Walking gearbox test bed

Abstract

The invention discloses a walking gear box test bed which comprises an installation platform, a gear box support, a transition disc, a driving system, a motor support, an oil cylinder tool, an ejector block, a locked-rotor support, a coupling sleeve, a universal coupling, a slewing bearing, an oil cylinder, a motor, a torque sensor, a sliding ring, a sizing block, a diaphragm coupling and a transition disc. According to the invention, twin-dragging and locked-rotor tests of gearboxes of different models can be carried out, the test requirements of durability tests and bidirectional pulse tests of the gearboxes are met, and the continuous operation capability is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of gear box experimental equipment, and in particular to a gear box test bench. Background Art

[0002] Travel gearboxes play a vital role in the field of heavy engineering transportation, providing solid support for the stable movement of various large equipment.

[0003] Travel gearbox is a key component specially designed to carry and drive heavy equipment. It is usually made of high-strength metal materials and undergoes precise processing and assembly processes to ensure that it can withstand huge loads and impacts in harsh working environments. Its structure is exquisitely designed, and each component works together to form an efficient transmission system. Whether it is in cranes, stackers or material transportation in large factories, travel wheel boxes play an indispensable role.

[0004] The advantages of travel gearboxes include strong load-bearing capacity, excellent durability and high-precision motion control. With advanced materials and structural design, a single gearbox can bear several tons or even dozens of tons of weight. Facing complex and changing working environments, such as high temperature, humidity, and dust, travel gearboxes have shown strong adaptability and durability. Through precise manufacturing processes and optimized transmission systems, travel gearboxes can achieve high-precision travel control, making the equipment more stable and accurate during operation. Summary of the invention

[0005] The object of the present invention is to provide a traveling gearbox test bench to solve the problem of verifying the strong load-bearing capacity, excellent durability and high-precision motion control of the gearbox proposed in the above-mentioned background technology.

[0006] To achieve the above object, the present invention adopts the following technical solutions:

[0007] It can meet the gearbox durability test and bidirectional pulse test requirements and has the ability to operate continuously.

[0008] A walking gearbox test bench comprises an installation platform 1, a gearbox bracket 2, a transition plate 3, a drive system 4, a motor bracket 5, a cylinder tooling 6, a top block 7, a stall bracket 8, a coupling sleeve 9, a universal coupling 10, a slewing bearing 11, a cylinder 12, a motor 13, a torque sensor 14, a slip ring 15, a washer 16, a diaphragm coupling 17 and a transition plate 18; the installation platform 1 is installed on a concrete platform, and a washer 16 is provided on the installation platform 1; the washer 16 is provided with a drive system 4, and a gearbox bracket 2 is provided in front of the drive system; a gearbox is provided in front of the gearbox bracket 2; a transition plate 18 is provided in front of the gearbox; a coupling sleeve 9 is provided in front of the transition plate 18; a slip ring 15 and a universal coupling 10 are provided in front of the coupling sleeve; two sets of the above-mentioned equipment are provided on the installation platform 1, and the two sets of equipment are symmetrically installed.

[0009] A slewing support 11 is disposed on the other side of the transition plate 18 , and a cylinder tooling 6 is disposed under the slewing support 11 .

[0010] The gear box bracket 2 is provided with a cylinder fixture 6; the cylinder fixture 6 is provided with a cylinder bracket 5; the cylinder bracket is provided with a cylinder 12, a top block 7 is installed on the cylinder 12, and the top block 7 is in contact with the slewing bearing 11.

[0011] The driving system 4 comprises a motor 13, a motor bracket 5, a washer 16, a motor shield 4-1, a diaphragm coupling 17, a torque sensor 14, a torque sensor bracket 4-2 and a torque sensor shield 4-3, and the motor bracket 5 is provided on the washer (16).

[0012] The motor bracket 5 is provided with a motor 13, a motor shield 4-1, a diaphragm coupling 17, a torque sensor 14, a torque sensor bracket 4-2 and a torque sensor shield 4-3; two diaphragm couplings 17 are provided in front of the motor 13; a torque sensor 14 and a torque sensor bracket 4-2 are provided between the two diaphragm couplings, and a torque sensor bracket 4-2 is provided under the torque sensor 14.

[0013] A blocking bracket 8 is provided on the installation platform 1 ; the blocking bracket 8 is installed in front of the right coupling sleeve 9 .

[0014] The slip ring 15 constitutes a cooling system, and a cooling oil pipe 15-2 is installed on the oil pipe bracket 15-1. After the cooling oil pipe 15-2 is connected to the outer ring of the slip ring 15, the inner circle cooling oil pipe 15-3 is connected to the gear box.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The system of the present invention adopts an advanced electrically enclosed energy feedback loading method. The theoretical system only provides energy to overcome the loss generated by mechanical and electrical factors, and can realize the loading process of the entire test; this can effectively save about 70-80% of the energy consumption of full loading power.

[0017] The mechanical installation of the test bench takes into account the largest travel gearbox in the data. During on-site installation, the motors and gearbox mounting brackets on both sides are fixed on the T-slot platform, and the distance is kept constant. Replacing different gearboxes only requires replacing flanges and other accessories; the mounting bracket is equipped with a leakage oil collection plate to prevent leakage oil from contaminating the ground during installation; when the motor and bracket are fixed, the gearbox can be quickly replaced through this structure; during the test, the oil cylinder at the bottom of the bracket can provide radial load to the gearbox through the slewing bearing; a simple installation device is designed around the shim, and when the motor base needs to be moved again, the shim can be hoisted with the base to reduce the time and effort of manual handling; the center height of the test bench is about 1150mm, and the replacement of the transition tooling does not change the center height of the test bench. The shim can fine-tune the motor center height (0-10mm); the main body of the radial force loading mechanism adopts the "oil cylinder + slewing bearing" method, which reduces friction compared to the roller support method, is more durable and reliable to use, and protects the cylinder rod from being subjected to large tangential forces. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0019] Figure 2 It is the layout diagram of the oil cylinder of the present invention.

[0020] Figure 3 It is a structural diagram of the drive system of the present invention.

[0021] Figure 4 This is an installation diagram of the stall bracket of the present invention.

[0022] Figure 5 This is a structural diagram of the cooling system of the present invention.

[0023] In the figure: 1. Installation platform; 2. Gear box bracket; 3. Transition plate; 4. Drive system; 4-1. Motor shield; 4-2. Torque meter shield; 4-3. Torque meter bracket; 5. Motor bracket; 6. Cylinder tooling; 7. Top block; 8. Stall bracket; 9. Coupling sleeve; 10. Universal coupling; 11. Slewing bearing; 12. Cylinder; 13. Motor; 14. Torque sensor; 15. Slip ring; 15-1. Cooling oil pipe; 15-2. Oil pipe bracket; 16. Washer; 17. Diaphragm coupling; 18. Transition plate. DETAILED DESCRIPTION

[0024] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0025] like Figures 1 to 5 A walking gearbox test bench comprises an installation platform 1, a gearbox bracket 2, a transition plate 3, a drive system 4, a motor bracket 5, a cylinder tooling 6, a top block 7, a stall bracket 8, a coupling sleeve 9, a universal coupling 10, a slewing bearing 11, a cylinder 12, a motor 13, a torque sensor 14, a slip ring 15, a washer 16, a diaphragm coupling 17 and a transition plate 18; the installation platform 1 is installed to a concrete platform, and a washer 16 is provided on the installation platform 1; the washer 16 is provided with a drive system 4, and a gearbox bracket 2 is provided in front of the drive system; a gearbox is provided in front of the gearbox bracket 2; a transition plate 18 is provided in front of the gearbox; a coupling sleeve 9 is provided in front of the transition plate 18; a slip ring 15 and a universal coupling 10 are provided in front of the coupling sleeve, and both ends of the coupling are fixed to the connecting sleeve, positioned by installing a stopper, and the end face key + bolt transmits torque; two sets of the above equipment are provided on the installation platform 1, and the two sets of equipment are symmetrically installed.

[0026] A slewing support 11 is provided on the other side of the transition plate 18, and a cylinder fixture 6 is provided under the slewing support 11. The gear box bracket 2 is provided with a cylinder fixture 6; the cylinder fixture 6 is provided with a cylinder bracket 5; the cylinder bracket is provided with a cylinder 12, and a top block 5-1 is installed on the cylinder 12, and the top block 5-2 is in contact with the slewing support 11. When the motor 13 and the gear box bracket 2 are fixed, the gear box can be quickly replaced through the transition plate 18. During the test, the cylinder 22 at the bottom of the bracket can provide radial load to the gear box through the slewing support 11.

[0027] The drive system 4 includes a motor 13, a motor bracket 5, a washer 16, a motor shield 4-1, a diaphragm coupling 17, a torque sensor 14, a torque sensor bracket 4-2, and a torque sensor shield 4-3. The washer 16 is provided with a motor bracket 5; the motor bracket 5 is provided with a motor 13, a motor shield 4-1, a diaphragm coupling 17, a torque sensor 14, a torque sensor bracket 4-2, and a torque sensor shield 4-3. The motor shield 4 is used for motor protection and sound insulation treatment to reduce interference with gearbox noise judgment and reduce noise damage to operators. In order to ensure normal ventilation in the soundproof enclosure, a forced air exchange system is provided in the soundproof enclosure, and an observation window and a soundproof door are provided in the soundproof enclosure; two diaphragm couplings 17 are provided in front of the motor 13; a torque sensor 14 and a torque sensor bracket 4-2 are provided between the two diaphragm couplings, and a torque sensor bracket 4-2 is provided under the torque sensor 14.

[0028] The mounting platform 1 is provided with a stall bracket 8, which is mounted on the right coupling sleeve 9. The stall device is used to perform the pulse loading performance test of the travel drive gearbox. The connecting sleeve at the output end of the gearbox is connected to the stall device with bolts to mechanically hold the output end, and then the torque is loaded at the input end of the gearbox to complete the function.

[0029] The slip ring 15 constitutes a cooling system, and a cooling oil pipe 15-2 is installed on the oil pipe bracket 15-1. After the cooling oil pipe 15-2 is connected to the outer ring of the slip ring 15, the inner ring cooling oil pipe 15-3 is connected to the gear box.

[0030] When in use, the two test gearboxes are respectively installed with transition flanges 3 and coupling sleeves 9; the gearboxes are respectively installed on the two gear brackets 2 and fixed; the two coupling sleeves 9 are calibrated; the universal coupling 10 is installed, and the coupling can adjust the axial and angular deviations, and the axial direction is retractable. The motor 13 is powered on and rotated, and the torque passes through the diaphragm coupling 17 and the torque sensor 14. The gearbox rotates to drive the transition plate 3, and the coupling sleeve 9 rotates and drives the universal coupling 10 at the same time. The universal coupling 10 drives the coupling sleeve 9 at the other end, and the test gearbox rotates to drive the diaphragm coupling 17 to obtain the torque sensor 14 signal.

[0031] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only preferred examples of the invention and are not intended to limit the present invention. Without departing from the novel spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A traveling gearbox test bench, characterized in that: The invention comprises a mounting platform (1), a gear box bracket (2), a transition plate (3), a drive system (4), a motor bracket (5), a cylinder tooling (6), a top block (7), a blocking bracket (8), a coupling sleeve (9), a universal coupling (10), a slewing bearing (11), a cylinder (12), a motor (13), a torque sensor (14), a slip ring (15), a washer (16), a diaphragm coupling (17) and a transition plate (18); the mounting platform (1) is mounted on a concrete platform A shim (16) is provided on the installation platform (1); a drive system (4) is provided on the shim (16); a gear box bracket (2) is provided in front of the drive system; a gear box is provided in front of the gear box bracket (2); a transition plate (18) is provided in front of the gear box; a coupling sleeve (9) is provided in front of the transition plate (18); a slip ring (15) and a universal coupling (10) are provided in front of the coupling sleeve; two sets of the above-mentioned equipment are provided on the installation platform (1), and the two sets of equipment are symmetrically installed.

2. The travel gearbox test bench according to claim 1 is characterized in that: A slewing support (11) is provided on the other side of the transition plate (18), and a cylinder tooling (6) is provided under the slewing support (11).

3. The travel gearbox test bench according to claim 3 is characterized in that: The gear box bracket (2) is provided with a cylinder fixture (6); the cylinder fixture (6) is provided with a cylinder bracket (5); the cylinder bracket is provided with a cylinder (12), a top block (7) is installed on the cylinder (12), and the top block (7) is in contact with a slewing bearing (11).

4. The travel gearbox test bench according to claim 1, characterized in that: The drive system (4) comprises a motor (13), a motor bracket (5), a washer (16), a motor shield (4-1), a diaphragm coupling (17), a torque sensor (14), a torque sensor bracket (4-2) and a torque sensor shield (4-3), wherein the motor bracket (5) is provided on the washer (16).

5. The travel gearbox test bench according to claim 1, characterized in that: The motor bracket (5) is provided with a motor (13), a motor shield (4-1), a diaphragm coupling (17), a torque sensor (14), a torque sensor bracket (4-2) and a torque sensor shield (4-3); two diaphragm couplings (17) are provided in front of the motor (13); a torque sensor (14) and a torque sensor bracket (4-2) are provided between the two diaphragm couplings; and a torque sensor bracket (4-2) is provided under the torque sensor (14).

6. The travel gearbox test bench according to claim 1, characterized in that: A blocking bracket (8) is provided on the installation platform (1); the blocking bracket (8) is installed in front of the right coupling sleeve (9).

7. The traveling gearbox test bench according to claim 1, characterized in that: The slip ring (15) forms a cooling system, a cooling oil pipe (15-2) is installed on the oil pipe bracket (15-1), and after the cooling oil pipe (15-2) is connected to the outer ring of the slip ring (15), the inner circle cooling oil pipe (15-3) is connected to the gear box.

Images