Telescopic milling attached lug two-wheel type hydraulic square pile drill bit

Abstract

The utility model relates to the technical field of square pile drill bits, in particular to a telescopic attached lug milling two-wheel type hydraulic square pile drill bit. According to the specific technical scheme, the telescopic attached lug milling two-wheel type hydraulic square pile drill bit comprises a machine frame, mounting frames with adjustable intervals are correspondingly arranged below the machine frame, the machine frame is detachably connected with the mounting frames, and excavating components are arranged on the mounting frames respectively. The problems that in the prior art, drill bits of various sizes and specifications or special expansion excavation parts need to be prepared for lug-attached square piles of different sizes, and therefore the expansion excavation parts are various in variety and size and the like are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to square pile drill bit technical field, concretely relates to telescopic type milling ear two wheeled hydraulic square pile drill bit. BACKGROUND

[0002] In the construction process of square pile, the design square of square pile is out of practical needs, if the prefabricated slab is connected between a row of square piles, is used for the blocking connection of the mountain or the blocking object, usually one side or both sides of the square pile is designed with an ear. Figure 7 As shown in the figure.

[0003] In the previous square drill bit design, the construction of this kind of "T" type square pile usually adds a set of extended digging wheel to the outer end of the digging wheel of one side of the hydraulic square pile drill bit, and the diameter of the extended digging wheel is larger than the outer diameter of the digging wheel of the square drill bit, so as to realize the processing of the "T" type pile. However, with the actual needs, the processing of this kind of "T" type square pile is more and more, the size changes more and more, and the construction quality and construction efficiency are required to be higher and higher, so the previous design scheme has exposed the shortcomings. For example, with the change of the size of the pile, the previous square drill bit needs to be provided with a larger size extended digging part corresponding to it, so as to cause the problems of too many types of extended digging parts and too many sizes.

[0004] Therefore, based on this, the inventor conceived the idea of developing a special drill bit for digging the extended ear part of the "T" type square pile. The purpose is to process the ear of square pile of various sizes with a special drill bit for milling ear, so as to no longer need to provide the construction square with a plurality of size specifications of drill bits or special extended digging parts for different sizes of ear square pile, and the developed telescopic type milling ear two wheeled hydraulic square pile drill bit successfully solves the problem. SUMMARY

[0005] In view of the shortcomings of the prior art, the utility model provides a telescopic type milling ear two wheeled hydraulic square pile drill bit, which solves the problem that a plurality of size specifications of drill bits or special extended digging parts need to be prepared for different sizes of ear square pile in the prior art, thereby causing the problems of too many types of extended digging parts and too many sizes.

[0006] To achieve the above purpose, the utility model realizes the following technical scheme:

[0007] The utility model discloses a telescopic type milling ear two wheeled hydraulic square pile drill bit, including the frame, the frame lower surface is provided with the spacing adjustable mounting bracket in correspondence, the frame is detachably connected with mounting bracket, digging part is arranged on the mounting bracket respectively.

[0008] Preferably, the rack comprises a connecting square head and a connecting mounting plate connected to one end of the connecting square head, and the mounting rack is detachably connected to the connecting mounting plate; the mounting rack comprises a horizontal rack and a vertical rack fixed to the bottom of one end of the horizontal rack, and the vertical racks of the two mounting racks are correspondingly arranged; and the horizontal rack is detachably connected to the connecting mounting plate.

[0009] Preferably, the two sides of the horizontal rack are correspondingly provided with sliding grooves along the length direction thereof, and the connecting mounting plate is arranged on the horizontal rack, and the two sides of the connecting mounting plate are matched with the sliding grooves, so that the mounting rack is positioned and slides.

[0010] Preferably, a speed reducer is arranged on the vertical rack, a hydraulic motor is connected to the speed reducer, and the rotating end of the speed reducer is connected to the digging component.

[0011] Preferably, the digging component comprises a digging wheel body and a digging element fixed to the digging wheel body, and the digging wheel body is connected to the rotating end of the speed reducer.

[0012] Preferably, the digging wheel body is in a stepped shape, the digging element is arranged on a small-diameter section, and the speed reducer is connected to a large-diameter end.

[0013] Preferably, the digging element is arranged on the digging wheel body in an inclined manner, and the digging elements close to the two ends of the digging wheel body are arranged outward at an angle; or, the digging element is arranged on the digging wheel body in a gradually increasing manner; or, the digging element is arranged on the digging wheel body in a regular spiral manner or an irregular spiral manner, and the digging elements close to the two ends of the digging wheel body are arranged outward at an angle.

[0014] Preferably, reinforcing plates are arranged between the connecting mounting plate and the connecting square head and at the bottom of the horizontal rack.

[0015] Preferably, a hydraulic oil pipe inlet and outlet hole is arranged on the side wall of the vertical rack.

[0016] The utility model has the following beneficial effects:

[0017] The square pile drill bit mainly comprises a rack, two mounting racks, two hydraulic motors, two speed reducers and two digging components. The digging component is mounted and fixed to the rotating end of the speed reducer, the speed reducer is mounted and fixed to the mounting rack, and the power of the digging component is provided by the hydraulic motor mounted on the speed reducer. The speed reducer mounting rack and the rack are connected by corresponding screw holes, the mounting rack is slidable relative to the length direction of the rack, and after sliding movement, the corresponding screw connection holes on the rack are connected with the mounting rack, so that the size of the square drill bit is adjusted to process square piles with different sizes. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The utility model is a structural schematic view;

[0019] Figure 2 is an exploded view of the mounting frame at one end;

[0020] Figure 3 is a schematic view of the frame structure;

[0021] Figure 4 is a schematic view of the excavating component structure;

[0022] Figure 5 is a sectional view of Figure 1 ;

[0023] Figure 6 is a view of the square pile drill bit after the two ends are extended;

[0024] Figure 7 is a schematic view of a "T" shaped square pile;

[0025] In the figure: frame 1, connecting square head 2, connecting mounting plate 3, cross frame 4, vertical frame 5, sliding slot 6, speed reducer 7, hydraulic motor 8, excavating wheel body 9, excavating element 10, reinforcing plate 11, hydraulic oil pipe inlet and outlet hole 12. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0027] If not specifically indicated, the technical means used in the embodiments is the conventional means well known to those skilled in the art.

[0028] With reference to Figures 1-6 , the present application discloses a telescopic milling ear two-wheel type hydraulic square pile drill bit, comprising a frame 1, a spacing-adjustable mounting frame is correspondingly arranged below the frame 1, the frame 1 and the mounting frame are detachably connected, and excavating components are respectively arranged on the mounting frame. The excavating components are connected with the rotating end of a speed reducer 7, the speed reducer is fixed on the mounting frame, and the power of the excavating components is provided by a hydraulic motor 8 mounted on the speed reducer. As one of the embodiments, the mounting frame and the frame are connected by corresponding screw holes, at the same time, the mounting frame is slidable relative to the length direction of the frame, and after sliding, corresponding connecting screw holes on the frame are connected with the mounting frame, so that the distance between the two mounting frames is adjusted, that is, the size of the square pile drill bit is adjusted, so as to process square pile ears of different sizes.

[0029] Furthermore, the frame 1 includes a connecting square head 2 and a connecting mounting plate 3 connected to one end of the connecting square head 2, and the mounting frame is detachably connected to the connecting mounting plate 3. It should be noted that the connecting square head is connected to construction equipment (such as a rotary drilling rig). The connecting mounting plate is provided with a plurality of connecting screw holes along its length, which are adapted to the screw holes on the mounting frame for connection and fixation between the two. The number and position of the holes can be set as needed. At the same time, a reinforcing plate 11 is provided between the connecting mounting plate and the connecting square head to strengthen the strength of the entire frame.

[0030] Furthermore, the mounting frame includes a horizontal frame 4 and a vertical frame 5 fixed at the bottom of one end of the horizontal frame 4. The vertical frames 5 of the two mounting frames are correspondingly arranged. The horizontal frame 4 is detachably connected to the connecting mounting plate 3. Slide grooves 6 are correspondingly arranged on both sides of the horizontal frame 4 along its length direction. The connecting mounting plate 3 is placed on the horizontal frame 4, and its two sides are adapted to the slide grooves 6 so that the mounting frame can be positioned and slid. It should be noted that: as one embodiment, the end face of the horizontal frame is "H"-shaped, and horizontal bars are provided at the top ends of both sides of the horizontal frame to form slide grooves with the horizontal plates of the horizontal frame. The width direction of the connecting mounting plate is adapted to the size of the slide groove on the mounting frame for positioning and sliding of the mounting frame. The length of the connecting mounting plate is greater than or equal to the total length of the two mounting frames. Figure 1 As shown, in the initial state, the two ends of the two mounting brackets do not extend out of the connecting mounting plate. Figure 5 As shown, the end face of the mounting frame is slightly shorter than the end face of the excavating wheel body, that is, the two ends of the excavating wheel body slightly extend out of the mounting frame. During the excavation process, the mounting frame can play a certain anti-bias positioning role, and the connecting mounting plate is mainly used to connect the two mounting frames and adjust their sizes.

[0031] Furthermore, the vertical frame 5 is provided with a reducer 7, to which a hydraulic motor 8 is connected. The side walls of the vertical frame 5 are provided with hydraulic oil pipe inlet and outlet holes 12. It should be noted that a reducer mounting station is provided on the vertical frame, where the fixed end of the reducer is positioned, connected, and fixed. The hydraulic motor on the reducer is located in a cavity behind the reducer mounting station, which provides protection for the hydraulic motor. Hydraulic oil pipe inlet and outlet holes are provided on both sides of the cavity for the oil pipe to enter and exit.

[0032] The utility model provides a sliding groove structure at the upper end of the mounting frame. The width of the groove is adapted to the width of the connecting mounting plate on the frame, which is used for sliding positioning. The height of the groove is slightly larger than the thickness of the connecting mounting plate, which is used to limit the position of the mounting frame during sliding. At the same time, the mounting frame is an overall frame structure, and a reinforcement plate 11 is provided at the bottom of the horizontal frame to strengthen its own structural strength.

[0033] As one of the embodiments, a connecting screw hole is arranged on the cross frame of the mounting frame, which can also be a screw wire hole or a via hole, and a connecting nut is welded on the back of the via hole for connecting and fixing with the rack (connecting mounting plate).

[0034] Further, the digging component is in a barrel structure, and the digging component comprises a digging wheel body 9 and digging elements 10 fixed on the digging wheel body 9, and the digging wheel body 9 is connected with the rotating end of the speed reducer 7. Specifically, the digging wheel body is provided with a positioning stop and a screw hole at one end for connecting with the rotating end of the speed reducer, and the inside of the digging wheel body is hollow, and the rotating end of the speed reducer is partially hidden in the inside. Figure 4 As shown in the figure, the digging wheel body is in a stepped structure, and the right end is provided with digging elements (bullet heads), and the diameter of this part can be used to adjust the digging diameter of the digging wheel.

[0035] Further, the digging elements can be arranged in the following manners: the digging elements 10 near the two ends of the digging wheel body 9 are arranged at an angle outward; or the digging elements 10 are arranged in a gradually increasing manner on the digging wheel body 9; or the digging elements 10 are arranged in a regular spiral manner or an irregular spiral manner on the digging wheel body 9, and the digging elements 10 near the two ends of the digging wheel body 9 are arranged at an angle outward.

[0036] The processing procedure of the telescopic milling ear two-wheel type hydraulic square pile drill bit is as follows: first, a conventional square pile drill bit is used to process part of the foundation square pile (the width direction and the length direction of the foundation square pile), and then the ear part is processed by the square pile drill bit. Figure 7 Meanwhile, the square drill bit can be adjusted in size, and when the ear of a square pile of different size is processed, the size of the square drill bit can be adjusted to complete the processing, thereby reducing the pressure of the construction and management of the square drill bit.

[0037] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0038] The above-described embodiments are merely preferred modes of the present application, and are not intended to limit the scope of the present application, and various modifications and improvements to the technical solutions of the present application made by those of ordinary skill in the art without departing from the design spirit of the present application shall fall within the protection scope of the present application as defined by the claims.

Claims

1. A telescopic milling ear two-wheel hydraulic square pile drill bit comprising a frame (1), characterized in that: The lower part of the frame (1) is provided with adjustable spacing mounting racks, the frame (1) is detachably connected with the mounting racks, and the mounting racks are respectively provided with digging components.

2. The telescopic, ear-milling, hydraulic, square-socket, two-wheeled pile driver bit of claim 1, wherein: The frame (1) comprises a connecting square head (2) and a connecting mounting plate (3) connected to one end of the connecting square head (2), and the mounting racks are detachably connected to the connecting mounting plate (3); the mounting rack comprises a cross frame (4) and a vertical frame (5) fixed to the bottom of one end of the cross frame (4), and the vertical frames (5) of the two mounting racks are correspondingly arranged, and the cross frame (4) is detachably connected with the connecting mounting plate (3).

3. The telescopic, ear-milling, two-wheeled hydraulic square pile drill bit of claim 2, wherein: Both sides of the cross frame (4) are correspondingly provided with sliding grooves (6) along the length direction, the connecting mounting plate (3) is arranged on the cross frame (4), and both sides of the connecting mounting plate (3) are matched with the sliding grooves (6), so that the mounting rack is positioned and slides.

4. The telescopic, ear-milling, hydraulic, square socket, two-wheeled pile driver bit of claim 2 or 3, wherein: The vertical frame (5) is provided with a speed reducer (7), the speed reducer (7) is connected with a hydraulic motor (8), and the rotating end of the speed reducer (7) is connected with the digging component.

5. The telescopic, ear-milling, two-wheeled hydraulic square pile drill bit of claim 4, wherein: The digging component comprises a digging wheel body (9) and a digging element (10) fixed to the digging wheel body (9), and the digging wheel body (9) is connected with the rotating end of the speed reducer (7).

6. The telescopic, ear-milling, two-wheeled hydraulic square pile drill bit of claim 5, wherein: The digging wheel body (9) is stepped, the digging element (10) is arranged on the small diameter section, and the speed reducer (7) is connected with the large diameter end.

7. The telescopic, ear-milling, two-wheeled hydraulic square pile drill bit of claim 6, wherein: The digging element (10) is arranged on the digging wheel body (9) in an inclined manner, and the digging elements (10) close to both ends of the digging wheel body (9) are arranged outward at an angle; or, the digging elements (10) are arranged on the digging wheel body (9) in a gradually increasing manner; or, the digging elements (10) are regularly arranged in a spiral manner or irregularly arranged in a spiral manner on the digging wheel body (9), and the digging elements (10) close to both ends of the digging wheel body (9) are arranged outward at an angle.

8. The telescopic, ear-milling, hydraulic, square socket, two-wheeled, pile driver bit of claim 2, wherein: The connecting mounting plate (3) and the connecting square head (2) are respectively provided with reinforcing plates (11) at the bottom of the cross frame (4).

9. The telescopic, ear-milling, two-wheeled hydraulic square pile drill bit of claim 2, wherein: The side wall of the vertical frame (5) is provided with a hydraulic oil pipe inlet and outlet hole (12).

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