阅读说明：本技术 一种静压式沉井机 (Static pressure type open caisson machine ) 是由 安关峰 张蓉 于海滨 刘添俊 王谭 张旭聪 于 2021-08-03 设计创作，主要内容包括：本发明提供了一种静压式沉井机,包括第一底座、第二底座、连接部、以及夹持部,连接部设有两个,连接部包括第一支撑柱、第二支撑柱、连接柱,第一支撑柱固接于第一底座上,第二支撑柱固接于第二底座,第一支撑柱和第二支撑柱通过连接柱连接；夹持部包括第一弧形件、第二弧形件、第一连接块、第二连接块以及第三弧形件,第一底座和第二底座侧壁均固接有固定装置。本发明能够精准、快速地完成沉井施工。(The invention provides a static pressure type open caisson machine, which comprises a first base, a second base, two connecting parts and two clamping parts, wherein the connecting parts comprise a first supporting column, a second supporting column and a connecting column; the clamping part comprises a first arc-shaped part, a second arc-shaped part, a first connecting block, a second connecting block and a third arc-shaped part, and fixing devices are fixedly connected to the side walls of the first base and the second base. The invention can finish open caisson construction accurately and quickly.)

1. A static pressure type open caisson machine is characterized by comprising a first base (1), a second base (2), a connecting part and a clamping part,

the connecting part comprises a first supporting column (3), a second supporting column (4) and connecting columns (5), and the number of the connecting parts is two;

in one connecting part, a first supporting column (3) is fixedly connected to a first base (1), a second supporting column (4) is fixedly connected to a second base (2), and the first supporting column (3) is connected with the second supporting column (4) through a connecting column (5);

in the other connecting part, a first supporting column (3) is fixedly connected to the first base (1), a second supporting column (4) is fixedly connected to the second base (2), and the first supporting column (3) is connected with the second supporting column (4) through a connecting column (5);

the clamping part comprises a first arc-shaped part (17), a second arc-shaped part (18), a first connecting block (19), a second connecting block (20) and a third arc-shaped part (21), one end of the first arc-shaped part (17) is hinged with one end of the second arc-shaped part (18), the other end of the second arc-shaped part (18) is fixedly connected with the first connecting block (19), the other end of the first arc-shaped part (17) is hinged with one end of the third arc-shaped part (21), the other end of the third arc-shaped part (21) is fixedly connected with the second connecting block (20), the side wall of the second connecting block (20) is provided with a groove (201), the inner wall of the groove (201) is provided with a first motor and an arc-shaped sliding rail (202), one end of a first power output shaft (206) on the first motor is fixedly connected with a first gear (205), the arc-shaped sliding rail (202) is slidably connected with an arc-shaped sliding bar (203), the arc-shaped sliding bar (203) is provided with first sawteeth (204), the first gear (205) is meshed with the first sawteeth (204), one end of the arc-shaped sliding strip (203) is fixedly connected with the side wall of the first connecting block (19);

the side walls of the second arc-shaped part (18) and the third arc-shaped part (21) are fixedly connected with first connecting rods (16), one end of one first connecting rod (16) is fixedly connected with a transmission case (9), a first electric telescopic rod (11) and a second electric telescopic rod (14) are arranged on the transmission case (9), one end of the first electric telescopic rod (11) is connected with the second base (2) through a first universal joint (10), the other end of the first electric telescopic rod (11) is connected with the transmission case (9) through a second universal joint (12), one end of the second electric telescopic rod (14) is connected with one connecting column (5) through a third universal joint (13), the other end of the second electric telescopic rod (14) is connected with the transmission case (9) through a fourth universal joint (15), and only one second electric telescopic rod (14) is connected to each connecting column (5);

the fixing device is fixedly connected with the side walls of the first base (1) and the second base (2) and comprises a case (6), a screw (64) and a transmission mechanism are arranged in the case (6), a through hole (62) is formed in the bottom of the case (6), the through hole (62) is communicated with an inner cavity (61) of the case (6) and the outside of the case (6), the lower end of the screw (64) penetrates through the through hole (62) to extend to the ground, and the head of the upper end of the screw (64) is abutted to the bottom of the inner cavity (61) of the case (6).

2. Static pressure open caisson according to claim 1, wherein the transmission means comprise a second electric motor (65), a rotating disc (66), axis of rotation (662) and fixed strip (68), second motor (65), axis of rotation (662) and fixed strip (68) rigid coupling respectively in quick-witted case (6) inner wall, second power output shaft (651) one end rigid coupling on second motor (65) has expansion strip (652), expansion strip (652) one end rigid coupling has runner (654), second motor (65) are connected through elastic component (653) and runner (654), the rigid coupling has promotion strip (655) on runner (654), carousel (66) rotate to be connected on axis of rotation (662), the rigid coupling has fixed needle (661) and fag end (663) on axis of rotation (662), fag end (663) one end rigid coupling has heavy object (67), fixed strip (68) one end is equipped with inclined plane (681).

3. The static pressure type open caisson machine according to claim 2, wherein two limiting plates (63) are fixed to the bottom of the machine box (6), and the two limiting plates (63) are respectively arranged on two sides of the screw (64).

4. A static pressure type open caisson according to claim 3, wherein the side wall of the first base (1) is connected with a roller (8) in a rolling way, and the roller (8) is abutted against the side wall of the first arc-shaped member (17).

5. The static pressure type open caisson machine according to claim 4, wherein a power source connecting part (7) is fixed on the second base (2).

6. A static pressure type open caisson according to claim 5, wherein said weight (67) is located directly above said screw (64).

7. A static pressure type open caisson according to claim 6, wherein said screw (64) and said weight (67) are made of metal.

Technical Field

The invention relates to the technical field of open caisson, in particular to a static pressure type open caisson machine.

Background

The open caisson is a well cylindrical structure, which is characterized in that soil is dug in the open caisson, the open caisson is sunk to a designed elevation after overcoming the frictional resistance of the well wall by the self gravity, then concrete is adopted to seal the bottom and fill the well hole, so that the open caisson can be used as a working well for shield construction and pipe jacking construction, or can be used as a foundation for bridge abutment and other structures. The open caisson structure has high rigidity, great depth and good integrity, so that the open caisson structure is widely applied to various types of engineering.

In the traditional open caisson construction, the open caisson is sunk by the dead weight of the open caisson, the excavation of the earthwork runs through the whole construction process of the open caisson, manual excavation or small-sized mechanical excavation is generally adopted, and the excavation time is long. In addition, before the construction of the traditional open caisson, high-pressure jet grouting piles are generally required to be driven around the open caisson to prevent the collapse of the well wall in the excavation process from causing the collapse of the surrounding ground, and the construction of the high-pressure jet grouting piles can generate extra construction facility cost and time, so that the construction period of the open caisson is long, and the construction cost is high.

Disclosure of Invention

Aiming at the technical problems, the invention aims to provide a static pressure type open caisson machine, which is realized by adopting the following technical scheme for solving the technical problems:

a static pressure type open caisson machine comprises a first base, a second base, a connecting part and a clamping part,

the connecting part comprises a first supporting column, a second supporting column and connecting columns, and the number of the connecting parts is two;

in one connecting part, a first supporting column is fixedly connected to a first base, a second supporting column is fixedly connected to a second base, and the first supporting column and the second supporting column are connected through a connecting column;

in the other connecting part, a first supporting column is fixedly connected to the first base, a second supporting column is fixedly connected to the second base, and the first supporting column and the second supporting column are connected through a connecting column;

the clamping part comprises a first arc-shaped part, a second arc-shaped part, a first connecting block, a second connecting block and a third arc-shaped part, one end of the first arc-shaped part is hinged with one end of the second arc-shaped part, the other end of the second arc-shaped part is fixedly connected with the first connecting block, the other end of the first arc-shaped part is hinged with one end of the third arc-shaped part, the other end of the third arc-shaped part is fixedly connected with the second connecting block, the side wall of the second connecting block is provided with a groove, the inner wall of the groove is provided with a first motor and an arc-shaped sliding rail, one end of a first power output shaft on the first motor is fixedly connected with a first gear, the arc-shaped sliding rail is slidably connected with an arc-shaped sliding bar, the arc-shaped sliding bar is provided with first sawteeth, the first gear is meshed with the first sawteeth, and one end of the arc-shaped sliding bar is fixedly connected with the side wall of the first connecting block;

the side walls of the second arc-shaped part and the third arc-shaped part are fixedly connected with first connecting rods, one end of one first connecting rod is fixedly connected with a transmission box, a first electric telescopic rod and a second electric telescopic rod are arranged on the transmission box, one end of the first electric telescopic rod is connected with the second base through a first universal joint, the other end of the first electric telescopic rod is connected with the transmission box through a second universal joint, one end of the second electric telescopic rod is connected with one connecting column through a third universal joint, the other end of the second electric telescopic rod is connected with the transmission box through a fourth universal joint, and only one second electric telescopic rod is connected to each connecting column;

the fixing device comprises a case, a screw and a transmission mechanism are arranged in the case, a through hole is formed in the bottom of the case, the through hole is communicated with the inner cavity of the case and the outside of the case, the lower end of the screw penetrates through the through hole and extends to the ground, and the head of the upper end of the screw is abutted to the bottom of the inner cavity of the case.

Beneficially, drive mechanism includes second motor, carousel, axis of rotation and fixed strip, second motor, axis of rotation and fixed strip respectively the rigid coupling in quick-witted incasement wall, the second power output shaft one end rigid coupling on the second motor has the telescopic strip, telescopic strip one end rigid coupling has the runner, and the second motor passes through the elastic component and the runner is connected, and the rigid coupling has the promotion strip on the runner, and the carousel rotates to be connected in the axis of rotation, and the rigid coupling has fixed needle and fag end in the axis of rotation, and fag end one end rigid coupling has the heavy object, and fixed strip one end is equipped with the inclined plane.

Beneficially, the bottom of the case is fixedly connected with two limiting plates, and the two limiting plates are respectively arranged on two sides of the screw.

Advantageously, the first base side wall is connected with a roller in a rolling manner, and the roller is abutted against the first arc-shaped part side wall.

Advantageously, a power source connecting part is fixedly connected to the second base.

Advantageously, the weight is located directly above the screw.

Advantageously, said screw and said weight are both made of metal.

The invention has the following beneficial effects:

1. according to the invention, the arc-shaped sliding strip is indirectly driven to move through the work of the first motor, so that the ring surrounded by the first arc-shaped part, the second arc-shaped part and the third arc-shaped part is enlarged or reduced, and the protective sleeve is loosened or clamped;

2. the pile casing can be conveniently sunk underground through the first electric telescopic rod, the second universal joint, the third universal joint, the second electric telescopic rod and the fourth universal joint;

3. the static pressure type open caisson is conveniently and quickly fixed on the ground through the fixing device, manual fixing is not needed, and labor cost is saved;

4. the static pressure type open caisson machine provided by the invention has the advantages of more accurate open caisson position, higher verticality and high working efficiency, greatly reduces the construction period, does not need to drive high-pressure jet grouting piles, can prevent the surrounding ground from collapsing and reduces the construction cost.

Drawings

The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be obtained on the basis of the following drawings without inventive effort.

FIG. 1 is a front view of a hydrostatic open caisson of the invention;

FIG. 2 is a top plan view of FIG. 1 of the present invention;

FIG. 3 is an enlarged view of the invention at A in FIG. 2;

FIG. 4 is an internal block diagram of the fastening device of FIG. 1 according to the present invention;

FIG. 5 is a left side view of FIG. 4 of the present invention;

fig. 6 is a schematic structural view of the fixing strip of the present invention.

Reference numerals: the first base 1, the second base 2, the first support column 3, the second support column 4, the connection column 5, the case 6, the inner cavity 61, the through hole 62, the limiting plate 63, the screw 64, the second motor 65, the second power output shaft 651, the expansion bar 652, the elastic member 653, the rotating wheel 654, the push bar 655, the rotating disc 66, the fixing pin 661, the rotating shaft 662, the rope 663, the weight 67, the fixing bar 68, the inclined plane 681, the power source connecting portion 7, the roller 8, the transmission case 9, the first universal joint 10, the first electric telescopic rod 11, the second universal joint 12, the third universal joint 13, the second electric telescopic rod 14, the fourth universal joint 15, the first connecting rod 16, the first arc-shaped member 17, the second arc-shaped member 18, the first connecting block 19, the second connecting block 20, the groove 201, the arc-shaped slide rail 202, the arc-shaped slide bar 203, the first sawtooth 204, the first gear 205, the first power output shaft 206, and the third arc-shaped member 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be further noted that, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected through the insides of two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1-6, a static pressure type well sinking machine comprises a first base 1, a second base 2, a connecting part and a clamping part,

the connecting part comprises a first supporting column 3, a second supporting column 4 and a connecting column 5, and the number of the connecting parts is two;

in one connecting part, a first supporting column 3 is fixedly connected to a first base 1, a second supporting column 4 is fixedly connected to a second base 2, and the first supporting column 3 and the second supporting column 4 are connected through a connecting column 5;

in the other connecting part, a first supporting column 3 is fixedly connected to the first base 1, a second supporting column 4 is fixedly connected to the second base 2, and the first supporting column 3 and the second supporting column 4 are connected through a connecting column 5;

the clamping part comprises a first arc-shaped part 17, a second arc-shaped part 18, a first connecting block 19, a second connecting block 20 and a third arc-shaped part 21, one end of the first arc-shaped part 17 is hinged with one end of the second arc-shaped part 18, the other end of the second arc-shaped part 18 is fixedly connected with the first connecting block 19, the other end of the first arc-shaped part 17 is hinged with one end of the third arc-shaped part 21, the other end of the third arc-shaped part 21 is fixedly connected with the second connecting block 20, the side wall of the second connecting block 20 is provided with a groove 201, the inner wall of the groove 201 is provided with a first motor and an arc-shaped sliding rail 202, one end of a first power output shaft 206 on the first motor is fixedly connected with a first gear 205, the arc-shaped sliding rail 202 is slidably connected with an arc-shaped sliding bar 203, the arc-shaped sliding bar 203 is provided with first sawteeth 204, the first gear 205 is meshed with the sawteeth 204, and one end of the arc-shaped sliding bar 203 is fixedly connected with the side wall of the first connecting block 19;

the side walls of the second arc-shaped part 18 and the third arc-shaped part 21 are fixedly connected with first connecting rods 16, one end of one first connecting rod 16 is fixedly connected with a transmission box 9, a first electric telescopic rod 11 and a second electric telescopic rod 14 are arranged on the transmission box 9, one end of the first electric telescopic rod 11 is connected with the second base 2 through a first universal joint 10, the other end of the first electric telescopic rod 11 is connected with the transmission box 9 through a second universal joint 12, one end of the second electric telescopic rod 14 is connected with one connecting column 5 through a third universal joint 13, the other end of the second electric telescopic rod 14 is connected with the transmission box 9 through a fourth universal joint 15, and each connecting column 5 is only connected with one second electric telescopic rod 14;

the fixing device comprises a case 6, a screw 64 and a transmission mechanism are arranged in the case 6, a through hole 62 is formed in the bottom of the case 6, the through hole 62 is communicated with the inner cavity 61 of the case 6 and the outside of the case 6, the lower end of the screw 64 penetrates through the through hole 62 and extends to the ground, and the head of the upper end of the screw 64 is abutted against the bottom of the inner cavity 61 of the case 6.

The universal joints are parts for realizing variable-angle power transmission, so that the first universal joint 10, the second universal joint 12, the third universal joint 13 and the fourth universal joint 15 can realize variable-angle power transmission of parts.

According to an alternative embodiment of the present invention, the transmission mechanism includes a second motor 65, a rotating disc 66, a rotating shaft 662 and a fixing bar 68, the second motor 65, the rotating shaft 662 and the fixing bar 68 are respectively and fixedly connected to the inner wall of the casing 6, one end of a second power output shaft 651 on the second motor 65 is fixedly connected to a telescopic bar 652, one end of the telescopic bar 652 is fixedly connected to a rotating wheel 654, the second motor 65 is connected to the rotating wheel 654 through an elastic member 653, a pushing bar 655 is fixedly connected to the rotating wheel 654, the rotating disc 66 is rotatably connected to the rotating shaft 662, a fixing pin 661 and a string 663 are fixedly connected to the rotating shaft 662, one end of the string 663 is fixedly connected to a weight 67, and one end of the fixing bar 68 is provided with an inclined surface 681.

According to an alternative embodiment of the present invention, two limiting plates 63 are fixed to the bottom of the chassis 6, and the two limiting plates 63 are respectively disposed on two sides of the screw 64.

According to an alternative embodiment of the present invention, a roller 8 is connected to a side wall of the first base 1 in a rolling manner, and the roller 8 abuts against a side wall of the first arc-shaped member 17.

In an alternative embodiment of the present invention, a power source connecting portion 7 is fixed to the second base 2.

In an alternative embodiment of the invention, the weight 67 is located directly above the screw 64.

In an alternative embodiment according to the invention, both the screw 64 and the weight 67 are made of metal.

The implementation process comprises the following steps: and (3) positioning the static pressure open caisson machine, fixing the static pressure open caisson machine on the ground by using a fixing device, connecting a power source connecting part 7 with an external power source, wherein the external power source can be an excavator, and driving an oil cylinder of the static pressure open caisson machine to start working by using the hydraulic power of the excavator.

The first power output shaft 206 on the first motor rotates to drive the arc-shaped sliding strip 203 to slide along the arc-shaped sliding rail 202, the first connecting block 19 is jacked open, the principle of the first connecting block 19 and the second connecting block 20 is realized, the protective cylinder is placed in an annular center surrounded by the first arc-shaped part 17, the second arc-shaped part 18 and the third arc-shaped part 21, the first power output shaft 206 of the first motor is reversely rotated, the first connecting block 19 and the second connecting block 20 are close to each other, so that the first arc-shaped part 17, the second arc-shaped part 18 and the third arc-shaped part 21 clamp the protective cylinder, the two first electric telescopic rods 11 are controlled to repeatedly extend and shorten, the protective cylinder is rotated to generate cutting force and static pressure on the ground, the two second electric telescopic rods 14 are controlled to extend, the protective cylinder moves downwards to gradually sink into the ground, the excavator is used to dig away soil in the protective cylinder, the operation is repeated, and a plurality of protective cylinders are sunk into the ground, and after the casing at the lowest part is sunk to a preset depth, sealing the bottom by using concrete to ensure that no water or sand leaks, and finishing the open caisson construction.

The working principle of the fixing device is as follows: the screw 64 is placed in the through hole 62, the two limit plates 63 limit the screw 64, the screw 64 is prevented from displacing, the second motor 65 is started, the second power output shaft 651 drives the telescopic bar 652, the rotating wheel 654 and the pushing bar 655 to rotate, the pushing bar 655 pushes the fixing needle 661 so as to rotate the rotating disc 66, the rope belt 663 is gradually wound on the rotating disc 66, the heavy object 67 is driven by the rope belt 663 to move upwards, when the pushing bar 655 moves to abut against the inclined surface 681, the pushing bar 655 moves along the inclined surface 681, the telescopic bar 652 contracts, the pushing bar 655 is separated from abutting against the fixing pin 661, the weight 67 falls down under the action of gravity and is hammered on the screw 64, so that the lower end of the screw 64 enters the ground, the telescopic bar 652 contracts and then extends again under the action of the elastic force of the elastic member 653, so that the pushing bar 655 can push the fixing pin 661 again, the weight 67 is repeatedly hit against the screw 64 until the screw 64 fixes the cabinet 6 on the ground.

The first motor, the second motor 65, the first universal joint 10, the first electric telescopic rod 11, the second universal joint 12, the third universal joint 13, the second electric telescopic rod 14 and the fourth universal joint 15 are all universal standard components or components known to those skilled in the art, and the structure and principle of the components are known to those skilled in the art through technical manuals or through conventional experimental methods.

According to the invention, the arc-shaped sliding strip 203 is indirectly driven to move through the work of the first motor, so that the ring surrounded by the first arc-shaped part 17, the second arc-shaped part 18 and the third arc-shaped part 21 is enlarged or reduced, and a protection cylinder is loosened or clamped; the pile casing can be conveniently sunk underground through the first electric telescopic rod 11, the second universal joint 12, the third universal joint 13, the second electric telescopic rod 14 and the fourth universal joint 15; the static pressure type open caisson is conveniently and quickly fixed on the ground through the fixing device, manual fixing is not needed, and labor cost is saved; the static pressure type open caisson machine provided by the invention has the advantages of more accurate open caisson position, higher verticality and high working efficiency, greatly reduces the construction period, does not need to drive high-pressure jet grouting piles, can prevent the surrounding ground from collapsing and reduces the construction cost.

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