CN210893669U - Tensioning test device - Google Patents
Tensioning test device Download PDFInfo
- Publication number
- CN210893669U CN210893669U CN201922386787.0U CN201922386787U CN210893669U CN 210893669 U CN210893669 U CN 210893669U CN 201922386787 U CN201922386787 U CN 201922386787U CN 210893669 U CN210893669 U CN 210893669U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- tensioning
- tension
- detection
- movable rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model provides a tensioning test device belongs to engineering machine tool technical field. The tensioning test device is used for detecting tensioning device's test data, and the tensioning test device includes that tensioning hydro-cylinder, cover locate the tensioning spring on the tensioning hydro-cylinder and with the cylinder inner chamber sealing connection's of tensioning hydro-cylinder oiling valve, and the fixed setting of tensioning spring one end, the other end are fixed to be set up on the movable rod of tensioning hydro-cylinder, and the tensioning test device includes: the device comprises a detection oil cylinder, a cam mechanism connected with a movable rod of the detection oil cylinder and a pressure sensor used for detecting the pressure of an inner cavity of a cylinder barrel of the detection oil cylinder, wherein the movable rod of the tensioning oil cylinder is connected with the cylinder barrel of the detection oil cylinder. The tension test device can simultaneously test the endurance fatigue performance of the tension spring in the tension device and the pressure maintaining performance of the oil filling valve.
Description
Technical Field
The utility model relates to an engineering machine tool technical field particularly, relates to a tensioning test device.
Background
The tensioning device is a device commonly used by the excavator, the tensioning device is used for enabling a certain mechanism of the excavator to generate certain pre-tension, the mechanism can be used more flexibly, meanwhile, a certain buffering effect can be achieved through the stroke, the mechanism is prevented from being damaged when external force is met, and the tensioning device has certain degree of freedom and can be used flexibly.
The excavator can cause the influence to the endurance fatigue performance and the oil filling valve pressure maintaining performance of a tension spring in the tensioning device by the impact force of different sizes and directions under different working conditions, even the damage of the tensioning device is caused, and the working safety of the excavator is influenced, so that the function test before the use of the tensioning device is needed, the function test mainly comprises the test of the endurance fatigue performance of the tension spring in the tensioning device and the test of the pressure maintaining performance of the oil filling valve in the tensioning device.
The device capable of testing the tensioning device in the prior art can only test the endurance fatigue performance of the tensioning spring in the tensioning device in a targeted manner, needs to test the pressure maintaining performance of the oil filling valve in the tensioning device, needs to connect the tensioning device with other detection equipment, and then tests the pressure maintaining performance of the oil filling valve of the tensioning device, is complex in test process, at least needs to prepare two sets of different detection equipment, and increases the flow steps and test cost of the test.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a tension test device can test the endurance fatigue performance of the tensioning spring among the tension test device and the pressurize performance of oiling valve simultaneously.
The embodiment of the utility model is realized like this:
the embodiment of the utility model provides a tensioning test device, this tensioning test device are used for detecting tensioning device's test data, tensioning device include tensioning hydro-cylinder, cover locate the tensioning spring on the tensioning hydro-cylinder and with the oiling valve of the cylinder inner chamber sealing connection of tensioning hydro-cylinder, the fixed setting of tensioning spring one end, the other end is fixed to be set up on the movable rod of tensioning hydro-cylinder, tensioning test device includes: the device comprises a detection oil cylinder, a cam mechanism connected with a movable rod of the detection oil cylinder and a pressure sensor used for detecting the pressure of an inner cavity of a cylinder barrel of the detection oil cylinder, wherein the movable rod of the tensioning oil cylinder is connected with the cylinder barrel of the detection oil cylinder.
Optionally, the tension test device can simultaneously test a plurality of groups of tension devices, and the plurality of groups of tension devices are arranged in parallel along a direction perpendicular to the telescopic motion of the detection oil cylinder.
Optionally, the tension testing apparatus further includes a fixing seat, and a fixing end of the tension spring is connected to the fixing seat.
Optionally, the tension test device further comprises an installation support, the installation support can slide relative to the fixed seat, a movable rod of the tension oil cylinder is connected with one side of the installation support, and the other side of the installation support is connected with a cylinder barrel of the detection oil cylinder.
Optionally, a cylinder barrel of the detection oil cylinder is rotatably connected with the mounting support, and a movable rod of the detection oil cylinder is connected with the cam mechanism.
Optionally, a buffer sheet is arranged in the detection oil cylinder, one end of the buffer sheet is connected with the movable rod of the detection oil cylinder, and the other end of the buffer sheet is connected with the plunger of the detection oil cylinder.
Optionally, the cushion is a spring.
Optionally, the cam mechanism further comprises a driving motor, a cam shaft and a driven rod, the rotation center of the cam is fixedly connected with the cam shaft, the driving motor is connected with the cam shaft, one end of the driven rod is abutted to the cam, and the other end of the driven rod is fixedly connected with the movable rod of the detection oil cylinder.
Optionally, the fixing base further comprises a supporting plate, the bottom edge of the fixing base extends towards the detection oil cylinder and does not exceed the length of the cylinder barrel of the detection oil cylinder, and the supporting plate is fixedly connected with the extending end of the bottom edge of the fixing base.
The utility model discloses beneficial effect includes:
the embodiment of the utility model provides a pair of tension test device, this tension test device is used for detecting overspeed device tensioner's experimental data, overspeed device tensioner includes the tensioning hydro-cylinder, the tensioning spring on the tensioning hydro-cylinder is located to the cover and the oiling valve with the cylinder inner chamber sealing connection of tensioning hydro-cylinder, the tensioning spring cover is located the tensioning hydro-cylinder and can be realized testing simultaneously overspeed device tensioner's fatigue resistance ability and the pressurize performance of oiling valve, the fixed setting of tensioning spring one end, the other end is fixed to be set up on the movable rod of tensioning hydro-cylinder, so set up and just can realize that the tensioning spring is tensile or compressed, thereby can detect the fatigue resistance ability of tensioning spring, the tension test device includes: the testing device comprises a detection oil cylinder, a cam mechanism connected with a movable rod of the detection oil cylinder and a pressure sensor used for detecting the pressure of an inner cavity of a cylinder barrel of the detection oil cylinder, wherein the movable rod of the tensioning oil cylinder is connected with a cylinder body of the detection oil cylinder, the pressure in the detection oil cylinder is the same as the pressure in the tensioning oil cylinder according to the balance of the two forces, the movable rod of the tensioning oil cylinder is connected with the cylinder barrel of the detection oil cylinder, and the cam mechanism drives the detection oil cylinder to move back and forth, so that a tensioning spring and the tensioning oil cylinder in the tensioning device are driven to move back and forth, and the fatigue resistance of the tensioning spring in the tensioning device and the.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of a tension test device provided by an embodiment of the present invention.
Icon: 100-a fixed seat; 102-a support plate; 110-tensioning oil cylinder; 120-a tension spring; 130-a fill valve; 200-detecting an oil cylinder; 210-a spring; 220-mounting a support; 300-a pressure sensor; 400-cam; 410-a camshaft; 420-driven lever.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the utility model is usually placed when the utility model is used, and the description is simplified only for convenience.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Fig. 1 is the utility model provides a tension test device's structural schematic, please refer to fig. 1, the embodiment of the utility model provides a tension test device, this tension test device is used for detecting overspeed device tensioner's experimental data, overspeed device tensioner include tensioning cylinder 110, the cover locate tensioning spring 120 on tensioning cylinder 110 and with tensioning cylinder 110's cylinder body inner tube sealing connection's oiling valve 130, the fixed setting of tensioning spring 120 one end, the other end is fixed on tensioning cylinder 110's movable rod, tension test device includes: the tension device comprises a detection oil cylinder 200, a cam mechanism connected with a movable rod of the detection oil cylinder 200 and a pressure sensor 300 used for detecting the pressure of an inner cavity of a cylinder barrel of the detection oil cylinder 200, wherein the movable rod of the tension oil cylinder 110 is connected with the cylinder barrel of the detection oil cylinder 200.
It should be noted that, firstly, the oil filling valve 130 is disposed at an end of the tensioning cylinder 110 far from the movable rod of the tensioning cylinder 110, and the two are in sealed connection, so as to prevent the grease in the tensioning cylinder 110 from leaking, thereby affecting the test result, and to facilitate the tester to observe whether the grease leaks. The pressure sensor 300 is disposed on the cylinder of the sensing cylinder 200 and contacts with the grease for feeding back the pressure of the grease in the tensioning cylinder 110, and since the cylinder of the sensing cylinder 200 is connected to the movable rod of the tensioning cylinder 110, the pressure of the grease in the tensioning cylinder 110 is equal to the pressure of the grease in the sensing cylinder 200, wherein the difference in the reciprocating movement of the cam mechanism cannot be greater than the movable rod movement range of the tensioning cylinder 110.
Secondly, the circular reciprocating motion of the cam mechanism drives the detection cylinder 200 to move circularly and reciprocally, because the detection cylinder 200 is connected with the movable rod of the tensioning cylinder 110, the detection cylinder 200 drives the movable rod of the tensioning cylinder 110 to move, because one end of the tensioning spring 120 is connected with the movable rod of the movable tensioning cylinder 110, the tensioning spring 120 is also stretched or compressed circularly and reciprocally during the circular reciprocating motion of the cam mechanism, thereby realizing the experimental detection of the fatigue resistance of the tensioning spring 120, and because the oil filling valve 130 is arranged on the cylinder barrel at the end of the tensioning cylinder 110 far away from the movable rod, the pressure of the lubricating grease in the tensioning cylinder 110 can change during the circular stretching or compressing process of the tensioning spring 120 driven by the cam mechanism, when the cam mechanism moves at a certain position, the time is suspended for detecting whether the oil filling valve 130 leaks oil, and whether the pressure value of the pressure sensor 300 is varied, thereby realizing the pressure maintaining performance of the test tensioner.
The embodiment of the utility model provides a pair of tension test device, this tension test device is used for detecting overspeed device tensioner's test data, overspeed device tensioner includes tensioning hydro-cylinder 110, tensioning spring 120 on tensioning hydro-cylinder 110 and with tensioning hydro-cylinder 110's cylinder inner chamber sealing connection's oiling valve 130 are located to the cover, tensioning spring 120 cover is located tensioning hydro-cylinder 110 and can be realized simultaneously the experiment to overspeed device tensioner's fatigue resistance ability and pressurize performance, the fixed setting of tensioning spring 120 one end, the other end is fixed to be set up on tensioning hydro-cylinder 110's movable rod, so set up and just can realize tensioning spring 120 tensile or compression, thereby can detect tensioning spring 120's fatigue resistance ability, tension test device includes: the testing device comprises a detection oil cylinder 200, a cam mechanism connected with a movable rod of the detection oil cylinder 200 and a pressure sensor 300 used for detecting the pressure of a cylinder cavity of the detection oil cylinder 200, wherein the movable rod of the tensioning oil cylinder 110 is connected with a cylinder body of the detection oil cylinder 200, the pressure in the detection oil cylinder 200 is the same as the pressure in the tensioning oil cylinder 110 according to the balance of the two forces, the movable rod of the tensioning oil cylinder 110 is connected with the cylinder body of the detection oil cylinder 200, and the cam mechanism drives the detection oil cylinder 200 to move back and forth, so that a tensioning spring 120 and the tensioning oil cylinder 110 in the tensioning device are driven to move back and forth, and the fatigue resistance of the tensioning spring 120 in the tensioning device and the pressure maintaining performance of an.
In this embodiment, the tension testing apparatus further includes a mounting base 220 that is slidable relative to the fixing base 100.
In this embodiment, the tension test device can test a plurality of sets of tension devices simultaneously, and the plurality of sets of tension devices are arranged in parallel along a direction perpendicular to the telescopic motion of the detection cylinder 200.
Illustratively, the tension cylinders 110, the tension springs 120 and the fill valves 130 are provided in two, wherein the two tension cylinders 110 are identical in type, the two tension springs 120 are identical in length, diameter, elastic modulus and material, and the two fill valves 130 are identical in type.
In this embodiment, the tension testing apparatus further includes a fixing base 100, and a fixed end of the tension spring 120 is connected to the fixing base 100.
It should be noted that, according to the above, when a plurality of sets of tensioning devices are provided for testing, it is necessary to provide the fixing base 100 for fixing a plurality of sets of tensioning devices simultaneously, which is convenient for testing.
In this embodiment, the tension testing apparatus further includes an installation support 220, the installation support 220 is slidable with respect to the fixing base 100, the movable rod of the tension cylinder 110 is connected to one side of the installation support 220, and the other side of the installation support 220 is connected to the cylinder of the detection cylinder 200.
It should be noted that, the purpose of providing the mounting support 220 is to be suitable for correspondingly providing a plurality of tensioning cylinders 110, tensioning springs 120 and oil filling valves 130, respectively, because to implement the test of the tensioning device, the detection cylinder 200 needs to be driven by the cam mechanism to move so as to drive the tensioning springs 120 to be lifted or compressed, and if the mounting support 220 is not provided, the simultaneous test of the plurality of tensioning cylinders 110 and the plurality of tensioning springs 120 cannot be implemented.
In this embodiment, the cylinder of the detection cylinder 200 is rotatably connected to the mounting support 220, and the movable rod of the detection cylinder 200 is connected to the cam mechanism.
It is noted that the detection cylinder 200 is rotatable relative to the mount bracket 220 for the purpose of detecting the pressure holding performance of the fill valve 130, that is, the pressure holding performance of the fill valve 130 at different rotational positions of the cam 400 in the cam mechanism.
In this embodiment, a cushion pad is disposed in the detection cylinder 200, one end of the cushion pad is connected to the movable rod of the detection cylinder 200, and the other end of the cushion pad is connected to the plunger of the detection cylinder 200.
It should be noted that a cushion pad provided in the detection cylinder 200 is located between the movable rod and the piston, and the cushion pad mainly cushions the action of the cam mechanism on the detection cylinder 200.
The cushioning pad is a spring 210.
When the cushion pad is the spring 210, the spring 210 provided in the detection cylinder 200 is located between the movable rod and the piston, and the spring 210 mainly buffers the action of the cam mechanism on the detection cylinder 200.
In this embodiment, the cam mechanism further includes a driving motor, a cam 400, a cam shaft 410, and a driven rod 420, the rotation center of the cam 400 is fixedly connected to the cam shaft 410, the driving motor is connected to the cam shaft 410, one end of the driven rod 420 abuts against the cam 400, and the other end is fixedly connected to the movable rod of the detection cylinder 200.
It should be noted that the driven rod 420 abuts against the cam 400 in various ways, for example, the edge of the cam 400 is provided with a groove, one end of the driven rod 420 close to the cam 400 extends into the groove, and the groove has a limiting effect on the abutting end of the driven rod 420, and those skilled in the art should design the abutting way according to specific needs.
In this embodiment, the fixing base 100 further includes a supporting plate 102, the bottom edge of the fixing base 100 extends toward the detection cylinder 200 and does not exceed the length of the cylinder barrel of the detection cylinder 200, and the supporting plate 102 is fixedly connected to the extending end of the bottom edge of the fixing base 100.
It should be noted that the support plate 102 is provided to allow the detection cylinder 200 to be placed smoothly.
The embodiment of the utility model provides a pair of tensioning test device, the device is used for being applicable to the overspeed device tensioner of a plurality of tensioning springs 120 etc. through setting up erection support 220, set up the detection hydro-cylinder 200 of taking spring 210, cam mechanism's impact or vibration to overspeed device tensioner has been eliminated, and set up backup pad 102 and be used for making detection hydro-cylinder 200 steadily place, the movable rod of tensioning hydro-cylinder 110 is connected with the cylinder that detects hydro-cylinder 200, cam mechanism drives detection hydro-cylinder 200 back and forth movement, thereby tensioning spring 120 and tensioning hydro-cylinder 110 back and forth movement among the drive overspeed device, thereby realize the fatigue resistance ability of tensioning spring 120 and the test of the pressurize performance of oiling valve 130 in the overspeed device tensioner.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a tensioning test device for detect overspeed device tensioner, tensioning test device includes that tensioning hydro-cylinder, cover are located tensioning spring on the tensioning hydro-cylinder and with the oiling valve of the cylinder inner chamber sealing connection of tensioning hydro-cylinder, tensioning spring one end is fixed, the other end sets up on the movable rod of tensioning hydro-cylinder, its characterized in that, tensioning test device includes: the device comprises a detection oil cylinder, a cam mechanism connected with a movable rod of the detection oil cylinder and a pressure sensor used for detecting the pressure of an inner cavity of a cylinder barrel of the detection oil cylinder, wherein the movable rod of the tensioning oil cylinder is connected with the cylinder barrel of the detection oil cylinder.
2. The tension testing apparatus according to claim 1, wherein the tension testing apparatus can simultaneously test a plurality of groups of the tensioners, the plurality of groups of the tensioners being arranged in parallel in a direction perpendicular to the telescopic movement of the detection cylinder.
3. The tension test apparatus of claim 2, further comprising a fixing base, wherein the fixing end of the tension spring is connected with the fixing base.
4. The tension test device as claimed in claim 3, further comprising a mounting support, wherein the mounting support is slidable relative to the fixing base, the movable rod of the tension cylinder is connected to one side of the mounting support, and the other side of the mounting support is connected to the cylinder barrel of the detection cylinder.
5. The tension testing device as recited in claim 4, wherein the bore of the sensing cylinder is rotatably coupled to the mounting bracket.
6. The tension test device according to claim 1, wherein a cushion pad is disposed in the test cylinder, and one end of the cushion pad is connected to the movable rod of the test cylinder and the other end thereof is connected to the plunger of the test cylinder.
7. The tension test apparatus of claim 6, wherein the cushion is a spring.
8. The tension test apparatus according to claim 1, wherein the cam mechanism includes a driving motor, a cam shaft, a cam, and a driven rod, the cam shaft is fixedly connected to a rotation center of the cam, the driving motor is connected to the cam shaft, one end of the driven rod abuts against the cam, and the other end of the driven rod is fixedly connected to the movable rod of the detection cylinder.
9. The tension test device according to claim 3, wherein the fixing base further comprises a supporting plate, the bottom edge of the fixing base extends towards the detection cylinder and does not exceed the length of the cylinder barrel of the detection cylinder, and the supporting plate is fixedly connected with the extending end of the bottom edge of the fixing base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922386787.0U CN210893669U (en) | 2019-12-26 | 2019-12-26 | Tensioning test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922386787.0U CN210893669U (en) | 2019-12-26 | 2019-12-26 | Tensioning test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210893669U true CN210893669U (en) | 2020-06-30 |
Family
ID=71324967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922386787.0U Active CN210893669U (en) | 2019-12-26 | 2019-12-26 | Tensioning test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210893669U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112248392A (en) * | 2020-10-20 | 2021-01-22 | 克劳斯玛菲机械(中国)有限公司 | Test assembly, test method and manufacturing method of injection molding machine |
-
2019
- 2019-12-26 CN CN201922386787.0U patent/CN210893669U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112248392A (en) * | 2020-10-20 | 2021-01-22 | 克劳斯玛菲机械(中国)有限公司 | Test assembly, test method and manufacturing method of injection molding machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210893669U (en) | Tensioning test device | |
| CN110794284A (en) | Circuit board anti-seismic performance testing device | |
| KR200414788Y1 (en) | Apparatus for testing tension, compression and durability | |
| EP3214308A1 (en) | Refrigerant compressor | |
| JP2020532457A (en) | Pump mechanism for hydraulic units with pump pistons | |
| CN106461499A (en) | Vibration exciter having load compensation | |
| CN107036805A (en) | Spring anti-fatigue test equipment | |
| KR20130092271A (en) | Test device of clutch actuator for automated manual transmisson | |
| CN105424336A (en) | Overturning service life testing device for overturn cover | |
| JPWO2019049304A1 (en) | Impact test equipment | |
| KR20110067899A (en) | Fluid damper for supporting load | |
| JP3120056B2 (en) | Mechanical press and dual mount control system therefor | |
| CN206847926U (en) | Spring anti-fatigue test equipment | |
| CN113700701A (en) | Hydraulic cylinder stroke end buffering performance testing device and testing method | |
| CN113776973A (en) | Device for detecting pressure of piston ring | |
| CN213180995U (en) | Hanger device for crankshaft fatigue test stand | |
| JP2010145251A (en) | Apparatus for inspection of dynamic characteristics | |
| CN203881533U (en) | Chain tensioner test bench | |
| CN107014615B (en) | A kind of bearing life testing machine | |
| CN215370426U (en) | Hydraulic cylinder testing device | |
| CN220136605U (en) | Air spring test tool and test equipment thereof | |
| CN219675410U (en) | Automobile-used gas spring integrated test platform | |
| CN219121903U (en) | Tensile and compressive testing machine | |
| CN220398889U (en) | Swing performance testing device for rocker arm bearing | |
| KR100259651B1 (en) | An efficient test device and the test method for hydraulic lash adjuster |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |