CN109944235B

CN109944235B - Dig a with preventing hole collapse device soon

Info

Publication number: CN109944235B
Application number: CN201910328082.5A
Authority: CN
Inventors: 朱卫华; 王森锋; 张华超; 吴夫; 严振勇
Original assignee: Guangdong Zhongren Geotechnical Engineering Co ltd
Current assignee: Guangdong Zhongren Geotechnical Engineering Co ltd
Priority date: 2019-04-23
Filing date: 2019-04-23
Publication date: 2021-01-05
Anticipated expiration: 2039-04-23
Also published as: CN109944235A

Abstract

The invention discloses a hole collapse prevention device for a rotary digging pile, which comprises a base and is characterized in that: the upside fixed connection fixed plate of base, the upside both ends of fixed plate are fixed connection guide post respectively, the guide post passes the lantern ring, the lantern ring is fixed respectively in the both sides of backup pad, the middle part of the articulated semicircle ring of one end of backup pad, the horizontal pole of the both ends fixed connection U-shaped support of semicircle ring, the both ends of the straight flute pole one of the different fixed connection of two montant tip of U-shaped support. The invention relates to the field of hole supporting equipment, in particular to a hole collapse preventing device for a rotary digging pile. This device can carry out the support of hole.

Description

Dig a with preventing hole collapse device soon

Technical Field

The invention relates to the field of hole supporting equipment, in particular to a hole collapse preventing device for a rotary digging pile.

Background

The rotary digging pile generally refers to a pile type constructed by a rotary digging drilling machine, and is called a rotary digging bored pile for short in engineering. Because of using mechanical operation, the requirement on the number of workers is not high, and great labor cost can be saved. After the hole is formed by the rotary excavator, the problems of low hole forming rate, hole shrinkage, slag inclusion, excessive thick sediment at the bottom of the pile and the like are easily caused under the geological condition of a high-water-level water-rich sand layer. The sand content of the water-rich sand layer reaches more than 30 percent, the porosity ratio is large, the water content is large, and the water-rich sand layer has the characteristics of large fluidity, small bearing capacity, poor self-stability and the like. The water-rich sand layer is easy to be settled due to the displacement of soil body generated by excavation.

When a hole collapse of a rotary pile is dug, concrete is backfilled to the hole collapse part in the traditional method, the backfilling method wastes the concrete, the construction efficiency is low, and a hole collapse prevention device for the rotary pile is lacked at present, which is the defect of the prior art.

Disclosure of Invention

The invention aims to provide a hole collapse prevention device for a rotary digging pile, which is convenient for supporting a hole.

The invention adopts the following technical scheme to realize the purpose of the invention:

the utility model provides a dig a pile soon with preventing hole device that collapses, includes the base, characterized by: the upper side of the base is fixedly connected with a fixed plate, two ends of the upper side of the fixed plate are respectively fixedly connected with guide columns, the guide columns penetrate through lantern rings, the lantern rings are respectively fixed on two sides of a supporting plate, one end of the supporting plate is hinged with the middle part of a semicircular ring, two ends of the semicircular ring are fixedly connected with a cross rod of a U-shaped support, two end parts of two vertical rods of the U-shaped support are respectively fixedly connected with two ends of a first straight-groove rod, a group of trapezoidal sliding blocks are embedded in a sliding groove of the first straight-groove rod, one trapezoidal sliding block in the middle is fixed in the middle position in the sliding groove of the first straight-groove rod, the lower side of each trapezoidal sliding block is respectively fixedly connected with a cylinder, the lower end of each cylinder is respectively fixedly connected with one end of a stretching bracket, the lower side of a circular ring at the other end of the, the lower end of the central shaft of each bevel gear I is hinged with a connecting column, the lower end of each connecting column is fixedly connected with a fixed disk, one ends of a group of transverse sliding grooves which are uniformly distributed in the circumference are fixedly connected to the arc surface of the fixed disk, the other ends of the transverse sliding grooves correspond to the edges of the disks, sliders are embedded into the transverse sliding grooves respectively, and the lower sides of the sliders are fixedly connected with opening plates respectively.

As a further limitation of the technical scheme, a second motor is fixedly connected in a circular ring at the other end of each extending bracket, an output shaft of each second motor is fixedly connected to the upper end of a central shaft of the first bevel gear, one end of the inner portion of each transverse chute is hinged to one end of a first screw, each first screw is in threaded connection with the corresponding sliding block, each first screw penetrates through the other end of the transverse chute, the other end of each first screw is hinged to the corresponding connecting column, the other end of each first screw is fixedly connected to a second bevel gear, and the second bevel gear is meshed with the corresponding first bevel gear.

As a further limitation of the technical scheme, from one of the cylinders at one end to the previous cylinder at the other end, the cylinders are respectively hinged with one end of a first connecting rod, from one of the cylinders at the other end to the previous cylinder at the last end, each cylinder is respectively hinged with one end of a second connecting rod, the other end of each first connecting rod is respectively hinged with the lower side of the other end of the adjacent second connecting rod, the upper side of the other end of each second connecting rod is respectively and fixedly connected with a convex column, and all the convex columns are embedded into a sliding groove of a second straight-groove rod.

As a further limitation of the technical solution, the middle part of the upper side of the straight groove rod two is fixedly connected with the fixed block, the guide rod passes through the lower side of the fixed block, one end of the guide rod is fixedly connected with one side of the L-shaped block, the end part of the other side of the L-shaped block is fixedly connected with the middle part of one side of the straight groove rod one, one side of the L-shaped block is fixedly connected with the motor three, the output shaft of the motor three is fixedly connected with one end of the screw rod two, one end of the screw rod two is hinged with the L-shaped block, and the screw rod two is in threaded

As a further limitation of the technical solution, a fourth motor is fixed on the base, an output shaft of the fourth motor is fixedly connected with one end of a worm, the other end of the worm is hinged with a square block, the square block is fixed on the base, the worm is meshed with a worm wheel, a lower central shaft of the worm wheel is hinged with the base, an upper center of the worm wheel is fixedly connected with a third screw rod, and the third screw rod is in threaded connection with the support plate.

As a further limitation of the technical solution, the collar is screwed with a jackscrew corresponding to the guide post.

As a further limitation of the technical scheme, the cylinder body of the lower side fixed connection cylinder of the supporting plate, the piston rod of the cylinder passes the supporting plate and the upper end fixed connection ring, the ring is hinged with the one end round rod of the connecting plate, the other end of the connecting plate is hinged with two vertical rods of the U-shaped connecting rod respectively on two sides, and the lower end of the cross rod of the U-shaped connecting rod is fixedly connected with the upper side of the middle part of the semicircular ring.

Compared with the prior art, the invention has the advantages and positive effects that:

(1) the device can support the holes;

(2) the device can simultaneously support a plurality of holes with the same interval;

(3) the distance between each group of supporting plates can be adjusted according to the interval of the holes.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a partial perspective view of the first embodiment of the present invention.

Fig. 3 is a partial perspective view of the second embodiment of the present invention.

Fig. 4 is a schematic view of a partial three-dimensional structure of the present invention.

Fig. 5 is a partial perspective view illustrating a fourth embodiment of the present invention.

Fig. 6 is a schematic perspective view of the present invention.

Fig. 7 is a schematic partial perspective view of the present invention.

Fig. 8 is a three-dimensional structure diagram of the present invention.

Fig. 9 is a schematic perspective view of the present invention.

In the figure: 1. the device comprises a supporting plate, 2, a lantern ring, 3, a jackscrew, 4, a screw rod III, 5, a guide post, 7, a square block, 8, a worm, 9, a motor IV, 10, a worm wheel, 11, a base, 12, a fixing plate, 13, a spreading plate, 14, a disc, 15, a motor II, 16, a protruding support, 17, a straight groove rod I, 18, a U-shaped support, 19, a semicircular ring, 20, a U-shaped connecting rod, 21, a connecting plate, 22, a cylinder, 23, a straight groove rod II, 24, a trapezoidal sliding block, 25, a motor III, 26, an L-shaped block, 27, a convex column, 28, a guide rod, 29, a fixing block, 30, a screw rod II, 31, a connecting rod I, 32, a cylinder, 33, a connecting rod II, 34, a bevel gear I, 35, a transverse sliding groove, 36, a screw rod I, 37, a sliding block, 38, a bevel gear II, 39, a.

Detailed Description

An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.

As shown in fig. 1 to 9, the present invention includes a base 11, a fixed plate 12 is fixedly connected to an upper side of the base 11, two ends of an upper side of the fixed plate 12 are respectively and fixedly connected to a guide post 5, the guide post 5 passes through a sleeve ring 2, the sleeve rings 2 are respectively fixed to two sides of a support plate 1, one end of the support plate 1 is hinged to a middle portion of a semicircular ring 19, two ends of the semicircular ring 19 are fixedly connected to a cross bar of a U-shaped bracket 18, two vertical bar ends of the U-shaped bracket 18 are respectively and fixedly connected to two ends of a straight-groove bar 17, a set of trapezoidal sliders 24 are embedded in a sliding groove of the straight-groove bar 17, one trapezoidal slider 24 in the middle is fixed to a middle position in the sliding groove of the straight-groove bar 17, a cylinder 32 is respectively and fixedly connected to a lower side of each trapezoidal slider 24, and a lower end of, the lower side of the circular ring at the other end of each extending support 16 is fixedly connected with a disc 14, the center of the lower side of each disc 14 is hinged with the upper end of the central shaft of a bevel gear 34, the lower end of the central shaft of each bevel gear 34 is hinged with a connecting column 40, the lower end of the connecting column 40 is fixedly connected with a fixed disc 39, one end of a group of transverse sliding grooves 35 which are uniformly distributed in the circumference is fixedly connected to the arc surface of the fixed disc 39, the other end of each transverse sliding groove 35 is correspondingly and fixedly connected with the edge of the disc 14, a sliding block 37 is embedded in each transverse sliding groove 35, and the lower side of each sliding block 37 is fixedly connected with an opening plate.

A second motor 15 is fixedly connected in a circular ring at the other end of each extending support 16, an output shaft of each second motor 15 is fixedly connected to the upper end of a central shaft of the first bevel gear 34, one end of the inside of each transverse sliding groove 35 is hinged to one end of a first screw 36, each first screw 36 is in threaded connection with the corresponding sliding block 37, each first screw 36 penetrates through the other end of the transverse sliding groove 35, the other end of each first screw 36 is hinged to the corresponding connecting column 40, the other end of each first screw 36 is fixedly connected with a second bevel gear 38, and the second bevel gear 38 is meshed with the corresponding first bevel gear 34.

Starting from one cylinder 32 at one end to the previous cylinder 32 at the other end, the cylinder 32 is hinged with one end of a first connecting rod 31, starting from one cylinder 32 at the other end to the previous cylinder 32 at the last end, each cylinder 32 is hinged with one end of a second connecting rod 33, the other end of each first connecting rod 31 is hinged with the lower side of the other end of the adjacent second connecting rod 33, the upper side of the other end of each second connecting rod 33 is fixedly connected with a convex column 27, and all the convex columns 27 are embedded into sliding grooves of the second straight-groove rods 23.

The middle part of the upper side of the straight groove rod II 23 is fixedly connected with a fixed block 29, a guide rod 28 penetrates through the lower side of the fixed block 29, one end of the guide rod 28 is fixedly connected with one side of an L-shaped block 26, the end part of the other side of the L-shaped block 26 is fixedly connected with the middle part of one side of the straight groove rod I17, one side of the L-shaped block 26 is fixedly connected with a motor III 25, the output shaft of the motor III 25 is fixedly connected with one end of a screw rod II 30, one end of the screw rod II 30 is hinged with the L-shaped block 26, and the screw rod II 30 is in threaded

The base 11 is fixed with a motor IV 9, an output shaft of the motor IV 9 is fixedly connected with one end of a worm 8, the other end of the worm 8 is hinged to a square 7, the square 7 is fixed to the base 11, the worm 8 is meshed with a worm wheel 10, a lower side center shaft of the worm wheel 10 is hinged to the base 11, an upper side center of the worm wheel 10 is fixedly connected with a screw rod III 4, and the screw rod III 4 is in threaded connection with the supporting plate 1.

The lantern ring 2 is in threaded connection with the jackscrew 3 corresponding to the guide post 5.

The cylinder body of the downside fixed connection cylinder 22 of backup pad 1, the piston rod of cylinder 22 passes backup pad 1 and upper end fixed connection ring 41, the one end round bar of ring 41 articulated connecting plate 21, the other end both sides of connecting plate 21 articulate two montants of U-shaped connecting rod 20 respectively, the horizontal pole lower extreme fixed connection of U-shaped connecting rod 20 the middle part upside of semicircle ring 19.

Wheels are fixed at four corners of the lower side of the base 11 and can be self-locked.

The second motor 15, the third motor 25 and the fourth motor 9 are all connected with a forward and reverse rotation switch (not shown in the figure), which is not described again in the prior art.

The number of the first connecting rods 31 and the number of the second connecting rods 33 are 4, the number of the trapezoidal sliding blocks 24 and the number of the convex columns 27 are 5, and the number of the transverse sliding grooves is 3.

The working process of the invention is as follows: promote this device and remove the hole department that needs to prop, lock the wheel, cylinder 22's piston rod upwards stretches out and drives the swing of connecting plate 21, and connecting plate 21 drives the swing of U-shaped connecting rod 20, and U-shaped connecting rod 20 drives semicircle ring 19, the swing of U-shaped support 18 and straight flute pole 17, and straight flute pole 17 drives straight flute pole two 23, stretches out support 16 and the swing such as opening board 13, and opening board 13 swings to and hole vertically state, and control cylinder 22's piston rod is motionless. The motor III 25 is opened, the output shaft of the motor III 25 rotates to drive the screw II 30 fixedly connected with the motor III to rotate, the screw II 30 drives the fixed block 29 to move along the guide rod 28, the fixed block 29 drives the straight groove rod II 23 to move, the straight groove rod II 23 drives the convex column 27 in the sliding groove to move, the convex column 27 drives the connecting rod I31 and the connecting rod II 33 to swing, the connecting rod I31 and the connecting rod II 33 drive the convex column 27 to move in the sliding groove of the straight groove rod II 23, the connecting rod I31 and the connecting rod II 33 drive the trapezoidal sliding block 24 to move in the sliding groove of the straight groove rod I17, as the trapezoidal sliding block 24 in the middle is not moved and the connecting rod I31 and the connecting rod II 33 are limited, the intervals between the adjacent trapezoidal sliding blocks 24 and the adjacent convex columns 27 are the same, the trapezoidal sliding block 24 drives the extending bracket 16 and the opening plate 13 to move, and the distance between the straight groove rod I17 and the straight groove rod, the farther the distance between each group of the opening plates 13 is, the farther the distance between the first straight-groove rod 17 and the second straight-groove rod 23 is, the closer the distance between the trapezoidal sliding blocks 24 is, the closer the distance between each group of the opening plates 13 is, and the position of the opening plate 13 is well adjusted, so that each group of the opening plates 13 is aligned to the hole to be supported. Then the jackscrew 3 is unscrewed, the motor IV 9 is turned on, the output shaft of the motor IV 9 rotates to drive the worm 8 to rotate, the worm 8 drives the worm wheel 10 to rotate, the worm wheel 10 drives the screw III 4 to rotate, the screw III 4 drives the support plate 1 in threaded connection with the screw III to move downwards, the support plate 1 drives the lantern ring 2 to move downwards along the guide column 5, the support plate 1 drives the semicircular ring 19, the U-shaped support 18, the straight groove rod I17, the straight groove rod II 23, the opening plate 13 and the like to move downwards, and the opening plate 13 is inserted into the hole to a sufficient depth and then the motor IV 9 is turned off. Then the second motor 15 is turned on, the first bevel gear 24 is driven to rotate by rotation of an output shaft of the second motor 15, the first bevel gear 24 drives the second bevel gear 38 meshed with the first bevel gear to rotate, the second bevel gear 28 drives the first screw rod 36 to rotate, the first screw rod 36 drives the sliding block 37 to slide outwards in the transverse sliding groove 35, the sliding block 37 drives the opening plates 13 to move away from each other, the second motor 15 is closed after the hole is opened, when the hole is not required to be opened, the reverse switch of the second motor 15 is turned on, the opening plates 13 move reversely to return, the second motor 15 is closed, the reverse rotation switch of the fourth motor 19 is turned on, and the opening plates 13 are driven to move upwards to separate.

The above disclosure is only one specific embodiment of the present invention, but the present invention is not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.

Claims

1. The utility model provides a dig a pile soon with preventing hole device that collapses, includes base (11), characterized by: the upside fixed connection fixed plate (12) of base (11), the upside both ends of fixed plate (12) are fixed connection guide post (5) respectively, the guide post (5) passes the lantern ring (2), the lantern ring (2) are fixed respectively in the both sides of backup pad (1), the middle part of the articulated semicircle ring (19) of one end of backup pad (1), the horizontal pole of the both ends fixed connection U-shaped support (18) of semicircle ring (19), the both ends of the fixed connection straight flute bar (17) of the two montant tip of U-shaped support (18) respectively, imbed a set of trapezoidal slider (24) in the spout of straight flute bar (17), middle one trapezoidal slider (24) is fixed the intermediate position in the spout of straight flute bar (17), every downside of trapezoidal slider (24) is fixed connection cylinder (32) respectively, every lower extreme of cylinder (32) is fixed connection respectively and stretches out the one end of support (16), every other end ring downside of outrigger (16) is fixed connection disc (14) respectively, every the center pin upper end of bevel gear (34) is articulated respectively at the downside center of disc (14), every the center pin lower extreme of bevel gear (34) articulates spliced pole (40) respectively, the lower extreme fixed connection fixed disk (39) of spliced pole (40), the one end of the horizontal spout (35) that a set of circumference of fixed connection evenly arranged on the cambered surface of fixed disk (39), every the other end of horizontal spout (35) corresponds fixed connection the edge of disc (14), every imbed slider (37) respectively in horizontal spout (35), every the downside of slider (37) is fixed connection respectively and props open plate (13).

2. The hole collapse prevention device for the rotary excavation pile according to claim 1, which is characterized in that: a second motor (15) is fixedly connected in a circular ring at the other end of each extending support (16), an output shaft of each second motor (15) is fixedly connected to the upper end of a central shaft of the first bevel gear (34), one end of the inner part of each transverse sliding groove (35) is hinged to one end of the first screw (36), each first screw (36) is in threaded connection with the corresponding sliding block (37), each first screw (36) penetrates through the other end of the transverse sliding groove (35), the other end of each first screw (36) is hinged to the corresponding connecting column (40), the other end of each first screw (36) is fixedly connected with a second bevel gear (38), and the second bevel gears (38) are meshed with the corresponding first bevel gears (34).

3. The hole collapse prevention device for the rotary excavation pile according to claim 1, which is characterized in that: the cylinder (32) from one end starts to the previous one of the cylinder (32) at the other end, one end of a first connecting rod (31) is hinged to the cylinder (32) respectively, the cylinder (32) from the other end starts to the previous one of the last cylinder (32), one end of a second connecting rod (33) is hinged to each cylinder (32) respectively, the other end of each first connecting rod (31) is hinged to the lower side of the other end of the adjacent second connecting rod (33) respectively, the upper side of the other end of each second connecting rod (33) is fixedly connected with a convex column (27) respectively, and all the convex columns (27) are embedded into sliding grooves of the second straight-groove rods (23).

4. The hole collapse prevention device for the rotary excavation pile according to claim 3, which is characterized in that: the upside middle part fixed connection fixed block (29) of straight groove pole two (23), guide bar (28) pass the downside of fixed block (29), one side of one end fixed connection L shape piece (26) of guide bar (28), the opposite side tip fixed connection of L shape piece (26) one side middle part of straight groove pole one (17), one side fixed connection motor three (25) of L shape piece (26), the output shaft fixed connection screw rod one end of two (30) of motor three (25), the one end of screw rod two (30) is articulated L shape piece (26), screw rod two (30) threaded connection the upper portion of fixed block (29).

5. The hole collapse prevention device for the rotary excavation pile according to claim 1, which is characterized in that: be fixed with motor four (9) on base (11), the output shaft fixed connection worm (8)'s of motor four (9) one end, the articulated square (7) of the other end of worm (8), square (7) are fixed on base (11), worm (8) meshing worm wheel (10), the downside central axis of worm wheel (10) is articulated base (11), the upside center fixed connection screw rod three (4) of worm wheel (10), screw rod three (4) threaded connection backup pad (1).

6. The hole collapse prevention device for the rotary excavation pile according to claim 1, which is characterized in that: the lantern ring (2) is in threaded connection with the jackscrew (3) corresponding to the guide column (5).

7. The hole collapse prevention device for the rotary excavation pile according to claim 1, which is characterized in that: the cylinder body of downside fixed connection cylinder (22) of backup pad (1), the piston rod of cylinder (22) passes backup pad (1) and upper end fixed connection ring (41), the one end round bar of ring (41) articulated connecting plate (21), the other end both sides of connecting plate (21) articulate two montants of U-shaped connecting rod (20) respectively, the horizontal pole lower extreme fixed connection of U-shaped connecting rod (20) the middle part upside of semicircle ring (19).