CN219956893U - Screw life and transmission efficiency experimental device - Google Patents
Screw life and transmission efficiency experimental device Download PDFInfo
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- CN219956893U CN219956893U CN202321020993.XU CN202321020993U CN219956893U CN 219956893 U CN219956893 U CN 219956893U CN 202321020993 U CN202321020993 U CN 202321020993U CN 219956893 U CN219956893 U CN 219956893U
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- lead screw
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- input shaft
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 20
- 238000012360 testing method Methods 0.000 claims abstract description 56
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 230000008520 organization Effects 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims description 5
- 239000011358 absorbing material Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 8
- 238000002474 experimental method Methods 0.000 description 7
- 238000012546 transfer Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
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- 238000010586 diagram Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
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- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000012545 processing Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- 230000001960 triggered effect Effects 0.000 description 1
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model discloses an experimental device for service life and transmission efficiency of a lead screw, which comprises a frame and a testing mechanism, wherein the testing mechanism comprises a base, one side of the top surface of the base is provided with a motor, an output shaft of the motor is provided with a transmission rod through a coupler, the transmission rod is provided with an input torque sensor, the tail end of the transmission rod is provided with an input shaft supporting device of a lead screw nut assembly, two end surfaces, close to each other, of the two supporting blocks of the input shaft supporting device of the lead screw nut assembly are horizontally provided with a lead screw to be tested, the right end surface of the input shaft supporting device of the lead screw nut assembly is provided with an output shaft supporting device, the output shaft supporting device is provided with a spring load mechanism, and one side of the outer end surface of an upper section frame is provided with a man-machine interface. The utility model has the advantages of adjustable load, stable structure, simple appearance, simple operation, convenient observation and high judgment accuracy, and can test the service life and the efficiency performance of the screw rod and the screw rod nut.
Description
Technical Field
The utility model relates to the technical field of lead screw life and transmission efficiency experiments, in particular to a lead screw life and transmission efficiency experimental device.
Background
The ball screw pair is an important component of the rolling functional component, the performance and the quality of the ball screw pair represent the development level of the national machine tool industry, and the ball screw pair is also an important driving force for the national electromechanical industry to develop in the high, precise and sharp directions. The ball screw pair has the characteristics of small friction resistance, high transmission efficiency, high positioning precision, reversibility and the like, so the ball screw pair is widely applied to the machine tool industry and other related mechanical industries.
In developed countries, manufacturers producing ball screw pairs pay great attention to improvements in their processing and inspection techniques. The technology of measuring the ball screw pair by manufacturers in China is not high, and the detection requirement of the ball screw pair cannot be met. Many researchers design comprehensive experiment tables, which has important significance for producing ball screw pairs in China. The test bed inspection apparatus is a very important apparatus for a mechanical apparatus with a ball screw pair because the inspection apparatus can improve the quality of the ball screw byproduct. The high-speed ball screw comprehensive experiment table in China has a bottleneck in research and development in the selection of a test method and the universality of the experiment table, and the experiment table can only test a specific ball screw pair and is inconvenient to install and disassemble. Therefore, the improved design of the experiment table is a significant project, not only can the test efficiency of the experiment table be improved, but also more visual parameters can be provided for the type selection of a designer, and the time and the labor are saved.
The utility model aims to overcome the defects of the prior art and provide the device which has the advantages of simple structure, concise appearance, strong practicability and capability of improving the detection efficiency.
Disclosure of Invention
The utility model aims to provide an experimental device for screw life and transmission efficiency, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a lead screw life-span and transmission efficiency experimental apparatus, includes frame and accredited testing organization, the frame divide into upper section bar frame and lower section bar frame, accredited testing organization sets up between upper section bar frame and lower section bar frame, accredited testing organization includes the base, top surface one side of base is provided with the motor, be provided with the transfer line through the shaft coupling on the output shaft of motor, be provided with input torque sensor on the transfer line, the end of transfer line is provided with the input shaft strutting arrangement of lead screw nut subassembly, the input shaft strutting arrangement of lead screw nut subassembly comprises two supporting pieces, the terminal surface level that two supporting pieces of the input shaft strutting arrangement of lead screw nut subassembly are close to is transversely provided with the lead screw that awaits measuring, the right-hand member face of the input shaft strutting arrangement of lead screw nut subassembly is provided with output shaft strutting arrangement, be provided with spring load mechanism on the output shaft strutting arrangement, outer terminal surface one side of upper section bar frame is provided with man-machine interface.
Preferably, the human-computer interface comprises a touch screen panel box, a touch screen is embedded in the outer end face of the touch screen panel box, and a scram button, a start button, a pause button and a reset button are sequentially arranged on the lower side of the touch screen and on the end face of the touch screen panel box from left to right.
Preferably, a noise display screen is provided at an upper portion of the touch screen panel box and at an outer end surface of the upper profile frame.
Preferably, the input shaft supporting device of the screw rod nut component and the outside of the screw rod to be tested are provided with noise boxes on the base, sound absorbing materials are attached to the inside of the noise boxes, noise monitoring sensors are arranged in the noise boxes, and the noise monitoring sensors are electrically connected with the noise display screen.
Preferably, the spring-loaded mechanism employs an adjustable damper that provides a maximum load of 20000N and a load spring having a stroke comprising 40 strokes and 150 strokes.
Preferably, a mounting bracket is arranged outside the lower end of the input torque sensor.
Compared with the prior art, the utility model has the beneficial effects that: the adjustable load, stable in structure, succinct in outward appearance, easy operation, be convenient for observe, judge that the rate of accuracy is high, can test lead screw and screw nut's life-span and efficiency performance.
Drawings
FIG. 1 is a diagram of the overall external architecture of the present utility model;
FIG. 2 is an internal structural diagram of the present utility model;
FIG. 3 is a block diagram of a test mechanism according to the present utility model;
FIG. 4 is a flow chart of the efficiency test operation of the present utility model;
FIG. 5 is a flowchart of the life test operation of the present utility model.
In the figure: 1. a frame; 11. an upper profile frame; 12. a lower profile frame; 2. a testing mechanism; 21. a base; 22. a motor; 23. an input torque sensor; 24. an input shaft support means of the feed screw nut assembly; 25. a screw rod to be tested; 26. an output shaft support device; 27. a spring-loaded mechanism; 28. a noise box; 29. a mounting bracket; 3. a human-machine interface; 31. a touch screen panel box; 32. a touch screen; 33. an emergency stop button; 34. a start button; 35. a pause button; 36. a reset button; 4. a noise display screen.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a lead screw life-span and transmission efficiency experimental apparatus, including frame 1 and accredited testing organization 2, frame 1 divide into upper profile frame 11 and lower profile frame 12, accredited testing organization 2 installs between upper profile frame 11 and lower profile frame 12, accredited testing organization 2 includes base 21, the top surface one side bolt fixed mounting of base 21 has motor 22, there is the transfer line through the coupling joint on the output shaft of motor 22, install input torque sensor 23 on the transfer line, the maximum torque 50Nm can be provided under motor 22 and the cooperation of input torque sensor 23 use, the input shaft strutting arrangement 24 of lead screw nut subassembly is installed to the end of transfer line, the input shaft strutting arrangement 24 of lead screw nut subassembly comprises two supporting pieces, the terminal surface level that two supporting pieces of the input shaft strutting arrangement 24 of lead screw nut subassembly are close to is placed the lead screw 25 that awaits measuring, output shaft strutting arrangement 26 is installed to the right-hand member face of the input shaft strutting arrangement 24 of lead screw nut subassembly, install spring load mechanism 27 on the output shaft strutting arrangement 26, the outer terminal surface one side grooving embedding of upper profile frame 11 installs man-machine interface 3.
The end face of the man-machine interface 3 comprises a touch screen panel box 31, a touch screen 32 is embedded and installed on the outer end face of the touch screen panel box 31, and a scram button 33, a start button 34, a pause button 35 and a reset button 36 are sequentially installed on the lower side of the touch screen 32 and on the end face of the touch screen panel box 31 from left to right; the noise display screen 4 is embedded and arranged on the upper part of the touch screen panel box 31 and is slotted on the outer end surface of the upper section frame 11; the input shaft supporting device 24 of the screw-nut assembly and the exterior of the screw rod 25 to be tested are provided with a noise box 28 on the base 21, the interior of the noise box 28 is attached with sound absorbing materials to form a simple and quiet environment, a noise monitoring sensor is arranged in the noise box 28 and is electrically connected with the noise display screen 4, when the screw rod 25 to be tested moves, the noise is measured in real time, the noise value cannot be stored, and the noise value is read on the noise display screen 4; the spring load mechanism 27 adopts an adjustable damper and a load spring, the maximum load provided by the adjustable damper is 20000N, the stroke of the load spring comprises 40 strokes and 150 strokes, the screw rod 25 to be tested is driven to linearly move by driving a screw rod nut, the load spring is extruded, the loading requirement is met, and meanwhile, different load springs are adopted for workpieces with different output pressure values by a pressure sensor; the lower end of the input torque sensor 23 is externally mounted with a mounting bracket 29.
Working principle: the utility model is divided into an efficiency test and a life test,
and (3) efficiency testing: the equipment is electrified, a screw rod 25 to be tested is placed between two supporting blocks in an input shaft supporting device 24 of a screw rod nut assembly, and then test parameters are set: firstly, setting a target torque loaded by a motor 22, setting a target speed loaded by the motor 22, possibly not reaching the target speed when the setting is overlarge, inputting a lead of a screw 25 to be tested, setting input efficiency loss, starting a test after setting parameters, clicking a button, enabling the motor 22, after confirming no alarm, then pressing a green start button 34 on a machine table to start the test, if the test is required to be interrupted in the test process, pressing a red pause button 35 on the machine table to stop the test, displaying a test result at a touch screen 32, and automatically storing test data in a U disk by the machine table after each test is finished, if the U disk is required to be installed by automatic data saving, clicking the test data, and checking historical test data on line;
and (3) life testing: the equipment is electrified, a screw rod 25 to be tested is placed between two supporting blocks in an input shaft supporting device 24 of a screw rod nut assembly, and then an operating condition table is input: setting target torque of the motor 22, setting loading speed of the motor 22, setting time for keeping the loading state of the motor 22, if the motor 22 can be unloaded after being loaded to the set torque, setting 0, setting the speed for unloading the motor 22 to back, setting the test times of the current step, setting test pause time, setting the test times to 0 when the test is needed to be paused in the middle, setting pause time, starting pause after the last step of test is executed, and continuously executing the next step of test after the set time is up, and then newly creating a test: after the working condition table is input, clicking the new test is triggered for 1 second, and the interface is exited to return to the life test interface, for example, after the test is interrupted, when the test is to be restarted from the first step, the new test is restarted by clicking the button, and then the test is started: enabling the motor 22, after confirming that no alarm exists, pressing a green start button 34 on the machine to start testing, if the testing needs to be interrupted in the testing process, pressing a red pause button 35 on the machine to stop testing, and finally testing data: in the test process, data can be automatically stored once every time of loading, and historical test data can be checked on line by clicking a test data button.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a lead screw life-span and transmission efficiency experimental apparatus, includes frame (1) and accredited testing organization (2), its characterized in that: the machine frame (1) is divided into an upper section frame (11) and a lower section frame (12), a testing mechanism (2) is arranged between the upper section frame (11) and the lower section frame (12), the testing mechanism (2) comprises a base (21), a motor (22) is arranged on one side of the top surface of the base (21), a transmission rod is arranged on an output shaft of the motor (22) through a coupling, an input torque sensor (23) is arranged on the transmission rod, an input shaft supporting device (24) of a screw-nut assembly is arranged at the tail end of the transmission rod, the input shaft supporting device (24) of the screw-nut assembly is composed of two supporting blocks, a screw rod (25) to be tested is horizontally arranged on the end face of the two supporting blocks of the input shaft supporting device (24) of the screw-nut assembly, an output shaft supporting device (26) is arranged on the right end face of the input shaft supporting device (24), a spring load mechanism (27) is arranged on the output shaft supporting device (26), and a man-machine interface (3) is arranged on one side of the outer end face of the upper section frame (11).
2. The lead screw life and transmission efficiency experimental apparatus of claim 1, wherein: the human-computer interface (3) comprises a touch screen panel box (31), a touch screen (32) is embedded into the outer end face of the touch screen panel box (31), and an emergency stop button (33), a start button (34), a pause button (35) and a reset button (36) are sequentially arranged on the lower side of the touch screen (32) and on the end face of the touch screen panel box (31) from left to right.
3. The lead screw life and transmission efficiency experimental apparatus of claim 2, wherein: a noise display screen (4) is arranged on the upper part of the touch screen panel box (31) and on the outer end face of the upper section frame (11).
4. A lead screw life and drive efficiency experimental apparatus according to claim 3, wherein: the input shaft supporting device (24) of the screw-nut assembly and the screw (25) to be tested are arranged outside the base (21) and provided with a noise box (28), sound absorbing materials are attached to the inside of the noise box (28), a noise monitoring sensor is arranged in the noise box (28), and the noise monitoring sensor is electrically connected with the noise display screen (4).
5. The lead screw life and transmission efficiency experimental apparatus of claim 1, wherein: the spring-loaded mechanism (27) employs an adjustable damper that provides a maximum load of 20000N and a load spring having a stroke comprising 40 strokes and 150 strokes.
6. The lead screw life and transmission efficiency experimental apparatus of claim 1, wherein: a mounting bracket (29) is arranged outside the lower end of the input torque sensor (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321020993.XU CN219956893U (en) | 2023-05-04 | 2023-05-04 | Screw life and transmission efficiency experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321020993.XU CN219956893U (en) | 2023-05-04 | 2023-05-04 | Screw life and transmission efficiency experimental device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219956893U true CN219956893U (en) | 2023-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321020993.XU Active CN219956893U (en) | 2023-05-04 | 2023-05-04 | Screw life and transmission efficiency experimental device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219956893U (en) |
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2023
- 2023-05-04 CN CN202321020993.XU patent/CN219956893U/en active Active
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