Adjustable rotating hinge water seal device
By designing an adjustable hinge water seal device, the pre-compression force of the water seal rubber is adjusted using a spring pre-tightening mechanism and lever principle, which solves the problems of jetting phenomenon and vibration during the opening and closing of the gate, and improves the water sealing effect of the gate and the stability of equipment operation.
Patent Information
- Application Number
- CN202422848917.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-21
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-21
AI Technical Summary
In hydropower projects, the existing rotary water seal is difficult to adjust effectively during the opening and closing of deep-hole arc gates, resulting in jetting phenomena and equipment vibration, which affects the sealing effect and the reliability of equipment operation.
An adjustable hinge water seal device was designed, which adopts a spring pre-tightening mechanism and lever principle. The pre-compression force of the water seal rubber is adjusted by adjusting the pad and the pressure cap to adapt to the movement of the gate panel and ensure reliable contact between the water seal and the panel. A rubber plate with a semi-circular head and stepped structure is used to enhance the sealing effect.
This effectively prevents water jetting during the opening and closing of the gate, improves the operational reliability and safety of the equipment, reduces vibration, and enhances the water sealing effect.
Smart Images

Figure CN223446116U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of gate water seal, especially relates to an adjustable hinge water seal device, and is suitable for the top sealing of the opening and closing operation process of the deep-hole radial gate in the water and electricity engineering, and can prevent the top water jet in the opening and closing process of the gate. BACKGROUND
[0002] In the water and electricity engineering, the deep-hole radial gate has a smooth gate groove and good flow conditions, can reduce the cavitation phenomenon of high-speed water flow, is a most common deep-hole flood discharge facility, and in the opening and closing process of the gate, the water seal arranged at the top of the gate is separated from the gate groove, relative movement is generated between the radial gate panel and the gate groove, and the pressure water flow in the flow passage can easily generate the jet phenomenon between the gate leaf and the gate groove. In order to ensure the sealing effect of the gate, a hinge water seal is usually arranged at the lintel of the gate groove and is used for connecting the gap between the gate groove and the gate leaf panel, so as to avoid reducing the jet. Since the gate leaf panel moves in the opening process, the hinge water seal arranged in the past is pre-compressed with rubber in the manufacturing plant in order to balance the relationship between the water pressure and the pre-pressing load and avoid the scraping between the steel structure and the gate leaf due to the too large water pressure. It is difficult to adjust in the field installation, and the jet phenomenon is still generated in the actual operation in the opening and closing process of the gate. CONTENT
[0003] The utility model aims at providing an adjustable hinge water seal device.
[0004] To this end, the above-mentioned purpose of the utility model is realized by the following technical scheme.
[0005] An adjustable hinge water seal device comprises a water seal seat, a hinge body is arranged on the water seal seat, the middle part of the hinge body is rotationally connected with the water seal seat through a hinge shaft and is supported at multiple points, the hinge body is an integral structure of the water seal support, and an arc structure suitable for water seal turning is arranged at the end part.
[0006] A spring pre-tightening mechanism is arranged between the top end of the hinge body and the water seal seat, and the spring pre-tightening mechanism is used for providing a pre-tightening force to the hinge body.
[0007] A water seal rubber and a water seal pressing plate are arranged between the other end of the hinge body and the gate panel, the water seal pressing plate and the water seal rubber are fixed with the hinge body through bolts and nuts, and the water seal rubber and the pressing plate are glued.
[0008] While the above-mentioned technical scheme is adopted, the utility model can also adopt or combine the following technical schemes.
[0009] As a preferred technical scheme of the utility model: the water seal seat includes base plate, rib plate, water seal mounting plate, pre-tightening mechanism mounting plate, one side of the rib plate is installed on the base plate, the other side of the rib plate is installed on the water seal mounting plate, the top of the rib plate is equipped with pre-tightening mechanism mounting plate;
[0010] The rib plate is equipped with hinge shaft mounting hole, and the pre-tightening mechanism mounting plate is equipped with pre-tightening mechanism mounting hole.
[0011] As a preferred technical scheme of the utility model: the pre-tightening mechanism mounting hole outer side is equipped with external thread.
[0012] As a preferred technical scheme of the utility model: the spring pre-tightening mechanism includes gland, spring, adjusting pad and pre-set matched positioning pin shaft, at least one adjusting pad is arranged between the inner side of the gland and the top of the spring;
[0013] The positioning pin shaft is installed to the top end of the hinge body, one end of the spring is sleeved on the positioning pin shaft, the spring is between the gland and the top end of the hinge body, the gland cooperates with the water seal seat to compress the spring and provide pre-tightening force to the hinge body.
[0014] As a preferred technical scheme of the utility model: the inner side of the gland has internal thread, the water seal seat is equipped with pre-tightening mechanism mounting plate, the pre-tighting mechanism mounting plate is equipped with pre-tightening mechanism mounting hole, and the pre-tightening mechanism mounting hole outer side is equipped with external thread.
[0015] As a preferred technical scheme of the utility model: the positioning pin shaft side and the spring have a certain gap.
[0016] As a preferred technical scheme of the utility model: the water seal rubber is the rubber plate structure of half-round head with step structure, the end half-round and its accessories are provided with polytetrafluoroethylene patch for reducing friction, the step is glued when installing with the water seal pressing plate, and the sealing effect of the water seal is ensured after installing the water seal.
[0017] The novel corner water seal has the whole water seal structure redesigned, the width of water seal bearing water pressure is adjusted, and the water seal compression load is controlled; the water seal shape structure is adjusted, so that the pressure bearing section of the water seal is optimized; the lever principle is adopted, so that the position of the water seal arranged on the hinge body and the gate panel can be conveniently adjusted on site, the pre-pressing load of the water seal and the panel is ensured, and the water seal can automatically follow the front and back changes of the panel position, has strong adaptability, and the sealing effect of the hinge water seal is adjusted. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 The utility model provides the sectional view of adjustable hinge water seal device.
[0019] Figure 2 The sectional view of the water seal seat.
[0020] In the above figure: 1 - gland, 2 - adjusting pad, 3 - stainless steel spring, 3a - positioning pin shaft, 4 - hinge shaft, 5 - water seal seat, 6 - bolt, 7 - nut, 8 - water seal rubber, 9 - hinge body, 10 - water seal pressing plate, 51 - base plate, 52 - rib plate, 53 - water seal mounting plate, 54 -, pre-tightening mechanism mounting plate, 521 - hinge shaft mounting hole, 541 - pre-tightening mechanism mounting hole. DETAILED DESCRIPTION
[0021] The utility model is further described in detail with reference to the drawings and specific embodiments.
[0022] The adjustable hinge water seal device is installed at the lintel of the door slot of the subdrift arc gate, which is composed of a pressure cover 1, an adjusting pad 2, a stainless steel spring 3, a hinge shaft 4, a water seal seat 5, a bolt 6, a nut 7, a water seal rubber 8, a hinge body 9 and a water seal pressing plate 10. The hinge body 9 is installed on the water seal seat through the hinge shaft 4, the water seal rubber 8 is fixed through the water seal pressing plate 10, the bolt 6 and the nut 7 are connected to the water seal seat 5 and the hinge body, the stainless steel spring 3 is installed on the hinge body 9, the pre-pressing force of the downward pressure is adjusted through the adjusting pad 2 and the pressure cover 1, the hinge body 9 is rotated through the hinge shaft 4, the downward pressure on the hinge body 9 is turned to act on the water seal rubber 8, the pre-pressing force between the water seal rubber 8 and the gate panel is realized, the adjusting pad 2 under the pressure cover 1 is adjusted by applying the lever turning principle, the pre-compression force of the water seal rubber 8 is adjusted, and at the same time, when the gate support arm bears the water pressure load and generates the compression elastic deformation, the water level contact position is automatically followed through the energy storage effect of the stainless steel spring 3 when the gate panel retreats as a whole under the water pressure, the compression load of the water seal rubber 8 is compensated by the water pressure, the reliable contact between the water seal rubber 8 and the gate panel is ensured, and there is a certain pre-pressing force, so that the reliable sealing effect of the hinge water seal is realized.
[0023] The water seal seat 5 includes a base plate 51, a rib plate 52, a water seal mounting plate 53 and a pre-tightening mechanism mounting plate 54. One side of the rib plate 52 is installed on the base plate 51, the other side of the rib plate 52 is installed on the water seal mounting plate 53, and the top of the rib plate 52 is provided with the pre-tightening mechanism mounting plate 54. The rib plate 52 is provided with a hinge shaft mounting hole 521, and the pre-tightening mechanism mounting plate 54 is provided with a pre-tightening mechanism mounting hole 541. The outer side of the pre-tightening mechanism mounting hole 541 is provided with an external thread which is matched with an internal thread on the inner side of the pressure cover 1.
[0024] The hinge body 9 is a main transmission structure, and the rotation structure is asymmetrically arranged. The shape of the water seal rubber 8 manufactured in the factory is determined by a continuous curved steel plate on the hinge body 9, and the steel plate is also part of the water seal seat plate.
[0025] The pre-pressing load on the hinge body 9 is realized by the pre-pressing spring (the stainless steel spring 3), and the pre-pressing contact between the water seal rubber 8 and the gate panel is realized through the rotation displacement of the hinge body 9.
[0026] The pre-pressing force of the stainless steel spring 3 is realized by the combination of the pressure cover 1 and the adjusting pad 2.
[0027] The water seal rubber 8 is provided with a step and can be assembled by the water seal pressing plate 10 to bear the water seal pre-pressing force.
[0028] There is a gap between the stainless steel spring 3 and the positioning pin shaft 3a to meet the displacement needs of the inclined hinge body 9.
[0029] Specifically, the adjustable hinge water seal device is implemented in the following manner:
[0030] S1, determine the pre-compression force requirement: according to the gate panel material, size, water pressure, determine the required pre-compression force range of the water seal rubber;
[0031] S2, install and fix the water seal rubber: the water seal rubber is fixed on the water seal seat and the hinge body through the water seal pressing plate;
[0032] S3, select the appropriate spring: select the spring with appropriate elasticity and strength to ensure that the required pre-compression force can be provided;
[0033] S4, install the spring and adjust the pad: install the spring on the hinge body and place the appropriate amount of adjustment pad under the gland;
[0034] S5, preliminary adjustment of pre-compression force: by increasing or decreasing the number of adjustment pads under the gland, the compression amount of the spring is preliminarily adjusted, so that the water seal rubber reaches the required pre-compression force;
[0035] S6, debugging and fine tuning: observe the contact condition of the water seal rubber during the opening and closing of the gate without water, and fine tune the compression amount of the spring or the number of adjustment pads according to the actual situation, until the best pre-compression force is reached;
[0036] S7, adaptive adjustment: observe the sealing condition of the water seal rubber during the opening and closing of the gate with water, whether the water jet phenomenon occurs, and adjust the number of adjustment pads after closing according to the water jet condition during operation, to adapt to the influence of water pressure loading on the operation of the gate;
[0037] S8, regular inspection and maintenance: regularly check the sealing effect of the water seal, check the rust condition of the spring and the gland, and replace or adjust if necessary, to ensure that the pre-compression force of the water seal rubber always remains in the best state.
[0038] The above specific embodiments are used to explain and illustrate the present application, and are only preferred embodiments of the present application, rather than limiting the present application. Any modification, equivalent replacement, improvement, etc. made to the present application within the spirit and protection scope of the claims, falls within the protection scope of the present application.
Claims
1. A water seal device with adjustable hinge, including a water seal seat, characterized in that: The water seal seat is provided with a hinge body, the middle of the hinge body is rotatably connected to the water seal seat via a hinge shaft; the hinge body is the integral structure of the water seal support, and the end thereof is provided with an arc structure suitable for water seal rotation; A spring pre-tightening mechanism is provided between the top end of the hinge body and the water seal seat, and the spring pre-tightening mechanism is used to provide a pre-tightening force to the hinge body; A water seal rubber and a water seal pressure plate are provided between the other end of the hinge body and the gate panel. The water seal pressure plate, the water seal rubber and the hinge body are fixed via bolts and nuts, and the water seal pressure plate and the water seal rubber are glued together.
2. The adjustable hinge water seal device according to claim 1, characterized in that: The water seal seat includes a base plate, a rib plate, a water seal mounting plate, and a pre-tightening mechanism mounting plate. One side of the rib plate is mounted on the base plate, and the other side of the rib plate is mounted on the water seal mounting plate. The top of the rib plate is provided with a pre-tightening mechanism mounting plate. The rib plate is provided with a hinge shaft mounting hole, and the pre-tightening mechanism mounting plate is provided with a pre-tightening mechanism mounting hole.
3. The adjustable hinge water seal device according to claim 2, characterized in that: An external thread is provided on the outer side of the pre-tightening mechanism mounting hole.
4. The adjustable hinge water seal device according to claim 1, characterized in that: The water seal rubber is a rubber plate structure with a semicircular head and a step structure. The step is glued to the water seal pressure plate during installation, ensuring the sealing effect of the water seal after installation.
5. The adjustable hinge water seal device according to claim 1, characterized in that: The spring preload mechanism includes a pressure cover, a spring, an adjustment pad and a pre-matched positioning pin, and at least one adjustment pad is provided between the inner side of the pressure cover and the top of the spring; The positioning pin is installed to the top of the hinge body, one end of the spring is sleeved on the positioning pin, and the spring is located between the pressure cover and the top of the hinge body. The pressure cover, adjustment pad and water seal seat cooperate to compress the spring to provide pre-tightening force to the hinge body.
6. The adjustable hinge water seal device according to claim 5, characterized in that: The inner side of the pressure cover is provided with an internal thread, the water seal seat is provided with a pre-tightening mechanism mounting plate, the pre-tightening mechanism mounting plate is provided with a pre-tightening mechanism mounting hole, and the outer side of the pre-tightening mechanism mounting hole is provided with an external thread.
7. The adjustable hinge water seal device according to claim 5, characterized in that: There is a certain gap between the side of the positioning pin shaft and the spring.
Citation Information
Cited By
Adjustable rotating hinge water seal device and adjusting method
CN119392666A