CN205170234U - Cantilever crane - Google Patents
Cantilever crane Download PDFInfo
- Publication number
- CN205170234U CN205170234U CN201521008116.6U CN201521008116U CN205170234U CN 205170234 U CN205170234 U CN 205170234U CN 201521008116 U CN201521008116 U CN 201521008116U CN 205170234 U CN205170234 U CN 205170234U
- Authority
- CN
- China
- Prior art keywords
- tensioning member
- cantilever beam
- column
- cantilever
- pulling seat
- 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.)
- Expired - Fee Related
Links
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Jib Cranes (AREA)
Abstract
The utility model discloses a cantilever crane has solved because of boom tie and stand and cantilever crossbeam fixed connection, and when causing boom tie to overhaul, the staff can only arrive and carry out long -time maintenance to boom tie on the cantilever crossbeam, owing to the cantilever crossbeam is higher apart from ground for the staff overhauls the easy problem that produces fatigue and meet accident in long -time high altitude, and its technical scheme main points are cantilever crane, include cantilever beam and the stand that is used for supporting the cantilever beam, cantilever beam and stand between be equipped with the tensioning member, tensioning member one end and stand articulated, the other end and cantilever beam be through removing subassembly sliding connection, makes the tensioning member remove toward the stand direction through removing the subassembly, conveniently take off the tensioning member from cantilever beam and stand, has reached to avoid the long -time high altitude of staff to overhaul and the purpose that meets accident.
Description
Technical field
The utility model relates to a kind of hoisting crane, and more particularly, it relates to a kind of boom crane.
Background technology
Boom crane is also called cantilever crane, it is the middle-size and small-size hoisting equipment that developed recently gets up, structure is unique, safe and reliable, possess the features such as efficient, energy-conservation, time saving and energy saving, flexible, three-dimensional space obtains interior random operation, in the occasion of section apart from the allocation and transportation of, intensive, than other routinely handling appliance more show its preceence.Be widely used in the different places of various industry.
At present, application number be 201420551669.5 Chinese patent disclose a kind of boom crane, it comprises column, cantilever beams and the walking walking dolly in described cantilever beams, also comprise the LOAD CELLS of the lifting weight for measuring walking dolly, be provided with boom tie between described cantilever beams and described column, described LOAD CELLS is arranged on the junction of described boom tie and column or is arranged on the junction of described boom tie and cantilever beams; Or described boom tie comprises two joints, two joint boom ties are serially connected by described LOAD CELLS.Although this boom crane structure is simple, but because boom tie is fixedly connected with cantilever beams with column, when causing boom tie to need to overhaul, staff can only overhaul for a long time boom tie on cantilever beams, because cantilever beams distance ground is higher, the long high-altitude maintenance of staff is made easily to produce fatigue and meet accident.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is the boom crane providing a kind of convenient maintenance.
For achieving the above object, the utility model provides following technical scheme: a kind of boom crane, comprise cantilever beam and the column for support cantilever beam, tensioning member is provided with between described cantilever beam and column, described tensioning member one end and column hinged, the other end and cantilever beam are by moving assembly sliding block joint.
By adopting technique scheme, due at ordinary times in order to support cantilever beam, tensioning member is tightened, one end of tensioning member and column is allowed to fix, the other end and cantilever beam are fixed, when needs overhaul time, moving assembly is unclamped, tensioning member can be made to slide along cantilever beam toward column direction, make tensioning member no longer tight, thus the two ends of tensioning member are separated with cantilever beam with column easily, staff is facilitated to be taken off from this boom crane by tensioning member, be placed on the ground and overhaul, thus avoid the security risk that the long-time high-altitude maintenance of staff brings.
The utility model is set to further: described moving assembly comprises the first pulling seat, groove and projection, the first described pulling seat comprises the first fixed part and the first connecting portion, the first described connecting portion is fixedly connected with tensioning member, described projection is fixing on a cantilever beam, the first described fixed part arranges groove, the first described fixed part is by groove along protruding mobile, and the first described fixed part is connected with cantilever beam by latch-up structure.
By adopting technique scheme, by tensioning member is fixedly connected with the first connecting portion, first fixed part moves along protrusion direction, when the first pulling seat moves along the protruding past direction away from column, tensioning member can be tightened, again the first pulling seat is fixed by latch-up structure and cantilever beam, tensioning member can be made to haul cantilever beam, cantilever beam is avoided to bend because of the Action of Gravity Field of weight, when needs overhaul, latch-up structure is come loose, again the first pulling seat is moved toward the direction near column, make tensioning member no longer tight, thus facilitate staff to be taken off from column and the first pulling seat at the two ends of tensioning member, be placed on the ground and overhaul, avoid long-time high-altitude maintenance work and meet accident.
The utility model is set to further: described latch-up structure comprises the first locking piece and the second locking piece, the first described fixed part is provided with the first through hole, described cantilever beam is provided with the second through hole, and the first described locking piece coordinates through the first through hole, the second through hole and the second locking piece successively.
By adopting technique scheme, in order to make, latch-up structure is convenient to be fixed and dismounting the first pulling seat and cantilever beam, at the first fixed part, the first through hole is set, cantilever beam arranges the second through hole, first locking piece is coordinated with the second locking piece through first, second through hole, the first pulling seat and cantilever beam can be made to fix, when needs overhaul, only first, second locking piece need be separated, the first pulling seat can be made to be separated with cantilever beam.
The utility model is set to further: be provided with turnbuckle between described tensioning member and the first pulling seat, the first described connecting portion is provided with third through-hole, one end of described turnbuckle is fixedly connected with tensioning member one end near cantilever beam, and the other end is fixedly connected with the first connecting portion by third through-hole.
By adopting technique scheme, by one end of turnbuckle and tensioning member are fixed, the other end and extension section are fixed, when turnbuckle rotates, tensioning member can be made to elongate or shorten, cause tensioning member tensioning or loosen, when needs maintenance, turnbuckle is rotated, first makes tensioning member loosen, facilitate the first pulling seat to be separated with cantilever beam.
The utility model is set to further: described column is fixed with the second pulling seat, and the second described pulling seat comprises the second fixed part and the second connecting portion, and the second described fixed part is fixedly connected with column, the second described connecting portion and tensioning member hinged.
By adopt technique scheme, by by tensioning member and the second connecting portion hinged, needs dismounting in, as long as tensioning member is untied, thus overhaul in, the time of staff's aloft work can be shortened.
The utility model is set to further: be provided with shackle between the second described pulling seat and tensioning member, described shackle comprises bolt part and threaded portion, described tensioning member is fixedly connected with threaded portion near one end of column, and described bolt part coordinates through the second connecting portion and threaded portion.
By adopting technique scheme, by tensioning member is fixedly connected with the threaded portion of shackle, make bolt part pass the second connecting portion again to coordinate with threaded portion, tensioning member and the second pulling seat are fixed, when needs overhaul time, only bolt part need be screwed out from threaded portion, tensioning member can be made to take off from the second pulling seat, thus shorten the time of staff's aloft work further, reduce the risk of aloft work.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is A place enlarged drawing in Fig. 1;
Fig. 3 is B place enlarged drawing in Fig. 1;
Fig. 4 is the C direction view of Fig. 1.
Reference numeral: 1, cantilever beam; 11, protruding; 12, hanging piece is played; 2, the first pulling seat; 21, the first fixed part; 22, the first connecting portion; 211, groove; 221, third through-hole; 3, latch-up structure; 31, the first locking piece; 32, the second locking piece; 4, turnbuckle; 5, shackle; 51, threaded portion; 52, bolt part; 6, tensioning member; 7, the second pulling seat; 71, the second connecting portion; 711, fourth hole; 72, the second fixed part; 8, column.
Detailed description of the invention
Referring to figs. 1 through Fig. 4, a kind of boom crane embodiment of the utility model is described further.
As shown in Figures 1 to 4, wherein, rise under direction, hanging piece 12 place is, direction, column 8 place is left, a kind of boom crane, comprise cantilever beam 1 and the column 8 for support cantilever beam 1, direction due to gravity is straight down, so in the present embodiment, stable in order to make column 8 place, column 8 is vertically placed, tensioning member 6 is provided with between described cantilever beam 1 and column 8, in order to save production cost and in order to make processing staff assemble facility, in the present embodiment, using steel rope as tensioning member 6, the left end of tensioning member 6 and column 8 sliding block joint, right-hand member and cantilever beam 1 are by moving assembly sliding block joint, the downside of cantilever beam 1 has been provided with hanging piece 12, play hanging piece 12 to move along cantilever beam 1, in the present embodiment, adopt electric block as playing hanging piece 12.
Moving assembly comprises latch-up structure 3, first pulling seat 2, groove 211 and the projection 11 of mating with groove 211, the first described pulling seat 2 comprises the first fixed part 21 and the first connecting portion 22, as shown in Figure 1, first connecting portion 22 is placed in above the first fixed part 21, tensioning member 6 and the first connecting portion 22 are welded and fixed, projection 11 is fixed on the top of cantilever beam 1, the first described fixed part 21 arranges groove 211, the first described fixed part 21 is moved along protruding 11 by groove 211, can not drop out from protruding 11 to make the first fixed part 21 can move along projection 11, in the present embodiment, projection 11 is arranged to T-shaped, and in order to make tensioning member 6 conveniently assemble and disassemble, the long limit of protruding 11 and cantilever beam 1 is be arranged in parallel, first fixed part 21 is connected with cantilever beam 1 by latch-up structure 3.
Latch-up structure 3 comprises the first locking piece 31 and the second locking piece 32, the first described fixed part 21 is provided with the first through hole, described cantilever beam 1 is provided with the second through hole, the first described locking piece 31 coordinates, in order to process facility, in the present embodiment through the first through hole, the second through hole and the second locking piece 32 successively, adopt bolt as the first locking piece 31, adopt nut as the second locking piece 32, by the screw thread fit of screw bolt and nut, the first pulling seat 2 and cantilever beam 1 are fixed.
When needs overhaul, only latch-up structure 3 need be taken away, the first pulling seat 2 moves toward the left side, makes tensioning member 6 no longer tensioning, thus is conveniently taken off from cantilever beam 1 by tensioning member 6.
As shown in Figure 2, turnbuckle 4 is provided with between tensioning member 6 and the first pulling seat 2, described extension section is provided with third through-hole 221, one end of described turnbuckle 4 is fixedly connected with tensioning member 6 one end near cantilever beam 1, the other end is fixedly connected with extension section by third through-hole 221, in order to assemble facility, in the present embodiment, using steel rope as tensioning member 6, during assembling, make tensioning member 6 and column 8 fixing after, tensioning member 6 and turnbuckle 4 are fixed, turnbuckle 4 again with the first pulling seat 2 is fixed, by latch-up structure 3, first pulling seat 2 and cantilever beam 1 are fixed, because the position of the first through hole and the second through hole is fixed, tensioning member 6 can be caused after such assembly by may be soft and do not possess tensile force, pulling force upwards cannot be played to cantilever beam 1, so turnbuckle 4 will be rotated, make tensioning member 6 tensioning, produce cantilever beam 1 pulling force upwards.
As shown in Figure 3, column 8 is fixed with the second pulling seat 7, second pulling seat 7 comprises the second fixed part 72 and the second connecting portion 71, second fixed part 72 is fixedly connected with column 8, second fixed part 72 offers fourth hole 711, shackle 5 is provided with between second pulling seat 7 and tensioning member 6, shackle 5 comprises bolt part 52 and threaded portion 51, tensioning member 6 is fixedly connected with threaded portion 51 near one end of column 8, bolt part 52 coordinates through fourth hole 711 and threaded portion 51, and the second pulling seat 7 made and tensioning member 6 are fixed.
When needs overhaul time, first the right-hand member of tensioning member 6 is dismantled, first turnbuckle 4 is outwarded winding, make tensioning member 6 no longer tensioning, again latch-up structure 3 is taken off, first pulling seat 2 is moved along the projection 11 on cantilever beam 1 to column 8, tensioning member 6 is taken off from turnbuckle 4, again the bolt part 52 of shackle 5 is screwed out from threaded portion 51, shackle 5 is separated with the second pulling seat 7, again tensioning member 6 is taken off from shackle 5, thus tensioning member 6 can be placed overhaul on the ground, and staff need not be made to overhaul tensioning member 6 on cantilever beam 1 always, thus reduce the risk of aloft work.
The above is only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. a boom crane, comprise cantilever beam (1) and the column (8) for support cantilever beam (1), tensioning member (6) is provided with between described cantilever beam (1) and column (8), it is characterized in that: described tensioning member (6) one end and column (8) hinged, the other end and cantilever beam (1) are by moving assembly sliding block joint.
2. a kind of boom crane according to claim 1, it is characterized in that: described moving assembly comprises the first pulling seat (2), groove (211) and protruding (11), described the first pulling seat (2) comprises the first fixed part (21) and the first connecting portion (22), described the first connecting portion (22) is fixedly connected with tensioning member (6), described projection (11) is fixed on cantilever beam (1), described the first fixed part (21) arranges groove (211), described the first fixed part (21) is mobile along protruding (11) by groove (211), described the first fixed part (21) is connected with cantilever beam (1) by latch-up structure (3).
3. a kind of boom crane according to claim 2, it is characterized in that: described latch-up structure (3) comprises the first locking piece (31) and the second locking piece (32), described the first fixed part (21) is provided with the first through hole, described cantilever beam (1) is provided with the second through hole, and described the first locking piece (31) coordinates through the first through hole, the second through hole and the second locking piece (32) successively.
4. a kind of boom crane according to claim 2, it is characterized in that: between described tensioning member (6) and the first pulling seat (2), be provided with turnbuckle (4), described the first connecting portion (22) is provided with third through-hole (221), one end of described turnbuckle (4) is fixedly connected with tensioning member (6) one end near cantilever beam (1), and the other end is fixedly connected with the first connecting portion (22) by third through-hole (221).
5. a kind of boom crane according to claim 2, it is characterized in that: described column (8) is fixed with the second pulling seat (7), described the second pulling seat (7) comprises the second fixed part (72) and the second connecting portion (71), described the second fixed part (72) is fixedly connected with column (8), described the second connecting portion (71) and tensioning member (6) hinged.
6. a kind of boom crane according to claim 5, it is characterized in that: between described the second pulling seat (7) and tensioning member (6), be provided with shackle (5), described shackle (5) comprises bolt part (52) and threaded portion (51), described tensioning member (6) is fixedly connected with threaded portion (51) near one end of column (8), and described bolt part (52) coordinates through the second connecting portion (71) and threaded portion (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521008116.6U CN205170234U (en) | 2015-12-07 | 2015-12-07 | Cantilever crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521008116.6U CN205170234U (en) | 2015-12-07 | 2015-12-07 | Cantilever crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205170234U true CN205170234U (en) | 2016-04-20 |
Family
ID=55734249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521008116.6U Expired - Fee Related CN205170234U (en) | 2015-12-07 | 2015-12-07 | Cantilever crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205170234U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106429902A (en) * | 2016-10-14 | 2017-02-22 | 上海德益轻型起重机有限公司 | Cantilever warping degree adjusting mechanism for cantilever crane |
| CN109264596A (en) * | 2018-12-03 | 2019-01-25 | 中联重科股份有限公司 | Tie rod fixtures, booms and cranes |
-
2015
- 2015-12-07 CN CN201521008116.6U patent/CN205170234U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106429902A (en) * | 2016-10-14 | 2017-02-22 | 上海德益轻型起重机有限公司 | Cantilever warping degree adjusting mechanism for cantilever crane |
| CN106429902B (en) * | 2016-10-14 | 2018-08-17 | 上海德益轻型起重机有限公司 | Set-back regulating mechanism on a kind of cantilever for cantilever crane |
| CN109264596A (en) * | 2018-12-03 | 2019-01-25 | 中联重科股份有限公司 | Tie rod fixtures, booms and cranes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 Termination date: 20181207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |