Blasting gravel protection device

Abstract

The embodiment of the utility model discloses a blasting gravel protection device in the technical field of blasting gravel protection. A protection top plate used for being matched with the protection plate to protect personnel is installed at the upper end of the protection plate, and a first stabilizing device facilitating stabilizing of the protection plate is installed in the middle of the protection plate. When the protective top plate is installed, a supporting block is clamped into a groove cavity of a step groove firstly, and then a bolt is matched with a threaded hole to fasten the supporting block, so that the protective top plate is stably fixed to the upper end of the protective plate, and the situation that the protective top plate falls from the upper end of the protective plate at any time and hurts people is avoided; and when a second stabilizing device is used for stabilizing, the lower ends of supporting legs are taken out of groove cavities of limiting grooves, sliding blocks synchronously slide downwards from the upper ends of groove cavities of sliding grooves, and after the angle of the second stabilizing device is adjusted, the sliding blocks are clamped into groove cavities of clamping grooves, so that the semi-circular plates are prevented from being damaged by stones. And the second stabilizing device is reinforced.

Description

Technical Field

[0001] The embodiment of the utility model relates to the technical field of blasting and crushing rock protection, and in particular to a blasting and crushing rock protection device. Background Art

[0002] During mining blasting operations, debris, soil, sand and gravel thrown from the blasting point into the air or along the ground are collectively referred to as blasting flying rocks. During the blasting process, blasters often need to use stone crusher protection devices to prevent stone crusher from splashing and causing harm to personnel.

[0003] For example, a blasting and crushing stone protection device disclosed in Chinese patent application number CN202321676435.9 includes a protective plate, the top surface of the protective plate is equidistantly provided with threaded bolts for adjusting tightness, the surface of the threaded bolts is threadedly connected to the top plate, the back of the protective plate is fixedly connected to a connecting piece, the surface of the connecting piece is fixedly connected to a handle, and both sides of the protective plate are fixedly connected to arc baffles. The arc baffles are arranged to facilitate the staff to block the crushed stones. However, the following technical problems exist:

[0004] When gravel hits the top plate, it is easy to cause deformation and damage to the top plate. The threaded bolts are installed on the top surface of the protective plate. When gravel hits the top plate, it is easy to cause damage to the threaded bolts, making it difficult to remove the threaded bolts with a wrench when disassembling the top plate. Utility Model Content

[0005] To this end, an embodiment of the utility model provides a blasting rock protection device to solve the problem in the prior art that the threaded bolt at the top is easily damaged.

[0006] In order to achieve the above purpose, the embodiment of the utility model provides the following technical solutions:

[0007] A blasting rock protection device comprises a protection plate;

[0008] A protective top plate is installed at the upper end of the protective plate for cooperating with the protective plate to protect personnel, and a stabilizing device is installed in the middle of the protective plate for supporting and reinforcing the protective plate.

[0009] A second stabilizing device for further stabilizing the protective plate is installed on the left and right sides of the front end of the protective plate.

[0010] Support columns are installed on the left and right sides of the front end of the protective plate, and the lower ends of the support columns are provided with limiting grooves for accommodating the second stabilizing device.

[0011] The protective top plate comprises a semicircular plate, and a supporting block is installed at the lower end of the semicircular plate.

[0012] The stabilizing device 1 includes a limiting plate 2, a handle for people to hold is installed at the front end of the limiting plate 2, and a damper and a spring 1 for shock absorption are installed at the rear end of the limiting plate 2.

[0013] Furthermore, a plurality of arc-shaped support plates for increasing the strength of the protective plate are installed in the middle of the protective plate, a reinforcing block is installed at the lower end of the protective plate, and a limiting plate 1 for limiting the protective top plate is installed in the middle of the protective plate.

[0014] Furthermore, a transparent tempered plate for easy observation is installed on the upper end of the protective plate, and an arc-shaped top plate is installed on the upper end of the protective plate, and the arc-shaped top plate is installed on the upper end of the supporting column.

[0015] Furthermore, a reinforcing plate is installed on the upper end of the protective plate, and the inner wall of the reinforcing plate is provided with a step groove for limiting the support block, and the inner wall of the step groove is provided with a threaded hole.

[0016] Furthermore, a sliding groove is provided on the inner wall of the limiting groove, and a clamping groove for limiting the second stabilizing device is provided at the rear end of the groove cavity of the sliding groove.

[0017] Furthermore, a bolt is installed in the middle of the support block to cooperate with the threaded hole to stabilize the semicircular plate.

[0018] Furthermore, a protective pad is installed in the middle of the handle, and a plurality of anti-slip protrusions are arranged on the surface of the protective pad. A sleeve is installed at the rear end of the limiting plate 2, and the rear end of the sleeve is installed at the front end of the limiting plate 1. A telescopic rod is installed in the middle of the sleeve, and a limiting plate 3 is installed at one end of the telescopic rod. A spring 2 is installed inside the sleeve.

[0019] Furthermore, the second stabilizing device comprises a support leg, and a slider for sliding in the groove cavity of the slide groove is installed at the upper end of the support leg.

[0020] The utility model embodiment has the following advantages:

[0021] When installing the protective top plate, first insert the support block into the groove cavity of the step groove, and then tighten the support block through the bolts and threaded holes to make the protective top plate firmly attached to the upper end of the protective plate to prevent it from falling from the upper end of the protective plate at any time and causing harm to personnel. The bolts are arranged at the lower end of the semicircular plate to prevent the semicircular plate from being damaged by stones and being difficult to replace the semicircular plate. When stabilizing through the second stabilizing device, the lower end of the support leg is taken out from the groove cavity of the limit groove, and the slider simultaneously slides downward from the upper end of the groove cavity of the slide groove. After the angle adjustment of the second stabilizing device is completed, the slider is inserted into the groove cavity of the card slot to reinforce the second stabilizing device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0023] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0024] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0025] Figure 2 This is a schematic diagram of the structure of the protective plate of the utility model;

[0026] Figure 3 For this utility model Figure 2 A magnified image of point A;

[0027] Figure 4 This is a schematic diagram of the structure of the protective top plate of the utility model;

[0028] Figure 5 This is a schematic diagram of the structure of the first stabilizing device of the utility model;

[0029] Figure 6 It is a structural schematic diagram of the second stabilizing device of the utility model.

[0030] In the figure: 100-protection plate, 110-support column, 111-limiting groove, 112-sliding groove, 113-card slot, 120-arc support plate, 130-reinforcement block, 140-limiting plate 1, 150-transparent tempered plate, 160-arc top plate, 170-reinforcement block, 171-step groove, 172-threaded hole;

[0031] 200-protective top plate, 210-semicircular plate, 220-support block, 221-bolt;

[0032] 300-stabilizing device one, 310-limiting plate two, 320-handle, 321-anti-skid pad, 322-anti-skid bump, 330-damper, 340-spring one, 350-sleeve, 351-telescopic rod, 352-limiting plate three, 360-spring two; 400-stabilizing device two, 410-leg, 411-slider. DETAILED DESCRIPTION

[0033] The following is a specific embodiment of the present invention. People familiar with the technology can easily understand the other advantages and functions of the present invention from the contents disclosed in this specification. Obviously, the described embodiment is a part of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] The terms such as "upper", "lower", "left", "right", "middle", etc. cited in this specification are only for the convenience of description and are not used to limit the scope of implementation of the present invention. Changes or adjustments to their relative relationships should be regarded as the scope of implementation of the present invention without substantially changing the technical content.

[0035] See also Figure 1-Figure 6 The utility model provides a blasting rock protection device, including a protection plate 100, a protection top plate 200, a stabilizing device 1 300 and a stabilizing device 2 400.

[0036] Among them, the protective plate 100 is an arc-shaped plate, and the protective plate 100 is an integrated structure, so that the strength of the protective plate 100 is relatively high. Through the arc-shaped protective plate 100, when stones hit the outer surface of the protective plate 100, the stones are easy to roll to both sides of the protective plate 100.

[0037] Support columns 110 are fixedly installed on the left and right sides of the front end of the protective plate 100, and a limiting groove 111 for accommodating the stabilizing device 2 400 is opened at the lower end of the support column 110, and a sliding groove 112 is opened on the inner walls on the left and right sides of the limiting groove 111, and a card groove 113 for limiting the stabilizing device 2 400 is opened at the rear end of the groove cavity of the sliding groove 112, and the slider 411 slides in the groove cavity of the sliding groove 112.

[0038] When the protective plate 100 is used, the lower end of the leg 410 is taken out from the groove cavity of the limiting groove 111, and the slider 411 simultaneously slides downward from the upper end of the groove cavity of the slide groove 112. After the angle adjustment of the stabilizing device 2 400 is completed, the slider 411 is inserted into the groove cavity of the slot 113 to reinforce the stabilizing device 2 400.

[0039] A plurality of arc-shaped support plates 120 are installed in the middle of the protective plate 100 to increase the strength of the protective plate 100. Both ends of the arc-shaped support plates 120 are welded to the rear end of the support column 110. A plurality of reinforcing blocks 130 are fixedly installed at the lower end of the protective plate 100. The reinforcing blocks 130 cooperate with the second stabilizing device 400 to stabilize the protective plate 100 on the ground and prevent it from shaking.

[0040] A limiting plate 140 for limiting the protective top plate 200 is fixedly installed in the middle of the protective plate 100. A transparent tempered plate 150 is installed on the upper end of the protective plate 100 for easy observation.

[0041] The upper end of the protective plate 100 is fixedly mounted with an arc-shaped top plate 160, and the arc-shaped top plate 160 is fixedly mounted on the upper end of the supporting column 110. The top of the protective plate 100 is fixedly mounted with a reinforcing plate 170, and the inner wall of the reinforcing plate 170 is provided with a step groove 171 for limiting the support block 220, and the inner wall of the step groove 171 is provided with a threaded hole 172. When installing the protective top plate 200, first insert the support block 220 into the groove cavity of the step groove 171, and then tighten the support block 220 with the bolt 221 and the threaded hole 172, so that the protective top plate 200 is firmly fixed to the upper end of the protective plate 100 to prevent gravel from falling from the upper end of the protective plate 100 and causing harm to personnel. The bolt 221 is arranged at the lower end of the semicircular plate 210 to prevent the semicircular plate 210 from being damaged by stones and being difficult to replace.

[0042] The upper end of the protective plate 100 is installed with a protective top plate 200 for cooperating with the protective plate 100 to protect personnel. The protective top plate 200 includes a semicircular plate 210. The lower end of the semicircular plate 210 is fixedly installed with a support block 220. The support block 220 is an arc-shaped support block, and the support block 220 is clamped in the groove cavity of the step groove 171. A plurality of bolts 221 for cooperating with the threaded holes 172 to stabilize the semicircular plate 210 are installed in the middle of the support block 220.

[0043] A stabilizing device 300 is installed in the middle of the protective plate 100 to facilitate supporting the protective plate 100 for reinforcement. The stabilizing device 300 includes a limiting plate 310. A handle 320 for a person to hold is fixedly installed at the front end of the limiting plate 310. A protective pad 321 is fixedly installed in the middle of the handle 320. The surface of the protective pad 321 is provided with a plurality of anti-slip bumps 322. A damper 330 and a spring 340 for shock absorption are installed at the rear end of the limiting plate 310 to prevent the protective plate 100 from vibrating after the gravel hits the protective plate 100, thereby preventing the hand of the person from being numb and detaching from the handle 320. The damper 330 and the spring 340 provide shock absorption to protect the person.

[0044] A sleeve 350 is installed at the rear end of the limit plate 310, and the rear end of the sleeve 350 is fixedly installed on the front end of the limit plate 1 140. A telescopic rod 351 is installed in the middle of the sleeve 350. One end of the telescopic rod 351 is fixedly installed with a limit plate 352, and the limit plate 352 is telescoped in the middle of the sleeve 350. A spring 2 360 is installed inside the sleeve 350.

[0045] The front end of the protective plate 100 is provided with 400 for further stabilizing the protective plate 100 on both sides. The second stabilizing device 400 includes a storable leg 410. The upper end of the leg 410 is provided with a slider 411 for sliding in the groove cavity of the slide groove 112 on both sides. The slider 411 can be inserted into the groove cavity of different slots 113, so that the leg 410 can be adjusted according to the slope of different angles. A magnetic block a is installed inside the upper end of the leg 410, and a magnetic block b is installed on the top of the groove cavity of the limiting groove 111. The magnetic block a and the magnetic block b attract each other, so that when the protective plate 100 is not in use, the leg 410 is stabilized in the groove cavity of the limiting groove 111.

[0046] Although the utility model has been described in detail above with general descriptions and specific embodiments, it is obvious to those skilled in the art that some modifications or improvements can be made to the utility model. Therefore, these modifications or improvements made without departing from the spirit of the utility model are within the scope of protection claimed by the utility model.

Claims

1. A blasting rock protection device, comprising a protection plate (100), characterized in that: A protective top plate (200) is installed at the upper end of the protective plate (100) for cooperating with the protective plate (100) to protect personnel, and a stabilizing device (300) is installed in the middle of the protective plate (100) for supporting and reinforcing the protective plate (100); A second stabilizing device (400) for further stabilizing the protective plate (100) is installed on both left and right sides of the front end of the protective plate (100); Support columns (110) are installed on the left and right sides of the front end of the protective plate (100), and the lower ends of the support columns (110) are provided with limiting grooves (111) for accommodating the second stabilizing device (400); The protective top plate (200) comprises a semicircular plate (210), and a support block (220) is installed at the lower end of the semicircular plate (210); The stabilizing device (300) includes a limiting plate (310), a handle (320) for a person to hold is installed at the front end of the limiting plate (310), and a damper (330) and a spring (340) for shock absorption are installed at the rear end of the limiting plate (310).

2. A blasting rock protection device according to claim 1, characterized in that: A plurality of arc-shaped support plates (120) for increasing the strength of the protective plate (100) are installed in the middle of the protective plate (100), a reinforcing block (130) is installed at the lower end of the protective plate (100), and a limiting plate (140) for limiting the protective top plate (200) is installed in the middle of the protective plate (100).

3. A blasting rock protection device according to claim 1, characterized in that: A transparent tempered plate (150) is installed on the upper end of the protection plate (100) for easy observation. An arc-shaped top plate (160) is installed on the upper end of the protection plate (100), and the arc-shaped top plate (160) is installed on the upper end of the supporting column (110).

4. The blasting rock protection device according to claim 1, characterized in that: A reinforcing plate (170) is installed at the upper end of the protection plate (100), the inner wall of the reinforcing plate (170) is provided with a step groove (171) for limiting the support block (220), and the inner wall of the step groove (171) is provided with a threaded hole (172).

5. The blasting rock protection device according to claim 1, characterized in that: The inner wall of the limiting groove (111) is provided with a sliding groove (112), and the rear end of the groove cavity of the sliding groove (112) is provided with a clamping groove (113) for limiting the second stabilizing device (400).

6. A blasting rock protection device according to claim 4, characterized in that: A bolt (221) is installed in the middle of the support block (220) for cooperating with the threaded hole (172) to stabilize the semicircular plate (210).

7. The blasting rock protection device according to claim 2, characterized in that: A protective pad (321) is installed in the middle of the handle (320), and a plurality of anti-slip protrusions (322) are arranged on the surface of the protective pad (321). A sleeve (350) is installed at the rear end of the second limiting plate (310), and the rear end of the sleeve (350) is installed at the front end of the first limiting plate (140). A telescopic rod (351) is installed in the middle of the sleeve (350), and a limiting plate three (352) is installed at one end of the telescopic rod (351). A spring two (360) is installed inside the sleeve (350).

8. The blasting rock protection device according to claim 5, characterized in that: The second stabilizing device (400) comprises a support leg (410), and a sliding block (411) for sliding in the groove cavity of the slide groove (112) is installed at the upper end of the support leg (410).

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