CN211291994U - High-efficient round of limit speed reducer type test device - Google Patents
High-efficient round of limit speed reducer type test device Download PDFInfo
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- CN211291994U CN211291994U CN202020161353.0U CN202020161353U CN211291994U CN 211291994 U CN211291994 U CN 211291994U CN 202020161353 U CN202020161353 U CN 202020161353U CN 211291994 U CN211291994 U CN 211291994U
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Abstract
The utility model discloses a high-efficiency wheel-side speed reducer type test device, which comprises a driving variable frequency motor, a first torque and speed sensor, a first wheel-side speed reducer detection device, a second torque and speed sensor and a load variable frequency motor which are arranged on a base in sequence, the first wheel reduction gear detection device and the second wheel reduction gear detection device both comprise a fixed accommodating cavity and equipment to be detected arranged in the fixed accommodating cavity, the fixed accommodating cavity is fixedly connected through a connecting flange, the equipment to be tested is connected with the first torque and rotation speed sensor/the second torque and rotation speed sensor through a connecting tool arranged on one side of the fixed accommodating cavity, the first torque and rotation speed sensor is connected with the driving variable frequency motor through a first coupler, and the second torque and rotation speed sensor is connected with the load variable frequency motor through a second coupler. The utility model discloses simple structure, convenient to use, swift laborsaving during installation equipment to be measured has improved detection efficiency greatly.
Description
Technical Field
The utility model belongs to the technical field of the speed reduction increases turns round mechanism capability test technique and specifically relates to a high-efficient wheel reduction type test device.
Background
The mining electric wheel dump truck has high efficiency, large transportation capacity and good economical efficiency, and becomes an ideal transportation tool for surface mines with annual mining capacity of more than ten million tons and large-scale hydraulic construction engineering, the wheel side speed reducer is a core component of the mining electric wheel dump truck and is the only speed-reducing and torque-increasing mechanism in the mining electric wheel dump truck, the quality of the performance directly determines the transportation efficiency of the mining electric wheel dump truck, and the wheel side speed reducer has a decisive effect on the yield of the mine, so that a series of tests for simulating working conditions such as noise, vibration, temperature rise tests, overload tests and the like are necessary. The existing test device is large in size, complex in connection structure with equipment to be tested and time-consuming and labor-consuming in test.
Disclosure of Invention
In order to solve the problem, the utility model provides a high-efficient round of limit speed reducer type test device specifically can take following technical scheme:
the high-efficiency wheel-side speed reducer type test device of the utility model comprises a driving variable frequency motor, a first torque and rotation speed sensor, a first wheel-side speed reducer detection device, a second torque and rotation speed sensor and a load variable frequency motor which are arranged on a base in sequence, the first wheel reduction gear detection device and the second wheel reduction gear detection device both comprise a fixed accommodating cavity and equipment to be detected arranged in the fixed accommodating cavity, the fixed accommodating cavity is fixedly connected through a connecting flange, the equipment to be tested is connected with the first torque and rotation speed sensor/the second torque and rotation speed sensor through a connecting tool arranged on one side of the fixed accommodating cavity, the first torque and rotation speed sensor is connected with the driving variable frequency motor through a first coupler, and the second torque and rotation speed sensor is connected with the load variable frequency motor through a second coupler.
Connect the frock including setting up the connecting plate that holds cavity one side fixedly, be provided with the bearing retainer cup in the mounting hole of connecting plate, the otic placode of bearing retainer cup links to each other with the connecting plate spiro union, is provided with the shoulder shaft in the bearing retainer cup, set up on the terminal surface of one side of shoulder shaft with the equipment input shaft external splines matched with internal spline that awaits measuring, the opposite side of shoulder shaft is provided with the keyway that is used for connecting first shaft coupling or second shaft coupling, the middle part of shoulder shaft has cup jointed first bearing and the second bearing with bearing retainer cup matched with, be provided with the distance ring between first bearing and the second bearing, just the second bearing outside is provided with wear-resisting cover and the gland that links to each other with the bearing retainer cup spiro union.
The connecting plate is provided with a positioning step surface matched with the equipment to be tested, and the connecting plate is also provided with a bolt penetrating hole.
And the bearing sleeve cup is provided with an oil filling nozzle which is communicated with an oil duct with an opening arranged between the first bearing and the second bearing.
And oil seals are arranged on the outer sides of the first bearing and the second bearing.
The bottom of the fixed accommodating cavity is connected with the base through a T-shaped bolt.
An electric control cabinet is further arranged on the base.
The utility model provides a high-efficient wheel limit speed reducer type test device, simple structure, convenient to use swiftly laborsaving during installation equipment to be tested has improved detection efficiency greatly. Compared with the prior art, the method has the following advantages:
1) the two hub reduction gears can be subjected to type tests at the same time;
2) different loads can be applied according to the requirements so as to simulate the actual working condition more truly;
3) the bearing temperature, the oil temperature, the box body temperature, the vibration, the noise and the transmission efficiency of the two wheel-side speed reducers can be detected in real time at the same time;
4) the device has rich test contents, simple structure, convenient operation and low cost;
5) through the different connection frock of quick change, can realize carrying out the type test to the wheel reduction gear of different models, improve test device's commonality.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of a connecting tool in the first wheel reduction gear detection device in fig. 1.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings, and the embodiments are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, but the scope of the present invention is not limited to the following embodiments.
As shown in figures 1 and 2, the high-efficiency hub reduction gear type testing device of the utility model comprises a driving variable frequency motor 2, a first torque speed sensor 3, a first hub reduction gear detection device 4, a second hub reduction gear detection device 5, a second torque speed sensor 6, a load variable frequency motor 7 and an electric control cabinet 8 which are arranged on a base 1 in sequence, wherein the first hub reduction gear detection device 4 and the second hub reduction gear detection device 5 both comprise a fixed accommodating cavity 4a and a device to be tested 4b arranged in the fixed accommodating cavity, the fixed accommodating cavity 4a is fixedly connected through a connecting flange 9, the device to be tested 4b is connected with the first torque speed sensor 3/the second torque speed sensor 6 through a connecting tool 10 arranged on one side of the fixed accommodating cavity, the first torque speed sensor 3 is connected with the driving variable frequency motor 2 through a first coupler 11, the second torque and rotation speed sensor 6 is connected with the load variable frequency motor 7 through a second coupling 12. The bottom of the fixed accommodating cavity 4a is connected with the base 1 through a T-shaped bolt.
The connecting tool 10 comprises a connecting plate 10.1 installed on one side of a fixed accommodating cavity 4a, a bearing sleeve cup 10.2 is arranged in a mounting hole of the connecting plate 10.1, an ear plate of the bearing sleeve cup 10.2 is connected with the connecting plate 10.1 in a threaded manner, a stepped shaft 10.3 penetrates through the bearing sleeve cup 10.2, an inner spline 10.4 matched with an outer spline of an input shaft of the equipment to be tested 4b is arranged on one side end face of the stepped shaft 10.3, a key groove 10.5 used for connecting a first coupler 11 or a second coupler 12 is arranged on the other side of the stepped shaft 10.3, a first bearing 10.6 and a second bearing 10.7 matched with the bearing sleeve cup 10.2 are sleeved in the middle of the stepped shaft 10.3, a distance ring 10.8 is installed between the first bearing 10.6 and the second bearing 10.7, and a wear-resistant sleeve 10.9 and a gland 10.10 connected with the bearing sleeve cup 10.2 in a threaded manner are installed on the outer side of the. In order to facilitate positioning and installation, a positioning step surface 10.11 matched with the equipment to be tested 4b is arranged on the connecting plate 10.1, and a bolt penetrating hole is further formed in the connecting plate 10.1. The first bearing 10.6 and the second bearing 10.7 are each fitted with an oil seal 10.12 on their outer sides. In order to increase the lubricity, a filler neck 10.13 is mounted on the bearing sleeve 10.2, the filler neck 10.13 communicating with an oil channel whose opening is provided between the first bearing 10.6 and the second bearing 10.7.
The electric control cabinet 8 is provided with a display screen, a printer, a driving unit, a loading unit, a rectifying unit, a control switch button, a shell, a rectifying unit display screen, a storage unit and an alarm unit so as to be matched with the test.
When the test device is used, one device can be tested at the same time, and two devices can also be tested at the same time. Taking one device to be tested 4b as an example, the external spline of the input shaft of the device to be tested is inserted into the internal spline 10.4 of the stepped shaft 10.3, and the device to be tested 4b is fixed on the connecting plate 10.1 through the positioning pin and the connecting bolt. The positioning step surface 10.11 is arranged on the inner side of the connecting plate 10.1, so that the coaxial arrangement of the axis of the tool and the axis of the equipment to be tested 4b can be ensured; then synthetic lithium-based lubricating grease is injected into the bearing sleeve cup 2 through the oil filling nozzle 10.13 for lubricating a bearing and sealing; then the coupling of the first torque rotating speed sensor 3/the second torque rotating speed sensor 6 is sleeved on the stepped shaft 10.3 and is connected together through a key, and then the test can be started.
In the description of the present invention, it should be noted that the terms "front", "back", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Claims (7)
1. The utility model provides a high-efficient round of limit speed reducer type test device which characterized in that: including drive inverter motor, first torque speed sensor, first round of limit speed reducer detection device, second torque speed sensor and the load inverter motor who arranges in order on the base, first round of limit speed reducer detection device and second round of limit speed reducer detection device all include fixed cavity and the equipment of awaiting measuring of arranging in it, fixed cavity that holds passes through coupling flange fixed connection, the equipment of awaiting measuring is connected with first torque speed sensor/second torque speed sensor through setting up at the fixed connection frock that holds cavity one side, first torque speed sensor links to each other with drive inverter motor through first shaft coupling, second torque speed sensor passes through the second shaft coupling and links to each other with load inverter motor.
2. The high-efficiency wheel hub reduction unit type test device according to claim 1, characterized in that: connect the frock including setting up the connecting plate that holds cavity one side fixedly, be provided with the bearing retainer cup in the mounting hole of connecting plate, the otic placode of bearing retainer cup links to each other with the connecting plate spiro union, is provided with the shoulder shaft in the bearing retainer cup, set up on the terminal surface of one side of shoulder shaft with the equipment input shaft external splines matched with internal spline that awaits measuring, the opposite side of shoulder shaft is provided with the keyway that is used for connecting first shaft coupling or second shaft coupling, the middle part of shoulder shaft has cup jointed first bearing and the second bearing with bearing retainer cup matched with, be provided with the distance ring between first bearing and the second bearing, just the second bearing outside is provided with wear-resisting cover and the gland that links to each other with the bearing retainer cup spiro union.
3. The high-efficiency wheel hub reduction unit type test device according to claim 2, characterized in that: the connecting plate is provided with a positioning step surface matched with the equipment to be tested, and the connecting plate is also provided with a bolt penetrating hole.
4. The high-efficiency wheel hub reduction unit type test device according to claim 2, characterized in that: and the bearing sleeve cup is provided with an oil filling nozzle which is communicated with an oil duct with an opening arranged between the first bearing and the second bearing.
5. The high-efficiency wheel hub reduction unit type test device according to claim 2, characterized in that: and oil seals are arranged on the outer sides of the first bearing and the second bearing.
6. The high-efficiency wheel hub reduction unit type test device according to claim 2, characterized in that: the bottom of the fixed accommodating cavity is connected with the base through a T-shaped bolt.
7. The high-efficiency wheel hub reduction unit type test device according to claim 1, characterized in that: an electric control cabinet is further arranged on the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020161353.0U CN211291994U (en) | 2020-02-11 | 2020-02-11 | High-efficient round of limit speed reducer type test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020161353.0U CN211291994U (en) | 2020-02-11 | 2020-02-11 | High-efficient round of limit speed reducer type test device |
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| CN211291994U true CN211291994U (en) | 2020-08-18 |
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| CN202020161353.0U Active CN211291994U (en) | 2020-02-11 | 2020-02-11 | High-efficient round of limit speed reducer type test device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112747920A (en) * | 2020-12-18 | 2021-05-04 | 清华大学 | Mechanical power closed type test bed and test method for hub reduction gear |
| CN113624491A (en) * | 2021-08-26 | 2021-11-09 | 中国煤炭科工集团太原研究院有限公司 | Loading test method for mining electrically-driven speed reducer |
-
2020
- 2020-02-11 CN CN202020161353.0U patent/CN211291994U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112747920A (en) * | 2020-12-18 | 2021-05-04 | 清华大学 | Mechanical power closed type test bed and test method for hub reduction gear |
| CN113624491A (en) * | 2021-08-26 | 2021-11-09 | 中国煤炭科工集团太原研究院有限公司 | Loading test method for mining electrically-driven speed reducer |
| CN113624491B (en) * | 2021-08-26 | 2024-03-12 | 中国煤炭科工集团太原研究院有限公司 | Loading test method for mining electric drive speed reducer |
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