Opis proizvoda
1.Convenient to adjust
2.Wide range of ratio
3.Easy to install
4.high torque
Application Industries:
Our SWL series screw jacks are widely used in the industries such as metallurgy,mining,hoisting and transportation, electrical
power,energy source,constrction and building material,light industry and traffice industry
Screw Jacks in construction
Often found in climbing mechanism of construction,the screw jacks use physical means to raise and lower loads, which typically range from 5 tons to 30 tons. A screw jack is a common type of mechanical jack, which works via a motor and gearbox by an operator. A screw uses the shape of its threads to raise or lower the load, or a traveling nut does the lifting while the screw turns in place. Mechanical jacks are self-locking(not for ball screw), which means that when power is removed from the jack, the screw stays in place until power resumes. This setup makes mechanical jacks safer than their hydraulic counterparts, because users don’t have to fear a loss of power. The main components of screw jacks are; trapezoidal lifting screw also known as lead screw, worm screw, worm gear and gear housing. A worm screw is rotated manually or by a motor. With the rotation of the worm gear, the lead screw in it moves upwards or downwards linearly. The feed rate of the screw depends on the turning speed, the number of teeth of the gears and the size of the screw pitch. In some models of jackscrews, The lifting screw does not move up and down. It only rotates around its axis. A lifting nut (also known as a travelling nut) moves along the lead screw. The lifting nut of the screw jack is made of bronze to decrease friction.
Parametri proizvoda
| MODEL |
| SWL2.5 | SWL5 | SWL10 | SWL15 | SWL20 | SWL25 | SWL35 |
| Maximum lifting force (kN) |
| 25 | 50 | 100 | 150 | 200 | 250 | 350 |
| Screw thread size |
| Tr30*6 | Tr40*7 | Tr58*12 | Tr58*12 | Tr65*12 | Tr90*16 | Tr100*20 |
| Maximum tension (kN) |
| 25 | 50 | 99 | 166 | 250 | 350 | |
| Worm gear ratio (mm) | P | 1/6 | 1/8 | 3/23 | 1/8 | 3/32 | 3/32 | |
|
| M | 1/24 | 1/24 | 1/24 | 1/24 | 1/32 | 1/32 | |
| Worm non rotating stroke (mm) | P | 1.0 | 0.875 | 1.565 | 1.56 | 1.5 | 1.875 | |
| M | 0.250 | 0.292 | 0.5 | 0.5 | 0.5 | 0.625 | ||
| Maximum elongation of screw rod under tensile load (mm) |
| 1500 | 2000 | 2500 | 3000 | 3500 | 4000 | |
| Maximum lifting height at maximum pressure load (mm) | The head of the screw rod is not guided | 250 | 385 | 500 | 400 | 490 | 850 | 820 |
| Lead screw head guide | 400 | 770 | 1000 | 800 | 980 | 1700 | 1640 | |
| Worm torque at full load(N.m) | P | 18 | 39.5 | 119 | 179 | 240 | 366 | 464 |
| M | 8.86 | 19.8 | 60 | 90 | 122 | 217 | 253 | |
| efficiency(%) | P | 22 | 23 | 20.5 |
| 19.5 | 16 | 18 |
| M | 11 | 11.5 | 13 |
| 12.8 | 9 | 11 | |
| Weight without stroke(kg) |
| 7.3 | 16.2 | 25 |
| 36 | 70.5 | 87 |
| Weight of screw rod per 100mm(kg) |
| 0.45 | 0.82 | 1.67 |
| 2.15 | 4.15 | 5.20 |
Detaljne fotografije
SWL Series worm screw Jack:
1.The elevator is a combination of turbine pair and trapezoid screw rod to complete the lifting and lowering of objects. 2.Compact structure, light weight, safety and reliability, long service life, convenient installation
3.Self-locking function in the static state.
| 1. screw rod | 2. nut bolt | 3. cover | 4.Skeleton oil seal | 5.Bearing |
| 6.Worm gear | 7.Oil filling hole | 8.Case | 9.Skeleton oil seal | 10.Cover |
| 11. nut bolt | 12.Bearing | 13.Skeleton oil seal | 14.Bearing | 15.worm |
| 16.Flat key | 17.Bearing | 18.Skeleton oil seal | 19.Cover | 20.Nut bolt |
Opis proizvoda
Related Products
Pakovanje i dostava
Profil kompanije
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| Standard or Nonstandard: | Nonstandard |
|---|---|
| Primjena: | Textile Machinery, Garment Machinery, Conveyer Equipment, Electric Cars, Motorcycle, Food Machinery, Marine, Mining Equipment, Agricultural Machinery, Car, Power Transmission |
| Customized Support: | OEM, ODM, Obm |
| Brand Name: | Beiji or Customized |
| Certificate: | ISO9001:2008 |
| Structures: | Worm Gear and Worm |
| Uzorci: | US$ 50/Piece 1 komad (minimalna narudžba) | |
|---|
Can you explain the role of a worm wheel in conjunction with a worm gear?
In mechanical systems, a worm wheel and a worm gear work together to achieve the transmission of motion and power between two perpendicular shafts. The worm gear is a screw-like gear, while the worm wheel is a circular gear with teeth cut in a helical pattern. Here’s a detailed explanation of the role of a worm wheel in conjunction with a worm gear:
The primary function of a worm wheel and worm gear combination is to provide a compact and efficient means of transmitting rotational motion and power at a right angle. The interaction between the worm gear and the worm allows for high gear reduction ratios, making it suitable for applications that require large speed reductions and high torque output.
The worm gear, or worm, is a threaded shaft resembling a screw. It is the driving component of the system and is typically turned by a motor or other power source. The threads on the worm engage with the teeth of the worm wheel, causing the wheel to rotate.
The helical shape of the worm gear teeth and the orientation of the threads on the worm are designed to ensure smooth and efficient power transmission. As the worm rotates, the sliding action between the threads of the worm and the helical teeth of the worm wheel enables the transfer of motion.
The gear ratio between the worm and worm wheel determines the speed reduction and torque multiplication achieved. The number of teeth on the worm wheel compared to the number of threads on the worm determines the gear ratio. For example, a worm wheel with 40 teeth and a worm with one thread would result in a gear ratio of 40:1, meaning the output shaft of the worm wheel rotates once for every 40 rotations of the worm.
The key role of the worm wheel is to receive the rotational motion from the worm and transmit it to the output shaft. It converts the rotary motion of the worm into rotary motion in a different direction, typically at a right angle.
The worm wheel also provides mechanical advantage by multiplying the torque output. Due to the helical shape of the teeth, the sliding action between the worm and the worm wheel allows for a larger contact area and load distribution, resulting in increased torque output at the output shaft.
The combination of the worm gear and worm wheel offers several advantages in mechanical systems:
- High Gear Reduction: The worm gear and worm wheel enable significant speed reduction while increasing torque output, making them suitable for applications requiring high torque and low speed.
- Self-Locking: The friction between the worm gear and the worm prevents backdriving, allowing the worm wheel to maintain its position even when the driving force is removed.
- Kompaktni dizajn: The perpendicular arrangement of the worm gear and worm wheel allows for a compact and space-saving design, making it advantageous in applications with limited space.
- Quiet Operation: The sliding action between the worm gear and worm wheel helps distribute the load over multiple teeth, resulting in smoother and quieter operation.
- Directional Control: The worm gear and worm wheel combination can provide unidirectional motion, preventing motion from the output side back to the input side due to their self-locking property.
Worm gear and worm wheel systems are commonly used in various applications, including automotive, industrial machinery, elevators, conveyor systems, and robotics. Their unique characteristics make them suitable for tasks that require precise control, high torque, and compact design.
It is important to note that proper lubrication, maintenance, and design considerations are crucial for ensuring the reliable and efficient operation of worm gear and worm wheel systems. Regular inspections and adherence to manufacturer guidelines are essential for maximizing the lifespan and performance of these components.
What is a worm wheel, and how does it function in mechanical systems?
A worm wheel, also known as a worm gear or worm gear wheel, is an important component in mechanical systems that helps transmit motion and power between two perpendicular shafts. It consists of a circular gear called the worm wheel or worm gear, and a screw-like gear called the worm or worm screw. Here’s a detailed explanation of what a worm wheel is and how it functions in mechanical systems:
A worm wheel is a gear with teeth that are cut in a helical pattern around its circumference. It meshes with the worm, which has a threaded shaft resembling a screw. The worm gear and the worm are designed in such a way that their threads have a specific shape and orientation to ensure smooth and efficient power transmission.
The primary function of a worm wheel in mechanical systems is to provide a compact and efficient means of transmitting rotational motion and power between shafts that are oriented at right angles to each other. The interaction between the worm gear and the worm allows for high gear reduction ratios, making it suitable for applications that require large speed reductions and high torque output.
When the worm rotates, its threaded shaft engages with the teeth of the worm wheel, causing the wheel to rotate. The helical shape of the worm gear teeth allows for a sliding action between the worm and the worm wheel, resulting in a smooth and continuous transfer of motion. The gear ratio between the worm and worm wheel determines the speed reduction and torque multiplication achieved.
The unique design of the worm wheel provides several advantages in mechanical systems:
- High Gear Reduction: The helical threads of the worm wheel enable a significant reduction in rotational speed while increasing torque output. This makes it suitable for applications where a large reduction in speed is required, such as in machinery with heavy loads or precise positioning requirements.
- Self-Locking: The frictional force between the worm gear and the worm prevents backdriving, which means the worm wheel can hold its position even when the driving force is removed. This self-locking feature is beneficial for applications where it is necessary to prevent the transmission of motion from the output side back to the input side.
- Kompaktni dizajn: The perpendicular arrangement of the worm and worm wheel allows for a compact and space-saving design. This is advantageous in applications where space constraints are a concern, such as in automotive, robotics, or machinery with limited available space.
- Quiet Operation: The sliding action between the worm and the worm wheel helps distribute the load over multiple teeth, reducing noise and vibration. This makes worm wheel mechanisms suitable for applications that require smooth and quiet operation, such as in precision equipment or gearboxes.
- Efficiency: Worm wheel systems can achieve high efficiency when properly designed and lubricated. However, they typically have lower efficiency compared to other types of gear systems due to the sliding motion and increased friction between the components.
Worm wheels are commonly used in various mechanical systems, including automotive transmissions, industrial machinery, elevators, printing presses, and steering systems. Their unique characteristics make them well-suited for applications that require precise control, high torque, and compact design.
It is important to note that proper lubrication, maintenance, and design considerations are crucial for ensuring the reliable and efficient operation of worm wheel systems. Regular inspections and adherence to manufacturer guidelines are essential for maximizing the lifespan and performance of worm wheel components.
Mogu li se pužni kotači prilagoditi za specifične industrije ili konfiguracije mašina?
Yes, worm wheels can be customized to meet the specific requirements of different industries or machinery configurations. Here’s a detailed explanation of the customization options available for worm wheels:
- Profil zuba: Profil zuba pužnog kotača može se prilagoditi kako bi odgovarao odgovarajućem pužnom zupčaniku i optimizirao performanse zupčaničkog sistema. Različiti profili zuba, kao što su evolventni, cikloidni ili modificirani profili, mogu se dizajnirati i proizvesti na osnovu specifičnih zahtjeva primjene. Prilagođavanje profila zuba osigurava pravilno spajanje, smanjuje habanje i poboljšava ukupnu efikasnost i performanse zupčaničkog sistema.
- Izbor materijala: Pužni kotači se mogu prilagoditi odabirom odgovarajućeg materijala na osnovu zahtjeva industrije ili primjene. Različiti materijali, poput čelika, bronze, mesinga ili specijaliziranih legura, nude različita svojstva kao što su čvrstoća, otpornost na habanje, otpornost na koroziju i karakteristike samopodmazivanja. Prilagođavanje odabira materijala osigurava da pužni kotač može izdržati specifične radne uvjete i pružiti optimalne performanse i dugovječnost.
- Veličina i dimenzije: Pužni kotači se mogu prilagoditi u pogledu veličine i dimenzija kako bi odgovarali specifičnoj konfiguraciji mašine ili ograničenjima prostora. Prilagođavanje omogućava podešavanje parametara kao što su vanjski promjer, promjer koraka, širina čeone površine i promjer otvora kako bi se osigurala pravilna integracija i poravnanje unutar sistema. Prilagođeno dimenzioniranje osigurava efikasan prijenos snage, minimizira zahtjeve za prostorom i omogućava kompatibilnost s drugim komponentama.
- Broj niti: Broj navoja na pužnom kotaču može se prilagoditi kako bi se prilagodio prijenosni omjer i kapacitet obrtnog momenta specifičnim zahtjevima primjene. Povećanje ili smanjenje broja navoja utječe na prijenosni omjer, izlazni obrtni moment i kontaktnu površinu. Prilagođavanje broja navoja omogućava precizno usklađivanje sa željenim potrebama smanjenja brzine i prijenosa obrtnog momenta mašine.
- Specijalizovani premazi ili tretmani: U zavisnosti od industrije ili primjene, pužni kotači mogu biti podvrgnuti specijalnim premazima ili tretmanima kako bi se poboljšale njihove performanse. Na primjer, premazi poput teflona ili molibden disulfida mogu smanjiti trenje i poboljšati svojstva podmazivanja. Termička obrada ili površinsko kaljenje mogu povećati otpornost na habanje i trajnost. Prilagođeni premazi ili tretmani mogu se primijeniti kako bi se zadovoljili specifični zahtjevi, kao što su rad velikom brzinom, ekstremne temperature ili korozivna okruženja.
- Kontrola buke i vibracija: U određenim industrijama ili primjenama gdje je kontrola buke i vibracija ključna, pužni kotači se mogu prilagoditi kako bi uključili karakteristike koje smanjuju nivo buke i vibracija. Modifikacije dizajna, kao što su optimizacija profila zuba, poboljšanje proizvodnih tolerancija ili ugradnja elemenata za prigušivanje, mogu pomoći u smanjenju stvaranja buke i vibracija. Prilagođavanje za kontrolu buke i vibracija posebno je važno u industrijama poput automobilske, vazduhoplovne i precizne mašinske industrije.
Nudeći opcije prilagođavanja, pužni kotači se mogu prilagoditi jedinstvenim potrebama različitih industrija ili konfiguracija mašina. Ova fleksibilnost omogućava inženjerima i dizajnerima da optimizuju performanse, efikasnost, izdržljivost i pouzdanost sistema zupčanika, osiguravajući glatko i precizno kretanje u specifičnim primjenama.
editor by CX 2024-02-22