CN209942846U - Quick positioner of portable tunnel lining reinforcing bar - Google Patents
Quick positioner of portable tunnel lining reinforcing bar Download PDFInfo
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- CN209942846U CN209942846U CN201920621489.2U CN201920621489U CN209942846U CN 209942846 U CN209942846 U CN 209942846U CN 201920621489 U CN201920621489 U CN 201920621489U CN 209942846 U CN209942846 U CN 209942846U
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- reinforcing bar
- steel bar
- tunnel lining
- portal frame
- brace
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Abstract
The utility model relates to a quick positioner of portable tunnel lining reinforcing bar, include and consolidate the portal frame that props and crossbeam is consolidated through the rack, portal frame bottom is equipped with a plurality of removal pulleys, is equipped with a plurality of stulls or erects the brace on each operation platform of portal frame, and the end of stull and erects the brace is equipped with telescopic hydraulic cylinder, installs the reinforcing bar vaulting pole on vertical one row of telescopic hydraulic cylinder's in tunnel end, is equipped with a plurality of slidingtype reinforcing bar interval locator cards on the reinforcing bar vaulting pole. The utility model discloses can make tunnel lining reinforcing bar construction reach swift, convenient, high-efficient, accurate purpose, make the construction quality of the interlamellar spacing of lining cutting reinforcing bar obtain guaranteeing.
Description
Technical Field
The utility model relates to a tunnel construction field particularly, relates to a quick positioner of portable tunnel lining reinforcing bar.
Background
In the construction of tunnel engineering with poor surrounding rock, the accurate positioning of the space between two lining steel bar layers is always a difficult problem for restricting the quality of two lining construction. At present, two common steel bar lining constructions generally adopt a trolley for construction, and the trolley structure is very simple, namely, the trolley plays a role of providing a shelf operation platform for workers. At present, the mode of positioning ribs is mostly adopted for reinforcing steel bar binding and positioning, the waterproof layer is easy to puncture if the operation is not good, the reinforcing steel bars of 20-30m are difficult to accurately position through manpower, the reinforcing steel bars on one side of primary support are often pressed on the waterproof layer due to deformation, so that the protective layer is not arranged when concrete is poured, the space between the reinforcing steel bar protective layer on the inner side of a tunnel clearance and the two layers of reinforcing steel bars is difficult to control, and the construction quality of the reinforcing steel bars of the secondary lining at the position is poor. The phenomenon generally exists in the prior art at present, and becomes a common fault and hidden trouble of tunnel engineering quality.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned technical problem among the correlation technique, the utility model provides a quick positioner of portable tunnel lining reinforcing bar can make tunnel lining reinforcing bar construction reach swift, convenient, high-efficient, accurate purpose, makes the construction quality of the interlamellar spacing of lining cutting reinforcing bar obtain guaranteeing.
In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:
the design is a movable tunnel lining reinforcing steel bar quick positioning device, which comprises a portal rack reinforced by a rack reinforcing support and a crossbeam, wherein the bottom of the portal rack is provided with a plurality of movable pulleys, the portal rack is provided with four layers of operation platforms, each layer, each operation platform is provided with a plurality of cross braces, a top layer, the top layer operation platform is provided with a plurality of vertical supports, the cross braces and the ends of the vertical supports are provided with telescopic hydraulic oil cylinders, a row of reinforcing steel bar support rods are longitudinally arranged on the ends of the telescopic hydraulic oil cylinders along a tunnel, and a plurality of sliding type reinforcing steel bar interval positioning cards are arranged on the reinforcing steel bar support rods.
Preferably, the number of the movable pulleys is four, and the movable pulleys are respectively positioned at four corners of the bottom of the portal frame.
Preferably, the ends of the cross braces and the vertical braces on the same vertical plane are connected into an arc shape adapting to the shape of the tunnel.
Preferably, the cross brace is parallel to the bottom surface, and the vertical brace is perpendicular to the bottom surface.
Preferably, the steel bar support rod is perpendicular to the cross brace, and the steel bar support rod is perpendicular to the vertical brace.
Preferably, the telescopic direction of the telescopic hydraulic oil cylinder is consistent with the direction of a cross brace or a vertical brace where the telescopic hydraulic oil cylinder is located.
Preferably, the main body frame of the door type rack is made of I18I-shaped steel.
The utility model has the advantages that:
1. the lining reinforcing steel bar positioning rack device is fast to manufacture. The hydraulic support is manufactured by a rack, a hydraulic oil cylinder, a support rod and a positioning clamp, and has the advantages of fast processing, simple operation, low cost, high construction efficiency and short field installation and disassembly time.
2. And (5) positioning and forming the steel bars at one time. In every layer of lining cutting reinforcing bar is directly blocked in the positioning fixture, the location is accurate and fast, and the interlamellar spacing of reinforcing bar can both be guaranteed, has improved the location work efficiency of lining cutting reinforcing bar.
3. The movement is convenient. The door type rack is provided with the pulleys, is convenient to move, and can flexibly move forwards along with the pushing of the construction of the two lining steel bars.
4. The number of operators is small. Only one technician is needed to operate the positioning.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required 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 of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a mobile tunnel lining reinforcing steel bar quick positioning device according to the embodiment of the present invention.
Fig. 2 is according to the utility model discloses a portable tunnel lining reinforcing bar quick positioner's side view schematic diagram.
In the figure: 1. a door-type rack; 2. a movable pulley; 3. a rack reinforcing support; 4. a cross beam; 5. a cross brace; 51. vertically supporting; 6. a telescopic hydraulic oil cylinder; 7. a steel bar brace rod; 8. a sliding type steel bar spacing positioning clamp; 9. and (6) lining the steel bars.
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 all belong to the protection scope of the present invention.
As shown in fig. 1-2, according to the embodiment of the utility model discloses a quick positioner of portable tunnel lining reinforcing bar, include and consolidate 3 and the 4 reinforced gate-type rack 1 of crossbeam through the rack, 1 bottom of gate-type rack is equipped with a plurality of removal pulleys 2, be equipped with a plurality of stulls 5 or erects 51 on 1 each work platform of gate-type rack, stull 5 is equipped with telescopic hydraulic cylinder 6 with erects 51 end, along the tunnel vertically with one row install steel bar brace 7 on telescopic hydraulic cylinder 6's the end, be equipped with a plurality of slidingtype steel bar interval location fixture 8 on the steel bar brace 7.
In the preferred embodiment, the number of the movable pulleys 2 is four, and the movable pulleys are respectively positioned at four corners of the bottom of the portal frame 1, so that the gantry frame is convenient to move and disassemble.
In the preferred embodiment, the ends of the wales 5 and the vertical struts 51 on the same vertical plane are connected to form an arc shape adapted to the shape of the tunnel, so that the constructed lining steel bars also keep the arc shape adapted to the shape of the tunnel.
In the preferred embodiment, the wales 5 are parallel to the bottom surface, and the wales 51 are perpendicular to the bottom surface.
In the preferred embodiment, the steel bar support 7 is perpendicular to the cross brace 5, and the steel bar support 7 is perpendicular to the vertical brace 51.
In the preferred embodiment, the telescopic direction of the telescopic hydraulic oil cylinder 6 is consistent with the direction of the cross brace 5 or the vertical brace 51 on which the telescopic hydraulic oil cylinder is arranged.
In the preferred embodiment, the main frame of the door-type gantry 1 is made of I18I-steel, the door-type gantry 1 is provided with four layers of operation platforms, and the vertical support 51 is arranged on the top layer of operation platform.
For the convenience of understanding the above technical solutions of the present invention, the above technical solutions of the present invention are explained in detail through specific use modes below.
When the device is used in concrete, after the device for positioning the tunnel lining reinforcing steel bars is assembled, the device is moved to the initial position of a mould of lining reinforcing steel bars 9 to be constructed through a pulley, the position of the laying-out outer layer lining reinforcing steel bars 9 is measured, a switch of a telescopic hydraulic oil cylinder 6 is started, a reinforcing steel bar support rod 7 is pushed to the accurate positioning position of the lining reinforcing steel bars 9, the distance of a sliding type reinforcing steel bar distance positioning fixture 8 on the reinforcing steel bar support rod 7 is adjusted according to the distance of the lining reinforcing steel bars 9 and is fixed, the lining reinforcing steel bars 9 are transported upwards one by one from one side of a portal frame 1, after the lining reinforcing steel bars 9 are looped along an arch ring by the elasticity of the lining reinforcing steel bars 9, the lining reinforcing steel bars 9 are directly clamped into the fixed sliding type reinforcing steel bar distance positioning fixture 8 layer by layer, after the outer layer lining reinforcing steel bars 9 are, repeat above-mentioned outer lining cutting reinforcing bar 9 and execute the step, accomplish that inner lining cutting reinforcing bar 9 executes and does, then execute between two-layer lining cutting reinforcing bar 9 and erect the muscle, make two-layer reinforcing bar have better wholeness, contract telescopic hydraulic cylinder 6 at last, withdraw reinforcing bar vaulting pole 7, with portal frame 1 forward movement to next construction point. The lining reinforcing steel bars constructed in this way can ensure the layer distance and the space of the tunnel lining reinforcing steel bars 9, and can also ensure the thickness of the protective layer of the lining reinforcing steel bars 9 through measurement and positioning, so that the construction efficiency of the lining reinforcing steel bars 9 is greatly improved.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a quick positioner of portable tunnel lining reinforcing bar, includes and props portal frame (1) of (3) and crossbeam (4) reinforcement through the rack reinforcement, its characterized in that, portal frame (1) bottom is equipped with a plurality of movable pulley (2), portal frame (1) is equipped with four layers of operation platform, each layer be equipped with a plurality of stulls (5), top layer on the operation platform be equipped with a plurality of erects and prop (51), stull (5) are equipped with telescopic hydraulic cylinder (6) with the end of erectting (51), vertically with one row along the tunnel install reinforcing bar vaulting pole (7) on the end of telescopic hydraulic cylinder (6), be equipped with a plurality of slidingtype reinforcing bar interval location fixture (8) on reinforcing bar vaulting pole (7).
2. The mobile tunnel lining steel bar quick positioning device according to claim 1, wherein the number of the mobile pulleys (2) is four and is respectively located at four corners of the bottom of the portal frame (1).
3. The mobile tunnel lining steel bar quick positioning device according to claim 1, characterized in that the ends of the cross braces (5) and the vertical braces (51) on the same vertical plane are connected into an arc shape adapted to the shape of the tunnel.
4. The mobile tunnel lining steel bar rapid positioning device according to claim 1, wherein the cross brace (5) is parallel to the bottom surface, and the vertical brace (51) is perpendicular to the bottom surface.
5. The mobile tunnel lining steel bar rapid positioning device according to claim 1, wherein the steel bar support rod (7) is perpendicular to the cross brace (5), and the steel bar support rod (7) is perpendicular to the vertical brace (51).
6. The mobile tunnel lining steel bar quick positioning device according to claim 1, wherein the telescopic direction of the telescopic hydraulic oil cylinder (6) is consistent with the direction of a cross brace (5) or a vertical brace (51) where the telescopic hydraulic oil cylinder is located.
7. The mobile tunnel lining reinforcing steel bar quick positioning device according to claim 1, wherein the main body frame of the portal frame (1) is made of I18I-steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920621489.2U CN209942846U (en) | 2019-04-30 | 2019-04-30 | Quick positioner of portable tunnel lining reinforcing bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920621489.2U CN209942846U (en) | 2019-04-30 | 2019-04-30 | Quick positioner of portable tunnel lining reinforcing bar |
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| Publication Number | Publication Date |
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| CN209942846U true CN209942846U (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920621489.2U Active CN209942846U (en) | 2019-04-30 | 2019-04-30 | Quick positioner of portable tunnel lining reinforcing bar |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356883A (en) * | 2021-06-04 | 2021-09-07 | 中铁二十局集团有限公司 | Automatic installation and positioning trolley device and method for secondary lining circumferential steel bars of tunnel |
-
2019
- 2019-04-30 CN CN201920621489.2U patent/CN209942846U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356883A (en) * | 2021-06-04 | 2021-09-07 | 中铁二十局集团有限公司 | Automatic installation and positioning trolley device and method for secondary lining circumferential steel bars of tunnel |
| CN113356883B (en) * | 2021-06-04 | 2022-09-13 | 中铁二十局集团有限公司 | Automatic mounting and positioning trolley device and method for secondary lining annular reinforcing steel bars of tunnel |
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