CN212001093U - A static pressure pile construction device - Google Patents

Abstract

The utility model relates to a static pressure pile construction device, which relates to the technical field of pile foundation construction. The utility model comprises a pile pressing frame body fixed on the ground. There is a reaction beam connected by common sliding between them. The reaction beam is fixed with a jack located above the pile foundation. A cavity 1 is opened on the column 1 and the column 2. Each cavity 1 is provided with a moving mechanism to move The mechanism includes a screw rod rotatably connected in the cavity one, a slider threadedly connected with the screw rod, a connecting block fixed with the slider, and a mounting plate fixed on the connecting block and fixed with the reaction beam. There are strip holes on the second column and the top of the column one is fixed with a motor fixed with the screw rod. The drive assembly that the screw rotates. The utility model has the effect that the height of the reaction beam can be adjusted conveniently.

Description

A static pressure pile construction device

technical field

The utility model relates to the technical field of pile foundation construction, in particular to a static pressure pile construction device.

Background technique

The static pressure pile is a method of engineering pile foundation construction. The static pressure pile method construction is to press the prefabricated pile into the soil through the pile driving mechanism of the static pile driver to provide the counter force with the self weight of the pile driver and the counterweight on the frame. The piling process in . The static pressure pile completely avoids the vibration, noise and pollution caused by hammering the pile, so it has the advantages of no damage to the pile, no noise, no vibration, no impact, and no pollution during construction.

The existing Chinese patent with the publication number CN207812523U discloses an anchor rod static pressure pile construction device, which includes a pile body, a pile driving frame main body, a jack and a reaction beam; The two ends of the pile frame beam are used to support the pile-pressing frame columns of the pile-pressing frame beams. The bottom of the pile-pressing frame column is provided with a base, and the base is fixed on the base plate through the anchor rod, and the pile-pressing frame columns are arranged in order from top to bottom. There are a plurality of pin holes; the reaction beam is suspended on the beam of the pile-pressing frame through an electric hoist, and both sides of the reaction-force beam are installed on the column of the pile-pressing frame through bolts; the pile body is connected with the reaction beam through a jack.

The above-mentioned prior art scheme has the following defects: when the height of the reaction beam needs to be adjusted, the staff needs to manually remove the latch on the pin hole; then move the reaction beam to a suitable height, and then use the latch to fix it; The operation process is more complicated and less efficient.

Utility model content

In view of the deficiencies in the prior art, the purpose of the present invention is to provide a static pressure pile construction device, which has the effect of being able to easily adjust the height of the reaction beam.

The above-mentioned utility model purpose of the present utility model is achieved through the following technical solutions:

A static-pressing pile construction device, comprising a pile-pressing frame body fixed on the ground, the pile-pressing frame body comprising a column 1 arranged perpendicular to the ground, a column 2 arranged opposite to the column 1 and perpendicular to the ground, and the column 1 and the column 1 and the column 1. The cross beams are fixedly connected together by the two uprights. A reaction beam is connected by sliding together between the uprights and the uprights. The reaction beam is fixedly connected with a jack located above the pile foundation. The two uprights are provided with a cavity 1, and each cavity 1 is provided with a moving mechanism for driving the movement of the reaction force beam. The sliding block connected with the rod thread, the connecting block fixedly connected with the sliding block, and the mounting plate fixed on the connecting block and fixedly connected with the reaction beam, the first column and the second column are provided with available connecting blocks Sliding strip holes, the top of the column one is fixedly connected with a motor that is fixedly connected with the screw rod, the beam is provided with a cavity two that communicates with the cavity one, and the cavity two is provided with a driving mechanism. The drive assembly for the rotation of the lead screw in the second column.

By adopting the above technical solution, when the height of the reaction beam needs to be adjusted, the motor can be started to rotate the lead screw in column one, and the lead screw in column two can be rotated by using the driving component, so that under the restriction of the connecting block and the strip hole The slider slides along the screw rod, so that the reaction beam moves along with it; in this way, the height of the reaction beam can be adjusted conveniently, which makes the construction more convenient.

In a preferred example of the present invention, it can be further configured as follows: the drive assembly ensures a rotating rod connected in the cavity 2, a bevel gear 1 fixed on both ends of the rotating rod, and a bevel gear 1 fixed on the top of the two screw rods. Two bevel gears meshing with two bevel gears respectively.

By adopting the above technical solution, the driving component is set as the combination of the rotating rod, the first bevel gear and the second bevel gear. When the screw rod in the first column rotates, the rotating rod can be rotated due to the meshing of the first bevel gear and the second bevel gear. ;The bevel gear 2 at the end of the screw rod in the second column rotates with the rotating rod, so that the two screw rods rotate synchronously to ensure the normal adjustment of the height position of the reaction beam; at the same time, the rotation of the two screw rods is driven by only one motor , making the device more green and energy-saving.

In a preferred example of the present invention, it can be further configured that: the beam is provided with a limiting component for restricting the rotation of the screw rod in the column 1.

By adopting the above technical solution, after the height adjustment of the reaction force beam is completed, the rotation of the lead screw in the column 1 can be restricted by the limit component, so that the rotation of the lead screw in the column two can be restricted accordingly, reducing the possible belt rotation of the lead screw. The problem of changing the position of the reaction beam ensures the stability of the reaction beam.

In a preferred example of the present invention, it can be further configured as follows: the limiting assembly includes a serrated disk fixed on the screw rod, a cylinder fixed on the beam, and the end of the piston rod of the cylinder fixed on the serrated disk. The limit block that engages with the tooth slot.

By adopting the above technical solution, when it is necessary to limit the rotation of the lead screw in the column 1, the air cylinder is used to push the limit block to move in the direction of the serrated plate until the limit block is clamped in the tooth slot of the serrated disk, thereby restricting the serrated disk. Rotation of the threaded rod, which is fixedly connected with the sawtooth disc, is limited.

In a preferred example of the present invention, it can be further configured as follows: guide strips are fixedly connected to the sides of the mounting plate away from the reaction force beam, and guide strips are provided on the first column and the second column. Matching guide grooves.

By adopting the above technical solution, when the slider moves along the screw rod, the mounting plate also moves, and the guide bars on the mounting plate can slide along the lead-out groove, so that the movement of the mounting plate is more stable, and the reaction force The beam can move more smoothly.

In a preferred example of the present invention, it can be further configured as follows: positioning devices are provided on the bottoms of the opposite sides of the first column and the second column.

By adopting the above technical solution, the positioning device can limit the position of the pile foundation, so that the pile foundation is in a vertical state, and the quality of the pile foundation construction is ensured.

In a preferred example of the present invention, it can be further configured as follows: the positioning device includes a fixed rod fixed on the first column or the second column, a movable sleeve slidingly sleeved on the fixed rod, and fixed on the end of the movable sleeve. The arc-shaped plate and the fixing pin are threadedly connected with the movable sleeve and abutted with the fixing rod.

By adopting the above technical solution, unscrew the fixing pin, adjust the position of the movable sleeve according to the diameter of the pile foundation, so that the arc-shaped plate just fits the peripheral side of the pile foundation; after the adjustment is completed, the fixing pin is screwed on the movable sleeve, and The fixing pin is abutted with the fixing rod; in the same way, the adjustment of the two sets of positioning devices is completed, so as to complete the fixing of the pile foundation.

In a preferred example of the present invention, it can be further configured that: the fixed rod is provided with a scale line whose measurement direction is along its length direction.

By adopting the above technical solution, the movable sleeves on the two sets of positioning devices can be adjusted conveniently and intuitively through the scale lines, so that the distances between the two movable sleeves and the pile foundation are basically the same, so that the positioning effect of the positioning device is better.

To sum up, the present utility model includes at least one of the following beneficial technical effects:

When the height of the reaction beam needs to be adjusted, start the motor to rotate the lead screw in column one, and use the drive assembly to rotate the lead screw in column two, so that the slider can follow the lead screw under the restriction of the connecting block and the strip hole. Slip, make the reaction beam move with it; in this way, the height of the reaction beam can be easily adjusted, making the construction more convenient;

After the height adjustment of the reaction beam is completed, the rotation of the lead screw in the column 1 can be restricted by the limit component, so that the rotation of the lead screw in the column two can be restricted accordingly, reducing the position change of the reaction beam caused by the rotation of the lead screw. The problem of ensuring the stability of the reaction beam;

The positioning device can limit the position of the pile foundation, make the pile foundation in a vertical state, and ensure the quality of the pile foundation construction.

Description of drawings

FIG. 1 is a schematic structural diagram of an embodiment.

FIG. 2 is a partial enlarged schematic view of part A in FIG. 1 .

FIG. 3 is a schematic structural diagram of a highlighting driving assembly in an embodiment.

Reference numerals: 1, pile-pressing frame body; 11, column one; 111, cavity one; 112, guide groove; 12, column two; 13, beam; 131, cavity two; 14, motor; 2, reaction force Beam; 21, Jack; 22, Pile foundation; 3, Moving mechanism; 31, Screw rod; 32, Slider; 33, Connecting block; 34, Mounting plate; 341, Guide strip; 4, Drive assembly; 41, Rotating rod ; 42, bevel gear one; 43, bevel gear two; 5, limit assembly; 51, sawtooth plate; 52, cylinder; 53, limit block; , movable sleeve; 63, arc plate; 64, fixed pin.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

Referring to FIG. 1, it is a static pressure pile construction device disclosed by the utility model, including a pile driver frame body 1, the pile driver frame body 1 is fixed on the ground, and the pile driver frame body 1 includes a column one 11, a second column 12 and a beam 13. The first column 11 and the second column 12 are arranged perpendicular to the ground. The beam 13 is fixed on the top of the first column 11 and the second column 12 . The first column 11 and the second column 12 are symmetrically distributed along the central axis of the beam 13 . The first column 11 and the second column 12 are jointly slidingly connected with a reaction force beam 2 . A jack 21 is fixedly connected to the lower surface of the reaction beam 2 , and the jack 21 is located above the pile foundation 22 . The first column 11 and the second column 12 are both provided with a cavity 1 111 , the beam 13 2 is provided with a cavity 2 131 , and the cavity 1 111 is communicated with the cavity 2 131 .

Referring to FIGS. 1 and 2, each cavity 111 is provided with a moving mechanism 3. The moving mechanism 3 can be used to adjust the position of the reaction force beam 2. The moving mechanism 3 includes a screw rod 31, a slider 32, a connecting block 33 and Mounting plate 34 . The screw rod 31 is arranged vertically, and the screw rod 31 is rotatably connected in the cavity one 111 . The sliding block 32 is in the shape of a block, and the sliding block 32 is threadedly connected with the screw rod 31 . The opposite sides of the first column 11 and the second column 12 are provided with strip holes (not shown). The connecting block 33 is fixed on the slider 32, and the connecting block 33 is located in the bar hole. The mounting plate 34 is a rectangular plate structure, the mounting plate 34 is fixed on the side of the connecting block 33 away from the slider 32 , and the two mounting plates 34 are fixedly connected to the two ends of the reaction beam 2 respectively. A guide bar 341 is fixed on the side of the mounting plate 34 close to the connecting block 33 . The cross-sectional shape of the guide bar 341 is an isosceles trapezoid. The first column 11 and the second column 12 are provided with guide grooves 112. The guide grooves 112 on the column one 11 are matched with the guide strips 341 on the mounting plate 34 on the column one 11. The guide grooves 112 on the second column 12 are adapted to The guide bars 341 on the mounting plate 34 on the second column 12 are adapted to fit.

1 and 3 , a motor 14 is fixedly connected to the column one 11 , and the output shaft of the motor 14 is fixedly connected to the lead screw 31 in the column one 11 . The second cavity 131 is provided with a drive assembly 4 , and the drive 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 cavity two 131 , and the length direction of the rotating rod 41 is consistent with the length direction of the beam 13 . The first bevel gear 42 is coaxial with the rotating rod 41 , the number of the first bevel gear 42 is two, and the two first bevel gears 42 are respectively fixed on both ends of the rotating rod 41 . The number of the second bevel gears 43 is two, the two bevel gears 43 are respectively coaxial with the two screw rods 31, and the two bevel gears 43 are respectively fixed on the two screw rods 31, and the two bevel gears 2 43 meshes with two bevel gears one 42 respectively. When the height of the reaction beam 2 needs to be adjusted, start the motor 14 to make the lead screw 31 in the column one 11 rotate; when the lead screw 31 in the column one 11 rotates, due to the meshing of the bevel gear one 42 and the bevel gear two 43, The rotating rod 41 can be rotated; the second bevel gear 43 at the end of the screw rod 31 in the second column 12 rotates with the rotating rod 41, so that the two screw rods 31 rotate synchronously, and then under the restriction of the connecting block 33 and the strip hole The slider 32 slides along the screw rod 31, so that the reaction beam 2 moves along with it; in this way, the height of the reaction beam 2 can be easily adjusted, which makes the construction more convenient.

The cross beam 13 is provided with a limit assembly 5 , and the limit assembly 5 includes a sawtooth disc 51 , a cylinder 52 and a limit block 53 . The serrated disk 51 is coaxial with the screw rod 31 on the column one 11 , and the serrated disk 51 is fixed on the screw rod 31 . The cylinder 52 is fixed on the upper surface of the beam 13 , and the end of the piston rod of the cylinder 52 is disposed toward the column one 11 . The limit block 53 is fixed on the end of the piston rod of the air cylinder 52 , the air cylinder 52 can push the limit block 53 to move toward the sawtooth plate 51 , and the limit block 53 can engage with the tooth slot of the sawtooth plate 51 . After the height adjustment of the reaction beam 2 is completed, when the rotation of the screw rod 31 in the column 1 11 needs to be restricted, the air cylinder 52 is used to push the limit block 53 to move in the direction of the sawtooth plate 51 until the limit block 53 is clamped on the sawtooth plate 51 In the tooth slot, the rotation of the sawtooth disc 51 is limited, thereby limiting the rotation of the lead screw 31 fixedly connected with the sawtooth disc 51, reducing the problem that the rotation of the lead screw 31 may cause the position of the reaction beam 2 to change, ensuring The stability of the reaction beam 2 is improved.

Referring to FIG. 1 , the bottoms of the opposite sides of the first column 11 and the second column 12 are provided with positioning devices 6 . The fixing rod 61 is a circular rod-shaped structure. The fixing rods 61 on the two sets of positioning devices 6 are respectively fixed on the first column 11 and the second column 12 . The fixed rod 61 is provided with a scale line 611 , and the measurement direction of the scale line 611 is consistent with the length direction of the fixed rod 61 . The movable sleeve 62 is a round 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 slidably arranged on the fixed rod 61 . The arc-shaped plate 63 is fixed on the end of the movable sleeve 62 away from the fixing rod 61 , and the arc-shaped surface with a small area of the arc-shaped plate 63 is fitted with the pile foundation 22 . The fixing pin 64 is threadedly connected to the movable sleeve 62 , and the end of the fixing pin 64 is pressed against the fixing rod 61 . Unscrew the fixing pin 64, adjust the position of the movable sleeve 62 according to the diameter of the pile foundation 22, judge the position of the movable sleeve 62 through the scale line 611 during the adjustment process, until the arc plate 63 just fits with the peripheral side of the pile foundation 22; adjust; After completion, the fixing pin 64 is screwed on the movable sleeve 62, and the fixing pin 64 is abutted with the fixing rod 61; similarly, the adjustment of the two sets of positioning devices 6 is completed, thereby completing the fixing of the pile foundation 22.

The implementation principle of this embodiment is as follows: when the height of the reaction beam 2 needs to be adjusted, the starter motor 14 can make the lead screw 31 in the column one 11 rotate; when the lead screw 31 in the column one 11 rotates, because the bevel gear one 42 The meshing with the bevel gear 2 43 can make the rotating rod 41 rotate; the bevel gear 2 43 at the end of the screw rod 31 in the column two 12 rotates with the rotating rod 41, so that the two screw rods 31 rotate synchronously, and then connect The slider 32 slides along the screw rod 31 under the restriction of the block 33 and the strip hole, so that the reaction beam 2 moves along with it; in this way, the height of the reaction beam 2 can be easily adjusted, which makes the construction more convenient.

The embodiments of this specific embodiment are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention, therefore: all equivalent changes made according to the structure, shape and principle of the present invention are It should be covered within the protection scope of the present invention.

Claims (8)

1. A static-pressed pile construction device, comprising a pile-pressing frame body (1) fixed on the ground, the pile-pressing frame body (1) comprising a vertical column one (11) arranged perpendicular to the ground, and a vertical column one (11) The second column (12) that is oppositely arranged and perpendicular to the ground and the beam (13) that is fixedly connected with the first column (11) and the second column (12), is characterized in that: the first column (11) and the second column A reaction force beam (2) is slidably connected between (12), the reaction force beam (2) is fixedly connected with a jack (21) located above the pile foundation (22), and the first column (11) and The two upright columns (12) are provided with a cavity 1 (111), and each cavity 1 (111) is provided with a moving mechanism (3) for driving the reaction beam (2) to move. The moving mechanism (3) includes a lead screw (31) rotatably connected in the cavity one (111), a slider (32) threadedly connected to the lead screw (31), and a connecting block (32) fixedly connected to the slider (32). 33) and the mounting plate (34) fixed on the connecting block (33) and fixedly connected with the reaction force beam (2), the first column (11) and the second column (12) are provided with for A strip hole through which the connecting block (33) slides, the top of the column one (11) is fixedly connected with a motor (14) that is fixedly connected with the screw rod (31), and the beam (13) is provided with a cavity one (111) A communicating cavity two (131), the cavity two (131) is provided with a driving component (4) for driving the rotation of the lead screw (31) in the upright column two (12). 2. A static pressure pile construction device according to claim 1, characterized in that: the drive assembly (4) ensures that the rotating rod (41) connected in the cavity two (131) rotates, and the rotating rod (41) is fixed on the rotating rod. (41) The first bevel gear (42) on both ends and the second bevel gear (43) fixed on the top of the two screw rods (31) and meshing with the two bevel gears (42) respectively. 3. A static pressure pile construction device according to claim 1, characterized in that: the beam (13) is provided with a screw rod (31) for restricting the rotation of the lead screw (31) in the column one (11). Limit assembly (5). 4. A static pressure pile construction device according to claim 3, characterized in that: the limiting component (5) comprises a sawtooth disc (51) fixed on the screw rod (31), a serrated plate (51) fixed on the cross beam (13) ) on the cylinder (52) and a limit block (53) fixed on the end of the piston rod of the cylinder (52) and capable of engaging with the tooth grooves of the sawtooth disc (51). 5. A static pressure pile construction device according to claim 1, characterized in that: guide strips (341) are fixedly connected to the sides of the mounting plate (34) away from the reaction force beam (2), The first column (11) and the second column (12) are provided with guide grooves (112) adapted to the guide bars (341). 6 . The static pressure pile construction device according to claim 1 , wherein positioning devices ( 6 ) are provided on the bottoms of the opposite sides of the first column (11) and the second column (12). 7 . 7. A static pressure pile construction device according to claim 6, characterized in that: the positioning device (6) comprises a fixing rod (61) fixed on the first column (11) or the second column (12), A movable sleeve (62) slidably sleeved on the fixed rod (61), an arc-shaped plate (63) fixed on the end of the movable sleeve (62), and a threaded connection with the movable sleeve (62) and with the fixed rod (61) ) abutting the fixing pin (64). 8 . The static pressure pile construction device according to claim 7 , wherein: the fixing rod ( 61 ) is provided with a scale line ( 611 ) whose measurement direction is along its length direction. 9 .

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