阅读说明：本技术 一种倾斜油缸装配用缸筒磨合、内泄漏检测的支撑台 (Supporting table for detecting grinding and inner leakage of cylinder barrel for assembling inclined oil cylinder ) 是由 沈四海 于 2021-08-09 设计创作，主要内容包括：本发明公开了一种倾斜油缸装配用缸筒磨合、内泄漏检测的支撑台,包括底架,所述底架的台面两侧固定设置有左侧立板和右侧立板,所述底架上且位于左侧立板和右侧立板之间设置有紧固组件和牵引组件,所述牵引组件用于牵引待检测油缸的活塞杆,所述紧固组件用于固定待检测油缸,本发明中通过在底架的一侧设置紧固组件,即通过在工装板的两端设置支撑板和支撑座,通过支撑座对油缸进行固定,同时,通过在左侧立板上通过左侧连接座经气缸接头和限位销轴对油缸的端部进行固定,使油缸在底架上的固定更加牢固,提高油缸磨合和内检漏测试时的稳定性。(The invention discloses a support table for cylinder running-in and internal leakage detection for assembling an inclined oil cylinder, which comprises a bottom frame, wherein a left vertical plate and a right vertical plate are fixedly arranged on two sides of a table top of the bottom frame, a fastening assembly and a traction assembly are arranged on the bottom frame and positioned between the left vertical plate and the right vertical plate, the traction assembly is used for drawing a piston rod of the oil cylinder to be detected, and the fastening assembly is used for fixing the oil cylinder to be detected.)

1. The supporting table comprises an underframe (1), wherein a left vertical plate (4) and a right vertical plate (25) are fixedly arranged on two sides of a table top of the underframe (1), and the supporting table is characterized in that a fastening assembly and a traction assembly are arranged on the underframe (1) and between the left vertical plate (4) and the right vertical plate (25), the traction assembly is used for drawing a piston rod of an oil cylinder to be detected, and the fastening assembly is used for fixing the oil cylinder to be detected.

2. A supporting table for detecting running-in and internal leakage of a cylinder barrel for assembling a tilt cylinder according to claim 1, wherein the fastening assembly comprises a first bottom plate (2) arranged on the bottom frame (1), a tooling plate (3) is fixedly arranged on the first bottom plate (2), supporting plates (10) for supporting the cylinder are arranged at two ends of the tooling plate (3), and a supporting base (9) is fixed at the top ends of the supporting plates (10).

3. A supporting table for running-in and internal leakage detection of a cylinder barrel for assembling a tilt cylinder according to claim 2, wherein a left connecting seat is arranged on the inner side surface of the left vertical plate (4), an air cylinder joint is arranged on the left connecting seat, and the air cylinder joint is connected with an air cylinder arranged on the supporting seat (9) through a limiting pin shaft.

4. A supporting table for detecting running-in and internal leakage of a cylinder barrel for assembling an inclined oil cylinder according to claim 1, wherein the traction assembly comprises a connecting rod (11) arranged at the tops of a left vertical plate (4) and a right vertical plate (25), the connecting rod (11) is slidably connected with a sliding plate (13) through a linear bearing, a left pressing seat (29) is fixedly arranged on the right side surface of the sliding plate (13), a transition sleeve (26) is arranged between the left pressing seat (29) and the sliding plate (13), and a right pressing seat (31) is fixedly arranged on the left side surface of the right vertical plate (25).

5. A support table for detecting running-in and internal leakage of a cylinder barrel for assembling a tilt cylinder according to claim 4, wherein an induction cylinder is fixedly arranged on the right side surface of the right vertical plate (25), and a piston rod of the induction cylinder is fixedly connected with the sliding plate (13) through a cylinder joint (30).

6. A supporting table for detecting running-in and internal leakage of a cylinder barrel for assembling a tilting cylinder according to claim 4, characterized in that a connecting sleeve (12) is arranged on the sliding plate (13), and the connecting sleeve (12) is connected with a piston rod of the cylinder to be detected.

7. The support table for detecting the running-in and the internal leakage of the cylinder barrel for assembling the tilt cylinder according to claim 4, wherein a micro cylinder is arranged on the right side surface of the right vertical plate (25), a piston rod of the micro cylinder is connected with a positioning rod (28), the positioning rod (28) is connected with a positioning sleeve (27) on the sliding plate (13), and a connecting bracket (32) for supporting the micro cylinder is further arranged on the underframe (1).

8. The support table for detecting running-in and internal leakage of a cylinder tube for assembling a tilt cylinder according to claim 7, characterized in that the fastening component also comprises an upper fastening part arranged on the underframe (1), a bottom plate (36) of the upper fastening part is arranged on the underframe (1), four upright posts (35) are arranged on the surface of the bottom plate (36), the top of the upright post (35) is connected with a top plate (34), the top surface of the top plate (34) is provided with a cylinder, a piston rod of the cylinder is connected with an upper cylinder driving block (17) through an upper cylinder joint (16), the bottom of the upper cylinder driving block (17) is connected with an upper reciprocating plate (18), the bottom of the upper reciprocating plate (18) is connected with a first sliding plate (22) in a sliding way, the bottom surface of the first sliding plate (22) is provided with a limiting seat (24) through a connecting plate (23), and the bottom surface of the limiting seat (24) is provided with a C-shaped notch.

9. A support table for detecting running-in and internal leakage of a cylinder barrel for assembling a tilt cylinder according to claim 8, wherein guide rods (14) are arranged at four corners of the top of the upper reciprocating plate (18), and linear bearings for sliding the guide rods (14) are arranged on the top plate (34).

Technical Field

The invention relates to the technical field of oil cylinder assembly, in particular to a support table for detecting grinding and internal leakage of a cylinder barrel for assembling an inclined oil cylinder.

Background

The tilting oil cylinder is an important component of the forklift and controls the front and back tilting of the portal; the front and back inclination angles of the inclined oil cylinder are different according to different working conditions, and the change requirement of the angle is realized by installing an adjusting sleeve on a piston rod under the common condition.

In the prior art, an equipment line of a tilt cylinder assembly comprises a piston rod and sleeve assembling machine, a cylinder sleeve screwing machine, a running-in and inner leakage detection machine, a friction force and stroke detection machine and the like, and no special support table is used for supporting a cylinder barrel for running-in and inner leakage detection of the tilt cylinder in the prior art, so that a support table for running-in and inner leakage detection of the cylinder barrel for assembling the tilt cylinder is urgently needed to be designed, and the running-in and inner leakage rapid detection of the tilt cylinder is completed through stable support of the support table.

Disclosure of Invention

The invention aims to provide a support table for cylinder running-in and internal leakage detection for assembling an inclined oil cylinder.

The technical problem solved by the invention is as follows:

(1) how to complete the running-in of the cylinder barrel and the piston rod of the assembled inclined oil cylinder;

(2) how to realize the rapid detection of the internal leakage of the assembled inclined oil cylinder.

The purpose of the invention can be realized by the following technical scheme:

the supporting table comprises an underframe, wherein a left vertical plate and a right vertical plate are fixedly arranged on two sides of a table top of the underframe, a fastening assembly and a traction assembly are arranged on the underframe and between the left vertical plate and the right vertical plate, the traction assembly is used for drawing a piston rod of an oil cylinder to be detected, and the fastening assembly is used for fixing the oil cylinder to be detected.

As a further scheme of the invention: the fastening assembly comprises a first bottom plate arranged on the underframe, a tooling plate is fixedly arranged on the first bottom plate, supporting plates used for supporting the air cylinder are arranged at two ends of the tooling plate, and a supporting seat is fixed at the top end of each supporting plate.

As a further scheme of the invention: the inner side surface of the left vertical plate is provided with a left connecting seat, the left connecting seat is provided with an air cylinder connector, and the air cylinder connector is connected with an air cylinder arranged on the supporting seat through a limiting pin shaft.

As a further scheme of the invention: the traction assembly comprises a connecting rod arranged at the top of the left vertical plate and the top of the right vertical plate, a sliding plate is connected to the connecting rod in a sliding manner through a linear bearing, a left pressing seat is fixedly arranged on the right side face of the sliding plate, a transition sleeve is arranged between the left pressing seat and the sliding plate, and a right pressing seat is fixedly arranged on the left side face of the right vertical plate.

As a further scheme of the invention: an induction oil cylinder is fixedly arranged on the right side face of the right side vertical plate, and a piston rod of the induction oil cylinder is fixedly connected with the sliding plate through an oil cylinder connector.

As a further scheme of the invention: the sliding plate is provided with a connecting sleeve, and the connecting sleeve is connected with a piston rod of the oil cylinder to be detected.

As a further scheme of the invention: the right side face of the right side vertical plate is provided with a micro oil cylinder, a piston rod of the micro oil cylinder is connected with a positioning rod, the positioning rod is connected with a positioning sleeve on the sliding plate, and the bottom frame is further provided with a connecting support for supporting the micro oil cylinder.

As a further scheme of the invention: the fastening assembly further comprises an upper fastening part arranged on the chassis, a bottom plate of the upper fastening part is arranged on the chassis, four stand columns are arranged on the surface of the bottom plate, the tops of the stand columns are connected with a top plate, a cylinder is arranged on the top surface of the top plate, a piston rod of the cylinder is connected with an upper cylinder driving block through an upper cylinder joint, an upper reciprocating plate is connected to the bottom of the upper cylinder driving block, a first sliding plate is slidably connected to the bottom of the upper reciprocating plate, a limiting seat is arranged on the bottom surface of the first sliding plate through a connecting plate, and a C-shaped notch is formed in the bottom surface of the limiting seat.

As a further scheme of the invention: four corners at the top of the upper reciprocating plate are provided with guide rods, and the top plate is provided with linear bearings used for the guide rods to slide.

The invention has the beneficial effects that:

(1) according to the invention, the fastening assembly is arranged on one side of the bottom frame, namely the support plate and the support seat are arranged at two ends of the tooling plate, the oil cylinder is fixed through the support seat, and meanwhile, the end part of the oil cylinder is fixed on the left vertical plate through the left connecting seat and the air cylinder connector and the limiting pin shaft, so that the oil cylinder is more firmly fixed on the bottom frame, and the stability of the oil cylinder during running-in and internal leakage detection tests is improved;

(2) according to the invention, the traction part is arranged on the right side of the underframe, the traction part comprises a hydraulic reciprocating sliding table, a tensioning rod and other parts, and particularly, the piston rod is driven by the induction oil cylinder to push the sliding plate to slide on the connecting rod in a reciprocating manner, so that the sliding plate acts on the connecting sleeve to provide a certain thrust for the piston rod of the oil cylinder, a certain resistance is applied to the oil cylinder when the oil cylinder is in running-in, and the oil cylinder is ensured to be more fully run-in;

(3) the invention relates to a device for detecting the internal leakage of an oil cylinder, which comprises a positioning part at the lower part, namely a micro oil cylinder, a positioning rod, a positioning sleeve and other parts, wherein the micro oil cylinder drives a piston rod to push the positioning rod, so that the positioning rod acts on a sliding plate, the sliding plate is positioned at a fixed position on a connecting rod, the oil cylinder is filled with oil to carry out low-pressure tightness test and high-pressure external leakage test at the left side and the right side, and the internal leakage detection is simple and quick and has high flexibility.

Drawings

The invention will be further described with reference to the accompanying drawings.

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

FIG. 2 is a schematic left side view of the present invention;

fig. 3 is a schematic structural diagram of a top view of the present invention.

In the figure: 1. a chassis; 2. a first bottom plate; 3. assembling a plate; 4. a left vertical plate; 9. a supporting seat; 10. a support plate; 11. a connecting rod; 12. connecting sleeves; 13. a slide plate; 14. a guide bar; 16. an upper cylinder head; 17. an upper cylinder drive block; 18. an upper reciprocating plate; 22. a first sliding plate; 23. a connecting plate; 24. a limiting seat; 25. a right side vertical plate; 26. a transition sleeve; 27. a positioning sleeve; 28. positioning a rod; 29. a left compression seat; 30. a cylinder joint; 31. a right compression seat; 32. connecting a bracket; 34. a top plate; 35. a column; 36. a base plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the invention relates to a support table for detecting running-in and internal leakage of a cylinder barrel for assembling an inclined oil cylinder, wherein a left vertical plate 4 and a right vertical plate 25 are fixedly arranged on two sides of a table top of a bottom frame 1, a fastening assembly and a traction assembly are arranged on the bottom frame 1 and between the left vertical plate 4 and the right vertical plate 25, the traction assembly is used for drawing a piston rod of an oil cylinder to be detected, and the fastening assembly is used for fixing the oil cylinder to be detected.

During the use, treat through fastening assembly and detect the hydro-cylinder and carry out spacing fixed, make the fixed more firm of hydro-cylinder on chassis 1, improve the hydro-cylinder at break-in and the stability of internal leakage detection in-process, simultaneously, through the setting of traction assembly, with this traction assembly effect with wait to detect the piston rod of hydro-cylinder, realize the limiting displacement to the hydro-cylinder piston rod to realize the resistance control of hydro-cylinder at the break-in-process.

Referring to fig. 1, the fastening assembly comprises a first bottom plate 2 arranged on a bottom frame 1, a first bottom plate 2 is fixedly provided with a tooling plate 3, two ends of the tooling plate 3 are provided with supporting plates 10 used for supporting cylinders, the top end of each supporting plate 10 is fixed with a supporting seat 9, a left side connecting seat is arranged on the inner side surface of a left side vertical plate 4, a cylinder joint is arranged on the left side connecting seat, and the cylinder joint is connected with a cylinder arranged on the supporting seat 9 through a limiting pin shaft.

Specifically, set up backup pad 10 and supporting seat 9 through the both ends at frock board 3, fix the hydro-cylinder through supporting seat 9, simultaneously, fix the tip of hydro-cylinder through left side connecting seat through cylinder joint and spacing round pin axle on left side riser 4, make the fixed more firm of hydro-cylinder on chassis 1, stability when improving hydro-cylinder running-in and interior leak hunting test.

Referring to fig. 1-3, the traction assembly includes a connecting rod 11 disposed on the top of a left vertical plate 4 and a right vertical plate 25, the connecting rod 11 is slidably connected to a sliding plate 13 through a linear bearing, a left pressing seat 29 is fixedly disposed on the right side of the sliding plate 13, a transition sleeve 26 is disposed between the left pressing seat 29 and the sliding plate 13, a right pressing seat 31 is fixedly disposed on the left side of the right vertical plate 25, and the position of the sliding plate 13 between the left vertical plate 4 and the right vertical plate 25 can be stably adjusted through the arrangement of the connecting rod 11, that is, the resistance control of the piston rod of the oil cylinder to be detected is realized through the adjustment of the position of the sliding plate 13;

an induction oil cylinder is fixedly arranged on the right side face of the right vertical plate 25, a piston rod of the induction oil cylinder is fixedly connected with the sliding plate 13 through an oil cylinder connector 30, the piston rod is driven by the induction oil cylinder to push the sliding plate 13 to slide on the connecting rod 11 in a reciprocating mode, so that the sliding plate 13 acts on the connecting sleeve 12 to provide certain thrust for the piston rod of the oil cylinder, certain resistance is applied to the oil cylinder when the oil cylinder is in running-in, and the oil cylinder is guaranteed to be more fully run-in;

the connecting sleeve 12 is arranged on the sliding plate 13, and the connecting sleeve 12 is connected with a piston rod of the cylinder to be detected, so that stable connection with the piston rod of the cylinder to be detected is realized.

Referring to fig. 1, a micro oil cylinder is arranged on the right side surface of the right vertical plate 25, a piston rod of the micro oil cylinder is connected with a positioning rod 28, the positioning rod 28 is connected with a positioning sleeve 27 on the sliding plate 13, and a connecting bracket 32 for supporting the micro oil cylinder is further arranged on the bottom frame 1.

Specifically, the piston rod is driven by the micro oil cylinder to push the positioning rod 28, so that the positioning rod 28 acts on the sliding plate 13, the sliding plate 13 is positioned at a fixed position on the connecting rod 11, and the oil is injected into the oil cylinder to perform low-pressure tightness test and high-pressure external leakage test on the left side and the right side.

Referring to fig. 1-2, the fastening assembly further includes an upper fastening portion disposed on the base frame 1, a bottom plate 36 of the upper fastening portion is disposed on the base frame 1, four posts 35 are disposed on a surface of the bottom plate 36, the top of the upright post 35 is connected with a top plate 34, the top surface of the top plate 34 is provided with a cylinder, a piston rod of the cylinder is connected with an upper cylinder driving block 17 through an upper cylinder joint 16, the bottom of the upper cylinder driving block 17 is connected with an upper reciprocating plate 18, the bottom of the upper reciprocating plate 18 is connected with a sliding plate I22 in a sliding way, the bottom surface of the sliding plate I22 is provided with a limiting seat 24 through a connecting plate 23, the bottom surface of the limiting seat 24 is provided with a C-shaped notch, the upper fastening part is arranged, so that the limiting seat 24 can limit and control the sliding plate 13 and the right vertical plate 25, and the sliding plate 13 is more stably fixed on the connecting rod 11.

Guide rods 14 are arranged at four corners of the top of the upper reciprocating plate 18, and linear bearings used for sliding the guide rods 14 are arranged on the top plate 34, so that the guide rods 14 move more stably in the vertical direction.

Specifically, an assembled oil cylinder to be detected is placed on a tool plate 3 of a left fastening assembly for fixing, an oil pipe transition joint of the oil cylinder to be detected is manually screwed, a detection oil pipe is pulled down to be butted with the oil pipe transition joint of the oil cylinder to be detected, a piston rod of an induction oil cylinder is fixedly connected with a sliding plate 13 through an oil cylinder joint 30 in a running-in process, the sliding plate 13 is driven by the induction oil cylinder to slide on a connecting rod 11 in a reciprocating mode through the induction oil cylinder, the sliding plate 13 acts on a connecting sleeve 12 to provide certain thrust for the piston rod of the oil cylinder, certain resistance is applied to the oil cylinder in the running-in process of the oil cylinder, after fifteen reciprocating cycles of running-in, the piston rod is fixed at the middle position of the oil cylinder for internal leakage detection, the micro oil cylinder drives the piston rod to push a positioning rod 28 to act on the sliding plate 13, the sliding plate 13 is positioned at a fixed position on the connecting rod 11, oil injection is performed on the oil cylinder for low-pressure sealing performance test and high-pressure external leakage test on the left side and the right side, and after the test is finished, discharging the oil in the oil cylinder back to the oil tank, and then detaching the oil pipe and the oil pipe transition joint.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.