CN214464271U - Clamping tool for circumferential water stop belt for tunnel construction - Google Patents
Clamping tool for circumferential water stop belt for tunnel construction Download PDFInfo
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- CN214464271U CN214464271U CN202120637107.2U CN202120637107U CN214464271U CN 214464271 U CN214464271 U CN 214464271U CN 202120637107 U CN202120637107 U CN 202120637107U CN 214464271 U CN214464271 U CN 214464271U
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Abstract
The utility model relates to a clamping tool for a circumferential waterstop for tunnel construction, which effectively solves the problems that the existing clamping tool is inconvenient to disassemble and assemble and can not adjust the fixed position; the technical scheme for solving the problem is that the device comprises a first rectangular plate, wherein a clamping rod is arranged on the first rectangular plate; a second rectangular plate is arranged in front of the first rectangular plate, a fixing unit is arranged between the second rectangular plate and the clamping rod, and a clamping unit is arranged between the first rectangular plate and the second rectangular plate; when the second rectangular plate is close to the first rectangular plate, the fixing unit enables the two clamping rods to be fixed at a certain position on the first rectangular plate, and meanwhile, the clamping unit can clamp the lining reinforcing steel bars on two sides to enable the device to be in a fixed state; when the second rectangular plate is far away from the first rectangular plate, the fixing unit does not fix the clamping rod, and meanwhile, the clamping unit also loosens the lining reinforcing steel bars on the two sides, so that the device can be disassembled; the utility model provides a current fixture's dismouting operation inconvenient and can not adjust fixed position's problem, dismouting easy operation, application scope is wide.
Description
Technical Field
The utility model belongs to tunnel construction waterproof field, especially a hoop waterstop clamping instrument for tunnel construction.
Background
In the tunnel water-proof and drainage construction, a water stop belt is generally required to be arranged in an excavated tunnel to prevent water leakage at construction joints and other parts; in order to prevent the phenomenon, clamping pieces or bolts and nuts are generally adopted to fix two ends of a clamp on lining steel bars at two sides of the annular water stop, and when the water stop is fixed, one half of the water stop is buried in concrete, so that the other half of the water stop is required to be fixed through the clamp; meanwhile, the distance between the annular water stop belt and the arch wall above the annular water stop belt is not fixed, the position of the clamping rod cannot be adjusted by the conventional clamping apparatus, the clamping apparatus with various specifications is required, and the use is very inconvenient.
SUMMERY OF THE UTILITY MODEL
To the above situation, for solving the problem that exists among the prior art, the utility model aims at providing a tunnel construction is with hoop waterstop clamping instrument, the dismouting operation that can effectively solve current fixture is inconvenient and can not adjust fixed position's problem.
The clamping tool comprises a first rectangular plate, two clamping rods which are arranged in parallel and horizontally are inserted in the first rectangular plate, and the two clamping rods can move up and down on the first rectangular plate; a second rectangular plate is arranged in front of the first rectangular plate, a fixing unit for fixing the clamping rod is arranged between the second rectangular plate and the clamping rod, and clamping units are arranged at the upper end and the lower end between the first rectangular plate and the second rectangular plate; when the second rectangular plate is close to the first rectangular plate, the fixing unit enables the two clamping rods to be fixed at a certain position on the first rectangular plate, and meanwhile, the clamping unit can clamp the lining reinforcing steel bars on two sides to enable the device to be in a fixed state; when the second rectangular plate is far away from the first rectangular plate, the fixing unit does not fix the clamping rod, and meanwhile, the lining reinforcing steel bars on two sides are loosened by the clamping unit, so that the device can be detached.
Preferably, the fixing unit includes a first rack and a second rack that can be engaged with each other; the first rectangular plate is provided with a through groove along the front-back direction, the clamping rods are arranged in the through groove and can move up and down, a rectangular block arranged between the first rectangular plate and the second rectangular plate is fixed on the front end face of each clamping rod, the width of the rectangular block is larger than that of the through groove in the left-right direction, and a first rack is arranged on the front end face of the rectangular block; and a second rack is arranged on the rear end face of the second rectangular plate.
Preferably, the clamping unit includes a link and a clamp plate; the upper end and the lower end of the first rectangular plate are provided with first through holes, the upper end and the lower end of the second rectangular plate are provided with second through holes which are coaxial with the first through holes, the upper side and the lower side of the axis of the first through holes are provided with clamping plates, one side, away from the axis of the first through holes, of each clamping plate is provided with a front connecting rod and a rear connecting rod, one ends, close to the axis of the first through holes, of the front connecting rods and the rear connecting rods are hinged to the middle of the clamping plates, the other end of the front connecting rod is hinged to the second rectangular plate, and the other end of the rear connecting rod is hinged to the first rectangular plate.
Preferably, one side of the clamping plate, which is in contact with the lining steel bar, is an arc-shaped surface.
Preferably, a tension spring is arranged between the first rectangular plate and the second rectangular plate.
The utility model clamps the lining steel bars on both sides through the clamping plates, and can fix the clamping rods on both sides of the water stop belt to fix the water stop belt; keep away from first rectangular plate with the second rectangular plate and can demolish the device, dismouting easy operation, and can be through the position of adjusting the clamping bar, fix a plurality of positions on first rectangular plate with two clamping bars, be applicable to at the fixed waterstop of a plurality of different positions.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a cross-sectional view a-a of fig. 1.
Fig. 3 is a partially enlarged view B of fig. 2.
Fig. 4 is a partial enlarged view of C in fig. 2.
Fig. 5 is a perspective view of the second rectangular plate 4.
Fig. 6 is a perspective view of the first rectangular plate 2.
Fig. 7 is a perspective view of the clamping bar 3.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1 to 7, the clamping tool of the present invention is required to be installed on two horizontally disposed and parallel lining reinforcing bars 1, and includes a first rectangular plate 2, two horizontally disposed and parallel clamping rods 3 are inserted on the first rectangular plate 2, and the two clamping rods 3 can move up and down on the first rectangular plate 2; a second rectangular plate 4 is arranged in front of the first rectangular plate 2, a fixing unit for fixing the clamping rod 3 is arranged between the second rectangular plate 4 and the clamping rod 3, and clamping units are arranged at the upper end and the lower end between the first rectangular plate 2 and the second rectangular plate 4; when the second rectangular plate 4 is close to the first rectangular plate 2, the fixing unit enables the two clamping rods 3 to be fixed at a certain position on the first rectangular plate 2, and meanwhile, the clamping unit can clamp the lining reinforcing steel bars 1 on two sides to enable the device to be in a fixed state; when the second rectangular plate 4 is far away from the first rectangular plate 2, the fixing unit does not fix the clamping rod 3, and meanwhile, the lining reinforcing steel bars 1 on two sides are loosened by the clamping unit, so that the device can be detached.
The fixing unit comprises a first rack 5 and a second rack 6 which can be meshed with each other; the first rectangular plate 2 is provided with a through groove 7 along the front-back direction, the clamping rods 3 are arranged in the through groove 7 and can move up and down, a rectangular block 8 arranged between the first rectangular plate 2 and the second rectangular plate 4 is fixed on the front end face of each clamping rod 3, the width of the rectangular block 8 is larger than that of the through groove 7 in the left-right direction, and a first rack 5 is arranged on the front end face of the rectangular block 8; a second rack 6 is arranged on the rear end face of the second rectangular plate 4; when the second rectangular plate 4 is far away from the first rectangular plate 2 and the first rack 5 and the second rack 6 are not interfered in the vertical direction, the two clamping rods 3 can be positioned at a certain position in the through groove 7 on the first rectangular plate 2 by moving the clamping rods 3 up and down; the second rectangular plate 4 is close to the first rectangular plate 2 to enable the first rack 5 and the second rack 6 to be meshed with each other, the clamping rods 3 cannot move up and down, meanwhile, the first rectangular plate 2 and the second rectangular plate 4 can clamp the rectangular block 8, and the two clamping rods 3 are fixed at a certain position on the first rectangular plate 2.
The clamping unit comprises a connecting rod 9 and a clamping plate 10; the upper end and the lower end of the first rectangular plate 2 are provided with first through holes 11, the upper end and the lower end of the second rectangular plate 4 are provided with second through holes 12 which are coaxial with the first through holes 11, the upper side and the lower side of the axis of the first through holes 11 are respectively provided with a clamping plate 10, one side of each clamping plate 10, which is far away from the coaxial with the first through holes 11, is provided with a front connecting rod 9 and a rear connecting rod 9, one ends of the front connecting rods 9 and the rear connecting rods 9, which are close to the axis of the first through holes 11, are hinged in the middle of the clamping plates 10, the other end of the front connecting rod 9 is hinged on the second rectangular plate 4, and the other end of the rear connecting rod 9 is hinged on the first rectangular plate 2; the first through hole 11 and the second through hole 12 can be sequentially sleeved on the lining steel bar 1 on the corresponding side; when the second rectangular plate 4 is far away from the first rectangular plate 2, the connecting rod 9 can drive the clamping plate 10 to be far away from the axle center of the first through hole 11, and when the second rectangular plate 4 is close to the first rectangular plate 2, the connecting rod 9 can drive the clamping plate 10 to be close to the axle center of the first through hole 11, so that the upper clamping plate 10 and the lower clamping plate 10 on the same side can clamp the lining reinforcing steel bar 1.
One surface of the clamping plate 10, which is contacted with the lining steel bar 1, is an arc surface; the contact area can be increased by the contact of the arc-shaped surface and the lining steel bar 1, so that the clamping plate 10 clamps the lining steel bar 1 more firmly.
A tension spring 13 is arranged between the first rectangular plate 2 and the second rectangular plate 4; the tension spring 13 can provide enough tension to enable the first rectangular plate 2 and the second rectangular plate 4 to approach each other.
When the utility model is used, a water stop belt 15 is arranged along the circumferential direction of the arch wall 14 below the arch wall 14, templates 16 are respectively arranged above and below the middle of the water stop belt 15 in the length direction, two lining reinforcing steel bars 1 respectively vertically pass through the upper template 16 and the lower template 16, and an angle iron 17 is respectively arranged on the upper side and the lower side of the water stop belt 15 at the front side of the template 16;
when the clamping tool is installed, the second rectangular plate 4 is firstly far away from the first rectangular plate 2, the clamping plate 10 can be driven by the connecting rod 9 to be far away from the axis of the first through hole 11, and then the first through hole 11 and the second through hole 12 are sequentially sleeved on the lining reinforcing steel bars 1 on the corresponding sides; the second rectangular plate 4 is far away from the first rectangular plate 2, and simultaneously the second rack 6 is separated from the first rack 5 until the second rack 6 and the first rack 5 do not interfere in the vertical direction, and when the second through hole 12 is sleeved on the lining reinforcing steel bar 1, the clamping rod 3 can be moved up and down, so that the two clamping plates 10 are respectively arranged at two sides of the water stop belt 15; then, the second rectangular plate 4 is released, under the action of the tension spring 13, the second rectangular plate 4 is close to the first rectangular plate 2, and the clamping plates 10 can be driven by the connecting rod 9 to be close to the axle center of the first through hole 11, so that the upper and lower clamping plates 10 on the same side clamp the lining reinforcing steel bar 1; the second rectangular plate 4 is close to the first rectangular plate 2, so that the first rack 5 and the second rack 6 are meshed with each other, the clamping rods 3 cannot move up and down, meanwhile, the first rectangular plate 2 and the second rectangular plate 4 can clamp the rectangular block 8, and the two clamping rods 3 are fixed on two sides of the water stop belt 15; when concrete is poured on the other side of the template 16 in the later period, the generated horizontal thrust can provide a force towards the device for the template 16, and the water stop belt 15 cannot deviate as the whole device is fixed on the lining reinforcing steel bars 1 on the two sides;
when dismantling, through keeping away from first rectangular plate 2 with second rectangular plate 4, make second rack 6 and first rack 5 part, no longer fix clamping bar 3, the lining cutting reinforcing bar 1 of both sides is also loosened to splint 10 simultaneously, makes the device can be dismantled.
The utility model can provide enough tension through the tension spring 13 to enable the first rectangular plate 2 and the second rectangular plate 4 to approach each other, so that the clamping plate 10 can clamp the lining reinforcing steel bars 1 on both sides, and simultaneously the clamping rod 3 can be fixed on both sides of the water stop belt 15 to fix the water stop belt; keep away from first rectangular plate 2 with second rectangular plate 4 and can demolish the device, dismouting easy operation.
The utility model discloses a mode of first rack 5 and 6 intermeshing of second rack can adjust the position of clamping bar 3, fixes a plurality of positions on first rectangular plate 2 with two clamping bars 3, is applicable to at a plurality of different fixed waterstop 15 in position.
Claims (5)
1. A clamping tool for a circumferential water stop for tunnel construction comprises a clamping tool, wherein the clamping tool needs to be installed on an upper lining steel bar (1) and a lower lining steel bar (1) which are arranged in parallel and horizontally, and is characterized in that the clamping tool comprises a first rectangular plate (2), an upper clamping rod (3) and a lower clamping rod (3) which are arranged in parallel and horizontally are inserted on the first rectangular plate (2), and the two clamping rods (3) can move up and down on the first rectangular plate (2); a second rectangular plate (4) is arranged in front of the first rectangular plate (2), a fixing unit for fixing the clamping rod (3) is arranged between the second rectangular plate (4) and the clamping rod (3), and clamping units are arranged at the upper end and the lower end between the first rectangular plate (2) and the second rectangular plate (4); when the second rectangular plate (4) is close to the first rectangular plate (2), the fixing unit enables the two clamping rods (3) to be fixed at a certain position on the first rectangular plate (2), and meanwhile, the clamping unit can clamp the lining reinforcing steel bars (1) on two sides to enable the device to be in a fixed state; when the second rectangular plate (4) is far away from the first rectangular plate (2), the fixing unit does not fix the clamping rod (3), and meanwhile, the lining reinforcing steel bars (1) on two sides are loosened by the clamping unit, so that the device can be detached.
2. The clamping tool for the circumferential water stop for tunnel construction according to claim 1, wherein the fixing unit comprises a first rack (5) and a second rack (6) which can be meshed with each other; the first rectangular plate (2) is provided with through grooves (7) along the front-back direction, the clamping rods (3) are arranged in the through grooves (7) and can move up and down, a rectangular block (8) arranged between the first rectangular plate (2) and the second rectangular plate (4) is fixed on the front end face of each clamping rod (3), the width of the rectangular block (8) is larger than that of the through grooves (7) in the left-right direction, and a first rack (5) is arranged on the front end face of the rectangular block (8); and a second rack (6) is arranged on the rear end face of the second rectangular plate (4).
3. The clamping tool for the circumferential water stop for tunnel construction according to claim 1, wherein the clamping unit comprises a connecting rod (9) and a clamping plate (10); first through-hole (11) have been opened at both ends about first rectangular plate (2), second through-hole (12) with the axle center with first through-hole (11) have been opened at both ends about second rectangular plate (4), the upper and lower both sides in first through-hole (11) axle center all are equipped with one splint (10), two connecting rods (9) around keeping away from one side of first through-hole (11) axle center with every splint (10) all are equipped with, the one end that two connecting rods (9) are close to first through-hole (11) axle center articulates in the middle of splint (10) around, the other end of place ahead connecting rod (9) articulates on second rectangular plate (4), the other end of rear connecting rod (9) articulates on first rectangular plate (2).
4. The clamping tool for the circumferential water stop belt for tunnel construction according to claim 3, wherein one surface of the clamping plate (10) in contact with the lining steel bar (1) is an arc-shaped surface.
5. The clamping tool for the circumferential water stop belt for tunnel construction according to claim 1, wherein a tension spring (13) is arranged between the first rectangular plate (2) and the second rectangular plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120637107.2U CN214464271U (en) | 2021-03-30 | 2021-03-30 | Clamping tool for circumferential water stop belt for tunnel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120637107.2U CN214464271U (en) | 2021-03-30 | 2021-03-30 | Clamping tool for circumferential water stop belt for tunnel construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214464271U true CN214464271U (en) | 2021-10-22 |
Family
ID=78175804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120637107.2U Active CN214464271U (en) | 2021-03-30 | 2021-03-30 | Clamping tool for circumferential water stop belt for tunnel construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214464271U (en) |
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2021
- 2021-03-30 CN CN202120637107.2U patent/CN214464271U/en active Active
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