CN217783543U - Colliery is gob entry supporting device in pit - Google Patents
Colliery is gob entry supporting device in pit Download PDFInfo
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- CN217783543U CN217783543U CN202221577974.2U CN202221577974U CN217783543U CN 217783543 U CN217783543 U CN 217783543U CN 202221577974 U CN202221577974 U CN 202221577974U CN 217783543 U CN217783543 U CN 217783543U
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Abstract
The utility model discloses a colliery is gob entry supporting device in pit, its structure includes protection machanism and supporting mechanism, through having set up protection machanism at installation piece left end, support at the double-pole sheathed tube inside removal horizontal pole through first compression spring, and carry out spacing extrusion action to removing the horizontal pole through adjusting screw and spacing kicking block, through having set up complementary unit at double-pole sleeve pipe top, the supporting effect through mount pad and regulation pole makes double-pole sleeve pipe and regulation slide bar keep perpendicular action, through having set up the supporting mechanism and adjusting the slide bar front end, adjust the action through second compression spring and third compression spring control protection curb plate respectively through slip circle piece and fixed gas pole, be favorable to improving the side to gob entry and carry out the protecting effect.
Description
Technical Field
The utility model relates to a gob entry supporting technical field, concretely relates to colliery is gob entry supporting device in pit.
Background
Maintaining an original stoping roadway along the edge of a goaf behind a gob-side entry retaining coal face; in order to recover the protective coal pillars reserved in the traditional mining mode; adopting a certain technical means to reserve the crossheading of the previous section for the next section for use; the method for retaining the roadway is that the roadway is retained at the original gateway position along the edge of the gob, and the roadway is called gob-side entry retaining; the gob-side entry retaining can recover resources to the maximum extent; in the inside of gob-side entry retaining, need set up supporting device and come to support gob-side entry retaining inside to in gob-side entry retaining protect.
At present, chinese patent with publication number CN202022616910.6 discloses a big section is along empty coal road roof supporting device, including an arc backplate, a supporting beam, let and press subassembly and two supporting components, the arc backplate sets up and its arc mouth down with the width direction level along the coal road, and it is used for providing for the coal road roof struts, and a supporting beam sets up in the below of an arc backplate, and its both ends are connected with the both ends of an arc backplate, and two supporting components support respectively on the coal road bottom plate.
When the existing device carries out supporting action, most devices are simple in structure and single in function, and the production requirements of different coal mining sites are difficult to meet; the existing device mostly needs more and complicated installation steps when carrying out installation and adjustment actions; meanwhile, the existing device lacks the action of protecting the side face of the support frame, and the protection effect of the existing device is poor.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to overcome the defects of the prior art, the underground coal mine gob-side entry retaining supporting device is provided, and the problems that most of the existing devices are simple in structure and single in function when supporting, and the production requirements of different coal mining sites are difficult to meet are solved; the existing device mostly needs more and complicated installation steps when carrying out installation and adjustment actions; meanwhile, the existing device lacks the protection action on the side face of the support frame, and the problem that the protection effect of the existing device is poor is caused.
(II) technical scheme
The utility model discloses a following technical scheme realizes: the utility model provides a colliery is gob entry support device in pit, including elastic roof, installation piece, protection mechanism, accommodate slide bar, adjusting screw one, supporting mechanism, PMKD, protection curb plate, stock and external cable, the elastic roof bottom left and right sides all with installation piece fixed connection, installation piece bottom and accommodate slide bar dead lever bolted connection, accommodate slide bar left end screw thread mouth and an adjusting screw threaded connection, accommodate slide bar piston rod bottom and PMKD bolted connection, the PMKD left side is equipped with the protection curb plate, elastic roof top notch and stock fixed connection, elastic roof rear end and external cable fixed connection, its characterized in that: the protection mechanism is arranged on the right side of the installation block and comprises a movable transverse rod, a double-rod sleeve, a retreating groove, a second adjusting screw rod, a limiting top block, a first compression spring, a pressure sensor, an auxiliary mechanism and a gas detector, the right side of the installation block is fixedly connected with the movable transverse rod, the movable transverse rod is slidably connected with the inner wall of the double-rod sleeve, the retreating groove is formed in the left side and the right side of the bottom of the double-rod sleeve, the inner groove thread groove of the retreating groove is in threaded connection with the second adjusting screw rod, the second top of the adjusting screw rod is fixedly connected with the limiting top block, the limiting top block is slidably connected with the inner groove wall of the retreating groove, the inner groove wall of the double-rod sleeve is slidably connected with the first compression spring, the left side and the right side of the first compression spring are elastically connected with the movable transverse rod, the inner side wall of the first compression spring is fixedly connected with the pressure sensor, the heads of the left side and the left side of the pressure sensor are all in bolted connection with the movable transverse rod, the outer side of the double-rod sleeve are provided with the bolt connection of the double-rod sleeve, the pressure sensor and the gas detector are electrically connected with the front end of the adjusting cable.
Furthermore, the auxiliary mechanism comprises a fixed sleeve, a mounting seat, an adjusting rod, a first elastic column, a limiting rotary joint and an elastic support plate, the outer side of the double-rod sleeve is in bolted connection with the inner cylinder wall of the fixed sleeve, the bottom of the fixed sleeve is in bolted connection with the mounting seat, a rotating shaft in the mounting seat is respectively in rotating connection with the upper side and the lower side of the adjusting rod, the mounting seat at the bottom side of the adjusting rod is in bolted connection with the right side wall of the adjusting slide rod, the top of the fixed sleeve is in elastic connection with the first elastic column, the top of the first elastic column is in rotating connection with the limiting rotary joint, the limiting rotary joint is in rotating connection with the bottom of the elastic support plate, and the elastic support plate is in contact with the bottom side of the elastic top plate.
Further, the supporting mechanism comprises a limiting sliding groove, a sliding round block, a second elastic column, a second compression spring, a fixed air rod and a third compression spring, the front end of the adjusting sliding rod is provided with the limiting sliding groove, the inner wall of the limiting sliding groove is connected with the sliding round block in a sliding mode, the left end of the sliding round block is connected with the second elastic column in an elastic mode, the left end of the sliding round block is connected with the second compression spring in an elastic mode, the left side of the second elastic column is connected with the protective side plate in an elastic mode, the left side of the second compression spring is connected with the protective side plate in an elastic mode, the top of the fixing bottom plate is connected with the fixed air rod through bolts, the piston rod of the fixed air rod is fixedly connected with the protective side plate, the fixed air rod is connected with the third compression spring in an elastic mode, and the right end of the third compression spring is connected with the protective side plate in an elastic mode.
Furthermore, the stretching length of the first compression spring is the same as the sensing length of the pressure sensor, and the movable cross rod is perpendicular to the adjusting slide rod.
Furthermore, the elastic force intensity of the second compression spring is the same as that of the third compression spring, and the fixed air rod is perpendicular to the left side of the protection side plate.
Furthermore, the double-rod sleeve is made of steel.
Furthermore, the limiting swivel is made of steel.
(III) advantageous effects
Compared with the prior art, the utility model, following beneficial effect has:
1) A colliery is gob entry supporting device in pit, through having set up protection machanism at installation piece left end, support the removal horizontal pole at two pole bushing insides through first compression spring, and carry out spacing extrusion action to removing the horizontal pole through adjusting screw two and spacing kicking block, thereby make and remove the horizontal pole and support the action to the installation piece, carry out the sensing action to holding pressure through pressure sensor this moment, and monitor the action through gas detector to the inboard dust in gob entry, be favorable to improving the sensing effect to parts such as protective bracket and the gaseous sensing effect to gob entry.
2) A colliery is gob entry supporting device in pit through having set up complementary unit at two pole sleeve pipe tops, makes two pole sleeve pipes and adjusts the slide bar through the support effect of mount pad and regulation pole and keep perpendicular action to the elastic effect through parts such as first elasticity post, spacing commentaries on classics and elasticity extension board supports the action to the elasticity roof, is favorable to improving the support protective effect to the elasticity roof.
3) A colliery is gob entry supporting device in pit through having set up supporting mechanism at the regulation slide bar front end, through slip disk and fixed gas pole respectively through second compression spring and third compression spring control protection curb plate adjust the action, be favorable to improving and carry out the protecting effect to the side of gob entry.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the protection mechanism of the present invention;
fig. 3 is an enlarged schematic structural view of a point a in fig. 2 according to the present invention;
FIG. 4 is a schematic view of a partial sectional structure of the auxiliary mechanism of the present invention;
fig. 5 is a schematic view of a partial sectional structure of the supporting mechanism of the present invention.
In the figure: the device comprises an elastic top plate-1, an installation block-2, a protection mechanism-3, an adjusting slide rod-4, an adjusting screw rod-5, a supporting mechanism-6, a fixed bottom plate-7, a protection side plate-8, an anchor rod-9, an external cable-10, a movable cross rod-31, a double-rod sleeve-32, a yielding groove-33, an adjusting screw rod-34, a limiting top block-35, a first compression spring-36, a pressure sensor-37, an auxiliary mechanism-38, a gas detector-39, a fixed sleeve-381, an installation seat-382, an adjusting rod-383, a first elastic column-384, a limiting swivel-385, an elastic support plate-386, a limiting chute-61, a sliding round block-62, a second elastic column-63, a second compression spring-64, a fixed gas rod-65 and a third compression spring-66.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, the utility model provides a colliery is gob entry support device in pit: including elastic roof 1, installation piece 2, protection machanism 3, adjust slide bar 4, adjusting screw 5, supporting mechanism 6, PMKD 7, protection curb plate 8, stock 9 and external cable 10, the 1 bottom left and right sides of elastic roof all with installation piece 2 fixed connection, 2 bottoms of installation piece and 4 dead lever bolted connections of adjust slide bar, 4 left end screw threads of adjust slide bar and 5 threaded connections of adjusting screw, 4 piston rod bottoms of adjust slide bar and 7 bolted connections of PMKD, 7 left sides of PMKD are equipped with protection curb plate 8, 1 top notch of elastic roof and stock 9 fixed connection, 1 rear end of elastic roof and external cable 10 fixed connection.
Referring to fig. 2, 3 and 4, the utility model provides a coal mine underground gob-side entry retaining support device, a protection mechanism 3 is arranged on the right side of an installation block 2, the protection effect is improved, the protection mechanism 3 comprises a movable cross rod 31, a two-rod sleeve 32, a receding groove 33, an adjusting screw rod two 34, a limiting top block 35, a first compressed spring 36, a pressure sensor 37, an auxiliary mechanism 38 and a gas detector 39, the right side of the installation block 2 is fixedly connected with the movable cross rod 31, the fixing effect of the movable cross rod 31 is improved, the movable cross rod 31 is in sliding connection with the inner wall of the two-rod sleeve 32, the displacement effect of the movable cross rod 31 is improved, the receding groove 33 is arranged on the left side and the right side of the bottom of the two-rod sleeve 32, the limiting effect of the receding groove 33 is improved, the thread groove in the receding groove 33 is in threaded connection with the adjusting screw rod two 34, the limiting effect of the receding groove 33 is improved, the top of the adjusting screw rod two 34 is fixedly connected with the limiting top block 35, the top of the adjusting screw rod two-rod 32 is fixedly connected with the limiting top block 35, the pressure sensor 36 is improved, the pressure sensor is improved, the effect of the left side and right side of the first compressed spring 36, the pressure sensor is improved, the pressure sensor 32, the pressure sensor is improved, the pressure sensor 37 is improved, the pressure sensor 37 and the gas detector 39 are both electrically connected with the external cable 10, the support mechanism 6 is arranged at the front end of the adjusting slide bar 4, the support effect is improved, the auxiliary mechanism 38 comprises a fixed sleeve 381, a mounting seat 382, an adjusting rod 383, a first elastic column 384, a limiting swivel 385 and an elastic support plate 386, the outer side of the double-rod casing 32 is in bolt connection with the inner wall of the fixed sleeve 381, the fixing effect of the fixed sleeve 381 is improved, the bottom of the fixed sleeve 381 is in bolt connection with the mounting seat 382, the fixing effect of the mounting seat 382 is improved, rotating shafts in the mounting seat 382 are respectively in rotating connection with the upper side and the lower side of the adjusting rod 383, the fixing effect of the mounting seat 382 is improved, the mounting seat 382 is in bolt connection with the right side wall of the adjusting slide bar 4, the fixing effect of the mounting seat 382 is improved, the top of the fixed sleeve 381 is in elastic connection with the first elastic column 384, the top of the first elastic column 384 is in rotating connection with the limiting swivel, the fixing effect of the limiting swivel 385, the limiting swivel 385 is in rotating connection with the elastic support plate 384, the top of the elastic support plate 386, the elastic support plate 386 is in contact with the fixed transverse rod 31, the movable transverse rod 31, the adjusting slide bar 31 and the transverse rod 31 is driven by the spring 386, and the movable transverse rod 31.
Referring to fig. 5, the utility model provides a coal mine underground gob-side entry retaining support device, the support mechanism 6 includes a limit chute 61, a sliding round block 62, a second elastic column 63, a second compression spring 64, a fixed gas rod 65 and a third compression spring 66, the front end of the adjusting slide bar 4 is provided with the limit chute 61, the limit effect of the limit chute 61 is improved, the inner wall of the limit chute 61 is slidably connected with the sliding round block 62, the displacement effect of the sliding round block 62 is improved, the left end of the sliding round block 62 is elastically connected with the second elastic column 63, the fixing effect of the second elastic column 63 is improved, the left end of the sliding round block 62 is elastically connected with the second compression spring 64, the fixing effect of the second compression spring 64 is improved, the left side of the second elastic column 63 is elastically connected with the protective side plate 8, the fixing effect of the second elastic column 63 is improved, second compression spring 64 left side and 8 elastic connection of protection curb plate, improve the fixed effect of second compression spring 64, PMKD 7 top and fixed gas pole 65 bolted connection, improve the fixed effect of fixed gas pole 65, fixed gas pole 65 piston rod and 8 fixed connection of protection curb plate, improve the spacing effect of fixed gas pole 65, fixed gas pole 65 dead lever and third compression spring 66 elastic connection, improve the fixed effect of third compression spring 66, third compression spring 66 right-hand member and 8 elastic connection of protection curb plate, improve the fixed effect of third compression spring 66, second compression spring 64 is the same with the elastic strength of third compression spring 66, and fixed gas pole 65 is the vertical relation with 8 left sides of protection curb plate, improve the drive effect of second compression spring 64 and third compression spring 66.
The utility model provides a coal mine underground gob-side entry retaining support device through improvement, and the working principle is as follows;
firstly, when the equipment is used, the device is firstly placed in a working area, and then the equipment is connected with an external power supply, so that the required electric energy can be provided for the work of the equipment;
secondly, during the protection action, the mounting block 2 is supported by the two groups of movable cross rods 31, at the moment, the movable cross rods 31 are supported by the first compression springs 36 and the pressure sensors 37 in the double-rod sleeve 32, and the limit jacking blocks 35 are driven to slide on the inner groove walls of the yielding grooves 33 by rotating the adjusting screw rods 34, so that the limit jacking blocks 35 are displaced to perform limit extrusion action on the movable cross rods 31, and the movable cross rods 31 are enabled to support the mounting block 2;
thirdly, at the moment, the pressure sensor 37 performs sensing action on the supporting pressure, and then the gas detector 39 performs monitoring action on the dust on the inner side of the gob-side entry retaining, so that the sensing effect on parts such as a protective bracket and the like and the gas sensing effect on the gob-side entry retaining are improved;
fourthly, the double-rod sleeve 32 and the adjusting slide rod 4 keep vertical motion under the limiting motion supported by the adjusting rod 383 through the two groups of mounting seats 382, then the elastic effect of the parts such as the limiting swivel 385, the elastic support plate 386 and the like are driven by the first elastic column 384 to support the elastic top plate 1, the elastic support plate 386 is driven by the adjusting motion of the limiting swivel 385 to rotate, and the supporting and protecting effect on the elastic top plate 1 is improved;
fifthly, then drive the fixed baseplate 7 through adjusting the slide bar 4 and make fixed gas pole 65 follow the displacement under the action of driving, thereby make fixed gas pole 65 and third compression spring 66 drive the protection curb plate 8 and carry out the displacement, thereby make slip round piece 62 drive second elasticity post 63 and second compression spring 64 and slide, and protect the action through second compression spring 64 and third compression spring 66 to protection curb plate 8, be favorable to improving and carry out the protecting effect to the side of gob entry.
A colliery is gob entry support device in pit, support removing horizontal pole 31 through first compression spring 36 in double-rod sleeve pipe 32 is inside, and carry out spacing extrusion action to removing horizontal pole 31 through adjusting screw two 34 and spacing kicking block 35, thereby make removing horizontal pole 31 and support the action to installation piece 2, carry out sensing action to supporting pressure through pressure sensor 37 this moment, and monitor the action to the inboard dust in gob entry through gas detector 39, be favorable to improving the sensing effect to parts such as protective bracket and the gaseous sensing effect to gob entry, the support effect through mount 382 and regulation pole 383 makes double-rod sleeve pipe 32 and adjusts slide bar 4 and keep perpendicular action, and through first elasticity post 384, the elasticity effect of parts such as spacing knuckle 385 and elasticity extension board 386 supports the action to elasticity roof 1, be favorable to improving the support effect to elasticity roof 1, protect the side of action through second compression spring 64 and third compression spring 66 respectively through slip round block 62 and fixed gas pole 65, be favorable to improving the side of gob entry and carry out the protection effect.
Claims (8)
1. The utility model provides a colliery is gob entry support device in pit, includes elasticity roof (1) and external cable (10), the elasticity roof (1) bottom left and right sides all with installation piece (2) fixed connection, installation piece (2) bottom and regulation slide bar (4) dead lever bolted connection, regulation slide bar (4) left end screw thread mouth and adjusting screw one (5) threaded connection, adjusting slide bar (4) piston rod bottom and PMKD (7) bolted connection, its characterized in that: still include protection machanism (3) and supporting mechanism (6), installation piece (2) right side is located in protection machanism (3), protection machanism (3) are including removing horizontal pole (31), two pole sleeve pipes (32), give way groove (33), adjusting screw two (34), spacing kicking block (35), first compression spring (36), pressure sensor (37), complementary unit (38) and gas detector (39), remove horizontal pole (31) and two pole sleeve pipes (32) inner tube wall sliding connection, give way groove (33) inner groove thread groove and adjusting screw two (34) threaded connection, adjusting screw two (34) top and spacing kicking block (35) fixed connection, first compression spring (36) inside wall and pressure sensor (37) fixed connection, two pole sleeve pipes (32) outside is equipped with complementary unit (38), two pole sleeve pipe (32) top and gas detector (39) bolted connection, supporting mechanism (6) are located and are adjusted slide bar (4) front end.
2. The underground gob-side entry retaining support device of claim 1, which is characterized in that: the auxiliary mechanism (38) comprises a fixed sleeve (381), an installation seat (382), an adjusting rod (383), a first elastic column (384), a limiting rotary joint (385) and an elastic support plate (386), wherein the outer side of the double-rod sleeve (32) is in bolted connection with the inner wall of the fixed sleeve (381), the bottom of the fixed sleeve (381) is in bolted connection with the installation seat (382), a rotating shaft in the inner side of the installation seat (382) is respectively in rotatable connection with the upper side and the lower side of the adjusting rod (383), the installation seat (382) on the bottom side of the adjusting rod (383) is in bolted connection with the right side wall of the adjusting slide rod (4), the top of the fixed sleeve (381) is in elastic connection with the first elastic column (384), the top of the first elastic column (384) is in rotatable connection with the limiting rotary joint (385), the limiting rotary joint (385) is in rotatable connection with the bottom of the elastic support plate (386), and the elastic support plate (386) is in contact with the bottom side of the elastic top plate (1).
3. The underground gob-side entry retaining support device of claim 1, which is characterized in that: supporting mechanism (6) are including spacing spout (61), slip circle piece (62), second elasticity post (63), second compression spring (64), fixed gas pole (65) and third compression spring (66), it is equipped with spacing spout (61) to adjust slide bar (4) front end, cell wall and slip circle piece (62) sliding connection in spacing spout (61), slip circle piece (62) left end and second elasticity post (63) elastic connection, slip circle piece (62) left end and second compression spring (64) elastic connection, second elasticity post (63) left side and protection curb plate (8) elastic connection, second compression spring (64) left side and protection curb plate (8) elastic connection, PMKD (7) top and fixed gas pole (65) bolted connection, fixed gas pole (65) piston rod and protection curb plate (8) fixed connection, fixed gas pole (65) dead lever and third compression spring (66) elastic connection, third compression spring (66) and protection curb plate (8) right-hand member.
4. The underground gob-side entry retaining support device of claim 1, which is characterized in that: the fixed base plate (7) left side is equipped with protection curb plate (8), elasticity roof (1) top notch and stock (9) fixed connection, elasticity roof (1) rear end and external cable (10) fixed connection.
5. The underground gob-side entry retaining support device of claim 1, which is characterized in that: installation piece (2) right side and removal horizontal pole (31) fixed connection, the left and right sides of two pole sleeve pipe (32) bottom all is equipped with and moves back groove (33), spacing kicking block (35) and move back groove (33) interior cell wall sliding connection, cell wall and first compression spring (36) sliding connection in two pole sleeve pipe (32).
6. The underground gob-side entry retaining support device of claim 1, which is characterized in that: the left side and the right side of the first compression spring (36) are elastically connected with the movable cross rod (31), the sensing heads on the left side and the right side of the pressure sensor (37) are connected with the movable cross rod (31) through bolts, and the pressure sensor (37) and the gas detector (39) are electrically connected with the external cable (10).
7. The underground gob-side entry retaining support device of claim 1, which is characterized in that: the stretching length of the first compression spring (36) is the same as the sensing length of the pressure sensor (37), and the movable cross rod (31) is perpendicular to the adjusting slide rod (4).
8. The underground coal mine gob-side entry retaining support device according to claim 3, characterized in that: the second compression spring (64) and the third compression spring (66) have the same elastic strength, and the fixed air rod (65) is vertical to the left side of the protection side plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221577974.2U CN217783543U (en) | 2022-06-22 | 2022-06-22 | Colliery is gob entry supporting device in pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221577974.2U CN217783543U (en) | 2022-06-22 | 2022-06-22 | Colliery is gob entry supporting device in pit |
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| CN217783543U true CN217783543U (en) | 2022-11-11 |
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| CN202221577974.2U Active CN217783543U (en) | 2022-06-22 | 2022-06-22 | Colliery is gob entry supporting device in pit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115749880A (en) * | 2022-12-09 | 2023-03-07 | 湖南省通泰工程有限公司 | Tunnel construction strutting arrangement |
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2022
- 2022-06-22 CN CN202221577974.2U patent/CN217783543U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115749880A (en) * | 2022-12-09 | 2023-03-07 | 湖南省通泰工程有限公司 | Tunnel construction strutting arrangement |
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