CN219865077U - Positioning device with adjustable angle and adjustable height for tunnel lock foot anchor pipe - Google Patents
Positioning device with adjustable angle and adjustable height for tunnel lock foot anchor pipe Download PDFInfo
- Publication number
- CN219865077U CN219865077U CN202320662840.9U CN202320662840U CN219865077U CN 219865077 U CN219865077 U CN 219865077U CN 202320662840 U CN202320662840 U CN 202320662840U CN 219865077 U CN219865077 U CN 219865077U
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- fixing
- plate
- adjustable
- sector plate
- anchor pipe
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- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000005553 drilling Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 description 7
- 238000010276 construction Methods 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 239000011435 rock Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
The utility model provides a positioning device with adjustable angle and adjustable height for a tunnel foot locking anchor pipe, which comprises a supporting device, a fixing device and an angle limiting device. The positioning device with the adjustable angle and the adjustable height for the tunnel foot locking anchor pipe provided by the utility model has the advantages that the angle and the height can be adjusted, the structure is simple, the foot locking anchor pipe does not need to be manually righted, the operation is easy, the fixation is firm, the falling is not easy in the drilling operation process, the error in the adjustment and the fixation of the angle and the height of the foot locking anchor pipe is reduced, and the positioning accuracy of the foot locking anchor pipe is improved.
Description
Technical Field
The utility model relates to the technical field of locking anchor rod positioning, in particular to a positioning device with adjustable angle and height of a tunnel locking anchor pipe.
Background
After the tunnel is excavated, the stress balance state of the original rock is destroyed, the stress is redistributed, and in order to prevent the excessive displacement and deformation of surrounding rock in the loose coil, a reasonable primary support structure is needed to bear the pressure of the surrounding rock. The steel arch is an important component in the primary support structure of the weak surrounding rock tunnel, in order to improve the primary support strength and stability and prevent arch foot shrinkage and arch drop, a certain number of foot locking anchor pipes are arranged at the arch foot part of the steel arch, the foot locking anchor pipes are inclined downwards by 30-45 degrees, and the orifice is 50cm away from the upper part of the arch foot. When the foot locking anchor pipe is constructed, the construction is usually carried out by depending on the experience of field operators, special personnel are required to straighten and align in the drilling process, the operation is complex, the labor intensity is high, the randomness is high, and the construction quality of the foot locking anchor pipe is difficult to guarantee. The construction quality of the anchor pipe directly influences the stability of the steel arch frame, so that the tunnel is easy to converge or sink and deform, and safety quality accidents such as arch dropping and the like are caused.
Disclosure of Invention
In order to solve the defects of the prior art, the utility model provides the positioning device with the adjustable angle and the adjustable height for the tunnel foot locking anchor pipe, which can be used for adjusting the angle and the height, has a simple structure, does not need to manually right the foot locking anchor rod, is easy to operate, is fixed firmly, is not easy to fall off in the drilling operation process, reduces the error of the angle and the height of the foot locking anchor pipe during the adjustment and the fixation, and improves the positioning accuracy of the foot locking anchor rod.
The utility model adopts the technical proposal for solving the technical problems that: the utility model provides a tunnel lock foot anchor pipe angularly adjustable and high adjustable positioner, including strutting arrangement, fixing device and angle stop device, strutting arrangement includes telescopic link and cover establishes the outer tube outside the telescopic link, is equipped with the connection screw on the outer tube, is fixed each other through the adjusting nut who link up in the connection screw between telescopic link and the outer tube, and the top of telescopic link is fixed with the sleeve pipe, and the guiding axle link up and sets up in the sleeve pipe, and the bottom of outer tube is provided with the ground connection nail; the fixing device comprises a pair of oppositely placed fixing plates, the upper end and the lower end of the opposite side of each fixing plate are respectively provided with a U-shaped clamping plate, the openings of the U-shaped clamping plates on the two fixing plates are opposite, the upper part and the middle part of each fixing plate are sequentially provided with a guide shaft fixing hole and a screw rod mounting hole, the supporting device is connected with the fixing device through guide shafts which sequentially penetrate through the two guide shaft fixing holes, the fixing screw rod penetrates through the two screw rod mounting holes to connect and fix the two fixing plates, locking nuts are respectively arranged at the two ends of the fixing screw rod, and one end of the fixing screw rod is connected with the handle through a special-shaped rotary table provided with two threaded holes; the angle limiting device comprises a first sector plate fixed on the outer side of the fixed plate and a second sector plate attached to the first sector plate, wherein an arc-shaped groove is formed in the first sector plate, through holes are formed in the second sector plate, buttons with stop blocks at two ends penetrate through the arc-shaped groove of the first sector plate and are clamped into the through holes, compression springs are arranged between the stop blocks on the outer side of the buttons and the second sector plate, the first sector plate is connected with the second sector plate through a rotating shaft, when the second sector plate rotates around the rotating shaft, the buttons slide along the arc-shaped groove, and guide cylinders are arranged on the second sector plate.
The telescopic link adopts square pole, and the outer tube adopts square pipe.
Guide stoppers are arranged at two ends of the guide shaft.
The outer wall of the outer sleeve is provided with a circle of grounding plate which is positioned on the upper part of the grounding nail.
The lower part of the outer sleeve is provided with a pedal.
The second sector plate is provided with a side plate attached to the guide cylinder.
The utility model has the beneficial effects based on the technical scheme that:
(1) According to the positioning device with adjustable angle and adjustable height for the tunnel foot locking anchor pipe, provided by the utility model, errors in adjustment and fixation of the angle and the height of the foot locking anchor pipe can be reduced through the angle movable assembly, the fixed movable bay and the support frame, and the accuracy of the device is improved;
(2) The positioning device with adjustable angle and height for the tunnel foot locking anchor pipe is simple in structure, does not need manual righting, and reduces construction difficulty;
(3) The positioning device with the adjustable angle and the adjustable height for the tunnel foot locking anchor pipe is easy to operate, firm in fixation, not easy to fall off in the drilling operation process, and improves the construction quality.
Drawings
Fig. 1 is a schematic structural view of a positioning device with adjustable angle and adjustable height for a tunnel locking anchor pipe according to the present utility model.
Fig. 2 is a schematic structural view of the supporting device.
Fig. 3 is a schematic structural view of the fixing device.
Fig. 4 is a schematic structural view of the angle limiting device.
In the figure: 1-supporting device, 11-guiding shaft, 12-sleeve, 13-guiding stop, 14-outer sleeve, 15-pedal, 16-grounding nail, 17-grounding plate, 18-adjusting nut, 19-telescopic rod, 2-fixing device, 21-U-shaped clamping plate, 22-fixing plate, 23-special-shaped turntable, 24-handle, 25-fixing screw, 26-locking nut, 27-guiding shaft fixing hole, 3-angle limiting device, 31-first sector plate, 32-rotating shaft, 33-side plate, 34-guiding cylinder, 35-second sector plate, 36-button, 37-compressing spring, 38-arc groove, 4-I-steel.
Detailed Description
The utility model is further described below with reference to the drawings and examples.
The utility model provides a positioning device with adjustable angle and adjustable height for a tunnel foot locking anchor pipe, which comprises a supporting device 1, a fixing device 2 and an angle limiting device 3, and is characterized in that the positioning device is shown in fig. 1.
Referring to fig. 2, the supporting device comprises a telescopic rod 19 and an outer sleeve 14 sleeved outside the telescopic rod, a connecting screw hole is formed in the outer sleeve, the telescopic rod and the outer sleeve are mutually fixed through an adjusting nut 18 communicated with the connecting screw hole, a sleeve 12 is fixed at the top end of the telescopic rod, and a guide shaft 11 is communicated with the sleeve. The two ends of the guide shaft can be provided with guide stoppers 13 so as to prevent the guide shaft from sliding out. The telescopic link can adopt square pole, and the outer tube adopts square pipe, can improve structural stability.
The bottom of the outer sleeve can be provided with a grounding pin 16, the outer wall of the outer sleeve is provided with a circle of grounding plate 17, and the grounding plate is positioned on the upper part of the grounding pin and is convenient to fix. A pedal 15 can be arranged at the lower part of the outer sleeve, so that the force application is facilitated.
Referring to fig. 3, the fixing device includes a pair of oppositely disposed fixing plates 22, the upper and lower ends of opposite sides of each fixing plate are respectively provided with a U-shaped clamping plate 21, the openings of the U-shaped clamping plates on the two fixing plates are opposite, the upper and middle parts of the fixing plates are sequentially provided with a guide shaft fixing hole 27 and a screw mounting hole, the supporting device is connected with the fixing device through guide shafts sequentially penetrating through the two guide shaft fixing holes, a fixing screw 25 penetrates through the two screw mounting holes to connect and fix the two fixing plates, two ends of the fixing screw are respectively provided with a locking nut 26, and one end of the fixing screw is connected with a handle 24 through a special-shaped turntable 23 provided with two threaded holes.
Referring to fig. 4, the angle limiting device includes a first sector plate 31 fixed on the outer side of the fixed plate and a second sector plate 35 attached to the first sector plate, an arc groove 38 is formed in the first sector plate, a through hole is formed in the second sector plate, a button 36 with stoppers at two ends is inserted into the arc groove of the first sector plate through the through hole, a compression spring 37 is arranged between the stoppers on the outer side of the button and the second sector plate, the first sector plate is connected with the second sector plate through a rotating shaft 32, when the second sector plate rotates around the rotating shaft, the button slides along the arc groove, and a guide cylinder 34 is arranged on the second sector plate. The second sector plate is provided with a side plate 33 attached to the guide cylinder, and can further fix the guide cylinder.
The construction process for positioning the foot locking anchor pipe by using the positioning device with the adjustable angle and the adjustable height of the tunnel foot locking anchor pipe comprises the following steps:
(1) The operator holds the positioning device by hand and clamps the U-shaped clamping plates on the flange plates of the I-steel 4 from two sides;
(2) The ground nail at the bottom of the supporting device is inserted into the ground by stepping the pedal of the fixing mechanism by feet;
(3) The relative position between the telescopic rod and the outer sleeve is adjusted to adjust the height of the device, and the telescopic rod and the outer sleeve are fixed through the rotating nut, so that different construction height requirements can be met;
(4) The handle is rocked, and the movable clamping piece is locked and fixed, so that the movable clamping piece is fastened on the I-steel;
(5) The drill rod passes through the guide cylinder and starts the pin locking drilling operation;
(6) And after the drilling is completed, the drill rod is withdrawn, the locking foot anchor pipe positioning device is removed, and the next steel arch frame operation is performed.
The positioning device with the adjustable angle and the adjustable height for the tunnel foot locking anchor pipe provided by the utility model has the advantages that the angle and the height can be adjusted, the structure is simple, the foot locking anchor pipe does not need to be manually righted, the operation is easy, the fixation is firm, the falling is not easy in the drilling operation process, the error in the adjustment and the fixation of the angle and the height of the foot locking anchor pipe is reduced, and the positioning accuracy of the foot locking anchor pipe is improved.
Claims (6)
1. The utility model provides a tunnel lock foot anchor pipe angularly adjustable and high adjustable positioner, includes strutting arrangement (1), fixing device (2) and angle stop device (3), its characterized in that: the supporting device comprises a telescopic rod (19) and an outer sleeve (14) sleeved outside the telescopic rod, a connecting screw hole is formed in the outer sleeve, the telescopic rod and the outer sleeve are mutually fixed through an adjusting nut (18) communicated with the connecting screw hole, a sleeve (12) is fixed at the top end of the telescopic rod, a guide shaft (11) is communicated and arranged in the sleeve, and a grounding nail (16) is arranged at the bottom end of the outer sleeve; the fixing device comprises a pair of oppositely placed fixing plates (22), the upper end and the lower end of the opposite side of each fixing plate are respectively provided with a U-shaped clamping plate (21), the openings of the U-shaped clamping plates on the two fixing plates are opposite, the upper part and the middle part of each fixing plate are sequentially provided with a guide shaft fixing hole (27) and a screw rod mounting hole, the supporting device is connected with the fixing device through guide shafts which sequentially penetrate through the two guide shaft fixing holes, a fixing screw rod (25) penetrates through the two screw rod mounting holes to connect and fix the two fixing plates, two ends of the fixing screw rod are respectively provided with a locking nut (26), and one end of the fixing screw rod is connected with a handle (24) through a special-shaped rotary disc (23) provided with two threaded holes; the angle limiting device comprises a first sector plate (31) fixed on the outer side of a fixed plate and a second sector plate (35) attached to the first sector plate, wherein an arc-shaped groove (38) is formed in the first sector plate, through holes are formed in the second sector plate, buttons (36) with stop blocks at two ends penetrate through the through holes and are clamped into the arc-shaped groove of the first sector plate, compression springs (37) are arranged between the stop blocks on the outer side of the buttons and the second sector plate, the first sector plate is connected with the second sector plate through a rotating shaft (32), and when the second sector plate rotates around the rotating shaft, the buttons slide along the arc-shaped groove, and guide cylinders (34) are arranged on the second sector plate.
2. The positioning device with adjustable angle and adjustable height for a tunnel lock foot anchor pipe according to claim 1, wherein: the telescopic link adopts square pole, and the outer tube adopts square pipe.
3. The positioning device with adjustable angle and adjustable height for a tunnel lock foot anchor pipe according to claim 1, wherein: guide stoppers (13) are arranged at two ends of the guide shaft.
4. The positioning device with adjustable angle and adjustable height for a tunnel lock foot anchor pipe according to claim 1, wherein: the outer wall of the outer sleeve is provided with a circle of grounding plate (17), and the grounding plate is positioned at the upper part of the grounding nail.
5. The positioning device with adjustable angle and adjustable height for a tunnel lock foot anchor pipe according to claim 1, wherein: the lower part of the outer sleeve is provided with a pedal (15).
6. The positioning device with adjustable angle and adjustable height for a tunnel lock foot anchor pipe according to claim 1, wherein: the second sector plate is provided with a side plate (33) attached to the guide cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320662840.9U CN219865077U (en) | 2023-03-30 | 2023-03-30 | Positioning device with adjustable angle and adjustable height for tunnel lock foot anchor pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320662840.9U CN219865077U (en) | 2023-03-30 | 2023-03-30 | Positioning device with adjustable angle and adjustable height for tunnel lock foot anchor pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219865077U true CN219865077U (en) | 2023-10-20 |
Family
ID=88346879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320662840.9U Active CN219865077U (en) | 2023-03-30 | 2023-03-30 | Positioning device with adjustable angle and adjustable height for tunnel lock foot anchor pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219865077U (en) |
-
2023
- 2023-03-30 CN CN202320662840.9U patent/CN219865077U/en active Active
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