CN217761028U - Safety support structure for underground excavation of coal mine - Google Patents
Safety support structure for underground excavation of coal mine Download PDFInfo
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- CN217761028U CN217761028U CN202221832556.3U CN202221832556U CN217761028U CN 217761028 U CN217761028 U CN 217761028U CN 202221832556 U CN202221832556 U CN 202221832556U CN 217761028 U CN217761028 U CN 217761028U
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- rod
- bearing plate
- wall body
- motor
- support structure
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Abstract
The utility model discloses a colliery is safety support structure for digging in pit relates to colliery support equipment technical field. The utility model comprises a wall body; further comprising: the bearing plate is arranged on the wall body; the supporting rod is slidably mounted on the bearing plate; the touch panel, the touch panel is the arc structure, the conflict board is installed upper support rod end, and pass through the outer cambered surface of touch panel with the wall body laminating, the bracing piece has the link, the bracing piece link is connected with two pressure poles that are mutually away from the body and set up. The utility model discloses compare with current supporting construction, under the cooperation of loading board, bracing piece and drive division, when the rock in the colliery appears dropping of different positions, the accessible is removed and is supported its position that drops to the touch panel to reduce the possibility of on-the-spot installation, and then reduce workman's the amount of labour.
Description
Technical Field
The utility model relates to a colliery supporting equipment technical field, concretely relates to colliery is safety support structure for digging in pit.
Background
The purpose of supporting the coal mine is to alleviate and reduce the movement of surrounding rocks, prevent the scattered and damaged surrounding rocks from falling, anchor bolt support is one of the support modes commonly used at present, the support effect has better performance, for the coal mine using the anchor bolt support, along with the exploitation of coal seams, the rock strata on the coal mine are easy to fall at different positions, but the position of the existing anchor bolt support is fixed when the existing anchor bolt support is installed, the existing anchor bolt support cannot be changed, and therefore the existing anchor bolt support can only be detached and then carried to the falling position or the anchor bolt support is additionally arranged at the falling position to be fixed if the existing anchor bolt support needs to be supported aiming at the falling position, the whole process is troublesome, and the labor capacity of workers is additionally increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: for solving the problem in the above-mentioned background, the utility model provides a colliery is safety support structure for underground excavation.
The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:
a safety supporting structure for underground excavation of a coal mine comprises a wall body; further comprising:
the bearing plate is arranged on the wall body;
the supporting rod is slidably mounted on the bearing plate;
the supporting rod is provided with a connecting end, the connecting end of the supporting rod is connected with two oppositely arranged pressure rods, the free ends of the two pressure rods are connected with the inner arc surface of the bearing plate, and the pressure rods, the supporting plate and the supporting rod form a triangular structure;
the driving part is installed on the bearing plate and is in transmission connection with the supporting rod, and the supporting rod slides along the bearing plate through the driving part.
Further, the bracing piece includes slidable mounting and is in installation pole on the loading board, installation pole upper end is slided and is inserted and be equipped with the movable rod, the conflict board is installed on the movable rod, install in the installation pole and be used for adjusting the lead screw mechanism of movable rod height, the pressure pole with the movable rod is connected.
Further, the driving part comprises an installation frame installed on the bearing plate, a lead screw horizontally arranged is installed in the installation frame in a rotating mode, a sliding block fixedly connected with the installation rod is sleeved on the lead screw in a threaded mode, an output part used for driving the lead screw to rotate is installed at one end of the installation frame, the output part comprises a first motor and a bevel gear assembly, the first motor is installed on the supporting rod, and an output shaft of the first motor is in transmission connection with the lead screw through the bevel gear assembly.
Further, be provided with the locating part on the loading board, the locating part is including installing expansion sleeve in the wall body, the activity runs through on the loading board has the bolt, bolt and expansion sleeve screw-thread fit.
Further, all articulated fly leaf that is used for contradicting the wall body both sides of installation pole both sides, slidable mounting has the regulating block on the loading board, the regulating block with it has the articulated rod to articulate between the fly leaf, install the transmission portion that is used for driving regulating block horizontal migration on the loading board.
Further, transmission portion includes threaded rod and second motor, the loading board has the installation end, the threaded rod passes through loading board installation end horizontal rotation is installed on the loading board, and with regulating block screw-thread fit, the second motor is installed on the loading board, its output shaft with the threaded rod transmission is connected.
The utility model has the advantages as follows: compare with current supporting construction, under the cooperation of loading board, bracing piece and drive division, when the rock in the colliery appears dropping of different positions, the accessible removes the touch panel and supports its position that drops to reduce the possibility of on-the-spot installation, and then reduce workman's the amount of labour.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
figure 2 is a perspective partial cross-sectional view of figure 1 of the present invention;
figure 3 is a rear view of figure 1 of the present invention;
fig. 4 isbase:Sub>A sectional view taken alongbase:Sub>A linebase:Sub>A-base:Sub>A of fig. 3 according to the present invention;
reference numerals are as follows: 1. a wall body; 2. a carrier plate; 3. a support bar; 301. mounting a rod; 302. a movable rod; 303. a lead screw mechanism; 4. a touch plate; 401. a pressure lever; 5. a drive section; 501. installing a frame; 502. a screw rod; 503. a slider; 6. an output section; 601. a first motor; 602. a bevel gear assembly; 7. a limiting member; 701. a bolt; 702. an expansion sleeve; 8. a movable plate; 801. an adjusting block; 802. a hinged lever; 9. a transmission section; 901. a threaded rod; 902. a second motor.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.
As shown in fig. 1 and 2, a safety support structure for underground coal mine excavation comprises a wall body 1, wherein the wall body 1 in the underground coal mine is generally of an arch structure, and the device is only arranged at an arc-shaped part at the top of the arch, namely, the device is positioned below the device in the walking process of workers, so that the daily trip of the workers is not influenced; further comprising:
the bearing plate 2 is of a rectangular structure, and the bearing plate 2 is horizontally and fixedly arranged on the wall body 1;
the supporting rod 3 is arranged on the bearing plate 2 in a sliding mode, the middle of the supporting rod 3 is provided with a connecting end, the connecting end is rectangular, and the middle of two sides of the connecting end are horizontally provided with openings;
the coal mine underground wall body 1 is mostly arch-shaped, so that the surface of the touch plate 4 is arc-shaped, the touch plate can be better attached to the wall body 1, the stress area is increased, the touch plate 4 is fixedly arranged on the support rod 3 and is attached to the wall body 1 through the outer arc surface of the touch plate, the support rod 3 is fixedly connected with two pressure rods 401 which are back to back through gaps on the connecting part, the pressure rods 401, the touch plate 4 and the support rod 3 form a triangular structure, and the triangular structure has the characteristics of stability, firmness and pressure resistance;
the driving part 5 is arranged on the bearing plate 2, is in transmission connection with the supporting rod 3 and is used for driving the supporting rod 3 to horizontally slide along the bearing plate 2;
the device is arranged on the wall body 1 in a plurality of groups, when the wall body 1 falls at different positions, the device can be driven to change the position of the device, the falling position is supported in such a way, so that the possibility of hurting workers by rocks is reduced, meanwhile, the original supporting place can change the positions of the devices at the two sides of the original supporting place, and the wall body 1 is supported by reducing the gaps among the devices;
at first, with this device's loading board 2 fixed mounting on wall body 1, bracing piece 3 that this moment lies in on loading board 2 can play the supporting role to wall body 1 under the effect of conflict board 4, if dropping of different positions appears in the rock on wall body 1, can start drive division 5, bracing piece 3 slides along loading board 2 under the effect of drive division 5, bracing piece 3 removes this moment, because conflict board 4 is fixed mounting on bracing piece 3, so it moves to follow the removal of bracing piece 3 to support touch board 4, when loading board 2 removes to the rock whereabouts, can close drive division 5, the position of loading board 2 is fixed under the effect of losing the drive power, with this reach to support and fix the rock of different positions, compare with current supporting construction, under loading board 2, bracing piece 3 and drive division 5's cooperation, when dropping of the rock on the colliery appears different positions, accessible removes to support touch board 4 to its position that drops, thereby reduce the possibility of on-the-site installation, and then reduce workman's.
As shown in fig. 1 and 2, in order to enable the abutting plate 4 to better support and fix the wall 1, in some embodiments, the support rod 3 includes an installation rod 301 slidably installed on the bearing plate 2, a movable rod 302 is slidably inserted into an upper end of the installation rod 301, the abutting plate 4 is installed on the movable rod 302, a screw mechanism 303 for adjusting the height of the movable rod 302 is installed in the installation rod 301, the pressure rod 401 is connected with the movable rod 302, the screw mechanism 303 includes an output motor, a first bevel gear, a second bevel gear, a screw and a screw block, the output motor is installed on the installation rod 301, the screw block is vertically rotatably installed on the installation rod 301, the screw block is in threaded fit with the screw and is connected with the movable rod 302, the first bevel gear is connected with the output motor, the second bevel gear is connected with the first bevel gear 502 and is connected with the screw rod 401, when the abutting plate 4 slides to a rock drop, the output motor can be turned on, when the output motor is turned on, the output shaft rotates while the first bevel gear collides with the output shaft, the bevel gear engaged with the second bevel gear and rotates to adjust the screw block, the screw block is installed on the rock drop, the movable rod 302, thereby enabling the screw block to better follow the vertical movement of the movable rod 302, the screw block, the contact block, and the movable rod 302, the movable rod can change the vertical movement of the movable rod.
As shown in fig. 1 and 4, in order to provide the support rod 3 with the driving force required for moving, in some embodiments, the driving portion 5 includes a mounting frame 501 mounted on the bearing plate 2, a horizontally disposed screw rod 502 is rotatably mounted in the mounting frame 501, a sliding block 503 fixedly connected to the mounting rod 301 is threaded on the screw rod 502, an output portion 6 for driving the screw rod 502 to rotate is mounted at one end of the mounting frame 501, the output portion 6 includes a first motor 601 and a bevel gear assembly 602, the first motor 601 is mounted on the support rod 3, an output shaft thereof is in transmission connection with the screw rod 502 through the bevel gear assembly 602, the output shaft drives the screw rod 502 to rotate by mounting a first bevel gear on an output shaft of the first motor 601 and meshing a second bevel gear with the first bevel gear, and the second bevel gear is connected to the screw rod 502, when the first motor 601 is started, the first bevel gear drives the second bevel gear to rotate so as to drive the screw rod 502 to rotate, when the contact plate 4 needs to be moved, the output portion 6 can be started, at this time, the contact block 502 located in the mounting frame 501 rotates, and at the same time, the sliding block 503 matched with the screw rod 502 is guided by the screw rod 301 to move vertically, so as to move the contact plate 4.
As shown in fig. 1, in order to complete the installation between the bearing plate 2 and the wall 1, in some embodiments, a limiting member 7 is disposed on the bearing plate 2, the limiting member 7 includes an expansion sleeve 702 installed in the wall 1, a bolt 701 movably penetrates through the bearing plate 2, the bolt 701 and the expansion sleeve 702 are installed in a threaded fit manner, the expansion sleeve 702 needs to be installed in the wall 1 before installing the bearing plate 2, and when installing, the expansion sleeve 702 can be connected with the bolt 701 in a manner of rotating the bolt 701, so as to complete the installation of the bearing plate 2.
As shown in fig. 1 and 2, in order to better support the wall 1, in some embodiments, two sides of the mounting rod 301 are hinged with connecting rods, two connecting rods are hinged with movable plates 8 for abutting against two sides of the wall 1, an adjusting block 801 is slidably mounted on the supporting plate 2, a hinge rod 802 is hinged between the adjusting block 801 and the connecting rods, a transmission part 9 for driving the adjusting block 801 to horizontally move is mounted on the supporting plate 2, rock strata are basically connected with each other, if the top rock strata fall, the possibility that the rocks on two sides fall under the influence of the top rock is high, for this reason, the movable plates 8 are hinged with the mounting rod 301 through the connecting rods, so that the movable plates abut against the wall 1 on two sides, and simultaneously, the height position of the movable plates 8 can be changed, the transmission part 9 can be directly started, the adjusting block 801 moves along the linear direction under the action of the transmission part 9 and the supporting plate 2, so as to drive the connecting rods to rotate around the hinge points of the mounting rod 301, so as to change the height position of the movable plates 8, and the connecting rods are in a hinge fit with the connecting rods, so that the arch surface can be better.
As shown in fig. 1 and fig. 3, in some embodiments, the transmission portion 9 includes a threaded rod 901 and a second motor 902, the supporting plate 2 has a mounting end, the threaded rod 901 is horizontally rotatably mounted on the supporting plate 2 through the mounting end of the supporting plate 2 and is in threaded fit with the adjusting block 801, the second motor 902 is mounted on the supporting plate 2, an output shaft of the second motor 902 is connected with the threaded rod 901, when the second motor 902 is started, the threaded rod 901 connected with an output shaft of the second motor 902 can rotate, and the adjusting block 801 in threaded fit with the threaded rod 901 slides under the guidance of the supporting plate 2, so as to adjust the angle of the movable plate 8.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides a colliery is safety support structure for underground excavation, includes wall body (1), its characterized in that still includes:
the bearing plate (2), the bearing plate (2) is installed on the wall body (1);
the supporting rod (3), the supporting rod (3) is installed on the bearing plate (2) in a sliding mode;
the wall body is characterized by comprising a touch plate (4), the touch plate (4) is of an arc-shaped structure, the touch plate (4) is installed at the upper end of the supporting rod (3) and is attached to the wall body (1) through the outer arc surface of the touch plate (4), the supporting rod (3) is provided with a connecting end, the connecting end of the supporting rod (3) is connected with two pressure rods (401) which are arranged in a back-to-back mode, the free ends of the two pressure rods (401) are connected with the inner arc surface of the touch plate (4), and the pressure rods (401), the touch plate (4) and the supporting rod (3) form a triangular structure;
drive division (5), drive division (5) are installed on loading board (2), and with bracing piece (3) transmission is connected, through drive division (5) so that bracing piece (3) are followed loading board (2) slide.
2. The underground coal mine excavation safety support structure according to claim 1, wherein the supporting rod (3) comprises an installation rod (301) slidably installed on the bearing plate (2), a movable rod (302) is slidably inserted into the upper end of the installation rod (301), the touch plate (4) is installed on the movable rod (302), a screw rod mechanism (303) used for adjusting the height of the movable rod (302) is installed in the installation rod (301), and the pressure rod (401) is connected with the movable rod (302).
3. The safety support structure for underground coal mine excavation according to claim 2, wherein the driving portion (5) comprises an installation frame (501) installed on the bearing plate (2), a horizontally arranged screw rod (502) is rotatably installed in the installation frame (501), a sliding block (503) fixedly connected with the installation rod (301) is sleeved on the screw rod (502) in a threaded manner, an output portion (6) used for driving the screw rod (502) to rotate is installed at one end of the installation frame (501), the output portion (6) comprises a first motor (601) and a bevel gear assembly (602), the first motor (601) is installed on the support rod (3), and an output shaft of the first motor is in transmission connection with the screw rod (502) through the bevel gear assembly (602).
4. The safety support structure for underground coal mine excavation according to claim 3, wherein a limiting member (7) is arranged on the bearing plate (2), the limiting member (7) comprises an expansion sleeve (702) installed in the wall body (1), a bolt (701) movably penetrates through the bearing plate (2), and the bolt (701) is in threaded fit with the expansion sleeve (702).
5. The safety support structure for underground coal mine excavation according to claim 2, wherein the two sides of the installation rod (301) are hinged with movable plates (8) used for abutting against the two sides of the wall body (1), the bearing plate (2) is provided with an adjusting block (801) in a sliding manner, a hinge rod (802) is hinged between the adjusting block (801) and the movable plates (8), and the bearing plate (2) is provided with a transmission part (9) used for driving the adjusting block (801) to move horizontally.
6. The safety support structure for underground coal mine excavation according to claim 5, wherein the transmission part (9) comprises a threaded rod (901) and a second motor (902), the bearing plate (2) is provided with a mounting end, the threaded rod (901) is horizontally and rotatably mounted on the bearing plate (2) through the mounting end of the bearing plate (2) and is in threaded fit with the adjusting block (801), the second motor (902) is mounted on the bearing plate (2), and an output shaft of the second motor is in transmission connection with the threaded rod (901).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221832556.3U CN217761028U (en) | 2022-07-08 | 2022-07-08 | Safety support structure for underground excavation of coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221832556.3U CN217761028U (en) | 2022-07-08 | 2022-07-08 | Safety support structure for underground excavation of coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217761028U true CN217761028U (en) | 2022-11-08 |
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ID=83872682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221832556.3U Active CN217761028U (en) | 2022-07-08 | 2022-07-08 | Safety support structure for underground excavation of coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217761028U (en) |
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2022
- 2022-07-08 CN CN202221832556.3U patent/CN217761028U/en active Active
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