Special tool for standardized manufacturing of tunnel secondary lining reinforcing mesh
By designing special tooling for standardized production of tunnel two-lined steel mesh, the problems of high error rate, waste of raw materials and low efficiency in traditional production methods are solved, and efficient and standardized production of steel mesh is achieved.
Patent Information
- Application Number
- CN202421716998.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-18
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-07-18
AI Technical Summary
The traditional method of making two-lined steel mesh in tunnels has problems such as high error rate, waste of raw materials and low efficiency, which leads to high production costs and is difficult to achieve industrial production.
A special tool for standardized production of tunnel two-lined steel mesh is designed, including base, sliding vertical frame, prefabricated steel mesh tooling components and drive parts. Through the cooperation of sliding vertical frame and drive parts, the opening and closing movement of prefabricated steel mesh tooling components is realized, and the steel mesh is standardized to produce steel mesh.
Through standardized production, the error rate is reduced, raw material waste is reduced, production efficiency is improved, and the standardized production of batch prefabricated factory assembly lines and steel mesh components is realized.
Smart Images

Figure CN222970875U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of construction, and particularly relates to a special tooling for the standardized production of the second lining steel bar mesh of a tunnel. Background Art
[0002] The original on-site integral cast-in-place construction method will gradually be replaced by the factory production method. The components of the prefabricated building structure are all produced in the prefabrication factory and then assembled on-site. At the same time, the steel bar skeletons of the prefabricated building structure should also be processed in the factory.
[0003] At present, the traditional method for manufacturing the second lining steel bar mesh of a tunnel generally uses on-site manual binding and welding methods. This processing and manufacturing method has problems such as high error rate, waste of raw materials, low efficiency, etc., and as a result, the manufacturing cost of the second lining steel bar mesh of the tunnel is high. Therefore, it is very difficult for the traditional steel bar processing technology to achieve industrial production. Content of the Utility Model
[0004] To solve the above problems, the utility model adopts the following technical solutions:
[0005] A special tooling for the standardized production of the second lining steel bar mesh of a tunnel, comprising:
[0006] A base;
[0007] Two sliding vertical frames, and the two sliding vertical frames are slidably arranged on the base relative to each other;
[0008] A steel bar mesh prefabrication tooling component, and both sides of the steel bar mesh prefabrication tooling component are respectively connected to the tops of the two sliding vertical frames;
[0009] A driving part, the driving part is arranged on the base, and the driving ends of the driving part are respectively drivingly connected to the sliding vertical frames, and are used to drive the two sliding vertical frames to move away from or close to each other relatively, so as to drive the steel bar mesh prefabrication tooling component to perform an opening and closing movement.
[0010] Furthermore, a limiting frame is arranged between the two sliding vertical frames, and the limiting frame is used to limit the distance between the two sliding vertical frames.
[0011] Furthermore, the steel bar mesh prefabrication tooling component is enclosed by two limiting plates and two flange plates; the two limiting plates are respectively fixedly connected to the sliding vertical frames; the two flange plates are oppositely arranged on both sides of the limiting plates and are detachably connected to the limiting plates; a plurality of steel bar holes matching the steel bars are uniformly arranged on the limiting plates and the flange plates.
[0012] Furthermore, the flange plate is detachably connected to the limiting plate through a loose joint bolt.
[0013] Further, the sliding upright frame includes a rectangular frame and a plurality of upright columns. The plurality of upright columns are vertically arranged on one side of the rectangular frame and are spaced along the length direction of the rectangular frame; adjacent upright columns are connected by cross bars; the limiting plate is fixedly connected to the end of the upright column far from the rectangular frame; the rectangular frame is slidably arranged on the base.
[0014] Further, sliding grooves are oppositely arranged at both ends of the base, and protrusions matching the sliding grooves are arranged at both ends of the bottom of the rectangular frame along the length direction, and the protrusions are arranged on the sliding grooves.
[0015] Further, a limiting member is arranged at the joint of the sliding groove and the rectangular frame to prevent the protrusion of the rectangular frame from derailing.
[0016] Beneficial effects:
[0017] By designing the steel bar mesh prefabrication tooling assembly and designing the steel bar mesh prefabrication tooling assembly according to actual requirements, the utility model solves problems such as high error rate, waste of raw materials, and low efficiency, realizes batch prefabrication on the factory assembly line and standardized production of the steel bar mesh assembly, facilitates the later installation construction, and improves the production efficiency. Description of the drawings
[0018] Figure 1 is a schematic structural diagram of the utility model;
[0019] Figure 2 is a front view of the utility model;
[0020] Figure 3 is the utility model Figure 2 an enlarged view of A in;
[0021] Figure 4 is a side view of the utility model;
[0022] Figure 5 is a top view of the utility model;
[0023] Wherein: 1, limiting plate; 2, flange plate; 3, sliding upright frame; 4, base; 5, limiting frame; 6, hydraulic cylinder; 7, steel bar mesh; 8, limiting member; 9, rectangular frame; 10, protrusion; 11, sliding groove. Specific embodiments
[0024] Example 1
[0025] Refer to Figures 1-5 , the special tooling for standardizing the production of the second lining steel bar mesh of the tunnel, includes:
[0026] Base 4;
[0027] Two sliding stands 3 are slidably arranged relative to each other on the base 4;
[0028] A reinforcing mesh prefabrication tooling assembly is arranged on the tops of the two sliding stands 4 respectively on both sides;
[0029] A driving part is arranged on the base. The driving ends of the driving part are respectively drivingly connected with the sliding stands, and are used to drive the two sliding stands to move away from or close to each other relatively, so as to drive the reinforcing mesh prefabrication tooling assembly to perform an opening and closing movement.
[0030] In this embodiment, a limiting frame 5 is arranged between the two sliding stands 3, and the limiting frame 5 is used to limit the distance between the two sliding stands 3.
[0031] Working principle: According to the requirements of the reinforcing mesh, determine the shape of the reinforcing mesh prefabrication tooling assembly; build reinforcing bars in the reinforcing mesh prefabrication tooling assembly to prefabricate the reinforcing mesh, and weld (bind) the reinforcing bars; after completion, the driving part drives the sliding stands 3 to open and close the reinforcing mesh prefabrication tooling assembly, and take out the prefabricated reinforcing mesh.
[0032] Embodiment 2
[0033] This embodiment is further arranged on the basis of Embodiment 1;
[0034] Preferably, the driving part is a hydraulic cylinder 6. There are two hydraulic cylinders. The fixed ends of the two hydraulic cylinders 6 are respectively connected with the base 4, and the driving ends of the hydraulic cylinders 6 are respectively drivingly connected with the two sliding stands 3.
[0035] Working principle: According to the requirements of the reinforcing mesh, determine the shape of the reinforcing mesh prefabrication tooling assembly; build reinforcing bars in the reinforcing mesh prefabrication tooling assembly to prefabricate the reinforcing mesh, and weld (bind) the reinforcing bars; after completion, the hydraulic cylinder 6 controls the sliding of the sliding stands 3 to open and close the reinforcing mesh prefabrication tooling assembly, and take out the prefabricated reinforcing mesh.
[0036] Embodiment 3
[0037] In order to better build the reinforcing mesh and prevent the reinforcing mesh prefabrication tooling assembly from shifting during the sliding process; this embodiment is further arranged on the basis of Embodiment 1;
[0038] The reinforcing mesh prefabrication tooling assembly is formed by enclosing two limiting plates 1 and two flange plates 2; the two limiting plates 1 are respectively fixedly connected with the sliding stands 3; the two flange plates 2 are relatively arranged on both sides of the limiting plates 1 and are detachably connected with the limiting frame 5; a plurality of reinforcing bar holes matching the reinforcing bars are uniformly formed on the limiting frame 5 and the flange plates 2.
[0039] In this embodiment, there are only two columns of steel bar holes, and the number of steel bar holes is adjusted according to the usage requirements; the flange plate 2 is detachably connected to the limit plate 1 through a loose bolt.
[0040] In this embodiment, the loose bolt is provided with a handle, which is convenient for workers to operate; the limit plate 5 and the flange plate 2 can be adjusted according to the actual usage requirements.
[0041] Preferably, the sliding upright frame 3 includes a rectangular frame 9 and a plurality of columns. The plurality of columns are vertically arranged on one side of the rectangular frame 9 and are spaced along the length direction of the rectangular frame 9; the adjacent columns are connected by cross bars; the limit plate 1 is fixedly connected to the end of the column away from the rectangular frame 9; the rectangular frame 9 is slidably arranged on the base 4.
[0042] In this embodiment, there are 3 columns. Among them, 2 columns are distributed at both ends of one side of the rectangular frame 9, and the remaining one column is arranged on the vertical bisector of the rectangular frame 9; the top end of the column is arched and is connected to the limit plate 1.
[0043] Preferably, sliding grooves 11 are oppositely arranged at both ends of the base 4, and protrusions 10 matching the sliding grooves 11 are arranged at both ends of the bottom of the rectangular frame 9 along the length direction. The protrusions 10 are arranged on the sliding grooves 11.
[0044] Preferably, a limiting member 8 is arranged at the junction of the sliding groove and the rectangular frame to prevent the protrusion 10 of the rectangular frame 9 from derailing.
[0045] Working principle: According to the requirements of the steel bar mesh, determine the shape of the steel bar mesh prefabrication tooling assembly; the limit plate is fixed on the column, and the flange plate 2 is installed on the limit plate 1 through a loose bolt. The cross bars arranged on the column increase the strength of the column; pass the steel bars through the steel bar holes to prefabricate the steel bar mesh, and weld (bind) the steel bars; after completion, disassemble the flange plate 2, and drive the sliding upright frame 3 to move on the sliding groove, so that the two limit plates 1 are relatively far away from each other, take out the prefabricated steel bar mesh, and a limiting member 8 is provided to prevent the protrusion 10 of the rectangular frame 9 from derailing and the limit plate from shifting, making disassembly difficult.
[0046] Embodiment 4
[0047] This embodiment is further set on the basis of Embodiment 1;
[0048] Preferably, the driving part is a hydraulic cylinder 6. There are 2 hydraulic cylinders. The fixed ends of the 2 hydraulic cylinders 6 are respectively connected to the base 4, and the driving ends of the hydraulic cylinders 6 are respectively drivingly connected to the 2 sliding upright frames 3.
[0049] Preferably, the prefabrication tooling assembly for the steel bar mesh is formed by enclosing two limit plates 1 and two flange plates 2; the two limit plates 1 are respectively fixedly connected to the sliding vertical frames 3; the two flange plates 2 are oppositely arranged on both sides of the limit plates 1 and are detachably connected to the limit plates 5; a plurality of steel bar holes matching the steel bars are uniformly formed in the limit plates 5 and the flange plates 2.
[0050] Preferably, the sliding vertical frame 3 includes a rectangular frame 9 and a plurality of columns. The plurality of columns are vertically arranged on one side of the rectangular frame 9 and are spaced along the length direction of the rectangular frame 9; the adjacent columns are connected by cross bars; the limit plate 1 is fixedly connected to the end of the column away from the rectangular frame 9; the rectangular frame 9 is slidably arranged on the base 4.
[0051] In this embodiment, the fixed end of the hydraulic cylinder 6 is connected to the base 4, and the driving end of the hydraulic cylinder 6 is drivingly connected to the side of the rectangular frame 9 close to the column.
[0052] Preferably, slideways 11 are oppositely arranged at both ends of the base 4, and protrusions 10 matching the slideways 11 are arranged at both ends of the bottom of the rectangular frame 9 along the length direction, and the protrusions 10 are arranged on the slideways 11.
[0053] Preferably, a limiting member 8 is arranged at the joint of the slideway and the rectangular frame to prevent the protrusion 10 of the rectangular frame 9 from derailing.
[0054] Working principle: According to the requirements of the steel bar mesh, determine the shape of the prefabrication tooling assembly for the steel bar mesh; fix the limit plates on the columns, and install the flange plates 2 on the limit plates 1 through flexible bolts; pass the steel bars through the steel bar holes to prefabricate the steel bar mesh, and weld (bind) the steel bars; after completion, disassemble the flange plates 2, and the hydraulic cylinder 9 drives the rectangular frame 9 to move on the slideways 11, so that the two limit plates 1 are relatively far away from each other, and take out the prefabricated steel bar mesh.
[0055] The above is only a preferred embodiment of the present invention, and does not impose any limitation on the technical scope of the present invention. Therefore, any minor modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention still belong to the scope of the technical solution of the present invention.
Claims
1. Special tooling for standardized production of tunnel secondary lining steel mesh, characterized by: include: Base; Two sliding frames, the two sliding frames are relatively slidably arranged on the base; A steel mesh prefabricated tooling assembly, the two sides of which are respectively connected to the top ends of the two sliding frames; A driving unit is arranged on the base, and driving ends of the driving unit are respectively connected to the sliding frames for driving the two sliding frames to move relatively away from or close to each other, so as to drive the steel mesh prefabricated tooling assembly to perform opening and closing movements.
2. The special tooling for standardized production of tunnel secondary lining steel mesh according to claim 1 is characterized in that: A limiting frame is arranged between the two sliding frames, and the limiting frame is used to limit the distance between the two sliding frames.
3. The special tooling for standardized production of tunnel secondary lining steel mesh according to claim 1 is characterized in that: The steel mesh prefabricated tooling assembly is surrounded by two limit plates and two flange plates; the two limit plates are fixedly connected to the sliding frames respectively; the two flange plates are relatively arranged on both sides of the limit plates and are detachably connected to the limit plates; the limit plates and the flange plates are evenly provided with a plurality of steel bar holes matching the steel bars.
4. The special tooling for standardized production of tunnel secondary lining steel mesh according to claim 3 is characterized in that: The flange plate is detachably connected to the limiting plate via a movable bolt.
5. The special tooling for standardized production of tunnel secondary lining steel mesh according to claim 4 is characterized in that: The sliding stand includes a rectangular frame and a plurality of columns, wherein the plurality of columns are vertically arranged on one side of the rectangular frame and are spaced apart along the length direction of the rectangular frame; adjacent columns are connected by a cross bar; the limiting plate is fixedly connected to one end of the column away from the rectangular frame; and the rectangular frame is slidably arranged on the base.
6. The special tooling for standardized production of tunnel secondary lining steel mesh according to claim 5 is characterized in that: Slideways are arranged oppositely at two ends of the base, and protrusions matching the slideways are arranged at two ends of the bottom of the rectangular frame along the length direction, and the protrusions are arranged on the slideways.
7. The special tooling for standardized production of tunnel secondary lining steel mesh according to claim 6 is characterized in that: A limiting piece is arranged at the junction of the slideway and the rectangular frame, so as to prevent the protrusion of the rectangular frame from derailing.