Drilling device for municipal road construction

Abstract

The invention relates to the technical field of road construction drilling, and discloses a drilling device for municipal road construction, the drilling device comprises a device stand column, a multi-dimensional adjusting drilling mechanism, a drill bit locking structure, a drill bit and a rock side drilling mechanism, a base is fixedly arranged at the bottom of the device stand column, and moving wheels are mounted and distributed at the outer edge of the bottom of the base; the multi-dimensional adjusting drilling mechanism comprises a fixing plate, the fixing plate is fixedly arranged at the upper end of the front portion of the device stand column in a downward inclined mode, the drill bit locking structure is installed below the multi-dimensional adjusting drilling mechanism, the first drill bit is installed below the drill bit locking structure in an embedded mode, and sampling holes are distributed in the periphery of the first drill bit. Extension rods are fixedly distributed at the positions, close to the lower end, of the outer side wall of the drill bit locking structure, and the rock side drilling mechanisms are arranged at the outer ends of the extension rods. The height of the drilling mechanism can be flexibly adjusted in a three-dimensional space, so that soil or rock samples can be simultaneously collected in the drilling process, and the accuracy and efficiency of rock drilling sampling are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of road construction drilling, and specifically to a drilling device for municipal road construction. Background Art

[0002] Municipal roads refer to urban roads. During the pavement quality inspection process of highway engineering, generally, drilling and sampling are carried out to conduct spot checks and evaluations on the pavement quality of highway engineering. A drilling device is required for drilling.

[0003] After retrieval, the patent with the authorization number CN215979187U in China discloses an exploration drilling device with a protection structure for municipal road construction, including a mechanical frame, columns, a movable frame, protection columns, and a protection net. On one side of the upper end of the mechanical frame, two columns are symmetrically welded. The upper ends of the columns are fixed with a top plate. In the middle position of the top plate, a hydraulic cylinder is fixed through a card slot. At the lower end of the hydraulic cylinder, there is a telescopic rod A, and the front end of the telescopic rod A is fixed on the movable frame. The movable frame is fixed on the two columns through sleeves. Four protection columns are fixed at the four corners of the outer side of the mechanical frame, and the four protection columns are fixed together through telescopic inner rods.

[0004] The above-mentioned exploration drilling device with a protection structure for municipal road construction in the patent has the following deficiencies: It uses a hydraulic structure for lifting and adjustment, and cannot achieve flexible adjustment in a multi-dimensional space. The adjustment accuracy and response speed of the complex mechanical transmission structure in traditional drilling equipment are relatively low. The direct detection accuracy of the samples after drilling is not high, or the rock samples are large in volume and high in hardness, making it difficult to take samples for detection after crushing. It is difficult to improve the accuracy and efficiency of rock drilling and sampling. Therefore, corresponding technical solutions need to be designed to solve this problem. Summary of the Invention

[0005] (1) Technical Problems to be Solved Aiming at the deficiencies of the prior art, the present invention provides a drilling device for municipal road construction, which solves its technical problems.

[0006] (2) Technical Solutions To achieve the above purposes, the present invention is realized through the following technical solutions: A drilling device for municipal road construction includes a device column, a multi-dimensional adjustable drilling mechanism, a drill bit locking structure, a drill bit 1, and a rock side drilling mechanism. The bottom of the device column is fixedly provided with a base, and moving wheels are installed and distributed at the outer edge of the bottom of the base. The device column serves as the main support structure of the entire drilling device, responsible for carrying and fixing other components. The base provides stable support and realizes the mobility of the device through the moving wheels, making the device easy to quickly transfer between different construction sites and improving the construction efficiency; The multi-dimensional adjustable drilling mechanism includes a fixing plate, which is fixedly arranged at the upper front part of the device column in a downward inclined manner to realize the multi-dimensional adjustment of Drill Bit 1, including the movement in the vertical, horizontal, and front-back directions; The drill bit locking structure is installed below the multi-dimensional adjustable drilling mechanism. Drill Bit 1 is embedded and installed below the drill bit locking structure. Sampling holes are arranged in a circular array around Drill Bit 1 for simultaneously collecting soil or rock samples during the drilling process; Extension rods are fixedly distributed in a circular array near the lower end of the outer side wall of the drill bit locking structure. The drill bit locking structure makes it convenient to replace the drill bit and improves the construction efficiency. The rock side drilling mechanism is arranged at the outer end of the extension rod, and the rock side drilling mechanism is located on the outer side of Drill Bit 1.

[0007] Preferably, U-shaped push rod frames are fixedly arranged on both sides and the rear of the device column. A reinforcing plate is fixedly distributed between the bottom of the device column and the upper end of the base. The U-shaped push rod frame is used for holding and pushing the device column for operation, and the reinforcing plate is used for strongly supporting the device column and the base to make the stability coefficient higher.

[0008] Preferably, the multi-dimensional adjustable drilling mechanism further includes an electro-hydraulic device, a hydraulic rod, a shaft plate, a shaft frame 1, a shaft frame 2, and a connecting plate. The shaft plate is fixedly distributed at the upper end of the fixing plate, and a shaft rod 1 is rotatably connected to the outer end of the fixing plate. A support plate 1 is fixedly arranged at the upper end of the electro-hydraulic device, and the support plate 1 is fixedly arranged at the middle of the shaft rod 1. The hydraulic rod is connected to the lower end of the electro-hydraulic device, and a support plate 2 is fixedly arranged at the lower end of the hydraulic rod. A shaft rod 3 is rotatably connected through the lower end of the fixing plate. The shaft frame 2 is fixedly arranged at the outer end of the shaft rod 3. The connecting plate is fixedly arranged at the front end of the bottom of the shaft frame 2. The shaft frame 1 is fixedly arranged at the front end of the connecting plate. A shaft rod 2 is rotatably connected to the upper end of the shaft frame 1. The support plate 2 is fixedly arranged at the middle of the shaft rod 2. Both the shaft frame 1 and the shaft frame 2 are in a U-shaped structure. The shaft plate and the shaft rod 1 are used for movably supporting the support plate 1. The support plate 1 is used for fixing the electro-hydraulic device. The electro-hydraulic device and the hydraulic rod are used for hydraulic telescopic adjustment. The fixing plate and the shaft rod 3 are used for movably supporting the shaft frame 2. The shaft frame 1 and the shaft rod 2 are used for movably supporting the support plate 2. The support plate 2 is used for fixing the hydraulic rod. The connecting plate is used for fixedly connecting the U-shaped shaft frame 1 and the U-shaped shaft frame 2.

[0009] Preferably, a third shaft bracket is fixedly provided at the bottom of the connecting plate. A second driving device is provided at the outer end of the third shaft bracket. The inner side of the second driving device is rotatably connected through a fourth shaft bracket. A first driving device is installed at the lower end inside the fourth shaft bracket. The lower end of the first driving device is connected to a first driving shaft. The bottom of the first driving shaft is fixedly provided with a mounting plate. The third shaft bracket is used for fixedly and rotatably supporting the fourth shaft bracket at the bottom of the connecting plate. The second driving device is used for driving and controlling the fourth shaft bracket to flip and adjust. The first driving device is used for driving and controlling the first driving shaft and the mounting plate to rotate and adjust. The mounting plate is used for quickly disassembling and assembling to the upper end of the drill bit locking structure.

[0010] Preferably, the drill bit locking structure is installed at the lower end of the mounting plate. Convex blocks are fixedly distributed at the lower end of the outer side wall of the drill bit locking structure. The inside of the convex blocks is threadedly connected through mounting bolts. Mounting holes are provided and distributed near the upper end of the outer side wall of the first drill bit. The convex blocks are used for tightly fixing and positioning the mounting bolts. The mounting bolts are used for passing through the convex blocks and positioning and installing them inside the mounting holes, so as to quickly and stably disassemble and assemble the first drill bit.

[0011] Preferably, the rock side drilling mechanism includes a baffle plate, a branch drilling and sampling structure, an inner and outer movement adjustment mechanism, and a limit disc. A limit groove is provided in the middle of the baffle plate. The limit disc is slidably connected in the limit groove in a limited manner. A second limit plate is fixedly provided at the outer end of the limit disc. The second limit plate is slidably connected to the outer side wall of the baffle plate. The inner and outer movement adjustment mechanism includes a fixed frame, an adjustment plate, a lead screw, a second driving motor, a sliding cylinder, and a first limit plate. The limit disc is fixedly provided at the outer end of the fixed frame. The fixed frame is of a U-shaped structure and connection blocks are fixedly distributed on the inner side wall. The adjustment plate is fixedly provided between the connection blocks. A chute is provided inside the adjustment plate. The lead screw is rotatably connected inside the chute. The second driving motor is fixedly provided at the inner end of the adjustment plate and is connected through the inner end of the lead screw. The sliding cylinder is threadedly connected through the outside of the lead screw. The first limit plate is fixedly provided on the outside of the sliding cylinder and is slidably connected to the upper end surface of the adjustment plate. The branch drilling and sampling structure is provided at the upper and lower ends of the inner and outer movement adjustment mechanism. The baffle plate is used for being fixed to the outer end of the drill bit locking structure through an extension rod. The limit groove is used for stably sliding and limiting the limit disc and the second limit plate, so that the inner and outer movement adjustment mechanism and the branch drilling and sampling structure can be adjusted more stably up and down. The second driving motor is used for driving and controlling the lead screw to rotate. The lead screw is used for controlling the sliding of the sliding cylinder through the action of the thread. The sliding cylinder is used for driving the first limit plate to be limited and slide stably to the outer end of the chute, so as to realize the inner and outer sliding adjustment of the branch drilling and sampling structure.

[0012] Preferably, the branch drilling and sampling structure includes a first driving motor, a second drill bit and a positioning column. The positioning column is fixedly arranged at the outer end of the first limiting plate. A support rod is fixedly distributed between the outer end of the positioning column and the first driving motor. The inner end of the first driving motor is connected with a second driving shaft. The second drill bit is fixedly arranged at the inner end of the second driving shaft. A groove is formed in the side wall of the second drill bit. The positioning column and the support rod are used for strongly supporting the first driving motor. The first driving motor is used for driving and controlling the second driving shaft and the second drill bit to pass through the sampling hole for drilling and sampling. The groove facilitates taking out the rock sample.

[0013] Preferably, a height adjusting mechanism is connected above the branch drilling and sampling structure. The height adjusting mechanism includes a support plate, a pulley, a wire winding and unwinding device, a rope and a fixing ring. The fixing ring is fixedly arranged at the upper end of the branch drilling and sampling structure. The support plates are symmetrically and fixedly arranged at the inner upper ends of the baffle plates. A fourth shaft rod is rotatably connected between the support plates near the inner ends. The pulley is fixedly arranged at the middle of the fourth shaft rod. The wire winding and unwinding device is fixedly arranged near the upper end inside the baffle plate. The upper end of the rope is connected to the output end of the wire winding and unwinding device. The lower end of the rope bypasses above the pulley and is connected with a hook. The hook is suspended above the fixing ring. The symmetrically arranged support plates are used for rotatably supporting the fourth shaft rod and the pulley towards the inner ends. The pulley is used for rotatably and auxiliarily supporting the rope. The wire winding and unwinding device is used for winding and unwinding and adjusting the rope. The rope is used for fixing the hook. The hook is used for suspending and operating the fixing ring, so as to conveniently operate the height of the branch drilling and sampling structure.

[0014] Preferably, a positioning mechanism is arranged outside the second limiting plate. The positioning mechanism includes a first bracket, an electric push rod device, a push rod, a second bracket, a spring bracket and a positioning head. The first brackets are symmetrically and fixedly arranged at the outer end of the second limiting plate. The electric push rod device penetrates and is fixedly arranged at the end of the first bracket. The push rod is connected to the inner end of the electric push rod device. The second bracket is fixedly distributed in a Z-shaped structure on the outer side wall of the end of the push rod. The spring bracket is fixedly arranged at the inner end of the second bracket. The positioning head is fixedly arranged at the inner end of the spring bracket. The first brackets are used for symmetrically and fixedly supporting the electric push rod device towards the outer end of the second limiting plate. The electric push rod device and the push rod are used for telescopically adjusting the Z-shaped second bracket. The second bracket is used for fixedly supporting the spring bracket towards the inner end. The spring bracket is used for highly elastically supporting the positioning head. The positioning head is used for positioning and supporting the outer side wall of the baffle plate, so that the branch drilling and sampling structure and the inner and outer moving and adjusting mechanism can be locked after the height is adjusted.

[0015] (III) Beneficial effects Compared with the prior art, the beneficial effects of the present invention are as follows: By providing a multi-dimensional adjustable drilling mechanism at the front of the device column, the height of the drilling mechanism can be flexibly adjusted in three-dimensional space, simplifying the complex mechanical transmission structure in traditional drilling equipment, greatly improving the adjustment accuracy and response speed. Combining with the device column enables the drilling operation to quickly adapt to the requirements of different terrains, enhancing the adjustment stability and reliability, reducing the maintenance cost; By installing a drill bit locking structure below the multi-dimensional adjustable drilling mechanism and a drill bit 1 below it, the stable locking of the drill bit 1 is achieved, facilitating the quick replacement of different specifications or worn drill bits 1 on-site, enabling the collection of soil or rock samples during the drilling process, providing a direct basis for subsequent geological analysis, and enhancing the scientific nature and pertinence of the construction; By providing multiple groups of rock side drilling mechanisms on the outer side wall near the lower end of the drill bit locking structure, re-drilling and branch sampling of the side wall of the drilled rock are achieved, improving the accuracy and efficiency of rock drilling and sampling, being able to easily handle various complex geological conditions, greatly shortening the drilling operation time, improving the construction efficiency, reducing the labor cost, and accelerating the progress of municipal road construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic structural view from the upper front perspective of the whole of the present invention; Figure 2 It is a schematic structural view from the side rear perspective of the whole of the present invention; Figure 3 It is a schematic structural view of the whole multi-dimensional adjustment mechanism, rock drilling mechanism and rock side drilling mechanism of the present invention; Figure 4 It is a schematic view from the upper perspective of the multi-dimensional adjustment mechanism and rock drilling mechanism of the present invention; Figure 5 It is a schematic front view of the multi-dimensional adjustment mechanism and rock drilling mechanism of the present invention; Figure 6 For the present invention Figure 4 The enlarged structural view at position A; Figure 7 It is a schematic view of the drill bit structure of the present invention; Figure 8 It is a schematic view of the drill bit locking structure of the present invention; Figure 9 It is a schematic view from the upper inner perspective of the rock side drilling mechanism of the present invention; Figure 10 It is a schematic structural view from the upper outer perspective of the rock side drilling mechanism of the present invention; Figure 11 For the present invention Figure 10 The enlarged structural view at position B; Figure 12 Schematic diagram of the end structure of the positioning mechanism of the present invention; Figure 13 Schematic diagram of the upper structure of the internal and external movement adjustment mechanism of the present invention.

[0017] In the figure, 1. device column; 11. base; 111. moving wheel; 12. push rod frame; 13. reinforcing plate; 2. multi-dimensional adjustment drilling mechanism; 21. fixing plate; 211. first support plate; 22. electro-hydraulic device; 23. hydraulic rod; 231. second support plate; 24. shaft plate; 241. first shaft rod; 25. first shaft frame; 251. second shaft rod; 26. mounting plate; 261. first driving device; 262. first driving shaft; 27. second shaft frame; 271. third shaft rod; 28. connecting plate; 281. third shaft frame; 29. second driving device; 291. fourth shaft frame; 3. drill bit locking structure; 31. extension rod; 32. convex block; 33. mounting bolt; 4. first drill bit; 41. mounting hole; 42. sampling hole; 5. rock side drilling mechanism; 51. height adjustment mechanism; 511. support plate; 512. pulley; 513. fourth shaft rod; 514. wire winding and unwinding device; 515. rope; 516. hook; 52. baffle; 521. limit groove; 53. branch drilling and sampling structure; 531. first driving motor; 532. second driving shaft; 533. second drill bit; 5331. groove; 534. positioning column; 5341. support rod; 54. internal and external movement adjustment mechanism; 541. fixing frame; 542. connecting block; 543. adjusting plate; 5431. chute; 544. lead screw; 545. second driving motor; 546. sliding cylinder; 547. first limiting plate; 55. positioning mechanism; 551. first bracket; 552. electric push rod device; 553. push rod; 554. second bracket; 555. spring frame; 556. positioning head; 56. limiting disc; 561. second limiting plate; 57. fixing ring. Specific embodiments

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

[0019] Please refer to Figures 1 - 13, an embodiment of the present invention provides a technical solution: a drilling device for municipal road construction, including a device column 1, a multi-dimensional adjustable drilling mechanism 2, a drill bit locking structure 3, a first drill bit 4, and a rock side drilling mechanism 5. The bottom of the device column 1 is fixedly provided with a base 11, and moving wheels 111 are installed and distributed at the outer edge of the bottom of the base 11. The device column 1 serves as the main support structure of the entire drilling device, responsible for carrying and fixing other components. The base 11 provides stable support and realizes the mobility of the device through the moving wheels 111, making it convenient for the device to quickly transfer between different construction sites and improving the construction efficiency; The multi-dimensional adjustable drilling mechanism 2 includes a fixing plate 21, and the fixing plate 21 is fixedly arranged at the upper front part of the device column 1 in a downward inclined manner, realizing multi-dimensional adjustment of the first drill bit 4, including swinging up and down, left and right, and front and back; The drill bit locking structure 3 is installed below the multi-dimensional adjustable drilling mechanism 2, and the first drill bit 4 is embedded and installed below the drill bit locking structure 3. Sampling holes 42 are arranged in a circular array around the first drill bit 4 for simultaneously collecting soil or rock samples during the drilling process; Extension rods 31 are fixedly distributed in a circular array near the lower end of the outer side wall of the drill bit locking structure 3. The drill bit locking structure 3 makes it convenient to replace the drill bit and improves the construction efficiency. The rock side drilling mechanism 5 is arranged at the outer end of the extension rod 31, and the rock side drilling mechanism 5 is located outside the first drill bit 4.

[0020] Further improved, U-shaped push rod frames 12 are fixedly arranged on both sides and the rear of the device column 1, and a reinforcing plate 13 is fixedly distributed between the bottom of the device column 1 and the upper end of the base 11; The U-shaped push rod frame 12 is used for manually pushing and operating the device column 1, and the reinforcing plate 13 is used for highly supporting the device column 1 and the base 11, making the stability coefficient higher.

[0021] Further improved, the multi-dimensional adjustable drilling mechanism 2 further includes an electro-hydraulic device 22, a hydraulic rod 23, a shaft plate 24, a first shaft frame 25, a second shaft frame 27, and a connecting plate 28. The shaft plate 24 is fixedly distributed at the upper end of the fixing plate 21, and a first shaft rod 241 is rotatably connected to the outer end of the fixing plate 21. A first support plate 211 is fixedly arranged at the upper end of the electro-hydraulic device 22, and the first support plate 211 is fixedly arranged at the middle of the first shaft rod 241. The hydraulic rod 23 is connected to the lower end of the electro-hydraulic device 22, and a second support plate 231 is fixedly arranged at the lower end of the hydraulic rod 23; A third shaft rod 271 is rotatably connected through the lower end of the fixing plate 21, the second shaft frame 27 is fixedly arranged at the outer end of the third shaft rod 271, the connecting plate 28 is fixedly arranged at the front end of the bottom of the second shaft frame 27, the first shaft frame 25 is fixedly arranged at the front end of the connecting plate 28, a second shaft rod 251 is rotatably connected to the upper end of the first shaft frame 25, and the second support plate 231 is fixedly arranged at the middle of the second shaft rod 251; Both the first shaft bracket 25 and the second shaft bracket 27 are in a U-shaped structure; The shaft plate 24 and the first shaft rod 241 are used to movably support the first support plate 211. The first support plate 211 is used to fix the electro-hydraulic device 22. The electro-hydraulic device 22 and the hydraulic rod 23 are used for hydraulic telescopic adjustment. The fixed plate 21 and the third shaft rod 271 are used to movably support the second shaft bracket 27. The first shaft bracket 25 and the second shaft rod 251 are used to movably support the second support plate 231. The second support plate 231 is used to fix the hydraulic rod 23. The connecting plate 28 is used to fixedly connect the U-shaped first shaft bracket 25 and the U-shaped second shaft bracket 27.

[0022] Further improved, a third shaft bracket 281 is fixedly provided at the bottom of the connecting plate 28. A second driving device 29 is provided at the outer end of the third shaft bracket 281. The inner side of the second driving device 29 is rotatably connected through a through hole with a fourth shaft bracket 291. A first driving device 261 is installed at the lower end inside the fourth shaft bracket 291. The lower end of the first driving device 261 is connected with a first driving shaft 262. An installation plate 26 is fixedly provided at the bottom of the first driving shaft 262; The third shaft bracket 281 is used to fixedly rotatably support the fourth shaft bracket 291 at the bottom of the connecting plate 28. The second driving device 29 is used to drive and control the flipping adjustment of the fourth shaft bracket 291. The first driving device 261 is used to drive and control the rotation adjustment of the first driving shaft 262 and the installation plate 26. The installation plate 26 is used to be quickly disassembled and assembled to the upper end of the drill bit locking structure 3.

[0023] Further improved, the drill bit locking structure 3 is installed at the lower end of the installation plate 26. Convex blocks 32 are fixedly distributed at the lower end of the outer side wall of the drill bit locking structure 3. Installation bolts 33 are threadedly connected through the inside of the convex blocks 32; Installation holes 41 are opened and distributed near the upper end of the outer side wall of the first drill bit 4; The convex blocks 32 are used to tightly fix and position the installation bolts 33. The installation bolts 33 are used to pass through the convex blocks 32 and be positioned and installed inside the installation holes 41, so as to quickly and stably disassemble and assemble the first drill bit 4.

[0024] Further improved, the rock side drilling mechanism 5 includes a baffle 52, a branch drilling and sampling structure 53, an inner and outer movement adjustment mechanism 54 and a limit disk 56. A limit groove 521 is opened at the middle of the baffle 52. The limit disk 56 is slidably connected in a limited way at the limit groove 521. A second limit plate 561 is fixedly provided at the outer end of the limit disk 56. The second limit plate 561 is slidably connected to the outer side wall of the baffle 52; The inner and outer movement adjustment mechanism 54 includes a fixed frame 541, an adjustment plate 543, a lead screw 544, a second driving motor 545, a sliding cylinder 546 and a first limiting plate 547. The limiting disk 56 is fixedly arranged at the outer end of the fixed frame 541. The fixed frame 541 is of a U-shaped structure and the inner side wall is fixedly distributed with connecting blocks 542. The adjustment plate 543 is fixedly arranged between the connecting blocks 542. A chute 5431 is opened inside the adjustment plate 543. The lead screw 544 is rotatably connected inside the chute 5431. The second driving motor 545 is fixedly arranged at the inner side end of the adjustment plate 543 and penetrates and connects to the inner end of the lead screw 544. The sliding cylinder 546 is threadedly penetrated and connected to the outside of the lead screw 544. The first limiting plate 547 is fixedly arranged on the outside of the sliding cylinder 546 and is slidably connected to the upper end surface of the adjustment plate 543; The branch drilling and sampling structure 53 is arranged at the upper and lower ends of the inner and outer movement adjustment mechanism 54; The baffle 52 is used to be fixed to the outer end of the drill bit locking structure 3 through the extension rod 31. The limiting groove 521 is used to stably slide and limit the limiting disk 56 and the second limiting plate 561, so that the inner and outer movement adjustment mechanism 54 and the branch drilling and sampling structure 53 are adjusted up and down more stably. The second driving motor 545 is used to drive and control the rotation of the lead screw 544. The lead screw 544 is used to control the sliding of the sliding cylinder 546 through the action of the thread. The sliding cylinder 546 is used to drive the first limiting plate 547 to be limited to the outer end of the chute 5431 and slide stably, so as to realize the inner and outer sliding adjustment of the branch drilling and sampling structure 53.

[0025] Further improved, the branch drilling and sampling structure 53 includes a first driving motor 531, a second drill bit 533 and a positioning column 534. The positioning column 534 is fixedly arranged at the outer end of the first limiting plate 547. A support rod 5341 is fixedly distributed between the outer end of the positioning column 534 and the first driving motor 531. The inner end of the first driving motor 531 is connected with a second driving shaft 532. The second drill bit 533 is fixedly arranged at the inner end of the second driving shaft 532. A groove 5331 is opened on the side wall of the second drill bit 533; The positioning column 534 and the support rod 5341 are used to highly support the first driving motor 531. The first driving motor 531 is used to drive and control the second driving shaft 532 and the second drill bit 533 to penetrate through the sampling hole 42 for drilling and sampling. The groove 5331 facilitates the extraction of rock samples.

[0026] Further improved, a height adjustment mechanism 51 is connected above the branch drilling sampling structure 53. The height adjustment mechanism 51 includes a support plate 511, a pulley 512, a wire winding and unwinding device 514, a rope 515, and a fixing ring 57. The fixing ring 57 is fixedly arranged at the upper end of the branch drilling sampling structure 53. The support plate 511 is symmetrically and fixedly arranged at the inner upper end of the baffle 52. A fourth shaft 513 is rotatably connected between the support plates 511 near the inner end. The pulley 512 is fixedly arranged at the middle of the fourth shaft 513. The wire winding and unwinding device 514 is fixedly arranged near the upper end inside the baffle 52. The upper end of the rope 515 is connected to the output end of the wire winding and unwinding device 514. The lower end of the rope 515 bypasses the upper side of the pulley 512 and is connected with a hook 516. The hook 516 is suspended above the fixing ring 57; The symmetric support plates 511 are used to rotatably support the fourth shaft 513 and the pulley 512 towards the inner end. The pulley 512 is used to rotatably support the rope 515. The wire winding and unwinding device 514 is used to wind and unwind the rope 515 for adjustment. The rope 515 is used to fix the hook 516. The hook 516 is used to suspend and operate the fixing ring 57, so as to facilitate operating the height of the branch drilling sampling structure 53.

[0027] Specifically improved, a positioning mechanism 55 is arranged outside the second limiting plate 561. The positioning mechanism 55 includes a first bracket 551, an electric push rod device 552, a push rod 553, a second bracket 554, a spring bracket 555, and a positioning head 556. The first brackets 551 are symmetrically and fixedly arranged at the outer ends of the second limiting plate 561. The electric push rod device 552 is fixedly arranged through the end of the first bracket 551. The push rod 553 is connected to the inner end of the electric push rod device 552. The second bracket 554 is fixedly distributed in a Z-shaped structure on the outer side wall of the end of the push rod 553. The spring bracket 555 is fixedly arranged at the inner end of the second bracket 554. The positioning head 556 is fixedly arranged at the inner end of the spring bracket 555; The first brackets 551 are used to symmetrically and fixedly support the electric push rod device 552 towards the outer ends of the second limiting plate 561. The electric push rod device 552 and the push rod 553 are used to telescopically adjust the Z-shaped second bracket 554. The second bracket 554 is used to fixedly support the spring bracket 555 towards the inner end. The spring bracket 555 is used to highly elastically support the positioning head 556. The positioning head 556 is used to position and support the outer side wall of the baffle 52, so as to lock the branch drilling sampling structure 53 and the inner and outer movement adjustment mechanism 54 after adjusting the height.

[0028] Working principle: Hold the push rod frame 12 and stably move the device column 1 through the multiple moving wheels 111 under the base 11 to the municipal road construction site for drilling; Start the automatic control of the telescopic adjustment of the hydraulic rod 23 of the electro-hydraulic device 22 of the multi-dimensional adjustment drilling mechanism 2, and adjust the lower components through the front and back flipping movements of the first shaft frame 25, the second shaft frame 27 and the connecting plate 28. Then start the automatic control of the left and right flipping movement of the fourth shaft frame 291 by the second driving device 29 to adjust the lower components, and start the automatic control of the rotation of the first driving shaft 262 by the first driving device 261, so as to control the drill bit locking structure 3 and the first drill bit 4 to drill holes in the direction of the rock; Control the height adjustment mechanism 51 of the rock side drilling mechanism 5. Start the wire winding and unwinding device 514 of the height adjustment mechanism 51, and let the rope 515 slide stably through the pulley 512, so that the hook 516 hangs outside the fixed ring 57 to adjust the height of the branch drilling sampling structure 53 and the inner and outer movement adjustment mechanism 54, and make the limit disc 56 and the second limit plate 561 slide stably in the limit groove 521; At the same time, start the electric push rod device 552 of the positioning mechanism 55 to automatically control the telescopic adjustment of the push rod 553 and the second support 554. Through the high elasticity of the spring frame 555, the positioning head 556 positions and supports the outer wall of the baffle 52, and then locks the branch drilling sampling structure 53 and the inner and outer movement adjustment mechanism 54; Start the driving motor two 545 of the inner and outer movement adjustment mechanism 54 to automatically control the rotation of the lead screw 544, so that the sliding cylinder 546 slides outside the lead screw 544, and then drives the branch drilling sampling structure 53 to move inward through the positioning column 534 and the support rod 5341; Make the second drill bit 533 pass through the sampling hole 42, start the driving motor one 531 to automatically control the rotation of the driving shaft two 532 and the second drill bit 533 to drill holes, and re-sample the sample inside the first drill bit 4; Finally, detachably install the bolt 33, take out the first drill bit 4 from below the drill bit locking structure 3, and take out the sample from the upper part inside the first drill bit 4; Then take out the high-precision sample from inside the second drill bit 533 through the groove 5331.

[0029] The device columns 1, bases 11, moving wheels 111, push rod frames 12, reinforcing plates 13, multi-dimensional adjustable drilling mechanisms 2, fixing plates 21, first support plates 211, electro-hydraulic devices 22, hydraulic rods 23, second support plates 231, shaft plates 24, first shaft rods 241, first shaft frames 25, second shaft rods 251, mounting plates 26, first driving devices 261, first driving shafts 262, second shaft frames 27, third shaft rods 271, connecting plates 28, third shaft frames 281, second driving devices 29, fourth shaft frames 291, drill bit locking structures 3, extension rods 31, bumps 32, mounting bolts 33, first drill bits 4, mounting holes 41, sampling holes 42, rock side drilling mechanisms 5, height adjusting mechanisms 51, support plates 511, pulleys 512, fourth shaft rods 513, wire winding and unwinding devices 514, ropes 515, hooks 516, baffles 52, limiting grooves 521, branch drilling and sampling structures 53, first driving motors 531, second driving shafts 532, second drill bits 533, grooves 5331, positioning columns 534, support rods 5341, internal and external movement adjusting mechanisms 54, fixing frames 541, connecting blocks 542, adjusting plates 543, sliding grooves 5431, lead screws 544, second driving motors 545, sliding cylinders 546, first limiting plates 547, positioning mechanisms 55, first brackets 551, electric push rod devices 552, push rods 553, second brackets 554, spring frames 555, positioning heads 556, limiting discs 56, second limiting plates 561, fixing rings 57 of the present invention. The components are all common standard parts or parts known to those skilled in the art. Their structures and principles can all be learned by those skilled in the art through technical manuals or through conventional experimental methods. The problem solved by the present invention is that its hydraulic structure is used for lifting and adjusting, and flexible adjustment in a multi-dimensional space cannot be achieved. The adjustment accuracy and response speed of the complex mechanical transmission structure in traditional drilling equipment are relatively low. The direct detection accuracy of the samples after drilling is not high. Or the rock samples are large in volume and high in hardness, making it difficult to sample and detect after crushing. It is difficult to improve the accuracy and efficiency of rock drilling and sampling. Through the mutual combination of the above components, the multi-dimensional adjustable drilling mechanism 2 arranged at the front of the device column 1 realizes the flexible height adjustment of the drilling mechanism in three-dimensional space, simplifies the complex mechanical transmission structure in traditional drilling equipment, greatly improves the adjustment accuracy and response speed, enables the drilling operation to quickly adapt to the requirements of different terrains in combination with the device column 1, enhances the stability and reliability of the adjustment, and reduces the maintenance cost; through the drill bit locking structure 3 installed below the multi-dimensional adjustable drilling mechanism 2 and the first drill bit 4 installed below it, the firm locking of the drill bit is realized, which is convenient for quickly replacing different specifications or worn drill bits on site, enables soil or rock samples to be collected simultaneously during the drilling process, provides a direct basis for subsequent geological analysis, and improves the scientificity and pertinence of the construction;By means of multiple groups of rock side drilling mechanisms 5 arranged near the lower end of the outer side wall of the drill bit locking structure 3, re-drilling and branch sampling of the side wall of the drilled and retrieved rock are realized, the accuracy and efficiency of rock drilling and sampling are improved, various complex geological conditions can be easily coped with, the drilling operation time is greatly shortened, the construction efficiency is improved, the labor cost is reduced, the progress of municipal road construction is accelerated, the urban traffic pressure is relieved, and the urban image is enhanced.

[0030] The foregoing has shown and described the basic principles, main features and advantages of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above-described exemplary embodiments, and without departing from the spirit or basic characteristics of the present invention, the present invention can be implemented in other specific forms. Therefore, in any regard, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present invention. Any reference signs in the claims should not be construed as limiting the claimed invention.

[0031] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative manner of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A drilling device for municipal road construction, comprising a device column (1), a multi-dimensional adjustable drilling mechanism (2), a drill bit locking structure (3), a first drill bit (4), and a side rock drilling mechanism (5), characterized in that: A base (11) is fixedly provided at the bottom of the device column (1), and moving wheels (111) are installed and distributed at the outer edge of the bottom of the base (11); The multi-dimensional adjustable drilling mechanism (2) includes a fixing plate (21), and the fixing plate (21) is fixedly arranged at the upper front part of the device column (1) in a downward inclined manner; The drill bit locking structure (3) is installed below the multi-dimensional adjustable drilling mechanism (2), the first drill bit (4) is installed in an embedded manner below the drill bit locking structure (3), and sampling holes (42) are formed and distributed in a circular array around the first drill bit (4); At the lower part near the outer side wall of the drill bit locking structure (3), extension rods (31) are fixedly distributed in a circular array, the rock side drilling mechanism (5) is arranged at the outer end of the extension rods (31), and the rock side drilling mechanism (5) is located outside the first drill bit (4).

2. A drilling device for municipal road construction according to claim 1, characterized in that: Push rod frames (12) with a U-shaped structure are fixedly provided on both sides and at the rear of the device column (1), and reinforcing plates (13) are fixedly distributed between the bottom of the device column (1) and the upper end of the base (11).

3. A drilling device for municipal road construction according to claim 1, characterized in that: The multi-dimensional adjustable drilling mechanism (2) further includes an electro-hydraulic device (22), a hydraulic rod (23), a shaft plate (24), a first shaft frame (25), a second shaft frame (27) and a connecting plate (28). The shaft plate (24) is fixedly distributed at the upper end of the fixing plate (21), and a first shaft rod (241) is rotatably connected to the outer end of the fixing plate (21). A first support plate (211) is fixedly provided at the upper end of the electro-hydraulic device (22), and the first support plate (211) is fixedly arranged at the middle of the first shaft rod (241). The hydraulic rod (23) is connected to the lower end of the electro-hydraulic device (22), and a second support plate (231) is fixedly provided at the lower end of the hydraulic rod (23); A third shaft rod (271) is rotatably connected through the lower end of the fixing plate (21), the second shaft frame (27) is fixedly arranged at the outer end of the third shaft rod (271), the connecting plate (28) is fixedly arranged at the front end of the bottom of the second shaft frame (27), the first shaft frame (25) is fixedly arranged at the front end of the connecting plate (28), a second shaft rod (251) is rotatably connected to the upper end of the first shaft frame (25), and the second support plate (231) is fixedly arranged at the middle of the second shaft rod (251); Both the first shaft frame (25) and the second shaft frame (27) have a U-shaped structure.

4. A drilling device for municipal road construction according to claim 3, characterized in that: A third shaft frame (281) is fixedly provided at the bottom of the connecting plate (28), a second driving device (29) is arranged at the outer end of the third shaft frame (281), a fourth shaft frame (291) is rotatably connected through the inner side of the second driving device (29), a first driving device (261) is installed at the lower part inside the fourth shaft frame (291), a first driving shaft (262) is connected to the lower end of the first driving device (261), and a mounting plate (26) is fixedly provided at the bottom of the first driving shaft (262).

5. A drilling device for municipal road construction according to claim 4, characterized in that: The drill bit locking structure (3) is installed at the lower end of the mounting plate (26). The lower end of the outer side wall of the drill bit locking structure (3) is fixedly distributed with bumps (32). The inside of the bumps (32) is threadedly penetrated and connected with mounting bolts (33). The upper end near the outer side wall of the drill bit one (4) is provided with mounting holes (41) in a distributed manner.

6. The drilling device for municipal road construction according to claim 1, characterized in that: The rock side drilling mechanism (5) includes a baffle (52), a branch drilling and sampling structure (53), an inner and outer movement adjustment mechanism (54), and a limit disk (56). A limit groove (521) is provided in the middle of the baffle (52). The limit disk (56) is connected in a limit sliding manner at the limit groove (521). The outer end of the limit disk (56) is fixedly provided with a second limit plate (561). The second limit plate (561) is slidably connected to the outer side wall of the baffle (52). The inner and outer movement adjustment mechanism (54) includes a fixed frame (541), an adjustment plate (543), a lead screw (544), a second drive motor (545), a sliding cylinder (546), and a first limit plate (547). The limit disk (56) is fixedly arranged at the outer end of the fixed frame (541). The fixed frame (541) is of a U-shaped structure, and connecting blocks (542) are fixedly distributed on the inner side wall. The adjustment plate (543) is fixedly arranged between the connecting blocks (542). A chute (5431) is provided inside the adjustment plate (543). The lead screw (544) is rotatably connected inside the chute (5431). The second drive motor (545) is fixedly arranged at the inner end of the adjustment plate (543) and is penetrated and connected to the inner end of the lead screw (544). The sliding cylinder (546) is threadedly penetrated and connected to the outside of the lead screw (544). The first limit plate (547) is fixedly arranged on the outside of the sliding cylinder (546) and is slidably connected to the upper end surface of the adjustment plate (543). The branch drilling and sampling structure (53) is arranged at the upper and lower ends of the inner and outer movement adjustment mechanism (54).

7. A drilling device for municipal road construction according to claim 6, characterized in that: The branch drilling and sampling structure (53) includes a first drive motor (531), a drill bit two (533), and a positioning column (534). The positioning column (534) is fixedly arranged at the outer end of the first limit plate (547). A support rod (5341) is fixedly distributed between the outer end of the positioning column (534) and the first drive motor (531). The inner end of the first drive motor (531) is connected with a second drive shaft (532). The drill bit two (533) is fixedly arranged at the inner end of the second drive shaft (532). A groove (5331) is provided on the side wall of the drill bit two (533).

8. A drilling device for municipal road construction according to claim 7, characterized in that: Above the branch drilling and sampling structure (53), a height adjustment mechanism (51) is connected. The height adjustment mechanism (51) includes a support plate (511), a pulley (512), a wire winding and unwinding device (514), a rope (515), and a fixing ring (57). The fixing ring (57) is fixedly arranged at the upper end of the branch drilling and sampling structure (53). The support plates (511) are symmetrically and fixedly arranged at the inner upper end of the baffle (52). A fourth shaft rod (513) is rotatably connected between the support plates (511) near the inner end. The pulley (512) is fixedly arranged at the middle of the fourth shaft rod (513). The wire winding and unwinding device (514) is fixedly arranged near the upper end inside the baffle (52). The upper end of the rope (515) is connected to the output end of the wire winding and unwinding device (514). The lower end of the rope (515) bypasses the upper part of the pulley (512) and is connected with a hook (516). The hook (516) is suspended above the fixing ring (57).

9. A drilling device for municipal road construction according to claim 8, characterized in that: A positioning mechanism (55) is arranged outside the second limiting plate (561). The positioning mechanism (55) includes a first bracket (551), an electric push rod device (552), a push rod (553), a second bracket (554), a spring bracket (555), and a positioning head (556). The first brackets (551) are symmetrically and fixedly arranged at the outer ends of the second limiting plate (561). The electric push rod device (552) is fixedly arranged through the end of the first bracket (551). The push rod (553) is connected to the inner end of the electric push rod device (552). The second bracket (554) is fixedly distributed in a Z-shaped structure on the outer side wall of the end of the push rod (553). The spring bracket (555) is fixedly arranged at the inner end of the second bracket (554). The positioning head (556) is fixedly arranged at the inner end of the spring bracket (555).

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