CN220979541U

CN220979541U - Protective bracket

Info

Publication number: CN220979541U
Application number: CN202322884884.9U
Authority: CN
Inventors: 孟宪勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-10-26
Filing date: 2023-10-26
Publication date: 2024-05-17
Anticipated expiration: 2033-10-26

Abstract

The utility model relates to the technical field of mine operation safety protection, and provides a protection support, which comprises a base box body, wherein a storage assembly is arranged in the base box body, an anti-slip pad is fixedly connected to the middle of the top end of the base box body, a protection net assembly is arranged at the top end of the base box body, hydraulic lifting columns are fixedly arranged on two sides of the top end of the base box body, a top plate is fixedly connected to the top end of the top plate, a protection cover is fixedly connected to the top end of the top plate, the storage assembly comprises a lead screw, the lead screw is rotationally connected to the inside of the base box body, a motor is fixedly connected to one end of the lead screw penetrating through the base box body, a fastening bolt is taken out from a fixed block through the arranged protection net assembly, the protection net can be rapidly detached and replaced, meanwhile, the protection net can protect walls on two sides of a mine, the falling rocks on two sides of the mine are prevented from injuring personal safety of workers, and the protection performance of the protection support is improved.

Description

Protective bracket

Technical Field

The utility model relates to the technical field of mine operation safety protection, in particular to a protection support.

Background

A mine downhole operation protection support is a device used for ensuring the safety of downhole operators. It is typically made of steel or other sturdy material for supporting and stabilizing the roof rock and soil of the subterranean zone of extraction. The main purpose of the bracket is to prevent rock collapse and ground collapse accidents and provide a safe and reliable working environment.

Through retrieval, the prior patent (bulletin number: CN 208236451U) discloses a safety protection support for mine underground operation, which comprises a base, wherein a first groove is formed in the upper end of the base, a sealing cover is arranged at the upper end of the first groove, a second groove is arranged in the base, a damping spring is arranged in the second groove, first threaded through holes are formed in the left end and the right end of the base, a fixing device is arranged in the first threaded through holes, a lifting supporting device is arranged at the upper end of the base, and a protecting device is arranged at the upper end of the lifting supporting device, so that compared with the prior art, the safety protection support has the following beneficial effects: the first groove is formed in the upper end of the base, the sealing cover is arranged at the upper end of the first groove, so that emergency medicines and foods can be placed in the first groove, the second groove is formed in the base, the vibration damping spring is arranged in the second groove, and the vibration damping spring can be compressed when the base is vibrated to protect the base.

However, in the scheme, the two side walls inside the mine are inconvenient to protect, and when the two side walls inside the mine have the falling rocks, the personal safety of mine workers can be threatened, so that the protection performance of the protection support is lower.

In view of the above, the present utility model provides a protective bracket.

Disclosure of utility model

The utility model provides a protective bracket, which solves the problem that the two side walls inside a mine are inconvenient to protect in the related art.

The technical scheme of the utility model is as follows: the protection support comprises a base box body and is characterized in that a storage assembly is arranged in the base box body, an anti-slip pad is fixedly connected to the middle of the top end of the base box body, a protection net assembly is arranged at the top end of the base box body, hydraulic lifting columns are fixedly arranged on two sides of the top end of the base box body, a top plate is fixedly connected to the top end of each hydraulic lifting column, and a protection cover is fixedly connected to the top end of each top plate;

The storage assembly comprises a screw rod, the screw rod is rotationally connected to the inside of the base box body, the screw rod penetrates through one end of the base box body and is fixedly connected with a motor, moving blocks are connected to two sides of the surface of the screw rod in a threaded mode, connecting rods are rotationally connected to the bottom ends of the moving blocks, and bottom plates are rotationally connected to the bottom ends of the connecting rods.

Preferably, two sections of threads with opposite and equal length are arranged at two ends of the surface of the screw rod, and the two moving blocks are distributed on the two sections of threads with opposite surfaces of the screw rod.

Preferably, the bottom surface of the bottom plate is fixedly connected with moving wheels, and two moving wheels are respectively arranged at two ends of the bottom surface of one group of bottom plates.

Preferably, the protection network component comprises four fixing blocks, the fixing blocks are respectively and fixedly connected to the top end of the base box body and the bottom surface of the top plate, one side of each fixing block is connected with the protection network through a mounting groove in a clamping mode, and the front side of each fixing block is connected with the fastening bolt through a threaded hole in a threaded mode.

Preferably, the material of the protective net is steel wires, and through holes are formed in four corners of the protective net.

Preferably, the four corners of the protection net are matched with the size of the mounting groove, and the fastening bolts and the through holes are arranged in a matching way.

Preferably, the top surface of roof fixedly connected with support column, the inboard fixed connection of top and protection casing of support column.

Preferably, the shape of the protective cover is arc-shaped and is matched with the shape of the mine roof.

The working principle and the beneficial effects of the utility model are as follows:

1. According to the utility model, the motor drives the screw rod to rotate through the accommodating assembly, so that the two moving blocks are mutually far away from each other to drive the connecting rod to rotate, the bottom plate is further driven to move upwards to drive the moving wheel to move upwards, the moving wheel is accommodated into the base box body, when the protective bracket is used for supporting a mine, the bottom of the base box body is contacted with the ground, the moving wheel is prevented from becoming a bearing piece, the service life of the moving wheel is prolonged, and meanwhile, the stability and the firmness of the support of the protective bracket are improved;

2. According to the utility model, the fastening bolts are taken out from the fixed blocks through the arranged protective net components, so that the protective net can be rapidly disassembled and replaced, meanwhile, the arranged protective net can protect walls on two sides of a mine, the falling rocks on two sides of the mine are prevented from injuring the personal safety of workers, and the protective performance of the protective bracket is improved.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a housing assembly according to the present utility model;

FIG. 3 is a schematic diagram of a protection net assembly according to the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3A according to the present utility model;

fig. 5 is a schematic view of the structure among the top plate, the protective cover and the support column according to the present utility model.

In the figure: 1. a base box; 2. a receiving assembly; 201. a screw rod; 202. a motor; 203. a moving block; 204. a connecting rod; 205. a bottom plate; 3. a moving wheel; 4. an anti-slip pad; 5. a protective net assembly; 501. a fixed block; 502. a mounting groove; 503. a protective net; 504. a through hole; 505. a threaded hole; 506. a fastening bolt; 6. a hydraulic lifting column; 7. a top plate; 8. a protective cover; 9. and (5) supporting the column.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

The preferred embodiment of the protective bracket provided by the present utility model is shown in fig. 1 to 5: the protection support comprises a base box body 1 and is characterized in that a storage component 2 is arranged in the base box body 1, an anti-slip pad 4 is fixedly connected to the middle of the top end of the base box body 1, a protection net component 5 is arranged at the top end of the base box body 1, hydraulic lifting columns 6 are fixedly arranged on two sides of the top end of the base box body 1, a top plate 7 is fixedly connected to the top end of the hydraulic lifting columns 6, and a protection cover 8 is fixedly connected to the top end of the top plate 7;

The storage assembly 2 comprises a screw rod 201, the screw rod 201 is rotationally connected to the inside of the base box body 1, the screw rod 201 penetrates through one end fixedly connected with motor 202 of the base box body 1, two sides of the surface of the screw rod 201 are in threaded connection with moving blocks 203, the bottom ends of the moving blocks 203 are rotationally connected with connecting rods 204, the bottom ends of the connecting rods 204 are rotationally connected with bottom plates 205, and the moving wheels 3 can be stored into the inside of the base box body 1 when the moving wheels are not needed, so that the bottom of the base box body 1 is contacted with the ground when a protective support supports a mine, and the stability and the firmness of the support of the protective support are improved.

In this embodiment, two opposite threads with equal length are disposed at two ends of the surface of the screw 201, and two moving blocks 203 are distributed on the two opposite threads on the surface of the screw 201, so that when the screw 201 rotates, the two moving blocks 203 can move away from each other or move close to each other.

In this embodiment, the bottom surface fixedly connected with of bottom plate 205 removes round 3, and the bottom surface both ends of a set of bottom plate 205 are provided with two respectively and remove round 3 to when removing the protective bracket, need not many people and carry, the convenience when increasing the protective bracket transport.

Example 2

On the basis of embodiment 1, a preferred embodiment of the protective bracket provided by the present utility model is shown in fig. 1 to 5: the protection network component 5 comprises four fixing blocks 501, wherein the fixing blocks 501 are arranged and are respectively and fixedly connected to the top end of the base box body 1 and the bottom surface of the top plate 7, one side of each fixing block 501 is connected with a protection network 503 through a mounting groove 502 in a clamping mode, the front side of each fixing block 501 is connected with a fastening bolt 506 through a threaded hole 505 in a threaded mode, the walls on two sides of a mine can be protected through the protection network 503, and personnel safety of workers due to falling rocks on two sides of the mine is avoided.

In this embodiment, the material of the protection network 503 is steel wires, the four corners of the protection network 503 are provided with through holes 504, the strength of the protection network 503 made of steel wires is higher, the protection effect is better, and the protection network 503 is convenient to be quickly and fixedly installed through the provided through holes 504.

In this embodiment, the four corners of the protection net 503 are matched with the mounting grooves 502, the fastening bolts 506 are matched with the through holes 504, the fastening bolts 506 are screwed into the threaded holes 504, and then pass through the through holes 504 on the protection net 503 to fix the protection net 503 on the fixing block 501.

In addition, the top surface fixedly connected with support column 9 of roof 7, the inboard fixed connection of top and protection casing 8 of support column 9, support column 9 have the reinforcing effect to protection casing 8.

In addition, the shape of the protection cover 8 is arc-shaped and is matched with the shape of the mine top, so that the protection cover 8 can be tightly attached to the mine top, and the supporting effect of the protection cover 8 on the mine top is improved.

The working principle and the using flow of the utility model are as follows: firstly, the device is pushed into a mine, when the device moves to a designated position, a set motor 202 is started to drive a screw rod 201 to rotate, so that two moving blocks 203 are mutually far away from each other to drive a set connecting rod 204 to rotate, further a bottom plate 205 is driven to move upwards, a moving wheel 3 is driven to move upwards, the moving wheel 3 is stored into the base box 1, then a protective cover 8 at the top of a top plate 7 is driven to move upwards through a set hydraulic lifting column 6, the top of the protective cover 8 is tightly propped against the top of the mine, the top of the mine is reinforced, and a set anti-slip mat 4 can place articles such as medicines, water and the like on the top of the mine, so that the device can be used for workers;

When need dismantle the change to protection network 503, twist the fastening bolt 506 that sets up, take out fastening bolt 506 from fixed block 501 in, release fastening bolt 506 to the spacing of through-hole 504 to can dismantle the change with protection network 503, simultaneously, the protection network 503 of setting can protect the wall of mine both sides, avoids the falling rocks of mine both sides to hurt workman's personal safety.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a protection support, includes base box (1), its characterized in that, the inside of base box (1) is provided with accomodates subassembly (2), the top middle part fixedly connected with slipmat (4) of base box (1), the top of base box (1) is provided with protection network subassembly (5), the top both sides fixed mounting of base box (1) have hydraulic lifting column (6), the top fixedly connected with roof (7) of hydraulic lifting column (6), the top fixedly connected with protection casing (8) of roof (7);

The storage assembly (2) comprises a screw rod (201), the screw rod (201) is rotationally connected to the inside of the base box body (1), the screw rod (201) penetrates through one end of the base box body (1) and is fixedly connected with a motor (202), moving blocks (203) are connected to two sides of the surface of the screw rod (201) in a threaded mode, connecting rods (204) are rotationally connected to the bottom ends of the moving blocks (203), and bottom plates (205) are rotationally connected to the bottom ends of the connecting rods (204).

2. A protective bracket according to claim 1, characterized in that two opposite threads of equal length are provided at the two ends of the surface of the screw (201), and two moving blocks (203) are distributed on the two opposite threads of the surface of the screw (201).

3. A protective bracket according to claim 1, characterized in that the bottom surface of the bottom plate (205) is fixedly connected with moving wheels (3), and two moving wheels (3) are respectively arranged at two ends of the bottom surface of one group of the bottom plates (205).

4. The protective bracket according to claim 1, wherein the protective net assembly (5) comprises four fixing blocks (501), the fixing blocks (501) are fixedly connected to the top end of the base box body (1) and the bottom surface of the top plate (7) respectively, one side of each fixing block (501) is connected with a protective net (503) through a mounting groove (502) in a clamping manner, and the front side of each fixing block (501) is connected with a fastening bolt (506) through a threaded hole (505) in a threaded manner.

5. The protective bracket according to claim 4, wherein the protective net (503) is made of steel wires, and through holes (504) are formed at four corners of the protective net (503).

6. The protective bracket according to claim 4, wherein the four corners of the protective net (503) are in a size matching with the size of the mounting groove (502), and the fastening bolts (506) are arranged in a manner of matching with the through holes (504).

7. The protective bracket according to claim 1, wherein the top surface of the top plate (7) is fixedly connected with a support column (9), and the top end of the support column (9) is fixedly connected with the inner side of the protective cover (8).

8. A protective support according to claim 1, characterized in that the protective cover (8) is arc-shaped and conforms to the shape of the mine roof.