Drilling device with pre-drilled hole structure

Abstract

The utility model provides a drilling device with a pre-drilling structure. The drilling device with a pre-drilling structure includes: a top plate, on which three supporting and fixing mechanisms, a drilling mechanism and a rotating mechanism are arranged; the supporting and fixing mechanism includes a support rod, a support plate, a rectangular plate, a first screw rod, a handwheel, a first internally threaded slide plate and a positioning rod, the support rod is fixedly mounted on the bottom of the top plate, the support plate is fixedly mounted on the bottom of the top plate, the rectangular plate is fixedly mounted on one side of the support rod, the first screw rod is rotatably mounted on the rectangular plate, the handwheel is fixedly mounted on the top end of the first screw rod, and the first internally threaded slide plate is threadedly sleeved on the first screw rod. The drilling device with a pre-drilling structure provided by the utility model can fix the position of the device to prevent the device from moving, and pre-drill holes to improve the efficiency of subsequent drilling.

Description

Technical Field

[0001] The utility model belongs to the technical field of drilling devices, in particular to a drilling device with a pre-drilling structure. Background Art

[0002] Drilling is one of the main means of geotechnical engineering investigation. The purpose of geotechnical engineering investigation is mainly to identify engineering geological conditions, analyze existing geological problems, and make geological evaluations of the surveyed areas.

[0003] In the related technology, a drilling device with a pre-drilling structure is disclosed, including a support plate, a drilling device is arranged at the lower end of the support plate, and a pre-drilling device is arranged at the lower end of the support plate. The pre-drilling device includes: a bracket, a bearing, a screw, a first sleeve, a second sleeve, a motor, a connecting plate, a cylinder, a motor, a connecting block, a punching drill, and a fixing device. The motor rotates to drive the punching drill at its lower end to pre-drill holes, and then the user can start the motor to rotate, and the motor rotation drives the screw to rotate. The screw rotates and the first sleeve and the second sleeve on the surface of the screw move, so that the drilling device can move with the second sleeve, thereby adjusting the position of the drilling device to work, so that the drilling device is more stable and less likely to deviate during subsequent work, and then the drilling device is started to perform drilling work, and a fixing device is arranged inside the connecting block.

[0004] However, there are still some shortcomings in the above structure. When the device is drilling, the position of the device cannot be fixed and positioned, and it is easy to move, resulting in deviation of the drilling.

[0005] Therefore, it is necessary to provide a new drilling device with a pre-drilling structure to solve the above technical problems. Utility Model Content

[0006] The technical problem solved by the utility model is to provide a drilling device with a pre-drilling structure which can fix the position of the device to prevent the device from moving, and perform pre-drilling to improve the subsequent drilling efficiency.

[0007] In order to solve the above technical problems, the drilling device with a pre-drilling structure provided by the utility model comprises: a top plate, on which three supporting and fixing mechanisms, a drilling mechanism and a rotating mechanism are arranged;

[0008] The supporting and fixing mechanism comprises a supporting rod, a supporting plate, a rectangular plate, a first screw rod, a hand wheel, a first internally threaded slide plate and a positioning rod, wherein the supporting rod is fixedly mounted on the bottom of the top plate, the supporting plate is fixedly mounted on the bottom of the top plate, the rectangular plate is fixedly mounted on one side of the supporting rod, the first screw rod is rotatably mounted on the rectangular plate, the hand wheel is fixedly mounted on the top end of the first screw rod, the first internally threaded slide plate is threadedly sleeved on the first screw rod, and the positioning rod is fixedly mounted on the bottom of the first internally threaded slide plate;

[0009] The drilling mechanism includes a strip plate, two adjustment plates, two L-shaped plates, two second screws, two first motors, two second internally threaded slides, two second motors, a pre-drilling drill bit and a drilling drill bit. The strip plate is arranged below the top plate, and the two adjustment plates are arranged below the strip plate. The two L-shaped plates are respectively fixedly mounted on the bottom of the two adjustment plates, and the two second screws are respectively rotatably mounted on the two L-shaped plates. The two first motors are respectively fixedly mounted on the top of the two adjustment plates, and the output shafts of the two first motors are respectively fixedly connected to the two second screws, and the two second internally threaded slides are respectively threadedly sleeved on the two second screws. The two second motors are respectively fixedly mounted on the bottom of the two second internally threaded slides, and the pre-drilling drill bit and the drilling drill bit are respectively fixedly mounted on the output shafts of the two second motors.

[0010] As a further solution of the utility model, the rotating mechanism includes a fixed shaft, a first pulley, a third motor, a second pulley, a connecting belt and a hydraulic cylinder, the fixed shaft is fixedly installed on the top of the strip plate, the fixed shaft passes through the top plate and is rotatably connected to the top plate, the first pulley is fixedly installed on the top of the fixed shaft, the third motor is fixedly installed on the top of the top plate, the second pulley is fixedly installed on the output shaft of the third motor, and the connecting belt is wound around the first pulley and the second pulley.

[0011] As a further solution of the utility model, two connecting rods are fixedly installed at the bottom of the strip plate, and the bottom ends of the two connecting rods are respectively hinged to the two adjustment plates. Two hydraulic cylinders are both hingedly installed at the bottom of the strip plate, and the output shafts of the two hydraulic cylinders are respectively hinged to the two adjustment plates.

[0012] As a further solution of the utility model, a strip groove is provided on the L-shaped plate, a guide slide bar is fixedly installed in the strip groove, and the guide slide bar passes through the second internal thread slide bar and is slidably connected to the second internal thread slide bar.

[0013] As a further solution of the utility model, two fixing frames are fixedly installed on the bottom of the second internally threaded slide plate, and the pre-drilling drill bit and the drilling drill bit respectively penetrate the two fixing frames and are rotatably connected to the fixing frames.

[0014] As a further solution of the utility model, a circular slot is provided on the support plate, and the positioning rod passes through the circular slot and is adapted to the circular slot.

[0015] Compared with the related art, the drilling device with a pre-drilling structure provided by the utility model has the following beneficial effects:

[0016] 1. The utility model provides a supporting and fixing mechanism so as to support the device and fix the position of the device;

[0017] 2. The utility model is provided with a drilling mechanism, so that after pre-drilling with a pre-drilling drill bit, drilling can be performed with a drilling drill bit;

[0018] 3. The utility model provides a rotating mechanism so that the strip plate can be rotated, so that the positions of the pre-drilling drill bit and the drilling drill bit can be interchanged. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings.

[0020] Figure 1 A first three-dimensional structural schematic diagram of a drilling device with a pre-drilled hole structure provided by the utility model;

[0021] Figure 2 A second three-dimensional structural schematic diagram of a drilling device with a pre-drilled hole structure provided by the utility model;

[0022] Figure 3 A schematic diagram of the local structure of a drilling device with a pre-drilled hole structure provided by the utility model.

[0023] In the figure: 1, top plate; 2, support rod; 3, support plate; 4, rectangular plate; 5, first screw rod; 6, hand wheel; 7, first internal thread slide plate; 8, positioning rod; 9, strip plate; 10, adjustment plate; 11, L-shaped plate; 12, second screw rod; 13, first motor; 14, second internal thread slide plate; 15, second motor; 16, pre-drilling drill bit; 17, drilling drill bit; 18, fixed shaft; 19, first pulley; 20, third motor; 21, second pulley; 22, connecting belt; 23, connecting rod; 24, hydraulic cylinder. DETAILED DESCRIPTION

[0024] Please refer to Figure 1 , Figure 2 and Figure 3 ,in, Figure 1 A first three-dimensional structural schematic diagram of a drilling device with a pre-drilled hole structure provided by the utility model; Figure 2A second three-dimensional structural schematic diagram of a drilling device with a pre-drilled hole structure provided by the utility model; Figure 3 A partial structural diagram of a drilling device with a pre-drilled hole structure provided by the utility model. The drilling device with a pre-drilled hole structure comprises: a top plate 1, on which three supporting and fixing mechanisms, a drilling mechanism and a rotating mechanism are arranged;

[0025] The supporting and fixing mechanism comprises a supporting rod 2, a supporting plate 3, a rectangular plate 4, a first screw rod 5, a hand wheel 6, a first internally threaded slide plate 7 and a positioning plug rod 8, wherein the supporting rod 2 is fixedly mounted on the bottom of the top plate 1, the supporting plate 3 is fixedly mounted on the bottom of the top plate 1, the rectangular plate 4 is fixedly mounted on one side of the supporting rod 2, the first screw rod 5 is rotatably mounted on the rectangular plate 4, the hand wheel 6 is fixedly mounted on the top end of the first screw rod 5, the first internally threaded slide plate 7 is threadedly sleeved on the first screw rod 5, and the positioning plug rod 8 is fixedly mounted on the bottom of the first internally threaded slide plate 7;

[0026] The drilling mechanism includes a strip plate 9, two adjustment plates 10, two L-shaped plates 11, two second screw rods 12, two first motors 13, two second internally threaded slides 14, two second motors 15, a pre-drilling drill bit 16 and a drilling drill bit 17. The strip plate 9 is arranged below the top plate 1, and the two adjustment plates 10 are both arranged below the strip plate 9. The two L-shaped plates 11 are respectively fixedly mounted on the bottom of the two adjustment plates 10, and the two second screw rods 12 are respectively rotatably mounted on the two L-shaped plates 11. The two first motors 13 are respectively fixedly mounted on the top of the two adjustment plates 10, and the output shafts of the two first motors 13 are respectively fixedly connected to the two second screw rods 12, and the two second internally threaded slides 14 are respectively threadedly sleeved on the two second screw rods 12. The two second motors 15 are respectively fixedly mounted on the bottom of the two second internally threaded slides 14, and the pre-drilling drill bit 16 and the drilling drill bit 17 are respectively fixedly mounted on the output shafts of the two second motors 15.

[0027] like Figure 1 and Figure 2 As shown, the rotating mechanism includes a fixed shaft 18, a first pulley 19, a third motor 20, a second pulley 21, a connecting belt 22 and a hydraulic cylinder 24, wherein the fixed shaft 18 is fixedly mounted on the top of the strip plate 9, the fixed shaft 18 passes through the top plate 1 and is rotatably connected to the top plate 1, the first pulley 19 is fixedly mounted on the top of the fixed shaft 18, the third motor 20 is fixedly mounted on the top of the top plate 1, the second pulley 21 is fixedly mounted on the output shaft of the third motor 20, and the connecting belt 22 is wound around the first pulley 19 and the second pulley 21;

[0028] By providing a rotating mechanism, the strip plate 9 can be rotated so that the positions of the pre-drilling drill bit 16 and the drilling drill bit 17 are interchanged.

[0029] like Figure 3 As shown, two connecting rods 23 are fixedly installed at the bottom of the strip plate 9, and the bottom ends of the two connecting rods 23 are respectively hinged to the two adjustment plates 10, and two hydraulic cylinders 24 are both hingedly installed at the bottom of the strip plate 9, and the output shafts of the two hydraulic cylinders 24 are respectively hinged to the two adjustment plates 10;

[0030] By providing the connecting rod 23 and the hydraulic cylinder 24, the pre-drilling and drilling angles can be adjusted according to drilling requirements.

[0031] like Figure 3 As shown, a strip groove is formed on the L-shaped plate 11, a guide slide bar is fixedly installed in the strip groove, and the guide slide bar passes through the second internally threaded slide plate 14 and is slidably connected to the second internally threaded slide plate 14;

[0032] By providing the strip-shaped slots and the guide slide rods, the second internally threaded slide plate 14 can be restricted and guided, thereby improving the stability of the second internally threaded slide plate 14 .

[0033] like Figure 3 As shown, two fixing frames are fixedly installed at the bottom of the second internally threaded slide plate 14, and the pre-drilling drill bit 16 and the drilling drill bit 17 respectively penetrate the two fixing frames and are rotatably connected to the fixing frames;

[0034] By providing the fixing frame, the pre-drilling drill bit 16 and the drilling drill bit 17 can be reinforced, thereby improving the stability of the pre-drilling drill bit 16 and the drilling drill bit 17 .

[0035] like Figure 1 and Figure 2 As shown, a circular slot is provided on the support plate 3, and the positioning rod 8 passes through the circular slot and is adapted to the circular slot;

[0036] By providing the circular slot, it is convenient for the positioning rod 8 to pass through the support plate 3 so that the positioning rod 8 can be inserted into the ground.

[0037] The working principle of the drilling device with pre-drilling structure provided by the utility model is as follows:

[0038] Step 1: Position the pre-drilling drill bit 16 at the position to be drilled, and drive the first screw rod 5 to rotate through the hand wheel 6, so that the first screw rod 5 drives the first internal thread slide plate 7 and the positioning rod 8 to move downward, so that the positioning rod 8 is inserted into the ground, and the device is fixed and positioned to avoid displacement of the device;

[0039] Step 2: Start the second motor 15 on the side of the pre-drilling drill bit 16 to drive the pre-drilling drill bit 16 to rotate, then start the first motor 13, the first motor 13 drives the second screw 12 to rotate, and the second screw 12 drives the second internal thread slide plate 14 to move downward, so that the pre-drilling drill bit 16 contacts the ground to perform pre-drilling work on the ground, and finally reset the pre-drilling drill bit 16;

[0040] The third step: then start the third motor 20, the third motor 20 drives the second pulley 21 to rotate, the second pulley 21 drives the first pulley 19 and the fixed shaft 18 to rotate through the connecting belt 22, the fixed shaft 18 drives the strip plate 9 to rotate, so that the positions of the pre-drilling drill bit 16 and the drilling drill bit 17 are interchanged, and the first motor 13 and the second motor 15 on the side of the drilling drill bit 17 are started, so that the drilling drill bit 17 can move down through the pre-drilled hole to perform drilling work.

[0041] 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;

[0042] 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.

[0043] 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 drilling device with a pre-drilled hole structure, characterized in that: include: A top plate, wherein three supporting and fixing mechanisms, a drilling mechanism and a rotating mechanism are arranged on the top plate; The supporting and fixing mechanism comprises a supporting rod, a supporting plate, a rectangular plate, a first screw rod, a hand wheel, a first internally threaded slide plate and a positioning rod, wherein the supporting rod is fixedly mounted on the bottom of the top plate, the supporting plate is fixedly mounted on the bottom of the top plate, the rectangular plate is fixedly mounted on one side of the supporting rod, the first screw rod is rotatably mounted on the rectangular plate, the hand wheel is fixedly mounted on the top end of the first screw rod, the first internally threaded slide plate is threadedly sleeved on the first screw rod, and the positioning rod is fixedly mounted on the bottom of the first internally threaded slide plate; The drilling mechanism includes a strip plate, two adjustment plates, two L-shaped plates, two second screws, two first motors, two second internally threaded slides, two second motors, a pre-drilling drill bit and a drilling drill bit. The strip plate is arranged below the top plate, and the two adjustment plates are arranged below the strip plate. The two L-shaped plates are respectively fixedly mounted on the bottom of the two adjustment plates, and the two second screws are respectively rotatably mounted on the two L-shaped plates. The two first motors are respectively fixedly mounted on the top of the two adjustment plates, and the output shafts of the two first motors are respectively fixedly connected to the two second screws, and the two second internally threaded slides are respectively threadedly sleeved on the two second screws. The two second motors are respectively fixedly mounted on the bottom of the two second internally threaded slides, and the pre-drilling drill bit and the drilling drill bit are respectively fixedly mounted on the output shafts of the two second motors.

2. The drilling device with a pre-drilled hole structure according to claim 1, characterized in that: The rotating mechanism includes a fixed shaft, a first pulley, a third motor, a second pulley, a connecting belt and a hydraulic cylinder, the fixed shaft is fixedly installed on the top of the strip plate, the fixed shaft passes through the top plate and is rotatably connected to the top plate, the first pulley is fixedly installed on the top of the fixed shaft, the third motor is fixedly installed on the top of the top plate, the second pulley is fixedly installed on the output shaft of the third motor, and the connecting belt is wound around the first pulley and the second pulley.

3. The drilling device with a pre-drilled hole structure according to claim 1, characterized in that: Two connecting rods are fixedly installed at the bottom of the strip plate, and the bottom ends of the two connecting rods are respectively hinged to the two adjustment plates. Two hydraulic cylinders are both hingedly installed at the bottom of the strip plate, and the output shafts of the two hydraulic cylinders are respectively hinged to the two adjustment plates.

4. The drilling device with a pre-drilled hole structure according to claim 1, characterized in that: The L-shaped plate is provided with a strip groove, in which a guide slide bar is fixedly installed. The guide slide bar passes through the second internally threaded slide plate and is slidably connected with the second internally threaded slide plate.

5. The drilling device with a pre-drilled hole structure according to claim 1, characterized in that: Two fixing frames are fixedly installed at the bottom of the second internally threaded slide plate, and the pre-drilling drill bit and the drilling drill bit respectively penetrate the two fixing frames and are rotatably connected to the fixing frames.

6. The drilling device with a pre-drilled hole structure according to claim 1, characterized in that: A circular slot is formed on the support plate, and the positioning rod passes through the circular slot and is adapted to the circular slot.

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