A hydraulic cylinder oil leakage and stroke detection device

Abstract

This specification provides one or more embodiments of a hydraulic cylinder oil leakage and stroke detection device. It comprises a worktable, an oil storage tank, a hydraulic cylinder, a drive unit, and two electric telescopic frames. An oil inlet pipe and an oil outlet pipe are installed on the oil storage tank. A piston is mounted on the drive unit, and a locking mechanism is installed on the electric telescopic frames. A movable component moves the electric telescopic frames to adjust the fixed position of the hydraulic cylinder. The locking mechanism secures the hydraulic cylinder to the electric telescopic frames. Oil is injected into the hydraulic cylinder through the oil inlet pipe until it is full. The drive unit moves the piston, which compresses the oil in the hydraulic cylinder, transferring it to the hydraulic cylinder through the oil outlet pipe, enabling the hydraulic cylinder to operate normally. The extended portion of the hydraulic cylinder is above the oil storage tank. When the hydraulic cylinder reaches its stroke limit, the length by which the drive unit compresses the hydraulic cylinder is the stroke distance of the hydraulic cylinder. When the hydraulic cylinder leaks oil, the leaked oil drips directly into the oil storage tank for collection. This solves the problem of separating the detection of oil leakage and stroke during the detection process.

Description

Technical Field

[0001] This specification relates to the field of hydraulic cylinder testing equipment technology, and more particularly to a hydraulic cylinder oil leakage and stroke detection device. Background Technology

[0002] A hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating motion. It is characterized by its simple structure and reliable operation. When using a hydraulic cylinder to achieve reciprocating motion, a speed reduction device is unnecessary, and there is no transmission backlash, resulting in smooth movement. Therefore, it is widely used in the hydraulic systems of various machines. After prolonged use, hydraulic cylinders may leak oil. Oil leakage can lead to malfunctions in the core pulling mechanism or incomplete signal transmission, affecting equipment processing and production. Stroke is also an important indicator of a hydraulic cylinder's performance; different hydraulic systems require cylinders with different stroke sizes. In current hydraulic cylinder production processes, leak detection and stroke measurement are performed manually in separate steps and production lines. This method is inefficient, labor-intensive, and prone to errors due to manual operation. Summary of the Invention

[0003] In view of this, the purpose of one or more embodiments of this specification is to provide a hydraulic cylinder oil leakage and stroke detection device to solve the problem that the detection of hydraulic cylinder oil leakage and stroke needs to be carried out separately.

[0004] To achieve the above objectives, one or more embodiments of this specification provide a hydraulic cylinder oil leakage and stroke detection device, comprising:

[0005] The workbench has an oil storage tank on top;

[0006] A hydraulic cylinder is disposed at one end of the oil storage tank, and the end of the hydraulic cylinder away from the oil storage tank is provided with an oil inlet pipe and an oil outlet pipe;

[0007] A driving component is disposed between the oil storage tank and the hydraulic cylinder, and a piston is provided at one end of the driving component, the piston being disposed inside the hydraulic cylinder;

[0008] Two electrically operated telescopic frames, one of which is located at the end of the oil storage tank near the hydraulic cylinder, and the other electrically operated telescopic frame is provided with a movable component between it and the worktable;

[0009] Two locking mechanisms are respectively installed on one of the electric telescopic frames.

[0010] Preferably, the end of the oil storage tank away from the hydraulic cylinder is provided with an oil drain pipe.

[0011] Preferably, the oil storage tank is equipped with an oil discharge mechanism, which includes:

[0012] A threaded rod is inserted inside the oil storage tank;

[0013] A limiting rod is inserted inside the oil storage tank, and the limiting rod and the threaded rod are symmetrically distributed.

[0014] An oil scraper is sleeved on the threaded rod and the limiting rod, and the oil scraper is threadedly connected to the threaded rod;

[0015] An electric motor is located on one side of the oil storage tank, and the output shaft of the electric motor is connected to one end of the threaded rod for transmission.

[0016] Preferably, each hydraulic cylinder is provided with a fixing plate on its side, and the fixing plate is fixedly connected to the workbench.

[0017] Preferably, a water level gauge is vertically mounted on the outer circumference of the hydraulic cylinder.

[0018] Preferably, the oil inlet pipe is equipped with a switch handle.

[0019] Preferably, the driving component is an electric push rod, which is fixedly mounted on the worktable. The output shaft of the electric push rod passes through the hydraulic cylinder, and the piston is fixedly mounted on the output shaft of the electric push rod.

[0020] Preferably, the output shaft of the electric actuator has several scale marks, and the distance between each scale mark is the same.

[0021] Preferably, the active component includes:

[0022] The slider is fixedly installed at the bottom of the electric telescopic frame;

[0023] A slide rail is fixedly mounted on the worktable, and the slide rail is inserted into the slider.

[0024] Preferably, the locking mechanism includes:

[0025] The material plate has a first arc-shaped groove on its top and is fixedly mounted on the sleeve of the electric telescopic frame.

[0026] The clamping plate has a second arc-shaped groove at its bottom and is fixedly mounted on the telescopic rod of the electric telescopic frame.

[0027] As can be seen from the above description, the hydraulic cylinder leakage and stroke detection device provided by one or more embodiments of this specification uses a movable component to move and adjust the fixed position of the hydraulic cylinder to drive an electric telescopic frame. The hydraulic cylinder is fixed on the electric telescopic frame by a locking mechanism. Oil is injected into the hydraulic cylinder through the oil inlet pipe until it is full. The piston is driven by a drive component to move. The piston squeezes the oil in the hydraulic cylinder and transmits it to the hydraulic cylinder through the oil outlet pipe, so that the hydraulic cylinder can operate normally. The part of the hydraulic cylinder that extends out is above the oil storage tank. When the hydraulic cylinder reaches its stroke position, the length of the hydraulic cylinder squeezed by the drive component is the stroke distance of the hydraulic cylinder. When the hydraulic cylinder leaks oil, the leaked oil drips directly into the oil storage tank for collection. This solves the problem that the detection of hydraulic cylinder leakage and stroke needs to be carried out separately. Attached Figure Description

[0028] To more clearly illustrate the technical solutions in one or more embodiments of this specification or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only one or more embodiments of this specification. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0029] Figure 1 This is a schematic diagram of the overall structure of one or more embodiments of this specification;

[0030] Figure 2 This is a schematic diagram of the overall structure of the oil storage tank according to one or more embodiments of this specification;

[0031] Figure 3 This is a schematic diagram of the overall structure of the hydraulic cylinder for one or more embodiments of this specification;

[0032] Figure 4 This is a schematic diagram of the overall structure of the driver component in one or more embodiments of this specification;

[0033] Figure 5 This is a schematic diagram of the overall structure of the locking mechanism in one or more embodiments of this specification.

[0034] The numbers on the map are:

[0035] 1-Workbench;

[0036] 2-Oil storage tank; 21-Oil drain pipe; 22-Threaded rod; 23-Limit rod; 24-Oil scraper; 25-Motor;

[0037] 3-Hydraulic cylinder; 31-Inlet pipe; 32-Outlet pipe; 33-Fixing plate; 34-Water level gauge; 35-Switch handle;

[0038] 4-Driver; 41-Piston; 42-Electric push rod; 43-Scale markings;

[0039] 5-Electric telescopic frame; 51-Moving component; 52-Slider; 53-Slide rail;

[0040] 6-Locking mechanism; 61-Material plate; 62-First arc groove; 63-Clamping plate; 64-Second arc groove. Detailed Implementation

[0041] To make the objectives, technical solutions, and advantages of this disclosure clearer, the following detailed description is provided in conjunction with specific embodiments.

[0042] It should be noted that, unless otherwise defined, the technical or scientific terms used in one or more embodiments of this specification should have the ordinary meaning understood by one of ordinary skill in the art to which this disclosure pertains. The terms "first," "second," and similar words used in one or more embodiments of this specification do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0043] Please see Figures 1 to 5 As shown, a hydraulic cylinder oil leakage and stroke detection device includes:

[0044] Workbench 1, with an oil storage tank 2 on its top;

[0045] A hydraulic cylinder 3 is disposed at one end of the oil storage tank 2, and the end of the hydraulic cylinder 3 away from the oil storage tank 2 is provided with an oil inlet pipe 31 and an oil outlet pipe 32.

[0046] A driving component 4 is disposed between the oil storage tank 2 and the hydraulic cylinder 3, and a piston 41 is provided at one end of the driving component 4, and the piston 41 is disposed inside the hydraulic cylinder 3;

[0047] Two electric telescopic frames 5, one of which is located at one end of the oil storage tank 2 near the hydraulic cylinder 3, and the other electric telescopic frame 5 is provided with a movable component 51 between it and the workbench 1;

[0048] Two locking mechanisms 6 are respectively installed on one of the electric telescopic frames 5.

[0049] The movable component 51 drives the electric telescopic frame 5 to move and adjust the fixed position of the hydraulic cylinder. The locking mechanism 6 fixes the hydraulic cylinder on the electric telescopic frame 5. Oil is injected into the hydraulic cylinder 3 through the oil inlet pipe 31 until it is full. The driving component 4 drives the piston 41 to move. The piston 41 squeezes the oil in the hydraulic cylinder 3 and transmits it to the hydraulic cylinder through the oil outlet pipe 32, so that the hydraulic cylinder can operate normally. The part of the hydraulic cylinder that extends out is above the oil storage tank 2. When the hydraulic cylinder reaches its stroke, the length of the hydraulic cylinder 3 squeezed by the driving component 4 is the stroke distance of the hydraulic cylinder. When the hydraulic cylinder leaks oil, the leaked oil drips directly into the oil storage tank 2 for collection. This solves the problem that the detection of oil leakage and stroke of the hydraulic cylinder needs to be carried out separately, and realizes the problem of simultaneously detecting whether the hydraulic cylinder is leaking oil and the hydraulic cylinder stroke.

[0050] As an optional embodiment, the oil storage tank 2 is provided with an oil drain pipe 21 at the end away from the hydraulic cylinder 3.

[0051] By installing an oil drain pipe 21 on the oil storage tank 2, the leaking oil collected in the oil storage tank 2 can be easily discharged, solving the problem of inconvenient handling of leaking oil collected in the oil storage tank 2, and realizing the function of draining leaking oil in the oil storage tank 2.

[0052] As an optional embodiment, the oil storage tank 2 is provided with an oil discharge mechanism, which includes:

[0053] The threaded rod 22 is inserted inside the oil storage tank 2;

[0054] A limiting rod 23 is inserted inside the oil storage tank 2, and the limiting rod 23 and the threaded rod 22 are symmetrically distributed.

[0055] The oil scraper 24 is sleeved on the threaded rod 22 and the limiting rod 23, and the oil scraper 24 is threadedly connected to the threaded rod 22;

[0056] The motor 25 is located on one side of the oil storage tank 2, and the output shaft of the motor 25 is connected to one end of the threaded rod 22 for transmission.

[0057] The motor 25 drives the threaded rod 22 to rotate, which in turn drives the scraper 24 to move. The limit rod 23 prevents the scraper 24 from rotating with the threaded rod 22 during the movement. The scraper 24 pushes the leaking oil in the oil storage tank 2 to the drain pipe 21 for discharge, thereby greatly improving the speed at which the oil storage tank 2 can handle oil leaks. This solves the problem of slow and ineffective discharge of oil from the oil storage tank 2 through the drain pipe 21, and achieves rapid handling of oil leaks.

[0058] As an optional embodiment, each side of the hydraulic cylinder 3 is provided with a fixing plate 33, and the fixing plate 33 is fixedly connected to the workbench 1.

[0059] By fixing the hydraulic cylinder 3 to the fixed plate 33, the hydraulic cylinder 3 can rotate or move during the process of the piston 41 being moved by the driving component 4. This solves the problem that the hydraulic cylinder 3 rotates or moves during the process of the piston 41 being moved by the driving component 4, and eliminates the problem that the hydraulic cylinder 3 cannot rotate or move.

[0060] As an optional embodiment, a water level gauge 34 is vertically provided on the outer circumference of the hydraulic cylinder 3.

[0061] When the hydraulic cylinder 3 is full of oil, the oil inlet pipe 31 continues to add oil, causing the oil to be directly delivered from the oil outlet pipe 32 into the cylinder, thus driving the cylinder to work. This results in the drive component 4 measuring the cylinder stroke distance as too small. When the hydraulic cylinder 3 is not full of oil, the drive component 4 drives the piston 41 to move, and the piston 41 pushes the oil to move until the oil can be delivered from the oil outlet pipe 32 into the cylinder. At this time, the drive component 4 has reached its position, but the cylinder stroke has not ended, resulting in the drive component 4 measuring the cylinder stroke distance as too large. By setting a water level gauge 34, when the hydraulic cylinder 3 is full of oil, the alarm line of the water level gauge 34 is reached. The water level gauge 34 transmits the information that the hydraulic cylinder 3 is full of oil to the operator, thereby reminding the operator to close the oil inlet pipe 31 to stop adding oil. This solves the problem of not being able to know whether the hydraulic cylinder 3 is full of oil and enables timely detection of whether the hydraulic cylinder 3 is full of oil.

[0062] As an optional embodiment, the oil inlet pipe 31 is provided with a switch handle 35.

[0063] By setting a switch handle 35 on the oil inlet pipe 31, the oil inlet pipe 31 can be quickly closed when the hydraulic cylinder 3 is full, thus solving the problem that some oil continues to be delivered to the hydraulic cylinder 3 even if the oil inlet pipe 31 is not closed in time. This achieves the problem of conveniently and quickly closing the oil inlet pipe 31 for oil filling.

[0064] As an optional embodiment, the driving component 4 is an electric push rod 42, which is fixedly mounted on the worktable 1. The output shaft of the electric push rod 42 passes through the hydraulic cylinder 3, and the piston 41 is fixedly mounted on the output shaft of the electric push rod 42.

[0065] As an optional embodiment, the output shaft of the electric push rod 42 is provided with a plurality of scale marks 43, and the distance between each scale mark 43 is the same.

[0066] For example, the driving component 4 here is an electric push rod 42, and the distance between each scale mark 43 is 5mm. By setting scale marks 43 on the output shaft of the electric push rod 42, the electric push rod 42 drives the piston 41 to move, and the piston 41 pushes the oil to move into the oil cylinder. When the oil cylinder reaches the end of its stroke, the scale mark 43 displayed on the hydraulic cylinder 3 by the output shaft of the electric push rod 42 is the stroke distance of the oil cylinder. This solves the problem of manually marking and calculating the stroke distance of the oil cylinder, and realizes the problem of directly reading the stroke distance of the oil cylinder.

[0067] As an optional embodiment, the active component 51 includes:

[0068] The slider 52 is fixedly installed at the bottom of the electric telescopic frame 5;

[0069] The slide rail 53 is fixedly mounted on the worktable 1 and is inserted into the slider 52.

[0070] The electric telescopic frame 5 is moved on the slide rail 53 by the slider 52, so that the locking mechanism 6 can be adjusted and fixed according to the hydraulic cylinder of different sizes. This solves the problem that the locking mechanism 6 cannot lock according to the hydraulic cylinder of different sizes, and realizes that hydraulic cylinders of different sizes can be fixed.

[0071] As an optional embodiment, the locking mechanism 6 includes:

[0072] The material plate 61 has a first arc-shaped groove 62 on its top, and the material plate 61 is fixedly mounted on the sleeve of the electric telescopic frame 5.

[0073] The clamping plate 63 has a second arc-shaped groove 64 at its bottom, and the clamping plate 63 is fixedly mounted on the telescopic rod of the electric telescopic frame 5.

[0074] The first arc groove 62 prevents the hydraulic cylinder from rotating on the material plate 61. The telescopic rod of the electric telescopic frame 5 drives the clamping plate 63 to move, and the clamping plate 63 squeezes the hydraulic cylinder. The second arc groove 64 cooperates with the first arc groove 62 to fix the hydraulic cylinder stably on the material plate 61, which solves the problem that the hydraulic cylinder cannot be fixed and moves during operation, and realizes the problem of fixing the hydraulic cylinder so that it cannot move.

[0075] This invention primarily utilizes a slider 52 to move an electric telescopic frame 5 along a slide rail 53, adjusting the fixed position of the hydraulic cylinder. A first arc-shaped groove 62 prevents the cylinder from rotating on the loading plate 61. The telescopic rod of the electric telescopic frame 5 moves the clamping plate 63, which then presses against the cylinder. A second arc-shaped groove 64 engages with the first arc-shaped groove 62, ensuring the cylinder is stably fixed on the loading plate 61. Oil is injected into the hydraulic cylinder 3 through the inlet pipe 31 until full. An electric push rod 42 moves the piston 41, which in turn presses the oil in the hydraulic cylinder 3, transferring it through the outlet pipe 32 to the cylinder for normal operation. The extended portion of the cylinder is positioned above the oil storage tank 2. When the cylinder reaches its stroke limit, the output shaft of the electric push rod 42 has a scale mark 43. The length of the electric push rod 42 extending into the hydraulic cylinder 3 is the stroke distance of the cylinder, which can be read directly. When the cylinder leaks oil, the leaked oil drips directly into the oil storage tank 2 for collection. The motor 25 drives the threaded rod 22 to rotate, which in turn drives the scraper 24 to move. The limit rod 23 prevents the scraper 24 from rotating with the threaded rod 22 during the movement. The scraper 24 pushes the leaking oil in the oil storage tank 2 to the drain pipe 21 for discharge. This solves the problem that the detection of cylinder leakage and stroke needs to be carried out separately, and realizes the problem of simultaneously detecting whether the cylinder is leaking oil and the cylinder stroke.

[0076] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to imply that the scope of this disclosure (including the claims) is limited to these examples; within the framework of this disclosure, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of different aspects of one or more embodiments of this specification as described above, which are not provided in detail for the sake of brevity.

[0077] Additionally, to simplify the description and discussion, and to avoid obscuring one or more embodiments of this specification, the provided drawings may or may not show well-known power / ground connections to integrated circuit (IC) chips and other components. Furthermore, the apparatus may be shown in block diagram form to avoid obscuring one or more embodiments of this specification, and this also takes into account the fact that the details of implementation of these block diagram apparatuses are highly dependent on the platform on which one or more embodiments of this specification will be implemented (i.e., these details should be fully understood by those skilled in the art). While specific details (e.g., circuits) have been set forth to describe exemplary embodiments of this disclosure, it will be apparent to those skilled in the art that one or more embodiments of this specification may be implemented without these specific details or with variations thereof. Therefore, these descriptions should be considered illustrative rather than restrictive.

[0078] One or more embodiments of this specification are intended to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of one or more embodiments of this specification should be included within the scope of protection of this disclosure.

Claims

1. A device for detecting oil leakage and stroke of a hydraulic cylinder, characterized in that, include: A workbench (1) with an oil storage tank (2) on its top; A hydraulic cylinder (3) is provided on one side of the oil storage tank (2), and an oil inlet pipe (31) and an oil outlet pipe (32) are provided at the end of the hydraulic cylinder (3) away from the oil storage tank (2). A drive unit (4) is disposed between the oil storage tank (2) and the hydraulic cylinder (3), and a piston (41) is provided at one end of the drive unit (4), and the piston (41) is disposed inside the hydraulic cylinder (3); Two electric telescopic frames (5), one of which is located at one end of the oil storage tank (2) near the hydraulic cylinder (3), and the other electric telescopic frame (5) is provided with a movable component (51) between it and the workbench (1). Two locking mechanisms (6) are respectively installed on one of the electric telescopic frames (5); A water level gauge (34) is vertically mounted on the outer circumference of the hydraulic cylinder (3); The oil inlet pipe (31) is equipped with a switch handle (35); The driving component (4) is an electric push rod (42), which is fixedly mounted on the worktable (1). The output shaft of the electric push rod (42) passes through the hydraulic cylinder (3), and the piston (41) is fixedly mounted on the output shaft of the electric push rod (42). The output shaft of the electric push rod (42) is provided with several scale marks (43), and the distance between each scale mark (43) is the same.

2. The hydraulic cylinder oil leakage and stroke detection device according to claim 1, characterized in that, The oil storage tank (2) is provided with an oil drain pipe (21) at the end away from the hydraulic cylinder (3).

3. The hydraulic cylinder oil leakage and stroke detection device according to claim 1, characterized in that, The oil storage tank (2) is equipped with an oil discharge mechanism, which includes: A threaded rod (22) is inserted inside the oil storage tank (2); A limiting rod (23) is inserted inside the oil storage tank (2), and the limiting rod (23) and the threaded rod (22) are symmetrically distributed. The oil scraper (24) is sleeved on the threaded rod (22) and the limiting rod (23), and the oil scraper (24) is threadedly connected to the threaded rod (22); A motor (25) is located on one side of the oil storage tank (2), and the output shaft of the motor (25) is connected to one end of the threaded rod (22) for transmission.

4. The hydraulic cylinder oil leakage and stroke detection device according to claim 1, characterized in that, Each hydraulic cylinder (3) is provided with a fixing plate (33) on its side, and the fixing plate (33) is fixedly connected to the workbench (1).

5. The hydraulic cylinder oil leakage and stroke detection device according to claim 1, characterized in that, The active component (51) includes: The slider (52) is fixedly installed at the bottom of the electric telescopic frame (5); The slide rail (53) is fixedly installed on the worktable (1), and the slide rail (53) is inserted into the slider (52).

6. The hydraulic cylinder oil leakage and stroke detection device according to claim 1, characterized in that, The locking mechanism (6) includes: The material plate (61) has a first arc groove (62) on its top, and the material plate (61) is fixedly installed on the sleeve of the electric telescopic frame (5); The clamping plate (63) has a second arc-shaped groove (64) at its bottom, and the clamping plate (63) is fixedly mounted on the telescopic rod of the electric telescopic frame (5).

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