Pneumatic crushing device for underground large gangues

Abstract

The utility model discloses a pneumatic crushing device for underground large gangues, which relates to the technical field of gangues crushing and comprises a connector and two wedge-shaped patches, through holes are arranged in the two wedge-shaped patches, the through holes are in the shape of a circular truncated cone which contracts downwards, the surface of the connector is fixedly connected with a baffle, and the surface of the connector is fixedly connected with the baffle. The bottom of the connector is fixedly connected with an inserting rod, the inserting rod is in a downwards-shrunk circular truncated cone shape, sliding grooves are formed in the surface of the inserting rod, and the sliding grooves are symmetrically distributed in the front face and the back face of the inserting rod. According to the utility model, firstly, a YT24 air hammer is matched with a 1000mm drill rod and a phi 30mm drill bit to drill an eye hole with the depth of 250mm on a large rock, then the two wedge-shaped patches are placed in the eye hole, then the insertion rod is inserted into a hole formed by the through holes of the two wedge-shaped patches, the air hammer is propped against the connector, and the wedge-shaped patches are tightly attached to the connector through the thrust generated by the vibration of the air hammer. And the insertion rod is driven to be driven out of the middle of the two wedge-shaped patches, so that the two wedge-shaped patches are opened towards the two sides to crush the rock.

Description

TECHNICAL FIELD

[0001] The utility model relates to gangue crushing technical field especially relates to underground large gangue pneumatic crushing device. BACKGROUND

[0002] At present, the drilling rig is used to drill and cooperate with ZWY-150 / 55L type excavating loader to load rock in underground, and the rock with diameter more than 400mm is easy to appear the phenomenon of jamming in the process of loading rock, the processing time is longer, the production is affected, in addition to the great direct economic loss to the production equipment, the production organization of construction team is also indirectly affected, when the hard rock is constructed, the large gangue is easy to appear in the blasting process, and the gangue operation of the working face is greatly affected, and the normal production organization of the working face is seriously restricted.

[0003] The underground large gangue pneumatic crushing device on the market adopts artificial sledgehammer crushing, and the efficiency is low, the labor intensity is large, or adopts pneumatic pick to crush, and the pneumatic pick is difficult to crush due to the high hardness coefficient of rock. UTILITY MODEL CONTENTS

[0004] The utility model discloses a underground large gangue pneumatic crushing device which solves the problem of the high hardness coefficient of rock and the difficulty of pneumatic pick in crushing.

[0005] In order to realize the above-mentioned purpose, the utility model discloses the following technical scheme: underground large gangue pneumatic crushing device, including connecting head and two wedge-shaped patches, the inside of two wedge-shaped patches is provided with through hole, and the shape of through hole is the circular truncated cone that contracts downwards, the surface of connecting head is fixedly connected with baffle, the bottom of connecting head is fixedly connected with plug rod, the shape of plug rod is the circular truncated cone that contracts downwards, the surface of plug rod is equipped with sliding groove, sliding groove is distributed in the front and back of plug rod, the shape of plug rod is adapted to through hole.

[0006] As a further description of the above technical scheme:

[0007] The bottom of the wedge-shaped patch is inlaid with a sliding ring, and the sliding rings are distributed at equal intervals.

[0008] As a further description of the above technical scheme:

[0009] The inner wall of the sliding ring is slidably connected with a crushing rod, and one end of the crushing rod is rotatably connected with a sliding bead.

[0010] As a further description of the above technical scheme:

[0011] The side surface of the wedge-shaped patch is rotatably connected with a crushing plate, and the wedge-shaped patches are symmetrically distributed.

[0012] As a further description of the above technical scheme:

[0013] The lower surface of the wedge-shaped patch is provided with a matching groove, and the inner wall of the matching groove is provided with a wear-resistant layer.

[0014] As a further description of the above technical solution:

[0015] The inside of the matching groove is provided with a wedge block, and the surface of the wedge block is provided with a wear-resistant plating layer.

[0016] As a further description of the above technical solution:

[0017] The surface of the wedge-shaped patch is fixedly connected with a handle.

[0018] As a further description of the above technical solution:

[0019] The upper surface of the connecting head is provided with a jack, and the inner wall of the jack is inlaid with a fixing ring.

[0020] The utility model has the following beneficial effects:

[0021] 1. Compared with the prior art, the underground large gangue pneumatic breaking device, first adopts YT24 air hammer to cooperate with 1000mm drill rod and φ30mm drill bit to drill 250mm deep eye hole on large rock, then puts two wedge-shaped patches into the eye hole, then inserts the insertion rod into the hole formed by the through hole of the two wedge-shaped patches, and the air hammer is pressed against the connecting head, the thrust generated by the vibration of the air hammer drives the insertion rod to move out to the middle of the two wedge-shaped patches, so that the two wedge-shaped patches are expanded to both sides to break the rock, and the rock breaking is more convenient.

[0022] 2. Compared with the prior art, the underground large gangue pneumatic breaking device, when the insertion rod is inserted into the two wedge-shaped patches, the sliding groove and the sliding bead slide, the friction between the breaking rod and the insertion rod is reduced, the breaking rod is facilitated to move, the breaking rod moves back and forth to expand to both sides to break the rock, before the wedge-shaped patch is put into the eye hole, the wedge block is inserted into the matching groove, when the insertion rod is inserted into the two wedge-shaped patches, the wedge block continuously enters the matching groove, so as to drive the breaking plate to rotate outward, improve the position of breaking the large rock, and improve the breaking efficiency of the large rock. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the whole structure schematic diagram of the underground large gangue pneumatic breaking device of the utility model;

[0024] Figure 2 It is the insertion rod structure schematic diagram of the underground large gangue pneumatic breaking device of the utility model;

[0025] Figure 3The wedge-shaped patch structure diagram of the underground large gangue wind breaking device is provided by the utility model.

[0026] Figure 4 The breaking rod structure diagram of the underground large gangue wind breaking device is provided by the utility model.

[0027] Figure 5 The wedge block structure diagram of the underground large gangue wind breaking device is provided by the utility model.

[0028] Legend:

[0029] 1, connecting head; 2, baffle; 3, plug rod; 4, sliding groove; 5, wedge-shaped patch; 6, sliding ring; 7, breaking rod; 8, sliding bead; 9, breaking plate; 10, matching groove; 11, wedge block; 12, handle; 13, insertion hole. Specific implementation

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0031] In the description of the utility model, it should be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relationship based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model; the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance, in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0032] Embodiment:

[0033] Reference Figures 1-5The utility model provides a downhole big gangue wind breaking device: including connecting head 1 and two wedge patches 5, the inside of two wedge patches 5 is provided with through -hole, and the shape of through -hole is the circular truncated cone that contracts downward, the surface fixed connection of connecting head 1 has baffle 2, the bottom fixed connection of connecting head 1 has plug rod 3, the shape of plug rod 3 is the circular truncated cone that contracts downward, the surface of plug rod 3 is equipped with sliding slot 4, sliding slot 4 is symmetrically distributed at the front and back of plug rod 3, the shape of plug rod 3 is adapted to through -hole, first adopt YT24 air hammer cooperation 1000mm drill rod adds phi 30mm drill bit and set up 250mm deep eye hole on big rock, then two wedge patches 5 are put into eye hole, then plug rod 3 is inserted into the hole formed by the through -hole of two wedge patches 5, air hammer is pressed against connecting head 1, the thrust generated by the vibration of air hammer, drive plug rod 3 to drive out in two wedge patches 5, so that two wedge patches 5 are opened to both sides and break the rock.

[0034] In the embodiment, with reference to Figures 1-4 , the bottom of wedge patch 5 is inlaid with sliding ring 6, sliding ring 6 is distributed at equal intervals, the inner wall of sliding ring 6 is slidably connected with breaking rod 7, one end of breaking rod 7 is rotatably connected with sliding bead 8, when plug rod 3 is inserted into two wedge patches 5, sliding groove 4 and sliding bead 8 slide, the friction between breaking rod 7 and plug rod 3 is reduced, which facilitates the movement of breaking rod 7, and the rock is broken by moving breaking rod 7 back and forth to both sides, thereby improving the efficiency of breaking.

[0035] In the embodiment, with reference to Figure 1 、 Figure 3 and Figure 5 , the side of wedge patch 5 is rotatably connected with breaking plate 9, wedge patch 5 is symmetrically distributed, the lower surface of wedge patch 5 is provided with cooperating groove 10, the inner wall of cooperating groove 10 is provided with wear-resistant layer, wedge block 11 is arranged in the inside of cooperating groove 10, the surface of wedge block 11 is provided with wear-resistant plating layer, before wedge patch 5 is put into eye hole, wedge block 11 is inserted into cooperating groove 10, when plug rod 3 is inserted into two wedge patches 5, wedge block 11 continuously enters cooperating groove 10, thereby driving breaking plate 9 to rotate outward, which improves the position of breaking big rock, and is beneficial to improving the efficiency of breaking big rock.

[0036] In the embodiment, with reference to Figures 1-5 , the surface of wedge patch 5 is fixedly connected with handle 12, handle 12 facilitates the movement of wedge patch 5 by staff, the upper surface of connecting head 1 is provided with insertion hole 13, the inner wall of insertion hole 13 is inlaid with fixed ring, the output end of air hammer is inserted into insertion hole 13, the air hammer is not easy to separate from connecting head 1 during breaking, thereby improving the safety of staff during work.

[0037] Working principle: step one, first adopt YT24 air hammer cooperate 1000mm drill rod plus φ30mm drill bit on the big rock and set 250mm deep eye hole;

[0038] Step two, put the wedge-shaped patch 5 in front of the eye hole;

[0039] Step three, insert the plug rod 3 into the hole formed by the through hole of the two wedge-shaped patches 5;

[0040] Step four, insert the output end of the air hammer into the jack 13;

[0041] Step five, through the thrust generated by the vibration of the air hammer, drive the plug rod 3 to drive out between the two wedge-shaped patches 5, so that the two wedge-shaped patches 5 are expanded to the two sides to break the rock, when the plug rod 3 is inserted into the two wedge-shaped patches 5, the sliding groove 4 and the sliding ball 8 slide, reduce the friction between the breaking rod 7 and the plug rod 3, facilitate the movement of the breaking rod 7, the breaking rod 7 moves forward and backward to expand to the two sides to break the rock, so that the wedge block 11 continuously enters the matching groove 10, thereby driving the breaking plate 9 to rotate outward, improving the position of breaking the big rock, which is beneficial to improve the breaking efficiency of the big rock.

[0042] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing and each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A device for pneumatically breaking down large pieces of waste rock in a mine shaft, comprising a connecting head (1) and two wedge-shaped patches (5), characterized in that: The interiors of two wedge-shaped patches (5) are provided with through holes in the shape of downwardly shrinking truncated cones, the surface of the connecting head (1) is fixedly connected with a baffle (2), the bottom of the connecting head (1) is fixedly connected with an insertion rod (3), the shape of the insertion rod (3) is a downwardly shrinking truncated cone, the surface of the insertion rod (3) is provided with sliding grooves (4), the sliding grooves (4) are symmetrically distributed on the front and back surfaces of the insertion rod (3), and the shape of the insertion rod (3) is adapted to the through hole.

2. The pneumatic breaking device of large gangue blocks downhole according to claim 1, characterized in that: The bottom of the wedge-shaped patch (5) is inlaid with sliding rings (6), and the sliding rings (6) are distributed at equal intervals.

3. The pneumatic breaking device of large gangue blocks downhole according to claim 2, characterized in that: The inner wall of the sliding ring (6) is slidingly connected with a crushing rod (7), one end of the crushing rod (7) is rotatably connected with a sliding bead (8).

4. The wind-powered bulk rock breaking device for use in a mine shaft according to claim 1, characterized in that: The side surface of the wedge-shaped patch (5) is rotatably connected with a crushing plate (9), and the wedge-shaped patches (5) are symmetrically distributed.

5. The wind powered large boulder gangue breaking device in the downhole according to claim 1, characterized in that: The lower surface of the wedge-shaped patch (5) is provided with a matching groove (10), and the inner wall of the matching groove (10) is provided with a wear-resistant layer.

6. The pneumatic downhole large rock breaking device according to claim 5, characterized in that: The interior of the matching groove (10) is provided with a wedge block (11), and the surface of the wedge block (11) is provided with a wear-resistant plating layer.

7. The wind powered large boulder gangue breaking device down the well according to claim 1, characterized in that: The surface of the wedge-shaped patch (5) is fixedly connected with a handle (12).

8. The wind powered large boulder gangue breaking device down the well according to claim 1, characterized in that: The upper surface of the connecting head (1) is provided with an insertion hole (13), and the inner wall of the insertion hole (13) is inlaid with a fixed ring.

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