CN219529969U - Actuating mechanism driven by hydraulic pressure signal - Google Patents

Abstract

The utility model discloses an actuating mechanism driven by a hydraulic signal, which can execute torsion action on power shafts of some equipment under the condition of a pressurized water source, and belongs to the technical field of structures of products. The main structure comprises a hydraulic device, a fixing seat, a clamping hook, a transmission connecting rod, a rotating shaft and a balancing weight. The accessory fittings are compression springs and nuts. After the water source is connected to generate pressure, the existence of the water source pressure is used as a signal source, the telescopic end of the hydraulic device extends outwards, so that the clamping hook moves, the transmission connecting rod is twisted along with the movement of the clamping hook, the rotating shaft is twisted, and the whole actuating mechanism completes the twisting action. The three characteristics of good reliability, low cost and convenient output torque adjustment are achieved.

Description

Actuating mechanism driven by hydraulic pressure signal

Technical Field

The utility model relates to an actuating mechanism driven by a hydraulic signal, which is used for executing torsion action on power shafts of some equipment in a pressurized water source environment, and belongs to the technical field of structures of products.

Background

The signal sources for opening and closing some shutters, flapper valves and fire doors usually use electrical signals; when a fire occurs, the power shafts of the devices correspondingly execute torsion actions to enable the devices to be opened or closed; however, some fire terminals are limited by conditions, do not have an electric signal source, or require a stable, reliable and commonly used medium as the signal source under special conditions such as interruption of the electric signal source due to fire; the pressure water source is a common medium in the fire-fighting system, so that the requirements are met; for the special condition that only a pressure water source exists, an actuator driven by the existence of water pressure as a signal source is provided, so that corresponding actions are generated when fire occurs to the fireproof equipment.

Disclosure of Invention

The utility model provides an actuating mechanism driven by a hydraulic signal, which uses a pressure water source as a signal source to execute torsion action on power shafts of some fire-fighting equipment; the fire-fighting equipment can be opened or closed correspondingly by taking the existence of water source pressure as a signal under the condition of only pressure water source.

In order to achieve the above object, the present utility model proposes the following structure: an actuating mechanism driven by a hydraulic signal mainly comprises a hydraulic device, a fixed seat, a clamping hook, a transmission connecting rod, a rotating shaft, a balancing weight, and a plurality of finished products, namely compression springs and nuts; in the description of the present utility model, in order to better describe the positional relationship of the parts in the present utility model, it should be understood that the terms "left", "right", "vertical", "horizontal", "vertical", "coaxial", "clockwise", etc. refer to the orientation or position based on the illustrated orientation relationship in the drawings.

The method is characterized in that: the fixing seat is made of metal plates, and is bent and processed into an S shape; the axis of the hydraulic device is in a horizontal state; external threads are arranged at two ends of the fixing seat and are installed on the fixing seat in a nut clamping mode; the right end of the hydraulic device is connected with a pressure water source; the clamping hook is welded at the end part of the telescopic end of the hydraulic device, is vertical to the hydraulic device and is kept vertical; a compression spring is arranged between the fixing seat and the clamping hook, the compression spring and the hydraulic device are coaxially arranged, and the clamping hook can only perform relative movement in the horizontal direction along the axial direction of the hydraulic device; the rotating shaft can only rotate and the relative position of the rotating shaft and the fixing seat is unchanged; the transmission connecting rod is welded and fixed with the rotating shaft and can twist together; in an initial installation state, under the influence of the gravity of the balancing weight, the transmission connecting rod has a clockwise torsion trend, and the clamping hook can clamp and limit the left end of the transmission connecting rod; the balancing weight is fixed at the right end of the transmission connecting rod by using a bolt; the balancing weight adjusts self weight according to the output torque force requirement.

Further, the right side welding of fixing base left end has round steel pipe, and round steel pipe internal diameter is greater than compression spring external diameter, and with compression spring, hydraulic means is coaxial.

Further, the lower end of the clamping hook is welded with a round steel pipe; the inner diameter of the round steel pipe is larger than the outer diameter of the compression spring, and is coaxial with the compression spring and the hydraulic device.

Further, the compression spring is placed in the concentric steel tube on the fixing seat and the clamping hook.

Further, the balancing weight can increase and decrease the number according to the requirement of the output torque force.

Further, the length of the transmission connecting rod can be adjusted according to the requirement of output torsion.

Further, the distance between the axis of the rotating shaft and the gravity center of the balancing weight can be adjusted according to the requirement of output torsion.

Working principle: after the fixing seat is fixed, the pressure generated instantaneously by the pressure water source communicated by the hydraulic device is used as a signal, the telescopic section of the hydraulic device stretches out leftwards to drive the clamping hook to compress the spring leftwards to move, the left end of the transmission connecting rod is separated from the limiting constraint of the clamping hook and is influenced by the gravity of the balancing weight, and the transmission connecting rod forms a lever structure to twist clockwise; the rotating shaft connected with the transmission connecting rod is twisted along with the transmission connecting rod; and executing torsion action outwards.

The existing executing mechanism mainly uses electric signals; executing mechanisms using a pressure water source as a signal source are rare at present; however, in some demanding, pressurized water only scenarios, the present utility model is required to perform the operation.

Advantageous effects

1. Compared with an electric signal electrically driven actuator, the utility model has the advantages of mechanical structure, simpler structure, lower cost, more reliable operation and more energy saving.

2. The utility model can be freely adjusted according to the torsion requirement of the connected equipment.

3. In summary, the utility model has three characteristics of good reliability, low cost and convenient and fast output torque adjustment; the actuator is suitable for use in environments where there is a pressurized water source.

Drawings

Fig. 1 is an axial view of the structure of the present utility model.

Fig. 2 is a front view of the present utility model.

In the figure, a hydraulic device [ 1 ], a fixing seat [ 2 ], a clamping hook [ 3 ], a transmission connecting rod [ 4 ], a rotating shaft [ 5 ], a balancing weight [ 6 ], a compression spring [ 7 ] and a nut [ 8 ].

Detailed Description

In the embodiment 1, the condition that electric elements are not arranged around the fireproof shutter of a certain ventilation pipeline is not provided, when a fire disaster occurs, the fire-fighting nozzle is required to perform water spraying operation according to the fireproof requirement, and the fireproof shutter is required to be closed at the same time; an actuator is required to operate the fire protection shutter; the fixing seat (2) of the utility model is fixed at the proper position of the fireproof shutter; a branch pipeline is led out from a site fire-fighting water pipe and is connected with a hydraulic device [ 1 ]; the power shaft responsible for the fireproof shutter switch is fixed with the rotating shaft [ 5 ]; when a fire occurs, a fire water pipeline starts to supply water, and the corresponding fire water pipeline is used as a signal, so that a series of actions are generated, namely, the hydraulic device [ 1 ] is internally filled with water to enable the telescopic end to extend outwards, the clamping hook [ 3 ] moves along with the telescopic end, the compression spring [ 7 ] is compressed, the end part of the transmission connecting rod [ 4 ] is tripped, the balancing weight [ 6 ] drops to drive the transmission connecting rod [ 4 ] to twist, the rotating shaft [ 5 ] is twisted along with the balancing weight, and the power shaft of the protection shutter connected with the rotating shaft [ 5 ] is twisted along with the balancing weight; closing the fireproof shutter; further, the speed and the closing tightness of the fireproof shutter switch can be adjusted by increasing the weight of the balancing weight.

Claims (7)

1. The actuating mechanism driven by the hydraulic signal comprises a fixed seat, wherein a hydraulic device is arranged on the fixed seat; a clamping hook is fixed at the telescopic end of the hydraulic device; a compression spring is arranged between the horizontal direction of the clamping hook and the fixed seat; the end part of the transmission connecting rod is buckled in the vertical direction by the clamping hook; the center of the transmission connecting rod is fixed with the end part of the rotating shaft; the end part of the transmission connecting rod is fixedly connected with the balancing weight; the rotating shaft is used as an output executing end and is connected with equipment needing to generate torsion action.

2. The actuating mechanism driven by a hydraulic signal according to claim 1, wherein the fixing seat is completely fixed, and is used as a reference anchor point after the position is determined, so that no relative displacement is generated; the material is a metal plate, and is bent and processed into an S shape.

3. The actuating mechanism driven by a hydraulic signal according to claim 1, wherein the axis of the hydraulic device is in a horizontal state, external threads are arranged at two ends of the actuating mechanism, and the actuating mechanism is clamped and mounted on the fixed seat by nuts; the tail end of the hydraulic device is connected with a pressure water source, and the telescopic end of the hydraulic device stretches out and stretches out in a water-through state of the pressure water pipe.

4. The actuator driven by a hydraulic signal according to claim 1, wherein the hook is welded at the end of the telescopic end of the hydraulic device and is vertical to the hydraulic device and kept vertical; and a compression spring is arranged between the fixed seat and the clamping hook, the compression spring and the hydraulic device are coaxially arranged, and the clamping hook can only perform relative movement in the horizontal direction on the hydraulic device along the axis.

5. An actuator driven by a hydraulic signal according to claim 1, wherein said rotary shaft is rotatable only and the relative position to said fixed base is unchanged.

6. An actuator driven by a hydraulic signal according to claim 1, wherein said transmission link is welded to said rotary shaft and is capable of being twisted together; in an initial installation state, the transmission connecting rod has a torsion trend under the influence of the gravity of the balancing weight, and the clamping hook can be fastened at the left end of the transmission connecting rod.

7. The actuator driven by a hydraulic signal according to claim 1, wherein said weight is fixed to the other end of said transmission link with respect to said hook; the balancing weight adjusts self weight according to the output torque force requirement.