CN217182926U

CN217182926U - Pre-buried mouth of pipe drop cable protection device

Info

Publication number: CN217182926U
Application number: CN202220545746.0U
Authority: CN
Inventors: 李明超; 邹润; 王君俊; 姜海涛; 张永飞; 周雨恒; 王洋; 顾君禄; 袁博; 贾云龙; 马永刚
Original assignee: China Railway First Engineering Group Co Ltd; Electric Engineering Co Ltd of China Railway First Engineering Group Co Ltd
Current assignee: China Railway First Engineering Group Co Ltd; Electric Engineering Co Ltd of China Railway First Engineering Group Co Ltd
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2022-08-12
Anticipated expiration: 2032-03-14

Abstract

The application discloses a pre-buried pipe orifice lead-in cable protection device, which relates to the technical field of cable laying and comprises a main sleeve, an auxiliary sleeve, a main sleeve shaft connector, an auxiliary sleeve shaft connector, a roller conveying part, sleeve fixing holes and sleeve connecting rods; the main oversleeve and the auxiliary oversleeves are of semicircular structures with the same size, and one ends of the two semicircular structures of the main oversleeve and the auxiliary oversleeves are movably connected through the auxiliary sleeve shaft connector; the front part of the main oversleeve is also connected with a roller conveying part, after the main oversleeve and the auxiliary oversleeves are buckled, the other end of the main oversleeve is fixed through a oversleeve fixing hole on the main oversleeve and a oversleeve connecting rod on the auxiliary oversleeve, or the oversleeve fixing hole is positioned on the main oversleeve, and the oversleeve connecting rod is positioned on the auxiliary oversleeve; this application reduces the damaged rate that buried pipe penetrated the intraductal cable, improves buried pipe and penetrates security and the reliability of intraductal cable.

Description

Pre-buried mouth of pipe drop cable protection device

Technical Field

The application relates to the technical field of cable laying, in particular to a pre-buried pipe orifice leading-in cable protection device.

Background

In the existing railway engineering, electromechanical installation and municipal engineering construction, overhead cables are mixed and disorderly, and in order to ensure the overall aesthetic property of appearance effect, the former overhead cables are often improved to be in a floor type; at present, the modes of pre-embedding pipes in advance and the like are generally adopted to provide paths for cable channels at the later stage.

In later-stage construction, however, due to reasons such as burrs of pre-buried pipe orifices, sharp pipe orifices and the like, the outer skin of the cable is damaged if the pipe orifices are light, and the insulation resistance value does not reach the standard due to damp in later stage; the core wires of the cables are damaged and are difficult to find, and the inevitable economic loss in the later period is caused.

Disclosure of Invention

The embodiment of the utility model provides a through providing a pre-buried mouth of pipe introducing cable protection device, solved in the prior art when pre-buried pipe places the cable often because of pre-buried mouth of pipe burr, mouth of pipe sharp reason such as, cause the cable crust to damage slightly, later stage is dampened, leads to the insulation resistance not up to standard; the impaired problem of cable heart yearn then leads to the fact heavily, the embodiment of the utility model provides a realized guaranteeing that the cable can be level and smooth penetrate the pre-buried pipe, reduced the pre-buried damaged rate that penetrates intraductal cable, improved pre-buried security and the reliability that penetrates intraductal cable.

The embodiment of the utility model provides a pre-buried pipe orifice lead-in cable protection device, which comprises a main sleeve, an auxiliary sleeve, a main sleeve shaft connector, an auxiliary sleeve shaft connector, a roller conveying part, sleeve fixing holes and sleeve connecting rods;

the main oversleeve and the auxiliary oversleeves are of semicircular structures with the same size, one ends of the two semicircular structures of the main oversleeve and the auxiliary oversleeves are movably connected through a main oversleeve shaft connector and an auxiliary oversleeve shaft connector, when the device is used, the main oversleeve and the auxiliary oversleeves are combined into a circular pipe orifice, and the caliber of the combined circular pipe orifice is smaller than the diameter of an embedded pipe orifice to be placed;

the front of the main oversleeve is also connected with a roller conveying part, after the main oversleeve and the auxiliary oversleeves are buckled, the other end of the main oversleeve is fixed through oversleeve fixing holes on the main oversleeve and oversleeve connecting rods on the auxiliary oversleeves, or the oversleeve fixing holes are on the main oversleeve, and the oversleeve connecting rods are on the auxiliary oversleeves.

In one possible implementation, the main sleeve is connected with a roller conveying part through shaft connectors at two sides of the end part, and the roller conveying part is positioned in front of the main sleeve;

the roller conveying part is provided with a roller rotating shaft, one of the shaft connectors connects the main sleeve shaft connector and the auxiliary sleeve shaft connector with one end of the roller rotating shaft, and the other shaft connector connects the other end of the roller rotating shaft with the other end of the main sleeve.

In a possible implementation manner, the shaft connector on one side of the main sleeve far away from the main sleeve shaft connector and the auxiliary sleeve shaft connector is fixedly connected with the main sleeve, sleeve fixing holes are formed in the shaft connector, a nut integrated with the auxiliary sleeve is fixedly connected on one side of the auxiliary sleeve far away from the main sleeve shaft connector and the auxiliary sleeve shaft connector, and when a sleeve connecting rod is installed in the nut for use, the sleeve connecting rod is inserted into the sleeve fixing holes;

the oversleeve connecting rod is provided with threads at the position connected with the oversleeve fixing holes, and the oversleeve fixing holes are also provided with threads.

In a possible implementation manner, the diameter of the sleeve connecting rod installed in the sleeve fixing hole is smaller than the diameter of the edge of the sleeve connecting rod connected with the sleeve fixing hole, which is arranged outside in a leakage manner.

In one possible implementation, both ends of the roller rotating shaft are locked by lock nuts.

In one possible implementation mode, the two shaft connectors are integrally of plate-shaped structures with the same area;

the plate-shaped structure comprises a vertical section, a horizontal section and an arc-shaped section, the horizontal section and the vertical section support two sides of the main oversleeve, and the arc-shaped section is located from the end part of the main oversleeve on the same side to the end part of the roller rotating shaft.

In one possible implementation manner, the edge portions of the main sleeve and the auxiliary sleeve for passing through the cable are bent outwards, and the surfaces of the edge portions are smooth.

In a possible implementation manner, the diameter of the shaft connector of the roller conveying part close to the two ends is larger than that of the middle part of the roller conveying part, and the surface of the roller conveying part is of a smooth curved surface structure.

The embodiment of the utility model provides an in one or more technical scheme, following technological effect or advantage have at least:

the embodiment of the utility model adopts the semi-circle structure that the main oversleeve and the auxiliary oversleeve are the same in size, and one end of the two semicircular structures of the main sleeve and the auxiliary sleeve are movably connected through the main sleeve shaft connector and the auxiliary sleeve shaft connector, when in use, the main sleeve and the auxiliary sleeve are combined into a circular pipe orifice, the aperture of the combined round pipe orifice is smaller than that of the pre-buried pipe orifice to be placed, the roller conveying part is connected in front of the main sleeve, after the main sleeve and the auxiliary sleeve are buckled, the other end is respectively fixed with the sleeve connecting rod through the sleeve fixing hole, when in specific use, the whole device is placed at the edge part of the embedded pipe, the cables to be conveyed are placed through the roller conveying part, so that the problems that in the prior art, when the cables are placed in the embedded pipe, due to burrs of the embedded pipe orifice, sharp pipe orifice and the like, the outer skin of the cables is damaged if the cables are light, and the insulation resistance value does not reach the standard due to the fact that the cables are damped in the later period are effectively solved; the damaged problem of cable heart yearn then causes seriously, and then has realized guaranteeing that the cable can be level and smooth penetrate the embedded pipe, reduces the pre-buried damaged rate that penetrates intraductal cable, improves pre-buried security and the reliability that penetrates intraductal cable.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments of the present invention or 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 view of a pre-buried pipe orifice leading-in cable protection device according to an embodiment of the present invention before a main sleeve and an auxiliary sleeve are fastened;

fig. 2 is a schematic structural view of the pre-buried pipe inlet cable protection device according to the embodiment of the present invention after the main oversleeve and the auxiliary oversleeve are fastened together.

Icon: 1-main oversleeve; 2-auxiliary oversleeves; 3-main and auxiliary sleeve shaft connectors; 4-sleeve fixing holes; 5-oversleeve connecting rods; 6-shaft connector; 7-a roller conveying section; 8-roller rotation axis; 9-pre-buried pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1-2, an embodiment of the present invention provides a pre-buried pipe inlet cable protection device, which includes a main sleeve 1, an auxiliary sleeve 2, a main sleeve shaft connector 3, a roller conveying part 7, sleeve fixing holes 4 and sleeve connecting rods 5;

the main oversleeve 1 and the auxiliary oversleeve 2 are of semicircular structures with the same size, one ends of the two semicircular structures of the main oversleeve 1 and the auxiliary oversleeve 2 are movably connected through the main oversleeve connector 3 and the auxiliary oversleeve connector 3, when the device is used, the main oversleeve 1 and the auxiliary oversleeve 2 are combined into a circular pipe orifice, and the caliber of the combined circular pipe orifice is smaller than the caliber of the embedded pipe 9 to be placed;

the roller conveying part 7 is further connected in front of the main oversleeve 1, the main oversleeve 1 and the auxiliary oversleeve 2 are buckled, the other end of the main oversleeve 1 is fixed through the oversleeve fixing hole 4 on the main oversleeve 1 and the oversleeve connecting rod 5 on the auxiliary oversleeve 2, or the oversleeve fixing hole 4 is located on the main oversleeve 1, the oversleeve connecting rod 5 is located on the auxiliary oversleeve 2, the main oversleeve 1 and the auxiliary oversleeve 2 can be connected according to the condition and the conventional design, and the main oversleeve 1 and the auxiliary oversleeve 2 can be buckled and the other end can be detachably connected.

Through the scheme, when the device is used specifically, the whole device is placed at the edge part of the embedded pipe 9 to be placed, the cable to be conveyed is placed through the roller conveying part 7, and after the placement is finished, the whole cable enters the embedded pipe 9 to be placed, so that the whole device can be taken out; the embodiment of the utility model effectively solves the problems that when the embedded pipe 9 is used for placing cables in the prior art, the embedded pipe 9 is often damaged by the burrs at the opening of the embedded pipe 9, the opening of the embedded pipe is sharp, and the insulation resistance value is not up to the standard due to the fact that the outer skin of the cable is damaged and the insulation resistance value is affected by damp at the later stage; the impaired problem of cable heart yearn then causes heavily, and then has realized guaranteeing that the cable can be level and smooth penetrate buried pipe 9, reduces the pre-buried damaged rate that penetrates intraductal cable, improves pre-buried security and the reliability that penetrates intraductal cable.

Optionally, the main sleeve 1 is connected with a roller conveying part 7 through shaft connectors 6 at two sides of the end part, and the roller conveying part 7 is positioned in front of the main sleeve 1;

the roller conveying part 7 is provided with a roller rotating shaft 8, one shaft connector 6 connects the main and sub sleeve shaft connectors 3 with one end of the roller rotating shaft 8, and the other shaft connector 6 connects the other end of the roller rotating shaft 8 with the other end of the main sleeve 1.

Through the scheme, two shaft connectors 6 are used for being connected the both ends of connecting roller axis of rotation 8 and the both ends of main oversleeve 1, and then connect roller conveyor 7 in the dead ahead of main oversleeve 1, during the use, the device is directly placed at the pre-buried pipe 9 edge part that will place, in the round tube mouth after main oversleeve 1 and the closed of vice oversleeve 2 was gone into in the time of the cable passed roller conveyor 7, when having the effect of guide cable, main oversleeve 1 and vice oversleeve 2 can also protect the cable.

Optionally, the shaft connector 6 on one side of the main oversleeve 1 away from the main and auxiliary oversleeve connectors 3 is fixedly connected with the main oversleeve 1, the shaft connector 6 is provided with a oversleeve fixing hole 4, one side of the auxiliary oversleeve 2 away from the main and auxiliary oversleeve connectors 3 is fixedly connected with a nut integrated with the auxiliary oversleeve 2, and when the oversleeve connecting rod 5 is installed in the nut for use, the oversleeve connecting rod 5 is inserted into the oversleeve fixing hole 4; the oversleeve connecting rod 5 is provided with screw threads at the position of connecting the oversleeve fixing holes 4, and the inside of the oversleeve fixing holes 4 is also provided with screw threads. The oversleeve connecting rod 5 is fastened and connected with the threads in the oversleeve fixing holes 4 mainly through threads of the oversleeve connecting rod, and the connecting mode is convenient and detachable.

Optionally, the diameter of the sleeve connecting rod 5 installed in the sleeve fixing hole 4 is smaller than the diameter of the edge of the sleeve connecting rod 5 connected with the sleeve fixing hole 4 which is arranged outside. The connecting tightness can be further ensured, the diameter of the edge of the sleeve connecting rod 5 connected with the sleeve fixing hole 4 is larger, the sleeve connecting rod 5 can be stopped and limited after being connected with the sleeve fixing hole 4, and therefore the connecting tightness is enhanced.

Alternatively, both end portions of the roller rotating shaft 8 are locked by lock nuts for restraining one side of the shaft connector 6.

Optionally, the two shaft connectors 6 are integrally of plate-shaped structures with the same area; the plate-shaped structure comprises a vertical section, a horizontal section and an arc-shaped section, wherein the horizontal section and the vertical section support two sides of the main oversleeve 1, and the arc-shaped section is positioned from the end part of the main oversleeve 1 on the same side to the end part of the roller rotating shaft 8. The horizontal section and the vertical section support both sides of the main oversleeve 1, namely are used for supporting the pipe orifice of the whole closed main oversleeve 1 and the auxiliary oversleeve 2, so as to enhance the stability of the main oversleeve and the auxiliary oversleeve, and are also used for supporting the roller conveying part 7.

Optionally, the edge portions of the main sleeve 1 and the auxiliary sleeve 2 for passing through the cable are bent outwards, and the surfaces of the edge portions are smooth. The purpose of this is to protect the cable if the surface is not smooth, if the cable is damaged by sharp mouth like burrs on the edge of the pre-buried pipe 9.

Optionally, the diameter of the shaft connector 6 of the roller conveying part 7 near the two ends is larger than the diameter of the middle part of the roller conveying part 7, and the surface of the roller conveying part 7 is of a smooth curved surface structure. The cable is arranged in the middle of the roller conveying part 7 as much as possible, and the cable is prevented from being rubbed left and right when being placed on the roller conveying part 7 or being rubbed with other places on the left and right, so that the cable is protected while being correctly guided.

The embodiment of the utility model adopts a seamless embedded pipe with the length of 500mm, and the main and auxiliary oversleeves are manufactured in a cutting mode of 'splitting into two' and the main and auxiliary oversleeve connectors are additionally arranged between the two sets of oversleeves; the main oversleeve 1 and the auxiliary oversleeve 2 are combined, and the pipe opening position of the pre-buried pipe 9 is placed for later-stage cable penetration, so that the device can be conveniently detached after the cable penetration is finished. It should be noted in addition that, the embodiment of the utility model provides a when using, the edge bottom of buried pipe 9 in advance should be unsettled a little, is higher than roller conveying portion 7 and the bottom surface of its hub connection ware 6, and it is more convenient just can the delivery cable roller conveying portion 7 like this, if the same level in the bottom of the edge of roller conveying portion 7 and buried pipe 9 in advance, this roller conveying portion 7 then can influence the transport of cable.

The embodiments in the present specification are described in a progressive manner, and the same or similar parts among the embodiments may be referred to each other, and each embodiment is described with emphasis on the difference from the other embodiments.

The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure.

Claims

1. A pre-buried pipe orifice lead-in cable protection device is characterized by comprising a main sleeve (1), an auxiliary sleeve (2), a main sleeve shaft connector and an auxiliary sleeve shaft connector (3), a roller conveying part (7), sleeve fixing holes (4) and sleeve connecting rods (5);

the main oversleeve (1) and the auxiliary oversleeves (2) are of semicircular structures with the same size, one ends of the two semicircular structures of the main oversleeves (1) and the auxiliary oversleeves (2) are movably connected through a main oversleeve connector and an auxiliary oversleeve connector (3), when the integrated oversleeve is used, the main oversleeves (1) and the auxiliary oversleeves (2) are combined into a circular pipe orifice, and the caliber of the combined circular pipe orifice is smaller than that of an embedded pipe (9) to be placed;

the front of the main oversleeve (1) is further connected with a roller conveying part (7), after the main oversleeve (1) and the auxiliary oversleeve (2) are buckled, the other end of the main oversleeve (1) is fixed through a oversleeve fixing hole (4) formed in the main oversleeve (1) and a oversleeve connecting rod (5) formed in the auxiliary oversleeve (2), or the oversleeve fixing hole (4) is formed in the main oversleeve (1), and the oversleeve connecting rod (5) is formed in the auxiliary oversleeve (2).

2. The pre-buried pipe orifice lead-in cable protection device is characterized in that the main oversleeve (1) is connected with a roller conveying part (7) through shaft connectors (6) on two sides of the end part, and the roller conveying part (7) is positioned in front of the main oversleeve (1);

the roller conveying part (7) is provided with a roller rotating shaft (8), one of the shaft connectors (6) connects the main sleeve shaft connector (3) and the auxiliary sleeve shaft connector with one end of the roller rotating shaft (8), and the other shaft connector (6) connects the other end of the roller rotating shaft (8) with the other end of the main sleeve (1).

3. The pre-buried pipe orifice lead-in cable protection device according to claim 2, wherein the shaft connector (6) on one side of the main oversleeve (1) far away from the main and auxiliary oversleeve connectors (3) is fixedly connected with the main oversleeve (1), a oversleeve fixing hole (4) is formed in the shaft connector (6), a nut which is integrated with the auxiliary oversleeve (2) is fixedly connected to one side of the auxiliary oversleeve (2) far away from the main and auxiliary oversleeve connectors (3), and when a oversleeve connecting rod (5) is installed in the nut for use, the oversleeve connecting rod (5) is inserted into the oversleeve fixing hole (4);

the oversleeve connecting rod (5) is provided with threads at the position connected with the oversleeve fixing holes (4), and the threads are also arranged in the oversleeve fixing holes (4).

4. The pre-buried pipe orifice drop cable protection device according to claim 3, wherein the diameter of the sleeve connecting rod (5) installed in the sleeve fixing hole (4) is smaller than the diameter of the edge of the sleeve connecting rod (5) connected with the sleeve fixing hole (4) which is arranged outside.

5. The pre-buried pipe orifice drop cable protection device of claim 2, wherein two ends of the roller rotating shaft (8) are locked by locking nuts.

6. The pre-buried pipe orifice lead-in cable protection device as claimed in claim 2, wherein the two shaft connectors (6) are integrally of plate-shaped structures with the same area;

the plate-shaped structure comprises a vertical section, a horizontal section and an arc-shaped section, the horizontal section and the vertical section support two sides of the main oversleeve (1), and the arc-shaped section is located from the end part of the main oversleeve (1) to the end part of the roller rotating shaft (8) on the same side.

7. The pre-buried pipe orifice lead-in cable protection device as claimed in claim 1, wherein the edge parts of the main sleeve (1) and the auxiliary sleeve (2) for passing through cables are bent outwards, and the surfaces of the edge parts are smooth.

8. The pre-buried pipe orifice lead-in cable protection device as claimed in claim 1, wherein the diameter of the shaft connector (6) of the roller conveying part (7) close to the two ends is larger than that of the middle part of the roller conveying part (7), and the surface of the roller conveying part (7) is of a smooth curved surface structure.