CN216477402U

CN216477402U - Mine single hydraulic prop

Info

Publication number: CN216477402U
Application number: CN202123132973.5U
Authority: CN
Inventors: 李红妍
Original assignee: Tangshan Shengde Equipment Manufacturing Co ltd
Current assignee: Tangshan Shengde Equipment Manufacturing Co ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-05-10
Anticipated expiration: 2031-12-14

Abstract

The utility model discloses a mine hydraulic prop, include: the cylinder body is installed on the inner side of the protective box through screws, and a reinforcing rod is welded on the inner side wall of the protective box; the box door is arranged on the front side of the protective box through a hinge shaft; the pressure dispersion frame is welded at the bottom of the protection box; the piston rod is arranged above the cylinder body in a telescopic mode; the supporting head is screwed at the top of the piston rod, and a reinforcing supporting piece is welded below the supporting head. Through the setting of strengthening support piece, promoted the holding power of supporting the head, through the setting of pressure dispersion frame, can disperse the pressure of hydraulic prop bottom alone.

Description

Mine single hydraulic prop

Technical Field

The utility model relates to a pillar field, concretely relates to mine hydraulic prop.

Background

The single hydraulic prop is a commonly used support tool in mine construction, and is a single flexible prop which generates working resistance by using hydraulic pressure and realizes prop lifting and unloading. The single hydraulic prop is mainly divided into a suspension type, a double-telescopic suspension type, a DN internal injection type and a glass fiber reinforced plastic single hydraulic prop.

When the single hydraulic prop is used for supporting, the pressure of the top and the pressure of the bottom are concentrated, the pressure of the top is concentrated, the supporting head has to have good supporting force, and the pressure of the bottom is concentrated, so that the contact surface of the bottom is easy to dent.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defects or shortcomings in the prior art, it is desirable to provide a mine single hydraulic prop, which can improve the supporting force of the supporting head and disperse the pressure at the bottom of the single hydraulic prop.

According to the utility model provides a technical scheme, a mine hydraulic prop, include: the cylinder body is installed on the inner side of the protective box through screws, and a reinforcing rod is welded on the inner side wall of the protective box; the cross section of the reinforcing rod is of an X-shaped structure, a hydraulic fluid joint is arranged on the left side of the cylinder body and is positioned on the inner side of the protective box, and the box door is arranged on the front side of the protective box through a hinge shaft; the top of the protection box is of an open structure, matched bolt assemblies are mounted on the front side of the protection box and the front side of the box door through screws a, a handle and a pressure dispersion frame are mounted on the front side of the box door through screws b, and the pressure dispersion frame is welded at the bottom of the protection box; the pressure dispersion frame comprises a base and a horizontal dispersion rod, the horizontal dispersion rod is welded on the side face of the base, and a piston rod is telescopically mounted above the cylinder body; the support head is screwed on the top of the piston rod, a reinforcing support piece is welded below the support head and comprises a support block and a screw joint sleeve, the screw joint sleeve is welded below the support block, a thread pair matched with the screw joint sleeve is arranged on the top of the piston rod, the reinforcing support piece comprises a support column and an extension plate, the extension plate is welded on the side face of the screw joint sleeve, and the support column is welded between the extension plate and the support block.

To sum up, the utility model has the advantages that: through the setting of strengthening support piece, promoted the holding power of supporting the head, through the setting of pressure dispersion frame, can disperse the pressure of hydraulic prop bottom alone.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the expanded structure of the present invention;

fig. 3 is a schematic view of the three-dimensional structure of the pressure dispersing frame of the present invention.

Reference numbers in the figures: 1. a cylinder body; 2. a protective box; 3. a reinforcing rod; 4. a box door; 5. a pressure dispersion rack; 6. a piston rod; 7. a support head; 8. a reinforcing support; 9. a handle; 10. a horizontal dispersion rod; 11. bracing columns; 12. an extension plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

A mine single hydraulic prop is characterized in that as shown in figures 1 and 2, the left side of a cylinder body 1 is provided with a hydraulic liquid joint, and the hydraulic liquid joint is positioned on the inner side of a protective box 2 and can simultaneously protect the cylinder body 1 and the hydraulic liquid joint. The top of the protection box 2 is of an open structure, the front side of the protection box 2 and the front side of the box door 4 are provided with matched bolt assemblies through screws a, and the box door 4 is installed, so that the follow-up maintenance of the single hydraulic prop is facilitated.

As shown in fig. 1, 2 and 3, the cross section of the reinforcing rod 3 is of an X-shaped structure, so that the protection capability of the protective box 2 is enhanced, and the handle 9 is mounted on the front side of the box door 4 through a screw b, so that the box door 4 can be conveniently opened and closed. The pressure dispersion frame 5 comprises a base and horizontal dispersion rods 10, wherein the horizontal dispersion rods 10 are welded on the side surfaces of the base, and can horizontally disperse the pressure at the bottom.

As shown in fig. 1 and 2, the support head 7 includes a support block and a screw sleeve, the screw sleeve is welded below the support block, and the top of the piston rod 6 is provided with a screw pair engaged with the screw sleeve, which facilitates the disassembly and assembly of the support head 7. The reinforcing support member 8 comprises a supporting column 11 and an extending plate 12, the extending plate 12 is welded on the side surface of the screw sleeve, the supporting column 11 is welded between the extending plate 12 and the supporting block, and the supporting force of the supporting head 7 is improved.

When in use: firstly, the pressure dispersion frame 5 is placed on the ground, then the height of the piston rod 6 is adjusted, so that the supporting head 7 is supported below the supported object, the reinforcing support piece 8 can improve the supporting force of the supporting head 7, the horizontal dispersion rod 10 of the pressure dispersion frame 5 can horizontally disperse the pressure at the bottom, and in the using process of the single hydraulic prop, the protection box 2 can simultaneously protect the cylinder body 1 and the hydraulic liquid joint, the cylinder body 1 and the hydraulic liquid joint can be prevented from being damaged by external objects, and the arrangement of the reinforcing rod 3 improves the protection capability of the protection box 2.

The utility model discloses can also include the illumination lamp area, the illumination lamp area bonds the side of protective housing 2 for protective housing 2 has not only possessed the function of protection, can also be when the construction, plays the illumination effect.

The foregoing description is only exemplary of the preferred embodiments of the invention and is provided for the purpose of illustrating the general principles of the invention. Meanwhile, the scope of the present invention is not limited to the specific combinations of the above-described technical features, and other technical features or equivalent features may be combined arbitrarily without departing from the scope of the present invention. For example, the above features and (but not limited to) technical features having similar functions disclosed in the present invention are mutually replaced to form the technical solution.

Claims

1. The utility model provides a mine hydraulic prop, characterized by: the method comprises the following steps:

the cylinder body (1) is installed on the inner side of the protective box (2) through screws, and a reinforcing rod (3) is welded on the inner side wall of the protective box (2);

the box door (4), the box door (4) is installed on the front side of the protective box (2) through a hinge shaft;

the pressure dispersion frame (5), the pressure dispersion frame (5) is welded at the bottom of the protective box (2);

the piston rod (6) is arranged above the cylinder body (1) in a telescopic mode;

the support head (7) is in threaded connection with the top of the piston rod (6), and a reinforcing support piece (8) is welded below the support head (7).

2. The mine hydraulic monoblock prop according to claim 1, characterized in that: the left side of the cylinder body (1) is provided with a hydraulic fluid joint which is positioned on the inner side of the protection box (2).

3. The mine hydraulic monoblock prop according to claim 1, characterized in that: the top of the protective box (2) is of an open structure, and matched bolt assemblies are mounted on the front side of the protective box (2) and the front side of the box door (4) through screws a.

4. The mine hydraulic monoblock prop according to claim 1, characterized in that: the cross section of the strengthening rod (3) is of an X-shaped structure, and a handle (9) is installed on the front side of the box door (4) through a screw b.

5. The mine hydraulic monoblock prop according to claim 1, characterized in that: the pressure dispersion frame (5) comprises a base and horizontal dispersion rods (10), and the horizontal dispersion rods (10) are welded on the side face of the base.

6. The mine hydraulic monoblock prop according to claim 1, characterized in that: the support head (7) comprises a support block and a threaded sleeve, the threaded sleeve is welded below the support block, and the top of the piston rod (6) is provided with a thread pair matched with the threaded sleeve.

7. The mine hydraulic monoblock prop according to claim 6, wherein: the reinforcing support (8) comprises a bracing column (11) and an extension plate (12), the extension plate (12) is welded on the side surface of the screw sleeve, and the bracing column (11) is welded between the extension plate (12) and the support block.