CN210221491U - Heavy-duty planet roller screw pair comprehensive performance measuring device - Google Patents
Heavy-duty planet roller screw pair comprehensive performance measuring device Download PDFInfo
- Publication number
- CN210221491U CN210221491U CN201921497350.8U CN201921497350U CN210221491U CN 210221491 U CN210221491 U CN 210221491U CN 201921497350 U CN201921497350 U CN 201921497350U CN 210221491 U CN210221491 U CN 210221491U
- Authority
- CN
- China
- Prior art keywords
- bearing
- assembly
- install
- heavy
- lead screw
- 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
A device for measuring the comprehensive performance of a heavy-load planetary roller screw pair. At present, China has no corresponding standard for the experimental test research of the planetary roller screw pair, and the existing planetary roller screw test device in China is mostly in the aspect of small-sized roller screw test and has no high-speed heavy-load planetary roller screw test device. The utility model discloses the constitution includes: the base component, the base component on install testing arrangement bearing frame, testing arrangement bearing frame one side drive assembly has, drive assembly and a pair of bearing assembly be connected, bearing assembly install testing arrangement bearing frame on, one of them bearing assembly on install the lead screw that is surveyed, the lead screw that is surveyed and testing assembly's lead screw adapter flange connect, wherein another bearing assembly and loading assembly be connected. The utility model is used for vice comprehensive properties of heavy load planet roller lead screw measures.
Description
The technical field is as follows:
the utility model relates to a mechanical device capability test technical field, in particular to vice comprehensive properties measuring device of heavy load planet roller lead screw.
Background art:
the planetary roller screw mechanism is a mechanical device capable of converting rotary motion and linear motion into each other, and mainly comprises a screw rod, rollers and nuts. Compared with a ball screw, the planetary roller screw adopts the threaded roller to replace a ball as a force transmission unit, the force transmission unit has larger contact radius and more contact points, the bearing capacity of the roller screw under the same specification is 3-10 times of that of the ball screw, and the service life of the roller screw is 15 times of that of the ball screw. Therefore, the ball screw is superior to a ball screw in the aspects of position precision, rated load, rigidity, speed, service life and the like.
The utility model discloses a planetary roller screw pair comprehensive performance test experiment table in a utility model 201624496. X, wherein a driving component provides power for the planetary roller screw pair, and a test component is used for installing planetary roller screw pairs with different models; the hydraulic loading assembly is adopted to perform action and static loading on the planetary roller screw pair nut, the torque sensor, the angle encoder, the circular magnetic grid, the grating ruler and the force sensor are installed on the experiment table, measurement of torque, angle, displacement and force is achieved through the sensors, bearing of the two stand columns is unstable, the hydraulic loading support is not directly connected with the bearing frame, and load is transferred by means of friction force of the fixed base bolt.
The utility model discloses a "planet roller lead screw comprehensive properties test platform" is disclosed in 201710014954.1, this utility model discloses a cast iron platform, alternating current servo motor, planetary reducer, elastic coupling, torque sensor, rotary encoder, linear guide, move the platform, three carrier post, draw pressure sensor and pneumatic cylinder, alternating current servo motor, planetary reducer, elastic coupling, torque sensor, rotary encoder, move the platform, force sensor, the pneumatic cylinder sets gradually on the upper surface of cast iron platform from left to right, alternating current servo motor is connected with planet tachometer, planet tachometer passes through elastic coupling and is connected with torque sensor. The loading force is transmitted to the base platform by the friction force of the fixed base bolt.
The structure in the 2 patents is limited by loading load, so that heavy load can not be loaded, and the heavy-load planetary roller screw with various large-size models can not be tested. At present, China has no corresponding standard for the experimental test research of the planetary roller screw pair, and the existing planetary roller screw test device in China is mostly in the aspect of small-sized roller screw test and has no high-speed heavy-load planetary roller screw test device.
Therefore, the design of a set of planetary roller screw heavy load test testing device has very important significance.
The utility model has the following contents:
the utility model aims at providing a vice comprehensive properties measuring device of heavy load planet roller lead screw realizes the comprehensive properties test of star roller lead screw under the heavy load operating mode. Therefore, the problem that the roller screws of various sizes and models of the domestic planet roller screw comprehensive testing system cannot load heavy loads is solved.
The above purpose is realized by the following technical scheme:
a device for measuring the comprehensive performance of a heavy-load planetary roller screw pair comprises: the base component, the base component on install testing arrangement bearing frame, testing arrangement bearing frame one side drive assembly has, drive assembly and a pair of bearing assembly be connected, bearing assembly install testing arrangement bearing frame on, one of them bearing assembly on install the lead screw that is surveyed, the lead screw that is surveyed and testing assembly's lead screw adapter flange connect, wherein another bearing assembly and loading assembly be connected.
Heavy load planet roller screw pair comprehensive properties measuring device, drive assembly include the drive assembly support, the drive assembly support on install motor support, torque sensor base, encoder sensor base, the motor support on install servo motor, the torque sensor base on install torque sensor, encoder sensor base on install the encoder, servo motor pass through the shaft coupling and expand tight sleeve one end and be connected, the tight sleeve of bloating on install torque sensor the encoder, the tight sleeve other end of bloating and the tight cover of bloating be connected, the tight cover of bloating and the tight cover anchor clamps of bloating be connected.
The device for measuring the comprehensive performance of the heavy-duty planetary roller screw pair comprises a bearing frame, wherein the bearing frame comprises an upright post, a first support plate, a middle support plate and a second support plate are sequentially arranged on the upright post, and wear-resistant copper sleeves are arranged among the upright post, the first support plate, the middle support plate and the second support plate.
Heavy load planet roller screw pair comprehensive properties measuring device, test assembly include grating chi mounting plate, grating chi mounting plate on install grating chi, guide rail, the guide rail on install the movable scale mounting bracket, the movable scale mounting bracket be connected with anchor clamps, anchor clamps and lead screw adapter flange be connected, lead screw adapter flange be connected with linear bearing end cover, linear bearing end cover be connected with linear bearing, linear bearing end cover be connected with heavy load loading thick stick.
The device for measuring the comprehensive performance of the heavy-duty planetary roller screw pair comprises a loading assembly and a connecting screw rod, wherein the loading assembly comprises a hydraulic cylinder, the hydraulic cylinder is connected with a spoke type force sensor, the spoke type force sensor is connected with a force sensor connecting rod, the force sensor connecting rod is connected with the connecting screw rod, and a locking nut is installed on the connecting screw rod.
The device for measuring the comprehensive performance of the heavy-duty planetary roller screw pair comprises a bearing assembly, wherein the bearing assembly comprises a right-end bearing seat, the right-end bearing seat is connected with a bearing end cover, a bearing sleeve is arranged inside the right-end bearing seat, a tapered roller thrust bearing is installed in the bearing sleeve, and the tapered roller thrust bearing is installed in the tapered roller thrust bearing.
The utility model has the advantages that:
the utility model discloses can accomplish the test of the performance of the planetary roller lead screw of different diameters, length positioning accuracy, speed, transmission efficiency, axial stiffness under the heavy load state.
The utility model discloses a testing arrangement bearing frame is four stands and bears frame rack type structure, and it includes two left stands and two right stands that the symmetry set up, and 2 extension boards are connected jointly to two left stands and two right stand upper ends, can increase substantially test system's loading capacity.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the driving assembly of the present invention.
Fig. 3 is a schematic structural diagram of the testing device bearing frame of the present invention.
Fig. 4 is a schematic structural diagram of the testing assembly of the present invention.
Fig. 5 is a schematic structural diagram of the loading assembly of the present invention.
Fig. 6 is a schematic structural diagram of the bearing assembly of the present invention.
Fig. 7 is a front view of fig. 1.
Fig. 8 is a top view of fig. 7.
Fig. 9 is a left side view of fig. 7.
Fig. 10 is a right side view of fig. 7.
Fig. 11 is a cross-sectional view of fig. 7.
The specific implementation mode is as follows:
in order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in 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. 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.
The utility model provides a vice measuring device that synthesizes of heavy load planet roller lead screw: the device comprises a driving component 1, a testing device bearing frame 2, a testing component 3, a loading component 5, a bearing component 6, a base component 4 and a tested lead screw 7, and is shown in the attached drawings 1-6:
the driving assembly 1 comprises a driving assembly bracket 8, a servo motor 9, a motor support 10, a coupler 11, a torque sensor 12, a torque sensor base 13, an expansion sleeve 14, an expansion sleeve shaft 15, an encoder 16, an encoder sensor base 17 and an expansion sleeve clamp 18;
the bearing frame 2 of the testing device comprises a support plate 19, a support plate 42, an upright post 20, a middle support plate 21 and a wear-resistant copper sleeve 22;
the testing component 3 comprises a linear bearing end cover 23, a screw rod adapter flange 24, a grating ruler 25, a movable ruler mounting rack 26, a grating ruler mounting base plate 27, a clamp 28, a linear bearing seat 30, a heavy-load loading rod 31 and a guide rail 32;
the loading assembly 5 comprises a force sensor connecting rod 33, a connecting screw rod 34, a spoke type force sensor 35, a hydraulic cylinder 36 and a locking nut 37;
the bearing assembly 6 comprises a bearing end cover 38, a right end bearing seat 39, a bearing sleeve 40 and a tapered roller thrust bearing 41;
the driving assembly 1 is connected with a tested lead screw 7 by adopting an expansion sleeve 14 structure and is suitable for the performance test of the tested lead screws with various diameter sizes;
the loading assembly 5 is connected with the heavy-load loading rod 31 through the connecting screw rod 34, and the roller screws with different length sizes can be tested through locking different positions of the locking nut 37.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. The utility model provides a vice comprehensive properties measuring device of heavy load planet roller lead screw which characterized by: the method comprises the following steps: base subassembly (4), base subassembly (4) on install testing arrangement bearing frame (2), testing arrangement bearing frame (2) one side drive assembly (1) has, drive assembly (1) be connected with a pair of bearing assembly (6), bearing assembly (6) install testing arrangement bearing frame (2) on, one of them bearing assembly (6) on install and be surveyed lead screw (7), the lead screw adapter flange (24) of being surveyed lead screw and testing assembly (3) be connected, wherein another bearing assembly (6) be connected with loading subassembly (5).
2. The device for measuring the comprehensive performance of the heavy-duty planetary roller screw pair according to claim 1, which is characterized in that: drive assembly (1) include drive assembly support (8), drive assembly support on install motor support (10), torque sensor base (13), encoder sensor base (17), motor support (10) on install servo motor (9), torque sensor base (13) on install torque sensor (12), encoder sensor base (17) on install encoder (16), servo motor (9) be connected with tight sleeve (15) one end of expanding through shaft coupling (11), tight sleeve (15) of expanding on install torque sensor (12) encoder (16), tight sleeve (15) other end of expanding be connected with tight sleeve (14) of expanding, tight sleeve (14) of expanding be connected with tight sleeve anchor clamps (18) of expanding.
3. The device for measuring the comprehensive performance of the heavy-duty planetary roller screw pair according to claim 2, wherein: the bearing frame (2) of the testing device comprises an upright post (20), a first support plate (19), a middle support plate (21) and a second support plate (42) are sequentially arranged on the upright post, and wear-resistant copper sleeves (22) are arranged among the upright post, the first support plate (19), the middle support plate (21) and the second support plate (42).
4. The device for measuring the comprehensive performance of the heavy-duty planetary roller screw pair according to claim 3, wherein: test component (3) include grating chi mounting plate (27), grating chi mounting plate (27) on install grating chi (25), guide rail (32) on install movable scale mounting bracket (26), movable scale mounting bracket (26) be connected with anchor clamps (28), anchor clamps (28) be connected with lead screw adapter flange (24), lead screw adapter flange (24) be connected with linear bearing end cover (23), linear bearing end cover (23) be connected with linear bearing frame (30), linear bearing end cover (23) be connected with heavy load thick stick (31).
5. The device for measuring the comprehensive performance of the heavy-duty planetary roller screw pair according to claim 4, wherein: the loading assembly (5) comprises a hydraulic cylinder (36), the hydraulic cylinder (36) is connected with a spoke type force sensor (35), the spoke type force sensor (35) is connected with a force sensor connecting rod (33), the force sensor connecting rod (33) is connected with a connecting screw rod (34), and a locking nut (37) is installed on the connecting screw rod (34).
6. The device for measuring the comprehensive performance of the heavy-duty planetary roller screw pair according to claim 5, wherein: the bearing assembly (6) comprises a right end bearing seat (39), the right end bearing seat (39) is connected with a bearing end cover (38), a bearing sleeve is arranged inside the right end bearing seat (39), a tapered roller thrust bearing (41) is installed in the bearing sleeve, and the tapered roller thrust bearing (41) is installed in the bearing sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921497350.8U CN210221491U (en) | 2019-09-10 | 2019-09-10 | Heavy-duty planet roller screw pair comprehensive performance measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921497350.8U CN210221491U (en) | 2019-09-10 | 2019-09-10 | Heavy-duty planet roller screw pair comprehensive performance measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210221491U true CN210221491U (en) | 2020-03-31 |
Family
ID=69920876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921497350.8U Active CN210221491U (en) | 2019-09-10 | 2019-09-10 | Heavy-duty planet roller screw pair comprehensive performance measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210221491U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426200A (en) * | 2019-09-10 | 2019-11-08 | 哈工大机器人（山东）智能装备研究院 | Heavily loaded planetary roller screw pair comprehensive performance measuring device and measuring method |
| CN113340594A (en) * | 2021-06-23 | 2021-09-03 | 东北林业大学 | Fatigue life testing device and method for heavy-load planetary roller screw |
-
2019
- 2019-09-10 CN CN201921497350.8U patent/CN210221491U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426200A (en) * | 2019-09-10 | 2019-11-08 | 哈工大机器人（山东）智能装备研究院 | Heavily loaded planetary roller screw pair comprehensive performance measuring device and measuring method |
| CN113340594A (en) * | 2021-06-23 | 2021-09-03 | 东北林业大学 | Fatigue life testing device and method for heavy-load planetary roller screw |
| CN113340594B (en) * | 2021-06-23 | 2022-08-19 | 东北林业大学 | Fatigue life testing device and method for heavy-load planetary roller screw |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102519716B (en) | Test stand for performance of linear electromechanical actuator | |
| CN210221491U (en) | Heavy-duty planet roller screw pair comprehensive performance measuring device | |
| CN203811485U (en) | Stretching-twisting combined loading material micro mechanical property in-situ tester | |
| CN103017992B (en) | Device and method for measuring static rigidity of rolling linear guide rail pair | |
| CN107271180B (en) | Planetary roller screw comprehensive loading test device | |
| CN201402195Y (en) | Comprehensive performance test bench for brake | |
| CN103926160A (en) | In-situ tester for micromechanical property of material under combined tension and torsion | |
| CN201788086U (en) | Five degree-of-freedom magnetic levitation bearing mechanical test stand | |
| CN101750176B (en) | Electric power measuring machine automatically centering automobile chassis | |
| CN110426200A (en) | Heavily loaded planetary roller screw pair comprehensive performance measuring device and measuring method | |
| CN1220042C (en) | Rolling and friction composite testing machine | |
| CN202770631U (en) | Radial sliding bearing static load loading device | |
| CN202974605U (en) | Rolling linear guide rail pair static stiffness measuring device | |
| CN213632668U (en) | Sliding bearing test bed with changeable load direction | |
| CN113340594A (en) | Fatigue life testing device and method for heavy-load planetary roller screw | |
| CN112985816A (en) | Variable-size universal miniature turbine engine test bed | |
| CN106840935B (en) | Rope hypervelocity friction test machine | |
| CN109188277B (en) | Linear motor thrust fluctuation detection test bed | |
| CN104807592A (en) | Electric cylinder loading overlapping type force standard machine | |
| CN205192753U (en) | Automobile wheel hub bearing fatigue life testing machine | |
| CN214702754U (en) | Automobile bearing load test system | |
| CN106017933B (en) | Pivoting support testing stand aligning device and pivoting support testing stand | |
| CN210464928U (en) | Maximum bearing capacity detection table for motor production | |
| CN203561504U (en) | An axial loading apparatus for a high-speed railway axial comprehensive performance testing stand | |
| CN201529698U (en) | Wire drawing machine wire arranging belt wheel device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |