Drill bit structure for building construction

Abstract

The utility model relates to the technical field of building construction equipment, and discloses a drill bit structure for building construction, which comprises a spiral drill rod, a square box, a first insertion rod and a second insertion rod, an upper tooth holder slidably penetrates through the front side of the square box, the first insertion rod is fixedly connected to the bottom end of the upper tooth holder, and the second insertion rod is fixedly connected to the bottom end of the square box. The rear side of the square box is located below the upper tooth base and slidably penetrates through a lower tooth base, the second insertion rod is fixedly connected to the bottom end of the lower tooth base, a positioning opening is formed in the side portion of the spiral drill rod, the first insertion rod and the second insertion rod are both matched with the positioning opening, an anti-torsion groove is formed in the bottom of the square box, and the anti-torsion groove is fixedly connected with the spiral drill rod. A torsion-resistant groove is formed in the square box, a torsion-resistant inserting piece matched with the torsion-resistant groove is arranged on the spiral drill rod, the square box is rotationally connected with a transverse shaft through a bearing seat, and a gear ring is fixedly connected to the outer portion of the transverse shaft in a sleeved mode. And the dismounting operation is simpler and more labor-saving.

Description

Technical Field

[0001] The utility model relates to the technical field of construction equipment, and more specifically, the utility model relates to a drill bit structure for construction. Background Technique

[0002] Construction refers to the production activities in the implementation stage of project construction, which is the construction process of various buildings, mainly including foundation engineering construction, main structure construction, roof engineering construction, and decoration engineering construction, etc. Among them, a rotary drilling rig is required for hole forming operation in building foundation engineering. The drill bit of the existing rotary drilling rig is usually formed by welding a spiral drill rod and a square box together. The spiral drill rod and the square box cannot be disassembled. The square box is fixedly connected to the rotary drilling rig by a pin. If the spiral drill rod in the drill bit is damaged, the square box is disassembled and assembled on the rotary drilling rig for replacement. This process requires using tools to punch out and insert the pin, and the disassembly and assembly operations are inconvenient and laborious, affecting the convenience of the later maintenance of the drill bit structure. Based on this, the utility model designs a drill bit structure for construction to solve the above problems. Content of the Utility Model

[0003] The purpose of the utility model is to provide a drill bit structure for construction to solve the problems raised in the above background technique.

[0004] To achieve the above purpose, the utility model provides the following technical solutions:

[0005] A drill bit structure for construction includes a spiral drill rod, a square box, a first insertion rod, and a second insertion rod. The front side of the square box is slidably penetrated by an upper tooth seat. The first insertion rod is fixedly connected to the bottom end of the upper tooth seat. The rear side of the square box is slidably penetrated by a lower tooth seat below the upper tooth seat. The second insertion rod is fixedly connected to the bottom end of the lower tooth seat. A positioning port is opened on the side of the spiral drill rod. Both the first insertion rod and the second insertion rod are adapted to the positioning port. An anti-torsion groove is opened at the bottom of the square box. An anti-torsion plug adapted to the anti-torsion groove is arranged on the spiral drill rod. The square box is rotatably connected to a horizontal shaft through a bearing seat. A tooth ring is fixedly sleeved on the outside of the horizontal shaft. The tooth ring is meshed and connected between the upper tooth seat and the lower tooth seat. One end of the horizontal shaft is fixedly connected to a handwheel. A locking screw is threadedly connected between the square box and the handwheel. One end of the locking screw is fixedly connected to a knob block.

[0006] As a preferred technical solution of the utility model, the anti-torsion plug includes a rectangular long block and a rectangular short block. The rectangular long block is fixedly connected to the upper end of the spiral drill rod. The rectangular short block is fixedly connected to the upper end of the rectangular long block.

[0007] As a preferred technical solution of the utility model, a front stop block is fixedly sleeved on the outside of the upper tooth seat, and a rear stop block is fixedly sleeved on the outside of the lower tooth seat.

[0008] As a preferred technical solution of the present utility model, the cross-sectional shapes of the front stop block and the rear stop block are both in the shape of a double-square character.

[0009] As a preferred technical solution of the present utility model, a sealing partition is fixedly installed inside the square box, and the sealing partition is located above the upper tooth seat.

[0010] As a preferred technical solution of the present utility model, an installation groove is formed by the cooperation between the square box and the upper tooth seat, a connecting pin hole is opened on the side of the square box, and the installation groove is communicated with the connecting pin hole.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] In the present utility model, the anti-torsion plug is inserted into the anti-torsion groove at the bottom of the square box, which plays a good anti-torsion and limiting effect. The handwheel and the horizontal shaft are rotated in the opposite direction. When the toothed ring rotates with the horizontal shaft, it can drive the upper tooth seat and the lower tooth seat to move, so that the first insertion rod and the second insertion rod approach each other and are respectively inserted into both sides of the positioning port, and the spiral drill rod and the square box can be locked and positioned. Turning the knob block to screw the locking stud onto the square box can complete the installation, making the spiral drill rod and the square box easy to disassemble quickly, so that the damaged spiral drill rod in the drill bit can be replaced separately, and no tools are required for disassembly and assembly. The disassembly and assembly operations are more convenient and labor-saving, which is beneficial to improving the convenience of the later maintenance of the drill bit structure. Description of the Drawings

[0013] Figure 1 is a three-dimensional structure diagram of a drill bit structure for building construction of the present utility model;

[0014] Figure 2 is a first sectional structure diagram of a drill bit structure for building construction of the present utility model;

[0015] Figure 3 is a second sectional structure diagram of a drill bit structure for building construction of the present utility model;

[0016] Figure 4 is a three-dimensional structure diagram of the spiral drill rod and the anti-torsion plug in a drill bit structure for building construction of the present utility model.

[0017] In the figure: 1, auger stem; 101, positioning port; 2, square box; 201, anti-torsion groove; 202, bearing seat; 203, sealing partition; 204, installation groove; 205, connecting pin hole; 3, upper tooth seat; 301, front stop; 4, first insertion rod; 5, lower tooth seat; 501, rear stop; 6, second insertion rod; 7, anti-torsion plug-in; 701, rectangular long block; 702, rectangular short block; 8, horizontal shaft; 801, handwheel; 802, locking stud; 803, knob block; 9, tooth ring. Detailed implementation mode

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0019] As Figures 1 to 4 shown, the present invention provides a drill bit structure for building construction, including an auger stem 1, a square box 2, a first insertion rod 4 and a second insertion rod 6. The front side of the square box 2 is slidably penetrated by an upper tooth seat 3, and the first insertion rod 4 is fixedly connected to the bottom end of the upper tooth seat 3. The rear side of the square box 2 is slidably penetrated below the upper tooth seat 3 by a lower tooth seat 5, and the second insertion rod 6 is fixedly connected to the bottom end of the lower tooth seat 5. A positioning port 101 is provided on the side of the auger stem 1. Both the first insertion rod 4 and the second insertion rod 6 are adapted to the positioning port 101. The first insertion rod 4 and the second insertion rod 6 are respectively inserted into both sides of the positioning port 101, which can lock and position the auger stem 1 and the square box 2. An anti-torsion groove 201 is provided at the bottom of the square box 2, and an anti-torsion plug-in 7 adapted to the anti-torsion groove 201 is provided on the auger stem 1. The anti-torsion plug-in 7 is inserted into the anti-torsion groove 201 at the bottom of the square box 2, playing a good anti-torsion limiting effect. The square box 2 is rotatably connected to a horizontal shaft 8 through a bearing seat 202. A tooth ring 9 is fixedly sleeved on the outside of the horizontal shaft 8. The tooth ring 9 is meshed and connected between the upper tooth seat 3 and the lower tooth seat 5. When the tooth ring 9 rotates with the horizontal shaft 8, it can drive the upper tooth seat 3 and the lower tooth seat 5 to move. One end of the horizontal shaft 8 is fixedly connected to a handwheel 801. A locking stud 802 is threadedly connected between the square box 2 and the handwheel 801. One end of the locking stud 802 is fixedly connected to a knob block 803. Using the knob block 803 is convenient for screwing and rotating the locking stud 802.

[0020] Among them, as Figure 4 shown, the anti-torsion plug-in 7 includes a rectangular long block 701 and a rectangular short block 702. The rectangular long block 701 is fixedly connected to the upper end of the auger stem 1, and the rectangular short block 702 is fixedly connected to the upper end of the rectangular long block 701.

[0021] Among them, asFigure 2 As shown, the upper gear seat 3 is externally fixedly sleeved with a front stopper 301, and the lower gear seat 5 is externally fixedly sleeved with a rear stopper 501. The cross-sectional shapes of the front stopper 301 and the rear stopper 501 are both in the shape of a U-shaped letter "U", thereby achieving the purpose of limiting and blocking the upper gear seat 3 and the lower gear seat 5.

[0022] Among them, Figure 3 As shown, a sealing baffle 203 is fixedly installed inside the square box 2, and the sealing baffle 203 is located above the upper gear seat 3. The sealing baffle 203 can provide good sealing and protection effects for various components in the square box 2.

[0023] Among them, Figure 3 As shown, a mounting groove 204 is formed between the square box 2 and the upper gear seat 3, and a connecting pin hole 205 is opened on the side of the square box 2. The mounting groove 204 is communicated with the connecting pin hole 205. The square box 2 can be fastened and mounted on the driving end of the rotary drilling equipment through a pin in conjunction with the connecting pin hole 205.

[0024] The working principle of this utility model:

[0025] During use, if the auger rod 1 in the drill bit is damaged and needs to be replaced, the locking stud 802 is screwed with the knob block 803 to separate it from the box 2, and the hand wheel 801 and the horizontal axis 8 are rotated forward. When the gear ring 9 rotates with the horizontal axis 8, the upper gear seat 3 and the lower gear seat 5 can be driven to move, so that the first plug rod 4 and the second plug rod 6 are separated from each other and separated from the positioning hole 101 on the auger rod 1, and the damaged auger rod 1 can be separated from the box 2 for replacement. If it is necessary to dock and install the replaced auger rod 1 with the square box 2, the anti-torsion plug-in 7 is inserted into the anti-torsion groove 201 at the bottom of the square box 2 to achieve a good anti-torsion limiting effect. The handwheel 801 and the horizontal axis 8 are rotated in opposite directions, so that the first plug-in rod 4 and the second plug-in rod 6 are close to each other and respectively inserted into the two sides of the positioning port 101, so that the auger rod 1 and the square box 2 can be locked and positioned, and the locking stud 802 can be screwed with the knob block 803 to connect it to the square box 2.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0027] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A drill bit structure for construction, characterized in that: It includes a helical drill pipe (1), a square box (2), a first insertion rod (4) and a second insertion rod (6); A top tooth seat (3) slides through the front side of the square box (2). The first insertion rod (4) is fixedly connected to the bottom end of the top tooth seat (3). A bottom tooth seat (5) slides through the rear side of the square box (2) below the top tooth seat (3). The second insertion rod (6) is fixedly connected to the bottom end of the bottom tooth seat (5). A positioning port (101) is formed on the side of the helical drill pipe (1). The first insertion rod (4) and the second insertion rod (6) are both adapted to the positioning port (101); An anti-torsion groove (201) is formed at the bottom of the square box (2). An anti-torsion plug-in (7) adapted to the anti-torsion groove (201) is arranged on the helical drill pipe (1). The square box (2) is rotatably connected to a horizontal shaft (8) through a bearing seat (202). A tooth ring (9) is fixedly sleeved on the outside of the horizontal shaft (8). The tooth ring (9) is meshed between the top tooth seat (3) and the bottom tooth seat (5). One end of the horizontal shaft (8) is fixedly connected to a hand wheel (801). A locking stud (802) is threadedly connected between the square box (2) and the hand wheel (801). One end of the locking stud (802) is fixedly connected to a knob block (803).

2. The drill bit structure for building construction according to claim 1, characterized in that: The anti-torsion plug-in (7) includes a rectangular long block (701) and a rectangular short block (702). The rectangular long block (701) is fixedly connected to the upper end of the helical drill pipe (1). The rectangular short block (702) is fixedly connected to the upper end of the rectangular long block (701).

3. The drill bit structure for building construction according to claim 1, wherein: A front stop block (301) is fixedly sleeved on the outside of the top tooth seat (3). A rear stop block (501) is fixedly sleeved on the outside of the bottom tooth seat (5).

4. The drill bit structure for building construction according to claim 3, characterized in that: The cross-sectional shapes of the front stop block (301) and the rear stop block (501) are both in the shape of a double square.

5. The drill bit structure for building construction according to claim 1, characterized in that: A sealing partition (203) is fixedly installed inside the square box (2). The sealing partition (203) is located above the top tooth seat (3).

6. The drill bit structure for construction according to claim 5, characterized in that: An installation groove (204) is formed by the cooperation between the square box (2) and the top tooth seat (3). A connecting pin hole (205) is formed on the side of the square box (2). The installation groove (204) communicates with the connecting pin hole (205).

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