Ship lock gate synchronous jacking device
By installing a distance measuring sensor and an electro-hydraulic servo valve on the hydraulic cylinder, the synchronization problem of the lock gate synchronous lifting device was solved, realizing the synchronous movement and stability improvement of the hydraulic cylinder, and ensuring the smooth operation of the gate.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HUBEI ZHENXING GANGHANG ENG CO LTD
- Filing Date
- 2025-05-08
- Publication Date
- 2026-04-10
AI Technical Summary
When multiple lifting devices are used for existing lock gates, there is a synchronization problem, resulting in inconsistent lifting.
By using a distance sensor and an electro-hydraulic servo valve above the hydraulic cylinder, the hydraulic flow is adjusted to achieve synchronous movement by monitoring the extension distance of the hydraulic cylinder in real time, and the stability is improved by combining a guide seat and a buffer seat.
The gate was lifted synchronously, improving the synchronicity and stability of the lifting device and ensuring the smooth operation of the gate.
Smart Images

Figure CN224106379U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to gate technical field, especially a ship lock gate synchronous jacking device. BACKGROUND
[0002] The ship lock is a control facility for connecting different water level water areas and assisting ships to overcome water level difference to realize navigation, and is a key component of the inland river shipping hub project, and can be used to adjust water level connection, guarantee ship smooth lockage, balance upstream and downstream water quantity, and assist navigation scheduling management.
[0003] Therefore, the ship lock gate needs to be frequently lifted and lowered to ensure the passage of the ship, and the existing gate usually uses multiple jacking devices to lift the gate, but when multiple jacking devices are used, the problem of different synchronization of the jacking devices may occur. UTILITY MODEL CONTENT
[0004] The utility model solves the technical problem of providing a ship lock gate synchronous jacking device to solve the synchronization problem of the jacking device.
[0005] To solve the above technical problem, the utility model provides a ship lock gate synchronous jacking device, which comprises a U-shaped base arranged in a river channel, a gate arranged in the base, a connecting plate fixed above the gate and extending outside both sides of the base, a hydraulic cylinder arranged below both sides of the connecting plate, a distance measuring sensor arranged on the connecting plate above the hydraulic cylinder, and an electro-hydraulic servo valve arranged in the hydraulic cylinder lifting hydraulic circuit.
[0006] In the preferred scheme, a guide seat is further arranged above the base, the guide seat comprises a vertical rod mounted on the base and a horizontal rod arranged above the vertical rod, the connecting plate is sleeved in the vertical rod, the horizontal rod corresponds to the upper and lower positions of the connecting plate, the distance measuring sensor is arranged between the horizontal rod and the connecting plate, and the distance measuring sensor is a laser distance measuring sensor.
[0007] In the preferred scheme, a buffer seat is arranged on the side of the connecting plate corresponding to the horizontal rod, the buffer seat comprises a first spring arranged on the connecting plate and a buffer block arranged above the first spring.
[0008] In the preferred scheme, a mounting seat is arranged on one side of the base, and the hydraulic cylinder is mounted on the mounting seat.
[0009] In the preferred scheme, grooves matched with the gate are arranged on the side wall and the bottom wall of the base, and sealing plates are arranged in the grooves on both sides.
[0010] In the preferred scheme, the sealing plates are convex to the middle arc.
[0011] In the preferred scheme, a sliding rod is further arranged on the connecting plate, the sliding rod is sleeved on the horizontal rod, and a second spring is further sleeved on the sliding rod between the connecting plate and the horizontal rod.
[0012] The utility model discloses beneficial effect is: through setting up ranging sensor on the hydraulic cylinder top, set up electro-hydraulic servo valve in the extension oil circuit of hydraulic cylinder, through the change value of ranging sensor on multiple hydraulic cylinders contrast, thereby feedback adjusts the flow size of electro-hydraulic servo valve, thereby realize the purpose of hydraulic cylinder synchronous movement. BRIEF DESCRIPTION OF DRAWINGS
[0013] The utility model makes further explanation from the following combined with the drawings and examples:
[0014] Fig. 1 It is the front view structure diagram of the utility model embodiment;
[0015] Fig. 2 It is the base overhead structure diagram of the utility model embodiment;
[0016] Fig. 3 It is the base recess cross section structure diagram of the utility model embodiment.
[0017] Sign significance: base 11;Groove 111;Gate 12;Connecting plate 13;Hydraulic cylinder 14;Ranging sensor 15;Mounting seat 16;Sealing plate 17;Slide bar 18;Second spring 19;Stand 21;Cross bar 22;First spring 23;Buffer block 24. DETAILED DESCRIPTION
[0018] Please refer to Figs. 1-3 As shown in the figure, the embodiment of the application provides a kind of technical scheme: a ship lock gate synchronous jacking device, including the U-shaped base 11 being arranged in river channel, the gate 12 being arranged in base 11, the connecting plate 13 being fixed above gate 12 and extending outside the both sides of base 11, the hydraulic cylinder 14 being arranged below the both sides of connecting plate 13, the ranging sensor 15 also being provided on the connecting plate 13 above hydraulic cylinder 14, and the electro-hydraulic servo valve also being provided in the jacking hydraulic circuit of hydraulic cylinder 14.
[0019] In the embodiment, the jacking device is hydraulic cylinder 14, and the hydraulic cylinder 14 is two, which are arranged on the both sides of connecting plate 13 respectively, the number of ranging sensor 15 is consistent with the number of hydraulic cylinder 14, in the process of controlling hydraulic cylinder to jacking gate 12, the ranging sensor 15 above hydraulic cylinder 14 monitors the extension distance of hydraulic cylinder 14 in real time, when the distance changes detected by the left and right two ranging sensors 15 are not the same, the system controls the opening size of electro-hydraulic servo valve on the jacking circuit of corresponding hydraulic cylinder 14, so as to control hydraulic flow to adjust the synchronization of hydraulic cylinder 14, for example, when the distance change of ranging sensor 15 on one side of hydraulic cylinder 14 is large, the electro-hydraulic servo valve is controlled to be small, so that the left and right hydraulic cylinders 14 are kept synchronous.
[0020] In the preferred scheme, a guide seat is further arranged above the base 11, the guide seat comprises a vertical rod 21 arranged on the base 11 and a horizontal rod 22 arranged above the vertical rod 21, the connecting plate 13 is sleeved on the vertical rod 21, the horizontal rod 22 corresponds to the connecting plate 13 in the up-down direction, and the distance measuring sensor 15 is arranged between the horizontal rod 22 and the connecting plate 13, and the distance measuring sensor 15 is a laser distance measuring sensor 15.
[0021] In this way, the laser of the laser distance measuring sensor 15 can be reflected on the horizontal rod 22, so as to monitor a distance value.
[0022] In the preferred scheme, a buffer seat is arranged on the side of the connecting plate 13 corresponding to the horizontal rod 22, the buffer seat comprises a first spring 23 arranged on the connecting plate 13 and a buffer block 24 arranged above the first spring 23.
[0023] When the hydraulic cylinder 14 lifts the gate 12 to move upwards, the buffer seat can play a buffering role, and when the first spring 23 is pressed to the limit, the buffer seat can also play a limiting role, so as to ensure that the horizontal rod 22 will not press the distance measuring sensor 15.
[0024] In the preferred scheme, a mounting seat 16 is arranged on one side of the base 11, and the hydraulic cylinder 14 is arranged on the mounting seat 16.
[0025] In the preferred scheme, a groove 111 matched with the gate 12 is arranged on the side wall and the bottom wall of the base 11, and a sealing plate 17 is arranged on the two sides of the groove 111.
[0026] In this way, the gate 12 is inserted between the two sealing plates 17, so as to play a role of isolating water.
[0027] In the preferred scheme, the sealing plate 17 is circularly convex towards the middle.
[0028] In this way, when the gate 12 is lowered, the gate 12 presses the arc surface of the sealing plate 17, so that the gate 12 and the sealing plate 17 are tightly attached together. The sealing plate 17 can have a certain elasticity, and the material can be rubber.
[0029] In the preferred scheme, a sliding rod 18 is further arranged on the connecting plate 13, the sliding rod 18 is sleeved on the horizontal rod 22, and a second spring 19 is further sleeved on the sliding rod 18 between the connecting plate 13 and the horizontal rod 22.
[0030] The above embodiment is only a preferred technical scheme of the utility model, and should not be regarded as a limitation of the utility model. The protection scope of the utility model should be the technical scheme recorded in the claims, including the equivalent replacement scheme of the technical features in the technical scheme recorded in the claims. That is, the equivalent replacement improvement in this range is also within the protection scope of the utility model.
Claims
1. A device for synchronously jacking a lock gate of a ship lock, characterized in that The utility model relates to a riverway gate, which comprises a U-shaped base (11) arranged in a riverway, a gate (12) arranged in the base (11), a connecting plate (13) fixed above the gate (12) and extending out of both sides of the base (11), a hydraulic cylinder (14) arranged below both sides of the connecting plate (13), a distance measuring sensor (15) arranged on the connecting plate (13) above the hydraulic cylinder (14), and an electro-hydraulic servo valve arranged in the hydraulic cylinder (14).
2. A device for synchronously jacking the lock gates of a ship lock according to claim 1, characterized in that: A guide seat is further arranged above the base (11), which comprises a vertical rod (21) mounted on the base (11) and a horizontal rod (22) arranged above the vertical rod (21), the connecting plate (13) is sleeved on the vertical rod (21), the horizontal rod (22) corresponds to the connecting plate (13) in position, the distance measuring sensor (15) is arranged between the horizontal rod (22) and the connecting plate (13), and the distance measuring sensor (15) is a laser distance measuring sensor (15).
3. A device for synchronously jacking the lock gates of a ship lock according to claim 2, characterized in that: A buffer seat is arranged on the side of the connecting plate (13) corresponding to the horizontal rod (22), which comprises a first spring (23) arranged on the connecting plate (13) and a buffer block (24) arranged above the first spring (23).
4. A device for synchronously jacking the lock gates of a ship lock according to claim 2, characterized in that: An installation seat (16) is arranged on one side of the base (11), and the hydraulic cylinder (14) is mounted on the installation seat (16).
5. A device for synchronously jacking the lock gates of a ship lock according to claim 4, characterized in that: A groove (111) matched with the gate (12) is arranged on the side wall and the bottom wall of the base (11), and a sealing plate (17) is arranged in the groove (111) on both sides.
6. A device for synchronously jacking the lock gates of a ship lock according to claim 5, characterized in that: The sealing plate (17) is protruded towards the middle circular arc.
7. A device for synchronously jacking the lock gates of a ship lock according to claim 3, characterized in that: A sliding rod (18) is further arranged on the connecting plate (13), the sliding rod (18) is sleeved on the horizontal rod (22), and a second spring (19) is further sleeved on the sliding rod (18) between the connecting plate (13) and the horizontal rod (22).