CN215369874U - Tunnel secondary lining steel bar positioner - Google Patents
Tunnel secondary lining steel bar positioner Download PDFInfo
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- CN215369874U CN215369874U CN202120826413.0U CN202120826413U CN215369874U CN 215369874 U CN215369874 U CN 215369874U CN 202120826413 U CN202120826413 U CN 202120826413U CN 215369874 U CN215369874 U CN 215369874U
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Abstract
The utility model belongs to the technical field of the technique of tunnel construction equipment and specifically relates to a tunnel secondary lining steel bar locator is related to, including horizontal reinforcing bar, the vertical reinforcing bar of fixed connection on the waterproof board and the first fixed reinforcement of fixed connection on horizontal reinforcing bar of fixed connection on the waterproof board of fixed connection, horizontal reinforcing bar sets up along the circumference in tunnel, vertical reinforcing bar sets up along the length extending direction in tunnel, first fixed reinforcement sets up the nodical department at horizontal reinforcing bar and vertical reinforcing bar, first fixed reinforcement and reinforcing bar frame fixed connection. This application has the removal that can reduce the reinforcing bar frame effectively to make the more even effect of reinforcing bar distribution in the secondary lining.
Description
Technical Field
The application relates to the technical field of tunnel construction equipment, in particular to a secondary lining steel bar positioner for a tunnel.
Background
The secondary lining is a molded concrete or reinforced concrete lining applied on the inner side of the primary support in tunnel engineering construction, and forms a composite lining together with the primary support. The secondary lining and the primary support are relatively speaking inner lining built by concrete and other materials under the condition that the tunnel is already subjected to primary support, so as to achieve the effects of reinforcing support, optimizing a route waterproof and drainage system, beautifying appearance, conveniently setting communication, lighting, monitoring and other facilities.
With respect to the related art among the above, the inventors consider that there is a defect: when a lining is built in the related art, a steel reinforcement framework needs to be built inside the secondary lining, and then a pouring template is built for pouring, but when concrete grout is poured, under the pressure action of the concrete grout, the steel reinforcement is easy to displace, so that the distribution of the steel reinforcement inside the secondary lining is uneven.
SUMMERY OF THE UTILITY MODEL
In order to reduce the displacement of reinforcing bar when concreting thick liquid, this application provides a tunnel secondary lining reinforcing bar locator.
The application provides a pair of tunnel secondary lining steel bar locator adopts following technical scheme:
the utility model provides a tunnel secondary lining steel bar locator, includes horizontal reinforcing bar of fixed connection on the waterproof board, the vertical reinforcing bar of fixed connection on the waterproof board and the first fixed reinforcement of fixed connection on horizontal reinforcing bar, horizontal reinforcing bar sets up along the circumference in tunnel, vertical reinforcing bar sets up along the length extending direction in tunnel, first fixed reinforcement sets up the nodical department at horizontal reinforcing bar and vertical reinforcing bar, first fixed reinforcement and reinforcing bar frame fixed connection.
Through adopting above-mentioned technical scheme, horizontal reinforcing bar and longitudinal reinforcement provide the fixed stay for first fixed reinforcing bar, first fixed reinforcing bar and reinforcing bar frame fixed connection, when the staff is when concreting, first fixed reinforcing bar is connected with the reinforcing bar frame and provides the support for the reinforcing bar frame, under the effect of horizontal reinforcing bar, longitudinal reinforcement and first fixed reinforcing bar, can reduce the removal of reinforcing bar frame effectively to make the reinforcing bar distribution in the secondary lining more even.
Optionally, the end of the waterproof plate is provided with a mounting groove, and the end of the transverse steel bar is inserted into the mounting groove.
Through adopting above-mentioned technical scheme, the staff is when the installation horizontal reinforcing bar, pegs graft the inside at the mounting groove with the tip of horizontal reinforcing bar, has increased the area of contact between horizontal reinforcing bar and the waterproof board, is that the horizontal reinforcing bar can be installed more firmly, also simplified staff's operation simultaneously.
Optionally, the transverse reinforcing bars include arc-shaped reinforcing bars fixedly connected to the waterproof plate and a connecting pipe for connecting the arc-shaped reinforcing bars, and the end portions of the arc-shaped reinforcing bars are inserted into the connecting pipe.
Through adopting above-mentioned technical scheme, the staff is when the horizontal reinforcing bar of installation, follows both ends installation arc reinforcing bar earlier, later draws close symmetry installation arc reinforcing bar to the top gradually, and the staff uses the connecting pipe to link together adjacent arc reinforcing bar when installing the arc reinforcing bar, makes things convenient for the staff operation.
Optionally, an anchor rod is fixedly connected to the side surface of the connecting pipe, and the anchor rod is anchored on the waterproof board.
Through adopting above-mentioned technical scheme, the staff injects the anchor rod in the inside of waterproof board when the installation connecting pipe, fixes the connecting pipe on the waterproof board through the anchor rod to increase the stability of transverse reinforcement.
Optionally, the first fixed reinforcing steel bar comprises a first mounting reinforcing steel bar fixedly connected to the waterproof plate and a first supporting reinforcing steel bar fixedly connected to the end of the first mounting reinforcing steel bar, the first mounting reinforcing steel bar is perpendicular to the first supporting reinforcing steel bar and the waterproof plate, and the first supporting reinforcing steel bar is fixedly connected with the transverse reinforcing steel bar and the longitudinal reinforcing steel bar.
Through adopting above-mentioned technical scheme, the staff is when the first fixed reinforcing bar of installation, fixes first installation reinforcing bar on the waterproof board, fixes first supporting reinforcement bar on the side of horizontal reinforcing bar and vertical reinforcing bar to provide fixed basis for first fixed reinforcing bar.
Optionally, the first fixed reinforcing steel bars are provided with a plurality of, and the first fixed reinforcing steel bars are uniformly distributed on the waterproof board.
Through adopting above-mentioned technical scheme, set first fixed reinforcing bar to a plurality of effects that can improve the fixed steel reinforcement frame of this application device, increase steel reinforcement frame's stability, further reduce steel reinforcement frame's displacement.
Optionally, the fixing device is arranged between the reinforcing steel meshes, the fixing device is provided with a plurality of fixing pieces, and the fixing pieces are uniformly distributed between the reinforcing steel meshes.
Through adopting above-mentioned technical scheme, set up a plurality of mountings between the steel reinforcement frame to further improve the stability of steel reinforcement frame, when concreting thick liquid, the mounting can further reduce the displacement of steel reinforcement frame.
Optionally, the fixing part includes a second mounting steel bar and a second supporting steel bar fixedly connected with the second mounting steel bar, the second mounting steel bar is provided with two, the second mounting steel bar is fixedly connected at the end of the second supporting steel bar, and the second fixing steel bar is fixedly connected between the steel bar frames.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the transverse steel bars and the longitudinal steel bars provide fixed support for the first fixed steel bars, the first fixed steel bars are fixedly connected with the steel bar frame, when workers pour concrete slurry, the first fixed steel bars and the steel bar frame are connected to provide support for the steel bar frame, and under the action of the transverse steel bars, the longitudinal steel bars and the first fixed steel bars, the movement of the steel bar frame can be effectively reduced, so that the distribution of the steel bars in the secondary lining is more uniform;
2. when installing the transverse reinforcing steel bars, workers install the arc-shaped reinforcing steel bars from two ends, then gradually approach to the top to symmetrically install the arc-shaped reinforcing steel bars, and when installing the arc-shaped reinforcing steel bars, the workers use the connecting pipes to connect the adjacent arc-shaped reinforcing steel bars together, so that the operation of the workers is facilitated;
3. a plurality of fixing members are provided between the reinforcing frames, thereby further improving the stability of the reinforcing frames, and the fixing members can further reduce the displacement of the reinforcing frames when concrete grout is poured.
Drawings
Fig. 1 is a schematic structural front view according to an embodiment of the present application.
Fig. 2 is a schematic view of the structure of the transverse steel bars and the longitudinal steel bars in the embodiment of the application.
Description of reference numerals: 100. a waterproof sheet; 101. mounting grooves; 103. a reinforcing steel bar frame; 1. transverse reinforcing steel bars; 11. arc-shaped reinforcing steel bars; 12. a connecting pipe; 121. an anchoring rod; 2. longitudinal reinforcing steel bars; 3. a first fixed rebar; 31. first installation reinforcing steel bars; 32. a first support bar; 4. a fixing member; 41. secondly, installing reinforcing steel bars; 42. a second support bar.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses tunnel secondary lining steel bar locator. Referring to fig. 1 and 2, a tunnel secondary lining reinforcing bar positioning apparatus includes a waterproof sheet 100 installed on a tunnel, a transverse reinforcing bar 1 installed on an inner wall of the waterproof sheet 100, a longitudinal reinforcing bar 2 welded to the transverse reinforcing bar 1, a first fixing reinforcing bar 3 installed on the waterproof sheet 100, and a fixing member 4 installed between reinforcing bar frames 103. Horizontal reinforcing bar 1 sets up along the circumference in tunnel, and longitudinal reinforcement 2 sets up along the length extending direction in tunnel, and horizontal reinforcing bar 1 is perpendicular to longitudinal reinforcement 2. The reinforcing bar frame 103 is fixed to the end of the first fixing bar 3 remote from the waterproof sheet 100.
When the worker pours the concrete grout, a steel form is built on the side of the steel frame 103 far from the waterproof board 100, and then the concrete grout is poured between the steel form and the waterproof board 100. When concrete grout is poured, under the action of the first fixing steel bars 3 and the fixing pieces 4, the stability of the steel bar frame 103 can be increased, the influence of concrete grout flowing and concrete grout pressure on the steel bar frame 103 is reduced, and therefore, the displacement of the steel bar frame 103 is reduced, and steel bars inside the lining are more uniform.
Referring to fig. 1 and 2, the transversal reinforcement 1 includes a plurality of arc-shaped reinforcements 11 and a coupling pipe 12 for coupling the arc-shaped reinforcements 11, adjacent arc-shaped reinforcements 11 are coupled by the coupling pipe 12, and the ends of the arc-shaped reinforcements 11 can be inserted into the inside of the coupling pipe 12, thereby coupling the adjacent arc-shaped reinforcements 11 together. An anchor rod 121 is welded on a side of the connection pipe 12, and the anchor rod 121 is inserted into the interior of the waterproof sheet 100. The connection pipe 12 may assist the fixing of the arc-shaped reinforcing bars 11.
The both ends of waterproof board 100 are seted up with the mounting groove 101 of the 11 adaptations of arc reinforcing bar, and the staff is when the arc reinforcing bar 11 of installation tip, pegs graft inside mounting groove 101 with the arc reinforcing bar 11 of tip. First fixed reinforcing bar 3 is including using the adhesive to bond first fixed reinforcing bar 3 on the waterproof board 100 inner wall and the first support reinforcing bar 32 of welding on first fixed reinforcing bar 3, the first fixed reinforcing bar 3 of first support reinforcing bar 32 perpendicular to, first support reinforcing bar 32 sets up in the crossing position department of horizontal reinforcing bar 1 and longitudinal reinforcement 2, first support reinforcing bar 32 welds on the side of horizontal reinforcing bar 1 and longitudinal reinforcement 2, the tip welding that waterproof board 100 was kept away from to first support reinforcing bar 32 is on reinforcing bar frame 103. The first fixing reinforcing bars 3 are provided in plurality and uniformly distributed on the waterproof board 100.
The fixing member 4 includes two second installation bars 41 and one second support bar 42, the two second installation bars 41 being welded to ends of the second support bar 42, the second installation bars 41 being perpendicular to the second support bar 42. The second installation bars 41 are welded to the inside of the steel frames 103, and the fixing members 4 fix the support steel frames 103 by fitting the inside spaces of the steel frames 103.
Under the action of the first fixing steel bars 3 and the fixing pieces 4, the positions of the steel bar frames 103 and the gaps inside the steel bar frames are reinforced, and when workers pour concrete grout, the positions of the steel bar frames 103 and the gaps inside the steel bar frames cannot be greatly changed, so that the distribution of the steel bars inside the secondary lining is more uniform.
The implementation principle of the tunnel secondary lining steel bar positioner in the embodiment of the application is as follows: before the worker constructs the reinforcing bar frame 103, the worker installs the first fixing reinforcing bar 3 on the waterproof board 100, welds the fixing member 4 on the reinforcing bar frame 103, welds the reinforcing bar frame 103 on the first fixing reinforcing bar 3, and reinforces the reinforcing bar frame 103 by the cooperation of the first fixing reinforcing bar 3 and the fixing frame, thereby reducing the displacement of the reinforcing bar frame 103 during the casting construction.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a tunnel secondary lining steel bar locator which characterized in that: including transverse reinforcement (1), the longitudinal reinforcement (2) of fixed connection on waterproof board (100) and first fixed reinforcement (3) of fixed connection on transverse reinforcement (1), transverse reinforcement (1) sets up along the circumference in tunnel, longitudinal reinforcement (2) set up along the length extending direction in tunnel, first fixed reinforcement (3) set up the nodical department at transverse reinforcement (1) and longitudinal reinforcement (2), first fixed reinforcement (3) and reinforcing bar net (103) fixed connection.
2. The locator of claim 1, wherein: the end part of the waterproof plate (100) is provided with a mounting groove (101), and the end part of the transverse steel bar (1) is inserted into the mounting groove (101).
3. The locator of claim 2, wherein: the waterproof plate comprises transverse reinforcing steel bars (1), arc-shaped reinforcing steel bars (11) fixedly connected to the waterproof plate and connecting pipes (12) used for being connected with the arc-shaped reinforcing steel bars (11), and the end portions of the arc-shaped reinforcing steel bars (11) are inserted into the connecting pipes (12).
4. The locator of claim 3, wherein: an anchoring rod (121) is fixedly connected to the side surface of the connecting pipe (12), and the anchoring rod (121) is anchored on the waterproof board (100).
5. The locator of claim 1, wherein: first fixed reinforcement (3) are including first installation reinforcing bar (31) of fixed connection on waterproof board (100) and first supporting reinforcement (32) of fixed connection on first installation reinforcing bar (31) tip, first installation reinforcing bar (31) perpendicular to first supporting reinforcement (32) and waterproof board (100), first supporting reinforcement (32) and horizontal reinforcing bar (1) and the equal fixed connection of longitudinal reinforcement (2).
6. The locator of claim 5, wherein: the first fixed reinforcing steel bars (3) are arranged in a plurality of numbers, and the first fixed reinforcing steel bars (3) are uniformly distributed on the waterproof board (100).
7. The locator of claim 1, wherein: the steel bar net fixing device comprises fixing pieces (4) arranged among steel bar nets (103), wherein the fixing pieces (4) are arranged in a plurality, and the fixing pieces (4) are uniformly distributed among the steel bar nets (103).
8. The locator of claim 7, wherein: the fixing piece (4) comprises a second mounting reinforcing steel bar (41) and a second supporting reinforcing steel bar (42) fixedly connected with the second mounting reinforcing steel bar (41), the number of the second mounting reinforcing steel bar (41) is two, the second mounting reinforcing steel bar (41) is fixedly connected to the end portion of the second supporting reinforcing steel bar (42), and the second mounting reinforcing steel bar (41) is fixedly connected between the reinforcing mesh (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120826413.0U CN215369874U (en) | 2021-04-21 | 2021-04-21 | Tunnel secondary lining steel bar positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120826413.0U CN215369874U (en) | 2021-04-21 | 2021-04-21 | Tunnel secondary lining steel bar positioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215369874U true CN215369874U (en) | 2021-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120826413.0U Active CN215369874U (en) | 2021-04-21 | 2021-04-21 | Tunnel secondary lining steel bar positioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215369874U (en) |
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2021
- 2021-04-21 CN CN202120826413.0U patent/CN215369874U/en active Active
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