CN110401158B - Shielding type weak current cable bridge - Google Patents

Shielding type weak current cable bridge Download PDF

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Publication number
CN110401158B
CN110401158B CN201910621359.3A CN201910621359A CN110401158B CN 110401158 B CN110401158 B CN 110401158B CN 201910621359 A CN201910621359 A CN 201910621359A CN 110401158 B CN110401158 B CN 110401158B
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China
Prior art keywords
plate
movable
rod
arc
fixed
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CN201910621359.3A
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Chinese (zh)
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CN110401158A (en
Inventor
邓玲丽
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Anhui Xunke Intelligent Technology Co ltd
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Anhui Xunke Intelligent Technology Co ltd
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Priority to CN201910621359.3A priority Critical patent/CN110401158B/en
Publication of CN110401158A publication Critical patent/CN110401158A/en
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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00Installations of electric cables or lines in or on buildings, equivalent structures or vehicles
    • H02G3/02Details
    • H02G3/04Protective tubings or conduits or channels or other supports
    • H02G3/0406Details thereof
    • H02G3/0418Covers or lids; Their fastenings
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00Installations of electric cables or lines in or on buildings, equivalent structures or vehicles
    • H02G3/02Details
    • H02G3/04Protective tubings or conduits or channels or other supports
    • H02G3/0425Plinths
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K9/00Screening of apparatus or components against electric or magnetic fields
    • H05K9/0073Shielding materials
    • H05K9/0098Shielding materials for shielding electrical cables

Abstract

The invention discloses a shielding type weak current cable bridge, which comprises a U-shaped base plate, a cover plate and a supporting frame, wherein the top of the left side of the U-shaped base plate is fixedly connected with a fixed block, the back of the fixed block is rotatably connected with the left side of the bottom of the cover plate through a connecting rod, and the bottom of the inner wall of the U-shaped base plate is fixedly connected with a first sliding rail. This shielded weak current cable testing bridge, the shielding layer that U-shaped base plate and apron set up can prevent that the weak current cable from receiving external magnetic field interference, make its work that can be steady normal, improve the reliability of this cable testing bridge, the movable frame can be cut apart the inside space of U-shaped base plate, the realization is categorised to be placed the cable, make it difficult for the winding, make things convenient for the staff to distinguish to seek, outside pulling baffle makes the gag lever post break away from the arc wall, can remove the position of carriage, thereby reach the purpose of adjustment backup pad height, improve the utilization ratio in space, and the practicality is improved.

Description

Shielding type weak current cable bridge
Technical Field
The invention relates to the technical field of cable bridges, in particular to a shielding type weak current cable bridge.
Background
The cable is made of one or more mutually insulated conductors and an outer insulating protective layer, the electric power or information is transmitted from one conductor to another conductor, or the cable is a cable similar to a rope formed by twisting several or several groups of conductors (at least two in each group), each group of conductors are mutually insulated and are usually twisted around one center, the whole outer surface is coated with a highly insulating coating, the cable has the characteristics of internal electrification and external insulation, a cable bridge is frequently used for cable erection, the cable bridge is divided into structures such as a groove type, a tray type, a ladder type, a grid type and the like, and comprises a bracket, a supporting arm, an installation accessory and the like, the inner bridge of a building can be independently erected and can also be attached to various buildings and pipe rack supports, the cable has the characteristics of simple structure, attractive appearance, flexible configuration, convenient maintenance and the like, all parts need to be galvanized and installed on the bridge outside the building, the load of the cable bridge is divided into a load, a dynamic load and an additional load, wherein the static load refers to the type and the number of cables laid in the cable bridge and the external diameter weight/unit length of each cable, the static load is counted according to different routes laid by the cables in a tabulation mode, and the dynamic load refers to the weight of construction and maintenance personnel in the installation and maintenance process of the cable bridge.
Cable bridge often need erect the cable of different effects, when strong current cable need erect simultaneously with the weak current cable, the weak current cable often can receive electromagnetic interference, thereby influence its normal work, consequently, need dedicated weak current cable testing bridge, but current cable testing bridge generally sets up weak current cable testing bridge and forceful electric power cable testing bridge in one department, weak current cable testing bridge does not have shielding effect or shielding effect relatively poor, the weak current cable can receive magnetic field interference and unable normal work, the practicality has been reduced, and current cable testing bridge can't classify the cable, easily twine between the cable, be difficult for distinguishing and seek, be not convenient for maintain.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a shielding type weak current cable bridge, which solves the problems that the weak current cable is easily interfered by a magnetic field and cannot normally work, the practicability is reduced, the cables are easily wound, the cables are not easy to distinguish and search, and the maintenance is inconvenient.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a shielded weak current cable testing bridge, includes U-shaped base plate, apron and carriage, the left top fixedly connected with fixed block of U-shaped base plate, the back of fixed block is passed through the connecting rod with the left side of apron bottom and is rotated and be connected, the first slide rail of bottom fixedly connected with of U-shaped base plate inner wall to the equal sliding connection in both sides at first slide rail top has the movable block, the first spring of the equal fixedly connected with in both sides of U-shaped base plate inner wall bottom to the equal fixedly connected with movable frame in top of two first springs, the equal fixedly connected with stopper in both sides of movable frame bottom, two the back of stopper all rotates through the connecting rod and is connected with the bracing piece, two the bottom of bracing piece is passed through the connecting rod with the back of two movable blocks respectively and is rotated and is connected, the inside of U-shaped base.
Preferably, the bottom fixedly connected with guard plate of apron, the bottom of guard plate runs through the movable frame and extends to the inside of movable frame, the mounting hole has been seted up on the right side of U-shaped base plate.
Preferably, the two sides of the bottom of the U-shaped substrate are fixedly connected with fixing plates, one side of each fixing plate is provided with a rectangular hole, and the front and the back of the inner wall of each rectangular hole are provided with arc-shaped grooves.
Preferably, the fixed frame of the equal fixedly connected with in both sides of braced frame bottom, the top of fixed frame inner wall and the equal fixedly connected with second slide rail in bottom, two sliding connection has the fly leaf between the relative one side of second slide rail.
Preferably, the left side of the movable plate is fixedly connected with a movable rod matched with the rectangular hole, and one end, far away from the movable plate, of the movable rod penetrates through the fixed frame and the arc-shaped groove and extends to the inside of the arc-shaped groove.
Preferably, the left side of fly leaf and the fixed surface that is located the movable rod are connected with the second spring, the one end that the fly leaf was kept away from to the second spring and the left side fixed connection of fixed frame inner wall.
Preferably, the movable rod is located the inside one end fixedly connected with of arc wall and the gag lever post of arc wall looks adaptation, the one end of gag lever post runs through arc wall and fixed plate and extends to the left side of fixed plate, the one end of gag lever post just is located the left one end fixedly connected with baffle of fixed plate.
Preferably, the right side fixedly connected with mounting panel of apron, the front and the equal fixedly connected with limiting plate in the back on fixed plate right side, the front threaded connection of limiting plate has the screw rod, the one end of screw rod runs through the mounting panel and extends to the back of mounting panel.
(III) advantageous effects
The invention provides a shielding type weak current cable bridge. Compared with the prior art, the method has the following beneficial effects:
(1) the shielding type weak current cable bridge frame is characterized in that the top ends of two first springs are fixedly connected with movable frames, the two sides of the bottom of each movable frame are fixedly connected with limit blocks, the back surfaces of the two limit blocks are rotatably connected with support rods through connecting rods, the bottom ends of the two support rods are respectively rotatably connected with the back surfaces of the two movable blocks through connecting rods, shielding layers are respectively arranged inside a U-shaped substrate and a cover plate, the cable bridge frame separates a weak current cable from a strong current cable, the U-shaped substrate and the shielding layers arranged inside the cover plate can well shield external signals, the weak current cable is prevented from being interfered by an external magnetic field, the cable bridge frame can stably and normally work, the reliability of the cable bridge frame is improved, the movable frames arranged inside the U-shaped substrate can separate spaces, different cables are fixed in different movable frames, and the cables are placed in a classified manner, the winding of the cable is not easy, the cable is convenient for workers to distinguish and search, and the cable is convenient to maintain.
(2) This shielded weak current cable testing bridge, right side fixedly connected with mounting panel through the apron, the front on fixed plate right side and the equal fixedly connected with limiting plate in the back, the front threaded connection of limiting plate has the screw rod, the one end of screw rod runs through the mounting panel and extends to the back of mounting panel, rotate between apron and the U-shaped base plate and be connected, and fixed through the screw rod, make things convenient for the staff to open apron inspection cable, and the apron can prevent that the dust from getting into in the U-shaped base plate, has dustproof function.
(3) This shielding type light current cable testing bridge, the first slide rail of bottom fixedly connected with through U-shaped base plate inner wall, the equal sliding connection in both sides at first slide rail top has the movable block, the first spring of the equal fixedly connected with in both sides of U-shaped base plate inner wall bottom, the bottom fixedly connected with guard plate of apron, the equal fixedly connected with stopper in both sides of activity frame bottom, the bottom of two bracing pieces passes through the connecting rod rotation with the back of two movable blocks respectively and is connected, the buffer that activity frame bottom set up and the guard plate of apron bottom can play the guard action to the cable, when preventing to close the apron, the cable is pressed from both sides and is damaged, and can strengthen the dirt resistance of this cable testing bridge, the life of extension cable.
(4) This shielding type light current cable testing bridge, the rectangular hole has been seted up through one side of fixed plate, the arc wall has all been seted up with the back in the front of rectangular hole inner wall, sliding connection has the fly leaf between the relative one side of two second slide rails, the left side fixedly connected with of fly leaf and the movable rod of rectangular hole looks adaptation, the left side of fly leaf and the fixed surface that is located the movable rod are connected with the second spring, the movable rod is located the gag lever post of the inside one end fixedly connected with of arc wall and arc wall looks adaptation, the one end of gag lever post just is located the left one end fixedly connected with baffle of fixed plate, outside pulling baffle makes the gag lever post break away from the arc wall, can remove the position of carriage, thereby reach the purpose of adjustment backup pad height, improve the utilization ratio in space.
Drawings
FIG. 1 is a perspective view of the structure of the present invention;
FIG. 2 is an enlarged view of a portion of the structure of FIG. 1;
FIG. 3 is a cross-sectional view of the structure of the present invention;
FIG. 4 is an enlarged view of a portion of the invention shown at B in FIG. 3;
FIG. 5 is an enlarged view of a portion of the invention at C in FIG. 3;
fig. 6 is a right side view of the inventive structure.
In the figure, a U-shaped base plate 1, a cover plate 2, a support frame 3, a fixed block 4, a first slide rail 5, a movable block 6, a first spring 7, a movable frame 8, a limited block 9, a support rod 10, a shielding layer 11, a protective plate 12, a mounting hole 13, a fixed plate 14, a rectangular hole 15, an arc-shaped groove 16, a fixed frame 17, a second slide rail 18, a movable plate 19, a movable rod 20, a second spring 21, a limiting rod 22, a baffle 23, a mounting plate 24, a limiting plate 25 and a screw rod 26 are arranged on the base plate.
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 only a part of the embodiments of the present invention, and not all of the 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.
Referring to fig. 1-6, an embodiment of the present invention provides a technical solution: a shielding type weak current cable bridge comprises a U-shaped substrate 1, a cover plate 2 and a supporting frame 3, wherein a movable frame 8 in the U-shaped substrate is used for erecting a weak current cable, the supporting frame 3 is used for erecting a strong current cable, the strong current cable and the weak current cable are separately erected, mutual interference can be prevented, reliability is improved, a mounting plate 24 is fixedly connected to the right side of the cover plate 2, a limiting plate 25 is fixedly connected to the front side and the back side of the right side of a fixing plate 14, a screw 26 is connected to the front side of the limiting plate 25 in a threaded manner, one end of the screw 26 penetrates through the mounting plate 24 and extends to the back side of the mounting plate 24, the screw 26 penetrates through the mounting plate 24 and the other limiting plate 25 and extends to the back side of the limiting plate 25, fixing frames 17 are fixedly connected to two sides of the bottom of the supporting frame 3, second slide rails 18 are fixedly connected to the top and, a movable plate 19 is slidably connected between the opposite sides of the two second slide rails 18, a second spring 21 is fixedly connected to the left side of the movable plate 19 and the surface of the movable rod 20, one end of the second spring 21 away from the movable plate 19 is fixedly connected to the left side of the inner wall of the fixed frame 17, a movable rod 20 adapted to the rectangular hole 15 is fixedly connected to the left side of the movable plate 19, a limit rod 22 adapted to the arc-shaped groove 16 is fixedly connected to one end of the movable rod 20 located inside the arc-shaped groove 16, one end of the limit rod 22 penetrates through the arc-shaped groove 16 and the fixed plate 14 and extends to the left side of the fixed plate 14, a baffle 23 is fixedly connected to one end of the limit rod 22 located on the left side of the fixed plate 14, the baffle 23 is manually pulled outwards to drive the limit rod 22 to be disengaged from the arc-shaped groove 16, then the position of the support frame 3 can be moved, one end of the movable rod 20 away, the two sides of the bottom of the U-shaped base plate 1 are fixedly connected with a fixed plate 14, one side of the fixed plate 14 is provided with a rectangular hole 15, the front and the back of the inner wall of the rectangular hole 15 are provided with arc-shaped grooves 16, the bottom of the cover plate 2 is fixedly connected with a protection plate 12, the bottom of the protection plate 12 penetrates through the movable frame 8 and extends into the movable frame 8, the right side of the U-shaped base plate 1 is provided with a mounting hole 13, bolts can be screwed in the mounting hole 13, all cable bridges are fixedly combined together through the bolts, the top of the left side of the U-shaped base plate 1 is fixedly connected with a fixed block 4, the back of the fixed block 4 is rotatably connected with the left side of the bottom of the cover plate 2 through a connecting rod, the bottom of the inner wall of the U-shaped base plate 1 is fixedly connected with a first slide rail 5, the two sides, when closing apron 2, movable frame 8 is pushed down, make first spring 7 compressed, can play the cushioning effect, can prevent that the cable from compressing and damaging, improve the practicality, and the equal fixedly connected with movable frame 8 in top of two first springs 7, the equal fixedly connected with stopper 9 in both sides of movable frame 8 bottom, the back of two stopper 9 all is connected with bracing piece 10 through the connecting rod rotation, the bottom of two bracing pieces 10 passes through the connecting rod rotation with the back of two movable blocks 6 respectively and is connected, the inside of U-shaped base plate 1 and apron 2 all is provided with shielding layer 11, all be provided with shielding layer 11 in U-shaped base plate 1 and the apron 2, keep apart the light current cable in shielding layer 11 completely, can prevent effectively that the light current cable from receiving external magnetic field interference, guarantee that the cable can normally work.
When in use, the cable bridge is fixed at a proper position through the support frame, the weak current cable is erected in the movable frame 8, then the cover plate 2 is covered, and the cover plate 2 is fixed through the screw 26, in the process of covering the cover plate 2, the cover plate 2 can push the movable frame 8 downwards, so that the first spring 7 is compressed, the two movable blocks 6 move in opposite directions at the top of the first slide rail 5, so that the support rod 10 rotates, meanwhile, the protection plate 12 can be clamped into the movable frame 8, the strong current cable is erected in the support frame 3, the baffle plate 23 is pulled, so that the limit rod 22 moves, when the right end of the limit rod 22 is far away from the fixed plate 14, the movable rod 20 is clamped into the corresponding rectangular hole 15, the support frame 3 is pushed upwards to move to a proper height, in the process of pulling the baffle plate 23, the limit rod 22 drives the movable rod 20 to move, so that the movable plate 19 moves along the second guide rail 18, the second spring 21 is compressed, when the support frame 3 reaches a proper height, the baffle 23 is loosened, the movable plate 19 moves in the opposite direction along the second slide rail 18 under the action of the resilience force of the second spring 21, the movable rod 20 and the limiting rod 22 are driven to move, and the limiting plate is clamped in the arc-shaped groove 16, so that the height of the support frame 3 is fixed, and the cable erection is completed.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (2)

1. The utility model provides a weak current cable testing bridge of shielded type, includes U-shaped base plate (1), apron (2) and carriage (3), the left top fixedly connected with fixed block (4) of U-shaped base plate (1), the back of fixed block (4) is passed through the connecting rod with the left side of apron (2) bottom and is rotated and be connected its characterized in that: the bottom of the inner wall of the U-shaped substrate (1) is fixedly connected with a first slide rail (5), two sides of the top of the first slide rail (5) are respectively connected with a movable block (6) in a sliding manner, two sides of the bottom of the inner wall of the U-shaped substrate (1) are respectively fixedly connected with a first spring (7), the top ends of the two first springs (7) are respectively fixedly connected with a movable frame (8), two sides of the bottom of the movable frame (8) are respectively fixedly connected with a limiting block (9), the back faces of the two limiting blocks (9) are respectively connected with a support rod (10) in a rotating manner through a connecting rod, the bottom ends of the two support rods (10) are respectively connected with the back faces of the two movable blocks (6) in a rotating manner through connecting rods, and shielding layers (11) are respectively arranged inside;
the bottom of the cover plate (2) is fixedly connected with a protection plate (12), the bottom of the protection plate (12) penetrates through the movable frame (8) and extends into the movable frame (8), and a mounting hole (13) is formed in the right side of the U-shaped base plate (1); the two sides of the bottom of the U-shaped substrate (1) are fixedly connected with fixing plates (14), one side of each fixing plate (14) is provided with a rectangular hole (15), and the front and the back of the inner wall of each rectangular hole (15) are provided with arc-shaped grooves (16); both sides of the bottom of the supporting frame (3) are fixedly connected with fixed frames (17), the top and the bottom of the inner wall of each fixed frame (17) are fixedly connected with second sliding rails (18), and a movable plate (19) is connected between one sides of the two second sliding rails (18) in a sliding manner;
the left side of the movable plate (19) is fixedly connected with a movable rod (20) matched with the rectangular hole (15), and one end, far away from the movable plate (19), of the movable rod (20) penetrates through the fixed frame (17) and the arc-shaped groove (16) and extends into the arc-shaped groove (16); a second spring (21) is fixedly connected to the surface of the movable rod (20) on the left side of the movable plate (19), and one end, far away from the movable plate (19), of the second spring (21) is fixedly connected with the left side of the inner wall of the fixed frame (17); the utility model discloses a fixing device for fixing the arc wall, including movable rod (20), gag lever post (22) that movable rod (20) are located the inside one end fixedly connected with of arc wall (16) and arc wall (16) looks adaptation, the one end of gag lever post (22) runs through arc wall (16) and fixed plate (14) and extends to the left side of fixed plate (14), the one end of gag lever post (22) just is located left one end fixedly connected with baffle (23) of fixed plate (14).
2. The shielded weak current cable tray of claim 1, wherein: the right side fixedly connected with mounting panel (24) of apron (2), the front and the equal fixedly connected with limiting plate (25) in the back on fixed plate (14) right side, the front threaded connection of limiting plate (25) has screw rod (26), the one end of screw rod (26) runs through mounting panel (24) and extends to the back of mounting panel (24).
CN201910621359.3A 2019-07-10 2019-07-10 Shielding type weak current cable bridge Active CN110401158B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910621359.3A CN110401158B (en) 2019-07-10 2019-07-10 Shielding type weak current cable bridge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910621359.3A CN110401158B (en) 2019-07-10 2019-07-10 Shielding type weak current cable bridge

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CN110401158A CN110401158A (en) 2019-11-01
CN110401158B true CN110401158B (en) 2021-01-22

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111049077B (en) * 2020-01-14 2021-09-14 扬州亚光电缆有限公司 Circuit bridge with self-locking opening for wire arrangement

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2381549A1 (en) * 2010-04-25 2011-10-26 Zurecon Ag Cable guide device and cable chamfer
CN105914671A (en) * 2016-06-02 2016-08-31 江苏大浪电气制造有限公司 Cable bridge convenient to maintain
CN206758978U (en) * 2017-04-12 2017-12-15 佛山深中能新材料有限公司 A kind of double-deck cable tray of good heat dissipation effect
CN208015278U (en) * 2018-03-12 2018-10-26 徐庆丰 A kind of para-seismic support for cable
CN209016617U (en) * 2018-12-12 2019-06-21 陈和平 Cable antidetonation gantry

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