Rock crushing device for tunnel construction

Abstract

The utility model discloses a tunnel construction rock crushing device, which belongs to the technical field of tunnel construction, and comprises a crushing box, a cleaning mechanism is arranged on the top surface of the crushing box, a feeding hole is formed in the top surface of the crushing box, a U-shaped plate is fixedly connected to the top surface of the crushing box, an L-shaped bracket is fixedly connected to the top surface of the crushing box, and the U-shaped plate is fixedly connected to the top surface of the crushing box. And a first motor is fixedly mounted on the top surface of the L-shaped bracket. According to the rock crushing device, rocks needing to be crushed are placed into the inner cavity of the storage groove, the threaded rod is driven by the first motor to rotate, the lifting bucket and the rocks are driven to move upwards through threaded fit between the threaded rod and the lifting bucket, and when the bottom face of the inner cavity of the storage groove is flush with the top face of the crushing box, the electric telescopic rod is used for driving the push plate to move; and the rock in the storage groove is pushed into the feeding opening, the function of automatically lifting and feeding the rock is achieved, and the convenience of the tunnel construction rock crushing device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel construction, and more specifically to a rock crushing device for tunnel construction. Background Art

[0002] Highway tunnels are one of the important components of highway engineering structures.

[0003] After searching, the invention patent with announcement number CN114433287A discloses a mobile rock crushing device for tunnel construction, including a collecting box, a crushing roller is fixedly connected to the left side of the top wall of the collecting box, guide plates are fixedly connected to the front and rear sides of the right side of the collecting box, a first connecting column is fixedly connected to the middle of the bottom end of the first connecting strip, a spring is fixedly connected to the bottom of the first connecting column, a hollow tube is slidably connected to the top outer wall of the second connecting column, a second connecting strip is fixedly connected to the bottom of the second connecting column, a second connecting block is fixedly connected to the front and rear sides of the bottom end of the second connecting strip, a rotating shaft is fixedly connected to the adjacent part of the second connecting block, a floor roller is fixedly connected to the outer wall of the rotating shaft, and a rubber belt is slidably connected to the outside of the floor roller; in this patent, the device can adapt to various complex terrains inside the tunnel and will not be unable to move forward at any time due to the internal phenomenon.

[0004] However, the above patent has the following shortcomings: when the device is used to crush rocks, it needs manpower to carry the rocks to a high place in the box, and then put the rocks into the box for crushing, which is not convenient; in addition, the dust generated during crushing is sucked into the filter box, which easily causes the filter plate in the filter box to be blocked. For this reason, we propose a rock crushing device for tunnel construction. Utility Model Content

[0005] In view of the problems existing in the prior art, the utility model aims to provide a rock crushing device for tunnel construction.

[0006] In order to solve the above problems, the utility model adopts the following technical solutions:

[0007] A rock crushing device for tunnel construction comprises a crushing box, a cleaning mechanism is provided on the top surface of the crushing box, a feeding port is opened on the top surface of the crushing box, a U-shaped plate is fixedly connected to the top surface of the crushing box, an L-shaped bracket is fixedly connected to the top surface of the crushing box, a first motor is fixedly installed on the top surface of the L-shaped bracket, a support seat is fixedly connected to the side surface of the crushing box, a threaded rod is rotatably connected between the L-shaped bracket and the support seat, a lifting bucket is threadedly sleeved on the outer side of the threaded rod, a storage groove is provided on the end of the lifting bucket, the output shaft of the first motor is fixedly connected to the top end of the threaded rod, two electric telescopic rods are fixedly installed on the outer side of the lifting bucket, the output end of the electric telescopic rod extends to the inner cavity of the storage groove and is fixedly connected to a push plate, and a discharge frame is provided on the side surface of the crushing box.

[0008] As a preferred scheme of the utility model, the cleaning mechanism includes a cleaning box fixedly connected to the top surface of the crushing box, an air suction pump is fixedly installed on the inner wall of the cleaning box, the input end of the cleaning box extends to the outside of the cleaning box and is fixedly connected to a dust suction pipe, the end of the dust suction pipe is fixedly connected to a dust suction hopper, the bottom end of the dust suction hopper extends to the inner cavity of the crushing box, the bottom surface of the inner cavity of the cleaning box is fixedly connected to a mounting seat, a filter plate is fixedly sleeved between the top surface of the mounting seat and the inner wall of the cleaning box, a second motor is fixedly installed on the bottom surface of the inner cavity of the cleaning box, the output shaft of the second motor is fixedly connected to a reciprocating screw, the top end of the reciprocating screw is rotatably connected to the cleaning box, the outer side of the reciprocating screw is threadedly sleeved with a scraper, and the end face of the scraper fits the end face of the filter plate.

[0009] As a preferred solution of the utility model, a baffle is hinged on the top surface of the cleaning box, and a handle is fixedly installed on the top surface of the baffle.

[0010] As a preferred solution of the utility model, an air outlet is provided on the side of the cleaning box.

[0011] As a preferred solution of the utility model, two limiting rods are fixedly connected between the L-shaped bracket and the support seat, and the limiting rods are movably sleeved with the lifting bucket.

[0012] As a preferred solution of the utility model, two sides of the push plate are respectively in contact with the inner wall of the storage tank.

[0013] Compared with the prior art, the advantages of the present invention are:

[0014] (1) In the utility model, the rock to be crushed is placed in the inner cavity of the storage trough, and the first motor is used to drive the threaded rod to rotate. The threaded cooperation between the threaded rod and the lifting bucket drives the lifting bucket and the rock to move upward. When the bottom surface of the inner cavity of the storage trough is flush with the top surface of the crushing box, the electric telescopic rod is used to drive the push plate to move and push the rock in the storage trough into the feed port, thereby realizing the function of automatically lifting and loading the rock, which is very convenient to use.

[0015] (2) In the utility model, an air suction pump is used to make the dust suction pipe and the dust suction hopper generate suction to suck the dust generated by the rock crushing in the crushing box into the inner cavity of the cleaning box, and the filter plate is used to filter the dust in the gas. In addition, the reciprocating screw is driven to rotate by the second motor, and the threaded joint between the reciprocating screw and the scraper is used to drive the scraper to move up and down, and the scraper is used to scrape the dust on the filtering surface of the filter plate, thereby ensuring the filtering performance of the filter plate and improving the working quality of the rock crushing device for tunnel construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a structural schematic diagram of the lifting bucket of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the cleaning box of the utility model;

[0019] Figure 4 It is a cross-sectional schematic diagram of the cleaning box of the utility model.

[0020] Description of the numbers in the figure:

[0021] 1. Crushing box; 2. Feeding port; 3. U-shaped plate; 4. L-shaped bracket; 5. First motor; 6. Support seat; 7. Lifting bucket; 8. Electric telescopic rod; 9. Push plate; 10. Storage slot; 11. Threaded rod; 12. Limiting rod; 13. Discharging frame; 14. Cleaning box; 15. Dust suction duct; 16. Dust suction hopper; 17. Suction pump; 18. Mounting seat; 19. Filter plate; 20. Second motor; 21. Reciprocating screw rod; 22. Scraper; 23. Air outlet; 24. Baffle; 25. Handle; 26. Cleaning mechanism. DETAILED DESCRIPTION

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the utility model in conjunction with 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 of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0025] Example:

[0026] See also Figure 1-4 A rock crushing device for tunnel construction comprises a crushing box 1, a cleaning mechanism 26 is arranged on the top surface of the crushing box 1, a feeding port 2 is opened on the top surface of the crushing box 1, a U-shaped plate 3 is fixedly connected to the top surface of the crushing box 1, an L-shaped bracket 4 is fixedly connected to the top surface of the crushing box 1, a first motor 5 is fixedly installed on the top surface of the L-shaped bracket 4, a support seat 6 is fixedly connected to the side of the crushing box 1, a threaded rod 11 is rotatably connected between the L-shaped bracket 4 and the support seat 6, a lifting bucket 7 is threadedly sleeved on the outer side of the threaded rod 11, a storage groove 10 is arranged at the end of the lifting bucket 7, an output shaft of the first motor 5 is fixedly connected to the top end of the threaded rod 11, two electric telescopic rods 8 are fixedly installed on the outer side of the lifting bucket 7, the output end of the electric telescopic rod 8 extends to the inner cavity of the storage groove 10 and is fixedly connected to a push plate 9, and a discharging frame 13 is arranged on the side of the crushing box 1.

[0027] In this embodiment, when the lifting bucket 7 is raised to a high position, the end face of the lifting bucket 7 fits with the end face of the U-shaped plate 3, ensuring that the rocks in the storage trough 10 can smoothly enter the feed port 2. In addition, a crushing mechanism is provided in the crushing box 1, which is a prior art and will not be elaborated on.

[0028] For details, please refer to Figure 1The cleaning mechanism 26 includes a cleaning box 14 fixedly connected to the top surface of the crushing box 1, an air suction pump 17 is fixedly installed on the inner wall of the cleaning box 14, the input end of the cleaning box 14 extends to the outside of the cleaning box 14 and is fixedly connected to a dust suction pipe 15, the end of the dust suction pipe 15 is fixedly connected to a dust suction hopper 16, the bottom end of the dust suction hopper 16 extends to the inner cavity of the crushing box 1, the bottom surface of the inner cavity of the cleaning box 14 is fixedly connected to a mounting seat 18, a filter plate 19 is fixedly sleeved between the top surface of the mounting seat 18 and the inner wall of the cleaning box 14, a second motor 20 is fixedly installed on the bottom surface of the inner cavity of the cleaning box 14, the output shaft of the second motor 20 is fixedly connected to a reciprocating screw rod 21, the top end of the reciprocating screw rod 21 is rotatably connected to the cleaning box 14, the outer side of the reciprocating screw rod 21 is threadedly sleeved with a scraper 22, and the end surface of the scraper 22 is in contact with the end surface of the filter plate 19.

[0029] In this embodiment, both ends of the scraper 22 are respectively in contact with the inner wall of the cleaning box 14 , and the scraper 22 is limited by the inner wall of the cleaning box 14 , so that the scraper 22 can move along the axial direction of the reciprocating screw 21 .

[0030] For details, please refer to Figure 3 A baffle 24 is hinged on the top surface of the cleaning box 14 , and a handle 25 is fixedly mounted on the top surface of the baffle 24 .

[0031] In this embodiment, the dust collected in the inner cavity of the cleaning box 14 can be cleaned by opening the baffle 24 .

[0032] For details, please refer to Figure 3 An air outlet 23 is provided on the side of the cleaning box 14 .

[0033] In this embodiment, the gas filtered by the filter plate 19 is discharged from the gas outlet 23 .

[0034] For details, please refer to Figure 2 Two limiting rods 12 are fixedly connected between the L-shaped bracket 4 and the supporting seat 6, and the limiting rods 12 are movably connected to the lifting bucket 7.

[0035] In this embodiment, the limiting rod 12 is used to limit the lifting bucket 7 so that the lifting bucket 7 can only move along the axial direction of the threaded rod 11.

[0036] For details, please refer to Figure 2 The two sides of the push plate 9 are respectively in contact with the inner wall of the storage groove 10.

[0037] In this embodiment, it is ensured that the push plate 9 can completely push out the rocks stored in the storage trough 10.

[0038] Working principle: When in use, first pour the rocks to be crushed into the inner cavity of the storage tank 10, start the first motor 5 to drive the threaded rod 11 to rotate, and drive the lifting bucket 7 and the rocks to move up through the threaded cooperation between the threaded rod 11 and the lifting bucket 7. Then, when the bottom surface of the inner cavity of the storage tank 10 is flush with the top surface of the crushing box 1, turn off the first motor 5, start the electric telescopic rod 8 to drive the push plate 9 to move, and use the push plate 9 to push the rocks in the storage tank 10 into the feed port 2, so that the rocks enter the crushing box 1 from the feed port 2 for crushing, and the crushed rocks are discharged from the discharge frame 13. Finally, the rock crusher 10 is crushed. During the crushing process, the suction pump 17 is started to generate suction in the dust suction pipe 15 and the dust suction hopper 16. The dust generated by the rock crushing in the crushing box 1 is sucked into the inner cavity of the cleaning box 14 by the suction force of the dust suction hopper 16. The dust in the gas is filtered by the filter plate 19, and the filtered gas is discharged from the air outlet 23. In addition, the second motor 20 is started to drive the reciprocating screw 21 to rotate, and the threaded cooperation between the reciprocating screw 21 and the scraper 22 is used to drive the scraper 22 to move back and forth up and down, and the scraper 22 is used to scrape off the dust on the filtering surface of the filter plate 19 to ensure the filtering performance of the filter plate 19.

[0039] The above is only a preferred specific implementation method of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes within the technical scope disclosed by the utility model according to the technical solution and improved ideas of the utility model, which should be included in the protection scope of the utility model.

Claims

1. A rock crushing device for tunnel construction, comprising a crushing box (1), characterized in that: The top surface of the crushing box (1) is provided with a cleaning mechanism (26); the top surface of the crushing box (1) is provided with a feed port (2); the top surface of the crushing box (1) is fixedly connected to a U-shaped plate (3); the top surface of the crushing box (1) is fixedly connected to an L-shaped bracket (4); the top surface of the L-shaped bracket (4) is fixedly mounted with a first motor (5); the side surface of the crushing box (1) is fixedly connected to a support seat (6); a threaded rod (26) is rotatably connected between the L-shaped bracket (4) and the support seat (6) 11), the outer side of the threaded rod (11) is threadedly sleeved with a lifting bucket (7), the end of the lifting bucket (7) is provided with a storage groove (10), the output shaft of the first motor (5) is fixedly connected to the top of the threaded rod (11), two electric telescopic rods (8) are fixedly installed on the outer side of the lifting bucket (7), the output end of the electric telescopic rod (8) extends to the inner cavity of the storage groove (10) and is fixedly connected with a push plate (9), and the side of the crushing box (1) is provided with a discharge frame (13).

2. A rock crushing device for tunnel construction according to claim 1, characterized in that: The cleaning mechanism (26) comprises a cleaning box (14) fixedly connected to the top surface of the crushing box (1), an air suction pump (17) fixedly mounted on the inner wall of the cleaning box (14), an input end of the cleaning box (14) extending to the outside of the cleaning box (14) and fixedly connected to a dust suction pipe (15), an end of the dust suction pipe (15) fixedly connected to a dust suction hopper (16), a bottom end of the dust suction hopper (16) extending to the inner cavity of the crushing box (1), and a mounting seat (17) fixedly connected to the bottom surface of the inner cavity of the cleaning box (14) 18), a filter plate (19) is fixedly sleeved between the top surface of the mounting seat (18) and the inner wall of the cleaning box (14), a second motor (20) is fixedly mounted on the bottom surface of the inner cavity of the cleaning box (14), a reciprocating screw (21) is fixedly connected to the output shaft of the second motor (20), the top end of the reciprocating screw (21) is rotatably connected to the cleaning box (14), a scraper (22) is threadedly sleeved on the outer side of the reciprocating screw (21), and the end surface of the scraper (22) is in contact with the end surface of the filter plate (19).

3. A rock crushing device for tunnel construction according to claim 2, characterized in that: A baffle (24) is hingedly connected to the top surface of the cleaning box (14), and a handle (25) is fixedly mounted on the top surface of the baffle (24).

4. A rock crushing device for tunnel construction according to claim 2, characterized in that: An air outlet (23) is provided on the side of the cleaning box (14).

5. A rock crushing device for tunnel construction according to claim 1, characterized in that: Two limiting rods (12) are fixedly connected between the L-shaped bracket (4) and the support seat (6), and the limiting rods (12) are movably sleeved with the lifting bucket (7).

6. A rock crushing device for tunnel construction according to claim 1, characterized in that: Both sides of the push plate (9) are respectively in contact with the inner wall of the storage groove (10).

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