CN106829768B - A kind of pulley gear for crane - Google Patents
A kind of pulley gear for crane Download PDFInfo
- Publication number
- CN106829768B CN106829768B CN201611153945.2A CN201611153945A CN106829768B CN 106829768 B CN106829768 B CN 106829768B CN 201611153945 A CN201611153945 A CN 201611153945A CN 106829768 B CN106829768 B CN 106829768B
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- CN
- China
- Prior art keywords
- pulley
- support plate
- wheel shaft
- partition
- baffle plates
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- 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.)
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Classifications
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses a kind of pulley gears for crane, belong to lifting equipment field.The pulley gear includes wheel shaft, pulley assembly and two axle end baffle plates, two axle end baffle plates are each attached on the cantilever crane of crane and are arranged parallel, the both ends of wheel shaft are respectively and vertically fixed on two axle end baffle plates, pulley assembly is rotatably mounted around on wheel shaft and is located between two axle end baffle plates, pulley gear further includes support plate and press strip, support plate is fixed on cantilever crane, support plate is located between two axle end baffle plates and is arranged parallel, the mounting groove extended from the outer edge of support plate to the middle part of support plate is offered in support plate, wheel shaft is inserted into mounting groove, the card slot extended along the axis direction perpendicular to wheel shaft is offered on the periphery wall of wheel shaft, press strip is fixedly mounted on the position that mounting groove is corresponded on the outer edge of support plate, and press strip is assembled in card slot.The invention avoids axle end baffle plates to damage because carrying excessive load.
Description
Technical field
The invention belongs to lifting equipment field, in particular to a kind of pulley gear for crane.
Background technique
Crane is a kind of for hanging the mechanical equipment of weight, pulley gear be crane important component it
One, effect is the wirerope of carrying suspension weight.
Common pulley gear mainly includes wheel shaft, pulley assembly and two axle end baffle plates, and two axle end baffle plates are fixed
It in the support plate of the cantilever crane of crane and is arranged parallel, the both ends of wheel shaft are respectively and vertically fixed at two axle end baffle plates
On, pulley assembly is rotatably mounted around on wheel shaft and is located between two axle end baffle plates.
However, when suspension weight on a steel cord by it is biggish along the wind load of axle axial when, which will lead to
It crosses in wire rope transfers to pulley assembly, and axle end baffle plate is transferred to by wheel shaft in turn, so axle end baffle plate will carry largely
Axial load, lead to the damage of axle end baffle plate, cause security risk.
Summary of the invention
In order to solve the problems, such as pulley gear there are security risk, the embodiment of the invention provides a kind of for crane
Pulley gear.The technical solution is as follows:
The embodiment of the invention provides a kind of pulley gears for crane, suitable for being fixed on the cantilever crane of crane
On, the pulley gear includes that wheel shaft, pulley assembly and two axle end baffle plates, described two axle end baffle plates are each attached to crane
Cantilever crane on and be arranged parallel, the both ends of the wheel shaft are respectively and vertically fixed on described two axle end baffle plates, the cunning
Wheel assembly is rotatably mounted around on the wheel shaft and between described two axle end baffle plates,
The pulley gear further includes support plate and press strip, and the support plate is fixed on the cantilever crane, the support plate
It between two axle end baffle plates and is arranged parallel, the outer edge from the support plate is offered in the support plate
The mounting groove extended to the middle part of the support plate, the wheel shaft is inserted into the mounting groove, on the periphery wall of the wheel shaft
The card slot extended along the axis direction perpendicular to the wheel shaft is offered, the both ends of the press strip are fixedly mounted on the support plate
On, and be assembled in the card slot in the middle part of the press strip.
In a kind of implementation of the invention, the pulley gear further includes first connecting rod, the first connecting rod
Both ends be fixedly connected respectively with described two axle end baffle plates, and the first connecting rod and described two axle end baffle plates mutually hang down
Directly.
In another implementation of the invention, one end of the press strip is extended with the first linking arm, and described first connects
Arm is connect to be fixedly connected with the first connecting rod.
In another implementation of the invention, the pulley assembly include the first raising single-sheaved block, lifting pulley group,
Luffing pulley blocks and the second raising single-sheaved block, the first raising single-sheaved block, the lifting pulley group, the luffing pulley blocks and
The second raising single-sheaved block successively slideably arranged for interval on the wheel shaft.
In another implementation of the invention, the corresponding position being inserted into the mounting groove is equipped on the wheel shaft
The shaft shoulder, the shaft shoulder are folded between the lifting pulley group and the luffing pulley blocks.
In another implementation of the invention, the pulley gear further includes first partition and second partition, described
First partition and the second partition are each attached on the cantilever crane and are parallel to each other with the support plate, and the first partition is set
Set between the raising single-sheaved block and the first raising pulley blocks, second partition setting in the luffing pulley blocks and
Between the second raising single-sheaved block, the wheel shaft is inserted into the first partition and the second partition.
In another implementation of the invention, it is set with the first axle sleeve and the second axle sleeve on the wheel shaft, described
One axle sleeve is folded between the first raising single-sheaved block and the first partition, and second axle sleeve is folded in described second
It rises between single-sheaved block and the second partition.
In another implementation of the invention, the press strip is mounted by means of bolts in the support plate.
In another implementation of the invention, the pulley gear further includes the second connecting rod, second connection
The both ends of bar are fixedly connected with described two axle end baffle plates respectively, and second connecting rod and described two axle end baffle plates are mutual
Vertically.
In another implementation of the invention, the other end of the press strip is extended with the second linking arm, and described second
Linking arm is fixedly connected with second connecting rod.
Technical solution provided in an embodiment of the present invention has the benefit that
The pulley gear provided by the embodiment of the present invention by along axle axial wind load and crane roll when, side
Active force is transferred on wheel shaft by pulley assembly to load, since wheel shaft is equipped with the card slot perpendicular to axis, in card slot
Assembly has press strip, and press strip is fixed, and support plate is fixed on the cantilever crane of crane on the supporting plate, so, the axial direction that wheel shaft is subject to
A part is transferred in support plate by load by above structure, is finally absorbed by cantilever crane, and another part will be transmitted to shaft end
It on baffle, is finally also absorbed by cantilever crane, that is to say, that the present invention has shared the load of a part by support plate, avoids axis
End-stopping plate is damaged because carrying excessive load, eliminates security risk.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the structural schematic diagram of pulley gear provided in an embodiment of the present invention；
Fig. 2 is the direction the A-A view of pulley gear provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of wheel shaft provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of support plate provided in an embodiment of the present invention；
Fig. 5 is the direction the B-B view of pulley gear provided in an embodiment of the present invention；
Each symbol indicates that meaning is as follows in figure:
1- wheel shaft, 11- card slot, the 12- shaft shoulder, the first axle sleeve of 13-, the second axle sleeve of 14-, 2- pulley assembly, the first raising of 21-
Single-sheaved block, 22- lifting pulley group, 23- luffing pulley blocks, 24- the second raising single-sheaved block, 3- axle end baffle plate, 4- support plate, 41-
Mounting groove, 4a- install side, 5- press strip, the first linking arm of 51-, the second linking arm of 52-, 53- bolt, 6- first connecting rod, 7- the
Two connecting rods, 8- first partition, 9- second partition, 100- cantilever crane.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Embodiment
The embodiment of the invention provides a kind of pulley gears for crane, suitable for being fixed on the cantilever crane of crane
On 100, as shown in Figure 1, the pulley gear includes wheel shaft 1, pulley assembly 2 and two axle end baffle plates 3, two axle end baffle plates 3 are equal
It is fixed on the cantilever crane 100 of crane and is arranged parallel, the both ends of wheel shaft 1 are respectively and vertically fixed at two axle end baffle plates 3
On, i.e. one end of wheel shaft 1 is fixedly mounted on an axle end baffle plate 3, and the other end of wheel shaft 1 is fixedly mounted on another shaft end gear
On plate 3, pulley assembly 2 is rotatably mounted around on wheel shaft 1 and is located between two axle end baffle plates 3.
Fig. 2 is the A-A of pulley gear to perspective view, and in conjunction with Fig. 2, in the present embodiment, which further includes support
Plate 4 and press strip 5, support plate 4 are fixed on cantilever crane 100, and support plate 4 is located between two axle end baffle plates 3 and is arranged parallel,
The mounting groove 41 extended from the outer edge of support plate 4 to the middle part of support plate 4 is offered in support plate 4, wheel shaft 1 is inserted into installation
In slot 41, the card slot 11 (being detailed in Fig. 3) extended along the axis direction perpendicular to wheel shaft 1, press strip are offered on the periphery wall of wheel shaft 1
5 both ends are fixedly mounted in support plate 4, and the middle part of press strip 5 is assembled in card slot 11.
The pulley gear provided by the embodiment of the present invention is by the wind load and crane roll loads axial along wheel shaft 1
When, active force is transferred on wheel shaft 1 by lateral load by pulley assembly 2, since wheel shaft 1 is equipped with the card slot perpendicular to axis
11, card slot 11 is built-in to be embedded with press strip 5, and press strip 5 is fixed in support plate 4, and support plate 4 is fixed on the cantilever crane 100 of crane, institute
With, a part is transferred in support plate 4 by the axial load that wheel shaft 1 is subject to by above structure, finally absorbed by cantilever crane 100,
And another part will be transmitted on axle end baffle plate 3, finally also be absorbed by cantilever crane 100, that is to say, that the present invention passes through support plate 4
The load for having shared a part avoids axle end baffle plate 3 and damages because carrying excessive load, eliminates security risk.
Preferably, the cross section of mounting groove 41 can be rectangle, match so that press strip 5 can be consolidated with mounting groove 41
It closes, preferably to conduct the axial force of wheel shaft 1, it should be noted that in other embodiments, the cross section of mounting groove 41 may be used also
To be other shapes, the application to this with no restriction.
Fig. 4 is the structural schematic diagram of support plate, and referring to fig. 4, the outer edge of support plate 4 corresponds to the position of 41 two sides of mounting groove
Equipped with installation side 4a, the both ends of press strip 5 are respectively and fixedly installed on two installation side 4a.Preferably, mounting groove 41 can be half
Circular trough.
Fig. 5 is the B-B direction perspective view of pulley gear, and in the present embodiment, pulley gear further includes first connecting rod 6, the
The both ends of one connecting rod 6 are fixedly connected with two axle end baffle plates 3 respectively, and first connecting rod 6 and two axle end baffle plates 3 mutually hang down
Directly, so that the structure of two axle end baffle plates 3 is more firm, the structural integrity of pulley gear is improved.
Referring again to Fig. 2, one end of press strip 5 is extended with the first linking arm 51, and the first linking arm 51 and first connecting rod 6 are solid
Fixed connection, to increase the installation stable degree of press strip 5, improves the reliability of pulley gear.
Referring again to Fig. 1, pulley gear further includes the second connecting rod 7, the both ends of the second connecting rod 7 respectively with two shaft ends
Baffle 3 is fixedly connected, and the second connecting rod 7 is mutually perpendicular to two axle end baffle plates 3, further increases the knot of pulley gear
Structure globality.
Referring again to Fig. 2, the other end of press strip 5 is extended with the second linking arm 52, the second linking arm 52 and the second connecting rod 7
It is fixedly connected, to further increase the installation stable degree of press strip 5, improves the reliability of pulley gear.
Preferably, the first linking arm 51 and the second linking arm 52 can be connect with first connecting rod 6 and the two the second respectively
Bar 7 is bolted.
Preferably, press strip 5 is fixedly mounted in support plate 4 by bolt 53.In above-mentioned implementation, when assembly pulley
When device, first pulley assembly 2 can be installed to wheel shaft 1, then installed wheel shaft 1 to mounting groove 41, and 11 court of card slot
It places, finally installs press strip 5 to support plate 4, to complete the assembly work of pulley gear to the opening of mounting groove 41.By
In pulley assembly 2 and wheel shaft 1 can be whole assembly, once so pulley assembly 2 is needed replacing or is repaired because of abrasion,
Easily pulley assembly 2 and wheel shaft 1 can be dismounted together directly by disassembly press strip 5.
Referring again to Fig. 1, pulley assembly 2 includes the first raising single-sheaved block 21, lifting pulley group 22,23 and of luffing pulley blocks
Second raising single-sheaved block 24, the first raising single-sheaved block 21, lifting pulley group 22, luffing pulley blocks 23 and the second raising single-sheaved block 24
Successively slideably arranged for interval is on wheel shaft 1, so as to realize the wirerope lifting of crane by pulley gear and become
Width.Also, the wirerope due to winding in lifting pulley group 22 and luffing pulley blocks 23 is more than the first raising single-sheaved block 21 and the
The wirerope wound on two raising single-sheaved blocks 24, so when lifted weight is acted on by wind-force, lifting pulley group 22 and luffing
Pulley blocks 23 will be arranged in pulley gear by bigger wind load, therefore by lifting pulley group 22 and luffing pulley blocks 23
Portion, the i.e. position far from axle end baffle plate 3 can effectively reduce pulley assembly 2 to the active force of axle end baffle plate 3.
Specifically, the corresponding position being inserted into mounting groove 41 is equipped with the shaft shoulder 12 on wheel shaft 1, and it is sliding that the shaft shoulder 12 is folded in raising
Between wheel group 22 and luffing pulley blocks 23, to play the work of axially position to lifting pulley group 22 and luffing pulley blocks 23
With.
Preferably, card slot 11 can be set on the shaft shoulder 12, consequently facilitating press strip 5 is coupled.
In the present embodiment, pulley gear further includes first partition 8 and second partition 9, first partition 8 and second partition 9
It is each attached on cantilever crane 100 and is parallel to each other with support plate 4, the setting of first partition 8 is sliding in the first raising single-sheaved block 21 and raising
Between wheel group 22, second partition 9 is arranged between luffing pulley blocks 23 and the second raising single-sheaved block 24, and wheel shaft 1 is inserted into first
On partition 8 and second partition 9, to play the work of axially position to the second raising single-sheaved block 24 and the first raising single-sheaved block 21
With.
Preferably, first partition 8 and the structure of second partition 9 can be identical as support plate 4, and support plate 4, first partition
8 and second partition 9 on mounting groove 41 it is coaxially arranged, it is same in first partition 8 and second partition 9 for the firm installation of wheel shaft 1
Press strip 5 also can be set in sample, the specific mounting means of the press strip 5 in first partition 8 and second partition 9 and the pressure in support plate 4
The mounting means of item 5 is essentially identical, and this will not be repeated here.It should be noted that in order to simplify the structure of wheel shaft 1, it is right on wheel shaft 1
Answer the position of first partition 8 and second partition 9 that can be not provided with mounting groove 41, at this point, press strip 5 is only used for limiting on wheel shaft 1
In first partition 8 and second partition 9.
Preferably, support plate 4, first partition 8 and second partition 9 can be directly welded on cantilever crane 100, to guarantee
The structural stability of pulley gear.
In the present embodiment, the first axle sleeve 13 and the second axle sleeve 14 are set on wheel shaft 1, the first axle sleeve 13 is folded in first
Between raising single-sheaved block 21 and first partition 8, the second axle sleeve 14 is folded between the second raising single-sheaved block 24 and second partition 9,
To play the role of further axially position to the first raising single-sheaved block 21 and the second raising single-sheaved block 24.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of pulley gear for crane, suitable for being fixed on the cantilever crane of crane, the pulley gear includes wheel
Axis, pulley assembly and two axle end baffle plates, described two axle end baffle plates are each attached on the cantilever crane of crane and the cloth that is parallel to each other
It sets, the both ends of the wheel shaft are respectively and vertically fixed on described two axle end baffle plates, and the pulley assembly is rotatably mounted around
On the wheel shaft and between described two axle end baffle plates, which is characterized in that
The pulley gear further includes support plate and press strip, and the support plate is fixed on the cantilever crane, and the support plate is located at
It between two axle end baffle plates and is arranged parallel, is offered in the support plate from the outer edge of the support plate to institute
The mounting groove that the middle part of support plate extends is stated, the wheel shaft is inserted into the mounting groove, opens up on the periphery wall of the wheel shaft
There is the card slot extended along the axis direction perpendicular to the wheel shaft, the both ends of the press strip are fixedly mounted in the support plate,
And it is assembled in the middle part of the press strip in the card slot.
2. pulley gear according to claim 1, which is characterized in that the pulley gear further includes first connecting rod, institute
The both ends for stating first connecting rod are fixedly connected with described two axle end baffle plates respectively, and the first connecting rod and described two axis
End-stopping plate is mutually perpendicular to.
3. pulley gear according to claim 2, which is characterized in that one end of the press strip is extended with the first linking arm,
First linking arm is fixedly connected with the first connecting rod.
4. pulley gear according to claim 1-3, which is characterized in that the pulley assembly includes the first raising
Single-sheaved block, lifting pulley group, luffing pulley blocks and the second raising single-sheaved block, the first raising single-sheaved block, the lifting pulley
Group, the luffing pulley blocks and the second raising single-sheaved block successively slideably arranged for interval on the wheel shaft.
5. pulley gear according to claim 4, which is characterized in that correspondence is inserted into the mounting groove on the wheel shaft
Position be equipped with the shaft shoulder, the shaft shoulder is folded between the lifting pulley group and the luffing pulley blocks.
6. pulley gear according to claim 4, which is characterized in that the pulley gear further includes first partition and second
Partition, the first partition and the second partition are each attached on the cantilever crane and are parallel to each other with the support plate, described
First partition is arranged between the first raising single-sheaved block and the lifting pulley group, and the second partition is arranged in the change
Between width pulley blocks and the second raising single-sheaved block, the wheel shaft is inserted into the first partition and the second partition.
7. pulley gear according to claim 6, which is characterized in that be set with the first axle sleeve and the second axis on the wheel shaft
Set, first axle sleeve are folded between the first raising single-sheaved block and the first partition, and second axle sleeve is folded in
Between the second raising single-sheaved block and the second partition.
8. pulley gear according to claim 1-3, which is characterized in that the press strip is bolted installation
In the support plate.
9. pulley gear according to claim 3, which is characterized in that the pulley gear further includes the second connecting rod, institute
The both ends for stating the second connecting rod are fixedly connected with described two axle end baffle plates respectively, and second connecting rod and described two axis
End-stopping plate is mutually perpendicular to.
10. pulley gear according to claim 9, which is characterized in that the other end of the press strip is extended with the second connection
Arm, second linking arm are fixedly connected with second connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611153945.2A CN106829768B (en) | 2016-12-14 | 2016-12-14 | A kind of pulley gear for crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611153945.2A CN106829768B (en) | 2016-12-14 | 2016-12-14 | A kind of pulley gear for crane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106829768A CN106829768A (en) | 2017-06-13 |
| CN106829768B true CN106829768B (en) | 2019-04-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611153945.2A Active CN106829768B (en) | 2016-12-14 | 2016-12-14 | A kind of pulley gear for crane |
Country Status (1)
| Country | Link |
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| CN (1) | CN106829768B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1797406A (en) * | 1928-03-08 | 1931-03-24 | Marion Machine Foundry & Suppl | Sheave crown block |
| SU965981A1 (en) * | 1980-06-06 | 1982-10-15 | Всесоюзный Научно-Исследовательский Институт По Монтажным И Специальным Строительным Работам | Multisheave tackle block |
| EP0533501A1 (en) * | 1991-09-20 | 1993-03-24 | The Manitowoc Company, Inc. | Easily removable sheave assembly |
| JPH1171095A (en) * | 1997-08-29 | 1999-03-16 | Tadano Ltd | Mobile crane |
| CN203065056U (en) * | 2012-12-24 | 2013-07-17 | 三一重工股份有限公司 | Cargo boom and crane with same |
| CN203428809U (en) * | 2013-08-22 | 2014-02-12 | 徐州重型机械有限公司 | Crane and cargo boom thereof |
| CN203529848U (en) * | 2013-11-06 | 2014-04-09 | 中联重科股份有限公司 | Pulley yoke, pulley block comprising same and tower crane |
| CN203756925U (en) * | 2014-01-17 | 2014-08-06 | 中国海洋石油总公司 | Shaft end location adjusting device and mounting frame for rotation parts on shaft |
| CN204265377U (en) * | 2014-12-02 | 2015-04-15 | 河南省矿山起重机有限公司 | A kind of pulley gear and use travelling jack, the hoisting crane of this pulley gear |
-
2016
- 2016-12-14 CN CN201611153945.2A patent/CN106829768B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1797406A (en) * | 1928-03-08 | 1931-03-24 | Marion Machine Foundry & Suppl | Sheave crown block |
| SU965981A1 (en) * | 1980-06-06 | 1982-10-15 | Всесоюзный Научно-Исследовательский Институт По Монтажным И Специальным Строительным Работам | Multisheave tackle block |
| EP0533501A1 (en) * | 1991-09-20 | 1993-03-24 | The Manitowoc Company, Inc. | Easily removable sheave assembly |
| JPH1171095A (en) * | 1997-08-29 | 1999-03-16 | Tadano Ltd | Mobile crane |
| CN203065056U (en) * | 2012-12-24 | 2013-07-17 | 三一重工股份有限公司 | Cargo boom and crane with same |
| CN203428809U (en) * | 2013-08-22 | 2014-02-12 | 徐州重型机械有限公司 | Crane and cargo boom thereof |
| CN203529848U (en) * | 2013-11-06 | 2014-04-09 | 中联重科股份有限公司 | Pulley yoke, pulley block comprising same and tower crane |
| CN203756925U (en) * | 2014-01-17 | 2014-08-06 | 中国海洋石油总公司 | Shaft end location adjusting device and mounting frame for rotation parts on shaft |
| CN204265377U (en) * | 2014-12-02 | 2015-04-15 | 河南省矿山起重机有限公司 | A kind of pulley gear and use travelling jack, the hoisting crane of this pulley gear |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106829768A (en) | 2017-06-13 |
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