CN214516876U

CN214516876U - Rectangular steel pipe surface depression correcting device

Info

Publication number: CN214516876U
Application number: CN202023107266.6U
Authority: CN
Inventors: 倪可斌; 方春生; 陈韬; 张瑜; 沈念龙; 耿开通; 刘路; 王龙
Original assignee: China Construction Science And Industry Co ltd
Current assignee: China Construction Science And Industry Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-10-29
Anticipated expiration: 2030-12-21

Abstract

The utility model relates to the technical field of steel structure manufacturing, and discloses a rectangular steel pipe surface depression correction device, which comprises a counter-force component and at least two installation positions which are arranged side by side at intervals; the pull-bearing assembly comprises at least two pull-bearing assemblies, each pull-bearing assembly comprises a pull-bearing piece and/or a pull-drawing piece, one end of each pull-bearing piece is correspondingly installed at an installation position, the other end of each pull-bearing piece extends towards the direction far away from the corresponding reaction assembly, an installation space is formed between the at least two pull-bearing assemblies, each pull-drawing piece is detachably installed at one end, far away from the corresponding reaction assembly, of each pull-bearing piece, and a connecting end which is matched with the concave area and is fixedly welded is machined; at least one force bearing component is arranged in the installation space and is suitable for being arranged above the sunken area in a spanning mode; at least one pulling part is arranged in the installation space and fixed between the counterforce component and the force bearing component. Through holding the pulling force piece and drawing the piece and can dismantle the connection for correcting unit can reuse, only need process corresponding drawing the piece can.

Description

Rectangular steel pipe surface depression correcting device

Technical Field

The utility model relates to a steel construction preparation technical field specifically is a rectangle steel pipe surface sag correction device.

Background

The rectangular steel pipe is in transportation, bending process, part assembly in-process, because extrusion, collision, atress inequality reason cause the surperficial sunken of rectangular steel pipe easily, unsatisfied standard requirement's surface straightness deviation.

The one-off prying tool for temporary assembly is usually adopted in the prior art, the tool needs to be manufactured temporarily during correction at every time, and the efficiency is low. Most of the corrective prostheses in the prior art are designed for round steel pipes, but have poor applicability to rectangular steel pipes. Therefore, it is necessary to design a surface recess correcting device suitable for a rectangular steel pipe.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome the relatively poor technical problem of steel pipe surface depression prosthetic devices among the prior art to the suitability of rectangle steel pipe to a rectangle steel pipe surface depression correcting unit is provided.

Therefore, the utility model provides a rectangle steel pipe surface sag correction device, include:

the counter force assembly is provided with at least two mounting positions which are arranged side by side at intervals;

at least two tension bearing assemblies, wherein at least one tension bearing assembly comprises a tension bearing piece and/or a pulling piece, one end of the tension bearing piece is correspondingly installed at the installation position, the other end of the tension bearing piece extends towards the direction far away from the counter force assembly, an installation space is formed between the at least two tension bearing assemblies, the pulling piece is detachably installed at one end, far away from the counter force assembly, of the tension bearing piece, and a connecting end which is matched with the recessed area and is welded and fixed is processed on the pulling piece;

the force bearing assembly is arranged in one end of the installation space, which is far away from the counterforce assembly, and is suitable for spanning over a sunken area formed on the surface of the rectangular steel pipe;

and the drawing part is arranged in the installation space, one end of the drawing part is fixed on the counter force component, and the other end of the drawing part is fixed on the force bearing component.

Optionally, in the device for correcting the surface depression of the rectangular steel pipe, all the tension bearing assemblies are composed of a tension bearing piece and a drawing piece.

Optionally, the rectangular steel pipe surface depression correction device includes three tension bearing assemblies, the tension bearing assembly located in the middle is composed of a tension bearing member and a drawing member, and at least one tension bearing assembly in the tension bearing assemblies located on two sides is composed of a tension bearing member and a drawing member.

Optionally, the rectangular steel pipe surface depression correction device is characterized in that the drawing piece is plate-shaped, at least one threaded connection hole is formed in the surface of the drawing piece, and the drawing piece is suitable for being connected to the surface of the corresponding tension bearing piece through a bolt penetrating through the threaded connection hole.

Optionally, the rectangular steel pipe surface depression correction device includes a counter-force component, and the counter-force component includes two crossbeams that set up dorsad and connects at least two connecting plates that are arranged at intervals between two crossbeams, and the installation position is formed by enclosing between two adjacent connecting plates and two crossbeams.

Optionally, the installation position of the rectangular steel pipe surface depression correction device is an installation hole, one end of the tension bearing piece connected with the counterforce component is provided with at least two rows of adjusting holes arranged at intervals along the extending direction of the tension bearing piece, the axis of each adjusting hole is intersected with the axis of the installation hole, and the tension bearing piece is suitable for being installed in the installation hole in a telescopic and adjustable manner by penetrating through the adjusting hole through an adjusting bolt.

Optionally, the rectangular steel pipe surface depression correcting unit, the force bearing assembly includes:

a bearing beam;

and the two cushion block assemblies are connected to the bearing beam at intervals and are suitable for being pressed on the surface of the rectangular steel pipe with the recess.

Optionally, in the device for correcting surface indentation of a rectangular steel pipe, any one of the pad assemblies includes:

the sleeve is slidably sleeved at one end of the bearing beam;

the cushion block is fixedly connected to the bottom end of the sleeve;

the setting element sets up on the sheathed tube lateral wall, can move towards the outer wall of strength roof beam is done and is close to the removal or keep away from the removal, but when being close to the removal the butt be in on the outer wall of strength roof beam with the cushion subassembly is fixed on the strength roof beam outer wall, when keeping away from the removal remove with the butt of the outer wall of strength roof beam so that the cushion subassembly can be followed the strength roof beam slides.

Optionally, the rectangular steel pipe surface depression correcting unit, the cushion block assembly further includes:

the anti-falling stop levers are arranged at two end parts of the bearing beam, and the two end parts of the anti-falling stop levers extend out of two opposite surfaces of the bearing beam.

Optionally, the drawing component is a jack.

The utility model discloses technical scheme has following advantage:

1. the utility model discloses a rectangle steel pipe surface sunken correcting unit strides through the load subassembly and establishes in the sunk part top, is convenient for draw the installation of part, also can shift the effort that draws the part and act on the load subassembly to the web of the steel pipe surface both sides that are formed with the sunk part simultaneously. In addition, the tension bearing piece and the drawing piece are detachably connected, so that the correcting device can be repeatedly used, only the drawing piece needs to be replaced after correction work is completed at every time, the correcting efficiency is improved, meanwhile, only the drawing piece corresponding to surface machining of the concave area needs to be processed, the applicability is high, and the use cost is reduced. The problem of need assemble the correction frock temporarily among the prior art, rectify inefficiency, suitability poor and use cost height is solved.

2. The utility model discloses a rectangle steel pipe surface sag correction device holds the pulling force subassembly and includes at least three, and arbitrary two adjacent holding is formed with installation space between the pulling force subassembly, installs a load subassembly and one in arbitrary installation space and draws the part. Therefore, the correcting device can correct a plurality of positions or a plurality of sunken areas of the sunken area at the same time, and the correcting efficiency is greatly improved.

3. The utility model discloses a rectangle steel pipe surface sunken correcting unit, load subassembly include load roof beam and cushion subassembly, and the cushion subassembly includes sleeve pipe, cushion and location muscle, and on the load roof beam was located through the sleeve pipe cunning for interval between the cushion is adjustable, thereby can satisfy not unidimensional steel pipe or not equidimensional sunk area, and the suitability is strong.

4. The utility model discloses a sunken correcting unit in rectangle steel pipe surface, load subassembly still include the anticreep pin, can prevent effectively that the cushion block subassembly from coming off from the tip of load roof beam.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of three corrections (two drawing parts and two force-bearing components) in which a rectangular steel pipe surface depression correction device in an embodiment of the present invention is fixed on a rectangular steel pipe surface with a depression;

fig. 2 is a schematic structural diagram of the rectangular steel pipe surface depression correction device in the embodiment of the present invention, in which the drawing component and the force bearing component are omitted;

fig. 3 is a schematic structural diagram of a force-bearing component of the rectangular steel pipe surface depression correction device in the embodiment of the present invention;

fig. 4 is a schematic structural diagram of a drawing member of the correcting device for surface sag of a rectangular steel pipe in the embodiment of the present invention;

FIG. 5 is a schematic structural diagram of the calibration device of FIG. 1 after calibration and repair;

fig. 6 is a schematic structural view of a position where the force-bearing component of the correcting device for surface depression of rectangular steel pipe of the embodiment of the present invention is placed on the rectangular steel pipe;

fig. 7 is a schematic structural diagram (two drawing parts and two force-bearing components) of a correction structure of a rectangular steel pipe surface depression correction device in embodiment 2 of the present invention, which is fixed on a rectangular steel pipe surface with a depression;

fig. 8 is a schematic structural diagram (a drawing part and a bearing component) of the rectangular steel pipe surface depression correcting device according to the present invention, in which the bearing component is placed on the rectangular steel pipe surface depression and corrected at two places.

Description of reference numerals:

1-a counter-force assembly; 11-a cross beam; 12-a connecting plate; 13-adjusting the bolt;

2-a tensile force bearing component; 21-a tensile member; 22-a pull; 221-a connection end; 222-threaded connection hole; 23-a bolt;

3-a force bearing component; 31-bearing beam; 32-a pad assembly; 321-a sleeve; 322-a cushion block; 33-a positioning element; 34-an anti-drop stop lever;

4-drawing the part;

5-a steel pipe; 51-a recessed region;

6-installation space.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 to 6, the device for correcting the surface indentation of the rectangular steel tube provided in the present embodiment includes a counterforce component 1, at least two tension bearing components 2, at least one force bearing component 3, and at least one pulling member 4. Wherein the counterforce component 1 has at least two installation positions arranged side by side at intervals. Any tensile force bearing component 2 comprises a tensile force bearing piece 21 and a drawing piece 22, one end of the tensile force bearing piece 21 is correspondingly installed at an installation position, the other end of the tensile force bearing piece extends towards the direction far away from the counter force component 1, an installation space 6 is formed between the two tensile force bearing components 2, the drawing piece 22 is detachably installed at one end, far away from the counter force component 1, of the tensile force bearing piece 21, and a connecting end 221 matched with the concave area 51 and fixed in a welding mode is processed. The force bearing component 3 is arranged in one end of the installation space 6 far away from the counterforce component 1 and is suitable for spanning over a concave area 51 formed on the surface of the rectangular steel pipe 5. The drawing part 4 is arranged in the installation space 6, one end of the drawing part is fixed on the counter force component 1, and the other end of the drawing part is fixed on the force bearing component 3. The pulling part 4 is pulled towards the direction far away from the force bearing component 3, the counter force component 1 is pushed to drive the pulling part 22 of the force bearing component 2 to pull the concave area 51, and therefore the concave area 51 is corrected and repaired.

Specifically, referring to fig. 1 and 2, the tension-bearing assemblies 2 include three, an installation space 6 is formed between any two adjacent tension-bearing assemblies 2, and a force-bearing assembly 3 and a pulling part 4 are installed in any installation space 6. Each tensile assembly 2 comprises a tensile member 21 and a pulling member 22. Therefore, the correcting device can simultaneously correct a plurality of positions of the concave regions 51, the concave regions 51 with different sizes are met, and the applicability is higher. When the length of the sunken area is longer, the installation space between two adjacent tensile force bearing assemblies can be properly increased, only the middle tensile force bearing assembly is required to be positioned in the middle of the sunken area, and the tensile force bearing assemblies on the two sides are respectively positioned at the two ends of the sunken area, so that three synchronous correction positions are formed.

Of the three tensile force bearing assemblies 2, the tensile force bearing member 21 of the tensile force bearing assembly 2 located in the middle and the tensile force bearing member 21 of the tensile force bearing assembly 2 located on both sides have different longitudinal sections, that is, different shapes. Referring to fig. 2, the middle tension-bearing member 21 is in an inverted T shape, and the two side tension-bearing members 21 are in L shapes symmetrically arranged. The corresponding pull elements 22 of the middle tensile assembly 2 are different in shape and size from the pull elements 22 of the two side tensile assemblies 2. Optionally, the tension bearing member 21 and the corresponding pulling member 22 are connected by a threaded connection, so that the tension bearing member 21 and the pulling member 22 are detachably connected, specifically, as shown in fig. 4, a threaded connection hole is formed in the surface of each tension bearing member 21, a threaded connection hole 222 is also formed in the corresponding pulling member 22, and the pulling member 22 is connected to the surface of the corresponding tension bearing member 21 by passing the bolt 23 through the threaded connection hole 222. It should be noted that pulling element 22 can also be connected to tensile member 21 by other detachable connections known to those skilled in the art and readily available, and will not be described or limited in detail herein.

The counter force component 1 comprises two oppositely arranged cross beams 11 and at least two connecting plates 12 connected between the two cross beams 11 and arranged at intervals, and the two adjacent connecting plates 12 and the two cross beams 11 are enclosed to form the mounting position. The mounting position is a mounting hole. Specifically, as shown in fig. 2, the cross beam 11 is two oppositely-arranged channel steel cross beams, three connecting plates 12 are arranged between the two cross beams at intervals, and the three connecting plates 12 are used for welding and fixing the two cross beams 11, so that mounting holes for mounting the tension bearing pieces 21 are defined between every two three connecting plates 12 and between the two cross beams 11. The adjusting mounting holes vertical to the axial direction of the mounting holes are formed in the positions, corresponding to the mounting holes, of each cross beam 11, correspondingly, multiple rows, such as two rows and three rows of adjusting holes 24, which are arranged at intervals in the extending direction, namely the vertical direction, of each tension bearing piece 21 are arranged on each tension bearing piece 21, and the tension bearing pieces 21 can be vertically, telescopically and adjustably mounted in the mounting holes by penetrating through the adjusting mounting holes and the adjusting holes 24 through the adjusting bolts 13. Alternatively, the axis of the mounting hole may not be perpendicular to the axis of the adjustment hole 24, as long as they intersect.

As shown in fig. 3, the bearing assembly 3 includes a bearing beam 31, two pad assemblies 32, a positioning member 33 and an anti-falling stop lever 34. Wherein the cushion assembly 32 comprises a cushion 322 and a sleeve 321, the sleeve 321 is slidably sleeved at one end of the bearing beam 31, the cushion 322 is welded and fixed at the bottom end of the sleeve 321, the positioning member 33 is in threaded connection with the side wall of the sleeve 321 and can move towards or away from the outer wall of the bearing beam 31, the positioning member abuts against the outer wall of the bearing beam 31 to fix the cushion assembly 32 on the outer wall of the bearing beam 31 when moving close to the outer wall of the bearing beam 31, and the abutting against the outer wall of the bearing beam 31 is released when moving away from the outer wall of the bearing beam 31 to enable the cushion assembly 32 to slide along the bearing beam 31. The anti-dropping stop rods 34 are welded and fixed at two end parts of the bearing beam 31, and the two end parts of the anti-dropping stop rods 34 extend out of two opposite surfaces of the bearing beam 31, namely the outer sides of the left side wall and the right side wall as shown in fig. 3, so that the cushion block assembly 32 can be prevented from dropping off from the end part of the bearing beam 31. Through the arrangement of the sleeve 321, the cushion blocks 322 can relatively slide along the length direction of the bearing beam to enable the distance to be adjustable, so that the requirement for the recessed areas 51 with different widths or the rectangular steel pipes 5 with different widths is met, as shown in fig. 7, when the correcting device of the embodiment is used, the two cushion blocks 322 are suitable for being pressed and fixed above the vertical webs on the two sides of the rectangular steel pipe 5, namely the front end and the rear end of the upper surface of the rectangular steel pipe, so that the acting force of the drawing part 4 acting on the bearing beam 31 can be transmitted to the vertical webs on the two sides of the rectangular steel pipe 5, and the situation that the recessed surface of the rectangular steel pipe 5 is further recessed due to the acting force of the jack is prevented. Optionally, the distance between the two pad assemblies 32 may also be fixed, that is, the two pad assemblies 32 are respectively fixed at two ends of the bearing beam 31, and at this time, the positioning element 33 and the anti-disengagement lever 34 may not be provided, for example, they may be directly welded and fixed. As a modified example, a positioning member 33 may be provided without the anti-falling off lever 34, and the pad assembly 32 is fixed to the carrier beam 31 only by the positioning member 33. For the positioning member 33, an existing conventional positioning bolt is selected.

As for the drawing member 4, there is a conventional jack. The specific construction and operation are not described or limited in detail herein.

The force bearing assembly 3, the force bearing assembly 2 and the reaction force assembly 1 of the present embodiment are all made of steel. Wherein the connecting end 221 of the pulling element 22 of the tensile force bearing assembly 2 is cut into an arc shape as shown in fig. 4, and is matched with the surface of the concave area 51, so as to better apply tensile force to the concave area 51 after welding.

Example 2

The rectangular steel pipe surface recess correction device of the present embodiment, as shown in fig. 7, is different from embodiment 1 in that the tension-bearing assembly 2 of the present embodiment includes three, wherein the tension-bearing assembly 2 located in the middle includes one tension-bearing member 21 and one pulling member 22, while the tension-bearing assemblies 2 located at both sides include only the tension-bearing member 21, the force-bearing assemblies 3 and the pulling members 4 include two, the two force-bearing assemblies 3 are respectively spanned at both ends of the recess area 51, and the pulling member 22 of the tension-bearing assembly 2 located in the middle is welded and fixed on the surface of the recess area 51. In this case, the method is suitable for the case where the area of the recess region 51 is small, and only one correction may be performed on the recess region 51.

Example 3

The rectangular steel pipe surface depression correction device of the embodiment is different from the embodiment 1 in that the tension bearing assembly 2 of the embodiment comprises two tension bearing assemblies 2, each tension bearing assembly 2 comprises one tension bearing piece 21 and one drawing piece 22, and the force bearing assembly 3 and the drawing part 4 comprise one. The force bearing component 3 is arranged above the middle part of the sunken area 51 in a spanning mode, and the two force bearing components 2 are respectively positioned at two ends of the sunken area 51 to achieve two-position correction.

As a modification, as shown in fig. 8, the tension bearing assembly 2 of the present embodiment may also include three, the middle tension bearing assembly 2 and one of the tension bearing assemblies 2 on one side each include one tension bearing member 21 and one pulling member 22, while the other tension bearing assembly 2 includes one tension bearing member 21 and does not include a pulling member 22, and one force bearing assembly 3 and one pulling member 4 are disposed in the installation space 6 between the tension bearing assemblies 2 having the pulling members 22.

Example 4

The rectangular steel pipe surface depression correction device of the present embodiment is different from embodiment 1 in that four, five, etc. tensile force components 2 are provided, three, four, etc. corresponding force bearing components 3 and pulling parts 4 are provided, the number of the force bearing components 2 is one less than that of the tensile force components 2, and each tensile force component 2 comprises one tensile force bearing piece 21 and one pulling piece 22. By arranging more tension bearing assemblies, more force bearing assemblies and more drawing parts, the method can be suitable for a larger-area sunken area, and can be used for correcting the sunken area at multiple positions (more than three positions).

The calibration method of the calibration device of the embodiment includes the following specific implementation steps:

the method comprises the following steps: according to the size of the steel pipe depressed area 51 to be corrected, one, two or three positions are determined to be corrected, so that one force bearing assembly 3 and one drawing part 4 or two force bearing assemblies 3 and two drawing parts 4 are selected to be used;

step two: according to the height and the stroke of the drawing part 4, determining which row of adjusting holes 24 of the three rows of adjusting holes 24 at the upper end of the tension bearing part 21 the cross beam 11 is connected with, and screwing down the fixed adjusting bolts 13;

step three: cutting the lower side of the drawing member 22 of the tension bearing assembly 2 according to the depth and shape of the recess 51 of the steel pipe 5;

step four: the drawing piece 22 is connected with the tension bearing piece 21 by a bolt 23, and the lower edge of the drawing piece 22 is welded with the surface of the concave area 51 of the steel pipe 5;

step five: installing the bearing component 3, adjusting the distance between the two cushion block components 32 to enable the cushion block components 32 to be respectively positioned at the web plate of the rectangular steel pipe 5, and fixing the cushion block components 32 by the positioning part 33;

step six: placing a drawing component 4, applying acting force, and correcting the surface of the concave area 5 of the steel pipe 5 under the action of pulling force;

step seven: removing the pulling member 4, removing the bolt 23 between the pulling member 22 and the tension bearing member 21, and removing the reaction force assembly 1;

step eight: and (5) removing the welding seam on the surface of the concave area 51 of the drawing piece 22 and the steel pipe 5, polishing the welding seam to be flat, and finishing the correction.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a rectangle steel pipe surface concavity correcting unit which characterized in that includes:

the pull-bearing assembly comprises at least two pull-bearing assemblies, at least one pull-bearing assembly comprises a pull-bearing piece and a drawing piece, one end of the pull-bearing piece is correspondingly installed at the installation position, the other end of the pull-bearing piece extends towards the direction far away from the counter force assembly, an installation space is formed between the at least two pull-bearing assemblies, the drawing piece is detachably installed at one end, far away from the counter force assembly, of the pull-bearing piece, and a connecting end which is matched with the recessed area and is welded and fixed is machined;

2. The apparatus of claim 1, wherein all of the tension members are formed of one tension member and one drawing member.

3. The apparatus of claim 1, wherein the tension receiving assemblies comprise three tension receiving assemblies, the middle tension receiving assembly comprises a tension receiving member and a drawing member, and at least one tension receiving assembly of the tension receiving assemblies on both sides comprises a tension receiving member and a drawing member.

4. The apparatus of any one of claims 1 to 3, wherein the pulling member has a plate shape having at least one screw coupling hole formed on a surface thereof, and the pulling member is adapted to be coupled to a surface of the corresponding tension receiving member by a bolt passing through the screw coupling hole.

5. The device for correcting the surface depression of the rectangular steel tube according to any one of claims 1 to 3, wherein the counterforce assembly comprises two oppositely arranged cross beams and at least two connecting plates which are connected between the two cross beams and are arranged at intervals, and the mounting positions are formed by enclosing two adjacent connecting plates and the two cross beams.

6. The device for correcting the surface depression of the rectangular steel tube as claimed in claim 5, wherein the mounting position is a mounting hole, one end of the tension bearing member connected with the counterforce component is provided with at least two rows of adjusting holes arranged at intervals along the extending direction of the tension bearing member, the axes of the adjusting holes intersect with the axis of the mounting hole, and the tension bearing member is adapted to be telescopically and adjustably mounted in the mounting hole by an adjusting bolt passing through the adjusting hole.

7. The correcting device for the surface depression of the rectangular steel pipe as claimed in any one of claims 1 to 3, wherein the force bearing assembly comprises:

a bearing beam;

8. The apparatus for correcting surface concavity of a rectangular steel pipe as set forth in claim 7, wherein any one of the spacer assemblies comprises:

the sleeve is slidably sleeved at one end of the bearing beam;

the cushion block is fixedly connected to the bottom end of the sleeve;

9. The apparatus of claim 8, wherein the pad assembly further comprises:

10. The apparatus for correcting the surface concavity of the rectangular steel pipe as claimed in any one of claims 1 to 3, wherein the drawing member is a jack.