CN210686020U

CN210686020U - Temporary supporting structure for coal mine excavation

Info

Publication number: CN210686020U
Application number: CN201921654381.XU
Authority: CN
Inventors: 王波; 潘瑞; 刘发旗
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-06-05
Anticipated expiration: 2029-09-30

Abstract

The utility model discloses temporary support structure is excavated in colliery discloses one kind can carry out quick extension, and the operation process is simple, can with the support structure of roof laminating. Simple structure need not to install fixedly through connection structure, convenient to use operation. The fixed support is characterized by comprising a supporting part and a connecting part, the fixed support is of a convex structure, the connecting part is fixedly arranged in the middle of one side of the supporting part, one ends of two guide strips are respectively fixed at two ends of the supporting part of the fixed support through fixing screws, an inserting groove is formed between the fixed strip and the connecting part of the fixed support, two sliding pins are symmetrically arranged on the groove wall of the inserting groove and are positioned at positions far away from the supporting part of the fixed support, the two inserting frames are respectively inserted into the two inserting grooves, an inner guide plate is arranged at the bottom of one side of each inserting frame and is positioned at one side opposite to the two inserting frames, and an outer guide plate is arranged at the bottom of the other side of each inserting frame.

Description

Temporary supporting structure for coal mine excavation

Technical Field

The utility model discloses colliery is excavated temporary support structure relates to when colliery is excavated, carries out temporary support's structure to the tunnel roof, belongs to the mining equipment field. In particular to a supporting structure which can be rapidly extended and expanded, has simple operation procedures and can be attached to a top plate.

Background

At present, in the coal mine tunneling process, in order to avoid loosening and falling of roof rock caused by operation mining, a temporary protection structure needs to be arranged corresponding to the operation, so that the safety of the operation process is ensured, the currently adopted temporary supporting means supports through a steel pipe and a connecting structure, and the pipe fittings are connected through the connecting structure, so that the pipe fittings are crossed to form a supporting structure, the operation process of the means is complex, the efficiency is low, the temporary supporting means is not suitable as temporary supporting, and the rapid extension and expansion cannot be carried out.

Publication No. CN206957751U discloses temporary support device for coal mine, including hanging subassembly and supporting component, the hanging subassembly is the L type, and the vertical pole top of hanging the subassembly is provided with the connecting hole fixed with the stock, and the horizontal pivot of hanging the subassembly is connected with the supporting component, the supporting component is the zigzag, and the supporting component is including horizontal connecting plate and the backup pad that sets up, and the connecting plate is connected through the adjusting part of vertical setting with the backup pad, the connecting plate is connected with horizontal pivot, backup pad and roof contact, its main connecting fastener that provides of the device, can not form holistic supporting construction, and still need install fixedly, whole inefficiency.

Publication number CN206309412U discloses an umbrella-type point post formula temporary support for coal mine tunnel, which comprises a main frame, the main frame is by the alternate 2 horizontal braces that set up of parallel and the plane frame structure that a plurality of longitudinal braces of parallel arrangement between 2 horizontal braces constitute, be provided with the arch that makes progress on the main frame, with the corresponding arc carriage of coal mine tunnel vault radian, be equipped with the support tie-beam on the arc carriage, the support point post includes the base, altitude mixture control post and cylinder, the device is strutted through umbelliform structure, the intensity effect of strutting at border position is relatively poor, and the tunnel roof is the plane, the unable tunnel roof shape of laminating of arc umbrella face, it is relatively poor with the laminating effect of roof to strut.

Disclosure of Invention

In order to improve the condition, the utility model discloses the colliery is excavated interim supporting construction provides one kind and can carry out quick extension, and the operation process is simple, can with the supporting construction of roof laminating. Simple structure need not to install fixedly through connection structure, convenient to use operation.

The utility model discloses interim supporting construction is excavated in colliery realizes like this: the utility model discloses a temporary support structure for coal mining consists of a single prop, an extension bracket, a fixed plate, an outer guide plate, an inner guide plate, guide strips, sliding pins, fixing screws, splicing frames and splicing grooves, wherein the fixed bracket consists of a supporting part and a connecting part, the fixed bracket is in a convex structure, the connecting part is fixedly arranged in the middle of one side of the supporting part, one ends of the two guide strips are respectively fixedly arranged on the two ends of the supporting part of the fixed bracket through the fixing screws, the splicing grooves are formed between the guide strips and the connecting part of the fixed bracket, the two sliding pins are symmetrically arranged on the groove walls of the splicing grooves and are positioned at the positions far away from the supporting part of the fixed bracket, the two splicing frames are respectively spliced in the two splicing grooves, the inner guide plate is arranged at the bottom of one side of the splicing frames, and the two inner guide plates are, the opposite side bottom of grafting frame is arranged in to outer deflector, it has the guide way to open on the interior deflector, it has the guide way to open on the outer deflector, two the grafting frame is inserted respectively and is arranged in two grafting grooves, sliding pin slidable arranges corresponding guide way in, and one side of extension support and two one end of grafting frame are connected, two fixed plates have been put respectively to the both sides of fixed bolster, two fixed plates have been put respectively to the both ends of extension support, two fixed plates have been put respectively to the other end of grafting frame, and six monomer pillars and six fixed plate one-to-ones are connected, the hydraulic prop of monomer pillar for the liftable, the supporting shoe has been put to monomer pillar bottom, the supporting shoe is the block rubber.

Has the beneficial effects.

The structure is simple, the installation and fixation are not needed through a connecting structure, and the use and the operation are convenient.

And secondly, the device can be stretched and retracted, and is convenient to rapidly expand for spreading and supporting.

And thirdly, the height of the single support is adjusted, so that the single support can be better attached to a top plate, and the supporting effect is enhanced.

And fourthly, the support is supported at multiple points, and the support stability is good.

Drawings

Fig. 1 is a three-dimensional structure diagram of a temporary support structure for coal mining of the utility model;

FIG. 2 is a three-dimensional structure diagram of the extension support of the temporary support structure for coal mining of the present invention;

fig. 3 is a three-dimensional structure diagram of the extension support of the temporary support structure for coal mining of the present invention, which only shows the three-dimensional structure at another view angle;

fig. 4 is a three-dimensional structure diagram of the fixing bracket of the temporary supporting structure for coal mining of the utility model;

fig. 5 the utility model discloses the spatial structure under the temporary support structure withdrawal state is excavated in the colliery.

In the attached drawings

Wherein the method comprises the following steps: the support comprises a single support column 1, an extension support 2, a fixed support 3, a fixed plate 4, an outer guide plate 5, an inner guide plate 6, a guide strip 7, a sliding pin 8, a fixing screw 9, an insertion frame 10 and an insertion groove 11.

The specific implementation mode is as follows:

the utility model discloses a temporary support structure for coal mining is realized like this, by monomer pillar 1, extension support 2, fixed bolster 3, fixed plate 4, outer deflector 5, interior deflector 6, gib block 7, sliding pin 8, set screw 9, grafting frame 10 and inserting groove 11 are constituteed, fixed bolster 3 comprises supporting part and connecting portion, fixed bolster 3 is "protruding" style of calligraphy structure, connecting portion fix in the middle part of one side of supporting part, and the one end of two gib blocks 7 is fixed on the both ends of fixed bolster 3 supporting part through set screw 9 respectively, form inserting groove 11 between gib block and the fixed bolster 3 connecting portion, two sliding pin 8 symmetry are arranged on the cell wall of inserting groove 11, and are located the position of keeping away from fixed bolster 3 supporting part, and two grafting frames 10 are inserted respectively in two inserting groove 11, and interior deflector 6 is arranged in one side bottom of grafting frame 10, the two inner guide plates 6 are respectively positioned at one side opposite to the two inserting frames 10, the outer guide plate 5 is arranged at the bottom of the other side of the inserting frame 10, the inner guide plate 6 is provided with a guide groove, the outer guide plate 5 is provided with a guide groove, the two inserting frames 10 are respectively inserted into the two inserting grooves 11, the sliding pin 8 can be arranged in the corresponding guide groove in a sliding way, one side of the extension bracket 2 is connected with one end of the two inserting brackets 10, two fixing plates 4 are respectively arranged on two sides of the fixing support 3, two fixing plates 4 are respectively arranged on two ends of the extension support 2, two fixing plates 4 are respectively arranged on the other ends of the two inserting frames 10, six single supporting columns 1 are correspondingly connected with the six fixing plates 4 one by one, the single prop 1 is a liftable hydraulic prop, a supporting block is arranged at the bottom end of the single prop 1, and the supporting block is a rubber block.

When the support is used, the inserting frame 10 in the initial state is completely arranged in the inserting groove 11, the sliding pin 8 is arranged in one end of the guide groove, when a roof of a coal mine excavation roadway needs to be supported, a person firstly places the support device in the roadway, holds the single body support on the extension support 2 with hands to pull the extension support 2 in the direction away from the fixed support 3, so that the extension support 2 moves in the direction away from the fixed support 3, the inserting frame 10 on the extension support 2 slides in the inserting groove 11 on the fixed support 3, meanwhile, the sliding pin 8 slides in the guide groove, so that the overall length of the support structure is quickly adjusted, when the sliding pin 8 slides to the other end of the guide groove, the person cannot continuously pull, at the moment, the support structure is in the longest length capable of extending, when the length adjustment is finished, the person raises the heights of the six single body supports 1, so that the heights of the fixed support 3 and the extension, the fixed support 3 and the extension support 2 are tightly attached to the top plate of the roadway, and meanwhile, the six single supporting columns 1 are supported and reinforced at the edge positions to form good support for the top plate of the roadway, so that the support structure is installed and adjusted;

reach the extension that can carry out fast and expand, and the operation process is simple, can with the purpose of roof laminating.

The above embodiments are the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any person skilled in the art can make some modifications without departing from the scope of the invention, i.e. all equivalent modifications made according to the invention are intended to be covered by the scope of the invention.

It should also be noted that, unless otherwise specifically stated or limited, the terms "disposed on," "mounted on," "connected to" and "connected to" are to be construed broadly and may include, for example, a fixed connection such as a crimped connection, a riveted connection, a pinned connection, an adhesive connection, a welded connection, a removable connection such as a threaded connection, a snap connection, a hinged connection, an integral connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. The utility model provides a temporary support structure is excavated in colliery, characterized by: the device comprises a single prop, an extension bracket, a fixed plate, an outer guide plate, an inner guide plate, guide strips, sliding pins, fixing screws, a splicing frame and splicing grooves, wherein the fixed bracket comprises a supporting part and a connecting part, the connecting part is fixedly arranged in the middle of one side of the supporting part, one ends of the two guide strips are fixedly arranged on the two ends of the supporting part of the fixed bracket respectively through the fixing screws, the splicing grooves are formed between the guide strips and the connecting part of the fixed bracket, the two sliding pins are symmetrically arranged on the groove walls of the splicing grooves and are positioned at positions far away from the supporting part of the fixed bracket, the two splicing frames are respectively spliced in the two splicing grooves, the inner guide plate is arranged at the bottom of one side of the splicing frame, the two inner guide plates are respectively positioned at one opposite sides of the two splicing frames, the outer guide plate is arranged at the bottom of, the outer guide plate is provided with guide grooves, the two inserting frames are respectively inserted into the two inserting grooves, the sliding pin can slide in the corresponding guide grooves, one side of the extension support is connected with one ends of the two inserting frames, two fixing plates are respectively arranged on two sides of the fixing support, two fixing plates are respectively arranged at two ends of the extension support, two fixing plates are respectively arranged at the other end of the inserting frame, and six single supporting columns and six fixing plates are connected in a one-to-one correspondence mode.

2. The temporary support structure for coal mine excavation according to claim 1, wherein the fixing bracket is a structure of a shape like a Chinese character 'tu'.

3. A coal mine excavation temporary support structure according to claim 1, wherein the single prop is a liftable hydraulic prop.

4. A temporary support structure for coal mine excavation according to claim 3, wherein support blocks are provided at the bottom ends of the individual pillars.

5. A coal mine mining temporary support structure according to claim 4, wherein said support blocks are rubber blocks.