CN217378862U - Drilling tool suspension device for bidirectional mixing pile machine - Google Patents

Abstract

The utility model discloses a drilling tool linkage for two-way stirring stake machine, including the mounting bracket of slidable mounting on the vertical guide rail of two-way stirring stake machine, be connected with unit head, lower unit head and drive on the mounting bracket the unit head is close to or keeps away from down go up the lifting unit of unit head, go up be connected with on the unit head be used for with the last output shaft that the interior drilling rod of combination drilling tool is connected, be connected with on the unit head down be used for with the lower output shaft that the outer drilling rod of combination drilling tool is connected. The utility model discloses a drilling tool linkage for two-way stirring stake machine can realize accurate, the stable installation of the inside and outside drilling rod of combination drilling tool to simple to operate reduces workman intensity of labour.

Description

Drilling tool suspension device for bidirectional mixing pile machine

Technical Field

The utility model belongs to the technical field of the stirring stake machine technique and specifically relates to a drilling tool linkage for two-way stirring stake machine.

Background

Compared with a unidirectional mixing pile machine, the bidirectional mixing pile machine has the advantages of high efficiency, uniform mixing and good pile forming quality, and is subjected to height evaluation in the geotechnical engineering industry. However, most of the mixing pile machines in the market at present are one-way mixing pile machines, which have long pile forming time and are difficult to ensure pile forming quality, and although a small amount of two-way mixing pile machines exist, because of the adoption of single power head driving, when a large-depth and large-diameter mixing pile needs to be constructed, two-way large torque is difficult to output, so that the application of the two-way mixing technology is greatly limited. In addition, the installation and the disassembly of a bidirectional drill rod and a corresponding power head of the bidirectional mixing pile machine are very complicated, a plurality of technical installation problems exist, the field installation wastes time and labor, longer installation time is needed, the labor intensity of workers is high, and the potential safety hazard of installation exists.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving the technical problem of combination drilling tool installation difficulty at least to a great extent: the drilling tool suspension device for the bidirectional stirring pile machine can realize accurate and stable installation of inner and outer drilling rods of a combined drilling tool, is convenient to install, reduces the labor intensity of workers, and ensures construction safety.

The utility model adopts the technical proposal that: the utility model provides a drilling tool linkage for two-way stirring stake machine, including the mounting bracket of slidable mounting on the vertical guide rail of two-way stirring stake machine, be connected with unit head, lower unit head and drive on the mounting bracket the unit head is close to or keeps away from down go up the lifting unit of unit head, go up be connected with on the unit head be used for with the last output shaft that the interior drilling rod of combination drilling tool is connected, be connected with on the unit head down be used for with the lower output shaft that the outer drilling rod of combination drilling tool is connected.

Compared with the prior art, the drilling tool suspension device of the utility model has the following advantages:

the mounting frame in the hanging device structure of the drilling tool of the utility model is matched on the vertical guide rail of the drilling machine in a sliding way, and the mounting frame is respectively provided with the upper power head and the lower power head, and the lower power head can move relatively relative to the upper power head; when the combined drilling tool and the suspension device are installed, the combined drilling tool and the suspension device are installed in a step-by-step connection mode that the inner drill rod is installed firstly and then the outer drill rod is installed, and in the process of switching the installation parts, the combined drilling tool and the suspension device are only driven by the lifting assembly; namely, when the inner drill rod of the combined drilling tool is installed, the power head is driven to move upwards relatively through the lifting assembly, so that the upper output shaft of the upper power head is conveniently connected with the inner drill rod of the combined drilling tool, after connection is completed, the lifting assembly moves in the reverse direction, the lower power head is driven to move downwards relatively, axial insertion between the lower output shaft on the lower power head and the outer drill rod of the combined drilling tool is realized, manual alignment is not needed in the whole process, the operation is fast and efficient, and labor is saved.

As an improvement, the mounting bracket includes support body and lower support body, it installs to go up the unit head on going up the support body, the unit head is installed down on the support body, lifting unit is two, and two the connection of lifting unit symmetry is in go up between the outer wall of support body and lower support body, be used for the drive the lower support body is close to or keeps away from go up the support body. In the above-mentioned improvement structure, with the last support body and the lower support body structure of split type of mounting bracket setting for go up the installation of unit head, lower power head structure and lifting unit spare more convenient, the installation of the unit head of still being convenient for, and make holistic spatial layout more reasonable.

And the improved structure is characterized in that a guide assembly used for guiding and limiting the up-and-down sliding of the lower frame body is connected between the upper frame body and the lower frame body. In the above-mentioned improvement structure, the setting up of direction subassembly has guaranteed that the relative motion that can be more stable, accurate between last support body and the lower support body to can guarantee stable clearance between the outer drilling rod in the messenger combination drilling tool and the interior drilling rod.

And the improved structure is characterized in that the guide assembly comprises a vertically extending guide rod, the lower end of the guide rod is connected to the lower frame body, the upper frame body is connected with a guide sleeve, and the upper end of the guide rod is in sliding fit with the corresponding guide sleeve. Among the above-mentioned improvement structure, can realize down the direction spacing that the support body removed through simple guide bar and uide bushing, simple structure, it is spacing stable, with low costs.

The improved structure is characterized in that the upper frame body comprises two upper supporting plates which are symmetrically arranged, an upper sliding guide plate is connected between the two upper supporting plates, and the upper sliding guide plate is connected with the vertical guide rail in a sliding manner; the lower frame body comprises two symmetrically arranged lower supporting plates, a lower sliding guide plate is connected between the two lower supporting plates, and the lower sliding guide plate is connected with the vertical guide rail in a sliding manner. In the above-mentioned improved structure, the upper bracket body is split type structure with the lower bracket body, and the improvement is again, two be connected with the roof between the top of upper plate, the installation and the dismantlement of unit head about the convenience to be convenient for manufacturing.

And the top plate is connected with a movable pulley block and is used for being connected with a gooseneck boom at the upper end of a main mast of the bidirectional mixing pile machine in a hanging manner through a hoisting assembly. In the improved structure, the top plate structure and the top movable pulley block enable the connection of the whole drilling tool suspension device and the main mast of the installing machine to be more convenient, the lifting connection of the two parts can be realized through the corresponding actions of the hoisting assembly, and the arrangement of the movable pulley block can reduce the lifting driving force.

And the improvement is that the upper sliding guide plate and the lower sliding guide plate are close to one side of the vertical guide rail and are connected with sliding block assemblies, and the sliding block assemblies are in sliding fit with the vertical guide rail. In the above-mentioned improvement structure, the setting of sliding block set spare has better guide effect for more steady when sliding between mounting structure and the vertical guide rail can not the incline, thereby takes place the dead phenomenon of card when avoiding drilling tool linkage to reciprocate.

And the improved structure is characterized in that the improved structure is further improved, the upper sliding guide plate and the lower sliding guide plate are far away from the two ends of one side of the vertical guide rail, fixing seats are arranged at the two ends of one side of the vertical guide rail, and fixing ear plates connected with the corresponding fixing seats are arranged on the upper supporting plate and the lower supporting plate respectively. In the above-mentioned improved structure, all be connected as an organic wholely between upper bracket board and the last sliding guide board and between bottom plate and the lower sliding guide board to keep the horizontal angle to upper bracket board, bottom plate unchangeable when making combination drilling tool and agitating unit installation, thereby guarantee the position accuracy of axial grafting, can not block during the grafting and die.

And the lower output shaft is a hollow shaft, and the lower end of the upper output shaft is slidably arranged in an inner hole of the lower output shaft in a penetrating manner. Above-mentioned improve the structure and make when the lifting unit activity, go up output shaft and down the output shaft between can the relative motion to the lift activity through lifting unit can realize realizing that the substep is connected between the interior drilling rod that sets up inside and outside of combination drilling tool, outer drilling rod and the output shaft that corresponds, simple to operate, and the hookup location is accurate.

Drawings

Fig. 1 is a schematic structural diagram of the use state of the drilling tool suspension device for the bidirectional mixing pile machine of the present invention.

Fig. 2 is a structural diagram of a drilling tool suspension device for a bidirectional mixing pile machine of the present invention.

Fig. 3 is another state structure diagram of the drilling tool suspension device for the bidirectional mixing pile machine of the present invention.

Fig. 4 is an explosion structure diagram of the drill suspension device for the bidirectional mixing pile machine of the present invention.

Fig. 5 is a connection structure diagram of the upper supporting plate, the lower supporting plate, the lifting component and the guiding component in the present invention.

Fig. 6 is a schematic structural view of the upper slide guide plate of the present invention.

Fig. 7 is a sectional view of the connection structure of the drilling tool suspension device and the combined drilling tool for the bidirectional mixing pile machine of the present invention.

Fig. 8 is an enlarged structural view at X in fig. 7.

Wherein shown in the figure:

1. a main mast; 2. a vertical guide rail; 3. a combination drill; 3.1, an inner drill rod; 3.2, an outer drill rod; 4. installing a power head; 5. a lower power head; 6. an upper output shaft; 7. a lower output shaft; 8. an upper frame body; 8.1, mounting a supporting plate; 8.2, an upper sliding guide plate; 8.3, a top plate; 9. a lower frame body; 9.1, a lower supporting plate; 9.2, a lower sliding guide plate; 10. a lifting assembly; 11. a guide assembly; 11.1, a guide rod; 11.2, a guide sleeve; 12. a slider assembly; 13. a movable pulley block; 14. a fixed seat; 15. fixing the ear plate; 16. a first female joint; 17. a first male connector; 18. a second male connector; 19. a second female connector.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

In the description of the present invention, it should be noted that the terms "upper end", "lower end", "inner, outer" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, for example, as a fixed connection, a detachable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.

As shown in fig. 1 and 2, the utility model provides a drilling tool suspension device for a bidirectional mixing pile machine, including the mounting bracket which is slidably mounted on the vertical guide rail 2 of the bidirectional mixing pile machine, the mounting bracket is connected with an upper power head 4, a lower power head 5 and drives the lower power head 5 to be close to or far away from the lifting component 10 of the upper power head 4, in addition, the lower end of the upper power head 4 is connected with an upper output shaft 6 which is used for being connected with an inner drilling rod 3.1 of a combined drilling tool 3, in the structure, the upper output shaft 6 not only plays a role of connecting the inner drilling rod 3.1, but also can drive the inner drilling rod 3.1 to rotate at the same time, and drives a corresponding drill bit to rotate; similarly, a lower output shaft 7 for connecting with the outer drill rod 3.2 of the combined drill 3 is connected to the lower end of the lower power head 5, and the lower output shaft 7 also plays a role in connecting and driving the outer drill rod 3.2. In this embodiment, the lower output shaft 7 is a hollow shaft, and the lower end of the upper output shaft 6 is slidably inserted into the inner hole of the lower output shaft 7.

In the structure, the upper output shaft 6 is connected with the inner drill rod 3.1 of the combined drilling tool 3, and the lower output shaft 7 is connected with the outer drill rod 3.2 of the combined drilling tool 3, which are detachable connection structures. Specifically, the lower end of the upper output shaft 6 is connected with a first female joint 16, the upper end of the inner drill rod 3.1 of the combined drilling tool 3 is correspondingly connected with a first male joint 17, the first male joint 17 is matched with the first female joint 16, and when the combined drilling tool is connected, the first female joint 16 and the first male joint 17 are vertically inserted and matched and locked through a transverse positioning pin. Similarly, the upper end of the outer drill rod 3.2 of the combined drilling tool 3 is connected with a second male joint 18, the lower end of the lower output shaft 7 is connected with a second female joint 19 matched with the second male joint 18, the connection mode is consistent with that of the upper output shaft 6 and the inner drill rod 3.1, and the vertical insertion installation is locked by combining a transverse positioning pin. In the above structure, the first male connector 17 and the second male connector 18 are both of an outer hexagonal convex column structure; the first female joint 16 and the second female joint 19 are both of an inner hexagonal inserting hole structure, as shown in fig. 8.

More specifically, in order to facilitate the step-by-step connection of the inner drill rod 3.1 and the outer drill rod 3.2 of the combined drilling tool 3, a lifting assembly 10 is arranged in the structure, and the convenient connection is realized by combining the lifting of the lower power head 5. When the bidirectional stirring pile driver is installed, the drilling tool suspension device is fixed at the upper end of the main mast 1 of the bidirectional stirring pile driver, and the driving ends of the upper output shaft 6 and the lower output shaft 7 are ensured to face downwards; then hoisting the combined drilling tool 3 to a corresponding height through a special hoisting tool, connecting and installing a first male joint 17 at the upper end of an inner drill rod 3.1 and a first female joint 16 at the lower end of an upper output shaft 6, utilizing the contraction of a lifting assembly 10 to drive the lower power head 5 to move upwards relative to the upper power head 4, and driving the lower end of the upper output shaft 6 to penetrate through an inner hole of a lower output shaft 7 of the lower power head 5; then, a main winch of the pile machine is used for descending the suspension device assembly to the position above a first male joint 17 of an inner drill rod 3.1 of the uppermost section of the combined drilling tool 3; then, fine adjustment and descending are carried out through the main winch of the pile machine, the first female joint 16 at the lower end of the upper output shaft 6 is driven to be aligned and inserted into and connected with the first male joint 17, and then the locking is carried out through a positioning pin; then an outer drill rod 3.2 and a lower power head 5 of the combined drilling tool 3 are installed; and driving the lower power head 5 to move towards the direction away from the upper power head 4 by the extension pushing action of the lifting assembly 10 until a second male connector 18 of a lower output shaft 7 of the lower power head 5 is close to and aligned with a second female connector 19 at the upper end of the outer drill rod 3.2, then enabling the second female connector 19 to be in inserted fit with the second male connector 18 by fine adjustment of the extension amount of the lifting assembly 10, and then locking by a corresponding positioning pin, namely completing the connection of the uppermost section of the combined drilling tool 3 and the drilling tool hanging device.

As shown in fig. 2 to 4, the mounting rack in this embodiment includes an upper rack 8 and a lower rack 9, the upper power head 4 is mounted on the upper rack 8, the lower power head 5 is mounted on the lower rack 9, two lifting assemblies 10 are provided, and the two lifting assemblies 10 are symmetrically connected between the outer walls of the upper rack 8 and the lower rack 9, and are used for driving the lower rack 9 to approach or leave the upper rack 8. In addition, in order to ensure more stable relative movement between the upper frame body 8 and the lower frame body 9, a guide assembly 11 for guiding and limiting the vertical sliding of the lower frame body 9 is connected between the upper frame body 8 and the lower frame body 9. More specifically, guide assembly 11 includes vertical extension's guide bar 11.1, and guide bar 11.1's lower extreme is connected on lower support body 9, is connected with uide bushing 11.2 on the upper support body 8, and the upper end sliding fit of guide bar 11.1 is in corresponding uide bushing 11.2.

As shown in fig. 3-5, the upper frame body 8 comprises two upper support plates 8.1 which are symmetrically arranged, an upper sliding guide plate 8.2 is connected between the two upper support plates 8.1, and the upper sliding guide plate 8.2 is connected with the vertical guide rail 2 in a sliding manner; similarly, the lower frame body 9 comprises two symmetrically arranged lower supporting plates 9.1, a lower sliding guide plate 9.2 is connected between the two lower supporting plates 9.1, and the lower sliding guide plate 9.2 is in sliding connection with the vertical guide rail 2.

As shown in fig. 2 and 6, in this embodiment, the upper slide guide plate 8.2 and the lower slide guide plate 9.2 are connected to a slider assembly 12 on one side close to the vertical guide rail 2, and the slider assembly 12 is in sliding fit with the vertical guide rail 2. In yet another aspect, the upper slide guide 8.2 and the lower slide guide 9.2 are far awayFixing seats 14 are arranged at two ends of one side of the vertical guide rail 2, and fixing ear plates 15 connected with the corresponding fixing seats 14 are respectively arranged on the upper supporting plate 8.1 and the lower supporting plate 9.1, namely, one sides of the two symmetrical upper supporting plates 8.1 are in hinged fit with the upper sliding guide plate 8.2 through corresponding pin shafts; one side of the two symmetrical lower supporting plates 9.1 is hinged and matched with the lower sliding guide plate 9.2 through corresponding pin shafts, so that proper angle fine adjustment can be carried out between the upper power head 4, the lower power head 5 and the vertical guide rail 3, and the condition that the angle between the upper power head 4 and the vertical guide rail is 90 degrees is ensured ⁰ And after the angle is formed, fixing the angle by a welding mode. Because the upper sliding guide plate 8.2, the lower sliding guide plate 9.2 and the vertical guide rail 3 are in vertical sliding fit and cannot deflect vertically, after the upper supporting plate 8.1 and the upper sliding guide plate 8.1 and the lower supporting plate 9.1 and the lower sliding guide plate 9.2 are finally and fixedly connected, the transverse angles of the upper supporting plate 8.1 and the lower supporting plate 9.1 are not changed when the combined drilling tool and the stirring device are installed, and the axial inserting connection position accuracy is favorably ensured.

As shown in fig. 4, a top plate 8.3 is connected between the tops of the two upper supporting plates 8.1, and a movable pulley block 13 is connected to the top plate 8.3 and is used for being connected with a gooseneck boom at the upper end of the main mast 1 of the bidirectional mixing pile machine in a hanging manner through a hoisting assembly.

While the above is directed to the preferred embodiment of the present invention, it is not intended that it be limited, except as by the appended claims. The present invention is not limited to the above embodiments, and the specific structure thereof allows for variations, and all variations made within the scope of the claims of the present invention are within the scope of the present invention.

Claims (9)

1. The utility model provides a drilling tool linkage for two-way stirring stake machine for axial connection combination drilling tool, its characterized in that: mounting bracket on vertical guide rail (2) of two-way stirring stake machine including slidable mounting, be connected with on the mounting bracket unit head (4), lower unit head (5) and drive unit head (5) are close to or keep away from down go up lifting unit (10) of unit head (4), upward be connected with on unit head (4) and be used for last output shaft (6) be connected with interior drilling rod (3.1) of combination drilling tool (3), be connected with down output shaft (7) that are used for being connected with outer drilling rod (3.2) of combination drilling tool (3) on unit head (5) down.

2. The drilling tool suspension device for the bidirectional mixing pile machine according to claim 1, characterized in that: the mounting bracket includes support body (8) and lower support body (9), it installs to go up unit head (4) go up on support body (8), install down unit head (5) down on support body (9), lifting unit (10) are two, and two the connection of lifting unit (10) symmetry is in go up between the outer wall of support body (8) and lower support body (9), be used for the drive lower support body (9) are close to or keep away from go up support body (8).

3. The drilling tool suspension device for the bidirectional mixing pile machine according to claim 2, characterized in that: and a guide assembly (11) used for guiding and limiting the up-and-down sliding of the lower frame body (9) is connected between the upper frame body (8) and the lower frame body (9).

4. The drilling tool suspension device for the bidirectional mixing pile machine according to claim 3, characterized in that: guide assembly (11) are including vertical guide bar (11.1) that extends, the lower extreme of guide bar (11.1) is connected down on support body (9), upward be connected with uide bushing (11.2) on support body (8), the upper end sliding fit of guide bar (11.1) is in uide bushing (11.2) that corresponds.

5. The drilling tool suspension device for the bidirectional mixing pile machine according to claim 2, characterized in that: the upper frame body (8) comprises two upper supporting plates (8.1) which are symmetrically arranged, an upper sliding guide plate (8.2) is connected between the two upper supporting plates (8.1), and the upper sliding guide plate (8.2) is in sliding connection with the vertical guide rail (2); the lower support body (9) comprises two lower supporting plates (9.1) which are symmetrically arranged, a lower sliding guide plate (9.2) is connected between the lower supporting plates (9.1), and the lower sliding guide plate (9.2) is in sliding connection with the vertical guide rail (2).

6. The drilling tool suspension device for the bidirectional mixing pile machine according to claim 5, characterized in that: and a top plate (8.3) is connected between the tops of the two upper supporting plates (8.1), and a movable pulley block (13) is connected to the top plate (8.3) and is used for being connected with a goose head at the upper end of a main mast (1) of the bidirectional stirring pile machine in a hanging manner through a hoisting assembly.

7. The drilling tool suspension device for the bidirectional mixing pile machine according to claim 5, characterized in that: go up slide guide (8.2), lower slide guide (9.2) are close one side of vertical guide (2) all is connected with slider assembly (12), just slider assembly (12) with vertical guide (2) sliding fit.

8. The drilling tool suspension device for the bidirectional mixing pile machine according to claim 5, characterized in that: go up slide guide (8.2), lower slide guide (9.2) keep away from both ends of vertical guide (2) one side all be equipped with fixing base (14), be equipped with respectively on cope match-plate pattern (8.1), bottom plate (9.1) with fixed otic placode (15) of being connected of fixing base (14) that correspond.

9. The drilling tool suspension device for the bidirectional mixing pile machine according to claim 1, characterized in that: the lower output shaft (7) is a hollow shaft, and the lower end of the upper output shaft (6) penetrates through an inner hole of the lower output shaft (7) in a sliding mode.

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