CN110057677B - Tension detector - Google Patents
Tension detector Download PDFInfo
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- CN110057677B CN110057677B CN201910183643.7A CN201910183643A CN110057677B CN 110057677 B CN110057677 B CN 110057677B CN 201910183643 A CN201910183643 A CN 201910183643A CN 110057677 B CN110057677 B CN 110057677B
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- 238000001514 detection method Methods 0.000 claims abstract description 47
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 238000003825 pressing Methods 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 3
- 230000005484 gravity Effects 0.000 abstract description 7
- 208000027418 Wounds and injury Diseases 0.000 abstract description 6
- 230000006378 damage Effects 0.000 abstract description 6
- 208000014674 injury Diseases 0.000 abstract description 6
- 230000009471 action Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 230000001788 irregular Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000000137 annealing Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 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
- G01N3/02—Details
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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
- 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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- 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)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a tension detector, which comprises a base, wherein a supporting and rotating assembly is arranged in the middle of the base, a detection mechanism is arranged at one end of the supporting and rotating assembly, and a clamping mechanism is arranged at the other end of the supporting and rotating assembly; the support rotating assembly is added to realize the support and rotating action of the workpiece to be detected, and the mechanical properties of the workpiece are tested by matching with the detection mechanism and the clamping mechanism, so that the purposes of providing support for the workpiece to be detected, eliminating the influence of the gravity of the workpiece to be detected, realizing the detection of the mechanical properties of the workpiece to be detected in different directions, reducing the risk of injury of staff and improving the data acquisition precision are achieved.
Description
Technical Field
The utility model relates to the technical field of detectors, in particular to a tension detector.
Background
Various materials, parts, components and whole machines or the whole building in industrial production need to be tested to determine the mechanical properties of the materials, the parts, the components and the whole building, and the test can determine the quality of the product performance.
The traditional tension detector generally adopts a vertical type, and in the actual detection process, the gravity of the component can sometimes cause inaccuracy of data, thereby influencing the detection accuracy of the data. And traditional tensile force detection can only detect mechanical properties of the component in a single direction, and detection in other directions can be performed only after the component is adjusted in a manual mode, and a mode has a large potential safety hazard.
The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a tension detector to achieve the purposes of providing support for a to-be-detected piece, eliminating the influence of self gravity of the to-be-detected piece, realizing detection of mechanical properties of the to-be-detected piece in different directions, reducing risk of injury of staff and improving data acquisition precision.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the tension detector comprises a base, wherein a supporting and rotating assembly is arranged in the middle of the base, a detection mechanism is arranged at one end of the supporting and rotating assembly, and a clamping mechanism is arranged at the other end of the supporting and rotating assembly;
the supporting and rotating assembly comprises a pair of parallel balance rods and a rotating assembly arranged on the balance rods and used for rotating a workpiece, and the balance rods are arranged on the base through first hydraulic cylinders;
the detection mechanism comprises a detection support, a second hydraulic cylinder is arranged on the detection support, a tension detector is arranged at the head end of the hydraulic cylinder, and the tension detector is connected with a first hydraulic clamp through a connecting rod;
the clamping mechanism comprises a clamping support, the clamping support and the detection support are symmetrically arranged on two sides of the supporting rotating assembly, a second hydraulic clamp is arranged on the clamping support, the first hydraulic clamp and the second hydraulic clamp are arranged between a pair of balance bars, and a connecting line of the first hydraulic clamp and the second hydraulic clamp is parallel to the balance bars.
According to the utility model, the supporting and rotating functions of the workpiece to be detected are realized by adding the supporting and rotating assembly, and the mechanical properties of the workpiece are tested by matching with the detecting mechanism and the clamping mechanism, so that the purposes of supporting the workpiece to be detected, eliminating the influence of the gravity of the workpiece to be detected, realizing the detection of the mechanical properties of the workpiece to be detected in different directions, reducing the risk of injury of staff and improving the data acquisition precision are achieved.
Preferably, the rotating assembly comprises a lower rotating motor arranged on the base, a cross beam arranged above the base, and an upper rotating motor arranged on the cross beam and matched with the lower rotating motor;
the height of the cross beam is higher than the heights of the detection bracket and the clamping bracket;
the end part of the driving shaft of the lower rotating motor is provided with a telescopic rod, the telescopic rod is arranged between two balance rods, the bottom end of the telescopic rod is provided with a circular arrangement disc, and the center of the bottom of the circular arrangement disc is provided with a prismatic jacking hole;
the driving shaft of the upper rotating motor is downwards arranged, an electric lifting rod is arranged at the end part of the driving shaft of the upper rotating motor, three horizontal rods are arranged at the end part of the electric lifting rod, the three horizontal rods are positioned in the same horizontal plane, the planes of the three horizontal rods are perpendicular to the electric lifting rod, the three horizontal rods are uniformly distributed around the bottom end of the electric lifting rod, and a pressing column is connected to the lower surface of the end part of the horizontal rod through a spring and is parallel to the electric lifting rod. The clamping rotation of the workpiece to be detected is realized by using the upper rotating motor, the lower rotating motor, the telescopic rod and the electric annealing press, so that the detection direction of the workpiece to be detected is adjusted, and the surface of the workpiece to be detected can be clung to the surface of the workpiece to be detected when the surface of the workpiece to be detected is irregular by using the three horizontal rods, the springs and the pressing columns arranged at the horizontal end parts, and the clamping quality of the workpiece to be detected is ensured.
Preferably, the balance bar is provided with a groove matched with the circular arrangement disc, and the circular arrangement disc is kept horizontal with the upper surface of the balance bar when placed in the groove.
Preferably, a length adjusting rod and a connecting rod with the same length as the length adjusting rod are further arranged between the detection support and the clamping support, the length adjusting rod comprises a main rod and an auxiliary rod embedded in the main rod, an annular knob ring is sleeved at the head end of the main rod, an upright post is arranged in the knob ring, and clamping teeth are arranged on the outer side wall of the knob ring; the outer side of the auxiliary rod is provided with a thread groove matched with the upright post; the auxiliary rod can drive the knob ring to rotate when displacing relative to the main rod.
The rotary knob is characterized in that an index plate and a pointer are arranged on the connecting rod, the pointer is tightly attached to the index plate, the pointer is mutually independent with the index plate, scales are arranged on the surface of the index plate, and saw teeth matched with the clamping teeth of the knob ring are arranged on the side walls around the index plate. Through length adjustment pole, connecting rod and index plate and the pointer of setting on the connecting rod for the length variation of waiting to detect the piece at the testing process changes into angle variation, in order to detect the detection of length when waiting to detect the piece deformation.
Preferably, the clamping mechanism is further provided with an adjusting motor, the shaft end of the adjusting motor is meshed with a driving shaft through a gear arranged at the shaft end, one end of the driving shaft is arranged on the clamping support, the driving shaft rotates under the driving of the adjusting motor, and the second hydraulic pliers are arranged at the other end of the driving shaft. The adjusting motor and the gear arranged at the end part of the adjusting motor are utilized to drive the driving shaft, so that the driving shaft rotates to change the angle of the second hydraulic clamp, the second hydraulic clamp can clamp the workpiece to be detected more freely, and the clamping quality of the workpiece to be detected is ensured.
Preferably, a circle of teeth meshed with the gear is arranged in the middle of the driving shaft, and the teeth do not exceed the side face of the driving shaft. The middle part of the driving shaft is directly provided with a circle of clamping teeth meshed with the gear, so that the driven gear is replaced, the cost is reduced, and meanwhile, the clamping teeth are directly formed on the driving shaft, so that the integrity of the driving shaft is ensured, and the service life of the driving shaft is prolonged.
Preferably, the tension detector is further connected with a record storage, and the record storage is used for timely recording data detected by the tension detector.
The utility model has the following advantages:
1. according to the utility model, the supporting and rotating functions of the workpiece to be detected are realized by adding the supporting and rotating assembly, and the mechanical properties of the workpiece are tested by matching with the detecting mechanism and the clamping mechanism, so that the purposes of supporting the workpiece to be detected, eliminating the influence of the gravity of the workpiece to be detected, realizing the detection of the mechanical properties of the workpiece to be detected in different directions, reducing the risk of injury of staff and improving the data acquisition precision are achieved.
2. According to the utility model, the clamping rotation of the workpiece to be detected is realized by using the upper rotating motor, the lower rotating motor, the telescopic rod and the electric dead-reckoning press, so that the detection direction of the workpiece to be detected is adjusted, and the three horizontal rods, the springs and the pressing columns arranged at the horizontal end parts are utilized to enable the surface of the workpiece to be detected to be clung to the surface of the workpiece to be detected even if the surface of the workpiece to be detected is irregular, so that the clamping quality of the workpiece to be detected is ensured.
3. According to the utility model, through the length adjusting rod, the connecting rod, and the index plate and the pointer arranged on the connecting rod, the length change of the to-be-detected part in the detection process is converted into the angle change, so that the length detection during the deformation of the to-be-detected part is conveniently detected.
4. According to the utility model, the driving shaft is driven by the adjusting motor and the gear arranged at the end part of the adjusting motor, so that the driving shaft rotates to change the angle of the second hydraulic clamp, the second hydraulic clamp can clamp the workpiece to be detected more freely, and the clamping quality of the workpiece to be detected is ensured.
5. According to the utility model, the middle part of the driving shaft is directly provided with a circle of latch meshed with the gear, so that the installation of the driven gear is replaced, the cost is reduced, and meanwhile, the latch is directly formed on the driving shaft, so that the integrity of the driving shaft is ensured, and the service life of the driving shaft is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic front view of a tension detecting machine according to an embodiment of the present utility model;
FIG. 2 is a schematic front view of a drive shaft in a tension tester according to an embodiment of the present utility model;
FIG. 3 is a schematic front view of a knob ring in a tension tester according to an embodiment of the present utility model;
corresponding part names are indicated by numerals and letters in the drawings:
1. base 21, balance bar 22, lower rotary motor 23, cross beam 24, upper rotary motor 25, telescopic bar
26. Circular mounting plate 27, electric lifting rod 281, horizontal rod 282, spring 283, press post 29, recess
31. Detection bracket 32, second hydraulic cylinder 33, tension detector 34, connecting rod 35, first hydraulic pliers
36. A recording reservoir 41, a clamping bracket 42, a second hydraulic clamp 43, an adjustment motor 44, a gear
45. Drive shaft 46, latch 51, link 52, main rod 53, auxiliary rod 54, knob ring 541, column
542. Latch 55, thread groove 56, indexing disk 57, pointer.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
The utility model provides a tension detector, which has the working principle that the supporting and rotating functions of a piece to be detected are realized by adding a supporting and rotating component, and the mechanical properties of a workpiece are tested by matching with a detecting mechanism and a clamping mechanism, so that the aims of providing the support for the piece to be detected, eliminating the influence of the gravity of the piece to be detected, realizing the detection of the mechanical properties of the piece to be detected in different directions, reducing the risk of injury of staff and improving the data acquisition precision are fulfilled.
The present utility model will be described in further detail with reference to examples and embodiments.
1-3, a tension detector comprises a base 1, wherein a supporting and rotating assembly is arranged in the middle of the base, one end of the supporting and rotating assembly is provided with a detection mechanism, the other end of the supporting and rotating assembly is provided with a clamping mechanism, and a length detection mechanism is further arranged between the detection mechanism and the clamping mechanism;
the support rotation assembly includes a pair of parallel balance bars 21 and a rotation assembly provided at the balance bars for rotating the workpiece.
Wherein:
the rotating assembly comprises a lower rotating motor 22 arranged on the base, a cross beam 23 arranged above the base and an upper rotating motor 24 arranged on the cross beam and matched with the lower rotating motor;
the height of the cross beam is higher than the heights of the detection bracket and the clamping bracket;
the end part of the driving shaft of the lower rotating motor is provided with a telescopic rod 25, the telescopic rod is arranged between the two balance rods, the bottom end of the telescopic rod is provided with a circular arrangement disc 26, and the center of the bottom of the circular arrangement disc is provided with a prismatic jacking hole;
the driving shaft of the upper rotating motor is arranged downwards, an electric lifting rod 27 is arranged at the end part of the driving shaft of the upper rotating motor, three horizontal rods 281 are arranged at the end part of the electric lifting rod, the three horizontal rods are positioned in the same horizontal plane, the planes of the three horizontal rods are vertical to the electric lifting rod, the three horizontal rods are uniformly distributed around the bottom end of the electric lifting rod, a pressing column 283 is connected to the lower surface of the end part of the horizontal rod through a spring 282, and the pressing column is parallel to the electric lifting rod;
the balance bar is arranged on the base through a first hydraulic cylinder, a groove 29 matched with the circular arrangement disc is formed in the balance bar, and the circular arrangement disc is kept horizontal with the upper surface of the balance bar when placed in the groove.
The detection mechanism comprises a detection support 31, a second hydraulic cylinder 32 is arranged on the detection support, a tension detector 33 is arranged at the head end of the hydraulic cylinder, the tension detector is connected with a first hydraulic clamp 35 through a connecting rod 34, the tension detector is further connected with a recording storage 36, and the recording storage is used for timely recording data detected by the talkback tension detector.
The clamping mechanism comprises a clamping bracket 41, the clamping bracket and the detection bracket are symmetrically arranged at two sides of the supporting rotating assembly, a second hydraulic clamp 42 is arranged on the clamping bracket, the first hydraulic clamp and the second hydraulic clamp are arranged between a pair of balance bars, and the connecting line of the first hydraulic clamp and the second hydraulic clamp is parallel to the balance bars;
the clamping mechanism is further provided with an adjusting motor 43, the shaft end of the adjusting motor is meshed with a driving shaft 45 through a gear 44 arranged at the shaft end, one end of the driving shaft is arranged on the clamping support, a circle of latch 46 meshed with the gear is arranged in the middle of the driving shaft, the latch does not exceed the side face of the driving shaft, the driving shaft rotates under the action of the adjusting motor, the gear and the latch, and the second hydraulic pliers are arranged at the other end of the driving shaft.
The length detection mechanism comprises a length adjusting rod and a connecting rod 51, wherein the length adjusting rod is arranged between the detection support and the clamping support, the connecting rod is equal to the length adjusting rod in length, the length adjusting rod comprises a main rod 52 and an auxiliary rod 53 embedded in the main rod, a ring-shaped knob ring 54 is sleeved at the head end of the main rod, an upright column 541 is arranged in the knob ring, and a latch 542 is arranged on the outer side wall of the knob ring; the outer side of the auxiliary rod is provided with a thread groove 55 matched with the upright post; the auxiliary rod can drive the knob ring to rotate when displacing relative to the main rod.
The connecting rod is provided with an index plate 56 and a pointer 57, the pointer is tightly attached to the index plate, the pointer is mutually independent of the index plate, the surface on the index plate is provided with scales, and the peripheral side wall of the index plate is provided with saw teeth matched with the teeth of the knob ring.
The specific using steps of the utility model are as follows: as shown in fig. 1-3, in the actual use process, the height of the balance bar 21 is adjusted by using the first hydraulic cylinder to make the balance bar and the first hydraulic pliers 35 and the second hydraulic pliers 42 be at a uniform horizontal height, meanwhile, the telescopic bar 25 at the end of the lower rotating motor 22 is pulled out (for convenient operation, the telescopic bar is also set as an electric telescopic bar here), and the circular placing tray 26 is arranged at the end of the telescopic bar through the prismatic lifting hole at the bottom of the device (for ensuring the stability of the circular placing tray in the up-down process, a placing block matched with the lifting hole can be arranged at the top of the telescopic bar, and the area of the top of the placing block can be selected according to the actual requirement, so that the circular placing tray can be stably supported.
Then the piece to be detected is placed on the circular placing disc 26, the telescopic rod is slowly retracted until the circular placing disc is clamped in the groove 29 formed in the surface of the balance rod 21, and the piece to be detected is positioned on the balance rod 21 and plays a main supporting role in the piece to be detected through balance feeling.
After the above steps are completed, one end of the piece to be detected is clamped by the second hydraulic pliers 42 mounted on the detection support (because the bottom of the mounting plate is provided with the lower rotating motor 22, when the irregular piece to be detected is encountered, the position of the piece to be detected can be adjusted through the lower rotating motor or the position of the piece to be detected can be adjusted by a worker directly when the piece to be detected is placed, the first hydraulic pliers can be clamped firmly preferentially), then the driving shaft is rotated by the adjusting motor 43 and the gear 44 according to the actual condition of the other end of the piece to be detected, and the angle of the second hydraulic pliers 42 is adjusted, so that the other end of the piece to be detected can be clamped conveniently.
After the clamping of the to-be-detected piece is completed, the second hydraulic cylinder 32 is started, the to-be-detected piece can deform to a certain extent under the action of the second hydraulic cylinder 32, and the tension detector 33 can detect the tension received by the to-be-detected piece at the moment and store the tension in time through the record memory 36. When the piece to be detected is deformed, the auxiliary rod 53 can generate certain displacement along the main rod 52, and due to the knob ring at the end part of the auxiliary rod, the column 541 matched with the thread groove 55 on the auxiliary rod is arranged inside the knob ring, so that along with the movement of the auxiliary rod, the knob ring 54 can rotate, the reading disc generates certain rotation when passing through the teeth on the outer side wall of the latch and the dividing disc 56, and at the moment, a worker can calculate the deformation length of the piece to be detected at the moment only by the angle difference generated by the front pointer 57 and the rear pointer 57, and the change of the length adjusting rod is more convenient to directly obtain. (in order to ensure accurate measurement of the length, the detection support can be designed to be movable to reduce the interaction force generated on the length adjusting rod, and the movable detection support only needs to be provided with a sliding rail at the bottom of the detection support, and the relative stability of the detection mechanism is ensured by using a clamping mechanism under the condition that the second hydraulic cylinder does not work.)
When the mechanical properties of the to-be-detected piece in different directions are required to be detected, the first hydraulic clamp 35 and the second hydraulic clamp 42 are loosened, the electric lifting rod 27 enables the three horizontal rods 281 to descend until the three pressing columns abut against the surface of the to-be-detected piece, due to the existence of the springs, the pressing columns can abut against the to-be-detected piece even if the to-be-detected piece is uneven, meanwhile, the telescopic rod 25 lifts up until abutting against the circular arrangement disc, at the moment, the lower rotating motor and the upper rotating motor are simultaneously started, the circular arrangement disc rotates to adjust the direction of the to-be-detected piece (the circular arrangement disc can be pushed out of the balance rod through the telescopic rod to further facilitate the rotation of the circular arrangement disc), after the specified position is reached, the telescopic rod and the electric lifting rod are retracted, the circular arrangement disc is returned into the groove of the balance rod, and then detection is carried out according to the steps above, and the method is achieved
In the whole process, the electric lifting rod, the first hydraulic cylinder, the second hydraulic cylinder, the upper rotating motor, the lower rotating motor, the regulating motor, the first hydraulic clamp, the second hydraulic clamp and the tension detector are all controlled by the intelligent control terminal, and as the control circuit is relatively common, a person skilled in the art can clearly know the control circuit, and therefore the control terminal and the circuit thereof are not repeated. At the same time, the person skilled in the art can choose other clamping members to replace the hydraulic pliers according to the actual situation.
Through the mode, the tension detector provided by the utility model has the advantages that the supporting and rotating functions of the workpiece to be detected are realized through the addition of the supporting and rotating component, and the mechanical properties of the workpiece are tested by matching with the detecting mechanism and the clamping mechanism, so that the aims of supporting the workpiece to be detected, eliminating the influence of self gravity of the workpiece to be detected, realizing the detection of the mechanical properties of the workpiece to be detected in different directions, reducing the risk of injury of staff and improving the data acquisition precision are fulfilled.
While the utility model has been described with respect to the preferred embodiments of the tension tester disclosed herein, it should be noted that variations and modifications can be made by those skilled in the art without departing from the inventive concept, which falls within the scope of the utility model.
Claims (4)
1. The tension detector comprises a base, and is characterized in that a supporting rotating assembly is arranged in the middle of the base, a detecting mechanism is arranged at one end of the supporting rotating assembly, and a clamping mechanism is arranged at the other end of the supporting rotating assembly;
the supporting and rotating assembly comprises a pair of parallel balance rods and a rotating assembly arranged on the balance rods and used for rotating a workpiece, and the balance rods are arranged on the base through first hydraulic cylinders;
the detection mechanism comprises a detection support, a second hydraulic cylinder is arranged on the detection support, a tension detector is arranged at the head end of the hydraulic cylinder, and the tension detector is connected with a first hydraulic clamp through a connecting rod;
the clamping mechanism comprises a clamping bracket, the clamping bracket and the detection bracket are symmetrically arranged at two sides of the supporting rotating assembly, a second hydraulic clamp is arranged on the clamping bracket, the first hydraulic clamp and the second hydraulic clamp are arranged between a pair of balance bars, and the connecting line of the first hydraulic clamp and the second hydraulic clamp is parallel to the balance bars;
the rotating assembly comprises a lower rotating motor arranged on the base, a cross beam arranged above the base and an upper rotating motor arranged on the cross beam and matched with the lower rotating motor;
the height of the cross beam is higher than the heights of the detection bracket and the clamping bracket;
the end part of the driving shaft of the lower rotating motor is provided with a telescopic rod, the telescopic rod is arranged between two balance rods, the bottom end of the telescopic rod is provided with a circular arrangement disc, and the center of the bottom of the circular arrangement disc is provided with a prismatic jacking hole;
the driving shaft of the upper rotating motor is downwards arranged, an electric lifting rod is arranged at the end part of the driving shaft of the upper rotating motor, three horizontal rods are arranged at the end part of the electric lifting rod and are positioned in the same horizontal plane, the planes of the three horizontal rods are vertical to the electric lifting rod, the three horizontal rods are uniformly distributed around the bottom end of the electric lifting rod, a pressing column is connected to the lower surface of the end part of the horizontal rod through a spring, and the pressing column is parallel to the electric lifting rod;
the balance rod is provided with a groove matched with the circular arrangement disc, and the circular arrangement disc is kept horizontal with the upper surface of the balance rod when placed in the groove;
a length adjusting rod and a connecting rod with the same length as the length adjusting rod are further arranged between the detection support and the clamping support, the length adjusting rod comprises a main rod and an auxiliary rod embedded in the main rod, an annular knob ring is sleeved at the head end of the main rod, an upright post is arranged in the knob ring, and clamping teeth are arranged on the outer side wall of the knob ring; the outer side of the auxiliary rod is provided with a thread groove matched with the upright post; the auxiliary rod can drive the knob ring to rotate when displacing relative to the main rod;
the rotary knob is characterized in that an index plate and a pointer are arranged on the connecting rod, the pointer is tightly attached to the index plate, the pointer is mutually independent with the index plate, scales are arranged on the surface of the index plate, and saw teeth matched with the clamping teeth of the knob ring are arranged on the side walls around the index plate.
2. The tension testing machine according to claim 1, wherein the clamping mechanism is further provided with an adjusting motor, a shaft end of the adjusting motor is meshed with a driving shaft through a gear arranged at the shaft end, one end of the driving shaft is arranged on the clamping bracket, the driving shaft rotates under the driving of the adjusting motor, and the second hydraulic clamp is arranged at the other end of the driving shaft.
3. The tension tester according to claim 2, wherein a ring of latches engaging with the gear is provided at a middle portion of the drive shaft, and the latches do not exceed a side surface of the drive shaft.
4. The tension tester according to claim 1, wherein the tension tester is further connected with a recording storage for timely recording data detected by the tension tester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910183643.7A CN110057677B (en) | 2019-03-12 | 2019-03-12 | Tension detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910183643.7A CN110057677B (en) | 2019-03-12 | 2019-03-12 | Tension detector |
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| Publication Number | Publication Date |
|---|---|
| CN110057677A CN110057677A (en) | 2019-07-26 |
| CN110057677B true CN110057677B (en) | 2024-03-26 |
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| CN201910183643.7A Active CN110057677B (en) | 2019-03-12 | 2019-03-12 | Tension detector |
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| CN (1) | CN110057677B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115165577B (en) * | 2022-09-07 | 2023-02-07 | 常州树杰塑业有限公司 | Antistatic PE film fold detection device |
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| CN110057677A (en) | 2019-07-26 |
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