Trolley anti-falling device of track conveying equipment
By designing a sliding base and limit bracket anti-fall device on the track conveying equipment, the problem of trolley falling due to track tilting was solved, achieving safe and reliable track lifting and reducing maintenance costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU LEXUAN INTELLIGENT EQUIPMENT CO LTD
- Filing Date
- 2025-04-23
- Publication Date
- 2026-04-17
AI Technical Summary
During the lifting process, the existing rail conveying equipment has a safety hazard, which may cause the trolley to slip and fall due to the tilting of the rails. This could result in economic losses and personal injury.
A fall prevention device is designed, comprising a sliding base, a locking component, a limiting bracket, a driving unit, and a limiting structure. The sliding base slides along the track, and the driving unit drives the limiting bracket to limit the track, preventing the trolley from falling.
It effectively prevents the trolley from falling during the track lifting process, improving safety. Its compact structure does not take up too much space, making it easy to install and maintain, and reducing maintenance costs.
Smart Images

Figure CN224132028U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of track conveying equipment technology, and specifically to a trolley anti-fall device for track conveying equipment. Background Technology
[0002] A rail conveying device includes a rail and a trolley that moves along the rail. The rail can be lifted by a hoist (e.g., an electric hoist) to adjust the height of the rail and the trolley. However, during the rail lifting process, it is impossible to guarantee that the rail is straight. If the rail tilts, the trolley will slide towards the lower end of the rail, and if it falls, it will cause economic losses and personal injury.
[0003] Therefore, we propose a trolley anti-fall device for rail conveying equipment. Utility Model Content
[0004] (a) Technical problems to be solved
[0005] To address the shortcomings of existing technologies, this utility model provides a trolley anti-fall device for track conveying equipment, which overcomes the deficiencies of existing technologies, is reasonably designed, safe and reliable, and solves the technical problem of trolley falling safety hazards during track lifting.
[0006] (II) Technical Solution
[0007] To achieve the above objectives, this utility model provides the following technical solution:
[0008] A trolley anti-fall device for a rail conveying equipment, characterized in that it includes a sliding base, a locking component, a limiting bracket, a driving unit, and a limiting structure;
[0009] The sliding base is mounted on the track and can slide along the track's extension direction;
[0010] The locking element is used to fix the sliding base to the track;
[0011] The limiting bracket includes a main body and a limiting part connected to the lower part of the main body;
[0012] The drive unit is connected to the sliding base through a support component. The output end of the drive unit is connected to the main body of the limiting bracket. The drive unit is used to drive the limiting bracket to move and position its limiting part on the track to limit the sliding part on the track.
[0013] The limiting structure is set on the sliding base and is used to restrict the movement of the main body of the limiting bracket along the extension direction of the track.
[0014] Furthermore, the device is provided with a pair located on the front and rear sides of the trolley along the direction of movement of the track.
[0015] Furthermore, the sliding base is fitted onto the track, and an opening is formed at the bottom of the sliding base that communicates directly with the track groove of the track. The two side walls of the sliding base are respectively fixedly connected to the track by locking members.
[0016] Furthermore, the locking component is a bolt, and the two side walls of the sliding base are respectively provided with through holes and nuts are welded and fixed at the openings of the through holes. The bolt and the nut are threadedly connected and pass through the through holes to abut against the track.
[0017] Furthermore, the driving unit is a cylinder, and the support assembly includes a support rod, an angle plate, and a first rotating support. The support rod is fixedly connected to the sliding base. The tail end of the cylinder body is rotatably supported on the angle plate via a pin and the first rotating support. The angle plate is fixedly connected to the support rod. The end of the piston rod of the cylinder is rotatably supported on the main body of the limiting bracket via a pin and a rotary joint.
[0018] Furthermore, a second rotating support is installed at the upper end of the sliding base. The second rotating support has an inverted U-shaped structure. The main body of the limiting bracket has a side-mounted U-shaped structure. An adapter sleeve is fixed to the upper side wall of the main body, and a limiting part is fixed to its lower side wall. The adapter sleeve of the main body is located between the two side walls of the second rotating support and is rotatably supported by the second rotating support through a pin.
[0019] Furthermore, the limiting structure includes a pair of locking members. When the driving unit drives the limiting bracket to move until its limiting part is on the track, the main body is limited on both sides of the track extension direction by the pair of locking members.
[0020] (III) Beneficial Effects
[0021] This utility model provides a trolley anti-fall device for a rail conveying equipment, which has the following beneficial effects:
[0022] (1) High safety: The trolley can be limited during the track lifting process to prevent it from falling from a height, thus avoiding personnel injury and equipment damage.
[0023] (2) Compact structure: The design is relatively ingenious, occupies little space, and will not have a significant impact on the original structure and operation of the conveyor trolley, making it easy to install and maintain.
[0024] (3) Low maintenance cost: The limit bracket is limited by the limit structure on the sliding base. When the limit part of the limit bracket is subjected to the action of the trolley, it is jointly borne by the limit bracket and the sliding base, avoiding direct force or even deformation at the connection between the limit bracket and the drive unit. The structure is stable and reliable, and the daily maintenance workload is small. Only periodic inspection and maintenance and replacement of vulnerable parts are required, which reduces the cost of use. Attached Figure Description
[0025] Figure 1 This is a schematic diagram of the main structure of this utility model;
[0026] Figure 2 This is a top view of the structure of this utility model;
[0027] Figure 3 This is a side view of the structure of this utility model;
[0028] Figure 4 for Figure 1 A magnified structural diagram of point A in the middle;
[0029] Figure 5 for Figure 3 A magnified structural diagram of section B in the middle;
[0030] Figure 6 This is a schematic diagram of the front view of the limiting bracket in this utility model;
[0031] Figure 7 This is a top view of the limiting bracket in this utility model;
[0032] Figure 8 This is a side view of the limiting bracket in this utility model.
[0033] In the diagram: 1. Gantry frame; 2. Track; 3. Device; 31. Support rod; 32. Locking element; 33. First rotating support; 34. Cylinder; 35. Rotary joint; 36. Limiting bracket; 361. Adapter sleeve; 362. Main body; 363. Limiting part; 37. Second rotating support; 38. Pin; 39. Sliding base. Detailed Implementation
[0034] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0035] See attached document Figure 1-8 A trolley anti-fall device for a track conveying equipment, the device 3 having a pair located on the front and rear sides of the trolley along the moving direction of the track 2, the device 3 including a sliding base 39, a locking member 32, a limiting bracket 36, a driving unit and a limiting structure;
[0036] The sliding base 39 is installed on the track 2 and can slide along the extension direction of the track 2. Specifically, the two ends of the track 2 of the track conveying equipment are hoisted to the bottom of the gantry frame 1 by electric hoists or other lifting devices. The track groove opening of the track 2 is set downward. A pair of sliding parts are slidably connected in the track groove. The two ends of the trolley are connected to the pair of sliding parts by a pair of hooks and are located below the track 2. The sliding base 39 is sleeved on the track 2. The bottom of the sliding base 39 has an opening that is directly connected to the track groove of the track 2 to avoid interference with the trolley (connected sliding parts) during normal operation. The two side walls of the sliding base 39 are fixedly connected to the track 2 by locking parts 32 respectively.
[0037] The locking member 32 is used to fix the sliding base 39 to the track 2. Specifically, the locking member 32 is a bolt. The two side walls of the sliding base 39 are respectively provided with through holes and nuts are welded and fixed at the opening of the through holes. The bolt and the nut are threadedly connected and pass through the through holes to abut against the track 2.
[0038] The limiting bracket 36 includes a main body 362 and a limiting part 363 connected to the lower part of the main body 362. Specifically, the main body 362 of the limiting bracket 36 has a side-mounted U-shaped structure. The upper side wall of the main body 362 is fixed with a connecting sleeve 361, and the lower side wall extends outward to form a limiting part 363. The upper end of the sliding base 39 is equipped with a second rotating support 37. The second rotating support 37 has an inverted U-shaped structure. The connecting sleeve 361 of the main body 362 is disposed between the two side walls of the second rotating support 37 and is rotatably supported by the second rotating support 37 through a pin 38.
[0039] The drive unit is connected to the sliding base 39 via a support assembly. The output end of the drive unit is connected to the main body 362 of the limiting bracket 36. The drive unit is used to drive the limiting bracket 36 to move and position its limiting part 363 on the track 2 to limit the sliding parts on the track 2. Specifically, the drive unit is a cylinder 34. The support assembly includes a support rod 31, an angle plate, and a first rotating support 33. The support rod 31 is perpendicular to and fixedly connected to the side wall of the sliding base 39. The tail end of the cylinder body of the cylinder 34 is rotatably supported on the first rotating support 33 via a pin. The first rotating support 33 is fixedly connected to the angle plate. The angle plate is fixedly connected to the support rod 31. The piston rod end of the cylinder 34 is connected to a rotary joint 35. The rotary joint 35 is rotatably connected to a third rotating support via a pin. The third rotating support is fixedly connected to the main body 362 (vertical bottom wall) of the limiting bracket 36.
[0040] The limiting structure is disposed on the sliding base 39 and is used to restrict the movement of the main body 362 of the limiting bracket 36 along the extension direction of the track 2. Specifically, the limiting structure adopts the above-mentioned locking member. The locking member is provided in a pair. When the driving unit drives the limiting bracket 36 to move to the point where its limiting part 363 is located on the track 2, the main body 362 is limited on both sides of the extension direction of the track 2 by the pair of locking members.
[0041] Before the hoist lifts track 2, refer to the attached... Figure 3 , 5 The cylinder 34 of the device 3 drives the limiting bracket 36 to rotate clockwise downwards, causing the vertical bottom wall of the main body 362 of the limiting bracket 36 to fit against the side wall of the sliding base 39 and fall between a pair of locking parts. At the same time, its limiting part 363 is located directly below the opening of the track groove of the track 2. At this time, the device 3 is in a "closed" state, which can restrict the trolley from sliding freely on the track 2 and prevent it from falling and causing economic losses and personal injuries. When the track 2 is returned to its position and is in a straight state, the cylinder 34 of the device 3 drives the limiting bracket 36 to rotate counterclockwise upwards, causing the limiting part 363 of the limiting bracket 36 to leave the vertical area of the track groove opening and release the restriction on the trolley (connected sliding parts). At this time, the device 3 is in an "open" state, and the trolley can slide on the track 2 and pass over the device 3.
[0042] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0043] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.
Claims
1. A trolley anti-falling device of a rail transportation equipment, characterized in that: Includes a sliding base, locking components, limit brackets, drive unit, and limit structure; The sliding base is mounted on the track and can slide along the track's extension direction; The locking element is used to fix the sliding base to the track; The limiting bracket includes a main body and a limiting part connected to the lower part of the main body; The drive unit is connected to the sliding base through a support component. The output end of the drive unit is connected to the main body of the limiting bracket. The drive unit is used to drive the limiting bracket to move and position its limiting part on the track to limit the sliding part on the track. The limiting structure is set on the sliding base and is used to restrict the movement of the main body of the limiting bracket along the extension direction of the track.
2. The trolley anti-falling device of a rail transportation equipment according to claim 1, characterized in that: The device has a pair located on the front and rear sides of the trolley along the direction of movement of the track.
3. The car arresting device of a rail transport system according to claim 2, characterized in that: The sliding base is fitted onto the track, and an opening is formed at the bottom of the sliding base that communicates directly with the track groove of the track. The two side walls of the sliding base are respectively fixedly connected to the track by locking members.
4. The car arresting device of a rail transport system according to claim 3, characterized in that: The locking component is a bolt. The two side walls of the sliding base are respectively provided with through holes and nuts are welded and fixed at the openings of the through holes. The bolt and the nut are threadedly connected and pass through the through holes to abut against the track.
5. A trolley anti-falling device of a rail transport equipment according to claim 4, characterized in that: The driving unit is a cylinder, and the support assembly includes a support rod, an angle plate, and a first rotating support. The support rod is fixedly connected to the sliding base. The tail end of the cylinder body is rotatably supported on the angle plate via a pin and the first rotating support. The angle plate is fixedly connected to the support rod. The end of the piston rod of the cylinder is rotatably supported on the main body of the limiting bracket via a pin and a rotary joint.
6. A trolley anti-falling device of a rail transport apparatus according to claim 5, characterized in that: The upper end of the sliding base is equipped with a second rotating support, which has an inverted U-shaped structure. The main body of the limiting bracket has a side-mounted U-shaped structure. The upper side wall of the main body is fixed with a connecting sleeve, and the lower side wall is fixed with a limiting part. The connecting sleeve of the main body is located between the two side walls of the second rotating support and is rotatably supported by the second rotating support through a pin.
7. A trolley anti-falling device of a rail transport equipment according to claim 6, characterized in that: The limiting structure includes a pair of locking members. When the driving unit drives the limiting bracket to move until its limiting part is on the track, the main body is limited on both sides of the track extension direction by the pair of locking members.