Hydraulic cylinder piston wear detection die

Abstract

The utility model discloses a hydraulic cylinder piston wear detection die, and relates to the technical field of hydraulic cylinder piston wear detection dies, the hydraulic cylinder piston wear detection die comprises a group of fixing rings, the fixing rings are connected through bolts, the group of fixing rings are combined to form a circle, the bottom of the group of fixing rings is slidably connected with a movable block, and the movable block is connected with the movable block. A plurality of sleeves are movably connected to the surface of the movable block, and a movable rod matched with the sleeve is slidably connected into each sleeve. According to the utility model, the detection die is installed on the surface of the hydraulic cylinder piston, so that the rotary joint is contacted with a position to be detected and is driven to rotate by one circle, and the movable rod and the displacement sensor are driven to move synchronously through extrusion of different positions of the hydraulic cylinder piston on the movable rod. Therefore, displacement caused by abrasion of the piston of the hydraulic cylinder can be accurately measured through the displacement sensor, the abrasion condition of the surface of the piston of the hydraulic cylinder can be found in time, and normal operation and safety of the hydraulic cylinder are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic cylinder piston wear detection mould technical field, concretely is a kind of hydraulic cylinder piston wear detection mould. BACKGROUND

[0002] In industrial production, hydraulic cylinder is widely used in various mechanical equipment, and the hydraulic cylinder is an execution component in the hydraulic system, has the advantages of simple structure and high reliability, and the hydraulic cylinder is usually composed of rear end cover, cylinder barrel, piston, front end cover and other main parts, wherein the hydraulic cylinder piston is the key component in the hydraulic oil cylinder, it is mainly responsible for converting the pressure of hydraulic oil into the linear motion of piston rod, to drive load to realize various actions.

[0003] When driving hydraulic cylinder piston to move for a long time, the surface of hydraulic cylinder piston is prone to wear, so hydraulic cylinder piston wear detection mould needs to be used to detect it, and the main purpose of hydraulic cylinder piston wear detection mould is to accurately evaluate the wear condition of hydraulic cylinder piston by simulating actual working condition, which helps to find potential wear problems in time, avoids hydraulic cylinder failure due to wear, so as to ensure the stability and safety of hydraulic system.

[0004] At present, when hydraulic cylinder piston wear detection mould is used, the hydraulic cylinder piston to be detected usually needs to be disassembled, and after disassembly, measuring tool is used to measure each part of the hydraulic cylinder piston, so as to determine the wear degree according to the measured value.

[0005] But in the use process of hydraulic cylinder piston wear detection mould, because its operation is more troublesome, and error is prone to exist in the measuring process, so it cannot accurately test the wear degree of hydraulic cylinder piston, and the working efficiency is reduced. UTILITY MODEL CONTENTS

[0006] Therefore, the utility model aims at providing a kind of hydraulic cylinder piston wear detection mould to solve the technical problem that in the use process of hydraulic cylinder piston wear detection mould, because its operation is more troublesome, and error is prone to exist in the measuring process, so it cannot accurately test the wear degree of hydraulic cylinder piston, and the working efficiency is reduced.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of hydraulic cylinder piston wear detection mould, including a set of fixed ring, the fixed ring is connected by bolt between, and a set of fixed ring is combined into circular, the bottom of a set of fixed ring is slidably connected with movable block, the movable block surface is movably connected with several sleeves, each the sleeve is slidably connected with the movable rod that is in accord with the sleeve in, and sleeve and movable rod are connected by spring between, each the movable rod is close to the end of sleeve and is provided with displacement sensor, and the other end of movable rod is rotatably connected with swivel joint.

[0008] By adopting the above technical scheme, a set of fixed ring can be connected by bolt, so as to be fixed on the surface of hydraulic cylinder piston, then the corresponding movable rod is extruded by the surface of hydraulic cylinder piston, so that the swivel joint at one end of movable rod contacts with the position to be detected of hydraulic cylinder piston, then the movable block is driven to rotate a circle at the bottom of fixed ring, so that swivel joint can rotate a circle on the surface of hydraulic cylinder piston, then the extrusion of movable rod at different positions can be generated, so that movable rod drives displacement sensor to move synchronously, so that displacement caused by hydraulic cylinder piston wear can be accurately measured by displacement sensor, which helps to find the wear condition of hydraulic cylinder piston surface in time, so as to ensure the normal operation and safety of hydraulic cylinder, and the structure is simple to operate, which is convenient for reducing operation difficulty and improving work efficiency.

[0009] The utility model further sets up, one side of movable block is fixedly connected with fixed block, be provided with a plurality of recesses that are in accord with the sleeve in the fixed block, and recess is slidably connected with the convex block that is in accord with recess, each recess is provided with the threaded rod that is in accord with convex block, and convex block is movable on the surface of threaded rod, each convex block is fixedly connected at one end of corresponding sleeve, and convex block is set to '' ten '' type structure.

[0010] By adopting the above technical scheme, the design of threaded rod and convex block in fixed block can adjust the position of convex block and sleeve by screwing threaded rod, so that movable rod is in accord with the position to be detected of hydraulic cylinder piston surface, which is convenient for increasing the versatility and flexibility of detection mould, so as to better detect hydraulic cylinder piston wear.

[0011] The utility model further sets up, the bottom of each fixed ring is provided with sliding groove, and sliding groove is slidably connected with the sliding block that is in accord with the sliding groove, the sliding block is fixedly connected at the top of movable block, and sliding block is set to '' T '' type structure.

[0012] Through adoption of the technical scheme, the design of the sliding slot and the sliding block can make the movable block rotate at the bottom of the fixed ring through the sliding slot and the sliding block after the fixed ring is connected, so that the movable rod rotates one circle on the surface of the hydraulic cylinder piston, and detection of the wear of the hydraulic cylinder piston is facilitated.

[0013] The utility model further sets up that, each sleeve is provided with a set of limit slot, and the limit slot is provided with the limit block that is in accord with the limit slot and is connected with sliding, each limit block is fixedly connected on the surface of corresponding movable rod, and the limit block is provided with T type structure.

[0014] Through adoption of the technical scheme, the limit slot and the limit block limit the movement range of the movable rod, so that the stability of the movable rod during movement is increased, and the detection process can be smoothly carried out.

[0015] The utility model further sets up that, the movable block is provided with a plurality of clamping slots that are in accord with the sleeve, and the sleeve moves in the corresponding clamping slot.

[0016] Through adoption of the technical scheme, the design of the clamping slot can provide the sleeve with accurate movement track, so that the stability of the sleeve movement is increased, the position of the sleeve can be more accurately adjusted, and the detection mold can be better used.

[0017] The utility model further sets up that, each fixed ring is provided with a rubber layer.

[0018] Through adoption of the technical scheme, the friction between the fixed block and the hydraulic cylinder piston can be increased, the stability of the fixed ring 1 is increased, so that the detection mold can be fixed on the surface of the hydraulic cylinder piston, and the detection of the wear of the hydraulic cylinder piston can be realized through the mold.

[0019] The utility model further sets up that, the fixed block is provided with a ladder structure.

[0020] Through adoption of the technical scheme, the design of the ladder structure facilitates the rotation of the corresponding threaded rod, so that the position adjustment of the corresponding sleeve and the movable rod is simpler, and the operation is more convenient.

[0021] In summary, the utility model mainly has the following beneficial effects:

[0022] The utility model discloses a detection mould for hydraulic cylinder piston wear is provided with the fixed ring 1, the rubber layer 3, the sliding groove 4, the sliding block 5, the movable block 6, the card slot 7, the sleeve 8, the movable rod 9, the rotary joint 10, the displacement sensor 11, the spring 12, the limiting slot 13, the limiting block 14, the fixed block 15, the recess 16, the convex block 17 and the threaded rod 18, and the utility model discloses a detection mould for hydraulic cylinder piston wear has the advantages of simple structure, convenient operation, high accuracy, high efficiency, high stability and the like. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0024] Figure 2 It is the three-dimensional structure schematic diagram of the utility model Figure 1 from another perspective;

[0025] Figure 3 It is the sectional view of the three-dimensional structure of the utility model;

[0026] Figure 4 It is the detection structure detail view of the utility model.

[0027] In the drawing: 1, fixed ring;2, bolt;3, rubber layer;4, sliding groove;5, sliding block;6, movable block;7, card slot;8, sleeve;9, movable rod;10, rotary joint;11, displacement sensor;12, spring;13, limiting slot;14, limiting block;15, fixed block;16, recess;17, convex block;18, threaded rod. DETAILED DESCRIPTION

[0028] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are used for explaining the utility model only, and cannot be understood as limiting the utility model.

[0029] The embodiments of the utility model will be described below according to the overall structure of the utility model.

[0030] A kind of hydraulic cylinder piston wear detection mould, as shown in Figures 1-4 It is shown that, including fixed ring 1, a group of fixed ring 1 is connected by bolt 2, and a group of fixed ring 1 is combined into circle, can be connected to a group of fixed ring 1 by bolt 2, so that fixed ring 1 is fixed on the surface of hydraulic cylinder piston, realize the fixation of detection mould, rubber layer 3 is arranged in each fixed ring 1, so it can increase the friction between fixed ring 1 and mould, so as to increase the stability of fixed ring 1.

[0031] Then a movable block 6 is slidably connected at the bottom of a set of fixed rings 1, the movable block 6 is movably connected with a plurality of sleeves 8 on the surface, each sleeve 8 is slidably connected with a movable rod 9 matched with the sleeve 8, so that the movable rod 9 moves in the sleeve 8 and the sleeve 8 and the movable rod 9 are connected by the spring 12, so that the movable rod 9 is kept in place by the spring 12, and when the movable rod 9 is subjected to external pressure, the movable rod 9 can be reset by the spring 12, so that the movable rod 9 better fits the surface of the hydraulic cylinder piston, each end of the movable rod 9 close to the sleeve 8 is provided with a displacement sensor 11, so that when the movable rod 9 moves by being extruded by the surface of the hydraulic cylinder piston, the displacement sensor 11 can be driven to move synchronously, the small displacement change caused by the wear of the piston can be accurately measured, which helps to find the wear of the piston in time and ensures the normal operation and safety of the hydraulic cylinder, and the other end of the movable rod 9 is rotatably connected with a rotary joint 10, which helps to more accurately evaluate the wear of the hydraulic cylinder piston through the rotary joint 10.

[0032] Wherein a sliding groove 4 is arranged at the bottom of each fixed ring 1, and a sliding block 5 matched with the sliding groove 4 is slidably connected in the sliding groove 4, the sliding block 5 is fixedly connected to the top of the movable block 6, so that the movable block 6 can rotate at the bottom of the fixed ring 1 through the sliding block 5 and the sliding groove 4, thereby driving the detection mold to move synchronously, which facilitates the detection of the wear of the hydraulic cylinder piston through the rotation of the mold, and the sliding block 5 is arranged in a "T" shape structure, which facilitates the stability of the sliding block 5 movement.

[0033] Meanwhile, a set of limiting grooves 13 are arranged in each sleeve 8, and a limiting block 14 matched with the limiting groove 13 is slidably connected in the limiting groove 13, each set of limiting blocks 14 are fixedly connected to the surface of the corresponding movable rod 9, so that the movement range of the movable rod 9 can be limited by the limiting groove 13 and the limiting block 14, which facilitates to increase the stability of the movable rod 9 during movement and ensures the smooth detection, and the limiting block 14 is arranged in a "T" shape structure, which facilitates to increase the stability of the limiting block 14 and the movable rod 9 movement.

[0034] A fixing block 15 is further fixedly connected to one side of the movable block 6. The fixing block 15 has several grooves 16 that fit into the sleeve 8, and protrusions 17 that fit into the grooves 16 are slidably connected to them, allowing the protrusions 17 to slide within their respective grooves 16. Each groove 16 has a threaded rod 18 that fits into the protrusion 17, and the protrusion 17 moves on the surface of the threaded rod 18. Each protrusion 17 is fixedly connected to one end of the corresponding sleeve 8. Rotating the threaded rod 18 can drive the protrusion 17 and the sleeve 8 to move synchronously, thereby affecting the movement of the sleeve 8 and the movable rod. The position of 9 is adjusted, and the protrusion 17 is set as a "+" shaped structure to increase the stability of the protrusion 17 sliding in the groove 16. At the same time, the fixing block 15 is set as a stepped structure to facilitate the individual rotation of the corresponding threaded rod 18, thus making it easier to adjust the position of the corresponding sleeve 8 and movable rod 9, which helps to make the operation more convenient. This structure is conducive to adjusting the position of the protrusion 17 and sleeve 8 so that the movable rod 9 matches the position to be detected on the surface of the hydraulic cylinder piston, which facilitates the increase of the versatility and flexibility of the detection mold, thereby better detecting the wear of the hydraulic cylinder piston.

[0035] In this embodiment, a plurality of slots 7 that fit with the sleeve 8 are provided on the surface of the movable block 6, and the sleeve 8 moves in the corresponding slots 7. The slots 7 can provide the sleeve 8 with an accurate movement trajectory, thereby increasing the stability of the movement of the sleeve 8 and facilitating accurate adjustment of the position of the sleeve 8, so as to better use the testing mold.

[0036] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not intended to limit the invention. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and spirit of the present invention, provided that such modifications, substitutions, and variations are within the scope of the claims of the present invention and are protected by patent law.

Claims

1. A hydraulic cylinder piston wear detection die, comprising a set of fixed rings (1), a set of said fixed rings (1) are connected by bolts (2), and a set of fixed rings (1) are combined into a circle, characterized in that: A group of the fixed ring (1) bottom sliding connection has movable block (6), the movable block (6) surface movable connection has several sleeves (8), each sleeve (8) is slidably connected with sleeve (8) and the activity rod (9) that fits, and sleeve (8) and activity rod (9) are connected by spring (12), each activity rod (9) is close to the end of sleeve (8) and is provided with displacement sensor (11), and the other end of activity rod (9) is rotatably connected with swivel joint (10).

2. The hydraulic cylinder piston wear detection die of claim 1, wherein: One side of the movable block (6) is fixedly connected with the fixed block (15), the fixed block (15) is provided with a plurality of recesses (16) matched with the sleeve (8), and the recess (16) is slidably connected with the convex block (17) matched with the recess (16), each recess (16) is provided with a threaded rod (18) matched with the convex block (17), and the convex block (17) is movable on the surface of the threaded rod (18), each convex block (17) is fixedly connected with one end of the corresponding sleeve (8), and the convex block (17) is provided as a "ten" type structure.

3. The hydraulic cylinder piston wear detection die of claim 1, wherein: The bottom of each fixed ring (1) is provided with a sliding groove (4), and the sliding groove (4) is slidably connected with the sliding block (5) matched with the sliding groove (4), the sliding block (5) is fixedly connected to the top of the movable block (6), and the sliding block (5) is provided as a "T" type structure.

4. The hydraulic cylinder piston wear detection die of claim 1, wherein: Each sleeve (8) is provided with a group of limiting grooves (13), and the limiting groove (13) is slidably connected with the limiting block (14) matched with the limiting groove (13), each group of limiting blocks (14) is fixedly connected to the surface of the corresponding activity rod (9), and the limiting block (14) is provided as a "T" type structure.

5. The hydraulic cylinder piston wear detection die of claim 1, wherein: The surface of the movable block (6) is provided with a plurality of clamping grooves (7) matched with the sleeve (8), and the sleeve (8) is movable in the corresponding clamping groove (7).

6. The hydraulic cylinder piston wear detection die of claim 1, wherein: Each of the fixed ring (1) is provided with a rubber layer (3).

7. The hydraulic cylinder piston wear detection die of claim 2, wherein: The fixed block (15) is provided as a stepped structure.

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