CN209623595U - A kind of power cable bending radius measuring device - Google Patents
A kind of power cable bending radius measuring device Download PDFInfo
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- CN209623595U CN209623595U CN201822255960.9U CN201822255960U CN209623595U CN 209623595 U CN209623595 U CN 209623595U CN 201822255960 U CN201822255960 U CN 201822255960U CN 209623595 U CN209623595 U CN 209623595U
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- pulley
- bending radius
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- support bar
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Abstract
The utility model discloses a kind of power cable bending radius measuring devices, it include tourelle, support device main control unit and sensor unit, the support device includes the first measurement arm and the second measurement arm, third measures arm and the 4th measurement arm, the first measurement arm and the second measurement arm are detachably connected, the second measurement arm and third measurement arm are detachably connected, the third measurement arm and the 4th measurement arm are detachably connected, the tourelle includes first pulley, second pulley and third pulley, the first pulley, second pulley is separately mounted to the first measurement arm, the front end of 4th measurement, the third pulley is removably mounted at the binding site of the second measurement arm and third measurement arm, the main control unit is mounted on the front end of the first measurement arm, sensor unit is mounted on described On three pulleys, sensor unit is electrically connected with main control unit；Device is easy for assemble or unload, saves manpower, reduces measurement error, applied widely.
Description
Technical field
The utility model relates to power measurement field, specially a kind of power cable bending radius measuring device.
Background technique
In power cable construction, the course of receiving, the bending radius of cable directly affects safe operation and the electricity of cable
The cable service life.Power cable bending radius in cable laying operation or operation is less than specified value will lead in cable when expanded by heating
Side insulation layer is pressurized, outer insulation tension is more than limit value, in the galvano-cautery for adding alternating current, insulating layer quickening can be made to harden,
Aging can directly result in the destruction of its internal structure, finally cause insulation breakdown, lead to safe mass accident.
Cable Bending Radius measurement method mainly includes action method, arc-length methods and line-of-sight course；Action method is only applicable in electricity
Cable the inner side of curve carries out the measurement of bending radius, and cut-off angle is needed during measuring；Arc-length methods are only applicable in cable curve
Outside carries out the measurement of bending radius, and experiment curv is needed during measuring；And line-of-sight course requirement takes the waist of isosceles triangle
Long and bottom side length, overcomes the inconvenience at action method cut-off angle and arc-length methods experiment curv, more convenient.Current cable construction,
When examination, bending radius measurement usually is carried out using tape measure according to line-of-sight course principle.
In actual use, there are following several respects when measuring Cable Bending Radius using 3 tape measure methods:
1, when with 3 tape measure methods, operating experience abundant is needed, and more demanding to operator Personal Skills, increased
The error generated in big measurement process；
2, after measuring, scene needs to carry out formula calculating, larger to the worker's difficulty for lacking calculating experience；
3, for the scene of bending radius measurement can only be carried out in cable extra curvature, when measuring a value with 3 tape measure methods not
Convenient, measurement difficulty is larger；
4, when due to 3 tape measurings, height is required to operator, and scene is needed to calculate, measurement is caused to take a long time,
It is lower to measure working efficiency.
Chinese patent, publication number: publication date: 103954206 A of CN on July 30th, 2014, discloses a kind of electric power
Cable Bending Radius measuring scale.Solves the technology for lacking the device of rapid survey Cable Bending Radius on the spot at present
Problem.A kind of power cable bending radius measuring scale, including a chord member are installed with one perpendicular to chord member at chord member center
Slideway, chord member both ends are respectively provided with one perpendicular to chord member and isometric bar leg；Slide scale is installed in slideway；The one of slideway
Side is equipped with the jackscrew limited to slide scale.Since the device measures arch height H by measuring scale, the length B of chord member into
And=(B2+4H2)/8H is calculated outside the radius R of source cut cable position, cable will be finally subtracted outside cable bend section outer radius R
Diameter is 6 bending radius of cable, requires to calculate due to measuring every time, operator is required it is high, measurement it is time-consuming compared with
Long, measurement working efficiency is lower.
Utility model content
The utility model aim be solve the practical tape measure of existing 3 mensurations caused by measurement accuracy it is low, measurement difficulty compared with
Greatly, the low problem of measurement efficiency proposes a kind of power cable bending radius measuring device, by installing electricity in measuring device
Force detector part, make power cable bending radius measuring device realize " intelligence computation " and " quick lock in minimum bending radius with
The functions such as corresponding bending angle ", realize cable construction, in the course of receiving Cable Bending Radius whether meet the requirements of the standard it is quick
Decision-making function.
To realize the above-mentioned technical purpose, a kind of technical solution provided by the utility model is a kind of power cable bending half
Calipers, include tourelle, support device main control unit and sensor unit, and the support device includes
First support bar and second support bar, third support rod and the 4th support rod, the first support bar and second support bar
It is slidably connected, the third support rod and the 4th support rod are slidably connected, and the second support bar and the third support rod can
Dismantling connection, the rolling unit include first pulley, second pulley and third pulley, the first pulley and described the
One end of one support rod is detachably connected, and the second pulley and one end of the 4th support rod are detachably connected, and described
Three pulleys are removably mounted at the binding site of the second support bar and the third support rod, and the main control unit includes
Main control chip, shell, display screen, power supply unit, setting button and external circuit, the shell are fixed at described first
Support rod one end, the main control chip, power supply unit and external circuit are fixed in the shell, and the display screen is embedding
Set on the housing, the setting button install on the housing and with the ipsilateral setting of the display screen, the sensor
Unit is arranged in the second pulley, and the signal output end of the sensor unit is electrically connected with the main control chip.We
In case, when measurement, three isometrical pulleys in measuring device are close to tested bending cable surfaces, and pass through pulley rolling realization
Sliding of the device on cable surface, including two support rod stainless steel material production, pole length supported on both sides is line-of-sight course
In b value, according to live actual measurement range, brachium has been fixed as two grades of adjustable, sliding processes of 0.5m and 0.25m by this device
In, the bending radius and corresponding angle calculated automatically will be shown on a display screen, and quick lock in minimum bending radius and correspondence
Angle is finally completed the measurement work of power cable bending radius, and the device is easy for assemble or unload, easy to operate, greatlys save people
Power reduces measurement error, applied widely.
Further, the side of the second support bar is provided with first sliding groove, is corresponding to institute in the first support bar
The position for stating first sliding groove is provided with sliding block.In the present solution, setting sliding slot and corresponding sliding block, allow two arms opposite
It is mobile, so that more measurement actual needs adjustment support rod is long, improve the conformability of device.
Further, the both ends of the second support bar are provided with a pair of of limit screw hole, and the first support bar passes through
Stop screw is detachably connected with the second support bar.In the present solution, detachably being linked using screw, it is easier to which support rod is long
Adjustment.
Further, the side of the third support rod is provided with second sliding slot, on the 4th support rod described in correspondence
The position of second sliding slot is provided with sliding block.In the present solution, setting sliding slot and corresponding sliding block, allow two arms are opposite to move
It is dynamic, so that more measurement actual needs adjustment support rod is long, improve the conformability of device.
Further, the both ends of the third support rod are respectively provided with there are two screw hole is limited, and the first support bar passes through
Stop screw is detachably connected with the second support bar.In the present solution, detachably being linked using screw, it is easier to which support rod is long
Adjustment.
Further, the first pulley, second pulley and third pulley pass through screw and are removably mounted at correspondence
Position.In the present solution, being not easy to cause to damage to cable using pulley rolling measurement.
Further, the screw head, which is cased with, stirs fingerstall.In the present solution, the fingerstall of stirring is conveniently adjusted spiral shell
The tightness of nail.
Further, the sensor unit includes angular transducer, and the angular displacement that the angular transducer measures has
Imitating stroke is 0 ~ 360 °.In the present solution, angular transducer has fast high-precision, high reliability, tracking velocity, high-low temperature resistant, prevents
Aqueous energy is good, is the ideal chose for meeting harsh environment application demand.
The utility model has the beneficial effects that 1, power cable bending radius measuring device former 3 tape measure methods are used it is soft
Matter tape measure is improved to hard stainless steel material, and in measurement process, stainless steel support rod deformation is small, reduces by 3 tape measure methods and measured
The error generated in journey；
2, power cable bending radius measuring device measurement process is simple, is bent by built-in single-chip microcomputer integrated circuit
Radius measurement avoids the live computational problem of former 3 tape measure methods, to operator when reducing measurement Cable Bending Radius
Technical ability and the dependence for calculating experience；
3, power cable bending radius measuring device realizes the visualization of Cable Bending Radius measurement result, passes through device liquid crystal
Display module can directly read measurement point cable minimum bending radius and corresponding angle；
4, power cable bending radius measuring device can cable curve medial and lateral carry out bending radius measurement, it can be achieved that
5, power cable bending radius measuring device structure is simple, easy to carry.The device uses foldable structure, after folding
It is small in size, it is convenient for carrying at construction, the scene of examination；
6, power cable bending radius measuring device substantially reduces the measurement bending radius used time.It is bent using power cable
After radius measurement,
7, by field test, Yuan Sandian tape measure method depends on operator's operating experience, and needs subsequent calculating, at least
Two people's conjunction measurings are needed, working efficiency is low, error is big, and existing power cable bending radius measuring device can single behaviour
Make, and intelligence computation and quick lock in minimum bending radius and corresponding angle function may be implemented, entire measurement process is averagely used
When 1min, substantially reduce Cable Bending Radius time of measuring, improve work efficiency, the labour for alleviating operating personnel is strong
Degree guarantees cable construction and acceptance quality, to ensure that zero hidden danger of cable body is gone into operation.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of power cable bending radius measuring device of the utility model.
Fig. 2 is a kind of main control unit schematic diagram of power cable bending radius measuring device of the utility model.
Description of symbols in figure: button is arranged in 1- main control unit, 2- sensor unit, 11- shell, 12- display screen, 13-,
31- first support bar, 32- second support bar, 33- third support rod, the 4th support rod of 34-, 41- first pulley, 42- second are sliding
Wheel, 43- third pulley.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, with reference to the accompanying drawing and implement
Example is described in further detail the utility model, it should be appreciated that the specific embodiments described herein are only this realities
The protection scope of the utility model, ability are not limited only to explain the utility model with a kind of novel most preferred embodiment
It is practical new to belong to this for domain those of ordinary skill every other embodiment obtained without making creative work
The range of type protection.
Embodiment 1: as shown in Figure 1, a kind of power cable bending radius measuring device, includes tourelle, support dress
Set main control unit 1 and sensor unit 2, the support device includes first support bar 31 and second support bar 32, and
Three support rods 33 and the 4th support rod 34, the first support bar 31 and second support bar 32 are slidably connected, the third
Support rod 33 and the 4th support rod 34 are slidably connected, and the second support bar 32 and the third support rod 33 are detachably connected,
The rolling unit includes first pulley 41, second pulley 42 and third pulley 43, the first pulley 41 and described the
One end of one support rod 31 is detachably connected, and the second pulley 42 and one end of the 4th support rod 34 are detachably connected,
The third pulley 43 is removably mounted at the binding site of the second support bar 32 and the third support rod 33, the master
Control unit 1 include main control chip (not shown), shell 11, display screen 12, power supply unit (not shown), setting button 13 and
External circuit (not shown), the shell 11 are fixed at described 31 one end of first support bar, and the main control chip (does not show
Out), power supply unit (not shown) and external circuit (not shown) are fixed in the shell 11, and the display screen 12 is embedding
Cover in the upper of the shell 11, the setting button 13 be mounted on the shell 11 and with the ipsilateral setting of the display screen 12,
The sensor unit 2 is arranged in the second pulley 42, the signal output end of the sensor unit 2 and the master control core
The electrical connection of piece (not shown).In the present embodiment, when measurement, three isometrical pulleys in measuring device are close to tested bending cables
Surface, and made by sliding of the pulley rolling realization device on cable surface, including two support rod stainless steel materials, two
Side support bar length is the b value in line-of-sight course, according to live actual measurement range, this device by brachium be fixed as 0.5m and
Two grades of 0.25m adjustable, and in sliding process, the bending radius and corresponding angle calculated automatically will be shown on the display 12, and fast
Speed locking minimum bending radius and corresponding angle are finally completed the measurement work of power cable bending radius, the device installing and dismounting
It is convenient, it is easy to operate, manpower is greatlyd save, measurement error is reduced, it is applied widely.
Further, the side of the second support bar 32 is provided with first sliding groove, right in the first support bar 31
The position of the first sliding groove is answered to be provided with sliding block.In the present embodiment, sliding slot and corresponding sliding block are set, so that two arms can
With relative movement, so that more measurement actual needs adjustment support rod is long, the conformability of device is improved.
Further, the both ends of the second support bar 32 are provided with a pair of of limit screw hole, the first support bar 31
It is detachably connected by stop screw and the second support bar 32.In the present embodiment, detachably linked using screw, it is easier to
The long adjustment of support rod.
Further, the side of the third support rod 33 is provided with second sliding slot, corresponds on the 4th support rod 34
The position of the second sliding slot is provided with sliding block.In the present embodiment, sliding slot and corresponding sliding block are set, so that two arms can be with
Relative movement improves the conformability of device so that more measurement actual needs adjustment support rod is long.
Further, the both ends of the third support rod 33 be respectively provided with there are two limit screw hole, the first support bar 31
It is detachably connected by stop screw and the second support bar 32.In the present embodiment, detachably linked using screw, it is easier to
The long adjustment of support rod.
Further, the first pulley 41, second pulley 42 and third pulley 43 are detachably installed by screw
In corresponding position.In the present embodiment, using pulley rolling measurement it is not easy that cable is caused to damage.
Further, the screw head, which is cased with, stirs fingerstall.In the present embodiment, the fingerstall of stirring is conveniently adjusted
The tightness of screw.
Further, the sensor unit 2 includes angular transducer, and the angular displacement that the angular transducer measures has
Imitating stroke is 0 ~ 360 °.In the present embodiment, angular transducer have high-precision, high reliability, tracking velocity fastly, high-low temperature resistant,
Waterproof performance is good, is the ideal chose for meeting harsh environment application demand.
Embodiment 2: it is illustrated in figure 21 schematic diagram of main control unit of utility model device, is arranged on the shell 11
Functional key, the function key are respectively " zero-bit correction key ", " power key ", " brachium selection key " and " reset key ", measurement
Before, " power key " booting is pressed first, presses reset key, and then lying against bar supported on both sides opening makes support rod on horizontal plane
In horizontality, " zero-bit correction key " is pressed, initial measurement angle can be set to 0 °, suitable brachium is selected to be surveyed
Amount, next carries out measurement work again；When measurement, three isometrical pulleys in measuring device are close to tested bending cable table
Face, and pass through sliding of the pulley rolling realization device on cable surface.In sliding process, the bending radius that calculates automatically and right
It answers angle that will show on the display 12, and quick lock in minimum bending radius and corresponding angle, it is curved to be finally completed power cable
Bilge radius measures work.
The specific embodiment of the above is a kind of the preferable of power cable bending radius measuring device of the utility model
Embodiment, limits the specific implementation range of the utility model not with this, and the scope of the utility model includes being not limited to this
Specific embodiment, equivalence changes made by all shape, structures according to the utility model are in the protection model of the utility model
In enclosing.
Claims (8)
1. a kind of power cable bending radius measuring device, it is characterised in that: include tourelle, support device, master control list
First (1) and sensor unit (2), the support device include first support bar (31) and second support bar (32), the
Three support rods (33) and the 4th support rod (34), the first support bar (31) and second support bar (32) are slidably connected,
The third support rod (33) and the 4th support rod (34) are slidably connected, the second support bar (32) and the third support rod
(33) it is detachably connected, the tourelle includes first pulley (41), second pulley (42) and third pulley (43), institute
It states first pulley (41) and one end of the first support bar (31) is detachably connected, the second pulley (42) and the described 4th
One end of support rod (34) is detachably connected, and the third pulley (43) is removably mounted at the second support bar (32) and institute
State the binding site of third support rod (33), the main control unit (1) include main control chip, shell (11), display screen (12),
Power supply unit, setting button (13) and external circuit, the shell (11) are fixed at the first support bar (31) one
End, in the shell (11), the display screen (12) is nested in for the main control chip, power supply unit and external circuit setting
On the shell (11), the setting button (13) be mounted on the shell (11) and with the display screen (12) is ipsilateral sets
Set, the sensor unit (2) is arranged on the second pulley (42), the signal output end of the sensor unit (2) with
The main control chip electrical connection.
2. a kind of power cable bending radius measuring device according to claim 1, it is characterised in that: second support
The side of bar (32) is provided with first sliding groove, is provided on the first support bar (31) in the position of the correspondence first sliding groove
Sliding block.
3. a kind of power cable bending radius measuring device according to claim 1 or 2, it is characterised in that: described second
The both ends of support rod (32) are provided with a pair of of limit screw hole, and the first support bar (31) passes through stop screw and described second
Support rod (32) is detachably connected.
4. a kind of power cable bending radius measuring device according to claim 1, it is characterised in that: the third support
The side of bar (33) is provided with second sliding slot, and the position that the second sliding slot is corresponded on the 4th support rod (34) is provided with cunning
Block.
5. a kind of power cable bending radius measuring device according to claim 3, it is characterised in that: the third support
The both ends of bar (33) are respectively provided with there are two screw hole is limited, and the first support bar (31) passes through stop screw and second support
Bar (32) is detachably connected.
6. a kind of power cable bending radius measuring device according to claim 1, it is characterised in that: the first pulley
(41), second pulley (42) and third pulley (43) are removably mounted at corresponding position by screw.
7. a kind of power cable bending radius measuring device according to claim 6, it is characterised in that: the head of screw
Portion, which is cased with, stirs fingerstall.
8. a kind of power cable bending radius measuring device according to claim 1, it is characterised in that: the sensor list
First (2) include angular transducer, and the angular displacement effective travel that the angular transducer measures is 0 ~ 360 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822255960.9U CN209623595U (en) | 2018-12-29 | 2018-12-29 | A kind of power cable bending radius measuring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822255960.9U CN209623595U (en) | 2018-12-29 | 2018-12-29 | A kind of power cable bending radius measuring device |
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| CN209623595U true CN209623595U (en) | 2019-11-12 |
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| CN201822255960.9U Active CN209623595U (en) | 2018-12-29 | 2018-12-29 | A kind of power cable bending radius measuring device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109883303A (en) * | 2018-12-29 | 2019-06-14 | 国网浙江省电力有限公司金华供电公司 | A kind of power cable bending radius measuring device |
| CN112985291A (en) * | 2019-12-12 | 2021-06-18 | 中国矿业大学 | Optical fiber curvature sensor calibration control equipment |
-
2018
- 2018-12-29 CN CN201822255960.9U patent/CN209623595U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109883303A (en) * | 2018-12-29 | 2019-06-14 | 国网浙江省电力有限公司金华供电公司 | A kind of power cable bending radius measuring device |
| CN112985291A (en) * | 2019-12-12 | 2021-06-18 | 中国矿业大学 | Optical fiber curvature sensor calibration control equipment |
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