CN221253815U - Z-shaped structure arm support for engineering truck - Google Patents
Z-shaped structure arm support for engineering truck Download PDFInfo
- Publication number
- CN221253815U CN221253815U CN202322353496.8U CN202322353496U CN221253815U CN 221253815 U CN221253815 U CN 221253815U CN 202322353496 U CN202322353496 U CN 202322353496U CN 221253815 U CN221253815 U CN 221253815U
- Authority
- CN
- China
- Prior art keywords
- arm support
- plate
- bending arm
- arm
- bending
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005452 bending Methods 0.000 claims abstract description 42
- 238000003466 welding Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 3
- 238000005553 drilling Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 239000011435 rock Substances 0.000 abstract description 3
- 230000008602 contraction Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006583 body weight regulation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
Landscapes
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
A Z-shaped structure arm support for an engineering truck relates to the technical field of arm supports for engineering trucks, a first bending arm is arranged on a connecting mechanism, a second bending arm is arranged at one end of the first bending arm, two support plates are fixedly connected to a base, the first bending arm is arranged between the two support plates, the support plates and the base can be welded in a connecting mode, a lower arm support is positioned between the two support plates and is rotationally connected, and one end of the lower arm support is connected with the second bending arm; the Z-shaped structure arm support for the engineering truck can bend the first bending arm and the second bending arm, reduces occupied space, avoids the situation of increasing the mass center deviation of the whole truck, can reduce the length of the whole truck after the first bending arm and the second bending arm are bent, reduces the turning radius of the whole truck, has a simple structure, and is high in lifting height and more suitable for tunnel rock drilling step method construction.
Description
Technical Field
The utility model relates to the technical field of arm frames for engineering vehicles, in particular to a Z-shaped structure arm frame for an engineering vehicle.
Background
The straight arm telescopic structure in the existing engineering truck makes the whole truck length enlarged to cause large turning radius, turning cannot be achieved in the tunnel, and as the straight arm telescopic structure causes excessive forward movement of the mass center of the whole truck, the front axle can select a high-load axle or add a counterweight to adjust the mass center, the weight added can cause the mass of the whole truck to be overweight, the light weight regulation of the whole truck is not met, when the mass center moves forward, the brake can overturn before to cause potential safety hazard, and the straight arm telescopic structure can only stretch far, and does not occupy advantages in the height direction.
Disclosure of utility model
In order to overcome the defects in the background art, the utility model discloses a Z-shaped structure arm support for an engineering truck, which can bend a first bending arm and a second bending arm, reduce occupied space and avoid the occurrence of the situation of increasing the mass center deviation of the whole truck, simultaneously reduce the length of the whole truck and the turning radius of the whole truck after the first bending arm and the second bending arm are bent, and meanwhile, the Z-shaped structure arm support for the engineering truck has a simple structure, is high in lifting height and is more suitable for tunnel rock drilling step method construction.
In order to achieve the aim of the utility model, the utility model adopts the following technical scheme:
The Z-shaped structure arm support for the engineering truck comprises a connecting mechanism, wherein a first bending arm is arranged on the connecting mechanism, and a second bending arm is arranged at one end of the first bending arm.
The connecting mechanism comprises a base and a supporting plate, wherein two supporting plates are fixedly connected to the base, and a first bending arm is arranged between the two supporting plates.
The connection mode of the supporting plate and the base can be welding.
The first bending arm comprises a lower arm support, a connecting frame, a first oil cylinder, a first overturning plate and a second overturning plate, wherein the lower arm support is positioned between the two supporting plates and is rotationally connected with the second bending arm, one end of the lower arm support is fixedly connected with the connecting frame, the two first oil cylinders are rotationally connected to one side of the lower arm support, the telescopic end of the first oil cylinder is hinged to the first overturning plate through a pin shaft, the first overturning plate is positioned between the two supporting plates and is rotationally connected with the second overturning plate, and the second overturning plate is rotationally connected with the lower arm support.
The two sides of the first overturning plate are respectively fixedly connected with a limiting plate, the positions of the limiting plates are corresponding to the positions of the pin shafts and are in rotary connection, and the telescopic end of the first oil cylinder is located between the limiting plates and the first overturning plate.
The second bending arm comprises an upper arm support, a third overturning plate, a fourth overturning plate, a second oil cylinder and a positioning frame, one end of the upper arm support is hinged to one end of the lower arm support, the upper arm support is rotationally connected with the third overturning plate, the third overturning plate is connected with the fourth overturning plate through a pin shaft, one end of the fourth overturning plate is hinged to the lower arm support, the second oil cylinder is rotationally connected to the pin shaft, the telescopic end of the second oil cylinder is hinged to the positioning frame, and the positioning frame is located on the lower arm support and fixedly connected with the lower arm support.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects:
The Z-shaped structure arm support for the engineering truck can bend the first bending arm and the second bending arm, reduces occupied space, avoids the situation of increasing the mass center deviation of the whole truck, can reduce the length of the whole truck after the first bending arm and the second bending arm are bent, reduces the turning radius of the whole truck, has a simple structure, and is high in lifting height and more suitable for tunnel rock drilling step method construction.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a side view of the present utility model;
FIG. 3 is a folding view of the present utility model;
1. A connecting mechanism; 101. a base; 102. a support plate; 2. a first bending arm; 201. a lower arm support; 202. a connecting frame; 203. a first cylinder; 204. a limiting plate; 205. a first flipping plate; 206. a second flipping plate; 3. a second bending arm; 301. an upper arm support; 302. a third flipping plate; 303. a fourth flipping plate; 304. a second cylinder; 305. and a positioning frame.
Detailed Description
The utility model will be explained in more detail by the following examples, the purpose of which is to protect all technical improvements within the scope of the utility model.
The Z-shaped structure arm support for the engineering truck comprises a connecting mechanism 1, wherein a first bending arm 2 is arranged on the connecting mechanism 1, a second bending arm 3 is arranged at one end of the first bending arm 2, the first bending arm 2 and the second bending arm 3 can be folded, the diameter of the whole truck is reduced, and the whole truck can conveniently turn in a tunnel.
The connecting mechanism 1 comprises a base 101 and support plates 102, wherein the base 101 is fixedly connected with two support plates 102, and a first bending arm 2 is arranged between the two support plates 102.
The connection mode of the supporting plate 102 and the base 101 may be welding.
The first bending arm 2 comprises a lower arm support 201, a connecting frame 202, a first oil cylinder 203, a first overturning plate 205 and a second overturning plate 206, wherein the lower arm support 201 is located between two support plates 102 and is rotationally connected, one end of the lower arm support 201 is connected with the second bending arm 3, one side of the lower arm support 201 is fixedly connected with the connecting frame 202, the connecting frame 202 is rotationally connected with two first oil cylinders 203, the telescopic end of the first oil cylinder 203 is hinged with the first overturning plate 205 through a pin shaft, the first overturning plate 205 is located between the two support plates 102 and is rotationally connected with the second overturning plate 206, and the second overturning plate 206 is rotationally connected with the lower arm support 201.
The two sides of the first overturning plate 205 are respectively and fixedly connected with a limiting plate 204, the position of the limiting plate 204 corresponds to the position of the pin shaft and is rotationally connected with the pin shaft, and the telescopic end of the first oil cylinder 203 is positioned between the limiting plate 204 and the first overturning plate 205.
The second bending arm 3 comprises an upper arm support 301, a third turning plate 302, a fourth turning plate 303, a second oil cylinder 304 and a positioning frame 305, one end of the upper arm support 301 is hinged to one end of the lower arm support 201, the upper arm support 301 is rotatably connected with the third turning plate 302, the third turning plate 302 is connected with the fourth turning plate 303 through a pin shaft, one end of the fourth turning plate 303 is hinged to the lower arm support 201, a second oil cylinder 304 is rotatably connected to the pin shaft, the telescopic end of the second oil cylinder 304 is hinged to the positioning frame 305, and the positioning frame 305 is located on the lower arm support 201 and fixedly connected with the lower arm support 201.
When the Z-shaped structure arm support for the engineering truck is used, the lower arm support 201 is driven to overturn through the expansion and contraction of the first oil cylinder 203, the upper arm support 301 is driven to overturn through the expansion and contraction of the second oil cylinder 304, and the expansion and contraction of the lower arm support 201 and the upper arm support 301 are respectively controlled through the first oil cylinder 203 and the second oil cylinder 304, so that the operation of workers is facilitated.
While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (5)
1. The Z-shaped structure arm support for the engineering truck comprises a connecting mechanism (1), and is characterized in that: the connecting mechanism (1) is provided with a first bending arm (2), and one end of the first bending arm (2) is provided with a second bending arm (3);
The connecting mechanism (1) comprises a base (101) and a supporting plate (102), wherein two supporting plates (102) are fixedly connected to the base (101), and a first bending arm (2) is arranged between the two supporting plates (102).
2. The engineering truck Z-shaped structural boom according to claim 1, wherein: the connection mode of the supporting plate (102) and the base (101) can be welding.
3. The engineering truck Z-shaped structural boom according to claim 1, wherein: the first bending arm (2) comprises a lower arm support (201), a connecting frame (202), a first oil cylinder (203), a first overturning plate (205) and a second overturning plate (206), wherein the lower arm support (201) is located between two supporting plates (102) and is rotationally connected with the second bending arm (3), one end of the lower arm support (201) is fixedly connected with the connecting frame (202), the connecting frame (202) is rotationally connected with two first oil cylinders (203), the telescopic end of the first oil cylinder (203) is hinged with the first overturning plate (205) through a pin shaft, the first overturning plate (205) is located between the two supporting plates (102) and is rotationally connected with the second overturning plate (206) at the connecting end of the first overturning plate (205) and the lower arm support (201).
4. The engineered truck Z-shaped structural boom of claim 3, wherein: the two sides of the first overturning plate (205) are fixedly connected with limiting plates (204) respectively, the positions of the limiting plates (204) are corresponding to the positions of the pin shafts and are in rotary connection, and the telescopic ends of the first oil cylinders (203) are located between the limiting plates (204) and the first overturning plate (205).
5. The engineering truck Z-shaped structural boom according to claim 1, wherein: the second bending arm (3) comprises an upper arm support (301), a third turning plate (302), a fourth turning plate (303), a second oil cylinder (304) and a positioning frame (305), one end of the upper arm support (301) is hinged to one end of the lower arm support (201), the upper arm support (301) is rotationally connected with the third turning plate (302), the third turning plate (302) is connected with the fourth turning plate (303) through a pin shaft, one end of the fourth turning plate (303) is hinged to the lower arm support (201), the second oil cylinder (304) is rotationally connected to the pin shaft, the telescopic end of the second oil cylinder (304) is hinged to the positioning frame (305), and the positioning frame (305) is located on the lower arm support (201) and fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322353496.8U CN221253815U (en) | 2023-08-31 | 2023-08-31 | Z-shaped structure arm support for engineering truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322353496.8U CN221253815U (en) | 2023-08-31 | 2023-08-31 | Z-shaped structure arm support for engineering truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221253815U true CN221253815U (en) | 2024-07-02 |
Family
ID=91663340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322353496.8U Active CN221253815U (en) | 2023-08-31 | 2023-08-31 | Z-shaped structure arm support for engineering truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221253815U (en) |
-
2023
- 2023-08-31 CN CN202322353496.8U patent/CN221253815U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111424741A (en) | Wheel type telescopic arm loader working device | |
| CN110605522A (en) | Turnover device for ship-type welding of plate unit and welding tool | |
| CN221253815U (en) | Z-shaped structure arm support for engineering truck | |
| CN210665080U (en) | Aligning support for rollover test of heavy truck | |
| CN219312729U (en) | Battery replacement equipment | |
| CN207748803U (en) | A kind of fork truck support construction | |
| CN102343942A (en) | Crane and frame | |
| CN215326615U (en) | Two-stage supporting leg device of automobile crane | |
| CN201817237U (en) | Gantry tilting device for forklifts and forklift provided with gantry tilting device | |
| CN201801315U (en) | Crane and shifting device thereof | |
| CN210029945U (en) | Variable rotary center turntable for overhead working truck | |
| CN112682076A (en) | Tunnel arch center construction operation vehicle | |
| CN110525393B (en) | Supporting leg for vehicle | |
| CN202936122U (en) | Variable-amplitude fixed pulley mechanism and hoisting machine | |
| CN202147111U (en) | Chain type tilter for telescopic arm of tilting crane | |
| CN102514552B (en) | Engineering machine balancing rocker arm chassis support leg mechanism | |
| CN217535203U (en) | Device for steering travelling mechanism of portal crane | |
| CN221165661U (en) | Gantry crane | |
| CN221141132U (en) | Leather-card type insulating aerial working vehicle | |
| CN218405631U (en) | Double-oil-cylinder lifting cab | |
| GB2188903A (en) | Transportable, articulated-arm crane comprising three hydraulically actuated members | |
| CN215324838U (en) | Flexible folding arm suitable for collude arm garbage truck | |
| CN214366118U (en) | Tunnel arch center construction operation vehicle | |
| CN216153892U (en) | Flat-bed height control device of large equipment transportation semitrailer | |
| CN218620126U (en) | Differential mechanism disassembling and assembling mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |