CN114744565B - Connection structure of cable bridge - Google Patents
Connection structure of cable bridge Download PDFInfo
- Publication number
- CN114744565B CN114744565B CN202210318000.0A CN202210318000A CN114744565B CN 114744565 B CN114744565 B CN 114744565B CN 202210318000 A CN202210318000 A CN 202210318000A CN 114744565 B CN114744565 B CN 114744565B
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- groove
- bridge
- gear
- sealing portion
- air bag
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- 238000007789 sealing Methods 0.000 claims description 76
- 238000009434 installation Methods 0.000 abstract description 15
- 238000010276 construction Methods 0.000 abstract description 5
- 238000003466 welding Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000004891 communication Methods 0.000 description 9
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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
- H02G3/06—Joints for connecting lengths of protective tubing or channels, to each other or to casings, e.g. to distribution boxes; Ensuring electrical continuity in the joint
- H02G3/0608—Joints for connecting non cylindrical conduits, e.g. channels
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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
- H02G3/0406—Details thereof
- H02G3/0418—Covers or lids; Their fastenings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Air Bags (AREA)
Abstract
The application relates to a connecting structure of a cable bridge, which comprises a shell for connection, wherein a connecting groove is horizontally formed in the shell relative to the position of the bridge, an air bag is fixedly connected in the connecting groove, the bottom end of the air bag is opposite to the connecting groove, a first sliding groove is horizontally formed in the shell relative to the top end of the air bag, a first rack is horizontally connected in a sliding mode in the first sliding groove, one end, deviating from the first air bag, of the first rack is connected with a first gear in a meshed mode, the axis of the first gear is vertically arranged, a first jacking structure is coaxially connected with the first gear in a threaded mode, the bottom end of the first jacking structure can extend into the connecting groove, a first locking hole is formed in the upper surface of the bridge, and when the bridge completely extends into the connecting groove, the bottom end of the first jacking structure extends into the first locking hole. The application has the effects of reducing the installation time caused by welding on a construction site, along with complicated installation and dangerous installation.
Description
Technical Field
The application relates to the field of cable installation equipment, in particular to a connecting structure of a cable bridge.
Background
The cable bridge frame is divided into a groove type structure, a tray type structure, a ladder frame type structure, a grid type structure and the like, and consists of a bracket, a bracket arm, an installation accessory and the like. The bridge frame in the building can be independently erected and can be laid on various building (construction) structures and pipe gallery brackets, and has the characteristics of simple structure, attractive appearance, flexible configuration, convenient maintenance and the like.
In the use, install the cable testing bridge fixed on wall or ground, pass the cable from the inside of cable testing bridge to fix the inside at the cable testing bridge with the cable, and guide and collect the cable through the cable testing bridge.
In view of the above related art, the inventor considers that in order to facilitate transportation, the cable bridge needs to be welded according to the placement position and the overall length of the cable at the construction position, and a plurality of cable bridges are welded and fixed as a whole, but the construction site environment is complex, the welding is time-consuming and labor-consuming, and the danger is easy to cause.
Disclosure of Invention
In order to reduce the conditions of long installation time, complicated installation and dangerous installation caused by welding on a construction site, the application provides a connecting structure of a cable bridge frame.
The application provides a connecting structure of a cable bridge, which adopts the following technical scheme:
the utility model provides a connection structure of cable testing bridge, includes the shell that is used for connecting, the spread groove has been seted up for the position level of testing bridge to the shell, the inside fixedly connected with gasbag of spread groove, the bottom of gasbag with the spread groove is relative, the shell for first spout has been seted up to the top level of gasbag, the inside horizontal sliding connection of first spout has first rack, first rack deviates from the one end meshing of gasbag is connected with first gear, the axis of first gear is vertical to be set up, coaxial threaded connection has first tight structure in top of first gear, the bottom of first tight structure in top can stretch into the inside of spread groove, the first locking hole has been seted up to the upper surface of testing bridge, when the testing bridge stretches into completely the inside of spread groove, the bottom of first tight structure stretches into the inside of first locking hole.
Through adopting above-mentioned technical scheme, operating personnel stretches into the inside of shell through the crane span structure from the position of spread groove, compress the gasbag through the crane span structure that stretches into, will with the inside gas pressure of gasbag of spread groove relative position department to the inside of gasbag relative with first spout, and then through the gasbag with first spout relative position department with first rack orientation one side that deviates from the gasbag removes, and then first rack drives first gear and rotates, first gear drives first tight structure and reciprocates, stretch into the inside of the first locking hole that is located the inside crane span structure upper surface of shell with the bottom of first tight structure of top, thereby fix the crane span structure in the inside of shell, and then connect the crane span structure at shell both ends, reduce the installation time length that welds the cause at the job site, the installation is comparatively loaded down with trivial details and the dangerous circumstances of installation.
Optionally, the second spout has been seted up to the vertical lateral wall level of shell, the gasbag stretches into the inside of second spout, the inside sliding connection of second spout has the second rack, the second rack deviates from one side meshing of gasbag is connected with the second gear, coaxial threaded connection has the second tight structure in top on the second gear, the bottom of second tight structure in top can stretch into the inside of spread groove, the second locking hole has been seted up to the lateral wall of crane span structure, when the crane span structure stretches into completely the inside of spread groove, the bottom of second tight structure in top stretches into the inside of second locking hole.
Through adopting above-mentioned technical scheme, through stretching into the inside crane span structure compression gasbag of shell, be located the inside gas of gasbag relative with the spread groove and remove the gasbag position department relative with the second spout, and then the gasbag promotes the second rack and moves towards one side that deviates from the gasbag, the second rack drives the second gear and rotates, the second gear drives the bottom of the tight structure of second top and stretches into the inside that is located the second locking hole on the inside crane span structure of shell, thereby can reduce the inside of crane span structure at the shell through the inside rocking that produces of second tight structure, and reduce the condition that the crane span structure breaks away from the inside of shell.
Optionally, the first tight structure of top is including with first threaded rod of first gear threaded connection, the bottom of first threaded rod is vertical to be provided with first elastic component, the bottom fixedly connected with first locking lever of first elastic component.
Through adopting above-mentioned technical scheme, drive first threaded rod downwardly moving through first gear, and then first threaded rod compression first elastic component, and when first locking lever and first locking hole are relative, first elastic component promotes first locking lever and stretches into the inside of first locking hole, when can reduce along with the crane span structure stretches into the inside of shell through the first elastic component that sets up, first locking lever does not produce the condition that crane span structure and shell compress tightly with first locking hole relatively to be convenient for stretch into the inside of first locking hole with first locking lever.
Optionally, when the bridge stretches into completely the inside of spread groove, the gasbag is located the part of spread groove is compressed, the top drive of gasbag first rack drives first gear rotation, first gear drives first threaded rod moves down, when first locking lever stretches into the inside of first locking hole, first elastic component is compressed state.
Through adopting above-mentioned technical scheme, when first locking lever is located the inside of first locking hole completely, first elastic component still is compressed state to press first locking lever in the inside of first locking hole through first elastic component, reduce the condition that first locking lever slipped out from the inside of first locking hole.
Optionally, a guard board is vertically arranged on one side of the air bag, which is close to the opening of the connecting groove, and the guard board is located in the connecting groove and is in sliding connection with the connecting groove.
Through adopting above-mentioned technical scheme, when in-situ practical use, the tip of crane span structure has the burr that does not polish completely after cutting processing, when these burrs and gasbag butt, easily prick the gasbag to can reduce the burr and the condition of gasbag butt of the tip of crane span structure through the backplate that sets up, improved the life of gasbag.
Optionally, the gasbag including with the relative first portion of inflating of spread groove and with the relative second portion of inflating of first spout, the inside of gasbag is located first portion of inflating with the juncture of second portion of inflating has seted up first seal groove, the inside hinge of first seal groove is provided with first closing plate, works as when first closing plate level sets up, will through first closing plate first seal groove shields completely.
Through adopting above-mentioned technical scheme, stretch into the inside of shell from the position of spread groove when the crane span structure to compress first inflatable part, be located the inside gas of first inflatable part and prop up first closing plate open, will be located the inside gas pressure of first inflatable part to the inside of second inflatable part, thereby expand the second inflatable part, and when being located the inside gas pressure of second inflatable part in the inside of first seal groove of first sealing plate, thereby reduce the inside gas of second inflatable part and enter into in the first inflatable part.
Optionally, a first shrinkage part is arranged at the position of the second inflation part relative to the first rack, and the vertical sectional area of the first shrinkage part is smaller than that of the second inflation part.
Through adopting above-mentioned technical scheme, through the first constriction part that vertical cross-section is less than the second portion of aerifing, can fill limited air into the inside of second constriction part for the distance that promotes first rack through the second constriction part is prolonged, is convenient for lock the crane span structure, reduces the volume of gasbag.
Optionally, the splice groove has been seted up to the top level of shell, just the vertical lateral wall level fixedly connected with splice piece of shell, works as the splice piece with the splice groove is relative, the splice piece can stretch into the inside and relative sliding connection of splice groove.
Through adopting above-mentioned technical scheme, through relative two shells, stretch into the inside of splice groove with the splice to splice two shells relatively fixedly, be convenient for splice a plurality of bridges, be convenient for adjust according to different actual conditions.
Optionally, two opposite testing frames stretch into relatively behind the inside of spread groove, be located between two testing frames and be provided with sealed the pad, sealed pad is including the first sealing portion that is located the testing frame lateral wall and the second sealing portion that is located the testing frame inside wall, first sealing portion with second sealing portion parallel arrangement, first sealing portion with be provided with the third sealing portion perpendicularly between the second sealing portion, the one end of third sealing portion with first sealing portion fixed connection, just the other end of third sealing portion with second sealing portion fixed connection.
Through adopting above-mentioned technical scheme, will be located the opening of the hookup location between two testing bridge through the sealed pad that sets up and seal to reduce external rainwater and enter into the inside of testing bridge, improve the safety in utilization of the cable of testing bridge inside.
Optionally, the width of the first sealing portion is greater than the second sealing portion.
By adopting the technical scheme, the width of the second sealing part is smaller than the width of the inside of the first sealing part, so that operators can conveniently extend the second sealing part into the gap position between the two opposite bridges.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the operating personnel stretches into the inside of shell through the crane span structure from the position of spread groove, compress the gasbag through the crane span structure that stretches into, will with the inside gas pressure of gasbag of spread groove relative position department to the inside of gasbag relative with first spout, and then through the gasbag with first spout relative position department with first rack orientation deviate from one side removal of gasbag, and then first rack drives first gear and rotate, first gear drives first tight structure and reciprocates, stretch into the inside of the first locking hole that is located the inside crane span structure upper surface of shell with the bottom of first tight structure of top, thereby fix the inside at the shell with the crane span structure, and then connect the crane span structure at shell both ends, reduce the installation time length that welds the condition that causes at the job site, the installation is comparatively loaded down with trivial details and installation danger.
2. The first threaded rod is driven to move downwards through the first gear, the first threaded rod compresses the first elastic element, and when the first locking rod is opposite to the first locking hole, the first elastic element pushes the first locking rod to extend into the first locking hole, the situation that the bridge and the shell are pressed is generated when the first locking rod is not opposite to the first locking hole as the bridge extends into the shell can be reduced through the arranged first elastic element, and therefore the first locking rod is convenient to extend into the first locking hole.
3. When the bridge stretches into the shell from the position of the connecting groove, the first inflatable part is compressed, the first sealing plate is pushed open by the gas in the first inflatable part, the gas in the first inflatable part is pressed into the second inflatable part, the second inflatable part is unfolded, and when the gas in the second inflatable part presses the first sealing plate in the first sealing groove, the gas in the second inflatable part is reduced, and the gas in the first inflatable part enters the first inflatable part.
Drawings
FIG. 1 is a schematic view showing the whole structure of a connection structure of a cable bridge in an embodiment of the present application after installation;
FIG. 2 is a schematic view of the overall structure of a connection structure of a cable bridge according to an embodiment of the application;
FIG. 3 is a cross-sectional view of a connection structure of a cable tray according to an embodiment of the present application;
FIG. 4 is an enlarged view of portion A of FIG. 3;
FIG. 5 is a schematic view of a first locking structure of a connection structure of a cable bridge according to an embodiment of the present application;
FIG. 6 is a schematic view showing the overall structure of an airbag of a connection structure of a cable bridge according to an embodiment of the present application;
FIG. 7 is a cross-sectional view of a second inflatable portion of an airbag of a connection structure of a cable bridge in an embodiment of the present application;
FIG. 8 is a cross-sectional view of the second locking bar of the second locking structure of the connection structure of the cable tray according to the embodiment of the present application, without being extended;
FIG. 9 is a cross-sectional view of the second locking bar of the second locking structure of the connection structure of the cable tray according to the embodiment of the present application;
FIG. 10 is a cross-sectional view of a third inflatable portion of an airbag of a connection structure of a cable bridge in an embodiment of the present application;
fig. 11 is a cross-sectional view of a gasket of a connection structure of a cable tray in an embodiment of the application.
Reference numerals illustrate: 1. a housing; 11. a connecting groove; 12. an air bag; 121. a first inflation portion; 122. a second inflation portion; 1221. a first pinch portion; 123. a third inflation portion; 1231. a second pinch portion; 124. a first seal groove; 1241. a first sealing plate; 125. a second seal groove; 1251. a second sealing plate; 13. a first chute; 131. a first sliding groove; 132. a first rotating groove; 133. a first communication hole; 134. a first clamping table; 14. a second chute; 141. a second sliding groove; 142. a second rotating groove; 143. a second communication hole; 144. a second clamping table; 15. a splice groove; 16. splicing blocks; 17. a guard board; 2. a first locking structure; 21. a first rack; 22. a first gear; 23. a first threaded rod; 24. a first spring; 25. a first locking lever; 251. a first cross bar; 252. a first vertical rod; 3. a second locking structure; 31. a second rack; 32. a second gear; 33. a second threaded rod; 34. a second spring; 35. a second locking lever; 351. a second cross bar; 352. a second vertical rod; 4. a bridge; 41. a first locking hole; 42. a second locking hole; 5. a sealing gasket; 51. a first sealing part; 52. a second sealing part; 53. and a third sealing part.
Detailed Description
The application is described in further detail below with reference to fig. 1-11.
The embodiment of the application discloses a connecting structure of a cable bridge. Referring to fig. 1 and 2, a connection structure of a cable bridge includes a housing 1, the housing 1 is respectively located at four corners of a bridge 4, two opposite side walls of the housing 1 are horizontally provided with connection slots 11, and four corners of the bridge 4 can respectively extend into the housing 1 from the connection slots 11.
Referring to fig. 2 and 3, the first locking structure 2 is provided at the upper portion of the housing 1, and the second locking structure 3 is provided at the side portion of the housing 1, so that four corners of the bridge 4 can be fixed inside the housing 1 by the first locking structure 2 and the second locking structure 3.
The connecting grooves 11 are arranged along the length direction of the connecting line between the two opposite connecting grooves 11, and a distance is reserved between the bottoms of the two connecting grooves 11. The connecting groove 11 is an L-shaped groove body, an air bag 12 is vertically arranged at the bottom of the connecting groove 11, and one end of the air bag 12 close to the bottom of the connecting groove 11 is fixedly connected with the shell 1. The inside of the connecting groove 11 is connected with a guard plate 17 in a sliding manner, the guard plate 17 is positioned on one side of the air bag 12 away from the bottom of the connecting groove 11, and the guard plate 17 is of an L-shaped structure.
Referring to fig. 4 and 5, the first locking structure 2 includes a first rack 21 horizontally disposed, a first chute 13 is horizontally disposed in a top wall of the housing 1, the first rack 21 is located in the first chute 13, and the first rack 21 is slidably connected with the housing 1.
Referring to fig. 6 and 7, the airbag 12 includes a first inflation portion 121 located inside the connecting groove 11 and a second inflation portion 122 disposed opposite to the first chute 13, and the first inflation portion 121 communicates with the second inflation portion 122. The first sealing groove 124 is horizontally arranged at the position where the first inflating part 121 and the second inflating part 122 are relatively connected, the top end of the first sealing groove 124 is relatively communicated with the second inflating part 122, the first sealing plate 1241 is horizontally arranged inside the first sealing groove 124, and one end of the first sealing plate 1241 is hinged to the air bag 12.
When the gas in the first air charging portion 121 enters the second air charging portion 122 from the position of the first sealing groove 124, the first sealing plate 1241 is pushed upwards, and when the gas in the first air charging portion 121 is not present, the second air charging portion 122 is filled with the gas, the pressure in the second air charging portion 122 pushes the first sealing plate 1241 to completely shield the first sealing groove 124, and backflow of the gas in the second air charging portion 122 into the first air charging portion 121 is reduced.
The second inflation portion 122 is provided with a first necking portion 1221 at a position corresponding to the first rack 21, a vertical section of the first necking portion 1221 is smaller than a vertical section of the second inflation portion 122, the first necking portion 1221 is of a telescopic structure, and when the first necking portion 1221 is inflated, the first necking portion 1221 can push the first rack 21 to move towards a side away from the second inflation portion 122.
Referring to fig. 4 and 5, the first sliding chute 13 includes a first sliding groove 131 opposite to the first rack 21 and a first rotating groove 132 at an end of the first rack 21 facing away from the air bag 12, the first rack 21 is horizontally provided with a first gear 22 at an end facing away from the air bag 12, the first gear 22 is located inside the first rotating groove 132, and the first gear 22 is rotationally connected with the housing 1, and the first gear 22 is engaged with the first rack 21.
The first rack 21 is coaxially and threadedly connected with a first threaded rod 23, the first threaded rod 23 is vertically arranged, a first spring 24 is vertically arranged at the bottom end of the first threaded rod 23, and a first locking rod 25 is vertically arranged at the bottom end of the first spring 24. The top end of the first spring 24 is fixedly connected with the first threaded rod 23, and the bottom end of the first spring 24 is fixedly connected with the first locking rod 25.
The bottom end of the first rotating groove 132 is relatively communicated with the connecting groove 11 through the first communicating hole 133, and the diameter of the first communicating hole 133 is smaller than that of the first rotating groove 132, so that a first clamping table 134 is formed between the first communicating hole 133 and the first rotating groove 132.
The first locking rod 25 is of a T-shaped structure, and the first locking rod 25 comprises a first horizontal rod 251 horizontally arranged and a first vertical rod 252 vertically arranged, the first horizontal rod 251 and the first vertical rod 252 are of an integral structure, and the first vertical rod 252 extends into the connecting groove 11 from the position of the first communication hole 133. The upper surface of the bridge 4 is vertically provided with a first locking hole 41 at a position corresponding to the first vertical rod 252.
After the bridge 4 stretches into the connecting groove 11, the bridge 4 compresses the first inflation part 121 of the air bag 12, then the gas in the first inflation part 121 is inflated into the second inflation part 122, the second inflation part 122 drives the first necking part 1221 to expand, the first rack 21 is pushed to move towards one side deviating from the air bag 12, the first rack 21 drives the first gear 22 to rotate, the first gear 22 drives the first threaded rod 23 to move downwards, and the first threaded rod 23 compresses the first spring 24. And when the bridge 4 is completely inserted into the connecting slot 11, the first locking hole 41 is opposite to the first communicating hole 133, so that the first spring 24 pushes the first vertical rod 252 to be inserted into the first locking hole 41, and the bridge 4 is fixed in the connecting slot 11 by the first vertical rod 252. When the first vertical rod 252 completely extends into the first locking hole 41, the first threaded rod 23 still applies pressure to the first spring 24, so that the first vertical rod 252 is pressed into the first locking hole 41 by the first spring 24, and the condition that the first vertical rod 252 slides out of the first locking hole 41 is reduced.
Referring to fig. 8 and 9, the second locking structure 3 includes a second rack 31 horizontally disposed, and a second chute 14 horizontally disposed in the side wall of the housing 1, the second rack 31 is disposed in the second chute 14, and the second rack 31 is slidably connected with the housing 1.
Referring to fig. 6 and 10, the airbag 12 further includes a third inflation portion 123 disposed opposite the second chute 14, and the first inflation portion 121 is in opposite communication with the third inflation portion 123. The second sealing groove 125 is vertically formed at the position where the first inflating part 121 and the third inflating part 123 are relatively connected, the second sealing groove 125 is relatively communicated with the second inflating part 122, the second sealing plate 1251 is vertically arranged in the second sealing groove 125, and one end of the second sealing plate 1251 is hinged with the air bag 12.
When the gas in the third gas-filled portion 123 enters the third gas-filled portion 123 from the position of the second seal groove 125, the second seal plate 1251 is pushed away toward one side of the third gas bag 12, and when the gas in the first gas-filled portion 121 is not present, the gas in the third gas-filled portion 123 is filled with the gas, and the pressure in the third gas-filled portion 123 pushes the second seal plate 1251 to completely shield the second seal groove 125, so that the gas in the third gas-filled portion 123 is reduced from flowing back into the first gas-filled portion 121.
The third inflation portion 123 is provided with a second necking portion 1231 at a position opposite to the second rack 31, the vertical cross section of the second necking portion 1231 is smaller than that of the third inflation portion 123, the second necking portion 1231 is of a telescopic structure, and when the second necking portion 1231 is inflated, the second necking portion 1231 can push the second rack 31 to move towards one side away from the third inflation portion 123.
Referring to fig. 8 and 9, the second sliding chute 14 includes a second sliding groove 141 opposite to the second rack 31 and a second rotating groove 142 at an end of the second rack 31 facing away from the air bag 12, the second rack 31 is horizontally provided with a second gear 32 at an axis of the end facing away from the air bag 12, the second gear 32 is located inside the second rotating groove 142, and the second gear 32 is rotationally connected with the housing 1, and the second gear 32 is engaged with the second rack 31.
The second rack 31 is coaxially and threadedly connected with a second threaded rod 33, the first threaded rod 23 is horizontally arranged, one end of the second threaded rod 33, which is close to the connecting groove 11, is horizontally provided with a second spring 34, and one end, which is away from the second threaded rod 33, of the second spring 34 is horizontally provided with a second locking rod 35. One end of the second spring 34 is fixedly connected with the second threaded rod 33, and the other end of the second spring 34 is fixedly connected with the second locking rod 35.
The bottom of the second rotating groove 142 is relatively communicated with the connecting groove 11 through a second communication hole 143, and the diameter of the second communication hole 143 is smaller than that of the second rotating groove 142, so that a second clamping table 144 is formed between the second communication hole 143 and the second rotating groove 142. The second locking rod 35 has a T-shaped structure, and the second locking rod 35 includes a second horizontal rod 351 horizontally disposed and a second vertical rod 352 vertically disposed with respect to the first horizontal rod 251, and the second vertical rod 352 extends into the connecting slot 11 from the position of the second communication hole 143. The side wall of the bridge 4 is horizontally provided with a second locking hole 42 corresponding to the position of the second vertical rod 352.
After the bridge 4 extends into the connecting slot 11, the bridge 4 compresses the first inflatable portion 121 of the air bag 12, so that the gas in the first inflatable portion 121 is inflated into the third inflatable portion 123, and the third inflatable portion 123 drives the second necking portion 1231 to expand, so as to push the second rack 31 to move towards the side away from the air bag 12. The second rack 31 drives the second gear 32 to rotate, and then the second gear 32 drives the second threaded rod 33 to move towards one side close to the connecting groove 11, the second threaded rod 33 compresses the second spring 34, and when the bridge 4 completely stretches into the connecting groove 11, the second locking hole 42 is opposite to the second communication hole 143. So that the second spring 34 pushes the second vertical rod 352 to extend into the second locking hole 42, and the bridge 4 is fixed inside the connection groove 11 by the second vertical rod 352. When the second vertical rod 352 is fully inserted into the second locking hole 42, the second threaded rod 33 still applies pressure to the second spring 34, so that the second vertical rod 352 is pressed into the second locking hole 42 by the second spring 34, and the situation that the second vertical rod 352 slides out of the second locking hole 42 is reduced.
Referring to fig. 1 and 2, a splice groove 15 is horizontally formed in the top wall of the housing 1, the splice groove 15 is arranged along the length direction, a splice block 16 is fixedly connected to the side wall of the housing 1 horizontally, the splice block 16 is arranged along the length direction, the vertical section of the splice block 16 is of a wedge-shaped structure, and the vertical section of the splice groove 15 is of the same wedge-shaped structure as the splice block 16. When two adjacent shells 1 are opposite, the splicing block 16 can extend into the splicing groove 15 and slide relatively, so that the two shells 1 are fixed.
Referring to fig. 1 and 11, a gasket 5 is provided at a gap between two bridge frames 4, the gasket 5 is provided along a width direction, and both ends of the gasket 5 are respectively abutted against two housings 1. The sealing gasket 5 comprises a first sealing portion 51 positioned outside the outer side wall of the bridge 4 and a second sealing portion 52 positioned inside the inner side wall of the bridge 4, the first sealing portion 51 and the second sealing portion 52 are arranged in parallel, a third sealing portion 53 is arranged between the first sealing portion 51 and the second sealing portion 52, the third sealing portion 53 is perpendicular to the first sealing portion 51, the top end of the third sealing portion 53 is fixedly connected with the first sealing portion 51, and the bottom end of the third sealing portion 53 is fixedly connected with the second sealing portion 52. The width of the first sealing portion 51 is longer than the width of the second sealing portion 52, so that the operator can easily insert the second sealing portion 52 of the gasket 5 into the bridge 4.
The implementation principle of the connection structure of the cable bridge frame provided by the embodiment of the application is as follows: by extending the bridge 4 from the position of the connecting groove 11 into the shell 1, and compressing the first inflating part 121 by the bridge 4, a part of gas in the first inflating part 121 enters into the second inflating part 122, the first necking part 1221 is unfolded, the first necking part 1221 pushes the first rack 21 to move towards one side away from the air bag 12, the first gear 22 is driven to rotate, the first gear 22 drives the first threaded rod 23 to move downwards, the first threaded rod 23 compresses the first spring 24, and the first spring 24 pushes the first locking rod 25 to extend into the first locking hole 41.
The other part of the gas in the first inflation part 121 enters the third inflation part 123, the second necking part 1231 is unfolded, the second necking part 1231 drives the second rack 31 to move towards the side away from the air bag 12, the second rack 31 drives the second gear 32 to rotate, the second gear 32 drives the second threaded rod 33 to move towards the side close to the connecting groove 11, the second threaded rod 33 compresses the second spring 34, the second spring 34 pushes the second locking rod 35 to enter the second locking hole 42, and the bridge 4 is fixed in the shell 1 through the first locking rod 25 and the second locking rod 35, so that the two bridges 4 are relatively connected together.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (8)
1. A connection structure of cable bridge, its characterized in that: the connecting device comprises a shell (1) used for connection, wherein a connecting groove (11) is horizontally formed in the position of the shell (1) relative to a bridge frame (4), an air bag (12) is fixedly connected to the inside of the connecting groove (11), the bottom end of the air bag (12) is opposite to the connecting groove (11), a first sliding groove (13) is horizontally formed in the top end of the shell (1) relative to the air bag (12), a first rack (21) is horizontally and slidingly connected to the inside of the first sliding groove (13), a first gear (22) is connected to one end, deviating from the air bag (12), of the first rack (21) in an engaged mode, the axis of the first gear (22) is vertically arranged, a first jacking structure is coaxially connected to the first gear (22), the bottom end of the first jacking structure can extend into the inside of the connecting groove (11), a first locking hole (41) is formed in the upper surface of the bridge frame (4), and when the bridge frame (4) completely extends into the inside of the connecting groove (11), the bottom end of the first jacking structure extends into the first locking hole (41);
the first tightening structure comprises a first threaded rod (23) in threaded connection with the first gear (22), a first elastic piece is vertically arranged at the bottom end of the first threaded rod (23), and a first locking rod (25) is fixedly connected with the bottom end of the first elastic piece;
when the bridge frame (4) completely stretches into the connecting groove (11), the part of the air bag (12) located in the connecting groove (11) is compressed, the top end of the air bag (12) drives the first rack (21) to drive the first gear (22) to rotate, the first gear (22) drives the first threaded rod (23) to move downwards, and when the first locking rod (25) stretches into the first locking hole (41), the first elastic piece is in a compressed state.
2. The connection structure of a cable tray according to claim 1, wherein: the utility model discloses a bridge, including shell (1), vertical lateral wall level of shell (1) has seted up second spout (14), gasbag (12) stretch into the inside of second spout (14), the inside sliding connection of second spout (14) has second rack (31), one side meshing of second rack (31) deviating from gasbag (12) is connected with second gear (32), coaxial threaded connection has second tight structure in top on second gear (32), the bottom of second tight structure in top can stretch into the inside of spread groove (11), second locking hole (42) have been seted up to the lateral wall of crane span structure (4), and when crane span structure (4) stretch into completely the inside of spread groove (11), the bottom of second tight structure in top stretches into the inside of second locking hole (42).
3. The connection structure of a cable tray according to claim 1, wherein: a guard plate (17) is vertically arranged on one side, close to the opening of the connecting groove (11), of the air bag (12), and the guard plate (17) is located in the connecting groove (11) and is in sliding connection relatively.
4. The connection structure of a cable tray according to claim 1, wherein: the air bag (12) comprises a first inflating part (121) opposite to the connecting groove (11) and a second inflating part (122) opposite to the first sliding groove (13), the air bag (12) is internally provided with a first sealing groove (124) at the junction position of the first inflating part (121) and the second inflating part (122), the first sealing groove (124) is hinged with a first sealing plate (1241), and when the first sealing plate (1241) is horizontally arranged, the first sealing groove (124) is completely shielded by the first sealing plate (1241).
5. The connection structure of a cable tray according to claim 4, wherein: the second inflation part (122) is provided with a first shrinkage part (1221) at a position corresponding to the first rack (21), and the vertical sectional area of the first shrinkage part (1221) is smaller than that of the second inflation part (122).
6. The connection structure of a cable tray according to claim 1, wherein: splice groove (15) have been seted up to the top level of shell (1), just vertical lateral wall level fixedly connected with splice piece (16) of shell (1), work as splice piece (16) with splice groove (15) are relative, splice piece (16) can stretch into the inside and relative sliding connection of splice groove (15).
7. The connection structure of a cable tray according to claim 1, wherein: after two opposite bridge frames (4) stretch into the inside of relative spread groove (11), be provided with sealed pad (5) between two bridge frames (4), sealed pad (5) are including being located first sealing portion (51) of bridge frame (4) lateral wall and being located second sealing portion (52) of bridge frame (4) inside wall, first sealing portion (51) with second sealing portion (52) parallel arrangement, first sealing portion (51) with be provided with third sealing portion (53) perpendicularly between second sealing portion (52), the one end of third sealing portion (53) with first sealing portion (51) fixed connection, just the other end of third sealing portion (53) with second sealing portion (52) fixed connection.
8. The connection structure of a cable tray according to claim 7, wherein: the first sealing portion (51) has a width greater than that of the second sealing portion (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210318000.0A CN114744565B (en) | 2022-03-25 | 2022-03-25 | Connection structure of cable bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210318000.0A CN114744565B (en) | 2022-03-25 | 2022-03-25 | Connection structure of cable bridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114744565A CN114744565A (en) | 2022-07-12 |
| CN114744565B true CN114744565B (en) | 2023-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210318000.0A Active CN114744565B (en) | 2022-03-25 | 2022-03-25 | Connection structure of cable bridge |
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| CN (1) | CN114744565B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211480806U (en) * | 2020-01-17 | 2020-09-11 | 中铁物贸集团昆明有限公司 | Bracket for cable bridge |
| CN213212978U (en) * | 2020-09-11 | 2021-05-14 | 西安峻得机电设备有限公司 | Cable bridge convenient to installation |
| CN213906172U (en) * | 2020-11-25 | 2021-08-06 | 北京永安伟业电力设备安装有限公司 | Cable bridge |
| CN213937285U (en) * | 2020-11-20 | 2021-08-10 | 江苏永兴电能设备科技有限公司 | Cable bridge convenient to connect |
| CN113690812A (en) * | 2021-07-15 | 2021-11-23 | 江苏汉兴电气有限公司 | Bridge connecting structure and connecting method thereof |
-
2022
- 2022-03-25 CN CN202210318000.0A patent/CN114744565B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211480806U (en) * | 2020-01-17 | 2020-09-11 | 中铁物贸集团昆明有限公司 | Bracket for cable bridge |
| CN213212978U (en) * | 2020-09-11 | 2021-05-14 | 西安峻得机电设备有限公司 | Cable bridge convenient to installation |
| CN213937285U (en) * | 2020-11-20 | 2021-08-10 | 江苏永兴电能设备科技有限公司 | Cable bridge convenient to connect |
| CN213906172U (en) * | 2020-11-25 | 2021-08-06 | 北京永安伟业电力设备安装有限公司 | Cable bridge |
| CN113690812A (en) * | 2021-07-15 | 2021-11-23 | 江苏汉兴电气有限公司 | Bridge connecting structure and connecting method thereof |
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| Publication number | Publication date |
|---|---|
| CN114744565A (en) | 2022-07-12 |
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