Detection device for hydraulic cylinder sealing element production

Abstract

The utility model discloses a detection device for hydraulic cylinder sealing element production, which comprises a carrier plate, the upper surface of the carrier plate is fixedly connected with a supporting box, the upper surface of the supporting box is provided with an annular placing groove, a sealing performance detection assembly is arranged above the carrier plate, a group of heating wires arranged at equal intervals are mounted in the supporting box, and the annular placing groove is formed in the upper surface of the supporting box. Annular semiconductor chilling plates are embedded in the outer surface of the supporting box, and a control panel is arranged on the carrier plate. According to the device, the sealing performance detection of the O-shaped rubber sealing ring can be completed through the arranged sealing performance detection assembly, and the interior of the supporting box can be heated or refrigerated by utilizing the heating wire and the semiconductor chilling plate through the cooperation of the supporting box, the heating wire, the semiconductor chilling plate and the temperature sensor; therefore, the working states of the O-shaped rubber sealing ring in different environments can be simulated, and the accuracy of the sealing performance detection result is further ensured.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of hydraulic cylinder seal detection, in particular to a detection device for hydraulic cylinder seal production. BACKGROUND

[0002] As a key component of a hydraulic cylinder, a hydraulic cylinder seal plays a vital role in a hydraulic system. An O-shaped rubber seal ring is the most common one, which has a circular cross section and relies on its good elasticity to fill a sealing gap after being compressed to prevent hydraulic oil leakage.

[0003] The current detection device cannot simulate the sealing effect of the O-shaped rubber seal ring at different temperatures when in use, so that the behavior of the seal ring in a high-temperature or low-temperature environment cannot be accurately predicted, thereby affecting the detection result. Therefore, the detection device for hydraulic cylinder seal production is proposed to solve the above problems. CONTENT OF THE UTILITY MODEL

[0004] The application aims to provide a detection device for hydraulic cylinder seal production to solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A detection device for hydraulic cylinder seal production, comprising a carrier plate, the upper surface of the carrier plate is fixedly connected with a support box, the upper surface of the support box is provided with an annular placement groove, the upper surface of the carrier plate is provided with a sealing detection assembly, the inside of the support box is installed with a group of heating wires arranged at equal distances, the outer surface of the support box is inlaid with semiconductor refrigerating sheets arranged in a ring shape, the carrier plate is provided with a control panel, and the control panel is electrically connected with the heating wires and the semiconductor refrigerating sheets through wires, and the inside of the support box is installed with a temperature sensor.

[0007] In a further embodiment, the sealing detection assembly comprises a hanging plate installed on the upper surface of the carrier plate, the bottom surface of the top end of the hanging plate is installed with an electric push rod, and the telescopic end of the electric push rod is installed with a sealing cylinder.

[0008] In a further embodiment, the sealing detection assembly further comprises a booster pump installed on the upper surface of the carrier plate, the output end of the booster pump is communicated with a telescopic pipe, the output end of the telescopic pipe is communicated with a connecting pipe, and the output end of the connecting pipe is communicated with the upper surface of the sealing cylinder.

[0009] In a further embodiment, the sealing detection assembly further comprises a booster pump installed on the upper surface of the carrier plate, the output end of the booster pump is communicated with a telescopic pipe, the output end of the telescopic pipe is communicated with a connecting pipe, and the output end of the connecting pipe is communicated with the upper surface of the sealing cylinder.

[0010] In further embodiments, the inner wall of the sealing cylinder is provided with a second pressure sensor, and the top of the sealing cylinder is communicated with a pressure relief valve.

[0011] In further embodiments, the bottom surface of the carrier plate is fixedly connected with annularly arranged supporting legs, and the bottom end of each supporting leg is fixedly connected with a base.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The sealing property detection assembly is arranged, the sealing property of the O-shaped rubber sealing ring can be detected, the supporting box, the heating wire, the semiconductor refrigerating sheet and the temperature sensor are matched, the supporting box is heated or refrigerated by the heating wire and the semiconductor refrigerating sheet, the working state of the O-shaped rubber sealing ring in different environments can be simulated, and the accuracy of the sealing property detection result is further ensured. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a schematic diagram of the three-dimensional structure of the detection device for hydraulic cylinder sealing element production.

[0015] Fig. 2 It is a schematic diagram of the three-dimensional structure of the detection cylinder of the detection device for hydraulic cylinder sealing element production.

[0016] Fig. 3 It is a schematic diagram of the three-dimensional structure of the supporting box of the detection device for hydraulic cylinder sealing element production.

[0017] In the drawing: 1, carrier plate; 2, supporting box; 3, sealing property detection assembly; 301, hanging plate; 302, electric push rod; 303, sealing cylinder; 304, booster pump; 305, telescopic pipe; 306, connecting pipe; 307, detection cylinder; 308, annular sealing gasket; 309, first pressure sensor; 310, second pressure sensor; 311, pressure relief valve; 4, supporting leg; 5, annular placement groove; 6, heating wire; 7, semiconductor refrigerating sheet; 8, temperature sensor. DETAILED DESCRIPTION

[0018] In the description of the utility model, it should be explained that, unless there is definite provision and limitation, the terms "installation", "connection", "connection" should be understood broadly, for example, it can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through intermediate medium, can be the communication of two elements inside. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0019] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, apparently, the described embodiment is only a part of the embodiment of the utility model, and is not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.

[0020] Please refer to Figs. 1-3 In the utility model, a detection device for hydraulic cylinder sealing piece production, including the carrier plate 1, the upper surface of carrier plate 1 is fixedly connected with support box 2, the upper surface of support box 2 is provided with annular placement groove 5, O type rubber sealing ring can be placed using annular placement groove 5.

[0021] The bottom surface of carrier plate 1 is fixedly connected with annularly arranged supporting leg 4, the bottom end of each supporting leg 4 is fixedly connected with base, supporting leg 4 can be used to stably support carrier plate 1, so that carrier plate 1 can be kept in stable state.

[0022] The upper portion of carrier plate 1 is provided with sealing detection assembly 3, sealing detection assembly 3 includes hanger plate 301 installed on the upper surface of carrier plate 1, the bottom surface of the top end of hanger plate 301 is provided with electric push rod 302, the telescopic end of electric push rod 302 is provided with sealing cylinder 303, sealing cylinder 303 will descend to the inside of annular placement groove 5 and seal with O type rubber sealing ring by the extension of electric push rod 302.

[0023] Sealing detection assembly 3 further includes booster pump 304 installed on the upper surface of carrier plate 1, the output end of booster pump 304 is communicated with telescopic pipe 305, the output end of telescopic pipe 305 is communicated with connecting pipe 306, the output end of connecting pipe 306 is communicated with the upper surface of sealing cylinder 303, by the work of booster pump 304, gradually pressurize the inside of sealing cylinder 303 from telescopic pipe 305 and connecting pipe 306, which is beneficial to subsequent detection of sealing effect.

[0024] The outer surface of sealing cylinder 303 is fixedly connected with detection cylinder 307, the bottom surface of detection cylinder 307 is provided with annular sealing pad 308, the inner wall of detection cylinder 307 is provided with first pressure sensor 309, sealing cylinder 303 will also drive detection cylinder 307 to descend when descending, annular sealing pad 308 will contact with the upper surface of support box 2, to ensure that detection cylinder 307 is in sealed state, and first pressure sensor 309 will detect the pressure inside detection cylinder 307, if the detected pressure value gradually increases, it indicates that O type rubber sealing ring is not tightly sealed.

[0025] The inner wall of the sealing cylinder 303 is provided with a second pressure sensor 310, and the top of the sealing cylinder 303 is communicated with a pressure relief valve 311. When the sealing effect of the O-shaped rubber sealing ring is good, the second pressure sensor 310 can monitor the air pressure in the sealing cylinder 303 in real time. Once the set value of the second pressure sensor 310 is reached, the pressure relief valve 311 will automatically open to release pressure.

[0026] A group of heating wires 6 are arranged at equal distances in the inside of the support box 2, and a plurality of semiconductor refrigeration pieces 7 are inlaid on the outer surface of the support box 2 in a ring shape. A control panel is arranged on the carrier plate 1 and is electrically connected to the heating wires 6 and the semiconductor refrigeration pieces 7 through wires. A temperature sensor 8 is arranged in the inside of the support box 2. The heating wires 6 and the semiconductor refrigeration pieces 7 can be controlled to work through the control panel, so that the temperature in the inside of the support box 2 can be adjusted, the working state of the O-shaped rubber sealing ring in different environments can be simulated, the accuracy of the detection result is further ensured, and the temperature in the inside of the support box 2 can be known by the staff through the temperature sensor 8, which is beneficial to more accurate adjustment of the temperature.

[0027] The working principle of the present application is that: when in use, the O-shaped rubber sealing ring is first placed in the annular placing groove 5, then the electric push rod 302 is started to extend and push the sealing cylinder 303, the sealing cylinder 303 is lowered to be in close contact with the O-shaped rubber sealing ring, then the booster pump 304 is controlled to work, gas is injected into the sealing cylinder 303, the air pressure in the sealing cylinder 303 gradually increases, when the first pressure sensor 309 detects that the pressure in the detection cylinder 307 increases, it indicates that the sealing effect of the O-shaped rubber sealing ring is poor, at the same time, when the pressure value in the sealing cylinder 303 reaches the set pressure value of the second pressure sensor 310, the pressure relief valve 311 is automatically opened to release pressure, and the working state of the O-shaped rubber sealing ring in different environments can be simulated by controlling the heating wires 6 and the semiconductor refrigeration pieces 7, so as to further ensure the detection effect.

[0028] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A testing device for the production of hydraulic cylinder seals, characterized in that: The system includes a carrier plate (1), a support box (2) fixedly connected to the upper surface of the carrier plate (1), an annular placement groove (5) opened on the upper surface of the support box (2), a sealing detection component (3) is provided above the carrier plate (1), a set of equally spaced heating wires (6) are installed inside the support box (2), annularly arranged semiconductor cooling chips (7) are embedded on the outer surface of the support box (2), a control panel is provided on the carrier plate (1), and the control panel is electrically connected to the heating wires (6) and the semiconductor cooling chips (7) through wires, and a temperature sensor (8) is installed inside the support box (2).

2. The testing device for hydraulic cylinder seal production according to claim 1, characterized in that: The sealing test assembly (3) includes a hanging plate (301) installed on the upper surface of the carrier plate (1), an electric push rod (302) is installed on the bottom surface of the top of the hanging plate (301), and a sealing cylinder (303) is installed on the telescopic end of the electric push rod (302).

3. The testing device for hydraulic cylinder seal production according to claim 1, characterized in that: The sealing test assembly (3) also includes a booster pump (304) installed on the upper surface of the carrier plate (1). The output end of the booster pump (304) is connected to a telescopic pipe (305), and the output end of the telescopic pipe (305) is connected to a connecting pipe (306). The output end of the connecting pipe (306) is connected to the upper surface of the sealing cylinder (303).

4. The testing device for hydraulic cylinder seal production according to claim 2, characterized in that: The outer surface of the sealing cylinder (303) is fixedly connected to the detection cylinder (307), the bottom surface of the detection cylinder (307) is provided with an annular sealing gasket (308), and the inner wall of the detection cylinder (307) is equipped with a first pressure sensor (309).

5. The testing device for hydraulic cylinder seal production according to claim 2, characterized in that: The inner wall of the sealing cylinder (303) is equipped with a second pressure sensor (310), and the top of the sealing cylinder (303) is connected to a pressure relief valve (311).

6. The testing device for hydraulic cylinder seal production according to claim 1, characterized in that: The bottom surface of the carrier plate (1) is fixedly connected with a ring of supporting legs (4), and each supporting leg (4) is fixedly connected with a base at its bottom end.

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