A kind of anti-collision mechanical brake device for ship unloader trolley

Abstract

The utility model belongs to the technical field of engineering machinery, and specifically relates to an anti-collision mechanical brake device for a ship unloader trolley, comprising: a fixed shaft fixed on a vehicle body; a rotating cylinder rotatably connected to the fixed shaft, a first rod fixed on the top of the rotating cylinder, a first brake pad provided at the outer end of the first rod; a second rod fixed on the bottom of the rotating cylinder, a second brake pad provided at the outer end of the second rod; a return spring symmetrically sleeved on the fixed shaft and located at the outer end of the rotating cylinder. The utility model is provided with a vehicle body mechanical brake device composed of a fixed shaft, a rotating cylinder, a return spring and other components. When two trolleys approach, the vehicle body is decelerated and braked through the linkage of the rotating cylinder and the rod and brake pad provided on the rotating cylinder, and the vehicle body is no longer solely dependent on a mechanical limit switch to achieve deceleration and braking, which can improve the safety of the operation. In addition, the entire device has a simple structure, is easy to implement, and has a good application prospect.

Description

Technical Field

[0001] The utility model belongs to the technical field of engineering machinery, and in particular relates to an anti-collision mechanical brake device for a ship unloader trolley. Background Art

[0002] When multiple ship unloaders used in the bulk cargo operation area of ​​a port are simultaneously performing bulk cargo operations, there is a possibility that two ship unloaders may collide when the large vehicle is moving, thereby causing damage to the ship unloaders. In the prior art, there is a collision prevention device for ship unloaders, such as CN220466920U, which discloses an collision prevention device between ship unloaders, including a first ship unloader and a second ship unloader, both of which are provided with a limit housing, the limit housings on the first ship unloader and the second ship unloader are arranged relatively, a limit switch is arranged in the limit housing, a switch rotating plate is arranged on the limit switch, a rotating shaft is arranged on the limit housing, the rotating shaft on the first ship unloader is connected to a first anti-collision rod, the rotating shaft on the second ship unloader is connected to a second anti-collision rod, one end of the first anti-collision rod and the second anti-collision rod are both provided with a sleeve, the sleeve is sleeved on the outside of the rotating shaft, the sleeve is rotatably connected to the rotating shaft, and a dial plate is arranged on the sleeve. The anti-collision device between ship unloaders disclosed in the patent rotates upward through two anti-collision rods, thereby driving the paddle plate to push the switch plate to stop the ship unloader, effectively avoiding collision between the two ship unloaders. It is undeniable that the anti-collision device between ship unloaders disclosed in the patent can indeed achieve the above-mentioned effect, but it still has certain shortcomings: it drives the paddle plate to rotate through the sleeve, so that the paddle plate pushes the switch plate, and when the switch plate rotates to the closed position, the limit switch sends a signal to stop the ship unloader. It can be seen that the anti-collision between the ship unloaders mainly takes the form of the limit switch sending a stop signal, but if the limit switch is damaged and fails, it will cause the ship unloader to be unable to actively slow down and stop.

[0003] The information disclosed in this background technology section is only intended to increase the understanding of the overall background of the present invention, and should not be regarded as acknowledging or suggesting in any form that the information constitutes the prior art already known to a person skilled in the art. Utility Model Content

[0004] The utility model aims to provide a ship unloader trolley anti-collision mechanical brake device to solve the problems existing in the anti-collision devices between ship unloaders in the background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A ship unloader trolley anti-collision mechanical brake device, comprising:

[0007] A fixed axle fixed to the vehicle body;

[0008] A rotating cylinder is sleeved on the middle part of the fixed shaft and rotatably connected thereto, a first rod member tilted upward is fixed on the top of the rotating cylinder, and a first brake pad is provided on the outer end of the first rod member; a second rod member tilted downward is fixed on the bottom of the rotating cylinder, and a second brake pad is provided on the outer end of the second rod member;

[0009] A return spring is symmetrically sleeved on the fixed shaft and located at the outer end of the rotating cylinder, wherein one end of the return spring is fixed on the fixed shaft and the other end is fixed on the rotating cylinder.

[0010] Preferably, a fixing rod is fixed to each of the two ends of the fixing shaft, and one end of the fixing rod away from the fixing shaft is fixed to the vehicle body.

[0011] Preferably, the first brake pad and the second brake pad are crescent-shaped, and the first brake pad is convex outwardly on a side facing the first rod; and the second brake pad is concave inwardly on a side facing the second rod.

[0012] Preferably, a mechanical limit switch is fixed to the fixed shaft at a position outside the reset spring; a vertically upward trigger rod is fixed to the top of the rotating cylinder, and a pressure rod corresponding to the mechanical limit switch is fixed on the trigger rod; when the rotating cylinder rotates, the pressure rod touches the mechanical limit switch and triggers the mechanical limit switch.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model is provided with a vehicle body mechanical brake device composed of multiple components such as a fixed shaft, a rotating cylinder and a return spring. When two large vehicles approach, the vehicle body is decelerated and braked through the linkage of the rotating cylinder and the rod and brake pads arranged on the rotating cylinder. The vehicle body is no longer solely dependent on the mechanical limit switch to achieve deceleration and braking, which can improve the safety of the operation. The entire device has a simple structure, is easy to implement, and has a good application prospect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a state diagram of the utility model when the brakes are not applied;

[0016] Figure 2 This is a state diagram of the utility model when braking;

[0017] Figure 3 It is a structural schematic diagram of the fixed shaft and the fixed rod of the utility model.

[0018] Description of main reference numerals:

[0019] 1. Fixed shaft; 11. Fixed rod; 2. Rotating cylinder; 21. First rod; 22. First brake pad; 23. Second rod; 24. Second brake pad; 25. Trigger rod; 26. Press rod; 3. Return spring; 4. Mechanical limit switch; 5. Push rod. DETAILED DESCRIPTION

[0020] The following is a clear and complete description of the technical solution of the utility model patent. Obviously, the described embodiments are part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example

[0022] See attached Figure 1-3 , a ship unloader trolley anti-collision mechanical brake device, comprising:

[0023] A fixed shaft 1 is fixed to the first vehicle body, and a fixing rod 11 is fixed to each of the two ends of the fixed shaft 1, and one end of the fixing rod 11 away from the fixed shaft 1 is fixed to the first vehicle body; it should be noted that the other end of the fixing rod 11 is fixed to a position close to the wheel of the first vehicle body, and the wheel is rotatably connected to the shaft fixed to the first vehicle body, and the other end of the fixing rod 11 is fixed to the shaft, so the fixed shaft 1 will not rotate;

[0024] A rotating cylinder 2 is sleeved on the middle of the fixed shaft 1 and rotatably connected thereto, a first rod 21 tilted upward is fixed on the top of the rotating cylinder 2, and a first brake pad 22 is fixed on the outer end of the first rod 21; a second rod 23 tilted downward is fixed on the bottom of the rotating cylinder 2, and a second brake pad 24 is fixed on the outer end of the second rod 23; more specifically, the first brake pad 22 and the second brake pad 24 are crescent-shaped, and the first brake pad 22 is convex outward toward the side of the first rod 21; the second brake pad 24 is concave inward toward the side of the second rod 23;

[0025] A return spring 3 is symmetrically sleeved on the fixed shaft 1 and located at the outer end of the rotating cylinder 2 . One end of the return spring 3 is fixed on the fixed shaft 1 , and the other end is fixed on the rotating cylinder 2 .

[0026] A mechanical limit switch 4 is fixed to the fixed shaft 1 at a position outside the reset spring 3; a vertically upward trigger rod 25 is fixed to the top of the rotating cylinder 2, and a pressure rod 26 corresponding to the mechanical limit switch 4 is fixed on the trigger rod 25; when the rotating cylinder 2 rotates, the pressure rod 26 touches the mechanical limit switch 4 and triggers the mechanical limit switch 4.

[0027] In actual use, a push rod 5 extending in the width direction of the vehicle body is fixed on the second vehicle body, and the push rod 5 corresponds to the position of the trigger rod 25. When the first vehicle body and the second vehicle body are close to each other, the push rod 5 abuts against the trigger rod 25 and generates a thrust thereon. When the first vehicle body and the second vehicle body continue to be close to each other, the push rod 5 pushes the trigger rod 25 to rotate, and the trigger rod 25 drives the rotating cylinder 2 to rotate, the reset spring 3 is deformed, and the first rod 21 and the second rod 23 rotate. When the first rod 21 rotates, it drives the first brake pad 22 to rotate. After the first brake pad 22 rotates a certain angle, the first brake pad 22 is tightly in contact with the wheel of the first vehicle body, relying on the friction between it and the wheel to hinder the continued movement of the first vehicle body; similarly, when the second rod 23 rotates, it drives the second brake pad 24 to rotate. After the second brake pad 24 rotates a certain angle, the second brake pad 24 is tightly in contact with the ground, relying on the friction between it and the ground to hinder the continued movement of the first vehicle body; at the same time, when the trigger rod 25 rotates, the pressure rod 26 also rotates. After the pressure rod 26 rotates a certain angle, the pressure rod 26 touches the mechanical limit switch 4 and triggers the mechanical limit switch 4.

[0028] It should be noted that the mechanical limit switch 4 is connected to an external controller, and when the mechanical limit switch 4 is triggered, the mechanical limit switch 4 sends a signal to the external controller, and the external controller controls the first vehicle body to decelerate. This part is prior art and will not be described in detail here.

[0029] When the first vehicle body and the second vehicle body move away from each other, the push rod 5 separates from the trigger rod 25, and the reset spring 3 contracts and resets. When the reset spring 3 resets, it drives the rotating cylinder 2 to rotate and reset to the initial position.

[0030] The foregoing description of specific exemplary embodiments of the utility model is for the purpose of illustration and illustration. These descriptions are not intended to limit the utility model to the precise form disclosed, and it is clear that many changes and variations can be made based on the above teachings. The purpose of selecting and describing the exemplary embodiments is to explain the specific principles of the utility model and its practical application, so that those skilled in the art can realize and utilize various different exemplary embodiments of the utility model and various different options and changes. The scope of the utility model is intended to be defined by the claims and their equivalents.

Claims

1. A ship unloader trolley anti-collision mechanical brake device, characterized in that: include: A fixed axle fixed to the vehicle body; A rotating cylinder is sleeved on the middle part of the fixed shaft and rotatably connected thereto, a first rod member tilted upward is fixed on the top of the rotating cylinder, and a first brake pad is provided on the outer end of the first rod member; a second rod member tilted downward is fixed on the bottom of the rotating cylinder, and a second brake pad is provided on the outer end of the second rod member; A return spring is symmetrically sleeved on the fixed shaft and located at the outer end of the rotating cylinder, wherein one end of the return spring is fixed on the fixed shaft and the other end is fixed on the rotating cylinder.

2. The anti-collision mechanical brake device for a ship unloader trolley according to claim 1 is characterized in that: A fixing rod is fixed to both ends of the fixing shaft respectively, and one end of the fixing rod away from the fixing shaft is fixed on the vehicle body.

3. The anti-collision mechanical brake device for ship unloader trolley according to claim 1 is characterized in that: The first brake pad and the second brake pad are crescent-shaped, and the first brake pad is convex outwardly on a side facing the first rod; and the second brake pad is concave inwardly on a side facing the second rod.

4. The anti-collision mechanical brake device for a ship unloader trolley according to claim 1 is characterized in that: A mechanical limit switch is fixed to the fixed shaft at a position outside the return spring; A trigger rod pointing vertically upward is fixed on the top of the rotating cylinder, and a pressure rod corresponding to the mechanical limit switch is fixed on the trigger rod; when the rotating cylinder rotates, the pressure rod touches and presses the mechanical limit switch to trigger the mechanical limit switch.

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