CN110482094B - Cargo bed with novel anti-falling mechanism and method thereof - Google Patents
Cargo bed with novel anti-falling mechanism and method thereof Download PDFInfo
- Publication number
- CN110482094B CN110482094B CN201910773054.4A CN201910773054A CN110482094B CN 110482094 B CN110482094 B CN 110482094B CN 201910773054 A CN201910773054 A CN 201910773054A CN 110482094 B CN110482094 B CN 110482094B
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- Prior art keywords
- falling
- carrying platform
- sliding block
- lever
- cargo
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G1/00—Storing articles, individually or in orderly arrangement, in warehouses or magazines
- B65G1/02—Storage devices
- B65G1/04—Storage devices mechanical
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D63/00—Brakes not otherwise provided for; Brakes combining more than one of the types of groups F16D49/00 - F16D61/00
- F16D63/008—Brakes acting on a linearly moving member
Abstract
The application designs a cargo carrying platform with a novel anti-falling mechanism and a method thereof, and designs an elastic energy storage linkage type anti-falling mechanism which does not need additional emergency starting power, and provides braking force for a cargo carrying platform carrier when the cargo carrying platform carrier is locally damaged or broken, so that safety accidents caused by unexpected falling of the cargo carrying platform are avoided. The lifting anti-falling device is arranged on a side arm of the cargo carrying platform and comprises a lever, one end of the lever is connected with a bearing piece of the cargo carrying platform, the other end of the lever is connected with a mandrel of the sliding block, and a group of connecting rod shafts are arranged on the sliding block in the opposite direction of the mandrel; a group of guide posts are vertically penetrated and installed on the sliding block, and the guide posts are sleeved with a reset spring; the upper and lower shaft ends of the connecting rod shaft are respectively connected with 1 group of anti-falling guide post seats at the vertical two sides of the sliding block and the reset spring; the anti-falling guide post seat is arranged on one side of the anti-falling base plate through a bolt, and 2 groups of braking inclined blocks are arranged on the other side of the anti-falling base plate; the connecting rod shaft passes through the anti-falling base plate and is positioned between the 2 groups of braking inclined blocks, the end of the connecting rod shaft is provided with an idler shaft, and the end part of the idler shaft is suspended with a braking idler.
Description
Technical Field
The application relates to a novel stacker, in particular to a mechanism for preventing accidental falling aiming at a vertical lifting cargo carrying platform, and belongs to the technical field of logistics storage.
Background
At present, various types of stackers are commonly used on the operation and transportation sites of the logistics three-dimensional warehouse. The hoist of stacker is pulled by wire rope, carries the cargo to carry out the transmission between different working heights through the cargo carrying platform.
The bearing part of the existing cargo carrying platform usually adopts a steel wire rope or a hoisting chain, after long-time heavy load use, the potential safety hazard that the bearing part is locally damaged or even broken exists, and at the moment, the cargo carrying platform freely falls down to generate serious safety accidents, so that operators and other equipment in the field environment are injured.
From the standpoint of safety protection of the lifting transport device, it is necessary to design and configure the relevant fall protection mechanism in advance for preventing accidental falling of the cargo bed carrier.
In view of this, the present patent application is specifically filed.
Disclosure of Invention
The application provides a cargo carrying platform with a novel anti-falling mechanism and a method thereof, which aim at solving the problems in the prior art and designing an elastic energy storage linkage anti-falling mechanism without additional emergency starting power, and providing braking force for the situation that a cargo carrying platform bearing part is locally damaged or broken, so as to avoid safety accidents caused by unexpected falling of the cargo carrying platform.
In order to achieve the above design purpose, the cargo carrying platform with the novel anti-falling mechanism comprises an anti-falling guide rail and a lifting anti-falling device connected with a cargo carrying platform bearing piece. Wherein, the liquid crystal display device comprises a liquid crystal display device,
the lifting anti-falling device is arranged on a side arm of the cargo carrying platform and comprises a lever, one end of the lever is connected with a bearing piece of the cargo carrying platform, the other end of the lever is connected with a mandrel of the sliding block, and a group of connecting rod shafts are arranged on the sliding block in the direction opposite to the mandrel;
a group of guide posts are vertically penetrated and installed on the sliding block, and the guide posts are sleeved with a reset spring; the upper and lower shaft ends of the connecting rod shaft are respectively connected with 1 group of anti-falling guide post seats at the vertical two sides of the sliding block and the reset spring; the anti-falling guide post seat is arranged on one side of the anti-falling base plate through a bolt, and 2 groups of braking inclined blocks are arranged on the other side of the anti-falling base plate;
the connecting rod shaft passes through the anti-falling base plate and is positioned between the 2 groups of braking inclined blocks, the end of the connecting rod shaft is provided with an idler shaft, and the end part of the idler shaft is suspended with a braking idler.
As with the basic design concepts described above, in the normal operating state, the lever is connected to the cargo bed carrier, and the lever, due to the lifting force, always forces the slide in a state of compressing the return spring, thereby producing a greater pre-tensioned traction force. Under the action of traction force, the brake idler wheel arranged on the slide block is always in an open state, and at the moment, the brake idler wheel is not contacted with the anti-falling guide rail, and the cargo carrying platform can freely lift along the anti-falling guide rail. Once the load-carrying platform bearing piece is broken, the lifting anti-falling device is started, the traction force transmitted by the load-carrying platform bearing piece is disappeared, potential energy accumulated by the reset spring is released to jack up the sliding block, the brake idler wheel is jacked up along with the traction force, the distance between the brake idler wheels is reduced along with the distance between the brake idler wheels due to the narrowing of oblique blocks at two sides until the anti-falling guide rail is clamped to stop sliding, and finally, the load-carrying platform is stably self-locked on the anti-falling guide rail, so that serious safety accidents of personnel injury and equipment damage caused by stall of the load-carrying platform or breakage of a steel wire rope are avoided.
In order to further improve the stability and flexibility of the transmission traction force of the lever, a preferable and refined scheme is that a fixed shaft is arranged between the carrying platform bearing piece and the mandrel and the anti-falling base plate, and the shaft end of the fixed shaft penetrates through and supports the lever.
In order to prevent the brake idler pulley from approaching the anti-falling guide rail due to the action of gravity, a group of shaft pins can be arranged between the anti-falling guide rail and the brake idler pulley and on the anti-falling base plate.
From the angles that the pre-loading lever is connected with the carrying part of the cargo platform and the proper pre-tightening traction force is adjusted, 1 group of jackscrews and nuts can be connected at the middle threaded hole of the upper anti-falling guide post seat.
Based on the application of the cargo carrying platform with the novel anti-falling mechanism, the application simultaneously provides an anti-falling braking method for the cargo carrying platform. In particular, the method comprises the steps of,
on the premise that the carrying piece of the cargo carrying platform is used well, the lifting force vertically upwards acts on the lever to enable the lever to always press the reset spring downwards through the sliding block, the brake idler wheel is opened downwards to keep not contacted with the anti-falling guide rail, and the cargo carrying platform is lifted vertically and freely;
when the carrying piece of the cargo platform is damaged and loses lifting force, the reset spring is reset upwards to spring up and drive the sliding block to jack up, and the brake idler wheel is lifted up along with the lifting force to gradually press the brake inclined block; the interval between the 2 groups of brake idler wheels is reduced along with the increase of the pressing force until the anti-falling guide rail is clamped, and the cargo carrying platform is integrally self-locked on the anti-falling guide rail.
Further, the lever transmits the lifting force of the cargo table carrier by the spindle at the end with the fixed shaft on the fall prevention base plate as a fulcrum.
At the same time, the axle pin obstructs the brake idler wheel from tending to approach the fall arrest rail due to gravity.
In addition, when the anti-falling mechanism is pre-installed, the sliding block is pressed down by the jackscrew and the nut to keep the mandrel and the fixed shaft to be vertical and level, and then the loading platform bearing piece is connected at the end part of the lever.
In summary, the cargo carrying platform with the novel anti-falling mechanism and the method thereof have the advantages that elastic energy storage is adopted, no additional emergency power is needed for starting when the cargo carrying platform falls accidentally, the locking braking force can be provided immediately by means of the linkage type anti-falling mechanism, the occurrence of related safety accidents is effectively avoided, and the anti-falling mechanism has a remarkable protection effect on operators and equipment.
Drawings
The application will now be further described with reference to the following drawings.
FIG. 1 is a schematic illustration of a slider-based assembly;
FIG. 2 is a schematic illustration of an assembled guide post and return spring;
FIG. 3 is a schematic view of the installation of the fall arrest base plate;
FIG. 4 is a schematic illustration of the installation of a brake idler;
FIG. 5 is a schematic illustration of a connecting stationary lever;
FIG. 6 is a schematic view of the lift and fall arrest device mounted to a cargo bed;
FIG. 7 is a schematic view of the lift and fall arrest device without activating the brake mechanism;
fig. 8 is a schematic view of the lifting fall arrester in a state where the braking mechanism is activated.
Detailed Description
Embodiment 1 as shown in fig. 1 to 8, the cargo bed with the novel fall protection mechanism of the present application mainly includes a fall protection guide rail 16 and a lifting fall protection device connected to a cargo bed carrier 13.
Specifically, the lifting anti-falling device is mounted on a side arm 100 of a cargo platform, and comprises a lever 12 with one end connected to a cargo platform bearing piece 13, the other end of the lever 12 is connected to a mandrel 2 of a sliding block 3, and a group of connecting rod shafts 1 are arranged on the sliding block 3 in the opposite direction of the mandrel 2; a fixed shaft 9 is arranged between the carrying platform bearing piece 13 and the mandrel 2 and the anti-falling base plate 7, and the shaft end of the fixed shaft 9 passes through and supports a lever 12;
a group of guide posts 4 are vertically penetrated and installed on the sliding block 3, and the guide posts 4 are sleeved with reset springs 5; the vertical two sides of the sliding block 3 and the reset spring 5, and the upper and lower shaft ends of the connecting rod shaft 1 are respectively connected with 1 group of anti-falling guide post seats 42; 1 group of jackscrews and nuts 44 are connected at the middle threaded hole of the upper anti-falling guide post seat 42; the anti-falling guide post seat 42 is arranged on one side of the anti-falling base plate 7 through bolts, and 2 groups of braking inclined blocks 6 are arranged on the other side of the anti-falling base plate 7;
the connecting rod shaft 1 passes through the anti-falling base plate 7 and is positioned between the 2 groups of brake inclined blocks 6, an idler shaft 11 is arranged at the shaft end of the connecting rod shaft 1, and a brake idler 10 is hung at the end part of the idler shaft 11; a set of axle pins 8 are mounted on the fall arrest base plate 7 between the fall arrest guide rail 16 and the brake idler 10.
The installation process of the lifting anti-falling device is described as follows in combination with the accompanying drawings:
as shown in fig. 1, 2 link shafts 1 and 1 mandrel 2 are respectively fitted into a slider 3, and are respectively pressed by hexagon socket bolts. The connecting rod shaft 1 is mounted opposite to the spindle 2 on the slide 3.
As shown in fig. 2, two oil-containing bearings are respectively installed in two guide post holes 41, then springs 5 are respectively sleeved on guide posts 4, and finally one ends of the guide posts 4 pass through holes 31 on the sliding blocks 3.
As shown in fig. 3, the fall arrest base plate is installed, first, the brake shoe 6 is fixed to the fall arrest base plate 7 with 4 bolts; then, 2 shaft pins 8 are fixed in holes on the anti-falling base plate 7; then, the anti-falling braking inclined block 6 passes through the rectangular hole in the middle of the cargo platform 100 from inside to outside, and the anti-falling base plate 7 is fastened on the cargo platform 100 by using 4 bolts 71; finally, 2 fall-preventing guide post holders 42 are fixed to the fall-preventing base plate 7 with 2 bolts 43, respectively, and 1 set of jackscrews and nuts 44 are assembled at the neutral threaded holes of the upper fall-preventing guide post holders 42.
The brake idler wheel 10 is sleeved at the idler wheel shaft 11, and is clamped in the position shown in the figure 4 (a) by an elastic retainer ring; subsequently, as shown in fig. 4 (b), the idler shaft 11 is assembled in the order of "circlip-washer-brake drop wheel-washer-circlip" at the head of the link shaft 1 until the complete installation of 2 sets is completed.
As shown in fig. 5, the lever is installed, first, the top thread and the nut 44 of the upper anti-falling guide post holder 42 are adjusted to move the slider 3 downward until the axis of the spindle 2 is vertically flush with the axis of the fixed shaft 9 of the anti-falling base plate, and the lever 12 is threaded onto the two shafts and the washer and the circlip are sleeved.
The lift and fall arrest device as shown in figure 6 is mounted to the cargo bed.
In the non-actuated braking condition shown in fig. 7, the lever 12 is connected to the load carrier 13, and the load carrier 13 provides an upward lifting force in the opposite direction and equal magnitude to the weight of the load 100; the lever 12 keeps the slider 3 in a state of pressing the return spring 5 all the time due to the lifting force, thereby generating a larger pre-tightening traction force; under the action of traction force, the brake idler wheel 10 arranged on the slide block 3 is just positioned between the anti-falling inclined block 6 and the spring pin 8, the spring pin 8 blocks the brake idler wheel 10 so that the brake idler wheel 10 cannot swing towards the direction close to the anti-falling guide rail 16 under the action of gravity, the brake idler wheel 10 is always in an open state, at the moment, the brake idler wheel 10 is not contacted with the anti-falling guide rail 16, and the cargo carrying platform 100 can freely lift along the anti-falling guide rail 16.
After the braking state is started as shown in fig. 8, once the carrying part 13 of the carrying platform breaks, the traction force transmitted by the carrying part 13 of the carrying platform disappears, the return spring 5 starts, the sliding block 3 is jacked up by the return spring 5, the braking idler 10 on the sliding block is jacked up along with the return spring 5, and meanwhile, the distance between the braking idler 10 is reduced along with the braking inclined blocks 3 at two sides until the anti-falling guide rail 16 is clamped from two sides to the middle, so that the carrying platform 100 is firmly self-locked on the anti-falling guide rail 16.
In combination with the above, the application provides a cargo bed anti-falling braking method according to the following scheme:
on the premise that the carrying platform bearing piece 13 is used well, the lever 12 takes the fixed shaft 9 on the anti-falling base plate 7 as a fulcrum, the mandrel 2 at the end part transmits the lifting force of the carrying platform bearing piece 13, the lever 12 always presses the return spring 5 downwards through the sliding block 3, the brake idler wheel 10 is opened downwards to keep out of contact with the anti-falling guide rail 16, the shaft pin 8 blocks the brake idler wheel 10 to prevent the trend that the brake idler wheel is close to the anti-falling guide rail 16 due to the action of gravity, and the carrying platform freely rises and falls along the vertical direction of the anti-falling guide rail 16;
when the cargo carrying platform bearing piece 13 is damaged and loses lifting force, the reset spring 5 is reset upwards to spring up and drive the sliding block 3 to jack up, and the brake idler wheel 10 is gradually pressed on the brake inclined block 6 along with lifting; as the pressing force increases, the spacing between the 2 groups of brake idler wheels 10 decreases until the anti-falling guide rail 16 is clamped, and the cargo bed is integrally self-locked to the anti-falling guide rail 16.
When the fall protection mechanism is pre-installed, the sliding block 3 is pressed down by the jackscrew and the nut 44 to keep the mandrel 2 and the fixed shaft 9 vertically flush, and then the loading platform bearing piece 13 is connected to the end of the lever 12.
In summary, the embodiments shown in the drawings are only preferred embodiments for achieving the object of the application, and other alternative structures directly derived by those skilled in the art should fall within the scope of the application.
Claims (7)
1. The cargo carrying platform with the novel anti-falling mechanism is characterized by comprising an anti-falling guide rail (16) and a lifting anti-falling device connected with a cargo carrying platform bearing piece (13);
the lifting anti-falling device is arranged on a side arm (100) of the cargo carrying platform and comprises a lever (12) with one end connected with a cargo carrying platform bearing piece (13), the other end of the lever (12) is connected with a mandrel (2) of the sliding block (3), and a group of connecting rod shafts (1) are arranged on the sliding block (3) in the opposite direction of the mandrel (2);
a group of guide posts (4) are vertically penetrated and installed on the sliding block (3), and the guide posts (4) are sleeved with a reset spring (5); the vertical two sides of the sliding block (3) and the reset spring (5) and the upper and lower shaft ends of the guide post (4) are respectively connected with 1 group of anti-falling guide post seats (42); the anti-falling guide post seat (42) is arranged on one side of the anti-falling base plate (7) through bolts, and 2 groups of braking inclined blocks (6) are arranged on the other side of the anti-falling base plate (7);
the connecting rod shaft (1) passes through the anti-falling base plate (7) and is positioned between the 2 groups of braking inclined blocks (6), an idler shaft (11) is arranged at the shaft end of the connecting rod shaft (1), and a braking idler wheel (10) is hung at the end part of the idler shaft (11);
a fixed shaft (9) is arranged between the carrying platform bearing piece (13) and the mandrel (2) and the anti-falling base plate (7), and the shaft end of the fixed shaft (9) passes through and supports a lever (12).
2. Cargo bed with novel fall protection mechanism according to claim 1, characterized in that a set of axle pins (8) is mounted on the fall protection base plate (7) between the fall protection guide rail (16) and the brake idler wheel (10).
3. The cargo bed with the novel fall protection mechanism according to claim 2, wherein 1 group of jackscrews and nuts (44) are connected at the middle threaded hole of the upper fall protection guide post seat (42).
4. A method of fall arrest braking a cargo bed having a novel fall arrest mechanism as claimed in claim 3, wherein: under the premise that the carrying piece (13) of the cargo platform is used completely, the lifting force vertically upwards acts on the lever (12) to enable the lever to be always downwards pressed against the reset spring (5) through the sliding block (3), the brake idler wheel (10) is downwards opened to keep not contacted with the anti-falling guide rail (16), and the cargo platform is freely lifted vertically;
when the carrying piece (13) of the cargo platform is damaged and loses lifting force, the return spring (5) returns upwards to spring and drive the sliding block (3) to jack up, and the brake idler wheel (10) rises along with the spring to gradually press the brake inclined block (6); the interval between the 2 groups of brake idler wheels (10) is reduced along with the increase of the pressing force until the anti-falling guide rail (16) is clamped, and the cargo carrying platform is integrally self-locked on the anti-falling guide rail (16).
5. The fall arrest method according to claim 4, wherein: the lever (12) uses a fixed shaft (9) on the anti-falling base plate (7) as a fulcrum, and the lifting force of the cargo carrying platform carrier (13) is transmitted by the mandrel (2) at the end.
6. The fall arrest method according to claim 5, wherein: the axle pin (8) blocks the brake idler (10) from approaching the anti-falling guide rail (16) due to gravity.
7. The fall arrest method according to claim 6, wherein: when the anti-falling mechanism is pre-installed, the sliding block (3) is pressed down by the jackscrew and the nut (44) to keep the mandrel (2) and the fixed shaft (9) vertically flush, and then the loading table bearing piece (13) is connected at the end part of the lever (12).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110015634.4A CN112678745A (en) | 2019-08-21 | 2019-08-21 | Anti-falling braking method for cargo carrying platform |
| CN201910773054.4A CN110482094B (en) | 2019-08-21 | 2019-08-21 | Cargo bed with novel anti-falling mechanism and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910773054.4A CN110482094B (en) | 2019-08-21 | 2019-08-21 | Cargo bed with novel anti-falling mechanism and method thereof |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110015634.4A Division CN112678745A (en) | 2019-08-21 | 2019-08-21 | Anti-falling braking method for cargo carrying platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110482094A CN110482094A (en) | 2019-11-22 |
| CN110482094B true CN110482094B (en) | 2023-09-15 |
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| CN201910773054.4A Active CN110482094B (en) | 2019-08-21 | 2019-08-21 | Cargo bed with novel anti-falling mechanism and method thereof |
| CN202110015634.4A Pending CN112678745A (en) | 2019-08-21 | 2019-08-21 | Anti-falling braking method for cargo carrying platform |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202110015634.4A Pending CN112678745A (en) | 2019-08-21 | 2019-08-21 | Anti-falling braking method for cargo carrying platform |
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| CN (2) | CN110482094B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113233280B (en) * | 2021-03-26 | 2022-03-01 | 科捷智能科技股份有限公司 | Connecting rod type anti-falling mechanism |
| CN113819165B (en) * | 2021-10-29 | 2023-08-08 | 深圳中集天达物流系统工程有限公司 | Braking mechanism and stacker |
| CN113998360B (en) * | 2021-11-08 | 2023-07-14 | 安徽瑞佑自动化科技有限公司 | Hoister for three-dimensional warehouse of shipping line |
| CN114132673A (en) * | 2021-12-29 | 2022-03-04 | 松科快换（常州）智能装备有限公司 | Stacker anti-falling device |
| CN114408809B (en) * | 2022-02-26 | 2024-01-16 | 温州云洁科技有限公司 | Stacker with fall buffer |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110482094A (en) | 2019-11-22 |
| CN112678745A (en) | 2021-04-20 |
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