CN106430022A - Weight lifting device for electric power construction - Google Patents
Weight lifting device for electric power construction Download PDFInfo
- Publication number
- CN106430022A CN106430022A CN201610903967.XA CN201610903967A CN106430022A CN 106430022 A CN106430022 A CN 106430022A CN 201610903967 A CN201610903967 A CN 201610903967A CN 106430022 A CN106430022 A CN 106430022A
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- Prior art keywords
- body frame
- device body
- bracket
- hoist cable
- power construction
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Classifications
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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
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Invalid Beds And Related Equipment (AREA)
Abstract
The invention discloses a weight lifting device for electric power construction. The weight lifting device comprises a device body frame. A set of wheel stands is arranged on the lower portion of the device body frame. The device body frame is in sliding fit with a telescopic frame. Pushing arms are arranged on the two sides of the device body frame. A pedal plate is arranged on the upper portion of the device body frame and connected with a controller through a stand column. A sliding frame and a set of lifting oil cylinders are arranged on the front portion of the device body frame. The sliding frame is in sliding fit with a bracket. A mounting plate is arranged at the tops of the lifting oil cylinders and provided with a sling shaft seat and a gear motor. The sling shaft seat is in rotary fit with a sling shaft. A set of slings is wound around the sling shaft. A storage battery set is further arranged on the device body frame. The weight lifting device for electric power construction is convenient to move, capable of being located flexibly, reliable in supporting, stable in center, easy to operate, capable of completing weight lifting work, adjustable in lifting weight range, low in device cost, small in occupied space and flexible to use.
Description
Technical field
The present invention relates to power construction servicing unit field, be specially a kind of power construction weight lifting device.
Background technology
Electric power produces, as people's daily life and work, the significant energy all be unableing to do without, in life and work and the joy of people
Happy aspect all plays particularly important effect, for ensureing the reliable delivery of electric power, it is necessary to build electric power conveying equipment simultaneously periodically
Power equipment is overhauled, also to rush to repair in time when electric power conveying equipment generation problem, in power construction, sometimes
Some heavier auxiliary equipments can be used, and need to raise the heavy servicing units such as installing rack to use and pacify
Dress, the equipment of these heavinesses lifts if not being difficult to dependence manpower by loop wheel machine and installs, but the use of crane loop wheel machine becomes
This height, and the space for activities needing is also very big, is difficult to use in the place of limited space, now need one flexibly, move
Move convenient weight lifting device and solve the problems referred to above, bring convenience to power construction.
Content of the invention
It is an object of the invention to provide a kind of power construction weight lifting device, to solve above-mentioned background technology carries
The problem going out.
For achieving the above object, the present invention provides following technical scheme：A kind of power construction weight lifting device, including
Device body frame, described device body frame bottom is provided with one group of wheel carrier, and described wheel carrier coordinates with wheel, described device body frame with flexible
Frame is slidably matched, and described expansion bracket bottom is provided with one group of thread bush, and described thread bush and supporting leg are spirally connected, described device body frame two
Side is provided with promotion arm, and described device body frame top is provided with pedal, and described pedal is connected with controller by column,
Described device body frame front portion is provided with balladeur train and one group of hoist cylinder, and described balladeur train and bracket are slidably matched, described hoist cylinder
Top is provided with installing plate, and described installing plate is provided with hoist cable axle bed and reducing motor, and described hoist cable axle bed and hoist cable axle turn
Dynamic cooperation, described hoist cable axle is wound with one group of hoist cable, described device body frame is additionally provided with batteries, described batteries
Coordinated with described reducing motor by transformer group.
Preferably, described device body frame both sides are provided with step and bearing pin, described bearing pin and described promotion arm one end
Axle sleeve is rotatably assorted, and the described promotion arm other end is provided with handle, described promotion arm be arranged on described device body frame sidepiece
Limited block is adapted to, and described axle sleeve is connected with described device body frame sidepiece by spring, and described device body frame front portion is provided with traction
Frame.
Preferably, described wheel carrier top is provided with connection seat, and described connection seat is by one group of connecting bolt and described device
Connecting bottom body frame, described connection seat is coordinated with described wheel carrier by bearing.
Preferably, described supporting leg bottom is provided with nut, is rotatably assorted with base plate by rotary head bottom described supporting leg.
Preferably, described pedal is provided with one group of anti-skidding rib, described controller is provided with one group of operation button, institute
State controller all to electrically connect with described reducing motor and described hoist cylinder.
Preferably, be provided with reinforcement between described balladeur train and described device body frame, described balladeur train be arranged on described torr
The slide rail of frame sidepiece is slidably matched, and described bracket both sides are provided with side shield, and described bracket is provided with one group of rolling element, institute
Stating and being provided with swivel base on bracket front part one side position, described swivel base is hinged with front apron, and described front apron top is provided with handle,
Described rear bracket part is provided with backboard, and described backboard is provided with one group of joint hinge.
Preferably, described rope end is provided with suspension hook, and described suspension hook is adapted to described joint hinge, and described hoist cable axle is arranged
Having one group of hoist cable baffle plate, described hoist cable baffle plate coordinates with described hoist cable.
Preferably, described reducing motor is provided with band-type brake, and described reducing motor coordinates with drive sprocket.
Preferably, described hoist cable axle one end is provided with driven sprocket, and described driven sprocket is by chain and described swivel-chain
Wheel coordinates.
Preferably, when described power construction weight lifting device uses, other towing vehicles can be connected with hitch frame,
Carried out the tethered sliding of cost apparatus by towing vehicle, when condition does not allow to use towing vehicle, then user overcomes and draws
Axle sleeve is pulled outwardly by power spring force so that promotes and moves outside arm, at this moment turns on promotion arm so that promote arm and limited block pair
Together, then loose one's grip, under the screen resilience effect of tension spring, promote arm to be pulled, then promote that arm is spacing with limited block coordinates,
At this moment user pushing means body frame can move by way of holding handle, and wheel carrier convenient disassembly has gimbal function,
It is convenient to promote, and break-in is easy, and the anterior supporting leg of simultaneous retractable frame can be played a supporting role, the center of gravity reach of anti-locking apparatus body frame and
Easily toppling over, supporting leg is spirally connected with thread bush, and such design makes user can regulate supporting leg lifting, the end by screw on nut
Plate can increase the contact area with ground, plays more preferable supporting role, and user station is controlled by controller on the footrests
Hoist cylinder and the work of reducing motor, after hoist cylinder rises, then can increase the upper limit position moving on bracket, extend
Weight, when needing lifting heavy, is placed on bracket by the altitude range of heavy lift, and the rolling element on bracket makes putting of weight
Putting and taking out all becomes laborsaving, and front apron can prevent weight from skidding off bracket in lifting process, when reducing motor works, then subtracts
Drive sprocket on speed motor drives driven sprocket to rotate by chain drive, and the hoist cable axle coordinating with driven sprocket rotates, then
Hoist cable is retracted or releases, then hoist cable just can pull bracket to move up and down, and completes the lifting of weight, and reducing motor is arranged
Having band-type brake, shutdown can be automatically locked, it is ensured that the security of heavy lift.
Compared with prior art, the invention has the beneficial effects as follows：When this power construction is used by weight lifting device, can be by
Other towing vehicles are connected with hitch frame, have been carried out the tethered sliding of cost apparatus by towing vehicle, when condition does not allow to use
During towing vehicle, then user overcomes tension spring elastic force to be pulled outwardly axle sleeve so that promotes and moves outside arm, at this moment turns promotion arm
Open so that promote arm to align with limited block, then loose one's grip, under the screen resilience effect of tension spring, promote arm can be pulled, then
Promoting that arm is spacing with limited block coordinates, at this moment user pushing means body frame can move by way of holding handle, takes turns
Frame convenient disassembly, has gimbal function, and it is convenient to promote, and break-in is easy, and the anterior supporting leg of simultaneous retractable frame can be played a supporting role,
The center of gravity of anti-locking apparatus body frame moves forward and easily topples over, and supporting leg and thread bush are spirally connected, and such design makes user to pass through
Screw on nut regulates supporting leg lifting, and base plate can increase the contact area with ground, plays more preferable supporting role, and user stands
Work by controller control hoist cylinder and reducing motor, after hoist cylinder rises, then can increase on the footrests
The upper limit position moving on bracket, extends the altitude range of heavy lift, when needing lifting heavy, is placed on weight on bracket,
Rolling element on bracket makes the placement of weight and taking-up all become laborsaving, and front apron can prevent weight from skidding off in lifting process
Bracket, when reducing motor works, then the drive sprocket on reducing motor by chain drive drive driven sprocket rotate, with from
The hoist cable axle that movable sprocket coordinates rotates, then hoist cable is retracted or releases, then hoist cable just can pull bracket to move up and down, complete
Becoming the lifting of weight, reducing motor is provided with band-type brake, and shutdown can be automatically locked, it is ensured that the security of heavy lift；This dress
Put conveniently moving, and can flexible positioning, support reliable, central stabilizer, simple to operate, the lifting work of weight can be completed, and
And hoisting depth scope is adjustable, installation cost is low, takes up room little, uses flexibly.
Brief description
Fig. 1 is present configuration schematic diagram.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the structural representation after Fig. 1 will promote arm to turn on pushing position.
In figure：1st, device body frame, the 2nd, wheel carrier, the 3rd, wheel, the 4th, expansion bracket, the 5th, thread bush, the 6th, supporting leg, the 7th, promote arm, the 8th, pin
Pedal, the 9th, column, the 10th, controller, the 11st, balladeur train, the 12nd, hoist cylinder, the 13rd, bracket, the 14th, installing plate, the 15th, hoist cable axle bed, the 16th, subtract
Speed motor, the 17th, hoist cable axle, the 18th, hoist cable, the 19th, batteries, the 20th, transformer group, the 21st, step, the 22nd, bearing pin, the 23rd, axle sleeve, the 24th,
Handle, the 25th, limited block, the 26th, tension spring, the 27th, hitch frame, the 28th, connect seat, the 29th, connecting bolt, the 30th, bearing, the 31st, nut,
32nd, rotary head, the 33rd, base plate, the 34th, anti-skidding rib, the 35th, operate button, the 36th, reinforcement, the 37th, slide rail, the 38th, side shield, the 39th, roll
Body, the 40th, swivel base, the 41st, front apron, the 42nd, handle, the 43rd, backboard, the 44th, joint hinge, the 45th, suspension hook, the 46th, hoist cable baffle plate, the 47th, band-type brake,
48th, drive sprocket, the 49th, chain, the 50th, driven sprocket.
Detailed description of the invention
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
Describe, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
Referring to Fig. 1-3, the present invention provides a kind of technical scheme：A kind of power construction weight lifting device, including dress
Putting body frame 1, described device body frame 1 bottom is provided with one group of wheel carrier 2, and described wheel carrier 2 coordinates with wheel 3, described device body frame 1 with
Expansion bracket 4 is slidably matched, and described expansion bracket 4 bottom is provided with one group of thread bush 5, and described thread bush 5 and supporting leg 6 are spirally connected, described
Device body frame 1 both sides are provided with promotion arm 7, and described device body frame 1 top is provided with pedal 8, and described pedal 8 is by standing
Post 9 is connected with controller 10, and described device body frame 1 front portion is provided with balladeur train 11 and one group of hoist cylinder 12, described balladeur train 11 with
Bracket 13 is slidably matched, and described hoist cylinder 12 top is provided with installing plate 14, and described installing plate 14 is provided with hoist cable axle bed
15 and reducing motor 16, described hoist cable axle bed 15 and hoist cable axle 17 are rotatably assorted, and described hoist cable axle 17 is wound with one group of hoist cable
18, described device body frame 1 is additionally provided with batteries 19, described batteries 19 is by transformer group 20 and the described electricity that slows down
Machine 16 coordinates, and described device body frame 1 both sides are provided with step 21 and bearing pin 22, described bearing pin 22 and described promotion arm 7 one end
Axle sleeve 23 be rotatably assorted, described promotion arm 7 other end is provided with handle 24, described promotion arm 7 and be arranged on described device master
The limited block 25 of frame 1 sidepiece is adapted to, and described axle sleeve 23 is connected with described device body frame 1 sidepiece by spring 26, described device master
Frame 1 front portion is provided with hitch frame 27, and described wheel carrier 2 top is provided with connection seat 28, and described connection seat 28 connects spiral shell by one group
Bolt 29 is connected bottom described device body frame 1, and described connection seat 28 is coordinated with described wheel carrier 2 by bearing 30, under described supporting leg 6
Portion is provided with nut 31, is rotatably assorted with base plate 33 by rotary head 32 bottom described supporting leg 6, and described pedal 8 is provided with
One group of anti-skidding rib 34, described controller 10 is provided with one group of operation button 35, described controller 10 and described reducing motor 16
It and described hoist cylinder 12 all electrically connects, between described balladeur train 11 and described device body frame 1, is provided with reinforcement 36, described cunning
Frame 11 is slidably matched with the slide rail 37 being arranged on described bracket 13 sidepiece, and described bracket 13 both sides are provided with side shield 38, institute
State and on bracket 13, be provided with one group of rolling element 39, the anterior side position of described bracket 13 is provided with swivel base 40, described swivel base 40
Hinged with front apron 41, described front apron 41 top is provided with handle 42, and described bracket 13 rear portion is provided with backboard 43, described
Being provided with one group of joint hinge 44 on backboard 43, described hoist cable 18 end is provided with suspension hook 45, described suspension hook 45 and described joint hinge 44
Adaptation, described hoist cable axle 17 is provided with one group of hoist cable baffle plate 46, and described hoist cable baffle plate 46 coordinates with described hoist cable 18, described subtracts
Speed motor 16 is provided with band-type brake 47, and described reducing motor 16 coordinates with drive sprocket 48, described hoist cable axle 17 one end be provided with from
Movable sprocket 50, described driven sprocket 50 is coordinated with described rotating sprocket 48 by chain 49.
Operation principle：When using this power construction with weight lifting device, can be by other towing vehicles and hitch frame 27
Connect, carried out the tethered sliding of cost apparatus by towing vehicle, when condition does not allow to use towing vehicle, then user gram
Take tension spring 26 elastic force axle sleeve 23 is pulled outwardly so that promote the outer shifting of arm 7, at this moment promotion arm 7 is turned on so that promote arm 7
Align with limited block 25, then loose one's grip, under the screen resilience effect of tension spring 26, promote arm 7 to be pulled, then promote arm 7
Spacing with limited block 25 coordinating, at this moment user pushing means body frame 1 can move by way of holding handle 24, wheel carrier
2 convenient disassemblies, have gimbal function, and it is convenient to promote, and break-in is easy, and the supporting leg 6 of simultaneous retractable frame 4 front portion can play support and make
With the center of gravity of anti-locking apparatus body frame 1 moves forward and easily topples over, and supporting leg 6 and thread bush 5 are spirally connected, and such design makes user
Can regulate supporting leg 6 by screw on nut 31 to lift, base plate 33 can increase the contact area with ground, plays preferably to support and makees
With user stands in and controls hoist cylinder 12 and the work of reducing motor 16, hoist cylinder by controller 10 on pedal 8
After 12 rise, then can increase the upper limit position moving on bracket 13, extend the altitude range of heavy lift, need lifting heavy
When, weight being placed on bracket 13, the rolling element 39 on bracket 13 makes the placement of weight and taking-up all become laborsaving, front apron
41 can prevent weight from skidding off bracket 13 in lifting process, when reducing motor 16 works, then and the drive chain on reducing motor 16
Wheel 48 drives driven sprocket 50 to rotate by chain 49 transmission, and the hoist cable axle 17 coordinating with driven sprocket 50 rotates, then hoist cable 18
Be retracted or release, then hoist cable 18 just can pull bracket 13 to move up and down, and completes the lifting of weight, and reducing motor 16 sets
Being equipped with band-type brake 47, shutdown can be automatically locked, it is ensured that the security of heavy lift.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, permissible
Understand and multiple change, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention be defined by the appended.
Claims (10)
1. a power construction weight lifting device, including device body frame（1）, it is characterised in that：Described device body frame（1）Under
Portion is provided with one group of wheel carrier（2）, described wheel carrier（2）With wheel（3）Coordinate, described device body frame（1）With expansion bracket（4）Slip is joined
Close, described expansion bracket（4）Bottom is provided with one group of thread bush（5）, described thread bush（5）With supporting leg（6）It is spirally connected, described device master
Frame（1）Both sides are provided with promotion arm（7）, described device body frame（1）Top is provided with pedal（8）, described pedal（8）Logical
Cross column（9）With controller（10）Connect, described device body frame（1）Front portion is provided with balladeur train（11）With one group of hoist cylinder
（12）, described balladeur train（11）With bracket（13）It is slidably matched, described hoist cylinder（12）Top is provided with installing plate（14）, described
Installing plate（14）On be provided with hoist cable axle bed（15）And reducing motor（16）, described hoist cable axle bed（15）With hoist cable axle（17）Rotate
Coordinate, described hoist cable axle（17）On be wound with one group of hoist cable（18）, described device body frame（1）On be additionally provided with batteries
（19）, described batteries（19）Pass through transformer group（20）With described reducing motor（16）Coordinate.
2. a kind of power construction weight lifting device according to claim 1, it is characterised in that：Described device body frame
（1）Both sides are provided with step（21）And bearing pin（22）, described bearing pin（22）With described promotion arm（7）The axle sleeve of one end（23）Turn
Dynamic cooperation, described promotion arm（7）The other end is provided with handle（24）, described promotion arm（7）Be arranged on described device body frame（1）
The limited block of sidepiece（25）Adaptation, described axle sleeve（23）Pass through spring（26）With described device body frame（1）Sidepiece connects, described dress
Put body frame（1）Front portion is provided with hitch frame（27）.
3. a kind of power construction weight lifting device according to claim 1, it is characterised in that：Described wheel carrier（2）On
Portion is provided with connection seat（28）, described connection seat（28）By one group of connecting bolt（29）With described device body frame（1）Bottom connects
Connect, described connection seat（28）Pass through bearing（30）With described wheel carrier（2）Coordinate.
4. a kind of power construction weight lifting device according to claim 1, it is characterised in that：Described supporting leg（6）Under
Portion is provided with nut（31）, described supporting leg（6）Rotary head is passed through in bottom（32）With base plate（33）It is rotatably assorted.
5. a kind of power construction weight lifting device according to claim 1, it is characterised in that：Described pedal（8）
On be provided with one group of anti-skidding rib（34）, described controller（10）On be provided with one group operation button（35）, described controller（10）
With described reducing motor（16）And described hoist cylinder（12）All electrically connect.
6. a kind of power construction weight lifting device according to claim 1, it is characterised in that：Described balladeur train（11）With
Described device body frame（1）Between be provided with reinforcement（36）, described balladeur train（11）Be arranged on described bracket（13）The cunning of sidepiece
Rail（37）It is slidably matched, described bracket（13）Both sides are provided with side shield（38）, described bracket（13）On be provided with one group of rolling
Kinetoplast（39）, described bracket（13）It is provided with swivel base on an anterior side position（40）, described swivel base（40）With front apron（41）Hinge
Connect, described front apron（41）Top is provided with handle（42）, described bracket（13）Rear portion is provided with backboard（43）, described backstop
Plate（43）On be provided with one group of joint hinge（44）.
7. a kind of power construction weight lifting device according to claim 6, it is characterised in that：Described hoist cable（18）End
Portion is provided with suspension hook（45）, described suspension hook（45）With described joint hinge（44）Adaptation, described hoist cable axle（17）On be provided with one group and hang
Rope baffle plate（46）, described hoist cable baffle plate（46）With described hoist cable（18）Coordinate.
8. a kind of power construction weight lifting device according to claim 1, it is characterised in that：Described reducing motor
（16）It is provided with band-type brake（47）, described reducing motor（16）With drive sprocket（48）Coordinate.
9. a kind of power construction weight lifting device according to claim 8, it is characterised in that：Described hoist cable axle（17）
One end is provided with driven sprocket（50）, described driven sprocket（50）Pass through chain（49）With described rotating sprocket（48）Coordinate.
10. the lifting method of a kind of power construction weight lifting device according to claim 1, it is characterised in that：Institute
When stating the use of power construction weight lifting device, other towing vehicles can be connected with hitch frame, come by towing vehicle
The tethered sliding of cost apparatus, when condition does not allow to use towing vehicle, then user overcomes tension spring elastic force by axle sleeve
It is pulled outwardly so that promote and move outside arm, at this moment promotion arm is turned on so that promote arm to align with limited block, then loose one's grip, at pulling force
Under the screen resilience effect of spring, promoting arm to be pulled, then promoting that arm is spacing with limited block coordinates, at this moment user can pass through hand
The mode pushing means body frame of handle moves, wheel carrier convenient disassembly, has gimbal function, and it is convenient to promote, and break-in is easy,
The anterior supporting leg of simultaneous retractable frame can be played a supporting role, and the center of gravity of anti-locking apparatus body frame moves forward and easily topples over, supporting leg and spiral shell
Line set is spirally connected, and such design makes user can regulate supporting leg lifting by screw on nut, and base plate can increase and ground
Contact area, plays more preferable supporting role, and user station is on the footrests by controller control hoist cylinder and deceleration
The work of motor, after hoist cylinder rises, then can increase the upper limit position moving on bracket, extend the height model of heavy lift
Enclosing, when needing lifting heavy, being placed on weight on bracket, the rolling element on bracket makes the placement of weight and taking-up all become province
Power, front apron can prevent weight from skidding off bracket in lifting process, when reducing motor works, then the drive chain on reducing motor
Wheel drives driven sprocket to rotate by chain drive, and the hoist cable axle coordinating with driven sprocket rotates, then hoist cable is retracted or releases,
Then hoist cable just can pull bracket to move up and down, and completes the lifting of weight, and reducing motor is provided with band-type brake, and shutdown can be certainly
Dynamic locked, it is ensured that the security of heavy lift.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610903967.XA CN106430022A (en) | 2016-10-17 | 2016-10-17 | Weight lifting device for electric power construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610903967.XA CN106430022A (en) | 2016-10-17 | 2016-10-17 | Weight lifting device for electric power construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106430022A true CN106430022A (en) | 2017-02-22 |
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ID=58175267
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610903967.XA Pending CN106430022A (en) | 2016-10-17 | 2016-10-17 | Weight lifting device for electric power construction |
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| CN (1) | CN106430022A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107262840A (en) * | 2017-06-12 | 2017-10-20 | 重庆康田齿轮有限公司 | A kind of high speed gear hobber |
| CN107449684A (en) * | 2017-07-31 | 2017-12-08 | 浙江菲达环保科技股份有限公司 | A kind of human-computer interaction particulate matter automatic weighing device |
| CN107892263A (en) * | 2017-12-19 | 2018-04-10 | 山东矗峰重工机械集团有限公司 | A kind of mobile fork type elevator |
| CN108609556A (en) * | 2018-06-27 | 2018-10-02 | 温州大学瓯江学院 | A kind of intelligent lifting apparatus of construction worker |
| CN109704244A (en) * | 2018-12-29 | 2019-05-03 | 深圳春沐源控股有限公司 | Lifting device |
| CN110718171A (en) * | 2019-12-04 | 2020-01-21 | 徐州宇之阳市场营销策划有限公司 | Marketing show board convenient to it is fixed |
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| CN205590233U (en) * | 2016-04-07 | 2016-09-21 | 山东科技大学 | Stable freight forklift |
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| CN108609556A (en) * | 2018-06-27 | 2018-10-02 | 温州大学瓯江学院 | A kind of intelligent lifting apparatus of construction worker |
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Application publication date: 20170222 |