Stone crusher for earth-rock engineering

Abstract

The utility model discloses an earth-rock engineering stone crusher, which relates to the technical field of earth-rock engineering construction, and comprises a box body, a crushing mechanism is arranged in the box body, a pressing mechanism is arranged above the box body, a pair of push rods is hinged to each of the left side and the right side of the top end of the pressing mechanism, and sliding blocks are hinged to the top ends of the pair of push rods. The driving mechanism works to drive the sliding blocks to slide on the guide rail, then the position of the top of the push rod is changed, the downward pressing mechanism at the bottom end of the push rod is made to move downwards to act on stones, and therefore the stones can be pressed down, the stones can be pressed down, and the stones can be pressed down. And stones can be crushed by the crushing mechanism more quickly, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to earth -work construction technical field, concretely is a kind of earth -work construction stone block breaker. BACKGROUND

[0002] Earthwork is one of main projects in building engineering construction, including all earthwork's excavation, filling, transportation and drainage, dewatering and so on, in civil engineering, earthwork has: site leveling, roadbed excavation, civil air defense engineering excavation, floor filling, roadbed filling and foundation pit backfilling.

[0003] Earthwork crushing is crushed by the opposite rotation of a pair of crushing rollers, but the size of the stone for earthwork is different, part of the stone can roll on the crushing roller, and cannot be crushed by the crushing roller, which affects the crushing efficiency of the crusher.

[0004] In order to solve the above problems, we improve it and propose a kind of earthwork engineering stone block breaker. UTILITY MODEL CONTENTS

[0005] In order to solve the above technical problems, the utility model provides the following technical scheme:

[0006] The utility model provides a kind of earthwork engineering stone block breaker, including box, the inside installation of box is equipped with crushing mechanism, the upper portion of box is equipped with down-pressing mechanism, the top of down-pressing mechanism is hinged to a pair of push rods on left and right sides, the top of a pair of push rods is hinged to a pair of sliding blocks, two sliding blocks are slidably connected with guide rail in the inside, and guide rail is fixedly connected to the top of box, and driving mechanism is arranged between two sliding blocks.

[0007] As a preferred technical scheme of the utility model, the driving mechanism includes second motor, and second motor is fixedly connected to the outside of box, the output end of second motor is fixedly connected with bidirectional screw rod, the outside of bidirectional screw rod is threadedly connected with two connecting plates, and the two ends of two connecting plates are fixedly connected with two pairs of sliding blocks respectively.

[0008] As a preferred technical scheme of the utility model, the crushing mechanism includes a pair of crushing rollers, and a pair of crushing rollers are installed in the inside of box, the end of a pair of crushing rollers is fixedly connected with gear, and two gears are engaged with each other, and the side of one gear is installed with first motor.

[0009] As a preferred technical scheme of the utility model, the down-pressing mechanism includes mounting plate, and the top of mounting plate is hinged to push rod, a plurality of pressing plates are arranged in the lower portion of mounting plate, the top of pressing plate is fixedly connected with a pair of springs, and the top of spring is fixedly connected with mounting plate.

[0010] As a preferred technical scheme of the utility model, the top end of the pressing plate is fixedly connected with a telescopic rod, and the top end of the telescopic rod is fixedly connected with the mounting plate.

[0011] As a preferred technical scheme of the utility model, the bottom of the box body is provided with four supporting legs, and the lower portion of the box body is provided with a collecting frame.

[0012] As a preferred technical scheme of the utility model, the right side of the box body is fixedly connected with a supporting plate, the top end of the supporting plate is fixedly connected with a base, and the base is fixedly connected to the bottom end of the first motor.

[0013] The utility model has the advantages of:

[0014] The utility model discloses, drive mechanism work drive sliding block on the guide rail sliding, and then change the position of the push rod top, and then make the push rod bottom end's down mechanism descend, act on the stone, make the stone can be broken more quickly by broken mechanism, improve work efficiency.

[0015] The utility model discloses, when down mechanism act on the top end of the stone, the spring is compressed in the upstroke of the pressing plate, and the telescopic rod contracts, and the rest part of the pressing plate can continue to descend and act on the top of the smaller stone, expand the operation range. DRAWINGS

[0016] The drawings are used to provide further understanding of the utility model and constitute a part of the specification, are used to explain the utility model together with the embodiments of the utility model, and do not constitute the limitation to the utility model.In the drawings:

[0017] Figure 1 It is the perspective view of the utility model;

[0018] Figure 2 It is the sectional view of the utility model;

[0019] Figure 3 It is the Figure 2 Enlarged view of A in the middle;

[0020] In the drawing: 1, box body;2, supporting leg;3, collecting frame;4, supporting plate;5, base;6, first motor;7, gear;8, second motor;9, bidirectional screw rod;10, guide rail;11, mounting plate;12, broken roller;13, connecting plate;14, sliding block;15, push rod;16, pressing plate;17, telescopic rod;18, spring. CONCRETE IMPLEMENTATION

[0021] The preferred embodiments of the utility model are described below in combination with the drawings, and it should be understood that the preferred embodiments described here are only used to illustrate and explain the utility model, and are not used to limit the utility model.

[0022] Embodiment: As shown in Figures 1-3 The soil and stone engineering stone crusher comprises a box body 1, a crushing mechanism is installed in the inside of the box body 1, a pressing mechanism is installed on the top of the box body 1, a pair of push rods 15 are hinged to the top of the pressing mechanism on the left and right sides, a sliding block 14 is hinged to the top of each push rod 15, a guide rail 10 is slidably connected to the inside of each sliding block 14, the guide rail 10 is fixedly connected to the top of the box body 1, a driving mechanism is arranged between the two sliding blocks 14, four supporting legs 2 are installed at the bottom of the box body 1, and a collecting frame 3 is arranged below the box body 1.

[0023] When the stone enters the box body 1 and falls on the crushing mechanism, the driving mechanism works to drive the sliding blocks 14 to slide on the guide rails 10, thereby changing the positions of the top of the push rods 15, and driving the pressing mechanism at the bottom of the push rods 15 to move downward to act on the stone, so that the stone can be broken by the crushing mechanism more quickly, and the working efficiency is improved.

[0024] Specifically, as shown in Figure 2 and Figure 3 The driving mechanism comprises a second motor 8, the second motor 8 is fixedly connected to the outside of the box body 1, a bidirectional threaded rod 9 is fixedly connected to the output end of the second motor 8, two connecting plates 13 are threadedly connected to the outside of the bidirectional threaded rod 9, the two ends of the two connecting plates 13 are fixedly connected to the two pairs of sliding blocks 14, the second motor 8 works to drive the bidirectional threaded rod 9 to rotate, the rotating bidirectional threaded rod 9 drives the two connecting plates 13 to move towards each other, thereby driving the sliding blocks 14 to slide on the guide rails 10.

[0025] Specifically, as shown in Figure 1 and Figure 2 The crushing mechanism comprises a pair of crushing rollers 12, the crushing rollers 12 are installed in the inside of the box body 1, gears 7 are fixedly connected to the ends of the crushing rollers 12, the gears 7 are meshed with each other, a first motor 6 is installed on the side of one of the gears 7, a supporting plate 4 is fixedly connected to the right side of the box body 1, a base 5 is fixedly connected to the top end of the supporting plate 4, the base 5 is fixedly connected to the bottom end of the first motor 6, the first motor 6 works to drive one of the gears 7 to rotate, the rotating gear 7 drives the other gear 7 to rotate, thereby driving the two crushing rollers 12 to rotate towards each other to break the stone.

[0026] Specifically, as shown in 2 and Figure 3As shown, the pressing mechanism comprises a mounting plate 11, and the top end of the mounting plate 11 is hinged with a push rod 15, a plurality of pressing plates 16 are arranged in an array below the mounting plate 11, the top end of the pressing plate 16 is fixedly connected with a pair of springs 18, and the top end of the spring 18 is fixedly connected with the mounting plate 11, the top end of the pressing plate 16 is fixedly connected with an extension rod 17, and the top end of the extension rod 17 is fixedly connected with the mounting plate 11, the extension rod 17 is a multi-section extension rod, when the pressing mechanism acts on the top end of the stone, the pressing plate 16 goes up to compress the spring 18, the extension rod 17 is retracted, and the remaining pressing plates 16 can continue to go down to act on the top of the smaller stone, thereby expanding the working range.

[0027] Working principle: after the stone enters the box 1 and falls on the crushing mechanism, the second motor 8 works to drive the bidirectional threaded rod 9 to rotate, the rotating bidirectional threaded rod 9 drives the two connecting plates 13 to move towards each other, thereby driving the sliding block 14 to slide on the guide rail 10, thereby changing the position of the top of the push rod 15, thereby making the bottom end of the push rod 15 go down, when the pressing mechanism acts on the top end of the stone, according to the size of the stone below, the larger stone hinders the pressing plate 16 to go down, the spring 18 is compressed, the extension rod 17 is retracted, and the remaining pressing plates 16 can continue to go down to act on the top of the smaller stone, the first motor 6 works to drive a gear 7 to rotate, the rotating gear 7 drives another gear 7 to rotate, thereby making the two crushing rollers 12 rotate towards each other to crush the stone, and the crushed stone falls into the collecting frame 3 below the box 1.

[0028] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A civil engineering stone block breaker comprising a housing (1), characterized in that, A crushing mechanism is installed inside the box (1), and a pressing mechanism is installed above the box (1). A pair of push rods (15) are hinged on the left and right sides of the top of the pressing mechanism, and a slider (14) is hinged on the top of the pair of push rods (15). The two sliders (14) are internally slidably connected to a guide rail (10), and the guide rail (10) is fixedly connected to the top of the box (1). A driving mechanism is provided between the two sliders (14), and the driving mechanism includes a second motor (8), and the second motor (8) is fixedly connected to the outside of the box (1). The output end of the second motor (8) is fixedly connected to a bidirectional threaded rod (9). The outer side of the bidirectional threaded rod (9) is connected to two connecting plates (13) by threads, and the two ends of the two connecting plates (13) are fixedly connected to two pairs of sliders (14) respectively. The pressing mechanism includes a mounting plate (11), and the top end of the mounting plate (11) is hinged to the push rod (15). A plurality of pressing plates (16) are arranged in an array below the mounting plate (11), and the top end of the pressing plate (16) is fixedly connected to a pair of springs (18), and the top end of the spring (18) is fixedly connected to the mounting plate (11). The top end of the pressing plate (16) is fixedly connected to a telescopic rod (17), and the top end of the telescopic rod (17) is fixedly connected to the mounting plate (11).

2. A stone block crusher for earthwork according to claim 1, characterized in that, The crushing mechanism comprises a pair of crushing rollers (12), and the pair of crushing rollers (12) are installed inside the box (1), the ends of the pair of crushing rollers (12) are fixedly connected to gears (7), and the two gears (7) are meshed with each other, and a first motor (6) is installed on the side of one of the gears (7).

3. The earthwork stone block crusher according to claim 1, characterized in that, Four supporting legs (2) are installed at the bottom of the box body (1), and a collection frame (3) is provided below the box body (1).

4. The earthwork stone block crusher according to claim 1, characterized in that, A support plate (4) is fixedly connected to the right side of the box body (1), a top end of the support plate (4) is fixedly connected to a base (5), and the base (5) is fixedly connected to the bottom end of the first motor (6).

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