CN215332923U - Coal mine tunnel supporting device facilitating work and operation - Google Patents
Coal mine tunnel supporting device facilitating work and operation Download PDFInfo
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- CN215332923U CN215332923U CN202121575759.4U CN202121575759U CN215332923U CN 215332923 U CN215332923 U CN 215332923U CN 202121575759 U CN202121575759 U CN 202121575759U CN 215332923 U CN215332923 U CN 215332923U
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Abstract
The utility model discloses a coal mine roadway supporting device convenient for work and operation, which comprises a roadway, wherein a group of symmetrical foundation stone blocks are fixedly connected to the inner bottom wall of the roadway, electric push rods which are arranged at equal intervals are fixedly connected to the upper surface of each foundation stone block, supporting skids are fixedly connected to the top ends of the electric push rods of each group together, cross rods which are arranged at equal intervals are fixedly connected to the upper surfaces of the two supporting skids together, two groups of thread fastening grooves are formed in the upper surface of each cross rod, and two connecting plates are arranged above each cross rod. This colliery roadway support device that facilitates work and carry out operation, through screw fastening groove, shank of bolt and the connecting plate that sets up, can produce centre gripping fastening force through the threaded connection effect between shank of bolt and the screw fastening groove, conveniently realize fixed to the centre gripping of connecting plate and arc, make the staff install the arc board more easily, the staff of being convenient for is to the dismantlement and the maintenance of arc board.
Description
Technical Field
The utility model relates to the technical field of coal mine roadway support, in particular to a coal mine roadway support device convenient for work and operation.
Background
The roadway support is equipment for supporting and stabilizing a mine tunnel, has important significance for keeping the mine tunnel smooth and surrounding rocks stable for coal mine construction and production, and is basically used for supporting the mine tunnel to relax and reduce the movement of the surrounding rocks, so that the cross section of the mine tunnel is not excessively reduced, and meanwhile, the scattered and damaged surrounding rocks are prevented from falling off.
China's coal mine is mainly underground mining, need dig a large amount of tunnels in the pit, at the in-process that the tunnel was dug, need support the top to protect the tunnel, avoid when digging, the tunnel collapses, cause the emergence of dangerous accident, current ore deposit is strutted equipment, the structure is fairly simple, it is relatively poor to stabilize barrier propterty, and the bearing structure of hunch board is most all integrative fixed moreover, the staff's of being not convenient for installation and dismantlement maintenance, trouble has been brought for staff's work, for this reason we provide a coal mine tunnel supporting device that makes things convenient for the work to carry out the operation and solve above problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a coal mine roadway support device which is convenient to work and operate, so as to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a coal mine roadway supporting device convenient for work and operation comprises a mine shaft, wherein a group of symmetrical foundation stone blocks are fixedly connected to the inner bottom wall of the mine shaft, electric push rods which are arranged at equal intervals are fixedly connected to the upper surface of each foundation stone block, a supporting skid is fixedly connected to the top end of each electric push rod, cross rods which are arranged at equal intervals are fixedly connected to the upper surfaces of the two supporting skids, two groups of thread fastening grooves are formed in the upper surface of each cross rod, two connecting plates are arranged above each cross rod, a group of fixing holes are formed in the upper surface of each connecting plate, a bolt rod matched with each thread fastening groove is arranged above each fixing hole, the bottom end of each bolt rod penetrates through each fixing hole and extends into the thread fastening grooves, and each bolt rod is in threaded connection with each thread fastening groove, every the top of horizontal pole all is equipped with the arc, every the bottom of arc all is connected with the last fixed surface of two connecting plates, every group the common fixedly connected with arch bar of upper surface of arc, the upper surface of arch bar contacts with the interior roof of ore deposit way, every the equal fixedly connected with of upper surface of horizontal pole a set of screw thread post, every the equal threaded connection of surface of screw thread post has a spiral section of thick bamboo, every the equal fixedly connected with fixed plate in top of spiral section of thick bamboo, every the upper surface of fixed plate all contacts with the bottom surface of arc, every a set of round hole has all been seted up to the right flank that supports the lumber skid, every the inside of round hole all is equipped with the binding nail, and is two sets of the one end that the binding nail was kept away from each other all with the inside wall fixed connection of ore deposit way.
Preferably, the outer surface of each electric push rod is fixedly connected with a fixed disc, and the upper surfaces of the two groups of fixed discs are fixedly connected with the bottom surfaces of the two support skids respectively.
Preferably, the outer surface of each threaded column is fixedly connected with a stabilizing block, and the bottom surface of each stabilizing block is fixedly connected with the upper surface of the cross rod.
Preferably, the upper surface of each spiral cylinder is fixedly connected with a group of rotating handles, and each group of rotating handles is positioned in the middle of the spiral cylinder.
Preferably, each group the side that the arc is close to each other all fixedly connected with a set of connecting rod jointly, every group the surface of connecting rod all contacts with the bottom surface of arch bar.
Preferably, the outer surface of each fastening nail is provided with threads, and the outer surface of each fastening nail is in threaded connection with a fastening nut.
Advantageous effects
The utility model has the following beneficial effects:
1. through the electric putter who sets up, can utilize electric putter work, the removal of drive support lumber skid and horizontal pole, through the cooperation with arc and arch bar, realization that can be convenient protects the support top in tunnel, through the screw post and the spiral shell that set up, can utilize threaded connection between screw post and the spiral shell, drive spiral shell rebound, through the cooperation with the fixed plate, the realization is solid to the top of arc board and arch bar, effectively increase the steadiness of arc board and arch bar, make the strut performance of arc board and arch bar better, effectively avoid collapsing in tunnel, avoid the emergence of dangerous accident.
2. Through the screw fastening groove, shank of bolt and the connecting plate that set up, can produce centre gripping fastening power through the threaded connection effect between shank of bolt and the screw fastening groove, conveniently realize fixed to the centre gripping of connecting plate and arc, make the staff install the arc more easily, the staff of being convenient for is to the dismantlement and the maintenance of arc.
Drawings
FIG. 1 is a cross-sectional view of a roadway in elevation view in accordance with the present invention;
FIG. 2 is a cross-sectional view of a side view of a roadway according to the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention.
In the figure: 1 mine way, 2 arch bars, 3 arc plates, 4 fixing plates, 5 cross bars, 6-base stone blocks, 7 electric push rods, 8 fastening nails, 9 bolt rods, 10 fixing plates, 11 stabilizing blocks, 12 rotating handles, 13 round holes, 14 supporting paddings, 15 spiral cylinders, 16 threaded columns, 17 connecting rods, 18 fastening nuts, 19 connecting plates, 20 fixing holes and 21 threaded fastening grooves.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a coal mine roadway supporting device convenient for work to operate comprises a mine shaft 1, wherein a group of symmetrical foundation stone blocks 6 are fixedly connected to the inner bottom wall of the mine shaft 1, electric push rods 7 which are arranged equidistantly are fixedly connected to the upper surface of each foundation stone block 6, supporting skids 14 are fixedly connected to the top ends of each group of electric push rods 7 together, fixed disks 10 are fixedly connected to the outer surfaces of each electric push rod 7, the upper surfaces of the two groups of fixed disks 10 are fixedly connected with the bottom surfaces of the two supporting skids 14 respectively, the supporting skids 14 can be supported and fixed, the stability of the supporting skids 14 is effectively improved, cross rods 5 which are arranged equidistantly are fixedly connected to the upper surfaces of the two supporting skids 14 together, two groups of thread fastening grooves 21 are formed in the upper surface of each cross rod 5, two connecting plates 19 are arranged above each cross rod 5, a group of fixing holes 20 are formed in the upper surface of each connecting plate 19, the bolt rods 9 matched with the thread fastening grooves 21 are arranged above each fixing hole 20, the bottom end of each bolt rod 9 penetrates through the fixing hole 20 and extends into the thread fastening groove 21, each bolt rod 9 is in threaded connection with the thread fastening groove 21, the arc plates 3 are arranged above each cross rod 5, the bottom end of each arc plate 3 is fixedly connected with the upper surfaces of two connecting plates 19, the upper surface of each group of arc plates 3 is fixedly connected with an arch plate 2 together, the upper surface of the arch plate 2 is in contact with the inner top wall of the mine shaft 1, one side surface of each group of arc plates 3 close to each other is fixedly connected with a group of connecting rods 17 together, the outer surface of each group of connecting rods 17 is in contact with the bottom surface of the arch plate 2, the contact area between the connecting rods 17 and the arch plate 2 can be effectively increased, the stability of the arch plate 2 is increased, the upper surface of each cross rod 5 is fixedly connected with a group of thread columns 16, the outer surface of each threaded column 16 is fixedly connected with a stabilizing block 11, the bottom surface of each stabilizing block 11 is fixedly connected with the upper surface of the cross rod 5, the threaded columns 16 can be fixed, the stability of the threaded columns 16 is improved, the outer surface of each threaded column 16 is in threaded connection with a spiral cylinder 15, the top end of each spiral cylinder 15 is fixedly connected with a fixing plate 4, the upper surface of each fixing plate 4 is contacted with the bottom surface of the arc-shaped plate 3, the upper surface of each spiral cylinder 15 is fixedly connected with a group of rotating handles 12, each group of rotating handles 12 is positioned in the middle of each spiral cylinder 15, the spiral cylinders 15 can be rotated more conveniently by workers, the fixing plates 4 can conveniently support the arc-shaped plates 3, the right side surface of each support skid 14 is provided with a group of round holes 13, fastening nails 8 are arranged inside each round hole 13, one ends, far away from each other, of the two groups of fastening nails 8 are fixedly connected with the inner side wall of the mine way 1, the surface of every fastening nail 8 all is seted up threadedly, and the equal threaded connection in surface of every fastening nail 8 has fastening nut 18, can effectual support skid 14 fasten, increases the steadiness that supports skid 14.
The working principle is as follows: when in use, firstly, the support skid 14 is fixed on the plurality of electric push rods 7, then the plurality of cross rods 5 are sequentially arranged on the support skid 14 according to a certain distance and fixed, then the arc-shaped plates 3 and the connecting plates 19 are placed on the cross rods 5, the plurality of bolt rods 9 sequentially pass through the fixing holes 20 and are in threaded connection with the threaded fastening grooves 21, the clamping and fixing of the connecting plates 19 and the arc-shaped plates 3 are realized, then the arch-shaped plates 2 are placed on the plurality of arc-shaped plates 3, the electric push rods 7 are operated by clicking the control switch to drive the support skid 14, the cross rods 5, the arc-shaped plates 3 and the arch-shaped plates 2 to move upwards, the arch-shaped plates 2 are moved to the top wall of the mine shaft 1, the arch-plates 2 are supported on the top wall of the mine shaft 1, meanwhile, the spiral cylinder 15 is rotated by rotating the rotating handle 12, the spiral cylinder 15 is connected with the threads of the threaded columns 16 to move upwards, and the fixing plates 4 are driven to move upwards, the bottom surface of the arc plate 3 is tightly pushed, the stability of the arc plate 3 and the arch plate 2 is improved, and the protection effect of the arch plate 2 is better.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a make things convenient for work to carry out colliery tunnel supporting device of operation, includes mine way (1), its characterized in that: the inner bottom wall of the mine shaft (1) is fixedly connected with a group of symmetrical foundation stone blocks (6), the upper surface of each foundation stone block (6) is fixedly connected with electric push rods (7) which are arranged at equal intervals, the top end of each electric push rod (7) is fixedly connected with a support skid (14) together, the upper surfaces of the two support skids (14) are fixedly connected with cross rods (5) which are arranged at equal intervals together, the upper surface of each cross rod (5) is provided with two groups of thread fastening grooves (21), two connecting plates (19) are arranged above each cross rod (5), the upper surface of each connecting plate (19) is provided with a group of fixing holes (20), a bolt rod (9) matched with the thread fastening grooves (21) is arranged above each fixing hole (20), the bottom end of each bolt rod (9) penetrates through the fixing holes (20) and extends to the inner parts of the thread fastening grooves (21), each bolt rod (9) is in threaded connection with a threaded fastening groove (21), an arc plate (3) is arranged above each transverse rod (5), the bottom end of each arc plate (3) is fixedly connected with the upper surfaces of two connecting plates (19), each group of arc plates (3) is fixedly connected with an arch plate (2) together, the upper surface of the arch plate (2) is in contact with the inner top wall of a mine way (1), the upper surface of each transverse rod (5) is fixedly connected with a group of threaded columns (16), the outer surface of each threaded column (16) is in threaded connection with a spiral cylinder (15), the top end of each spiral cylinder (15) is fixedly connected with a fixing plate (4), the upper surface of each fixing plate (4) is in contact with the bottom surface of each arc plate (3), and the right side surface of each support skid (14) is provided with a group of round holes (13), every the inside of round hole (13) all is equipped with binding nail (8), and is two sets of the one end that keeps away from each other of binding nail (8) all with the inside wall fixed connection of ore way (1).
2. The coal mine roadway support device facilitating work for operation according to claim 1, wherein: the outer surface of each electric push rod (7) is fixedly connected with a fixed disc (10), and the upper surfaces of the two groups of fixed discs (10) are fixedly connected with the bottom surfaces of the two support skids (14) respectively.
3. The coal mine roadway support device facilitating work for operation according to claim 1, wherein: the outer surface of each threaded column (16) is fixedly connected with a stabilizing block (11), and the bottom surface of each stabilizing block (11) is fixedly connected with the upper surface of the cross rod (5).
4. The coal mine roadway support device facilitating work for operation according to claim 1, wherein: the upper surface of each spiral cylinder (15) is fixedly connected with a group of rotating handles (12), and each group of rotating handles (12) is located in the middle of each spiral cylinder (15).
5. The coal mine roadway support device facilitating work for operation according to claim 1, wherein: every group a set of connecting rod (17) of equal common fixedly connected with in a side that arc (3) are close to each other, every group the surface of connecting rod (17) all contacts with the bottom surface of arch bar (2).
6. The coal mine roadway support device facilitating work for operation according to claim 1, wherein: the outer surface of each fastening nail (8) is provided with threads, and the outer surface of each fastening nail (8) is in threaded connection with a fastening nut (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121575759.4U CN215332923U (en) | 2021-07-12 | 2021-07-12 | Coal mine tunnel supporting device facilitating work and operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121575759.4U CN215332923U (en) | 2021-07-12 | 2021-07-12 | Coal mine tunnel supporting device facilitating work and operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215332923U true CN215332923U (en) | 2021-12-28 |
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ID=79566527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121575759.4U Active CN215332923U (en) | 2021-07-12 | 2021-07-12 | Coal mine tunnel supporting device facilitating work and operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215332923U (en) |
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2021
- 2021-07-12 CN CN202121575759.4U patent/CN215332923U/en active Active
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