CN220302107U - Coal field geological prospecting device - Google Patents

Abstract

The utility model relates to the technical field of geological exploration, in particular to a coal field geological exploration device which comprises a central tube, a sleeve, a cement ring, a sand prevention tube, an anti-blocking mechanism, a protection mechanism and a drill bit, wherein the sleeve is fixedly connected to the outer side of the central tube, the cement ring is fixedly connected to the outer side of the sleeve, the sand prevention tube is arranged on the outer side of the sleeve, the anti-blocking mechanism is arranged in the sand prevention tube, the protection mechanism is arranged on the outer side of the sand prevention tube, and the drill bit is fixedly connected to the protection mechanism. According to the utility model, the rotating shaft drives the drill bit to rotate through the components such as the fixed block, the damping rod and the sliding rod, the drill bit is forced to move towards the rotating shaft and the damping rod is driven to move towards the fixed block, the damping rod consumes the force applied to the drill bit, the spring stores the force applied to the drill bit, the head of the sliding rod is square, the damping rod is prevented from rotating, and the problems that hard stones and the like can be touched by the drill bit and the drill bit is easily damaged due to the stress when the drill bit is used are solved.

Description

Coal field geological prospecting device

Technical Field

The utility model relates to the technical field of geological exploration, in particular to a coal field geological exploration device.

Background

A coal-bearing rock system distribution area formed and developed substantially continuously in the same geological period is called a coal field in the geological history development process. Most coal fields are in basin forms, so that coal is also called coal basin, coal is formed by plant remains in geological periods, after plants die, the physical and chemical properties of the coal are changed through biochemical and geological actions, the coal is always distributed in layers like a deposit, a group of deposit rock systems with geological causes of coal beds are called coal-bearing rock systems, an exploration device is needed in the geological exploration process of the coal fields, and soil collection and sampling are needed for the coal fields, and drill rods of different types are needed in the drilling process according to different ground conditions. The utility model of patent authority publication number CN215408486U discloses a coal field geological prospecting device, set up first motor and can drive the screw thread post and rotate, make the screw thread post can carry out forward and backward rotation, and then the rotation of screw thread post can drive the lifter block and go up and down, can effectively cooperate going on of follow-up drilling prospecting work, the lifter block provides the supporting role for the installation of follow-up other components, can carry out spacing to the mounted position of drilling rod simultaneously and guarantee the stable going on at follow-up drilling prospecting work through the lifter block, and then the gag lever post can carry out spacing to the lift of lifter block, guarantee that the lifter block can be stable along vertical direction and remove, the pivot, the conversion board and a plurality of connecting piece formation are to different model drilling rod preinstallation mechanism, thereby can select different connecting pieces according to using the drilling rod of different models, reach the assigned position through the rotation of drilling rod conversion board and install the connection, the second motor is through being connected with the connecting piece that selects and can effectually drive corresponding drilling prospecting work, further adjustment mechanism can replace the position of manual rotation conversion board, and can be accurate with the connecting piece and rotate the required position of second connecting piece, the convenient and fast setting up and saving the device, thereby the convenient and easy to install the device.

However, the above patent also suffers from the following disadvantages: sand control pipe is in the in-process of entering exploration geology, and inside can block into the stone of screen pipe layer, influences the normal use on screen pipe layer, and the drill bit can touch things such as hard stone when using, and the drill bit atress is damaged easily, consequently, need improve above-mentioned patent.

Disclosure of Invention

The utility model aims to provide a coal field geological exploration device, which solves the problems that a sand control pipe possibly clamps into stone blocks in the process of entering exploration geology to influence the normal use of a screen pipe layer, a drill bit possibly touches hard stones and other things during the use, and the drill bit is easy to damage due to stress.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a coal field geological prospecting device, includes center tube, sleeve pipe, cement sheath, sand control pipe, anti-blocking mechanism, protection machanism, drill bit, the outside fixedly connected with sleeve pipe of center tube, sheathed tube outside fixedly connected with cement sheath, sheathed tube outside is provided with sand control pipe, the inside of sand control pipe is provided with anti-blocking mechanism, sand control pipe's outside is provided with protection machanism, fixedly connected with drill bit on the protection machanism.

Preferably, the anti-blocking mechanism comprises a heat conduction sealing block, a motor, a rotating rod, an eccentric wheel, a hemispherical block and a fixing strip, wherein the heat conduction sealing block is fixedly connected with the inside of the sand prevention pipe, the motor is fixedly connected with the inside of the heat conduction sealing block, the rotating rod is fixedly connected with the output shaft of the motor, the rotating rod is rotationally connected with the heat conduction sealing block, the eccentric wheel is fixedly connected with the outer side of the rotating rod, the hemispherical block is contacted with the outer side of the eccentric wheel, the hemispherical block is fixedly connected with the sand prevention pipe, and the eccentric wheel vibrates and prevents blocking the sand prevention pipe through the hemispherical block.

Preferably, the protection mechanism comprises a fixed block, a damping rod, a sliding rod, a spring and a rotating shaft, wherein the outer side of the sand prevention pipe is fixedly connected with the fixed block, the damping rod is connected to the inner side of the fixed block in a sliding manner, the sliding rod is connected to the inner side of the damping rod in a sliding manner, the sliding rod is fixedly connected with the sand prevention pipe, the spring is arranged on the outer side of the sliding rod, and the spring stores the force born by the drill bit.

Preferably, the inside fixedly connected with fixed strip of sand control pipe, the fixed strip passes through the bearing with the rotary rod and is connected, and the fixed strip plays the supporting role to the rotary rod.

Preferably, one end of the spring is fixedly connected with a sand prevention pipe, the other end of the spring is fixedly connected with a damping rod, and the damping rod consumes the force born by the drill bit.

Preferably, the outside fixedly connected with pivot of damping pole, pivot and drill bit fixed connection, the pivot drives the drill bit rotation.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the sand control device, the heat conduction sealing block, the motor, the rotating rod and other components are arranged, the motor drives the rotating rod to rotate, the rotating rod drives the eccentric wheel to rotate, the eccentric wheel vibrates the sand control pipe through the hemispherical block to prevent blockage, the fixing strip plays a supporting role on the rotating rod, and the problem that the inside of the screen pipe layer can be blocked into the stone block in the process of entering exploration geology to influence normal use of the screen pipe layer is solved.

2. According to the utility model, the rotating shaft drives the drill bit to rotate through the components such as the fixed block, the damping rod and the sliding rod, the drill bit is forced to move towards the rotating shaft and the damping rod is driven to move towards the fixed block, the damping rod consumes the force applied to the drill bit, the spring stores the force applied to the drill bit, the head of the sliding rod is square, the damping rod is prevented from rotating, and the problems that hard stones and the like can be touched by the drill bit and the drill bit is easily damaged due to the stress when the drill bit is used are solved.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a front partial cross sectional view of the sand control tube of FIG. 1 of the present utility model;

fig. 3 is a front cross-sectional view of the fixing block of fig. 1 of the present utility model.

In the figure: 1. a central tube; 2. a sleeve; 3. a cement sheath; 4. a sand control pipe; 5. an anti-blocking mechanism; 51. a thermally conductive sealing block; 52. a motor; 53. a rotating rod; 54. an eccentric wheel; 55. hemispherical blocks; 56. a fixing strip; 6. a protection mechanism; 61. a fixed block; 62. a damping rod; 63. a slide bar; 64. a spring; 65. a rotating shaft; 7. a drill bit.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 and 2, a coal field geological prospecting device comprises a central tube 1, a sleeve 2, a cement sheath 3, a sand prevention tube 4, an anti-blocking mechanism 5, a protection mechanism 6 and a drill bit 7, wherein the sleeve 2 is fixedly connected to the outer side of the central tube 1, the cement sheath 3 is fixedly connected to the outer side of the sleeve 2, the sand prevention tube 4 is arranged on the outer side of the sleeve 2, the anti-blocking mechanism 5 is arranged in the sand prevention tube 4, the protection mechanism 6 is arranged on the outer side of the sand prevention tube 4, and the drill bit 7 is fixedly connected to the protection mechanism 6.

Referring to fig. 2, the anti-blocking mechanism 5 includes a heat-conducting sealing block 51, a motor 52, a rotating rod 53, an eccentric wheel 54, a hemispherical block 55 and a fixing strip 56, wherein the heat-conducting sealing block 51 is fixedly connected to the inside of the sand prevention pipe 4, the motor 52 is fixedly connected to the inside of the heat-conducting sealing block 51, the rotating rod 53 is fixedly connected to an output shaft of the motor 52, the rotating rod 53 is rotationally connected with the heat-conducting sealing block 51, the eccentric wheel 54 is fixedly connected to the outer side of the rotating rod 53, the hemispherical block 55 is in contact with the outer side of the eccentric wheel 54, the hemispherical block 55 is fixedly connected with the sand prevention pipe 4, the fixing strip 56 is fixedly connected to the inside of the sand prevention pipe 4, the fixing strip 56 is connected with the rotating rod 53 through a bearing, and the fixing strip 56 plays a supporting role on the rotating rod 53.

Referring to fig. 3, the protection mechanism 6 includes a fixed block 61, a damping rod 62, a sliding rod 63, a spring 64, and a rotating shaft 65, wherein the outer side of the sand prevention tube 4 is fixedly connected with the fixed block 61, the inner side of the fixed block 61 is slidably connected with the damping rod 62, the inner side of the damping rod 62 is slidably connected with the sliding rod 63, the sliding rod 63 is fixedly connected with the sand prevention tube 4, the outer side of the sliding rod 63 is provided with the spring 64, one end of the spring 64 is fixedly connected with the sand prevention tube 4, the other end of the spring 64 is fixedly connected with the damping rod 62, the outer side of the damping rod 62 is fixedly connected with the rotating shaft 65, the rotating shaft 65 is fixedly connected with the drill bit 7, and the rotating shaft 65 drives the drill bit 7 to rotate.

The specific implementation process of the utility model is as follows: during operation, cement sheath 3 is fixed, sleeve pipe 2 and cement sheath 3 protect central tube 1, pivot 65 drives drill bit 7 rotation, the back of drill bit 7 atress is removed to pivot 65 direction, drive damping pole 62 and remove to fixed block 61 direction, damping pole 62 consumes the power that drill bit 7 received, spring 64 stores the power that drill bit 7 received, the head of slide bar 63 is square, prevent damping pole 62 rotation, the problem that drill bit 7 can touch things such as hard stone when using, drill bit 7 atress is easy to damage is solved, motor 52 drives rotary rod 53 rotation, rotary rod 53 drives eccentric wheel 54 rotation, the eccentric wheel 54 is through hemisphere piece 55 to sand control pipe 4 vibration anti-blocking, fixed strip 56 plays the supporting role to rotary rod 53, the problem that sand control pipe 4 is in the in-process of entering exploration geology in the screen pipe layer can block, the normal use of screen pipe layer is influenced.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a coal field geological prospecting device, includes center tube (1), sleeve pipe (2), cement sheath (3), sand control pipe (4), anti-blocking mechanism (5), protection machanism (6), drill bit (7), its characterized in that: the anti-blocking device is characterized in that the outside of the central tube (1) is fixedly connected with the sleeve (2), the outside of the sleeve (2) is fixedly connected with the cement sheath (3), the outside of the sleeve (2) is provided with the anti-blocking mechanism (5), the outside of the anti-blocking mechanism (4) is provided with the protection mechanism (6), and the protection mechanism (6) is fixedly connected with the drill bit (7).

2. The coal field geological exploration device according to claim 1, wherein: anti-blocking mechanism (5) are including heat conduction sealing block (51), motor (52), rotary rod (53), eccentric wheel (54), hemisphere piece (55), fixed strip (56), the inside fixedly connected with heat conduction sealing block (51) of sand control pipe (4), the inside fixedly connected with motor (52) of heat conduction sealing block (51), fixedly connected with rotary rod (53) on the output shaft of motor (52), rotary rod (53) are connected with heat conduction sealing block (51) rotation, the outside fixedly connected with eccentric wheel (54) of rotary rod (53), the outside contact of eccentric wheel (54) has hemisphere piece (55), hemisphere piece (55) and sand control pipe (4) fixed connection.

3. The coal field geological exploration device according to claim 1, wherein: protection machanism (6) are including fixed block (61), damping rod (62), slide bar (63), spring (64), pivot (65), the outside fixedly connected with fixed block (61) of sand control pipe (4), the inside sliding connection of fixed block (61) has damping rod (62), the inside sliding connection of damping rod (62) has slide bar (63), slide bar (63) and sand control pipe (4) fixed connection, the outside of slide bar (63) is provided with spring (64).

4. The coal field geological exploration device according to claim 2, wherein: the sand control pipe is characterized in that a fixing strip (56) is fixedly connected to the inside of the sand control pipe (4), and the fixing strip (56) is connected with a rotating rod (53) through a bearing.

5. A coal field geological prospecting apparatus according to claim 3, wherein: one end of the spring (64) is fixedly connected with a sand prevention pipe (4), and the other end of the spring (64) is fixedly connected with a damping rod (62).

6. A coal field geological prospecting apparatus according to claim 3, wherein: the outside fixedly connected with pivot (65) of damping pole (62), pivot (65) and drill bit (7) fixed connection.