Hydraulic test bed

Abstract

The utility model provides a hydraulic test stand, which comprises a stand provided with a test carrying table used for arranging a hydraulic element to be tested; the hydraulic source is arranged at the bottom of the rack; the mounting platform is detachably arranged in the rack, and the mounting platform is located above the hydraulic source; the control valve group is arranged on the mounting platform, a first liquid changing end of the control valve group is detachably connected with a liquid changing end of the hydraulic source, a second liquid changing end of the control valve group is connected with a liquid changing end of the hydraulic element to be tested, and the control valve group is used for controlling a liquid path between the hydraulic source and the hydraulic element to be tested. According to the hydraulic test stand, the control valve group can be arranged in a centralized mode and integrally disassembled and assembled in the stand through the installation platform, so that replacement, overhaul and other operations of all valve bodies in the control valve group are facilitated, the overhaul efficiency of the test stand is effectively improved, meanwhile, the integrated control valve group can be used for achieving multiple purposes, and the test stand is convenient to use. And the detection cost is reduced.

Description

Technical Field

[0001] The present disclosure relates to the technical field of testing hydraulic components to be tested, and in particular to a hydraulic test bench. Background Art

[0002] A shield machine is a tunnel boring machine that uses the shield method. On the one hand, the service life of a shield machine is limited by the main bearings and cutterhead, requiring restorative remanufacturing after completing a project. The lifespan of the hydraulic components under test far exceeds this limit, but to ensure that subsequent use does not cause serious failures, each hydraulic component under test in the system must be tested. On the other hand, the requirements for shield machine parameters vary for different tunnels, necessitating retrofitting and upgrading of the shield machine. This allows the hydraulic components under test to be reused from older machines and also requires testing.

[0003] At present, the hydraulic components to be tested are tested using a dedicated comprehensive test bench. However, due to the limited space inside the test bench and the scattered and independent arrangement of the valve bodies of the control valve group, the disassembly and assembly of the control valve group is extremely inconvenient, which seriously affects the maintenance efficiency of the test bench. Summary of the Invention

[0004] The present disclosure aims to solve one of the technical problems in the related art at least to a certain extent.

[0005] To this end, an object of the present disclosure is to provide a hydraulic test bench.

[0006] To achieve the above-mentioned purpose, the present disclosure provides a hydraulic test bench, comprising: a test bench, the test bench being provided with a test platform, the test platform being used to arrange the hydraulic component to be tested; a hydraulic source, the hydraulic source being provided at the bottom of the test bench; a mounting platform, the mounting platform being detachably provided in the test bench, and the mounting platform being located above the hydraulic source; a control valve group, the control valve group being provided on the mounting platform, and the first fluid exchange end of the control valve group being detachably connected to the fluid exchange end of the hydraulic source, the second fluid exchange end of the control valve group being connected to the fluid exchange end of the hydraulic component to be tested, and the control valve group being used to control the fluid path between the hydraulic source and the hydraulic component to be tested.

[0007] Optionally, the mounting platform includes: a base frame, which is detachably arranged in the platform, and the base frame is located above the hydraulic source, and the base frame is provided with a hollow area; a plurality of mounting plates, which are arranged on the base frame, and the plurality of valve blocks of the control valve group are respectively detachably arranged on the plurality of mounting plates.

[0008] Optionally, the chassis includes: a first longitudinal beam and a second longitudinal beam, the first longitudinal beam and the second longitudinal beam are spaced apart, and the hollow area is formed between the first longitudinal beam and the second longitudinal beam, and the mounting plate is arranged on the first longitudinal beam and the second longitudinal beam.

[0009] Optionally, the installation platform further includes: a plurality of support beams, the support beams being arranged on the first longitudinal beam and the second longitudinal beam, and the plurality of support beams being distributed at intervals, and the plurality of installation plates being respectively arranged on the plurality of support beams.

[0010] Optionally, the mounting platform further includes an oil receiving pan, which is arranged in the hollow area and has a groove with an upward notch.

[0011] Optionally, the mounting platform further includes: a plurality of mounting ears, which are arranged on the base frame and distributed circumferentially along the base frame, and the mounting ears are provided with mounting holes; a plurality of bolts, the threaded portions of the bolts passing through the mounting holes and being threadedly connected to the frame, and the heads of the bolts abutting against the mounting ears.

[0012] Optionally, the mounting hole is a waist-shaped hole.

[0013] Optionally, the mounting plate is provided with a plurality of groups of threaded holes, and each group of threaded holes is used for mounting the valve block of corresponding size.

[0014] Optionally, the hydraulic source includes: a main oil tank, in which hydraulic oil is provided, and the liquid inlet end of the main oil tank is respectively connected to the discharge end of the control valve group and the liquid outlet end of the control valve group; a first motor pump group, in which the liquid outlet end of the first motor pump group is connected to the first liquid inlet end of the control valve group; a second motor pump group, in which the liquid outlet end of the second motor pump group is connected to the second liquid inlet end of the control valve group; wherein the main oil tank, the first motor pump group and the second motor pump group are respectively arranged in the test stand, and the mounting platform is located on one side of the main oil tank, and the mounting platform is located above the first motor pump group and the second motor pump group.

[0015] Optionally, the test platform is provided with a plurality of oil leakage holes, and the plurality of oil leakage holes are distributed in a matrix shape; the hydraulic source also includes: a recovery oil tank, a third motor pump group and a filter, the liquid inlet end of the recovery oil tank is connected to the oil leakage hole, the liquid inlet end of the third motor pump group is connected to the liquid outlet end of the recovery oil tank, the liquid inlet end of the filter is connected to the liquid outlet end of the third motor pump group, and the liquid outlet end of the filter is connected to the liquid inlet end of the main oil tank.

[0016] The technical solution provided by the present disclosure may have the following beneficial effects:

[0017] Since the first fluid exchange end of the control valve group and the fluid exchange end of the hydraulic source are detachably connected, and the second fluid exchange end of the control valve group and the fluid exchange end of the hydraulic component to be tested are connected, the control valve group can control the fluid path between the hydraulic source and the hydraulic component to be tested, thereby realizing various tests of the hydraulic component to be tested and meeting the use requirements. At the same time, since the mounting platform is detachably arranged in the test bench, and the control valve group is arranged on the mounting platform, the control valve group can utilize the mounting platform to realize centralized arrangement and overall disassembly and assembly in the test bench, thereby facilitating the replacement, maintenance and other operations of each valve body in the control valve group, thereby effectively improving the maintenance efficiency of the test bench, and at the same time, the integrated control valve group can also be utilized to realize "one unit for multiple uses", thereby effectively reducing the detection cost.

[0018] Additional aspects and advantages of the present disclosure will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present disclosure. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The above and / or additional aspects and advantages of the present disclosure will become apparent and readily understood from the following description of the embodiments in conjunction with the accompanying drawings, in which:

[0020] Figure 1 This is a schematic structural diagram of an installation platform in a hydraulic test bench according to an embodiment of the present disclosure;

[0021] Figure 2 1 is a schematic diagram of a front cross-section of a hydraulic test bench according to an embodiment of the present disclosure;

[0022] Figure 3 1 is a schematic top cross-sectional view of a hydraulic test bench according to an embodiment of the present disclosure;

[0023] As shown in the figure: 1. Test stand, 11. Test platform, 12. Oil leakage hole;

[0024] 2. Hydraulic source, 21. Main oil tank, 22. First motor pump group, 23. Second motor pump group, 24. Recovery oil tank, 25. Third motor pump group;

[0025] 3. Mounting platform, 31. First longitudinal beam, 32. Second longitudinal beam, 34. Mounting plate, 35. Support beam, 36. Oil pan, 37. Mounting ears, 38. Mounting holes;

[0026] 4. Control valve group, 41. Valve block. DETAILED DESCRIPTION

[0027] The following describes in detail embodiments of the present disclosure, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present disclosure and are not to be construed as limiting the present disclosure. On the contrary, the embodiments of the present disclosure include all variations, modifications, and equivalents that fall within the spirit and scope of the appended claims.

[0028] like Figure 1 、 Figure 2 and Figure 3 As shown, the embodiment of the present disclosure proposes a hydraulic test bench, including: a bench 1, a hydraulic source 2, a mounting platform 3 and a control valve group 4. The bench 1 is provided with a test platform 11, and the test platform 11 is used to arrange the hydraulic components to be tested. The hydraulic source 2 is arranged at the bottom of the bench 1, and the mounting platform 3 is detachably arranged in the bench 1, and the mounting platform 3 is located above the hydraulic source 2. The control valve group 4 is arranged on the mounting platform 3, and the first fluid exchange end of the control valve group 4 and the fluid exchange end of the hydraulic source 2 are detachably connected, and the second fluid exchange end of the control valve group 4 is connected to the fluid exchange end of the hydraulic component to be tested. The control valve group 4 is used to control the fluid path between the hydraulic source 2 and the hydraulic component to be tested.

[0029] It can be understood that since the first fluid exchange end of the control valve group 4 is detachably connected to the fluid exchange end of the hydraulic source 2, and the second fluid exchange end of the control valve group 4 is connected to the fluid exchange end of the hydraulic component to be tested, the control valve group 4 can control the fluid path between the hydraulic source 2 and the hydraulic component to be tested, thereby realizing various tests of the hydraulic component to be tested and meeting the use requirements. At the same time, since the mounting platform 3 is detachably arranged in the test bench 1, and the control valve group 4 is arranged on the mounting platform 3, the control valve group 4 can use the mounting platform 3 to realize centralized arrangement and overall disassembly and assembly in the test bench 1, thereby facilitating the replacement, maintenance and other operations of each valve body in the control valve group 4, thereby effectively improving the maintenance efficiency of the test bench, and at the same time, the integrated control valve group 4 can also be used to achieve "one machine for multiple uses", thereby effectively reducing the detection cost.

[0030] It should be noted that the test platform 1 is used to carry components such as the test platform 11, the hydraulic source 2, and the mounting platform 3. The specific type of the test platform 1 can be set according to actual needs and is not limited to this. For example, the test platform 1 can be a frame structure close to a rectangular parallelepiped, and multiple cover plates are arranged on the test platform 1 to form a relatively closed test cabin and equipment cabin. The test platform 11 is located in the test cabin, and the hydraulic source 2, the mounting platform 3, etc. are located in the equipment cabin.

[0031] The test platform 11 is used to carry the hydraulic components to be tested. The specific type of the test platform 11 can be set according to actual needs and is not limited to this. For example, the test platform 11 is a flat table structure, and the test platform 11 is located in a test cabin with a cabin door.

[0032] Hydraulic source 2 is used to supply pressurized oil to the hydraulic components under test and receive return oil. The specific type of hydraulic source 2 can be set according to actual needs and is not limited to this. In particular, since the mounting platform 3 is located above the hydraulic source 2, it can also facilitate the lifting of the hydraulic source 2 when the control valve group 4 is completely removed, thereby making the use of the test bench more flexible and convenient.

[0033] The installation platform 3 is used to carry the control valve group 4. The specific type of the installation platform 3 can be set according to actual needs and is not limited to this.

[0034] The control valve group 4 is used to control the fluid circuit between the hydraulic source 2 and the hydraulic component to be tested, so as to achieve the preset fluid circuit on-off, oil pressure, oil flow, oil temperature, oil cleanliness, etc., so as to meet the test requirements of the hydraulic component to be tested. The specific type of the control valve group 4 can be set according to actual needs and is not limited to this. For example, the control valve group 4 may include: switching valves, proportional flow valves, pressure relief valves, flow meters, pressure gauges and other devices, various pipelines for conducting oil, and various valve blocks 41 integrating multiple valve bodies. Among them, the first fluid exchange end of the control valve group 4 may include: a fluid inlet end for fluid inlet, a fluid outlet end for fluid return, a fluid discharge end for pressure relief, etc., and the first fluid exchange end of the control valve group 4 is connected to the fluid exchange end of the hydraulic source 2 by various quick connectors; the second fluid exchange end of the control valve group 4 may include: a fluid outlet end for fluid discharge, a fluid inlet end for fluid return, etc., and the second fluid exchange end of the control valve group 4 is connected to the fluid exchange end of the hydraulic element to be tested by various quick connectors, and the control valve group 4 and the hydraulic element to be tested can also be provided with a transition connection valve block 41, etc. to realize the transition of the oil circuit.

[0035] The hydraulic component to be tested may be a hydraulic valve, a hydraulic pump, a hydraulic motor, etc., without limitation.

[0036] like Figure 1 As shown, in some embodiments, the mounting platform 3 includes: a base frame and multiple mounting plates 34, the base frame is detachably arranged in the platform 1, and the base frame is located above the hydraulic source 2, the base frame is provided with a hollow area, the mounting plate 34 is arranged on the base frame, and the multiple valve blocks 41 of the control valve group 4 are respectively detachably arranged on the multiple mounting plates 34.

[0037] It can be understood that since the base frame is detachably arranged in the test bench 1 and the mounting plate 34 is arranged on the base frame, the multiple valve blocks 41 of the control valve group 4 are detachably arranged on the multiple mounting plates 34, so that the multiple valve blocks 41 of the control valve group 4 can be integrated on the base frame using the multiple mounting plates 34, thereby facilitating the overall centralized layout and disassembly and assembly, and further facilitating the replacement, maintenance and other operations of each valve body in the control valve group 4. At the same time, since the base frame is provided with a hollow area, the base frame has greater structural strength and lighter weight, thereby making the disassembly and assembly of the base frame more convenient. Moreover, since the base frame is located above the hydraulic source 2, the hydraulic source 2 can be easily hoisted after the base frame is removed from the test bench 1, thereby making the use of the test bench more flexible and convenient.

[0038] It should be noted that the chassis serves as the main supporting structure of the control valve group 4, which is used to carry components such as the mounting plate 34 and the control valve group 4. The specific type of the chassis can be set according to actual needs and is not limited to this.

[0039] The mounting plate 34 is used for the installation arrangement of the valve block 41 on the base frame. The specific type of the mounting plate 34 can be set according to actual needs and is not limited to this. For example, the mounting plate 34 can be a plate structure with a cross-section close to a rectangle, and the mounting plate 34 is welded to the base frame.

[0040] like Figure 1 As shown, in some embodiments, the chassis includes: a first longitudinal beam 31 and a second longitudinal beam 32, the first longitudinal beam 31 and the second longitudinal beam 32 are distributed at intervals, and a hollow area is formed between the first longitudinal beam 31 and the second longitudinal beam 32, and the mounting plate 34 is set on the first longitudinal beam 31 and the second longitudinal beam 32.

[0041] It can be understood that since the first longitudinal beam 31 and the second longitudinal beam 32 are distributed at intervals, and the mounting plate 34 is arranged on the first longitudinal beam 31 and the second longitudinal beam 32, the first longitudinal beam 31 and the second longitudinal beam 32 constitute the chassis of the frame structure, which not only can achieve strong supporting capacity and ensure the stable and centralized arrangement of the control valve group 4, but also ensures a lighter weight, thereby facilitating the disassembly and assembly operations of the control valve group 4.

[0042] It should be noted that the first longitudinal beam 31 and the second longitudinal beam 32 are used to form a longitudinal support structure of the chassis. The specific types of the first longitudinal beam 31 and the second longitudinal beam 32 can be set according to actual needs and are not limited thereto.

[0043] like Figure 1 As shown, in some embodiments, the mounting platform 3 further includes: a plurality of support beams 35 , the support beams 35 are arranged on the first longitudinal beam 31 and the second longitudinal beam 32 , and the plurality of support beams 35 are distributed at intervals, and a plurality of mounting plates 34 are respectively arranged on the plurality of support beams 35 .

[0044] It can be understood that since the support beam 35 is arranged on the first longitudinal beam 31 and the second longitudinal beam 32, and the multiple support beams 35 are distributed at intervals, the multiple mounting plates 34 are respectively arranged on the multiple support beams 35, so that the valve block 41 of the control valve group 4 can be horizontally distributed by utilizing the arrangement of the mounting plates 34 on the support beams 35, thereby ensuring the stable arrangement of the control valve group 4 while making full use of the horizontal space of the chassis, thereby achieving a smaller volume of the control valve group 4.

[0045] It should be noted that the support beam 35 is used to support the mounting plate 34 to realize the arrangement of the valve block 41 on the base frame. The specific type of the support beam 35 can be set according to actual needs and is not limited to this. For example, the support beam 35 is a beam-column structure, and the support beam 35 is arranged horizontally along the base frame.

[0046] like Figure 1 As shown, in some embodiments, the mounting platform 3 further includes: an oil receiving pan 36, which is disposed in the hollow area and has a groove with the notch facing upward.

[0047] It can be understood that since the oil receiving pan 36 is arranged in the hollow area and the oil receiving pan 36 is provided with a groove with the notch facing upward, the oil receiving pan 36 collects the oil leaked when the pipeline is disassembled, which not only avoids hygiene problems caused by the spillage of oil, but also protects the hydraulic source 2 below.

[0048] It should be noted that the oil collecting pan 36 is used to collect the oil leaked when the pipeline is disassembled. The specific type of the oil collecting pan 36 can be set according to actual needs and is not limited to this. For example, the oil collecting pan 36 is a disc-shaped structure and can be stuck in the hollow area. At the same time, the middle part of the oil collecting pan 36 can be provided with reinforcing ribs arranged along the longitudinal direction.

[0049] like Figure 1 As shown, in some embodiments, the mounting platform 3 further includes: a plurality of mounting ears 37 and a plurality of bolts (not shown in the figure), the mounting ears 37 are arranged on the base frame, and the plurality of mounting ears 37 are distributed along the circumference of the base frame, the mounting ears 37 are provided with mounting holes 38, the threaded portion of the bolt passes through the mounting hole 38 and is threadedly connected to the stand 1, and the head of the bolt abuts against the mounting ear 37.

[0050] It can be understood that since the mounting ear 37 is set on the base frame, and the threaded portion of the bolt passes through the mounting hole 38 on the mounting ear 37 and is threadedly connected to the stand 1, the head of the bolt abuts against the mounting ear 37, so that the base frame can be detachably arranged in the stand 1 by utilizing the cooperation of the bolt and the mounting ear 37, thereby ensuring convenient disassembly and assembly while ensuring the stable arrangement of the control valve group 4.

[0051] It should be noted that the mounting ears 37 are used for installing the base frame in the stand 1. The specific type of the mounting ears 37 can be set according to actual needs and is not limited to this. For example, the mounting ears 37 can be ear plate structures, and the mounting ears 37 are arranged at the four corners of the base frame.

[0052] In some embodiments, the mounting hole 38 is a waist-shaped hole.

[0053] It is understandable that, since the mounting hole 38 is a waist-shaped hole, the relative position between the base frame and the stand 1 can be adjusted, thereby making the assembly and disassembly of the base frame simpler and the use more convenient.

[0054] In some embodiments, the mounting plate 34 is provided with multiple groups of threaded holes, each group of threaded holes being used to mount a valve block 41 of corresponding size.

[0055] It can be understood that since the mounting plate 34 is provided with multiple groups of threaded holes, and each group of threaded holes is used to install the valve block 41 of the corresponding size, the mounting plate 34 can use the multiple groups of threaded holes to realize the installation of valve blocks 41 of different sizes, thereby making the use of the control valve group 4 more flexible and convenient.

[0056] It should be noted that each group of threaded holes has the same size specifications, and each group corresponds to a valve block 41 of different specifications. During installation, the corresponding threaded holes are selected according to the corresponding valve block 41 to achieve an integrated arrangement of the control valve group 4.

[0057] like Figure 2 and Figure 3 As shown, in some embodiments, the hydraulic source 2 includes: a main oil tank 21, a first motor pump group 22, and a second motor pump group 23. The main oil tank 21 is filled with hydraulic oil, and the liquid inlet of the main oil tank 21 is respectively connected to the liquid discharge end and the liquid outlet end of the control valve group 4, the liquid outlet end of the first motor pump group 22 is connected to the first liquid inlet end of the control valve group 4, and the liquid outlet end of the second motor pump group 23 is connected to the second liquid inlet end of the control valve group 4. The main oil tank 21, the first motor pump group 22, and the second motor pump group 23 are respectively arranged in the platform 1, and the mounting platform 3 is located on one side of the main oil tank 21 and above the first motor pump group 22 and the second motor pump group 23.

[0058] It can be understood that since the liquid outlet end of the first motor pump group 22 is connected to the first liquid inlet end of the control valve group 4, and the liquid outlet end of the second motor pump group 23 is connected to the second liquid inlet end of the control valve group 4, the first motor pump group 22 and the second motor pump group 23 can respectively transport the oil in the main oil tank 21 to the control valve group 4, and use the control valve group 4 to realize the oil supply of the hydraulic element to be tested. At the same time, since the liquid inlet end of the main oil tank 21 is respectively connected to the drain end of the control valve group 4 and the liquid outlet end of the control valve group 4, the leaked oil of the hydraulic element to be tested and the oil returned through the control valve group 4 can flow back to the main oil tank 21, thereby ensuring that the circuit of the hydraulic element to be tested is unobstructed.

[0059] Since the mounting platform 3 is located on one side of the main oil tank 21 and the mounting platform 3 is located above the first motor pump group 22 and the second motor pump group 23, the mounting platform 3 can be removed from the test bench 1 to facilitate the lifting of the first motor pump group 22 and the second motor pump group 23, thereby making the use of the test bench more flexible and convenient.

[0060] It should be noted that the main oil tank 21 is used to store hydraulic oil. The specific type of the main oil tank 21 can be set according to actual needs and is not limited to this. For example, the main oil tank 21 can be a box structure.

[0061] The first motor pump group 22 and the second motor pump group 23 are used to pump oil. The specific types of the first motor pump group 22 and the second motor pump group 23 can be set according to actual needs and are not limited thereto.

[0062] like Figure 2 and Figure 3 As shown, in some embodiments, the test platform 11 is provided with a plurality of oil leakage holes 12, and the plurality of oil leakage holes 12 are distributed in a matrix shape; the hydraulic source 2 also includes: a recovery oil tank 24, a third motor pump group 25 and a filter (not shown in the figure), the liquid inlet end of the recovery oil tank 24 is connected to the oil leakage hole 12, the liquid inlet end of the third motor pump group 25 is connected to the liquid outlet end of the recovery oil tank 24, the liquid inlet end of the filter is connected to the liquid outlet end of the third motor pump group 25, and the liquid outlet end of the filter is connected to the liquid inlet end of the main oil tank 21.

[0063] It is understandable that, since multiple oil leakage holes 12 are provided on the test platform 11, the oil leaked during assembly and disassembly of the hydraulic component to be tested can flow out through the oil leakage holes 12. At the same time, since the inlet end of the recovery oil tank 24 is connected to the oil leakage hole 12, and the inlet end of the third motor pump group 25 is connected to the outlet end of the recovery oil tank 24, the inlet end of the filter is connected to the outlet end of the third motor pump group 25, and the outlet end of the filter is connected to the inlet end of the main oil tank 21, the recovery oil tank 24 can collect the oil flowing out of the oil leakage hole 12, and at the same time, the oil is recovered by the pumping of the third motor pump group 25 and the filtration of the filter. Thus, the cooperation of the oil leakage holes 12, the recovery oil tank 24, the third motor pump group 25 and the filter can avoid spillage and waste of oil.

[0064] It should be noted that the recovery oil tank 24 is used to store the hydraulic oil leaked when the hydraulic components to be tested are disassembled and assembled. The specific type of the recovery oil tank 24 can be set according to actual needs and is not limited to this. For example, the recovery oil tank 24 can be a box structure. The recovery oil tank 24 is located below the mounting platform 3, and the recovery oil tank 24 is indirectly connected to the oil leakage hole 12 using the oil pan below the oil leakage hole.

[0065] The third motor pump group 25 is used to pump oil. The specific type of the third motor pump group 25 can be set according to actual needs and is not limited to this.

[0066] The filter is used to filter the oil. The specific type of the filter can be set according to actual needs and there is no restriction on this.

[0067] Among them, the hydraulic source 2 can also include: radiators and other devices. Specifically, the liquid inlet end of the radiator is connected to the liquid outlet end of the control valve group 4, and the liquid outlet end of the radiator is connected to the liquid inlet end of the main oil tank 21, and the radiator is used to achieve heat dissipation of the hydraulic oil.

[0068] In the description of the present disclosure, the terms "first", "second", etc. are used for descriptive purposes only and should not be understood as indicating or implying relative importance. In addition, in the description of the present disclosure, unless otherwise specified, the meaning of "plurality" is two or more.

[0069] Any process or method description in a flowchart or otherwise described herein may be understood to represent a module, segment or portion of code that includes one or more executable instructions for implementing the steps of a specific logical function or process, and the scope of the preferred embodiments of the present disclosure includes additional implementations in which functions may be performed out of the order shown or discussed, including performing functions in a substantially simultaneous manner or in the reverse order depending on the functions involved, which should be understood by those skilled in the art to which the embodiments of the present disclosure belong.

[0070] Throughout this specification, reference to terms such as "one embodiment," "some embodiments," "examples," "specific examples," or "some examples" means that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0071] Although the embodiments of the present disclosure have been shown and described above, it is understood that the above embodiments are illustrative and are not to be construed as limitations on the present disclosure. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present disclosure.

Claims

1. A hydraulic test bench, characterized in that: include: A test bench is provided with a test platform for arranging the hydraulic components to be tested; a hydraulic source, the hydraulic source being disposed at the bottom of the platform; a mounting platform, the mounting platform being detachably disposed in the stand and located above the hydraulic source; A control valve group is arranged on the mounting platform, and the first fluid exchange end of the control valve group is detachably connected to the fluid exchange end of the hydraulic source, the second fluid exchange end of the control valve group is connected to the fluid exchange end of the hydraulic element to be tested, and the control valve group is used to control the fluid path between the hydraulic source and the hydraulic element to be tested.

2. The hydraulic test bench according to claim 1, characterized in that: The installation platform includes: A base frame, the base frame being detachably disposed in the platform, the base frame being located above the hydraulic source, and the base frame being provided with a hollow area; A plurality of mounting plates are provided on the base frame, and a plurality of valve blocks of the control valve group are detachably provided on the plurality of mounting plates.

3. The hydraulic test bench according to claim 2, characterized in that: The chassis comprises: A first longitudinal beam and a second longitudinal beam are arranged at intervals, and the hollow area is formed between the first longitudinal beam and the second longitudinal beam, and the mounting plate is arranged on the first longitudinal beam and the second longitudinal beam.

4. The hydraulic test bench according to claim 3, characterized in that: The installation platform also includes: A plurality of support beams are provided on the first longitudinal beam and the second longitudinal beam, and the plurality of support beams are distributed at intervals, and the plurality of mounting plates are respectively provided on the plurality of support beams.

5. The hydraulic test bench according to claim 2, characterized in that: The installation platform also includes: An oil receiving pan is arranged in the hollow area and is provided with a groove with an upward notch.

6. The hydraulic test bench according to claim 2, characterized in that: The installation platform also includes: A plurality of mounting ears, wherein the mounting ears are arranged on the base frame and distributed along the circumference of the base frame, and the mounting ears are provided with mounting holes; A plurality of bolts are provided, wherein the threaded portions of the bolts pass through the mounting holes and are threadably connected to the stand, and the heads of the bolts abut against the mounting ears.

7. The hydraulic test bench according to claim 6, characterized in that: The mounting hole is a waist-shaped hole.

8. The hydraulic test bench according to claim 2, characterized in that: The mounting plate is provided with a plurality of groups of threaded holes, and each group of threaded holes is used for mounting the valve block of corresponding size.

9. The hydraulic test bench according to claim 1, characterized in that: The hydraulic source includes: A main oil tank, wherein hydraulic oil is provided in the main oil tank, and a liquid inlet end of the main oil tank is connected to a liquid discharge end of the control valve group and a liquid outlet end of the control valve group respectively; a first motor pump group, wherein a liquid outlet end of the first motor pump group is connected to a first liquid inlet end of the control valve group; a second motor pump group, wherein a liquid outlet end of the second motor pump group is connected to a second liquid inlet end of the control valve group; Wherein, the main oil tank, the first motor pump group and the second motor pump group are respectively arranged in the platform, and the mounting platform is located on one side of the main oil tank, and the mounting platform is located above the first motor pump group and the second motor pump group.

10. The hydraulic test bench according to claim 9, characterized in that: The test platform is provided with a plurality of oil leakage holes, and the plurality of oil leakage holes are distributed in a matrix shape; The hydraulic source also includes: a recovery oil tank, a third motor pump group and a filter, the liquid inlet end of the recovery oil tank is connected to the oil leakage hole, the liquid inlet end of the third motor pump group is connected to the liquid outlet end of the recovery oil tank, the liquid inlet end of the filter is connected to the liquid outlet end of the third motor pump group, and the liquid outlet end of the filter is connected to the liquid inlet end of the main oil tank.

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