CN210603011U

CN210603011U - Tunnel excavation smooth blasting device

Info

Publication number: CN210603011U
Application number: CN201921230633.6U
Authority: CN
Inventors: 黄昕旭
Original assignee: Anhui University of Science and Technology
Current assignee: Anhui University of Science and Technology
Priority date: 2019-08-01
Filing date: 2019-08-01
Publication date: 2020-05-22
Anticipated expiration: 2029-08-01

Abstract

The utility model discloses a smooth surface blasting device is excavated in tunnel, the camera includes a supporting plate, the middle part fixed mounting on backup pad top has first pneumatic cylinder, the top fixedly connected with support frame of first pneumatic cylinder, the top fixed mounting of support frame has the mounting panel, the one end fixed mounting of mounting panel bottom has the second pneumatic cylinder, the sliding tray has been seted up to the other end of mounting panel bottom, the inside sliding connection of sliding tray has the sliding block, one side of sliding block and the one end fixed connection of second pneumatic cylinder. The utility model discloses an effort between first spring and the second spring cushions the effort of during operation to the second pneumatic cylinder, the better second pneumatic cylinder that has protected, has prolonged the working life of second pneumatic cylinder, and buffer will offset the vibrations of explosive box through buffer spring's effect, has prevented the mutual collision between the inside explosive of explosive box to avoid the emergence of incident, improved the security.

Description

Tunnel excavation smooth blasting device

Technical Field

The utility model relates to a blasting equipment technical field especially relates to a smooth surface blasting device is excavated in tunnel.

Background

Smooth blasting refers to a controlled blasting technology which is characterized in that blasting parameters are correctly selected, partition and subsection differential blasting is performed, the contour line after blasting meets the design requirement, and the face-to-face flatness is regular.

Aiming at the defects of the prior art, people improve the prior art, for example, Chinese utility model patent No. CN207622625U discloses a tunnel excavation smooth blasting device, which comprises an explosive placing box, an ocular, a first electromagnetic valve, a second electromagnetic valve, a guide rail, a drill bit, a first hydraulic cylinder, a second hydraulic cylinder, a mounting plate, a third hydraulic cylinder, a motor, a bracket, a guide pipe, a push block and a push rod, wherein the mounting plate is controlled to ascend by the first hydraulic cylinder, so that the drill bit ascends, the punching height is controlled, the motor is fixed by a movable block, the motor is controlled to move by the guide rail and the third hydraulic cylinder, so that the drilling depth is controlled, the input quantity of the explosive is accurately controlled by the first electromagnetic valve and the second electromagnetic valve, the blasting degree is controlled, the explosive is pushed into the second hydraulic cylinder, the push block and the push rod, and waterproof paint is used for preventing water vapor in the tunnel from entering the explosive, the device can effectively control the input quantity of the explosive, control the explosive explosion degree, integrate punching and explosive filling into a whole and improve the working efficiency; although can solve above technical problem, it is very big at the during operation motor vibrations, not only cause the harm to the second pneumatic cylinder easily, make the explosive place the collision between the inside explosive of case easily moreover, cause the potential safety hazard easily.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, an object of the utility model is to provide a smooth surface blasting device is excavated in tunnel, protection device that can be better, long service life, factor of safety is high.

According to the embodiment of the utility model, the tunnel excavation smooth blasting device comprises a support plate, wherein a first hydraulic cylinder is fixedly arranged in the middle of the top end of the support plate, a support frame is fixedly connected to the top of the first hydraulic cylinder, a mounting plate is fixedly arranged at the top of the support frame, a second hydraulic cylinder is fixedly arranged at one end of the bottom of the mounting plate, a sliding groove is arranged at the other end of the bottom of the mounting plate, a sliding block is slidably connected inside the sliding groove, one side of the sliding block is fixedly connected with one end of the second hydraulic cylinder, a first spring and a second spring which are positioned inside the sliding groove are respectively and fixedly connected to the two sides of the sliding block, a transmission motor is fixedly arranged at the bottom of the sliding block, a drill bit is fixedly connected to an output shaft of the transmission motor through a, the utility model discloses a safety device for a medical instrument, including buffer, first pneumatic cylinder, second pneumatic cylinder, baffle box, push rod, buffer, one end fixedly connected with push rod, the inside fixed mounting of buffer has the third pneumatic cylinder, the outside fixed mounting of third pneumatic cylinder is equipped with the passage, the one end fixedly connected with push block that the one end fixedly connected with of third pneumatic cylinder is located the inside push rod of passage, the one end fixedly connected with ejector pad that the third pneumatic cylinder was kept away from to the push rod, buffer's top fixed mounting has the explosive box, the explosive box bottom is equipped with the connecting pipe with the passage intercommunication, the connecting pipe.

Preferably, the buffer device comprises a buffer cylinder, the buffer cylinder is located at the top of the mounting plate, symmetrical sliding grooves are formed in the buffer cylinder, a supporting rod is sleeved in the buffer cylinder in a movable mode, a sliding block matched with the sliding grooves is arranged on the side face of the bottom of the supporting rod, a buffer spring is fixedly connected to the bottom of the supporting rod, and the top of the supporting rod is fixedly connected with the bottom of the medicine storage box.

Preferably, four corners of the bottom of the supporting plate are fixedly provided with universal wheels.

Preferably, the sliding groove is a dovetail groove.

Preferably, the first spring and the second spring are both tension springs.

The utility model provides a beneficial effect is: through the effort between first spring and the second spring, cushion the effort of during operation to the second pneumatic cylinder, the better second pneumatic cylinder that has protected has prolonged the working life of second pneumatic cylinder, and buffer will offset the vibrations of explosive box through buffer spring's effect, has prevented the mutual collision between the inside explosive of explosive box to avoid the emergence of incident, improved the security.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a tunnel excavation smooth blasting device provided by the present invention;

fig. 2 is a sectional view of a tunnel-digging smooth blasting device according to the present invention;

fig. 3 is a right side view of fig. 1 of a tunnel-digging smooth blasting device according to the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 2 of the tunnel excavation smooth blasting device provided by the present invention;

fig. 5 is an enlarged schematic view of a portion B in fig. 2 of the tunnel excavation smooth blasting device provided by the present invention.

In the figure: the automatic feeding device comprises a support plate 1, a first hydraulic cylinder 2, a support frame 3, a mounting plate 4, a second hydraulic cylinder 5, a sliding chute 6, a sliding block 7, a first spring 8, a second spring 9, a transmission motor 10, a drill bit 11, a buffer device 12, a buffer cylinder 121, a sliding chute 122, a support rod 123, a sliding block 124, a buffer spring 125, a third hydraulic cylinder 13, a material guide pipe 14, a push rod 15, a push block 16, a medicine storage box 17, a connecting pipe 18, a first electromagnetic valve 19, a second electromagnetic valve 20 and a universal wheel 21.

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.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element 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.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-5, a tunnel excavation smooth blasting device comprises a supporting plate 1, universal wheels 21 are fixedly mounted at four corners of the bottom of the supporting plate 1, so as to facilitate the movement of the device, a first hydraulic cylinder 2 is fixedly mounted at the middle part of the top end of the supporting plate 1, a supporting frame 3 is fixedly connected to the top of the first hydraulic cylinder 2, a mounting plate 4 is fixedly mounted at the top of the supporting frame 3, a second hydraulic cylinder 5 is fixedly mounted at one end of the bottom of the mounting plate 4, a sliding groove 6 is formed at the other end of the bottom of the mounting plate 4, the sliding groove 6 is a dovetail groove, a sliding block 7 is slidably connected inside the sliding groove 6, one side of the sliding block 7 is fixedly connected with one end of the second hydraulic cylinder 5, a first spring 8 and a second spring 9 which are positioned inside the sliding groove 6 are fixedly connected to two sides of the sliding block 7 respectively, the first spring, the tension between the first spring 8 and the second spring 9 is the same, so that the sliding block 7 can be relatively kept stable, the transmission motor 10 is fixedly installed at the bottom of the sliding block 7, the drill bit 11 is fixedly connected to an output shaft of the transmission motor 10 through a coupler, the buffering device 12 is fixedly connected to the top of the mounting plate 4, the buffering device 12 comprises a buffering cylinder 121, the buffering cylinder 121 is located at the top of the mounting plate 4, symmetrical sliding grooves 122 are formed in the buffering cylinder 121, a supporting rod 123 is movably sleeved in the buffering cylinder 121, a sliding block 124 matched with the sliding groove 122 is arranged on the side surface of the bottom of the supporting rod 123, a buffering spring 125 is fixedly connected to the bottom of the supporting rod 123, the top of the supporting rod 123 is fixedly connected with the bottom of the medicine storage box 17, when the transmission motor 10 works, the buffering device 12 counteracts the vibration of the medicine storage box 17 through the effect of the buffering spring 125, thereby the emergence of incident has been avoided, the security has been improved, buffer 12's inside fixed mounting has third pneumatic cylinder 13, the fixed cover in the outside of third pneumatic cylinder 13 is equipped with passage 14, the one end fixedly connected with of third pneumatic cylinder 13 is located the inside push rod 15 of passage 14, the one end fixedly connected with ejector pad 16 of third pneumatic cylinder 13 is kept away from to push rod 15, buffer 12's top fixed mounting has explosive box 17, explosive box 17 bottom is equipped with the connecting pipe 18 with passage 14 intercommunication, the connecting pipe 18 is equipped with first solenoid valve 19 and second solenoid valve 20 with the junction of explosive box 17 and passage 14 respectively, control the quantity of explosive through two solenoid valves, the ration is blasted the hole.

In conclusion, the tunnel excavation smooth blasting device buffers the acting force of the second hydraulic cylinder 5 during working through the acting force between the first spring 8 and the second spring 9, so that the second hydraulic cylinder 5 is better protected, the service life of the second hydraulic cylinder 5 is prolonged, the buffer device 12 counteracts the vibration of the medicine storage box 17 through the action of the buffer spring 125, and the mutual collision between the explosives in the medicine storage box 17 is prevented, so that the safety accident is avoided, and the safety is improved; the utility model discloses protection device that can be better, long service life, factor of safety is high.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

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 smooth blasting unit is excavated in tunnel which characterized in that: the hydraulic support comprises a support plate, wherein a first hydraulic cylinder is fixedly arranged in the middle of the top end of the support plate, a support frame is fixedly connected to the top of the first hydraulic cylinder, a mounting plate is fixedly arranged at the top of the support frame, a second hydraulic cylinder is fixedly arranged at one end of the bottom of the mounting plate, a sliding groove is formed in the other end of the bottom of the mounting plate, a sliding block is slidably connected inside the sliding groove, one side of the sliding block is fixedly connected with one end of the second hydraulic cylinder, a first spring and a second spring which are positioned inside the sliding groove are fixedly connected to the two sides of the sliding block respectively, a transmission motor is fixedly arranged at the bottom of the sliding block, a drill bit is fixedly connected to an output shaft of the transmission motor through a coupler, a buffer device is fixedly connected to the top of the mounting plate, a third hydraulic, the one end fixedly connected with of third pneumatic cylinder is located the inside push rod of passage, the one end fixedly connected with ejector pad of third pneumatic cylinder is kept away from to the push rod, buffer's top fixed mounting has the explosive box, the explosive box bottom is equipped with the connecting pipe with the passage intercommunication, the connecting pipe is equipped with first solenoid valve and second solenoid valve respectively with the junction of explosive box and passage.

2. The tunnel-excavating smooth blasting device according to claim 1, wherein: the buffer device comprises a buffer cylinder, the buffer cylinder is located at the top of the mounting plate, symmetrical sliding grooves are formed in the buffer cylinder, a supporting rod is sleeved in the buffer cylinder in a movable mode, a sliding block matched with the sliding grooves is arranged on the side face of the bottom of the supporting rod, a buffer spring is fixedly connected to the bottom of the supporting rod, and the top of the supporting rod is fixedly connected with the bottom of the medicine storage box.

3. The tunnel-excavating smooth blasting device according to claim 1, wherein: four corners of the bottom of the supporting plate are fixedly provided with universal wheels.

4. The tunnel-excavating smooth blasting device according to claim 1, wherein: the sliding groove is a dovetail groove.

5. The tunnel-excavating smooth blasting device according to claim 1, wherein: the first spring and the second spring are both tension springs.