CN215143652U - Large-diameter steel pipe hydraulic jacking and bending device - Google Patents

Large-diameter steel pipe hydraulic jacking and bending device Download PDF

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Publication number
CN215143652U
CN215143652U CN202120790782.9U CN202120790782U CN215143652U CN 215143652 U CN215143652 U CN 215143652U CN 202120790782 U CN202120790782 U CN 202120790782U CN 215143652 U CN215143652 U CN 215143652U
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China
Prior art keywords
counter
bending
fixture
force
base
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Active
Application number
CN202120790782.9U
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Chinese (zh)
Inventor
祝长春
强耀锋
王晨光
白倩茹
雷鹏辉
王红凯
赵航
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China Communications Road And Bridge Construction Co ltd Overseas Branch
Road and Bridge International Co Ltd
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China Communications Road And Bridge Construction Co ltd Overseas Branch
Road and Bridge International Co Ltd
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Priority to CN202120790782.9U priority Critical patent/CN215143652U/en
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Abstract

The utility model provides a large-diameter steel pipe hydraulic pressure bending device, which comprises a plate-type base, wherein one side of the base is welded with a counter-force beam, and the other side opposite to the counter-force beam is welded with a counter-force seat; a fixed passive top bending fixture is arranged in the middle of one side, facing the counter-force seat, of the counter-force beam, and two adjustable passive top bending fixtures are symmetrically arranged on two sides of the fixed passive top bending fixture; a hydraulic jack is arranged at one end, facing the counter-force beam, of the counter-force seat, the front end of the hydraulic jack is connected with a driving ejection bending fixture, and the driving ejection bending fixture is opposite to and fixes the driven ejection bending fixture. And (3) clamping two ends of the steel pipe to be bent into the clamping grooves of the adjustable passive bending clamping devices, and pushing the steel pipe by the hydraulic jack until the steel pipe is completely contacted with the fixed passive bending clamping devices, so that the steel pipe can be bent to the designed bending degree. The utility model discloses can adopt the on-the-spot material and machines commonly used of engineering preparation, convenient operation, it is with low costs, the precision is reliable, can satisfy the site operation requirement.

Description

Large-diameter steel pipe hydraulic jacking and bending device
Technical Field
The utility model belongs to the technical field of the steel construction processing, concretely relates to major diameter steel pipe hydraulic pressure top is curved device.
Background
In the process of processing a steel structure for building construction, some steel pipes are bent according to design requirements sometimes. At present, steel pipes with the diameter of more than 100mm are bent, no mature tool is available on an engineering construction site, large special equipment of a professional manufacturer is generally needed, the cost is high, and the steel pipes need to be transported back and forth, so that the site construction requirements cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem, provide a simple structure, with low costs, dependable performance, the major diameter steel pipe bending apparatus of being convenient for use at the job site.
The technical scheme of the utility model as follows:
the utility model provides a curved device of major diameter steel pipe hydraulic pressure top which characterized in that: the device comprises a plate-type base, wherein one side of the base is welded with a counter-force beam, and the other side opposite to the counter-force beam is welded with a counter-force seat; a fixed passive bending-pushing fixture is arranged in the middle of one side, facing the counter-force seat, of the counter-force beam, the fixed passive bending-pushing fixture is fixedly connected with the counter-force beam through a bolt, two adjustable passive bending-pushing fixtures are symmetrically arranged on two sides of the fixed passive bending-pushing fixture, each adjustable passive bending-pushing fixture is connected with a base through a pin shaft, the base is connected with the counter-force beam through a bolt, a plurality of strip-shaped through holes are longitudinally formed in the joint of the counter-force beam and the base, the bolts, connected with the counter-force beam, of the base are inserted into the strip-shaped through holes and can transversely slide along the strip-shaped through holes, a connecting plate is welded on the base and connected with the adjustable passive bending-pushing fixture through a vertically arranged pin shaft, and the adjustable passive bending-pushing fixture can rotate left and right around the pin shaft; a hydraulic jack is arranged at one end, facing the counter-force beam, of the counter-force seat, a base of the hydraulic jack is connected with the counter-force seat through a bolt, a flange steel plate is welded at the front end of a piston of the hydraulic jack, the flange steel plate is connected with an active bending fixture through a bolt, and the active bending fixture is opposite to a fixed passive bending fixture in the middle of the counter-force beam; the fixed passive top-bending fixture, one side of the adjustable passive top-bending fixture facing the counter-force seat and one side of the active top-bending fixture facing the counter-force beam are respectively provided with an arc-shaped clamping groove, and the arc diameter of each arc-shaped clamping groove is consistent with the outer diameter of the steel pipe to be bent.
The utility model discloses can adopt materials and machines such as steel sheet, shaped steel, hydraulic jack that the engineering scene is commonly used to make by oneself, simple structure, convenient operation, low cost, the precision is reliable, can satisfy the site operation demand.
Drawings
Fig. 1 is a schematic view of the overall structure and the usage status of the present invention.
Fig. 2 is a schematic structural view of a fixed passive clamp.
Detailed Description
As shown in fig. 1, the utility model comprises a plate-type base 1, a counter-force beam 2 welded on one side of the base, and a counter-force seat 3 welded on the other side opposite to the counter-force beam; a fixed passive bending-pushing fixture 4 is arranged in the middle of one side, facing the counter-force seat, of the counter-force beam 2, the fixed passive bending-pushing fixture is fixedly connected with the counter-force beam through a bolt, two adjustable passive bending-pushing fixtures 5 are symmetrically arranged on two sides of the fixed passive bending-pushing fixture, each adjustable passive bending-pushing fixture 5 is connected with a base 6 through a pin shaft, the base 6 is connected with the counter-force beam through a bolt, a plurality of strip-shaped through holes 7 are longitudinally formed in the joint of the counter-force beam and the base, the bolt connected with the counter-force beam on the base is inserted into the strip-shaped through holes and can transversely slide along the strip-shaped through holes, a connecting plate 8 is welded on the base, the connecting plate 8 is connected with the adjustable passive bending-pushing fixture through a vertically arranged pin shaft 9, and the adjustable passive bending-pushing fixture can rotate left and right around the pin shaft; a hydraulic jack 10 is arranged at one end, facing the counter-force beam, of the counter-force seat 3, a base of the hydraulic jack is connected with the counter-force seat through a bolt, a flange steel plate 11 is welded at the front end of a piston of the hydraulic jack 10, the flange steel plate 11 is connected with an active bending fixture 12 through a bolt, and the active bending fixture is opposite to a fixed passive bending fixture in the middle of the counter-force beam; the fixed passive top-bending fixture, one side of the adjustable passive top-bending fixture facing the counter-force seat and one side of the active top-bending fixture facing the counter-force beam are respectively provided with an arc-shaped clamping groove, and the arc diameter of each arc-shaped clamping groove is consistent with the outer diameter of the steel pipe to be bent.
The utility model discloses during the implementation, all fixtures all adopt the steel sheet to weld, show as in fig. 2 and use fixed passive fixture 4 as the example, including a backplate 41, 2-3 blocks of cardboard 42 of one side welding of backplate set up draw-in groove 45 on the cardboard, and the top and the bottom of cardboard and backplate weld roof 43 and bottom plate 44 respectively. The adjustable passive bending fixture and the active bending fixture have the same structure as the structure. The back plate for fixing the passive bending fixture is connected with the counter-force beam through a bolt, the back plate for adjusting the passive bending fixture is connected with the base through a pin shaft, and the back plate for driving the passive bending fixture is connected with a flange steel plate at the front end of the hydraulic jack through a bolt. Above-mentioned structure, all fixture all can be dismantled, are convenient for change the fixture that matches according to the diameter of waiting the curved steel pipe in top.
The utility model discloses during the use, earlier according to the design camber of treating the curved steel pipe in top, loosen the connecting bolt between base and counter-force roof beam, slide the base to suitable position along the counter-force roof beam, then screw up bolt fastening base, will treat the curved steel pipe 13 card in the draw-in groove of two adjustable passive curved fixture 5 in top, start hydraulic jack 10, the curved fixture 12 in initiative top that makes its front end blocks the steel pipe and pushes away the steel pipe top curved forward, adjustable passive curved fixture 4 in top can change along with the change of steel pipe camber during the top is curved, to the draw-in groove full contact on steel pipe and the passive curved fixture 4 in top, can be with the curved design camber in steel pipe top.

Claims (1)

1. The utility model provides a curved device of major diameter steel pipe hydraulic pressure top which characterized in that: the device comprises a plate-type base, wherein one side of the base is welded with a counter-force beam, and the other side opposite to the counter-force beam is welded with a counter-force seat; a fixed passive bending-pushing fixture is arranged in the middle of one side, facing the counter-force seat, of the counter-force beam, the fixed passive bending-pushing fixture is fixedly connected with the counter-force beam through a bolt, two adjustable passive bending-pushing fixtures are symmetrically arranged on two sides of the fixed passive bending-pushing fixture, each adjustable passive bending-pushing fixture is connected with a base through a pin shaft, the base is connected with the counter-force beam through a bolt, a plurality of strip-shaped through holes are longitudinally formed in the joint of the counter-force beam and the base, the bolts, connected with the counter-force beam, of the base are inserted into the strip-shaped through holes and can transversely slide along the strip-shaped through holes, a connecting plate is welded on the base and connected with the adjustable passive bending-pushing fixture through a vertically arranged pin shaft, and the adjustable passive bending-pushing fixture can rotate left and right around the pin shaft; a hydraulic jack is arranged at one end, facing the counter-force beam, of the counter-force seat, a base of the hydraulic jack is connected with the counter-force seat through a bolt, a flange steel plate is welded at the front end of a piston of the hydraulic jack, the flange steel plate is connected with an active bending fixture through a bolt, and the active bending fixture is opposite to a fixed passive bending fixture in the middle of the counter-force beam; the fixed passive top-bending fixture, one side of the adjustable passive top-bending fixture facing the counter-force seat and one side of the active top-bending fixture facing the counter-force beam are respectively provided with an arc-shaped clamping groove, and the arc diameter of each arc-shaped clamping groove is consistent with the outer diameter of the steel pipe to be bent.
CN202120790782.9U 2021-04-17 2021-04-17 Large-diameter steel pipe hydraulic jacking and bending device Active CN215143652U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120790782.9U CN215143652U (en) 2021-04-17 2021-04-17 Large-diameter steel pipe hydraulic jacking and bending device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120790782.9U CN215143652U (en) 2021-04-17 2021-04-17 Large-diameter steel pipe hydraulic jacking and bending device

Publications (1)

Publication Number Publication Date
CN215143652U true CN215143652U (en) 2021-12-14

Family

ID=79360722

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120790782.9U Active CN215143652U (en) 2021-04-17 2021-04-17 Large-diameter steel pipe hydraulic jacking and bending device

Country Status (1)

Country Link
CN (1) CN215143652U (en)

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