Pressure device of safety mechanism
By designing the pressure device of the insurance mechanism, using liquid pressure to simulate different environments, the precise detection of the insurance mechanism is achieved, and the problems of inaccurate and time-consuming detection in the prior art are solved, fault identification efficiency and detection accuracy are improved, and cost is reduced.
Patent Information
- Application Number
- CN202421842568.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-01
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2034-08-01
AI Technical Summary
In the prior art, the inspection of insurance institutions is limited to pre-factory batch inspection and system joint inspection during use, resulting in difficulty in positioning the fault, repair or replacement of the entire machine, which is time-consuming and labor-intensive, and inaccurate inspection, which affects the task progress and cost.
A pressurization device for the insurance mechanism is designed to inject liquid into the pressurized tank by reverse assembly and injection of liquid into the pressurized tank, and the piston is used to transmit liquid pressure, simulating the action performance of the insurance mechanism under different depth environments to achieve accurate detection.
It improves the fault identification efficiency of insurance institutions, reduces the cost of protection, enhances the accuracy and reliability of detection, and ensures mobility and stability.
Smart Images
Figure CN223077861U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of mechanical detection, in particular to a pressurizing device for a safety mechanism. Background Art
[0002] The safety mechanism is a very important component in the safety design of product development. Its reliability is related to the orderliness, accessibility and reliability of product tasks, especially obvious in multi-stage structures. Therefore, it is necessary to monitor the performance of the product safety mechanism during its service life.
[0003] The existing technology for detecting the safety mechanism in products is limited to batch inspection before leaving the factory, system joint inspection during use, and whole machine return to the factory for repair or whole machine replacement after fault location. All the above-mentioned guarantee measures are time-consuming and laborious, and will bring problems such as increased procurement costs or delays in immediate tasks.
[0004] In view of the above problems in the prior art, there is currently no effective solution. Summary of the Utility Model
[0005] To solve the above problems, the utility model provides a pressurizing device for a safety mechanism. Through the reverse assembly of the safety mechanism, a certain amount of water is added into the tank body of the pressurizing tank, and by using the liquid pressure transmission characteristic of the piston, the action performance test of the safety mechanism under different depth requirements is realized, so as to solve the problems that the safety mechanism in the prior art is difficult to accurately detect and inconvenient to detect.
[0006] To achieve the above object, the utility model provides a pressurizing device for a safety mechanism, including: a support frame, an accommodating cavity is arranged inside the support frame; a tank body, a part of the tank body is arranged in the accommodating cavity, and the other part protrudes from the top of the support frame. The tank body includes an installation cavity opened at the top and a sealing cavity and a piston cavity oppositely opened at the bottom side of the installation cavity. The installation cavity is communicated with the sealing cavity and both are filled with liquid. A clamping step is arranged between the sealing cavity and the piston cavity, and a sealing cover is connected to the opening of the sealing cavity; a piston assembly, one end of the piston assembly is arranged in the piston cavity, the other end is connected with a handwheel, and a sealing assembly and a liner are sleeved outside. The sealing assembly is arranged at the clamping step; a pressure gauge, the pressure gauge is installed on the top of the support frame, and the interface of the pressure gauge is connected with the interface of the sealing cavity through a high-pressure pipe; a transition plate, one side of the transition plate is connected to the opening step of the installation cavity, and the other side is connected with a safety mechanism to be tested. The safety mechanism to be tested is pressed tightly by a pressing ring sleeved on the outside.
[0007] Further optionally, a first sealing ring is arranged between the transition plate and the safety mechanism to be tested; a second sealing ring is arranged between the transition plate and the opening step.
[0008] Further optionally, the sealing cover presses the third sealing ring against the end of the sealing cavity.
[0009] Further optionally, a lead screw is provided. A nut and a piston rod are sequentially arranged on the outer side of the lead screw near one end. The screw sequentially passes through the piston rod and the nut to be connected to the lead screw; a first bearing, a bearing seat, a second bearing, a first nut and a second nut are sleeved on the outer side of the lead screw near the other end, and a hand wheel is connected to the end. A gland is further provided on the outer sides of the first bearing, the second bearing and the bearing seat.
[0010] Further optionally, a high-pressure needle valve is provided at the bottom of the tank body, and the high-pressure needle valve communicates with the sealing cavity.
[0011] Further optionally, the tank body and the support frame are fixedly connected by bolts.
[0012] Further optionally, the sealing cover is fixedly connected to the tank body by screws.
[0013] Further optionally, a platen is provided at the top of the support frame.
[0014] Further optionally, a storage box is provided at the bottom of the support frame.
[0015] Further optionally, universal wheels are provided at the bottom of the support frame; a push rod is movably connected to the side surface of the support frame.
[0016] The above technical solution has the following beneficial effects: By means of the pure mechanical and piston mechanism movement principles, the problem of mobile detection of the key components of the system is solved; the structure is classic and simple, with good functionality and strong mobility guarantee; the fault identification efficiency of the key component insurance assembly is improved, the guarantee cost is reduced, the detection accuracy is improved, the technical state is stable and reliable, and the effect is good. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.
[0018] Figure 1 is a schematic cross-sectional structure diagram of the insurance mechanism pressurizing device provided by the embodiment of the present invention;
[0019] Figure 2 is a three-dimensional view of the insurance mechanism pressurizing device provided by the embodiment of the present invention;
[0020] Figure 3It is a schematic structural diagram of the piston assembly provided by an embodiment of the present utility model.
[0021] Reference numerals: 1 - platen; 2 - support frame; 3 - piston assembly; 301 - first nut; 302 - second nut; 303 - gland; 304 - second bearing; 305 - bearing seat; 306 - first bearing; 307 - first screw; 308 - nut; 309 - lead screw; 310 - piston rod; 4 - pressure gauge; 5 - high-pressure pipe; 6 - storage box; 7 - handwheel; 8 - sealing cover; 9 - pressure ring; 10 - tank body; 11 - first sealing ring; 12 - second sealing ring; 13 - transition plate; 14 - screw cup; 15 - third sealing ring; 16 - sealing assembly; 17 - high-pressure needle valve; 18 - push rod; 19 - bolt; 20 - universal wheel; 21 - insurance mechanism to be tested; 22 - liquid; 23 - liner; 24 - second screw. Detailed implementation manners
[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0023] To solve the problems of inconvenient detection and inaccurate detection of the insurance mechanism in the prior art, an embodiment of the present utility model provides an insurance mechanism pressurizing device. Figure 1 It is a schematic sectional structure diagram of the insurance mechanism pressurizing device provided by an embodiment of the present utility model. As Figure 1 shown, the device includes: a support frame 2, and an accommodation cavity is provided inside the support frame 2; a tank body 10, a part of the tank body 10 is arranged in the accommodation cavity, and the other part protrudes from the top of the support frame 2. The tank body 10 includes an installation cavity opened at the top and a sealing cavity and a piston cavity oppositely opened at the bottom side of the installation cavity. The installation cavity is communicated with the sealing cavity and both are filled with liquid 22. A clamping step is provided between the sealing cavity and the piston cavity, and a sealing cover 8 is connected to the opening of the sealing cavity; a piston assembly 3, one end of the piston assembly 3 is arranged in the piston cavity, the other end is connected with a handwheel 7, and a sealing assembly 16 and a liner 23 are sleeved outside. The sealing assembly 16 is arranged at the clamping step; a pressure gauge 4, the pressure gauge 4 is installed on the top of the support frame 2, and the interface of the pressure gauge 4 is connected to the interface of the sealing cavity through a high-pressure pipe 5; a transition plate 13, one side of the transition plate 13 is connected to the opening step of the installation cavity, and the other side is connected to the insurance mechanism 21 to be tested, and the insurance mechanism 21 to be tested is pressed tightly by a pressure ring 9 sleeved on the outside.
[0024] As Figure 2 shown, the support frame 2 of the device is a box structure in the shape of a cuboid. In combinationFigure 1 It can be seen that there is an accommodation cavity inside. Part of the tank body 10 is arranged in the accommodation cavity, and the other part protrudes from the top of the support frame 2. The top of the tank body 10 is open and communicates with a vertically arranged installation cavity. The two sides of the tank body 10 near the bottom are also respectively open. One side opening communicates with a sealing cavity, and the other side opening communicates with a piston cavity. Among them, an opening step is provided at the top of the installation cavity, and the installation cavity communicates with the sealing cavity through a hole. The sealing cavity and the piston cavity are arranged opposite to each other, and a clamping step also protrudes at the connection between the sealing cavity and the piston cavity. The opening of the sealing cavity is sealed by a sealing cover 8. During detection, a certain amount of liquid 22 (water in this embodiment) needs to be injected into the installation cavity and the sealing cavity to simulate different usage environments of the insurance mechanism to be detected.
[0025] A pressure gauge 4 is provided at the top of the support frame 2. The pressure gauge 4 is connected to the sealing cover 8 through a high-pressure pipe 5 for real-time measurement of the pressure in the cavity. Sealing gaskets are provided at both ends of the high-pressure pipe 5 to improve the sealing performance.
[0026] Part of the piston assembly 3 is arranged in the piston cavity. One end extends into the piston cavity and enters the communication hole formed by the clamping step, and the other end is located outside the piston cavity and is connected to a handwheel 7. And a sealing assembly 16 and a bush 23 are successively installed in the piston cavity. Preferably, the sealing assembly 16 includes a gasket and a washer. The gasket abuts against the clamping step, and the washer abuts against the outside of the gasket. Then the piston assembly 3 is inserted. The handwheel 7 can control the rotation of the piston assembly 3 to pressurize the cavity.
[0027] The transition plate 13 is used to receive the insurance mechanism 21 to be detected and the tank body 10. Specifically, one side of the transition plate 13 is connected to the insurance mechanism 21 to be detected, and the other side is pressed against the opening step of the tank body 10. A pressure ring 9 is sleeved outside the insurance mechanism 21 to provide a pressing force. During measurement, the insurance mechanism 21 to be detected is assembled in the reverse direction to adapt to the simulated environment.
[0028] As an alternative implementation, as Figure 1 shown, a first sealing ring 11 is provided between the transition plate 13 and the insurance mechanism 21 to be detected; a second sealing ring 12 is provided between the transition plate 13 and the opening step.
[0029] The contact seam between the insurance mechanism 21 to be detected and the transition plate 13 is sealed by the first sealing ring 11, and the contact seam between the transition plate 13 and the opening step is sealed by the sealing ring, so as to ensure the sealing performance inside the tank body 10.
[0030] As an alternative implementation, as Figure 1 shown, the sealing cover 8 presses a third sealing ring 15 at the end of the sealing cavity.
[0031] The sealing cover 8 is sealed at the end of the sealing cavity through the third sealing ring 15, thereby ensuring the sealing performance inside the tank body 10.
[0032] As an alternative embodiment, as Figure 3 shown, the piston assembly 3 includes: a lead screw 309. On the outer side of the lead screw 309 near one end, a nut 308 and a piston rod 310 are successively arranged. The first screw 307 passes through the piston rod 310 and the nut 308 in sequence to connect with the lead screw 309; on the outer side of the lead screw 309 near the other end, a first bearing 306, a bearing seat 305, a second bearing 304, a first nut 301 and a second nut 302 are sleeved. A hand wheel 7 is connected to the end. A gland 303 is also arranged on the outer sides of the first bearing 306, the second bearing 304 and the bearing seat 305.
[0033] As Figure 3 shown, the piston assembly 3 includes a first nut 301, a second nut 302, a gland 303, a first bearing 306, a bearing seat 305, a second bearing 304, a first screw 307, a nut 308, a lead screw 309 and a piston rod 310. Among them, the nut 308 and the piston rod 310 are installed on the lead screw 309 through the first screw 307. On the left side of the lead screw 309, the first bearing 306, the bearing seat 305, the second bearing 304, the gland 303, the second nut 302 and the first nut 301 are successively inserted.
[0034] As an alternative embodiment, a high-pressure needle valve 17 is arranged at the bottom of the tank body 10, and the high-pressure needle valve 17 is communicated with the sealing cavity.
[0035] As Figure 1 shown, a high-pressure needle valve 17 is arranged at the bottom of the tank body 10. The high-pressure needle valve 17 protrudes from the bottom of the support frame 2, and the high-pressure needle valve 17 is communicated with the sealing cavity for fine-tuning the pressure inside the cavity.
[0036] As an alternative embodiment, the tank body 10 and the support frame 2 are fixedly connected through bolts 19.
[0037] As Figure 1 shown, the tank body 10 and the support frame 2 are fixedly connected through a plurality of bolts 19 to ensure the relative position of the tank body 10 in the support frame 2.
[0038] As an alternative embodiment, the sealing cover 8 is fixedly connected to the tank body 10 through the second screw 24.
[0039] As Figure 1 shown, the sealing cover 8 is fixed on the tank body 10 through the second screw 24. Further, to improve the sealing performance, a sealing gasket is arranged at the contact position between the second screw 24 and the sealing cover 8.
[0040] As an alternative embodiment, a platen 1 is provided at the top of the support frame 2.
[0041] As an alternative embodiment, a storage box 6 is provided at the bottom of the support frame 2.
[0042] In this embodiment, a storage box 6 is provided at the bottom of the support frame 2 to increase the storage space for accommodating more relevant tools or parts. Further, as Figure 1 shown, a screw cup 14 is provided at the top of the support frame 2 for accommodating replacement screw parts.
[0043] As an alternative embodiment, universal wheels 20 are provided at the bottom of the support frame 2; a push rod 18 is movably connected to the side of the support frame 2.
[0044] To improve the mobility of the support frame 2, multiple universal wheels 20 are provided at the bottom of the support frame 2 in this embodiment, thus ensuring that the entire device can be moved at any time.
[0045] And a push rod 18 is provided on one side of the support frame 2, and the push rod 18 can cooperate with the universal wheels 20 to push the device for movement.
[0046] The above technical solutions have the following beneficial effects: By the principles of pure mechanical and piston mechanism movement, the problem of mobile detection of key components of the system is solved; the structure is classic and simple, with good functionality and strong mobility; the fault recognition efficiency of the key component insurance assembly is improved, the support cost is reduced, the detection accuracy is improved, the technical state is stable and reliable, and the effect is good.
[0047] The above specific embodiments of the utility model further elaborate on the purpose, technical solutions, and beneficial effects of the utility model. It should be understood that the above content is only the specific embodiments of the utility model and is not used to limit the protection scope of the utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.
Claims
1. An insurance mechanism pressurizing device, characterized in that, Comprising: A support frame, within which there is a receiving cavity; A tank body, a part of which is disposed in the receiving cavity and another part protrudes from the top of the support frame. The tank body includes an installation cavity opened at the top, a sealing cavity and a piston cavity oppositely opened at the bottom side of the installation cavity. The installation cavity is communicated with the sealing cavity and both are filled with liquid. There is a clamping step between the sealing cavity and the piston cavity, and a sealing cover is connected to the opening of the sealing cavity; A piston assembly, one end of which is disposed in the piston cavity, the other end is connected with a hand wheel, and is externally sleeved with a sealing assembly and a liner. The sealing assembly is disposed at the clamping step; A pressure gauge, which is installed on the top of the support frame, and the interface of the pressure gauge is connected to the interface of the sealing cavity through a high-pressure pipe; A transition plate, one side of which is connected to the opening step of the installation cavity, and the other side is connected with a to-be-tested insurance mechanism, and the to-be-tested insurance mechanism is pressed tightly by a pressing ring sleeved on the outside; 2. The insurance mechanism pressurizing device according to claim 1, characterized in that: A first sealing ring is provided between the transition plate and the to-be-tested insurance mechanism; A second sealing ring is provided between the transition plate and the opening step; 3. The insurance mechanism pressurizing device according to claim 1, characterized in that: The sealing cover presses a third sealing ring at the end of the sealing cavity; 4. The pressurizing device for an insurance mechanism according to claim 1, characterized in that, The piston assembly includes: A lead screw, on the outside of which near one end, there are successively a lead nut and a piston rod. A first screw passes through the piston rod and the lead nut in sequence to be connected with the lead screw; On the outside of the lead screw near the other end, there are sleeved a first bearing, a bearing seat, a second bearing, a first nut and a second nut. The end is connected with a hand wheel, and a gland is also provided on the outside of the first bearing, the second bearing and the bearing seat; 5. The insurance mechanism pressurizing device according to claim 1, characterized in that: A high-pressure needle valve is provided at the bottom of the tank body, and the high-pressure needle valve is communicated with the sealing cavity; 6. The insurance mechanism pressurizing device according to claim 1, characterized in that: The tank body and the support frame are fixedly connected by bolts; 7. The insurance mechanism pressurizing device according to claim 1, characterized in that: The sealing cover is fixedly connected to the tank body by a second screw; 8. The insurance mechanism pressurizing device according to claim 1, characterized in that: A platen is provided on the top of the support frame; 9. The insurance mechanism pressurizing device according to claim 1, characterized in that: A storage box is provided at the bottom of the support frame; 10. The insurance mechanism pressurizing device according to claim 1, characterized in that: Universal wheels are provided at the bottom of the support frame; A push rod is movably connected to the side of the support frame.