CN210571458U

CN210571458U - Core drilling device for engineering supervision

Info

Publication number: CN210571458U
Application number: CN201921041146.5U
Authority: CN
Inventors: 刘明和; 王兵亮; 顾天柱
Original assignee: Zhejiang Tongzhou Project Management Co ltd
Current assignee: Zhejiang Tongzhou Project Management Co ltd
Priority date: 2019-07-03
Filing date: 2019-07-03
Publication date: 2020-05-19
Anticipated expiration: 2029-07-03

Abstract

The utility model discloses a bore core device of engineering supervision relates to building detection technology field, and its technical scheme main points are: including the electric drill, install the brill section of thick bamboo on the electric drill output shaft, fix the mount at the electric drill top, still include the pin, be equipped with the spout on the mount, the length direction of spout is the same with the length direction of electric drill, the spout runs through two tip that the mount is in spout length direction, pin sliding connection is in the spout, be equipped with the locking subassembly on the mount, the locking subassembly is used for fixing the pin on the mount. Firstly, estimating the thickness of a wall body to be sampled, then moving the stop lever to enable the horizontal distance from one end, close to the drill cylinder, of the stop lever to one end, far away from the electric drill, of the drill cylinder to be the same as the estimated thickness, and then fixing the stop lever through a locking assembly; in the core drilling process, the electric drill can be stopped when the stop lever contacts the wall body, so that the moving distance of the drill cylinder is more accurate.

Description

Core drilling device for engineering supervision

Technical Field

The utility model relates to a building detection technology field, in particular to core drilling device of engineering supervision.

Background

The on-site concrete structure strength measurement technology is divided into a non-damage method and a partial damage method according to the influence degree of the on-site concrete structure strength measurement technology on the structure. The non-damage method mainly comprises a rebound method, an ultrasonic rebound synthesis method, a ray method, a maturity method and the like, and the partial damage method is represented by core drilling sampling. When the strength of concrete estimated by the non-destructive method is suspected, it is necessary to detect the strength of concrete by using a core sampling method.

At present, Chinese patent with publication number CN208705081U discloses a portable building concrete strength on-site core drilling detection device, which comprises an electric drill, a fixing frame, a measuring scale, a drill cylinder, a buffer tank and a fixing plate, wherein the fixing frame is arranged at the front side of the top end of the electric drill, and the fixing frame is connected with the electric drill through the fixing plate; the measuring scale is arranged inside the fixing frame and is connected with the fixing frame in a sliding mode; the drill barrel is arranged at the front end of the electric drill, the buffer groove is located on the outer wall of the drill barrel, and the buffer groove and the drill barrel are of an integrated structure.

The measuring tape in the above-mentioned patent need contact the wall when using, goes deep into the wall body along with boring a section of thick bamboo, and the measuring tape is pushed the opposite side of mount by the wall, but because bore a section of thick bamboo and can produce violent shake when drilling on the wall body, the measuring tape can bump with the wall, leads to the measuring tape extra removal to appear for the removal distance of boring a section of thick bamboo that the reaction of measuring tape comes out appears the error, causes operating personnel closing means in advance, influences the result of follow-up detection.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a bore core device of engineering supervision, it is through setting up the pin to reach the purpose of controlling drilling distance more accurately.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a bore core device of engineering supervision, includes the electric drill, installs at the epaxial bore section of thick bamboo of electric drill output, fixes the mount at the electric drill top, still includes the pin, be equipped with the spout on the mount, the length direction of spout is the same with the length direction of electric drill, the spout runs through two tip that the mount is in spout length direction, pin sliding connection is in the spout, be equipped with the locking subassembly on the mount, the locking subassembly is used for fixing the pin on the mount.

According to the technical scheme, the thickness of the wall body to be sampled is estimated, the stop lever is moved, the horizontal distance from one end, close to the drill cylinder, of the stop lever to one end, far away from the electric drill, of the drill cylinder is the same as the estimated thickness, and then the stop lever is fixed through the locking assembly; in the core drilling process, the electric drill can be stopped when the stop lever contacts the wall body, so that the moving distance of the drill cylinder is more accurate.

Preferably, the locking assembly comprises a bolt, a nut and a supporting block, a through groove extending along the length direction of the blocking rod is formed in the blocking rod, the supporting block is connected to the fixing frame and located on one side of the blocking rod, a through hole is formed in the side wall, facing the through groove, of the supporting block, one end of the bolt penetrates through the through hole and the through groove in sequence, the nut is in threaded connection with the bolt, and the nut is located on one side, away from the supporting block, of the blocking rod.

Through the technical scheme, when the nut on the bolt is not screwed down, the stop lever can be moved randomly, when the nut is screwed down and the stop lever is abutted to the abutting block, the stop lever is not easy to move again due to the large friction force between the abutting block and the stop lever, and the stop lever is fixedly connected with the abutting block.

Preferably, there are two locking assemblies, and the two locking assemblies are respectively located on two ends of the fixing frame in the length direction of the sliding chute.

Through above-mentioned technical scheme, increase the whole area of contact of pin and dog, stability when improving fixed pin.

Preferably, the end part, close to the electric drill, of the stop lever is provided with a baffle, the baffle is perpendicular to the stop lever, and the side wall of the middle part of the baffle is connected to the stop lever.

Through the technical scheme, the contact area of the stop lever when the stop lever touches the wall is increased, and the collision force of the stop lever due to collision is reduced.

Preferably, both ends of the baffle are provided with reinforcing ribs connected with the stop lever.

Through above-mentioned technical scheme, the joint strength between reinforcing pin and the baffle prolongs the life of pin and pin.

Preferably, a buffer cushion is arranged on the end face of one end of the baffle, which is far away from the stop lever.

Through above-mentioned technical scheme, further slow down the collision that takes place between wall body and the baffle, further prolong the life of baffle.

Preferably, the stop lever is provided with scale marks along the length direction of the stop lever.

Through the technical scheme, the position between the stop lever and the drill cylinder can be determined by directly reading the reading on the stop lever, so that the stop lever is more convenient to adjust.

Preferably, the fixing frame is connected to the electric drill through bolts.

Through above-mentioned technical scheme, make things convenient for the dismouting of mount, the one hand is the change of being convenient for when the mount is impaired, and on the other hand can reduce the volume of electric drill, convenient storage.

To sum up, the utility model discloses the beneficial effect who contrasts in prior art does:

1. by arranging the stop lever and the locking assembly, the relative horizontal distance between the stop lever and the drilling barrel can be adjusted, so that the distance of the drilling barrel drilling into a wall body is controlled;

2. through setting up the baffle, area of contact when reinforcing and wall body contact reduces the wall body impact that receives, prolongs the life of pin, baffle.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

fig. 2 is an exploded view of a coupling structure between a stopper rod and a fixing bracket according to an embodiment.

Reference numerals: 1. an electric drill; 2. drilling a barrel; 3. a fixed mount; 31. a chute; 4. a stop lever; 41. a through groove; 5. a locking assembly; 51. a bolt; 52. a nut; 53. a resisting block; 531. a through hole; 6. a baffle plate; 7. reinforcing ribs; 8. a cushion pad.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides a bore core device that engineering was managed, as shown in fig. 1, including electric drill 1, install the brill section of thick bamboo 2 on 1 output shaft of electric drill, fix the mount 3 at 1 top of electric drill through bolt 51, be equipped with spout 31 on the mount 3, the length direction of spout 31 is the same with the length direction of electric drill 1, and spout 31 runs through mount 3 and is in two tip on the spout 31 length direction, sliding connection has pin 4 in the spout 31, be equipped with locking Assembly 5 on the both ends of mount 3 respectively, locking Assembly 5 is used for fixing pin 4 on mount 3.

Referring to fig. 1 and 2, a baffle 6 is arranged at the end part of the stop lever 4 close to the electric drill 1, the baffle 6 is perpendicular to the stop lever 4, the stop lever 4 is connected to the side wall of the middle part of the baffle 6, a scale mark and a through groove 41 are arranged on the stop lever 4 along the length direction of the stop lever 4, the scale mark and the through groove 41 are arranged in parallel, the reading on the scale mark is gradually increased from the end of the stop lever 4 far away from the baffle 6 to the end of the stop lever 4 close to the baffle 6, a pointer pointing to the scale mark is arranged on the outer side wall of the fixing frame 3, and the reading pointed by the pointer is the distance in the horizontal direction from the current baffle 6 to the end of the drill. Baffle 6 is equipped with two strengthening ribs 7 that are connected with pin 4 towards one end terminal surface of pin 4, and two strengthening ribs 7 are close to 6 length direction's of baffle both ends respectively, and baffle 6 deviates from one end terminal surface of pin 4 and is equipped with blotter 8.

Referring to fig. 2, the locking assemblies 5 include bolts 51, nuts 52, and abutting blocks 53, the abutting blocks 53 of the two locking assemblies 5 are respectively connected to two ends of the fixing frame 3, a through hole 531 is formed on a side wall of the abutting block 53 facing the through groove 41, one end of the bolt 51 with a thread sequentially passes through the through hole 531 and the through groove 41 and is in threaded connection with the nut 52, and the nut 52 is screwed to one side of the corresponding abutting block 53, so that the movement of the stop lever 4 in the sliding groove 31 can be limited.

In the actual operation process, the thickness of the wall body to be sampled is estimated firstly, the nuts 52 in the two locking assemblies 5 are unscrewed, the stop lever 4 can move in the sliding groove 31, the pointer on the abutting block 53 points to the corresponding reading on the scale mark of the stop lever 4 according to the estimated thickness, then the two nuts 52 are screwed, the stop lever 4 is fixed on the fixing frame 3, the electric drill 1 can be started and the core drilling work is started, after the baffle 6 contacts the wall surface, the electric drill 1 is stopped, and the length of the taken wall body sample is close to the estimated thickness. The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.

Claims

1. The utility model provides a bore core device of engineering supervision, includes electric drill (1), installs drill barrel (2) on electric drill (1) output shaft, fixes mount (3) at electric drill (1) top, characterized by: still include pin (4), be equipped with spout (31) on mount (3), the length direction of spout (31) is the same with the length direction of electric drill (1), spout (31) run through mount (3) and are in spout (31) two tip on the length direction, pin (4) sliding connection is in spout (31), be equipped with locking Assembly (5) on mount (3), locking Assembly (5) are used for fixing pin (4) on mount (3).

2. An engineering proctoring core drilling apparatus as defined in claim 1, wherein: locking Assembly (5) are including bolt (51), nut (52), support piece (53), be equipped with on pin (4) along the logical groove (41) that pin (4) length direction extends, support piece (53) and connect on mount (3), support piece (53) and be in one side of pin (4), support piece (53) and be equipped with through-hole (531) on the lateral wall towards logical groove (41), through-hole (531) and logical groove (41) are passed in proper order to the one end of bolt (51), nut (52) threaded connection is on bolt (51) and nut (52) are in pin (4) and keep away from support piece (53) one side.

3. An engineering proctoring core drilling apparatus as defined in claim 2, wherein: the number of the locking assemblies (5) is two, and the two locking assemblies (5) are respectively positioned at two ends of the fixed frame (3) in the length direction of the sliding groove (31).

4. An engineering proctoring core drilling apparatus as defined in claim 1, wherein: the electric drill is characterized in that a baffle (6) is arranged at the end part, close to the electric drill (1), of the stop lever (4), the baffle (6) is perpendicular to the stop lever (4), and the middle side wall of the baffle (6) is connected to the stop lever (4).

5. An engineering proctoring core drilling apparatus as defined in claim 4, wherein: and reinforcing ribs (7) connected with the stop lever (4) are arranged at two ends of the baffle (6).

6. An engineering proctoring core drilling apparatus as defined in claim 4, wherein: and a buffer cushion (8) is arranged on the end face of one end of the baffle (6) departing from the stop lever (4).

7. An engineering proctoring core drilling apparatus as defined in claim 1, wherein: and scale marks are arranged on the stop lever (4) along the length direction of the stop lever (4).

8. An engineering proctoring core drilling apparatus as defined in claim 1, wherein: the fixed frame (3) is connected to the electric drill (1) through a bolt (51).