CN107399669A - A kind of fixed pulley group structure of bridge crane - Google Patents
A kind of fixed pulley group structure of bridge crane Download PDFInfo
- Publication number
- CN107399669A CN107399669A CN201710804378.0A CN201710804378A CN107399669A CN 107399669 A CN107399669 A CN 107399669A CN 201710804378 A CN201710804378 A CN 201710804378A CN 107399669 A CN107399669 A CN 107399669A
- Authority
- CN
- China
- Prior art keywords
- assembly pulley
- casing
- main shaft
- bridge crane
- group structure
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C11/00—Trolleys or crabs, e.g. operating above runways
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/14—Power transmissions between power sources and drums or barrels
- B66D1/20—Chain, belt, or friction drives, e.g. incorporating sheaves of fixed or variable ratio
Abstract
The invention discloses a kind of fixed pulley group structure of bridge crane,Including support and assembly pulley load transfer mechanism,The upper surface axis connection of the support crank,The upper end of the crank is connected by rotating shaft with cylinder sliding block,The outer surface of the cylinder sliding block slidably connects rack,The rack is wrapped in the outer surface of assembly pulley,The outer surface of the assembly pulley is provided with rack grip block,The inner surface of the assembly pulley also axis connection has assembly pulley load transfer mechanism,The assembly pulley load transfer mechanism includes sliding main shaft,The right-hand member outer surface for sliding main shaft is provided with bearing block,The bearing block is fixedly mounted on the inwall of casing by fixing screws,The two sides of the casing slidably connect two groups of belt wheel groups,Driving force is provided by the way of the transmission of multigroup assembly pulley,The symmetry and accuracy of rotational angle when improving 180 ° of multiple assembly pulley synchronous revolvings using assembly pulley load transfer mechanism,It is practical.
Description
Technical field
The present invention relates to bridge crane technical field, the fixed pulley group structure of specially a kind of bridge crane.
Background technology
With the continuous improvement of machined part precision, the synthesis rotating accuracy of revolution at a high speed main shaft it is also proposed more
Carry out higher requirement, the carriage on crane is mainly realized by assembly pulley at present, but the service life of assembly pulley is easy
Influenceed by being rubbed between part, also in the presence of it is certain the defects of：
(1) existing assembly pulley is due to needing the chain of band mutually to slide, the also phase of the frictional force between chain and assembly pulley
To larger so that the abrasion of assembly pulley is more serious, and service life is shorter；
(2) it is existing in the main shaft design of high-precision rotary, because the radial direction masterpiece of tensile force of belt be present in power input source
Used in rear-end of spindle；Power source and main shaft installation decentraction, make planted agent's force deformation caused by main shaft, so that main shaft gyration integrates
Precision is affected；
(3) existing assembly pulley transmission mechanism power consumption is larger, and the phenomenon of both sides unbalance stress easily occurs in assembly pulley,
Cause transmission effect bad.
The content of the invention
In order to overcome the shortcomings of prior art, the present invention provides a kind of fixed pulley group structure of bridge crane, adopted
The mode being driven with multigroup assembly pulley provides driving force, and improving multiple assembly pulleys using assembly pulley load transfer mechanism synchronously returns
Turn the symmetry and accuracy of rotational angle at 180 °, it is practical, it can effectively solve the problem that the problem of background technology proposes.
The technical solution adopted for the present invention to solve the technical problems is：A kind of fixed pulley group structure of bridge crane,
Including support and assembly pulley load transfer mechanism, the upper surface axis connection of the support crank, and the upper end of the crank passes through
Rotating shaft is connected with cylinder sliding block, and the outer surface of the cylinder sliding block slidably connects rack, and the rack is wrapped in assembly pulley
Outer surface, the outer surface of the assembly pulley is provided with rack grip block, and the inner surface also axis connection of the assembly pulley has pulley
Group load transfer mechanism, the assembly pulley load transfer mechanism include sliding main shaft, the right-hand member outer surface peace for sliding main shaft
Equipped with bearing block, the bearing block is fixedly mounted on the inwall of casing by fixing screws, and the two sides of the casing are slided
Two groups of belt wheel groups are connected with, the left end of the belt wheel group is connected by screw with cabinet wall.
As a kind of preferable technical scheme of the present invention, the left end outer surface for sliding main shaft is additionally provided with rubber layer.
As a kind of preferable technical scheme of the present invention, the left surface of the casing is provided with end cap, and the right-hand member of end cap
It is connected by splined shaft with bearing, the bearing is fixedly mounted on cabinet wall.
As a kind of preferable technical scheme of the present invention, it is additionally provided with and unloads between the outer surface of the slip main shaft and bearing
Lotus set, the unloading sleeve are fixedly mounted on cabinet wall.
As a kind of preferable technical scheme of the present invention, lubrication dress is also installed with the inwall of the rack grip block
Put.
As a kind of preferable technical scheme of the present invention, the lubricating arrangement includes protection shell and oil duct, the oil duct
It is arranged on the inside of protection shell.
As a kind of preferable technical scheme of the present invention, the top of the oil duct is installed with grease nipple, the oil duct
Lower end be connected with assembly pulley.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) present invention can be realized using the design of crank structure is less than semi-circumference in crank rotation angle but realizes two
Gear half revolution, facilitate the installation of mechanism.It can be also determined on a case-by-case basis for the mounting means of crank, in transmission mechanism face
Crank can be arranged on centre position in the larger device of product, be symmetrically installed motor in crank both sides, this mounting means can
Effectively to solve to need in the larger device of area to install two sets or more covering devices, and both sides stress is evenly, passes
Dynamic effect is more preferable；
(2) belt wheel group of the invention is not directly to be connected with slip main shaft, but divides two-way to carry out：It is a belt wheel group left side all the way
Side section is connected by end cap and slip main shaft, and end cap and slip main shaft are coupled in the form of spline；Another way is in belt wheel group
Footpath is connected by bearing and unloading sleeve, and unloading sleeve and casing are connected.When the pulley rotates, the pulling force of band is acted on by bearing first
On unloading sleeve, and one end of unloading sleeve is fixed on casing so pulling force and discharged finally by unloading sleeve on casing, and
It is not to slide on main shaft, so slides the moment of flexure that main shaft is born and be lowered or even be avoided by, and then reduce and slide main shaft
Loss.On the other hand, belt wheel group drives end cap to be connected by the form and main shaft of spline and transmits torque, realizes whole main shaft system
Transmission agency；
(3) when the present invention is lubricated operation using lubrication system, pulley need to only be rotated to position is facilitated, passes through butter
Mouth squeezes into butter, you can realizes the lubrication to pulley inner bearing, substantially reduces the oil duct distance needed for lubrication, facilitate to cunning
The lubrication of wheel group.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the assembly pulley load transfer mechanism structural representation of the present invention；
Fig. 3 is the lubricating arrangement structural representation of the present invention.
In figure：1- supports；2- cranks；3- rotating shafts；4- cylinder sliding blocks；5- racks；6- rack grip blocks；7- assembly pulley load
Transmission mechanism；8- assembly pulleys；9- lubricating arrangements；10- protects shell；11- oil ducts；12- grease nipples；13- slides main shaft；14- axles
Bearing；15- bearings；16- splined shafts；17- rubber layers；18- end caps；19- belt wheel groups；20- casings.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
The explanation of following embodiment is refer to the attached drawing, can be to the specific embodiment implemented to the example present invention.
The direction and position term that the present invention is previously mentioned, for example, " on ", " in ", " under ", "front", "rear", "left", "right", " interior ", "
Outside ", " side " etc., only it is direction and position with reference to annexed drawings.Therefore, the direction and position term used is to illustrate
And understand the present invention, and it is not used to the limitation present invention.
Embodiment：
As shown in figure 1, the invention provides a kind of fixed pulley group structure of bridge crane, including support 1 and assembly pulley
Load transfer mechanism 7, the upper surface axis connection of the support 1 crank 2, and the upper end of the crank 2 is slided by rotating shaft 3 and cylinder
Block 4 is connected, and the outer surface of the cylinder sliding block 4 slidably connects rack 5, and the rack 5 is wrapped in the appearance of assembly pulley 8
Face, the outer surface of the assembly pulley 8 are provided with rack grip block 6, and the inner surface also axis connection of the assembly pulley 8 has assembly pulley load
Lotus transmission mechanism 7, the assembly pulley load transfer mechanism 7 include sliding main shaft 13, the right-hand member outer surface for sliding main shaft 13
Bearing block 14 is installed, the left end outer surface for sliding main shaft 13 is additionally provided with rubber layer 17, and the bearing block 14 passes through solid
Determine screw to be fixedly mounted on the inwall of casing 20, the two sides of the casing 20 slidably connect two groups of belt wheel groups 19, described
The left end of belt wheel group 19 is connected by screw with the inwall of casing 20.
As shown in Fig. 2 the left surface of the casing 20 is provided with end cap 18, and the right-hand member of end cap 18 by splined shaft 16 with
Bearing 15 is connected, and the bearing 15 is fixedly mounted on the inwall of casing 20, the outer surface for sliding main shaft 13 and bearing 15
Between be additionally provided with unloading sleeve 21, the unloading sleeve 21 is fixedly mounted on the inwall of casing 20.
As shown in figure 3, lubricating arrangement 9 is also installed with the inwall of the rack grip block 6, the lubricating arrangement 9
Including protection shell 10 and oil duct 11, the oil duct 11 is arranged on the inside of protection shell 10, and the top of the oil duct 11 is fixed
Grease nipple 12 is installed, the lower end of the oil duct 11 is connected with assembly pulley 8.
In summary, the main characteristic of the invention lies in that：
(1) present invention can be realized using the design of crank structure is less than semi-circumference in crank rotation angle but realizes two
Gear half revolution, facilitate the installation of mechanism.It can be also determined on a case-by-case basis for the mounting means of crank, in transmission mechanism face
Crank can be arranged on centre position in the larger device of product, be symmetrically installed motor in crank both sides, this mounting means can
Effectively to solve to need in the larger device of area to install two sets or more covering devices, and both sides stress is evenly, passes
Dynamic effect is more preferable；
(2) belt wheel group of the invention is not directly to be connected with slip main shaft, but divides two-way to carry out：It is a belt wheel group left side all the way
Side section is connected by end cap and slip main shaft, and end cap and slip main shaft are coupled in the form of spline；Another way is in belt wheel group
Footpath is connected by bearing and unloading sleeve, and unloading sleeve and casing are connected.When the pulley rotates, the pulling force of band is acted on by bearing first
On unloading sleeve, and one end of unloading sleeve is fixed on casing so pulling force and discharged finally by unloading sleeve on casing, and
It is not to slide on main shaft, so slides the moment of flexure that main shaft is born and be lowered or even be avoided by, and then reduce and slide main shaft
Loss.On the other hand, belt wheel group drives end cap to be connected by the form and main shaft of spline and transmits torque, realizes whole main shaft system
Transmission agency；
(3) when the present invention is lubricated operation using lubrication system, pulley need to only be rotated to position is facilitated, passes through butter
Mouth squeezes into butter, you can realizes the lubrication to pulley inner bearing, substantially reduces the oil duct distance needed for lubrication, facilitate to cunning
The lubrication of wheel group.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.
Claims (7)
- A kind of 1. fixed pulley group structure of bridge crane, it is characterised in that：Including support (1) and assembly pulley load transfer mechanism (7), the upper surface axis connection of the support (1) crank (2), and the upper end of the crank (2) passes through rotating shaft (3) and cylinder sliding block (4) it is connected, the outer surface of the cylinder sliding block (4) slidably connects rack (5), and the rack (5) is wrapped in assembly pulley (8) Outer surface, the outer surface of the assembly pulley (8) is provided with rack grip block (6), and the inner surface also axle of the assembly pulley (8) connects Assembly pulley load transfer mechanism (7) is connected to, the assembly pulley load transfer mechanism (7) includes sliding main shaft (13), the slip The right-hand member outer surface of main shaft (13) is provided with bearing block (14), and the bearing block (14) is fixedly mounted on casing by fixing screws (20) on inwall, the two sides of the casing (20) slidably connect two groups of belt wheel groups (19), a left side for the belt wheel group (19) End is connected by screw with casing (20) inwall.
- A kind of 2. fixed pulley group structure of bridge crane according to claim 1, it is characterised in that：The slip main shaft (13) left end outer surface is additionally provided with rubber layer (17).
- A kind of 3. fixed pulley group structure of bridge crane according to claim 1, it is characterised in that：The casing (20) Left surface be provided with end cap (18), and the right-hand member of end cap (18) is connected by splined shaft (16) with bearing (15), the axle (15) are held to be fixedly mounted on casing (20) inwall.
- A kind of 4. fixed pulley group structure of bridge crane according to claim 1, it is characterised in that：The slip main shaft (13) unloading sleeve (21) is additionally provided between outer surface and bearing (15), the unloading sleeve (21) is fixedly mounted on casing (20) On inwall.
- A kind of 5. fixed pulley group structure of bridge crane according to claim 1, it is characterised in that：The rack clamping Lubricating arrangement (9) is also installed with the inwall of block (6).
- A kind of 6. fixed pulley group structure of bridge crane according to claim 1, it is characterised in that：The lubricating arrangement (9) protection shell (10) and oil duct (11) are included, the oil duct (11) is arranged on the inside of protection shell (10).
- A kind of 7. fixed pulley group structure of bridge crane according to claim 6, it is characterised in that：The oil duct (11) Top be installed with grease nipple (12), the lower end of the oil duct (11) is connected with assembly pulley (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710804378.0A CN107399669A (en) | 2017-09-08 | 2017-09-08 | A kind of fixed pulley group structure of bridge crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710804378.0A CN107399669A (en) | 2017-09-08 | 2017-09-08 | A kind of fixed pulley group structure of bridge crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107399669A true CN107399669A (en) | 2017-11-28 |
Family
ID=60397922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710804378.0A Pending CN107399669A (en) | 2017-09-08 | 2017-09-08 | A kind of fixed pulley group structure of bridge crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107399669A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101062746A (en) * | 2007-06-07 | 2007-10-31 | 上海港机重工有限公司 | Traveling carriage for double-hoisting type container crane and anchoring method thereof |
| JP2013144588A (en) * | 2012-01-13 | 2013-07-25 | Hitachi Sumitomo Heavy Industries Construction Crane Co Ltd | Crane |
| CN203461702U (en) * | 2013-09-05 | 2014-03-05 | 江苏恒安电力工具有限公司 | Hoisting pulley |
| CN203516446U (en) * | 2013-05-05 | 2014-04-02 | 陆钱融 | Pulley lubricating device |
| CN103935896A (en) * | 2014-03-28 | 2014-07-23 | 广西柳工机械股份有限公司 | Automatic identification device and identification method for steel wire rope multiplying power of hoisting machinery |
| CN104245558A (en) * | 2012-04-26 | 2014-12-24 | 科恩起重机有限公司 | Apparatus and method in connection with crane sheave |
| CN204430286U (en) * | 2014-12-30 | 2015-07-01 | 朱桂林 | A kind of for machine tool chief axis belt wheel load removing device |
| CN204903323U (en) * | 2015-08-12 | 2015-12-23 | 上海微创医疗器械（集团）有限公司 | High all flexural fatigue capability test equipment |
| CN206648411U (en) * | 2017-04-25 | 2017-11-17 | 山东立晨集团有限公司 | A kind of steam hot wind traverse cycle timber drier |
-
2017
- 2017-09-08 CN CN201710804378.0A patent/CN107399669A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101062746A (en) * | 2007-06-07 | 2007-10-31 | 上海港机重工有限公司 | Traveling carriage for double-hoisting type container crane and anchoring method thereof |
| JP2013144588A (en) * | 2012-01-13 | 2013-07-25 | Hitachi Sumitomo Heavy Industries Construction Crane Co Ltd | Crane |
| CN104245558A (en) * | 2012-04-26 | 2014-12-24 | 科恩起重机有限公司 | Apparatus and method in connection with crane sheave |
| CN203516446U (en) * | 2013-05-05 | 2014-04-02 | 陆钱融 | Pulley lubricating device |
| CN203461702U (en) * | 2013-09-05 | 2014-03-05 | 江苏恒安电力工具有限公司 | Hoisting pulley |
| CN103935896A (en) * | 2014-03-28 | 2014-07-23 | 广西柳工机械股份有限公司 | Automatic identification device and identification method for steel wire rope multiplying power of hoisting machinery |
| CN204430286U (en) * | 2014-12-30 | 2015-07-01 | 朱桂林 | A kind of for machine tool chief axis belt wheel load removing device |
| CN204903323U (en) * | 2015-08-12 | 2015-12-23 | 上海微创医疗器械（集团）有限公司 | High all flexural fatigue capability test equipment |
| CN206648411U (en) * | 2017-04-25 | 2017-11-17 | 山东立晨集团有限公司 | A kind of steam hot wind traverse cycle timber drier |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171128 |