CN214738052U

CN214738052U - Static pile press

Info

Publication number: CN214738052U
Application number: CN202120795007.2U
Authority: CN
Inventors: 张骁; 张嘉勉; 邓桂贵
Original assignee: China Metallurgical Group Northwest Geotechnical Engineering Co ltd
Current assignee: China Metallurgical Group Northwest Geotechnical Engineering Co ltd
Priority date: 2021-04-17
Filing date: 2021-04-17
Publication date: 2021-11-16
Anticipated expiration: 2031-04-17

Abstract

The application relates to a static pile press, and relates to the field of pile foundation construction equipment. It includes support, clamp plate and first pneumatic cylinder, clamp plate and support sliding connection, first pneumatic cylinder perpendicular to clamp plate, the casing and the support fixed connection of first pneumatic cylinder, the piston rod and the clamp plate fixed connection of first pneumatic cylinder, the stake hole that is used for supplying the precast pile to pass is offered to the clamp plate, stake hole perpendicular to clamp plate, stake hole department is provided with the second pneumatic cylinder that is used for supporting tight precast pile, the second pneumatic cylinder is provided with two at least, two the piston rod of second pneumatic cylinder sets up in opposite directions, the casing and the clamp plate fixed connection of second pneumatic cylinder. This application has the limited possibility to precast pile length of reduction installation precast pile in-process, and the effect of conveniently installing longer precast pile.

Description

Static pile press

Technical Field

The application relates to the field of pile foundation construction equipment, in particular to a static pile press.

Background

The pile pressing method of pressing the precast pile into the soil section by the self weight of the pile pressing machine is called static pile pressing. The static pile is quiet in the process of pressing the precast pile, has no noise, vibration and pollution during construction, and is widely applied to urban construction.

In the related art, chinese utility model patent with publication number CN211773647U discloses a static pile press, which includes a base, a pressing plate disposed above the base, a pile pressing device for driving the pressing plate to press down, and a positioning device for keeping the pile body vertical; the positioning device comprises a positioning turntable fixed at the bottom of the base and a rotating motor used for driving the positioning turntable to rotate, and an output shaft of the rotating motor is fixedly connected with the axis of the positioning turntable; the middle part of the base is provided with a pile pressing hole for a pile body to pass through, the positioning turntable is uniformly provided with a plurality of positioning holes with different sizes, and the central axis of each positioning hole can be sequentially superposed with the central axis of the pile pressing hole along with the rotation of the positioning turntable; the pile pressing device comprises two threaded pipes vertically fixed on the base, two threaded rods matched with the threaded pipes and a pile pressing motor for driving the threaded rods to rotate; the threaded pipes are symmetrically fixed on two sides of the pile pressing hole; the threaded rods are fixed on the pressing plate through bearings respectively, the bottom ends of the threaded rods are inserted into the threaded pipes respectively and are in threaded connection with the threaded pipes, and the top ends of the threaded rods penetrate through the pressing plate and are connected with an output shaft of the pile pressing motor.

To the correlation technique among the above-mentioned, the inventor thinks that the precast pile is in the suppression in-process, and the clamp plate needs to install the precast pile with the precast pile laminating, and when the length of precast pile is longer, the clamp plate is difficult to laminate with the tip of precast pile, and the installation is longer precast pile degree of difficulty is great.

SUMMERY OF THE UTILITY MODEL

In order to install longer precast pile conveniently, the application provides a static pile press machine.

The application provides a static pile driver adopts following technical scheme:

the utility model provides a static pile driver, includes support, clamp plate and first pneumatic cylinder, clamp plate and support sliding connection, first pneumatic cylinder perpendicular to clamp plate, the casing and the support fixed connection of first pneumatic cylinder, the piston rod and the clamp plate fixed connection of first pneumatic cylinder, the stake hole that is used for supplying the precast pile to pass is offered to the clamp plate, stake hole perpendicular to clamp plate, stake hole department is provided with the second pneumatic cylinder that is used for supporting tight precast pile, the second pneumatic cylinder is provided with two at least, two the piston rod of second pneumatic cylinder sets up in opposite directions, the casing and the clamp plate fixed connection of second pneumatic cylinder.

Through adopting above-mentioned technical scheme, place the support subaerial earlier, the precast pile passes through the vertical stake hole that passes of lifting device, the motion of second pneumatic cylinder piston rod, the piston rod of second pneumatic cylinder supports the precast pile tightly, first pneumatic cylinder piston rod stretches out, the clamp plate moves to ground one side, the clamp plate drives the precast pile and stretches into ground, the piston rod and the precast pile separation of second pneumatic cylinder, the piston rod shrink of first pneumatic cylinder, the clamp plate is lifted, the piston rod of second pneumatic cylinder is repeatedly stretched out, stretch out the piston rod of first pneumatic cylinder, the precast pile stretches into ground gradually, can reduce the installation precast pile in-process to the limited possibility of precast pile length, the convenience is installed longer precast pile.

Optionally, a guide rod is arranged between the support and the pressing plate, the guide rod is parallel to the first hydraulic cylinder, the guide rod is fixedly connected with the support, a guide hole is formed in the pressing plate, the guide rod extends into the guide hole, and the guide rod is connected with the pressing plate in a sliding mode.

Through adopting above-mentioned technical scheme, can reduce the clamp plate and take place skew possibility when sliding through setting up the guide bar, make things convenient for first pneumatic cylinder to promote the clamp plate and move to ground, reduce the piston rod of first pneumatic cylinder and take place gliding possibility.

Optionally, a support rod is arranged at the bottom of the guide rod, the support rod is perpendicular to the guide rod, and the support rod is fixedly connected with the guide rod.

Through adopting above-mentioned technical scheme, when first pneumatic cylinder need overhaul, extend the piston rod of first pneumatic cylinder earlier, clamp plate and die-pin laminating, the weight of clamp plate passes through the guide bar transmission to the support, and the convenience is overhauld first pneumatic cylinder, improves the convenience of precast pile installation.

Optionally, a piston rod of the second hydraulic cylinder is provided with a wear pad, and the wear pad is detachably connected with the piston rod of the second hydraulic cylinder.

Through adopting above-mentioned technical scheme, through setting up the wear pad, the possibility of wearing and tearing takes place when reducing second hydraulic cylinder piston rod and the precast pile laminating, when the wear pad takes place wearing and tearing, changes the wear pad of second hydraulic cylinder piston rod department, improves the live time of second hydraulic cylinder, makes things convenient for second hydraulic cylinder and precast pile to support tightly.

Optionally, one side of the wear pad, which is far away from the second hydraulic cylinder, is provided with a plurality of elastic strips, a plurality of the elastic strips are arranged at intervals along the moving direction of the pressing plate, and the elastic strips are fixedly connected with the wear pad.

Through adopting above-mentioned technical scheme, set up the roughness that a plurality of elastic strips can increase the abrasion pad side, increase the frictional force between abrasion pad and the precast pile, take place gliding possibility when reducing the precast pile installation, improve the convenience of precast pile installation.

Optionally, the pressing plate is fixedly connected with a counterweight frame used for placing the counterweight block, the counterweight frame is provided with a plurality of counterweight frames, and the counterweight frames are symmetrically arranged by taking the axis of the pile hole as the center.

Through adopting above-mentioned technical scheme, place the counterweight piece in the counterweight housing, conveniently increase the load of clamp plate, improve the clamp plate and drive the precast pile and install subaerial, improve the speed of precast pile installation.

Optionally, the support includes crossbeam and stand, stand perpendicular to crossbeam, stand and crossbeam fixed connection, the crossbeam is located the top of stand, the casing and the crossbeam fixed connection of first pneumatic cylinder, the bottom of stand is provided with the adjusting part that is used for the vertical installation of precast pile.

Through adopting above-mentioned technical scheme, through setting up adjusting part, conveniently place the clamp plate level, reduce the precast pile installation and take place the possibility of slope, make things convenient for the precast pile vertical installation subaerial.

Optionally, the adjusting assembly comprises a third hydraulic cylinder and a bearing plate, the third hydraulic cylinder is parallel to the upright column, a piston rod of the third hydraulic cylinder is fixedly connected with the upright column, the bearing plate is located at one end, far away from the upright column, of the third hydraulic cylinder, and a shell of the third hydraulic cylinder is hinged to the bearing plate in a ball joint mode.

Through adopting above-mentioned technical scheme, through setting up the third pneumatic cylinder, the convenient length that changes the stand of third pneumatic cylinder reduces the stand and places the subaerial possibility that takes place the slope at unevenness, makes things convenient for the vertical installation of precast pile subaerial, reduces the possibility that the precast pile takes place the slope.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the second hydraulic cylinder is arranged on the pressing plate, a piston rod of the second hydraulic cylinder is attached to the side wall of the precast pile, the first hydraulic cylinder pushes the pressing plate to move, the pressing plate drives the precast pile to stretch into the ground, the first hydraulic cylinder and the second hydraulic cylinder are repeatedly stretched, and the precast pile is installed on the ground, so that a longer precast pile is conveniently installed;

2. the guide rod is arranged on the support, so that the pressing plate can conveniently slide to the ground along the guide rod, the possibility of bending of a piston rod of the first hydraulic cylinder is reduced, and the pressing plate can conveniently push the precast pile to be installed on the ground;

3. the stand bottom sets up the third pneumatic cylinder, makes things convenient for the stand to place subaerial at unevenness, makes things convenient for the vertical installation of precast pile subaerial, reduces the possibility that the precast pile takes place to incline.

Drawings

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

Fig. 2 is a perspective cross-sectional view of a static pile driver according to an embodiment of the present application.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Description of reference numerals: 1. a support; 11. a cross beam; 12. a column; 2. pressing a plate; 21. pile holes; 22. a guide hole; 3. a first hydraulic cylinder; 4. a second hydraulic cylinder; 5. a guide bar; 6. a support rod; 7. a wear pad; 8. an elastic strip; 9. a counterweight frame; 10. an adjustment assembly; 101. a third hydraulic cylinder; 102. a carrier plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a static pile press. Referring to fig. 1, the static pile press comprises a support 1, a pressing plate 2 and a first hydraulic cylinder 3, wherein the support 1 is a rectangular frame, the support 1 comprises four beams 11 and four columns 12, the beams 11 are horizontally arranged, and the beams 11 are enclosed into a rectangular shape; the upright columns 12 are located at the bottom of the cross beam 11, the upright columns 12 are vertically arranged, the upright columns 12 and the cross beam 11 are welded and fixed, the pressing plate 2 is located in an area surrounded by the four upright columns 12, the pressing plate 2 is connected with the upright columns 12 in a sliding mode, the first hydraulic cylinders 3 are perpendicular to the pressing plate 2, the first hydraulic cylinders 3 are two, the two first hydraulic cylinders 3 are symmetrically arranged at the top of the pressing plate 2, a shell of each first hydraulic cylinder 3 is fixedly connected with the cross beam 11 through a bolt, a piston rod of each first hydraulic cylinder 3 faces one side of the pressing plate 2, and a piston rod of each first hydraulic cylinder 3 is fixedly connected with the pressing plate 2 through a bolt; the stake hole 21 that is used for supplying the precast pile to pass is offered at clamp plate 2 center, stake hole 21 is cylindrical, stake hole 21 perpendicular to clamp plate 2, stake hole 21 department is provided with the second pneumatic cylinder 4 that is used for supporting tight precast pile, second pneumatic cylinder 4 can set up to two, also can be three, in this embodiment, second pneumatic cylinder 4 is provided with threely, the equal level of three second pneumatic cylinder 4 sets up, the piston rod of three second pneumatic cylinder 4 sets up in opposite directions, the piston rod of two second pneumatic cylinders 4 all is towards the center of stake hole 21, the casing of second pneumatic cylinder 4 and clamp plate 2 pass through bolt fixed connection.

When the installation precast pile, place stand 12 subaerial earlier, the precast pile passes through the vertical stake hole 21 that passes of lifting device, the piston rod of second pneumatic cylinder 4 moves towards the precast beam, the piston rod of second pneumatic cylinder 4 supports the precast pile tightly, 3 piston rods of first pneumatic cylinder stretch out, clamp plate 2 moves to ground one side, clamp plate 2 drives the precast pile and stretches into the ground end, the piston rod and the precast pile separation of second pneumatic cylinder 4, the piston rod shrink of first pneumatic cylinder 3, clamp plate 2 is lifted up, the piston rod of second pneumatic cylinder 4 is stretched out repeatedly, stretch out the piston rod of first pneumatic cylinder 3, the precast pile gets into the earth's surface gradually, the installation of precast beam is accomplished. Support the lateral wall of tight precast pile through second pneumatic cylinder 4, can reduce the installation precast pile in-process and have the limited possibility to precast pile length, conveniently install longer precast pile.

Referring to fig. 1 and 2, in order to conveniently overhaul the piston rod of the first hydraulic cylinder 3, a supporting rod 6 is arranged between the columns 12, the supporting rod 6 is parallel to the cross rod, the supporting rod 6 is located at the bottom of the pressing plate 2, the end portion of the supporting rod 6 and the columns 12 are welded and fixed, the top surface of the supporting rod 6 can be attached to the bottom surface of the pressing plate 2, a guide rod 5 is arranged between the supporting rod 6 and the cross beam 11, the guide rod 5 is vertically arranged, the guide rod 5 is provided with four guide rods 5, the four guide rods 5 are distributed at the two first hydraulic cylinders 3, the top of each guide rod 5 is welded and fixed with the cross beam 11, the bottom of each guide rod 5 and the corresponding supporting rod 6 are welded and fixed, guide holes 22 are formed in the pressing plate 2, four guide holes 22 are formed in the guide holes 22, the guide holes 22 correspond to the guide rods 5 one to one, the guide rods 5 penetrate through the guide holes 22, and the guide rods 5 are connected with the pressing plate 2 in a sliding mode. Overhaul first pneumatic cylinder 3, extend the piston rod of first pneumatic cylinder 3 earlier, clamp plate 2 slides along guide bar 5, clamp plate 2 and the laminating of die-pin 6, clamp plate 2 is placed on die-pin 6, the bolt that first pneumatic cylinder 3 of unblock and clamp plate 2 are connected, overhaul the completion back, screw up the piston rod of first pneumatic cylinder 3 and the connecting bolt of clamp plate 2, conveniently overhaul first pneumatic cylinder 3 under idle state, improve the reliability and the security of precast pile installation.

Referring to fig. 2, for convenience of installing the precast pile on uneven ground, the bottom of the upright post 12 is provided with an adjusting assembly 10, the adjusting assembly 10 comprises a third hydraulic cylinder 101 and a bearing plate 102, the number of the third hydraulic cylinder 101 is the same as that of the upright post 12, the third hydraulic cylinder 101 is vertically arranged, the third hydraulic cylinder 101 is located at the bottom of the upright post 12, a piston rod of the third hydraulic cylinder 101 is fixedly connected with the upright post 12 through a bolt, the bearing plate 102 is rectangular, the bearing plate 102 is provided with four, the bearing plate 102 corresponds to the third hydraulic cylinder 101 one to one, and a shell of the third hydraulic cylinder 101 is hinged to the top surface of the bearing plate 102 in a spherical mode. The bearing plate 102 is placed on the ground, the pressing plate 2 is convenient to keep parallel to the horizontal plane by changing the extension length of the piston rod of the third hydraulic cylinder 101, the possibility that the installation direction of the precast pile is perpendicular to the horizontal plane is improved, and the precast pile is convenient to vertically extend into the ground.

As shown in fig. 2 and 3, in order to improve the efficiency of the precast pile extending into the ground, a counterweight frame 9 for placing a counterweight is welded and fixed on the top of the pressing plate 2, the counterweight frame 9 is rectangular, a counterweight slot is formed in the top of the counterweight frame 9, the section of the counterweight slot is rectangular, the number of the counterweight frames 9 is two, three or four, in this embodiment, two counterweight frames 9 are provided, and the two counterweight frames 9 are symmetrically arranged with the axis of the pile hole 21 as the center; piston rod department of second pneumatic cylinder 4 can dismantle through the bolt and be connected with wear pad 7, and wear pad 7's material is withstand voltage rubber, and wear pad 7 keeps away from one side integrated into one piece of second pneumatic cylinder 4 has three elastic strip 8, and elastic strip 8 material is rubber, and 8 cross-sections of elastic strip are semi-circular, and elastic strip 8 is on a parallel with clamp plate 2, and three elastic strip 8 sets up along clamp plate 2's direction of motion interval. Evenly place the balancing weight in counter weight frame 9, the piston rod of second pneumatic cylinder 4 supports tightly with the precast pile through wear pad 7 and elastic strip 8, and when clamp plate 2 drove the motion of second pneumatic cylinder 4, the precast pile got into the ground end under the combined action of balancing weight and first pneumatic cylinder 3. The possibility of sliding of the precast pile is reduced, and the efficiency of the precast pile entering the ground bottom is improved.

The implementation principle of the static pile press in the embodiment of the application is as follows: the frame is placed subaerial, adjust third pneumatic cylinder 101's extension length, clamp plate 2 is parallel with the horizontal plane, place the balancing weight on counter weight frame 9, hoisting equipment mentions the precast pile, the precast pile is vertical to be passed stake hole 21, second pneumatic cylinder 4 promotes wearing pad 7 and elastic strip 8 and supports the precast pile tightly, the piston rod extension of first pneumatic cylinder 3, clamp plate 2 slides to ground along guide bar 5, the tip of precast pile gets into ground, the piston rod of second pneumatic cylinder 4 is withdrawed, the piston rod of first pneumatic cylinder 3 drives clamp plate 2 and rises, the piston rod of second pneumatic cylinder 4 supports tightly with the precast pile, first pneumatic cylinder stretches out, the precast pile descends once more, repeat the motion of second pneumatic cylinder 4 and first pneumatic cylinder 3, the precast pile is installed and is got into ground. This application can reduce the installation precast pile in-process to the limited possibility of precast pile length, conveniently installs longer precast pile.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A static pile press is characterized in that: including support (1), clamp plate (2) and first pneumatic cylinder (3), clamp plate (2) and support (1) sliding connection, first pneumatic cylinder (3) perpendicular to clamp plate (2), casing and support (1) fixed connection of first pneumatic cylinder (3), the piston rod and clamp plate (2) fixed connection of first pneumatic cylinder (3), pile hole (21) that are used for supplying the precast pile to pass are seted up in clamp plate (2), pile hole (21) perpendicular to clamp plate (2), pile hole (21) department is provided with second pneumatic cylinder (4) that are used for supporting tight precast pile, second pneumatic cylinder (4) are provided with two at least, two the piston rod of second pneumatic cylinder (4) sets up in opposite directions, the casing and clamp plate (2) fixed connection of second pneumatic cylinder (4).

2. The static pile driver according to claim 1, characterized in that: be provided with guide bar (5) between support (1) and clamp plate (2), guide bar (5) and first pneumatic cylinder (3) are parallel, guide bar (5) and support (1) fixed connection, guiding hole (22) have been seted up on clamp plate (2), guiding hole (22) are stretched into in guide bar (5), guide bar (5) and clamp plate (2) sliding connection.

3. A static pile driver according to claim 2, characterised in that: the bottom of the guide rod (5) is provided with a support rod (6), the support rod (6) is perpendicular to the guide rod (5), and the support rod (6) is fixedly connected with the guide rod (5).

4. The static pile driver according to claim 1, characterized in that: the piston rod department of second pneumatic cylinder (4) is provided with wear pad (7), the piston rod of wear pad (7) and second pneumatic cylinder (4) can be dismantled and be connected.

5. The static pile driver according to claim 4, wherein: one side of the wear-resistant pad (7) far away from the second hydraulic cylinder (4) is provided with a plurality of elastic strips (8), a plurality of the elastic strips (8) are arranged at intervals along the moving direction of the pressing plate (2), and the elastic strips (8) are fixedly connected with the wear-resistant pad (7).

6. The static pile driver according to claim 1, characterized in that: the pressing plate (2) is fixedly connected with a counterweight frame (9) used for placing the counterweight blocks, the counterweight frame (9) is provided with a plurality of counterweight frames, and the counterweight frame (9) is arranged symmetrically by taking the axis of the pile hole (21) as the center.

7. The static pile driver according to claim 1, characterized in that: support (1) includes crossbeam (11) and stand (12), stand (12) perpendicular to crossbeam (11), stand (12) and crossbeam (11) fixed connection, crossbeam (11) are located the top of stand (12), the casing and crossbeam (11) fixed connection of first pneumatic cylinder (3), the bottom of stand (12) is provided with adjusting part (10) that are used for the vertical installation of precast pile.

8. The static pile driver as claimed in claim 7, wherein: the adjusting assembly (10) comprises a third hydraulic cylinder (101) and a bearing plate (102), the third hydraulic cylinder (101) is parallel to the upright column (12), a piston rod of the third hydraulic cylinder (101) is fixedly connected with the upright column (12), the bearing plate (102) is located at one end, far away from the upright column (12), of the third hydraulic cylinder (101), and a shell of the third hydraulic cylinder (101) is in ball joint with the bearing plate (102).