CN214091741U - Tunnel inner tube canopy support hole construction equipment - Google Patents
Tunnel inner tube canopy support hole construction equipment Download PDFInfo
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- CN214091741U CN214091741U CN202120090942.9U CN202120090942U CN214091741U CN 214091741 U CN214091741 U CN 214091741U CN 202120090942 U CN202120090942 U CN 202120090942U CN 214091741 U CN214091741 U CN 214091741U
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- drilling machine
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- anchor rod
- jaw
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Abstract
The utility model relates to a tunnel construction technical field specifically is tunnel inner tube canopy support hole construction equipment. The device comprises a drilling machine body, wherein a drilling feeding device and a clamp device are fixedly arranged on the drilling machine body; the drilling feeding device comprises a drilling machine power head, and the front end of the drilling machine power head is fixedly connected with a flange adapter, an impactor, a drill shank, an anchor rod and a drill bit in sequence; the clamp device comprises an extension arm frame fixed at the front end of the drilling machine body, a clamp is fixedly mounted above the extension arm frame, a jaw is formed in the clamp, clamping devices are fixedly mounted on two sides of the jaw, and the anchor rod penetrates through the clamp through the jaw. The utility model provides a pair of tunnel inner tube canopy supporting hole construction equipment, easy operation, construction precision are high, compare in the obvious improvement efficiency of construction of conventional pipe canopy, have saved equipment and cost of labor greatly, have solved at IV, V level country rock, are difficult to the pore-forming, block the difficult problem of being under the geological conditions such as brill easily.
Description
Technical Field
The utility model relates to a tunnel construction technical field specifically is tunnel inner tube canopy support hole construction equipment.
Background
The tunnel pipe shed support needs to drill holes on tunnel surrounding rocks, and common construction methods include a pipe ramming method, a pipe jacking method, a drilling method and the like, but the drilling method is the most common hole forming method at present. Along with the specialization of drilling equipment, a special drilling machine for a pipe shed is produced, but the drilling of the pipe shed is nearly horizontal drilling, the property of the drilling is different from that of an exploration drilling hole, the precision requirement on the drilling direction (spatial position) is high, once the final hole measurement shows that the hole is inclined or exceeds the design allowable deviation, the drilling of adjacent steel pipes is hindered, the shapes of holes are uneven, the supporting effect is poor and the like, the construction quantity of the support holes before exceeding the inner pipe shed of the tunnel is large, the construction efficiency of the support holes of the conventional artificial pipe shed is low, the cost is high, the phenomena that the holes are difficult to form and the drill is easy to block are often caused.
SUMMERY OF THE UTILITY MODEL
For solving above-mentioned conventional artifical pipe canopy and strut hole efficiency of construction low, with high costs, often appear being difficult to the pore-forming, the problem of easy card brill, the utility model provides a tunnel inner tube canopy supports hole construction equipment, easy operation, construction precision height have saved equipment and cost of labor greatly.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: a tunnel inner shed supporting hole construction device comprises a drilling machine body, wherein a drilling hole feeding device and a clamp device are fixedly arranged on the drilling machine body; the drilling feeding device comprises a drilling machine power head, and the front end of the drilling machine power head is fixedly connected with a flange adapter, an impactor, a drill shank, an anchor rod and a drill bit in sequence; the clamp device comprises an extension arm frame fixed at the front end of the drilling machine body, a clamp is fixedly mounted above the extension arm frame, a jaw is formed in the clamp, clamping devices are fixedly mounted on two sides of the jaw, and the anchor rod penetrates through the clamp through the jaw.
Furthermore, a toothed plate is arranged at the front end of the lengthening arm support.
Furthermore, the number of the toothed plates is 2-5.
Further, the anchor rods are connected in a plurality of ways, and the joints are fixedly connected through anchor rod connecting sleeve threads.
Furthermore, the clamping device is a hydraulic oil cylinder, the hydraulic oil cylinder is communicated with a hydraulic oil pipe, a balance valve is arranged on the hydraulic oil pipe, and the balance valve is fixedly installed on the lengthening arm support.
Furthermore, a jaw pressing block is fixedly installed at the driving end of the hydraulic oil cylinder.
Furthermore, the hydraulic oil cylinder is fixedly arranged on two sides of the upper jaw of the clamp through bolts.
Furthermore, the clamping device is an electric cylinder, the electric cylinder is connected with a control switch, and a jaw pressing block is fixedly mounted at the driving end of the electric cylinder.
Furthermore, one end of the flange adapter is connected with a flange of the drilling machine power head, the other end of the flange adapter is connected with the impacter in a threaded mode, the impacter is connected with the drill bit tail in a threaded mode, the drill bit tail is connected with the anchor rod in a threaded mode, and the anchor rod is connected with the drill bit in a threaded mode.
Furthermore, the lengthening arm support is fixedly arranged at the front end of the drilling machine body through a bolt, and the clamp is fixedly arranged above the lengthening arm support through a bolt.
The utility model discloses a technological effect and advantage: the utility model provides a tunnel inner tube canopy support hole construction equipment, easy operation, construction accuracy are high, compare the obvious improvement efficiency of construction of conventional pipe canopy, have saved equipment and cost of labor greatly, have solved in IV, V level country rock, difficult to pore-forming, difficult problem of constructing under geological conditions such as easy sticking of drill etc.; the power head of the drilling machine provides power for the drill bit, so that the whole drilling feeding device runs, when the anchor rod needs to be lengthened, the clamp device fixes the anchor rod, the power head of the reverse drilling machine separates the anchor rod from the drill shank, and the two anchor rods are connected through the anchor rod connecting sleeve, so that the purpose of lengthening the anchor rod is achieved; the problem that the front end free end of the anchor rod is long, large in deflection and difficult to position is well solved by the lengthening arm support, the anchor rod can be guaranteed to be accurately positioned, the toothed plate is arranged at the front end of the lengthening arm support and fixed on surrounding rock through the toothed plate, stability of the device is improved, and drilling is more stable.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the clamp device of the present invention;
fig. 3 is a schematic structural view of the drilling and feeding device of the present invention;
wherein: the drilling machine comprises a 1-hydraulic oil pipe, a 2-balance valve, a 3-hydraulic oil cylinder, a 4-jaw, a 5-extension arm support, a 6-drilling machine power head, a 7-flange adapter, an 8-impactor, a 9-shank, a 10-anchor rod connecting sleeve, an 11-anchor rod, a 12-drill bit, a 13-surrounding rock, a 14-drilling machine body, a 15-clamp and a 16-toothed plate.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Example 1:
as shown in fig. 1-3, a construction device for supporting holes of tunnel inner sheds comprises a drilling machine body 14, wherein the drilling machine is a CJQX-100A multifunctional drilling machine, and a drilling feeding device and a clamp device are fixedly arranged on the drilling machine body 14; the drilling feeding device comprises a drilling machine power head 6, the front end of the drilling machine power head 6 is fixedly connected with a flange adapter 7, an impactor 8, a drill shank 9, an anchor rod 11 and a drill bit 12 in sequence, one end of the flange adapter 7 is in flange connection with the drilling machine power head 6, the other end of the flange adapter 7 is in threaded connection with the impactor 8, the impactor 8 is in threaded connection with the drill shank 9, the drill shank 9 is in threaded connection with the anchor rod 11, the anchor rod 11 is in threaded connection with the drill bit 12, and when a plurality of anchor rods 11 are connected, the connection positions are fixedly connected through the threads of an anchor rod connecting sleeve 10; the clamp device comprises a lengthening arm support 5 fixed at the front end of an arm support of a drilling machine body 14, the lengthening arm support 5 is fixedly installed at the front end of the drilling machine body 14 through bolts, two toothed plates 16 are arranged at the front end of the lengthening arm support 5, a clamp 15 is fixedly installed above the lengthening arm support 5 through bolts, a jaw 4 is arranged on the clamp 15, clamping devices are fixedly installed on two sides of the jaw 4, each clamping device is a hydraulic oil cylinder 3, each hydraulic oil cylinder 3 is a single-piston double-acting hydraulic oil cylinder, each hydraulic oil cylinder 3 is fixedly installed on two sides of the jaw 4 on the clamp 15 through bolts, a jaw pressing block is fixedly installed at the driving end of each hydraulic oil cylinder 3, each hydraulic oil cylinder 3 is communicated with a hydraulic oil pipe 1, each hydraulic oil pipe 1 is provided with a balance valve 2, each balance valve 2 is fixedly installed on the lengthening arm support 5, and an anchor rod 11 penetrates through the clamp 15 through the corresponding jaw 4.
The concrete construction process comprises the following steps:
after the pipe shed supporting hole construction device is assembled, a toothed plate 16 at the front end of the lengthening arm support 5 is abutted against a rock stratum 13 below the mark position of the pipe shed supporting hole, a drilling machine runs, a power head 6 of the drilling machine rotates forwards to provide power to drive a drill bit 12 on an anchor rod 11 to rotate, the whole pipe shed supporting hole construction device works, and punching operation is carried out in the rock stratum 13;
when the anchor rod 11 needs to be lengthened, the anchor rod 11 is firmly clamped through the clamp device 8, the handheld multi-way valve is pushed forwards to supply hydraulic oil, the hydraulic oil reaches the balance valve 2 through the hydraulic oil pipe 1 and is distributed to the hydraulic oil cylinders 3 on two sides through the hydraulic oil pipe 1, the hydraulic oil cylinders 3 push the jaw pressing block in the jaws 4 to generate clamping force after acting, the anchor rod 11 is fixed, and the anchor rod 11 is separated from the drill rod tail 9 by reversing the drilling machine power head 6; then, the two anchor rods 11 are fixedly connected by using the anchor rod connecting sleeve 10, and after the connection is finished, the lengthened anchor rod 11 is fixedly connected with the drill shank 9 again to achieve the purpose of lengthening the anchor rod 11; finally, the hydraulic oil cylinder 3 of the clamp 8 is released, and the anchor rod 11 continues to drill.
Example 2:
When the anchor rod 11 needs to be lengthened, the electric cylinder is controlled through the control switch, the jaw pressing block on the electric cylinder clamps and fixes the anchor rod 11, and the power head 6 of the reverse drilling machine separates the anchor rod 11 from the drill shank 9; then, the two anchor rods 11 are fixedly connected by using the anchor rod connecting sleeve 10, and after the connection is finished, the lengthened anchor rod 11 is fixedly connected with the drill shank 9 again to achieve the purpose of lengthening the anchor rod 11; and finally, the electric cylinder of the clamp 8 is controlled to be loosened through the control switch, and the anchor rod 11 continues to drill. The clamping device here can also be a manual clamping device or another device that can perform this function.
The utility model discloses simple structure, convenient operation, facilitate promotion.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (10)
1. The utility model provides a tunnel inner tube canopy support hole construction equipment which characterized in that: the drilling machine comprises a drilling machine body, wherein a drilling feeding device and a clamp device are fixedly arranged on the drilling machine body; the drilling feeding device comprises a drilling machine power head, and the front end of the drilling machine power head is fixedly connected with a flange adapter, an impactor, a drill shank, an anchor rod and a drill bit in sequence; the clamp device comprises an extension arm frame fixed at the front end of the drilling machine body, a clamp is fixedly mounted above the extension arm frame, a jaw is formed in the clamp, clamping devices are fixedly mounted on two sides of the jaw, and the anchor rod penetrates through the clamp through the jaw.
2. The construction device of the supporting hole of the tunnel inner shed as claimed in claim 1, wherein: a toothed plate is arranged at the front end of the lengthening arm support.
3. The construction device of the supporting hole of the tunnel inner shed as claimed in claim 2, wherein: the number of the toothed plates is 2-5.
4. The construction device of the supporting hole of the tunnel inner shed as claimed in claim 1, wherein: the anchor rods are connected in a plurality of ways, and the joints are fixedly connected through the threads of the anchor rod connecting sleeves.
5. The construction device of the supporting hole of the tunnel inner shed as claimed in claim 1, wherein: the clamping device is a hydraulic oil cylinder, the hydraulic oil cylinder is communicated with a hydraulic oil pipe, a balance valve is arranged on the hydraulic oil pipe, and the balance valve is fixedly installed on the extension arm support.
6. The construction device of the supporting hole of the tunnel inner shed as claimed in claim 5, wherein: and a driving end of the hydraulic oil cylinder is fixedly provided with a jaw pressing block.
7. The construction device of the supporting hole of the tunnel inner shed as claimed in claim 5, wherein: the hydraulic oil cylinder is fixedly arranged on two sides of the upper jaw of the clamp through bolts.
8. The construction device of the supporting hole of the tunnel inner shed as claimed in claim 1, wherein: the clamping device is an electric cylinder, the electric cylinder is connected with a control switch, and a jaw pressing block is fixedly mounted at the driving end of the electric cylinder.
9. The construction device of the supporting hole of the tunnel inner shed as claimed in claim 1, wherein: one end of the flange adapter is connected with a drilling machine power head flange, the other end of the flange adapter is connected with an impactor in a threaded mode, the impactor is connected with a drill bit shank in a threaded mode, the drill bit shank is connected with an anchor rod in a threaded mode, and the anchor rod is connected with a drill bit in a threaded mode.
10. The construction device of the supporting hole of the tunnel inner shed as claimed in claim 1, wherein: the extension arm support is fixedly arranged at the front end of the drilling machine body through a bolt, and the clamp is fixedly arranged above the extension arm support through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120090942.9U CN214091741U (en) | 2021-01-14 | 2021-01-14 | Tunnel inner tube canopy support hole construction equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120090942.9U CN214091741U (en) | 2021-01-14 | 2021-01-14 | Tunnel inner tube canopy support hole construction equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214091741U true CN214091741U (en) | 2021-08-31 |
Family
ID=77438728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120090942.9U Active CN214091741U (en) | 2021-01-14 | 2021-01-14 | Tunnel inner tube canopy support hole construction equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214091741U (en) |
-
2021
- 2021-01-14 CN CN202120090942.9U patent/CN214091741U/en active Active
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