CN108708614B - High communication iron tower that has anti-climb function of stability - Google Patents
High communication iron tower that has anti-climb function of stability Download PDFInfo
- Publication number
- CN108708614B CN108708614B CN201810321233.XA CN201810321233A CN108708614B CN 108708614 B CN108708614 B CN 108708614B CN 201810321233 A CN201810321233 A CN 201810321233A CN 108708614 B CN108708614 B CN 108708614B
- Authority
- CN
- China
- Prior art keywords
- box
- protection
- worm
- stabilizing
- tower
- 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
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/02—Structures made of specified materials
- E04H12/08—Structures made of specified materials of metal
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/18—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures movable or with movable sections, e.g. rotatable or telescopic
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Vibration Prevention Devices (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention relates to a high-stability communication iron tower with an anti-climbing function, which comprises a tower body and a platform, wherein a driving box, a stabilizing mechanism and a protection box are arranged in the tower body, the protection box is internally provided with the protection mechanism, the stabilizing mechanism comprises a lifting unit, a stabilizing box and two limiting units, the lifting unit comprises a screw rod and a nut, the protection mechanism comprises a first motor, a first protection unit and a second protection unit, the first protection unit comprises a first worm and two moving assemblies, the second protection unit comprises a second worm and two telescopic assemblies, the communication iron tower with high stability and the anti-climbing function has higher stability through the stabilizing mechanism, is not easy to incline or even collapse due to larger wind speed, and not only through the protecting mechanism, this communication tower can avoid people to climb on the iron tower for people are stranded on communication tower or cause the probability that people fall from the iron tower to reduce.
Description
Technical Field
The invention relates to the field of communication iron tower base stations, in particular to a communication iron tower with high stability and an anti-climbing function.
Background
The communication iron tower is composed of tower body, platform, lightning rod, ladder stand, antenna support and other steel components, and is subjected to hot galvanizing and anticorrosive treatment, and is mainly used for transmission and emission of microwave, ultrashort wave and wireless network signals.
However, the existing communication iron tower cannot avoid people from climbing the iron tower, so that people are trapped on the communication iron tower or fall from the iron tower, and the existing communication iron tower is poor in stability and easy to incline or even collapse when the wind speed is high.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the communication iron tower with the anti-climbing function is high in stability.
The technical scheme adopted by the invention for solving the technical problems is as follows: a communication iron tower with high stability and a protection function comprises a tower body and a platform, wherein the platform is fixed at the top end of the tower body, a driving box, a stabilizing mechanism and a protection box are arranged in the tower body, the driving box is arranged below the platform, the stabilizing mechanism is arranged below the driving box, the protection box is arranged below the stabilizing mechanism, the bottom end of the driving box is connected with the stabilizing mechanism, the top end of the protection box is connected with the stabilizing mechanism, a second motor is arranged in the driving box, the second motor is in transmission connection with the stabilizing mechanism, and a protection mechanism is arranged in the protection box;
the stabilizing mechanism comprises a lifting unit, a stabilizing box and two limiting units, wherein the lifting unit is connected with the stabilizing box, the two limiting units are respectively arranged at two sides of the stabilizing box, a sliding rod, a sliding block and at least two rolling units are arranged in the stabilizing box, a through hole is formed in the sliding block, the sliding block is sleeved on the sliding rod, and the rolling units are uniformly distributed below the sliding block;
the lifting unit comprises a screw rod and a nut, the second motor is in transmission connection with the screw rod, the nut is sleeved on the screw rod, and the nut is fixedly connected with the stabilizing box;
the protection mechanism comprises a first motor, a first protection unit and a second protection unit, and the first motor is in transmission connection with the first protection unit and the second protection unit;
the first protection unit comprises a first worm and two moving assemblies, the first motor is in transmission connection with the first worm, the two moving assemblies are horizontally arranged, and the two moving assemblies are connected with the first worm;
the moving assembly comprises a first gear, a first rack and a first baffle plate, the first gear is matched with the first worm, the first rack is meshed with the first gear, and the first baffle plate is fixed on one end of the first rack;
the second protection unit comprises a second worm and two telescopic assemblies, the second worm and the first worm are coaxially arranged, the second worm is fixedly connected with the first worm, the two telescopic assemblies are vertically arranged, and the two telescopic assemblies are connected with the second worm;
the telescopic assembly comprises a second gear, a second rack and a second baffle, the second gear is matched with the second worm, the second rack is meshed with the second gear, and the second baffle is fixed to one end of the second rack.
As preferred, in order to avoid influencing the normal work of stabilizing mean because of stabilizing the slope of case, spacing unit includes dead lever and two position sleeves, the vertical setting of dead lever, the both ends of dead lever respectively with drive case and guard box fixed connection, two position sleeves all overlap and establish on the dead lever, and two position sleeves are fixed respectively on the top and the bottom of one side of stabilizing the case.
Preferably, in order to facilitate the sliding of the sliding block, a plurality of pulleys are arranged on the inner wall of the through hole, and the pulleys are connected with the sliding rod in a rolling manner.
Preferably, in order to facilitate the sliding of the sliding block, the rolling unit includes a supporting rod and a roller, the top end of the supporting rod is fixed below the sliding block, and the roller is disposed in the bottom end of the supporting rod.
Preferably, in order to avoid the sliding block from being damaged by collision with the inner wall of the stabilization box, both sides of the sliding block are provided with buffer pads.
Preferably, in order to make the sliding block return to the middle part of the stabilizing box, springs are arranged on two sides of the sliding block, one end of each spring is fixedly connected with the sliding block, the other end of each spring is fixedly connected with the inner wall of the stabilizing box, and each spring is in a stretching state.
Preferably, in order to avoid the influence on the normal operation of the lifting unit due to the inclination of the screw rod, a bearing seat is arranged at the top end of the screw rod, a bearing is arranged in the bearing seat, the inner wall of the bearing is fixedly connected with the screw rod, and the outer wall of the bearing is fixedly connected with the bearing seat.
Preferably, in order to prolong the service life of the first motor and the second motor, the first motor and the second motor are both servo motors.
Preferably, in order to avoid injury of people caused by collision with the first baffle and the second baffle, rubber protection blocks are arranged on the first baffle and the second baffle.
Preferably, in order to prevent the stabilizer box from being damaged due to collision with the protection box, a rubber protection pad is provided at the bottom end of the stabilizer box.
The communication iron tower with the anti-climbing function has the advantages that the communication iron tower with high stability has high stability through the stabilizing mechanism, is not easy to incline or even collapse due to high wind speed, can be kept stable in a larger wind speed range through the stabilizing mechanism compared with the traditional stabilizing mechanism, has better anti-wind and stabilizing effects, can be prevented from climbing onto the iron tower by the protection mechanism, reduces the probability that people are trapped on the communication iron tower or fall from the iron tower, has larger shielding range and better anti-climbing effect compared with the traditional protection mechanism.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural diagram of a communication iron tower with anti-climbing function and high stability according to the present invention;
fig. 2 is a schematic structural diagram of a high-stability communication iron tower protection mechanism with an anti-climbing function according to the present invention;
fig. 3 is a schematic structural diagram of the stabilizing mechanism of the communication iron tower with high stability and the anti-climbing function of the invention;
fig. 4 is a schematic view of the connection structure of the sliding rod, the sliding block and the rolling unit of the communication tower with high stability and anti-climbing function of the present invention;
in the figure: 1. the tower body, 2, a platform, 3, a driving box, 4, a protection box, 5, a first baffle, 6, a second baffle, 7, a first motor, 8, a first worm, 9, a first gear, 10, a first rack, 11, a second worm, 12, a second gear, 13, a second rack, 14, a second motor, 15, a screw rod, 16, a nut, 17, a stabilizing box, 18, a positioning sleeve, 19, a fixing rod, 20, a sliding block, 21, a through hole, 22, a pulley, 23, a sliding rod, 24, a supporting rod, 25, a roller, 26, a buffer pad and 27 springs.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, a communication iron tower with high stability and a protection function comprises a tower body 1 and a platform 2, wherein the platform 2 is fixed at the top end of the tower body 1, a driving box 3, a stabilizing mechanism and a protection box 4 are arranged in the tower body 1, the driving box 3 is arranged below the platform 2, the stabilizing mechanism is arranged below the driving box 3, the protection box 4 is arranged below the stabilizing mechanism, the bottom end of the driving box 3 is connected with the stabilizing mechanism, the top end of the protection box 4 is connected with the stabilizing mechanism, a second motor 14 is arranged in the driving box 3, the second motor 14 is in transmission connection with the stabilizing mechanism, and a protection mechanism is arranged in the protection box 4;
as shown in fig. 3, the stabilizing mechanism includes a lifting unit, a stabilizing box 17 and two limiting units, the lifting unit is connected with the stabilizing box 17, the two limiting units are respectively disposed at two sides of the stabilizing box 17, a sliding rod 23, a sliding block 20 and at least two rolling units are disposed in the stabilizing box 17, a through hole 21 is disposed in the sliding block 20, the sliding block 20 is sleeved on the sliding rod 23, and the rolling units are uniformly distributed below the sliding block 20;
the lifting unit comprises a screw rod 15 and a nut 16, the second motor 14 is in transmission connection with the screw rod 15, the nut 16 is sleeved on the screw rod 15, and the nut 16 is fixedly connected with the stabilizing box 17;
firstly, when the wind starts, the second motor 7 drives the screw rod 15 to rotate, the nut 16 is driven to move downwards, the stabilizing box 17 is driven to move downwards, the gravity center of the communication iron tower moves downwards, the stability of the communication iron tower is better, and then when the wind speed is too high and the communication iron tower shakes, the sliding block 20 moves towards the opposite direction of the shaking of the communication iron tower due to inertia, so that the shaking range of the gravity center of the communication iron tower is reduced, the shaking range of the communication iron tower is reduced, and the communication iron tower is prevented from collapsing.
As shown in fig. 2, the protection mechanism includes a first motor 7, a first protection unit and a second protection unit, and the first motor 7 is in transmission connection with the first protection unit and the second protection unit;
the first protection unit comprises a first worm 8 and two moving assemblies, the first motor 7 is in transmission connection with the first worm 8, the two moving assemblies are horizontally arranged, and the two moving assemblies are connected with the first worm 8;
the moving assembly comprises a first gear 9, a first rack 10 and a first baffle 5, the first gear 9 is matched with the first worm 8, the first rack 10 is meshed with the first gear 9, and the first baffle 5 is fixed on one end of the first rack 10;
the second protection unit comprises a second worm 11 and two telescopic assemblies, the second worm 11 and the first worm 8 are coaxially arranged, the second worm 11 is fixedly connected with the first worm 8, the two telescopic assemblies are vertically arranged, and the two telescopic assemblies are connected with the second worm 11;
the telescopic assembly comprises a second gear 12, a second rack 13 and a second baffle 6, the second gear 12 is matched with the second worm 11, the second rack 13 is meshed with the second gear 12, and the second baffle 6 is fixed at one end of the second rack 13.
The first motor 7 drives the first worm 8 and the second worm 11 to rotate, drives the two first gears 9 and the two second gears 12 to rotate, and enables the two first racks 10 and the two second racks 13 to extend out, so that the two first baffles 5 and the two second baffles 6 extend out of the protection box 4, and people are prevented from climbing the communication iron tower.
Preferably, in order to avoid influencing the normal operation of the stabilizing mechanism due to the inclination of the stabilizing box 17, the limiting unit comprises a fixing rod 19 and two positioning sleeves 18, the fixing rod 19 is vertically arranged, two ends of the fixing rod 19 are respectively and fixedly connected with the driving box 3 and the protection box 4, the two positioning sleeves 18 are all sleeved on the fixing rod 19, and the two positioning sleeves 18 are respectively fixed at the top end and the bottom end of one side of the stabilizing box 17. The fixing rod 19 and the two positioning sleeves 18 can keep the stability box 17 balanced when being lifted, thereby avoiding the influence on the normal work of the stability mechanism caused by the inclination of the stability box 17.
Preferably, in order to facilitate the sliding of the sliding block 20, a plurality of pulleys 22 are disposed on the inner wall of the through hole 21, and the pulleys 22 are connected with the sliding rod 23 in a rolling manner. The pulley 22 changes the sliding friction between the slide block 20 and the through hole 21 into rolling friction, reducing the friction force, thereby facilitating the slide block 20 to slide.
As shown in fig. 4, the rolling unit includes a support rod 24 and a roller 25, a top end of the support rod 24 is fixed below the slide block 20, and the roller 25 is disposed in a bottom end of the support rod 24. Support rods 24 and rollers 25 support sliding block 20, reduce the pressure of sliding block 20 on sliding rod 23, and reduce the friction between sliding block 20 and sliding rod 23, thereby facilitating sliding of sliding block 20.
Preferably, in order to avoid the sliding block 20 from being damaged by collision with the inner wall of the stabilization box 17, both sides of the sliding block 20 are provided with cushions 26.
Preferably, in order to return the sliding block 20 to the middle of the stabilizing box 17, springs 27 are disposed on both sides of the sliding block 20, one end of each spring 27 is fixedly connected to the sliding block 20, the other end of each spring 27 is fixedly connected to the inner wall of the stabilizing box 17, and the springs 27 are in a stretching state.
Preferably, in order to avoid the influence on the normal operation of the lifting unit due to the inclination of the screw rod 15, a bearing seat is arranged at the top end of the screw rod 15, a bearing is arranged in the bearing seat, the inner wall of the bearing is fixedly connected with the screw rod 15, and the outer wall of the bearing is fixedly connected with the bearing seat.
Preferably, in order to prolong the service life of the first motor 7 and the second motor 14, the first motor 7 and the second motor 14 are both servo motors.
Preferably, in order to avoid injury caused by collision of people with the first baffle 5 and the second baffle 6, rubber protection blocks are arranged on the first baffle 5 and the second baffle 6.
Preferably, in order to prevent the stabilizer box 17 from being damaged due to collision with the protection box 4, a rubber protection pad is provided at the bottom end of the stabilizer box 17.
The working principle of the communication iron tower with the anti-climbing function and high stability is as follows: when the stabilizing mechanism operates, firstly, when wind blows, the second motor 7 drives the lifting unit to work, the stabilizing box 17 is enabled to move downwards, the gravity center of the communication iron tower moves downwards, the stability of the communication iron tower is enabled to be better, then, when the wind speed is too high and the communication iron tower shakes, the sliding block 20 can move towards the opposite direction of the shaking of the communication iron tower due to inertia, the shaking range of the gravity center of the communication iron tower is enabled to be reduced, the shaking range of the communication iron tower is reduced, the communication iron tower is prevented from collapsing, in addition, when the protecting mechanism operates, the first motor 7 drives the first worm 8 and the second worm 11 to rotate, the two moving assemblies and the two telescopic assemblies are driven to work, the two first baffles 5 and the two second baffles 6 extend out of the protecting box 4, and people are prevented from climbing the communication iron tower.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The communication iron tower with the anti-climbing function and high stability comprises a tower body (1) and a platform (2), wherein the platform (2) is fixed at the top end of the tower body (1), and is characterized in that a driving box (3), a stabilizing mechanism and a protection box (4) are arranged in the tower body (1), the driving box (3) is arranged below the platform (2), the stabilizing mechanism is arranged below the driving box (3), the protection box (4) is arranged below the stabilizing mechanism, the bottom end of the driving box (3) is connected with the stabilizing mechanism, the top end of the protection box (4) is connected with the stabilizing mechanism, a second motor (14) is arranged in the driving box (3), the second motor (14) is in transmission connection with the stabilizing mechanism, and the protection mechanism is arranged in the protection box (4);
the stabilizing mechanism comprises a lifting unit, a stabilizing box (17) and two limiting units, the lifting unit is connected with the stabilizing box (17), the two limiting units are respectively arranged on two sides of the stabilizing box (17), a sliding rod (23), a sliding block (20) and at least two rolling units are arranged in the stabilizing box (17), a through hole (21) is formed in the sliding block (20), the sliding block (20) is sleeved on the sliding rod (23), and the rolling units are uniformly distributed below the sliding block (20);
the lifting unit comprises a screw rod (15) and a nut (16), the second motor (14) is in transmission connection with the screw rod (15), the nut (16) is sleeved on the screw rod (15), and the nut (16) is fixedly connected with the stabilizing box (17);
the protection mechanism comprises a first motor (7), a first protection unit and a second protection unit, wherein the first motor (7) is in transmission connection with the first protection unit and the second protection unit;
the first protection unit comprises a first worm (8) and two moving assemblies, the first motor (7) is in transmission connection with the first worm (8), the two moving assemblies are horizontally arranged, and the two moving assemblies are connected with the first worm (8);
the moving assembly comprises a first gear (9), a first rack (10) and a first baffle plate (5), the first gear (9) is matched with the first worm (8), the first rack (10) is meshed with the first gear (9), and the first baffle plate (5) is fixed on one end of the first rack (10);
the second protection unit comprises a second worm (11) and two telescopic assemblies, the second worm (11) and the first worm (8) are coaxially arranged, the second worm (11) is fixedly connected with the first worm (8), the two telescopic assemblies are vertically arranged, and the two telescopic assemblies are connected with the second worm (11);
the telescopic assembly comprises a second gear (12), a second rack (13) and a second baffle (6), the second gear (12) is matched with a second worm (11), the second rack (13) is meshed with the second gear (12), and the second baffle (6) is fixed to one end of the second rack (13).
2. The communication iron tower with the anti-climbing function and the high stability according to claim 1, wherein the limiting unit comprises a fixing rod (19) and two positioning sleeves (18), the fixing rod (19) is vertically arranged, two ends of the fixing rod (19) are respectively and fixedly connected with the driving box (3) and the protection box (4), the two positioning sleeves (18) are respectively sleeved on the fixing rod (19), and the two positioning sleeves (18) are respectively fixed at the top end and the bottom end of one side of the stabilizing box (17).
3. The tower with anti-climbing function according to claim 1, wherein the inner wall of the through hole (21) is provided with a plurality of pulleys (22), and the pulleys (22) are connected with the sliding rod (23) in a rolling manner.
4. The tower with anti-climb function according to claim 1, wherein the rolling unit comprises a support rod (24) and a roller (25), the top end of the support rod (24) is fixed below the sliding block (20), and the roller (25) is disposed in the bottom end of the support rod (24).
5. The tower with anti-climb function in claim 1, wherein the sliding blocks (20) are provided with buffer pads (26) on both sides.
6. The communication tower with the anti-climbing function and the high stability according to claim 1, wherein the sliding block (20) is provided with springs (27) on both sides, one end of each spring (27) is fixedly connected with the sliding block (20), the other end of each spring (27) is fixedly connected with the inner wall of the stabilizing box (17), and the springs (27) are in a stretching state.
7. The communication iron tower with the anti-climbing function and the high stability according to claim 1, characterized in that a bearing seat is arranged at the top end of the screw rod (15), a bearing is arranged in the bearing seat, the inner wall of the bearing is fixedly connected with the screw rod (15), and the outer wall of the bearing is fixedly connected with the bearing seat.
8. The communication tower with the anti-climbing function and high stability according to claim 1, wherein the first motor (7) and the second motor (14) are both servo motors.
9. The communication tower with the anti-climbing function and the high stability according to claim 1, wherein the first baffle plate (5) and the second baffle plate (6) are both provided with rubber protection blocks.
10. The tower with high stability and anti-climbing function as claimed in claim 1, wherein the bottom end of the stabilizing box (17) is provided with a rubber protective pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810321233.XA CN108708614B (en) | 2018-04-11 | 2018-04-11 | High communication iron tower that has anti-climb function of stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810321233.XA CN108708614B (en) | 2018-04-11 | 2018-04-11 | High communication iron tower that has anti-climb function of stability |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108708614A CN108708614A (en) | 2018-10-26 |
| CN108708614B true CN108708614B (en) | 2020-04-28 |
Family
ID=63866662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810321233.XA Active CN108708614B (en) | 2018-04-11 | 2018-04-11 | High communication iron tower that has anti-climb function of stability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108708614B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011127935A1 (en) * | 2010-04-12 | 2011-10-20 | Conelto Aps | Lifting equipment and method for using such a lifting equipment |
| CN206267616U (en) * | 2016-08-11 | 2017-06-20 | 河北智恒达塔业有限公司 | A kind of mobile collapsible anemometer tower |
| CN206903341U (en) * | 2017-03-03 | 2018-01-19 | 上海国动网络通信有限公司 | A kind of communication steel tower for improving capability of anti-wind |
| CN206646898U (en) * | 2017-04-10 | 2017-11-17 | 上海勤电信息科技有限公司 | A kind of convenient maintenance and the communication steel tower for improving wind-proof performance |
| CN107013078B (en) * | 2017-05-23 | 2019-07-05 | 广东新会罗坑电力线路器材有限公司 | A kind of wind-proof communication steel tower |
-
2018
- 2018-04-11 CN CN201810321233.XA patent/CN108708614B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108708614A (en) | 2018-10-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209226446U (en) | A kind of safe high-speed rail construction material lifting device | |
| CN108005456A (en) | A kind of safety-type communication steel tower with lightning rod safeguard function | |
| CN204434134U (en) | The crane machine of liftable and rotation driver's cab | |
| CN111153358B (en) | Installation device for building electrical construction | |
| CN108824935B (en) | Stable form communication tower | |
| CN211974248U (en) | Elevator shaft overhauls extension ladder for platform | |
| CN108708614B (en) | High communication iron tower that has anti-climb function of stability | |
| CN215564660U (en) | Safe anti-falling device for building construction | |
| CN214498437U (en) | Over-and-under type construction platform of unloading for building | |
| CN102615407B (en) | Lift platform with moving wings | |
| CN107499877A (en) | A kind of lift Fan Wang mechanisms | |
| CN111937853A (en) | Bird repellent device for power equipment | |
| CN207174808U (en) | One kind is liftable to turn over net device | |
| CN112413280A (en) | Chassis structure of walking robot in pipeline | |
| CN212101833U (en) | Lifter for building | |
| CN215326799U (en) | Lifting device for illumination construction | |
| CN113153230B (en) | Belt type oil pumping machine moving device | |
| KR101075827B1 (en) | Multi stage without pitching | |
| CN105804475B (en) | A kind of steel tower for ultra-high-tension power transmission line | |
| CN113929031A (en) | Mine lifting device with high safety performance | |
| CN211790359U (en) | Installation tool for distribution cabinet door | |
| CN209956987U (en) | Loading conveying workbench with lifting system | |
| JP2011225317A (en) | Conveying device | |
| CN219078975U (en) | Elevating platform with shock-absorbing function | |
| CN220033906U (en) | Conveying line lifter |
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 |