A kind of excavating and supporting device for water supply and drainage pipeline trench

Abstract

The application relates to the technical field of pipeline construction, and discloses a kind of excavating and supporting devices for water supply and drainage pipeline trench, including support frame, in the application, the two sides of side pressure component are moved outward by pushing mechanism, and the side pressure component is attached to the side wall of the trench, the first taper rod on the side pressure component is inserted into the soil layer of the side wall of the water supply and drainage pipeline trench, then the slide plate is driven by transmission mechanism by motor, the upper edge of the movable plate carried by the slide plate is lifted above the top edge of the water supply and drainage pipeline trench, then the second taper rod on the movable plate is inserted into the soil layer of the top edge of the trench from top to bottom during the downward movement of the slide plate driven by the transmission mechanism, the excavation of the water supply and drainage pipeline trench is supported, compared with the prior art, the first taper rod and the second taper rod support the trench from different directions, which can improve the support stability of the trench side wall, and solve the problem of insufficient support stability of single-direction lateral support of the trench in the prior art.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of pipeline construction, in particular, relates to a kind of excavating support device for water supply and drainage pipeline trench. BACKGROUND

[0002] Drainage pipeline refers to the system composed of pipes and channels and its auxiliary facilities for collecting and discharging sewage, wastewater and rainwater. It includes main pipes, branch pipes and pipes leading to treatment plants, regardless of whether they are built on the street or anywhere else, as long as they are drainage pipes.

[0003] At present, in order to ensure the structural stability of the trench, a support needs to be installed in the trench during the trench excavation construction. The common support for pipeline trench is usually a square wood structure. The operator assembles square wood into the appropriate size according to different width and depth specifications of the trench. The actual operation is relatively cumbersome, time-consuming and labor-intensive, increasing the workload of workers. According to the search, the announcement No. CN116607541A discloses a kind of excavating support device for water supply and drainage pipeline trench. The support device includes a bottom plate, a support column, a connecting column, a top plate, a driving assembly, a support assembly, the support column is tightly connected with the bottom plate, the connecting column is slidingly connected with the support column, the top plate is tightly connected with the connecting column, the top plate is located at the top end of the connecting column, the driving assembly is tightly connected with the bottom plate, the driving assembly is in transmission connection with the top plate, the support assembly is tightly connected with the top plate, the bottom surface of the bottom plate is provided with a fixing cone, the fixing cone is distributed in a rectangular array on the bottom plate. By setting the support assembly, rotating the rotating rod, the first connecting rod is rotated, the two groups of second connecting rods are moved in opposite directions, thereby driving the two groups of support plates to support the two sides of the trench, which can support trenches of different sizes and is relatively simple and fast to operate.

[0004] However, the above-mentioned excavating support device for water supply and drainage pipeline trench still has the following problems: the above-mentioned excavating support device for water supply and drainage pipeline trench is moved in opposite directions by two groups of second connecting rods, thereby driving two groups of support plates to support the two sides of the trench to support trenches of different sizes. The above-mentioned method can only support the trench from a single direction, and the support stability of the trench side wall is relatively insufficient, which affects the support and protection safety of water supply and drainage pipeline construction. SUMMARY

[0005] The present application provides an excavating support device for water supply and drainage pipeline trench, which solves the problem of insufficient support stability of single direction lateral support of the trench in the prior art.

[0006] The technical scheme of the present application is as follows: a kind of water supply and drainage pipeline trench excavating supporting device, including support frame, the two sides of the support frame are symmetrically provided with side pressure component, and push mechanism for driving side pressure component to adhere to the trench side wall, a plurality of first taper rods of rectangular array are fixed on the adhering surface of side pressure component and the trench side wall, sliding plate capable of sliding up and down is arranged on the side pressure component, the back of the sliding plate away from the trench side wall is elastically connected with rotatable movable plate by spring, motor and transmission mechanism driven by motor are arranged on the side pressure component, the movable plate is lifted and rotated to adhere to the top edge of the trench by the transmission mechanism, a row of evenly distributed second taper rods are fixed on the adhering surface of the movable plate and the top edge of the trench.

[0007] Preferably, the side pressure component includes a U-shaped frame, the inner side of the outer end of the U-shaped frame is fixed with a vertically arranged baffle, the first taper rod is vertically fixed on the outer side plate surface of the baffle, and the top of the baffle is provided with a clamping seat limiting the sliding of the sliding plate on both sides.

[0008] Preferably, the push mechanism includes a pneumatic cylinder, the pneumatic cylinder is fixed on the side surface of the support frame, the output end of the pneumatic cylinder is fixed with the U-shaped frame, the side surface of the support frame is fixed with guide rods symmetrically distributed on both sides of the pneumatic cylinder, and the U-shaped frame is slidably connected with the guide rods.

[0009] Preferably, the movable plate includes an integral connection of a flat plate and a Z-shaped plate, the second taper rod is vertically fixed on the bottom surface of the flat plate, the upper part of the Z-shaped plate is vertically distributed with the flat plate, the both ends of the spring are respectively fixed with the sliding plate and the Z-shaped plate, the bottom side edge of the sliding plate is fixed with a first hinge seat, and the tail end of the Z-shaped plate is hinged on the first hinge seat.

[0010] Preferably, the transmission mechanism includes a rotating disc, one side of the U-shaped frame is fixed with a mounting frame, the motor is fixed on one side of the top of the mounting frame, the output shaft of the motor penetrates the mounting frame and is fixed with the center of the rotating disc, the disc surface of the rotating disc is fixed with a crank, the crank does not coincide with the shaft center of the rotating disc, the outer side of the crank is hinged with a rocker, the tail end of the rocker is hinged with a second hinge seat, and the second hinge seat is fixed on the sliding plate.

[0011] Preferably, the Z-shaped plate is provided with a movable notch for avoiding the movement of the rocker.

[0012] Preferably, the Z-shaped plate is abutted against the outer side surface of the rotating disc under the elastic force of the spring.

[0013] Preferably, the outer side surface of the rotating disc is fixed with a cam, and the cam and the movable notch are distributed staggered in the horizontal direction.

[0014] The present application has the following beneficial effects:

[0015] The first taper rod on the side pressing component is inserted into the soil layer of the side wall of the drainage pipeline trench, and then the motor drives the slide plate carried by the transmission mechanism to move upward, and the upper edge of the movable plate is lifted above the top edge of the drainage pipeline trench, and then the transmission mechanism drives the slide plate to move downward, and the second taper rod on the movable plate is inserted into the soil layer of the top edge of the trench from top to bottom, supporting the excavation of the drainage pipeline trench, compared with the prior art, the first taper rod and the second taper rod support the trench from different directions, which can improve the support stability of the side wall of the trench, and solve the problem of insufficient support stability of the side support of the trench in the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0016] The application will be further described in detail below in combination with the drawings and specific embodiments.

[0017] Figure 1 A structure schematic diagram of a drainage pipeline trench excavation support device is provided for the application.

[0018] Figure 2 A structure schematic diagram of a transmission mechanism and a pushing mechanism is provided for the application.

[0019] Figure 3 Another structure schematic diagram of a transmission mechanism and a pushing mechanism is provided for the application.

[0020] Figure 4 A structure schematic diagram of a movable plate and a slide plate is provided for the application.

[0021] Figure 5 An initial state schematic diagram of a drainage pipeline trench excavation support device is provided for the application.

[0022] Figure 6 A schematic diagram of a movable plate and a slide plate of a drainage pipeline trench excavation support device after lifting is provided for the application.

[0023] Figure 7 A schematic diagram of a movable plate of a drainage pipeline trench excavation support device after rotation is provided for the application.

[0024] Figure 8 A schematic diagram of a movable plate of a drainage pipeline trench excavation support device after descent is provided for the application.

[0025] In the figure: 1, support frame; 2, pushing mechanism; 21, air cylinder; 22, guide rod; 3, side pressing part; 31, U-shaped frame; 32, baffle; 33, clamping seat; 34, mounting frame; 4, first taper rod; 5, transmission mechanism; 51, rotating disc; 52, cam; 53, crank; 54, rocker; 6, movable plate; 61, flat plate; 62, Z-shaped plate; 63, movable notch; 7, second taper rod; 8, sliding plate; 81, first hinge seat; 82, second hinge seat; 9, spring; 10, motor. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.

[0027] Please refer to Figure 1 and Figure 2 , the present application provides a technical solution: a kind of water supply and drainage pipeline trench excavating support device, including support frame 1, support frame 1 Two sides symmetrical side pressing part 3 and pushing mechanism 2 for driving side pressing part 3 adhere to the side wall of trench, side pressing part 3 is fixed with a plurality of rectangular array first taper rod 4 on the adhering surface with the side wall of trench, side pressing part 3 is provided with the sliding plate 8 that can slide up and down, the back of sliding plate 8 away from the side wall of trench is elastically connected with the movable plate 6 that can rotate by spring 9, side pressing part 3 is provided with motor 10 and transmission mechanism 5 driven by motor 10, which drives movable plate 6 to lift and rotate to adhere to the top of trench, a row of evenly distributed second taper rod 7 is fixed on the adhering surface of movable plate 6 with the top of trench, after support frame 1 is placed in water supply and drainage pipeline trench, pushing mechanism 2 can drive two side pressing parts 3 to move outward, and make side pressing part 3 adhere to the side wall of trench, make first taper rod 4 on side pressing part 3 insert into the soil layer of water supply and drainage pipeline trench side wall, then drive sliding plate 8 by transmission mechanism 5 driven by motor 10, the upper edge of movable plate 6 carried by sliding plate 8 is lifted above the top of water supply and drainage pipeline trench, then the second taper rod 7 on movable plate 6 is inserted into the soil layer of the top of trench from top to bottom during the process of sliding plate 8 moving downward driven by transmission mechanism 5, to support the excavation of water supply and drainage pipeline trench.

[0028] Please refer to Figure 2 and Figure 3The side-pressure component 3 includes a U-shaped frame 31. A vertically arranged baffle 32 is fixed on the inner side of the outer end of the U-shaped frame 31. A first cone rod 4 is vertically fixed on the outer side plate of the baffle 32. When the baffle 32 expands outward, the first cone rod 4 penetrates into the soil layer of the trench side wall, thereby improving the support capacity of the baffle 32 for the trench side wall. The top two sides of the baffle 32 are provided with a locking seat 33 for sliding limit of the slide plate 8. The slide plate 8 can slide up and down relative to the baffle 32. The pushing mechanism 2 includes a cylinder 21. The cylinder 21 is fixed on the side of the support frame 1. The output end of the cylinder 21 is fixed to the U-shaped frame 31. The side of the support frame 1 is fixed with guide rods 22 symmetrically distributed on both sides of the cylinder 21. The U-shaped frame 31 is slidably connected to the guide rods 22. When the cylinder 21 works, it can push the baffle 32, so that the baffle 32 moves closer to the trench side wall until the first cone rod 4 on the baffle 32 plate is inserted laterally into the soil layer of the trench side wall.

[0029] Please see Figure 3 and Figure 4 The movable plate 6 includes an integrally connected flat plate 61 and Z-shaped plate 62. The second cone rod 7 is vertically fixed to the bottom surface of the flat plate 61. The upper part of the Z-shaped plate 62 is vertically distributed with the flat plate 61. The two ends of the spring 9 are fixed to the slide plate 8 and the Z-shaped plate 62 respectively. The bottom side of the slide plate 8 is fixed with a first hinge seat 81. The end of the Z-shaped plate 62 is hinged to the first hinge seat 81. The transmission mechanism 5 includes a turntable 51. A mounting frame 34 is fixed to one side of the U-shaped frame 31. The motor 10 is fixed to the top side of the mounting frame 34. The output shaft of the motor 10 passes through the mounting frame 34 and is fixed to the center of the turntable 51. A crank 53 is fixed on the surface of the turntable 51. The crank 53 and the axis of the turntable 51 do not coincide. A rocker arm 54 is hinged to the outside of the crank 53. The end of the rocker arm 54 is hinged to a second hinge seat 82. The second hinge seat 82 is fixed to the slide plate 8.

[0030] It should be noted that the Z-shaped plate 62 has a movable slot 63 to allow the rocker arm 54 to move, so as to prevent the Z-shaped plate 62 from interfering with the movement of the rocker arm 54. The Z-shaped plate 62 is pressed against the outer side of the turntable 51 under the elastic force of the spring 9. The outer side of the turntable 51 is fixed with a cam 52. The cam 52 and the movable slot 63 are staggered in the horizontal direction. When the cam 52 rotates, it can press against the Z-shaped plate 62.

[0031] The working principle and usage process of this invention are as follows: In the initial state, the device is as follows: Figure 5 As shown, the support frame 1 is placed in the water supply and drainage pipe trench. The cylinder 21 pushes the U-shaped frame 31. Under the sliding limit of the guide rod 22, the baffle 32 moves towards the side wall of the trench until the first cone rod 4 on the surface of the baffle 32 is inserted laterally into the soil layer of the side wall of the trench.

[0032] When the motor 10 is turned on, the turntable 51 rotates clockwise, and the crank 53 is... Figure 5 Rotate to medium height positionFigure 6 In the process of moving to the middle height position, the rocker 54 pulls the slide plate 8 to move upward, and the slide plate 8 carries the movable plate 6 to move upward, when the crank 53 moves to the highest point, the second taper rod 7 on the movable plate 6 is above the top edge of the groove, the crank 53 is rotated from the middle height position to the highest position by the rocker 54. Figure 6 In the process of moving to the middle height position, the rocker 54 pulls the slide plate 8 to move upward, and the slide plate 8 carries the movable plate 6 to move upward, when the crank 53 moves to the highest point, the second taper rod 7 on the movable plate 6 is above the top edge of the groove, the crank 53 is rotated from the middle height position to the highest position by the rocker 54. Figure 7 In the process of moving to the middle height position, the rocker 54 pulls the slide plate 8 to move upward, and the slide plate 8 carries the movable plate 6 to move upward, when the crank 53 moves to the highest point, the second taper rod 7 on the movable plate 6 is above the top edge of the groove, the crank 53 is rotated from the middle height position to the highest position by the rocker 54.

[0033] In the process of moving to the middle height position, the rocker 54 pulls the slide plate 8 to move upward, and the slide plate 8 carries the movable plate 6 to move upward, when the crank 53 moves to the highest point, the second taper rod 7 on the movable plate 6 is above the top edge of the groove, the crank 53 is rotated from the middle height position to the highest position by the rocker 54. Figure 7 In the position state shown, the outer arc surface of the cam 52 is in contact with the surface of the Z-shaped plate 62, so that the second taper rod 7 is in a vertical posture with the top edge surface of the groove, and when the crank 53 is rotated from the middle height position to the highest position, the second taper rod 7 is inserted into the soil layer of the top edge of the groove. Figure 7 In the process of moving to the middle height position, the rocker 54 pulls the slide plate 8 to move upward, and the slide plate 8 carries the movable plate 6 to move upward, when the crank 53 moves to the highest point, the second taper rod 7 on the movable plate 6 is above the top edge of the groove, the crank 53 is rotated from the middle height position to the highest position by the rocker 54. Figure 8 In the process of moving to the middle height position, the rocker 54 pulls the slide plate 8 to move upward, and the slide plate 8 carries the movable plate 6 to move upward, when the crank 53 moves to the highest point, the second taper rod 7 on the movable plate 6 is above the top edge of the groove, the crank 53 is rotated from the middle height position to the highest position by the rocker 54.

[0034] The above is only a preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A support device for excavating drainage pipeline trenches, comprising a support frame (1), characterized in that, The support frame (1) is symmetrically provided with side pressing components (3) and a pushing mechanism (2) that drives the side pressing components (3) to fit against the side wall of the trench. The side pressing components (3) have a number of rectangular arrays of first cone rods (4) fixed on the surface of the side wall of the trench. The side pressing components (3) are provided with a sliding plate (8) that can slide up and down. The side of the sliding plate (8) facing away from the side wall of the trench is elastically connected to a rotatable movable plate (6) by a spring (9). The side pressing components (3) are provided with a motor (10) and a transmission mechanism (5) that drives the movable plate (6) to be lifted and rotated to fit against the top edge of the trench under the drive of the motor (10). The movable plate (6) has a row of evenly distributed second cone rods (7) fixed on the surface of the side wall of the trench. The movable plate (6) includes an integrally connected flat plate (61) and Z-shaped plate (62). The second cone rod (7) is vertically fixed to the bottom surface of the flat plate (61). The upper part of the Z-shaped plate (62) is vertically distributed with the flat plate (61). The two ends of the spring (9) are fixed to the slide plate (8) and the Z-shaped plate (62) respectively. The bottom side of the slide plate (8) is fixed with a first hinge seat (81). The end of the Z-shaped plate (62) is hinged to the first hinge seat (81). The side pressure component (3) includes a U-shaped frame (31), and a vertically arranged baffle (32) is fixed on the inner side of the outer end of the U-shaped frame (31). The first cone rod (4) is vertically fixed on the outer side of the baffle (32). The top two sides of the baffle (32) are provided with a card seat (33) for sliding limit of the slide plate (8). The transmission mechanism (5) includes a turntable (51), a mounting bracket (34) is fixed on one side of the U-shaped frame (31), the motor (10) is fixed on the top side of the mounting bracket (34), the output shaft of the motor (10) passes through the mounting bracket (34) and is fixed to the center of the turntable (51), a crank (53) is fixed on the surface of the turntable (51), and the crank (53) does not coincide with the axis of the turntable (51), a rocker arm (54) is hinged to the outside of the crank (53), and a second hinge seat (82) is hinged to the end of the rocker arm (54), and the second hinge seat (82) is fixed on the slide plate (8).

2. The excavation support device for water supply and drainage pipeline trenches according to claim 1, characterized in that, The pushing mechanism (2) includes a cylinder (21), which is fixed on the side of the support frame (1). The output end of the cylinder (21) is fixed to the U-shaped frame (31). The side of the support frame (1) is fixed with guide rods (22) symmetrically distributed on both sides of the cylinder (21). The U-shaped frame (31) and the guide rods (22) are slidably connected.

3. The excavation support device for water supply and drainage pipeline trenches according to claim 1, characterized in that, The Z-shaped plate (62) has an active slot (63) for the rocker arm (54) to move and avoid obstacles.

4. The excavation support device for water supply and drainage pipeline trenches according to claim 1, characterized in that, The Z-shaped plate (62) abuts against the outer side of the turntable (51) under the elastic force of the spring (9).

5. The excavation support device for water supply and drainage pipeline trenches according to claim 1, characterized in that, A cam (52) is fixed on the outer side of the turntable (51), and the cam (52) and the movable slot (63) are staggered in the horizontal direction.

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