Double-limiting structure of cart traveling mechanism

By using a double-limiting structure in the trolley traveling mechanism and employing the design of a collision plate and damping rod, the problems of high noise, poor buffering effect, and derailment in existing limit structures have been solved, achieving effective collision force absorption and improved safety.

CN223779815UActive Publication Date: 2026-01-09JIANGSU DAOCHI PORT MACHINERY CO LTD
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Patent Information

Application Number
CN202520311796.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-26
Publication Date
2026-01-09
Estimated Expiration
2035-02-26

AI Technical Summary

Technical Problem

The existing large vehicle travel limit structure is noisy and has poor buffering effect during collisions. The buffer column has a small contact area, is easily damaged, and poses a risk of derailment.

Method used

The system employs a dual limiting structure, which, through the design of collision plate one and collision plate two, combined with the squeezing action of damping rods and springs, increases the contact area and buffers the collision force to prevent the moving seat from derailing.

Benefits of technology

It effectively absorbs impact force, reduces noise, prevents the moving seat from rebounding repeatedly, improves safety, and avoids damage to the buffer column and derailment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a double-limiting structure of a cart walking mechanism, and relates to the technical field of cart walking limiting. The device comprises a walking steel rail, the top of the walking steel rail is slidably connected with a moving seat through a pulley, the top of the moving seat is fixedly connected with a moving cross beam, and limiting assemblies are arranged at the two ends of the walking steel rail. By arranging the limiting assembly, specifically, when collision limiting occurs, the second collision plate can make contact with and collide with the first collision plate, the first damping rod and the first spring are both extruded, the second damping rod and the second spring are both extruded, the good buffering effect can be achieved, and the limiting effect is achieved; and the contact area of the first collision plate and the second collision plate is larger, the effect of more effectively absorbing collision force can be achieved, the second damping rod can drive the second collision plate to reset slowly after limiting, the first damping rod drives the first collision plate to reset slowly, and therefore repeated springback of the movable base is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the walking position limiting technical field of big car especially relates to a big car walking mechanism double limiting structure. BACKGROUND

[0002] The big car walking mechanism limiting structure is a safety protection device for large vehicles or equipment, which limits and protects the driving position, stroke or action range of the big car.

[0003] The existing big car walking limiting structure usually installs a buffer column at both ends of the track to buffer the collision, but only the buffer column will produce a large noise during the collision, and the contact area of the buffer column is small, and the collision force absorption is poor, when a more serious collision occurs, the deformation or deviation may occur, which may cause the buffer column to be damaged, thereby causing the risk of derailment, therefore, the utility model provides a big car walking mechanism double limiting structure. CONTENT OF THE UTILITY MODEL

[0004] The utility model discloses a big car walking mechanism double limiting structure, which is provided with a limiting assembly, and when a collision occurs, the second collision plate contacts and collides with the first collision plate, the first damping rod and the first spring are extruded, and the second damping rod and the second spring are extruded, which can effectively buffer the collision force, and the first collision plate and the second collision plate have a larger contact area, which can effectively absorb the collision force, and the second damping rod can drive the second collision plate to slowly reset after limiting, and the first damping rod can drive the first collision plate to slowly reset, thereby avoiding the multiple rebound of the moving seat, and solving the problems of the existing big car walking limiting structure, such as the large noise during the collision, the small contact area of the buffer column, the poor collision force absorption, the easy damage of the buffer column and the derailment.

[0005] To solve the above technical problems, the utility model is realized by the following technical schemes:

[0006] The utility model discloses a kind of double limiting structures of cart walking mechanism, including walking steel rail, the walking steel rail top is slidably connected with moving seat by pulley, the moving seat top is fixedly connected with moving crossbeam, walking steel rail both ends are provided with limiting assembly, the limiting assembly includes the limiting seat fixedly connected in the walking steel rail top by bolt, the side of limiting seat close to moving seat is provided with baffle plate one, the side of baffle plate one away from moving seat is fixedly connected with two damping rods one, the outside of two damping rods one is all equipped with spring one, the side of damping rod one away from baffle plate one is fixedly connected with limiting seat surface, the left side and right side of moving seat are provided with baffle plate two, the side of baffle plate two close to moving seat is fixedly connected with two damping rods two, the outside of two damping rods two is all equipped with spring two, the side of damping rod two away from baffle plate two is fixedly connected with moving seat surface, the rear of moving seat is provided with anti-derailing assembly, the anti-derailing assembly includes the fixed plate fixedly connected in the walking steel rail top;The setting of baffle plate one and baffle plate two can increase contact area, to improve the dispersion effect of force, and the setting of spring one, damping rod one, damping rod two and spring two can greatly reduce noise when colliding.

[0007] Further, two square grooves are formed in the limiting seat, and a square rod one is slidably connected in each square groove.

[0008] Further, square grooves are formed in the left and right sides of the moving seat, and a top rail is fixedly connected to the top of the moving seat.

[0009] Further, a limiting rail is inserted into the outside of the top rail, and a plurality of connecting shafts are fixedly connected to the back of the limiting rail.

[0010] Further, the fixed plate is internally provided with a plurality of limiting grooves, square sliding blocks are slidingly and limitingly connected in the limiting grooves, the front surface of the square sliding block is fixedly connected with the back surface of the connecting plate, the back surface of the square sliding block is fixedly connected with a threaded shaft, the threaded nut is threadedly connected with the outer surface of the threaded shaft, the inner side of the bottom of the limiting rail is slidingly connected with the outer side of the top rail, and the back surface of the connecting plate is in contact with the front surface of the fixed plate.

[0011] The utility model has the following beneficial effects:

[0012] 1. The utility model discloses a limiting assembly, which is specifically used for buffering the impact of the collision plate two on the collision plate one when the collision limiting occurs, and the damping rod one and the spring one are pressed, and the damping rod two and the spring two are pressed, so that the buffering effect is achieved, the limiting effect is achieved, the contact area of the collision plate one and the collision plate two is larger, the collision force can be more effectively absorbed, and the damping rod two drives the collision plate two to slowly reset after the limiting, and the damping rod one drives the collision plate one to slowly reset, so that the multiple rebounds of the moving seat are avoided.

[0013] 2. The utility model discloses an anti-derailing assembly, which is specifically used for pushing the limiting rail downward, inserting the slot at the bottom of the limiting rail into the top of the top rail, and then rotating the locking nut on the threaded shaft clockwise to fix the limiting rail, so that the top rail slides in the limiting rail during the movement of the moving seat, and the moving seat can avoid the derailing when the collision occurs, and the safety is improved.

[0014] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages mentioned above. DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0016] Figure 1 It is a partial structure schematic view of the cart walking structure of the utility model;

[0017] Figure 2 It is a whole structure schematic view of the limiting seat of the utility model;

[0018] Figure 3 It is a right view sectional structure schematic view of the limiting rail of the utility model;

[0019] Figure 4 is a whole structure schematic view of the connecting plate of the utility model;

[0020] Figure 5 is a whole structure schematic view of the moving seat of the utility model.

[0021] In the drawings, the component list represented by each reference sign is as follows:

[0022] 1, walking steel rail; 11, moving seat; 111, moving cross beam; 112, square chute one; 113, top rail; 12, limiting assembly; 121, limiting seat; 122, collision plate one; 123, square chute two; 124, telescopic rod; 125, damping rod one; 126, spring one; 127, square rod one; 13, derailment prevention assembly; 131, fixed plate; 132, limiting rail; 133, connecting shaft; 134, connecting plate; 341, square slide block; 342, threaded shaft; 135, limiting groove; 14, collision plate two; 141, square rod two; 142, damping rod two; 143, spring two. DETAILED DESCRIPTION

[0023] 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, rather than 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.

[0024] Please refer to Figures 1-5As shown, the utility model is a kind of cart walking mechanism double limiting structure, including walking steel rail 1, walking steel rail 1 top is slidably connected with moving seat 11 by pulley, moving seat 11 top is fixedly connected with moving crossbeam 111, walking steel rail 1 both ends are provided with limiting assembly 12, limiting assembly 12 includes the limiting seat 121 of bolt fixed connection in walking steel rail 1 top, the side of limiting seat 121 close to moving seat 11 is provided with baffle one 122, baffle one 122 is fixedly connected with two damping rods one 125 on the side away from moving seat 11, two damping rods one 125 outside are all equipped with spring one 126, the side of damping rod one 125 away from baffle one 122 is fixedly connected with the surface of limiting seat 121, moving seat 11 left side and right side are provided with baffle two 14, baffle two 14 is fixedly connected with two damping rods two 142 on the side close to moving seat 11, two damping rods two 142 outside are all equipped with spring two 143, the side of damping rod two 142 away from baffle two 14 is fixedly connected with the surface of moving seat 11, moving seat 11 rear is provided with anti-derailing assembly 13, and anti-derailing assembly 13 includes fixed plate 131 fixedly connected in walking steel rail 1 top;Baffle one 122 and baffle two 14 are all provided with high-strength steel, and rubber buffer layer is provided on the surface corresponding to baffle one 122 and baffle two 14, when collision limiting occurs, baffle two 14 will contact and collide with baffle one 122, then damping rod one 125 and spring one 126 are all extruded, and damping rod two 142 and spring two 143 are all extruded, can play the role of buffering well, reach the effect of limiting, and the contact area of baffle one 122 and baffle two 14 is larger, can play the role of more effective absorption of collision force, after limiting, damping rod two 142 will drive baffle two 14 to reset slowly, and damping rod one 125 drives baffle one 122 to reset slowly, to avoid that moving seat 11 appears multiple rebound;Two square grooves two 123 are set in the inside of limiting seat 121, square rod one 127 is slidably connected in the inside of two square grooves two 123, the side of square rod one 127 close to baffle one 122 is fixedly connected with the surface of baffle one 122, telescopic rod 124 is arranged between two damping rods one 125, and the end of telescopic rod 124 close to limiting seat 121 is fixedly connected with the surface of limiting seat 121;Telescopic rod 124 and square rod one 127 can improve the stability of baffle one 122, not only improve the support of baffle one 122, but also reduce the deformation condition.The left side and the right side of the moving seat 11 are both provided with a square sliding groove one 112, the top of the moving seat 11 is fixedly connected with a top rail 113, the side close to the moving seat 11 of the collision plate two 14 is fixedly connected with a square rod two 141 in the center, the square rod two 141 is in sliding limiting fit with the square sliding groove one 112; the square rod two 141 can support the collision plate two 14 and improve the stability, and reduce the deformation of the collision plate two 14; the outside of the top rail 113 is inserted with a limiting rail 132, the back of the limiting rail 132 is fixedly connected with a plurality of connecting shafts 133, the back of the plurality of connecting shafts 133 is fixedly connected with a connecting plate 134, in the moving process of the moving seat 11, the top rail 113 will slide in the limiting rail 132, and when a collision occurs, the moving seat 11 can avoid the derailment under the limiting effect of the limiting rail 132, and the safety is improved; a plurality of limiting grooves 135 are arranged in the fixed plate 131, a square sliding block 341 is in sliding limiting fit in the limiting groove 135, the front of the square sliding block 341 is fixedly connected with the back of the connecting plate 134, the back of the square sliding block 341 is fixedly connected with a threaded shaft 342, the outer surface of the threaded shaft 342 is threadedly connected with a locking nut, the bottom inside of the limiting rail 132 is in sliding connection with the outside of the top rail 113, the back of the connecting plate 134 is in contact with the front of the fixed plate 131, the limiting rail 132 is pushed down, the limiting rail 132 is inserted with the top rail 113, then the locking nut on the threaded shaft 342 is rotated clockwise, the fixing of the limiting rail 132 is completed, and the moving seat 11 is limited.

[0025] One specific application of the embodiment is:

[0026] When the moving seat 11 drives the moving cross beam 111 to move to the end of the walking steel rail 1, the limiting assembly 12 plays a limiting role and will collide with the limiting assembly 12, at this time, the collision plate two 14 will contact and collide with the collision plate one 122, the device uses the collision plate one 122 and the collision plate two 14 to replace the traditional buffer column, and after the two contact and collide, the telescopic rod 124 is retracted, and the damping rod one 125 and the spring one 126 are both extruded, the square rod one 127 slides in the square sliding groove two 123, the collision plate two 14 drives the square rod two 141 to slide in the moving seat 11, and the damping rod two 142 and the spring two 143 are both extruded, this mode can well play a buffering role, achieve the limiting effect, the contact area of the collision plate one 122 and the collision plate two 14 is larger, can play a more effective role in absorbing the impact force, and the moving seat 11 and the limiting seat 121 are both extruded, can greatly reduce the noise generated by the collision, when the collision is limited, the damping rod two 142 drives the collision plate two 14 to slowly reset, the damping rod one 125 drives the collision plate one 122 to slowly reset, so as to avoid the multiple rebound of the moving seat 11;

[0027] The limiting rail 132 is pushed downward, the limiting rail 132 is inserted with the top rail 113, and the limiting rail 132 drives the connecting plate 134 to move downward through the connecting shaft 133, the square slide block 341 slides in the limiting groove 135 on the fixed plate 131, when the limiting rail 132 is inserted with the top rail 113, the locking nut on the threaded shaft 342 is turned clockwise, the locking nut contacts with the fixed plate 131, the locking nut and the connecting plate 134 are fixed, at this time, the connecting plate 134 is fixed, the limiting rail 132 is fixed at the same time, the moving seat 11 drives the top rail 113 to slide in the limiting rail 132 during the moving process, when the collision occurs, the moving seat 11 can avoid the derailment condition under the limiting action of the limiting rail 132, the safety is improved.

[0028] In the description of the present specification, the description referring to the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0029] The preferred embodiments of the above disclosed application are only used to help explain the application. The preferred embodiments do not describe all the details, nor limit the application to the specific embodiments described. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the application, so that the skilled in the art can well understand and utilize the application. The application is limited by the claims and their entire scope and equivalents.

Claims

1. A double-limiting structure for a large vehicle traveling mechanism, characterized in that: The utility model provides walking rail (1), walking rail (1) top is connected with mobile seat (11) through the pulley sliding, mobile seat (11) top fixedly connected with mobile crossbeam (111), walking rail (1) both ends are provided with limiting assembly (12), limiting assembly (12) includes the limiting seat (121) of fixed connection in walking rail (1) top, the side of limiting seat (121) close to mobile seat (11) is provided with crash board one (122), crash board one (122) one side away from mobile seat (11) is fixedly connected with two damping rod one (125), two damping rod one (125) outside are all set up spring one (126), the side of damping rod one (125) away from crash board one (122) is fixedly connected with limiting seat (121) surface, mobile seat (11) left side and right side are provided with crash board two (14), the side of crash board two (14) close to mobile seat (11) is fixedly connected with two damping rod two (142), two damping rod two (142) outside are all set up spring two (143), the side of damping rod two (142) away from crash board two (14) is fixedly connected with mobile seat (11) surface, mobile seat (11) rear is provided with anti derailment assembly (13), anti derailment assembly (13) includes the fixed plate (131) of fixed connection in walking rail (1) top.

2. The double limiting structure of a travelling mechanism of a gantry according to claim 1, wherein, The inside of limiting seat (121) is provided with two square grooves (123), two square grooves (123) are slidably connected with square rod one (127), square rod one (127) is fixedly connected with the surface of crash board one (122) on the side close to crash board one (122), and the telescopic rod (124) is arranged between the two damping rod one (125).

3. The double limiting structure of a cart traveling mechanism according to claim 2, characterized in that, The one end of telescopic rod (124) close to limiting seat (121) is fixedly connected with the surface of limiting seat (121), the side of telescopic rod (124) away from limiting seat (121) is fixedly connected with the surface of crash board one (122), the side of spring one (126) close to limiting seat (121) is fixedly connected with the surface of limiting seat (121), and the side of spring one (126) away from limiting seat (121) is fixedly connected with the surface of crash board one (122).

4. The dual limit structure of the travelling mechanism of the gantry according to claim 3, wherein, The left side and the right side of mobile seat (11) are provided with square grooves (112), the top of mobile seat (11) is fixedly connected with top rail (113), the side of crash board two (14) close to mobile seat (11) is fixedly connected with square rod two (141) in the center, and square rod two (141) is slidably limited with square grooves (112).

5. The dual limit structure of a travelling mechanism of a gantry according to claim 4, wherein, The outside of top rail (113) is inserted with limiting rail (132), the back of limiting rail (132) is fixedly connected with a plurality of connecting shafts (133), and the back of a plurality of connecting shafts (133) is fixedly connected with connecting plate (134).

6. The dual limit structure of a travelling mechanism of a gantry according to claim 5, wherein, The fixed plate (131) is internally provided with a plurality of limiting grooves (135), the square sliding block (341) is in sliding limiting fit in the limiting groove (135), the square sliding block (341) front surface is fixedly connected with the connecting plate (134) back surface, the square sliding block (341) back surface is fixedly connected with the threaded shaft (342), and the threaded shaft (342) outer surface is threadedly connected with the locking nut.

7. The dual limit structure of a travelling mechanism of a gantry according to claim 5, wherein, The limiting rail (132) bottom inner side is in sliding connection with the top rail (113) outer side, and the connecting plate (134) back surface is in contact with the fixed plate (131) front surface.