CN220097757U - Clamping mechanism and coal mine truck tire carrying device - Google Patents

Abstract

The utility model discloses a clamping mechanism and a coal mine truck tire carrying device, and relates to the technical field of unmanned dumpers. The device comprises a supporting component, a supporting component and a supporting component, wherein the supporting component comprises a framework and a telescopic rod, and the telescopic rod is arranged at one end of the framework; the driving assembly comprises an air cylinder which is arranged on the framework; the clamping assembly comprises a pushing piece, a withdrawing piece, a lifting piece and a connecting piece, wherein two sides of one end of the pushing piece are respectively connected with the air cylinder and the telescopic rod, the pushing piece and the withdrawing piece are sleeved on the framework, the connecting piece is arranged in the middle of the side wall of the framework, two ends of the connecting piece are connected with the pushing piece and the withdrawing piece, and the lifting piece is arranged on the pushing piece. The transportation assembly comprises a bearing piece, a weight piece and rollers, the supporting assembly is connected to one side of the bearing piece, the weight piece is arranged on the side wall of the bearing piece opposite to the supporting assembly, and the rollers are symmetrically arranged at the bottom of the bearing piece. The utility model solves the problems that the operation of the tire auxiliary clamping mechanism of the existing coal mine truck is inconvenient, and great effort is required to carry when the tire is maintained.

Description

Clamping mechanism and coal mine truck tire carrying device

Technical Field

The utility model relates to the technical field of unmanned dumpers, in particular to a clamping mechanism and a coal mine truck tire carrying device.

Background

Coal mines are a traditional heavy industry field with strict safety requirements and strict operation procedures. Truck tires are a critical component in the transportation of coal, which must withstand high loads and severe swings in various harsh environments.

Because truck tires in a mine are large in size, relatively large in weight and heavy in carrying and installing, auxiliary equipment or multiple persons are required to finish the carrying and installing, and the auxiliary equipment comprises a mechanism for auxiliary clamping of the tires, but the existing clamping mechanism is poor in adaptability in the clamping mechanism, inaccurate in positioning of the clamping mechanism, inconvenient in operation of the clamping mechanism and the like, and cannot cope with the problems of driving tires of different sizes, additional operations such as customization, adjustment and the like are required, so that additional time and cost are wasted; during tire replacement, maintenance personnel must work in small, unstable spaces while maintaining a proper distance from the moving truck tires, which increases the risk of injury to the maintenance personnel; the number of trucks in a coal mine is large, and each truck has a plurality of tires to be replaced, which means that the workload for dealing with the tire related problems can be very large, requiring more manpower and material resources.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.

The utility model is provided in view of the problems of inaccurate positioning and inconvenient operation of the clamping mechanism existing in the existing mining truck tire clamping mechanism.

It is therefore an object of the present utility model to provide a clamping mechanism which aims to move the clamping assemblies toward each other by a single cylinder drive, stably sandwiching the tire.

In order to solve the technical problems, the utility model provides the following technical scheme: the clamping mechanism comprises a supporting component, a framework and a telescopic rod, wherein the telescopic rod is arranged at one end of the framework; the driving assembly comprises an air cylinder, and the air cylinder is arranged on a side framework opposite to the telescopic rod; the clamping assembly comprises a pushing piece, a withdrawing piece, a lifting piece and a connecting piece, wherein two sides of one end of the pushing piece are respectively connected with an output shaft of the air cylinder and the telescopic rod, the pushing piece and the withdrawing piece are sleeved on the framework, the connecting piece is symmetrically arranged at the middle of the side wall of one end of the telescopic rod, two ends of the connecting piece are connected with the pushing piece and the withdrawing piece, and the lifting piece is arranged on the pushing piece.

As a preferred embodiment of the clamping mechanism of the present utility model, wherein: the pushing piece comprises a first connecting end, a first horizontal end and a first clamping end, wherein the first connecting end and the first clamping end are respectively and vertically connected to two ends of the first horizontal end, the other end of the first connecting end is connected with the air cylinder and the telescopic rod, and the first connecting end is further in sliding sleeve connection with the framework.

As a preferred embodiment of the clamping mechanism of the present utility model, wherein: the withdrawing piece comprises a second connecting end, a second horizontal end and a second clamping end, wherein the second connecting end and the second clamping end are respectively and vertically connected to two ends of the second horizontal end, the other end of the second connecting end is sleeved on a side framework opposite to the first horizontal end, and the length of the second horizontal end is larger than that of the first horizontal end.

As a preferred embodiment of the clamping mechanism of the present utility model, wherein: the lifting piece comprises a limit screw rod, a sliding piece and a lifting piece; the limiting screw rod is in threaded connection with the first horizontal end, one end of the sliding piece is sleeved on the limiting screw rod, the other end of the sliding piece is arranged in the first clamping end in a sliding manner, and the middle of the sliding piece is provided with an opening; the lifting piece comprises a limiting rod, a rotating rod and a sliding shovel, wherein the rotating rod is symmetrically arranged on the first horizontal end in a rotating mode, one end of the rotating rod is connected with the limiting rod, the other end of the rotating rod is connected with the sliding shovel, and the limiting rod penetrates through the sliding piece.

As a preferred embodiment of the clamping mechanism of the present utility model, wherein: the connecting piece includes rotation lever and slip external member, rotation lever symmetry articulates on the skeleton, slip external member cup joints the both ends at rotation lever, slip external member towards the one end of skeleton, with first horizontal end and second horizontal end hinge.

As a preferred embodiment of the clamping mechanism of the present utility model, wherein: the one end symmetry that first clamping end kept away from first horizontal end is provided with the stabilizer.

The utility model has the beneficial effects that:

the clamping assembly is driven to move through the air cylinder, the pushing piece is directly connected with the air cylinder and moves forwards in the same direction as the air cylinder, the withdrawing piece is connected with the pushing piece through the connecting piece, and based on the lever principle, the withdrawing piece can move reversely relative to the pushing piece to clamp the tire in the middle area of the pushing piece and the withdrawing piece, and the tire is prevented from being clamped unstably after the disassembly is completed through the contact with the largest area of the tire; the lifting piece can be inserted below the tire to lift the tire, so that manpower output is greatly reduced.

Another problem to be solved by the present utility model is: when the existing truck tire is maintained, the existing truck tire is large in size and heavy, and is large in quantity, so that the manual carrying and maintenance workload is very large.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a colliery truck tire handling device, this device includes foretell fixture, still includes transportation subassembly, including carrier, burden spare and gyro wheel, supporting component swing joint is on carrier one side lateral wall, the burden spare set up in on the lateral wall that carrier and supporting component are relative, the gyro wheel symmetry sets up in the bottom of carrier.

As a preferred embodiment of the present utility model, wherein: the bearing piece comprises a vertical plate and a horizontal plate, a chute is formed in the middle of the vertical plate, and one end, connected with the air cylinder, of the framework can be placed in the chute in a matched mode; the middle part of the horizontal plate is provided with a downward moving groove, and the clamping assembly can pass through the downward moving groove.

As a preferred embodiment of the present utility model, wherein: the air cylinder is characterized in that an adjusting screw is further connected to one end of the framework, which is connected with the air cylinder, in a threaded mode, an adjusting ring is arranged at the top of the adjusting screw, and the bottom of the adjusting screw is connected with the horizontal plate in an inserting mode.

As a preferred embodiment of the present utility model, wherein: the loading piece comprises a placement box body, wherein the placement box body is arranged on a vertical plate, and a plurality of groups of pressing blocks are arranged in the placement box body.

The utility model has the beneficial effects that:

the clamping mechanism is controlled to move up and down through the adjusting screw rod, so that the truck tire is lifted, the direct freehand tire carrying of a worker is avoided, and the labor can be saved; and the weight piece can ensure the balance of the whole device, so that the device is prevented from tilting in the carrying process due to the weight of the tire, and the rollers can enable a worker to push the device forwards in a very labor-saving manner.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being 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. Wherein:

fig. 1 is a schematic diagram of the overall structure of the clamping mechanism of the present utility model.

Fig. 2 is a view of the clamping mechanism according to the present utility model.

Fig. 3 is an enlarged view of a portion of the clamping mechanism of the present utility model.

FIG. 4 is a schematic view of the overall structure of the tire handling device for a coal mine truck according to the present utility model.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Further, in describing the embodiments of the present utility model in detail, the cross-sectional view of the device structure is not partially enlarged to a general scale for convenience of description, and the schematic is only an example, which should not limit the scope of protection of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

Example 1

Referring to fig. 1, for a first embodiment of the present utility model, there is provided a clamping mechanism comprising: the support assembly 100 comprises a framework 101 and a telescopic rod 102, wherein the telescopic rod 102 is arranged at one end of the framework 101; the driving assembly 200 comprises an air cylinder 201, wherein the air cylinder 201 is arranged on the side framework 101 opposite to the telescopic rod 102; the clamping assembly 300 comprises a pushing piece 301, a withdrawing piece 302, a lifting piece 303 and a connecting piece 304, wherein two sides of one end of the pushing piece 301 are respectively connected with an output shaft of the air cylinder 201 and the telescopic rod 102, the pushing piece 301 and the withdrawing piece 302 are sleeved on the framework 101, the connecting piece 304 is symmetrically arranged in the middle of the side wall of one end of the framework 101, which is connected with the telescopic rod 102, two ends of the connecting piece are connected with the pushing piece 301 and the withdrawing piece 302, and the lifting piece 303 is arranged on the pushing piece 301.

The structure of the framework 101 is preferably designed as a rectangular frame, the bottom of the air cylinder 201 is fixed on a frame at one shorter end of the rectangular framework 101, the telescopic rod 102 passes through the frame at the other shorter end, the telescopic rod 102 adopts a telescopic antenna structure similar to a sleeve in the prior art, the rest sleeve is stretched out by pushing the sleeve at the innermost layer, and the support column with a fixed length is connected at the most central position of the telescopic rod for pushing the telescopic rod 102; the pushing piece 301 and the withdrawing piece 302 are main working ends of the whole mechanism, and are connected through the connecting piece 304, so that synchronous movement is finally realized, and the lifting piece 303 is matched with the pushing piece 301 and the withdrawing piece 302 to be used for lifting the tire to a proper height and clamped by the pushing piece 301 and the withdrawing piece 302.

The materials of the support assembly 100 and the clamping assembly 300 are preferably steel materials, which have the characteristics of excellent strength, rigidity, shock resistance, durability and the like, so that the situation that breakage does not occur in the use process is ensured.

Example 2

Referring to fig. 1 to 3, a second embodiment of the present utility model is different from the first embodiment in that: the pushing member 301 includes a first connecting end 301a, a first horizontal end 301b and a first clamping end 301c, where the first connecting end 301a and the first clamping end 301c are respectively and vertically connected to two ends of the first horizontal end 301b, the other end of the first connecting end 301a is connected with the air cylinder 201 and the telescopic rod 102, the first connecting end 301a is further slidably sleeved on the framework 101, the position of the first connecting end 301a close to the lower side is designed into a sleeve structure, and can be sleeved on a longer frame of the rectangular framework 101, and the pushing member 301 can slide along the frame under the pushing of the air cylinder 201.

The retracting member 302 includes a second connecting end 302a, a second horizontal end 302b and a second clamping end 302c, where the second connecting end 302a and the second clamping end 302c are respectively and vertically connected to two ends of the second horizontal end 302b, and the other end of the second connecting end 302a is sleeved on the side frame 101 opposite to the first horizontal end 301b, and like the first connecting end 301a, the second horizontal end 302b also has a sleeve, so that the length of the retracting member 302 moving the second horizontal end 302b along the longer frame of the rectangular frame 101 is longer than that of the first horizontal end 301b, so that a certain length difference is formed between the middle parts of the first clamping end 301c and the second clamping end 302c, and the truck tire can be clamped inside.

The lifting member 303 includes a limit screw 303a, a sliding member 303b and a lifting member 303c; the limiting screw rod 303a is in threaded connection with the first horizontal end 301b, one end of the sliding piece 303b is sleeved on the limiting screw rod 303a, the other end of the sliding piece 303b is arranged in the first clamping end 301c in a sliding manner, a hole is formed in the middle of the sliding piece, a spring and a pushing block can be installed in the hole, when the limiting screw rod 303a is rotated to enable the limiting screw rod 303a to move up and down, a blocking mechanism is arranged at the top end of the limiting screw rod 303a, and the blocking mechanism pushes the sliding piece 303b to move up and down synchronously; the lifting member 303c comprises a limiting rod 303c-1, a rotating rod 303c-2 and a sliding shovel 303c-3, wherein the rotating rod 303c-2 is symmetrically and rotatably arranged on the first horizontal end 301b, one end of the rotating rod is connected with the limiting rod 303c-1, the other end of the rotating rod is connected with the sliding shovel 303c-3, the limiting rod 303c-1 penetrates through the sliding member 303b, and the limiting rod 303c-1 is driven when the sliding member 303b moves up and down. Moving, then prying the blade 303c-3 by rotating the lever 303c-2, and finally the blade 303c-3 can tilt or lower the tire.

The connecting piece 304 comprises a rotating lever 304a and a sliding sleeve piece 304b, the rotating lever 304a is symmetrically hinged on the framework 101, the sliding sleeve piece 304b is sleeved at two ends of the rotating lever 304a, preferably four groups are arranged in total, and the sliding sleeve piece 304b faces one end of the framework 101 and is hinged with the first horizontal end 301b and the second horizontal end 302 b.

The first clamping end 301c is provided with the stabilizing piece 301c-1 at one end far away from the first horizontal end 301b, the stabilizing piece 301c-1 can adopt a structure capable of being synchronously tightened or expanded, two ends of the stabilizing piece are provided with arc plates matched with the arc outer wall of the tire, when tires with different sizes are placed in the stabilizing piece, the arc plates can be adjusted to be attached to the tire, and the tire is prevented from falling down from the side face.

The rest of the structure is the same as that of embodiment 1.

Example 3

Referring to fig. 4, a third embodiment of the present utility model is different from the second embodiment in that a tire handling device for a coal mine truck is provided, and the device further includes a transportation assembly 400 including a carrier 401, a load-bearing member 402 and a roller 403, wherein the support assembly 100 is movably connected to a side wall of the carrier 401, the load-bearing member 402 is disposed on a side wall of the carrier 401 opposite to the support assembly 100, the roller 403 is symmetrically disposed at a bottom of the carrier 401, and the roller 403 is preferably a universal wheel, so as to push the device in any direction.

The bearing piece 401 comprises a vertical plate 401a and a horizontal plate 401b, a chute is formed in the middle of the vertical plate 401a, and one end, connected with the air cylinder 201, of the framework 101 can be placed in the chute in a matched mode; the middle part of the horizontal plate 401b is provided with a downward moving groove, and the clamping assembly 300 can pass through the downward moving groove.

The end of the framework 101 connected with the air cylinder 201 is also connected with an adjusting screw rod 101a in a threaded manner, the top of the adjusting screw rod 101a is provided with an adjusting ring 101a-1, the bottom of the adjusting screw rod is inserted into a horizontal plate 401b, the adjusting screw rod 101a is rotated, the height of the clamping mechanism is changed, and the lifting piece 303c is matched, so that the whole suspension of the tire can be ensured.

The weight 402 includes a placement box 402a, the placement box 402a is disposed on a vertical plate 401a, a plurality of groups of pressing blocks 402b are disposed therein, and the number and the specification of the pressing blocks 402b are flexibly replaced according to the weight of the tire to be actually handled.

The rest of the structure is the same as that of embodiment 2.

In use, referring to fig. 1-4, the device is pushed to the front of the tire to be carried, because the tire is just detached and is always standing, the tire is only required to be rolled into the clamping area between the first clamping end 301c and the second clamping end 302c from the side, then the adjusting screw rod 101a is controlled, the clamping mechanism is lowered, the sliding shovel 303c-3 in the lifting element 303 is ensured to be inserted under the tire, then the lifting element 303 is adjusted to lift the tire to a proper position, and the actuating cylinder 201 pushes the first connecting end 301a to move forwards, and at the moment, the first connecting end 301a drives the first horizontal end 301b and the first clamping end 301c to slide and move forwards on the framework 101.

The sliding sleeve 304b is further hinged to the side wall of the first horizontal end 301b, and can move along with the first horizontal end 301b, and the sliding sleeve 304b is further sleeved on the rotating lever 304a, when the sliding sleeve 304b moves, the rotating lever 304a hinged to the framework 101 deflects, the other end of the rotating lever moves in the opposite direction, so that the sliding sleeve 304b on the other side is driven to move, and the sliding sleeve 304b on the secondary side is hinged to the second horizontal end 302b, so that the whole retracting member 302 is driven to move in the opposite direction.

Further, the retracting member 302 moving in the opposite direction drives the second clamping end 302c to move, so that the situation that the second clamping end 302c moves in opposite directions to the first clamping end 301c occurs, and after the height of the truck tire inside is adjusted by the lifting member 303, the two end faces are clamped by the second clamping end 302c and the first clamping end 301c, at this time, the stabilizing member 301c-1 is adjusted again, so that the arc plate on the stabilizing member 301c-1 clamps the arc surface of the tire again, the tire can be fixed inside in multiple directions, at this time, the adjusting screw 101a is rotated to lift the clamping mechanism, and after the tire is suspended, the device is pushed to walk.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims (10)

1. A fixture, characterized in that: comprising the steps of (a) a step of,

the support assembly (100) comprises a framework (101) and a telescopic rod (102), wherein the telescopic rod (102) is arranged at one end of the framework (101);

a driving assembly (200) comprising a cylinder (201), wherein the cylinder (201) is arranged on a side framework (101) opposite to the telescopic rod (102);

clamping assembly (300), including impeller (301), withdrawal piece (302), lifting piece (303) and connecting piece (304), the one end both sides of impeller (301) are connected with cylinder (201) output shaft and telescopic link (102) respectively, just impeller (301) and withdrawal piece (302) all cup joint on skeleton (101), connecting piece (304) symmetry sets up in skeleton (101) are connected with telescopic link (102) one end lateral wall middle part, and its both ends are connected with impeller (301) and withdrawal piece (302), lifting piece (303) set up on impeller (301).

2. The clamping mechanism of claim 1, wherein: the pushing piece (301) comprises a first connecting end (301 a), a first horizontal end (301 b) and a first clamping end (301 c), the first connecting end (301 a) and the first clamping end (301 c) are respectively and vertically connected to two ends of the first horizontal end (301 b), the other end of the first connecting end (301 a) is connected with the air cylinder (201) and the telescopic rod (102), and the first connecting end (301 a) is further in sliding sleeve connection with the framework (101).

3. The clamping mechanism of claim 2, wherein: the withdrawing piece (302) comprises a second connecting end (302 a), a second horizontal end (302 b) and a second clamping end (302 c), wherein the second connecting end (302 a) and the second clamping end (302 c) are respectively and vertically connected to two ends of the second horizontal end (302 b), the other end of the second connecting end (302 a) is sleeved on a side framework (101) opposite to the first horizontal end (301 b), and the length of the second horizontal end (302 b) is larger than that of the first horizontal end (301 b).

4. A clamping mechanism according to claim 2 or 3, wherein: the lifting piece (303) comprises a limit screw rod (303 a), a sliding piece (303 b) and a lifting piece (303 c);

the limiting screw rod (303 a) is in threaded connection with the first horizontal end (301 b), one end of the sliding piece (303 b) is sleeved on the limiting screw rod (303 a), and the other end of the sliding piece is arranged in the first clamping end (301 c) in a sliding manner, and the middle of the sliding piece is provided with an opening;

the lifting piece (303 c) comprises a limiting rod (303 c-1), a rotating rod (303 c-2) and a sliding shovel (303 c-3), the rotating rod (303 c-2) is symmetrically arranged on the first horizontal end (301 b) in a rotating mode, one end of the rotating rod is connected with the limiting rod (303 c-1), the other end of the rotating rod is connected with the sliding shovel (303 c-3), and the limiting rod (303 c-1) penetrates through the sliding piece (303 b).

5. A clamping mechanism according to claim 3, wherein: the connecting piece (304) comprises a rotating lever (304 a) and a sliding sleeve (304 b), the rotating lever (304 a) is symmetrically hinged to the framework (101), the sliding sleeve (304 b) is sleeved at two ends of the rotating lever (304 a), and the sliding sleeve (304 b) faces one end of the framework (101) and is hinged to the first horizontal end (301 b) and the second horizontal end (302 b).

6. A clamping mechanism according to any one of claims 2, 3 and 5, wherein: the first clamping end (301 c) is symmetrically provided with a stabilizing piece (301 c-1) at one end far away from the first horizontal end (301 b).

7. The utility model provides a colliery truck tire handling device which characterized in that: comprising a clamping mechanism according to any of claims 1-6, further comprising,

the transportation assembly (400) comprises a bearing piece (401), a load piece (402) and rollers (403), wherein the supporting assembly (100) is movably connected to one side wall of the bearing piece (401), the load piece (402) is arranged on the opposite side wall of the bearing piece (401) and the supporting assembly (100), and the rollers (403) are symmetrically arranged at the bottom of the bearing piece (401).

8. The coal mining truck tire handling device of claim 7, wherein: the bearing piece (401) comprises a vertical plate (401 a) and a horizontal plate (401 b), a chute is formed in the middle of the vertical plate (401 a), and one end, connected with the air cylinder (201), of the framework (101) can be placed in the chute in a matched mode;

the middle part of the horizontal plate (401 b) is provided with a downward moving groove, and the clamping assembly (300) can pass through the downward moving groove.

9. The coal mining truck tire handling device of claim 8, wherein: one end of the framework (101) connected with the air cylinder (201) is further connected with an adjusting screw rod (101 a) in a threaded mode, an adjusting ring (101 a-1) is arranged at the top of the adjusting screw rod (101 a), and the bottom of the adjusting screw rod is connected with the horizontal plate (401 b) in an inserting mode.

10. The coal mine truck tire handling device of claim 8 or 9, wherein: the load piece (402) comprises a placement box body (402 a), wherein the placement box body (402 a) is arranged on a vertical plate (401 a), and a plurality of groups of pressing blocks (402 b) are arranged in the placement box body.