CN112582950B - Cable fixing and protecting experimental device - Google Patents
Cable fixing and protecting experimental device Download PDFInfo
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- CN112582950B CN112582950B CN202011357199.5A CN202011357199A CN112582950B CN 112582950 B CN112582950 B CN 112582950B CN 202011357199 A CN202011357199 A CN 202011357199A CN 112582950 B CN112582950 B CN 112582950B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0028—Force sensors associated with force applying means
- G01L5/0042—Force sensors associated with force applying means applying a torque
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0406—Details thereof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0437—Channels
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/04—Protective tubing or conduits, e.g. cable ladders or cable troughs
- H02G3/0456—Ladders or other supports
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a cable fixing and protecting experimental device in the technical field of electric power, which comprises an underframe, wherein a connecting plate is fixed on the underframe, the connecting plate is connected with a plurality of mounting seats arranged at intervals in the left and right directions, two adjusting frames arranged at intervals in the front and back directions are respectively connected between two adjacent mounting seats, between the mounting seat at the outer end and the inner wall of the underframe in a lifting manner, two horizontally movable test seats arranged at intervals in the front and back directions are also connected between two adjacent mounting seats and between the mounting seat at the outer end and the inner wall of the underframe, and a detection assembly for detecting whether a cable is twisted is connected on each test seat; the invention can dynamically adjust the connecting position of the cable, and the work is more reliable.
Description
Technical Field
The invention belongs to the technical field of electric power, and particularly relates to a cable fixing and protecting experimental device.
Background
The cable fixing and protecting device has the main effects that the cable is connected in a penetrating mode and wired, so that people can conveniently lap and arrange the cable, and the cable is fixed and protected to a certain extent. In the prior art, the invention with the name of 'a cable bridge rack', publication number CN 11181722 a, publication number 2020.10.23, comprises a main bridge rack, wherein the upper ends of the two sides of the main bridge rack are respectively provided with a mounting plate, the two ends inside the main bridge rack are respectively provided with an interval adjusting mechanism, each adjusting mechanism respectively comprises an adjusting component, each adjusting component comprises two moving plates capable of moving horizontally and oppositely, each moving plate is respectively provided with a cable clamping head, each cable clamping head comprises a second threaded column, a second locking nut and a second handle, the second threaded column can rotatably penetrate through the two sides of a first driving box to be connected with the center of a gear, the second locking nut is sleeved on the second threaded column, the second locking nut is in threaded connection with the second threaded column, the first driving box is provided with a second locking piece capable of being in matched connection with the second locking nut, the second handle is arranged at the tail end of the second threaded column; in this design, when needs fixed cable, the staff manually rotates the second handle, the second handle drives the second lock nut rotatory, the second lock nut drives the gear rotation, the gear drives every rack removal simultaneously, every rack removes along every slide rail through every slider respectively, every rack removes along every arc clamp tool of every rectangle through every undulant version drive respectively, it presss from both sides the clamp tool with the cable clamp to make two arcs press from both sides the clamp tool, in the cable use, the both ends of cable are often pulled and are twisted reverse, can't be according to the position of the condition dynamic adjustment cable that twists reverse.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, provides the cable fixing protection experimental device, solves the technical problem that the connecting position of the cable cannot be dynamically adjusted in the prior art, and can dynamically adjust the connecting position of the cable in the using process of the cable, so that the cable fixing protection experimental device is more reliable in work.
The purpose of the invention is realized as follows: a cable fixing and protecting experimental device comprises a chassis, wherein the chassis is provided with an upward opening, a pad seat is fixed in the opening of the chassis, a connecting plate is fixed on the upper side of the pad seat, a plurality of mounting seats are connected on the connecting plate and are arranged at intervals in the left-right direction, two adjusting frames which are arranged at intervals in the front-back direction are respectively connected between every two adjacent mounting seats, between every two adjacent mounting seats and between every two adjacent mounting seats, between every two adjacent outer mounting seats and between every two adjacent inner walls of the chassis in a lifting manner, two testing seats are arranged at intervals in the front-back direction, the two adjusting frames are arranged between the two testing seats, the testing seats can horizontally move in the left-right direction, the testing seats are connected with a detection assembly for detecting whether a cable is twisted, and one end of each adjusting frame in the left-right direction is fixedly connected with a lifting rack, the relative chassis inner wall setting of the lifting rack of outer end, the relative mount pad setting of middle lifting rack, open in the chassis outside has two mounting grooves, and the chassis rotationally is connected with lifting gear one through the mounting groove, lifting gear one and the lifting rack meshing that corresponds, the mount pad one end down is opened there is the installing port, rotationally is connected with lifting gear two in the mount pad, lifting gear two and the lifting rack meshing that corresponds, be connected with the adjusting part who corresponds respectively with the alignment jig on the connecting plate, adjusting part includes the regulation seat of liftable, and adjustment seat and alignment jig are tight with the cable clamp simultaneously.
According to the invention, a cable firstly passes through a cable hole between an adjusting frame and an adjusting seat, and when the height of the adjusting frame at the outer end needs to be adjusted according to the installation height required by the cable, a first lifting gear is controlled to rotate, the lifting gear drives a lifting rack to move, and when the adjusting frame at the outer end moves to the required height, the first lifting gear stops rotating; when the height of the middle adjusting frame needs to be adjusted, the second lifting gear is controlled to rotate, the middle lifting rack moves under the action of the second lifting gear, when the middle adjusting frame moves to the required height, the second lifting gear stops rotating, the middle adjusting seat rises until the cable is tightly pressed, and the position of the cable is automatically adjusted and fixed; the two sets of the invention are adopted for experiments, cables clamped in the two sets of devices are pulled and twisted regularly in the experiment process, the pulling and twisting amplitudes are the same, one set of the devices are not matched with a controller, the other set of the matched controller is used for adjusting the position of the cable according to the twisting stress condition obtained by testing the detection assembly, so that the strain borne by the cable is always within the strain threshold range, and by adopting the experiments, the continuous stress condition of the cable can be obtained by adopting the fixed protection device without the dynamic adjustment function and the fixed protection device with the dynamic adjustment function, and the optimal implementation mode can be obtained; the invention can realize the comparison experiment of different protection structures on the stress condition of the cable; in addition, the cable fixing device is compact in structure and convenient to disassemble and assemble, and the connecting position of the cable can be dynamically adjusted according to the stress condition of the cable in the using process, so that the strain of the cable is reduced; the device can be applied to the experiment of fixing and protecting the cable, can also be applied to the fixing and protecting of the cable, and is particularly suitable for occasions needing to frequently adjust the position of the cable.
In order to further realize the detection of the stress state of the cable, the detection component comprises a test board, a torsion sleeve and a connecting sleeve, a plurality of connecting grooves are arranged on the torsion sleeve, one side of the test board in the radial direction is connected with a test piece, a fixing ring is connected in the connecting sleeve, the inner wall of the fixing ring is polygonal, balls are connected between the fixing ring and the periphery of the connecting sleeve, a plurality of test springs with the same number as the test boards are arranged in the fixing ring at the polygonal included angle, one end of each test spring, far away from the inner wall of the fixing ring, is connected with the other side of the test board in the radial direction, at least one ball is arranged between every two adjacent test boards, a fixing hole is arranged on each test seat, one end of the connecting sleeve in the axial direction is provided with a fixing part, the other end of the connecting sleeve in the axial direction is inserted into the fixing hole, and one end of the connecting sleeve, extending into the test seat, is abutted against the positioning step of the test seat, the fixing part is abutted against the test seat, fastening holes I which are convenient to connect with the test seat are distributed in the fixing part, a clamping clip is connected on the torsion sleeve outside the test seat and clamps the cable, and the two clamping clips at the two ends of the test seat in the axial direction are abutted against the outside of the test seat and the outside of the fixing part respectively; in this design, the both ends of cable receive to pull and take place to twist reverse the time, the cable can drive to twist reverse the rotation that the cover takes place certain displacement, it rotates to twist reverse the cover tape drive test panel, it is tensile to survey test panel pulling spring, the spring is for surveying test panel reaction force, the atress situation of change is sensed to the test card, send the atress situation of change for outside controller, the controller obtains the position control of cable according to the analysis of received power signal, controller control test seat, the action of alignment jig and regulation seat, realize the dynamic adjustment of cable position, reduce the meeting an emergency of cable.
In order to further realize the automatic rising of alignment jig, fixedly connected with elevator motor one in the mounting groove of chassis, elevator motor is last to be connected with pivot one, elevator gear one is connected in pivot one, all opens the lift groove on chassis and the mount pad that the lifting rack position corresponds, elevator gear one passes the lift groove and meshes with the lifting rack that corresponds, mount pad through mount pad fixedly connected with elevator motor two, be connected with pivot two on the elevator motor two, elevator gear two is connected on pivot two, and still fixedly connected with fixed support seat one in the mounting groove of chassis, the one end that the pivot one outwards stretched out rotationally connects on fixed support seat one, and still fixedly connected with fixed support seat two in the mount pad, the one end that the pivot two outwards stretched out rotationally connects on fixed support seat two.
In order to further realize the clamping action of the cable, the adjusting component comprises a fixed sleeve which is fixed on the underframe and is provided with an installation cavity, a fixedly connected motor plate is fixedly connected in the fixed sleeve, a driving motor is fixedly connected on the motor plate, an output shaft is connected on the driving motor, a transmission shaft is connected on the output shaft, a regulating seat is in threaded connection on the transmission shaft, the lower part of the regulating seat can slide up and down along the inner wall of the fixed sleeve, a supporting sleeve is connected on the outer side of the upper part of the fixed sleeve, a guide block is sleeved on the regulating seat on the upper side of the connecting plate, the lower end of the guide block extends into the supporting sleeve, the lower part of the guide block is connected with the supporting sleeve, the upper part of the guide block is abutted against the upper side of the connecting plate and is fixedly connected with the connecting plate, the left end and the right end of the guide block are respectively attached to the inner wall of the adjusting frame, and the supporting sleeve is provided with a polygonal sliding groove, the adjusting seat can slide up and down along the sliding groove.
In order to further improve the lifting reliability of the adjusting frame, a plurality of first fixing rails are distributed on the inner wall of the bottom frame, a plurality of second fixing rails which are arranged opposite to the first fixing rails are distributed at the left end and the right end of the mounting seat, the left end and the right end of the adjusting frame at the outer end are connected to the first fixing rails and the second fixing rails in a sliding mode respectively, and the left end and the right end of the adjusting frame in the middle are connected to the second fixing rails in a sliding mode respectively.
As a further improvement of the invention, the inner sides of the bottom frames above the mounting seats are respectively provided with a connecting rail, the bottom frames are detachably connected with a top plate, one upward end of each bottom frame is provided with a connecting groove, the inner walls of the bottom frames below the connecting grooves are provided with the connecting rails, the top plate is provided with a groove matched with the connecting rails, the top plate slides along the connecting rails through the groove, the left end and the right end of the top plate are arranged in the connecting grooves, the top plate is flush with the upper sides of the bottom frames, and the top plate is provided with a plurality of mounting holes.
In order to further realize the position adjustment of the test seat, the left end and the right end of the underframe are respectively fixedly connected with two first transmission boxes, the output end of the first transmission box is connected with a first moving shaft, the first moving shaft is in threaded connection with the corresponding test seat, a first guide rod is connected between the inner side of the underframe above the first moving shaft and the installation seat, the test seat at the outer end can horizontally move along the first guide rod, a first support guide rail is fixed on the upper side of a connecting plate between the underframe and the installation seat, the lower end of the test seat at the outer end can slide along the first support guide rail, a second transmission box is fixedly connected with one downward end of the installation seat, the output end of the second transmission box is connected with a second moving shaft, the second moving shaft is in threaded connection with the corresponding test seat, a second guide rod is connected between the two installation seats above the second moving shaft, the middle test seat can move along the second guide rod, and a second support guide rail corresponding to the test seat is connected on the upper side of the connecting plate between the two installation seats, the lower end of the middle test seat is connected to the second support guide rail in a sliding mode.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a first perspective view of the present invention.
Fig. 3 is a partially enlarged view of a point a in fig. 2.
Fig. 4 is a first three-dimensional structure of the present invention with the top plate hidden.
Fig. 5 is a partially enlarged view of B in fig. 4.
Fig. 6 is a second perspective view of the present invention with the top plate hidden.
Fig. 7 is a partial enlarged view at C in fig. 6.
Fig. 8 is a schematic three-dimensional structure diagram of the lifting motor II and the transmission case II which are arranged in the mounting seat.
Fig. 9 is a schematic structural view of the lifting of the adjusting base in the present invention.
FIG. 10 is a schematic structural diagram of a detecting assembly according to the present invention.
FIG. 11 is a schematic structural view of the detecting assembly and the testing base of the present invention.
Wherein, 1 fixing sleeve, 2 underframe, 201 connecting rail, 3 cushion seat, 4 connecting plate, 5 mounting seat, 6 top plate, 7 supporting sleeve, 8 testing seat, 801 positioning step, 9 moving shaft I, 10 supporting guide rail I, 11 lifting motor I, 12 transmission box I, 13 rotating shaft I, 14 lifting rack, 15 lifting gear I, 16 guide rod II, 17 guide rod I, 18 guide block, 19 adjusting frame, 20 adjusting seat, 21 fixing support seat I, 22 fixing track II, 23 transmission box II, 24 lifting motor II, 25 lifting gear II, 26 fixing support seat II, 27 lifting groove, 28 output shaft, 29 sliding groove, 30 transmission shaft, 31 motor plate, 32 driving motor, 33 testing sheet, 34 ball, 35 fixing ring, 36 connecting sleeve, 3601 fixing part, 37 fastening hole II, 38I, 39 torsion sleeve, 40 testing spring, 41, 42 holding clamp, 43 fastening hole III, 44 fixed rails I and 45 support guide rails II, 46 moving shafts II, 47 rotating shafts II, 48 fixed holes and 49 connecting holes.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 11, a cable fixing and protecting experimental device comprises an underframe 2, the underframe 2 has an upward opening, a pad 3 is fixed in the opening of the underframe 2, a connecting plate 4 is fixed on the upper side of the pad 3, the connecting plate 4 is connected with a plurality of mounting seats 5 arranged at intervals in the left-right direction, two adjusting frames 19 arranged at intervals in the front-rear direction are respectively connected between two adjacent mounting seats 5 and outer mounting seats 5 and the inner wall of the underframe 2 in a lifting manner, two testing seats 8 arranged at intervals in the front-rear direction are further connected between two adjacent mounting seats 5 and outer mounting seats 5 and the inner wall of the underframe 2, in the front-rear direction, two adjusting frames 19 are arranged between the two testing seats 8, the testing seats 8 can horizontally move in the left-right direction, a detecting component for detecting whether a cable is twisted is connected to the testing seats 8, one end of the adjusting frames 19 in the left-right direction is fixedly connected with a lifting rack 14, the lifting rack 14 at the outer end is arranged opposite to the inner wall of the chassis 2, the lifting rack 14 in the middle is arranged opposite to the mounting seat 5, two mounting grooves are formed in the outer side of the chassis 2, the chassis 2 is rotatably connected with a first lifting gear 15 through the mounting grooves, the first lifting gear 15 is meshed with the corresponding lifting rack 14, a mounting opening is formed in the downward end of the mounting seat 5, a second lifting gear 25 is rotatably connected in the mounting seat 5, the second lifting gear 25 is meshed with the corresponding lifting rack 14, the specific structure for realizing the lifting of the adjusting frame 19 is that a first lifting motor 11 is fixedly connected in the mounting groove of the chassis 2, a first rotating shaft 13 is connected on the first lifting motor 11, the first lifting gear 15 is connected on the first rotating shaft 13, lifting grooves 27 are formed in the positions, corresponding to the positions of the lifting racks 14, of the chassis 2 and the mounting seat 5, and the first lifting gear 15 penetrates through the lifting grooves 27 to be meshed with the corresponding lifting racks 14, a second lifting motor 24 is fixedly connected in the mounting hole of the mounting seat 5, a second rotating shaft 47 is connected on the second lifting motor 24, a second lifting gear 25 is connected on the second rotating shaft 47, a first fixed supporting seat 21 is also fixedly connected in the mounting groove of the underframe 2, one end of the first rotating shaft 13, which extends outwards, is rotatably connected on the first fixed supporting seat 21, a second fixed supporting seat 26 is also fixedly connected in the mounting seat 5, and one end of the second rotating shaft 47, which extends outwards, is rotatably connected on the second fixed supporting seat 26; the structure for realizing the movement of the two test seats 8 at the outer end is characterized in that the left end and the right end of the bottom frame 2 are respectively fixedly connected with two first transmission boxes 12, the output ends of the first transmission boxes 12 are connected with a first moving shaft 9, the first moving shaft 9 is in threaded connection with the corresponding test seat 8, a first guide rod 17 is connected between the inner side of the bottom frame 2 above the first moving shaft 9 and the installation seat 5, the test seat 8 at the outer end can horizontally move along the first guide rod 17, a first support guide rail 10 is fixed on the upper side of a connecting plate 4 between the bottom frame 2 and the installation seat 5, the lower end of the test seat 8 at the outer end can slide along the first support guide rail 10, a second transmission box 23 is fixedly connected at the downward end of the installation seat 5, the output end of the second transmission box 23 is connected with a second moving shaft 46, the second moving shaft 46 is in threaded connection with the corresponding test seat 8, a second guide rod 16 is connected between the two installation seats 5 above the second moving shaft 46, middle test seat 8 can remove along guide bar two 16, and connecting plate 4 upside between two mount pads 5 is connected with two 45 of support rail that correspond with test seat 8, and middle test seat 8 lower extreme slidable connects on two 45 of support rail, is connected with the adjusting part who corresponds respectively with alignment jig 19 on connecting plate 4, and adjusting part includes liftable regulation seat 20, adjusts seat 20 and alignment jig 19 and presss from both sides the cable tightly.
In order to further realize the detection of the stress state of the cable, the detection assembly comprises a test board 41, a torsion sleeve 39 and a connecting sleeve 36, a plurality of connecting grooves are distributed on the torsion sleeve 39, one side of the test board 41 in the radial direction is connected with a test sheet 33, a fixing ring 35 is connected in the connecting sleeve 36, the inner wall of the fixing ring 35 is polygonal, balls 34 are connected between the periphery of the fixing ring 35 and the connecting sleeve 36, the balls 34 are arranged at the included angle of the polygon, a plurality of test springs 40 with the same number as the test boards 41 are distributed in the fixing ring 35, one end of each test spring 40 far away from the inner wall of the fixing ring 35 is connected with the other side of the test board 41 in the radial direction, at least one ball 34 is arranged between every two adjacent test boards 41, a fixing hole 48 is arranged on the test seat 8, one end of the connecting sleeve 36 in the axial direction is provided with a fixing part 3601, the other end of the connecting sleeve 36 in the axial direction is inserted into the fixing hole 48, when one end of the connecting sleeve 36 extending into the test seat 8 abuts against the positioning step 801 of the test seat 8, the fixing part 3601 abuts against the test seat 8, fastening holes 38 convenient to be connected with the test seat 8 are distributed in the fixing part 3601, a plurality of fastening holes III 43 which can be coaxial with the fastening holes I38 are distributed in the test seat 8, a clamping clamp 42 is connected to a torsion sleeve 39 outside the test seat 8, a plurality of fastening holes II 37 convenient to be connected with the clamping clamp 42 are distributed in the torsion sleeve 39, the clamping clamp 42 clamps a cable, and two clamping clamps 42 at two ends of the test seat 8 in the axial direction abut against the outside of the test seat 8 and the outside of the fixing part 3601 respectively.
In order to further realize the adjustment of the cable clamping force, the adjusting component comprises a fixed sleeve 1 which is fixed on the underframe 2 and is provided with an installation cavity, a fixedly connected motor plate 31 is fixedly connected in the fixed sleeve 1, a driving motor 32 is fixedly connected on the motor plate 31, an output shaft 28 is connected on the driving motor 32, a transmission shaft 30 is connected on the output shaft 28, an adjusting seat 20 is in threaded connection with the transmission shaft 30, the lower part of the adjusting seat 20 can slide up and down along the inner wall of the fixed sleeve 1, a supporting sleeve 7 is connected on the outer side of the upper part of the fixed sleeve 1, a guide block 18 is sleeved on the adjusting seat 20 on the upper side of the connecting plate 4, the lower end of the guide block 18 extends into the supporting sleeve 7, the lower part of the guide block 18 is connected with the supporting sleeve 7, the upper part of the guide block 18 is abutted against the upper side of the connecting plate 4 and is fixedly connected with the connecting plate 4, and the left end and the right end of the guide block 18 are respectively attached to the inner wall of the adjusting frame 19, the support sleeve 7 is provided with a polygonal sliding groove 29, and the adjusting seat 20 can slide up and down along the sliding groove 29.
In order to further improve the lifting reliability of the adjusting frame 19, a plurality of first fixing rails 44 are distributed on the inner wall of the bottom frame 2, a plurality of second fixing rails 22 which are arranged opposite to the first fixing rails 44 are distributed at the left end and the right end of the mounting base 5, the left end and the right end of the adjusting frame 19 at the outer end are respectively connected to the first fixing rails 44 and the second fixing rails 22 in a sliding mode, and the left end and the right end of the adjusting frame 19 in the middle are respectively connected to the second fixing rails 22 in a sliding mode.
In order to fix the underframe 2 conveniently, a plurality of connecting holes 49 are distributed at the lower part of the underframe 2, connecting rails 201 are arranged on the inner sides of the underframe 2 above the mounting seat 5, a top plate 6 is detachably connected to the underframe 2, a connecting groove is formed in the upward end of the underframe 2, the connecting rails 201 are arranged on the inner wall of the underframe 2 below the connecting groove, a groove matched with the connecting rails 201 is formed in the top plate 6, the top plate 6 slides along the connecting rails 201 through the groove, the left end and the right end of the top plate 6 are arranged in the connecting groove, the top plate 6 is flush with the upper side of the underframe 2, and a plurality of mounting holes are distributed in the top plate 6; the underframe 2 is fixedly connected at a required position by using anchor rods to penetrate through each connecting hole 49, nuts are screwed on the anchor rods to press the nuts on the underframe 2, and finally the top plate 6 is connected with the underframe 2.
In the present invention, in practical use, the test socket 8 has a positioning step 801, the test strip 33 is made of a strain gauge, and the test strip 33 is pre-attached to the test board 41; the cable firstly passes through a cable hole between the adjusting frame 19 and the adjusting seat 20, when the height of the adjusting frame 19 at the outer end needs to be adjusted according to the installation height needed by the cable, the corresponding lifting motor I11 is controlled to act, the rotating shaft I13 rotates, the rotating shaft I13 drives the lifting gear I15 to rotate, the lifting rack 14I moves in the height direction under the action of the lifting gear I15, the lifting rack 14 drives the adjusting frame 19 to slide up and down along the fixed rail I44 and the fixed rail II 22, the action direction of the lifting motor I11 is controlled, the adjusting frame 19 moves in the needed direction, and when the adjusting frame 19 moves to the needed height, the lifting motor I11 stops acting; when the height of the middle adjusting frame 19 needs to be adjusted, the corresponding second lifting motor 24 is controlled to act, the second rotating shaft 47 rotates, the second rotating shaft 47 drives the second lifting gear 25 to rotate, the second lifting rack 14 moves up and down under the action of the second lifting gear 25, the second lifting rack 14 drives the adjusting frame 19 to slide up and down along the second fixed rail 22, when the corresponding adjusting frame 19 moves to the required height, the second lifting motor 24 stops acting, the height adjustment of the adjusting frame 19 is finished, meanwhile, the driving motor 32 acts, the output shaft 28 rotates, the output shaft 28 drives the transmission shaft 30 to rotate, the transmission shaft 30 drives the adjusting seat 20 to move, when the adjusting seat 20 presses the cable on the adjusting frame 19, the position adjustment and fixation in the height direction of the cable are realized, finally, the cable is clamped by the clamp 42, the top plate 6 slides along the connecting rail 201 through the groove, the fastening piece penetrates through the mounting hole to connect the top plate 6 to the bottom frame 2, the structure for installing the cable is prevented from being damaged manually; the cable can be pulled frequently to make the cable continuously twist, the cable can drive the twisting sleeve 39 to rotate with a certain displacement, the twisting sleeve 39 drives the test board 41 to rotate, the test board 41 pulls the test spring 40 to stretch, the test spring 40 gives a reaction force to the test board 41, the test sheet 33 senses a stress change condition and sends the stress change condition to an external controller, the controller analyzes according to the received strain condition, sends a position adjusting signal to the lifting motor, the drive motor 32 and the transmission case, the power source of the transmission case is also a motor, the corresponding lifting motor and the drive motor 32 simultaneously act to adjust the position of the cable in the height direction, the corresponding transmission case acts to rotate the moving shaft, the moving shaft drives the horizontal movement of the test seat 8, the strain range is within a set threshold range, and the lifting motor, the drive motor 32 and the transmission case stop acting, the cable position is dynamically adjusted according to the stress condition of the cable, the strain of the cable is reduced, and the service life of the cable is prolonged; meanwhile, the invention can be applied to carry out contrast experiments of different protection devices, two sets of the invention are adopted for carrying out experiments, cables clamped in the two sets of the devices are pulled and twisted regularly in the experiment process, the pulling and twisting amplitude is the same, one set of the device is not matched with a controller (the device is taken as a common protection structure only having the function of fixing the cables), the other set of the device is matched with the controller, the controller adjusts the position of the cable according to the twisting stress condition obtained by testing the detection assembly, so that the strain borne by the cable is always within the strain threshold range, by adopting the experiments, the continuous stress condition of the cable adopting the fixed protection device without the dynamic adjustment function and the fixed protection device with the dynamic adjustment function can be obtained, and the difference between the common protection device and the protection device of the invention can be obtained; the device can be applied to the experimental work of different protection structures, can also be applied to the fixed protection work of cables, and is particularly suitable for occasions needing to frequently adjust the positions of the cables.
The present invention is not limited to the above-mentioned embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts according to the disclosed technical contents, and these substitutions and modifications are all within the protection scope of the present invention.
Claims (6)
1. The utility model provides a protection experimental apparatus is fixed to cable which characterized in that: comprises a chassis, the chassis is provided with an upward opening, a pad is fixed in the opening of the chassis, a connecting plate is fixed on the upper side of the pad, a plurality of mounting seats are connected on the connecting plate and are arranged at intervals in the left-right direction, two adjusting frames which are arranged at intervals in the front-back direction are respectively connected between the mounting seats of two adjacent mounting seats and the outer end and the inner wall of the chassis in a lifting way, two testing seats which are arranged at intervals in the front-back direction are also connected between the mounting seats of two adjacent mounting seats and the outer end and the inner wall of the chassis in the front-back direction, the two adjusting frames are arranged between the two testing seats, the testing seats can horizontally move in the left-right direction, a detecting component for detecting whether a cable is twisted is connected on each testing seat, one end of each adjusting frame in the left-right direction is fixedly connected with a lifting rack, the lifting rack of the outer end is arranged opposite to the inner wall of the chassis, the middle lifting rack is arranged opposite to the mounting seat, two mounting grooves are formed in the outer side of the bottom frame, the bottom frame is rotatably connected with a first lifting gear through the mounting grooves, the first lifting gear is meshed with a corresponding lifting rack, a mounting opening is formed in the downward end of the mounting seat, a second lifting gear is rotatably connected in the mounting seat and is meshed with a corresponding lifting rack, adjusting components respectively corresponding to the adjusting frames are connected onto the connecting plates, each adjusting component comprises a lifting adjusting seat, the adjusting seats and the adjusting frames simultaneously clamp cables, the detection component comprises a detection plate, a torsion sleeve and a connecting sleeve, a plurality of connecting grooves are distributed in the torsion sleeve, one side of the detection plate in the radial direction is connected with a detection sheet, a fixed ring is connected in the connecting sleeve, the inner wall of the fixed ring is polygonal, and balls are connected between the fixed ring and the periphery of the connecting sleeve, the testing device comprises a fixing seat, a connecting sleeve, a clamping clamp, a clamping seat, a clamping plate and a clamping sleeve, wherein the fixing seat is provided with a plurality of clamping springs, the number of the clamping springs is the same as that of the testing plates, the clamping springs are arranged at a polygonal included angle, the fixing ring is internally provided with a plurality of testing springs, the number of the testing springs is the same as that of the testing plates, one ends, far away from the inner wall of the fixing ring, of the testing springs are connected with the other sides, in the radial direction, of the testing plates, at least one ball is arranged between every two adjacent testing plates, the testing seat is provided with a fixing hole, one end, in the axial direction, of the connecting sleeve is provided with a fixing part, the connecting sleeve is inserted into the fixing hole, one end, extending into the testing seat, of the connecting sleeve abuts against a positioning step of the testing seat, the fixing part abuts against the testing seat, fastening holes I which are conveniently connected with the testing seat are arranged on the fixing part, the torsion sleeve outside the testing seat is connected with the clamping clamp, the cable is clamped by the clamping clamp, and the two clamping clamps at the two ends, in the axial direction of the testing seat, abut against the outside the fixing part, respectively.
2. The experimental device for fixing and protecting a cable according to claim 1, wherein: fixedly connected with elevator motor one in the mounting groove of chassis, elevator motor is last to be connected with pivot one, elevator gear one is connected in pivot one, all opens the lifting groove on chassis and the mount pad that lifting rack position corresponds, elevator gear one passes lifting groove and the meshing of the lifting rack that corresponds, and the mount pad is through mount pad fixedly connected with elevator motor two, be connected with pivot two on the elevator motor two, elevator gear two is connected in pivot two, and fixedly connected with fixed support seat one is gone back in the mounting groove of chassis, and the one end that the pivot one outwards stretched out rotationally connects on fixed support seat one, and fixedly connected with fixed support seat two is gone back in the mount pad, and the one end that the pivot two outwards stretched out rotationally connects on fixed support seat two.
3. The experimental device for fixing and protecting a cable according to claim 1, wherein: the adjusting component comprises a fixed sleeve which is fixed on the underframe and is provided with an installation cavity, a motor plate is fixedly connected in the fixed sleeve, the motor plate is fixedly connected with a driving motor, the driving motor is connected with an output shaft, the output shaft is connected with a transmission shaft, the adjusting seat is connected on the transmission shaft by screw thread, the lower part of the adjusting seat can slide up and down along the inner wall of the fixed sleeve, the outer side of the upper part of the fixed sleeve is connected with a supporting sleeve, the adjusting seat on the upper side of the connecting plate is sleeved with a guide block, the lower end of the guide block extends into the supporting sleeve, the lower part of the guide block is connected with the supporting sleeve, the upper part of the guide block is abutted against the upper side of the connecting plate and is fixedly connected with the connecting plate, the left end and the right end of the guide block are respectively attached to the inner wall of the adjusting frame, the support sleeve is provided with a polygonal sliding groove, and the adjusting seat can slide up and down along the sliding groove.
4. The experimental device for fixing and protecting a cable according to claim 1, wherein: a plurality of first fixing rails are distributed on the inner wall of the underframe, a plurality of second fixing rails which are opposite to the first fixing rails are distributed at the left end and the right end of the mounting seat, the left end and the right end of the adjusting frame at the outer end are connected to the first fixing rails and the second fixing rails in a sliding mode respectively, and the left end and the right end of the adjusting frame in the middle are connected to the second fixing rails in a sliding mode respectively.
5. The experimental device for fixing and protecting a cable according to claim 1, wherein: the chassis inboard of mount pad top all is equipped with the connection rail, detachably is connected with the roof on the chassis, chassis one end up is opened there is the spread groove, the chassis inner wall of spread groove below is equipped with the connection rail, open on the roof have with be connected rail complex recess, the roof slides along connecting the rail through the recess, both ends are in the spread groove about the roof, the roof flushes with the upside of chassis, a plurality of mounting holes of having arranged on the roof.
6. The experimental device for fixing and protecting a cable according to any one of claims 2 to 5, wherein: the left end and the right end of the underframe are respectively fixedly connected with two first transmission boxes, the output end of the first transmission box is connected with a first moving shaft, the first moving shaft is in threaded connection with a corresponding test seat, a first guide rod is connected between the inner side of the underframe above the first moving shaft and the mounting seat, the test seat at the outer end can horizontally move along the first guide rod, a first supporting guide rail is fixed on the upper side of a connecting plate between the underframe and the mounting seat, the lower end of the test seat at the outer end can slide along the first supporting guide rail, a second transmission box is fixedly connected with one downward end of the mounting seat, the output end of the second transmission box is connected with a second moving shaft, the second moving shaft is in threaded connection with the corresponding test seat, a second guide rod is connected between the two mounting seats above the second moving shaft, the middle test seat can move along the second guide rod, and a second supporting guide rail corresponding to the test seat is connected on the upper side of the connecting plate between the two mounting seats, the lower end of the middle test seat is connected to the second support guide rail in a sliding mode.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011357199.5A CN112582950B (en) | 2020-11-27 | 2020-11-27 | Cable fixing and protecting experimental device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011357199.5A CN112582950B (en) | 2020-11-27 | 2020-11-27 | Cable fixing and protecting experimental device |
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| CN112582950A CN112582950A (en) | 2021-03-30 |
| CN112582950B true CN112582950B (en) | 2022-07-05 |
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| CN209460372U (en) * | 2018-12-29 | 2019-10-01 | 扬州工业职业技术学院 | A kind of aided-detection device of automobile current generator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101577409B (en) * | 2009-05-05 | 2011-08-17 | 武汉中岩科技有限公司 | Device and method for taking up and laying cable conductors synchronously |
| CN102564663B (en) * | 2011-12-25 | 2014-10-08 | 东方久乐汽车安全气囊有限公司 | Novel force measuring structure of torque sensor |
| CN104499868B (en) * | 2014-12-23 | 2016-09-21 | 宁波江东飞创电子科技有限公司 | A kind of ascending/descending door panel assembly utilizing single screw rod to realize locking automatically |
| CN106981847A (en) * | 2017-06-01 | 2017-07-25 | 上海熠搜能源科技有限公司 | A kind of comprehensive trough type bridge frame |
| CN108666852B (en) * | 2018-04-28 | 2024-01-23 | 广东电网有限责任公司 | Power cable peeling device |
| CN211655640U (en) * | 2020-04-20 | 2020-10-09 | 李杨 | Cable bridge easy and convenient to install |
| CN211790559U (en) * | 2020-04-30 | 2020-10-27 | 涟水四通电力设备有限公司 | Cable installation adjusting frame for electric power engineering construction |
| CN111817223B (en) * | 2020-06-28 | 2021-09-21 | 天津龙鼎熙石化新能源科技有限公司 | Cable bridge |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102694351A (en) * | 2012-06-06 | 2012-09-26 | 长春理工大学 | High voltage overhead transmission line line-inspection unmanned aerial vehicle photoelectric detection device |
| CN209460372U (en) * | 2018-12-29 | 2019-10-01 | 扬州工业职业技术学院 | A kind of aided-detection device of automobile current generator |
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| CN112582950A (en) | 2021-03-30 |
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