CN212001093U

CN212001093U - Static pressure pile construction device

Info

Publication number: CN212001093U
Application number: CN202020126504.9U
Authority: CN
Inventors: 王利达; 王亚茹
Original assignee: Anhui Zhongdi Foundation Engineering Co ltd
Current assignee: Anhui Zhongdi Foundation Engineering Co ltd
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-11-24
Anticipated expiration: 2030-01-19

Abstract

The utility model relates to a static pressure pile construction device, which relates to the technical field of pile foundation construction and comprises a pile pressing frame body fixed on the ground, wherein the pile pressing frame body comprises a first upright post, a second upright post and a cross beam, a counter-force beam is connected between the first upright post and the second upright post in a sliding way, a jack positioned above the pile foundation is fixedly connected on the counter-force beam, a first cavity is respectively arranged on the first upright post and the second upright post, a moving mechanism is respectively arranged in each first cavity, the moving mechanism comprises a lead screw which is rotationally connected in the first cavity, the sliding block is in threaded connection with the screw rod, the connecting block is fixedly connected with the sliding block, the mounting plate is fixedly connected onto the connecting block and fixedly connected with the counter-force beam, the first upright post and the second upright post are provided with strip holes, the top of the first upright post is fixedly connected with a motor fixedly connected with the screw rod, the cross beam is provided with a second cavity communicated with the first cavity, and a driving assembly used for driving the screw rod in the second upright post to rotate is arranged in the second cavity. The utility model discloses have the effect that can conveniently adjust the counter-force roof beam height.

Description

Static pressure pile construction device

Technical Field

The utility model belongs to the technical field of the technique of pile foundation construction and specifically relates to a static pressure pile construction equipment is related to.

Background

The static pressure pile is a method for constructing engineering pile foundation, and the static pressure pile construction is a pile sinking process for pressing prefabricated pile into the soil by using pile pressing mechanism of static pile press to provide counter force by means of self weight of pile press and counter weight on machine frame. The static pressure pile completely avoids vibration, noise and pollution generated by hammering and piling, so that the static pressure pile has the advantages of no damage to the pile, no noise, no vibration, no impact force, no pollution and the like during construction.

The prior Chinese patent with publication number CN207812523U discloses a construction device for a stock static pressure pile, which comprises a pile body, a pile pressing frame main body, a jack and a counter-force beam; the pile pressing frame main body comprises a pile pressing frame cross beam and pile pressing frame vertical columns which are arranged at two ends of the pile pressing frame cross beam and used for supporting the pile pressing frame cross beam, a base is arranged at the bottom of each pile pressing frame vertical column, the base is fixed on a foundation bottom plate through an anchor rod, and the pile pressing frame vertical columns are sequentially provided with a plurality of pin holes from top to bottom; the counter-force beam is suspended on the pile pressing frame cross beam through an electric hoist, and two sides of the counter-force beam are both installed on the pile pressing frame upright post through bolts; the pile body is connected with the counter-force beam through the jack.

The above prior art solutions have the following drawbacks: when the height of the counterforce beam needs to be adjusted, a worker needs to manually take down the bolt on the pin hole; then moving the counter-force beam to a proper height and fixing by using a bolt; the operation process is more complicated and the efficiency is lower.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a static pressure pile construction equipment, it has the effect that can conveniently adjust the counter-force roof beam height.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a static pressure pile construction device comprises a pile pressing frame body fixed on the ground, wherein the pile pressing frame body comprises a first upright post arranged perpendicular to the ground, a second upright post arranged opposite to the first upright post and perpendicular to the ground, and a cross beam fixedly connected with the first upright post and the second upright post together, a counter-force beam is connected between the first upright post and the second upright post in a sliding manner, a jack positioned above a pile foundation is fixedly connected onto the counter-force beam, a first cavity is formed in each of the first upright post and the second upright post, a moving mechanism used for driving the counter-force beam to move is arranged in each of the first cavities, the moving mechanism comprises a screw rod rotatably connected into the first cavity, a sliding block in threaded connection with the screw rod, a connecting block fixedly connected with the sliding block, and a mounting plate fixed on the connecting block and fixedly connected with the counter-force beam, and a strip hole for the sliding of the connecting block is formed in each of the, the top of the first upright post is fixedly connected with a motor fixedly connected with a screw rod, a second cavity communicated with the first cavity is formed in the cross beam, and a driving assembly used for driving the screw rod in the second upright post to rotate is arranged in the second cavity.

By adopting the technical scheme, when the height of the counter-force beam needs to be adjusted, the motor is started to enable the screw rod in the first upright post to rotate, and the screw rod in the second upright post can rotate by utilizing the driving assembly, so that the sliding block slides along the screw rod under the limitation of the connecting block and the strip hole, and the counter-force beam moves along with the sliding block; therefore, the height of the counterforce beam can be conveniently adjusted, and the construction is more convenient.

The present invention may be further configured in a preferred embodiment as: the driving assembly ensures that the rotating rod connected in the cavity II, the first bevel gears fixed at two end parts of the rotating rod and the second bevel gears fixed at the tops of the two screw rods and respectively meshed with the first bevel gears.

By adopting the technical scheme, the driving assembly is set to be a combination of the rotating rod, the first bevel gear and the second bevel gear, and when the screw rod in the first upright post rotates, the rotating rod can rotate due to the meshing of the first bevel gear and the second bevel gear; a bevel gear II at the end part of the screw rod in the upright post II rotates along with the rotating rod, so that the two screw rods synchronously rotate, and the normal adjustment of the height position of the counter-force beam is ensured; meanwhile, the two screw rods are driven by only one motor, so that the device is more green and energy-saving.

The present invention may be further configured in a preferred embodiment as: and the cross beam is provided with a limiting assembly used for limiting the screw rod in the first upright post to rotate.

Through adopting above-mentioned technical scheme, the back is accomplished in the adjustment of reaction roof beam height, utilizes spacing subassembly can restrict the rotation of the lead screw in the stand one to this lead screw that can restrict the stand two thereupon rotates, has reduced the lead screw rotation and has probably brought the problem that reaction roof beam position changed, has guaranteed reaction roof beam's stability.

The present invention may be further configured in a preferred embodiment as: the limiting assembly comprises a sawtooth disc fixed on the screw rod, a cylinder fixed on the cross beam and a limiting block fixed on the end part of the piston rod of the cylinder and capable of being clamped with the tooth groove of the sawtooth disc.

Through adopting above-mentioned technical scheme, when needing the rotation of the lead screw in the restriction stand one, utilize the cylinder to promote the stopper and remove to sawtooth dish place direction, establish in the tooth's socket of sawtooth dish until the stopper card to the rotation of sawtooth dish has been restricted, with this rotation of restricting the lead screw with sawtooth dish fixed connection.

The present invention may be further configured in a preferred embodiment as: the mounting panel is kept away from equal fixedly connected with gib block on the side of counter-force roof beam, stand one reaches all set up the guide way with gib block looks adaptation on the stand two.

Through adopting above-mentioned technical scheme, when the slider removed along the lead screw, the mounting panel also removed thereupon, and the gib block on the mounting panel can slide along deriving the groove to this makes the removal of mounting panel more steady, thereby the counter-force roof beam can remove more steadily.

The present invention may be further configured in a preferred embodiment as: and positioning devices are arranged at the bottoms of the opposite side surfaces of the first upright post and the second upright post.

Through adopting above-mentioned technical scheme, be equipped with the position that positioner can restrict the pile foundation, make the pile foundation be in vertical state, guarantee the quality of pile foundation construction.

The present invention may be further configured in a preferred embodiment as: the positioning device comprises a fixed rod fixed on the first upright post or the second upright post, a movable sleeve sleeved on the fixed rod in a sliding manner, an arc-shaped plate fixed on the end part of the movable sleeve and a fixed pin which is in threaded connection with the movable sleeve and is abutted against the fixed rod.

By adopting the technical scheme, the fixing pin is unscrewed, and the position of the movable sleeve is adjusted according to the diameter of the pile foundation, so that the arc-shaped plate is just attached to the peripheral side of the pile foundation; after the adjustment is finished, the fixing pin is connected to the movable sleeve in a threaded mode and is abutted against the fixing rod; and similarly, adjusting the two groups of positioning devices to fix the pile foundation.

The present invention may be further configured in a preferred embodiment as: the fixed rod is provided with scale marks which are arranged along the length direction of the fixed rod in the measuring direction.

By adopting the technical scheme, the movable sleeves on the two groups of positioning devices can be conveniently and visually adjusted through the scale marks, so that the distance between the two movable sleeves and the pile foundation is basically consistent, and the positioning effect of the positioning devices is better.

To sum up, the utility model discloses a following at least one useful technological effect:

when the height of the counter-force beam needs to be adjusted, the motor is started to enable the screw rod in the first upright post to rotate, and the screw rod in the second upright post can be rotated by the driving assembly, so that the sliding block slides along the screw rod under the limitation of the connecting block and the bar holes, and the counter-force beam moves along with the sliding block; therefore, the height of the counterforce beam can be conveniently adjusted, and the construction is more convenient;

after the height of the counter-force beam is adjusted, the limiting assembly can limit the rotation of the screw rod in the first upright post, so that the rotation of the screw rod in the second upright post can be limited, the problem that the position of the counter-force beam is changed due to the autorotation of the screw rod is reduced, and the stability of the counter-force beam is ensured;

be equipped with the position that positioner can restrict the pile foundation, make the pile foundation be in vertical state, guarantee the quality of pile foundation construction.

Drawings

Fig. 1 is a schematic structural diagram of the embodiment.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

FIG. 3 is a schematic structural diagram of a salient driving component in the embodiment.

Reference numerals: 1. a pile pressing frame body; 11. a first upright post; 111. a first cavity; 112. a guide groove; 12. a second upright post; 13. a cross beam; 131. a second cavity; 14. a motor; 2. a counter-force beam; 21. a jack; 22. a pile foundation; 3. a moving mechanism; 31. a screw rod; 32. a slider; 33. connecting blocks; 34. mounting a plate; 341. a guide strip; 4. a drive assembly; 41. rotating the rod; 42. a first bevel gear; 43. a second bevel gear; 5. a limiting component; 51. a saw tooth disc; 52. a cylinder; 53. a limiting block; 6. a positioning device; 61. fixing the rod; 611. scale lines; 62. a movable sleeve; 63. an arc-shaped plate; 64. and fixing the pin.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a static pressure pile construction equipment, including pile pressing frame body 1, pile pressing frame body 1 is fixed subaerial, and pile pressing frame body 1 includes stand one 11, two 12 of stands and crossbeam 13. The first upright post 11 and the second upright post 12 are arranged perpendicular to the ground, the cross beam 13 is fixed on the tops of the first upright post 11 and the second upright post 12, and the first upright post 11 and the second upright post 12 are symmetrically distributed along the central axis of the cross beam 13. The first upright post 11 and the second upright post 12 are connected with a reaction beam 2 in a sliding mode, the reaction beam 2 is of a cuboid structure, and the length direction of the reaction beam 2 is consistent with that of the cross beam 13. The lower surface of the reaction beam 2 is fixedly connected with a jack 21, and the jack 21 is positioned above the pile foundation 22. The first upright post 11 and the second upright post 12 are both provided with a first cavity 111, the second cross beam 13 is provided with a second cavity 131, and the first cavity 111 is communicated with the second cavity 131.

Referring to fig. 1 and 2, a moving mechanism 3 is disposed in each cavity one 111, the moving mechanism 3 can be used for adjusting the position of the reaction beam 2, and the moving mechanism 3 includes a screw rod 31, a slider 32, a connecting block 33, and a mounting plate 34. The screw rod 31 is vertically arranged, and the screw rod 31 is rotatably connected in the first cavity 111. The slide block 32 is in a square shape, and the slide block 32 is in threaded connection with the screw rod 31. The opposite side surfaces of the first upright post 11 and the second upright post 12 are respectively provided with a strip hole (not shown), the length direction of the strip hole is consistent with that of the first upright post 11, and the strip hole is communicated with the first cavity 111. The connecting block 33 is fixed on the sliding block 32, and the connecting block 33 is positioned in the strip hole. The mounting plates 34 are rectangular plate-shaped structures, the mounting plates 34 are fixed on the side surfaces of the connecting blocks 33 far away from the slide blocks 32, and the two mounting plates 34 are respectively fixedly connected with two end parts of the reaction beam 2. The side face, close to the connecting block 33, of the mounting plate 34 is fixedly connected with the guide strip 341, the cross section of the guide strip 341 is in an isosceles trapezoid shape, and the length direction of the guide strip 341 is consistent with the length direction of the first upright post 11. The first upright post 11 and the second upright post 12 are both provided with guide grooves 112, the guide grooves 112 on the first upright post 11 are matched with the guide strips 341 on the mounting plate 34 on the first upright post 11, and the guide grooves 112 on the second upright post 12 are matched with the guide strips 341 on the mounting plate 34 on the second upright post 12.

Referring to fig. 1 and 3, a motor 14 is fixedly connected to the first upright post 11, and an output shaft of the motor 14 is fixedly connected to a screw rod 31 in the first upright post 11. The second cavity 131 is provided with a driving assembly 4, and the driving assembly 4 includes a rotating rod 41, a first bevel gear 42 and a second bevel gear 43. The rotating rod 41 is rotatably connected in the second cavity 131, and the length direction of the rotating rod 41 is consistent with the length direction of the cross beam 13. The first bevel gears 42 are coaxial with the rotating rod 41, the number of the first bevel gears 42 is two, and the two first bevel gears 42 are respectively fixed on two end parts of the rotating rod 41. The number of the bevel gears II 43 is two, the two bevel gears II 43 are coaxial with the two screw rods 31 respectively, the two bevel gears II 43 are fixed on the two screw rods 31 respectively, and the two bevel gears II 43 are meshed with the two bevel gears I42 respectively. When the height of the reaction beam 2 needs to be adjusted, the motor 14 is started to enable the screw rod 31 in the first upright post 11 to rotate; when the screw rod 31 in the first upright post 11 rotates, the rotating rod 41 can rotate due to the meshing of the first bevel gear 42 and the second bevel gear 43; a bevel gear II 43 at the end part of the screw rod 31 in the upright post II 12 rotates along with the rotating rod 41, so that the two screw rods 31 synchronously rotate, and the slide block 32 slides along the screw rod 31 under the limitation of the connecting block 33 and the strip hole, so that the reaction beam 2 moves along with the slide block; the height of the counter-force beam 2 can be conveniently adjusted, so that the construction is more convenient.

Be equipped with spacing subassembly 5 on crossbeam 13, spacing subassembly 5 includes sawtooth dish 51, cylinder 52 and stopper 53. The sawtooth disc 51 is coaxial with the screw rod 31 on the first upright post 11, and the sawtooth disc 51 is fixed on the screw rod 31. The air cylinder 52 is fixed on the upper surface of the cross beam 13, and the end of the piston rod of the air cylinder 52 is arranged towards the first upright post 11. The stopper 53 is fixed to the end of the piston rod of the cylinder 52, the cylinder 52 can push the stopper 53 to move toward the saw-toothed disc 51, and the stopper 53 can be engaged with the tooth grooves of the saw-toothed disc 51. After the height adjustment of the reaction beam 2 is completed, when the rotation of the screw rod 31 in the first upright post 11 needs to be limited, the air cylinder 52 is used for pushing the limiting block 53 to move towards the direction of the sawtooth disc 51 until the limiting block 53 is clamped in the tooth groove of the sawtooth disc 51, so that the rotation of the sawtooth disc 51 is limited, the rotation of the screw rod 31 fixedly connected with the sawtooth disc 51 is limited, the problem that the position of the reaction beam 2 is changed due to the rotation of the screw rod 31 is reduced, and the stability of the reaction beam 2 is ensured.

Referring to fig. 1, the positioning devices 6 are disposed at the bottom of the opposite sides of the first upright post 11 and the second upright post 12, and each set of positioning devices 6 includes a fixed rod 61, a movable sleeve 62, an arc-shaped plate 63 and a fixed pin 64. The fixing rods 61 are round rod-shaped structures, the fixing rods 61 on the two groups of positioning devices 6 are respectively fixed on the first vertical column 11 and the second vertical column 12, and the length direction of the fixing rods 61 is consistent with the length direction of the cross beam 13. The fixing rod 61 is provided with scale lines 611, and the measuring direction of the scale lines 611 is consistent with the length direction of the fixing rod 61. The movable sleeve 62 is of a circular tubular structure, the inner diameter of the movable sleeve 62 is slightly larger than the diameter of the fixed rod 61, the length direction of the movable sleeve 62 is consistent with the length direction of the fixed rod 61, and the movable sleeve 62 is arranged on the fixed rod 61 in a sliding mode. The arc plate 63 is fixed on the end part of the movable sleeve 62 far away from the fixed rod 61, and the arc surface with smaller area of the arc plate 63 is attached to the pile foundation 22. The fixing pin 64 is screwed on the movable sleeve 62, and the end of the fixing pin 64 is tightly pressed against the fixing rod 61. The fixing pin 64 is unscrewed, the position of the movable sleeve 62 is adjusted according to the diameter of the pile foundation 22, and the position of the movable sleeve 62 is judged through the scale mark 611 in the adjusting process until the arc-shaped plate 63 is just attached to the peripheral side of the pile foundation 22; after the adjustment is finished, the fixing pin 64 is connected to the movable sleeve 62 in a threaded mode, and the fixing pin 64 is abutted to the fixed rod 61; and similarly, adjusting the two groups of positioning devices 6 to fix the pile foundation 22.

The implementation principle of the embodiment is as follows: when the height of the reaction beam 2 needs to be adjusted, the motor 14 is started to enable the screw rod 31 in the first upright post 11 to rotate; when the screw rod 31 in the first upright post 11 rotates, the rotating rod 41 can rotate due to the meshing of the first bevel gear 42 and the second bevel gear 43; a bevel gear II 43 at the end part of the screw rod 31 in the upright post II 12 rotates along with the rotating rod 41, so that the two screw rods 31 synchronously rotate, and the slide block 32 slides along the screw rod 31 under the limitation of the connecting block 33 and the strip hole, so that the reaction beam 2 moves along with the slide block; the height of the counter-force beam 2 can be conveniently adjusted, so that the construction is more convenient.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a static pressure pile construction equipment, is including being fixed in pile pressing frame body (1) on ground, pile pressing frame body (1) including stand one (11) that perpendicular to ground set up, set up and perpendicular to ground stand two (12) and stand one (11) and stand two (12) common fixed connection's crossbeam (13) with stand one (11) and stand two (12) its characterized in that: the anti-skidding type anti-skidding device is characterized in that a reaction beam (2) is connected between the first upright post (11) and the second upright post (12) in a sliding mode, a jack (21) located above a pile foundation (22) is fixedly connected to the reaction beam (2), a first cavity (111) is formed in each of the first upright post (11) and the second upright post (12), a moving mechanism (3) used for driving the reaction beam (2) to move is arranged in each first cavity (111), each moving mechanism (3) comprises a screw rod (31) rotatably connected into the first cavity (111), a sliding block (32) in threaded connection with the screw rod (31), a connecting block (33) fixedly connected with the sliding block (32) and a mounting plate (34) fixed on the connecting block (33) and fixedly connected with the reaction beam (2), and a strip hole for the connecting block (33) to slide is formed in each of the first upright post (11) and the second upright post (12), the top of the first upright post (11) is fixedly connected with a motor (14) fixedly connected with a screw rod (31), a second cavity (131) communicated with the first cavity (111) is formed in the cross beam (13), and a driving assembly (4) used for driving the screw rod (31) to rotate in the second upright post (12) is arranged in the second cavity (131).

2. The static pressure pile constructing apparatus according to claim 1, wherein: the driving assembly (4) ensures that the rotating rod (41) connected in the second cavity (131), the first bevel gears (42) fixed at the two end parts of the rotating rod (41) and the second bevel gears (43) fixed at the tops of the two screw rods (31) and respectively meshed with the first bevel gears (42).

3. The static pressure pile constructing apparatus according to claim 1, wherein: and the cross beam (13) is provided with a limiting component (5) for limiting the rotation of the screw rod (31) in the first upright post (11).

4. A static pile constructing apparatus according to claim 3, wherein: the limiting assembly (5) comprises a sawtooth disc (51) fixed on the screw rod (31), an air cylinder (52) fixed on the cross beam (13) and a limiting block (53) fixed on the end part of a piston rod of the air cylinder (52) and capable of being clamped with a tooth groove of the sawtooth disc (51).

5. The static pressure pile constructing apparatus according to claim 1, wherein: the side face, far away from the reaction beam (2), of the mounting plate (34) is fixedly connected with a guide strip (341), and guide grooves (112) matched with the guide strip (341) are formed in the first upright column (11) and the second upright column (12).

6. The static pressure pile constructing apparatus according to claim 1, wherein: and positioning devices (6) are arranged at the bottoms of the opposite side surfaces of the first upright post (11) and the second upright post (12).

7. The static pressure pile constructing apparatus according to claim 6, wherein: the positioning device (6) comprises a fixed rod (61) fixed on the first upright post (11) or the second upright post (12), a movable sleeve (62) sleeved on the fixed rod (61) in a sliding manner, an arc-shaped plate (63) fixed on the end part of the movable sleeve (62) and a fixed pin (64) which is connected with the movable sleeve (62) in a threaded manner and is abutted against the fixed rod (61).

8. The static pressure pile constructing apparatus according to claim 7, wherein: and the fixed rod (61) is provided with scale marks (611) arranged along the length direction of the fixed rod in the measuring direction.