Automatic throwing and withdrawing lock device of water conservancy gate

Abstract

An automatic throwing and withdrawing lock device of a water conservancy gate comprises a motor, the motor drives a worm and gear assembly to work through a transmission structure, so that a transmission screw rod in the worm and gear assembly performs extension and retraction movement, an outer end of the transmission screw rod is connected with a locking beam, the locking beam can be moved to a locking position on the gate to lock the gate, and the motor is a forward and reverse motor. The automatic throwing and withdrawing lock device in the application drives the worm and gear assembly to work through the motor, the worm and gear assembly can drive the transmission screw rod to advance and retreat when working, and further drives the locking beam to advance and retreat, so that the locking beam can lock the gate, the degree of automation is high, manual carrying of the locking beam is not needed, and manpower is greatly saved.

Description

Technical Field

[0001] This utility model belongs to the field of water conservancy gate technology, specifically relating to an automatic locking and unlocking device for water conservancy gates. Background Technology

[0002] Water gates are key facilities in water conservancy projects used to control water flow. They achieve functions such as water level control, flood discharge, and water resource allocation by regulating the opening and closing of the gates.

[0003] Currently, most reservoir gates are flat steel gates. The reliability of gate operation depends mainly on the sturdiness of the matching hoist. The winch hoist, which uses steel wire rope as the traction method, is the most widely used hoisting equipment.

[0004] During operation, to keep the gate in a fixed position, a mechanical device is needed to lock it, transferring the weight of the gate from the wire rope to the mechanical locking structure to prevent the wire rope from deforming and breaking due to long-term tensile stress. In existing technology, most reservoir inlet and outlet gates are locked manually by engaging the mechanical lock in a specific position on the gate structure. This operation requires considerable manpower, and conventional mechanical locks are not convenient, quick, or accurate to engage or disengage. Furthermore, there are significant safety hazards during manual engagement and disengagement.

[0005] Based on the above situation, this application further designs and improves the locking and unlocking device for hydraulic gates. Utility Model Content

[0006] To address the shortcomings of the existing technology, this utility model provides an automatic locking and unlocking device for hydraulic gates. It optimizes the traditional manual locking and unlocking beam by replacing it with an automatic locking device using a motor-driven twin-screw locking beam. The device relies on the brake of the opening and closing mechanism for braking operation to solve the problem of long-term locking. It has a small footprint, is easy to operate, and saves manpower.

[0007] The present invention is solved by the following technical solution.

[0008] An automatic locking / unlocking device for a hydraulic gate includes a motor that drives a worm gear assembly via a transmission structure, causing the lead screw in the worm gear assembly to extend and retract. The outer end of the lead screw is connected to a locking beam, which can be moved to a locking position on the gate to lock it. The motor is a reversible motor.

[0009] The automatic locking and unlocking device in this application uses a motor to drive a worm gear assembly. When the worm gear assembly is working, it can drive the transmission screw to move forward and backward, which in turn drives the locking beam to move forward and backward, so that the locking beam can lock the gate. It has a high degree of automation, does not require manual handling of the locking beam, and greatly saves manpower.

[0010] In a preferred embodiment, the worm gear assembly is located on both sides of the motor; the transmission structure includes a T-type reversing reducer, the input end of which is connected to the motor shaft, and the output ends on both sides of the T-type reversing reducer are transmitted to the worm gear assembly via connecting shafts. In this structure, the worm gear assembly on both sides can be effectively driven by the motor drive and the transmission of the T-type reversing reducer, so that the transmission screws on both sides can synchronously and stably extend and retract to drive the movement of the locking beam, performing locking and unlocking operations.

[0011] In a preferred embodiment, couplings are used as needed to connect the connection structures in the transmission structure.

[0012] In a preferred embodiment, at least one side of the transmission screw is provided with a triggerable locking limiter and a unlocking limiter on its travel path. The limiters can be devices such as photoelectric sensors or limit switches. During the extension and retraction of the transmission screw, a limit signal is triggered to control the motor and prevent the transmission screw from moving beyond its limit.

[0013] In a preferred embodiment, the motor and worm gear assembly are housed in a housing, and the lead screw extends from the housing and is connected to the locking beam.

[0014] In a preferred embodiment, the locking beam is an I-shaped support steel beam with high structural strength.

[0015] In a preferred embodiment, a pressure sensor is provided on the locking beam, which includes a triggerable switch.

[0016] In a preferred embodiment, a telescopic spring is provided at the connection structure between the transmission screw and the locking beam to bear the stress release function of the locking beam and the transmission screw after the gate is locked.

[0017] Compared with the prior art, this utility model has the following advantages: it provides an automatic locking and unlocking device for hydraulic gates, optimizes the traditional manual locking and unlocking beam, and replaces it with an automatic locking device with a motor-driven double screw locking beam. It solves the problem of long-term locking by relying on the braking operation of the opening and closing mechanism. It has a small footprint, is easy to operate, and saves manpower. Attached Figure Description

[0018] Figure 1 This is a top view of the automatic locking / unlocking device of this utility model.

[0019] Figure 2 This is a front view of the automatic locking / unlocking device of this utility model.

[0020] Figure 3This is a side view of the automatic locking / unlocking device of this utility model.

[0021] Figure 4 This is a schematic diagram showing the working state of the automatic locking / unlocking device in this utility model. Detailed Implementation

[0022] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0023] In the following embodiments, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0024] In the description of this utility model, it should be understood that the terms such as center, longitudinal, transverse, length, width, thickness, upper, lower, front, back, left, right, vertical, horizontal, top, bottom, inner, outer, clockwise, and counterclockwise, indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description; therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features shown. In the description of this utility model, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," etc., should be interpreted broadly, and those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0025] See Figures 1 to 4 This utility model relates to an automatic locking / unlocking device for a hydraulic gate, comprising a motor 2. The motor 2 drives a worm gear assembly 4 through a transmission structure, causing the transmission screw 5 in the worm gear assembly 4 to extend and retract. A locking beam 6 is connected to the outer end of the transmission screw 5, which can be moved to a locking position on the gate to lock it. The motor 2 is a reversible motor, and can be a three-phase asynchronous motor. The connection structure in the transmission structure can be connected using a coupling 37 as needed. The motor 2 and the worm gear assembly 4 are housed in a housing 1, and the transmission screw 5 extends from the housing 1 and connects to the locking beam 6, resulting in a compact and stable overall structure.

[0026] Specifically, as can be seen from the accompanying drawings, in this embodiment, the worm gear assembly 4 is located on both sides of the motor 2; the transmission structure includes a T-type reversing reducer 3, the input end of which is connected to the rotating shaft of the motor 2, and the output ends on both sides of the T-type reversing reducer 3 are transmitted to the worm gear assembly 4 via connecting shafts 31. In this structure, the worm gear assembly 4 on both sides can be effectively driven by the motor 2 and the transmission of the T-type reversing reducer 3, so that the transmission screws 5 on both sides can extend and retract synchronously and stably to drive the movement of the locking beam 6, performing locking and unlocking operations.

[0027] Furthermore, in this application, at least one side of the transmission screw 5 is provided with a triggerable locking limiter 51 and a unlocking limiter 52 on its travel path. The limiter 52 can be a photoelectric sensor, a limit switch, or other device. During the extension and retraction of the transmission screw 5, a trigger limit signal is sent to control the operation of the motor 2 and prevent the transmission screw 5 from moving beyond its limit.

[0028] From the appendix Figure 3 As can be seen from the above, in this application, the locking beam 6 is a supporting steel beam with an I-shaped cross-section, which has high structural strength. A pressure sensor 61 is also installed on the locking beam 6, which includes a triggerable switch or sensor, such as a microswitch. When the gate pressure is applied, the microswitch is triggered, effectively using a change in stroke to replace pressure sensing and thus providing a sensing function. Furthermore, a telescopic spring 65 is installed at the connection between the transmission screw 5 and the locking beam 6 to provide stress relief for the locking beam 6 and the transmission screw 5 after the gate is locked.

[0029] Figure 4 The diagram shows the working state of the automatic locking / unlocking device (labeled as locking / unlocking mechanism in the figure). As can be seen from the figure, the steel gate on the left is provided with a recessed locking groove, and the locking / unlocking mechanism is on the right. When the motor is working, it can drive the transmission screw to extend or retract. When the transmission screw extends, it can cause the locking beam to enter the locking groove on the steel gate to complete the locking operation; when the transmission screw retracts, it can cause the locking beam to retract to complete the unlocking operation, which is very convenient.

[0030] As can be seen from the above description, the automatic locking and unlocking device in this application drives the worm gear assembly 4 to work through the motor 2. When the worm gear assembly 4 is working, it can drive the transmission screw 5 to move forward and backward, thereby driving the locking beam 6 to move forward and backward, so that the locking beam 6 can lock the gate. It has a high degree of automation, does not require manual handling of the locking beam, and greatly saves manpower.

[0031] Compared to existing technologies, this application optimizes the design of the traditional manual locking beam, replacing it with an automatic locking device using a motor-driven twin-screw type locking beam. This device relies on the braking operation of the opening and closing mechanism to solve the problem of prolonged locking. In this application, the housing 1 supports the installation and fixation of the locking device components. The locking beam supports the load of the steel gate. The transmission screw 5 uses a screw-type telescopic mechanism to support the moving locking beam 6. The motor serves as the power source for the locking device, and the reducer is used to slow down the movement speed of the push rod, increase the moving torque, and change the direction of force transmission. The limiters include positioners for locking / unlocking in place, locking beam release and landing, and gate locking position; these are sensors for accurate positioning of the locking / unlocking mechanism. The tension spring is the connecting part between the transmission screw and the locking beam, bearing the stress release of the transmission screw and locking beam after the gate is locked.

[0032] The advantages of the technical solution in this application are: the locking device has a simple structure and is easy to use; the transmission screw (electric push rod) adopts a screw-type telescopic mechanism, ensuring smooth and reliable operation; it accurately monitors the push rod position and the force and release status of the locking beam, improving safety and reliability. Connecting the transmission screw and locking beam with a tension spring solves both the problem of the locking beam moving freely when not under force and the problem of downward displacement without transmitting pressure to the screw when under force; this device can be integrated into an automatic control system, automatically completing the locking and unlocking actions based on the gate position and status, enabling unmanned operation and improving efficiency.

[0033] As described above, this utility model provides an automatic locking and unlocking device for hydraulic gates. It optimizes the traditional manual locking and unlocking beam by replacing it with an automatic locking device using a motor-driven twin-screw locking beam. The device relies on the brake of the opening and closing mechanism for braking operation to solve the problem of long-term locking. It has a small footprint, is easy to operate, and saves manpower.

[0034] The scope of protection of this utility model includes, but is not limited to, the above embodiments. The scope of protection of this utility model is defined by the claims. Any substitutions, modifications, or improvements to this technology that are easily conceived by those skilled in the art shall fall within the scope of protection of this utility model.

Claims

1. An automatic locking / unlocking device for a hydraulic gate, characterized in that, Includes a motor (2), which drives the worm gear assembly (4) to work through a transmission structure, so that the transmission screw (5) in the worm gear assembly (4) performs telescopic movement; The outer end of the transmission screw (5) is connected to a locking beam (6), which can be moved to the locking position on the gate to lock the gate; The motor (2) is a forward and reverse reversible motor.

2. The automatic locking / unlocking device for a hydraulic gate according to claim 1, characterized in that, The worm gear assembly (4) is located on both sides of the motor (2); The transmission structure includes a T-type reversing reducer (3), the input end of which is connected to the shaft of the motor (2), and the output ends on both sides of the T-type reversing reducer (3) are transmitted to the worm gear assembly (4) through the connecting shaft (31).

3. The automatic locking / unlocking device for a hydraulic gate according to claim 2, characterized in that, The connection structure in the transmission structure is connected using a coupling (37) as needed.

4. An automatic locking / unlocking device for a hydraulic gate according to claim 2, characterized in that, At least one of the drive screws (5) has a triggerable locking limiter (51) and a locking limiter (52) on its travel path.

5. The automatic locking / unlocking device for a hydraulic gate according to claim 1, characterized in that, The motor (2) and the worm gear assembly (4) are housed in the housing (1), and the transmission screw (5) extends out of the housing (1) and is connected to the locking beam (6).

6. The automatic locking / unlocking device for a hydraulic gate according to claim 1, characterized in that, The locking beam (6) is a supporting steel beam with an I-shaped cross section.

7. An automatic locking / unlocking device for a hydraulic gate according to claim 1, characterized in that, A pressure sensor (61) is provided on the locking beam (6).

8. An automatic locking / unlocking device for a hydraulic gate according to claim 1, characterized in that, A telescopic spring (65) is provided at the connection structure between the transmission screw (5) and the locking beam (6).

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