Welding positioning tool for connecting steel plate of steel arch

Abstract

The utility model provides a welding and positioning tool for a steel arch connecting steel plate. The welding and positioning tool for the connecting steel plate of the steel arch comprises I-shaped steel, the connecting steel plate, a positioning mechanism and a clamping mechanism, the positioning mechanism comprises a cross plate, a positioning box, four fixing plates, four one-way threaded rods, four internal thread sliding plates, four first bevel gears, a second bevel gear, a driving shaft and a first motor, the cross plate is arranged on one side of the connecting steel plate, and the positioning box is fixedly installed on the cross plate; one side of the positioning box makes contact with the connecting steel plate, the four fixing plates are fixedly installed on one side of the cross plate, and the four one-way threaded rods are rotationally installed on the four fixing plates correspondingly. The welding and positioning tool for the connecting steel plate of the steel arch has the advantages that I-shaped steel and the connecting steel plate can be positioned and butted, the accuracy of the welding position is ensured, and dislocation of bolt holes during mounting of the steel arch is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of welding positioning, and in particular relates to a welding positioning tool for connecting steel plates with steel arches. Background Art

[0002] The processing of steel arch frames in tunnel construction requires a large number of welding of connecting steel plates, and the welding position of the connecting steel plates must be precise. Otherwise, the bolt holes of the connecting steel plates will often be misaligned during the installation of the arch frames, thus affecting the construction progress and quality.

[0003] In the related technology, a tunnel steel arch frame and connecting steel plate welding positioning tool is disclosed, which includes a steel shaped positioning piece clamped on the tunnel steel arch frame, the steel shaped positioning piece includes a clamping portion extending along the length direction of the tunnel steel arch frame, at least one cross beam portion extending outwardly from the upper surface of the clamping portion, and a vertically arranged sleeve is provided at the end of each cross beam portion, a connecting steel plate positioning piece is provided in the sleeve, and a positioning lock is provided on the outer wall of the sleeve. The positioning lock is inserted into the sleeve through the outer wall of the sleeve and abuts against the connecting steel plate positioning piece, and the lower end of the connecting steel plate positioning piece is a transversely arranged latch, and a plurality of positioning holes of different heights are provided on the connecting steel plate, and the latch is matched with the positioning hole. The positioning tool can meet the function of quickly positioning the connecting steel plate, greatly improves the construction quality and work efficiency, and reduces the loss of the connecting steel plate; and the utility model has a simple structure and is easy to implement.

[0004] However, there are still some shortcomings in the above structure. When the device is in use, it is necessary to open a positioning hole on the connecting steel plate, which is easy to affect the bolt hole position on the connecting steel plate. In addition, when welding, it is necessary to hold down the handle to make the steel positioning piece close to the I-beam, which is inconvenient.

[0005] Therefore, it is necessary to provide a new steel arch frame connection steel plate welding positioning tool to solve the above technical problems. Utility Model Content

[0006] The technical problem solved by the utility model is to provide a steel arch frame connecting steel plate welding positioning tool which can position and connect the I-beam and the connecting steel plate, ensure the accuracy of the welding position, and avoid the misalignment of the bolt holes when the steel arch frame is installed.

[0007] In order to solve the above technical problems, the utility model provides a steel arch frame connecting steel plate welding positioning tool comprising: an I-beam, a connecting steel plate, a positioning mechanism and a clamping mechanism;

[0008] The positioning mechanism includes a cross plate, a positioning box, four fixing plates, four one-way threaded rods, four internally threaded sliding plates, four first bevel gears, a second bevel gear, a drive shaft and a first motor. The cross plate is arranged on one side of the connecting steel plate. The positioning box is fixedly installed on the cross plate. One side of the positioning box is in contact with the connecting steel plate. The four fixing plates are all fixedly installed on one side of the cross plate. The four one-way threaded rods are respectively rotatably installed on the four fixing plates. One ends of the four one-way threaded rods close to each other all extend into the positioning box and are rotatably connected to the positioning box. The four internally threaded sliding plates are respectively sleeved on the four one-way threaded rods in a threaded manner. The four first bevel gears are respectively fixedly installed at one ends of the four one-way threaded rods. The second bevel gear is arranged in the positioning box. The four first bevel gears are all meshed with the second bevel gear. The drive shaft is fixedly installed on the second bevel gear. The drive shaft penetrates through the cross plate and is rotatably connected to the cross plate. The first motor is fixedly installed on the outer wall of the cross plate. The output shaft of the first motor is fixedly connected to one end of the drive shaft.

[0009] As a further solution of the present utility model, the clamping mechanism includes a C-shaped plate, a bidirectional threaded rod, a second motor, two internally threaded sliders and two sliding assemblies. The C-shaped plate is arranged above the I-beam. The bidirectional threaded rod is rotatably installed in the C-shaped plate. The second motor is fixedly installed on the outer wall of the C-shaped plate. The output shaft of the second motor is fixedly connected to one end of the bidirectional threaded rod. The two internally threaded sliders are respectively sleeved on the bidirectional threaded rod in a threaded manner.

[0010] As a further solution of the present utility model, the sliding assembly includes a strip-shaped plate, two fixed shafts and four guide wheels. The strip-shaped plate is fixedly installed at the bottom of the internally threaded slider. The two fixed shafts are both fixedly installed on the strip-shaped plate. The four guide wheels are respectively rotatably sleeved on the two fixed shafts.

[0011] As a further solution of the present utility model, two connecting arms are fixedly installed on the cross plate. Two connecting rods are fixedly installed at the bottoms of the two connecting arms. The bottoms of the four connecting rods are all fixedly connected to the C-shaped plate.

[0012] As a further solution of the present utility model, first sliding rods are fixedly installed on the four fixing plates. One ends of the four first sliding rods are all fixedly connected to the positioning box. The four first sliding rods respectively penetrate through the four internally threaded sliding plates and are slidably connected to the internally threaded sliding plates.

[0013] As a further solution of the present utility model, two second sliding rods are fixedly installed in the C-shaped plate. Two limiting sliders are slidably sleeved on the two second sliding rods. The bottoms of the four limiting sliders are respectively fixedly connected to the two strip-shaped plates.

[0014] Compared with the related technologies, the steel arch connection steel plate welding positioning tool provided by the present utility model has the following beneficial effects:

[0015] 1. By setting the positioning mechanism in the present utility model, the connection steel plate can be centered and clamped for fixation, which is convenient for accurate docking with the I-beam.

[0016] 2. By setting the clamping mechanism in the present utility model, the device can be easily clamped on the I-beam and slide on the I-beam, so that the connection steel plate is docked with the I-beam, ensuring that the welding positions are accurately consistent and avoiding misalignment of the bolt holes.

[0017] 3. By setting the connecting arm and the connecting rod in the present utility model, the positioning mechanism and the clamping mechanism can be integrated to move together. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] For the convenience of those skilled in the art to understand, the present utility model will be further described below with reference to the accompanying drawings.

[0019] Figure 1 is the overall structural schematic diagram of the steel arch connection steel plate welding positioning tool provided by the present utility model;

[0020] Figure 2 is the assembly structural schematic diagram of the steel arch connection steel plate welding positioning tool provided by the present utility model;

[0021] Figure 3 is the structural schematic diagram of the I-beam and the connection steel plate in the present utility model;

[0022] Figure 4 is the first partial structural schematic diagram of the steel arch connection steel plate welding positioning tool provided by the present utility model;

[0023] Figure 5 is the second partial structural schematic diagram of the steel arch connection steel plate welding positioning tool provided by the present utility model.

[0024] In the figure: 1. I-beam; 2. Connection steel plate; 3. Cross plate; 4. Positioning box; 5. Fixed plate; 6. Unidirectional threaded rod; 7. Internal thread slide plate; 8. First bevel gear; 9. Second bevel gear; 10. Driving shaft; 11. First motor; 12. C-shaped plate; 13. Bidirectional threaded rod; 14. Second motor; 15. Internal thread slider; 16. Strip plate; 17. Fixed shaft; 18. Guide wheel; 19. Connecting arm; 20. Connecting rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] Please refer to Figures 1 to 5 , where Figure 1 is the overall structural schematic diagram of the steel arch connection steel plate welding positioning tool provided by the present utility model; Figure 2 Schematic assembly structure diagram of the welding positioning tool for the steel arch connection steel plate provided by the present utility model; Figure 3 Schematic structure diagram of the I-beam and the connection steel plate in the present utility model; Figure 4 First partial structure diagram of the welding positioning tool for the steel arch connection steel plate provided by the present utility model; Figure 5 Second partial structure diagram of the welding positioning tool for the steel arch connection steel plate provided by the present utility model. The welding positioning tool for the steel arch connection steel plate includes: I-beam 1, connection steel plate 2, positioning mechanism and clamping mechanism;

[0026] The positioning mechanism includes a cross plate 3, a positioning box 4, four fixing plates 5, four single-direction threaded rods 6, four internally threaded sliding plates 7, four first bevel gears 8, a second bevel gear 9, a driving shaft 10 and a first motor 11. The cross plate 3 is arranged on one side of the connection steel plate 2. The positioning box 4 is fixedly installed on the cross plate 3. One side of the positioning box 4 is in contact with the connection steel plate 2. The four fixing plates 5 are all fixedly installed on one side of the cross plate 3. The four single-direction threaded rods 6 are respectively rotatably installed on the four fixing plates 5. The mutually approaching ends of the four single-direction threaded rods 6 all extend into the positioning box 4 and are rotatably connected to the positioning box 4. The four internally threaded sliding plates 7 are respectively thread sleeved on the four single-direction threaded rods 6. The four first bevel gears 8 are respectively fixedly installed at one ends of the four single-direction threaded rods 6. The second bevel gear 9 is arranged in the positioning box 4. The four first bevel gears 8 are all meshed with the second bevel gear 9. The driving shaft 10 is fixedly installed on the second bevel gear 9. The driving shaft 10 penetrates through the cross plate 3 and is rotatably connected to the cross plate 3. The first motor 11 is fixedly installed on the outer wall of the cross plate 3. The output shaft of the first motor 11 is fixedly connected to one end of the driving shaft 10.

[0027] As Figure 5 shown, the clamping mechanism includes a U-shaped plate 12, a bidirectional threaded rod 13, a second motor 14, two internally threaded sliders 15 and two sliding assemblies. The U-shaped plate 12 is arranged above the I-beam 1. The bidirectional threaded rod 13 is rotatably installed in the U-shaped plate 12. The second motor 14 is fixedly installed on the outer wall of the U-shaped plate 12. The output shaft of the second motor 14 is fixedly connected to one end of the bidirectional threaded rod 13. The two internally threaded sliders 15 are both thread sleeved on the bidirectional threaded rod 13;

[0028] By setting the clamping mechanism, it is possible to facilitate clamping the device on the I-beam 1 so as to position the I-beam 1 and the connection steel plate 2.

[0029] As Figure 5As shown in the figure, the sliding assembly includes a strip plate 16, two fixed shafts 17, and four guide wheels 18. The strip plate 16 is fixedly installed at the bottom of the internal thread slider 15. Both of the two fixed shafts 17 are fixedly installed on the strip plate 16. The four guide wheels 18 are respectively rotatably sleeved on the two fixed shafts 17;

[0030] Through the sliding assembly, the device can slide on the I-beam 1, enabling the connecting steel plate 2 to be butted against the I-beam 1, ensuring that the welding positions are precisely aligned and avoiding misalignment of the bolt holes.

[0031] As Figure 1 and Figure 2 shown in the figure, two connecting arms 19 are fixedly installed on the cross plate 3. At the bottom of both of the two connecting arms 19, two connecting rods 20 are fixedly installed. The bottoms of the four connecting rods 20 are fixedly connected to the C-shaped plate 12;

[0032] By providing the connecting arms 19 and the connecting rods 20, the positioning mechanism and the clamping mechanism can be formed into an integral whole, enabling them to move together.

[0033] As Figure 4 shown in the figure, a first sliding rod is fixedly installed on each of the four fixing plates 5. One end of each of the four first sliding rods is fixedly connected to the positioning box 4. The four first sliding rods respectively penetrate through the four internal thread sliding plates 7 and are slidably connected to the internal thread sliding plates 7;

[0034] By providing the first sliding rods, the fixing plates 5 can be restricted, enabling the fixing plates 5 to move smoothly.

[0035] As Figure 5 shown in the figure, two second sliding rods are fixedly installed inside the C-shaped plate 12. Two limiting sliders are slidably sleeved on each of the two second sliding rods. The bottoms of the four limiting sliders are respectively fixedly connected to the two strip plates 16;

[0036] By providing the second sliding rods and the limiting sliders, the strip plates 16 can be restricted, enabling the strip plates 16 to move smoothly.

[0037] The working principle of the steel arch connecting steel plate welding positioning tool provided by the present utility model is as follows:

[0038] First step: When in use, place the connecting steel plate 2 between the four internal thread sliding plates 7, and make one side of the connecting steel plate 2 contact the positioning box 4. Start the first motor 11. The first motor 11 drives the driving shaft 10 and the second bevel gear 9 to rotate. The second bevel gear 9 drives the four first bevel gears 8 and the four one-way threaded rods 6 to rotate. The four one-way threaded rods 6 drive the four internal thread sliding plates 7 to approach each other, clamping and centering the connecting steel plate 2;

[0039] The second step: make the four fixed shafts 17 located on both sides of the I-beam 1, start the second motor 14, the second motor 14 drives the bidirectional threaded rod 13 to rotate, the bidirectional threaded rod 13 drives the two internal threaded sliders 15 to approach each other, the internal threaded slider 15 drives the strip plate 16 to move, the strip plate 16 drives the fixed shaft 17 and the guide wheel 18 to move, so that the guide wheels 18 on both sides clamp the I-beam 1, fix the device on the I-beam 1, and then push the device to slide on the I-beam 1, so that the connecting steel plate 2 contacts the I-beam 1, and the I-beam 1 and the connecting steel plate 2 are docked and positioned to ensure that the welding position is accurate and consistent to avoid misalignment of the bolt holes.

[0040] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0041] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0042] Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations or direct or indirect applications may be made to these embodiments without departing from the principles and spirit of the present invention. In other related technical fields, the scope of the present invention is defined by the attached claims and their equivalents, which are equally included in the scope of patent protection of the present invention.

Claims

1. A steel arch connecting steel plate welding positioning tool, characterized in that: Including: I-beam, connecting steel plate, positioning mechanism and clamping mechanism; The positioning mechanism includes a cross plate, a positioning box, four fixing plates, four one-way threaded rods, four internally threaded sliding plates, four first bevel gears, a second bevel gear, a driving shaft and a first motor. The cross plate is arranged on one side of the connecting steel plate. The positioning box is fixedly installed on the cross plate. One side of the positioning box is in contact with the connecting steel plate. The four fixing plates are all fixedly installed on one side of the cross plate. The four one-way threaded rods are respectively rotatably installed on the four fixing plates. One ends of the four one-way threaded rods close to each other all extend into the positioning box and are rotatably connected with the positioning box. The four internally threaded sliding plates are respectively sleeved on the four one-way threaded rods in a threaded manner. The four first bevel gears are respectively fixedly installed at one ends of the four one-way threaded rods. The second bevel gear is arranged in the positioning box. The four first bevel gears are all meshed with the second bevel gear. The driving shaft is fixedly installed on the second bevel gear. The driving shaft penetrates through the cross plate and is rotatably connected with the cross plate. The first motor is fixedly installed on the outer wall of the cross plate. The output shaft of the first motor is fixedly connected with one end of the driving shaft.

2. The steel arch connecting steel plate welding positioning tool according to claim 1 is characterized by: The clamping mechanism includes a C-shaped plate, a bidirectional threaded rod, a second motor, two internally threaded sliders and two sliding components. The C-shaped plate is arranged above the I-beam. The bidirectional threaded rod is rotatably installed in the C-shaped plate. The second motor is fixedly installed on the outer wall of the C-shaped plate. The output shaft of the second motor is fixedly connected with one end of the bidirectional threaded rod. The two internally threaded sliders are respectively sleeved on the bidirectional threaded rod in a threaded manner.

3. The steel arch connecting steel plate welding positioning tool according to claim 2 is characterized by: The sliding component includes a strip-shaped plate, two fixed shafts and four guide wheels. The strip-shaped plate is fixedly installed at the bottom of the internally threaded slider. The two fixed shafts are both fixedly installed on the strip-shaped plate. The four guide wheels are respectively rotatably sleeved on the two fixed shafts.

4. The steel arch connecting steel plate welding positioning tool according to claim 1 is characterized by: Two connecting arms are fixedly installed on the cross plate. Two connecting rods are fixedly installed at the bottoms of the two connecting arms. The bottoms of the four connecting rods are all fixedly connected with the C-shaped plate.

5. The steel arch connecting steel plate welding positioning tool according to claim 1 is characterized by: First sliding rods are fixedly installed on the four fixing plates. One ends of the four first sliding rods are all fixedly connected with the positioning box. The four first sliding rods respectively penetrate through the four internally threaded sliding plates and are slidably connected with the internally threaded sliding plates.

6. The steel arch connecting steel plate welding positioning tool according to claim 2 is characterized by: Two second sliding rods are fixedly installed in the C-shaped plate. Two limiting sliders are slidably sleeved on the two second sliding rods. The bottoms of the four limiting sliders are respectively fixedly connected with the two strip-shaped plates.

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