CN203699728U - Automatic auxiliary arm driving mechanism of crane, crane cantilever and crane - Google Patents
Automatic auxiliary arm driving mechanism of crane, crane cantilever and crane Download PDFInfo
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- CN203699728U CN203699728U CN201420053809.6U CN201420053809U CN203699728U CN 203699728 U CN203699728 U CN 203699728U CN 201420053809 U CN201420053809 U CN 201420053809U CN 203699728 U CN203699728 U CN 203699728U
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- crane
- auxiliary
- driving mechanism
- arm
- auxiliary arm
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- 230000007246 mechanism Effects 0.000 title claims abstract description 27
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of engineering machinery, particularly to an automatic auxiliary arm driving mechanism of a crane, a crane cantilever and the crane. The automatic auxiliary arm driving mechanism of the crane comprises a driving motor, a driving gear, a driven gear and a rotating shaft, wherein the driving motor drives the driving gear to rotate, then the rotating shaft is driven to rotate through the driven gear, and the rotation of the rotating shaft can drive an auxiliary arm to rotate so as to enable hinged heads on the other side of the auxiliary arm to be in contact with and hinged to hinged heads on the other side of a front end arm, therefore, a manner that the motor drives the auxiliary arm to rotate automatically is realized, and the auxiliary arm can be mounted reliably without being dragged manually. The automatic auxiliary arm driving mechanism of the crane is simple in structure, small in mounting space, and not limited by the length of a rack, can realize automatic rotation of the auxiliary arm in a wide range, and is convenient to assemble, and easy to implement.
Description
Technical field
The utility model relates to technical field of engineering machinery, relates in particular to a kind of crane subsidiary arm automatic driving mechanism, jib boom and hoisting crane.
Background technology
At present, it is mainly to complete by bearing pin is hinged by the two pairs of articulated joints of auxiliary afterbody and two pairs of articulated joints (each side a pair of) of principal arm front end arm that the principal arm of jib boom is connected with the installation of auxiliary, particularly, as shown in Figure 1, principal arm 1 comprises basic arm 11 and front end arm 12, auxiliary 2 install be mainly the hinge of a pair of articulated joint (being two articulated joints of auxiliary near front end arm 12 1 sides) of auxiliary afterbody next-door neighbour principal arm 1 one sides and the hinge of a pair of articulated joint in principal arm front end arm right side hinged after, by manually pull make auxiliary around insert bearing pin be that center of gyration is rotated, and then the hinge hole of auxiliary afterbody opposite side articulated joint is overlapped with front end arm left side hinge, after fixing with bearing pin, realizing auxiliary installs.
But in the time that auxiliary rotates centered by the hinge of afterbody one side, due to the Action of Gravity Field of auxiliary, rotation is difficulty comparatively, and increases with vehicle tonnage, manually-operated difficulty is just larger.
To this, as shown in Figure 2, Granted publication number is that the Chinese invention patent of CN102849632A discloses the automatic retraction device of a kind of crane subsidiary arm, the side that its principal arm 1 is installed auxiliary 2 is provided with tooth bar 8, auxiliary and principal arm sides adjacent between articulated joint, be provided with up and down axis of revolution, the first gear 30 is installed on axis of revolution, the first gear 30 engages with tooth bar 8, affect tooth bar 8 to move by hydraulic ram 6 grades, thereby drive the first gear 30 to rotate, auxiliary 2 is rotated centered by axis of revolution, thereby complete automatic rotation.But, the automatic retraction device of this crane subsidiary arm due to hydraulic pressure and Control System Design and layout all very complicated, and hydraulic ram 6 and tooth bar 8 and tooth bar setting device are all arranged on to basic arm 11 sides of principal arm 1, need larger installing space, and the scope of auxiliary 2 automatic rotaries is subject to the restriction of tooth bar length.
Therefore,, for above deficiency, the utility model provides a kind of crane subsidiary arm automatic driving mechanism, jib boom and hoisting crane.
Utility model content
(1) technical matters that will solve
The purpose of this utility model is to provide a kind of crane subsidiary arm automatic driving mechanism, jib boom and hoisting crane to solve the large and automatic retraction device complex structure of existing auxiliary of the manual operation difficulty existing in existing auxiliary installation process, installing space is large and automatic rotary is range limited problem.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of crane subsidiary arm automatic driving mechanism on the one hand, it comprises drive motor, driving gear, driven gear and S. A., described drive motor is arranged on a side of the nearly auxiliary of front end arm rest, the two ends of described S. A. are fixedly connected on respectively between two articulated joints of auxiliary near front end arm one side, and the hinged center superposition of the axis of described S. A. and described articulated joint, described driving gear is arranged in the rotating shaft of described drive motor, described driven gear is arranged on described S. A., described driving gear and driven gear are meshed.
Wherein, it also comprises controller, and described controller is electrically connected with described drive motor.
Wherein, described drive motor is arranged on front end arm adjustablely.
Wherein, described S. A. and described articulated joint are integrally formed.
Wherein, described controller is arranged on front end arm.
Wherein, described driven gear is arranged on the middle part of described S. A..
The utility model provides a kind of jib boom on the other hand, and it comprises above-mentioned crane subsidiary arm automatic driving mechanism.
In addition, the utility model also provides a kind of hoisting crane, and it comprises above-mentioned jib boom.
(3) beneficial effect
Technique scheme tool of the present utility model has the following advantages: the crane subsidiary arm automatic driving mechanism that the utility model provides, in jib boom and hoisting crane, drive motor drives driving gear to rotate, driving gear drives driven gear to rotate, and then drive S. A. to rotate by driven gear, because the two ends of S. A. are separately fixed between two articulated joints of auxiliary near front end arm one side, the rotation of S. A. can drive the rotation of auxiliary, so that the articulated joint of auxiliary opposite side contacts with the articulated joint of front end arm opposite side and is hinged, and then realize driven by motor auxiliary automatic rotary, do not need artificial drag operation to complete the reliable installation of auxiliary, this crane subsidiary arm automatic driving mechanism is simple in structure, installing space is little, be not subject to the restriction of tooth bar length, can realize the large-scale automatic rotary of auxiliary, crane subsidiary arm automatic driving mechanism of the present utility model is easy to assembly, easy to implement.
Brief description of the drawings
Fig. 1 is the principal arm of hoisting crane and the structural representation of auxiliary in prior art;
Fig. 2 is the structural representation of the automatic retraction device of auxiliary of hoisting crane in prior art;
Fig. 3 is the birds-eye view with the jib boom of the utility model crane subsidiary arm automatic driving mechanism;
Fig. 4 is the utility model crane subsidiary arm automatic driving mechanism front elevation in Fig. 3;
Fig. 5 is the local enlarged diagram at I position in Fig. 3.
In figure, 1: principal arm; 11: basic arm; 12: front end arm; 2: auxiliary; 21: S. A.; 3: driven gear; 30: the first gears; 4: drive motor; 5: driving gear; 6: hydraulic ram; 7: auxiliary mounting bracket; 8: tooth bar; 9: bearing pin.
Detailed description of the invention
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is described in further detail.Following examples are used for illustrating the utility model, but are not used for limiting scope of the present utility model.
In description of the present utility model, it should be noted that, term " on ", orientation or the position relationship of the instruction such as D score, 'fornt', 'back', " left side ", " right side " be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, construct and operation with specific orientation, therefore can not be interpreted as restriction of the present utility model.
As shown in Figure 3, usually, the principal arm 1 of hoisting crane comprises basic arm 11 and front end arm 12, the tail end of auxiliary 2 and front end arm 12 are in installation process, the articulated joint of the side on the auxiliary mounting bracket 7 on a pair of articulated joint and the front end arm 12 of tail end one side of auxiliary 2 is first hinged, and then on the articulated joint of the tail end opposite side of auxiliary 2 and auxiliary mounting bracket 7, the articulated joint of opposite side is hinged again.As Fig. 3, shown in Fig. 4 and Fig. 5, crane subsidiary arm 2 automatic driving mechanisms that the utility model provides comprise controller, drive motor 4, driving gear 5, driven gear 3 and S. A. 21, described drive motor 4 is arranged on the side of front end arm 12 near auxiliary 2, the two ends of described S. A. 21 are fixedly connected on respectively between two articulated joints (being a pair of articulated joint of tail end one side of auxiliary 2) of auxiliary 2 near front end arm 12 1 sides, and the hinged center superposition of the axis of described S. A. 21 and described articulated joint, described driving gear 5 is arranged in the rotating shaft of described drive motor 4, described driven gear 3 is arranged on S. A. 21, described driving gear 5 and driven gear 3 are meshed, described controller is electrically connected with described drive motor 4.Wherein, controller can be generally a master cock, can be also other conventional controllers.
In technique scheme, when the articulated joint of auxiliary mounting bracket 7 one sides on a pair of articulated joint and the front end arm 12 of tail end one side of auxiliary 2 hinged, after making auxiliary 2 and principal arm 1 part hinged, start and control drive motor 4 by controller, the rotating shaft of drive motor 4 is rotated, drive driving gear 5 to rotate, driving gear 5 drives driven gear 3 to rotate, thereby drive S. A. 21 to rotate, because S. A. 21 is fixedly connected with the articulated joint of auxiliary 2, driven gear 3 drives auxiliary 2 to rotate together by S. A. 21, particularly, view direction taking Fig. 3 rotates counterclockwise as visual angle, until the articulated joint of opposite side contacts also hinged on the articulated joint of auxiliary 2 tail end opposite sides and the auxiliary mounting bracket 7 of front end arm 12, like this, be not subject to the restriction of tooth bar length, realize driven by motor auxiliary 2 object of automatic rotary on a large scale.
Certainly, drive motor 4 is arranged on auxiliary 2, between principal arm 1 and auxiliary 2, multiple transmission gears is set, under the driving of drive motor 4, also can realize the rotation of auxiliary 2 around principal arm 1, and then realize the installation of auxiliary.
Preferably, drive motor 4 is arranged on front end arm 12 highly adjustablely, and drive motor 4 is highly adjustable in the direction perpendicular to its attachment face, like this, can adjust the gap between driving gear 5 and driven gear 3, realizes transmission better between the two.
Further, S. A. 21 can be fixed and welded together or otherwise be fixed together with two articulated joints of auxiliary 2 one sides, also can be integrally formed.
Further, described controller is arranged on front end arm 12.Drive motor 4 and controller are arranged on existing front end arm 12 to be convenient to install, and more easily implements.
In order to make the stressed all even transmission of powers that makes in two ends of S. A. 21 more steady, part driven gear 3 is arranged on the middle part of S. A. 21.
Technique scheme in use, first the articulated joint of the side on the auxiliary mounting bracket 7 on a pair of articulated joint of the tail end of auxiliary 2 side and front end arm 12 is hinged by bearing pin 9, then, start drive motor 4 by controller, and drive motor 4 is worked under the control of controller, the rotating shaft of drive motor 4 drives driving gear 5 to rotate, driving gear 5 drives S. A. 21 to rotate by driven gear 3, and then drive auxiliary 2 to rotate together, then on the articulated joint of auxiliary 2 tail end opposite sides and the auxiliary mounting bracket 7 of front end arm 12, the articulated joint of opposite side contacts also hinged, realize the installation of auxiliary 2.
As shown in Figure 3, the jib boom that the utility model provides on the other hand comprises above-mentioned crane subsidiary arm 2 automatic driving mechanisms.Adopted after auxiliary 2 automatic driving mechanisms of the present utility model, jib boom assembling is more convenient, drives more flexibly, and the automatic rotary scope of auxiliary 2 is larger.
In addition, on the basis of technique scheme, the utility model also provides a kind of hoisting crane, and it comprises above-mentioned jib boom.
In sum, the crane subsidiary arm automatic driving mechanism that the utility model provides, in Jack cantilever and hoisting crane, drive driving gear 5 to rotate by the drive motor 4 being arranged on principal arm 1 front end arm 12, and then drive S. A. 21 to rotate the rotation that drives auxiliary 2 by driven gear 3, so that the articulated joint of opposite side contacts also hinged on the articulated joint of auxiliary 2 tail end opposite sides and the auxiliary mounting bracket 7 of front end arm 12, and then driven by motor auxiliary 2 automatic rotaries are realized, complete the reliable installation of auxiliary 2, wherein crane subsidiary arm 2 automatic driving mechanisms are simple in structure, installing space is little.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.
Claims (8)
1. a crane subsidiary arm automatic driving mechanism, it is characterized in that: it comprises drive motor, driving gear, driven gear and S. A., described drive motor is arranged on a side of the nearly auxiliary of front end arm rest, the two ends of described S. A. are fixedly connected on respectively between two articulated joints of auxiliary near front end arm one side, and the hinged center superposition of the axis of described S. A. and described articulated joint, described driving gear is arranged in the rotating shaft of described drive motor, described driven gear is arranged on described S. A., and described driving gear and driven gear are meshed.
2. crane subsidiary arm automatic driving mechanism according to claim 1, is characterized in that: it also comprises controller, described controller is electrically connected with described drive motor.
3. crane subsidiary arm automatic driving mechanism according to claim 1, is characterized in that: described drive motor is arranged on front end arm adjustablely.
4. crane subsidiary arm automatic driving mechanism according to claim 1, is characterized in that: described S. A. and described articulated joint are integrally formed.
5. crane subsidiary arm automatic driving mechanism according to claim 2, is characterized in that: described controller is arranged on front end arm.
6. crane subsidiary arm automatic driving mechanism according to claim 1, is characterized in that: described driven gear is arranged on the middle part of described S. A..
7. a jib boom, is characterized in that: it comprises the crane subsidiary arm automatic driving mechanism described in claim 1-6 any one.
8. a hoisting crane, is characterized in that: it comprises jib boom claimed in claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420053809.6U CN203699728U (en) | 2014-01-27 | 2014-01-27 | Automatic auxiliary arm driving mechanism of crane, crane cantilever and crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420053809.6U CN203699728U (en) | 2014-01-27 | 2014-01-27 | Automatic auxiliary arm driving mechanism of crane, crane cantilever and crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203699728U true CN203699728U (en) | 2014-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420053809.6U Expired - Fee Related CN203699728U (en) | 2014-01-27 | 2014-01-27 | Automatic auxiliary arm driving mechanism of crane, crane cantilever and crane |
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| Country | Link |
|---|---|
| CN (1) | CN203699728U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113501447A (en) * | 2021-07-08 | 2021-10-15 | 徐工集团工程机械股份有限公司建设机械分公司 | Crane and method for lifting main arm of crane |
-
2014
- 2014-01-27 CN CN201420053809.6U patent/CN203699728U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113501447A (en) * | 2021-07-08 | 2021-10-15 | 徐工集团工程机械股份有限公司建设机械分公司 | Crane and method for lifting main arm of crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201014 Address after: No.202 Xuanfu street, Xuanhua District, Zhangjiakou, Hebei Province Patentee after: Hebei Leisa Heavy Construction Machinery Co.,Ltd. Address before: 102206 Changping District City, Shahe, Sha Yang Road, Beijing Patentee before: BEIQI FOTON MOTOR Co.,Ltd. |
|
| 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: 20140709 |