CN115138730A

CN115138730A - Elbow processing device

Info

Publication number: CN115138730A
Application number: CN202210784653.8A
Authority: CN
Inventors: 苏德; 杨世祥; 刘斌; 齐涛; 王冠洲
Original assignee: Manzhouli Dalai Lake Thermal Power Co ltd
Current assignee: Manzhouli Dalai Lake Thermal Power Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-10-04
Also published as: DE202023102101U1

Abstract

The invention discloses an elbow processing device which comprises a clamping assembly and an adjusting assembly, wherein the clamping assembly comprises a base, first telescopic rods and clamping plates, the base is symmetrically provided with the first telescopic rods, and the first telescopic rods are connected with the clamping plates; the adjusting assembly comprises a fixed seat, a rotating shaft, a gear, a toothed plate and a second telescopic rod, the clamping assemblies are provided with two groups, one group of clamping assemblies is fixedly arranged on the fixed seat, and the bottom of the other group of clamping assemblies is connected with the rotating shaft; through continuously letting in gas to drive assembly, when can the tight elbow of centre gripping subassembly clamp, when continuing to let in gas, can drive adjusting part through drive assembly and rotate, drive and fix the centre gripping subassembly rotation in the pivot, through with fix the centre gripping subassembly cooperation on the fixing base, can adjust the camber of elbow, reduce the elbow and pipeline and connect between the complex tolerance, the elbow of being convenient for is installed.

Description

Elbow processing device

Technical Field

The invention relates to the technical field of metal pipe elbow processing, in particular to an elbow processing device.

Background

The metal pipe has wide application in daily necessities and various equipment, is widely used for conveying fluid media, and the elbow is one of main parts for connecting a cement truck and a well head. In field operation, due to environmental restrictions, metal elbows are inevitably needed for pipeline connection to change the flow direction of fluid.

The existing process for manufacturing the movable elbow adopts a simmering bending process, namely the straight-through pipe is subjected to elbow manufacturing in a bending mode, the inner diameter of the corner of the elbow is deformed, the pipe wall of the corner bears great internal stress due to tension and pressure, after bending, the bending degree of the elbow has deviation and often has the phenomenon of insufficient bending degree, so that the tolerance matched with the existing pipeline joint is too large, the elbow is difficult to be installed in the existing pipeline, and the phenomenon of difficult installation is caused.

Disclosure of Invention

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.

Therefore, the technical problems to be solved by the invention are as follows: when the elbow is manufactured, the inner diameter of the corner deforms, and the pipe wall of the corner bears large internal stress due to the fact that the pipe wall bears tensile force and pressure, and the elbow is prone to deviation in bending degree after bending, so that the tolerance matched with the existing pipeline joint is too large, and the elbow is difficult to install into the existing pipeline.

In order to solve the technical problems, the invention provides the following technical scheme: an elbow processing device comprises a clamping assembly and an adjusting assembly, wherein the clamping assembly comprises a base, first telescopic rods and clamping plates, the first telescopic rods are symmetrically arranged on the base, and the first telescopic rods are connected with the clamping plates; the adjusting part comprises a fixing seat, a rotating shaft, a gear, a toothed plate and a second telescopic rod, the clamping parts are provided with two groups, one group of clamping parts is fixedly arranged on the fixing seat, the bottom of the other group of clamping parts is connected with the rotating shaft, the rotating shaft is rotatably arranged on the fixing seat, the gear is arranged on the rotating shaft, and the toothed plate and the gear are connected in a meshed mode.

As a preferable aspect of the elbow processing device of the present invention, wherein: a cavity is arranged in the base and is communicated with the outside through a first through hole, and the cavity is communicated with the inside of the first telescopic rod.

As a preferable aspect of the elbow processing device of the present invention, wherein: the fixed seat is provided with a groove, the rotating shaft is rotatably arranged in the groove, the inner wall of one side of the groove is provided with a sliding groove, the toothed plate is provided with a sliding block on one side away from the gear relatively, and the sliding block is connected with the inner wall of the sliding groove in a sliding manner; the second telescopic link is relatively far away from pinion rack one end fixed connection baffle, and the baffle sets up in the recess inner wall.

As a preferable aspect of the elbow processing device of the present invention, wherein: the air inlet pipe is arranged on the fixed base, the air inlet pipe is arranged on the outer wall of the cavity, the spring is arranged in one end, far away from the air inlet pipe, of the control pipe, the spring is connected with the moving part, a second through hole is formed in the control pipe and is communicated with one end of the tee joint head through the second through hole, one end of the control pipe is connected with the air pipe, and the other end of the air pipe is connected with a second telescopic rod.

As a preferable scheme of the elbow processing device of the invention, wherein: the air pipe is located between the second through hole and the air inlet pipe.

As a preferable aspect of the elbow processing device of the present invention, wherein: the rotating shaft penetrates through the outer wall of the cavity, the end of the rotating shaft is rotatably inserted into the inner wall of the sleeve, and the outer wall of the sleeve is fixedly connected with the inner wall of the cavity.

As a preferable scheme of the elbow processing device of the invention, wherein: the outer wall of the rotating shaft is connected with a limiting ring, the rotating shaft penetrates through the outer wall of the cavity, and the limiting ring is located on two sides of the wall of the cavity.

As a preferable aspect of the elbow processing device of the present invention, wherein: the rotating shaft is hollow and is communicated with a first through hole in one clamping assembly, and the other two ends of the tee joint head are respectively connected with the connecting pipe, the connecting sleeve and the first through hole in the other clamping assembly through the connecting pipe.

As a preferable aspect of the elbow processing device of the present invention, wherein: the moving part comprises a first column, a supporting rod and a second column, the first column is connected with the second column through the supporting rod, a sealing ring is arranged on the outer wall of the first column, and an air vent is formed in the second column.

As a preferable aspect of the elbow processing device of the present invention, wherein: the shape of the inner wall of the clamping plate is arc-shaped, and the outer wall of the clamping plate is hinged with the first telescopic rod.

The invention has the beneficial effects that: according to the elbow clamping device, the driving assembly is continuously introduced with gas, so that the elbow clamped by the assembly can be clamped, and meanwhile, when the gas is continuously introduced, the driving assembly can drive the adjusting assembly to rotate, so that the clamping assembly fixed on the rotating shaft is driven to rotate, and the elbow can be adjusted by matching with the clamping assembly fixed on the fixed seat, so that the tolerance of matching between the elbow and a pipeline joint is reduced, and the elbow is convenient to mount.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:

fig. 1 is a schematic view of the clamping assembly and the adjustment assembly in the first, second and third embodiments.

Fig. 2 isbase:Sub>A sectional view of the adjustment assembly in the second and third embodiments, taken along the linebase:Sub>A-base:Sub>A.

FIG. 3 is a schematic view showing a groove portion structure in the second and third embodiments.

Fig. 4 is a sectional view of the chamber in the second embodiment taken along the line C-C.

Fig. 5 is a sectional view of the chamber in the second and third embodiments taken along the line B-B.

Fig. 6 is an axial sectional view of the control tube in the second and third embodiments.

In the figure: 100 clamping components, 101 bases, 101a cavities, 101b first through holes, 102 first telescopic rods, 103 clamping plates, 200 adjusting components, 201 fixing seats, 201a grooves, 201b sliding grooves, 201c baffle plates, 201d cavities, 202 rotating shafts, 202a limiting rings, 202b sleeves, 203 gears, 204 toothed plates, 204a sliding blocks, 205 second telescopic rods, 300 driving components, 301 control pipes, 301a air inlet pipes, 301b springs, 301c movable pieces, 301c-1 first columns, 301c-2 supporting rods, 301c-3 second columns, 301c-4 sealing rings, 301c-5 vent holes, 301d second through holes, 302 three-way heads, 302a connecting pipes and air pipes.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

Example 1

Referring to fig. 1, for a first embodiment of the present invention, an elbow processing device is provided, which includes a clamping assembly 100 and an adjusting assembly 200, wherein the clamping assembly 100 includes a base 101, a first telescopic rod 102 and a clamping plate 103, the first telescopic rod 102 is symmetrically disposed on the base 101, and the first telescopic rod 102 is connected to the clamping plate 103; the base 101 both ends are protruding upwards, at the first telescopic link 102 of the opposite side fixed connection at the both ends of base 101, and first telescopic link 102 is close to the end respectively fixed connection splint 103 relatively, and splint 103 inner wall is circular-arc, is convenient for carry out the centre gripping fixedly to the end of return bend.

The adjusting assembly 200 comprises a fixed seat 201, a rotating shaft 202, a gear 203, a toothed plate 204 and a second telescopic rod 205, the clamping assemblies 100 are provided with two groups, one group of the clamping assemblies 100 is fixedly arranged on the fixed seat 201, and the base 101 of one group of the clamping assemblies 100 is fixedly connected with the fixed seat 201 and used for clamping and fixing one end of the bent pipe; the bottom of the other group of clamping components 100 is connected with a rotating shaft 202, the rotating shaft 202 is rotatably arranged on a fixed seat 201, the base 101 of the other group of clamping components 100 is fixedly connected with one end of the rotating shaft 202, the other end of the rotating shaft 202 is inserted into the fixed seat 201, and the rotating shaft 202 can rotate on the fixed seat 201; a gear 203 is arranged on the rotating shaft 202, the gear 203 is meshed with a toothed plate 204, and the gear 203 is connected with a second telescopic rod 205; second telescopic link 205 can drive pinion rack 204 when carrying out concertina movement and remove, when pinion rack 204 removes through with the gear 203 between the meshing, can drive gear 203 and rotate to drive pivot 202 and rotate, drive and fix the centre gripping subassembly 100 rotation on pivot 202, through with fix the centre gripping subassembly 100 cooperation on fixing base 201, can adjust the camber of elbow, reduce the complex tolerance between elbow and the pipeline joint, the elbow of being convenient for is installed.

Example 2

Referring to fig. 1 to 6, a second embodiment of the present invention is based on the previous embodiment, a cavity 101a is disposed inside a base 101, the cavity 101a is disposed inside the base 101 corresponding to the shape of the base 101, the cavity 101a communicates with the outside through a first through hole 101b, air can enter the cavity 101a through the first through hole 101b, the cavity 101a communicates with the inside of a first telescopic rod 102, the air in the cavity 101a can enter the inside of the first telescopic rod 102, and the expansion and contraction of the first telescopic rod 102 are controlled by the change of air pressure.

A groove 201a is formed in the fixed seat 201, the rotating shaft 202 is rotatably arranged in the groove 201a, a sliding groove 201b is formed in the inner wall of one side of the groove 201a, a sliding block 204a is arranged on one side, relatively far away from the gear 203, of the toothed plate 204, and the sliding block 204a is slidably connected with the inner wall of the sliding groove 201 b; can drive slider 204a when pinion rack 204 removes and slide at groove 201b inner wall, stability when being favorable to improving pinion rack 204 and removing guarantees the meshing between pinion rack 204 and the gear 203, and pinion rack 204 one end fixed connection baffle 201c is kept away from relatively to second telescopic link 205, and baffle 201c sets up in recess 201a inner wall, and baffle 201 fixed mounting is in recess 201a inner wall, and baffle 201 can play the supporting role to second telescopic link 205.

The elbow adjusting mechanism further comprises a driving component 300, a cavity 201d is arranged in the fixing seat 201, and the driving component 300 is arranged in the cavity 201d, so that the driving component 300 can be protected, and the elbow is prevented from touching the driving component 300 when the elbow is adjusted, and the driving component 300 is prevented from being damaged; drive assembly 300 includes control tube 301, tee bend 302, trachea 303, and control tube 301 one end is provided with intake pipe 301a, and intake pipe 301a passes the outer wall of cavity 201d, and control tube 301 one end intercommunication intake pipe 301a can let in compressed gas to intake pipe 301a through current air pump, and the gas of intake pipe 301a can get into in the control tube 301. A spring 301b is arranged in one end of the control pipe 301, which is relatively far away from the air inlet pipe 301a, and the spring 301b is connected with a movable piece 301c; the spring 301b is positioned inside the control tube 301, the end of the spring 301b is connected with a movable piece 301c, the control tube 301 is provided with a second through hole 301d and is communicated with one end of the three-way head 302 through the second through hole 301d, and gas in the control tube 301 can enter the three-way head 302 through the second through hole 301 d; the control tube 301 is connected with one end of the air tube 303, the other end of the air tube 303 is connected with the second telescopic rod 205, air in the control tube 301 can enter the second telescopic rod 205 through the air tube 303, and the telescopic motion of the second telescopic rod 205 is controlled.

The air pipe 303 is located between the second through hole 301d and the air intake pipe 301 a. The rotating shaft 202 penetrates through the outer wall of the cavity 201d, the end of the rotating shaft 202 is inserted into the inner wall of the sleeve 202b in a rotating mode, the outer wall of the sleeve 202b is fixedly connected with the inner wall of the cavity 201d, the rotating shaft 202 can rotate on the inner wall of the sleeve 202b, and the sleeve 202b can improve the stability of the rotating shaft 202 in the rotating mode.

The outer wall of the rotating shaft 202 is connected with a limiting ring 202a, the rotating shaft 202 penetrates through the outer wall of the cavity 201d, and the limiting ring 202a is located on two sides of the wall of the cavity 201 d. Two spacing rings 202a of pivot 202 outer wall fixed connection, two spacing rings 202a are located cavity 201d wall both sides respectively, can play limiting displacement to pivot 202, make pivot 202 when the pivoted, prevent that axial excursion from appearing in pivot 202.

The rotating shaft 202 is hollow and is communicated with the first through hole 101b on one clamping assembly 100, gas in the rotating shaft 202 can pass through the first through hole 101b, the other two ends of the tee joint 302 respectively pass through the connecting pipe 302a, the connecting sleeve 202b and the first through hole 101b on the other clamping assembly 100, and the gas in the tee joint 302 can enter the sleeve 202b through the connecting pipe 302a and enter the first through hole 101b through the rotating shaft 202; the gas in the three-way head 302 can enter the first through hole 101b on the other clamping assembly 100 through the other personal connection tube 302 a.

The movable piece 301c comprises a first column 301c-1, a support rod 301c-2 and a second column 301c-3, the first column 301c-1 is connected with the second column 301c-3 through the support rod 301c-2, a sealing ring 301c-4 is arranged on the outer wall of the first column 301c-1, and a vent hole 301c-5 is arranged on the second column 301 c-3. The first column 301c-1 is fixedly connected with the second column 301c-3 through a strut 301c-2, the first column 301c-1 and the second column 301c-3 can slide on the inner wall of the control tube 301, a rod seal can be formed between the first column 301c-1 and the inner wall of the control tube 301 through a seal ring 301c-4, and gas in the control tube 301 cannot flow from one side to the other side of the seal ring 301 c-4.

The shape of the inner wall of the clamping plate 103 is arc-shaped, so that the clamping plate 103 can clamp an elbow conveniently, the outer wall of the clamping plate 103 is hinged with the first telescopic rod 102, when the elbow of the elbow is adjusted, the angle between the clamping plate 103 and the first telescopic rod 102 can be rotated, the inner wall of the clamping plate 103 can be always completely attached to the outer wall of the elbow, and the inner wall of the clamping plate 103 and the outer wall of the elbow are prevented from being loosened when the elbow is adjusted.

Example 3

Referring to fig. 1 to 3, 5 and 6, a third embodiment of the present invention is based on the above two embodiments, and in use, compressed air is introduced into an air inlet pipe 301a by an existing air pump, the air in the air inlet pipe 301a enters a control pipe 301, the air enters between a first column 301c-1 and a second column 301c-3 through an air vent 301c-5 on the second column 301c-3, enters a three-way head 302 through a second through hole 301d, then enters a sleeve 202b through a connecting pipe 302a, enters a first through hole 101b through a rotating shaft 202, enters a cavity 101a, and then enters a first telescopic rod 102, and when the air continuously passes through the first telescopic rod 102, the air pressure is increased, so as to push the first telescopic rod 102 to extend, and drive a clamping plate 103 to clamp one end of the elbow; the air in the tee joint 302 enters a first through hole 101b on another clamping component 100 through another personal connecting pipe 302a, enters a corresponding cavity 101a, then enters the first telescopic rod 102, and when the air continuously passes through the air, the air pressure is increased, so that the first telescopic rod 102 can be pushed to extend, and the clamping plate 103 is driven to clamp the other end of the elbow; when the air pressure in the control tube 301, the air tube 303 and the second telescopic rod 205 is continuously increased, the first column 301c-1 is pushed to slide by overcoming the elastic force of the spring 301b under the action of the air pressure, when the first column 301c-1 slides to the position of the air tube 303 and air can enter the air tube 303, the second column 301c-3 is positioned at the position of the second through hole 301d, the air enters the second telescopic rod 205 through the air tube 303, and the second telescopic rod 205 is controlled to extend; because the air pressure in the control tube 301 is reduced in the process that air enters the second telescopic rod 205 from the air tube 303, after the second column 301c-3 blocks the second through hole 301d, the air in the tee joint 302 can be prevented from flowing back to enter the control tube 301 through the second through hole 301d, so that the air pressure in the first telescopic rod 102 is reduced, and the phenomenon that an elbow is not clamped occurs.

When the second telescopic link 205 is extended, the toothed plate 204 can be driven to move, when the toothed plate 204 moves, the toothed plate 204 can be meshed with the gear 203, the gear 203 can be driven to rotate, so that the rotating shaft 202 is driven to rotate, the clamping assembly 100 fixed on the rotating shaft 202 is driven to rotate, the elbow can be adjusted by matching with the clamping assembly 100 fixed on the fixing seat 201, the tolerance of the elbow in matching with a pipeline joint is reduced, and the elbow is convenient to install.

Claims

1. The utility model provides an elbow processingequipment which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the clamping assembly (100) comprises a base (101), first telescopic rods (102) and a clamping plate (103), wherein the first telescopic rods (102) are symmetrically arranged on the base (101), and the first telescopic rods (102) are connected with the clamping plate (103);

adjusting part (200), adjusting part (200) includes fixing base (201), pivot (202), gear (203), pinion rack (204) and second telescopic link (205), centre gripping subassembly (100) are provided with two sets ofly, and wherein a set of centre gripping subassembly (100) is fixed to be set up on fixing base (201), and pivot (202) are connected to another group of centre gripping subassembly (100) bottom, and pivot (202) rotate to be set up on fixing base (201), be provided with gear (203) on pivot (202), pinion rack (204), second telescopic link (205) are connected in gear (203) meshing connection pinion rack (204), gear (203).

2. The elbow processing apparatus according to claim 1, wherein: the telescopic rod is characterized in that a cavity (101 a) is arranged inside the base (101), the cavity (101 a) is communicated with the outside through a first through hole (101 b), and the cavity (101 a) is communicated with the inside of the first telescopic rod (102).

3. The elbow processing apparatus according to claim 1, wherein: a groove (201 a) is formed in the fixed seat (201), the rotating shaft (202) is rotatably arranged in the groove (201 a), a sliding groove (201 b) is formed in the inner wall of one side of the groove (201 a), a sliding block (204 a) is arranged on one side, away from the gear (203), of the toothed plate (204), and the sliding block (204 a) is slidably connected with the inner wall of the sliding groove (201 b);

the second telescopic rod (205) is relatively far away from one end of the toothed plate (204) and is fixedly connected with a baffle (201 c), and the baffle (201 c) is arranged on the inner wall of the groove (201 a).

4. The elbow processing apparatus according to claim 1, wherein: still include drive assembly (300), be provided with cavity (201 d) in fixing base (201), drive assembly (300) set up in cavity (201 d), drive assembly (300) are including control tube (301), three-way head (302), trachea (303), control tube (301) one end is provided with intake pipe (301 a), and cavity (201 d) outer wall is passed in intake pipe (301 a), and control tube (301) is kept away from intake pipe (301 a) one end relatively and is provided with spring (301 b), and moving part (301 c) is connected in spring (301 b), be provided with second through-hole (301 d) on control tube (301) to through second through-hole (301 d) intercommunication three-way head (302) one end, trachea (303) one end is connected in control tube (301), and second telescopic link (205) are connected to trachea (303) the other end.

5. The elbow processing device according to claim 4, wherein: the air pipe (303) is located between the second through hole (301 d) and the air inlet pipe (301 a).

6. The elbow processing apparatus according to claim 5, wherein: the rotating shaft (202) penetrates through the outer wall of the cavity (201 d), the end of the rotating shaft (202) is inserted into the inner wall of the sleeve (202 b) in a rotating mode, and the outer wall of the sleeve (202 b) is fixedly connected with the inner wall of the cavity (201 d).

7. The elbow processing apparatus according to claim 6, wherein: the outer wall of the rotating shaft (202) is connected with a limiting ring (202 a), the rotating shaft (202) penetrates through the outer wall of the cavity (201 d), and the limiting ring (202 a) is located on two sides of the wall of the cavity (201 d).

8. The elbow processing apparatus according to claim 7, wherein: the rotating shaft (202) is hollow and is communicated with a first through hole (101 b) in one clamping assembly (100), and the other two ends of the three-way head (302) are respectively connected with a connecting pipe (302 a), a connecting sleeve (202 b) and the first through hole (101 b) in the other clamping assembly (100).

9. The elbow processing apparatus according to claim 4, wherein: the movable piece (301 c) comprises a first column (301 c-1), a support rod (301 c-2) and a second column (301 c-3), the first column (301 c-1) is connected with the second column (301 c-3) through the support rod (301 c-2), a sealing ring (301 c-4) is arranged on the outer wall of the first column (301 c-1), and a vent hole (301 c-5) is formed in the second column (301 c-3).

10. The elbow processing device according to claim 1, wherein: the shape of the inner wall of the clamping plate (103) is arc-shaped, and the outer wall of the clamping plate (103) is hinged with the first telescopic rod (102).