Driving arm type bidirectional rotating gate

Abstract

The utility model discloses a driving arm type bidirectional rotating gate which comprises a rotating gate, a hydraulic oil cylinder and a locking device, and the hydraulic oil cylinder and the locking device are both installed on gate piers on the two sides of the rotating gate. The rotary gate comprises a gate body, a supporting arm and a driving arm, the supporting arm and the driving arm are arranged at the two ends of the gate body, the gate body and the supporting arm are connected or welded into a whole through high-strength bolts, one end of the driving arm is installed at the rotating center of the supporting arm, the driving arm and the supporting arm are hinged to a supporting hinge installed in a gate pier, and the other end of the driving arm is hinged to a gate pier. The middle of the driving arm is connected with the supporting arm through a pin shaft, the other end of the driving arm is connected with a hanging head of the hydraulic oil cylinder through a pin shaft, and the rotary gate is driven by the hydraulic oil cylinder to rotate around the supporting hinge. And a locking bolt of the locking device is inserted into a locking pin hole in the support arm to lock the rotary gate. The device is convenient to operate, high in efficiency and safe and reliable in operation process.

Description

TECHNICAL FIELD

[0001] The utility model relates to the gate applied to water conservancy and hydropower engineering and water transport engineering, concretely relates to the drive arm type bidirectional rotation gate. BACKGROUND

[0002] The bidirectional rotation gate can rotate downward to open and realize flood discharge through the gate top, and when the gate body lies in the gate bottom niche, the ship navigation requirement can be met, and the gate body can be rotated upward to above the water surface to meet the condition requirement of the gate body maintenance, and the upper structure is not needed in the engineering layout, so the gate can be well coordinated with the surrounding landscape, therefore, the bidirectional rotation gate has wide engineering application prospect.

[0003] The existing bidirectional rotation gate comprises a gate body, a support arm, a support hinge and a hydraulic cylinder, the support arm is hinged with the gate pier through the support hinge, and the gate rotates around the support hinge, the support arm is provided with two lifting lugs of a far end and a near end, and the two lifting lugs are connected with the hydraulic cylinder lifting head, the connection of the hydraulic cylinder lifting head with the near end lifting lug of the support arm can drive the gate body to rotate downward from the water retaining state to realize the normal opening and closing of the gate, and the connection of the hydraulic cylinder lifting head with the far end lifting lug of the support arm can drive the gate body to rotate upward from the water retaining state to realize the maintenance of the gate body.

[0004] The existing bidirectional rotation gate cannot be directly rotated upward from the full closed water retaining position, and the connection point of the driving hydraulic cylinder and the rotation gate needs to be switched first, and then the rotation gate can be rotated upward to the gate top for maintenance. When the hydraulic cylinder lifting head is switched and connected between the two lifting lugs of the far end and the near end on the support arm, the position of the hydraulic cylinder lifting head needs to be adjusted and fixed by using special auxiliary equipment at any time, the hydraulic cylinder lifting head and the lifting lug of the support arm need to be accurately centered, and the connection can be completed, the process is extremely difficult to operate, the efficiency is extremely low, and there are construction safety problems.

[0005] The existing bidirectional rotation gate adopts a fan-shaped support arm or a y-shaped special-shaped support arm, and the support arm type has the following defects:

[0006] 1) the counterweight cannot be added on the support arm to balance the self weight of the gate, so the driving torque of the driving device is large, 2) the support arm structure is weak, and the support arm is easy to deform under the impact of the navigation ship, so that the gate cannot normally operate, 3) the support hinge is exposed to the outside, and is easy to be directly impacted by the navigation ship, so that the support hinge is damaged, and there is a safety hazard. Therefore, the design of the working oil cylinder lifting point switching of the existing bidirectional rotation gate has defects, and the structure type of the support arm is also unreasonable. UTILITY MODEL CONTENTS

[0007] The utility model aims at solving the above problems and provides a bidirectional rotation gate with convenient, fast, safe and reliable lifting point switching operation.

[0008] The utility model discloses a technical scheme for:

[0009] The utility model discloses a drive arm formula bidirectional rotation gate, including rotating gate, hydraulic oil cylinder and locking device, hydraulic oil cylinder and locking device all install on the both sides pier of rotating gate, rotating gate includes door body, branch and drive arm, and branch and drive arm all set up in the both ends of door body, and door body is connected or welded as a whole with branch through high -strength bolt, and one end of drive arm installs rotating center of branch, and with branch together with the hinge of being installed in the pier, the middle part of drive arm is connected with branch through pin shaft, and the other end of drive arm is connected with the hanger of hydraulic oil cylinder through pin shaft, and rotating gate is driven by hydraulic oil cylinder and rotates around the hinge, and the locking bolt of locking device inserts locking pin hole on the branch, and rotating gate can be locked.

[0010] Further, the first drive pin hole, the second drive pin hole are provided on the branch, three locking pin holes are provided on the branch, which are the first locking pin hole located at the closed water blocking position of the rotating gate, the second locking pin hole located at the maintenance position of the door body, and the third locking pin hole located at the position of the door body lying on the gate bottom door niche, the lower end pin hole, the middle pin hole, and the upper end pin hole are provided on the drive arm, the lower end pin hole is installed at the rotating center of the branch, the lower end of the drive arm is hinged with the hinge installed in the pier together with the branch, and the upper end pin hole is connected with the hanger of the hydraulic cylinder through the pin shaft.

[0011] Further, the middle pin hole of the drive arm is connected and fixed with the first drive pin hole of the branch through the pin shaft at ordinary times, and the rotating gate is rotated and opened downward under the drive of the hydraulic oil cylinder, or the rotating gate is rotated and closed upward from the open position to block water.

[0012] Further, when the rotating gate is switched from the normal operation condition to the maintenance condition, the operation mode of the position switching of the drive arm is as follows: the rotating gate is locked in the first locking pin hole at the fully closed water blocking position of the rotating gate through the locking bolt of the locking device, the middle pin hole of the drive arm is connected and fixed with the second drive pin hole of the branch through the pin shaft after the pin shaft is removed under the drive of the hydraulic oil cylinder, and the locking bolt is inserted into the second locking pin hole on the branch after the rotating gate is unlocked under the drive of the hydraulic oil cylinder to rotate the rotating gate upward to the maintenance position.

[0013] Further, when the rotating gate is switched from the maintenance condition to the normal operation condition, the operation mode of the position switching of the driving arm is that: the rotating gate is locked in the first locking pin hole of the full-closed water-blocking position of the rotating gate through the locking pin of the locking device, the middle pin hole of the driving arm is connected and fixed through the pin shaft after the pin shaft is removed, and the driving arm is rotated to the first driving pin hole of the supporting arm under the driving of the hydraulic cylinder; after the rotating gate is unlocked, the rotating gate is rotated downward to the fully-opened position under the driving of the hydraulic cylinder, and the locking pin is inserted into the third locking pin hole on the supporting arm.

[0014] Compared with the prior art, the utility model has the advantages of:

[0015] 1) The utility model discloses a rotatable driving arm driving mode, without disassembling the lifting head connection of the driving hydraulic cylinder, the position switching of the driving arm can be completed under the condition of keeping the lifting head connection of the driving hydraulic cylinder, so that the operation is convenient, the efficiency is high and the operation process is safe and reliable.

[0016] 2) The utility model discloses a disc type supporting arm, and counterweights are filled in the box on the opposite side of the door body to balance the self-weight of the door body, so that the driving torque of the driving device is reduced, and the rotation stability of the rotating gate is enhanced.

[0017] 3) The utility model discloses a disc type supporting arm, and the supporting arm has large rigidity and strength, and strong anti-impact capacity, so that the safe and stable operation of the rotating gate is fully ensured.

[0018] 4) The utility model discloses a disc type supporting arm, and the cantilever type supporting hinge of the rotating gate is surrounded in the center, so that the cantilever type supporting hinge is protected from the direct impact of the ship, and the navigation safety of the project is improved. ACCURACY OF DRAWINGS

[0019] Figure 1 It is the top view of the utility model when the door body is in the closed water-blocking position.

[0020] Figure 2 It is the side sectional view of the utility model when the door body is in the closed water-blocking position.

[0021] Figure 3 It is the side sectional view of the utility model when the door body is in the gate bottom door niche.

[0022] Figure 4 It is the driving arm driving pin hole position switching schematic view of the utility model when the door body is in the closed water-blocking position.

[0023] Figure 5 It is the side sectional view of the utility model when the door body is in the gate top maintenance position.

[0024] In the diagram: 1-Swivel gate; 11-Gate body; 12-Disc support arm; 121-First drive pin hole; 122-Second drive pin hole; 123-First locking pin hole; 124-Second locking pin hole; 125-Third locking pin hole; 13-Counterweight; 2-Drive arm; 3-Hydraulic cylinder; 4-Locking device; 5-Cantilever hinge. Detailed Implementation

[0025] The present invention will now be described in detail with reference to specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any way. It should be noted that those skilled in the art can make several changes and improvements without departing from the concept of the present invention; therefore, all equivalent technical solutions should also fall within the scope of the present invention. These all fall within the protection scope of the present invention.

[0026] like Figure 1 As shown, the drive arm type bidirectional rotary gate of this utility model includes a rotary gate 1 located between two gate piers, a drive arm 2, hydraulic cylinders 3 installed on both gate piers, a locking device 4, and a cantilever hinge 5. The rotary gate 1 includes a gate body 11, a disc-shaped support arm 12, and a counterweight 13 arranged in the disc-shaped support arm 12.

[0027] like Figure 2 As shown, the gate body 11 and the disc-type support arm 12 are connected or welded together as a whole by high-strength bolts. The disc-type support arm 12, the drive arm 2, and the cantilever hinge 5 are hinged and rotate around the cantilever hinge 5. The disc-type support arm 12 is provided with a first locking pin hole 123, a second locking pin hole 124, and a third locking pin hole 125. When the locking device 4 pushes the pin into a certain locking hole, the rotating gate 1 is locked. The disc-type support arm 12 is provided with a first drive pin hole 121 and a second drive pin hole 122. The middle part of the drive arm 2 is provided with a shaft hole that can be connected to the first drive pin hole 121 and the second drive pin hole 122 on the disc-type support arm 12 via a shaft. The end of the drive arm 2 is connected to the lifting head of the hydraulic cylinder 3 via a shaft. When the central shaft hole of the drive arm 2 is connected to the first drive pin hole 121 via a shaft, the rotating gate 1 is opened and closed normally under the drive of the hydraulic cylinder 3: the gate body 11 can reciprocate between the closed water-blocking position and the position lying in the gate niche at the bottom; Figure 4 , Figure 5 As shown, when the middle shaft hole of the drive arm 2 is connected to the second drive pin hole 122 by a shaft, the gate body 11 can reciprocate between the closed water blocking position and the gate top maintenance position under the drive of the hydraulic cylinder 3.

[0028] like Figure 2As shown, the box of the disc type support arm 12 is filled with counterweight 13, which is arranged on both sides of the cantilever hinge 5 with the door body 11, to partially offset the weight moment of the door body 11, which is conducive to the stable operation of the rotating gate 1, and can also reduce the rated driving force of the hydraulic cylinder 3 to save investment.

[0029] As shown in the figure, Figure 2 When the rotating gate 1 is in the full-closed water-blocking state, the locking device 4 pushes the plug into the first locking pin hole 123, and the rotating gate 1 is locked in the full-closed water-blocking position.

[0030] As shown in the figure, Figure 3 When the rotating gate 1 is in the fully open state, the door body 11 is lying in the gate bottom door niche, and the locking device 4 pushes the plug into the third locking pin hole 125, and the rotating gate 1 is locked in the fully open position.

[0031] As shown in the figure, Figure 4 , Figure 5 In order to realize the upward rotation of the door body 11, it is necessary to switch the driving arm 2 from the first driving pin hole 121 position to the second driving pin hole 122 position. The specific working mode is: as shown in the figure, Figure 4 When the rotating gate 1 is in the full-closed water-blocking position, the locking device 4 pushes the plug into the first locking pin hole 123 to lock the rotating gate 1. Then remove the connecting shaft of the driving arm 2 and the disc type support arm 12, and then the hydraulic cylinder 3 pushes the driving arm 2 to rotate around the cantilever hinge 5 to the second driving pin hole 122, and then the driving arm 2 and the disc type support arm 12 are connected with the pin shaft. The hydraulic cylinder 3 pulls the driving arm 2 to rotate the rotating gate 1 to the position where the door body 11 lies on the gate top maintenance position, as shown in the figure, Figure 5 Finally, the locking device 4 pushes the plug into the second locking pin hole 124 to lock the rotating gate 1.

[0032] As shown in the figure, Figure 5 When the rotating gate 1 is in the maintenance position, after the maintenance is completed, the rotating gate 1 is unlocked by the locking device 4, and under the push of the hydraulic cylinder 3, the rotating gate 1 rotates downward to the closed water-blocking position. The locking device 4 pushes the plug into the first locking pin hole 123, and the rotating gate 1 is locked in the full-closed water-blocking position, and then the driving arm 2 is switched from the second driving pin hole 122 to the first driving pin hole 121. The specific working mode is: as shown in the figure, Figure 4 Remove the connecting shaft of the driving arm 2 and the disc type support arm 12, and then the hydraulic cylinder 3 pulls the driving arm 2 to rotate around the cantilever hinge 5 to the first driving pin hole 121, and then the driving arm 2 and the disc type support arm 12 are connected with the pin shaft. Under the driving of the hydraulic cylinder 3, the door body 11 rotates downward to open until it completely lies in the gate bottom door niche, and the locking device 4 pushes the plug into the third locking pin hole 125 to lock the rotating gate 1.

[0033] ​The specific embodiments of the present application are described above. It needs to be understood that the present application is not limited to the specific embodiments described above, and various changes or modifications can be made by those skilled in the art within the scope of the claims, which does not affect the essential content of the present application. In the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other arbitrarily.

Claims

1. A drive-arm bi-directional rotary gate, characterized by: The rotating gate comprises a rotating gate, a hydraulic cylinder and a locking device, the hydraulic cylinder and the locking device are installed on the two side piers of the rotating gate; the rotating gate comprises a gate body, a support arm and a driving arm, the support arm and the driving arm are arranged at the two ends of the gate body, the gate body and the support arm are connected or welded as a whole through high-strength bolts, one end of the driving arm is installed at the rotation center of the support arm and is hinged with a support hinge installed in the pier, the middle part of the driving arm is connected with the support arm through a pin shaft, the other end of the driving arm is connected with the lifting head of the hydraulic cylinder through a pin shaft, the rotating gate is driven by the hydraulic cylinder to rotate around the support hinge, and the locking bolt of the locking device is inserted into the locking pin hole on the support arm to lock the rotating gate.

2. The drive-arm bi-directional rotary gate according to claim 1, wherein: The support arm is provided with a first driving pin hole and a second driving pin hole; the support arm is provided with a first locking pin hole located at the closed water-blocking position of the rotating gate, a second locking pin hole located at the maintenance position of the gate body and a third locking pin hole located at the pier bottom gate niche position of the gate body; the driving arm is provided with a lower end pin hole, a middle part pin hole and an upper end pin hole; the lower end pin hole is installed at the rotation center of the support arm, the lower end of the driving arm is hinged with the support hinge installed in the pier together with the support arm, and the upper end pin hole is connected with the lifting head of the hydraulic cylinder through a pin shaft.

3. The drive-arm bi-directional rotary gate according to claim 2, wherein: The middle part pin hole of the driving arm is connected and fixed with the first driving pin hole of the support arm through a pin shaft at ordinary times, and the rotating gate is opened downward under the driving of the hydraulic cylinder, or the rotating gate is closed upward from the open position to block water.

4. The drive-arm bi-directional rotary gate of claim 2, wherein: When the rotating gate is switched from the normal operation condition to the maintenance condition, the rotating gate is locked in the first locking pin hole at the fully closed water-blocking position of the rotating gate through the locking bolt of the locking device, the middle part pin hole of the driving arm is connected and fixed with the second driving pin hole of the support arm through a pin shaft after the pin shaft is removed, and the driving arm is rotated to the second driving pin hole of the support arm under the driving of the hydraulic cylinder; after the rotating gate is unlocked, the rotating gate is rotated upward to the maintenance position under the driving of the hydraulic cylinder, and the locking bolt is inserted into the second locking pin hole of the support arm.

5. The drive-arm bi-directional rotary gate of claim 2, wherein: When the rotating gate is switched from the maintenance condition to the normal operation condition, the rotating gate is locked in the first locking pin hole at the fully closed water-blocking position of the rotating gate through the locking bolt of the locking device, the middle part pin hole of the driving arm is connected and fixed with the first driving pin hole of the support arm through a pin shaft after the pin shaft is removed, and the driving arm is rotated to the first driving pin hole of the support arm under the driving of the hydraulic cylinder; after the rotating gate is unlocked, the rotating gate is rotated downward to the fully open position under the driving of the hydraulic cylinder, and the locking bolt is inserted into the third locking pin hole of the support arm.

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