Reamer for geological drilling

Abstract

The utility model provides a reamer for geological drilling. The reamer for geological drilling comprises a bottom plate, two supporting blocks, a top plate, a drill rod and a drilling and reaming mechanism, the two supporting blocks are symmetrically installed on the top of the bottom plate, the top plate is installed on the tops of the two supporting blocks, the drill rod is arranged below the bottom of the top plate and located between the two supporting blocks, and the drilling and reaming mechanism is arranged on the bottom of the top plate. The drilling and reaming mechanism is arranged on the drill rod; the drilling and reaming mechanism comprises a drilling assembly, and the drilling assembly comprises a first connecting plate, a drill bit and a second connecting plate. According to the reamer for geological drilling, the drilling and reaming mechanism is arranged, so that the reamer is simple in structure, a drill bit and a reaming assembly can be replaced according to actual needs, drilling and reaming work is conducted at the same time, the problem that reaming equipment needs to be replaced after drilling is conducted is solved, the workload can be reduced, and the working efficiency is improved. And the working efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of drilling and reaming equipment, in particular to a reamer used for geological drilling. Background Art

[0002] Geological drilling refers to a geological project that uses certain drilling machinery and technology to obtain rock and mineral cores below the surface to make reliable evaluations of geological and mineral resource parameters. Drilling is an important technical means in geological exploration. A drill rig drills downward from the surface to form a cylindrical borehole in the stratum to identify and divide the stratum. Rock cores, ore samples, and soil samples can be obtained from different depths in the borehole for analysis and research to determine the physical and mechanical properties and indicators of rocks and soil layers to provide design needs.

[0003] A utility model patent with the announcement number CN 218581560 U discloses a hole expander for geological drilling, including a support slot plate, an automatic hole expansion mechanism and an auxiliary moving mechanism, the bottom ends of the inner walls of the two support slot plates are fixedly installed with electric telescopic rods, the top ends of the two electric telescopic rods are fixedly installed with sliding plates, and the middle of the sliding plates is fixedly installed with auxiliary bearings. The utility model starts a bidirectional motor to drive the connecting shaft to rotate, so that the spiral rod connected to the connecting shaft rotates, and then drives the drill bit to rotate, and at the same time starts the two electric telescopic rods to shrink, driving the sliding plate to move downward, so that the rotating drill bit passes through the positioning cylinder and contacts the hole, and then expands the hole, continues downward, and expands the hole in depth. After completion, the bidirectional motor reverses, and the electric telescopic rod extends, and the drill bit is taken out, so that the hole can be expanded automatically, realizing intelligent operation.

[0004] Regarding the above-mentioned related technologies, the utility model applicant believes that there are the following defects:

[0005] 1. The above-mentioned equipment needs to perform secondary drilling on the basis of the original hole after pre-drilling with a drill bit, so as to achieve the hole expansion effect. However, this method will lead to the problem of replacing the hole expansion equipment during the drilling process, which increases the workload of the staff and reduces the efficiency of geological drilling.

[0006] Therefore, it is necessary to provide a new reamer for geological drilling to solve the above technical problems. Utility Model Content

[0007] The technical problem solved by the utility model is to provide a reamer for geological drilling which has the advantages of simple structure by setting a drilling and reaming mechanism, and can replace the drill bit and reaming components according to actual needs, and can perform drilling and reaming work at the same time, avoiding the problem of needing to drill first and then replace the reaming equipment, thereby reducing workload and improving work efficiency.

[0008] In order to solve the above technical problems, the utility model provides a reamer for geological drilling, comprising: a bottom plate, two support blocks, a top plate, a drill rod and a drilling and reaming mechanism, wherein the two support blocks are symmetrically mounted on the top of the bottom plate, the top plate is mounted on the top of the two support blocks, the drill rod is arranged below the bottom of the top plate, the drill rod is located between the two support blocks, and the drilling and reaming mechanism is arranged on the drill rod;

[0009] The drilling and expanding mechanism includes a drilling assembly, which includes a connecting plate 1, a drill bit and a connecting plate 2. The connecting plate 1 is fixedly installed on the bottom of the drill rod, the drill bit is arranged below the bottom of the connecting plate 1, and the connecting plate 2 is fixedly installed on the top of the drill bit. The connecting plate 2 and the connecting plate 1 are connected and fixed by a plurality of fixing bolts 1.

[0010] As a further solution of the utility model, the reaming assembly includes an reaming arc block 1, an reaming arc block 2, two limit plug blocks, two limit sliders 1, two limit sliders 2, two fixed blocks 1, two fixed blocks 2 and two groups of fixed bolts 2. The reaming arc block 1 and the reaming arc block 2 are both fitted and merged with the drill rod. The reaming arc block 1 and the reaming arc block 2 are adapted to the drill rod. Two limit slots are provided on the reaming arc block 1. The two limit sliders 1 are both installed on the reaming arc block 2. The two limit sliders 1 are respectively adapted to the two limit slots.

[0011] As a further solution of the utility model, a limiting slide groove 1 and a limiting slide groove 2 are provided in the limiting slot, two limiting slide blocks 1 and two limiting slide blocks 2 are respectively installed on two limiting plug blocks, the limiting slide block 1 and the limiting slide block 2 are adapted to the limiting slide groove 1 and the limiting slide groove 2, two fixing blocks 1 are both installed on the top of the hole expansion arc block 2, two fixing blocks 2 are both installed on the top of the hole expansion arc block 1, and the two fixing blocks 1 and the two fixing blocks 2 are connected and fixed by two sets of fixing bolts 2.

[0012] As a further solution of the utility model, a through opening is opened at the top of the base plate, and four universal wheels are arranged at the bottom of the base plate, and the four universal wheels are distributed in a rectangular array.

[0013] As a further solution of the utility model, a servo motor is provided at the top of the drill rod, and the output shaft of the servo motor is fixedly connected to the top of the drill rod. An electric telescopic rod is installed on the top plate, and the output shaft of the electric telescopic rod is fixedly connected to the servo motor through a fixing plate. Connecting blocks are installed on the outer walls of both sides of the servo motor, and through grooves are provided on the outer walls on the sides where the two support blocks are close to each other, and round rods are installed in the two through grooves, and the bottom ends of the round rods are fixedly connected to the top of the bottom plate.

[0014] As a further solution of the utility model, a limit slider three is slidably installed on the two round rods, and the limit slider three is adapted to the through groove. The sides of the two connecting blocks that are away from each other are respectively fixedly connected to the two limit sliders three. A telescopic spring is slidably sleeved on the two round rods, and the top end of the telescopic spring is fixedly connected to the bottom of the limit slider three, and the bottom end of the telescopic spring is fixedly connected to the top of the base plate. Two sets of reinforcing ribs are fixedly installed on the top of the base plate, and the two sets of reinforcing ribs are respectively fixedly connected to the two support blocks.

[0015] Compared with the related art, the reamer for geological drilling provided by the utility model has the following beneficial effects:

[0016] 1. The utility model has a simple structure by setting a drilling and reaming mechanism. The drill bit and reaming assembly can be replaced according to actual needs, and drilling and reaming work can be performed at the same time, avoiding the problem of drilling first and then replacing the reaming equipment, thereby reducing workload and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings.

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the hole expansion component in the utility model;

[0020] Figure 3 for Figure 2 Schematic diagram of the enlarged structure of part A.

[0021] In the figure: 1. bottom plate; 2. support block; 3. top plate; 4. drill rod; 5. connecting plate 1; 6. drill bit; 7. connecting plate 2; 81. reaming arc block 1; 82. reaming arc block 2; 83. limit plug; 84. limit slider 1; 85. limit slider 2; 86. fixing block 1; 87. fixing block 2; 88. fixing bolt 2; 9. servo motor; 10. electric telescopic rod; 11. connecting block; 12. round rod; 13. limit slider 3; 14. telescopic spring; 15. reinforcing rib. DETAILED DESCRIPTION

[0022] Please refer to Figure 1 , Figure 2 and Figure 3 ,in, Figure 1 It is a schematic diagram of the structure of the utility model; Figure 2 It is a structural schematic diagram of the hole expansion component in the utility model; Figure 3 for Figure 2The enlarged structural diagram of part A in the middle. The reamer used for geological drilling comprises: a bottom plate 1, two support blocks 2, a top plate 3, a drill rod 4 and a drilling and reaming mechanism, the two support blocks 2 are symmetrically mounted on the top of the bottom plate 1, the top plate 3 is mounted on the top of the two support blocks 2, the drill rod 4 is arranged below the bottom of the top plate 3, the drill rod 4 is located between the two support blocks 2, and the drilling and reaming mechanism is arranged on the drill rod 4;

[0023] The drilling and expanding mechanism includes a drilling assembly, which includes a connecting plate 5, a drill bit 6 and a connecting plate 2 7. The connecting plate 5 is fixedly mounted on the bottom of the drill rod 4, the drill bit 6 is arranged below the bottom of the connecting plate 5, and the connecting plate 2 7 is fixedly mounted on the top of the drill bit 6. The connecting plate 2 7 and the connecting plate 1 5 are connected and fixed by a plurality of fixing bolts.

[0024] The reaming assembly includes an reaming arc block 81, an reaming arc block 82, two limit plug blocks 83, two limit sliders 84, two limit sliders 85, two fixed blocks 86, two fixed blocks 87 and two sets of fixed bolts 88. The reaming arc block 81 and the reaming arc block 82 are both fitted and merged with the drill rod 4. The reaming arc block 81 and the reaming arc block 82 are adapted to the drill rod 4. Two limit slots are provided on the reaming arc block 81. Two limit sliders 84 are installed on the reaming arc block 82. The two limit sliders 84 are adapted to the two limit slots respectively.

[0025] The limiting slot is provided with a limiting slide groove 1 and a limiting slide groove 2, two limiting sliders 1 84 and two limiting sliders 2 85 are respectively installed on two limiting plug blocks 83, the limiting slider 1 84 and the limiting slider 2 85 are adapted to the limiting slide groove 1 and the limiting slide groove 2, two fixing blocks 1 86 are both installed on the top of the hole-expanding arc block 2 82, two fixing blocks 2 87 are both installed on the top of the hole-expanding arc block 1 81, and the two fixing blocks 1 86 and the two fixing blocks 2 87 are connected and fixed by two sets of fixing bolts 2 88.

[0026] The top of the bottom plate 1 is provided with a through opening, and the bottom of the bottom plate 1 is provided with four universal wheels, which are distributed in a rectangular array.

[0027] A servo motor 9 is provided at the top of the drill rod 4, and the output shaft of the servo motor 9 is fixedly connected to the top of the drill rod 4. An electric telescopic rod 10 is installed on the top plate 3, and the output shaft of the electric telescopic rod 10 is connected and fixed to the servo motor 9 through a fixing plate. Connecting blocks 11 are installed on the outer walls of both sides of the servo motor 9, and through grooves are opened on the outer walls of the two support blocks 2 on the sides close to each other, and round rods 12 are installed in the two through grooves, and the bottom ends of the round rods 12 are fixedly connected to the top of the bottom plate 1.

[0028] A limit slider three 13 is slidably installed on the two round rods 12, and the limit slider three 13 is adapted to the through groove. The sides of the two connecting blocks 11 that are away from each other are fixedly connected to the two limit sliders three 13 respectively. A telescopic spring 14 is slidably sleeved on the two round rods 12, and the top of the telescopic spring 14 is fixedly connected to the bottom of the limit slider three 13, and the bottom end of the telescopic spring 14 is fixedly connected to the top of the base plate 1. Two groups of reinforcing ribs 15 are fixedly installed on the top of the base plate 1, and the two groups of reinforcing ribs 15 are fixedly connected to the two support blocks 2 respectively.

[0029] The working principle of the reamer for geological drilling provided by the utility model is as follows:

[0030] The first step: when in use, the electric telescopic rod 10 drives the drilling and reaming mechanism to move up and down, and the servo motor 9 can drive the drilling and reaming mechanism to perform rotational drilling work. Specifically, the output shaft of the servo motor 9 drives the drill rod 4, the reaming assembly, the drill rod 4, the connecting plate 1 5, the connecting plate 2 7 and the drill bit 6 to rotate, and the drill bit 6 is used to rotate the hole. When the reaming assembly enters the hole drilled by the drill bit 6, the reaming assembly can also be used to perform reaming work;

[0031] Step 2: When disassembling the hole expansion assembly, first rotate and take out the two sets of fixing bolts 88, then slide upward to pull out the hole expansion arc block 82, so that the hole expansion arc block 82 drives the two limit plugs 83, the two limit sliders 84 and the two limit sliders 85 to be pulled out from the two limit slots, the two limit slides 1 and the two limit slides 2 on the hole expansion arc block 81, thereby completing the disassembly work. Similarly, it can be installed, making the operation simple, and the hole expansion assembly can be replaced as needed, thereby improving the use effect;

[0032] The third step: by rotating the fixing bolt 1 on the connecting plate 1 5 , the drill bit 6 and the connecting plate 2 7 can be separated from the connecting plate 1 5 , and then the drill bit 6 can be replaced according to actual needs.

[0033] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0034] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0035] Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations or direct or indirect applications may be made to these embodiments without departing from the principles and spirit of the present invention. In other related technical fields, the scope of the present invention is defined by the attached claims and their equivalents, which are equally included in the scope of patent protection of the present invention.

Claims

1. A hole expander for geological drilling, characterized in that: include: A bottom plate, two support blocks, a top plate, a drill rod and a drilling and reaming mechanism, wherein the two support blocks are symmetrically mounted on the top of the bottom plate, the top plate is mounted on the top of the two support blocks, the drill rod is arranged below the bottom of the top plate, the drill rod is located between the two support blocks, and the drilling and reaming mechanism is arranged on the drill rod; The drilling and expanding mechanism includes a drilling assembly, which includes a connecting plate 1, a drill bit and a connecting plate 2. The connecting plate 1 is fixedly installed on the bottom of the drill rod, the drill bit is arranged below the bottom of the connecting plate 1, and the connecting plate 2 is fixedly installed on the top of the drill bit. The connecting plate 2 and the connecting plate 1 are connected and fixed by a plurality of fixing bolts 1.

2. The reamer for geological drilling according to claim 1, characterized in that: The reaming assembly includes an reaming arc block 1, an reaming arc block 2, two limit plug blocks, two limit sliders 1, two limit sliders 2, two fixed blocks 1, two fixed blocks 2 and two groups of fixed bolts 2. The reaming arc block 1 and the reaming arc block 2 are both fitted and merged with the drill rod. The reaming arc block 1 and the reaming arc block 2 are adapted to the drill rod. The reaming arc block 1 is provided with two limit slots. The two limit sliders 1 are both installed on the reaming arc block 2. The two limit sliders 1 are adapted to the two limit slots respectively.

3. The reamer for geological drilling according to claim 2, characterized in that: The limiting slot is provided with a limiting slide groove 1 and a limiting slide groove 2, two limiting sliders 1 and two limiting sliders 2 are respectively installed on two limiting plug blocks, the limiting slider 1 and the limiting slider 2 are adapted to the limiting slide groove 1 and the limiting slide groove 2, two fixing blocks 1 are both installed on the top of the hole expansion arc block 2, two fixing blocks 2 are both installed on the top of the hole expansion arc block 1, and the two fixing blocks 1 and the two fixing blocks 2 are connected and fixed by two sets of fixing bolts 2.

4. The reamer for geological drilling according to claim 1, characterized in that: A through opening is provided on the top of the bottom plate, and four universal wheels are provided on the bottom of the bottom plate. The four universal wheels are distributed in a rectangular array.

5. The reamer for geological drilling according to claim 1, characterized in that: A servo motor is provided on the top of the drill rod, and the output shaft of the servo motor is fixedly connected to the top of the drill rod. An electric telescopic rod is installed on the top plate, and the output shaft of the electric telescopic rod is fixedly connected to the servo motor through a fixing plate. Connecting blocks are installed on the outer walls of both sides of the servo motor, and through grooves are provided on the outer walls on the sides where the two support blocks are close to each other. Round rods are installed in the two through grooves, and the bottom ends of the round rods are fixedly connected to the top of the bottom plate.

6. The reamer for geological drilling according to claim 5, characterized in that: A limit slider three is slidably installed on the two round rods, and the limit slider three is adapted to the through slot. The sides of the two connecting blocks that are away from each other are fixedly connected to the two limit sliders three respectively. A telescopic spring is slidably sleeved on the two round rods, and the top of the telescopic spring is fixedly connected to the bottom of the limit slider three, and the bottom end of the telescopic spring is fixedly connected to the top of the bottom plate. Two sets of reinforcing ribs are fixedly installed on the top of the bottom plate, and the two sets of reinforcing ribs are fixedly connected to the two support blocks respectively.

Images