CN111872182B

CN111872182B - Hydraulic pipe bender for building construction

Info

Publication number: CN111872182B
Application number: CN202010728563.8A
Authority: CN
Inventors: 章旭江; 程勇俊; 李亚龙; 王超迪; 沈垚
Original assignee: Zhejiang Dongyang Third Construction Engineering Co ltd
Current assignee: Zhejiang Dongyang Third Construction Engineering Co ltd
Priority date: 2020-07-25
Filing date: 2020-07-25
Publication date: 2022-05-03
Anticipated expiration: 2040-07-25
Also published as: CN111872182A

Abstract

The invention discloses a hydraulic pipe bender for building construction, which relates to the field of building construction, is provided with an automatic replacing mechanism, can automatically replace a tool for bending by the automatic replacing mechanism, is convenient to use and saves manpower, the existing bending device can directly apply force to press a pipeline to deform and bend at the outside, but the mode can cause the pipeline to deform unavoidably, such as the pipeline is broken or flattened directly, therefore, a positioning part comprises a telescopic connecting rod and a limiting flexible shaft, an electric heating element is arranged on the limiting flexible shaft, the limiting flexible shaft can be pushed to the inside of a pipeline bending position by the telescopic connecting rod, the limiting flexible shaft plays a role of supporting the inside of the pipeline to prevent the unavailable deformation from happening at the left and the right, the electric heating element can heat the local part of the pipeline to improve the plasticity of the pipeline, so that the bending is more reliable.

Description

Hydraulic pipe bender for building construction

Technical Field

The invention relates to the technical field of building construction, in particular to a hydraulic pipe bender for building construction.

Background

A hydraulic pipe bender is a novel pipe bending tool with pipe bending and jacking functions, and is mainly used for installing and repairing pipelines in factories, warehouses, wharfs, buildings, railways, automobiles and the like. The hydraulic pipe bender is characterized in that tools with different specifications are required to be used when pipes with different pipe diameters are bent, the tools for pushing bending of the existing pipe bender cannot be disassembled, assembled and replaced, even if the tools can be replaced, the tools also need to be disassembled and assembled, the operation is complex, time and labor are wasted, and therefore the hydraulic pipe bender for building construction can be provided at present, and the tools for bending can be replaced automatically.

Disclosure of Invention

The invention aims to provide a hydraulic pipe bender for building construction, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a hydraulic pipe bender for building construction comprises a pipe bender bottom plate, wherein a plurality of fixed supports for supporting and fixing are fixedly arranged on the lower surface of the pipe bender bottom plate, a lifting push plate is movably arranged at one end of the pipe bender bottom plate, a movable support column with a lifting mechanism is fixedly connected to the lower surface of the lifting push plate, an automatic replacing mechanism is further arranged above the pipe bender bottom plate and comprises a gantry support frame, a fixed transverse support and a tool containing frame, one end of the gantry support frame is fixedly connected to the pipe bender bottom plate, the other end of the gantry support frame is fixedly connected with the fixed transverse support, a clamping structure for slidably clamping the fixed transverse support and the tool containing frame is arranged between the fixed transverse support and the tool containing frame, a plurality of clamping notches with C-shaped cross sections are formed in the tool containing frame, and a pipe bending push rod is clamped in each clamping notch, the upper surface of the bottom plate of the pipe bender is fixedly provided with an arc-shaped bent pipe fixing block, one end of the bent pipe push rod close to the bent pipe fixing block is fixedly provided with a semi-cylindrical bent pipe forming block, a cylindrical section positioned in the clamping gap is arranged on the bent pipe forming block, a downward pressing frame used for pressing the bent pipe push rod downwards is arranged above the fixed transverse support, a limiting structure fixedly connected to the bottom plate of the pipe bender is arranged below the fixed transverse support, a first push block, a second push block, a driving support rod used for driving the bent pipe push rod to move forwards and a power structure used for driving the tool containing frame to move are further arranged; the fixed side extension board and the upper end fixed plate that is provided with in top, upper end fixed plate top still is provided with positioning mechanism, positioning mechanism includes the upper end fly leaf and is used for the drive the flexible drive that the upper end fly leaf removed, upper end fly leaf one end fixedly connected with side locating plate just set up the different positioning hole of a plurality of diameters on the side locating plate, a plurality of holding tanks just have been seted up to the upper end fly leaf other end the holding tank internalization is provided with the locating support that is "L" shape, the one end of locating support with be provided with between the upper end fly leaf and be used for connecting extension spring between them, the other end is provided with the locating part that is used for fixing a position the pipeline position.

As a further scheme of the invention: the clamping structure comprises a dovetail groove formed in the tool storage rack and a dovetail block fixedly connected to the fixed transverse support.

As a still further scheme of the invention: the power structure includes drive gear, driving motor and drive rack, driving motor is fixed to be set up and its drive is connected drive gear, drive rack fixed connection be in on the instrument storage rack and its with the drive gear meshing is connected, driving motor is three-phase asynchronous motor, still is provided with and is used for control driving motor's control box.

As a still further scheme of the invention: the lifting mechanism is a hydraulic lifting mechanism.

As a still further scheme of the invention: the telescopic driving device comprises a hydraulic cylinder and a piston rod.

As a still further scheme of the invention: the side profile of the bent pipe molding block is arc-shaped, the side surface of the bent pipe molding block is arc-shaped, and the inner side of the upper end fixing plate is provided with an energy absorption cushion layer made of elastic deformation plastic materials.

As a still further scheme of the invention: the fixed support is provided with a moving mechanism.

As a still further scheme of the invention: the positioning component comprises a telescopic connecting rod and a limiting flexible shaft, and an electric heating element is arranged on the limiting flexible shaft.

Compared with the prior art, the invention has the beneficial effects that:

be provided with automatic change mechanism, can carry out automatic change to the instrument that is used for bending through being provided with automatic change mechanism, facilitate the use and use manpower sparingly, current bending device mostly is outside direct application of force oppression pipeline deformation and bends, but this kind of mode probably leads to the pipeline to take place unavailable deformation, takes place to break or directly to be flattened if the pipeline, consequently, locating part includes telescopic link and injects the flexible axle, just be provided with electric heating element on the injectting the flexible axle, can with through telescopic link inject the flexible axle and promote to the inside of pipeline position of bending, play the support through injectting the flexible axle inside the pipeline and prevent that it from taking place unavailable deformation about, can heat in order to improve its plasticity through being provided with electric heating element to the part of pipeline for bend more reliably.

Drawings

Fig. 1 is a schematic sectional view of a hydraulic pipe bender for building construction according to the present invention.

Fig. 2 is a partially enlarged schematic structural view of a hydraulic pipe bender for building construction according to the present invention.

Fig. 3 is a schematic perspective view of a part of a hydraulic pipe bender for building construction according to the present invention.

Fig. 4 is a schematic perspective view of another part of the hydraulic pipe bender for building construction according to the present invention.

In the figure: the pipe bending machine comprises a fixed support 1, a movable support column 2, a pipe bending machine bottom plate 3, a lifting push plate 4, a first push block 5, a driving support rod 6, a second push block 7, a limiting structure 8, a gantry support frame 9, a fixed transverse support 10, a tool storage frame 11, a pipe bending push rod 12, a clamping groove 13, a driving gear 14, a driving motor 15, a pressing frame 16, a pipe bending forming block 17, a side support plate 18, an upper end fixing plate 19, a driving rack 20, an upper end movable plate 21, a telescopic driving 22, a positioning through hole 23, a side positioning plate 24, a positioning support 25, a telescopic connecting rod 26, a limiting flexible shaft 27, a stretching spring 28 and a pipe bending fixing block 29.

Detailed Description

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1 to 4, the present embodiment provides a hydraulic pipe bender for building construction, including a pipe bender base plate 3, the pipe bender base plate 3 is fixedly provided with a plurality of fixed supports 1 for supporting and fixing on a lower surface thereof, and one end thereof is movably provided with a lifting push plate 4, the lifting push plate 4 is fixedly connected with a movable support column 2 having a lifting mechanism on a lower surface thereof, the pipe bender base plate 3 is further provided with an automatic replacing mechanism thereon, the automatic replacing mechanism includes a gantry support frame 9, a fixed transverse support 10 and a tool storage rack 11, one end of the gantry support frame 9 is fixedly connected to the pipe bender base plate 3, the other end thereof is fixedly connected to the fixed transverse support 10, a clamping structure for slidably clamping the fixed transverse support 10 and the tool storage rack 11 is provided therebetween, the tool storage rack 11 is provided with a plurality of clamping notches having a C-shaped cross section, and each clamping notch is clamped with a bending notch The upper surface of the bottom plate 3 of the pipe bending machine is fixedly provided with an arc-shaped bent pipe fixing block 29, one end of the bent pipe push rod 12, which is close to the bent pipe fixing block 29, is fixedly provided with a semi-cylindrical bent pipe forming block 17, a cylindrical section which is positioned in the clamping gap is arranged on the bent pipe forming block, a downward pressing frame 16 for pressing the bent pipe push rod 12 downward is arranged above the fixed transverse support 10, a limiting structure 8 fixedly connected to the bottom plate 3 of the pipe bending machine is arranged below the fixed transverse support, a first push block 5, a second push block 7, a driving support rod 6 for driving the bent pipe push rod 12 to move forward is further arranged, and a power structure for driving the tool containing frame 11 to move is further arranged; 3 fixed side extension board 18 and the upper end fixed plate 19 of being provided with in top, upper end fixed plate 19 top still is provided with positioning mechanism, positioning mechanism includes upper end fly leaf 21 and is used for the drive the flexible drive 22 that upper end fly leaf 21 removed, upper end fly leaf 21 one end fixedly connected with side locating plate 24 just set up the different positioning hole 23 of a plurality of diameters on the side locating plate 24, a plurality of holding tanks just have been seted up to the upper end fly leaf 21 other end the holding tank internalization is provided with the locating support 25 that is "L" shape, the one end of locating support 25 with be provided with between the upper end fly leaf 21 and be used for connecting extension spring 28 between the two, the other end is provided with the locating part that is used for fixing a position the pipeline position.

Specifically, the selection of the clamping structure is not limited, and in this embodiment, the clamping structure includes a dovetail groove formed on the tool storage rack 11 and a dovetail block fixedly connected to the fixed transverse bracket 10, and the tool storage rack 11 is slidably clamped to the fixed transverse bracket 10 through the cooperation of the dovetail groove and the dovetail block.

Specifically, the power structure includes drive gear 14, driving motor 15 and drives rack 20, driving motor 15 is fixed to be set up and its drive is connected drive gear 14, drive rack 20 fixed connection be in on the instrument storage rack 11 and its with drive gear 14 meshes the connection, driving motor 15 is three-phase asynchronous machine, still is provided with and is used for control driving motor 15's control box realizes through being provided with the power structure the removal transposition of instrument storage rack 11.

Specifically, the selection of the lifting mechanism is not limited, and as an example, in the present embodiment, the lifting mechanism is a hydraulic lifting mechanism.

Specifically, the telescopic driving telescopic driver 22 includes a hydraulic cylinder and a piston rod, and the telescopic driving telescopic driver 22 is provided to provide power for movement.

Specifically, the side profile of return bend shaping piece 17 is arc and its side and upper end fixed plate 19 inboard all is provided with the energy-absorbing bed course of elastic deformation plastic material, will return bend shaping piece 17's side sets up to the arc can make its and the contact surface of pipeline play certain limited action when preventing greatly to warp, through being provided with the stress when energy-absorbing bed course absorbs partial pipeline and bends, reduces the possibility that its collapse nature warp.

Specifically, the fixed support 1 is provided with a moving mechanism, so that the device is more convenient to move by the moving mechanism.

The working principle of the embodiment is as follows:

when the bending machine is used, the upper end movable plate 21 is driven by the telescopic driving device 22 to move to a proper position, a pipeline to be bent is inserted into the positioning through hole 23 with a corresponding size, the insertion end of the pipeline is abutted against the positioning support 25, the port of the pipeline is sleeved on the positioning part, the pipeline can be pushed forwards to align the position to be bent to the position of the bent pipe fixing block 29, the driving gear 14 is driven by the driving motor 15 to rotate so as to drive the driving rack 20 to move, in this way, the tool containing frame 11 moves along with the movement of the driving rack 20, when the corresponding bent pipe push rod 12 moves above the lifting push plate 4, the downward pressing frame 16 presses downward to enable the cylindrical section on the bent pipe push rod 12 to be separated from the clamping gap, and the limiting structure 8 can play a role in guiding and limiting during the falling of the bent pipe push rod 12, then under the drive of the drive supporting rod 6, the first pushing block 5 and the second pushing block 7 advance and drive the elbow push rod 12 and the elbow forming block 17 to advance, the pipeline bending is realized under the combined action of the elbow forming block 17 and the elbow fixing block 29, meanwhile, the first pushing block 5 and the clamping groove 13 are clamped, so that the elbow push rod 12 can be brought back to the original position through the contraction of the first pushing block 5 after the bending is completed, the size of the position, on the right side of the cylindrical section, of the elbow push rod 12 is larger than the size between the two limiting structures 8, so that the first pushing block 5 is contracted to a certain position under the action of the limiting structures 8 and then separated from the clamping groove 13, and then the lifting push plate 4 rises to push the elbow push rod 12 up and then returns to the corresponding clamping notch.

Example 2

On the basis of embodiment 1, most of the existing bending devices directly apply force to press the pipeline to deform and bend in the outside, but this way may cause the pipeline to deform unavoidably, such as the pipeline is broken or flattened directly, therefore, the positioning component includes a telescopic connecting rod 26 and a limiting flexible shaft 27, and an electric heating element is arranged on the limiting flexible shaft 27, the limiting flexible shaft 27 can be pushed to the inside of the bending position of the pipeline through the telescopic connecting rod 26, the limiting flexible shaft 27 plays a role in supporting the left and right sides in the pipeline to prevent the pipeline from deforming unavoidably, and the electric heating element can heat the local part of the pipeline to improve the plasticity of the pipeline, so that the bending is more reliable.

It should be particularly noted that, although the present specification describes embodiments, each embodiment does not include only an independent technical solution, and such description of the specification is only for clarity, and those skilled in the art should take the specification as a whole, and technical solutions in various embodiments may be appropriately combined to form other embodiments that can be understood by those skilled in the art, and the above-mentioned embodiments only express the preferred embodiments of the technical solutions, and the description thereof is more specific and detailed, but should not be construed as limiting the scope of the claims of the technical solutions. It should be noted that, for those skilled in the art, various modifications, improvements and substitutions can be made without departing from the spirit of the invention, and all of them belong to the protection scope of the technical solution.

Claims

1. A hydraulic pipe bender for building construction is characterized by comprising a pipe bender base plate (3), wherein a plurality of fixed support columns (1) for supporting and fixing are fixedly arranged on the lower surface of the pipe bender base plate (3), a lifting push plate (4) is movably arranged at one end of the pipe bender base plate, a movable support column (2) with a lifting mechanism is fixedly connected to the lower surface of the lifting push plate (4), an automatic replacing mechanism is further arranged above the pipe bender base plate (3), the automatic replacing mechanism comprises a gantry support frame (9), a fixed transverse support (10) and a tool storage rack (11), one end of the gantry support frame (9) is fixedly connected to the pipe bender base plate (3), the other end of the gantry support frame is fixedly connected with the fixed transverse support (10), and a clamping structure for clamping the fixed transverse support (10) and the tool storage rack (11) in a sliding manner is arranged between the fixed transverse support frame (10) and the tool storage rack (11), the tool storage rack (11) is provided with a plurality of clamping notches with C-shaped cross sections and each clamping notch is internally and uniformly connected with a bent pipe push rod (12), the upper surface of the pipe bending machine base plate (3) is fixedly provided with a bent pipe fixing block (29) which is arc-shaped, the bent pipe push rod (12) is close to one end of the bent pipe fixing block (29) is fixedly provided with a bent pipe forming block (17) which is semi-cylindrical and is provided with a cylindrical section which is positioned in the clamping notch, a pressing frame (16) used for pressing the bent pipe push rod (12) is arranged above the fixing transverse support (10), a limiting structure (8) fixedly connected to the pipe bending machine base plate (3) is arranged below the pressing frame, a first push block (5), a second push block (7) and a driving supporting rod (6) used for driving the bent pipe push rod (12) to advance are further arranged, a power structure for driving the tool storage rack (11) to move is further arranged; a side support plate (18) and an upper end fixing plate (19) are fixedly arranged above the bottom plate (3) of the pipe bending machine, a positioning mechanism is also arranged above the upper end fixing plate (19), the positioning mechanism comprises an upper end movable plate (21) and a telescopic drive (22) for driving the upper end movable plate (21) to move, one end of the upper end movable plate (21) is fixedly connected with a side positioning plate (24), a plurality of positioning through holes (23) with different diameters are arranged on the side positioning plate (24), the other end of the upper end movable plate (21) is provided with a plurality of holding grooves, and L-shaped positioning brackets (25) are movably arranged in the holding grooves, an extension spring (28) used for connecting the upper end movable plate (21) and one end of the positioning support (25) is arranged between the upper end movable plate and the positioning support, and a positioning component used for positioning the position of the pipeline is arranged at the other end of the positioning support.

2. The hydraulic pipe bender for building construction according to claim 1, wherein the clamping structure comprises a dovetail groove formed on the tool receiving rack (11) and a dovetail block fixedly connected to the fixed cross bracket (10).

3. The hydraulic pipe bender for building construction according to claim 2, characterized in that the power structure comprises a driving gear (14), a driving motor (15) and a driving rack (20), the driving motor (15) is fixedly arranged and is in driving connection with the driving gear (14), the driving rack (20) is fixedly connected to the tool storage rack (11) and is in meshing connection with the driving gear (14), the driving motor (15) is a three-phase asynchronous motor, and a control box for controlling the driving motor (15) is further provided.

4. The hydraulic pipe bender according to claim 3, wherein said lifting mechanism is a hydraulic lifting mechanism.

5. The hydraulic bender for building construction according to claim 4, characterized in that said telescopic drive (22) comprises a hydraulic cylinder and a piston rod.

6. The hydraulic pipe bender according to claim 5, characterized in that the side profile of the pipe bending forming block (17) is arc-shaped and the side and the inner side of the upper end fixing plate (19) are provided with energy-absorbing cushion layers made of elastic deformation plastic materials.

7. The hydraulic pipe bender for building construction according to claim 6, characterized in that the fixed supporting column (1) is provided with a moving mechanism.

8. The hydraulic pipe bender for building construction according to any of the claims 1 to 7, characterized in that the positioning component comprises a telescopic connecting rod (26) and a limiting flexible shaft (27), and the limiting flexible shaft (27) is provided with an electric heating element.