CN211975010U

CN211975010U - Hydraulic permanent supporting device for coal mine

Info

Publication number: CN211975010U
Application number: CN202020533532.2U
Authority: CN
Inventors: 管杰; 庞有利; 温鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2020-11-20
Anticipated expiration: 2030-04-13

Abstract

The utility model relates to a coal mining field specifically discloses a colliery hydraulic pressure strutting arrangement forever, the on-line screen storage device comprises a base, the top of base is provided with the back timber, the both ends of back timber are all installed and are protected the group's board, protect the group's board and install the rotation otic placode with the junction of back timber, and the inboard that the both ends of slide bar are located the base down is provided with the base spout, the guide rail wheel is installed to the bottom of base, the upper surface that the upper end of guide rail wheel is located the base has the lift turning handle, the guide rail wheel is installed to the inboard that the outside of slide bar is located the base down. The rotation of control lift change handle rotates the guide rail wheel and stretches out the race, utilizes the guide rail wheel to agree with the track of fortune ore deposit to the inside of mine hole is transported to the base to the convenience, with the inside of the race of retrieving the guide rail wheel, guarantees that the installation on base and ground is stable, and the ejector pin promotes to protect group's board and rotates the otic placode and rotate, and the inside wall contact with mine hole plays the purpose to the stability of mine hole.

Description

Hydraulic permanent supporting device for coal mine

Technical Field

The utility model relates to a coal mining field specifically is a colliery hydraulic pressure strutting arrangement forever.

Background

The hydraulic support is a structure used for controlling the mine pressure of a coal face, the mine pressure of the coal face acts on the hydraulic support in an external load mode, in a mechanical system in which the hydraulic support and surrounding rock of the coal face interact, if the resultant force of all supporting pieces of the hydraulic support and the resultant force of the external load of a top plate acting on the hydraulic support are exactly in the same straight line, the hydraulic support is very suitable for the surrounding rock of the coal face, and the hydraulic support mainly comprises a base, a top beam and a jack.

However, the hydraulic support on the market is difficult to move after being installed, so that the base is easily abraded in the hydraulic support, and the movement is inconvenient. Therefore, the technical personnel in the field provide a coal mine hydraulic permanent supporting device to solve the problems in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a colliery hydraulic pressure strutting arrangement forever to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a colliery hydraulic pressure strutting arrangement forever, includes the base, the top of base is provided with the back timber, the both ends of back timber are all installed and are protected the group's board, protect the group's board and install the rotation otic placode with the junction of back timber, install the bracing piece between back timber and the base, the slide bar is installed down to the bracing piece and the junction of base, and the both ends of gliding bar are located the inboard of base and are provided with the base spout, the guide rail wheel is installed to the bottom of base, the upper surface mounting that the upper end of guide rail wheel is located the base has the lift turning handle, and the lower surface that the top of guide rail wheel is located the base is provided with the race, first pneumatic cylinder is installed to the outside of lower slide bar in the inboard of base.

As a further aspect of the present invention: an upper guide wheel is installed at the upper end of the supporting rod, a top beam sliding groove is formed between the upper guide wheel and the top beam, and a supporting rod rotating shaft is installed in the middle of the supporting rod.

As a further aspect of the present invention: ejector rods are installed at two ends of the top beam, and a second hydraulic cylinder is installed at one end of each ejector rod, which is located on the lower surface of the top beam.

As a further aspect of the present invention: and a telescopic hole is formed at the joint of the ejector rod and the top beam, and the ejector rod is in telescopic connection with the second hydraulic cylinder.

As a further aspect of the present invention: the upper guide wheel is connected with the top beam chute in a sliding mode, and the supporting rod is connected with the supporting rod rotating shaft in a rotating mode.

As a further aspect of the present invention: the lifting rotating handle is rotatably connected with the base, the telescopic rod is telescopically connected with the first hydraulic cylinder, and the side protection plate is rotatably connected with the top beam through the rotating lug plate.

As a further aspect of the present invention: the lower sliding rod is connected with the base sliding groove in a sliding mode, the lifting rotating handle is fixedly connected with the guide rail wheel, and the length of the inner diameter of the wheel groove is larger than the length of the diameter of the guide rail wheel.

Compared with the prior art, the beneficial effects of the utility model are that: the whole structure of the device is novel, the whole device can be contracted to a structure with a lower gravity center after the device is withdrawn from a support for the mine hole, so that the stability can be conveniently ensured during the transportation of the device, the base is integrally jacked up by using the jack at the bottom end of the base, the guide rail wheel is controlled to rotate to extend out of the wheel groove by controlling the rotation of the lifting rotating handle, the guide rail wheel is matched with a track for transporting mine, so that the base is conveniently transported into the mine hole, the rotation of the lifting rotating handle can be controlled when the base is transported to a part needing to be installed, the guide rail wheel is retracted into the wheel groove, the stable installation of the base and the ground is ensured, after the top beam is stably contacted with the top of the mine hole, the second hydraulic cylinder is used for pushing the ejector rod, so that the ejector rod pushes the side protection plate and the rotating lug plate to rotate and is contacted with the inner side wall of the mine hole, when the device is withdrawn from the needs, the pull-back effect of side board is protected in the simultaneous control of the whole decline of control back timber, at this moment utilizing the jack with base jack-up, rotate lift turning handle control guide rail wheel stretch out can for the installation and the dismantlement of whole device are all comparatively convenient, and have prevented that the base can take place to damage dragging the in-process, and when the bracing piece rises and play the supporting role to the back timber, traditional vertical support has better stability relatively.

Drawings

FIG. 1 is a schematic structural diagram of a hydraulic permanent support device for a coal mine;

FIG. 2 is a mounting structure diagram of a top beam and a base of the hydraulic permanent supporting device for the coal mine;

FIG. 3 is a bottom view of a top beam in a hydraulic permanent support device for a coal mine;

fig. 4 is an internal schematic view of a base in a hydraulic permanent support device for a coal mine.

In the figure: 1. a base; 2. a top beam; 3. a support bar; 4. a side protection plate; 5. a guide rail wheel; 6. a first hydraulic cylinder; 7. a telescopic rod; 8. a lifting rotating handle; 9. a lower sliding rod; 101. a base chute; 102. a wheel groove; 201. rotating the ear plate; 202. a top rod; 203. a top beam chute; 204. an upper guide wheel; 205. a second hydraulic cylinder; 301. a supporting rod rotating shaft.

Detailed Description

Referring to fig. 1-4, in the embodiment of the present invention, a hydraulic permanent supporting device for coal mine comprises a base 1, a top beam 2 is disposed above the base 1, side protection plates 4 are mounted at both ends of the top beam 2, a rotary ear plate 201 is mounted at the joint of the side protection plate 4 and the top beam 2, a support rod 3 is mounted between the top beam 2 and the base 1, a lower slide bar 9 is mounted at the joint of the support rod 3 and the base 1, and the two ends of the lower slide bar 9 are arranged at the inner side of the base 1 and are provided with base chutes 101, the bottom end of the base 1 is provided with a guide rail wheel 5, the upper end of the guide rail wheel 5 is arranged at the upper surface of the base 1 and is provided with a lifting rotating handle 8, and a wheel groove 102 is arranged on the lower surface of the base 1 above the guide wheel 5, a first hydraulic cylinder 6 (model: SHG-80) is arranged on the inner side of the base 1 on the outer side of the lower slide bar 9, and a telescopic rod 7 is arranged between the first hydraulic cylinder 6 and the lower slide bar 9.

In fig. 1, 2, 3, 4: guide pulley 204 is installed to the upper end of bracing piece 3, be provided with back timber spout 203 between guide pulley 204 and the back timber 2, the mid-mounting of bracing piece 3 has bracing piece pivot 301, ejector pin 202 is installed at the both ends of back timber 2, the one end of ejector pin 202 is located the lower surface mounting of back timber 2 and has second hydraulic cylinder 205, the junction of ejector pin 202 and back timber 2 is provided with the telescopic hole, ejector pin 202 and second hydraulic cylinder 205 telescopic connection, go up guide pulley 204 and back timber spout 203 sliding connection, bracing piece 3 rotates with bracing piece pivot 301 to be connected, lift turning handle 8 rotates with base 1 to be connected, telescopic link 7 and first hydraulic cylinder 6 telescopic connection, it rotates through rotating otic placode 201 with back timber 2 to protect group's board 4, lower slide bar 9 and base spout 101 sliding connection, lift turning handle 8 and guide rail wheel 5 fixed connection, the internal diameter size length of wheel groove 102 is greater than guide rail wheel.

In fig. 1, 2: protect the otic placode 201 of rotation between group's board 4 and the back timber 2, can conveniently rotate otic placode 201 to protecting ejecting and withdrawing of group's board 4 to guarantee that the device is whole to the supporting role of mine hole lateral wall, be provided with two first pneumatic cylinders 6 and telescopic link 7 in the inboard of base 1, thereby promote lower slide bar 9 simultaneously, make two lower slide bar 9 move in opposite directions, thereby accomplish the lifting effect to back timber 2.

In fig. 3, 4: the whole external diameter length that is greater than guide rail wheel 5 of internal diameter size of race 102, consequently make things convenient for the shrink of guide rail wheel 5 or stretch out, guaranteed simultaneously when guide rail wheel 5 withdraws the inside of race 102, the stationarity of the whole installation on base 1 and ground, when bracing piece 3 rotates through bracing piece pivot 301, can make simultaneously that the guide pulley 204 slides in the inside of back timber spout 203, play the whole mesh that promotes back timber 2 and rise, guarantee the support purpose to the mine opening top.

The utility model discloses a theory of operation is: generally, mine car tracks are arranged inside a mine hole, when the device is required to be installed inside the mine hole, the base 1 is integrally jacked up by utilizing a jack at the bottom end of the base 1, the guide rail wheel 5 is controlled to rotate to extend out of the wheel groove 102 by controlling the rotation of the lifting rotating handle 8, the base 1 is conveniently transported into the mine hole by utilizing the fit between the guide rail wheel 5 and the mine car tracks, when the device is transported to a part to be installed, the rotation of the lifting rotating handle 8 can be controlled, the guide rail wheel 5 is retracted into the wheel groove 102, the stable installation of the base 1 and the ground is ensured, the telescopic rod 7 pushes the lower sliding rod 9 inwards by controlling the hydraulic action of the first hydraulic cylinder 6, the lower sliding rod 9 slides inside the base sliding groove 101, the supporting rod 3 rotates through the supporting rod rotating shaft 301, the upper guide wheel 204 slides inside the top beam sliding groove 203, and the purpose of integrally pushing the top beam 2 to ascend is achieved, guarantee the support purpose to the mine opening top, after back timber 2 and the stable contact in mine opening top, utilize second hydraulic cylinder 205 to promote ejector pin 202, thereby make ejector pin 202 promote to protect group's board 4 and rotate otic placode 201 and rotate, with the inside wall contact in mine opening, play the stable purpose to the mine opening, when the device is withdrawn from to needs, the control back pull effect of group's board 4 is protected in the time of the whole decline of control back timber 2, at this moment utilizing the jack to jack up base 1, it can to rotate 8 accuse guide rail wheels 5 of lift turning handle.

The above-mentioned, 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 utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The coal mine hydraulic permanent support device comprises a base (1) and is characterized in that a top beam (2) is arranged above the base (1), side protection plates (4) are installed at two ends of the top beam (2), a rotating lug plate (201) is installed at the joint of each side protection plate (4) and the top beam (2), a support rod (3) is installed between the top beam (2) and the base (1), a lower slide rod (9) is installed at the joint of each support rod (3) and the base (1), a base sliding groove (101) is arranged at the position, located on the inner side of the base (1), of two ends of each lower slide rod (9), a guide rail wheel (5) is installed at the bottom end of the base (1), a lifting rotating handle (8) is installed at the position, located on the upper surface of the base (1), of the upper end of each guide rail wheel (5), and a wheel groove (102) is arranged at the position, located on the lower surface of the, the outer side of the lower sliding rod (9) is located on the inner side of the base (1) and provided with a first hydraulic cylinder (6), and a telescopic rod (7) is arranged between the first hydraulic cylinder (6) and the lower sliding rod (9).

2. The coal mine hydraulic permanent support device according to claim 1, wherein an upper guide wheel (204) is mounted at the upper end of the support rod (3), a top beam chute (203) is arranged between the upper guide wheel (204) and the top beam (2), and a support rod rotating shaft (301) is mounted in the middle of the support rod (3).

3. The coal mine hydraulic permanent support device according to claim 1, wherein two ends of the top beam (2) are provided with ejector rods (202), and one end of each ejector rod (202) is positioned on the lower surface of the top beam (2) and provided with a second hydraulic cylinder (205).

4. The coal mine hydraulic permanent support device according to claim 3, wherein a telescopic hole is formed at the joint of the top rod (202) and the top beam (2), and the top rod (202) is telescopically connected with the second hydraulic cylinder (205).

5. The coal mine hydraulic permanent support device according to claim 2, wherein the upper guide wheel (204) is slidably connected with the top beam chute (203), and the support rod (3) is rotatably connected with the support rod rotating shaft (301).

6. The coal mine hydraulic permanent support device according to claim 1, wherein the lifting rotating handle (8) is rotatably connected with the base (1), the telescopic rod (7) is telescopically connected with the first hydraulic cylinder (6), and the side protection plate (4) is rotatably connected with the top beam (2) through a rotating lug plate (201).

7. The coal mine hydraulic permanent support device according to claim 1, wherein the lower sliding rod (9) is connected with the base sliding groove (101) in a sliding mode, the lifting rotating handle (8) is fixedly connected with the guide rail wheel (5), and the length of the inner diameter of the wheel groove (102) is larger than the length of the diameter of the guide rail wheel (5).