CN214533021U - Underground head-on temporary support device - Google Patents
Underground head-on temporary support device Download PDFInfo
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- CN214533021U CN214533021U CN202120157338.3U CN202120157338U CN214533021U CN 214533021 U CN214533021 U CN 214533021U CN 202120157338 U CN202120157338 U CN 202120157338U CN 214533021 U CN214533021 U CN 214533021U
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- inner sleeve
- oil cylinder
- outer sleeve
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Abstract
The utility model relates to a head-on temporary support device in pit belongs to the colliery and extends up equipment technical field down. The technical scheme is that the device comprises a fixed sleeve, a supporting oil cylinder and the like; the cylinder body of the supporting oil cylinder is hinged with the connecting lug on the upper side edge of the fixed sleeve, the telescopic rod of the supporting oil cylinder is hinged with the connecting lug on the side edge of the outer sleeve, and the connecting lug on the rear end of the outer sleeve is hinged with the connecting lug on the front end of the fixed sleeve; the telescopic oil cylinder is arranged in the outer sleeve and the inner sleeve, one end of the inner sleeve is nested in the outer sleeve, and a telescopic rod of the telescopic oil cylinder stretches and retracts to drive the inner sleeve to slide back and forth along the outer sleeve; the pulling plate is symmetrically nested in the rectangular steel at the front end of the inner sleeve; the limiting pins are symmetrically arranged on the pin holes of the inner sleeve, the adjusting bolts are symmetrically arranged, and the cylindrical external thread part of the adjusting bolts is tightly connected with the threaded holes of the inner sleeve. The utility model discloses a meet the head and protect the risk that the net mode had avoided artifical empty roof operation, greatly improved the operation security, improved labor efficiency.
Description
Technical Field
The utility model belongs to the technical field of the colliery is expanded equipment down, concretely relates to meet first temporary support device in pit.
Background
At present, when a hydraulic anchor rod drill carriage carries out head-on drilling and roof and side wall anchoring operation at the head-on position of a roadway in an underground coal mine, a temporary supporting device of the hydraulic anchor rod drill carriage only plays a certain supporting role on the roof of the roadway, and effective protection is lacked in the head-on direction of the roadway. The mode that the scaffold is taken to the manual work to the overhead net anchor of tradition and strut is adopted, personnel stand at the foremost end of head-on, and intensity of labour is big, the empty top operating time is long, the frequency of construction is high, efficient, has the risk that the head-on coal wall collapses and collapses in the operation process, very easily causes the casualties.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a temporary support device is met in pit to solve above-mentioned problem.
In order to achieve the above object, the utility model adopts the following technical scheme:
a temporary support device for an underground head-on comprises a fixed sleeve, a support oil cylinder, an outer sleeve, a telescopic oil cylinder, an inner sleeve, a limit pin, a drawing plate and an adjusting bolt; the supporting oil cylinders are symmetrically arranged in a left-right mode, the cylinder body of each supporting oil cylinder is hinged to a connecting lug on the upper side edge of the fixed sleeve, a telescopic rod of each supporting oil cylinder is hinged to a connecting lug on the side edge of the outer sleeve, a connecting lug at the rear end of the outer sleeve is hinged to a connecting lug at the front end of the fixed sleeve, and the telescopic rods of the supporting oil cylinders stretch to drive the outer sleeve to achieve vertical 95-degree angle adjustment; the telescopic oil cylinder is arranged in the outer sleeve and the inner sleeve, the cylinder body of the telescopic oil cylinder is hinged with the outer sleeve, the telescopic rod of the telescopic oil cylinder is hinged with the inner sleeve, one end of the inner sleeve is nested in the outer sleeve and is matched with the outer sleeve for use, and the telescopic rod of the telescopic oil cylinder stretches and retracts to drive the inner sleeve to slide back and forth along the outer sleeve; the drawing plates are symmetrically nested in the rectangular steel at the front end of the inner sleeve in left and right directions, and the drawing plates are 2 in total; the limiting pins are symmetrically arranged on the pin holes of the inner sleeve in a left-right mode, the central axes of the limiting pins are overlapped with the axes of the pin holes, the centers of the limiting pins are connected through the limiting holes of the drawing plate, the limiting pins play a limiting role in the drawing plate, and the drawing plate is prevented from falling off from two sides of the rectangular steel in the drawing process; the adjusting bolts are arranged in a left-right symmetrical mode and are arranged in 2 pieces, and the cylindrical external thread parts of the adjusting bolts are fixedly connected with the threaded holes of the inner sleeve.
The preferred mode of the technical scheme is as follows: the structure of the inner sleeve consists of a telescopic sleeve, rectangular steel, threaded holes, pin holes and struts; the telescopic sleeve is arranged at the rear end of the middle part of the rectangular steel, is nested in the outer sleeve and can slide back and forth along with the expansion of the telescopic oil cylinder; the rectangular steel is arranged at the front end of the inner sleeve, the rear side surface of the rectangular steel is fixedly connected with the telescopic sleeve, and the front side surface of the rectangular steel is provided with a plurality of struts; the number of the threaded holes is 2, the threaded holes are symmetrically arranged on two sides of the upper part of the rectangular steel in left-right mode and provide mounting support for the adjusting bolts; the pin holes are divided into 2 groups, are symmetrically arranged at two ends of the rectangular steel in a left-right mode, and are convenient for installation of limiting pins.
The preferred mode of the technical scheme is as follows: the drawing plate is composed of a hand hole, a hook, a limiting hole, a pressing groove and a chamfer. The hand hole is formed in one end of the drawing plate; the hooks are respectively arranged at the inner side positions of the hand holes on the front side surfaces of the left drawing plate and the right drawing plate; the limiting hole is formed in the middle of the drawing plate, so that a limiting pin can pass through the limiting hole conveniently and the drawing plate can be limited; the pressing groove is arranged at the upper part of the drawing plate, so that the adjusting bolt can be conveniently pressed downwards; the chamfer angle is 4 in total, establishes 4 long limit positions at taking out the board.
The preferred mode of the technical scheme is as follows: the adjusting bolt consists of a handle, a cylindrical external thread and a cylindrical end. The handle is arranged at the top of the adjusting bolt, and the section of the handle is circular; the cylindrical external thread is arranged in the middle of the adjusting bolt and is tightly matched with the threaded hole of the inner sleeve; the cylindrical end is arranged at the tail of the adjusting bolt, and the bottom end is a plane, so that the pressing groove bottom is conveniently compressed.
The preferred mode of the technical scheme is as follows: the hook is of an L-shaped structure.
The preferred mode of the technical scheme is as follows: the cylindrical end is of a cylindrical structure.
The above technical scheme is adopted in the utility model, can load at hydraulic pressure stock drill carriage temporary support telescope tube front end, when hydraulic pressure stock drill carriage was in the operating position that heads on, the device can expand fast and protect the coal wall that heads on, protects the back that finishes, can retrieve fast to minimum state, does not influence the normal operation of other equipment. The utility model can rapidly adjust the head-on upper and lower protection positions by driving the outer sleeve to lift up and down within a certain angle range through the supporting oil cylinder; the utility model discloses a take out the board couple about and carry out the hanging net operation, take out the board about supplementary pull and satisfy the first area hanging net requirement of supporting, the flexible hydro-cylinder action of cooperation will meet the first protecting wire net and send to different first operating position of meeting and the tight first coal wall of top, better reach the first protection requirement of meeting. The head-on support mode adopted by the device replaces the original mode of manually building a scaffold to carry out head-on protection, thereby effectively reducing the labor intensity of workers and improving the operation safety and the head-on support efficiency; the device can move along with the hydraulic anchor rod drill carriage, is convenient to use, and enhances the performance of the original unit. Compared with the prior art, the utility model discloses have following apparent advantage:
1. compact structure, simple operation. The utility model has the advantages of stable action of each component, enough strength and stability, rapid realization of the functions of unfolding and folding, light and compact structure and convenient operation;
2. high safety and low labor intensity. The head-on net protecting mode adopted by the utility model avoids the risk of manual empty roof operation, greatly improves the operation safety, and releases workers from heavy work;
3. the jacking force is reliable, and the application range is wide. The utility model discloses a full hydraulic drive, the tight power in top satisfies the requirement of the biggest initial force, and support cylinder and flexible hydro-cylinder cooperation action satisfy different positions and meet the first demand of strutting.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of the inner sleeve of FIG. 1;
FIG. 3 is a schematic view of the construction of the drawplate of FIG. 1;
fig. 4 is a schematic structural view of the adjusting bolt of fig. 1.
Detailed Description
As shown in fig. 1, the downhole head-on temporary support device of the present embodiment is composed of a fixed sleeve 1, a support cylinder 2, an outer sleeve 3, a telescopic cylinder 4, an inner sleeve 5, a limit pin 6, a pulling plate 7, and an adjusting bolt 8; the number of the supporting oil cylinders 2 is 2, the supporting oil cylinders are symmetrically arranged in a left-right mode, the cylinder body of each supporting oil cylinder 2 is hinged to a connecting lug on the upper side edge of the fixed sleeve 1, a telescopic rod of each supporting oil cylinder 2 is hinged to a connecting lug on the side edge of the outer sleeve 3, a connecting lug at the rear end of the outer sleeve 3 is hinged to a connecting lug at the front end of the fixed sleeve 1, the telescopic rods of the supporting oil cylinders 2 stretch to drive the outer sleeve 3 to achieve vertical 95-degree angle adjustment, and roadway head-facing net hanging supporting and positioning operation is rapidly completed; the telescopic oil cylinder 4 is arranged inside the outer sleeve 3 and the inner sleeve 5, the cylinder body of the telescopic oil cylinder is hinged with the outer sleeve 3, the telescopic rod of the telescopic oil cylinder is hinged with the inner sleeve 5, one end of the inner sleeve 5 is embedded inside the outer sleeve 3 and is matched with the outer sleeve 3 for use, the telescopic rod of the telescopic oil cylinder 4 stretches and retracts to drive the inner sleeve 5 to slide back and forth along the outer sleeve 3, the head-on net protection operation under different empty head-on distances is realized, and the application range of a roadway is wide; the drawing plates 7 are symmetrically nested in the rectangular steel 5-2 at the front end of the inner sleeve 5 in a left-right manner, the drawing plates 7 can be drawn and pulled in due time according to the area requirement of the head-on protective net, and the head-on supporting requirement of various roadway sections can be met; the limiting pins 6 are arranged on the pin holes 5-4 of the inner sleeve 5 symmetrically in left and right directions, the central axes of the limiting pins are overlapped with the axes of the pin holes 5-4, the centers of the limiting pins 6 are connected through limiting holes 7-3 of the drawing plate 7, and the limiting pins 6 play a limiting role in the drawing plate 7 and prevent the drawing plate 7 from falling off from two sides of the rectangular steel 5-2 in the drawing process; the adjusting bolts 8 are arranged symmetrically left and right, the cylindrical external threads 8-2 are tightly connected with the threaded holes 5-3 of the inner sleeve 5, the adjusting bolts 8 can be screwed and loosened according to needs, and when the adjusting bolts 8 are screwed downwards, the cylindrical ends 8-3 are pressed downwards to the bottoms of the pressing grooves 7-4, so that the drawing plates 7 are tightly nested in the rectangular steel at the front end of the inner sleeve 5 and are not loosened; when the adjusting bolt 8 is unscrewed upwards, the cylindrical end 8-3 rises upwards, the pulling operation of the pulling plate 7 can be carried out to meet the requirement of the head-on supporting area, and after the adjustment is finished, the adjusting bolt 8 is screwed again to enable the left and right pulling plates 7 to be stable and not to be separated.
As shown in FIG. 2, the inner sleeve 5 is composed of a telescopic sleeve 5-1, rectangular steel 5-2, a threaded hole 5-3, a pin hole 5-4 and a strut 5-5. The telescopic sleeve 5-1 is arranged at the rear end of the middle part of the rectangular steel 5-2, is nested in the outer sleeve 3 and can slide back and forth along with the extension of the telescopic oil cylinder 4; the rectangular steel 5-2 is arranged at the front end of the inner sleeve 5, the rear side face of the rectangular steel is fixedly connected with the telescopic sleeve 5-1, the front side face of the rectangular steel is provided with a plurality of pillars 5-5, and the pillars 5-5 are convenient to head-on net jacking operation; the number of the threaded holes 5-3 is 2, and the threaded holes are symmetrically arranged on two sides of the upper part of the rectangular steel 5-2 left and right to provide mounting support for the adjusting bolts 8; the pin holes 5-4 are divided into 2 groups, are symmetrically arranged at the two ends of the rectangular steel 5-2 in left and right directions, and are convenient for installing the limiting pins 6.
As shown in FIG. 3, the drawing plate 7 is composed of a hand hole 7-1, a hook 7-2, a limiting hole 7-3, a pressing groove 7-4 and a chamfer 7-5. The hand hole 7-1 is formed in one end of the drawing plate 7, so that a worker can conveniently stretch in and grasp the position by hands to draw and pull the drawing plate 7; the hooks 7-2 are respectively arranged at the inner sides of the hand holes 7-1 at the front side surfaces of the left drawing plate and the right drawing plate 7 and are of L-shaped structures, and the left hook 7-2 and the right hook 7-2 are used in pairs to facilitate head-on net hanging operation; the limiting hole 7-3 is formed in the middle of the drawing plate 7, so that the limiting pin 6 can pass through the limiting hole and limit the drawing plate 7 conveniently; the pressing groove 7-4 is arranged at the upper part of the drawing plate 7, so that the adjusting bolt 8 can be conveniently pressed downwards; the 4 chamfers 7-5 are arranged at the positions of the 4 long edges of the drawing plate 7, so that the drawing plate 7 can be conveniently and smoothly assembled into the rectangular steel 5-2 of the inner sleeve 5.
As shown in FIG. 4, the adjusting bolt 8 is composed of a handle 8-1, a cylindrical external thread 8-2 and a cylindrical end 8-3. The handle 8-1 is arranged at the top of the adjusting bolt 8, and the section of the handle is circular, so that the handle is convenient for an operator to grasp; the cylindrical external thread 8-2 is arranged in the middle of the adjusting bolt 8 and is tightly matched with the threaded hole 5-3 of the inner sleeve 5; the cylindrical end 8-3 is arranged at the tail part of the adjusting bolt 8 and is of a cylindrical structure, and the bottom end is a plane, so that the bottom of the pressing groove 7-4 is conveniently pressed.
Claims (6)
1. A temporary support device for an underground head-on is composed of a fixed sleeve (1), a support oil cylinder (2), an outer sleeve (3), a telescopic oil cylinder (4), an inner sleeve (5), a limiting pin (6), a drawing plate (7) and an adjusting bolt (8); the method is characterized in that: the supporting oil cylinders (2) are symmetrically arranged in a left-right mode, the cylinder body of each supporting oil cylinder (2) is hinged to a connecting lug on the upper side edge of the fixed sleeve (1), a telescopic rod of each supporting oil cylinder (2) is hinged to a connecting lug on the side edge of the outer sleeve (3), a connecting lug on the rear end of the outer sleeve (3) is hinged to a connecting lug on the front end of the fixed sleeve (1), and the telescopic rods of the supporting oil cylinders (2) stretch to drive the outer sleeve (3) to achieve vertical 95-degree angle adjustment; the telescopic oil cylinder (4) is arranged inside the outer sleeve (3) and the inner sleeve (5), the cylinder body of the telescopic oil cylinder is hinged with the outer sleeve (3), the telescopic rod of the telescopic oil cylinder is hinged with the inner sleeve (5), one end of the inner sleeve (5) is embedded inside the outer sleeve (3) and is matched with the outer sleeve (3) for use, and the telescopic rod of the telescopic oil cylinder (4) stretches and drives the inner sleeve (5) to slide back and forth along the outer sleeve (3); the drawing plates (7) are symmetrically nested in the rectangular steel (5-2) at the front end of the inner sleeve (5) in left and right directions, and are 2 in total; the limiting pins (6) are arranged on the pin holes (5-4) of the inner sleeve (5) in a left-right symmetrical mode, the central axes of the limiting pins coincide with the axes of the pin holes (5-4), the centers of the limiting pins (6) are connected through limiting holes (7-3) of the pulling plate (7), the limiting pins (6) play a limiting role in the pulling plate (7), and the pulling plate (7) is prevented from falling off from two sides of the rectangular steel (5-2) in the pulling process; the adjusting bolts (8) are arranged in a left-right symmetrical mode and are arranged in 2 pieces, and the cylindrical external threads (8-2) are fixedly connected with the threaded holes (5-3) of the inner sleeve (5).
2. A downhole head-on temporary support device according to claim 1, wherein: the inner sleeve (5) structurally comprises an expansion sleeve (5-1), rectangular steel (5-2), threaded holes (5-3), pin holes (5-4) and struts (5-5); the telescopic sleeve (5-1) is arranged at the rear end of the middle part of the rectangular steel (5-2), is nested in the outer sleeve (3) and can slide back and forth along with the extension of the telescopic oil cylinder (4); the rectangular steel (5-2) is arranged at the front end of the inner sleeve (5), the rear side surface of the rectangular steel is fixedly connected with the telescopic sleeve (5-1), and the front side surface of the rectangular steel is provided with a plurality of support columns (5-5); the number of the threaded holes (5-3) is 2, and the threaded holes are symmetrically arranged on two sides of the upper part of the rectangular steel (5-2) in left-right direction and provide mounting support for the adjusting bolts (8); the pin holes (5-4) are divided into 2 groups, are symmetrically arranged at the two ends of the rectangular steel (5-2) in left and right, and are convenient for installing the limiting pin (6).
3. A downhole head-on temporary support device according to claim 1, wherein: the drawing plate (7) is structurally composed of a hand hole (7-1), a hook (7-2), a limiting hole (7-3), a pressing groove (7-4) and a chamfer (7-5); the hand hole (7-1) is arranged at one end of the drawing plate (7); the hooks (7-2) are respectively arranged at the inner side positions of the hand holes (7-1) on the front side surfaces of the left and right drawing plates (7); the limiting hole (7-3) is formed in the middle of the drawing plate (7) to facilitate the limiting pin (6) to pass through and limit the drawing plate (7); the pressing groove (7-4) is arranged at the upper part of the drawing plate (7) so as to facilitate downward pressing of the adjusting bolt (8); the number of the chamfers (7-5) is 4, and the chamfers are arranged at the positions of 4 long edges of the drawing plate (7).
4. A downhole head-on temporary support device according to claim 1, wherein: the adjusting bolt (8) consists of a handle (8-1), a cylindrical external thread (8-2) and a cylindrical end (8-3); the handle (8-1) is arranged at the top of the adjusting bolt (8), and the section of the handle is circular; the cylindrical external thread (8-2) is arranged in the middle of the adjusting bolt (8) and is tightly matched with the threaded hole (5-3) of the inner sleeve (5); the cylindrical end (8-3) is arranged at the tail part of the adjusting bolt (8), and the bottom end is a plane, so that the bottom of the pressing groove (7-4) is conveniently pressed.
5. A downhole head-on temporary support device according to claim 3, wherein: the hook (7-2) is of an L-shaped structure.
6. A downhole head-on temporary support device according to claim 4, wherein: the cylindrical end (8-3) is of a cylindrical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120157338.3U CN214533021U (en) | 2021-01-19 | 2021-01-19 | Underground head-on temporary support device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120157338.3U CN214533021U (en) | 2021-01-19 | 2021-01-19 | Underground head-on temporary support device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214533021U true CN214533021U (en) | 2021-10-29 |
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ID=78311535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120157338.3U Active CN214533021U (en) | 2021-01-19 | 2021-01-19 | Underground head-on temporary support device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214533021U (en) |
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2021
- 2021-01-19 CN CN202120157338.3U patent/CN214533021U/en active Active
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