CN214005384U - Device of control bridge pier column steel bar protective layer thickness - Google Patents
Device of control bridge pier column steel bar protective layer thickness Download PDFInfo
- Publication number
- CN214005384U CN214005384U CN202022816531.1U CN202022816531U CN214005384U CN 214005384 U CN214005384 U CN 214005384U CN 202022816531 U CN202022816531 U CN 202022816531U CN 214005384 U CN214005384 U CN 214005384U
- Authority
- CN
- China
- Prior art keywords
- steel bar
- protective layer
- nut
- bolt
- pier stud
- Prior art date
- 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.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 65
- 239000010959 steel Substances 0.000 title claims abstract description 65
- 239000011241 protective layer Substances 0.000 title claims abstract description 54
- 239000010410 layer Substances 0.000 claims abstract description 35
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 27
- 230000002787 reinforcement Effects 0.000 claims abstract description 11
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 206010063659 Aversion Diseases 0.000 description 1
- 206010024796 Logorrhoea Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a device for controlling the thickness of a protective layer of a steel bar of a pier stud of a bridge; the bridge pier comprises a bridge pier column body, a steel bar protection layer, a cylindrical steel template and a bolt; the outer side of the bridge pier column body is provided with steel bar protection layers at intervals; the reinforcing steel bar protective layer corresponds to the inner surface of the cylindrical steel template; fixing grooves are distributed on the reinforcing steel bar protection layer, one end of the bolt is positioned in the fixing grooves of the reinforcing steel bar protection layer, and the other end of the bolt is connected with a longitudinal main reinforcement of a reinforcing steel bar cage of the pier stud through an inner side nut and an outer side nut; positioning grooves are formed in two sides of the inside of the fixing groove; the inner side end of the bolt is fixedly provided with a positioning column. The utility model discloses a combination of each other of above-mentioned parts, the effectual structural strength who improves fixed position, stability can be higher, but the efficient stretch out and draw back tight fixed position, has prevented that prior art from using the problem that leads to droing for a long time, has improved the tightness, and antiskid is wear-resisting, and is reliable and stable, can guarantee that protective layer thickness is unanimous, convenient to use, and is with low costs, has better practical value.
Description
Technical Field
The utility model relates to a highway bridge pier stud construction technical field, specifically concrete device that is a control bridge pier stud steel reinforcement protective layer thickness that relates to.
Background
Along with the rapid development of the traffic infrastructure in China, the construction scale of the bridge is gradually enlarged, higher requirements are put forward on the quality and the use durability of the bridge structure, and the control requirement on the thickness of the pier stud steel bar protective layer of the bridge is more accurate and strict.
Found through the retrieval, application number CN 201620445974.5's utility model discloses a device of control bridge pier column reinforcing bar protective layer thickness belongs to municipal works construction technical field. The utility model comprises a screw rod and a nut matched with the screw rod; the length of the screw rod is greater than the thickness of the protective layer; the upper end of the screw cap is fixed with a sealing head, the interior of the sealing head is hollow, and the inner wall of the sealing head is provided with threads matched with the screw rod. The utility model is convenient to ensure verticality by welding the stainless steel screw rod with the steel reinforcement framework; and after welding, checking the leakage length, finally screwing the screw cap, finely adjusting, and adjusting the distance from the surface of the steel reinforcement framework to the tail end of the sealing head to be equal to the thickness of the protective layer. The installation is accomplished the back and is detected, finely tunes to the unqualified nut of protective layer, has the controllability. The construction progress and the engineering quality can be improved exponentially, and the method has good social and economic benefits and has popularization value in the construction of the pier stud of the urban bridge.
On the other hand, the control of current bridge pier stud steel bar protective layer thickness adopts concrete cushion control usually, and on the one hand cushion self size precision is not high, and on the other hand cushion probably is extruded breakage in the work progress, and adopts the fixed cushion of ligature silk, and the cushion easily takes place to extrude, shift etc. in the work progress, and these all will lead to pier stud steel bar protective layer thickness inconsistent. According to the standard requirement, the thickness error of the pier stud steel bar protective layer is not more than 10mm, and the qualification rate of the pier stud protective layer to reach 80% is difficult to meet.
SUMMERY OF THE UTILITY MODEL
The utility model is not enough to prior art, the utility model provides a device of control bridge pier stud steel protection layer thickness, the adoption cushion control pier stud steel protection layer thickness has been solved, the cushion is probably garrulous in the work progress, adopt and prick the fixed cushion of silk, the cushion is easily shifted by the extrusion in the work progress and leads to pier stud steel protection layer thickness control inconsistent, the guarantee pier stud steel protection layer thickness homogeneous everywhere that can not be nimble, long-time the use can lead to coming off, short service life, the tightness is low, it is inconvenient to use, problem with high costs, better practical value has.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a device of control bridge pier stud steel bar protective layer thickness which characterized in that: the device comprises a bridge pier column body, a steel bar protection layer, a cylindrical steel template and a bolt; reinforcing steel bar protection layers are arranged on the outer side of the bridge pier stud body at intervals; the reinforcing steel bar protective layer corresponds to the inner surface of the cylindrical steel template; fixing grooves are distributed on the reinforcing steel bar protection layer, one end of a bolt is positioned in the fixing grooves of the reinforcing steel bar protection layer, and the other end of the bolt is connected with a longitudinal main reinforcement of a reinforcing steel bar cage of the pier stud through an inner side nut and an outer side nut; positioning grooves are formed in two sides of the inside of the fixing groove; a positioning column is fixedly arranged at the inner side end of the bolt, fixed warheads are arranged on two sides of the end part of the positioning column, and a rubber pad is bonded at the inner side end of the inner side nut; bolts corresponding to the same group of steel bar protection layers are connected through arc-shaped connecting plates; the two groups of arc-shaped connecting plates are provided, and the inner side screw caps and the outer side screw caps respectively correspond to the outer sides of the two groups of arc-shaped connecting plates; protective layer cushion is probably broken in the work progress, adopts the fixed cushion of ligature silk, and the easy pier stud reinforcing bar protective layer thickness control inaccuracy that leads to such as aversion of extrusion of cushion in the work progress, in addition, cushion thickness can not be adjusted, can not nimble regulation pier stud reinforcing bar protective layer thickness homogeneous everywhere, long-time the use probably leads to droing, and the life-span is short, and the anchorage is low, and is inconvenient to use, and the cost is higher, the utility model discloses a combination of each other of above-mentioned parts, the effectual structural strength who improves fixed position, stability can be higher, but the efficient stretches out the tight position of fastening, has prevented that prior art from using the problem that leads to droing for a long time, has improved the anchorage, and antiskid is wear-resisting, and is reliable and stable, can guarantee that protective layer thickness is unanimous, convenient to use, with low costs.
According to a control bridge pier stud steel bar protective layer thickness's device, its characterized in that: the steel bar protection layer is a protection layer cushion block.
According to a control bridge pier stud steel bar protective layer thickness's device, its characterized in that: the inner side nut and the outer side nut are of outer hexagonal structures, and thread groove through holes are formed in the inner sides of the inner side nuts and are in threaded connection with the outer ends of the bolts; the nut is conveniently and directly fixed outside the bolt through the thread groove through hole on the inner side of the nut.
According to a control bridge pier stud steel bar protective layer thickness's device, its characterized in that: the arc-shaped connecting plate is a split type carbon steel plate structure and is firm and durable.
According to a control bridge pier stud steel bar protective layer thickness's device, its characterized in that: spring pieces are welded and filled in the fixed warhead, and the outer end part of the fixed warhead is of an arc-shaped structure; the elasticity performance is high, directly is fixed in the fixed slot.
According to a control bridge pier stud steel bar protective layer thickness's device, its characterized in that: the working principle of the device is as follows: in the fixing groove, the bolts are distributed corresponding to the reinforcing steel bar protection layer, and the fixing bullets at two sides of the end part of the positioning column at the inner side end of each bolt are stretched and fastened for fixing through the positioning grooves at two sides inside the fixing groove, so that the problem of falling off caused by long-time use in the prior art is solved; the inner nut and the outer nut are fixed outside the bolt through the thread groove through holes on the inner sides of the inner nut and the outer nut, so that the fastening degree is improved; a rubber pad is bonded at the inner side end of the inner nut to prevent slipping and resist wear; the thickness of the protective layer is consistent by arranging the steel bar protective layer cushion blocks on the cylindrical steel reinforcement cage framework according to a certain interval.
The utility model has the advantages that; the utility model provides a device for controlling the thickness of a protective layer of a steel bar of a pier stud of a bridge; the method has the following beneficial effects: the embodiment of the utility model provides a device for controlling the thickness of a steel bar protective layer of a bridge pier stud, which comprises a bridge pier stud body, a steel bar protective layer, a cylindrical steel template and a bolt; reinforcing steel bar protection layers are arranged on the outer side of the bridge pier stud body at intervals; the reinforcing steel bar protective layer corresponds to the inner surface of the cylindrical steel template; fixing grooves are distributed on the reinforcing steel bar protection layer, one end of a bolt (the bolt can also be implemented by adopting a screw rod with external threads) is positioned in the fixing grooves of the reinforcing steel bar protection layer, and the other end of the bolt is connected with a longitudinal main reinforcement of a reinforcing steel bar cage of the pier stud through an inner side nut and an outer side nut; positioning grooves are formed in two sides of the inside of the fixing groove; a positioning column is fixedly arranged at the inner side end of the bolt, fixed warheads are arranged on two sides of the end part of the positioning column, and a rubber pad is bonded at the inner side end of the inner side nut; bolts corresponding to the same group of steel bar protection layers are connected through arc-shaped connecting plates; the arc connecting plates are divided into two groups, and the inner side screw cap and the outer side screw cap respectively correspond to the outer sides of the two groups of arc connecting plates. The utility model discloses a combination of each other of above-mentioned parts, the effectual structural strength who improves fixed position, stability can be higher, but the efficient stretch out and draw back tight fixed position, has prevented that prior art from using the problem that leads to droing for a long time, has improved the tightness, and antiskid is wear-resisting, and is reliable and stable, can guarantee that protective layer thickness is unanimous, convenient to use, and is with low costs, has better practical value.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the positioning portion of the present invention;
fig. 3 is a schematic view of the nut of the present invention.
Wherein: bridge pier stud body 1, reinforcing bar protective layer 2, cylinder steel formwork 3, bolt 4, fixed slot 5, inboard nut 6, outside nut 7, rubber pad 8, arc connecting plate 9, the vertical main muscle 10 of steel reinforcement cage of pier stud, reference column 11, constant head tank 12, fixed warhead 13, cylindrical steel formwork internal surface 14, thread groove through-hole 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model provides a device for controlling the thickness of a bridge pier stud steel bar protective layer, as shown in fig. 1-3, can be implemented as follows; the device comprises a bridge pier column body 1, a reinforcing steel bar protection layer 2, a cylindrical steel template 3 and a bolt 4; the outer side of the bridge pier column body 1 is provided with steel bar protection layers 2 at intervals; the reinforcing steel bar protection layer 2 corresponds to the inner surface of the cylindrical steel template 3; fixing grooves 5 are distributed in the reinforcing steel bar protection layer 2, one end of a bolt 4 (the bolt 4 can also be implemented by adopting a screw rod with an external thread) is positioned in the fixing groove 5 of the reinforcing steel bar protection layer 2, and the other end of the bolt is connected with a longitudinal main reinforcement 10 of a reinforcing steel bar cage of the pier stud through an inner nut 6 and an outer nut 7; positioning grooves 12 are formed in two sides of the inside of the fixing groove 5; a positioning column 11 is fixedly arranged at the inner side end of the bolt 4, fixing elastic heads 13 are arranged on two sides of the end part of the positioning column 11, and a rubber pad 8 is bonded at the inner side end of the inner side nut 6; bolts 4 corresponding to the same group of steel bar protection layers 2 are connected through an arc-shaped connecting plate 9; the arc connecting plates 9 are two groups, and the inner side screw cap 6 and the outer side screw cap 7 respectively correspond to the outer sides of the two groups of arc connecting plates 9. Because the existing protective layer cushion block is likely to be broken in the construction process, the cushion block is fixed by binding wires, the thickness of the pier column steel bar protective layer is controlled differently due to the fact that the cushion block is easy to extrude and shift in the construction process, and in addition, the thickness of each pier column steel bar protective layer cannot be flexibly adjusted to be uniform, the pier column steel bar protective layer can fall off after being used for a long time, the service life is short, the tightness is low, the use is inconvenient, and the cost is high; so the utility model discloses an improve, through the combination of each other of above-mentioned parts, the effectual structural strength who improves fixed position, stability can be higher, but the efficient stretch out and draw back tight fixed position, prevented that prior art from using the problem that leads to droing for a long time, improved the tightness, antiskid is wear-resisting, and is reliable and stable, can guarantee that protective layer thickness is unanimous, convenient to use, and is with low costs.
A device of control bridge pier column steel bar protective layer thickness during implementation, steel bar protective layer 2 is the protective layer cushion.
When the device for controlling the thickness of the protective layer of the steel bar of the bridge pier stud is implemented, the inner side screw cap 6 and the outer side screw cap 7 are of an outer hexagonal structure, the inner side of the inner side screw cap is provided with the thread groove through hole 15, and the thread groove through hole 15 is in threaded connection with the outer end of the bolt 4; the nut is conveniently and directly fixed outside the bolt through the thread groove through hole on the inner side of the nut.
A device of control bridge pier column steel bar protective layer thickness during implementation, arc connecting plate 9 is split type carbon steel plate structure, intensity is high, and hardness is big, sturdy and durable.
When the device for controlling the thickness of the steel bar protective layer of the bridge pier stud is implemented, the spring piece is welded and filled in the fixed bullet 13, and the outer end part of the fixed bullet 13 is of an arc structure; the elasticity performance is high, directly is fixed in fixed slot 5.
When the device for controlling the thickness of the protective layer of the reinforcing steel bar of the pier stud of the bridge is implemented; the bolts 4 are distributed in the fixing grooves 5 corresponding to the reinforcing steel bar protection layers 2, and are telescopically fastened and positioned through positioning grooves 12 on two sides inside the fixing grooves 5 and fixing elastic heads 13 on two sides of the end positioning columns 11 on the inner side of the bolts 4, so that the problem of falling off caused by long-time use in the prior art is solved; the inner nut 6 and the outer nut 7 are fixed outside the bolt 4 through the thread groove through hole 10 on the inner side of the inner nut, so that the fastening degree is improved; a rubber pad 8 is bonded at the inner side end of the inner side screw cap 6 to prevent slipping and resist wear; the thickness of the protective layer is consistent by arranging the steel bar protective layer cushion blocks on the cylindrical steel reinforcement cage framework according to a certain interval.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. The utility model provides a device of control bridge pier stud steel bar protective layer thickness which characterized in that: the device comprises a bridge pier column body (1), a steel bar protection layer (2), a cylindrical steel template (3) and a bolt (4); reinforcing steel bar protection layers (2) are arranged on the outer side of the bridge pier column body (1) at intervals; the reinforcing steel bar protection layer (2) corresponds to the inner surface of the cylindrical steel template (3); fixing grooves (5) are distributed on the reinforcing steel bar protection layer (2), one end of a bolt (4) is positioned in the fixing groove (5) of the reinforcing steel bar protection layer (2), and the other end of the bolt is connected with a longitudinal main reinforcement (10) of a reinforcing steel bar cage of the pier stud through an inner nut (6) and an outer nut (7); positioning grooves (12) are formed in two sides of the inside of the fixing groove (5); a positioning column (11) is fixedly arranged at the inner side end of the bolt (4), two sides of the end part of the positioning column (11) are provided with fixed bullets (13), and the inner side end of the inner side nut (6) is bonded with a rubber pad (8); bolts (4) corresponding to the same group of steel bar protection layers (2) are connected through arc-shaped connecting plates (9); the two groups of arc-shaped connecting plates (9) are provided, and the inner side screw cap (6) and the outer side screw cap (7) are respectively corresponding to the outer sides of the two groups of arc-shaped connecting plates (9).
2. The device of claim 1, wherein the device is configured to control the thickness of the protective layer of the pier stud steel bar, and comprises: the steel bar protection layer (2) is a protection layer cushion block.
3. The device of claim 1, wherein the device is configured to control the thickness of the protective layer of the pier stud steel bar, and comprises: the inner nut (6) and the outer nut (7) are of outer hexagonal structures, thread groove through holes (15) are formed in the inner sides of the inner nut and the outer nut, and the thread groove through holes (15) are in threaded connection with the outer ends of the bolts (4); the nut is conveniently and directly fixed outside the bolt through the thread groove through hole on the inner side of the nut.
4. The device of claim 1, wherein the device is configured to control the thickness of the protective layer of the pier stud steel bar, and comprises: the arc-shaped connecting plate (9) is of a split carbon steel plate structure and is firm and durable.
5. The device of claim 1, wherein the device is configured to control the thickness of the protective layer of the pier stud steel bar, and comprises: spring pieces are welded and filled in the fixed warhead (13), and the outer end part of the fixed warhead (13) is of an arc-shaped structure; the elasticity is high, and the fixing groove (5) is directly fixed in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022816531.1U CN214005384U (en) | 2020-11-30 | 2020-11-30 | Device of control bridge pier column steel bar protective layer thickness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022816531.1U CN214005384U (en) | 2020-11-30 | 2020-11-30 | Device of control bridge pier column steel bar protective layer thickness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214005384U true CN214005384U (en) | 2021-08-20 |
Family
ID=77308037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022816531.1U Active CN214005384U (en) | 2020-11-30 | 2020-11-30 | Device of control bridge pier column steel bar protective layer thickness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214005384U (en) |
-
2020
- 2020-11-30 CN CN202022816531.1U patent/CN214005384U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110344340B (en) | Reinforcing device for reinforcing pier by cofferdam-free underwater cross section increasing method and construction method thereof | |
| CN214005384U (en) | Device of control bridge pier column steel bar protective layer thickness | |
| CN112376556A (en) | Prestressed concrete hollow square pile | |
| CN109838038B (en) | Prestressed composite bar composite anchorage and forming method thereof | |
| CN105937306A (en) | Apparatus and method for reinforcing column by prestressed fiber sheet | |
| CN219952744U (en) | Prestressing force carbon fiber tendon stretching device based on one-way SMA | |
| CN211948525U (en) | Device for screwing in self-locking opposite-pulling type fixed bearing platform template by torque | |
| CN212201019U (en) | Novel concrete combination post | |
| CN109899098A (en) | A kind of antidetonation pressure limiting anchor pole anchor head | |
| CN211596467U (en) | Road and bridge crack repairing and fixing structure | |
| CN217710382U (en) | Bridge cracking rear combination reinforcing apparatus | |
| CN215486040U (en) | Supporting device for bottom of formed duct piece | |
| CN215568529U (en) | External reinforcing device for prestressed steel cylinder concrete pipe | |
| CN219793609U (en) | Glass fiber sleeve displacement-preventing fixing structure for square pier | |
| CN209943295U (en) | Can improve chemical crab-bolt for building of anchoring power | |
| CN220014472U (en) | Opposite-pull bolt for controlling reinforcement protection layer | |
| CN217629239U (en) | Hard bottom highway pavement laminated structure | |
| CN211498320U (en) | Bulge freezing clamp plate for nondestructive reinforcement of steel rail welding seam | |
| CN202825679U (en) | Novel stud loading and unloading fixture | |
| CN209164253U (en) | A kind of no-welding type anti-corrosion connection sleeve for rail traffic | |
| CN219158179U (en) | High-strength prestressed anchorage device | |
| CN210086083U (en) | Connecting device for anchoring traction type hanging basket | |
| CN219311603U (en) | Sinking type pedestal construction device | |
| CN209441533U (en) | A kind of anti-skidding gear shift pedal | |
| CN214769873U (en) | Mould for assembling PC steel pipe pile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |