CN209721431U - A kind of shaft hoisting derrick geometry - Google Patents
A kind of shaft hoisting derrick geometry Download PDFInfo
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- CN209721431U CN209721431U CN201920377526.XU CN201920377526U CN209721431U CN 209721431 U CN209721431 U CN 209721431U CN 201920377526 U CN201920377526 U CN 201920377526U CN 209721431 U CN209721431 U CN 209721431U
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- vertical shaft
- fixed
- movable pulley
- wirerope
- bracket
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Abstract
The utility model relates to a kind of shaft hoisting derrick geometry, it is related to lifting by crane technical field, can makes bracket due to existing in existing drawing system deformation occurs, inclined horizontal drag component, therefore there are certain security risks.This programme includes vertical shaft, the bracket being fixed on above vertical shaft, pull element, pull element includes two and is fixed on the support fixed pulley of cantilever tip, the movable pulley part on vertical shaft central axes, the tether for being connected to movable pulley part lower end, two support fixed pulleys are symmetrical arranged along vertical shaft central axes, pull element further includes fixing end, guide end, hoisting mechanism, and fixing end and guide end are symmetrical arranged along vertical shaft central axes；Pull element further includes wirerope.The drawing component for the horizontal direction that above-mentioned setting can enable wirerope be applied to bracket is cancelled out each other, to reduce the probability of riding, deformation, also just improves operating safety factor.
Description
Technical field
The utility model relates to lift by crane technical field, more particularly, to a kind of shaft hoisting derrick geometry.
Background technique
Underground project dug underground is that current water conservancy and hydropower uses more conventional working measure.During Construction of Silo, as
Unique construction transport channel, lifting system are to restrict the key link of construction speed.
During Construction of Silo, material, waste transport generally by artificial shipment feed hopper, by hoist engine transport to
Ground, using being manually pushed into interim waste point.If Authorization Notice No. is a kind of gantry derrick lifting system of CN202508804U,
Including steel structure support, the fixed pulley that is mounted on cantilever tip, the wirerope around fixed pulley, installation is on the ground and for leading
Draw the hoist engine of wirerope.
Since in traction process, wirerope is formed with the drawing component of horizontal direction to bracket, and the drawing component is not
It can cancel out each other, then under permanent operation, certain deformation easily be caused to bracket, or even form security risk.
Utility model content
The purpose of the utility model is to provide a kind of shaft hoisting derrick geometries, can form the horizontal drag of two opposite directions
Component does not just allow the deformation and inclination that easily cause bracket yet, improves safe system to balance out the horizontal drag to bracket
Number.
The above-mentioned purpose of utility model of the utility model has the technical scheme that
A kind of shaft hoisting derrick geometry, including vertical shaft, the bracket being fixed on above vertical shaft, pull element, the drawing
Component includes two and is fixed on the support fixed pulley of cantilever tip, the movable pulley part on vertical shaft central axes, is connected to dynamic cunning
The tether of gear member lower end, two support fixed pulleys are symmetrical arranged along vertical shaft central axes, and pull element further includes fixing end, guiding
End, hoisting mechanism, fixing end and guide end are symmetrical arranged along vertical shaft central axes；Pull element further includes wirerope, wirerope one
End is connected to hoisting mechanism, and the other end successively bypasses guide end, one of support fixed pulley, movable pulley part, another support
Fixed pulley, and it is fixed on fixing end, wirerope bypasses the upside of two support fixed pulleys, support fixed pulley and fixing end, guiding
End is in same plane.
By using above-mentioned technical proposal, by the way that original single fixed pulley is modified to two support fixed pulleys, and
One movable pulley part, to change wirerope to the force direction of bracket, so that wirerope is applied to the horizontal direction of bracket
Drawing component can cancel out each other, to reduce the probability of riding, deformation, also just improve operating safety factor.
The utility model is further arranged to: the movable pulley part includes mounting shell, is rotationally connected in mounting shell two
Sub- movable pulley, two sub- movable pulleys are symmetrical arranged along vertical shaft central axes, and wirerope is around two sub- movable pulleys downsides.
By using above-mentioned technical proposal, movable pulley part and wirerope can be made to form two contact points, substantially increased steady
It is qualitative, make movable pulley part be not easy to deviate the central axes of vertical shaft.
The utility model is further arranged to: two gag lever posts is fixed in the mounting shell, and every gag lever post is corresponding
It is fixed on the lower section of a sub- movable pulley, the gap between the sub- movable pulley of steel wire penetrating and gag lever post.
By using above-mentioned technical proposal, gag lever post can limit the position of wirerope Yu sub- movable pulley, can enable wirerope
Stable acts on sub- movable pulley.
The utility model is further arranged to: the mounting shell lower end is fixed with clump weight.
By using above-mentioned technical proposal, clump weight can make the center of gravity of entire movable pulley part on the lower side, keep sub- movable pulley steady
The fixed top positioned at wirerope, improves running stability.
The utility model is further arranged to: the sub- movable pulley periphery is equipped with annular groove, and the slot bottom of annular groove is placed with a circle
Needle roller.
By using above-mentioned technical proposal, for group movable pulley because when Caton surprisingly occurs, the setting of needle roller ensure that son
Frictional force between movable pulley and wirerope is not too large, can also extend the service life of wirerope and sub- movable pulley；And it is transporting
During work, the danger that factor movable pulley blocks and causes can be reduced as far as possible.
The utility model is further arranged to: the pedestal lower end is fixed with a delineation position base ring, positions fixed on base ring
There are several joint bars equidistantly arranged around vertical shaft central axes.
By using above-mentioned technical proposal, what entire bracket can be more stable is fixed on above vertical shaft.
The utility model is further arranged to: the cantilever tip is fixed with ceiling.
By using above-mentioned technical proposal, ceiling, which can play, prevents rainwater from proceeding in vertical shaft.
The utility model is further arranged to: the vertical shaft periphery is equipped with a circle and keeps off bank.
By using above-mentioned technical proposal, keeps off bank and slide for reducing sundries into the probability in vertical shaft.
In conclusion the advantageous effects of the utility model are as follows:
1. being led to balance out to the level of bracket in the present solution, the horizontal drag component of two opposite directions can be formed
It draws, does not also just allow the deformation and inclination that easily cause bracket, improve safety coefficient；
2. in the present solution, then even if sub- movable pulley blocks, son is dynamic to be slided by being equipped with a circle needle roller in sub- movable pulley periphery
Wheel remains to more smoothly guide steel wire rope, to improve the running serious forgiveness of entire movable pulley part.
Detailed description of the invention
Fig. 1 is the schematic diagram of the present embodiment.
Fig. 2 is the bottom view of bracket in Fig. 1.
Fig. 3 is the structural schematic diagram of movable pulley part in Fig. 1.
Fig. 4 is the cooperation sectional view of movable pulley part and wirerope in Fig. 3.
In figure, 1, vertical shaft；2, bracket；21, base ring is positioned；22, joint bar；23, bank is kept off；24, ceiling；3, pull element；31,
Support fixed pulley；32, movable pulley part；321, mounting shell；322, sub- movable pulley；323, gag lever post；324, annular groove；325, needle roller；
326, clump weight；33, tether；34, fixing end；35, guide end；36, hoisting mechanism；37, wirerope.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
It is a kind of shaft hoisting derrick geometry disclosed by the utility model with reference to Fig. 1 and Fig. 2, including vertical shaft 1, is fixed on
The bracket 2 of 1 top of vertical shaft, pull element 3.Bracket 2 is welded by several unit bars, and unit bar can be steel pipe, can also
To be I-steel, 2 general shape of bracket includes the rectangle frame of bottom, the rectangle frame at top, four for connecting two rectangle frames
Unit bar, and it is whole in tower-like.
2 lower end of bracket is fixed with a delineation position base ring 21, and positioning base ring 21 is cast on ground, positions solid on base ring 21
Surely there are eight joint bars being vertically arranged 22, eight root cutting muscle 22 are equidistantly arranged around 1 central axes of vertical shaft, 22 lower end of joint bar insertion soil
It is interior.What then entire bracket 2 can be more stable is fixed on 1 top of vertical shaft.1 periphery of vertical shaft is additionally provided with circle gear bank 23, and gear bank 23 is used
It slides in reducing sundries into the probability in vertical shaft 1.2 top of bracket is fixed with ceiling 24, and ceiling 24, which can play, prevents rainwater from proceeding to
In vertical shaft 1.
Pull element 3 includes: two and is fixed on the support fixed pulley 31 on 2 top of bracket, moving on 1 central axes of vertical shaft
Pulley part 32, the tether 33 for being connected to 32 lower end of movable pulley part, two support fixed pulleys 31 are symmetrical arranged along 1 central axes of vertical shaft；
The projection of two support fixed pulleys 31 in the horizontal plane is fallen within the scope of the well head of vertical shaft 1.Pull element 3 further include: fixing end
34, guide end 35, hoisting mechanism 36, fixing end 34 and guide end 35 are symmetrical arranged along 1 central axes of vertical shaft, and support fixed pulley 31
It is in same plane with fixing end 34, guide end 35.Fixing end 34 is the fixing seat squeezed into soil, and guide end 35 is to squeeze into
Mounting base in soil, and a fixed pulley is installed in the mounting base, hoisting mechanism 36 is set as hoist engine.
Pull element 3 further includes wirerope 37, and 37 one end of wirerope is connected to hoisting mechanism 36, and the other end is successively bypassed and led
To end 35, some support fixed pulley 31, movable pulley part 32, another support fixed pulley 31, and it is fixed on fixing end 34, steel wire
Rope 37 bypasses the upside of two support fixed pulleys 31.
Weight can be hung on the tether 33 of 32 lower end of movable pulley part, then wirerope 37 is applied to the horizontal direction on bracket 2
Force component can cancel out each other, final bracket 2 is not easy to tilt to side, is also not susceptible to deformation, and physical risk coefficient is also
It reduces.
With reference to Fig. 3, movable pulley part 32 includes: mounting shell 321, is rotationally connected with two sub- movable pulleys in mounting shell 321
322, two sub- movable pulleys 322 are symmetrical arranged along 1 central axes of vertical shaft, and wirerope 37 is around two sub- 322 downsides of movable pulley.Pass through
Above-mentioned setting can make movable pulley part 32 and wirerope 37 form two contact points, substantially increase stability, make movable pulley part 32
It is not easy to deviate the central axes of vertical shaft 1.Two gag lever posts 323, and the corresponding fixation of every gag lever post 323 are fixed in mounting shell 321
In the lower section of a sub- movable pulley 322, gap of the wirerope 37 across sub- movable pulley 322 and gag lever post 323.Gag lever post
323 can limit the position of wirerope 37 Yu sub- movable pulley 322, can enable wirerope 37 it is stable act on sub- movable pulley 322.Son
322 periphery of movable pulley is equipped with annular groove 324, and wirerope 37 is in sliding slot, and the slot bottom of annular groove 324 is placed with a circle needle roller 325；
Because when Caton surprisingly occurs, the setting of needle roller 325 ensure that between sub- movable pulley 322 and wirerope 37 group movable pulley 322
Frictional force it is not too large, can also extend the service life of wirerope 37 and sub- movable pulley 322；It, can be to the greatest extent and in operation
It may be decreased the danger that factor movable pulley 322 blocks and causes.
321 lower end of mounting shell is fixed with clump weight 326, and clump weight 326 can make the center of gravity of entire movable pulley part 32 on the lower side, make
The stable top positioned at wirerope 37 of sub- 322 energy of movable pulley, improves running stability.
The implementation principle of the present embodiment are as follows: by the way that original single fixed pulley is modified to two support fixed pulleys 31, with
And a movable pulley part 32, to change wirerope 37 to the force direction of bracket 2, so that wirerope 37 is applied to bracket 2
The drawing component of horizontal direction can cancel out each other, to reduce the probability of the inclination of bracket 2, deformation, also just improve operation peace
Overall coefficient.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (8)
1. a kind of shaft hoisting derrick geometry, including vertical shaft (1), the bracket (2) being fixed on above vertical shaft (1), pull element
(3), it is characterised in that: the pull element (3) includes two and is fixed on the support fixed pulley (31) on bracket (2) top, is located at
Movable pulley part (32) on vertical shaft (1) central axes, the tether (33) for being connected to movable pulley part (32) lower end, two support fixed pulleys
(31) it is symmetrical arranged along vertical shaft (1) central axes, pull element (3) further includes fixing end (34), guide end (35), hoisting mechanism
(36), fixing end (34) and guide end (35) are symmetrical arranged along vertical shaft (1) central axes；Pull element (3) further includes wirerope
(37), wirerope (37) one end is connected to hoisting mechanism (36), and the other end successively bypasses guide end (35), one of support is determined
Pulley (31), movable pulley part (32), another support fixed pulley (31), and fixing end (34) are fixed on, wirerope (37) bypasses
The upside of two support fixed pulleys (31), support fixed pulley (31) and fixing end (34), guide end (35) are in same plane
It is interior.
2. a kind of shaft hoisting derrick geometry according to claim 1, it is characterised in that: the movable pulley part (32) includes
Mounting shell (321) is rotationally connected with two sub- movable pulleys (322) in mounting shell (321), and two sub- movable pulleys (322) are along vertical shaft
(1) central axes are symmetrical arranged, and wirerope (37) is around two sub- movable pulleys (322) downsides.
3. a kind of shaft hoisting derrick geometry according to claim 2, it is characterised in that: solid in the mounting shell (321)
Surely there are two gag lever posts (323), and the corresponding lower section for being fixed on a sub- movable pulley (322) of every gag lever post (323), wirerope
(37) gap across sub- movable pulley (322) and gag lever post (323).
4. a kind of shaft hoisting derrick geometry according to claim 2, it is characterised in that: mounting shell (321) lower end
It is fixed with clump weight (326).
5. a kind of shaft hoisting derrick geometry according to claim 2, it is characterised in that: the sub- movable pulley (322) is outside
Week is equipped with annular groove (324), and the slot bottom of annular groove (324) is placed with a circle needle roller (325).
6. a kind of shaft hoisting derrick geometry according to claim 1, it is characterised in that: bracket (2) lower end is fixed
There is a delineation position base ring (21), is fixed with several joint bars equidistantly arranged around vertical shaft (1) central axes in positioning base ring (21)
(22).
7. a kind of shaft hoisting derrick geometry according to claim 1, it is characterised in that: bracket (2) top is fixed
There are ceiling (24).
8. a kind of shaft hoisting derrick geometry according to claim 1, it is characterised in that: vertical shaft (1) periphery is equipped with
One circle gear bank (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920377526.XU CN209721431U (en) | 2019-03-23 | 2019-03-23 | A kind of shaft hoisting derrick geometry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920377526.XU CN209721431U (en) | 2019-03-23 | 2019-03-23 | A kind of shaft hoisting derrick geometry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209721431U true CN209721431U (en) | 2019-12-03 |
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ID=68688235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920377526.XU Active CN209721431U (en) | 2019-03-23 | 2019-03-23 | A kind of shaft hoisting derrick geometry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209721431U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112609755A (en) * | 2020-12-17 | 2021-04-06 | 广东广强基础工程有限公司 | Foundation pit supporting and repairing structure and construction method thereof |
-
2019
- 2019-03-23 CN CN201920377526.XU patent/CN209721431U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112609755A (en) * | 2020-12-17 | 2021-04-06 | 广东广强基础工程有限公司 | Foundation pit supporting and repairing structure and construction method thereof |
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