CN102943567A - Cantilever support and concrete pump truck provided with same - Google Patents
Cantilever support and concrete pump truck provided with same Download PDFInfo
- Publication number
- CN102943567A CN102943567A CN2012105058550A CN201210505855A CN102943567A CN 102943567 A CN102943567 A CN 102943567A CN 2012105058550 A CN2012105058550 A CN 2012105058550A CN 201210505855 A CN201210505855 A CN 201210505855A CN 102943567 A CN102943567 A CN 102943567A
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- China
- Prior art keywords
- supporting seat
- arm joint
- connection block
- jib
- arm
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- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
Abstract
The invention discloses a cantilever support, comprising a first adjusting device, a second adjusting device, a first arm section and a second arm section, wherein the first arm section and the second arm section are folded to be placed; one ends of the first arm section and the second arm section are mutually hinged and connected; the first adjusting device is mounted on the first arm section and is used for adjusting the gap in the height direction of the first arm section; and the second adjusting device is mounted on the second arm section and is used for adjusting the gap in the height direction of the second arm section. The cantilever support has the advantages of adjustable height and simple structure; and the operation is not limited by a space and the cantilever support is easy to manufacture.
Description
Technical field
The present invention relates to technical field of engineering machinery, particularly relate to the concrete mixer that a kind of jib supports and has this support.
Background technology
The boom of concrete mixer is to be formed by each joint jib and linkage combination, and under off working state, its boom generally is in folding rounding state.For guaranteeing the security consideration of concrete mixer in off working state especially transport condition, need to adopt jib to support, make between each arm joint to fit tightly, steadily place folding gathering the in.If it is not steady that each arm joint is placed, jolting of in motion chassis generation of concrete mixer will be caused rocking of each arm joint so, affects the cornering ability of pump truck and has potential safety hazard.
It mainly is fixed that the jib that present concrete mixer adopts supports, and is about to the jib supporting welding and is fixed on the jib, if its height just can't be regulated when having foozle when assembling.At present only adjustable jib supports, the patent No. is 201110337823.X, name is called " bracing or strutting arrangement between the arm of concrete mixer and foldable arm rack " and discloses a kind of height-adjustable jib support in less space, although this device adjustable-height, but structure is comparatively complicated, and must in the small space of adjacent two arms joint, regulate, not easy to operate.
Summary of the invention
The purpose of this invention is to provide a kind of Height Adjustablely, and simple in structure, operation is not subjected to spatial constraints, the arm rest supporting device of making easily and has the concrete mixer that above-mentioned jib supports.
For solving the problems of the technologies described above, jib of the present invention supports and comprises the first adjusting device, the second adjusting device, the first arm joint and the second arm joint, described the first arm joint and the second arm joint draw in to be placed, the end that described the first arm joint and the arm of being connected the save connection that is hinged, described the first adjusting device is installed on the first arm joint, is used for regulating the gap of the short transverse of the first arm joint; Described the second adjusting device is installed on the second arm joint, is used for regulating the gap of the short transverse of the second arm joint.
As a preferred embodiment of the present invention, described the first adjusting device comprises the first Connection Block, the first supporting seat and the first screw rod, and described the first Connection Block is fixedly connected with the first arm joint; The lower end of described the first supporting seat opening upwards envelope the first arm joint; Described the first screw rod is connected in the first supporting seat on the first Connection Block, and locks with locking nut, and described the first screw rod is fixedly connected on the first supporting seat; Described the second adjusting device comprises the second Connection Block, the second supporting seat and the second screw rod, and described the second Connection Block is fixedly connected with the second arm joint; The upper end of the second supporting seat Open Side Down envelope the second arm joint; Described the second screw rod is connected in the second supporting seat on the second Connection Block, and locks with locking nut, and described the second screw rod is fixedly connected on the second supporting seat.
As a preferred embodiment of the present invention; described jib supports and also comprises two pairs of the first protection backing plates that have counter sink; wherein; a pair of the first protection backing plate is connected between the first supporting seat and the first arm joint with screw, and another is connected between the second supporting seat and the second arm joint with screw the first protection backing plate.
As a preferred embodiment of the present invention, described jib supports and also comprises the second protection backing plate that has counter sink, and described the second protection backing plate is connected in the end face of the second supporting seat with screw.
As a preferred embodiment of the present invention, described the first supporting seat structure that takes the shape of the letter U, with the lower end envelope of described the first arm joint in the U-shaped structure.
As a preferred embodiment of the present invention, described the second supporting seat structure that takes the shape of the letter U, with the upper end envelope of described the second arm joint in the U-shaped structure.
As a preferred embodiment of the present invention, described the first screw rod is connected in the first supporting seat on the first Connection Block by the bolt hole on the first Connection Block and the first supporting seat.
As a preferred embodiment of the present invention, described the second screw rod is connected in the second supporting seat on the second Connection Block by the bolt hole on the second Connection Block and the second supporting seat.
For solving the problems of the technologies described above, concrete mixer of the present invention comprises foldable arm rack, is provided with above-mentioned jib between the two joint arms to be fitted of described foldable arm rack and supports.
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 respectively the first screw rod, the second screw rod, can realize moving up and down of the first supporting seat, the second supporting seat, the deflection of jib after the accumulated error that exists in the time of can compensating by the adjusting of oneself height the boom assembling and concrete mixer dispatch from the factory and use is in the state of fitting tightly thereby can make when boom is folding to be drawn between each arm joint all the time.Simple in structure, the flexible adjustment of the present invention, cheap for manufacturing cost, and interchangeability is strong.
Description of drawings
The present invention is further detailed explanation below in conjunction with accompanying drawing and preferred embodiment.
Fig. 1 is elevation of the present invention;
Fig. 2 is sectional view of the present invention;
Fig. 3 is the axonometric drawing of the present invention when being used for that two arms joints is folding to be drawn in;
Fig. 4 is enlarged drawing of the present invention.
The specific embodiment
Jib of the present invention supports and comprises the first adjusting device, the second adjusting device, the first arm joint and the second arm joint, described the first arm joint and the second arm joint draw in to be placed, the end that described the first arm joint and the arm of being connected the save connection that is hinged, described the first adjusting device is installed on the first arm joint, is used for regulating the gap of the short transverse of the first arm joint; Described the second adjusting device is installed on the second arm joint, is used for regulating the gap of the short transverse of the 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.The first Connection Block 1 is fixedly connected on folding the first arm that draws the two arms joint of placing in and saves on 2, and the center of this first Connection Block 1 has bolt hole; The first supporting seat 3 is the U-shaped shape of opening upwards, and the corner envelope that the first arm is saved 2 lower ends is interior, and top the right and left all has bolt hole; The first protection backing plate 7, have counter sink, be connected in the left and right sides of the first supporting seat 3 with screw 6, abrade the side surface of the first arm joint 2 when preventing the first supporting seat 3 up-down adjustment, namely the left and right sides of the first supporting seat 3 and the first arm joint 2 all is connected with first and protects backing plate; The first screw rod 4 is fixedly connected on the first supporting seat 3, is used for the first supporting seat 3 is connected in the first Connection Block 1 that is fixed on the first arm joint 2, and locks with locking nut 5; The second Connection Block 8 is fixedly connected with folding the second arm joint 9 that draws the two arms joint of placing in, and the center of this second Connection Block 8 also has bolt hole; The second supporting seat 10, be the U-shaped shape that Open Side Down, the second arm is saved the corner envelope of 9 upper ends interior, two ends, the left and right sides, bottom also have bolt hole, these the second supporting seat 10 left and right sides are connected with the first protection backing plate 7 with screw 6, be not scratched with the side surface of protecting the second arm joint 9, namely the left and right sides of the second supporting seat 10 and the second arm joint 9 all is connected with the first protection backing plate 7; The second protection backing plate 12 has counter sink, is connected in the end face of the second supporting seat 10 with screw 6; The second screw rod 11 is fixedly connected on the second supporting seat 10, is used for the second supporting seat 10 is connected in the second Connection Block 8 that is fixed on the second arm joint 9, and locks with locking nut 5.
Regulating the first screw rod 4, the first supporting seats 3 will move up and down under the pulling force of screw rod.In like manner, reconciling the second screw rod 11, the second supporting seats 10 also can move up and down under the pulling force of screw rod.When there is accumulated error in the arm of concrete mixer joint during in assembling or the arm joint has distortion in use for some time, only need to regulate first, second screw rod, can realize moving up and down of first, second supporting seat, the deflection of jib after the accumulated error that exists during the assembling of compensation boom and concrete mixer dispatch from the factory and use is in the state of fitting tightly thereby can make when boom is folding to be drawn between each arm joint all the time.
Generally, 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 be realized exchanging.
Arm rest supporting device among the present invention can be applicable to concrete mixer, fire fighting truck etc. to have on the engineering machinery of foldable arm rack.Figure 3 shows that this arm rest supporting device is applied to the axonometric drawing of the folding boom of concrete mixer, 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 respectively the first screw rod, the second screw rod, can realize moving up and down of the first supporting seat, the second supporting seat, the deflection of jib after the accumulated error that exists in the time of can compensating by the adjusting of oneself height the boom assembling and concrete mixer dispatch from the factory and use is in the state of fitting tightly thereby can make when boom is folding to be drawn between each arm joint all the time.Simple in structure, the flexible adjustment of the present invention, cheap for manufacturing cost, and interchangeability is strong.
Below the preferred embodiment of the invention is specified, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all modification that is equal to or replacement under the prerequisite of the invention spirit, the modification that these are equal to or replacement all are included in the application's claim limited range.
Claims (9)
1. a jib supports, comprise the first adjusting device, the second adjusting device, the first arm joint and the second arm joint, described the first arm joint and the second arm joint draw in to be placed, the end that described the first arm joint and the arm of being connected the save connection that is hinged, it is characterized in that described the first adjusting device is installed on the first arm joint, be used for regulating the gap of the short transverse of the first arm joint; Described the second adjusting device is installed on the second arm joint, is used for regulating the gap of the short transverse of the second arm joint.
2. jib as claimed in claim 1 supports, and it is characterized in that described the first adjusting device comprises the first Connection Block, the first supporting seat and the first screw rod, and described the first Connection Block is fixedly connected with the first arm joint; The lower end of described the first supporting seat opening upwards envelope the first arm joint; Described the first screw rod is connected in the first supporting seat on the first Connection Block, and locks with locking nut, and described the first screw rod is fixedly connected on the first supporting seat; Described the second adjusting device comprises the second Connection Block, the second supporting seat and the second screw rod, and described the second Connection Block is fixedly connected with the second arm joint; The upper end of the second supporting seat Open Side Down envelope the second arm joint; Described the second screw rod is connected in the second supporting seat on the second Connection Block, and locks with locking nut, and described the second screw rod is fixedly connected on the second supporting seat.
3. jib as claimed in claim 2 supports; it is characterized in that; also comprise two pairs of the first protection backing plates that have counter sink; wherein; a pair of the first protection backing plate is connected in screw between the side of the first supporting seat and the first arm joint, and another is connected between the side of the second supporting seat and the second arm joint with screw the first protection backing plate.
4. jib as claimed in claim 2 supports, and it is characterized in that, also comprises the second protection backing plate that has counter sink, and described the second protection backing plate is connected in the end face of the second supporting seat with screw.
5. jib as claimed in claim 2 supports, it is characterized in that, described the first supporting seat structure that takes the shape of the letter U, with the lower end envelope of described the first arm joint in the U-shaped structure.
6. jib as claimed in claim 2 supports, it is characterized in that, described the second supporting seat structure that takes the shape of the letter U, with the upper end envelope of described the second arm joint in the U-shaped structure.
7. jib as claimed in claim 2 supports, and it is characterized in that described the first screw rod is connected in the first supporting seat on the first Connection Block by the bolt hole on the first Connection Block and the first supporting seat.
8. jib as claimed in claim 2 supports, and it is characterized in that described the second screw rod is connected in the second supporting seat on the second Connection Block by the bolt hole on the second Connection Block and the second supporting seat.
9. a concrete mixer comprises foldable arm rack, it is characterized in that, is provided with such as the described jib of arbitrary claim in the claim 1 to 8 between the two joint arms to be fitted of described foldable arm rack and supports.
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 true CN102943567A (en) | 2013-02-27 |
| CN102943567B 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 |
|---|---|
| CN102943567B (en) | 2016-04-06 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20160406 Termination date: 20171130 |