Vertical drilling double-bottom rotary excavating drill bit

Abstract

The utility model relates to the technical field of double-bottom rotary drilling bits, in particular to a vertical drilling double-bottom rotary drilling bit which comprises a rotary drilling barrel, a vertical drilling rod, a vertical drilling rod and a vertical drilling rod. The rotary excavating mechanism is movably arranged at the bottom of the rotary excavating barrel; the connecting top block is fixedly arranged on the inner side of the top end of the rotary excavating barrel; the movable plugging mechanism is movably arranged on the inner side of the mounting groove in the surface of the rotary excavating barrel; the connecting limiting mechanisms are symmetrically and movably inserted into the inner sides of the fixed insertion grooves in the top end of the rotary excavating barrel; the fixing and positioning mechanisms are symmetrically and fixedly arranged at the top end of the connecting top block, through the arranged rotary excavating mechanism, after the device is used for a long time, internal fixing pieces of the rotary excavating mechanism can be rapidly disassembled, and then internal rotary excavating parts of the device can be replaced; and internal parts of the rotary excavating mechanism can be rapidly installed and fixed, and operation is convenient and rapid.

Description

TECHNICAL FIELD

[0001] The utility model relates to double bottom rotary drilling head technical field especially relates to a vertical drilling double bottom rotary drilling head. BACKGROUND

[0002] Double bottom rotary drilling head is a common rotary drilling machine drill head, is widely used in pile construction, double bottom rotary drilling head usually comprises two layers of bottom plate, the upper layer bottom plate is fixed, the lower layer bottom plate can rotate. When drilling, the lower layer bottom plate turns on door to enter slag, and the bottom door is closed when reversing.

[0003] The existing double bottom rotary drilling head in the process of using, since its bottom rotary digging tooth usually with the whole body is the welding state, after the rotary digging tooth long time carries out rotary digging, rotary digging tooth will appear certain loss, when carrying out replacement, usually carries out cutting, replaces the new rotary digging tooth and carries out welding treatment again, it is more troublesome to operate, for this, we propose a vertical drilling double bottom rotary drilling head. UTILITY MODEL CONTENTS

[0004] In view of the above problem, the utility model provides a vertical drilling double bottom rotary drilling head, can solve the problem existing in the above background art.

[0005] The technical scheme of the utility model is:

[0006] A vertical drilling double bottom rotary drilling head, comprising:

[0007] Rotary digging cylinder, its surface is provided with mounting groove, and the inside is provided with fixed slot symmetrically;

[0008] Rotary digging mechanism, its activity is located in the bottom of rotary digging cylinder;

[0009] Connecting top block, its fixedly arranged in the top end of rotary digging cylinder inner side;

[0010] Movable plugging mechanism, its activity is located in the inside of the mounting groove of rotary digging cylinder surface;

[0011] Connecting limiting mechanism, its symmetric activity is inserted in the inside of the fixed slot of rotary digging cylinder top end;

[0012] Fixed positioning mechanism, its symmetric fixedly arranged in the top end of connecting top block;

[0013] The rotary digging mechanism comprises a mounting bottom plate, screw mounting holes are symmetrically arranged at the bottom end of the mounting bottom plate, connecting limiting frames are symmetrically arranged at the bottom end of the mounting bottom plate, a rectangular through slot is arranged at the end of the connecting limiting frame close to the middle of the mounting bottom plate, a movable mounting plug is movably connected to the inner side of the connecting limiting frame, a connecting end block is fixedly connected to one end of the movable mounting plug, a plurality of rotary digging teeth are equidistantly arranged at the bottom end of the movable mounting plug, a connecting leg is movably attached to the bottom of the connecting end block, a connecting cone is fixedly connected to the end of the connecting leg, fastening bolts are movably connected to the inner side of the screw mounting hole, the inside of the connecting end block and the inside of the connecting leg, and the fastening bolts are threadedly connected with the screw mounting hole, and the fastening bolts are movably attached to the connecting end block and the connecting leg.

[0014] In a further technical scheme, the surface outer side of the connecting end block is movably attached to the inner side of the rectangular through slot at the end of the connecting limiting frame.

[0015] In a further technical scheme, the movable plugging mechanism comprises a movable plugging arc-shaped plate, fixed end blocks are symmetrically arranged at both ends of the movable plugging arc-shaped plate, and the surface outer sides of the movable plugging arc-shaped plate and the fixed end blocks are movably attached to the inner side of the mounting groove on the surface of the rotary digging cylinder.

[0016] In a further technical scheme, the connecting limiting mechanism comprises a movable limiting plug rod, the movable limiting plug rod is movably attached to the inner side of the internal plug-in groove of the rotary digging cylinder and the inside of the fixed end block, a connecting top seat is fixedly connected to the top end of the movable limiting plug rod, a movable deflection arm is movably connected to the inner side of the connecting top seat through a connecting shaft, a limiting plug hole is arranged at the end of the movable deflection arm away from the connecting top seat, and a connecting handle is fixedly connected to the top of the movable deflection arm.

[0017] In a further technical scheme, the fixed positioning mechanism comprises a fixed seat at the top of the connecting top block and a fixed positioning block, a threaded rod is threadedly connected to the inside of the fixed seat, a connecting limiting disc is fixedly connected to one end of the threaded rod, and a connecting positioning plug rod is fixedly connected to the side of the connecting limiting disc away from the threaded rod.

[0018] In a further technical scheme, the end surface outer side of the connecting positioning plug rod is movably attached to the

[0019] inner side of the limiting plug hole.

[0020] The utility model discloses the beneficial effect is:

[0021] 1. With the provided rotary drilling mechanism, the internal fasteners of the rotary drilling mechanism can be quickly disassembled after a long period of use, so that the internal rotary drilling components can be replaced. It can also quickly install and fix the internal components of the rotary drilling mechanism, making the operation convenient and quick.

[0022] 2. With the provided movable sealing mechanism, connecting limiting mechanism, and fixed positioning mechanism, after the entire system is in use, one of the fixed positioning mechanisms can be adjusted so that it no longer restricts the connecting limiting mechanism. This allows one of the connecting limiting mechanisms to be quickly pulled out, no longer inserting into the rotary drum or restricting one end of the movable sealing mechanism. This allows the movable sealing mechanism to quickly deflect outward, thus enabling cleaning of the movable sealing mechanism and the inside of the rotary drum. The structure is simple and the operation is convenient. Attached Figure Description

[0023] Figure 1 is a schematic diagram of the overall structure of a vertical drilling double-bottom rotary drilling bit according to an embodiment of the present invention; Figure 2 is a schematic diagram of the rotary drilling mechanism of a vertical drilling double-bottom rotary drilling bit according to an embodiment of the present invention; Figure 3 is a schematic diagram of the movable sealing mechanism of a vertical drilling double-bottom rotary drilling bit according to an embodiment of the present invention; Figure 4 is an enlarged schematic diagram of point A in Figure 3 of a vertical drilling double-bottom rotary drilling bit according to an embodiment of the present invention.

[0024] Explanation of reference numerals in the attached figures:

[0025] 1. Rotary drilling drum;

[0026] 2. Rotary drilling mechanism; 21. Mounting base plate; 22. Threaded mounting hole; 23. Connecting limit frame; 24. Movable mounting block; 25. Rotary drilling teeth; 26. Connecting end block; 27. Connecting cone; 28. Connecting support leg; 29.

[0027] Tighten the bolts;

[0028] 3. Connect the top block;

[0029] 4. Movable sealing mechanism; 41. Movable sealing arc plate; 42. Fixed end block;

[0030] 5. Connecting limit mechanism; 51. Movable limit rod; 52. Connecting top seat; 53. Movable deflection arm; 54. Connecting handle; 55. Limiting hole;

[0031] 6. Fixed positioning mechanism; 61. Fixed seat; 62. Fixed positioning block; 63. Threaded rod; 64. Connecting limit plate; 65. Connecting positioning rod. Detailed Implementation

[0032] The embodiments of the utility model will be further explained in combination with the drawings. Embodiment

[0033] As shown in Figure 1- Figure 4 The vertical drilling double-bottom rotary drilling head includes a rotary drilling cylinder 1, a rotary drilling mechanism 2, a connecting top block 3, a movable plugging mechanism 4, a connecting limiting mechanism 5 and a fixed positioning mechanism 6.

[0034] The working principle of the above technical solution is as follows:

[0035] In the process of use, when the internal components of the rotary digging mechanism 2 are worn after long-term use, the internal components of the rotary digging mechanism 2 can be quickly disassembled and replaced, and then when the entire internal part needs to be cleaned, the fixed positioning mechanism 6 can be quickly adjusted, and then the connecting limiting mechanism 5 is moved, so that the connecting limiting mechanism 5 can be pulled out from the inside of the rotary digging barrel 1, so that the movable blocking mechanism 4 can be quickly deflected, so that the movable blocking mechanism 4 can be opened, and then the inside of the whole can be quickly cleaned, which is convenient and fast; When the rotary digging tooth 25 is worn and the movable mounting plug 24, the rotary digging tooth 25 and the connecting end block 26 need to be disassembled and replaced, the fastening bolt 29 can be rotated at this time, so that the fastening bolt 29 can be separated from the inside of the threaded mounting hole 22, and the fastening bolt 29 is moved, so that the fastening bolt 29 can be separated from the inside of the connecting end block 26 and the connecting leg 28, and then the movable mounting plug 24, the rotary digging tooth 25 and the connecting end block 26 are moved transversely, so that the movable mounting plug 24 can be separated from the inside of the connecting limiting frame 23, so as to be quickly disassembled, and then the movable mounting plug 24 and the connecting end block 26 after replacement are clamped into the inside of the connecting limiting frame 23, and then the top end of the connecting leg 28 and the bottom end of the connecting end block 26 are aligned with each other, and the fastening bolt 29 is inserted into the inside of the connecting end block 26 and the connecting leg 28, and connected and fixed with the threaded mounting hole 22, so as to disassemble and replace the movable mounting plug 24, the rotary digging tooth 25 and the connecting end block 26, which is convenient and fast.

[0036] In another embodiment, as shown in Figure 2 The surface outside of the connecting end block 26 is matched with the inside of the rectangular through slot at the end of the connecting limiting frame 23.

[0037] When the movable mounting plug 24 is stably positioned in the inside of the connecting limiting frame 23, the connecting end block 26 can be stably positioned in the inside of the rectangular through slot at the end of the connecting limiting frame 23, so as to be connected and installed.

[0038] In another embodiment, as shown in Figure 3 The movable blocking mechanism 4 includes a movable blocking arc-shaped plate 41, and the two ends of the movable blocking arc-shaped plate 41 are symmetrically provided with fixed end blocks 42, and the surface outside of the movable blocking arc-shaped plate 41 and the fixed end blocks 42 is matched with the inside of the mounting groove of the surface of the rotary digging barrel 1.

[0039] The fixed end block 42 at one end of the movable plugging arc-shaped plate 41 is connected with one connecting limiting mechanism 5, and the fixed end block 42 at the other end is not connected with another connecting limiting mechanism 5, so that the movable plugging arc-shaped plate 41 can be quickly deflected and opened, the movable plugging arc-shaped plate 41 can be quickly opened, the inside of the whole is convenient to clean, and the operation is convenient.

[0040] In another embodiment, as shown in Figure 4 The connecting limiting mechanism 5 comprises an active limiting plug rod 51, the active limiting plug rod 51 is slidably connected with the inner side of the internal fixed slot of the rotary digging barrel 1 and the inside of the fixed end block 42, the top end of the active limiting plug rod 51 is fixedly connected with a connecting top seat 52, the inner side of the connecting top seat 52 is movably connected with an active deflection arm 53 through a connecting shaft, a limiting plug hole 55 is formed in the end of the active deflection arm 53 away from the connecting top seat 52, and the top of the active deflection arm 53 is fixedly connected with a connecting handle 54.

[0041] The active limiting plug rod 51 can be inserted into the inside of the rotary digging barrel 1 and the inside of the fixed end block 42, the connecting top seat 52 is located at the top end of the rotary digging barrel 1, the active deflection arm 53 is deflected in the inner side of the connecting top seat 52, the active deflection arm 53 and the top of the connecting top block 3 are mutually fitted, the connecting limiting mechanism 5 can be connected between the fixed positioning mechanism 6 and the limiting plug hole 55, and the whole connecting limiting mechanism 5 can be limited and fixed, so that the operation is convenient.

[0042] In another embodiment, as shown in Figure 4 The fixed positioning mechanism 6 comprises a fixed seat 61 and a fixed positioning block 62 located at the top of the connecting top block 3, the inside of the fixed seat 61 is threadedly connected with a threaded rod 63, one end of the threaded rod 63 is fixedly connected with a connecting limiting disc 64, and the side of the connecting limiting disc 64 away from the threaded rod 63 is fixedly connected with a connecting positioning plug rod 65.

[0043] The threaded rod 63 is convenient to rotate, the threaded rod 63 can move in the inside of the fixed seat 61, the connecting limiting disc 64 and the connecting positioning plug rod 65 are driven to move, the end of the connecting positioning plug rod 65 can be inserted into the inner side of the limiting plug hole 55, and the connecting limiting disc 64 is connected and limited.

[0044] In another embodiment, as shown in Figure 4 The end surface of the connecting positioning plug rod 65 is slidably connected with the inner side of the limiting plug hole 55.

[0045] The positioning plug rod 65 is capable of being stably inserted into the inside of the limiting insertion hole 55, thereby being connected and limited, and the operation is convenient.

[0046] The working principle of the utility model discloses: in the process of using, when the rotary digging tooth 25 needs to be replaced after long -time use, first of fastening bolt 29 is rotated, make fastening bolt 29 can from the inside of screw hole 22 separate, and fastening bolt 29 is removed, make fastening bolt 29 can from the inside of connecting end block 26 and connecting support 28 separate, then to movable mounting plug block 24, rotary digging tooth 25 and connecting end block 26 are moved laterally, make movable mounting plug block 24 can from the inside of connecting limiting frame 23 separate, thereby quickly disassembling, then the movable mounting plug block 24 and connecting end block 26 after replacement are completed and are clamped into the inside of connecting limiting frame 23, then the top of connecting support 28 and the bottom of connecting end block 26 are mutually aligned, and fastening bolt 29 is inserted into the inside of connecting end block 26 and connecting support 28, and is connected and fixed between screw hole 22, thereby the movable mounting plug block 24, rotary digging tooth 25 and connecting end block 26 are disassembled and replaced;When the inside needs to be washed, one of threaded rod 63 is rotated, make threaded rod 63 can move in the inside of fixed seat 61, drive connecting limiting disc 64 and connecting positioning plug rod 65 move, make connecting positioning plug rod 65 can be extracted from the inside of limiting insertion hole 55, then the movable deflection arm 53 not limited by connecting positioning plug rod 65 is operated, and the connecting handle 54 is pulled up, so that the movable deflection arm 53 can be deflected in the inside of connecting top seat 52, then the connecting handle 54 is moved upwards, drive connecting top seat 52 and movable limiting plug rod 51 move, so that movable limiting plug rod 51 can be extracted from the inside of rotary digging barrel 1, no longer limit fixed end block 42, and then the movable sealing arc-shaped plate 41 can be deflected and opened quickly, so that the inside can be washed, the whole structure is simple, and the operation is convenient.

[0047] The above embodiments only express the specific implementation of the utility model, and the description is more specific and detailed, but it can not be understood as the limitation of the utility model patent scope. It should be pointed out that for ordinary skilled person in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which belong to the protection scope of the utility model.

Claims

1. A vertical drilling double-bottom rotary drilling bit, characterized in that, include: The rotary drilling drum (1) has an installation groove on its surface and a fixing slot symmetrically provided inside; The rotary drilling mechanism (2) is movably located at the bottom of the rotary drilling cylinder (1); Connecting top block (3), which is fixedly installed on the inner side of the top of the rotary drilling cylinder (1); The movable sealing mechanism (4) is movably located inside the mounting groove on the surface of the rotary drilling cylinder (1); The connecting limiting mechanism (5) is symmetrically and movably inserted into the fixed slot at the top of the rotary drilling cylinder (1); A fixed positioning mechanism (6) is symmetrically fixed at the top of the connecting top block (3); The rotary drilling mechanism (2) includes a mounting base plate (21). Threaded mounting holes (22) are symmetrically provided at the bottom end of the mounting base plate (21). A connecting limiting frame (23) is symmetrically provided at the bottom end of the mounting base plate (21). A rectangular through slot is provided at the end of the connecting limiting frame (23) near the middle of the mounting base plate (21). A movable mounting block (24) is movably connected to the inner side of the connecting limiting frame (23). A connecting end block (26) is fixedly connected to one end of the movable mounting block (24). The bottom end of the movable mounting block (24)... A plurality of rotary drilling teeth (25) are provided at equal intervals. The bottom of the connecting end block (26) is movably fitted with a connecting leg (28). The end of the connecting leg (28) is fixedly connected with a connecting cone (27). Fastening bolts (29) are movably connected to the inner side of the threaded mounting hole (22), the inside of the connecting end block (26), and the inside of the connecting leg (28). The fastening bolts (29) are connected to the threaded mounting hole (22) by threads. The fastening bolts (29) are movably fitted with the connecting end block (26) and the connecting leg (28).

2. The vertical drilling double-bottom rotary drilling bit according to claim 1, characterized in that: The outer surface of the connecting end block (26) is in contact with the inner side of the rectangular through groove at the end of the connecting limiting frame (23).

3. The vertical drilling double-bottom rotary drilling bit according to claim 1, characterized in that: The movable sealing mechanism (4) includes a movable sealing arc plate (41), and fixed end blocks (42) are symmetrically provided at both ends of the movable sealing arc plate (41). The outer surfaces of the movable sealing arc plate (41) and the fixed end blocks (42) are in contact with the inner side of the mounting groove on the surface of the rotary drilling cylinder (1).

4. A vertical drilling double-bottom rotary drilling bit according to claim 1, characterized in that: The connecting limiting mechanism (5) includes a movable limiting rod (51), which slides and fits against the inner side of the internal fixed slot of the rotary drilling cylinder (1) and the inside of the fixed end block (42). The top of the movable limiting rod (51) is fixedly connected to a connecting top seat (52), and the inner side of the connecting top seat (52) is movably connected to a movable deflection arm (53) via a connecting shaft. A limiting insertion hole (55) is opened at the end of the movable deflection arm (53) away from the connecting top seat (52), and a connecting handle (54) is fixedly connected to the top of the movable deflection arm (53).

5. A vertical drilling double-bottom rotary drilling bit according to claim 4, characterized in that: The fixed positioning mechanism (6) includes a fixed seat (61) and a fixed positioning block (62) located on the top of the connecting top block (3). The fixed seat (61) is connected to a threaded rod (63) by a thread. One end of the threaded rod (63) is fixedly connected to a connecting limiting plate (64). The side of the connecting limiting plate (64) away from the threaded rod (63) is fixedly connected to a connecting positioning insert (65).

6. A vertical drilling double-bottom rotary drilling bit according to claim 5, characterized in that: The outer side of the end surface of the connecting positioning rod (65) slides and fits against the inner side of the limiting hole (55).

Images