CN112345363B - Cable performance measuring equipment - Google Patents
Cable performance measuring equipment Download PDFInfo
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- CN112345363B CN112345363B CN201910723590.3A CN201910723590A CN112345363B CN 112345363 B CN112345363 B CN 112345363B CN 201910723590 A CN201910723590 A CN 201910723590A CN 112345363 B CN112345363 B CN 112345363B
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- fixing device
- fixing
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- 238000005259 measurement Methods 0.000 claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
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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
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
-
- 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
-
- 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
-
- 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
-
- 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
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses cable performance measurement equipment which comprises a frame, a distance measuring device and a stretching mechanism, wherein the distance measuring device and the stretching mechanism are arranged on the frame, the stretching mechanism comprises a first fixing device, a second fixing device, a traction device and a force sensor, the first fixing device is fixed on the frame, the second fixing device is arranged on the frame in a sliding mode, the distance measuring device senses the position of the second fixing device on the frame, the traction device is connected to the second fixing device and drives the second fixing device to slide in a reciprocating straight line relative to the first fixing device, the force sensor is respectively connected with the second fixing device and the traction device, the force sensor is electrically connected with the traction device, and the traction device is linked to perform a stopping motion when the force sensor senses that the acting force between the second fixing device and the traction device is equal to a parameter value preset in the force sensor, so that the traction device can stop in time, the position of the second fixing device is the same as the position of the last position of the second fixing device in actual stopping time, and the accuracy of cable performance measurement is improved.
Description
Technical Field
The invention relates to the technical field of cable measurement, in particular to cable performance measurement equipment.
Background
With the development of technology, the functional modules of various electromechanical devices are continuously increased, cables are increasingly used in each functional module or among the functional modules, cables in the devices are increasingly dense, and the continuous development of the cable industry is caused, so that higher requirements are put forward on the cables, various performances of the cables are measured for checking whether the cables meet production requirements, and the tensile performance of the cables is an important index for evaluating whether the cables are qualified.
In the existing cable elastic modulus parameter measurement equipment, the cable elastic modulus parameter measurement equipment generally comprises a first clamping mechanism, a second clamping mechanism, a tension sensor, a movable scale and a stretching mechanism which are oppositely arranged, wherein the movable scale is arranged on a frame and is used for conveniently recording the movement stroke of the first clamping mechanism, the first clamping mechanism is connected with the tension sensor and is fixed on the frame, and the stretching mechanism is connected with the second clamping mechanism so that the second clamping mechanism moves far away or close to the first clamping mechanism. Before measurement, the two ends of the cable are respectively fixed on the first clamping mechanism and the second clamping mechanism, the current position of the second clamping mechanism is recorded through the movable scale, then the second clamping mechanism is started to stretch the cable, after the tension sensor senses that the tension reaches a preset value F, the stretching mechanism is stopped, the position of the second clamping mechanism at the moment is recorded, and the tensile modulus of the cable can be obtained through calculation according to the recorded data through a calculation formula. However, the tension sensor reflects the tension applied by the first clamping mechanism, and the second clamping mechanism is driven by the stretching mechanism, so that when the tension sensor senses that the tension reaches the preset value F, the second clamping mechanism is still pulled by the stretching mechanism, so that the stretching mechanism cannot synchronously stop, the position of the last second clamping mechanism deviates from the position of the last second clamping mechanism in actual stop, and the measuring and calculating result of the cable tensile modulus deviates greatly.
Accordingly, there is a need for a cable performance measurement apparatus with high measurement accuracy to overcome the above-mentioned drawbacks.
Disclosure of Invention
The invention aims to provide cable performance measuring equipment with high measuring accuracy.
In order to achieve the above purpose, the cable performance measurement device of the invention comprises a frame, a distance measuring device and a stretching mechanism, wherein the distance measuring device and the stretching mechanism are arranged on the frame, the stretching mechanism comprises a first fixing device, a second fixing device, a traction device and a force sensor, the first fixing device is fixed on the frame, the second fixing device is arranged on the frame in a sliding manner, the distance measuring device senses the position of the second fixing device on the frame, the traction device is connected with the second fixing device and drives the second fixing device to slide in a reciprocating straight line relative to the first fixing device, the force sensor is respectively connected with the second fixing device and the traction device, the force sensor is electrically connected with the traction device, and the force sensor is used for linking the traction device to stop the machine when sensing the acting force between the second fixing device and the traction device is equal to a preset parameter value in the force sensor.
Preferably, the first fixing device and/or the second fixing device fix the cable in a clamping or binding manner.
Preferably, the traction device is an air cylinder or a hydraulic cylinder or a screw mechanism.
Preferably, the traction device is slidably arranged on the frame.
Preferably, the stretching mechanism further comprises a sliding component, the sliding component comprises a sliding rail and a stretching sliding block matched with the sliding rail to slide, the sliding rail is fixed on the frame, and the second fixing device is connected to the stretching sliding block.
Preferably, the sliding component further comprises an adjusting sliding block, the adjusting sliding block is matched with the sliding rail to slide, and the traction device is connected with the adjusting sliding block.
Preferably, the stretching mechanism further comprises a base body, the base body is arranged on the frame, the sliding rail is arranged on the base body, and the first fixing device is arranged on the base body
Preferably, the first fixing device and/or the second fixing device are/is a plate-shaped piece, the plate-shaped piece is provided with a fixing part, and the fixing part is provided with a binding notch for fixing the cable.
Preferably, the fixing portion of the plate member protrudes from the base.
Preferably, the force sensor is a tension sensor or a pressure sensor.
Preferably, the pressure sensor is connected with a sensing unit, and the sensing unit is aligned with the second fixing device.
Preferably, the distance measuring device is a grating ruler or a light sensor or a laser sensor.
Preferably, the automatic control device further comprises a starting switch and a scram switch, wherein the starting switch, the traction device, the distance measuring device and the scram switch are electrically connected.
Compared with the prior art, the force sensor of the cable performance measurement equipment is respectively connected with the second fixing device and the traction device, the force sensor is electrically connected with the traction device, the force sensor senses that the acting force between the second fixing device and the traction device is equal to the parameter value preset in the force sensor, the traction device is linked to stop moving, so that the traction device can stop sliding in time, the position of the second fixing device at the last position is the same as the position of the second fixing device at the actual stop time, and the distance measuring device can accurately record the position of the second fixing device at the stop time, thereby improving the accuracy of cable performance measurement.
Drawings
Fig. 1 is a schematic perspective view of a cable performance measuring apparatus of the present invention.
Fig. 2 is a schematic perspective view of the stretching mechanism of the present invention.
Fig. 3 is a schematic perspective view of another angle of the hidden connection block in fig. 2.
Detailed Description
In order to describe the technical content and constructional features of the present invention in detail, the following description will be made with reference to the embodiments in conjunction with the accompanying drawings.
The invention relates to a cable performance measurement equipment rack, a distance measuring device and a stretching mechanism, wherein the distance measuring device and the stretching mechanism are arranged on the rack, the stretching mechanism comprises a first fixing device, a second fixing device, a traction device and a force sensor, the first fixing device is fixed on the rack, the second fixing device is arranged on the rack in a sliding mode, the distance measuring device senses the position of the second fixing device on the rack, the traction device is connected to the second fixing device and drives the second fixing device to slide in a reciprocating straight line relative to the first fixing device, the force sensor is respectively connected with the second fixing device and the traction device, the force sensor is electrically connected with the traction device, and the force sensor is used for linking the traction device to stop when the force sensor senses that the acting force between the second fixing device and the traction device is equal to a preset parameter value in the force sensor. Specifically, the first fixing device fixes the cable in a binding mode, the first fixing device and/or the second fixing device are/is a plate-shaped piece, the plate-shaped piece is provided with a fixing part, and a binding notch for fixing the cable is formed in the fixing part, so that the cable is bound to the fixing part more conveniently; it is understood that, according to practical needs, the first fixing device and/or the second fixing device may fix the cable in a clamping or clamping manner, which is not limited thereto. For example, the force sensor is a pressure sensor, the pressure sensor is connected with a sensing unit, the sensing unit is aligned with the second fixing device, the setting of the sensing unit prolongs the triggering end of the pressure sensor, so that the acting force of the second fixing device is transmitted to the pressure sensor, and it can be understood that the force sensor can be selectively set as the pressure sensor according to actual needs, so that the pressure sensor is not limited thereto.
It should be noted that the following description is only a preferred embodiment of the present invention, and of course, in other embodiments, all cable performance measuring apparatuses including a rack, a distance measuring device and a stretching mechanism fall within the scope of the present invention, and the following embodiments are not limited thereto.
Referring to fig. 1 to 3, the cable performance measurement apparatus 100 of the present invention is suitable for measuring mechanical properties of a cable (not shown), such as, but not limited to, testing young's modulus of the cable. The cable performance measurement device 100 comprises a frame 10, a distance measuring device 20, a stretching mechanism 30, a start switch 40 and an emergency stop switch 50, wherein the distance measuring device 20, the stretching mechanism 30, the start switch 40 and the emergency stop switch 50 are arranged on the frame 10, the stretching mechanism 30 comprises a first fixing device 31, a second fixing device 32, a traction device 33 and a force sensor 34, the first fixing device 31 is fixed on the frame 10, the second fixing device 32 is slidably arranged on the frame 10, the distance measuring device 20 senses the position of the second fixing device 32 on the frame 10, the traction device 33 is connected with the second fixing device 32 and drives the second fixing device 32 to slide in a reciprocating straight line relative to the first fixing device 31, the force sensor 34 is respectively connected with the second fixing device 32 and the traction device 33, the force sensor 34 is electrically connected with the traction device 33, and the force sensor 34 senses that the action force between the second fixing device 32 and the traction device 33 is equal to a preset parameter value in the force sensor 34 to stop the linkage traction device 33. After the two ends of the cable are respectively fixed on the first fixing device 31 and the second fixing device 32, the traction device 33 drives the second fixing device 32 to linearly slide far away from each other relative to the first fixing device 31, and when the force sensor 34 senses that the acting force between the second fixing device 32 and the traction device 33 is equal to the preset parameter value in the force sensor, the traction device 33 is linked to perform stopping movement, so that the final position of the second fixing device 32 is the same as the position of the second fixing device when the cable is actually stopped, the distance measuring device 20 can accurately measure and record the position of the second fixing device 32 when the cable is actually stopped, and the cable performance measuring equipment 100 achieves the aim of high measuring accuracy when the mechanical performance of the cable is measured. Specifically, the starting switch 40, the traction device 33, the ranging device 20 and the emergency stop switch 50 are electrically connected, the convenience of the starting action of the cable performance measurement device 100 is effectively improved by the arrangement of the starting switch 40, and the cable performance measurement device 100 can be rapidly stopped by pressing the emergency stop switch 50 if an accident happens, so that safety is ensured. For example, the distance measuring device 20 is a light sensor, which measures the position of the second fixing device 32 without actually making physical contact with the second fixing device 32, so as to reduce errors caused by mechanical motion friction or vibration; it is understood that, according to practical needs, the distance measuring device 20 may be alternatively configured as a laser sensor or a grating ruler, which is not limited thereto. More specifically, the following is:
referring to fig. 1 to 3, the traction device 33 is slidably disposed on the frame 10, so that the position of the traction device 33 on the frame 10 is adjusted according to cables with different lengths, so that the second fixing device 32 can fix the cables, for example, the traction device 33 is an air cylinder, and the traction device 33 can be a hydraulic cylinder or a screw mechanism according to practical needs, so that the choice of the traction device 33 is not limited thereto. Specifically, the stretching mechanism 30 further includes a sliding component 35 and a base 36, the sliding component 35 includes a sliding rail 351, a stretching slider 352 and an adjusting slider 353 that slide in cooperation with the sliding rail 351, the sliding rail 351 is fixed on the frame 10, the second fixing device 32 is connected to the stretching slider 352, and the traction device 33 is connected to the adjusting slider 353, so as to facilitate driving the second fixing device 32 to slide in a reciprocating straight line relative to the first fixing device 31, and in addition, the position adjustment of the traction device 33 on the frame 10 is simpler and more convenient. For example, in the present embodiment, the cylinder barrel of the cylinder is connected to the adjusting slider 353 through the connecting block 331, the piston rod of the cylinder is connected to the second fixing device 32, so that the connection between the cylinder and the adjusting slider 353 is more stable, and the cylinder can quickly drive the second fixing device 32 to slide. The base 36 is mounted on the frame 10, the slide rail 351 is mounted on the base 36, and the first fixing device 31 is mounted on the base 36, so that the stretching mechanism 30 is more independent and integral, and the stretching mechanism 30 can be conveniently mounted and replaced on the frame 10.
Referring to fig. 1 to 3, the first fixing device 31 and the second fixing device 32 fix the cable in a binding manner, so that both ends of the cable are quickly and simply fixed to the first fixing device 31 and the second fixing device 32, respectively. Specifically, the first fixing device 31 and the second fixing device 32 are plate-shaped pieces, the plate-shaped pieces are provided with a fixing portion 311, a binding notch 312 for fixing the cable is formed in the fixing portion 311, and the end portion of the cable can be clamped into the binding notch 312 and then bound with the fixing portion 311 more stably and firmly. In order to facilitate the binding of the two ends of the cable to the first fixing means 31 and the second fixing means 32, respectively, the fixing portion 311 of the plate-like member protrudes beyond the seat 36. It should be understood that, according to practical needs, the first fixing device 31 and/or the second fixing device 32 may alternatively fix the cable in a clamping or clamping manner, which is not limited thereto.
Referring to fig. 1 to 3, the force sensor 34 is a pressure sensor, and a sensing unit 341 is connected to the pressure sensor, the sensing unit 341 is aligned with the second fixing device 32, and the sensing unit 341 extends a trigger end of the pressure sensor, so that a force of the second fixing device 32 is transmitted to the pressure sensor. For example, the other end of the pressure sensor opposite to the sensing unit 341 is connected to the baffle 37, and is connected to the cylinder barrel of the cylinder through the baffle 37, so that the acting force of the cylinder pulling the second fixing device 32 to move is fully sensed by the pressure sensor. It will be appreciated that the force sensor 34 may alternatively be a tension sensor, but is not limited thereto, and that one end of the tension sensor is connected to the second fixing device 32 and the other end of the tension sensor is connected to the piston rod of the cylinder.
The operation principle of the cable performance measuring apparatus 100 of the present invention will be described with reference to fig. 1 to 3: the traction device 33 is operated to slide along the slide rail 351 to a proper position, so that the first fixing device 31 and the second fixing device 32 adapt to the length of the cable to be measured, then one end of the cable is clamped into the binding notch 312 of the fixing portion 311 of the first fixing device 31 and is fixed on the first fixing device 31 in a binding manner, and the other end of the cable is clamped into the binding notch 312 of the fixing portion 311 of the second fixing device 32 and is also fixed on the second fixing device 32 in a binding manner. When the start switch 40 is pressed down, the distance measuring device 20 measures and records the current position of the second fixing device 32, the traction device 33 drives the second fixing device 32 to slide relatively far away from the first fixing device 31 in a straight line, so that the second fixing device 32 is abutted against the sensing unit 341 connected with the pressure sensor, the traction device 33 continuously drives the second fixing device 32, the acting force between the second fixing device 32 and the traction device 33 sensed by the pressure sensor is continuously increased, when the acting force between the second fixing device 32 and the traction device 33 sensed by the pressure sensor is equal to the preset parameter value in the traction device, the pressure sensor is linked with the traction device 33 to perform stop motion, and therefore the traction device 33 is not driven to the second fixing device 32 any more, the second fixing device 32 can stop sliding in time, and the position of the second fixing device 32 at last is the same as the position of the actual stop time, so that the distance measuring device 20 accurately records the position of the second fixing device 32 at the stop sliding time, and the accuracy of the measurement of the cable performance is improved, and the working principle is as described above.
Compared with the prior art, the force sensor 34 of the cable performance measuring equipment 100 is respectively connected with the second fixing device 32 and the traction device 33, the force sensor 34 is electrically connected with the traction device 33, the force sensor 34 senses that the force between the second fixing device 32 and the traction device 33 is equal to the preset parameter value in the force sensor, and the traction device 33 is linked to stop moving, so that the traction device 33 can stop moving in time, the second fixing device 32 stops sliding in time, the position of the second fixing device 32 at the last is the same as the position of the second fixing device 32 at the actual stop time, and therefore the distance measuring device 20 can accurately record the position of the second fixing device 32 at the stop of sliding, and the accuracy of cable performance measurement is improved.
The foregoing disclosure is only illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.
Claims (13)
1. The utility model provides a cable performance measurement equipment, is applicable to and measures the mechanical properties of cable, its characterized in that: the automatic traction device comprises a frame, a distance measuring device and a stretching mechanism, wherein the distance measuring device and the stretching mechanism are installed on the frame, the stretching mechanism comprises a first fixing device, a second fixing device, a traction device and a force sensor, the first fixing device is fixed on the frame, the second fixing device is slidably arranged on the frame, the distance measuring device senses the position of the second fixing device on the frame, the traction device is connected with the second fixing device and drives the second fixing device to slide relatively to the first fixing device in a reciprocating straight line, the force sensor is respectively connected with the second fixing device and the traction device, the force sensor is electrically connected with the traction device, and the force sensor senses that acting force between the second fixing device and the traction device is equal to a preset parameter value in the traction device, and the traction device is in linkage for stopping movement.
2. Cable performance measurement apparatus according to claim 1, wherein the first and/or second fixing means fix the cable in a clamping or gripping or binding manner.
3. Cable performance measurement apparatus according to claim 1, wherein the traction device is a pneumatic or hydraulic cylinder or a screw mechanism.
4. The cable performance measurement apparatus of claim 1, wherein the traction device is slidably disposed on the frame.
5. The cable performance measurement apparatus of claim 4, wherein the stretching mechanism further comprises a sliding assembly comprising a sliding rail and a stretching slide cooperatively sliding with the sliding rail, the sliding rail being fixed to the frame, the second fixing device being connected to the stretching slide.
6. The cable performance measurement apparatus of claim 5, wherein the slip assembly further comprises an adjustment slide that is cooperatively slid onto the slide rail, the traction device being coupled to the adjustment slide.
7. The cable performance measurement apparatus of claim 5, wherein the stretching mechanism further comprises a housing mounted to the frame, the slide rail is mounted to the housing, and the first fixing device is mounted to the housing.
8. The cable performance measurement apparatus of claim 7, wherein the first fixing device and/or the second fixing device is/are a plate-shaped member, the plate-shaped member has a fixing portion, and the fixing portion is provided with a binding notch for fixing the cable.
9. The cable performance measurement apparatus according to claim 8, wherein the fixing portion of the plate-like member protrudes beyond the housing.
10. The cable performance measurement apparatus of claim 1, wherein the force sensor is a tension sensor or a pressure sensor.
11. The cable performance measurement apparatus of claim 10, wherein the pressure sensor has a sensing unit attached thereto, the sensing unit being aligned with the second fixture.
12. Cable performance measurement apparatus according to claim 1, wherein the distance measuring device is a grating ruler or a light sensor or a laser sensor.
13. The cable performance measurement apparatus of claim 1, further comprising a start switch and a scram switch, wherein the start switch, the traction device, the distance measuring device, and the scram switch are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910723590.3A CN112345363B (en) | 2019-08-06 | 2019-08-06 | Cable performance measuring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910723590.3A CN112345363B (en) | 2019-08-06 | 2019-08-06 | Cable performance measuring equipment |
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| CN112345363A CN112345363A (en) | 2021-02-09 |
| CN112345363B true CN112345363B (en) | 2023-12-19 |
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| CN201910723590.3A Active CN112345363B (en) | 2019-08-06 | 2019-08-06 | Cable performance measuring equipment |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114427928B (en) * | 2022-02-07 | 2024-03-22 | 北京半导体专用设备研究所（中国电子科技集团公司第四十五研究所） | Multi-directional disturbance force testing device and testing method for cable |
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