CN211370329U - Drilling device with pulverized coal collecting function - Google Patents

Abstract

The utility model discloses a drilling equipment with collect buggy function, include: a drill rod, the head of which is provided with a drill bit, the drill rod being provided with a drilling force by a power device; the disc body is arranged on the power equipment, and the drill rod penetrates through the disc body; the tail part of the guide cylinder is fixed on the disk body, the drill rod penetrates through the guide cylinder, and a discharge hole is formed in the lower area of the guide cylinder, close to the cylinder wall of the tail part, of the guide cylinder; the dustpan is arranged on the material guide cylinder, is positioned below the material guide cylinder and is opposite to the material outlet; wherein: the drill bit part protrudes out of the head of the guide cylinder for drilling. The utility model provides a device can make the buggy borrow by the guide cylinder derive and collect through the dustpan, compares the mode of the collection buggy in prior art, the utility model discloses a device can the greatly reduced loss volume of buggy.

Description

Drilling device with pulverized coal collecting function

Technical Field

The utility model relates to a drilling equipment with collect buggy function.

Background

In the prior art, the danger level of rock burst of a coal area is judged in the following way:

and judging the stress concentration degree in the coal body according to the powder discharge (coal powder) amount and the change rule of the unit hole depth in the drilling process, and further obtaining the danger level of rock burst.

Therefore, a procedure of collecting the pulverized coal is required in the process of determining the danger level of the rock burst, and the pulverized coal is collected in the following manner in the prior art:

while the drill rod drills a hole into the coal area, the coal dust discharged from the end of the drilled hole is collected by using a flexible cloth bag which is hung on the lower side of the end of the hole in advance.

The above-mentioned manner of collecting coal dust in the prior art has the following disadvantages:

1. it is necessary to provide a hook in advance on the lower side of the hole to be drilled for hooking the easy cloth bag, and such an operation is very difficult and dangerous when the position to be drilled is high.

2. The cloth bag can not be tightly attached to the side wall of the coal area, so that a large amount of coal powder slides along a gap between the cloth bag and the side wall, further a large amount of coal powder is lost, and the judgment result is influenced.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned technical problem that exists among the prior art, the embodiment of the utility model provides a drilling equipment with collect buggy function is provided.

For solving the technical problem, the embodiment of the utility model adopts the following technical scheme:

a drilling device with a function of collecting pulverized coal comprises:

a drill rod, the head of which is provided with a drill bit, the drill rod being provided with a drilling force by a power device;

the disc body is arranged on the power equipment, and the drill rod penetrates through the disc body;

the tail part of the guide cylinder is fixed on the disk body, the drill rod penetrates through the guide cylinder, and a discharge hole is formed in the lower area of the guide cylinder, close to the cylinder wall of the tail part, of the guide cylinder;

the dustpan is arranged on the material guide cylinder, is positioned below the material guide cylinder and is opposite to the material outlet; wherein:

the drill bit part protrudes out of the head of the guide cylinder for drilling.

Preferably, the guide cylinder includes:

the tail part of the holding cylinder is fixed on the disc body;

the tail part of the telescopic cylinder is sleeved at the head part of the holding cylinder; wherein:

a spring is arranged between the telescopic cylinder and the holding cylinder, and a limiting structure is arranged between the telescopic cylinder and the holding cylinder to limit the telescopic cylinder to be separated from the holding cylinder.

Preferably, the limit structure includes:

the limiting groove is formed in the tail of the telescopic cylinder and extends for a section along the axial direction of the telescopic cylinder;

and the pin is arranged at the head of the retaining cylinder and penetrates through the limiting groove so as to limit the stroke of the telescopic cylinder by stopping at two axial end parts of the limiting groove.

Preferably, the lower end of the pin is formed with an external thread, and the pin is threadedly provided on the holding cylinder.

Compared with the prior art, the utility model discloses a drilling equipment with collect buggy function's beneficial effect is:

1. the utility model provides a device can make the buggy borrow by the guide cylinder derive and collect through the dustpan, compares the mode of the collection buggy in prior art, the utility model discloses a device can the greatly reduced loss volume of buggy.

2. The device provided by the utility model makes buggy collecting element and drilling part integrated together, needn't set up collecting element on the side of coal field alone for collecting the buggy.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention.

The summary of various implementations or examples of the technology described in this disclosure is not a comprehensive disclosure of the full scope or all features of the disclosed technology.

Drawings

In the drawings, which are not necessarily drawn to scale, like reference numerals may describe similar components in different views. Like reference numerals having letter suffixes or different letter suffixes may represent different instances of similar components. The drawings illustrate various embodiments, by way of example and not by way of limitation, and together with the description and claims, serve to explain the embodiments of the invention. The same reference numbers will be used throughout the drawings to refer to the same or like parts, where appropriate. Such embodiments are illustrative, and are not intended to be exhaustive or exclusive embodiments of the present apparatus or method.

Fig. 1 is a main sectional view of a drilling device with a function of collecting pulverized coal according to an embodiment of the present invention (a telescopic cylinder is in an extended state).

Fig. 2 is an enlarged view of a portion a of fig. 1.

Fig. 3 is a main sectional view of the drilling device with the function of collecting pulverized coal according to the embodiment of the present invention (the telescopic cylinder is in a retracted state).

Reference numerals:

10-a drill rod; 11-a drill bit; 20-a material guide cylinder; 21-a retention cartridge; 211-stop table; 22-a telescopic cylinder; 23-a discharge hole; 30-dustpan; 40-a spring; 51-a limiting groove; 52-a pin; 60-a disc body.

Detailed Description

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

To maintain the following description of the embodiments of the present invention clear and concise, detailed descriptions of well-known functions and components may be omitted.

As shown in fig. 1, the utility model discloses an embodiment discloses a drilling equipment with collect buggy function, the device is as judging the buggy device of getting of implementation buggy process in the rock burst process. The device includes: the drill rod 10, the disc body 60, the guide cylinder 20 and the dustpan 30.

The drill bit 11 is installed at the head of the drill rod 10, and the power device for providing drilling force to the drill rod 10 is installed at the tail of the drill rod 10, so that the drill bit 11 rotates to drill the side wall of the coal area.

A tray 60 is also mounted on the power apparatus, the tray 60 being stationary relative to the power apparatus, the drill rods 10 passing through the tray 60.

The tail of the guide cylinder 20 is fixed to the tray 60, for example, detachably fixed to the tray 60 by a fastener, so that the drill rod 10 is inserted through the guide cylinder 20 such that the drill 11 partially extends out of the head of the guide cylinder 20, and preferably, the drill rod 10 is coaxially disposed with the guide cylinder 20. In this embodiment, a discharge hole 23 is formed in a lower region of the guide cylinder 20 near the cylinder wall of the tail portion; the dustpan 30 is installed on the material guide cylinder 20, is located below the material guide cylinder 20, and is opposite to the discharge port 23.

When the device is used, the device is transversely arranged by using power equipment, the drill bit 11 is aligned to the side wall of the coal area, the drill rod 10 is driven to rotate while the whole device is fed by using the power equipment, drilling is further carried out, the guide cylinder 20 and the drill rod 10 synchronously enter the hole, the drilled coal powder axially flows outwards through a gap between the guide cylinder 20 and the drill rod 10 and falls into the dustpan 30 through the discharge hole 23, and the coal powder is further collected by the dustpan 30.

The advantages of the above embodiment are:

1. the utility model provides a device can make the buggy borrow and derive and collect through dustpan 30 by guide cylinder 20, compares the mode of the collection buggy in prior art, the utility model discloses a device can the greatly reduced buggy loss volume.

2. The device provided by the utility model makes buggy collecting element and drilling part integrated together, needn't set up collecting element on the side of coal field alone for collecting the buggy.

As shown in fig. 1 to 3, in a preferred embodiment of the present invention, the guide cylinder 20 includes: a holding cylinder 21 and a telescopic cylinder 22. The tail of the holding cylinder 21 is fixed on the tray body 60; the tail part of the telescopic cylinder 22 is sleeved on the head part of the holding cylinder 21; a spring 40 is arranged between the telescopic cylinder 22 and the stop table 211 of the holding cylinder 21, and a limit structure is arranged between the telescopic cylinder 22 and the holding cylinder 21 to limit the telescopic cylinder 22 to be separated from the holding cylinder 21. In this way, the telescopic tube 22 forms a flexible socket with the holding tube 21.

The advantages of the above embodiment are:

if a cylinder body with an integral structure is adopted as the material guiding cylinder 20, the head of the material guiding cylinder 20 may interfere with the periphery of the hole bottom to prevent the drill bit 11 from fully contacting with the coal at the center of the hole bottom, which will affect the smoothness of drilling, and the above embodiment allows the material guiding cylinder 20 to be set to be a telescopic structure, when the head of the telescopic cylinder 22 is blocked by the periphery of the hole bottom, the telescopic cylinder 22 retracts to avoid interfering with the periphery of the hole bottom (and the extension amount of the drill hole increases), so that the drill bit 11 can fully contact with the middle of the hole bottom, and the material guiding cylinder 20 does not affect the smoothness of drilling, and importantly: under the action of the spring 40, the telescopic cylinder 22 is always in contact with the bottom of the hole, so that the drilled coal powder can be always led out through the guide cylinder 20.

In a preferred embodiment of the present invention, the limiting structure includes: a retaining groove 51 and a pin 52. The limiting groove 51 is arranged at the tail part of the telescopic cylinder 22, and the limiting groove 51 extends for a section along the axial direction of the telescopic cylinder 22; the pin 52 is disposed at the head of the holding cylinder 21 and penetrates the limiting groove 51, so as to limit the stroke of the telescopic cylinder 22 by stopping at two axial ends of the limiting groove 51. Preferably, the lower end of the pin 52 is formed with an external thread, and the pin 52 is threadedly provided on the holding cylinder 21.

The advantages of the above embodiment are:

1. the limit structure enables the telescopic cylinder 22 and the holding cylinder 21 to always keep a sleeved state.

2. The limit groove 51 limits the telescopic stroke of the telescopic cylinder 22, and further can effectively prevent the spring 40 from being crushed due to the excessive retracting stroke of the telescopic cylinder 22.

Moreover, although exemplary embodiments have been described herein, the scope thereof includes any and all embodiments based on the present invention with equivalent elements, modifications, omissions, combinations (e.g., of various embodiments across), adaptations or variations. The elements of the claims are to be interpreted broadly based on the language employed in the claims and not limited to examples described in the present specification or during the prosecution of the application, which examples are to be construed as non-exclusive. It is intended, therefore, that the specification and examples be considered as exemplary only, with a true scope and spirit being indicated by the following claims and their full scope of equivalents.

The above description is intended to be illustrative and not restrictive. For example, the above-described examples (or one or more versions thereof) may be used in combination with each other. For example, other embodiments may be used by those of ordinary skill in the art upon reading the above description. Additionally, in the foregoing detailed description, various features may be grouped together to streamline the disclosure. This should not be interpreted as an intention that a disclosed feature not claimed is essential to any claim. Rather, inventive subject matter may lie in less than all features of a particular disclosed embodiment. Thus, the following claims are hereby incorporated into the detailed description as examples or embodiments, with each claim standing on its own as a separate embodiment, and it is contemplated that these embodiments may be combined with each other in various combinations or permutations. The scope of the invention should be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Various modifications and equivalents of the invention can be made by those skilled in the art within the spirit and scope of the invention, and such modifications and equivalents should also be considered as falling within the scope of the invention.

Claims (4)

1. A drilling device with a function of collecting pulverized coal is characterized by comprising:

a drill rod, the head of which is provided with a drill bit, the drill rod being provided with a drilling force by a power device;

the disc body is arranged on the power equipment, and the drill rod penetrates through the disc body;

the tail part of the guide cylinder is fixed on the disk body, the drill rod penetrates through the guide cylinder, and a discharge hole is formed in the lower area of the guide cylinder, close to the cylinder wall of the tail part, of the guide cylinder;

the dustpan is arranged on the material guide cylinder, is positioned below the material guide cylinder and is opposite to the material outlet; wherein:

the drill bit part protrudes out of the head of the guide cylinder for drilling.

2. The drilling device with the function of collecting pulverized coal as claimed in claim 1, wherein the guide cylinder comprises:

the tail part of the holding cylinder is fixed on the disc body;

the tail part of the telescopic cylinder is sleeved at the head part of the holding cylinder; wherein:

a spring is arranged between the telescopic cylinder and the holding cylinder, and a limiting structure is arranged between the telescopic cylinder and the holding cylinder to limit the telescopic cylinder to be separated from the holding cylinder.

3. The drilling device with the function of collecting pulverized coal as claimed in claim 2, wherein the limiting structure comprises:

the limiting groove is formed in the tail of the telescopic cylinder and extends for a section along the axial direction of the telescopic cylinder;

and the pin is arranged at the head of the retaining cylinder and penetrates through the limiting groove so as to limit the stroke of the telescopic cylinder by stopping at two axial end parts of the limiting groove.

4. The drilling device with the function of collecting pulverized coal as claimed in claim 3, wherein the lower end of the pin is formed with an external thread, and the pin is threadedly provided on the holder cylinder.

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