Anti-collision mechanism of gantry crane cart
By designing anti-collision mechanisms on the door machine truck, using components such as glass frames, reflectors, infrared sensors and anti-collision beams, the problem of the anti-collision device of the gantry crane being easily affected by environmental factors is solved, and a more stable and safe avoidance is achieved The system is blocked, reducing the risk of collision.
Patent Information
- Application Number
- CN202420363717.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-27
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-02-27
AI Technical Summary
The anti-collision devices of existing gantry cranes are susceptible to environmental factors, resulting in signal disorder and instability, and there is a risk of collision.
A collision-proof mechanism of a door machine truck is designed, including glass frames, reflectors, infrared sensors, springs, anti-collision beams, slide rods, lead screws, motors, mobile plates and scrapers in the protection box, through infrared sensors The alarm is triggered when the object is approaching, the anti-collision beam provides buffering after the collision, and the moving plate and scraper are driven by the motor to keep the system clean.
It effectively avoids the impact of environmental factors on the signal, improves the stability and safety of the obstacle avoidance system, reduces the potential risk of injury, and ensures the safety of operators.
Smart Images
Figure CN222249803U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of gantry crane transportation obstacle avoidance, in particular to an anti-collision mechanism of a gantry crane trolley. Background Art
[0002] With the development of lifting equipment technology, gantry cranes play an important role in cargo transportation. Gantry cranes are mainly used for cargo transportation in ports. They have the characteristics of high site utilization, large operating range, wide adaptability, and strong versatility. Gantry cranes can be controlled through the local driver's cab or through the remote control room. When multiple gantry cranes are running on the same track, due to the huge overall structure of the gantry crane, there is a risk of collision or collision with obstacles on the running track if the gantry crane is not properly controlled.
[0003] Application No. CN201420465752.0 provides an anti-collision device and a gantry crane, which obtains a signal by changing the distance between the sensor and the trigger device through collision. However, the above distance is easily affected by environmental factors. For example, dust may cause data disorder after being blocked, and the above signal will not be obtained until after the collision, which is dangerous and unstable. Utility Model Content
[0004] 1. Technical issues to be resolved
[0005] In view of the deficiencies in the prior art, the utility model provides an anti-collision mechanism for a gantry crane trolley, which solves the problems raised in the background technology.
[0006] (II) Technical solution
[0007] To achieve the above purpose, the utility model is implemented through the following technical solutions: an anti-collision mechanism of a gantry crane trolley, including a protection box, two glass frames are arranged in the protection box, the glass frames are suspended and installed on the back plate of the protection box, the two glass frames are respectively provided with a reflector and an infrared sensor, two springs distributed up and down are fixed in the middle position of the protection box, an anti-collision beam is arranged on the front side between the two glass frames, the front ends of the two springs are fixed to the anti-collision beam, two sliding rods distributed up and down are arranged in the front end of the protection box, and the left and right ends of the sliding rods are respectively connected to the left and right ends of the protection box. The inner wall is fixed, and a lead screw is provided at the rear of the upper end of the protection box. The left and right ends of the lead screw both penetrate the protection box and rotate relative to it. A motor is fixedly installed on the right side of the protection box, and the motor drives the lead screw to rotate. Two movable plates distributed left and right are provided between the two sliding rods. The upper and lower ends of the movable plate are respectively sleeved on the two sliding rods and slide left and right relative to them. Two transmittable thread sleeves are sleeved on the lead screw, and the thread sleeves are respectively fixed to the two movable plates. When the lead screw rotates, the two thread sleeves move relatively. A scraper is elastically hinged on the other side of the movable plate, and the scraper is respectively in contact with the front of the two glass frames.
[0008] Preferably, the glass surface of the glass frame is arranged to face forward, and the glass frame is fixed to the back plate of the protection box by means of an extended screw.
[0009] Preferably, the reflector and the infrared sensor are both located in the glass frame and are attached to the glass surface at the front end of the glass frame.
[0010] Preferably, the anti-collision beam is outside the protection box, and the front side of the anti-collision beam is an arc-shaped structure.
[0011] Preferably, slip rings are installed at both upper and lower ends of the movable plate, and the distances between the left and right movable plates and adjacent glass frames are the same.
[0012] Preferably, the back side of the movable plate is elastically hinged with two rocker arms, the other ends of the rocker arms are elastically hinged with the scraper, and torsion springs are installed at the elastically hinged positions.
[0013] (III) Beneficial effects
[0014] The utility model provides an anti-collision mechanism for a gantry crane trolley. It has the following beneficial effects:
[0015] 1. The anti-collision mechanism of the gantry crane trolley is equipped with a reflector, an infrared sensor, a glass frame and a scraper. The infrared sensor can emit and receive infrared signals. When an object approaches, it will detect the reflection of the signal and trigger the alarm system. Both are installed in the glass frame to avoid the influence of dust and sewage. When the motor rotates, it can drive the two moving plates to move away from or close to each other, so that the scraper can scrape off the dirt on the corresponding glass frame respectively. The rocker arm can increase the pressure between the scraper and the glass frame. Therefore, when the gantry crane moves, the obstacle avoidance system always remains clean, avoiding obstacle avoidance errors caused by various environmental factors such as obstructions, protecting the safety of operators, and reducing potential injury risks.
[0016] 2. The anti-collision mechanism of the gantry crane trolley is equipped with an anti-collision beam. After the collision, the spring of the anti-collision beam can be compressed to play a certain buffering effect. When the infrared detection fails, the anti-collision beam can play the final buffering role. The double protection increases safety. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the structure of the utility model;
[0018] Figure 2 This is a schematic diagram of the internal structure of the utility model;
[0019] Figure 3 This is a partial structural breakdown diagram of the utility model;
[0020] Figure 4 For this utility model Figure 2 A magnified view of the structure at center.
[0021] Among them, 1. Protection box; 2. Glass frame; 3. Spring; 4. Anti-collision beam; 5. Sliding rod; 6. Lead screw; 7. Motor; 8. Moving plate; 9. Thread sleeve; 10. Scraper; 11. Extended screw; 12. Rocker arm. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] The utility model provides an anti-collision mechanism for a gantry crane trolley:
[0024] like Figure 1-Figure 4As shown, it includes a protection box 1, in which two glass frames 2 are arranged, and the glass frames 2 are suspended and installed on the back plate of the protection box 1, the glass surface of the glass frame 2 is arranged to face forward, the glass surface is relatively thin, and the back of the glass frame 2 is hollowed out to achieve heat dissipation, and the glass frame 2 is fixed to the back plate of the protection box 1 by an extension screw 11, and a reflector and an infrared sensor are respectively arranged in the two glass frames 2, and the reflector and the infrared sensor are both in the glass frame 2 and fit with the glass surface at the front end of the glass frame 2, and the fitting position is dust-free, and the joint needs to be treated with sealant, and two springs 3 distributed up and down are fixed in the middle position of the protection box 1, and the inside of the springs 3 are provided with damping, and an anti-collision beam 4 is arranged on the front side between the two glass frames 2, and the anti-collision beam 4 is outside the protection box 1, and the anti-collision beam 4 is a combination of a steel beam and rubber, and the front of the anti-collision beam 4 is an arc structure, and the front ends of the two springs 3 are fixed to the anti-collision beam 4, and two sliding rods 5 distributed up and down are arranged in the front end of the protection box 1, and the left and right ends of the sliding rod 5 are respectively The left and right inner walls of the protection box 1 are fixed, and a lead screw 6 is provided at the rear of the upper end of the protection box 1. The left and right ends of the lead screw 6 both penetrate the protection box 1 and rotate relative to it. A motor 7 is fixedly installed on the right side of the protection box 1, and the motor 7 drives the lead screw 6 to rotate. Two movable plates 8 distributed left and right are provided between the two slide bars 5. The upper and lower ends of the movable plate 8 are respectively sleeved on the two slide bars 5 and slide left and right relative to them. Slip rings are installed at the upper and lower ends of the movable plate 8. The distances between the left and right movable plates 8 and the adjacent glass frames 2 are the same. Two drivable wire sleeves 9 are sleeved on the lead screw 6. The wire sleeves 9 are respectively fixed to the two movable plates 8. When the lead screw 6 rotates, the two wire sleeves 9 move relatively. The other side of the movable plate 8 is elastically hinged with a scraper 10, which is respectively in contact with the front sides of the two glass frames 2. The position where the scraper 10 contacts the glass surface is a rubber strip. The back of the movable plate 8 is elastically hinged with two rocker arms 12, and the other end of the rocker arm 12 is elastically hinged with the scraper 10, and torsion springs are installed at the elastic hinged position.
[0025] When in use, the infrared sensor can emit and receive infrared signals. When an object approaches, the reflection of the signal will be detected and the alarm system will be triggered. Both are installed in the glass frame 2 to avoid the influence of dust and sewage. The motor 7 can drive the two moving plates 8 to move away from or closer to each other when rotating, so that the scraper 10 can scrape off the dirt on the corresponding glass frame 2 respectively. The rocker arm 12 is set to increase the pressure between the scraper 10 and the glass frame 2. Therefore, when the door machine moves, the obstacle avoidance system always remains clean. When the infrared detection fails, the anti-collision beam 4 can act as a buffer.
[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An anti-collision mechanism for a gantry crane trolley, comprising a protection box (1), characterized in that: The protection box (1) is provided with two glass frames (2), the glass frames (2) are suspended and installed on the back plate of the protection box (1), the two glass frames (2) are respectively provided with a reflector and an infrared sensor, two springs (3) distributed up and down are fixed in the middle position of the protection box (1), an anti-collision beam (4) is provided on the front side between the two glass frames (2), the front ends of the two springs (3) are fixed to the anti-collision beam (4), two sliding rods (5) distributed up and down are provided in the front end of the protection box (1), the left and right ends of the sliding rods (5) are respectively fixed to the left and right inner walls of the protection box (1), a lead screw (6) is provided at the rear of the upper end of the protection box (1), and the left and right ends of the lead screw (6) are fixed to the left and right inner walls of the protection box (1), and the left and right ends of the lead screw (6) are fixed to the left and right inner walls of the protection box (1). The ends of the two sliding bars (5) penetrate the protection box (1) and rotate relative to the protection box (1). A motor (7) is fixedly installed on the right side of the protection box (1). The motor (7) drives the lead screw (6) to rotate. Two movable plates (8) distributed left and right are arranged between the two sliding bars (5). The upper and lower ends of the movable plate (8) are respectively sleeved on the two sliding bars (5) and slide relative to the left and right. Two drivable wire sleeves (9) are sleeved on the lead screw (6). The wire sleeves (9) are respectively fixed to the two movable plates (8). When the lead screw (6) rotates, the two wire sleeves (9) move relatively. The other side of the movable plate (8) is elastically hinged with a scraper (10). The scraper (10) is respectively in contact with the front surfaces of the two glass frames (2).
2. The anti-collision mechanism of a gantry crane trolley according to claim 1 is characterized in that: The glass surface of the glass frame (2) is arranged to face forward, and the glass frame (2) is fixed to the back plate of the protection box (1) via an extended screw rod (11).
3. The anti-collision mechanism of a gantry crane trolley according to claim 2 is characterized in that: The reflector and the infrared sensor are both located in the glass frame (2) and are attached to the glass surface at the front end of the glass frame (2).
4. The anti-collision mechanism of a gantry crane trolley according to claim 3 is characterized in that: The anti-collision beam (4) is located outside the protection box (1), and the front side of the anti-collision beam (4) is an arc-shaped structure.
5. The anti-collision mechanism of a gantry crane trolley according to claim 4, characterized in that: Slip rings are installed at both upper and lower ends of the movable plate (8), and the distances between the left and right movable plates (8) and adjacent glass frames (2) are the same.
6. The anti-collision mechanism of a gantry crane trolley according to claim 5, characterized in that: The back of the movable plate (8) is elastically hinged with two rocker arms (12), the other end of the rocker arm (12) is elastically hinged with the scraper (10), and torsion springs are installed at the elastic hinge positions.