CN-224216333-U - Colliery geological drilling sampling device

CN224216333UCN 224216333 UCN224216333 UCN 224216333UCN-224216333-U

Abstract

The utility model discloses a coal mine geological drilling sampling device, which belongs to the technical field of drilling sampling and comprises a main machine table, wherein a push rod capable of moving up and down is vertically arranged on the main machine table, a reset spring for pushing the push rod to move up is sleeved on a rod body of the push rod, a vertically arranged sampling core is detachably arranged at the bottom of the push rod, a hollow cavity is formed in the sampling core, a groove with the same length as the hollow cavity is formed in the side wall of the sampling core along the axial direction of the sampling core, and a labor-saving lever capable of pressing the push rod downwards and driving the sampling core to drill downwards is rotatably arranged at the top of the main machine table. According to the coal mine geological drilling sampling device, the grooves are formed in the side wall of the sampling core, so that a sample in the cavity in the sampling core is easy to fall off, secondly, the ejector rod is frequently knocked through the labor-saving lever, vibration sense of the vibration sense can be transmitted into the sampling core along the ejector rod, and therefore the sample in the cavity in the sampling core is fast taken off.

Inventors

LI JING
HAO GUOWEI
Qiu Wuchang
WANG GONGMING

Assignees

兖矿能源集团股份有限公司

Dates

Publication Date: 20260508
Application Date: 20250527

Claims (10)

1. A coal mine geological drilling sampling device comprises a main machine station; The device is characterized in that the host computer is vertically provided with a push rod capable of moving up and down, a reset spring pushing the push rod to move upwards is sleeved on a rod body of the push rod, a vertically arranged sampling core is detachably arranged at the bottom of the push rod, a hollow cavity is formed in the sampling core, and a groove with the same length as the sampling core is formed in the side wall of the sampling core along the axial direction of the side wall of the sampling core; the top of the host computer is rotatably provided with a labor-saving lever which can press the ejector rod downwards and drive the sampling core to drill downwards.
2. The geological drilling sampling device for coal mine as claimed in claim 1, wherein the width of the groove is 1/3-1/2 of the diameter of the hollow cavity.
3. The geological drilling sampling device for coal mine as claimed in claim 2, wherein the lower end of the sampling core is a sharp end.
4. The geological drilling sampling device for coal mine as set forth in claim 1, wherein the top end of the return spring is abutted against a knock pin penetrating through the push rod, and the bottom end of the return spring is abutted against a slot of the main machine.
5. The geological drilling sampling device for coal mine as claimed in claim 1, wherein the top of the sampling core is inserted into the ejector rod, and the sampling core is completely fixed by screws arranged on the side wall of the sampling core.
6. The geological drilling sampling device for coal mines of claim 1, wherein the main machine table is provided with a limit stud which is vertically arranged and far away from the rotating end of the labor-saving lever through threads, and a nut of the limit stud can block the labor-saving lever which rotates downwards.
7. The geological drilling sampling device for coal mine as claimed in claim 1, wherein the bottom of the main machine table is provided with pedals, and the upper surface of each pedal is provided with a plurality of anti-skid grooves distributed in a linear array.
8. The geological drilling sampling device for coal mine as claimed in any one of claims 1 to 7, wherein the bottom of the main platform is provided with a guide hole which corresponds to the position of the sampling core up and down, and the diameter of the guide hole is 1.1 to 1.2 times that of the sampling core.
9. The geological drilling sampling device for coal mine as claimed in claim 8, wherein the upper surface of the position of the guide hole is provided with a sampling table, and the sampling table is provided with a sampling box capable of being pulled outwards in a sliding manner.
10. The geological drilling sampling device for coal mine as claimed in claim 9, wherein a drawing handle is fixed on the outer side of the sampling box.

Description

Colliery geological drilling sampling device Technical Field The utility model relates to the technical field of drilling sampling, in particular to a coal mine geological drilling sampling device. Background In the geological exploration process of coal mines, drilling and sampling of an underground rock and soil layer are important work, and the conditions of an underground geological structure, mineral distribution and the like can be known through analysis of the obtained samples. However, the existing coal mine geological drilling sampling device has some problems in the sampling process, for example, the sample in the sampling core is not easy to fall off, so that the sampling efficiency is low, the operation is not convenient enough in the sampling process, and more manpower and time are required to be consumed. Disclosure of utility model The utility model aims to solve the technical problem of providing a coal mine geological drilling sampling device with easy cavity removal of a sample and high cavity removal speed of the sample. In order to achieve the above purpose, the present utility model provides the following technical solutions: The coal mine geological drilling sampling device comprises a main machine table, wherein a push rod capable of moving up and down is vertically arranged on the main machine table, a reset spring for pushing the push rod to move up is sleeved on a rod body of the push rod, a vertically arranged sampling core is detachably arranged at the bottom of the push rod, a hollow cavity is formed in the sampling core, grooves with the same length as the sampling core are formed in the side wall of the sampling core along the axial direction of the sampling core, and a labor-saving lever capable of pushing the push rod down and driving the sampling core to drill down is rotatably arranged at the top of the main machine table. By adopting the scheme, the coal mine geological drilling sampling device is characterized in that the side wall of the sampling core is provided with the groove, so that a sample in the cavity in the sampling core is easy to fall off, and secondly, the ejector rod is frequently knocked through the labor-saving lever, vibration sense of the sample can be transmitted into the sampling core along the ejector rod, and the sample in the cavity in the sampling core is rapidly taken off. Further, the width of the groove is 1/3-1/2 of the diameter of the hollow cavity. The design can ensure the structural strength of the sampling core and simultaneously make the sample more easily deviate from the sampling core. Further, the lower end of the sampling core is a sharp end. The design of the tip head is beneficial to the sampling core to be drilled into the underground rock and soil layer more easily, and the drilling efficiency is improved. Further, the top end of the return spring is abutted against the ejector pin penetrating through the ejector rod, and the bottom end of the return spring is abutted against the slot of the host machine table. The structure can ensure that the reset spring can stably push the ejector rod to move upwards, so that the sampling core can be smoothly pulled out of the underground rock stratum. Further, the top of the sampling core is inserted into the ejector rod, and the sampling core is completely fixed through a screw arranged on the side wall of the sampling core. The detachable mounting mode is convenient for replacement and maintenance of the sampling core, and when the sampling core is worn or damaged, the sampling core can be quickly replaced, so that the service life of the device is prolonged. Further, a limit stud which is vertically arranged and far away from the rotating end of the labor-saving lever is arranged on the host computer platform through threads, and a nut of the limit stud can block the labor-saving lever which rotates downwards. The limiting stud can prevent the labor-saving lever from being excessively pressed down, so that the device is prevented from being damaged, meanwhile, the pressing stroke of the labor-saving lever can be adjusted according to the requirement, and the flexibility and the adaptability of the device are improved. Further, a pedal is installed at the bottom of the main machine table, and a plurality of anti-skid grooves distributed in a linear array are formed in the upper surface of the pedal. The design of footboard is convenient for operating personnel trample the host computer platform, and stabilising arrangement, and the antiskid groove can increase frictional force, prevents that operating personnel from slipping, improves the security of operation. Further, a guide hole which corresponds to the position of the sampling core up and down is formed in the bottom of the host computer platform, and the diameter of the guide hole is 1.1-1.2 times that of the sampling core. The guide hole can guide the drilling direction of the sampling core, so that the sampling core can be vertica