CN113783156A - Underground pipe gallery power support - Google Patents
Underground pipe gallery power support Download PDFInfo
- Publication number
- CN113783156A CN113783156A CN202110972220.0A CN202110972220A CN113783156A CN 113783156 A CN113783156 A CN 113783156A CN 202110972220 A CN202110972220 A CN 202110972220A CN 113783156 A CN113783156 A CN 113783156A
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- China
- Prior art keywords
- cross arm
- base
- mandrel
- locking
- screw rod
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G9/00—Installations of electric cables or lines in or on the ground or water
- H02G9/06—Installations of electric cables or lines in or on the ground or water in underground tubes or conduits; Tubes or conduits therefor
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- Supports For Pipes And Cables (AREA)
Abstract
The invention relates to the technical field of pipeline conveying devices, in particular to an underground pipe gallery electric power support which overcomes the problems of unreliable locking, large occupied space and the like of the existing support and comprises a base fixed on the wall of a pipe gallery, a cross arm extending out of the base and used for supporting an electric wire, wherein the rear end of the cross arm is inserted into a U-shaped opening of the base and hinged by a first mandrel, and a positioning and locking structure used for locking the cross arm after swinging on the base by different angles is also arranged So that the second mandrel can move from one group of positioning holes to the other group of positioning holes through the sliding groove, and the length of the adjustable support rod can be adjusted.
Description
Technical Field
The invention relates to the technical field of pipeline conveying devices, in particular to an electric power support for supporting an electric wire in an underground pipe gallery.
Background
In cities, including power lines, telecommunication lines, municipal water supply and gas pipelines and the like, underground transportation is generally adopted, the pipelines are uniformly arranged in underground pipe galleries, the underground pipe galleries are usually passages with circular sections formed by excavation of shield machines, the pipelines are supported on the walls of the pipe galleries by various supports or are directly arranged at the bottoms of the pipe galleries, wherein the power lines are special, the high-voltage electricity is transported, the sufficient safety and reliability of the facilities must be ensured, and the electric wires are supported on the walls of the pipe galleries by the supports.
The support for supporting the electric wire structurally comprises a base fixed on the wall of a pipe gallery and cross arms extending from the base according to the use requirement, the electric wire is laid on the cross arms of the arranged supports, the fixed connection of the cross arms and the base is changed into a hinged form with an adjustable included angle in order to ensure that the cross arms can ensure a uniform swing angle, namely, the included angle of each extending cross arm is consistent with the included angle of a horizontal plane, the structure is as shown in figure 1, the base 1 'is fixed on the wall of the pipe gallery, the rear end of the cross arm 2' is hinged on the base 1 ', and the hinged part is provided with a fastening bolt 3', and the electric power support with the structure has the defects that: firstly, the locking effect is poor, the locking part only depends on the friction force of the contact surface of the base 1 'and the cross arm 2', the locking is not firm, in addition, in some cases, when only one long fastening bolt 3 'is used, the base 1' and the cross arm 2 'at the locking part do not have enough rigidity, so that the tightening torque of the fastening bolt 3' is difficult to control, and even if the base 1 'and the cross arm 2' deform after being tightened, the ideal locking effect cannot be achieved; secondly, the cross arm 2 ' has large processing difficulty, the difference between the hinged locking structure at the rear end and the flanging supporting structure at the front end for improving the rigidity is large, the processing can be completed by a plurality of processing means, the manufacturing process of parts is complicated, thirdly, the space occupied by the electric power bracket is also large because the size of the hinged point away from the wall of the pipe gallery is large, the electric power bracket fixed on the wall of the pipe gallery is required to be arranged at different heights, namely, the hole through which the fastening bolt 3 ' passes on at least one part of the base 1 ' and the cross arm 2 ' is required to be arranged as an arc waist hole 4 ' so that the swing angle of the cross arm 2 ' on the base 1 ' can be finely adjusted and can be greatly adjusted, thus the cross arm is well arranged at different heights of the arc wall surface of the pipe gallery, the requirement of improving the locking force is added, the locking axis is required to be ensured to have a certain distance away from the hinged axis, and the size of the hinged part in the horizontal direction is large, the distance from the electric wire to the wall of the pipe gallery is too large, and the space which can be saved is wasted.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides an underground pipe gallery power support, overcomes current support locking unreliable and occupation space scheduling problem greatly.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides an underground pipe gallery electric power support, has the base of fixing on the pipe gallery wall and the cross arm of the support electric wire that stretches out from the base, the cross arm rear end inserts the U-shaped opening of base and is articulated by first dabber, the cross arm can the luffing motion become the contained angle different with the base, electric power support still has the location locking structure of locking the cross arm after the different angles of swing on the base, location locking structure be, be equipped with adjustable branch between base and cross arm, adjustable branch one end articulates on the base, the other end upwards supports on the cross arm through the second dabber, the cross section profile of cross arm is base open-ended rectangular tube shape, the both ends of second dabber are fixed a position respectively in the locating hole of cross arm both sides wall, the locating hole for link up at least two sets of interval setting around the cross arm both sides wall, the locating hole that sets up around the cross arm side wall links to each other by the spout of below, So that the second mandrel can move from one group of positioning holes to the other group of positioning holes through the sliding groove, and the length of the adjustable support rod can be adjusted.
In order to stabilize the state of the cross arm relative to the base, locking holes with through axes parallel to the axis of the first mandrel are arranged on the wall of the U-shaped opening of the base and the side wall of the cross arm, and locking bolts are arranged in the locking holes.
Furthermore, in order to enable the cross arm to be locked on the base after swinging at different angles, the shape of the locking hole on the base and/or the cross arm is an arc waist hole, and the circle center of the arc waist hole is positioned on the first axial line.
The adjustable support rod is adjustable in length, the two ends of the adjustable support rod are connected with the base and the second mandrel, a third mandrel parallel to the first mandrel is arranged on the U-shaped opening of the base, the adjustable support rod comprises a first screw rod and a second screw rod which are coaxial, the first screw rod and the second screw rod are connected through an internal thread sleeve between the first screw rod and the second screw rod, the other end of the first screw rod is connected with the third mandrel in a hinged mode, the other end of the second screw rod is connected with the second mandrel in a hinged mode, and the length of the adjustable support rod is changed through forward and reverse rotation of the internal thread sleeve.
In order to stabilize the support of the adjustable support rod on the cross arm, the second mandrel is a bolt, and a nut is screwed on the bolt so that the second mandrel can be positioned in any group of positioning holes on the cross arm.
The invention has the beneficial effects that:
the electric power support supports the swung cross arm mainly through the adjustable support rod with the variable length, and the cross arm and the base can be stably positioned under different included angles by combining the positioning holes formed in the cross arm, so that the supporting requirements of the inner wall of the circular pipe gallery on electric wires at different heights can be met only by one electric power support;
the cross arm can be processed by using sectional materials, so that the processing cost of the cross arm is reduced, the cross arm does not need to be bent, and the size of the cross section of the cross arm can be reduced;
thirdly, the positioning locking structure is not mainly arranged on the base any more, so that the size of the base is reduced, and the structure of the electric power support is compact;
and fourthly, the cross arm can be easily and accurately adjusted to a state that the front end of a certain set included angle with the horizontal plane is slightly raised by using the adjustable supporting rod.
Drawings
FIG. 1 is a schematic structural diagram of an existing power rack;
FIG. 2 is a perspective view of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is a top view of the present invention;
FIG. 5 is a sectional view A-A of FIG. 4;
fig. 6 is a schematic view of the present invention in use at different heights within a subterranean passageway.
In fig. 1: 1 ', a base, 2', a cross arm, 3 ', a fastening bolt, 4' and an arc waist hole;
in fig. 2 to 6: 1. the device comprises a base, 2 parts of a cross arm, 2-1 parts of a positioning hole, 2-2 parts of a sliding groove, 3 parts of a first mandrel, 4 parts of an adjustable supporting rod, 4-1 parts of a first screw rod, 4-2 parts of a second screw rod, 4-3 parts of an internal thread sleeve, 5 parts of a second mandrel, 6 parts of a locking bolt, 7 parts of a third mandrel.
Detailed Description
The technical solutions in the embodiments of the present invention are 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 only a part of the embodiments of the present invention, and not all embodiments. 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.
An underground pipe gallery electric power support as shown in figure 2, have base 1 fixed on the wall of the pipe gallery and cross arm 2 of the supporting wire that stretches out from base 1, as shown in figure 3, the rear end of cross arm 2 inserts the U-shaped opening of the base 1 and is articulated by the first mandrel 3, the cross arm 2 can swing up and down into the included angle different from base 1, the electric power support also has positioning and locking structure of locking after swinging the cross arm 2 on the base 1 by different angles, the positioning and locking structure is, there is adjustable fulcrum bar 4 between base 1 and cross arm 2, one end of the adjustable fulcrum bar 4 is articulated on base 1, another end supports on the cross arm 2 upwards through the second mandrel 5, the cross sectional profile of the cross arm 2 is the rectangular tubular shape of the open bottom, namely, the external profile of the cross arm 2 is a rectangle, the bottom edge of the cross arm 2 is the whole opening or part of opening; the rigidity of the cross arm 2 is better when the cross arm is partially opened, the opening is arranged for installing a wire clamp, two ends of the second mandrel 5 are respectively positioned in positioning holes 2-1 on two side walls of the cross arm 2, the positioning holes 2-1 are five groups which penetrate through the two side walls of the cross arm 2 and are arranged at intervals in the front and back direction, the opposite positioning holes 2-1 on the left side wall and the right side wall of the cross arm 2 are respectively in one group, the positioning holes 2-1 arranged on the front and back side walls of the cross arm 2 are connected through the sliding groove 2-2 below, so that the second mandrel 5 can move from one group of positioning holes to the other group of positioning holes 2-1 through the sliding groove 2-2, the positioning holes 2-1 are actually formed into positioning gaps through the structure that the sliding grooves 2-2 are connected through the sliding grooves 2-2, the sliding grooves 2-2 are respectively arranged on the left side wall and the right side wall of the cross arm 2, and the length of the adjustable supporting rod 4 is adjustable.
Referring to fig. 4, the wall of the U-shaped opening of the base 1 and the side wall of the cross arm 2 are provided with through locking holes with axes parallel to the axis of the first mandrel 3, the locking holes are internally provided with locking bolts 6, and the left side wall and the right side wall of the cross arm 2 are respectively provided with one locking bolt 6 connected with the base 1.
The locking hole on the base 1 is arc waist hole, and the centre of a circle of arc waist hole pitch arc is located 3 axles on the first dabber, like this, when cross arm 2 is different contained angles with base 1, locking bolt 6 can both play the locking effect, and locking bolt 6 presss from both sides tightly two walls of cross arm 2 and base 1 contact, and locking bolt 6 indicates the combination of bolt and nut.
Referring to fig. 3 and 5, the adjustable support rod 4 has an adjustable length and two ends connected to the base 1 and the second mandrel 5, wherein a third mandrel 7 parallel to the first mandrel 3 is arranged on the U-shaped opening of the base 1, the adjustable supporting rod 4 comprises a first screw rod 4-1 and a second screw rod 4-2 which are coaxial, the first screw rod 4-1 and the second screw rod 4-2 are connected by an internal thread sleeve 4-3 between the first screw rod and the second screw rod, the other end of the first screw rod 4-1 is sleeved on a third mandrel 7 to form a hinged connection, the other end of the second screw rod 4-2 is sleeved on a second mandrel 5 to form a hinged connection, the length of the adjustable supporting rod 4 is changed by the positive and negative rotation of the internal thread sleeve 4-3, of course, the threads at the two ends of the internal thread sleeve 4-3 are threads which are in positive and negative rotation, so that the approach and the approach of the first screw rod 4-1 and the second screw rod 4-2 can be realized only by the positive and negative rotation of the internal thread sleeve 4-3; of course, another arrangement mode can be that the screw rod is changed into a screw sleeve, and the screw sleeve is changed into a screw rod, so that the screw rod with the forward and reverse threads at two ends is positioned in the middle of the forward and reverse rotation adjusting support rod.
The second mandrel 5 is a bolt, a nut is screwed on the bolt so that the second mandrel 5 can be positioned in any group of positioning holes 2-1 on the cross arm 2, the nut is loosened during installation of the electric power support, and the nut of the second mandrel 5 is in a screwed state after the installation and during the use of the electric power support.
The invention can be used at different heights of the underground pipe gallery, positioned in different positioning holes by the second mandrel 5, meanwhile, the included angle between the cross arm 2 and the base 1 can be any angle within a required range by combining the length adjustment of the adjustable supporting rod 4, generally, the positioning hole 2-1 is selected for roughly adjusting the angle, then the angle is finely adjusted by the adjustment of the adjustable supporting rod 4, the number and the position of the positioning holes 2-1 and the adjustable length of the adjustable supporting rod 4 are set according to the diameter of the pipe gallery and the designed installation height range, as shown in figure 6, two parallel circular T-shaped groove rails are pre-embedded on the circumferential wall of the inner wall of the pipe gallery where the electric power bracket is required to be installed, the T-shaped end of a T-shaped bolt for fixing the electric power bracket is arranged in the T-shaped groove, the center distance between the mounting holes at the two sides of the base 1 is consistent with the center distance between the two pre-buried T-shaped groove rails.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (5)
1. The utility model provides an underground pipe gallery power support, has base (1) of fixing on the pipe gallery wall and cross arm (2) of the support electric wire that stretches out from base (1), the U-shaped opening of base (1) is inserted and is articulated by first dabber (3) to cross arm (2) rear end, but cross arm (2) luffing motion becomes the contained angle different with base (1), characterized by: the electric power support is further provided with a positioning and locking structure for locking the cross arm (2) after swinging on the base (1) by different angles, the positioning and locking structure is that an adjustable supporting rod (4) is arranged between the base (1) and the cross arm (2), one end of the adjustable supporting rod (4) is hinged on the base (1), the other end of the adjustable supporting rod is upwards abutted on the cross arm (2) through a second mandrel (5), the cross section outline of the cross arm (2) is in a rectangular tube shape with an open bottom edge, two ends of the second mandrel (5) are respectively positioned in positioning holes (2-1) on two side walls of the cross arm (2), the positioning holes (2-1) are at least two groups which are penetrated through the two side walls of the cross arm (2) and are arranged at intervals from front to back, and the positioning holes (2-1) arranged on the front and back of the side walls of the cross arm (2) are connected through a sliding groove (2-2) below, So that the second mandrel (5) can move from one group of positioning holes (2-1) to the other group of positioning holes (2-1) through the sliding groove (2-2), and the length of the adjustable support rod (4) can be adjusted.
2. An underground pipe gallery power rack as claimed in claim 1, wherein: and through locking holes with axes parallel to the axis of the first mandrel (3) are arranged on the walls of the U-shaped opening of the base (1) and the side walls of the cross arm (2), and locking bolts (6) are arranged in the locking holes.
3. An underground pipe gallery power rack as claimed in claim 2, wherein: the locking hole on the base (1) and/or the cross arm (2) is an arc waist hole, and the circle center of the arc waist hole is located on the axis of the first mandrel (3).
4. An underground pipe gallery power rack as claimed in claim 1, wherein: the adjustable support rod (4) is adjustable in length and is connected with the base (1) and the second mandrel (5) at two ends, a third mandrel (7) parallel to the first mandrel (3) is arranged on a U-shaped opening of the base (1), the adjustable support rod (4) comprises a first screw rod (4-1) and a second screw rod (4-2) which are coaxial, the first screw rod (4-1) and the second screw rod (4-2) are connected through an internal thread sleeve (4-3) between the first screw rod and the second screw rod, the other end of the first screw rod (4-1) is sleeved on the third mandrel (7) to form hinged connection, the other end of the second screw rod (4-2) is sleeved on the second mandrel (5) to form hinged connection, and the length of the adjustable support rod (4) is changed through forward and reverse rotation of the internal thread sleeve (4-3).
5. An underground pipe gallery power rack as claimed in claim 1, wherein: the second mandrel (5) is a bolt, and a nut is screwed on the bolt so that the second mandrel (5) can be positioned in any group of positioning holes (2-1) on the cross arm (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110972220.0A CN113783156A (en) | 2021-08-24 | 2021-08-24 | Underground pipe gallery power support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110972220.0A CN113783156A (en) | 2021-08-24 | 2021-08-24 | Underground pipe gallery power support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113783156A true CN113783156A (en) | 2021-12-10 |
Family
ID=78839032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110972220.0A Pending CN113783156A (en) | 2021-08-24 | 2021-08-24 | Underground pipe gallery power support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113783156A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115241816A (en) * | 2022-07-04 | 2022-10-25 | 国网河南省电力公司宜阳县供电公司 | Electric power piping lane and support |
-
2021
- 2021-08-24 CN CN202110972220.0A patent/CN113783156A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115241816A (en) * | 2022-07-04 | 2022-10-25 | 国网河南省电力公司宜阳县供电公司 | Electric power piping lane and support |
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