CN112850546B - Four-axis synchronous lifting mechanism with protection function - Google Patents
Four-axis synchronous lifting mechanism with protection function Download PDFInfo
- Publication number
- CN112850546B CN112850546B CN202011544461.7A CN202011544461A CN112850546B CN 112850546 B CN112850546 B CN 112850546B CN 202011544461 A CN202011544461 A CN 202011544461A CN 112850546 B CN112850546 B CN 112850546B
- Authority
- CN
- China
- Prior art keywords
- lifting
- seat
- support column
- hydraulic
- axis synchronous
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 38
- 230000007246 mechanism Effects 0.000 title claims abstract description 32
- 230000003028 elevating effect Effects 0.000 claims abstract description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 abstract description 5
- 230000007423 decrease Effects 0.000 abstract 1
- 230000000630 rising effect Effects 0.000 abstract 1
- 230000006870 function Effects 0.000 description 11
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
Classifications
-
- 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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/02—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars
- B66F7/025—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars screw operated
-
- 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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
Abstract
The application discloses a four-axis synchronous lifting mechanism with a protection function, which comprises 2 groups of synchronous lifting mechanisms, wherein the synchronous lifting mechanisms comprise a supporting structure, a power device, a lifting device and a hydraulic matching device, and the supporting structure comprises a base, a supporting column, a connecting beam and connecting ribs. This four-axis synchronous elevating system with protect function is provided with ball, and this four-axis synchronous elevating system passes through ball and controls the rising and the decline of lifting seat, through servo motor's control, can realize the displacement volume of high accuracy, and large-diameter ball realizes the heavy load moreover, improves this four-axis synchronous elevating system's lifting capacity, when servo motor takes place or ball breaks down, the hydraulic pressure station stops the oil feed, the hydraulic stem keeps motionless, the pulling force of hydro-cylinder reaches the equilibrium with the load dead weight on the lifting seat to make the lifting seat keep motionless, avoid causing the potential safety hazard because of the dead weight downslide.
Description
Technical Field
The application belongs to the technical field of synchronous lifting mechanisms, and particularly relates to a four-axis synchronous lifting mechanism with a protection function.
Background
The lifting mechanism is called a lifting table, and is lifting equipment for lifting people or goods to a certain height. When the vertical conveying is carried out in logistics systems such as factories and automatic warehouses, various plane conveying devices are often arranged on the lifting platform, and part of the plane conveying devices are hydraulically driven as connecting devices of conveying lines with different heights, so that the plane conveying devices are called as hydraulic lifting platforms. Besides being used for goods transportation at different heights, the lifting mechanism is widely applied to operations such as high-altitude installation and maintenance, and the main structure and principle of most of the existing lifting mechanisms are as follows: the motor speed reducer drives, realizes synchronous lift through synchronous pulley, but current elevating system has some shortcoming, and the precision of lift displacement volume is not very high, lacks safety protection's measure moreover, in case the hold-in range damages, and the mechanism extremely fast descends, will make the trouble greatly, and current elevating system's load weight can not be too big simultaneously.
Disclosure of Invention
Aiming at the problems in the prior art, the technical problem to be solved by the application is to provide a four-axis synchronous lifting mechanism with a protection function, so as to solve the problems of low lifting displacement accuracy, no safety protection measure and small load weight of the existing lifting mechanism.
In order to solve the technical problems, the application adopts the following technical scheme:
the utility model provides a four-axis synchronous elevating system with protect function, includes 2 synchronous elevating system of group, synchronous elevating system includes bearing structure, power device, hoisting device and hydraulic fit device, bearing structure includes base, support column, tie-beam and joint bar, bearing structure is provided with 2 bases, and the upper end of base is provided with the support column, and the top of support column is provided with the tie-beam, and the centre of support column is provided with the joint bar, the top of support column is provided with power device, and power device includes servo motor, gyro wheel, plate chain and roller frame, be provided with the gyro wheel on the roller frame, and be provided with the plate chain on the gyro wheel, hoisting device includes ball and lifting seat, ball's upper end is connected with servo motor, is provided with the lifting seat on the ball, hydraulic fit device includes hydro-cylinder pulling force seat, hydraulic stem and hydraulic station, the upper end and the plate chain of hydro-cylinder pulling seat are connected, and the lower extreme and the upper end of hydraulic stem of hydro-cylinder pulling seat are connected, and hydraulic stem are connected with external hydraulic station.
Further, base and support column and tie-beam and support column and tie-bar are fixed connection, and are provided with 2 backup pads on the base, and 2 backup pads cooperate with ball screw and hydraulic stem respectively.
Further, the connecting beam and the connecting ribs are provided with reinforcing ribs.
Further, the roller frame is fixedly connected with the support column, 2 shafts are arranged on the roller frame, and 2 rollers are uniformly arranged on each shaft.
Further, 1 plate link chain is commonly supported on each 2 corresponding rollers.
Further, the top of lifting seat is fixed connection with the plate link chain, and is provided with the screw hole on the lifting seat, and the lifting seat passes through the screw hole and cooperatees with ball.
Further, the lower end of the ball screw is connected with the base through a bearing.
Further, 2 sliding strips are arranged at the back of the oil cylinder tension seat, 2 sliding grooves are arranged on the side face of the support column, the sliding strips are matched with the sliding grooves, and the oil cylinder tension seat and the support column form a sliding structure through the sliding strips and the sliding grooves.
Further, the lower end of the oil cylinder tension seat is connected with the upper end of the hydraulic rod through a connecting rod.
Further, the upper end and the lower extreme of support column side all are provided with the stop block, and stop the one end of piece and all be provided with the rubber pad.
The beneficial effects are that: compared with the prior art, the application has the following advantages:
1. the four-axis synchronous lifting mechanism with the protection function is provided with the ball screw, the lifting seat is controlled to ascend and descend by the ball screw, the high-precision displacement can be realized by controlling the servo motor, the large load is realized by the large-diameter ball screw, and the lifting capacity of the four-axis synchronous lifting mechanism is improved;
2. the four-axis synchronous lifting mechanism with the protection function is provided with the hydraulic matching device, when a servo motor or a ball screw fails, the hydraulic station stops oil supply, the hydraulic rod keeps motionless, and the tension of the oil cylinder and the dead weight of the load on the lifting seat reach balance, so that the lifting seat keeps motionless, and potential safety hazards caused by the falling of the dead weight are avoided;
3. the four-axis synchronous lifting mechanism with the protection function is provided with the double-row heavy-duty plate chains, when one plate chain fails, the other plate chain can still ensure that the four axes of the lifting mechanism are synchronous and do not descend, the effect of double insurance is achieved, the safety is improved, and the potential safety hazard is reduced.
Drawings
FIG. 1 is a front view of a four-axis synchronous lifting mechanism with protection function;
FIG. 2 is a top view of a four-axis synchronous lifting mechanism with a protective function;
fig. 3 is a schematic structural diagram of a four-axis synchronous lifting mechanism with a protection function.
Detailed Description
The application is further described below with reference to the accompanying drawings.
As shown in fig. 1, 2 and 3, the four-axis synchronous lifting mechanism with the protection function comprises 2 groups of synchronous lifting mechanisms, wherein the synchronous lifting mechanisms comprise a supporting structure, a power device, a lifting device and a hydraulic matching device, the supporting structure comprises a base 1, support columns 2, a connecting beam 3 and connecting ribs 4, the supporting structure is provided with 2 bases 1, bolt holes are arranged on the bases 1, a user can tightly fix the bases 1 on the bottom surface or a place needing to work, the supporting force and the stability are improved, the support columns 2 are arranged at the upper ends of the bases 1, the connecting beams 2 are arranged at the top ends of the 2 support columns 2, the connecting ribs 4 are arranged in the middle of the 2 support columns 2, the connecting beams 2 and the connecting ribs 4 provide enough supporting force for the lifting structure, the structure can lift heavier objects, the power device is arranged at the top ends of the support columns 2, the power device comprises a servo motor 5, rollers 6, plate links 7 and a roller frame 8, wherein the roller frame 8 is provided with the rollers 6, the rollers 6 are provided with the plate links 7, the bottom of the roller frame 8 is fixedly connected with a supporting column 2, the connection strength and the supporting force are improved, the roller frame 8 is provided with 4 rollers 6 through 2 shafts, the 2 rollers 6 are arranged in a row, the rollers 6 in the row are matched with 1 plate link 7, the 4 rollers 6 are provided with 2 plate links 7, one end of the 2 plate links 7 is connected with a lifting seat 10, the other end is connected with an oil cylinder tension seat 11, 2 rollers can be arranged in the oil cylinder tension seat 11, the industry is directly fixed on the oil cylinder tension seat 11, the lifting device comprises a ball screw 9 and the lifting seat 10, the upper end of the ball screw 9 is connected with the servo motor 5, the servo motor 5 is connected with the supporting column 2, ensuring the stability of the servo motor 5, arranging a lifting seat 10 on the ball screw 9, driving the ball screw 9 to rotate by the servo motor 5 through the operation of a speed reducer, matching the lifting seat 10 with the ball screw 9 through a threaded hole, rotating the ball screw 9, enabling the lifting seat 10 to move up and down, ensuring the lifting seat to move up and down by the positive and negative motors, driving the ball screw 6 of the servo motor 5 to move, realizing the synchronous lifting of four shafts of the mechanism by matching with a PLC control technology, keeping higher displacement precision,
when the four shafts are in a static state, the PLC is internally coupled in the static state, and after the coupling is successful, a coupling success signal (representing that the four shafts are in a synchronous state) is sent out. After receiving the signals, the PLC sends forward and reverse signals according to user input to control the motor to rotate forward and reverse, thereby driving the screw rod to rotate, realizing lifting of the lifting seat, and controlling four-axis synchronous lifting of the mechanism by utilizing the prior PLC technology.
The hydraulic fit device comprises an oil cylinder tension seat 11, a hydraulic rod 12 and a hydraulic station 13, wherein the upper end of the oil cylinder tension seat 11 is connected with a plate chain 7, the lower end of the oil cylinder tension seat 11 is connected with the upper end of the hydraulic rod 12, the bottom end of the hydraulic rod 12 is connected with the base 1, the base 1 provides supporting force for the hydraulic rod 12, the hydraulic rod 12 is connected with the external hydraulic station 13, the hydraulic station 13 provides acting force for the hydraulic rod 12, when the servo motor 5 or the ball screw 9 breaks down, the hydraulic station 13 stops oil supply, the hydraulic rod 12 keeps motionless to balance the tension of the oil cylinder tension seat 11 and the load dead weight on the lifting seat 10, so that the lifting seat 10 keeps motionless and avoids potential safety hazards caused by dead weight sliding.
Base 1 and support column 2 and tie beam 3 and support column 2 and tie bar 4 are fixed connection, can make bolted connection, also can be other fixed connection's mode, fixed connection improves joint strength and stability, prevent to use for a long time and appear the broken damaged phenomenon, reduce the potential safety hazard, improve life, and be provided with 2 backup pads on base 1, and 2 backup pads cooperate with ball screw 9 and hydraulic stem 12 respectively, 2 backup pads cooperate for ball screw 9 and hydraulic stem 12 respectively and provide the holding power that makes, backup pad and ball screw 9 junction is provided with the bearing moreover, guarantee ball screw 9's normal rotation.
The connecting beam 3, the connecting ribs 4 and the supporting columns 2 are provided with reinforcing ribs, the strength of the connecting beam 3, the connecting ribs 4 and the supporting columns 2 can be greatly enhanced by the reinforcing ribs, stability is guaranteed, and the four-axis synchronous lifting mechanism can lift heavy objects and improve load capacity.
The roller frame 8 is fixedly connected with the support column 2, so that the connection strength and stability are improved, the roller frame 8 is guaranteed to have enough supporting force on the rollers 6,2 shafts are arranged on the roller frame 8, 2 rollers 6 are uniformly arranged on each shaft, and the 2 rollers 6 are arranged in a row.
Every 2 corresponding gyro wheels 6 are gone up and are supported 1 plate link chain 7 jointly, and the gyro wheel 6 of a row cooperates 1 plate link chain 7 altogether, and 4 gyro wheels 6 are provided with 2 plate link chains 7 altogether, and 2 plate link chain 7's one end is connected with lifting seat 10, and another section is connected with hydro-cylinder pulling force seat 11, and when one of them plate link chain 7 breaks down, another can still guarantee that elevating system's four-axis synchronization does not descend, reaches double insurance's effect, and the answer improves the security, reduces the potential safety hazard.
The top and the plate link chain 7 of lifting seat 10 are fixed connection, improve the strength of linking, lifting seat 10 prevents cracked phenomenon with plate link chain 7, and is provided with the screw hole on the lifting seat 10, and lifting seat 10 cooperatees with ball screw 9 through the screw hole, and servo motor 5 drives ball screw 9 through the speed reducer operation and rotates, and ball screw 9 rotates, and lifting seat 10 will reciprocate, and servo motor 5 is positive and negative motor, guarantees that lifting seat can reciprocate.
The lower extreme of ball 9 is connected with base 1 through the bearing, is provided with backup pad and ball 9 matched with on the base 1, is provided with the bearing in the backup pad simultaneously, guarantees ball 9's normal rotation.
The back of hydro-cylinder pulling force seat 11 is provided with 2 slide bars 111, and the side of support column 2 is provided with 2 and sliding tray 201, and slide bar 111 cooperatees with sliding tray 201, and hydro-cylinder pulling force seat 11 constitutes sliding structure through slide bar 111 and sliding tray 201 and support column 2, and when hydro-cylinder pulling force seat 11 rose and descends, all can receive the restriction of sliding tray 201, guarantees the operation of hydro-cylinder pulling force seat 11 standard, prevents that hydro-cylinder pulling force seat 11 from taking place the dislocation, influences the normal clear of work.
The lower end of the cylinder tension seat 11 is connected with the upper end of the hydraulic rod 12 through a connecting rod.
The upper end and the lower extreme of support column 2 side all are provided with the stop block 202, and the position of stop block 202 is the position correspondence of lifting seat 10, prevents that lifting seat 10 excessive motion from causing the potential safety hazard, and the one end of stop block 202 all is provided with the rubber pad, reduces friction, increases the buffering.
The application provides a concept and an implementation method of a four-axis synchronous lifting mechanism with a protection function, and the specific application ways are a plurality of preferred embodiments of the application, and it should be pointed out that a plurality of improvements can be made by those skilled in the art without departing from the principle of the application, and the improvements are also considered as the protection scope of the application.
Claims (4)
1. Four-axis synchronous lifting mechanism with protect function, its characterized in that: including 2 synchronous elevating system of group, synchronous elevating system includes bearing structure, power device, hoisting device and hydraulic fit device, bearing structure includes base (1), support column (2), tie-beam (3) and connecting rib (4), bearing structure is provided with 2 base (1), and the upper end of base (1) is provided with support column (2), the top of support column (2) is provided with tie-beam (3), the centre of support column (2) is provided with connecting rib (4), the top of support column (2) is provided with power device, and power device includes servo motor (5), gyro wheel (6), plate link (7) and roller frame (8), be provided with gyro wheel (6) on roller frame (8), and be provided with plate link (7) on gyro wheel (6), hoisting device includes ball screw (9) and lifting seat (10), the upper end and the servo motor (5) of ball screw (9) are connected, be provided with lifting seat (10) on ball screw (9), hydraulic fit device includes hydro-cylinder pulling force seat (11), pole (12) and the pulling force of hydraulic link (13) of hydro-cylinder (11) are connected with the pulling force seat (11) of hydro-cylinder (13), the hydraulic rod (12) is connected with an external hydraulic station (13);
the base (1) is fixedly connected with the support columns (2) and the support columns (2) as well as the connecting beams (3) and the support columns (2) and the connecting ribs (4), 2 support plates are arranged on the base (1), and the 2 support plates are respectively matched with the ball screw (9) and the hydraulic rod (12);
reinforcing ribs are arranged on the connecting beam (3) and the connecting ribs (4);
the roller frame (8) is fixedly connected with the support column (2), 2 shafts are arranged on the roller frame (8), and 2 rollers (6) are uniformly arranged on each shaft;
the back of the oil cylinder tension seat (11) is provided with 2 sliding strips (111), the side surface of the support column (2) is provided with 2 and a sliding groove (201), the sliding strips (111) are matched with the sliding groove (201), and the oil cylinder tension seat (11) and the support column (2) form a sliding structure through the sliding strips (111) and the sliding groove (201);
the lower end of the oil cylinder tension seat (11) is connected with the upper end of the hydraulic rod (12) through a connecting rod;
each 2 corresponding rollers (6) are commonly supported with 1 plate link chain (7).
2. The four-axis synchronous lifting mechanism with a protection function according to claim 1, wherein: the top end of the lifting seat (10) is fixedly connected with the plate link chain (7), a threaded hole is formed in the lifting seat (10), and the lifting seat (10) is matched with the ball screw (9) through the threaded hole.
3. The four-axis synchronous lifting mechanism with a protection function according to claim 2, wherein: the lower end of the ball screw (9) is connected with the base (1) through a bearing.
4. The four-axis synchronous lifting mechanism with a protection function according to claim 1, wherein: the upper end and the lower extreme of support column (2) side all are provided with stop piece (202), and stop piece (202) one end all is provided with the rubber pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011544461.7A CN112850546B (en) | 2020-12-23 | 2020-12-23 | Four-axis synchronous lifting mechanism with protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011544461.7A CN112850546B (en) | 2020-12-23 | 2020-12-23 | Four-axis synchronous lifting mechanism with protection function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112850546A CN112850546A (en) | 2021-05-28 |
| CN112850546B true CN112850546B (en) | 2023-12-08 |
Family
ID=75996521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011544461.7A Active CN112850546B (en) | 2020-12-23 | 2020-12-23 | Four-axis synchronous lifting mechanism with protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112850546B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110008487U (en) * | 2010-02-24 | 2011-08-31 | 주식회사 우제산업 | Lifter of stacking device of pouch band |
| CN103896183A (en) * | 2014-03-04 | 2014-07-02 | 唐山开元机器人系统有限公司 | Small-resistance anti-stall lifting device with vertical shaft needing to move vertically |
| CN204151017U (en) * | 2014-10-16 | 2015-02-11 | 安徽永成电子机械技术有限公司 | A kind of single driving 4 vertical lifting mechanisms |
| CN107161907A (en) * | 2017-06-23 | 2017-09-15 | 潍坊市华玉塑料机械有限公司 | Lowering or hoisting gear with hydraulic booster |
| CN206606977U (en) * | 2017-03-15 | 2017-11-03 | 孙久江 | A kind of hydraulic elevator |
| CN207142754U (en) * | 2017-09-14 | 2018-03-27 | 潍坊市裕洋塑料机械有限公司 | A kind of heavy workbench hydraulic pressure assist in synchronization lowering or hoisting gear |
| CN208341722U (en) * | 2018-04-17 | 2019-01-08 | 致恒(天津)实业有限公司 | A kind of lifting balance weight mechanism for keeping promoting the stress equalization that verts |
| CN110228767A (en) * | 2019-06-26 | 2019-09-13 | 中国空气动力研究与发展中心超高速空气动力研究所 | A kind of shock tunnel Model A terrestrial support device |
| CN209532697U (en) * | 2018-01-24 | 2019-10-25 | 滕州博信机床有限公司 | A kind of vertical vehicle Z-direction feed mechanism |
| CN110482434A (en) * | 2019-08-22 | 2019-11-22 | 格力电器（郑州）有限公司 | A kind of lifting device |
-
2020
- 2020-12-23 CN CN202011544461.7A patent/CN112850546B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110008487U (en) * | 2010-02-24 | 2011-08-31 | 주식회사 우제산업 | Lifter of stacking device of pouch band |
| CN103896183A (en) * | 2014-03-04 | 2014-07-02 | 唐山开元机器人系统有限公司 | Small-resistance anti-stall lifting device with vertical shaft needing to move vertically |
| CN204151017U (en) * | 2014-10-16 | 2015-02-11 | 安徽永成电子机械技术有限公司 | A kind of single driving 4 vertical lifting mechanisms |
| CN206606977U (en) * | 2017-03-15 | 2017-11-03 | 孙久江 | A kind of hydraulic elevator |
| CN107161907A (en) * | 2017-06-23 | 2017-09-15 | 潍坊市华玉塑料机械有限公司 | Lowering or hoisting gear with hydraulic booster |
| CN207142754U (en) * | 2017-09-14 | 2018-03-27 | 潍坊市裕洋塑料机械有限公司 | A kind of heavy workbench hydraulic pressure assist in synchronization lowering or hoisting gear |
| CN209532697U (en) * | 2018-01-24 | 2019-10-25 | 滕州博信机床有限公司 | A kind of vertical vehicle Z-direction feed mechanism |
| CN208341722U (en) * | 2018-04-17 | 2019-01-08 | 致恒(天津)实业有限公司 | A kind of lifting balance weight mechanism for keeping promoting the stress equalization that verts |
| CN110228767A (en) * | 2019-06-26 | 2019-09-13 | 中国空气动力研究与发展中心超高速空气动力研究所 | A kind of shock tunnel Model A terrestrial support device |
| CN110482434A (en) * | 2019-08-22 | 2019-11-22 | 格力电器（郑州）有限公司 | A kind of lifting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112850546A (en) | 2021-05-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203095520U (en) | Guide rail type hydraulic lifting platform | |
| CN203229195U (en) | Roller table device | |
| CN211812921U (en) | Fixed hydraulic guide rail lift goods lift | |
| CN212197053U (en) | Stereoscopic warehouse tunnel stacker | |
| CN201501762U (en) | Wedge-shape guide rail device for lifting platform | |
| CN209276082U (en) | A kind of Mobile hydraulic elevating platform | |
| CN112850546B (en) | Four-axis synchronous lifting mechanism with protection function | |
| CN210593658U (en) | Stacker convenient to adjust | |
| CN202369333U (en) | Wall mounting elevator | |
| CN110789894A (en) | Stacker with high bearing capacity and transportation method | |
| CN207108405U (en) | Portable light-duty jacking apparatus | |
| CN116675140B (en) | Concrete prefabricated component lifts and aligns installation device | |
| CN207121374U (en) | A kind of four post lifts of single driving pair of chain drive | |
| CN110902563A (en) | Sheet segment turning system and sheet segment turning method | |
| CN203188124U (en) | Automatic pushing system for modularized steel braced girder | |
| CN210499074U (en) | Concave bottom lifting type roller device | |
| CN110902620A (en) | Turning equipment and turning method for thin plate segmentation | |
| CN210340263U (en) | Turnover equipment with controllable turnover speed | |
| CN219546604U (en) | Servo drive elevator | |
| CN220223433U (en) | Synchronous weight lifting platform | |
| CN217650820U (en) | Novel electric elevator | |
| CN110806750A (en) | Automatic transfer system suitable for subway vehicle train inspection robot | |
| CN215886102U (en) | Slide rail reverse hoisting device | |
| CN220684559U (en) | Roller type jacking mobile device | |
| CN110480194A (en) | A kind of laser cutting machine hydraulic platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |