CN217870433U

CN217870433U - Well drilling and pipe lowering integrated equipment for water interception curtain construction

Info

Publication number: CN217870433U
Application number: CN202220973515.XU
Authority: CN
Inventors: 董斯超; 肖健; 陈理想
Original assignee: China State Construction Port Engineering Group Co Ltd
Current assignee: China State Construction Port Engineering Group Co Ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-11-22
Anticipated expiration: 2032-04-25

Abstract

The utility model discloses a water interception curtain construction is with drilling low tube integration equipment, including construction platform and the auger bit that is used for the well drilling, install outer tooth rotary support on the construction platform, the inner circle of outer tooth rotary support is fixed on construction platform, installs two supports that are symmetrically arranged on the outer lane top surface of outer tooth rotary support, installs the mechanism that drills down that is used for driving the auger bit rotation on one of them support, and the mechanism that drills down passes through the drilling rod with auger bit and is connected the transmission; the other bracket is provided with a clamping mechanism, a sleeve for being installed in a drilling well is arranged in the clamping mechanism, and the distance between the axis of the sleeve and the axis of the spiral drill bit to the axis of the external tooth rotary support is the same; the scheme is convenient and fast to operate, can be quickly placed into a well after the well drilling is completed, does not need manual contact in the process of well drilling and casing placement, reduces potential safety hazards when the accuracy of the well drilling and the casing placement is improved, improves the construction operation efficiency, and ensures the construction operation quality.

Description

Well drilling and pipe lowering integrated equipment for water interception curtain construction

Technical Field

The utility model relates to a foundation ditch construction technical field that intercepts water, concretely relates to intercept water curtain construction with well drilling low tube integration equipment.

Background

With the development of engineering industry, industrial land is increasingly tense, and in order to save land and meet production requirements, enterprises put part of equipment underground; before construction, foundation pit underground water control is needed, dry land construction conditions are created, and underground water control is generally performed by adopting a water interception curtain.

The current adopted water interception curtain types comprise a reinforced concrete underground continuous wall, a plastic concrete underground continuous wall and a concrete secant pile, and the main construction procedures are as follows: 1. drilling (a continuous wall adopts a grooving process, and an occlusive pile adopts a pore-forming process); 2. pouring concrete (if reinforcing steel bars exist, a reinforcing cage needs to be put in advance), and taking the concrete as a water-stopping material; by adopting the construction process, a sleeve needs to be put into the well after drilling so as to pour concrete into the well; this in-process needs drilling equipment to carry out the well drilling construction earlier, and the rethread is artifical puts into the sleeve pipe into the well drilling after the well drilling is accomplished, and this work progress needs many mechanical equipment to use in coordination to need the manual work to assist, when can't guarantee the sleeve pipe installation precision, also increased the potential safety hazard, still can lead to the efficiency of construction lower, construction quality is relatively poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the above-mentioned problem among the prior art, provided a cut water curtain construction with well drilling low tube integration equipment.

The technical scheme of the utility model is that:

a drilling and pipe lowering integrated device for water interception curtain construction comprises a construction platform and a spiral drill bit for drilling, and is characterized in that an external tooth rotary support is mounted on the construction platform, an inner ring of the external tooth rotary support is fixed on the construction platform, two symmetrically arranged supports are mounted on the top surface of an outer ring of the external tooth rotary support, a downward drilling mechanism for driving the spiral drill bit to rotate is mounted on one of the supports, and the downward drilling mechanism is connected with the spiral drill bit for transmission through a drill rod; and a clamping mechanism is arranged on the other support, a sleeve used for being installed in a drilling well is arranged in the clamping mechanism, and the distance from the axis of the sleeve to the axis of the external tooth rotary support is the same as that from the axis of the helical bit.

Preferably, a rotating mechanism is further installed on the construction platform, the rotating mechanism comprises a rotating motor and a first gear, the first gear is fixed on a rotating shaft of the rotating motor, and the first gear is in adaptive meshing with outer ring teeth of the outer tooth rotary support.

Preferably, a driving motor is arranged at the bottom of the support, the driving motor is fixedly connected with a vertically arranged screw, the screw is rotatably installed at the top of the support, and the drilling mechanism and the clamping mechanism are respectively installed on the screws in the two supports in a matched manner; the support is further fixedly provided with a vertically arranged sliding rail, and the drilling mechanism and the clamping mechanism are slidably mounted on the sliding rail.

Preferably, the drilling mechanism comprises a chassis and a drilling motor mounted on the chassis; a first sliding groove is formed in one side wall of the case and is slidably mounted on the sliding rail; a first threaded hole is formed in the case and is mounted in a matched manner with the screw; the drill pipe drilling machine is characterized in that a sleeve for mounting the drill pipe is arranged in the box of the machine box, the sleeve is rotatably mounted in the machine box, and the sleeve and the drilling motor are connected and driven through a gear set.

Preferably, the clamping mechanism comprises a mounting plate and clamping plates symmetrically arranged on the mounting plate, a second sliding groove is formed in one side wall of the mounting plate, and the second sliding groove is slidably arranged on the sliding rail; a second threaded hole is formed in the mounting plate and is mounted in a matched manner with the screw; the mounting plate is further symmetrically provided with fixing bolts, and the inner end of the clamping plate is rotatably mounted on the fixing bolts.

Preferably, install extension spring between the outer end inner wall of grip block, and be close to the position department of grip block outer end offers and is used for the laminating telescopic centre gripping groove, the diameter in centre gripping groove with telescopic diameter looks adaptation, and be provided with on the centre gripping groove with the cushion of sleeve contact.

The utility model has the advantages that:

the utility model provides a pair of cut water curtain construction with well drilling low tube integration equipment, the simple operation can be quick after the well drilling is accomplished lay the well drilling with the sleeve pipe in to lay the sheathed tube in-process in well drilling process and to the well, need not the manual contact, when improving the well drilling and laying the sleeve pipe precision, reduced the potential safety hazard, improved construction operating efficiency, ensured construction operation quality.

Drawings

FIG. 1 is a schematic view of the overall structure of the drilling and pipe-lowering integrated equipment for water interception curtain construction provided by the present invention;

FIG. 2 is the utility model provides a cut water curtain construction with local section structure schematic diagram of well drilling low tube integration equipment

FIG. 3 is an enlarged view of the portion A of FIG. 2;

fig. 4 is a schematic top view of the external tooth rotary support and the bracket provided by the present invention;

fig. 5 is a schematic top view of the drilling mechanism according to the present invention;

fig. 6 is a schematic top view of the sleeve according to the present invention;

fig. 7 is a schematic top view of the clamping mechanism according to the present invention;

FIG. 8 is a schematic view of the pipe-releasing process of the clamping mechanism;

FIG. 9 is a schematic view of a wedge structure used for releasing the pipe by the clamping mechanism;

in the figure, 1, a construction platform;

2. the outer teeth are rotatably supported;

3. a support; 31. a steel cord; 32. a drive motor; 33. a screw; 34. a first bearing; 35. a slide rail;

4. a rotating mechanism; 41. rotating the motor; 42. a first gear;

5. a drill-down mechanism; 51. a chassis; 52. a sleeve; 521. mounting holes; 522. a limiting groove; 53. a drill-down motor; 54. a second gear; 55. a third gear; 56. a second bearing; 57. a through hole; 58. a first threaded hole; 59. a first sliding chute;

6. a drill stem; 61. a limiting strip; 62. a connector;

7. a helical drill bit;

8. a sleeve;

9. a clamping mechanism; 91. mounting a plate; 911. a second threaded hole; 912. a second chute; 92. a clamping plate; 921. a clamping groove; 922. a rubber pad; 93. a fixing bolt; 94. an extension spring; 95. and (4) wedge blocks.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects of the present invention to be solved clearer, the present invention will be further described with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.

It is to be understood that the terms "horizontal, vertical, top, bottom, two sides, above, below, symmetrical" and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and to simplify the description, and are not intended to indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.

As shown in fig. 1 to 9, the utility model provides a cut water curtain construction with well drilling low tube integration equipment, including construction platform 1 and auger bit 7 that is used for the well drilling, wherein, install horizontal setting's external tooth rotary support 2 on construction platform 1, the inner circle of external tooth rotary support 2 is fixed on the top surface of construction platform 1, relative rotation between the outer lane of external tooth rotary support 2 and its inner circle, install two supports 3 that set up vertically on the outer lane top surface of external tooth rotary support 2, the bottom surface of support 3 is fixed on the top surface of external tooth rotary support 2, and two supports 3 set up about the axis symmetry of external tooth rotary support 2; in addition, a drilling mechanism 5 and a clamping mechanism 9 are respectively arranged on the two brackets 3, wherein the drilling mechanism 5 is connected with a spiral drill bit 7 through a vertically arranged drill rod 6 and is used for driving the spiral drill bit 7 to rotate for drilling construction; in addition, a vertically arranged sleeve 8 is installed in the clamping mechanism 9, the distance between the axis of the sleeve 8 and the axis of the auger bit 7 to the axis of the external tooth rotary support 2 is the same, and the inner diameter of the sleeve 8 is consistent with the outer diameter of the helical blade of the auger bit 7; after the auger bit 7 finishes drilling under the drive of the drilling mechanism 5, the outer ring of the outer tooth rotary support 2 rotates to exchange the positions of the two supports 3, at the moment, the auger bit 7 leaves the drilling position, the sleeve 8 moves to the position above the drilling well, and the sleeve 8 is placed into the drilling well through the clamping mechanism 9.

Further, as shown in fig. 1 and fig. 2, in a specific embodiment, a rotating mechanism 4 for driving an outer ring of the external tooth slewing bearing 2 to rotate is further mounted on the construction platform 1, the rotating mechanism 4 includes a rotating motor 41 and a first gear 42, the rotating motor 41 is mounted on the construction platform 1, the first gear 42 is fixedly mounted on a rotating shaft of the rotating motor 41, and the first gear 42 is in fit engagement with an outer ring tooth of the external tooth slewing bearing 2; the first gear 42 is driven to rotate by rotating the motor 41, and under the action of meshing of the first gear 42 and the outer ring of the outer tooth rotary support 2, the first gear 42 drives the outer ring of the outer tooth rotary support 2 to rotate, so that the positions of the two supports 3 are adjusted, and the position adjustment of the auger bit 7 and the sleeve 8 is realized.

It should be noted that, as shown in fig. 2 to 4, in a specific embodiment, a driving motor 32 is installed at the bottom of the bracket 3, a vertically arranged screw rod 33 is installed on the driving motor 32, the bottom end of the screw rod 33 is fixedly connected with a rotating shaft of the driving motor 32, the top end of the screw rod 33 is rotatably installed at the top of the bracket 3 through a first bearing 34, and the driving motor 32 drives the screw rod 33 to rotate; in addition, the drilling mechanism 5 and the clamping mechanism 9 are respectively installed on the screw rods 33 in the two brackets 3 in a matching manner, and the drilling mechanism 5 and the clamping mechanism 9 are driven to move by the rotation of the screw rods 33; in addition, still install the slide rail 35 of vertical setting on support 3, slide rail 35 is located one side of support 3 to the length of slide rail 35 is unanimous with the height of support 3, and the mechanism 5 that drills down installs on slide rail 35 with fixture 9 adaptation, drives mechanism 5 and fixture 9 that drills down through screw rod 33, makes it carry out displacement from top to bottom along the direction of slide rail 35, has realized that mechanism 5 that drills down drives auger bit 7 decline well drilling, and fixture 9 transfers the sleeve pipe 8 to well drilling in.

Further, as shown in fig. 2, fig. 5 and fig. 6, in a specific embodiment, the drill-down mechanism 5 includes a casing 51 and a drill-down motor 53 installed outside the casing 51, wherein a sliding slot one 59 is provided on a side wall of the casing 51, the sliding slot one 59 is adapted to the sliding rail 35 and is slidably installed on the sliding rail 35, so that the casing 51 moves along the sliding rail 35; a first threaded hole 58 is formed in the case 51, the first threaded hole 58 is installed in a matched manner with the screw 33, the screw 33 penetrates through the first threaded hole 58, and when the driving motor 32 drives the screw 33 to rotate, the case 51 moves on the slide rail 35 through meshing transmission between the screw 33 and the first threaded hole 58; in addition, a sleeve 52 for installing the drill rod 6 is arranged in the case 51, the upper end and the lower end of the sleeve 52 are rotatably installed in the case 51 through a second bearing 56, and the sleeve 52 and the drill-down motor 53 are in connection transmission through a gear set, wherein the gear set comprises a second gear 54 and a third gear 55 which are in fit engagement, the second gear 54 is fixedly sleeved on the outer wall of the sleeve 52, the third gear 55 is fixedly installed on a rotating shaft of the drill-down motor 53, the third gear 55 is driven by the drill-down motor 53 to rotate, the third gear 55 drives the second gear 54 to rotate, and the second gear 54 drives the sleeve 52 to rotate together, so that rotary drilling of the drill rod 6 and the spiral drill bit 7 is realized; in addition, symmetrical limiting grooves 522 are formed in the inner side wall of the mounting hole 521 of the sleeve 52 for mounting the drill rod 6, and the limiting grooves 522 are vertically arranged and penetrate through the top surface and the bottom surface of the sleeve 52; the outer wall of the drill rod 6 is fixedly provided with the limiting strip 61 which is installed in a matched mode with the limiting groove 522, and the sleeve 52 can better drive the drill rod 6 to rotate in the rotating process through limiting installation between the limiting groove 522 and the limiting strip 61, so that the relative rotation friction between the drill rod 6 and the sleeve 52 is avoided, the transmission efficiency is improved, and the service life of the device is guaranteed; it should be further noted that through holes 57 are formed in both the upper end surface and the lower end surface of the chassis 51, the through holes 57 are coaxially arranged with the mounting hole 521 in the sleeve 52, the diameter of the through hole 57 is greater than the maximum width of the drill rod 6 and the limiting strip 61 and smaller than the maximum outer diameter of the sleeve 52, after the drill rod 6 passes through the through hole 57 and is mounted in the sleeve 52, the bottom end of the drill rod 6 is fixedly connected with the auger bit 7 through the connector 62 for driving the auger bit 7 to rotate.

It should be noted that, as shown in fig. 2 and fig. 7, in the specific embodiment, the clamping mechanism 9 includes a horizontally disposed mounting plate 91, and two clamping plates 92 symmetrically disposed on the top surface of the mounting plate 91, wherein a second sliding slot 912 is disposed on a side wall of the mounting plate 91, the second sliding slot 912 is adapted to the sliding rail 35 and is slidably mounted on the sliding rail 35, so that the mounting plate 91 moves along the sliding rail 35; in addition, a threaded hole II 911 is formed in the mounting plate 91, the threaded hole II 911 is installed in a matched manner with the screw 33, the screw 33 penetrates through the threaded hole II 911, and when the driving motor 32 drives the screw 33 to rotate, the mounting plate 911 moves on the sliding rail 35 through mutual meshing between the screw 33 and the threaded hole II 911, so that the clamping plate 9 is driven to move; in addition, two symmetrically arranged fixing bolts 93 are fixed on the mounting plate 91, and the inner ends of the two clamping plates 92 are respectively rotatably mounted on the two fixing bolts 93 and rotate along the fixing bolts 93 to clamp and clamp the sleeve 8.

Further, as shown in fig. 7, in a specific embodiment, an extension spring 94 is installed between inner walls of outer ends of the clamping plates 92, and two ends of the extension spring 94 are respectively fixed on inner walls of the two clamping plates 92, so as to adjust an outer end distance between the two clamping plates 92 and clamp the casing 8; in addition, a clamping groove 921 is formed in the position, close to the outer end, of the clamping plate 92, the diameter of the clamping groove 921 is matched with that of the sleeve 8, the sleeve 8 is clamped in a limiting mode through the clamping groove 921, the sleeve 8 is stabilized in the clamping groove 921, and the situation that the sleeve 8 rotates in a deviating mode is avoided; in addition, be fixed with the cushion 922 on the inside wall of centre gripping groove 921, the outer wall of cushion 922 and sleeve pipe 8 contacts for improve the frictional force between grip block 92 and the sleeve pipe 8, be that grip block 92 can be better carry out the centre gripping to sleeve pipe 8, avoid appearing the condition of droing.

Further, as shown in fig. 8 and 9, in the embodiment, after the casing 8 is placed into the borehole by the clamping mechanism 9, a wedge 95 is installed between the two clamping plates 92, the wedge 95 is in an isosceles trapezoid structure, the two clamping plates 92 are pushed by the inclined surfaces of the wedge 95, so that the clamping plates 92 rotate around the fixing bolts 93, and the distance between the clamping grooves 921 on the two clamping plates 92 is adjusted, thereby achieving the separation between the clamping plates 92 and the casing 8.

The utility model discloses a working process and principle:

before the construction begins, firstly, a drill rod 6 is installed in a sleeve 52, the top end of a spiral drill bit 7 is installed on a connector 62 at the bottom end of the drill rod 6, then a sleeve 8 is installed in a clamping mechanism 9, a rotating motor 41 is started to drive the outer ring of an external tooth rotary support 2 to rotate, the positions of the spiral drill bit 7 and the sleeve 8 are adjusted, when the spiral drill bit 7 moves to the position above a position needing drilling, the rotating motor 41 is closed, then a driving motor 32 in a support 3 provided with a drilling mechanism 5 and a drilling motor 53 in the driving mechanism 5 are started, so that the spiral drill bit 7 rotates and falls to drill; after drilling, the driving mechanism 5 returns to the initial position on the bracket 3, then the rotating motor 41 is started again to drive the outer ring of the external tooth rotary support 2 to rotate for a half circle, so that the sleeve 8 is positioned right above the drilled well, the rotating motor 41 is turned off, then the driving motor 32 on the bracket 3 provided with the clamping mechanism 9 is started to drive the clamping mechanism 9 to move downwards, the sleeve 8 is placed into the drilled well, after the sleeve 8 is completely placed into the drilled well, the wedge block 95 is arranged on the clamping mechanism 9, the distance between the two clamping plates 92 is adjusted to be larger and separated from the surface of the sleeve 8, finally the clamping mechanism 9 is moved upwards to reset, materials are injected into the sleeve 8, and construction is completed.

The foregoing description of the specific embodiments of the present invention has been presented for the purposes of illustration and description and is not intended to limit the invention to the precise form disclosed, and it is apparent that numerous changes and modifications may be made in the foregoing description, the examples having been selected and described to illustrate the specific principles and practical application of the invention, to thereby enable one skilled in the art to make and use the invention in various embodiments and with various modifications. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims

1. A drilling and pipe lowering integrated device for water interception curtain construction comprises a construction platform (1) and a spiral drill bit (7) for drilling, and is characterized in that an external tooth rotary support (2) is mounted on the construction platform (1), the inner ring of the external tooth rotary support (2) is fixed on the construction platform (1), two symmetrically-arranged supports (3) are mounted on the top surface of the outer ring of the external tooth rotary support (2), a pipe lowering mechanism (5) for driving the spiral drill bit (7) to rotate is mounted on one support (3), and the pipe lowering mechanism (5) and the spiral drill bit (7) are in transmission connection through a drill rod (6); and a clamping mechanism (9) is installed on the other support (3), a sleeve (8) used for being installed in a drilling well is arranged in the clamping mechanism (9), and the distance between the axis of the sleeve (8) and the axis of the auger bit (7) to the axis of the external tooth rotary support (2) is the same.

2. The integrated drilling and lowering equipment for the intercepting water curtain construction is characterized in that a rotating mechanism (4) is further installed on the construction platform (1), the rotating mechanism (4) comprises a rotating motor (41) and a first gear (42), the first gear (42) is fixed on a rotating shaft of the rotating motor (41), and the first gear (42) is in fit engagement with outer ring teeth of the outer tooth rotary support (2).

3. The well drilling and pipe lowering integrated equipment for intercepting water curtain construction is characterized in that a driving motor (32) is arranged at the bottom of the support (3), a vertically arranged screw rod (33) is fixedly connected to the driving motor (32), the screw rod (33) is rotatably installed at the top of the support (3), and the pipe lowering mechanism (5) and the clamping mechanism (9) are respectively installed on the screw rods (33) in the two supports (3) in a matching mode; the support (3) is further fixedly provided with a vertically arranged sliding rail (35), and the lower drilling mechanism (5) and the clamping mechanism (9) are slidably mounted on the sliding rail (35).

4. The well drilling and pipe lowering integrated equipment for water interception curtain construction according to claim 3, wherein said drilling mechanism (5) comprises a cabinet (51) and a drilling motor (53) mounted on said cabinet (51); a first sliding groove (59) is formed in one side wall of the case (51), and the first sliding groove (59) is slidably mounted on the sliding rail (35); a first threaded hole (58) is formed in the case (51), and the first threaded hole (58) is mounted with the screw (33) in an adaptive mode; a sleeve (52) used for installing the drill rod (6) is arranged in the box of the machine box (51), the sleeve (52) is rotatably installed in the machine box (51), and the sleeve (52) and the drilling motor (53) are connected and driven through a gear set.

5. The integrated drilling and pipe-lowering equipment for water interception curtain construction according to claim 3, wherein said clamping mechanism (9) comprises a mounting plate (91) and a clamping plate (92) symmetrically arranged on said mounting plate (91), a second sliding groove (912) is arranged on one side wall of said mounting plate (91), and said second sliding groove (912) is slidably mounted on said sliding rail (35); a second threaded hole (911) is formed in the mounting plate (91), and the second threaded hole (911) is mounted with the screw (33) in an adaptive mode; still the symmetry is provided with gim peg (93) on mounting panel (91), the inner of grip block (92) is rotated and is installed on gim peg (93).

6. The well drilling and pipe descending integrated equipment for the water interception curtain construction is characterized in that an extension spring (94) is installed between the inner walls of the outer ends of the clamping plates (92), a clamping groove (921) for fitting the casing pipe (8) is formed in the position close to the outer end of the clamping plate (92), the diameter of the clamping groove (921) is matched with that of the casing pipe (8), and a rubber pad (922) which is in contact with the casing pipe (8) is arranged on the clamping groove (921).