CN202954572U - Arm rack support and concrete pump truck with same - Google Patents
Arm rack support and concrete pump truck with same Download PDFInfo
- Publication number
- CN202954572U CN202954572U CN 201220652133 CN201220652133U CN202954572U CN 202954572 U CN202954572 U CN 202954572U CN 201220652133 CN201220652133 CN 201220652133 CN 201220652133 U CN201220652133 U CN 201220652133U CN 202954572 U CN202954572 U CN 202954572U
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- CN
- China
- Prior art keywords
- supporting seat
- arm joint
- arm
- connection block
- jib
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Abstract
The utility model discloses an arm rack support and a concrete pump truck with the same. The arm rack support comprises 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; one end of the first arm section is hinged with one end of the second arm section; the first adjusting device is arranged on the first arm section and used for adjusting the clearance in the height direction of the first arm section; and the second adjusting device is arranged on the second arm section and used for adjusting the clearance in the height direction of the second arm section. The arm rack support is adjustable in height, simple in structure and easy to manufacture, and the operation of the arm rack support is not limited by the space.
Description
Technical field
The utility model relates to technical field of engineering machinery, particularly relates 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 is generally 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 to fit tightly, steadily place folding gathering the between each arm joint.If it is not steady that each arm joint is placed, jolting of concrete mixer chassis generation in motion will be caused rocking of each arm joint so, affects the cornering ability of pump truck and has potential safety hazard.
It is mainly fixed that the jib that concrete mixer adopts at present supports, and is about to the jib supporting welding and is fixed on jib, if while while assembling, having foozle, its height just can't be regulated.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 arm joints, regulate, not easy to operate.
The utility model content
The purpose of this utility model is to provide a kind of Height Adjustable, and concrete mixer simple in structure, that operation is not subject to spatial limitation, the arm rest supporting device of easily manufacturing and has above-mentioned jib support.
For solving the problems of the technologies described above, jib of the present utility model 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, one end of described the first arm joint and the second arm joint is hinged and is connected, it is upper that described the first adjusting device is arranged on the first arm joint, is used for regulating the gap of the short transverse of the first arm joint; It is upper that described the second adjusting device is arranged on the second arm joint, is used for regulating the gap of the short transverse of the second arm joint.
As a kind of preferred version of the present utility model, 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 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 kind of preferred version of the present utility model; 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 kind of preferred version of the present utility model, 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 kind of preferred version of the present utility model, described the first supporting seat structure that takes the shape of the letter U, by the lower end envelope of described the first arm joint in the U-shaped structure.
As a kind of preferred version of the present utility model, described the second supporting seat structure that takes the shape of the letter U, by the upper end envelope of described the second arm joint in the U-shaped structure.
As a kind of preferred version of the present utility model, 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 kind of preferred version of the present utility model, 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 utility model comprises foldable arm rack, is provided with above-mentioned jib between the two joint arms to be fit of described foldable arm rack and supports.
Technique effect of the present utility model is with the screw rod of the second Connection Block, to be connected 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, can compensate by the adjusting of oneself height accumulated error that boom when assembling exist and concrete mixer dispatch from the factory use after the deflection of jib, thereby in the time of can making that boom is folding to be drawn between each arm joint all the time in fitting tightly state.The utility model is simple in structure, flexible adjustment, cheap for manufacturing cost, and interchangeability is strong.
The accompanying drawing explanation
Below in conjunction with accompanying drawing and preferred embodiment, the utility model is described in further detail.
Fig. 1 is elevation of the present utility model;
Fig. 2 is sectional view of the present utility model;
Fig. 3 is the utility model for two axonometric drawings that the arms joint is folding while drawing in;
Fig. 4 is enlarged drawing of the present utility model.
The specific embodiment
Jib of the present utility model 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, one end of described the first arm joint and the second arm joint is hinged and is connected, it is upper that described the first adjusting device is arranged on the first arm joint, is used for regulating the gap of the short transverse of the first arm joint; It is upper that described the second adjusting device is arranged 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 arm joints of placing in and saves on 2, and the center of this first Connection Block 1 has bolt hole; The first supporting seat 3, be the U-shaped shape of opening upwards, and the corner envelope that the first arm is saved to 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 while preventing the first supporting seat 3 up-down adjustment, the left and right sides of the first supporting seat 3 and the first arm joint 2 all is connected with the first protection backing plate; The first screw rod 4 is fixedly connected on the first supporting seat 3, for the first supporting seat 3 being connected in to 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, be fixedly connected with folding the second arm joint 9 that draws the two arm joints 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 to the corner envelope of 9 upper ends interior, two ends, left and right, 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, with the side surface of protecting the second arm joint 9, be not scratched, 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, have 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, for the second supporting seat 10 being connected in to 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, reconcile the second screw rod 11, the second supporting seats 10 also can move up and down under the pulling force of screw rod.There is accumulated error when the arm of concrete mixer joint during in assembling or when 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 compensation boom when assembling exists and concrete mixer dispatch from the factory and use, thus in the time of can making that boom is folding to be drawn between each arm joint all the time in fitting tightly state.
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 in the utility model 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.
By the first supporting seat of the present utility model, with the first Connection Block and the second supporting seat, with the screw rod of the second Connection Block, be connected, 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, can compensate by the adjusting of oneself height accumulated error that boom when assembling exist and concrete mixer dispatch from the factory use after the deflection of jib, thereby in the time of can making that boom is folding to be drawn between each arm joint all the time in fitting tightly state.The utility model is simple in structure, flexible adjustment, cheap for manufacturing cost, and interchangeability is strong.
The preferred embodiment of below the utility model having been created illustrates, but the utility model is created and is not limited to described embodiment, those of ordinary skill in the art also can make all modification be equal to or replacement under the prerequisite without prejudice to the utility model creative spirit, and 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, one end of described the first arm joint and the second arm joint is hinged and is connected, it is characterized in that, it is upper that described the first adjusting device is arranged on the first arm joint, is used for regulating the gap of the short transverse of the first arm joint; It is upper that described the second adjusting device is arranged 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 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, by the lower end envelope of described the first arm joint in the U-shaped structure.
. 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, by 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, comprise foldable arm rack, it is characterized in that, is provided with jib as described as arbitrary claim in claim 1 to 8 between the two joint arms to be fit of described foldable arm rack and supports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220652133 CN202954572U (en) | 2012-11-30 | 2012-11-30 | Arm rack support and concrete pump truck with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220652133 CN202954572U (en) | 2012-11-30 | 2012-11-30 | Arm rack support and concrete pump truck with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202954572U true CN202954572U (en) | 2013-05-29 |
Family
ID=48460151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220652133 Expired - Fee Related CN202954572U (en) | 2012-11-30 | 2012-11-30 | Arm rack support and concrete pump truck with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202954572U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102943567A (en) * | 2012-11-30 | 2013-02-27 | 上海汽车改装厂有限公司 | Cantilever support and concrete pump truck provided with same |
-
2012
- 2012-11-30 CN CN 201220652133 patent/CN202954572U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102943567A (en) * | 2012-11-30 | 2013-02-27 | 上海汽车改装厂有限公司 | Cantilever support and concrete pump truck provided with same |
| CN102943567B (en) * | 2012-11-30 | 2016-04-06 | 上海汽车改装厂有限公司 | A kind of cantilever support and there is the concrete mixer of this support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130529 Termination date: 20131130 |