CN2652893Y - Differential crab bucket ship unloading machine four support cable small car - Google Patents
Differential crab bucket ship unloading machine four support cable small car Download PDFInfo
- Publication number
- CN2652893Y CN2652893Y CN 03228639 CN03228639U CN2652893Y CN 2652893 Y CN2652893 Y CN 2652893Y CN 03228639 CN03228639 CN 03228639 CN 03228639 U CN03228639 U CN 03228639U CN 2652893 Y CN2652893 Y CN 2652893Y
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- rope
- wire rope
- pulley
- dolly
- steel
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Abstract
The utility model relates to four rope entrusting trolleys of a differential grab ship unloading machine, mainly composed of four rope entrusting trolleys, a pulley block, a wire rope winding tension device and a wire rope, all of which are respectively arranged on the front and back of a principal trolley of the ship unloading machine. A wire rope winding work station, according to an equal dividing method, divides the four rope entrusting trolleys into three equal divisions at the front and back of the principal trolley. Each rope entrusting trolley comprises a frame, wheels, a wire rope supporting roller group, a reverse roller group and a lubricating pipeline. The wheels are arranged on the lower part of the frame. The wheels share the same rail with the principal trolley. The lower end of the frame is provided with a supporting roller group for resting and towing the wire rope of the rope entrusting trolley, and the upper end of the frame is provided with a supporting roller group for resting and raising or closing the wire rope. The wire rope supporting roller group is provided with a lower supporting roller for resting and an upper supporting roller for restraining the wire rope to bounce out. Pulleys are arranged on the frame and the corresponding front and back beams. The wire rope winding tension device comprises a wire rope tension cylinder and a tension pulley. The wire rope tension cylinder is fixed on a back girder. The tension cylinder controls the tension pulley telescopically. The rope entrusting trolleys are towed by the wire ripe and follow the principal trolley to move. The utility model has a simple structure, and adopts a novel winding method with reliability and lower cost.
Description
Technical field
The utility model relates to ship unloaders, particularly four of a kind of differential grab bucket ship unloader holder rope dollies.
Background technology
Ship unloaders have load-carrying automatic carriage, major-minor dolly and differential dolly pattern.The load-carrying automatic carriage need not hold in the palm the rope dolly.Major-minor dolly, differential dolly pattern are not held in the palm the rope dolly mostly.Because ship unloaders were fast-developing to maximizing in recent years, gauge and castor significantly increase, to hoist appearred in the ship unloaders that have/when opening and closing steel rope excessive sag, starting tensioning spring serious in addition occur in some position since steel rope from the great situation such as can not normally open and close that causes grabbing bucket, reduce capacity rating thus, influenced normal operation.
Summary of the invention
Task of the present utility model provides a kind of improved differential grab bucket ship unloader four holder rope dollies, and it has solved problems such as excessive sag, spring that the steel rope of prior art produces at work are serious, some position grab bucket can not normally open and close.
The technical solution of the utility model is as follows:
A kind of differential grab bucket ship unloader four holder rope dollies, it mainly is made up of four holder rope dollies, assembly pulley, steel rope winding tightening device and steel ropes, they are separately positioned on before and after the main carriage of ship unloaders, and steel rope wiring station makes four holder rope dollies be assigned as trisection respectively before and after main carriage by the five equilibrium mode; Each holder rope dolly comprises trolley frame, wheel, Steel cable pulley group, anti-roller set and lubricating pipe, wheel is installed on the vehicle frame bottom, wheel rail and main carriage are also used same rail, the carrying roller group of rest traction holder rope car rope is settled in the vehicle frame lower end, the rest Steel cable pulley group that hoists/open and close is settled in vehicle frame top, Steel cable pulley has been assembled with the snub pulley of rest effect and has suppressed the upper supporting roller that steel rope ejects, and pulley is installed on trolley frame and the corresponding front and back end carriage; Described steel rope twines tightening device and comprises steel rope tensioning hydro-cylinder and tension pulley block, and the steel rope tensioning hydro-cylinder is fixed on the crossbeam of back, tensioning hydro-cylinder extension and contraction control tension pulley block.
Sub-supports such as front and back of the present utility model two groups of holder ropes dolly, the sagging fulcrum maximum outreach of the steel rope that hoists/open and close narrows down to original 1/3, the steel rope sag of chain significantly reduces, and assurance equipment under any circumstance situations such as excessively spring and grab bucket can not normally open and close can not take place.The utility model is simple in structure, and the canoe novelty is used reliably, and cost is low, very is adapted at using on the abominable large-scale bulk goods equipment of environment.
Description of drawings
Fig. 1 is the integral structure scheme drawing of a kind of differential grab bucket ship unloader four holder rope dollies of the present utility model.
Fig. 2 is the holder rope vehicle structure scheme drawing of Fig. 1 four holder rope dollies.
Fig. 3 is the right TV structure scheme drawing of Fig. 2 holder rope dolly.
Fig. 4 is the scheme drawing of overlooking of Fig. 1 four holder rope dollies and steel rope winding.
Fig. 5 is that the steel rope of Fig. 1 four holder rope dollies twines scheme drawing.
The specific embodiment
Referring to Fig. 1 to Fig. 5, a kind of differential grab bucket ship unloader four holder rope dollies of the present utility model mainly are made up of four holder rope dollies 2, assembly pulley 3, steel rope winding tightening device and steel ropes 4, and they are separately positioned on main carriage 1 front and back of ship unloaders.
As shown in Figures 2 and 3, every holder rope dolly 2 comprises trolley frame 201, wheel 202, Steel cable pulley group 203, energy disperser, anti-roller set 204 and lubricating pipe 205.Wheel 202 is installed on vehicle frame 201 bottoms, and wheel is installed in orbit, share one group of track with the main carriage track.The carrying roller group 203 ' of rest traction holder rope car rope 4 is settled in vehicle frame 201 lower ends, and the rest Steel cable pulley group 203 that hoists/open and close is settled in vehicle frame 201 tops ".Steel cable pulley group 203 has been equipped with the snub pulley of rest effect and has suppressed the upper supporting roller that steel rope ejects in the course of the work.For reducing the mutual impact force of holder rope dolly 2, energy disperser 206 is set in dolly one side or two sides.Pulley 3 is installed on trolley frame 201 and the corresponding front and back end carriage.Anti-roller set 204 acts on the crossbeam inboard wing listrium, disorbit when preventing 2 motions of holder rope dolly and during the jib pitching.
Steel rope twines tightening device and comprises steel rope tensioning hydro-cylinder 5 and tension pulley block 6, and steel rope tensioning hydro-cylinder 5 is fixed on the crossbeam 7 of back, tensioning hydro-cylinder 5 extension and contraction control tension pulley blocks 6.The tensile force of tensioning hydro-cylinder 5 control steel ropes 4, holder rope dolly 2 is connected with main carriage 1 by steel rope 4.Number in the figure 10 connects grab bucket.
As Fig. 1, Fig. 4 and shown in Figure 5, steel rope wiring station makes four holder rope dollies 2 be assigned as trisection respectively in main carriage 1 front and back by the five equilibrium mode.The winding of holder rope car rope 4 is by main carriage 1 and pulley, the first forestock rope dolly 21 and pulley, the second forestock rope dolly 22 and pulley, the first butt rope dolly 23 and pulley, second butt rope dolly 24 and the pulley.Steel rope 4 each section A, B, C, D, E constitute by winding shown in Figure 4.
Steel rope C section one end is fixed on A point on the first forestock rope dolly 21, from the A point after the pulley A1 on the second forestock rope dolly 22 changed course, through the first forestock rope dolly 21, main carriage 1, the first butt rope dolly 23, the second butt rope dolly 24, arrive back crossbeam 7 pulley A2, A2 ', again through the second butt rope dolly 24, the first butt rope dolly 23, main carriage 1, the first forestock rope dolly 21, after arriving the pulley A1 ' of the second forestock rope dolly 22, get back to main carriage 1, and fixing A point.The kinematic velocity ratio of the second forestock rope dolly 22 and the first forestock rope dolly 21 is 1: 2.
Steel rope B section one end is fixed in B point on the first forestock rope dolly 21, from the B point through main carriage pulley B1, get back on the pulley B2 of the first forestock rope dolly 21, changed course is after main carriage 1, the first butt rope dolly 23, the second butt rope dolly 24, after arriving back crossbeam 7 pulley B3, B3 ', through the second butt rope dolly 24, the first butt rope dolly 23, main carriage 1, arrive the pulley B2 ' of the first forestock rope dolly 21, the changed course back arrives the pulley B1 ' of main carriage 1, arrive the first forestock rope dolly 21 at last, and be fixed in B ' point.The second forestock rope dolly 21 is 2: 3 with the kinematic velocity ratio of main carriage 1.Therefore the kinematic velocity ratio of main carriage 1, the first forestock rope dolly 21, the second forestock rope dolly 22 is 1: 2/3: 1/3, as shown in Figure 5, this kinematic velocity ratio will be divided into trisection at the preceding crossbeam pulley 31 of extra large side and the steel rope 41 that hoists/open and close between the main carriage pulley 11, and steel rope fulcrum span becomes original 1/3.
This shows, four on steel rope 4 mats holder rope dolly 21,22,23,24 in main carriage 1 front and back respectively rest be trisection.Holder rope dolly is moved with main carriage regularly by rope traction, need not special driving equipment, also need not power and electrical control.
As shown in Figure 4, steel wire rope stretching device is fixed on E point on the second forestock rope dolly 22 with an end of steel rope 4, from the E point through being fixed on the pulley E1 on the preceding crossbeam 8 that is positioned at extra large side, again through the second forestock rope dolly 22, the first forestock rope dolly 21, main carriage 1, the first butt rope dolly 23, the second butt rope dolly 24, arrive tension pulley block E2, the changed course back arrives the pulley E3 on the second butt rope dolly 24, E3 ', arrive tension pulley block E2 ' again, changed course is after the second butt rope dolly 24, the first butt rope dolly 23, main carriage 1, the first forestock rope dolly 21, the second forestock rope dolly 22, crossbeam pulley E1 ' before arriving, the changed course back arrives the second forestock rope dolly 22, is fixed in tension pulley block E ' point at last.
Working process of the present invention is as follows:
When the work beginning, the overhanging end position of crossbeam 8 before the first forestock rope dolly 21, the second forestock rope dolly 22, main carriage 1 are in, these three devices are close together, and 24 in the first butt rope dolly 23, the second butt rope dolly become trisection with the crossbeam pulley with steel rope 41 rests that hoist/open and close of main carriage 1 pulley room.The maximum rest span of steel rope this moment is L/3.Main carriage 1 moves to land side 9 with speed V, driving the first forestock rope dolly 21 by steel rope b moves to land side 9, moving velocity is 2V/3, simultaneously steel rope c drives the second forestock rope dolly 22 again and moves with half speed of the first forestock rope dolly 21, the moving velocity of the second forestock rope dolly 22 is 2V/6, main carriage 1 in time t thus, the first forestock rope dolly 21, the second forestock rope dolly, 22 miles of relative movement are respectively S1=Vt, S2=2Vt/3, S3=Vt/3, main carriage is S1-S2=Vt/3 with the distance of holder rope dolly, S2-S3=Vt/3, like this, preceding crossbeam pulley 31 is ask rope dolly rest to become trisection to the span of 11 on main carriage pulley.In like manner, the first butt rope dolly 23, the second butt rope dolly 24 are also with the span trisection of 32 on main carriage 1 and back crossbeam pulley.The tensioning of holder rope dolly wiring then keeps certain force of strain by flexible the making between each dolly of tensioning hydro-cylinder 5, makes main cable finish sag-resistant, the anti-excessively operation of spring in whole process by holder rope dolly.
Claims (3)
1. a differential grab bucket ship unloader four holds in the palm the rope dollies, it is characterized in that, it mainly is made up of four holder rope dollies, assembly pulley, steel rope winding tightening device and steel ropes, they are separately positioned on before and after the main carriage of ship unloaders, and steel rope wiring station makes four holder rope dollies be assigned as trisection respectively before and after main carriage by the five equilibrium mode; Each holder rope dolly comprises trolley frame, wheel, Steel cable pulley group, anti-roller set and lubricating pipe, wheel is installed on the vehicle frame bottom, wheel rail and main carriage are also used same rail, the carrying roller group of rest traction holder rope car rope is settled in the vehicle frame lower end, the rest Steel cable pulley group that hoists/open and close is settled in vehicle frame top, Steel cable pulley has been assembled with the snub pulley of rest effect and has suppressed the upper supporting roller that steel rope ejects, and pulley is installed on trolley frame and the corresponding front and back end carriage; Described steel rope twines tightening device and comprises steel rope tensioning hydro-cylinder and tension pulley block, and the steel rope tensioning hydro-cylinder is fixed on the crossbeam of back, tensioning hydro-cylinder extension and contraction control tension pulley block.
2. differential grab bucket ship unloader four holder rope dollies according to claim 1 is characterized in that, in dolly one side energy disperser are set.
3. differential grab bucket ship unloader four holder rope dollies according to claim 1 is characterized in that, in dolly two sides energy disperser are set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03228639 CN2652893Y (en) | 2003-01-30 | 2003-01-30 | Differential crab bucket ship unloading machine four support cable small car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03228639 CN2652893Y (en) | 2003-01-30 | 2003-01-30 | Differential crab bucket ship unloading machine four support cable small car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2652893Y true CN2652893Y (en) | 2004-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03228639 Expired - Lifetime CN2652893Y (en) | 2003-01-30 | 2003-01-30 | Differential crab bucket ship unloading machine four support cable small car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2652893Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103964305A (en) * | 2014-04-17 | 2014-08-06 | 江苏海隆重机有限公司 | Self-propelled rope-supporting trolley for bridge-type grab ship unloader |
| CN104071716A (en) * | 2014-07-18 | 2014-10-01 | 天津五洲国际集装箱码头有限公司 | Rope replacing mechanism and replacing method for encircling steel wire ropes in shore-bridge bracket trolley |
| CN105384068A (en) * | 2015-12-22 | 2016-03-09 | 上海振华重工(集团)股份有限公司 | Four-bracket trolley for quayside container crane |
| CN105384069A (en) * | 2015-12-22 | 2016-03-09 | 上海振华重工(集团)股份有限公司 | Three-bracket trolley for quayside container crane |
| CN106006376A (en) * | 2016-07-22 | 2016-10-12 | 江苏工力重机有限公司 | Pin-roll-type reaction wheel support |
-
2003
- 2003-01-30 CN CN 03228639 patent/CN2652893Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103964305A (en) * | 2014-04-17 | 2014-08-06 | 江苏海隆重机有限公司 | Self-propelled rope-supporting trolley for bridge-type grab ship unloader |
| CN103964305B (en) * | 2014-04-17 | 2017-12-01 | 江苏海隆重机有限公司 | Bridge-type grab ship unloader self-propelled support rope dolly |
| CN104071716A (en) * | 2014-07-18 | 2014-10-01 | 天津五洲国际集装箱码头有限公司 | Rope replacing mechanism and replacing method for encircling steel wire ropes in shore-bridge bracket trolley |
| CN105384068A (en) * | 2015-12-22 | 2016-03-09 | 上海振华重工(集团)股份有限公司 | Four-bracket trolley for quayside container crane |
| CN105384069A (en) * | 2015-12-22 | 2016-03-09 | 上海振华重工(集团)股份有限公司 | Three-bracket trolley for quayside container crane |
| CN106006376A (en) * | 2016-07-22 | 2016-10-12 | 江苏工力重机有限公司 | Pin-roll-type reaction wheel support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANGHAI ZHENHUA HEAVY INUDSTRY ( GROUP ) CO., LTD Free format text: FORMER NAME: SHANGHAI ZHENHUA HARBOUR MACHINERY (GROUP) CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: No. 3470 South Shanghai Road, Pudong, please. Zip code: 200125 Patentee after: Shanghai Zhenhua Heavy Industry Co., Ltd. Address before: No. 3470 South Shanghai Road, Pudong, please. Zip code: 200125 Patentee before: Shanghai Zhenhua Port Machinery (Group) Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130130 Granted publication date: 20041103 |