CN112281837A

CN112281837A - Pile driving device for precast pile construction

Info

Publication number: CN112281837A
Application number: CN202011335381.0A
Authority: CN
Inventors: 许伟杰; 胡胜召; 李龙; 王志合
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-01-29

Abstract

The invention belongs to the technical field of precast pile driving, and discloses a pile driving device for precast pile construction, which comprises a supporting frame, a sliding frame and a limiting cylinder capable of moving vertically and horizontally and moving up and down, wherein a pile hammer and a pile cap are arranged in the limiting cylinder, the pile hammer is driven by a cylinder, a precast pile fastening part and a precast pile clamping part are arranged below the pile cap, limiting pins capable of being temporarily fixed on the ground during construction are arranged on the outer side wall of the limiting cylinder, a sound absorbing plate is arranged at the vacant position of the limiting cylinder, and the lower end of the supporting frame is arranged on the ground through a shock absorbing pad; the pile driving device can drive a plurality of pile foundations by easily moving the limiting cylinder after the pile driving device is erected, and the pile driving device with large self weight does not need to be integrally moved, so that convenience is brought to construction, and the construction efficiency is effectively improved; the invention is helpful for absorbing the impact noise and buffering the vibration of the impact on the surface layer, thereby effectively reducing the adverse effect of the construction on the surrounding environment; the invention can ensure that the precast pile is vertically driven into the ground, and meets the requirements of the building on the strength and deformation of the foundation.

Description

Pile driving device for precast pile construction

Technical Field

The invention belongs to the technical field of precast pile driving, and particularly relates to a pile driving device for precast pile construction.

Background

When large industrial and civil buildings are built, if the soft soil layer of the foundation is thick, the strength and deformation requirements of the foundation cannot be met by adopting a shallow foundation, the pile foundation is usually adopted, the pile foundation has the function of transmitting load to a hard soil layer buried deeper through the pile foundation or transmitting the load to the foundation through the friction force around the pile foundation, and the construction method can be divided into a reinforced concrete precast pile and a cast-in-place pile. The prefabricated reinforced concrete pile is prefabricated in a construction site or a component field, is driven into the soil through the pile driving device, and then is cast with a reinforced concrete bearing platform on the pile top, so that the prefabricated reinforced concrete pile is low in price, high in bearing capacity, free of influence of changes of underground water level, good in durability, but heavy in self weight, large in vibration during construction, capable of having impact noise and vibration on the surface layer of the ground and having certain influence on surrounding buildings, and meanwhile, the existing pile driving device can only be driven into one pile foundation once during construction, and multiple pile foundations need to be moved for multiple times, so that inconvenience is brought to construction; in order to solve the above problems, it is necessary to develop a piling device for precast pile construction.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a pile driving device for precast pile construction with high construction efficiency, which can effectively reduce collision noise and vibration, effectively reduce the influence on the surrounding environment during construction, effectively ensure that a precast pile is vertically driven into the ground and effectively ensure the requirements of the building on the strength and deformation of the foundation.

The purpose of the invention is realized as follows: the utility model provides a precast pile construction is with pile device, includes braced frame, but be equipped with parallel translation's carriage on the braced frame, the lower extreme of carriage hang be equipped with can follow spacing section of thick bamboo that the carriage removed, be equipped with the cylinder rather than the coaxial setting of axis in the spacing section of thick bamboo, the cylinder through two guide rail A of symmetry setting install in spacing section of thick bamboo, be equipped with in the cylinder with the pile hammer of the coaxial setting of cylinder, be located in spacing section of thick bamboo the below of cylinder be equipped with the pile cap of the coaxial setting of pile hammer, pile cap movable from top to bottom install in between two sets of guide rail A, the pile cap lower extreme is equipped with precast pile fastening portion, the lower part is equipped with the precast pile clamping part in the spacing section of thick bamboo, the lateral wall symmetry ring shape of spacing section of thick bamboo is equipped with four spacing participating in that can reciprocate, the lateral wall of spacing section of thick bamboo is located four the top And the electric push rod A is provided with a sound absorption plate A which does not interfere with each device on the limiting cylinder at a vacant position on the limiting cylinder, and the lower end of the supporting frame is provided with a shock pad.

Preferably, the support frame comprises two portal frames which are symmetrically arranged in parallel, two horizontal support beams are symmetrically arranged on two sides of the upper end of each portal frame, two guide rails B and C which are integrated are respectively arranged on the upper ends of the portal frames, and the guide rails B and the guide rails C are provided with common sliding frames which can move along the guide rails B and the guide rails C in parallel.

Further preferably, the shock pad is arranged at the lower end of the portal frame.

Further preferably, two limiting holes are symmetrically formed in two sides of a cross beam of the portal frame, two limiting rods matched with the two limiting holes are symmetrically arranged on two sides of the lower end of each horizontal supporting beam, and the two horizontal supporting beams are connected and fixed to two sides of the upper end of the two portal frames through the two limiting rods and the two limiting holes in an inserting mode.

Preferably, the lower extreme of carriage is equipped with electric block, electric block hangs up to be equipped with spacing section of thick bamboo.

Preferably, the lower part of the pile hammer is sleeved with the anti-skid elastic sleeve.

Preferably, precast pile fastening portion is equipped with the fixed orifices that matches the precast pile upper end and set up, the fixed orifices with the pile cap is coaxial to be set up, precast pile fastening portion is located the symmetrical cover all around of fixed orifices is equipped with four anchorage bars, the lower extreme of pile cap is located the position department one-to-one of four anchorage bar outer ends is equipped with four and can makes four anchorage bars establish the electric putter B of department's back-and-forth movement along the cover.

Preferably, the precast pile clamping part is including encircleing four grip blocks that set up, the outer end of four grip blocks through four pressure spring fixed connection in the inside wall lower part of a spacing section of thick bamboo, four pressure springs are located one side one-to-one cover of a spacing section of thick bamboo is equipped with fixed connection in four spacing posts on the spacing section of thick bamboo just the highly weak point of four spacing posts is in the half to three-quarters setting of four pressure spring heights.

Preferably, the upper end and the lower end of the limiting cylinder are respectively detachably covered with a sound-absorbing board B and a sound-absorbing board C which do not interfere with the devices on the limiting cylinder.

Due to the adoption of the technical scheme, the invention has the beneficial effects that:

(1) according to the invention, the supporting frame, the movable sliding frame and the movable limiting barrel are adopted, so that the driving of a plurality of pile foundations can be completed only by easily moving the limiting barrel after the pile driving device is erected, the pile driving device with large self weight does not need to be integrally moved, convenience is brought to construction, and the construction efficiency is improved;

(2) the sound-absorbing plates are arranged in the vacant areas of the inner side wall and the outer side wall of the limiting cylinder, so that the absorption of impact noise is facilitated, and the influence of noise generated in construction on the surrounding environment is reduced;

(3) the shock absorption pad is arranged at the lower end of the supporting frame, so that the shock absorption pad is beneficial to buffering the shock of impact on the surface layer, and the influence of the shock generated in construction on the surrounding environment is reduced;

(4) the limit pin is adopted to temporarily position the limit cylinder, so that the limit cylinder is prevented from shaking during construction and influencing the vertical driving of the precast pile into the ground, and meanwhile, the precast pile fastening part and the precast pile clamping part are combined to ensure that the precast pile can be vertically driven into the ground, so that the strength and deformation requirements of the building on the foundation are met.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a partial structural schematic view of the limiting cylinder, the pile hammer, the pile cap and the like of the present invention.

Fig. 3 is a partial structural schematic diagram of a precast pile clamping part, a limiting pin and the like according to the present invention.

Fig. 4 is a partial schematic view of the gantry and carriage of the present invention.

Fig. 5 is a partial structural view of the gantry, horizontal support beam and sliding frame of the present invention.

In the figure: 1. the device comprises a supporting frame 2, a horizontal supporting beam 3, a portal frame 4, a sliding frame 5, an electric hoist 6, a limiting cylinder 7, a guide rail A8, a pile hammer 9, an air cylinder 10, a pile cap 11, an electric push rod B12, an electric push rod A13, a limiting pin 14, a pressure spring 15, a limiting column 16, a clamping block 17, a shock pad 18, a fastening rod 19, a precast pile fastening part 20, a fixing hole 21, a roller group 22, a guide rail B23, a guide rail C24, a limiting hole 25, a limiting rod 26, a sound-absorbing board A27, a sound-absorbing board B28 and a sound-absorbing board C.

Detailed Description

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.

Example one

As shown in fig. 1, 2, 3, 4 and 5, the present invention provides a piling device for precast pile construction, which includes a support frame 1, a sliding frame 4 capable of moving in parallel is disposed on the support frame 1, and a limiting cylinder 6 capable of moving along the sliding frame 4 is suspended at the lower end of the sliding frame 5. Specifically, the supporting frame 1 is used for providing an integral support, and the range in the supporting frame 1 can be driven into a plurality of precast piles through the longitudinal and transverse movement of the limiting cylinder 6. Specifically, the limiting cylinder 6 can move longitudinally and transversely by the parallel movement of the sliding frame 4 and the sliding of the limiting cylinder along the sliding frame 4, so that the driving of a plurality of precast piles in the range of the supporting frame 1 is realized.

Be equipped with the cylinder 9 rather than the coaxial setting of axis in the spacing section of thick bamboo 6, two guide rail A7 that the cylinder 9 set up through the symmetry are installed in spacing section of thick bamboo 6, be equipped with the pile hammer 8 with the coaxial setting of cylinder 9 in the cylinder 9, the below that lies in cylinder 9 in the spacing section of thick bamboo 6 is equipped with the pile cap 10 with the coaxial setting of pile hammer 8, pile cap 10 movable from top to bottom is installed between two sets of guide rail A7, pile cap 10 lower extreme is equipped with precast pile clamping part 19, the lower part is equipped with the precast pile clamping part in the spacing section of thick bamboo 6. Specifically, the hammer 8 and the pile cap 10, which are coaxially disposed and are both installed between the two guide rails a, are used to complete driving of the precast pile by collision of the hammer 8 against the pile cap 10. Specifically, the cylinder 9 provides the ram 8 with impact power.

The outer side wall of the limiting cylinder 6 is symmetrically and annularly provided with four limiting pins 13 capable of moving up and down, and four electric push rods A12 capable of enabling the four limiting pins 13 to move up and down are correspondingly arranged above the four limiting pins 13 on the outer side wall of the limiting cylinder 6 one by one. Specifically, the four circumferentially arranged limit pins 13 can be inserted into the ground under the pushing of the electric push rod a12, and the temporary fixation of the limit cylinder 8 is completed. Specifically, the lower end of the limit pin 13 may be configured to be a pointed structure, so that the plug-in is easily and smoothly performed.

The vacant position on the limiting cylinder 6 is provided with a sound-absorbing board A26 which does not interfere with each device on the limiting cylinder 6, and the sound-absorbing board A26 is used for absorbing impact noise and reducing the influence of construction on the surrounding environment.

The lower end of the supporting frame 1 is provided with a shock pad 17 for reducing the shock of the collision to the surface layer and reducing the influence of the construction to the surrounding environment.

Preferably, the supporting frame 1 comprises two portal frames 3 arranged in parallel and symmetrically, two horizontal supporting beams 2 are symmetrically arranged on two sides of the upper ends of the two portal frames 3, the upper ends of the two portal frames 3 are respectively provided with an integrated guide rail B22 and an integrated guide rail C23, and the guide rail B22 and the guide rail C23 are provided with a common sliding frame 4 capable of moving in parallel along the guide rail B22 and the guide rail C23. Specifically, the sliding frame 4 is provided with a sliding block or a roller which is matched with the guide rail B22 and the guide rail C23, the sliding block or the roller is just limited and contained in the guide rail B22 and the guide rail C23, so that the sliding frame 4 can move along the guide rail B22 and the guide rail C23 in parallel, meanwhile, the driving device is externally arranged, the driving device can be driven by a motor, and power is transmitted to the sliding frame 4 through gear chain transmission.

Further preferably, the lower end of the portal frame 3 is provided with a shock pad 17.

Further preferably, two limiting holes 24 are symmetrically formed in two sides of a cross beam of the portal frame 3, two limiting rods 25 matched with the two limiting holes 24 are symmetrically formed in two sides of the lower end of each of the two horizontal supporting beams 2, and the two horizontal supporting beams 2 are connected and fixed to two sides of the upper end of the portal frame 3 through the two limiting rods 25 and the two limiting holes 24. Particularly, the arrangement of the limiting holes 24 and the limiting rods 25 can facilitate the transportation and storage of the support frame 1.

Example two

As shown in fig. 1, 2, 3, 4 and 5, the invention provides a piling device for precast pile construction, which comprises a supporting frame 1, a sliding frame 4 capable of moving in parallel is arranged on the supporting frame 1, a limiting cylinder 6 capable of moving along the sliding frame 4 is hung at the lower end of the sliding frame 5, an air cylinder 9 coaxially arranged with the central axis of the limiting cylinder 6 is arranged in the limiting cylinder 6, the air cylinder 9 is arranged in the limiting cylinder 6 through two symmetrically arranged guide rails a7, a pile hammer 8 coaxially arranged with the air cylinder 9 is arranged in the air cylinder 9, a pile cap 10 coaxially arranged with the pile hammer 8 is arranged below the air cylinder 9 in the limiting cylinder 6, the pile cap 10 is movably arranged between the two sets of guide rails a7 up and down, a precast pile fastening part 19 is arranged at the lower end of the pile cap 10, a precast pile clamping part is arranged at the lower part in the limiting cylinder 6, four limiting pins 13 capable of moving up and down are symmetrically and, the outer side wall of the limiting cylinder 6 is positioned above the four limiting pins 13, four electric push rods A12 which can enable the four limiting pins 13 to move up and down are correspondingly arranged on the outer side wall of the limiting cylinder 6 one by one, a sound absorption board A26 which does not interfere with each device on the limiting cylinder 6 is arranged at a vacant position on the limiting cylinder 6, and a shock absorption pad 17 is arranged at the lower end of the supporting frame 1.

Preferably, the supporting frame 1 comprises two portal frames 3 arranged in parallel and symmetrically, two horizontal supporting beams 2 are symmetrically arranged on two sides of the upper ends of the two portal frames 3, the upper ends of the two portal frames 3 are respectively provided with an integrated guide rail B22 and an integrated guide rail C23, and the guide rail B22 and the guide rail C23 are provided with a common sliding frame 4 capable of moving in parallel along the guide rail B22 and the guide rail C23.

Further preferably, two limiting holes 24 are symmetrically formed in two sides of a cross beam of the portal frame 3, two limiting rods 25 matched with the two limiting holes 24 are symmetrically formed in two sides of the lower end of each of the two horizontal supporting beams 2, and the two horizontal supporting beams 2 are connected and fixed to two sides of the upper end of the portal frame 3 through the two limiting rods 25 and the two limiting holes 24.

Preferably, the lower extreme of carriage 4 is equipped with electric block 5, and electric block 5 is gone up to hang and is equipped with spacing section of thick bamboo 6, through electric block 5, can make spacing section of thick bamboo 4 realize along carriage 4 removal the time, still can adjust the height of spacing section of thick bamboo 5 for ground, makes things convenient for the erection and the driving-in of precast pile.

Preferably, the lower part of the pile hammer 8 is sleeved with an anti-skid elastic sleeve, so that the impact vibration is reduced, and the influence of construction on the surrounding environment is further reduced.

Preferably, precast pile fastening portion 19 is equipped with the fixed orifices 20 that matches the precast pile upper end setting, and fixed orifices 20 and pile cap 10 are coaxial to be set up, and precast pile fastening portion 19 is located the symmetrical cover all around of fixed orifices 20 and is equipped with four anchorage bars 18, and the position department one-to-one that the lower extreme of pile cap 10 is located four anchorage bars 18 outer ends is equipped with four electric putter B11 that can make four anchorage bars 18 along the back-and-forth movement of cover department of establishing. Specifically, the upper end of the precast pile can be just limited and accommodated in the fixing hole 20, and then clamped to the lower end of the pile cap 10 through the four fastening rods 18, and the precast pile is driven into the ground through the striking of the pile hammer 8.

Preferably, the precast pile clamping part includes four clamping blocks 16 that encircle the setting, and four clamping blocks 16's outer end passes through four pressure spring 14 fixed connection in the inside wall lower part of a spacing section of thick bamboo 6, and four pressure springs 14 are located one side one-to-one cover of a spacing section of thick bamboo 6 and are equipped with four spacing posts 15 of fixed connection on a spacing section of thick bamboo 6 and four height of spacing post 15 and are less than the half to three-quarters setting of four pressure spring 14 height. Specifically, the four clamping blocks 16 temporarily hold the lower part of the precast pile by the action of the four compression springs 14, and the precast pile is allowed to descend downward along the clamped position by the action of the impact force.

Preferably, the upper end and the lower end of the limiting cylinder 6 are respectively detachably covered with a sound-absorbing board B27 and a sound-absorbing board C28 which are not interfered with each other by the devices on the limiting cylinder 6, so that the impact noise is absorbed, and the influence of construction on the surrounding environment is further reduced.

Compared with the first embodiment, the electric hoist 5 is adopted to realize the longitudinal or transverse movement and the up-and-down movement of the limiting cylinder 6, the electric hoist 5 is mature in technology, high in integration level and convenient to use; compared with the first embodiment, the anti-skid elastic sleeve is adopted in the first embodiment to further help to reduce the impact noise, so that the adverse effect of the piling device on the surrounding environment is further improved; compared with the first embodiment, the present embodiment specifically adopts the fixing holes 20 to fasten the fastening rods 18 and the clamping blocks 16 to fix the precast pile from the upper end and the lower end of the precast pile, so that the precast pile can be vertically driven into the ground, and the foundation can be effectively supported by the precast pile.

EXAMPLE III

Preferably, the lower end of the sliding frame 4 is provided with an electric hoist 5, and the electric hoist 5 is provided with a limiting cylinder 6 in an upward hanging manner.

Preferably, the lower part of the pile hammer 8 is sleeved on the anti-skid elastic sleeve.

Preferably, precast pile fastening portion 19 is equipped with the fixed orifices 20 that matches the precast pile upper end setting, and fixed orifices 20 and pile cap 10 are coaxial to be set up, and precast pile fastening portion 19 is located the symmetrical cover all around of fixed orifices 20 and is equipped with four anchorage bars 18, and the position department one-to-one that the lower extreme of pile cap 10 is located four anchorage bars 18 outer ends is equipped with four electric putter B11 that can make four anchorage bars 18 along the back-and-forth movement of cover department of establishing.

Preferably, the precast pile clamping part includes four clamping blocks 16 that encircle the setting, and four clamping blocks 16's outer end passes through four pressure spring 14 fixed connection in the inside wall lower part of a spacing section of thick bamboo 6, and four pressure springs 14 are located one side one-to-one cover of a spacing section of thick bamboo 6 and are equipped with four spacing posts 15 of fixed connection on a spacing section of thick bamboo 6 and four height of spacing post 15 and are less than the half to three-quarters setting of four pressure spring 14 height.

Compared with the second embodiment, the sound-absorbing board B27 and the sound-absorbing board C28 are further adopted to absorb impact noise from the upper end and the lower end of the limiting cylinder 6, so that the adverse effect of noise generated by construction on the surrounding environment can be further reduced, and the construction is guaranteed to be well and smoothly carried out.

Finally, it should be noted that the above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same, and although the present invention is described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the specific embodiments of the present invention without departing from the spirit and scope of the present invention, and all the modifications or equivalent substitutions should be covered in the claims of the present invention.

Claims

1. The utility model provides a precast pile construction is with pile device which characterized in that: the device comprises a supporting frame, wherein the supporting frame is provided with a sliding frame capable of moving in parallel, the lower end of the sliding frame is provided with a limiting cylinder capable of moving along the sliding frame in a hanging manner, the limiting cylinder is internally provided with a cylinder coaxially arranged with the central axis of the limiting cylinder, the cylinder is arranged in the limiting cylinder through two guide rails A which are symmetrically arranged, a pile hammer coaxially arranged with the cylinder is arranged in the cylinder, a pile cap coaxially arranged with the pile hammer is arranged below the cylinder in the limiting cylinder, the pile cap can be vertically movably arranged between the two guide rails A, the lower end of the pile cap is provided with a precast pile fastening part, the lower part in the limiting cylinder is provided with a precast pile clamping part, the outer side wall of the limiting cylinder is symmetrically and annularly provided with four limiting pins capable of moving up and down, the outer side wall of the limiting cylinder is arranged above the four limiting pins, four electric push rods A capable of enabling the four limiting, and the vacant position on the limiting cylinder is provided with a sound absorption plate A which does not interfere with each device on the limiting cylinder, and the lower end of the supporting frame is provided with a shock pad.

2. The piling device for precast pile construction according to claim 1, wherein: the support frame comprises two portal frames which are symmetrically arranged in parallel, two horizontal support beams are symmetrically arranged on two sides of the upper end of each portal frame, two guide rails B and C are arranged at the upper ends of the portal frames respectively, and the guide rails B and the guide rails C are provided with common sliding frames which can move in parallel along the guide rails B and the guide rails C.

3. The piling device for precast pile construction according to claim 2, wherein: the lower extreme of portal frame is equipped with the shock pad.

4. The piling device for precast pile construction according to claim 2, wherein: two limiting holes are symmetrically formed in two sides of a cross beam of the portal frame, two limiting rods matched with the two limiting holes are symmetrically arranged on two sides of the lower end of each horizontal supporting beam respectively, and the two horizontal supporting beams are connected and fixed to two upper ends of the two portal frames through the two limiting rods and the two limiting holes in an inserting mode.

5. The piling device for precast pile construction according to claim 1, wherein: the lower extreme of carriage is equipped with electric block, electric block hangs upward to be equipped with spacing section of thick bamboo.

6. The piling device for precast pile construction according to claim 1, wherein: the lower part of the pile hammer is sleeved with the anti-skidding elastic sleeve.

7. The piling device for precast pile construction according to claim 1, wherein: precast pile fastening portion is equipped with the fixed orifices that matches the precast pile upper end setting, the fixed orifices with the coaxial setting of pile cap, precast pile fastening portion is located the symmetry cover all around of fixed orifices is equipped with four anchorage bar, the lower extreme of pile cap is located the position department one-to-one of four anchorage bar outer ends is equipped with four and can makes four anchorage bar establish the electric putter B of department's back-and-forth movement along the cover.

8. The piling device for precast pile construction according to claim 1, wherein: precast pile clamping part is including encircleing four grip blocks that set up, the outer end of four grip blocks through four pressure spring fixed connection in the inside wall lower part of a spacing section of thick bamboo, four pressure springs are located one side one-to-one cover of a spacing section of thick bamboo is equipped with fixed connection in four spacing posts on the spacing section of thick bamboo just the height of four spacing posts is short in the setting of half to three quarters of four pressure spring heights.

9. The piling device for precast pile construction according to claim 1, wherein: the upper end and the lower end of the limiting cylinder are respectively detachably covered with a sound-absorbing board B and a sound-absorbing board C which do not interfere with the devices on the limiting cylinder.