CN214213668U - Portable coal mine mechanical dismounting device - Google Patents

Abstract

The utility model discloses a portable coal mine machinery dismounting device, which comprises a mounting bas, the middle part of mount pad is run through from top to bottom and is equipped with the thread groove, thread groove female connection has the screw thread ejector pin, the groove has been seted up on the top of screw thread ejector pin, it has the extension bar to slide in the extension bar, the upper end fixedly connected with handle of extension bar, the screw thread ejector pin is close to and is equipped with the locking mechanism who is used for fixed extension bar on the lateral wall on top, follow its circumference equidistant four mounting grooves of having seted up on the lateral wall of mount pad, the mounting inslot is connected with grabs power mechanism. The utility model discloses simple structure, use convenient, not only the practicality is strong, and easily carries for dismantle laborsaving high-efficient, be worth using widely in colliery machinery dismounting device field.

Description

Portable coal mine mechanical dismounting device

Technical Field

The utility model relates to a coal mine machinery technical field especially relates to a portable coal mine machinery dismounting device.

Background

In the middle of the coal mine machinery, a motor belt pulley is often needed, and the position of the coal mine machinery needs to be carried frequently, so that the stator, the rotor and various gears in the motor need to be detached frequently from the shaft. Now, for disassembling the gear and the shaft, a tool called a puller is used.

However, the size of the puller tool is large, the structure of the puller tool is fixed, and the puller tool is inconvenient to store and carry, so that the puller tool is poor in portability and inconvenient to use, and therefore a portable coal mine mechanical dismounting device needs to be designed at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a portable coal mine mechanical dismounting device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a portable colliery machinery dismounting device, includes the mount pad, the middle part of mount pad is run through from top to bottom and is equipped with the thread groove, thread groove internal thread is connected with the screw thread ejector pin, the groove has been seted up on the top of screw thread ejector pin, it has the extension bar to slide in the groove to peg graft, the upper end fixedly connected with handle of extension bar, be equipped with the locking mechanism who is used for fixed extension bar on the lateral wall that the screw thread ejector pin is close to the top, follow its circumference equidistant four mounting grooves of having seted up on the lateral wall of mount pad, the mounting groove in-connection has the grappling mechanism.

Preferably, locking mechanism is including the fixed ring of fixed cup joint on the screw ejector pin, run through on the solid fixed ring's the lateral wall and be equipped with the locking bolt, locking bolt and the solid fixed ring threaded connection of solid, the locking bolt runs through to stretching out inslot side and offsets with the projecting bar.

Preferably, the grabbing mechanism comprises a pulling claw, one end of the pulling claw is located on the inner side of the mounting groove and penetrates through the mounting groove to be provided with a rotating shaft, the rotating shaft is connected with the pulling claw in a rotating mode, two ends of the rotating shaft are fixedly connected to the inner wall of the mounting groove, and a hook groove is formed in the side wall of one end, far away from the mounting groove, of the pulling claw.

Preferably, the cross sections of the extension bar and the extension groove are of mutually matched rectangular structures.

Preferably, the outer side wall of the mounting seat is provided with external threads, and the outer side of the mounting seat is sleeved with a limiting sleeve in a threaded manner.

Preferably, the lower end of the threaded ejector rod is rotatably sleeved with a rubber head.

The utility model has the advantages that:

through setting up the power of grabbing mechanism, the screw thread ejector pin when needs are dismantled wheel and axle, will draw the hook groove of claw to catch on the marginal tooth of gear and fix, through offsetting the tip of screw thread ejector pin and axle, make the screw thread ejector pin ejecting forward with the axial through rotating the screw thread ejector pin, can make the gear break away from the axle and accomplish the dismantlement, convenient operation, swift.

Through setting up stretch out groove, stretch out bar, handle, locking mechanism, when using the device, only need upwards pull out the stretch out bar to will stretch out the locking of pole through the locking bolt and fix, can use, and when not using, can accomodate the stretch out bar to stretching out the inslot, and then effectively reduce the space and occupy more portablely.

Through setting up the stop collar, when not using the device, the accessible rotates the stop collar and moves down, can carry out spacing fixed with drawing the claw, and then guarantees to keep carrying in drawing the claw and can not throw away, changes and carry.

Through setting up the rubber head, avoid causing wearing and tearing to damage through rubber head contact axle head.

The utility model discloses simple structure, use convenient, not only the practicality is strong, and easily carries for dismantle laborsaving high-efficient, be worth using widely in colliery machinery dismounting device field.

Drawings

Fig. 1 is a schematic structural view of a portable coal mine mechanical dismounting device provided by the utility model;

fig. 2 is a schematic view of a connection structure between a pulling claw and a mounting seat of the portable coal mine mechanical dismounting device provided by the utility model;

fig. 3 is the utility model provides a portable colliery machinery dismounting device's screw thread ejector pin and the connection structure sketch map of stretching out the pole.

In the figure: the device comprises a mounting seat 1, a pulling claw 2, a threaded mandril 3, a rubber head 4, a limiting sleeve 5, a fixing ring 6, a locking bolt 7, an extension rod 8, a handle 9, a mounting groove 10, a hook groove 11, a rotating shaft 12, a threaded groove 13 and an extension groove 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a portable coal mine machinery dismounting device, including mount pad 1, run through from top to bottom at the middle part of mount pad 1 and be equipped with thread groove 13, thread groove 13 internal thread connection has screw ejector pin 3, screw ejector pin 3's top has been seted up and has been stretched out groove 14, it has extension bar 8 to slide the grafting in the groove 14 to stretch out, the upper end fixedly connected with handle 9 of extension bar 8, extension bar 8 is the rectangle structure of mutual adaptation with the cross-section that stretches out groove 14, be equipped with the locking mechanism who is used for fixed extension bar 8 on the lateral wall that screw ejector pin 3 is close to the top, along its circumference equidistant four mounting grooves 10 of having seted up on the lateral wall of mount pad 1, the mounting groove 10 in-connection has the power of grabbing mechanism.

The utility model discloses in, locking mechanism is including fixed solid fixed ring 6 of cup jointing on screw ejector pin 3, runs through on solid fixed ring 6's the lateral wall and is equipped with locking bolt 7, locking bolt 7 and solid fixed ring 6 threaded connection, and locking bolt 7 runs through to stretching out 14 inboards and offsets with extension bar 8 in the groove.

Concretely, the grabbing mechanism is including drawing claw 2, the one end that draws claw 2 is located mounting groove 10 inboard and runs through and is equipped with pivot 12, pivot 12 with draw claw 2 to rotate and be connected, the equal fixed connection in both ends of pivot 12 is on the inner wall of mounting groove 10, draw claw 2 to keep away from the one end lateral wall of mounting groove 10 on seted up hook groove 11, when needs are dismantled with the axle with the wheel, hook groove 11 that will draw claw 2 catches on the edge tooth of gear fixes, through offsetting the tip of screw thread ejector pin 3 with the axle, make screw thread ejector pin 3 ejecting before with the axial through rotating screw thread ejector pin 3, can make the gear break away from the axle and accomplish the dismantlement.

Further, be equipped with the external screw thread on 1 lateral wall of mount pad, 1 outside screw thread of mount pad has cup jointed stop collar 5, and the accessible rotates stop collar 5 and moves down, can carry out spacing fixed with drawing claw 2, and then guarantees to keep drawing claw 2 in carrying and can not throw away, changes and carry.

Further, the lower extreme of screw ejector pin 3 rotates and has cup jointed rubber head 4, avoids causing wearing and tearing to damage through rubber head 4 contact axle head.

The utility model discloses during the use, pull out 8 upwards extension bars, and it is fixed with 8 locks of extension bars through locking bolt 7, hook groove 11 that will draw claw 2 catches on the edge tooth of gear and fixes, tip through with screw ejector pin 3 and axle offsets, it is ejecting forward with the axial to make screw ejector pin 3 through rotating screw ejector pin 3, can make the gear break away from the axle and accomplish the dismantlement, and when not using, can accomodate extension bar 8 to the extension groove 14 in, and then effectively reduce the space and occupy more portablely, the accessible rotates stop collar 5 and moves down, can carry out spacing fixed with drawing claw 2, and then guarantee to keep carrying in draw claw 2 and can not throw away from.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a portable colliery machinery dismounting device, includes mount pad (1), its characterized in that, run through from top to bottom at the middle part of mount pad (1) and be equipped with thread groove (13), thread groove (13) female connection has screw ejector pin (3), stretch out groove (14) have been seted up on the top of screw ejector pin (3), it has extension bar (8) to slide the grafting in groove (14) to stretch out, the upper end fixedly connected with handle (9) of extension bar (8), screw ejector pin (3) are close to and are equipped with the locking mechanism who is used for fixed extension bar (8) on the lateral wall on top, four mounting grooves (10) have been seted up along its circumference equidistant on the lateral wall of mount pad (1), the in-connection of mounting groove (10) has the power of grabbing mechanism.

2. The portable coal mine mechanical dismounting device according to claim 1, wherein the locking mechanism comprises a fixing ring (6) fixedly sleeved on the threaded mandril (3), a locking bolt (7) penetrates through the side wall of the fixing ring (6), the locking bolt (7) is in threaded connection with the fixing ring (6), and the locking bolt (7) penetrates through the inner side of the extension groove (14) and abuts against the extension rod (8).

3. The portable coal mine mechanical dismounting device according to claim 1, wherein the gripping mechanism comprises a pulling claw (2), one end of the pulling claw (2) is located inside the mounting groove (10) and penetrates through a rotating shaft (12), the rotating shaft (12) is rotatably connected with the pulling claw (2), both ends of the rotating shaft (12) are fixedly connected to the inner wall of the mounting groove (10), and a hook groove (11) is formed in the side wall of one end, away from the mounting groove (10), of the pulling claw (2).

4. A portable coal mine mechanical dismantling device as claimed in claim 1 and characterised in that the cross-sections of the projecting rod (8) and the projecting groove (14) are of mutually adapted rectangular configuration.

5. The portable coal mine mechanical dismounting device according to claim 1, characterized in that an external thread is arranged on the outer side wall of the mounting seat (1), and a limit sleeve (5) is sleeved on the outer side of the mounting seat (1) in a threaded manner.

6. The portable coal mine mechanical dismounting device according to claim 1, characterized in that the lower end of the threaded mandril (3) is rotatably sleeved with a rubber head (4).

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