CN211397612U - Rock roadway advanced temporary support - Google Patents
Rock roadway advanced temporary support Download PDFInfo
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- CN211397612U CN211397612U CN201922216797.XU CN201922216797U CN211397612U CN 211397612 U CN211397612 U CN 211397612U CN 201922216797 U CN201922216797 U CN 201922216797U CN 211397612 U CN211397612 U CN 211397612U
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- arc
- support
- shaped
- supports
- connecting plate
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Abstract
In order to solve the problem that temporary support ware intensity among the prior art is not enough, the installation is difficult, the utility model provides a rock gangway is interim support in advance comprises two symmetrical supporting component that set up on the mine cross-section, its characterized in that: the support assembly comprises a hydraulic prop, an n-shaped beam short section, an arc support and an arc connecting plate; wherein, the cylinder body of the hydraulic prop is used as a supporting leg to be fixed with the ground; a piston rod of the hydraulic prop is connected with one end of the n-shaped beam short section; the other end of the n-shaped beam short section is connected with one end of the arc support; the other end of the arc support is detachably connected with the arc support in the other group of support assemblies through an arc connecting plate, and the other end of the arc support is tightly propped against the end parts of the two arc supports to increase the supporting force. The utility model discloses guaranteeing arc support, pi roof beam nipple joint be convenient for under the prerequisite of transportation in the ore deposit cave, installation, connect two arcs through the arc connecting plate and strut, guaranteed the device's support intensity.
Description
Technical Field
The utility model relates to a mining strutting arrangement field especially relates to a rock gangway advanced temporary support.
Background
The mine is a general term for a roadway, a chamber, equipment, a ground building and a structure forming an underground coal mine production system, and an inclined shaft, a vertical shaft, a adit and the like in underground mining of the mine are also sometimes referred to as a mine. With the development of society, the mining technology of mines is also continuously improved, and underground mining refers to a mining mode corresponding to surface mining in coal mining, and compared with surface mining, the underground mining technology has higher difficulty, but most coal mines are buried underground, so the underground mining mode is required to be adopted.
In general, during underground mining, in order to shield tunneling and recovery, cross-layer drilling replaces bedding drilling to serve as a regional outburst prevention measure, the engineering quantity of a bottom plate rock roadway is rapidly increased, 2 bottom plate rock roadways need to be constructed on average on each working face, and single rock roadway entering becomes an important factor for limiting yield.
And the rock roadway advanced temporary support can be quickly built, so that the production requirement is met. In the prior art, for example, in chinese patent 201820143702.9, "temporary support for mine roadway", a technical scheme of the temporary support for roadway is disclosed as follows: "through installing the spud pile, draw wire rope, first fixing bolt and second fixing bolt for the device of being convenient for is fixed and the installation, evenly is provided with the barb thorn on spud pile and the first fixing bolt, makes the installation more firm, is difficult to collapse, and it is better to strut the effect, and the while device is through installing screw rod sleeve and screw rod, makes the holistic height of the adjusting device of being convenient for, is convenient for adjust according to the mine demand of difference".
However, in actual work, the strength requirement of the support frame is high, and the locking bolt which is matched with the screw hole and arranged on the screw rod sleeve adopted in the technical scheme cannot cope with the situation of high pressure in the mine hole; meanwhile, the support frame 7 in the technical scheme is a whole arc-shaped body and is difficult to install in the limited space of the mine opening.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems of insufficient strength and difficult installation of a temporary support in the prior art, the utility model provides a rock roadway advance temporary support which has simple structure, fixes a cylinder body of a small hydraulic prop as a supporting leg with the ground, and connects the hydraulic prop and an arc support through an n-shaped beam short joint; the arc support is divided into two identical sections, so that the arc support is convenient to transport and install. The utility model discloses guaranteeing arc support, pi roof beam nipple joint be convenient for under the prerequisite of transportation in the ore deposit cave, installation, guaranteed the device's support intensity.
The utility model provides a technical scheme that above-mentioned technical problem took is: the utility model provides a rock gangway advanced temporary support comprises two symmetrical support assemblies that set up on the mine cross-section, and its technical scheme lies in: the support assembly comprises a hydraulic prop, an n-shaped beam short section, an arc support and an arc connecting plate; wherein, the cylinder body of the hydraulic prop is used as a supporting leg to be fixed with the ground; a piston rod of the hydraulic prop is connected with one end of the n-shaped beam short section; the other end of the n-shaped beam short section is connected with one end of the arc support; the other end of the arc support is detachably connected with the arc support in the other group of support assemblies through an arc connecting plate, and the other end of the arc support is tightly propped against the end parts of the two arc supports to increase the supporting force.
The utility model discloses the beneficial effect who brings does: the utility model has simple structure, fixes the cylinder body of the hydraulic prop with the ground as a supporting leg, and connects the hydraulic prop with the arc support through the n-shaped beam short joint; the arc support is divided into two identical sections, so that the arc support is convenient to transport and install. The utility model discloses guaranteeing arc support, pi roof beam nipple joint be convenient for under the prerequisite of transportation in the ore deposit cave, installation, connect two arcs through the arc connecting plate and strut, guaranteed the device's support intensity.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of E in fig. 1, corresponding to an embodiment.
Fig. 3 is an enlarged view of fig. 1 at E, corresponding to another embodiment.
Fig. 4 is a schematic structural view of the tightening part in fig. 3.
Fig. 5 is a schematic view of the operation of the tightening part in fig. 4.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
As shown in fig. 1, the rock roadway advance temporary support is composed of two support assemblies symmetrically arranged on a mine cross section, and the technical scheme is as follows: the support assembly comprises a hydraulic prop 1, an n-shaped beam short section 2, an arc support 3 and an arc connecting plate 4; wherein, the cylinder body of the hydraulic prop 1 is fixed with the ground as a supporting leg; a piston rod of the hydraulic prop 1 is connected with one end of the n-shaped beam short section 2; the other end of the n-shaped beam short section 2 is connected with one end of an arc support 3; in order to ensure the supporting strength, the other ends of the arc supports 3 are detachably connected with the arc supports 3 in another group of supporting assemblies through arc connecting plates 4, and the other ends of the arc supports 3 are tightly pressed to increase the supporting force.
Specific example I: as shown in fig. 2, the arc-shaped connecting plate 4 comprises an arc-shaped plate body 401 and threaded through holes 402 arranged at two sides of the arc-shaped plate body; threaded blind holes corresponding to the threaded through holes 402 are formed in the arc supports 3, and the arc plate body 401 and the arc supports 3 are fixed together through bolts 402A; the end part of one of the arc supports 3 is provided with a bulge; the end part of the other arc support 3 is correspondingly provided with a groove.
In specific practice, because the production technology problem, the arc plate body 401 can't reach the exact same when the preparation, so, two arc after the installation strut 3 when the butt joint, because the interference of factors such as mine cave outer wall, the problem that can't the butt joint appears probably, influences support intensity.
Specific example II: as shown in fig. 3 to 4, in order to solve the above problem, the arc-shaped connecting plate 4 includes an arc-shaped plate body 401, threaded through holes 402 disposed at two sides of the arc-shaped plate body 401, and a tightening portion 403 disposed at the middle of the arc-shaped plate body 401 for tightening two arc supports 3; the arc support 3 is provided with threaded blind holes corresponding to the threaded through holes 402, and the arc plate body 401 and the arc support 3 are fixed together through bolts 402A.
The tightening part 403 comprises an elliptical plate 4031 for tightening the two arc supports 3, a T-shaped part 4032 and a positive and negative nut 4033; wherein the elliptical plate 4031 is connected with the horizontal plane of the T-shaped part 4032; the T-shaped part 4032 is provided with a positive nut 4033 after passing through a through hole 4031A arranged in the middle of the elliptical plate 4031; wherein, the circumferential surface of the horizontal section of the T-shaped part 4032 is arranged to be hexagonal for adjusting the position of the elliptical plate 4031, so as to simultaneously tighten the two arc supports 3, as shown in fig. 5. The elliptical plate 4031 can be compatible with different conditions, has a wide application range for the distance between the two arc supports 3, and can deal with complex conditions in a mine hole.
When in use, a hydraulic prop 1, an n-shaped beam short section 2 and an arc support 3 are sequentially arranged through a tool such as a spanner; then the elliptical plate 4031 and the T-shaped part 4032 are preassembled on the arc plate body 401 through the positive and negative nuts 4033; the arc plate body 401 is pre-installed between the two arc supports 3 through the threaded through-hole 402. The oval plate 4031 on the T-shaped portion 4032 is then adjusted by means of a tool, such as a wrench, through the hexagon until the two arc supports 3 are simultaneously tightened. And then, sequentially tightening and fixing the bolts and the positive and negative nuts 4033 between the arc-shaped plate body 401 and the arc-shaped support 3.
It is to be understood that: the forward and reverse nuts 4033 can effectively prevent the elliptical plate 4031 from rotating due to external forces.
It is to be understood that: the arc support 3 is provided with a reinforcing rib 3A to increase the strength.
It is to be understood that: the positive and negative nuts 4033 are a positive screw nut and a negative screw nut for preventing loosening.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and all modifications, equivalents, improvements and the like that are made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. The utility model provides a rock gangway advanced temporary support comprises two symmetrical support assemblies that set up on the mine cross-section, its characterized in that: the support assembly comprises a hydraulic prop (1), an n-shaped beam short section (2), an arc support (3) and an arc connecting plate (4);
wherein, the cylinder body of the hydraulic prop (1) is used as a supporting leg to be fixed with the ground; a piston rod of the hydraulic prop (1) is connected with one end of the n-shaped beam short joint (2); the other end of the n-shaped beam short section (2) is connected with one end of an arc support (3); the other end of the arc support (3) is detachably connected with the arc support (3) in the other group of support assemblies through an arc connecting plate (4) and is used for enabling the end parts of the two arc supports (3) to be tightly propped to increase the supporting force.
2. The rock roadway lead temporary support of claim 1, wherein: the arc-shaped connecting plate (4) comprises an arc-shaped plate body (401) and threaded through holes (402) arranged on two sides of the arc-shaped plate body; the arc supports (3) are provided with threaded blind holes corresponding to the threaded through holes (402).
3. The rock roadway lead temporary support of claim 2, wherein: a bulge is arranged at the end part of one of the arc supports (3); the end part of the other arc support (3) is correspondingly provided with a groove.
4. The rock roadway lead temporary support of claim 1, wherein: the arc-shaped connecting plate (4) comprises an arc-shaped plate body (401), threaded through holes (402) arranged at two sides of the arc-shaped plate body (401) and a tightening part (403) arranged in the middle of the arc-shaped plate body (401) and used for tightly tightening the two arc-shaped supports (3); the arc supports (3) are provided with threaded blind holes corresponding to the threaded through holes (402).
5. A rock roadway lead temporary support as claimed in claim 4, wherein: the tightening part (403) comprises an elliptical plate (4031) for tightening the two arc supports (3), a T-shaped part (4032) and a positive and negative nut (4033);
wherein the elliptic plate (4031) is connected with the horizontal plane of the T-shaped part (4032); the T-shaped part (4032) is provided with a positive nut and a negative nut (4033) after passing through a through hole (4031A) arranged in the middle of the elliptic plate (4031); wherein, the circumferential surface of the horizontal section of the T-shaped part (4032) is arranged to be hexagonal and used for adjusting the position of the elliptical plate (4031) so as to simultaneously jack the two arc supports (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922216797.XU CN211397612U (en) | 2019-12-12 | 2019-12-12 | Rock roadway advanced temporary support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922216797.XU CN211397612U (en) | 2019-12-12 | 2019-12-12 | Rock roadway advanced temporary support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211397612U true CN211397612U (en) | 2020-09-01 |
Family
ID=72208501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922216797.XU Expired - Fee Related CN211397612U (en) | 2019-12-12 | 2019-12-12 | Rock roadway advanced temporary support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211397612U (en) |
-
2019
- 2019-12-12 CN CN201922216797.XU patent/CN211397612U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200901 Termination date: 20201212 |
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| CF01 | Termination of patent right due to non-payment of annual fee |