Leakage testing device for raising device
By using clamps and fasteners to position and fix the lifting device, and combining the seals of the hydraulic cylinder and the tapered rubber block, the problems of unreliable fixing and poor versatility of the lifting device leak testing device are solved, enabling the lifting device to quickly and flexibly test leaks.
Patent Information
- Application Number
- CN202423269074.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-30
AI Technical Summary
The existing leak testing device for the lifting device is not securely fixed, which leads to leakage during the test. Furthermore, it has poor versatility and cannot be applied to lifting devices of different specifications.
The lifting device is positioned and fixed using clamps and fasteners. A hydraulic cylinder drives a seal to block the lifting device cylinder. Gradually shrinking rubber blocks are used to accommodate different sizes. Leak testing is conducted through air inlet and outlet pipes.
It achieves a secure fixation of the lifting device, preventing leaks during testing. It is applicable to lifting devices of different specifications, and the leak testing process is flexible and efficient.
Smart Images
Figure CN223756266U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a lifting device test technical field, concretely is a lifting device leak test device. BACKGROUND
[0002] At present, military assault boats, speedboats, civilian small boats etc. all adopt the outboard motor equipment, which is called outboard motor for short, in the rear end of the hull. The outboard motor is an integral structure, the upper end of which is an oil tank, an engine and an operating rod, and the lower end of which is a propeller. The outboard motor is located outside the hull at the rear end and is connected with the hull shaft. The body of the outboard motor can be lifted at any time by using a lifting device to adjust the optimal propelling angle of the propeller. When the lifting device is produced and manufactured, the cylinder of the lifting device needs to be tested for air tightness, and then oil is injected and other operations are performed. The lifting device leak test usually requires the lifting device to be fixed, and then one end is inflated to test for leakage. However, the existing lifting device leak test device clamp is not firm, and leakage may occur due to unstable fixation during the leak test, resulting in leak test failure. In addition, the clamp can only be applied to one type of lifting device, and the versatility is poor. The above defects are problems that need to be solved by those skilled in the art. SUMMARY
[0003] The utility model wants to solve the technical problem of overcoming the existing defects, and provides a lifting device leak test device. The lifting device is positioned and fixed by a clamping plate and a fastener, ensuring firm fixation and avoiding leakage due to unstable fixation during the leak test. The hydraulic cylinder drives the sealing element to move downward and block the oil cylinder of the lifting device, realizing rapid leak test of the lifting device. The lifting device leak test device can be applied to different types of lifting devices, is flexible and convenient to use, and can effectively solve the problems in the background art.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a lifting device leak test device, which comprises a machine base. A workbench of the machine base is slidingly matched with a sliding table. A fixing seat is arranged on one side of the upper part of the sliding table. A fixing shaft for the ear seat of the lifting device to pass through is arranged on the side of the fixing seat. A connecting rod is arranged on the upper part of the sliding table. The connecting rod is provided with a connecting seat. The connecting seat is provided with a clamping plate for clamping the oil cylinder of the lifting device. The connecting seat is further provided with a fastener for fastening the oil cylinder of the lifting device in the clamping plate. The upper part of the machine base is provided with a hydraulic cylinder. The telescopic end of the hydraulic cylinder is connected with a sealing element for blocking the oil cylinder of the lifting device.
[0005] Preferably, the fastener comprises a pneumatic cylinder, the pneumatic cylinder is connected with the connecting seat, the telescopic end of the pneumatic cylinder is provided with a pressing plate, and the pressing plate is sleeved on the telescopic end of the pneumatic cylinder and locked by two nuts.
[0006] Preferably, one side of the clamping plate is provided with a V-shaped groove, the other side of the clamping plate is provided with a retreat groove corresponding to the connecting rod, the plate surface of the clamping plate is provided with an adjusting groove, the clamping plate is connected with the connecting seat through a bolt and nut set, and the bolt and nut set passes through the adjusting groove.
[0007] Preferably, the sealing piece comprises a pressure head, the lower part of the pressure head is provided with a tapered rubber block, the pressure head is provided with a through groove in the radial direction, the two ends of the through groove are correspondingly connected with an air inlet pipe and an air outlet pipe, the air inlet pipe and the air outlet pipe are both provided with valves, the pressure head is further provided with a blind hole communicated with the through groove, the rubber block is provided with a through hole in the center, and the through hole is communicated with the through groove through the blind hole.
[0008] Preferably, the workbench of the machine base is provided with a screw nut motion pair for driving the sliding table to move, and the workbench of the machine base is further provided with a sliding rail for the sliding table to move.
[0009] Preferably, the connecting seat is sleeved on the connecting rod and is fixed through locking bolts.
[0010] Preferably, the fixing shaft is located directly below the sealing piece.
[0011] Compared with the prior art, the ear seat of the lifting device is sleeved on the fixing shaft, and is positioned and fixed through the clamping plate and the fastener, so that the fixing is firm, leakage during leakage test is avoided due to unstable fixing, the sealing piece is driven downward by the hydraulic cylinder and blocks the oil cylinder of the lifting device, the rapid leakage test of the lifting device is realized, the leakage test of lifting devices of different specifications can be applied, and the use is flexible and convenient. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is a structural schematic view of the utility model;
[0013] Figure 2 It is a partial structural schematic view of the utility model;
[0014] Figure 3 It is a top view; Figure 2
[0015] Figure 4 It is a sectional view of the sealing piece of the utility model.
[0016] In the drawing: 1 sealing piece, 1.1 pressure head, 1.2 rubber block, 1.3 through hole, 1.4 through groove, 2 fastener, 2.1 air cylinder, 2.2 nut, 2.3 pressing plate, 3 sliding table, 4 machine base, 5 connecting rod, 6 clamping plate, 6.1 bolt and nut set, 6.2 adjusting groove, 7 connecting seat, 8 fixing shaft, 9 fixing seat, 10 screw nut motion pair. DETAILED DESCRIPTION
[0017] The utility model can be explained in detail through the following examples, the purpose of the utility model is to protect all technical improvements in the scope of the utility model, and it should be understood in the description of the utility model that the orientation or position relation indicated by terms such as "upper", "lower", "front", "rear", "left" and "right" only corresponds to the drawings of the application, and is for the convenience of describing the utility model, and does not indicate or imply that the indicated device or element must have a particular orientation.
[0018] Please refer to Figures 1-4 The utility model provides the following technical scheme:
[0019] Example 1: a lifting device leak detection device, including base 4, the workbench of base 4 is slidably connected with sliding table 3, the upper portion of one side of sliding table 3 is equipped with fixed seat 9, the side of fixed seat 9 is equipped with the fixed shaft 8 for the ear seat of lifting device to pass through, the upper portion of sliding table 3 is equipped with connecting rod 5, connecting rod 5 is equipped with connecting seat 7, connecting seat 7 is equipped with the clamping plate 6 for clamping lifting device oil cylinder, connecting seat 7 is also equipped with the fastener 2 for making lifting device oil cylinder fasten in clamping plate 6;The upper portion of base 4 is equipped with hydraulic cylinder, and the telescopic end of hydraulic cylinder is connected with the sealing element 1 for blocking lifting device oil cylinder;
[0020] Specifically, the fastener 2 includes a cylinder 2.1, the cylinder 2.1 is connected with the connecting seat 7, the telescopic end of the cylinder 2.1 is provided with a pressing plate 2.3, the pressing plate 2.3 is sleeved on the telescopic end of the cylinder 2.1 and locked by two nuts 2.2, the cylinder 2.1 drives the pressing plate 2.3 to move, and the pressing plate 2.3 tightly fixes the lifting device oil cylinder in the clamping plate 6; the position and angle of the pressing plate 2.3 can be adjusted by the two nuts 2.2.
[0021] Specifically, the sealing element 1 includes a pressing head 1.1, the lower portion of the pressing head 1.1 is provided with a tapered rubber block 1.2, the pressing head 1.1 is radially provided with a through groove 1.4, the two ends of the through groove 1.4 are correspondingly connected with an air inlet pipe and an air outlet pipe, the air inlet pipe and the air outlet pipe are each provided with a valve, the pressing head 1.1 is further provided with a blind hole communicated with the through groove, the rubber block 1.2 has a through hole 1.3 in the center, and the through hole 1.3 is communicated with the through groove 1.4 through the blind hole; the hydraulic cylinder drives the sealing element 1 to move downward, the rubber block 1.2 corresponds to the sealing of the lifting device oil cylinder, then air is filled into the oil cylinder, the leak detection is carried out, the air is punched through the air inlet pipe, and the gas enters the lifting device oil cylinder through the through groove 1.4, the blind hole and the through hole 1.3; in addition, after the air-filling leak detection is completed, the gas in the lifting device oil cylinder can be extracted through the air outlet pipe, a negative pressure state is formed, the oil is injected under negative pressure, the oil injection efficiency is improved, and the air bubbles in the oil are reduced.
[0022] Need to explain, the ear seat sleeve of the warping machine is sleeved on the fixing shaft 8, and is positioned and fixed through the clamping plate 6 and the fastener 2, the hydraulic cylinder drives the sealing element 1 to move downward and block the warping machine oil cylinder, the quick leak detection of the warping machine is realized, since the rubber block 1.2 is tapered, it can be adapted to warping machine oil cylinders of different specifications, so that it can be applied to the leak detection of warping machines of different specifications, and is flexible and convenient to use.
[0023] In example 2, different from example 1, one side of the clamping plate 6 is provided with a V-shaped groove, the other side of the clamping plate 6 is provided with a retreat groove corresponding to the connecting rod 5, the plate surface of the clamping plate 6 is provided with an adjusting groove 6.2, the clamping plate 6 is connected with the connecting seat 7 through a bolt-nut set 6.1, the bolt-nut set 6.1 passes through the adjusting groove 6.2, the clamping plate 6 can be moved through the adjusting groove 6.2, the position of the clamping plate 6 is adjusted, so that it can be applied to clamping warping machines of different specifications, and has wide practicability.
[0024] In example 3, different from example 1, the workbench of the machine base 4 is provided with a screw-nut pair 10 for driving the sliding table 3 to move, and the workbench of the machine base 4 is further provided with a sliding rail for the sliding table 3 to move, so that the sliding table 3 can move and adjust the direction.
[0025] In addition, the connecting seat 7 is sleeved on the connecting rod 5 and is fixed through a locking bolt, the position height of the connecting seat 7 can be adjusted, so that it can match warping machines of different specifications, and the fixing shaft 8 is located directly below the sealing element 1, so that when the ear seat of the warping machine is sleeved on the fixing shaft 8, the warping machine oil cylinder corresponds to the sealing element 1.
[0026] The part not described in the utility model is the prior art, for those skilled in the art, obviously, the utility model is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model; therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and all changes falling within the meaning and scope of equivalent elements should be included in the content of the utility model.
Claims
1. A leak testing device for a lifting device, comprising a base (4), characterized in that: The worktable of the machine base (4) is slidably fitted with a slide (3). A fixed seat (9) is provided on one side of the upper part of the slide (3). A fixed shaft (8) is provided on the side of the fixed seat (9) for the lifting device ear seat to pass through. A connecting rod (5) is provided on the upper part of the slide (3). A connecting seat (7) is provided on the connecting rod (5). A clamping plate (6) is provided on the connecting seat (7) for holding the lifting device cylinder. The connecting seat (7) is also provided with a fastener (2) for securing the lifting device cylinder in the clamping plate (6). A hydraulic cylinder is provided on the upper part of the machine base (4). A sealing element (1) for sealing the lifting device cylinder is connected to the telescopic end of the hydraulic cylinder.
2. The leak testing device for a lifting device according to claim 1, characterized in that: The fastener (2) includes a cylinder (2.1), which is connected to the connecting seat (7). The telescopic end of the cylinder (2.1) is provided with a pressure plate (2.3), which is sleeved on the telescopic end of the cylinder (2.1) and locked by two nuts (2.2).
3. The leak testing device for a lifting device according to claim 1, characterized in that: The card plate (6) has a V-shaped groove on one side and a relief groove corresponding to the connecting rod (5) on the other side. The card plate (6) has an adjustment groove (6.2) on its surface. The card plate (6) is connected to the connecting seat (7) through a bolt and nut assembly (6.1). The bolt and nut assembly (6.1) passes through the adjustment groove (6.2).
4. The leak testing device for a lifting device according to claim 1, characterized in that: The sealing element (1) includes a pressure head (1.1), a tapered rubber block (1.2) is provided at the lower part of the pressure head (1.1), and a through groove (1.4) is provided radially on the pressure head (1.1). The two ends of the through groove (1.4) are connected to the air inlet pipe and the air extraction pipe respectively. Valves are provided on both the air inlet pipe and the air extraction pipe. The pressure head (1.1) is also provided with a blind hole that communicates with the through groove. The rubber block (1.2) has a through hole (1.3) in the center, and the through hole (1.3) communicates with the through groove (1.4) through the blind hole.
5. The leak testing device for a lifting device according to claim 1, characterized in that: The worktable of the machine base (4) is provided with a screw and nut motion pair (10) that drives the slide (3) to move, and the worktable of the machine base (4) is also provided with a slide rail for the slide (3) to move.
6. The leak testing device for a lifting device according to claim 1, characterized in that: The connecting seat (7) is sleeved on the connecting rod (5) and fixed by the locking bolt.
7. The leak testing device for a lifting device according to claim 1, characterized in that: The fixed shaft (8) is located directly below the seal (1).