CN202441061U - Concrete pumping apparatus and curved connecting rod device thereof - Google Patents
Concrete pumping apparatus and curved connecting rod device thereof Download PDFInfo
- Publication number
- CN202441061U CN202441061U CN2011204902868U CN201120490286U CN202441061U CN 202441061 U CN202441061 U CN 202441061U CN 2011204902868 U CN2011204902868 U CN 2011204902868U CN 201120490286 U CN201120490286 U CN 201120490286U CN 202441061 U CN202441061 U CN 202441061U
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- CN
- China
- Prior art keywords
- rod device
- curved rod
- composite material
- axle sleeve
- gripper shoe
- 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.)
- Expired - Lifetime
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Abstract
The utility model provides a concrete pumping apparatus and a curved connecting rod device thereof. The curved connecting rod device comprises: shaft sleeves; at least two composite support plates, wherein the composite support plates are provided with holes, the shaft sleeves are buried in the holes, and the at least two composite support plates are arranged on the shaft sleeves at intervals; and cover plates, which are fixedly arranged at ends of the shaft sleeves. Curved connecting rods are formed by hot pressing and solidifying the composite support plates and the shaft sleeves pre-buried in the composite support plates. The curved connecting rod device has advantages of light weight, high strength, strong corrosion resistance and good designability.
Description
Technical field
The utility model relates to the concrete equipment field, more specifically, relates to a kind of concrete pumping equipment and curved rod device thereof.
Background technology
In concrete operation process, increasing transmission and concrete transmission work adopts concrete mixer to accomplish.Along with the high speed development of concreting machinery, require transmission and concrete transmission to higher farther distance, so the material that requires jib, connecting rod and the hydraulic jack of concreting machinery to select for use develops to lightweight, high-intensity direction.
The curved rod of concrete equipment of the prior art (for example concrete mixer) is formed by the steel plate welding; Because the density of steel plate is bigger; Cause the weight of curved rod self bigger; Thereby seriously limited the jib length of concrete pumping equipment (particularly concrete mixer), restricted the development of concrete pumping equipment.In addition,, cause its dimensional stability not high because curved rod is formed by the steel plate welding, therefore need be at the position that is connected with axle sleeve of curved rod welding stiffener, this just needs multiple welding and repair welding, has the shortcoming of complex procedures, intensity difference.In addition, the fatigue durability of the curved rod of steel and corrosion resistance are relatively poor.
The utility model content
The utility model aims to provide a kind of concrete pumping equipment and curved rod device thereof, and prior art curved rod installation weight is big to solve, complex manufacturing technology, problem that intensity is low.
For solving the problems of the technologies described above, according to the first aspect of the utility model, a kind of curved rod device of concrete pumping equipment is provided, comprising: axle sleeve; At least two composite material gripper shoes, the composite material gripper shoe is provided with the hole, and axle sleeve is embedded in the hole, and at least two composite material gripper shoes are spaced apart and arranged on the axle sleeve; Cover plate, cover plate are arranged on the end of axle sleeve regularly.
Further, the curved rod device also comprises cushion pad, and cushion pad is arranged on cover plate and between the composite material gripper shoe near cover plate.
Further, cushion pad is a rubber pad.
Further, the number of composite material gripper shoe is two.
According to the second aspect of the utility model, a kind of concrete pumping equipment is provided, comprise the curved rod device, this curved rod device is above-mentioned curved rod device.
The utility model forms curved rod with composite material gripper shoe and the mode of axle sleeve through hot-press solidifying that is embedded in the composite material gripper shoe, have in light weight, intensity is high, good corrosion resistance and the good characteristics of designability.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide the further understanding to the utility model, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 has schematically shown the front view of the utility model; And
Fig. 2 has schematically shown the A-A partial sectional view of Fig. 1.
The specific embodiment
Embodiment to the utility model is elaborated below in conjunction with accompanying drawing, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
As the first aspect of the utility model, a kind of curved rod device of concrete pumping equipment is provided.As depicted in figs. 1 and 2, this curved rod device comprises: axle sleeve 2, at least two composite material gripper shoes 1 and cover plates 4.Wherein, composite material gripper shoe 1 is provided with the hole, and axle sleeve 2 is embedded in the hole, and at least two composite material gripper shoes 1 are spaced apart and arranged on the axle sleeve 2.Cover plate 4 is arranged on the end of axle sleeve 2 regularly.Preferably, the junction with axle sleeve 2 of composite material gripper shoe 1 has the thickening part.Preferably, the number of composite material gripper shoe 1 is two, and it is provided with near the two ends of axle sleeve 2 respectively, to form spacing to composite material gripper shoe 1.
The gripper shoe of the utility model adopts composite material to process, and the intensity of its intensity and steel is close, but density is merely 1/4 of steel, thereby, can when guarantee curved rod intensity, make curved rod have less weight, thereby help preparing longer jib.In addition, the gripper shoe that composite material is processed has good designability, thereby can design the structure of curved rod and the thickness of different parts according to the stressing conditions of curved rod, and through the shop layer of fiber different directions being improved the mechanical property of gripper shoe.In addition; The gripper shoe that composite material is processed has good fatigue performance; Can make curved rod have excellent corrosion resisting performance and damping performance, thereby prolong the application life of curved rod for curved rod provides good fatigue performance, decay resistance and shock resistance.The destruction of curved rod comprises a series of stages such as matrix damage, cracking, interface unsticking and fibrous fracture, and promptly the destructive process of composite material has gradual property, therefore can in use in time find the problems referred to above, improves the safety of curved rod.At last, the curved rod device in the utility model also has the characteristics simple, that processing performance is good of making.
Preferably, the curved rod device also comprises cushion pad 3, and cushion pad 3 is arranged on cover plate and between the composite material gripper shoe 1 near this cover plate.Further, cushion pad 3 is rubber pads.Preferably; Bonding between cushion pad 3 and axle sleeve and cushion pad 3 and the cover plate by the high strength adhesive; So that separate by cushion pad 3 between composite material gripper shoe 1 and the cover plate 4; Thereby, make composite material gripper shoe 1 bear certain deformation and can not damage for the distortion of composite material gripper shoe 1 provides certain buffer protection.
Preferably, composite material gripper shoe 1 is to be formed through range upon range of laying and hot-press solidifying by the prepreg that comprises resin and fiber.Preferably, adopt autoclave to carry out hot-press solidifying.Further, the molding mode during this hot-press solidifying is not limited to the preferred version of autoclave molding, can also be hand paste, mold pressing, resin transfer moulding or winding etc.
Preferably; Fiber comprises one or more in carbon fiber, glass fiber, aramid fiber, the superhigh molecular weight polyethylene fibers (its molecular weight is greater than 100,000); Wherein, optimum scheme is a carbon fiber, in addition; Adopt multiple different fiber can make full use of the advantage of various fibers, reduce cost.Preferably, fiber is plane knitting cloth, unidirectional cloth or does not have latitude cloth.Especially, the composite material of composite material gripper shoe 1 is spread layer by different directions, to improve the intensity and the mechanical property of composite material gripper shoe 1.
Preferably, resin is epoxy resin, unsaturated polyester (UP), vinylite or phenolic resins.Wherein, adopt epoxy resin can obtain best combination property; Adopt unsaturated-resin and phenolic resins to reduce cost, and its source is abundant; Adopt vinylite can obtain high cost performance.
Introduce the manufacturing approach of this curved rod device below.Please refer to Fig. 1, Fig. 2 and above-mentioned curved rod device, this method may further comprise the steps:
Step S1 is embedded in axle sleeve 2 in the hole of two composite material gripper shoes 1 at least, and at least two composite material gripper shoes 1 are spaced apart and arranged on the axle sleeve 2, to form first product.Specifically, can preimpregnation cloth be cut into the shape of composite material gripper shoe 1 after, in mould, spread layer, and axle sleeve 2 be embedded in the hole of composite material gripper shoe 1 by different directions.
Step S2 places the hot-press solidifying device to carry out hot-press solidifying first product.Preferably, the hot-press solidifying device is an autoclave.
Step S3 is fixed to cover plate 4 end of axle sleeve 2.
Preferably, between step S2 and step S3, also comprise step S21; Step S21 comprises: put cushion pad 3 in the end of axle sleeve 2.
As the second aspect of the utility model, a kind of concrete pumping equipment is provided, it comprises the curved rod device, this curved rod device is the curved rod device among above-mentioned each embodiment.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (5)
1. the curved rod device of a concrete pumping equipment is characterized in that, comprising:
Axle sleeve (2);
At least two composite material gripper shoes (1), said composite material gripper shoe (1) is provided with the hole, and said axle sleeve (2) is embedded in the said hole, and said at least two composite material gripper shoes (1) are spaced apart and arranged on the said axle sleeve (2);
Cover plate (4), said cover plate (4) is arranged on the end of said axle sleeve (2) regularly.
2. curved rod device according to claim 1 is characterized in that, said curved rod device also comprises cushion pad (3), and said cushion pad (3) is arranged between said cover plate (4) and the most approaching said composite material gripper shoe (1) of said cover plate (4).
3. curved rod device according to claim 2 is characterized in that, said cushion pad (3) is a rubber pad.
4. according to each described curved rod device among the claim 1-3, it is characterized in that the number of said composite material gripper shoe (1) is two.
5. a concrete pumping equipment comprises the curved rod device, it is characterized in that, said curved rod device is each described curved rod device among the claim 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204902868U CN202441061U (en) | 2011-11-30 | 2011-11-30 | Concrete pumping apparatus and curved connecting rod device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204902868U CN202441061U (en) | 2011-11-30 | 2011-11-30 | Concrete pumping apparatus and curved connecting rod device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202441061U true CN202441061U (en) | 2012-09-19 |
Family
ID=46822515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204902868U Expired - Lifetime CN202441061U (en) | 2011-11-30 | 2011-11-30 | Concrete pumping apparatus and curved connecting rod device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202441061U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102392539A (en) * | 2011-11-30 | 2012-03-28 | 中联重科股份有限公司 | Concrete pumping equipment, curved connecting rod device thereof and manufacture method of curved connecting rod device |
-
2011
- 2011-11-30 CN CN2011204902868U patent/CN202441061U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102392539A (en) * | 2011-11-30 | 2012-03-28 | 中联重科股份有限公司 | Concrete pumping equipment, curved connecting rod device thereof and manufacture method of curved connecting rod device |
| WO2013078920A1 (en) * | 2011-11-30 | 2013-06-06 | 中联重科股份有限公司 | Concrete pumping device, bending connecting rod mechanism thereof and manufacturing method for bending connecting rod mechanism |
| CN102392539B (en) * | 2011-11-30 | 2013-11-06 | 中联重科股份有限公司 | Concrete pumping equipment, curved connecting rod device thereof and manufacture method of curved connecting rod device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120919 |