CN209941510U

CN209941510U - Adjustable positioning fixture for pier embedded steel bars

Info

Publication number: CN209941510U
Application number: CN201920549387.4U
Authority: CN
Inventors: 黄劲烨
Original assignee: Southwest Jiaotong University
Current assignee: Southwest Jiaotong University
Priority date: 2019-04-22
Filing date: 2019-04-22
Publication date: 2020-01-14
Anticipated expiration: 2029-04-22

Abstract

The utility model relates to a pier embedded reinforcement positioning fixture with adjustable, including four fixture of group to arbitrary adjacent two sets of fixture mutually perpendicular, arbitrary adjacent two sets of fixture part overlap from top to bottom and connect through the series connection fastener, are provided with the centre gripping seam that is used for centre gripping reinforcing bar and width adjustable together in every fixture of group. The utility model has the advantages that: and adjusting the distance between the steel bars in the same row, and clamping and fixing the steel bars in the clamping seams of the same clamping mechanism.

Description

Adjustable positioning fixture for pier embedded steel bars

Technical Field

The utility model relates to a bridge engineering construction tool field especially relates to a pier embedded reinforcement positioning fixture with adjustable.

Background

In the pier construction process, because the height of pier is higher, generally can select the merogenesis to pour, in order to guarantee that the pier that the merogenesis was poured keeps the wholeness, can be with the embedded bar in the pier of pouring at every turn when the merogenesis is poured, in order to guarantee strictly that reinforcing bar interval and reinforcing bar protective layer thickness control, need fix a position and fix the embedded bar, mainly adopt at present that the muscle hoop is fixed with the wire that pricks and steel bar connection fixes and fix, this kind of positioning method accuracy is low, wholly to one side off normal appears easily in the in-process of construction, consequently can influence the quality of pier.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the above problem that prior art exists, provide a pier embedded reinforcement positioning fixture with adjustable.

For realizing above-mentioned technical purpose, reach above-mentioned technological effect, the utility model discloses a following technical scheme realizes:

the utility model provides a pier embedded reinforcement positioning fixture with adjustable, includes four sets of fixture to arbitrary adjacent two sets of fixture mutually perpendicular, arbitrary adjacent two sets of fixture part overlap from top to bottom and connect through the series connection fastener, is provided with the centre gripping seam that is used for centre gripping reinforcing bar and width adjustable in every fixture.

Each group of clamping mechanism comprises two symmetrical long-strip-shaped clamping plates, a sawtooth-shaped protruding portion is arranged on one side, opposite to each other, of each clamping plate, a clamping seam with adjustable width is formed between the two clamping plates, a rectangular through hole which is through up and down is respectively formed in the position, close to the two ends, of each clamping plate, and the two rectangular through holes of the upper and lower overlapped portions of the two adjacent groups of clamping mechanisms are connected in series through a series connection fastener.

The series connection fastener comprises a screw and two fastening nuts, the two rectangular through holes of the upper and lower overlapped parts of the two adjacent groups of clamping mechanisms are connected in series in the middle of the screw, and the two fastening nuts are respectively screwed at the two ends of the screw.

Furthermore, the middle part of the screw rod is provided with a limiting column with a square cross section, the height of the limiting column is smaller than the thickness of the double clamping plate, and two rectangular through holes of the upper and lower overlapped parts of two adjacent groups of clamping mechanisms are connected in series by the limiting column.

Further, every group still install the retaining member that is used for locking two symmetrical splint on the fixture, the retaining member includes the U template, the inside wall of U template and the splint butt in the fixture of organizing together, be provided with the screw A that runs through along the horizontal direction on the lateral wall of U template, the spiro union has fastening bolt in the screw A, fastening bolt's end and another splint butt in the fixture of organizing together.

Furthermore, the pier device also comprises a supporting mechanism for supporting the clamping mechanism on the pouring template of the pier.

The supporting mechanism comprises an L-shaped supporting plate, two clamping blocks, a hexagon head bolt and a hexagon nut, wherein a strip-shaped hole which is through from top to bottom is formed in the short edge of the L-shaped supporting plate, a screw hole B which is through from top to bottom is formed in the clamping block, the hexagon head bolt is connected with the screw hole B which is located in the same vertical direction in series with the strip-shaped hole and then in threaded connection with the hexagon nut, the clamping blocks are installed and fixed on the short edge of the L-shaped supporting plate, the clamping mechanism is clamped between the two clamping blocks, a plurality of U-shaped holes are formed in the long edge of the L-shaped supporting plate, and the U-shaped holes are connected with the bridge pier pouring template through screws so that the L-shaped.

The utility model has the advantages that: adjusting the spacing of the steel bars in the same row, and clamping and fixing the steel bars in the clamping seams of the same clamping mechanism; the clamping plates on the two sides of the clamping seam are provided with sawtooth-shaped convex parts which can prevent the reinforcing steel bars from moving along the length direction of the clamping seam; support fixture on the template is pour to the pier through setting up supporting mechanism, prevent to appear the off normal in the work progress on the one hand, on the other hand controls the thickness of reinforcing bar protective layer.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of a positioning fixture in an embodiment of the present invention;

FIG. 2 is a schematic view of a portion of the structure of two adjacent sets of clamping mechanisms connected by a series fastener according to an embodiment of the present invention;

FIG. 3 is a schematic view of a portion of an embodiment of the present invention before two adjacent sets of clamping mechanisms are connected by a series fastener;

FIG. 4 is a schematic view of the assembly of the clamping mechanism, the locking member and the supporting mechanism according to the embodiment of the present invention;

fig. 5 is a schematic structural view of a clamping mechanism in an embodiment of the present invention;

FIG. 6 is an exploded view of the retaining member in an embodiment of the invention;

fig. 7 is an exploded view of a support mechanism in an embodiment of the invention.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

As shown in fig. 1 to 7, an adjustable positioning fixture for pre-embedded steel bars of a pier comprises four groups of clamping mechanisms 100, wherein any two adjacent groups of clamping mechanisms 100 are perpendicular to each other, the two adjacent groups of clamping mechanisms 100 are partially overlapped up and down and connected through a series fastener 400, a clamping slit 102 which is used for clamping the steel bars and has adjustable width is arranged in each group of clamping mechanisms 100, and the steel bars in the same row are clamped and fixed in the clamping slit 102 of the same clamping mechanism 100 after the distance between the steel bars in the same row is adjusted.

Each group of clamping mechanisms 100 comprises two symmetrical long-strip-shaped clamping plates 101, sawtooth-shaped protrusions 104 are arranged on the opposite sides of the two clamping plates 101 respectively, a clamping seam 102 with adjustable width is formed between the two clamping plates 101, a rectangular through hole 103 which is through up and down is formed in the position, close to the two ends, of each clamping plate 101, and the two rectangular through holes 103 of the vertically overlapped parts of the two adjacent groups of clamping mechanisms 100 are connected in series through a series fastener 400. The clamping plate has saw-toothed protrusions 104 on both sides of the clamping slot 102 to prevent the reinforcing bars from moving along the length of the clamping slot 102.

The serial fastener 400 comprises a screw 401 and two fastening nuts 403, the middle part of the screw 401 connects two rectangular through holes 103 of the upper and lower overlapped parts of two adjacent groups of clamping mechanisms 100 in series, and the two fastening nuts 403 are respectively screwed at two ends of the screw 401.

The middle part of screw 401 is provided with the spacing post 402 that the cross section is the square, and the highly double splint 101 thickness that is less than of spacing post 402, the highly double splint 101 thickness that is greater than of spacing post 402, the width of spacing post 402 equals the width of rectangle through-hole 103, two rectangle through-holes 403 of the adjacent two sets of fixture 100 upper and lower overlap portion are established ties to spacing post 402, horizontal direction skew appears after spacing post 402 can prevent adjacent two sets of fixture 100 from connecting through series connection fastener 400, thereby guarantee adjacent two sets of fixture 100 mutually perpendicular.

Still install retaining member 200 that is used for locking two symmetrical splint on every group fixture 100, retaining member 200 includes U template 201, the inside wall of U template 301 and with a splint 101 butt in the fixture 100 of organizing, be provided with on the outside wall of U template 301 along the screw A202 that the horizontal direction runs through, the spiro union has fastening bolt 203 in screw A202, fastening bolt 203's end and with another splint 101 butt in the fixture 100 of organizing.

Further comprises a supporting mechanism 300 for supporting the clamping mechanism 100 on the pouring formwork of the pier.

The supporting mechanism 300 comprises an L-shaped supporting plate 301, two clamping blocks 304, a hexagon head bolt 306 and a hexagon nut 307, wherein a strip-shaped hole 302 which is through from top to bottom is formed in a short edge of the L-shaped supporting plate 301, a screw hole B305 which is through from top to bottom is formed in the clamping block 304, the hexagon head bolt 306 is in threaded connection with the hexagon nut 307 after the screw hole B305 which is located in the same vertical direction is connected with the strip-shaped hole 302 in series, the clamping blocks 304 are installed and fixed on the short edge of the L-shaped supporting plate 301, the clamping mechanism 100 is clamped between the two clamping blocks 304, four U-shaped holes 303 are formed in a long edge of the L-shaped supporting plate 301, and the U-shaped holes 303 are connected with a bridge pier pouring template through screws 308, so. Supporting mechanism 100 supports on pier pouring template through setting up supporting mechanism 300, prevents to appear the off normal in the work progress on the one hand, and on the other hand controls the thickness of reinforcing bar protective layer.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a pier embedded steel bar positioning fixture with adjustable which characterized in that: the clamping mechanism comprises four groups of clamping mechanisms, any two adjacent groups of clamping mechanisms are perpendicular to each other, any two adjacent groups of clamping mechanisms are partially overlapped up and down and connected through a serial connection fastener, and a clamping seam which is used for clamping a reinforcing steel bar and has adjustable width is arranged in each group of clamping mechanisms.

2. The adjustable positioning fixture for pier embedded steel bars according to claim 1, characterized in that: each group of clamping mechanism comprises two symmetrical long-strip-shaped clamping plates, a sawtooth-shaped protruding part is arranged on one side, opposite to each other, of each clamping plate, a clamping seam with adjustable width is formed between the two clamping plates, a rectangular through hole which is through up and down is respectively arranged at the position, close to the two ends, of each clamping plate, and the two rectangular through holes of the upper and lower overlapped parts of the two adjacent groups of clamping mechanisms are connected in series through a series connection fastener.

3. The adjustable positioning fixture for pier embedded steel bars according to claim 2, characterized in that: the series connection fastener comprises a screw and two fastening nuts, the two rectangular through holes of the upper and lower overlapped parts of the two adjacent groups of clamping mechanisms are connected in series in the middle of the screw, and the two fastening nuts are respectively screwed at the two ends of the screw.

4. The adjustable positioning fixture for pier embedded steel bars according to claim 3, characterized in that: the middle part of the screw rod is provided with a limiting column with a square cross section, the height of the limiting column is smaller than the thickness of a double-time clamping plate, and two rectangular through holes of the upper and lower overlapped parts of two adjacent groups of clamping mechanisms are connected in series by the limiting column.

5. The adjustable positioning clamp for the pier embedded steel bars as claimed in claim 4, wherein: every group still install the retaining member that is used for locking two symmetrical splint on the fixture, the retaining member includes the U template, the inside wall of U template and the splint butt in the fixture of organizing together, be provided with the screw A that runs through along the horizontal direction on the lateral wall of U template, the spiro union has fastening bolt in the screw A, fastening bolt's end and another splint butt in the fixture of organizing together.

6. The adjustable positioning fixture for the pre-embedded steel bars of the piers as claimed in any one of claims 1 to 5, wherein: the pier casting formwork further comprises a supporting mechanism used for supporting the clamping mechanism on the pier casting formwork.

7. The adjustable positioning fixture for pier embedded steel bars according to claim 6, characterized in that: the supporting mechanism comprises an L-shaped supporting plate, two clamping blocks, a hexagon head bolt and a hexagon nut, wherein a strip-shaped hole which is through from top to bottom is formed in the short edge of the L-shaped supporting plate, a screw hole B which is through from top to bottom is formed in the clamping block, the hexagon head bolt is connected with the screw hole B which is positioned in the same vertical direction in series with the strip-shaped hole and then in threaded connection with the hexagon nut, the clamping blocks are installed and fixed on the short edge of the L-shaped supporting plate, the clamping mechanism is clamped between the two clamping blocks, a plurality of U-shaped holes are formed in the long edge of the L-shaped supporting plate, and the U-shaped holes are connected with the bridge pier pouring template through screws so that the L.