CN219605243U - Coring device for geothermal drilling broken stratum - Google Patents

Abstract

The utility model relates to a coring device, in particular to a coring device for geothermal drilling of broken stratum. The utility model provides a coring device for geothermal drilling broken stratum, which can fix a rock core so as not to fall off. The utility model provides a coring device for geothermal drilling broken strata, which comprises a mounting bracket, lifting rails, a fixed ring, a motor, a screw rod and a coring barrel, wherein the top of the mounting bracket is connected with the two lifting rails, the fixed ring is connected between the two lifting rails in a sliding mode, the screw rod is connected in the lifting rails in a rotating mode, the motor is arranged in the middle of the fixed ring, and the coring barrel is connected on an output shaft of the motor through threads. When the rock stratum is coring, the rock core can be supported by the ejector block in the drill bit, so that the rock core is fixed, the rock core is prevented from sliding down in the process of taking out the rock core, and the stability in the coring process is ensured.

Description

Coring device for geothermal drilling broken stratum

Technical Field

The utility model relates to a coring device, in particular to a coring device for geothermal drilling of broken stratum.

Background

Engineering geological survey is regarded as a geological investigation work performed for finding out geological factors affecting an engineering building, and when engineering geological survey is performed, a core in a stratum needs to be sampled and then a sample is judged.

Through retrieving, the patent publication number CN 218725537U's of authorizing patent discloses a coring device, including base and elevating system, elevating system is located the upper surface of base, the one end of base upper surface is provided with the pushing hands, be provided with the battery between pushing hands and the elevating system, elevating system is connected with the support board through the elevating platform, be provided with on the support board and bore the mechanism, the left and right sides of base all is provided with two sets of universal wheels, the inside of base is provided with supporting mechanism, supporting mechanism includes adjust knob, regulation pole, first bevel gear, second lead screw, slip cap and backup pad, the inside bottom of base is provided with the second lead screw, just the connected mode of second lead screw and base is the rotation and is connected.

When the coring is carried out, the drill bit for the coring operation is cylindrical, the inner wall is smooth, and the phenomenon that the core falls off easily in the process of the coring operation affects the coring operation.

Disclosure of Invention

In order to overcome the defect that a rock core is easy to fall off in the existing coring mode, the utility model provides a coring device for geothermal drilling broken stratum, which can fix the rock core so as to avoid falling off.

The technical proposal is as follows: the utility model provides a coring device for broken stratum of geothermal drilling, including the installing support, lifting rail, solid fixed ring, a motor, the screw rod, the internal thread cover, a core barrel, the drill bit, the kicking block, spring two and ejecting subassembly, the installing support top is connected with two lifting rail, be connected with solid fixed ring between two lifting rail, gu fixed ring mid-mounting has the motor, there is a core barrel through threaded connection on the output shaft of motor, the internal rotation of lifting rail is connected with the screw rod, gu fixed ring inner bottom both sides are all rotationally connected with the internal thread cover, two internal thread covers respectively with two screw rod threaded connection, core barrel bottom is connected with the drill bit, drill bit internal surface is connected with at least three kicking block along circumference even interval sliding type, be connected with spring two between kicking block and the core barrel, the kicking block is used for fixing the rock core, be equipped with the ejecting subassembly that is used for ejecting the rock core in the core barrel.

Optionally, the output shaft of the motor is in driving connection with the two internal thread sleeves.

Optionally, the pushing component comprises a first spring and a pushing plate, the pushing plate is connected to the coring barrel in a sliding mode, and the first spring is connected between the pushing plate and the inner top of the coring barrel.

Optionally, still including cooling mechanism, cooling mechanism is connected with the water tank including water tank and shower nozzle, installing support top, and the last even interval of water tank is connected with a plurality of shower nozzles, and the liquid end of shower nozzle is towards the drill bit direction.

Optionally, the device also comprises a weight increasing block, and the middle part of the mounting bracket is connected with the weight increasing block.

Optionally, the mounting bracket further comprises a multi-salient point grounding plate, and both sides of the lower part of the mounting bracket are connected with the multi-salient point grounding plate.

Optionally, a plurality of placing grooves for placing the core are uniformly arranged at the top of the mounting bracket at intervals, and the placing grooves can be used for placing the core.

The beneficial effects are that: 1. when the rock stratum is coring, the rock core can be supported by the ejector block in the drill bit, so that the rock core is fixed, the rock core is prevented from sliding down in the process of taking out the rock core, and the stability in the coring process is ensured.

2. According to the utility model, after the core is taken out, the drill bit can be directly detached, and the push plate moves downwards under the action of the first spring to push out the core in the core barrel, so that the effect of being convenient for taking out the core is achieved.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a cross-sectional view of the present utility model.

Fig. 3 is an enlarged view of portion a of fig. 2 in accordance with the present utility model.

FIG. 4 is a schematic view of a push-out assembly according to the present utility model.

Fig. 5 is a schematic view of the internally threaded sleeve, motor and retaining ring of the present utility model.

Fig. 6 is a cross-sectional view of a drill bit of the present utility model.

Fig. 7 is an enlarged view of section B of fig. 6 in accordance with the present utility model.

FIG. 8 is a schematic diagram of a cooling mechanism according to the present utility model.

Fig. 9 is a schematic view of a mounting bracket and a multi-bump ground plate of the present utility model.

Meaning of reference numerals in the drawings: 1_installing support, 2_lifting track, 3_screw, 4_fixed ring, 5_internal thread cover, 6_motor, 8_core barrel, 9_spring one, 10_push plate, 11_drill bit, 12_top block, 13_spring two, 14_water tank, 15_shower nozzle, 16_multi-bump grounding plate, 17_weight-increasing block, 19_standing groove.

Detailed Description

Reference herein to an embodiment means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

Examples

1-7, including installing support 1, lifting rail 2, solid fixed ring 4, motor 6, screw rod 3, internal thread cover 5, coring barrel 8, drill bit 11, kicking block 12, spring two 13 and ejecting assembly, installing support 1 top right side is connected with two lifting rail 2, sliding connection has solid fixed ring 4 between two lifting rail 2, gu fixed ring 4 mid-mounting has motor 6, there is coring barrel 8 through threaded connection on the output shaft of motor 6, the internal rotation of lifting rail 2 is connected with screw rod 3, both sides all rotate around the bottom in solid fixed ring 4 are connected with internal thread cover 5, two internal thread covers 5 respectively with two screw rods 3 threaded connection, so that internal thread cover 5 rotation can be through with screw rod 3 between the screw rod lift, be used for driving solid fixed ring 4 to go up and down, coring barrel 8 bottom has drill bit 11 through threaded connection, drill bit 11 internal surface is along circumference evenly spaced sliding connection has four kicking blocks 12, kicking block 12 bottom is provided with the inclined plane, be connected with coring barrel 8 through threaded connection between kicking block 12 and the top 8, be used for ejecting core 8 with the core barrel 13, be used for ejecting core 8 with core 8 and ejecting assembly, core 8 is used for taking out core from core 8.

As shown in fig. 3-5, the output shaft of the motor 6 and the two internal thread sleeves 5 are respectively provided with a synchronous wheel, and a synchronous belt is wound between the three synchronous wheels, so that the output shaft of the motor 6 is in transmission connection with the internal thread sleeves 5, and the motor 6 can drive the two internal thread sleeves 5 to rotate through the synchronous wheels and the synchronous belt.

As shown in fig. 4, the pushing-out assembly comprises a first spring 9 and a pushing plate 10, the pushing plate 10 is slidably connected to the upper portion in the core barrel 8, the pushing plate 10 is used for pushing out the core, and the first spring 9 is connected between the pushing plate 10 and the inner top of the core barrel.

When the core in the stratum needs to be taken out, the device can be used, when the device is used, firstly, the device is moved to the position to be coring, then the motor 6 is controlled to operate, the motor 6 is operated, the internal thread sleeve 5 is driven to rotate through the synchronous wheel and the synchronous belt, the internal thread sleeve 5 can move downwards through the screw rod 3 when rotating, so that the fixed ring 4, the motor 6 and the coring barrel 8 are driven to rotate, the coring barrel 8 can move downwards when rotating, the coring barrel 8 can drive the drill bit 11 to move downwards when rotating, so that the drill bit is drilled into the stratum, the coring operation is carried out, the slope below the top block 12 can be extruded into the drill bit 11 by the stratum, the spring II 13 is compressed, the core can be moved to be contacted with the push plate 10 and move upwards when the first spring 9 is compressed, when the coring barrel 8 needs to be taken out, the motor 6 can be controlled to rotate upwards, the coring barrel 8 can be driven to rotate downwards, the drill bit 11 can be driven to move downwards when rotating, the first spring II can be completely pushed out of the rock stratum, the drill bit 11 can be completely, and the rock core can be completely removed from the rock stratum 11 by the first spring II, the rock core can be completely removed from the push the rock stratum 11 when the top block 12 is completely, and the rock stratum is completely removed by the spring II is completely pushed out by the push plate 11.

As shown in fig. 1 and 8, the cooling device further comprises a water tank 14 and a spray head 15, the right side of the top of the mounting bracket 1 is connected with the water tank 14, the top of the water tank 14 is provided with a water inlet, the water inlet can be externally connected with a water pipe, the lower left side of the water tank 14 is uniformly and alternately connected with a plurality of spray heads 15, the liquid outlet end of the spray head 15 faces the direction of the drill bit 11, so that the spray head 15 can spray water at a drilling position for cooling treatment on the drilling position, when the cooling treatment is needed, the water tank is externally connected with the water pipe through the water inlet, then water can be sprayed from the spray head 15 after the water pipe is operated, and cooling treatment is carried out on the drilling position.

As shown in fig. 1, the drilling machine further comprises a weighting block 17, wherein the weighting block 17 is connected to the middle of the mounting bracket 1 and used for increasing the weight of the mounting bracket 1 so as to avoid tilting of the mounting bracket 1 during drilling.

As shown in fig. 9, the device further comprises a multi-salient point grounding plate 16, wherein the left side and the right side of the lower part of the mounting bracket 1 are respectively connected with the multi-salient point grounding plate 16, the multi-salient point grounding plate 16 can increase the point positions contacted with the ground, and the friction force when the multi-salient point grounding plate contacts with the ground is improved, so that the stability of the device is improved.

As shown in fig. 1, a plurality of placing grooves 19 are uniformly spaced apart from the left side of the top of the mounting bracket 1, the placing grooves 19 can be used for placing cores, and a plurality of cores taken out from different positions can be placed in the placing grooves 19, so that a plurality of cores can be compared and observed, and the operation is more convenient.

The foregoing has outlined rather broadly the more detailed description of the utility model in order that the detailed description of the principles and embodiments of the utility model may be implemented in conjunction with the detailed description of the utility model that follows, the examples being merely intended to facilitate an understanding of the method of the utility model and its core concepts; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present utility model, the present description should not be construed as limiting the present utility model in view of the above.

Claims (7)

1. The utility model provides a coring device for broken stratum of geothermal drilling, a serial communication port, including installing support (1), lifting rail (2), solid fixed ring (4), motor (6), screw rod (3), internal thread cover (5), coring barrel (8), drill bit (11), kicking block (12), spring two (13) and ejecting subassembly, installing support (1) top is connected with two lifting rail (2), sliding connection has solid fixed ring (4) between two lifting rail (2), gu fixed ring (4) mid-mounting has motor (6), there is coring barrel (8) on the output shaft of motor (6) through threaded connection, lifting rail (2) internal rotation is connected with screw rod (3), all rotation type is connected with internal thread cover (5) in bottom in gu fixed ring (4), two internal thread covers (5) respectively with two screw rods (3) threaded connection, coring barrel (8) bottom is connected with drill bit (11), drill bit (11) internal surface evenly interval sliding connection along circumference has at least three kicking block (12), be connected with between kicking block (12) and coring barrel (8) two (13), be used for ejecting out core (8) with core subassembly internal rotation.

2. A coring device for geothermal drilling of broken formations according to claim 1, characterized in that the output shaft of the motor (6) is in driving connection with two internally threaded sleeves (5).

3. A coring device for geothermal drilling broken formations according to claim 1, wherein the pushing assembly comprises a first spring (9) and a push plate (10), the push plate (10) is slidably connected to the core barrel (8), and the first spring (9) is connected between the push plate (10) and the inner top of the core barrel.

4. The coring device for geothermal drilling broken strata according to claim 1, further comprising a cooling mechanism, wherein the cooling mechanism comprises a water tank (14) and a spray head (15), the top of the mounting bracket (1) is connected with the water tank (14), the upper part of the water tank (14) is uniformly and alternately connected with a plurality of spray heads (15), and the liquid outlet end of the spray head (15) faces the direction of the drill bit (11).

5. The coring device for geothermal drilling broken formations according to claim 1, further comprising a weighting block (17), wherein the weighting block (17) is connected to the middle part of the mounting bracket (1).

6. The coring device for geothermal drilling broken strata according to claim 1, further comprising a multi-salient grounding plate (16), wherein the multi-salient grounding plate (16) is connected to both sides of the lower portion of the mounting bracket (1).

7. The coring device for geothermal drilling broken formations according to claim 1, wherein a plurality of placing grooves (19) for placing cores are uniformly arranged on the top of the mounting bracket (1) at intervals, and the placing grooves (19) can be used for placing cores.