Elevator head transmission blocking structure

Abstract

The utility model relates to the technical field of elevator structures, and discloses an elevator head transmission blocking structure which comprises a high-power low-speed driving motor, an elastic pin coupling, a main transmission shaft, a main transmission shaft side supporting device, a box body side opening adjusting device, a main transmission wheel and a main transmission shaft other side supporting device. The elastic pin coupling comprises a nylon pin assembly, one-end half couplings, the other-end half couplings and a baffle assembly, the nylon pin assembly is composed of an upper nylon pin and a lower nylon pin, and the nylon pin assembly is installed in holes of flanges of the two one-end half couplings and the other-end half couplings through pins made of nylon materials. The transmission process is simplified, vibration in the transmission process is reduced through elastic connection of the pin coupling, a supporting seat damping structure is additionally arranged, resonance is prevented, noise is reduced, driving efficiency is improved, dust diffusion is reduced through a blocking structure, and environmental protection is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of hoist structures, in particular to a hoist head transmission sealing structure. Background Art

[0002] At present, hoists are widely used in building materials, metallurgy, chemical industry, mining, grain and other industries. The drum of the traditional hoist is part of the main shaft device. When working, the drum rotates together with the main shaft.

[0003] Traditional large and medium-sized hoists also have the following disadvantages: the motor and the reducer are directly connected, and the vibration during operation causes wear on the key structure; the motor is installed on the box bracket through a hard connection, and the support seat is also installed on the box brackets on both sides through a hard connection, which causes resonance of the box and noise, and affects the driving efficiency of the hoist; if the box is open, dust will overflow, which is not conducive to environmental protection. Therefore, those skilled in the art provide a hoist head transmission blocking structure to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art, and to propose a lifting machine head transmission sealing structure, which simplifies the transmission process, reduces vibration during the transmission process through elastic connection of a pin coupling, increases a support seat shock-absorbing structure, prevents resonance, reduces noise, and improves driving efficiency. The sealing structure reduces dust diffusion, which is beneficial to environmental protection.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A transmission blocking structure for a hoist head, comprising a high-power slow-speed driving motor, an elastic pin coupling, a main transmission shaft, a supporting device on one side of the main transmission shaft, an opening adjustment device on one side of a box body, a main transmission wheel and a supporting device on the other side of the main transmission shaft, wherein the elastic pin coupling comprises a nylon pin assembly, a half coupling at one end, a half coupling at the other end and a baffle assembly, wherein the nylon pin assembly is composed of an upper nylon pin and a lower nylon pin, wherein the pin made of nylon material is installed in the holes of the flanges of the two half couplings at one end and the other end, wherein there is a left and right half coupling gap between the half coupling at one end and the half coupling at the other end, and the baffle assembly The component is composed of a left baffle and a right baffle, the left baffle is installed on one side of the lower nylon pin, and the right baffle is installed on the other side of the upper nylon pin. The main transmission shaft is a horizontally installed, left-right incompletely symmetrical five-step cylindrical transmission shaft, the middle of the five-step cylindrical transmission shaft close to the other side is a cylindrical shaft with the largest cylindrical diameter, and a main transmission wheel is fixedly sleeved on the cylindrical shaft close to the shaft with the largest diameter. The cylindrical shaft and the main transmission wheel are fixed by a locking mechanism, and the left and right sides of the cylindrical shaft are two-step cylindrical step shafts with reduced diameters, and one side of the two-step cylindrical step shaft passes through an opening on one side of the box body for adjustment. The second-step cylindrical step shaft near the other side passes through the opening adjustment device on the other side of the box body, the two sides of the second-step cylindrical step shaft are three-step cylindrical step shafts with reduced diameters, the three-step cylindrical step shaft near the other side is fixedly sleeved with a first rolling bearing, the inner surface of the inner ring of the first rolling bearing is fixedly connected to the three-step cylindrical step shaft on the other side, the support device on the other side of the main transmission shaft is installed on the support frame on the other side of the box body through a shock absorbing mechanism, the three-step cylindrical step shaft near one side is fixedly sleeved with a second rolling bearing, the inner surface of the inner ring of the second rolling bearing is fixedly connected to the three-step cylindrical step shaft on one side, The supporting device 4 on one side of the main transmission shaft is installed on a supporting frame on one side of the box body through a shock-absorbing mechanism, one side of the three-step cylindrical step shaft located on one side is a four-step cylindrical step shaft with a reduced diameter, one side of the four-step cylindrical step shaft is a five-step cylindrical step shaft with a reduced diameter, the five-step cylindrical step shaft is fixedly connected to the right half of the elastic pin coupling by a pin, the driving shaft of the high-power slow-speed drive motor is fixedly connected to the left half of the elastic pin coupling by a pin, a shock-absorbing pad is glued under the base of the high-power slow-speed drive motor, and the base of the high-power slow-speed drive motor is fixedly connected to the bracket on one side of the box body by a shock-absorbing bolt;

[0007] The opening adjustment device on one side of the box body includes a No. 1 limit plate, a No. 2 limit plate, a locking screw and a movable slider. The No. 1 limit plate is a circular ring-shaped step plate with a circular hole in the middle. The diameter of the circular hole in the middle of the No. 1 limit plate is larger than the maximum diameter of the main transmission shaft. The No. 2 limit plate is a circular ring plate with a circular hole in the middle. The diameter of the circular hole in the middle of the No. 2 limit plate is larger than the diameter of the circular hole in the middle of the No. 1 limit plate. The outer diameter of the circular ring plate of the No. 2 limit plate is the same as the outer diameter of the circular ring step plate of the No. 1 limit plate. The movable slider is a circular ring plate with a circular hole in the middle. The annular plate partially protrudes in the middle of the circular hole ring, the diameter of the middle circular hole of the movable slider is smaller than the diameter of the middle circular hole of the No. 1 limit plate, the diameter of the middle circular hole of the movable slider is larger than the maximum diameter of the main transmission shaft, the annular plate of the movable slider is installed in the step plate groove of the No. 1 limit plate, the other side surface of the No. 2 limit plate corresponds to the side surface of the No. 1 limit plate, the No. 2 limit plate, the No. 1 limit plate and one side of the box panel are fixedly connected by screws, and the locking screw is threadedly sleeved in the threaded hole of the No. 2 limit plate;

[0008] Through the above technical scheme, the high-power slow-speed drive motor is the original power of the bucket elevator. The high-power slow-speed drive motor is energized, and the main drive shaft is driven through the elastic pin coupling. The main drive shaft rotates under the support of the support device on one side of the main drive shaft and the support device on the other side of the main drive shaft. The main drive shaft drives the main drive wheel fixed on it to rotate, and the main drive wheel transmits power through the belt drive to realize this transmission. During the transmission process, the high-power slow-speed drive motor and the main drive wheel are connected to the support frame of the box body to reduce the vibration. A reducer is added between the traditional motor and the main drive shaft. The use of the reducer will also bring about the loss of mechanical power, which improves the driving efficiency. The shock-absorbing pad reduces vibration and noise. The shielding mechanism reduces the diffusion of dust, which is beneficial to environmental protection.

[0009] Furthermore, the upper nylon pin and the lower nylon pin have the same appearance and structure;

[0010] Through the above technical solution, the purpose of better symmetrical pairing can be achieved by setting the upper nylon pin and the lower nylon pin to have the same structure.

[0011] Furthermore, the upper surface of the outer ring of the first rolling bearing is fitted with the inner surface of the upper cover of the support device on the other side of the main transmission shaft, and the lower surface of the outer ring of the first rolling bearing is fitted with the inner surface of the lower cover of the support device on the other side of the main transmission shaft;

[0012] Through the above technical solution, the corresponding parts can be fitted to achieve a better stable sleeve setting, making the use more efficient.

[0013] Furthermore, the upper surface of the outer ring of the second rolling bearing is fitted with the inner surface of the upper cover of the support device on one side of the main transmission shaft, and the lower surface of the outer ring of the second rolling bearing is fitted with the inner surface of the lower cover of the support device on one side of the main transmission shaft;

[0014] Through the above technical solution, the corresponding parts can be fitted to achieve a better stable sleeve purpose, making the use more efficient.

[0015] Furthermore, the shock-absorbing pad is made of rubber material;

[0016] Through the above technical solution, the purpose of high-intensity use can be achieved by using the shock-absorbing pad made of rubber material.

[0017] Furthermore, the left baffle and the right baffle have the same structure and shape;

[0018] Through the above technical solution, the purpose of better symmetrical use can be achieved by setting the left baffle and the right baffle in the same structural shape.

[0019] The utility model has the following beneficial effects:

[0020] The utility model proposes a transmission sealing structure for the head of an elevator, which simplifies the transmission process, reduces vibration during the transmission process through elastic connection through a pin coupling, adds a shock-absorbing structure to a support seat, prevents resonance, reduces noise, and improves driving efficiency. The sealing structure reduces dust diffusion, which is beneficial to environmental protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a front cross-sectional schematic diagram of a transmission sealing structure of a hoist head proposed by the utility model;

[0022] Figure 2 It is a front cross-sectional schematic diagram of an elastic pin coupling structure of a hoist head transmission sealing structure proposed by the utility model;

[0023] Figure 3 It is a front cross-sectional schematic diagram of a box side opening adjustment device of a hoist head transmission sealing structure proposed by the utility model.

[0024] Legend:

[0025] 1. High-power slow-speed drive motor; 2. Elastic pin coupling; 21. Nylon pin assembly; 22. Clearance between left and right half couplings; 23. Half coupling at one end; 24. Half coupling at the other end; 25. Baffle assembly; 3. Main transmission shaft; 4. Support device on one side of the main transmission shaft; 5. Opening adjustment device on one side of the box; 51. Limit plate No. 1; 52. Limit plate No. 2; 53. Locking screw; 54. Moving slider; 6. Main transmission wheel; 7. Support device on the other side of the main transmission shaft. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Reference Figure 1-3The utility model provides an embodiment: a transmission blocking structure of a hoist head, including a high-power slow-speed drive motor 1, an elastic pin coupling 2, a main transmission shaft 3, a support device 4 on one side of the main transmission shaft, an opening adjustment device 5 on one side of the box body, a main transmission wheel 6 and a support device 7 on the other side of the main transmission shaft. The elastic pin coupling 2 includes a nylon pin assembly 21, a half coupling 23 at one end, a half coupling 24 at the other end and a baffle assembly 25. The nylon pin assembly 21 is composed of an upper nylon pin and a lower nylon pin. The upper nylon pin and the lower nylon pin have the same appearance structure. By setting the upper nylon pin and the lower nylon pin to have the same structure, the purpose of better symmetrical pairing can be achieved. The nylon pin assembly 21 uses a pin made of nylon material and is installed on two half-ends. The coupling 23 and the other end half coupling 24 flange hole, one end half coupling 23 and the other end half coupling 24 have a left and right half coupling gap 22, the baffle assembly 25 is composed of a left baffle and a right baffle, the left baffle and the right baffle have the same structural shape, and the purpose of better symmetrical use can be achieved by setting the left baffle and the right baffle in the same structural shape. The left baffle is installed on one side of the lower nylon pin, and the right baffle is installed on the other side of the upper nylon pin. The main transmission shaft 3 is a horizontally installed left and right incompletely symmetrical five-step cylindrical transmission shaft. The middle of the five-step cylindrical transmission shaft is close to the other side and is a cylindrical shaft with the largest diameter. The main transmission wheel 6 is fixedly sleeved on the cylindrical shaft close to the largest diameter, and the cylindrical shaft and the main transmission wheel 6 are connected. The cylindrical shaft is fixed by a locking mechanism, and the left and right sides are two-step cylindrical step shafts with reduced diameters. The two-step cylindrical step shaft on one side of the two-step cylindrical step shaft passes through an opening adjustment device 5 on one side of the box body, and the two-step cylindrical step shaft near the other side passes through an opening adjustment device on the other side of the box body. The two sides of the two-step cylindrical step shaft are three-step cylindrical step shafts with reduced diameters, and a first rolling bearing is fixedly sleeved on the three-step cylindrical step shaft near the other side, and the inner surface of the inner ring of the first rolling bearing is fixedly connected to the three-step cylindrical step shaft on the other side. The support device 7 on the other side of the main transmission shaft is installed on the support frame on the other side of the box body through a shock absorbing mechanism, and a second rolling bearing is fixedly sleeved on the three-step cylindrical step shaft near one side, and the inner surface of the inner ring of the second rolling bearing The surface is fixedly connected to the three-step cylindrical stepped shaft on one side, the upper surface of the outer ring of the first rolling bearing is fitted with the inner surface of the upper cover of the support device 7 on the other side of the main transmission shaft, and the lower surface of the outer ring of the first rolling bearing is fitted with the inner surface of the lower cover of the support device 7 on the other side of the main transmission shaft. The fitting arrangement of the corresponding parts can achieve a better stable sleeve purpose, making the use more efficient. The support device 4 on one side of the main transmission shaft is installed on the support frame on one side of the box body through a shock absorbing mechanism. One side of the three-step cylindrical stepped shaft is a four-step cylindrical stepped shaft with a reduced diameter, and one side of the four-step cylindrical stepped shaft is a five-step cylindrical stepped shaft with a reduced diameter. The five-step cylindrical stepped shaft is fixedly connected to the right half of the elastic pin coupling 2 by a pin.The driving shaft of the high-power slow-speed driving motor 1 is fixedly connected to the left half of the elastic pin coupling 2 through a pin. A shock-absorbing pad is glued under the base of the high-power slow-speed driving motor 1. The shock-absorbing pad is made of rubber material. The purpose of high-intensity use can be achieved by using the shock-absorbing pad made of rubber material. The base of the high-power slow-speed driving motor 1 is fixedly connected to the bracket on one side of the box body through a shock-absorbing bolt;

[0028] The opening adjustment device 5 on one side of the box body includes a No. 1 limit plate 51, a No. 2 limit plate 52, a locking screw 53 and a movable slider 54. The No. 1 limit plate 51 is a circular ring-shaped step plate with a circular hole in the middle. The diameter of the circular hole in the middle of the No. 1 limit plate 51 is larger than the maximum diameter of the main transmission shaft 3. The No. 2 limit plate 52 is a circular ring plate with a circular hole in the middle. The diameter of the circular hole in the middle of the No. 2 limit plate 52 is larger than the diameter of the circular hole in the middle of the No. 1 limit plate 51. The outer diameter of the circular ring plate of the No. 2 limit plate 52 is the same as the outer diameter of the circular ring step plate of the No. 1 limit plate 51. The movable slider 54 is a partially protruding annular plate with a circular hole in the middle. The diameter of the circular hole in the middle of the movable slider 54 is smaller than the diameter of the circular hole in the middle of the No. 1 limit plate 51. The movable slider The diameter of the middle circular hole 54 is larger than the maximum diameter of the main transmission shaft 3. The annular plate of the movable slider 54 is installed in the step plate groove of the No. 1 limit plate 51. The other side of the No. 2 limit plate 52 corresponds to the side surface of the No. 1 limit plate 51. The No. 2 limit plate 52, the No. 1 limit plate 51 and a side box panel are fixedly connected by screws. The locking screw 53 is threadedly sleeved in the threaded hole of the No. 2 limit plate 52. The upper surface of the outer ring of the second rolling bearing is fitted with the inner surface of the upper cover of the support device 4 on one side of the main transmission shaft. The lower surface of the outer ring of the second rolling bearing is fitted with the inner surface of the lower cover of the support device 4 on one side of the main transmission shaft. The fitting arrangement of the corresponding parts can achieve a better stable sleeve purpose, making the use more efficient.

[0029] Working principle: The high-power slow-speed drive motor 1 is the original power of the bucket elevator. When the high-power slow-speed drive motor 1 is energized, it drives the main transmission shaft 3 through the elastic pin coupling 2. The main transmission shaft 3 rotates under the support of the support device 4 on one side of the main transmission shaft and the support device 7 on the other side of the main transmission shaft. The main transmission shaft 3 drives the main transmission wheel 6 fixed on it to rotate. The main transmission wheel 6 transmits the power through the belt drive to realize this transmission. During the transmission process, the high-power slow-speed drive motor 1 and the main transmission wheel 6 are connected to the support frame of the box body to reduce the vibration. A reducer is added between the traditional motor and the main transmission shaft 3. The use of the reducer will also bring about the loss of mechanical power, which improves the driving efficiency. The shock-absorbing pad reduces vibration and noise. The shielding mechanism reduces the diffusion of dust, which is beneficial to environmental protection.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A transmission blocking structure for a hoist head, comprising a high-power slow-speed driving motor (1), an elastic pin coupling (2), a main transmission shaft (3), a supporting device (4) on one side of the main transmission shaft, an opening adjustment device (5) on one side of a housing, a main transmission wheel (6) and a supporting device (7) on the other side of the main transmission shaft, characterized in that: The elastic pin coupling (2) comprises a nylon pin assembly (21), a half coupling (23) at one end, a half coupling (24) at the other end and a baffle assembly (25). The nylon pin assembly (21) comprises an upper nylon pin and a lower nylon pin. The nylon pin assembly (21) is made of a nylon pin and is installed in holes of flanges of the half coupling (23) at one end and the half coupling (24) at the other end. There is a left and right half coupling gap (22) between the half coupling (23) at one end and the half coupling (24) at the other end. The baffle assembly (25) comprises a left baffle and a right baffle. The left baffle is installed on one side of the lower nylon pin. The right baffle is installed on the other side of the upper nylon pin. The main transmission shaft (3) is a horizontally installed, left-right incompletely symmetrical five-step cylindrical transmission shaft. The middle of the five-step cylindrical transmission shaft near the other side is a cylindrical shaft with the largest cylindrical diameter. A main transmission wheel (6) is fixedly sleeved on the cylindrical shaft near the shaft with the largest diameter. The cylindrical shaft and the main transmission wheel (6) are fixed by a locking mechanism. The left and right sides of the cylindrical shaft are two-step cylindrical step shafts with reduced diameters. The two-step cylindrical step shaft on one side of the second-step cylindrical step shaft passes through an opening adjustment device (5) on one side of the box body. The two-step cylindrical step shaft near the other side is The adjusting device passes through the opening on the other side of the box body, the two sides of the second-step cylindrical step shaft are three-step cylindrical step shafts with reduced diameters, the three-step cylindrical step shaft near the other side is fixedly sleeved with a first rolling bearing, the inner surface of the inner ring of the first rolling bearing is fixedly connected to the three-step cylindrical step shaft on the other side, the supporting device (7) on the other side of the main transmission shaft is installed on the supporting frame on the other side of the box body through a shock absorbing mechanism, the three-step cylindrical step shaft near one side is fixedly sleeved with a second rolling bearing, the inner surface of the inner ring of the second rolling bearing is fixedly connected to the three-step cylindrical step shaft on one side, the supporting device (4) on one side of the main transmission shaft is fixedly sleeved with a second rolling bearing, the inner surface of the inner ring of the second rolling bearing is fixedly connected to the three-step cylindrical step shaft on one side, The vibration mechanism is installed on a support frame on one side of the box body, one side of the three-step cylindrical step shaft is a four-step cylindrical step shaft with a reduced diameter, one side of the four-step cylindrical step shaft is a five-step cylindrical step shaft with a reduced diameter, the five-step cylindrical step shaft is fixedly connected to the right half of the elastic pin coupling (2) by a pin, the driving shaft of the high-power slow-speed drive motor (1) is fixedly connected to the left half of the elastic pin coupling (2) by a pin, a shock-absorbing pad is glued under the base of the high-power slow-speed drive motor (1), and the base of the high-power slow-speed drive motor (1) is fixedly connected to the bracket on one side of the box body by a shock-absorbing bolt; The box body side opening adjustment device (5) comprises a first limiting plate (51), a second limiting plate (52), a locking screw (53) and a movable slider (54); the first limiting plate (51) is a circular ring-shaped step plate with a circular hole in the middle; the diameter of the circular hole in the middle of the first limiting plate (51) is larger than the maximum diameter of the main transmission shaft (3); the second limiting plate (52) is a circular ring plate with a circular hole in the middle; the diameter of the circular hole in the middle of the second limiting plate (52) is larger than the diameter of the circular hole in the middle of the first limiting plate (51); the outer diameter of the circular ring plate of the second limiting plate (52) is the same as the outer diameter of the circular ring step plate of the first limiting plate (51); and the movable slider (54) is a circular ring plate with a circular hole in the middle. 4) is a partially protruding annular plate with a circular hole in the middle, the diameter of the circular hole in the middle of the movable slider (54) is smaller than the diameter of the circular hole in the middle of the first limiting plate (51), and the diameter of the circular hole in the middle of the movable slider (54) is larger than the maximum diameter of the main transmission shaft (3), the annular plate of the movable slider (54) is installed in the step plate groove of the first limiting plate (51), and the other side surface of the second limiting plate (52) corresponds to covering the side surface of the first limiting plate (51), the second limiting plate (52), the first limiting plate (51) and a side box panel are fixedly connected by screws, and the locking screw (53) is threadedly sleeved in the threaded hole of the second limiting plate (52).

2. The transmission blocking structure of the hoist head according to claim 1 is characterized in that: The upper nylon pin and the lower nylon pin have the same appearance and structure.

3. The transmission blocking structure of the hoist head according to claim 1 is characterized in that: The upper surface of the outer ring of the first rolling bearing is fitted with the inner surface of the upper cover of the support device (7) on the other side of the main transmission shaft, and the lower surface of the outer ring of the first rolling bearing is fitted with the inner surface of the lower cover of the support device (7) on the other side of the main transmission shaft.

4. The transmission blocking structure of the hoist head according to claim 1 is characterized in that: The upper surface of the outer ring of the second rolling bearing is fitted with the inner surface of the upper cover of the support device (4) on one side of the main transmission shaft, and the lower surface of the outer ring of the second rolling bearing is fitted with the inner surface of the lower cover of the support device (4) on one side of the main transmission shaft.

5. The transmission blocking structure of the hoist head according to claim 1 is characterized in that: The shock-absorbing pad is made of rubber material.

6. The transmission blocking structure of the hoist head according to claim 1 is characterized in that: The left baffle plate and the right baffle plate have the same structure and shape.

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