Shield tunneling machine thrust oil cylinder deflection angle adjusting device

Abstract

The utility model discloses a shield tunneling machine thrust cylinder deflection angle adjusting device, which relates to the technical field of shield tunneling machine thrust cylinder deflection angle adjustment, and comprises a front driving frame, the outer surface of the front driving frame is fixedly connected with an adjusting mechanism, and the adjusting mechanism comprises six first fixing plates. The front face of each first fixing plate is fixedly connected with the back face of the front driving frame, the back face of each first fixing plate is fixedly connected with a transverse rotating seat, the outer surface of each transverse rotating seat is rotationally connected with a small hydraulic cylinder, and the end, away from the transverse rotating seat, of each small hydraulic cylinder is fixedly connected with a vertical rotating seat. The outer surface of each vertical rotating seat is rotationally connected with a second fixing plate, and the back faces of the six second fixing plates are jointly and fixedly connected with a rear driving frame. According to the shield tunneling machine thrust cylinder deflection angle adjusting device, the purpose that the shield tunneling machine thrust cylinder deflection angle adjusting device can deflect in any direction in a certain angle space is achieved, and in addition, the situation that a prefabricated concrete pipe piece is possibly damaged due to the fact that thrust is too large is effectively avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of shield machine propulsion oil cylinder deflection angle adjustment, in particular to a shield machine propulsion oil cylinder deflection angle adjustment device. Background Art

[0002] A shield machine is a tunnel boring machine that uses the shield method. The shield construction method is that the tunnel boring machine builds a "shield" (referring to the supporting segments) for laying the tunnel while excavating. It is different from the open construction method.

[0003] At present, the most widely used shield machine in municipal tunnels around the world is mainly the earth pressure balance shield machine, and the design route of the municipal shield tunnel is generally a curve. When the shield machine is in use, there is a certain angle at the hinge position of the shield machine. At this time, there will be a certain angle between the direction of the component force applied to the thrust cylinder and the force segment. In this case, when the thrust is large, under the condition of vertical force, the segment posture of the entire tunnel may be slightly offset, and the precast concrete segment may be damaged. For this reason, we provide a shield machine thrust cylinder angle adjustment device to solve the above problems. Utility Model Content

[0004] The utility model aims to make up for the deficiencies of the prior art and provides a shield machine propulsion cylinder angle adjustment device.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a shield machine propulsion cylinder angle adjustment device, comprising a front drive frame, the outer surface of the front drive frame is fixedly connected to an adjustment mechanism, the adjustment mechanism comprises six first fixed plates, the front face of each of the first fixed plates is fixedly connected to the back face of the front drive frame, the back face of each of the first fixed plates is fixedly connected to a transverse rotation seat, the outer surface of each of the transverse rotation seats is rotatably connected to a small hydraulic cylinder, the end of each of the small hydraulic cylinders away from the transverse rotation seat is fixedly connected to a vertical rotation seat, the outer surface of each of the vertical rotation seats is rotatably connected to a second fixed plate, the back faces of the six second fixed plates are commonly fixedly connected to a rear drive frame, twelve large hydraulic cylinders are fixedly connected to the inner wall of the rear drive frame, each group of the large hydraulic cylinders is fixedly connected to a first mounting plate at one end close to the front drive frame, the front face of each of the first mounting plates is fixedly connected to a chain, the end of each of the chains away from the first mounting plate is fixedly connected to a second mounting plate, and the front face of each of the second mounting plates is fixedly connected to the inner wall of the front drive frame.

[0006] Furthermore, the telescopic end of each group of the large hydraulic cylinders is fixedly connected to a first pressure-resistant plate, and the back side of each of the first pressure-resistant plates is fixedly connected to a universal ball.

[0007] Furthermore, the back side of each of the first anti-pressure plates is fixedly connected to four spring seats, and the back side of each group of the spring seats is fixedly connected to a second anti-pressure plate.

[0008] Furthermore, the front surface of each of the second pressure-resistant plates is fixedly connected to a steering seat, and the inner wall of each of the steering seats is movably hinged to the outer surface of the universal ball.

[0009] Furthermore, twelve cement boards are commonly arranged on the outer sides of the six second compression-resistant plates, wherein the front sides of the six cement boards are in contact with the back sides of the second compression-resistant plates.

[0010] Furthermore, a drive housing is disposed inside the front drive frame, and a cutter head housing is fixedly connected to the front side of the drive housing.

[0011] Furthermore, six rotating motors are fixedly connected to the inner wall of the driving housing, and each of the rotating motors is located inside the front driving frame.

[0012] Furthermore, eight tool support seats are fixedly connected to the front side of the tool head housing, and twenty-two drill bits are rotatably connected to the inner walls of the eight tool support seats.

[0013] Compared with the prior art, the shield machine propulsion cylinder angle adjustment device has the following features:

[0014] Beneficial effects:

[0015] The utility model is provided with a first fixed plate, a transverse rotating seat, a small hydraulic cylinder, a vertical rotating seat, a second fixed plate, a rear driving frame, a large hydraulic cylinder, a first mounting plate, a chain and a second mounting plate that cooperate with each other. The front driving frame and the rear driving frame can be connected together by using the first fixed plate, the transverse rotating seat, the small hydraulic cylinder, the vertical rotating seat and the second fixed plate, so as to facilitate the control of the direction of the front driving frame to change the direction of the cutter head. The purpose of rotation in any direction can be achieved by respectively controlling the lengths of different small hydraulic cylinders. The large hydraulic cylinder, the first mounting plate, the chain and the second mounting plate cooperate with each other to constrain the rotation angle of the large hydraulic cylinder, thereby avoiding the problem that the rotation angle is too large and the thrust on the cement board is too large, thereby causing damage to the cement board. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural diagram of the front driving frame of the utility model;

[0017] Figure 2 This is a schematic diagram of the rear driving frame of the utility model in a three-dimensional rear view;

[0018] Figure 3 It is a three-dimensional structural diagram of a large hydraulic cylinder of the utility model;

[0019] Figure 4 It is a three-dimensional structural schematic diagram of a small hydraulic cylinder of the utility model.

[0020] In the figure: 1, front drive frame; 2, adjustment mechanism; 201, first fixed plate; 202, horizontal rotating seat; 203, small hydraulic cylinder; 204, vertical rotating seat; 205, second fixed plate; 206, rear drive frame; 207, large hydraulic cylinder; 208, first mounting plate; 209, chain; 210, second mounting plate; 211, first pressure-resistant plate; 212, universal ball; 213, spring seat; 214, steering seat; 215, second pressure-resistant plate; 216, cement board; 217, drive housing; 218, cutter head housing; 219, rotating motor; 220, tool support seat; 221, drill head. DETAILED DESCRIPTION

[0021] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0022] This embodiment provides a shield machine propulsion cylinder angle adjustment device, which is used for adjusting the shield machine propulsion cylinder angle to relieve the pressure of precast concrete segments.

[0023] Reference Figure 1 and Figure 2 A shield machine propulsion cylinder angle adjustment device includes a front drive frame 1, an outer surface of the front drive frame 1 is fixedly connected to an adjustment mechanism 2, a drive housing 217 is arranged inside the front drive frame 1, a cutter head housing 218 is fixedly connected to the front of the drive housing 217, the drive housing 217 is used to protect the high-speed driving gear to prevent stones and dust from entering and causing tooth jamming, and the cutter head housing 218 is used to lay and install the cutter head.

[0024] Reference Figure 1 and Figure 2 The adjustment mechanism 2 includes six first fixed plates 201, the front side of each first fixed plate 201 is fixedly connected to the back side of the front driving frame 1, the front side of the cutter head housing 218 is fixedly connected to eight tool support seats 220, and the inner walls of the eight tool support seats 220 are rotatably connected to twenty-two drill bits 221, and the tool support seats 220 are used to install the drill bits 221, and the drill bits 221 are used to crush the underground rocks for excavation.

[0025] Reference Figure 1 , Figure 2 and Figure 4The back side of each first fixed plate 201 is fixedly connected with a transverse rotating seat 202, the outer surface of each transverse rotating seat 202 is rotatably connected with a small hydraulic cylinder 203, and the inner wall of the driving shell 217 is fixedly connected with six rotating motors 219, each rotating motor 219 is located inside the front driving frame 1, and the rotating motor 219 provides powerful power for the equipment to ensure the normal operation of the shield machine.

[0026] Reference Figure 1 , Figure 2 , Figure 3 and Figure 4 One end of each small hydraulic cylinder 203 away from the horizontal rotating seat 202 is fixedly connected to the vertical rotating seat 204, the outer surface of each vertical rotating seat 204 is rotatably connected to the second fixed plate 205, the backs of the six second fixed plates 205 are commonly fixedly connected to the rear driving frame 206, and the inner wall of the rear driving frame 206 is fixedly connected to twelve large hydraulic cylinders 207. The telescopic end of each group of large hydraulic cylinders 207 is fixedly connected to the first pressure-resistant plate 211, and the back of each first pressure-resistant plate 211 is fixedly connected to a universal ball 212. One first pressure-resistant plate 211 can fix two large hydraulic cylinders 207 to synchronize the telescopic distance of the two large hydraulic cylinders 207. The universal ball 212 can rotate in any direction, so as to adapt to the rotation of the shield machine to any angle.

[0027] Reference Figure 1 , Figure 2 and Figure 3 Each group of large hydraulic cylinders 207 is fixedly connected to a first mounting plate 208 at one end close to the front driving frame 1, and a chain 209 is fixedly connected to the front of each first mounting plate 208. The back of each first anti-pressure plate 211 is fixedly connected to four spring seats 213, and the back of each group of spring seats 213 is fixedly connected to a second anti-pressure plate 215. The spring seats 213 play a certain buffering role, so that the first anti-pressure plate 211 and the second anti-pressure plate 215 can be kept flush at all times.

[0028] Reference Figure 1 , Figure 2 and Figure 3 One end of each chain 209 away from the first mounting plate 208 is fixedly connected to the second mounting plate 210, the front side of each second mounting plate 210 is fixedly connected to the inner wall of the front driving frame 1, the front side of each second pressure-resistant plate 215 is fixedly connected to a steering seat 214, the inner wall of each steering seat 214 is movably hinged to the outer surface of the universal ball 212, and the steering seat 214 can rotate in any direction in conjunction with the universal ball 212, so as to adapt to the rotation of the shield machine to any angle, playing both a hinged and a supporting role.

[0029] Reference Figure 1 , Figure 2 and Figure 3 Twelve cement boards 216 are arranged on the outside of the six second pressure-resistant plates 215, wherein the front sides of the six cement boards 216 are in contact with the back sides of the second pressure-resistant plates 215. The cement boards 216 are the "shields" for constructing the tunnel and play a role in supporting the tunnel.

[0030] Working principle: When in use, firstly, the six rotating motors 219 are electrically connected through wires, and then the power provided by the six rotating motors 219 is used to cooperate with the gears set inside the driving housing 217 to drive the cutter head housing 218 to rotate. At this time, the rotation of the movable cutter head housing 218 can drive the tool support seat 220 and the drill head 221 to rotate at the same time, and the drill head 221 can be used to crush the underground rocks to achieve the purpose of excavation;

[0031] If the direction of the shield machine needs to be changed at this time, the central controller of the shield machine can be used to control the extension and retraction of the six small hydraulic cylinders 203 respectively. At this time, the two ends of the small hydraulic cylinders 203 are respectively fixedly connected with the horizontal rotating seat 202 and the vertical rotating seat 204, so that the small hydraulic cylinders 203 can adapt to different angle adjustments. The first fixed plate 201 and the second fixed plate 205 are respectively fixed on the front driving frame 1 and the rear driving frame 206 to control the angle of the front driving frame 1, and then the cutter head housing 218 can be driven to adjust the angle. If the shield machine needs to be adjusted downward at this time The angle can be controlled so that the telescopic distance of the two small hydraulic cylinders 203 on the upper side is longer, while the telescopic distance of the two small hydraulic cylinders 203 on the lower side is shorter, so that the angle of the cutter head housing 218 can be controlled to deviate downward. At this time, the large hydraulic cylinder 207 will also undergo the same angle change due to the change of the small hydraulic cylinder 203. Under the constraints of the first mounting plate 208, the chain 209 and the second mounting plate 210, the large hydraulic cylinder 207 will not deviate from the range of the shield machine due to the angle change. At this time, the length of the chain 209 is also the range of the maximum angle that the shield machine can adjust.

[0032] At this time, the large hydraulic cylinder 207 is close to one end of the cement board 216. When the angle changes, the relationship between the universal ball 212 and the steering seat 214 can be used to adapt to any angle change. When the large hydraulic cylinder 207 is recovered, the rebound characteristics of the four spring seats 213 can be used to rebound the first pressure-resistant plate 211 and the second pressure-resistant plate 215 to a flush state, ensuring that each time the large hydraulic cylinder 207 is extended or retracted, it is in a good state to adapt to different new angles, thereby achieving the purpose of the shield machine propulsion cylinder angle adjustment device being able to deviate in any direction within a certain angle space.

[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A shield machine propulsion cylinder angle adjustment device, comprising a front drive frame (1), characterized in that: The outer surface of the front driving frame (1) is fixedly connected to an adjusting mechanism (2), and the adjusting mechanism (2) comprises six first fixing plates (201), the front side of each first fixing plate (201) is fixedly connected to the back side of the front driving frame (1), the back side of each first fixing plate (201) is fixedly connected to a transverse rotating seat (202), the outer surface of each transverse rotating seat (202) is rotatably connected to a small hydraulic cylinder (203), one end of each small hydraulic cylinder (203) away from the transverse rotating seat (202) is fixedly connected to a vertical rotating seat (204), and the outer surface of each vertical rotating seat (204) is rotatably connected to a second fixing seat (201). The rear sides of the six second fixed plates (205) are fixedly connected to a rear drive frame (206), the inner wall of the rear drive frame (206) is fixedly connected to twelve large hydraulic cylinders (207), one end of each group of large hydraulic cylinders (207) close to the front drive frame (1) is fixedly connected to a first mounting plate (208), the front side of each first mounting plate (208) is fixedly connected to a chain (209), the end of each chain (209) away from the first mounting plate (208) is fixedly connected to a second mounting plate (210), and the front side of each second mounting plate (210) is fixedly connected to the inner wall of the front drive frame (1).

2. The shield machine propulsion cylinder angle adjustment device according to claim 1, characterized in that: The telescopic end of each group of the large hydraulic cylinders (207) is fixedly connected to a first pressure-resistant plate (211), and the back surface of each first pressure-resistant plate (211) is fixedly connected to a universal ball (212).

3. The shield machine propulsion cylinder angle adjustment device according to claim 2, characterized in that: The back side of each of the first anti-pressure plates (211) is fixedly connected to four spring seats (213), and the back side of each group of the spring seats (213) is fixedly connected to a second anti-pressure plate (215).

4. The shield machine propulsion cylinder angle adjustment device according to claim 3 is characterized in that: The front surface of each of the second pressure-resistant plates (215) is fixedly connected to a steering seat (214), and the inner wall of each of the steering seats (214) is movably hinged to the outer surface of the universal ball (212).

5. The shield machine propulsion cylinder angle adjustment device according to claim 3, characterized in that: Twelve cement boards (216) are commonly arranged on the outer sides of the six second pressure-resistant plates (215), wherein the front sides of the six cement boards (216) are in contact with the back sides of the second pressure-resistant plates (215).

6. The shield machine propulsion cylinder angle adjustment device according to claim 1, characterized in that: A drive housing (217) is disposed inside the front drive frame (1), and a cutter head housing (218) is fixedly connected to the front side of the drive housing (217).

7. The shield machine propulsion cylinder angle adjustment device according to claim 6, characterized in that: Six rotating motors (219) are fixedly connected to the inner wall of the driving housing (217), and each of the rotating motors (219) is located inside the front driving frame (1).

8. The shield machine propulsion cylinder angle adjustment device according to claim 6, characterized in that: Eight tool support seats (220) are fixedly connected to the front of the tool head housing (218), and twenty-two drill heads (221) are rotatably connected to the inner walls of the eight tool support seats (220).

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