CN205277452U - Go up a hill in pit to tunnel and prevent blowing out shaking device of empting support in colliery - Google Patents
Go up a hill in pit to tunnel and prevent blowing out shaking device of empting support in colliery Download PDFInfo
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- CN205277452U CN205277452U CN201620012822.6U CN201620012822U CN205277452U CN 205277452 U CN205277452 U CN 205277452U CN 201620012822 U CN201620012822 U CN 201620012822U CN 205277452 U CN205277452 U CN 205277452U
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- skeleton
- hill
- support
- gear skeleton
- working face
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Abstract
The utility model discloses a go up a hill in pit to tunnel and prevent blowing out shaking device of empting support in colliery, including many pin fender skeleton, grade beam subassembly and bearing diagonal pole, keep off the skeleton and install at the top of the U type support that is close to the coal seam working face, adjacent the end connection who keeps off the skeleton, the grade beam subassembly include two rail and two brackets, two brackets install respectively and be equipped with two footing departments of the U type support that keeps off the skeleton, two rail are installed respectively in two brackets, ball pivot and the prop up U type leg joint that keep off skeleton tail end the farthest away apart from the coal seam working face are passed through to the upper end of bearing diagonal pole, and the lower extreme of bearing diagonal pole supports on the bottom plate of tunnel. The utility model discloses be close to a few pin U type support tops of coal seam working face through keeping off a frame connection, footing department connects into one wholly through the grade beam subassembly, sets up the bearing diagonal pole on the farthest away apart from the coal seam working face U type support that keeps off the skeleton tail end, has strengthened the antidumping ability of U type support, provides the safety guarantee for the headwork face.
Description
Technical field
The utility model belongs to shaft sinking and drifting field, colliery, particularly relates to a kind of underground coal mine and goes up a hill that driving is anti-blows out vibrations and topple over the device of support.
Background technology
Underground coal mine is gone up a hill, and tunneling construction often more adopts blasting method construction operation, in order to drilling construction, the coal that falls (rock), loads and transports coal (rock) conveniently, and tunneling construction of going up a hill is better than tunneling construction. But go up a hill tunneling construction time, often because blow out vibrations and cause supporting good support tilt with collapse. Complicacy, the chronicity of danger and roadway repair is brought to excavation work construction. In order to improve tunneling construction of going up a hill blow out vibrations time support stability, underground coal mine also adopted the antidumping structure facility of multiple different types, but produce little effect, especially on big cross section in mountain gun pick construction process, it is big that the stability of support of not only going up a hill is subject to blowing out vibration influence, and brings out coal and gas prominent and top coal (rock) accident probability that inclines also increases. The discarded rail that the utility model device is intended to utilize colliery conventional is basic material, a gear skeleton of a processing and fabricating band arc type protrusion-dispelling baffle plate, and it being combined in the mode fixing contact grade beam at the bottom of support leg, the combination unit forming a high strength and rigidity improves its resistance to capsizing and guarantees the security of tunneling construction.
Summary of the invention
In order to solve the problems of the technologies described above, the utility model provides a kind of structure simple, easy to operate underground coal mine is gone up a hill, and driving is anti-blows out vibrations and topples over the device of support, the accident probability that it can reduce coal and gas prominent and top coal (rock) inclines and, and support stability can be made reliable.
The technical solution adopted in the utility model is: a kind of underground coal mine is gone up a hill, and driving is anti-blows out vibrations and topple over the device of support, comprise many Pin prop up gear skeleton, beam assembly and inclined support bar; Propping up the top that gear skeleton is arranged on the U-shaped support near working face of coal seam, the end of an adjacent gear skeleton utilizes bolt to connect; Described ground beam assembly comprises two rails and two brackets, and two described brackets are arranged on respectively and are provided with a two footing place of the U-shaped support of gear skeleton, and two rails is arranged in two brackets respectively; The upper end of inclined support bar is connected by the U-shaped support propping up gear skeleton tail end that ball hinge and distance working face of coal seam are the farthest away, and the lower end of inclined support bar is supported on roadway floor.
Above-mentioned underground coal mine is gone up a hill, and driving is anti-blows out in the device shaking and toppling over support, and a described gear skeleton comprises the protrusion-dispelling baffle plate and many longerons that cross section is arc; Described longeron is made up of joist steel, and longeron is arranged on the cancave cambered surface of protrusion-dispelling baffle plate along the axis of protrusion-dispelling baffle plate; The end of protrusion-dispelling baffle plate is provided with junction steel plate, and junction steel plate is provided with threaded hole near longeron place; An adjacent gear skeleton is bolted.
Above-mentioned underground coal mine is gone up a hill, and driving is anti-blows out vibrations and topples in the device of support, and the length of the joist steel that described longeron adopts is 1.8m, be positioned at protrusion-dispelling baffle plate top longeron two ends in the middle part of be respectively equipped with groove.
Above-mentioned underground coal mine is gone up a hill, and driving is anti-blows out in the device shaking and toppling over support, and described rail is formed by connecting by the lightweight joist steel of 15kg/m.
Above-mentioned underground coal mine is gone up a hill, and driving is anti-blows out in the device shaking and toppling over support, and the lower end of described inclined support bar is provided with skate, is supported on roadway floor by skate.
Compared with prior art, the beneficial effects of the utility model are:
It is (1) of the present utility model that near the working face of coal seam U-shaped cradle top of a few Pin, by propping up, a gear skeleton connects, footing place is connected by ground beam assembly, like this, one is connected into overall near the working face of coal seam U-shaped support of a few Pin, and, the U-shaped support propping up gear skeleton tail end that distance working face of coal seam is the farthest away arranges the component that inclined support bar carries the utility model vergence direction, enhances the resistance to capsizing of U-shaped support, provide safety control to driving working face.
(2) the utility model allows and goes up a hill in tunneling process, connected by a gear skeleton for band arc type protrusion-dispelling baffle plate near a few Pin cradle top of working face of coal seam, the utility model is had stop that top coal (rock) layer inclines and or stop the function of coal and gas prominent, greatly reduce the probability of the coal and gas prominent accident that driving of going up a hill brings out, strengthening its opposing disaster ability, type becomes safe and reliable construction environment.
(3) the utility model also have structure simple, easy to operate advantage is installed.
Accompanying drawing explanation
Fig. 1 is vertical view of the present utility model.
Fig. 2 is A A sectional view in Fig. 1.
Fig. 3 is B B sectional view in Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further details.
Underground coal mine go up a hill 1 tunneling process in often by borehole 14 blast firing of powder charge after avalanche coal (rock) layer 15, then utilize U-shaped support 2 that roadway surrounding rock is carried out supporting, go up a hill 2 for stopping that fragmented rock body pours in, then between U-shaped support and country rock, lay some gear twigs of the chaste tree 24. Go up a hill be mainly used to install rotary conveyor 25 and provide belt transport, it is also possible to installation sleeper 26 and track 27 and provide mine car to transport.
As Figure 1-3, the utility model comprise 2-3 Pin prop up gear skeleton 6, beam assembly 20 and inclined support bar 3; Propping up the top that gear skeleton 6 is arranged on the U-shaped support 2 near working face of coal seam, the end of an adjacent gear skeleton 6 connects with bolt 23. A described gear skeleton 6 comprises the protrusion-dispelling baffle plate and three longerons that cross section is arc; Three longerons comprise the back timber 7 being positioned at protrusion-dispelling baffle plate top and the curb girder 9 being positioned at protrusion-dispelling baffle plate both sides. Described longeron is made up of joist steel, and longeron is arranged on the cancave cambered surface of protrusion-dispelling baffle plate along the axis of protrusion-dispelling baffle plate; The two ends of protrusion-dispelling baffle plate are respectively equipped with junction steel plate 4; Junction steel plate is provided with bolt hole near longeron place, for being connected by bolt 23 by an adjacent gear skeleton 6.
In order to the installation of convenient gear skeleton 6, in the middle part of the two ends of back timber 7, it is provided with groove 13, convenient before a gear skeleton 6 is unfixing, tangle by the hook on a U-shaped support 2 of gear skeleton 6 rear and front end, facilitate the curb girder 9 of both sides to be fixedly connected with U-shaped support.
Described ground beam assembly comprises two rails and two groups of brackets, and two groups of described brackets are arranged on respectively and are provided with a two footing place of the U-shaped support of gear skeleton, the multiple U-shaped support near working face of coal seam are connected into one overall; Two rails is arranged in two brackets respectively. Described rail is formed by connecting by the lightweight joist steel of 15kg/m. The upper end of described inclined support bar is connected by the U-shaped support propping up gear skeleton tail end that ball hinge and distance working face of coal seam are the farthest away, the lower end of inclined support bar 3 is installed with skate 21, it is supported on roadway floor by skate 21, undertakes the component of vergence direction of the present utility model. The inclined support bar 3 lightweight joist steel of 15kg/m is made, and its length calculates according to bord-up design height and obtains; The skate 21 of inclined support bar 3 times ends increases the supporting capacity of roadway floor.
Constructional method of the present utility model, comprising:
Ground procedure of processing
Step 1: the top of the 2 of U support is fixedly mounted grade beam analog bracket 10 in advance on ground, curb girder analog bracket 19 and back timber hook 17, and at local pressure larger part, welding one is fixedly connected with steel plate 10.
Step 2: according to go up a hill 1 supporting design pitch requirement, design every Pin prop up gear skeleton 6 length, if the spacing of adjacent two U-shaped supports 2 is 600mm, it is determined that gear skeleton 6 processing length be 1.8m. After processing length is determined, select the lightweight joist steel of 15kg/m as longeron, weld the thick junction steel plate of a 10mm 4 respectively at two ends, and on junction steel plate 4 near the longeron Processing Criterion bolt connection bolt hole 22, facilitate the connection between adjacent gear skeleton 6. At the convenient groove 13 tangled of middle part processing one at its back timber 7 two ends.
Step 3: the length calculating inclined support bar 3 according to design height of going up a hill, the lightweight rail selecting mining 15kg/m is basic material, processes a ball hinge 5 at its upper end, and lower end connects skate 21.
Step 4: the length of ground beam assembly 20 can be consistent with a length of gear skeleton 6, also can be inconsistent. At the bolt hole 22 that the two ends processing bolt of ground beam assembly 20 connects.
Step 5: according to design requirements, by complementary components such as the enough supporting activity formula screw rods 11 of standardized component requirement processing and fabricating, set screw 12, joint bolt 22, activity formula brackets 18.
Down-hole installation steps
Step 1: be placed on grade beam analog bracket 10 by process two ground beam assemblies 20, after then the activity formula bolt 12 on the U-shaped support of every Pin being turned to fixed position, tightens trip bolt and is linked into an integrated entity by the post leg of ground beam assembly 20 with U-shaped support.
Step 2: utilize hook 17 to hang the two ends of a gear skeleton 6 good for processing and fabricating in the top of U-shaped support, hang and be hooked in a groove 13 at gear skeleton back timber 7 two ends; The curb girder 9 propping up gear skeleton both sides is put on analog bracket 19.
Step 3: utilize U-shaped snap ring to be blocked with U-shaped support 2 by a back timber 7 for gear skeleton 6; Activity formula bolt and trip bolt is utilized to connect into an entirety by organic to curb girder 9 and support 2. 1st Pin props up gear skeleton and grade beam installation.
Step 4: complete the installation that the 2nd, the 3rd Pin props up gear skeleton by step 1-3.
Step 5: by the inclined support bar 3 of band semisphere hinged-support 5 good for processing and fabricating, is fixed on the 3rd Pin and props up on a U-shaped support 2 of Pin of gear skeleton tail end connection, and lower end puts on skate 21, is placed on more solid roadway floor.
Step 6: when driving of going up a hill reaches the length distance that a Pin props up gear skeleton 6, unclamp the trip bolt 12 of each contact grade beam, moves grade beam 20 to foremost, being undertaken contacting fixing again of grade beam 20 by step 1.
Step 7: the trip bolt 12 unclamping gear skeleton 6 and activity formula bracket 18 and be fixedly connected with bolt 23, links up with from back timber and takes out the 3rd Pin 17 and prop up gear skeleton 6, move and again hang up near working face. Fix again by step 2 and step 3.
Step 8: the inclined support bar 3 of band semisphere hinged-support 5 that will just now unclamp, retightens and props up on a U-shaped support 2 of Pin that gear skeleton tail end connects at new 3rd Pin.
Step 9: so move in circles, until driving of going up a hill completes.
Dismounting step
Step 1: the inclined support bar 3 of dribbling hinge 5 is disassembled.
Step 2: gear skeleton 6 will be propped up by the order of the 3rd, the 2nd, the 1st Pin and disassemble from " U " type support 2.
Step 3: 3rd, the order of the 2nd, the 1st Pin will contact grade beam 20 and disassemble from " U " type support 2.
Step 4: by the analog bracket 10,19 on support " U " type support 2 and hook 17 and other dead joint members disassemble.
Claims (5)
1. underground coal mine is gone up a hill, and driving is anti-blows out vibrations and topples over the device of support, it is characterized in that: comprise many Pin prop up gear skeleton, beam assembly and inclined support bar; Prop up the top that gear skeleton is arranged on the U-shaped support near working face of coal seam, the end connection of an adjacent gear skeleton; Described ground beam assembly comprises two rails and two brackets, and two described brackets are arranged on respectively and are provided with a two footing place of the U-shaped support of gear skeleton, and two rails is arranged in two brackets respectively; The upper end of inclined support bar is connected by the U-shaped support propping up gear skeleton tail end that ball hinge and distance working face of coal seam are the farthest away, and the lower end of inclined support bar is supported on roadway floor.
2. underground coal mine according to claim 1 is gone up a hill and is tunneled the anti-device shaking and toppling over support of blowing out, and it is characterized in that: a described gear skeleton comprises the protrusion-dispelling baffle plate and many longerons that cross section is arc; Described longeron is made up of joist steel, and longeron is arranged on the cancave cambered surface of protrusion-dispelling baffle plate along the axis of protrusion-dispelling baffle plate; The end of protrusion-dispelling baffle plate is provided with junction steel plate, and junction steel plate is provided with threaded hole near longeron place; An adjacent gear skeleton is bolted.
3. underground coal mine according to claim 2 is gone up a hill, and driving is anti-blows out vibrations and topples over the device of support, it is characterized in that: the length of the joist steel that described longeron adopts is 1.8m, be positioned at protrusion-dispelling baffle plate top longeron two ends in the middle part of be respectively equipped with groove.
4. underground coal mine according to claim 1 is gone up a hill and is tunneled the anti-device shaking and toppling over support of blowing out, and it is characterized in that: described rail is formed by connecting by the lightweight joist steel of 15kg/m.
5. underground coal mine according to claim 1 is gone up a hill and is tunneled the anti-device shaking and toppling over support of blowing out, and it is characterized in that: the lower end of described inclined support bar is provided with skate, is supported on roadway floor by skate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620012822.6U CN205277452U (en) | 2016-01-08 | 2016-01-08 | Go up a hill in pit to tunnel and prevent blowing out shaking device of empting support in colliery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620012822.6U CN205277452U (en) | 2016-01-08 | 2016-01-08 | Go up a hill in pit to tunnel and prevent blowing out shaking device of empting support in colliery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205277452U true CN205277452U (en) | 2016-06-01 |
Family
ID=56062035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620012822.6U Withdrawn - After Issue CN205277452U (en) | 2016-01-08 | 2016-01-08 | Go up a hill in pit to tunnel and prevent blowing out shaking device of empting support in colliery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205277452U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464684A (en) * | 2016-01-08 | 2016-04-06 | 湖南科技大学 | Device for preventing support toppling caused by blasting vibration for coal mine underground raise advance |
-
2016
- 2016-01-08 CN CN201620012822.6U patent/CN205277452U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464684A (en) * | 2016-01-08 | 2016-04-06 | 湖南科技大学 | Device for preventing support toppling caused by blasting vibration for coal mine underground raise advance |
| CN105464684B (en) * | 2016-01-08 | 2017-11-17 | 湖南科技大学 | A kind of anti-device blown out vibrations and topple over support of underground coal mine raise advance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160601 Effective date of abandoning: 20171117 |