Mobile radial gate locking device

By designing a mobile arc gate locking device, the locking and pinching mechanisms are used to ensure stable locking of the arc gate, the gate operation control problem caused by hydraulic opening and closing machine failure is solved, and the safety of reservoir flood discharge is ensured, and the advantages of compact structure, large load capacity and light weight are provided.

CN111676909BActive Publication Date: 2025-03-11POWER CHINA KUNMING ENG CORP LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202010670406.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-07-13
Publication Date
2025-03-11
Estimated Expiration
2040-07-13

Smart Images

  • Figure CN111676909B_ABST
    Figure CN111676909B_ABST
Patent Text Reader

Abstract

The present invention discloses a mobile arc gate locking device, comprising a locking mechanism and a tightening mechanism, wherein the tightening mechanism is fixedly arranged above the locking mechanism; the device solves the problem that when a hydraulic gate hoist fails, the gate operation cannot be effectively controlled, and even the gate cannot be opened, which will affect the flood discharge of the reservoir and pose a serious threat to the safety of the project. The device has the advantages of compact structure, large bearing capacity, light weight, and is easy to operate manually, and has great promotion value.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The invention relates to the technical field of hydropower and water conservancy engineering, and in particular to a movable arc gate locking device. Background Art

[0002] Radial gates are widely used in water conservancy and hydropower projects. They have the advantages of labor-saving opening and closing, reliable operation, good flow pattern of water flow in the gate slot, and good discharge conditions when partially opened. They are often used as working gates for reservoir flood discharge, sand flushing, and emptying. Radial gates are often operated by hydraulic hoists, and generally no radial gate locking device is provided. The partial opening and maintenance opening of the radial gate are completed by the hydraulic lock function of the hydraulic hoist. When the hydraulic hoist fails, the gate operation cannot be effectively controlled, and the gate cannot even be opened, which will affect the reservoir flood discharge and pose a serious threat to the safety of the project. Summary of the invention

[0003] The purpose of the present invention is to provide a mobile arc gate locking device to solve the problem that when a hydraulic hoist fails, the gate operation cannot be effectively controlled or even cannot be opened, which will affect the flood discharge of the reservoir and pose a serious threat to the safety of the project.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0005] A mobile arc gate locking device is characterized in that it includes a locking mechanism and a tightening mechanism, and the tightening mechanism is fixedly arranged above the locking mechanism; the locking mechanism includes a frame, an operating frame and a supporting block; the supporting block is set as a solid square block, including a top supporting block, a bottom supporting block and a side supporting block; the tightening mechanism includes a trapezoidal nut, a trapezoidal screw and a handwheel; the operating frame is fixedly arranged on the frame; the top support block is arranged on the upper end surface of the frame; the bottom support block is arranged on the lower end surface of the frame; the side support block is arranged on the inner bottom of the frame; the trapezoidal nut is fixedly arranged on the upper end surface of the frame; the trapezoidal screw is threadedly connected and arranged in the trapezoidal nut; the handwheel is connected and arranged at one end of the trapezoidal screw.

[0006] Furthermore, the frame is configured as an inverted "L"-shaped solid frame, including a horizontal plate and a vertical plate perpendicular to the horizontal plate; the operating frame is configured as a square frame; the trapezoidal nut is configured as a trapezoidal square with a threaded hole in the center; the trapezoidal screw is configured as a threaded shaft compatible with the threaded hole; the handwheel is configured as a circular hub; the operating frame is fixedly arranged on the upper end surface of the frame away from the vertical plate; the top support block is arranged on the upper end surface of the frame close to the vertical plate; the bottom support block is arranged on the lower end surface of the frame away from the vertical plate; the side support block is arranged on the inner bottom of the vertical plate; the trapezoidal nut is fixedly arranged on the upper end surface of the frame between the support block and the operating frame; the handwheel is connected and arranged at one end of the trapezoidal screw.

[0007] Furthermore, the device also includes a walking wheel mechanism; the walking wheel mechanism is connected and arranged on one side of the bottom of the frame.

[0008] Furthermore, the walking wheel mechanism includes a wheel hub, a large sleeve, an axle, an inner retaining ring, an inner sleeve, a bearing, an outer sleeve, screws, an end plate, an outer retaining ring, a nut, and a flat washer; the large sleeve is fixedly arranged on the frame; the axle is arranged in the large sleeve; the inner retaining ring is sleeved on the axle and connected to the large sleeve; the inner sleeve is sleeved on the axle and connected to the inner retaining ring; the bearing is sleeved on the axle and connected to the inner sleeve; the outer sleeve is sleeved on the axle and connected to the bearing; the end plate is sleeved on the axle and connected to the outer sleeve; the wheel hub is sleeved on the bearing and fixedly connected to the end plate by screws; the nut and flat washer are threadedly connected to the outermost end of the axle.

[0009] Furthermore, the inner sleeve is connected to the inner ring of the bearing; and the outer sleeve is connected to the outer ring of the bearing.

[0010] Furthermore, the wheel axle and the large sleeve are interference fit.

[0011] Furthermore, a rounded corner R is provided on the end surface of the bottom support block.

[0012] Furthermore, a gap is provided between the bottom surface of the bottom support block and the bottommost surface of the wheel hub, and the bottom surface of the bottom support block is higher than the bottommost surface of the wheel hub.

[0013] Furthermore, the frame, the operating frame, the top supporting block, the side supporting block, the bottom supporting block, the trapezoidal nut and the large sleeve are welded and connected into a whole.

[0014] Furthermore, reinforcing ribs are arranged on both sides of the trapezoidal nut: "L"-shaped positioning plates are arranged on both sides of the frame, and the support blocks are arranged on the inner sides of the positioning plates.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] This device solves the problem that when a hydraulic gate hoist fails, the gate operation cannot be effectively controlled or even cannot be opened, which will affect the reservoir flood discharge and pose a serious threat to project safety. The device has the advantages of compact structure, large bearing capacity, light weight, and easy manual operation, and has great promotion value. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional view of the present invention.

[0018] Figure 2 This is a working status view of the present invention.

[0019] Figure 3 It is a side view of the present invention.

[0020] Figure 4 This is a view showing the positional relationship between the travel wheel and the bottom support block of the present invention.

[0021] Figure 5 It is a cross-sectional view of the present invention.

[0022] Figure 6 This is an enlarged view of the travel wheel structure of the present invention.

[0023] In the figure, 1-travel wheel mechanism, 2-frame, 3-hand wheel, 4-operating frame, 5-trapezoidal nut, 6-trapezoidal screw, 7-top support block, 8-side support block, 9-bottom support block, 10-locking table, 11-tightening table, 12-embedded parts, 13-wheel hub, 14-large sleeve, 15-wheel axle, 16-inner retaining ring, 17-inner sleeve, 18-bearing, 19-outer sleeve, 20-screw, 21-end plate, 22-outer retaining ring, 23-nut, 24-flat washer. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0025] Embodiment 1:

[0026] A mobile arc gate locking device as shown in the figure is characterized in that it includes a locking mechanism and a tightening mechanism, and the tightening mechanism is fixedly arranged above the locking mechanism; the locking mechanism includes a frame 2, an operating frame 4 and a supporting block; the supporting block is set as a solid square block, including a top supporting block 7, a bottom supporting block 9 and a side supporting block 8; the tightening mechanism includes a trapezoidal nut 5, a trapezoidal screw 6 and a handwheel 3; the operating frame 4 is fixedly arranged on the frame 2; the top support block 7 is arranged on the upper end surface of the frame 2; the bottom support block 9 is arranged on the lower end surface of the frame 2; the side support block 8 is arranged on the inner bottom of the frame 2; the trapezoidal nut 5 is fixedly arranged on the upper end surface of the frame 2 between the supporting block 7 and the operating frame 4; the trapezoidal screw 6 is threadedly connected and arranged in the trapezoidal nut 5; the handwheel 3 is connected and arranged at one end of the trapezoidal screw 6.

[0027] Embodiment 2:

[0028] On the basis of the above embodiments, in this embodiment, specifically, the frame 2 is configured as an inverted "L"-shaped solid frame, including a horizontal plate and a vertical plate perpendicular to the horizontal plate, so as to facilitate installation, and an embedded part 12 adapted thereto is provided on the ground, the side support block 8 and the bottom support block 9 are in contact with the embedded part 12 as a load-bearing member, and then the locking platform 10 is in contact with the top support block 7, and the trapezoidal screw 6 is tightened against the tightening platform to complete the locking; the operating frame 4 is configured as a square frame; the trapezoidal nut 5 is configured as a trapezoidal block with a threaded hole in the center; the trapezoidal screw 6 is configured to be in contact with the screw A threaded shaft adapted to the perforations; the handwheel 3 is arranged as a circular hub; the operating frame 4 is fixedly arranged on the upper end surface of the frame 2 away from the vertical plate; the top support block 7 is arranged on the upper end surface of the frame 2 close to the vertical plate; the bottom support block 9 is arranged on the lower end surface of the frame 2 away from the vertical plate; the side support block 8 is arranged on the inner bottom of the vertical plate; the trapezoidal nut 5 is fixedly arranged on the upper end surface of the frame 2 between the support block 7 and the operating frame 4; the trapezoidal screw 6 is threadedly connected and arranged in the trapezoidal nut 5; the handwheel 3 is connected and arranged at one end of the trapezoidal screw 6.

[0029] In this device, the support block cooperates with the embedded part 12 and the gate locking platform 10 to perform locking support, and the trapezoidal screw cooperates with the gate tightening platform 11 to perform locking and tightening. After the locking support and tightening, the arc gate is stably locked.

[0030] Embodiment 3:

[0031] On the basis of the above embodiment, in this embodiment, specifically, the device further includes a walking wheel mechanism 1 ; in order to facilitate walking, the walking wheel mechanism 1 is connected and arranged on one side of the bottom of the frame 2 .

[0032] Embodiment 4:

[0033] On the basis of the above embodiment, in this embodiment, specifically, the walking wheel mechanism 1 includes a wheel hub 13, a large sleeve 14, a wheel axle 15, an inner retaining ring 16, an inner sleeve 17, a bearing 18, an outer sleeve 19, a screw 20, an end plate 21, an outer retaining ring 22, a nut 23, and a flat washer 24; in order to facilitate rotation, the large sleeve 14 is fixedly arranged on the frame 2; the wheel axle 15 is arranged in the large sleeve (4; the inner retaining ring 16 is sleeved on the wheel axle 15 and connected to the large sleeve 14 ; The inner sleeve 17 is sleeved on the wheel axle 15 and connected to the inner retaining ring 16; the bearing 18 is sleeved on the wheel axle 15 and connected to the inner sleeve 17; the outer sleeve 19 is sleeved on the wheel axle 15 and connected to the bearing 18; the end plate 21 is sleeved on the wheel axle 15 and connected to the outer sleeve 19; the wheel hub 13 is sleeved on the bearing 18 and fixedly connected to the end plate 21 by screws 20; the nut 23 and the flat washer 24 are threadedly connected to the outermost end of the wheel axle 15.

[0034] Embodiment 5:

[0035] On the basis of the above embodiment, in this embodiment, specifically, in order to facilitate rotation, the inner sleeve 17 is connected to the inner ring of the bearing 18; and the outer sleeve 19 is connected to the outer ring of the bearing 18.

[0036] Embodiment 6:

[0037] On the basis of the above embodiment, in this embodiment, specifically, for stable installation, the axle 15 and the large sleeve 14 are interference fit.

[0038] Embodiment 7:

[0039] On the basis of the above embodiment, in this embodiment, specifically, in order to facilitate the flipping and withdrawal of the locking device, a rounded corner R is provided on the end surface of the bottom support block 9 .

[0040] Embodiment 8:

[0041] On the basis of the above embodiments, in this embodiment, specifically, in order to make the walking wheel mechanism 1 non-load-bearing, a gap is provided between the bottom surface of the bottom support block 9 and the bottom surface of the wheel hub 13 , and the bottom surface of the bottom support block 9 is higher than the bottom surface of the wheel hub 13 .

[0042] Embodiment 9:

[0043] On the basis of the above embodiments, in this embodiment, specifically, for the sake of stability during use, the frame 2 and the operating frame 4, the top support block 7, the side support block 8, the bottom support block 9, the trapezoidal nut 5, and the large sleeve 14 are welded and connected into a whole.

[0044] Embodiment 10:

[0045] On the basis of the above embodiments, in this embodiment, in order to improve the stability of the connection part, reinforcing ribs are arranged on both sides of the trapezoidal nut 5: "L"-shaped positioning plates are arranged on both sides of the frame 2, and the support block 8 is arranged on the inner side of the positioning plate.

[0046] In this device, the device is locked and supported by the support block, the embedded part 12 and the locking platform 10 of the gate, and locked and tightened by the trapezoidal screw 6 and the gate tightening platform 11. After locking and tightening, the arc gate is stably locked. When locking the gate, the bottom support block 9 contacts the embedded part 12 and bears the gravity load of the gate, and the hub 13 is suspended and does not bear the load. The bottom support block 9 is processed with a rounded corner to facilitate the flipping and withdrawal of the locking device after the locking is completed. The tightening mechanism uses a trapezoidal nut 5 and a screw to transmit the locking and tightening force. The thickness of the trapezoidal nut 5 is 1 to 1.3 times the nominal diameter of the thread, and the thread length of the trapezoidal screw is determined according to the structural requirements. One end of the trapezoidal screw is connected to a hand wheel 3 to facilitate the locking and tightening operation. The walking wheel is only used for the transportation and operation of the locking device, and does not participate in the gate gravity load when locking. The walking wheel hub 13 is made of lightweight materials such as nylon or MGC, which effectively reduces the weight of the locking device.

[0047] The "Example 1", "Example 2", "Example 3", "Example 4", etc. mentioned in this specification refer to the specific features, structures or characteristics described in conjunction with the embodiment included in at least one embodiment generally described in this application. The same expression appearing in multiple places in the specification does not necessarily refer to the same embodiment. Further, when describing a specific feature, structure or characteristic in conjunction with any embodiment, it is claimed that the realization of such feature, structure or characteristic in conjunction with other embodiments also falls within the scope of the present invention.

[0048] Although the present invention is described herein with reference to a number of illustrative embodiments of the present invention, it will be appreciated that those skilled in the art may devise many other modifications and implementations that fall within the scope and spirit of the principles disclosed herein. More specifically, within the scope of the present disclosure, drawings, and claims, a variety of variations and modifications may be made to the components and / or layout of the subject combination layout. In addition to the variations and modifications made to the components and / or layout, other uses will also be apparent to those skilled in the art.

Claims

1. A movable arc gate locking device, characterized in that: The invention comprises a locking mechanism and a tightening mechanism, wherein the tightening mechanism is fixedly arranged above the locking mechanism; the locking mechanism comprises a frame (2), an operating frame (4) and a supporting block; the supporting block is arranged as a solid square block, comprising a top supporting block (7), a bottom supporting block (9) and a side supporting block (8); the tightening mechanism comprises a trapezoidal nut (5), a trapezoidal screw (6) and a hand wheel (3); the operating frame (4) is fixedly arranged on the frame (2); the top supporting block (7) is arranged on the upper end surface of the frame (2); the bottom supporting block (9) is arranged on the lower end surface of the frame (2); the side supporting block (8) is arranged on the inner bottom of the frame (2); the trapezoidal nut (5) is fixedly arranged on the upper end surface of the frame (2) between the supporting block (7) and the operating frame (4); the trapezoidal screw (6) is threadedly connected and arranged in the trapezoidal nut (5); The hand wheel (3) is connected to one end of the trapezoidal screw (6); the frame (2) is set as an inverted "L"-shaped solid frame, including a horizontal plate and a vertical plate perpendicular to the horizontal plate; the operating frame (4) is set as a square frame; the trapezoidal nut (5) is set as a trapezoidal square block, with a threaded hole at the center; the trapezoidal screw (6) is set as a threaded shaft matched with the threaded hole; the hand wheel (3) is set as a circular hub; the operating frame (4) is fixedly set on the upper end surface of the frame (2) away from the vertical plate; the top support block (7) is set on the upper end surface of the frame (2) close to the vertical plate; the bottom support block (9) is set on the lower end surface of the frame (2) away from the vertical plate; the side support block (8) is set on the inner bottom of the vertical plate; the trapezoidal nut (5) is fixedly set on the upper end surface of the frame (2) between the support block (7) and the operating frame (4); The hand wheel (3) is connected to one end of the trapezoidal screw (6); the device also includes a walking wheel mechanism (1); the walking wheel mechanism (1) is connected to one side of the bottom of the frame (2).

2. The movable arc gate locking device according to claim 1, characterized in that: The walking wheel mechanism (1) comprises a wheel hub (13), a large sleeve (14), a wheel axle (15), an inner retaining ring (16), an inner sleeve (17), a bearing (18), an outer sleeve (19), a screw (20), an end plate (21), an outer retaining ring (22), a nut (23), and a flat washer (24); The large sleeve (14) is fixedly mounted on the frame (2); the wheel axle (15) is mounted in the large sleeve (14); the inner retaining ring (16) is sleeved on the wheel axle (15) and connected to the large sleeve (14); the inner sleeve (17) is sleeved on the wheel axle (15) and connected to the inner retaining ring (16); the bearing (18) is sleeved on the wheel axle (15) and connected to the inner sleeve (17); the outer sleeve (19) is sleeved on the wheel axle (15) and connected to the bearing (18); the end plate (21) is sleeved on the wheel axle (15) and connected to the outer sleeve (19); the wheel hub (13) is sleeved on the bearing (18) and fixedly connected to the end plate (21) via screws (20); the nut (23) and the flat washer (24) are threadedly connected to the outermost end of the wheel axle (15).

3. The movable arc gate locking device according to claim 2 is characterized in that: The inner sleeve (17) is connected to the inner ring of the bearing (18); and the outer sleeve (19) is connected to the outer ring of the bearing (18).

4. The movable arc gate locking device according to claim 2 is characterized in that: The wheel axle (15) and the large sleeve (14) are interference fit.

5. The movable arc gate locking device according to claim 1, characterized in that: A rounded corner R is provided on the end surface of the bottom support block (9).

6. The movable arc gate locking device according to claim 1, characterized in that: A gap is provided between the bottom surface of the bottom support block (9) and the bottommost surface of the wheel hub (13), and the bottom surface of the bottom support block (9) is higher than the bottommost surface of the wheel hub (13).

7. The movable arc gate locking device according to claim 1 is characterized in that: The frame (2) and the operating frame (4), the top support block (7), the side support block (8), the bottom support block (9), the trapezoidal nut (5), and the large sleeve (14) are welded and connected into a whole.

8. The movable arc gate locking device according to claim 1 is characterized in that: Reinforcing ribs are arranged on both sides of the trapezoidal nut (5); "L"-shaped positioning plates are arranged on both sides of the frame (2); and the support block (8) is arranged on the inner side of the positioning plate.

Citation Information

Patent Citations

  • Movable radial gate locking device

    CN212506141U