CN102943567B - A kind of cantilever support and there is the concrete mixer of this support - Google Patents
A kind of cantilever support and there is the concrete mixer of this support Download PDFInfo
- Publication number
- CN102943567B CN102943567B CN201210505855.0A CN201210505855A CN102943567B CN 102943567 B CN102943567 B CN 102943567B CN 201210505855 A CN201210505855 A CN 201210505855A CN 102943567 B CN102943567 B CN 102943567B
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- China
- Prior art keywords
- supporting seat
- arm joint
- arm
- connection block
- screw rod
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- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention discloses a kind of cantilever support, comprise the first adjusting device, the second adjusting device, first arm joint and the second arm joint, described first arm joint and the second arm joint draw in be placed, described first arm joint is hinged with one end of the second arm joint and is connected, described first adjusting device is arranged on the first arm joint, is used for the gap of short transverse of adjustment first arm joint; Described second adjusting device is arranged on the second arm joint, is used for the gap of short transverse of adjustment second arm joint.The present invention is Height Adjustable, and structure is simple, operation is not subject to space constraint, easily manufactures.
Description
Technical field
The present invention relates to technical field of engineering machinery, particularly relate to a kind of cantilever support and there is the concrete mixer of this support.
Background technology
The boom of concrete mixer is combined by each joint jib and linkage to form, and in a non-operative state, its boom is generally in folding rounding state.For ensureing the security consideration of concrete mixer in off working state especially transport condition, needing to adopt cantilever support, making to fit tightly when folding gathering between each arm joint, steadily place.If each arm joint is placed steady, so concrete mixer in motion chassis produce jolt and each arm will be caused to save rock, affect the cornering ability of pump truck and there is potential safety hazard.
The cantilever support that current concrete mixer adopts is mainly fixed, is weldingly fixed on jib by cantilever support, just cannot regulate if there is its height of foozle during assembling.Current only adjustable cantilever support, the patent No. is 201110337823.X, name be called " between the arm of concrete mixer and foldable arm rack bracing or strutting arrangement " disclose a kind of in less space height-adjustable cantilever support, although this device adjustable-height, but structure is comparatively complicated, and regulate in the small space that must save in adjacent two-arm, not easy to operate.
Summary of the invention
The object of this invention is to provide a kind of Height Adjustable, and structure is simple, operation is not subject to space constraint, the arm rest supporting device easily manufactured and have the concrete mixer of above-mentioned cantilever support.
For solving the problems of the technologies described above, cantilever support of the present invention comprises the first adjusting device, the second adjusting device, first arm joint and the second arm joint, described first arm joint and the second arm joint draw in be placed, described first arm joint is hinged with one end of the second arm joint and is connected, described first adjusting device is arranged on the first arm joint, is used for the gap of short transverse of adjustment first arm joint; Described second adjusting device is arranged on the second arm joint, is used for the gap of short transverse of adjustment second arm joint.
As a preferred embodiment of the present invention, described first adjusting device comprises the first Connection Block, the first supporting seat and the first screw rod, and described first Connection Block saves with the first arm and is fixedly connected with; The lower end of described first supporting seat opening upwards envelope first arm joint; First supporting seat is connected on the first Connection Block by described first screw rod, and locks with locking nut, and described first screw rod is fixedly connected on the first supporting seat; Described second adjusting device comprises the second Connection Block, the second supporting seat and the second screw rod, and described second Connection Block saves with the second arm and is fixedly connected with; The upper end of the second supporting seat Open Side Down envelope second arm joint; Second supporting seat is connected on the second Connection Block by described second screw rod, and locks with locking nut, and described second screw rod is fixedly connected on the second supporting seat.
As a preferred embodiment of the present invention; described cantilever support also comprises two to the first protection backing plate having counter sink; wherein; a pair first protection backing plate screws are connected between the first supporting seat and the first arm save, and another protects backing plate screw to be connected between the second supporting seat and the second arm save to first.
As a preferred embodiment of the present invention, described cantilever support also comprises the second protection backing plate having counter sink, and described second protection backing plate screw is connected to the end face of the second supporting seat.
As a preferred embodiment of the present invention, described first supporting seat takes the shape of the letter U structure, by the lower side envelope of described first arm joint in U-shaped structure.
As a preferred embodiment of the present invention, described second supporting seat takes the shape of the letter U structure, by the upper side envelope of described second arm joint in U-shaped structure.
As a preferred embodiment of the present invention, the first supporting seat is connected on the first Connection Block by the bolt hole on the first Connection Block and the first supporting seat by described first screw rod.
As a preferred embodiment of the present invention, the second supporting seat is connected on the second Connection Block by the bolt hole on the second Connection Block and the second supporting seat by described second screw rod.
For solving the problems of the technologies described above, concrete mixer of the present invention comprises foldable arm rack, is provided with above-mentioned cantilever support between the two joint arms to be fit of described foldable arm rack.
Technique effect of the present invention is to be connected with the screw rod of the second Connection Block with the first Connection Block and the second supporting seat by the first supporting seat, only need regulate the first screw rod, the second screw rod respectively, the first supporting seat, the moving up and down of the second supporting seat can be realized, the deflection of jib after the accumulated error that adjustment by oneself height exists when compensating boom assembling and concrete mixer dispatch from the factory and use, thus be in the state of fitting tightly all the time between each arm joint when can make that boom is folding to be drawn in.Structure of the present invention is simple, flexible adjustment, cheap for manufacturing cost, and interchangeability is strong.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and preferred embodiment, the present invention is further detailed explanation.
Fig. 1 is elevation of the present invention;
Fig. 2 is sectional view of the present invention;
Fig. 3 is that the present invention folds axonometric drawing when drawing in for two-arm joint;
Fig. 4 is enlarged drawing of the present invention.
Detailed description of the invention
Cantilever support of the present invention comprises the first adjusting device, the second adjusting device, first arm joint and the second arm joint, described first arm joint and the second arm joint draw in be placed, described first arm joint is hinged with one end of the second arm joint and is connected, described first adjusting device is arranged on the first arm joint, is used for the gap of short transverse of adjustment first arm joint; Described second adjusting device is arranged on the second arm joint, is used for the gap of short transverse of adjustment second arm joint.
Figure 1 shows that the elevation of this arm rest supporting device, Figure 2 shows that the sectional view of this arm rest supporting device.First Connection Block 1 is fixedly connected on folding gathering on the first arm joint 2 of the two-arm joint placed, and the center of this first Connection Block 1 has bolt hole; First supporting seat 3, the U-shaped shape in opening upwards, the first arm is saved the corner envelope of 2 lower ends interior, top the right and left all has bolt hole; First protection backing plate 7, have counter sink, be connected to the left and right sides of the first supporting seat 3 with screw 6, prevent from abrading during the first supporting seat 3 up-down adjustment the side surface of the first arm joint 2, the left and right sides that namely the first supporting seat 3 and the first arm save 2 is all connected with the first protection backing plate; First screw rod 4 is fixedly connected on the first supporting seat 3, for the first supporting seat 3 being connected to the first Connection Block 1 being fixed on the first arm joint 2, and locks with locking nut 5; Second Connection Block 8, draw the second arm that the two-arm of placing saves in and save 9 with folding and be fixedly connected with, the center of this second Connection Block 8 also has bolt hole; Second supporting seat 10, in the U-shaped shape that Open Side Down, second arm is saved the corner envelope of 9 upper ends interior, two ends, left and right, bottom also have bolt hole, this the second supporting seat 10 left and right sides screw 6 is connected with the first protection backing plate 7, to protect the side surface of the second arm joint 9 not to be scratched, the left and right sides that namely the second supporting seat 10 and the second arm save 9 is all connected with the first protection backing plate 7; Second protection backing plate 12, has counter sink, is connected to the end face of the second supporting seat 10 with screw 6; Second screw rod 11 is fixedly connected on the second supporting seat 10, for the second supporting seat 10 being connected to the second Connection Block 8 being fixed on the second arm joint 9, and locks with locking nut 5.
Regulate the first screw rod 4, first supporting seat 3 will move up and down under the pulling force of screw rod.In like manner, reconcile the second screw rod 11, second supporting seat 10 also to move up and down under the pulling force of screw rod.When there is accumulated error in the arm joint of concrete mixer or arm joint has a distortion in use for some time when assembling, only need regulate first, second screw rod, moving up and down of first, second supporting seat can be realized, the deflection of jib after the accumulated error existed when compensating boom assembling and concrete mixer dispatch from the factory and use, thus be in the state of fitting tightly all the time between each arm joint when can make that boom is folding to be drawn in.
Under normal circumstances, the first Connection Block in this bracing or strutting arrangement and the second Connection Block, the first supporting seat and the second supporting seat, the first screw rod and the second screw rod all can realize exchanging.
Arm rest supporting device in the present invention can be applicable to concrete mixer, fire fighting truck etc. to be had in the engineering machinery of foldable arm rack.Figure 3 shows that this arm rest supporting device is applied to the axonometric drawing that concrete mixer folds boom, Figure 4 shows that the enlarged drawing of this arm rest supporting device.
Be connected with the screw rod of the second Connection Block with the first Connection Block and the second supporting seat by the first supporting seat of the present invention, only need regulate the first screw rod, the second screw rod respectively, the first supporting seat, the moving up and down of the second supporting seat can be realized, the deflection of jib after the accumulated error that adjustment by oneself height exists when compensating boom assembling and concrete mixer dispatch from the factory and use, thus be in the state of fitting tightly all the time between each arm joint when can make that boom is folding to be drawn in.Structure of the present invention is simple, flexible adjustment, cheap for manufacturing cost, and interchangeability is strong.
Below the preferred embodiment of the invention is illustrated, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent modification or replacement under the prerequisite without prejudice to the invention spirit, and these equivalent modification or replacement are all included in the application's claim limited range.
Claims (8)
1. a cantilever support, comprise the first adjusting device, the second adjusting device, first arm joint and the second arm joint, described first arm joint and the second arm joint draw in be placed, described first arm joint is hinged with one end of the second arm joint and is connected, it is characterized in that, described first adjusting device is arranged on the first arm joint, is used for the gap of short transverse of adjustment first arm joint; Described second adjusting device is arranged on the second arm joint, is used for the gap of short transverse of adjustment second arm joint;
Described first adjusting device comprises the first Connection Block, the first supporting seat and the first screw rod, and described first Connection Block saves with the first arm and is fixedly connected with; The lower end of described first supporting seat opening upwards envelope first arm joint; First supporting seat is connected on the first Connection Block by described first screw rod, and locks with locking nut, and described first screw rod is fixedly connected on the first supporting seat; Described second adjusting device comprises the second Connection Block, the second supporting seat and the second screw rod, and described second Connection Block saves with the second arm and is fixedly connected with; The upper end of the second supporting seat Open Side Down envelope second arm joint; Second supporting seat is connected on the second Connection Block by described second screw rod, and locks with locking nut, and described second screw rod is fixedly connected on the second supporting seat; First supporting seat is the U-shaped shape of opening upwards.
2. cantilever support as claimed in claim 1; it is characterized in that; also comprise two to the first protection backing plate having counter sink; wherein; a pair first protection backing plate screws are connected between the side that the first supporting seat and the first arm save, and another protects backing plate screw to be connected between side that the second supporting seat and the second arm save to first.
3. cantilever support as claimed in claim 1, is characterized in that, also comprises the second protection backing plate having counter sink, and described second protection backing plate screw is connected to the end face of the second supporting seat.
4. cantilever support as claimed in claim 1, is characterized in that, described first supporting seat takes the shape of the letter U structure, by the lower side envelope of described first arm joint in U-shaped structure.
5. cantilever support as claimed in claim 1, is characterized in that, described second supporting seat takes the shape of the letter U structure, by the upper side envelope of described second arm joint in U-shaped structure.
6. cantilever support as claimed in claim 1, it is characterized in that, the first supporting seat is connected on the first Connection Block by the bolt hole on the first Connection Block and the first supporting seat by described first screw rod.
7. cantilever support as claimed in claim 1, it is characterized in that, the second supporting seat is connected on the second Connection Block by the bolt hole on the second Connection Block and the second supporting seat by described second screw rod.
8. a concrete mixer, comprises foldable arm rack, it is characterized in that, is provided with the cantilever support as described in claim arbitrary in claim 1 to 7 between the two joint arms to be fit of described foldable arm rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210505855.0A CN102943567B (en) | 2012-11-30 | 2012-11-30 | A kind of cantilever support and there is the concrete mixer of this support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210505855.0A CN102943567B (en) | 2012-11-30 | 2012-11-30 | A kind of cantilever support and there is the concrete mixer of this support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102943567A CN102943567A (en) | 2013-02-27 |
| CN102943567B true CN102943567B (en) | 2016-04-06 |
Family
ID=47726546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210505855.0A Expired - Fee Related CN102943567B (en) | 2012-11-30 | 2012-11-30 | A kind of cantilever support and there is the concrete mixer of this support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102943567B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0038954B1 (en) * | 1980-04-26 | 1983-12-21 | SCHLECHT, Karl | Self-propelled concrete pump |
| DE4203820A1 (en) * | 1992-02-10 | 1993-08-12 | Gerhard Dr Hudelmaier | Support design for base of concrete unit mast - with formed outrigger stored facing forwards on pump trailer |
| CN102364007A (en) * | 2011-10-31 | 2012-02-29 | 中联重科股份有限公司 | Concrete pump vehicle and inter-arm supporting device of folded arm frame |
| CN202294726U (en) * | 2011-11-04 | 2012-07-04 | 中联重科股份有限公司 | Arm rest supporting device, engineering machinery and engineering vehicle |
| CN102628320A (en) * | 2012-04-20 | 2012-08-08 | 三一重工股份有限公司 | Concrete pump truck and boom-replacing system thereof |
| CN202467211U (en) * | 2012-03-19 | 2012-10-03 | 中联重科股份有限公司 | Cantilever crane support device and concrete pumping apparatus |
| CN202954572U (en) * | 2012-11-30 | 2013-05-29 | 上海汽车改装厂有限公司 | Arm rack support and concrete pump truck with same |
-
2012
- 2012-11-30 CN CN201210505855.0A patent/CN102943567B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0038954B1 (en) * | 1980-04-26 | 1983-12-21 | SCHLECHT, Karl | Self-propelled concrete pump |
| DE4203820A1 (en) * | 1992-02-10 | 1993-08-12 | Gerhard Dr Hudelmaier | Support design for base of concrete unit mast - with formed outrigger stored facing forwards on pump trailer |
| CN102364007A (en) * | 2011-10-31 | 2012-02-29 | 中联重科股份有限公司 | Concrete pump vehicle and inter-arm supporting device of folded arm frame |
| CN202294726U (en) * | 2011-11-04 | 2012-07-04 | 中联重科股份有限公司 | Arm rest supporting device, engineering machinery and engineering vehicle |
| CN202467211U (en) * | 2012-03-19 | 2012-10-03 | 中联重科股份有限公司 | Cantilever crane support device and concrete pumping apparatus |
| CN102628320A (en) * | 2012-04-20 | 2012-08-08 | 三一重工股份有限公司 | Concrete pump truck and boom-replacing system thereof |
| CN202954572U (en) * | 2012-11-30 | 2013-05-29 | 上海汽车改装厂有限公司 | Arm rack support and concrete pump truck with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102943567A (en) | 2013-02-27 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20171130 |
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| CF01 | Termination of patent right due to non-payment of annual fee |