Concrete distribution equipment for tunnel inverted arch construction

Abstract

The utility model relates to the technical field of concrete distribution equipment, in particular to concrete distribution equipment for tunnel inverted arch construction, which comprises a cart, a control panel is mounted on the surface of the cart, a bearing plate is arranged on one side of the cart, a spray pipe is placed in the bearing plate, a distribution mechanism is arranged on the surface of the cart, and a plurality of spray pipes are arranged in the distribution mechanism. The distributing mechanism is composed of a mechanical arm and a fixing assembly, a dismounting and mounting mechanism is arranged between the bearing plate and the spraying pipe, a groove, a fastening bolt, a hanging frame and a threaded hole are formed in the dismounting and mounting mechanism, a collecting mechanism is arranged at the bottom of the spraying pipe, and a collecting barrel, a threaded groove, a baffle disc and a threaded ring are arranged in the collecting mechanism. According to the utility model, the construction efficiency is improved when the concrete distributing equipment is used, the convenience degree is improved when the spray pipe of the concrete distributing equipment is disassembled and assembled, and the phenomenon of waste of concrete grout when the concrete distributing equipment is used is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of concrete placing equipment, in particular to a concrete placing equipment for tunnel invert construction. Background Technique

[0002] In the construction of invert and filling pouring, generally, the concrete mixer truck is parked on the mobile trestle and the simple placing system on the trestle is used for pouring. By adjusting the parking position of the mixer truck and the length and angle of the chute, the pouring of different positions of the invert and filling can be realized.

[0003] During the concrete placing process, since the concrete mixer truck is parked on the trestle, other construction vehicles cannot pass, which greatly interferes with the face construction and reduces the construction efficiency of the tunnel; the concrete spray pipe for placing is generally fixed to one end of the concrete placing equipment by multiple screws, and the disassembly and assembly are relatively cumbersome, thus reducing the convenience of disassembling and assembling the spray pipe of the concrete placing equipment; after the concrete placing is completed, there will still be some concrete residues in the spray pipe, and the concrete will drip to the ground along the spray pipe, causing waste. Content of the Utility Model

[0004] The purpose of the utility model is to provide a concrete placing equipment for tunnel invert construction, so as to solve the problems of low construction efficiency when the concrete placing equipment is used, low convenience when disassembling and assembling the spray pipe, and easy dripping of concrete to the ground along the spray pipe, resulting in waste, as mentioned in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a concrete placing equipment for tunnel invert construction, including a trolley, a control panel is installed on the surface of the trolley, a bearing plate is arranged on one side of the trolley, a spray pipe is placed inside the bearing plate, a placing mechanism is arranged on the surface of the trolley, the placing mechanism is composed of a robotic arm and a fixing component, a disassembly and assembly mechanism is arranged between the bearing plate and the spray pipe, the inside of the disassembly and assembly mechanism includes a groove, a fastening bolt, a hanging bracket and a threaded hole, a collecting mechanism is arranged at the bottom of the spray pipe, and the inside of the collecting mechanism includes a collecting cylinder, a threaded groove, a retaining disc and a threaded ring.

[0006] Preferably, a robotic arm is installed on the surface of the trolley, the robotic arm is controlled by the control panel, one end of the robotic arm is fixedly connected to the surface of the spray pipe, and fixing components are arranged at the corner positions on the surface of the trolley.

[0007] Preferably, the interior of the fixing component includes a stabilizing plate, an electric push rod, a rotating rod, and a servo motor. Rotating rods are provided at the corner positions on the surface of the trolley. Servo motors are installed on the surface of the trolley. The input end of the servo motor is electrically connected to the output end of the control panel. The output end of the servo motor is fixed with a rotating shaft through a coupling. One end of the rotating shaft is fixedly connected to one end of the rotating rod.

[0008] Preferably, an electric push rod is installed at one end of the rotating rod. The input end of the electric push rod is electrically connected to the output end of the control panel. One end of the electric push rod is fixed with a stabilizing plate.

[0009] Preferably, a groove is formed on the surface of the bearing plate. A hanging bracket is fixed on one side of the spray pipe. The hanging bracket and the groove are engaged with each other.

[0010] Preferably, threaded holes are formed on the surface of the bearing plate. A fastening bolt is threadedly connected to the surface of the hanging bracket. One end of the fastening bolt penetrates through the hanging bracket and is threadedly fastened to the threaded hole.

[0011] Preferably, a baffle plate is fixed at the bottom position of the spray pipe. The diameter of the baffle plate is smaller than the diameter at the top position of the spray pipe. A collecting barrel is arranged below the baffle plate.

[0012] Preferably, a threaded groove is formed at the top position of the collecting barrel. A threaded ring is fixed on the surface of the baffle plate. The threaded ring and the threaded groove are threadedly fastened. The threaded ring is sleeved on the outside of the spray pipe.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: The concrete placing equipment for tunnel invert construction not only improves the construction efficiency during the use of the concrete placing equipment, improves the convenience during the disassembly and assembly of the spray pipe of the concrete placing equipment, but also avoids the phenomenon of waste of concrete slurry during the use of the concrete placing equipment;

[0014] 1. By providing a placing mechanism, drive the concrete tanker outside the tunnel, then connect the tanker and the spray pipe through a hose. Subsequently, the trolley can be pushed to the place to be placed. Then operate the control panel to make the control panel control the electric push rod and the servo motor to work. Driven by the servo motor, the rotating rod rotates to unfold the rotating rod, making the stabilizing plate move away from the trolley. Subsequently, driven by the electric push rod, the stabilizing plate moves downward to make the stabilizing plate closely adhere to the ground to fix the trolley. Then control the manipulator to work through the control panel to make the manipulator drive the spray pipe to move above the placing groove. Then guide the concrete in the concrete tanker into the spray pipe through the hose, and perform spray grouting and placing for the tunnel invert through the spray pipe. There is no need for the concrete tanker to enter the tunnel and affect the passage of other equipment, so as to realize the function of the concrete placing equipment to place concrete through the trolley and the manipulator, thereby improving the construction efficiency during the use of the concrete placing equipment;

[0015] 2. By providing a disassembly and assembly mechanism, the nozzle is inserted into the inside of the carrier plate, and the hanger is clamped into the inside of the groove, so as to quickly position and install the nozzle. Subsequently, the fastening bolts are tightened, and under the thread fit between the fastening bolts and the threaded holes, the hanger is fixed to the carrier plate, so as to realize the function that the concrete placing equipment is convenient for disassembling and assembling the nozzle, thereby improving the convenience degree when the concrete placing equipment disassembles and assembles the nozzle;

[0016] 3. By providing a collection mechanism, after the placing is completed, the collection cylinder can be placed under the nozzle, the threaded groove is sleeved outside the threaded ring, and then the collection cylinder is rotated, so that the collection cylinder drives the threaded groove to rotate. Under the thread fit between the threaded groove and the threaded ring, the threaded groove is fixed, and the threaded groove is closely attached to the surface of the retaining disc. At this time, the residual concrete slurry inside the nozzle can drip into the collection cylinder under the action of gravity, avoiding waste, so as to realize the function of collecting the residual concrete by the concrete placing equipment, thereby avoiding the phenomenon of waste of concrete slurry when the concrete placing equipment is used. Brief Description of the Drawings

[0017] Figure 1 is a three-dimensional external structure schematic diagram of the present utility model;

[0018] Figure 2 is a front view sectional structure schematic diagram of the present utility model;

[0019] Figure 3 is an enlarged structure schematic diagram of the collection mechanism of the present utility model;

[0020] Figure 4 is an enlarged structure schematic diagram of the disassembly and assembly mechanism of the present utility model.

[0021] In the figure: 1, trolley; 11, control panel; 12, carrier plate; 13, nozzle; 2, placing mechanism; 21, robotic arm; 22, fixing assembly; 221, stabilizing disc; 222, electric push rod; 223, rotating rod; 224, servo motor; 3, disassembly and assembly mechanism; 31, groove; 32, fastening bolt; 33, hanger; 34, threaded hole; 4, collection mechanism; 41, collection cylinder; 42, threaded groove; 43, retaining disc; 44, threaded ring. Detailed Description of the Embodiment

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. In addition, the terms "first", "second", "third", "upper, lower, left, right", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. At the same time, in the description of the present utility model, unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense. For example, it 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 directly connected or indirectly connected through an intermediate medium. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0023] The structure of a concrete placing device for tunnel invert construction provided by the present utility model is as Figure 1 and Figure 2 shown, including a trolley 1. A control panel 11 is installed on the surface of the trolley 1. A lithium battery and a processor are embedded inside the control panel 11. The processor includes an amplifier tube, a protection resistor Rm, a filter, an A / D converter, and a single-chip microcomputer. The sensor and the protection resistor Rm are connected in parallel with the amplifier tube and then in series with the filter, and the signal is converted through the A / D converter and sent to the single-chip microcomputer. The display screen receives the processing signal sent by the single-chip microcomputer. A bearing plate 12 is provided on one side of the trolley 1, and a spray pipe 13 is placed inside the bearing plate 12. A placing mechanism 2 is provided on the surface of the trolley 1. The placing mechanism 2 is composed of a robotic arm 21 and a fixing component 22. A robotic arm 21 is installed on the surface of the trolley 1. The robotic arm 21 is controlled by the control panel 11. One end of the robotic arm 21 is fixedly connected to the surface of the spray pipe 13. Fixing components 22 are provided at the corner positions on the surface of the trolley 1. The inside of the fixing component 22 includes a stabilizing plate 221, an electric push rod 222, a rotating rod 223, and a servo motor 224. Rotating rods 223 are provided at the corner positions on the surface of the trolley 1. Servo motors 224 are installed on the surface of the trolley 1. The model of the servo motor 224 can be selected from the SZ series. The input end of the servo motor 224 is electrically connected to the output end of the control panel 11. The output end of the servo motor 224 is fixed with a rotating shaft through a coupling. One end of the rotating shaft is fixedly connected to one end of the rotating rod 223. An electric push rod 222 is installed at one end of the rotating rod 223. The model of the electric push rod 222 can be selected from the TA series. The input end of the electric push rod 222 is electrically connected to the output end of the control panel 11. One end of the electric push rod 222 is fixed with a stabilizing plate 221.

[0024] During use, drive the concrete mixer truck outside the tunnel, then connect the truck to the spray pipe 13 through a hose. Subsequently, the trolley 1 can be pushed to the location where concrete is to be distributed. Then, operate the control panel 11 to make the control panel 11 control the electric push rod 222 and the servo motor 224 to work. Under the action of the servo motor 224, drive the rotating rod 223 to rotate, unfold the rotating rod 223, and make the stabilizing plate 221 move away from the trolley 1. Subsequently, under the action of the electric push rod 222, drive the stabilizing plate 221 to move downward so that the stabilizing plate 221 is in close contact with the ground to fix the trolley 1. Then, control the robotic arm 21 to work through the control panel 11, make the robotic arm 21 drive the spray pipe 13 to move above the distribution trough, and then guide the concrete in the concrete mixer truck into the interior of the spray pipe 13 through the hose, and perform spray grouting and concrete distribution for the invert of the tunnel through the spray pipe 13. There is no need for the concrete mixer truck to enter the tunnel and affect the passage of other equipment, so as to realize the function of the concrete distribution equipment to distribute concrete through the trolley and the robotic arm 21.

[0025] Furthermore, as Figure 4 shown, a disassembly and assembly mechanism 3 is provided between the bearing plate 12 and the spray pipe 13. The interior of the disassembly and assembly mechanism 3 includes a groove 31, a fastening bolt 32, a hanging bracket 33, and a threaded hole 34. A groove 31 is formed on the surface of the bearing plate 12. A hanging bracket 33 is fixed on one side of the spray pipe 13. The hanging bracket 33 and the groove 31 are engaged with each other. A threaded hole 34 is formed on the surface of the bearing plate 12. The surface of the hanging bracket 33 is threadedly connected with a fastening bolt 32. One end of the fastening bolt 32 penetrates through the hanging bracket 33 and is threadedly fastened to the threaded hole 34.

[0026] During use, insert the spray pipe 13 into the interior of the bearing plate 12, make the hanging bracket 33 snap into the groove 31 for quick positioning and installation of the spray pipe 13. Subsequently, tighten the fastening bolt 32, and fix the hanging bracket 33 and the bearing plate 12 under the threaded cooperation between the fastening bolt 32 and the threaded hole 34, so as to realize the function of the concrete distribution equipment being convenient for disassembling and assembling the spray pipe 13.

[0027] Furthermore, as Figure 3 shown, a collecting mechanism 4 is provided at the bottom of the spray pipe 13. The interior of the collecting mechanism 4 includes a collecting cylinder 41, a threaded groove 42, a retaining disc 43, and a threaded ring 44. A retaining disc 43 is fixed at the bottom position of the spray pipe 13. The diameter of the retaining disc 43 is smaller than the diameter at the top position of the spray pipe 13. A collecting cylinder 41 is arranged below the retaining disc 43. A threaded groove 42 is formed at the top position of the collecting cylinder 41. A threaded ring 44 is fixed on the surface of the retaining disc 43. The threaded ring 44 is threadedly fastened to the threaded groove 42, and the threaded ring 44 is sleeved on the outside of the spray pipe 13.

[0028] During use, after the cloth laying is completed, the collecting cylinder 41 can be placed below the spray pipe 13, with the threaded groove 42 sleeved outside the threaded ring 44. Then, rotate the collecting cylinder 41 to drive the threaded groove 42 to rotate. Under the threaded fit between the threaded groove 42 and the threaded ring 44, the threaded groove 42 is fixed, and the threaded groove 42 is made to closely adhere to the surface of the baffle plate 43. At this time, the residual concrete slurry inside the spray pipe 13 can drip into the collecting cylinder 41 under the action of gravity, avoiding waste, so as to realize the function of collecting residual concrete by the concrete cloth laying equipment.

[0029] Working principle: During use, first insert the spray pipe 13 into the inside of the bearing plate 12, so that the hanging bracket 33 is stuck inside the groove 31 to quickly position and install the spray pipe 13. Then, tighten the fastening bolt 32. Under the threaded fit between the fastening bolt 32 and the threaded hole 34, the hanging bracket 33 and the bearing plate 12 are fixed, so as to realize the function of the concrete cloth laying equipment being convenient for disassembling and assembling the spray pipe 13, thereby improving the convenience degree when disassembling and assembling the spray pipe 13 of the concrete cloth laying equipment.

[0030] Subsequently, the concrete truck can be driven outside the tunnel, and then connected to the spray pipe 13 through a hose. Then, push the trolley 1 to the place to be cloth laid. Then, operate the control panel 11 to make the control panel 11 control the electric push rod 222 and the servo motor 224 to work. Under the action of the servo motor 224, drive the rotating rod 223 to rotate and unfold the rotating rod 223, so that the stabilizing plate 221 moves away from the trolley 1. Then, under the action of the electric push rod 222, drive the stabilizing plate 221 to move downward so that the stabilizing plate 221 closely adheres to the ground to fix the trolley 1. Then, control the robotic arm 21 to work through the control panel 11 to make the robotic arm 21 drive the spray pipe 13 to move above the cloth laying groove, and then guide the concrete in the concrete truck into the spray pipe 13 through the hose, and carry out spray grouting cloth laying for the tunnel invert through the spray pipe 13. There is no need for the concrete truck to enter the tunnel and affect the passage of other equipment, so as to realize the function of the concrete cloth laying equipment for cloth laying through the trolley and the robotic arm 21, thereby improving the construction efficiency when using the concrete cloth laying equipment.

[0031] After the cloth laying is completed, the collecting cylinder 41 can be placed below the spray pipe 13, with the threaded groove 42 sleeved outside the threaded ring 44. Then, rotate the collecting cylinder 41 to drive the threaded groove 42 to rotate. Under the threaded fit between the threaded groove 42 and the threaded ring 44, the threaded groove 42 is fixed, and the threaded groove 42 is made to closely adhere to the surface of the baffle plate 43. At this time, the residual concrete slurry inside the spray pipe 13 can drip into the collecting cylinder 41 under the action of gravity, avoiding waste, so as to realize the function of collecting residual concrete by the concrete cloth laying equipment, thereby avoiding the phenomenon of waste of concrete slurry when using the concrete cloth laying equipment, and finally completing the use work of the concrete cloth laying equipment.

[0032] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-mentioned exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

Claims

1. A concrete placing device for tunnel invert construction, comprising a trolley (1), characterized in that: A control panel (11) is mounted on the surface of the trolley (1). A bearing plate (12) is provided on one side of the trolley (1). A spray pipe (13) is placed inside the bearing plate (12). A cloth feeding mechanism (2) is provided on the surface of the trolley (1). The cloth feeding mechanism (2) is composed of a robotic arm (21) and a fixing component (22). A disassembly and assembly mechanism (3) is provided between the bearing plate (12) and the spray pipe (13). The inside of the disassembly and assembly mechanism (3) includes a groove (31), a fastening bolt (32), a hanging bracket (33), and a threaded hole (34). A collecting mechanism (4) is provided at the bottom of the spray pipe (13). The inside of the collecting mechanism (4) includes a collecting cylinder (41), a threaded groove (42), a retaining disc (43), and a threaded ring (44).

2. The concrete placing equipment for tunnel invert construction according to claim 1, wherein: A robotic arm (21) is mounted on the surface of the trolley (1). The robotic arm (21) is controlled by the control panel (11). One end of the robotic arm (21) is fixedly connected to the surface of the spray pipe (13). Fixing components (22) are provided at the corner positions on the surface of the trolley (1).

3. The concrete placing equipment for tunnel invert construction according to claim 2, wherein: The inside of the fixing component (22) includes a stabilizing disc (221), an electric push rod (222), a rotating rod (223), and a servo motor (224). Rotating rods (223) are provided at the corner positions on the surface of the trolley (1). Servo motors (224) are mounted on the surface of the trolley (1). The input end of the servo motor (224) is electrically connected to the output end of the control panel (11). A rotating shaft is fixed to the output end of the servo motor (224) through a coupling. One end of the rotating shaft is fixedly connected to one end of the rotating rod (223).

4. The concrete placing equipment for tunnel invert construction according to claim 3, characterized in that: An electric push rod (222) is mounted at one end of the rotating rod (223). The input end of the electric push rod (222) is electrically connected to the output end of the control panel (11). A stabilizing disc (221) is fixed to one end of the electric push rod (222).

5. A concrete placing device for tunnel invert construction according to claim 1, characterized in that: A groove (31) is formed on the surface of the bearing plate (12). A hanging bracket (33) is fixed to one side of the spray pipe (13). The hanging bracket (33) is engaged with the groove (31).

6. The concrete placing equipment for tunnel invert construction according to claim 5, characterized in that: A threaded hole (34) is formed on the surface of the bearing plate (12). A fastening bolt (32) is threadedly connected to the surface of the hanging bracket (33). One end of the fastening bolt (32) passes through the hanging bracket (33) and is threadedly fastened to the threaded hole (34).

7. A concrete placing device for tunnel invert construction according to claim 1, characterized in that: A retaining disc (43) is fixed at the bottom position of the spray pipe (13). The diameter of the retaining disc (43) is smaller than the diameter at the top position of the spray pipe (13). A collecting cylinder (41) is provided below the retaining disc (43).

8. A concrete placing equipment for tunnel invert construction according to claim 7, characterized in that: A threaded groove (42) is formed at the top position of the collecting cylinder (41). A threaded ring (44) is fixed to the surface of the retaining disc (43). The threaded ring (44) is threadedly fastened to the threaded groove (42). The threaded ring (44) is sleeved on the outside of the spray pipe (13).

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