CN216399463U

CN216399463U - Middle poling equipment

Info

Publication number: CN216399463U
Application number: CN202122552821.4U
Authority: CN
Inventors: 向鑫鑫; 刘洋; 王红凯; 熊敏杨; 陈极; 王思富; 罗禄堂
Original assignee: Dongfeng Power Plant Of Guizhou Wujiang Hydropower Development Co ltd; Guizhou Wujiang Hydropower Development Co Ltd
Current assignee: Dongfeng Power Plant Of Guizhou Wujiang Hydropower Development Co ltd; Guizhou Wujiang Hydropower Development Co Ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-04-29
Anticipated expiration: 2031-10-22

Abstract

The utility model relates to the technical field of pipe penetrating equipment, in particular to middle pipe penetrating equipment which comprises a pipe top aligning assembly, an inner pipe adjusting assembly and an outer pipe positioning assembly, wherein the pipe top aligning assembly comprises a main machine body, an adjusting vertical rod, a top plate, a first electric push rod, an upper pressing plate and an adjusting base, the inner pipe adjusting assembly comprises a movable base, a second electric push rod and an inner pipe supporting clamping sleeve, and the outer pipe positioning assembly comprises a square outer frame, a square inner frame, a threaded rod, a translation rod and a pressing block. According to the utility model, the outer pipe is positioned by the outer pipe positioning assembly, the central line of the outer pipe is ensured to be in a determined controllable state, the inner pipe is lifted and preliminarily positioned by the inner pipe adjusting assembly, and the central line of the inner pipe is ensured to be in a determined controllable state by combining the pipeline top aligning assembly.

Description

Middle poling equipment

Technical Field

The utility model relates to the technical field of pipe penetrating equipment, in particular to middle pipe penetrating equipment.

Background

The pipe penetrating device generally refers to two pipelines with different pipe diameters, an inner pipe with a smaller pipe diameter is penetrated into an outer pipe with a larger pipe diameter, two separated materials can be put into the outer pipe with the larger pipe diameter, and the pipe penetrating device is wide in application range. For example, high-temperature gas or liquid is introduced into the inner pipe, and a heat insulation material layer is added between the outer pipe and the inner pipe to achieve heat insulation of the gas or liquid in the inner pipe, so that the heat insulation material can be used for a transportation pipeline of high-temperature steam in a power plant; for example, gas or liquid is introduced into the inner pipe, and gas or liquid with opposite flow directions and temperature difference is introduced between the outer pipe and the inner pipe, so as to heat or cool the gas or liquid in the inner pipe.

In order to better achieve the effects of the above examples, the position of the inner tube needs to be optimized, so that the central axes of the inner tube and the outer tube are overlapped, that is, the shortest distance between each part of the outer wall of the circumference of the inner tube and the inner wall of the outer tube is equal, thereby ensuring that the space between the outer tube and the inner tube is uniform, and achieving the purpose of uniformity. The existing pipe penetrating operation is that after an inner pipe is inserted into an outer pipe manually, the distance between the outer pipe and the inner pipe is kept consistent roughly through naked eyes or simple measurement, and then the outer pipe is connected with the inner pipe, but the aim of uniform space between the outer pipe and the inner pipe is difficult to achieve accurately.

SUMMERY OF THE UTILITY MODEL

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

The present invention has been made in view of the above and/or other problems with an intermediate pipe threading device of the prior art.

The problem to be solved by the present invention is therefore how to provide an intermediate pipe threading device.

In order to solve the technical problems, the utility model provides the following technical scheme: an intermediate pipe-threading device, comprising,

the pipeline top aligning assembly comprises a main machine body, an adjusting vertical rod, a top plate, a first electric push rod, an upper pressing plate and an adjusting base, wherein the adjusting vertical rod is arranged at the top of the main machine body;

the inner pipe adjusting assembly comprises a moving base, a second electric push rod and an inner pipe supporting clamping sleeve, the second electric push rod is arranged at the bottom of the inner cavity of the main machine body, the moving base is arranged at the top of the second electric push rod, and the inner pipe supporting clamping sleeve is fixedly connected to the top of the moving base in a threaded mode;

the outer tube positioning assembly comprises a square outer frame, a square inner frame, a threaded rod, a translation rod and a pressing block, wherein the outer frame and the inner frame are both fixed on the top of the main body in a threaded mode, the threaded rod is connected among four side walls of the outer frame in a threaded mode, one end of the threaded rod is located between the outer frame and the inner frame, the translation rod is movably sleeved at one end, located between the outer frame and the inner frame, of the threaded rod, the translation rod penetrates through the side wall of the inner frame and extends into the inner frame, and the pressing block is arranged at one end, extending into the inner frame, of the translation rod;

the pipeline assembly comprises an outer pipe and an inner pipe, wherein the outer pipe and the inner pipe penetrate through the inner cavity of the outer pipe.

As a preferable aspect of the intermediate pipe threading device of the present invention, wherein: the mobile base is composed of a flat plate at the top and vertical plates at two sides of the bottom of the flat plate, and protruding blocks are arranged at the front end and the rear end of each vertical plate of the mobile base.

Based on the technical characteristics, when the movable base needs to move up and down, the vertical plates on the two sides increase the contact area of the movable base and the main machine body, so that the stability is improved.

As a preferable aspect of the intermediate pipe threading device of the present invention, wherein: the inner cavity of the main machine body is provided with a moving groove matched with the moving base, and the section of the moving groove is in a convex shape.

Based on the technical characteristics, both ends all are provided with the protrusion around combining the riser of moving pedestal, and the shifting chute that the host computer body was seted up provides the space of translation for moving pedestal, and through moving pedestal and the reasonable structural design of shifting chute, guarantees that moving pedestal still keeps the effect of translation from top to bottom under the condition that receives the different effect in top.

As a preferable aspect of the intermediate pipe threading device of the present invention, wherein: the inner tube supports the round table shape that the diameter increases gradually from top to bottom of cutting ferrule.

Based on above-mentioned technical characteristics, through the change of the size of inner tube support cutting ferrule external diameter, can carry out the joint to the inner tube that the internal diameter is different and support to improve the applicable scope.

As a preferable aspect of the intermediate pipe threading device of the present invention, wherein: the through holes with the same diameter as the translation rod are formed in the four side walls of the inner frame, and the inner wall of each through hole and the outer wall of each translation rod are smooth walls for polishing and grinding.

Based on the technical characteristics, the translation rod transversely crosses the through hole to translate to adjust the position of the pressing block, and the surfaces of the translation rod, which are in contact with the through hole, are smooth walls, so that the friction coefficient can be reduced, the friction force is reduced, and the abrasion is reduced.

As a preferable aspect of the intermediate pipe threading device of the present invention, wherein: the outer wall of the translation rod is provided with scale marks.

Based on the technical characteristics, when the translation rod moves, the length of extending into the inner frame can be confirmed through the scale marks on the outer wall of the translation rod, so that the same distance between the four groups of pressing blocks and the adjacent inner wall of the inner frame is ensured, and when the outer tube is fixed, the middle perpendicular line of the outer tube is conveniently adjusted and is ensured to coincide with the middle point of the inner frame.

As a preferable aspect of the intermediate pipe threading device of the present invention, wherein: the top plate is a metal circular plate with meshes.

Based on the technical characteristics, the top plate is provided with the meshes, so that the worker can conveniently observe the state of the inner pipe in the outer pipe through the meshes.

As a preferable aspect of the intermediate pipe threading device of the present invention, wherein: the adjusting base comprises a base plate platform and four groups of hydraulic adjusting supporting legs, the four groups of hydraulic adjusting supporting legs are located at four corners of the bottom of the base plate platform, and the base plate platform is located at the bottom of the main machine body.

Based on the technical characteristics, the base plate platform can be parallel to the horizontal plane through the adjustment of the four groups of hydraulic adjusting support legs, so that the level of the outer pipe and the inner pipe is ensured.

As a preferable aspect of the intermediate pipe threading device of the present invention, wherein: the outer tube positioning assembly can also comprise an outer frame, four groups of completely same third electric push rods and pressing blocks, the four groups of third electric push rods are respectively fixed in the middle of the four inner walls of the outer frame, the pressing blocks are arranged at the movable telescopic ends of the third electric push rods, the operation of the four groups of third electric push rods is simultaneously controlled by the same operation switch, and the telescopic ends of the four groups of third electric push rods have the same speed.

Based on the technical characteristics, when the outer pipe is clamped and positioned, the middle point of the outer frame needs to be positioned on the central axis of the outer pipe, and the four groups of identical third electric push rods which are controlled in a consistent mode can keep the same length as the four groups of third electric push rods by combining the identical telescopic speed, so that the middle point of the outer frame is positioned on the central axis of the outer pipe when the outer pipe is clamped.

The utility model has the beneficial effects that:

the outer pipe is positioned by the outer pipe positioning assembly, the central line of the outer pipe is ensured to be in a determined controllable state, the inner pipe is lifted and preliminarily positioned by the inner pipe adjusting assembly, the central line of the inner pipe is ensured to be in a determined controllable state by combining the pipe top aligning assembly, and the central lines of the inner pipe and the outer pipe can be adjusted to be in a superposed state according to the structural design, so that the distance between the outer pipe and the inner pipe can be kept consistent, the purpose of uniform space between the outer pipe and the inner pipe is achieved, and the subsequent use of an outer pipe and inner pipe assembly is facilitated.

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 structural view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a schematic structural view of the pipe top alignment assembly of the present invention;

FIG. 4 is a schematic structural view of the inner tube adjustment assembly of the present invention;

FIG. 5 is a schematic structural diagram of a middle outer tube positioning assembly according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of an outer frame and an inner frame according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a middle outer tube positioning assembly according to a second embodiment of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

100. a pipe top alignment assembly; 101. a main body; 102. adjusting the vertical rod; 103. a top plate; 104. a first electric push rod; 105. an upper pressure plate; 106. adjusting the base; 106a, a substrate stage; 106b, hydraulic adjusting supporting legs;

200. an inner tube adjustment assembly; 201. a movable base; 202. a second electric push rod; 203. the inner pipe supports the cutting sleeve;

300. an outer tube positioning assembly; 301. an outer frame; 302. an inner frame; 302a, a through hole; 303. a threaded rod; 304. a translation rod; 305. briquetting; 306. a third electric push rod;

400. a conduit assembly; 401. an outer tube; 402. an inner tube.

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.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

The first embodiment is as follows:

referring to the drawings of fig. 1-6 of the specification, an intermediate pipe threading device includes,

the pipeline top aligning assembly 100 comprises a main machine body 101, an adjusting vertical rod 102, a top plate 103, a first electric push rod 104, an upper press plate 105 and an adjusting base 106, wherein the adjusting vertical rod 102 is arranged at the top of the main machine body 101, the top plate 103 is arranged above the side wall of the adjusting vertical rod 102, the first electric push rod 104 is arranged at the bottom of the top plate 103, the upper press plate 105 is arranged at the bottom of the top plate 103, and the adjusting base 106 is positioned at the bottom of the main machine body 101;

the inner tube adjusting assembly 200 comprises a moving base 201, a second electric push rod 202 and an inner tube supporting sleeve 203, wherein the second electric push rod 202 is arranged at the bottom of the inner cavity of the main body 101, the moving base 201 is arranged at the top of the second electric push rod 202, and the inner tube supporting sleeve 203 is fixed at the top of the moving base 201 in a threaded manner;

the outer tube positioning assembly 300 comprises a square outer frame 301, a square inner frame 302, a threaded rod 303, a translation rod 304 and a pressing block 305, wherein the outer frame 301 and the inner frame 302 are both fixed on the top of the main body 101 in a threaded mode, the threaded rod 303 is screwed in the middle of four side walls of the outer frame 301, one end of the threaded rod 303 is located between the outer frame 301 and the inner frame 302, the translation rod 304 is movably sleeved at one end, located between the outer frame 301 and the inner frame 302, of the threaded rod 303, the translation rod 304 penetrates through the side wall of the inner frame 302 and extends into the inner frame 302, and the pressing block 305 is arranged at one end, extending into the inner frame 302, of the translation rod 304;

the pipe assembly 400 comprises an outer pipe 401 and an inner pipe 402 for passing through a working object, wherein the inner pipe 402 passes through the inner cavity of the outer pipe 401.

Referring to the attached drawings of the specification and fig. 4, the mobile base 201 is composed of a flat plate at the top and vertical plates at two sides of the bottom of the flat plate, and the front and rear ends of the vertical plates of the mobile base 201 are provided with protruding blocks, when the mobile base 201 needs to move up and down, the vertical plates at two sides increase the contact area between the mobile base 201 and the main machine body 101, thereby increasing the stability.

Referring to the attached drawings of the specification and fig. 3, a moving groove matched with the moving base 201 is formed in an inner cavity of the main body 101, the cross section of the moving groove is in a shape of a Chinese character 'tu', protruding blocks are arranged at the front end and the rear end of a vertical plate of the moving base 201, the moving groove formed in the main body 101 provides a translation space for the moving base 201, and the moving base 201 and the moving groove are reasonably designed, so that the moving base 201 is guaranteed to keep the up-and-down translation effect under the condition that different acting forces are applied to the top of the moving base 201.

Referring to the attached drawings in the specification and fig. 4, the inner tube support sleeve 203 is in a circular truncated cone shape with a diameter gradually increasing from top to bottom, and the inner tubes 402 with different inner diameters can be clamped and supported by changing the size of the outer diameter of the inner tube support sleeve 203, so that the applicable range is improved.

Referring to the attached drawings of the specification, as shown in fig. 5 and 6, through holes 302a having the same diameter as that of the translation rod 304 are formed in all four side walls of the inner frame 302, the inner wall of each through hole 302a and the outer wall of the translation rod 304 are polished smooth walls, the translation rod 304 traverses the through holes 302a to translate to adjust the position of the pressing block 305, and the surfaces of the translation rod 304, which are in contact with the through holes 302a, are smooth walls, so that the friction coefficient, the friction force and the abrasion are reduced.

Referring to the specification, as shown in fig. 5, the outer wall of the translation rod 304 is provided with scale marks, when the translation rod 304 moves, the length of the translation rod 304 extending into the inner frame 302 can be confirmed through the scale marks on the outer wall of the translation rod 304, so that the distance between the four pressing blocks 305 and the adjacent inner wall of the inner frame 302 is ensured to be the same, and when the outer tube 401 is fixed, the adjustment is facilitated and the perpendicular bisector of the outer tube 401 is ensured to coincide with the midpoint of the inner frame 302.

Referring to the attached drawings of the specification and shown in fig. 3, a metal circular plate with meshes is adopted as the top plate 103, and meshes are arranged on the top plate 103, so that a worker can conveniently observe the state of the inner pipe 402 in the outer pipe 401 through the meshes.

Referring to the attached drawings in the specification and fig. 3, the adjusting base 106 includes a base plate platform 106a and four sets of hydraulic adjusting legs 106b, the four sets of hydraulic adjusting legs 106b are located at four corners of the bottom of the base plate platform 106a, the base plate platform 106a is located at the bottom of the main body 101, and the base plate platform 106a can be parallel to the horizontal plane by adjusting the four sets of hydraulic adjusting legs 106b, so as to ensure the level of the outer pipe 401 and the inner pipe 402.

The working principle is as follows: when the pipe penetrating operation is performed, the moving base 201 is at a low position, the inner pipe 402 is inserted into the top of the inner pipe supporting sleeve 203, the outer pipe 401 is placed on the top of the inner pipe 402 and moves downwards, the inner pipe 402 is inserted into the outer pipe 401, then the four groups of threaded rods 303 are rotated, the translation rods 304 are pushed to approach the middle outer pipe 401 until the four groups of pressing blocks 305 press the outer pipe 401, wherein in order to ensure that the outer pipe 401 is at a central position, auxiliary confirmation can be performed through the scale marks on the translation rods 304. Then the adjusting vertical rod 102 is started, the adjusting vertical rod 102 moves downwards to enable the upper pressing plate 105 to be infinitely close to the top of the outer pipe 401, then the second electric push rod 202 is started, the second electric push rod 202 extends upwards to push the inner pipe 402 to move upwards, after the inner pipe 402 contacts the upper pressing plate 105, the inner pipe 402 is easily adjusted due to the fact that the inner pipe 402 is in line contact with the inner pipe supporting clamping sleeve 203, and therefore the inner pipe 402 is vertical, the first electric push rod 104 can play a fine adjustment role, and accuracy is improved. At this time, the central lines of the outer pipe 401 and the inner pipe 402 are overlapped, the size of the gap between the outer pipe 401 and the inner pipe 402 is uniform, and the top of the outer pipe 401 and the top of the inner pipe 402 are welded or connected through other operations, so that the positioning pipe penetrating operation can be completed.

Example two:

referring to the attached drawings in the specification and fig. 7, compared with the first embodiment, the tube positioning assembly 300 in this embodiment may further include an outer frame 301, four sets of identical third electric push rods 306 and press blocks 305, the four sets of third electric push rods 306 are respectively fixed at the middle of four inner walls of the outer frame 301, the press blocks 305 are disposed at the movable telescopic ends of the third electric push rods 306, the operation of the four sets of third electric push rods 306 is simultaneously controlled by the same operation switch, and the speeds of the telescopic ends of the four sets of third electric push rods 306 are identical.

When the outer tube 401 is clamped and positioned, the midpoint of the outer frame 301 needs to be located on the central axis of the outer tube 401, and the four groups of the identical third electric push rods 306 controlled in a consistent manner can keep the same length of the four groups of the third electric push rods 306 in combination with the identical telescopic speed, so that the midpoint of the outer frame 301 is located on the central axis of the outer tube 401 when the outer tube 401 is clamped.

It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims

1. An intermediate pipe threading device, characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the pipeline top aligning assembly (100) comprises a main machine body (101), an adjusting vertical rod (102), a top plate (103), a first electric push rod (104), an upper pressing plate (105) and an adjusting base (106), wherein the adjusting vertical rod (102) is arranged at the top of the main machine body (101), the top plate (103) is arranged above the side wall of the adjusting vertical rod (102), the first electric push rod (104) is arranged at the bottom of the top plate (103), the upper pressing plate (105) is arranged at the bottom of the top plate (103), and the adjusting base (106) is positioned at the bottom of the main machine body (101);

the inner tube adjusting assembly (200) comprises a moving base (201), a second electric push rod (202) and an inner tube supporting clamping sleeve (203), the second electric push rod (202) is arranged at the bottom of the inner cavity of the main body (101), the moving base (201) is arranged at the top of the second electric push rod (202), and the inner tube supporting clamping sleeve (203) is fixedly connected to the top of the moving base (201) in a threaded mode;

the outer tube positioning assembly (300) comprises a square outer frame (301), a square inner frame (302), a threaded rod (303), a translation rod (304) and a pressing block (305), wherein the outer frame (301) and the inner frame (302) are both fixed to the top of the main machine body (101) in a threaded mode, the threaded rod (303) is screwed in the middle of four side walls of the outer frame (301), one end of the threaded rod (303) is located between the outer frame (301) and the inner frame (302), the translation rod (304) is movably sleeved at one end, located between the outer frame (301) and the inner frame (302), of the threaded rod (303), the translation rod (304) penetrates through the side wall of the inner frame (302) and stretches into the inner frame (302), and the pressing block (305) is arranged at one end, located at which the translation rod (304) stretches into the inner frame (302);

the pipeline assembly (400) comprises an outer pipe (401) and an inner pipe (402) of a pipe penetrating work object, wherein the inner pipe (402) penetrates through the inner cavity of the outer pipe (401).

2. An intermediate pipe threading device as defined in claim 1, wherein: the movable base (201) is composed of a flat plate at the top and vertical plates on two sides of the bottom of the flat plate, and protruding blocks are arranged at the front end and the rear end of each vertical plate of the movable base (201).

3. An intermediate pipe threading device as defined in claim 1, wherein: the inner cavity of the main machine body (101) is provided with a moving groove matched with the moving base (201), and the section of the moving groove is in a convex shape.

4. An intermediate pipe threading device as defined in claim 1, wherein: the inner pipe support cutting sleeve (203) is in a circular truncated cone shape with the diameter gradually increasing from top to bottom.

5. An intermediate pipe threading device as defined in claim 1, wherein: through holes (302a) with the same diameter as the translation rod (304) are formed in the four side walls of the inner frame (302), and the inner wall of each through hole (302a) and the outer wall of each translation rod (304) are smooth walls which are polished.

6. An intermediate pipe threading device as defined in claim 1, wherein: the outer wall of the translation rod (304) is provided with scale marks.

7. An intermediate pipe threading device as defined in claim 1, wherein: the top plate (103) adopts a metal round plate with meshes.

8. An intermediate pipe threading device as defined in claim 1, wherein: the adjusting base (106) comprises a base plate platform (106a) and four groups of hydraulic adjusting supporting legs (106b), the four groups of hydraulic adjusting supporting legs (106b) are located at four corners of the bottom of the base plate platform (106a), and the base plate platform (106a) is located at the bottom of the main machine body (101).

9. An intermediate pipe threading device as defined in claim 1, wherein: the outer tube positioning assembly (300) can also comprise an outer frame (301), four groups of completely identical third electric push rods (306) and pressing blocks (305), the four groups of third electric push rods (306) are respectively fixed in the middle of the four inner walls of the outer frame (301), the pressing blocks (305) are arranged at the movable telescopic ends of the third electric push rods (306), the operation of the four groups of third electric push rods (306) is simultaneously controlled by identical operation switches, and the speeds of the telescopic ends of the four groups of third electric push rods (306) are identical.