CN214696473U - Equipment for controlling thickness and row spacing of side wall steel bar protective layer - Google Patents

Equipment for controlling thickness and row spacing of side wall steel bar protective layer Download PDF

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Publication number
CN214696473U
CN214696473U CN202120609839.0U CN202120609839U CN214696473U CN 214696473 U CN214696473 U CN 214696473U CN 202120609839 U CN202120609839 U CN 202120609839U CN 214696473 U CN214696473 U CN 214696473U
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CN
China
Prior art keywords
side wall
thickness
row spacing
steel bar
steel
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202120609839.0U
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Chinese (zh)
Inventor
李永佳
张文斌
吴文亮
隆锋
陈冬
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CCCC Tunnel Engineering Co Ltd
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CCCC Tunnel Engineering Co Ltd
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Priority to CN202120609839.0U priority Critical patent/CN214696473U/en
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Publication of CN214696473U publication Critical patent/CN214696473U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an equipment of side wall protective steel bar layer thickness and row spacing control, concretely relates to protective steel bar layer thickness technical field, its technical scheme is: including side wall template and side wall reinforcing bar, side wall reinforcing bar fixed mounting be in side wall template side still includes: the thickness control device is arranged on the inner sides of the side wall template and the side wall steel bars, and the row spacing positioning steel bars are arranged on the surfaces of the side wall steel bars; the thickness control device comprises a grouting pipe, the grouting pipe is inserted into the side wall template and the side wall steel bars, the grouting pipe extends to the outside of the side wall template, a steel plate is welded on the inner side of the side wall steel bars, and a bolt is arranged at the right end of the steel plate; the utility model has the advantages that: the control device is arranged on the thickness and the row spacing of the side wall steel bar protective layer, so that the function of strictly controlling the thickness and the row spacing of the side wall steel bar protective layer is achieved.

Description

Equipment for controlling thickness and row spacing of side wall steel bar protective layer
Technical Field
The utility model relates to a protective steel bar layer thickness technical field especially relates to an equipment of side wall protective steel bar layer thickness and row spacing control.
Background
The thickness of the reinforcing steel bar protective layer refers to the distance degree of a small part of cushion layers on the concrete, the concrete protective layer refers to the concrete member, the concrete protective layer is the concrete member and plays a role in protecting the steel bars from directly exposing the part of the concrete, the minimum distance from the surface of the concrete to the outer edge of the nominal diameter of the outermost steel bar is the minimum distance of the part of the concrete which protects the steel bars from being directly exposed, the minimum thickness of the protective layer of the post-tensioning prestressed tendon is the distance from the outer edge of the sleeve or the pore channel to the surface of the concrete, the minimum thickness of the protective layer is specified to ensure that the concrete structural member meets the durability requirement and the requirement of effectively anchoring the stressed steel bar, the thickness of the protective layer at the end of the steel bar of the prefabricated reinforced concrete flexural member is not less than 10MM, the thickness of the protective layer is not the minimum distance from the outer edge of the longitudinal steel bar to the surface of the concrete, but the thickness of the protective layer of the concrete is calculated by using the outer edge of the steel bar at the outermost layer.
The prior art has the following defects: the thickness of the side wall steel bar protection layer plays a crucial role in the durability of the structure, the steel bar corrosion can be caused to cause concrete spalling when the thickness of the steel bar protection layer is too thin, cracks can be generated when the thickness of the steel bar protection layer is too thick, and the thickness of the steel bar protection layer and the steel bar row pitch of the existing side wall cannot be well controlled.
Therefore, it is necessary to invent a device for controlling the thickness and the row pitch of the side wall steel bar protection layer.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides an equipment of side wall protective steel bar layer thickness and row spacing control through setting up controlling means to lateral wall protective steel bar layer thickness and row spacing to solve the problem that protective steel bar layer thickness is too thin or too thick influences the concrete quality.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model discloses an equipment of side wall steel reinforcement protective layer thickness and row apart from control, including side wall template and side wall reinforcing bar, side wall reinforcing bar fixed mounting be in side wall template side still includes: the thickness control device is arranged on the inner sides of the side wall template and the side wall steel bars, and the row spacing positioning steel bars are arranged on the surfaces of the side wall steel bars;
the thickness control device comprises a grouting pipe, the grouting pipe is inserted into the side wall template and the side wall steel bars, the grouting pipe extends to the outside of the side wall template, the steel plates are welded on the inner sides of the side wall steel bars, bolts are arranged at the right ends of the steel plates, the grouting pipe is sleeved on the outer wall of the bolts, opposite-pulling screw rods are inserted into the grouting pipe, nuts are arranged at the left ends of the opposite-pulling screw rods, the nuts are in threaded connection with the bolts, and marks are arranged on the outer walls of the opposite-pulling screw rods.
Furthermore, cushion blocks are fixedly installed at the joints of the side wall templates and the side wall steel bars.
Furthermore, a rotating rod is fixedly installed at the right end of the opposite-pulling screw rod.
Further, the rotating rod is provided with a thread-free square shape.
Further, the steel plate is provided as a galvanized steel plate.
Further, the outer diameter of the bolt is 14MM-18MM, and preferably 16MM is adopted.
Furthermore, the grouting pipe is a full-section pre-buried grouting pipe.
Further, the inner diameter of the nut is matched with the outer diameter of the bolt.
Further, the tightening direction of the split screw and the bolt is clockwise.
In the technical scheme, the utility model provides a pair of equipment of side wall steel reinforcement protective layer thickness and row spacing control has following beneficial effect:
the thickness control device comprises a grouting pipe which is inserted into a side wall template and a side wall steel bar, the grouting pipe extends to the outside of the side wall template, a steel plate is welded on the inner side of the side wall steel bar, the steel plate has the function of adjusting the thickness of a side wall steel bar protective layer, a bolt is arranged at the right end of the steel plate and has the function of connecting a nut, the grouting pipe is sleeved on the outer wall of the bolt, an opposite-pulling screw rod is inserted into the grouting pipe and has the function of fixing the bolt and the nut, the nut is arranged at the left end of the opposite-pulling screw rod and has the function of connecting the bolt to control the thickness of the steel bar protective layer, the nut is in threaded connection with the bolt, a mark is arranged on the outer wall of the opposite-pulling screw rod and is convenient for screwing up the thickness of the control protective layer, a control device is arranged on the thickness of the side wall steel bar protective layer and a row spacing, and the function of strictly controlling the thickness and the row spacing of the side wall steel bar protective layer.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a structural diagram of a device for controlling thickness and row spacing of a side wall reinforcing steel bar protective layer provided by an embodiment of the present invention;
fig. 2 is a schematic view of connection between a steel plate and bolts in a device for controlling thickness and row spacing of a side wall steel bar protection layer provided by an embodiment of the present invention;
fig. 3 is a structural diagram of a thickness control device in a device for controlling the thickness and the pitch of a side wall reinforcing steel bar protective layer provided by an embodiment of the present invention;
fig. 4 is a structural diagram of a pitch positioning steel bar in a device for controlling the thickness and the pitch of a side wall steel bar protection layer provided by the embodiment of the utility model;
fig. 5 is the embodiment of the utility model provides a side wall reinforcing bar's structure chart in the equipment of side wall reinforcing bar protective layer thickness and row spacing control.
In the figure: the side wall formwork comprises a side wall formwork 1, a cushion block 11, side wall steel bars 2, steel plates 21, bolts 22, row spacing positioning steel bars 23, a thickness control device 3, a split screw 31, a grouting pipe 32, a mark 33, nuts 34 and a rotating rod 35.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
Example 1:
referring to fig. 1 to 5, the apparatus for controlling thickness and row spacing of a side wall steel bar protection layer of the embodiment includes a side wall form 1 and side wall steel bars 2;
preferably, the side wall reinforcing steel bars 2 are fixedly installed at the side end of the side wall formwork 1, and the side wall formwork further comprises: the thickness control device 3 and the row spacing positioning steel bars 23, the thickness control device 3 is arranged on the inner sides of the side wall template 1 and the side wall steel bars 2, the row spacing positioning steel bars 23 are installed on the surfaces of the side wall steel bars 2, the side wall steel bars 2 have the function of supporting and fixing when the side wall is poured, the stability of the side wall is improved, the side wall template 1 has the function of assisting the side wall steel bars 2 in building and installing, the thickness control device 3 has the function of strictly controlling the thickness of a steel bar protection layer of the side wall, the phenomenon that the steel bar is corroded to cause concrete expansion crack due to the fact that the thickness of the steel bar protection layer is too thin, cracks are generated due to the fact that the thickness of the steel bar protection layer is too thick, the row spacing positioning steel bars 23 have the function of controlling the steel bar row spacing, the row spacing of the steel bars is the same, and the stability and the attractiveness of the side wall steel bars are improved;
the thickness control device 3 comprises a grouting pipe 32, the grouting pipe 32 is inserted into the side wall formwork 1 and the side wall steel bars 2, the grouting pipe 32 extends to the outside of the side wall formwork 1, a steel plate 21 is welded on the inner side of the side wall steel bars 2, a bolt 22 is arranged at the right end of the steel plate 21, the grouting pipe 32 is sleeved on the outer wall of the bolt 22, a counter-pulling screw 31 is inserted into the grouting pipe 32, a nut 34 is arranged at the left end of the counter-pulling screw 31, the nut 34 is in threaded connection with the bolt 22, a mark 33 is arranged on the outer wall of the counter-pulling screw 31, the grouting pipe 32 has the function of conveniently inserting the counter-pulling screw 31 into the rotating nut 34, the steel plate 21 fixes the steel bars 2 and has the function of adjusting the thickness of the protective layer of the side wall steel bars 2, the bolt 22 fixes the steel plate 21 after being pre-processed on the steel plate, the bolt 22 has the function of connecting the nut 34, and the diameter of the counter-pulling screw 31 is 14MM, the tension screw 31 has the function of fixing the bolt 22 and the nut 34, the thickness of the steel bar protection layer is controlled by the tightening degree of the bolt 22 and the nut 34, the nut 34 has the function of connecting the bolt 22 to control the thickness of the steel bar protection layer, and the mark 33 facilitates the tightening control of the thickness of the protection layer.
Preferably, a cushion block 11 is fixedly installed at the joint of the side wall template 1 and the side wall steel bars 2, and the cushion block 11 has the function of fixing the side wall template 1 and the side wall steel bars 2, so that the stability of the side wall template 1 and the side wall steel bars 2 is improved.
Preferably, a rotating rod 35 is fixedly installed at the right end of the tension screw rod 31, and the rotating rod 35 has the function of rotating the tension screw rod 31 to enable the bolt 22 and the nut 34 to be tightened to control the thickness of the protective layer.
Preferably, the rotating rod 35 is provided in a thread-free square shape to facilitate the tightening operation.
Preferably, the steel plate 21 is a galvanized steel plate, and the galvanized steel plate is a welded steel plate with a hot-dip coating or an electro-galvanizing layer on the surface, has metallic luster, and has the advantages of good corrosion resistance and good spot weldability.
Preferably, the bolt 22 has an outer diameter of 14MM to 18MM, preferably 16MM, and the width of the bolt 22 and the width of the nut 34 are matched.
Preferably, slip casting pipe 32 sets up to full section formula slip casting pipe of burying in advance, and the formula slip casting pipe of burying in advance of full section is installed simply, can be under the site operation, and the actual demand according to the seam is accurate to be intercepted length, does not need special erection equipment, and the slip casting time can be selected wantonly, and when slip casting in the slip casting pipe under the pressure effect, the thick liquid can keep evenly being full of whole pipe, can guarantee permanent seal after the slip casting.
Preferably, the inner diameter of the nut 34 matches the outer diameter of the bolt 22, and the nut 34 and the bolt 22 are mounted in a matching manner.
Preferably, the tightening direction of the counter-pulling screw 31 and the bolt 22 is clockwise, so that the thickness of the protective layer can be conveniently controlled by tightening the counter-pulling screw 31.
The utility model discloses a use as follows: use the utility model discloses the time, 2 fixed mounting of side wall reinforcing bar still include at 1 side of side wall template: the thickness control device 3 and the row spacing positioning steel bars 23, the thickness control device 3 is arranged on the inner sides of the side wall template 1 and the side wall steel bars 2, the row spacing positioning steel bars 23 are arranged on the surface of the side wall steel bars 2, the thickness control device 3 comprises a grouting pipe 32 inserted in the side wall template 1 and the side wall steel bars 2, the grouting pipe 32 extends to the outer side of the side wall template 1, a steel plate 21 is welded on the inner side of the side wall steel bars 2, a bolt 22 is arranged at the right end of the steel plate 21, the grouting pipe 32 is sleeved on the outer wall of the bolt 22, a counter-pulling screw 31 is inserted in the grouting pipe 32, a nut 34 is arranged at the left end of the counter-pulling screw 31, the nut 34 is in threaded connection with the bolt 22, a mark 33 is arranged on the outer wall of the counter-pulling screw 31, a cushion block 11 is fixedly arranged at the joint of the side wall template 1 and the side wall steel bars 2, a rotating rod 35 is fixedly arranged at the right end of the counter-pulling screw 31, the rotating rod 35 is arranged in a thread-free square, the operation and screwing are convenient, the steel plate 21 is arranged as a galvanized steel plate, the grouting pipe 32 is a full-section pre-buried grouting pipe, the length can be accurately cut according to the actual requirement of a joint in site construction, special installation equipment is not needed, the grouting time can be randomly selected, when grouting is carried out in the grouting pipe under the action of pressure, grout can be uniformly filled in the whole pipe, permanent sealing can be ensured after grouting, welded row spacing positioning steel bars 23 are installed on side wall steel bars 2, galvanized steel plates are welded on the inner sides of the side wall steel bars 2, a bolt 22 is pre-processed on the steel plates, the full-section pre-buried grouting pipe is customized, the full-section pre-buried grouting pipe is sleeved on the bolt 22 and led to the outer part of a side wall template 1, a nut 34 is processed at the end part of the opposite-pull screw rod 31, the opposite-buried screw rod 31 penetrates through the full-section pre-buried grouting pipe and is screwed with the bolt 22 on the steel plate 21 in the clockwise direction, a rotating rod 35 in a thread-free square shape is processed at the other end part of the opposite-pull screw rod 31, convenient to operate and screw up, calculate according to the required protective layer thickness, do mark 33 to the corresponding position of screw rod 31, be convenient for screw up control protective layer thickness, when the screw rod was all twisted steel sheet bolt, the length at screw rod mark position equals survey steel bar diameter + reinforcing bar row spacing + side wall outside steel bar diameter + cushion + template thickness in the side wall, pour and accomplish the back counter-clockwise dismantlement and to screw rod 31, carry out the slip casting in order to guarantee its compactedness to slip casting pipe 32.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims (9)

1. The utility model provides an equipment of side wall reinforcing bar protective layer thickness and row apart from control, includes side wall template (1) and side wall reinforcing bar (2), side wall reinforcing bar (2) fixed mounting be in side wall template (1) side, its characterized in that still includes: the thickness control device (3) is arranged on the inner sides of the side wall template (1) and the side wall reinforcing steel bars (2), and the row spacing positioning reinforcing steel bars (23) are arranged on the surfaces of the side wall reinforcing steel bars (2);
thickness control device (3) are including slip casting pipe (32), slip casting pipe (32) are pegged graft side wall template (1) with inside side wall reinforcing bar (2), slip casting pipe (32) extend to side wall template (1) outside, side wall reinforcing bar (2) inboard welding steel sheet (21), steel sheet (21) right-hand member is equipped with bolt (22), slip casting pipe (32) cup joint bolt (22) outer wall, inside grafting of slip casting pipe (32) is to drawing screw rod (31), it is equipped with nut (34) to drawing screw rod (31) left end, nut (34) threaded connection bolt (22), it is equipped with mark (33) to drawing screw rod (31) outer wall.
2. The equipment for controlling the thickness and the row spacing of the side wall steel bar protection layer according to claim 1, wherein a cushion block (11) is fixedly arranged at the joint of the side wall template (1) and the side wall steel bar (2).
3. The device for controlling the thickness and the row spacing of the side wall steel bar protection layer according to claim 1, wherein a rotating rod (35) is fixedly installed at the right end of the counter-pulling screw rod (31).
4. The device for controlling the thickness and the row pitch of the side wall steel bar protection layer according to claim 3, wherein the rotating rod (35) is in a shape of a square without threads.
5. The device for controlling the thickness and the row spacing of the side wall steel bar protection layer according to claim 1, wherein the steel plate (21) is a galvanized steel plate.
6. The device for controlling the thickness and the row spacing of the side wall steel bar protection layer according to claim 1, wherein the outer diameter of the bolt (22) is 14MM-18 MM.
7. The device for controlling the thickness and the row spacing of the side wall steel bar protection layer according to claim 1, wherein the grouting pipe (32) is a full-section pre-buried grouting pipe.
8. The apparatus for controlling the thickness and the row spacing of the side wall steel reinforcement protective layer according to claim 1, wherein the inner diameter of the nut (34) is matched with the outer diameter of the bolt (22).
9. The device for controlling the thickness and the row spacing of the side wall steel bar protection layer according to claim 1, wherein the tightening direction of the counter-pulling screw rod (31) and the bolt (22) is clockwise.
CN202120609839.0U 2021-03-25 2021-03-25 Equipment for controlling thickness and row spacing of side wall steel bar protective layer Expired - Fee Related CN214696473U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120609839.0U CN214696473U (en) 2021-03-25 2021-03-25 Equipment for controlling thickness and row spacing of side wall steel bar protective layer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120609839.0U CN214696473U (en) 2021-03-25 2021-03-25 Equipment for controlling thickness and row spacing of side wall steel bar protective layer

Publications (1)

Publication Number Publication Date
CN214696473U true CN214696473U (en) 2021-11-12

Family

ID=78527169

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120609839.0U Expired - Fee Related CN214696473U (en) 2021-03-25 2021-03-25 Equipment for controlling thickness and row spacing of side wall steel bar protective layer

Country Status (1)

Country Link
CN (1) CN214696473U (en)

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Granted publication date: 20211112