CN202787996U - Arm support connecting structure and engineering machinery comprising same - Google Patents
Arm support connecting structure and engineering machinery comprising same Download PDFInfo
- Publication number
- CN202787996U CN202787996U CN 201220411456 CN201220411456U CN202787996U CN 202787996 U CN202787996 U CN 202787996U CN 201220411456 CN201220411456 CN 201220411456 CN 201220411456 U CN201220411456 U CN 201220411456U CN 202787996 U CN202787996 U CN 202787996U
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- arm
- connecting structure
- support connecting
- segment
- driving mechanism
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- 238000003466 welding Methods 0.000 claims description 4
- 239000003921 oil Substances 0.000 description 28
- 239000004744 fabric Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003351 stiffener Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model provides a cantilever crane connection structure and contain this cantilever crane connection structure's engineering machine tool. The arm support connecting structure comprises at least a first section arm (20) and a second section arm (30) which are adjacent to each other, a swing driving mechanism is arranged between the first section arm (20) and the second section arm (30), the swing driving mechanism comprises a fixed part and a rotating part, the rotating part of the swing driving mechanism is fixedly connected with one of the first section arm (20) and the second section arm (30), and the fixed part of the swing driving mechanism is fixedly connected with the other section arm. According to the utility model discloses a cantilever crane connection structure, simple structure, convenient operation, cantilever crane hunting range is big, and the motion is nimble.
Description
Technical field
The utility model is specifically related to a kind of arm support connecting structure and comprises the engineering machinery of this arm support connecting structure.
Background technology
In the cloth process of concrete mixer, the major function of jib is to be got in the cloth position that concrete is transferred in certain areal extent.Can jib flexibly, stretching, extension and the swing of multi-angle, multi-pose are the important embodiments of whole pump truck cloth ability.In general, the motion of jib be by oil cylinder stretch control, be connected with linkage by oil cylinder between the jib.
Jib links to each other with an other joint jib with linkage by oil cylinder, in the cloth process, and need to be by the motion of stretching to control jib of oil cylinder.The motion of the flexible drive linkage of oil cylinder makes linkage drive the jib motion.The structure of the junction of the adjacent jib of this kind structure two joints is comparatively complicated, is subjected to the constraint of oil cylinder stroke and bar linkage structure, and the pendulum angle of jib is little, and also underaction moves.
The utility model content
The utility model aims to provide a kind of arm support connecting structure and comprises the engineering machinery of this arm support connecting structure, and simple in structure, easy to operate, the jib hunting range is large, and motion flexibly.
To achieve these goals, according to an aspect of the present utility model, a kind of arm support connecting structure is provided, comprise adjacent at least first segment arm and second section arm, be provided with swing driving mechanism between first segment arm and the second section arm, swing driving mechanism comprises fixed part and rotating part, and the rotating part of swing driving mechanism is fixedly connected with one of them with the second section arm of first segment arm, and the fixed part of swing driving mechanism is fixedly connected with another joint arm.
Further, swing driving mechanism is oscillating oil cylinder, the axis of rotation of rotating part for being fixedly connected with the first segment arm, the cylinder body of fixed part for being fixedly connected with the second section arm.
Further, the first segment arm is set in outside the second section arm rotationally, and cylinder body is fixedly installed in the second section arm, and the two ends of axis of rotation extend out from the cylinder body two ends, and are fixedly installed on the two opposite side walls of first segment arm.
Further, the first segment arm is arranged on a side of second section arm rotationally, and cylinder body is fixedly installed in the second section arm, and axis of rotation is fixedly installed on the first segment arm, and the first segment arm is connected oscillating oil cylinder with the second section arm and connects rotationally.
Further, between cylinder body and the second section arm welding or be spirally connected.
Further, removably be connected between axis of rotation and the first segment arm.
Further, oscillating oil cylinder comprises the locking mechanism of the swing position that locks axis of rotation.
Further, locking mechanism is equalizing valve or hydraulic lock.
According on the other hand of the present utility model, a kind of engineering machinery is provided, comprise the arm support connecting structure that more piece joint arm forms, this arm support connecting structure is above-mentioned any arm support connecting structure.
Use the technical solution of the utility model, arm support connecting structure comprises adjacent at least first segment arm and second section arm, be provided with swing driving mechanism between first segment arm and the second section arm, swing driving mechanism comprises fixed part and rotating part, the rotating part of swing driving mechanism is fixedly connected with the first segment arm, and the fixed part of swing driving mechanism is fixedly connected with the second section arm.The utility model makes the fixed part of swing driving mechanism be fixedly connected with the second section arm in the first segment arm respectively with rotating part, adjust two relative angles that save between the arms by the swing of swing driving mechanism, can make and realize the more rotation of wide-angle between first segment arm and the second section arm, adjustable range is more extensive, regulates more flexible.
Description of drawings
The accompanying drawing that consists of a part of the present utility model is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the schematic diagram according to the arm support connecting structure of the first embodiment of the present utility model;
Fig. 2 shows the plan structure schematic diagram according to the arm support connecting structure of the embodiment of Fig. 1; And
Fig. 3 shows the schematic diagram according to the arm support connecting structure of the second embodiment of the present utility model.
The specific embodiment
Hereinafter also describe in conjunction with the embodiments the utility model in detail with reference to accompanying drawing.Need to prove that in the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
According to embodiment of the present utility model, arm support connecting structure comprises adjacent at least first segment arm 20 and second section arm 30, be provided with swing driving mechanism between first segment arm 20 and the second section arm 30, swing driving mechanism comprises fixed part and rotating part, the rotating part of swing driving mechanism is fixedly connected with first segment arm 20, and the fixed part of swing driving mechanism is fixedly connected with second section arm 30.
When needs are regulated the relative angle of adjacent two joints between the arms, because the fixed part of swing driving mechanism is fixedly connected with second section arm 30 with first segment arm 20 respectively with rotating part, therefore, demand motive swing driving mechanism swings, rotating part is rotated with respect to fixed part, just can make the first segment arm 20 that is fixedly connected with rotating part with respect to relatively rotating between the second section arm 30 that is fixedly connected with fixed part, adjust two relative angles that save between the arms with this.The pendulum angle scope of swing driving mechanism is larger, therefore can make and realize the more rotation of wide-angle between first segment arm 20 and the second section arm 30, and adjustable range is more extensive, regulates more flexible.Telescopic oil cylinder and linkage in the prior art, arm support connecting structure of the present utility model are also more simple compact.
As depicted in figs. 1 and 2, according to the first embodiment of the present utility model, this swing driving mechanism is oscillating oil cylinder 10, and the rotating part of swing driving mechanism is the axis of rotation 12 of oscillating oil cylinder 10, and the fixed part of swing driving mechanism is the cylinder body 11 of oscillating oil cylinder 10.First segment arm 20 is set in outside the second section arm 30 rotationally, and cylinder body 11 is fixedly installed in the second section arm 30, and the two ends of axis of rotation 12 extend out from cylinder body 11 two ends, and are fixedly installed on the two opposite side walls of first segment arm 20.
Can be connected modes such as welding, be spirally connected between cylinder body 11 and the second section arm 30, in order to strengthen the structural strength of second section arm 30, can add stiffener in the position that second section arm 30 is set, cylinder body 11 is fixedly connected on the stiffener.
Can be connected for spline joint, flat key between axis of rotation 12 and the first segment arm 20, be spirally connected, multiple dismountable connected mode such as bearing pin connection, also can be welding.This connected mode should satisfy to be made axis of rotation 12 can drive first segment arm 20 to play motion with one.In order to strengthen the syndeton between axis of rotation 12 and the first segment arm 20, the position limiting structure that prevents that axis of rotation 12 and first segment arm 20 break away from also should be arranged between axis of rotation 12 and the first segment arm 20, such as stop screw or spacing bearing pin etc. specifically can be decided according to actual conditions.
In order to control better the anglec of rotation between first segment arm 20 and the second section arm 30, and make oscillating oil cylinder 10 after suitable swing position, can carry out self-locking at adjustment first segment arm 20 and second section arm 30, the locking mechanism of the swing position that can lock axis of rotation 12 can be installed on oscillating oil cylinder 10, and this locking mechanism for example is equalizing valve 40 or hydraulic lock.In the present embodiment, this locking mechanism is equalizing valve 40.Equalizing valve 40 and oscillating oil cylinder 10 all are by hydraulic control, and when oscillating oil cylinder 10 swung to the optional position, equalizing valve 40 can lock oscillating oil cylinder 10, and to remain on current swing position motionless, thereby make arm support connecting structure have higher safety.The form of oscillating oil cylinder can for multiple, relatively rotate under the driving of hydraulic oil between cylinder body and the output shaft as long as can realize.
Oscillating oil cylinder generally comprises pinion and-rack, vane type and spiral three kinds, and the most frequently used is spiral oscillating oil cylinder.For spiral oscillating oil cylinder, hydraulic oil flows to the oil-out of the cylinder body other end from the oil-in of cylinder body one end, in the cylinder body of oscillating oil cylinder, flow along helical tooth to direction, in the process that flows, the drive helical tooth rotates, thereby the motion of driven rotary axle, output turning effort power makes between output shaft and the cylinder body relative motion occurs.
As shown in Figure 3, according to the second embodiment of the present utility model, itself and the first embodiment are basic identical, in the middle of the present embodiment, first segment arm 20 is arranged on a side of second section arm 30 rotationally, cylinder body 11 is fixedly installed in the second section arm 30, and axis of rotation 12 is fixedly installed on the first segment arm 20, and first segment arm 20 is connected with the second section arm and is connected rotationally by oscillating oil cylinder 10.
The syndeton of the first segment arm 20 in the present embodiment and the syndeton of axis of rotation 12 and second section arm 30 and cylinder body 11 all with the first embodiment in identical, detailed description no longer herein.
The swing driving mechanism here is not limited to oscillating oil cylinder, also can for hydraulic motor, stepper motor etc., specifically decide according to the residing environment for use of jib.
According to embodiment of the present utility model, a kind of engineering machinery comprises the arm support connecting structure that single oil cylinder forms, and this arm support connecting structure is above-mentioned arm support connecting structure.
From above description, can find out, the utility model the above embodiments have realized following technique effect: arm support connecting structure comprises adjacent at least first segment arm and second section arm, be provided with swing driving mechanism between first segment arm and the second section arm, swing driving mechanism comprises fixed part and rotating part, the rotating part of swing driving mechanism is fixedly connected with the first segment arm, and the fixed part of swing driving mechanism is fixedly connected with the second section arm.The utility model makes the fixed part of swing driving mechanism be fixedly connected with the second section arm in the first segment arm respectively with rotating part, adjust two relative angles that save between the arms by the swing of swing driving mechanism, can make and realize the more rotation of wide-angle between first segment arm and the second section arm, adjustable range is more extensive, regulates more flexible.
Be preferred embodiment of the present utility model only below, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (9)
1. arm support connecting structure, comprise adjacent at least first segment arm (20) and second section arm (30), it is characterized in that, be provided with swing driving mechanism between described first segment arm (20) and the described second section arm (30), described swing driving mechanism comprises fixed part and rotating part, the rotating part of described swing driving mechanism is fixedly connected with one of them with described second section arm (30) of described first segment arm (20), and the fixed part of described swing driving mechanism is fixedly connected with another joint arm.
2. arm support connecting structure according to claim 1, it is characterized in that, described swing driving mechanism is oscillating oil cylinder (10), the axis of rotation (12) of described rotating part for being fixedly connected with described first segment arm (20), the cylinder body (11) of described fixed part for being fixedly connected with described second section arm (30).
3. arm support connecting structure according to claim 2, it is characterized in that, described first segment arm (20) is set in outside the described second section arm (30) rotationally, described cylinder body (11) is fixedly installed in the described second section arm (30), the two ends of described axis of rotation (12) extend out from described cylinder body (11) two ends, and are fixedly installed on the two opposite side walls of described first segment arm (20).
4. arm support connecting structure according to claim 2, it is characterized in that, described first segment arm (20) is arranged on a side of described second section arm (30) rotationally, described cylinder body (11) is fixedly installed in the described second section arm (30), described axis of rotation (12) is fixedly installed on the described first segment arm (20), described first segment arm (20) be connected second section arm (30) and connect rotationally by described oscillating oil cylinder (10).
5. arm support connecting structure according to claim 2 is characterized in that, between described cylinder body (11) and the described second section arm (30) welding or be spirally connected.
6. arm support connecting structure according to claim 2 is characterized in that, removably is connected between described axis of rotation (12) and the described first segment arm (20).
7. each described arm support connecting structure in 6 according to claim 2 is characterized in that described oscillating oil cylinder (10) comprises the locking mechanism of the swing position of the described axis of rotation of locking (12).
8. arm support connecting structure according to claim 7 is characterized in that, described locking mechanism is equalizing valve (40) or hydraulic lock.
9. an engineering machinery comprises the arm support connecting structure that more piece joint arm forms, and it is characterized in that described arm support connecting structure is each described arm support connecting structure in the claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220411456 CN202787996U (en) | 2012-08-17 | 2012-08-17 | Arm support connecting structure and engineering machinery comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220411456 CN202787996U (en) | 2012-08-17 | 2012-08-17 | Arm support connecting structure and engineering machinery comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202787996U true CN202787996U (en) | 2013-03-13 |
Family
ID=47815274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220411456 Expired - Fee Related CN202787996U (en) | 2012-08-17 | 2012-08-17 | Arm support connecting structure and engineering machinery comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202787996U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019105982A1 (en) * | 2017-11-28 | 2019-06-06 | Schwing Gmbh | Splined shaft connection on a mast segment |
-
2012
- 2012-08-17 CN CN 201220411456 patent/CN202787996U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019105982A1 (en) * | 2017-11-28 | 2019-06-06 | Schwing Gmbh | Splined shaft connection on a mast segment |
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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: 20130313 Termination date: 20160817 |