CN214660254U

CN214660254U - Adjustable roof strut for non-coal underground mine stope

Info

Publication number: CN214660254U
Application number: CN202120868466.9U
Authority: CN
Inventors: 肖亮; 罗利伟; 何丰明; 曾云海
Original assignee: Sichuan Zhuchuang Safety Technology Co ltd
Current assignee: Sichuan Zhuchuang Safety Technology Co ltd
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2021-11-09
Anticipated expiration: 2031-04-25

Abstract

The utility model provides a non-coal underground mine stope is with adjustable roof pillar. Non-coal underground mine stope is with adjustable roof pillar includes: the hydraulic cylinder, a first support column, a second support column and a resisting plate, wherein an output shaft of the hydraulic cylinder is fixedly connected with the bottom end of the first support column, the first support column is positioned below the second support column, and the resisting plate is arranged on the second support column; the circular groove is formed in the top end of the first support column; the round plug is arranged in the round groove; the round block is rotatably arranged at the bottom end of the second strut; the rotating handle is fixedly installed at the bottom end of the round block, the bottom of the rotating handle is fixedly connected with the round plug, and the rotating handle is in contact with the top end of the first support. The utility model provides a non-coal underground mine is adjustable roof pillar for stope has can carry out the split with whole pillar, conveniently carries, and can the adaptability change support angle's advantage.

Description

Adjustable roof strut for non-coal underground mine stope

Technical Field

The utility model relates to a mining tool technical field especially relates to a non-coal underground mine stope is with adjustable roof pillar.

Background

The mine indicates the independent production operation unit of the mining ore that has certain exploitation position, and the mine mainly includes one or more mining workshop and some auxiliary workshop, at the in-process of some non-coal underground mine exploitation, can predetermine some roofs in the top inner wall in tunnel often, can improve tunnel intensity on the one hand, and on the other hand can prevent dropping of top rubble again to in order to guarantee the steadiness of roof, also can be equipped with corresponding hydraulic prop generally and support, improve the security performance.

However, traditional hydraulic prop discovers when using, because some pillars are whole longer, can not carry out adjustment mode such as split, this is difficult just to carry out convenient carrying with a whole pillar, the transport of not good loading to the butt plate of hydraulic prop top and roof contact is most just fixed, when the hypotenuse at the support roof edge or support some roof that have certain angle, just hardly makes butt plate laminate the roof completely, thereby has reduced the supporting effect.

Therefore, it is necessary to provide an adjustable roof support for a non-coal underground mine stope to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a can carry out the split with whole root pillar, conveniently carry, and can the adaptability change support angle's adjustable roof pillar is used in non-coal underground mine stope.

In order to solve the technical problem, the utility model provides a non-coal underground mine stope is with adjustable roof pillar, include: the hydraulic cylinder, a first support column, a second support column and a resisting plate, wherein an output shaft of the hydraulic cylinder is fixedly connected with the bottom end of the first support column, the first support column is positioned below the second support column, and the resisting plate is arranged on the second support column; the circular groove is formed in the top end of the first support column; the round plug is arranged in the round groove; the round block is rotatably arranged at the bottom end of the second strut; the rotating handle is fixedly arranged at the bottom end of the round block, the bottom of the rotating handle is fixedly connected with the round plug, and the rotating handle is in contact with the top end of the first support column; the two blind holes are formed in the round plug; the through groove is formed in the first support; the two frames are fixedly arranged on the first support column through bolts; the inserting mechanisms are arranged in the two frames.

Preferably, the top end of the second support column is fixedly connected with the abutting plate.

Preferably, the inserting mechanism comprises two connecting plates, a connecting rod, a gear, two tooth plates, two hollow plugs, two fixed rods and two springs I, the two connecting plates are respectively and slidably mounted on the inner walls of the bottoms of the frames, the connecting rod is rotatably mounted on the inner walls of the two sides of the through groove, one end of the connecting rod extends to the outer side of the pillar and is fixedly provided with a hand wheel, the gear is fixedly sleeved on the connecting rod, the two tooth plates are respectively and fixedly mounted on one sides, close to each other, of the two connecting plates, the two tooth plates are both meshed with the gear, the two hollow plugs are respectively and slidably mounted on the inner walls of the tops of the frames, one ends, close to each other, of the two hollow plugs extend into the corresponding blind holes, and the hollow plugs are movably connected with the inner walls of the circular grooves, the fixing rods are fixedly arranged at the tops of the connecting plates respectively, one end, close to each other, of each fixing rod extends to the corresponding position in the hollow plug and is fixedly provided with a separation blade, the fixing rods are connected with the inner wall of the hollow plug in a sliding mode, and the springs are sleeved on the fixing rods respectively.

Preferably, the inner walls of the tops of the two frames are fixedly provided with bridging plates, the fixing rods penetrate through the bridging plates and are movably connected with the bridging plates, the bottoms of the round plugs are arranged to be oblique sliding surfaces, and the oblique sliding surfaces are matched with the hollow plugs.

Preferably, one end of each of the two springs, which is close to each other, is fixedly connected with the two hollow plugs, and one end of each of the two springs, which is far away from each other, is fixedly connected with the two bridging plates.

Preferably, the second support column is separated from the abutting plate, the top end of the second support column is fixedly provided with a connecting seat, the top of the connecting seat is provided with a groove, the inner walls of the two sides of the groove are fixedly provided with bearing shafts, the bearing shafts are rotatably provided with movable blocks, and the tops of the movable blocks are fixedly connected with the abutting plate.

Preferably, sliding mounting has the arc pole on the seat even, the one end of arc pole with support board fixed connection, the cover is equipped with spring two on the arc pole, the one end of spring two with seat fixed connection even, the other end of spring two with support board fixed connection.

Compared with the prior art, the utility model provides a non-coal underground mine stope has following beneficial effect with adjustable roof pillar:

the utility model provides an adjustable roof pillar for non-coal underground mine stope, which can be disassembled and adjusted through two independent pillars I and II, thereby facilitating people to align, carry and transport, and when in operation, only a hand wheel needs to be rotated to rotate a connecting rod and a rotating handle, a series of disassembly and assembly work can be completed, and the operation is convenient;

and in the supporting process, the output shaft of the hydraulic cylinder is started to extend out to drive the first supporting column and the second supporting column to ascend, the supporting plate can support after contacting the top plate, and when the top plate has a certain angle, the supporting plate can rotate and adjust along with the inclination angle of the top plate through the second spring and the arc-shaped rod, so that the supporting plate can be attached to the top plate fully, and the overall supporting effect is improved.

Drawings

Fig. 1 is a schematic front view of a first embodiment of an adjustable roof support for a non-coal underground mine stope provided by the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

FIG. 3 is an enlarged schematic view of a portion B shown in FIG. 2;

fig. 4 is a schematic front view of a second embodiment of an adjustable roof support for a non-coal underground mine;

fig. 5 is an enlarged schematic view of a portion C shown in fig. 4.

Reference numbers in the figures: 1. a hydraulic cylinder; 2. a first support column; 3. a second support column; 4. a circular groove; 5. a round plug; 6. a round block; 7. a handle is rotated; 8. blind holes; 9. a through groove; 10. a frame; 11. a connector tile; 12. a connecting rod; 13. a gear; 14. a tooth plate; 15. a hollow plug; 16. fixing the rod; 17. a first spring; 18. a resisting plate; 19. connecting seats; 20. a groove; 21. a load bearing shaft; 22. a movable block; 23. an arcuate bar; 24. and a second spring.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

First embodiment

Referring to fig. 1-3 in combination, in a first embodiment of the present invention, an adjustable roof support for a non-coal underground mine includes: the hydraulic cylinder device comprises a hydraulic cylinder 1, a first support column 2, a second support column 3 and a resisting plate 18, wherein an output shaft of the hydraulic cylinder 1 is fixedly connected with the bottom end of the first support column 2, the top end of the first support column 2 is in contact with the second support column 3, and the resisting plate 18 is arranged on the second support column 3; the circular groove 4 is formed in the top end of the first support column 2; the round plug 5 is arranged in the round groove 4, and the rotating handle 7 can be smoothly rotated by arranging the cooperation of the round plug 5 and the round groove 4; the round block 6 is rotatably arranged at the bottom end of the second strut 3; the rotating handle 7 is fixedly arranged at the bottom end of the round block 6, the bottom of the rotating handle 7 is fixedly connected with the round plug 5, the rotating handle 7 is in contact with the first support column 2, and the rotating handle 7 and the first support column 2 have large sliding friction, so that the rotating handle 7 can be smoothly rotated; the two blind holes 8 are formed in the round plug 5, and the blind holes 8 are matched with the hollow plug 15, namely similar to the matching of a bolt and a pin hole, so that a clamping relation can be well formed, and the first support column 2 and the second support column 3 can be quickly installed; the through groove 9 is formed in the first support column 2; the two frames 10 are fixedly arranged on the first support column 2 through bolts; the plugging mechanisms are arranged in the two frames 10.

The top end of the second support post 3 is fixedly connected with the abutting plate 18.

The splicing mechanism comprises two connecting plates 11, a connecting rod 12, a gear 13, two tooth plates 14, two hollow plugs 15, two fixing rods 16 and two springs 17, wherein the two connecting plates 11 are respectively and slidably mounted on the inner walls of the bottom of the frame 10, the connecting rod 12 is rotatably mounted on the inner walls of the two sides of the through groove 9, one end of the connecting rod 12 extends out of the first pillar 2 and is fixedly provided with a hand wheel, the connecting rod 12 can be conveniently rotated by arranging the hand wheel, the gear 13 is fixedly sleeved on the connecting rod 12, the two tooth plates 14 are respectively and fixedly mounted on one sides of the two connecting plates 11 which are close to each other, the two tooth plates 14 are respectively meshed with the gear 13, the two tooth plates 14 are vertically distributed, so that the gear 13 can rotate, and the two tooth plates 14 can do opposite reverse or same-direction movement, the two hollow plugs 15 are respectively and slidably mounted on the inner walls of the tops of the two frames 10, one ends, close to each other, of the two hollow plugs 15 extend into the corresponding blind holes 8, the hollow plugs 15 are movably connected with the inner walls of the circular grooves 4, the hollow design of the hollow plugs 15 enables the fixing rods 16 to be inserted into the hollow plugs 15, and when the hollow plugs 15 are extruded in the later period, the fixing rods 16 can move in the horizontal direction under the action of the springs 17 without influencing the fixing rods 16, the two fixing rods 16 are respectively and fixedly mounted at the tops of the two connecting plates 11, one ends, close to each other, of the two fixing rods 16 extend into the corresponding hollow plugs 15 and are fixedly provided with blocking pieces, the blocking pieces are arranged, the fixing rods 16 can be prevented from being separated from the hollow plugs 15, and the fixing rods 16 are slidably connected with the inner walls of the hollow plugs 15, the two springs 17 are respectively sleeved on the two fixing rods 16, and the springs 17 can independently provide resilience force for the hollow plug 15, so that the hollow plug can enter the circular groove 4 or be inserted into the blind hole 8 under the condition of no stress.

Two equal fixed mounting has the bridging plate on the top inner wall of frame 10, dead lever 16 runs through bridging plate and with bridging plate swing joint, the setting of bridging plate can give a fixed point of spring 17, the bottom of round plug 5 is established to the slip face to one side, the slip face to one side with hollow plug 15 looks adaptation, slip face to one side can form the adaptation relation with hollow plug 15's button head to make things convenient for the later stage when round plug 5 inserts the circular slot 4, can extrude hollow plug 15.

One ends, close to each other, of the two first springs 17 are fixedly connected with the two hollow plugs 15 respectively, and one ends, far away from each other, of the two first springs 17 are fixedly connected with the two bridging plates respectively.

The utility model provides a non-coal underground mine stope is with adjustable roof pillar's theory of operation as follows:

when the first support column 2 and the second support column 3 need to be detached for carrying and transportation, the hand wheel is rotated clockwise, the connecting rod 12 can be driven to rotate, the connecting rod 12 can drive the gear 13 to rotate, the two tooth plates 14 can move in the direction away from each other through the meshing principle of the gear 13 and the tooth plates 14, so that the two connecting plate 11 are away from each other, at the moment, the two hollow plugs 15 are pulled and move in the direction away from each other under the action of the blocking piece inside the hollow plugs 15 through the fixing rod 16 fixed with the connecting plate 11, and finally the hollow plugs 15 are pulled out from the blind holes 8, at the moment, the round plugs 5 lose clamping limitation, then the second support column 3 is pulled out from the first support column 2, and the hand wheel is rotated anticlockwise, so that the hollow plugs 15 are brought back to the original positions and are positioned in the round grooves 4;

when the support is transported to a designated place and needs to be erected for use, the round plug 5 on the second support column 3 is inserted into the round groove 4, in the inserting process, the inclined sliding surface at the bottom of the round plug 5 can be in contact with the hollow plug 15, so that the hollow plug 15 is far away from each other under the action of the first spring 17, the hollow plug 15 is finally in contact with the outer side surface of the round plug 5, the first spring 17 is in a compressed state at the moment, then the rotating handle 7 is rotated, when the blind hole 8 in the hollow plug 15 is rotated to be aligned with the hollow plug 15, the first spring 17 can release elastic potential energy, the hollow plug 15 is brought into the blind hole 8, the installation is completed, and the later supporting work can be carried out.

through two solitary pillars 2 and pillar two 3 for this device can carry out the split and adjust, thereby makes things convenient for people to align to carry the transportation, and during the operation, only need rotate the hand wheel for connecting rod 12 rotates, and the mode of rotating handle 7, alright completion a series of dismouting work, convenient operation.

Second embodiment:

based on the adjustable roof strut for the non-coal underground mine stope provided by the first embodiment of the application, the second embodiment of the application provides another adjustable roof strut for the non-coal underground mine stope. The second embodiment is merely a preferred way of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.

The second embodiment of the present invention will be further explained with reference to the drawings and the embodiments.

Referring to fig. 4-5, in a second embodiment of the present invention, an adjustable roof support for a non-coal underground mine stope is provided: the utility model discloses a support plate, including the pillar two 3, support plate 18 phase separation, the top fixed mounting of pillar two 3 has even seat 19, even the top of seat 19 is seted up flutedly 20, fixed mounting has bearing shaft 21 on the both sides inner wall of recess 20, bearing shaft 21 is last to rotate and to install movable block 22, through the active relation between bearing shaft 21 and the movable block 22, can make support plate 18 be in a state of relative activity, the top of movable block 22 with support plate 18 fixed connection.

Sliding mounting has arc pole 23 on the seat 19 even, the one end of arc pole 23 with support plate 18 fixed connection, the centre of a circle of arc pole 23 and the centre of a circle of bearing axle 21 are in same axis for arc pole 23 can rotate along with support plate 18's rotation, the cover is equipped with spring two 24 on the arc pole 23, spring two 24 one end with seat 19 fixed connection even, spring two 24 the other end with support plate 18 fixed connection, spring two 24 can make support plate 18 adapt to the roof of different angles, and then improve the supporting effect to having certain angle roof.

In the process of supporting the roof, the output shaft that starts pneumatic cylinder 1 stretches out, alright drive pillar one 2 and pillar two 3 rise, support the board 18 after contacting the roof, alright support work, and when the roof has certain angle, through spring two 24 and the arc pole 23 that set up for support the rotation adjustment that the board 18 can adapt to along with the angle of roof slope, thereby can be abundant form the laminating with the roof, and then improve holistic supporting effect.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. Non-coal underground mine stope is with adjustable roof pillar, its characterized in that includes:

the hydraulic cylinder, a first support column, a second support column and a resisting plate, wherein an output shaft of the hydraulic cylinder is fixedly connected with the bottom end of the first support column, the first support column is positioned below the second support column, and the resisting plate is arranged on the second support column;

the circular groove is formed in the top end of the first support column;

the round plug is arranged in the round groove;

the round block is rotatably arranged at the bottom end of the second strut;

the rotating handle is fixedly arranged at the bottom end of the round block, the bottom of the rotating handle is fixedly connected with the round plug, and the rotating handle is in contact with the top end of the first support column;

the two blind holes are formed in the round plug;

the through groove is formed in the first support;

the two frames are fixedly arranged on the first support column through bolts;

the inserting mechanisms are arranged in the two frames.

2. The adjustable roof support for the non-coal underground mine stope according to claim 1, wherein the top end of the second support is fixedly connected with the butt plate.

3. The adjustable roof support for a non-coal underground mine stope according to claim 1, wherein the plugging mechanism comprises two connection plates, a connecting rod, a gear, two tooth plates, two hollow plugs, two fixed rods and two springs I, the two connection plates are respectively slidably mounted on the bottom inner walls of the two frames, the connecting rod is rotatably mounted on the inner walls of the two sides of the through groove, one end of the connecting rod extends out of the support I and is fixedly mounted with a hand wheel, the gear is fixedly mounted on the connecting rod, the two tooth plates are respectively fixedly mounted on the sides of the two connection plates close to each other, the two tooth plates are both engaged with the gear, the two hollow plugs are respectively slidably mounted on the top inner walls of the two frames, the ends of the two hollow plugs close to each other extend into the corresponding blind holes, the hollow plug with the inner wall swing joint of circular slot, two the dead lever is fixed mounting respectively two the top of connection board, two the one end that the dead lever is close to each other all extends to corresponding in the hollow plug and fixed mounting have the separation blade, just the dead lever with the inner wall sliding connection of hollow plug, two the spring is established respectively the cover and is established two on the dead lever.

4. The adjustable roof support for a non-coal underground mine stope as claimed in claim 3, wherein a bridging plate is fixedly mounted on the inner wall of the top of each of the two frames, the fixing rod penetrates through the bridging plate and is movably connected with the bridging plate, the bottom of the round plug is provided with a slope sliding surface, and the slope sliding surface is matched with the hollow plug.

5. The adjustable roof support for a non-coal underground mine stope according to claim 4, wherein one ends of the two springs, which are close to each other, are fixedly connected to the two hollow plugs, respectively, and one ends of the two springs, which are far from each other, are fixedly connected to the two bridging plates, respectively.

6. The adjustable roof support column for the non-coal underground mine stope according to claim 1, wherein the second support column is separated from the abutting plate, a connecting seat is fixedly installed at the top end of the second support column, a groove is formed in the top of the connecting seat, bearing shafts are fixedly installed on the inner walls of two sides of the groove, movable blocks are rotatably installed on the bearing shafts, and the tops of the movable blocks are fixedly connected with the abutting plate.

7. The adjustable roof support column for the non-coal underground mine stope as claimed in claim 6, wherein an arc-shaped rod is slidably mounted on the connecting seat, one end of the arc-shaped rod is fixedly connected with the abutting plate, a second spring is sleeved on the arc-shaped rod, one end of the second spring is fixedly connected with the connecting seat, and the other end of the second spring is fixedly connected with the abutting plate.