CN102468637B - Connecting and sealing device of cable pipe in pipe pulling construction - Google Patents
Connecting and sealing device of cable pipe in pipe pulling construction Download PDFInfo
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- CN102468637B CN102468637B CN201010551453.5A CN201010551453A CN102468637B CN 102468637 B CN102468637 B CN 102468637B CN 201010551453 A CN201010551453 A CN 201010551453A CN 102468637 B CN102468637 B CN 102468637B
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- pipe
- cable
- sealing device
- connection sealing
- pulling construction
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- 238000007789 sealing Methods 0.000 title claims abstract description 34
- 238000010276 construction Methods 0.000 title claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims description 39
- 239000010959 steel Substances 0.000 claims description 39
- 238000006243 chemical reaction Methods 0.000 claims description 32
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 20
- 230000001681 protective effect Effects 0.000 claims description 16
- 229910052742 iron Inorganic materials 0.000 claims description 10
- 239000003351 stiffener Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 18
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000005553 drilling Methods 0.000 abstract 3
- 239000013049 sediment Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 17
- 230000008569 process Effects 0.000 description 11
- 238000006073 displacement reaction Methods 0.000 description 4
- 239000002023 wood Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention provides a connecting and sealing device of a cable pipe in pipe pulling construction, which is used for connecting the cable pipe and a rotary drilling bit. The connecting and sealing device comprises a connecting pipe and a converting and traction disc, wherein the connecting pipe is arranged in the cable pipe and is provided with a bolt connecting device at one end close to a rotary driller; and the converting and traction disc is arranged at the other end of the connecting pipe, is connected with the connecting pipe by the bolt connecting device, and is connected with the rotary drilling bit. In the connecting and sealing device, the problems of sediment entering, poor traction effect and resource waste in the cable pipe are solved, and further the effects that the sealing of the cable pipe is enhanced, the stressed direction of the cable pipe is consistent with the traction force of the rotary drilling bit, and the cable pipe is prevented from being intersected and extruded to be damaged are achieved.
Description
Technical field
The present invention relates to power construction technical field, relate in particular to a kind of connection sealing device of cable pipe in pipe pulling construction.
Background technology
The main system of laying of 10kV power cable is that pipe well lays, and at present due to the complexity of municipal construction, many situations can not open cut, such as the place etc. of passing by one's way.This will adopt the mode of this non-excavation of trombone slide to carry out the cable laying operation of cable tube.Owing to providing the manufacturer of pipe drawing machine that power station equipment and the corresponding rotary drilling-head that trombone slide uses is only provided, being connected and sealing device of rotary drilling-head and cable tube is not provided, therefore can not ensure the quality of on-the-spot trombone slide.
Traditional cable tube and the method for attachment of drill bit, for filling in one section of wood in each root cable tube, are holed cable tube together with wood, then penetrate in the hole of accomplishing fluently with steel wire rope, finally all cable tubes are connected on rotary drilling-head by steel wire rope together.
Tradition method of attachment has a lot of drawbacks:
1, because the roundness of wood is inadequate, fill in the poor sealing in cable tube, cable tube easily enters silt in the process of traction, for follow-up cable laying makes troubles;
2, multi-cable pipe (being generally 8～12) is fixed on the same point of rotary drilling-head, can make the suffered tractive effort direction of every cable tube inconsistent, affects the traction effect of hauling machine;
3, every cable tube rotary drilling-head adopts steel wire rope to be flexible coupling, in cable tube traveling process, can produce displacement, between tube and tube, may intersect, push, once cable tube is crushed, the whole cable passage at this root pipe place all cannot use, and causes the waste of resource.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of connection sealing device of cable pipe in pipe pulling construction, to solve in distraction procedure, enters that silt, traction effect are poor in cable tube, cable tube intersects the easily problem such as damage of extruding.
For solving the problems of the technologies described above, according to an aspect of the present invention, a kind of connection sealing device of cable pipe in pipe pulling construction is provided, for stube cable pipe and rotary drilling-head, the connection sealing device of this cable pipe in pipe pulling construction comprises: tube connector, one end is connected with cable tube, and the other end of tube connector is provided with bolt connecting device; Conversion sheave, is arranged on the other end of tube connector, and conversion sheave is bolted device and is connected with tube connector and changes sheave and be connected with rotary drilling-head.
Further, tube connector is seamless steel pipe.
Further, one end of seamless steel pipe is welded with iron plate.
Further, bolt connecting device is welded on iron plate center.
Further, on the tube wall of seamless steel pipe, be provided with the first connecting hole being connected with cable tube.
Further, on conversion sheave, be provided with the second connecting hole being connected with bolt connecting device.
Further, on conversion sheave, weld multiple terminals that are connected with rotary drilling-head, terminal is provided with the 3rd connecting hole, and rotary drilling-head has connecting ring, and the 3rd connecting hole is connected with connecting ring by steel wire.
Further, the number of terminal is three and symmetrical.
Further, terminal is connecting plate, and terminal side arranges stiffener.
Further, also comprise the protective cap covering on conversion sheave, on protective cap, be provided with the 4th connecting hole that exposes terminal.
The present invention has following beneficial effect:
The seamless steel pipe tube connector with bolt connecting device is set in cable tube of the present invention, also be provided with the conversion sheave being bolted with tube connector, then changing sheave is connected with rotary drilling-head again, because the roundness of seamless steel pipe tube connector is better, thereby improve the sealing between cable tube, and bolt connection can be avoided producing displacement in cable tube traveling process and move, overcome and in cable tube, entered silt, traction effect is poor, the problem of the wasting of resources, and then reach and strengthen cable tube sealing, cable tube be subject to force direction all consistent with the tractive effort of rotary drilling-head, prevent the effect of cable tube intersection extrusion damage.
Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.
Brief description of the drawings
Accompanying drawing is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 has schematically shown the front view of the tube connector of the embodiment of the present invention;
Fig. 2 has schematically shown the front view of the connection sealing device of the cable pipe in pipe pulling construction of the embodiment of the present invention;
Fig. 3 has schematically shown the vertical view of the tube connector of the embodiment of the present invention;
Fig. 4 has schematically shown the vertical view of the conversion sheave of the embodiment of the present invention;
Fig. 5 has schematically shown the stiffener structure of the embodiment of the present invention;
Fig. 6 has schematically shown the front view of the protective cap of the embodiment of the present invention; And
Fig. 7 has schematically shown the vertical view of the protective cap of the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
Connection sealing device stube cable pipe 40 and the rotary drilling-head 50 of the cable pipe in pipe pulling construction of the embodiment of the present invention.As shown in Figure 1, the connection sealing device of cable pipe in pipe pulling construction comprises according to an embodiment of the invention: tube connector 10, be arranged in cable tube 40, the effect of tube connector 10 is the fixing points that add a traction use to cable tube 40, also cable tube 40 is played the effect of sealing simultaneously.After pipe in pipe pulling construction completes, in pipe, be difficult for having foreign material, reduced the labour cost of clearing up cable tube before cable laying.Tube connector 10 arranges bolt connecting device 13 near one end of rotary drilling-head 50, plays the effect that connects rotary drilling-head 50.
As shown in Figure 2, the connection sealing device of cable pipe in pipe pulling construction also comprises according to an embodiment of the invention: conversion sheave 20, conversion sheave 20 is connected with bolt connecting device 13 and rotary drilling-head 50 respectively, and conversion sheave 20 is bolted device 13 and is connected with tube connector 10.Every cable tube 40 is all connected with conversion sheave 20 by the bolt connecting device 13 being arranged on tube connector 10 wherein, conversion sheave 20 is connected with rotary drilling-head 50, such connected mode, make can not produce displacement in cable tube traveling process, between cable tube and cable tube, can not intersect, push.The effect of conversion sheave 20 is exactly that the tie point of cable tube and rotary drilling-head is become multiple from one, being convenient to multi-cable is connected with it, simultaneously, changing sheave 20 makes into rigidity hard material, for example, for steel plate is made, can not produce the deformation in connection, thereby ensure that the every suffered tractive effort direction of cable tube can be consistent, traction effect is good.
Said structure can prevent from entering in cable tube that silt, traction effect are poor, the problem of the wasting of resources, thus reach strengthen the sealing of cable tube, tractive effort that cable tube is subject to evenly, cable tube do not intersect the effect of not pushing.
Preferably, tube connector 10 is seamless steel pipe, and seamless steel pipe is all high with respect to resistance to pressure and the intensity of seamed steel pipe, and is convenient to make processing.Preferably, can choose than the seamless steel pipe of the little about 2mm of cable tube 40 internal diameter, seamless steel pipe and cable tube 40 gaps are little, are not easy into silt in traction is advanced, and the resistance of advancing reduces.
Preferably, as shown in Figure 1, the first connecting hole 17 that the tube wall setting of seamless steel pipe is connected with cable tube 40.Preferably, each seamless steel pipe arranges 4 the first connecting holes 17 altogether, and adjacent two the first connecting holes 17 are 90 ° with the angle in the axle center of seamless steel pipe.4 the first connecting holes 17 can be arranged on the position of different height of the tube wall of seamless steel pipe, to be connected with cable tube 40.Preferably, the first connecting hole 17 is screw, is spirally connected with cable tube 40.
Preferably, as shown in Figure 1, the first end 11 of seamless steel pipe is near one end welding iron plate 15 of rotary drilling-head 50, and iron plate 15 can be by this end sealing of seamless steel pipe.Avoid in traveling process with a large amount of silt together forward, also avoiding increasing friction force.Preferably, as shown in Figure 3, bolt connecting device 13 is welded on iron plate 15 centers, and the object arranging is like this that cable tube is stressed evenly in distraction procedure, front line stabilization.Preferably, can select the bolt of M16.
Certainly, the first end 11 of seamless steel pipe can be also semiclosed (not shown), as the first end 11 at seamless steel pipe weld one by center and there is the iron plate that is enough to the width that bolt is set, but owing to being semiclosed, so easily enter earth in seamless steel pipe in distraction procedure, the resistance moving ahead and frictional force all can increase, and effect does not have the first end 11 of seamless steel pipe, and to be iron plate 15 welded closure good.
Preferably, as shown in Figure 4, on conversion sheave 20, the second connecting hole 21 being connected with bolt connecting device 13 is set.Bolt is through the second connecting hole 21, and fastening nut, changes sheave 20 and be just spirally connected with tube connector 10.The shape of the second connecting hole 21 can be various, but for to adapt with bolt, preferably, the second connecting hole 21 is circular.Preferably, the second connecting hole 21 is the circle of Φ 20mm.Preferably, the quantity that the second connecting hole 21 is set on conversion sheave 20 is at least identical with the radical of trombone slide, and the distance between any two the second connecting holes 21 must not be less than the diameter of drawn cable tube 40, avoid the damage that may intersect, push and cause between cable tube and cable tube.
Preferably, as shown in Figure 4, on conversion sheave 20, weld multiple terminals 23 that are connected with rotary drilling-head 50.Terminal 23 is provided with the 3rd connecting hole 27, and rotary drilling-head has connecting ring, and for example connecting ring can be arranged on the end of rotary drilling-head, and the 3rd connecting hole 27 is connected with connecting ring by steel wire, and terminal 23 just can be connected with rotary drilling-head like this.Certainly, terminal 23 can also have other various suitable structures being connected with rotary drilling-head 50.Preferably, terminal 23 can be made with iron plate or steel disc or steel plate, is welded on conversion sheave 20.Preferably, select steel disc or steel plate to make, the intensity of steel disc is larger.Preferably, the number of terminal 23 is three and symmetrical, and 3 tractions have ensured stablizing in traction traveling process.
Preferably, as shown in Figure 5, terminal 23 sides are provided with stiffener 25, can strengthen like this intensity of terminal 23, avoid the terminal 23 that may cause in traction traveling process to get loose.Stiffener 25 can only be arranged on a side of terminal 23, also can all arrange both sides, and preferably, terminal 23 both sides are respectively arranged with stiffener 25, better for the fixed effect of terminal 23 like this.Certainly, stiffener 25 can suitably increase in the quantity of each side, is not limited to one.Preferably, stiffener 25 is selected steel plate.
Preferably, as shown in Figure 6, the connection sealing device of cable pipe in pipe pulling construction also comprises protective cap 30, and protective cap 30 can be protected screw bolt and nut.Protective cap 30 is provided with the 4th connecting hole 31 that exposes terminal 23.As shown in Figure 7, preferably, the size of the size of the 4th connecting hole 31 and terminal 23 matches, and terminal 23 can be connected with rotary drilling-head 50 by the 4th connecting hole 31 smoothly.
Preferably, as shown in Figure 6, protective cap 30 is made spherical, so that processing.Preferably, the bottom of spherical protective cap size matches with conversion sheave 20.Spherical protective cap can improve conversion sheave 20 sharp keen edge shape, avoids in traveling process with a large amount of silt together forward increasing friction force.When in traction traveling process; spherical protective cap is close to conversion sheave 20 under the effect of pressure, avoids making silt to be deep in screw bolt and nut, can protect screw bolt and nut; avoid making troubles to dismounting, also can prevent from damaging screw rod and cause non-detachable problem.Domed protective cap makes from rotary drilling-head 50 to there being a level and smooth transition cable tube 40, and silt can slip off along the inclined-plane of protective cap 30, has reduced frictional resistance.Make like this in the power station course of work, draw smooth and easyly, tractive effort is steady, thereby has improved the operating state of power station equipment, has extended the service life of equipment.
As can be seen from the above description, the above embodiments of the present invention have realized following technique effect:
1, the sealing of cable tube is all right, and after pipe in pipe pulling construction completes, no-sundries in pipe, has reduced the labour cost of clearing up cable tube before cable laying.
2, the hard connection that cable tube adopts with conversion sheave, in cable tube traveling process, can not produce displacement, after pipe in pipe pulling construction completes, cable tube is without the situation of intersection, distortion and distortion, reduce the Master Cost that cable tube occurs because of damaging, the more important thing is the waste that has reduced material.
3, the suffered tractive effort direction of every cable tube is consistent, and the traction effect of hauling machine is good.
4, conversion sheave, with protective cap, can effectively reduce the resistance between silt, in the power station course of work, draws smooth and easyly, and tractive effort is steady, thereby has improved the operating state of power station equipment, has extended the service life of equipment.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a connection sealing device for cable pipe in pipe pulling construction, for stube cable pipe and rotary drilling-head, is characterized in that, the connection sealing device of described cable pipe in pipe pulling construction comprises:
Tube connector (10), one end is connected with described cable tube, and the other end of described tube connector (10) is provided with bolt connecting device (13);
Conversion sheave (20), be arranged on the described other end of described tube connector (10), described conversion sheave (20) is connected with described tube connector (10) by described bolt connecting device (13) and described conversion sheave (20) is connected with described rotary drilling-head, and the described sheave (20) of changing is into rigidity hard material.
2. the connection sealing device of cable pipe in pipe pulling construction according to claim 1, is characterized in that, described tube connector (10) is seamless steel pipe.
3. the connection sealing device of cable pipe in pipe pulling construction according to claim 2, is characterized in that, one end (11) of described seamless steel pipe is welded with iron plate (15).
4. the connection sealing device of cable pipe in pipe pulling construction according to claim 3, is characterized in that, described bolt connecting device (13) is welded on described iron plate (15) center.
5. the connection sealing device of cable pipe in pipe pulling construction according to claim 4, is characterized in that, is provided with the first connecting hole (17) being connected with described cable tube on the tube wall of described seamless steel pipe.
6. the connection sealing device of cable pipe in pipe pulling construction according to claim 5, is characterized in that, is provided with the second connecting hole (21) being connected with described bolt connecting device (13) on described conversion sheave (20).
7. the connection sealing device of cable pipe in pipe pulling construction according to claim 6, it is characterized in that, on described conversion sheave (20), weld the terminal (23) that multiple and described rotary drilling-head is connected, described terminal (23) is provided with the 3rd connecting hole (27), described rotary drilling-head has connecting ring, and described the 3rd connecting hole (27) is connected with described connecting ring by steel wire.
8. the connection sealing device of cable pipe in pipe pulling construction according to claim 7, is characterized in that, the number of described terminal (23) is three and is uniformly distributed on described conversion sheave.
9. the connection sealing device of cable pipe in pipe pulling construction according to claim 8, is characterized in that, described terminal is connecting plate, and described terminal side arranges stiffener (25).
10. the connection sealing device of cable pipe in pipe pulling construction according to claim 9; it is characterized in that; also comprise the protective cap (30) covering on described conversion sheave (20), on described protective cap (30), be provided with the 4th connecting hole (31) that exposes described terminal (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010551453.5A CN102468637B (en) | 2010-11-18 | 2010-11-18 | Connecting and sealing device of cable pipe in pipe pulling construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010551453.5A CN102468637B (en) | 2010-11-18 | 2010-11-18 | Connecting and sealing device of cable pipe in pipe pulling construction |
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| Publication Number | Publication Date |
|---|---|
| CN102468637A CN102468637A (en) | 2012-05-23 |
| CN102468637B true CN102468637B (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010551453.5A Active CN102468637B (en) | 2010-11-18 | 2010-11-18 | Connecting and sealing device of cable pipe in pipe pulling construction |
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| Country | Link |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101440895A (en) * | 2008-12-30 | 2009-05-27 | 浙江尤尼克管业有限公司 | Backfilling apparatus and method of non-digging drag pipe construction |
| CN101457853A (en) * | 2008-11-20 | 2009-06-17 | 江苏广宇建设集团有限公司 | Non-digging tube-pulling construction method |
| CN201910605U (en) * | 2010-11-18 | 2011-07-27 | 北京市电力公司 | Connecting and sealing device of cable pipe in pipe pulling construction |
-
2010
- 2010-11-18 CN CN201010551453.5A patent/CN102468637B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101457853A (en) * | 2008-11-20 | 2009-06-17 | 江苏广宇建设集团有限公司 | Non-digging tube-pulling construction method |
| CN101440895A (en) * | 2008-12-30 | 2009-05-27 | 浙江尤尼克管业有限公司 | Backfilling apparatus and method of non-digging drag pipe construction |
| CN201910605U (en) * | 2010-11-18 | 2011-07-27 | 北京市电力公司 | Connecting and sealing device of cable pipe in pipe pulling construction |
Non-Patent Citations (2)
| Title |
|---|
| 刘如先等.非开挖拉管施工工艺.《建筑施工》.2008,第30卷(第10期),第878－879页. |
| 非开挖拉管施工工艺;刘如先等;《建筑施工》;20081031;第30卷(第10期);第878－879页 * |
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| CN102468637A (en) | 2012-05-23 |
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Owner name: BEIJING ELECTRIC POWER CORP. Effective date: 20121225 Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: BEIJING ELECTRIC POWER CORP. Effective date: 20121225 |
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Effective date of registration: 20121225 Address after: 100031 West Chang'an Avenue, Beijing, No. 86 Applicant after: State Grid Corporation of China Applicant after: Beijing Electric Power Corp. Address before: 100031 Beijing Qianmen West Street, Xicheng District, No. 41 Applicant before: Beijing Electric Power Corp. |
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