CN111864670A - Fire-resistant cable bridge - Google Patents
Fire-resistant cable bridge Download PDFInfo
- Publication number
- CN111864670A CN111864670A CN202010859692.0A CN202010859692A CN111864670A CN 111864670 A CN111864670 A CN 111864670A CN 202010859692 A CN202010859692 A CN 202010859692A CN 111864670 A CN111864670 A CN 111864670A
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- CN
- China
- Prior art keywords
- span structure
- crane span
- structure body
- bridge
- bridge body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0437—Channels
-
- 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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
- H02G3/0412—Heat or fire protective means
Abstract
The invention belongs to the technical field of cable bridges, and particularly relates to a fire-resistant cable bridge which comprises a first bridge body and a second bridge body, wherein the lower surfaces of the first bridge body and the second bridge body are both connected with an installation block in a sliding manner, the side wall of the first bridge body is connected with an insertion rod in an inserting manner corresponding to the second bridge body, and a spring is sleeved at the position of the insertion rod corresponding to the inner wall of the first bridge body. According to the invention, the mounting blocks are connected on the lower surfaces of the first bridge body and the second bridge body in a sliding manner, so that the fixing position can be freely selected according to the mounting condition of the bridge when the bridge is fixed on a building, a plurality of mounting blocks can be used for fixing at the position needing to be reinforced and connected, the mounting blocks do not need to be connected with the bridge when the bridge is mounted, and the mounting blocks can be rotationally adjusted while sliding left and right on the lower surfaces of the first bridge body and the second bridge body by rotationally connecting the mounting plates with the sliding blocks through the clamping blocks.
Description
Technical Field
The invention relates to the technical field of cable bridges, in particular to a fire-resistant cable bridge.
Background
The cable is an electric energy or signal transmission device, usually constitute by several or several group's wires, the cable uses the crane span structure to erect supplementaryly usually, the crane span structure can support the cable, be convenient for fix the cable on building isotructure, carry out the protection of certain degree to the cable simultaneously, the cable of being convenient for is orderly categorised, light when managing the cable more, present cable crane span structure exists when using, concatenation during the installation is comparatively complicated, need use the mounting to connect, can not adjust the mounted position according to actual conditions when installing the crane span structure on the building.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a fire-resistant cable bridge, which solves the problems that the splicing is complex in the existing installation process, a fixing piece is required for connection, and the installation position of the bridge cannot be adjusted according to the actual condition when the bridge is installed on a building.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a fire-resistant type cable testing bridge, includes first crane span structure body and second crane span structure body, the equal sliding connection of lower surface of first crane span structure body and second crane span structure body has the installation piece, and the inner wall of first crane span structure body and second crane span structure body all is provided with flame retardant coating and lug, the grafting is connected with the inserted bar on the corresponding second crane span structure body of first crane span structure body lateral wall, the position department cover that the inserted bar corresponds first crane span structure body inner wall is equipped with the spring, and the inserted bar is located the position department fixedly connected with supporting shoe of first crane span structure body inner wall, the inner wall sliding connection of second crane span structure body has the connecting block, fixedly connected with pull rod on the connecting block.
As a preferred technical scheme of the present invention, the inner walls of the bottoms of the first and second bridge bodies are fixedly connected with a middle partition plate, the inner walls of the middle partition plate and the first and second bridge bodies are slidably connected with a limiting block, the limiting block is fixedly connected with a clamping block, and the clamping block is provided with sliding grooves at positions corresponding to the side walls of the first and second bridge bodies.
According to a preferable technical scheme, the mounting block comprises a mounting plate, the middle of the mounting plate is fixedly connected with a clamping block, the clamping block is rotatably connected with a sliding block, the clamping block is in sliding connection with the lower surface of the first bridge frame body through the sliding block, and through holes are formed in two ends of the mounting plate.
As a preferred technical solution of the present invention, the protrusions are uniformly distributed at the bottoms of the first and second bridge bodies, and the protrusions are matched with the limiting blocks, and the length of the protrusions is equal to the length of the first and second bridge bodies.
As a preferred technical solution of the present invention, there are two insertion rods, the insertion rods are arranged in one-to-one correspondence with the springs, the support blocks, the pull rods, and the connection blocks, the insertion rods are symmetrically arranged about a symmetry axis of the first bridge body, and the widths of the first bridge body and the second bridge body are equal to the width of the second bridge body.
As a preferred technical scheme of the present invention, the insertion rod is provided with an insertion hole at a position corresponding to the first bridge body, the first bridge body and the second bridge body are provided with a placement groove at a position corresponding to the connection block, the connection block is provided with a groove, and the groove is matched with the lower portion of the insertion rod.
As a preferred technical solution of the present invention, the sliding blocks are respectively provided with a sliding groove at a position corresponding to the lower surfaces of the first bridge body and the second bridge body, the second bridge body is provided with a through groove at a position corresponding to the pull rod, the upper portions of the first bridge body and the second bridge body are respectively clamped with an upper cover, and the first bridge body and the second bridge body are respectively provided with a clamping groove at a position corresponding to the upper cover.
(III) advantageous effects
Compared with the prior art, the invention provides a fire-resistant cable bridge, which has the following beneficial effects:
1. this cable testing bridge, through the lower surface sliding connection installation piece at first crane span structure body and second crane span structure body, can freely select fixed position according to the installation condition of crane span structure when fixing the crane span structure to the building on, the position of consolidating to connect in needs can use a plurality of installation pieces to fix, and the installation piece need not be connected with the crane span structure when the crane span structure is installed, rotate with the slider through passing through the joint piece with the mounting panel and be connected, make the installation piece can also rotate the regulation when first crane span structure body and second crane span structure body lower surface horizontal slip, can be through the angle of adjusting the installation piece when the installation piece is not convenient for and the wall body is connected, the staff of being convenient for punches the wall body, the problem that can not adjust the mounted position according to actual conditions when having solved current crane span structure and installing the crane span structure on the building.
2. This cable testing bridge, through set up the inserted bar on first crane span structure body and set up the connecting block on the second crane span structure body, and set up spring and supporting shoe at the inserted bar, when first crane span structure body and second crane span structure body splice, directly with the inserted bar pull-up, and in the resettlement groove of seting up on the first crane span structure body with the connecting block plug-in, the effort of the spring resumes the pull rod to original position behind the unclamping inserted bar, restrict the position of connecting block in first crane span structure body, realize the quick concatenation of first crane span structure body and second crane span structure body, the concatenation when having solved the installation is comparatively complicated, need use the mounting to carry out the problem of connecting.
Drawings
FIG. 1 is a schematic view of the present invention with the upper lid open;
FIG. 2 is a schematic structural view of a second bridge body according to the present invention;
FIG. 3 is an overall schematic view of the present invention;
FIG. 4 is an enlarged view of a first bridge of the present invention;
FIG. 5 is an exploded view of the mounting block of FIG. 1 in accordance with the present invention;
fig. 6 is a cross-sectional view of the first bridge body and second bridge body attachment location of the present invention.
In the figure: 1. a first bridge body; 101. a fire barrier layer; 102. a bump; 103. a middle partition plate; 104. a card slot; 105. inserting a rod; 106. a spring; 107. a support block; 2. mounting blocks; 201. a slider; 202. mounting a plate; 203. a clamping block; 204. a through hole; 3. a limiting block; 4. a second bridge body; 401. a pull rod; 402. connecting blocks; 5. and (7) covering.
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.
Examples
Referring to fig. 1-6, the present invention provides the following technical solutions: a fire-resistant cable bridge comprises a first bridge body 1 and a second bridge body 4, wherein the lower surfaces of the first bridge body 1 and the second bridge body 4 are both connected with an installation block 2 in a sliding manner, when the first bridge body 1 and the second bridge body 4 are installed, workers can conveniently fix the first bridge body 1 and the second bridge body 4 to a building, the inner walls of the first bridge body 1 and the second bridge body 4 are both provided with a fireproof layer 101 and a bump 102, the fireproof layer 101 can ensure that an internal cable cannot be damaged by a fire source in the external environment, the side wall of the first bridge body 1 is connected with an inserted link 105 in an inserting manner corresponding to the second bridge body 4 in the inserting manner, the inserted link 105 is used for limiting the position of a connecting block 402 inside the first bridge body 1 and ensuring the connecting effect of the first bridge body 1 and the second bridge body 4, and a spring 106 is sleeved on the position of the inserted link 105 corresponding to the inner wall of the first bridge body 1, the elastic force of the spring 106 can restore the inserting rod 105 to the original position after the inserting rod 105 is loosened, the position of the connecting block 402 in the first bridge body 1 is limited conveniently, the supporting block 107 is fixedly connected to the position, where the inserting rod 105 is located on the inner wall of the first bridge body 1, of the inserting rod 105, the contact area of the inserting rod 105 and the spring 106 is increased, the elastic force of the spring 106 acts on the inserting rod 105 conveniently, the connecting block 402 is connected to the inner wall of the second bridge body 4 in a sliding mode, the connecting block 402 is used for connecting the first bridge body 1 and the second bridge body 4, a pull rod 401 is fixedly connected to the connecting block 402, and a worker can slide the connecting block 402 directly from the outer side of the second bridge body 4 conveniently.
Specifically, the bottom inner wall fixedly connected with median septum 103 of first crane span structure body 1 and second crane span structure body 4, separate the inner wall of first crane span structure body 1 and second crane span structure body 4 for two parts, the staff of being convenient for carries out the overall arrangement to the cable, the setting of the stopper 3 of being convenient for simultaneously, equal sliding connection has stopper 3 between median septum 103 and the inner wall of first crane span structure body 1 and second crane span structure body 4, restrict the position of cable in first crane span structure body 1 and second crane span structure body 4, be convenient for the orderly erections of cable, fixedly connected with fixture block on the stopper 3, the spout has all been seted up in the position department that the fixture block corresponds first crane span structure body 1 and second crane span structure body 4 lateral walls, be convenient for with stopper 3 first crane span structure body 1 and second crane span structure body 4 sliding connection.
Specifically, the mounting block 2 comprises a mounting plate 202, the middle part of the mounting plate 202 is fixedly connected with a clamping block 203, the length of the mounting plate 202 is greater than the width of the first bridge body 1 and the second bridge body 4, the through hole 204 can be ensured to be always exposed when the first bridge body 1 and the second bridge body 4 are mounted, workers can conveniently punch holes on the wall and fix the mounting block 2 by using bolts, a sliding block 201 is rotatably connected on the clamping block 203, the mounting block 2 is conveniently and slidably connected with the first bridge body 1 and the second bridge body 4, the clamping block 203 is slidably connected with the lower surface of the first bridge body 1 through the sliding block 201, the connecting position of the first bridge body 1 or the second bridge body 4 and the wall can be changed by slidably mounting the block 2 when the first bridge body 1 and the second bridge body 4 are mounted, through holes 204 are formed in both ends of the mounting plate 202, the staff of being convenient for presses mounting panel 202 on the wall body, directly punches on the wall body through-hole 204, can directly use fixing bolt to pass through-hole 204 during the connection and fix mounting block 2 on the wall body.
Specifically, lug 102 evenly distributed is in the bottom of first crane span structure body 1 and second crane span structure body 4, and lug 102 and stopper 3 mutually support, prescribe a limit to the position of cable body, avoids contacting each other between the cable, and the length of lug 102 equals with the length of first crane span structure body 1 and second crane span structure body 4 and guarantees the fixed effect of first crane span structure body 1 and the inside cable of second crane span structure body 4, avoids the direct and flame retardant coating 101 contact of cable.
Specifically, the number of the inserting rods 105 is two, the inserting rods 105 are arranged in a one-to-one correspondence mode with the springs 106, the supporting blocks 107, the pull rods 401 and the connecting blocks 402, the inserting rods 105 are symmetrically arranged relative to the symmetry axis of the first bridge body 1, the widths of the first bridge body 1 and the second bridge body 4 are equal to the widths of the second bridge body 4, the front side and the rear side of the first bridge body 1 and the rear side of the second bridge body 4 are correspondingly connected respectively, and the splicing firmness degree of the first bridge body 1 and the second bridge body 4 is improved.
Specifically, the jack has been seted up to position department on the inserted bar 105 corresponds first crane span structure body 1, the upper and lower pulling of inserted bar 105 on first crane span structure body 1 of being convenient for, the mounting groove has all been seted up to position department that corresponds connecting block 402 on first crane span structure body 1 and the second crane span structure body 4, provide sufficient space for the use of connecting block 402, set up flutedly on the connecting block 402, the recess is mutually supported with the lower part of inserted bar 105, the recess is the halfcylinder, inserted bar 105 can contact with connecting block 402 when restricting connecting block 402, stability when improving first crane span structure body 1 and the concatenation of second crane span structure body 4.
Specifically, the sliding grooves are formed in the positions of the sliding blocks 201 corresponding to the lower surfaces of the first and second bridge bodies 1 and 4 to limit the movement tracks of the mounting blocks 2 on the first and second bridge bodies 1 and 4, the through grooves are formed in the positions of the second bridge body 4 corresponding to the pull rods 401 to facilitate the pulling of the connecting blocks 402 directly outside the second bridge body 4 through the pull rods 401, the upper covers 5 are clamped on the upper portions of the first and second bridge bodies 1 and 4 to seal the first and second bridge bodies 1 and 4, so that dust is prevented from entering the first and second bridge bodies 1 and 4 to affect the use of cables, and the positions of the first bridge frame body 1 and the second bridge frame body 4 corresponding to the upper cover 5 are provided with clamping grooves 104, so that the upper cover 5 is conveniently fixed on the first bridge frame body 1 and the second bridge frame body 4 for connection.
The working principle and the using process of the invention are as follows: when the bridge is used, the connecting ends of the first bridge body 1 and the second bridge body 4 are contacted, the inserting rod 105 arranged on the first bridge body 1 is pulled upwards, the spring 106 is pushed by the supporting block 107 to deform, the connecting block 402 is pulled to the position of the first bridge body 1 through the pull rod 401, then the inserting rod 105 is loosened, the inserting rod 105 is restored to the original position under the action of the elastic force of the spring 106 and is clamped in the groove formed in the connecting block 402, the splicing of the first bridge body 1 and the second bridge body 4 is completed, when the first bridge body 1 and the second bridge body 4 are fixed on a wall body, the fixing positions of the first bridge body 1 and the second bridge body 4 are selected according to actual conditions, the mounting block 2 is pulled to slide to a proper position on the lower surface of the first bridge body 1 or the second bridge body 4, the mounting plate 202 on the mounting block 2 is rotated to a proper angle, and (3) punching according to the position of the through hole 204 corresponding to the wall body, and connecting the mounting block 2 with the wall body by using a fixing bolt to finish the mounting of the cable bridge.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a fire-resistant type cable testing bridge, includes first crane span structure body (1) and second crane span structure body (4), its characterized in that: the lower surface of first crane span structure body (1) and second crane span structure body (4) all sliding connection have installation piece (2), and the inner wall of first crane span structure body (1) and second crane span structure body (4) all is provided with flame retardant coating (101) and lug (102), peg graft connection has inserted bar (105) on first crane span structure body (1) lateral wall corresponds second crane span structure body (4), the position department that inserted bar (105) correspond first crane span structure body (1) inner wall overlaps and is equipped with spring (106), and inserted bar (105) are located fixedly connected with supporting shoe (107) of position department of first crane span structure body (1) inner wall, the inner wall sliding connection of second crane span structure body (4) has connecting block (402), fixedly connected with pull rod (401) on connecting block (402).
2. The fire-resistant cable tray of claim 1, wherein: the bottom inner wall fixedly connected with median septum (103) of first crane span structure body (1) and second crane span structure body (4), equal sliding connection has stopper (3) between the inner wall of median septum (103) and first crane span structure body (1) and second crane span structure body (4), fixedly connected with fixture block on stopper (3), the spout has all been seted up to the position department that the fixture block corresponds first crane span structure body (1) and second crane span structure body (4) lateral wall.
3. The fire-resistant cable tray of claim 1, wherein: installation piece (2) are including mounting panel (202), the middle part fixedly connected with joint piece (203) of mounting panel (202), it is connected with slider (201) to rotate on joint piece (203), and joint piece (203) through the lower surface sliding connection of slider (201) with first crane span structure body (1), through-hole (204) have all been seted up at the both ends of mounting panel (202).
4. The fire-resistant cable tray of claim 1, wherein: the projection blocks (102) are uniformly distributed at the bottoms of the first bridge body (1) and the second bridge body (4), the projection blocks (102) are matched with the limiting blocks (3), and the length of the projection blocks (102) is equal to that of the first bridge body (1) and the second bridge body (4).
5. The fire-resistant cable tray of claim 1, wherein: the two inserting rods (105) are arranged, the inserting rods (105) are arranged in a one-to-one correspondence mode with the springs (106), the supporting blocks (107), the pull rods (401) and the connecting blocks (402), the inserting rods (105) are symmetrically arranged relative to a symmetry axis of the first bridge body (1), and the widths of the first bridge body (1) and the second bridge body (4) are equal to the width of the second bridge body (4).
6. The fire-resistant cable tray of claim 5, wherein: the position of the inserted bar (105) corresponding to the first bridge body (1) is provided with an insertion hole, the positions of the first bridge body (1) and the second bridge body (4) corresponding to the connecting block (402) are provided with a placing groove, the connecting block (402) is provided with a groove, and the groove is matched with the lower part of the inserted bar (105).
7. The fire-resistant cable tray of claim 3, wherein: the slider (201) has all seted up the spout corresponding to the position department of first crane span structure body (1) and second crane span structure body (4) lower surface, logical groove has been seted up to the position department that corresponds pull rod (401) on second crane span structure body (4), the equal joint in upper portion of first crane span structure body (1) and second crane span structure body (4) has upper cover (5), and corresponds position department of upper cover (5) on first crane span structure body (1) and second crane span structure body (4) and has all seted up draw-in groove (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010859692.0A CN111864670A (en) | 2020-08-24 | 2020-08-24 | Fire-resistant cable bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010859692.0A CN111864670A (en) | 2020-08-24 | 2020-08-24 | Fire-resistant cable bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111864670A true CN111864670A (en) | 2020-10-30 |
Family
ID=72967488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010859692.0A Withdrawn CN111864670A (en) | 2020-08-24 | 2020-08-24 | Fire-resistant cable bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111864670A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113471905A (en) * | 2021-07-03 | 2021-10-01 | 江苏国美钢网桥架有限公司 | Self-locking grid bridge connecting structure with extensible mechanism and using method |
| CN114928015A (en) * | 2022-06-14 | 2022-08-19 | 国家电网有限公司 | Fixing device for high-voltage transmission line |
-
2020
- 2020-08-24 CN CN202010859692.0A patent/CN111864670A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113471905A (en) * | 2021-07-03 | 2021-10-01 | 江苏国美钢网桥架有限公司 | Self-locking grid bridge connecting structure with extensible mechanism and using method |
| CN114928015A (en) * | 2022-06-14 | 2022-08-19 | 国家电网有限公司 | Fixing device for high-voltage transmission line |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20201030 |