CN203715118U - Wheel crane and steel wire rope guide mechanism thereof - Google Patents
Wheel crane and steel wire rope guide mechanism thereof Download PDFInfo
- Publication number
- CN203715118U CN203715118U CN201320877775.8U CN201320877775U CN203715118U CN 203715118 U CN203715118 U CN 203715118U CN 201320877775 U CN201320877775 U CN 201320877775U CN 203715118 U CN203715118 U CN 203715118U
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- pulley
- hole group
- dowel hole
- fixed support
- steel rope
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Abstract
The utility model discloses a wheel crane and a steel wire rope guide mechanism thereof. The steel wire rope guide mechanism comprises a fixed bracket, a pulley bracket and a pulley, wherein the fixed bracket is fixedly connected with a connection bracket; the pulley bracket is connected with the fixed bracket and rotatably connected with the pulley; the wheel crane is used for hoisting by a secondary arm; an elevation angle of the secondary arm is greater than 0 degree; the pulley is arranged above a connection point between the secondary arm and the connection bracket; a steel wire rope of the wheel crane extends out of a main arm pulley and winds the pulley to be connected with a hook. Compared with the prior art, after adopting the steel wire rope guide mechanism, the wheel crane has the advantages that the secondary arm is used for hoisting, the elevation angle of the secondary arm is greater than 0 degree, and the steel wire rope is tensioned between a main arm guide pulley and a secondary arm guide pulley through the pulley to guide the motion of the steel wire rope relative to a lifting arm, thereby avoiding the problem of abrasion between the steel wire rope and the secondary arm caused by direct contact between the steel wire rope and the secondary arm during lifting of the crane, and ensuring the normal service life of the steel wire rope and the bearing capacity of the secondary arm.
Description
Technical field
The utility model relates to technical field of engineering machinery, particularly a kind of wheel crane and steel rope guiding mechanism thereof.
Background technology
As shown in Figure 1, the figure shows the local structure schematic diagram of wheel crane, wheel crane use principal arm 1 ' and auxiliary 2 ' combine, to realize by a larger margin and height lift heavy.Under normal circumstances, both are by link span 3 ' be fixedly connected with.When using 1 ' time of auxiliary, from pair volume pull-out steel rope by principal arm 1 ' and link span 3 ', be finally connected with suspension hook through auxiliary pulley again, carry out lift heavy operation.For the ease of understanding better, please also refer to Fig. 2, the figure shows the local enlarged diagram at A place in Fig. 1.
At present, main arm of crane 1 ' and auxiliary 2 ' between mode of operation linearly, for avoiding lifting by crane thing and auxiliary 2 ' interfere, within therefore sling height can only be limited in certain scope.Find through actual lift heavy operation, in the time of principal arm 1 ' with auxiliary 2 ' at an angle, operation amplitude and the hoisting depth of wheel crane have all obtained certain improvement.
But, in the time of wheel crane principal arm 1 ' with auxiliary 2 ' lifting operation at an angle, steel rope 4 ' with principal arm 1 ' and auxiliary 2 ' generation acutely rub, so not only cause steel rope 4 ' wearing and tearing even to rupture, and make auxiliary 2 ' surperficial peeling paint even occur drawing trace phenomenon, finally have influence on auxiliary 2 ' mechanical strength, when the auxiliary elevation angle is that 30 ° of this phenomenons are particularly outstanding.
In view of this, those skilled in the art urgently provide a kind of steel rope guiding mechanism, while using the operation of auxiliary lift heavy to solve wheel crane, steel rope and auxiliary friction and cause both friction faces to wear and tear, the problem that causes wire cable rupture and/or auxiliary load-carrying capacity to weaken.
Utility model content
For above-mentioned defect, the purpose of this utility model is, a kind of wheel crane and steel rope guiding mechanism thereof are provided, while using auxiliary lift heavy operation and the auxiliary elevation angle to be greater than 0 ° to solve wheel crane, steel rope and auxiliary friction and cause the wearing and tearing of both friction faces, the problem that causes wire cable rupture and/or auxiliary load-carrying capacity to weaken.
For solving the problems of the technologies described above, the utility model provides a kind of steel rope guiding mechanism for wheel crane, comprise fixed support, pulley bracket and pulley, wherein, fixed support is for being fixedly connected with the link span of wheel crane, pulley bracket is connected with rotationally pulley and is connected on fixed support, wheel crane uses auxiliary lift heavy operation and the auxiliary elevation angle to be greater than 0 °, pulley is positioned at the point of connection top of auxiliary and link span, and the steel rope of wheel crane is stretched out by its principal arm pulley and walks around pulley and is connected with its suspension hook.
Compared with prior art, adopt after the steel rope guiding mechanism of said structure, in the time that wheel crane uses auxiliary lift heavy operation and the auxiliary elevation angle to be greater than 0 °, by pulley by steel wire tensioning between major and minor arm leading sheave, motion with guide steel wire rope with respect to crane arm, the problem that while having avoided hoisting crane hoisting operation, steel rope causes both to wear and tear with direct contact of auxiliary, thus the normal service life of steel rope and the load-carrying capacity of auxiliary ensured.
In a preferred version of the present utility model, fixed support is fixedly connected with by least two bearing pins with described pulley bracket; Fixed support has respectively and two the first dowel hole group and the second dowel hole groups that described bearing pin is suitable, and described pulley bracket has respectively and two the 3rd dowel hole group and the 4th dowel hole groups that described bearing pin is suitable.
When steel rope guiding mechanism is installed, first fixed support is fixedly connected on link span, be connected pulley bracket and fixed support by the first dowel hole group with the 3rd dowel hole group by a bearing pin again, then make pulley bracket turn to the second dowel hole group and the 4th dowel hole group aligns around this bearing pin, finally by another bearing pin dead sheave support and fixed support.
Obviously, this programme is connected and fixed support and pulley bracket by alignment pin, has dismounting feature easy and simple to handle.
Preferably, described wheel crane is converted to non-lift heavy operating condition by lift heavy operating condition, described pulley bracket can one rotate with respect to described fixed support in two described bearing pins, extremely described pulley is positioned in the outer contour of described link span, and realizes both fixing by another bearing pin; Described fixed support and described pulley bracket have respectively the 5th dowel hole group and the 6th dowel hole group, and described the 5th dowel hole group and described the 6th dowel hole group and corresponding described bearing pin are suitable.
This programme is by offering respectively the 5th suitable dowel hole group and the 6th dowel hole group at fixed support and pulley bracket, and by limiting pulley bracket and fixed support relative motion relation, so not only can realize lift heavy operating condition lower guide mechanism to steel rope guide function, and in the time that wheel crane is positioned at non-lift heavy operating condition, pulley can be hidden in link span, to reduce the impact on wheel crane whole height of setting up because of guiding mechanism as far as possible, avoid the potential safety hazard causing because of wheel crane superelevation or local projection.
Preferably, described fixed support comprises base plate and two risers, and described fixed support is fixedly connected with described link span by described base plate, and two described risers are fixedly connected on described base plate side by side; Described the first dowel hole group, the second dowel hole group and the 5th dowel hole group three include two dowel holes, and two dowel holes are located at respectively the relative position of two described risers.
Preferably, described pulley bracket comprises intermediate plate, two side plates that are oppositely arranged and center shaft, two described side plates are fixedly connected with by described intermediate plate, and the middle part of described center shaft is rotating is arranged with described pulley, its two ends are fixedly connected on respectively on two described side plates; The 3rd dowel hole group, the 4th dowel hole group and the 6th dowel hole group three include two dowel holes, and two dowel holes are located at respectively the relative position of two described side plates.
The utility model also provides a kind of wheel crane, comprises principal arm, auxiliary and link span, and principal arm is fixedly connected with by link span with auxiliary, also comprises the steel rope guiding mechanism being fixedly connected on link span, and this steel rope guiding mechanism is specially as above structure.
Because above-mentioned link span has technique effect as above, therefore, comprise that the wheel crane of this link span also should have identical technique effect, do not repeat them here.
Brief description of the drawings
Fig. 1 shows the local structure schematic diagram of wheel crane;
Fig. 2 shows the local enlarged diagram at A place in Fig. 1;
Fig. 3 shows the local structure schematic diagram of wheel crane provided by the utility model;
Fig. 4 shows the local enlarged diagram in B place in Fig. 3;
Fig. 5 shows the structural representation of steel rope guiding mechanism shown in Fig. 3 and link span assembly under lift heavy operating condition;
Fig. 6 shows the structural representation of steel rope guiding mechanism shown in Fig. 3 and link span assembly under non-lift heavy operating condition;
Fig. 7 shows the support bracket fastened structural representation shown in Fig. 3;
Fig. 8 shows pulley bracket described in Fig. 3 and the structural representation of pulley assembly.
Corresponding relation in Fig. 1 and Fig. 2 between Reference numeral and all parts title:
1 ' principal arm, 2 ' auxiliary, 3 ' link span, 4 ' steel rope.
Corresponding relation in Fig. 3 to Fig. 6 between Reference numeral and all parts title:
1 principal arm, 2 auxiliarys, 3 link spans, 4 steel ropes, 5 fixed supports, 51 base plates, 52 risers, 521 first dowel hole groups, 522 second dowel hole groups, 523 the 5th dowel hole groups, 6 pulley brackets, 61 intermediate plates, 62 side plates, 621 the 3rd dowel hole groups, 622 the 4th locating dowel pin control groups, 623 the 6th dowel hole groups, 63 center shafts, 7 pulleys, 8 bearing pins.
Detailed description of the invention
Core of the present utility model is, a kind of wheel crane and steel rope guiding mechanism thereof are provided, while using auxiliary lift heavy operation and the auxiliary elevation angle to be greater than 0 ° to solve wheel crane, steel rope and auxiliary friction and cause the wearing and tearing of both friction faces, the problem that causes wire cable rupture and/or auxiliary load-carrying capacity to weaken.
The detailed description of the invention that steel rope guiding mechanism provided by the utility model is now described by reference to the accompanying drawings with and with wheel crane assembly.
Refer to Fig. 3 to Fig. 5, wherein, Fig. 3 shows the local structure schematic diagram of wheel crane provided by the utility model, Fig. 4 shows the local enlarged diagram in B place in Fig. 3, and Fig. 5 shows the structural representation of steel rope guiding mechanism shown in Fig. 3 and link span assembly under lift heavy operating condition.
As shown in Figure 3, the steel rope guiding mechanism that this programme provides, comprises fixed support 5, pulley bracket 6 and pulley 7, wherein, fixed support 5 is for being fixedly connected with the link span 3 of wheel crane, and pulley bracket 6 is connected in fixed support 5 and is connected with rotationally pulley 7; When wheel crane uses auxiliary 2 lift heavy operations and the auxiliary elevation angle to be greater than 0 °, pulley 7 is positioned at the point of connection top of auxiliary 2 and link span 3, and the steel rope 4 of wheel crane is stretched out by its principal arm pulley 7 and walks around pulley 7 and is connected with its suspension hook.For the ease of understanding better the concrete structure of steel rope guiding mechanism, please also refer to Fig. 4 and Fig. 5.
Compared with prior art, adopt after steel rope 4 guiding mechanisms of said structure, in the time that wheel crane uses auxiliary 2 lift heavy operations and auxiliary 2 elevations angle to be greater than 0 °, by pulley 7, steel rope 4 is tensioned between major and minor arm leading sheave 7, motion with guide steel wire rope 4 with respect to major and minor arm 2 and link span 3, while having avoided lift heavy operation, steel rope 4 contacts with the direct of auxiliary 2, and the problem that causes both to wear and tear, thereby ensure the normal service life of steel rope 4 and the load-carrying capacity of auxiliary 2.
As shown in Figure 4, fixed support 5 is fixedly connected with by least two bearing pins 8 with pulley bracket 6; Fixed support 5 has respectively and two the first dowel hole group 521 and the second dowel hole groups 522 that bearing pin 8 is suitable, and pulley 7 supports 6 have respectively three dowel hole group 621 and the four dowel hole group 622 suitable with two.For the ease of understanding the annexation of fixed support 5 and pulley bracket 6, please also refer to Fig. 5, Fig. 7 and Fig. 8, wherein, Fig. 7 shows the support bracket fastened structural representation shown in Fig. 3, and Fig. 8 shows pulley bracket described in Fig. 3 and the structural representation of pulley assembly.
When steel rope guiding mechanism is installed, first fixed support 5 is fixedly connected on link span 3, be connected pulley bracket 6 and fixed support 5 by the first dowel hole group 521 with the 3rd dowel hole group 621 by a bearing pin 8 again, then make pulley bracket 6 turn to the second dowel hole group 522 and the 4th dowel hole group 622 aligns around this bearing pin 8, finally by another bearing pin 8 dead sheave supports 6 and fixed support 5.
Obviously, this programme is connected and fixed support 5 and pulley bracket 6 by alignment pin 8, has dismounting feature easy and simple to handle.Be appreciated that satisfied and be connected and fixed on the basis of support 5 and pulley bracket 6 functions, processing and assembly technology requirement, also can be fixedly connected with by the mode such as thread connection or welding between the two.It should be noted that, the quantity of bearing pin 8 is determined according to two required Joint strenghts of connected piece, and therefore, the quantity of bearing pin 8 also can be other numerical value such as 3,4.
Further, wheel crane is converted to non-lift heavy operating condition by lift heavy operating condition, pulley bracket 6 can one rotate with respect to fixed support 5 in two bearing pins 8, is positioned in the outer contour of link span 3, and realizes both fixing by another bearing pin 8 to pulley 7; It is suitable with corresponding bearing pin 8 that fixed support 5 and pulley bracket 6 have respectively the 5th dowel hole group 523 and the 6th dowel hole group 623, the five dowel hole groups 523 and the 6th dowel hole group 623.For the ease of understanding the position relationship of fixed support 5 and pulley bracket 6 under non-lift heavy operating condition, please also refer to Fig. 6, show the structural representation of steel rope guiding mechanism shown in Fig. 3 and link span assembly under non-lift heavy operating condition.
This programme is by offering respectively the 5th suitable dowel hole group 523 and the 6th dowel hole group 623 at fixed support 5 and pulley bracket 6, and by limiting pulley bracket 6 and fixed support 5 relative motion relation, so not only can realize the directional tagging of lift heavy operating condition lower guide mechanism to steel rope 4, and in the time that wheel crane is positioned at non-lift heavy operating condition, pulley 7 can be hidden in link span 3, to reduce the impact on wheel crane whole height of setting up because of guiding mechanism as far as possible, avoid the potential safety hazard causing because of wheel crane superelevation or local projection.
Below in conjunction with Fig. 5 to Fig. 8, introduce respectively the concrete structure of fixed support 5 and pulley bracket 6.
As shown in Figure 5, fixed support 5 comprises base plate 51 and two risers 52, and fixed support 5 is fixedly connected with link span 3 by base plate 51, and two risers 52 are fixedly connected on base plate 51 side by side; Pulley 7 supports 6, between two risers 52, and are fixedly connected with two risers 52 by bearing pin 8.The first dowel hole group 521, the second dowel hole group 522 and the 5th dowel hole group 523 include two dowel holes, and two dowel holes are located at respectively the relative position of two described risers 52.For the ease of understanding better the structure of fixed support 5, please also refer to Fig. 7.
Pulley bracket 6 comprises intermediate plate 61, two side plates 62 that are oppositely arranged and center shaft 63, two side plates 62 are fixedly connected with by intermediate plate 61, the middle part of center shaft 63 is rotating is arranged with pulley 7, its two ends are fixedly connected on respectively on two side plates 62, and pulley bracket 6 is fixedly connected with fixed support 5 by two side plates 62; The 3rd dowel hole group 621, the 4th dowel hole group 622 and the 6th dowel hole group 623 include two dowel holes, and two dowel holes are located at respectively the relative position of two described side plates 62.For the ease of understanding the concrete structure of pulley bracket 6, please also refer to Fig. 8.
In this programme, fixed support 5 and pulley bracket 6 are assembled by multiple plates, have advantages of that quality is light, tooling cost is low.In addition, the dowel hole suitable with bearing pin 8 is all opened in same plate, therefore easily ensures the width between centers dimensional accuracy between three groups of dowel holes by machining mode, can prevent because of the dowel hole problem of doing over again that misplaces.Be appreciated that and meeting on the basis of processing with assembly technology requirement, both also can adopt other versions.
Except above-mentioned link span, the utility model also provides a kind of wheel crane, the utility model also provides a kind of wheel crane, comprise principal arm, auxiliary and link span, principal arm is fixedly connected with by link span with auxiliary, also comprise the steel rope guiding mechanism being fixedly connected on link span, this steel rope guiding mechanism is specially as above structure.The basic function parts and the principle of work that are appreciated that this wheel crane of formation are identical with prior art, and those skilled in the art can realize completely based on prior art, therefore repeat no more herein.
The foregoing is only preferred implementation of the present utility model, do not form the restriction to the utility model protection domain.Any any amendment of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in claim protection domain of the present utility model.
Claims (6)
1. the steel rope guiding mechanism for wheel crane, it is characterized in that, comprise fixed support (5), pulley bracket (6) and pulley (7), described fixed support (5) is for being fixedly connected with the link span (3) of wheel crane, and described pulley bracket (6) is connected in described fixed support (5) and is connected with rotationally described pulley (7); Described wheel crane uses its auxiliary (2) lift heavy operation and its auxiliary elevation angle to be greater than 0 °, described pulley (7) is positioned at the point of connection top of described auxiliary (2) and described link span (3), and the steel rope (4) of described wheel crane is stretched out by its principal arm pulley and walks around successively described pulley (7) and is connected with its suspension hook.
2. steel rope guiding mechanism according to claim 1, is characterized in that, described fixed support (5) is fixedly connected with by least two bearing pins (8) with described pulley bracket (6); Described fixed support (5) has respectively first dowel hole group (521) and the second dowel hole group (522) suitable with two described bearing pins (8), and described pulley bracket (6) has respectively three dowel hole group (621) and the four dowel hole group (622) suitable with two described bearing pins (8).
3. steel rope guiding mechanism according to claim 2, it is characterized in that, described wheel crane is converted to non-lift heavy operating condition by lift heavy operating condition, described pulley bracket (6) can one rotate with respect to described fixed support (6) in two described bearing pins (8), extremely described pulley (7) is positioned in the outer contour of described link span, and realizes both fixing by another bearing pin (8); Described fixed support (5) and described pulley bracket (6) have respectively the 5th dowel hole group (523) and the 6th dowel hole group (623), and described the 5th dowel hole group (523) and described the 6th dowel hole group (523) are suitable with corresponding described bearing pin (8).
4. steel rope guiding mechanism according to claim 3, it is characterized in that, described fixed support (5) comprises base plate (51) and two risers (52), described fixed support (5) is fixedly connected with described link span (3) by described base plate (51), and two described risers (52) are fixedly connected on described base plate (51) side by side; Described the first dowel hole group (521), the second dowel hole group (522) and the 5th dowel hole group (523) three include two dowel holes, and two dowel holes are located at respectively the relative position of two described risers (52).
5. steel rope guiding mechanism according to claim 3, it is characterized in that, described pulley bracket (6) comprises intermediate plate (61), two side plates (62) that are oppositely arranged and center shaft (63), two described side plates (62) are fixedly connected with by described intermediate plate (61), and the middle part of described center shaft (63) is rotating is arranged with described pulley (7), its two ends are fixedly connected on respectively on two described side plates (62); The 3rd dowel hole group (621), the 4th dowel hole group (622) and the 6th dowel hole group (623) three include two dowel holes, and two dowel holes are located at respectively the relative position of two described side plates (62).
6. a wheel crane, comprise the principal arm (1) and the auxiliary (2) that connect by link span (3), also comprise the steel rope guiding mechanism being arranged on described link span (3), it is characterized in that, described steel rope guiding mechanism is specially the steel rope guiding mechanism as described in any one in claim 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320877775.8U CN203715118U (en) | 2013-12-27 | 2013-12-27 | Wheel crane and steel wire rope guide mechanism thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320877775.8U CN203715118U (en) | 2013-12-27 | 2013-12-27 | Wheel crane and steel wire rope guide mechanism thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203715118U true CN203715118U (en) | 2014-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320877775.8U Expired - Fee Related CN203715118U (en) | 2013-12-27 | 2013-12-27 | Wheel crane and steel wire rope guide mechanism thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203715118U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105540462A (en) * | 2015-12-29 | 2016-05-04 | 徐州重型机械有限公司 | Auxiliary boom guiding pulley installation device and crane |
| CN106672824A (en) * | 2016-12-22 | 2017-05-17 | 中联重科股份有限公司 | Rope pulley assembly and engineering mechanism |
| CN106910543A (en) * | 2017-03-30 | 2017-06-30 | 上海核工程研究设计院 | A kind of PWR nuclear power plant fuel assembly contained side type loads steering tool |
| CN107902553A (en) * | 2017-09-29 | 2018-04-13 | 武汉船用机械有限责任公司 | The steel wire rope power takeoff and crane of a kind of crane |
| CN109319670A (en) * | 2018-12-18 | 2019-02-12 | 徐工集团工程机械有限公司 | Crane arm and hoisting machinery |
-
2013
- 2013-12-27 CN CN201320877775.8U patent/CN203715118U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105540462A (en) * | 2015-12-29 | 2016-05-04 | 徐州重型机械有限公司 | Auxiliary boom guiding pulley installation device and crane |
| CN105540462B (en) * | 2015-12-29 | 2017-09-19 | 徐州重型机械有限公司 | Auxiliary leading block erecting device and crane |
| CN106672824A (en) * | 2016-12-22 | 2017-05-17 | 中联重科股份有限公司 | Rope pulley assembly and engineering mechanism |
| CN106910543A (en) * | 2017-03-30 | 2017-06-30 | 上海核工程研究设计院 | A kind of PWR nuclear power plant fuel assembly contained side type loads steering tool |
| CN107902553A (en) * | 2017-09-29 | 2018-04-13 | 武汉船用机械有限责任公司 | The steel wire rope power takeoff and crane of a kind of crane |
| CN109319670A (en) * | 2018-12-18 | 2019-02-12 | 徐工集团工程机械有限公司 | Crane arm and hoisting machinery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20201227 |