Reconnaissance drill bit with self-adaptive clamping structure

By designing an adaptive clamping structure and a lubrication cavity, the problems of unstable clamping and drill bit wear in exploration equipment are solved, thereby improving the stability and ease of use of exploration equipment.

CN223676196UActive Publication Date: 2025-12-16JIANGSU HENGTONG SURVEY TECH CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520536179.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-26
Publication Date
2025-12-16
Estimated Expiration
2035-03-26

AI Technical Summary

Technical Problem

The clamping components of existing exploration equipment are not stable enough and cannot adapt to drill bits of different sizes, resulting in inconvenience in use. Furthermore, mechanical vibration during drilling can cause the equipment to deviate from its designated path.

Method used

An adaptive clamping structure was designed, including a drill chuck and a clamping assembly. The structure adapts to drill chucks of different shapes through the cooperation of the outer and inner clamping jaws, and a lubrication cavity is provided inside the drill chuck to reduce wear.

Benefits of technology

It achieves stable clamping of drill bits of different shapes, reduces wear caused by mechanical vibration, and improves the stability and ease of use of exploration equipment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223676196U_ABST
    Figure CN223676196U_ABST
Patent Text Reader

Abstract

The utility model provides a reconnaissance drill bit with a self-adaptive clamping structure. The reconnaissance drill bit comprises a drill bit chuck, a fixing part is arranged in the middle of the drill bit chuck, the rear end of the fixing part is fixedly connected with a clamping part, the front end of the fixing part is rotationally connected with a contraction part, and the top end of the contraction part clamps the reconnaissance drill bit through a clamping jaw. The top of the exploration vehicle is fixedly connected with a lifting motor, and the lifting motor is rotationally connected to a lifting assembly in the exploration vehicle; a clamping assembly is fixedly connected to the lower end face of the lifting plate and used for being matched with the clamping part to clamp the drill chuck. The clamping assembly is arranged at the lower end of the lifting plate, the outer clamping jaw and the inner clamping jaw on the two sides are matched, the outer clamping jaw fixes the position of a drill chuck, the inner clamping jaw fills a gap between the outer clamping jaw and the clamping part so that the clamping jaw can adapt to drill chucks of different shapes, and meanwhile under the action of reverse restoring force of a second compression spring, the drill chuck can be clamped by the clamping assembly. And the drill chuck is stably clamped and fixed by the clamping assembly.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to geological survey technical field, concretely is a survey drill bit with self -adaptation clamping structure. BACKGROUND

[0002] The exploration vehicle is a kind of mobile equipment for geological exploration, usually carries drilling equipment, sensor and analysis instrument, can carry out geological sampling, drilling and data analysis in the field;Exploration drill bit is the tool installed in the front end of drill pipe, is used to break rock or soil to obtain underground sample.Both are used in conjunction with, exploration vehicle provides power and moving ability, drill bit is responsible for drilling into stratum, jointly completes geological exploration task, and currently drilling is mostly carried out by fixed handling device to be handled to the scene, then drilling work is carried out, and the mechanical vibration is generated in the drilling process, then deviation is prone to occur.

[0003] It is found by searching that the application number CN202320227867.5 discloses a rock-soil engineering survey drilling anti-deviation mechanism, which comprises a drilling box assembly, a belt and a lifting plate, the drilling box assembly comprises a drilling box body, an inner cavity of the drilling box assembly is provided with a lifting assembly, the bottom of the lifting assembly is provided with a clamping assembly, the inner cavity of the clamping assembly clamps a drilling device, and the bottom of the drilling box assembly is provided with a moving assembly.The device can adjust the height of the drilling device by the setting of the lifting assembly, realize the purpose of drilling rock-soil, the drilling device can be disassembled and assembled by the setting of the clamping assembly, the user can conveniently update and maintain the device, the device can be used for rock-soil box drilling by the setting of the drilling device, and the stability of the device when placed can be improved by the setting of the moving assembly, and the user can conveniently move the device.

[0004] But the above-mentioned device is not stable enough when using, and different drill bits need to be used for different geological land exploration, but the shape of the arc-shaped clamping plate is fixed, cannot adapt to part of the size of the drill bit, leading to inconvenient use. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a survey drill bit with self-adaptive clamping structure to solve the problems in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A survey drill bit with self-adaptive clamping structure comprises:

[0008] The drill chuck has a fixed part in the middle, the rear end of the fixed part is fixedly connected with a clamping part, the front end of the fixed part is rotatably connected with a contraction part, the top end of the contraction part clamps the surveying drill bit through a clamping jaw;

[0009] The exploration vehicle has a lifting motor fixedly connected to the top of the vehicle, the lifting motor is rotatably connected to a lifting assembly inside the vehicle, the lifting assembly is connected with a lifting plate, the two ends of the lifting plate are fixedly connected with sliding plates, the sliding plates are slidably connected in the sliding parts inside the vehicle;

[0010] The lower end surface of the lifting plate is fixedly connected with a clamping assembly for clamping the drill chuck in cooperation with the clamping part.

[0011] Preferably, the clamping assembly comprises a drive motor fixedly connected to the side surface of a fixed plate, the fixed plate is fixedly connected to the lower end surface of the lifting plate, and the output end of the drive motor is connected with an electric push rod penetrating through the fixed plate.

[0012] Preferably, the top end of the electric push rod is fixedly connected with an outer clamping jaw, the inner side of the outer clamping jaw is slidably connected with an inner clamping jaw through a telescopic pin.

[0013] Preferably, the telescopic pin penetrates through the outer clamping jaw, a second compression spring is sleeved on the telescopic pin, one end of the second compression spring is fixedly connected to the inner side of the outer clamping jaw, and the other end is fixedly connected to the outer side of the inner clamping jaw.

[0014] Preferably, the lifting assembly comprises a guide rod, the bottom of the guide rod is fixedly connected to the bottom of the vehicle, and the top is connected to the top of the vehicle, the lifting assembly further comprises a lead screw, the bottom of the lead screw is rotatably connected to the bottom of the vehicle, the top is rotatably connected with the lifting motor penetrating through the top of the vehicle, the lifting plate is threadedly connected on the lead screw, and the two ends of the lifting plate are slidably connected on the guide rod.

[0015] Preferably, the inside of the drill chuck has a lubricating cavity, the upper end surface of the lifting plate is fixedly connected with a drilling machine, the lower end surface of the drilling machine is connected with a connecting rod, the connecting rod penetrates through the lifting plate and reaches the lubricating cavity in the fixed part of the drill chuck, lubricating liquid outlets are arranged on both sides of the bottom end of the connecting rod, and a counterweight is further fixedly connected on the lifting plate for balancing the weight of the drilling machine.

[0016] Preferably, a sleeve is arranged at the bottom of the lubricating cavity, a movable plug is slidably connected in the sleeve, the bottom of the movable plug is connected with a telescopic rod, and a first compression spring is sleeved on the telescopic rod.

[0017] Preferably, a walking bead ring is rotatably connected above and below the inside of the contraction part, a clamping jaw is arranged on the inner side of the walking bead ring, and the clamping jaw is connected with the contraction part.

[0018] Preferably, the bottom of the exploration vehicle is provided with a drill hole.

[0019] Compared with the prior art, the present application has the advantages of:

[0020] The utility model discloses, in the lower end of lifting plate sets up clamping subassembly, through the cooperation of both sides's outer clamping claw and inner clamping claw, and the outer clamping claw fixed drill chuck position, and the inner clamping claw fills the gap between the outer clamping claw and clamping part to make clamping claw can adapt to the drill chuck of different shape, and under the reverse recovery force of second compression spring, make clamping subassembly steady clamping fixed the drill chuck.

[0021] The utility model discloses set up lubricating cavity in the drill chuck, after the drill chuck is fixed by clamping subassembly, and the lubricating liquid outlet of connecting rod bottom is fixed in lubricating cavity, can be regularly and regularly through the injection of lubricating liquid to the survey drill in drilling rig to the survey drill, thereby reducing the survey drill loss. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is three -dimensional schematic view of drill chuck of the utility model;

[0023] Figure 2 It is three -dimensional schematic view of drill chuck inside of the utility model;

[0024] Figure 3 It is schematic diagram of connecting connecting rod of drill chuck of the utility model;

[0025] Figure 4 It is three -dimensional schematic view of exploration vehicle of the utility model;

[0026] Figure 5 It is three -dimensional schematic view of drill lifting subassembly of the utility model;

[0027] Figure 6 It is three -dimensional schematic view of drill clamping subassembly of the utility model;

[0028] Figure 7 It is three -dimensional schematic view of clamping subassembly of the utility model.

[0029] In the diagram: 1-Drill chuck; 101-Fixing part; 102-Retracting part; 103-Clamping part; 104-Claw; 105-Ball ring; 106-Lubrication chamber; 107-Moving plug; 108-Telescopic rod; 109-First compression spring; 2-Clamping assembly; 201-Drive motor; 202-Electric push rod; 203-Fixing plate; 204-Outer clamping claw; 205-Inner clamping claw; 206-Telescopic pin; 207-Second compression spring; 3-Lifting assembly; 301-Guide rod; 302-Screw rod; 303-Counterweight; 304-Lifting motor; 305-Lifting plate; 306-Sliding plate; 4-Exploration vehicle; 401-Drill hole; 402-Sliding part; 5-Drilling rig; 501-Connecting rod; 502-Lubricating fluid outlet; 6-Exploration drill bit. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] Example:

[0032] Please see Figures 1 to 7 This utility model provides a technical solution:

[0033] An exploration drill bit with an adaptive clamping structure, comprising:

[0034] The drill chuck 1 has a fixing part 101 in the middle. The rear end of the fixing part 101 is fixedly connected to the clamping part 103. The front end of the fixing part 101 is rotatably connected to the retractable part 102. The top end of the retractable part 102 clamps the exploration drill bit 6 through the jaws 104.

[0035] An exploration vehicle 4 is provided, with a lifting motor 304 fixedly connected to its top. The lifting motor 304 is rotatably connected to a lifting assembly 3 inside the exploration vehicle 4. A lifting plate 305 is connected to the lifting assembly 3. Sliding plates 306 are fixedly connected to both ends of the lifting plate 305. The sliding plates 306 are slidably connected to a sliding part 402 inside the exploration vehicle 4.

[0036] The lower end face of the lifting plate 305 is fixedly connected to a clamping assembly 2, which is used to cooperate with the clamping part 103 to clamp the drill chuck 1.

[0037] In this embodiment, the end of the exploration drill bit is inserted into the top end of the drill bit chuck 1, and after insertion, the rotating contraction part 102 is rotated. Since the contraction part 102 is connected with the clamping jaw 104 inside the contraction part 102, the tip of the clamping jaw 104 is clamped to hold the exploration drill bit under the action of the contraction part 102. After fixing, the contraction part 102 is fixed by a tool to limit its rotation, that is, the exploration drill bit 6 can be fixed. When the exploration drill bit 6 needs to be disassembled, the above steps are repeated in reverse.

[0038] In this embodiment, the bottom of the exploration vehicle 4 is provided with a pulley that can move. After the exploration vehicle 4 moves to the exploration site, the drill bit chuck 1 and the exploration drill bit 6 are connected through the clamping assembly 2. The lower end surface of the lifting plate 305 is fixedly connected with the fixed plate 203 on both sides. The fixed plate 203 is fixedly connected with the driving motor 201. The output end of the driving motor 201 is connected with the electric push rod 202. The top end of the electric push rod 202 is connected with a half-moon-shaped outer clamping jaw 204. The outer clamping jaw 204 is driven by the driving motor 201. When the rear end of the drill bit chuck 1 is inserted into the middle of the outer clamping jaw 204 on both sides, the driving motors 201 on both sides are started at the same time. The electric push rod 202 extends inward to make the outer clamping jaws 204 on both sides tend to close, wrapping around the recess of the clamping part 103. The inner part of the outer clamping jaw 204 is provided with a movable inner clamping jaw 205. The outer diameter of the inner clamping jaw 205 is equal to the inner diameter of the outer clamping jaw 204. The inner wall of the outer clamping jaw 204 and the outer wall of the inner clamping jaw 205 are connected through the sliding connection of the expansion nail 206. The limiting end of the expansion nail 206 penetrates through the outer wall of the outer clamping jaw 204. The outer clamping jaw 204 and the inner clamping jaw 205 are provided with a compression spring. When the outer clamping jaw 204 is closed under the control of the driving motor 201, the inner clamping jaw 205 on the inner side first contacts the clamping part 103. After contacting, under the action of the reaction force, the inner clamping jaw 205 drives the expansion nail 206 to slide to the inner side of the outer clamping jaw 204. The inner clamping jaw 205 accumulates the second compression spring 207. The second compression spring 207 tends to reset and reversely drives the inner clamping jaw 205 to press the clamping part 103. Thus, the outer clamping jaws 204 on both sides cooperate with the inner clamping jaws 205 to fix the position of the drill bit chuck 1. The inner clamping jaws 205 fill the gap between the outer clamping jaws 204 and the clamping part 103 to make the clamping jaw adapt to drill bit chucks 1 of different shapes. At the same time, under the action of the reverse restoring force of the second compression spring 207, the drill bit chuck 1 is stably clamped.

[0039] Specifically, the clamping assembly 2 includes a driving motor 201. The driving motor 201 is fixedly connected to the side surface of the fixed plate 203. The fixed plate 203 is fixedly connected to the lower end surface of the lifting plate 305. The output end of the driving motor 201 is connected with the electric push rod 202 through the fixed plate 203.

[0040] Specific, the top end of the electric push rod 202 is fixedly connected with an outer clamping jaw 204, and the inner side of the outer clamping jaw 204 is slidably connected with an inner clamping jaw 205 through a telescopic pin 206.

[0041] Specific, the telescopic pin 206 penetrates the outer clamping jaw 204, a second compression spring 207 is sleeved on the telescopic pin 206, one end of the second compression spring 207 is fixedly connected to the inner side of the outer clamping jaw 204, and the other end is fixedly connected to the outer side of the inner clamping jaw 205.

[0042] In this embodiment, after the fixed drill chuck 1 is connected with the surveying drill bit 6, work can be started, after the exploration vehicle 4 is fixed, the top lifting motor 304 of the exploration vehicle 4 is started, the output end of the lifting motor 304 is rotationally connected with the lead screw 302, the lifting motor 304 drives the lead screw 302 to rotate, since the lifting plate 305 is threadedly connected with the lead screw 302, the lead screw 302 drives the lifting plate 305 to vertically move in the guide rod 301 and the sliding part 402, the lifting plate 305 has a sliding plate 306 on both sides, the sliding plate 306 is slidably connected with the sliding part 402 in the exploration vehicle 4, and the lifting plate 305 is kept stable during vertical movement.

[0043] Specific, the inside of the contraction part 102 is rotationally connected with a bead running ring 105 above and below, the inner side of the bead running ring 105 is provided with a clamping jaw 104, and the clamping jaw 104 is connected with the contraction part 102.

[0044] Specific, the lifting assembly 3 comprises a guide rod 301, the bottom of the guide rod 301 is fixedly connected to the bottom of the exploration vehicle 4, and the top is connected to the top of the exploration vehicle 4, the lifting assembly further comprises a lead screw 302, the bottom of the lead screw 302 is rotationally connected to the bottom of the exploration vehicle 4, and the top penetrates the top of the exploration vehicle 4 and is rotationally connected with a lifting motor 304, the lifting plate 305 is threadedly connected with the lead screw 302, and the lifting plate 305 is slidably connected with the guide rod 301 at both ends.

[0045] The lower end of the drilling machine 5 is provided with a connecting rod 501, when the drill chuck 1 is fixed, the connecting rod 501 is inserted into the bottom through hole of the drill chuck 1 and connected with the drill chuck 1, the drilling machine 5 drives the drill bit to move through the inner bead ring 105 of the drill chuck 1, and a large amount of heat is generated due to the friction between the exploration drill bit and the rock, which may cause the drill bit to overheat, so the lubricating cavity 106 is arranged in the fixed part 101 of the drill chuck 1, the bottom end of the connecting rod 501 is provided with a concave lubricating liquid outlet 502, the connecting rod 501 passes through the clamping part 103 and reaches the fixed part 101, the lubricating cavity 106 is internally provided with a movable plug 107, the movable plug 107 is slidingly connected in the sleeve, under the action force of the first compression spring 109 and the telescopic rod 108 in the sleeve, the movable plug 107 blocks the channel of the fixed part 101, when the connecting rod 501 is inserted, the bottom of the connecting rod 501 abuts against the upper side of the movable plug 107, so that the telescopic rod 108 and the movable plug 107 are driven to move downward, and the first compression spring 109 is compressed, after the drill chuck 1 is fixed by the clamping assembly 2, the lubricating liquid outlet 502 is fixed in the lubricating cavity 106, and the lubricating liquid can be injected into the exploration drill bit 6 through the drilling machine 5 at regular time intervals, so that the loss of the exploration drill bit 6 is reduced.

[0046] Specifically, the inside of the drill chuck 1 is provided with a lubricating cavity 106, the upper end surface of the lifting plate 305 is fixedly connected with the drilling machine 5, the lower end surface of the drilling machine 5 is connected with the connecting rod 501, the connecting rod 501 penetrates through the lifting plate 305 and the clamping part 103 of the drill chuck 1 and reaches the lubricating cavity 106 in the fixed part 101, the bottom end of the connecting rod 501 is provided with lubricating liquid outlets 502 on both sides, and the lifting plate 305 is further fixedly connected with a counterweight 303, so as to balance the weight of the drilling machine 5 and keep the counterweight balanced.

[0047] Specifically, the bottom of the lubricating cavity 106 is provided with a sleeve, the sleeve is slidingly connected with a movable plug 107, the bottom of the movable plug 107 is connected with a telescopic rod 108, and the telescopic rod 108 is externally sleeved with a first compression spring 109.

[0048] Specifically, the bottom of the exploration vehicle 4 is provided with a drill hole 401.

[0049] When the utility model is used, the tail end of the exploration drill bit is inserted into the top end of the drill chuck 1, and after being inserted, the contraction part 102 is rotated, since the contraction part 102 is connected with the clamping jaw 104 in the contraction part 102, the clamping jaw 104 is clamped to the exploration drill bit under the action of the contraction part 102, after being fixed, the contraction part 102 is fixed by means, and the rotation of the contraction part 102 is limited, so that the exploration drill bit 6 can be fixed, and when the exploration drill bit 6 needs to be disassembled, the above steps are repeated in reverse.

[0050] The bottom of the exploration vehicle 4 has a pulley, and after the exploration vehicle 4 is moved to an exploration site, the drill chuck 1 and the surveying drill bit 6 are connected through the clamping assembly 2. The lower end surface of the lifting plate 305 is fixedly connected with a fixed plate 203 on each side, the fixed plate 203 is fixedly connected with a driving motor 201, the output end of the driving motor 201 is connected with an electric push rod 202, the top end of the electric push rod 202 is connected with a half-moon-shaped outer clamping claw 204, so that the outer clamping claw 204 is driven by the driving motor 201. When the rear end clamping part 103 of the drill chuck 1 extends into the middle of the outer clamping claw 204 on each side, the driving motors 201 on the two sides are started at the same time, the electric push rod 202 extends inwards, so that the outer clamping claws 204 on the two sides tend to close and wrap around the recess of the clamping part 103. The inner part of the outer clamping claw 204 is provided with a movable inner clamping claw 205, the outer diameter of the inner clamping claw 205 is equal to the inner diameter of the outer clamping claw 204, the inner wall of the outer clamping claw 204 and the outer wall of the inner clamping claw 205 are slidably connected through a telescopic pin 206, the limiting end of the telescopic pin 206 penetrates through the outer wall of the outer clamping claw 204, and a compression spring is arranged between the outer clamping claw 204 and the inner clamping claw 205. When the outer clamping claw 204 is closed under the control of the driving motor 201, the inner clamping claw 205 on the inner side first contacts the clamping part 103. After contact, under the action of the reaction force, the inner clamping claw 205 drives the telescopic pin 206 to slide to the inner side of the outer clamping claw 204, the inner clamping claw 205 accumulates a second compression spring 207, the second compression spring 207 tends to reset and reversely drives the inner clamping claw 205 to press the clamping part 103. Therefore, the outer clamping claws 204 on the two sides cooperate with the inner clamping claws 205, the outer clamping claws 204 fix the position of the drill chuck 1, and the inner clamping claws 205 fill the gap between the outer clamping claws 204 and the clamping part 103, so that the clamping claw can adapt to drill chucks 1 of different shapes and stably clamp the drill chuck 1 under the action of the reverse restoring force of the second compression spring 207.

[0051] In this embodiment, after the drill chuck 1 is fixed and the surveying drill bit 6 is installed, the work can be started. After the exploration vehicle 4 is fixed, the lifting motor 304 at the top of the exploration vehicle 4 is started, the output end of the lifting motor 304 is rotationally connected with the lead screw 302, the lifting motor 304 drives the lead screw 302 to rotate, the lead screw 302 drives the lifting plate 305 to move vertically in the guide rod 301 and the sliding part 402, and the lifting plate 305 has a sliding plate 306 on each side, the sliding plate 306 is slidably connected with the sliding part 402 in the exploration vehicle 4, and the sliding plate 306 guides the lifting plate 305 to stably move vertically.

[0052] The lower end of the drilling rig 5 has a connecting rod 501, when the drill chuck 1 is fixed, the connecting rod 501 is inserted into the bottom through hole of the drill chuck 1 and connected with the drill chuck 1, the drill is driven to carry out exploration activities through the bead ring 105 in the drill chuck 1, a large amount of heat is generated by the friction between the exploration drill and the rock, which may cause the drill to overheat, therefore, a lubricating cavity 106 is arranged in the fixed part 101 of the drill chuck 1, the bottom end of the connecting rod 501 is provided with a concave lubricating liquid outlet 502, the connecting rod 501 passes through the clamping part 103 and reaches the fixed part 101, the inside of the lubricating cavity 106 has a movable plug 107, the movable plug 107 is slidingly connected in the sleeve, under the action force of the first compression spring 109 and the telescopic rod 108 in the sleeve, the movable plug 107 blocks the passage of the fixed part 101, when the connecting rod 501 is inserted, the bottom of the connecting rod 501 abuts against the upper side of the movable plug 107, the telescopic rod 108 and the movable plug 107 are driven to move downward, so that the first compression spring 109 is compressed, after the drill chuck 1 is fixed by the clamping assembly 2, the lubricating liquid outlet 502 is fixed in the lubricating cavity 106, lubricating liquid can be injected into the exploration drill 6 through the drilling rig 5 regularly and periodically, so that the loss of the exploration drill 6 is reduced.

[0053] The rest of the parts not described in the utility model can be the same as the prior art, or be known technology or be realized by using the prior art, and will not be described in detail here.

[0054] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An exploration drill bit with an adaptive clamping structure, characterized in that, include: A drill chuck (1) has a fixing part (101) in the middle. The rear end of the fixing part (101) is fixedly connected to a clamping part (103). The front end of the fixing part (101) is rotatably connected to a retractable part (102). The top end of the retractable part (102) clamps the exploration drill bit (6) through a jaw (104). An exploration vehicle (4) is provided, with a lifting motor (304) fixedly connected to the top of the exploration vehicle (4). The lifting motor (304) is rotatably connected to the lifting assembly (3) inside the exploration vehicle (4). A lifting plate (305) is connected to the lifting assembly (3). Sliding plates (306) are fixedly connected to both ends of the lifting plate (305). The sliding plates (306) are slidably connected to the sliding part (402) inside the exploration vehicle (4). The lower end face of the lifting plate (305) is fixedly connected to a clamping assembly (2), which is used to cooperate with the clamping part (103) to clamp the drill chuck (1).

2. The exploration drill bit with an adaptive clamping structure according to claim 1, characterized in that: The clamping assembly (2) includes a drive motor (201), which is fixedly connected to the side of the fixing plate (203). The fixing plate (203) is fixedly connected to the lower end face of the lifting plate (305). The output end of the drive motor (201) passes through the fixing plate (203) and is connected to an electric push rod (202).

3. The exploration drill bit with an adaptive clamping structure according to claim 2, characterized in that: The top end of the electric push rod (202) is fixedly connected to an outer clamping claw (204), and the inner side of the outer clamping claw (204) is slidably connected to an inner clamping claw (205) via a telescopic pin (206).

4. The exploration drill bit with an adaptive clamping structure according to claim 3, characterized in that: The telescopic pin (206) passes through the outer clamping claw (204), and a second compression spring (207) is sleeved on the telescopic pin (206). One end of the second compression spring (207) is fixedly connected to the inner side of the outer clamping claw (204), and the other end is fixedly connected to the outer side of the inner clamping claw (205).

5. The exploration drill bit with an adaptive clamping structure according to claim 1, characterized in that: The lifting assembly (3) includes a guide rod (301), the bottom of which is fixedly connected to the bottom of the exploration vehicle (4), and the top of which is connected to the top of the exploration vehicle (4). The lifting assembly also includes a lead screw (302), the bottom of which is rotatably connected to the bottom of the exploration vehicle (4), and the top of which passes through the top of the exploration vehicle (4) and is rotatably connected to the lifting motor (304). The lifting plate (305) is threadedly connected to the lead screw (302), and both ends of the lifting plate (305) are slidably connected to the guide rod (301).

6. The exploration drill bit with an adaptive clamping structure according to claim 1, characterized in that: The drill chuck (1) has a lubrication cavity (106) inside. The upper end face of the lifting plate (305) is fixedly connected to the drilling machine (5). The lower end face of the drilling machine (5) is connected to the connecting rod (501). The connecting rod (501) passes through the lifting plate (305) and the clamping part (103) of the drill chuck (1) to reach the lubrication cavity (106) in the fixed part (101). Lubricating fluid outlets (502) are provided on both sides of the bottom end of the connecting rod (501). A counterweight (303) is also fixedly connected to the lifting plate (305) to balance the weight of the drilling machine (5).

7. The exploration drill bit with an adaptive clamping structure according to claim 6, characterized in that: The bottom of the lubrication cavity (106) is provided with a sleeve, and a movable plug (107) is slidably connected inside the sleeve. The bottom of the movable plug (107) is connected to a telescopic rod (108), and a first compression spring (109) is sleeved on the telescopic rod (108).

8. The exploration drill bit with an adaptive clamping structure according to claim 1, characterized in that: The top and bottom of the contraction section (102) are rotatably connected to a ball ring (105), and a gripper (104) is provided on the inner side of the ball ring (105), which is connected to the contraction section (102).

9. The exploration drill bit with an adaptive clamping structure according to claim 1, characterized in that: The bottom of the exploration vehicle (4) is provided with a drill hole (401).

Citation Information

Patent Citations

  • Drilling anti-deviation mechanism for geotechnical engineering investigation

    CN219034638U