CN224093341U

CN224093341U - A coal mine surveying and positioning instrument

Info

Publication number: CN224093341U
Application number: CN202521135206.5U
Authority: CN
Inventors: 张俊德; 刘小刚
Original assignee: Inner Mongolia Tongsheng Selen Coal Development Co ltd
Current assignee: Inner Mongolia Tongsheng Selen Coal Development Co ltd
Priority date: 2025-06-05
Filing date: 2025-06-05
Publication date: 2026-04-07
Anticipated expiration: 2035-06-05

Abstract

The utility model provides a coal mine mapping and positioning instrument, which relates to the technical field of coal mine mapping and positioning instruments and comprises a drill bit, wherein a connector is fixedly arranged at the top end of the drill bit, a sampling box is inserted into the side edge of the connector, a lifting ring which is arranged at the same diameter as the top end of the drill bit is sleeved on the surface of the connector, a sealing cover for covering a box opening at the side edge of the sampling box is fixedly arranged on the inner side edge of the upper surface of the lifting ring, the sealing cover can be used for preventing soil drilled by the drill bit from entering the sampling box, during sampling, the lifting ring can be lifted under the connection effect of a connecting plate by means of extension of two electric telescopic rods, the soil accumulated near the connector is pushed upwards and removed by lifting ring lifting, no soil accumulation at the side surface of the connector is ensured, and the sampling box is ensured to extend out of the connector smoothly.

Description

Colliery survey and drawing locater

Technical Field

The utility model relates to the technical field of coal mine mapping locators, in particular to a coal mine mapping locater.

Background

The utility model provides a colliery survey and drawing locator is the equipment that is used for colliery underground measurement and location, mainly be used for confirming the accurate overall arrangement in underground personnel, the position of equipment and tunnel, for example, a colliery survey and drawing locator, the publication number is CN221037418U, put through small-size motor and rotation motor and power earlier when using, small-size motor drives the connecting rod and rotates, the drill bit rotates along with it, afterwards, promote small-size motor through hydraulic push rod and reciprocate and can bore the hole to ground, reach sufficient degree of depth, when needing the connecting rod to rise, can control the rotation of one of them rotation motor through the control cabinet and drive the rotation of fixed axle, the fixed silk of fixed axle surface can scatter and roll up, loosen spacing to the soil box, and then can get into the soil box inside because soil in this soil box of resistance when the drill bit upwards moves and accomplish the collection, utilize the rotation motor to roll up the fixed silk again after the completion, can be with this soil box card again into the collection box inside.

However, during drilling, as the drill bit goes deeper, the surrounding soil is squeezed and disturbed. These soils can produce certain lateral pressure to the soil box, under high pressure condition, the soil can block at the swing joint department of soil box, leads to the unable normal swing of soil box to open, and then can influence the collection of this degree of depth soil sample.

Disclosure of utility model

The utility model aims to solve the problems in the prior art and provides a coal mine mapping and positioning instrument.

In order to achieve the purpose, the coal mine mapping and positioning instrument comprises a drill bit, wherein a connector is fixedly arranged at the top end of the drill bit, a sampling box is inserted into the side edge of the connector, a lifting ring which is arranged at the same diameter as the top end of the drill bit is sleeved on the surface of the connector, a sealing cover which is used for covering the box opening of the side edge of the sampling box is fixedly arranged on the inner side edge of the upper surface of the lifting ring, two symmetrically arranged electric telescopic rods are embedded in the top end of the connector, the telescopic ends of the electric telescopic rods face upwards and are fixedly provided with connecting plates, the connecting plates are in sliding connection with the side edges of the connector, and the bottom edges of the connecting plates are fixedly connected with the inner side edges of the upper surface of the lifting ring.

Preferably, the conical surface of the drill bit is provided with a plurality of inclined grooves along the direction of the generatrix, the inclined grooves extend to the top end of the drill bit, and the side edges of the lifting ring are provided with notches corresponding to the inclined grooves.

Preferably, the lifting ring top end is rotationally connected with a swivel coaxially arranged with the connector, a notch is also formed in the position, corresponding to any chute, of the outer side edge of the swivel, and the inner side edge of the swivel is in clearance fit with the surface of the connector.

Preferably, the center of the top end of the connector is rotationally connected with a rotating arm, the rotating arm is in sliding connection with the side surface of the connector and is inserted into the inner side edge of the rotating ring, and the bottom edge of the rotating arm is in sliding connection with the upper surface of the lifting ring.

Preferably, a notch inserted with the rotating arm is formed in the inner side edge of the upper surface of the lifting ring, and the inner side edge of the rotating ring extends inwards to form a cover plate for covering the notch.

Preferably, the connector is internally embedded and fixedly provided with two electric push rods which are horizontally arranged, and the telescopic ends of the two electric push rods are respectively connected with the inner top surface and the inner bottom surface of the sampling box opening.

Preferably, the sampling box bottom is located box mouth one side and rotates and be connected with the lead screw of vertical setting, threaded connection has the cutting knife on the lead screw, the cutting knife goes up and down along sampling box mouth direction and cutting knife and sampling box mouth opposite side grafting.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. According to the utility model, the sealing cover is used for preventing the soil drilled by the drill bit from entering the sampling box, when sampling is performed, the lifting ring can be lifted under the connection action of the connecting plates by using the extension of the two electric telescopic rods, the soil accumulated near the connector is pushed upwards and removed by using the lifting ring to lift, the side surface of the connector is ensured to be free from soil accumulation, and the sampling box is ensured to extend out of the connector smoothly.

2. According to the utility model, after the box opening of the sampling box is inserted into the inner wall of the hole, the cutting knife can be lifted by rotating the screw rod, so that the soil sample in the sampling box can be cut and separated, and the sample can be conveniently brought into the connector for collection and storage when the sampling box is reset.

Drawings

Fig. 1 is a schematic diagram of a three-dimensional structure of a coal mine mapping and positioning instrument according to the present utility model;

FIG. 2 is a schematic side view of the coal mine mapping and positioning instrument of FIG. 1;

FIG. 3 is a schematic diagram of a side sectional structure of the coal mine mapping and positioning instrument of FIG. 1;

fig. 4 is a schematic side sectional view of the coal mine mapping and positioning instrument of fig. 2 according to the present utility model.

The legend is 1, a drill bit, 2, a chute, 3, a connector, 4, a sealing cover, 5, a swivel, 6, a lifting ring, 7, a connecting plate, 8, a rotating arm, 9, a sampling box, 10, an electric push rod, 11, a cutting knife, 12, a screw rod, 13, a notch, 14, a shielding plate, 15, a notch, 16 and an electric telescopic rod.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

As shown in figures 1-4, the coal mine mapping and positioning instrument comprises a drill bit 1, wherein the drill bit 1 is utilized to passively rotate to realize drilling into the ground, a connector 3 is fixedly arranged at the top end of the drill bit 1, the outer side edge of the connector 3 is in clearance fit with the edge of the top edge of the drill bit 1, a gap is formed between the outer side edge of the connector 3 and facilitates the ascending of soil drilled by the drill bit 1, a sampling box 9 is inserted at the side edge of the connector 3, a lifting ring 6 which is arranged with the same diameter as the top end of the drill bit 1 is sleeved on the surface of the connector 3, the lifting ring 6 is utilized to ascend on the surface of the connector 3, the soil collected around the connector 3 can be lifted, namely, the soil around the connector 3 is emptied, the sampling box 9 is conveniently slid and stretched out of the connector 3, a sealing cover 4 for covering the box opening of the side edge of the sampling box 9 is fixedly arranged on the inner side edge of the upper surface of the lifting ring 6, the soil can be prevented from entering the sampling box 9 by utilizing the sealing cover 4, two symmetrically arranged electric telescopic rods 16 are embedded at the top end of the connector 3, a connecting plate 7 is fixedly arranged at the side edge of the connector 3, the connecting plate 7 is slidingly connected with the side edge of the connector 3, the connecting plate 7 is fixedly connected with the inner side edge of the connector 3, and the inner side edge of the connector 6 is fixedly connected with the inner side edge of the lifting ring 6 by the lifting ring 6, and the connecting plate 6 under the effect of the extending and stretching of the connecting plate 6.

In order to ensure that broken stone is cleaned, a plurality of inclined grooves 2 are formed in the conical surface of the drill bit 1 along the direction of a bus, the inclined grooves 2 extend to the top end of the drill bit 1, notches 15 corresponding to the inclined grooves 2 are formed in the side edges of the lifting ring 6, a rotating ring 5 coaxially arranged with the connector 3 is rotationally connected to the top end of the lifting ring 6, the notches 15 are formed in the outer side edges of the rotating ring 5 corresponding to any inclined groove 2, the inner side edges of the rotating ring 5 are in clearance fit with the surface of the connector 3, the soil drilled by the drill bit 1 is upwards transported to the upper side of the drill bit 1 through the inclined grooves 2 and the notches 15, and when the lifting ring 6 ascends to clean the soil around the connector 3, the notches 15 on the surface of the lifting ring 6 are staggered with the notches 15 on the surface of the lifting ring 6 through rotation of the rotating ring 5, namely, the top end of the drill bit 1 is completely sealed, and therefore when the lifting ring 6 drives the rotating ring 5 to ascend synchronously, the soil around the connector 3 can be completely removed.

When the lifting device is used, the rotating arm 8 is driven to rotate in a mode of embedding a motor into the top end of the connector 3, the rotating arm 8 is in sliding connection with the side face of the connector 3 and is spliced with the inner side edge of the rotating ring 5, as shown in fig. 4, when the rotating arm 8 revolves around the central shaft of the connector 3, the rotating ring 5 is driven to synchronously rotate under the splicing effect, whether the notch 15 on the rotating ring 5 and the notch 15 on the lifting ring 6 are aligned or not can be controlled, the bottom edge of the rotating arm 8 is in sliding connection with the upper surface of the lifting ring 6, the notch 13 spliced with the rotating arm 8 is formed in the inner side edge of the upper surface of the lifting ring 6, when the notch 15 on the surface of the rotating ring 5 is required to be staggered with the notch 15 on the surface of the lifting ring 6, the inner side of the rotating arm 8 is driven to synchronously rotate and is staggered with the notch 13, and therefore when the rotating arm 8 rotates above the notch 13, the lifting ring 6 drives the rotating ring 5 to lift, the lifting ring 6 can be smoothly driven to lift along the rotating ring 8 through the rotating arm 8.

The inside embedded fixed mounting of connector 3 has the electric putter 10 that two levels set up, two electric putter 10 flexible ends link to each other with interior top surface and the interior bottom surface of sampling box 9 box mouth respectively, utilize electric putter 10 extension can realize that sampling box 9 stretches out connector 3 and inserts the hole inner wall that drill bit 1 bored, sampling box 9 box bottom is located box mouth one side and rotates and be connected with the lead screw 12 of vertical setting, threaded connection has cutting knife 11 on the lead screw 12, cutting knife 11 goes up and down along sampling box 9 box mouth direction and cutting knife 11 and sampling box 9 box mouth opposite side grafting, can select another motor at sampling box 9 internally mounted and be used for driving lead screw 12 rotation in this scheme, utilize cutting knife 11 and the threaded connection of lead screw 12 and with the grafting of sampling box 9 box mouth one side, can be after the sampling box 9 box mouth inserts the hole inner wall, utilize the lead screw 12 rotation to realize that cutting knife 11 goes up and down can realize the soil sample cutting separation in the sampling box 9, conveniently bring into the connector 3 in the sample and collect and store when sampling box 9 resets.

When the drill bit 1 is used, the drill bit in the coal mine mapping locator with the publication number of CN221037418U is replaced, namely, the connector 3 at the top end of the drill bit 1 in the scheme is connected with the bottom end of the connecting rod in the coal mine mapping locator with the publication number of CN221037418U, the connecting rod drives the connector 3 and the drill bit 1 to rotate, the drill bit 1 drills into the ground, the crushed soil in the drilling process is transported to the upper part of the drill bit 1 through the chute 2 and the notch 15, after the drill bit 1 reaches the sampling depth, under the connecting action of the connecting plate 7, the electric telescopic rod 16 stretches to push the lifting ring 6 and the swivel 5 to lift and clean the soil on the periphery of the connector 3, after the cleaning is finished, the electric push rod 10 stretches to enable the sampling box 9 to stretch out of the connector 3 and be inserted into the inner wall of a hole formed by drilling of the drill bit 1, after the box opening of the sampling box 9 is inserted into the inner wall of the hole, the cutting knife 11 is lifted by the rotation of the screw rod 12, the soil sample in the sampling box 9 can be cut and separated, and the sample can be conveniently brought into the connector 3 for collection and storage when the sampling box 9 resets.

The wiring diagrams of the electric putter 10, the electric telescopic rod 16 and the motor in the present utility model are common knowledge in the art, and the working principle thereof is a known technology, and the model thereof is selected to be an appropriate model according to actual use, so that the control manner and wiring arrangement of the electric putter 10, the electric telescopic rod 16 and the motor will not be explained in detail.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. A coal mine mapping and positioning instrument comprises a drill bit (1) and is characterized in that a connector (3) is fixedly arranged at the top end of the drill bit (1), a sampling box (9) is inserted into the side edge of the connector (3), a lifting ring (6) which is arranged at the same diameter as the top end of the drill bit (1) is sleeved on the surface of the connector (3), a sealing cover (4) which is used for covering a box opening at the side edge of the sampling box (9) is fixedly arranged at the inner side edge of the upper surface of the lifting ring (6), two symmetrically arranged electric telescopic rods (16) are embedded in the top end of the connector (3), a connecting plate (7) is upwards arranged at the telescopic end of the electric telescopic rods (16) and fixedly provided with a connecting plate (7), and the connecting plate (7) is in sliding connection with the side edge of the connector (3) and the inner side edge of the upper surface of the lifting ring (6).

2. The coal mine mapping and positioning instrument according to claim 1, wherein the conical surface of the drill bit (1) is provided with a plurality of inclined grooves (2) along the direction of a bus, the inclined grooves (2) extend to the top end of the drill bit (1), and the side edges of the lifting rings (6) are provided with notches (15) corresponding to the inclined grooves (2).

3. The coal mine surveying and mapping locator according to claim 2, wherein the top end of the lifting ring (6) is rotatably connected with a swivel (5) coaxially arranged with the connector (3), a notch (15) is formed in the outer side edge of the swivel (5) corresponding to any chute (2), and the inner side edge of the swivel (5) is in clearance fit with the surface of the connector (3).

4. The coal mine surveying and mapping locator according to claim 3, wherein a rotating arm (8) is rotatably connected to the center of the top end of the connector (3), the rotating arm (8) is slidably connected with the side surface of the connector (3) and is inserted into the inner side edge of the rotating ring (5), and the bottom edge of the rotating arm (8) is slidably connected with the upper surface of the lifting ring (6).

5. The coal mine surveying and mapping locator according to claim 4, wherein a notch (13) which is inserted into the rotating arm (8) is formed in the inner side edge of the upper surface of the lifting ring (6), and the inner side edge of the rotating ring (5) extends inwards to form a cover plate (14) for covering the notch (13).

6. The coal mine surveying and mapping locator according to claim 1, wherein two horizontally arranged electric push rods (10) are fixedly installed inside the connector (3), and telescopic ends of the two electric push rods (10) are respectively connected with the inner top surface and the inner bottom surface of a box opening of the sampling box (9).

7. The coal mine mapping and positioning instrument according to claim 6, wherein a screw rod (12) which is vertically arranged is rotatably connected to the bottom of the sampling box (9) at one side of the box opening, a cutting knife (11) is connected to the screw rod (12) in a threaded manner, the cutting knife (11) is lifted along the direction of the box opening of the sampling box (9), and the cutting knife (11) is spliced with the other side of the box opening of the sampling box (9).