CN217560617U

CN217560617U - Depth detection device and rotary drilling rig

Info

Publication number: CN217560617U
Application number: CN202221763651.2U
Authority: CN
Inventors: 安聪锋; 张建辉
Original assignee: Beijing Sany Intelligent Technology Co Ltd
Current assignee: Beijing Sany Intelligent Technology Co Ltd
Priority date: 2022-07-06
Filing date: 2022-07-06
Publication date: 2022-10-11
Anticipated expiration: 2032-07-06

Abstract

The utility model relates to a dig the relevant technical field of rig soon, its purpose provides a degree of depth detection device and dig the rig soon, and this kind of degree of depth detection device is sturdy and durable, measurement accuracy is high, moreover the structure compacter, the spare part that contains is less, manufacturing cost is lower. The depth detection device comprises a sensing piece and a detection element, wherein the sensing piece is fixedly arranged on one end surface of the roller along the circumferential direction; the detection element is arranged on one side of the end face of the roller and used for detecting the induction piece. The utility model provides a current degree of depth detection device damage easily, measurement accuracy is lower, the higher problem of manufacturing cost.

Description

Depth detection device and rotary drilling rig

Technical Field

The utility model relates to a dig the relevant technical field of rig soon, concretely relates to degree of depth detection device and dig rig soon.

Background

The rotary drilling rig is a piling machine widely used in pile foundation industries such as industrial and civil construction, ports, high speed and the like, and the working principle of the rotary drilling rig is that a drill rod is driven by parts such as a chassis, a mast, a power head and the like to drive a drill bit to cut and take soil, then the drill bit is lifted out of a hole, and the operation is repeated until the hole is formed. In the construction process of the rotary drilling rig, the hole forming depth needs to be monitored at any time to ensure that the hole depth meets the construction requirement, and therefore, the rotary drilling rig is generally provided with a depth detection device.

Current degree of depth detection device includes hoist frame, lock nut and countersunk screw, and the sensor is installed through lock nut at the top of hoist frame, and one side of hoist frame is provided with the cylinder, installs the fluted disc through countersunk screw on the flange terminal surface of cylinder, and open outside the ring surface of fluted disc has the mounting hole, and evenly distributed has the trapezoidal through-hole of undercutting on the ring position placed in the middle of the fluted disc, and is provided with the response tooth between two trapezoidal through-holes, supplies the sensor to detect. However, in the depth detection device, the fluted disc is detachably connected with the winch rack through the screws and the nuts, and because the working environment of the roller is extremely severe, the loosening of the screws is easily caused by factors such as the rotation, the vibration and the alternating load of the roller, the distance between the fluted disc and the sensor is changed, the measurement is inaccurate, and even the sensor is damaged; moreover, the manner of forming the trapezoidal holes on the fluted disc to obtain the sensing teeth can reduce the rigidity of the fluted disc, so that the fluted disc is easy to damage, and the set number of the sensing teeth can be limited, so that the accuracy of depth measurement is not high; in addition, the fluted disc has a complex structure and higher processing difficulty, so that the manufacturing cost is higher.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the easy defect that damages of prior art's degree of depth detection device, measurement accuracy is lower, the manufacturing cost is higher to provide a sturdy and durable, measurement accuracy is high, the manufacturing cost is lower degree of depth detection device and dig the rig soon.

In order to solve the above problem, the utility model provides a depth detection device, include:

the sensing piece is fixedly arranged on one side end face of the roller along the circumferential direction;

and the detection element is arranged on one side of the end surface of the roller and is used for detecting the induction piece.

As a preferable technical solution of the depth detection device, the sensing member is integrally formed with the end surface or detachably connected thereto.

As the preferred technical scheme of the depth detection device, the sensing piece is a boss.

As a preferable technical solution of the depth detection device, the plurality of sensing members are arranged at regular intervals in the circumferential direction of the end surface.

As a preferable technical solution of the depth detection device, the detection element is provided on a frame body located on the end surface side.

As a preferable technical solution of the depth detection device, a cover is provided outside the detection element.

As a preferred technical scheme of the depth detection device, the detection element is arranged on the frame body through a threaded fastening structure; the thread fastening structure comprises a threaded hole and a nut, the threaded hole is formed in the frame body, a stud on the detection element is matched with the threaded hole, and the nut is matched with the stud; the nut is arranged on one side, far away from the roller, of the stud.

Preferably, the depth detecting device is a proximity switch, an electro-optical switch, a mechanical dial, or a laser sensor.

As a preferable technical solution of the depth detection device, the detection elements are two proximity switches.

A rotary drilling rig comprises the depth detection device.

The utility model has the advantages of it is following:

(1) The utility model provides a degree of depth detection device, including the response piece, the response piece is fixed to be set up on the terminal surface of cylinder, and the response piece rotates along with the cylinder, can not produce not hard up problem, can keep unchangeable with detecting element's distance, can show promotion measurement accuracy, satisfies the construction requirement, moreover the utility model discloses a spare part that degree of depth detection device contains is less, and the part reliability is higher, not fragile, long service life.

(2) The utility model provides a degree of depth detection device, the preferred, response piece and terminal surface integrated into one piece, when the cylinder terminal surface is made in processing, the shaping goes out the response piece together, reduces manufacturing procedure, needn't make alone the shaping and reassemble, has simplified the product manufacturing step, reduces manufacturing cost, moreover because response piece and terminal surface integrated into one piece can not influence the structural strength of cylinder terminal surface, makes the cylinder sturdy and durable, can guarantee its life.

(3) The utility model provides a degree of depth detection device because the response piece is fixed to be set up on the cylinder terminal surface, can arrange the response piece according to the diameter size of cylinder terminal surface intensively, the quantity that sets up of response piece is unrestricted to improve and detect the precision.

(4) The utility model provides a degree of depth detection device, detecting element pass through the screw-thread tightening structure and set up on the support body, can improve the firmness of detecting element installation, and the nut in the screw-thread tightening structure sets up in the double-screw bolt one side of keeping away from the cylinder moreover, makes the distance between cylinder and the support body can dwindle as far as possible to make the structure compacter, practice thrift and set up the space.

(5) The utility model provides a rotary drilling rig, include the utility model discloses a depth detection device does not influence the structural strength of cylinder, makes its sturdy and durable, guarantees life, and degree of depth measurement accuracy is high moreover, and the processing degree of difficulty is less, and manufacturing cost is lower.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 shows a schematic diagram of the depth detection device of the present invention.

Description of reference numerals:

1. a sensing member; 2. a drum; 3. a frame body; 4. a cover body; 5. a cable.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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 description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Fig. 1 shows a preferred embodiment of the depth detection device of the present invention. The depth detection device is suitable for construction sites needing depth detection on engineering machinery such as rotary drilling rigs and the like, and is high in structural strength, high in detection accuracy, compact in structure and low in manufacturing cost.

The depth detection device comprises a sensing piece 1 and a detection element.

Wherein, the induction member 1 is fixedly arranged on one side end surface of the roller 2, in the embodiment, the induction member 1 is provided with a plurality of induction members 1, and the plurality of induction members 1 are fixedly arranged along the circumferential direction of the end surface. The roller 2 is a winch roller, a rope is wound on the winch roller, the roller 2 is of a structure similar to a cylinder, and the end face of the roller is a circular face. The end face of the drum 2 facing the frame body 3 is fixedly provided with the sensing part 1, preferably, the sensing part 1 and the end face are integrally formed, in this embodiment, the sensing part 1 is designed as a boss, the boss protrudes from the end face of the drum 2 in the direction of the frame body 3, and the sensing parts 1 are uniformly arranged at intervals along the circumferential direction of the end face. The quantity of inductor 1 can set up according to the circumference size of 2 terminal surfaces of cylinder and the degree of depth measuring precision demand, the utility model discloses do not do the restriction to this.

Because response 1 is fixed with cylinder 2, in the course of the work, response 1 can rotate along with cylinder 2, does not receive factors such as rotation, vibrations, alternating load in the work progress influence, can not take place the displacement between the two to guarantee the accuracy that detects. In this embodiment, the frame 3 is a mast frame, and the frame 3 is disposed at one side of the drum 2.

The detection element is arranged on one side of the end face of the roller 2, and specifically, the detection element is arranged on the frame body 3 on one side of the end face. The detecting element is used for detecting the sensing piece 1, the setting position of the detecting element corresponds to the sensing piece 1, namely, the detecting element has the detecting range, and the sensing piece 1 can enter the detecting range and is detected by the detecting element. During construction, the sensing member 1 rotates along with the roller 2, and each time the sensing member 1 passes through the detection element and enters the detection range of the detection element, the detection element can detect the sensing member 1 and obtain a counting signal.

In this embodiment, the exterior of the detection element is provided with a cover 4, the cover 4 is used for protecting the detection element, the cover 4 is detachably connected with the frame body 3, and when the detection element needs to be repaired or replaced, the cover 4 is only required to be detached. In this embodiment, the cover 4 is a U-shaped cover. The detection element is also connected with a cable 5, and a through hole is formed in the cover body 4, and the cable 5 extends out of the through hole, so that wiring and wiring are convenient.

Furthermore, two detection elements are arranged and used for detecting when the roller rotates forwards and backwards respectively, so that the detection range is wider, and the detection depth precision is higher. In the present embodiment, the detection element is a proximity switch.

Furthermore, the detection element is arranged on the frame body 3 through a thread fastening structure, the thread fastening structure comprises a threaded hole and a nut, the threaded hole is formed in the frame body 3, the axial direction of the threaded hole is perpendicular to the plane where the frame body 3 is located, a stud is arranged on the detection element, the stud is matched with the threaded hole, and the nut is matched with the stud. In order to conveniently screw the nut, the nut is arranged on one side, far away from the roller 1, of the stud, and the nut is arranged on one side, far away from the roller 1, of the stud, so that the distance between the roller 2 and the frame body 3 can be reduced as much as possible, and the whole structure is more compact, and the arrangement space is saved.

Of course, the depth detection device of this embodiment further includes a control unit, a signal input end of the control unit is electrically connected to a signal output end of the detection element, and the control unit can analyze and calculate the rotation angle of the drum 2 according to the counting signal obtained by the detection unit, and further calculate the length of the rope going out or going in the drum 2, thereby obtaining the depth value.

To facilitate understanding of the depth detection device of the present embodiment, the following description is provided with reference to the drawings of the specification:

in the construction process, the roller 2 rotates, the rope on the roller goes out or receives the rope along with the roller, the sensing pieces 1 and the roller 2 synchronously rotate, each time one sensing piece 1 passes through the detection element and enters the detection range of the detection element, the detection element obtains a counting signal and sends the signal to the control unit, and then the control unit can analyze and calculate the rotation angle of the roller 2 according to the obtained counting signal, further calculate the length of the rope going out or receiving on the roller 2, and accordingly obtain the required depth value.

The depth detection device of the embodiment has the advantages that the induction piece is fixed with the end face of the roller, the distance between the induction piece and the detection element is not influenced by external factors and cannot be changed, the depth can be accurately measured, the structural strength is high, the roller is firm and durable, and the manufacturing cost is low.

The embodiment also provides a rotary drilling rig, which comprises the depth detection device of the embodiment, and has the advantages of fewer parts, simplified structure, high depth measurement accuracy, high reliability, small processing difficulty, low manufacturing cost, firmness, durability and long service life.

In other embodiments, the detecting element can also be other types of detecting elements such as a photoelectric switch, a mechanical dial, a laser sensor, etc., as long as the purpose of the present invention can be achieved.

In other embodiments, in order to adjust the precision of the detection depth according to different application occasions, the induction parts can be detachably connected with the end face of the roller, the number and the interval of the induction parts are selected according to the requirement of the detection precision, the use flexibility is improved, and the use range is expanded.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. A depth detection device, comprising:

the induction piece (1) is fixedly arranged on one side end face of the roller (2) along the circumferential direction;

and the detection element is arranged on one side of the end surface of the roller (2) and is used for detecting the induction piece (1).

2. The depth detection device of claim 1, wherein the sensing member (1) is integrally formed with or detachably connected to the end surface.

3. The depth detection device according to claim 1, wherein the sensing member (1) is a boss.

4. The depth detection device according to claim 1, wherein a plurality of the sensing members (1) are arranged at regular intervals in a circumferential direction of the end surface.

5. The depth detection device according to claim 1, wherein the detection element is provided on a frame body (3) on the side of the end face.

6. A depth detection device according to claim 5, wherein a cover (4) is provided on the exterior of the detection element.

7. The depth detection device according to claim 5, wherein the detection element is provided on the frame body (3) by a screw fastening structure; the thread fastening structure comprises a threaded hole and a nut, the threaded hole is formed in the frame body (3), a stud on the detection element is matched with the threaded hole, and the nut is matched with the stud; the nut is arranged at one end of the stud, which is far away from the roller (2).

8. The depth detection device of any one of claims 1 to 7, wherein the detection element is a proximity switch, or an electro-optical switch, or a mechanical dial, or a laser sensor.

9. The depth detection device of claim 8, wherein the detection element is two proximity switches.

10. A rotary drilling rig comprising the depth detection device of any one of claims 1-9.