CN115405341A - Temporary reinforcing and supporting equipment for coal mine tunnel - Google Patents
Temporary reinforcing and supporting equipment for coal mine tunnel Download PDFInfo
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- CN115405341A CN115405341A CN202211169307.5A CN202211169307A CN115405341A CN 115405341 A CN115405341 A CN 115405341A CN 202211169307 A CN202211169307 A CN 202211169307A CN 115405341 A CN115405341 A CN 115405341A
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- 230000008093 supporting effect Effects 0.000 title claims abstract description 117
- 239000003245 coal Substances 0.000 title claims abstract description 31
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 21
- 230000000670 limiting effect Effects 0.000 claims abstract description 79
- 240000007643 Phytolacca americana Species 0.000 claims description 25
- 230000007246 mechanism Effects 0.000 claims description 12
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 230000009471 action Effects 0.000 abstract description 8
- 239000011435 rock Substances 0.000 abstract description 8
- 230000006978 adaptation Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D19/00—Provisional protective covers for working space
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Abstract
The invention relates to the technical field of coal mine equipment, in particular to temporary reinforcing and supporting equipment for a coal mine roadway. According to the temporary reinforcing and supporting equipment for the coal mine roadway, the cavity is formed in the first supporting plate, the supporting fixing parts are arranged, the cavity is communicated with the limiting sliding sleeves, and the pistons in the limiting sliding sleeves can be pushed to ascend through the air supply device at the same time, so that the second supporting plate ascends at different heights under the action of the pistons and the supporting columns, and is in contact with and supported by the roadway top plate; because the plurality of limiting sliding sleeves are communicated with the cavity, the acting force of the air in the cavity on the piston in the limiting sliding sleeve is consistent, and the roadway can be supported under the condition that the heights of rocks at the top of the roadway are different; through the setting of a plurality of support fixed parts, the different top rocks of adaptation height that can be fine, and then improved the effect of strutting of equipment to the tunnel.
Description
Technical Field
The invention relates to the technical field of coal mine equipment, in particular to temporary reinforcing and supporting equipment for a coal mine roadway.
Background
In the coal mining production process under the coal mine, the tunneling work is an indispensable system engineering, a tunnel can be formed in the underground coal mine in the underground excavation process, roof strata on a coal seam can be unsupported, the original pressure balance is damaged, the roof of the coal seam deforms and is damaged under the action of overlying strata pressure, so that the roof of the coal seam needs to be supported in time and the supporting strength is ensured, the exposed surrounding rock mass is controlled to be temporarily supported before permanent supporting, and the technical problem that the coal mine safety production is troubled for a long time is solved.
Although certain safety measures are adopted for temporary support of a coal mine underground tunneling roadway and certain effect is achieved, the temporary support is affected by uncertain factors such as variable geological conditions of the underground roadway and the like and different rock heights at the top of the roadway, the conventional support device is difficult to support the roadway and cannot well adapt to top rocks with different heights, and the support effect of the support device on the roadway is further reduced.
Disclosure of Invention
The invention aims to provide temporary reinforcing and supporting equipment for a coal mine roadway, which aims to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following scheme: the invention provides temporary reinforcing and supporting equipment for a coal mine tunnel, which comprises a bottom plate, wherein a height adjusting part is fixedly arranged at the top end of the bottom plate, a first supporting plate is fixedly arranged at the top end of the height adjusting part, and a top plate supporting mechanism is arranged at the top end of the first supporting plate; the top plate supporting mechanism comprises a plurality of supporting and fixing parts which are arranged at the top end of the first supporting plate, and the plurality of supporting and fixing parts are arranged at equal intervals along the length direction of the first supporting plate; a support column is arranged in the middle of the support fixing part, a second support plate is hinged to the top end of the support column, and the second support plate is in sliding limit fit with the support fixing part through the support column; a plurality of limiting sliding sleeves are fixedly mounted at the top end of the first supporting plate, the limiting sliding sleeves are respectively arranged in the support fixing parts, and gaps are formed between the limiting sliding sleeves and the support fixing parts; a piston is slidably mounted on the inner wall of the limiting sliding sleeve and fixedly mounted at the bottom end of the supporting column; a cavity is formed in the first supporting plate, and the limiting sliding sleeves are communicated with the cavity; the blow vent is installed to first backup pad bottom, install the valve on the blow vent, the cavity passes through the blow vent intercommunication has air feeder.
Preferably, the support fixing part comprises a first support frame and a second support frame which are fixedly connected to the top end of the first support plate, and the first support frame and the second support frame are symmetrically arranged on two sides of the support column; one side, close to the support column, of the top end of the first support frame and one side, close to the support column, of the top end of the second support frame are hinged with spiral limiting plates, the two spiral limiting plates are arranged in a central symmetry mode by taking the support column as a center, and the support column is in sliding limiting fit with the spiral limiting plates;
one sides, away from the support column, of the two spiral limiting plates are fixedly connected with a first fixing plate and a second fixing plate respectively, the first fixing plate is hinged to the first support frame through the spiral limiting plates, the first fixing plate is arranged under the second support frame, the second fixing plate is hinged to the second support frame through the spiral limiting plates, and the second fixing plate is arranged under the first support frame;
positioning pieces are arranged between the first fixing plate and the second support frame and between the second fixing plate and the first support frame, and the positioning pieces are used for adjusting the distance between the first fixing plate and the second support frame and the distance between the second fixing plate and the first support frame.
Preferably, the vertical projection of the spiral limiting plate is arc-shaped, the central angle corresponding to the vertical projection of the spiral limiting plate is not less than 180 degrees, and the outer diameter of the supporting column is smaller than the inner diameter of the vertical projection of the spiral limiting plate.
Preferably, one side of the spiral limiting plate, which is close to the supporting column, is fixedly provided with an anti-slip pad.
Preferably, the first support frame and the second support frame are both provided with positioning parts, and the two positioning parts are symmetrically arranged on two sides of the limiting sliding sleeve; the positioning portion comprises a first telescopic rod, the first telescopic rod of the positioning portion is respectively fixedly connected with the first support frame and the second support frame, the first telescopic rod is close to a push plate fixedly connected with one end of the limiting sliding sleeve, the push plate is far away from a push rod fixedly connected with one side of the first telescopic rod, the tail end of the push rod penetrates through the limiting sliding sleeve and an arc-shaped positioning sleeve fixedly connected with the limiting sliding sleeve, the arc-shaped positioning sleeve is arranged in the limiting sliding sleeve, the arc-shaped positioning sleeve is located above the piston, the arc-shaped positioning sleeve is in limiting fit with the piston, and the arc-shaped positioning sleeve is in limiting fit with the support column.
Preferably, the positioning piece comprises a poke rod and a tension spring, and the tension spring is arranged between the poke rod and the support column; the top end of a poke rod positioned between the first fixed plate and the second support frame is hinged with the bottom end of the second support frame, and the bottom end of the poke rod is abutted against the top end of the first fixed plate; the top end of a poke rod positioned between the second fixed plate and the first support frame is hinged with the bottom end of the first support frame, and the bottom end of the poke rod is abutted against the top end of the second fixed plate; the poke rod is far away from one end of a pull rope fixedly connected to one side of the support column, the first support frame and the second support frame are fixedly provided with fixed pulleys, and the other end of the pull rope bypasses the fixed pulleys and is fixedly connected with the top end of the push plate, which is positioned right below the poke rod.
Preferably, the height adjusting part comprises a stand column fixedly installed at the top end of the bottom plate, a second telescopic rod is fixedly connected to the top end of the stand column, and the top end of the second telescopic rod is fixedly connected to the bottom end of the first supporting plate.
Preferably, install curb plate supporting mechanism on the stiff end outer wall of second telescopic link, curb plate supporting mechanism is including articulating third telescopic link on the second telescopic link, the terminal articulated third backup pad that has of third telescopic link.
Preferably, a plurality of mounting holes are formed in the bottom plate, and a plurality of spiral ground anchors are detachably mounted on the bottom plate through the plurality of mounting holes.
Preferably, a pressure gauge is fixedly mounted at the bottom end of the first supporting plate and used for monitoring a pressure value in the cavity.
The invention discloses the following technical effects:
according to the temporary reinforcing and supporting equipment for the coal mine roadway, the cavity is formed in the first supporting plate, the supporting fixing parts are arranged, the cavity is communicated with the limiting sliding sleeves, and the pistons in the limiting sliding sleeves can be pushed to ascend through the air supply device at the same time, so that the second supporting plate ascends at different heights under the action of the pistons and the supporting columns, and is in contact with and supported by the roadway top plate; because the plurality of limiting sliding sleeves are communicated with the cavity, the acting force of air in the cavity on the piston in the limiting sliding sleeve is consistent, and the roadway can be supported under the condition that the heights of rocks at the top of the roadway are different; through the setting of a plurality of support fixed parts, the different top rocks of adaptation height that can be fine, and then improved the effect of strutting of equipment to the tunnel.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a temporary reinforcing and supporting device for a coal mine tunnel according to the invention;
FIG. 2 is a partial enlarged view of A in FIG. 1;
FIG. 3 is a schematic view of a third telescopic shaft according to the present invention;
the device comprises a bottom plate-1, a first support plate-2, a support column-3, a second support plate-4, a limiting sliding sleeve-5, a piston-6, an air vent-7, a valve-8, an air supply device-9, a first support frame-10, a second support frame-11, a spiral limiting plate-12, a first fixing plate-13, a second fixing plate-14, a first telescopic rod-15, a push plate-16, a push rod-17, an annular positioning sleeve-18, a poke rod-19, a tension spring-20, a pull rope-21, a fixed pulley-22, an upright post-23, a second telescopic rod-24, a third telescopic rod-25, a threaded rod-25.1, a threaded sleeve-25.2, an adjusting nut-25.3, a third support plate-26, a spiral ground anchor-27 and a pressure gauge-28.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1-3, the invention provides temporary reinforcing and supporting equipment for a coal mine tunnel, which comprises a bottom plate 1, wherein a height adjusting part is fixedly arranged at the top end of the bottom plate 1, a first supporting plate 2 is fixedly arranged at the top end of the height adjusting part, and a top plate supporting mechanism is arranged at the top end of the first supporting plate 2; the top plate supporting mechanism comprises five supporting and fixing parts which are arranged at the top end of the first supporting plate 2, and the five supporting and fixing parts are arranged at equal intervals along the length direction of the first supporting plate 2; a support pillar 3 is arranged in the middle of the support fixing part, a second support plate 4 is hinged to the top end of the support pillar 3, and the second support plate 4 is in sliding limit fit with the support fixing part through the support pillar 3; five limiting sliding sleeves 5 are fixedly mounted at the top end of the first supporting plate 2, the five limiting sliding sleeves 5 are respectively arranged in the five supporting and fixing parts, and gaps are arranged between the limiting sliding sleeves 5 and the supporting and fixing parts; a piston 6 is slidably arranged on the inner wall of the limiting sliding sleeve 5, and the piston 6 is fixedly arranged at the bottom end of the supporting column 3; a cavity is formed in the first supporting plate 2, and the five limiting sliding sleeves 5 are communicated with the cavity; the bottom end of the first supporting plate 2 is provided with two air vents 7, the air vents 7 are provided with valves 8, the cavities are communicated with an air supply device 9 through one air vent 7 and used for charging air into the air, and the other air vent 7 is used for discharging the air in the cavities.
Furthermore, in order to conveniently limit the support columns 3, the support fixing part comprises a first support frame 10 and a second support frame 11 which are fixedly connected to the top ends of the first support plates 2, and the first support frame 10 and the second support frame 11 are symmetrically arranged on two sides of the support columns 3; one side of the top end of the first support frame 10 close to the support column 3 and one side of the top end of the second support frame 11 close to the support column 3 are both hinged with spiral limit plates 12, the two spiral limit plates 12 are arranged in central symmetry by taking the support column 3 as a center, and the support column 3 is in sliding limit fit with the spiral limit plates 12;
one sides of the two spiral limiting plates 12, which are far away from the supporting column 3, are fixedly connected with a first fixing plate 13 and a second fixing plate 14 respectively, the first fixing plate 13 is hinged with the first supporting frame 10 through the spiral limiting plates 12, the first fixing plate 13 is arranged right below the second supporting frame 11, the second fixing plate 14 is hinged with the second supporting frame 11 through the spiral limiting plates 12, and the second fixing plate 14 is arranged right below the first supporting frame 10;
positioning parts are arranged between the first fixing plate 13 and the second support frame 11 and between the second fixing plate 14 and the first support frame 10, and the positioning parts are used for adjusting the distance between the first fixing plate 13 and the second support frame 11 and the distance between the second fixing plate 14 and the first support frame 10.
Further, when adjusting the height of second backup pad 4, do not produce spacing effect between spiral limiting plate 12 and the support column 3, the vertical projection of spiral limiting plate 12 is arc, and the central angle that the vertical projection of spiral limiting plate 12 corresponds is not less than 180, and the external diameter of support column 3 is less than the internal diameter of the vertical projection of spiral limiting plate 12.
Further, in order to improve the limiting effect between the spiral limiting plate 12 and the supporting column 3, a non-slip mat is fixedly mounted on one side, close to the supporting column 3, of the spiral limiting plate 12, and the non-slip mat is a rubber mat.
Furthermore, in order to improve the positioning effect on the support column 3 and prevent the support column 3 from displacing under the action of the pressure of the top plate and affecting the roadway safety, positioning parts are respectively arranged on the first support frame 10 and the second support frame 11, and the two positioning parts are symmetrically arranged on two sides of the limiting sliding sleeve 5; location portion includes first telescopic link 15, the first telescopic link 15 of two location portions respectively with first support frame 10, 11 fixed connection of second support frame, first telescopic link 15 is close to the one end fixedly connected with push pedal 16 of spacing sliding sleeve 5, one side fixedly connected with push rod 17 of first telescopic link 15 is kept away from to push pedal 16, push rod 17 end runs through spacing sliding sleeve 5 and fixedly connected with arc position sleeve, the arc position sleeve sets up in spacing sliding sleeve 5, and the arc position sleeve is located the top of piston 6, arc position sleeve and 6 spacing cooperations of piston, arc position sleeve and 3 spacing cooperations of support column.
Further, in order to conveniently control the limiting relationship between the spiral limiting plate 12 and the supporting column 3, the positioning element comprises a poke rod 19 and a tension spring 20, and the tension spring 20 is arranged between the poke rod 19 and the supporting column 3; the top end of a poke rod 19 positioned between the first fixing plate 13 and the second support frame 11 is hinged with the bottom end of the second support frame 11, and the bottom end of the poke rod 19 is abutted against the top end of the first fixing plate 13; the top end of a poke rod 19 positioned between the second fixed plate 14 and the first support frame 10 is hinged with the bottom end of the first support frame 10, and the bottom end of the poke rod 19 is abutted against the top end of the second fixed plate 14; one end of a pull rope 21 is fixedly connected to one side, far away from the support column 3, of the poke rod 19, a fixed pulley 22 is fixedly mounted on each of the first support frame 10 and the second support frame 11, and the other end of the pull rope 21 bypasses the fixed pulley 22 and is fixedly connected with the top end of the push plate 16 located right below the poke rod 19.
Further, for making things convenient for adjusting device's height, guarantee that second backup pad 4 can laminate with the tunnel roof, height-adjusting part includes the stand 23 of fixed mounting on 1 top of bottom plate, 23 top fixedly connected with second telescopic links 24 of stand, the top of second telescopic links 24 and 2 bottom fixed connection of first backup pad.
Further, for the effect of strutting to the tunnel that improves, install curb plate supporting mechanism on the stiff end outer wall of second telescopic link 24, curb plate supporting mechanism is including articulating the third telescopic link 25 on second telescopic link 24, and the end of third telescopic link 25 articulates there is third backup pad 26.
Further, for improving the stability of supporting equipment, a plurality of mounting hole has been seted up on bottom plate 1, and bottom plate 1 has a plurality of spiral earth anchor 27 through a plurality of mounting hole demountable installation.
Further, for the convenience of monitoring the pressure value in the cavity and guaranteeing the supporting effect on the tunnel roof, a pressure gauge 28 is fixedly installed at the bottom end of the first supporting plate 2.
When the temporary reinforcing and supporting equipment for the coal mine roadway is used, firstly, the supporting equipment is moved to a designated position, the bottom plate 1 of the equipment is fixed by using the spiral ground anchor 27, then the height of the first supporting plate 2 is adjusted through the second telescopic rod 24, so that the second supporting plate 4 is initially contacted with the top plate of the roadway, and the extension of the second telescopic rod 24 is stopped; then communicating a gas supply device 9 with a vent 7 at the bottom of the first support plate 2, opening a valve 8 on the vent 7, inflating the cavity in the first support plate 2 by using the gas supply device 9, when the pressure in the cavity reaches a certain degree, lifting a piston 6 in a limiting sliding sleeve 5 under the action of the gas pressure in the cavity, when a second support plate 4 contacts with a roadway roof, stopping moving the piston 6, and under the action of the gas pressure in the cavity, so that the second support plate 4 can be lifted to different heights, thereby realizing supporting of the roadway roof by using the second support plate 4 under the condition that the rock heights at the top of the roadway are different, and because each limiting sliding sleeve 5 is communicated with the cavity, the acting force applied to the piston 6 is the same, and the acting force applied to the roadway roof by the second support plate 4 is also the same; after the piston 6 stops moving, the air supply device 9 is used for continuously charging air into the cavity, after the pressure in the cavity is judged to reach a certain numerical value through the reading of the pressure gauge 28, the air supply to the cavity is stopped, the valve 8 on the vent 7 is closed, the air pressure in the cavity is used for playing a continuous thrust force on the piston 6, and therefore the supporting effect of the second supporting plate 4 on the top plate of the roadway is ensured;
when the position of the second support plate 4 is adjusted, under the action of the tension spring 20, the height of the bottom end of the spiral limit plate 12 is higher, the limit matching relationship between the spiral limit plate 12 and the support column 3 is broken, after the position of the second support plate 4 is adjusted, the first telescopic rod 15 is started, the push plate 16 and the push rod 17 are pushed by the first telescopic rod 15 to move towards the limit sliding sleeve 5, under the action of the push rod 17, an arc-shaped locating sleeve in the limit sliding sleeve 5 is in contact with the support column 3, and the support column 3 is limited by the friction force between the arc-shaped locating sleeve and the support column 3; when the push plate 16 moves towards the limiting sliding sleeve 5, the poke rod 19 can be pulled through the pull rope 21, the first fixing plate 13 and the second fixing plate 14 on the spiral limiting plate 12 move downwards through the poke rod 19, the tension spring 20 is in a stretching state at the moment, meanwhile, the bottom end of the spiral limiting plate 12 moves downwards, a circle corresponding to the vertical projection of the spiral limiting plate 12 is changed into an ellipse, the contact area between the spiral limiting plate 12 and the supporting column 3 is further increased, and the spiral limiting plate 12 is used for limiting the supporting column 3; thereby utilize spiral limiting plate 12 and arc position sleeve to carry out spacing fixed to support column 3, further improve the effect of strutting of support column 3 and second backup pad 4 to the tunnel roof.
After the roadway roof is supported, the third support plate 26 is unfolded to enable the third telescopic rod 25 to be horizontal, then the third support plate 26 is enabled to be in contact with the side wall of the roadway by adjusting the length of the third telescopic rod 25, after a certain prestress is applied to the third telescopic rod 25, the length of the third telescopic rod 25 is fixed, and therefore the supporting effect on the side wall of the roadway is achieved by the third support plate 26.
The first telescopic rod 15 and the second telescopic rod 24 both adopt an electric push rod 17 or a hydraulic cylinder; the third telescopic link 25 adopts the threaded rod 25.1 that positive screw thread, reverse screw thread were seted up respectively at both ends to threaded rod 25.1's both ends threaded connection screw thread sleeve 25.2 respectively, two screw thread sleeve 25.2 are articulated with second telescopic link 24, third backup pad 26 respectively, establish adjusting nut 25.3 at the fixed cover in middle part of threaded rod 25.1, in order to utilize adjusting nut 25.3 to adjust the length of third telescopic link 25.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (10)
1. The temporary reinforcing and supporting equipment for the coal mine roadway is characterized by comprising a bottom plate (1), wherein a height adjusting part is fixedly mounted at the top end of the bottom plate (1), a first supporting plate (2) is fixedly mounted at the top end of the height adjusting part, and a top plate supporting mechanism is arranged at the top end of the first supporting plate (2); the top plate supporting mechanism comprises a plurality of supporting and fixing parts which are arranged at the top end of the first supporting plate (2), and the supporting and fixing parts are arranged at equal intervals along the length direction of the first supporting plate (2); a support pillar (3) is arranged in the middle of the support fixing part, a second support plate (4) is hinged to the top end of the support pillar (3), and the second support plate (4) is in sliding limit fit with the support fixing part through the support pillar (3); a plurality of limiting sliding sleeves (5) are fixedly mounted at the top end of the first supporting plate (2), the limiting sliding sleeves (5) are respectively arranged in the supporting fixing parts, and gaps are formed between the limiting sliding sleeves (5) and the supporting fixing parts; a piston (6) is slidably mounted on the inner wall of the limiting sliding sleeve (5), and the piston (6) is fixedly mounted at the bottom end of the supporting column (3); a cavity is formed in the first supporting plate (2), and the limiting sliding sleeves (5) are communicated with the cavity; vent (7) are installed to first backup pad (2) bottom, install valve (8) on vent (7), the cavity passes through vent (7) intercommunication has air feeder (9).
2. The temporary coal mine roadway reinforcing and supporting equipment according to claim 1, wherein the support fixing part comprises a first support frame (10) and a second support frame (11) which are fixedly connected to the top end of the first support plate (2), and the first support frame (10) and the second support frame (11) are symmetrically arranged on two sides of the support column (3); one side, close to the supporting column (3), of the top end of the first supporting frame (10) and one side, close to the supporting column (3), of the top end of the second supporting frame (11) are hinged with spiral limiting plates (12), the two spiral limiting plates (12) are arranged in a centrosymmetric mode by taking the supporting column (3) as a center, and the supporting column (3) is in sliding limiting fit with the spiral limiting plates (12);
one sides, far away from the supporting column (3), of the two spiral limiting plates (12) are fixedly connected with a first fixing plate (13) and a second fixing plate (14) respectively, the first fixing plate (13) is hinged with the first supporting frame (10) through the spiral limiting plates (12), the first fixing plate (13) is arranged right below the second supporting frame (11), the second fixing plate (14) is hinged with the second supporting frame (11) through the spiral limiting plates (12), and the second fixing plate (14) is arranged right below the first supporting frame (10);
positioning pieces are arranged between the first fixing plate (13) and the second support frame (11) and between the second fixing plate (14) and the first support frame (10), and are used for adjusting the distance between the first fixing plate (13) and the second support frame (11) and the distance between the second fixing plate (14) and the first support frame (10).
3. The temporary reinforcing and supporting equipment for the coal mine roadway according to claim 2, wherein the vertical projection of the spiral limiting plate (12) is in the shape of a circular arc, the central angle corresponding to the vertical projection of the spiral limiting plate (12) is not less than 180 degrees, and the outer diameter of the supporting column (3) is smaller than the inner diameter of the vertical projection of the spiral limiting plate (12).
4. The temporary reinforcing and supporting equipment for the coal mine roadway according to claim 3, wherein a non-slip mat is fixedly installed on one side, close to the supporting columns (3), of the spiral limiting plate (12).
5. The temporary coal mine roadway reinforcing and supporting equipment according to claim 2, wherein the first support frame (10) and the second support frame (11) are provided with positioning parts, and the two positioning parts are symmetrically arranged on two sides of the limiting sliding sleeve (5); the location portion includes first telescopic link (15), two location portion first telescopic link (15) respectively with first support frame (10) second support frame (11) fixed connection, first telescopic link (15) are close to one end fixedly connected with push pedal (16) of spacing sliding sleeve (5), push pedal (16) are kept away from one side fixedly connected with push rod (17) of first telescopic link (15), push rod (17) end runs through spacing sliding sleeve (5) and fixedly connected with arc position sleeve, the arc position sleeve is established in spacing sliding sleeve (5), just the arc position sleeve is located the top of piston (6), the arc position sleeve with piston (6) spacing cooperation, the arc position sleeve with support column (3) spacing cooperation.
6. The temporary reinforcing and supporting equipment for the coal mine roadway according to claim 5, wherein the positioning piece comprises a poke rod (19) and a tension spring (20), and the tension spring (20) is arranged between the poke rod (19) and the supporting column (3); the top end of a poke rod (19) positioned between the first fixing plate (13) and the second support frame (11) is hinged with the bottom end of the second support frame (11), and the bottom end of the poke rod (19) is abutted against the top end of the first fixing plate (13); the top end of a poke rod (19) positioned between the second fixing plate (14) and the first support frame (10) is hinged with the bottom end of the first support frame (10), and the bottom end of the poke rod (19) is abutted against the top end of the second fixing plate (14); keep away from poker rod (19) the one end of one side fixedly connected with stay cord (21) of support column (3), first support frame (10) with equal fixed mounting has fixed pulley (22) on second support frame (11), the other end of stay cord (21) is walked around fixed pulley (22) with be located directly below poker rod (19) push pedal (16) top fixed connection.
7. The temporary reinforcing and supporting equipment for the coal mine roadway according to claim 1, wherein the height adjusting part comprises a stand column (23) fixedly installed at the top end of the bottom plate (1), a second telescopic rod (24) is fixedly connected to the top end of the stand column (23), and the top end of the second telescopic rod (24) is fixedly connected with the bottom end of the first supporting plate (2).
8. The temporary coal mine roadway reinforcing and supporting equipment as claimed in claim 7, wherein a side plate supporting mechanism is installed on the outer wall of the fixed end of the second telescopic rod (24), the side plate supporting mechanism comprises a third telescopic rod (25) hinged to the second telescopic rod (24), and a third supporting plate (26) is hinged to the tail end of the third telescopic rod (25).
9. The temporary reinforcing and supporting equipment for the coal mine roadway according to claim 1, wherein a plurality of mounting holes are formed in the bottom plate (1), and a plurality of spiral ground anchors (27) are detachably mounted on the bottom plate (1) through the plurality of mounting holes.
10. The temporary reinforcing and supporting equipment for the coal mine roadway according to claim 1, wherein a pressure gauge (28) is fixedly installed at the bottom end of the first supporting plate (2), and the pressure gauge (28) is used for monitoring the pressure value in the cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211169307.5A CN115405341A (en) | 2022-09-22 | 2022-09-22 | Temporary reinforcing and supporting equipment for coal mine tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211169307.5A CN115405341A (en) | 2022-09-22 | 2022-09-22 | Temporary reinforcing and supporting equipment for coal mine tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115405341A true CN115405341A (en) | 2022-11-29 |
Family
ID=84165236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211169307.5A Pending CN115405341A (en) | 2022-09-22 | 2022-09-22 | Temporary reinforcing and supporting equipment for coal mine tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115405341A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116044460A (en) * | 2023-03-31 | 2023-05-02 | 山西凌志达煤业有限公司 | Multi-size mine tunnel supporting device |
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2022
- 2022-09-22 CN CN202211169307.5A patent/CN115405341A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116044460A (en) * | 2023-03-31 | 2023-05-02 | 山西凌志达煤业有限公司 | Multi-size mine tunnel supporting device |
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