Efficient pressure steel pipe stiffening ring assembly device

Abstract

The utility model provides an efficient pressure steel pipe stiffening ring assembly device, which belongs to the technical field of pressure steel pipe manufacturing and comprises a workbench, a group of side plates arranged in parallel, a support frame and a telescopic piece, the side plates are perpendicular to a pressure steel pipe, and stiffening ring hooks are fixedly mounted at one ends, close to the pressure steel pipe, of the two side plates positioned on the outermost side. According to the utility model, the stiffening ring hook is used for barbing the pressure steel pipe, and the stiffening ring is pushed to be close to the pressure steel pipe by matching with the telescopic piece, so that the stiffening ring and the pressure steel pipe can meet the welding requirement; when the device is used, auxiliary workpieces do not need to be welded, and the production efficiency and the product quality can be greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure steel pipe manufacturing, in particular to a highly efficient pressure steel pipe stiffening ring assembly device. Background Art

[0002] During the production process of pressure steel pipes, when installing stiffening rings, in order to ensure that the various technical control indicators of the stiffening rings (such as the gap between the stiffening rings and the outer wall of the steel pipe, the spacing and verticality of the stiffening rings, etc.) meet the design and specification requirements, the generally used method is to pre-weld some auxiliary workpieces (such as jack brackets) on the steel pipe base material, and then use jacks, tensioners, turnbuckles and other tools to adjust the various technical indicators of the stiffening rings until they meet the design and specification requirements.

[0003] When installing the stiffening ring, the process of repeated welding, removal and grinding of auxiliary workpieces on the steel pipe parent material may cause defects such as pits and arc scratches, which will destroy the mechanical properties of the parent material and affect the product quality. In addition, for some high-strength steel materials, the technical specifications strictly prohibit welding auxiliary workpieces on the parent material.

[0004] The traditional installation process of penstock stiffening rings has the following defects:

[0005] 1. Repeated welding of auxiliary workpieces reduces product quality, increases construction costs, requires more time, and has low production efficiency;

[0006] 2. It is not suitable for the production of high-strength steel and pressure steel pipes with special technical requirements.

[0007] To this end, the utility model provides a novel and efficient penstock stiffening ring assembly device. Utility Model Content

[0008] The purpose of the utility model is to overcome the complicated and cumbersome installation of the stiffening rings for pressure steel pipes, to avoid scratches on the steel pipe base material and to affect the performance; to provide an efficient assembly device for stiffening rings for pressure steel pipes which is simple to operate, saves costs, improves production efficiency, effectively protects the overall manufacturing quality of the steel pipe, and saves energy and reduces consumption.

[0009] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0010] An efficient penstock stiffening ring assembly device, comprising:

[0011] Workbench;

[0012] A group of parallel side plates, wherein the side plates are perpendicular to the pressure steel pipe, and the two outermost side plates are fixedly installed with stiffening ring hooks at one end close to the pressure steel pipe, and the two stiffening ring hooks are arranged opposite to each other, and the end of the side plate away from the pressure steel pipe is fixedly installed with a top seat;

[0013] A support frame, wherein the support frame is arranged along the axial direction of the pressure steel pipe, and the bottom of the support frame is fixedly connected to the top of the workbench, and a positioning opening is opened on the top of the support frame;

[0014] The telescopic member has its main body clamped at the positioning opening, and the fixed end of the telescopic member abuts against the side of the top seat, and the telescopic end of the telescopic member faces the pressure steel pipe.

[0015] As a further description of the above technical solution:

[0016] It also includes: a cover plate, the cover plate is hingedly connected to the top seat, the cross section of the cover plate is in an "L" shape, and a matching opening corresponding to the positioning opening is opened on one side of the cover plate corresponding to the support frame;

[0017] When the cover is in a closed state, locking pins are arranged between the cover and the support frame.

[0018] As a further description of the above technical solution:

[0019] A rectangular hole is opened on the side surface of the side plate, and the top seat is an I-beam, and the top seat passes through the rectangular holes of all the side plates in sequence.

[0020] As a further description of the above technical solution:

[0021] A sliding rod is fixedly connected to the side surface of the side plate, the stiffening ring hook is slidably connected to the sliding rod, and a limiting plug rod for limiting the sliding of the stiffening ring hook and the sliding rod is inserted on the sliding rod.

[0022] As a further description of the above technical solution:

[0023] There are multiple telescopic parts, and the telescopic parts are hydraulic jacks. The multiple telescopic parts use parallel oil circuits to synchronously control the telescopic movement.

[0024] As a further description of the above technical solution:

[0025] The number of the telescopic parts is equal to the number of stiffening rings required to be installed on the pressure steel pipe.

[0026] The beneficial effects of the utility model: the utility model adopts a stiffening ring hook to hook the pressure steel pipe, and cooperates with the telescopic part to push the stiffening ring close to the pressure steel pipe, so that the stiffening ring and the pressure steel pipe can be welded; the use of this device does not require welding auxiliary workpieces, and its production efficiency and product quality can be greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate an efficient penstock stiffening ring assembly device, the following drawings are shown;

[0028] Figure 1 It is a schematic diagram of the use state of the utility model;

[0029] Figure 2 It is a three-dimensional view of the utility model;

[0030] Figure 3 This is a three-dimensional view of the cover of the utility model in an open state.

[0031] The reference numerals in the accompanying drawings:

[0032] 1. Pressure steel pipe; 2. Workbench; 3. Foundation pit; 4. Driving roller; 5. Side plate; 6. Rectangular hole; 7. Top seat; 8. Stiffening ring hook; 9. Sliding rod; 10. Limiting rod; 11. Support frame; 12. Positioning port; 13. Telescopic part; 14. Cover plate; 15. Matching port. DETAILED DESCRIPTION

[0033] Please refer to the attached Figure 1-Figure 3 , shows an efficient penstock stiffening ring assembly device provided by an embodiment of the present application, comprising a workbench 2, a set of parallel side plates 5, a support frame 11 and a telescopic member 13; wherein the side plates 5 are perpendicular to the penstock 1, and the two outermost side plates 5 are fixedly installed with stiffening ring hooks 8 at one end close to the penstock 1, and the two stiffening ring hooks 8 are arranged opposite to each other, such as Figure 1 As shown in the figure, the two stiffening ring hooks 8 can hook the pressure steel pipe 1 from both ends of the pressure steel pipe 1, the end of the side plate 5 away from the pressure steel pipe 1 is fixedly installed with a top seat 7, the support frame 11 is arranged along the axial direction of the pressure steel pipe 1, and the bottom of the support frame 11 is fixedly connected to the top of the workbench 2, and a positioning hole 12 is opened on the top of the support frame 11. The main part of the telescopic member 13 is stuck in the positioning hole 12, and the fixed end of the telescopic member 13 is against the side of the top seat 7, and the telescopic end of the telescopic member 13 faces the pressure steel pipe 1.

[0034] When using this device, it needs to be completed in the foundation pit 3 where the pressure steel pipe 1 is welded. Figure 1 As shown in the figure, the working table 2 of the device is fixedly installed on the foundation surface on one side of the foundation pit 3, and the pressure steel pipe 1 is placed on the driving roller 4 inside the foundation pit 3. When the driving roller 4 rotates, the pressure steel pipe 1 is driven to rotate.

[0035] Before use, the stiffening ring needs to be rolled into an arc with an arc larger than the outer wall of the pressure steel pipe 1. Each stiffening ring can be connected in two petals. Use lifting equipment to lift the stiffening ring to the center position of the pressure steel pipe and weld it to fix it. Then use the driving roller 4 to rotate the pressure steel pipe in one direction starting from the point where the stiffening ring is fixed.

[0036] 1. Confirm the distance between the telescopic member 13 and the stiffening ring of the pressure steel pipe, and fix the side plate 5 and the top seat 7;

[0037] 2. According to the spacing between the stiffening rings, select the appropriate support frame 11 (the position and number of the positioning openings 12 should correspond to the position and number of the stiffening rings), locate the telescopic member 13, and align the top of the telescopic member 13 with the stiffening ring.

[0038] 3. The telescopic member 13 moves to push into the gap of the stiffening ring until the stiffening ring fits against the outer wall of the pressure steel pipe and meets the welding requirements.

[0039] In one embodiment, it further includes: a cover plate 14 , which is hingedly connected to the top seat 7 , the cross section of the cover plate 14 is in an “L” shape, and a matching opening 15 corresponding to the positioning opening 12 is provided on one side of the cover plate 14 corresponding to the support frame 11 .

[0040] When the cover 14 is in a closed state, locking pins are provided between the cover 14 and the support frame 11 to fix the cover 14 and the support frame 11 . At this time, the telescopic member 13 can be stabilized to prevent the telescopic member 13 from jumping out when working.

[0041] In one embodiment, a rectangular hole 6 is opened on the side of the side plate 5, and the top seat 7 is an I-beam. The top seat 7 passes through the rectangular holes 6 of all the side plates 5 in sequence, so that the connection structure between the side plates 5 and the top seat 7 is relatively stable.

[0042] In one embodiment, a sliding rod 9 is fixedly connected to the side of the side plate 5, the stiffening ring hook 8 is slidably connected to the sliding rod 9, and a limiting plug rod 10 is inserted into the sliding rod 9 to limit the sliding of the stiffening ring hook 8 and the sliding rod 9.

[0043] When the stiffening ring hook 8 is connected to the pressure steel pipe, the limiting rod 10 can be pulled out to slide the stiffening ring hook 8 outward, and after the pressure steel pipe is in place, the stiffening ring hook 8 is slid toward the middle and fixed by the limiting rod 10.

[0044] In one embodiment, a plurality of telescopic members 13 are provided, and the telescopic members 13 are hydraulic jacks. The plurality of telescopic members 13 are synchronously controlled to telescope using parallel oil circuits, thereby achieving efficient welding operations.

[0045] In one embodiment, the number of telescopic members 13 is equal to the number of stiffening rings required to be installed on the penstock 1, so that the welding of the stiffening rings on the penstock can be completed at one time.

[0046] Those skilled in the art will readily come up with other embodiments of the present invention after considering the specification and practicing the disclosure of the present invention. This application is intended to cover any variations, uses or adaptations of the present invention, which follow the general principles of the present invention and include common knowledge or customary technical means in the art that are not disclosed in the present invention. The specification and examples are to be considered as exemplary only, and the true scope and spirit of the present invention are indicated by the following claims.

[0047] It should be understood that relational terms such as "first" and "second" are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. The utility model is not limited to the precise structure described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the utility model is limited only by the appended claims.

Claims

1. An efficient penstock stiffening ring assembly device, comprising a workbench (2), characterized in that: Also includes: A group of side plates (5) arranged in parallel, wherein the side plates (5) are perpendicular to the pressure steel pipe (1), and the two outermost side plates (5) are fixedly mounted with stiffening ring hooks (8) at one end close to the pressure steel pipe (1), and the two stiffening ring hooks (8) are arranged opposite to each other, and the end of the side plate (5) away from the pressure steel pipe (1) is fixedly mounted with a top seat (7); A support frame (11), the support frame (11) is arranged along the axial direction of the pressure steel pipe (1), and the bottom of the support frame (11) is fixedly connected to the top of the workbench (2), and a positioning opening (12) is opened on the top of the support frame (11); A telescopic member (13), wherein the main body of the telescopic member (13) is clamped at the positioning opening (12), and the fixed end of the telescopic member (13) is against the side of the top seat (7), and the telescopic end of the telescopic member (13) faces the pressure steel pipe (1).

2. According to claim 1, a highly efficient penstock stiffening ring assembly device is characterized in that: Also includes: A cover plate (14), the cover plate (14) being hingedly connected to the top seat (7), the cross section of the cover plate (14) being in an "L" shape, and a matching opening (15) corresponding to the positioning opening (12) being provided on a side of the cover plate (14) corresponding to the support frame (11); When the cover plate (14) is in a closed state, locking pins are arranged between the cover plate (14) and the support frame (11).

3. The efficient penstock stiffening ring assembly device according to claim 1 is characterized in that: A rectangular hole (6) is opened on the side surface of the side plate (5), and the top seat (7) is an I-beam. The top seat (7) passes through the rectangular holes (6) of all the side plates (5) in sequence.

4. The efficient penstock stiffening ring assembly device according to claim 1 is characterized in that: A sliding rod (9) is fixedly connected to the side of the side plate (5), the stiffening ring hook (8) is slidably connected to the sliding rod (9), and a limiting plug rod (10) is inserted into the sliding rod (9) to limit the sliding of the stiffening ring hook (8) and the sliding rod (9).

5. The efficient penstock stiffening ring assembly device according to claim 1 is characterized in that: A plurality of telescopic members (13) are provided, and the telescopic members (13) are hydraulic jacks. The plurality of telescopic members (13) are synchronously controlled to telescope using parallel oil circuits.

6. The efficient penstock stiffening ring assembly device according to claim 1 is characterized in that: The number of the telescopic parts (13) is equal to the number of stiffening rings required to be installed on the pressure steel pipe (1).

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