CN219809359U - Cable clamp for photovoltaic prestress cable structure - Google Patents
Cable clamp for photovoltaic prestress cable structure Download PDFInfo
- Publication number
- CN219809359U CN219809359U CN202223526668.9U CN202223526668U CN219809359U CN 219809359 U CN219809359 U CN 219809359U CN 202223526668 U CN202223526668 U CN 202223526668U CN 219809359 U CN219809359 U CN 219809359U
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- China
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- gasket
- clamp body
- fastening
- cable
- fastening bolt
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- 125000006850 spacer group Chemical group 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The utility model relates to a cable clamp for a photovoltaic prestressed cable structure, which comprises a body, wherein the body comprises an upper clamp body and a lower clamp body, the upper clamp body and the lower clamp body are respectively provided with bolt holes along the vertical direction, the two bolt holes are combined into a threaded channel, a fastening bolt component is arranged in the threaded channel and comprises a fastening bolt, the fastening bolt is inserted into the threaded channel, the tail end of the fastening bolt is in threaded connection with a fastening nut, a locking gasket is arranged between the fastening nut and the surface of the lower clamp body, the locking gasket comprises a first gasket and a second gasket, the inner end surfaces of the first gasket and the second gasket are respectively provided with radial wedge structures which are mutually embedded, the outer end surfaces of the first gasket and the second gasket are respectively provided with radial saw-tooth structures, the upper surface of the first gasket is provided with a baffle, two sides of the baffle close to one end of the center of the first gasket are respectively provided with a notch, and the baffle is turned over and is used for fixing the fastening nut.
Description
Technical Field
The utility model belongs to the technical field of photovoltaics, and relates to a cable clamp for a photovoltaic prestress cable structure.
Background
The scheme of the flexible photovoltaic bracket is that a rigid purline is changed into a steel strand to form a flexible rope structure, and a photovoltaic module is directly arranged on two module installation ropes. The existing flexible photovoltaic support is fully prestressed by two assemblies to bear the gravity of the photovoltaic assembly, the flexible photovoltaic support adopts a cable clamp to fix a prestressed cable, vibration and unbalanced load phenomena exist, a cable clamp bolt pair can be caused to loosen, fastening force is lost, and the cable clamp has insufficient anti-slip force, so that the problem of slip failure occurs. The cable clamp sliding failure can affect normal use of the installation cable, so that the whole photovoltaic module is safe from faults, the conventionally used bolt pair of the cable clamp does not have a loose-proof function, and the fastening force is easy to lose, so that the existing cable clamp is improved to have the loose-proof function.
Disclosure of Invention
The utility model aims to provide a cable clamp for a photovoltaic prestress cable structure, which solves the problems that the prior cable clamp uses a bolt pair, the bolt pair does not have a locking function, and the fastening force is easy to lose.
The technical scheme includes that the cable clamp for the photovoltaic prestress cable structure comprises a body, wherein the body comprises an upper clamp body and a lower clamp body, and the cable clamp is characterized in that the upper clamp body and the lower clamp body are respectively provided with a bolt hole along the vertical direction, the two bolt holes are combined into a threaded channel, a fastening bolt assembly is arranged in the threaded channel, the fastening bolt assembly comprises a fastening bolt, the fastening bolt is inserted into the threaded channel, the tail end of the fastening bolt is in threaded connection with a fastening nut, and a locking gasket is arranged between the fastening nut and the surface of the lower clamp body;
the anti-loosening gasket comprises a first gasket and a second gasket, radial wedge structures which are embedded with each other are respectively arranged on the inner end surfaces of the first gasket and the second gasket, radial saw tooth structures are respectively arranged on the outer end surfaces of the first gasket and the second gasket, a baffle is arranged on the upper surface of the first gasket, notches are respectively formed in two sides, close to one end of the center of the first gasket, of the baffle, and the baffle is turned up and used for fixing the fastening nut.
The utility model is also characterized in that:
the lower bottom surface of the upper clamp body is provided with a protruding limiting part, the upper surface of the lower clamp body is provided with a limiting groove, the limiting part is connected in a clamping way like the limiting groove, and the upper clamp body is connected with the lower clamp body in a jogging way through the limiting part.
The radial wedge structure of the first gasket has a rotation direction opposite to the rotation direction of the screw thread of the fastening bolt, and the radial wedge structure of the second gasket has a rotation direction identical to the rotation direction of the screw thread of the fastening bolt.
The lower clamp body is vertically provided with a thread groove, the opening part of the thread groove is a conical hole, the thread groove is communicated with the outlet of the bolt hole, the aperture of the thread groove is larger than that of the bolt hole, the fastening screw pipe is connected in the thread groove in a threaded manner, the fastening bolt sequentially penetrates through the upper clamp body, the lower clamp body and the fastening screw pipe inside the lower clamp body, and the tail end of the fastening bolt is in threaded connection with a locking gasket and a fastening nut.
The opening of the outlet end of the fastening screw tube is a conical hole, the outlet end is longitudinally provided with a plurality of open grooves, the open grooves are communicated with the conical hole, the side wall of the fastening screw tube between the adjacent open grooves is a spring plate, and the plurality of spring plates form the outlet end of the fastening screw tube.
The outer wall of the fastening nut is provided with inclined saw teeth, the baffle plate is turned upwards and covers the outer wall of the fastening nut, the inclined direction of the inclined saw teeth is opposite to the rotation direction of the fastening bolt, and the inclined saw teeth are contacted with the radial saw tooth structure to generate friction.
The beneficial effects of the utility model are as follows:
1. the fastening bolt component has a locking function, and can maintain the fastening force of the fastening bolt, so that the anti-slip performance of the whole cable clamp is ensured, and the sliding failure of the cable clamp is avoided.
2. The tightening screw tube and the thread groove are in tensioning connection, friction force between the tightening screw tube and the thread groove is increased, and the reaction force of the tightening screw tube on the tightening bolt ensures the tightening force of the tightening bolt.
Drawings
FIG. 1 is a schematic view of a cable clip for a photovoltaic pre-stressing cable structure in accordance with the present utility model;
FIG. 2 is a cross-sectional view of a body of a cable clip for a photovoltaic pre-stressed cable structure of the present utility model;
FIG. 3 is a front view of a looseness-preventing spacer of a cable clamp for a photovoltaic pre-stressing cable structure, in accordance with the present utility model;
FIG. 4 is a top view of a first spacer of a cord gripper for a photovoltaic pre-stressing cord structure in accordance with the present utility model;
in the figure, 1, a body, 1-1, an upper clamp body, 1-2, a lower clamp body, 2, a fastening bolt component, 2-1, a fastening bolt, 2-2, a fastening nut, 2-3, a fastening screw pipe, 2-4, an open slot, 2-5, a spring sheet, 2-6, inclined saw teeth, 3, a locking gasket, 3-1, a first gasket, 3-2, a first gasket, 3-3, a radial wedge structure, 3-4, a radial saw tooth structure, 3-5, a baffle, 3-6 and a notch,
Detailed Description
The utility model will be described in detail below with reference to the drawings and the detailed description.
The utility model relates to a cable clamp for a photovoltaic pre-stress cable structure, which is shown in figures 1 and 2, and comprises a body 1, wherein the body comprises an upper clamp body 1-1 and a lower clamp body 1-2, a rope guide groove is transversely formed between the upper clamp body 1-1 and the lower clamp body 1-2, a pre-stress cable penetrates through the body 1, and the pre-stress cable is arranged in the rope guide groove. The lower bottom surface of the upper clamp body 1-1 is provided with a protruding limiting part 1-3, the upper surface of the lower clamp body 1-2 is provided with a limiting groove, the limiting part 1-3 is connected in a clamping way like the limiting groove, and the upper clamp body 1-1 is connected with the lower clamp body 1-2 in a jogging way through the limiting part 1-3. When the cable clamp body 1 is installed, dislocation of the upper clamp body 1-1 and the lower clamp body 1-2 along the axial direction of the prestress cable can be prevented, and meanwhile, the outer layer steel wire of the prestress cable can be tightly bound in the cable clamp body 1.
Bolt holes are formed in the upper clamp body 1-1 and the lower clamp body 1-2 in the vertical direction, a threaded channel is formed by combining the two bolt holes, a fastening bolt component 2 is arranged in the threaded channel, the fastening bolt component 2 comprises a fastening bolt 2-1, the fastening bolt 2-1 is inserted into the threaded channel, the tail end of the fastening bolt 2-1 is in threaded connection with a fastening nut 2-2, and a locking gasket 3 is arranged between the fastening nut 2-2 and the surface of the lower clamp body 1-2.
The lower clamp body 1-2 is vertically provided with a thread groove, the opening part of the thread groove is a conical hole, the thread groove is communicated with the outlet of the bolt hole, the aperture of the thread groove is larger than that of the bolt hole, the fastening screw pipe 2-3 is connected in the thread groove in a threaded manner, the end part of the fastening bolt 2-1 sequentially penetrates through the upper clamp body 1-1, the lower clamp body 1-2 and the fastening screw pipe 2-3 in the lower clamp body 1-2, and the tail end of the fastening bolt 2-1 is in threaded connection with the anti-loose gasket 3 and the fastening nut 2-2.
The opening of the outlet end of the fastening screw tube 2-3 is a conical hole, a plurality of open slots 2-4 are longitudinally arranged at the outlet end, the open slots 2-4 are communicated with the conical hole, the side wall of the fastening screw tube 2-3 between the adjacent open slots 2-4 is a spring piece 2-5, and the plurality of spring pieces 2-5 form the outlet end of the fastening screw tube 2-3. The end of the fastening bolt 2-1 enters the outlet end of the fastening screw pipe 2-3, the fastening bolt 2-1 extrudes the elastic sheet 2-5, the elastic sheet 2-5 in a furled state is propped up by the end of the fastening bolt 2-1, the stretched elastic sheet 2-5 extrudes the inner wall of the thread groove of the lower clamp body 1-2, the combination tightness of the fastening screw pipe 2-3 and the thread groove is further maintained, the fastening screw pipe and the thread groove are in tension connection, the friction force between the fastening screw pipe and the thread groove is increased, and the reaction force of the fastening screw pipe to the fastening bolt ensures the fastening force of the fastening bolt.
As shown in fig. 3, the anti-loosening gasket 3 includes a first gasket 3-1 and a second gasket 3-2, wherein the inner end surfaces of the first gasket 3-1 and the second gasket 3-2 are respectively provided with radial wedge structures 3-3 which are mutually embedded, the radial wedge structures 3-3 of the first gasket 3-1 and the radial wedge structures 3-3 of the second gasket 3-2 are in matched connection, the mutual embedding is performed, and the displacement only occurs between the inner surfaces of the radial wedge structures 3-3, so that the increase of the fastening force is caused. The outer end surfaces of the first gasket 3-1 and the second gasket 3-2 are respectively provided with a radial sawtooth structure 3-4, the outer end surface of the first gasket 3-1 is set as a friction surface, and when the outer end surface of the first gasket 3-1 is connected with the fastening nut 2-2, the friction force of the contact surface is increased. The outer end surface of the second gasket 3-2 is provided with a radial sawtooth structure 3-4, namely the outer end surface of the second gasket 3-2 is set as a friction surface, so that the friction force of the contact surface of the second gasket 3-2 and the lower clamp body 1-2 is increased when the cable clamp body 1 is conveniently installed.
The radial wedge structure 3-3 of the first spacer 3-1 has a rotation direction opposite to the rotation direction of the screw thread of the fastening bolt 2-1, and the radial wedge structure 3-3 of the second spacer 3-2 has a rotation direction identical to the rotation direction of the screw thread of the fastening bolt 2-1. The arrangement of the three rotation directions considers the mutual movement trend among the three rotation directions, and aims to increase the fastening force of the bolt pair 2 in the rotation process, further effectively prevent the loosening of the bolt pair 2 and achieve the effects of self locking and looseness prevention.
As shown in fig. 4, a baffle 3-5 is disposed on the upper surface of the first spacer 3-1, and notches 3-6 are formed on two sides of the baffle 3-5, which are close to one end of the center of the first spacer 3-1, so that after the fastening nut 2-2 is installed, the two baffles 3-5 are turned up conveniently, and the fastening nut 2-2 is fixed by using the baffles 3-5. Moreover, the outer wall of the fastening nut 2-2 is provided with inclined sawteeth 2-6, the baffle plate 3-5 is turned upwards and covers the outer wall of the fastening nut 2-2, the inclined direction of the inclined sawteeth 2-6 is opposite to the rotation direction of the fastening bolt 2-1, and the inclined sawteeth 2-6 are contacted with the radial sawteeth 3-4 to generate friction, so that the stability of the fastening nut 2-2 after being installed is ensured.
The utility model relates to a cable clamp for a photovoltaic prestress cable structure, which comprises the following working processes:
when a user performs rope laying, the rope clamp is firstly installed on the photovoltaic bracket, the steel stranded wires penetrate through the rope grooves, and the upper clamp body 1-1 and the lower clamp body 1-2 are connected in a vertically staggered embedded mode. Then the stud bolts 2-1 are longitudinally inserted into the threaded channels, and two sides are fixed by the adjusting nuts 2-2.
When the end part of the fastening bolt 2-1 enters the conical hole, as the elastic sheet 2-5 at the outlet end is in a furled state, the elastic sheet 2-5 can push the elastic sheet 2-5 at the outlet end by means of the end part of the fastening bolt 2-1 to expand radially, so that the outer wall surface of the elastic sheet 2-5 can be fastened on the inner wall of the thread groove of the lower clamp body 1-2, the fastening screw pipe is in tension connection with the thread groove to increase the friction force between the fastening screw pipe and the thread groove, and the combination tightness of the fastening screw pipe 2-3 and the thread groove is further maintained.
The utility model relates to a cable clamp for a photovoltaic prestress cable structure, which has the advantages that:
the fastening bolt with the anti-loosening function is provided with the fastening nut for tightening one end of the fastening bolt, the radial saw tooth structures of the outer end surfaces of the first gasket and the second gasket are respectively meshed with the surfaces of the nut and the cable clamp, the friction force of the contact surface is increased, and relative sliding is avoided.
Claims (6)
1. The cable clamp for the photovoltaic prestress cable structure comprises a body (1), wherein the body comprises an upper clamp body (1-1) and a lower clamp body (1-2), and is characterized in that bolt holes are formed in the upper clamp body (1-1) and the lower clamp body (1-2) along the vertical direction, two bolt holes are combined into a threaded channel, a fastening bolt component (2) is arranged in the threaded channel, the fastening bolt component (2) comprises a fastening bolt (2-1), the fastening bolt (2-1) is inserted into the threaded channel, the tail end of the fastening bolt (2-1) is connected with a fastening nut (2-2) in a threaded manner, and a locking gasket (3) is arranged between the surfaces of the fastening nut (2-2) and the lower clamp body (1-2);
the anti-loosening gasket (3) comprises a first gasket (3-1) and a second gasket (3-2), radial wedge structures (3-3) which are embedded with each other are respectively arranged on the inner end surfaces of the first gasket (3-1) and the second gasket (3-2), radial saw tooth structures (3-4) are respectively arranged on the outer end surfaces of the first gasket (3-1) and the second gasket (3-2), a baffle (3-5) is arranged on the upper surface of the first gasket (3-1), notches (3-6) are respectively formed in two sides, close to one end of the center of the first gasket (3-1), of the baffle (3-5), and the baffle (3-5) is turned upwards and is used for fixing the fastening nut (2-2).
2. The cable clamp for the photovoltaic pre-stress cable structure according to claim 1, wherein a protruding limiting part (1-3) is arranged on the lower bottom surface of the upper clamp body (1-1), a limiting groove is arranged on the upper surface of the lower clamp body (1-2), the limiting part (1-3) is in clamping connection with the limiting groove, and the upper clamp body (1-1) is in embedded connection with the lower clamp body (1-2) through the limiting part (1-3).
3. A cable grip for a photovoltaic pre-stressing cable structure according to claim 1, characterized in that the radial wedge structure (3-3) of the first spacer (3-1) has a direction of rotation opposite to the direction of rotation of the screw thread of the fastening bolt (2-1), and that the radial wedge structure (3-3) of the second spacer (3-2) has a direction of rotation identical to the direction of rotation of the screw thread of the fastening bolt (2-1).
4. The cable clamp for the photovoltaic pre-stress cable structure according to claim 1, wherein the lower clamp body (1-2) is vertically provided with a thread groove, the opening part of the thread groove is a conical hole, the thread groove is communicated with the outlet of the bolt hole, the aperture of the thread groove is larger than that of the bolt hole, the screw groove is internally and in threaded connection with a fastening screw pipe (2-3), the fastening bolt (2-1) sequentially penetrates through the upper clamp body (1-1), the lower clamp body (1-2) and the fastening screw pipe (2-3) inside the lower clamp body (1-2), and the tail end of the fastening bolt (2-1) is in threaded connection with a locking gasket (3) and a fastening nut (2-2).
5. The cable clamp for the photovoltaic pre-stressing cable structure according to claim 4, characterized in that an opening of an outlet end of the fastening screw tube (2-3) is a conical hole, a plurality of open slots (2-4) are longitudinally arranged at the outlet end, the open slots (2-4) are communicated with the conical hole, the side wall of the fastening screw tube (2-3) between adjacent open slots (2-4) is a spring piece (2-5), and a plurality of the spring pieces (2-5) form the outlet end of the fastening screw tube (2-3).
6. A cable clamp for a photovoltaic pre-stressing cable structure according to claim 1, characterized in that the outer wall of the fastening nut (2-2) is provided with inclined serrations (2-6), the baffle (3-5) is turned up and covers the outer wall of the fastening nut (2-2), the inclined serrations (2-6) are inclined in opposite directions to the rotation direction of the fastening bolt (2-1), and the inclined serrations (2-6) are in contact with the radial serrations (3-4) to generate friction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223526668.9U CN219809359U (en) | 2022-12-29 | 2022-12-29 | Cable clamp for photovoltaic prestress cable structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223526668.9U CN219809359U (en) | 2022-12-29 | 2022-12-29 | Cable clamp for photovoltaic prestress cable structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219809359U true CN219809359U (en) | 2023-10-10 |
Family
ID=88216067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223526668.9U Active CN219809359U (en) | 2022-12-29 | 2022-12-29 | Cable clamp for photovoltaic prestress cable structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219809359U (en) |
-
2022
- 2022-12-29 CN CN202223526668.9U patent/CN219809359U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |