CN215520935U - Coal mine tunnel supporting device - Google Patents

Coal mine tunnel supporting device Download PDF

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Publication number
CN215520935U
CN215520935U CN202121507905.XU CN202121507905U CN215520935U CN 215520935 U CN215520935 U CN 215520935U CN 202121507905 U CN202121507905 U CN 202121507905U CN 215520935 U CN215520935 U CN 215520935U
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fixedly connected
plate
supporting
arc
coal mine
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CN202121507905.XU
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Chinese (zh)
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杨雷
李琦
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Xian University of Science and Technology
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Xian University of Science and Technology
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Abstract

The utility model belongs to the field of coal mine roadway support, and discloses a coal mine roadway support device which comprises an arc-shaped top plate, wherein the left side and the right side of the bottom of the arc-shaped top plate are fixedly connected with support side plates, a bottom plate is arranged below the two support side plates, the left side and the right side of the top of the bottom plate are fixedly connected with two jacks, and the top ends of the four jacks are fixedly connected with connecting blocks. The supporting device of this scheme, but the height of the adjustable arc roof of cooperation through jack and connecting block and strut the curb plate, thereby adapt to the support in the colliery tunnel of co-altitude not, and can carry out corresponding regulation to colliery tunnel surface unevenness's position through local supporting component, make supporting device and tunnel surface laminating effect better, realize better supporting effect, remove the subassembly through the over-and-under type and hide mutually supporting in groove, make supporting device have the function of outrigger and the removal of being convenient for concurrently.

Description

Coal mine tunnel supporting device
Technical Field
The utility model relates to the field of coal mine roadway support, in particular to a coal mine roadway support device.
Background
Coal is solid combustible mineral formed gradually by burying ancient plants underground and undergoing complex biochemical and physicochemical changes, and is required to be tunneled when a coal mine is mined, but the strength of the coal mine tunnel is unstable, so that collapse is easy to occur to cause danger, and support equipment is generally erected in the tunnel to support the coal mine tunnel.
However, the existing coal mine tunneling support device still has some defects, for example, the surface of the top of a roadway is uneven, the existing coal mine tunneling support device is difficult to be attached to the surface of the roadway to bear the pressure, and the lower end of the existing coal mine tunneling support device is generally provided with a roller which is convenient to move, but the roller is easy to damage when bearing the pressure for a long time.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model aims to provide a coal mine roadway support device.
In order to solve the above problems, the present invention adopts the following technical solutions.
A coal mine roadway supporting device comprises an arc-shaped top plate, supporting side plates are fixedly connected to the left side and the right side of the bottom of the arc-shaped top plate, a bottom plate is arranged below the two supporting side plates, the left side and the right side of the top of the bottom plate are both fixedly connected with two jacks, the top ends of the four jacks are both fixedly connected with connecting blocks, the four connecting blocks are respectively and fixedly connected with the opposite sides of the two supporting side plates, the top of the arc-shaped top plate is provided with evenly distributed grooves, each groove is internally provided with a local supporting component, the normal section of the bottom plate is in a shape of a Chinese character 'tu', hidden grooves are arranged at the front part and the rear part of the bottom plate and correspond to the convex parts, the hidden groove is internally provided with a lifting type moving assembly, the inner part of the arc-shaped top plate is fixedly connected with an auxiliary support, and two sides of the auxiliary support are fixedly connected with two supporting side plates respectively.
As a further description of the above technical solution:
the local supporting component comprises a local supporting block matched with the groove, one side, close to the arc-shaped top plate, of the local supporting block is fixedly connected with a threaded rod through a bearing, one end, far away from the local supporting block, of the threaded rod penetrates through and extends to the inside of the arc-shaped top plate, the threaded rod is in threaded connection with the arc-shaped top plate, one side, close to the arc-shaped top plate, of the local supporting block is located on the left side and the right side of the threaded rod, and two ends, far away from the local supporting block, of the limiting rods penetrate through and extend to the inside of the arc-shaped top plate.
As a further description of the above technical solution:
the one end fixedly connected with stopper that local supporting shoe was kept away from to the gag lever post, the one end fixedly connected with rotatory piece that local supporting shoe was kept away from to the threaded rod, the radian unanimity of the inner wall of stopper and rotatory piece one side that is close to the arc roof.
As a further description of the above technical solution:
every two bar grooves have been seted up at least to the bottom of strutting the curb plate, every all peg graft in the bar groove have with the bar of its adaptation, every the bottom of bar all with the top fixed connection of bottom plate.
As a further description of the above technical solution:
the utility model discloses a supporting side plate, including bar pole, fixed block, bar groove inner wall, bar pole, fixed block, bar mouth, bar pole, the last bar mouth that link up about seted up of bar pole, it is provided with the fixed block rather than the adaptation to alternate in the bar mouth, the left and right sides of fixed block respectively with the left and right sides fixed connection of bar inslot wall, the fixed block is close to the bottom of strutting the curb plate.
As a further description of the above technical solution:
the auxiliary stand includes that a plurality of equidistances are by the horizontal pole of arranging to the back, every both ends strut curb plate fixed connection, every with two respectively about the horizontal pole the fixed equal fixedly connected with semicircle pole in top of horizontal pole, it is adjacent around fixedly connected with a plurality of stiffener between the horizontal pole, every evenly distributed's bracing piece is all seted up at the top of semicircle pole, the inner wall fixed connection of bracing piece and arc roof.
As a further description of the above technical solution:
the lifting type moving assembly comprises a lifting plate, the lifting plate is hidden in a groove, walking wheels are fixedly connected to the left side and the right side of the bottom of the lifting plate, a thread adjusting rod connected with threads of the lifting plate is arranged in the middle of the lifting plate in an alternating mode, a circular groove is formed in the top of the bottom plate corresponding to the thread adjusting rod, and the top end of the thread adjusting rod penetrates through the circular groove.
As a further description of the above technical solution:
the two sides of each walking wheel on the lifting plate are penetrated and provided with guide rods, each guide rod is fixedly connected with the top wall of the hidden groove and the bottom end of each guide rod is fixedly connected with an auxiliary supporting block
As a further description of the above technical solution:
the radian of the outer wall of the local supporting block is consistent with that of the outer wall of the arc-shaped top plate.
Compared with the prior art, the utility model has the advantages that:
(1) the supporting device of this scheme, but the height of the adjustable arc roof of cooperation through jack and connecting block and strut the curb plate, thereby adapt to the support in the colliery tunnel of co-altitude not, and can carry out corresponding regulation to colliery tunnel surface unevenness's position through local supporting component, make supporting device and tunnel surface laminating effect better, realize better supporting effect, remove the subassembly through the over-and-under type and hide mutually supporting in groove, make supporting device have the function of outrigger and the removal of being convenient for concurrently.
(2) Local supporting component in this scheme passes through mutually supporting of threaded rod, gag lever post according to unevenness's position in the tunnel when using, adjusts the local supporting shoe with the uneven position in tunnel for strutting arrangement is better with tunnel laminating effect, and then further promotes the support effect.
(3) This scheme can carry out spacing and direction at the in-process of strutting the curb plate and going up and down through mutually supporting of bar groove, bar pole, bar mouth and fixed block, increases the stability of strutting the curb plate.
(4) This scheme is through constituting latticed auxiliary stand by horizontal pole, semicircle pole, stiffener and bracing piece and can strengthen the support intensity of arc roof, does not influence the regulation of local supporting shoe simultaneously.
(5) This scheme is through the lifting of screw thread adjusting rod, lifter mutually supporting can realize the lifter plate at hiding the inslot, and then realize the lift of walking wheel for hide the taking turns and accomodate when need not removing whole strutting arrangement, prevent the wearing and tearing of walking wheel, and only need when needing to remove to take turns to the walking wheel and hide the inslot and can make things convenient for whole device to remove outward, and guide bar and auxiliary supporting shoe can play the effect of auxiliary stay.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of the arc-shaped top plate and the supporting side plate shown in FIG. 1 of the present invention;
FIG. 3 is an elevational, cross-sectional view of the arcuate top plate of the present invention;
fig. 4 is a front sectional view of the base plate of the present invention.
The reference numbers in the figures illustrate:
1. an arc-shaped top plate; 2. supporting a side plate; 3. a base plate; 4. a jack; 5. connecting blocks; 6. a groove; 7. a local support assembly; 71. a local support block; 72. a threaded rod; 73. a limiting rod; 74. a limiting block; 75. rotating the block; 8. hiding the groove; 9. a lifting moving assembly; 91. a lifting plate; 92. a traveling wheel; 93. a threaded adjusting rod; 94. a circular groove; 95. a guide bar; 96. an auxiliary support block; 10. an auxiliary support; 101. a cross bar; 102. a semi-circular rod; 103. a reinforcing bar; 104. a support bar; 11. a strip-shaped groove; 12. a bar-shaped rod; 13. a strip-shaped opening; 14. and (5) fixing blocks.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention;
referring to fig. 1 to 4, a coal mine roadway supporting device comprises an arc-shaped top plate 1, wherein the left side and the right side of the bottom of the arc-shaped top plate 1 are fixedly connected with supporting side plates 2, a bottom plate 3 is arranged below the two supporting side plates 2, the left side and the right side of the top of the bottom plate 3 are fixedly connected with two jacks 4, the top ends of the four jacks 4 are fixedly connected with connecting blocks 5, the four connecting blocks 5 are respectively and fixedly connected with the opposite sides of the two supporting side plates 2, the top of the arc-shaped top plate 1 is provided with uniformly distributed grooves 6, each groove 6 is internally provided with a local supporting component 7, the normal section of the bottom plate 3 is in a shape like a Chinese character 'tu', the front section of the bottom plate 3 is provided with a hidden groove 8 at the front part, the back part and the corresponding convex part of the bottom plate 3, a lifting type moving component 9 is arranged in the hidden groove 8, the interior of the arc-shaped top plate 1 is fixedly connected with an auxiliary support 10, the two sides of the auxiliary support 10 are respectively and fixedly connected with the two side plates 2, the supporting device of this scheme, but through jack 4 and connecting block 5's the adjustable arc roof 1 of cooperation and the height of strutting curb plate 2, thereby adapt to the not support in the coal mine tunnel of co-altitude, and can carry out corresponding regulation to coal mine tunnel surface unevenness's position through local supporting component 7, make supporting device and tunnel surface laminating effect better, realize better supporting effect, remove mutually supporting of subassembly 9 and hidden groove 8 through the over-and-under type, make supporting device have the function of stable support and the removal of being convenient for concurrently.
Specifically, the local supporting assembly 7 comprises local supporting blocks 71 matched with the grooves 6, one side, close to the arc-shaped top plate 1, of each local supporting block 71 is fixedly connected with a threaded rod 72 through a bearing, one end, far away from the local supporting block 71, of each threaded rod 72 penetrates through and extends into the arc-shaped top plate 1, the threaded rods 72 are in threaded connection with the arc-shaped top plate 1, limiting rods 73 are fixedly connected to one side, close to the arc-shaped top plate 1, of each local supporting block 71 and located on the left side and the right side of each threaded rod 72, and one ends, far away from the local supporting blocks 71, of the two limiting rods 73 penetrate through and extend into the arc-shaped top plate 1;
this local supporting component 7 passes through mutually supporting of threaded rod 72, gag lever post 73 according to unevenness's position in the tunnel when using, adjusts with the local supporting shoe 71 of the unevenness's position in tunnel for strutting arrangement is better with the tunnel laminating effect, and then further promotes the support effect.
The outer wall of the local supporting block 71 is consistent with the outer wall of the arc-shaped top plate 1 in radian, the limiting rod 73 is far away from one end of the limiting block 74 fixedly connected with the local supporting block 71, the threaded rod 72 is far away from one end of the local supporting block 71 fixedly connected with the rotating block 75, and the limiting block 74 and one side of the rotating block 75 close to the arc-shaped top plate 1 are consistent with the radian of the inner wall of the arc-shaped top plate 1.
Specifically, every bottom of strutting curb plate 2 has seted up two bar grooves 11 at least, all peg graft in every bar groove 11 have with the bar 12 of its adaptation, every bar 12's bottom all with bottom plate 3's top fixed connection, bar mouth 13 that link up about having seted up on the bar 12, it is provided with the fixed block 14 rather than the adaptation to alternate in the bar mouth 13, the left and right sides of fixed block 14 respectively with the left and right sides fixed connection of bar groove 11 inner wall, fixed block 14 is close to the bottom of strutting curb plate 2, through bar groove 11, bar 12, bar mouth 13 and fixed block 14 mutually support, can carry out spacingly and direction at the in-process of strutting 2 lifts of curb plate, increase and strut the stability of curb plate 2.
Specifically, the auxiliary stand 10 includes that a plurality of equidistances are by the horizontal pole 101 of arranging to the back, both ends are strutted 2 fixed connection of curb plate with two respectively about every horizontal pole 101, the fixed equal fixedly connected with semicircle pole 102 in top of every horizontal pole 101, a plurality of stiffener 103 of fixedly connected with between the adjacent horizontal pole 101 around, evenly distributed's bracing piece 104 is all seted up at the top of every semicircle pole 102, bracing piece 104 and the inner wall fixed connection of arc roof 1, through by horizontal pole 101, semicircle pole 102, stiffener 103 and bracing piece 104 constitute latticed auxiliary stand 10 can strengthen the support intensity of arc roof 1, do not influence the regulation of local supporting shoe 71 simultaneously.
Specifically, the lifting moving assembly 9 includes a lifting plate 91, the lifting plate 91 is hidden in the groove 8, walking wheels 92 are fixedly connected to the left and right sides of the bottom of the lifting plate 91, threaded adjusting rods 93 in threaded connection with the lifting plate 91 are inserted into the middle of the lifting plate 91, a circular groove 94 is formed in the top of the bottom plate 3 corresponding to the threaded adjusting rods 93, the top ends of the threaded adjusting rods 93 penetrate through and extend into the circular groove 94, guide rods 95 are inserted into the two sides of each walking wheel 92 on the lifting plate 91, the top end of each guide rod 95 is fixedly connected with the inner top wall of the hidden groove 8, auxiliary support blocks 96 are fixedly connected to the bottom end of each guide rod 95, lifting of the lifting plate 91 in the hidden groove 8 can be achieved through mutual matching of the threaded adjusting rods 93 and the guide rods 95, lifting of the walking wheels 92 is further achieved, and the walking wheels 92 are hidden and accommodated when the whole support device does not need to be moved, prevent walking wheel 92's wearing and tearing, and only need to transfer walking wheel 92 outside hiding groove 8 and can make things convenient for whole device to remove when needing to remove, and guide bar 95 and auxiliary stay 96 can play the effect of auxiliary stay.
The working principle is as follows: when the coal mine roadway support device is used, the device is moved to a designated position through the travelling wheels 92, and then the lifting plate 91 and the travelling wheels 92 are accommodated in the hidden groove 8 through the matching of the threaded adjusting rod 93 and the wire guide rod 95;
then according to the position of unevenness in the tunnel, through mutually supporting of threaded rod 72, gag lever post 73, adjust with the local supporting shoe 71 of the position of unevenness in the tunnel, then through the height of jack 4 and the adjustable arc roof 1 of connecting block 5 with strut curb plate 2 to the support that adapts to the not coal mine tunnel of co-altitude, and through the setting of local supporting shoe 71, make strutting arrangement and tunnel surface laminating, possess excellent supporting effect.
The foregoing is only a preferred embodiment of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims (9)

1. The utility model provides a coal mine tunnel supporting device, includes arc roof (1), its characterized in that: the lifting type support plate is characterized in that supporting side plates (2) are fixedly connected to the left side and the right side of the bottom of the arc-shaped top plate (1), a bottom plate (3) is arranged below the two supporting side plates (2), two jacks (4) are fixedly connected to the left side and the right side of the top of the bottom plate (3), connecting blocks (5) are fixedly connected to the top ends of the four jacks (4), the four connecting blocks (5) are fixedly connected to the opposite sides of the two supporting side plates (2) respectively, uniformly distributed grooves (6) are formed in the top of the arc-shaped top plate (1), a local supporting assembly (7) is arranged in each groove (6), the normal tangent plane of the bottom plate (3) is in a convex shape, hidden grooves (8) are formed in the front portion and the back of the bottom plate (3) and corresponding to the convex portions, and lifting type moving assemblies (9) are arranged in the hidden grooves (8), the inner portion of the arc-shaped top plate (1) is fixedly connected with an auxiliary support (10), and two sides of the auxiliary support (10) are fixedly connected with the two supporting side plates (2) respectively.
2. A coal mine roadway support apparatus as claimed in claim 1, wherein: local supporting component (7) include with local supporting shoe (71) of recess (6) adaptation, one side that local supporting shoe (71) is close to arc roof (1) is surely connected with threaded rod (72) through the bearing, the one end that local supporting shoe (71) were kept away from in threaded rod (72) runs through and extends to the inside of arc roof (1), threaded rod (72) and arc roof (1) threaded connection, local supporting shoe (71) are close to one side of arc roof (1) and are located the equal fixedly connected with gag lever post (73) in the left and right sides of threaded rod (72), two the one end that local supporting shoe (71) were kept away from in gag lever post (73) runs through and extends to the inside of arc roof (1).
3. A coal mine roadway support apparatus as claimed in claim 2, wherein: the one end fixedly connected with stopper (74) that local supporting shoe (71) were kept away from to gag lever post (73), the one end fixedly connected with rotatory piece (75) that local supporting shoe (71) were kept away from in threaded rod (72), the radian of the one side that stopper (74) and rotatory piece (75) are close to arc roof (1) is unanimous with the inner wall of arc roof (1).
4. A coal mine roadway support apparatus as claimed in claim 1, wherein: each two strip-shaped grooves (11) are formed in the bottom of the supporting side plate (2) at least, each strip-shaped groove (11) is internally and uniformly spliced with a strip-shaped rod (12) matched with the strip-shaped groove, and the bottom end of each strip-shaped rod (12) is fixedly connected with the top of the bottom plate (3).
5. A coal mine roadway support device according to claim 4, wherein: the utility model discloses a supporting side plate, including bar pole (12), set up on the bar pole about link up bar mouth (13), the interlude is provided with fixed block (14) rather than the adaptation in bar mouth (13), the left and right sides of fixed block (14) respectively with the left and right sides fixed connection of bar groove (11) inner wall, fixed block (14) are close to the bottom of strutting curb plate (2).
6. A coal mine roadway support apparatus as claimed in claim 1, wherein: auxiliary stand (10) include horizontal pole (101), every that a plurality of equidistances were arranged by preceding back both ends are strutted curb plate (2) fixed connection, every respectively with two about horizontal pole (101) the top of horizontal pole (101) is fixed equal fixedly connected with semicircle pole (102), and is adjacent from beginning to end fixedly connected with a plurality of stiffener (103), every between horizontal pole (101) evenly distributed's bracing piece (104) all are seted up at the top of semicircle pole (102), the inner wall fixed connection of bracing piece (104) and arc roof (1).
7. A coal mine roadway support apparatus as claimed in claim 1, wherein: lifting type removes subassembly (9) and includes lifter plate (91), lifter plate (91) are for hiding in groove (8), the equal fixedly connected with walking wheel (92) of the left and right sides of lifter plate (91) bottom, the middle part interlude of lifter plate (91) is provided with screw thread adjusting rod (93) rather than threaded connection, circular slot (94) have been seted up to screw thread adjusting rod (93) in correspondence at the top of bottom plate (3), the top of screw thread adjusting rod (93) is run through and to in circular slot (94).
8. A coal mine roadway support device according to claim 7, wherein: the two sides of each walking wheel (92) on the lifting plate (91) are penetrated and provided with guide rods (95), the top ends of the guide rods (95) are fixedly connected with the inner top wall of the hidden groove (8), and the bottom ends of the guide rods (95) are fixedly connected with auxiliary supporting blocks (96).
9. A coal mine roadway support apparatus as claimed in claim 2, wherein: the radian of the outer wall of the local supporting block (71) is consistent with that of the outer wall of the arc-shaped top plate (1).
CN202121507905.XU 2021-07-02 2021-07-02 Coal mine tunnel supporting device Active CN215520935U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121507905.XU CN215520935U (en) 2021-07-02 2021-07-02 Coal mine tunnel supporting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121507905.XU CN215520935U (en) 2021-07-02 2021-07-02 Coal mine tunnel supporting device

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Publication Number Publication Date
CN215520935U true CN215520935U (en) 2022-01-14

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CN202121507905.XU Active CN215520935U (en) 2021-07-02 2021-07-02 Coal mine tunnel supporting device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114776340A (en) * 2022-05-30 2022-07-22 安徽理工大学 Mine tunnel space lining supporting structure that 3D printed and preparation facilities thereof
CN117248951A (en) * 2023-11-17 2023-12-19 安徽省交通控股集团有限公司 Tunnel excavation supporting structure and application method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114776340A (en) * 2022-05-30 2022-07-22 安徽理工大学 Mine tunnel space lining supporting structure that 3D printed and preparation facilities thereof
CN114776340B (en) * 2022-05-30 2023-02-17 安徽理工大学 Mine tunnel space lining supporting structure that 3D printed and preparation facilities thereof
CN117248951A (en) * 2023-11-17 2023-12-19 安徽省交通控股集团有限公司 Tunnel excavation supporting structure and application method thereof
CN117248951B (en) * 2023-11-17 2024-02-13 安徽省交通控股集团有限公司 Tunnel excavation supporting structure and application method thereof

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