CN209780932U - Tunneling and shielding device for coal mining - Google Patents
Tunneling and shielding device for coal mining Download PDFInfo
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- CN209780932U CN209780932U CN201920664543.1U CN201920664543U CN209780932U CN 209780932 U CN209780932 U CN 209780932U CN 201920664543 U CN201920664543 U CN 201920664543U CN 209780932 U CN209780932 U CN 209780932U
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Abstract
The utility model discloses a tunneling shield device for coal mining, which comprises a support component, a hydraulic component and a shield component, wherein the shield component is arranged at the top of the support component, and the support component is connected with the shield component through the hydraulic component; the shield assembly comprises a top plate, a first front beam, a second front beam, a third hydraulic rod, a fourth hydraulic rod, a plate body and a limiting part, wherein one side of the top plate is rotatably connected with the first front beam, and the top plate is connected with the first front beam through the third hydraulic rod; the user is when using the tunnelling to shield the device, by hydraulic assembly's work, makes the top of the attached ore hole of roof, then by the work of third hydraulic stem, makes two front joists attached at the top of ore hole, and at this moment, by the work of fourth hydraulic stem, makes the second front joist slide on first front joist inner wall, and then has adjusted the length of second front joist, is convenient for strut the top in ore hole, has increased staff's factor of safety.
Description
Technical Field
The utility model relates to a colliery tunnelling shields technical field, specifically is a tunnelling that coal mining adopted shields device.
background
Coal mines are areas where humans mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and opencast coal mines. When the coal seam is far from the ground surface, a tunnel is usually dug to the underground, so that the coal is a mineworker coal mine. When the coal bed is very close to the earth surface, the coal is generally excavated by directly stripping the earth surface soil layer, namely an open pit coal mine; the coal mine needs to be continuously tunneled in the mining process, shielding needs to be carried out in the tunneling process so as to avoid sudden collapse accidents in the tunneling process, and the phenomenon is mostly generated at the top and the side wall of the coal mine tunnel.
the prior art has the following problems:
The invention discloses a tunneling shield device for coal mining, which comprises a base, a mutual moving frame and a first hydraulic rod, wherein the mutual moving frame is welded on the left side of the base, the top end of the base is connected with the first hydraulic rod through a screw, the top end of the first hydraulic rod is connected with a top beam through a screw, the left side of the top beam is connected with a front beam through a shaft, the left side of the bottom end of the top beam is connected with a third hydraulic rod through a screw, the right side of the top beam is connected with a shield beam through a shaft, the top end of the top beam is connected with an air spring through a screw from left to right, and the bottom end of a rectangular box is connected with a warning lamp through a gap arrangement screw. This tunnelling that coal mining adopted shields device through empty spring roof lapse, makes empty spring and rubber column shrink, drives connecting rod lapse and switch contact, makes the switch lapse to the closure simultaneously, makes the warning light, can carry out the early warning to the collapse in advance, and this scheme is not convenient for adapt to different mine holes, leads to shielding the device and is not convenient for strut the mine hole top, brings the potential safety hazard for the staff.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a device is shielded in tunnelling that coal mining adopted, in order to solve the tunnelling that proposes the adoption in the above-mentioned background art and shield the device, through empty spring roof lapse, make empty spring and rubber column shrink, drive connecting rod lapse and switch contact, make switch lapse to the closure simultaneously, make the warning lamp light, can carry out the early warning in advance to collapse, and this scheme is not convenient for adapt to different mine holes, lead to shielding the device and be not convenient for strut the mine hole top, bring the problem of potential safety hazard for the staff.
In order to achieve the above object, the utility model provides a following technical scheme: a tunneling shield device for coal mining comprises a support component, a hydraulic component and a shield component, wherein the shield component is arranged at the top of the support component, and the support component is connected with the shield component through the hydraulic component;
The shield assembly comprises a top plate, a first front beam, a second front beam, a third hydraulic rod, a fourth hydraulic rod, a plate body and a limiting portion, wherein one side of the top plate is connected with the first front beam in a rotating mode, the top plate is connected with the first front beam through the third hydraulic rod, an electrical input end of the third hydraulic rod is connected with an external power supply through a wire, the inner side wall of the first front beam is connected with the second front beam in a sliding mode, the inner side wall of the second front beam is welded with the plate body, the limiting portion is welded on one side of the plate body, the lower surface of the first front beam is fixedly connected with the fourth hydraulic rod, an output shaft of the fourth hydraulic rod is fixedly connected with the limiting portion, sliders are welded on the front surface and the rear surface of the second front beam, and an electrical input end of the fourth hydraulic rod is connected with the external power supply through a wire.
as further preferable in the present technical solution: the supporting component comprises a base, a first supporting arm and a second supporting arm, the inner side wall of the base is connected with the first supporting arm in a rotating mode, the outer side wall of the first supporting arm is close to the upper portion of the base, and the second supporting arm is connected with the upper portion of the base in a rotating mode.
As further preferable in the present technical solution: the hydraulic component comprises a first hydraulic rod and a second hydraulic rod, the top of the base is close to one side of the first supporting arm, the second hydraulic rod and the first hydraulic rod are installed on one side of the first supporting arm respectively, and the electric input ends of the first hydraulic rod and the second hydraulic rod are connected with an external power supply through wires.
As further preferable in the present technical solution: and the output shafts of the first hydraulic rod and the second hydraulic rod are fixedly connected with the top plate.
As further preferable in the present technical solution: the bottom of base is provided with removes the subassembly.
As further preferable in the present technical solution: the movable assembly comprises a traveling wheel, a sliding rail, a sliding groove rail and a bolt, the bottom middle position of the base is fixedly connected with the traveling wheel, the bottom of the base is close to the two sides of the traveling wheel, the sliding rail is welded to the two sides of the traveling wheel respectively, the outer side wall of the sliding rail is connected with the sliding groove rail in a sliding mode, threaded holes are evenly formed in one side of the sliding groove rail, and the sliding rail is connected with the sliding groove rail through the bolt and the threaded holes.
Compared with the prior art, the beneficial effects of the utility model are that: the user is when using the tunnelling to shield the device, by hydraulic assembly's work, makes the top of the attached ore hole of roof, then by the work of third hydraulic stem, makes two front joists attached at the top of ore hole, and at this moment, by the work of fourth hydraulic stem, makes the second front joist slide on first front joist inner wall, and then has adjusted the length of second front joist, is convenient for strut the top in ore hole, has increased staff's factor of safety.
drawings
Fig. 1 is a schematic structural view of the present invention;
Fig. 2 is a schematic view of the connection bottom structure of the first front beam and the second front beam of the present invention;
Fig. 3 is a side view schematic diagram of the slide rail and the chute track connection of the present invention.
In the figure: 110. a support assembly; 111. a base; 112. a first support arm; 113. a second support arm; 120. a moving assembly; 121. a traveling wheel; 122. a slide rail; 123. a chute track; 1231. a threaded hole; 124. a bolt; 130. a hydraulic assembly; 131. a first hydraulic lever; 132. a second hydraulic rod; 140. a shield assembly; 141. a top plate; 142. a first front beam; 143. a second front beam; 1431. a slider; 144. a third hydraulic lever; 145. a fourth hydraulic lever; 146. a plate body; 147. a limiting part.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-3, the present invention provides a technical solution: a tunneling shield device for coal mining comprises a support assembly 110, a hydraulic assembly 130 and a shield assembly 140, wherein the shield assembly 140 is arranged on the top of the support assembly 110, and the support assembly 110 and the shield assembly 140 are connected through the hydraulic assembly 130;
The shield assembly 140 comprises a top plate 141, a first front beam 142, a second front beam 143, a third hydraulic rod 144, a fourth hydraulic rod 145, a plate body 146 and a limiting part 147, one side of the top plate 141 is rotatably connected to the first front beam 142, the top plate 141 and the first front beam 142 are connected by the third hydraulic rod 144, the electrical input end of the third hydraulic rod 144 is connected to an external power source through a wire, the inner side wall of the first front beam 142 is slidably connected to the second front beam 143, the plate body 146 is welded to the inner side wall of the second front beam 143, the limiting portion 147 is welded to one side of the plate body 146, the fourth hydraulic rod 145 is fixedly connected to the lower surface of the first front beam 142, the output shaft of the fourth hydraulic rod 145 is fixedly connected to the limiting portion 147, sliding blocks 1431 are welded to the front and rear surfaces of the second front beam 143, and an electrical input end of the fourth hydraulic rod 145 is connected to an external power source through a wire.
In this embodiment, specifically: the support assembly 110 comprises a base 111, a first support arm 112 and a second support arm 113, wherein the inner side wall of the base 111 is rotatably connected with the first support arm 112, and the outer side wall of the first support arm 112 is adjacent to the upper part of the base 111 and is rotatably connected with the second support arm 113; the arrangement of the first support arm 112 and the second support arm 113 limits the rotation angle of the roof 141, so that the roof 141 can be attached to the top of the mine hole conveniently.
In this embodiment, specifically: the hydraulic assembly 130 comprises a first hydraulic rod 131 and a second hydraulic rod 132, the second hydraulic rod 132 and the first hydraulic rod 131 are respectively installed on one side of the top of the base 111 close to the first support arm 112, and electrical input ends of the first hydraulic rod 131 and the second hydraulic rod 132 are connected with an external power supply through wires; the arrangement of the first hydraulic rod 131 and the second hydraulic rod 132 facilitates the change of the angle of the roof 141, so that the mine hole is supported.
In this embodiment, specifically: the output shafts of the first hydraulic rod 131 and the second hydraulic rod 132 are both fixedly connected with the top plate 141; the two hydraulic rods are arranged to support the roof 141, so that the mine cavity is conveniently supported.
In this embodiment, specifically: the bottom of the base 111 is provided with a moving assembly 120; the displacement of the ripping shield apparatus is facilitated by the provision of the movement assembly 120.
In this embodiment, specifically: the moving assembly 120 comprises a traveling wheel 121, a sliding rail 122, a chute track 123 and a bolt 124, the traveling wheel 121 is fixedly connected at the middle position of the bottom of the base 111, the sliding rail 122 is welded at the bottom of the base 111 close to two sides of the traveling wheel 121 respectively, the outer side wall of the sliding rail 122 is connected with the chute track 123 in a sliding manner, threaded holes 1231 are uniformly formed in one side of the chute track 123, and the sliding rail 122 and the chute track 123 are connected with the threaded holes 1231 through the bolt 124; the base 111 is pushed by external equipment, the sliding rail 122 at the bottom of the base 111 slides in the chute rail 123, so that the whole device can be conveniently moved to a place needing to be supported by a mine cave, and after the whole device is moved to the place needing to be supported, the sliding rail 122 is firmly fixed in the chute rail 123 after being screwed into the threaded holes 1231 on the sliding rail 122 and the chute rail 123 by the bolts 124.
In this embodiment, the types of the first hydraulic rod 131 and the second hydraulic rod 132 are SC160, the types of the third hydraulic rod 144 and the fourth hydraulic rod 145 are QM105, and the limiting portion 147 is made of a metal material and has a hollow cylindrical structure.
Working principle or structural principle: when the user uses the excavation shield apparatus, first, the base 111 is pushed by the external device, the slide rail 122 at the bottom of the base 111 slides in the chute rail 123, so as to move the whole device to the place needing to be supported by the mine cave, after moving to the place needing to be supported by the mine cave, after being screwed into the threaded holes 1231 on the slide rail 122 and the chute rail 123 by the bolts 124, the slide rail 122 is fixed in the chute rail 123, after being fixed, the user controls the switch to make the first hydraulic rod 131 and the second hydraulic rod 132 push the top plate 141, the first supporting arm 112 rotates on the base 111, the second supporting arm 113 rotates on the first supporting arm 112 and the top plate 141, when the top plate 141 is attached to the top of the mine cave, the pushing is stopped, then, the switch is controlled again, so that the third hydraulic rod 144 drives the first front beam 142 to rotate on the top plate 141, the first front beam 142 and the second front beam 143 are attached to the top of the mine hole to support the mine hole; the control switch is operated by the fourth hydraulic rod 145 to push the limit portion 147, so that the second front beam 143 slides in the first front beam 142, the length of the second front beam 143 is changed, and the position of the second front beam 143 is limited by the arrangement of the slider 1431 during the sliding process.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A tunneling shield device for coal mining is characterized in that: the shield assembly comprises a support assembly (110), a hydraulic assembly (130) and a shield assembly (140), wherein the shield assembly (140) is arranged on the top of the support assembly (110), and the support assembly (110) and the shield assembly (140) are connected through the hydraulic assembly (130);
The shield assembly (140) comprises a top plate (141), a first front beam (142), a second front beam (143), a third hydraulic rod (144), a fourth hydraulic rod (145), a plate body (146) and a limiting part (147), one side of the top plate (141) is rotatably connected with the first front beam (142), the top plate (141) is connected with the first front beam (142) through the third hydraulic rod (144), the electric input end of the third hydraulic rod (144) is connected with an external power supply through a lead, the inner side wall of the first front beam (142) is slidably connected with the second front beam (143), the plate body (146) is welded on the inner side wall of the second front beam (143), the limiting part (147) is welded on one side of the plate body (146), the fourth hydraulic rod (145) is fixedly connected to the lower surface of the first front beam (142), and the output shaft of the fourth hydraulic rod (145) is fixedly connected with the limiting part (147), sliding blocks (1431) are welded on the front surface and the rear surface of the second front beam (143), and an electrical input end of the fourth hydraulic rod (145) is connected with an external power supply through a lead.
2. A tunnelling shield for coal mining as claimed in claim 1, in which: the support component (110) comprises a base (111), a first support arm (112) and a second support arm (113), wherein the inner side wall of the base (111) is rotatably connected with the first support arm (112), and the outer side wall of the first support arm (112) is close to the upper part of the base (111) and is rotatably connected with the second support arm (113).
3. A tunnelling shield for coal mining as claimed in claim 2, wherein: the hydraulic assembly (130) comprises a first hydraulic rod (131) and a second hydraulic rod (132), the second hydraulic rod (132) and the first hydraulic rod (131) are respectively installed on one side, close to the first supporting arm (112), of the top of the base (111), and the electrical input ends of the first hydraulic rod (131) and the second hydraulic rod (132) are connected with an external power supply through wires.
4. A tunnelling shield for coal mining as claimed in claim 3, wherein: the output shafts of the first hydraulic rod (131) and the second hydraulic rod (132) are fixedly connected with the top plate (141).
5. A tunnelling shield for coal mining as claimed in claim 2, wherein: the bottom of the base (111) is provided with a moving assembly (120).
6. a tunnelling shield for coal mining as claimed in claim 5, wherein: remove subassembly (120) including walking wheel (121), slide rail (122), spout track (123) and bolt (124), the bottom intermediate position department fixed connection of base (111) walking wheel (121), the bottom of base (111) is close to the both sides of walking wheel (121) have welded respectively slide rail (122), the lateral wall sliding connection of slide rail (122) spout track (123), threaded hole (1231) has evenly been seted up to one side of spout track (123), slide rail (122) with spout track (123) pass through bolt (124) with threaded hole (1231) are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920664543.1U CN209780932U (en) | 2019-05-10 | 2019-05-10 | Tunneling and shielding device for coal mining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920664543.1U CN209780932U (en) | 2019-05-10 | 2019-05-10 | Tunneling and shielding device for coal mining |
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| Publication Number | Publication Date |
|---|---|
| CN209780932U true CN209780932U (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920664543.1U Active CN209780932U (en) | 2019-05-10 | 2019-05-10 | Tunneling and shielding device for coal mining |
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| Country | Link |
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| CN (1) | CN209780932U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356914A (en) * | 2021-07-20 | 2021-09-07 | 福州大学 | Shield support for thin-layer inclined ore body mining support and construction method |
-
2019
- 2019-05-10 CN CN201920664543.1U patent/CN209780932U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356914A (en) * | 2021-07-20 | 2021-09-07 | 福州大学 | Shield support for thin-layer inclined ore body mining support and construction method |
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