CN219691475U

CN219691475U - Long spiral drilling machine for complex geological CFG pile construction

Info

Publication number: CN219691475U
Application number: CN202321294548.2U
Authority: CN
Inventors: 刘延锋; 王贵; 党玉龙; 程晔; 孙军利
Original assignee: Shaanxi Construction Engineering Infrastructure Group Co ltd
Current assignee: Shaanxi Construction Engineering Infrastructure Group Co ltd
Priority date: 2023-05-25
Filing date: 2023-05-25
Publication date: 2023-09-15
Anticipated expiration: 2033-05-25

Abstract

The utility model relates to a long spiral drilling machine for complex geological CFG pile construction, which relates to the technical field of drilling equipment and comprises a frame, a connecting device and a connecting rod; the connecting device comprises a mounting box, an extrusion block and a sliding block, wherein the mounting box is rotationally connected with the frame, the extrusion block and the sliding block are both positioned in an inner cavity of the mounting box, a through hole is formed in the bottom wall of the mounting box in a penetrating manner, a connecting rod is arranged in the through hole in a penetrating manner, a sliding groove is formed in the inner cavity of the mounting box, the extrusion block slides along the mounting box and is abutted to the sliding block, so that the sliding block slides along the sliding groove, and the connecting rod is extruded and fixed on the side wall of the through hole; the sliding block is provided with a plug-in rod, the connecting rod is provided with a plug-in groove, and the plug-in groove is used for accommodating the plug-in rod. The utility model has the advantages of improving the connection stability between the connecting rod and the drilling machine and improving the working efficiency of operators when the drill bit is replaced while being convenient to detach between the connecting rod and the drilling machine.

Description

Long spiral drilling machine for complex geological CFG pile construction

Technical Field

The utility model relates to the technical field of drilling equipment, in particular to a long spiral drilling machine for complex geological CFG pile construction.

Background

The drilling machine is used as a driving structure in ground drilling equipment, and the drilling equipment or the bottom hole device at the bottom of a drilled hole is driven to rotate by driving the connecting rod to rotate, so that the connecting rod can convey drilling mud to the drill bit, and meanwhile, the drill bit is driven to synchronously rise or fall. The operation place of drilling probably is the suburb place, can exist certain difference between the geology, runs into geology comparatively complicated geology when meetting geology, is mingled with stone materials such as pebble layer and bed stone among them, can produce certain wearing and tearing to the drill bit of rig, if not in time change, can reduce the efficiency of construction.

Among the related art, disclosed in the application file of publication No. 202120067162.2 is a rock drill convenient to change drill bit, and it mainly includes organism, connecting piece and drill bit, and the both ends of organism are equipped with the handle, and the bottom of connecting piece is equipped with the spout, and the inner chamber of spout is equipped with the spring, and one side of spring is equipped with the latch, and the latch is kept away from the one end of slider and is equipped with the cassette.

To the relevant technique among the above-mentioned, connect through the cooperation of draw-in groove and bayonet lock between organism and the drill bit, when carrying out drilling operation to stone materials such as pebble layer and bed stone in the geology, can produce great vibrations, can lead to the structure of bayonet lock to produce certain damage when serious, and then reduce the connection stability to drill bit or connecting rod, need change the drill bit this moment to guarantee normal work efficiency.

Disclosure of Invention

In order to facilitate the disassembly between the connecting rod and the drilling machine, improve the connection stability between the connecting rod and the drilling machine and improve the working efficiency of operators when the drill bit is replaced, the utility model provides the long spiral drilling machine for the construction of the complex geological CFG pile.

The utility model provides a long spiral drilling machine for complex geological CFG pile construction, which adopts the following technical scheme:

a long spiral drilling machine for complex geological CFG pile construction comprises a frame, a connecting device and a connecting rod;

the connecting device comprises a mounting box, an extrusion block and a sliding block, wherein the mounting box is rotationally connected with the frame, the extrusion block and the sliding block are both positioned in an inner cavity of the mounting box, a through hole is formed in the bottom wall of the mounting box in a penetrating manner, the connecting rod penetrates through the through hole, a sliding groove is formed in the inner cavity of the mounting box, the extrusion block slides along the mounting box and is abutted to the sliding block, so that the sliding block slides along the sliding groove, and the connecting rod is extruded and fixed on the side wall of the through hole; the sliding block is provided with a plug-in rod, the connecting rod is provided with a plug-in groove, and the plug-in groove is used for accommodating the plug-in rod.

Through adopting above-mentioned technical scheme, operating personnel when carrying out the installation of connecting rod, wear to locate the inner chamber of through-hole with the connecting rod at first, drive extrusion piece is along the inner chamber of mounting box sliding this moment, extrusion piece and sliding block contact, extrusion piece continues to follow vertical direction and slides afterwards, and the sliding block receives extrusion effect of extrusion piece this moment, and horizontal direction slip is done along the spout to make tip butt in the lateral wall of connecting rod, and be fixed in the lateral wall of through-hole with the connecting rod, can with connecting rod fixed mounting box. And then the mounting box rotates along the frame to drive the connecting rod to rotate along the frame and drive the drill bit to drill the soil, so that the drill hole meeting the condition is drilled. When operating personnel need change drill bit or connecting rod, operating personnel can make the extrusion piece lose the extrusion to the sliding block through the upward movement of drive extrusion piece, and the sliding block is followed the spout and is slided towards the direction of keeping away from the through-hole afterwards, loosens the extrusion to the connecting rod, takes off the connecting rod simultaneously, changes. Can improve the fixed stability to the connecting rod, improve the change efficiency of connecting rod simultaneously, save time.

Optionally, a spring is arranged in the inner cavity of the chute, one end of the spring is fixedly connected with the mounting box, and the other end of the spring is fixedly connected with the sliding block.

Through adopting above-mentioned technical scheme, the extrusion piece is when not contacting and extruding with the sliding block, and the spring is in former length, and when extrusion piece and sliding block contact, the sliding block receives the extrusion of extrusion piece to when sliding along the sliding tray, the tensile extension of spring atress, sliding block and connecting rod contact this moment, and carry out spacingly to the connecting rod. When the connecting rod needs to be replaced, the extrusion block does not extrude the sliding block, the sliding block can slide along the sliding groove, the spring is restored to be long at the moment, the sliding block is driven to slide in the direction away from the through hole, and the connecting rod can be replaced.

Optionally, the connecting device further comprises a screw rod, wherein the screw rod is located in the inner cavity of the installation box, and the screw rod is in threaded connection with the extrusion block.

Through adopting above-mentioned technical scheme, the screw rod is rotatory along the mounting box, extrusion piece and screw threaded connection for the extrusion piece is at the rotatory in-process along with the screw rod, slides along the length direction of screw rod, and then realizes the extrusion or the relaxation to the sliding block, and then control is to the extrusion or the relaxation of connecting rod.

Optionally, the bottom wall of the mounting box is provided with a placing groove in a penetrating manner along the vertical direction, the placing groove is communicated with the through hole, an inner cavity of the placing groove is provided with a limiting piece, the limiting piece is fixedly connected with the mounting box, the limiting piece extends to the inner cavity of the through hole, and an installation gap is reserved between one end of the limiting piece, which is far away from the through hole, and the side wall of the placing groove; the lateral wall of connecting rod is equipped with accomodates the groove, accomodate the groove and be used for holding spacing piece.

Through adopting above-mentioned technical scheme, operating personnel when carrying out the change of connecting rod, operating personnel at first place the connecting rod in the inner chamber of installation clearance, make the storage tank of connecting rod agree with mutually with spacing piece simultaneously, make the connecting rod slide along the standing groove, and the connecting rod is unchangeable for the height of mounting box. The limiting piece extends to the inner cavity of the through hole, so that the connecting rod enters the inner cavity of the through hole, the sliding moving block is driven to slide towards the direction close to the connecting rod, and when the connecting rod is fixed to the mounting box, the height of the mounting box is still unchanged, and further a better clamping effect is obtained.

Optionally, the connecting device further includes an abutting ring, the abutting ring with the spout is located respectively the both sides of through-hole axis direction, the abutting ring with mounting box fixed connection, the inner wall of abutting ring is equipped with the spacer, the connecting rod is equipped with the constant head tank, the constant head tank is used for holding the spacer.

Through adopting above-mentioned technical scheme, butt ring and mounting box fixed connection, the connecting rod is by standing groove to the gliding in-process of through-hole, and the spacer of butt ring inserts the constant head tank on the connecting rod gradually, and the sliding block is in the lateral wall of butt connecting rod, pushes the spacer into the inner chamber of constant head tank, further is fixed in the mounting box with the drill pipe, improves the connection stability of connecting rod and mounting box, reduces the connecting rod and has the risk of landing along vertical direction.

Optionally, the device further comprises a protection component, wherein the protection component is arranged on the bottom wall of the mounting box, the protection component comprises a telescopic rod, one end of the telescopic rod is rotationally connected with the mounting box, the other end of the telescopic rod is provided with a fixed block, and the fixed block is fixedly connected with the telescopic rod; the connecting rod lateral wall is equipped with the spacing groove, the spacing groove is used for holding the fixed block.

Through adopting above-mentioned technical scheme, after the connecting rod is fixed in the mounting box, in order to prevent that connecting rod and mounting box from taking place to break away from suddenly, and cause the potential safety hazard. At this time, the operator adjusts the angle and the length of the telescopic rod, and makes the fixed block far away from one end of the installation box placed in the limit groove of the connecting rod, even if the fixed block breaks away from the limit groove, the connecting rod can be limited by the cooperation between the fixed block and the limit groove, and then the connecting rod is prevented from collapsing and dangerous.

Optionally, an elastic pad is arranged on the top wall of the fixed block, and the elastic pad is fixedly connected with the fixed block.

Through adopting above-mentioned technical scheme, when the connecting rod falls along vertical direction, the fixed block contacts with the roof of spacing groove, can carry out spacingly to the connecting rod, prevents that the connecting rod from further falling. The existence of the elastic pad can reduce the impact of the connecting rod on the fixed block and the telescopic rod, thereby prolonging the service lives of the telescopic rod and the fixed block

Optionally, the protection component is equipped with two, and is located the both sides of connecting rod axis direction respectively.

Through adopting above-mentioned technical scheme, the protection subassembly is equipped with two, can protect the connecting rod from a plurality of aspects, further improves the protection effect to the connecting rod, improves the security, and operating personnel is to life safety around the protection.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. through setting up connecting device for operating personnel can support tight and loosen the connecting rod through supporting the extrusion and the slip of tight subassembly and extrusion piece, and then be convenient for operating personnel take off and install connecting rod and drill bit, improve operating personnel's change efficiency;

2. through setting up butt spare and spacing piece, can carry out vertical spacing to the installation of connecting rod, prevent that the connecting rod from taking place vertical displacement at the in-process of installation, and then reduce locking effect;

3. through setting up protection component, the telescopic link articulates with the mounting box, and the fixed block can prevent the landing of connecting rod along vertical direction, carries out fore-and-aft protection to it, prevents that the connecting rod slope from leading to the emergence of injury people accident.

Drawings

FIG. 1 is a schematic view of the overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of a mounting box;

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

FIG. 4 is a schematic illustration of a connecting rod configuration;

fig. 5 is an enlarged schematic view of portion B of fig. 1.

Reference numerals: 1. a frame; 11. a driving member; 2. a connecting device; 21. a mounting box; 211. a through hole; 212. a placement groove; 213. a limiting piece; 214. a chute; 215. a spring; 22. an abutment; 221. a support rod; 222. an abutment ring; 223. a positioning sheet; 23. a tightening assembly; 231. a motor; 232. a screw; 233. extruding a block; 234. a sliding block; 235. inserting a connecting rod; 236. a cushion pad; 3. a connecting rod; 31. a plug-in groove; 32. a positioning groove; 33. a storage groove; 34. a limit groove; 4. a drill bit; 5. a protection component; 51. a telescopic rod; 52. a fixed block; 53. an elastic pad.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-5.

The embodiment of the utility model discloses a long spiral drilling machine for complex geological CFG pile construction.

Referring to fig. 1, a long auger drilling machine for construction of a complex geological CFG pile comprises a frame 1, a connecting device 2, a connecting rod 3, a drill bit 4 and a protection assembly 5.

Referring to fig. 1, a frame 1 is mounted on an engineering truck, in this embodiment, a track is disposed at the bottom of the engineering truck, a lifting plate is disposed at the end of the engineering truck, the lifting plate can slide along a guide rail at the engineering truck, a driving member 11 is disposed at the lifting plate, and the driving member 11 is fixedly connected with the lifting plate by means of screw fixation.

Referring to fig. 1, 2 and 3, the connecting device 2 includes a mounting box 21, in this embodiment, the mounting box 21 is preferably a hollow cylindrical box body, the mounting box 21 is horizontally placed, and the top wall and the bottom wall of the mounting box 21 are all coaxially penetrated along the vertical direction and provided with a through hole 211, the output end of the driving element 11 is penetrated through the through hole 211 of the top wall of the mounting box 21, and the mounting box 21 is coaxially and fixedly connected with the output end of the driving element 11 in a key connection manner. The diapire of mounting box 21 runs through along vertical direction and is equipped with standing groove 212, and the width of standing groove 212 is unanimous and standing groove 212 and through-hole 211 intercommunication with the diameter of through-hole 211, and the inner chamber of standing groove 212 is equipped with two spacing pieces 213, and two spacing pieces 213 are located the both sides of standing groove 212 length direction respectively and extend to the inner chamber of through-hole 211, and spacing piece 213 passes through welded mode and mounting box 21 fixed connection. In the present embodiment, the limiting piece 213 does not completely penetrate the placement groove 212 and leaves an installation gap with one end of the placement groove 212 away from the through hole 211.

Referring to fig. 2 and 3, the connecting device 2 further includes an abutting member 22 and an abutting assembly 23, the abutting member 22 and the abutting assembly 23 are both installed in the inner cavity of the installation box 21 and are respectively located at two sides of the axial direction of the through hole 211, the abutting member 22 includes a supporting rod 221 and an abutting ring 222, the supporting rod 221 and the abutting ring 222 are vertically placed, in this embodiment, the abutting ring 222 is preferably a semicircular ring, the abutting ring 222 and the through hole 211 are coaxially arranged, the supporting rod 221 is located at the axial line of the abutting ring 222, one end of the supporting rod 221 is fixedly connected with the outer wall of the abutting ring 222 in a welding manner, and the other end of the supporting rod 221 is fixedly connected with the installation box 21 in a welding manner. The inner wall of the abutting ring 222 is provided with two positioning pieces 223, the two positioning pieces 223 are horizontally arranged and are respectively positioned at two sides of the length direction of the supporting rod 221, and the positioning pieces 223 are fixedly connected with the abutting ring 222 in a welding mode.

Referring to fig. 2 and 3, the abutting assembly 23 includes a motor 231, a screw 232 and a pressing block 233, in this embodiment, the motor 231 is preferably a servo motor 231, a housing of the motor 231 is fixedly connected with the mounting box 21 in a screw fixing manner, an axial direction of a driving axis of the motor 231 is vertical, the screw 232 is vertically disposed, and the screw 232 is coaxially and fixedly connected with an output shaft of the motor 231 in a key connection manner. In this embodiment, the extrusion block 233 is preferably a right triangle block, wherein any right angle side is horizontally arranged, a through groove is penetrated and arranged along the vertical direction, a lead screw nut is arranged in the inner cavity of the through groove, the lead screw nut and the extrusion block 233 are fixedly connected with the extrusion block 233 in a screw fixing manner, and are in threaded connection with the screw 232, and the other right angle side is located at one side of the inclined side far away from the through hole 211.

Referring to fig. 2 and 3, the abutment assembly further includes a sliding block 234, in this embodiment, the sliding block 234 is preferably a right trapezoid block, the sliding block 234 is horizontally disposed, an inclined surface of the sliding block 234 is consistent with an inclined surface of the pressing block 233, and the inclined surface of the moving block is always in contact with the inclined surface of the pressing block 233. The diapire of mounting box 21 is equipped with spout 214 along the horizontal direction, and the length direction of spout 214 and bracing piece 221 is horizontal and perpendicular to the length direction of standing groove 212, and in this embodiment, spout 214 prefers T type groove, and slider 234 is located the inner chamber of spout 214 and can follow spout 214 and slide, and the inner chamber of spout 214 is equipped with spring 215, and spring 215 level sets up, and the one end of spring 215 passes through screw fixation's mode and mounting box 21 fixed connection, the other end and slider 234 fixed connection. The vertical surface of the sliding block 234 is provided with a plugging rod 235 and a buffer pad 236, and the plugging rod 235 is horizontally arranged and fixedly connected with the sliding block 234 in a welding manner. The buffer pad 236 is sleeved on the insertion rod 235 and fixedly connected with the sliding block 234 by a screw fixing manner.

Referring to fig. 2, 3 and 4, the connecting rods 3 are provided with a plurality of through holes 211 which are vertically arranged and penetrate through the bottom wall of the mounting box 21, the connecting rods 3 are sequentially arranged along the vertical direction, and two adjacent connecting rods 3 are coaxially and fixedly connected through a coupler. The drill bit 4 is coaxially fixed to the lowermost connecting rod 3 by means of a coupling. The one end that drill bit 4 was kept away from to connecting rod 3 is equipped with jack-in groove 31, two constant head tanks 32 and two storage tanks 33 along the horizontal direction, and jack-in groove 31 is used for holding jack-in rod 235, and constant head tank 32 and jack-in groove 31 are located the both sides of connecting rod 3 axis direction respectively, and are located same height, and two constant head tanks 32 are located the both sides of connecting rod 3 axis direction respectively, and every constant head tank 32 is used for holding a spacer 223. The two receiving grooves 33 are respectively located at two sides of the horizontal axis of the connecting rod 3, and are respectively used for receiving the limiting pieces 213. The distance between the receiving groove 33 and the drill 4 is slightly smaller than the distance between the insertion groove 31 and the drill 4.

Referring to fig. 1, 2 and 5, the device further comprises a protection component 5, the protection component 5 is provided with two protection components, the protection component 5 is installed at the through hole 211 at the bottom of the installation box 21 and respectively arranged at two sides of the axis of the through hole 211, the protection component 5 comprises a telescopic rod 51, in the embodiment, the telescopic rod 51 is preferably used for damping the telescopic rod 51, one end of the telescopic rod 51 is rotatably connected with the installation box 21 through a torsion spring hinging seat, the other end of the telescopic rod 51 is provided with a fixed block 52, and the fixed block 52 is fixedly connected with the telescopic rod 51 through a screw fixing mode. Limiting grooves 34 are formed in the vertical direction on two sides of the axis direction of the connecting rod 3, and each limiting groove 34 is used for accommodating one fixing block 52. The top of the fixed block 52 is provided with an elastic pad 53, and the elastic pad 53 is fixedly connected with the fixed block 52 through a screw.

The implementation principle of the long spiral drilling machine for constructing the complex geological CFG pile provided by the embodiment of the utility model is as follows: when the operator installs the connecting rod 3, the frame 1 is pushed to a proper position, and then the frame 1 is fixed to prevent the frame 1 from shifting.

The connecting rod 3 is placed in the inner cavity of the installation clearance, and makes spacing piece 213 and accomodate groove 33 and agree with, then drives connecting rod 3 and slide along the horizontal direction, and makes the constant head tank 32 of connecting rod 3 department agree with the spacer 223 of butt ring 222 department, and then prevents that connecting rod 3 from taking place to fall along vertical direction.

Then, the motor 231 drives the screw 232 to rotate, the screw 232 is in threaded connection with the extrusion block 233, the extrusion block 233 is further driven to slide in the vertical direction, the sliding block 234 is extruded, the sliding block 234 slides along the sliding groove 214, at the moment, the spring 215 is stressed to be prolonged, meanwhile, the inserting rod 235 at the sliding block 234 is inserted into the inner cavity of the inserting groove 31 until the buffer cushion 236 is in contact with the connecting rod 3, and the connecting rod 3 is fixed at the mounting box 21.

When the connecting rod 3 or the drill bit 4 needs to be replaced, the operator drives the motor 231 to rotate reversely, so that the extrusion block 233 moves upwards along the screw 232, the sliding block 234 loses extrusion of the extrusion block 233, the sliding block moves in the horizontal direction away from the connecting rod 3 under the action of the spring 215, and after the connecting rod 3 loses pressurization, the operator can take out the connecting rod 3 along the placing groove 212 and replace the connecting rod.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. A long spiral drilling machine for complex geological CFG pile construction is characterized in that: comprises a frame (1), a connecting device (2) and a connecting rod (3);

the connecting device (2) comprises a mounting box (21), an extrusion block (233) and a sliding block (234), wherein the mounting box (21) is rotationally connected with the frame (1), the extrusion block (233) and the sliding block (234) are both positioned in an inner cavity of the mounting box (21), a through hole (211) is formed in the bottom wall of the mounting box (21) in a penetrating mode, the connecting rod (3) penetrates through the through hole (211), a sliding groove (214) is formed in the inner cavity of the mounting box (21), the extrusion block (233) slides along the mounting box (21) and is abutted to the sliding block (234), the sliding block (234) slides along the sliding groove (214), and the connecting rod (3) is extruded and fixed on the side wall of the through hole (211); the sliding block (234) is provided with a plug-in rod (235), the connecting rod (3) is provided with a plug-in groove (31), and the plug-in groove (31) is used for accommodating the plug-in rod (235).

2. A long auger drilling machine for construction of complex geological CFG piles according to claim 1, wherein: the inner cavity of the sliding groove (214) is provided with a spring (215), one end of the spring (215) is fixedly connected with the mounting box (21), and the other end of the spring is fixedly connected with the sliding block (234).

3. A long auger drilling machine for construction of complex geological CFG piles according to claim 1, wherein: the connecting device (2) further comprises a screw (232), the screw (232) is located in the inner cavity of the mounting box (21), and the screw (232) is in threaded connection with the extrusion block (233).

4. A long auger drilling machine for construction of complex geological CFG piles according to claim 1, wherein: the bottom wall of the mounting box (21) is provided with a placing groove (212) in a penetrating mode along the vertical direction, the placing groove (212) is communicated with the through hole (211), an inner cavity of the placing groove (212) is provided with a limiting piece (213), the limiting piece (213) is fixedly connected with the mounting box (21), the limiting piece (213) extends to the inner cavity of the through hole (211), and an installation gap is reserved between one end, away from the through hole (211), of the limiting piece (213) and the side wall of the placing groove (212); the side wall of the connecting rod (3) is provided with a storage groove (33), and the storage groove (33) is used for accommodating the limiting piece (213).

5. A long auger drilling machine for construction of complex geological CFG piles according to claim 1, wherein: the connecting device (2) further comprises an abutting ring (222), the abutting ring (222) and the sliding groove (214) are respectively located on two sides of the through hole (211) in the axial direction, the abutting ring (222) is fixedly connected with the mounting box (21), a locating piece (223) is arranged on the inner wall of the abutting ring (222), a locating groove (32) is formed in the connecting rod (3), and the locating groove (32) is used for accommodating the locating piece (223).

6. A long auger drilling machine for construction of complex geological CFG piles according to claim 1, wherein: the protection device is characterized by further comprising a protection component (5), wherein the protection component (5) is arranged on the bottom wall of the installation box (21), the protection component (5) comprises a telescopic rod (51), one end of the telescopic rod (51) is rotationally connected with the installation box (21), the other end of the telescopic rod is provided with a fixed block (52), and the fixed block (52) is fixedly connected with the telescopic rod (51); the side wall of the connecting rod (3) is provided with a limiting groove (34), and the limiting groove (34) is used for accommodating the fixing block (52).

7. The long auger drilling machine for constructing complex geological CFG piles of claim 6, wherein: the top wall of the fixed block (52) is provided with an elastic pad (53), and the elastic pad (53) is fixedly connected with the fixed block (52).

8. The long auger drilling machine for constructing complex geological CFG piles of claim 7, wherein: the protection components (5) are arranged at two sides in the axial direction of the connecting rod (3).