CN114396095A

CN114396095A - Underground engineering retaining wall builds structure fast

Info

Publication number: CN114396095A
Application number: CN202210164039.1A
Authority: CN
Inventors: 贾燕; 孙庆珍; 张大英; 杨东涛
Original assignee: Zhengzhou University of Aeronautics
Current assignee: Zhengzhou University of Aeronautics
Priority date: 2022-02-22
Filing date: 2022-02-22
Publication date: 2022-04-26
Anticipated expiration: 2042-02-22
Also published as: CN114396095B

Abstract

The invention discloses a rapid construction structure of an underground engineering retaining wall, and belongs to the technical field of underground construction. The ditching mechanism comprises a plurality of wheel sheets with sawteeth, the wheel sheets are coaxially fixed on a rotating shaft, the rotating shaft is rotatably connected to one side of a frame, and the rotating shaft is driven to rotate by a first power device; the box body is fixed on the frame, a plurality of plate bodies are placed in the box body, one side, close to the wheel sheets, of the bottom surface of the box body is provided with a sliding hole, the sliding hole and the wheel sheets are located in the same vertical plane, the side wall, perpendicular to the sliding hole, of the box body is provided with a transverse moving hole, the side wall of the moving hole is provided with a sliding groove, the sliding groove is connected with a sliding block in a sliding mode, and one side of the sliding block is fixedly connected with a second power device capable of enabling the sliding block to move; the other side of the sliding block is fixedly connected with a push plate, and the push plate is vertically arranged in the frame; the retaining wall of brick and concrete structure has been avoided to this structure, and the slow problem of construction progress has practiced thrift labour and economic cost simultaneously.

Description

Underground engineering retaining wall builds structure fast

Technical Field

The invention relates to the technical field of underground construction, in particular to a quick construction structure of an underground engineering retaining wall.

Background

The retaining wall is a structure for supporting roadbed filling or hillside soil and preventing the filling or soil from deforming and destabilizing; in the cross section of the retaining wall, the part which is directly contacted with the supported soil body is called a wall back; the part facing the wall back and being empty is called the wall surface; the part directly contacting with the foundation is called a substrate; the top surface of the wall opposite the base is called the wall top; the front end of the base is called a wall toe; the rear end of the base is called a wall heel;

in carrying out the underground construction process, in order to prevent underground slope body deformation unstability, often can be in the lower end of the slope body that already exists building masonry structure or concrete structure's retaining wall, the efficiency of construction is slow and economic cost is high, provides an underground engineering retaining wall and builds the structure fast for this reason.

Disclosure of Invention

The invention aims to overcome the problems in the prior art and provide a quick construction structure of an underground engineering retaining wall.

The invention provides a rapid construction structure of an underground engineering retaining wall, which comprises: the ditching machine comprises a frame, a ditching mechanism and a box body; the ditching mechanism comprises a plurality of wheel sheets with sawteeth, the wheel sheets are coaxially fixed on a rotating shaft, the rotating shaft is rotatably connected to one side of the frame, and the rotating shaft is driven to rotate through a first power device; the box body is fixed on the frame, a plurality of plate bodies are placed in the box body, one side, close to the wheel sheets, of the bottom surface of the box body is provided with a sliding hole, the sliding hole and the wheel sheets are located in the same vertical plane, the side wall, perpendicular to the sliding hole, of the box body is provided with a transverse moving hole, the side wall of the moving hole is provided with a sliding groove, the sliding groove is connected with a sliding block in a sliding mode, and one side of the sliding block is fixedly connected with a second power device capable of enabling the sliding block to move; the slider opposite side fixed connection push pedal, the vertical setting of push pedal is inside the frame.

Preferably, the first power device comprises a first motor, the first motor is fixed on the frame, an output shaft of the first motor is fixedly connected with a first belt pulley, the first belt pulley is connected with a second belt pulley through a belt, and the second belt pulley is fixed at the end of the rotating shaft.

Preferably, the second power device comprises a second motor, a gear and a rack, the second motor is fixed on the sliding block, an output shaft of the second motor is fixedly connected with the gear, the gear is meshed with the rack, and the rack is fixed on the outer wall of the frame along the length direction of the moving hole.

Preferably, the bottom of the frame is provided with a plurality of first electric telescopic rods, the end of each first electric telescopic rod is provided with a roller, one of the rollers is fixedly connected to an output shaft of a third motor, and the third motor is fixed to the corresponding first electric telescopic rod.

Preferably, one end face of the plate body is provided with a groove, the other end face of the plate body is fixed with a limiting block, the centers of the groove and the limiting block are on the same horizontal straight line, and the length of the limiting block is smaller than that of the groove.

Preferably, a fixing plate is fixedly arranged at the bottom of the frame, and the end face, close to the sliding hole, of the fixing plate is fixedly connected with the end part of the second electric telescopic rod.

Preferably, the first motor, the first electric telescopic rod, the second motor, the third motor and the second electric telescopic rod are all electrically connected with the processor, and the processor is electrically connected with the control panel.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the rapid construction structure of the underground engineering retaining wall, the lower edge of the slope body is grooved by driving the wheel sheets positioned at the edge, and then the plurality of plate bodies sequentially fall into the opened groove slots, so that the blocking and the stabilization of the slope body by the plate bodies are realized, the problem of slow construction progress of the retaining wall with brick and concrete structures is solved, and meanwhile, the labor and the economic cost are saved;

2. the cooperation between recess, stopper and the second electric telescopic handle realizes that two adjacent plate bodys can connect inseparabler, avoids the soil stone piece to lead to the problem that has great gap between two plate bodys for a plurality of plate bodys can closely link to each other end to end in proper order, have improved the intensity of plate body.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion of the present invention at A;

FIG. 3 is a cross-sectional view of the present invention;

fig. 4 is a schematic structural diagram of the plate body according to the present invention.

Description of reference numerals:

1. the bicycle comprises a frame, 11, a first electric telescopic rod, 12, a roller, 13, a fixed plate, 14, a second electric telescopic rod, 21, a wheel sheet, 22, a rotating shaft, 23, a first motor, 24, a first belt pulley, 25, a belt, 26, a second belt pulley, 3, a box body, 31, a sliding hole, 32, a moving hole, 33, a sliding groove, 34, a push plate, 35, a second motor, 36, a gear, 37, a rack, 38, a plate body, 381, a groove and 382, and a limiting block.

Detailed Description

The following detailed description of specific embodiments of the invention is provided, but it should be understood that the scope of the invention is not limited to the specific embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

The invention provides a rapid construction structure of an underground engineering retaining wall, which comprises the following components in the following steps as shown in figures 1-2-3: the ditching machine comprises a frame 1, a ditching mechanism and a box body 3; the ditching mechanism comprises a plurality of wheel sheets 21 with sawteeth, the wheel sheets 21 are coaxially fixed on a rotating shaft 22, the rotating shaft 22 is rotatably connected to one side of the frame 1, and the rotating shaft 22 is driven to rotate through a first power device; the box body 3 is fixed on the frame 1, a plurality of plate bodies 38 are placed in the box body 3, a sliding hole 31 is formed in one side, close to the wheel piece 21, of the bottom surface of the box body 3, the sliding hole 31 and the wheel piece 21 are located in the same vertical plane, a transverse moving hole 32 is formed in the side wall, perpendicular to the sliding hole 31, of the box body 3, a sliding groove 33 is formed in the side wall of the moving hole 32, the sliding groove 33 is connected with a sliding block in a sliding mode, and one side of the sliding block is fixedly connected with a second power device capable of enabling the sliding block to move; the other side of the sliding block is fixedly connected with a push plate 34, and the push plate 34 is vertically arranged inside the frame 1.

When the retaining wall is built at a lower position of a slope body, the local lower engineering retaining wall rapid building structure can move along the lower edge of the slope body, the problem that the plate bodies 38 cannot be close to the slope body due to the existence of the slope body is avoided, when the retaining wall rapid building structure is used, the first power device drives the plurality of wheel sheets 21 to rotate, a fixed gap is formed among the plurality of wheel sheets 21, so that the wheel sheets 21 cut and groove the ground along the lower edge of the slope body when rotating, meanwhile, the wheel sheets 21 arranged at intervals can bring more earth stones away from the groove gaps, the situation that more earth stones fall into the groove gaps is avoided, the second power device rotates forwards along with the groove gaps, the push plate 34 extrudes the plurality of plate bodies 38 in the box body 3, the plate bodies 38 above the sliding holes 31 are subjected to friction force caused by extrusion and cannot fall from the sliding holes 31, and after the second power device rotates reversely by a proper angle, the push plate 34 removes the extrusion of the plurality of plate bodies 38, the plate body 38 located above the sliding hole 31 is reduced in friction force, the plate body 38 falls into the opened slot from the sliding hole 31, the plate body 38 located in the slot serves as a retaining wall, the retaining wall with a brick building and concrete structure is avoided by the structure, the construction progress is slow, and labor and economic cost are saved.

Preferably, as shown in fig. 1, the first power device includes a first motor 23, the first motor 23 is fixed on the frame 1, an output shaft of the first motor 23 is fixedly connected to a first belt pulley 24, the first belt pulley 24 is connected to a second belt pulley 26 through a belt 25, and the second belt pulley 26 is fixed on an end portion of the rotating shaft 22.

The first motor 23 drives the first belt pulley 24 to rotate, and the plurality of wheel sheets 21 coaxially fixed with the second belt pulley 26 are driven to rotate through the belt 25, so that the groove opening to the ground is completed.

Preferably, as shown in fig. 1-2, the second power device includes a second motor 35, a gear 36 and a rack 37, the second motor 35 is fixed on the sliding block, an output shaft of the second motor 35 is fixedly connected with the gear 36, the gear 36 engages with the rack 37, and the rack 37 is fixed on the outer wall of the frame 1 along the length direction of the moving hole 32.

When the second motor 35 rotates, the rack 37 applies a reverse acting force to the gear 36, so that the second motor 35 moves, and the slide block and the push plate 34 are driven to move, so that the plurality of plate bodies 38 are extruded.

Preferably, as shown in fig. 1-3, a plurality of first electric telescopic rods 11 are arranged at the bottom of the frame 1, a roller 12 is arranged at an end of each first electric telescopic rod 11, one of the rollers 12 is fixedly connected to an output shaft of a third motor, and the third motor is fixed to the corresponding first electric telescopic rod 11.

When the groove is not formed in the ground, the first electric telescopic rods 11 are extended to make the wheel pieces 21 overhead so as to be convenient to move, and when the groove is formed in the ground, the first electric telescopic rods 11 are shortened to make the wheel pieces 21 close to the ground, and the third motor drives the roller 12 to move forward so as to provide forward force for cutting the ground.

Preferably, as shown in fig. 3-4, one end surface of the plate body 38 is provided with a groove 381, the other end surface is fixed with a limiting block 382, centers of the groove 381 and the limiting block 382 are on the same horizontal straight line, and a length of the limiting block 382 is smaller than that of the groove 381.

The purpose is that a plurality of plate bodies 38 can be closely connected end to end, and the limiting block 382 between two adjacent plate bodies 38 can be better clamped into the groove 381, so that the two adjacent plate bodies 38 are prevented from being dislocated with each other, and a gap is prevented from being generated.

Preferably, as shown in fig. 3, a fixing plate 13 is fixedly arranged at the bottom of the frame 1, and an end surface of the fixing plate 13 close to the sliding-down hole 31 is fixedly connected with an end portion of the second electric telescopic rod 14.

Inevitably, there are earth and stone piece in the slot that opens, lead to adjacent two plate body 38 can not the joint well, and when plate body 38 fell into the slot, second electric telescopic handle 14 extension to its tip impacted the terminal surface of the plate body 38 that has just fallen, made the impact process can extrude the earth and stone piece of slot bottom, made stopper 382 between the adjacent two plate body 38 can better block to in the recess 381.

Preferably, the first motor 23, the first electric telescopic rod 11, the second motor 35, the third motor and the second electric telescopic rod 14 are all electrically connected with a processor, and the processor is electrically connected with the control board.

The PLC is selected as a processor, the control panel is used for outputting signals to the processor, and the processor is used for sending action commands to the first motor 23, the first electric telescopic rod 11, the second motor 35, the third motor and the second electric telescopic rod 14.

The use method of the underground engineering retaining wall rapid building structure comprises the following steps:

firstly, placing a quick construction structure of a local lower engineering retaining wall on the lower edge of a soil slope, enabling a plurality of wheel sheets 21 to contact the lower edge of the soil slope, and neatly placing a plurality of plate bodies 38 in a box body 3; then, a power supply is switched on, a switch button on the control panel is pressed, the processor controls the second motor 35 to act to extrude the plurality of plate bodies 38, the processor controls the first motor 23 to rotate and simultaneously controls the plurality of first electric telescopic rods 11 to lower, after the plurality of wheel sheets 21 are grooved downwards to a set depth, the first electric telescopic rods 11 are lowered to stop lowering, the processor outputs a signal of the action of a third motor, and the third motor drives the roller to move forwards and transversely groove; then, a reverse rotation button of a second motor 35 is pressed on the control board, after the second motor 35 rotates reversely for 2 seconds, the plate body 38 positioned above the sliding hole 31 slides into the slot, the second motor 35 continues to rotate forwards, the processor outputs an action signal of the second electric telescopic rod 14, the action signal of the second electric telescopic rod 14 extends, the sliding plate body 38 is extruded and then shortened, and one period is finished; and finally, pressing down a switch button on the control panel when the operation is finished, controlling the third motor to stop operating by the processor, enabling the roller to stop rotating and advance, extending the plurality of first electric telescopic rods 11 to the original height, taking the plurality of wheel sheets 21 out of the ground, and powering off.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a structure is built fast to underground engineering retaining wall which characterized in that includes:

a frame (1);

the ditching mechanism comprises a plurality of wheel sheets (21) with sawteeth, the wheel sheets (21) are coaxially fixed on a rotating shaft (22), the rotating shaft (22) is rotatably connected to one side of the frame (1), and the rotating shaft (22) is driven to rotate through a first power device;

the box body (3) is fixed on the frame (1), a plurality of plate bodies (38) are placed in the box body (3), a sliding hole (31) is formed in one side, close to the wheel piece (21), of the bottom surface of the box body (3), the sliding hole (31) and the wheel piece (21) are located in the same vertical plane, a transverse moving hole (32) is formed in the side wall, perpendicular to the sliding hole (31), of the box body (3), a sliding groove (33) is formed in the side wall of the moving hole (32), the sliding groove (33) is connected with a sliding block in a sliding mode, and one side of the sliding block is fixedly connected with a second power device capable of enabling the sliding block to move; the other side of the sliding block is fixedly connected with a push plate (34), and the push plate (34) is vertically arranged inside the frame (1).

2. A quick construction structure for an underground construction retaining wall according to claim 1, characterized in that the first power device comprises a first motor (23), the first motor (23) is fixed on the frame (1), an output shaft of the first motor (23) is fixedly connected with a first belt pulley (24), the first belt pulley (24) is connected with a second belt pulley (26) through a belt (25), and the second belt pulley (26) is fixed at the end of the rotating shaft (22).

3. A quick construction structure for an underground construction retaining wall according to claim 1, characterized in that the second power device comprises a second motor (35), a gear (36) and a rack (37), the second motor (35) is fixed on the sliding block, an output shaft of the second motor (35) is fixedly connected with the gear (36), the gear (36) is engaged with the rack (37), and the rack (37) is fixed on the outer wall of the frame (1) along the length direction of the moving hole (32).

4. A rapid construction structure for an underground construction retaining wall according to claim 1, characterized in that a plurality of first electric telescopic rods (11) are arranged at the bottom of the frame (1), a roller (12) is arranged at the end of each first electric telescopic rod (11), one of the rollers (12) is fixedly connected to the output shaft of a third motor, and the third motor is fixed on the corresponding first electric telescopic rod (11).

5. A rapid construction structure of an underground retaining wall according to claim 1, characterized in that one end face of the plate body (38) is provided with a groove (381), the other end face is fixed with a limiting block (382), the centers of the groove (381) and the limiting block (382) are on the same horizontal straight line, and the length of the limiting block (382) is less than that of the groove (381).

6. A rapid construction structure of an underground engineering retaining wall according to claim 1, characterized in that a fixing plate (13) is fixedly arranged at the bottom of the frame (1), and the end surface of the fixing plate (13) close to the sliding-down hole (31) is fixedly connected with the end part of the second electric telescopic rod (14).

7. A rapid construction structure for an underground engineering retaining wall according to the claims 2-3-4-6, characterized in that the first motor (23), the first electric telescopic rod (11), the second motor (35), the third motor and the second electric telescopic rod (14) are all electrically connected with a processor, and the processor is electrically connected with a control board.