CN215438606U

CN215438606U - Safety gear device and tray roller conveyor

Info

Publication number: CN215438606U
Application number: CN202121248356.9U
Authority: CN
Inventors: 王显旺
Original assignee: Beijing Jingbangda Trade Co Ltd; Beijing Jingdong Qianshi Technology Co Ltd
Current assignee: Beijing Jingbangda Trade Co Ltd; Beijing Jingdong Qianshi Technology Co Ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2022-01-07
Anticipated expiration: 2031-06-04

Abstract

The utility model discloses a safety gear device and a tray roller conveyor, and relates to the technical field of machinery. One embodiment of the safety gear device comprises: the driving end support is fixed at one end of the target to be protected; the driven end support is fixed at the other end of the target to be protected; the power unit is provided with a fixed end and an actuating end, and the fixed end is connected with one end of the active end support; one end of the driving swing rod is hinged with the actuating end of the power unit, and the middle part of the driving swing rod is hinged with the other end of the driving end support; one end of the driven oscillating bar is hinged with the driven end support; one end of the blocking rod is hinged with the other end of the driving swing rod, and the other end of the blocking rod is hinged with the other end of the driven swing rod; the driving swing rod can rotate around the hinged position of the driving swing rod and the driving end support under the driving of the power unit so as to drive the blocking rod to rise or fall. This embodiment enables the blocking of an article by raising the stopper bar and the passage of the article by lowering the stopper bar under the control of the controller.

Description

Safety gear device and tray roller conveyor

Technical Field

The utility model relates to the technical field of machinery, in particular to a safety gear device and a tray roller conveyor.

Background

The tray roller conveyor is a kind of transportation equipment in the automatic stereoscopic warehouse, which is used to convey the tray by the roller conveyor line to transport the goods. In practical applications, the tray and the articles on the tray are often deviated in posture during the conveying process, which causes position conflict between the articles, and in some cases, the articles are even squeezed down from the conveying line, so that it is necessary to perform posture adjustment on the tray and the articles on the roller conveying line.

SUMMERY OF THE UTILITY MODEL

In view of the above, embodiments of the present invention provide a safety guard and a pallet roller conveyor, which can raise a guard bar to block an article and lower the guard bar to allow the article to pass through under the control of a controller.

To achieve the above object, according to one aspect of the present invention, a safety gear device is provided.

The safety gear device of the embodiment of the utility model comprises: the driving end support is fixed at one end of the target to be protected; the driven end support is fixed at the other end of the target to be protected; the power unit is provided with a fixed end and an actuating end, and the fixed end is connected with one end of the active end support; one end of the driving swing rod is hinged with the actuating end of the power unit, and the middle part of the driving swing rod is hinged with the other end of the driving end support; one end of the driven swing rod is hinged with the driven end support; one end of the blocking rod is hinged with the other end of the driving swing rod, and the other end of the blocking rod is hinged with the other end of the driven swing rod; the driving swing rod can rotate around the hinged position of the driving swing rod and the driving end support under the driving of the power unit so as to drive the blocking rod to rise or fall.

Alternatively, the actuation end of the power unit may be linearly movable.

Optionally, the driving end support, the driven end support, the power unit, the driving swing link, the driven swing link, and the stop lever form a planar mechanism.

Optionally, the actuating end of the power unit may extend under the control of an external controller to drive the driving swing rod to rotate around the hinged position of the driving swing rod and the driving end support along a first direction, so as to drive the blocking rod to fall down to form a channel.

Optionally, the actuating end of the power unit may be shortened under the control of an external controller, so as to drive the driving swing rod to rotate around the hinge position of the driving swing rod and the driving end support in the opposite direction of the first direction, and further drive the blocking rod to rise to form a block.

Optionally, the power unit comprises: air cylinder, electric push rod or linear motor.

To achieve the above object, according to another aspect of the present invention, there is provided a pallet roller conveyor.

The pallet roller conveyor of the embodiment of the utility model is used for transporting pallets, and comprises: the pallet is positioned on the roller conveying line; the pallet roller conveyor further comprises the safety stop device, which is installed between the two fixed beams.

Optionally, when the posture of the tray and/or the articles on the tray needs to be adjusted, a stop lever in the safety stop device is lifted to be higher than the upper surface of the roller conveying line under the control of an external controller, and a block is formed on the tray and/or the articles on the tray; when the adjustment is completed, the stop lever in the safety stop device falls below the upper surface of the roller conveying line under the control of an external controller, so that the tray and/or the articles on the tray pass through.

According to the technical scheme of the utility model, one embodiment of the utility model has the following advantages or beneficial effects:

the design comprises a driving end support, a driven end support, a power unit, a driving swing rod, a driven swing rod and a safety gear device of a gear rod, wherein the driving end support and the driven end support are fixed at two ends of a target to be protected (such as a roller conveying line), the fixed end of the power unit is connected with the driving end support, the actuating end of the power unit is hinged with one end of the driving swing rod, the middle part of the driving swing rod is hinged with the driving end support, one end of the driven swing rod is hinged with the driven end support, two ends of the stop lever are respectively hinged with the other end of the driving swing rod and the other end of the driven swing rod, thus, when the actuating end of the power unit is extended or shortened under the control of an external controller, the driving swing rod can be driven to rotate, and then the blocking rod is driven to rise or fall, so that the formation protection or the cancellation protection function similar to a switch is realized, and the safety of article transmission is improved on the premise of not influencing the passing of articles. The components of the above safety barrier device form a planar mechanism of compact size, the installation of which does not affect the function and relative fitting dimensions of the existing structures. After the safety gear device is arranged on the tray roller conveyor, the tray on the conveying line and the articles on the tray can be subjected to centralized posture adjustment, and the phenomenon that the articles are squeezed off the conveying line due to the deviation of the postures of the articles is avoided.

Further effects of the above-mentioned non-conventional alternatives will be described below in connection with the embodiments.

Drawings

The drawings are included to provide a better understanding of the utility model and are not to be construed as unduly limiting the utility model. Wherein:

FIG. 1 is a schematic view of a safety gear device in an embodiment of the present invention with a gear lever in a raised state;

FIG. 2 is a schematic view of the safety gear device in a down state of the gear lever according to the embodiment of the utility model;

fig. 3 is a schematic structural view of a pallet roller conveyor in an embodiment of the present invention.

Description of reference numerals:

10: a safety gear device; 11: an active end support; 12: a driven end support; 13: a power unit; 14: an active swing link; 15: a driven swing rod; 16: a gear lever; 20: a pallet roller conveyor; 30: a roller conveying line; 40: a fixed beam; 50: an article; 100: a first pin shaft; 200: a second pin shaft; 300: a third pin shaft; 400: a fourth pin shaft; 500: a fifth pin shaft; 600: and a sixth pin shaft.

Detailed Description

Exemplary embodiments of the present invention are described below with reference to the accompanying drawings, in which various details of embodiments of the utility model are included to assist understanding, and which are to be considered as merely exemplary. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the utility model. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.

It should be noted that "set", "mounted" and "connected" in the following description may refer to a fixed fit between two objects, and may also refer to a non-fixed fit (e.g., a sliding connection); may represent a removable fit (e.g., a bolt and nut connection) or may represent a non-removable fit (e.g., a weld); the term "directly" or "indirectly" means a combination of the two or more. Furthermore, the embodiments of the present invention and the technical features in the embodiments may be combined with each other without conflict.

Fig. 1 is a schematic view of a safety gear device in an embodiment of the present invention when a shift lever is in a raised state, fig. 2 is a schematic view of a safety gear device in an embodiment of the present invention when a shift lever is in a lowered state, and as shown in fig. 1 and 2, a safety gear device 10 in an embodiment of the present invention may include the following components: the driving end support 11, the driven end support 12, the power unit 13, the driving swing link 14, the driven swing link 15 and the stop lever 16 are connected in the following specific relationship.

The active end support 11 is fixed at one end of the target to be protected. It is understood that the object to be protected refers to an object on which the above safety barrier device is to be installed for protection (e.g., protection of articles thereon), such as a roller conveyor line in a pallet roller conveyor, a pallet conveyor line of an elevator pallet, a shuttle lane, etc. The driven end support 12 is fixed at the other end of the target to be protected, and a protection area and a blocking area of the safety gear device are formed between the driving end support 11 and the driven end support 12. The power unit 13 has a fixed end and an actuating end, and the fixed end is connected with one end of the active end support 11 through a first pin 100 (may be non-fixed connection, such as hinged). In practical application, the power unit 13 may be a linear power unit, that is, the actuating end of the power unit 13 may move linearly, so that the automatic control may be realized with a simpler structure, and the degree of automation and the operating efficiency of the existing equipment are not affected. For example, the above power unit 13 may adopt an air cylinder, an electric push rod or a linear motor, in a specific application, the actuating end (for example, the rod portion of the electric push rod) of the power unit 13 is installed with a position sensor, and an external controller (not shown in the figures) may precisely control the extension distance and the reduction distance of the actuating end of the power unit 13 based on the collected data of the position sensor. In an actual scene, the external controller may adopt a micro control unit MCU, a central processing unit CPU, a complex programmable logic device CPLD, or the like, and may perform control based on an external instruction manually issued or a control program written in advance.

One end of the driving swing rod 14 is hinged with the actuating end of the power unit 13 through a second pin 200, and the middle part of the driving swing rod 14 (i.e. any position between one end and the other end of the driving swing rod 14) is hinged with the other end of the driving end support 11 through a third pin 300; one end of the driven swing rod 15 is hinged with the driven end support 12 through a sixth pin shaft 600; one end of the blocking lever 16 is hinged with the other end of the driving swing lever 14 through a fourth pin 400, and the other end of the blocking lever 16 is hinged with the other end of the driven swing lever 15 through a fifth pin 500.

Preferably, the driving end support 11, the driven end support 12, the power unit 13, the driving swing link 14, the driven swing link 15 and the stop lever 16 form a planar mechanism, which is compact in size and does not affect the functions and related fit dimensions of the existing structure.

Based on the above structure, the driving swing link 14 can rotate around the hinged position (i.e. the third pin 300) of the driving end support 11 and the driving swing link 14 under the driving of the power unit 13 to drive the blocking rod 16 to lift or fall, and in this process, the driven swing link 15 can rotate along the same rotation direction of the driving swing link 14 to support and cooperate with the lifting or falling of the blocking rod 16, thereby achieving the functions of generating protection and cancelling protection similar to a switch. It can be understood that, in the embodiment of the present invention, the position of the third pin 300 is fixed, and when the active swing link 14 rotates, the motion track of the second pin is arc-shaped.

Specifically, if the initial state of the blocking lever 16 is the lifted state (as shown in fig. 1), when the blocking lever 16 is required to fall, the external controller controls the actuating end of the power unit 13 to extend, so as to drive the driving swing link 14 to rotate around the hinge position of the driving swing link 14 and the driving end support 11 in a first direction (corresponding to a clockwise direction in fig. 1), and further drive the blocking lever 16 to fall to form a passage for an article 50 (when the safety blocking device according to the embodiment of the present invention is applied to a pallet roller conveyor, the article 50 in fig. 2 is on a pallet, and the pallet is not shown in fig. 2), and the distance that the blocking lever 16 is lower than the upper surface of the object to be protected when the blocking lever 16 is in the fallen state is h (as shown in fig. 2).

If the initial state of the shift lever 16 is a falling state (as shown in fig. 2), when the shift lever 16 needs to be lifted, the external controller controls the actuating end of the power unit 13 to be shortened, so as to drive the driving swing link 14 to rotate around the hinge position of the driving swing link 14 and the driving end support 11 along the reverse direction of the first direction (corresponding to the counterclockwise direction in fig. 2), and further drive the shift lever 16 to be lifted to form a barrier, thereby protecting the article 50. The lever 16 is raised above the upper surface of the object to be protected by a distance H (see fig. 1).

Based on the above functions of the safety barrier device 10 according to the embodiment of the present invention, the safety barrier device 10 may be used in various related scenarios to achieve the functions of forming protection and forming a passage, for example, the safety barrier device 10 is installed on a pallet roller conveyor to intensively adjust the posture and the advancing direction of a pallet and an article on a roller conveyor line, the pallet conveyor line in which the safety barrier device 10 is installed on a pallet of an elevator can protect the article on the pallet of the elevator, and the safety barrier device 10 is installed in a tunnel of a shuttle car to prevent the shuttle car from being out of control and rushing out of the tunnel, which will be mainly described below by taking a first scenario as an example.

Fig. 3 is a schematic structural diagram of a pallet roller conveyor in an embodiment of the present invention, which is used for transporting pallets. As shown in fig. 3, a pallet roller conveyor 20 of an embodiment of the present invention may include: two fixed beams 40 and a roller conveyor line 30 installed between the two fixed beams 40. The roller conveyor line 30 has a tray (not shown in fig. 3) for placing articles (not shown in fig. 3). At present, the tray and the articles on the tray are often deviated in posture during the conveying process, so that the position of the articles is conflicted, and the articles can even be squeezed off the conveying line in some cases. Wherein, the above-mentioned posture refers to the azimuth angle of the pallet or the article on the pallet on the roller conveyor line 30, and the posture deviates from, for example: an article on the roller conveyor line 30 is directed to the north at a certain time and directed to the west after being conveyed for a certain period of time, and the orientation angle is deviated from 90 degrees.

In order to adjust and correct the above deviation of the posture and ensure the smooth transfer of the articles, one or more corresponding structures can be added to the roller conveyor line 30 to form a block for a plurality of trays and/or articles on a plurality of trays and keep the block for a certain time so as to adjust the posture of the trays and/or articles on the trays to be consistent. Meanwhile, after the posture adjustment is finished, the normal passing of the tray and the articles cannot be influenced, and the safety gear device 10 can be used as the structure to achieve the effect. Specifically, one or more of the aforementioned safety barriers 10 may be provided on the roller conveyor line 30 of the pallet roller conveyor 20, and these safety barriers 10 may be installed between two fixed beams 40 (the aforementioned target to be protected is a roller conveyor line) and transversely (transversely perpendicular to the article conveying direction) across the roller conveyor line 30. In practical applications, when the posture of the pallet and/or the article on the pallet needs to be adjusted, the stop lever 16 in the safety stop device 10 is raised to be higher than the upper surface of the roller conveyor line 30 (i.e. the upper plane tangent to each roller) under the control of the external controller, so as to form a block on the pallet and/or the article on the pallet, and after the block is formed and maintained for a period of time, the pallet and/or the article on the pallet can automatically adjust the posture to be consistent under the power of the rollers.

When the attitude adjustment is complete, stop bar 16 in safety stop 10 falls below the upper surface of roller conveyor line 30 under the control of the external controller, allowing the passage of pallets and/or articles thereon. The tray and the articles on the tray travel on the upper surface and above the upper surface, so the stop lever at the moment can not cause any influence on the travel of the tray and the articles on the tray. Thus, automatic posture adjustment of the pallet and the article can be realized in the pallet roller conveyor 20. It will be appreciated that the installation of two safety guards 10 on the pallet roller conveyor 20 in fig. 3 is merely illustrative and that in practice one safety guard 10 or more than two safety guards 10 may be installed in place.

In a practical scenario, the strength of each pin and each rod of the above safety gear device 10 can be strengthened, so that the whole safety gear device can bear the impact from the tray and the object for a long time.

The application of the safety gear device 10 in an elevator tray is described below. In automated warehouses, elevator pallets may be used to transfer items between multi-level racks and external conveyor lines, and in general, elevator pallets may include two parallel-arranged fixed beams and a pallet conveyor line installed between the two fixed beams. In an embodiment of the utility model, two of the above-mentioned safety stop devices 10, i.e. a first safety stop device at the end of the pallet conveyor line near the multi-level shelf and a second safety stop device at the end of the pallet conveyor line near the outer conveyor line, can be mounted between the two fixed beams of the elevator pallet. During the lifting process of the elevator tray, the stop lever 16 in the first safety gear device and the second safety gear device can be lifted to prevent the articles from falling off due to high speed and acceleration or vibration, misoperation, control failure and the like. When the pallet conveyor line is docked with an external conveyor line or one of the multi-level racks, the stop lever 16 of the first safety stop device and/or the second safety stop device may be lowered for the passage of items.

In the embodiment of the utility model, the safety gear devices 10 can be arranged at two ends of a tunnel of the shuttle car, when the shuttle car normally works in the tunnel, the gear rod 16 is in a lifting state, so that the safety protection effect is realized, and the shuttle car is prevented from being out of control to rush out of the tunnel; when the shuttle vehicle needs to be repaired and exits the roadway, the stop lever 16 is in a falling state, and the shuttle vehicle is allowed to pass through.

It is understood that the above scenarios are only examples, and the present invention does not set any limit to the application scenarios of the above safety gear device.

It should be understood by those skilled in the art that the above-described embodiments described in the specification are preferred embodiments and that the components and modules referred to are not necessarily required to practice the utility model.

In the technical scheme of the embodiment of the utility model, a safety gear device comprising a driving end support, a driven end support, a power unit, a driving swing rod, a driven swing rod and a gear rod is designed, wherein, the driving end support and the driven end support are fixed at two ends of a target to be protected, the fixed end of the power unit is connected with the driving end support, the actuating end of the power unit is hinged with one end of the driving swing rod, the middle part of the driving swing rod is hinged with the driving end support, one end of the driven swing rod is hinged with the driven end support, two ends of the stop lever are respectively hinged with the other end of the driving swing rod and the other end of the driven swing rod, thus, when the actuating end of the power unit is extended or shortened under the control of an external controller, the driving swing rod can be driven to rotate, and then the blocking rod is driven to rise or fall, so that the formation protection or the cancellation protection function similar to a switch is realized, and the safety of article transmission is improved on the premise of not influencing the passing of articles. The components of the above safety barrier device form a planar mechanism of compact size, the installation of which does not affect the function and relative fitting dimensions of the existing structures. After the safety gear device is arranged on the tray roller conveyor, the tray on the conveying line and the articles on the tray can be subjected to centralized posture adjustment, and the phenomenon that the articles are squeezed off the conveying line due to the deviation of the postures of the articles is avoided.

The above-described embodiments should not be construed as limiting the scope of the utility model. Those skilled in the art will appreciate that various modifications, combinations, sub-combinations, and substitutions can occur, depending on design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A safety gear device (10), characterized by comprising:

the driving end support (11) is fixed at one end of the target to be protected;

the driven end support (12) is fixed at the other end of the target to be protected;

the power unit (13) is provided with a fixed end and an actuating end, and the fixed end is connected with one end of the active end support (11);

one end of the driving swing rod (14) is hinged with the actuating end of the power unit (13), and the middle part of the driving swing rod is hinged with the other end of the driving end support (11);

one end of the driven swing rod (15) is hinged with the driven end support (12);

one end of the blocking rod (16) is hinged with the other end of the driving swing rod (14), and the other end of the blocking rod is hinged with the other end of the driven swing rod (15);

the driving swing rod (14) can rotate around the hinged position of the driving swing rod (14) and the driving end support (11) under the driving of the power unit (13) so as to drive the blocking rod (16) to lift or fall.

2. Safety gear device (10) according to claim 1, characterised in that the actuating end of the power unit (13) is linearly movable.

3. Safety gear device (10) according to claim 2, characterized in that the driving end carrier (11), the driven end carrier (12), the power unit (13), the driving pendulum (14), the driven pendulum (15) and the gear lever (16) form a planar mechanism.

4. The safety gear device (10) according to claim 2, wherein the actuating end of the power unit (13) can be extended under the control of an external controller to rotate the driving swing link (14) in a first direction around the hinge position of the driving swing link (14) and the driving end support (11), and further to drop the gear lever (16) to form a channel.

5. The safety gear device (10) according to claim 4, wherein the actuating end of the power unit (13) can be shortened under the control of an external controller, and the driving swing rod (14) is driven to rotate around the hinged position of the driving swing rod (14) and the driving end support (11) along the direction opposite to the first direction, so as to drive the gear lever (16) to lift up to form a block.

6. Safety gear device (10) according to any one of claims 1-5, characterized in that the power unit (13) comprises: air cylinder, electric push rod or linear motor.

7. A pallet roller conveyor (20) for transporting pallets, comprising: the pallet conveying device comprises two fixed beams (40) and a roller conveying line (30) arranged between the two fixed beams (40), wherein the pallet is positioned on the roller conveying line (30); it is characterized in that the preparation method is characterized in that,

the pallet roller conveyor (20) further comprising a safety barrier (10) according to any of claims 1-6, said safety barrier (10) being mounted between said two fixed beams (40).

8. The pallet roller conveyor (20) of claim 7,

when the posture of the tray and/or the articles on the tray needs to be adjusted, a blocking rod (16) in the safety blocking device (10) is lifted to be higher than the upper surface of the roller conveying line (30) under the control of an external controller, and the blocking rod blocks the tray and/or the articles on the tray;

when the adjustment is completed, a stop lever (16) in the safety stop device (10) falls below the upper surface of the roller conveyor line (30) under the control of an external controller to pass the tray and/or the articles on the tray.