Anti-collision gantry crane

By installing an infrared ranging device and control system on the gantry crane, and utilizing a reduction wheel and friction block structure, the problem of multiple cranes colliding on the track was solved, thereby improving safety and equipment lifespan.

CN223752278UActive Publication Date: 2026-01-02HENAN MCC CRANE GRP CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520358374.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-03
Publication Date
2026-01-02
Estimated Expiration
2035-03-03

AI Technical Summary

Technical Problem

On a limited track, collisions are likely to occur between multiple gantry cranes, which is difficult to avoid effectively with existing technology.

Method used

By installing an infrared ranging device, a motor, gears, and a threaded rod control system on the gantry crane, and utilizing a reduction wheel and friction block structure, the crane can automatically decelerate and stop when it detects that the distance is too close, thus avoiding collisions.

Benefits of technology

It effectively avoids collisions between cranes, improves safety and equipment lifespan, and reduces equipment damage.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223752278U_ABST
    Figure CN223752278U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of cranes, in particular to an anti-collision gantry crane, which comprises a portal frame, a lifting device is arranged on the portal frame, moving devices are fixed on two sides of the bottom end of the portal frame, a plurality of rollers are arranged at the bottom end of each moving device, a structural groove is formed in the bottom end of each moving device, and the structural grooves are arranged in the structural grooves. According to the anti-collision gantry crane, a motor, a first gear, a second gear, a first threaded rod and a second threaded rod are arranged to be matched, under the control of a control module, when an infrared distance measuring device detects that the distance is too short, through compilation setting of the control module, the anti-collision gantry crane is driven to move, and the anti-collision gantry crane is driven to move. The middle block and the side blocks move downwards and make contact with the track in sequence, under the action of the speed reduction wheel and the strong damping rotating shaft, the speed of the crane is decreased, shaking caused by sudden stop is effectively avoided, the crane stops when the side blocks move downwards and the friction blocks make contact with the track, and collision is avoided.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to a crane technical field, concretely is a kind of anti-collision gantry crane. BACKGROUND

[0002] Crane refers to the multi-action hoisting machinery of vertical lifting and horizontal handling heavy goods in certain range, is widely used in industrial production, construction, port loading and unloading, logistics transportation, has irreplaceable role for improving production efficiency and guaranteeing the safety of goods transportation;

[0003] Among them, the most common is gantry crane, commonly used in factory and other sites, gantry crane is usually moved on track, in order to improve efficiency when using, multiple gantry cranes are provided on the same track, due to the limitation of site and track length, there will be the problem that collision occurs between cranes, in view of the above problem, the present application designs a kind of anti-collision gantry crane. CONTENT OF UTILITY MODEL

[0004] (I) the technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides an anti-collision gantry crane.

[0006] (II) technical scheme

[0007] In order to achieve the above object, the utility model provides the following technical scheme: A kind of gantry crane of anti-collision, including portal frame, hoisting device is arranged on the portal frame, the bottom end both sides of the portal frame are fixed with moving device, the bottom end of the moving device is provided with multiple rollers, the bottom end of the moving device is equipped with structure groove, middle slide block is slidably connected in the middle position in the structure groove, the bottom end of the middle slide block is symmetrically rotatably connected with speed reducer, speed reducer and middle slide block are connected by strong damping rotating shaft between, rubber tire is arranged on the outer wall of speed reducer, side slide block is slidably connected in both sides position in the structure groove, the bottom end of the side slide block is fixed with friction block, limiting convex strip is arranged on the side wall of middle slide block and side slide block, limiting slide groove that is adapted to limiting convex strip is equipped on the inner wall of the structure groove, limiting convex strip is slidably connected in limiting slide groove, motor is installed on the inner top wall of the structure groove, the output of the motor is fixed with first gear, second gear is rotatably connected on the inner top wall of the structure groove in the both sides of first gear, second gear is engaged with first gear, the bottom end of the first gear is fixed with first threaded rod, the first threaded rod is threadedly connected with middle slide block, the bottom end of the second gear is fixed with second threaded rod, the second threaded rod is threadedly connected with the side slide block of same side, control module is arranged on the moving device, infrared distance measuring device is installed on the both sides of the portal frame at top end position, infrared distance measuring device, moving device and motor are electrically connected with the control module of same side.

[0008] In order to timely remind operating personnel, timely keep the control of portal frame and prevent collision, the utility model improves, the top end of the moving device is installed with prompt light at both sides, and the prompt light is electrically connected with the control module of same side.

[0009] In order to be able to determine the position of crane in weak light environment, the utility model improves, and the front and rear side walls of the portal frame are provided with reflective warning strips.

[0010] In order to reduce the damage of crane when collision occurs, the utility model improves, and the front and rear ends of the moving device are fixed with anti-collision rubber pads.

[0011] In order to improve the service life of crane, the utility model improves, and the outer walls of the portal frame and moving device are provided with antioxidant coating.

[0012] (Three) beneficial effects

[0013] Compared with the prior art, the utility model provides a kind of gantry crane of anti-collision, with the following beneficial effects:

[0014] The anti-collision gantry crane, through cooperation of the motor, the first gear, the second gear, the first threaded rod and the second threaded rod, and under control of the control module, when the infrared distance measuring device detects that the distance is too close, through compiling setting of the control module, realizes downward movement of the middle block and the side block, sequentially contacts the track, under action of the speed reducer and the strong damping rotating shaft, slows down the crane speed, effectively avoids shaking caused by emergency stop, and stops at the same time that the side block moves downward and the friction block contacts the track, avoids collision. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the first main view structural schematic diagram of the utility model;

[0016] Figure 2 It is the first partial structure schematic diagram of the utility model in section;

[0017] Figure 3 It is the second partial structure schematic diagram of the utility model in section;

[0018] Figure 4 It is the third partial structure schematic diagram of the utility model.

[0019] In the drawing: 1, gantry; 2, hoisting device; 3, moving device; 4, roller; 5, structure groove; 6, middle sliding block; 7, speed reducer; 8, strong damping rotating shaft; 9, rubber tire; 10, side sliding block; 11, friction block; 12, limiting convex strip; 13, limiting sliding slot; 14, motor; 15, first gear; 16, second gear; 17, first threaded rod; 18, second threaded rod; 19, control module; 20, infrared distance measuring device; 21, prompt light; 22, reflective warning strip; 23, anti-collision rubber pad. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Please refer to Figures 1-4The utility model provides an anti -collision gantry crane, including gantry 1, be provided with hoisting device 2 on the gantry 1, the bottom end both sides of gantry 1 are fixed with mobile device 3, the bottom end of mobile device 3 is provided with a plurality of gyro wheel 4, the bottom end of mobile device 3 is opened with structure groove 5, the middle position in structure groove 5 is slidably connected with middle slide 6, the bottom end of middle slide 6 is rotatably connected with speed reducer 7, speed reducer 7 and middle slide 6 are connected through strong damping rotation axis 8, the outer wall of speed reducer 7 is provided with rubber tire 9, the both sides position in structure groove 5 is slidably connected with side slide 10, the bottom end of side slide 10 is fixed with friction block 11, the side wall of middle slide 6 and side slide 10 is provided with limiting convex strip 12, the inner wall of structure groove 5 is opened with the limiting slide groove 13 of adapting of limiting convex strip 12, limiting convex strip 12 is slidably connected in limiting slide groove 13, the inner top wall of structure groove 5 is installed with motor 14, the output of motor 14 is fixed with first gear 15, the inner top wall of structure groove 5 is rotatably connected with second gear 16 in the both sides of first gear 15, second gear 16 is engaged with first gear 15, the bottom end of first gear 15 is fixed with first threaded rod 17, and first threaded rod 17 is threadedly connected with middle slide 6, the bottom end of second gear 16 is fixed with second threaded rod 18, and second threaded rod 18 is threadedly connected with the side slide 10 of same side, mobile device 3 is provided with control module 19, and the front and rear both sides of gantry 1 are installed with infrared distance measuring device 20 in top end position, infrared distance measuring device 20, mobile device 3 and motor 14 are electrically connected with the control module 19 of same side.

[0022] In use, when the crane moves on the track, the moving device 3 rotates the rollers 4, thereby driving the gantry 1 and the hoisting device 2 to move, the control module 19 is programmed to control the motor 14 to start when the infrared distance measuring device 20 on the gantry 1 detects that the distance is too close and transmits the data to the control module 19, the first gear 15 is engaged with the second gear 16, thereby driving the second gear 16 to rotate, the first gear 15 and the second gear 16 drive the first threaded rod 17 and the second threaded rod 18 to rotate, respectively, the middle sliding block 6 and the side sliding block 10 connected by threads on the first threaded rod 17 and the second threaded rod 18 move downward along the limiting sliding groove 13 synchronously, the speed of the moving device 3 slowly decreases under the action of friction and the strong damping shaft 8 when the rubber tire 9 contacts the track, effectively avoiding the sliding caused by sudden stop, the middle sliding block 6 and the side sliding block 10 continue to move downward, at this time the rubber tire 9 is compressed, and the friction block 11 at the bottom of the side sliding block 10 contacts the track, causing strong friction, so that the moving device 3 stops moving, when it stops, the control module 19 controls the motor 14 to rotate in the opposite direction, so that the middle sliding block 6 and the side sliding block 10 move downward to the initial position, effectively preventing the crane from colliding.

[0023] In actual use, it is found that in order to timely remind the operator and timely maintain control of the gantry 1 to prevent accidental collision, in the embodiment, the top end of the moving device 3 is provided with a prompt light 21 on the front and rear sides, and the prompt light 21 is electrically connected with the control module 19 on the same side.

[0024] In actual use, it is found that when the light is weak, the position of the crane cannot be distinguished, and the personnel is easy to knock when moving, in order to solve the above problems, in the embodiment, the front and rear side walls of the gantry 1 are provided with reflective warning strips 22.

[0025] In actual use, in order to avoid accidental collision and reduce the damage of collision, in the embodiment, the front and rear ends of the moving device 3 are fixed with anti-collision rubber pads 23.

[0026] In actual use, in order to improve the service life of the crane, in the embodiment, the gantry 1 and the moving device 3 are provided with an antioxidant coating on the outer wall.

[0027] In order to explain the possible application scenarios, technical principles, specific implementation schemes, and the purposes and effects of the present application in detail, the following will be described in detail in combination with the specific embodiments listed and the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present application, and therefore only serve as examples, and cannot limit the protection scope of the present application.

[0028] In this paper, the term "embodiment" means that the specific features, structures or characteristics described in combination with the embodiment can be included in at least one embodiment of the present application. The term "embodiment" appearing at various places in the specification does not necessarily refer to the same embodiment, and does not particularly limit the independence or association between other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, each technical feature mentioned in each embodiment can be combined in any way to form a corresponding implementable technical solution.

[0029] Unless otherwise defined, the meaning of the technical terms used herein is the same as that generally understood by those skilled in the art to which the present application belongs; the use of related terms herein is only for the purpose of describing specific embodiments, and is not intended to limit the present application.

[0030] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A collision-resistant gantry crane, comprising a gantry frame (1), characterized in that: A lifting device (2) is installed on the gantry frame (1). A moving device (3) is fixed on both sides of the bottom end of the gantry frame (1). Multiple rollers (4) are provided at the bottom end of the moving device (3). A structural groove (5) is opened at the bottom end of the moving device (3). A middle slider (6) is slidably connected in the middle position of the structural groove (5). A reduction wheel (7) is symmetrically rotatably connected to the bottom end of the middle slider (6). The reduction wheel (7) and the middle slider (6) are connected by strong damping. A rotating shaft (8) is connected, and a rubber tire (9) is provided on the outer wall of the reduction wheel (7). Side sliders (10) are slidably connected on both sides of the structural groove (5). A friction block (11) is fixed at the bottom of the side slider (10). Limiting protrusions (12) are provided on the side walls of the middle slider (6) and the side sliders (10). A limiting groove (13) adapted to the limiting protrusions (12) is opened on the inner wall of the structural groove (5). The limiting protrusions (12) slide. A motor (14) is installed on the inner top wall of the structure groove (5) connected in the limiting slide groove (13). The output end of the motor (14) is fixed with a first gear (15). A second gear (16) is rotatably connected on both sides of the first gear (15) on the inner top wall of the structure groove (5). The second gear (16) meshes with the first gear (15). A first threaded rod (17) is fixed at the bottom end of the first gear (15). The first threaded rod (17) is threadedly connected to the middle slider (6). A second threaded rod (18) is fixed at the bottom end of the second gear (16). The second threaded rod (18) is threadedly connected to the side slider (10) on the same side. A control module (19) is provided on the moving device (3). Infrared ranging devices (20) are installed on the front and rear sides of the gantry frame (1) near the top. The infrared ranging devices (20), the moving device (3) and the motor (14) are all electrically connected to the control module (19) on the same side.

2. The anti-collision gantry crane according to claim 1, characterized in that: The top of the mobile device (3) is equipped with indicator lights (21) on both the front and rear sides, and the indicator lights (21) are electrically connected to the control module (19) on the same side.

3. A collision-resistant gantry crane according to claim 2, characterized in that: Reflective warning strips (22) are provided on the front and rear side walls of the gantry frame (1).

4. A collision-resistant gantry crane according to claim 3, characterized in that: The front and rear ends of the mobile device (3) are both fixed with anti-collision rubber pads (23).

5. A collision-resistant gantry crane according to claim 4, characterized in that: Both the gantry frame (1) and the moving device (3) have an anti-oxidation coating on their outer walls.