Pile driver for constructional engineering

Abstract

The utility model discloses a pile driver for constructional engineering, which comprises a sleeve, a mounting plate is slidably mounted in an inner cavity of the sleeve, a guide rod is fixedly mounted on the lower surface of the mounting plate, a fixing plate is slidably mounted on the surface of the guide rod, a pile hammer is fixedly mounted on the lower surface of the fixing plate, and a damping block is fixedly mounted on the lower surface of the mounting plate. A spring is fixedly installed between the lower surface of the damping block and the fixing plate, through holes are formed in the two sides of the sleeve, and fan blades are rotationally installed in the through holes. A pile hammer is used for hammering a hanging pile, the pile hammer moves upwards after being subjected to reverse shock force, a fixing plate also moves upwards, so that a spring is extruded, the spring and a damping block are matched for use, shock absorption is carried out, a pile body is prevented from inclining, necking down and even breaking, meanwhile, a toothed plate is driven by a mounting plate to move up and down, so that meshed gears rotate, and then fan blades are driven to rotate; the piston rod of the hydraulic cylinder is cooled, so that the piston rod is prevented from expanding due to overheating, and precision and stability are not affected.

Description

Technical Field

[0001] The utility model belongs to the technical field of construction engineering pile drivers, in particular to a pile driver for construction engineering. Background Art

[0002] A pile driver consists of a pile hammer, a pile frame and ancillary equipment. The pile hammer is attached between two parallel vertical guide rods in the front of the pile frame and is lifted by a lifting hook. The pile frame is a steel structure tower with a winch at the rear for lifting the pile and the pile hammer. There is a guide frame composed of two guide rods in front of the pile frame to control the direction of piling so that the pile can be accurately penetrated into the formation according to the designed direction. The basic technical parameters of a pile driver are the weight of the impact part, the impact kinetic energy and the impact frequency. Pile hammers can be divided into drop hammers, steam hammers, diesel hammers, hydraulic hammers, etc. according to the power source of the movement.

[0003] In the prior art, a Chinese utility model patent with patent number CN213596976U discloses a pile driver for construction engineering, including a base plate, universal wheels, a gas strut, a base, a pile driver body, a water tank, an air pump, a distribution box and a water inlet. The inner bottom wall of the water tank is fixedly connected to the water pump, one end of the water pump is fixedly connected to a hose, one end of the hose is fixedly connected to an atomizing nozzle, one end of the air pump is fixedly connected to an air pipe, and a box door is provided on one side of the distribution box.

[0004] In the above-mentioned prior art, although dust is sprayed by atomizing nozzles to achieve the effect of dust reduction and reduce pollution to the environment, the dust reduction device can also adjust the water flow rate and the spraying position of the atomizing nozzle according to different field conditions, thereby achieving a precise dust reduction effect, reflecting the high efficiency of the equipment. However, when piling, the pile hammer is not shock-absorbed and the vibration is too large, which will cause the pile body to tilt, neck or even break, seriously affecting the quality and bearing capacity of the pile body. At the same time, strong vibration and noise will be generated during construction, causing interference to surrounding buildings and residents' lives. Utility Model Content

[0005] The utility model provides a pile driver for construction engineering to solve the technical problem that the pile hammer does not have shock absorption and vibrates too much, which may cause the pile body to tilt, shrink or even break, and seriously affect the quality and bearing capacity of the pile body.

[0006] In order to achieve the above-mentioned object, the utility model provides the following technical solution: a pile driver for construction engineering, comprising a base and a sleeve, a mounting plate being slidably mounted on the inner cavity of the sleeve, a guide rod arranged circumferentially being fixedly mounted on the lower surface of the mounting plate, a fixing plate being slidably mounted on the surface of the guide rod, a pile hammer being fixedly mounted on the lower surface of the fixing plate, a damping block being fixedly mounted at the connection between the lower surface of the mounting plate and the guide rod, a spring being fixedly mounted between the lower surface of the damping block and the fixing plate and penetrated by the guide rod,

[0007] Through holes are provided on both sides of the sleeve, a bracket is fixedly installed inside the through hole, a mounting column is fixedly installed in the middle of the bracket, a rotating shaft is rotatably installed inside the mounting column, a gear is fixedly installed at one end of the rotating shaft, and a fan blade is fixedly installed at the other end of the rotating shaft, and a toothed plate meshing with the gear is fixedly installed on the upper surface of the mounting plate.

[0008] Optionally, an air chamber is fixedly mounted on the lower surface of the mounting plate, a piston is slidably mounted inside the air chamber, a vertical rod is fixedly mounted on the upper surface of the fixed plate, the vertical rod passes through the bottom of the air chamber, and the top end is fixed to the lower surface of the piston.

[0009] Optionally, a pile frame is fixedly mounted on the upper surface of the base, a slide groove is opened on one side of the pile frame, and a screw rod is rotatably mounted inside the pile frame, a servo motor for driving the screw rod is fixedly mounted on the top of the pile frame, a support rod sliding inside the slide groove is threadedly mounted on the surface of the screw rod, and one end of the support rod is fixed to the sleeve.

[0010] Optionally, a movable block is threadedly mounted on the surface of the screw rod, and an inclined reinforcing rod is fixedly mounted on the lower surface of one end of the support rod and one end of the movable block.

[0011] Optionally, ground spikes are passed through the four sides of the base, and a counterweight is installed on the upper surface of the base.

[0012] Optionally, through grooves are provided at the front and rear sides of the sleeve, and a hanging pile passes through the bottom of the sleeve.

[0013] In summary, compared with the prior art, the pile driver provided by the present invention has the following beneficial effects:

[0014] 1. In this utility model, a hydraulic cylinder drives the mounting plate to slide downward within the sleeve. Supported by the inner wall of the sleeve, this improves the stability during piling, thereby enhancing accuracy. During piling, the pile hammer strikes the hanging pile. The pile hammer, under the impact of the recoil force, moves upward, causing the fixing plate to also move upward, thereby squeezing the spring. The spring and damping block work together to reduce vibration, preventing the pile from tilting, necking, or even breaking, while also reducing noise.

[0015] 2. In this utility model, while the hydraulic cylinder drives the pile hammer to drive the pile, the mounting plate drives the tooth plate up and down, thereby rotating the meshing gears, which in turn drives the fan blades to rotate, dissipating heat from the piston rod of the hydraulic cylinder, preventing the piston rod from expanding due to overheating, which would affect its accuracy and stability, and at the same time preventing thermal stress fatigue caused by temperature changes, thereby extending the service life of the piston rod;

[0016] 3. In this utility model, when the fixed plate moves upward, it drives the vertical rod upward, causing the piston to slide upward, compressing the air in the air chamber, absorbing the energy generated by the impact, and converting it into the internal energy of the compressed air for storage. When the external vibration subsides, the stored internal energy is released in the form of kinetic energy, thereby reducing or eliminating the vibration impact and further improving the shock absorption effect.

[0017] 4. In the present invention, the servo motor rotates to drive the screw to rotate, so that the support rod and the movable block move inside the slide, thereby driving the sleeve to move, which is convenient for use with hanging piles of different lengths. At the same time, the reinforcing rod is used to enhance the stability of the support rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the internal structure of the pile frame of the utility model;

[0020] Figure 3 For this utility model Figure 1 A in the middle is an enlarged structural diagram;

[0021] Figure 4 This is a schematic diagram of the internal structure of the sleeve of the utility model;

[0022] Figure 5 This is a schematic diagram of the cross-sectional structure of the air chamber of the utility model;

[0023] In the figure: 1. Base; 2. Ground spike; 3. Counterweight; 4. Pile frame; 5. Screw; 6. Servo motor; 7. Support rod; 8. Movable block; 9. Reinforcement rod; 10. Slide; 11. Sleeve; 12. Hanging pile; 13. Hydraulic cylinder; 14. Mounting plate; 15. Guide rod; 16. Fixed plate; 17. Damping block; 18. Spring; 19. Pile hammer; 20. Air chamber; 21. Vertical rod; 22. Piston; 23. Through hole; 24. Bracket; 25. Mounting column; 26. Rotating shaft; 27. Fan blade; 28. Gear; 29. Tooth plate. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0025] refer to Figure 1 A pile driver for construction engineering includes a base 1 and a hanging pile 12. The four sides of the base 1 are penetrated by ground spikes 2 for fixing the equipment on the ground, and the upper surface of the base 1 is equipped with a counterweight block 3. Multiple counterweight blocks 3 can be placed to enhance the stability of the piling equipment.

[0026] refer to Figure 1 and Figure 2 A pile frame 4 is fixedly installed on the upper surface of the base 1 and on one side of the counterweight 3. A slide groove 10 is provided on one side of the pile frame 4, and a screw rod 5 is rotatably installed inside the pile frame 4. A servo motor 6 for driving the screw rod 5 is fixedly installed on the top of the pile frame 4. The surface of the screw rod 5 is threadedly installed with a support rod 7 and a movable block 8 that slide inside the slide groove 10, and the support rod 7 is located above the movable block 8. A sleeve 11 is fixedly installed on the outer end of the support rod 7, and a hanging pile 12 passes through the lower end of the sleeve 11. Through grooves are provided at the front and back of the sleeve 11 for observing the piling situation of the hanging pile 12, so as to facilitate controlling the descending distance of the sleeve 11. An inclined reinforcing rod 9 is fixedly installed on the lower surface of one end of the support rod 7 and one end of the movable block 8 to enhance the stability of the support rod 7.

[0027] Furthermore, when in use, the servo motor 6 rotates to drive the screw rod 5 to rotate, so that the support rod 7 and the movable block 8 move inside the slide groove 10, thereby driving the sleeve 11 to move, making it convenient to use the hanging piles 12 of different lengths that are adapted to the sleeve 11.

[0028] refer to Figure 4 A hydraulic cylinder 13 is fixedly installed on the top of the sleeve 11, and the output end of the hydraulic cylinder 13 passes through the sleeve 11 and is slidably fitted, and a mounting plate 14 is fixedly installed on the bottom end. The mounting plate 14 slides on the inner surface of the sleeve 11, and a plurality of circumferentially arranged guide rods 15 are fixedly installed on the lower surface of the mounting plate 14. A fixed plate 16 is slidably installed on the surface of the guide rod 15, and a stopper is provided at the bottom end of the guide rod 15 to prevent the fixed plate 16 from slipping. A pile hammer 19 is fixedly installed on the lower surface of the mounting plate 14, and a damping block 17 is fixedly installed at the connection between the lower surface of the fixed plate 16 and the guide rod 15. A spring 18 penetrated by the guide rod 15 is fixedly installed between the lower surface of the damping block 17 and the fixed plate 16.

[0029] Furthermore, when in use, the hydraulic cylinder 13 drives the mounting plate 14 to slide downward in the sleeve 11, and is supported by the inner wall of the sleeve 11, thereby improving the stability during piling, thereby improving the accuracy. During piling, the pile hammer 19 hammers the hanging pile 12, and the pile hammer 19 moves upward after being subjected to the recoil force, causing the fixing plate 16 to also move upward, thereby squeezing the spring 18. The spring 18 and the damping block 17 are used in conjunction to reduce shock, prevent the pile body from tilting, necking or even breaking, and reduce the generation of noise.

[0030] refer to Figure 4 and Figure 5 An air chamber 20 is fixedly installed on the lower surface of the mounting plate 14, and a piston 22 is slidably installed inside the air chamber 20 and is sealed with the air chamber 20. A vertical rod 21 is fixedly installed on the upper surface of the fixed plate 16. The vertical rod 21 passes through the bottom of the air chamber 20 and is slidably fitted, and the top end is fixed to the lower surface of the piston 22.

[0031] Furthermore, when in use, when the fixed plate 16 moves upward, it drives the vertical rod 21 to move upward, so that the piston 22 slides upward, compressing the air in the air chamber 20, absorbing the energy generated by the impact, and converting it into the internal energy of the compressed air and storing it. When the external vibration subsides, the stored internal energy is released in the form of kinetic energy, thereby reducing or eliminating the vibration impact and further improving the shock absorption effect.

[0032] refer to Figure 3 and Figure 4 , through holes 23 are opened on both sides of the sleeve 11, and a bracket 24 is fixedly installed inside the through hole 23, a mounting column 25 is fixedly installed in the middle of the bracket 24, and a rotating shaft 26 is rotatably installed inside the mounting column 25. A gear 28 is fixedly installed at one end of the rotating shaft 26 in the sleeve 11, and a fan blade 27 is fixedly installed on the other end surface of the rotating shaft 26. A tooth plate 29 meshing with the gear 28 is fixedly installed on the upper surface of the mounting plate 14.

[0033] Furthermore, during use, while the hydraulic cylinder 13 drives the pile hammer 19 to drive the pile, the mounting plate 14 drives the tooth plate 29 to move up and down, thereby rotating the meshing gear 28, and then driving the fan blade 27 to rotate, dissipating heat from the piston rod of the hydraulic cylinder 13, preventing the piston rod from expanding due to overheating, affecting its accuracy and stability, and at the same time preventing thermal stress fatigue caused by temperature changes, thereby extending the service life of the piston rod.

[0034] For example, certain words are used in the specification and claims to refer to specific components. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. This specification and claims do not use differences in names as a way to distinguish components, but use differences in the functions of the components as the criteria for distinction. For example, "including" mentioned throughout the specification and claims is an open term, so it should be interpreted as "including but not limited to". "Approximately" means that within an acceptable error range, those skilled in the art can solve the technical problem within a certain error range and basically achieve the technical effect.

[0035] It should be noted that the terms "include," "comprises," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a product or system comprising a series of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such product or system. In the absence of further limitations, an element defined by the phrase "comprising a..." does not exclude the presence of other identical elements in the product or system comprising the element.

[0036] The above description shows and describes several preferred embodiments of the present application. However, as previously mentioned, it should be understood that the present application is not limited to the form disclosed herein and should not be construed as excluding other embodiments. Instead, the present application can be used in various other combinations, modifications, and environments and can be modified within the scope of the application concept described herein through the above teachings or technology or knowledge in the relevant field. Modifications and changes made by those skilled in the art that do not depart from the spirit and scope of the present application should be protected by the claims appended hereto.

Claims

1. A pile driver for construction engineering, characterized in that: The utility model comprises a base (1) and a sleeve (11), wherein a mounting plate (14) is slidably mounted in the inner cavity of the sleeve (11), a circumferentially arranged guide rod (15) is fixedly mounted on the lower surface of the mounting plate (14), a fixed plate (16) is slidably mounted on the surface of the guide rod (15), a pile hammer (19) is fixedly mounted on the lower surface of the fixed plate (16), and a damping block (17) is fixedly mounted at the connection between the lower surface of the mounting plate (14) and the guide rod (15), and a spring (18) penetrated by the guide rod (15) is fixedly mounted between the lower surface of the damping block (17) and the fixed plate (16). Through holes (23) are provided on both sides of the sleeve (11), a bracket (24) is fixedly installed inside the through hole (23), a mounting column (25) is fixedly installed in the middle of the bracket (24), a rotating shaft (26) is rotatably installed inside the mounting column (25), a gear (28) is fixedly installed on one end of the rotating shaft (26), and a fan blade (27) is fixedly installed on the other end surface of the rotating shaft (26), and a tooth plate (29) meshing with the gear (28) is fixedly installed on the upper surface of the mounting plate (14).

2. A pile driver for construction engineering according to claim 1, characterized in that: An air chamber (20) is fixedly mounted on the lower surface of the mounting plate (14), a piston (22) is slidably mounted inside the air chamber (20), and a vertical rod (21) is fixedly mounted on the upper surface of the fixed plate (16), the vertical rod (21) passes through the bottom of the air chamber (20), and the top end is fixed to the lower surface of the piston (22).

3. A pile driver for construction engineering according to claim 1, characterized in that: A pile frame (4) is fixedly mounted on the upper surface of the base (1), a slide groove (10) is provided on one side of the pile frame (4), and a screw rod (5) is rotatably mounted inside the pile frame (4), a servo motor (6) for driving the screw rod (5) is fixedly mounted on the top of the pile frame (4), a support rod (7) that slides inside the slide groove (10) is threadedly mounted on the surface of the screw rod (5), and one end of the support rod (7) is fixed to a sleeve (11).

4. A pile driver for construction engineering according to claim 3, characterized in that: A movable block (8) is also threadedly mounted on the surface of the screw rod (5), and an inclined reinforcing rod (9) is fixedly mounted on the lower surface of one end of the support rod (7) and one end of the movable block (8).

5. A pile driver for construction engineering according to claim 3, characterized in that: Ground spikes (2) penetrate the four sides of the base (1), and a counterweight (3) is mounted on the upper surface of the base (1).

6. A pile driver for construction engineering according to claim 1, characterized in that: Through grooves are provided at the front and rear sides of the sleeve (11), and a hanging pile (12) is passed through the bottom of the sleeve (11).

Images