CN211503927U - Reinforcing bar protective layer thickness detection device - Google Patents
Reinforcing bar protective layer thickness detection device Download PDFInfo
- Publication number
- CN211503927U CN211503927U CN202020290251.9U CN202020290251U CN211503927U CN 211503927 U CN211503927 U CN 211503927U CN 202020290251 U CN202020290251 U CN 202020290251U CN 211503927 U CN211503927 U CN 211503927U
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- detection device
- support piece
- steel
- thickness detection
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- 238000001514 detection method Methods 0.000 title claims abstract description 64
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 29
- 239000011241 protective layer Substances 0.000 title claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 63
- 239000010959 steel Substances 0.000 claims abstract description 63
- 239000010410 layer Substances 0.000 claims abstract description 52
- 230000007246 mechanism Effects 0.000 claims description 17
- 239000004033 plastic Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 230000002787 reinforcement Effects 0.000 claims description 7
- 238000010079 rubber tapping Methods 0.000 claims description 4
- 208000037656 Respiratory Sounds Diseases 0.000 abstract description 6
- 230000008439 repair process Effects 0.000 abstract description 4
- 230000001681 protective effect Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001915 proofreading effect Effects 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides a reinforcing bar protective layer thickness detection device, include: upper support piece, lower floor's support piece, connecting piece and detection piece, upper support piece with lower floor's support piece passes through connecting piece swing joint, just upper support piece with lower floor's support piece parallel arrangement, detection piece set up in lower floor's support piece's lower surface, just detection piece stretches out the height of lower floor's support piece's lower surface and the thickness phase-match of protective layer of reinforcing bar. The utility model discloses can be through naked eye direct observation protective steel bar layer thickness, work efficiency is high, still avoids the secondary to repair the crackle or bury down the potential safety hazard for follow-up operation stage because of the crackle, and simple structure, convenient to use.
Description
Technical Field
The utility model relates to a construction detects instrument technical field, particularly, relates to a protective layer of steel reinforcement thickness detection device.
Background
The high-speed railway ballastless track base plate is an important component in the construction of high-speed railways, and the quality of the base plate directly influences the safety of the operation of the high-speed railway. Crack control is the key of bed plate construction, and it is one of the main measures of preventing the bed plate crack to carry out accurate location to the reinforcing bar. The construction of the base plate has 6 base plates with the length of 32 meters due to the fact that the circulation times are large, and the concrete pouring range is long every time, so that how to quickly and comprehensively check the reinforcement protection layer of the base plate before concrete pouring is urgent to solve. In traditional construction, the steel bar protection layer is inspected by utilizing a double-faced adhesive tape elevation strip adhered to a side formwork and manually pulling a wire for spot inspection, so that the detection speed is low, and the construction efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a problem be present to the detection of protective layer of steel reinforcement adopt artifical stay wire to measure the spot check, and detection speed is slow, reduces the efficiency of construction.
In order to solve the above problem, the utility model provides a protective layer of steel reinforcement thickness detection device, include: upper support piece, lower floor's support piece, connecting piece and detection piece, upper support piece with lower floor's support piece passes through connecting piece swing joint, just upper support piece with lower floor's support piece parallel arrangement, detection piece set up in lower floor's support piece's lower surface, just detection piece stretches out the height of lower floor's support piece's lower surface and the thickness phase-match of protective layer of reinforcing bar.
Preferably, the bottom of the detection piece is provided with a plastic layer made of a plastic material, or the detection piece is made of the plastic material.
Preferably, the detection member is a rubber strip.
Preferably, the rubber strip is fixed to the lower surface of the lower support member by self-tapping screws, or a groove is formed in the lower surface of the lower support member and adapted to receive a portion of the rubber strip.
Preferably, the connecting piece comprises a screw and a nut, and the screw is connected with the upper layer supporting piece through the nut.
Preferably, the number of the screws is two or more, and the two or more screws are distributed at intervals along the direction parallel to the width of the track.
Preferably, the support device further comprises a travelling mechanism, and the travelling mechanism is arranged at the left end and the right end of the upper layer support piece.
Preferably, the traveling mechanism comprises walking pulleys, an intermediate part and a support steel pipe, the intermediate part is connected with the upper support part, the lower end of the intermediate part is connected with the support steel pipe, the bottom of the support steel pipe is connected with the two walking pulleys, and the two walking pulleys are arranged in parallel along the traveling direction of the track.
Preferably, the intermediate member includes steel plates and connecting steel pipes, the upper and lower surfaces of the upper layer support member are welded with two steel plates, and the lower layer is welded with the connecting steel pipes.
Preferably, running gear still includes limit structure, limit structure includes spacing pulley and connecting rod, spacing pulley butt in the track side, the upper end of connecting rod with upper support piece is connected, the lower extreme of connecting rod with spacing pulley is connected.
Compared with the prior art, the utility model, the beneficial effect who has as follows:
the utility model provides a steel bar protection layer thickness detection device can detect whether up to standard steel bar protection layer thickness through whether there is the gap between visual inspection detection piece lower surface and the reinforcing bar upper surface, and then accomplishes the detection of steel bar protection layer thickness before the cast concrete, has improved work efficiency, still avoids the secondary to repair the crackle or bury down the potential safety hazard for follow-up operation stage because of the crackle, just the utility model provides a steel bar protection layer thickness detection device simple structure, convenient to use.
Drawings
Fig. 1 is an overall structure diagram of a thickness detection device for a steel bar protection layer according to an embodiment of the present invention;
fig. 2 is a structural diagram of a routine travel mechanism according to the present invention.
Description of reference numerals:
1-upper support member; 2-a lower support; 3-a connector; 4-a detection member; 5-a traveling mechanism; 6-self-tapping screw; 31-a screw; 32-screw cap; 51-a walking pulley; 52-supporting the steel pipe; 53-a limiting pulley; 54-connecting rod.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
As shown in fig. 1 and 2, the embodiment of the utility model provides a thickness detection device for steel bar protection layer, include: upper support piece 1, lower floor's support piece 2, connecting piece 3 and detection piece 4, upper support piece 1 passes through connecting piece 3 swing joint with lower floor's support piece 2, and upper support piece 1 and lower floor's support piece 2 parallel arrangement, and detection piece 4 sets up in lower floor's support piece 2's lower surface, and detection piece 4 stretches out the height h of lower floor's support piece 2's lower surface and the thickness phase-match of steel bar protection layer.
In this embodiment, upper support piece 1, lower floor's support piece 2 and connecting piece 3 constitute the support frame, surface mounting detects 4 under lower support piece 2, and the height h that sets up the lower surface of detecting 4 apart from lower support piece 2's lower surface is unanimous with the thickness of steel bar protection layer, so, erect the support frame in ballastless track bed plate both sides, through the height of adjustment connecting piece 3 adjustment lower floor's support piece 2, make lower floor's support piece 2's lower surface flush with the design elevation, the so-called design elevation is the elevation of the base top surface after the concrete has been poured. Because the height h that detects 4 stretches out lower floor support piece 2 is unanimous with reinforcing bar protective layer thickness, consequently can detect whether up to standard reinforcing bar protective layer thickness through observing whether there is the gap between 4 lower surfaces of detecting and the reinforcing bar upper surface, and then accomplish the detection of reinforcing bar protective layer thickness before the cast concrete, avoid the secondary to repair the crackle or bury down the potential safety hazard for follow-up operation stage because of the crackle.
The thickness detection device for the steel bar protection layer is simple in structure and convenient to use, and can be used for quickly detecting the thickness of the steel bar protection layer after track elevation correction and before concrete pouring are finished through binding of a base steel reinforcement cage and formwork installation, so that the working efficiency is improved.
Further, the reinforcing bar protective layer thickness detection device also comprises a traveling mechanism 5, wherein the traveling mechanism 5 is arranged at two ends of the upper support piece 1, and the traveling track of the traveling mechanism 5 is determined by the track. When the device is used, the walking mechanism 5 walks along two sides of the track, the thickness condition of the protective layer is directly observed by naked eyes, and the detection efficiency is greatly improved.
For convenience of description, the direction parallel to the length direction of the rail is the front-back direction, wherein the direction of travel along the rail is the front, and vice versa, the direction parallel to the width direction of the rail is the left-right direction. The traveling mechanisms 5 are respectively fixed at the left end and the right end of the upper layer supporting piece 1, each traveling mechanism 5 comprises a walking pulley 51, a middle piece and a supporting steel pipe 52, the middle piece is connected with the upper layer supporting piece 1, the lower end of the middle piece is connected with the supporting steel pipe 52, the bottom of the supporting steel pipe 52 is connected with the two walking pulleys 51, and the two walking pulleys 51 are arranged in parallel in the front-back direction. Wherein, the middleware includes the steel sheet and connects the steel pipe, and two steel sheets of upper and lower surface welding of upper support piece 1, lower floor's steel sheet welded connection steel pipe.
Preferably, the traveling mechanism 5 further includes a limiting structure for limiting the traveling of the traveling pulley 51 along the length direction of the rail. The limiting structure comprises a limiting pulley 53 and a connecting rod 54, the limiting pulley 53 abuts against the side face of the track, the upper end of the connecting rod 54 is connected with the upper-layer supporting piece 1, and the lower end of the connecting rod 54 is connected with the limiting pulley 53.
Preferably, the upper layer support member 1 and the lower layer support member 2 are made of 50 × 3mm square steel, the connecting member 3 includes two or more screws 31, preferably 4 screws 31 of Φ 16mm, and the screws 31 are connected with the upper layer support member 1 through nuts 32 for adjustment.
Preferably, be flexible contact between the lower surface of detection piece 4 and the reinforcing bar upper surface, so, when avoiding reinforcing bar protective layer detection device to advance, the reinforcing bar surface damage that rigid contact caused between detection piece and the reinforcing bar or cause the detection interrupt because of collision and interference between detection piece and the reinforcing bar. In one embodiment, a plastic layer is disposed at the bottom of the detecting member 4, and the plastic layer is made of a plastic material, and the lower surface of the plastic layer is the lower surface of the detecting member 4. In another embodiment, the detecting member is made of a plastic material, preferably a rubber strip, and it should be understood that, in use, when the thickness of the reserved steel bar protection layer (i.e. the distance between the lower surface of the detecting member and the upper surface of the steel bar) is detected to be greater than the preset thickness of the steel bar protection layer, a gap between the detecting member 4 and the steel bar can be observed by naked eyes; when detecting that the reinforcing bar protective layer thickness of reserving is less than the reinforcing bar protective layer and predetermines the thickness, adopt the detection piece that this kind of plastic material of rubber strip made to compare the detection piece that adopts rigid material to make, reinforcing bar protective layer detection device can not block because of the collision between detection piece and the reinforcing bar, simultaneously, because the friction increase between rubber strip and the reinforcing bar, consequently the user can judge whether up to standard the reinforcing bar protective layer thickness of this part reservation according to the application of force size to running gear, can not influence the detection effect. The rubber strip is attached to the lower surface of the lower support member 2, and in one embodiment, the rubber strip is fixed to the bottom of the lower support member 2 by self-tapping screws 6. In other modes, a groove suitable for accommodating a part of the rubber strip can be formed in the lower surface of the lower-layer support member 2, so that the height h of the rubber strip extending out of the lower surface of the lower-layer support member 2 is consistent with the thickness of the steel bar protection layer. Preferably, the thickness of the steel bar protection layer is 35mm, that is, the height h of the rubber strip extending out of the lower surface of the lower support 2 is 35 mm.
During the use, accomplish the track elevation after proofreading at base steel reinforcement cage ligature, template installation, adopt reinforcing bar protective layer thickness detection device to detect along the base fore-and-aft direction, specifically do: the steel bar protection layer thickness detection device is erected on two sides of a track, the lower surface of lower-layer square steel is aligned with a designed elevation through adjusting a nut 32, a travelling mechanism 5 travels along two sides of the track to observe whether the lower surface of a rubber strip on the lower-layer square steel is attached to or aligned with a steel bar net, three positions are detected every meter along the front-back direction of a base, and a left detection point, a middle detection point and a right detection point are respectively detected every position.
The reinforcing bar protective layer thickness detection device that this embodiment provided can reduce artifical chi volume process at walking in-process naked eye direct observation protective layer thickness. The pulley is adopted to move back and forth along the track, so that the labor is saved, and the long-time operation is facilitated. The used materials are steel plates and square steel, the materials are easy to obtain, and the cost is saved.
According to the embodiment, the thickness of the steel bar protection layer on the top surface of the base plate of the ballastless track of the high-speed railway can be obviously controlled, the concrete quality is greatly improved, completion inspection is facilitated, and potential safety hazards caused by secondary crack repair or burying of cracks in subsequent operation stages are avoided. In addition, the detection device is low in cost, easy to process and convenient to use, materials required by the reinforcing tool and the reinforcing tool are frequently used in a construction site, the processing is simple, the construction speed is high, and the control is facilitated.
Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to fall within the scope of the present disclosure.
Claims (10)
1. The utility model provides a reinforcing bar protective layer thickness detection device which characterized in that includes: upper support piece (1), lower floor's support piece (2), connecting piece (3) and detection piece (4), upper support piece (1) with lower floor's support piece (2) pass through connecting piece (3) swing joint, just upper support piece (1) with lower floor's support piece (2) parallel arrangement, detection piece (4) set up in the lower surface of lower floor's support piece (2), just detection piece (4) stretch out the height of the lower surface of lower floor's support piece (2) and the thickness phase-match of reinforcing bar protective layer.
2. The thickness detection device of the steel bar protection layer is characterized in that a plastic layer is arranged at the bottom of the detection piece (4), and is made of a plastic material, or the detection piece is made of the plastic material.
3. The thickness detection device of the steel bar protection layer according to claim 2, wherein the detection member (4) is a rubber strip.
4. The thickness detection device of the steel bar protection layer according to claim 3, wherein the rubber strip is fixed on the lower surface of the lower layer support member (2) through a self-tapping screw (6), or a groove is formed on the lower surface of the lower layer support member (2), and the groove is suitable for accommodating a part of the rubber strip.
5. The thickness detection device of the steel bar protection layer according to claim 1, wherein the connecting piece (3) comprises a screw rod (31) and a nut (32), and the screw rod (31) is connected with the upper support piece (1) through the nut (32).
6. The thickness detection device of the steel bar protection layer according to claim 5, wherein the number of the screw rods (31) is two or more, and the two or more screw rods (31) are distributed at intervals along a direction parallel to the width of the track.
7. The thickness detection device of the steel bar protection layer according to claim 1, further comprising traveling mechanisms (5), wherein the traveling mechanisms (5) are disposed at left and right ends of the upper support member (1).
8. The reinforcement protection layer thickness detection device according to claim 7, wherein the traveling mechanism (5) comprises a traveling block (51), an intermediate member and a support steel pipe (52), the intermediate member is connected with the upper support member (1), the lower end of the intermediate member is connected with the support steel pipe (52), the bottom of the support steel pipe (52) is connected with two traveling blocks (51), and the two traveling blocks (51) are arranged in parallel along a track traveling direction.
9. The thickness detection device of the steel bar protection layer according to claim 8, wherein the intermediate member comprises steel plates and connecting steel pipes, the upper and lower surfaces of the upper layer support member (1) are welded with two steel plates, and the lower layer steel plate is welded with the connecting steel pipes.
10. The steel bar protection layer thickness detection device according to claim 7, wherein the traveling mechanism (5) further comprises a limiting structure, the limiting structure comprises a limiting pulley (53) and a connecting rod (54), the limiting pulley (53) abuts against the side face of the track, the upper end of the connecting rod (54) is connected with the upper layer support member (1), and the lower end of the connecting rod (54) is connected with the limiting pulley (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020290251.9U CN211503927U (en) | 2020-03-11 | 2020-03-11 | Reinforcing bar protective layer thickness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020290251.9U CN211503927U (en) | 2020-03-11 | 2020-03-11 | Reinforcing bar protective layer thickness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211503927U true CN211503927U (en) | 2020-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020290251.9U Expired - Fee Related CN211503927U (en) | 2020-03-11 | 2020-03-11 | Reinforcing bar protective layer thickness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211503927U (en) |
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2020
- 2020-03-11 CN CN202020290251.9U patent/CN211503927U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200915 |