CN213409899U

CN213409899U - Heavy-calibre steel pipe processing tool that caves in

Info

Publication number: CN213409899U
Application number: CN202022170026.4U
Authority: CN
Inventors: 马大山; 王孝红; 韩源禄; 陈瑞玺; 李艳阁; 赵运帅; 凌晨
Original assignee: China Construction Seventh Engineering Bureau Installation Engineering Co Ltd
Current assignee: China Construction Seventh Engineering Bureau Installation Engineering Co Ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-06-11
Anticipated expiration: 2030-09-28

Abstract

The utility model provides a heavy-calibre steel pipe processing tool that caves in, include the base and set up the push pipe mechanism on the base, push pipe mechanism includes push pipe subassembly and the driving piece that the drive push pipe subassembly was jacked up, push pipe subassembly and base sliding connection, the driving piece is connected on the base, be equipped with on the driving piece with push pipe subassembly sliding fit's wedge. The utility model converts the axial acting force of the driving piece into the radial sliding of the pipe jacking component through the wedge block, thereby leading the reacting force of the driving piece during working to be the axial direction and avoiding the secondary damage caused by the direct action on the inner wall of the pipeline; the base is transversely supported in the steel pipe by the support plate and the arc-shaped base plates at two ends, so that the reaction force of the tool to the base during working can be dispersed, the damage to the steel pipe is further avoided, and the base is suitable for the steel pipe within a certain diameter range; through the detachable connection between the jacking pipe components, the length of the jacking pipe and the radian and the size of the arc-shaped jacking plate can be changed conveniently according to the size of the steel pipe.

Description

Heavy-calibre steel pipe processing tool that caves in

Technical Field

The utility model relates to a steel pipe auxiliary assembly technical field especially relates to a heavy-calibre steel pipe processing tool that caves in.

Background

At present, the quality defect of sinking or pipe orifice out of round can be caused by improper protection of the pipe orifice in the transportation process of the large-caliber steel pipe. When the steel pipe has the quality defect of recess or pipe orifice out of round, the common practice is to use an iron hammer to hammer the steel pipe for repair, and partially adopts a mechanical mode that a jack is arranged in the pipeline to jack up the recess. The former repair mode completely depends on the experience level of operators and has no practically available repair standard, and the latter repair mode has the jack arranged in the pipeline, the reaction force generated during working directly acts on the pipeline, and the two repair modes are easy to cause secondary damage to the steel pipe.

Disclosure of Invention

To the technical problem mentioned above, the utility model provides a heavy-calibre steel pipe processing tool that caves in for the processing method who caves in or out of round of steel pipe causes the secondary to damage the problem easily among the solution prior art.

In order to achieve the above purpose, the technical solution of the present invention is realized as follows:

the utility model provides a heavy-calibre steel pipe processing tool that caves in, includes the base and sets up the push pipe mechanism on the base, push pipe mechanism includes push pipe subassembly and the driving piece that drives push pipe subassembly jack-up, push pipe subassembly and base sliding connection, the driving piece is connected on the base, be equipped with on the driving piece with push pipe subassembly sliding fit's wedge.

Further, the base includes the backup pad, the both ends of backup pad are equipped with the arc backing plate with steel pipe inner wall complex.

Furthermore, a sliding sleeve frame is fixed on the supporting plate, the jacking pipe assembly is connected with the sliding sleeve frame in a sliding mode, and the sliding direction extends along the radial direction of the steel pipe.

Furthermore, the pipe jacking assembly comprises a pipe jacking rod piece in sliding fit with the sliding sleeve frame, and an arc-shaped top plate matched with the inner wall of the steel pipe is arranged at one end, far away from the base, of the pipe jacking rod piece.

Further, the push pipe rod piece comprises a sliding rod and an ejector rod which are coaxially connected, one end of the sliding rod is in sliding fit with the wedge block, the other end of the sliding rod is connected with the ejector rod, one end, far away from the sliding rod, of the ejector rod is connected with the arc-shaped top plate, and the sliding rod is detachably connected with the ejector rod.

Further, the driving piece is a cylinder or a hydraulic cylinder or an electric push rod, the fixed end of the driving piece is fixed to the middle of the supporting plate, the telescopic end of the driving piece extends along the axial direction of the steel pipe, and the wedge block is fixed to the telescopic end of the driving piece.

Furthermore, one end of the sliding rod, which is far away from the ejector rod, is provided with a wedge-shaped surface in sliding fit with the wedge-shaped block.

Further, the driving piece is the rotary rod, be equipped with on the base with rotary rod threaded connection's screw thread seat, the length direction of rotary rod extends along the axial of steel pipe, the front end and the wedge of rotary rod rotate to be connected, be equipped with restriction wedge pivoted locating part on the base.

The utility model has the advantages that: the utility model can convert the axial acting force of the driving piece into the radial acting force of the pipe jacking component through the arrangement of the wedge block, thereby leading the reacting force of the driving piece during working to be the axial direction and avoiding the secondary damage caused by the direct action on the pipeline; the base is transversely arranged in the steel pipe by adopting the supporting plate and the arc-shaped base plates at two ends, and can disperse radial reaction force generated when the tool works, so that the secondary damage to the steel pipe caused by the reaction force of the base when the tool is jacked up for repair is further avoided, and the base can be supported and placed in the steel pipe within a certain diameter range; through slide bar and ejector pin releasable connection, be convenient for change the length of ejector pin and the radian and the size of arc roof according to the size of steel pipe internal diameter.

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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only 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 view of the present invention;

fig. 2 is a schematic sectional view of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.

As shown in FIG. 1 and FIG. 2, the present invention provides a large diameter steel pipe recess processing tool, which comprises a base 3 and a pipe pushing mechanism disposed on the base 3, wherein the base 3 is used for stably supporting the tool in a steel pipe to be processed, so as to facilitate pipe pushing of the pipe pushing mechanism, the pipe pushing mechanism includes a pipe pushing assembly 1 and a driving member 2 for driving the pipe pushing assembly 1, the pipe pushing assembly 1 is slidably connected to the base 3, the driving member 2 is connected to the base, the driving member 2 is provided with a wedge 21 slidably engaged with the pipe pushing assembly 1, in this embodiment, a sliding direction of the pipe pushing assembly 1 extends along a radial direction of the steel pipe, a driving direction of the driving member 2 extends along an axial direction of the steel pipe, or a direction having an included angle smaller than 45 degrees with the axial direction, the driving member 2 changes the driving direction into a direction of pushing the pipe pushing assembly 1 to move radially outward to jack up a recess of the steel pipe through the wedge 21, the sunken or out of round problem of repairing the steel pipe, through the setting of wedge 21, be convenient for change driving element 2's drive direction under the unchangeable circumstances of push pipe subassembly 1 slip direction, can turn into push pipe subassembly radial force with driving element 2's axial effort to make the reaction force of driving element during operation also for the axial or be close to axial direction, avoid direct radial action to produce the secondary damage at the pipeline inner wall.

Further, as shown in fig. 1, the base 3 includes a support plate 31, arc-shaped backing plates 32 matched with the inner wall of the steel pipe are arranged at two ends of the support plate 31, and the arc-shaped backing plates 32 are attached to the inner wall of the steel pipe to form a support, so that the tool can be stably supported and placed in the steel pipe to be processed, and the reaction stress of the pipe jacking assembly borne by the support plate 31 is decomposed into transverse, radial or vertical stress on the steel pipe to disperse the force, thereby further avoiding the secondary damage to the steel pipe caused by the reaction force of the tool on the base during operation; and this kind of support mode makes this base can both support and place in the steel pipe of certain diameter within range.

Further, as shown in fig. 1, a sliding sleeve frame 33 is fixed on the support plate 31, and the push pipe assembly 1 is in sliding fit with the sliding sleeve frame 33, in this embodiment, the sliding sleeve frame 33 is vertically fixed in the middle of the support plate 31, and the sliding fit direction of the push pipe assembly 1 and the sliding sleeve frame 33 is also perpendicular to the middle of the support plate 31, so that the tool is horizontally arranged and supported in the steel pipe through the support plate 31, and the sliding direction of the push pipe assembly 1 extends along the radial direction of the steel pipe all the time; in other embodiments, the sliding sleeve frame 33 can be obliquely fixed in the middle of the supporting plate 31, and in use, the supporting plate 31 is obliquely supported in the steel tube, so that the sliding direction of the push pipe assembly 1 extends along the radial direction of the steel tube.

Further, as shown in fig. 1, the push pipe assembly 1 includes a sliding rod 11 and a push rod 12 which are coaxially connected, the sliding rod 11 is in sliding fit with the sliding sleeve frame 33, and the sliding direction extends along the radial direction of the steel pipe; the one end that the ejector pin 12 kept away from slide bar 11 is equipped with steel pipe inner wall complex arc roof 13, and is concrete, slide sleeve frame 33 includes slide sleeve 331 and landing leg 332, slide sleeve 331 passes through landing leg 332 vertical fixation in backup pad 31 middle part, slide bar 11 wears to establish in slide sleeve 331 with slide sleeve 331 sliding fit, ejector pin 12 one end is fixed with slide bar 11, the fixed arc roof 13 of the other end, this push pipe subassembly 1 drives the sunken of the outside jack-up steel pipe of arc roof 13 through the slip of slide bar 11.

Further, as shown in fig. 1, the sliding rod 11 and the ejector rod 12 are detachably connected, specifically, the sliding rod 11 and the ejector rod 12 are connected through a bolt, one end of one of the sliding rod 11 and the ejector rod 12, which is located at the joint, is provided with a convex block, the other end of the other of the sliding rod 11 and the ejector rod 12, which is located at the joint, is provided with a groove, the convex block and the groove are provided with bolt holes communicated with each other, and in addition, the sliding rod 11 and the ejector rod 12 can also be connected through a thread or connected through a bayonet or spliced connection, so that the length of the ejector rod 12 and the.

Further, as shown in fig. 2, driving piece 2 is cylinder or pneumatic cylinder or electric putter, the middle part at backup pad 31 is fixed to driving piece 2's stiff end, driving piece 2's flexible end extends along the axial of steel pipe, wedge 21 is fixed and is served at driving piece 2's flexible, and wedge 21's wedge face is towards pipe jacking subassembly one side, and in this embodiment, wedge 21 is right triangle for the longitudinal section, and the front end that this right triangle's vertical right-angle side laminating driving piece 2 was flexible is fixed, and this right triangle's hypotenuse sets up upwards for wedge 21 and the 11 lower extreme cooperations of slide bar.

Further, as shown in fig. 2, a wedge surface in sliding fit with the wedge block 21 is disposed at one end of the sliding rod 11 away from the top rod 12, the wedge surface of the sliding rod 11 is a smooth inclined surface disposed at a lower end of the sliding rod 11 and inclined toward one side of the wedge block, the wedge surface at the lower end of the sliding rod 11 is matched with the wedge surface of the wedge block 21, so as to facilitate transmission of the driving force of the driving member, and in other embodiments, a downward convex arc surface in sliding fit with the wedge block 21 is disposed at the lower end of the sliding rod 11.

Embodiment 2, its difference with embodiment 1 lies in, driving piece 2 is the rotary rod, be equipped with on the base 3 with rotary rod threaded connection's screw thread seat, be equipped with the internal thread on the screw thread seat, be equipped with the external screw thread on the rotary rod, the length direction of rotary rod extends along the axial of steel pipe, the front end of rotary rod passes through the bearing and is connected with the rotation of wedge 21, be equipped with restriction wedge 21 pivoted locating part on the base 3 and make wedge 21 can only slide around, be convenient for the manual work to rotate the rotary rod and can promote the repair of push pipe subassembly.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a heavy-calibre steel pipe processing tool that caves in, its characterized in that includes base (3) and sets up the push pipe mechanism on base (3), push pipe mechanism includes push pipe subassembly (1) and drive driving piece (2) of drive push pipe subassembly (1) jack-up, push pipe subassembly (1) and base (3) sliding connection, driving piece (2) are connected on base (3), be equipped with on driving piece (2) with push pipe subassembly (1) sliding fit's wedge (21).

2. The heavy caliber steel tube dent processing tool according to claim 1, wherein the base (3) comprises a support plate (31), and arc-shaped backing plates (32) matched with the inner wall of the steel tube are arranged at two ends of the support plate (31).

3. The heavy caliber steel pipe dent processing tool according to claim 2, wherein a sliding sleeve frame (33) is fixed on the support plate (31), the push pipe assembly (1) is connected with the sliding sleeve frame (33) in a sliding manner, and the sliding direction extends along the radial direction of the steel pipe.

4. The heavy caliber steel pipe dent processing tool according to claim 3, wherein the top pipe assembly (1) comprises a top pipe rod slidably engaged with the sliding sleeve frame (33), and an end of the top pipe rod away from the base (3) is provided with an arc-shaped top plate (13) engaged with the inner wall of the steel pipe.

5. The heavy caliber steel pipe dent processing tool according to claim 4, wherein the top pipe rod piece comprises a sliding rod (11) and a top rod (12) which are coaxially connected, one end of the sliding rod (11) is in sliding fit with the wedge block (21), the other end of the sliding rod is connected with the top rod (12), one end of the top rod (12) far away from the sliding rod (11) is connected with the arc-shaped top plate (13), and the sliding rod (11) and the top rod (12) are detachably connected.

6. The heavy caliber steel pipe dent processing tool according to claim 4 or 5, wherein the driving member (2) is a cylinder or a hydraulic cylinder or an electric push rod, the fixed end of the driving member (2) is fixed at the middle part of the support plate (31), the telescopic end of the driving member (2) extends along the axial direction of the steel pipe, and the wedge block (21) is fixed at the telescopic end of the driving member (2).

7. The heavy caliber steel tube dent processing tool according to claim 5, wherein the end of the sliding rod (11) far away from the top rod (12) is provided with a wedge surface which is in sliding fit with the wedge block (21).

8. The heavy caliber steel pipe dent processing tool according to any one of claims 1 to 5, wherein the driving member (2) is a rotating rod, the base (3) is provided with a threaded seat in threaded connection with the rotating rod, the length direction of the rotating rod extends along the axial direction of the steel pipe, the front end of the rotating rod is rotatably connected with the wedge block (21), and the base (3) is provided with a limiting member for limiting the rotation of the wedge block (21).