Anti-inverted blasting protection device based on impact absorption

Abstract

The utility model discloses an anti-tilting blasting protection device based on impact absorption, and relates to the technical field of blasting protection, a bottom plate is fixedly connected with a rotating base, the top of the rotating base is connected with two groups of threaded rods, the top of each threaded rod is provided with a threaded sleeve and a limiting plate, and the bottom of each limiting plate is fixedly connected with the corresponding threaded sleeve; the limiting plate is in threaded connection with the threaded rod through the threaded sleeve; the left side in the bottom plate is connected with a first chain wheel, the outer side of the first chain wheel is meshed with a chain, the front side of the chain is meshed with a second chain wheel, the right sides of the first chain wheel and the second chain wheel are connected with a lead screw body, the outer side of the lead screw body is connected with a lead screw sleeve, and the top of the lead screw sleeve is connected with a first fixing rod. A limiting plate is driven to ascend and descend through a threaded rod, the limiting plate can drive a buffer plate to better protect blasting objects, and after protection, small dregs can fall off through a gap reserved in the bottom, so that the impact force borne by the equipment is reduced, and the bearing capacity of the equipment during use is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of blasting protection, in particular to an anti-collapse type blasting protection device based on impact absorption. Background Art

[0002] After decades of development, engineering blasting technology has penetrated into many fields of economic construction, especially in China's railway construction, mining, urban demolition and directional blasting. In large-scale projects such as railways, mines, and reservoirs, the role of blasting technology is very critical and important; mining and road construction, mountain tunneling, and urban demolition of old buildings all use blasting technology; with the development of the economy and the increase in engineering construction, blasting has attracted more attention; and in blasting, a blasting protection device is often needed to protect the side of the blasting object, but the existing blasting protection device has some shortcomings, such as:

[0003] Publication No.: CN114659420B, blasting protection device, the device is easy to adjust, and the blasting protection device has a simple structure, which can realize the rapid construction and transportation of the device, and improve the applicability of the blasting protection device. However, in actual use, since the device is difficult to discharge the debris of the blasting object, it may cause the load-bearing capacity to become higher and higher, so that the impact on the device is getting greater and greater, which may cause the device to be damaged due to insufficient load-bearing capacity;

[0004] Therefore, we propose an anti-collapse type blasting protection device based on impact absorption in order to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of the utility model is to provide an anti-collapse type blasting protection device based on impact absorption, so as to solve the problem proposed by the above background technology that most blasting protection devices currently on the market are difficult to discharge the debris of the explosives, which may lead to higher and higher bearing capacity, making the impact on the equipment greater and greater, which may lead to insufficient bearing capacity and cause damage.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-collapse type explosion protection device based on impact absorption, comprising a bottom plate, a rotating base connected to the right side of the top of the bottom plate, the bottom plate is fixedly connected to the rotating base, and two groups of threaded rods are connected to the top of the rotating base, and a threaded sleeve and a limit plate are provided on the top of the threaded rod, the bottom of the limit plate is fixedly connected to the threaded sleeve, and the limit plate is threadedly connected to the threaded rod through the threaded sleeve;

[0007] A first sprocket is connected to the left side of the bottom plate, and a chain is meshed on the outside of the first sprocket, and a second sprocket is meshed on the front side of the chain, a screw body is connected to the right side of the first sprocket and the second sprocket, and a screw sleeve is connected to the outside of the screw body, and a first fixed rod is connected to the top of the screw sleeve, a first rotating shaft is connected to the top of the first fixed rod, and the first rotating shaft is connected to the left side of the limiting plate.

[0008] By driving the limit plate to a suitable height through the threaded rod, the limit plate can drive the buffer plate to better protect the explosives. After protection, smaller residues can fall through the gap reserved at the bottom, thereby reducing the impact force borne by the equipment, increasing the bearing capacity of the equipment during use, and making the equipment more convenient when protecting against explosives.

[0009] As a preferred technical solution of the utility model, a second rotating shaft is connected to the left side of the top of the limiting plate, and a second fixed rod is connected to the left side of the second rotating shaft, a connecting tube and a fixing bolt are connected to the bottom of the second fixed rod, and the connecting tube is fixedly connected to the second fixed rod by the fixing bolt, and a torsion shaft is connected to the left side of the first sprocket.

[0010] By adopting the above technical solution, the upper part of the limit plate can be supported by the second fixing rod, so that the first fixing rod and the second fixing rod can form a three-point support method, and then the limit block is fitted with the bottom plate, so that the limit pin fixes the bottom plate and the limit block.

[0011] As a preferred technical solution of the utility model, a limiting block is connected to the bottom of the connecting pipe, and the limiting block is fitted and connected to the bottom plate, and a limiting latch is connected inside the limiting block, and the limiting latch is fixedly connected to the bottom plate.

[0012] The above technical solution can fix the limit pin to the ground, so that the device can be more firm when it is fixed to the ground, and can better support the limit plate.

[0013] As a preferred technical solution of the present utility model, four groups of fixing pins are connected to the bottom of the base plate, and the bottoms of the fixing pins can be inserted into the ground.

[0014] The adoption of the technical solution enables the bottom plate to be fixed to the ground by means of fixing pins, thereby increasing the firmness of the device when in use.

[0015] As a preferred technical solution of the utility model, a group of limit rods are connected to the top of the rotating base, and the limit rods are connected to the top of the limit plate.

[0016] The adoption of the above technical solution enables the limiting rod to limit the middle part of the limiting plate, thereby increasing the stability of the device when fixing the limiting plate.

[0017] As a preferred technical solution of the utility model, a spring shaft is connected to the right side of the limiting plate, and a buffer plate is connected to the right side of the spring shaft.

[0018] The adoption of the above technical solution can make the limit plate more stable when connected to the buffer plate, and can enable the buffer plate to perform reset work under the drive of the spring shaft.

[0019] As a preferred technical solution of the utility model, a sliding button is provided on the outer side of the threaded rod, and the threaded sleeve is fixedly connected to the inner side of the bottom side of the limiting plate.

[0020] The adoption of the above technical solution can make it more convenient for the user to adjust the threaded rod, thereby increasing the adjustability of the device.

[0021] Compared with the prior art, the utility model has the following beneficial effects: the limit plate is driven to a suitable height by the threaded rod, so that the limit plate drives the buffer plate to better protect the explosives, and after protection, smaller slag can be dropped through the gap reserved at the bottom, thereby reducing the impact force borne by the device, increasing the bearing capacity of the device when in use, and making the device more convenient when protecting the explosives;

[0022] The upper part of the limit plate is supported by the second fixing rod, so that the first fixing rod and the second fixing rod form a three-point support mode, and then the limit block is fitted with the bottom plate, so that the limit pin fixes the bottom plate and the limit block, and then the limit pin is fixed to the ground, so that the device can be more firm when it is fitted and fixed with the ground, and can better support the limit plate;

[0023] Furthermore, by providing the limiting rod, the limiting rod can limit the middle part of the limiting plate, thereby increasing the stability of the device when fixing the limiting plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the elevation structure of the front view section of the utility model;

[0025] Figure 2 It is a schematic diagram of the vertical cross-sectional structure of the limiting plate of the utility model;

[0026] Figure 3 It is a schematic diagram of the vertical cross-sectional structure of the first sprocket of the utility model;

[0027] Figure 4 This is a front view structural schematic diagram of the utility model;

[0028] Figure 5It is a schematic diagram of the vertical structure of the side section of the utility model;

[0029] Figure 6 It is a schematic diagram of the cross-sectional elevation structure of the second fixing rod of the utility model.

[0030] In the figure: 1, base plate; 2, rotating base; 3, threaded rod; 4, threaded sleeve; 5, limit plate; 6, limit rod; 7, spring shaft; 8, buffer plate; 9, first sprocket; 10, chain; 11, second sprocket; 12, screw body; 13, screw sleeve; 14, first fixed rod; 15, first rotating axis; 16, second rotating axis; 17, second fixed rod; 18, connecting pipe; 19, fixing bolt; 20, limit block; 21, limit latch; 22, fixing latch. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0032] Embodiment 1:

[0033] In order to solve the problem that it is difficult to discharge the debris of the explosive in the prior art, thereby increasing the impact force, the following solution is disclosed. Figure 1-4 The utility model provides a technical solution: an anti-collapse type explosion protection device based on impact absorption, comprising a bottom plate 1, a rotating base 2 connected to the right side of the top of the bottom plate 1, the bottom plate 1 is fixedly connected to the rotating base 2, and two groups of threaded rods 3 are connected to the top of the rotating base 2, and the top of the threaded rod 3 is provided with a threaded sleeve 4 and a limiting plate 5, the bottom of the limiting plate 5 is fixedly connected to the threaded sleeve 4, and the limiting plate 5 is threadedly connected to the threaded rod 3 through the threaded sleeve 4;

[0034] A first sprocket 9 is connected to the left side of the bottom plate 1, and a chain 10 is meshed on the outside of the first sprocket 9, and a second sprocket 11 is meshed on the front side of the chain 10, a screw body 12 is connected to the right side of the first sprocket 9 and the second sprocket 11, and a screw sleeve 13 is connected to the outside of the screw body 12, and a first fixed rod 14 is connected to the top of the screw sleeve 13, and a first rotating shaft 15 is connected to the top of the first fixed rod 14, and the first rotating shaft 15 is connected to the left side of the limiting plate 5;

[0035] When using the blasting protection equipment, first twist the threaded rod 3 so that the threaded rod 3 drives the limit plate 5 to be lifted to the specified position through the threaded sleeve 4, and then twist the first sprocket 9 so that the first sprocket 9 drives the chain 10 to rotate, so that the chain 10 drives the second sprocket 11 to rotate, so that the first sprocket 9 and the second sprocket 11 rotate at the same time, thereby driving the screw body 12 to rotate, thereby pushing the screw sleeve 13 to move to the specified position, and then connect the screw sleeve 13 to the bottom of the first fixing rod 14, so that the screw sleeve 13 drives the first fixing rod 14 to be fixed;

[0036] Four groups of fixed pins 22 are connected to the bottom of the base plate 1, and the bottoms of the fixed pins 22 can be inserted into the ground; a group of limit rods 6 are connected to the top of the rotating base 2, and the limit rods 6 are connected to the top of the limit plate 5; a spring shaft 7 is connected to the right side of the limit plate 5, and a buffer plate 8 is connected to the right side of the spring shaft 7; a sliding button is provided on the outside of the threaded rod 3, and the threaded sleeve 4 is fixedly connected to the bottom side of the limit plate 5;

[0037] When the limit plate 5 is fixed, the explosive can be supported by the buffer plate 8. After the explosive is blasted, the fine debris will fall from the bottom of the buffer plate 8, so that the debris will not produce a continuous impact force on the buffer plate 8, so that the device can support the explosive body.

[0038] Embodiment 2:

[0039] In this embodiment, a top support method of a limit plate is disclosed, which is different from the first embodiment. Figure 5-6 As shown, the difference between this embodiment and embodiment 1 is that: a second rotating shaft 16 is connected to the left side of the top of the limiting plate 5, and a second fixing rod 17 is connected to the left side of the second rotating shaft 16, a connecting pipe 18 and a fixing bolt 19 are connected to the bottom of the second fixing rod 17, and the connecting pipe 18 is fixedly connected to the second fixing rod 17 by the fixing bolt 19, and a torsion shaft is connected to the left side of the first sprocket 9;

[0040] The bottom of the connecting pipe 18 is connected to a limit block 20, and the limit block 20 is closely connected to the bottom plate 1, and the limit pin 21 is connected inside the limit block 20, and the limit pin 21 is fixedly connected to the bottom plate 1;

[0041] By adjusting the position of the second fixing rod 17 in the connecting tube 18, and then fixing the second fixing rod 17 and the connecting tube 18 by the fixing bolt 19, the limiting block 20 provided at the bottom of the connecting tube 18 is fitted with the bottom of the bottom plate 1, and then fixed to the ground by the limiting latch 21, the second fixing rod 17 can better support the top of the limiting plate 5;

[0042] When the user adjusts the position of the limit plate 5 and the screw sleeve 13, the user can remove the fixing pin 22 to disconnect the limit block 20 from the base plate 1, and then remove the fixing bolt 19 to adjust the length of the second fixing rod 17 and the connecting tube 18, thereby increasing the adjustability of the device.

[0043] Working principle: When using the blasting protection equipment, first twist the threaded rod 3 so that the threaded rod 3 drives the limit plate 5 to be lifted to the specified position through the threaded sleeve 4, and then twist the first sprocket 9 so that the first sprocket 9 drives the chain 10 to rotate, so that the chain 10 drives the second sprocket 11 to rotate, so that the first sprocket 9 and the second sprocket 11 rotate at the same time, thereby driving the screw body 12 to rotate, thereby pushing the screw sleeve 13 to move to the specified position, and then connect the screw sleeve 13 to the bottom of the first fixed rod 14, so that the screw sleeve 13 drives the first fixed rod 14 to be fixed;

[0044] When the limit plate 5 is fixed, the explosive can be supported by the buffer plate 8. After the explosive is blasted, the fine debris will fall from the bottom of the buffer plate 8, so that the debris will not produce a continuous impact force on the buffer plate 8, so that the device can support the explosive body.

[0045] Thereby completing a series of tasks, the contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0046] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. An anti-collapse type explosion protection device based on impact absorption, comprising a base plate (1), and a rotating base (2) connected to the top right side of the base plate (1), characterized in that: The bottom plate (1) is fixedly connected to the rotating base (2), and two groups of threaded rods (3) are connected to the top of the rotating base (2), and a threaded sleeve (4) and a limiting plate (5) are provided on the top of the threaded rod (3), the bottom of the limiting plate (5) is fixedly connected to the threaded sleeve (4), and the limiting plate (5) is threadedly connected to the threaded rod (3) through the threaded sleeve (4); The left side of the bottom plate (1) is connected to a first sprocket (9), and a chain (10) is meshed on the outside of the first sprocket (9), and a second sprocket (11) is meshed on the front side of the chain (10); the right sides of the first sprocket (9) and the second sprocket (11) are connected to a screw body (12), and the outside of the screw body (12) is connected to a screw sleeve (13), and the top of the screw sleeve (13) is connected to a first fixed rod (14), and the top of the first fixed rod (14) is connected to a first rotating shaft (15), and the first rotating shaft (15) is connected to the left side of the limiting plate (5).

2. The anti-collapse type blasting protection device based on impact absorption according to claim 1 is characterized in that: The left side of the top of the limiting plate (5) is connected to a second rotating shaft (16), and the left side of the second rotating shaft (16) is connected to a second fixed rod (17), the bottom of the second fixed rod (17) is connected to a connecting pipe (18) and a fixing bolt (19), and the connecting pipe (18) is fixedly connected to the second fixed rod (17) via the fixing bolt (19), and the left side of the first sprocket (9) is connected to a torsion shaft.

3. The anti-collapse type blasting protection device based on impact absorption according to claim 2 is characterized in that: The bottom of the connecting pipe (18) is connected to a limiting block (20), and the limiting block (20) is closely connected to the bottom plate (1), and the limiting block (20) is internally connected to a limiting latch (21), and the limiting latch (21) is fixedly connected to the bottom plate (1).

4. The anti-collapse type blasting protection device based on impact absorption according to claim 1 is characterized in that: Four groups of fixing pins (22) are connected to the bottom of the base plate (1), and the bottoms of the fixing pins (22) can be inserted into the ground.

5. The anti-collapse type blasting protection device based on impact absorption according to claim 1 is characterized in that: A group of limiting rods (6) are connected to the top of the rotating base (2), and the limiting rods (6) are connected to the top of the limiting plate (5).

6. The anti-collapse type blasting protection device based on impact absorption according to claim 5 is characterized in that: The right side of the limit plate (5) is connected to a spring shaft (7), and the right side of the spring shaft (7) is connected to a buffer plate (8).

7. The anti-collapse type blasting protection device based on impact absorption according to claim 1 is characterized in that: A sliding button is provided on the outside of the threaded rod (3), and the threaded sleeve (4) is fixedly connected to the inside of the bottom side of the limiting plate (5).

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