CN212454468U - Positioning clamp for water stop - Google Patents

Abstract

The utility model discloses a positioning fixture for waterstop, including bottom plate, stand, guide arm and clamping device, the upper portion and the guide arm swing joint of stand, the one end of guide arm is provided with clamping device, and clamping device includes fixed plate, supporting part, L type support frame and separation blade, and the support frame setting of L type structure is on the supporting part, and the separation blade passes through adjusting bolt to be fixed on the support frame with the corresponding position of supporting part. Be provided with the nut on the fixed plate, the middle part of fixed plate is provided with the connecting rod, and the one end welding of connecting rod is on the fixed plate. The supporting part is the segment, and the bellying face of segment is provided with connecting portion and with first protruding tip assorted first recess, first recess setting with the corresponding setting of connecting rod. When the waterstop is extruded and deformed and the deflection problem occurs, the position of the waterstop is adjusted in time by adjusting the distance between the two screw caps and the two screw rods on the ball gap, the waterstop is more accurately installed and positioned, and the water seepage prevention performance of the tunnel is effectively ensured.

Description

Positioning clamp for water stop

Technical Field

The utility model relates to a tunnel construction technical field especially relates to an anchor clamps for waterstop.

Background

The waterproof construction of the tunnel is a very important link. The water seepage problem of the tunnel mainly occurs at the position of a construction joint, a water stop belt needs to be buried at the position of the construction joint for sealing and stopping water, the water stop belt is installed by being integrated with a main structure through cast-in-place concrete, and if the problems of rolling, twisting, deflection, deviation, non-centering and the like occur when the concrete is poured, the waterproof effect of the water stop belt can be greatly weakened, even the water stop belt is invalid, so the installation and positioning quality of the water stop belt is directly related to the waterproof quality of the tunnel. The existing waterstop installation mode generally adopts a method of binding steel bars or a formwork, but the fixation effect is poor when the steel bars are bound, so that the waterstop is easily extruded, deformed and deviated by concrete in the concrete pouring process.

For example, application No. 201420449842.0, chinese utility model patent of name longitudinal construction joint waterstop installation locator discloses a waterstop installation device, and the device is through the terminal vertical fixation of the horizontal pole at L type locating lever have the waterstop separation blade, and the tip of horizontal pole still is fixed with the backup pad parallel with the separation blade, fixes the waterstop between waterstop separation blade and backup pad through screwing up the top bolt in the backup pad, but the device still has following technical problem:

1. the end of the puller bolt in the device is supported on the waterstop, the contact area between the puller bolt and the waterstop is small, the waterstop is easy to slide off, and when the waterstop is extruded by local concentrated acting force, the waterstop is easy to be extruded and deformed, so that the problems of deflection, no centering and deviation are easy to occur.

2. When the waterstop is extruded and deformed by concrete or the waterstop deflects due to errors during fixing, the device is not provided with an adjusting structure, so that the deflected waterstop can be conveniently and finely adjusted, the installation and the positioning of the waterstop are inaccurate, and the water seepage prevention performance of the tunnel is seriously influenced.

Therefore, it is an urgent need to solve the problem of providing a device which is convenient for installing and positioning the water stop and can finely adjust the water stop.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, the utility model provides a positioning fixture for waterstop, including bottom plate, stand, guide arm and clamping device, the bottom of stand sets up on the bottom plate, the upper portion and the guide arm swing joint of stand, the one end of guide arm is provided with clamping device, clamping device includes fixed plate, supporting part, L type support frame and separation blade, fixed plate and supporting part swing joint, the support frame setting of L type structure is on the supporting part, the separation blade pass through adjusting bolt fix on the support frame with the corresponding position of supporting part. And a water stop is placed between the separation blade and the support frame, and the water stop is fixed by adjusting the adjusting bolt.

The fixing plate is provided with a nut, the middle part of the fixing plate is provided with a connecting rod, one end of the connecting rod is welded on the fixing plate, and the other end of the connecting rod is formed into a first protruding end part. The supporting part is a segment, the convex surface of the segment is provided with a connecting part and a first groove matched with the first convex end part, the first convex end part is embedded into the first groove, the connecting part is arranged corresponding to the nut, and the first groove is arranged corresponding to the connecting rod. The connecting portion comprises a screw rod and a cylinder body, the side face of the cylinder body is welded on the convex face of the ball segment, a gripper portion is formed at the bottom end of the screw rod and is a welded cylindrical cylinder wall which is not closed, the maximum diameter of the cylindrical cylinder wall is slightly larger than the diameter of the cylinder body, the distance between two straight line end portions of the side wall of the cylindrical cylinder wall is smaller than the diameter of the cylinder body, the cylindrical cylinder wall is clamped and embedded on the cylinder body, and the axial length of the cylinder body is slightly larger than the axial length of the cylindrical cylinder wall. The utility model discloses well screw rod passes through connecting portion swing joint on the segment, makes the screw rod can be relative segment motion, the other end of screw rod with the nut spiro union.

This section of sphere uses the connecting rod as the fulcrum, twists two nuts on moving the section of sphere, and distance between adjusting screw and the nut realizes the fore-and-aft swing of section of sphere in vertical side, is out of shape by the extrusion when the waterstop, when the incline problem appears, through adjusting two nuts and the section of sphere on the position of in time aligning the waterstop of distance between two screws, the waterstop installation location is more accurate, has effectively guaranteed the prevention of seepage water performance in tunnel.

One end of the L-shaped support frame and one side fixed connection that the ball is close to the bottom surface of the ball are arranged, a N adjusting bolt is arranged at the other end of the L-shaped support frame, N is a positive integer, a second protruding end part is formed at the end part of the adjusting bolt, a second groove matched with the second protruding end part is arranged on the separation blade, and the second groove is arranged corresponding to the adjusting bolt. According to the difference of the thickness of the clamped water stop belt, two adjusting bolts are screwed to adjust the position of the blocking piece, and the blocking piece is enabled to tightly press the water stop belt on the supporting portion. And when the separation blade compresses tightly the waterstop on the supporting part, the waterstop contacts with the separation blade and the bottom surface of the segment of sphere, the waterstop can be clamped more firmly, and the waterstop is not easy to be squeezed and deformed, so that the problems of the waterstop such as deflection, no centering and displacement are effectively prevented.

The upper portion of stand is seted up the through-hole that runs through, the other end of guide arm passes the through-hole. The guide rod moves in the through hole, and the position of the water stop belt is adjusted along the axial direction of the guide rod.

The upper end of the stand column is also provided with a first thread groove, a bolt is in threaded connection with the stand column through the first thread groove, the bottom of the thread groove penetrates through the through hole, the bolt is screwed in along the first thread groove, and the lower end of the bolt is in compression joint with the guide rod, so that the guide rod is firmly fixed on the stand column.

The bottom welding of stand has the fixed plate, set up threaded hole on the fixed plate, set up N group second thread groove for bottom plate central symmetry distribution on the bottom plate, N is the positive integer, and two thread grooves for bottom plate central symmetry distribution are a set of. And the fixing plate is also provided with a positioning bolt which passes through the threaded hole and is screwed in the second threaded groove. The positioning bolt realizes the firm fixation of the upright post on the bottom plate, and the positioning bolt is adjusted to be fixed on the corresponding thread groove according to the difference of the positions of the water stop belts, so that the position of the water stop belts is adjusted by taking the upright post as the center and taking the vertical distance between the upright post and the clamping device as the radius. The position of the water stop belt can be adjusted more conveniently.

The side wall concrete steel formwork is characterized in that a plurality of fastening bolts are further arranged on the bottom plate, the fastening bolts penetrate through the periphery of the bottom plate, and the bottom plate is firmly fixed on the side wall concrete steel formwork through the fastening bolts.

The beneficial effect of the utility model is that,

1. the utility model discloses in, the segment uses the connecting rod as the fulcrum, twists two nuts on moving the segment, and distance between adjusting screw and the nut can realize the segment in the ascending back and forth swing of vertical side, is extruded when the waterstop and warp, when the incline problem appears, through adjusting two nuts and the segment distance between two screws on in time just the position of waterstop, the waterstop installation location is more accurate, has effectively guaranteed the prevention of seepage water performance in tunnel.

2. The utility model discloses in, one side fixed connection that the one end of L type support frame and the segment are close to the segment bottom surface is provided with a plurality of adjusting bolt on the other end of L type support frame, and adjusting bolt's tip is formed with the protruding tip of second, be provided with on the separation blade with the protruding tip assorted second recess of second, the second recess sets up with adjusting bolt is corresponding. According to the difference of the thickness of the clamped water stop belt, two adjusting bolts are screwed to adjust the position of the blocking piece, and the blocking piece is enabled to tightly press the water stop belt on the supporting portion. And when the separation blade compresses tightly the waterstop on the supporting part, the waterstop contacts with the separation blade and the bottom surface of the segment of sphere, the waterstop can be clamped more firmly, and the waterstop is not easy to be squeezed and deformed, so that the problems of the waterstop such as deflection, no centering and displacement are effectively prevented.

3. The utility model discloses in, the bottom welding of stand has the fixed plate, has seted up two screw holes on the fixed plate, sets up the multiunit second thread groove for bottom plate central symmetry distributes on the bottom plate, still is provided with positioning bolt on the fixed plate, and positioning bolt passes the screw hole spiro union in the second thread groove. The positioning bolt realizes the firm fixation of the upright post on the bottom plate, and the positioning bolt is adjusted to be fixed on the corresponding thread groove according to the difference of the positions of the water stop belts, so that the position of the water stop belts is adjusted by taking the upright post as the center and taking the vertical distance between the upright post and the clamping device as the radius. The position of the water stop belt can be adjusted more conveniently.

Drawings

FIG. 1 is a schematic view of the overall structure of the positioning jig for water stop of the present invention;

FIG. 2 is a schematic view of the position of the nut and screw structure at the position A in FIG. 1;

FIG. 3 is a schematic view of the position of the adjusting bolt and the L-shaped supporting frame at the position B in FIG. 1;

FIG. 4 is a schematic view of the position of the fixing plate and the bottom plate structure of the present invention;

fig. 5 is a schematic structural position diagram of the guide rod penetrating through the through hole of the present invention;

FIG. 6 is a schematic view of the structural position of the through hole on the upright post according to the present invention;

FIG. 7 is a schematic view of the structure and position of the grip portion nested on the cylinder;

FIG. 8 is a top view of the gripping portion of the present invention nested on the post;

the support comprises a base plate, a column, a through hole, a bolt, a fixing plate, a threaded hole, a positioning bolt, a fastening bolt, a guide rod, a fixing plate, a support part, a support frame, a support plate, a stop sheet, an adjusting bolt, a screw cap, a connecting rod, a first protruding end part, a first groove, a screw rod, a threaded rod and a screw rod, wherein the base plate is 10-a base plate, the upright column is 20-a column, the through hole is 21-a through hole, the first threaded groove.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

The structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the purpose which can be achieved by the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

Example (b):

please refer to fig. 1 to 8, in order to solve the above technical problem, the utility model provides a positioning fixture for waterstop, the one end of guide arm is provided with clamping device, the last segment of ball of clamping device uses the connecting rod as the fulcrum, clamping device still is connected with the nut on the fixed plate through connecting portion, during the use, twist two nuts on the segment of ball, adjust the distance between screw rod and the nut, can realize the fore-and-aft swing of segment of ball on vertical side, when the waterstop is extruded and deformed, when the incline problem appears, in time adjust the position of waterstop through adjusting two distances between two screws on two nuts and the segment of ball, the waterstop installation location is more accurate, effectively guaranteed the prevention of seepage water performance in tunnel.

The utility model provides a positioning fixture for waterstop, including bottom plate 10, stand 20, guide arm 30 and clamping device, the bottom setting of stand 20 is on bottom plate 10, the upper portion and the guide arm 30 swing joint of stand 20, the one end of guide arm 30 is provided with clamping device, clamping device includes fixed plate 40, supporting part 41, L type support frame 42 and separation blade 43, fixed plate 40 and supporting part 41 swing joint, L type support frame 42 sets up on supporting part 41, separation blade 43 passes through adjusting bolt 44 to be fixed on the support frame with the corresponding position of supporting part 41. A water stop is arranged between the baffle 43 and the support frame 42, and the water stop is fixed by adjusting the adjusting bolt.

The fixing plate 40 is provided with a nut 45, the middle part of the fixing plate 40 is provided with a connecting rod 46, one end of the connecting rod 46 is welded on the fixing plate 40, in the embodiment, the two nuts 45 are respectively arranged on the two sides of the connecting rod 46 on the fixing plate 40, and the other end of the connecting rod 46 is formed into a first protruding end part 47. The supporting portion 41 is a segment, a convex surface of the segment is provided with a connecting portion and a first groove 48 matched with the first convex end portion 47, the first convex end portion 47 is embedded into the first groove 48, the connecting portion is arranged corresponding to the nut 45, and the first groove 48 is arranged corresponding to the connecting rod 46. The connecting part comprises a screw 49 and a cylinder 50, the side surface of the cylinder 50 is welded on the convex surface of the segment 41, a handle part 51 is formed at the bottom end of the screw 49, the handle part is a welded unclosed cylindrical cylinder wall 51, the maximum diameter of the cylindrical cylinder wall is slightly larger than the diameter of the cylinder 50, the distance between two linear end parts of the side wall of the cylindrical cylinder wall 51 is smaller than the diameter of the cylinder 50, the cylindrical cylinder wall 51 is clamped and embedded on the cylinder 50, and the axial length of the cylinder 50 is slightly larger than the axial length of the cylindrical cylinder wall 51. The utility model discloses well screw rod 49 passes through connecting portion swing joint on segment 41, and screw rod 49 can be relative segment 41 motion, screw rod 49's the other end and nut 45 spiro union.

This segment 41 uses connecting rod 46 as the fulcrum, twists two nut 45 on the segment 41, and distance between adjusting screw 49 and the nut 45 realizes the fore-and-aft swing of segment 41 in vertical side, is out of shape by the extrusion when the waterstop, when the incline problem appears, through adjusting two nut 45 and segment 41 on the position of distance between two screw rods 49 in time alignment waterstop, the waterstop installation location is more accurate, has effectively guaranteed the prevention of seepage water performance in tunnel.

One end of the L-shaped support frame 42 is fixedly connected with one side of the segment 41 close to the bottom surface of the segment, the other end of the L-shaped support frame 42 is provided with N adjusting bolts 44, N is a positive integer, the end of the adjusting bolt 44 is formed with a second protruding end portion 52, the blocking piece 43 is provided with a second groove 53 matched with the second protruding end portion, and the second groove 53 is arranged corresponding to the adjusting bolts 44. The utility model discloses well adjusting bolt 44 has two. According to the difference of the thickness of the clamped water stop belt, two adjusting bolts 44 are screwed to adjust the position of the baffle plate 43, so that the baffle plate 43 is ensured to press the water stop belt on the supporting part 41. And, when the separation blade 43 compressed the waterstop on supporting part 41, the waterstop contacted with separation blade 43 and segment bottom surface, and the waterstop can be held more firmly, and the waterstop is difficult by the extrusion deformation to effectively prevented the waterstop skew, not be in the middle and the problem of off tracking.

The upper part of the upright post 20 is provided with a through hole 21, and the other end of the guide rod 30 passes through the through hole 21. The guide rod 30 moves in the through hole 21, and the position of the water stop is adjusted in the axial direction of the guide rod 30.

The upper end of the upright post 20 is further provided with a first thread groove 22, a bolt 23 is screwed with the upright post 20 through the first thread groove 22, the bottom of the first thread groove 22 penetrates through the through hole 21, the bolt 23 is screwed along the first thread groove 22, and the lower end of the bolt 23 can be pressed on the guide rod 30, so that the guide rod 30 is firmly fixed on the upright post 20.

The bottom welding of stand 20 has fixed plate 24, has seted up screw hole 25 on the fixed plate 24, and screw hole 25 has two in this embodiment, has seted up N group second thread groove 26 for the central symmetric distribution of bottom plate on the bottom plate 10, and N is the positive integer, and two second thread grooves 26 for the central symmetric distribution of bottom plate are a set. The fixing plate 24 is further provided with a positioning bolt 27, and the positioning bolt 27 is screwed into the second threaded groove 26 through the threaded hole 25. This positioning bolt 27 has realized the firm fixed of stand 20 on bottom plate 10 to, according to the difference of waterstop position, adjustment positioning bolt 27 is fixed on the second thread groove 26 that corresponds, has realized taking stand 20 as the center, has used the vertical distance between stand and the clamping device as radius adjustment waterstop position, and is more convenient to the adjustment of waterstop position.

The bottom plate 10 is further provided with a plurality of fastening bolts 28, in this embodiment, there are four fastening bolts 28, the fastening bolts 28 are arranged around the bottom plate 10, and the bottom plate 10 is firmly fixed on the side wall concrete steel formwork through the fastening bolts 28.

The utility model discloses when using, utilize fastening bolt 28 to fix this device on side wall concrete steel formwork, put the waterstop between segment 41 and separation blade 43, revolve wrong adjusting bolt 44 and compress tightly the waterstop, the position of adjustment guide arm 30 on stand 20, distance between adjusting screw 49 and the nut 45 simultaneously, until making the waterstop position reach predetermined fixed position. When the waterstop is extruded and deformed and has a deflection problem, the distance between the two screw caps 45 and the two screw rods 49 on the ball segment 41 can be adjusted, and the position of the guide rod 30 on the upright post 20 is adjusted in a matching manner, so that the installation and the positioning of the waterstop are more accurate, and the water seepage prevention performance of the tunnel is ensured.

Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.

Claims (10)

1. The utility model provides a positioning fixture for waterstop, its characterized in that, includes bottom plate, stand, guide arm and clamping device, the bottom of stand sets up on the bottom plate, the upper portion and the guide arm swing joint of stand, the one end of guide arm is provided with clamping device, clamping device includes fixed plate, supporting part, L type support frame and separation blade, fixed plate and supporting part swing joint, L type support frame sets up on the supporting part, the separation blade pass through adjusting bolt fix on the support frame with the corresponding position of supporting part.

2. The positioning jig for a water stop as claimed in claim 1, wherein a nut is provided on the fixing plate, a connecting rod is provided in the middle of the fixing plate, one end of the connecting rod is welded to the fixing plate, and the other end of the connecting rod is formed as a first convex end portion.

3. The positioning fixture for the water stop belt according to claim 2, wherein the supporting portion is a segment, a convex surface of the segment is provided with a connecting portion and a first groove matched with the first convex end portion, the first convex end portion is embedded into the first groove, the first groove is arranged corresponding to the connecting rod, and the connecting portion is arranged corresponding to the nut.

4. The positioning fixture for the water stop belt according to claim 3, wherein the connecting portion comprises two screw rods and two cylinders, the side surfaces of the cylinders are welded on the convex surfaces of the ball segments, the bottom ends of the screw rods are provided with the gripping portions, the gripping portions are welded unclosed cylindrical cylinder walls, the cylindrical cylinder walls are clamped and embedded on the cylinders, and the number of the screw caps is two.

5. The positioning jig for a water stop as set forth in claim 4, wherein the other end of the screw is screwed with the nut.

6. The positioning fixture for the water stop belt according to claim 5, wherein one end of the L-shaped support frame is fixedly connected with one side of the ball segment close to the bottom surface of the ball segment, N adjusting bolts are arranged at the other end of the L-shaped support frame, N is a positive integer, a second protruding end portion is formed at the end portion of each adjusting bolt, a second groove matched with the second protruding end portion is arranged on the blocking piece, and the second groove is arranged corresponding to the adjusting bolts.

7. The positioning fixture for the water stop belt according to claim 6, wherein a through hole is formed at an upper portion of the upright post, and the other end of the guide rod passes through the through hole.

8. The positioning jig for a water stop as claimed in claim 7, wherein the upper end of the upright post is further provided with a first thread groove, a bolt is screwed with the upright post through the first thread groove, and the bottom of the thread groove penetrates the through hole.

9. The positioning fixture for the water stop belt according to claim 8, wherein a fixing plate is welded to the bottom of the upright post, the fixing plate is provided with a threaded hole, the bottom plate is provided with N sets of second threaded grooves symmetrically distributed with respect to the center of the bottom plate, N is a positive integer, one set of two threaded grooves symmetrically distributed with respect to the center of the bottom plate is provided, and the fixing plate is further provided with a positioning bolt which penetrates through the threaded hole and is screwed in the second threaded groove.

10. The positioning fixture for the water stop belt according to claim 9, wherein M fastening bolts are further arranged on the bottom plate, and M is a positive integer.

Images