CN109835824A - The Improvement type support frame structure of telescopic type erecting by overhang - Google Patents
The Improvement type support frame structure of telescopic type erecting by overhang Download PDFInfo
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- CN109835824A CN109835824A CN201711206273.1A CN201711206273A CN109835824A CN 109835824 A CN109835824 A CN 109835824A CN 201711206273 A CN201711206273 A CN 201711206273A CN 109835824 A CN109835824 A CN 109835824A
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- support frame
- boom
- load
- overhang
- carrying case
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Abstract
The present invention provides a kind of Improvement type support frame structure of telescopic type erecting by overhang, the load-carrying case for being placed in roof ground can be moved including one, one boom one end is hubbed on the load-carrying case, one support frame has a connecting seat, it is mutually pivotally connected between the attachment base one end and the boom, the bilateral of the attachment base other end is respectively symmetrically pivoted with a support leg, wherein the support frame via the mutual expansion of two support leg and what is be in the shape of the letter V be placed on roof ground, the boom squint formula is connected across between the load-carrying case and the support frame, an isosceles triangle supporting framework is built between two support leg and roof ground, and the support frame is in an arm via mutually the folding for two support legs；It is unfavorable for the problem of carrying to improve the support frame structure of traditional telescopic type erecting by overhang.
Description
Technical field
The present invention relates to the hanging instrument that building roof is installed, a kind of particularly relevant improvement of telescopic type erecting by overhang
Formula support frame structure.
Background technique
The exterior wall of general room or building etc. buildings, is constructed by cement, brick and tile, metal, nonmetallic, glass etc.
It forms, because long-time is by surrounding air, dust and dirt and the influence exposed to the sun and rain, all needs the maintenance workers such as periodically to implement cleaning, repair
Make, to ensure the cleanliness and weatherability of exterior walls of buildings.
It is known that the upkeep operations such as cleaning, repairerment of current exterior walls of buildings, are hung using what building roof was installed mostly
Hang device suspends maintenance platform or the vertical lift such as wash wall telephone in midair between the exterior wall of each floor with hawser.Wherein, maintenance platform for
Wall worker or maintenance personal is washed to stand, in order to implement exterior wall cleaning or repairerment work；And washing wall telephone can then rely on its attached
If automatic brush wheel to metope carry out rolling wash operation.In addition, in another example above-mentioned be installed on can also be used between each floor of building
The erecting by overhang of roof hangs down drop hawser to ground, hangs the fenestra of weight to required floor, then with the carrying of sharp weight.
And know, since erecting by overhang all needs the roof for being carried to building, and rely on the daughter that roof ground is extended
Wall props up, and can move horizontally on roof ground, in favor of transformation by hanging object (such as maintenance platform, wash wall telephone or
Other weights etc.) in the horizontal position of exterior wall, therefore erecting by overhang is generally all made can elapse pattern；But to have seen at present
For disclosed erecting by overhang technology, though can elapse, it is unfavorable for exhibition and receives, or even including using in vehicle-mounted carrying,
And the process using the limited lift space carrying of building to roof, it is all by every means hard, and have obstacles and be difficult to walk.
Such as TaiWan, China patent M444373 case and M507929 case, the hanging that L-type frame body is presented is disclosed respectively
Structure, and be all the bracket that stood by setting on a packaged type microscope carrier on outline, and long by setting up extending/drawing back type on the bracket that stands
The horizontal bracket group structure of degree forms.The L-type frame body of these hanging structures belongs to the pattern using lockings such as screws, and volume is big, and
It is unfavorable for dismantling and carries；And the effect of its horizontal bracket extending/drawing back type, control hawser, water pipe and electric wire stent are only limitted to daughter
Distance outside wall, volume when being carried between above-mentioned vehicle-mounted carrying and ladder for reduction hanging structure, and helpless meaning.
Therefore, the present inventor discloses a kind of removable telescopic type hanging dress for being installed in building roof ground a few days ago
It sets, is detailed in 600608 case of TaiWan, China patent I, uses triangulation location form, boom, roof ground including enabling the stent
Between support frame, be built into a triangular support framework, it can be ensured that erecting by overhang when hanging weight the supporting framework it is rigid
Property intensity, and the complexity of hanging structure can be simplified, but also be conducive to staff's stent and assemble and fold carrying.Further
It says, is both less than built since above-mentioned patent can open up carrying length, load-carrying case height and support frame length of the hanger of receipts after folding
The escalator height of object is built, therefore is easier into and out of escalator, vehicle-mounted carrying is also conducive to.
However, the problem of above-mentioned patented technology, is: it is the plate body of quadrangle for supporting two support frames of boom, and
Two support frames are the bilaterals for being respectively arranged at boom, cause to account for needed for support frame empty between it is big, when erecting by overhang is removed vehicle-mounted
During carrying between fortune and ladder, for the ease of the carrying of erecting by overhang, need first to separate support frame with boom, therefore cause
It is inconvenient.
Summary of the invention
In view of this, the purpose of the present invention, it is intended to which the support frame structure for improving traditional telescopic type erecting by overhang is unfavorable for removing
The problem of fortune.
For this purpose, the present invention provides a kind of Improvement type support frame structure of telescopic type erecting by overhang, it is characterized in that including:
One can move the load-carrying case for being placed in roof ground；
One boom, one end are hubbed on the load-carrying case, which is pivoted with an at least pulley；
One support frame has a connecting seat, is mutually pivotally connected between the attachment base one end and the boom, the attachment base other end
Bilateral be respectively symmetrically pivoted with a support leg；Wherein,
The support frame via the mutual expansion of two support legs and what is be in the shape of the letter V be placed on roof ground, the boom
Being connected across between the load-carrying case and the support frame for squint formula, is built into an isosceles between two support legs and roof ground
Triangular support framework；And the support frame is in an arm via two mutually folding for the support leg.
The Improvement type support frame structure of the telescopic type erecting by overhang, in which: the boom is worn by the frame of multiple telescopic types
Cover, the boom via the mutual stent of multiple frames and squint formula be connected across the load-carrying case and the support frame it
Between, and enable and be built into triangular support framework between the boom of the stent, roof ground and support frame.
The Improvement type support frame structure of the telescopic type erecting by overhang, in which: the load-carrying case contains a folding and unfolding hawser
Power drum, hawser on the power drum are held and outstanding are held in outside building via the traction and leading for pulley of the boom of the stent
One weight of outer hanging of wall is vertically moved up or down.
The Improvement type support frame structure of the telescopic type erecting by overhang, in which: the load-carrying case also includes one to contain folding and unfolding water
The pipe dish of pipe, and the load-carrying case is attached to a water tank, the water pipe in the pipe dish connects the water tank.
The Improvement type support frame structure of the telescopic type erecting by overhang, in which: the load-carrying case also include one contain folding and unfolding electricity
The drum of line.
The Improvement type support frame structure of the telescopic type erecting by overhang, in which: it is respectively equipped with keyhole on multiple frames,
Multiple frames can align keyhole in mutual stent and wear a pin.
The Improvement type support frame structure of the telescopic type erecting by overhang, in which: can via one between the boom and load-carrying case
The axis of pulling type, which tethers, to be connect.
The Improvement type support frame structure of the telescopic type erecting by overhang, in which: the attachment base one end is pivoted with a swing seat,
Mutually interlocking is combined between the boom of the stent and the swing seat.
The Improvement type support frame structure of the telescopic type erecting by overhang, in which: at least frame in multiple frames
Upper to be configured with a scarfing seat, the boom of the stent mutually rabbets combination via the swing seat on the scarfing seat and the support frame.
The Improvement type support frame structure of the telescopic type erecting by overhang, in which: also include a pull rod, the both-end of the pull rod
It is separately connected the load-carrying case and the support frame.
According to above-mentioned implementation content, the technical effects of the invention are that: support frame is set using the isosceles triangle that can open up receipts
Meter is made the support frame that can be used to support boom upon deployment in a manner of the dissipation of ferees of isosceles triangle framework, and folded
Between Shi Nengcheng whole the accounting for of arm framework reduction empties, erecting by overhang is made to exempt the movement for unloading lower bracing frame when carrying, with
Conducive to the transport operation of erecting by overhang.
The feature and technical effect of revealed each embodiment herein will be presented in the description and diagram of lower section.
Detailed description of the invention
Fig. 1 is the stereoscopic configurations figure of first item embodiment of the present invention；
Fig. 2 is the front view of Fig. 1；
Schematic diagram when Fig. 3 is the support leg expansion of support frame；
Fig. 4 is the schematic diagram when support leg of support frame folds；
Fig. 5 is that embodiment illustrated in fig. 1 is folded and put in the schematic diagram in escalator；
Fig. 6 is the stereoscopic configurations figure of second item embodiment of the present invention.
Description of symbols: 10- roof ground；20- load-carrying case；20a- button bar；21- chamber door；22- horn ring；23- control is single
Member；24- motor；25- power drum；25a- hawser；26- pipe dish；26a- water pipe；27- water tank；28- drum；28a- electric wire；30-
Boom；31,32,33- frame；33a- pulley；34- keyhole；35- pin；36- pivoted hole；37- axis bolt；38- pull rod；38a,
38b- rod piece；39- catching groove；40- support frame；41- attachment base；42- support leg；42a- keyhole；43- idler wheel；44- button bar；44a-
Keyhole；45- pin；50- swing seat；51- seat surface；52- pillar；60- scarfing seat；61- post holes；70- clump weight；A- triangle branch
Support structure；B- isosceles triangle supporting framework；H- escalator height；H1- load-carrying case total height；H2- boom carries length；h3-
Button bar length；H4- rod length；W- weight.
Specific embodiment
Firstly, disclosing first item embodiment of the invention please refer to Fig. 1 and Fig. 2, illustrate the telescopic type erecting by overhang
Improvement type support frame structure, including installing a load-carrying case 20, a boom 30 and one on the roof ground 10 of a building
Support 40.Wherein:
The load-carrying case 20 can be made of the metal box shell for having accommodating space in one；20 side of load-carrying case is equipped with chamber door 21, can
Unlatch and close the accommodating space in case；The bottom of load-carrying case 20 is equipped with multiple horn rings 22, and the horn ring 22 is city's purchased items, by
The wheel body of an extension type is combined to constitute in one rubber or metal foot pad；When the mobile load-carrying case 20 of demand, in releasable foot pad
Wheel body contact ground, with benefit in mobile load-carrying case 20 in roof ground 10 to the position to be installed；Separately carried when demand is fixed
When loaded van 20, the wheel body only need to be retracted, allows foot pad to contact roof ground 10, load-carrying case 20 can be made with being firmly seated to roof
The required position in face 10.The clump weights such as counterweight or discus attached on demand can be hung and loaded on the inside of load-carrying case 20 or bilateral outer wall
70, to increase immovable stability when being placed on roof ground 10 of load-carrying case 20, using load-carrying case 20 as frame
Foundation pile of the boom 30 when roof ground 10 is set to use.
It can configure control unit 23 in the accommodating space of the load-carrying case 20, and install motor 24 and a folding and unfolding hawser 25a
Power drum 25.23 controllable motor of control unit, 24 forward and backward and its revolving speed, and via the connection of belt or refining item
And power drum 25 is driven to rotate, to discharge and withdraw the hawser 25a of hanging weight.
The boom 30 is mutually worn by the frame 31,32,33 of multiple telescopic types, and the multiple frame can be divided into greatly
Frame 31, middle frame 32 and little framework 33 all can be made into hollow rectangular channel frame form, and wear and energy by mutual
The operation for implementing stent and retraction, enables an operator to the total length for easily converting boom 30.Wherein, each frame 31,32,33
The linking end mutually worn can equidistantly open up several keyholes 34；When each frame 31,32,33 of stent converts the institute of boom 30
When needing length, the keyhole 34 that can be aligned between two frames for mutually wearing linking, and a pin 35 is worn respectively, and then fixed each stent
Frame 31,32,33 afterwards, to prevent boom 30 from mutually sliding between each frame 31,32,33 when loading, and convenient for operation
Personnel's removal pin 35 and fold boom 30.
Furthermore a head end of the big frame 31 in the boom 30 is equipped with pivoted hole 36, can be in the nearly bottom in the front end of load-carrying case 20
Portion position wears the pivoted hole 36 of the group boom 30 using the axis bolt 37 of a pullable formula, and then connects the boom 30 and load-carrying case 20
Integrally, and the boom 30 can be rotary via the pivot joint of axis bolt 37 and pivoted hole 36 tune move its squint mount angle.
Further, after stent length needed for obtaining boom 30 in the mutual stent of the multiple frame 31,32,33, this is hung
30 energy squint formula of arm is connected across between the load-carrying case 20 and the support frame 40, and enables the boom 30 after the stent, roof ground
A triangular support framework A (as shown in Figure 2) is built between 10 and support frame 40；Wherein, the boom 30 and load-carrying case 20 it
Between utilize the connection of pullable formula axis bolt 37, be help to be promoted between boom 30 and load-carrying case 20 in disassembly and it is when assembled just
Victory.
In specific implementation, the end of the little framework 33 in the boom 30 can be pivoted an at least pulley 33a, so that above-mentioned dynamic
Hawser 25a on line of force disk 25, the tilter that can retread via stent are placed in the traction of the boom 30 of 10 top of roof ground, and sliding
Leading for 33a of wheel is held, and outstanding one weight W of the outer hanging vertical lift for being held in exterior walls of buildings.Above-mentioned triangular support framework A is in hanging
Arm 30 is hung under the load state of weight W, can sufficient dispersive stress, occur between the component of avoiding device stress concentrate it is existing
As.
Referring to Fig. 6, disclosing second item embodiment of the invention, illustrate that the weight W hung when boom 30 washes wall telephone for one
Or when for washing the maintenance platform of wall worker standing, the load-carrying case 20 also comprising containing the pipe dish 26 of a folding and unfolding water pipe 26a, and
The load-carrying case 20 also may be included in its top and set up a water tank 27, and the water pipe 26a in the pipe dish 26 simultaneously connects the water tank 27, with benefit
Water pipe 26a can be held via the traction and leading for pulley 33a of the boom 30 after stent, and hanged and be held in except exterior walls of buildings,
And it hangs down to being down to and washes wall telephone or maintenance platform, supply is required when washing wall to use water.
In addition, the load-carrying case 20 also may include containing when the weight W that boom 30 is hung washes wall telephone or maintenance platform for one
The drum 28 of one folding and unfolding electric wire 28a, can traction via the boom 30 after stent and pulley 33a with sharp electric wire 28a
It leads and holds, and hang and be held in except exterior walls of buildings, and hang down to being down to and wash wall telephone or maintenance platform, wall telephone power supply, or supply are washed in supply
The staff stood on maintenance platform operates power supply required when electric tool.Wherein, as shown in fig. 6, the load-carrying case 20
The pipe dish 26 and drum 28 that are contained arrange the bilateral for being placed in the power drum 25 respectively, and hawser 25a is occupied in water
It between pipe 26a and electric wire 28a, is held together via the traction of boom 30 and leading for pulley 33a, and hangs and be held in exterior walls of buildings
Outside.Since the loading of the weight W for the hawser 25a carrying drawn between two parties is much larger than the own wt of water pipe 26a and electric wire 28a, because
Stability when this can so promote hanging weight W and draw water pipe 26a and electric wire 28a.
Please refer to Fig. 1, Fig. 3 and Fig. 4, illustrate that the support frame 40 has a connecting seat 41, which connects
The boom 30 is connect, balanced configuration has a support leg 42 to the bilateral of 41 other end of attachment base respectively, and two support leg 42 is in reality
Shi Shangke is utilized respectively the bilateral that trunnion is hubbed at one end of the attachment base 41, and then can adjust between two support leg 42
Angle, the support frame 40 via two support leg 42 mutual expansion when and be in the shape of the letter V (as shown in Figure 3) and the support
Frame 40 is in an arm (as shown in Figure 4) via mutually the folding for two support leg 42, and two support leg 42 is used to contact
The one end on roof ground 10 is pivoted with an idler wheel 43 respectively；When the support frame 40 is unfolded and is in the shape of the letter V, make the support frame 40
An isosceles triangle supporting framework B (as shown in Figure 3), above-mentioned isoceles triangle are built between two support legs 42 and roof ground 10
Shape supporting framework B under the load state that boom 30 hangs weight W, can sufficient dispersive stress, between the component of avoiding device
Stress concentration phenomenon occurs；When the support frame 40 folds when in arm, can be reduced between accounting for and emptying needed for support frame 40, with
The carrying of frame 40 easy to support.
The support frame 40 is fixed between two support leg 42 using a detachable button bar 44 on the implementation
Angle, in order to the support frame 40 expansion and fold；Further, a keyhole is offered respectively in two support leg 42
42a, the both-end of the button bar 44 open up several keyholes 44a respectively, when the expansion of two support legs 42, can be directed at two support legs 42
The keyhole 44a of the both-end of keyhole 42a and button bar 44, and a pin 45 is worn respectively, and then two after the expansion of fixing support rack 40
Angle between support foot 42 to prevent angle of the support frame 40 when loading between two support legs 42 from changing, and then avoids
The angle that mounts of boom 30 is influenced, and removes button bar 44 convenient for operator's removal pin 45 and folds support frame 40.
It please continue refering to fig. 1 and Fig. 2, illustrate one end for being used to connect boom 30 of the attachment base 41 on the implementation using pivot
Pin is pivoted with a swing seat 50, which provides a smooth seat surface 51, is formed with several pillars 52 on the seat surface 51, and
A scarfing seat 60 is configured among the boom 30 on frame 32, the corresponding several pillars 52 in the bottom of the scarfing seat 60 and shape
At there is post holes 61, so that can mutually rabbet knot by pillar 52 and the buckle of post holes 61 between the boom 30 and the swing seat 50
Integrator；So implement, is formed between the boom 30 and the support frame 40 after the stent can be made and be mutually pivotally connected and adjustable frame
The form of angle setting degree.Wherein, which firm by two support legs 42 can be placed on roof ground 10, or with
It is mobile on roof ground 10 by means of the idler wheel 43 in two support legs 42 to adjust position.
Improvement type support frame structure of the invention also includes a pull rod 38, which is by being mutually pivotally connected on the implementation
Two rod piece 38a, 38b constituted, described two rod pieces 38a, 38b far from one end for being mutually pivotally connected can be respectively formed with it is equidistant between
Every multiple catching grooves 39, wherein a rod piece 38a using catching groove 39 and with the mutual snapping of button bar 20a on 20 headwall of load-carrying case, separately
One rod piece 38b using catching groove 39 and with the mutual snapping of button bar 44 on support frame 40, so implement, above-mentioned triangle branch can be reinforced
The load intensity of support structure A generates more preferably stress dispersion effect.
Referring to Fig. 5, illustrating in above-mentioned implementation, in the function for loading and the support for not influencing packaged type load-carrying case 20
Under, the total height h1 (may include water tank) that can design the load-carrying case 20 is less than the escalator height H of building, and due to described more
The form for facilitating exhibition to receive is made in a 31,32,33 system of frame, therefore the boom presented after boom 30 mutually folds carries length
H2 also can easily be designed to the form less than escalator height H, by buckleing for the button bar 44 that is disassembled on the support frame 40
Pole length h3 is designed to the escalator height H less than the building, and the pull rod 38 folds the rod length h4 presented afterwards
Also it is designed to the escalator height H less than the building, so that construction personnel can carry of the invention hang using escalator
Hang device, so implementing also to be conducive to erecting by overhang of the invention can save when vehicle-mounted carrying between accounting on vehicle empty.
Described above to be merely exemplary for the purpose of the present invention, and not restrictive, those of ordinary skill in the art understand,
Without departing from the spirit and scope defined by the claims, can many modifications may be made, variation or equivalent, but will all fall
Enter within protection scope of the present invention.
Claims (10)
1. a kind of Improvement type support frame structure of telescopic type erecting by overhang, it is characterized in that including:
One can move the load-carrying case for being placed in roof ground；
One boom, one end are hubbed on the load-carrying case, which is pivoted with an at least pulley；
One support frame has a connecting seat, is mutually pivotally connected between the attachment base one end and the boom, pair of the attachment base other end
Side is respectively symmetrically pivoted with a support leg；Wherein,
The support frame via the mutual expansion of two support legs and what is be in the shape of the letter V be placed on roof ground, the boom squint
Being connected across between the load-carrying case and the support frame for formula, is built into an isoceles triangle between two support legs and roof ground
Shape supporting framework；And the support frame is in an arm via two mutually folding for the support leg.
2. the Improvement type support frame structure of telescopic type erecting by overhang as described in claim 1, it is characterised in that: the boom is by multiple
The frame of telescopic type is worn, and the boom is via the mutual stent of multiple frames and squint formula is connected across the load-carrying case
Between the support frame, and enables and be built into triangular support framework between the boom of the stent, roof ground and support frame.
3. the Improvement type support frame structure of telescopic type erecting by overhang as claimed in claim 2, it is characterised in that: the load-carrying case contains
The power drum of one folding and unfolding hawser, hawser on the power drum via the boom of the stent traction and pulley lead hold and
Outstanding one weight of the outer hanging vertical lift for being held in exterior walls of buildings.
4. the Improvement type support frame structure of telescopic type erecting by overhang as claimed in claim 3, it is characterised in that: the load-carrying case also wraps
The pipe dish for containing folding and unfolding water pipe containing one, and the load-carrying case is attached to a water tank, the water pipe in the pipe dish connects the water tank.
5. the Improvement type support frame structure of telescopic type erecting by overhang as described in claim 3 or 4, it is characterised in that: the load-carrying case
The drum for also containing folding and unfolding electric wire comprising one.
6. the Improvement type support frame structure of telescopic type erecting by overhang as claimed in claim 2, it is characterised in that: multiple frames
On be respectively equipped with keyhole, multiple frames can align keyhole in mutual stent and wear a pin.
7. the Improvement type support frame structure of telescopic type erecting by overhang as claimed in claim 6, it is characterised in that: the boom and load-carrying
It tethers and connects via the axis of a pullable formula between case.
8. the Improvement type support frame structure of telescopic type erecting by overhang as claimed in claim 2, it is characterised in that: the attachment base one end
It is pivoted with a swing seat, mutually interlocking is combined between the boom of the stent and the swing seat.
9. the Improvement type support frame structure of telescopic type erecting by overhang as claimed in claim 8, it is characterised in that: multiple frames
In an at least frame on be configured with a scarfing seat, the boom of the stent is via the scarfing seat and the swing seat phase on the support frame
Mutually interlocking combines.
10. the Improvement type support frame structure of telescopic type erecting by overhang as described in claim 1, it is characterised in that: also include one
Pull rod, the both-end of the pull rod are separately connected the load-carrying case and the support frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711206273.1A CN109835824A (en) | 2017-11-27 | 2017-11-27 | The Improvement type support frame structure of telescopic type erecting by overhang |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711206273.1A CN109835824A (en) | 2017-11-27 | 2017-11-27 | The Improvement type support frame structure of telescopic type erecting by overhang |
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| Publication Number | Publication Date |
|---|---|
| CN109835824A true CN109835824A (en) | 2019-06-04 |
Family
ID=66880242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711206273.1A Withdrawn CN109835824A (en) | 2017-11-27 | 2017-11-27 | The Improvement type support frame structure of telescopic type erecting by overhang |
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| US6276666B1 (en) * | 2000-04-05 | 2001-08-21 | Lockheed Martin Corporation | Apparatus and method for moving a load |
| CN2497389Y (en) * | 2001-08-14 | 2002-06-26 | 尤明地 | Musical instrument support |
| CN205527492U (en) * | 2016-01-20 | 2016-08-31 | 文登蓝岛建筑工程有限公司 | Hoist and mount transport vechicle of structural slab |
| CN205687454U (en) * | 2016-06-17 | 2016-11-16 | 中国石油集团长城钻探工程有限公司 | Well logging herringbone hangs |
| CN206033099U (en) * | 2016-08-31 | 2017-03-22 | 朱松伟 | Lifting device |
| CN106809752A (en) * | 2015-12-02 | 2017-06-09 | 国家电网公司 | Boom hoisting |
| CN206273770U (en) * | 2016-11-15 | 2017-06-23 | 高建文 | The removable telescopic type erecting by overhang for being installed in building roof ground |
| CN207581225U (en) * | 2017-11-27 | 2018-07-06 | 高建文 | The Improvement type support frame structure of telescopic type erecting by overhang |
-
2017
- 2017-11-27 CN CN201711206273.1A patent/CN109835824A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6276666B1 (en) * | 2000-04-05 | 2001-08-21 | Lockheed Martin Corporation | Apparatus and method for moving a load |
| CN2497389Y (en) * | 2001-08-14 | 2002-06-26 | 尤明地 | Musical instrument support |
| CN106809752A (en) * | 2015-12-02 | 2017-06-09 | 国家电网公司 | Boom hoisting |
| CN205527492U (en) * | 2016-01-20 | 2016-08-31 | 文登蓝岛建筑工程有限公司 | Hoist and mount transport vechicle of structural slab |
| CN205687454U (en) * | 2016-06-17 | 2016-11-16 | 中国石油集团长城钻探工程有限公司 | Well logging herringbone hangs |
| CN206033099U (en) * | 2016-08-31 | 2017-03-22 | 朱松伟 | Lifting device |
| CN206273770U (en) * | 2016-11-15 | 2017-06-23 | 高建文 | The removable telescopic type erecting by overhang for being installed in building roof ground |
| CN207581225U (en) * | 2017-11-27 | 2018-07-06 | 高建文 | The Improvement type support frame structure of telescopic type erecting by overhang |
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Application publication date: 20190604 |