Electric steel pipe straightening device

Abstract

The utility model provides an electric steel pipe straightening device which comprises a supporting frame, a fixed clamp, a movable clamp and a driving device, and the supporting frame comprises a straightening platform, a mounting frame and a bottom support; the fixing clamp is fixed to the straightening platform and comprises a reinforcing piece and a first clamping groove. The movable clamp is movably arranged on the straightening platform and comprises a second clamping groove and a sliding piece. The driving device is connected with the movable clamp; the first clamping groove and the second clamping groove are both connected with the middle of the straightening platform, and the shape after the first clamping groove and the second clamping groove are connected in an aligned mode is matched with a steel pipe to be straightened. The utility model has the beneficial effects that the operation is simple and can be completed by one person, and a large amount of manpower resources are saved; by arranging the first clamping groove and the second clamping groove, compared with manual straightening, the straightening quality of the steel pipe is easier to control, and it is ensured that the steel pipe meets the use requirement; the device is simple in structure, easy to manufacture, low in machining cost and high in straightening efficiency, can be moved to any position for use, and has good applicability.

Description

Technical Field

[0001] The utility model belongs to the technical field of steel pipe straightening, in particular to an electric steel pipe straightening device. Background Art

[0002] With the development of the construction industry, the demand for scaffolding steel pipes is increasing. However, during the transportation, handling, and removal of scaffolding steel pipes, deformation and bending are inevitable. Given the enormous amount of steel pipe used in each project, often tens of thousands or even hundreds of thousands of meters, the problem of steel pipe straightening has become increasingly prominent. Traditional steel pipe straightening is usually performed manually, which is difficult to operate. Straightening accuracy relies entirely on visual inspection, which cannot guarantee the bending accuracy of the straightened steel pipes. Straightening efficiency is also low, resulting in a significant waste of human resources. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides an electric steel pipe straightening device, which has the advantages of simple operation, easy control of straightening quality, high straightening efficiency, etc.

[0004] The technical solution adopted by the utility model is: an electric steel pipe straightening device, comprising:

[0005] a support frame including a straightening platform;

[0006] a fixing fixture, fixed to the straightening platform, and having a first clamping groove;

[0007] a movable clamp, movably disposed on the straightening platform, and having a second clamping groove disposed opposite to the first clamping groove;

[0008] a driving device connected to the movable fixture, for driving the movable fixture to move toward or away from the fixed fixture;

[0009] The first clamping groove and the second clamping groove are both located in the middle of the straightening platform, and the shapes of the two after being aligned and connected match the steel pipe to be straightened.

[0010] Furthermore, the support frame also includes a mounting frame and a bottom support, the straightening platform is fixed to the upper portion of the mounting frame, and the bottom support is arranged at the lower portion of the mounting frame.

[0011] Furthermore, the fixing fixture includes a plurality of reinforcing members arranged at intervals, and the reinforcing members are fixed to the upper portion of the straightening platform; and the first clamping groove is vertically connected to one end of the reinforcing member.

[0012] Furthermore, the straightening platform includes at least two slide grooves, each of which is perpendicular to the first clamping groove, one end of which extends to the first clamping groove, and the other end of which is provided with a limit piece; the movable clamp is slidably arranged in the slide groove.

[0013] Furthermore, the movable clamp includes a sliding member, the bottom of the sliding member is slidably arranged in the sliding groove, and one end of the sliding member is vertically connected to the second clamping groove; the sliding member is connected to the driving device.

[0014] Furthermore, the sliding member includes a rack arranged along its length direction, and the driving device includes a first transmission gear, which is engaged with the upper part of the rack.

[0015] Furthermore, the driving device further includes a driving motor, a second transmission gear and a third transmission gear, wherein:

[0016] The driving motor is arranged at the lower part of the straightening platform, and its output end is connected to the third transmission gear;

[0017] The straightening platform is provided with a gear groove penetrating along the thickness direction thereof, and the second transmission gear passes through the gear groove and meshes with the third transmission gear;

[0018] The axle of the second transmission gear is connected to the first transmission gear.

[0019] Furthermore, the sliding member includes a sliding frame, the sliding frame has a sliding space for accommodating the first transmission gear, and the rack is provided at the lower part of the sliding space.

[0020] Furthermore, it also includes wheels and a handle, the wheels are arranged at the bottom of the support frame, and the handle is arranged at one end of the support frame.

[0021] The advantages and positive effects of the utility model are:

[0022] (1) The device is used to straighten the steel pipe, which is simple to operate and can be completed by one person, saving a lot of human resources;

[0023] (2) By providing the first clamping groove and the second clamping groove, it is easier to control the straightening quality of the steel pipe than by manual straightening, ensuring that it meets the use requirements;

[0024] (3) The device has a simple structure, is easy to manufacture, has low processing cost, has high straightening efficiency, can be moved to any position for use, and has good applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of a specific embodiment of the utility model;

[0026] Figure 2 yes Figure 1 Schematic diagram of the middle AA section;

[0027] Figure 3 yes Figure 1 Schematic diagram of the middle BB section.

[0028] In the picture:

[0029] 10. Support frame 11. Mounting frame 111. Longitudinal beam

[0030] 112, beam 12, straightening platform 121, chute

[0031] 122, gear groove 123, limiter

[0032] 20, fixing fixture 21, reinforcement 22, first clamping groove

[0033] 30, mobile fixture 31, sliding member 311, sliding frame

[0034] 312, sliding space 313, rack 32, second clamping groove

[0035] 40, driving device 41, driving motor 42, first transmission gear

[0036] 43, second transmission gear 431, axle 44, third transmission gear

[0037] 50. Wheel

[0038] 60. Handle

[0039] 70. Control switch DETAILED DESCRIPTION

[0040] The embodiments of the present invention are described below with reference to the accompanying drawings.

[0041] like Figure 1 As shown, the utility model proposes an electric steel pipe straightening device, including a support frame 10, a fixed clamp 20, a movable clamp 30 and a driving device 40, wherein the support frame 10 includes a straightening platform 12; the fixed clamp 20 is fixed to the straightening platform 12, and has a first clamping groove 22; the movable clamp 30 is movably arranged on the straightening platform 12, and has a second clamping groove 32 arranged opposite to the first clamping groove 22; the driving device 40 is connected to the movable clamp 30, and is used to drive the movable clamp 30 to move closer to or away from the fixed clamp 20; the first clamping groove 22 and the second clamping groove 32 are both located in the middle of the straightening platform 12, and the shape of the two after being aligned and connected matches the steel pipe to be straightened.

[0042] During use, the steel pipe to be straightened is placed on the straightening platform 12, and the driving device 40 is operated, so that the movable clamp 30 moves toward the fixed clamp 20 under the action of the driving device 40. The first clamping groove 22 and the second clamping groove 32 clamp the steel pipe to be straightened as they approach each other until the first clamping groove 22 and the second clamping groove 32 are aligned and connected. During this process, the steel pipe is subjected to opposing forces from the first clamping groove 22 and the second clamping groove 32, causing the protruding portion of the steel pipe to deform until it fits into the inner side of the first clamping groove 22 and the second clamping groove 32, thereby achieving straightening of the steel pipe.

[0043] The first and second clamping grooves 22 and 32 are designed to conform to the shape of the steel pipe to be straightened. After alignment, the inner walls of the first and second clamping grooves 22 and 32 have the same shape as the outer wall of the steel pipe to be straightened. They also possess sufficient rigidity to effectively withstand the forces acting during straightening. It will be appreciated that both the first and second clamping grooves 22 and 32 contact the upper end surface of the straightening platform 12, facilitating easy entry of the steel pipe into the grooves.

[0044] In a specific embodiment, the cross section of the steel pipe to be straightened is circular, and the cross section of the first clamping groove 22 and the second clamping groove 32 after being aligned and connected is also circular, and the diameter of the inner wall thereof is the same as the outer diameter of the steel pipe.

[0045] In this embodiment, the first clamping groove 22 and the second clamping groove 32 are made of seamless steel pipes, which are cut to form the first clamping groove 22 and the second clamping groove 32 of the same shape and size, so that both have a semicircular groove structure.

[0046] Furthermore, the support frame 10 also includes a mounting frame 11 and a bottom support. The straightening platform 12 is fixed to the upper portion of the mounting frame 11 , and the bottom support is arranged at the lower portion of the mounting frame 11 .

[0047] In a specific embodiment, Figure 1 、 Figure 2 As shown, the mounting frame 11 includes a longitudinal beam 111 and a transverse beam 112, which are vertically connected to form a horizontal frame. The straightening platform 12 is fixed to the upper part of the horizontal frame, and the bottom support is connected to the lower part of the horizontal frame, so that the straightening platform 12 has a certain height, which is convenient for operators to operate on the straightening platform 12.

[0048] The size of the straightening platform 12 can be greater than, equal to or smaller than the mounting frame 11. Preferably, the straightening platform 12 is smaller than the mounting frame 11. The straightening platform 12 is fixed to the middle of the longitudinal beam 111 in the longitudinal direction, which is beneficial to reducing the weight of the overall device; the first clamping groove 22 and the second clamping groove 32 are both arranged parallel to the longitudinal direction of the longitudinal beam 111. When in use, the steel pipe is placed along the longitudinal direction of the longitudinal beam 111. The straightening platform 12 and the crossbeam 112 jointly support the length of the steel pipe. The steel pipe can be straightened section by section by moving the steel pipe to one side; it can be understood that the length of each straightening is the length of the second clamping groove 32.

[0049] In the present application, the number of longitudinal beams 111 and transverse beams 112 is not limited.

[0050] Furthermore, if Figure 1 As shown, the fixing fixture 20 includes a plurality of spaced reinforcement members 21 fixed to the upper portion of the straightening platform 12. A first clamping groove 22 is perpendicularly connected to one end of the reinforcement member 21. Specifically, the reinforcement members 21 are perpendicular to the longitudinal beam 111 and evenly spaced, extending from one end of the straightening platform 12 toward the middle thereof, so that the first clamping groove 22 is located in the middle of the straightening platform 12.

[0051] By providing the reinforcement member 21 , good support can be provided when the first clamping groove 22 is subjected to a reaction force from the steel pipe, thereby increasing the rigidity of the first clamping groove 22 and preventing it from moving and deforming.

[0052] Furthermore, the straightening platform 12 includes at least two slide grooves 121 . The slide groove 121 is perpendicular to the first clamping groove 22 , one end of which extends to the first clamping groove 22 , and the other end is provided with a limit piece 123 . The movable clamp 30 is slidably set in the slide groove 121 .

[0053] Specifically, the movable clamp 30 slides along the slide groove 121 between the limit piece 123 and the first clamping groove 22, so that the second clamping groove 32 can be connected to the first clamping groove 22 or away from the first clamping groove 22, which facilitates the loading, moving and unloading of the steel pipe.

[0054] Furthermore, the movable fixture 30 includes a sliding member 31, the bottom of which is slidably disposed in the slide groove 121, and one end of the sliding member 31 is vertically connected to the second clamping groove 32; the sliding member 31 is connected to the driving device 40. Specifically, the second clamping groove 32 is fixed to one end of the sliding member 31 near the first clamping groove 22.

[0055] Through this technical solution, the driving device 40 can drive the sliding member 31 to slide along the sliding groove 121, thereby driving the second clamping groove 32 to approach or move away from the first clamping groove 22, realizing an aligned connection with the first clamping groove 22, thereby straightening the steel pipe; the sliding member 31 can also provide support for the second clamping groove 32 to prevent it from moving and deforming.

[0056] In the present application, the sliding member 31 and the driving device 40 can adopt gear rack transmission, cylinder transmission or other transmission methods.

[0057] Preferably, the sliding member 31 and the driving device 40 adopt a gear rack transmission. Specifically, the sliding member 31 includes a rack 313 arranged along its length direction, and the driving device 40 includes a first transmission gear 42 engaged with the rack 313, and the first transmission gear 42 is engaged with the upper part of the rack 313; when the driving device 40 is running, the first transmission gear 42 rotates, thereby driving the rack 313 engaged with it to move, so that the sliding member 31 moves in the slide groove 121, so that the second clamping groove 32 approaches or moves away from the first clamping groove 22.

[0058] In a specific embodiment, the driving device 40 also includes a driving motor 41, a second transmission gear 43 and a third transmission gear 44, wherein the driving motor 41 is arranged at the lower part of the straightening platform 12, and its output end is connected to the third transmission gear 44; the straightening platform 12 is provided with a gear groove 122 passing through it along the thickness direction, and the second transmission gear 43 passes through the gear groove 122 and engages with the third transmission gear 44; the second wheel shaft 431 of the second transmission gear 43 is connected to the first transmission gear 42.

[0059] In this embodiment, the gear groove 122 is arranged in the middle of the two slide grooves 121 along a direction parallel to the slide groove 121, and the second transmission gear 43 is arranged in the gear groove 122, and its lower end passes through the gear groove 122 and engages with the third transmission gear 44. The second wheel shaft 431 of the second transmission gear 43 is located above the straightening platform 12, and the second wheel shaft 431 of the second transmission gear 43 extends to both sides and is respectively connected to the first transmission gear 42. The first transmission gear 42 is engaged with the rack 313, which on the one hand drives the rack 313 to move, and on the other hand, the rack 313 provides support for the first transmission gear 42 to prevent the second transmission gear 43 from moving downward, ensuring that it can engage with the third transmission gear 44.

[0060] In this embodiment, the size of the gear groove 122 matches the second transmission gear 43 and should not be too large so that the second transmission gear 43 can rotate therein without moving horizontally to any side.

[0061] The above-mentioned drive motor 41 is a bidirectional rotating motor, and its output shaft is connected to the third transmission gear 44, thereby driving the third transmission gear 44 to rotate forward or reverse, and then making the second transmission gear 43 and the first transmission gear 42 rotate synchronously, and finally realizing the second clamping groove 32 approaching or moving away from the first clamping groove 22.

[0062] Furthermore, if Figure 3 As shown, the sliding member 31 includes a sliding frame 311 . The sliding frame 311 has a sliding space 312 for accommodating the first transmission gear 42 . A rack 313 is provided at the lower portion of the sliding space 312 .

[0063] Specifically, the sliding frame 311 is a closed structure, and the first transmission gear 42 is arranged inside the sliding frame 311. The top, bottom, front and rear of the first transmission gear 42 in the rotation direction are surrounded by the sliding frame 311 to prevent the first transmission gear 42 from falling out of the sliding member 31 or moving in the vertical direction when moving back and forth relative to the rack 313.

[0064] In another embodiment of the present application, the driving device 40 includes a dual-output shaft motor, which is fixed to the upper part of the straightening platform 12 and is located between the two slide grooves 121. Its two output shafts are respectively connected to the two first transmission gears 42, and can drive the first transmission gear 42 to rotate forward or reverse.

[0065] Furthermore, the electric steel pipe straightening device proposed in the present application also includes wheels 50 and handles 60 . The wheels 50 are arranged at the bottom of the support frame 10 , and the handle 60 is arranged at one end of the support frame 10 .

[0066] Preferably, the wheels 50 are respectively disposed under the longitudinal beams 111 at both ends; the bottom support is disposed under the cross beam 112 at one end; the handle 60 is fixed to the cross beam 112 and extends upwardly and obliquely toward a side away from the straightening platform 12. When the bottom support is in contact with the ground, the straightening platform 12 is in a horizontal state.

[0067] By providing the wheels 50 and the handle 60 , the entire device can be easily moved to any work site where the steel pipes need to be straightened, thus avoiding repeated transportation of the steel pipes.

[0068] Furthermore, the device is also provided with a control switch 70, which is arranged on the crossbeam 112 or longitudinal beam 111 near the handle 60 for easy operation by the operator; the control switch 70 is electrically connected to the drive motor 41 and can control the drive motor 41 to rotate forward, reverse or pause.

[0069] In a specific embodiment, the longitudinal beams 111 are fabricated from 1.5m long channel steel, and the transverse beams 112 are fabricated from 1m long channel steel. The two longitudinal beams 111 and the two transverse beams 112 are welded together to form a horizontal support frame. The straightening platform 12 is fabricated from a 1.3m x 0.6m reinforced steel plate with a thickness of 20mm. The width of the straightening platform 12 is parallel to the length of the longitudinal beams 111 and is welded to the two longitudinal beams 111. One end of the straightening platform 12 is flush with one longitudinal beam 111, and the other end extends outside the other longitudinal beam 111.

[0070] The reinforcement 21 is made of square steel with a length of 250 mm and is welded to the straightening platform 12 at intervals of 250 mm. One end of the reinforcement 21 is processed into a semicircular groove, and the first clamping groove 22 is welded in the semicircular groove.

[0071] The slide groove 121 is a groove provided on the upper end surface of the straightening platform 12 , with a groove depth of 15 mm and a groove width of 34 mm. The width of the sliding member 31 is 30 mm. The slide groove 121 is filled with lubricating liquid so that the sliding member 31 can slide smoothly in the slide groove 121 .

[0072] The sliding member 31 is made of steel plate, with a semicircular groove machined into one end. The second clamping groove 32 is welded into this semicircular groove. The lower frame is provided with a rack 313, which is 400mm long. The first transmission gear 42 is made of a gear with a radius of 35mm and a thickness of 20mm and is installed inside the sliding member 31.

[0073] The radius of the second transmission gear 43 is 50 mm, the thickness is 15 mm, and the size of the gear groove 122 is 150 mm×25 mm; the radius of the third transmission gear 44 is 100 mm, the thickness is 15 mm, and it can mesh with the second transmission gear 43 .

[0074] The present application proposes a method for using an electric steel pipe straightening device, comprising the following steps:

[0075] S1. Place the steel pipe on the straightening platform 12 between the fixed fixture 20 and the movable fixture 30, so that the section of the steel pipe to be adjusted is aligned with the movable fixture 30, with the concave side of the steel pipe facing the fixed fixture 20 and the convex side of the steel pipe facing the movable fixture 30;

[0076] S2. Operate the drive motor 41 to move the movable clamp 30 toward the fixed clamp 20 to squeeze the steel pipe until the first clamping groove 22 is aligned and connected with the second clamping groove 32;

[0077] S3, controlling the driving motor 41 to reverse, so that the second clamping groove 32 is away from the first clamping groove 22;

[0078] S4, moving the steel pipe so that the next section to be adjusted is aligned with the movable fixture 30, specifically, moving the steel pipe to one side along its length direction;

[0079] S5. Repeat the above steps until the entire steel pipe is straightened.

[0080] The use of this device to straighten the steel pipe is simple to operate and can be completed by one person, saving a lot of human resources; by setting the first clamping groove and the second clamping groove, it is easier to control the straightening quality of the steel pipe than manual straightening to ensure that it meets the use requirements; the device has a simple structure, is easy to manufacture, has low processing cost, has high straightening efficiency, can be moved to any position for use, and has good applicability.

[0081] The above embodiments of the present invention are described in detail. However, the above contents are only preferred embodiments of the present invention and should not be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. An electric steel pipe straightening device, characterized in that: include: a support frame including a straightening platform; a fixing fixture, fixed to the straightening platform, and having a first clamping groove; a movable clamp, movably disposed on the straightening platform, and having a second clamping groove disposed opposite to the first clamping groove; a driving device connected to the movable fixture, for driving the movable fixture to move toward or away from the fixed fixture; The first clamping groove and the second clamping groove are both located in the middle of the straightening platform, and the shapes of the two after being aligned and connected match the steel pipe to be straightened.

2. The electric steel pipe straightening device according to claim 1, characterized in that: The support frame further comprises a mounting frame and a bottom support, the straightening platform is fixed to the upper portion of the mounting frame, and the bottom support is arranged at the lower portion of the mounting frame.

3. The electric steel pipe straightening device according to claim 1 or 2, characterized in that: The fixing fixture includes a plurality of reinforcing members arranged at intervals, and the reinforcing members are fixed to the upper portion of the straightening platform; the first clamping groove is vertically connected to one end of the reinforcing member.

4. The electric steel pipe straightening device according to claim 3, characterized in that: The straightening platform includes at least two slide grooves, each of which is perpendicular to the first clamping groove, one end of which extends to the first clamping groove, and the other end of which is provided with a limit piece; the movable clamp is slidably arranged in the slide groove.

5. The electric steel pipe straightening device according to claim 4, characterized in that: The movable clamp includes a sliding member, the bottom of the sliding member is slidably arranged in the sliding groove, and one end of the sliding member is vertically connected to the second clamping groove; the sliding member is connected to the driving device.

6. The electric steel pipe straightening device according to claim 5, characterized in that: The sliding member includes a rack arranged along its length direction, and the driving device includes a first transmission gear, which is engaged with the upper part of the rack.

7. The electric steel pipe straightening device according to claim 6, characterized in that: The driving device further includes a driving motor, a second transmission gear and a third transmission gear, wherein: The driving motor is arranged at the lower part of the straightening platform, and its output end is connected to the third transmission gear; The straightening platform is provided with a gear groove penetrating along the thickness direction thereof, and the second transmission gear passes through the gear groove and meshes with the third transmission gear; The axle of the second transmission gear is connected to the first transmission gear.

8. The electric steel pipe straightening device according to claim 6 or 7, characterized in that: The sliding member includes a sliding frame having a sliding space for accommodating the first transmission gear, and the rack is provided at a lower portion of the sliding space.

9. The electric steel pipe straightening device according to claim 1, characterized in that: It also includes wheels and a handle, wherein the wheels are arranged at the bottom of the support frame, and the handle is arranged at one end of the support frame.

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