High-strength reamer bit for long screw pile machine

Abstract

The utility model relates to the technical field of reamer bits, in particular to a high-strength reamer bit for a long screw pile machine, which comprises a rotary drilling mechanism, a pushing mechanism and a connecting mechanism, the pushing mechanism is fixedly arranged on one side of the rotary drilling mechanism, and the connecting mechanism is fixedly arranged on one side of the rotary drilling mechanism. The rotary drilling mechanism comprises a heading head, a heading face, a connecting block, a threaded ring, a pushing column, a threaded groove, a small rotating blade, a movable opening and a screw rod, and the heading face is fixedly arranged on one side of the heading head. When the high-strength reamer bit for the long screw pile machine is used, firstly, the device can conduct reaming drilling through the combination effect of a tunneling head, a tunneling face and a connecting block, a telescopic motor runs to drive a telescopic rod to move, the length of a pushing column can be adjusted, and when a slightly hard soil layer is encountered, the device can conduct reaming drilling; the reaming efficiency is guaranteed through forward pushing, and the device is simple in structure and convenient to maintain.

Description

Technical Field

[0001] The utility model relates to the technical field of hole enlarging drill bits, in particular to a hole enlarging drill bit for a long spiral pile driver with high strength. Background Art

[0002] At present, the foundation of high-rise or large buildings mostly adopts reinforced concrete bored piles. In the construction process, long screw pile drivers are mostly used to drill equal-diameter piles, which have poor bearing capacity. In order to increase the bearing capacity of the piles, people have thought of expanding the pile holes into cones at appropriate positions.

[0003] In the Chinese utility model patent application disclosure specification CN203321328U, a hole reaming drill bit for a long spiral pile driver is disclosed, comprising a drill rod, a drill tip is fixedly connected to the lower end of the drill rod, a spiral blade is fixedly connected to the outer wall of the drill rod, a hole reaming device is connected to the lower end of the spiral blade, and a power drive device that can drive the hole reaming device to expand or close is provided on the spiral blade. The hole reaming drill bit of the utility model adopts the above technical solution and integrates the functions of drilling, hole cleaning, hole reaming and grouting. The pile hole operation can be completed by drilling once, and the pile quality is high, the structure is reasonable, and it is easy to use. However, the structure of the device is slightly complicated, which makes its future maintenance slightly inconvenient, and the manufacturing cost is high. For this reason, we propose a hole reaming drill bit for a long spiral pile driver with high strength. Utility Model Content

[0004] The utility model aims to provide a high-strength reaming drill bit for a long screw pile driver to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A high-strength reaming drill bit for a long spiral pile driver comprises a rotary drilling mechanism, a pushing mechanism and a connecting mechanism, wherein the pushing mechanism is fixedly arranged on one side of the rotary drilling mechanism, and the connecting mechanism is fixedly arranged on one side of the rotary drilling mechanism. The rotary drilling mechanism comprises a tunneling head, a tunneling surface, a connecting block, a threaded ring, a pushing column, a threaded groove, a small rotating blade, a movable opening and a spiral rod, wherein the tunneling surface is fixedly arranged on one side of the tunneling head, the connecting block is fixedly arranged on one side of the tunneling head, the threaded ring is fixedly arranged on one side of the connecting block, the threaded groove is arranged on one side of the pushing column, the small rotating blade is fixedly arranged on the pushing column, the movable opening is arranged on one side of the spiral rod, the pushing column is fixedly arranged inside the movable opening, and the threaded ring is movably arranged inside the threaded groove.

[0007] Preferably, the pushing mechanism comprises a telescopic rod, a telescopic sleeve, a telescopic motor, a rotating ring, a joint and a power cord, and the telescopic rod is fixedly arranged at one end of the pushing column.

[0008] With the above solution, the telescopic rod is provided so that the push column can be telescopically moved.

[0009] Preferably, the telescopic sleeve is fixedly arranged on one side of the telescopic rod, and the telescopic motor is fixedly arranged on one side of the telescopic sleeve.

[0010] Through the above solution, the telescopic rod can be telescoped by providing a telescopic motor.

[0011] Preferably, the rotating ring is fixedly arranged on one side of the telescopic motor, the connector is fixedly arranged on one side of the rotating ring, and the power cord is fixedly arranged on one side of the connector.

[0012] According to the above solution, a power line is provided to connect the power source.

[0013] Preferably, the connecting mechanism comprises a connecting column, a large rotating blade, a connecting port, a fixing block and a fixing bolt, and the connecting column is fixedly arranged on one side of the spiral rod.

[0014] Through the above solution, the length of the spiral rod can be extended by providing a connecting column.

[0015] Preferably, the large rotating blade is fixedly arranged on the connecting column, and the connecting port is fixedly arranged between the connecting column and the spiral rod.

[0016] Through the above solution, the excavated soil can be discharged by providing large rotating blades.

[0017] Preferably, the fixing block is fixedly arranged on the connecting port, and the fixing bolt is fixedly arranged on the fixing block.

[0018] With the above solution, the fixing block can be fixed on the connection port by providing the fixing bolts.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] 1. This high-strength reaming drill bit for a long spiral pile driver, when in use, firstly enables the device to perform reaming drilling through the combined action of the excavation head, the excavation surface and the connecting block, and drives the telescopic rod to move through the operation of the telescopic motor, so that the push column can be adjusted in length. When encountering a slightly hard soil layer, the efficiency of reaming is ensured by pushing forward, and the structure of the device is simple and easy to maintain.

[0021] 2. The reaming drill bit for a high-strength long spiral pile driver is provided with a large rotating blade so that the excavated soil can be discharged, a fixing bolt is provided so that the fixing block can be fixed on the connection port, and a power cord is provided for connecting the power supply. The above design improves the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 The overall structure of the utility model is shown in FIG. Figure 1 ;

[0023] Figure 2 The overall structure of the utility model is shown in FIG. Figure 2 ;

[0024] Figure 3 It is a schematic diagram of the driving mechanism of the utility model;

[0025] Figure 4 For this utility model Figure 2 A magnified schematic diagram of center A.

[0026] In the figure: 1. rotary drilling mechanism; 101. excavation head; 102. excavation face; 103. connecting block; 104. threaded ring; 105. pushing column; 106. threaded groove; 107. small rotating blade; 108. movable opening; 109. screw rod; 2. pushing mechanism; 201. telescopic rod; 202. telescopic sleeve; 203. telescopic motor; 204. rotating ring; 205. joint; 206. power cord; 3. connecting mechanism; 301. connecting column; 302. large rotating blade; 303. connecting opening; 304. fixing block; 305. fixing bolt. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1 - Figure 4 As shown, a technical solution provided by the utility model:

[0029] A high-strength reaming drill bit for a long spiral pile driver comprises a rotary drilling mechanism 1, a pushing mechanism 2 and a connecting mechanism 3, wherein the pushing mechanism 2 is fixedly arranged on one side of the rotary drilling mechanism 1, and the connecting mechanism 3 is fixedly arranged on one side of the rotary drilling mechanism 1. The rotary drilling mechanism 1 comprises a boring head 101, a boring face 102, a connecting block 103, a threaded ring 104, a pushing column 105, a threaded groove 106, a small rotating blade 107, a movable opening 108 and a spiral rod 109, wherein the boring face 102 is fixedly arranged on one side of the boring head 101, the connecting block 103 is fixedly arranged on one side of the boring head 101, the threaded ring 104 is fixedly arranged on one side of the connecting block 103, the threaded groove 106 is provided on one side of the pushing column 105, the small rotating blade 107 is fixedly arranged on the pushing column 105, the movable opening 108 is provided on one side of the spiral rod 109, the pushing column 105 is fixedly arranged inside the movable opening 108, and the threaded ring 104 is movably arranged inside the threaded groove.

[0030] In this embodiment, preferably, the pushing mechanism 2 includes a telescopic rod 201 , a telescopic sleeve 202 , a telescopic motor 203 , a rotating ring 204 , a joint 205 and a power cord 206 , and the telescopic rod 201 is fixedly arranged at one end of the pushing column 105 .

[0031] According to the above solution, the telescopic rod 201 is provided so that the push column 105 can be telescopically moved.

[0032] In this embodiment, preferably, the telescopic sleeve 202 is fixedly disposed on one side of the telescopic rod 201 , and the telescopic motor 203 is fixedly disposed on one side of the telescopic sleeve 202 .

[0033] According to the above solution, the telescopic rod 201 can be telescoped by providing the telescopic motor 203 .

[0034] In this embodiment, preferably, the rotating ring 204 is fixedly arranged on one side of the telescopic motor 203 , the connector 205 is fixedly arranged on one side of the rotating ring 204 , and the power cord 206 is fixedly arranged on one side of the connector 205 .

[0035] According to the above solution, a power line 206 is provided for connecting a power source.

[0036] In this embodiment, preferably, the connection mechanism 3 includes a connection column 301 , a large rotating blade 302 , a connection port 303 , a fixing block 304 and a fixing bolt 305 , and the connection column 301 is fixedly disposed on one side of the spiral rod 109 .

[0037] According to the above solution, the length of the spiral rod 109 can be extended by providing the connecting column 301 .

[0038] In this embodiment, preferably, the large rotating blade 302 is fixedly disposed on the connecting column 301 , and the connecting port 303 is fixedly disposed between the connecting column 301 and the spiral rod 109 .

[0039] Through the above solution, the large rotating blades 302 are provided so that the excavated soil can be discharged.

[0040] In this embodiment, preferably, the fixing block 304 is fixedly disposed on the connecting port 303 , and the fixing bolt 305 is fixedly disposed on the fixing block 304 .

[0041] Through the above solution, the fixing block 304 can be fixed on the connection port 303 by providing the fixing bolts 305 .

[0042] When the reaming drill bit for a high-strength long screw pile driver of the present embodiment is used, first, the combined action of the excavation head 101, the excavation face 102 and the connecting block 103 enables the device to perform reaming drilling, and the telescopic motor 203 drives the telescopic rod 201 to move, so that the push column 105 can be adjusted in length. When encountering a slightly hard soil layer, the efficiency of reaming is ensured by pushing forward. The structure of the device is simple and maintenance is convenient. The large rotating blade 302 is provided so that the excavated soil can be discharged, and the fixing bolt 305 is provided so that the fixing block 304 can be fixed on the connecting port 303. The power cord 206 is provided for connecting the power supply. The above design improves the practicality of the device.

[0043] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A high-strength reaming drill bit for a long screw pile driver, comprising a rotary drilling mechanism (1), a pushing mechanism (2) and a connecting mechanism (3), Features: The pushing mechanism (2) is fixedly arranged on one side of the rotary drilling mechanism (1), and the connecting mechanism (3) is fixedly arranged on one side of the rotary drilling mechanism (1). The rotary drilling mechanism (1) comprises a boring head (101), a boring face (102), a connecting block (103), a threaded ring (104), a pushing column (105), a threaded groove (106), a small rotating blade (107), a movable opening (108) and a screw rod (109). The boring face (102) is fixedly arranged on one side of the boring head (101), and the connecting block (103) is fixedly arranged on one side of the boring head (101). 03) is fixedly arranged on one side of the tunneling head (101), the threaded ring (104) is fixedly arranged on one side of the connecting block (103), the threaded groove (106) is opened on one side of the pushing column (105), the small rotating blade (107) is fixedly arranged on the pushing column (105), the movable opening (108) is opened on one side of the screw rod (109), the pushing column (105) is fixedly arranged inside the movable opening (108), and the threaded ring (104) is movably arranged inside the threaded groove (106).

2. A high-strength reamer drill bit for a long screw pile driver according to claim 1, Features: The pushing mechanism (2) comprises a telescopic rod (201), a telescopic sleeve (202), a telescopic motor (203), a rotating ring (204), a joint (205) and a power line (206); the telescopic rod (201) is fixedly arranged at one end of the pushing column (105).

3. A high-strength reamer drill bit for a long screw pile driver according to claim 2, Features: The telescopic sleeve (202) is fixedly arranged on one side of the telescopic rod (201), and the telescopic motor (203) is fixedly arranged on one side of the telescopic sleeve (202).

4. A high-strength reamer drill bit for a long screw pile driver according to claim 2, Features: The rotating ring (204) is fixedly arranged on one side of the telescopic motor (203), the connector (205) is fixedly arranged on one side of the rotating ring (204), and the power line (206) is fixedly arranged on one side of the connector (205).

5. A high-strength reamer drill bit for a long screw pile driver according to claim 1, Features: The connection mechanism (3) comprises a connection column (301), a large rotating blade (302), a connection port (303), a fixing block (304) and a fixing bolt (305); the connection column (301) is fixedly arranged on one side of the spiral rod (109).

6. A high-strength reamer drill bit for a long screw pile driver according to claim 5, Features: The large rotating blade (302) is fixedly arranged on the connecting column (301), and the connecting port (303) is fixedly arranged between the connecting column (301) and the spiral rod (109).

7. A high-strength reamer drill bit for a long screw pile driver according to claim 5, Features: The fixing block (304) is fixedly arranged on the connection port (303), and the fixing bolt (305) is fixedly arranged on the fixing block (304).

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