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

Abstract

The invention 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 invention relates to a safe and energy-saving speed reduction mechanism assembly suitable for villa ladder configuration, belonging to the technical field of speed reducers. Background Art

[0002] The elevator traction machine is the power equipment of the elevator, which is used to transport and transmit power to make the elevator run, while the reducer is an important component of the traction machine, which is mainly used to reduce the speed of the traction wheel and increase the torque.

[0003] A Chinese patent application with publication number CN118323994A discloses a traction machine structure with dual traction wheels, the technical highlights of which are: comprising a motor, a gearbox, a driving gear, a driven gear, a drive shaft and two traction wheels; the gearbox is connected and fixed to the motor, the gearbox is an internal hollow structure, the driving gear and the driven gear are both arranged in the hollow structure, and the driving gear and the driven gear are both bevel gears; the rotating shaft of the motor extends into the gearbox.

[0004] The above technical solution achieves a sound insulation effect by installing the driving gear and the driven gear in the gear box so that most of the noise generated during operation is blocked by the gear box. However, the problem with the above technical solution is that only the driving gear and the driven gear transmit the power of the motor to make the traction wheel run, and the overall operating stability is poor. Once the driving gear or the driven gear fails, a safety accident is likely to occur. Moreover, placing the two gears in the gear box as a whole makes it inconvenient for later maintenance. Therefore, a new solution is needed to solve this problem. Summary of the invention

[0005] In view of the above-mentioned technical problems, the purpose of the present invention is to propose a safe and energy-saving speed reduction mechanism assembly suitable for villa elevator configuration.

[0006] The technical solution of the present invention is achieved as follows: a safe and energy-saving reduction mechanism assembly suitable for villa ladder configuration, comprising a gear box, an input shaft, a transmission shaft, an output shaft, a first pinion, a first large gear, a second pinion 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 connected and fixed, and a cavity is formed between the upper box body and the lower box body;

[0008] The input shaft, transmission shaft and output shaft are all rotatably arranged on the gear box, and the input shaft, transmission shaft and output shaft are all located between the upper box body and the lower box body, and 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 the drive motor, and the other end is used to cooperate with the brake, and both ends of the output shaft are used to cooperate with the traction wheel;

[0009] The first pinion, the first large gear, the second pinion and the second large gear are all arranged in a cavity between the upper case and the lower case, the first pinion is mounted and fixed on the input shaft, the first large gear and the second pinion are both mounted and fixed on the transmission shaft, the second large gear is mounted and fixed on the output shaft, the first pinion is meshed with the first large gear, and the second pinion is meshed with the second large gear.

[0010] Preferably, the first small gear, the first large gear, the second small gear and the second large gear are all helical gears, and the first small gear is staggered with the second small gear, and the first large gear is staggered with the second large gear.

[0011] Preferably, the first mounting part, the second mounting part and the third mounting part are integrally formed on both sides of the gear box, and the first mounting part, the second mounting part and the third mounting part are respectively arranged on the upper box body and the lower box body, and are symmetrically arranged; the first mounting parts on both sides of the gear box are provided with first bearings, and both ends of the input shaft are rotatably matched with the gear box through the first bearings; the second mounting parts on both sides of the gear box are provided with second bearings, and both ends of the transmission shaft are rotatably matched with the gear box through the second bearings; the third mounting parts on both sides of the gear box are provided with third bearings, and both ends of the output shaft are rotatably matched with the gear box through the third bearings.

[0012] Preferably, input cover plates are provided on the first mounting parts on both sides of the gear box, and the two ends of the input shaft pass through the input cover plates on both sides of the gear box respectively; transmission cover plates are provided on the second mounting parts on both sides of the gear box, and the transmission shaft is located between the transmission cover plates on both sides of the gear box, and the two ends of the transmission shaft do not abut against the transmission cover plates on both sides of the wheel box; output cover plates are provided on the third mounting parts on both sides of the gear box, and the two ends of the output shaft pass through the output cover plates on both sides of the gear box respectively.

[0013] Preferably, the first mounting portion, the second mounting portion and the third mounting portion are provided with a plurality of protrusion structures on both upper and lower sides, and the plurality of protrusion structures are integrally formed on the gear boxes on both upper and lower sides of the first mounting portion, the second mounting portion and the third mounting portion.

[0014] Preferably, support foot structures are provided at the four bottom corners of the gear box.

[0015] Preferably, each of the supporting leg structures is provided with reinforcing ribs, the reinforcing ribs close to the first mounting portion are connected and fixed to the first mounting portion, and the reinforcing ribs close to the third mounting portion are connected and fixed to the third mounting portion.

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

[0017] 1. The present invention changes the transmission structure in the existing gear box and adopts a structure in which two large gears and two small gears transmit power to each other, thereby ensuring a constant transmission ratio, making the transmission structure in the gear box more stable, accurate and reliable. At the same time, the overall structure is compact, realizing efficient power transmission.

[0018] 2. The gearbox of the present invention is in a closed state during normal use, which can block the noise generated inside the gearbox to achieve the purpose of noise reduction, meeting the requirements of energy-saving equipment; by dividing the gearbox into an upper box body and a lower box body, when an internal part fails, the upper box body can be opened for repair without affecting other parts, which greatly improves the convenience and efficiency of repair and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without paying any creative work.

[0020] Attached Figure 1 It is a structural schematic diagram of a safe and energy-saving speed reduction mechanism assembly suitable for villa ladder configuration according to the present invention;

[0021] Attached Figure 2 This is a structural schematic diagram of a safe and energy-saving speed reduction mechanism assembly suitable for villa ladder configuration according to the present invention without an upper box body;

[0022] Attached Figure 3 It is a structural schematic diagram of a lower box of a safe and energy-saving speed reduction mechanism assembly suitable for villa ladder configuration according to the present invention;

[0023] Attached Figure 4 It is a structural schematic diagram of an embodiment of the present invention.

[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, raised structure; 20, support foot structure; 21, reinforcing rib; 30, drive motor; 40, brake; 50, traction wheel. DETAILED DESCRIPTION

[0025] In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0026] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "straight", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] As attached Figure 1-3 As shown, the safe and energy-saving reduction mechanism assembly suitable for villa ladder configuration described in the present invention includes a gear box 1, an input shaft 2, a transmission shaft 3, an output shaft 4, a first pinion 5, a first large gear 6, a second pinion 7 and a second large gear 8.

[0029] The gearbox 1 consists of an upper case body 1a and a lower case body 1b, which are fixed by a plurality of bolts, and a cavity 9 is formed between the upper case body 1a and the lower case 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 case body 1a and the lower case body 1b, and the input shaft 2 and the output shaft 4 are respectively located on both sides of the transmission shaft 3.

[0030] Specifically, the first mounting portion 10, the second mounting portion 11 and the third mounting portion 12 are integrally formed on both sides of the gear box 1. The first mounting portion 10, the second mounting portion 11 and the third mounting portion 12 are respectively arranged on the upper case 1a and the lower case 1b, and are symmetrically arranged; the first mounting portions 10 on both sides of the gear box 1 are provided with first bearings 13, and both ends of the input shaft 2 are rotatably matched with the gear box 1 through the first bearings 13; the second mounting portions 11 on both sides of the gear box 1 are provided with second bearings 14, and both ends of the transmission shaft 3 Both are rotatably matched with the gearbox 1 through the second bearing 14; third bearings 15 are provided on the third mounting parts 12 on both sides of the gearbox 1, and both ends of the output shaft 4 are rotatably matched 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 match the drive motor 30, and the other end is used to match the brake 40, and both ends of the output shaft 4 are used to match the traction wheel 50, wherein the drive motor 30 is used to drive the input shaft 2 to rotate, and the brake 40 is used to provide braking force.

[0031] An input cover plate 16 is provided on the first mounting parts 10 on both sides of the gear box 1, and the two ends of the input shaft 2 pass through the input cover plates 16 on both sides of the gear box 1 respectively; a transmission cover plate 17 is provided on the second mounting parts 11 on both sides of the gear box 1, and the transmission shaft 3 is located between the transmission cover plates 17 on both sides of the gear box 1, and the two ends of the transmission shaft 3 do not abut against the transmission cover plates 17 on both sides of the wheel box; an output cover plate 18 is provided on the third mounting parts 12 on both sides of the gear box 1, and the two ends of the output shaft 4 pass through the output cover plates 18 on both sides of the gear box 1 respectively.

[0032] 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 part 10, the second mounting part 11 and the third mounting part 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 part 10, the second mounting part 11 and the third mounting part 12 located on the lower box body 1b, and are all fixed by bolts; by arranging 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 force for the two ends of the input shaft 2, the transmission shaft 3 and the output shaft 4, so that the overall structure is more stable and safe.

[0033] The first pinion 5, the first large gear 6, the second pinion 7 and the second large gear 8 are all arranged in the cavity 9 between the upper case 1a and the lower case 1b, the first pinion 5 is mounted and fixed on the input shaft 2, the first large gear 6 and the second pinion 7 are both mounted and fixed on the transmission shaft 3, the second large gear 8 is mounted and fixed on the output shaft 4, the first pinion 5 and the first large gear 6 are meshed with each other, and the second pinion 7 and the second large gear 8 are meshed with each other. In this embodiment, the first pinion 5, the first large gear 6, the second pinion 7 and the second large gear 8 are all helical gears, and the first pinion 5 and the second pinion 7 are staggered, and the first large gear 6 and the second large gear 8 are staggered.

[0034] During operation, the input shaft 2 rotates driven by the driving motor 30. When the input shaft 2 rotates, it drives the first pinion 5 to rotate, and the first pinion 5 drives the first large gear 6 to rotate. Since the rotation of the first large gear 6 is coaxial with the second pinion 7, the second pinion 7 rotates, thereby driving the second large gear 8 to rotate. The second large gear 8 is fixed on the output shaft 4, and then the second large gear 8 drives the output shaft 4 to rotate.

[0035] 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, thereby 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, realizing efficient power transmission.

[0036] The gearbox 1 is in a closed state during normal use, which can block the noise generated inside the gearbox 1 to achieve the purpose of noise reduction; by dividing the gearbox 1 into an upper box body 1a and a lower box body 1b, when an internal part fails, the upper box body 1a can be opened for repair without affecting other parts, thereby greatly improving the convenience and efficiency of repair and maintenance.

[0037] As an optional embodiment, multiple protrusion structures 19 are provided on the upper and lower sides of the first mounting part 10, the second mounting part 11 and the third mounting part 12, and the multiple protrusion structures 19 are integrally formed on the gear box 1 on the upper and lower sides of the first mounting part 10, the second mounting part 11 and the third mounting part 12, so that the exterior of the first mounting part 10, the second mounting part 11 and the third mounting part 12 is more stable.

[0038] Support foot structures 20 are provided at the four corners of the bottom of the gear box 1. In the present embodiment, the support foot structures 20 are integrally formed at the four corners of the lower housing 1b for easy placement. Of course, the same support foot structure 20 can also be provided on the upper housing 1a. Reinforcing ribs 21 are provided on each support foot structure 20. The reinforcing ribs 21 on the side close to the first mounting portion 10 are connected and fixed to the first mounting portion 10, and the reinforcing ribs 21 on the side close to the third mounting portion 12 are connected and fixed to the third mounting portion 12, thereby further improving the structural strength of the first mounting portion 10 and the third mounting portion 12 and making the overall structure more stable.

[0039] As attached Figure 4 As shown, the present application provides an embodiment of the safe and energy-saving reduction mechanism assembly suitable for villa ladder configuration, wherein a drive motor 30 and a brake 40 are respectively installed at both ends of the input shaft 2, the drive motor 30 drives the input shaft 2, and the brake 40 is used for braking. A traction wheel 50 is respectively arranged at both ends of the output shaft 4, and the driving force of the drive motor 30 is transmitted to the two traction wheels 50 in sequence 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 to ensure the stable, efficient and safe operation of the two traction wheels 50.

[0040] The above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with this technology to understand the content of the present invention and implement it. They cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. A safe and energy-saving speed reduction mechanism assembly suitable for villa elevator configuration, characterized by: It comprises a gearbox (1), an input shaft (2), a transmission shaft (3), an output shaft (4), a first pinion (5), a first large gear (6), a second pinion (7) and a second large gear (8); The gear box (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 gear box (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), and 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 gear box (1), one end of the input shaft (2) is used to cooperate with the drive motor (30), and the other end is used to cooperate with the brake (40), and both ends of the output shaft (4) are used to cooperate with the traction wheel (50); The first small gear (5), the first large gear (6), the second small gear (7) and the second large gear (8) are all arranged in a cavity (9) between the upper housing (1a) and the lower housing (1b); the first small gear (5) is fixedly mounted on the input shaft (2); the first large gear (6) and the second small gear (7) are fixedly mounted on the transmission shaft (3); the second large gear (8) is fixedly mounted on the output shaft (4); the first small gear (5) and the first large gear (6) are meshed with each other; and the second small gear (7) and the second large gear (8) are meshed with each other.

2. According to claim 1, a safe and energy-saving speed reduction mechanism assembly suitable for villa elevator configuration is characterized in that: The first small gear (5), the first large gear (6), the second small gear (7) and the second large gear (8) are all helical gears, and the first small gear (5) and the second small gear (7) are staggered, and the first large gear (6) and the second large gear (8) are staggered.

3. The safe and energy-saving speed reduction mechanism assembly suitable for villa elevator configuration according to claim 1 is characterized in that: The gearbox (1) has a first mounting portion (10), a second mounting portion (11) and a third mounting portion (12) integrally formed on both sides thereof. The first mounting portion (10), the second mounting portion (11) and the third mounting portion (12) are respectively arranged on the upper housing (1a) and the lower housing (1b) and are arranged symmetrically. The first mounting portions (10) on both sides thereof are provided with a first bearing (13), and both ends of the input shaft (2) are rotatably engaged with the gearbox (1) through the first bearing (13). The second mounting portions (11) on both sides thereof are provided with a second bearing (14), and both ends of the transmission shaft (3) are rotatably engaged with the gearbox (1) through the second bearing (14). The third mounting portions (12) on both sides thereof are provided with a third bearing (15), and both ends of the output shaft (4) are rotatably engaged with the gearbox (1) through the third bearing (15).

4. A safe and energy-saving speed reduction mechanism assembly suitable for villa elevators according to claim 3, characterized in that: An input cover plate (16) is provided on the first mounting parts (10) on both sides of the gear box (1), and the two ends of the input shaft (2) pass through the input cover plates (16) on both sides of the gear box (1); a transmission cover plate (17) is provided on the second mounting parts (11) on both sides of the gear box (1), and the transmission shaft (3) is located between the transmission cover plates (17) on both sides of the gear box (1), and the two ends of the transmission shaft (3) do not abut against the transmission cover plates (17) on both sides of the gear box; an output cover plate (18) is provided on the third mounting parts (12) on both sides of the gear box (1), and the two ends of the output shaft (4) pass through the output cover plates (18) on both sides of the gear box (1).

5. The safe and energy-saving speed reduction mechanism assembly suitable for villa elevators according to claim 4 is characterized in that: A plurality of protrusion structures (19) are provided on 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 protrusion structures (19) are integrally formed on the gear box (1) on the upper and lower sides of the first mounting portion (10), the second mounting portion (11) and the third mounting portion (12).

6. A safe and energy-saving speed reduction mechanism assembly suitable for villa elevators according to claim 5, characterized in that: Support foot structures (20) are provided at four corners of the bottom of the gear box (1).

7. A safe and energy-saving speed reduction mechanism assembly suitable for villa elevators according to claim 6, characterized in that: Each of the supporting foot structures (20) is provided with a reinforcing rib (21); the reinforcing rib (21) on the side close to the first mounting portion (10) is connected and fixed to the first mounting portion (10), and the reinforcing rib (21) on the side close to the third mounting portion (12) is connected and fixed to the third mounting portion (12).

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