CN212225265U

CN212225265U - Hydraulic support side guard plate locking device

Info

Publication number: CN212225265U
Application number: CN202020703729.6U
Authority: CN
Inventors: 郭广顺; 崔塬; 王瑞
Original assignee: Henan Energy Chemical Group Heavy Equipment Co ltd
Current assignee: Henan Energy Chemical Group Heavy Equipment Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-12-25
Anticipated expiration: 2030-04-30

Abstract

The utility model relates to a locking device for a side guard plate of a hydraulic support, which comprises a whole n-shaped clamp body and a locking unit arranged at the side edge of the clamp body, wherein the clamp body comprises a first clamp plate and a second clamp plate which are oppositely arranged, the first clamp plate and the second clamp plate are both in inverted L-shaped structures, and the short edge of the first clamp plate and the long edge of the second clamp plate are spliced and then are wholly clamped on an electro-hydraulic control valve in an n shape; the locking unit comprises a cross-shaped supporting column and two sliding blocks which are arranged on the supporting column at intervals up and down, the supporting column is located in a long edge of the first pressing plate, a first bolt penetrates through the position, corresponding to the button of the electro-hydraulic control valve, of each sliding block, and the sliding blocks are sleeved on the supporting column through the adjusting unit. The utility model has the advantages of simple structure and reasonable design, can adjust the electro-hydraulic control valve of card body size in order to satisfy different models, realize the adjustment of bolt position on the slider through the regulating unit simultaneously, guarantee that two bolts support respectively and press on two buttons of electro-hydraulic control valve, reached the effect that compresses tightly perpendicularly to the button, replaced the manpower effectively.

Description

Hydraulic support side guard plate locking device

Technical Field

The utility model relates to a coal mine equipment field, concretely relates to hydraulic support side guard plate locking device.

Background

The comprehensive mechanized coal mining is an important sign of coal mine coal mining technology progress and is an important means for increasing the yield and improving the labor efficiency of a coal mine. The core of the fully mechanized mining technology is fully mechanized mining equipment of a coal face, and the fully mechanized mining face is provided with three matched devices: the hydraulic support is one of main devices of a fully mechanized mining face, one difficulty of the design of the hydraulic support is to prevent the support from falling down and protect the safety of workers, the side guard plate is an important component of a hydraulic support protection system, the design of the locking mechanism is an important component in the design of the side guard plate of the hydraulic support, and the reasonable locking mechanism can improve the appearance of the hydraulic support and has a decisive effect on the effect of the side protection system of the hydraulic support.

The locking mechanism in the prior art adopts two longer pin shafts, and the two longer pin shafts directly penetrate through the cover plate, the spring cylinder and the spring guide rod to achieve the locking effect, in the actual operation process, one person is often required to operate the electro-hydraulic control valve below the support to enable the spring guide rod to be kept in a tightened state, the other person inserts the pin shaft into the spring guide rod at a high position to fix the spring guide rod, the operation is generally time-consuming and long-time due to the fact that the relation between the spring guide rod and the spring cylinder cannot be seen, the two buttons of the electro-hydraulic control valve are required to be pressed all the time in the whole process until the other person completes the locking, the manual operation is labor-consuming in a mode of pressing the two buttons of the electro-hydraulic control valve.

Disclosure of Invention

The utility model discloses a need the manpower to press two buttons of hydraulic control valve when solving present hydraulic support side guard plate locking, the operation is hard to there is the problem of certain potential safety hazard, provided a hydraulic support side guard plate locking device, replaced the manpower effectively through simple structure's mechanical device and pressed, reduced the human factor hidden danger.

In order to realize the purpose, the technical scheme of the utility model is that:

a locking device for a side guard plate of a hydraulic support comprises an overall n-shaped clamp body and a locking unit arranged on the side edge of the clamp body, wherein the clamp body comprises a first pressing plate and a second pressing plate which are oppositely arranged, the first pressing plate and the second pressing plate are both in inverted L-shaped structures, and the short edge of the first pressing plate and the long edge of the second pressing plate are spliced and then integrally clamped on an electro-hydraulic control valve in an n shape;

the locking unit comprises a cross-shaped supporting column and two sliding blocks which are arranged on the supporting column at intervals from top to bottom, the supporting column is located in a long edge of a first pressing plate, each sliding block is provided with a first bolt in a penetrating mode corresponding to the position of a button of the electro-hydraulic control valve, and the sliding blocks are sleeved on the supporting column through adjusting unit sleeves.

Furthermore, a long groove is formed in the center of the long edge of the first pressure plate in the vertical direction, and the strut is located in the long groove; the pillar comprises a vertical part and a horizontal part, the centers of which are crossed, the vertical part of the pillar is arranged on the left half part of the sliding block in a penetrating way through the adjusting unit, and the horizontal part of the pillar is fixedly connected with the wall of the long groove; and a first threaded hole for the first bolt to pass through is formed in the right half part of the sliding block along the horizontal direction.

Furthermore, a stepped hole is formed in the vertical part of the strut, two round holes are symmetrically formed in the large-diameter section of the stepped hole along the side face of the strut, and a steel ball is arranged in each round hole; the adjusting unit is located in a stepped hole of the vertical portion of the support column and comprises a spring, a first column body and a second column body, two ends of the spring are connected with the first column body and the second column body respectively, the lower end of the second column body is provided with two symmetrically arranged inclined planes, and each inclined plane is in contact with one steel ball.

Further, the left half part of the sliding block is provided with a square hole for the support column to penetrate through in the vertical direction, and the square hole is opposite to two side surfaces of the steel ball and is provided with a plurality of grooves which are uniformly distributed in the vertical direction.

Further, the inner wall of the small-diameter section of the stepped hole in the vertical part of the pillar is provided with threads, and the first column body is in threaded connection with the pillar.

Further, the diameter of the steel ball is larger than that of the round hole in the support.

Furthermore, the end part of the short side of the first pressing plate is inserted into the long side of the second pressing plate and is tightly pressed by a second bolt, and a second threaded hole for the second bolt to penetrate through is formed in the long side of the second pressing plate.

Through the technical scheme, the beneficial effects of the utility model are that:

1. the utility model has simple structure and reasonable design, can adjust the size of the clamp body to meet the electro-hydraulic control valves of different models, and improves the application range;

2. the adjusting unit is used for adjusting the position of the bolt on the sliding block, so that the two bolts are respectively supported and pressed on the two buttons of the electro-hydraulic control valve, the effect of vertically pressing the buttons is achieved, manpower is effectively replaced, the whole process that the pin shaft is inserted into the spring guide rod can be continuously and reliably pressed, and the hidden danger of human factors is reduced.

Drawings

Fig. 1 is a front view of the locking device for the side guard plate of the hydraulic support of the present invention.

Fig. 2 is a left side view of the locking device of the side guard plate of the hydraulic support of the present invention.

Fig. 3 is a schematic cross-sectional view of the locking device of the side guard plate of the hydraulic bracket of the present invention at B-B in fig. 1, in which the first pressing plate is not shown.

Fig. 4 is a schematic view of the use state of the locking device for the side guard plate of the hydraulic support of the present invention.

The reference numbers in the drawings are as follows: the device comprises a first pressing plate 1, a second pressing plate 2, a support 3, a sliding block 4, a first bolt 5, a steel ball 6, a spring 7, a first cylinder 8, a second cylinder 9 and a second bolt 10.

Detailed Description

The invention will be further explained with reference to the drawings and the detailed description below:

as shown in fig. 1 to 3, a hydraulic support side guard plate locking device comprises an overall n-shaped clamp body and a locking unit arranged on the side edge of the clamp body, wherein the clamp body comprises a first pressure plate 1 and a second pressure plate 2 which are oppositely arranged, the first pressure plate 1 and the second pressure plate 2 are both in inverted L-shaped structures, and the short edge of the first pressure plate 1 and the long edge of the second pressure plate 2 are spliced and then are integrally clamped on an electro-hydraulic control valve in an n shape; the end part of the short side of the first pressing plate 1 is inserted into the long side of the second pressing plate 2 and is tightly pressed by the second bolt 10, and the long side of the second pressing plate 2 is provided with a second threaded hole for the second bolt 10 to pass through.

Specifically, the locking unit includes cross pillar 3 and two sliders 4 that the interval set up on pillar 3 from top to bottom, and pillar 3 is located the long limit of clamp plate 1, and bolt 5 is worn to be equipped with in the position that corresponds the electro-hydraulic control valve button on every slider 4, and slider 4 overlaps through the regulating unit cover and establishes on pillar 3.

A long groove is formed in the center of the long edge of the first pressure plate 1 along the vertical direction, and the support 3 is located in the long groove; the pillar 3 comprises a vertical part and a horizontal part, the centers of which are crossed, the vertical part of the pillar 3 is arranged on the left half part of the sliding block 4 in a penetrating way through the adjusting unit, and the horizontal part of the pillar 3 is fixedly connected with the wall of the long groove; the right half part of the sliding block 4 is provided with a first threaded hole for a first bolt 5 to pass through along the horizontal direction.

In the embodiment, a stepped hole is formed in the vertical part of the pillar 3, two circular holes are symmetrically formed in the large-diameter section of the stepped hole along the side surface of the pillar 3, a steel ball 6 is arranged in each circular hole, and specifically, the diameter of each steel ball 6 is larger than that of the circular hole in the pillar 3; the adjusting unit is positioned in a stepped hole of the vertical part of the pillar 3, the adjusting unit comprises a spring 7, a first column body 8 and a second column body 9, two ends of the spring 7 are respectively connected with the first column body 8 and the second column body 9, the lower end of the second column body 9 is provided with two symmetrically arranged inclined planes, and each inclined plane is in contact with one steel ball 6; specifically, the left half part of the sliding block 4 is provided with a square hole for the support column 3 to pass through along the vertical direction, and two side surfaces of the square hole relative to the steel ball 6 are provided with a plurality of grooves which are uniformly distributed along the vertical direction.

In addition, the inner wall of the small-diameter section of the stepped hole in the vertical part of the pillar 3 is provided with threads, and the first column body 8 is in threaded connection with the pillar 3; it should be noted that, for convenience of assembly, a linear or cross-shaped groove may be formed at one end of the first column 8, so that a linear or cross-shaped screwdriver is convenient to screw the first column 8 into the pillar 3.

When the adjusting is needed, on one hand, the second bolt 10 can be loosened, the distance between the first pressing plate 1 and the second pressing plate 2 is adjusted according to the width size of the electro-hydraulic control valve, on the other hand, in an initial state, the elastic force of the spring 7 is converted into the pressure on the steel ball 6 through the second cylinder 9, the steel ball 6 protrudes out of the round hole in the support 3 to lock the sliding block 4, the sliding block 4 can be held by hands and exert external force on the sliding block 4, when the exerted external force is larger than the pressure on the steel ball 6 by the second cylinder 9, the steel ball 6 is retracted into the round hole in the support 3 and loosens the sliding block 4, the adjusting of the position of the first bolt 5 on the sliding block 4 is realized, when the external force disappears, the steel ball 6 protrudes out of the round hole in the support 3 again and is.

According to the type of the electro-hydraulic control valve, on one hand, the distance between a first pressing plate 1 and a second pressing plate 2 is preset, and on the other hand, the position of a first bolt 5 is adjusted in advance according to the distance between two buttons on the electro-hydraulic control valve; as shown in figure 4, when the novel spring guide rod pressing device is used, the pressing plate I1 and the pressing plate II 2 are spliced and integrally clamped on the electro-hydraulic control valve in an n shape, the two bolts I5 are respectively abutted against two buttons of the electro-hydraulic control valve, then the bolts I5 are rotated to achieve the effect of vertically pressing the buttons, manpower is effectively replaced, the spring guide rod can be continuously and reliably pressed in the whole process of inserting the pin shaft into the spring guide rod, and hidden danger of human factors is reduced.

The above embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the invention, so that equivalent changes and modifications made according to the structure, characteristics and principles of the present invention are all included in the scope of the present invention.

Claims

1. The locking device for the side guard plate of the hydraulic support is characterized by comprising an overall n-shaped clamp body and a locking unit arranged on the side edge of the clamp body, wherein the clamp body comprises a first pressing plate (1) and a second pressing plate (2) which are oppositely arranged, the first pressing plate (1) and the second pressing plate (2) are of inverted L-shaped structures, and the short edge of the first pressing plate (1) and the long edge of the second pressing plate (2) are spliced and then are integrally clamped on an electro-hydraulic control valve in an n shape;

the locking unit includes criss-cross pillar (3) and two sliders (4) of interval setting on pillar (3) from top to bottom, pillar (3) are located the long limit of clamp plate (1), every bolt (5) are worn to be equipped with to the position that corresponds the electro-hydraulic control valve button on slider (4), and slider (4) are established on pillar (3) through the regulating unit cover.

2. The hydraulic support side guard plate locking device as claimed in claim 1, wherein a long groove is formed in the center of the long edge of the first pressure plate (1) along the vertical direction, and the strut (3) is located in the long groove; the strut (3) comprises a vertical part and a horizontal part, the centers of the vertical part and the horizontal part are crossed, the vertical part of the strut (3) is arranged on the left half part of the sliding block (4) in a penetrating way through the adjusting unit, and the horizontal part of the strut (3) is fixedly connected with the wall of the long groove; and a first threaded hole for the first bolt (5) to pass through is formed in the right half part of the sliding block (4) along the horizontal direction.

3. The hydraulic support side guard plate locking device as claimed in claim 2, wherein a stepped hole is formed in the vertical part of the pillar (3), two circular holes are symmetrically formed in the large-diameter section of the stepped hole along the side surface of the pillar (3), and a steel ball (6) is arranged in each circular hole; the adjusting unit is located the shoulder hole of pillar (3) vertical part, and the adjusting unit includes spring (7), cylinder (8) and cylinder two (9), spring (7) both ends are connected with cylinder (8) and cylinder two (9) respectively, the lower extreme of cylinder two (9) has the inclined plane of two symmetry settings, and every inclined plane contacts with a steel ball (6).

4. The hydraulic support side guard plate locking device as claimed in claim 3, wherein the left half part of the sliding block (4) is provided with a square hole for the support column (3) to pass through along the vertical direction, and the square hole is provided with a plurality of grooves which are evenly distributed along the vertical direction relative to two side surfaces of the steel ball (6).

5. The hydraulic support skirt locking device according to claim 3, wherein the inner wall of the small diameter section of the stepped hole on the vertical part of the pillar (3) is provided with threads, and the first column body (8) is in threaded connection with the pillar (3).

6. The hydraulic support skirt locking device according to claim 3, wherein the diameter of the steel ball (6) is larger than the diameter of the circular hole on the pillar (3).

7. The hydraulic support side guard plate locking device as claimed in claim 1, wherein the end part of the short side of the first pressure plate (1) is inserted into the long side of the second pressure plate (2) and is pressed by the second bolt (10), and the long side of the second pressure plate (2) is provided with a second threaded hole for the second bolt (10) to pass through.