CN211469929U

CN211469929U - Pressure test board for large oil cylinder

Info

Publication number: CN211469929U
Application number: CN201922068789.5U
Authority: CN
Inventors: 唐红琼; 龙泽华; 龙轶
Original assignee: Sichuan Ruigong Heavy Hydraulic Parts Factory
Current assignee: Sichuan Ruigong Heavy Hydraulic Parts Factory
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-09-11
Anticipated expiration: 2029-11-26

Abstract

The utility model discloses a large-scale pressure test platform for hydro-cylinder. The device comprises a main frame and an auxiliary frame, wherein slide rails are symmetrically arranged on two sides of the main frame, a positioning block is further arranged at one end part of the main frame, a mounting plate is further included, a supporting seat is arranged on the mounting plate, an oil cylinder to be tested is arranged on the mounting plate through the supporting seat, rollers matched with the slide rails on the main frame are further symmetrically arranged on the lower surface of the mounting plate, the mounting plate is movably connected to the main frame through the rollers, and one end of the oil cylinder to be tested is fixed; the auxiliary frame is further provided with an oil discharge pressing block, the side edge of the main frame is further provided with an auxiliary fixing structure, the auxiliary fixing structure comprises a first support, a second support, two auxiliary hydraulic rods and a pressing belt, the upper ends of the two auxiliary hydraulic rods are fixed on the second support, and the lower ends of the two auxiliary hydraulic rods are connected with the two ends of the pressing belt. The utility model discloses the commonality is strong, is fit for not unidimensional hydro-cylinder, and the hydro-cylinder is fixed firm.

Description

Pressure test board for large oil cylinder

Technical Field

The utility model relates to an operation instrument field, concretely relates to large-scale pressure test platform for hydro-cylinder.

Background

The hydraulic system has the advantages that the oil cylinder is the hydraulic oil cylinder, the hydraulic oil cylinder is used as one of the executing elements of the hydraulic system, the reliability of the hydraulic system is directly determined by the advantages and disadvantages of the performance of the hydraulic oil cylinder, and the normal operation and maintenance of equipment are influenced, so that the technical requirements and safety factor requirements on the hydraulic oil cylinder are very high, and whether the performance of the hydraulic oil cylinder can meet the technical requirements needs to be detected through the test bench. The performance detection of the hydraulic oil cylinder before leaving a factory is an important link in the production process of the hydraulic oil cylinder, the hydraulic oil cylinder is required to be subjected to repeated pressure test for better long-time use and achieving a better use effect, the overhaul cost of equipment is reduced, the automation degree of the test bench is high and low, the labor intensity of workers is reduced, and the production efficiency is improved.

Disclosure of Invention

The utility model aims to provide a: the pressure test bench for the large oil cylinder is provided to solve the problems that the large oil cylinder is moved to the test bench and is difficult to fix.

The utility model adopts the technical scheme as follows:

the pressure test board for the large-scale oil cylinder comprises a main frame and an auxiliary frame, wherein slide rails are symmetrically arranged on two sides of the main frame, a positioning block is further arranged at one end part of the main frame, a mounting plate is further arranged, a supporting seat is arranged on the mounting plate, the oil cylinder to be tested is arranged on the mounting plate through the supporting seat, rollers matched with the slide rails on the main frame are further symmetrically arranged on the lower surface of the mounting plate, the mounting plate is movably connected to the main frame through the rollers, and one end of the oil cylinder to be tested is; an oil discharge press block is further arranged on the auxiliary rack, the oil discharge press block can slide along the moving direction of the piston of the oil cylinder to be tested, and the other end of the oil cylinder to be tested is connected with the upper end of the oil discharge press block; the oil discharge device is characterized by also comprising an oil discharge cylinder, wherein the oil discharge cylinder is fixed on the main rack and is positioned at the bottom of the mounting plate, and the end part of the oil discharge cylinder is connected with the lower end of the oil discharge pressing block; the side of main frame still installs supplementary fixed knot and constructs, and this supplementary fixed knot constructs including first support, second support, two supplementary hydraulic stem and presses the area, and on two supplementary hydraulic stem upper ends all were fixed in the second support, the both ends of pressing the area were connected to the lower extreme of two supplementary hydraulic stem, press the area and be located the hydro-cylinder top of awaiting measuring and through two supplementary hydraulic stem extensions in order to compress tightly the hydro-cylinder of awaiting measuring.

For large oil cylinders, the large oil cylinders are mostly hung on a test board when moving to the test board, the oil cylinders are placed at fixed positions of the test board, the operation process is complicated, in the utility model, the oil cylinders to be tested are placed on a support seat which is fixed on a mounting plate, namely, the oil cylinders to be tested are supported on the mounting plate through the support seat, rollers are arranged on the lower surface of the mounting plate, the rollers are symmetrically arranged at two sides of the lower surface of the mounting plate in a one-to-one correspondence manner, the oil cylinders to be tested can move to the vicinity of a main frame through the rollers, the rollers are introduced into a slide rail through related existing auxiliary tools, one end of the oil cylinders to be tested is fixed with a positioning block on the main frame, after the oil cylinders to be tested are moved to the main frame, an auxiliary fixing structure is arranged at the side of the main frame, the auxiliary fixing structure comprises a first, the oil cylinder to be tested is tightly leaned on the supporting seat, the pressing belt has flexibility, the oil cylinders of different sizes and different shapes are fixed, the oil discharge pressing block is pulled to move through the stretching of the oil discharge cylinder, hydraulic oil in the oil cylinder to be tested is discharged, the piston of the oil cylinder to be tested returns to the original position, after the test is completed, the pressing belt is pulled up through the contraction of the two auxiliary hydraulic rods to loosen the oil cylinder to be tested, and then the oil cylinder to be tested and the mounting plate can be taken out from the main frame.

Further, the supporting seat upper surface is provided with an arc-shaped limiting notch structure, and the arc-shaped limiting notch structure can clamp the oil cylinder to be tested. By adopting the structure, the supporting seat of the arc-shaped limiting notch structure enables the oil cylinder to be tested to be limited and arranged in the arc-shaped limiting notch structure, and the oil cylinders to be tested with different cylinder diameters can be placed.

Furthermore, the test device also comprises a supporting cushion block which is arranged in the middle of the supporting seat and used for supporting the oil cylinder to be tested. By adopting the structure, the supporting cushion block and the auxiliary fixing structure correspond to fix the oil cylinder to be tested, so that the pressure test of the oil cylinder to be tested is facilitated.

Furthermore, the first support is connected with the main frame in a sliding mode and can move back and forth along the direction of the sliding rail. By adopting the structure, the pressing belt is suitable for oil cylinders with different lengths, and the position of the pressing belt is adjusted by moving the first bracket on the main frame, so that the pressing belt is fixed at the middle position of the oil cylinder to be tested.

Further, the first bracket is perpendicular to the second bracket, and the first bracket and the second bracket are rotatably connected. The second support is connected with the first support in a rotating mode, when the auxiliary fixing structure is not used, the second support can be turned to the side edge of the main frame, and the fact that the oil cylinder to be tested moves towards the main frame is not affected.

Furthermore, the two auxiliary hydraulic rods are symmetrically arranged on two sides of the oil cylinder to be tested and extend or contract simultaneously.

To sum up, owing to adopted this technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses a large-scale pressure test platform for hydro-cylinder places on the mounting panel of taking the supporting seat through the hydro-cylinder that will await measuring to the symmetry is provided with the gyro wheel that matches with the main frame slide rail under the mounting panel, is convenient for remove the transport of large-scale hydro-cylinder to the pressure test place, and moves the gyro wheel of mounting panel to the slide rail of main frame in through current relevant appurtenance.

2. The utility model discloses a large-scale pressure test platform for hydro-cylinder moves down through two supplementary hydraulic stem drive pistons and makes to press the area to hug closely and compress tightly the examination hydro-cylinder that awaits measuring, and the examination hydro-cylinder that awaits measuring is tightly leaned on the supporting seat, presses the area to have the compliance, and it is fixed to satisfy the hydro-cylinder of unidimensional and different shapes, will await measuring the hydro-cylinder fastening of examining on the supporting.

3. The utility model discloses a large-scale pressure test platform for hydro-cylinder through first support and main frame sliding connection for supplementary fixed knot constructs wholly can follow slide rail direction round trip movement, the adjustment position, so that the area is pressed and is fixed in the middle part position of the hydro-cylinder that awaits measuring, is applicable to the hydro-cylinder of different length, and the lip block corresponds, makes the hydro-cylinder that awaits measuring to fix more firm.

4. The utility model discloses a large-scale pressure test platform for hydro-cylinder rotates through second support and first support to be connected, can turn to the side of main frame with the second support before the examination hydro-cylinder that awaits measuring gets into the main frame, and the influence awaits measuring hydro-cylinder and remove to the main frame.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, for those skilled in the art, other related drawings can be obtained according to the drawings without creative efforts, and the proportional relationship of each component in the drawings in the present specification does not represent the proportional relationship in the actual material selection design, and is only a schematic diagram of the structure or the position, in which:

fig. 1 is a schematic front structural view of the present invention;

fig. 2 is a left side view of the present invention.

Reference numerals in the drawings indicate:

1-main frame, 101-slide rail, 2-auxiliary frame, 3-positioning block, 4-mounting plate, 5-supporting seat, 6-roller, 7-oil discharge pressing block, 8-oil discharge cylinder, 9-first bracket, 10-second bracket, 11-auxiliary hydraulic rod, 12-press belt, 13-oil cylinder to be tested, and 14-supporting cushion block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations where mutually exclusive features are expressly stated.

The present invention will be described in detail with reference to the accompanying drawings.

Example one

As shown in fig. 1-2, the utility model discloses a large-scale pressure test platform for hydro-cylinder, including main frame 1 and auxiliary frame 2, the bilateral symmetry of main frame 1 is provided with slide rail 101, an end of main frame 1 still is provided with locating piece 3, still includes mounting panel 4, be provided with supporting seat 5 on mounting panel 4, the hydro-cylinder 13 that awaits measuring is put up on mounting panel 4 through supporting seat 5, the lower surface of mounting panel 4 still symmetry is provided with gyro wheel 6 that matches with slide rail 101 on main frame 1, mounting panel 4 passes through gyro wheel 6 swing joint on main frame 1 to the one end of the hydro-cylinder 13 that awaits measuring is fixed on locating piece 3; an oil discharge press block 7 is further arranged on the auxiliary frame 2, the oil discharge press block 7 can slide along the moving direction of a piston of an oil cylinder 13 to be tested, and the other end of the oil cylinder 13 to be tested is connected with the upper end of the oil discharge press block 7; the oil discharging device is characterized by further comprising an oil discharging cylinder 8, wherein the oil discharging cylinder 8 is fixed on the main rack 1 and is positioned at the bottom of the mounting plate 4, and the end part of the oil discharging cylinder 8 is connected with the lower end of the oil discharging pressing block 7; the side of main frame 1 still installs supplementary fixed knot and constructs, and this supplementary fixed knot constructs including first support 9, second support 10, two supplementary hydraulic stem 11 and presses area 12, and on two supplementary hydraulic stem 11 upper ends all were fixed in second support 10, the both ends of pressing area 12 were pressed in the lower extreme connection of two supplementary hydraulic stem 11, press area 12 to be located the examination of examination hydro-cylinder 13 top and through two supplementary hydraulic stem 11 extensions in order to compress tightly examination hydro-cylinder 13.

For large oil cylinders, the large oil cylinder is moved to the test bench mostly by adopting a hanging mode, the oil cylinder is placed at a fixed position of the test bench, the operation process is complicated, in the utility model, the oil cylinder 13 to be tested is placed on the supporting seat 5, the supporting seat 5 is fixed on the mounting plate 4, namely, the oil cylinder 13 to be tested is erected on the mounting plate 4 through the supporting seat 5, the lower surface of the mounting plate 4 is provided with the rollers 6, the rollers 6 are symmetrically arranged at two sides of the lower surface of the mounting plate 4 one by one, the oil cylinder 13 to be tested can be moved to the vicinity of the main frame 1 through the rollers 6, the rollers 6 are introduced into the sliding rails 101 through related existing auxiliary tools, for example, the sliding rails 101 which are connected with the ground and the main frame 1 by using flat plates or flat plates with sliding grooves which are connected with, one end of an oil cylinder 13 to be tested is fixed with a positioning block 3 on a main frame 1, after the oil cylinder 13 to be tested moves onto the main frame 1, an auxiliary fixing structure is installed on the side edge of the main frame 1 and comprises a first support 9, a second support 10, two auxiliary hydraulic rods 11 and a press belt 12, the press belt 12 is made of a wear-resistant and durable rubber belt, the rubber belt contains fiber wires, the press belt 12 is tightly pressed on the oil cylinder 13 to be tested by driving a piston to move downwards through the two auxiliary hydraulic rods 11, the oil cylinder 13 to be tested is tightly abutted against a supporting seat 4, the press belt 12 has flexibility and meets the fixation of oil cylinders with different sizes and different shapes, the main frame 1 is detachably connected with an auxiliary frame 2, after the main frame 1 is connected with the auxiliary frame 2, the end part of an oil discharge cylinder 8 is connected with the lower end of an oil discharge press block 7, and the oil discharge, and discharging hydraulic oil in the oil cylinder 13 to be tested, enabling the piston of the oil cylinder 13 to be tested to return to the original position, after the test is finished, releasing the oil cylinder 13 to be tested by retracting the two auxiliary hydraulic rods 11 and pulling the press belt 12, and then taking the oil cylinder 13 to be tested and the mounting plate 4 out of the main frame 1.

Example two

The embodiment is to further explain the present invention.

On the basis of the above embodiment, in this embodiment, in an optimal scheme, the upper surface of the supporting seat 5 is provided with an arc-shaped limiting notch structure, and the arc-shaped limiting notch structure can clamp the oil cylinder 13 to be tested. By adopting the structure, the supporting seat 5 of the arc-shaped limiting notch structure enables the oil cylinder 13 to be tested to be limited and arranged in the arc-shaped limiting notch structure, and the oil cylinder 13 to be tested with different cylinder diameters can be placed.

EXAMPLE III

The embodiment is to further explain the present invention.

As shown in fig. 1, on the basis of the above embodiment, in a preferred scheme of the embodiment, the present embodiment further includes a supporting cushion block 14, and the supporting cushion block 14 is disposed in the middle of the supporting base 5 to support the cylinder 13 to be tested. By adopting the structure, the supporting cushion block 14 and the auxiliary fixing structure correspond to fix the oil cylinder 13 to be tested, so that the pressure test of the oil cylinder 13 to be tested is facilitated.

Example four

The embodiment is to further explain the present invention.

In this embodiment, on the basis of the above embodiment, in a preferable scheme of this embodiment, the first bracket 8 is slidably connected to the main frame 1 and can move back and forth along the direction of the slide rail 101. By adopting the structure, the pressing belt is suitable for oil cylinders with different lengths, the position of the pressing belt 12 is adjusted by moving the first bracket 9 on the main frame 1, so that the pressing belt is fixed at the middle position of the oil cylinder 13 to be tested, and the pressing belt is correspondingly fixed with the oil cylinder 13 to be tested in the third embodiment through the supporting cushion block 14.

EXAMPLE five

The embodiment is to further explain the present invention.

In this embodiment, on the basis of the above embodiment, in a preferable scheme of this embodiment, the first bracket 9 is perpendicular to the second bracket 10, and the two are rotatably connected. The second bracket 10 is rotatably connected with the first bracket 9, and the second bracket 10 can be turned to the side edge of the main frame 1 before the cylinder 13 to be tested enters the main frame 1 or when an auxiliary fixing structure is not used, so that the movement of the cylinder 13 to be tested to the main frame 1 is not influenced.

EXAMPLE six

The embodiment is to further explain the present invention.

On the basis of the above embodiments, in a preferable scheme of the present embodiment, the two auxiliary hydraulic rods 11 are symmetrically arranged on both sides of the cylinder 13 to be tested, and extend or contract simultaneously.

The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can be covered within the protection scope of the present invention without the changes or substitutions conceived by the inventive work within the technical scope disclosed by the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. Large-scale pressure test platform for hydro-cylinder includes main frame (1) and auxiliary engine frame (2), its characterized in that: the device comprises a main rack (1), sliding rails (101) symmetrically arranged on two sides of the main rack (1), a positioning block (3) arranged at one end of the main rack (1), a mounting plate (4), a supporting seat (5) arranged on the mounting plate (4), an oil cylinder (13) to be tested arranged on the mounting plate (4) through the supporting seat (5), rollers (6) matched with the sliding rails (101) on the main rack (1) symmetrically arranged on the lower surface of the mounting plate (4), the mounting plate (4) movably connected to the main rack (1) through the rollers (6), and one end of the oil cylinder (13) to be tested fixed on the positioning block (3); an oil discharge pressing block (7) is further arranged on the auxiliary rack (2), the oil discharge pressing block (7) can slide along the moving direction of a piston of an oil cylinder (13) to be tested, and the other end of the oil cylinder (13) to be tested is connected with the upper end of the oil discharge pressing block (7); the oil discharging device is characterized by further comprising an oil discharging cylinder (8), wherein the oil discharging cylinder (8) is fixed on the main frame (1) and located at the bottom of the mounting plate (4), and the end part of the oil discharging cylinder (8) is connected with the lower end of the oil discharging pressing block (7); the side of main frame (1) still installs supplementary fixed knot and constructs, and this supplementary fixed knot constructs including first support (9), second support (10), two supplementary hydraulic stem (11) and presses area (12), and on two supplementary hydraulic stem (11) upper ends all were fixed in second support (10), the both ends of pressing area (12) were pressed in the lower extreme connection of two supplementary hydraulic stem (11), press area (12) to be located examination hydro-cylinder (13) top and through two supplementary hydraulic stem (11) extension in order to compress tightly examination hydro-cylinder (13) of awaiting measuring.

2. The pressure test bench for the large-sized oil cylinder according to claim 1, characterized in that: the upper surface of the supporting seat (5) is provided with an arc-shaped limiting notch structure, and the arc-shaped limiting notch structure can clamp the oil cylinder (13) to be tested.

3. The pressure test bench for the large-sized oil cylinder according to claim 1, characterized in that: the testing device is characterized by further comprising a supporting cushion block (14), wherein the supporting cushion block (14) is arranged in the middle of the supporting seat (5) and used for supporting the oil cylinder (13) to be tested.

4. The pressure test bench for the large-sized oil cylinder according to claim 1, characterized in that: the first support (9) is connected with the main frame (1) in a sliding mode and can move back and forth along the direction of the sliding rail (101).

5. The pressure test bench for the large-sized oil cylinder according to claim 1, characterized in that: the first bracket (9) is vertical to the second bracket (10), and the first bracket and the second bracket are rotatably connected.

6. The pressure test bench for the large-sized oil cylinder according to claim 1, characterized in that: the two auxiliary hydraulic rods (11) are symmetrically arranged on two sides of the oil cylinder (13) to be tested and extend or contract simultaneously.