CN204823797U - Automatic multiplying power changing device and crane with same - Google Patents
Automatic multiplying power changing device and crane with same Download PDFInfo
- Publication number
- CN204823797U CN204823797U CN201520477500.4U CN201520477500U CN204823797U CN 204823797 U CN204823797 U CN 204823797U CN 201520477500 U CN201520477500 U CN 201520477500U CN 204823797 U CN204823797 U CN 204823797U
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- connecting portion
- hanger plate
- hook
- dolly
- hoisting crane
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- 239000000725 suspension Substances 0.000 claims description 42
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 15
- 230000008569 process Effects 0.000 abstract description 15
- 238000006243 chemical reaction Methods 0.000 abstract description 10
- 230000009471 action Effects 0.000 abstract description 6
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 230000000576 supplementary effect Effects 0.000 abstract 1
- 230000008859 change Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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Abstract
The utility model relates to an automatic trade multiplying power device and have this automatic hoist that trades multiplying power device. The utility model provides an automatic multiplying power device that trades of hoist, including setting up main dolly and the vice dolly on the hoist davit, still include first connecting portion, the second connecting portion, couple board and guide part, first connecting portion set up on main dolly, the second connecting portion set up on the lifting hook of vice dolly, couple board and guide part set up on the frame of vice dolly, the guide part is when the lifting hook is promoted with the spacing direction of lifting hook to couple board department, couple board and the frame rotatable coupling of vice dolly, be equipped with reset spring between couple board and the frame, one of them of first connecting portion and second connecting portion can promote the couple board and rotate and block into the couple board when the couple board resets, one of them of first connecting portion and second connecting portion can throw off from the couple board when the couple board rotates. The utility model discloses an action cooperation between first connecting portion, second connecting portion and the couple board can realize the automatic conversion between the multiplying power, reduces and trades artifical supplementary action, convenient operation in the multiplying power operation process.
Description
Technical field
The utility model relates to crane field, particularly certainly moves multiplying factor device about a kind of and have this from the hoisting crane moving multiplying factor device.
Background technology
Hoisting crane is a kind of important construction machinery and equipment in building operation.In order to take into account work efficiency and safety, present many hoisting cranes all have 2 multiplying powers and 4 multiplying powers, two kinds of mode of operation, like this, change between 2 multiplying powers and the mode of operation of 4 multiplying powers with regard to needing.Present most of hoisting cranes still adopt manual mode when carrying out the conversion of 2 multiplying powers and 4 multiplying powers.
To 4 multiplying powers are converted to 2 multiplying power work, need first by dolly and suspension hook luffing to cargo boom root, suspension hook is transferred to ground, unclamp major and minor suspension hook and connect bearing pin, start lifting mechanism upwards secondary suspension hook risen to bottom secondary dolly and fix with bearing pin, then unclamp major and minor dolly and connect bearing pin, complete multiplying power and more change jobs.Otherwise it is contrary that 2 multiplying powers are changed to the process of 4 times.But adopt this kind of mode to carry out multiplying power conversion, the everything in its process all needs human assistance to complete, and makes work efficiency lower.
Utility model content
What the purpose of this utility model was to provide a kind of hoisting crane moves multiplying factor device certainly, can reduce the action of changing human assistance in multiplying power operating process, increase work efficiency.
Hoisting crane of the present utility model certainly move multiplying factor device, comprise and be arranged on main carriage on crane arm and secondary dolly, also comprise the first connecting portion, second connecting portion, hanger plate and guide part, this first connecting portion is arranged on this main carriage, this second connecting portion is arranged on the suspension hook of this secondary dolly, this hanger plate and this guide part are arranged on the vehicle frame of this secondary dolly, this guide part is directed to this hanger plate place when this hook by spacing for this suspension hook, the vehicle frame of this hanger plate and this secondary dolly is rotatably connected, retracing spring is provided with between this hanger plate and this vehicle frame, one of them of this first connecting portion and this second connecting portion promotes this hanger plate and rotates and snap in this hanger plate when this hanger plate resets, this first connecting portion and this second connecting portion wherein another is thrown off from this hanger plate when this hanger plate rotates.
Further, this hanger plate comprises the first hook and second and links up with, and this first hook second links up with the mouth of hook being respectively equipped with and coordinating with this first connecting portion and this second connecting portion with this.
Further, this first hook is respectively equipped with guiding surface with this second end linked up with, and this mouth of hook is arranged at the tail end of corresponding guiding surface.
Further, this first hook second link up with mutually vertical setting with this, and this mouth of hook is positioned at this and first links up with and this second the same side linked up with.
Further, this hanger plate is arranged on the vehicle frame of this secondary dolly by bearing pin, and this retracing spring is torsion spring, and this torsion spring is enclosed within this bearing pin.
Further, this first connecting portion comprises push rod and is connected pole with first, and one end of this push rod is fixed on the vehicle frame of this main carriage, and this first connection pole is vertically set on the inner side of the other end of this push rod.
Further, the quantity of this first connecting portion and this hanger plate is 2, these 2 hanger plates are arranged in the vehicle frame bilateral symmetry of this secondary dolly, the plane of this hanger plate is parallel with the sense of motion of this main carriage, these 2 first connecting portions and sense of motion of along this main carriage corresponding with this hanger plate be arranged in parallel, and this first connects between pole and arrange in opposite directions.
Further, this second connecting portion comprises the second connection pole, and this second connection pole is vertically set on the both sides corresponding with this hanger plate at the suspension hook top of this secondary dolly.
Further, this guide part is the guide plate of the vehicle frame both sides being arranged on this secondary dolly, forms guide channel between this guide plate, and the suspension hook of this secondary dolly moves along this guide channel to this hanger plate.
The utility model also provides a kind of hoisting crane, and this hoisting crane comprises as above from moving multiplying factor device.
In embodiment of the present utility model, the vehicle frame of hanger plate and secondary dolly is rotatably connected, and be provided with retracing spring, main carriage is provided with the first connecting portion, secondary trolley lifting hook is provided with the second connecting portion, when the first connecting portion promotes hanger plate, the connection of secondary dolly and main carriage can be realized, realize the disengaging of secondary trolley lifting hook simultaneously, hoisting crane is made to be in 4 multiplying power mode of operations, when the second connecting portion promotes hanger plate, the disengaging of secondary dolly and main carriage can be realized, realize the fixing of secondary trolley lifting hook simultaneously, hoisting crane is made to be in 2 multiplying power mode of operations, by the first connecting portion, second connecting portion coordinates with the action between hanger plate, achieve 2, automatic conversion between 4 multiplying powers, the action of changing human assistance in multiplying power operating process can be reduced, easy to operate.
Accompanying drawing explanation
Fig. 1 is the structural representation certainly moving multiplying factor device of hoisting crane in the utility model embodiment.
Fig. 2 is the enlarged diagram at the II place in Fig. 1.
Fig. 3 is the generalized section along III-III line in Fig. 2.
Fig. 4 A to Fig. 4 C is the switching process schematic diagram that in the utility model embodiment, 2 multiplying powers change 4 multiplying powers.
Fig. 5 A to Fig. 5 C is the switching process schematic diagram that in the utility model embodiment, 4 multiplying powers change 2 multiplying powers.
Detailed description of the invention
For further setting forth the utility model for the technological means reaching predetermined utility model object and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to detailed description of the invention of the present utility model, structure, feature and effect thereof, be described in detail as follows.
As shown in Figures 1 and 2, the comprising be arranged on main carriage in crane arm (not shown) 10 and secondary dolly 20 from moving multiplying factor device of hoisting crane of the present utility model, and the first connecting portion 30, second connecting portion 40, hanger plate 50 and guide part 60.
Wherein, main carriage 10 comprises vehicle frame 11 and main suspension hook 12, and secondary dolly 20 comprises vehicle frame 21 and secondary suspension hook 22, and main carriage 10 and secondary dolly 20 all can move along crane arm, are connected between main suspension hook 12 with secondary suspension hook 22 by link span 13.When vehicle frame 11 is connected with vehicle frame 21, and when being connected between main suspension hook 12 with secondary suspension hook 22, hoisting crane is in 4 multiplying power mode of operations (please refer to the drawing 4C); When main carriage 10 and secondary dolly 20 separate, and when secondary suspension hook 22 lifting is fixed on vehicle frame 21, hoisting crane is in 2 multiplying power mode of operations (please refer to the drawing 5C).
First connecting portion 30 is arranged on main carriage 10, first connecting portion 30 comprises push rod 31 and is connected pole 32 with first, one end of push rod 31 is weldingly fixed on the vehicle frame 11 of main carriage 10, first connects the inner side that pole 32 is vertically set on the other end of push rod 31, first connects pole 32 for hooking hanger plate 50, thus connects main carriage 10 and secondary dolly 20.In the present embodiment, the quantity of the first connecting portion 30 is 2, and the sense of motion of 2 the first connecting portions 30 with hanger plate 50 one_to_one corresponding and along main carriage 10 be arranged in parallel, arranges in opposite directions between 2 first connection poles 31.
Second connecting portion 40 is arranged on the secondary suspension hook 22 of secondary dolly 20, and in the present embodiment, the second connecting portion 40 connects pole for being vertically set on second on secondary suspension hook 22, and second connects the both sides corresponding with hanger plate 50 that pole is positioned at secondary suspension hook 22 top.Second connecting portion 40 is for hooking hanger plate 50, thus the secondary suspension hook 22 of auxiliary connection dolly 20 and vehicle frame 21.
Hanger plate 50 is arranged on the vehicle frame 21 of secondary dolly 20, hanger plate 50 comprises the first hook 53 and second and links up with 54, first hook 53 is provided with the mouth of hook 531 coordinated with the first connecting portion 30, second hook 54 is provided with the mouth of hook 541 coordinated with the second connecting portion 40, the end of the first hook 53 is provided with guiding surface 532, the end of the second hook 54 is respectively equipped with guiding surface 542, the mouth of hook 531 is arranged at the tail end of corresponding guiding surface respectively with the mouth of hook 541, in the present embodiment, first hook 53 and second is linked up with 54 and mutual vertically to be arranged, and the mouth of hook 531 and the mouth of hook 541 are positioned at the same side that the first hook 53 and second links up with 54.
Further, be rotatably connected between the vehicle frame 21 of hanger plate 50 and secondary dolly 20, between hanger plate 50 and vehicle frame 21, be provided with retracing spring.In the present embodiment, the quantity of hanger plate 50 is 2, and these 2 hanger plates 50 are arranged in vehicle frame 21 bilateral symmetry of secondary dolly 20, and the plane of hanger plate 50 is parallel with the sense of motion of main carriage 10.Please refer to the drawing 3, in the present embodiment, retracing spring is torsion spring 51, bearing pin 52 is successively through after hanger plate 50 and vehicle frame 21, end is fixed by spring cotter 56, thus 2 hanger plates 50 is installed in rotation on the both sides of vehicle frame 21, and torsion spring 51 is enclosed within bearing pin 52, two ends of torsion spring 51 are connected with vehicle frame 21, hanger plate 50 respectively, thus provide restoring force for hanger plate 50.When one of them of the first connecting portion 30 and the second connecting portion 40 promote hanger plate 50 rotate time, first connecting portion 30 and second connect portion 40 wherein another can be thrown off from hanger plate 50, one of them with the first connecting portion 30 with the second connecting portion 40 after hanger plate 50 resets is connected, thus realize between main carriage 10 and secondary dolly 20, and secondary suspension hook 22 and the connection between vehicle frame 21 be separated, reach the object of conversion multiplying power automatically.
Guide part 60 is arranged on the vehicle frame 21 of secondary dolly 20.In the present embodiment, guide part 60 is for being arranged on the guide plate of vehicle frame 21 both sides of secondary dolly 20, flaring guide channel (figure does not mark) is formed between this guide plate, secondary suspension hook 22 moves along this guide channel to hanger plate 50, thus be directed to hanger plate 50 place by spacing for secondary suspension hook 22, make secondary suspension hook 22 can promote hanger plate 50 along the guiding surface 542 of the second hook 54 in uphill process and rotate.
Next, the working process from moving multiplying factor device of the present utility model is described.
The switching process that (1) 2 multiplying power changes 4 multiplying powers is as follows.
Fig. 4 A to Fig. 4 C is the switching process schematic diagram that in the utility model embodiment, 2 multiplying powers change 4 multiplying powers.As shown in Figure 4 A, when hoisting crane is in 2 multiplying power mode of operation, be in separated position between main carriage 10 and secondary dolly 20, secondary suspension hook 22 is fixed on the vehicle frame 21 of secondary dolly 20 by the second connecting portion 40.During conversion multiplying power, first secondary dolly 20 is positioned at the arm root place of crane arm, controls main carriage 10 and move to secondary dolly 20 along the direction of arrow in the figure.Incorporated by reference to Fig. 4 B and Fig. 2, when main carriage 10 to secondary dolly 20 move to the first connecting portion 30 is contacted with hanger plate 50 time, along with main carriage 10 moves on, first connects pole 32 moves the guiding surface 532 along the first hook 53, hanger plate 50 overcomes the application force of torsion spring 51 under the promotion of the first connecting portion 30 and edge rotates clockwise, now, second hook 54 tilts, second connecting portion 40 is thrown off under the Action of Gravity Field of secondary suspension hook 22 from the mouth of hook 541, start hoisting drum and put rope, secondary suspension hook 22 declines under the drive of hoist rope 23, simultaneously, along with main carriage 10 moves on, first connects pole 32 slips into the mouth of hook 531 from guiding surface 532, hanger plate 50 resets under the effect of torsion spring 51, connect pole 32 by first to hook, thus make main carriage 10 realize being connected with secondary dolly 20.Then, as shown in Figure 4 C, after secondary suspension hook 22 drops to ground, then by link span 13 auxiliary connection suspension hook 22 and main suspension hook 12, so far, the conversion of 2 multiplying powers to 4 multiplying powers is completed.
The switching process that (2) 4 multiplying powers change 2 multiplying powers is as follows.
Fig. 5 A to Fig. 5 C is the switching process schematic diagram that in the utility model embodiment, 4 multiplying powers change 2 multiplying powers.As shown in Figure 5A, when hoisting crane is in 4 multiplying power mode of operation, main carriage 10 is connected with secondary dolly 20 by the first connecting portion 30, and secondary suspension hook 22 is connected by link span 13 with main suspension hook 12.During conversion multiplying power, as shown in Figure 5 B, first link span 13 is unclamped from secondary suspension hook 22, secondary suspension hook 22 is driven to rise by hoist rope 23, incorporated by reference to Fig. 5 C and Fig. 2, when secondary suspension hook 22 to vehicle frame 21 move to the second connecting portion 40 is contacted with hanger plate 50 time, along with secondary suspension hook 22 continues to rise along guide part 60, guiding surface 542 along the second hook 54 moves by the second connecting portion 40, hanger plate 50 overcomes the application force of torsion spring 51 under the promotion of the second connecting portion 40 and edge rotates clockwise, now, the first hook 53 tilts.Until the first hook 53 tilt to the second connecting portion 30 can be made to throw off time, start main carriage 10 and from hanger plate 50, throw off certain distance to drive the first connecting portion 30, simultaneously, along with secondary suspension hook 22 continues to rise, second connecting portion 40 slips in the mouth of hook 541 by guiding surface 542, and hanger plate 50 resets under the effect of torsion spring 51, is hooked by the second connecting portion 40, thus make secondary suspension hook 22 realize being connected with vehicle frame 21, complete the conversion of 4 multiplying powers to 2 multiplying powers.
The utility model also provides a kind of hoisting crane, and this hoisting crane comprises as above from moving multiplying factor device.
To sum up, vehicle frame from moving hanger plate and secondary dolly in multiplying factor device of the present utility model is rotatably connected, and be provided with retracing spring, main carriage is provided with the first connecting portion, secondary trolley lifting hook is provided with the second connecting portion, when the first connecting portion promotes hanger plate, the connection of secondary dolly and main carriage can be realized, realize the disengaging of secondary trolley lifting hook simultaneously, hoisting crane is made to be in 4 multiplying power mode of operations, when the second connecting portion promotes hanger plate, the disengaging of secondary dolly and main carriage can be realized, realize the fixing of secondary trolley lifting hook simultaneously, hoisting crane is made to be in 2 multiplying power mode of operations, by the first connecting portion, second connecting portion and coordinating between hanger plate, achieve 2, automatic conversion between 4 multiplying powers, the action of changing human assistance in multiplying power operating process can be reduced, easy to operate.In addition, the utility model only adds the first connecting portion, the second connecting portion, hanger plate and guide part in crane structure, and structure is simple, and is pure physical construction, in multiplying power switching process, utilize position relationship and guiding surface to obtain required fixing moving line, reliability is high.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be do not depart from technical solutions of the utility model content, according to any simple modification that technical spirit of the present utility model is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (10)
1. a hoisting crane certainly move multiplying factor device, comprise and be arranged on main carriage on crane arm and secondary dolly, it is characterized in that: also comprise the first connecting portion, second connecting portion, hanger plate and guide part, this first connecting portion is arranged on this main carriage, this second connecting portion is arranged on the suspension hook of this secondary dolly, this hanger plate and this guide part are arranged on the vehicle frame of this secondary dolly, this guide part is directed to this hanger plate place when this hook by spacing for this suspension hook, the vehicle frame of this hanger plate and this secondary dolly is rotatably connected, retracing spring is provided with between this hanger plate and this vehicle frame, one of them of this first connecting portion and this second connecting portion promotes this hanger plate and rotates and snap in this hanger plate when this hanger plate resets, this first connecting portion and this second connecting portion wherein another is thrown off from this hanger plate when this hanger plate rotates.
2. hoisting crane as claimed in claim 1 certainly move multiplying factor device, it is characterized in that: this hanger plate comprises the first hook and second and link up with, this first is linked up with and second links up with the mouth of hook being respectively equipped with and coordinating with this first connecting portion and this second connecting portion with this.
3. hoisting crane as claimed in claim 2 certainly move multiplying factor device, it is characterized in that: this first hook is respectively equipped with guiding surface with this second end linked up with, and this mouth of hook is arranged at the tail end of corresponding guiding surface.
4. hoisting crane as claimed in claim 3 certainly move multiplying factor device, it is characterized in that: this first hook second link up with mutually vertical setting with this, this mouth of hook is positioned at this and first links up with and this second the same side linked up with.
5. hoisting crane as claimed in claim 1 certainly move multiplying factor device, it is characterized in that: this hanger plate is arranged on the vehicle frame of this secondary dolly by bearing pin, this retracing spring is torsion spring, and this torsion spring is enclosed within this bearing pin.
6. hoisting crane as claimed in claim 1 certainly move multiplying factor device, it is characterized in that: this first connecting portion comprises push rod and is connected pole with first, one end of this push rod is fixed on the vehicle frame of this main carriage, and this first connection pole is vertically set on the inner side of the other end of this push rod.
7. hoisting crane as claimed in claim 6 certainly move multiplying factor device, it is characterized in that: the quantity of this first connecting portion and this hanger plate is 2, these 2 hanger plates are arranged in the vehicle frame bilateral symmetry of this secondary dolly, the plane of this hanger plate is parallel with the sense of motion of this main carriage, these 2 first connecting portions and sense of motion of along this main carriage corresponding with this hanger plate be arranged in parallel, and this first connects between pole and arrange in opposite directions.
8. hoisting crane as claimed in claim 1 certainly move multiplying factor device, it is characterized in that: this second connecting portion is be arranged on second on the suspension hook of this secondary dolly to connect pole, and this second connection pole is vertically set on the both sides corresponding with this hanger plate at this suspension hook top.
9. hoisting crane as claimed in claim 1 certainly move multiplying factor device, it is characterized in that: this guide part is the guide plate of the vehicle frame both sides being arranged on this secondary dolly, form guide channel between this guide plate, the suspension hook of this secondary dolly moves along this guide channel to this hanger plate.
10. a hoisting crane, is characterized in that: this hoisting crane comprises as claimed in any one of claims 1-9 wherein from moving multiplying factor device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520477500.4U CN204823797U (en) | 2015-07-06 | 2015-07-06 | Automatic multiplying power changing device and crane with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520477500.4U CN204823797U (en) | 2015-07-06 | 2015-07-06 | Automatic multiplying power changing device and crane with same |
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| Publication Number | Publication Date |
|---|---|
| CN204823797U true CN204823797U (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520477500.4U Active CN204823797U (en) | 2015-07-06 | 2015-07-06 | Automatic multiplying power changing device and crane with same |
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| Country | Link |
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| CN (1) | CN204823797U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109179208A (en) * | 2018-09-03 | 2019-01-11 | 中联重科股份有限公司 | Automatic multiplying power changing device for crane and crane |
-
2015
- 2015-07-06 CN CN201520477500.4U patent/CN204823797U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109179208A (en) * | 2018-09-03 | 2019-01-11 | 中联重科股份有限公司 | Automatic multiplying power changing device for crane and crane |
| CN109179208B (en) * | 2018-09-03 | 2019-06-07 | 中联重科股份有限公司 | Automatic multiplying power changing device for crane and crane |
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