CN211058828U - Improved temporary supporting equipment for coal mine tunnel - Google Patents
Improved temporary supporting equipment for coal mine tunnel Download PDFInfo
- Publication number
- CN211058828U CN211058828U CN201922082329.8U CN201922082329U CN211058828U CN 211058828 U CN211058828 U CN 211058828U CN 201922082329 U CN201922082329 U CN 201922082329U CN 211058828 U CN211058828 U CN 211058828U
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- Prior art keywords
- damping
- bar
- plate
- block
- coal mine
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- 239000003245 coal Substances 0.000 title claims abstract description 21
- 238000013016 damping Methods 0.000 claims abstract description 75
- 238000009434 installation Methods 0.000 claims abstract description 33
- 230000035939 shock Effects 0.000 claims description 9
- 239000006096 absorbing agent Substances 0.000 claims 1
- 230000001681 protective effect Effects 0.000 description 16
- 239000004575 stone Substances 0.000 description 12
- 238000009412 basement excavation Methods 0.000 description 6
- 230000003014 reinforcing effect Effects 0.000 description 6
- 230000005484 gravity Effects 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an improved temporary support device for coal mine tunnels, which comprises a plurality of expansion plates, wherein the top parts of the expansion plates are fixedly provided with damping members, each damping member comprises a bar-shaped column fixed at the top part of the expansion plate, an installation cavity is arranged in the bar-shaped column, the bottom surface in the installation cavity is fixedly connected with a first damping spring, the free end of the first damping spring is fixedly connected with a bar-shaped damping block, the top end of the bar-shaped damping block slides and penetrates through the top part of the installation cavity, the side walls at the two ends of the bar-shaped damping block are fixedly provided with a first side plate, the bottom part of the first side plate is fixedly provided with a damping rod, the lower end of the side wall at the two ends of the bar-shaped column is fixedly provided with a second side plate, the top part of the second side plate is fixedly provided with a damping cylinder, the bottom surface in the damping cylinder, and the top of bar snubber block is fixedly equipped with the installation piece, and movable mounting has the protection roof on the installation piece.
Description
Technical Field
The utility model relates to a coal mining correlation technique field specifically is a modified is used for temporary support equipment in coal mine tunnel.
Background
When the excavation and mining of the underground coal mine roadway are carried out, if the underground roadway cannot be supported in time, the problems of deformation, displacement, damage and the like of surrounding rocks of the underground roadway can be caused, and further the underground roadway excavation construction can not be smoothly and safely carried out, the geological structure, excavation equipment, excavation process and excavation speed need to be considered in the excavation construction of the underground roadway, so that the coal mine roadway supporting equipment appears on the market under the condition of the situation, but most of the existing supporting equipment is welded, the later-period disassembly is difficult, and meanwhile, in the smashing and falling process of objects such as stones and the like, the protective top plate can also be smashed under heavy objects for a long time, the situation of breakage occurs, the device is damaged, and the working efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a modified is used for temporary support equipment in coal mine tunnel to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an improved temporary supporting device for a coal mine tunnel comprises a plurality of expansion plates, wherein a damping component is fixedly mounted at the top of each expansion plate, the damping component comprises a bar-shaped column fixed at the top of each expansion plate, an installation cavity is arranged in each bar-shaped column, a first damping spring is fixedly connected to the bottom surface in each installation cavity, a bar-shaped damping block is fixedly connected to the free end of each first damping spring, the top end of each bar-shaped damping block penetrates through the top of each installation cavity in a sliding mode, first side plates are fixedly arranged on the side walls at the two ends of each bar-shaped damping block, a damping rod is fixedly arranged at the bottom of each first side plate, second side plates are fixedly arranged at the lower ends of the side walls at the two ends of each bar-shaped column, a damping cylinder is fixedly arranged at the top of each second side plate, the top of each damping cylinder is an open port, a second damping spring is fixedly connected to the bottom, the disc sliding clamping is connected in the shock absorption cylinder in a clamping mode, the top center of the disc is in movable contact with the bottom of the shock absorption rod, the mounting block is fixedly arranged at the top of the bar-shaped shock absorption block, the mounting block is movably provided with a protection top plate, and the protection top plate is of a ridge shape.
As a preferred technical scheme of the utility model, the fixed guide block that is equipped with in one end lower part both sides that the bar snubber block is located the installation cavity, the inner wall and the guide block cooperation of installation cavity are equipped with the guide way.
As a preferred technical scheme of the utility model, the top of installation piece is equipped with the draw-in groove, the bottom and the draw-in groove cooperation fixture block of protection roof, the lateral wall of fixture block is equipped with the second screw, and the lateral wall of installation piece is equipped with first screw with the cooperation of second screw, communicate each other between first screw and the draw-in groove, and first screw is inserted with second screw internal thread and is equipped with positioning bolt.
As a preferred technical scheme of the utility model, the fixed anchor strut that is equipped with in bottom of second curb plate, the other end of anchor strut and the lateral wall upper end fixed connection of expansion plate, and the obtuse angle contained angle of anchor strut and expansion plate lateral wall is one hundred sixty degrees.
As a preferred technical scheme of the utility model, the expansion plate includes mainboard and subplate, the fixed inserted block that is equipped with in top of mainboard, the bottom and the inserted block cooperation of subplate are equipped with the slot, and the lateral wall of inserted block is equipped with the regulation hole that a plurality of is straight line distribution from top to bottom in proper order, the lateral wall lower extreme and the regulation hole cooperation of subplate are equipped with the locating hole, the locating hole is pegged graft with the regulation hole internal thread and is had the locating pin.
As a preferred technical scheme of the utility model, the fixed plate that is equipped with of both ends lateral wall lower extreme of mainboard, be equipped with the fixed orifices on the fixed plate, the activity is inserted in the fixed orifices and is equipped with the ground stake.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the clamping block of roof bottom will be protected inserts the draw-in groove at installation piece top in, aligns first screw with the second screw after through positioning bolt fixed mounting, assembles into a complete equipment of strutting, places in coal mine tunnel, utilizes the protection roof to block debris such as the stone that drops, protects the staff.
2. Through twice cushioning effect, play a guard action to the protection roof, prevent to pound at the stone and move down, the protection roof is pounded absolutely, and the protection roof is the ridge form simultaneously, makes the stone roll down from its top fast, avoids causing and piles up, finishes using in the later stage, can realize demolising protection roof and shock-absorbing component fast, plays quick assembly disassembly's purpose, the depositing in the later stage of being convenient for.
3. Different adjusting holes on the locating hole on the auxiliary plate and the lateral wall of the inserting block are aligned, the locating pin is utilized for fixing, the distance between the main plate and the auxiliary plate is adjusted, the height of the adjusting plate is adjusted, the height adjustment of the whole supporting equipment is realized, and the device is suitable for different coal mine tunnels and has strong practicability.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the adjusting plate of the present invention after being disassembled;
FIG. 3 is a schematic view of the connection structure of the shock absorbing member of the present invention;
fig. 4 is a schematic view of the internal connection structure of the middle damping member of the present invention.
In the figure: the damping device comprises a telescopic plate 1, a main plate 11, a secondary plate 12, an inserting block 13, a slot 14, an adjusting hole 15, a positioning hole 16, a fixing plate 17, a fixing hole 18, a damping member 2, a strip-shaped column 21, a mounting cavity 22, a first damping spring 23, a strip-shaped damping block 24, a first side plate 25, a damping rod 26, a second side plate 27, a damping cylinder 28, a second damping spring 29, a disc 210, a guide block 211, a guide groove 212, a reinforcing rod 213, a mounting block 214, a clamping groove 215, a first screw hole 216, a protective top plate 3, a clamping block 31 and a second screw hole 32.
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.
Referring to fig. 1-4, the present invention provides a technical solution: an improved temporary support device for a coal mine roadway comprises a plurality of expansion plates 1, a damping member 2 is fixedly installed at the top of each expansion plate 1, each damping member 2 comprises a strip-shaped column 21 fixed at the top of each expansion plate 1, an installation cavity 22 is arranged in each strip-shaped column 21, a first damping spring 23 is fixedly connected to the bottom surface in each installation cavity 22, a strip-shaped damping block 24 is fixedly connected to the free end of each first damping spring 23, the top end of each strip-shaped damping block 24 penetrates through the top of each installation cavity 22 in a sliding mode, first side plates 25 are fixedly arranged on the side walls at two ends of each strip-shaped damping block 24, a damping rod 26 is fixedly arranged at the bottom of each first side plate 25, second side plates 27 are fixedly arranged at the lower ends of the side walls at two ends of each strip-shaped column 21, a damping cylinder 28 is fixedly arranged at the top of each second side plate 27, the top of each damping cylinder, the free end of the second damping spring 29 is fixedly connected with a disc 210, the disc 210 is clamped in the damping cylinder 28 in a sliding manner, the top center of the disc 210 is in movable contact with the bottom of the damping rod 26, the top of the strip-shaped damping block 24 is fixedly provided with an installation block 214, a protective top plate 3 is movably installed on the installation block 214, the protective top plate 3 is in a ridge shape, the top of the installation block 214 is provided with a clamping groove 215, the bottom of the protective top plate 3 is matched with the clamping groove 215 to form a clamping block 31, the side wall of the clamping block 31 is provided with a second screw hole 32, the side wall of the installation block 214 is matched with the second screw hole 32 to form a first screw hole 216, the first screw hole 216 is communicated with the clamping groove 215, a positioning bolt is inserted into the internal thread of the first screw hole 216 and the second screw hole 32, the clamping block 31 at the bottom of the protective top plate 3 is inserted into the clamping groove 215 at the top of the installation block, the complete supporting device is assembled and placed in a coal mine tunnel, the falling sundries such as stones and the like are blocked by the protective top plate 3 to protect workers, the first damping spring 23 is compressed by the strip-shaped damping block 24 under the action of gravity after the objects such as the stones and the like fall on the top of the protective top plate 3 to absorb shock, primary damping is realized, after the first damping spring 23 is compressed to a certain extent, the damping rod 26 is in contact with the disc 210 in the damping cylinder 28, the second damping spring 29 is compressed under the action of gravity to counteract the shock again to realize secondary damping, a protective effect is realized on the protective top plate 3 through two times of damping, the protective top plate 3 is prevented from being broken by smashing of the stones, meanwhile, the protective top plate 3 is in a ridge shape, so that the stones can quickly roll down from the top of the protective top plate, avoid causing and pile up, use to finish in the later stage, can dismantle protection roof 3 and damping member 2 realization fast, play quick assembly disassembly's purpose, the depositing in the later stage of being convenient for.
The bottom of the second side plate 27 is fixedly provided with a reinforcing rod 213, the other end of the reinforcing rod 213 is fixedly connected with the upper end of the side wall of the expansion plate 1, the obtuse included angle between the reinforcing rod 213 and the side wall of the expansion plate 1 is one hundred sixty degrees, and the reinforcing rod 213 is used for reinforcing the gravity of the second side plate 27.
Expansion plate 1 includes mainboard 11 and subplate 12, the fixed inserted block 13 that is equipped with in top of mainboard 11, the bottom of subplate 12 is equipped with slot 14 with the cooperation of inserted block 13, and the lateral wall of inserted block 13 is equipped with a plurality of regulation hole 15 that is straight line distribution from top to bottom in proper order, the lateral wall lower extreme and the regulation hole 15 cooperation of subplate 12 are equipped with locating hole 16, locating hole 16 and the 15 internal threads of regulation hole are pegged graft and are had the locating pin, the locating hole 16 through on the subplate 12 aligns with different regulation hole 15 on the 13 lateral wall of inserted block, utilize the locating pin to fix, adjust the interval between mainboard 11 and the subplate 12, and then adjust the height of regulating plate 1, realize the altitude mixture control of whole supporting equipment, use in order to adapt to different coal mine tunnels.
The fixing plates 17 are fixedly arranged at the lower ends of the side walls at the two ends of the main board 11, the fixing plates 17 are provided with fixing holes 18, ground piles are movably inserted in the fixing holes 18, floor tiles are inserted into the fixing holes 18 and go deep under the ground, and the position of the adjusting plate 1 is fixed.
The working principle is as follows: in daily use of the utility model, the clamping block 31 at the bottom of the protective roof plate 3 is inserted into the clamping groove 215 at the top of the mounting block 214, the first screw hole 216 is aligned with the second screw hole 32 and then fixedly mounted through the positioning bolt to assemble a complete supporting device which is placed in a coal mine tunnel, the protective roof plate 3 is utilized to block falling sundries such as stones, the workers are protected, the objects such as stones fall on the top of the protective roof plate 3, under the action of gravity, the first damping spring 23 is compressed through the bar-shaped damping block 24 to absorb shock, primary damping is realized, after the first damping spring 23 is compressed to a certain step, the damping rod 26 is contacted with the disc 210 in the damping cylinder 28, under the action of gravity, the second damping spring 29 is compressed, the shock force is counteracted again, secondary damping is realized, and through twice damping effects, play a guard action to protection roof 3, prevent to move down at pounding of stone, protection roof 3 is pounded absolutely, and protection roof 3 is the ridge form simultaneously, makes the stone roll down from its top fast, avoids causing and piles up, finishes using in the later stage, can will protect roof 3 and damping member 2 fast and realize demolising, plays quick assembly disassembly's purpose, the depositing in the later stage of being convenient for.
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. The utility model provides a modified is used for temporary support equipment in coal mine tunnel, includes a plurality of expansion plate (1), its characterized in that: the damping structure comprises a plurality of telescopic plates (1), wherein a damping component (2) is fixedly mounted at the top of each telescopic plate (1), each damping component (2) comprises a bar-shaped column (21) fixed at the top of each telescopic plate (1), an installation cavity (22) is arranged in each bar-shaped column (21), a first damping spring (23) is fixedly connected to the inner bottom surface of each installation cavity (22), a bar-shaped damping block (24) is fixedly connected to the free end of each first damping spring (23), the top end of each bar-shaped damping block (24) penetrates through the top of each installation cavity (22) in a sliding manner, first side plates (25) are fixedly arranged on the side walls at the two ends of each bar-shaped damping block (24), damping rods (26) are fixedly arranged at the bottoms of the first side plates (25), second side plates (27) are fixedly arranged at the lower ends of the side walls at the two ends of each bar-, the top of damper cylinder (28) is the opening, and bottom fixedly connected with second damping spring (29) in damper cylinder (28), the free end fixedly connected with disc (210) of second damping spring (29), disc (210) slip joint is in damper cylinder (28), and the top center of disc (210) and the bottom movable contact of shock absorber pole (26), and the fixed installation piece (214) that is equipped with in top of bar snubber block (24), movable mounting has protection roof (3) on installation piece (214), protection roof (3) are ridge-shaped room.
2. An improved temporary support apparatus for a coal mine roadway as claimed in claim 1, wherein: the bar-shaped damping block (24) is located the fixed guide block (211) that is equipped with in one end lower part both sides in installation cavity (22), the inner wall and the guide block (211) cooperation of installation cavity (22) are equipped with guide way (212).
3. An improved temporary support apparatus for a coal mine roadway as claimed in claim 1, wherein: the top of installation piece (214) is equipped with draw-in groove (215), the bottom and draw-in groove (215) cooperation fixture block (31) of protection roof (3), the lateral wall of fixture block (31) is equipped with second screw (32), and the lateral wall and the second screw (32) cooperation of installation piece (214) are equipped with first screw (216), communicate each other between first screw (216) and draw-in groove (215), and first screw (216) and second screw (32) internal thread insert and are equipped with positioning bolt.
4. An improved temporary support apparatus for a coal mine roadway as claimed in claim 1, wherein: the fixed gusset bar (213) that is equipped with in bottom of second curb plate (27), the other end of gusset bar (213) and the lateral wall upper end fixed connection of expansion plate (1), and the obtuse angle contained angle of gusset bar (213) and expansion plate (1) lateral wall is one hundred sixty degrees.
5. An improved temporary support apparatus for a coal mine roadway as claimed in claim 1, wherein: the retractable plate (1) comprises a main plate (11) and an auxiliary plate (12), an inserting block (13) is fixedly arranged at the top of the main plate (11), a slot (14) is formed in the bottom of the auxiliary plate (12) and matched with the inserting block (13), a plurality of adjusting holes (15) which are distributed linearly are sequentially formed in the side wall of the inserting block (13) from top to bottom, positioning holes (16) are formed in the lower end of the side wall of the auxiliary plate (12) and matched with the adjusting holes (15), and positioning pins are inserted into the positioning holes (16) and the adjusting holes (15) in an internal thread mode.
6. An improved temporary support apparatus for a coal mine roadway as claimed in claim 5, wherein: the fixing plate (17) is fixedly arranged at the lower ends of the side walls at the two ends of the main plate (11), a fixing hole (18) is formed in the fixing plate (17), and a ground pile is movably inserted in the fixing hole (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922082329.8U CN211058828U (en) | 2019-11-28 | 2019-11-28 | Improved temporary supporting equipment for coal mine tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922082329.8U CN211058828U (en) | 2019-11-28 | 2019-11-28 | Improved temporary supporting equipment for coal mine tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211058828U true CN211058828U (en) | 2020-07-21 |
Family
ID=71589447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922082329.8U Expired - Fee Related CN211058828U (en) | 2019-11-28 | 2019-11-28 | Improved temporary supporting equipment for coal mine tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211058828U (en) |
-
2019
- 2019-11-28 CN CN201922082329.8U patent/CN211058828U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200721 |