CN212129135U - Pile driver - Google Patents

Abstract

The utility model provides a pile driver, which relates to the technical field of engineering machinery and comprises an extension platform positioned at one end of a bearing platform and a weight box arranged on the extension platform, wherein the weight box comprises a box body and a weight piece, and a weight cavity is arranged in the box body; the counterweight member is disposed within the counterweight chamber. The purpose of moving the gravity center of the pile driver backwards can be achieved by arranging the weight part in the weight cavity of the weight box. Therefore, the stability of the pile driver during operation is improved, and the pile driver is prevented from tilting or even overturning due to gravity center deviation.

Description

Pile driver

Technical Field

The utility model relates to an engineering machine tool technical field particularly, relates to a pile driver.

Background

With the rapid development of economy, the living standard of people is rapidly improved, and higher requirements are made on the completeness of infrastructure construction. A large construction machine is essential for foundation construction, in which the main structure of a pile driver is improved by an excavator, but in the pile driving operation, the weight of a device such as a front-stage pile driving arm or a pile hammer is large, and therefore the center of gravity of the pile driver is shifted forward, and the pile driver is prone to toppling during the operation.

In order to improve the balance of the existing pile driver during operation, the center of gravity of the whole pile driver is moved backwards by extending a bearing platform of the pile driver backwards during design and manufacture. However, since the structure of the original pile driver is not changed, only a small section of the extension platform is arranged at the rear end of the bearing platform (the pile driver is provided with the pile driving arm, and one end of the pile driving hammer is the front end), the adjustment of the center of gravity is not obvious enough, and the requirement of the pile driver for adjusting the center of gravity in the operation mode cannot be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pile driver to the not enough among the above-mentioned prior art to solve the problem that current pile driver can't satisfy focus adjustment demand under the mode of operation.

In order to achieve the above object, the embodiment of the present invention adopts the following technical solutions:

in one aspect of the embodiment of the present invention, a pile driver is provided, which includes an extension platform located at one end of a bearing platform and a weight box disposed on the extension platform, wherein the weight box includes a box body and a weight member, and a weight cavity is disposed inside the box body; the counterweight member is disposed within the counterweight chamber.

Optionally, the box body includes a first side plate, a second side plate, a third side plate, a fourth side plate and a bottom plate; first curb plate, second curb plate, third curb plate and fourth curb plate head and the tail are connected in order and are formed ring structure, and the one end of bottom plate involution ring structure encloses with cooperation ring structure and closes and form the counter weight chamber.

Optionally, the box body further comprises a top plate; the top plate covers the other end of the annular structure; one side of the top plate is hinged with the second side plate, and the other side of the top plate can be locked with the third side plate, or the other side of the top plate can be locked with the fourth side plate.

Optionally, a reinforcement is respectively disposed at a joint of the first side plate and the second side plate, a joint of the second side plate and the third side plate, a joint of the third side plate and the fourth side plate, and a joint of the fourth side plate and the first side plate.

Optionally, the weight chamber comprises a plurality of sub-chambers; a plurality of partition plates are further arranged between the second side plate and the fourth side plate, and the partition plates divide the counterweight cavity into a plurality of sub-cavities.

Optionally, the plurality of partition plates are parallel to each other and detachably connected to the second side plate and the fourth side plate, respectively.

Optionally, a plurality of first through grooves which are parallel to each other are formed in the second side plate, a plurality of second through grooves which are parallel to each other are formed in the fourth side plate, and the plurality of second through grooves are respectively arranged in one-to-one correspondence with the plurality of first through grooves; the two opposite side ends of the partition plates are correspondingly inserted into the first through groove and the second through groove respectively so as to divide the counterweight cavity into a plurality of sub-cavities.

Optionally, the length of the second side plate and the fourth side plate is equal to the length of the extension platform.

Optionally, a buffer is further disposed in the counterweight cavity.

Optionally, the pile driver further comprises a pile driving part; the pile driving part is positioned at the other end of the bearing platform, and the extension platform is arranged opposite to the pile driving part.

The beneficial effects of the utility model include:

the utility model provides a pile driver, including the weight box. The weight box is fixedly arranged on an extension platform of the pile driver, namely the weight box is arranged at the rear end of the pile driver, and the weight box and the pile driver at the front end form a structure which is respectively positioned at two end parts of a bearing platform of the pile driver. Wherein, the weight box includes the box and is located the inside counter weight chamber of box. When the pile driver carries out pile driving operation, the purpose of moving the gravity center of the pile driver backwards can be achieved by arranging the counterweight in the counterweight cavity of the counterweight box. Therefore, the stability of the pile driver during operation is improved, and the pile driver is prevented from tilting or even overturning due to gravity center deviation. In actual operation, the weight of the counterweight can be determined according to the specific construction working condition of the pile driver. Meanwhile, the mode that the counterweight part is arranged in the counterweight cavity of the counterweight box can quickly change the gravity center of the pile driver in a putting-in or taking-out mode, and particularly when the gravity center of the pile driver needs to be frequently adjusted, the operation efficiency of the pile driver can be effectively improved. The weight box is arranged in the form of a box when the pile driver is in a non-operational mode, such as a walking mode, and can also be used for storing objects, such as accessories for the pile driver, repair tools, etc., thereby further improving the continuous operational capability of the pile driver and reducing the dependence on auxiliary loading equipment.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a pile driver according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a weight box of a pile driver according to an embodiment of the present invention.

Icon: 100-a load-bearing platform; 101-an extension platform; 120-weight box; 121-a first side panel; 122-a second side panel; 123-a third side plate; 124-a fourth side plate; 125-a bottom plate; 126-a top plate; 127-separation plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. It should be noted that, in the case of no conflict, various features in the embodiments of the present invention may be combined with each other, and the combined embodiments are still within the scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", etc. are only used for convenience of description and simplified description, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The pile driver is generally applied to a pile foundation stage in construction, for example, in a soft foundation construction site, a pile is designed by using a concrete precast pile or a steel pipe pile, and the pile is driven underground by the pile driver until reaching a designed stratum, so that a stable pile foundation is provided for subsequent construction. The existing pile driver generally adopts the same walking and bearing structure as the excavator, and a pile driving part (generally comprising a pile driving arm, a pile driving hammer and the like) is arranged at the advancing end of a bearing platform. Meanwhile, in order to avoid the situation that the pile driver is provided with a heavy component such as a pile driving part at the advancing end of the bearing platform, the rear end of the bearing platform is usually extended by an extending platform, so that the function of adjusting the center of gravity is achieved. However, in actual operation, the requirement of the pile driver for adjusting the center of gravity cannot be met only by adjusting the extension platform. On this basis, the present application proposes a pile driver, solving the above-mentioned problems.

In one aspect of the embodiment of the present invention, there is provided a pile driver, as shown in fig. 1, including an extension platform 101 located at one end of a bearing platform 100 and a weight box 120 disposed on the extension platform 101, wherein the weight box 120 includes a box body and a weight member, and a weight cavity is provided inside the box body; the counterweight member is disposed within the counterweight chamber.

Illustratively, as shown in fig. 1, the weight box 120 is fixedly disposed on the extension platform 101, wherein the weight box 120 includes a box body and a weight cavity located inside the box body. The counterweight parts with different weights are arranged in the counterweight cavities, so that the gravity center of the pile driver can be adjusted, the stability of the pile driver during operation is improved, and the pile driver is prevented from tilting or even overturning due to gravity center offset.

When the pile driver is in the operational mode, the pile driver enters the parking mode, at which time the pile driver section is extended to a predetermined position, and a weight of an appropriate weight can be placed in the weight cavity as required, thereby weighting the weight of the rear end of the pile driver so that it is approximately in equilibrium with the weight of the front end of the pile driver, i.e., the center of gravity of the entire pile driver is constantly moving toward the rear end (in the direction of the weight box 120) as the weight is placed in the weight cavity. When the weight member is a plurality of, can add it in the counter weight intracavity in proper order, along with the increase of the weight member in the counter weight intracavity, the focus of pile driver constantly moves backward, when the focus moved too much, can also take out the weight member from the counter weight intracavity to the realization is to the dynamic adjustment of the focus of pile driver. Because the counter weight structure is the box in this application, so, realizing the in-process to the adjustment of pile driver focus, can be through the shortcut of putting into or taking out, realize more efficient counter weight adjustment, especially promote more obviously when needs frequent adjustment, and then the operating efficiency of effectual improvement pile driver.

When the pile driver is in a non-operational mode, such as a walking mode, the weight box 120 provided on the extension platform 101 may then be used as a storage box, in which the auxiliary kit of the pile driver, repair tools, etc. are loaded, thereby further improving the continuous operation of the pile driver and reducing its dependence on auxiliary loading equipment.

It should be noted that, the above-mentioned weight member with proper weight is not limited to the specific weight thereof in this application, and those skilled in the art should know how to add the weight member with proper weight into the weight box 120 according to the actual construction condition, so as to meet the requirement of adjusting the gravity center of the pile driver. The weight member may include one, two or more, and the number thereof is not limited in the present application. Meanwhile, the weight member may be a dense, heavy object such as: lead blocks, iron blocks, and the like.

The weight box 120 disposed on the extension platform 101 may be directly welded to the extension platform 101, or may be detachably fixed by connecting fasteners, such as bolts, screws, etc. The present application does not specifically limit it.

Optionally, the box body comprises a first side plate 121, a second side plate 122, a third side plate 123, a fourth side plate 124 and a bottom plate 125; the first side plate 121, the second side plate 122, the third side plate 123 and the fourth side plate 124 are sequentially connected end to form an annular structure, and the bottom plate 125 seals one end of the annular structure to form a counterweight cavity in a manner of being enclosed by the annular structure.

Illustratively, as shown in fig. 2, the box body includes four side plates, wherein the first side plate 121, the second side plate 122, the third side plate 123 and the fourth side plate 124 are sequentially connected end to end so as to form an annular structure, wherein the connection manner may be a detachable connection manner such as a screw, or a non-detachable connection manner such as welding. Meanwhile, in order to enable the box body to have better bearing capacity, a bottom plate 125 can be arranged at one end of an annular structure formed by enclosing, and the same side ends of the four side plates are fixedly arranged on the bottom plate 125, so that a groove-shaped counterweight cavity is formed. As shown in fig. 1, the bottom plate 125 is attached to the extension platform 101, and the four side plates or the bottom plate 125 are fixedly connected to the extension platform 101, thereby completing the fixed installation of the weight box 120. When the pile driver is used, the weight part can be directly placed into the weight cavity through the opening of the weight box 120 towards the upper part, so that the gravity center of the pile driver can be conveniently adjusted. The four side plates and the bottom plate 125 may be made of steel plates or iron plates.

Optionally, the box further comprises a top plate 126; the top plate 126 covers the other end of the ring structure; one side of the top plate 126 is hinged to the second side plate 122 and the other side of the top plate 126 may be locked to the third side plate 123, or the other side of the top plate 126 may be locked to the fourth side plate 124.

For example, to further improve the safety of the weight box 120 when receiving the weight member, a top plate 126, i.e., a cover plate, may be disposed on the top of the box. The top plate 126 covers the upper end opening of the annular structure formed by the four side plates in a surrounding mode, so that the bottom plate 125 and the four side plates are matched to form omnibearing three-dimensional limit on the counterweight part accommodated in the counterweight cavity, and unsafe accidents caused by falling of the counterweight part are prevented. In order to limit the weight member by the top plate 126, and at the same time, the top plate 126 is required to have an opening and closing capability, so as to facilitate the addition or removal of the weight member, two setting modes are schematically given as follows:

one way is to hinge one side of the top plate 126 to the second side plate 122 and lock the other side of the top plate 126 to the third side plate 123. When it is desired to add or remove a weight, the lock may be unlocked and the top plate 126 lifted, whereupon the top plate 126 is rotated relative to the second side plate 122 to open the opening. In this arrangement, the locked position can be located on the side of the load-bearing platform 100 to facilitate operation by an operator. Similarly, the locking portion may be disposed on the fourth side plate 124, in which case the stability of the locking of the top plate 126 may be improved. Similarly, a plurality of locking structures may be disposed at a plurality of contact positions of the top plate 126 and the four side plates, so as to achieve a stronger locking force.

Alternatively, as shown in fig. 2, the top plate 126 and the four side plates are fixedly connected together by screws, and when the weight member needs to be added or removed, the screws may be loosened, and the top plate 126 may be removed and then operated.

It should be noted that the aforementioned locking may be realized by a locking member, such as a screw, a snap, or the like. In other embodiments, the top plate 126 may also include a plurality of small plates.

Optionally, reinforcements are respectively provided at the joint of the first side plate 121 and the second side plate 122, the joint of the second side plate 122 and the third side plate 123, the joint of the third side plate 123 and the fourth side plate 124, and the joint of the fourth side plate 124 and the first side plate 121.

For example, in order to further improve the strength of the entire weight box 120, reinforcements may be provided at the connection point of the first side plate 121 and the second side plate 122, the connection point of the second side plate 122 and the third side plate 123, the connection point of the third side plate 123 and the fourth side plate 124, and the connection point of the fourth side plate 124 and the first side plate 121, respectively, to increase the stability of the mutual connection. The reinforcing member may be a reinforcing rib or a reinforcing block.

Optionally, the weight chamber comprises a plurality of sub-chambers; a plurality of partition plates 127 are further disposed between the second side plate 122 and the fourth side plate 124, and the plurality of partition plates 127 divide the weight chamber into a plurality of sub-chambers.

For example, as shown in fig. 2, in order to provide more limit to the weight in the weight chamber and prevent the weight from causing impact or noise to the box body due to the back and forth movement of the weight in the weight box 120 during the operation of the pile driver, a plurality of partition plates 127 may be further disposed between the second side plate 122 and the fourth side plate 124, the weight chamber may be divided into a plurality of smaller sub-chambers by the partition plates 127, the weight may be placed in the sub-chambers, and the movable range of the weight may be further reduced by the partition plates 127. In addition, the shape of weight piece can also correspond the matching with the shape of the son chamber after separating, and the size of weight piece is equivalent with the size of son chamber promptly to put into the son chamber rather than corresponding at the weight piece after, can laminate with the inner wall of son chamber as far as, when the pile driver action, the noise that effectual reduction vibration produced.

Alternatively, a plurality of partition plates 127 are parallel to each other and detachably connected to the second side plate 122 and the fourth side plate 124, respectively.

In an example, in order to improve the flexibility of the weight box 120 in use, detachable connection forms may be formed between the separation plate 127 and the second side plate 122 and between the separation plate 127 and the fourth side plate 124, so that the sizes of the sub-cavities may be flexibly adjusted according to the size, length, thickness, and the like of the weight members, the weight members may be well limited, and meanwhile, the weight members of different sizes may be accommodated, thereby further improving the convenience in use of the weight box 120.

Optionally, a plurality of first through grooves parallel to each other are formed in the second side plate 122, a plurality of second through grooves parallel to each other are formed in the fourth side plate 124, and the plurality of second through grooves are respectively arranged in one-to-one correspondence with the plurality of first through grooves; opposite side ends of the plurality of partition plates 127 are respectively and correspondingly inserted into the first through groove and the second through groove to divide the counterweight cavity into a plurality of sub-cavities.

As an example, the detachable connection manner may specifically be that through slots corresponding to each other are respectively disposed on the second side plate 122 and the fourth side plate 124, and the size of the through slot should correspond to the size of the partition plate 127, for example, the width of the through slot is equivalent to the thickness of the partition plate 127.

Optionally, the second side plate 122 and the fourth side plate 124 have a length equal to the length of the extended platform 101.

For example, as shown in fig. 1, in order to fully utilize the extension platform 101 without affecting the overall size of the pile driver, the lengths of the second side plate 122 and the fourth side plate 124 may be equal to the length of the extension platform 101, and the lengths of the first side plate 121 and the third side plate 123 may be equal to the width of the extension platform 101. Thereby making the overall pile driver more integral.

Optionally, a buffer is further disposed in the counterweight cavity.

For example, in order to avoid the impact and even damage to the box body caused by the movement of the counterweight member in the counterweight cavity, a buffer member can be arranged in the counterweight cavity. For example, when the buffer is a sponge, it is laid along the inner wall of the box body by one or more layers, and when the embodiment includes the partition plate 127, it can also be laid on the partition plate 127. When the buffer piece is a spring, one end of the buffer piece is arranged on the inner wall of the box body, and the other end of the buffer piece is abutted against the counterweight piece, so that the purpose of absorbing the kinetic energy of the counterweight piece is achieved by utilizing elastic potential energy. In addition, a buffer layer can be arranged on the counterweight, so that a better buffer effect is achieved. Further increasing the life of the weight box 120.

Optionally, the pile driver further comprises a pile driving part; the piling section is located at the other end of the load bearing platform 100 and the extension platform 101 is located opposite the piling section.

Illustratively, the piling part is located at one end of the bearing platform 100, the extension platform 101 is located at the other end of the bearing platform 100, and the extension platform 101 is arranged opposite to the piling part; the weight box 120 is fixedly arranged on the extension platform 101 of the pile driver. The weight of one end of the pile driver provided with the extension platform 101 is increased or decreased by adding or decreasing the weight part in the weight box 120, so that the gravity center position of the pile driver is adjusted by matching with the pile driving part, and the stability of the pile driver during operation is improved. Simultaneously, also promote pile driver's storing ability.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The pile driver is characterized by comprising an extension platform positioned at one end of a bearing platform and a weight box arranged on the extension platform, wherein the weight box comprises a box body and a weight part, and a weight cavity is formed in the box body; the counterweight member is disposed within the counterweight chamber.

2. Pile driver as claimed in claim 1, characterized in that the box comprises a first side plate, a second side plate, a third side plate, a fourth side plate and a bottom plate; the first side plate, the second side plate, the third side plate and the fourth side plate are sequentially connected end to form an annular structure, and the bottom plate seals one end of the annular structure to be matched with the annular structure to enclose and form the counterweight cavity.

3. Pile driver as claimed in claim 2, characterized in that the box further comprises a top plate; the top plate covers the other end of the annular structure;

one side of the top plate is hinged with the second side plate, and the other side of the top plate can be locked with the third side plate, or the other side of the top plate can be locked with the fourth side plate.

4. Pile driver as claimed in claim 2, characterized in that reinforcements are provided at the connection of the first and second side plate, the connection of the second and third side plate, the connection of the third and fourth side plate and the connection of the fourth and first side plate, respectively.

5. Pile driver as claimed in claim 2, characterized in that the counterweight chamber comprises a plurality of sub-chambers; a plurality of partition plates are further arranged between the second side plate and the fourth side plate, and the partition plates divide the counterweight cavity into a plurality of sub-cavities.

6. Pile driver as claimed in claim 5, characterized in that a plurality of said partition plates are parallel to each other and are detachably connected to said second side plate and said fourth side plate, respectively.

7. Pile driver as claimed in claim 6, characterized in that a plurality of first through slots parallel to each other are provided on said second side plate, and a plurality of second through slots parallel to each other are provided on said fourth side plate, said plurality of second through slots being provided in one-to-one correspondence with said plurality of first through slots, respectively; the two opposite side ends of the partition plates are correspondingly inserted into the first through groove and the second through groove respectively so as to divide the counterweight cavity into a plurality of sub-cavities.

8. Pile driver as claimed in claim 2, characterized in that the length of the second side plate and the fourth side plate is equal to the length of the extension platform.

9. Pile driver as claimed in claim 1, characterized in that a buffer is also provided in the counterweight chamber.

10. Pile driver as claimed in claim 1, further comprising a pile driving portion; the pile driving part is positioned at the other end of the bearing platform, and the extension platform is arranged opposite to the pile driving part.

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