Ditching device for civil engineering construction

Abstract

The utility model relates to the technical field of civil engineering, in particular to a ditching device for civil engineering construction, which comprises a frame, a dust falling mechanism arranged above the frame, and a ditching mechanism used for ditching land and positioned below the dust falling mechanism, the ditching mechanism comprises a ditching assembly used for ditching the land and a lifting assembly used for adjusting the ditching depth, a plurality of ditching cutters are arranged on the surface of the rotating roller, and an avoiding assembly used for driving the ditching cutters to achieve avoiding when encountering stones in the excavation process is arranged between the ditching cutters and the rotating roller. The ditching device has the beneficial effects that when the ditching cutter rotates at a high speed and collides with stones in soil, the avoiding assembly can be used for driving the ditching cutter to rotate in a small range when colliding with the stones so as to avoid front collision with the stones, so that the impact force between the ditching cutter and the stones is effectively reduced, and damage to the ditching cutter caused by front collision between the ditching cutter and the stones is reduced; and the service life of the ditching knife is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to civil engineering technical field especially is civil engineering construction is with ditching device. BACKGROUND

[0002] In civil engineering construction, in order to meet the need of burying pipeline, cable, drainage and so on, usually need to carry out ditching work, usually need a ditching device in ditching work, ditching device is mainly used for efficiently, accurately excavating trench in civil engineering to meet various construction needs, such as laying pipeline, cable and so on.

[0003] Through comparison patent announcement no. CN221740874U is with the slotter for civil engineering, in this scheme, although this device can flexibly adjust the number of slotting drill bit expansion according to the need, to adapt to different slotting width, but, when slotting, soil can contain relatively hard stone, in the high-speed operation of drill bit and stone constantly collide, long time down can extremely fast wear and tear the service life of slotting drill bit, even can cause the damage phenomenon of drill bit. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of ditching devices for civil engineering construction to solve the above problems.

[0005] The utility model achieves the above-mentioned purposes by the following technical solutions:

[0006] A kind of ditching device for civil engineering construction, including frame, dust-settling mechanism is provided in the top of frame, further include the ditching mechanism for land ditching, ditching mechanism is located in the lower dust-settling mechanism;

[0007] Ditching mechanism includes the ditching assembly for land ditching, the lifting assembly for adjusting the depth of ditching;

[0008] Ditching assembly includes rotation roller that is movably arranged on the top of frame, rotation roller rotary end is equipped with rotating motor, rotation roller surface is equipped with multiple ditching knives, ditching knife and rotation roller between being equipped with the avoidance component for avoiding when encountering stone in excavation process and drive ditching knife to realize avoidance.

[0009] Preferably: avoidance component includes multiple avoidance grooves that are set on the surface of rotation roller, ditching knife is rotatably installed in avoidance groove, torsional spring is connected between the rotary end of ditching knife and avoidance groove, wedge block is arranged on the side close to the center of rotation roller of ditching knife, the inclination angle between the upper end surface of wedge block and horizontal plane is less than the inclination angle between the end surface close to ditching knife and horizontal plane, pressing plate is fixed on the upper end of ditching knife, pre-tightening spring is connected between wedge block and avoidance groove, pressing plate is horizontally arranged, pressing plate and wedge block are slidingly matched, and blocking component for preventing soil from entering avoidance groove is arranged between ditching knife and avoidance groove.

[0010] Preferably: the blocking assembly includes arc-shaped grooves opened on the upper and lower sides of the avoiding groove, an arc-shaped baffle is slidably installed in the arc-shaped groove, the arc-shaped baffle is fixedly connected to the furrower at one end close to the furrower, and a gap is reserved between the arc-shaped baffle and the furrower at an end away from the furrower.

[0011] Preferably: the lifting assembly includes sliding frames arranged on both sides of the rotating roller, the sliding frames are fixedly connected to the frame, a lead screw is rotatably installed in each sliding frame, a lifting motor is installed at the rotating end of the lead screw, a lifting plate is slidably installed between the two sliding frames, the lifting plate is threadedly connected to the lead screw, two symmetrical fixed plates are fixed to the lower end of the lifting plate, and the rotating roller is rotatably installed between the two fixed plates.

[0012] Preferably: the dust falling mechanism includes a water spraying tank arranged on the upper end of the lifting plate, a water storage tank is arranged above the water spraying tank, a water pump is arranged between the water storage tank and the water spraying tank, and a plurality of atomizing nozzles are arranged on the rear side of the water spraying tank.

[0013] Preferably: the front side of the frame is provided with a push plate.

[0014] Compared with the prior art, the beneficial effects are as follows:

[0015] When the furrower in the furrowing assembly rotates at high speed and collides with the stone in the soil, the avoiding assembly can drive the furrower to rotate slightly when it collides with the stone, so as to avoid the head-on collision with the stone, thereby effectively reducing the impact force between the furrower and the stone, reducing the damage caused by the head-on collision between the two to the furrower, and prolonging the service life of the furrower. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained according to these drawings without creative labor for those skilled in the art.

[0017] Figure 1 is a space perspective view of the furrowing device for civil engineering construction according to the present application;

[0018] Figure 2 is a structural schematic view of the furrowing mechanism of the furrowing device for civil engineering construction according to the present application;

[0019] Figure 3 is a structural sectional view of the inside of the rotating roller of the furrowing device for civil engineering construction according to the present application;

[0020] Figure 4 is Figure 3 is an enlarged view of part A in FIG.

[0021] The reference signs are explained as follows:

[0022] 100, frame; 201, sliding frame; 202, screw rod; 203, lifting motor; 204, lifting plate; 205, fixed plate; 206, rotating roller; 207, rotating motor; 208, ditching knife; 209, avoiding groove; 210, arc-shaped groove; 211, arc-shaped baffle; 212, pressing plate; 213, wedge; 214, push plate; 301, water spraying tank; 302, water storage tank; 303, water pump; 304, atomizing nozzle. DETAILED DESCRIPTION

[0023] In the description of the utility model, it needs to be explained that, unless there is definite stipulation and limitation, the terms "mounting", "connecting", "connection" should be understood in broad sense, for example, it can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0024] The utility model will be further described below in conjunction with the drawings:

[0025] As Figures 1-4 Shown, a kind of ditching device for civil engineering construction, including frame 100, for dust reduction of dust during construction dust reduction mechanism, dust reduction mechanism is located above frame 100, further include for land ditching ditching mechanism, ditching mechanism is located below dust reduction mechanism.

[0026] In the embodiment: ditching mechanism includes for land ditching ditching assembly, for the depth of ditching is adjusted lifting assembly.

[0027] Ditching assembly includes rotating roller 206, which is movably arranged above frame 100, rotating roller 206 rotating end is equipped with rotating motor 207, rotating roller 206 surface is equipped with a plurality of ditching knives 208, ditching knife 208 and rotating roller 206 between ditching knife 208 is driven to avoid when encountering stone in the process of excavation and is equipped with avoiding assembly.

[0028] The avoiding assembly comprises a plurality of avoiding grooves 209 formed on the surface of the rotating roller 206, the cutting knife 208 is rotatably installed in the avoiding groove 209, a torsion spring is connected between the rotating end of the cutting knife 208 and the avoiding groove 209, the wedge block 213 is arranged on the side of the cutting knife 208 close to the center of the rotating roller 206, the inclination angle between the upper end surface of the wedge block 213 and the horizontal plane is smaller than the inclination angle between the end surface close to the cutting knife 208 and the horizontal plane, the pressing plate 212 is fixed on the upper end of the cutting knife 208, the pre-tightening spring is connected between the wedge block 213 and the avoiding groove 209, the pressing plate 212 is horizontally arranged, the pressing plate 212 is in sliding fit with the wedge block 213, and the blocking assembly for preventing the soil from entering the avoiding groove 209 is arranged between the cutting knife 208 and the avoiding groove 209.

[0029] The blocking assembly comprises arc-shaped grooves 210 formed on the upper and lower sides of the avoiding groove 209, and the arc-shaped baffle 211 is slidably installed in the arc-shaped groove 210, the end of the arc-shaped baffle 211 close to the cutting knife 208 is fixedly connected with the cutting knife 208, and the end away from the cutting knife 208 has a reserved gap with the arc-shaped groove 210.

[0030] The lifting assembly comprises the sliding frames 201 arranged on the two sides of the rotating roller 206, the sliding frames 201 are fixedly connected with the vehicle frame 100, the lead screw 202 is rotatably installed in the sliding frame 201, the lifting motor 203 is installed on the rotating end of the lead screw 202, the lifting plate 204 is slidably installed between the two sliding frames 201, the lifting plate 204 is in threaded connection with the lead screw 202, the two symmetrical fixed plates 205 are fixed on the lower end of the lifting plate 204, the rotating roller 206 is rotatably installed between the two fixed plates 205, and the push plate 214 is arranged on the front side of the vehicle frame 100.

[0031] In the embodiment, the dust falling mechanism comprises the water spraying tank 301 arranged on the upper end of the lifting plate 204, the water storage tank 302 is arranged above the water spraying tank 301, the water pump 303 is arranged between the water storage tank 302 and the water spraying tank 301, and the plurality of atomizing nozzles 304 are arranged on the rear side of the water spraying tank 301.

[0032] Working principle: the device is moved to the soil to be slotted, then drive the lifting motor 203 with lead screw 202 rotation, in turn drive the lifting plate 204 down, drive the rotating roller 206 down, drive the rotating motor 207 with the rotating roller 206 high speed rotation, drive the rotating roller 206 on multiple ditching knife 208 high speed rotation, drive multiple ditching knife 208 to the soil ditch, when the frame 100 moves forward, the push plate 214 is used to push the garbage in front of the forward, to prevent the garbage from affecting the slotting.

[0033] When the ditching knife 208 collides with the stone, the reaction force of the stone on the ditching knife 208 will make the ditching knife 208 rotate clockwise upward, in turn drive the pressing plate 212 to rotate clockwise downward, and the wedge 213 is extruded, drive the wedge 213 to move close to the center of the rotating roller 206, when the pressing plate 212 and the upper end of the wedge 213 are in sliding fit, the reaction force of the smaller stone on the ditching knife 208 will make the ditching knife 208 rotate clockwise, reduce the head-on collision between the ditching knife 208 and the smaller stone, in turn reduce the collision intensity between them, buffer the ditching knife 208, and reduce the damage of head-on collision to the ditching knife 208.

[0034] When a larger stone is encountered, the larger stone will exert a greater reaction force on the ditching knife 208 when it collides with the ditching knife 208, which will make the ditching knife 208 rotate upward quickly, drive the pressing plate 212 to rotate downward quickly, in turn the pressing plate 212 will quickly extrude the wedge 213 to the center of the rotating roller 206, so that the wedge 213 completely escapes from the limiting of the pressing plate 212, in turn escapes from the limiting of the ditching knife 208, and makes the ditching knife 208 rotate upward greatly, effectively avoiding the collision between the ditching knife 208 and the larger stone, thereby effectively reducing the impact between the ditching knife 208 and the stone, reducing the damage of head-on collision between them to the ditching knife 208, and improving the service life of the ditching knife 208.

[0035] A large amount of dust will be generated during the ditching process, the water pump 303 is used to pump the water in the water storage tank 302 into the water spraying tank 301, and the multiple atomizing nozzles 304 in the water spraying tank 301 are used to spray water to realize the dust suppression effect.

[0036] The above shows and describes the basic principle, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application.

Claims

1. A trenching device for civil engineering construction comprising a vehicle frame (100) having a dust reduction mechanism provided thereon, characterised in that: Also include a trenching mechanism for trenching the land, the trenching mechanism is located below the dust falling mechanism; The trenching mechanism comprises a trenching assembly for trenching the land, a lifting assembly for adjusting the depth of the trenching; The trenching assembly comprises a rotating roller (206) movably arranged above the frame (100), a rotating motor (207) is installed at the rotating end of the rotating roller (206), a plurality of trenching knives (208) are arranged on the surface of the rotating roller (206), and an avoidance assembly is arranged between the trenching knives (208) and the rotating roller (206) to drive the trenching knives (208) to avoid when encountering stones during excavation.

2. A trenching device for civil engineering construction according to claim 1, characterised in that: The avoidance assembly comprises a plurality of avoidance grooves (209) formed on the surface of the rotating roller (206), the trenching knives (208) are rotatably installed in the avoidance grooves (209), torsional springs are connected between the rotating end of the trenching knives (208) and the avoidance grooves (209), a wedge block (213) is arranged on the side close to the center of the rotating roller (206), the inclination angle between the upper end surface of the wedge block (213) and the horizontal plane is smaller than the inclination angle between the end surface close to the trenching knife (208) and the horizontal plane, a pressing plate (212) is fixed to the upper end of the trenching knife (208), a pre-tightening spring is connected between the wedge block (213) and the avoidance groove (209), the pressing plate (212) is horizontally arranged, the pressing plate (212) and the wedge block (213) are in sliding fit, and a blocking assembly is arranged between the trenching knife (208) and the avoidance groove (209) to prevent soil from entering the avoidance groove (209).

3. A trenching device for civil engineering construction according to claim 2, characterised in that: The blocking assembly comprises an arc-shaped groove (210) formed on the upper and lower sides of the avoidance groove (209), an arc-shaped baffle (211) is slidably installed in the arc-shaped groove (210), one end of the arc-shaped baffle (211) close to the trenching knife (208) is fixedly connected with the trenching knife (208), and the other end away from the trenching knife (208) has a reserved gap with the arc-shaped groove (210).

4. A trenching device for civil engineering construction according to claim 3, characterised in that: The lifting assembly comprises a sliding frame (201) arranged on both sides of the rotating roller (206), the sliding frame (201) is fixedly connected with the frame (100), a lead screw (202) is rotatably installed in the sliding frame (201), a lifting motor (203) is installed at the rotating end of the lead screw (202), a lifting plate (204) is slidably installed between the two sliding frames (201), the lifting plate (204) is threadedly connected with the lead screw (202), two symmetrical fixed plates (205) are fixed to the lower end of the lifting plate (204), and the rotating roller (206) is rotatably installed between the two fixed plates (205).

5. A trenching device for civil engineering construction according to claim 4, characterised in that: The dust falling mechanism comprises a water spraying tank (301) arranged at the upper end of the lifting plate (204), a water storage tank (302) arranged above the water spraying tank (301), a water pump (303) arranged between the water spraying tank (301) and the water storage tank (302), and a plurality of atomizing nozzles (304) arranged at the rear side of the water spraying tank (301).

6. A trenching device for civil engineering construction according to claim 5, characterised in that: The front side of the frame (100) is provided with a push plate (214).

Images