CN216991648U

CN216991648U - Gear disassembling tool clamp

Info

Publication number: CN216991648U
Application number: CN202220449720.6U
Authority: CN
Inventors: 张小娟; 修帝; 申威; 岑威; 朱海岸; 程旭东
Original assignee: Wuhan Qinling Lingke Aviation Power System Co ltd
Current assignee: Wuhan Qinling Lingke Aviation Power System Co ltd
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-07-19
Anticipated expiration: 2032-03-03

Abstract

The utility model belongs to the technical field of motor maintenance, and discloses a gear disassembling tool clamp which is used for disassembling a gear to be disassembled installed on a direct current motor, wherein the gear to be disassembled is fixedly connected with a motor shaft of the direct current motor through a connecting pin.

Description

Gear disassembling tool clamp

Technical Field

The utility model relates to the technical field of motor maintenance, in particular to a gear disassembling tool clamp.

Background

The direct current motor is arranged on a landing lamp of a certain airplane, when the airplane lands, the direct current motor works through onboard control, and when the direct current motor works, the landing lamp can carry out conversion of a folding-unfolding state. During the overhaul work of the landing lamp, the repair work of the direct current motor is required, the landing lamp can be normally folded and unfolded, the output current is stable, and the micro switch can be normally switched on and released during the work of the direct current motor to ensure the normal work of the landing lamp, so that the landing lamp is a core part in the landing lamp.

In the repair work of the direct current motor, the direct current motor is used for a long time, the gear disassembly causes great obstruction to the repair work, because a pin notch for fixing the gear is completely worn sometimes, the diameter of the pin is small, the position of the notch when the pin is driven in cannot be distinguished, and when the pin is disassembled, the fixing gear is in a suspended state and cannot be well stressed, so that the pin is extremely difficult to disassemble, and only the pin is broken, so that the gear is disassembled, and the motor can be further disassembled and repaired. And original hand-held type draws a yard unstable gesture when atress, breaking, also be convenient for operate, lead to operating personnel accident to be injured even easily, still probably harm the all the other spare parts of direct current motor simultaneously, consequently need design a section can break the special frock clamp of pin decomposition gear and solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model is realized in the following way:

a gear disassembling tool clamp is used for disassembling a gear to be disassembled installed on a direct current motor, the gear to be disassembled is fixedly connected with a motor shaft of the direct current motor through a connecting pin, the gear disassembling tool clamp comprises a disassembling support, the disassembling support comprises a base, a support rod is fixedly connected to the back of the top of the base, a disassembling device is arranged at the top of the support rod, a clamping device is arranged at the center of the top of the base and used for clamping direct current motors with different sizes and models, the disassembling device is overlapped with the vertical center line of the clamping device, the disassembling device comprises a threaded rotating rod, a lever is inserted into the top of the threaded rotating rod, a thimble is fixedly connected to the bottom of the threaded rotating rod, a reaction plate is connected to the bearing on the surface of the periphery of the threaded rotating rod and close to the top, the reaction plate is of a C-shaped structure and is arranged close to the top of the support rod, the top of the support rod is provided with a sliding groove, the threaded rotating rod is connected to the inside of the sliding groove in a sliding mode, the threaded rotating rod is connected to the center of the top of the pulling sleeve in a threaded mode, the bottom of the pulling sleeve is provided with a clamping groove, the motor shaft is clamped inside the clamping groove, the bottom of the gear to be disassembled is tightly attached to the bottom of the inner wall of the pulling sleeve, and the bottom of the ejector pin is tightly attached to the top of the motor shaft.

In one embodiment of the utility model, the left side and the right side of the inner wall of the reaction plate are both provided with a limiting groove, the support rod is in an L-shaped structure, the positions, close to the front, of the left side and the right side of the top of the support rod are both fixedly connected with limiting blocks, and the limiting blocks are connected to the inner parts of the limiting grooves in a sliding manner.

In an embodiment of the utility model, the pulling sleeve is in an oblong structure, the front surface and the back surface of the pulling sleeve are both provided with openings, and the bottom of the inner wall of the pulling sleeve is provided with anti-skid threads.

In an embodiment of the utility model, the clamping device comprises a first clamping plate and a second clamping plate which are symmetrically arranged, the middle parts of the back surfaces of the first clamping plate and the second clamping plate are respectively hinged with one end of two connecting rods, the other ends of the two connecting rods are hinged with the base, the left side and the right side of the first clamping plate are respectively hinged with one end of two locking screw rods, the surface of each locking screw rod is in threaded connection with a locking nut, the positions of the left side and the right side of the second clamping plate, which correspond to the locking screw rods, are respectively provided with a locking groove, the two locking screw rods are respectively clamped in the locking grooves at the same side, and are respectively and fixedly connected with the first clamping plate and the second clamping plate through the two locking nuts.

In an embodiment of the present invention, the first clamping plate and the second clamping plate have the same shape and are both arc-shaped structures, and rubber pads are fixedly connected to clamping surfaces of the first clamping plate and the second clamping plate.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the dismounting device is matched with the structure of the clamping device, so that the whole direct current motor is uniformly and continuously stressed when the gear is decomposed, the pressure is vertical and fixed, and the faults of damage to other components of the direct current motor or deformation caused by external force in the decomposition process can be avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

FIG. 1 is a schematic overall perspective view of the present invention;

FIG. 2 is a perspective view of the detachment bracket of the present invention;

FIG. 3 is an enlarged schematic view of FIG. 2 at A;

FIG. 4 is a schematic diagram of a three-dimensional explosion structure of the DC motor of the present invention;

fig. 5 is a schematic perspective exploded view of the detaching device of the present invention.

Description of reference numerals: 100. disassembling the bracket; 101. a sliding groove; 102. a limiting block; 103. a support rod; 104. a base; 200. disassembling the device; 201. a threaded rotating rod; 202. a lever; 203. a reaction plate; 204. a limiting groove; 205. a thimble; 206. pulling the sleeve; 207. a card slot; 300. a direct current motor; 301. a gear to be disassembled; 302. a motor shaft; 303. a connecting pin; 400. a clamping device; 401. a first clamping plate; 402. a rubber pad; 403. a second clamping plate; 404. a connecting rod; 405. locking the nut; 406. a locking groove; 407. and locking the screw rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Examples

Referring to fig. 1-5, the utility model provides a gear disassembling tool clamp, which is used for disassembling a gear 301 to be disassembled installed on a direct current motor 300, the gear 301 to be disassembled is fixedly connected with a motor shaft 302 of the direct current motor 300 through a connecting pin 303, the gear disassembling tool clamp comprises a disassembling support 100, the disassembling support 100 comprises a base 104, a support rod 103 is fixedly connected with the back of the top of the base 104, a disassembling device 200 is arranged at the top of the support rod 103, a clamping device 400 is arranged at the center of the top of the base 104, the clamping device 400 is used for clamping direct current motors 300 with different sizes and models, the vertical center lines of the disassembling device 200 and the clamping device 400 are overlapped, the disassembling device 200 comprises a threaded rotating rod 201, a lever 202 is inserted at the top of the threaded rotating rod 201, a thimble 205 is fixedly connected at the bottom of the threaded rotating rod 201, a reaction plate 203 is connected on the surface around the threaded rotating rod 201 and near the top, the counter-force plate 203 is of a C-shaped structure and is tightly attached to the top of the support rod 103, the top of the support rod 103 is provided with a sliding groove 101, the threaded rotating rod 201 is slidably connected inside the sliding groove 101, the threaded rotating rod 201 is in threaded connection with the center of the top of the pulling sleeve 206, the bottom of the pulling sleeve 206 is provided with a clamping groove 207, the motor shaft 302 is clamped inside the clamping groove 207, the bottom of the gear 301 to be disassembled is tightly attached to the bottom of the inner wall of the pulling sleeve 206, the bottom of the ejector pin 205 is tightly attached to the top of the motor shaft 302, the clamping device 400 clamps the direct current motor 300 with the fixed position adjusted, the top of the motor shaft 302 of the direct current motor 300 is in contact with the ejector pin 205 of the dismounting device 200, then the threaded rotating rod 201 slides in the sliding groove 101, so that the dismounting device 200 is driven to slide to one side integrally, the pulling sleeve 206 is convenient to rotate and adjust the position, and the gear 301 to be disassembled of the direct current motor 300 can enter the pulling sleeve 206 smoothly, and make motor shaft 302 block go into in the draw-in groove 207, then make to draw and drag cover 206 to rise through rotating screw bull stick 201, and make its inner wall bottom hug closely and tighten with the bottom of waiting to tear gear 301 open, then continue to rotate screw bull stick 201, regard as the bearing fulcrum through reaction plate 203, thereby break connecting pin 303 through drawing the pulling force that draws cover 206 to rise, thereby dismantle waiting to tear gear 301 open smoothly, and direct current motor 300 fixes inside clamping device 400, can not receive the influence, the condition that effectively prevents to cause the damage to direct current motor 300 in the dismantlement process appears.

In an embodiment of the utility model, further, the left and right sides of the inner wall of the reaction plate 203 are both provided with a limiting groove 204, the support rod 103 is in an L-shaped structure, the left and right sides of the top of the support rod 103 and the position close to the front are both fixedly connected with a limiting block 102, the limiting block 102 is slidably connected inside the limiting groove 204, the dismounting device 200 is connected or separated with the dismounting support 100 through the sliding fit arrangement of the limiting block 102 and the limiting groove 204, the dismounting device 200 is convenient to operate stably in the process of dismounting the gear 301 to be dismounted through the connection state arrangement of the dismounting device 200, the operator is not injured due to slippage or accidental slippage, on the other hand, after the limiting block 102 is separated from the limiting groove 204, the dismounting device 200 has a degree of freedom of height adjustment, so that the position adjustment can be more convenient for different models of the direct current motor 300, and the preparation and debugging time before operation can be simplified, the working efficiency is improved.

In an embodiment of the utility model, further, the pulling sleeve 206 is in an oblong structure, the front surface and the back surface of the pulling sleeve 206 are both provided with openings, the bottom of the inner wall of the pulling sleeve 206 is provided with anti-slip threads, and the friction force between the pulling sleeve 206 and the gear 301 to be dismounted is increased, so that the pulling sleeve 206 is prevented from slipping and rotating along with the threaded rotating rod 201, thereby losing the pulling force and preventing the dismounting operation from being blocked.

In an embodiment of the utility model, further, the clamping device 400 includes a first clamping plate 401 and a second clamping plate 403 which are symmetrically arranged, the middle parts of the opposite back surfaces of the first clamping plate 401 and the second clamping plate 403 are respectively hinged with one end of two connecting rods 404, the other ends of the two connecting rods 404 are respectively hinged with the base 104, the left side and the right side of the first clamping plate 401 are respectively hinged with one end of two locking screws 407, the surface of each locking screw 407 is in threaded connection with a locking nut 405, the left side and the right side of the second clamping plate 403 are respectively provided with a locking groove 406 at the position corresponding to the locking screw 407, the two locking screws 407 are respectively clamped in the locking grooves 406 at the same side and are respectively fastened and connected with the first clamping plate 401 and the second clamping plate 403 through the two locking nuts 405, the clamping distance between the first clamping plate 401 and the second clamping plate 403 is changed along with the angle change of the two connecting rods 404 through the structural arrangement that the connecting rods 404 are respectively hinged with the clamping plate and the base 104, thereby the direct current motor 300 that adapts to different model sizes carries out the centre gripping, this frock clamp's commonality has been increased, thereby the rate of utilization is improved, and make through setting up clamping device 400 when dismantling and waiting to tear open gear 301, direct current motor 300 is stably fixed, provide good basis for the dismantlement work, also protect direct current motor 300 simultaneously and can keep the safety and stability under the condition of atress and vibrations, thereby effectively reduce the unexpected probability of damaging of direct current motor 300 in the maintenance process, the implementation degree of difficulty of dismantlement work has also been reduced simultaneously.

In an embodiment of the present invention, further, the shape of the first clamping plate 401 and the shape of the second clamping plate 403 are identical and both have an arc structure, and a rubber pad 402 is fixedly connected to the clamping surfaces of the first clamping plate 401 and the second clamping plate 403.

This frock clamp is dismantled to gear's theory of operation: firstly, the clamping device 400 clamps the direct current motor 300 with an adjusted fixing position, so that the top of a motor shaft 302 of the direct current motor 300 is in contact with a thimble 205 of the dismounting device 200, and then the screw rotating rod 201 slides in the sliding groove 101, so as to drive the dismounting device 200 to slide to one side integrally, so as to conveniently pull the sleeve 206 to adjust the position through rotation, so that a gear 301 to be dismounted of the direct current motor 300 can smoothly enter the pulling sleeve 206, and the motor shaft 302 is clamped in the clamping groove 207, then the pulling sleeve 206 is lifted by rotating the screw rotating rod 201, and the bottom of the inner wall of the pulling sleeve is tightly attached to and tightened with the bottom of the gear 301 to be dismounted, and then the screw rotating rod 201 is continuously rotated, and the reaction plate 203 is used as a bearing fulcrum, so that the connecting pin 303 is pulled apart by the lifting force of the pulling sleeve 206, and the gear 301 to be dismounted smoothly.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A gear disassembling tool clamp is used for disassembling a gear (301) to be disassembled installed on a direct current motor (300), the gear (301) to be disassembled is fixedly connected with a motor shaft (302) of the direct current motor (300) through a connecting pin (303), and the gear disassembling tool clamp is characterized by comprising a disassembling support (100), wherein the disassembling support (100) comprises a base (104), a support rod (103) is fixedly connected to the back of the top of the base (104), a disassembling device (200) is arranged at the top of the support rod (103), a clamping device (400) is arranged in the center of the top of the base (104), the clamping device (400) is used for clamping the direct current motors (300) with different sizes and models, and the disassembling device (200) and the vertical center line of the clamping device (400) are arranged in a superposition mode;

the dismounting device (200) comprises a threaded rotating rod (201), a lever (202) is inserted into the top of the threaded rotating rod (201), a thimble (205) is fixedly connected to the bottom of the threaded rotating rod (201), a reaction plate (203) is connected to the surface of the periphery of the threaded rotating rod (201) and close to the top in a bearing mode, the reaction plate (203) is of a C-shaped structure and is tightly attached to the top of the support rod (103), a sliding groove (101) is formed in the top of the support rod (103), the threaded rotating rod (201) is slidably connected to the inside of the sliding groove (101), the threaded rotating rod (201) is in threaded connection with the center of the top of the pulling sleeve (206), a clamping groove (207) is formed in the bottom of the pulling sleeve (206), the motor shaft (302) is clamped in the clamping groove (207), the bottom of the gear (301) to be dismounted is tightly attached to the bottom of the inner wall of the pulling sleeve (206), the bottom of the thimble (205) is tightly attached to the top of the motor shaft (302).

2. The gear disassembling tool clamp according to claim 1, wherein limiting grooves (204) are formed in the left side and the right side of the inner wall of the reaction plate (203), the support rod (103) is of an L-shaped structure, limiting blocks (102) are fixedly connected to the left side and the right side of the top of the support rod (103) and close to the front side of the top of the support rod, and the limiting blocks (102) are connected to the inside of the limiting grooves (204) in a sliding mode.

3. The gear disassembling tooling clamp according to claim 2, wherein the pulling sleeve (206) is of an oblong structure, the front surface and the back surface of the pulling sleeve are both provided with openings, and the bottom of the inner wall of the pulling sleeve (206) is provided with anti-skid threads.

4. The gear disassembling tooling clamp according to claim 1, wherein the clamping device (400) comprises a first clamping plate (401) and a second clamping plate (403) which are symmetrically arranged, the middle parts of the back surfaces of the first clamping plate (401) and the second clamping plate (403) are hinged to one ends of two connecting rods (404) respectively, the other ends of the two connecting rods (404) are hinged to the base (104), the left side and the right side of the first clamping plate (401) are hinged to one ends of two locking screws (407) respectively, the surface of each locking screw (407) is in threaded connection with a locking nut (405), locking grooves (406) are formed in the positions, corresponding to the locking screws (407), of the left side and the right side of the second clamping plate (403), the two locking screws (407) are clamped in the locking grooves (406) on the same side respectively, and the first clamping plate (401) and the second clamping plate (403) are fixedly connected through the two locking nuts (405) respectively And a second holding plate (403).

5. The gear disassembling tooling clamp according to claim 4, characterized in that the shapes of the first clamping plate (401) and the second clamping plate (403) are completely the same and are arc-shaped structures, and rubber pads (402) are fixedly connected to the clamping surfaces of the first clamping plate (401) and the second clamping plate (403).