CN107934767A - A kind of end carriage assembly of underhung crane - Google Patents
A kind of end carriage assembly of underhung crane Download PDFInfo
- Publication number
- CN107934767A CN107934767A CN201711423227.7A CN201711423227A CN107934767A CN 107934767 A CN107934767 A CN 107934767A CN 201711423227 A CN201711423227 A CN 201711423227A CN 107934767 A CN107934767 A CN 107934767A
- Authority
- CN
- China
- Prior art keywords
- end carriage
- main body
- wheel
- installing plate
- driven wheel
- 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
Links
- 230000003139 buffering effect Effects 0.000 claims description 3
- 239000000725 suspension Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C7/00—Runways, tracks or trackways for trolleys or cranes
- B66C7/02—Runways, tracks or trackways for trolleys or cranes for underhung trolleys or cranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/02—Travelling gear incorporated in or fitted to trolleys or cranes for underhung trolleys or cranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/14—Trolley or crane travel drives
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Platform Screen Doors And Railroad Systems (AREA)
Abstract
The present invention relates to a kind of end carriage assembly of underhung crane, including end carriage main body, moving cart, connecting seat, moving cart is hinged in end carriage main body, and moving cart includes installing plate, driven wheel, and installing plate is hinged in end carriage main body；Traveling wheel, drive link and motor are at least additionally provided with a moving cart, drive rod rotation is installed on a mounting board, its both ends is equipped with drive gear, and drive gear is coaxially disposed with drive link, traveling wheel is equipped with the driven gear being coaxially disposed, and drive gear is engaged with driven gear.Moving cart, connecting seat are hinged by the present invention with end carriage main body, make end carriage assembly that there is the flexibility of higher, it is suitable for the working environment of complexity, reduce causes stuck risk because girder is torqued into, and it is provided with deceleration device in driven wheel, girder can be made smoothly to be transitioned into inactive state from motion state, reduce impact, suitable for large span, the big suspension lifting machine that bears a heavy burden.
Description
Technical field
The present invention relates to crane technical field, the end carriage assembly of more particularly to a kind of underhung crane.
Background technology
In recent years, with the development of Crane Industry, the demand of bridge machine is increasing, lifting capacity, lifting altitude and
The requirement of span is increasing, from tens to nearly kiloton, the leap of span and lifting altitude all from more than ten to hundred meter.For greatly across
Underhung crane is spent, end carriage correspondingly increases with girder size.But end carriage length is long, dead weight increase, process equipment
Higher is sought, the same potential difference of wheel is difficult to control；And the traveling wheel that existing walking dolly is generally driven using one side, for big
Span underhung crane, the traveling wheel of one side driving is easy to cause walking dolly torsion, and then causes the both ends of girder to be turned round
Then it is stuck, girder can not be moved along track.
The content of the invention
The present invention provides a kind of end carriage assembly of underhung crane to solve the above problems.
The present invention above-mentioned purpose technical scheme is that：A kind of end carriage of underhung crane is total
Into, including end carriage main body, set up separately in the moving cart at end carriage main body both ends and the connecting seat for fixing girder, the shifting
Dynamic trolley is hinged in the end carriage main body, the moving cart is individually rotated along moving direction relative to the end carriage main body；
The moving cart includes being arranged on the installing plate at left and right sides of rail, is arranged on the inside of installing plate and is moved along rail driven
Wheel, the installing plate are hinged in the end carriage main body；Traveling wheel is additionally provided with least one moving cart, is made positioned at a left side
The traveling wheel of right both sides keeps the drive link rotated synchronously and the motor for driving drive rod rotation, the drive rod rotation peace
On the installing plate, its both ends is equipped with drive gear, the drive gear be coaxially disposed with the drive link and with it is described
Drive link rotates synchronously, and the traveling wheel is equipped with the driven gear being coaxially disposed, the drive gear and the driven gear
Engagement.
Preferably, the center of the drive gear sets splined hole, the drive link is equipped with and is engaged with the splined hole
Spline.
Preferably, the driven gear is arranged on the outside of the traveling wheel, and positioned at the installing plate and the row
Walk between wheel.
Preferably, the tip diameter of the driven gear is more than between the traveling wheel, to limit traveling wheel edge
Axial direction moves.
Preferably, the traveling wheel is distributed with the driven wheel along before and after moving cart direction of advance, the driven wheel
Positioned at the rear of the traveling wheel.
Preferably, the driven wheel is is movably mounted on the installing plate, its moving direction is parallel to movement
The moving direction of trolley, the installing plate are equipped with when the driven wheel is moved into the bolster of row buffering.
Preferably, the installing plate is equipped with sliding slot, the cunning for being useful for installing the driven wheel is slipped in the sliding slot
Seat, the bolster are arranged between the slide and the sliding slot.
Preferably, the driven wheel is equipped with the deceleration device for reducing its rotating speed, the deceleration device includes cylinder body, sets
Piston in inner chamber of cylinder block, be fixed on piston with piston synchronous movement push rod and be connected between driven wheel and push rod
Connecting rod, one end of the connecting rod are prejudicially hinged on the driven wheel, its other end is hinged on the push rod, make it is described from
The push rod is promoted to be moved with the piston by the connecting rod during wheel rotation, the cylinder body, which is equipped with, to be used to connect the work
The passage of both sides cavity is filled in, the passage is equipped with the control valve of velocity of medium in control passage.
Preferably, the connecting seat is hinged in the end carriage main body, and is located at the centre position for moving back and forth trolley,
And along the relatively described end carriage body rotation of moving direction.
Preferably, the directive wheel positioned at rail both sides is additionally provided with the end carriage main body, the rotation axis of the directive wheel
Line is perpendicular to driven wheel or the pivot center of traveling wheel.
Beneficial effects of the present invention：Moving cart, connecting seat are hinged by the present invention with end carriage main body, have end carriage assembly
There is the flexibility of higher, be suitable for the working environment of complexity, reduce causes stuck risk, Er Qie because girder is torqued into
Driven wheel is provided with deceleration device, girder can be made smoothly to be transitioned into inactive state from motion state, reduces impact, is applicable in
In large span, the big suspension lifting machine that bears a heavy burden.
Brief description of the drawings
Fig. 1 is the structure diagram of the embodiment of the present invention；
Fig. 2 is the structure diagram of moving cart in the embodiment of the present invention；
Fig. 3 is the side view of moving cart in the embodiment of the present invention；
Fig. 4 is the structure diagram of deceleration device in the embodiment of the present invention；
In figure：21- end carriage main bodys, 22- moving carts, 221- installing plates, 222- traveling wheels, 223- driven wheels, 224- drive links,
225- drive gears, 226- driven gears, 227- motors, 228- deceleration devices, 2281- cylinder bodies, 2282- pistons, 2283- are pushed away
Bar, 2284- connecting rods, 2285- passages, 2286- control valves, 229- bolsters, 23- directive wheels, 24- connecting seats.
Embodiment
With reference to attached drawing, the present invention is described in further detail.This specific embodiment is only explanation of the invention,
It is not limitation of the present invention, and those skilled in the art, can be as needed to this implementation after this specification is read
Example makes the modification of no creative contribution, but as long as all being protected in scope of the presently claimed invention be subject to Patent Law.
Embodiment：As shown in Figure 1, a kind of end carriage assembly of underhung crane, including end carriage main body 21, set up separately in end carriage master
The moving cart 22 at 21 both ends of body and the connecting seat 24 for fixing girder, the moving cart 22 are hinged on the end carriage
In main body 21, the moving cart 22 is set individually to be rotated along moving direction relative to the end carriage main body 21.A wherein moving cart
22 be driven carriage, and another moving cart 22 is active trolley, and active trolley is located at the front of direction of advance, and driven carriage is located at
The rear of active trolley.Connecting seat 24 is hinged in the end carriage main body 21, and is located at the centre position for moving back and forth trolley 22,
And rotated along moving direction relative to the end carriage main body 21.The directive wheel 23 positioned at rail both sides is additionally provided with end carriage main body 21,
The pivot center of the directive wheel 23 is perpendicular to driven wheel 223 or the pivot center of traveling wheel 222.
As shown in Figures 2 and 3, moving cart 22 includes being arranged on installing plate 221 at left and right sides of rail, is arranged on installation
The driven wheel 223 moved on the inside of plate 221 and along rail, the installing plate 221 are hinged in the end carriage main body 21.Based on wherein
Traveling wheel 222 is additionally provided with the moving cart 22 of dynamic trolley, the traveling wheel 222 positioned at the left and right sides is kept the biography rotated synchronously
The motor 227 that lever 224 and driving drive link 224 rotate, the drive link 224 are rotatably installed in the installing plate 221
On, its both ends is equipped with drive gear 225, the drive gear 225 be coaxially disposed with the drive link 224 and with the drive link
224 rotate synchronously, and the traveling wheel 222 is equipped with the driven gear 226 that is coaxially disposed, the drive gear 225 with it is described from
Moving gear 226 engages.
The center of drive gear 225 sets splined hole, and the drive link 224 is equipped with and the matched spline of the splined hole.
Driven gear 226 is arranged on the outside of the traveling wheel 222, and between the installing plate 221 and the traveling wheel 222.
The tip diameter of driven gear 226 is more than between the traveling wheel 222, is in axial direction moved with limiting traveling wheel 222.
As shown in Fig. 2, traveling wheel 222 is distributed with the driven wheel 223 along before and after motor-driven carrier direction of advance, it is described driven
Wheel 223 is located at the rear of the traveling wheel 222.To be movably mounted on the installing plate 221, it is moved driven wheel 223
The moving direction of motor-driven carrier is oriented parallel to, the installing plate 221 is equipped with when the driven wheel 223 is moved into row buffering
Bolster 229, bolster 229 is spring.Installing plate 221 is equipped with sliding slot, slips and is useful for described in installation in the sliding slot
The slide of driven wheel 223, the bolster are arranged between the slide and the sliding slot.
As shown in Figure 2 and Figure 4, driven wheel 223 is equipped with the deceleration device 228 for reducing its rotating speed, and deceleration device 228 includes cylinder
Body 2281, the piston 2282 for being arranged on 2281 inner cavity of cylinder body, be fixed on piston 2282 with 2282 synchronization-moving push rod of piston
2283 and the connecting rod 2284 that is connected between driven wheel 223 and push rod 2283, one end of the connecting rod 2284 it is prejudicially hinged
On the driven wheel 223, its other end is hinged on the push rod 2283, by described when rotating the driven wheel 223
Connecting rod 2284 promotes the push rod 2283 to be moved with the piston 2282, and the cylinder body 2281, which is equipped with, to be used to connect the piston
The passage 2285 of 2282 both sides cavitys, the passage 2285 are equipped with the control valve 2286 of velocity of medium in control passage 2285.
When control valve 2286 makes passage 2285 narrow, medium is slowed by passage 2285, and the translational speed of the piston made becomes
Slowly, so that driven wheel 223 is slack-off, realize that motor-driven carrier slows down.
Claims (10)
1. a kind of end carriage assembly of underhung crane, including end carriage main body（21）, set up separately in end carriage main body（21）The movement at both ends
Trolley（22）And for fixing the connecting seat of girder（24）, it is characterised in that：The moving cart（22）It is hinged on the end
Beam main body（21）On, make the moving cart（22）Relatively described end carriage main body（21）Individually rotated along moving direction；The shifting
Dynamic trolley（22）Including the installing plate being arranged at left and right sides of rail（221）, be arranged on installing plate（221）Inner side is simultaneously moved along rail
Dynamic driven wheel（223）, the installing plate（221）It is hinged on the end carriage main body（21）On；At least one moving cart
（22）On be additionally provided with traveling wheel（222）, make traveling wheel positioned at the left and right sides（222）Keep the drive link rotated synchronously（224）、
And driving drive link（224）The motor of rotation（227）, the drive link（224）It is rotatably installed in the installing plate（221）
On, its both ends is equipped with drive gear（225）, the drive gear（225）With the drive link（224）Be coaxially disposed and with it is described
Drive link（224）Rotate synchronously, the traveling wheel（222）It is equipped with the driven gear being coaxially disposed（226）, the drive gear
（225）With the driven gear（226）Engagement.
A kind of 2. end carriage assembly of underhung crane according to claim 1, it is characterised in that：The drive gear
（225）Center set splined hole, the drive link（224）Equipped with the matched spline of the splined hole.
A kind of 3. end carriage assembly of underhung crane according to claim 2, it is characterised in that：The driven gear
（226）It is arranged on the traveling wheel（222）Outside, and be located at the installing plate（221）With the traveling wheel（222）Between.
A kind of 4. end carriage assembly of underhung crane according to claim 3, it is characterised in that：The driven gear
（226）Tip diameter be more than the traveling wheel（222）Between, to limit traveling wheel（222）In axial direction move.
A kind of 5. end carriage assembly of underhung crane according to claim 1, it is characterised in that：The traveling wheel（222）
With the driven wheel（223）Along moving cart（22）The front and rear distribution of direction of advance, the driven wheel（223）Positioned at the traveling wheel
（222）Rear.
A kind of 6. end carriage assembly of underhung crane according to claim 5, it is characterised in that：The driven wheel（223）
To be movably mounted at the installing plate（221）On, its moving direction is parallel to moving cart（22）Moving direction, it is described
Installing plate（221）It is equipped with the driven wheel（223）Into the bolster of row buffering when mobile（229）.
A kind of 7. end carriage assembly of underhung crane according to claim 6, it is characterised in that：The installing plate（221）
Sliding slot is equipped with, is slipped in the sliding slot and is useful for that the driven wheel is installed（223）Slide, the bolster is arranged on described
Between slide and the sliding slot.
A kind of 8. end carriage assembly of underhung crane according to claim 1, it is characterised in that：The driven wheel（223）
Equipped with the deceleration device for reducing its rotating speed（228）, the deceleration device（228）Including cylinder body（2281）, be arranged on cylinder body
（2281）The piston of inner cavity（2282）, be fixed in piston（2282）On with piston（2282）Synchronization-moving push rod（2283）And
It is connected to driven wheel（223）With push rod（2283）Between connecting rod（2284）, the connecting rod（2284）One end it is prejudicially hinged
In the driven wheel（223）On, its other end is hinged on the push rod（2283）On, make the driven wheel（223）Lead to during rotation
Cross the connecting rod（2284）Promote the push rod（2283）With the piston（2282）It is mobile, the cylinder body（2281）It is equipped with and uses
In the connection piston（2282）The passage of both sides cavity（2285）, the passage（2285）It is equipped with control passage（2285）It is interior
The control valve of velocity of medium（2286）.
A kind of 9. end carriage assembly of underhung crane according to claim 1, it is characterised in that：The connecting seat（24）Hinge
It is connected on the end carriage main body（21）On, and positioned at back-and-forth motion trolley（22）Centre position, it is and relatively described along moving direction
End carriage main body（21）Rotate.
A kind of 10. end carriage assembly of underhung crane according to claim 1, it is characterised in that：The end carriage main body
（21）On be additionally provided with the directive wheel positioned at rail both sides（23）, the directive wheel（23）Pivot center perpendicular to driven wheel
（223）Or traveling wheel（222）Pivot center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711423227.7A CN107934767A (en) | 2017-12-25 | 2017-12-25 | A kind of end carriage assembly of underhung crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711423227.7A CN107934767A (en) | 2017-12-25 | 2017-12-25 | A kind of end carriage assembly of underhung crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107934767A true CN107934767A (en) | 2018-04-20 |
Family
ID=61939030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711423227.7A Pending CN107934767A (en) | 2017-12-25 | 2017-12-25 | A kind of end carriage assembly of underhung crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107934767A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2218680Y (en) * | 1994-06-27 | 1996-01-31 | 杨恩久 | Self control screw drum vehicle decelerator |
| CN202182073U (en) * | 2011-07-12 | 2012-04-04 | 四川省青城机械有限公司 | Quick gas-liquid driven automatic deceleration device |
| CN103821911A (en) * | 2014-03-11 | 2014-05-28 | 宁波巨匠自动化装备有限公司 | Anti-backlash mechanism |
| CN206705528U (en) * | 2017-04-19 | 2017-12-05 | 河南正大起重设备有限公司 | A kind of end carriage for electric hang crane |
| CN207713269U (en) * | 2017-12-25 | 2018-08-10 | 浙江邦博机械有限公司 | A kind of end carriage assembly of underhung crane |
-
2017
- 2017-12-25 CN CN201711423227.7A patent/CN107934767A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2218680Y (en) * | 1994-06-27 | 1996-01-31 | 杨恩久 | Self control screw drum vehicle decelerator |
| CN202182073U (en) * | 2011-07-12 | 2012-04-04 | 四川省青城机械有限公司 | Quick gas-liquid driven automatic deceleration device |
| CN103821911A (en) * | 2014-03-11 | 2014-05-28 | 宁波巨匠自动化装备有限公司 | Anti-backlash mechanism |
| CN206705528U (en) * | 2017-04-19 | 2017-12-05 | 河南正大起重设备有限公司 | A kind of end carriage for electric hang crane |
| CN207713269U (en) * | 2017-12-25 | 2018-08-10 | 浙江邦博机械有限公司 | A kind of end carriage assembly of underhung crane |
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| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180420 |