CN109319700A - A kind of telescopic device and lifting device - Google Patents
A kind of telescopic device and lifting device Download PDFInfo
- Publication number
- CN109319700A CN109319700A CN201811295596.7A CN201811295596A CN109319700A CN 109319700 A CN109319700 A CN 109319700A CN 201811295596 A CN201811295596 A CN 201811295596A CN 109319700 A CN109319700 A CN 109319700A
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- CN
- China
- Prior art keywords
- pulley
- hanging column
- outer cylinder
- drawstring
- inner cylinder
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- 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.)
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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
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Ladders (AREA)
Abstract
Present disclose provides a kind of telescopic device and lifting devices, telescopic device includes: outer cylinder (1), upper part outer surface is equipped with the first hanging column (12), and outer cylinder (1) offers the sliding slot (11) along barrel lenght direction in the first hanging column (12) underlying surfaces；Inner cylinder (2), it is sheathed in outer cylinder (1), inner cylinder (2) lower external face is equipped with the second hanging column (21), and the second hanging column (21) stretches out in the sliding slot (11) of outer cylinder (1) outside；Pulley blocks, including at least first pulley (3), second pulley (4) and drawstring (5), first pulley (3) is fixed on the first hanging column (12), second pulley (4), which is fixed on, to be stretched out on the second hanging column (21) of sliding slot (11) outside, drawstring (5) twines in first pulley (3) and second pulley (4), when so that external force pulling drawstring (5) free end, it is mobile to drive second pulley (4), so that inner cylinder (2) be driven to slide along outer cylinder (1).
Description
Technical field
The disclosure belongs to mechanical design field, and in particular to a kind of telescopic device and lifting device.
Background technique
In daily life, people often carry out aerial work by climbing tool.For example, picking mountain core in mountain area orchard worker
Whens peach, Chinese chestnut, pine nut etc., since most of fruit grows the apical position in tree, picking is very difficult, if not by climbing work
Tool, it is easy to be thrown from tree, cause casualty accident.In another example for residential property personnel maintenance, afforestation pollard
For, in some cases ladder inconvenient to use or set up excessively high ladder rock it is dangerous.It can vertically be risen therefore, it is necessary to a kind of
User is sent to high-altitude safe operation by the easy device of drop.
Summary of the invention
(1) technical problems to be solved
In view of the above problems, the disclosure provides a kind of telescopic device and lifting device, is able to carry out stable lifting, thus
It can safely guarantee that user carries out high altitude operation.
(2) technical solution
On the one hand the disclosure provides a kind of telescopic device, comprising: and outer cylinder 1, upper part outer surface are equipped with the first hanging column 12,
Outer cylinder 1 offers the sliding slot 11 along barrel lenght direction in 12 underlying surfaces of the first hanging column；Inner cylinder 2 is sheathed on outer cylinder 1
Interior, 2 lower external face of inner cylinder is equipped with the second hanging column 21, and the second hanging column 21 stretches out in outside the sliding slot 11 of outer cylinder 1；Pulley blocks,
Including at least first pulley 3, second pulley 4 and drawstring 5, the first pulley 3 is fixed on the first hanging column 12, second pulley
4 are fixed on the second hanging column 21 stretched out in outside sliding slot 11, and drawstring 5 twines in first pulley 3 and second pulley 4, so that
When external force pulls 5 free end of drawstring, it is mobile to drive second pulley 4, so that inner cylinder 2 be driven to slide along 1 length direction of outer cylinder.
Optionally, telescopic device includes: sealing cover 6, is installed in outer cylinder 1 equipped on the outer wall of 11 side of sliding slot, is used in combination
In covering pulley blocks, the free end of drawstring 5 is pierced by from sealing cover 6.
Optionally, telescopic device further include: driving device 7, the free end of connection stay cord 5, with the work of driving pulley group.
On the one hand the disclosure provides another telescopic device, comprising: outer cylinder 1, upper part inner surface are equipped with the first hanging column
12；Inner cylinder 2, its underpart inner surface are equipped with the second hanging column 21, and inner cylinder 2 is offered in 21 overhead surface of the second hanging column along cylinder
The sliding slot of length direction, the first hanging column 12 stretch out in the sliding slot of inner cylinder 2；Pulley blocks include at least first pulley 3, second
Pulley 4 and drawstring 5, first pulley 3 are fixed on the first hanging column 12 stretched out in sliding slot 11, and second pulley 4 is fixed on
On two hanging columns 21, drawstring 5 is twined in first pulley 3 and second pulley 4, when so that external force pulling 5 free end of drawstring, is driven
Second pulley 4 is mobile, so that inner cylinder 2 be driven to slide along 1 length direction of outer cylinder.
Optionally, telescopic device further include: driving device 7, the free end of connection stay cord 5, with the work of driving pulley group.
On the other hand the disclosure provides a kind of lifting device, comprising: telescopic device above-mentioned；Bracket 8, top be equipped with
The fixation hole 81 that telescopic device matches, telescopic device one end are arranged in fixation hole 81, and the other end stands on horizontal plane or outstanding
It hangs on bracket 8；Lifting seat 9, the one end for stretching out outer cylinder 1 with inner cylinder 2 are fixed.
Optionally, sealing cover 6 is mounted on after 1 outer wall of outer cylinder and coincide with the fixation hole 81 of bracket 8, so that one end of outer cylinder 1
It is arranged in the fixation hole 81.
Optionally, the lower part of bracket 8 sets the fixation for the lifting device bottom end there are two fixed link 82.
Optionally, lifting seat 9 includes: lifting seat bottom plate 91；Lifting seat interface 92 is set to 91 lower part of lifting seat bottom plate,
Lifting seat interface 92 engages with 2 upper end of inner cylinder；Fence 93 is set on lifting seat bottom plate 91.
Optionally, bracket 8 is one of ladder, tripod or four foot props.
(3) beneficial effect
The outer cylinder in telescopic device that the disclosure provides is connected with inner cylinder by pulley blocks, easily laborsaving, can use small electric machine
Control lifting, meanwhile, telescopic device structure is simple, maintenance is almost not necessarily to, in addition, telescopic device is controlled by drawstring pulley blocks
The lengthening lifting device for 5-10 meters can be processed as long as guaranteeing that bottom support is firm in lifting, applied widely.
Detailed description of the invention
Fig. 1 schematically depicts the structure chart of the telescopic device of one embodiment of the disclosure.
Fig. 2 schematically depicts the structure chart of the outer cylinder of one embodiment of the disclosure.
Fig. 3 schematically depicts the structure chart of the inner cylinder of one embodiment of the disclosure.
Fig. 4 schematically depicts the outer cylinder of one embodiment of the disclosure and the structure chart of inner cylinder.
Fig. 5 schematically depicts the structure chart of the pulley blocks of one embodiment of the disclosure.
Fig. 6 schematically depicts the structure chart of the pulley blocks installation of one embodiment of the disclosure.
Fig. 7 schematically depicts the operation figure of the telescopic device of one embodiment of the disclosure.
Fig. 8 schematically depicts sealing cover in one embodiment of the disclosure and is installed in the structure for covering pulley blocks on outer cylinder
Figure.
Fig. 9 schematically depicts the structure chart of driving device in one embodiment of the disclosure.
Figure 10 schematically depicts the structure chart that motor 7 in one embodiment of the disclosure is installed in telescopic device.
Figure 11 schematically depicts the structure chart of telescopic device in another embodiment of the disclosure.
Figure 12 schematically depicts the internal structure chart of telescopic device in another embodiment of the disclosure.
Figure 13 schematically depicts the structure chart of the lifting device of the embodiment of the present disclosure.
Figure 14 schematically depicts the structure chart of the bracket of the embodiment of the present disclosure.
The telescopic device that Figure 15 schematically depicts the embodiment of the present disclosure is installed in the structure chart on ladder.
Figure 16 schematically depicts the structure chart of the lifting seat of the embodiment of the present disclosure.
Figure 17 schematically depicts the operation figure of the lifting device of the embodiment of the present disclosure.
Description of symbols
1 outer cylinder
11 sliding slots
12 first hanging columns
2 inner cylinders
21 second hanging columns
3 first pulleys
31 hooks
4 second pulleys
5 drawstrings
6 sealing covers
7 motors
71 reels
72 stay hooks
8 ladders
81 fixation holes
82 fixed links
9 lifting seats
91 lifting seat bottom plates
92 lifting seat interfaces
93 fences
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference
Attached drawing, the present invention is described in more detail.
Fig. 1 schematically depicts the structure chart of the telescopic device of one embodiment of the disclosure, below with reference to FIG. 1 to FIG. 7
Come illustrate one embodiment of the disclosure telescopic device structure.
As shown in Figure 1, the telescopic device of one embodiment of the disclosure includes outer cylinder 1, inner cylinder 2 and pulley blocks, specific structure
Refer to following Fig. 2~Fig. 7.
Fig. 2 schematically depicts the structure chart of the outer cylinder of one embodiment of the disclosure.As shown in Fig. 2, outer cylinder 1 is a tubular
Structure, upper part outer surface are equipped with the first hanging column 12, and outer cylinder 1 is offered in 12 underlying surfaces of the first hanging column along barrel lenght
The sliding slot 11 in direction.
Fig. 3 schematically depicts the structure chart of the inner cylinder of one embodiment of the disclosure.As shown in figure 3, inner cylinder 2 be one with it is outer
The 1 matched tubular structure of institute of cylinder, 2 lower external face of inner cylinder are equipped with the second hanging column 21.
Fig. 4 schematically depicts the outer cylinder of one embodiment of the disclosure and the structure chart of inner cylinder.As shown in figure 4,2 sets of inner cylinder
In outer cylinder 1, the second hanging column 21 of inner cylinder 2 is stretched out in outside the sliding slot 11 of outer cylinder 1.
Fig. 5 schematically depicts the structure chart of the pulley blocks of one embodiment of the disclosure.As shown in figure 5, pulley blocks include
First pulley 3, second pulley 4 and drawstring 5, first pulley 3 are equipped with for the hook 31 that first pulley 3 is fixed, by drawstring 5 one
End connect with the hook 31 of first pulley 3, by 5 other end of drawstring down around after second pulley 4 up around first pulley 3 after
It pulls down, that is, is combined into pulley blocks, pull downward on drawstring 5, second pulley 4 moves up, and the pull-up that pulley blocks can be relatively labor-saving is outstanding
Hang over the object in second pulley 4.
Fig. 6 schematically depicts the structure chart of the pulley blocks installation of one embodiment of the disclosure.As shown in fig. 6, first is sliding
Wheel 3 is fixed on the first hanging column 12, and second pulley 4 is fixed on the second hanging column 21 stretched out in outside sliding slot 11, and external force is drawn
When dynamic 5 free end of drawstring, it is mobile to drive second pulley 4, so that inner cylinder 2 be driven to slide along 1 length direction of outer cylinder.
Fig. 7 schematically depicts the operation figure of the telescopic device of one embodiment of the disclosure.As shown in fig. 7, pulling downward on
The other end of drawstring 5, drawstring 5 pulls second pulley 4 11 to move along the chute to first pulley 3 by pulley blocks, due to the second cunning
Wheel 4 is installed on the second hanging column 21 of inner cylinder 2, and inner cylinder 2 can be synchronized to rise in outer cylinder 1；When unclamping drawstring 5, inner cylinder 2
Decline along outer cylinder 1 under the effect of gravity, the 11 synchronous decline along the chute of second pulley 4.
It is understood that pulley number, drawstring canoe in pulley blocks mentioned by embodiment of the disclosure are simultaneously
Be not limited in figure or text described in mode, specifically can set corresponding pulley number and drawstring according to application scenarios
Canoe.In addition, the shape of the outer cylinder that meaning property is drawn as shown in the figure, inner cylinder is also not limited to the cuboid in figure, it can root
According to needing to be designed to matched other shapes.
Fig. 8 schematically depicts sealing cover in one embodiment of the disclosure and is installed in the structure for covering pulley blocks on outer cylinder
Figure.As shown in figure 8, sealing cover 6 is installed on 1 outer wall of outer cylinder, pulley blocks are covered, one end of drawstring 5 is worn below sealing cover 6
Out.It is understood that the free end of embodiment of the disclosure pulley blocks medium pulling rope 5 is downward, therefore the embodiment of the present disclosure will be close
The bottom of capping 6 reserves gap, so that drawstring 5 is pierced by below sealing cover 6.In other embodiments it is also envisioned that, when
When canoe difference of the drawstring 5 in pulley blocks, for example, drawstring 5 free end it is upward when, the sealing cover 6 of the embodiment of the present disclosure
Gap can also be reserved at top, so that drawstring 5 is pierced by above sealing cover 6.
Fig. 9 schematically depicts the structure chart of driving device in one embodiment of the disclosure.As shown in figure 9, the driving fills
It is set to motor 7, motor 7 is equipped with reel 71, and 7 two sides of motor are equipped with stay hook 72.
Figure 10 schematically depicts the structure chart that motor 7 in one embodiment of the disclosure is installed in telescopic device.Such as Figure 10 institute
Show, motor 7 installs the lower part of outer cylinder 1, and the drawstring 5 being pierced by below sealing cover 6 is connected on the reel 71 of motor 7.Start motor
7, inner cylinder 2 can be controlled by drawstring 5 go up and down.
In the telescopic device of another embodiment of the disclosure, pulley blocks are installed in inside hollow inner cylinder 2, i.e., outside inner cylinder 2
Slide slot is offered on wall, the hanging column for being installed with first pulley 3 is pierced by outward at the top of the slide slot of inner cylinder 2 is fixed on outer cylinder
On 1 inner wall, first pulley 3 is fixed on 2 inner upper end of inner cylinder, and second pulley 4 is installed in 2 interior lower end of inner cylinder, and drawstring 5 connects
In 2 internal combination of inner cylinder at pulley blocks, drawstring 5 is pulled out from 2 one end of inner cylinder for first pulley 3, second pulley 4, i.e., controllable inner cylinder 2
Lifting.
Figure 11~Figure 12 schematically depicts the structure chart of the telescopic device of another embodiment of the disclosure, below with reference to
Figure 11~Figure 12 illustrates the structure of the telescopic device of another embodiment of the disclosure.
Figure 11 schematically depicts the structure chart of telescopic device in another embodiment of the disclosure.As shown in figure 11, outer cylinder 1
It is equipped with the first hanging column 12 inside upper end, the second hanging column 21 is equipped with inside 2 lower end of inner cylinder, offers sliding slot on 2 outer wall of inner cylinder
11, inner cylinder 2 is installed in outer cylinder 1, and pulley blocks are installed in inside inner cylinder 2, that is, be combined into functionally with upper embodiment phase
Same telescopic device, pulls 5 one end of drawstring, and inner cylinder 2 can be gone up and down in outer cylinder 1.
Figure 12 schematically depicts the internal structure chart of telescopic device in another embodiment of the disclosure.As shown in figure 12,
Inner cylinder 2 is installed in outer cylinder 1, and the second hanging column 12 of 1 upper end of outer cylinder enters inside inner cylinder 2 after the sliding slot 11 of inner cylinder 2, the
One pulley 3 is installed on the first hanging column 12, and second pulley 4 is installed on the second hanging column 21 inside 2 lower end of inner cylinder, drawstring
5 one end are connect with the hook 31 of first pulley 3, by 5 other end of drawstring down around after second pulley 4 up around first pulley
It is pierced by after 3 from 11 one end of the second inner cylinder, that is, is combined into functionally telescopic device identical with a upper embodiment
Figure 13 schematically depicts the structure chart of the lifting device of the embodiment of the present disclosure, below with reference to Figure 13~Figure 17
Come illustrate one embodiment of the disclosure telescopic device structure.
As shown in figure 13, lifting device includes the telescopic device of one of both examples above, bracket 8 as shown in figure 14
And lifting seat 9 as shown in figure 16.
Figure 14 schematically depicts the structure chart of the bracket of the embodiment of the present disclosure.As shown in figure 14, which is a ladder
Son 8,8 top pedal of ladder are equipped with fixation hole 81, fixation hole 81 and the first outer cylinder 1 on lifting device and sealing cover 6 in conjunction with and
At outer wall coincide, 8 lower part of ladder sets the fixed link 82 there are two end buckle.It is envisioned that the bracket of the disclosure is simultaneously
It is not limited to ladder, is also possible to the support constructions such as tripod or four foot props.
The telescopic device that Figure 15 schematically depicts the embodiment of the present disclosure is installed in the structure chart on ladder.Such as Figure 15 institute
Show, telescopic device is erected at ground, and the fixation hole 81 on 8 top pedal of ladder is in conjunction with telescopic device upper end, outer cylinder 1 and sealing
The outer wall that lid 6 is combined into is caught in fixation hole 81, and 2 upper end of inner cylinder protrudes from outer cylinder 1, the 8 lower part end Liang Ge buckle of ladder
Fixed link 82 engage with the 7 two sides stay hook 72 of motor of Motorized lift device lower end, Motorized lift device can consolidate installing
On ladder 8.
Figure 16 schematically depicts the structure chart of the lifting seat of the embodiment of the present disclosure.As shown in figure 16, lifting seat 9 is equipped with
One lifting seat bottom plate 91,91 lower part of lifting seat bottom plate are equipped with lifting seat interface 92, and lifting seat interface 92 engages with 2 upper end of inner cylinder,
Lifting seat bottom plate 91 is equipped with fence 93.
Figure 17 schematically depicts the operation figure of the lifting device of the embodiment of the present disclosure.As shown in figure 17, user stands
After in lifting seat 9, start motor 7, inner cylinder 2 in telescopic device jacks up lifting seat 9 and rises, to suitable height after close motor
7, lifting seat 9 stops, and the user to stand in fence 93 can carry out safely high altitude operation, reversely transports when starting motor 7
When row, the reel 71 in motor 7 at the uniform velocity discharges drawstring 5, and uniform descent, lifting seat 9 drop to ladder to inner cylinder 2 under the effect of gravity
Stop when 8 top pedal position, user exits from fence 93, and high altitude operation can be completed.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical scheme and beneficial effects
It describes in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in guarantor of the invention
Within the scope of shield.
Claims (10)
1. a kind of telescopic device characterized by comprising
Outer cylinder (1), upper part outer surface are equipped with the first hanging column (12), and the outer cylinder (1) is under first hanging column (12)
Square surface offers the sliding slot (11) along barrel lenght direction；
Inner cylinder (2) is sheathed in the outer cylinder (1), and inner cylinder (2) lower external face is equipped with the second hanging column (21), institute
It states the second hanging column (21) and stretches out in the sliding slot (11) of the outer cylinder (1) outside；
Pulley blocks, include at least first pulley (3), second pulley (4) and drawstring (5), and the first pulley (3) is fixed on described
On first hanging column (12), the second pulley (4), which is fixed on, stretches out in second hanging column of the sliding slot (11) outside
(21) on, the drawstring (5) is twined in the first pulley (3) and second pulley (4), so that external force pulls the drawstring
(5) when free end, drive the second pulley (4) mobile, to drive the inner cylinder (2) along the outer cylinder (1) length direction
Sliding.
2. telescopic device according to claim 1, which is characterized in that further include:
Sealing cover (6) is installed in the outer cylinder (1) and is equipped on the outer wall of sliding slot (11) side, and for covering the pulley
The free end of group, the drawstring (5) is pierced by from the sealing cover (6).
3. telescopic device according to claim 1 or 2, which is characterized in that further include:
Driving device (7), connects the free end of the drawstring (5), to drive the pulley blocks to work.
4. a kind of telescopic device characterized by comprising
Outer cylinder (1), upper part inner surface are equipped with the first hanging column (12)；
Inner cylinder (2), its underpart inner surface are equipped with the second hanging column (21), and the inner cylinder (2) is on second hanging column (21)
Square surface offers the sliding slot along barrel lenght direction, and first hanging column (12) stretches out in the sliding slot of the inner cylinder (2)；
Pulley blocks include at least first pulley (3), second pulley (4) and drawstring (5), the first pulley (3) and are fixed on stretching
In on the first hanging column (12) in the sliding slot (11), the second pulley (4) is fixed on second hanging column (21),
The drawstring (5) twines in the first pulley (3) and second pulley (4), so that external force pulls drawstring (5) free end
When, it is mobile to drive the second pulley (4), so that the inner cylinder (2) be driven to slide along the outer cylinder (1) length direction.
5. telescopic device according to claim 4, which is characterized in that further include:
Driving device (7), the driving device (7) connect the free end of the drawstring (5), to drive the pulley blocks to work.
6. a kind of lifting device characterized by comprising
Telescopic device as claimed in claim 3 or 5；
Bracket (8), top are equipped with the fixation hole (81) to match with the telescopic device, and described telescopic device one end is arranged in
In the fixation hole (81), the other end is stood on horizontal plane or is suspended on the bracket (8)；
Lifting seat (9), the one end for stretching out the outer cylinder (1) with the inner cylinder (2) are fixed.
7. lifting device according to claim 6, which is characterized in that after the sealing cover (6) is mounted on outer cylinder (1) outer wall
It coincide with the fixation hole (81) of the bracket (8), so that one end of the outer cylinder (1) is arranged in the fixation hole (81).
8. lifting device according to claim 6, which is characterized in that the lower part of the bracket (8) is set there are two fixed link
(82), the fixation for the lifting device bottom end.
9. lifting device according to claim 6, which is characterized in that the lifting seat (9) includes:
Lifting seat bottom plate (91)；
Lifting seat interface (92) is set to lifting seat bottom plate (91) lower part, the lifting seat interface (92) and the inner cylinder
(2) upper end engages；
Fence (93) is set on the lifting seat bottom plate (91).
10. lifting device according to claim 6, which is characterized in that the bracket (8) is ladder, tripod, four foot props
One of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811295596.7A CN109319700A (en) | 2018-11-01 | 2018-11-01 | A kind of telescopic device and lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811295596.7A CN109319700A (en) | 2018-11-01 | 2018-11-01 | A kind of telescopic device and lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109319700A true CN109319700A (en) | 2019-02-12 |
Family
ID=65260147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811295596.7A Pending CN109319700A (en) | 2018-11-01 | 2018-11-01 | A kind of telescopic device and lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109319700A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110169650A (en) * | 2019-06-03 | 2019-08-27 | 尹宏 | A kind of same table |
| CN111503983A (en) * | 2020-04-23 | 2020-08-07 | 长虹美菱股份有限公司 | Labor-saving lifting device for refrigerator partition frame |
| CN112938805A (en) * | 2021-01-29 | 2021-06-11 | 珠海校主太空科技有限公司 | Novel linkage principle device |
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| CN202139889U (en) * | 2011-06-23 | 2012-02-08 | 王文杰 | Flagpole |
| CN203079621U (en) * | 2012-12-26 | 2013-07-24 | 福建星海通信科技有限公司 | Electric lifting rod |
| CN203922567U (en) * | 2014-06-30 | 2014-11-05 | 梁厦 | Novel hoisting pours into machine |
| CN106786185A (en) * | 2016-12-23 | 2017-05-31 | 上海久隆电力（集团）有限公司 | A kind of elevator laid for tunnel inner cable |
| EP3293351A1 (en) * | 2016-09-07 | 2018-03-14 | Soilmec S.p.A. | Drilling machine |
| CN108439234A (en) * | 2014-06-17 | 2018-08-24 | 株式会社多田野 | The telescopic device of telescopic arm |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202139889U (en) * | 2011-06-23 | 2012-02-08 | 王文杰 | Flagpole |
| CN203079621U (en) * | 2012-12-26 | 2013-07-24 | 福建星海通信科技有限公司 | Electric lifting rod |
| CN108439234A (en) * | 2014-06-17 | 2018-08-24 | 株式会社多田野 | The telescopic device of telescopic arm |
| CN203922567U (en) * | 2014-06-30 | 2014-11-05 | 梁厦 | Novel hoisting pours into machine |
| EP3293351A1 (en) * | 2016-09-07 | 2018-03-14 | Soilmec S.p.A. | Drilling machine |
| CN106786185A (en) * | 2016-12-23 | 2017-05-31 | 上海久隆电力（集团）有限公司 | A kind of elevator laid for tunnel inner cable |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110169650A (en) * | 2019-06-03 | 2019-08-27 | 尹宏 | A kind of same table |
| CN110169650B (en) * | 2019-06-03 | 2022-04-08 | 尹宏 | Lifting table |
| CN111503983A (en) * | 2020-04-23 | 2020-08-07 | 长虹美菱股份有限公司 | Labor-saving lifting device for refrigerator partition frame |
| CN112938805A (en) * | 2021-01-29 | 2021-06-11 | 珠海校主太空科技有限公司 | Novel linkage principle device |
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Application publication date: 20190212 |