CN210396762U - Inverted arch steel bar positioning device - Google Patents
Inverted arch steel bar positioning device Download PDFInfo
- Publication number
- CN210396762U CN210396762U CN201921168736.4U CN201921168736U CN210396762U CN 210396762 U CN210396762 U CN 210396762U CN 201921168736 U CN201921168736 U CN 201921168736U CN 210396762 U CN210396762 U CN 210396762U
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- reinforcing bar
- positioning fixture
- connecting rod
- steel bar
- primary side
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Abstract
The utility model relates to an invert reinforcing bar positioner, including adjustable length's lead screw support, lean on just supporting side reinforcing bar positioning fixture, keep away from just supporting side reinforcing bar positioning fixture and adjustable length's turning device, lean on just supporting side reinforcing bar positioning fixture and being connected with turning device, be close to just supporting side reinforcing bar positioning fixture and include integrated into one piece's long angle steel, keep away from just supporting reinforcing bar positioning fixture and include the angle bar that a plurality of quantity correspond with lead screw support quantity, angle bar and lead screw support welding, lean on just supporting side reinforcing bar positioning fixture with keep away from just supporting side reinforcing bar positioning fixture and all be equipped with a plurality of notches that are used for fixing a position fixed invert reinforcing bar at its border with one side along length direction. This invert reinforcing bar positioner can install according to different lining cutting requirements and adjust and lean on just prop up side reinforcing bar positioning fixture and keep away from just propping up reinforcing bar positioning fixture length and angle, make the interval and the row spacing of invert reinforcing bar can obtain effective control to it is firm reliable to fix a position and fixed reinforcing bar installation through this positioner, can not receive concrete placement to influence the deformation, replaces traditional steel bar support, ability reuse, resources are saved.
Description
Technical Field
The utility model belongs to the technical field of the tunnel invert construction, more specifically the invert reinforcing bar location and fixing device that says so.
Background
The tunnel inverted arch construction can be divided into inverted arch construction with structural steel bars and inverted arch construction without structural steel bars. When the tunnel is in the IV-V level surrounding rock section, aiming at the tunnel of the IV-V level surrounding rock section, the inverted arch structure of the tunnel adopts a form with structural steel bars in order to meet the safety requirement of the whole structure in the tunnel construction process. One step of inverted arch construction with structural steel bars is installation of inverted arch steel bars, and the inverted arch steel bars need to be positioned and fixed according to design positions in the binding process of the inverted arch steel bars. Adopt double positioning groove and fixed steel bar to be fixed in the horizontal construction joint top of inverted arch in order to fix the inverted arch reinforcing bar among the prior art, but device self size is unadjustable, can't be suitable for different lining cutting types, and another set of device need be reprocessed when the lining cutting parameter changes, and the low-usage lengthens the engineering time greatly, reduces the efficiency of construction.
SUMMERY OF THE UTILITY MODEL
The utility model provides an invert reinforcing bar positioner to prior art's not enough. The utility model discloses a following technical scheme realizes:
according to an aspect of the utility model, a provide an invert reinforcing bar positioner, include the lead screw bracket, lean on just prop up side reinforcing bar positioning fixture, keep away from just propping up side reinforcing bar positioning fixture and turning device, lean on just prop up side reinforcing bar positioning fixture and be connected with turning device, lean on just prop up side reinforcing bar positioning fixture with keep away from just prop up the parallel interval of side reinforcing bar positioning fixture and connect perpendicularly a plurality of on the lead screw bracket, lean on just propping up side reinforcing bar positioning fixture and include integrated into one piece's long angle steel and reinforcing bar, be provided with at long angle steel both ends and be used for fixing the interface of reinforcing bar, the lead screw bracket welding is in on the reinforcing bar, keep away from just prop up reinforcing bar positioning fixture include a plurality of quantity with the short angle steel that lead screw bracket quantity equals, short angle steel with lead screw bracket welding, lean on just prop up side reinforcing bar positioning fixture with keep away from just prop up side reinforcing bar positioning fixture and all be equipped with a plurality of being used for fixing the fixed invert reinforcing bar in location along length The shape of the notch is matched with that of the inverted arch steel bar;
the turnover device comprises a bottom plate, a base and a connecting rod with adjustable length, wherein the connecting rod is connected to the base in a turnover mode, and the base is fixed on the primary tunnel support through the bottom plate.
On the basis of the scheme, the screw rod support preferably comprises a sleeve and two screw rods, the two screw rods are connected through the sleeve, and the internal threads of the sleeve are matched with the external threads of the screw rods.
On the basis of the scheme, the connecting rod preferably comprises a first connecting rod, a second connecting rod and a fixing bolt, the second connecting rod is connected with the first connecting rod in a sleeved mode, and the first connecting rod with adjustable length is fixed with the second connecting rod through the fixing bolt.
The utility model discloses a invert reinforcing bar positioner of design simple structure can be quick, the invert reinforcing bar of accurate location, ensures that bar spacing, row spacing satisfy the designing requirement, realizes the accurate positioning of invert reinforcing bar. The length-adjustable screw rod support and the length-adjustable connecting rod are used, adjustment can be carried out according to measurement lofting data, the base of the positioning device is of a turnover structure, turnover adjustment can be carried out in real time according to the position requirement of positioning reinforcing steel bars, and then the positioning device is fixed through the fixing bolt. Is suitable for different lining types and has wide application range.
Drawings
Fig. 1 is a schematic structural view of an inverted arch reinforcement positioning device according to an embodiment of the present invention;
the reference numerals in the schematic drawings illustrate: 1-positioning fixture near the primary support side reinforcing steel bar, 2-positioning fixture far from the primary support side reinforcing steel bar, 3-notch, 4-screw rod bracket, 5-first connecting rod, 6-second connecting rod, 7-fixing bolt, 8-base, 9-bottom plate and 10-reinforcing steel bar
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. The drawings are in simplified form and employ non-precise ratios for the purpose of facilitating and distinctly facilitating the description of the embodiments of the invention. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Please refer to fig. 1, the utility model provides an invert reinforcing bar positioner, including lead screw bracket 4, lean on just supporting side reinforcing bar positioning fixture 1, keep away from just supporting side reinforcing bar positioning fixture 2 and turning device, lean on just supporting side reinforcing bar positioning fixture 1 to be connected with turning device, lean on just supporting side reinforcing bar positioning fixture 1 and keep away from just supporting side reinforcing bar positioning fixture 2 parallel interval and connect perpendicularly on a plurality of lead screw bracket 4, lead screw bracket 4 includes sleeve 42 and two screw rods 41, connect through sleeve 42 between two screw rods 41, sleeve 42 internal thread and the external screw thread looks adaptation of screw rod 41, screw rod 41 is just twisted with sleeve 42 accessible, the extension is shortened in the reverse twisting realization, the mounted position of keeping away from just supporting side reinforcing bar positioning fixture 2 in the adjustment is on the design position.
The positioning fixture 1 comprises long angle steel and reinforcing steel bars 10 which are integrally formed, interfaces for fixing the reinforcing steel bars 10 are arranged at two ends of the long angle steel, the screw rod bracket 4 is welded on the reinforcing steel bars 10, the positioning fixture 2 far away from the steel bars at the primary support side comprises a plurality of short angle steel, the number of the short angle steel is equal to that of the screw rod bracket 4, the short angle steel is welded with the screw rod bracket 4, a plurality of notches 3 for positioning and fixing the inverted arch reinforcing steel bars are arranged at the edge of the same side of the positioning fixture 1 far away from the steel bars at the primary support side along the length direction, the shape of each notch 3 is matched with the shape of each inverted arch reinforcing steel bar, and in the embodiment, the distance between the notches 3 on the positioning fixture is 20 cm;
turning device includes bottom plate 9 among this positioner, base 8 and the adjustable connecting rod of length, and the connecting rod includes first connecting rod 5 and second connecting rod 6, and second connecting rod 6 cup joints with first connecting rod 5, and first connecting rod 5 length is adjustable, leans on the length that first connecting rod 5 is adjusted to 1 accessible of just propping up side reinforcing bar location fixture to reach appointed installation length, and after first connecting rod 5 installation length was confirmed, fixing bolt 7 on the accessible second connecting rod 6 is fixed with second connecting rod 6. The second connecting rod 6 is connected to the base 8 in a turnable manner, the positioning device can be turned over along with the turning of the second connecting rod 6, after the second connecting rod is turned over to a designated position, the base 8 fixes the second connecting rod 6 through the fixing bolt 7 on the base 8, and the base 8 is fixed on the tunnel primary support through the bottom plate 9.
This invert reinforcing bar positioner can adjust according to different lining cutting requirements, the installation leans on just prop side reinforcing bar positioning fixture and keep away from just prop the distance and the angle of reinforcing bar positioning fixture and tunnel preliminary bracing, and then make the location and the installation of invert reinforcing bar reach appointed requirement, and the invert reinforcing bar through this positioner installation is firm reliable, can not receive concrete placement influence and warp, and can reuse, be adapted to the invert reinforcing bar installation of different lining cutting types, resources are saved.
Finally, the method of the present application is only a preferred embodiment and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. The utility model provides an invert reinforcing bar positioner which characterized in that: the steel bar turning device comprises a screw rod support (4), a positioning fixture (1) close to the primary side steel bar, a positioning fixture (2) far away from the primary side steel bar and a turning device, wherein the positioning fixture (1) close to the primary side steel bar is connected with the turning device, the positioning fixture (1) close to the primary side steel bar and the positioning fixture (2) far away from the primary side steel bar are perpendicularly connected onto the screw rod support (4) at intervals in parallel, the positioning fixture (1) close to the primary side steel bar comprises integrally formed long angle steel and steel bars (10), interfaces used for fixing the steel bars (10) are arranged at two ends of the long angle steel, the screw rod support (4) is welded onto the steel bars (10), the positioning fixture (2) far away from the primary side steel bar comprises a plurality of short angle steel, the number of which is equal to the number of the screw rod support (4), the short angle steel is welded onto the screw rod support (4), and the positioning fixture (1) close to the primary side steel bar and the positioning fixture (2) far away from the primary side steel bar are all The edge of the same side of the length direction is provided with a plurality of notches (3) for positioning and fixing the inverted arch steel bars, and the shape of each notch (3) is matched with that of each inverted arch steel bar;
the turnover device comprises a bottom plate (9), a base (8) and a connecting rod with adjustable length, the connecting rod is connected to the base (8) in a turnover mode, and the base (8) is fixed on a tunnel primary support through the bottom plate (9).
2. An inverted arch reinforcement positioning device according to claim 1, characterized in that the screw rod bracket (4) comprises a sleeve (42) and two screw rods (41), the two screw rods (41) are connected through the sleeve (42), and the inner thread of the sleeve (42) is matched with the outer thread of the screw rod (41).
3. An inverted arch reinforcement positioning device according to claim 1, wherein the connecting rod comprises a first connecting rod (5), a second connecting rod (6) and a fixing bolt (7), the second connecting rod (6) is sleeved with the first connecting rod (5), and the first connecting rod (5) with adjustable length is fixed with the second connecting rod (6) through the fixing bolt (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921168736.4U CN210396762U (en) | 2019-07-24 | 2019-07-24 | Inverted arch steel bar positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921168736.4U CN210396762U (en) | 2019-07-24 | 2019-07-24 | Inverted arch steel bar positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210396762U true CN210396762U (en) | 2020-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921168736.4U Active CN210396762U (en) | 2019-07-24 | 2019-07-24 | Inverted arch steel bar positioning device |
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| Country | Link |
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| CN (1) | CN210396762U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112412497A (en) * | 2020-12-10 | 2021-02-26 | 山东省交通规划设计院有限公司 | Tunnel secondary lining reinforcing steel bar limiting structure and method for correcting effective lining height |
-
2019
- 2019-07-24 CN CN201921168736.4U patent/CN210396762U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112412497A (en) * | 2020-12-10 | 2021-02-26 | 山东省交通规划设计院有限公司 | Tunnel secondary lining reinforcing steel bar limiting structure and method for correcting effective lining height |
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