CN113097945B - Cable bridge horizontal angle adjusting device and method for adjusting angle by using same - Google Patents
Cable bridge horizontal angle adjusting device and method for adjusting angle by using same Download PDFInfo
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- CN113097945B CN113097945B CN202110353212.8A CN202110353212A CN113097945B CN 113097945 B CN113097945 B CN 113097945B CN 202110353212 A CN202110353212 A CN 202110353212A CN 113097945 B CN113097945 B CN 113097945B
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- sleeve
- fixed column
- claw
- rubber sleeve
- pressing
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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
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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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to a horizontal angle adjusting device for a cable bridge and an angle adjusting method using the same. The horizontal angle adjusting device for the cable bridges is arranged between the two cable bridges, and then after the angle between the two cable bridges is adjusted, the pressing type elastic self-locking structure is pressed, so that the expansion structure is expanded and fixed between the fixing column and the inner sleeve, and the relative position between the two cable bridges is locked. The invention realizes the fixation of the relative position between the two cable bridges by locking the expansion sleeve by the pressing type elastic self-locking structure, realizes the locking of any angle by utilizing the characteristic that the expansion sleeve structure can lock the relative position of the two cable bridges in a friction fit manner at any position, thereby meeting the requirement of the cable bridges on the adjustment of any position in the horizontal angle adjusting process.
Description
Technical Field
The invention belongs to the field of electric power engineering facilities, and particularly relates to a horizontal angle adjusting device for a cable bridge and an angle adjusting method using the same.
Background
At present, the cable bridge frames are connected through the elbow with a fixed angle, the cable bridge frames cannot be adjusted according to the spatial memorability and the multi-angle of the site, the connection of the cable bridge frames in the complex and limited installation space cannot be met, and the flexibility and the applicability are extremely low.
The prior patent CN111293643A discloses a cable bridge suitable for various occasions, which has the advantages of being capable of carrying out multi-angle adjustment on the connection of two adjacent cable bridges, being suitable for various complex and limited installation spaces and obviously improving the flexibility and the applicability of the cable bridge; the flexible pleated sheath is used for coating the multi-angle adjusting structure and the cable; the cable turning monitoring system is used for monitoring the real-time temperature of the turning cable wire in the flexible pleated sheath; the multi-angle adjusting structure comprises a first connecting rod, a second connecting rod, a first adjusting column and a second adjusting column, wherein a plurality of limiting grooves are circumferentially formed in the upper end face of the second adjusting column, and a plurality of limiting columns matched with the limiting grooves are circumferentially extended on the lower end face of the first adjusting column. The multi-angle is adjusted the structure and can be carried out the multi-angle according to the actual trend of cable conductor and is adjusted, avoid the cable conductor to take place the condition that turns round firmly, reduce the impedance change of the cable conductor of corner as far as possible, thereby reduce the cable conductor and lead to the emergence of the local serious condition of generating heat because of the impedance is too big in follow-up use, improve the security that the cable conductor used, because the setting of multi-angle is adjusted the structure, can satisfy the connection of cable bridge in complicated and limited installation space, flexibility and suitability are good, make the bridge can be applicable to more application occasions.
However, the multi-angle adjusting structure belongs to a pin shaft positioning mode, only one of several preset positions can be selected, and the adjustment of any angle cannot be carried out according to the actual requirements on the site, so that the problems of poor adaptability and low assembly precision exist.
Disclosure of Invention
The invention aims to provide a horizontal angle adjusting device of a cable bridge, which can meet the requirements of any angle adjustment, and the technical scheme is as follows:
the cable bridge horizontal angle adjusting device comprises an outer sleeve and an inner sleeve which are respectively connected with a cable bridge and are in plug bush rotating fit with each other, a fixing column sleeved in the inner sleeve is fixed at the center of the outer sleeve, a pressing type elastic self-locking structure which stretches along the axial direction of the fixing column is arranged between the fixing column and the inner sleeve, and the pressing type elastic self-locking structure is in transmission connection with an expansion structure which is used for being pressed by the pressing type elastic self-locking structure to expand and connect the fixing column and the inner sleeve.
Optionally, the pressing type elastic self-locking structure comprises a pressing sleeve which is fixed in the inner sleeve and rotatably sleeved outside the fixed column, and the pressing sleeve is provided with an elastic claw which is elastically buckled and pressed on the cylindrical surface of the fixed column along the radial direction of the fixed column and a spring which is connected with the fixed column in an abutting mode along the axial direction of the fixed column; the pressing elastic self-locking structure further comprises a ring groove formed in the cylindrical surface of the fixed column, and the ring groove is located on the overhanging side of the elastic claw and is spaced from the elastic claw.
Optionally, the elastic claws are uniformly distributed in the circumferential direction, and the outer side surface of the overhanging end of each elastic claw is connected with a spring ring which tightly holds each elastic claw inwards in a buckling manner.
Optionally, an upper end cover located above the outer sleeve is fixed to the upper end opening of the inner sleeve in a plugging manner, a lower end cover located below the inner sleeve is fixed to the lower end opening of the outer sleeve in a plugging manner, the fixing column is arranged in the center of the lower end cover in a protruding manner, the pressing sleeve is arranged on the lower side of the upper end cover, the elastic claw is located at the lower end of the pressing sleeve, and the annular groove is located below the elastic claw.
Optionally, the expansion structure comprises an upper rubber sleeve, a middle rubber sleeve and a lower rubber sleeve which are sleeved on the fixed column and sequentially abut against the fixed column from top to bottom, the upper rubber sleeve, the middle rubber sleeve and the lower rubber sleeve are matched, the end faces of the upper rubber sleeve and the lower rubber sleeve are in right-angled trapezoids with inclined planes, the middle rubber sleeve is in an isosceles trapezoid shape, the large end of the middle rubber sleeve faces the fixed column, the middle rubber sleeve is matched and complementarily overlapped between the upper rubber sleeve and the lower rubber sleeve, and the hardness of the middle rubber sleeve is smaller than that of the upper rubber sleeve and that of the lower rubber sleeve.
Optionally, the expansion structure includes a sliding sleeve sleeved on the periphery of the fixed column, an inner buckle claw and an outer buckle claw which are alternately distributed in the circumferential direction are arranged in the sliding sleeve, upper end buckles of the inner buckle claw and the outer buckle claw are connected to the sliding sleeve, a lower end wedge surface is matched with the same sliding ring, an upper ring end surface of the sliding ring is provided with an inner inverted wedge surface which is matched with a lower end wedge surface of the inner buckle claw and used for inwards abutting against the lower end of the inner buckle claw, a lower ring end surface of the sliding ring is provided with an outer inverted wedge surface which is matched with a lower end wedge surface of the outer buckle claw and used for outwards abutting against the outer buckle claw, and a lower end of the outer buckle claw is arranged in an avoiding penetrating opening formed in the sliding sleeve in a penetrating manner.
The invention also aims to provide a cable bridge angle modulation method applying the cable bridge horizontal angle modulation device, which adopts the technical scheme as follows:
the horizontal angle adjusting device for the cable bridges is arranged between the two cable bridges, and then after the angle between the two cable bridges is adjusted, the pressing type elastic self-locking structure is pressed, so that the expansion structure is expanded and fixed between the fixing column and the inner sleeve, and the relative position between the two cable bridges is locked.
The invention has the beneficial effects that:
the invention realizes the fixation of the relative position between the two cable bridges by locking the expansion sleeve by the pressing type elastic self-locking structure, realizes the locking of any angle by utilizing the characteristic that the expansion sleeve structure can lock the relative position of the two cable bridges in a friction fit manner at any position, thereby meeting the requirement of the cable bridges on the adjustment of any position in the horizontal angle adjusting process.
Drawings
FIG. 1 is a schematic perspective view of a cable bridge horizontal angle adjusting device according to the present invention;
FIG. 2 is a front view of the cable tray horizontal recliner of FIG. 1;
FIG. 3 is an enlarged schematic view at A in FIG. 2;
fig. 4 is an enlarged schematic view at B in fig. 2.
Detailed Description
Referring to fig. 1 to 2, the structure of the cable tray horizontal angle-adjusting device of the present invention is shown.
The horizontal angle adjusting device for the cable bridge comprises an upper connecting rod 1, an inner sleeve component 2, an outer sleeve component 3 and a lower connecting rod 4 which are sequentially connected from top to bottom.
The left end of the upper connecting rod 1 is provided with an upper flange 11.
The inner sleeve component 2 comprises an upper end cover 21 connected with the upper flange 11 through a bolt, a cylindrical inner sleeve 22 and a pressing sleeve 23 coaxially arranged in the inner sleeve 22 at intervals are convexly arranged on the lower end face of the upper end cover 21, and an annular convex shoulder 24 positioned at the upper section position is convexly arranged on the periphery of the inner sleeve 22; the length of the pressing sleeve 23 is not more than one half of the length of the inner sleeve 22, the lower end of the pressing sleeve 23 is provided with a plurality of first avoidance grooves 25 which are positioned on the inner wall and have openings at the lower end, the first avoidance grooves 25 are uniformly distributed at intervals in the circumferential direction, and the groove wall of each first avoidance groove 25 is provided with a second avoidance groove 26 which is positioned at the lower end and is communicated with each first avoidance groove 25 together.
The right end of the lower connecting rod 4 is provided with a lower flange.
The outer sleeve component 3 comprises a lower end cover 31 connected with the lower flange bolt, a cylindrical outer sleeve 32 positioned at the edge position and a cylindrical fixing column 33 coaxially arranged at the center are arranged on the upper end surface of the lower end cover 31 in a protruding mode, wherein an upward turning edge 34 protruding on the inner wall is arranged at the upper end opening of the outer sleeve 32, and the upward turning edge 34 is stopped above the annular shoulder 24; the top of the fixed column 33 is flush with or lower than the upper port of the outer sleeve 32, the fixed column 33 is rotatably inserted into the pressing sleeve 23, and a circular groove 35 positioned below the pressing sleeve 23 is formed on the cylindrical surface of the fixed column 33.
The pressing type elastic self-locking structure 5 and the expansion structure 6 below the pressing type elastic self-locking structure are arranged between the fixing column 33 and the inner sleeve 22.
The pressing type elastic self-locking structure 5 comprises a pressing sleeve 23 and an elastic claw 51 arranged in a first avoiding groove 25 at the lower end of the pressing sleeve, the upper end of the elastic claw 51 is integrally connected to the upper groove wall of the first avoiding groove 25, the rest part of the elastic claw downwardly overhangs, an inward-turning hook part is convexly arranged at the lower end of the elastic claw, the upper side of the hook part is a right-angled step surface, and the lower side of the hook part is in a taper shape. The elastic claws 51 are arranged corresponding to the first avoiding grooves 25 one by one, the outer side surfaces of the elastic claws 51 are provided with arc clamping grooves located at the positions of the second avoiding grooves 26, and the inner sides of the arc clamping grooves are connected with annular spring rings 52 which tightly hold the outer side surfaces of the elastic claws 51 and apply inward pressure to the elastic claws 51, so that the hook parts at the lower ends of the elastic claws 51 are always tightly attached to the cylindrical surfaces of the fixed columns 33 or embedded into the ring grooves 35. The lower end of the latch 51 is located in the first escape groove 25. The lower end of the pressing sleeve 23 is connected with a spring 53 in a propping manner, and an expansion structure 6 is arranged below the spring 53 in a propping and pushing fit manner. The expansion structure 6 comprises a sliding sleeve 61 which is sleeved outside the fixed column 33 in an empty mode and is positioned below the pressing sleeve 23, inner buckling claws and outer buckling claws 63 which are alternately and uniformly distributed in the circumferential direction are arranged between the sliding sleeve 61 and the fixed column 33, and shear pins or connecting columns (which are bonded on the cylindrical surface of the fixed column 33 and can be disconnected and bonded when being subjected to shear force) fixedly connected with the fixed column 33 are arranged at the upper ends of the inner buckling claws and the outer buckling claws 63. The outer buckling claw 63 is U-shaped, an opening faces the sliding sleeve 61, the abdomen is arranged on the cylindrical surface of the fixed column 33 in a sliding mode, the upper flange of the outer buckling claw 63 is connected in a notch formed in the upper end of the sliding sleeve 61 in a buckling mode, the lower flange plug bush is connected in an avoiding penetrating opening formed in the lower side of the sliding sleeve 61, and the end face of the lower flange is provided with sharp teeth which incline upwards; the outer convex side of the transition position of the lower flange and the abdomen is provided with a first matching inclined plane which inclines inwards. The interior claw of detaining also is the U-shaped, and the orientation is opposite with outer knot claw 63, and the opening slides towards fixed column 33, belly and sets up on sliding sleeve 61 inner wall, and the root of top flange is protruding to be equipped with the buckle and connects in the breach of sliding sleeve 61 upper end, and the terminal surface of bottom flange also is equipped with sharp tooth up, and the outer protruding side of bottom flange and belly transition position also is equipped with the second cooperation inclined plane of outwards sloping. A sliding ring 64 sleeved on the periphery of the fixed column 33 is arranged below the inner buckling claw and the outer buckling claw 63, an outer inverted wedge surface 65 matched with the first matching inclined plane and an inner inverted wedge surface 66 matched with the second matching inclined plane are arranged on the upper ring end surface of the sliding ring 64, and the sliding ring 64 is in empty sleeve matching with the sliding sleeve 61. An upper rubber sleeve 67, a middle rubber sleeve 68 and a lower rubber sleeve 69 which are sequentially sleeved on the periphery of the fixed column 33 from top to bottom are abutted against the lower part of the sliding ring 64, the upper rubber sleeve 67 and the lower rubber sleeve 69 are right-angled trapezoids with opposite ring end faces being inclined planes, the middle rubber sleeve 68 is an isosceles trapezoid with a large end facing the fixed column 33 and matched and complementarily overlapped between the upper rubber sleeve 67 and the lower rubber sleeve 69, and the hardness of the middle rubber sleeve 68 is smaller than that of the upper rubber sleeve 67 and the lower rubber sleeve 69.
An upper fit clearance, in which the hook portion of the latch 51 can be snapped into the annular groove 35, is provided between the upper end cover 21 and the outer sleeve 32, and a lower fit clearance, in which the hook portion of the latch 51 can be snapped into the annular groove 35, is also provided between the outer sleeve 32 and the lower end cover 31, and the upper fit clearance is larger than the lower fit clearance.
When the device is used, the horizontal angle adjusting device for the cable bridges is arranged between the two cable bridges, and after the angle between the two cable bridges is adjusted, the upper end cover 21 and the lower end cover 31 are pressed in opposite directions, so that the expansion structure 6 is expanded and fixed between the fixed column 33 and the inner sleeve 22, and the relative position between the two cable bridges is locked.
As an alternative embodiment, the pressing type elastic self-locking structure can also adopt a pressing type elastic self-locking mechanism at the tail part of a common ball pen, a pressing type elastic self-locking mechanism of a TF card and the like. The expansion structure can also adopt a common multi-elastic claw expansion sleeve, a rubber expansion sleeve and the like.
The above description is only about the preferred embodiment of the present invention, but it should not be understood as limiting the claims, and the present invention may be modified in other structures, not limited to the above structures. In general, all changes which come within the scope of the invention are intended to be embraced therein.
Claims (3)
1. The cable bridge horizontal angle adjusting device is characterized by comprising an outer sleeve and an inner sleeve which are respectively connected with a cable bridge and are mutually inserted and rotationally matched, wherein a fixed column sleeved in the inner sleeve is fixed at the center of the outer sleeve, a pressing type elastic self-locking structure which stretches along the axial direction of the fixed column is arranged between the fixed column and the inner sleeve, and the pressing type elastic self-locking structure is in transmission connection with an expansion structure which is pressed by the pressing type elastic self-locking structure to be in expansion connection between the fixed column and the inner sleeve;
the pressing type elastic self-locking structure comprises a pressing sleeve which is fixed in the inner sleeve and is rotatably sleeved outside the fixed column, and the pressing sleeve is provided with an elastic claw which is elastically buckled and pressed on the cylindrical surface of the fixed column along the radial direction of the fixed column and a spring which is connected along the axial direction of the fixed column in an abutting mode; the pressing elastic self-locking structure also comprises a ring groove arranged on the cylindrical surface of the fixed column, and the ring groove is positioned on the overhanging side of the elastic claw and is spaced from the elastic claw;
an upper end cover positioned above the outer sleeve is fixedly plugged at the upper end opening of the inner sleeve, a lower end cover positioned below the inner sleeve is fixedly plugged at the lower end opening of the outer sleeve, a fixed column is convexly arranged at the center of the lower end cover, a pressing sleeve is arranged at the lower side of the upper end cover, the elastic claw is positioned at the lower end of the pressing sleeve, and the annular groove is positioned below the elastic claw;
the expansion structure comprises a sliding sleeve which is sleeved on the periphery of the fixed column, an inner buckling claw and an outer buckling claw which are distributed in the circumferential direction in an alternating mode are arranged in the sliding sleeve, the upper end of the inner buckling claw and the upper end of the outer buckling claw are connected to the sliding sleeve in a buckling mode, the lower end of the sliding sleeve is matched with the same sliding ring, the upper ring end face of the sliding ring is provided with an inner inverted wedge face which is matched with the lower end of the inner buckling claw and used for inwards abutting against the lower end of the inner buckling claw, the lower ring end face of the sliding ring is provided with an outer inverted wedge face which is matched with the lower end of the outer buckling claw and used for outwards abutting against the outer buckling claw, and the lower end of the outer buckling claw is arranged in an avoiding penetrating hole formed in the sliding sleeve in a penetrating mode.
2. The cable bridge horizontal angle-adjusting device of claim 1, wherein the plurality of elastic claws are uniformly distributed in the circumferential direction, and the outer side surface of the overhanging end of each elastic claw is connected with a spring ring which clasps each elastic claw inwards.
3. The cable bridge horizontal angle adjusting device of claim 1, wherein the expansion structure further comprises an upper rubber sleeve, a middle rubber sleeve and a lower rubber sleeve which are sleeved on the fixed column and sequentially abut against the fixed column from top to bottom, the upper rubber sleeve and the lower rubber sleeve are right-angled trapezoids with opposite ring end faces being inclined planes, the middle rubber sleeve is an isosceles trapezoid with a large end facing the fixed column and matched and complementarily overlapped between the upper rubber sleeve and the lower rubber sleeve, and the hardness of the middle rubber sleeve is smaller than that of the upper rubber sleeve and the lower rubber sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110353212.8A CN113097945B (en) | 2021-04-01 | 2021-04-01 | Cable bridge horizontal angle adjusting device and method for adjusting angle by using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110353212.8A CN113097945B (en) | 2021-04-01 | 2021-04-01 | Cable bridge horizontal angle adjusting device and method for adjusting angle by using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113097945A CN113097945A (en) | 2021-07-09 |
| CN113097945B true CN113097945B (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110353212.8A Active CN113097945B (en) | 2021-04-01 | 2021-04-01 | Cable bridge horizontal angle adjusting device and method for adjusting angle by using same |
Country Status (1)
| Country | Link |
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| CN (1) | CN113097945B (en) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19926994C2 (en) * | 1999-06-08 | 2001-09-20 | Brose Fahrzeugteile | Adjustment device |
| JP6034068B2 (en) * | 2011-07-25 | 2016-11-30 | 日本電産サンキョー株式会社 | Eddy current pump device |
| CN203488523U (en) * | 2013-10-11 | 2014-03-19 | 中航飞机股份有限公司西安飞机分公司 | Dual-self-locking fastening piece |
| CN205790682U (en) * | 2016-06-29 | 2016-12-07 | 洛阳尹太科智能科技有限公司 | Quick wiring connector, electrode fast connector and electric supply installation |
| DE102017004911B3 (en) * | 2017-05-16 | 2018-05-30 | Aristotech Holding Gmbh | Coupling device for connecting prosthesis components via a self-locking clamping seat |
| CN107157030B (en) * | 2017-06-16 | 2020-12-22 | 福建晋江浔兴拉链科技有限公司 | Push type self-locking pull head |
| CN109956373A (en) * | 2017-12-14 | 2019-07-02 | 广州金发碳纤维新材料发展有限公司 | A kind of self-locking winding internal diameter conversion expansion set |
| CN109830396B (en) * | 2018-12-21 | 2023-12-29 | 宁波速普电子有限公司 | Embedded button self-locking mechanism |
| CN211117075U (en) * | 2019-09-16 | 2020-07-28 | 博世达科技发展有限公司 | Self-locking structure of lifting ring nut |
| CN111293643B (en) * | 2020-02-24 | 2020-08-28 | 江苏昶和电气有限公司 | Cable bridge suitable for multiple occasion |
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2021
- 2021-04-01 CN CN202110353212.8A patent/CN113097945B/en active Active
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| CN113097945A (en) | 2021-07-09 |
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