Tunnel blasting protection device for hydraulic engineering construction

Abstract

The utility model relates to the technical field of hydraulic engineering, in particular to a tunnel blasting protection device for hydraulic engineering construction. The protection assembly is used for protection and comprises a protection plate; a carriage; the connecting rod is used for connecting the protection plate and the sliding frame; one end of the damper is mounted on the fixed seat, and the other end of the damper is connected with the sliding frame to provide buffering force for the protection plate; the moving assembly is used for moving the device and comprises a lifting frame, and one end of the lifting frame extends downwards to form a supporting leg; the moving wheels are mounted at the bottoms of the supporting legs; and a screw rod. The explosion protection device has the advantages that energy generated by explosion can be effectively absorbed and dispersed through the protection assembly composed of the protection plate, the connecting rod, the sliding frame, the damper, the spring and other components, safety of constructors and equipment is protected, the damper and the spring provide a double buffering mechanism, the direct effect of explosion impact on the protection plate is reduced, and the safety of the constructors and the equipment is improved. And the rebound effect after the device is impacted is reduced, and the overall safety performance is improved.

Description

Technical Field

[0001] The present application relates to the technical field of water conservancy engineering, and in particular to a tunnel blasting protection device for water conservancy engineering construction. Background Art

[0002] In the construction of water conservancy projects, especially in the process of tunnel excavation, blasting technology is often used to break rocks. However, blasting operations will produce a large amount of flying rocks and strong air shock waves, which will cause potential harm to the surrounding personnel, equipment and environment. In order to ensure construction safety and reduce the impact of blasting on the surrounding area, effective protective measures need to be taken.

[0003] Traditional protection methods usually use fixed protective walls or temporary protective sheds, but simple protective structures are difficult to effectively absorb and disperse the energy generated by the blast, and traditional protective facilities often require a lot of time and manpower to build and dismantle.

[0004] In this regard, the present application proposes a tunnel blasting protection device for water conservancy project construction to solve this problem. Summary of the invention

[0005] The purpose of this application is to solve at least one of the technical deficiencies.

[0006] To this end, one purpose of the present application is to propose a tunnel blasting protection device for water conservancy project construction to solve the problems mentioned in the background technology and overcome the shortcomings of the prior art.

[0007] In order to achieve the above-mentioned purpose, an embodiment of the present application on one hand provides a tunnel blasting protection device for water conservancy project construction, including: a fixed seat; a protection component for protection, including: a protection plate; a sliding frame; a connecting rod for connecting the protection plate and the sliding frame; a damper, one end of which is installed on the fixed seat and the other end is connected to the sliding frame to provide a buffering force for the protective plate; a moving component for moving the device, including: a lifting frame, one end of which has a support leg extending downward; a moving wheel installed at the bottom of the support leg; a screw rod for adjusting the lifting frame.

[0008] Preferably, any of the above schemes is provided with a positioning hole and a through groove on the fixed seat, and the through groove is used for the movable wheel and the lifting frame to move therein; a bracket is installed on the fixed seat, on which a connecting hole is provided, and the connecting hole is located directly above the positioning hole; a sliding rod is also installed on the fixed seat, and a baffle is installed at one end of the sliding rod.

[0009] Preferably, any of the above solutions has a limiting rod installed at one end of the fixing seat.

[0010] Preferably, according to any of the above solutions, the sliding frame is slidably arranged on the limiting rod, and a first connecting frame is installed on the sliding frame; a spring is installed on the sliding frame, and one end of the spring is connected to the fixed seat; a second connecting frame is installed on the protection plate.

[0011] Preferably, according to any of the above solutions, one end of the connecting rod is rotatably arranged on the first connecting frame, and the other end of the connecting rod is rotatably arranged on the second connecting frame.

[0012] Preferably, according to any of the above solutions, the lifting frame is slidably arranged on the sliding rod, and the lifting frame is threadedly connected to the lead screw.

[0013] Preferably, according to any of the above solutions, one end of the lead screw is rotatably arranged in the positioning hole, the other end of the lead screw is rotatably arranged in the connecting hole, and an operating rod is installed on the lead screw.

[0014] Compared with the prior art, the advantages and beneficial effects of the present application are as follows:

[0015] 1. The protection assembly composed of components such as the protection plate, connecting rod, sliding frame, damper and spring can effectively absorb and disperse the energy generated by blasting, protect the safety of construction personnel and equipment. The damper and spring provide a dual buffering mechanism, which not only reduces the direct impact of blasting on the protection plate, but also reduces the rebound effect of the device after being impacted, improving the overall safety performance.

[0016] 2. With the help of the moving assembly composed of the lifting frame, moving wheels and lead screw, the entire protection device can be quickly moved to the designated position according to the construction requirements and can be firmly fixed on the ground.

[0017] The additional aspects and advantages of the present application will be partially given in the following description, partially become obvious from the following description, or be understood through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present application will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, in which:

[0019] Figure 1 FIG. is a schematic diagram of the moving wheels being lowered according to an embodiment of the present application;

[0020] Figure 2 FIG. is a schematic diagram of the moving wheels being retracted according to an embodiment of the present application;

[0021] Figure 3 FIG. is a schematic diagram of the connection of the limiting rod according to an embodiment of the present application;

[0022] Figure 4 FIG. is a schematic diagram of the protection assembly according to an embodiment of the present application;

[0023] Figure 5 Schematic diagram of the connecting rod explosion according to an embodiment of the present application;

[0024] Figure 6 Schematic diagram of the moving component according to an embodiment of the present application.

[0025] In the figure: 1, fixed seat; 2, protection component, 201, protection plate, 202, sliding frame, 203, connecting rod, 204, damper, 205, first connecting frame, 206, spring, 207, second connecting frame; 3, moving component, 301, lifting frame, 302, leg, 303, moving wheel, 304, lead screw, 305, operating rod; 4, bracket; 5, sliding rod, 501, baffle; 6, limiting rod. Detailed implementation manner

[0026] As Figures 1 to 6 shown, a tunnel blasting protection device for water conservancy project construction includes:

[0027] Fixed seat 1;

[0028] Protection component 2 for protection, including:

[0029] Protection plate 201;

[0030] Two sliding frames 202, symmetrically distributed;

[0031] Connecting rod 203 for connecting the protection plate 201 and the sliding frame 202;

[0032] Damper 204, one end is installed on the fixed seat 1 and the other end is connected to the sliding frame 202 to provide a buffer force for the protection plate 201;

[0033] Moving component 3 for moving the device, including:

[0034] Lifting frame 301, with legs 302 extending downward at one end, and there are four legs 302 in total;

[0035] Moving wheels 303 are installed at the bottom of the legs 302, and the number of the moving wheels 303 is four in total, respectively installed at the bottom of the four legs 302;

[0036] Lead screw 304 for adjusting the lifting frame 301.

[0037] Specifically, the fixed seat 1 is reserved with an insertion hole for the hole position when using a nail cone to adapt to the tunnel environment with uneven ground.

[0038] Further, the fixing base 1 is provided with a positioning hole and a through groove, and the through groove is used for the movable wheel 303 and the lifting frame 301 to move therein;

[0039] A bracket 4 is installed on the fixing base 1, and a connection hole is provided thereon, and the connection hole is directly above the positioning hole;

[0040] A sliding rod 5 is further installed on the fixing base 1. One end of the sliding rod 5 is provided with a baffle 501. The number of the sliding rods 5 is four, and the number of the corresponding baffles 501 is also four.

[0041] The setting of the baffle 501 limits the maximum rising distance of the lifting frame 301.

[0042] Further, two limiting rods 6 are installed at one end of the fixing base 1.

[0043] Further, the sliding frame 202 is slidably arranged on the limiting rods 6. A first connecting frame 205 is installed on the sliding frame 202. The number of the first connecting frames 205 is four in total, and two first connecting frames 205 are provided on each sliding frame 202;

[0044] A spring 206 is installed on the sliding frame 202. One end of the spring 206 is connected to the fixing base 1, and the spring 206 provides secondary buffering for the sliding frame 202;

[0045] A second connecting frame 207 is installed on the protective plate 201. The number of the second connecting frames 207 is four, and they are symmetrically distributed in pairs on the protective plate 201.

[0046] Further, one end of the connecting rod 203 is rotatably arranged on the first connecting frame 205, and the other end of the connecting rod 203 is rotatably arranged on the second connecting frame 207;

[0047] Specifically, the number of the connecting rods 203 is four, and both ends of each connecting rod 203 are respectively connected to a first connecting frame 205 and a second connecting frame 207.

[0048] Further, the lifting frame 301 is slidably arranged on the sliding rod 5. The lifting frame 301 is threadedly connected to the lead screw 304, and the sliding rod 5 limits the movement track of the lifting frame 301.

[0049] Further, one end of the lead screw 304 is rotatably arranged in the positioning hole, and the other end of the lead screw 304 is rotatably arranged in the connection hole. The settings of the positioning hole and the connection hole support and limit the lead screw 304, and an operating rod 305 is installed on the lead screw 304.

[0050] A tunnel blasting protection device for water conservancy project construction, and the working principle is as follows:

[0051] When in use, the moving wheels 303 need to be retracted so that the bottom of the fixed seat 1 contacts the ground. The operation is as follows:

[0052] Rotate the operating rod 305 to drive the screw rod 304 to rotate. The rotation of the screw rod 304 drives the lifting frame 301 to move upward under the limit of the sliding rod 5. The movement of the lifting frame 301 makes the leg 302 extending from one end move synchronously. The leg 302 drives the moving wheel 303 to move, so that the moving wheel 303 passes through the through groove, and then the bottom of the fixed seat 1 contacts the ground;

[0053] When moving, the moving wheels 303 need to be lowered and placed under the fixed seat 1 so that the moving wheels 303 contact the ground. The operation is as follows:

[0054] Rotate the operating rod 305 in the reverse direction to drive the screw rod 304 to rotate in reverse, and then drive the lifting frame 301 to move downward under the limit of the sliding rod 5, driving the moving wheel 303 to pass through the through groove, and then the moving wheel 303 contacts the ground. At this time, the device can be moved by pushing;

[0055] When blasting, the generated gravel and air impact hit the protection plate 201. The protection plate 201 moves under force, driving the connecting rod 203 and the sliding frame 202 to move under the limit of the limiting rod 6, and buffering the force on the protection plate 201 through the spring 206 and the damper 204.

Claims

1. A tunnel blasting protection device for water conservancy project construction, characterized in that: Comprising: Fixed seat; Protective component for protection, including: Protective plate; Sliding frame; Link rod for connecting the protective plate and the sliding frame; Damper, one end of which is installed on the fixed seat and the other end is connected to the sliding frame to provide buffering force for the protective plate; Moving component for moving the device, including: Lifting frame, one end of which extends downward with legs; Moving wheels installed at the bottom of the legs; Lead screw for adjusting the lifting frame.

2. The tunnel blasting protection device for water conservancy project construction according to claim 1, wherein: The fixed seat is provided with a positioning hole and a through groove, and the through groove is used for the moving wheels and the lifting frame to move therein; A bracket is installed on the fixed seat, and a connection hole is provided thereon, and the connection hole is directly above the positioning hole; A sliding rod is also installed on the fixed seat, and a baffle is installed at one end of the sliding rod.

3. A tunnel blasting protection device for water conservancy project construction according to claim 2, characterized in that: A limiting rod is installed at one end of the fixed seat.

4. A tunnel blasting protection device for water conservancy project construction according to claim 3, characterized in that: The sliding frame is slidably arranged on the limiting rod, and a first connecting frame is installed on the sliding frame; A spring is installed on the sliding frame, and one end of the spring is connected to the fixed seat; A second connecting frame is installed on the protective plate.

5. A tunnel blasting protection device for water conservancy project construction according to claim 4, characterized in that: One end of the link rod is rotatably arranged on the first connecting frame, and the other end of the link rod is rotatably arranged on the second connecting frame.

6. The tunnel blasting protection device for water conservancy project construction according to claim 2, characterized in that: The lifting frame is slidably arranged on the sliding rod, and the lifting frame is threadedly connected to the lead screw.

7. A tunnel blasting protection device for water conservancy project construction according to claim 6, characterized in that: One end of the lead screw is rotatably arranged in the positioning hole, the other end of the lead screw is rotatably arranged in the connection hole, and an operating rod is installed on the lead screw.

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