CN115127902B - Power wire clamp strength testing device and testing method - Google Patents
Power wire clamp strength testing device and testing method Download PDFInfo
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- CN115127902B CN115127902B CN202211050837.8A CN202211050837A CN115127902B CN 115127902 B CN115127902 B CN 115127902B CN 202211050837 A CN202211050837 A CN 202211050837A CN 115127902 B CN115127902 B CN 115127902B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
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Abstract
The invention discloses a power wire clamp strength testing device and a testing method, and the device comprises a testing base, wherein a supporting column is arranged on the testing base, a top plate is arranged at the top of the supporting column, a cable fixing mechanism is arranged on the testing base, the cable fixing mechanism comprises a third telescopic rod arranged on a first adjusting plate, an installation frame is arranged at the top of the third telescopic rod, the installation frame is rotatably connected with the end part of the third telescopic rod, first installation shafts are symmetrically arranged in the installation frame, the first installation shafts are connected with a clip frame, the clip frame is connected with a fixing clamp, the fixing clamp is connected with a cable, and the device further comprises a transverse offset adjusting assembly and a span adjusting assembly; according to the invention, the strength test of the cable clamp under various transverse offsets is rapidly simulated through the structure, the endurance strength test can be carried out, the test data accuracy of the cable clamp is effectively improved, and the strength test of the cable clamp under multiple working conditions can be simulated.
Description
Technical Field
The invention relates to the technical field of power accessory testing, in particular to a device and a method for testing the strength of a power wire clamp.
Background
The power clamp is a clamp for fixing a wire on an insulator string of a linear tower, more cables can be used in a project for long-distance power transmission, high-voltage electric energy is transmitted to all over the country through the cables, the overhanging type power clamp plays a role in clamping the cables, and the cables have certain weight and are generally hung in the air for transmitting the wire to the high-voltage electric energy, so that the strength performance of the overhanging type power clamp is extremely important.
At present, the overhanging type power line clamp is fixed by screwing bolts in the strength test, but the existing power line clamp cannot perform multi-angle stress strength simulation test in the strength test, and cannot test the strength value of the power line clamp under different cable inclination angles according to the span change of a power line tower, so that the test is limited greatly.
Disclosure of Invention
The invention aims to provide a device and a method for testing the strength of a power wire clamp, which aim to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an electric power fastener strength test device, includes the test base, set up the support column on the test base, the top of support column is provided with the roof, be provided with first regulating plate on the test base, be provided with cable fixed establishment on the first regulating plate, cable fixed establishment is including setting up the third telescopic link on first regulating plate, the mounting bracket is installed at the top of third telescopic link, rotate between the tip of mounting bracket and third telescopic link and be connected, the symmetry is provided with installation axle I in the mounting bracket, installation axle I links to each other with returning the shape frame, install the installation axle I and return and rotate the installation between the shape frame, it links to each other with the fixation clamp to return the shape frame, be provided with the damping piece in the fixation clamp, the fixation clamp symmetry sets up, pass through bolted connection between the fixation clamp, with cable junction in the middle of the inside damping piece of fixation clamp, cable fixed establishment still includes lateral shifting adjusting part and span adjusting part, install the second regulating plate in the roof, the downside installation cable clamp of second regulating plate, cable clamp and cable fixed connection.
As a still further scheme of the invention: the lateral deviation adjusting assembly comprises a lateral deviation groove arranged on the testing base, the first adjusting plate and the lateral deviation groove are slidably mounted, the first adjusting plate is symmetrically arranged on two sides of the testing base, a second dragging plate is arranged on the side edge of the first adjusting plate, a second tail plate is arranged on the testing base, the second tail plate is symmetrically arranged on two sides of the first adjusting plate, a second telescopic rod is arranged between the second dragging plate and the second tail plate, the second telescopic rod is symmetrically arranged, and the lateral deviation adjusting assembly further comprises an auxiliary transverse moving unit.
As a still further scheme of the invention: the auxiliary transverse moving unit comprises side frames on two sides of a second adjusting plate, a fourth telescopic rod is arranged between each side frame and the top plate, the other two sides of the second adjusting plate are connected with the I-shaped frame, the second adjusting plate is installed between the I-shaped frame and the top plate in a sliding mode, and the I-shaped frame is fixedly connected with the top plate through a connecting bolt.
As a still further scheme of the invention: the span adjusting assembly comprises a longitudinal adjusting groove arranged on a first adjusting plate, a sliding block is installed in the longitudinal adjusting groove, a moving seat is arranged on the sliding block, a first dragging plate is arranged on the moving seat, a first tail plate is arranged at the end of the first adjusting plate, and a first telescopic rod is arranged between the first dragging plate and the first tail plate.
As a still further scheme of the invention: the improved structure of the testing device is characterized in that a testing groove is formed in the second adjusting plate, an upper moving plate and a lower moving plate are respectively arranged on two sides of the testing groove of the second adjusting plate, the upper moving plate is fixedly connected with the lower moving plate and is installed in a sliding mode with the testing groove, fixing grooves are formed in two sides of the testing groove, fixing bolts are arranged on the upper moving plate, and the upper moving plate and the lower moving plate are adjusted and fixed through the fixing bolts and the fixing grooves.
As a still further scheme of the invention: the bottom of the lower movable plate is provided with a second installation shaft, the second installation shaft is connected with a bent frame, the bent frame is fixedly connected with a rotating plate, the rotating plate is horizontally and rotatably installed between the bent frame and the second installation shaft, a vertical frame is arranged on the lower side of the rotating plate, a swing frame is vertically and rotatably installed on the vertical frame, a cable clamp is installed on the swing frame, the tail end of the swing frame is connected with a vertical panel, a guide pipe is arranged on the vertical panel, and a cable penetrates through the guide pipe and is fixedly installed between the cable clamp.
As a still further scheme of the invention: the roof is provided with intensity test mechanism between last movable plate, intensity test mechanism is including setting up the splint on the roof, be provided with the joint post on the splint, the downside of joint post and last movable plate is mutually supported the installation, splint symmetry sets up, be provided with the fifth telescopic link between the splint.
As a still further scheme of the invention: the upper moving plate is provided with sleeving columns, and sleeving springs are arranged between the sleeving columns.
As a still further scheme of the invention: the second mounting shaft is a threaded rod and is rotatably connected with the bent frame through a nut.
A testing method of a power wire clamp strength testing device comprises the following steps:
s1, installing a cable through a fixing clamp, a guide pipe and a cable clamp;
s2, adjusting and fixing the position of the first adjusting plate in the transverse offset groove, simulating the transverse offset of the cable, adjusting the position of the movable seat in the longitudinal adjusting groove, adjusting the height of the third telescopic rod, and simulating the vertical span sagging amount of the cable;
s3, the fifth telescopic rod is driven to move, the cable is tensioned and stressed, the strength test of the cable clamp is started, and the durability test of the cable clamp is realized through the mutual matching of the fixing bolt and the fixing groove during the test.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the invention, two ends of the cable are fixed through the cable fixing mechanism, so that the cable clamp is simulated to be clamped on the power tower to fix the cable, in reality, due to the fact that a larger distance exists between the power towers, the cable clamp is stressed to have a certain downward angle due to downward bending of the cable due to self weight in the cable erecting process, in order to simulate the downward bending angle of the cable, the cable is fixed through the third telescopic rod and the mounting frame which is rotatably mounted with the third telescopic rod and is combined with the fixing clamp, the other end of the cable is fixedly connected with the cable clamp, and the downward inclination angle of the cable due to gravity is simulated.
(2) The first adjusting plate is installed by arranging the transverse offset groove, the change of the erection angle of the cable after passing through the power tower can be simulated when the position of the first adjusting plate in the transverse offset groove is adjusted, and the installation strength of the cable clamp is simulated when the cables at two ends of the power tower are obtuse angles or even acute angles. The cable angle simulation device is characterized in that a longitudinal adjusting groove is formed in the first adjusting plate, and the first telescopic rod and the first dragging plate are matched to simulate the cable angle installed on the third telescopic rod.
(3) In order to further simplify the strength simulation test of the cable in the transverse installation offset, the second adjusting plate is combined with the I-shaped frame and the top plate to be installed in a sliding mode, the transverse offset is simulated and adjusted through the fourth telescopic rod, and the strength test of the cable clamp under various transverse offsets is simulated rapidly.
(4) In order to guarantee the installation stability of the cable clamp, the second adjusting plate is installed in a sliding mode through the upper moving plate and the lower moving plate in a matched mode with the test groove, meanwhile, fixing grooves are formed in the two sides of the test groove, the whole body formed by the upper moving plate and the lower moving plate is fixed through fixing bolts, and the fixed upper moving plate can be used for testing the endurance strength of the cable clamp. Specifically, the swing frame is rotatably installed on the vertical frame, the swing frame can be used for testing the angular deviation strength of the cable in all directions, bending installation between the cable and the cable clamp is avoided, and the testing accuracy is guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of a power line clamp strength testing device.
Fig. 2 is a schematic view of an installation structure of a cable in a power cable clamp strength testing device.
Fig. 3 is an enlarged schematic view of a portion a in fig. 2.
Fig. 4 is a schematic view of an installation structure of a cable clamp in a power clamp strength testing device.
Fig. 5 is a schematic view of an installation structure of a top plate and a second adjusting plate in the strength testing device for the power line clamp.
Fig. 6 is a schematic view illustrating the installation of a second adjusting plate and a clamping plate in the strength testing device of the power cable clamp.
Fig. 7 is a schematic view of a mounting structure of a fifth telescopic rod in the electric power wire clamp strength testing device.
Fig. 8 is a schematic structural diagram of a test base in the electric power wire clamp strength testing device.
In the figure: the testing device comprises a testing base 1, a first adjusting plate 2, a longitudinal adjusting groove 20, a moving seat 21, a first telescopic rod 3, a first dragging plate 30, a first tail plate 31, a second telescopic rod 4, a second dragging plate 40, a second tail plate 41, a transverse offset groove 42, a third telescopic rod 5, a mounting frame 6, a rotating block 60, a first installation shaft 61, a first 7 cable fixing mechanism, a cable 8, a 9 support column 10, a top plate 10, a second adjusting plate 11, an upper moving plate 12, a sleeving connection column 120, a sleeving connection column 121, a spring 122, a fixing bolt 13, a clamping plate 130, a clamping connection column 131, a fifth telescopic rod 14, a lower moving plate 71, a fixing clamp 72, a damping block 73, an I-shaped frame 110, a connecting bolt 111, a testing groove 112, a fixing groove 113, a side frame 114, a fourth telescopic rod 115, a rotating plate 140, a cable bending frame 1401, a second installation shaft 1402, a vertical frame 141, a swinging frame 142, a vertical panel 143, a guide pipe 144 and a wire clamp.
Detailed Description
In the description of the present invention, it is to be understood that the terms "longitudinal," "lateral," "upper," "lower," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings only for the convenience of description and simplicity of description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed in a particular orientation, and be constructed in a particular manner of operation, and thus are not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Example 1:
as shown in fig. 1, fig. 2, fig. 3, fig. 8, an electric power fastener strength testing device, includes test base 1, test base 1 is last to set up support column 9, the top of support column 9 is provided with roof 10, test base 1 is last to be provided with first regulating plate 2, be provided with cable fixing mechanism 7 on the first regulating plate 2, cable fixing mechanism 7 is including setting up the third telescopic link 5 on first regulating plate 2, mounting bracket 6 is installed at the top of third telescopic link 5, rotate between the tip of mounting bracket 6 and third telescopic link 5 and be connected, the symmetry is provided with installation axle 61 in the mounting bracket 6, installation axle 61 links to each other with time shape frame 71, install the installation axle 61 and rotate the installation between the shape frame 71, time shape frame 71 links to each other with fixation clamp 72, be provided with damping piece 73 in the fixation clamp 72, fixation clamp 72 symmetry sets up, pass through bolted connection between the fixation clamp 72, be connected with cable 8 in the middle of the damping piece 73 of fixation clamp 72 inside, fixation mechanism 7 still includes lateral deviation adjusting part and span adjusting part, install second regulating plate 10 in, second regulating plate 11, cable fixing clamp 146 is connected with cable fixing plate 11, cable fixing clamp downside 146.
It is specific, through cable fixed establishment 7, both ends to the cable are fixed, thereby simulation cable clamp 146 is fixed to cable 8 on the power tower, in the reality because there is great interval between the power tower, 8 framves the in-process because of dead weight downwarping of cable, lead to cable clamp 146 atress to have certain decurrent angle, for simulation cable 8 downwarping angle, through third telescopic link 5 and with the mounting bracket 6 combination fixation clamp 72 of 5 rotation installations of third telescopic link to fix cable 8, cable 8's the other end and cable clamp 146 between fixed connection, simulation cable 8 is because of the angle of gravity downward sloping.
As shown in fig. 8, the lateral deviation adjusting assembly includes a lateral deviation slot 42 disposed on the testing base 1, the first adjusting plate 2 and the lateral deviation slot 42 are slidably mounted, the first adjusting plate 2 is symmetrically disposed on two sides of the testing base 1, a second dragging plate 40 is disposed on a side of the first adjusting plate 2, a second tail plate 41 is disposed on the testing base 1, the second tail plate 41 is symmetrically disposed on two sides of the first adjusting plate 2, a second telescopic rod 4 is disposed between the second dragging plate 40 and the second tail plate 41, the second telescopic rod 4 is symmetrically disposed, and the lateral deviation adjusting assembly further includes an auxiliary transverse moving unit.
Specifically, the first adjusting plate 2 is installed by arranging the transverse offset groove 42, and the change of the erection angle of the cable 8 after passing through the power tower can be simulated when the position of the first adjusting plate 2 in the transverse offset groove 42 is adjusted, so that the installation strength of the cable clamp 146 is simulated when the cables 8 at two ends of the power tower are obtuse angles or even acute angles.
As a still further scheme of the invention: span adjusting part is including setting up vertical adjustment tank 20 on first regulating plate 2, install the slider in vertical adjustment tank 20, be provided with on the slider and remove seat 21, it drags the board 30 to be provided with first on the seat 21 to remove, the tip of first regulating plate 2 is provided with first tailboard 31, be provided with first telescopic link 3 between first dragging board 30 and the first tailboard 31.
Specifically, the angle simulation of the cable 8 attached to the third telescopic link 5 is performed by providing the longitudinal adjustment groove 20 in the first adjustment plate 2 and by fitting the first telescopic link 3 and the first dragging plate 30.
Example 2:
in this embodiment, based on embodiment 1, with reference to fig. 5, the auxiliary traverse unit includes side frames 114 on both sides of the second adjusting plate 11, a fourth telescopic rod 115 is disposed between the side frames 114 and the top plate 10, the other two sides of the second adjusting plate 11 are connected to an i-shaped frame 110, the second adjusting plate 11 is slidably mounted between the i-shaped frame 110 and the top plate 10, and the i-shaped frame 110 is fixedly connected to the top plate 10 through a connecting bolt 111.
Specifically, in order to further simplify the strength simulation test of the cable 8 in the occurrence of the transverse installation offset, the second adjusting plate 11 is slidably installed between the i-shaped frame 110 and the top plate 10, the transverse offset is simulated and adjusted through the fourth telescopic rod 115, and the strength test of the cable clamp 146 in various transverse offsets is rapidly simulated.
Example 3:
in this embodiment, based on embodiment 1, as shown in fig. 2, 4 and 6, a test slot 112 is provided on the second adjusting plate 11, the second adjusting plate 11 is provided with an upper moving plate 12 and a lower moving plate 14 on two sides of the test slot 112, the upper moving plate 12 and the lower moving plate 14 are fixedly connected and slidably mounted with the test slot 112, fixing grooves 113 are provided on two sides of the test slot 112, fixing bolts 122 are provided on the upper moving plate 12, and the upper moving plate 12 and the lower moving plate 14 are adjusted and fixed by the fixing bolts 122 and the fixing grooves 113.
Specifically, in order to ensure the installation stability of the cable clamp 146, the second adjusting plate 11 is slidably installed by the upper moving plate 12 and the lower moving plate 14 in cooperation with the test slot 112, meanwhile, fixing slots 113 are formed in two sides of the test slot 112, the whole body formed by the upper moving plate 12 and the lower moving plate 14 is fixed by the fixing bolts 122, and the fixed upper moving plate 12 can be used for testing the endurance strength of the cable clamp 146.
As shown in fig. 4, a second installation shaft 1402 is disposed at the bottom of the lower moving plate 14, the second installation shaft 1402 is connected to a curved frame 1401, the curved frame 1401 is fixedly connected to the rotating plate 140, the rotating plate 140 is horizontally and rotatably installed between the curved frame 1401 and the second installation shaft 1402, a vertical frame 141 is disposed at the lower side of the rotating plate 140, a swing frame 142 is vertically and rotatably installed on the vertical frame 141, a cable clamp 146 is installed on the swing frame 142, a vertical panel 143 is connected to the end of the swing frame 142, a guide tube 144 is disposed on the vertical panel 143, and the cable 8 is fixedly installed through the guide tube 144 and the cable clamp 146.
Specifically, the swing frame 142 is rotatably mounted on the vertical frame 141, and the swing frame 142 can be used for testing the angular deviation strength of the cable 8 in all directions, so that the bending mounting between the cable 8 and the cable clamp 146 is avoided, and the testing accuracy is ensured.
As shown in fig. 4, the top plate 10 is provided with an intensity testing mechanism between the upper moving plates 12, the intensity testing mechanism includes a clamping plate 13 arranged on the top plate 10, a clamping column 130 is arranged on the clamping plate 13, the clamping column 130 is matched with the lower side of the upper moving plate 12, the clamping plate 13 is symmetrically arranged, and a fifth telescopic rod 131 is arranged between the clamping plate 13.
Specifically, through the downside cooperation installation joint post 130 of last movable plate 12, combine joint post 130 to drive and go up movable plate 12 and remove to carry out the reinforcement strength test to the cable 8 of bottom installation.
As a still further scheme of the invention: the upper moving plate 12 is provided with sleeving columns 120, and sleeving springs 121 are arranged between the sleeving columns 120.
As a still further scheme of the invention: the second mounting shaft 1402 is a threaded rod, and the second mounting shaft 1402 is rotatably connected with the bent frame 1401 through a nut.
A testing method of a power wire clamp strength testing device comprises the following steps:
s1, installing the cable 8 through the fixing clamp 72, the guide tube 144 and the cable clamp 146;
s2, adjusting and fixing the position of the first adjusting plate 2 in the transverse offset groove 42, simulating the transverse offset of the cable 8, adjusting the position of the movable seat 21 in the longitudinal adjusting groove 20, adjusting the height of the third telescopic rod 5, and simulating the sagging amount of the longitudinal span of the cable 8;
and S3, driving the fifth telescopic rod 131 to move, tensioning and stressing the cable 8, starting a strength test of the cable clamp 146, and realizing a durability test of the cable clamp 146 through the mutual matching of the fixing bolt 122 and the fixing groove 113 during the test.
The working principle of the embodiment of the invention is as follows:
as shown in fig. 1-8, through cable fixing mechanism 7, fix the both ends of cable, thereby simulation cable clamp 146 is fixed to cable 8 on the power tower, in reality because there is great interval between the power tower, cable 8 erects the in-process because of dead weight downwarping, lead to cable clamp 146 atress to have certain downward angle, in order to simulate cable 8 downwarping angle, combine fixation clamp 72 to fix cable 8 through third telescopic link 5 and with third telescopic link 5 rotation installation's mounting bracket 6, fixed connection between cable 8's the other end and the cable clamp 146, simulation cable 8 is because of the angle of gravity downward sloping. The first adjusting plate 2 is installed by arranging the transverse offset groove 42, the change of the erection angle of the cable 8 after passing through the power tower can be simulated when the position of the first adjusting plate 2 in the transverse offset groove 42 is adjusted, and the installation strength of the cable clamp 146 is simulated when the cables 8 at two ends of the power tower are obtuse angles or even acute angles. The angle simulation of the cable 8 attached to the third telescopic link 5 is performed by providing the longitudinal direction adjustment groove 20 in the first adjustment plate 2 and fitting the first telescopic link 3 and the first dragging plate 30. In order to further simplify the strength simulation test of the cable 8 in the occurrence of transverse installation offset, the second adjusting plate 11 is slidably installed between the i-shaped frame 110 and the top plate 10, the transverse offset is simulated and adjusted through the fourth telescopic rod 115, and the strength test of the cable clamp 146 in various transverse offsets is rapidly simulated. In order to ensure the installation stability of the cable clamp 146, the second adjusting plate 11 is slidably installed by the upper moving plate 12 and the lower moving plate 14 in cooperation with the test slot 112, meanwhile, fixing slots 113 are formed in two sides of the test slot 112, the whole body formed by the upper moving plate 12 and the lower moving plate 14 is fixed through the fixing bolts 122, and the fixed upper moving plate 12 can perform a endurance strength test on the cable clamp 146. The swing frame 142 is rotatably mounted on the vertical frame 141, and the swing frame 142 can be used for testing the angular deviation strength of the cable 8 in all directions, so that the bending mounting between the cable 8 and the cable clamp 146 is avoided, and the testing accuracy is ensured. The clamping column 130 is installed on the lower side of the upper moving plate 12 in a matched mode, and the clamping column 130 is combined to drive the upper moving plate 12 to move, so that the stress application strength test is conducted on the cable 8 installed at the bottom.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (10)
1. The utility model provides a power wire clamp strength testing device, includes test base (1), set up support column (9) on test base (1), the top of support column (9) is provided with roof (10), its characterized in that, be provided with first regulating plate (2) on test base (1), be provided with cable fixed establishment (7) on first regulating plate (2), cable fixed establishment (7) are including setting up third telescopic link (5) on first regulating plate (2), mounting bracket (6) are installed to the top of third telescopic link (5), rotate between the tip of mounting bracket (6) and third telescopic link (5) and be connected, mounting bracket (6) internal symmetry is provided with installation axle one (61), installation axle one (61) links to each other with time shape frame (71), install axle one (61) and return and rotate the installation between shape frame (71), it links to return shape frame (71) and fixation clamp (72), be provided with in the fixation clamp (72) and be provided with damping piece (73), fixation clamp (72) symmetry sets up, pass through bolted connection between fixation clamp (72), the inside fixation clamp (72) of fixation clamp (72) still include the skew adjusting part (7) and cable adjusting mechanism (7) and still include damping span adjusting mechanism, install second regulating plate (11) in roof (10), cable clamp (146) are installed to the downside of second regulating plate (11), cable clamp (146) and cable (8) fixed connection.
2. The electric wire clamp strength testing device according to claim 1, wherein the transverse deviation adjusting assembly comprises a transverse deviation groove (42) arranged on the testing base (1), the first adjusting plate (2) and the transverse deviation groove (42) are slidably mounted, the first adjusting plate (2) is symmetrically arranged on two sides of the testing base (1), a second dragging plate (40) is arranged on one side of the first adjusting plate (2), a second tail plate (41) is arranged on the testing base (1), the second tail plate (41) is symmetrically arranged on two sides of the first adjusting plate (2), a second telescopic rod (4) is arranged between the second dragging plate (40) and the second tail plate (41), the second telescopic rod (4) is symmetrically arranged, and the transverse deviation adjusting assembly further comprises an auxiliary transverse moving unit.
3. The electric wire clamp strength testing device as claimed in claim 2, wherein the auxiliary traverse unit comprises side frames (114) at two sides of the second adjusting plate (11), a fourth telescopic rod (115) is arranged between the side frames (114) and the top plate (10), the other two sides of the second adjusting plate (11) are connected with an I-shaped frame (110), the second adjusting plate (11) is slidably mounted between the I-shaped frame (110) and the top plate (10), and the I-shaped frame (110) is fixedly connected with the top plate (10) through a connecting bolt (111).
4. The electric wire clamp strength testing device according to claim 1, wherein the span adjusting assembly comprises a longitudinal adjusting groove (20) formed in the first adjusting plate (2), a sliding block is installed in the longitudinal adjusting groove (20), a moving seat (21) is arranged on the sliding block, a first dragging plate (30) is arranged on the moving seat (21), a first tail plate (31) is arranged at an end of the first adjusting plate (2), and a first telescopic rod (3) is arranged between the first dragging plate (30) and the first tail plate (31).
5. The electric wire clamp strength testing device according to claim 4, wherein a test slot (112) is arranged on the second adjusting plate (11), an upper moving plate (12) and a lower moving plate (14) are respectively arranged on two sides of the test slot (112) of the second adjusting plate (11), the upper moving plate (12) is fixedly connected with the lower moving plate (14) and is slidably mounted with the test slot (112), fixing grooves (113) are arranged on two sides of the test slot (112), fixing bolts (122) are arranged on the upper moving plate (12), and the upper moving plate (12) and the lower moving plate (14) are adjusted and fixed through the fixing bolts (122) and the fixing grooves (113).
6. The electric wire clamp strength testing device according to claim 5, wherein a second mounting shaft (1402) is arranged at the bottom of the lower moving plate (14), the second mounting shaft (1402) is connected with a bent frame (1401), the bent frame (1401) is fixedly connected with a rotating plate (140), the rotating plate (140) is horizontally and rotatably mounted between the bent frame (1401) and the second mounting shaft (1402), a vertical frame (141) is arranged at the lower side of the rotating plate (140), a swinging frame (142) is vertically and rotatably mounted on the vertical frame (141), a cable clamp (146) is mounted on the swinging frame (142), a vertical panel (143) is connected to the tail end of the swinging frame (142), a guide pipe (144) is arranged on the vertical panel (143), and the cable (8) passes through the guide pipe (144) and is fixedly mounted between the cable clamp (146).
7. The electric wire clamp strength testing device according to claim 1, wherein the top plate (10) is provided with a strength testing mechanism between the upper moving plates (12), the strength testing mechanism comprises clamping plates (13) arranged on the top plate (10), clamping columns (130) are arranged on the clamping plates (13), the clamping columns (130) are matched with the lower sides of the upper moving plates (12) to be installed, the clamping plates (13) are symmetrically arranged, and fifth telescopic rods (131) are arranged between the clamping plates (13).
8. The electric wire clamp strength testing device as claimed in claim 7, wherein the upper moving plate (12) is provided with sleeving columns (120), and sleeving springs (121) are arranged between the sleeving columns (120).
9. The electric power wire clamp strength testing device as claimed in claim 6, wherein the second mounting shaft (1402) is a threaded rod, and the second mounting shaft (1402) is rotatably connected with the bent frame (1401) through a nut.
10. A method of testing a power clamp strength testing apparatus according to any one of claims 1 to 9, comprising the steps of:
s1, installing a cable (8) through a fixing clamp (72), a guide pipe (144) and a cable clamp (146);
s2, adjusting and fixing the position of the first adjusting plate (2) in the transverse offset groove (42), simulating the transverse offset of the cable (8), adjusting the position of the moving seat (21) in the longitudinal adjusting groove (20), adjusting the height of the third telescopic rod (5), and simulating the vertical span sagging amount of the cable (8);
s3, the fifth telescopic rod (131) is driven to move, the cable (8) is tensioned and stressed, the strength test of the cable clamp (146) is started, and the durability test of the cable clamp (146) is realized through the mutual matching of the fixing bolt (122) and the fixing groove (113) during the test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211050837.8A CN115127902B (en) | 2022-08-31 | 2022-08-31 | Power wire clamp strength testing device and testing method |
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| CN115839882B (en) * | 2023-02-21 | 2023-05-16 | 国网辽宁省电力有限公司 | Performance tester for light high-insulation composite material |
| CN116879028B (en) * | 2023-09-07 | 2023-11-07 | 淄博阔泰绝缘子有限公司 | Multi-angle intensity detection device for insulator |
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