Safe and energy-saving type speed reducing mechanism assembly suitable for villa elevator configuration

Abstract

The utility model discloses a safe and energy-saving speed reducing mechanism assembly suitable for villa elevator configuration, which relates to the technical field of speed reducers and comprises a gear box, an input shaft, a transmission shaft, an output shaft, a first pinion, a first bull gear, a second pinion and a second bull gear. The gear box is composed of an upper box body and a lower box body, the upper box body and the lower box body are fixedly connected, and a cavity is formed between the upper box body and the lower box body; the input shaft, the transmission shaft and the output shaft are rotationally arranged on the gearbox and located between the upper box body and the lower box body, and the input shaft and the output shaft are located on the two sides of the transmission shaft respectively; according to the scheme, a transmission structure in an existing gearbox is changed, the structure that two large gears and two small gears transmit power mutually is adopted, the constant transmission ratio is guaranteed, the transmission structure in the gearbox can be more stable, accurate and reliable, meanwhile, the overall structure is compact, and efficient transmission of power is achieved.

Description

Technical Field

[0001] The utility model relates to a safe and energy-saving speed reduction mechanism assembly suitable for villa elevator configuration, belonging to the technical field of speed reducers. Background Art

[0002] An elevator traction machine is the power equipment of an elevator, used to transmit and transfer power to make the elevator operate, and the speed reducer is an important part of the traction machine, which is mainly used to reduce the rotation speed of the traction wheel and increase the torque.

[0003] Chinese patent application with publication number CN118323994A discloses a traction machine structure with a double traction wheel, and its technical key points are: including a motor, a gear box, a driving gear, a driven gear, a driving shaft and two traction wheels; the gear box is fixedly connected to the motor, the gear box is a hollow structure inside, the driving gear and the driven gear are both arranged in the hollow structure, and both the driving gear and the driven gear are bevel gears; the rotating shaft of the motor extends into the gear box.

[0004] The above technical solution shields most of the noise generated during operation by installing the driving gear and the driven gear in the gear box to achieve a sound insulation effect. However, the problem with the above technical solution is that only the driving gear and the driven gear are used to transmit the power of the motor to make the traction wheel operate, and the overall operation stability is poor. Once the driving gear or the driven gear fails, safety accidents are likely to occur, and it is inconvenient to maintain and repair the two gears integrated in the gear box. Therefore, a new solution is needed to solve this problem. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a safe and energy-saving speed reduction mechanism assembly suitable for villa elevator configuration to overcome the deficiencies of the prior art.

[0006] To achieve the above purpose, the technical solution adopted by the utility model is: a safe and energy-saving speed reduction mechanism assembly suitable for villa elevator configuration, including a gear box, an input shaft, a transmission shaft, an output shaft, a first small gear, a first large gear, a second small gear and a second large gear;

[0007] The gear box is composed of an upper box body and a lower box body, the upper box body and the lower box body are fixedly connected, and a cavity is formed between the upper box body and the lower box body;

[0008] The input shaft, the transmission shaft and the output shaft are all rotatably arranged on the gear box, and the input shaft, the transmission shaft and the output shaft are all located between the upper box body and the lower box body. The input shaft and the output shaft are respectively located on both sides of the transmission shaft; both ends of the input shaft and the output shaft extend out of the gear box. One end of the input shaft is used to cooperate with a driving motor, and the other end is used to cooperate with a brake. Both ends of the output shaft are used to cooperate with a traction wheel;

[0009] The first pinion gear, the first large gear, the second pinion gear and the second large gear are all arranged in the cavity between the upper box body and the lower box body. The first pinion gear is fixedly installed on the input shaft. The first large gear and the second pinion gear are both fixedly installed on the transmission shaft. The second large gear is fixedly installed on the output shaft. The first pinion gear meshes with the first large gear, and the second pinion gear meshes with the second large gear.

[0010] Preferably, the first pinion gear, the first large gear, the second pinion gear and the second large gear are all helical gears, and the first pinion gear and the second pinion gear are arranged in a staggered manner, and the first large gear and the second large gear are arranged in a staggered manner.

[0011] Preferably, first mounting parts, second mounting parts and third mounting parts are integrally formed on both sides of the gearbox. The first mounting parts, the second mounting parts and the third mounting parts are evenly arranged on the upper box body and the lower box body and are symmetrically arranged. First bearings are arranged on the first mounting parts on both sides of the gearbox. Both ends of the input shaft are rotationally matched with the gearbox through the first bearings. Second bearings are arranged on the second mounting parts on both sides of the gearbox. Both ends of the transmission shaft are rotationally matched with the gearbox through the second bearings. Third bearings are arranged on the third mounting parts on both sides of the gearbox. Both ends of the output shaft are rotationally matched with the gearbox through the third bearings.

[0012] Preferably, input covers are arranged on the first mounting parts on both sides of the gearbox. Both ends of the input shaft respectively pass through the input covers on both sides of the gearbox. Transmission covers are arranged on the second mounting parts on both sides of the gearbox. The transmission shaft is located between the transmission covers on both sides of the gearbox, and both ends of the transmission shaft do not abut against the transmission covers on both sides of the gearbox. Output covers are arranged on the third mounting parts on both sides of the gearbox. Both ends of the output shaft respectively pass through the output covers on both sides of the gearbox.

[0013] Preferably, a plurality of convex structures are arranged on the upper and lower sides of the first mounting part, the second mounting part and the third mounting part. The plurality of convex structures are integrally formed on the gearbox on the upper and lower sides of the first mounting part, the second mounting part and the third mounting part.

[0014] Preferably, support foot structures are arranged at the four corners of the bottom of the gearbox.

[0015] Preferably, each support foot structure is provided with a reinforcing rib. The reinforcing rib close to the first mounting part is fixedly connected to the first mounting part, and the reinforcing rib close to the third mounting part is fixedly connected to the third mounting part.

[0016] Due to the application of the above technical solution, the utility model has the following advantages compared with the prior art:

[0017] 1. The present utility model changes the existing transmission structure inside the gearbox, adopts a structure where two large gears and two small gears transfer power to each other, ensures a constant transmission ratio, enables the transmission structure inside the gearbox to be more stable, accurate, and reliable. At the same time, the overall structure is compact, achieving efficient power transmission.

[0018] 2. The gearbox of the present utility model is in a closed state during normal use, can block the noise generated inside the gearbox to achieve the purpose of noise reduction, and meets the requirements of energy-saving equipment; by dividing the gearbox into an upper box body and a lower box body, when internal parts fail, opening the upper box body can perform maintenance, and it will not affect other parts, greatly improving the convenience and efficiency of maintenance. Description of the Drawings

[0019] The technical solution of the present utility model will be further described below in conjunction with the drawings:

[0020] Att Figure 1 is a structural schematic diagram of a safe and energy-saving speed reduction mechanism assembly applicable to villa elevator configuration according to the present utility model;

[0021] Att Figure 2 is a structural schematic diagram of a safe and energy-saving speed reduction mechanism assembly applicable to villa elevator configuration according to the present utility model after removing the upper box body;

[0022] Att Figure 3 is a structural schematic diagram of the lower box body of a safe and energy-saving speed reduction mechanism assembly applicable to villa elevator configuration according to the present utility model;

[0023] Att Figure 4 is a structural schematic diagram of an embodiment of the present utility model.

[0024] In the figure: 1. Gearbox; 1a. Upper box body; 1b. Lower box body; 2. Input shaft; 3. Transmission shaft; 4. Output shaft; 5. First small gear; 6. First large gear; 7. Second small gear; 8. Second large gear; 9. Cavity; 10. First mounting part; 11. Second mounting part; 12. Third mounting part; 13. First bearing; 14. Second bearing; 15. Third bearing; 16. Input cover plate; 17. Transmission cover plate; 18. Output cover plate; 19. Protrusion structure; 20. Support foot structure; 21. Reinforcing rib; 30. Driving motor; 40. Brake; 50. Traction wheel. Detailed Embodiment

[0025] The present utility model will be further described in detail below in conjunction with the drawings and specific embodiments.

[0026] As shown in Att Figures 1 - 3As shown in the figure, a safety and energy-saving speed reduction mechanism assembly suitable for villa ladder configuration according to the present utility model includes a gearbox 1, an input shaft 2, a transmission shaft 3, an output shaft 4, a first small gear 5, a first large gear 6, a second small gear 7, and a second large gear 8.

[0027] The gearbox 1 is composed of an upper box body 1a and a lower box body 1b. The upper box body 1a and the lower box body 1b are fixedly connected by a plurality of bolts, and a cavity 9 is formed between the upper box body 1a and the lower box body 1b. The input shaft 2, the transmission shaft 3, and the output shaft 4 are all rotatably arranged on the gearbox 1, and the input shaft 2, the transmission shaft 3, and the output shaft 4 are all located between the upper box body 1a and the lower box body 1b. The input shaft 2 and the output shaft 4 are respectively located on both sides of the transmission shaft 3.

[0028] Specifically, first mounting portions 10, second mounting portions 11, and third mounting portions 12 are integrally formed on both sides of the gearbox 1. The first mounting portions 10, the second mounting portions 11, and the third mounting portions 12 are evenly arranged on the upper box body 1a and the lower box body 1b and are symmetrically arranged. First bearings 13 are provided on the first mounting portions 10 on both sides of the gearbox 1, and both ends of the input shaft 2 are rotatably fitted with the gearbox 1 through the first bearings 13. Second bearings 14 are provided on the second mounting portions 11 on both sides of the gearbox 1, and both ends of the transmission shaft 3 are rotatably fitted with the gearbox 1 through the second bearings 14. Third bearings 15 are provided on the third mounting portions 12 on both sides of the gearbox 1, and both ends of the output shaft 4 are rotatably fitted with the gearbox 1 through the third bearings 15. Both ends of the input shaft 2 and the output shaft 4 extend out of the gearbox 1. One end of the input shaft 2 is used to cooperate with a driving motor 30, and the other end is used to cooperate with a brake 40. Both ends of the output shaft 4 are used to cooperate with a traction wheel 50. Among them, the driving motor 30 is used to drive the input shaft 2 to rotate, and the brake 40 is used to provide braking force.

[0029] Input covers 16 are provided on the first mounting portions 10 on both sides of the gearbox 1, and both ends of the input shaft 2 respectively pass through the input covers 16 on both sides of the gearbox 1. Transmission covers 17 are provided on the second mounting portions 11 on both sides of the gearbox 1. The transmission shaft 3 is located between the transmission covers 17 on both sides of the gearbox 1, and both ends of the transmission shaft 3 do not abut against the transmission covers 17 on both sides of the wheel box. Output covers 18 are provided on the third mounting portions 12 on both sides of the gearbox 1, and both ends of the output shaft 4 respectively pass through the output covers 18 on both sides of the gearbox 1.

[0030] In this embodiment, the upper parts of the input cover plate 16, the transmission cover plate 17, and the output cover plate 18 are respectively fixed on the first mounting portion 10, the second mounting portion 11, and the third mounting portion 12 located on the upper box body 1a, and the lower parts of the input cover plate 16, the transmission cover plate 17, and the output cover plate 18 are respectively fixed on the first mounting portion 10, the second mounting portion 11, and the third mounting portion 12 located on the lower box body 1b, and all are fixed by bolts; by providing the input cover plate 16, the transmission cover plate 17, and the output cover plate 18, it is not only convenient to install the input shaft 2, the transmission shaft 3, and the output shaft 4, but also can provide support forces for both ends of the input shaft 2, the transmission shaft 3, and the output shaft 4, making the overall structure more stable and safe.

[0031] The first pinion gear 5, the first large gear 6, the second pinion gear 7, and the second large gear 8 are all arranged in the cavity 9 between the upper box body 1a and the lower box body 1b. The first pinion gear 5 is fixedly installed on the input shaft 2, the first large gear 6 and the second pinion gear 7 are both fixedly installed on the transmission shaft 3, the second large gear 8 is fixedly installed on the output shaft 4, the first pinion gear 5 meshes with the first large gear 6, and the second pinion gear 7 meshes with the second large gear 8. In this embodiment, the first pinion gear 5, the first large gear 6, the second pinion gear 7, and the second large gear 8 are all helical gears, and the first pinion gear 5 and the second pinion gear 7 are arranged in a staggered manner, and the first large gear 6 and the second large gear 8 are arranged in a staggered manner.

[0032] During operation, the input shaft 2 rotates driven by the drive motor 30. When the input shaft 2 rotates, it drives the first pinion gear 5 to rotate. The first pinion gear 5 drives the first large gear 6 to rotate. Since the first large gear 6 rotates coaxially with the second pinion gear 7, the second pinion gear 7 rotates, thereby driving the second large gear 8 to rotate. The second large gear 8 is fixed on the output shaft 4, and further the second large gear 8 drives the output shaft 4 to rotate.

[0033] Compared with the prior art, this solution changes the transmission structure in the gearbox 1 and adopts a structure in which two large gears and two small gears transmit power to each other, ensuring a constant transmission ratio, making the transmission structure in the gearbox 1 more stable, accurate, and reliable. At the same time, the overall structure is compact, achieving efficient power transmission.

[0034] When the gearbox 1 is in normal use, it is in a closed state, which can block the noise generated inside the gearbox 1 to achieve the purpose of noise reduction; by dividing the gearbox 1 into the upper box body 1a and the lower box body 1b, when a failure occurs in the internal parts, the upper box body 1a can be opened for maintenance, and it will not affect other parts, greatly improving the convenience and efficiency of maintenance.

[0035] As an alternative embodiment, a plurality of protruding structures 19 are provided on both the upper and lower sides of the first mounting portion 10, the second mounting portion 11 and the third mounting portion 12. The plurality of protruding structures 19 are integrally formed on the gearbox 1 on both the upper and lower sides of the first mounting portion 10, the second mounting portion 11 and the third mounting portion 12, making the outside of the first mounting portion 10, the second mounting portion 11 and the third mounting portion 12 more stable.

[0036] Support feet structures 20 are provided at the four corners of the bottom of the gearbox 1. In this embodiment, the support feet structures 20 are integrally formed at the four corners of the lower box body 1b for easy placement. Of course, the same support feet structures 20 can also be provided on the upper box body 1a; each support feet structure 20 is provided with a reinforcing rib 21. The reinforcing rib 21 on the side close to the first mounting portion 10 is fixedly connected to the first mounting portion 10, and the reinforcing rib 21 on the side close to the third mounting portion 12 is fixedly connected to the third mounting portion 12, further improving the structural strength of the first mounting portion 10 and the third mounting portion 12 and making the overall structure more stable.

[0037] As shown in the Figure 4 accompanying drawings, the present application provides an embodiment of the above-mentioned safety and energy-saving speed reduction mechanism assembly suitable for villa ladder configuration. A driving motor 30 and a brake 40 are respectively installed at both ends of the input shaft 2. The driving motor 30 drives the input shaft 2, and the brake 40 is used for braking. A traction wheel 50 is provided at each end of the output shaft 4. The driving force of the driving motor 30 is transmitted to the two traction wheels 50 through the input shaft 2, the first pinion 5, the first large gear 6, the transmission shaft 3, the second pinion 7, the second large gear 8, and the output shaft 4 in sequence to ensure the stable, efficient and safe operation of the two traction wheels 50.

[0038] The above are only specific application examples of the present utility model and do not constitute any limitation to the protection scope of the present utility model; all technical solutions formed by equivalent transformation or equivalent substitution fall within the scope of the protection of the rights of the present utility model.

Claims

1. A safety and energy-saving speed reduction mechanism assembly suitable for villa ladder configuration, characterized in that: It includes a gearbox (1), an input shaft (2), a transmission shaft (3), an output shaft (4), a first pinion gear (5), a first large gear (6), a second pinion gear (7) and a second large gear (8); The gearbox (1) is composed of an upper box body (1a) and a lower box body (1b). The upper box body (1a) and the lower box body (1b) are connected and fixed, and a cavity (9) is formed between the upper box body (1a) and the lower box body (1b); The input shaft (2), the transmission shaft (3) and the output shaft (4) are all rotatably arranged on the gearbox (1), and the input shaft (2), the transmission shaft (3) and the output shaft (4) are all located between the upper box body (1a) and the lower box body (1b). The input shaft (2) and the output shaft (4) are respectively located on both sides of the transmission shaft (3); both ends of the input shaft (2) and the output shaft (4) extend out of the gearbox (1). One end of the input shaft (2) is used to cooperate with a driving motor (30), and the other end is used to cooperate with a brake (40). Both ends of the output shaft (4) are used to cooperate with a traction wheel (50); The first pinion gear (5), the first large gear (6), the second pinion gear (7) and the second large gear (8) are all arranged in the cavity (9) between the upper box body (1a) and the lower box body (1b). The first pinion gear (5) is fixedly installed on the input shaft (2). The first large gear (6) and the second pinion gear (7) are both fixedly installed on the transmission shaft (3). The second large gear (8) is fixedly installed on the output shaft (4). The first pinion gear (5) meshes with the first large gear (6), and the second pinion gear (7) meshes with the second large gear (8).

2. The safety and energy-saving speed reduction mechanism assembly applicable to villa ladder configuration according to claim 1, wherein: The first pinion gear (5), the first large gear (6), the second pinion gear (7) and the second large gear (8) are all helical gears, and the first pinion gear (5) and the second pinion gear (7) are arranged in a staggered manner, and the first large gear (6) and the second large gear (8) are arranged in a staggered manner.

3. The safety and energy-saving speed reduction mechanism assembly applicable to villa ladder configuration according to claim 1, characterized in that: On both sides of the gearbox (1), a first mounting portion (10), a second mounting portion (11) and a third mounting portion (12) are integrally formed. The first mounting portion (10), the second mounting portion (11) and the third mounting portion (12) are evenly arranged on the upper box body (1a) and the lower box body (1b) and are symmetrically arranged; first bearings (13) are arranged on the first mounting portions (10) on both sides of the gearbox (1). Both ends of the input shaft (2) are rotatably matched with the gearbox (1) through the first bearings (13); second bearings (14) are arranged on the second mounting portions (11) on both sides of the gearbox (1). Both ends of the transmission shaft (3) are rotatably matched with the gearbox (1) through the second bearings (14); third bearings (15) are arranged on the third mounting portions (12) on both sides of the gearbox (1). Both ends of the output shaft (4) are rotatably matched with the gearbox (1) through the third bearings (15).

4. A safety and energy-saving speed reduction mechanism assembly applicable to villa ladder configuration according to claim 3, characterized in that: Input covers (16) are provided on the first mounting parts (10) on both sides of the gearbox (1), and both ends of the input shaft (2) pass through the input covers (16) on both sides of the gearbox (1); drive covers (17) are provided on the second mounting parts (11) on both sides of the gearbox (1), the drive shaft (3) is located between the drive covers (17) on both sides of the gearbox (1), and both ends of the drive shaft (3) do not abut against the drive covers (17) on both sides of the gearbox; output covers (18) are provided on the third mounting parts (12) on both sides of the gearbox (1), and both ends of the output shaft (4) pass through the output covers (18) on both sides of the gearbox (1).

5. A safety and energy-saving speed reduction mechanism assembly applicable to villa ladder configuration, characterized in that: A plurality of convex structures (19) are provided on both the upper and lower sides of the first mounting part (10), the second mounting part (11), and the third mounting part (12), and the plurality of convex structures (19) are integrally formed on the gearbox (1) on both the upper and lower sides of the first mounting part (10), the second mounting part (11), and the third mounting part (12).

6. The safety and energy-saving speed reduction mechanism assembly applicable to villa ladder configuration according to claim 5, characterized in that: Support foot structures (20) are provided at the four corners of the bottom of the gearbox (1).

7. An energy-saving and safe deceleration mechanism assembly applicable to villa ladder configurations, as claimed in claim 6, wherein: Reinforcing ribs (21) are provided on each of the support foot structures (20), and the reinforcing rib (21) on the side close to the first mounting part (10) is fixedly connected to the first mounting part (10), and the reinforcing rib (21) on the side close to the third mounting part (12) is fixedly connected to the third mounting part (12).

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