CN210475067U

CN210475067U - Device for bending and straightening steel pipe

Info

Publication number: CN210475067U
Application number: CN201921520666.4U
Authority: CN
Inventors: 刘佳伟; 李元昊; 武少宁; 郭蒋南
Original assignee: Shanghai Baoye Group Corp Ltd
Current assignee: Shanghai Baoye Group Corp Ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-05-08
Anticipated expiration: 2029-09-12

Abstract

The utility model relates to a device for steel pipe bending and straightening, which comprises a supporting frame body, wherein the supporting frame body comprises a plurality of transverse supporting pipes, vertical supporting pipes and oblique supporting pipes, the transverse supporting pipes, the vertical supporting pipes and the oblique supporting pipes are connected through fasteners, and a rectangular frame structure is formed after the transverse supporting pipes, the vertical supporting pipes and the oblique supporting pipes are connected; the two inclined supporting tubes of the supporting frame body are detachably connected with bearing tubes through fasteners, the number of the bearing tubes is two, and each bearing tube is provided with a limiting piece; the connecting pipe can be dismantled through the fastener and be connected with between two horizontal stay pipes on support frame body upper portion, connecting pipe quantity is two, is provided with the brace table between two connecting pipes, sliding connection has the slider on the brace table, be provided with hydraulic pressure lifting piece on the slider, be provided with the locating part on the hydraulic pressure lifting piece. The utility model discloses the equipment is simple and convenient, uses in a flexible way, can convenient realization to the microbend or the alignment of steel pipe, is applicable to the construction site.

Description

Device for bending and straightening steel pipe

Technical Field

The utility model relates to a construction engineering field especially relates to a device that is used for steel pipe bending and straightening.

Background

The special-shaped structure is frequently seen in the current building industry, finished steel pipes of a steel pipe fastener type scaffold as a mainstream supporting system are all straight lines, the construction is difficult usually when the supporting system is made to a structure model with a radian, the two ends of a frame body cannot be effectively connected, and when concrete pouring is carried out, the impact load of a pump pipe is large, the main node fastener is easy to shake loose and fall, huge potential safety hazards exist, for the reason, the steel pipe needs to be bent into a required angle usually, if a fine pipe bender is manufactured by using, the equipment is heavy and inconvenient to move, and the mechanical damage is easily caused by using or keeping badly, so that great economic loss is caused.

Meanwhile, when facilities such as a building scaffold, a structural outer frame and a side protection are built, steel pipes are mostly adopted for building, and in the building or dismantling process, due to the problems of uneven stress or improper operation of constructors and the like, the steel pipes are inevitably bent and deformed or damaged, if the bent and deformed steel pipes are repeatedly used, potential safety hazards exist, for the steel pipes, manual hammering is usually adopted, the bent parts are straightened by means of impact force of hammering, but the manual hammering efficiency is relatively low, the straightening quality is not easy to control, the labor intensity is high, and the condition that the steel pipes are flattened to cause pipe fittings to be scrapped can even appear in serious cases. In order to enhance the adaptability of the steel pipe and ensure the safety of field construction, the device for bending and straightening the steel pipe is provided so as to slightly bend or straighten the steel pipe.

Disclosure of Invention

The utility model discloses a solve among the prior art to the inconvenient problem of bending and alignment of steel pipe, provide a device for the crooked alignment of steel pipe, made things convenient for little curved or alignment to the steel pipe, be applicable to the construction site and use.

In order to realize the purpose, the technical scheme of the utility model is that:

a device for bending and straightening steel pipes comprises a supporting frame body, wherein the supporting frame body comprises a plurality of transverse supporting pipes, vertical supporting pipes and oblique supporting pipes, the transverse supporting pipes are located at the upper ends and the lower ends of the vertical supporting pipes, the oblique supporting pipes are distributed on the vertical supporting pipes in an inclined mode, the transverse supporting pipes, the vertical supporting pipes and the oblique supporting pipes are detachably connected through fasteners, and the transverse supporting pipes, the vertical supporting pipes and the oblique supporting pipes are connected to form a rectangular frame structure;

the support frame is characterized in that a bearing pipe is detachably connected between two inclined support pipes of the support frame body through a fastener, the number of the bearing pipes is two, the two bearing pipes are distributed in a vertically staggered manner, and each bearing pipe is provided with a limiting part;

the connecting pipe can be dismantled through the fastener and be connected with between two horizontal stay pipes on support frame body upper portion, connecting pipe quantity is two, and interval distribution about two connecting pipes is provided with the brace table between two connecting pipes, the sliding connection has the slider on the brace table, be provided with hydraulic pressure jacking piece on the slider, be provided with the locating part on the hydraulic pressure jacking piece.

Further, horizontal stay tube and vertical stay tube vertical distribution, slant stay tube one end is connected with vertical stay tube, and the other end downward sloping is connected with horizontal stay tube.

Further, the fastener is a cross fastener for buildings.

Furthermore, the support table is of a rectangular plate-shaped structure, and a long strip-shaped sliding groove is formed in the middle of the support table.

Furthermore, the sliding piece comprises a sliding plate, a pulley and a mounting seat, the sliding plate is located on a plane of the support table, the pulley is connected to the sliding plate in a rotating mode, the mounting seat comprises a vertical section and a horizontal section, the vertical section and the horizontal section are connected in a 'split' shape, the upper end of the vertical section sequentially penetrates through the sliding groove and the sliding plate and is arranged on the upper portion of the sliding plate, a pin shaft is arranged at the upper end of the vertical section in a penetrating mode, the pin shaft is in interference fit with the vertical section, and an interval exists between the upper plane of the horizontal section and the lower plane of the support table.

Furthermore, the hydraulic jacking piece is one of a manual jack or a hydraulic oil cylinder, and is fixedly arranged at the lower part of the horizontal section.

Furthermore, the locating part comprises a clamping seat and a limiting pipe, the section of the clamping seat is in an arch shape, the limiting pipe is in a semicircular pipe shape, the clamping seat is rotatably connected with the limiting pipe, the clamping seat at the bearing pipe is connected with the bearing pipe through a U-shaped bolt, the directions of openings of the two limiting pipes at the bearing pipe are opposite, and the clamping seat at the hydraulic jacking part is welded with the hydraulic jacking part.

Through the technical scheme, the beneficial effects of the utility model are that:

the utility model discloses a vertical stay tube, horizontal stay tube and slant stay tube's mutual lock support the support body in order to constitute, used material mostly adopts on-the-spot steel pipe fastener equipment, and the material is easy, and the equipment is simple and convenient, can dismantle at any time, and the flexibility is strong, does according to the whole length of on-the-spot actual conditions adjustment, interval, height, is applicable to the construction site.

The utility model discloses the steel pipe of the bearing pipe of setting for needs microbending or alignment supports with the atress, constructor can adjust the operation in steel pipe one end, the horizontal slip on the supporting bench of hydraulic pressure lifting accessible slider that sets up simultaneously, adjust in addition hydraulic pressure lifting a small-amplitude supplementary regulation through the manual work by a wide margin, can solve the work that steel pipe alignment or microbending were handled well, and then guarantee the microbending or the alignment effect of steel pipe, realize the steel pipe reutilization, thereby reduce construction cost.

The hydraulic jacking piece arranged in the utility model can not only assist the manual work to adjust in small amplitude, but also move the hydraulic jacking piece by moving the sliding piece according to the length of the steel pipe when the steel pipe needing to be slightly bent or straightened is short, and slightly bent or straightened only by the hydraulic jacking piece, so that the labor force is not consumed, the requirements of different projects on the adjustment of the steel pipes with different lengths can be met, and the whole use is flexible; the locating part that sets up is convenient with the installation of bearing pipe, and spacing pipe is half tubular simultaneously, can prevent operation in-process steel pipe upset that sideslips, plays simultaneously and prevents flattening, the flat effect of pressing.

Drawings

Fig. 1 is a schematic view of the overall structure of a device for bending and straightening steel pipes according to the present invention.

Fig. 2 is a schematic view of a direction a in fig. 1 of a device for bending and straightening steel pipes according to the present invention.

Fig. 3 is a schematic view of the installation of the supporting table and the sliding member of the device for bending and straightening steel pipes according to the present invention.

Fig. 4 is an installation schematic diagram of the bearing pipe and the limiting part of the device for bending and straightening the steel pipe according to the present invention.

Fig. 5 is a schematic view of the usage state of the device for bending and straightening steel pipes according to the present invention.

The reference numbers in the drawings are as follows: 1 is horizontal prop pipe, 2 is vertical prop pipe, 3 is the slant prop pipe, 4 is the fastener, 5 is the bearing pipe, 601 is the cassette, 602 is spacing pipe, 7 is the connecting pipe, 8 is for propping the platform, 9 is the sliding plate, 10 is the pulley, 11 is the mount pad, 111 is vertical section, 112 is the horizontal segment, 12 is the sliding tray, 13 is the round pin axle, 14 is hydraulic pressure jacking spare.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments:

as shown in fig. 1 to 5, a device for bending and straightening steel pipes comprises a supporting frame body, wherein the supporting frame body comprises a plurality of transverse supporting pipes 1, vertical supporting pipes 2 and inclined supporting pipes 3, the transverse supporting pipes 1 are positioned at the upper ends and the lower ends of the vertical supporting pipes 2, the transverse supporting pipes 1 and the vertical supporting pipes 2 are vertically distributed, the inclined supporting pipes 3 are obliquely distributed on the vertical supporting pipes 2, one ends of the inclined supporting pipes 3 are connected with the vertical supporting pipes 2, the other ends of the inclined supporting pipes are downwards inclined and connected with the transverse supporting pipes 1, the vertical supporting pipes 2 and the inclined supporting pipes 3 are detachably connected through fasteners 4, and the transverse supporting pipes 1, the vertical supporting pipes 2 and the inclined supporting pipes 3 are connected to form a rectangular frame structure;

the support frame is characterized in that bearing pipes 5 are detachably connected between two inclined support pipes 3 of the support frame body through fasteners 4, the number of the bearing pipes 5 is two, the two bearing pipes 5 are distributed in a vertically staggered manner, and each bearing pipe 5 is provided with a limiting piece;

support and can dismantle through fastener 4 between two horizontal stay tubes 1 on support frame body upper portion and be connected with connecting pipe 7, connecting pipe 7 quantity is two, and interval distribution about two connecting pipes 7 is provided with between two connecting pipes 7 and props platform 8, prop platform 8 and be the rectangle platelike structure, sliding connection has the slider on propping platform 8, be provided with hydraulic pressure piece 14 of lifting on the slider, be provided with the locating part on the hydraulic pressure piece 14 of lifting.

Specifically, in this embodiment, the fastener 4 is a cross fastener for building.

In this embodiment, the middle of the supporting platform 8 is provided with a strip-shaped sliding groove 12; the sliding part comprises a sliding plate 9, a pulley 10 and a mounting seat 11, the cross section of the sliding plate 9 is in a shape like a Chinese character 'hui', the sliding plate 9 is positioned on the upper plane of the supporting table 8, the pulley 10 is rotatably connected to the sliding plate 9, the mounting seat 11 comprises a vertical section 111 and a horizontal section 112, the vertical section 111 and the horizontal section 112 are connected and then are in a shape like a Chinese character 'jip', the upper end of the vertical section 111 sequentially penetrates through a sliding groove 12 and the sliding plate 9 and is arranged on the upper part of the sliding plate 9, a pin shaft 13 penetrates through the upper end of the vertical section 111, the pin shaft 13 is in interference fit with the vertical section 111, and an interval exists between the upper plane of; specifically, the hydraulic lifting member 14 is a manual jack, and the hydraulic lifting member 14 is fixedly disposed at the lower portion of the horizontal section 112.

In this embodiment, the limiting member includes a clamping seat 601 and a limiting pipe 602, the section of the clamping seat 601 is in an arch shape, the limiting pipe 602 is in a semicircular pipe shape, the clamping seat 601 and the limiting pipe 602 are rotatably connected, the clamping seat 601 at the position of the bearing pipe 5 is connected with the bearing pipe 5 through a U-shaped bolt, the openings of the two limiting pipes 602 at the position of the bearing pipe 5 face each other, and the clamping seat 601 at the position of the hydraulic jacking member 14 is welded to the hydraulic jacking member 14.

When the utility model is built, the vertical bracing tube 2, the horizontal bracing tube 1, the oblique bracing tube 3, the bearing tube 5 and the connecting tube 7 are all made of steel tubes for construction, cross fasteners for construction are adopted to connect and fasten the steel tubes, then the limiting parts and the bearing tube 5 are installed through U-shaped bolts, and the openings of the limiting tubes 602 of the two limiting parts are opposite in direction; the support table 8 and the connecting pipe 7 are installed through a U-shaped bolt, the sliding plate 9 and the pulley 10 are installed and then are arranged at the upper part of the support table 8, the pulley 10 is in contact with the upper plane of the support table 8, the upper end of the vertical section 111 of the installation seat 11 sequentially penetrates through the sliding groove 12 and the sliding plate 9 and is arranged at the upper end of the sliding plate 9, the pin shaft 13 is adopted to penetrate through the upper end of the vertical section 111 so as to fix the installation seat 11 and the sliding plate 9, and at the moment, an interval exists between the upper plane of the horizontal section 112 of the installation seat 11 and; after the base of the manual jack is welded to the horizontal section 112 of the mounting base 11, the clamping base 601 of the limiting member is welded to the piston rod of the manual jack, so that the three limiting members are ensured to be on the same straight line.

When the steel pipe needs to be slightly bent or straightened, the steel pipe is placed in the limiting pipes 602 on the two bearing pipes 5 only by placing the slightly bent or straightened parts of the steel pipe, the two limiting pipes 602 serve as upper and lower stress points to clamp the steel pipe from the upper side and the lower side, the steel pipe is limited by the limiting pipes on the other hand, the steel pipe is prevented from sideslipping and deflecting, and the purpose of slightly bending or straightening can be achieved by manually pressing one end of the steel pipe after the steel pipe is placed and completed.

The steel pipe can be pushed down from steel pipe one end artificially, after will reaching required bending angle or horizontal angle promptly, this moment for avoiding artifical pushing down again and causing the excessive regulation of steel pipe angle, accessible manual jack adjusts this moment, manual jack makes the piston rod stretch out, then make spacing pipe 602 on the piston rod cooperate with the steel pipe, manual jack exerts external force to the steel pipe, receive the interaction force factor, the steel pipe exerts the counter force to manual jack, then pulley 10 no longer with prop up the planar contact on the platform 8, horizontal segment 112 and prop up the platform 8 lower planar in close contact with, can prevent that manual jack from sliding easily, manual jack constantly exerts external force to the steel pipe, make it slowly approach to required bending angle or horizontal angle, thereby guarantee microbending or alignment effect.

When the steel pipe that needs little curved or alignment is shorter, the manual work is pushed down comparatively hard, can come to make hand jack shift position through removing the slider according to steel pipe length, only carries out little curved or alignment to the steel pipe through hand jack's effect, and the whole use is nimble to satisfy the demand of different projects to the steel pipe adjustment of different length.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that equivalent changes or modifications made by the structure, features and principles of the present invention should be included in the claims of the present invention.

Claims

1. The device for bending and straightening the steel pipe comprises a supporting frame body and is characterized in that the supporting frame body comprises a plurality of transverse supporting pipes (1), vertical supporting pipes (2) and inclined supporting pipes (3), the transverse supporting pipes (1) are positioned at the upper end and the lower end of each vertical supporting pipe (2), the inclined supporting pipes (3) are distributed on the vertical supporting pipes (2) in an inclined manner, the transverse supporting pipes (1), the vertical supporting pipes (2) and the inclined supporting pipes (3) are detachably connected through fasteners (4), and the transverse supporting pipes (1), the vertical supporting pipes (2) and the inclined supporting pipes (3) are connected to form a rectangular frame structure;

the support frame is characterized in that a bearing pipe (5) is detachably connected between two inclined support pipes (3) of the support frame body through a fastener (4), the number of the bearing pipes (5) is two, the two bearing pipes (5) are distributed in a vertically staggered manner, and each bearing pipe (5) is provided with a limiting part;

support and can dismantle through fastener (4) between two horizontal stay tubes (1) on support frame body upper portion and be connected with connecting pipe (7), connecting pipe (7) quantity is two, and interval distribution about two connecting pipes (7) is provided with between two connecting pipes (7) and props platform (8), sliding connection has the slider on propping platform (8), be provided with hydraulic pressure on the slider and lift a (14), be provided with the locating part on hydraulic pressure lifts a (14).

2. The device for bending and straightening the steel pipe according to claim 1, wherein the transverse bracing pipe (1) and the vertical bracing pipe (2) are vertically distributed, one end of the inclined bracing pipe (3) is connected with the vertical bracing pipe (2), and the other end of the inclined bracing pipe is downwards inclined and connected with the transverse bracing pipe (1).

3. The device for bending and straightening steel pipes according to claim 1, wherein the fasteners (4) are cross fasteners for buildings.

4. The device for bending and straightening the steel pipe according to claim 1, wherein the supporting platform (8) is of a rectangular plate-shaped structure, and the middle part of the supporting platform (8) is provided with an elongated sliding groove (12).

5. The device for bending and straightening the steel pipe according to claim 4, wherein the sliding part comprises a sliding plate (9), a pulley (10) and a mounting seat (11), the sliding plate (9) is located on the upper plane of the support table (8), the pulley (10) is rotatably connected to the sliding plate (9), the mounting seat (11) comprises a vertical section (111) and a horizontal section (112), the vertical section (111) and the horizontal section (112) are connected to form a 'notch', the upper end of the vertical section (111) sequentially penetrates through the sliding groove (12) and the sliding plate (9) and is arranged on the upper part of the sliding plate (9), a pin shaft (13) is arranged at the upper end of the vertical section (111), the pin shaft (13) is in interference fit with the vertical section (111), and an interval exists between the upper plane of the horizontal section (112) and the lower plane of the support table (8).

6. The device for bending and straightening the steel pipe according to the claim 5, characterized in that the hydraulic lifting piece (14) is one of a manual jack or a hydraulic oil cylinder, and the hydraulic lifting piece (14) is fixedly arranged at the lower part of the horizontal section (112).

7. The device for bending and straightening the steel pipe according to claim 1, wherein the limiting member comprises a clamping seat (601) and a limiting pipe (602), the section of the clamping seat (601) is arched, the limiting pipe (602) is in a semicircular pipe shape, the clamping seat (601) is rotatably connected with the limiting pipe (602), the clamping seat (601) at the position of the bearing pipe (5) is connected with the bearing pipe (5) through a U-shaped bolt, openings of the two limiting pipes (602) at the position of the bearing pipe (5) face to each other, and the clamping seat (601) at the position of the hydraulic jacking member (14) is welded with the hydraulic jacking member (14).