CN114744565A - Connecting structure of cable bridge - Google Patents
Connecting structure of cable bridge Download PDFInfo
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- CN114744565A CN114744565A CN202210318000.0A CN202210318000A CN114744565A CN 114744565 A CN114744565 A CN 114744565A CN 202210318000 A CN202210318000 A CN 202210318000A CN 114744565 A CN114744565 A CN 114744565A
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- 238000007789 sealing Methods 0.000 claims description 66
- 230000008878 coupling Effects 0.000 claims 6
- 238000010168 coupling process Methods 0.000 claims 6
- 238000005859 coupling reaction Methods 0.000 claims 6
- 238000009434 installation Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 2
- 238000004891 communication Methods 0.000 description 7
- 210000004712 air sac Anatomy 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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
- H02G3/06—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 utility model relates to a connection structure of cable testing bridge, including the shell that is used for connecting, the spread groove has been seted up for the position level of crane span structure to the shell, the inside fixedly connected with gasbag of spread groove, the bottom of gasbag is relative with the spread groove, first spout has been seted up for the top level of gasbag to the shell, the inside horizontal sliding connection of first spout has first rack, the one end meshing that first rack deviates from first gasbag is connected with first gear, the vertical setting of axis of first gear, coaxial thread connection has first tight structure in top on the first gear, the inside of spread groove can be stretched into to the bottom of first tight structure in top, first locking hole has been seted up to the upper surface of crane span structure, when the crane span structure stretches into the inside of spread groove completely, the inside in first locking hole is stretched into to the bottom of first tight structure in top. This application has the reduction and welds the installation time that causes long at the job site, installs comparatively loaded down with trivial details and dangerous effect of 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 is divided into structures of a groove type, a tray type, a ladder type, a grid type and the like, and comprises a support, a supporting arm, an installation accessory and the like. The inner bridge of the building can be independently erected and also laid on various buildings and pipe rack supports, and has the characteristics of simple structure, attractive appearance, flexible configuration, convenience in maintenance and the like.
In the using process, the cable bridge is installed and fixed on the wall or the ground, the cable penetrates through the inner part of the cable bridge, so that the cable is fixed in the inner part of the cable bridge, and the cable is guided and collected through the cable bridge.
For the related technologies, the inventor thinks that in order to facilitate transportation, the cable bridge needs to reach the construction position and is welded according to the placement position and the whole length of the cable, and a plurality of cable bridges are welded and fixed into a whole.
Disclosure of Invention
In order to reduce that the installation time that welding caused is long at the job site, the installation is comparatively loaded down with trivial details and the dangerous condition of installation, this application provides a connection structure of cable testing bridge.
The application provides a connection structure of cable testing bridge adopts following technical scheme:
a connecting structure of a cable bridge comprises a shell for connection, wherein the shell is horizontally provided with a connecting groove relative to the position of the bridge, the inside of the connecting groove is fixedly connected with an air bag, the bottom end of the air bag is opposite to the connecting groove, a first sliding groove is horizontally arranged on the top end of the shell relative to the air bag, a first rack is horizontally and slidably connected inside the first sliding groove, one end of the first rack, which is far away from the first air bag, is engaged and connected with a first gear, the axis of the first gear is vertically arranged, the first gear is coaxially and threadedly connected with a first jacking structure, the bottom end of the first jacking structure can extend into the connecting groove, the upper surface of the bridge frame is provided with a first locking hole, when the bridge frame completely extends into the connecting groove, the bottom end of the first tightening structure extends into the first locking hole.
Through adopting above-mentioned technical scheme, operating personnel is through stretching into the inside of shell with the crane span structure from the position of connecting groove, the crane span structure through stretching into compresses the gasbag, will with the inside gas pressure of the gasbag of connecting groove relative position department to the inside of the gasbag relative with first spout, and then move first rack orientation one side that deviates from the gasbag through the gasbag with first spout relative position department, and then first rack drives first gear and rotates, first gear drives first tight structure of top and moves down, stretch into the inside in the first locking hole that the crane span structure upper surface of shell inside was seted up 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, it is long to reduce the installation time who welds at the construction field and cause, the installation is comparatively loaded down with trivial details and install dangerous condition.
Optionally, a second sliding groove is horizontally formed in the vertical side wall of the shell, the air bag extends into the second sliding groove, a second rack is connected to the inside of the second sliding groove in a sliding mode, the second rack deviates from one side of the air bag, a second gear is meshed and connected to one side of the air bag, a second jacking structure is connected to the coaxial threads of the second gear, the bottom end of the second jacking structure can extend into the inside of the connecting groove, a second locking hole is formed in the side wall of the bridge, and when the bridge completely extends into the inside of the connecting groove, the bottom end of the second jacking structure extends into the inside of the second locking hole.
Through adopting above-mentioned technical scheme, through stretching into the inside crane span structure compression gasbag of shell, the inside gas that is located the gasbag relative with the spread groove removes the gasbag position department relative with the second spout, and then the gasbag promotes the second rack and moves towards the one side that deviates from the gasbag, the second rack moves the second gear and rotates, the bottom that the tight structure in second top was driven to the second gear stretches into the inside in the second locking hole on the crane span structure of shell inside, thereby can reduce the rocking of the inside production of crane span structure at the shell through the tight structure in second top, and reduce the condition that the crane span structure breaks away from the inside of shell.
Optionally, the first tightening structure includes a first threaded rod in threaded connection with the first gear, a first elastic member is vertically arranged at the bottom end of the first threaded rod, and a first locking rod is fixedly connected to the bottom end of the first elastic member.
Through adopting above-mentioned technical scheme, drive first threaded rod downstream through first gear, and then first threaded rod compresses first elastic component, and when first locking pole is relative with first locking hole, first elastic component promotes the inside that first locking pole stretched into first locking hole, can reduce when stretching into the inside of shell along with the crane span structure through the first elastic component that sets up, first locking pole does not just produce the condition that the crane span structure compressed tightly with the shell with first locking hole relatively, thereby be convenient for stretch into the inside in first locking hole with first locking pole.
Optionally, when the bridge completely extends into the inside of the connecting groove, the portion of the air bag located in the connecting groove is compressed, the top end of the air bag drives the first rack to drive the first gear to rotate, the first gear drives the first threaded rod to move downwards, and when the first locking rod extends into the inside of the first locking hole, the first elastic member is in a compressed state.
Through adopting above-mentioned technical scheme, when first locking lever was located the inside of first locking hole completely, first elastic component still was the compressed state to press first locking lever in the inside of first locking hole through first elastic component, reduce the condition of first locking lever from the inside roll-off of first locking hole.
Optionally, a protection plate is vertically arranged on one side, close to the opening of the connecting groove, of the air bag, and the protection plate is located inside the connecting groove and is in sliding connection with the connecting groove relatively.
Through adopting above-mentioned technical scheme, when on-the-spot in-service use, the tip of crane span structure has the not complete burr of polishing behind the cutting process, when these burrs and gasbag butt, easily punctures the gasbag to can reduce the burr of the tip of crane span structure and the condition of gasbag butt through the backplate that sets up, improve the life of gasbag.
Optionally, the gasbag including with the spread groove relative first aerify the portion and with the first spout relative second aerifys the portion, the inside of gasbag is located first aerify portion with the juncture position department of second aerify portion has seted up first seal groove, the inside articulated first closing plate that is provided with of first seal groove, when first closing plate level sets up, through first closing plate will first seal groove shields completely.
Through adopting above-mentioned technical scheme, stretch into the inside of shell from the position of connecting groove when the crane span structure to compress first gas portion, the inside gas that is located first gas portion pushes away first closing plate, will be located the inside gas pressure of first gas portion to the inside of second gas portion, thereby expand second gas portion, and press first closing plate in the inside of first seal groove when being located the inside gas of second gas portion, thereby reduce to be located the inside gas of second gas portion and enter into first gas portion.
Optionally, a first choke portion is arranged at a position of the second inflation portion relative to the first rack, and a vertical cross-sectional area of the first choke portion is smaller than a vertical cross-sectional area of the second inflation portion.
Through adopting above-mentioned technical scheme, through the first throat portion that vertical section is less than the second portion of aerifing, can fill limited air into the inside of second throat portion for through the distance extension that second throat portion promoted first rack, be convenient for lock the crane span structure, reduce the volume of gasbag.
Optionally, a splicing groove is horizontally formed in the top end of the shell, a splicing block is horizontally and fixedly connected to the vertical outer side wall of the shell, and when the splicing block faces the splicing groove, the splicing block can stretch into the inside of the splicing groove and is in relative sliding connection with the inside of the splicing groove.
Through adopting above-mentioned technical scheme, through relative with 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 crane span structures, be convenient for adjust according to the actual conditions of difference.
Optionally, two relative crane span structures stretch into relatively behind the inside of spread groove, be located and be provided with sealed the pad between two crane spans, sealed pad including the first sealing that is located the crane span structure lateral wall and the second sealing that is located the crane span structure medial wall, first sealing with second sealing parallel arrangement, first sealing with be provided with the third sealing perpendicularly between the second sealing, the one end of third sealing with first sealing fixed connection, just the other end of third sealing with second sealing fixed connection.
Through adopting above-mentioned technical scheme, the opening that will be located the hookup location between two crane cradles through the sealed pad that sets up seals to reduce the inside that external rainwater enters into the crane cradle, improve the safety in utilization of the inside cable of crane cradle.
Optionally, the width of the first sealing portion is larger than that of the second sealing portion.
Through adopting above-mentioned technical scheme, the width of second sealing is less than the inside width of first sealing to be convenient for operating personnel stretch into the second sealing to the clearance position department between two relative crane span structures.
In summary, the present application includes at least one of the following beneficial technical effects:
1. operating personnel is through stretching into the inside of shell with the crane span structure from the position of connecting groove, compress the gasbag through the crane span structure that stretches into, will press the inside gas of gasbag relative with first spout with spread groove relative position department, and then move one side that deviates from the gasbag with first rack orientation through the gasbag with first spout relative position department, and then first rack drives first gear and rotates, first gear drives first tight structure of top and moves down, stretch into the inside in the first locking hole that the crane span structure upper surface of shell inside was seted up 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, it is long to reduce the installation time that welds at the job site and cause, install comparatively loaded down with trivial details and install dangerous condition.
2. Drive first threaded rod downstream through first gear, and then first threaded rod compression first elastic component, and when first locking pole is relative with first locking hole, first elastic component promotes the inside that first locking pole stretched into first locking hole, first elastic component through setting up can reduce when stretching into the inside of shell along with the crane span structure, first locking pole does not produce with the condition that first locking hole just compressed tightly crane span structure and shell relatively, thereby be convenient for stretch into the inside in first locking hole with first locking pole.
3. When the bridge frame extends into the shell from the position of the connecting groove, the first inflating portion is compressed, the gas in the first inflating portion pushes the first sealing plate open, the gas in the first inflating portion is pressed into the second inflating portion, the second inflating portion is unfolded, and the gas in the second inflating portion presses the first sealing plate in the first sealing groove, so that the gas in the second inflating portion is reduced from entering the first inflating portion.
Drawings
FIG. 1 is a schematic view of an assembled overall structure of a connecting structure of a cable tray according to an embodiment of the present disclosure;
FIG. 2 is a schematic overall view of a cable tray connection structure according to an embodiment of the present disclosure;
FIG. 3 is a cross-sectional view of a cable tray connection structure 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 cable tray connection arrangement in an embodiment of the present application;
FIG. 6 is a schematic view of the overall configuration of the bladder of one cable tray connection configuration in an embodiment of the present application;
FIG. 7 is a cross-sectional view of a second inflatable portion of an air bladder of a connection structure of a cable tray in an embodiment of the present application;
FIG. 8 is a cross-sectional view of a second locking bar of a second locking structure of a cable tray connection structure in an embodiment of the present application shown unextended;
FIG. 9 is a cross-sectional view of a second locking lever of a second locking structure of a cable tray connection structure extending in an embodiment of the present application;
FIG. 10 is a cross-sectional view of a third inflatable portion of an air bladder of a connection structure of a cable tray 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 present application.
Description of reference numerals: 1. a housing; 11. connecting grooves; 12. an air bag; 121. a first inflation section; 122. a second inflation section; 1221. a first choke portion; 123. a third inflation portion; 1231. a second choke 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 chuck table; 14. a second chute; 141. a second sliding groove; 142. a second rotating groove; 143. a second communication hole; 144. a second chuck table; 15. splicing grooves; 16. splicing blocks; 17. a guard plate; 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 bar; 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 bar; 4. a bridge frame; 41. a first locking hole; 42. a second locking hole; 5. a gasket; 51. a first seal portion; 52. a second seal portion; 53. and a third sealing part.
Detailed Description
The present application is described in further detail below with reference to figures 1-11.
The embodiment of the application discloses a connecting structure of a cable bridge. Referring to fig. 1 and 2, a connecting structure of a cable bridge comprises a housing 1, wherein the housing 1 is respectively located at four corners of a bridge 4, connecting grooves 11 are horizontally formed in side walls of two opposite sides of the housing 1, and four corners of the bridge 4 can respectively extend into the housing 1 from the connecting grooves 11.
Referring to fig. 2 and 3, a first locking structure 2 is disposed on an upper portion of the housing 1, and a second locking structure 3 is disposed on a 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 length direction is along the connecting line between two opposite connecting grooves 11, and a distance is left between the groove bottoms of the two connecting grooves 11. The connecting groove 11 is an L-shaped groove body, the 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. A guard plate 17 is connected inside the connecting groove 11 in a sliding mode, the guard plate 17 is located on one side, away from the bottom of the connecting groove 11, of the air bag 12, 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, the first sliding slot 13 is horizontally disposed inside the top wall of the housing 1, the first rack 21 is located inside the first sliding slot 13, and the first rack 21 is slidably connected to 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 sliding groove 13, and the first inflation portion 121 and the second inflation portion 122 are in opposite communication. A first sealing groove 124 is horizontally formed at the position where the first inflation part 121 and the second inflation part 122 are relatively connected, the top end of the first sealing groove 124 is relatively communicated with the second inflation part 122, a 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 airbag 12.
When the gas in the first gas filling part 121 enters the second gas filling part 122 from the position of the first seal groove 124, the first seal plate 1241 is pushed upward, and when there is no gas in the first gas filling part 121, the second gas filling part 122 is filled with the gas, and the pressure in the second gas filling part 122 pushes the first seal plate 1241 to completely shield the first seal groove 124, so that the gas in the second gas filling part 122 is prevented from flowing back to the first gas filling part 121.
The second inflation portion 122 is provided with a first throat 1221 relative to the position of the first rack 21, the vertical section of the first throat 1221 is smaller than the vertical section of the second inflation portion 122, and the first throat 1221 is a telescopic structure, and after inflating the first throat 1221, the first throat 1221 can push the first rack 21 to move towards the side away from the second inflation portion 122.
Referring to fig. 4 and 5, the first sliding groove 13 includes a first sliding groove 131 opposite to the first rack 21 and a first rotating groove 132 located at an end of the first rack 21 away from the airbag 12, the first rack 21 is horizontally provided with a first gear 22 located at an end away from the airbag 12, the first gear 22 is located inside the first rotating groove 132, the first gear 22 is rotatably connected with the housing 1, and the first gear 22 is engaged with the first rack 21.
Coaxial threaded connection has first threaded rod 23 on the first rack 21, and first threaded rod 23 is vertical to be set up, and the bottom of first threaded rod 23 is vertical to be provided with first spring 24, and the bottom of first spring 24 is vertical to be provided with first locking lever 25. 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 connecting hole 133, and the diameter of the first connecting hole 133 is smaller than that of the first rotating groove 132, so that a first clamping table 134 is formed between the first connecting hole 133 and the first rotating groove 132.
The first locking rod 25 is a "T" shaped structure, and the first locking rod 25 includes a first horizontal rod 251 horizontally disposed and a first vertical rod 252 vertically disposed, the first horizontal rod 251 and the first vertical rod 252 are integrated, and the first vertical rod 252 extends into the connecting groove 11 from the first connecting hole 133. The upper surface of the bridge 4 is vertically provided with a first locking hole 41 corresponding to the position of the first vertical rod 252.
After the bridge 4 extends into the connecting groove 11, the bridge 4 compresses the first inflating part 121 of the air bag 12, and then the gas in the first inflating part 121 is inflated into the second inflating part 122, the second inflating part 122 drives the first necking part 1221 to expand, and pushes the first rack 21 to move towards one side departing from the air bag 12, the first rack 21 drives the first gear 22 to rotate, and then 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 groove 11, the first locking hole 41 is opposite to the first connecting 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 inside the connecting groove 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 inside the first locking hole 41 by the first spring 24, and the situation that the first vertical rod 252 slides out from the inside 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, the second sliding slot 14 is horizontally disposed inside the sidewall of the housing 1, the second rack 31 is located inside the second sliding slot 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 to the second chute 14, and the first inflation portion 121 and the third inflation portion 123 are in opposite communication. A second sealing groove 125 is vertically formed at a position where the first inflation part 121 and the third inflation part 123 are oppositely connected, the second sealing groove 125 is oppositely communicated with the second inflation part 122, a second sealing plate 1251 is vertically arranged inside the second sealing groove 125, and one end of the second sealing plate 1251 is hinged to the air bag 12.
When the gas in the third inflation portion 123 enters the inside of the third inflation portion 123 from the position of the second seal groove 125, the second seal plate 1251 is pushed away toward the side of the third airbag 12, and when there is no gas in the inside of the first inflation portion 121, the inside of the third inflation portion 123 is filled with the gas, the pressure in the inside of the third inflation portion 123 pushes the second seal plate 1251 to completely shield the second seal groove 125, and the backflow of the gas in the inside of the third inflation portion 123 into the inside of the first inflation portion 121 is reduced.
The third inflation part 123 is provided with a second throat part 1231 at a position corresponding to the second rack bar 31, the vertical section of the second throat part 1231 is smaller than that of the third inflation part 123, and the second throat part 1231 is of a telescopic structure, so that after the second throat part 1231 is inflated, the second rack bar 31 can be pushed by the second throat part 1231 to move towards a side away from the third inflation part 123.
Referring to fig. 8 and 9, the second sliding groove 141 opposite to the second rack 31 and a second rotating groove 142 located at an end of the second rack 31 away from the airbag 12 are included in the second sliding groove 14, the second rack 31 is located at an end of the second rack 31 away from the airbag 12, a second gear 32 is horizontally arranged on an axis, the second gear 32 is located inside the second rotating groove 142, the second gear 32 is rotatably connected with the housing 1, and the second gear 32 is in meshing connection with the second rack 31.
A second threaded rod 33 is coaxially and threadedly connected to the second rack 31, the first threaded rod 23 is horizontally arranged, a second spring 34 is horizontally arranged at one end, close to the connecting groove 11, of the second threaded rod 33, and a second locking rod 35 is horizontally arranged at one end, away from the second threaded rod 33, of the second spring 34. 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 groove bottom of the second rotation groove 142 is opposite to the connection groove 11 through a second communication hole 143, and the diameter of the second communication hole 143 is smaller than that of the second rotation groove 142, so that a second locking platform 144 is formed between the second communication hole 143 and the second rotation groove 142. The second locking lever 35 is a "T" shaped structure, and the second locking lever 35 includes a second cross bar 351 horizontally disposed and a second vertical bar 352 vertically disposed with the first cross bar 251, and the second vertical bar 352 extends into the connecting groove 11 from the position of the second communicating 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.
When the bridge 4 extends into the connecting groove 11, the bridge 4 compresses the first inflation portion 121 of the airbag 12, and then the gas in the first inflation portion 121 is inflated into the third inflation portion 123, and the third inflation portion 123 drives the second necking part 1231 to expand, so as to push the second rack 31 to move towards the side away from the airbag 12. The second rack 31 drives the second gear 32 to rotate, and the second gear 32 drives the second threaded rod 33 to move toward the side close to the connecting slot 11, the second threaded rod 33 compresses the second spring 34, and after the bridge 4 completely extends into the connecting slot 11, the second locking hole 42 is opposite to the second communicating hole 143. The second spring 34 thus pushes the second vertical rod 352 into the interior of the second locking hole 42, and the bridge 4 is fixed inside the connecting groove 11 by the second vertical rod 352. When the second vertical rod 352 completely extends 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 inside the second locking hole 42 by the second spring 34, and the situation that the second vertical rod 352 slides out of the inside of the second locking hole 42 is reduced.
Referring to fig. 1 and 2, a splicing groove 15 is horizontally formed in the top wall of the housing 1, the splicing groove 15 is arranged along the length direction, and is located on a splicing block 16 which is fixedly connected to the side wall of the housing 1 horizontally, the splicing block 16 is arranged along the length direction, the vertical cross section of the splicing block 16 is of a wedge-shaped structure, and the vertical cross section of the splicing groove 15 is of a wedge-shaped structure which is the same as that of the splicing block 16. When two adjacent shells 1 are opposite, the splicing block 16 can extend into the splicing groove 15 and slide relatively, and then the two shells 1 are fixed.
Referring to fig. 1 and 11, a gasket 5 is disposed at a gap between the two bridges 4, the gasket 5 is disposed along the width direction, and both ends of the gasket 5 are abutted to the two housings 1, respectively. The sealing gasket 5 comprises a first sealing part 51 positioned on the outer side wall of the bridge frame 4 and a second sealing part 52 positioned inside the inner side wall of the bridge frame 4, the first sealing part 51 and the second sealing part 52 are arranged in parallel, a third sealing part 53 is arranged between the first sealing part 51 and the second sealing part 52, the third sealing part 53 is perpendicular to the first sealing part 51, the top end of the third sealing part 53 is fixedly connected with the first sealing part 51, and the bottom end of the third sealing part 53 is fixedly connected with the second sealing part 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 conveniently extend the second sealing portion 52 of the gasket 5 into the interior of the bridge 4.
The implementation principle of the connection structure of the cable bridge frame in the embodiment of the application is as follows: through stretching into the inside of shell 1 with crane span structure 4 from the position of connecting groove 11, and crane span structure 4 compresses first inflation portion 121, it enters into the inside of second inflation portion 122 to be located the inside gaseous partly of first inflation portion 121, expand first throat portion 1221, first throat portion 1221 promotes first rack 21 and moves towards the one side that deviates from gasbag 12, it rotates to drive first gear 22, and then first gear 22 drives first threaded rod 23 and moves down, first threaded rod 23 compresses first spring 24, make first spring 24 promote first locking lever 25 and stretch into the inside of first locking hole 41.
The other part of the gas inside the first inflation portion 121 enters the inside of the third inflation portion 123, so that the second necking portion 1231 is unfolded, the second necking portion 1231 drives the second rack 31 to move towards the side away from the airbag 12, so that 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 inside of the second locking hole 42, so that the bridge 4 is fixed inside the housing 1 through the first locking rod 25 and the second locking rod 35, and therefore the two bridges 4 are connected together relatively.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a connection structure of cable testing bridge which characterized in that: the connecting structure comprises a shell (1) used for connection, a connecting groove (11) is horizontally formed in the shell (1) relative to a bridge (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 shell (1) relative to the top end of the air bag (12), a first rack (21) is horizontally and slidably connected to the inside of the first sliding groove (13), one end, deviating from the first air bag (12), of the first rack (21) is meshed with a first gear (22), the axis of the first gear (22) is vertically arranged, a first jacking structure is coaxially and threadedly connected to the first gear (22), the bottom end of the first jacking structure can stretch into the inside of the connecting groove (11), and a first locking hole (41) is formed in the upper surface of the bridge (4), when the bridge (4) completely extends into the connecting groove (11), the bottom end of the first jacking structure extends into the first locking hole (41).
2. The connecting structure of a cable tray as claimed in claim 1, wherein: second spout (14) have been seted up to the vertical lateral wall level of shell (1), gasbag (12) stretch into the inside of second spout (14), the inside sliding connection of second spout (14) has second rack (31), second rack (31) deviate from one side meshing of gasbag (12) is connected with second gear (32), the coaxial thread of second gear (32) is connected with the tight structure in second top, the bottom of the tight structure in second top can stretch into the inside of connecting 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 during the inside of connecting groove (11), the bottom of the tight structure in second top stretches into the inside of second locking hole (42).
3. A cable tray coupling structure as claimed in claim 1, wherein: the first jacking structure comprises a first threaded rod (23) connected with the first gear (22) in a threaded mode, 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 to the bottom end of the first elastic piece.
4. A cable tray coupling structure as claimed in claim 3, wherein: when the bridge (4) completely extends 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) extends into the first locking hole (41), the first elastic piece is in a compressed state.
5. A cable tray coupling structure as claimed in claim 1, wherein: the air bag (12) is close to one side of the opening of the connecting groove (11), a protection plate (17) is vertically arranged, and the protection plate (17) is located inside the connecting groove (11) and is in relative sliding connection.
6. A cable tray coupling structure as claimed in claim 1, wherein: the airbag (12) comprises a first inflation portion (121) opposite to the connecting groove (11) and a second inflation portion (122) opposite to the first sliding groove (13), a first sealing groove (124) is formed in the boundary position of the first inflation portion (121) and the second inflation portion (122) in the airbag (12), a first sealing plate (1241) is hinged to the inside of the first sealing groove (124), and when the first sealing plate (1241) is horizontally arranged, the first sealing groove (124) is completely shielded by the first sealing plate (1241).
7. The connecting structure of a cable tray according to claim 6, wherein: the second inflation part (122) is provided with a first choke part (1221) at a position relative to the first rack (21), and the vertical sectional area of the first choke part (1221) is smaller than the vertical sectional area of the second inflation part (122).
8. The connecting structure of a cable tray as claimed in claim 1, wherein: the novel LED lamp is characterized in that a splicing groove (15) is horizontally formed in the top end of the shell (1), a splicing block (16) is fixedly connected to the vertical outer side wall of the shell (1) in a horizontal mode, and when the splicing block (16) is opposite to the splicing groove (15), the splicing block (16) can stretch into the inside of the splicing groove (15) and is connected in a sliding mode.
9. A cable tray coupling structure as claimed in claim 1, wherein: two relative crane span structures (4) stretch into relatively behind the inside of connecting groove (11), lie in and be provided with sealed pad (5) between two crane span structures (4), sealed pad (5) including lie in first sealing (51) of crane span structure (4) lateral wall and lie in second sealing (52) of crane span structure (4) inside wall, first sealing (51) with second sealing (52) parallel arrangement, first sealing (51) with be provided with third sealing (53) between second sealing (52) perpendicularly, the one end of third sealing (53) with first sealing (51) fixed connection, just the other end of third sealing (53) with second sealing (52) fixed connection.
10. A cable tray coupling structure as claimed in claim 9, wherein: the first seal portion (51) has a width larger than that of the second seal 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 true CN114744565A (en) | 2022-07-12 |
| CN114744565B 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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| Country | Link |
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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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114744565B (en) | 2023-11-03 |
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