CN211206823U - Cable path appearance performance evaluation device - Google Patents
Cable path appearance performance evaluation device Download PDFInfo
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- CN211206823U CN211206823U CN201922360082.1U CN201922360082U CN211206823U CN 211206823 U CN211206823 U CN 211206823U CN 201922360082 U CN201922360082 U CN 201922360082U CN 211206823 U CN211206823 U CN 211206823U
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- 238000011156 evaluation Methods 0.000 title claims abstract description 28
- 238000004891 communication Methods 0.000 claims abstract description 7
- 238000013016 damping Methods 0.000 claims description 32
- 238000000034 method Methods 0.000 claims description 21
- 230000003139 buffering effect Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 8
- 238000013508 migration Methods 0.000 abstract description 7
- 230000005012 migration Effects 0.000 abstract description 7
- 230000010354 integration Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000003745 diagnosis Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 244000261422 Lysimachia clethroides Species 0.000 description 2
- 238000009933 burial Methods 0.000 description 2
- 238000009421 internal insulation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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Abstract
The utility model belongs to the field of performance evaluation of power cable fault detection full-series instruments, in particular to a performance evaluation device of a cable path instrument, which comprises a support base, a vertical moving component arranged on the support base, a horizontal moving component rotatably arranged on the vertical moving component, an upper computer and a lower computer in communication connection with the upper computer, wherein the vertical moving component comprises a hydraulic system, a mast and an air spring; horizontal migration subassembly includes slip table module, horizontal adjustment board, camera, anchor clamps, perpendicular laser range finder, horizontal laser range finder, and the air spring is installed between mast and slip table module with certain contained angle, is equipped with the slider that removes about can following self slide rail on the slip table module, and the integration has camera, anchor clamps, perpendicular laser range finder, horizontal laser range finder on the slider, anchor clamps are used for fixed path appearance receiver. The utility model discloses the effectual operating condition who has simulated the path appearance and used has realized the degree of accuracy detection of path appearance level and buried depth.
Description
Technical Field
The utility model belongs to power cable fault detection full series instrument performance evaluation field, concretely relates to cable path appearance performance evaluation device.
Background
With the increase of power demand, power cable transmission is rapidly developed and becomes one of the basic forms of transmission of electric energy by a power grid. However, as power cables are widely used in power systems and their operation time is extended, the probability of failure of power cable lines is also gradually increased. According to data statistics, accidents such as fire, large-area power failure and the like caused by internal insulation defects of cables and defects of joint position manufacturing and mounting processes are hundreds to thousands of accidents every year. Because the cables are mostly laid in the tunnel or under the ground, the distance is long, the internal insulation defect is difficult to check, the outstanding problems of high failure rate, difficult positioning after failure, difficult maintenance and the like exist, the reliability of power transmission and distribution and power supply is seriously restricted, and the operation safety of a power system is threatened.
The power cable diagnosis and detection technology comprises power cable fault diagnosis, positioning and power cable state monitoring in power transmission. However, due to the concealment of the cable line and the complex variability of the fault testing field environment, how to accurately judge the cable direction and the fault position becomes a key for restricting the cable fault diagnosis technology.
At present, a cable path instrument is adopted in the industry to detect the direction and the buried position of a cable, a detection method is based on an electromagnetic induction principle, a power source is adopted as a transmitting device, alternating current (directly connected or induced) with a certain frequency is applied to a cable to be detected (as shown in figure 1), the current can generate a magnetic field around the cable (as shown in figure 2), and then a signal receiving device receives an electromagnetic signal generated by the alternating current, so that the direction and the buried position of the cable path are judged.
Due to the fact that manufacturers are multiple, technical routes are complicated, performance is uneven, the trend and the burial depth of the cable cannot be accurately judged, and judgment of key performance indexes of the cable is seriously influenced. Due to the lack of a feasible cable fault condition simulation method, the current research on a cable path instrument inspection method and a performance evaluation technology is still in a blank stage. Therefore, there is a strong need to develop relevant inspection techniques and devices to guide the inspection and evaluation work of cable routing instruments.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the problem that can't simulate cable fault operating mode and lack cable path appearance performance evaluation device at present, provide a cable path appearance performance evaluation device, can hover the optional position of cable path appearance receiver in the range of 0 ~ 1m of horizontal direction, 0 ~ 8m of vertical direction, through the relative position of adjustment cable path appearance receiver and cable, realize the inspection to cable path appearance horizontal path and cable buried depth measuring accuracy.
The utility model discloses a following technical scheme realizes:
a performance evaluation device for a cable path instrument comprises a support base, a vertical moving assembly arranged on the support base, a horizontal moving assembly rotatably arranged on the vertical moving assembly, an upper computer and a lower computer in communication connection with the upper computer, wherein the vertical moving assembly comprises a hydraulic system, a mast and an air spring, and the hydraulic system is used for driving the mast to move up and down; horizontal migration subassembly includes slip table module, horizontal adjustment board, camera, anchor clamps, perpendicular laser range finder, horizontal laser range finder, and the upper portion and the mast of horizontal adjustment board rotate to be connected, and the middle part and the slip table module of horizontal adjustment board rotate to be connected, and the air spring is installed between mast and slip table module with certain contained angle, are equipped with on the slip table module to follow the slider that self slide rail removed, and integrated on the slider has camera, anchor clamps, perpendicular laser range finder, horizontal laser range finder, anchor clamps are used for fixed path appearance receiver, the camera aims at the display screen of path appearance receiver, and with host computer communication connection, perpendicular laser range finder, horizontal laser range finder and next computer communication connection.
Furthermore, the supporting base comprises a supporting disc, a supporting screw rod, a chassis, a rotating leg and a rotating leg positioning pin, the four corners of the chassis are respectively rotatably provided with the rotating leg, one end of the rotating leg is rotatably connected with the chassis, the other end of the rotating leg is vertically provided with the supporting screw rod in a penetrating mode, and the bottom end of the supporting screw rod is connected with the supporting disc.
Furthermore, the supporting disk is connected with the supporting screw rod through a ball hinge.
Furthermore, two directional wheels and two universal wheels are arranged below the chassis.
Further, the vertical movement assembly further comprises an upper damping buffer piece arranged above the mast and a lower damping buffer piece positioned in the middle of the mast, and the upper damping buffer piece and the lower damping buffer piece are used for changing rigid impact of the sliding table module in the rotating process into flexible buffering.
Further, the vertical movement assembly further comprises an upper damping buffer piece arranged above the mast and a lower damping buffer piece positioned in the middle of the mast, and the upper damping buffer piece and the lower damping buffer piece are used for changing rigid impact of the sliding table module in the rotating process into flexible buffering.
Further, the vertical movement assembly further comprises an upper damping buffer piece arranged above the mast and a lower damping buffer piece positioned in the middle of the mast, and the upper damping buffer piece and the lower damping buffer piece are used for changing rigid impact of the sliding table module in the rotating process into flexible buffering.
Further, the vertical movement assembly further comprises an upper damping buffer piece arranged above the mast and a lower damping buffer piece positioned in the middle of the mast, and the upper damping buffer piece and the lower damping buffer piece are used for changing rigid impact of the sliding table module in the rotating process into flexible buffering.
Further, still be equipped with the level bar on the horizontal adjustment board, be equipped with tightly decides the bolt in the waist groove of horizontal adjustment board lower part, respectively have a seven style of calligraphy tight handle about the horizontal adjustment board lower part, the nut of the tight handle of seven style of calligraphy is fixed on the counter bore of mast, and the inside screw rod that is equipped with of the tight handle of seven style of calligraphy, the inside screw rod of the tight handle of seven style of calligraphy can push up the horizontal adjustment board and do the rotation of small angle around the peg during rotation, and the cooperation level bar is adjusted the slip table module to the level.
The utility model discloses the effectual operating condition who has simulated the path appearance and used is about to be moved to any point of certain within range two-dimensional plane by the path appearance, realizes for example through closed-loop control that the path appearance receiver hovers at any point of 0 ~ 1m scope of level and 0 ~ 8m scope of vertical direction, has realized the degree of accuracy detection of path appearance level and buried depth.
Drawings
FIG. 1 shows the magnetic induction at a point P around a DC conductor;
FIG. 2 is magnetic field strength around a cable;
fig. 3 is a schematic perspective view of the performance evaluation device of the cable path meter of the present invention;
fig. 4 is a side view of the performance evaluation device of the cable path instrument of the present invention;
fig. 5 is a front view of the performance evaluation device of the cable path instrument of the present invention;
fig. 6 is a front view of the horizontal adjustment plate of the present invention.
In the figure: 1-supporting disc, 2-supporting screw rod, 3-chassis, 4-rotating leg, 5-rotating leg positioning pin, 6-hydraulic system, 7-manual descending knob, 8-mast, 9-lower damping buffer piece, 10-gas spring, 11-seven-shaped tightening handle, 12-kidney slot, 13-self-locking positioning pin, 14-sliding table module, 15-level ruler, 16-horizontal adjusting plate, 17-upper damping buffer piece, 18-gooseneck tube, 19-camera, 20-clamp, 21-vertical laser range finder, 22-horizontal laser range finder, 23-level finder, 24-self-locking positioning hole, 25-crossed roller bearing, 26-hanging shaft, 27-sliding block and 28-guide rail.
Detailed Description
The following description will further explain embodiments of the present invention with reference to the drawings, and the detailed description does not limit the present invention.
Referring to fig. 3-5, an embodiment of the present invention provides a cable path instrument performance evaluation device, including the support base, locate the vertical migration subassembly of support base, rotate and locate the horizontal migration subassembly of vertical migration subassembly, the support base is used for providing the support for whole device, the vertical migration subassembly is used for driving to realize reciprocating by the detection path instrument receiver, the horizontal migration subassembly is used for driving the path instrument receiver and realizes moving about.
The supporting base comprises a supporting disc 1, a supporting screw rod 2, a chassis 3, a rotating leg 4 and a rotating leg positioning pin 5; the chassis 3 can be a cuboid structure, the four corners of chassis 3 are rotated respectively and are installed a commentaries on classics leg 4, the one end of commentaries on classics leg 4 with 3 rotations on the chassis are connected, and the other end is vertical to be worn to be equipped with supporting screw 2, and supporting screw 2's bottom is connected with support disc 1, is equipped with spirit level 23 on the chassis 3.
The supporting disk 1 and the supporting screw rod 2 are connected by a ball hinge, and three rotational degrees of freedom are arranged between the supporting disk and the supporting screw rod. The supporting disc 1 can be adapted to the outdoor ground with a certain gradient on one hand, and can increase the contact area with the ground and reduce the pressure on the other hand.
Four corners of the chassis 3 are connected with four rotating legs 4 through pin shafts, the rotating legs 4 only have one degree of freedom rotating relative to the pin shafts, two directional wheels and two universal wheels are arranged below the chassis 3, and the device can move through the directional wheels and the universal wheels. When the performance evaluation device moves and is stored, the rotating legs 4 are rotated to be parallel to the side faces of the chassis 3, and the rotating legs are fixed by the rotating leg positioning pins 5 and the parallel positioning holes in the chassis 3, so that the natural opening of the rotating legs caused by uneven road surfaces in the moving process is avoided, and the occupied space of the device is reduced. When the device passes through uneven sections, the support disc 1 must be high enough off the ground to prevent the support screw 2 from buckling or breaking. When the device works, the rotating legs 4 are unfolded and fixed by the rotating leg positioning pins 5 and the unfolding positioning holes in the chassis 3, so that the stability of the whole device is improved. The tail ends of the rotating legs 4 are matched with the supporting screw rods 2 through threads, the supporting screw rods 2 are rotated to adjust the height of each corner of the device chassis 3, and the leveling of the chassis 3 is completed by observing the gradienter 23 on the chassis 3.
The vertical moving assembly comprises a hydraulic system 6, a mast 8, an upper damping buffer member 17, a lower damping buffer member 9 and a gas spring 10; the hydraulic system 6 is arranged on the chassis 3, the mast 8 can be formed by connecting multiple sections in series, and the hydraulic system 6 in the chassis 3 provides power for the raising and lowering of the mast 8. The ascending and descending of the device are controlled by a circuit, the control system cannot work when the power supply is powered off, and the mast 8 can be lowered to the minimum by manually rotating the manual descending knob 7. The gas spring 10 is installed between the mast 8 and the slide table module 14 in the horizontal movement assembly at a certain angle, and is filled with gas of a certain pressure. In the process that the sliding table module 14 rotates to be horizontal, after the sliding table module 14 rotates clockwise for a certain angle, the sliding table module 14 can automatically and slowly rotate to be horizontal under the action of the gas spring 10. A damping bumper 17 is mounted above the mast 8 to reduce rigid shocks. In the process that the sliding table module 14 rotates to be perpendicular to the ground, after the sliding table module 14 rotates counterclockwise by a certain angle, the sliding table module 14 can automatically and slowly rotate to be perpendicular to the ground under the action of the gas spring 10. A lower damping bumper 9 is installed at the middle of the mast 8 to reduce the shock. Because the slip table module 14 has certain dead weight, the degree of labour in the operation process is greatly reduced to slip table module 14's autogiration. An upper damping buffer 17 and a lower damping buffer 9 are arranged on the mast 8, and rigid impact in the rotating process of the sliding table module 14 can be changed into flexible buffering.
The horizontal movement assembly comprises a seven-shaped tightening handle 11, a self-locking positioning pin 13, a sliding table module 14, a horizontal adjusting plate 16, a camera 19, a clamp 20, a vertical laser range finder 21 and a horizontal laser range finder 22. The upper part of the horizontal adjusting plate 16 is connected with the last section of the mast 8 by a hanging shaft 26, and the horizontal adjusting plate 16 can swing left and right around the hanging shaft 26. As shown in fig. 6, the middle portion of the horizontal adjustment plate 16 is connected to the slide table module 14 by a cross roller bearing 25, and the cross roller bearing 25 can bear both axial force and radial force. The slide table module 14 can rotate about the cross roller bearing 25.
When the device works, the sliding table module 14 is rotated to be horizontal, the self-locking positioning pin 13 (shown in figure 2) below the sliding table module 14 is inserted into the self-locking positioning hole 24 (shown in figure 6) in the horizontal adjusting plate 16, so that the sliding table module 14 and the horizontal adjusting plate 16 are vertically fixed, the self-locking positioning pin 13 is pulled out when the device is moved or stored, the sliding table module 14 is rotated to be vertical to the ground, the occupied space of the device is reduced, and the device is convenient to move and store in a narrow space. The long-term horizontal sliding table module 14 can reduce the straightness accuracy, and the rotation of the sliding table module 14 to the perpendicular to the ground is favorable for maintaining the straightness accuracy of the sliding table module 14.
The horizontal adjusting plate 16 is further provided with a horizontal ruler 15, the left and right sides of the lower portion of the horizontal adjusting plate 16 are respectively provided with a seven-shaped tightening handle 11, nuts of the seven-shaped tightening handles are fixed on counter bores of the mast 8, springs and screws are arranged inside the seven-shaped tightening handles 11, the screws inside the seven-shaped tightening handles 11 can push the horizontal adjusting plate 16 to rotate around the hanging shaft 26 in a small angle during rotation, the horizontal ruler 15 is observed while the seven-shaped tightening handles 11 are rotated, the sliding table module 14 can be adjusted to be horizontal, tightening bolts in a waist groove 12 in the lower portion of the horizontal adjusting plate 16 are screwed to fix the horizontal adjusting plate 16 after leveling is finished, and leveling of the sliding table module 14 is finished.
When the screw rod is pulled out along the axial direction of the screw rod, the seven-shaped fastening handle 11 is separated from the screw rod, and the screw rod cannot rotate when the handle 11 is rotated; when the handle 11 is not pulled out along the axial direction of the threaded rod, the handle 11 is clamped with the threaded rod, and the threaded rod and the handle rotate synchronously. After leveling, the handle is pulled out outwards and rotated to the downward direction, so that interference on rotation of the sliding table module 14 is avoided.
The sliding table module 14 is provided with a sliding block 27 capable of moving left and right along a self sliding rail 28, the sliding block 27 is integrated with a camera 19, a clamp 20, a vertical laser range finder 21 and a horizontal laser range finder 22 which can all move along with the sliding block 27, the camera 19 is flexibly connected with the sliding block 27 through a gooseneck 18, the position of the camera 19 can be adjusted, display information on a liquid crystal screen of a detected path instrument can be shot better, and a path instrument receiver is fixed on the sliding block 27 through the clamp 20 during use.
As shown in fig. 5, a long straight wire is placed on the ground of the middle projection point of the sliding table module 14 to simulate a cable buried underground, a pathfinder transmitter applies (directly connects) a signal current I with a certain frequency to a straight wire to be measured, an alternating current output end of the transmitter is connected with a wire B end, a wire a end is connected with a ground drill C, the current enters the ground drill C and flows back to a ground drill D, a current input end of the transmitter is connected with the ground drill D, and the current generates a magnetic field intensity as shown in fig. 2 around the cable.
When the device works, the rotating leg positioning pin 5 is upwards pulled out, the rotating leg 4 is opened to the maximum angle, as shown in figure 3, the rotating leg positioning pin 5 is loosened, the rotating leg positioning pin 5 is inserted into the unfolding positioning hole of the chassis 3 under the action of an internal spring, each supporting screw rod 2 is adjusted to be in the ground with wheels, the level gauge 23 on the chassis 3 is observed, and the chassis 3 is adjusted to be horizontal. When the device is moved or stored, the rotating leg positioning pin 5 is pulled out upwards, the rotating leg 4 is contracted to be parallel to the side face of the chassis 3, the rotating leg positioning pin 5 is loosened and inserted into a parallel positioning hole of the chassis 3, and the rotating leg 4 is fixed.
After the sliding table module 14 rotates clockwise by a certain angle, the sliding table module 14 automatically and slowly rotates to the horizontal position under the action of the gas spring 10. In the rotation process, the walking sliding table module 14 controls the speed, the impact on the upper damping buffer piece 17 is reduced, and after the sliding table module 14 rotates to be horizontal, the self-locking positioning pin is inserted 13 into the self-locking positioning hole 24 on the horizontal adjusting plate 16. When the sliding table module 14 is folded, the self-locking positioning pin 13 can be clamped due to the combined action of the air spring 10 and the clamp 20, the sliding table module 14 moves up and down, the position with smaller shearing force is found, the self-locking positioning pin 13 is pulled out, and the sliding table module 14 is rotated to be vertical to the ground.
And (3) loosening the fastening bolt in the waist groove 12, rotating the seven-shaped fastening handle 11 until the bubble in the level gauge 23 is observed to be in the central position, and then screwing the fastening bolt to fix the horizontal adjusting plate 16 and the mast 8.
The path instrument receiver is fixed on the sliding block 27 by using the clamp 20, the position and the burial depth of the long straight conducting wire can be determined by measuring the intensity and the distribution of the magnetic field of the path instrument receiver, and the horizontal deviation and the height of the path instrument receiver and the cable are displayed on the liquid crystal of the path instrument receiver through data processing.
The camera 19 is flexibly connected with the sliding block 27 through the gooseneck 18, the position of a lens of the camera 19 is adjusted to be aligned with a liquid crystal screen of the path instrument receiver, and the camera 19 transmits shot image data to a PC end upper computer in a WiFi mode and displays the shot image data on a PC window.
Under the drive of the stepping motor, the path instrument receiver can move along the sliding table module 14 in the X-axis direction; the hydraulic system 6 provides power for the rise of the mast 8, so that the path instrument receiver can move in the Y-axis direction; the hydraulic system 6 and the stepping motor are connected with an upper computer, the upper computer and the lower computer can communicate with each other, and closed-loop control over movement of the path instrument receiver X, Y in two directions is achieved through data processing.
Adopt the utility model discloses during to cable path appearance performance evaluation, concrete step is as follows:
setting the moving distance of a path instrument receiver along the sliding table module 14 (any value can be set in the range of 0-1 m), simulating the horizontal relative distance between a fault cable and a path instrument in an actual working condition, taking the position of a middle projection point of the sliding table module 14 as an initial position, measuring the moving distance of an X-axis direction relative to a laser baffle plate at the right side of the sliding table module 14 by a horizontal laser range finder 22, sending distance data to a lower computer, moving the path instrument to a position right above the fault cable identified by the path instrument, measuring the distance from the X-axis direction to the laser baffle plate at the right side of the sliding table module 14 again by the horizontal laser range finder 22, comparing the distance data with the distance data sent by the horizontal laser range finder 22 when the sliding table module 14 is at the middle projection point, and taking the difference value of the distance data and the distance data as the;
the relative position of a fault cable and a path instrument in the vertical direction in the actual working condition is simulated by setting the moving distance of a path instrument receiver in the vertical direction (any value can be set in the range of 0-8 m), the moving distance in the Y-axis direction is measured by a vertical laser range finder 21, height data is sent to a lower computer, the vertical distance from the fault cable detected by the path instrument is read by shooting a picture by a camera 19 and is compared with the height data sent by the vertical laser range finder 21, and the difference value of the two is the deviation value of the path instrument for ranging in the vertical direction;
and the upper computer displays the test data transmitted by the lower computer in the PC end, outputs a test report and prints the test report.
The utility model discloses the support disc 1 and the support screw 2 of device bottom adopt ball hinged joint, and commentaries on classics leg 4 can open and contract, and hydraulic system 6 is the 8 power that rise of mast at device middle part, and air spring 10 makes the automatic slow rotation of slip table module 14 to level or flagging, and the rigidity that upper and lower damping bolster (17, 9) received slip table module 14 simultaneously strikes to become the flexible impact. When the sliding table module 14 on the upper part of the device rotates to the horizontal position, the self-locking positioning pin 13 fixes the sliding table module with the horizontal adjusting plate 16 to realize self-locking; the seven-shaped tightening handle 17 at the lower part of the horizontal adjusting plate 16 can adjust the sliding table module 10 to the horizontal. The utility model discloses the effectual operating condition who has simulated the path appearance and used is about to be detected the path appearance and removes arbitrary point of certain within range two-dimensional plane, realizes for example through closed-loop control that the path appearance receiver hovers at arbitrary point of 0 ~ 1m scope of level and 0 ~ 8m scope of vertical direction, has realized the degree of accuracy detection of path appearance level and buried depth, and the device main part adopts aluminum alloy material to make, and weight is little, intensity is big.
The utility model discloses following beneficial effect has:
firstly, in order to realize the performance test of the cable path instrument, the utility model discloses a method of adjusting the relative position of the cable path receiver and the power cable simulates the process of searching the power cable by the cable path instrument in the process of detecting the cable fault, and the performance evaluation method greatly reduces the occupied area required by the performance evaluation device of the cable path instrument;
secondly, the mast can be lifted to a designated height during working, and can be lowered to the bottom during moving and storing, so that the occupied space is reduced, and the moving flexibility is increased; the sliding table module can rotate to a horizontal position during working and can rotate to a vertical ground during moving and storing, so that the straightness of the sliding table module is maintained, the occupied space is reduced, the moving flexibility is increased, the sliding table module has a certain self weight, and the labor intensity in the operation process is greatly reduced due to automatic rotation of the sliding table module; the rotating legs are unfolded and fixed when working, so that the stability of the equipment is improved when the equipment works, the rotating legs rotate to be parallel to the side surface of the chassis and fixed when the equipment is moved and stored, the occupied space is reduced, the moving flexibility is improved, and the natural opening of the rotating legs caused by uneven road surfaces in the moving process is avoided;
thirdly, the supporting disc and the supporting screw rod of the utility model are connected by adopting a ball hinge, and three rotational degrees of freedom of x, y and z are arranged between the supporting disc and the supporting screw rod, so that the utility model can adapt to the outdoor work ground with a certain gradient, increase the contact area with the ground and reduce the contact pressure;
fourthly, the sliding table module of the utility model rotates to the horizontal direction, and the self-locking positioning pin below the sliding table module is inserted into the self-locking positioning hole on the horizontal adjusting plate, so that the sliding table module is vertically fixed with the horizontal adjusting plate, and the self-locking function is realized;
fifth, the utility model discloses respectively have a seven style of calligraphy to tightly decide the handle about the horizontal adjustment board lower part, rotatory seven style of calligraphy tightly decides the handle, observes the horizon rule simultaneously, can adjust the level with the slip table module, will tighten the bolt in the waist groove of horizontal adjustment board below after the leveling is finished, fixed horizontal adjustment board and mast realize the function of slip table module leveling. The handle is outwards extracted after the leveling of the sliding table module is finished, and the handle is rotated downwards, so that interference on rotation of the sliding table module can be avoided. The height of each corner of the device chassis can be adjusted by rotating the supporting screw rod, and the leveling function of the chassis is realized by observing a level gauge on the chassis;
sixth, the utility model discloses install damping bolster, lower damping bolster on the mast, become the flexible buffering with the rigid shock of the rotatory in-process of slip table module.
Claims (9)
1. A cable path instrument performance evaluation device is characterized in that: the device comprises a support base, a vertical moving assembly arranged on the support base, a horizontal moving assembly rotatably arranged on the vertical moving assembly, an upper computer and a lower computer in communication connection with the upper computer, wherein the vertical moving assembly comprises a hydraulic system (6), a mast (8) and a gas spring (10), and the hydraulic system (6) is used for driving the mast (8) to move up and down; the horizontal moving assembly comprises a sliding table module (14), a horizontal adjusting plate (16), a camera (19), a clamp (20), a vertical laser range finder (21) and a horizontal laser range finder (22), wherein the upper part of the horizontal adjusting plate (16) is rotatably connected with a mast (8), the middle part of the horizontal adjusting plate (16) is rotatably connected with the sliding table module (14), an air spring (10) is installed between the mast (8) and the sliding table module (14) at a certain included angle, a sliding block (27) capable of moving left and right along a self sliding rail (28) is arranged on the sliding table module (14), the camera (19), the clamp (20), the vertical laser range finder (21) and the horizontal laser range finder (22) are integrated on the sliding block (27), the clamp (20) is used for fixing a path instrument receiver, the camera (19) is aligned with a display screen of the path instrument receiver and is in communication connection with an upper computer, the vertical laser range finder (21) and the horizontal laser range finder (22) are in communication connection with the lower computer.
2. The performance evaluation device of the cable path instrument according to claim 1, characterized in that: the supporting base comprises a supporting disc (1), a supporting screw rod (2), a chassis (3), rotating legs (4) and rotating leg positioning pins (5), the four corners of the chassis (3) are respectively rotatably provided with the rotating legs (4), one ends of the rotating legs (4) are rotatably connected with the chassis (3), the other ends of the rotating legs are vertically provided with the supporting screw rod (2) in a penetrating mode, and the bottom end of the supporting screw rod (2) is connected with the supporting disc (1).
3. The performance evaluation device of the cable path instrument according to claim 2, characterized in that: the supporting disc (1) is connected with the supporting screw rod (2) through a ball hinge.
4. The performance evaluation device of the cable path instrument according to claim 2, characterized in that: two directional wheels and two universal wheels are arranged below the chassis (3).
5. The performance evaluation device of the cable path instrument according to claim 1, characterized in that: the vertical movement assembly further comprises an upper damping buffer member (17) arranged above the mast (8) and a lower damping buffer member (9) located in the middle of the mast (8), and the upper damping buffer member (17) and the lower damping buffer member (9) are used for changing rigid impact of the sliding table module (14) in the rotating process into flexible buffering.
6. The performance evaluation device of the cable path instrument according to claim 1, characterized in that: the mast (8) is formed by connecting a plurality of sections in series, the upper part of the horizontal adjusting plate (16) is connected with the last section of the mast (8) by a hanging shaft (26), and the horizontal adjusting plate (16) can swing left and right around the hanging shaft (26).
7. The performance evaluation device of the cable path instrument according to claim 1, characterized in that: the middle part of the horizontal adjusting plate (16) is connected with the sliding table module (14) through a crossed roller bearing (25), and the sliding table module (14) can rotate around the crossed roller bearing (25).
8. The performance evaluation device of the cable path instrument according to claim 1, characterized in that: be equipped with auto-lock locating hole (24) on horizontal adjustment board (16), slip table module (14) rotate to the level after, auto-lock locating pin (13) of slip table module (14) below insert auto-lock locating hole (24) and make slip table module (14) and horizontal adjustment board (16) vertical fixation.
9. The performance evaluation device of the cable path instrument according to claim 1, characterized in that: still be equipped with spirit level (15) on horizontal adjustment board (16), be equipped with tight set bolt in waist groove (12) of horizontal adjustment board (16) lower part, respectively have a seven style of calligraphy tight set handle (11) about horizontal adjustment board (16) lower part, the nut of seven style of calligraphy tight set handle (11) is fixed on the counter bore of mast (8), seven style of calligraphy tight set handle (11) inside is equipped with the screw rod, and the inside screw rod of seven style of calligraphy tight set handle (11) can push up horizontal adjustment board (16) and do the rotation of small angle around hanging axle (26) during the rotation, and cooperation spirit level (15) are adjusted slip table module (14) to the level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922360082.1U CN211206823U (en) | 2019-12-24 | 2019-12-24 | Cable path appearance performance evaluation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922360082.1U CN211206823U (en) | 2019-12-24 | 2019-12-24 | Cable path appearance performance evaluation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211206823U true CN211206823U (en) | 2020-08-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113125169A (en) * | 2021-04-19 | 2021-07-16 | 奇瑞商用车（安徽）有限公司 | Vehicle-mounted wireless charging module performance test board and test method thereof |
| CN115839882A (en) * | 2023-02-21 | 2023-03-24 | 国网辽宁省电力有限公司 | Performance tester for light high-insulation composite material |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113125169A (en) * | 2021-04-19 | 2021-07-16 | 奇瑞商用车（安徽）有限公司 | Vehicle-mounted wireless charging module performance test board and test method thereof |
| CN115839882A (en) * | 2023-02-21 | 2023-03-24 | 国网辽宁省电力有限公司 | Performance tester for light high-insulation composite material |
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