Automatic cross-line ladder for conveying line
By setting connected step pedals on both sides of the conveying line, and installing a motor flip mechanism and a reversible walking plate on one of the pedals, the safety risks of maintenance personnel when crossing the conveying line in the prior art are solved, and higher safety and convenient operation are achieved.
Patent Information
- Application Number
- CN202421934394.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-12
- Publication Date
- 2025-06-03
- Estimated Expiration
- 2034-08-12
AI Technical Summary
The existing conveyor line span ladders are only equipped with step pedals. Maintenance personnel have a safety risk of falling in the process of crossing, which is difficult to fully ensure the safety of workers and affect the normal operation of the conveyor line.
Design an automatic cross-line ladder of the conveyor line, which includes setting up step pedals on both sides of the conveyor line and connecting them into one through guardrails. A motor flip mechanism and a reversible walking plate are provided on a step pedal to ensure a safe and secure passage when crossing.
By providing a safe and secure access, the risk of dumping for maintenance personnel when crossing is reduced, operational safety is improved, and maintenance and overhaul processes are simplified.
Smart Images

Figure CN222936668U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of devices for crossing a conveyor line, in particular to an automatic cross-line ladder for a conveyor line. Background Technique
[0002] In the application scenarios of automated conveyor lines, since they are automated mechanical devices, regular manual maintenance is required. In application scenarios where conveyors are fixed to the ground and continuous, maintenance personnel generally need to cross the conveyor to reach the next location for maintenance operations; ensuring the safety of maintenance personnel is of utmost importance.
[0003] In the prior art, cross-line ladders for conveyor lines are mostly used to cross the conveyor line. However, currently, most of them are only equipped with stepped platforms. After maintenance personnel climb onto the stepped platform and reach the same height as the conveyor, they need to step on the chain / roller to cross to the stepped platform on the opposite side. During this process, there is a safety risk of the maintenance personnel tipping over; it is difficult to fully ensure the safety of workers, and it will also affect the normal operation of the conveyor line. Content of the Utility Model
[0004] The purpose of the utility model is to provide an automatic cross-line ladder for a conveyor line to solve the problem in the prior art that most cross-line ladders for conveyor lines are only equipped with stepped platforms. After maintenance personnel climb onto the stepped platform and reach the same height as the conveyor, they need to step on the chain / roller to cross to the stepped platform on the opposite side. During this process, there is a safety risk of the maintenance personnel tipping over; it is difficult to fully ensure the safety of workers, and it will also affect the normal operation of the conveyor line.
[0005] To achieve the above object, the present utility model provides the following technical solutions: An automatic cross-line ladder for a conveyor line, comprising a conveyor line body, and a stepped platform is respectively arranged on both sides thereof. The tops of the two stepped platforms are connected into one body by a guardrail. A motor flipping mechanism is arranged on one of the stepped platforms, and the motor flipping mechanism is connected with a flippable walking steel plate; The stepped platform includes a vertically arranged platform support, and at the four bottom feet of the platform support, it is fixed to the ground through a foundation bolt; On the platform support, a plurality of platform pedals that gradually rise are arranged from far away from the conveyor line body to gradually approaching, and platform guardrails that are vertically upward are arranged on both side edges of the platform pedals. At the highest points of the two platform guardrails above the conveyor line body, a guardrail that connects the platform guardrails facing each other on both sides into one body is arranged, and the guardrail is above the conveyor line body and does not affect the material conveyance thereof; And a motor flipping mechanism and a walking steel plate are arranged on one of the platform supports; The motor flipping mechanism includes a flipping motor arranged on the platform support below the platform pedal. The shaft of the flipping motor extends outside the platform support and is connected with a driving sprocket. On the platform guardrail, a rotating shaft rod is horizontally arranged through two bearing seats above the highest platform pedal. One end of the rotating shaft rod on the same side as the flipping motor is provided with a transmission sprocket outside the bearing seat. A driving chain is jointly arranged between the transmission sprocket and the driving sprocket; A walking steel plate is fixedly connected between the two bearing seats of the rotating shaft rod.
[0006] Preferably, the conveyor line body includes a conveyor line support, a conveyor line is arranged on the top of the conveyor line support, and a conveyor line motor is arranged on the conveyor line support below the conveyor line.
[0007] Preferably, steel plate support rods that are parallel to the rotating shaft rod and located in the same horizontal plane are arranged on the two side platform guardrails of the stepped platform without the motor flipping mechanism installed.
[0008] Preferably, a rotation limit frame is arranged on the side of the platform support opposite to the driving sprocket, and a circular rotation limit groove with the center of the rotating shaft rod as the center of the circle is arranged on the rotation limit frame; At the same time, a rotating support rod is fixedly connected to the end of the rotating shaft rod outside the bearing seat close to it, and the end of the rotating support rod is clamped in the rotation limit groove.
[0009] Preferably, a protective cover is jointly arranged outside the transmission sprocket, the driving sprocket and the driving chain.
[0010] Preferably, the flipping motor is interlocked with the conveyor line motor.
[0011] Preferably, the conveyor line body can be a roller conveyor line or a belt conveyor line or a chain conveyor line.
[0012] Preferably, the distance between the two step platforms is greater than the width of the conveyor line body, and the height is greater than the height of the conveyor line body.
[0013] Preferably, the upper surface of the walking steel plate is treated with anti-slip.
[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0015] 1. Safety improvement: By setting step platforms on both sides and connecting them into one body at the top with guardrails, a safe and stable passage is provided for operators or maintenance personnel to safely cross the conveyor line, preventing the risk of tipping / stepping into the void / side slipping when people cross the line body, and protecting the safety of personnel;
[0016] 2. Operation convenience: The design of the motor flipping mechanism and the flippable walking steel plate enables the position or state of the walking steel plate to be quickly changed when needed to adapt to different working requirements;
[0017] 3. The structure of the present utility model is simple and convenient for maintenance and overhaul;
[0018] 4. A protective cover is provided on the outside of the transmission sprocket, drive sprocket and drive chain, which can prevent components such as the chain from causing harm to operators and improve the safety of operation;
[0019] 5. The design of the rotation limit frame and rotation limit groove ensures the stability and safety of the flipping mechanism during operation;
[0020] 6. Make a safe interaction with the conveyor. During maintenance, the flipping cross-line ladder is placed flat on the line body and can be used as a secondary protection / anti-fooling measure;
[0021] 7. The present utility model can also be used for various conveyor lines, with a wide range of applications. Description of the Drawings
[0022] Figure 1 Isometric view of the present utility model;
[0023] Figure 2 Front view;
[0024] Figure 3 Is Figure 2 Cross-sectional view taken along A-A in
[0025] Figure 4 Bottom view;
[0026] Figure 5 Top view;
[0027] Figure 6 Right view;
[0028] Figure 7is the left view;
[0029] In the figure: conveyor line body - 1, conveyor line support - 11, conveyor line - 12, conveyor line motor - 13, stepped platform - 2, platform support - 21, anchor bolt - 22, platform pedal - 23, platform guardrail - 24, steel plate support rod - 25, rotary limit frame - 26, rotary limit groove - 27, guardrail - 3, motor flipping mechanism - 4, flipping motor - 41, driving sprocket - 42, rotating shaft rod - 43, transmission sprocket - 44, driving chain - 45, protective cover - 46, walking steel plate - 5. Detailed implementation mode
[0030] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings and specific embodiments.
[0031] Please refer to Figure 1-7 , Figure 1 is the axonometric view of the present invention; Figure 2 is the front view; Figure 3 is Figure 2 the sectional view taken along A - A in Figure 4 is the bottom view; Figure 5 is the top view; Figure 6 is the right view; Figure 7 is the left view.
[0032] The present invention provides an automatic cross - line ladder for a conveyor line, which is used for crossing the conveyor line; it includes a conveyor line body 1, and a stepped platform 2 is respectively arranged on both sides of the conveyor line body 1. The tops of the two stepped platforms 2 are connected into one body by a guardrail 3. A motor flipping mechanism 4 is arranged on one stepped platform 2, and the motor flipping mechanism 4 is connected with a flippable walking steel plate 5.
[0033] The conveyor line body 1 is a conveyor line body used in the prior art, which can be a roller conveyor line, a belt conveyor line, a chain conveyor line, etc.; it includes a conveyor line support 11, a conveyor line 12 for material conveying is arranged on the top of the conveyor line support 11, and a conveyor line motor 13 is arranged on the conveyor line support 11 below the conveyor line 12, which is used to drive the conveyor line 12 to perform material conveying operations.
[0034] The distance between the two stepped platforms 2 is greater than the width of the conveyor line body 1, and the height is greater than the height of the conveyor line body 1.
[0035] The stepped platform 2 includes a platform support 21 arranged vertically. At the four feet of the platform support 21, it is fixed to the ground through a foundation bolt 22. On the platform support 21, a plurality of platform pedals 23 that gradually rise in sequence are arranged from far away from the conveyor line body 1 to gradually approaching it. Vertical platform guards 24 are arranged on both side edges of the platform pedals 23. At the highest points of the two platform guards 24, a guardrail 3 that connects the two opposite platform guards 24 on both sides into one body is arranged above the conveyor line body 1. The guardrail 3 is above the conveyor line body 1 and does not affect the material conveyance thereof. And a motor flipping mechanism 4 and a walking steel plate 5 are arranged on one of the platform supports 21.
[0036] The motor flipping mechanism 4 includes a flipping motor 41 arranged on the platform support 21 below the platform pedal 23. The shaft of the flipping motor 41 extends outside the platform support 21 and is connected with a driving sprocket 42. On the platform guard 24, a rotating shaft rod 43 is horizontally arranged through two bearing seats above the highest platform pedal 23. At one end of the rotating shaft rod 42 on the same side as the flipping motor 41, a transmission sprocket 44 is arranged outside the bearing seat. A driving chain 45 is jointly arranged between the transmission sprocket 44 and the driving sprocket 42. At the same time, a protective cover 46 is jointly arranged outside the transmission sprocket 44, the driving sprocket 42 and the driving chain 45. A walking steel plate 5 is fixedly connected between the two bearing seats of the rotating shaft rod 43. At the same time, steel plate support rods 25 parallel to the rotating shaft rod 43 and located in the same horizontal plane are arranged on the two side platform guards 24 of the stepped platform 2 without installing the motor flipping mechanism 4 for supporting the walking steel plate 5.
[0037] On the side of the platform support 21 opposite to the driving sprocket 44, a rotation limit frame 26 is arranged, and a circular rotation limit groove 27 with the axis of the rotating shaft rod 43 as the center is arranged on the rotation limit frame 26. At the same time, at the end of the rotating shaft rod 43 close to it outside the bearing seat, a rotating support rod 47 is fixedly connected. The end of the rotating support rod 47 is clamped in the rotation limit groove 27, so that the swinging angle of the walking steel plate 5 can be limited by the rotation limit groove 27.
[0038] The flipping motor 41 is interlocked with the conveyor line motor 13. When it is necessary to cross the line body, an operator requests flipping through a button. After the conveyor line motor 13 stops, the flipping motor 41 starts to flip the walking steel plate 5 above the conveyor line body 1, and the worker can pass safely.
[0039] The upper surface of the walking steel plate 5 is anti-slip treated to ensure that during the walking process of the worker, no safety failure will occur due to slipping.
[0040] The utility model has a simple structure, which is convenient for maintenance and repair; by arranging stepped treads on both sides and connecting them into a whole through guardrails at the top, a safe and stable passage is provided for operators or maintenance personnel to safely cross the conveyor line, preventing the risks of tipping, stepping empty or side slipping when personnel cross the line body, and protecting the safety of personnel; the design of the motor flipping mechanism and the flippable walking steel plate enables the position or state of the walking steel plate to be quickly changed when needed to adapt to different working requirements; a protective cover is arranged outside the driving sprocket, the driven sprocket and the driving chain, which can prevent components such as the chain from causing harm to operators and improve the safety of operation; the design of the rotation limiting frame and the rotation limiting groove ensures the stability and safety of the flipping mechanism during operation; it makes a safe interaction with the conveyor. During maintenance, the flipping cross-line ladder is placed flat on the line body and can be used as a secondary protection / anti-fooling measure; the utility model can also be used for various conveyor lines and has a wide range of applications.
[0041] Although the embodiments of the present utility model have been shown and described, it is obvious that the described embodiments are only a part of the embodiments of the present utility model, rather than all of them. Based on the embodiments of the present utility model, for those of ordinary skill in the art, it can be understood that without departing from the principle and spirit of the present utility model and without making creative efforts, all other embodiments obtained by making various changes, modifications, substitutions and variations to these embodiments fall within the protection scope of the present utility model.
Claims
1. An automatic cross-line ladder for a conveyor line, characterized in that: The invention comprises a conveyor line body (1) and a staircase platform (2) is arranged on both sides thereof, the tops of the two staircase platforms (2) are connected into one body through a guardrail (3), a motor flipping mechanism (4) is arranged on one staircase platform (2), and the motor flipping mechanism (4) is connected to a flippable walking steel plate (5); the staircase platform (2) comprises a vertically arranged platform bracket (21), and the platform bracket (21) is fixed to the ground by a foundation bolt (22) at four bases; a plurality of platform pedals (23) are arranged on the platform bracket (21) from away from the conveyor line body (1) to gradually approach, and vertically upward platform guardrails (24) are arranged on both sides of the platform pedals (23); at the highest point of the two platform guardrails (24), a guardrail (3) is arranged above the conveyor line body (1) to connect the platform guardrails (24) on both sides thereof into one body, The guardrail (3) is above the conveyor line (1) and does not affect its material transportation; and a motor flipping mechanism (4) and a walking steel plate (5) are arranged on one of the platform brackets (21); the motor flipping mechanism (4) includes a flipping motor (41) arranged on the platform bracket (21) below the platform pedal (23), the shaft of the flipping motor (41) extends out of the outside of the platform bracket (21) and is connected to a driving sprocket (42), and a rotating shaft (43) is horizontally arranged on the platform guardrail (24) above the highest platform pedal (23) through two bearing seats, and a transmission sprocket (44) is arranged on the outside of the bearing seat at one end of the rotating shaft (43) on the same side as the flipping motor (41), and a driving chain (45) is commonly arranged between the transmission sprocket (44) and the driving sprocket (42); the rotating shaft (43) is fixedly connected to a walking steel plate (5) between the two bearing seats.
2. The automatic cross-line ladder for conveyor lines according to claim 1 is characterized in that: The conveyor line body (1) comprises a conveyor line support (11), a conveyor line (12) is arranged on the top of the conveyor line support (11), and a conveyor line motor (13) is arranged on the conveyor line support (11) below the conveyor line (12).
3. The automatic cross-line ladder for conveyor lines according to claim 2 is characterized in that: Steel plate support rods (25) parallel to the rotating shaft rod (43) and located in the same horizontal plane are arranged on the step guardrails (24) on both sides of the step platform (2) without the motor turning mechanism (4) installed.
4. The automatic cross-line ladder for conveyor lines according to claim 3 is characterized in that: The platform bracket (21) is provided with a rotation limit frame (26) on the side opposite to the movable sprocket (44), and a circular rotation limit groove (27) with the axis of the rotation shaft (43) as the center is provided on the rotation limit frame (26); at the same time, a rotation support rod (47) is fixedly connected to the end of the rotation shaft (43) on the outer side of the bearing seat close to the rotation shaft (43), and the end of the rotation support rod (47) is clamped in the rotation limit groove (27).
5. The automatic cross-line ladder for conveyor lines according to claim 4 is characterized in that: A protective cover (46) is provided on the outer sides of the transmission sprocket (44), the driving sprocket (42) and the driving chain (45).
6. The automatic cross-line ladder for conveyor lines according to claim 5 is characterized in that: The flip motor (41) is linked to the conveyor line motor (13).
7. The automatic cross-line ladder for conveyor lines according to any one of claims 1 to 6, characterized in that: The conveyor line body (1) may be a roller conveyor line, a belt conveyor line or a chain conveyor line.
8. The automatic cross-line ladder for conveyor lines according to claim 7 is characterized in that: The distance between the two step platforms (2) is greater than the width of the conveyor line body (1), and the height is greater than the height of the conveyor line body (1).
9. The automatic cross-line ladder for conveyor lines according to claim 8, characterized in that: The upper surface of the walking steel plate (5) is subjected to anti-slip treatment.