CN107777620A - A kind of communication equipment installation servicing unit - Google Patents
A kind of communication equipment installation servicing unit Download PDFInfo
- Publication number
- CN107777620A CN107777620A CN201711117704.7A CN201711117704A CN107777620A CN 107777620 A CN107777620 A CN 107777620A CN 201711117704 A CN201711117704 A CN 201711117704A CN 107777620 A CN107777620 A CN 107777620A
- Authority
- CN
- China
- Prior art keywords
- communication equipment
- bottom plate
- output end
- lifting motor
- double
- 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.)
- Pending
Links
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
- B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
- B66F7/12—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by mechanical jacks
-
- 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
-
- 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 invention discloses a kind of communication equipment installation servicing unit, including bottom plate, the top movable of the bottom plate is connected with communication equipment body, the both sides of the bottom plate are welded with elevating lever, side of the elevating lever away from communication equipment body has been bolted lifting motor, and the output end of the lifting motor through elevating lever and extends to the inside of elevating lever；The output end of the lifting motor is rotatably connected to driving-chain, and driven pulley is rotatably connected at the top of the elevating lever inwall, and the output end of the lifting motor is connected by driving-chain and driven pulley.The cooperation that the communication equipment installation servicing unit passes through lifting motor, support bar, the first double-shaft tilt angle sensor, gag lever post, the second double-shaft tilt angle sensor, control cabinet, alarm, electric expansion bar and supporting plate, solve and easily occur phenomena such as rolling, slide and sliding in existing servicing unit hoisting process, the problem of huge potential safety hazard be present.
Description
Technical field
The present invention relates to communication equipment I＆M technical field, specially a kind of communication equipment installation auxiliary dress
Put.
Background technology
Communication equipment is used for the wire communication equipment and wireless telecommunications system of industry control environment.Wire communication equipment is mainly introduced
Solve the serial communication of industry spot, the communication of professional bus-type, between the communication of EPA and various communications protocol
Conversion equipment.Wireless telecommunications system is mainly wireless aps, wireless bridge, wireless network card, wireless lightning arrester, the equipment such as antenna.
When communication equipment is installed out of doors, it is generally located in communication box, then communication box is fixedly mounted on to the position of needs
Put, when the position of communication box installation is higher, it is necessary to manually carry, waste time and energy, a kind of communication that can solve this problem
Equipment installation needs further to research and develop with servicing unit, is proposed in Chinese invention CN205312989U a kind of logical
Believe equipment installation servicing unit, the invention makes the lifting operation of communication equipment more convenient, but the invention is in hoisting process
Communication equipment is clamped by frictional force, easily occurs sliding phenomenon, and is lifted easily using single armed and occurs rolling phenomenon,
Assembling car body can not be fixed in hoisting process for the invention, easily slide, in summary, the invention is in hoisting process
Easily there is phenomena such as rolling, slide and sliding, huge potential safety hazard be present, therefore, it is proposed that a kind of communication equipment is pacified
Dress servicing unit.
The content of the invention
It is an object of the invention to provide a kind of communication equipment installation servicing unit, it is good to possess security, installation effect
The advantages of rate is high, solves and easily occur phenomena such as rolling, slide and sliding in existing servicing unit hoisting process, exist huge
The problem of potential safety hazard.
To achieve the above object, the present invention provides following technical scheme：A kind of communication equipment installation servicing unit, including
Bottom plate, the top movable of the bottom plate are connected with communication equipment body, and the both sides of the bottom plate are welded with elevating lever, the liter
Side of the drop bar away from communication equipment body has been bolted lifting motor, and the output end of the lifting motor is through lifting
Bar and the inside for extending to elevating lever；
The output end of the lifting motor is rotatably connected to driving-chain, is rotatably connected at the top of the elevating lever inwall driven
Wheel, the output end of the lifting motor are connected by driving-chain and driven pulley, and the surface of the driving-chain is fixedly connected with
Support bar, the communication equipment body are movably connected in the top of support bar, and the bottom of the support bar has been bolted
First double-shaft tilt angle sensor, the surface of the support bar and is slidably connected limited location positioned at the both sides of communication equipment body
Bar, the bottom of the bottom plate have been bolted the second double-shaft tilt angle sensor, the bottom of the bottom plate and positioned at second pair
It has been bolted control cabinet on the right side of axial rake sensor, the bottom of the bottom plate and has been located at the second double-shaft tilt angle sensor
The bolt connection that passes on left have an alarm, the position of the top of the bottom plate and corresponding support bar offers standing groove, described
The bottom of elevating lever is fixedly connected with electric expansion bar, and the bottom of the electric expansion bar is welded with supporting plate；
The input of the control cabinet respectively with the first double-shaft tilt angle sensor and the output end list of the second double-shaft tilt angle sensor
Electrotropism connects, and the output end of the control cabinet is unidirectionally electric with the input of lifting motor, alarm and electric expansion bar respectively
Property connection.
Preferably, the side of the support bar bottom is fixedly connected with laser range finder, the output of the laser range finder
The input with control cabinet is held unidirectionally to be electrically connected with.
Preferably, the bottom of the standing groove and position of corresponding laser range finder is fixedly connected with laser receiver board, institute
State the output end of laser receiver board and the input of control cabinet is unidirectionally electrically connected with.
Preferably, the top of the support bar and position of corresponding communication equipment body is fixedly connected with pressure sensor,
The output end of the pressure sensor and the input of control cabinet are unidirectionally electrically connected with.
Preferably, buffer zone, the lower rotation connection of the bottom plate are fixedly connected between the gag lever post and gag lever post
There is universal wheel.
Compared with prior art, beneficial effects of the present invention are as follows：
1st, the present invention is by the way that there is provided lifting motor, lifting motor is by driving driving-chain to rotate, so as to drive support bar to lift,
Support bar drives the lifting of communication equipment body, by there is provided gag lever post, ensure that steady in communication equipment body lifting process
It is qualitative, by that there is provided the first double-shaft tilt angle sensor, can detect whether communication equipment body tilt phenomenon occurs, by setting
The second double-shaft tilt angle sensor has been put, can detect whether bottom plate tilt phenomenon occurs, when bottom plate or communication equipment body tilt
When, alarm sounds staff is sent by alarm and is adjusted, security incident is avoided the occurrence of, by the way that there is provided electric expansion
Bar and supporting plate, preferable supporting role can be played, by lifting motor, support bar, the first double-shaft tilt angle sensor, spacing
The cooperation of bar, the second double-shaft tilt angle sensor, control cabinet, alarm, electric expansion bar and supporting plate, solves existing auxiliary dress
Put and easily occur phenomena such as rolling, slide and sliding in hoisting process, the problem of huge potential safety hazard be present.
2nd, the present invention is by that there is provided laser range finder and laser receiver board, can detect the height of supporting plate opposed bottom
Degree, so as to detect the height of communication equipment body rising, by the way that there is provided pressure sensor, communication equipment body can be detected
Weight, by there is provided buffer zone, serving certain protective action, the stability of communication equipment body being ensure that, by setting
Universal wheel has been put, has facilitated user's auxiliary device for moving.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is top view of the present invention；
Fig. 3 is present system schematic diagram.
In figure：1 bottom plate, 2 communication equipment bodies, 3 elevating levers, 4 lifting motors, 5 driving-chains, 6 driven pulleys, 7 support bars, 8
First double-shaft tilt angle sensor, 9 gag lever posts, 10 second double-shaft tilt angle sensors, 11 control cabinets, 12 alarms, 13 standing grooves, 14
Electric expansion bar, 15 supporting plates, 16 laser range finders, 17 laser receiver boards, 18 pressure sensors, 19 buffer zones, 20 universal wheels.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Refer to Fig. 1-3, a kind of communication equipment installation servicing unit, including bottom plate 1, the top movable connection of bottom plate 1
There is communication equipment body 2, the both sides of bottom plate 1 are welded with elevating lever 3, and side of the elevating lever 3 away from communication equipment body 2 passes through
Bolt connection has lifting motor 4, and the output end of lifting motor 4 through elevating lever 3 and extends to the inside of elevating lever 3；
The output end of lifting motor 4 is rotatably connected to driving-chain 5, and driven pulley 6 is rotatably connected at the top of the inwall of elevating lever 3, rises
The output end of drop motor 4 is connected by driving-chain 5 and driven pulley 6, and the surface of driving-chain 5 is fixedly connected with support bar 7, is led to
Letter apparatus body 2 is movably connected in the top of support bar 7, and the bottom of support bar 7 has been bolted the first double-shaft tilt angle biography
Sensor 8, the surface of support bar 7 and slidably connects gag lever post 9 positioned at the both sides of communication equipment body 2, and the bottom of bottom plate 1 leads to
Crossing bolt connection has the second double-shaft tilt angle sensor 10, the bottom of bottom plate 1 and the right side for being located at the second double-shaft tilt angle sensor 10
It has been bolted control cabinet 11, the bottom of bottom plate 1 and has passed on left bolt company positioned at the second double-shaft tilt angle sensor 10
Alarm 12 is connected to, the top of bottom plate 1 and the correspondingly position of support bar 7 offer standing groove 13, and the bottom of elevating lever 3, which is fixed, to be connected
Electric expansion bar 14 is connected to, the bottom of electric expansion bar 14 is welded with supporting plate 15；
The input of control cabinet 11 respectively with the first double-shaft tilt angle sensor 8 and the output end list of the second double-shaft tilt angle sensor 10
Electrotropism connects, and the output end of control cabinet 11 is unidirectional with the input of lifting motor 4, alarm 12 and electric expansion bar 14 respectively
It is electrically connected with, the side of the bottom of support bar 7 is fixedly connected with laser range finder 16, the output end and control cabinet of laser range finder 16
11 input is unidirectionally electrically connected with, and the position of the bottom of standing groove 13 and corresponding laser range finder 16 is fixedly connected with laser and connect
Plate 17 is received, the output end of laser receiver board 17 is unidirectionally electrically connected with the input of control cabinet 11, by the way that there is provided laser ranging
Instrument 16 and laser receiver board 17, the height of the opposed bottom 1 of supporting plate 15 can be detected, risen so as to detect communication equipment body 2
Height, the position of the top of support bar 7 and corresponding communication equipment body 2 is fixedly connected with pressure sensor 18, pressure sensing
The output end of device 18 and the input of control cabinet 11 are unidirectionally electrically connected with, by that there is provided pressure sensor 18, can detect logical
Believe the weight of apparatus body 2, buffer zone 19, the lower rotation connection of bottom plate 1 are fixedly connected between gag lever post 9 and gag lever post 9
There is universal wheel 20, by there is provided buffer zone 19, serving certain protective action, ensure that the stabilization of communication equipment body 2
Property, by there is provided universal wheel 20, facilitating user's auxiliary device for moving, to pass through by the way that there is provided lifting motor 4, lifting motor 4
Driving-chain 5 is driven to rotate, so as to drive support bar 7 to lift, support bar 7 drives communication equipment body 2 to lift, by the way that there is provided limit
Position bar 9, ensure that the stability in the lifting process of communication equipment body 2, can by there is provided the first double-shaft tilt angle sensor 8
To detect whether communication equipment body 2 tilt phenomenon occurs, by the way that there is provided the second double-shaft tilt angle sensor 10, bottom can be detected
Whether plate 1 there is tilt phenomenon, when bottom plate 1 or the inclination of communication equipment body 2, sends alarm sounds by alarm 12 and works
Personnel are adjusted, and avoid the occurrence of security incident, by that there is provided electric expansion bar 14 and supporting plate 15, can play preferably
Supporting role, pass through lifting motor 4, support bar 7, the first double-shaft tilt angle sensor 8, gag lever post 9, the second double-shaft tilt angle sensor
10th, the cooperation of control cabinet 11, alarm 12, electric expansion bar 14 and supporting plate 15, solves existing servicing unit hoisting process
In easily occur roll, slide and slide phenomena such as, the problem of huge potential safety hazard be present.
In use, by the way that there is provided lifting motor 4, lifting motor 4 is by driving driving-chain 5 to rotate, so as to drive support
Bar 7 lifts, and support bar 7 drives communication equipment body 2 to lift, by there is provided gag lever post 9, ensure that 2 liters of communication equipment body
Stability during drop, by that there is provided the first double-shaft tilt angle sensor 8, can detect whether communication equipment body 2 occurs
Tilt phenomenon, by that there is provided the second double-shaft tilt angle sensor 10, can detect whether bottom plate 1 tilt phenomenon occurs, when bottom plate 1
Or during the inclination of communication equipment body 2, alarm sounds staff is sent by alarm 12 and is adjusted, avoids the occurrence of safe thing
Therefore by that there is provided electric expansion bar 14 and supporting plate 15, preferable supporting role can be played, pass through lifting motor 4, support
Bar 7, the first double-shaft tilt angle sensor 8, gag lever post 9, the second double-shaft tilt angle sensor 10, control cabinet 11, alarm 12, electronic stretch
The cooperation of contracting bar 14 and supporting plate 15, solve in existing servicing unit hoisting process and inclination easily occur, slide and slide etc.
Phenomenon, the problem of huge potential safety hazard be present.
In summary：The communication equipment installation servicing unit, pass through bottom plate 1, communication equipment body 2, elevating lever 3, liter
Motor 4, driving-chain 5, driven pulley 6, support bar 7, the first double-shaft tilt angle sensor 8, gag lever post 9, the second double-shaft tilt angle sensing drop
The cooperation of device 10, control cabinet 11, alarm 12, standing groove 13, electric expansion bar 14 and supporting plate 15, solves existing auxiliary dress
Put and easily occur phenomena such as rolling, slide and sliding in hoisting process, the problem of huge potential safety hazard be present.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of communication equipment installation servicing unit, including bottom plate（1）, it is characterised in that：The bottom plate（1）Top movable
It is connected with communication equipment body（2）, the bottom plate（1）Both sides be welded with elevating lever（3）, the elevating lever（3）Away from logical
Believe apparatus body（2）Side be bolted lifting motor（4）, the lifting motor（4）Output end through lifting
Bar（3）And extend to elevating lever（3）Inside；
The lifting motor（4）Output end be rotatably connected to driving-chain（5）, the elevating lever（3）The top of inwall, which rotates, to be connected
It is connected to driven pulley（6）, the lifting motor（4）Output end pass through driving-chain（5）With driven pulley（6）Drive connection, the biography
Dynamic chain（5）Surface be fixedly connected with support bar（7）, the communication equipment body（2）It is movably connected in support bar（7）Top
Portion, the support bar（7）Bottom be bolted the first double-shaft tilt angle sensor（8）, the support bar（7）Surface
And it is located at communication equipment body（2）Both sides slidably connect gag lever post（9）, the bottom plate（1）Bottom connected by bolt
It is connected to the second double-shaft tilt angle sensor（10）, the bottom plate（1）Bottom and be located at the second double-shaft tilt angle sensor（10）The right side
Side has been bolted control cabinet（11）, the bottom plate（1）Bottom and be located at the second double-shaft tilt angle sensor（10）A left side
Side has been bolted alarm（12）, the bottom plate（1）Top and corresponding support bar（7）Position offer standing groove
（13）, the elevating lever（3）Bottom be fixedly connected with electric expansion bar（14）, the electric expansion bar（14）Bottom welding
There is supporting plate（15）；
The control cabinet（11）Input respectively with the first double-shaft tilt angle sensor（8）With the second double-shaft tilt angle sensor（10）
Output end be unidirectionally electrically connected with, the control cabinet（11）Output end respectively with lifting motor（4）, alarm（12）With it is electronic
Expansion link（14）Input be unidirectionally electrically connected with.
A kind of 2. communication equipment installation servicing unit according to claim 1, it is characterised in that：The support bar（7）
The side of bottom is fixedly connected with laser range finder（16）, the laser range finder（16）Output end and control cabinet（11）It is defeated
Enter the unidirectional electric connection in end.
A kind of 3. communication equipment installation servicing unit according to claim 2, it is characterised in that：The standing groove（13）
Bottom and corresponding laser range finder（16）Position be fixedly connected with laser receiver board（17）, the laser receiver board（17）'s
Output end and control cabinet（11）Input be unidirectionally electrically connected with.
A kind of 4. communication equipment installation servicing unit according to claim 1, it is characterised in that：The support bar（7）
Top and corresponding communication equipment body（2）Position be fixedly connected with pressure sensor（18）, the pressure sensor（18）
Output end and control cabinet（11）Input be unidirectionally electrically connected with.
A kind of 5. communication equipment installation servicing unit according to claim 1, it is characterised in that：The gag lever post（9）
With gag lever post（9）Between be fixedly connected with buffer zone（19）, the bottom plate（1）Lower rotation be connected with universal wheel（20）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711117704.7A CN107777620A (en) | 2017-11-13 | 2017-11-13 | A kind of communication equipment installation servicing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711117704.7A CN107777620A (en) | 2017-11-13 | 2017-11-13 | A kind of communication equipment installation servicing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107777620A true CN107777620A (en) | 2018-03-09 |
Family
ID=61432790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711117704.7A Pending CN107777620A (en) | 2017-11-13 | 2017-11-13 | A kind of communication equipment installation servicing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107777620A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149064A (en) * | 2018-08-31 | 2019-01-04 | 武汉中正鑫通信有限公司 | A kind of adjustable mounting rack of base station |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009107738A (en) * | 2007-10-26 | 2009-05-21 | Tsubakimoto Chain Co | Meshing chain type lifting device |
| CN103539045A (en) * | 2012-07-13 | 2014-01-29 | 深圳市三好科技有限公司 | System controlling self-propelled type electric shear fork type aerial work platform |
| CN203513186U (en) * | 2013-09-16 | 2014-04-02 | 浙江吉利控股集团有限公司 | Supporting device of hydraulic lifting platform |
| CN103935931A (en) * | 2014-04-16 | 2014-07-23 | 苏州工业园区职业技术学院 | Hanging type lifting device |
| CN204474250U (en) * | 2015-03-03 | 2015-07-15 | 山东理工大学 | A kind of hydraulic controllable lift machine |
| CN205527536U (en) * | 2016-01-27 | 2016-08-31 | 黄冈职业技术学院 | Manual lifting machinery controller of intelligence |
| CN205634813U (en) * | 2016-04-19 | 2016-10-12 | 湖北汇利机械科技有限公司 | Horizontal lift platform of rotatable formula |
| CN205634744U (en) * | 2016-04-01 | 2016-10-12 | 山东交通学院 | Portable lift loading attachment |
-
2017
- 2017-11-13 CN CN201711117704.7A patent/CN107777620A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009107738A (en) * | 2007-10-26 | 2009-05-21 | Tsubakimoto Chain Co | Meshing chain type lifting device |
| CN103539045A (en) * | 2012-07-13 | 2014-01-29 | 深圳市三好科技有限公司 | System controlling self-propelled type electric shear fork type aerial work platform |
| CN203513186U (en) * | 2013-09-16 | 2014-04-02 | 浙江吉利控股集团有限公司 | Supporting device of hydraulic lifting platform |
| CN103935931A (en) * | 2014-04-16 | 2014-07-23 | 苏州工业园区职业技术学院 | Hanging type lifting device |
| CN204474250U (en) * | 2015-03-03 | 2015-07-15 | 山东理工大学 | A kind of hydraulic controllable lift machine |
| CN205527536U (en) * | 2016-01-27 | 2016-08-31 | 黄冈职业技术学院 | Manual lifting machinery controller of intelligence |
| CN205634744U (en) * | 2016-04-01 | 2016-10-12 | 山东交通学院 | Portable lift loading attachment |
| CN205634813U (en) * | 2016-04-19 | 2016-10-12 | 湖北汇利机械科技有限公司 | Horizontal lift platform of rotatable formula |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149064A (en) * | 2018-08-31 | 2019-01-04 | 武汉中正鑫通信有限公司 | A kind of adjustable mounting rack of base station |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206170020U (en) | Automatic it is quick -witted to go up and down, overturn | |
| CN107188080A (en) | A kind of lifting trolley | |
| CN207108303U (en) | A kind of power equipment maintenance hanging apparatus | |
| CN205590191U (en) | Prevent overload formula building tower crane | |
| CN206448170U (en) | A kind of efficient Bridge Construction platform | |
| CN109035828A (en) | A kind of firm Mobile traffic light | |
| CN108533064A (en) | A kind of safety protection device of municipal road foundation pit | |
| CN109694024A (en) | A kind of self-propelled lifting hoisting platform device | |
| CN205687443U (en) | A kind of lifting machine of band alarm device | |
| CN107777620A (en) | A kind of communication equipment installation servicing unit | |
| CN108408601A (en) | A kind of construction Minitype swing machine | |
| CN207313066U (en) | Tunneling operation platform | |
| CN206705598U (en) | A kind of jack-up unit rack-and-pinion lift | |
| CN214418745U (en) | Turning device of honeycomb tubular wet-type electrostatic precipitator positive pole module | |
| CN210764017U (en) | Hoisting machinery device for building | |
| CN205634763U (en) | Safe work platform of last use of power maintenance | |
| CN103754771B (en) | Continous way self-propelled hoist automobile dismounting line | |
| CN207260145U (en) | A kind of security piling machine | |
| CN214653443U (en) | Operating platform for installation of fire-fighting engineering | |
| CN205772724U (en) | A kind of intelligent building elevator | |
| CN212609374U (en) | Elevating platform is used in communication tower maintenance | |
| CN210178065U (en) | Intelligent vehicle flood control device | |
| CN2487720Y (en) | Lift tower crane | |
| CN209740450U (en) | Construction is with safe type manned elevator | |
| CN103043570B (en) | Large-sized rotor shaft tilting unit |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180309 |