An explosion-proof oil pipe joint press-fitting device
By introducing a transparent protective cover and an automatic buffer structure into the explosion-proof oil pipe joint press-fitting device, fragments can be monitored and blocked in real time, solving the problem of insufficient protection of existing devices, achieving a balance between safety and efficiency, and improving the safety and reliability of long-term use.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANHU COUNTRY TEJIA HYDRAULIC PRESSURE PIPE CO LTD
- Filing Date
- 2025-08-06
- Publication Date
- 2026-07-28
AI Technical Summary
The pressing area of existing explosion-proof oil pipe joint pressing devices is open or only equipped with simple baffles, which causes fragments to fly at a speed of 20-30m/s, which can easily cause scratches and crushing injuries to operators and is not conducive to long-term use.
An explosion-proof oil pipe joint press-fitting device was designed, which includes a transparent protective cover, an electric push rod, an acoustic detector, and an automatic lifting buffer structure. The device encloses the space through the transparent protective cover, monitors in real time, and forms a buffer barrier with a response time of up to seconds to block debris. At the same time, it precisely controls the press-fitting parameters to reduce the risk of breakage.
It effectively blocks flying debris at speeds of 20-30 m/s, preventing injury to operators and improving long-term safety. It also reduces the risk of pipe breakage by precisely controlling the pressing parameters, achieving a balance between safety and efficiency.
Smart Images
Figure CN224560453U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of hydraulic pipe fitting processing technology, and in particular to an explosion-proof oil pipe joint press-fitting device. Background Technology
[0002] Oil pipe joints are key connecting components in hydraulic transmission systems, and their pressing quality directly affects the system's sealing performance and operational safety.
[0003] However, the pressing area of existing explosion-proof oil pipe joint pressing devices is mostly open or only equipped with simple baffles, without a special protective structure. When the pipe fitting breaks due to material defects or overload, the fragments can fly at a speed of 20-30m / s, which can easily cause scratches and crushing injuries to operators and is not conducive to long-term use.
[0004] Therefore, an explosion-proof oil pipe joint press-fitting device is proposed. Utility Model Content
[0005] The purpose of this utility model is to provide an explosion-proof oil pipe joint press-fitting device, which can solve the problem that the press-fitting area of the existing explosion-proof oil pipe joint press-fitting devices is mostly open or only equipped with simple baffles without special protective structures. When the pipe is broken due to material defects or overload, the fragments can fly at a speed of 20-30m / s, which can easily cause scratches and crushing injuries to the operators and is not conducive to long-term use.
[0006] To achieve the above objectives, this utility model provides the following technical solution: an explosion-proof oil pipe joint press-fitting device, including a workbench, a controller is provided on the right side of the top of the workbench, a press-fitting structure is provided on the top of the workbench, and a protective mechanism is provided on the top of the workbench, with the protective mechanism located outside the press-fitting structure.
[0007] The protective mechanism includes an electric push rod located on the right side of the top of the workbench. The electric push rod is located on the front and rear sides of the right side of the pressing structure. Transparent protective covers are provided on the front and rear sides of the top of the workbench. The transparent protective covers are made of bulletproof polycarbonate material and are located on the outside of the pressing structure. The right side of the transparent protective cover is fixedly connected to the telescopic end of the electric push rod. A semi-circular positioning groove is provided at the bottom of the left side of the transparent protective cover. A sound wave detector is provided on the left side inside the front transparent protective cover. The sound wave detector is electrically connected to the controller. An automatic lifting and buffering structure is provided on the top of the workbench.
[0008] Preferably, the buffer structure includes a recessed groove on the top of the workbench, and an inner buffer frame is slidably connected inside the recessed groove. The inner buffer frame is composed of an outer high-density polyurethane layer and an intermediate layer of steel wire mesh, and the bottom of the inner buffer frame is located inside the workbench.
[0009] Preferably, a support plate is bolted to the bottom of the inner buffer frame, and an electric telescopic rod is bolted to the bottom side inside the workbench. The telescopic end of the electric telescopic rod is fixedly connected to the bottom of the support plate, and the electric telescopic rod is electrically connected to the controller.
[0010] Preferably, rubber buffer columns are fixedly connected to both sides of the bottom of the support plate, and the bottom of the rubber buffer columns is in contact with the bottom side of the inside of the workbench.
[0011] Preferably, the press-fitting structure includes a support plate fixedly connected to the top of the workbench, a hydraulic cylinder bolted to the top of the support plate, the telescopic end of the hydraulic cylinder penetrating through the top of the support plate, the hydraulic cylinder being electrically connected to a controller, a hanging plate fixedly connected to the telescopic end of the hydraulic cylinder, a connecting plate being provided at the bottom of the hanging plate, a pressure sensor being provided between the connecting plate and the hanging plate, and the pressure sensor being electrically connected to the controller.
[0012] Preferably, an upper pressing head is bolted to the bottom of the connecting plate, and a lower pressing head is bolted to the top of the workbench. The lower pressing head is located at the bottom of the upper pressing head, and both the lower pressing head and the upper pressing head are located inside the transparent protective cover.
[0013] Preferably, an auxiliary groove is provided on the left side of the top of the workbench, and sliders are slidably connected to the front and rear sides of the auxiliary groove. The top of the sliders is fixedly connected to the bottom of the transparent protective cover.
[0014] Preferably, a sliding rod is fixedly connected to the top of the hanging plate, and the top of the sliding rod penetrates the top side of the support plate.
[0015] Compared with the prior art, the beneficial effects of this utility model are:
[0016] 1. This application, by setting up a protective mechanism, allows the electric push rods on the front and rear sides to synchronously drive the transparent protective cover to close, forming a closed protective space. The semi-circular positioning groove reserved in the transparent protective cover is adapted to the position of the oil pipe, which not only does not affect the oil pipe and oil pipe joint being placed in the press-fitting structure for press-fitting operations, but also ensures the operator's field of vision. When the acoustic detector detects a cracking noise of ≥100dB during press-fitting, the controller can respond in seconds and control the buffer structure to rise, forming a buffer barrier inside the transparent protective cover, effectively blocking the 20-30m / s flying fragments, avoiding scratches and crushing injuries to the operator, solving the problem of insufficient protection of existing devices, and improving long-term safety.
[0017] 2. This application sets up a controller and a pressing structure. The controller precisely regulates the pressing parameters, reducing the risk of pipe breakage due to material defects or overload from the source. The pressing structure, according to the preset program, precisely controls the pressing force and coaxiality according to the requirements after the oil pipe and the connector are connected. The two work together to achieve dual protection of "prevention + protection", which is suitable for long-term high-frequency use scenarios. Attached Figure Description
[0018] Figure 1 This is an overall structural diagram of the explosion-proof oil pipe joint press-fitting device of this utility model;
[0019] Figure 2 This is a structural diagram of the protection mechanism of this utility model;
[0020] Figure 3 This is a structural diagram of the automatic lifting and buffering structure of this utility model;
[0021] Figure 4 This is a structural diagram of the press-fitting structure of this utility model;
[0022] Figure 5 This is a structural diagram of the transparent protective cover of this utility model.
[0023] In the diagram, 1. Workbench; 2. Controller; 3. Press-fitting structure; 31. Support plate; 32. Hydraulic cylinder; 33. Hanging plate; 34. Connecting plate; 35. Pressure sensor; 36. Upper press-fitting head; 37. Lower press-fitting head; 4. Protection mechanism; 41. Electric push rod; 42. Transparent protective cover; 43. Semi-circular positioning groove; 44. Acoustic wave detector; 45. Automatic lifting buffer structure; 451. Hidden groove; 452. Inner buffer frame; 453. Bearing plate; 454. Electric telescopic rod; 455. Rubber buffer column; 5. Auxiliary groove; 6. Slider; 7. Slide rod. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0025] Please see Figure 1-5 The present invention provides the following technical solution:
[0026] An explosion-proof oil pipe joint pressing device includes a workbench 1, a controller 2 is provided on the right side of the top of the workbench 1, a pressing structure 3 is provided on the top of the workbench 1, and a protective mechanism 4 is provided on the top of the workbench 1, with the protective mechanism 4 located outside the pressing structure 3.
[0027] The protective mechanism 4 includes an electric push rod 41 located on the right side of the top of the workbench 1. The electric push rod 41 is located on the front and rear sides of the right side of the pressing structure 3. Transparent protective covers 42 are provided on the front and rear sides of the top of the workbench 1. The transparent protective covers 42 are made of bulletproof polycarbonate material and are located on the outside of the pressing structure 3. The right side of the transparent protective cover 42 is fixedly connected to the telescopic end of the electric push rod 41. A semi-circular positioning groove 43 is provided at the bottom of the left side of the transparent protective cover 42. A sound wave detector 44 is provided on the left side inside the front transparent protective cover 42. The sound wave detector 44 is electrically connected to the controller 2. An automatic lifting buffer structure 45 is provided on the top of the workbench 1.
[0028] In this embodiment: by setting up a workbench 1, a controller 2, a pressing structure 3, and a protective mechanism 4, the oil pipe and connector to be pressed are fitted together and placed inside the pressing structure 3. The controller 2 drives the front and rear electric push rods 41 to retract synchronously, causing the transparent protective cover 42 to close inward, forming a closed space around the pressing structure 3. At this time, the semi-circular positioning groove 43 on the bottom left side of the transparent protective cover 42 fits against the outer wall of the oil pipe, fixing the position of the oil pipe without affecting the pressing operation, while maintaining a good field of vision to observe the pressing status. After starting the pressing program, the controller 2 adjusts the action of the pressing structure 3 according to preset parameters, accurately applying pressing force to the fitted oil pipe and connector and ensuring coaxiality. The pressing process... In the middle, the acoustic wave detector 44 inside the front transparent protective cover 42 monitors the sound in the area in real time. If an abnormal sound wave of ≥100dB is generated due to the pipe rupture, the acoustic wave detector 44 immediately transmits the signal to the controller 2. The controller 2 triggers the automatic lifting buffer structure 45 to rise within seconds, forming a buffer barrier inside the transparent protective cover 42. Together with the transparent protective cover 42, it blocks the flying debris of 20-30m / s. After the pressing is completed or the abnormality is handled, the controller 2 drives the electric push rod 41 to extend, driving the transparent protective cover 42 to reset, making it easy to remove the workpiece. The whole process achieves the unity of safety and efficiency through the coordinated action of "closed protection + real-time monitoring + rapid buffering + precise pressing".
[0029] Specifically, such as Figure 3 As shown, the buffer structure includes a hidden groove 451 opened on the top of the workbench 1. An inner buffer frame 452 is slidably connected inside the hidden groove 451. The inner buffer frame 452 is made of an outer high-density polyurethane and an intermediate layer of steel wire mesh. The bottom of the inner buffer frame 452 is located inside the workbench 1.
[0030] Specifically, such as Figure 3 As shown, a bearing plate 453 is bolted to the bottom of the inner buffer frame 452, and an electric telescopic rod 454 is bolted to the bottom side inside the workbench 1. The telescopic end of the electric telescopic rod 454 is fixedly connected to the bottom of the bearing plate 453, and the electric telescopic rod 454 is electrically connected to the controller 2.
[0031] Specifically, such as Figure 3 As shown, rubber buffer columns 455 are fixedly connected to both sides of the bottom of the bearing plate 453, and the bottom of the rubber buffer column 455 is in contact with the bottom side of the inside of the workbench 1.
[0032] In this embodiment: By setting a buffer structure, an inner buffer frame 452 composed of an outer high-density polyurethane and an intermediate steel wire mesh is provided inside the concealed groove 451. The bottom of the frame is connected to an electric telescopic rod 454 through a support plate 453. Rubber buffer posts 455 are also provided on both sides of the support plate 453. When the acoustic detector 44 detects a cracking noise of ≥100dB, the controller 2 drives the electric telescopic rod 454 to extend rapidly, pushing the inner buffer frame 452 from the concealed groove 451 to the inside of the transparent protective cover 42, forming a physical buffer barrier. The high-density polyurethane absorbs the impact kinetic energy of the fragments, the steel wire mesh blocks penetration, and the rubber buffer posts 455 buffer when the inner buffer frame 452 returns to its initial position. The synergistic effect effectively intercepts fragments flying at 20-30m / s, preventing them from rebounding or penetrating after impacting the transparent protective cover 42, further improving the reliability of the protection.
[0033] Specifically, such as Figure 4 As shown, the press-fitting structure 3 includes a support plate 31 fixedly connected to the top of the workbench 1. A hydraulic cylinder 32 is bolted to the top of the support plate 31. The telescopic end of the hydraulic cylinder 32 passes through the top of the support plate 31. The hydraulic cylinder 32 is electrically connected to the controller 2. A hanging plate 33 is fixedly connected to the telescopic end of the hydraulic cylinder 32. A connecting plate 34 is provided at the bottom of the hanging plate 33. A pressure sensor 35 is provided between the connecting plate 34 and the hanging plate 33. The pressure sensor 35 is electrically connected to the controller 2.
[0034] Specifically, such as Figure 4 As shown, an upper press head 36 is bolted to the bottom of the connecting plate 34, and a lower press head 37 is bolted to the top of the worktable 1. The lower press head 37 is located at the bottom of the upper press head 36, and both the lower press head 37 and the upper press head 36 are located inside the transparent protective cover 42.
[0035] In this embodiment: by setting up a press-fitting structure 3, the hydraulic cylinder 32 at the top of the support plate 31 is connected to the connecting plate 34 through the hanging plate 33. The pressure sensor 35 between the two feeds back the press-fitting force to the controller 2 in real time. The upper press-fitting head 36 at the bottom of the connecting plate 34 corresponds to the lower press-fitting head 37 at the top of the workbench 1, and both are located inside the transparent protective cover 42. During operation, the controller 2 adjusts the extension and retraction of the hydraulic cylinder 32 according to preset parameters, which drives the upper press-fitting head 36 to descend and cooperate with the lower press-fitting head 37 to apply a precise press-fitting force to the sleeved oil pipe and the joint. The pressure sensor 35 monitors the force value in real time. If it exceeds the safety threshold, the controller 2 stops the machine immediately to avoid pipe breakage due to overload. At the same time, the alignment design of the upper press-fitting head 36 and the lower press-fitting head 37 ensures the coaxiality of the press-fitting, reduces stress concentration, and reduces the risk of breakage from the source.
[0036] Specifically, such as Figure 5 As shown, an auxiliary groove 5 is provided on the left side of the top of the workbench 1. Slider 6 is slidably connected to the front and rear sides of the auxiliary groove 5. The top of the slider 6 is fixedly connected to the bottom of the transparent protective cover 42.
[0037] Specifically, such as Figure 4 As shown, a sliding rod 7 is fixedly connected to the top of the hanging plate 33, and the top of the sliding rod 7 penetrates the top side of the support plate 31.
[0038] In this embodiment: by setting an auxiliary groove 5, a slider 6 and a sliding rod 7, the slider 6 is fixedly connected to the bottom of the transparent protective cover 42 in the auxiliary groove 5 on the left side of the worktable 1. When the electric push rod 41 drives the transparent protective cover 42 to open and close, the slider 6 slides along the auxiliary groove 5 to ensure the stability of the movement trajectory of the transparent protective cover 42 and avoid deviation that affects the sealing performance. The sliding rod 7 at the top of the hanging plate 33 passes through the support plate 31. When the hydraulic cylinder 32 drives the upper pressing head 36 to rise and fall, the sliding rod 7 slides along the guide plate 31 to prevent the upper pressing head 36 from tilting due to force. The two respectively constrain the movement accuracy of the transparent protective cover 42 and the upper pressing head 36, ensuring the sealing performance of the protective space and the coaxiality of the pressing, and improving the overall stability of the device.
[0039] Working Principle: During the use of the explosion-proof oil pipe joint press-fitting device, firstly, the connected oil pipe and joint are placed on the lower press-fitting head 37 of the workbench 1, ensuring that the part to be press-fitted is aligned with the upper press-fitting head 36. Then, the controller 2 starts the electric push rod 41, which drives the transparent protective cover 42 on the front and rear sides to slide inward along the slider 6 in the auxiliary groove 5, closing to form a closed space around the press-fitting structure 3. At this time, the semi-circular positioning groove 43 on the left side of the transparent protective cover 42 fits against the outer wall of the oil pipe, fixing the oil pipe without affecting the operation, while maintaining a clear view. After starting the press-fitting program, the controller 2 drives the hydraulic cylinder 32 to work according to the preset parameters. Under the guidance of the slide rod 7, the hanging plate 33 drives the upper press-fitting head 36 to descend smoothly, cooperating with the lower press-fitting head 37 to apply a pressing force to the oil pipe joint. The pressure between the connecting plate 34 and the hanging plate 33 is transmitted. Sensor 35 monitors the pressing force in real time. If the force exceeds the safety threshold, controller 2 immediately stops the machine to prevent overload from causing the pipe to break. During the pressing process, the acoustic wave detector 44 inside the front transparent protective cover 42 continuously monitors the sound. If the pipe breaks and generates an abnormal sound wave of ≥100dB, the signal is quickly transmitted to controller 2. Controller 2 drives the electric telescopic rod 454 to extend, pushing the inner buffer frame 452 from the hidden groove 451 to the inside of the transparent protective cover 42 to form a protective barrier that can intercept 20-30m / s flying debris. After the pressing is completed or the abnormality is handled, the electric telescopic rod 454 retracts and drives the inner buffer frame 452 back to the hidden groove 451. The electric push rod 41 extends to reset the transparent protective cover 42 along the slider 6, making it easy to remove the workpiece. The whole process achieves the unity of precise pressing and safety protection through the coordinated action of various structures.
[0040] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A press-fitting device for explosion-proof oil pipe joints, comprising a workbench (1), characterized in that: A controller (2) is provided on the right side of the top of the workbench (1), a pressing structure (3) is provided on the top of the workbench (1), and a protection mechanism (4) is provided on the top of the workbench (1). The protection mechanism (4) is located outside the pressing structure (3). The protective mechanism (4) includes an electric push rod (41) located on the right side of the top of the workbench (1). The electric push rod (41) is located on the front and rear sides of the right side of the press-fitting structure (3). A transparent protective cover (42) is provided on the front and rear sides of the top of the workbench (1). The transparent protective cover (42) is made of bulletproof polycarbonate material. The transparent protective cover (42) is located on the outside of the press-fitting structure (3). The right side of the transparent protective cover (42) is fixedly connected to the telescopic end of the electric push rod (41). A semi-circular positioning groove (43) is provided at the bottom of the left side of the transparent protective cover (42). A sound wave detector (44) is provided on the left side inside the front transparent protective cover (42). The sound wave detector (44) is electrically connected to the controller (2). An automatic lifting buffer structure (45) is provided on the top of the workbench (1).
2. The explosion-proof oil pipe joint press-fitting device according to claim 1, characterized in that: The automatic lifting and buffering structure (45) includes a hidden groove (451) opened on the top of the workbench (1). An inner buffer frame (452) is slidably connected inside the hidden groove (451). The inner buffer frame (452) is made of outer high-density polyurethane and middle layer steel wire mesh. The bottom of the inner buffer frame (452) is located inside the workbench (1).
3. The explosion-proof oil pipe joint press-fitting device according to claim 2, characterized in that: The bottom of the inner buffer frame (452) is bolted with a support plate (453), and the bottom side of the workbench (1) is bolted with an electric telescopic rod (454). The telescopic end of the electric telescopic rod (454) is fixedly connected to the bottom of the support plate (453), and the electric telescopic rod (454) is electrically connected to the controller (2).
4. The explosion-proof oil pipe joint press-fitting device according to claim 3, characterized in that: Rubber buffer columns (455) are fixedly connected to both sides of the bottom of the bearing plate (453), and the bottom of the rubber buffer column (455) is in contact with the bottom side of the workbench (1).
5. The explosion-proof oil pipe joint press-fitting device according to claim 1, characterized in that: The press-fitting structure (3) includes a support plate (31) fixedly connected to the top of the workbench (1). A hydraulic cylinder (32) is bolted to the top of the support plate (31). The telescopic end of the hydraulic cylinder (32) passes through the top of the support plate (31). The hydraulic cylinder (32) is electrically connected to the controller (2). A hanging plate (33) is fixedly connected to the telescopic end of the hydraulic cylinder (32). A connecting plate (34) is provided at the bottom of the hanging plate (33). A pressure sensor (35) is provided between the connecting plate (34) and the hanging plate (33). The pressure sensor (35) is electrically connected to the controller (2).
6. The explosion-proof oil pipe joint press-fitting device according to claim 5, characterized in that: The bottom of the connecting plate (34) is bolted with an upper press head (36), and the top of the workbench (1) is bolted with a lower press head (37). The lower press head (37) is located at the bottom of the upper press head (36), and both the lower press head (37) and the upper press head (36) are located inside the transparent protective cover (42).
7. The explosion-proof oil pipe joint press-fitting device according to claim 1, characterized in that: An auxiliary groove (5) is provided on the left side of the top of the workbench (1). A slider (6) is slidably connected to the front and rear sides of the auxiliary groove (5). The top of the slider (6) is fixedly connected to the bottom of the transparent protective cover (42).
8. The explosion-proof oil pipe joint press-fitting device according to claim 5, characterized in that: The top of the hanging plate (33) is fixedly connected to a sliding rod (7), and the top of the sliding rod (7) penetrates the top side inside the support plate (31).