CN216198075U

CN216198075U - Square head bending pull rod of split type coal mining machine

Info

Publication number: CN216198075U
Application number: CN202122451308.6U
Authority: CN
Inventors: 李文君; 李亭谕
Original assignee: Shenyang Jixi Coal Machinery Equipment Manufacturing Co ltd
Current assignee: Shenyang Jixi Coal Machinery Equipment Manufacturing Co ltd
Priority date: 2021-10-12
Filing date: 2021-10-12
Publication date: 2022-04-05
Anticipated expiration: 2031-10-12

Abstract

The utility model discloses a split type square-head bending pull rod of a coal mining machine, which comprises a rod body and a square-head nut, wherein the square-head nut is connected to the end part of one end of the rod body, a protective sleeve is sleeved on the rod body, a plurality of connecting mechanisms are arranged on the protective sleeve, one end of the rod body is arranged in a bent mode, a first thread is arranged at the end part of one end, which is arranged in a bent mode, of the rod body, a second thread is arranged at one end, which is far away from the bent mode, of the rod body, a plurality of first welding grooves are formed in the root part of the second thread, a third thread which is the same as the second thread is arranged on the inner wall of a middle hole of the square-head nut, and a plurality of second welding grooves are formed in the outer side wall of the square-head nut. The anti-skidding sleeve is reasonable in structural design, the rod body and the square-head nut are arranged, so that the anti-skidding sleeve can be processed respectively, and then assembled after processing is finished, the anti-skidding sleeve is convenient to process, waste of materials is reduced, and the anti-skidding sleeve for protecting the rod body is convenient to replace.

Description

Square head bending pull rod of split type coal mining machine

Technical Field

The utility model relates to the technical field of coal mining machine parts, in particular to a square-head bending pull rod of a split type coal mining machine.

Background

The coal mining machine pull rod is a key part for connecting the left traction part, the electric cabinet and the right traction part of the coal mining machine, the service performance of the coal mining machine is influenced by the quality of the part, the pull rod is a main part for connecting the machine body of the coal mining machine, and the square-head bent pull rod is also one of the coal mining machine pull rods.

Among the prior art, the square head and the pull rod of the curved pull rod of coal-winning machine square head are as an organic whole, the size of square head will be more than middle pull rod and get the size a lot more, so must according to the size unloading of square head in whole unloading, cause the in-process of processing to waste a lot of materials, processing is also difficult, and generally the cover is equipped with the lag in order to protect the pull rod on the pull rod, but the one end of pull rod is crooked setting, when the lag takes place the damage, be difficult to dismantle the damaged lag and get off and change, for this reason we have designed the curved pull rod of a split type coal-winning machine square head and have solved above problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that in the prior art, the square head of a square head bending pull rod of a coal mining machine is integrated with a pull rod, the size of the square head is much larger than that of a middle pull rod, so that blanking is carried out according to the size of the square head during integral blanking, a lot of materials are wasted in the processing process, the processing is difficult, a protective sleeve is generally sleeved on the pull rod to protect the pull rod, one end of the pull rod is arranged in a bent mode, and when the protective sleeve is damaged, the damaged protective sleeve is difficult to disassemble and replace.

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

the utility model provides a curved pull rod of split type coal-winning machine square head, includes the body of rod and square head nut, the one end tip at the body of rod is connected to the square head nut, the cover is equipped with the lag on the body of rod, be equipped with a plurality of coupling mechanism on the lag.

Preferably, one end of the rod body is in a bent arrangement, and a first thread is arranged at the end part of the bent end of the rod body.

Preferably, the one end that the body of rod kept away from the crooked setting is equipped with the second screw thread, the root of second screw thread is equipped with a plurality of first welding grooves.

Preferably, the inner wall of the middle hole of the square-head nut is provided with a third thread which is the same as the second thread, and the outer side wall of the square-head nut is provided with a plurality of second welding grooves.

Preferably, coupling mechanism includes fixed block and the card frame of fixed mounting on the lag, it is connected with the threaded rod to rotate on the fixed block, threaded connection has the installation piece on the threaded rod, the installation piece runs through the card frame and rather than sliding connection, the mounting groove has been seted up on the installation piece, sliding connection has the trapezoidal piece in the mounting groove, the lateral wall of trapezoidal piece offsets with the lateral wall of card frame, fixedly connected with spring between the inner wall of trapezoidal piece and mounting groove, fixedly connected with pull rod on the trapezoidal piece, the pull rod runs through the installation piece and rather than sliding connection.

Preferably, the rotating end sleeve of the threaded rod is provided with an anti-slip sleeve, and anti-slip lines are arranged on the anti-slip sleeve.

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

1. through setting into two parts of body of rod and square head nut, make it can process respectively, assemble again after finishing processing, reduce the waste of material when being convenient for process.

2. Through coupling mechanism's setting, the lag of the convenient protection body of rod is changed.

In conclusion, the anti-skidding sleeve is reasonable in structural design, the rod body and the square-head nut are arranged to be processed respectively, and then the anti-skidding sleeve is assembled after the processing is finished, so that the anti-skidding sleeve is convenient to process, waste of materials is reduced, and the anti-skidding sleeve for protecting the rod body is convenient to replace.

Drawings

Fig. 1 is a schematic structural diagram of a bending pull rod of a square head of a split coal mining machine according to the present invention;

FIG. 2 is a schematic diagram of the separation between the rod body and the square-headed nut;

fig. 3 is an enlarged view of a structure in fig. 1.

In the figure: the welding rod comprises a rod body 1, a square-head nut 2, a first thread 3, a second thread 4, a first welding groove 5, a protective sleeve 6, a fixed block 7, a clamping frame 8, a threaded rod 9, a mounting block 10, a mounting groove 11, a trapezoidal block 12, a pull rod 13, a spring 14 and a second welding groove 15.

Detailed Description

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

Referring to fig. 1-3, a split type square head bending pull rod of a coal mining machine comprises a rod body 1 and a square head nut 2, which are respectively processed by arranging the rod body 1 and the square head nut 2, and then assembled after processing, so that the processing is facilitated, and the waste of materials is reduced, one end of the rod body 1 is in a bent arrangement, one end part of the rod body 1 in the bent arrangement is provided with a first thread 3, one end of the rod body 1 away from the bent arrangement is provided with a second thread 4, the root part of the second thread 4 is provided with a plurality of first welding bevels 5, the square head nut 2 is connected with one end part of the rod body 1, the inner wall of a middle hole of the square head nut 2 is provided with a third thread which is the same as the second thread 4, the outer side wall of the square head nut 2 is provided with a plurality of second welding bevels 15, a protective sleeve 6 is arranged on the rod body 1, and a plurality of connecting mechanisms are arranged on the protective sleeve 6, the connecting mechanism comprises a fixed block 7 and a clamping frame 8 which are fixedly arranged on the protective sleeve 6, a threaded rod 9 is rotatably connected on the fixed block 7, an anti-slip sleeve is sleeved at the rotating end of the threaded rod 9, anti-slip lines are arranged on the anti-slip sleeve, an installation block 10 is in threaded connection on the threaded rod 9, the inner wall of the clamping frame 8 and the installation block 10 are both in square arrangement, the size of the installation block 10 is slightly smaller than that of the inner wall of the clamping frame 8, so that the installation block 10 can slide on the inner wall of the clamping frame 8 and cannot rotate, the installation block 10 penetrates through the clamping frame 8 and is in sliding connection with the clamping frame, an installation groove 11 is formed in the installation block 10, a trapezoidal block 12 is in sliding connection in the installation groove 11, the side wall of the trapezoidal block 12 abuts against the side wall of the clamping frame 8, a spring 14 is fixedly connected between the trapezoidal block 12 and the inner wall of the installation groove 11, a pull rod 13 is fixedly connected on the trapezoidal block 12, the pull rod 13 penetrates through the installation block 10 and is in sliding connection with the installation block, through coupling mechanism's setting, conveniently change the lag 6 of the protection body of rod 1.

The utility model can be illustrated by the following operating modes:

when the connection between the rod body 1 and the square-head nut 2 needs to be realized, firstly, an operator aligns the end part of the rod body 1 provided with the second thread 4 with the middle hole on the square-head nut 2 to enable the end part to be abutted against the middle hole, then rotates the square-head nut 2 to enable the square-head nut 2 to rotate and be connected with the end part of the rod body 1, when the square-head nut 2 is completely screwed into the rod body 1, then a welding machine is used for welding the first welding groove 5 on the rod body 1 and the square-head nut 2 together, then the protection sleeve 6 is sleeved on the rod body 1, the installation block 10 on the protection sleeve 6 is inserted into the corresponding clamping frame 8, the clamping frame 8 extrudes the inclined surface of the trapezoidal block 12 to drive the trapezoidal block 12 to slide into the installation groove 11, when the trapezoidal block 12 completely passes through the clamping frame 8, the trapezoidal block 12 is reset under the action of the elastic force of the spring 14, then the threaded rod 9 is rotated, the threaded rod 9 drives the installation block 10 to slide downwards in the clamping frame 8, when installation piece 10 slided downwards, pulling through trapezoidal piece 12 drives card frame 8 and slides downwards, make the both ends lateral wall of lag 6 support tightly gradually, rotate other threaded rod 9 according to above-mentioned method, make lag 6 tightly overlap and establish on the body of rod 1, when lag 6 appears the damage, reverse rotation threaded rod 9, trapezoidal piece 12 on messenger's installation piece 10 breaks away from supporting tightly to card frame 8, then pulling pull rod 13, make trapezoidal piece 12 slide into in mounting groove 11, take installation piece 10 out again, take other installation piece 10 out from card frame 8 according to above-mentioned method, can dismantle lag 6 and get off and change.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a curved pull rod of split type coal-winning machine square head, includes the body of rod (1) and square head nut (2), its characterized in that, the one end tip at the body of rod (1) is connected in square head nut (2), the cover is equipped with lag (6) on the body of rod (1), be equipped with a plurality of coupling mechanism on lag (6).

2. The split shearer square head bending pull rod according to claim 1, wherein one end of the rod body (1) is arranged in a bent manner, and the end part of the bent end of the rod body (1) is provided with a first thread (3).

3. The split shearer square-head bending draw bar according to claim 1, wherein one end of the bar body (1) far away from the bending arrangement is provided with a second thread (4), and the root of the second thread (4) is provided with a plurality of first welding bevels (5).

4. The split shearer square-head bending pull rod according to claim 3, wherein the inner wall of the middle hole of the square-head nut (2) is provided with a third thread identical to the second thread (4), and the outer side wall of the square-head nut (2) is provided with a plurality of second welding bevels (15).

5. The split shearer square-head bending pull rod of claim 1, the connecting mechanism comprises a fixed block (7) and a clamping frame (8) which are fixedly arranged on the protective sleeve (6), a threaded rod (9) is rotatably connected on the fixed block (7), an installation block (10) is in threaded connection on the threaded rod (9), the mounting block (10) penetrates through the clamping frame (8) and is connected with the clamping frame in a sliding way, a mounting groove (11) is arranged on the mounting block (10), a trapezoidal block (12) is connected in the mounting groove (11) in a sliding way, the side wall of the trapezoidal block (12) is propped against the side wall of the clamping frame (8), a spring (14) is fixedly connected between the trapezoidal block (12) and the inner wall of the mounting groove (11), the trapezoidal block (12) is fixedly connected with a pull rod (13), and the pull rod (13) penetrates through the mounting block (10) and is in sliding connection with the mounting block.

6. The split type square head bending pull rod for the coal mining machine according to claim 5, wherein the rotating end sleeve of the threaded rod (9) is provided with an anti-slip sleeve, and the anti-slip sleeve is provided with anti-slip lines.