CN112051145A - Cable performance detection equipment and use method thereof - Google Patents
Cable performance detection equipment and use method thereof Download PDFInfo
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- CN112051145A CN112051145A CN202010890513.XA CN202010890513A CN112051145A CN 112051145 A CN112051145 A CN 112051145A CN 202010890513 A CN202010890513 A CN 202010890513A CN 112051145 A CN112051145 A CN 112051145A
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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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
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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
- G01N3/04—Chucks
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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
- G01N3/06—Special adaptations of indicating or recording means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/028—One dimensional, e.g. filaments, wires, ropes or cables
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
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Abstract
The invention discloses a cable performance detection device and a using method thereof, and the device comprises a base, wherein two limiting rods are symmetrically and fixedly arranged at the top of the base, limiting rings are respectively sleeved on the two limiting rods in a sliding manner, one side of each limiting ring is fixedly provided with a same transmission plate, the transmission plate is symmetrically and slidably connected with two installation covers, the same cable is clamped on the two installation covers, the top of the base is symmetrically and rotatably connected with two rotating rods, and the top ends of the two rotating rods are respectively and rotatably connected with the two installation covers. The invention can realize the quick fastening and accurate measurement of the tension of the cable, and can not cause the cable to slip due to the gradual increase of the tension in the process of measuring the cable, thereby having good stability, and can accurately measure the maximum tension value which can be borne by the cable, thereby having higher accuracy, and the technical scheme has good use performance in use.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a cable performance detection device and a using method thereof.
Background
The wire and cable is used for transmitting electric (magnetic) energy, information and wire products for realizing electromagnetic energy conversion. Wire and cable in the broad sense, also referred to as cable for short, refers to insulated cable, which may be defined as one or more insulated cores, and which may have a coating, a total protective layer and an outer jacket, respectively, or additional conductors without insulation. The wire cable is frequently used outdoors, and the performance detection of the cable is particularly important.
In many test projects for cables, a test content which is necessary for the tensile test which the cable can bear is provided, but at present, the following problems exist when the cable is tested: 1. when the cable is fastened, the operation is troublesome; 2. when the cable is stretched, the problem of slippage is easy to occur; 3. when the cable is stretched, the maximum tensile value which can be borne by the cable cannot be accurately displayed; therefore, in summary, the present disclosure provides a cable performance detecting apparatus and a method for using the same, which are used to solve the above-mentioned problems.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a cable performance detection device which can conveniently fasten a cable, cannot slip off when the cable is stretched and can accurately record the maximum tensile value which can be borne by the cable, and a use method thereof.
The invention provides a cable performance detection device, which comprises a base, wherein two limiting rods are symmetrically and fixedly arranged at the top of the base, limiting rings are respectively sleeved on the two limiting rods in a sliding manner, one side of each limiting ring is fixedly provided with a same transmission plate, the transmission plate is symmetrically and slidably connected with two installation covers, the two installation covers are clamped with a same cable, the top of the base is symmetrically and rotatably connected with two rotating rods, the top ends of the two rotating rods are respectively and rotatably connected with the two installation covers, an installation box positioned at one side of the two rotating rods is fixedly arranged at the top of the base, two push rods are symmetrically and slidably connected in the installation box, the ends, far away from each other, of the two push rods respectively extend to the two sides of the installation box, connecting rods positioned at the outer side of the installation box are rotatably connected on the push rods, and the top ends of, two L-shaped rods are symmetrically and threadedly connected to the mounting pipe, the ends, far away from each other, of the two L-shaped rods are respectively and rotatably connected with the two rotating rods, a driving motor is fixedly mounted on one side of the mounting box, and an output shaft of the driving motor extends into the mounting box and is respectively in transmission connection with the two push rods;
sliding connection has supporting splint on the bottom inner wall of installation cover, and sliding connection has movable clamp plate on the supporting splint, the both ends of cable extend to respectively in two installation covers, and the cable is located between supporting splint and the movable clamp plate, supporting splint all press from both sides the dress with the cable mutually with movable clamp plate, the top sliding connection of installation cover has the movable plate, and rotates on the movable plate and be connected with the pivot, the bottom of pivot extend to in the installation cover and with movable clamp plate threaded connection.
The equal fixed mounting in both ends of installation pipe has the nut, and nut internal thread connection has the screw rod, and the screw thread opposite direction of two screw rods, the both ends of screw rod extend to the outside of nut respectively with the installation intraductally, the one end that two screw rods kept away from each other respectively with the one end fixed connection that two L type poles are close to each other, fixed cover is equipped with the rotating gear on the installation pipe, and the top opposite side fixed mounting of base has fixed rack, rotating gear meshes with fixed rack mutually, the symmetry rotates the cover on the installation pipe and is equipped with two go-between, and the top of two connecting rods rotates with one side of two go-between respectively and is connected.
The utility model discloses a two-slide mechanism, including install bin, two slide boards, two swing rods, two slide boards, driving motor's output shaft, two slide boards, and two push rods are connected with two slide boards, and two push rods are close to each other one end respectively with two slide one side fixed connection who keeps away from each other, the symmetry rotates on the bottom inner wall of install bin and is connected with two swing rods that are located between two slide boards, and two swing rods keep away from each other one end respectively with two slide board one side transmission that are close to each other be connected.
Fixed mounting has the lead screw on driving motor's the output shaft, and the one end of lead screw rotates with one side inner wall of install bin and is connected, threaded connection has first screwed pipe on the lead screw, and the bottom inner wall sliding connection of first screwed pipe and install bin, the equal fixed mounting in both sides of first screwed pipe has the removal rack, and fixed cover is equipped with drive gear on the swinging arms, and two drive gear mesh with two removal racks respectively mutually, and the equal fixed mounting in one side that two slides are close to each other has the transfer line, and sliding sleeve is equipped with the sliding sleeve on the transfer line, and two swinging arms rotate with two sliding sleeves respectively and are connected.
The top fixed mounting of two gag levers has same collar, and collar symmetry sliding connection has two bearing plates, the top of bearing plate rotates and is connected with first screw ring, and first screw ring internal thread is connected with the screw thread post, the top and the bottom of screw thread post extend to the top and the below of collar respectively, two removal holes have been seted up to the symmetry on the driving plate, and remove downthehole sliding connection and have the sliding ring, fixed mounting has the back shaft in the sliding ring, and the both ends of back shaft extend to the both sides of driving plate respectively and respectively with screw thread post fixed connection and installation cover sliding connection, and two dwangs rotate with two back shafts respectively and are connected, and two first screw rings all are connected with the inner wall transmission of collar.
Fixed cover is equipped with the removal gear on the first screw ring, and one side inner wall symmetry fixed mounting of collar has two spacing racks, and two removal gears mesh with two spacing racks respectively mutually, the top fixed mounting of bearing board has the location ring gear, and the bottom symmetry of removal gear rotates and is connected with two release links, the bottom fixed mounting of release link has reset gear, and two reset gear all mesh with the location ring gear mutually, the cover is equipped with torque spring on the release link, and torque spring's top and bottom respectively with the bottom of removal gear and reset gear's top fixed connection.
The utility model discloses a portable solid-state imaging device, including movable clamp plate, sliding connection, the bottom fixed mounting of pivot has a second threaded ring, the bottom fixed mounting of pivot has a rectangle post, and sliding connection has same backup pad on two locating levers, the top fixed mounting of backup pad has the second screwed pipe, the bottom fixed mounting of pivot has the rectangle post, and the sliding connection is equipped with the second screwed pipe on the rectangle post, the bottom of second screwed pipe runs through second threaded ring and backup pad respectively and rotates with movable clamp plate's top and be connected, second screwed pipe and second screwed ring threaded connection.
Equal fixed mounting has the wedge on the both sides inner wall of installing the cover, the both sides of backup pad are all rotated and are connected with the gyro wheel, and two gyro wheels respectively with the inclined plane rolling contact of two wedge, the equal fixed mounting in both sides of supporting splint has the support cover, and supports and cover sliding connection has the bracing piece, the top of two bracing pieces all extend to in the installing cover and respectively with the both sides fixed connection of moving splint, fixed mounting has supporting spring on the bottom inner wall of support cover, and the bottom fixed connection of supporting spring's top and bracing piece, the impartial interval fixed mounting in one side that moving splint and supporting splint are close to each other has a plurality of rubber strips, and a plurality of rubber strips all with cable in close contact with.
The one end fixed mounting of back shaft has fixed cover, and sliding connection has the depression bar in the fixed cover, the one end of depression bar extend to the outside of fixed cover and with one side fixed connection who installs the cover, the other end fixed mounting of depression bar has the briquetting, and fixed mounting has pressure sensor on one side inner wall of fixed cover, the briquetting contacts with pressure sensor, one side fixed mounting of fixed cover has the display screen, and fixed mounting has the controller on the base, two display screens, two pressure sensor and driving motor all with controller electric connection.
The use method of the detection device comprises the following steps:
s1, inserting two ends of a cable to be detected into the two mounting covers respectively, enabling the cable to be located between the supporting clamping plate and the movable clamping plate respectively, then driving the rectangular column to rotate through the rotatable rotating shaft, so that the second threaded pipe can rotate, and because the second threaded pipe is in threaded connection with the second threaded ring, rollers on two sides are in contact with inclined planes of the two wedge-shaped plates respectively, when the second threaded pipe rotates, the movable clamping plate can be pushed to move downwards until the second threaded pipe is matched with the supporting clamping plate to clamp the cable preliminarily;
s2, the screw rod is driven to rotate by starting the driving motor, the first screwed pipe can be driven to move, when the first screwed pipe moves, the two moving racks can be driven to move, at the moment, the two swinging rods can rotate to the side far away from each other under the transmission action of the two transmission gears, at the moment, the two sliding plates can be pushed to be far away from each other, when the sliding plates move, the push rod can be driven to move, at the moment, the installation pipe can be driven to move downwards by the two connecting rods, when the installation pipe moves downwards, the installation pipe can also rotate while moving downwards due to the fact that the rotating gears and the fixed racks are in a meshed state, when the installation pipe rotates, the two screw rods can be driven to be far away from each other by the two nuts, at the moment, the two rotating rods can be simultaneously pushed to rotate to the side far away from each other by the two L-, the two mounting covers can be far away from each other while the transmission plate is driven to move downwards, so that tension is generated on the cable;
s3, when the two mounting covers are far away from each other, the inclined surface of the wedge-shaped plate can be used for generating pressure on the roller, so that the two rollers can drive the supporting plate to move downwards, the movable clamping plate can be driven to move downwards when the supporting plate moves downwards, and the clamping force on the cable can be continuously increased under the matching of the supporting clamping plate, so that the clamping force on the cable can be increased while the pulling force generated by the two mounting covers is increased, and the problem of loosening when the cable is stretched can be prevented;
s4, when the two rotating rods rotate to the side far away from each other, the two supporting shafts can be driven to be far away from each other, at the moment, the two threaded columns can be far away from each other, when the threaded columns move, the two first threaded rings can be driven to move, because the moving gear is meshed with the limiting rack, the first threaded rings can also rotate while moving transversely, at the moment, under the rotating action of the first threaded rings, the two threaded columns can both move downwards so as to be well matched with the supporting shafts to move, and when the moving gear rotates, the two reset rods can be driven to do annular motion, because the reset gear on the reset rods is meshed with the positioning toothed rings, the reset rods can also rotate when doing annular motion, so that the torsion spring can be in a stress state, and when the two mounting covers approach to each other to reset, the necessary reset force is provided, and the two mounting covers can be accurately moved to the initial positions;
s5, when two back shafts were kept away from each other to two dwangs, can drive two fixed covers and keep away from each other this moment, at this moment dragging of cable down, can make two depression bars and the inseparable contact of pressure sensor, later increase along with the pulling force increases more and more, the pressure that pressure sensor received this moment also can be bigger and bigger, and the pulling force that the cable received equals with the pressure that pressure sensor received, the pressure value that shows pressure sensor that the display screen can be accurate simultaneously, until the cable is straightened deformation, can obtain the maximum pressure value that the cable can bear this moment, can improve the accuracy of test.
The invention has the following advantages:
1. in the invention: the two ends of the cable to be detected are respectively inserted into the two mounting covers, the cable is respectively positioned between the supporting clamping plate and the movable clamping plate, then the rotatable rotating shaft drives the rectangular column to rotate, so that the second threaded pipe can rotate, and the rollers on the two sides are in threaded connection with the second threaded ring and are respectively in contact with the inclined planes of the two wedge-shaped plates, so that the movable clamping plate can be pushed to move downwards when the second threaded pipe rotates until the second threaded pipe is matched with the supporting clamping plate to preliminarily clamp the cable;
2. in the invention: the screw rod is driven to rotate by starting the driving motor, the first threaded pipe can be driven to move at the moment, when the first threaded pipe moves, the two moving racks can be driven to move, at the moment, the two swinging rods can be driven to rotate towards one side away from each other under the transmission action of the two transmission gears, at the moment, the two sliding plates can be pushed to move away from each other, when the sliding plates move, the push rod can be driven to move, at the moment, the installation pipe can be driven to move downwards through the two connecting rods, when the installation pipe moves downwards, the rotating gears and the fixed racks are in a meshed state, so the installation pipe can also rotate while moving downwards, when the installation pipe rotates, the two screw rods can be driven to move away from each other through the two nuts, at the moment, the two L-shaped rods can simultaneously push the two rotating rods to rotate towards one side away from each other, the two mounting covers can be far away from each other while the transmission plate is driven to move downwards, so that tension is generated on the cable;
3. in the invention: when the two mounting covers are far away from each other, the inclined surface of the wedge-shaped plate can be used for generating pressure on the roller, so that the two rollers can drive the supporting plate to move downwards, the movable clamping plate can be driven to move downwards when the supporting plate moves downwards, and the clamping force on the cable can be continuously increased under the matching of the supporting clamping plate, so that the clamping force on the cable can be increased while the pulling force generated by the two mounting covers is increased, and the problem of loosening during the stretching of the cable can be prevented;
4. in the invention: when the two rotating rods rotate towards the side far away from each other, the two supporting shafts can be driven to be far away from each other, at the same time, the two threaded columns can be far away from each other, when the threaded columns move, the two first threaded rings can be driven to move, because the moving gear is meshed with the limiting rack, the first threaded rings can also rotate while moving transversely, at the moment, under the rotating action of the first threaded rings, the two threaded columns can both move downwards so as to be well matched with the supporting shafts to move, and when the moving gear rotates, the two reset rods can be driven to do annular motion, because the reset gear on the reset rods is meshed with the positioning toothed ring, the reset rods can also rotate when doing annular motion, so that the torsion spring can be in a stress state, and when the two mounting covers are close to each other to reset, the necessary reset force is provided, and the two mounting covers can be accurately moved to the initial positions;
5. in the invention: when the two rotating rods drive the two supporting shafts to be away from each other, the two fixing covers can be driven to be away from each other, at the moment, the two pressing rods can be in close contact with the pressure sensor under the pulling of the cable, then, the pressure applied to the pressure sensor is increased along with the increasing of the pulling force, the pressure applied to the pressure sensor is also increased, the pulling force applied to the cable is equal to the pressure applied to the pressure sensor, meanwhile, the display screen can accurately display the pressure value of the pressure sensor until the cable is straightened and deformed, the maximum pressure value which can be borne by the cable can be obtained at the moment, and the testing accuracy can be improved;
the invention can realize the quick fastening and accurate measurement of the tension of the cable, and can not cause the cable to slip due to the gradual increase of the tension in the process of measuring the cable, thereby having good stability, and can accurately measure the maximum tension value which can be borne by the cable, thereby having higher accuracy, and the technical scheme has good use performance in use.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a schematic structural view of part A of FIG. 1 according to the present invention;
FIG. 3 is a front view of the connection structure of two L-shaped rods and a mounting tube of the present invention;
FIG. 4 is a top view of the internal structure of the mounting box of the present invention;
FIG. 5 is a side view of the mounting tube and fixed rack attachment structure of the present invention;
FIG. 6 is a front view of the inner structure of the mounting ring of the present invention;
FIG. 7 is a schematic structural view of part B of FIG. 6 according to the present invention;
FIG. 8 is a top view of the drive plate and its attachment structure of the present invention;
FIG. 9 is a front view of the internal structure of the mounting cup of the present invention;
FIG. 10 is a schematic structural view of portion C of FIG. 9 according to the present invention;
FIG. 11 is a front view of the wedge plate and support plate connection of the present invention;
FIG. 12 is a top view of the spindle, rectangular post and second threaded tubular connection of the present invention;
FIG. 13 is a side view of the movable clamp plate, the support clamp plate and the cable attachment structure of the present invention;
FIG. 14 is a top view of the internal structure of the retaining cap of the present invention;
fig. 15 is a block diagram of an electrical connection structure of the present invention.
In the figure: 1-base, 2-stop lever, 3-driving plate, 4-moving hole, 5-mounting cover, 6-cable, 7-rotating lever, 8-mounting box, 9-connecting rod, 10-L-shaped lever, 11-mounting tube, 12-nut, 13-connecting ring, 14-rotating gear, 15-screw, 16-driving motor, 17-screw rod, 18-first threaded tube, 19-moving rack, 20-sliding plate, 21-push rod, 22-driving rod, 23-swinging rod, 24-driving gear, 25-sliding sleeve, 26-fixed rack, 27-bearing plate, 28-first threaded ring, 29-threaded column, 30-moving gear, 31-stop rack, 32-reset lever, 33-reset gear, 34-positioning gear ring, 35-torsion spring, 36-mounting ring, 37-slip ring, 38-supporting shaft, 39-fixing cover, 40-pressure rod, 41-limiting ring, 42-supporting clamping plate, 43-moving clamping plate, 44-rubber strip, 45-moving plate, 46-rotating shaft, 47-rectangular column, 48-second threaded pipe, 49-wedge plate, 50-supporting plate, 51-second threaded ring, 52-positioning rod, 53-roller, 54-supporting rod, 55-supporting cover, 56-supporting spring, 57-pressing block, 58-pressure sensor and 59-display screen.
Detailed Description
The invention will be further described with reference to the accompanying drawings, without limiting the scope of the invention to the following:
the first embodiment is as follows: as shown in FIGS. 1-8, a cable performance testing device comprises a base 1, two limiting rods 2 are symmetrically and fixedly installed on the top of the base 1, limiting rings 41 are sleeved on the two limiting rods 2 in a sliding manner, one side of each of the two limiting rings 41 is fixedly installed with a same transmission plate 3, the transmission plate 3 is symmetrically and slidably connected with two installation covers 5, a same cable 6 is clamped on the two installation covers 5, the top of the base 1 is symmetrically and rotatably connected with two rotating rods 7, the top ends of the two rotating rods 7 are respectively rotatably connected with the two installation covers 5, an installation box 8 positioned on one side of the two rotating rods 7 is fixedly installed on the top of the base 1, two push rods 21 are symmetrically and slidably connected in the installation box 8, the ends of the two push rods 21, which are far away from each other, respectively extend to the two sides of the installation box 8, and connecting rods 9 positioned outside the installation box 8, the top ends of the two connecting rods 9 are rotatably connected with the same mounting tube 11, the mounting tube 11 is symmetrically and threadedly connected with two L-shaped rods 10, the ends, far away from each other, of the two L-shaped rods 10 are rotatably connected with the two rotating rods 7 respectively, a driving motor 16 is fixedly mounted on one side of the mounting box 8, and an output shaft of the driving motor 16 extends into the mounting box 8 and is in transmission connection with the two push rods 21 respectively;
sliding connection has support splint 42 on the bottom inner wall of installation cover 5, and sliding connection has movable clamp 43 on the support splint 42, the both ends of cable 6 extend to respectively in two installation covers 5, and cable 6 is located between support splint 42 and the movable clamp 43, support splint 42 all presss from both sides the dress with cable 6 with movable clamp 43 mutually, the top sliding connection of installation cover 5 has movable plate 45, and rotate on the movable plate 45 and be connected with pivot 46, the bottom of pivot 46 extend to in the installation cover 5 and with movable clamp 43 threaded connection.
According to the invention, nuts 12 are fixedly arranged at two ends of a mounting pipe 11, screw rods 15 are connected with the inner threads of the nuts 12, the thread directions of the two screw rods 15 are opposite, two ends of each screw rod 15 respectively extend to the outer side of the nut 12 and the inside of the mounting pipe 11, the mutually far ends of the two screw rods 15 are respectively and fixedly connected with the mutually close ends of the two L-shaped rods 10, a rotating gear 14 is fixedly sleeved on the mounting pipe 11, a fixed rack 26 is fixedly arranged at the other side of the top of the base 1, the rotating gear 14 is meshed with the fixed rack 26, two connecting rings 13 are symmetrically and rotatably sleeved on the mounting pipe 11, and the top ends of the two connecting rods 9 are respectively and rotatably connected with one sides.
In the invention, two sliding plates 20 are symmetrically and slidably connected in the installation box 8, the ends, close to each other, of two push rods 21 are fixedly connected with the sides, far away from each other, of the two sliding plates 20 respectively, the inner wall of the bottom of the installation box 8 is symmetrically and rotatably connected with two swinging rods 23 positioned between the two sliding plates 20, the ends, far away from each other, of the two swinging rods 23 are in transmission connection with the sides, close to each other, of the two sliding plates 20 respectively, and the output shaft of a driving motor 16 is in transmission connection with the two swinging rods 23 respectively.
In the invention, a screw rod 17 is fixedly installed on an output shaft of a driving motor 16, one end of the screw rod 17 is rotatably connected with the inner wall of one side of an installation box 8, a first threaded pipe 18 is connected on the screw rod 17 in a threaded manner, the first threaded pipe 18 is slidably connected with the inner wall of the bottom of the installation box 8, moving racks 19 are fixedly installed on two sides of the first threaded pipe 18, a transmission gear 24 is fixedly sleeved on a swing rod 23, the two transmission gears 24 are respectively meshed with the two moving racks 19, a transmission rod 22 is fixedly installed on one side, close to each other, of two sliding plates 20, a sliding sleeve 25 is slidably sleeved on the transmission rod 22, and the two swing rods 23 are respectively rotatably connected with the two sliding sleeves.
According to the invention, the same mounting ring 36 is fixedly mounted at the top ends of two limiting rods 2, two supporting plates 27 are symmetrically and slidably connected in the mounting ring 36, the top of each supporting plate 27 is rotatably connected with a first threaded ring 28, a threaded column 29 is connected in the first threaded ring 28 in a threaded manner, the top end and the bottom end of each threaded column 29 respectively extend to the upper side and the lower side of the mounting ring 36, two moving holes 4 are symmetrically formed in a driving plate 3, a sliding ring 37 is slidably connected in each moving hole 4, a supporting shaft 38 is fixedly mounted in each sliding ring 37, two ends of each supporting shaft 38 respectively extend to two sides of the driving plate 3 and are respectively and fixedly connected with the threaded column 29 and the mounting cover 5 in a sliding manner, two rotating rods 7 are respectively and rotatably connected with the two supporting shafts 38, and the two first threaded rings 28 are both in transmission connection with.
In the invention, the first threaded ring 28 is fixedly sleeved with the moving gear 30, the inner wall of one side of the mounting ring 36 is symmetrically and fixedly provided with two limiting racks 31, the two moving gears 30 are respectively meshed with the two limiting racks 31, the top of the supporting plate 27 is fixedly provided with the positioning toothed ring 34, the bottom of the moving gear 30 is symmetrically and rotatably connected with two reset rods 32, the bottom of each reset rod 32 is fixedly provided with the reset gear 33, the two reset gears 33 are both meshed with the positioning toothed ring 34, the reset rods 32 are sleeved with the torsion springs 35, and the top ends and the bottom ends of the torsion springs 35 are respectively and fixedly connected with the bottom of the moving gear 30 and the top of the reset gear 33.
The use method of the detection device comprises the following steps:
s1, inserting two ends of a cable 6 to be detected into two mounting covers 5 respectively, enabling the cable 6 to be located between a supporting clamping plate 42 and a moving clamping plate 43 respectively, then rotating a rotating shaft 46 to drive a rectangular column 47 to rotate, and enabling a second threaded pipe 48 to rotate, wherein the second threaded pipe 48 is in threaded connection with a second threaded ring 51, and rollers 53 on two sides are in contact with inclined surfaces of two wedge-shaped plates 49 respectively, so that when the second threaded pipe 48 rotates, the moving clamping plate 43 can be pushed to move downwards until the cable is matched with the supporting clamping plate 42 to clamp the cable preliminarily;
s2, the screw rod 17 is driven to rotate by starting the driving motor 16, at this time, the first threaded pipe 18 is driven to move, when the first threaded pipe 18 moves, the two moving racks 19 can be driven to move, at this time, the two swing rods 23 can be driven to rotate towards the sides far away from each other under the driving action of the two transmission gears 24, at this time, the two sliding plates 20 can be pushed to move away from each other, when the sliding plates 20 move, the push rods 21 can be driven to move, at this time, the mounting pipe 11 can be driven to move downwards by the two connecting rods 9, when the mounting pipe 11 moves downwards, the rotating gears 14 and the fixed racks 26 are in a meshed state, so that the mounting pipe 11 can also rotate while moving downwards, when the mounting pipe 11 rotates, the two screw rods 15 can be driven to move away from each other by the two nuts 12, at this time, the two L-shaped rods 10 can simultaneously push the two rotating rods 7 to rotate towards the sides far away from each other, the two mounting covers 5 can be far away from each other while the transmission plate 3 is driven to move downwards, and tension is generated on the cable 6;
s3, when the two mounting covers 5 are far away from each other, the inclined surface of the wedge-shaped plate 49 can generate pressure on the roller 53, so that the two roller 53 can drive the supporting plate 50 to move downwards, the supporting plate 50 can drive the movable clamping plate 43 to move downwards when moving downwards, and the clamping force on the cable 6 can be continuously increased under the cooperation of the supporting clamping plate 42, so that the clamping force on the cable 6 can be increased while the pulling force generated by the two mounting covers 5 is increased, and the problem of loosening when the cable 6 is stretched can be prevented;
s4, when the two rotation rods 7 rotate to the side away from each other, the two support shafts 38 are driven to move away from each other, at this time, the two threaded posts 29 are moved away from each other, when the threaded posts 29 move, the two first threaded rings 28 are driven to move, because the moving gear 30 is engaged with the limit rack 31, the first threaded rings 28 can also rotate while moving transversely, at this time, under the rotation action of the first threaded rings 28, the two threaded posts 29 can both move downwards, so that the support shafts 38 can be well matched to move, and when the moving gear 30 rotates, the two reset rods 32 can be driven to move annularly, because the reset gear 33 on the reset rod 32 is engaged with the positioning toothed ring 34, the reset rod 32 can also rotate when moving annularly, so that the torsion spring 35 can be in a stressed state, the torsion spring 35 in a stressed state can provide necessary reset force when the two mounting covers 5 approach each other to reset, so that the two mounting covers 5 can accurately move to the initial positions;
s5, when the two rotating rods 7 drive the two supporting shafts 38 to be away from each other, at the moment, the two fixing covers 39 can be driven to be away from each other, at the moment, the cable 6 is pulled down, the two pressing rods 40 can be in close contact with the pressure sensor 58, then, along with the increasing of the pulling force, the pressure applied to the pressure sensor 58 is increased, the pulling force applied to the cable 6 is equal to the pressure applied to the pressure sensor 58, meanwhile, the display screen 59 can accurately display the pressure value of the pressure sensor 58 until the cable 6 is straightened and deformed, the maximum pressure value borne by the cable 6 can be obtained at the moment, and the testing accuracy can be improved.
Example two: as shown in fig. 9 to 15, a cable performance testing apparatus of the present embodiment is different from the first embodiment in that: : two positioning rods 52 are symmetrically and fixedly installed at the top of the movable clamping plate 43, the same supporting plate 50 is connected onto the two positioning rods 52 in a sliding manner, a second threaded ring 51 is fixedly installed at the top of the supporting plate 50, a rectangular column 47 is fixedly installed at the bottom end of the rotating shaft 46, a second threaded pipe 48 is sleeved onto the rectangular column 47 in a sliding manner, the bottom end of the second threaded pipe 48 penetrates through the second threaded ring 51 and the supporting plate 50 respectively and is rotatably connected with the top of the movable clamping plate 43, the second threaded pipe 48 is in threaded connection with the second threaded ring 51, wedge plates 49 are fixedly installed on the inner walls of the two sides of the installation cover 5, rollers 53 are rotatably connected onto the two sides of the supporting plate 50 respectively and are in rolling contact with the inclined surfaces of the two wedge plates 49 respectively, supporting covers 55 are fixedly installed on the two sides of the supporting plate 42, supporting rods 54 are slidably connected with the supporting covers 55, the top ends of the two supporting rods 54 extend into the installation, a supporting spring 56 is fixedly arranged on the inner wall of the bottom of the supporting cover 55, the top end of the supporting spring 56 is fixedly connected with the bottom end of the supporting rod 54, a plurality of rubber strips 44 are fixedly arranged on the mutually close sides of the movable clamping plate 43 and the supporting clamping plate 42 at equal intervals, and a plurality of rubber strips 44 are closely contacted with the cable 6, one end of the supporting shaft 38 is fixedly provided with a fixing cover 39, a pressure lever 40 is connected in the fixed cover 39 in a sliding way, one end of the pressure lever 40 extends to the outer side of the fixed cover 39 and is fixedly connected with one side of the mounting cover 5, a pressing block 57 is fixedly mounted at the other end of the pressure lever 40, and a pressure sensor 58 is fixedly arranged on the inner wall of one side of the fixed cover 39, the press block 57 is contacted with the pressure sensor 58, a display screen 59 is fixedly arranged on one side of the fixed cover 39, and the base 1 is fixedly provided with a controller, and the two display screens 59, the two pressure sensors 58 and the driving motor 16 are all electrically connected with the controller.
The working principle is as follows: according to the technical scheme, two ends of a cable 6 to be detected are respectively inserted into two mounting covers 5, the cable 6 is respectively positioned between a supporting clamping plate 42 and a moving clamping plate 43, then a rotating shaft 46 can be rotated to drive a rectangular column 47 to rotate, so that a second threaded pipe 48 can be rotated, as the second threaded pipe 48 is in threaded connection with a second threaded ring 51, and rollers 53 on two sides are respectively in contact with inclined surfaces of two wedge-shaped plates 49, when the second threaded pipe 48 rotates, the moving clamping plate 43 can be pushed to move downwards until the cable is preliminarily clamped by matching with the supporting clamping plate 42, then a screw rod 17 is driven to rotate by starting a driving motor 16, at the moment, the first threaded pipe 18 can be driven to move, when the first threaded pipe 18 moves, two moving racks 19 can be driven to move, at the moment, under the transmission action of two transmission gears 24, the two swing rods 23 can be rotated towards the sides far away from each other, at this time, the two sliding plates 20 can be pushed to be far away from each other, when the sliding plates 20 move, the push rod 21 can be driven to move, at this time, the installation pipe 11 can be driven to move downwards through the two connecting rods 9, when the installation pipe 11 moves downwards, because the rotating gear 14 and the fixed rack 26 are in a meshed state, the installation pipe 11 can also rotate while moving downwards, when the installation pipe 11 rotates, the two screw rods 15 can be driven to be far away from each other through the two nuts 12, at this time, the two rotating rods 7 can be simultaneously pushed to be rotated towards the sides far away from each other through the two L-shaped rods 10, so that the two installation covers 5 can be far away from each other while the driving transmission plate 3 moves downwards, a pulling force is generated on the cable 6, when the two installation covers 5 are far away from each, at this time, the inclined surface of the wedge plate 49 can be used for generating pressure on the rollers 53, so that the two rollers 53 can drive the supporting plate 50 to move downwards, the supporting plate 50 can drive the movable clamping plate 43 to move downwards when moving downwards, at this time, the clamping force on the cable 6 can be continuously increased under the cooperation of the supporting clamping plate 42, so that the clamping force on the cable 6 can be increased when the pulling force generated by the two mounting covers 5 is increased, so that the problem of loosening when stretching the cable 6 can be prevented, when the two rotating rods 7 rotate to the side away from each other, the two supporting shafts 38 can be driven to be away from each other, at this time, the two threaded columns 29 can be away from each other, when the threaded columns 29 move, the two first threaded rings 28 can be driven to move, because the movable gear 30 is meshed with the limiting rack 31, the first threaded rings 28 can also rotate while moving transversely, at this time, under the rotation action of the first threaded ring 28, both the two threaded posts 29 can be moved downward, so as to be well matched with the support shaft 38 to move, and when the moving gear 30 rotates, both the reset rods 32 can be driven to perform circular motion, because the reset gear 33 on the reset rod 32 and the positioning toothed ring 34 are in a meshed state, the reset rod 32 can also perform self-rotation during the circular motion, so that the torsion spring 35 can be in a stressed state, the torsion spring 35 in the stressed state can provide necessary reset force when the two mounting covers 5 approach each other to reset, so as to realize that the two mounting covers 5 can be accurately moved to the initial position, when the two rotating rods 7 drive the two support shafts 38 to move away from each other, at this time, under the pulling of the cable 6, the two pressure rods 40 can be in close contact with the pressure sensor 58, then, as the pulling force is increased, the pressure applied to the pressure sensor 58 is increased, the pulling force applied to the cable 6 is equal to the pressure applied to the pressure sensor 58, and meanwhile, the display screen 59 can accurately display the pressure value of the pressure sensor 58 until the cable 6 is straightened and deformed, and the maximum pressure value which can be borne by the cable 6 can be obtained at this time.
The foregoing is merely a preferred embodiment of the invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to limit the invention to other embodiments, and to various other combinations, modifications, and environments and may be modified within the scope of the inventive concept as described herein by the teachings or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a cable performance check out test set, includes base (1), its characterized in that: the top of the base (1) is symmetrically and fixedly provided with two limiting rods (2), the two limiting rods (2) are respectively provided with a sliding sleeve with a limiting ring (41), one side of the two limiting rings (41) is fixedly provided with the same transmission plate (3), the transmission plate (3) is symmetrically and slidably connected with two installation covers (5), the two installation covers (5) are clamped with the same cable (6), the top of the base (1) is symmetrically and rotatably connected with two rotating rods (7), the top ends of the two rotating rods (7) are respectively and rotatably connected with the two installation covers (5), the top of the base (1) is fixedly provided with an installation box (8) positioned on one side of the two rotating rods (7), the installation box (8) is internally and symmetrically and slidably connected with two push rods (21), and the ends of the two push rods (21) which are far away from each other extend to the two sides of the installation box (8) respectively, the connecting rods (9) positioned on the outer side of the installation box (8) are rotatably connected to the push rods (21), the top ends of the two connecting rods (9) are rotatably connected with the same installation pipe (11), the installation pipe (1) is symmetrically and threadedly connected with two L-shaped rods (10), one ends, far away from each other, of the two L-shaped rods (10) are rotatably connected with the two rotating rods (7) respectively, a driving motor (16) is fixedly installed on one side of the installation box (8), and an output shaft of the driving motor (16) extends into the installation box (8) and is in transmission connection with the two push rods (21) respectively;
sliding connection has support splint (42) on the bottom inner wall of installation cover (5), and sliding connection has removal splint (43) on support splint (42), the both ends of cable (6) extend to respectively in two installation covers (5), and cable (6) are located support splint (42) and remove between splint (43), support splint (42) and remove splint (43) all press from both sides the dress with cable (6) mutually, the top sliding connection of installation cover (5) has movable plate (45), and rotates on movable plate (45) and be connected with pivot (46), the bottom of pivot (46) extend to in installation cover (5) and with remove splint (43) threaded connection.
2. The cable performance testing apparatus of claim 1, wherein: the equal fixed mounting in both ends of installation pipe (11) has nut (12), and nut (12) internal thread connection has screw rod (15), the screw thread opposite direction of two screw rods (15), the both ends of screw rod (15) extend to in the outside of nut (12) and installation pipe (11) respectively, the one end that two screw rods (15) kept away from each other respectively with two L type pole (10) one end fixed connection that are close to each other, fixed cover is equipped with rotating gear (14) on installation pipe (11), and the top opposite side fixed mounting of base (1) has fixed rack (26), rotating gear (14) mesh with fixed rack (26) mutually, the symmetry is rotated the cover and is equipped with two go-between (13) on installation pipe (11), and the top of two connecting rods (9) rotates with one side of two go-between (13) respectively and is connected.
3. The cable performance testing apparatus of claim 1, wherein: symmetrical sliding connection has two slides (20) in install bin (8), and one side fixed connection that one end that two push rods (21) are close to each other respectively kept away from each other with two slides (20), symmetrical rotation is connected with two swinging arms (23) that are located between two slides (20) on the bottom inner wall of install bin (8), and the one end that two swinging arms (23) were kept away from each other is connected with the one side transmission that two slides (20) are close to each other respectively, the output shaft of driving motor (16) is connected with two swinging arms (23) transmission respectively.
4. A cable performance testing apparatus according to claim 3, wherein: fixed mounting has lead screw (17) on the output shaft of driving motor (16), and the one end of lead screw (17) rotates with one side inner wall of install bin (8) and is connected, threaded connection has first screwed pipe (18) on lead screw (17), and the bottom inner wall sliding connection of first screwed pipe (18) and install bin (8), the equal fixed mounting in both sides of first screwed pipe (18) has removal rack (19), and fixed cover is equipped with drive gear (24) on swinging arms (23), and two drive gear (24) mesh with two removal racks (19) respectively mutually, and the equal fixed mounting in one side that two slides (20) are close to each other has transfer line (22), and sliding sleeve (25) on transfer line (22), and two swinging arms (23) rotate with two sliding sleeves (25) respectively and are connected.
5. The cable performance testing apparatus of claim 1, wherein: the top ends of the two limiting rods (2) are fixedly provided with the same mounting ring (36), the mounting ring (36) is internally and symmetrically connected with two bearing plates (27) in a sliding manner, the top of each bearing plate (27) is rotatably connected with a first threaded ring (28), the first threaded ring (28) is internally and slidably connected with a threaded column (29), the top end and the bottom end of each threaded column (29) respectively extend to the upper part and the lower part of the corresponding mounting ring (36), the transmission plate (3) is symmetrically provided with two moving holes (4), the moving holes (4) are internally and slidably connected with sliding rings (37), the sliding rings (37) are internally and fixedly provided with supporting shafts (38), the two ends of each supporting shaft (38) respectively extend to the two sides of the transmission plate (3) and are respectively and fixedly connected with the threaded columns (29) and the mounting cover (5) in a sliding manner, and the two rotating rods (7) are respectively and rotatably connected with the, the two first threaded rings (28) are in transmission connection with the inner wall of the mounting ring (36).
6. The cable performance testing apparatus of claim 5, wherein: fixed cover is equipped with removal gear (30) on first screw ring (28), and one side inner wall symmetry fixed mounting of collar (36) has two spacing racks (31), and two removal gear (30) mesh with two spacing racks (31) respectively mutually, the top fixed mounting of bearing board (27) has location ring gear (34), and the bottom symmetry of removing gear (30) rotates and is connected with two release link (32), the bottom fixed mounting of release link (32) has reset gear (33), and two reset gear (33) all mesh with location ring gear (34) mutually, the cover is equipped with torsion spring (35) on release link (32), and the top and the bottom of torsion spring (35) respectively with the bottom of removing gear (30) and the top fixed connection of reset gear (33).
7. The cable performance testing apparatus of claim 1, wherein: the top symmetry fixed mounting who removes splint (43) has two locating levers (52), and sliding connection has same backup pad (50) on two locating levers (52), the top fixed mounting of backup pad (50) has second screw thread ring (51), the bottom fixed mounting of pivot (46) has rectangle post (47), and sliding connection is equipped with second screwed pipe (48) on rectangle post (47), the bottom of second screwed pipe (48) runs through second screw thread ring (51) and backup pad (50) respectively and rotates with the top that removes splint (43) and be connected, second screwed pipe (48) and second screw thread ring (51) threaded connection.
8. The cable performance testing apparatus of claim 7, wherein: the mounting cover is characterized in that wedge plates (49) are fixedly mounted on inner walls of two sides of the mounting cover (5), rollers (53) are rotatably connected to two sides of the supporting plate (50), the two rollers (53) are in rolling contact with inclined surfaces of the two wedge plates (49) respectively, supporting covers (55) are fixedly mounted on two sides of the supporting clamping plates (42), supporting rods (54) are slidably connected in the supporting covers (55), the top ends of the two supporting rods (54) extend into the mounting cover (5) and are fixedly connected with two sides of the movable clamping plate (43) respectively, supporting springs (56) are fixedly mounted on the inner wall of the bottom of each supporting cover (55), the top ends of the supporting springs (56) are fixedly connected with the bottom ends of the supporting rods (54), a plurality of rubber strips (44) are fixedly mounted at equal intervals on one side, close to each other, of the movable clamping plate (43) and the supporting clamping plate (, and a plurality of rubber strips (44) are all in close contact with the cable (6).
9. The cable performance testing apparatus of claim 5, wherein: the one end fixed mounting of back shaft (38) has fixed cover (39), and sliding connection has depression bar (40) in fixed cover (39), the one end of depression bar (40) extend to the outside of fixed cover (39) and with one side fixed connection of installation cover (5), the other end fixed mounting of depression bar (40) has briquetting (57), and fixed mounting has pressure sensor (58) on one side inner wall of fixed cover (39), briquetting (57) contact with pressure sensor (58), one side fixed mounting of fixed cover (39) has display screen (59), and fixed mounting has the controller on base (1), two display screens (59), two pressure sensor (58) and driving motor (16) all with controller electric connection.
10. Use of a cable performance testing device according to any of claims 1-9, characterized in that: it comprises the following steps:
s1, two ends of a cable (6) to be detected are inserted into the two mounting covers (5) respectively, the cable (6) is located between the supporting clamping plate (42) and the movable clamping plate (43) respectively, then the rotating shaft (46) can be rotated to drive the rectangular column (47) to rotate, the second threaded pipe (48) can be rotated, the second threaded pipe (48) is in threaded connection with the second threaded ring (51), and the rollers (53) on two sides are in contact with the inclined surfaces of the two wedge-shaped plates (49) respectively, so that when the second threaded pipe (48) rotates, the movable clamping plate (43) can be pushed to move downwards until the cable is matched with the supporting clamping plate (42) to clamp the cable preliminarily;
s2, the screw rod (17) is driven to rotate by starting the driving motor (16), the first threaded pipe (18) can be driven to move, when the first threaded pipe (18) moves, the two moving racks (19) can be driven to move, at the moment, under the transmission action of the two transmission gears (24), the two swinging rods (23) can be driven to rotate towards the side away from each other, at the moment, the two sliding plates (20) can be pushed to move away from each other, when the sliding plates (20) move, the push rod (21) can be driven to move, at the moment, the installation pipe (11) can be driven to move downwards by the two connecting rods (9), when the installation pipe (11) moves downwards, because the rotating gear (14) and the fixed rack (26) are in a meshed state, the installation pipe (11) can also rotate while moving downwards, when the installation pipe (11) rotates, the two screw rods (15) can be driven to be away from each other through the two nuts (12), at the moment, the two rotating rods (7) can be simultaneously pushed to rotate towards the sides away from each other through the two L-shaped rods (10), and the two mounting covers (5) can be further away from each other while the transmission plate (3) is driven to move downwards, so that tension is generated on the cable (6);
s3, when the two mounting covers (5) are far away from each other, the inclined surface of the wedge-shaped plate (49) can be used for generating pressure on the roller (53), so that the two roller (53) can drive the support plate (50) to move downwards, the support plate (50) can drive the movable clamping plate (43) to move downwards when moving downwards, and the clamping force on the cable (6) can be continuously increased under the cooperation of the support clamping plate (42), so that the clamping force on the cable (6) can be increased while the tensile force generated by the two mounting covers (5) is increased, and the problem of loosening when the cable (6) is stretched can be prevented;
s4, when the two rotating rods (7) rotate towards the side away from each other, the two supporting shafts (38) can be driven to be away from each other, at the moment, the two threaded columns (29) can be away from each other, when the threaded columns (29) move, the two first threaded rings (28) can be driven to move, because the moving gear (30) is meshed with the limiting rack (31), the first threaded rings (28) can also rotate while moving transversely, at the moment, under the rotating action of the first threaded rings (28), the two threaded columns (29) can both move downwards, so that the two threaded columns can be well matched with the supporting shafts (38) to move, and when the moving gear (30) rotates, the two reset rods (32) can be driven to do annular motion, because the reset gear (33) on the reset rods (32) is meshed with the positioning toothed ring (34), therefore, the reset rod (32) can rotate when moving circularly, so that the torsion spring (35) is in a stressed state, and the torsion spring (35) in the stressed state can provide necessary reset force when the two mounting covers (5) approach each other to reset, so that the two mounting covers (5) can accurately move to the initial positions;
s5, when two support shafts (38) are driven to be away from each other by two rotating rods (7), two fixing covers (39) can be driven to be away from each other at the moment, under the pulling of the cable (6), two pressure rods (40) can be in close contact with the pressure sensor (58), then the pressure applied to the pressure sensor (58) is increased along with the increase of the pulling force, the pulling force applied to the cable (6) is equal to the pressure applied to the pressure sensor (58), meanwhile, the display screen (59) can accurately display the pressure value of the pressure sensor (58) until the cable (6) is straightened and deformed, the maximum pressure value which can be borne by the cable (6) can be obtained at the moment, and the testing accuracy can be improved.
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| CN113970484A (en) * | 2021-10-27 | 2022-01-25 | 国网山东省电力公司莱阳市供电公司 | Tension test method and device for power transmission line |
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