CN113845066B - Unpowered free lifting working platform - Google Patents
Unpowered free lifting working platform Download PDFInfo
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- CN113845066B CN113845066B CN202010594293.6A CN202010594293A CN113845066B CN 113845066 B CN113845066 B CN 113845066B CN 202010594293 A CN202010594293 A CN 202010594293A CN 113845066 B CN113845066 B CN 113845066B
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- clamping
- clamping wheel
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- sliding support
- sliding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
- B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The invention discloses an unpowered free lifting working platform, which relates to the technical field of lifting platforms and solves the technical problems that in the existing outdoor construction, certain construction points exceed the height of one person, the construction area is narrow and the scaffold and a lifter cannot be built; the invention can easily realize the lifting of the platform without hydraulic pressure and electric power, and is safe and reliable.
Description
Technical Field
The invention relates to the technical field of gas meters, in particular to an unpowered free lifting working platform.
Background
The usual lifting equipment for outdoor construction is an elevator. The lifter is also called as lifting operation platform, which is a multifunctional lifting mechanical device and can be divided into a fixed type lifting mechanical device, a movable type lifting mechanical device, a guide rail type lifting mechanical device, a crank arm type lifting mechanical device, a scissor type lifting mechanical device, a chain type lifting mechanical device, a loading platform and the like. Elevators are commonly used for rescue and finishing.
The guide rail type hydraulic lifting goods elevator is characterized in that the guide rail type hydraulic lifting goods elevator adopts heavy chain transmission, an oil wire rope is used as a safety, the guide rail type hydraulic lifting goods elevator adopts a hydraulic explosion-proof oil pipe, a safety device for preventing overload is arranged, a multiple limit switch protection device, a door opening and power-off protection device, a leakage protection device and a multi-layer building interactive linkage are arranged, so that the safety coefficient of the guide rail type hydraulic lifting goods elevator is much higher than that of a common goods elevator; is a very widely used vertical transportation device for goods. The hydraulic lifting goods elevator is driven by the motor to drive the oil pump and the heavy chain to drive the hydraulic lifting goods elevator to lift horizontally by virtue of the oil cylinder, and has the characteristics of large carrying capacity, stable lifting and the like due to the adoption of hydraulic pressure as lifting power, so that the hydraulic lifting goods elevator is widely applied to vertical transportation of goods between high-rise buildings. The guide rail type hydraulic lifting goods elevator adopts the transmission of the oil cylinder and the chain, and the moving parts are fewer, so that the maintenance workload is less than that of a scissor type hydraulic lifting goods elevator; the guide rail type hydraulic lifting goods elevator is compact in structure, the adopted bearings are less than scissor type hydraulic pressure, and the service life of the guide rail type hydraulic lifting goods elevator is longer than that of the scissor type hydraulic lifting goods elevator; the guide rail type hydraulic lifting goods elevator adopts hydraulic transmission, so that the carrying capacity is relatively large; the conveying height of the guide rail type hydraulic lifting goods elevator is much higher than that of the scissor type hydraulic lifting goods elevator, which can reach tens of meters, and the stability is better than that of the scissor type hydraulic lifting goods elevator; the guide rail type hydraulic lifting goods elevator descends by adopting the self weight and the goods weight, so that the guide rail type hydraulic lifting goods elevator is economical to operate compared with the common goods elevator; the hydraulic lifting goods elevator adopts the plc programmable controller, can realize intelligent control and display, and simultaneously has simple circuit and low failure rate. According to the different structures of the lifter: scissor lifts (fixed scissor lifts, mobile lifts), sleeve-cylinder lifts, aluminum alloy (upright) lifts, crank lifts (folding arm type update), cylinder direct-lift type lifting devices, guide rail chain lifts (elevators, lifts), and steel rope type hydraulic lifting devices. Hydraulic oil is formed into a certain pressure by a vane pump, and enters the lower end of a hydraulic cylinder through an oil filter, an explosion-proof electromagnetic directional valve, a throttle valve, a hydraulic control one-way valve and a balance valve, so that a piston of the hydraulic cylinder moves upwards to lift a heavy object, return oil at the upper end of the hydraulic cylinder returns to an oil tank through the explosion-proof electromagnetic directional valve, the rated pressure of the return oil is adjusted through an overflow valve, and a pressure gauge reads a value through a pressure gauge.
In outdoor construction, always some construction points exceed the height of a person, and the construction area is narrow and small, so that certain difficulty is brought to building the scaffold, and in view of the situation, a manual lifting working platform with the height capable of being adjusted at will and without electric power is designed.
Disclosure of Invention
The invention aims at: the invention provides an unpowered free lifting working platform, which aims to solve the technical problems that in the existing outdoor construction, the height of some construction points exceeds that of one person, the construction area is narrow, and a scaffold and a lifter cannot be built.
The invention adopts the following technical scheme for realizing the purposes:
the utility model provides an unpowered free lifting platform, the on-line screen storage device comprises a base, erect the fixed rail who sets up on the base and can be at the sliding support that fixed rail can reciprocate, the sliding support is provided with the platform board, the fixed card wheel locating plate that is provided with in the middle part of fixed rail, the sliding support is provided with the T-shaped groove with fixed rail assorted, card wheel locating plate width is less than the narrow slot width in T-shaped groove, the wide groove in fixed rail and T-shaped groove is cheering and is matchd, be provided with two clamping wheels on the sliding support, two clamping wheels are for card wheel locating plate symmetry, the clamping wheel is the eccentric wheel, the clamping wheel can rotate on the sliding support around its eccentric point, be provided with the spring between two clamping wheels, the both ends of spring respectively with two clamping wheels fixed connection, the spring can be with two clamping wheels toward card wheel locating plate contact, and let two clamping wheels block card wheel locating plate, utilize the quiet friction that the card wheel produced to the card wheel locating plate, prevent the sliding support gliding, be provided with the stay cord that can pull two clamping wheels open and let two clamping wheels leave the card wheel locating plate.
The two clamping wheels are contacted with the clamping wheel positioning plate to form a supporting point of force, and because the clamping wheels are of eccentric design, the gravity of the sliding support is transmitted to the eccentric shaft of the clamping wheels and falls down together with the clamping wheels, but the downward force is partially decomposed to the supporting point under the influence of the supporting point or the clamping dead point, so that the static friction force on the guide rail is increased, and the static friction force counteracts the gravity of the sliding support and a load on the sliding support, thereby preventing the sliding of the support.
The pull rope is used for assisting the lifting of the support. The pull rope is pulled manually, the clamping wheels are pulled to two sides through the pull rope, the locking of the clamping wheel on the clamping wheel positioning plate is released, and the clamping wheels only release the locking of the clamping wheel positioning plate due to the limitation of the distance of the safety baffle of the clamping wheels. At this time, the sliding bracket can move up and down.
Further, the number of the fixed guide rails is 2, and sliding brackets are arranged on the 2 fixed guide rails, and a limiter capable of limiting the height of the relative positions of the two sliding brackets is arranged on the sliding brackets.
Further, one end of the limiter is hinged with one of the sliding brackets, the other end of the limiter is provided with a limiting groove, a positioning column capable of sliding back and forth in the limiting groove is arranged in the limiting groove, and one end of the positioning column is fixedly connected with the other sliding bracket. The setting of stopper lets work platform have two independent elevating system to constitute simultaneously, in order to consider safety when one needs to promote, and the range that does not allow to promote is too big, just restrict the height that another sliding support promoted with the stopper, has improved safe operating performance.
Further, be provided with the lifting handle on the stay cord, one of them stay cord's one end and one of them clamping wheel fixed connection, the other end and the left end fixed connection of lifting handle of stay cord, the one end and the other clamping wheel fixed connection of another stay cord, the other end and the right-hand member fixed connection of lifting handle of another stay cord all are provided with the gyro wheel with stay cord assorted on each stay cord, gyro wheel and sliding support rotate to be connected, the gyro wheel is the groove gyro wheel.
Further, the connection of the pull rope and the clamping wheel is positioned at the connection of the clamping wheel and the spring.
Further, a clamping wheel positioning plate for limiting the clamping wheel to rotate outwards of the sliding support is fixedly arranged on the sliding support.
Further, the clamping wheel is positioned between the clamping wheel positioning plate and the clamping wheel safety baffle.
The beneficial effects of the invention are as follows:
1. the invention sets the clamping wheel as the eccentric wheel, prevents the sliding bracket from sliding downwards by utilizing the self-locking principle that the eccentric wheel generates strong static friction force on the guide rail, and simultaneously sets the pull rope, pulls the clamping wheel to two sides by the pull rope, and unlocks the clamping wheel positioning plate of the clamping wheel. At this time, the sliding bracket can move up and down.
2. The two clamping wheels are contacted with the clamping wheel positioning plate to form a supporting point of force, and because the clamping wheels are of eccentric design, the gravity of the sliding support is transmitted to the eccentric shaft of the clamping wheels and falls down together with the clamping wheels, but the downward force is partially decomposed to the supporting point under the influence of the supporting point or the clamping dead point, so that the static friction force on the guide rail is increased, and the static friction force counteracts the gravity of the sliding support and a load on the sliding support, thereby preventing the sliding of the support.
3. The setting of stopper lets work platform have two independent elevating system to constitute simultaneously, in order to consider safety when one needs to promote, and the range that does not allow to promote is too big, just restrict the height that another sliding support promoted with the stopper, has improved safe operating performance.
4. Compared with the existing lifter and scaffold, the technology of the invention can easily realize lifting of the platform without hydraulic pressure and electric power, is safe and reliable, and solves the technical problems that in outdoor construction, some construction points exceed the height of one person, the construction area is narrow, the scaffold cannot be built, and the lifter cannot reach or be placed.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic perspective view of a base;
FIG. 3 is a schematic perspective view of a sliding bracket;
FIG. 4 is a schematic view of the structure of the click wheel;
fig. 5 is a schematic view of the structure of the stopper.
Reference numerals: the device comprises a base, a 2-fixed guide rail, a 3-roller, a 4-clamping wheel safety baffle, a 5-clamping wheel, a 6-sliding support, a 7-stay cord, an 8-platform plate, a 9-T-shaped groove, a 10-lifting handle, a 11-fixed guide rail, a 12-clamping wheel positioning plate, a 13-limiting groove, a 14-limiter and a 15-spring.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In describing embodiments of the present invention, it should be noted that the directions or positional relationships indicated by the terms "inner", "outer", "upper", etc. are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in place when the inventive product is used, are merely for convenience of description and simplification of description, and are not indicative or implying that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Example 1
As shown in fig. 1 to 5, this embodiment provides an unpowered free lifting working platform, which comprises a base 1, a fixed guide rail 2 vertically arranged on the base 1 and a sliding support 6 capable of moving up and down on the fixed guide rail 2, wherein the sliding support 6 is provided with a platform plate 8, a clamping wheel positioning plate 12 is fixedly arranged in the middle of the fixed guide rail 2, the sliding support 6 is provided with a T-shaped groove 9 matched with the fixed guide rail 2, the width of the clamping wheel positioning plate 12 is smaller than the narrow groove width of the T-shaped groove 9, the fixed guide rail 2 is in cheering motion matching with the wide groove of the T-shaped groove 9, two clamping wheels 5 are arranged on the sliding support 6, the two clamping wheels 5 are symmetrical relative to the clamping wheel positioning plate 12, the clamping wheels 5 are eccentric wheels, the clamping wheels 5 can rotate on the sliding support 6 around the eccentric points of the clamping wheels 5, two ends of the springs 15 are fixedly connected with the two clamping wheels 5 respectively, the two clamping wheels 5 can be contacted with the clamping wheel positioning plate 12, the two clamping wheels 5 are clamped by the clamping wheel positioning plate 12, the clamping wheels 5 are clamped by the clamping wheels 5, the clamping wheels 5 can be prevented from rotating away from the clamping wheels 5 by the sliding support 6, and the two clamping wheels 5 can be prevented from rotating by the clamping wheels 5.
Example 2
As shown in fig. 1 to 5, this embodiment provides an unpowered free lifting working platform, which comprises a base 1, a fixed guide rail 2 vertically arranged on the base 1 and a sliding support 6 capable of moving up and down on the fixed guide rail 2, wherein the sliding support 6 is provided with a platform plate 8, a clamping wheel positioning plate 12 is fixedly arranged in the middle of the fixed guide rail 2, the sliding support 6 is provided with a T-shaped groove 9 matched with the fixed guide rail 2, the width of the clamping wheel positioning plate 12 is smaller than the narrow groove width of the T-shaped groove 9, the fixed guide rail 2 is in cheering motion matching with the wide groove of the T-shaped groove 9, two clamping wheels 5 are arranged on the sliding support 6, the two clamping wheels 5 are symmetrical relative to the clamping wheel positioning plate 12, the clamping wheels 5 are eccentric wheels, the clamping wheels 5 can rotate on the sliding support 6 around the eccentric points of the clamping wheels 5, two ends of the springs 15 are fixedly connected with the two clamping wheels 5 respectively, the two clamping wheels 5 can be contacted with the clamping wheel positioning plate 12, the two clamping wheels 5 are clamped by the clamping wheel positioning plate 12, the clamping wheels 5 are clamped by the clamping wheels 5, the clamping wheels 5 can be prevented from rotating away from the clamping wheels 5 by the sliding support 6, and the two clamping wheels 5 can be prevented from rotating by the clamping wheels 5.
The number of the fixed guide rails 2 is 2, sliding brackets 6 are arranged on the 2 fixed guide rails 2, and limiters 14 capable of limiting the height of the relative positions of the two sliding brackets 6 are arranged on the sliding brackets 6.
One end of the limiter 14 is hinged with one of the sliding brackets 6, the other end of the limiter 14 is provided with a limiting groove 13, a positioning column capable of sliding back and forth in the limiting groove 13 is arranged in the limiting groove 13, and one end of the positioning column is fixedly connected with the other sliding bracket 6. The setting of the limiter 14 allows the working platform to be composed of two independent lifting mechanisms, and when one of the working platform needs to be lifted, the lifting amplitude is not allowed to be too large, so that the limiter 14 is used for limiting the lifting height of the other sliding support 6, and the safety operation performance is improved.
Example 3
As shown in fig. 1 to 5, this embodiment provides an unpowered free lifting working platform, which comprises a base 1, a fixed guide rail 2 vertically arranged on the base 1 and a sliding support 6 capable of moving up and down on the fixed guide rail 2, wherein the sliding support 6 is provided with a platform plate 8, a clamping wheel positioning plate 12 is fixedly arranged in the middle of the fixed guide rail 2, the sliding support 6 is provided with a T-shaped groove 9 matched with the fixed guide rail 2, the width of the clamping wheel positioning plate 12 is smaller than the narrow groove width of the T-shaped groove 9, the fixed guide rail 2 is in cheering motion matching with the wide groove of the T-shaped groove 9, two clamping wheels 5 are arranged on the sliding support 6, the two clamping wheels 5 are symmetrical relative to the clamping wheel positioning plate 12, the clamping wheels 5 are eccentric wheels, the clamping wheels 5 can rotate on the sliding support 6 around the eccentric points of the clamping wheels 5, two ends of the springs 15 are fixedly connected with the two clamping wheels 5 respectively, the two clamping wheels 5 can be contacted with the clamping wheel positioning plate 12, the two clamping wheels 5 are clamped by the clamping wheel positioning plate 12, the clamping wheels 5 are clamped by the clamping wheels 5, the clamping wheels 5 can be prevented from rotating away from the clamping wheels 5 by the sliding support 6, and the two clamping wheels 5 can be prevented from rotating by the clamping wheels 5.
The lifting handle 10 is arranged on each pull rope 7, one end of each pull rope 7 is fixedly connected with one clamping wheel 5, the other end of each pull rope 7 is fixedly connected with the left end of the lifting handle 10, one end of the other pull rope 7 is fixedly connected with the other clamping wheel 5, the other end of the other pull rope 7 is fixedly connected with the right end of the lifting handle 10, each pull rope 7 is provided with a roller 3 matched with each pull rope 7, each roller 3 is rotatably connected with the sliding support 6, and each roller 3 is a groove-shaped roller.
The connection of the pull rope 7 and the clamping wheel 5 is at the connection of the clamping wheel 5 and the spring 15. The sliding support 6 is fixedly provided with a clamping wheel positioning plate 12 for limiting the clamping wheel 5 to rotate outwards of the sliding support 6, and the clamping wheel 5 is positioned between the clamping wheel positioning plate 12 and the clamping wheel safety baffle 4.
Example 4
Working principle:
the two clamping wheels 5 are contacted with the clamping wheel positioning plate 12 to form a supporting point of force, and because the clamping wheels 5 are of eccentric design, the gravity of the sliding support 6 is transmitted to the eccentric shaft of the clamping wheels 5 and falls downwards together with the clamping wheels 5, but under the influence of the supporting point or the clamping dead point, part of the downward force is decomposed to the supporting point, so that the static friction force on the guide rail is increased, and the static friction force counteracts the gravity of the sliding support 6 and a load on the sliding support 6, thereby preventing the sliding of the support.
The pull rope 7 is used for assisting the lifting of the support. The pull rope 7 is pulled manually, the clamping wheel 5 is pulled to two sides through the pull rope 7, the locking of the clamping wheel 5 to the clamping wheel positioning plate 12 is released, and the clamping wheel only releases the locking of the clamping wheel positioning plate 12 due to the limitation of the distance of the clamping wheel safety baffle 4. The sliding support 6 can now be moved up and down.
Claims (4)
1. The utility model provides an unpowered free lifting working platform, including base (1), erect fixed rail (2) that set up on base (1) and can be at fixed rail (2) movable sliding support (6) from top to bottom, sliding support (6) are provided with platform board (8), characterized in that, fixed clamping wheel locating plate (12) that are provided with in the middle part of fixed rail (2), sliding support (6) are provided with T-shaped groove (9) with fixed rail (2) assorted, clamping wheel locating plate (12) width is less than T-shaped groove (9) narrow groove width, fixed rail (2) and T-shaped groove (9) wide groove are cheering dynamic match, be provided with two clamping wheels (5) on sliding support (6), two clamping wheels (5) are for clamping wheel locating plate (12) symmetry, clamping wheel (5) are the eccentric wheel, clamping wheel (5) can rotate on sliding support (6) around its eccentric point, be provided with spring (15) between two clamping wheels (5), both ends of spring (15) respectively with two clamping wheel (5) fixed connection clamping wheel (5) and clamping wheel (12) make use of the friction wheel (12) to fix a position the friction wheel (12) to make the friction wheel (12), the sliding support (6) is prevented from sliding downwards, the clamping wheels (5) are provided with pull ropes (7) which can pull two clamping wheels (5) apart and enable the two clamping wheels (5) to rotate away from the clamping wheel positioning plate (12), the number of the fixed guide rails (2) is 2, the sliding supports (6) are arranged on the fixed guide rails (2), the sliding supports (6) are provided with limiters (14) which can limit the height of the relative positions of the two sliding supports (6), one end of each limiter (14) is hinged with one sliding support (6), the other end of each limiter (14) is provided with a limiting groove (13), a positioning column which can slide back and forth in each limiting groove (13) is arranged in each limiting groove (13), one end of each positioning column is fixedly connected with the other sliding support (6), a lifting handle (10) is arranged on each pull rope (7), one end of each pull rope (7) is fixedly connected with one clamping wheel (5), the other end of each lifting handle (10) is fixedly connected with the left end of the corresponding lifting handle (10), one end of the other clamping wheels (7) is fixedly connected with the other lifting handle (7), each roller (7) is fixedly connected with the other end of each lifting handle (7), the roller (3) is rotationally connected with the sliding support (6), and the roller (3) is a groove-shaped roller.
2. The unpowered free lifting working platform as claimed in claim 1, wherein the connection of the pull rope (7) and the clamping wheel (5) is at the connection of the clamping wheel (5) and the spring (15).
3. The unpowered free lifting working platform according to claim 1, wherein a clamping wheel positioning plate (12) for limiting the clamping wheel (5) to rotate outwards of the sliding bracket (6) is fixedly arranged on the sliding bracket (6).
4. A power-free lifting platform according to claim 3, characterized in that the clamping wheel (5) is located between the clamping wheel positioning plate (12) and the clamping wheel safety barrier (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010594293.6A CN113845066B (en) | 2020-06-28 | 2020-06-28 | Unpowered free lifting working platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010594293.6A CN113845066B (en) | 2020-06-28 | 2020-06-28 | Unpowered free lifting working platform |
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| Publication Number | Publication Date |
|---|---|
| CN113845066A CN113845066A (en) | 2021-12-28 |
| CN113845066B true CN113845066B (en) | 2023-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010594293.6A Active CN113845066B (en) | 2020-06-28 | 2020-06-28 | Unpowered free lifting working platform |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5297434A (en) * | 1991-01-22 | 1994-03-29 | Stell Karl Wilhelm | Method of and apparatus for measuring workpieces |
| DE19534291A1 (en) * | 1995-09-15 | 1997-03-20 | Axel Dipl Ing Bitsch | Rail mounted shelving equipment for production line exchange |
| CN2832775Y (en) * | 2005-09-14 | 2006-11-01 | 湖州德马物流系统工程有限公司 | Anti-falling device for carrying platform of stacker crane |
| CN203295138U (en) * | 2013-03-19 | 2013-11-20 | 成都嘉泽正达科技有限公司 | Self-locking device for flexible guide rail |
| CN203922093U (en) * | 2014-06-10 | 2014-11-05 | 山西东杰智能物流装备股份有限公司 | Lane stacker loading platform falling proof device |
| CN209758971U (en) * | 2019-03-21 | 2019-12-10 | 中国建筑第二工程局有限公司 | Lifting anti-falling device for building construction |
-
2020
- 2020-06-28 CN CN202010594293.6A patent/CN113845066B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5297434A (en) * | 1991-01-22 | 1994-03-29 | Stell Karl Wilhelm | Method of and apparatus for measuring workpieces |
| DE19534291A1 (en) * | 1995-09-15 | 1997-03-20 | Axel Dipl Ing Bitsch | Rail mounted shelving equipment for production line exchange |
| CN2832775Y (en) * | 2005-09-14 | 2006-11-01 | 湖州德马物流系统工程有限公司 | Anti-falling device for carrying platform of stacker crane |
| CN203295138U (en) * | 2013-03-19 | 2013-11-20 | 成都嘉泽正达科技有限公司 | Self-locking device for flexible guide rail |
| CN203922093U (en) * | 2014-06-10 | 2014-11-05 | 山西东杰智能物流装备股份有限公司 | Lane stacker loading platform falling proof device |
| CN209758971U (en) * | 2019-03-21 | 2019-12-10 | 中国建筑第二工程局有限公司 | Lifting anti-falling device for building construction |
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| Publication number | Publication date |
|---|---|
| CN113845066A (en) | 2021-12-28 |
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