CN213235628U

CN213235628U - Testing device for automatic stroke control system of hydraulic cylinder

Info

Publication number: CN213235628U
Application number: CN202021742945.8U
Authority: CN
Inventors: 房庆龙; 李晓梅
Original assignee: Nanjing Bili Hydraulic Technology Co ltd
Current assignee: Nanjing Bili Hydraulic Technology Co ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-05-18
Anticipated expiration: 2030-08-19

Abstract

The utility model discloses a testing arrangement of hydraulic cylinder automatic control stroke system, including solid fixed ring, gu fixed ring's inside lateral wall rotates through a plurality of rotating device and is connected with a plurality of magnetic paths, and a plurality of magnetic path circumference array sets up, and the inside lateral wall of a plurality of magnetic paths sets to the cambered surface, and is a plurality of the upper end of magnetic path is a plurality of first sloping blocks of fixedly connected with respectively, gu fixed ring's the first ring of top lateral wall fixedly connected with, and threaded connection has a plurality of bolts on the first ring, and just a plurality of bolts are located a plurality of magnetic paths respectively directly over, the below lateral wall fixedly connected with of first ring has a plurality of loop bars, and a plurality of loop bars are located a plurality of bolts respectively under. The utility model relates to a hydraulic cylinder detection device technical field utilizes the magnetic path to make solid fixed ring fix fast on the pneumatic cylinder, uses the spring to drive the connecting rod simultaneously and makes removal dish and hydraulic stem fast fixed for whole measuring device simple structure, convenient to use.

Description

Testing device for automatic stroke control system of hydraulic cylinder

Technical Field

The utility model relates to a hydraulic cylinder detection device technical field specifically is a hydraulic cylinder automatic control stroke system's testing arrangement.

Background

With the continuous development of modern industry, the hydraulic transmission technology is greatly applied and developed in various industries around the world, such as loaders, bulldozers, road rollers and the like of engineering machinery; forklifts, belt conveyors, truck cranes and the like of hoisting and transporting machinery; pile drivers, hydraulic jacks and land levelers of construction machinery; agricultural machinery, automobile industry, mining machinery, metallurgical machinery and other industries. The hydraulic transmission equipment generally consists of four elements of power, execution, control and assistance, and a hydraulic oil cylinder is used as a hydraulic mechanism for realizing linear reciprocating motion or reciprocating swing of less than 360 degrees and is a main execution element which is widely applied in a hydraulic system. Therefore, the quality and performance of hydraulic rams becomes a critical issue in hydraulic systems, and how to detect the quality and performance of hydraulic rams becomes a matter of concern to hydraulic ram manufacturers.

The existing oil cylinder stroke testing and detecting device is complex in structure, large in size, high in cost, complex in installation time and steps, and requires a large amount of preparation time for each detection, so that the side length of a production cycle is long, and the yield is reduced.

Therefore, the testing device of the automatic control stroke system of the hydraulic oil cylinder is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydraulic cylinder automatic control stroke system's testing arrangement to solve the hydraulic cylinder stroke detection device structure on the existing market that above-mentioned background art provided complicated, the cost is great, and the installation is loaded down with trivial details, the longer problem of installation time.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the testing device comprises a fixing ring, wherein the inner side wall of the fixing ring is rotatably connected with a plurality of magnetic blocks through a plurality of rotating devices, the magnetic blocks are arranged in a circumferential array manner, the inner side wall of each magnetic block is arranged to be a cambered surface, the upper ends of the magnetic blocks are respectively fixedly connected with a plurality of first inclined blocks, the upper side wall of the fixing ring is fixedly connected with a first circular ring, a plurality of bolts are connected onto the first circular ring in a threaded manner and are respectively positioned right above the magnetic blocks, a plurality of sleeve rods are fixedly connected onto the lower side wall of the first circular ring and are respectively positioned right below the bolts, a sliding block is inserted into the sleeve rods in a sliding manner, the lower end of the sliding block is fixedly connected with a second inclined block, the second inclined block is positioned right above the first inclined block, the outer side wall of the fixing ring is fixedly connected with a plurality of fixing blocks, and a plurality of through-holes have been seted up respectively to the top lateral wall of a plurality of fixed blocks, and is a plurality of slip is inserted respectively in the through-hole and is equipped with a plurality of scale strips, and a plurality of scale strip parallel arrangement, and is a plurality of connecting blocks of upper end difference fixedly connected with of scale strip, and a plurality of branches of top lateral wall fixedly connected with of a plurality of connecting blocks, and is a plurality of the other end fixedly connected with of branch removes the dish, and removes in dish and a plurality of branches through slider sliding connection with a plurality of connecting rods, and a section fixedly connected with fixture block of branch is kept away from to a plurality of connecting rods.

Preferably, rotating device includes the lug of fixed connection on solid fixed ring inside lateral wall, and the both sides of lug rotate through the pivot and be connected with two turning blocks, the top lateral wall of two turning blocks and the below lateral wall fixed connection of magnetic path.

Preferably, slider is including offering in the inside cavity of removal dish and branch, and the cavity is close to the lateral wall of connecting block and promotes the piece through spring fixedly connected with, and promotes fixedly connected with connecting rod, a plurality of on the lateral wall that the piece kept away from the spring the connecting rod runs through removal dish outside lateral wall, and a plurality of connecting rods are located not co-altitude respectively.

Preferably, the fixture block is provided with a mounting groove near the side wall of the connecting rod, and a rubber gasket is fixedly connected in the mounting groove.

Preferably, the lower side wall of the fixing ring is clamped with a second circular ring, and the diameter of the inner side wall of the second circular ring is consistent with that of the cambered surface of the magnetic block.

Preferably, the inner side wall of the first circular ring is fixedly connected with a limiting ring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the device is sleeved on a hydraulic device to be tested, a limiting ring is contacted with the upper surface of a hydraulic cylinder, then the bolt is screwed out, at the moment, the magnetic block rotates and is adsorbed with the surface of the hydraulic cylinder, meanwhile, the magnetic block can extrude a second inclined block through a first inclined block in the rotating process, so that the second inclined block and a sliding block move upwards along a sleeve rod, after the magnetic block is adsorbed with the surface of the hydraulic cylinder, a fixing ring can be fixed with the hydraulic cylinder, then a connecting rod is pulled outwards, a plurality of clamping blocks are diffused outwards, at the moment, a moving disc is attached to a flange plate at the upper end of the hydraulic rod, the connecting rod is loosened, at the moment, the flange plate is fixed by the clamping block, the installation is completed, after the measurement is completed, the bolt is screwed in, so that the first inclined block can extrude the second inclined block, and the magnetic block rotates outwards along the rotating device, at the moment, the connection between the magnetic block and the hydraulic cylinder is released, then the connecting rod is pulled, the flange plate is separated from the movable plate, and the equipment can be dismantled;

2. through having realized measurement function, the installation is accomplished the back and is controlled hydraulic means start-up, and control its removal fixed distance, the hydraulic stem can drive the removal dish and remove this moment, and drive a plurality of scale strips and slide in the fixed block, wait after the hydraulic stem stop motion, can read out the movement distance on the scale strip and compare with the regulation distance, it is accurate to confirm the hydraulic means stroke, and a plurality of scale strips can contrast numerical value moreover, whether effective with the slope of confirming the removal dish and reading, increase the accuracy, reduce the error.

Drawings

Fig. 1 is a schematic view of the overall structure of a testing device of an automatic stroke control system of a hydraulic cylinder according to the present invention;

fig. 2 is a schematic diagram of the internal structure of the cavity of the testing device of the automatic stroke control system of the hydraulic cylinder according to the present invention;

fig. 3 is the utility model provides a solid fixed ring internal structure schematic diagram of hydraulic cylinder automatic control stroke system's testing arrangement.

In the figure: 1. a fixing ring; 2. a bump; 3. rotating the block; 4. a magnetic block; 5. a first swash block; 6. a first circular ring; 7. a loop bar; 8. a slider; 9. a second swash block; 10. a bolt; 11. a limiting ring; 12. a fixed block; 13. a scale bar; 14. connecting blocks; 15. a strut; 16. a movable tray; 17. a connecting rod; 18. a cavity; 19. a spring; 20. a pushing block; 21. a clamping block; 22. a rubber gasket; 23. a second circular ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a testing device of an automatic stroke control system of a hydraulic cylinder comprises a fixing ring 1, a second ring 23 is clamped on the lower side wall of the fixing ring 1, the diameter of the inner side wall of the second ring 23 is consistent with the diameter of the cambered surface of a magnetic block 4, the setting can prevent an operator from putting fingers into equipment, and reduce the possibility of injury caused by misoperation, the inner side wall of the fixing ring 1 is rotatably connected with a plurality of magnetic blocks 4 through a plurality of rotating devices, the plurality of magnetic blocks 4 are arranged in a circumferential array mode, the inner side wall of the plurality of magnetic blocks 4 is arranged in the cambered surface mode, each rotating device comprises a lug 2 fixedly connected on the inner side wall of the fixing ring 1, two rotating blocks 3 are rotatably connected on two sides of the lug 2 through rotating shafts, the upper side walls of the two rotating blocks 3 are fixedly connected with the lower side wall of the magnetic block 4, and the magnetic block 4 can be, the magnetic blocks 4 can also be rotated and disconnected, time and labor are saved, the upper ends of the magnetic blocks 4 are respectively fixedly connected with a plurality of first inclined blocks 5, the upper side wall of the fixing ring 1 is fixedly connected with a first circular ring 6, the inner side wall of the first circular ring 6 is fixedly connected with a limiting ring 11, the fixing ring 1 can be accurately fixed at the uppermost part of the hydraulic cylinder by the arrangement, the current stroke number of the hydraulic cylinder is convenient and convenient to determine, in addition, a plurality of bolts 10 are connected onto the first circular ring 6 in a threaded manner, the plurality of bolts 10 are respectively positioned right above the magnetic blocks 4, a plurality of loop bars 7 are fixedly connected onto the lower side wall of the first circular ring 6, the plurality of loop bars 7 are respectively positioned right below the plurality of bolts 10, a sliding block 8 is inserted into the plurality of loop bars 7 in a sliding manner, the lower end of the sliding block 8 is fixedly connected with a second inclined block 9, the second inclined block 9 is positioned right above the first inclined block 5, the outer side wall of the fixing ring 1 is fixedly connected, and the upper side walls of the plurality of fixed blocks 12 are respectively provided with a plurality of through holes, a plurality of scale strips 13 are respectively inserted into the plurality of through holes in a sliding manner, the plurality of scale strips 13 are arranged in parallel, the upper ends of the plurality of scale strips 13 are respectively fixedly connected with a plurality of connecting blocks 14, the upper side walls of the plurality of connecting blocks 14 are fixedly connected with a plurality of supporting rods 15, the other ends of the plurality of supporting rods 15 are fixedly connected with a moving disc 16, the moving disc 16 and the plurality of supporting rods 15 are respectively connected with a plurality of connecting rods 17 in a sliding manner through a sliding device, the sliding device comprises a cavity 18 arranged inside the moving disc 16 and the supporting rods 15, the side wall of the cavity 18 close to the connecting blocks 14 is fixedly connected with a pushing block 20 through a spring 19, the side wall of the pushing block 20 far away from the spring 19 is fixedly connected with the connecting rods 17, the plurality of connecting rods 17 penetrate through the outer side wall of the moving, drive fixture block 21 and fix the law dish and the removal dish 16 of hydraulic stem upper end, connected mode is convenient, and a section fixedly connected with fixture block 21 of branch 15 is kept away from to a plurality of connecting rods 17, and fixture block 21 has seted up the mounting groove near the lateral wall of connecting rod 17, and fixedly connected with rubber gasket 22 in the mounting groove, should set up and guarantee that can not produce the slip between fixture block 21 and the law dish of hydraulic stem upper end, increase detection device's accuracy.

In the utility model, an operator needs to install the device on the hydraulic device to be tested first, and then to sleeve the device on the hydraulic device to be tested, so that the limiting ring 11 contacts with the upper surface of the hydraulic cylinder, and then to unscrew the bolt 10, at this time, the magnetic block 4 rotates and adsorbs with the surface of the hydraulic cylinder, and at the same time, the magnetic block 4 can extrude the second inclined block 9 through the first inclined block 5 in the rotating process, so that the second inclined block 9 and the slider 8 move upwards along the loop bar 7, after the magnetic block 4 adsorbs with the surface of the hydraulic cylinder, the fixing ring 1 can be fixed with the hydraulic cylinder, and then the connecting rod 17 is pulled outwards, so that the plurality of clamping blocks 21 are diffused outwards, at this time, the moving disc 16 is attached to the flange plate at the upper end of the hydraulic rod, the connecting rod 17 is loosened, at this time, the clamping block 21 can fix the flange plate, so far the installation is completed, and drive a plurality of scale bars 13 to slide in the fixed block 12, after the hydraulic stem stops moving, can read the movement distance on the scale bar 13 and compare with the specified distance, confirm whether the hydraulic means stroke is accurate, and a plurality of scale bars 13 can compare the numerical value, in order to confirm whether the movable plate 16 tilts and whether the reading is effective, increase the accuracy, reduce the error, after measuring, screw bolt 10 forward, can make first sloping block 5 extrude the second sloping block 9, make the magnetic block 4 rotate to the outside along the rotating device, the connection of magnetic block 4 and pneumatic cylinder is relieved at this moment, then pull connecting rod 17, and separate flange and movable plate 16, can demolish the apparatus, it is very convenient to install and demolish, save detection time, increase output.

The above, only be the concrete implementation of 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 is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The testing device of the automatic stroke control system of the hydraulic cylinder comprises a fixing ring (1) and is characterized in that the inner side wall of the fixing ring (1) is rotatably connected with a plurality of magnetic blocks (4) through a plurality of rotating devices, the magnetic blocks (4) are arranged in a circumferential array mode, the inner side wall of each magnetic block (4) is arranged to be a cambered surface, the upper ends of the magnetic blocks (4) are fixedly connected with a plurality of first inclined blocks (5) respectively, the upper side wall of the fixing ring (1) is fixedly connected with a first circular ring (6), a plurality of bolts (10) are in threaded connection with the first circular ring (6), the bolts (10) are located right above the magnetic blocks (4) respectively, a plurality of sleeve rods (7) are fixedly connected with the lower side wall of the first circular ring (6), the sleeve rods (7) are located right below the bolts (10) respectively, and sliding blocks (8) are inserted into the sleeve rods (7) in a sliding mode, the lower end of the sliding block (8) is fixedly connected with a second inclined block (9), the second inclined block (9) is positioned right above the first inclined block (5), the outer side wall of the fixing ring (1) is fixedly connected with a plurality of fixing blocks (12), a plurality of through holes are respectively arranged on the side wall above the plurality of fixed blocks (12), a plurality of scale bars (13) are respectively inserted in the through holes in a sliding way, a plurality of scale bars (13) are arranged in parallel, the upper ends of the scale bars (13) are respectively and fixedly connected with a plurality of connecting blocks (14), a plurality of supporting rods (15) are fixedly connected with the upper side walls of the connecting blocks (14), a moving disc (16) is fixedly connected with the other ends of the supporting rods (15), and a plurality of connecting rods (17) are connected in a sliding way in the moving disc (16) and the plurality of supporting rods (15) through a sliding device, and a section of the connecting rods (17) far away from the support rod (15) is fixedly connected with a clamping block (21).

2. The testing device of the automatic control stroke system of the hydraulic cylinder as claimed in claim 1, wherein the rotating device comprises a convex block (2) fixedly connected to the inner side wall of the fixed ring (1), two rotating blocks (3) are rotatably connected to two sides of the convex block (2) through a rotating shaft, and the upper side wall of each rotating block (3) is fixedly connected to the lower side wall of the magnetic block (4).

3. The testing device of the automatic control stroke system of the hydraulic cylinder as recited in claim 1, wherein the sliding device comprises a cavity (18) which is arranged inside the moving plate (16) and the supporting rod (15), the side wall of the cavity (18) close to the connecting block (14) is fixedly connected with a pushing block (20) through a spring (19), the side wall of the pushing block (20) far away from the spring (19) is fixedly connected with a connecting rod (17), the connecting rods (17) penetrate through the outer side wall of the moving plate (16), and the connecting rods (17) are respectively positioned at different heights.

4. The testing device of the automatic stroke control system of the hydraulic cylinder as claimed in claim 1, wherein the fixture block (21) is provided with a mounting groove near the side wall of the connecting rod (17), and a rubber gasket (22) is fixedly connected in the mounting groove.

5. The testing device of the automatic stroke control system of the hydraulic cylinder as claimed in claim 1, wherein a second ring (23) is clamped on the lower side wall of the fixing ring (1), and the diameter of the inner side wall of the second ring (23) is consistent with the diameter of the cambered surface of the magnetic block (4).

6. The testing device of the automatic control stroke system of the hydraulic oil cylinder according to claim 1, characterized in that a limiting ring (11) is fixedly connected to the inner side wall of the first circular ring (6).