CN203835282U - Lifting type drilling support for wedge-shaped cut holes for chamber excavation - Google Patents
Lifting type drilling support for wedge-shaped cut holes for chamber excavation Download PDFInfo
- Publication number
- CN203835282U CN203835282U CN201420241604.0U CN201420241604U CN203835282U CN 203835282 U CN203835282 U CN 203835282U CN 201420241604 U CN201420241604 U CN 201420241604U CN 203835282 U CN203835282 U CN 203835282U
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- feet
- support
- angle
- mechanical spiral
- sleeve pipe
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Abstract
The utility model belongs to the field of constructional engineering, and discloses a lifting type drilling support for wedge-shaped cut holes for chamber excavation. The lifting type drilling support is mainly composed of a support frame, a guide pipe and an angle-changeable support. According to the requirements of the structure size of a tunnel and the chamber blasting design, the whole lifting type drilling support for the wedge-shaped cut holes for chamber excavation is designed and machined. The lifting type drilling support has the advantages of being easy to install and safe and reliable to use, improve the work efficiency, saves the cost and the like.
Description
Technical field
The utility model relates to a kind of cavern excavation Liftable type wedge cutter drilling bracket, the drilling construction of wedge cutter while being particularly useful for cavern's section excavation.
Background technology
In conventional cavern wedge cutter drilling construction, conventionally adopt after setting-out, driller relies on construction experience to carry out the pore-creating operation of easer, often there is position, hole, hole depth deviation, angle is not in place, there is the phenomenons such as perforation in two corresponding easers, drilling depth deficiency while causing the explosion of face excavation, after explosion, stone is excessive, the difficulty of slagging tap, and the blown-out shot that easily produces perimeter hole, blind big gun, not only affect programming, and the blown-out shot that produces perimeter hole, when blind big gun, bring potential safety hazard to construction, also caused artificial while mending big gun, machinery, temporal cost drops into.
Summary of the invention
The problem that occurs that for overcoming the construction of conventional easer the phenomenons such as biased poor, the angle in hole, hole depth are not in place, two corresponding easer perforation produce, the utility model provides a kind of cavern excavation Liftable type wedge cutter drilling bracket and mounting method, apparatus structure is simple, operation simple installation, turnover rate is high, cost is low, construction quality is high, can improve programming.
In order to solve the problems of the technologies described above, the technical solution of the utility model is: a kind of cavern excavation Liftable type wedge cutter drilling bracket, support comprises that Support frame, guide pipe and variable-angle support, the liftable feet that described Support frame comprises upper frame, is connected with upper frame, liftable feet comprises supervisor, the outer sleeve pipe that is equipped with of supervisor, supervisor and sleeve pipe all offer pin hole, and pin hole latch matches; Variable-angle support comprise that feet, mechanical spiral are shored, varied angle feet sleeve pipe, mechanical spiral shores adjustment hole and mechanical spiral is shored adjusting boosting-rod, varied angle feet Socket welding is connected on support upper frame length central point both sides, and feet is arranged on variable-angle feet sleeve pipe.
In 90 ° being welded and fixed of sleeve pipe of four angles of upper frame and 4 liftable feets.
Guide pipe is arranged on upper frame, and after angle adjustment is put in place, is firmly connected with support upper frame by universal card.
Mechanical spiral is shored with variable-angle feet and is threaded connection, on mechanical spiral is shored, offer mechanical spiral and shore adjustment hole, mechanical spiral is shored and is regulated boosting-rod to shore adjustment hole with mechanical spiral and match, shore and regulate boosting-rod adjustment machinery spiral top support adjustment hole to carry out rotary machine spiral to shore by mechanical spiral, variable-angle feet is adjusted to rational position, and the stability of reinforced support is firm.
The utlity model has following beneficial effect:
1) operation simple installation, flexible operation is of a tightly knit structure, firm;
2) turnover rate is high, and cost is low;
3) saving of labor, save time, easy construction, safe and reliable
4) improve construction quality, improve work efficiency, improve working environment.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is overall structure diagrammatic top view of the present utility model.
Fig. 2 is overall structure diagrammatic elevational view of the present utility model.
Fig. 3 is Support frame structural representation lateral view of the present utility model.
Fig. 4 is the enforcement of the present utility model schematic diagram of drilling.
Fig. 5 ~ Fig. 7 is respectively the enlarged drawing at A in Fig. 2, B, C place.
Detailed description of the invention
Structure of the present utility model is as shown in Fig. 1-7, a kind of cavern excavation Liftable type wedge cutter drilling bracket, support comprises that Support frame 1, guide pipe 2 and variable-angle support 3, the liftable feet 4 that described Support frame 1 comprises upper frame 1 ＇, is connected with upper frame 1 ＇, liftable feet 4 comprises supervisor 5, the outer sleeve pipe 6 that is equipped with of supervisor 5, supervisor 5 and sleeve pipe 6 all offer pin hole 7, and pin hole 7 latches 8 match; Variable-angle support 3 comprise that feet 3 ＇, mechanical spiral shore 9, varied angle feet sleeve pipe 10, mechanical spiral are shored adjustment hole 11 and mechanical spiral is shored and regulated boosting-rod 12, varied angle feet sleeve pipe 10 is welded on support upper frame 1 length central point both sides, and feet 3 is arranged on variable-angle feet sleeve pipe 10.
In 90 ° being welded and fixed of sleeve pipe 6 of tetra-angles of upper frame 1 ＇ and 4 liftable feets 4.
Guide pipe 2 is arranged on upper frame 1 ＇, upper, and after angle adjustment is put in place, is firmly connected with support upper frame 1 by universal card.
Mechanical spiral is shored 9 and is threaded connection with variable-angle feet 3 ＇, shore and on 9, offer mechanical spiral and shore adjustment hole 11 at mechanical spiral, mechanical spiral is shored and is regulated boosting-rod 12 to shore adjustment hole 11 with mechanical spiral and match, shore and regulate boosting-rod 12 to adjust mechanical spiral top support adjustment hole 11 to carry out rotary machine spiral and shore 9 by mechanical spiral, variable-angle feet 3 ＇ are adjusted to rational position, and the stability of reinforced support is firm.
Shored and regulated boosting-rod 12 to adjust mechanical spiral top support adjustment hole 11 to carry out rotary machine spiral and shore 9, variable-angle feet 3 ＇ are adjusted to rational position by mechanical spiral, the stability of reinforced support is firm.
The mounting method of the cavern excavation Liftable type wedge cutter drilling bracket that the utility model provides, comprises the following steps:
1), according to the position of wedge cutter, determine rational drilling bracket physical dimension, and locate, install;
2) determine the length of Support frame, variable-angle feet and liftable feet, highly, the width of upper frame is 50 ~ 60cm, and the length of guide pipe is 70 ~ 80cm, and the angle of guide pipe is determined according to explosion design;
3) determine according to explosion design the position of adjusting supervisor, sleeve pipe, adopt latch to penetrate in pin hole, will be responsible for, location locked with sleeve pipe;
4) height of adjusting according to liftable feet, shore and regulate boosting-rod adjustment machinery spiral top support adjustment hole to carry out rotary machine spiral to shore by mechanical spiral, variable-angle feet is adjusted to rational position, and be fixed on cavern's base plate, effectively guarantee that Liftable type wedge cutter drilling bracket is steady in the time drilling, solid and reliable.
In above-mentioned steps 1) in, the location of drilling bracket, install: first according to cavern's design excavated section size, bore the design size of quick-fried chassis framework and the position of explosion design wedge cutter, determine cavern excavation Liftable type wedge cutter drilling bracket size, boring after quick-fried chassis excavation face in place, carry out Liftable type wedge cutter drilling bracket in place, by adjusting liftable feet, determine the height of cavern excavation Liftable type wedge cutter drilling bracket, then fix variable-angle feet, determine drilling rod drilling depth according to cavern excavation Liftable type wedge cutter drilling bracket on-station position and explosion design, and on drilling rod 13, do upper limit mark 14, ensure bore angle and degree of depth quality, form cavern excavation Liftable type wedge cutter drilling bracket device.
Claims (4)
1. a cavern excavation Liftable type wedge cutter drilling bracket, it is characterized in that: support comprises that Support frame (1), guide pipe (2) and variable-angle support (3), the liftable feet (4) that described Support frame (1) comprises upper frame (1 ＇), is connected with upper frame (1 ＇), liftable feet (4) comprises supervisor (5), the outer sleeve pipe (6) that is equipped with of supervisor (5), supervisor (5) and sleeve pipe (6) all offer pin hole (7), and pin hole (7) latch (8) matches; Variable-angle supports (3) and comprises that feet (3 ＇), mechanical spiral are shored (9), varied angle feet sleeve pipe (10), mechanical spiral shores adjustment hole (11) and mechanical spiral is shored adjusting boosting-rod (12), varied angle feet sleeve pipe (10) is welded on support upper frame (1) length central point both sides, and feet (3) is arranged on variable-angle feet sleeve pipe (10).
2. cavern excavation Liftable type wedge cutter drilling bracket device according to claim 1, is characterized in that: in 90 ° being welded and fixed of sleeve pipe (6) of four angles of upper frame (1 ＇) and 4 liftable feets (4).
3. cavern excavation Liftable type wedge cutter drilling bracket according to claim 1, is characterized in that: guide pipe (2) is arranged on upper frame (1 ＇), upper, and after angle adjustment is put in place, is firmly connected with support upper frame (1) by universal card.
4. cavern excavation Liftable type wedge cutter drilling bracket according to claim 1, it is characterized in that: mechanical spiral is shored (9) and is threaded connection with feet (3 ＇), shore at mechanical spiral and on (9), offer mechanical spiral and shore adjustment hole (11), mechanical spiral is shored and is regulated boosting-rod (12) to shore adjustment hole (11) with mechanical spiral and match, shore and regulate boosting-rod (12) to adjust mechanical spiral top support adjustment hole (11) to carry out rotary machine spiral and shore (9) by mechanical spiral, variable-angle feet (3) is adjusted to rational position, the stability of reinforced support is firm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420241604.0U CN203835282U (en) | 2014-05-13 | 2014-05-13 | Lifting type drilling support for wedge-shaped cut holes for chamber excavation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420241604.0U CN203835282U (en) | 2014-05-13 | 2014-05-13 | Lifting type drilling support for wedge-shaped cut holes for chamber excavation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203835282U true CN203835282U (en) | 2014-09-17 |
Family
ID=51513139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420241604.0U Expired - Fee Related CN203835282U (en) | 2014-05-13 | 2014-05-13 | Lifting type drilling support for wedge-shaped cut holes for chamber excavation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203835282U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967422A (en) * | 2014-05-13 | 2014-08-06 | 葛洲坝集团第五工程有限公司 | Liftable wedge-shaped cut hole drilling support for tunnel excavation and installation method thereof |
-
2014
- 2014-05-13 CN CN201420241604.0U patent/CN203835282U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967422A (en) * | 2014-05-13 | 2014-08-06 | 葛洲坝集团第五工程有限公司 | Liftable wedge-shaped cut hole drilling support for tunnel excavation and installation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20190513 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |