CN112014085A - Milling drum driving system dynamic load torque test device with energy recovery system - Google Patents
Milling drum driving system dynamic load torque test device with energy recovery system Download PDFInfo
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- CN112014085A CN112014085A CN202010841685.8A CN202010841685A CN112014085A CN 112014085 A CN112014085 A CN 112014085A CN 202010841685 A CN202010841685 A CN 202010841685A CN 112014085 A CN112014085 A CN 112014085A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
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Abstract
The invention discloses a dynamic load torque test device of a milling drum driving system with an energy recovery system, belonging to the technical field of milling machines; one end of the torque sensor is connected to a flange of the universal coupling through a third coupling and a bearing seat, and the other end of the torque sensor is connected to the input end of the reduction gearbox through a second coupling; the other end of the universal coupling is connected with the milling drum; the output end of the speed reducer is connected with the input end of the transfer case through a first coupler; the first output end of the transfer case is connected with the energy recovery system, and the second output end of the transfer case is connected with the output end of the water-cooling friction plate brake; an air pipe from the air path control box is connected with a water-cooling friction plate brake; the water pipe that water cooling plant came out connects water-cooling friction disc stopper, and water-cooling friction disc stopper, torque sensor, gas circuit control box, water cooling plant and energy recuperation system are connected to the instrument control cabinet. The device has the advantages of long test time, capability of adding the load to the full load and recycling the energy, energy conservation, simple operation and low test cost.
Description
Technical Field
The invention belongs to the technical field of milling machines, and particularly relates to a dynamic load torque test device of a milling drum driving system with an energy recovery system.
Background
The milling drum is the main working component of the milling machine, and the working performance of the milling drum directly influences the reliability of the whole machine. The current dynamic load test of the milling machine adopts the traditional ground milling test mode, is a typical destructive test, needs to continuously lay a road surface, has high cost and short test time, is difficult to add full load when loaded, is difficult to find the early failure of equipment in the ground milling test, has extremely high unit energy consumption of a large milling machine, and needs to consume a large amount of funds for testing the machine by a milling machine manufacturer.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides the dynamic load torque test device of the milling drum driving system with the energy recovery system.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a milling drum driving system dynamic load torque test device with an energy recovery system comprises a torque sensor, wherein one end of the torque sensor is connected to a flange of a universal coupling through a third coupling and a bearing seat, and the other end of the torque sensor is connected with the input end of a reduction box through a second coupling; the other end of the universal coupling is connected with the milling drum; the output end of the speed reducer is connected with the input end of the transfer case through a first coupler; the first output end of the transfer case is connected with the energy recovery system, and the second output end of the transfer case is connected with the output end of the water-cooling friction plate brake; an air pipe from the air path control box is connected with a water-cooling friction plate brake; the water pipe that water cooling plant came out connects water-cooling friction disc stopper, and water-cooling friction disc stopper, torque sensor, gas circuit control box, water cooling plant and energy recuperation system are connected to the instrument control cabinet.
Further, the energy recovery system comprises a generator, a rotor of the generator is connected with the first output end of the transfer case; the output end of the generator is connected with the storage battery and the distribution box through a power line, and the distribution box is connected with a factory load.
Furthermore, the water cooling device comprises a circulating pump, an outlet of the circulating pump is connected with a water inlet of the water-cooling friction plate brake through a water pipe, a water outlet of the water-cooling friction plate brake is connected with a water inlet of the cooling tower through a water pipe, and a water outlet of the cooling tower is connected with a water inlet of the circulating pump through a water pipe; the cooling tower comprises a cooling fan; the cooling fan and the circulating pump are respectively connected with the distribution box through power lines.
Furthermore, the first coupler adopts a plum blossom elastic coupler.
Further, the second coupling adopts an elastic pin coupling.
Furthermore, the third coupling adopts an elastic pin coupling.
Furthermore, an air pipe from the air path control box is connected with a water-cooling friction plate brake, and the braking torque of the water-cooling friction plate brake is controlled through air pressure.
Furthermore, a water pipe from the water cooling device is connected with the water-cooling friction plate brake, and the water-cooling friction plate brake is cooled through the radiator.
Compared with the prior art, the invention has the following beneficial effects: the invention adopts a test bed mode to replace the traditional destructive test scheme, realizes the loading test of the milling drum driving system, has long test time, can add load to full load, can display the utilization condition of the engine power in real time, has the function of energy recovery and utilization, converts most cutting power into electric energy by the energy recovery system to be reapplied in industrial production, saves energy, and has simple and convenient operation and low test cost.
Drawings
Fig. 1 is a system structure diagram of a dynamic load torque testing device of a milling drum driving system with an energy recovery system according to an embodiment of the present invention;
fig. 2 is a power supply system diagram of an energy recovery system of a milling drum driving system dynamic load torque testing device with the energy recovery system according to an embodiment of the invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 and 2, the milling drum driving system dynamic load torque test device with the energy recovery system comprises a torque sensor 5, wherein one end of the torque sensor 5 is connected to a flange of a universal coupling 8 through a third coupling 6 and a bearing seat 7, and the other end of the torque sensor is connected to the input end of a reduction gearbox 3 through a second coupling 4; the other end of the universal coupling 8 is connected with a milling drum; the output end of the speed reducer 3 is connected with the input end of the transfer case 13 through the first coupler 2; the first output end of the transfer case 13 is connected with the energy recovery system, and the second output end of the transfer case 13 is connected with the output end of the water-cooling friction plate brake 1; an air pipe from the air path control box 10 is connected with a water-cooling friction plate brake 1; a water pipe from the water cooling device 11 is connected with the water-cooling friction plate brake 1, and the instrument console 9 is connected with the water-cooling friction plate brake 1, the torque sensor 4, the gas circuit control box 10, the water cooling device 11 and the energy recovery system.
The water cooling device 11 comprises a circulating pump, an outlet of the circulating pump is connected with a water inlet of the water-cooling friction plate brake 1 through a water pipe, a water outlet of the water-cooling friction plate brake 1 is connected with a water inlet of the cooling tower through a water pipe, and a water outlet of the cooling tower is connected with a water inlet of the circulating pump through a water pipe; the circulating pump carries cooling water to water-cooling friction disc stopper 1, absorbs the heat energy that produces in the 1 course of operation of water-cooling friction disc stopper, and the cooling water after being heated flows into the cooling tower, is equipped with cooling blower on the cooling tower, and cooling blower continues the air supply to the cooling water after being heated to take away the heat in the cooling water, the cooling water after being cooled sends into water-cooling friction disc stopper 1 through the circulating pump once more, realizes the continuous cooling to water-cooling friction disc stopper 1.
The energy recovery system comprises a generator 12, and a rotor of the generator 12 is connected with a first output end of a transfer case 13; the output end of the generator 12 is connected with a storage battery and a distribution box through a power line, and the distribution box is connected with a factory load (load a, load b, and the like). In this embodiment, the circulating pump and the cooling fan in the water cooling device 11 are respectively connected to the distribution box through power lines, and a part of the electric energy generated by the energy recovery system is stored in the battery system, and a part of the electric energy is used for supplying power to the circulating pump, the cooling fan and other electric devices in the water cooling device 11. In this embodiment, the water cooling device 11 is provided with two sets of power supply systems, which are an in-plant power supply system and an energy recovery system in this embodiment, respectively, the energy recovery system is connected to the instrument console 9, the operating parameters of the energy recovery system can be monitored in real time through the instrument console 9, and after the energy recovery system has a power supply condition, the power supply of the water cooling device 11 can be switched to the energy recovery system for power supply, so that the energy can be recycled and the test cost can be reduced. The power supply system in the factory is mainly used for debugging and overhauling equipment and when the power generation power of the energy recovery system is insufficient.
During testing, the energy recovery system is firstly opened, the milling machine is started, the milling drum driving system drives the milling drum, the milling drum drives the testing device of the embodiment through the universal coupling 8, then the energy recovery system starts to generate electricity through the generator, part of electric energy generated by the generator is stored in the storage battery system, part of the electric energy supplies power to the water cooling device 11 and the plant load in the embodiment through the distribution box, the load capacity connected into the energy recovery system is adjusted through the distribution box, and the power exceeding the energy of the generator is heated and consumed through the water cooling friction plate brake 1; in the present embodiment, when the load connected to the energy recovery system reaches 80% of the milling machine power, the water-cooled friction plate brake 1 (air pressure regulation) is opened again to continue loading to 90% of the milling machine power, and the fluctuation of the test stand is generally less than 10%, so that the system can be basically maintained stable.
An air pipe from the air path control box 10 is connected with the water-cooling friction plate brake 1, and the braking torque of the water-cooling friction plate brake 1 is controlled through air pressure in the test process; the water pipe from the water cooling device 11 is connected with the water-cooling friction plate brake 1, and the water-cooling friction plate brake 1 is cooled through the radiator. By adopting the test device of the embodiment, the test time is long, the load can be added to the full load, the running parameters of the water-cooling friction plate brake 1 and the torque sensor 4 and the matching relation between the braking torque and the engine power of the milling machine can be displayed through the instrument control console 9 in real time, and therefore whether each performance of the milling machine can meet the theoretical requirement is reflected. In this embodiment, the instrument console 9 also displays the operation parameters of each device in the water cooling device, the water temperature change of the cooling water, and the control parameters of the gas circuit control box 10 in real time.
In this embodiment, the first coupling 2 is a quincuncial elastic coupling; the second coupler 4 and the third coupler 6 adopt elastic pin couplers; the water-cooled friction plate brake 1 is a disk-type dry friction plate brake, and a water jacket of a friction pair of the water-cooled friction plate brake is composed of a special silver-containing copper plate, and has high friction coefficient, high heat transfer coefficient and high wear resistance. The positive pressure of friction disc is produced by the thrust of gasbag, and braking torque and the atmospheric pressure of gasbag are the linear proportional relation, so the regulation of braking torque is realized by the air pressure governing valve that sets up on the gas circuit that gas circuit control box 10 came out, and the heat that power consumption produced is taken away by the cooling water, controls the axial force through adjustment atmospheric pressure, lets the vice friction of friction produce different braking torques to satisfy the experimental requirement of different moments of torsion.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A milling drum driving system dynamic load torque test device with an energy recovery system is characterized by comprising a torque sensor (5), wherein one end of the torque sensor (5) is connected to a flange of a universal coupling (8) through a third coupling (6) and a bearing seat (7), and the other end of the torque sensor is connected with the input end of a reduction gearbox (3) through a second coupling (4); the other end of the universal coupling (8) is connected with the milling drum; the output end of the speed reducer (3) is connected with the input end of the transfer case (13) through the first coupler (2); the first output end of the transfer case (13) is connected with the energy recovery system, and the second output end of the transfer case (13) is connected with the output end of the water-cooling friction plate brake (1); an air pipe from the air path control box (10) is connected with a cold friction plate brake (1); a water pipe from the water cooling device (11) is connected with the water cooling friction plate brake (1), and the instrument console (9) is connected with the water cooling friction plate brake (1), the torque sensor (4), the gas circuit control box (10), the water cooling device (11) and the energy recovery system.
2. The milling drum drive system dynamic torque test device with the energy recovery system according to claim 1, characterized in that the energy recovery system comprises a generator (12), the rotor of the generator (12) is connected with the first output of the transfer case (13); the output end of the generator (12) is connected with a storage battery and a distribution box through a power line, and the distribution box is connected with a factory load.
3. The milling drum driving system dynamic torque test device with the energy recovery system according to claim 2, characterized in that the water cooling device (11) comprises a circulating pump, an outlet of the circulating pump is connected with a water inlet of the water-cooled friction plate brake (1) through a water pipe, a water outlet of the water-cooled friction plate brake (1) is connected with a water inlet of a cooling tower through a water pipe, and a water outlet of the cooling tower is connected with a water inlet of the circulating pump through a water pipe; the cooling tower comprises a cooling fan; the cooling fan and the circulating pump are respectively connected with the distribution box through power lines.
4. The milling drum drive system dynamic torque test device with the energy recovery system according to claim 1, characterized in that the first coupling (2) is a torx coupling.
5. The milling drum drive system dynamic torque test device with energy recovery system according to claim 1, characterized in that the second coupling (4) is an elastic pin coupling.
6. The milling drum drive system dynamic torque test device with the energy recovery system according to claim 1, characterized in that the third coupling (6) is an elastic pin coupling.
7. The milling drum driving system dynamic load torque test device with the energy recovery system according to claim 1, wherein an air pipe from the air path control box (10) is connected with the water-cooled friction plate brake (1), and the braking torque of the water-cooled friction plate brake (1) is controlled through air pressure.
8. The milling drum driving system dynamic load torque test device with the energy recovery system according to claim 1, characterized in that a water pipe from the water cooling device (11) is connected with the water-cooled friction plate brake (1), and the water-cooled friction plate brake (1) is cooled by a radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010841685.8A CN112014085A (en) | 2020-08-20 | 2020-08-20 | Milling drum driving system dynamic load torque test device with energy recovery system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010841685.8A CN112014085A (en) | 2020-08-20 | 2020-08-20 | Milling drum driving system dynamic load torque test device with energy recovery system |
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| CN112014085A true CN112014085A (en) | 2020-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010841685.8A Pending CN112014085A (en) | 2020-08-20 | 2020-08-20 | Milling drum driving system dynamic load torque test device with energy recovery system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113580946A (en) * | 2021-07-29 | 2021-11-02 | 湖南三一中益机械有限公司 | Milling machine braking system, milling machine braking method and milling machine |
| CN114438857A (en) * | 2022-01-21 | 2022-05-06 | 黄勤英 | Pavement milling machine with power generation function |
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2020
- 2020-08-20 CN CN202010841685.8A patent/CN112014085A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113580946A (en) * | 2021-07-29 | 2021-11-02 | 湖南三一中益机械有限公司 | Milling machine braking system, milling machine braking method and milling machine |
| CN113580946B (en) * | 2021-07-29 | 2023-09-01 | 湖南三一中益机械有限公司 | Milling machine braking system, braking method and milling machine |
| CN114438857A (en) * | 2022-01-21 | 2022-05-06 | 黄勤英 | Pavement milling machine with power generation function |
| CN114438857B (en) * | 2022-01-21 | 2023-10-10 | 国网安徽省电力有限公司铜陵市义安区供电公司 | Pavement milling machine with power generation function |
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