Temporary roadway supporting device for mining engineering

Abstract

The utility model discloses a temporary roadway supporting device for mining engineering, and relates to the technical field of mining engineering equipment. The device comprises a base, a supporting column and a protection plate, the upper side wall of the base is fixedly connected with the supporting column, the upper side wall of the supporting column is fixedly connected with the protection plate, a supporting assembly is installed on the bottom side wall of the base, a stretching assembly is installed on the left side wall of the protection plate, and an air conveying assembly is installed on the lower side wall of the protection plate. Supporting plates are symmetrically installed at the two ends of the lower side wall of a stretching plate of the stretching assembly, adjusting plates are installed on the outer side walls of the supporting plates, limiting plates are installed on the outer side walls of the adjusting plates, and a plurality of rolling nails are installed on the lower side walls of the adjusting plates. The whole supporting device is convenient to mount and dismount through the supporting assembly, meanwhile, the supporting effect is good, the supporting length can be conveniently adjusted through the stretching assembly so that adaptability can be enhanced, and air can be input into the other end of the supporting device through the air conveying assembly.

Description

Technical Field

[0001] The utility model belongs to the technical field of mining engineering equipment, in particular to a temporary tunnel supporting device for mining engineering. Background Art

[0002] With the continuous development of my country's industrial undertakings, the mineral resources needed in industrial production are also increasing. Therefore, it is necessary to carry out mining activities in mines. However, working in mine tunnels requires the construction of support devices to protect the safety of workers and equipment. However, for some small tunnels, or tunnels that do not require long-term support, a temporary support device for the tunnel is needed for mining engineering.

[0003] A Chinese patent application with publication number CN218787127U discloses a temporary support device for a tunnel for mining engineering, including a telescopic plate, a bottom plate fixedly installed at the bottom of the second telescopic rod, first support rods installed at both ends of the bottom of the telescopic plate, a connection block hingedly installed on the surface of one end of the first support rod, a second support rod hingedly installed at the bottom of the connection block, a first threaded rod provided inside the connection block, a second threaded rod threadedly connected to the inner surface of the bottom plate, a support plate fixedly installed below the second threaded rod, a hand plate fixedly installed on the top of the second threaded rod, a second telescopic rod fixedly installed on the top surface of the telescopic plate, and an arc-shaped support plate fixedly installed on the top of the second telescopic rod. By setting the telescopic plate, the length of the telescopic plate can be adjusted according to the width of the tunnel, and the first threaded rod rotates, so that the angle adjustment of the first support rod and the second support rod drives the telescopic plate to adjust its height up and down.

[0004] However, it still has the following disadvantages in actual use:

[0005] 1. The above-mentioned temporary support device for a mining tunnel only supports and fixes the entire device through a support plate, which may cause the problem of unreliable support effect;

[0006] 2. The above-mentioned temporary support device for a tunnel used in a mining project is longer in the tunnel. Installing the support device further inside the tunnel may cause discomfort to the installers due to the thin air.

[0007] To this end, we provide a temporary support device for a mining tunnel to solve the above-mentioned problems. Utility Model Content

[0008] The purpose of the utility model is to provide a temporary support device for a tunnel for mining engineering. The support assembly facilitates the installation and disassembly of the entire support device, and the support effect is good. The support length can be conveniently adjusted through the stretching assembly to enhance the adaptability. Air can be input to the other end of the support device through the air supply assembly to avoid discomfort to the installers due to the long tunnel length and thin air, thereby solving the problem of inconvenient installation and disassembly of the existing temporary support device for the tunnel for mining engineering.

[0009] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0010] The utility model is a temporary support device for a tunnel used in a mining project, comprising a base, a support column and a protection plate, the upper side wall of the base is fixedly connected to the support column, the upper side wall of the support column is fixedly connected to the protection plate, the bottom side wall of the base is installed with a support assembly, the left side wall of the protection plate is installed with a stretching assembly, and the lower side wall of the protection plate is installed with a gas transmission assembly; a drill bit is installed on the lower side wall of a mounting shell of the support assembly, a return spring is installed on the inner side wall of the mounting shell, a connecting column is installed on the upper side wall of the return spring, both ends of the connecting column are connected with a barb through a rotating shaft, and a limiting block is installed on the upper end of the connecting column; an exhaust fan is installed on the inner side wall of a mounting box of the gas transmission assembly, an exhaust port of a rear side wall of the mounting box is installed with an air outlet pipe, the air outlet pipe is connected with a stretching pipe through a sealing ring, and a fixing block is installed on the outer side wall of the stretching pipe; support plates are symmetrically installed at both ends of the lower side wall of the stretching plate of the stretching assembly, and adjusting plates are installed on the outer side walls of the support plates, and limiting plates are installed on the outer side walls of the adjusting plates, and a plurality of ground nails are installed on the lower side wall of the adjusting plates.

[0011] The utility model is further configured that the inner side wall of the base is slidably connected to the connecting column, the upper end of the connecting column is provided with two limiting grooves, and the connecting column is plug-connected with the limiting block through the limiting grooves.

[0012] The utility model is further configured that both ends of the connecting column are provided with installation grooves, the installation grooves of the connecting column are provided with barbs, and the outer side walls of the barbs are slidably connected with the installation shell.

[0013] The utility model is further configured such that the lower side wall of the connecting column is fixedly connected to the moving end of the reset spring, the fixed end of the reset spring is fixedly connected to the mounting shell, and the lower side wall of the mounting shell is fixedly connected to the drill bit.

[0014] The utility model is further configured such that the lower side wall of the installation box is connected to the support plate by bolts, the left side wall of the support plate is connected to the protection plate by bolts, and the inner side wall of the installation box is connected to the exhaust fan through a motor frame.

[0015] The utility model is further configured such that the air outlet of the rear side wall of the installation box is sealedly connected to the air outlet pipe, and the upper side wall of the air outlet pipe is clamped and connected to the protection plate.

[0016] The utility model is further configured that the outer side wall of the stretching tube is fixedly connected to the fixing block, and the upper side wall of the fixing block is detachably fixedly connected to the stretching plate.

[0017] The utility model is further configured that the right side wall of the stretching plate is plug-connected with the protection plate, the lower side wall of the stretching plate is fixedly connected with the support plate, and the outer side wall of the support plate is slidably connected with the adjustment plate.

[0018] The utility model is further configured such that the outer side wall of the support plate and the adjustment plate are provided with limiting grooves of equal size, the support plate is plug-connected with the limiting plate via the limiting grooves, the outer side wall of the adjustment plate is connected with the support plate via the limiting plate, and the lower side wall of the adjustment plate is fixedly connected with the ground nails.

[0019] The utility model has the following beneficial effects:

[0020] 1. The utility model arranges a support component, places the base at the tunnel entrance, inserts the mounting shell into the ground through a drill bit, and at the same time, the barb can increase the friction force to avoid the movement of the mounting shell, so that the connection between the base and the ground is more secure, so as to achieve a better supporting effect. When disassembling, the limit block is pulled out to release the limit between the connecting column and the base, the connecting column is pressed downward, the reset spring is compressed, and the barb is conveniently retracted into the mounting shell, so that the mounting shell can be pulled out from the ground for easy disassembly, which solves the problem that only the support plate is used to support and fix the entire device, which will cause an unreliable support effect.

[0021] 2. The utility model sets an air delivery component, which works through the exhaust fan to draw air into the installation box, and discharges it through the air outlet pipe under the action of pressure. The sealing ring prevents air leakage. At the same time, when the staff stretches the support length, the stretching tube will stretch along with the stretching plate, so that the air can be input to the leftmost end of the device all the time, so that as the installation depth increases, air can also be provided to the installers to avoid causing discomfort to the installers. This solves the problem that when the support device is installed in a longer lane and further inside the lane, the thin air will cause discomfort to the installers.

[0022] 3. The utility model sets a stretching component. When facing tunnels of different lengths, the operator pulls the stretching plate to pull the stretching plate out of the protective plate to adjust the support length. After adjusting to the required length, the limit plate is pulled out, and the position of the adjustment plate is adjusted to support the adjustment plates on both sides to contact the ground respectively, and the ground nails are inserted into the ground to enhance the connection effect between the adjustment plate and the ground and achieve better support effect.

[0023] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0025] Figure 1 It is a structural schematic diagram of a temporary support device for a tunnel used in mining engineering;

[0026] Figure 2 A half-section diagram of a temporary support device for a tunnel used in mining engineering;

[0027] Figure 3 An exploded view of the structure of the support assembly;

[0028] Figure 4 It is a structural exploded view of the gas transmission component;

[0029] Figure 5 This is an exploded view of the structure of the tensile component.

[0030] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0031] 1-base, 2-support assembly, 3-gas delivery assembly, 4-stretching assembly, 101-support column, 102-protection plate, 201-installation shell, 202-drill bit, 203-reset spring, 204-connecting column, 205-barb, 206-limiting block, 301-installation box, 302-exhaust fan, 303-air outlet pipe, 304-sealing ring, 305-stretching tube, 306-fixing block, 401-stretching plate, 402-support plate, 403-adjusting plate, 404-limiting plate, 405-ground nail, 204a-limiting groove. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention. Specific embodiment 1

[0034] See also Figure 1 , Figure 2 and Figure 3The utility model is a temporary support device for a tunnel used in a mining project, including a base 1 and an upper side wall of the base 1 fixedly connected to a support column 101, the support column 101 plays a supporting role, the upper side wall of the support column 101 is fixedly connected to a protective plate 102, the protective plate 102 plays a protective supporting role, and a support assembly 2 is installed on the bottom side wall of the base 1, the support assembly 2 facilitates the installation and disassembly of the entire support device, and at the same time makes the support effect better, solving the problem of inconvenient installation and disassembly of the existing support device.

[0035] Specifically, the lower side wall of the mounting shell 201 of the support assembly 2 is fixedly connected to the drill bit 202 to achieve integration so as to achieve the effect of synchronous movement, wherein the mounting shell 201 facilitates the installation of the connecting column 204, and the drill bit 202 facilitates the insertion of the mounting shell 201 into the ground. The inner side wall of the mounting shell 201 is fixedly connected to the fixed end of the reset spring 203, and the reset spring 203 is fixed so that the reset spring 203 can better drive the connecting column 204 to move. The moving end of the reset spring 203 is fixedly connected to the lower side wall of the connecting column 204 to achieve integration. Mounting grooves are provided at both ends of the connecting column 204, and the contraction of the mounting groove barb 205 is achieved. The mounting groove of the connecting column 204 is connected to the barb 205 through a rotating shaft, which facilitates the movement of the barb 205. At the same time, the outer side wall of the barb 205 is slidably connected to the mounting shell 201, which facilitates the contraction of the barb 205 into the mounting shell 201.

[0036] Furthermore, the inner side wall of the base 1 is slidably connected to the connecting column 204 to facilitate the movement of the connecting column 204. Two limit grooves 204a are provided at the upper end of the connecting column 204. The limit grooves 204a facilitate the installation of the limit block 206. The connecting column 204 is plugged and connected to the limit block 206 through the limit grooves 204a to facilitate the movement of the limit block 206, wherein the limit block 206 can limit the connecting column 204.

[0037] The operation process of this embodiment is as follows: the base 1 is placed at the entrance of the tunnel, and the mounting shell 201 is inserted into the ground through the drill bit 202. At the same time, the barb 205 can increase the friction force to prevent the movement of the mounting shell 201, so that the connection between the base and the ground is more secure, so as to achieve a better supporting effect. When disassembling, the limit block 206 is pulled out to release the limit between the connecting column 204 and the base 1, and the connecting column 204 is pressed downward to compress the reset spring 203, so as to facilitate the retraction of the barb 205 into the mounting shell 201, so as to facilitate the pulling out of the mounting shell 201 from the ground and facilitate disassembly. Specific embodiment 2

[0039] See also Figure 1 , Figure 2 and Figure 4On the basis of the specific embodiment 1, an air delivery component 3 is installed on the lower side wall of the protection plate 102. The air delivery component 3 can deliver air to the other end of the support device to avoid the thin air causing discomfort to the installers, thereby solving the problem that the existing support device will cause discomfort to the installers when installed at the deepest part.

[0040] Specifically, the inner wall of the installation box 301 of the gas transmission component 3 is connected to the exhaust fan 302 through the motor frame to fix the exhaust fan 302, wherein the installation box 301 facilitates the installation of the exhaust fan 302, and the exhaust fan 302 can draw air into the installation box 301. The exhaust port on the rear wall of the installation box 301 is sealed with the air outlet pipe 303, and the air outlet pipe 303 serves the effect of transporting air. The air outlet pipe 303 is connected to the stretching tube 305 through the sealing ring 304 to avoid air leakage, and is fixedly connected to the fixing block 306 on the outer wall of the stretching tube 305, and the fixing block 306 can fix the stretching tube 305.

[0041] Furthermore, the lower side wall of the installation box 301 is bolted to the support plate 402, and the support plate 402 plays a supporting role. The left side wall of the support plate 402 is bolted to the protective plate 102 to fix the support plate 402 so as to play a better supporting role. At the same time, the upper side wall of the air outlet pipe 303 is snap-connected to the protective plate 102 to limit the air outlet pipe 303 and avoid shaking of the air outlet pipe 303. At the same time, the upper side wall of the fixing block 306 is detachably fixed to the stretching plate 401 to fix the fixing block 306 so as to better fix the stretching tube 305.

[0042] The operation process of this embodiment is: the air is drawn into the installation box 301 through the exhaust fan 302, and discharged through the air outlet pipe 303 under the action of pressure, and the air leakage is prevented by the sealing ring 304. At the same time, when the staff stretches the support length, the stretching tube 305 will stretch along with the stretching plate 401, so that the air can be input to the leftmost end of the device all the time, so that as the installation depth increases, air can also be provided to the installer to avoid causing discomfort to the installer. Specific embodiment three

[0044] See also Figure 1 , Figure 2 and Figure 5 On the basis of the specific embodiment 1 and the specific embodiment 2, a stretching component 4 is installed on the left side wall of the protection plate 102 to achieve the effect of adjusting the support length.

[0045] Specifically, the lower side wall of the stretching plate 401 of the stretching assembly 4 is fixedly connected to the support plate 402, and the support plate 402 plays the effect of supporting the stretching plate 401. The outer side wall of the support plate 402 is slidably connected to the adjustment plate 403 to facilitate the movement of the adjustment plate 403. At the same time, the outer side wall of the support plate 402 and the adjustment plate 403 are provided with limiting grooves 204a of the same size to facilitate the installation of the limiting plate 404. The support plate 402 is plug-connected with the limiting plate 404 through the limiting groove 204a to facilitate the movement of the limiting plate 404. The outer side wall of the adjustment plate 403 is connected to the support plate 402 through the limiting plate 404, and the connection between the adjustment plate 403 and the support plate 402 is completed through the limiting plate 404.

[0046] Furthermore, the right side wall of the stretching plate 401 is plugged into the protective plate 102 to facilitate the storage of the stretching plate 401 into the protective plate 102. At the same time, the lower side wall of the adjustment plate 403 is fixedly connected to the ground nails 405 to achieve integration and facilitate synchronous movement. The ground nails 405 make the connection between the adjustment plate 403 and the ground more secure, thereby enhancing the supporting effect.

[0047] The operation process of this embodiment is as follows: when facing tunnels of different lengths, the operator pulls the stretching plate 401 and pulls the stretching plate 401 out of the protective plate 102 to adjust the support length. After adjusting to the required length, the limit plate 404 is pulled out, and the position of the adjustment plate 403 is adjusted to support the adjustment plates 403 on both sides to contact the ground respectively, and the ground nails 405 are inserted into the ground to enhance the connection effect between the adjustment plate 403 and the ground and achieve better support effect.

[0048] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0049] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A temporary support device for a tunnel for mining engineering, comprising a base (1), a support column (101) and a protection plate (102), wherein the upper side wall of the base (1) is fixedly connected to the support column (101), and the upper side wall of the support column (101) is fixedly connected to the protection plate (102), characterized in that: A support assembly (2) is installed on the bottom side wall of the base (1), a stretching assembly (4) is installed on the left side wall of the protection plate (102), and a gas transmission assembly (3) is installed on the lower side wall of the protection plate (102); A drill bit (202) is installed on the lower side wall of the mounting shell (201) of the support assembly (2), a return spring (203) is installed on the inner side wall of the mounting shell (201), a connecting column (204) is installed on the upper side wall of the return spring (203), both ends of the connecting column (204) are connected to the barb (205) via a rotating shaft, and a limit block (206) is installed on the upper end of the connecting column (204); An exhaust fan (302) is installed on the inner side wall of the installation box (301) of the gas delivery assembly (3), an air outlet pipe (303) is installed on the air outlet of the rear side wall of the installation box (301), the air outlet pipe (303) is connected to the stretch tube (305) through a sealing ring (304), and a fixing block (306) is installed on the outer side wall of the stretch tube (305); Support plates (402) are symmetrically mounted at both ends of the lower side wall of the stretching plate (401) of the stretching assembly (4), adjustment plates (403) are mounted on the outer side walls of the support plates (402), limiting plates (404) are mounted on the outer side walls of the adjustment plates (403), and a plurality of ground pins (405) are mounted on the lower side wall of the adjustment plate (403).

2. A temporary support device for a mining tunnel according to claim 1, characterized in that: The inner side wall of the base (1) is slidably connected to the connecting column (204); two limiting grooves (204a) are provided at the upper end of the connecting column (204); and the connecting column (204) is plug-connected to the limiting block (206) via the limiting grooves (204a).

3. A temporary support device for a mining tunnel according to claim 1, characterized in that: Both ends of the connecting column (204) are provided with mounting grooves, and a barb (205) is installed in the mounting groove of the connecting column (204), and the outer side wall of the barb (205) is slidably connected to the mounting shell (201).

4. A temporary support device for a mining tunnel according to claim 1, characterized in that: The lower side wall of the connecting column (204) is fixedly connected to the moving end of the return spring (203), the fixed end of the return spring (203) is fixedly connected to the mounting shell (201), and the lower side wall of the mounting shell (201) is fixedly connected to the drill bit (202).

5. A temporary support device for a mining tunnel according to claim 1, characterized in that: The lower side wall of the installation box (301) is bolted to the support plate (402), the left side wall of the support plate (402) is bolted to the protection plate (102), and the inner side wall of the installation box (301) is connected to the exhaust fan (302) via a motor frame.

6. A temporary support device for a mining tunnel according to claim 1, characterized in that: The air outlet on the rear side wall of the installation box (301) is sealedly connected to the air outlet pipe (303), and the upper side wall of the air outlet pipe (303) is snap-connected to the protection plate (102).

7. A temporary support device for a mining tunnel according to claim 1, characterized in that: The outer side wall of the stretching tube (305) is fixedly connected to the fixing block (306), and the upper side wall of the fixing block (306) is detachably fixedly connected to the stretching plate (401).

8. A temporary support device for a mining tunnel according to claim 1, characterized in that: The right side wall of the stretching plate (401) is plug-connected to the protection plate (102), the lower side wall of the stretching plate (401) is fixedly connected to the support plate (402), and the outer side wall of the support plate (402) is slidably connected to the adjustment plate (403).

9. A temporary support device for a mining tunnel according to claim 1, characterized in that: The outer side wall of the support plate (402) and the adjustment plate (403) are provided with limiting grooves (204a) of the same size, the support plate (402) is plug-connected with the limiting plate (404) via the limiting grooves (204a), the outer side wall of the adjustment plate (403) is connected with the support plate (402) via the limiting plate (404), and the lower side wall of the adjustment plate (403) is fixedly connected with the ground nail (405).

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