CN213999349U

CN213999349U - Punching pneumatic pick with automatic emergency stop protection function

Info

Publication number: CN213999349U
Application number: CN202022833071.3U
Authority: CN
Inventors: 成小东; 顾敏; 黄绍兴; 孔垂友
Original assignee: Ycih No2 Water Resources And Hydropower Construction Co ltd
Current assignee: Ycih No2 Water Resources And Hydropower Construction Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-08-20
Anticipated expiration: 2030-11-30

Abstract

The utility model discloses a pneumatic pick punches with automatic scram protect function, including the pneumatic pick main part, two difference fixed mounting have operating handle, left about pneumatic pick main part upper end operating handle's upper end fixed mounting has starting switch, the bottom of pneumatic pick main part is inlayed and is had the pick borer, the pick borer passes through torsion spring looks fixed connection with the pneumatic pick main part, be equipped with the air vent that two symmetries set up in the inner wall of pneumatic pick main part. The utility model discloses a scram protection mechanism and radiator unit's setting not only can accomplish the real-time heat dissipation treatment to the pick borer in the pick that punches, the produced heat of effectual reduction pick borer operation, and when the temperature of pick borer department appears unusually, through the starting switch of a series of reaction self-closing pick that punches to realized the processing of automatic emergency protection, the effectual life who prolongs the pick that punches.

Description

Punching pneumatic pick with automatic emergency stop protection function

Technical Field

The utility model relates to a pneumatic pick technical field that punches especially relates to a pneumatic pick that punches with automatic scram protect function.

Background

The drilling pneumatic pick is applied to mining, roadway tunneling and various rock drilling operations, is a machine tool in metallurgy, coal, railway, traffic, water conservancy, capital construction and national defense stone square engineering, is suitable for wet drilling operation of medium-hard or hard rocks, has a muzzle diameter of 34-42mm and a drilling depth of 5m, and has superior performance due to the adoption of mechanisms such as air-water linkage, rapid return of air legs, air pressure adjustment and the like, and is reliable to use and convenient to operate.

The long-time use of current pneumatic pick that punches can lead to the pick borer to locate the heat production too much, influences the normal operating of the inside electrical components of pneumatic pick that punches, can shorten the life of pneumatic pick that punches when serious, consequently urgently needs a pneumatic pick that punches with automatic scram protect function.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that long-time operation that exists leads to borer department heat production too much to influence the normal use of the pneumatic pick that punches among the prior art, and the pneumatic pick that punches with automatic scram protect function that proposes, not only can accomplish the real-time thermal treatment to the interior pneumatic pick borer of punching, the produced heat of effectual reduction pneumatic pick operation, and when the temperature of pneumatic pick department appears unusually, the starting switch of the pneumatic pick that punches through a series of reaction self-closing, thereby the processing of automatic emergency protection has been realized, the effectual life who prolongs the pneumatic pick that punches.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a punching air pick with an automatic emergency stop protection function comprises an air pick main body, wherein an operating handle is fixedly mounted on the left side and the right side of the upper end of the air pick main body respectively, a starting switch is fixedly mounted on the upper end of the left side of the operating handle, a pick drill rod is embedded at the bottom of the air pick main body and fixedly connected with the air pick main body through a torsion spring, two symmetrically-arranged air holes are formed in the inner wall of the air pick main body, the two air holes and the pick drill rod are provided with the same heat dissipation assembly, the same emergency stop protection mechanism is arranged on the air pick main body, the left operating handle, the starting switch and the pick drill rod, real-time heat dissipation treatment on the pick drill rod in the punching air pick can be completed, heat generated by operation of the pick drill rod is effectively reduced, and when the temperature of the pick drill rod is abnormal, the starting switch of the punching air pick is automatically closed through a series of reactions, therefore, the automatic emergency protection processing is realized, and the service life of the punching pneumatic pick is effectively prolonged.

Preferably, an air inlet joint pipe is communicated with the outer wall of the left side of the air pick main body.

Preferably, the heat dissipation assembly comprises a first dust blocking net fixedly installed in a vent hole on the left side, a second dust blocking net and a fan are fixedly installed in the vent hole on the right side, the two vent holes are arranged right opposite to the upper end of the pick drill rod, and the heat dissipation assembly achieves real-time heat dissipation treatment of the pick drill rod in the drilling pick.

Preferably, the emergency stop protection mechanism comprises a first operation cavity arranged in the inner wall of the left side of the air pick main body, a second operation cavity is arranged in the left operation handle, the second operation cavity is communicated with the first operation cavity, an emergency hole is arranged at the upper end of the left operation handle, the emergency hole is arranged under the touch position of the starting switch, the emergency hole is communicated with the second operation cavity, an operation barrel is fixedly arranged at the bottom of the first operation cavity, a sliding plug is connected with the operation barrel in a sliding and sealing manner, an ejector rod is fixedly arranged at the upper end of the sliding plug and penetrates through the top surface of the operation barrel in a sliding manner, a pulley seat is fixedly arranged on the inner wall of the left side of the first operation cavity, a pulley is rotatably connected onto the pulley seat, a constant force spring is fixedly arranged on the inner wall of the left side of the second operation cavity, and a balance block is fixedly arranged at the other end of the constant force, the lower extreme of balancing piece and the bottom surface sliding connection in second operation chamber, the upper end fixed mounting of balancing piece has elasticity to the pole, the upper end of elasticity supports the top surface sliding connection in pole and second operation chamber, fixed mounting has the lifting rope on the right side outer wall of balancing piece, the lifting rope twines on the pulley, the lifting rope other end and ejector pin knot mutually, and scram protection mechanism's setting can carry out the self-closing starting switch to the pick that punches of temperature anomaly and handle.

Preferably, a guide hole is formed in the inner wall of the air pick main body on the left side of the top surface of the pick drill rod, the left side of the guide hole is communicated with the outer wall of the operation barrel, and a heat conducting sheet is fixedly mounted in the guide hole.

Preferably, the surface of the operating handle is provided with anti-skid lines.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a setting up of radiator unit has realized the real-time heat dissipation treatment to the pick borer in the pneumatic pick that punches, and the produced heat of effectual reduction pick borer operation has guaranteed the normal operating of the inside electrical components of pneumatic pick that punches.

2. The utility model discloses a setting of scram protection mechanism can carry out self-closing starting switch to the temperature anomaly's the pneumatic pick that punches and handle to the heat is as the driving source, thereby has realized the starting switch of the pneumatic pick that punches of self-closing after a series of reactions, thereby has realized the processing of automatic emergency protection, the effectual life who prolongs the pneumatic pick that punches.

Drawings

Fig. 1 is a schematic structural view of a punching pick with an automatic emergency stop protection function according to the present invention;

fig. 2 is a schematic view of an external structure of a drilling pneumatic pick with an automatic emergency stop protection function according to the present invention;

fig. 3 is a schematic structural view of a fan in a drilling pick with an automatic emergency stop protection function according to the present invention;

FIG. 4 is an enlarged schematic view at A of FIG. 1;

fig. 5 is an enlarged schematic view of fig. 1 at B.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-5, an embodiment of the present invention discloses a perforating pick with an automatic emergency stop protection function, which comprises a pick body 1, wherein an operating handle 2 is fixedly installed on each of the left and right sides of the upper end of the pick body 1, anti-slip patterns are arranged on the surface of the operating handle 2, the friction force generated when an operator holds the operating handle 2 by hand is increased by the arrangement of the anti-slip patterns, and the accidental falling is avoided, a starting switch 3 is fixedly installed on the upper end of the left operating handle 2, a pick rod 4 is embedded at the bottom of the pick body 1, the pick rod 4 is fixedly connected with the pick body 1 through a torsion spring 5, two symmetrically arranged vent holes 6 are arranged in the inner wall of the pick body 1, the same heat dissipation assembly is arranged on the two vent holes 6 and the pick rod 4, the same heat dissipation assembly is arranged on the pick body 1, the left operating handle 2, the starting switch 3 and the same emergency stop protection mechanism are arranged on the pick rod 4, an air inlet connector pipe 7 is communicated with the outer wall of the left side of the air pick main body 1, and the air inlet connector pipe 7 is connected with an external air pick air source and used for conveying air so as to provide power for the operation of the pick drill rod 4.

Wherein, radiator unit includes the first dirt net 8 that hinders of fixed mounting in left side air vent 6, fixed mounting has the second to hinder dirt net 9 and fan 10 in the air vent 6 on right side, two air vents 6 are all just setting up the upper end part of pick borer 4, the dust that the during operation produced of pick main part 1 was avoided in entering into pick main part 1 in the setting of first dirt net 8 that hinders and second hinders dirt net 9, the purity of circulation cooling air has been guaranteed, the model that fan 10 produced for brilliant high-low voltage electrical apparatus factory is 150FZY power frequency axial fan.

Wherein, the emergency stop protection mechanism comprises a first operation cavity 11 arranged in the inner wall of the left side of the air pick main body 1, a second operation cavity 13 is arranged in the left operation handle 2, the second operation cavity 13 is communicated with the first operation cavity 11, an emergency hole 14 is arranged at the upper end of the left operation handle 2, the emergency hole 14 is arranged under the touch position of the starting switch 3, the emergency hole 14 is communicated with the second operation cavity 13, an operation cylinder 15 is fixedly arranged at the bottom of the first operation cavity 11, the operation cylinder 15 is filled with evaporation liquid, the evaporation liquid is selected correspondingly according to the air pick main bodies of different models, a sliding plug is connected in the operation cylinder 15 in a sliding and sealing manner, an ejector rod 16 is fixedly arranged at the upper end of the sliding plug, the ejector rod 16 is arranged by sliding to penetrate through the top surface of the operation cylinder 15, a pulley seat is fixedly arranged on the inner wall of the left side of the first operation cavity 11, and a pulley 17 is rotatably connected on the pulley seat, the constant force spring 18 is fixedly installed on the inner wall of the left side of the second operation cavity 13, the balance block 19 is fixedly installed at the other end of the constant force spring 18, the lower end of the balance block 19 is in sliding connection with the bottom surface of the second operation cavity 13, the sliding connection here is the prior art and is not described in much detail, the elastic abutting rod 20 is fixedly installed at the upper end of the balance block 19, the area of the top of the elastic abutting rod 20 is smaller than that of the emergency hole 14, the elastic abutting rod 20 at the moment is in a compressed state, the upper end of the elastic abutting rod 20 is in sliding connection with the top surface of the second operation cavity 13, the sliding connection here is the prior art and is not described in much detail here, the lifting rope 12 is fixedly installed on the outer wall of the right side of the balance block 19, the length of the lifting rope 12 is fixed, the lifting rope 12 is wound on the pulley 17, and the other end of the lifting rope 12 is tied with the ejector rod 16.

More specifically, a guide hole 21 is arranged in the inner wall of the air pick main body 1 at the left side of the top surface of the pick rod 4, the left side of the guide hole 21 is communicated with the outer wall of the operation barrel 15, a heat conducting sheet 22 is fixedly arranged in the guide hole 21, the arrangement of the heat conducting sheet 22 transmits the real-time temperature at the top surface of the pick rod 4 to the operation barrel 15, and the operation barrel 15 has good heat conductivity.

In the utility model, when the air pick main body 1 works, the fan 10 is synchronously opened, the fan 10 can suck the outside gas through the right vent hole 6 and then discharge the heat-dissipating and cooling air to the top surface part of the air pick 4 through the left vent hole 6, thereby completing the circulation of the cooling gas, the first dust blocking net 8 and the second dust blocking net 9 which are fixedly arranged in the vent holes 6 at the left side and the right side can prevent the dust generated when the air pick main body 1 works from entering the air pick main body 1, thereby ensuring the purity of the circulating and cooling air, when the air pick main body 1 works for a long time, the temperature of the air pick 4 is abnormally high, then the temperature at the top surface of the air pick 4 can be transmitted to the operating barrel 15 through the heat conducting sheet 22 in the guide hole 21, and under the condition of normal temperature, the constant force spring 18 is in a stretching state, the balance block 19, the lifting rope 12 and the ejector rod 16 are in a balanced state, in the balanced state, the elastic resisting rod 20 is in a compressed state, and the length of the lifting rope 12 is fixed, so that when the heat conducting strip 22 is transmitted to the operating cylinder 15, the evaporated liquid in the operating cylinder 15 reaches a boiling point and reacts to generate gas to push the sliding plug to drive the ejector rod 16 to move upwards, and the balanced state of the constant force spring 18, the balance block 19, the lifting rope 12 and the ejector rod 16 is broken, then the ejector rod 16 drives the lifting rope 12 to move upwards, so that the constant force spring 18 and the balance block 19 both move leftwards, in the process, the elastic resisting rod 20 at the upper end of the balance block 19 always slides on the top surface of the second operating cavity 13 until the elastic resisting rod 20 slides to the emergency hole 14, at the moment, the elastic resisting rod 20 releases the compressed state, moves upwards from the emergency hole 14, so that the starting switch 3 in operation is upwards resisted, the starting switch 3 is closed, and the emergency protection treatment of the air pick main body 1 is realized, the service life of the punching pneumatic pick is effectively prolonged.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a pick that punches with automatic scram protect function, includes pick main part (1), its characterized in that, both sides are fixed mounting respectively on the left and right sides of pick main part (1) upper end have operating handle (2), left the upper end fixed mounting of operating handle (2) has starting switch (3), the bottom of pick main part (1) is inlayed and is had pick borer (4), pick borer (4) and pick main part (1) are through torque spring (5) looks fixed connection, be equipped with air vent (6) that two symmetries set up in the inner wall of pick main part (1), two be equipped with same radiator unit on air vent (6) and pick borer (4), be equipped with same scram protection mechanism on pick main part (1), left operating handle (2), starting switch (3) and pick borer (4).

2. The perforating air pick with the automatic scram protection function according to claim 1, characterized in that an air inlet joint pipe (7) is communicated with the left outer wall of the air pick body (1).

3. The perforating pneumatic pick with the automatic scram protection function as claimed in claim 1, wherein the heat dissipation assembly comprises a first dust blocking net (8) fixedly installed in the left vent hole (6), a second dust blocking net (9) and a fan (10) are fixedly installed in the right vent hole (6), and both vent holes (6) are arranged opposite to the upper end portion of the pick rod (4).

4. The perforating pneumatic pick with the automatic emergency stop protection function according to claim 1, wherein the emergency stop protection mechanism comprises a first operation cavity (11) arranged in the inner wall of the left side of the pneumatic pick body (1), a second operation cavity (13) is arranged in the left side of the operation handle (2), the second operation cavity (13) is communicated with the first operation cavity (11), an emergency hole (14) is arranged at the upper end of the left side of the operation handle (2), the emergency hole (14) is arranged right below the touch position of the start switch (3), the emergency hole (14) is communicated with the second operation cavity (13), an operation barrel (15) is fixedly arranged at the bottom of the first operation cavity (11), a sliding plug is connected in the operation barrel (15) in a sliding and sealing manner, an ejector rod (16) is fixedly arranged at the upper end of the sliding plug, and the ejector rod (16) is arranged to slide through the top surface of the operation barrel (15), fixed mounting has a pulley block on the left side inner wall of first operation chamber (11), it is connected with pulley (17) to rotate on the pulley block, fixed mounting has constant force spring (18) on the left side inner wall of second operation chamber (13), the other end fixed mounting of constant force spring (18) has balancing piece (19), the lower extreme of balancing piece (19) and the bottom surface sliding connection of second operation chamber (13), the upper end fixed mounting of balancing piece (19) has elasticity to support pole (20), the upper end of elasticity to support pole (20) and the top surface sliding connection of second operation chamber (13), fixed mounting has lifting rope (12) on the right side outer wall of balancing piece (19), lifting rope (12) twine on pulley (17), the lifting rope (12) other end and ejector pin (16) knot mutually.

5. The perforating pneumatic pick with the automatic emergency stop protection function according to claim 4, characterized in that a guide hole (21) is arranged in the inner wall of the main body (1) of the pneumatic pick on the left side of the top surface of the pick rod (4), the left side of the guide hole (21) is communicated with the outer wall of the operation barrel (15), and a heat-conducting fin (22) is fixedly arranged in the guide hole (21).

6. The perforating air pick with the automatic scram protection function as claimed in claim 1, wherein the surface of the operating handle (2) is provided with anti-slip lines.