CN206409265U - A kind of foldable, extensible advance support - Google Patents
A kind of foldable, extensible advance support Download PDFInfo
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- CN206409265U CN206409265U CN201621418324.8U CN201621418324U CN206409265U CN 206409265 U CN206409265 U CN 206409265U CN 201621418324 U CN201621418324 U CN 201621418324U CN 206409265 U CN206409265 U CN 206409265U
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- support
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- advance
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Abstract
A kind of foldable, extensible advance support of the utility model, including multiple support brackets being hinged successively；From centre to both sides, it is driven to stretch or fold by the first drive mechanism between the two neighboring support bracket；The support bracket include body frame and be arranged at body frame side widen support；The bracket slide of widening is fixed on body frame, and by the driving of the second drive mechanism widen support on body frame it is flexible along tunnel length direction.Compared with prior art, the utility model is realized by multiple support brackets being hinged and carries out adaptability supporting to the irregular empty top zone just disclosed, you can according to the irregular shape of empty top zone, by adjusting the first drive mechanism, the irregular shape of supporting construction is realized.
Description
Technical field
The utility model is related to coal mine machineryization driving, the airborne advanced gib of developing, and more particularly to one kind can roll over
Folded, extensible advance support.
Background technology
At present, large-scale In Modern Mine, coal, the tunneling construction in rock gangway road all realize mechanization, more with roof bolting with barand wire mesh
Based on, driving speed is fast.But also there is very big potential safety hazard in actual production process.I.e.：After the completion of tunneling machine cutting,
Supporting operating personnel, which need to enter the empty top zone that has just disclosed, plays gib, often occurs that the top plate rubble that drops injures construction by a crashing object
Personnel, the wire netting and steel band of supporting roof are also required to arrive to top plate using monomer, and operating personnel will also enter empty top zone, also have
Steel band slides the accident case hurted sb.'s feelings, and takes the method for these gibs all to there is larger potential safety hazard and time-consuming longer.
Also have at present using airborne foreset, but their advanced gib is only adapted to than shallower
Top plate, it is difficult to adapt to the different changes of top plate：Such as pinnacle, oblique top, setback top, and area is smaller, do not reach to newly disclosing
Top plate carries out full face supporting, and its stroke is little, it is impossible to fold, and influences the performance of development machine, is brought not to operation
Just, it is difficult to adapt to the development level in current colliery.Devise this set airborne hydraulic is scalable to solve problem above spy and roll over
The advanced temporary support device of folded tunneling boring.
Utility model content
The purpose of this utility model is can there is provided one kind in order to solve the defect of advance support very flexible in the prior art
Fold, extensible advance support solves the above problems.
To achieve these goals, the technical solution of the utility model is as follows：
A kind of foldable, extensible advance support, including multiple support brackets being hinged successively；From centre to both sides, phase
It is driven to stretch or fold by the first drive mechanism between adjacent two support brackets；
The support bracket include body frame and be arranged at body frame side widen support；The bracket slide of widening is fixed
On body frame, and by the second drive mechanism driving widen support on body frame stretch.
It is preferred that, the body frame is the first support body being made up of rod member；The left bar of first support body, right bar and with a left side
The parallel intermediate bar of bar, right bar is hollow structure；The support of widening is the second support body being made up of rod member, second frame
Body includes two side rods and middle bar that bottom bar is parallel to each other with three be fixed on bottom bar；The side rod, middle bar, left bar, right bar,
Intermediate bar is parallel to each other；Two side rod is located in the left bar of the first support body, in right bar respectively；Is fixed with the intermediate bar
Two drive mechanisms；The middle bar of second support body is located in intermediate bar and driven by the second drive mechanism.
It is preferred that, it is provided with the both sides of the body frame and widens support；It is the mountain word being oppositely arranged that two, which are widened support,
Shape, is fixed with two in opposite direction second drive mechanisms of jacking in the intermediate bar, respectively to jacking two plus
Wide support.One of them the following table interplanar distance widened between two side rods of support for widening support described in two adds equal to another
Upper table interplanar distance between the wide side rod of support two.
It is preferred that, lengthening support is additionally provided with the support bracket in advance support two ends；The lengthening bracket slide is consolidated
Widening on support on the support bracket at advance support two ends is scheduled on, and support is lengthened by the driving of the 3rd drive mechanism and is stretched.
It is preferred that, the support that lengthens is by an expansion link and two horizontal strokes that be vertically fixed on expansion link two ends and parallel
The triframe body of bar formation；The bottom bar for widening support for folding support bracket both sides is hollow structure；The two cross bars difference
Two are located in widen in the bottom bar of support；Sleeve pipe is also arranged with outside the expansion link；Described sleeve pipe is slided along flexible rod axis；
The jacking end of 3rd drive mechanism is hinged in described sleeve pipe.
It is preferred that, on the sleeve pipe lengthened on support of both sides, also it has been respectively articulated with left shoulder nest retaining-plate and right shoulder nest branch
Backplate；The left shoulder nest retaining-plate and right shoulder nest retaining-plate drive it to deploy or fold by the 4th drive mechanism respectively.
It is preferred that, first drive mechanism, the second drive mechanism, the drive mechanism of the 3rd drive mechanism the 4th are oil
Cylinder；The two ends of first drive mechanism are hinged on the two neighboring body frame.
The utility model compared with prior art, has the advantages that：
1. the utility model is realized and the irregular empty top zone just disclosed is adapted to by multiple support brackets being hinged
Property supporting, you can according to the irregular shape of empty top zone, by adjusting the first drive mechanism, realize the irregular shape of supporting construction
Shape；
2. the widening structure for passing through both sides, it is possible to achieve accommodation is carried out to the empty top zone of different in width；
3. by lengthening support, the length of supporting construction can be adjusted；
4. pass through right and left shoulders nest retaining-plate, it is possible to achieve offside wall carries out supporting, provides safer for operating personnel
Operating area；
Fold support bracket be by the cooperation of flexible hinge member and oil cylinder make support bracket shrink, volume after folding compared with
Small, being fixed on does not influence any performance of development machine on cutting motor backplate, by controlling the first drive mechanism, the second driving machine
Structure, the 3rd drive mechanism, the 4th drive mechanism make it be stretched over maximum, can realize the back and side portion's shoulder to newly disclosing
Nest tunneling boring gib, speed, area, the intensity of supporting are above the other various gibs used at present.
Brief description of the drawings
Fig. 1 is the present invention looks up structural representation of the utility model embodiment 1；
Fig. 2 is Fig. 1 assembling structure schematic diagram；
Fig. 3 is the present invention looks up structural representation of embodiment 2；
Fig. 4 is the structural representation after Fig. 3 is drawn in；
Fig. 5 is the structural representation after Fig. 4 is folded；
Fig. 6 is the structural representation of embodiment 5；
Fig. 7 is the structural representation of embodiment 6；
Fig. 8 is the structural representation of mobile base in embodiment 8；
Fig. 9 is the structural representation after lifting support folding in embodiment 8；
Figure 10 is the structural representation after Fig. 9 deploys；
Figure 11 is the overall structure diagram of embodiment 8；
Figure 12, Figure 13 are respectively embodiment 8 operation and structural representation stopped operation in tunneling process.
Figure 14 is that embodiment 5 or 6 according to different by the structure of branch mask, illustrate by several supporting construction of accommodation
Figure；
Figure 15 is the structural representation after embodiment 5 or 6 is deployed and folded.
Embodiment
To make to have a better understanding and awareness to architectural feature of the present utility model and the effect reached, to compared with
Good embodiment and accompanying drawing coordinate detailed description, are described as follows：
The orientation such as " left, right, front and rear " for being previously mentioned in the utility model text title, is ginseng with Figure of description 1
According to.
Embodiment 1
As shown in Figure 1 and Figure 2, a kind of foldable, extensible advance support 1, including multiple support brackets being hinged successively
10；The number of support bracket 10 is generally even number, is easy to symmetrical folding.The support bracket 10 that the utility model is provided is 4.From
Centre drives it to stretch or fold between two neighboring support bracket 10 to both sides by the first drive mechanism 11.That is, left
Two, side support bracket 10 is driven by first drive mechanism 11, and two, the right support bracket 10 passes through 1 the first drive mechanism
11 drivings, the right and left mirror image is set.
Support bracket 10 include body frame 12 and be arranged on the side of body frame 12 widen support 13；Widen the slip of support 13 to be fixed on
On body frame 12, and by the second drive mechanism 14 driving widen support 13 on body frame 12 stretch.Sliding fixed mode has many
Kind, fixed mode is slided in such as socket, track.The utility model is specific as follows by the way of socket：
Body frame 12 is the first support body being made up of rod member；The left bar 121 of first support body, right bar 122 and with left bar 121,
The parallel intermediate bar 123 of right bar 122 is hollow structure；The support 13 of widening of its side is the second support body being made up of rod member,
Second support body include the left side bar 132 that bottom bar 131 and be fixed on bottom bar 131 three are parallel to each other, left side bar 132' and in
Bar 133；Left side bar 132, left side bar 132', middle bar 133, left bar 121, right bar 122, intermediate bar 123 are parallel to each other；Two left side bars
132 are located in the left bar 121 of the first support body, in right bar 122 respectively；The second drive mechanism 14 is fixed with intermediate bar 123；Second
The middle bar 133 of support body is located in intermediate bar 123 and driven by the second drive mechanism 14.It is two neighboring to add for the ease of folding
It is also articulated to together between width.
Embodiment 2
As shown in Fig. 3, Fig. 4, Fig. 5, in order that the width of advance support 1 is further increased, can be in body frame 12
Both sides all set and widen support 13.It is the epsilon-type structure being oppositely arranged that support 13 is widened in both sides.Accordingly, in intermediate bar
Two jackings the second drive mechanism 14 in opposite direction is fixed with 123；Two widen support 13 be set in body frame 12
In hollow structure.Make to pack up, the overall volume of advance support 1 is smaller, the utility model widens support using one of them
Following table interplanar distance between 13 two left side bars 132 is widened between the upper surface between 13 liang of left side bars 132 of support equal to another
Away from characteristic, make two widen support 13 draw in make, left side bar 132 overlaps, to reduce volume.Certainly, this needs master
The left bar 121 of frame 12, the intracavity diameter of right bar 122 slightly larger than two side rods diameter and.Certainly, widen support 13 and draw in for two
When can not also be overlapping, that is to say, that during gathering, two side rods for widening support are in coaxial state.
Embodiment 3
As shown in Figure 1 and Figure 2, on the basis of embodiment 1, the left side of the extending support body 10 in the left end of advance support 1
Lengthening support 15 is additionally provided with, the right of the extending support body 10 of right-hand member is equally also equipped with lengthening support 15.Lengthen support 15
Slip is fixed on widening on support 13 on the extending support body 10 of the left or right of advance support 1, and passes through the 3rd drive mechanism
16 drivings lengthen support 15 and stretched.Equally, lengthen support 15 has a variety of with widening the slip fixed form of support 13, can be set
Connect, or track is slidably connected.The utility model uses socket form, is specially：
It is by an expansion link 151 and two cross bars that be vertically fixed on the two ends of expansion link 151 and parallel to lengthen support 15
152 triframe bodies formed；The bottom bar 131 for widening support 13 for folding the side of support bracket 10 is hollow structure, and expansion link 151 is wrapped
Interior bar 1511 and outer bar 1512 are included, interior bar 1511 can be slided in outer bar 1512.The cross bar fixed with the interior bar 1511 of expansion link 151
152 are located in the bottom bar 131 for widening support 13, and the jacking end of the 3rd drive mechanism 16 is hinged on the outer bar of expansion link 151
On 1512.
Embodiment 4
As shown in Fig. 3, Fig. 4, Fig. 5, on the basis of embodiment 2, in the same manner as in Example 3, lengthening branch is also added at two ends
Frame 15.Difference is that two cross bars 152 of lengthening support 15 are located in two and widened in the bottom bar 131 of support 13 respectively.For
It is easy to the fixation of the 3rd drive mechanism 16, the utility model has added sleeve pipe 153 expansion link 151 is outer again, and sleeve pipe 153 can be outside
On bar 1512 slidably.The jacking end of 3rd drive mechanism 16 is hinged on sleeve pipe 153, so, when interior bar 1511, outer bar
1512 widen support 13 by two respectively when pulling to both sides, and expansion link 151 is slided in sleeve pipe 153, and the 3rd drive mechanism is not influenceed
16 position.
Embodiment 5
As shown in fig. 6, on the basis of embodiment 3, in the outer bar 1512 of the lengthening support 15 of both sides, being also respectively articulated with
Left shoulder nest retaining-plate 17 and right shoulder nest retaining-plate 17'.Left shoulder nest retaining-plate 17 and right shoulder nest retaining-plate 17' pass through 4 wheel driven respectively
Its expansion of the driving of motivation structure 18 is folded.The cylinder body of 4th drive mechanism 18 is hinged in outer bar 1512, and jacking end is hinged on shoulder
On the plate body of nest retaining-plate, when the 4th 18 jacking of drive mechanism, shoulder nest retaining-plate expansion, when the 4th drive mechanism 18 is shunk
When, shoulder nest retaining-plate folds into the lower section for folding support bracket 10, and as advance support 1 is when being softened, during in horizontality
Lower section.
Embodiment 6
As shown in fig. 7, on the basis of embodiment 4, in the outer bar 1512 of the lengthening support 15 of both sides, being also respectively articulated with
Left shoulder nest retaining-plate 17 and right shoulder nest retaining-plate 17'.The places different from the structure of embodiment 5 are, left shoulder nest retaining-plate 17 and the right side
Shoulder nest retaining-plate 17' is respectively hinged on the sleeve pipe 153 that two ends are lengthened on support 15, i.e., when lengthening the widening by both sides of support 15
When support 13 is stretched, in the presence of the 3rd drive mechanism 16, sleeve pipe 153, shoulder nest retaining-plate is also in lengthening support 15
Between position.
Embodiment 7
The left shoulder nest retaining-plate 17 and right shoulder nest retaining-plate 17' being previously mentioned in embodiment 5 and embodiment 6 may be designed in
The structure of width adjustable, structure is identical with the structure of support bracket 10, simply widens direction difference, will not be described in detail herein.
First drive mechanism 11 of the utility model offer, the second drive mechanism 14, the driving of the 3rd drive mechanism 16 the 4th
Mechanism 18 is oil cylinder.Wherein, two support brackets 10 on the left side of advance support 1 and two mirror images of support bracket 10 on the right are set,
Now by taking two support brackets 10 in the right of advance support 1 as an example, the cylinder body of the first drive mechanism 11 is hinged on the support bracket close to centre
10 intermediate vertical is on the body of rod of intermediate bar 123, and push rod top is hinged on adjacent the first support body of retaining frame of support bracket 10
On the left bar 121 of frame.
Second drive mechanism 14 is the oil cylinder being arranged in the intermediate bar 123 of support bracket 10, the intermediate bar of each support bracket 10
One (embodiment 1) the second drive mechanism 14 or two (embodiment 2) jackings the second driving machine in opposite direction are all fixed in 123
Structure 14, support 13 is widened to the both sides of jacking support bracket 10 respectively.
The above-mentioned all oil cylinders of support bracket 10, are arranged at the lower section of advance support 1, and pin joint can pass through cylinder support
It is fixed, it is easy to the transmission of power.
Embodiment 8
As shown in figure 11, a kind of liftable, folding machine-carried forepoling device, applied on development machine；Including rising
Falling unit, advance support 1；Advance support 1 is any one advance support 1 of above-described embodiment 1-7；Advance support 1 is fixed on lifting
On device, lowering or hoisting gear is fixed on development machine.In order to make it easy to understand, mobile base 2 in Figure 11 be overlooking the structure diagram,
Lifting support 3 is that side structure schematic view, advance support 1 are present invention looks up structural representation.
As shown in figure 8, lowering or hoisting gear includes mobile base 2, lifting support 3；Lifting support 3 is fixed on base.Activity
Base 2 includes firm banking 21 and Telescopic base 22；Firm banking 21 is fixed by high-strength bolt on development machine.Telescopic base
22, which slide through high-strength bolt, is fixed on firm banking 21, and drives Telescopic base 22 in fixation by a telescoping drive mechanism 23
Slided on base 21.Telescoping drive mechanism 23 is oil cylinder.
Firm banking 21 is a rectangular frame structure, and Telescopic base 22 is also a rectangular frame structure, in firm banking 21
On open up slide rail, be provided with the lower section of Telescopic base 22 with slide rail coordinate sliding block, Telescopic base is driven by telescopic oil cylinder
22 advance or retreat on firm banking 21.The cylinder body of telescopic oil cylinder is articulated on firm banking 21, and push rod top, which is articulated in, stretches
On contracting base 22.
As shown in Figure 9, Figure 10, respectively symmetrically it is fixed with lifting support 3 in the both sides of Telescopic base 22.Lifting support 3 is wrapped
Include and lift drive mechanism 31 and lift crane 32；Crane 32 is lifted for the scalable body of rod of L-shaped, its one end is telescopic end 321,
The other end is the fixing end being articulated on Telescopic base 22；The one end for lifting drive mechanism 31 is articulated in the side lever of Telescopic base 22
On, the other end is articulated in the lower surface at the L-shaped structure turning for lifting crane 32.Telescopic end 321 is also pivotally connected front rack work
Arm 33；Front rack working arm 33 is the L-shaped body of rod；A front rack is also pivotally connected in the upper surface for lifting crane 32L shapes turning to lift
Drive mechanism 34；Front rack lifts drive mechanism 34 and the L-shaped turning lower surface of front rack working arm 33 is pivotally connected.Front rack works
One end of arm 33 is the pivot end with lifting the pivot joint of the telescopic end 321 of crane 32, and other end slip is fixed one and stretched by front rack
The front rack telescopic arm 35 that drive mechanism 36 drives；Front rack telescoping drive mechanism 23 drives front rack telescopic arm 35 along front rack
The axis of working arm 33 advances or setback；The direction of advance of front rack telescopic arm 35 is opposite with the direction of advance of telescopic end 321.
It is oil cylinder to lift drive mechanism 31, front rack and lift drive mechanism 34, front rack telescoping drive mechanism 36.Lift
Drive mechanism 31, front rack lift drive mechanism 34, front rack telescoping drive mechanism 36, lift crane 32, front rack work
The axis of arm 33 is in same vertical plane, to ensure the function of regulating height thereof of lifting support 3.
When lifting support 3 is opened completely, front rack telescopic arm 35 is horizontality.The top of two front rack telescopic arms 35
End is fixed by the support bracket 10 of centre two of a connection piece and four support brackets 10 respectively, is also at support bracket 10 horizontal
State.Certainly, for flexible supporting, support bracket 10 is pin-jointed structure with connector, in order to adapt to the empty top zone of certain slope.
As shown in Figure 12 and Figure 13, in specific works, according to actual needs, before and after can adjust supporting by mobile base 2
Position, the height of supporting is can adjust by lifting support 3, and the width and length of supporting are can adjust by advance support 1, or even can
, will by adjusting the first drive mechanism 11, the 3rd drive mechanism 16, the 4th drive mechanism 18 with the flatness according to branch mask
Multiple support brackets 10 adjust rectangular, arch, trapezoidal or irregular shape, to adapt to by the shape requirements of branch mask.
As shown in Figure 14, Figure 15, the utility model avoids the weak point of above-mentioned existing gib, discloses one kind
Full face airborne advanced temporary support device that is scalable, folding, to solve to need operating personnel to enter in existing construction technology
Enter the empty top zone operation newly disclosed, security risk is big, the low construction technology problem of efficiency, can be achieved complete to the empty top zone newly disclosed
The gib of section, rhombus net, M steel bands, channel-section steel to supporting etc. disposably arrive to position, it is ensured that the peace of workmen
Entirely, the purpose of operating efficiency is improved.The gib telescopic folding amount very much not influences the operations performance of development machine, and it is propped up
Shield intensity, speed are all far longer than the monomer gib used at present and the supporting of existing other piggyback temporary supports, shut out
The casualty accident for falling top flat side absolutely occurs, and reduces the labor intensity of workman, reduces production cost, remove a hidden danger.The supporting
Frame 10 change shape can adapt to different top plate changes as needed, such as：Flat-top, arch top, oblique top, gable-top etc., can be achieved
Anchor girder net, trapezoidal canopy, U-shaped canopy are lifted；Realized by controllable deformation above to longitudinal 1.0--1.9m, horizontal 3.6-
Tunneling boring and two gibs for helping shoulder nest at the top of 6.0m new exposure empty top zone.
The set support bracket 10 has what six pieces of small framves that can be folded were formed by connecting by special hinge member, and it can be achieved
Flexibly, reliable and conformability.
General principle of the present utility model, principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply principle of the present utility model, the utility model also has respectively on the premise of the utility model spirit and scope are not departed from
Changes and improvements are planted, these changes and improvements are both fallen within the range of claimed the utility model.The utility model requirement
Protection domain defined by appended claims and its equivalent.
Claims (8)
1. a kind of foldable, extensible advance support, it is characterised in that：Including multiple support brackets (10) being hinged successively；From
Driven to both sides between the two neighboring support bracket (10) by the first drive mechanism (11) centre of advance support length direction
It is moved to stretch or fold；
The support bracket (10) include body frame (12) and be arranged at body frame (12) side widen support (13)；It is described to widen
Support (13) is slided and is fixed on body frame (12), and widens support (13) in body frame (12) by the second drive mechanism (14) driving
On it is flexible along tunnel length direction.
2. a kind of foldable, extensible advance support according to claim 1, it is characterised in that：It is described to widen support
(13) with body frame (12) using socket.
3. a kind of foldable, extensible advance support according to claim 1, it is characterised in that：The body frame (12)
For the first support body being made up of rod member, including left bar (121), right bar (122) and parallel with left bar (121), right bar (122)
Intermediate bar (123) is hollow structure；The support (13) of widening is the second support body being made up of rod member, the second support body bag
Include bottom bar (131) and left side bar that be fixed on bottom bar (131) three be vertically fixed on bottom bar (131) are parallel to each other
(132), the right bar (132 ') and middle bar (133)；The left side bar (132), the right bar (132 '), middle bar (133), left bar
(121), right bar (122), intermediate bar (123) are parallel to each other；Two side rod be located in respectively the first support body left bar (121),
In right bar (122)；The second drive mechanism (14) is fixed with the intermediate bar (123)；The middle bar (133) of second support body is located in
Driven in intermediate bar (123) and by the second drive mechanism (14).
4. a kind of foldable, extensible advance support according to claim 3, it is characterised in that：In the body frame
(12) both sides, which are provided with, widens support (13)；Two are widened support (13) to be oppositely arranged, in the intermediate bar (123)
Be fixed with two in opposite direction second drive mechanisms (14) of jacking, respectively to jacking two widen support (13)；Two
Individual described one of them following table interplanar distance widened between two side rods of support (13) for widening support (13) adds equal to another
Upper table interplanar distance between the wide side rod of support (13) two.
5. a kind of foldable, extensible advance support according to claim 4, it is characterised in that：In advance support
Also slided on the support bracket (10) at two ends and be fixed with lengthening support (15)；The lengthening support (15), which is slided, to be separately fixed in advance
Widening on support (13) on the support bracket (10) at supporting two ends, and support (15) is lengthened by the driving of the 3rd drive mechanism (16)
It is flexible.
6. a kind of foldable, extensible advance support according to claim 5, it is characterised in that：The lengthening support
(15) be by an expansion link (151) be vertically fixed on expansion link (151) two ends and parallel two cross bars (152) are formed
Triframe body；The bottom bar (131) for widening support (13) for folding support bracket (10) both sides is hollow structure；Two cross bar
(152) two are located in respectively to widen in the bottom bar (131) of support (13)；Sleeve pipe is also arranged with outside in the expansion link (151)
(153)；Described sleeve pipe (153) is slided along expansion link (151) axis；The jacking end of 3rd drive mechanism (16) is hinged on institute
State on sleeve pipe (153).
7. a kind of foldable, extensible advance support according to claim 6, it is characterised in that：Lengthening in both sides
On sleeve pipe (153) on support (15), left shoulder nest retaining-plate (17) and right shoulder nest retaining-plate (17 ') have also been respectively articulated with；It is described
Left shoulder nest retaining-plate (17) and right shoulder nest retaining-plate (17 ') drive it to deploy or fold by the 4th drive mechanism (18) respectively.
8. a kind of foldable, extensible advance support according to claim 4, it is characterised in that：First driving
Mechanism (11), the second drive mechanism (14), the drive mechanism (18) of the 3rd drive mechanism (16) the 4th are oil cylinder；Described first drives
The two ends of motivation structure (11) are hinged on the two neighboring body frame (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621418324.8U CN206409265U (en) | 2016-12-22 | 2016-12-22 | A kind of foldable, extensible advance support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621418324.8U CN206409265U (en) | 2016-12-22 | 2016-12-22 | A kind of foldable, extensible advance support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206409265U true CN206409265U (en) | 2017-08-15 |
Family
ID=59550181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621418324.8U Expired - Fee Related CN206409265U (en) | 2016-12-22 | 2016-12-22 | A kind of foldable, extensible advance support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206409265U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106703855A (en) * | 2016-12-22 | 2017-05-24 | 淮南矿业(集团)有限责任公司 | Foldable and extensible advanced support |
-
2016
- 2016-12-22 CN CN201621418324.8U patent/CN206409265U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106703855A (en) * | 2016-12-22 | 2017-05-24 | 淮南矿业(集团)有限责任公司 | Foldable and extensible advanced support |
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