CN210087271U - Core bit for detecting road surface quality of highway engineering - Google Patents
Core bit for detecting road surface quality of highway engineering Download PDFInfo
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- CN210087271U CN210087271U CN201920655480.3U CN201920655480U CN210087271U CN 210087271 U CN210087271 U CN 210087271U CN 201920655480 U CN201920655480 U CN 201920655480U CN 210087271 U CN210087271 U CN 210087271U
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Abstract
The utility model discloses a get core drill bit for highway engineering road surface quality detects, including connecting axle, drill spindle and drill bit, be close to the one end fixedly connected with threaded rod of drill spindle on the connecting axle, the one end that is close to the connecting axle on the drill spindle is equipped with the thread groove, threaded rod threaded connection is in the thread groove, be equipped with two anti-disengaging mechanisms between drill spindle and the connecting rod, be equipped with the device groove on the drill spindle, fixedly connected with slide bar on the inner wall in device groove, sliding sleeve is equipped with ejection mechanism on the slide bar, the one end fixedly connected with stop gear who is close to the drill bit on the drill spindle, the drill bit is for getting core drill bit. The utility model has the advantages of reasonable design, have the benefit of the drill core that conveniently changes the drill bit and conveniently ejecting blocking.
Description
Technical Field
The utility model relates to a highway engineering quality detects technical field, especially relates to a coring bit for highway engineering road surface quality detects.
Background
Coring bit mainly is the instrument that is used for drilling to products such as steel sheet, and coring bit's machine, thin wall diamond coring bit are gone up in the cooperation of hollow bit specially: the concrete core sample is directly drilled on the structural concrete, and the compressive strength test is carried out after the core sample is processed, so that the method is known as a more visual and reliable test method for detecting the concrete strength, and an alloy drill bit and a tool steel drill bit are arranged according to the materials.
In the prior art, the coring bit used in the quality detection of the highway engineering is usually broken in a drill hole and difficult to take out due to the fact that the coring bit is greatly worn and worn due to long-time work and the road sample in the coring bit is also usually broken in the drill bit and difficult to take out due to uneven pressure of the drill hole, so that the coring bit for the quality detection of the road surface of the highway engineering is provided to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a coring bit for detecting the road surface quality of highway engineering.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a get core drill bit for highway engineering road surface quality detects, includes connecting axle, drill spindle and drill bit, be close to the one end fixedly connected with threaded rod of drill spindle on the connecting axle, the one end that is close to the connecting axle on the drill spindle is equipped with the thread groove, threaded rod threaded connection is in the thread groove, be equipped with two anti-disengaging mechanisms between drill spindle and the connecting axle, be equipped with the device groove on the drill spindle, fixedly connected with slide bar on the inner wall in device groove, sliding sleeve is equipped with ejection mechanism on the slide bar, the one end fixedly connected with stop gear who is close to the drill bit on the drill spindle, the drill bit is for getting core drill bit.
Preferably, the anti-separation mechanism comprises a fixing plate arranged between the connecting shaft and the drill shaft, two ends of the fixing plate are in threaded connection with fixing screws, and the tail ends of the two fixing screws are in threaded connection with the side wall of the connecting shaft and the side wall of the drill shaft respectively.
Preferably, ejection mechanism establishes the spring on the slide bar including the slip cap, the slip cap is equipped with the knockout pin on the slide bar, be equipped with the recess on the knockout pin, the one end of slide bar slides in the recess, the one end that the slide bar was kept away from to the knockout pin runs through the inner wall in device groove and extends to in the drill bit, be equipped with the rotation groove on the lateral wall of knockout pin, it is connected with the turning block to rotate on the rotation groove, fixedly connected with connecting rod on the lateral wall of turning block, the upper end threaded connection of connecting rod has stop screw, stop screw's upper end fixedly connected with block, be equipped with the spacing groove on the lateral wall of drill spindle, the spacing groove communicates with the device groove mutually, be equipped with the baffle on the lateral wall of spacing groove.
Preferably, the limiting mechanism comprises two limiting rods fixedly connected to the side wall of the drill spindle, two limiting holes are formed in the side wall of each limiting rod, two threaded holes are formed in the side wall of the drill bit, the positions of the two threaded holes correspond to the positions of the two limiting holes respectively, locking screws are connected to the threaded holes in a threaded mode, and the lower ends of the locking screws are located in the two limiting holes respectively.
Preferably, the threaded rod is threaded in a direction opposite to the direction of rotation of the connecting shaft.
Preferably, the cap may be completely hidden in the stopper groove.
The utility model has the following beneficial effects;
1. the anti-separation mechanism, the limiting mechanism and the threaded rod are matched with each other, so that the fixed connection between the connecting shaft and the drill shaft can be changed into threaded connection, the thread direction is opposite to the rotating direction of the connecting shaft, the drill bit and the drill shaft are movably connected, the drill bit can be taken down from the drill shaft at any time, and the worn drill bit can be conveniently taken down so as to avoid overuse and fracture in a drilled hole;
2. through setting up ejection mechanism, when the drill core card in the drill bit, can twist the block, stir the block and let the connecting rod leave the spacing groove, then under the elastic force effect of spring, will push out the ejector pin ejecting downwards, can be ejecting with the drill core in the drill bit, simple and convenient, easy to operate.
Drawings
Fig. 1 is a schematic structural diagram of a core bit for detecting road surface quality in highway engineering according to the present invention;
fig. 2 is a cross-sectional view of a drill spindle structure of a core drill bit for detecting road surface quality in highway engineering according to the present invention;
fig. 3 is the utility model provides a partial schematic view of ejector pin that is used for core bit of highway engineering road surface quality detection.
In the figure: 1 connecting shaft, 2 threaded rod, 3 limit groove, 4 cover cap, 5 drill shaft, 6 threaded hole, 7 drill bit, 8 fixing screw, 9 fixing plate, 10 slide bar, 11 spring, 12 device groove, 13 ejection rod, 14 rotating block, 15 rotating groove, 16 locking screw, 17 limit hole, 18 limit rod, 19 connecting rod and 20 limit screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-3, a coring bit for detecting road surface quality of highway engineering comprises a connecting shaft 1, a drill shaft 5 and a bit 7, wherein a threaded rod 2 is fixedly connected to one end of the connecting shaft 1, which is close to the drill shaft 5, a threaded groove is formed in one end of the drill shaft 5, which is close to the connecting shaft 1, the threaded rod 2 is in threaded connection with the threaded groove, two anti-separation mechanisms are arranged between the drill shaft 5 and the connecting shaft 1, a device groove 12 is formed in the drill shaft 5, a sliding rod 10 is fixedly connected to the inner wall of the device groove 12, an ejection mechanism is slidably sleeved on the sliding rod 10, a limiting mechanism is fixedly connected to one end of the drill shaft 5, which is close to the bit 7, and.
Wherein, anti-disengaging mechanism is including establishing fixed plate 9 between connecting axle 1 and drill spindle 5, and the equal threaded connection in both ends of fixed plate 9 has set screw 8, and two set screw 8's tail end respectively with the lateral wall of connecting axle 1, the lateral wall threaded connection of drill spindle 5, and two fixed plates 9 are connected connecting axle 1 and drill spindle 5, prevent that threaded rod 2 is not hard up to break away from, increase fixed steadiness.
Wherein, the ejection mechanism comprises a spring 11 which is sleeved on a sliding rod 10 in a sliding way, an ejection rod 13 is sleeved on the sliding rod 10 in a sliding way, a groove is arranged on the ejection rod 13, one end of the sliding rod 10 slides in the groove, one end of the ejection rod 13 far away from the sliding rod 10 penetrates through the inner wall of a device groove 12 and extends into a drill bit 7, a rotating groove 15 is arranged on the side wall of the ejection rod 13, a rotating block 14 is connected on the rotating groove 15 in a rotating way, a connecting rod 19 is fixedly connected on the side wall of the rotating block 14, a limit screw 20 is connected at the upper end of the connecting rod 19 in a threaded way, a cap 4 is fixedly connected at the upper end of the limit screw 20, a limit groove 3 is arranged on the side wall of a drill spindle 5, the limit groove 3 is communicated with the device groove 12, a partition plate is arranged on the side wall of the limit groove 3, the cap 4 is shifted to drive the rotating block 14 to, the connecting rod 19 is completely positioned below the partition plate, the cap 4 and the limit screw 20 are positioned above the partition plate, the cap 4 is screwed, and the cap 4 is abutted against the upper end of the partition plate to complete fixing and locking.
Wherein, stop gear includes two gag lever posts 18 of fixed connection on the 5 lateral walls of drill spindle, all be equipped with spacing hole 17 on the lateral wall of two gag lever posts 18, be equipped with two screw holes 6 on the lateral wall of drill bit 7, the position of two screw holes 6 is corresponding with the position of two spacing holes 17 respectively, equal threaded connection has locking screw 16 in two screw holes 6, the lower extreme of two locking screw 16 is located two spacing holes 17 respectively, be equipped with two spacing grooves corresponding with two gag lever posts 18 positions on the drill bit 7, two gag lever posts 18 are located two spacing inslots respectively.
Specifically, the threaded rod 2 has a thread direction opposite to the rotation direction of the connecting shaft 1, so that the threaded rod 2 is prevented from being disengaged from the thread groove when the connecting shaft 1 rotates.
Specifically, the cap 4 can be completely hidden in the limiting groove 3, and when the cap 4 completely abuts against the partition plate, the cap 4 can be completely hidden in the limiting groove 3 without protruding.
The utility model discloses in, when the coring bit that is used in highway engineering quality testing needs to be changed, can twist off two locking screw 16, extract drill bit 7 outward toward drill arbor 5 and can change the drill bit 7 of wearing and tearing, when drill arbor 5 also needs to be changed, can twist off each set screw 8, pull down two fixed plates 9, then with drill arbor 5 from threaded rod 2 twist off can, when the drill core in the drill bit 7 blocks, can twist block 4, dial out connecting rod 19 outward toward spacing groove 3, under spring 11's spring action, drive the drill core that ejector rod 13 top blocked, it is ejecting.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a coring bit for highway engineering road surface quality detects, includes connecting axle (1), drill spindle (5) and drill bit (7), its characterized in that, be close to one end fixedly connected with threaded rod (2) of drill spindle (5) on connecting axle (1), the one end that is close to connecting axle (1) on drill spindle (5) is equipped with the thread groove, threaded rod (2) threaded connection is in the thread groove, be equipped with two between drill spindle (5) and connecting axle (1) and prevent breaking away from the mechanism, be equipped with device groove (12) on drill spindle (5), fixedly connected with slide bar (10) on the inner wall of device groove (12), the sliding sleeve is equipped with ejecting mechanism on slide bar (10), the one end fixedly connected with stop gear who is close to drill bit (7) on drill spindle (5), drill bit (7) are coring bit.
2. The core bit for detecting the road surface quality of the highway engineering as claimed in claim 1, wherein the separation preventing mechanism comprises a fixing plate (9) arranged between the connecting shaft (1) and the drill spindle (5), both ends of the fixing plate (9) are in threaded connection with fixing screws (8), and the tail ends of the two fixing screws (8) are in threaded connection with the side wall of the connecting shaft (1) and the side wall of the drill spindle (5) respectively.
3. The core bit for detecting the road surface quality of the highway engineering according to claim 1, wherein the ejection mechanism comprises a spring (11) slidably sleeved on a sliding rod (10), an ejector rod (13) slidably sleeved on the sliding rod (10), a groove is formed in the ejector rod (13), one end of the sliding rod (10) slides in the groove, one end of the ejector rod (13), far away from the sliding rod (10), penetrates through the inner wall of a device groove (12) and extends into the bit (7), a rotating groove (15) is formed in the side wall of the ejector rod (13), a rotating block (14) is rotatably connected to the rotating groove (15), a connecting rod (19) is fixedly connected to the side wall of the rotating block (14), a limit screw (20) is connected to the upper end of the connecting rod (19), and a cap (4) is fixedly connected to the upper end of the limit screw (20), the side wall of the drill shaft (5) is provided with a limiting groove (3), the limiting groove (3) is communicated with the device groove (12), and the side wall of the limiting groove (3) is provided with a partition plate.
4. The core bit for detecting the road surface quality of the highway engineering as claimed in claim 1, wherein the limiting mechanism comprises two limiting rods (18) fixedly connected to the side wall of the drill spindle (5), two limiting holes (17) are formed in the side wall of each limiting rod (18), two threaded holes (6) are formed in the side wall of the drill bit (7), the positions of the two threaded holes (6) correspond to the positions of the two limiting holes (17), locking screws (16) are connected to the two threaded holes (6) in a threaded manner, and the lower ends of the two locking screws (16) are located in the two limiting holes (17).
5. Core bit for road surface quality testing of road engineering according to claim 1, characterized in that the threaded rod (2) has a thread direction opposite to the rotation direction of the connecting shaft (1).
6. Core bit for road surface quality testing of road engineering according to claim 3, characterized in that the cap (4) can be completely hidden inside the retaining groove (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920655480.3U CN210087271U (en) | 2019-05-09 | 2019-05-09 | Core bit for detecting road surface quality of highway engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920655480.3U CN210087271U (en) | 2019-05-09 | 2019-05-09 | Core bit for detecting road surface quality of highway engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210087271U true CN210087271U (en) | 2020-02-18 |
Family
ID=69477672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920655480.3U Active CN210087271U (en) | 2019-05-09 | 2019-05-09 | Core bit for detecting road surface quality of highway engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210087271U (en) |
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2019
- 2019-05-09 CN CN201920655480.3U patent/CN210087271U/en active Active
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