CN115655682A - Chain prestretches check out test set - Google Patents
Chain prestretches check out test set Download PDFInfo
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- CN115655682A CN115655682A CN202211244670.9A CN202211244670A CN115655682A CN 115655682 A CN115655682 A CN 115655682A CN 202211244670 A CN202211244670 A CN 202211244670A CN 115655682 A CN115655682 A CN 115655682A
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Abstract
A chain pre-tensioning detection device belongs to the technical field of chain quality detection and comprises a device main body, a hydraulic system, a pre-tensioning loading system, a chain length detection device and an electric control system. The invention realizes the conversion between the hydraulic system and the pretensioning load required by the chain by utilizing the lever principle, increases the hydraulic pressure according to the set proportion and transmits the hydraulic pressure to the chain, reduces the specification of related parts of the hydraulic system and reduces the investment cost of equipment under the condition of certain pretensioning load required. In addition, the chain detection loading is independent of the chain pre-tensioning loading, the control precision of the load application is improved, and the quality control and the accuracy of the inspection result of the chain are guaranteed.
Description
Technical Field
The invention belongs to the technical field of chain quality detection, and particularly relates to chain pre-tensioning detection equipment.
Background
Chain pretensioning is an effective measure to check the fatigue properties of chains, and the implementation of chain pretensioning is clearly required in international standards. For small-size chains, the required pre-tensioning load is small, and an assembly line is generally adopted for automatic pre-tensioning or whole-chain closed pre-tensioning. The pretensioning load required by the large-specification chain is larger, and the pretensioning machine with a hydraulic system is generally adopted for pretensioning.
The traditional pretensioning machine with a hydraulic system utilizes a hydraulic cylinder of the hydraulic system to be directly connected with a chain clamp to apply pretensioning load, and under the condition that the required pretensioning load is large, the whole hydraulic system and equipment are large in size and high in input cost. In addition, the difference between the chain pretensioning load and the chain length detection load is at least 30 times, and the same set of control system is adopted, so that the load control error is very large, and the quality of the chain and the accuracy of the detection result are influenced.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention discloses chain pre-tensioning detection equipment, which utilizes a lever principle to realize the conversion between a hydraulic system and a pre-tensioning load required by a chain, and the chain detection loading is independent of the chain pre-tensioning loading, so that the control precision of the load application is improved, and the quality control and the accuracy of a detection result of the chain are guaranteed.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a chain pre-tensioning detection device comprises a device body, a hydraulic system, a pre-tensioning loading system, a chain length detection device and an electric control system, wherein a first connecting mechanism is arranged on one side of the top end of the device body, a second connecting mechanism is arranged on the other side of the top end of the device body, a chain to be detected is arranged between the first connecting mechanism and the second connecting mechanism, the pre-tensioning loading system is connected with the second connecting mechanism through a lever mechanism and used for pre-tensioning and loading the chain by pulling the second connecting mechanism, the chain length detection loading system is arranged at the top in the device body and connected with the second connecting mechanism, the top end of the device body is further provided with the chain length detection device, the chain length detection device is connected with the second connecting mechanism and used for measuring the horizontal displacement of the second connecting mechanism, the hydraulic system is respectively connected with the pre-tensioning loading system and the chain length detection loading system, and the electric control system is in signal connection with the chain length detection loading system through a lead and configured to control the hydraulic system, the pre-tensioning loading system and the chain length detection loading system.
Preferably, the first connecting mechanism comprises a left clamp fixing seat and a first chain connecting seat, the left clamp fixing seat is fixedly connected with the top end of the equipment main body, and the first chain connecting seat is detachably and fixedly connected to the right end of the left clamp fixing seat; and the second connecting mechanism comprises a right fixture fixing seat and a second chain connecting seat, the right fixture fixing seat is connected with the top end of the equipment main body in a sliding manner along the horizontal direction, the second chain connecting seat can be detachably and fixedly connected at the left end of the right fixture fixing seat, and a chain to be detected is connected between the first chain connecting seat and the second chain connecting seat.
Preferably, the hydraulic system comprises a first hydraulic cylinder, the pretensioning loading system comprises a tension sensor and a tension sensor fixing seat, the lever mechanism comprises a loading lever and a load conversion seat, the tension sensor fixing seat is hinged to the bottom end of the loading lever, the tension sensor is fixedly connected with the tension sensor fixing seat, the fixing end of the first hydraulic cylinder is hinged to the bottom inside the equipment main body, the telescopic end penetrates through the right end of the equipment main body and is fixedly connected with the tension sensor, the loading lever is arranged on the right side of the equipment main body, the upper portion of the loading lever is hinged to the right end of the equipment main body, and the top of the loading lever is fixedly connected with the right end of the right clamp fixing seat through the load conversion seat.
Preferably, the load conversion seat is horizontally arranged, the left end of the load conversion seat is fixedly connected with the right end of the right fixture fixing seat, two sides of the right end of the load conversion seat are respectively provided with a through sliding guide groove, two sides of the top end of the loading lever are respectively provided with a sliding guide rod, the sliding guide rods penetrate through the corresponding sliding guide grooves and are in sliding connection with the sliding guide grooves, and the sliding guide rods slide in the sliding guide grooves to convert the torque of the loading lever into a horizontal loading load.
Preferably, hydraulic system include the second pneumatic cylinder, chain length detect loading system include pressure sensor, pressure sensor fixing base, the stiff end of second pneumatic cylinder pass through bolt fixed connection in the top in the equipment main part, the bottom fixed connection of pressure sensor fixing base and right anchor clamps fixing base, the flexible end of second pneumatic cylinder pass through pressure sensor and pressure sensor fixing base fixed connection, the top of equipment main part still be equipped with and be used for holding the groove of stepping down of pressure sensor fixing base along horizontal migration.
Preferably, the chain length detection device is a displacement sensor fixedly arranged at the top end of the equipment main body on the right side of the right fixture fixing seat, and the displacement sensor is connected with the right end of the right fixture fixing seat.
Preferably, the right-hand member of right side anchor clamps fixing base be equipped with the spacing guide slot that link up, the upper end of equipment main part still be equipped with the limiting plate along the horizontal direction, limiting plate and spacing guide slot sliding connection to make right anchor clamps fixing base follow horizontal migration all the time through sliding connection, the both ends and the equipment main part top fixed connection of limiting plate.
Preferably, the first chain connecting seat and the second chain connecting seat are provided with various models according to the specification of the chain.
The chain pre-tensioning detection equipment has the beneficial effects that: the invention realizes the conversion between the hydraulic system and the pretensioning load required by the chain by utilizing the lever principle, increases the hydraulic pressure according to the set proportion and transmits the hydraulic pressure to the chain, reduces the specification of related parts of the hydraulic system and reduces the investment cost of equipment under the condition of certain pretensioning load required. In addition, the chain detection loading is independent of the chain pre-tensioning loading, the control precision of the load application is improved, and the quality control and the accuracy of the inspection result of the chain are guaranteed.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a partial schematic view of the structure of the present invention at A;
FIG. 3 is a schematic structural diagram of the pretensioning loading system and the chain length detecting loading system of the present invention;
1. an apparatus main body; 2. a hydraulic system; 2-1, a second hydraulic cylinder; 2-2, a first hydraulic cylinder; 3. a pre-tensioning loading system; 3-1, a tension sensor; 3-2, fixing a tension sensor; 3-3, a loading lever; 3-3-1, a sliding guide groove; 3-4, a load conversion seat; 3-5, a right clamp fixing seat; 3-5-1, limiting guide grooves; 3-6, a second chain connecting seat; 4. a chain length detection loading system; 4-1, a pressure sensor; 4-2, fixing a pressure sensor; 5. a chain length detection device; 6. an electronic control system; 7. and a displacement sensor.
Detailed Description
The following description is only exemplary of the present invention and should not be construed as limiting the scope of the present invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Example 1:
a chain pretensioning detection device comprises a device body 1, a hydraulic system 2, a pretensioning loading system 3, a chain length detection loading system 4, a chain length detection device 5 and an electric control system 6, wherein a first connecting mechanism is arranged on one side of the top end of the device body 1, a second connecting mechanism is arranged on the other side of the top end of the device body 1, a chain to be detected is arranged between the first connecting mechanism and the second connecting mechanism, the pretensioning loading system is connected with the second connecting mechanism through a lever mechanism and used for achieving pretensioning loading of the chain through pulling of the second connecting mechanism, the chain length detection loading system 4 is arranged at the top in the device body 1 and connected with the second connecting mechanism, the top end of the device body 1 is further provided with a chain length detection device 5, the chain length detection device 5 is connected with the second connecting mechanism and used for detecting horizontal displacement of the second connecting mechanism, the hydraulic system 2 is respectively connected with the pretensioning loading system 3 and the chain length detection loading system 4, and the electric control system 6 is in signal connection with the chain length detection system 2, the pretensioning loading system 3 and the chain length detection loading system 4 through wires.
In the embodiment, the conversion between the hydraulic system and the pretensioning load required by the chain is realized by utilizing the lever principle, the hydraulic pressure is increased according to the set proportion and is transmitted to the chain, and under the condition that the pretensioning load required is constant, the specifications of related parts of the hydraulic system are reduced, and the equipment investment cost is reduced. In addition, the chain detection loading is independent of the chain pre-tensioning loading, the control precision of the load application is improved, and the quality control and the accuracy of the inspection result of the chain are guaranteed.
Example 2:
on the basis of embodiment 1, the present embodiment discloses:
as shown in fig. 1, the first connecting mechanism includes a left fixture fixing seat (not labeled in the figure) and a first chain connecting seat (not labeled in the figure), the left fixture fixing seat is fixedly connected with the top end of the equipment main body, and the first chain connecting seat is detachably and fixedly connected to the right end of the left fixture fixing seat; the second connecting mechanism comprises a right fixture fixing seat 3-5 and a second chain connecting seat 3-6, the right fixture fixing seat 3-5 is connected with the top end of the equipment main body in a sliding mode along the horizontal direction, the second chain connecting seat 3-6 is detachably and fixedly connected to the left end of the right fixture fixing seat 3-5, and the chain to be detected is connected between the first chain connecting seat and the second chain connecting seat 3-6.
As shown in fig. 1, the first and second chain connecting seats 3 to 6 are provided with various types according to the specifications of the chain.
In the embodiment, the pre-tensioning loading and chain length detection of chains with various specifications can be realized by replacing the first chain connecting seat and the second chain connecting seat 3-6.
Example 3:
on the basis of embodiment 2, the present embodiment discloses:
as shown in fig. 1 and 2, the right end of the right fixture fixing seat 3-5 is provided with a through limiting guide groove 3-5-1, the upper end of the equipment main body 1 is further provided with a limiting plate (not marked in the figure) along the horizontal direction, the limiting plate is connected with the limiting guide groove 3-5-1 in a sliding manner, the right fixture fixing seat 3-5 can move horizontally all the time through the sliding connection, and two ends of the limiting plate are fixedly connected with the top end of the equipment main body.
In this embodiment, a manner of horizontally moving the right fixture fixing seat 3-5 is provided, and certainly, the horizontal movement of the right fixture fixing seat 3-5 may also be implemented by other manners.
Example 4:
on the basis of embodiment 3, the present embodiment discloses:
as shown in fig. 1 and 3, the hydraulic system includes a first hydraulic cylinder 2-2, the pretensioning loading system 3 includes a tension sensor 3-1 and a tension sensor fixing seat 3-2, the lever mechanism includes a loading lever 3-3 and a load conversion seat 3-4, the tension sensor fixing seat 3-2 is hinged to the bottom end of the loading lever 3-3, the tension sensor 3-1 is fixedly connected to the tension sensor fixing seat 3-2, the fixing end of the first hydraulic cylinder is hinged to the bottom inside the device body 1, the telescopic end penetrates through the right end of the device body and is fixedly connected to the tension sensor 3-1, the loading lever 3-3 is disposed on the right side of the device body, the upper portion of the loading lever 3-3 is hinged to the right end of the device body 1, and the top of the loading lever is fixedly connected to the right end of the right clamp fixing seat 3-5 through the load conversion seat 3-4. The hinge shaft connecting the loading lever and the equipment main body divides the loading lever into an upper part and a lower part, the length of the upper part is smaller than that of the lower part, so that the load of the first hydraulic cylinder is reduced through the lever effect, and the pretension loading of the chain can be realized by the first hydraulic cylinder in a lower specification.
As shown in fig. 1-3, the load conversion seat 3-4 is horizontally disposed, the left end of the load conversion seat 3-4 is fixedly connected with the right end of the right fixture fixing seat 3-5, two sides of the right end of the load conversion seat 3-4 are respectively provided with a through sliding guide groove 3-3-1, two sides of the top end of the loading lever are respectively provided with a sliding guide rod, the sliding guide rods penetrate through the corresponding sliding guide grooves 3-3-1 and are slidably connected with the sliding guide grooves, and the torque of the loading lever 3-3 is converted into a horizontal loading load by sliding the sliding guide rods in the sliding guide grooves.
The embodiment of the pretensioning loading system 3 disclosed in this embodiment can greatly reduce the cost of chain pretensioning loading and chain length detection through a lever mechanism.
Example 5:
on the basis of embodiment 4, the present embodiment discloses:
as shown in fig. 1-3, hydraulic system include second pneumatic cylinder 2-1, chain length detection loading system 4 include pressure sensor 4-1, pressure sensor fixing base 4-2, the stiff end of second pneumatic cylinder 2-1 pass through bolt fixed connection in the top in the equipment main part, pressure sensor fixing base 4-2 and the bottom fixed connection of right anchor clamps fixing base 3-5, the flexible end of second pneumatic cylinder 2-1 pass through pressure sensor 4-1 and pressure sensor fixing base 4-2 fixed connection, the top of equipment main part still be equipped with and be used for holding pressure sensor fixing base 4-2 along the groove of stepping down of horizontal migration.
In this embodiment, the chain length detecting and loading system 4 is independent of the pre-tensioning and loading system 3, and the chain length detection is realized by applying a thrust force to the right fixture fixing seat alone.
Example 6:
on the basis of embodiment 5, the present embodiment discloses:
as shown in fig. 1 and 2, the chain length detection device 5 is a displacement sensor 7 fixedly arranged at the top end of the equipment main body on the right side of the right fixture fixing seat 3-5, and the displacement sensor 7 is connected with the right end of the right fixture fixing seat 3-5.
In the invention, the length data of the chain can be displayed on the industrial personal computer of the electric control system 6, and parameters such as the pretensioning load, the pretensioning time, the chain length detection load, the detection load loading time and the like of the chain can be set and displayed on the industrial personal computer of the electric control system 6.
Claims (8)
1. A chain pretension detection apparatus characterized by: the chain length detection and loading system is arranged at the top end of the equipment main body and is connected with the connecting mechanism II through a lever mechanism, the chain is prestretched by pulling the connecting mechanism II, the chain length detection and loading system is arranged at the top in the equipment main body and is connected with the connecting mechanism II, the top end of the equipment main body is also provided with a chain length detection device, the chain length detection device is connected with the connecting mechanism II and is used for detecting the horizontal displacement of the connecting mechanism II, the hydraulic system is respectively connected with the prestretching and loading system and the chain length detection and loading system, and the electronic control system is in signal connection with the chain length detection device through a lead and is configured to control the hydraulic system, the prestretching and loading system and the chain length detection and loading system.
2. A chain pretension detecting apparatus as claimed in claim 1, characterized in that: the first connecting mechanism comprises a left clamp fixing seat and a first chain connecting seat, the left clamp fixing seat is fixedly connected with the top end of the equipment main body, and the first chain connecting seat is detachably and fixedly connected to the right end of the left clamp fixing seat; and the second connecting mechanism comprises a right fixture fixing seat and a second chain connecting seat, the right fixture fixing seat is connected with the top end of the equipment main body in a sliding manner along the horizontal direction, the second chain connecting seat can be detachably and fixedly connected at the left end of the right fixture fixing seat, and a chain to be detected is connected between the first chain connecting seat and the second chain connecting seat.
3. A chain pretension detecting apparatus according to claim 2, characterized in that: the hydraulic system comprises a first hydraulic cylinder, the pretensioning loading system comprises a tension sensor and a tension sensor fixing seat, the lever mechanism comprises a loading lever and a load conversion seat, the tension sensor fixing seat is hinged to the bottom end of the loading lever, the tension sensor is fixedly connected with the tension sensor fixing seat, the fixing end of the first hydraulic cylinder is hinged to the bottom inside the equipment main body, the telescopic end of the first hydraulic cylinder penetrates through the right end of the equipment main body and is fixedly connected with the tension sensor, the loading lever is arranged on the right side of the equipment main body, the upper portion of the loading lever is hinged to the right end of the equipment main body, and the top of the loading lever is fixedly connected with the right end of the right clamp fixing seat through the load conversion seat.
4. A chain pretension detecting apparatus as claimed in claim 3, characterized in that: the load conversion seat set up along the level, the left end of load conversion seat and the right-hand member fixed connection of right anchor clamps fixing base, be equipped with the slip guide slot that link up respectively in the right-hand member both sides of load conversion seat, the top both sides of loading lever are equipped with the slip guide arm respectively, the slip guide arm run through in the slip guide slot that corresponds to with slip guide slot sliding connection, slide in the slip guide slot through the slip guide arm and convert the moment of torsion of loading lever into horizontal loading load.
5. A chain pretension detecting apparatus according to claim 4, characterized in that: hydraulic system include the second pneumatic cylinder, chain length detect loading system include pressure sensor, pressure sensor fixing base, the stiff end of second pneumatic cylinder pass through bolt fixed connection in the top in the equipment main part, the bottom fixed connection of pressure sensor fixing base and right anchor clamps fixing base, the flexible end of second pneumatic cylinder pass through pressure sensor and pressure sensor fixing base fixed connection, the top of equipment main part still be equipped with and be used for holding the groove of stepping down of pressure sensor fixing base along horizontal migration.
6. A chain pretension detecting apparatus as claimed in claim 5, characterized in that: the chain length detection device is a displacement sensor fixedly arranged at the top end of the equipment main body on the right side of the right clamp fixing seat, and the displacement sensor is connected with the right end of the right clamp fixing seat.
7. A chain pretension detecting apparatus as claimed in any of claims 2-6, characterized in that: the right-hand member of right side anchor clamps fixing base be equipped with the spacing guide slot that link up, the upper end of equipment main part still be equipped with the limiting plate along the horizontal direction, limiting plate and spacing guide slot sliding connection to make right anchor clamps fixing base follow horizontal migration all the time through sliding connection, the both ends and the equipment main part top fixed connection of limiting plate.
8. A chain pretension detecting apparatus according to any of claims 2-6, characterized in that: the first chain connecting seat and the second chain connecting seat are provided with various models according to the specification of the chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211244670.9A CN115655682A (en) | 2022-10-12 | 2022-10-12 | Chain prestretches check out test set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211244670.9A CN115655682A (en) | 2022-10-12 | 2022-10-12 | Chain prestretches check out test set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115655682A true CN115655682A (en) | 2023-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211244670.9A Pending CN115655682A (en) | 2022-10-12 | 2022-10-12 | Chain prestretches check out test set |
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| Country | Link |
|---|---|
| CN (1) | CN115655682A (en) |
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2022
- 2022-10-12 CN CN202211244670.9A patent/CN115655682A/en active Pending
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