Transverse translation device of shield tunneling machine

Abstract

The utility model discloses a shield tunneling machine transverse translation device, and belongs to the technical field of shield tunneling machine movement, the shield tunneling machine transverse translation device comprises a supporting frame, the supporting frame is composed of two cross beams arranged in parallel, and the two ends of each cross beam are fixed to the tunnel wall; the bracket is arranged to support the shield tunneling machine, the PLC sends out an instruction to control operation of the driving mechanism, the lead screw rotates under the driving action of the driving mechanism, the lead screw is in threaded connection with the lead screw nut, and the base, the guide rail and the moving mechanism are matched, so that the working efficiency is improved, and the working efficiency is improved. According to the shield tunneling machine, the lead screw nut rotates along with the lead screw and drives the base to transversely move along the guide rail, in the whole transverse translation process, the sensor continuously detects the actual position and speed of the shield tunneling machine and feeds data back to the PLC, and the PLC dynamically adjusts the operation state of the driving mechanism according to the actual situation. It is ensured that the shield tunneling machine stably moves according to the preset track, and the transverse translation precision and stability of the shield tunneling machine are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of shield machine movement, and particularly relates to a shield machine transverse translation device. BACKGROUND

[0002] At present, in tunnel engineering construction, a shield machine is widely used as an important tunneling equipment. However, due to complex and changeable geological conditions, the shield machine often needs to be transversely adjusted to adapt to different geological environments and line design requirements during tunneling.

[0003] Although the existing shield machine transverse translation device can realize a certain degree of adjustment, the precision and efficiency still need to be improved, and therefore, the shield machine transverse translation device is improved. CONTENT OF THE UTILITY MODEL

[0004] In view of the deficiencies of the prior art, the present application provides a shield machine transverse translation device, which overcomes the deficiencies of the prior art and aims to solve the problems in the prior art.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a shield machine transverse translation device, comprising a support frame, the support frame is composed of two parallel arranged cross beams, the two ends of the cross beams are fixed on the tunnel wall, the top of the two cross beams is fixedly installed with a guide rail, the upper side of the guide rail is provided with a base, the top of the base is fixedly connected with a bracket for supporting the shield machine, the bottom of the base is fixedly installed with a moving mechanism, the base slides on the guide rail through the moving mechanism, a moving frame is arranged between the two cross beams, a lead screw is rotatably connected in the moving frame, a driving mechanism for driving the rotation of the lead screw is fixedly installed on one side of the moving frame, a lead screw nut is threadedly connected to the outer surface of the lead screw, the lead screw nut is fixedly installed at the bottom of the base, a sensor is fixedly installed on the side wall of the lead screw nut, and the sensor is signal connected with a PLC controller.

[0006] By adopting the above technical scheme, the shield machine is supported by the bracket, the operation of the driving mechanism is controlled by the PLC controller issuing an instruction, the lead screw rotates under the driving action of the driving mechanism, the lead screw nut moves along the guide rail with the base under the rotation of the lead screw due to the cooperation between the base, the guide rail and the moving mechanism, the actual position and speed of the shield machine are continuously detected by the sensor during the whole transverse translation process, and the data is fed back to the PLC controller, the operation state of the driving mechanism is dynamically adjusted by the PLC controller according to the actual situation, the shield machine moves smoothly according to the predetermined trajectory, and the precision and stability of the transverse translation of the shield machine are improved.

[0007] As a preferred technical scheme of the present application, the driving mechanism comprises a reducer, a shaft coupling and a motor, the motor is connected with the reducer through the shaft coupling, the reducer is fixedly connected with the lead screw, and the driving mechanism is controlled by an external PLC controller.

[0008] By adopting the above technical scheme, the motor starts to operate after receiving the instruction of the PLC controller, and the power is transmitted by the cooperation between the reducer and the shaft coupling to rotate the lead screw.

[0009] As a preferred technical scheme of the present application, the moving mechanism comprises a bottom plate fixedly installed at the bottom of the base, a plurality of mounting racks are fixedly installed on the lower surface of the bottom plate and uniformly distributed along the length direction of the bottom plate, a horizontal roller is rotatably connected in the mounting rack, a rotating rod is symmetrically arranged on both sides of the mounting rack and located on the lower surface of the bottom plate, and a vertical roller is rotatably connected to the bottom of the rotating rod.

[0010] By adopting the above technical scheme, the horizontal roller and the vertical roller are arranged, so that the moving mechanism can move horizontally along the guide rail.

[0011] As a preferred technical scheme of the present application, the bottom of the horizontal roller is matched with the top of the guide rail, and the outer surface of the vertical roller is matched with the side wall of the guide rail.

[0012] By adopting the above technical scheme, the horizontal roller and the vertical roller are in contact with the guide rail, which can increase the stability of the moving mechanism during movement.

[0013] As a preferred technical scheme of the present application, the base and the bracket are made of steel material, and the top of the bracket is arranged in a circular arc shape.

[0014] By adopting the above technical scheme, the base and the bracket made of steel material have high strength and can bear the weight of the shield tunneling machine without deformation, and the top of the bracket is arranged in a circular arc shape to adapt to the shape of the shield tunneling machine.

[0015] As a preferred technical scheme of the present application, a plurality of connecting plates are arranged between the two beams, and the two ends of the connecting plates are fixedly welded on the side walls of the beams.

[0016] By adopting the above technical scheme, the two beams are fixedly connected together by the connecting plates to form a more solid and stable overall structure, and the overall structure can effectively resist external load and deformation.

[0017] Compared with the prior art, the present application has the following advantages:

[0018] The utility model discloses a support shield machine through the bracket, and the rotation of the screw rod is controlled under the driving of the driving mechanism, the screw rod nut is moved along with the base along the guide rail and is moved horizontally along with the rotation of the screw rod because the screw rod is connected with the screw rod nut threadedly, and the cooperation between the base, the guide rail and the moving mechanism makes the screw rod nut be moved horizontally along with the rotation of the screw rod, the actual position and the speed of the shield machine are detected constantly by the sensor in the whole horizontal translation process, and the data is fed back to the PLC controller, and the running state of the driving mechanism is adjusted dynamically according to the actual situation of the PLC controller, so that the shield machine moves stably according to the predetermined track, and the precision and the stability of the horizontal translation of the shield machine are improved.

[0019] Specific embodiments of the present application are described in detail below with reference to the following instructions and drawings, indicating the principles of the present application can be used, it should be understood that the embodiments of the present application are not limited in scope. BRIEF DESCRIPTION OF DRAWINGS

[0020] The accompanying drawings are intended to provide a further understanding of the present application, and constitute a part of the specification, together with embodiments of the present application, to explain the present application, and do not constitute a limitation on the present application, in the drawings:

[0021] Figure 1 It is the overall structure schematic diagram of the present application;

[0022] Figure 2 It is the front view structure schematic diagram of the present application;

[0023] Figure 3 It is the local structure schematic diagram of the present application;

[0024] Figure 4 It is the component structure schematic diagram of the moving mechanism of the present application.

[0025] In the drawing: 1, crossbeam;2, guide rail;3, base;4, bracket;5, moving mechanism;51, bottom plate;52, mounting frame;53, horizontal roller;54, rotating rod;55, vertical roller;6, screw rod nut;7, moving frame;8, screw rod;9, driving mechanism;91, speed reducer;92, shaft coupling;93, motor;10, sensor;11, connecting plate. DETAILED DESCRIPTION

[0026] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0027] As Figure 1 - Figure 4As shown, the shield machine transverse translation device provided by the embodiment comprises a support frame, the support frame is composed of two parallel arranged cross beams 1, the two ends of the cross beams 1 are fixed on the tunnel wall, the top of the two cross beams 1 is fixedly installed with a guide rail 2, the upper side of the guide rail 2 is provided with a base 3, the top of the base 3 is fixedly connected with a bracket 4 for supporting the shield machine, the bottom of the base 3 is fixedly installed with a moving mechanism 5, the base 3 slides on the guide rail 2 through the moving mechanism 5, a moving frame 7 is arranged between the two cross beams 1, the inside of the moving frame 7 is rotatably connected with a lead screw 8, one side of the moving frame 7 is fixedly installed with a driving mechanism 9 for driving the rotation of the lead screw 8, the outer surface of the lead screw 8 is threadedly connected with a lead screw nut 6, the lead screw nut 6 is fixedly installed at the bottom of the base 3, the sidewall of the lead screw nut 6 is fixedly installed with a sensor 10, the sensor 10 is signal connected with an external PLC controller, in use, the shield machine is supported by arranging the bracket 4, the operation of the driving mechanism 9 is controlled by the PLC controller issuing instructions, the lead screw 8 rotates under the driving action of the driving mechanism 9, since the lead screw 8 is threadedly connected with the lead screw nut 6, and the cooperation between the base 3, the guide rail 2 and the moving mechanism 5 is utilized, the lead screw nut 6 will move laterally along the guide rail 2 with the base 3 following the rotation of the lead screw 8, in the whole transverse translation process, the sensor 10 continuously detects the actual position and speed of the shield machine, and feeds back the data to the PLC controller, the PLC controller dynamically adjusts the operation state of the driving mechanism 9 according to the actual situation, ensures that the shield machine moves smoothly according to the predetermined trajectory, and helps to improve the accuracy and stability of the transverse translation of the shield machine.

[0028] In the embodiment, as shown in Figure 2 , the driving mechanism 9 comprises a speed reducer 91, a shaft coupling 92 and a motor 93, the motor 93 is connected with the speed reducer 91 through the shaft coupling 92, the speed reducer 91 is fixedly connected with the lead screw 8, the driving mechanism 9 is controlled by the external PLC controller, in use, the motor 93 starts to operate after receiving the instructions of the PLC controller, and the cooperation between the speed reducer 91 and the shaft coupling 92 is utilized to transmit power to make the lead screw 8 rotate.

[0029] In the embodiment, as shown in Figure 1 and 4 , the moving mechanism 5 comprises a bottom plate 51 fixedly installed at the bottom of the base 3, the lower surface of the bottom plate 51 is fixedly installed with a plurality of mounting frames 52 which are uniformly arranged along the length direction thereof, the inside of the mounting frame 52 is rotatably connected with a lateral roller 53, the lower surface of the bottom plate 51 is symmetrically provided with a rotating rod 54 on both sides of the mounting frame 52, the bottom of the rotating rod 54 is rotatably connected with a vertical roller 55, in use, the lateral roller 53 and the vertical roller 55 are arranged to enable the moving mechanism 5 to move laterally on the guide rail 2.

[0030] In the embodiment, as shown in Figure 1 and 4As shown, the bottom of the transverse roller 53 is in close contact with the top of the guide rail 2, and the outer surface of the vertical roller 55 is in close contact with the side wall of the guide rail 2, and in use, the transverse roller 53 and the vertical roller 55 are in contact with the guide rail 2, which can increase the stability during the movement of the moving mechanism 5.

[0031] In this embodiment, as shown in the drawings, Figure 1 As shown, the base 3 and the bracket 4 are both made of steel material, and the top of the bracket 4 is arc-shaped, and in use, the base 3 and the bracket 4 made of steel material have high strength and can bear the weight of the shield machine without deformation, and the arc-shaped top of the bracket 4 can be adapted to the shape of the shield machine.

[0032] In this embodiment, as shown in the drawings, Figure 3 As shown, a plurality of connecting plates 11 are arranged between the two beams 1, and the two ends of the plurality of connecting plates 11 are fixedly welded on the side walls of the beams 1, and in use, the two beams 1 are fixedly connected together by the connecting plates 11 to form a more solid and stable overall structure, which can effectively resist external load and deformation.

[0033] The working principle of the utility model is: when the shield machine transverse translation device is used, the shield machine is supported by the bracket 4, the operation of the driving mechanism 9 is controlled by the PLC controller, the screw rod 8 rotates under the driving action of the driving mechanism 9, the screw rod 8 is threadedly connected with the screw nut 6, and the cooperation between the base 3, the guide rail 2 and the moving mechanism 5 makes the screw nut 6 move transversely along the guide rail 2 with the base 3, the sensor 10 continuously detects the actual position and speed of the shield machine during the entire transverse translation process, and feeds back the data to the PLC controller, the PLC controller dynamically adjusts the operation state of the driving mechanism 9 according to the actual situation, ensures that the shield machine moves smoothly according to the predetermined trajectory, and helps to improve the accuracy and stability of the transverse translation of the shield machine.

[0034] In the description of the utility model, it should be explained that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and is not indicative or implied that the indicated device or element must have a specific orientation, structure and operation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicative or implied relative importance.

[0035] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the terms "mounts", "is provided with", "connects" and the like should be understood broadly, for example, "connects", can be fixedly connected, also can be detachably connected, or integrally connected;Can be mechanical connection, can also 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 according to specific conditions by the person skilled in the art.

[0036] The utility model has been described above in combination with specific embodiments, but the person skilled in the art should know that these descriptions are exemplary, and are not the limitation of the protection scope of the utility model.The person skilled in the art can make various modifications and modifications to the utility model according to the spirit and principle of the utility model, and these modifications and modifications are also within the scope of the utility model.

Claims

1. A transverse translation device for a tunnel boring machine, comprising a support frame, characterized in that, The support frame consists of two parallel beams (1). Both ends of the beams (1) are fixed to the tunnel wall. Guide rails (2) are fixedly installed on the top of the two beams (1). A base (3) is set above the guide rails (2). A bracket (4) for supporting the tunnel boring machine is fixedly connected to the top of the base (3). A moving mechanism (5) is fixedly installed at the bottom of the base (3). The base (3) slides on the guide rails (2) through the moving mechanism (5). A moving frame (7) is set between the two beams (1). A lead screw (8) is rotatably connected inside the moving frame (7). A drive mechanism (9) for driving the lead screw (8) to rotate is fixedly installed on one side of the moving frame (7). A lead screw nut (6) is threadedly connected to the outer surface of the lead screw (8). The lead screw nut (6) is fixedly installed at the bottom of the base (3). A sensor (10) is fixedly installed on the side wall of the lead screw nut (6). The sensor (10) is connected to the signal of an external PLC controller.

2. The transverse translation device for a tunnel boring machine according to claim 1, characterized in that, The drive mechanism (9) includes a reducer (91), a coupling (92) and a motor (93). The motor (93) is connected to the reducer (91) through the coupling (92). The reducer (91) is fixedly connected to the lead screw (8). The drive mechanism (9) is controlled by an external PLC controller.

3. The transverse translation device for a tunnel boring machine according to claim 1, characterized in that, The moving mechanism (5) includes a base plate (51) fixedly installed at the bottom of the base (3). Several mounting brackets (52) are fixedly installed on the lower surface of the base plate (51) and evenly distributed along its length. A transverse roller (53) is rotatably connected inside the mounting bracket (52). Rotating rods (54) are symmetrically arranged on both sides of the mounting bracket (52) on the lower surface of the base plate (51). A vertical roller (55) is rotatably connected to the bottom of the rotating rod (54).

4. The transverse translation device for a tunnel boring machine according to claim 3, characterized in that, The bottom of the horizontal roller (53) is in contact with the top of the guide rail (2), and the outer surface of the vertical roller (55) is in contact with the side wall of the guide rail (2).

5. A transverse translation device for a tunnel boring machine according to claim 1, characterized in that, Both the base (3) and the bracket (4) are made of steel, and the top of the bracket (4) is arc-shaped.

6. A transverse translation device for a tunnel boring machine according to claim 1, characterized in that, A plurality of connecting plates (11) are provided between the two crossbeams (1), and both ends of the plurality of connecting plates (11) are fixedly welded to the side wall of the crossbeam (1).

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