CN218324839U

CN218324839U - Drilling depth measuring device

Info

Publication number: CN218324839U
Application number: CN202222902500.7U
Authority: CN
Inventors: 陆友德; 陶宗晨; 夏媛媛
Original assignee: Wuhu Blueprint Construction Co ltd
Current assignee: Wuhu Blueprint Construction Co ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-01-17
Anticipated expiration: 2032-11-02

Abstract

The utility model relates to a degree of depth measuring device technical field, specific drilling depth measuring device that says so, include: the lower end of the lifter is provided with a drilling elongator probe; the positioning devices are uniformly distributed and used for limiting the lifting position of the drilling elongator probe, and the positioning devices are sleeved on the surface of the drilling elongator probe; through setting up positioner, when the staff need detect drilling depth, the staff only needs to lock the surface at drilling extension appearance probe with external screw thread pipe, then the staff can open the riser, inside the riser drove drilling extension appearance probe and gos deep into the drilling, the in-process of drilling extension appearance probe at the inside lift of drilling, the pulley can contact with the drilling inner wall all the time, make drilling extension appearance probe be in the central point of drilling all the time and put, this can effectively reduce the probability that drilling extension appearance probe collided with the drilling, in order to ensure the intact of drilling extension appearance probe, thereby reach good protection effect.

Description

Drilling depth measuring device

Technical Field

The utility model relates to a degree of depth measuring device technical field, it relates to a drilling depth measuring device very much.

Background

The drilling elongator is present common drilling depth measuring device, the drilling elongator can take notes the continuous variation that takes place with the reference point of drilling bottom between the perpendicular distance, be the effective instrument of accurate measurement observation point continuous deformation, because the probe that the staff drove the drilling elongator through the mode that the cable suspends in midair goes up and down in the drilling and measures, the staff is at the in-process that goes up and down the drilling elongator probe, the cable receives very easily and blows, external force such as atress unbalance swings, the cable just can drive the drilling elongator probe constantly and collide the drilling very much, this probability that has increased the damage of drilling elongator probe.

Therefore, a drilling depth measuring device is proposed to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a following technical scheme realizes above-mentioned purpose, a drilling depth measuring device, include: the lower end of the lifter is provided with a drilling elongator probe; the positioning devices are uniformly distributed, and the positioning devices used for limiting the lifting position of the drilling elongator probe are sleeved on the surface of the drilling elongator probe.

Preferably, the positioning device comprises an external threaded pipe sleeved on the surface of the drilling elongator probe, the surface of the external threaded pipe is hinged with a first connecting rod which is annularly distributed around the central point of the external threaded pipe, one end, far away from the external threaded pipe, of the first connecting rod is rotatably connected with a pulley, the surface of the external threaded pipe is provided with an adjusting mechanism which is in sliding connection with the first connecting rod, through the positioning device, when a worker needs to detect the drilling depth, the worker only needs to lock the external threaded pipe on the surface of the drilling elongator probe, then the worker can open a lifter, the lifter drives the drilling elongator probe to go deep into a drill hole, and in the process that the drilling elongator probe goes up and down inside the drill hole, the pulley can be always in contact with the inner wall of the drill hole, so that the drilling elongator probe is always in the central position of the drill hole, the probability of collision between the drilling elongator probe and the drill hole can be effectively reduced, the drilling elongator probe is ensured, and a good protection effect is achieved.

Preferably, the surface of the external thread pipe is in threaded connection with two locking bolts, one end of each locking bolt, which is far away from the pulley, penetrates through the external thread pipe and is in contact with the drilling elongator probe, and the locking bolts can enable the external thread pipe to be locked on the surface of the drilling elongator probe more stably so as to guarantee the normal operation of the positioning device.

Preferably, the spout has been seted up to the lower extreme of head rod, adjustment mechanism includes threaded connection in the internal thread pipe on external screw thread pipe surface, the upper end of internal thread pipe is rotated and is connected with first connecting ring, the surperficial fixedly connected with of first connecting ring centers on the cyclic annular second connecting rod that distributes of first connecting ring central point, the one end that first connecting ring was kept away from to the second connecting rod runs through the head rod and with spout sliding connection, through setting up adjustment mechanism, the staff can be according to the diameter of drilling towards the rotatory internal thread pipe of corresponding direction, the internal thread pipe passes through first connecting ring, the second connecting rod, the spout drives the head rod rotation, the head rod drives the pulley and is close to or keep away from external screw thread pipe, adjust to with the drilling internal diameter phase-match up to the total length of two pulleys of symmetry, this can make positioner satisfy the drilling of different internal diameters, need not to go to customize the positioner of corresponding specification according to the internal diameter of drilling, in order to reach the effect that enlarges positioner application scope.

Preferably, the both ends that the second connecting rod is on a parallel with the pulley all rotate and are connected with the gyro wheel, gyro wheel sliding connection is in the inside of spout, and the gyro wheel can reduce the frictional force between second connecting rod and the spout for adjust more smoothly.

Preferably, the ball is installed in the one end embedding that the second connecting rod was kept away from to the gyro wheel, the one end that the second connecting rod was kept away from to the ball runs through the gyro wheel and contacts with the spout, and the ball can reduce the frictional force between gyro wheel side and the spout, makes the staff adjust the work more easily.

Preferably, adjustment mechanism still includes fixed ring of fixed connection in external screw thread pipe surface, fixed ring's upper end fixedly connected with spring, the lower extreme of internal thread pipe is rotated and is connected with the second go-between with the spring contact, the spring is in the compressed state all the time, and spring accessible second go-between drives the internal thread pipe and presses the surface at external screw thread pipe, and this can make internal thread pipe and external screw thread pipe laminate more closely to reduce the not hard up probability of internal thread pipe when using.

The utility model has the advantages that:

1. by arranging the positioning device, when a worker needs to detect the drilling depth, the worker only needs to lock the external threaded pipe on the surface of the drilling elongator probe, then the worker can open the lifter, the lifter drives the drilling elongator probe to go deep into a drilled hole, and in the process of lifting the drilling elongator probe inside the drilled hole, the pulley can be always in contact with the inner wall of the drilled hole, so that the drilling elongator probe is always in the central position of the drilled hole, the probability of collision between the drilling elongator probe and the drilled hole can be effectively reduced, the drilling elongator probe is ensured to be intact, and a good protection effect is achieved;

2. through setting up adjustment mechanism, the staff can be according to the rotatory internal thread pipe of the diameter of drilling towards corresponding direction, the internal thread pipe is through first go-between, the second connecting rod, the spout drives the head rod rotation, the head rod drives the pulley and is close to or keeps away from the external thread pipe, adjust to and bore the internal diameter phase-match up to the total length of two pulleys of symmetry, this can make positioner satisfy the drilling of different internal diameters, need not to go the positioner of the corresponding specification of customization according to the internal diameter of drilling, in order to reach the effect that enlarges positioner application scope.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a schematic structural view of the middle positioning device of the present invention;

FIG. 3 is a schematic cross-sectional view of the positioning device of the present invention;

fig. 4 is an exploded view of the middle positioning device of the present invention.

In the figure: 1. a lifter; 2. a borehole elongator probe; 3. a positioning device; 301. an externally threaded tube; 3011. a locking bolt; 302. a first connecting rod; 3021. a chute; 303. a pulley; 304. an adjustment mechanism; 3041. an internally threaded tube; 3042. a first connecting ring; 3043. a second connecting rod; 3044. a roller; 3045. a ball bearing; 3046. a fixing ring; 3047. a spring; 3048. a second connecting ring.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the specific implementation: as shown in fig. 1 to 4, a borehole depth measuring apparatus includes: the device comprises a lifter 1, wherein a drilling elongator probe 2 is arranged at the lower end of the lifter 1; the positioning devices 3 are uniformly distributed, and the positioning devices 3 used for limiting the lifting position of the drilling elongator probe 2 are sleeved on the surface of the drilling elongator probe 2.

As shown in fig. 2, 3 and 4, the positioning device 3 includes an external threaded tube 301 sleeved on the surface of the borehole elongator probe 2, a first connecting rod 302 annularly distributed around the central point of the external threaded tube 301 is hinged on the surface of the external threaded tube 301, a pulley 303 is rotatably connected to one end of the first connecting rod 302 away from the external threaded tube 301, an adjusting mechanism 304 slidably connected to the first connecting rod 302 is installed on the surface of the external threaded tube 301, two locking bolts 3011 are threadedly connected to the surface of the external threaded tube 301, and one end of the locking bolt 3011 away from the pulley 303 penetrates through the external threaded tube 301 and contacts with the borehole elongator probe 2.

As shown in fig. 3 and 4, a sliding groove 3021 is formed at a lower end of the first connecting rod 302, the adjusting mechanism 304 includes an internal threaded tube 3041 which is threadedly connected to a surface of the external threaded tube 301, a first connecting ring 3042 is rotatably connected to an upper end of the internal threaded tube 3041, a second connecting rod 3043 which is annularly distributed around a central point of the first connecting ring 3042 is fixedly connected to a surface of the first connecting ring 3042, one end of the second connecting rod 3043, which is far away from the first connecting ring 3042, penetrates through the first connecting rod 302 and is slidably connected to the sliding groove 3021, both ends of the second connecting rod 3043, which are parallel to the pulley 303, are rotatably connected with rollers 3044, the rollers 3044 are slidably connected to an interior of the sliding groove 3021, one end of the rollers 3044, which is far away from the second connecting rod 3043, penetrates through the rollers 3044 and is in contact with the sliding groove 3021, the adjusting mechanism 304 further includes a fixing ring 3046 which is fixedly connected to a surface of the external threaded tube 301, a spring 3047 is fixedly connected to an upper end of the fixing ring 3046, and a lower end of the internal threaded tube 3041 is in a state where the spring 3048 is always compressed state.

When the utility model is used, when the worker needs to detect the drilling depth, the worker can measure the inner diameter of the drilled hole in advance, and then rotate the internal threaded pipe 3041 in the corresponding direction according to the detected data, the internal threaded pipe 3041 drives the first connecting ring 3042 to rotate correspondingly, because the first connecting rod 302 prevents the first connecting ring 3042 from rotating through the chute 3021 and the second connecting rod 3043, the internal threaded pipe 3041 drives the first connecting ring 3042 to move in the corresponding direction through the rotation, the first connecting ring 3042 drives the second connecting rod 3043 to move in the corresponding direction, the second connecting rod 3043 drives the roller 3044 to move in the corresponding direction, the roller 3044 drives the first connecting rod 302 to move in the corresponding direction through the chute 3021, because the first connecting rod 302 is hinged on the surface of the external threaded pipe 301, the first connecting rod 302 rotates in the corresponding direction under the driving of the roller 3044, the first connecting rod 302 drives the pulley 303 to be close to or far away from the external threaded pipe 301 until the total length of the two symmetrical pulleys 303 is adjusted to be matched with the inner diameter of a drill hole, a worker can sleeve the external threaded pipe 301 on the surface of the drill hole extensometer probe 2, then internally rotate the locking bolt 3011 to enable the locking bolt 3011 to firmly abut against the surface of the drill hole extensometer probe 2, then the worker can open the lifter 1, the lifter 1 drives the drill hole extensometer probe 2 to go deep into the drill hole, and in the process of lifting the drill hole extensometer probe 2 in the drill hole, the pulley 303 can be always contacted with the inner wall of the drill hole, so that the drill hole extensometer probe 2 is always in the center position of the drill hole, and therefore the probability of collision between the drill hole extensometer probe 2 and the drill hole can be effectively reduced, the drill hole extensometer probe 2 is ensured to be intact, and a good protection effect is achieved.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A borehole depth measurement device, comprising:

the device comprises a lifter (1), wherein a drilling elongator probe (2) is installed at the lower end of the lifter (1);

the positioning devices (3) are uniformly distributed, and the positioning devices (3) used for limiting the lifting position of the drilling elongator probe (2) are sleeved on the surface of the drilling elongator probe (2);

wherein, positioner (3) are including the external screw thread pipe (301) of cover locating drilling elongator probe (2) surface, the surface of external screw thread pipe (301) articulates there is first connecting rod (302) around external screw thread pipe (301) central point annular distribution, the one end that external screw thread pipe (301) were kept away from in first connecting rod (302) rotates and is connected with pulley (303), the surface mounting of external screw thread pipe (301) has adjustment mechanism (304) with first connecting rod (302) sliding connection.

2. A borehole depth measuring device according to claim 1, wherein: the surface of the external thread pipe (301) is in threaded connection with two locking bolts (3011), and one end, far away from the pulley (303), of each locking bolt (3011) penetrates through the external thread pipe (301) and is in contact with the drilling elongator probe (2).

3. A borehole depth measuring device according to claim 1, wherein: the lower end of the first connecting rod (302) is provided with a sliding groove (3021), the adjusting mechanism (304) comprises an internal threaded pipe (3041) which is in threaded connection with the surface of the external threaded pipe (301), the upper end of the internal threaded pipe (3041) is rotatably connected with a first connecting ring (3042), the surface of the first connecting ring (3042) is fixedly connected with second connecting rods (3043) which are annularly distributed around the central point of the first connecting ring (3042), and one end, far away from the first connecting ring (3042), of each second connecting rod (3043) penetrates through the first connecting rod (302) and is in sliding connection with the sliding groove (3021).

4. A borehole depth measuring device according to claim 3, wherein: the two ends of the second connecting rod (3043) parallel to the pulley (303) are rotatably connected with rollers (3044), and the rollers (3044) are slidably connected inside the sliding chute (3021).

5. A borehole depth measuring apparatus according to claim 4, wherein: a ball (3045) is embedded in one end of the roller (3044) far away from the second connecting rod (3043), and one end of the ball (3045) far away from the second connecting rod (3043) penetrates through the roller (3044) and is in contact with the sliding groove (3021).

6. A borehole depth measuring device according to claim 3, wherein: the adjusting mechanism (304) further comprises a fixing ring (3046) fixedly connected to the surface of the external threaded pipe (301), the upper end of the fixing ring (3046) is fixedly connected with a spring (3047), the lower end of the internal threaded pipe (3041) is rotatably connected with a second connecting ring (3048) in contact with the spring (3047), and the spring (3047) is in a compressed state all the time.