CN219314374U

CN219314374U - Planet wheel clamping device of mining planetary reducer

Info

Publication number: CN219314374U
Application number: CN202223598991.7U
Authority: CN
Inventors: 张艺; 朱海鹏; 杨国福; 李清; 梁庆; 宗静元; 王涛
Original assignee: Ningxia Tiandi Benniu Industrial Group Co Ltd
Current assignee: Ningxia Tiandi Benniu Industrial Group Co Ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-07-07
Anticipated expiration: 2032-12-30

Abstract

A planet wheel clamping device of a mining planet speed reducer comprises a base, a clamping assembly, a lifting assembly, a rotary driving assembly and a guide pipe; the top of the base is recessed downwards to form a circular groove, a sliding groove penetrating through the base is formed in the bottom of the circular groove along the radial direction of the circular groove, and a cover plate is arranged at the top of the base; the clamping component is arranged in the sliding groove in a sliding way in a opposite direction; the guide pipe is perpendicular to the base; the rotary driving assembly is sleeved outside the guide cylinder, and the lower part of the rotary driving assembly is positioned in the circular groove and is in sliding connection with the clamping assembly; the lifting component is arranged in the guide cylinder in a sliding way. When the utility model is used, the planet wheel can be effectively prevented from loosening during lifting, the positioning is reliable, the falling risk is reduced, and the lifting safety is improved; in the use, the planet wheel of light in weight can directly carry out hoist and mount and transport, and the portable usable rings of great portable difficulty of weight hoist and mount of seat lid are transported, and centre gripping process effect safety and stability improves production efficiency.

Description

Planet wheel clamping device of mining planetary reducer

Technical Field

The utility model relates to the technical field of gear machining, in particular to a planet wheel clamping device of a mining planet speed reducer.

Background

The planetary reducer for mine is a power transmission mechanism, and the epicyclic train mainly comprises planetary gears, a central gear, a planetary carrier and the like, and the planetary gears are used as important parts of the planetary reducer and have the characteristics of high transmission power, high bearing capacity and the like. In the planetary transmission assembly of the mining speed reducer, a planetary wheel hole is internally used for assembling a bearing, a retainer ring, a distance ring and a planetary wheel shaft. At present, the hoisting and transferring of the planetary gears of the company in the processing process mainly adopts a manual sling, a magnetic crane and the like, so that the transferring efficiency is low; the utility model patent with the bulletin number of CN217102731U and the utility model patent with the bulletin number of CN207986514U both disclose a lifting appliance for lifting the planet gears, but when the lifting appliance is used, the lifting appliance is unstable in clamping, easy to fall and easy to cause safety accidents; in the lifting and transferring processes, the lifting tool can clamp the workpiece only by manual assistance for many times, the operation is inconvenient, the use is complex, and the efficiency is low.

Disclosure of Invention

In order to solve the technical problems in the prior art, in view of the foregoing, it is necessary to provide a planetary gear clamping device for a mining planetary reducer.

A planet wheel clamping device of a mining planet speed reducer comprises a base, a clamping assembly, a lifting assembly, a rotary driving assembly and a guide pipe;

the top of the base is downwards recessed to form a circular groove, a sliding groove penetrating through the base is formed in the bottom of the circular groove along the radial direction of the circular groove, and a cover plate for sealing the circular groove is arranged at the top of the base;

the clamping assembly is arranged in the sliding groove in a sliding way in a facing way;

the guide pipe is perpendicular to the base, and the axis of the guide pipe is coincident with the axis of the circular groove;

the rotary driving assembly is sleeved outside the guide pipe, and the lower part of the rotary driving assembly is positioned in the circular groove and is in sliding connection with the clamping assembly;

the lifting assembly is arranged in the guide pipe in a sliding manner, and can be pulled upwards to drive the rotary driving assembly to rotate anticlockwise along the axis of the guide pipe so as to synchronously drive the clamping assembly to move along the sliding groove and retract into the base; the lifting assembly is loosened, and under the action of self gravity of the lifting assembly and restoring force of the lifting assembly, the rotary driving assembly can be driven to rotate clockwise along the axis of the guide tube so as to synchronously drive the clamping assembly to move along the sliding groove away from the guide tube and extend out of the base.

Preferably, the rotary driving assembly comprises a rotary cylinder and a rotary disc, the rotary disc is arranged in a circular groove on the base, the rotary disc is in sliding connection with the clamping assembly, the rotary cylinder is sleeved outside the guide tube, and the lower end of the rotary cylinder is fixed with the rotary disc into a whole.

Preferably, two arc-shaped sliding grooves are formed in the rotating disc, the two arc-shaped sliding grooves are arranged in a mirror image mode by taking the axis of the guide tube as a reference, each arc-shaped sliding groove is correspondingly connected with each clamping assembly in a sliding mode, one end of each arc-shaped sliding groove is close to the edge of the rotating disc, and the other end of each arc-shaped sliding groove is close to the center position of the rotating disc.

Preferably, two guide grooves are formed in the side wall of the rotary cylinder, the two guide grooves are arranged in a mirror image mode by taking the axis of the guide pipe as a reference, and the guide grooves extend from bottom to top in a spiral mode along the outer wall of the rotary cylinder.

Preferably, the outer wall of the guide tube is provided with a limiting guide hole which is arranged along the axis direction of the guide tube and penetrates through the guide tube.

Preferably, the lifting assembly comprises a guide pull rod, a long pin and a spring, wherein the guide pull rod is arranged in the guide tube in a sliding manner along the axis of the guide tube, the upper end of the guide pull rod penetrates through the top of the guide tube, the long pin is arranged at the lower end of the guide pull rod in the radial direction of the guide pull rod, two end parts of the long pin penetrate through limit guide holes in the guide tube and are in sliding connection with guide grooves in the rotary tube, the spring is sleeved on the guide pull rod, and the upper end of the spring is in contact with the top in the guide tube.

Preferably, a handle is arranged at the top of the guide pull rod.

Preferably, the outer part of the rotary cylinder is sleeved with a protective sleeve, the length of the protective sleeve is smaller than that of the guide tube, and the lower end of the protective sleeve is fixed with the cover plate into a whole.

Preferably, the clamping assembly comprises a clamping key block, the clamping key block is arranged in the sliding groove in a sliding manner, a connecting pin which can be inserted into the arc-shaped chute is arranged on the upper portion of one end, close to the guide pipe, of the clamping key block, and the connecting pin is in sliding connection with the arc-shaped chute.

Preferably, one end of the clamping key block, which is far away from the connecting pin, is provided with a supporting boss, and the side part of the supporting boss is of an arc-shaped structure.

According to the technical scheme, the planet wheel clamping device of the mining planet speed reducer comprises a base, a clamping assembly, a lifting assembly, a rotary driving assembly and a guide pipe; the top of the base is recessed downwards to form a circular groove, a sliding groove penetrating through the base is formed in the bottom of the circular groove along the radial direction of the circular groove, and a cover plate for sealing the circular groove is arranged at the top of the base; the clamping component is arranged in the sliding groove in a sliding way in a opposite direction; the guide pipe is perpendicular to the base, and the axis of the guide pipe is coincident with the axis of the circular groove; the rotary driving assembly is sleeved outside the guide pipe, and the lower part of the rotary driving assembly is positioned in the circular groove and is in sliding connection with the clamping assembly; the lifting assembly is arranged in the guide pipe in a sliding manner, the lifting assembly is pulled upwards, the rotary driving assembly can be driven to rotate anticlockwise along the axis of the guide pipe, so that the clamping assembly is synchronously driven to move along the sliding groove and retract into the base, and the end part of the clamping assembly can be separated from the planet wheel; the lifting assembly is loosened, under the action of the self gravity of the lifting assembly and the restoring force of the lifting assembly, the rotary driving assembly can be driven to rotate clockwise along the axis of the guide pipe so as to synchronously drive the clamping assembly to move away from the guide pipe along the sliding groove and extend out of the base, so that the clamping assembly is clamped into the planetary wheel groove, and the planetary wheel is clamped and fixed in the radial direction of the planetary wheel. When the utility model is used, the planet wheel can be effectively prevented from loosening during lifting, the positioning is reliable, the falling risk is reduced, and the lifting safety is improved; in the use, the planet wheel of light in weight can directly carry out hoist and mount and transport, and the portable usable rings of great portable difficulty of weight hoist and mount of seat lid are transported, and centre gripping process effect safety and stability improves production efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of the present utility model.

FIG. 2 is a schematic view of another angle of FIG. 1 according to the present utility model.

Fig. 3 is a schematic cross-sectional view of fig. 2 in accordance with the present utility model.

Fig. 4 is a schematic structural view of the connection among the base, the clamping assembly, the lifting assembly, the rotary driving assembly and the guide tube.

Fig. 5 is a schematic cross-sectional view of fig. 4 in accordance with the present utility model.

Fig. 6 is a schematic view of the structure of the clamping assembly of fig. 4 after being extended.

Fig. 7 is a schematic structural view of the base of the present utility model.

Fig. 8 is a schematic structural view of a rotary driving assembly according to the present utility model.

FIG. 9 is a schematic view of the connection structure of the guide tube and the lifting assembly of the present utility model.

Fig. 10 is a schematic cross-sectional view of the structure of fig. 9 in accordance with the present utility model.

Fig. 11 is a schematic structural view of a clamping assembly according to the present utility model.

Fig. 12 is a schematic structural view of another embodiment of the present utility model.

In the figure: base 01, circular groove 11, sliding groove 12, apron 13, clamping component 02, clamping key piece 21, connecting pin 22, support boss 23, lifting component 03, guide pull rod 31, long pin 32, spring 33, handle 34, rotary drive component 04, rotary cylinder 41, rotary disk 42, arc chute 43, guide groove 44, guide tube 05, spacing guiding hole 51, protective sleeve 06, hanging component 07, rings 71, connecting rod 72.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "upper," "middle," "outer," "inner," "lower," and the like are used for indicating orientations or positional relationships, merely to facilitate the description of the present utility model and simplify the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and are not to be construed as limiting the present utility model.

Referring to fig. 1 to 11, an embodiment of the present utility model provides a planetary clamping device of a planetary reducer for a mine, which includes a base 01, a clamping component 02, a lifting component 03, a rotary driving component 04, and a guide tube 05; the top of the base 01 is recessed downwards to form a circular groove 11, a sliding groove 12 penetrating through the base 01 is formed in the bottom of the circular groove 11 along the radial direction of the circular groove 11, and a cover plate 13 for closing the circular groove 11 is arranged on the top of the base 01. The clamping assembly 02 is arranged in the sliding groove 12 in a sliding way in a facing way. The guide tube 05 is perpendicular to the base 01, and the axis of the guide tube 05 coincides with the axis of the circular groove 11. The rotary driving assembly 04 is sleeved outside the guide tube 05, the lower part of the rotary driving assembly 04 is positioned in the circular groove 11, and the lower part of the rotary driving assembly 04 is in sliding connection with the clamping assembly 02. The lifting assembly 03 is arranged in the guide pipe 05 in a sliding manner, the lifting assembly 03 is pulled upwards, the rotating driving assembly 04 can be driven to rotate anticlockwise along the axis of the guide pipe 05, the clamping assembly 02 can be synchronously driven to move towards the guide pipe 05 along the sliding groove 12, the clamping assembly 02 is contracted into the base 01, and the end part of the clamping assembly 02 is separated from the planet wheel; the lifting assembly 03 is loosened, under the action of the self gravity of the lifting assembly 03 and the restoring force of the lifting assembly 03, the rotary driving assembly 04 can be driven to rotate clockwise along the axis of the guide tube 05, the clamping assembly 02 can be synchronously driven to move away from the guide tube 05 along the sliding groove 12, the clamping assembly 02 extends out of the base 01, the end part of the clamping assembly 02 is clamped into the planetary wheel groove, and the planetary wheel is clamped and fixed in the radial direction of the planetary wheel.

In one embodiment, the rotary driving assembly 04 comprises a rotary drum 41 and a rotary disc 42, the rotary disc 42 is arranged in the circular groove 11 on the base 01, the rotary disc 42 is in sliding connection with the clamping assembly 02, the rotary drum 41 is sleeved outside the guide tube 05, and the lower end of the rotary drum 41 is fixed with the rotary disc 42 into a whole.

Specifically, two arc-shaped sliding grooves 43 are formed in the rotating disc 42, the two arc-shaped sliding grooves 43 are arranged in a mirror image mode based on the axis of the guide tube 05, each arc-shaped sliding groove 43 is correspondingly connected with each clamping assembly 02 in a sliding mode, one end of each arc-shaped sliding groove 43 is close to the edge of the rotating disc 42, and the other end of each arc-shaped sliding groove 43 is close to the center of the rotating disc 42.

Specifically, two guide grooves 44 are formed in the side wall of the rotary cylinder 41, the two guide grooves 44 are mirror images of each other with the axis of the guide tube 05 as a reference, and the guide grooves 44 extend from bottom to top in a spiral manner along the outer wall of the rotary cylinder 41.

In one embodiment, the clamping assembly 02 includes a clamping key block 21, the clamping key block 21 is slidably disposed in the sliding groove 12, a connecting pin 22 is disposed on an upper portion of one end of the clamping key block 21, which is close to the guide tube 05, the connecting pin 22 can be inserted into the arc chute 43, the connecting pin 22 is slidably connected with the arc chute 43, and when the rotating drum 41 and the rotating disc 42 synchronously rotate, the rotating disc 42 drives the clamping key block 21 to slide along the sliding groove 12, so as to realize shrinkage or extension of the clamping key block 21. The one end that connecting pin 22 was kept away from at centre gripping key piece 21 is provided with support boss 23, and support boss 23 can be to the bottom sprag of planet wheel, and support boss 23 lateral part is the arc structure, and this arc structure and the inner wall looks adaptation of planet wheel can guarantee that support boss 23 lateral part and the inner wall formation contact of planet wheel, can prevent effectively that the planet wheel is not hard up, and the location is reliable.

In one embodiment, the outer wall of the guide tube 05 is provided with a limit guide hole 51, and the limit guide hole 51 is disposed along the axial direction of the guide tube 05 and penetrates through the side wall of the guide tube 05.

In one embodiment, the lifting assembly 03 comprises a guide pull rod 31, a long pin 32 and a spring 33, wherein the guide pull rod 31 is slidably arranged in the guide tube 05 along the axis of the guide tube 05, the upper end of the guide pull rod 31 penetrates through the top of the guide tube 05, and a handle 34 is arranged at the top of the guide pull rod 31. The long pin 32 is arranged at the lower end of the guide pull rod 31 along the radial direction of the guide pull rod 31, two end parts of the long pin 32 pass through the limit guide holes 51 on the guide tube 05 and are in sliding connection with the guide grooves 44 on the rotary cylinder 41, the spring 33 is sleeved on the guide pull rod 31, and the upper end of the spring 33 is contacted with the top part in the guide tube 05. When the planetary wheels are clamped, the handle 34 is pulled upwards, the spring 33 is compressed, the long pin 32 moves upwards along the limiting guide hole 51, two ends of the long pin 32 synchronously slide along the guide groove 44 and drive the rotary drum 41 to rotate anticlockwise, at the moment, the rotary disc 42 synchronously rotates along the rotary drum 41 and drives the clamping key block 21 to move along the sliding groove 12 towards the direction close to the guide tube 05, the clamping key block 21 is contracted into the base 01, after the supporting boss 23 of the clamping key block 21 is determined to be positioned at the bottom of the planetary wheels, the handle 34 is loosened, under the action of the integral weight of the lifting assembly 03 and the restoring force of the spring 33 after compression, the guide pull rod 31 falls back downwards, the long pin 32 synchronously slides along the guide groove 44 and drives the rotary drum 41 to rotate clockwise, at the moment, the rotary disc 42 synchronously rotates along the rotary drum 41 and drives the clamping key block 21 to move along the sliding groove 12 towards the direction far away from the guide tube 05, the clamping key block 21 extends out of the base 01 to the side of the base 21, and the planetary wheels are clamped by the side of the planetary wheels, and the planetary wheels are prevented from being clamped by the side of the planetary wheels. In the use process, the planet wheels with light weight can directly lift the arc handle above the seat cover for hoisting and transferring.

In one embodiment, the outer portion of the rotary cylinder 41 is sleeved with a protection sleeve 06, the length of the protection sleeve 06 is smaller than the length of the guide tube 05, and the lower end of the protection sleeve 06 is fixed integrally with the cover plate 13.

Referring to fig. 12, in an embodiment of the present utility model, a hanging assembly 07 may be further provided to facilitate lifting and transferring, where the hanging assembly 07 includes a hanging ring 71 and a connecting rod 72, the connecting rod 72 is respectively disposed on two sides of the handle 34, a lower end of the connecting rod 72 is fixed to an outer wall of the protection sleeve 06, and an upper end of the connecting rod 72 is fixed to the hanging ring 71. In the use process, the lifting ring 71 can be hooked by a crane or a crown block, so that the lifting and transferring can be carried out.

The foregoing disclosure is illustrative of the preferred embodiments of the present utility model, and is not to be construed as limiting the scope of the utility model, as it is understood by those skilled in the art that all or part of the above-described embodiments may be practiced with equivalents thereof, which fall within the scope of the utility model as defined by the appended claims.

Claims

1. A mining planetary reducer planet wheel clamping device which characterized in that: comprises a base, a clamping component, a lifting component, a rotary driving component and a guide pipe;

2. The mining planetary reducer planetary gear clamping device according to claim 1, wherein: the rotary driving assembly comprises a rotary cylinder and a rotary disc, the rotary disc is arranged in a circular groove on the base, the rotary disc is in sliding connection with the clamping assembly, the rotary cylinder is sleeved outside the guide tube, and the lower end of the rotary cylinder is fixed with the rotary disc into a whole.

3. The mining planetary reducer planetary gear clamping device according to claim 2, wherein: two arc-shaped sliding grooves are formed in the rotating disc, the two arc-shaped sliding grooves are arranged in a mirror image mode by taking the axis of the guide tube as a reference, each arc-shaped sliding groove is correspondingly connected with each clamping assembly in a sliding mode, one end of each arc-shaped sliding groove is close to the edge of the rotating disc, and the other end of each arc-shaped sliding groove is close to the center of the rotating disc.

4. A mining planetary reducer planetary gear gripping device according to claim 3, characterized in that: two guide grooves are formed in the side wall of the rotary cylinder, the two guide grooves are arranged in a mirror image mode by taking the axis of the guide pipe as a reference, and the guide grooves extend from bottom to top in a spiral mode along the outer wall of the rotary cylinder.

5. The mining planetary reducer planetary gear clamping device according to claim 4, wherein: and the outer wall of the guide tube is provided with a limiting guide hole which is arranged along the axis direction of the guide tube and penetrates through the guide tube.

6. The mining planetary reducer planetary gear clamping device according to claim 5, wherein: the lifting assembly comprises a guide pull rod, a long pin and a spring, wherein the guide pull rod is arranged in the guide tube in a sliding manner along the axis of the guide tube, the upper end of the guide pull rod penetrates through the top of the guide tube, the long pin is arranged at the lower end of the guide pull rod in the radial direction of the guide pull rod, two end parts of the long pin penetrate through limiting guide holes in the guide tube and are in sliding connection with guide grooves in the rotary tube, the spring is sleeved on the guide pull rod, and the upper end of the spring is in contact with the top in the guide tube.

7. The mining planetary reducer planetary gear clamping device according to claim 6, wherein: the top of the guide pull rod is provided with a handle.

8. The mining planetary reducer planetary gear clamping device of claim 7, wherein: the outside cover of rotary drum is equipped with the protective sleeve, the length of protective sleeve is less than the length of stand pipe, and protective sleeve's lower extreme is fixed as an organic wholely with the apron.

9. A mining planetary reducer planetary gear gripping device according to claim 3, characterized in that: the clamping assembly comprises a clamping key block, the clamping key block is arranged in the sliding groove in a sliding mode, a connecting pin which can be inserted into the arc-shaped sliding groove is arranged on the upper portion, close to one end of the guide tube, of the clamping key block, and the connecting pin is connected with the arc-shaped sliding groove in a sliding mode.

10. The mining planetary reducer planetary gear clamping device according to claim 9, wherein: the one end that the centre gripping key piece kept away from the connecting pin is provided with the support boss, support boss lateral part is the arc structure.