Assembled hydraulic characteristic test bed

Abstract

The utility model discloses an assembly type hydraulic characteristic test bench, which comprises an experiment box, an experiment pedestal and an electric lifting mechanism, the inner top of the experiment pedestal is provided with a plurality of groups of placing clamping grooves, the inner bottoms of the plurality of groups of placing clamping grooves are in sliding clamping connection with support top plates, the bottom ends of the support top plates are symmetrically connected with extrusion push rods, and the extrusion push rods are in sliding clamping connection with the support top plates. The outer side of the extrusion push rod is sleeved with a spring, the bottom extending end of the extrusion push rod is connected with a sensing sliding block, a pressure sensing detection table is installed at the inner bottom of the experiment table base, a plurality of sets of sensing empty grooves are evenly formed in the pressure sensing detection table, and a hydraulic guide pressure box is arranged in the experiment box; the beneficial effects of the utility model are that through the integrated extrusion impact compression resistance test and the integrated multi-group compression liquid injection hydraulic test structure, the detection cost is reduced, the detection diversity is improved, the manual operation is reduced, and the use convenience and the test efficiency are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to liquid pressure test technical field, concretely is a kind of assembled hydraulic characteristic test bench. BACKGROUND

[0002] In order to test the equipment of the performance of hydraulic element, such as the performance test of hydraulic pump, hydraulic motor, hydraulic valve, hydraulic cylinder and other hydraulic elements, special hydraulic characteristic test bench is needed for test detection, to ensure the stable and reliable performance of these components under various working conditions.

[0003] The existing hydraulic characteristic test bench still has some problems when in use, first, the existing hydraulic characteristic test bench generally detects single when testing the measured element, especially the liquid injection pressure measurement and compression resistance test, which need to be carried out in turn by special mechanism, not only high cost, test is more inconvenient, efficiency is also lower, second, especially when testing hydraulic data by liquid injection, it needs to be operated and tested frequently by single artificial, and the overall use effect is low.

[0004] Therefore, we propose an assembled hydraulic characteristic test bench to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving one of the technical problems existing in prior art or related art.

[0006] Therefore, the technical scheme adopted by the utility model is as follows:

[0007] An assembled hydraulic characteristic test bench, comprising an experiment box, an experiment base and an electric lifting mechanism, a plurality of placement clamping grooves are formed in the inner top of the experiment base, a support top plate is slidably connected to the inner bottom of each of the plurality of placement clamping grooves, an extrusion push rod is symmetrically connected to the bottom end of the support top plate, a spring is sleeved on the outer side of the extrusion push rod, a sensing sliding block is connected to the bottom extension end of the extrusion push rod, a pressure sensing detection table is installed on the inner bottom of the experiment base, a plurality of sensing grooves are uniformly formed in the inside of the pressure sensing detection table, a liquid guide pressure tank is arranged in the inside of the experiment box, a plurality of stamping sleeve plates are installed at the positions corresponding to the plurality of placement clamping grooves at the bottom end of the liquid guide pressure tank, a first compression liquid guide pipe is installed in the middle of each of the plurality of stamping sleeve plates, and a liquid injection pressure measuring connector is connected to the bottom end of the first compression liquid guide pipe.

[0008] In a preferred example, the utility model can be further configured as follows:

[0009] By adopting the above technical scheme, a liquid injection guide pipe is installed through the middle of the top end of the experiment box, a second compression liquid guide pipe is installed and communicated between the inner bottom of the experiment box and the middle of the top end of the liquid guide pressure tank, and the experiment box is installed on the top end of the experiment base.

[0010] The utility model discloses in a preferable example can be further configured as:

[0011] Through adopting above technical scheme, the electric lifting mechanism is installed to the inner top end both sides of experiment box, and the output end of electric lifting mechanism is connected with the top end of liquid guide pressure tank.

[0012] The utility model discloses in a preferable example can be further configured as:

[0013] Through adopting above technical scheme, the sensing sliding block slidingly and tightly clamped on the inner side of sensing air slot, and the bottom extension end of extrusion push rod is penetrated and clamped in the inside of experiment base.

[0014] The utility model discloses in a preferable example can be further configured as:

[0015] Through adopting above technical scheme, the top side of the top of the plurality of placement card slots is close to the outside of the top of the to-be-measured hydraulic element and is embedded and installed with elastic clamping pad, and the inside of the experiment box is symmetrically provided with limiting sliding groove on both sides, and the both sides of the liquid guide pressure tank are clamped in the inside of limiting sliding groove through the sliding.

[0016] The utility model discloses in a preferable example can be further configured as:

[0017] Through adopting above technical scheme, the liquid guide pressure tank is communicated with the to-be-measured hydraulic element through the first compression liquid guide pipe, and the bottom end of the liquid injection pressure measuring connector is connected and communicated with the top end of the to-be-measured hydraulic element.

[0018] The utility model discloses in a preferable example can be further configured as:

[0019] Through adopting above technical scheme, the front end of the plurality of placement card slots is installed with pull door plate on the outside of experiment base, and the front end of the plurality of stamping sleeve plates is provided with operation hole on the outside of experiment box.

[0020] Through adopting above technical scheme, the utility model has obtained the beneficial effects that:

[0021] 1. Through the up-down movement of the liquid guide pressure tank, the stamping sleeve plate cooperates with the supporting top plate to impact the to-be-measured hydraulic element through the spring in two directions, the pressure sensing detection table inside the sensing sliding block detects the pressure resistance degree of the sensing air slot, and the activity of the liquid guide pressure tank also injects the liquid into the to-be-measured hydraulic element through the first compression liquid guide pipe to carry out hydraulic test, improves the diversity of detection, reduces the test cost, and improves the use convenience and test efficiency.

[0022] 2. The utility model discloses a plurality of to be measured hydraulic components are placed into the inside of multiple groups of placing clamping grooves, and through liquid injection pressure connector and first compression liquid guide pipe, to be measured hydraulic components are communicated with liquid guide pressure tank, and the liquid is injected into multiple groups of to be measured hydraulic components through the up and down movement of liquid guide pressure tank, so that the artificial operation step is reduced, the use is convenient, and the use effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the front view structural schematic diagram of an embodiment of the utility model;

[0024] Figure 2 It is the front view cross section schematic diagram of an embodiment of the utility model;

[0025] Figure 3 It is the A place schematic diagram of an embodiment of the utility model.

[0026] Reference signs:

[0027] 1, experiment box;2, experiment base;3, operation hole;4, liquid guide pressure tank;5, punch cover plate;6, liquid injection pressure connector;7, liquid injection guide pipe;8, to be measured hydraulic component;9, electric lifting mechanism;10, pressure sensor detection table;11, first compression liquid guide pipe;12, limit sliding groove;13, second compression liquid guide pipe;14, sensing sliding block;15, sensing air slot;16, placing clamping groove;17, extrusion push rod;18, support top plate;19, spring;20, sliding door plate;21, elastic clamping pad. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantage of the utility model more clear and apparent, below, combining with specific implementation manner and referring to drawings, the utility model is further explained in detail.It is to be explained that, in the case of not conflicting, the embodiment of the utility model and the feature in the embodiment can be combined mutually.

[0029] It is understood that these descriptions are only exemplary, and not to limit the scope of the utility model.

[0030] Below, combining with the drawings, the utility model of some embodiments provides an assembled hydraulic characteristic test bench.

[0031] Embodiment one:

[0032] Combining Figures 1-3 As shown in the figure, the utility model provides an assembled hydraulic characteristic test bench,

[0033] Specific, including experimental box 1, experimental seat 2 and electric lifting mechanism 9, electric lifting mechanism 9 is electric telescopic rod, can be telescopic and drive liquid pressure tank 4 up and down, the inner top of experimental seat 2 is provided with a plurality of placing clamping grooves 16, the inner bottom of a plurality of placing clamping grooves 16 is slidably connected with support top plate 18, support top plate 18 is mainly to support the bottom of the hydraulic element 8 to be measured, and when receiving the extrusion impact of the punch cover plate 5 on the hydraulic element 8 to be measured, the bottom of the hydraulic element 8 to be measured is also impacted by the spring 19 outside the extrusion push rod 17, the bottom end of the support top plate 18 is symmetrically connected with the extrusion push rod 17, the extrusion push rod 17 is convenient for sleeving the spring 19, and also facilitates the up and down movement of the sensing sliding block 14 when receiving extrusion, the extrusion push rod 17 is sleeved with the spring 19 outside, the bottom of the extrusion push rod 17 is connected with the sensing sliding block 14, the inner bottom of the experimental seat 2 is provided with a pressure sensing detection table 10, the pressure sensing detection table 10 is a special pressure sensor mechanism, the sensing air slot 15 is provided in the inside and is in sensing fit with the sensing sliding block 14, so that the strength fluctuation of the extrusion is felt in the up and down sliding of the sensing sliding block 14, and the extrusion force received by the hydraulic element 8 to be measured is detected, whether there is damage is checked, the compression resistance data is obtained, a plurality of sensing air slots 15 are uniformly provided in the inside of the pressure sensing detection table 10, the sensing air slot 15 is mainly convenient for the sliding of the sensing sliding block 14, the inside of the experimental box 1 is provided with the liquid guide pressure tank 4, a plurality of punch cover plates 5 are installed at the bottom end of the liquid guide pressure tank 4 and the corresponding position of a plurality of placing clamping grooves 16, the punch cover plate 5 is annular columnar in shape, the middle part is mainly convenient for the installation and connection of the first compression liquid guide pipe 11, a plurality of punch cover plates 5 are installed with the first compression liquid guide pipe 11, the first compression liquid guide pipe 11 is a compression air bag pipe, which can be directly tightened and loosened under pressure, and can be elongated and shortened, which is convenient for the movement of the liquid guide pressure tank 4 and the injection of liquid, the bottom end of the first compression liquid guide pipe 11 is connected with the liquid injection pressure measuring connector 6, the outside of the front end of the liquid injection pressure measuring connector 6 is installed with a scale dial that can display pressure fluctuation, which can be observed at any time to observe the hydraulic condition, compare a plurality of data, improve the hydraulic detection effect, the bottom of the liquid injection pressure measuring connector 6 is connected with the top extension end of the hydraulic element 8 to be measured, the top end of the experimental box 1 is installed with a liquid injection guide pipe 7, the liquid injection guide pipe 7 is mainly convenient for injecting liquid into the inside of the liquid guide pressure tank 4 through the second compression liquid guide pipe 13, the liquid injection guide pipe 7 is installed and communicated with the second compression liquid guide pipe 13 between the inner bottom of the experimental box 1 and the top end of the liquid guide pressure tank 4, the experimental box 1 is installed on the top end of the experimental seat 2, the electric lifting mechanism 9 is installed on the inner top of the experimental box 1, the output end of the electric lifting mechanism 9 is connected with the top end of the liquid guide pressure tank 4, the sensing sliding block 14 is slidably connected with the inside of the sensing air slot 15, the bottom extension end of the extrusion push rod 17 is connected with the inside of the experimental seat 2, the top side of a plurality of placing clamping grooves 16 is embedded and installed with elastic clamping pad 21 near the top outside of the hydraulic element 8 to be measured,The elastic clamping pad 21 is mainly used for elastically clamping the top side of the to-be-tested hydraulic element 8 to prevent position deviation, and the stamping effect is poor.

[0034] Embodiment two:

[0035] In combination Figure 2 with the embodiment one,

[0036] Specifically, the liquid guide pressure tank 4 is communicated with the to-be-tested hydraulic element 8 through the first compression liquid guide pipe 11, the compression liquid injection structure passing through the first compression liquid guide pipe 11 injects the liquid in the liquid guide pressure tank 4 into the interiors of the plurality of to-be-tested hydraulic elements 8 respectively, and the liquid pressure degree of liquid circulation is observed through the external scale respectively, and has a certain comparison effect, and the bottom end of the liquid injection pressure measuring connector 6 is sleeved with the top end connecting and communicating part of the to-be-tested hydraulic element 8.

[0037] In combination Figure 1 with the above embodiment, Figure 2 in the above embodiment,

[0038] Specifically, the front end of the plurality of placement clamping grooves 16 is provided with a pull door plate 20 outside the experimental bench 2, the pull door plate 20 is mainly used for placing the plurality of to-be-tested hydraulic elements 8 in the interiors of the plurality of placement clamping grooves 16 after being opened, and the front end of the plurality of stamping sleeve plates 5 is provided with an operation hole 3 outside the experimental box 1, and the operation hole 3 is mainly used for conveniently observing the pressure scale dialing condition of the outside of the liquid injection pressure measuring connector 6 during pressure measurement.

[0039] The working principle and use process of the utility model are as follows: firstly, during use, the plurality of to-be-tested hydraulic elements 8 are respectively placed in the interiors of the plurality of placement clamping grooves 16, and the liquid injection pressure measuring connector 6 is connected with the top end connector of the to-be-tested hydraulic element 8, so that the liquid guide pressure tank 4 is communicated with the to-be-tested hydraulic element 8 through the first compression liquid guide pipe 11, the output end drives the up-down movement of the liquid guide pressure tank 4 through the operation of the electric lifting mechanism 9, and the liquid injection guide pipe 7 and the second compression liquid guide pipe 13 guide the liquid in the liquid guide pressure tank 4, the liquid is injected into the interior of the to-be-tested hydraulic element 8 through the first compression liquid guide pipe 11, and the data dialing of the liquid pressure is detected through the liquid injection pressure measuring connector 6, and secondly, the plurality of stamping sleeve plates 5 are close to and extruded to the top end side of the to-be-tested hydraulic element 8 through the continuous up-down movement of the above liquid guide pressure tank 4, and the support top plate 18 at the bottom of the placement clamping groove 16 is also reversely extruded to the bottom of the to-be-tested hydraulic element 8 through the elastic effect of the spring 19, so that the extrusion push rod 17 is also extruded and drives the sensing sliding block 14 to slide and dial in the sensing air slot 15 inside the pressure sensing detection table 10, and the extrusion degree is detected.

[0040] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. An assembled hydraulic characteristic test bench comprising an experiment box (1), an experiment base (2) and an electric lifting mechanism (9), characterized in that, The inner top of the experiment base (2) is provided with a plurality of groups of placing clamping grooves (16), the inner bottom of each of the plurality of groups of placing clamping grooves (16) is slidably connected with a supporting top plate (18), the bottom end of the supporting top plate (18) is symmetrically connected with an extrusion push rod (17), the outer side of the extrusion push rod (17) is provided with a spring (19), the bottom extension end of the extrusion push rod (17) is connected with a sensing sliding block (14), the inner bottom of the experiment base (2) is provided with a pressure sensing detection table (10), the inside of the pressure sensing detection table (10) is uniformly provided with a plurality of groups of sensing grooves (15), the inside of the experiment box (1) is provided with a liquid guide pressure tank (4), the bottom end of the liquid guide pressure tank (4) is provided with a plurality of groups of stamping sleeve plates (5) at positions corresponding to the plurality of groups of placing clamping grooves (16), the middle part of each of the plurality of groups of stamping sleeve plates (5) is provided with a first compression liquid guide pipe (11), and the bottom end of the first compression liquid guide pipe (11) is connected with a liquid injection pressure measuring connector (6).

2. The assembled hydraulic characteristic test bench according to claim 1, characterized in that, The top middle part of the experiment box (1) is provided with a liquid injection guide pipe (7), the liquid injection guide pipe (7) is installed and communicated between the inner bottom of the experiment box (1) and the top middle part of the liquid guide pressure tank (4), and the experiment box (1) is installed at the top of the experiment base (2).

3. The assembled hydraulic characteristic test bench according to claim 1, characterized in that, The electric lifting mechanism (9) is installed at the inner top of the experiment box (1), and the output end of the electric lifting mechanism (9) is connected with the top end of the liquid guide pressure tank (4).

4. The assembled hydraulic characteristic test bench according to claim 1, characterized in that, The sensing sliding block (14) is slidably and tightly connected to the inner side of the sensing groove (15), and the bottom extension end of the extrusion push rod (17) penetrates and movably connects the inside of the experiment base (2).

5. The assembled hydraulic characteristic test bench according to claim 1, characterized in that, The top side of each of the plurality of groups of placing clamping grooves (16) is provided, close to the top outer side of the to-be-measured hydraulic element (8), with an elastic clamping pad (21), the inside of the experiment box (1) is symmetrically provided with a limiting sliding groove (12) on the two side faces, and the two side extension ends of the liquid guide pressure tank (4) are slidably connected to the inner side of the limiting sliding groove (12).

6. The assembled hydraulic characteristic test bench according to claim 1, characterized in that, The liquid guide pressure tank (4) is communicated with the to-be-measured hydraulic element (8) through the first compression liquid guide pipe (11), and the bottom end of the liquid injection pressure measuring connector (6) is connected and communicated with the top end of the to-be-measured hydraulic element (8).

7. The assembled hydraulic characteristic test bench according to claim 1, characterized in that, The front end of each of the plurality of groups of placing clamping grooves (16) is provided, outside the experiment base (2), with a pull door plate (20), and the front end of each of the plurality of groups of stamping sleeve plates (5) is provided, outside the experiment box (1), with an operation hole (3).

Images