A rubber waterstop assembly for a water conservancy project gate

By designing components such as hydraulic cylinders and protective wax blocks, the problem of reduced sealing performance of gate rubber waterstop strips due to wear has been solved, realizing automatic maintenance and efficient sealing of rubber waterstop strips, and improving the safety and reliability of water conservancy projects.

CN120797627BActive Publication Date: 2025-12-05JILIN WATER RESOURCES & HYDROPOWER ENG BUREAU +1
View PDF 2 Cites 0 Cited by

Patent Information

Application Number
CN202511295093.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-09-11
Publication Date
2025-12-05
Estimated Expiration
2045-09-11

AI Technical Summary

Technical Problem

The sealing performance of rubber waterstop strips on gates deteriorates due to friction and wear during long-term use, affecting the operation and safety of water conservancy projects.

Method used

A rubber water-stop assembly was designed, comprising a hydraulic cylinder, a vertical plate, side rubber strips, protective wax blocks, and a lifting drive assembly. The hydraulic cylinder controls the retraction and tight fit of the rubber strips, and the automatic maintenance mechanism of the protective wax blocks and brush plates extends the service life of the rubber strips.

Benefits of technology

It effectively avoids wear and tear on the rubber waterstop strip, improves the water-stopping effect of the gate, extends the service life of the rubber waterstop strip, and ensures the stable operation of the water conservancy project.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN120797627B_ABST
    Figure CN120797627B_ABST
Patent Text Reader

Abstract

The application relates to the technical field of gate technology and provides a rubber waterstop assembly for a water conservancy gate, which comprises a gate frame, a gate, a lead screw, a lead screw elevator and a first motor, the side plate of the gate frame is hollow, the inner side surface of the side plate of the gate frame is provided with a through groove, the left side and the right side of the gate are slidably connected with the side walls of the through groove, a hydraulic cylinder, a mounting bracket and a lifting driving assembly are arranged in the side plate of the gate frame, the telescopic end of the hydraulic cylinder is connected with a vertical plate, the side surface of the vertical plate is fixedly connected with a side rubber strip, the hydraulic cylinder is used for contacting or separating the side rubber strip from the two sides of the gate, a protective wax block is arranged in the mounting bracket, the lifting driving assembly is used for vertically driving the mounting bracket, the protective wax block is used for waxing the surface of the side rubber strip, so as to prolong the service life of the side rubber strip. Through the arrangement of the hydraulic cylinder, the vertical plate and the side rubber strip, the side rubber strip can be folded up during the lifting of the gate, so that abrasion is avoided.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of gate, in particular to a rubber water stop assembly for water conservancy gate. BACKGROUND

[0002] In the construction of water conservancy projects, the gate, as a key facility for controlling water flow, its water sealing performance is directly related to the overall operation effect and safety of the project. A reliable water sealing system is the core link to prevent water leakage, ensure the stability of the gate structure and the safety of the surrounding environment.

[0003] At present, in order to improve the water sealing effect of the gate, installing rubber water stop strips on the edge of the gate is a widely used technical means. The rubber material can effectively fill the small gap between the gate and the gate slot due to its excellent elasticity, flexibility and sealing performance, and can form a reliable sealing barrier under static or dynamic water conditions, preventing water from leaking through the gap, thereby maintaining the water level difference before and after the gate and ensuring the normal operation of the water conservancy facilities according to the design requirements.

[0004] During the operation of the lifting gate, the rubber water stop strip on the side of the gate will continuously rub against the wall surface of the gate slot. Because the force is large when the gate is opened and closed, and there may be defects such as roughness, welds, rust, etc. on the wall surface of the gate slot, the rubber water stop strip is prone to wear under the long-term friction. The wear will increase the surface roughness of the rubber water stop strip, reducing its sealing performance. SUMMARY

[0005] The purpose of the present application is to provide a rubber water stop assembly for water conservancy gate, which aims to solve the problems mentioned in the background.

[0006] In order to achieve the above-mentioned purpose, the present application provides the following technical scheme: a rubber water stop assembly for water conservancy gate, comprising a gate frame, a gate, a lead screw, a lead screw elevator and a first motor, the bottom of the gate is detachably installed with a bottom rubber strip, the side plate of the gate frame is hollow, the inner side surface of the gate frame side plate is provided with a through groove, the left and right sides of the gate are slidingly connected with the side wall of the through groove, the side plate of the gate frame is internally provided with a hydraulic cylinder, a mounting bracket and a lifting driving assembly, the telescopic end of the hydraulic cylinder is connected with a vertical plate, the side surface of the vertical plate is fixedly connected with a side rubber strip, the hydraulic cylinder is used to make the side rubber strip contact or separate from the two sides of the gate, the mounting bracket is internally provided with a protective wax block, and the lifting driving assembly is used to vertically drive the mounting bracket, so that the protective wax block is waxed on the surface of the side rubber strip, thereby increasing the service life of the side rubber strip.

[0007] As a further scheme of the present application, a brush plate is arranged below the mounting frame, and is used for cleaning the surface of the side rubber strip; guide side plates are arranged on both sides of the brush plate and are fixedly connected with the mounting frame through connecting rods; an inclined groove is arranged on the inner side of the guide side plate; a moving shaft is connected with both sides of the guide side plate and is in sliding fit connection with the inclined groove; and a limiting assembly is arranged in the inclined groove so as to make the moving shaft be located at the upper end or the lower end of the inclined groove.

[0008] As a further scheme of the present application, an extension plate is connected with the brush plate, and the upper end of the extension plate is higher than the highest point of the mounting frame; an upper baffle is connected with the inner side of the side plate of the gate frame, and is located directly above the extension plate.

[0009] As a further scheme of the present application, the limiting assembly comprises a telescopic block and a return spring; a blind hole is arranged on the inner side of the inclined groove; the telescopic block is in sliding fit connection with the inner wall of the blind hole; the telescopic block is connected with the bottom surface of the blind hole through the return spring; and the telescopic block is arranged at the upper middle position and the lower middle position of the inclined groove.

[0010] As a further scheme of the present application, when the moving shaft is located at the lowest end of the inclined groove, the moving shaft is in contact with the lower telescopic block; when the moving shaft is located at the highest end of the inclined groove, the moving shaft is in contact with the upper telescopic block; the telescopic block is used for limiting the moving shaft; the moving shaft is in the shape of a prism; and the cross section of the telescopic block is in the shape of a triangle.

[0011] As a further scheme of the present application, the lifting driving assembly comprises a second motor; the second motor is fixedly installed inside the side plate of the gate frame; a threaded shaft is fixedly connected with the output shaft of the second motor; a threaded hole is arranged on the mounting frame; the threaded shaft is connected with the mounting frame through the threaded hole; a guide block is connected with the mounting frame; a guide groove is arranged on the inner wall of the side plate of the gate frame; and the guide block is in sliding fit connection with the guide groove.

[0012] As a further scheme of the present application, the width of the side rubber strip is greater than the width of the through groove; and the depth of the side rubber strip entering the through groove is the same as the depth of the through groove.

[0013] As a further scheme of the present application, an inclined surface is arranged below the side of the protective wax block facing the side rubber strip; and a wax block replacement opening is arranged on the outer side of the side plate of the gate frame.

[0014] As a further scheme of the present application, the bottom surface of the gate is provided with a mounting groove; the bottom of the front surface of the gate is provided with a plurality of mounting holes; a screw is arranged in the mounting hole; the bottom rubber strip is fixedly installed in the mounting groove through the screw; the bottom rubber strip is in the shape of a T; and a pressing groove is arranged on the surface of the bottom plate of the gate frame, and is used for accommodating the bottom rubber strip.

[0015] As a further scheme of the present application, a positioning shaft is mounted on the mounting frame, and a positioning sleeve is sleeved on the positioning shaft, and the protective wax block is fixed by the positioning shaft and the positioning sleeve.

[0016] As a further scheme of the present application, a lead screw elevator and a first motor are mounted on the top plate of the gate frame, the first motor is used to drive the lead screw elevator, the lead screw elevator is used to drive a lead screw, and the lower end of the lead screw is rotationally connected with the gate.

[0017] To sum up, the beneficial effects of the present application are:

[0018] Through the arrangement of the hydraulic cylinder, the vertical plate and the side rubber strip, the side rubber strip can be retracted during the lifting of the gate, so as to avoid abrasion, and after the gate is closed, the side rubber strip is tightly attached to the two sides of the gate, so that the water stopping effect is excellent. In addition, through the arrangement of the mounting frame, the protective wax block and the lifting driving assembly, the surface of the side rubber strip can be automatically maintained, thereby prolonging the service life of the side rubber strip. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor based on these drawings, wherein:

[0020] Figure 1 Structure diagram of the rubber water stopping assembly for the water conservancy gate according to the embodiment of the present application Figure 1 .

[0021] Figure 2 Structure diagram of the rubber water stopping assembly for the water conservancy gate according to the embodiment of the present application Figure 2 .

[0022] Figure 3 Internal view of the side plate of the gate frame in the rubber water stopping assembly for the water conservancy gate according to the embodiment of the present application

[0023] Figure 4 Connection diagram of the protective wax block in the rubber water stopping assembly for the water conservancy gate according to the embodiment of the present application

[0024] Figure 5 Connection diagram of the brush plate in the rubber water stopping assembly for the water conservancy gate according to the embodiment of the present application

[0025] Figure 6 is Figure 5 Partial enlarged view of A in FIG.

[0026] Figure 7 Figure 1 is a sectional view of a guide edge plate of a rubber waterstop assembly for a water conservancy gate according to an embodiment of the present application.

[0027] Figure 8 Figure 2 is a sectional view of a bottom edge rubber strip of a rubber waterstop assembly for a water conservancy gate according to an embodiment of the present application. Figure 7 Figure 3 is a partial enlarged view of the middle B.

[0028] Figure 9 Figure 4 is an installation view of a bottom edge rubber strip of a rubber waterstop assembly for a water conservancy gate according to an embodiment of the present application.

[0029] The figure reference: 1-gate frame, 2-gate, 3-screw rod, 4-screw rod elevator, 5-first motor, 6-wax block replacement opening, 7-bottom edge rubber strip, 8-pressing groove, 9-screw, 10-second motor, 11-upper baffle, 12-hydraulic cylinder, 13-vertical plate, 14-side edge rubber strip, 15-protection wax block, 151-inclined surface, 16-guide block, 17-guide groove, 18-through groove, 19-threaded shaft, 20-mounting frame, 21-brush plate, 22-connecting rod, 23-guide edge plate, 24-extended plate, 25-positioning shaft, 26-positioning sleeve, 27-shifting shaft, 28-inclined groove, 29-telescopic block, 30-blind hole, 31-return spring. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the present application clearer, the present application will be further described in detail below in combination with the drawings and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the present application.

[0031] The specific implementation of the present application will be described in detail below in combination with specific embodiments.

[0032] Please refer to Figures 1 to 5The embodiment of the present application provides a rubber water stop assembly for a water conservancy project gate, which comprises a gate frame 1, a gate 2 and a lead screw 3, the lead screw 3 is used for lifting or lowering the gate 2, a lead screw elevator 4 and a first motor 5 are installed on the top plate of the gate frame 1, the first motor 5 is used for driving the lead screw elevator 4, the lead screw elevator 4 is used for driving the lead screw 3, the lower end of the lead screw 3 is rotationally connected with the gate 2, a bottom edge rubber strip 7 is detachably installed at the bottom of the gate 2, the side plate of the gate frame 1 is hollow, a through groove 18 is arranged on the inner side of the side plate of the gate frame 1, the left side and the right side of the edge of the gate 2 are slidably connected with the side walls of the through groove 18, and water can be stopped. A hydraulic cylinder 12, a mounting frame 20 and a lifting driving assembly are installed in the side plate of the gate frame 1, a vertical plate 13 is connected with the telescopic end of the hydraulic cylinder 12, a plurality of hydraulic cylinders 12 are arranged to drive the vertical plate 13, a side edge rubber strip 14 is fixedly connected to the side surface of the vertical plate 13, the width of the side edge rubber strip 14 is greater than the width of the through groove 18, the depth of the two sides of the gate 2 entering the through groove 18 is the same as the depth of the through groove 18, in this way, the side edge rubber strip 14 can be tightly attached to the two sides of the gate 2, and the water stopping effect is very good. The hydraulic cylinder 12 is used for contacting or separating the side edge rubber strip 14 from the two sides of the gate 2, so that the abrasion of the side edge rubber strip 14 caused by the lifting of the gate 2 is avoided. A protective wax block 15 is installed in the mounting frame 20, a positioning shaft 25 is installed on the mounting frame 20, a positioning sleeve 26 is sleeved on the positioning shaft 25, the protective wax block 15 is fixed through the positioning shaft 25 and the positioning sleeve 26, positioning holes corresponding to the positioning shaft 25 need to be formed in the protective wax block 15, and the lifting driving assembly is used for vertically driving the mounting frame 20, so that the protective wax block 15 waxes the surface of the side edge rubber strip 14, and the service life of the side edge rubber strip 14 is increased. The protective wax block 15 has the functions of waterproof, moistureproof and anti-oxidation corrosion, and the protective wax block 15 is made of base wax (such as microcrystalline wax and polyethylene wax) and antioxidant (such as phenolic antioxidant and amine antioxidant).

[0033] Please refer to Figures 1 to 7In the embodiment of the present application, the lower part of the mounting frame 20 is provided with a brush plate 21 for cleaning the surface of the side rubber strip 14, the two sides of the brush plate 21 are provided with guide side plates 23 which are fixedly connected with the mounting frame 20 through connecting rods 22, the inner side of the guide side plate 23 is provided with an inclined groove 28 which is lower near one end of the hydraulic cylinder 12, the two sides of the guide side plate 23 are connected with moving shafts 27 which are slidingly connected with the inclined groove 28, the inclined groove 28 is provided with a limiting assembly so that the moving shaft 27 is located at the upper end or the lower end of the inclined groove 28. When the moving shaft 27 is located at the lower end of the inclined groove 28, the brush plate 21 can be in contact with the surface of the side rubber strip 14, when the moving shaft 27 is located at the upper end of the inclined groove 28, the brush plate 21 cannot be in contact with the surface of the side rubber strip 14, and there is a gap between the brush plate 21 and the side rubber strip 14. The brush plate 21 is connected with an extension plate 24 which extends upward, the upper end of the extension plate 24 is higher than the highest point of the mounting frame 20, the inner side of the side plate of the gate frame 1 is connected with an upper baffle 11 which is located directly above the extension plate 24. When the mounting frame 20 with the brush plate 21 continuously moves upward, the extension plate 24 will collide with the upper baffle 11, so that the brush plate 21 moves downward relative to the guide side plate 23, and then the moving shaft 27 is located at the lower end of the inclined groove 28; when the mounting frame 20 with the brush plate 21 continuously moves downward, the brush plate 21 will be in contact with the bottom of the gate frame 1, so that the brush plate 21 moves upward relative to the guide side plate 23, and then the moving shaft 27 is located at the upper end of the inclined groove 28.

[0034] Please refer to Figures 1 to 8 In the embodiment of the present application, the limiting assembly comprises a telescopic block 29 and a return spring 31, the inner side of the inclined groove 28 is provided with a blind hole 30, the telescopic block 29 is slidingly connected with the inner wall of the blind hole 30, the telescopic block 29 and the bottom surface of the blind hole 30 are connected through the return spring 31, and the upper part and the lower part of the middle part of the inclined groove 28 are provided with the telescopic block 29. When the moving shaft 27 is located at the lower end of the inclined groove 28, the moving shaft 27 is in contact with the lower telescopic block 29; when the moving shaft 27 is located at the upper end of the inclined groove 28, the moving shaft 27 is in contact with the upper telescopic block 29, and the telescopic block 29 is used for limiting the moving shaft 27, the moving shaft 27 is prismatic in shape, so as to avoid the rotation of the brush plate 21, the cross section of the telescopic block 29 is triangular, and when the moving shaft 27 presses the telescopic block 29, the telescopic block 29 will retract into the blind hole 30.

[0035] In the embodiment of the present application, the lifting drive assembly comprises a second motor 10 fixedly installed inside the side plate of the gate frame 1, the second motor 10 is arranged above a mounting bracket 20, a threaded shaft 19 is fixedly connected to the output shaft of the second motor 10, a threaded hole is arranged on the mounting bracket 20, the threaded shaft 19 is connected to the mounting bracket 20 through the threaded hole, a guide block 16 is connected to the mounting bracket 20, a guide groove 17 is arranged on the inner wall of the side plate of the gate frame 1, the guide block 16 is slidably connected to the guide groove 17, and the second motor 10 is started to make the mounting bracket 20 ascend or descend.

[0036] In the embodiment of the present application, the lower side of the side of the protective wax block 15 towards the side rubber strip 14 is provided with an inclined surface 151. The outer side of the side plate of the gate frame 1 is provided with a wax block replacement opening 6, which facilitates replacement of the used protective wax block 15.

[0037] Please refer to Figures 1 to 9 In the embodiment of the present application, the bottom surface of the gate 2 is provided with a mounting groove, the bottom of the front surface of the gate 2 is provided with a plurality of mounting holes, screws 9 are arranged in the mounting holes, the bottom rubber strip 7 is fixedly installed in the mounting groove through the screws 9, the bottom rubber strip 7 is in T shape, the surface of the bottom plate of the gate frame 1 is provided with a pressing groove 8 for accommodating the bottom rubber strip 7. In this way, the water stopping property is better, and the bottom rubber strip 7 is convenient to install and replace.

[0038] The working process of the embodiment of the present application is as follows: when the gate 2 is lifted or lowered, the side rubber strip 14 needs to be separated from the two sides of the gate 2 through the hydraulic cylinder 12 to avoid abrasion of the side rubber strip 14. When the gate 2 is lowered to the lowest position, the bottom rubber strip 7 is located in the pressing groove 8, and the hydraulic cylinder 12 is started to make the side rubber strip 14 tightly contact with the two sides of the gate 2, so that good water stopping property is ensured. At this time, the mounting bracket 20 and the brush plate 21 are located above the side rubber strip 14. When the side rubber strip 14 needs to be maintained, the gate 2 needs to be in the closed state, then the hydraulic cylinder 12 is started to separate the side rubber strip 14 from the two sides of the gate 2, so as to leave space for the mounting bracket 20 and the brush plate 21, then the mounting bracket 20 is lowered, the brush plate 21 is lowered and cleans the surface of the side rubber strip 14, so that the subsequent waxing effect is better. In addition, the inclined surface 151 of the protective wax block 15 will first contact the side rubber strip 14 and extrude the side rubber strip 14, so that the waxing intensity is sufficient. The brush plate 21 will contact the bottom of the gate frame 1, the shift shaft 27 will be abutted to the upper end of the inclined groove 28, at this time, a transverse gap will be generated between the brush plate 21 and the side rubber strip 14. Then the mounting bracket 20 is raised to wax again to form a protective film. During the rising process, the brush plate 21 will not contact the side rubber strip 14 to avoid damaging the protective film.

[0039] For those skilled in the art, although several embodiments and examples of the present application are described, these embodiments and examples are presented as examples and are not intended to limit the scope of the application. These new embodiments can be implemented in other various ways, and various omissions, substitutions, changes can be made within the scope of the main idea of the application. These embodiments and their modifications are included in the scope and main idea of the application, and are included in the scope of the application and its equivalents as recited in the claims.

[0040] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each example can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A rubber waterstop assembly for hydraulic engineering gate, comprising a gate frame (1), a gate (2), a lead screw (3), a lead screw elevator (4) and a first motor (5), characterized in that, The bottom of the gate (2) is detachably provided with a bottom rubber strip (7), the side plate of the gate frame (1) is hollowly provided, the inner side of the side plate of the gate frame (1) is provided with a through groove (18), the left and right sides of the gate (2) are slidably connected with the side walls of the through groove (18), the side plate of the gate frame (1) is internally provided with a hydraulic cylinder (12), a mounting bracket (20) and a lifting driving assembly, the telescopic end of the hydraulic cylinder (12) is connected with a vertical plate (13), the side of the vertical plate (13) is fixedly connected with a side rubber strip (14), the hydraulic cylinder (12) is used for contacting or separating the side rubber strip (14) from the two sides of the gate (2), the mounting bracket (20) is internally provided with a protective wax block (15), the lifting driving assembly is used for vertically driving the mounting bracket (20) to wax the surface of the side rubber strip (14) by the protective wax block (15), so as to prolong the service life of the side rubber strip (14); the lower portion of the mounting bracket (20) is provided with a brush plate (21), the brush plate (21) is used for cleaning the surface of the side rubber strip (14), the two sides of the brush plate (21) are provided with guide side plates (23), the guide side plates (23) are fixedly connected with the mounting bracket (20) through connecting rods (22), the inner side of the guide side plates (23) is provided with inclined grooves (28), the two sides of the guide side plates (23) are connected with moving shafts (27), the moving shafts (27) are slidably connected with the inclined grooves (28), the inclined grooves (28) are internally provided with limiting assemblies, so that the moving shafts (27) are located at the upper end or the lower end of the inclined grooves (28); the limiting assembly comprises telescopic blocks (29) and return springs (31), the inner side of the inclined grooves (28) is provided with blind holes (30), the telescopic blocks (29) are slidably connected with the inner walls of the blind holes (30), the telescopic blocks (29) are connected with the bottom surfaces of the blind holes (30) through the return springs (31), and the upper middle portion and the lower middle portion of the inclined grooves (28) are provided with the telescopic blocks (29).

2. The rubber waterstop assembly for hydraulic structures according to claim 1, characterized in that, The brush plate (21) is connected with an extension plate (24), the upper end of the extension plate (24) is higher than the highest point of the mounting bracket (20), the inner side of the side plate of the gate frame (1) is connected with an upper baffle (11), and the upper baffle (11) is located directly above the extension plate (24).

3. The rubber waterstop assembly for hydraulic structures according to claim 1, characterized in that, When the moving shaft (27) is located at the lowest end of the inclined groove (28), the moving shaft (27) is in contact with the lower telescopic block (29); when the moving shaft (27) is located at the highest end of the inclined groove (28), the moving shaft (27) is in contact with the upper telescopic block (29), the telescopic block (29) is used for limiting the moving shaft (27), and the moving shaft (27) is in the shape of a prism, and the cross section of the telescopic block (29) is in the shape of a triangle.

4. The rubber waterstop assembly for hydraulic structures according to claim 1, characterized in that, The lifting drive assembly comprises a second motor (10) fixedly installed inside the side plate of the gate frame (1), a threaded shaft (19) is fixedly connected to the output shaft of the second motor (10), a threaded hole is arranged on the mounting bracket (20), the threaded shaft (19) is connected with the mounting bracket (20) through the threaded hole, a guide block (16) is connected to the mounting bracket (20), a guide groove (17) is arranged on the inner wall of the side plate of the gate frame (1), and the guide block (16) is connected with the guide groove (17) in a sliding mode.

5. The rubber waterstop assembly for hydraulic structures according to claim 1, characterized in that, The width of the side rubber strip (14) is greater than the width of the through groove (18), the depth of the two sides of the gate (2) entering the through groove (18) is the same as the depth of the through groove (18).

6. The rubber waterstop assembly for hydraulic structures according to claim 1, characterized in that, An inclined surface (151) is arranged below the side surface of the protective wax block (15) facing the side rubber strip (14), and a wax block replacement opening (6) is arranged on the outer side surface of the side plate of the gate frame (1).

7. The rubber waterstop assembly for hydraulic structures according to claim 1, characterized in that, A mounting groove is arranged on the bottom surface of the gate (2), a plurality of mounting holes are arranged on the bottom of the front surface of the gate (2), screws (9) are arranged in the mounting holes, the bottom rubber strip (7) is fixedly installed in the mounting groove through the screws (9), the bottom rubber strip (7) is in a T shape, a pressing groove (8) is arranged on the surface of the bottom plate of the gate frame (1), and the pressing groove (8) is used for accommodating the bottom rubber strip (7).

8. The rubber waterstop assembly for hydraulic structures according to claim 1, characterized in that, A positioning shaft (25) is installed on the mounting bracket (20), a positioning sleeve (26) is sleeved on the positioning shaft (25), and the protective wax block (15) is fixed through the positioning shaft (25) and the positioning sleeve (26).

Citation Information

Patent Citations

  • Bidirectional water stop valve

    CN112900376A

  • Plane gate and mounting method thereof

    CN116289794A