Coring bit for road engineering pavement quality detection

Abstract

The utility model discloses a coring bit for road engineering pavement quality detection. The coring bit comprises a bit body, a block body and a dismounting mechanism, the dismounting and mounting mechanism comprises a shell fixedly connected to the top end of the drill bit body, an empty groove and a through hole, the empty groove and the through hole are formed in a block body, a groove and a through groove are symmetrically formed in the shell, and a check block used for being inserted into the through groove is movably connected into the through hole; according to the coring bit for road engineering pavement quality detection, the dismounting and mounting mechanism is arranged on the bit body and the block body, so that the bit body can be preliminarily positioned by the check block after driving the shell to sleeve the block body, and two racks can be driven to move in opposite directions by rotating a first gear; furthermore, the inserting blocks can be inserted into the grooves to fix the shell, and the shell is convenient to disassemble; by means of the arrangement, the drill bit body can be preliminarily positioned and then clamped and fixed during installation, and therefore the working efficiency of the coring drill bit during disassembly and assembly is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of highway engineering quality detection, in particular to a coring drill bit for highway engineering pavement quality detection. Background Art

[0002] As we all know, highway coring is an essential part of testing whether highway construction is qualified, and currently road coring drills are commonly used to conduct roadbed quality inspections.

[0003] When the road coring drill rig in the prior art is in use, its coring drill bit is made of alloy material as a whole, which makes the drill bit heavy. Due to the lack of a functional setting for preliminary positioning of the drill bit during installation, the staff needs to pick up the drill bit first and then install it by connecting studs. In addition, manpower is needed to maintain the stability of the drill bit during the installation process, so the work efficiency when the drill bit is installed on the drilling rig still needs to be improved. For this reason, we propose a coring drill bit for road quality inspection of highway engineering.

[0004] The above information disclosed in the Background section is only for enhancement of understanding of the background of the present disclosure and therefore it may include information that does not constitute the prior art that is already known to one of ordinary skill in the art. Utility Model Content

[0005] The utility model aims to provide a coring drill bit for road surface quality inspection in highway engineering to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a coring drill bit for road surface quality inspection in highway engineering, comprising: a drill bit body, a block and a disassembly and assembly mechanism;

[0007] The disassembly and assembly mechanism includes a shell body fixedly connected to the top of the drill bit body and an empty slot and a through hole opened in the block body, the shell body is symmetrically provided with a groove and a through slot respectively, the through hole is movably connected inside with a stopper for inserting into the through slot, the empty slot is rotatably connected with a rotating shaft, the rotating shaft is fixedly sleeved with a first bevel gear and a first gear respectively, both sides of the first gear are meshedly connected with a rack, the rack is movably connected to the inner side wall of the empty slot, one side of the rack is fixedly connected with an insertion block for inserting into the groove through a plate body, the outer side of the first bevel gear is meshedly connected with the second bevel gear, one side of the second bevel gear is fixedly connected with a rod body, the rod body is rotatably connected to the inside of the block, one end of the rod body extends to the outside of the block and is fixedly connected with the second gear, the outer side of the second gear is meshedly connected with a positioning gear, and one side of the positioning gear is movably connected to the block.

[0008] By adopting the above technical scheme, when the drill body needs to be installed on the block, the shell can be driven to be mounted on the block by first lifting the drill body, so that the stopper can be moved out of the through hole and inserted into the through groove, so that the shell can be initially positioned, and then the rod body can drive the second bevel gear to rotate by rotating the second gear clockwise, so that the first bevel gear can drive the first gear to rotate through the rotating shaft, and then the two racks can move closer to each other under the action of the first gear, so that the two insert blocks can be inserted into the groove through the plate body under the action of the rack, and then the position of the insert block can be fixed by meshing the positioning gear with the second gear, so that the insert block can firmly clamp the shell on the block, so that the drill body can complete the installation work.

[0009] Preferably, a support block is welded to the outer side of the block, the internal thread of the support block is connected to a threaded rod, one end of the threaded rod is rotatably connected to a connecting block through a bearing, one side of the connecting block is welded to the positioning gear, and the connecting block is movably connected to the inside of the support block.

[0010] By adopting the above technical solution, the threaded rod can drive the connecting block to move after being tightened, so that the connecting block can drive the positioning gear to engage with the second gear.

[0011] Preferably, a sliding rod is evenly and fixedly connected to a side of the connecting block away from the positioning gear, and the sliding rod is slidably connected to the inside of the supporting block.

[0012] By adopting the above technical solution, the movement of the connecting block can be limited, so that the connecting block can drive the positioning gear to translate when acted upon by the threaded rod.

[0013] Preferably, a protrusion is welded on one end of the threaded rod away from the connecting block, and a slot for inserting a wrench is formed on one side of the protrusion.

[0014] By adopting the above technical solution, it is possible to conveniently tighten the threaded rod by using a wrench, thereby increasing the fixing force of the threaded rod.

[0015] Preferably, a handle is fixedly connected to a side of the second gear away from the rod body.

[0016] By adopting the above technical solution, the second gear can be easily rotated.

[0017] Preferably, the bottom end of the drill body is evenly and fixedly provided with equidistantly distributed protruding teeth.

[0018] By adopting the above technical solution, the drill bit body can be easily drilled into the roadbed after rotation.

[0019] Preferably, a baffle is fixedly connected to the inside of the through hole, a sliding groove is opened on the inner wall of the through hole, springs are fixedly connected to both ends of the baffle, the opposite ends of the two springs are fixedly connected to the baffle, a slider is fixedly connected to the outer side of the baffle, and the slider is slidably connected to the inner wall of the sliding groove.

[0020] By adopting the above technical solution, when the shell is mounted on the block, the arc-shaped block can be moved into the through hole under the extrusion of the shell, and when the position of the through groove corresponds to the through hole, the block can be inserted into the through groove under the tensioning force of the spring, so that the shell can be initially positioned on the block.

[0021] Preferably, the top of the block is fixedly connected to the output shaft of the motor of the coring device.

[0022] By adopting the above technical solution, it is possible to facilitate the motor to drive the installed drill body through the block to perform a coring operation.

[0023] Preferably, a movable plate is fixedly connected to one side of the rack, and the inner side wall of the empty slot is slidably connected to the movable plate via a guide rail.

[0024] By adopting the above technical solution, the stability of the rack during movement can be improved.

[0025] Preferably, limiting rods are welded on both sides of the block, a connecting plate is movably mounted on the limiting rods, and the bottom of the connecting plate is welded to the insert block.

[0026] By adopting the above technical solution, the stability of the insert block during movement can be improved.

[0027] In summary, the present application includes at least one of the following beneficial technical effects:

[0028] The coring drill bit for road surface quality inspection of this highway engineering project is provided with a disassembly and assembly mechanism on the drill bit body and the block body, so that the drill bit body can be initially positioned by the stop block after driving the shell body to be mounted on the block body, and the two racks can be driven to move toward each other by rotating the first gear, so that the insert block can be inserted into the groove to fix the shell body, and it is also easy to disassemble; through the above arrangement, the drill bit body can be initially positioned and then clamped and fixed during installation, thereby effectively improving the work efficiency of the coring drill bit during disassembly and assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 A schematic diagram of the structure of a coring drill bit for road quality inspection of a highway project according to the utility model;

[0030] Figure 2 It is an enlarged schematic diagram of area A of the structural schematic diagram of a coring drill bit for road surface quality inspection of a highway engineering project of the utility model;

[0031] Figure 3 It is a structural schematic diagram of a block in a coring drill bit for road quality inspection of a highway engineering project of the utility model;

[0032] Figure 4 It is an enlarged schematic diagram of area B of the block structure schematic diagram of the coring drill bit for road surface quality inspection of the utility model;

[0033] Figure 5 The utility model is a schematic diagram of the structure of the spring and the stopper in the coring drill bit for road surface quality inspection of highway engineering.

[0034] In the figure: 1. drill body; 10. block; 11. convex teeth; 2. disassembly and assembly mechanism; 20. shell; 21. groove; 22. through groove; 23. through hole; 24. baffle; 25. spring; 26. block; 27. empty slot; 28. rotating shaft; 29. ​​first gear; 201. rack; 202. plate; 203. first bevel gear; 204. second bevel gear; 205. rod body; 206. slide groove; 207. slider; 208. movable plate; 209. limit rod; 210. connecting plate; 211. plug block; 212. second gear; 213. positioning gear; 214. connecting block; 215. support block; 216. threaded rod; 217. slide rod; 218. convex block; 219. handle; 3. motor. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] See also Figure 1-Figure 5 , the utility model provides a technical solution: a coring drill bit for road quality inspection of highway engineering, comprising: a drill bit body 1, a block 10 and a disassembly and assembly mechanism 2;

[0037] First, when the drill body 1 needs to be installed on the block 10, the shell 20 can be driven to be sleeved on the block 10 by lifting the drill body 1, so that the stopper 26 can be moved out of the through hole 23 and inserted into the through groove 22, so that the shell 20 can be initially positioned, and then the rod body 205 can drive the second bevel gear 204 to rotate by rotating the second gear 212 clockwise, so that the first bevel gear 203 can drive the first gear 29 to rotate through the rotating shaft 28, so that the two racks 201 can be rotated on the first gear The two inserting blocks 211 can be inserted into the groove 21 through the plate 202 under the action of the rack 201, and then the position of the inserting block 211 can be fixed by making the positioning gear 213 mesh with the second gear 212, so that the inserting block 211 can firmly clamp the housing 20 on the block 10, so that the drill body 1 can complete the installation work; the disassembly and assembly mechanism 2 includes a housing 20 fixedly connected to the top of the drill body 1 and an empty groove 27 and a through hole 23 opened in the block 10, and the housing 20 is fixedly connected to the top of the drill body 1 ... The grooves 21 and the through grooves 22 are symmetrically provided, the through hole 23 is movably connected with a stopper 26 for inserting into the through groove 22, the hollow groove 27 is rotatably connected with a rotating shaft 28, the rotating shaft 28 is respectively fixed with a first bevel gear 203 and a first gear 29, both sides of the first gear 29 are meshedly connected with a rack 201, the rack 201 is movably connected to the inner side wall of the hollow groove 27, one side of the rack 201 is fixedly connected with an insert block 211 for inserting into the groove 21 through the plate body 202, the outer side of the first bevel gear 203 is meshedly connected with A second bevel gear 204, one side of which is fixedly connected to a rod body 205, the rod body 205 is rotatably connected to the inside of the block 10, one end of the rod body 205 extends to the outside of the block 10 and is fixedly connected to a second gear 212, the outer side of the second gear 212 is meshedly connected to a positioning gear 213, one side of the positioning gear 213 is movably connected to the block 10; in order to facilitate the motor 3 to drive the installed drill body 1 through the block 10 to perform a coring operation, the top of the block 10 is fixedly connected to the output shaft of the motor 3 of the coring device;

[0038] Secondly, in order to drive the connecting block 214 to move after the threaded rod 216 is tightened, so that the connecting block 214 can drive the positioning gear 213 to mesh with the second gear 212, a support block 215 is welded on the outside of the block 10, and the internal thread of the support block 215 is connected to the threaded rod 216, and one end of the threaded rod 216 is rotatably connected to the connecting block 214 through a bearing, and one side of the connecting block 214 is welded to the positioning gear 213, and the connecting block 214 is movably connected to the inside of the supporting block 215; in order to enable the movement of the connecting block 214 The connection block 214 is limited so that the positioning gear 213 can be driven to translate when the threaded rod 216 acts on the connection block 214. The side of the connection block 214 away from the positioning gear 213 is evenly fixedly connected with a sliding rod 217, and the sliding rod 217 is slidably connected to the inside of the support block 215. In order to facilitate the tightening of the threaded rod 216 by a wrench, thereby increasing the fixing force of the threaded rod 216, a protrusion 218 is welded on one end of the threaded rod 216 away from the connection block 214, and a slot for inserting a wrench is provided on one side of the protrusion 218.

[0039] Again, in order to facilitate the rotation of the second gear 212, a handle 219 is fixedly connected to the side of the second gear 212 away from the rod body 205; in order to facilitate the drill bit body 1 to drill into the roadbed after rotation, the bottom end of the drill bit body 1 is evenly and fixedly provided with equidistantly distributed convex teeth 11; when the shell 20 is mounted on the block 10, the arc-shaped block 26 can be moved into the through hole 23 under the squeezing action of the shell 20, and when the position of the through groove 22 corresponds to the through hole 23, the block 26 can be inserted into the through groove 22 under the tensioning force of the spring 25, so that the shell 20 can be initially positioned on the block 10, and the inside of the through hole 23 is fixedly connected with a baffle 24. A slide groove 206 is provided on the inner wall of the hole 23, and springs 25 are fixedly connected at both ends of the baffle 24. The opposite ends of the two springs 25 are fixedly connected to the block 26, and a slider 207 is fixedly connected to the outer side of the block 26. The slider 207 is slidably connected to the inner wall of the slide groove 206; in order to improve the stability of the rack 201 when it moves, a movable plate 208 is fixedly connected to one side of the rack 201, and the inner wall of the empty groove 27 is slidably connected to the movable plate 208 through a guide rail; in order to improve the stability of the plug block 211 when it moves, limit rods 209 are welded on both sides of the block 10, and a connecting plate 210 is movably mounted on the limit rod 209, and the bottom of the connecting plate 210 is welded to the plug block 211.

[0040] According to the above technical scheme, the working steps of this scheme are summarized and sorted out: when in use, the block 10 is fixedly connected to the output shaft of the motor 3 of the sampling device. When the drill body 1 needs to be installed on the block 10, the shell 20 can be driven to be sleeved on the block 10 by lifting the drill body 1, so that the stopper 26 can be moved out of the through hole 23 and inserted into the through groove 22, so that the shell 20 can be initially positioned, and then the rod body 205 can drive the second bevel gear 204 to rotate by rotating the second gear 212 clockwise, so that the first bevel gear 203 can drive the first gear 29 to rotate through the rotating shaft 28, so that the two racks 201 can move closer to each other under the action of the first gear 29. The two insert blocks 211 can be inserted into the groove 21 through the plate body 202 under the action of the rack 201, and then the position of the insert block 211 can be fixed by engaging the positioning gear 213 with the second gear 212, so that the insert block 211 can firmly clamp the shell 20 on the block 10, so that the drill body 1 can complete the installation work; when the drill body 1 needs to be disassembled, the positioning gear 213 can be moved away from the second gear 212, and then the rod body 205 is driven by the second gear 212 to rotate counterclockwise, so that the two insert blocks 211 can be moved out of the groove 21 under the action of the rack 201, and finally the drill body 1 can be removed from the block 10 by squeezing the stop block 26 into the through hole 23.

[0041] In summary: the coring drill bit for road quality inspection of the highway engineering project is provided with a disassembly and assembly mechanism 2 on the drill bit body 1 and the block body 10, so that the drill bit body 1 can drive the shell 20 to be mounted on the block body 10 and can be initially positioned by the stop block 26, and can drive the two racks 201 to move toward each other by rotating the first gear 29, so that the insert block 211 can be inserted into the groove 21 to fix the shell 20, and it is also easy to disassemble; through the above arrangement, the drill bit body 1 can be initially positioned and then clamped and fixed during installation, thereby effectively improving the work efficiency of the coring drill bit during disassembly and assembly.

[0042] Parts not involved in the present invention are the same as the prior art or can be implemented by the prior art. 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 can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A coring drill bit for road quality inspection of highway engineering, characterized in that: include: A drill body (1), a block (10) and a disassembly and assembly mechanism (2); The disassembly and assembly mechanism (2) comprises a housing (20) fixedly connected to the top of the drill body (1) and a slot (27) and a through hole (23) provided inside the block (10); the housing (20) is symmetrically provided with a groove (21) and a through groove (22); a stopper (26) for inserting into the through groove (22) is movably connected inside the through hole (23); a rotating shaft (28) is rotatably connected inside the slot (27); a first bevel gear (203) and a first gear (29) are fixedly mounted on the rotating shaft (28); both sides of the first gear (29) are meshingly connected with racks (201); the racks (201) are movably connected to the slot (27). ), one side of the rack (201) is fixedly connected to an insert block (211) for inserting into the groove (21) through a plate body (202), the outer side of the first bevel gear (203) is meshingly connected to a second bevel gear (204), one side of the second bevel gear (204) is fixedly connected to a rod body (205), the rod body (205) is rotatably connected to the inside of the block body (10), one end of the rod body (205) extends to the outside of the block body (10) and is fixedly connected to a second gear (212), the outer side of the second gear (212) is meshingly connected to a positioning gear (213), and one side of the positioning gear (213) is movably connected to the block body (10).

2. A coring drill bit for road quality inspection of highway engineering according to claim 1, characterized in that: A support block (215) is welded to the outer side of the block body (10); a threaded rod (216) is internally threadedly connected to the support block (215); one end of the threaded rod (216) is rotatably connected to a connection block (214) via a bearing; one side of the connection block (214) is welded to a positioning gear (213); and the connection block (214) is movably connected to the inside of the support block (215).

3. A coring drill bit for road quality inspection of highway engineering according to claim 2, characterized in that: A sliding rod (217) is evenly and fixedly connected to one side of the connecting block (214) away from the positioning gear (213), and the sliding rod (217) is slidably connected to the inside of the supporting block (215).

4. A coring drill bit for road quality inspection of highway engineering according to claim 2, characterized in that: A protrusion (218) is welded to one end of the threaded rod (216) away from the connecting block (214), and a slot for inserting a wrench is provided on one side of the protrusion (218).

5. A coring drill bit for road surface quality inspection in highway engineering according to claim 1, characterized in that: A handle (219) is fixedly connected to a side of the second gear (212) away from the rod body (205).

6. A coring drill bit for road surface quality inspection in highway engineering according to claim 1, characterized in that: The bottom end of the drill body (1) is evenly and fixedly provided with convex teeth (11) distributed at equal intervals.

7. A coring drill bit for road quality inspection of highway engineering according to claim 1, characterized in that: A baffle (24) is fixedly connected to the inside of the through hole (23); a slide groove (206) is provided on the inner side wall of the through hole (23); springs (25) are fixedly connected to both ends of the baffle (24); the opposite ends of the two springs (25) are fixedly connected to the baffle (26); a slider (207) is fixedly connected to the outer side of the baffle (26); and the slider (207) is slidably connected to the inner side wall of the slide groove (206).

8. A coring drill bit for road surface quality inspection in highway engineering according to claim 1, characterized in that: The top of the block (10) is fixedly connected to the output shaft of the motor (3) of the coring device.

9. A coring drill bit for road quality inspection of highway engineering according to claim 1, characterized in that: A movable plate (208) is fixedly connected to one side of the rack (201), and the inner side wall of the empty slot (27) is slidably connected to the movable plate (208) via a guide rail.

10. A coring drill bit for road quality inspection in highway engineering according to claim 8, characterized in that: Limit rods (209) are welded on both sides of the block (10), a connecting plate (210) is movably mounted on the limit rods (209), and the bottom of the connecting plate (210) is welded to the insert block (211).

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