Accurate interval quick charging tamping bar

Abstract

The utility model belongs to the technical field of blasting, and relates to an accurate interval quick charging tamping bar. The charging tamping bar comprises a tamping bar body and a gun barrel handle fixedly arranged at one end of the tamping bar body. The tamping bar main body is a semicircular hollow pipe; a first push rod and a second push rod are arranged in the semicircular hollow pipe; the first push rod is arranged above the second push rod, and a spring is arranged between the first push rod and the second push rod; a sliding rail penetrating through the semicircular hollow pipe is fixedly arranged in the semicircular hollow pipe; a plurality of limiting sliding assemblies are arranged on the sliding track; an explosive cartridge is arranged on each limiting sliding assembly; the limiting sliding assembly comprises a sliding assembly and a limiting mechanism; the first push rod is arranged above the second push rod; the gun barrel handle is of a hollow structure, and the first push rod enters the gun barrel handle. The position of the limiting assembly on the tamping bar body can be adjusted according to the length of a blast hole and a charging structure, and charging efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of blasting technique, and concretely relates to a precise interval quick charging cannon. BACKGROUND

[0002] In the process of underground mine roadway tunneling blasting operation, in order to reduce the damage of blasting to surrounding rock, reduce the support cost, and guarantee the safety of the roadway, the smooth blasting method is often used. The traditional smooth blasting mainly adopts the standard pipe diameter (32mm) plus the segmented interval charging structure of the detonating cord. This charging method is simple, directly adopts the standard diameter, and according to the explosive concentration, several segments of the explosive package are uniformly arranged in the blast hole according to a certain interval, and the detonating cord is generally used for one-time initiation. This structure is simple in construction and strong in universality, and is the mainstream smooth blasting method for present tunneling blasting operation.

[0003] However, for the interval charging, the interval distance is very accurate when charging, and the most used method is to make marks on the cannon, and then charge according to the interval distance. UTILITY MODEL CONTENTS

[0004] In order to solve the above technical problems, the utility model provides a precise interval quick charging cannon, which comprises a cannon main body and a cannon barrel handle fixedly arranged at one end of the cannon main body.

[0005] A first push rod and a second push rod are arranged in the semicircular hollow pipe.

[0006] A sliding track penetrating the semicircular hollow pipe is fixedly arranged in the semicircular hollow pipe.

[0007] Each limiting sliding assembly is provided with an explosive cartridge.

[0008] The limiting sliding assembly comprises a sliding assembly and a limiting mechanism.

[0009] The first push rod is arranged above the second push rod, and a spring is arranged between the first push rod and the second push rod.

[0010] The second push rod is fixedly arranged at the bottom of the sliding assembly.

[0011] On the basis of the above technical solutions, the utility model further can make improvement as follows.

[0012] Further, the sliding assembly is a hollow structure, and the second push rod is arranged inside the sliding assembly and at the bottom of the sliding assembly.

[0013] Further, the limiting mechanism is a combined buckle assembly, the combined buckle assembly comprises a first buckle member and a second buckle member, the first end of the first buckle member is fixed on one side of the opening of the sliding assembly, the first end of the second buckle member is fixed on the other side of the opening of the sliding assembly, the second end of the first buckle member and the second end of the second buckle member are both clamping hooks, the clamping hook of the first buckle member is connected with the clamping hook of the second buckle member, and the first push rod is arranged at the opening and contacts the first buckle member and the second buckle member.

[0014] Further, the limiting mechanism is a single buckle assembly, the first end of the single buckle assembly is fixed on one side of the opening of the sliding assembly, the second end of the single buckle assembly is provided with a clamping hook, the other side of the opening of the sliding assembly is provided with a clamping body, the clamping body is provided with a clamping hole, and the clamping hook penetrates into the clamping hole.

[0015] Further, the first end of the limiting mechanism is fixedly arranged on the first fixed plate, and the second end of the limiting mechanism is fixedly arranged on the second fixed plate.

[0016] Further, the first push rod is arranged outside the opening of the sliding assembly.

[0017] Further, the semicircular hollow pipe is provided with a scale plate.

[0018] Further, the sliding assembly is provided with a handle.

[0019] Further, the barrel handle is a hollow structure, the first push rod enters the barrel handle, the barrel handle is provided with a push rod button and an opening, and the push rod button penetrates through the opening to reach the top of the first push rod.

[0020] Further, a return spring is arranged between the push rod button and the first push rod.

[0021] The utility model has the advantages that the utility model can adjust the position of the limiting assembly on the barrel main body according to the length of the blast hole and the charging structure, the cartridge is clamped on the limiting assembly, the hollow surface of the barrel main body faces downward, is inserted into the blast hole, the push rod button is pressed immediately, the cartridge is quickly and accurately dropped into the blast hole, and the charging efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a whole structure schematic view of a precise interval quick charging barrel.

[0023] Figure 2A sectional view of a limiting sliding assembly;

[0024] Figure 3 A sectional view of a limiting sliding assembly of an alternative embodiment;

[0025] Figure 4 A sectional view of a limiting sliding assembly of an alternative embodiment;

[0026] Figure 5 A sectional view of a limiting sliding assembly of an alternative embodiment;

[0027] Figure 6 A schematic view of the overall structure of a semicircular hollow tube provided with a scale plate;

[0028] Figure 7 A sectional view of a limiting sliding assembly provided with a handle on the sliding assembly.

[0029] Icon: 1 - cannon body; 101 - scale plate; 2 - cannon barrel handle; 3 - sliding rail; 401 - sliding assembly; 402 - limiting mechanism; 403 - first push rod; 404 - second push rod; 405 - spring; 4011 - handle; 4021 - first buckle; 4022 - second buckle; 4051 - first fixed plate; 4052 - second fixed plate; 5 - explosive cartridge; 6 - push rod button. DETAILED DESCRIPTION

[0030] To make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0031] As shown in the drawings, Figure 1 To solve the above technical problems, the present embodiment provides a precise interval rapid charging cannon, which comprises a cannon body 1 and a cannon barrel handle 2 fixedly arranged at one end of the cannon body 1; the cannon body 1 is a semicircular hollow tube;

[0032] As shown in the drawings, Figure 2 The semicircular hollow tube is fixedly provided with a sliding rail 3 penetrating through the semicircular hollow tube; the sliding rail 3 is provided with a plurality of limiting sliding assemblies; each limiting sliding assembly is provided with an explosive cartridge 5;

[0033] The limiting sliding assembly comprises a sliding assembly 401 and a limiting mechanism 402; the top of the sliding assembly 401 is provided with an opening parallel to the sliding rail 3; the limiting mechanism 402 is fixedly arranged on both sides of the opening of the sliding assembly 401;

[0034] The first push rod 403 and the second push rod 404 are arranged in the opening; the first push rod 403 is arranged above the second push rod 404, and a spring 405 is arranged between the first push rod 403 and the second push rod 404;

[0035] The second push rod 404 is fixedly arranged at the bottom of the sliding assembly 401; the first push rod 403 is connected to the top of the second push rod 404 through the spring 405; the side of the first push rod 403 away from the spring 405 is in contact with the limiting mechanism 402;

[0036] The barrel handle 2 is a hollow structure, and the first push rod 403 enters the barrel handle 2; the barrel handle 2 is provided with a push rod button 6 and an opening; the push rod button 6 passes through the opening to reach the top of the first push rod 403.

[0037] In actual application, by arranging each limiting sliding assembly, an operator only needs to slide each limiting sliding assembly to adjust the position of each cartridge;

[0038] The operator presses the push rod button 6 of the barrel handle, and the first push rod opens the limiting assembly under the pushing force of the spring; after the limiting assembly is opened, the first push rod pushes the cartridge out.

[0039] After the first push rod is pushed out, the position of the first push rod is reset by pressing the push rod button of the barrel handle; the spring between the first push rod and the second push rod is shortened under the pressure applied by pressing, and the position of the first push rod returns to the position before being pushed out, so that the operator can operate the barrel body again.

[0040] In actual application, first, the position of the limiting assembly on the barrel body is determined according to the length of the blast hole and the charging structure; the cartridge is clamped on the limiting assembly, the hollow surface of the barrel body faces downward, and is inserted into the blast hole; then the push rod button is pressed, the cartridge falls into the blast hole, and then the barrel is pulled out.

[0041] As an optional embodiment, the sliding assembly 401 is a hollow structure; the second push rod 404 is arranged inside the sliding assembly 401 and at the bottom of the sliding assembly 401.

[0042] As an optional embodiment, as shown in FIG. 2, the sliding assembly 401 is a hollow structure; the second push rod 404 is arranged inside the sliding assembly 401 and at the bottom of the sliding assembly 401. Figure 3As shown in the figure, the limiting mechanism is a combined buckle assembly; the combined buckle assembly includes a first buckle member 4021 and a second buckle member 4022; the first end of the first buckle member 4021 is fixed on one side of the opening of the sliding assembly 401, and the first end of the second buckle member 4022 is fixed on the other side of the opening of the sliding assembly 401; the second end of the first buckle member 4021 and the second end of the second buckle member 4022 are both hooks, and the hook of the first buckle member 4021 is connected with the hook of the second buckle member 4022; the first push rod 403 is arranged at the opening and in contact with the first buckle member 4021 and the second buckle member 4022.

[0043] As an optional embodiment, as shown in the accompanying Figure 4 As shown in the figure, the limiting mechanism 402 is a single buckle assembly; the first end of the single buckle assembly is fixed on one side of the opening of the sliding assembly 401, and the second end of the single buckle assembly is provided with a hook; the other side of the opening of the sliding assembly 401 is provided with a clamping body; the clamping body is provided with a clamping hole; the hook penetrates into the clamping hole.

[0044] As an optional embodiment, as shown in the accompanying Figure 5 As shown in the figure, the top of the sliding assembly 401 is provided with a first fixed plate 4051 on one side of the opening, and a second fixed plate 4052 on the other side of the opening; the first end of the limiting mechanism 402 is fixedly arranged on the first fixed plate 4051; the second end of the limiting mechanism 402 is fixedly arranged on the second fixed plate 4052.

[0045] By arranging the first fixed plate and the second fixed plate, the fixing effect of the limiting mechanism is improved.

[0046] As an optional embodiment, as shown in the accompanying Figure 2 As shown in the figure, the first push rod 403 is arranged outside the opening of the sliding assembly 401.

[0047] By arranging the first push rod 403 outside the opening of the sliding assembly 401, it is ensured that the first push rod 403 is ejected to the position of the cartridge outside the opening under the action of the spring, and the cartridge is ejected.

[0048] As an optional embodiment, as shown in the accompanying Figure 6 As shown in the figure, the semicircular hollow pipe is provided with a scale plate 101.

[0049] The scale plate is marked with fine scales, and the operator pushes each sliding assembly to the corresponding scale position to accurately determine the loading position.

[0050] As an optional embodiment, as shown in the accompanying Figure 7 As shown in the figure, the sliding assembly 401 is provided with a handle 4011.

[0051] The operator pushes each sliding assembly to move by the handle to adjust the loading position.

[0052] As an optional implementation, the push rod button is provided with a reset spring between the first push rod 403.

[0053] The reset spring has an elastic force on the push rod button, and can have a tendency to restore before pressing after the push rod button is pressed down.

[0054] The above is only a preferred embodiment of the present application, and is not used to limit the present application. For those skilled in the art, the present application can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A precision-interval, rapid-loading gun barrel, characterized in that, It includes a cannon barrel body (1) and a cannon handle (2) fixedly installed at one end of the cannon barrel body (1); the cannon barrel body (1) is a semi-circular hollow tube; A sliding track (3) is fixedly installed inside the semi-circular hollow tube; several limiting sliding components are installed on the sliding track (3); explosive cartridges (5) are installed on each limiting sliding component. The limiting sliding assembly includes a sliding assembly (401) and a limiting mechanism (402); the top of the sliding assembly (401) is provided with an opening parallel to the sliding track (3); the limiting mechanism (402) is fixedly disposed on both sides of the opening of the sliding assembly (401); A first push rod (403) and a second push rod (404) are provided inside the opening; the first push rod (403) is located above the second push rod (404), and a spring (405) is provided between the first push rod (403) and the second push rod (404). The second push rod (404) is fixedly installed at the bottom of the sliding assembly (401); the first push rod (403) is connected to the top of the second push rod (404) through a spring (405); the side of the first push rod (403) away from the spring (405) is in contact with the limiting mechanism (402); The barrel handle (2) is a hollow structure, and the first push rod (403) enters the barrel handle (2); the barrel handle (2) is provided with a push rod button (6) and an opening; the push rod button (6) passes through the opening to reach the top of the first push rod (403).

2. The precise interval rapid-loading gun barrel according to claim 1, characterized in that, The sliding component (401) has a hollow structure; the second push rod (404) is located inside the sliding component (401) and at the bottom of the sliding component (401).

3. The precise interval rapid-loading gun barrel according to claim 1, characterized in that, The limiting mechanism (402) is a combination buckle assembly; the combination buckle assembly includes a first buckle (4021) and a second buckle (4022); the first end of the first buckle (4021) is fixed to one side of the opening of the sliding assembly (401), and the first end of the second buckle (4022) is fixed to the other side of the opening of the sliding assembly (401); the second end of the first buckle (4021) and the second end of the second buckle (4022) are both hooks, and the hooks of the first buckle (4021) and the hooks of the second buckle (4022) are connected; the first push rod (403) is set at the opening and contacts the first buckle (4021) and the second buckle (4022).

4. The precise interval rapid-loading gun barrel according to claim 1, characterized in that, The limiting mechanism (402) is a single buckle assembly; the first end of the single buckle assembly is fixed to one side of the opening of the sliding assembly (401), and the second end of the single buckle assembly is provided with a hook; a card body is provided on the other side of the opening of the sliding assembly (401); a card hole is provided on the card body; the hook is inserted into the card hole.

5. The precise interval rapid-loading gun barrel according to claim 1, characterized in that, The top of the sliding assembly (401) is provided with a first fixing plate (4051) on one side of the opening and a second fixing plate (4052) on the other side of the opening; the first end of the limiting mechanism (402) is fixedly disposed on the first fixing plate (4051); the second end of the limiting mechanism is fixedly disposed on the second fixing plate (4052).

6. The precise interval rapid-loading gun barrel according to claim 1, characterized in that, The first push rod (403) is located outside the opening of the sliding assembly (401).

7. The precise interval rapid-loading gun barrel according to claim 1, characterized in that, A scale plate (101) is installed inside the semi-circular hollow tube.

8. The precise interval rapid-loading gun barrel according to claim 1, characterized in that, A handle (4011) is provided on the sliding component (401).

9. The precise interval rapid-loading gun barrel according to claim 1, characterized in that, The barrel handle (2) is equipped with a push rod button and an opening; the push rod button passes through the opening to reach the top of the first push rod (403).

10. The precise interval rapid-loading gun barrel according to claim 9, characterized in that, A reset spring is provided between the push button and the first push rod (403).

Images