ES2656400T3 - Concrete pump truck boom and concrete pump truck - Google Patents

Abstract

A concrete pump truck boom having a folded state and an unfolded state, wherein said boom comprises seven boom sections (21-27) articulated in sequence, in said folded state, the first (21) and the second (22 ) pen sections of said pen sections are located in a first longitudinal plane (P), and from the fourth (24) to the last (25, 26, 27) pen sections are in a second longitudinal plane (T) , the first longitudinal plane (P) and the second longitudinal plane (T) are parallel to each other and are separated by a predetermined interval (D), the third pen section (23) extends between the first longitudinal plane (P) and the second longitudinal plane (T), the first to the fifth pen sections (21-25) are arranged to fold in a first direction (V1), and the sixth pen section (26) and the seventh pen section (27 ) are arranged to fold over the fifth pen section (25) in a second direction (V2) inverse with respect to the first direction (V1), so that an outer surface (20) of the sixth (26) and the seventh (27) pen sections face an outer surface (20) of the fifth pen section (25), wherein the sixth (26) and seventh (27) pen sections are arranged in a linear fashion and folded together over the fifth pen section (25).

Description

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DESCRIPTION

Concrete pump truck boom and concrete pump truck Technical field

The present invention relates to a transport equipment for the transport of concrete or other construction materials, in particular, to a concrete pump truck boom and a concrete pump truck with the boom.

Prior art

A concrete pump truck for transporting concrete (abbreviated as "concrete pump truck" or "pump truck") is a concrete transport device in which a concrete pump and a folding boom are mounted on a car chassis, a pipe Concrete transport is arranged along the boom and ultimately the concrete comes out through a final hose. The folding pen has a folded state and an unfolded state. In the folded state, the boom is bent over the chassis, so that the pump truck can circulate on the road. In the unfolded state, the boom is stretched, so that the concrete can be distributed over a long distance.

It is well known that the folding of the feathers mainly includes folding forms in the form of R, in the form of Z, and in the form of RZ. The R-shaped folding means that a plurality of pen sections can be rotatably or rotatably folded in one direction (for example, clockwise), and can be deployed in the opposite direction (for example, counterclockwise). The Z-shaped folding form indicates that a plurality of pen sections can in turn be folded or deployed in the opposite direction. The RZ-shaped folding form is a combination of the R-shaped folding form and the Z-shaped folding form. More feather sections are necessary to obtain a greater concrete delivery distance. However, the pump truck is inevitably subject to restrictions on road conditions when driving on the road with the boom in the folded state, for example, with the boom in the folded state, the length, width and height of the pump truck are subject to restrictions of road transport regulations. Therefore, it is impossible to add pen sections unlimitedly. At present, the boom sections of a concrete pump truck are generally no more than six sections.

For a long time it has been a difficult problem in the art, that is, how to extend the concrete transport distance, as far as possible, in the deployed state, and ensure that the pump truck could meet road transport standards in The folded state.

WO-2006/097827 discloses an articulated pen formed by two pieces folded substantially together in different planes, which can be connected by a "deflected" section. In this document, each pen section is folded as a unit segment over the adjacent section.

Document CN-102182319 discloses different combinations of folding a pen with six or seven sections. In this document also, each pen section is folded as a unit segment over the adjacent section.

Document CN-102359277 discloses the folding of a generic pen with six sections with a "deviated" section that can be arranged on different sides depending on the type of pen. Also herein, each pen section is folded as a unit segment over the adjacent section.

Summary of the invention

An objective of the present invention is to provide a concrete pump truck boom, which can extend the delivery distance of concrete, as far as possible, when in the deployed state, and essentially does not increase the overall dimension of the pump truck when it is in a folded state.

In order to achieve the objective described above, the present invention provides a concrete pump truck boom with the features of claim 1. In addition, the present invention further provides a concrete pump truck, comprised of an automobile chassis, a platform pivoting and a rotating boom mounted on the automobile chassis through the pivoting platform, wherein, said boom is a boom according to the present invention.

With the previous technical solution, the pen sections of the pen are arranged in two longitudinal planes, in addition, a unique form of folding is used, that is, the first to fifth pen sections are folded in a first direction, while the Sixth and seventh sections are folded over the fifth boom section in a second reverse direction with respect to the first direction, the concrete delivery distance can be extended to the maximum possible when the boom is in the deployed state, and the overall dimension of the pump truck

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It is not essentially raised when the pen is in the folded state.

Other features and advantages of the present invention will be further detailed in the following embodiments.

Description of the attached drawings

The accompanying drawings are provided herein to facilitate a better understanding of the present invention, and are a part of the description. They are used in conjunction with the following embodiments to illustrate the present invention, but should not be construed as limiting the scope of protection of the present invention, in which:

Figure 1 is a side view of a concrete pump truck according to an embodiment of the present invention.

Figure 2 is a perspective view of a concrete pump truck boom shown in Figure 1.

Figure 3 shows mainly the structure between a pivoting platform, a first boom section and a second boom section.

Figure 4 is a side view of the structure shown in Figure 3.

Figure 5 shows mainly the structure between the second pen section and a third pen section.

Figure 6 is a side view of the structure shown in Figure 5.

Figure 7 shows mainly the structure between the third pen section and a fourth pen section. Figure 8 is a side view of the structure shown in Figure 7.

Figure 9 shows mainly the structure between the fourth pen section and a fifth pen section. Figure 10 is a side view of the structure shown in Figure 9.

Figure 11 shows mainly the structure between the fifth pen section, a sixth pen section and a seventh pen section.

Figure 12 is a side view of the structure shown in Figure 11.

Figure 13 shows a part of the pen in the unfolded state.

Figure 14 shows another part of the pen in the unfolded state.

Detailed description of the achievements

Next, the embodiments of the present invention described will be detailed with reference to the accompanying drawings. It should be noted that the embodiments described herein are only provided to illustrate and explain the present invention, but should not be considered as a limitation of the present invention.

As shown in Fig. 1, the concrete pump truck 10 consists primarily of an automobile chassis 11 including a moving cabin 12 and vehicle frame 13, and a boom 15 is mounted on the vehicle frame 13 through a pivoting platform 16. The boom 15 shown in Figure 1 is composed of seven boom sections 21-27, that is, first boom section 21, second boom section 22, third boom section 23, fourth boom section 24, fifth boom section 25, sixth boom section 26, and seventh boom section 27 in sequence, starting from the pivoting platform 16, in which the adjacent boom sections are articulated with each other. The boom 15 can rotate by means of the pivoting platform 16 around the X axis; preferably, it can be rotated within the range 0-360 °. In the unfolded state, the maximum length of the boom 15 can be 80 m or more. For the convenience of the description, when the pen is in a state of complete deployment (referring to Figure 13 and 14), one side of each pen section facing the ground is known as the "inner surface" and is marked as 19 , and the other side that faces the opposite side of the ground is known as the "outer surface" and is marked as 20.

In the concrete pump truck boom in the present invention, the boom sections can be grouped into two groups, that is, as shown in Figure 2, when the boom 15 is in the folded state, the first and second boom sections 21, 22 are in a first longitudinal plane P and constitute a first pen group 17, and the fourth to seventh pen sections 24-27 are in a second longitudinal plane T and constitute a second pen section group 18 , where the first longitudinal plane P and the second longitudinal plane T are parallel to each other and are separated by a predetermined interval D, and the third boom section 23 extends between the first longitudinal plane P and the second longitudinal plane T. The first to the fifth pen sections 21-25 (Figures 13 and 14) are arranged to bend in a first direction V1 (ie, forming an R-shaped folding form), the sixth pen section 26 can be Fold over the fifth boom section 25 in a second direction V2 which is inverted with respect to the first direction V1 (ie, the fourth to the sixth boom sections 24-26 are folded in the form of a Z-shaped fold). The seventh boom section 27 and the sixth boom section 26 are arranged in a linear fashion and folded together on the fifth section 25. With such an arrangement, the dimensions (i.e. length, width and height) of the pump truck are they can minimize to the maximum possible, when the pen is in plagued state. The length of the pen can be maximized as much as possible, when the pen is in state

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unfolded.

It is notable that, in the present invention, the seventh boom section 27 and the sixth boom section 26 are arranged in a linear fashion and folded over the fifth section 25. The pen of the concrete truck pump is described in detail below. The present invention.

Figure 3 shows mainly the structure between the pivoting platform 16, the first boom section 21 and the second boom section 22. Figure 4 is a side view of the structure shown in Figure 3.

As shown in Figures 3 and 4, one end of the first boom section 21 is articulated to the pivoting platform 16 in a known manner, and the other end of the first boom section 21 is articulated to the second section. 22. The reference number 29 represents a first movement mechanism (for example, a hydraulic cylinder), which is used to move the first section 21 so that it rotates relative to the pivoting platform 16 in the vertical direction, and the interval of the rotation angle is preferably 0-90 °. The reference number 31 represents a second movement mechanism (for example, a hydraulic cylinder), which moves the second boom section 22 by means of a first linkage mechanism 30 so that it rotates relative to the first boom section 21, to fold the first and second pen sections 21, 22 together or unfold them apart, and the range of the angle of rotation is preferably 0-180 °. The reference number 32 represents a support seat, by means of which the second movement mechanism 31 is articulated to the first boom section 21. In addition, connection supports 67 are provided in each boom section, by means of which A concrete delivery tube 63 (see Figure 1) is connected to the boom 15, and the boom 15 and the concrete delivery tube 63 together form a concrete pump installation boom.

Moreover, it can be seen in Figures 3 and 4, that for the facilitation of the articulated connection between the first and the second boom section 21, 22 and the relative rotation between them, the corresponding articulated ends of the two boom sections they are bent towards each other, so that the second movement mechanism 31 and the link mechanism 30 can be conveniently arranged between the two boom sections.

Figure 5 shows mainly the structure between the second pen section 22 and the third pen section

23. Figure 6 is a side view of the structure shown in Figure 5.

The first pen section 21 and the second pen section 22 are substantially located in the same longitudinal plane P, but the orientation of the third section 23 is different. It is clearly seen in Figure 5, that the third pen section 23 extends between the first longitudinal plane P and the second longitudinal plane T, that is, the third pen section 23 has a general "bent" shape, and includes a first part 40, a middle part 41 and a second part 42 along its longitudinal direction, in which the first part 40 is located in the first longitudinal plane P, the second part 42 is located in the second longitudinal plane T, and the middle part 41 is between the first part and the second part, in order to provide a transition function. The first longitudinal plane P and the second longitudinal plane T are parallel to each other and are spaced with a predetermined interval D, the size of the interval D can be appropriately designed according to the actual condition of the pump truck, for example, the maximum width of the truck pump, the width of the boom sections, etc. This design is easy to understand and carried out by experts in the field, and will not be detailed here.

As can be seen in Figures 3 and 5, a groove 35 is formed on the inner surface 19 of the second boom section 22, and the groove 35 is suitable for housing a third movement mechanism 36, at least partially, where one end of the third movement mechanism 36 is articulated to the second pen section 22, and the other end of the third movement mechanism 36 moves the third pen section 23 by means of a second link mechanism 39, so that the third boom section 23 can be folded or unfolded in relation to the second boom section 22. With this structure arrangement, the distance between the two boom sections can be minimized and, therefore, the structure can be more compact.

Furthermore, similar to the first pen section 21 and the second pen section 22, the corresponding articulated ends of the second pen section 22 and the third pen section 23 are preferably bent towards the other, whereby the third movement mechanism 36 and the second link mechanism 39 can conveniently be arranged between them.

In other embodiments, the corresponding articulated ends of the other adjacent sections of the pen are bent towards each other to form a suitable space to house the corresponding link mechanism.

Figure 7 shows mainly the structure between the third pen section 23 and the fourth pen section

24. Figure 8 is a side view of the structure shown in Figure 7.

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Similar to the second pen section 22, a groove (not shown) is formed on the inner surface of the second part 42 of the third pen section 23, to accommodate, at least partially, a fourth movement mechanism 43 , wherein one of the ends of the fourth movement mechanism 43 is articulated to the second part 42 of the third boom section 23 and the other end of the fourth movement mechanism 43 moves the two boom sections 23, 24 by means of a third linkage mechanism 47 to fold them together or deploy them in relation to each other. Other structures of the two pen sections 23 and 24 are substantially the same as those described above and, therefore, are not detailed here.

Figure 9 shows the structure mainly between the fourth pen section 24 and the fifth pen section 25. Figure 10 is a side view of the structure shown in Figure 9.

Similar to the structure described above, one end of a fifth movement mechanism 53 is articulated to the fourth boom section 24, and the other end of the fifth movement mechanism 53 moves the fourth section 24 and the fifth section 25 by means of a fourth link mechanism 54 to fold them together or deploy them in relation to each other. Moreover, the corresponding articulated ends of the two sections are bent towards each other, to form a space to accommodate the fifth movement mechanism 53 and the fourth link mechanism 54. Other structures are similar to those described above, and therefore They are not detailed here.

Figure 11 shows mainly the structure between the fifth pen section 25, the sixth pen section 26 and the seventh pen section 27. Figure 12 is a side view of the structure shown in Figure 11.

As shown in Figures 11 and 12, differently than the five pen sections described above, the sixth pen section 26 preferably folds a second direction V2 relative to the fifth pen section 25, so that the outer surface 20 of the sixth boom section 26 faces the outer surface 20 of the fifth boom section 25. The sixth movement mechanism 57 and the fifth link mechanism 59 are suitable for articulating the fifth section 25 and the sixth section of pen 26. In addition, the seventh pen section 27 and the sixth pen section 26 are arranged in a linear manner in relation to each other. Such an arrangement can improve the flexibility of concrete delivery.

In addition, as can be seen in Figure 11, a groove 60 is formed on the inner surface 19 of the sixth boom section 26, so that a seventh movement mechanism (not shown) can be accommodated in groove 60 to move the sixth pen section 26 and seventh pen section 27 to fold them together or unfold in relation to each other. The sixth boom section 26 may be folded in relation to the seventh boom section 27 in the first direction V1, and the angle of rotation of the boom between the sixth boom section 26 and the seventh boom section 27 may be 0- 90 ° In other embodiments, the range of the angle included between the sixth and seventh feather sections is 90 ° -180 °.

The angle of rotation between the fifth boom section 25 and the sixth boom section 26 may be 0-210 °.

Each of the pen sections 21-27 is made of a metallic material, such as steel or an aluminum alloy, etc. Preferably, at least some of the boom sections or at least a portion of each boom section are made of carbon fiber material, to greatly reduce the overall weight of the boom.

For example, the length of each section may be 13-15 m, but the length of the sixth and seventh pen sections 26, 27 may be 6-7 m respectively.

The concrete delivery tube 63 is connected to the boom 15 in a known manner, for example, it can be connected to the boom 15 by means of a plurality of connecting brackets 67, to deliver the concrete.

For example, the length L of the concrete pump truck can be about 18 m, the height H is about 4 m and the width is about 2.5 m.

With reference to Figures 13 and 14, the pen 15 is deployed to its maximum length, that is, all pen sections are approximately on the same line. When the pen of the unfolded state is folded to the folded state, the seventh pen section 27 and the sixth pen section 26 are folded together over the fifth pen section 25 counterclockwise V2, and the fifth pen section 25 is folded over the fourth pen section 24 clockwise V1, therefore, the fourth, fifth and sixth pen sections 24-26 are folded in a Z-shape. Then, the fourth pen section 24 is folded over the third pen section 23 clockwise V1, the third pen section 23 folds over the second pen section 22 clockwise V1, and the second pen section 22 folds on the first pen section 21 clockwise; therefore, the first to fifth sections 21-25 are folded in an R shape. With that single folding shape and the folded structure of the third boom section 23, the transport distance of the concrete can be extended to the maximum possible, when the boom is in the unfolded state, and the overall dimension of the pump truck does not increase when the boom is in the folded state.

Although some preferred embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the details of the embodiments. Those skilled in the art can make modifications and variations to the technical solution of the present invention, without departing from the spirit 5 of the present invention. However, all these modifications and variations will be considered within the scope of protection of the present invention.

Claims (10)

5 10 fifteen twenty 25 30 35 40 Four. Five fifty 55 1. A concrete pump truck boom having a folded state and an unfolded state, wherein said boom comprises seven boom sections (21-27) articulated in sequence, in said folded state, the first (21) and the second (22) pen sections of said pen sections are located in a longitudinal first plane (P), and from the fourth (24) to the last (25, 26, 27) pen sections are in a second longitudinal plane ( T), the first longitudinal plane (P) and the second longitudinal plane (T) are parallel to each other and are separated by a predetermined interval (D), the third pen section (23) extends between the first longitudinal plane (P) ) and the second longitudinal plane (T), the first to the fifth pen sections (21-25) are arranged to fold in a first direction (V1), and the sixth pen section (26) and the seventh pen section (27) are arranged to fold over the fifth pen section (25) in u In the second direction (V2) inverse with respect to the first direction (V1), so that an outer surface (20) of the sixth (26) and the seventh (27) pen sections face an outer surface (20) of the fifth pen section (25), wherein the sixth (26) and seventh (27) pen sections are arranged in a linear fashion and folded together on the fifth pen section (25). 2. The boom of the concrete pump truck according to claim 1, characterized in that said sixth boom section (26) can be folded relative to said seventh boom section (27) in said first direction (V1), while said sixth (26) and seventh (27) pen sections, when arranged in a linear fashion with each other, can be folded in a second direction (V2) opposite the first direction (V1) on the fifth pen section (25). 3. The boom of the concrete pump truck according to claims 1 or 2, characterized in that said third boom section (23) comprises a first part (40), a middle part (41) and a second part (42), the first part (40) is located in the first longitudinal plane (P), the second part (42) is located in the second longitudinal plane (T) and the middle part (41) is between the first part (40) and the second part (42). 4. The concrete pump truck boom according to any of the preceding claims, characterized in that from the first to the fifth boom sections (21-25), the range of the angle included between adjacent sections of the boom is 0- 180 ° 5. The concrete pump truck boom according to any of the preceding claims, characterized in that the range of the angle included between the fifth boom section (25) and the sixth boom section (26) is 0-210 °. 6. The concrete pump truck boom according to claim 2, characterized in that the range of the angle included between the sixth boom section (26) and the seventh boom section (27) is 90-180 °. 7. The concrete pump truck boom according to any of the preceding claims, characterized in that the adjacent sections of the boom can be operated by a hydraulic drive mechanism (29, 31, 36, 43, 53, 57) and a mechanism of connection (30, 39, 47, 54, 59) to fold together or unfold each other. 8. The concrete pump truck boom according to claim 7, characterized in that at least one of the two adjacent sections of the boom has a groove (35, 60) that is suitable for at least partially housing the hydraulic drive mechanism ( 36, 43). 9. The concrete pump truck boom according to claims 7 or 8, characterized in that the corresponding articulated ends of adjacent boom sections (21-26) are bent toward each other to form a suitable space to house the linkage mechanism (30, 39, 47, 54, 59). 10. A concrete pump truck, comprising an automobile chassis (11), a pivoting platform (16) and a boom (15) mounted on the automobile chassis (11) through the pivoting platform (16), characterized in that said pen is the pen according to any one of claims 1-9.