CN106522231B - A kind of telescopic jib - Google Patents
A kind of telescopic jib Download PDFInfo
- Publication number
- CN106522231B CN106522231B CN201611198740.6A CN201611198740A CN106522231B CN 106522231 B CN106522231 B CN 106522231B CN 201611198740 A CN201611198740 A CN 201611198740A CN 106522231 B CN106522231 B CN 106522231B
- Authority
- CN
- China
- Prior art keywords
- cantilever crane
- sliding rail
- shield
- rail
- telescopic jib
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005452 bending Methods 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005086 pumping Methods 0.000 description 3
- 230000003796 beauty Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012913 prioritisation Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/102—Removable shuttering; Bearing or supporting devices therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
- E21D11/107—Reinforcing elements therefor; Holders for the reinforcing elements
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Civil Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Paleontology (AREA)
- Jib Cranes (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The present invention provides a kind of telescopic jibs, which is characterized in that including the first cantilever crane and the second cantilever crane, second cantilever crane can stretch in first cantilever crane；It further include the A shield being connected on first cantilever crane and second cantilever crane, the A shield is covered on the top of second cantilever crane, the front end of the A shield is fixed at the front end of second cantilever crane, first cantilever crane is equipped with A sliding rail, the A shield is equipped with A sliding block corresponding with the A sliding rail, and the A shield can be along the A sliding rail and the second cantilever crane synchronization telescope.Telescopic jib A shield provided by the invention can be by the cooperation of A sliding block and A sliding rail, and along A sliding rail and the second cantilever crane synchronization telescope, shield is provided for cantilever crane and is effectively protected, and solves the problems, such as the concrete of drippage to fall on cantilever crane and cantilever crane is caused to wear.
Description
Technical field
The invention belongs to engineering machinery fields, and in particular to a kind of telescopic jib of concrete sprayer.
Background technique
Concrete ejection equipment, such as concrete spraying machine, often use in tunnel environment.Its working environment is severe,
And the concrete ejected is easy to fall.Measure is effectively protected in existing wet-spraying machine cantilever crane shortage, and concrete is once fallen
It on cantilever crane, can solidify in a short time, be easy to cause the abrasion of cantilever crane.
Summary of the invention
Technical problem to be solved by the present invention lies in: a kind of telescopic jib with protective device is provided.On solving
Technical problem is stated, the technical solution adopted by the present invention is that:
A kind of telescopic jib, including the first cantilever crane and the second cantilever crane, the second cantilever crane can stretch in the first cantilever crane；Also
Including the A shield being connected on the first cantilever crane and the second cantilever crane.Wherein, A shield is covered on the top of the second cantilever crane, A shield
Front end is fixed at one end far from the first cantilever crane after the second cantilever crane stretches out, and the outer wall of the first cantilever crane is equipped with A sliding rail, A shield
Cover is equipped with A sliding block corresponding with A sliding rail, and A shield can be along A sliding rail and the second cantilever crane synchronization telescope, also, described second
When cantilever crane is in maximum elongation position, the A sliding block (33) is remained on the A sliding rail (32).
Preferably, in above scheme, the cross section of A sliding rail is C-shaped of the opening backwards to the first cantilever crane, and A sliding block is correspondingly embedded in A
In the c-shaped opening of sliding rail.Wherein, the quantity of A sliding rail is no less than two, is respectively equipped with A sliding rail in the two sides of the first cantilever crane.
It further include further third cantilever crane in a kind of preferred embodiment of the present invention for the length for increasing cantilever crane
With B shield, third cantilever crane can stretch in the second cantilever crane, and B shield is covered on the top of third cantilever crane, the front end of B shield
It is fixed at the front end of third cantilever crane, the outer surface of A shield is equipped with B sliding rail, and B shield is sliding equipped with B corresponding with B sliding rail
Block, B shield can be along B sliding rails and third cantilever crane synchronization telescope.
Wherein, in above scheme the cross-sectional shape of so-called A sliding rail or B sliding rail include but is not limited to rectangle, it is I-shaped,
The C-shaped that Open Side Down.
Since the telescopic oil cylinder in telescopic arm must be manipulated by hydraulic hose, existing hydraulic hose it is exposed
Outside, it cannot also protect.For effective protection hydraulic hose and pumping hose, in a kind of preferred embodiment of the present invention, A
Shield is equipped with the occlusion part for blocking the second cantilever crane two sides, and the quantity of B sliding rail is no less than two, wherein at least one B sliding rail is to open
Mouthful downward C-shaped sliding rail, c-type sliding rail are arranged on the occlusion part of A shield, and the downward opening of c-type sliding rail is equipped with inwardly curved
Folding part, the interior small rail car being equipped with for suspension hydraulic hose and/or pump tubing length of c-type sliding rail, small rail car can be in bending part
On moved along the telescopic direction of third cantilever crane.
Preferably, in order to improve the stability that shield slides, the quantity of the A sliding rail in above scheme is no less than two,
The two sides of first cantilever crane are respectively equipped with A sliding rail.
It is added to the concrete of accelerator since concrete sprayer generallys use, the concrete setting speed after falling
Fastly, concrete, which is fallen in, also will affect beauty on shield, it is highly preferred that being equipped with outside protective covers on A shield and B shield, protection is outer
Protection can not only be provided for shield on cover, the concrete of adhesion thereon is also easier to clear up.
It is highly preferred that the section of the first above-mentioned cantilever crane, the second cantilever crane, third cantilever crane is heptagon, heptagonal
Top is the supporting surface of falling V, and heptagonal lower part is the positive V-arrangement supporting surface of unfilled corner.In the prior art, concrete sprayer is flexible
Arm section generallys use quadrilateral structure, since the telescopic arm of quadrangle only has upper and lower two lateral forces at work, influences
The stability of cantilever crane.And inverted V type supporting surface can provide the support force of side, and the positive V-arrangement supporting surface of lower part unfilled corner for cantilever crane
Support effect it is also more preferable.
Telescopic jib provided by the invention is equipped with A sliding rail on the first cantilever crane, is equipped with A shield at the top of the second cantilever crane,
Front end on A shield equipped with A sliding block A shield corresponding with A sliding rail is fixed at the front end of the second cantilever crane, and A shield can
By the cooperation of A sliding block and A sliding rail, along A sliding rail and the second cantilever crane synchronization telescope, shield is provided for cantilever crane and is effectively protected,
Solving the problems, such as the concrete of drippage to fall on cantilever crane causes cantilever crane to wear.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only to be
It more fully understands the present invention, and should not be construed limitation of the present invention.For those of ordinary skill in the art, exist
Under the premise of not making the creative labor, other attached drawings can also be obtained according to the attached drawing of offer.
Fig. 1 is a kind of jib structure schematic diagram of preferred embodiment of the present invention；
Fig. 2 is the structural schematic diagram of cantilever crane shown in FIG. 1 in the direction of the arrow；
Fig. 3 is the jib structure schematic diagram of second of preferred embodiment of the invention；
Fig. 4 is the structural schematic diagram of cantilever crane shown in Fig. 3 in the direction of the arrow；
Fig. 5 is the partial enlarged view of part A in Fig. 4
Specific embodiment
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
The attached drawing in example is applied, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described implementation
Example is merely a part but not all of the embodiments of the present application.
Embodiment one
Telescopic jib provided in this embodiment, including the first cantilever crane 1 and the second cantilever crane 2, the second cantilever crane 2 can be in the first cantilever cranes
It stretches in 1；It further include the A shield 3 being connected on the first cantilever crane 1 and the second cantilever crane 2, A shield 3 is covered on the second cantilever crane 2
Top, the front end of A shield 3 is fixedly connected by connecting plate 31 with the front end of the second cantilever crane 2, and the first cantilever crane 1 is equipped with A sliding rail
32, A shields 3 be equipped with A sliding block 33 corresponding with A sliding rail 32, A shield 3 can along 2 synchronization telescope of A sliding rail 32 and the second cantilever crane,
Also, when second cantilever crane is in maximum elongation position, the A sliding block 33 is remained on the A sliding rail 32.
Wherein, the cross-sectional shape of A sliding rail 32 be rectangle, be also possible to it is I-shaped, be also possible to the C-shaped that Open Side Down, A
The correspondence of sliding block 33 is wrapped on A sliding rail 32, and A sliding block 33 can be slided along A sliding rail 32.
In addition, the cross section of A sliding rail 32 can also be opening backwards to the C-shaped of the first cantilever crane 1, it is sliding that A sliding block 33 is correspondingly embedded in A
In the c-shaped opening of rail 32, A sliding block 33 can be slided in A sliding rail 32 along A sliding rail 32.
Telescopic jib provided in this embodiment is equipped with A sliding rail on the first cantilever crane, protects at the top of the second cantilever crane equipped with A
Cover, the front end on A shield equipped with A sliding block A shield corresponding with A sliding rail are fixed at the front end of the second cantilever crane, A shield
Can be by the cooperation of A sliding block and A sliding rail, along A sliding rail and the second cantilever crane synchronization telescope, shield provides effective guarantor for cantilever crane
Shield, solves the problems, such as the concrete of drippage to fall on cantilever crane and cantilever crane is caused to wear.
Embodiment two
For the length for increasing cantilever crane, the present embodiment further includes third cantilever crane 4 and B shield 5 on the basis of example 1, the
Three cantilever cranes 4 can stretch in the second cantilever crane 2, and B shield 5 is covered on the top of third cantilever crane 4, and the front end fixation of B shield 5 is set
It sets in the front end of third cantilever crane 4, the outer surface of A shield 3 is equipped with B sliding rail 51, and B shield 5 is equipped with B corresponding with B sliding rail 51
Sliding block 52, B shield 5 can be along B sliding rails 51 and 4 synchronization telescope of third cantilever crane.
Wherein, the cross-sectional shape of so-called B sliding rail 51 includes but is not limited to rectangle, I-shaped, opening in above scheme
Downward C-shaped, the correspondence of B sliding block 52 are wrapped on B sliding rail 51, and B sliding block 52 can be slided along B sliding rail 51.
In addition, the cross section of B sliding rail 51 can also be opening backwards to the C-shaped of the first cantilever crane 1, it is sliding that B sliding block 52 is correspondingly embedded in B
In the c-shaped opening of rail 51, B sliding block 52 can be slided in B sliding rail 51 along B sliding rail 51.
Embodiment three
Since the telescopic oil cylinder in telescopic arm must be manipulated by hydraulic hose, existing hydraulic hose it is exposed
Outside, it cannot also protect.In order to effective protection hydraulic hose and pumping hose, the present embodiment on the basis of example 2 just like
Lower improvement:
A shield 3 is equipped with the occlusion part 34 for blocking 2 two sides of the second cantilever crane, and the quantity of B sliding rail 51 has two, wherein a B
Sliding rail 51 is the C-shaped sliding rail that Open Side Down, and c-type sliding rail is arranged on the occlusion part 34 of A shield 3, the downward opening of c-type sliding rail
Equipped with bending part 511 inwardly, the small rail car 53 for suspension hydraulic hose or pump tubing length, track are equipped in c-type sliding rail
Trolley 53 can the telescopic direction on bending part 511 along third cantilever crane 4 move.
Using the scheme of this example, hydraulic hose or pumping hose can follow small rail car 53 to realize phase with cantilever crane
To sliding, avoid because cantilever crane it is flexible caused by hydraulic hose or pump hose overflexing.
In addition, the shape of B sliding rail can also be I-shaped, small rail car can embrace the lower section for being clipped in I-shaped track, along B
Sliding rail is slided.
Above-mentioned whole embodiments can also carry out following improvement:
A sliding rail as further prioritization scheme, in order to improve the stability of shield sliding, in above-mentioned whole embodiments
32 quantity is no less than two, is respectively equipped with A sliding rail 32 in the two sides of the first cantilever crane 1.
It is added to the concrete of accelerator since concrete sprayer generallys use, the concrete setting speed after falling
Fastly, concrete, which is fallen in, also will affect beauty on shield, outside protective covers, such as PVC plastic can be arranged on A shield 3 and B shield 5
Expect outer cover, protection can not only be provided for shield on PVC plastic outer cover, the concrete of adhesion thereon is also easier to clear up.
In the prior art, the telescopic arm section of concrete sprayer generallys use quadrilateral structure, due to stretching for quadrangle
Contracting arm only has upper and lower two lateral forces at work, influences the stability of cantilever crane.It is highly preferred that the first above-mentioned cantilever crane 1,
Second cantilever crane 2, third cantilever crane 4 section be heptagon, heptagonal top be the supporting surface of falling V, heptagonal lower part is
The positive V-arrangement supporting surface of unfilled corner.And inverted V type supporting surface can provide the support force of side, and the positive V-arrangement branch of lower part unfilled corner for cantilever crane
The support effect in support face is also more preferable.
The above is only the specific embodiment of the application, it is noted that for the ordinary skill of the art
For personnel, the improvement without creative work made under the premise of not departing from the application principle is all considered as the application's
Protection scope.
Claims (10)
1. a kind of telescopic jib, which is characterized in that including the first cantilever crane (1) and the second cantilever crane (2), second cantilever crane (2) can
It stretches in first cantilever crane (1)；It further include the A being connected on first cantilever crane (1) and second cantilever crane (2)
Shield (3), the A shield (3) are covered on the top of second cantilever crane (2), and the front end of the A shield (3) is fixed at
The outer wall of one end far from first cantilever crane after second cantilever crane (2) is stretched out, first cantilever crane (1) is equipped with A sliding rail
(32), the A shield (3) is equipped with A sliding block (33) corresponding with A sliding rail (32), and the A shield (3) can be along the A
Sliding rail (32) and the second cantilever crane (2) synchronization telescope, also, when second cantilever crane is in maximum elongation position, the A
Sliding block (33) remains on the A sliding rail (32)；
A sliding block (33) correspondence is wrapped on A sliding rail (32), or, A sliding block (33) is correspondingly embedded in A sliding rail (32), A sliding block (33)
It can be slided along A sliding rail (32).
2. telescopic jib according to claim 1, it is characterised in that: the quantity of the A sliding rail (32) is no less than two, institute
The two sides for stating the first cantilever crane (1) are respectively equipped with the A sliding rail (32).
3. telescopic jib according to claim 1, it is characterised in that: it further include third cantilever crane (4) and B shield (5), it is described
Third cantilever crane (4) can stretch in second cantilever crane (2), and the B shield (5) is covered on the third cantilever crane (4)
Top, the front end of the B shield (5) are fixed at the front end of the third cantilever crane (4), and the outer surface of the A shield (3) is set
Have B sliding rail (51), the B shield (5) is equipped with B sliding block (52) corresponding with B sliding rail (51), and the B shield (5) can
Along the B sliding rail (51) and third cantilever crane (4) synchronization telescope.
4. telescopic jib according to claim 3, it is characterised in that: the cross of the A sliding rail (32) and/or B sliding rail (51)
Cross sectional shape includes following any: rectangle, the C-shaped that I-shaped, Open Side Down, the A sliding block (33) and the B sliding block (52)
Correspondence is wrapped on the A sliding rail (32) and the B sliding rail (51).
5. telescopic jib according to claim 3, it is characterised in that: the A shield (3) is equipped with and blocks second cantilever crane
(2) quantity of the occlusion part (34) of two sides, the B sliding rail (51) is no less than two.
6. telescopic jib according to claim 5, it is characterised in that: B sliding rail (51) described at least one is that Open Side Down
C-shaped sliding rail, the C-shaped sliding rail is arranged on the occlusion part (34) of the A shield (3), the downward opening of the C-shaped sliding rail
It is equipped with equipped with bending part (511) inwardly, in the C-shaped sliding rail small for the track of suspension hydraulic hose and/or pump tubing length
Vehicle (53), the small rail car (53) can move on the bending part (511) along the telescopic direction of the third cantilever crane (4).
7. telescopic jib according to claim 5, it is characterised in that: B sliding rail (51) described at least one is I-shaped cunning
Rail, the I-shaped sliding rail are equipped with the small rail car for suspension hydraulic hose and/or pump tubing length, and the small rail car is embraced
It is clipped in the lower section of I-shaped sliding rail, the B sliding block correspondence is wrapped on the B sliding rail.
8. according to telescopic jib described in claim 3-7 any one, it is characterised in that: the A shield (3) and/or B shield
Outside protective covers are also covered on cover (5).
9. telescopic jib described in -7 any one according to claim 1, it is characterised in that: first cantilever crane (1), described
The section of second cantilever crane (2) is heptagon, is the supporting surface of falling V on the heptagonal top, the heptagonal lower part is
The positive V-arrangement supporting surface of unfilled corner.
10. according to telescopic jib described in claim 3-7 any one, it is characterised in that: the third cantilever crane (4) is broken
Face is heptagon, is the supporting surface of falling V on the heptagonal top, the heptagonal lower part is that the positive V-arrangement of unfilled corner supports
Face.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621293388 | 2016-11-29 | ||
| CN201621293388X | 2016-11-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106522231A CN106522231A (en) | 2017-03-22 |
| CN106522231B true CN106522231B (en) | 2019-04-02 |
Family
ID=58340662
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611198740.6A Active CN106522231B (en) | 2016-11-29 | 2016-12-22 | A kind of telescopic jib |
| CN201621416982.3U Withdrawn - After Issue CN206928297U (en) | 2016-11-29 | 2016-12-22 | A kind of telescopic jib |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621416982.3U Withdrawn - After Issue CN206928297U (en) | 2016-11-29 | 2016-12-22 | A kind of telescopic jib |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN106522231B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106522231B (en) * | 2016-11-29 | 2019-04-02 | 湖南五新隧道智能装备股份有限公司 | A kind of telescopic jib |
| CN108756739B (en) * | 2018-06-04 | 2021-04-27 | 湖南五新隧道智能装备股份有限公司 | Telescopic boom and drill jumbo |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06294213A (en) * | 1993-04-08 | 1994-10-21 | Fujita Corp | Concrete levelling machine |
| CN202000675U (en) * | 2010-11-18 | 2011-10-05 | 徐工集团工程机械股份有限公司建设机械分公司 | Concrete gunniting cart and telescopic arm thereof |
| CN202370538U (en) * | 2011-08-25 | 2012-08-08 | 三一重工股份有限公司 | Telescopic protective cover and concrete wet spraying machine |
| CN206928297U (en) * | 2016-11-29 | 2018-01-26 | 湖南五新隧道智能装备股份有限公司 | A kind of telescopic jib |
-
2016
- 2016-12-22 CN CN201611198740.6A patent/CN106522231B/en active Active
- 2016-12-22 CN CN201621416982.3U patent/CN206928297U/en not_active Withdrawn - After Issue
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06294213A (en) * | 1993-04-08 | 1994-10-21 | Fujita Corp | Concrete levelling machine |
| CN202000675U (en) * | 2010-11-18 | 2011-10-05 | 徐工集团工程机械股份有限公司建设机械分公司 | Concrete gunniting cart and telescopic arm thereof |
| CN202370538U (en) * | 2011-08-25 | 2012-08-08 | 三一重工股份有限公司 | Telescopic protective cover and concrete wet spraying machine |
| CN206928297U (en) * | 2016-11-29 | 2018-01-26 | 湖南五新隧道智能装备股份有限公司 | A kind of telescopic jib |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106522231A (en) | 2017-03-22 |
| CN206928297U (en) | 2018-01-26 |
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