Shield construction soil body reinforcing device

Abstract

The utility model relates to a shield construction soil body reinforcing device, which belongs to the technical field of shield construction and comprises a base, a construction frame is arranged at the top end of the base, and an inner gear ring is fixedly mounted in the construction frame. The shield tunneling machine has the advantages that when soil reinforcement needs to be conducted on an access hole in shield construction, the first servo motor can be started, the transmission gear is driven to rotate through the output shaft of the first servo motor, and therefore the transmission gear can roll on the inner gear ring; the straight pipe and the grouting head can do circular motion so as to be matched with an annular structure entering and exiting from the hole, grouting materials are injected into the hole through the grouting head, in the structure, automatic grouting operation can be achieved, manual operation space is reduced, and through the effect of the angle control mechanism, the grouting efficiency is improved. And a grouting opening of the grouting head can be adjusted under the non-stop condition, so that the reinforcement efficiency of shield construction can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of shield construction, in particular to a soil reinforcement device for shield construction. Background Art

[0002] During urban subway construction, in order to ensure the safety of the shield machine entering and exiting the tunnel, the soil at the entrance and exit must have good self-sustaining and compactness to prevent the soil at the entrance from collapsing and groundwater from flowing into the foundation pit through the entrance. The entry and exit of the shield machine is the key to shield tunnel construction. The success or failure of its construction technology will directly affect the shield machine advancement and construction quality of the entire tunnel, and is also related to the safety of the tunnel project.

[0003] At present, in the shield construction process, for sandy soil layers, the grouting method is used to inject materials to penetrate into the gaps between soil particles and consolidate them, so as to carry out soil reinforcement operations at the entrance and exit of the tunnel to prevent the deformation of the stratum and avoid damage to the surrounding ground buildings and underground pipelines. In the grouting process, part of the workers need to hold the grouting gun, which makes the grouting time-consuming and labor-intensive, and increases the labor intensity of the workers. The other part uses a grouting machine, and the grouting port of the grouting machine needs to be adjusted in the middle to adapt to the reinforcement of tunnels of different sizes, which delays part of the soil reinforcement time and reduces work efficiency. Utility Model Content

[0004] In view of the above problems existing in the prior art, the main purpose of the present invention is to provide a soil reinforcement device for shield construction.

[0005] The technical solution of the utility model is as follows: a shield construction soil reinforcement device, including a base, a construction frame is provided at the top of the base, an inner gear ring is fixedly installed inside the construction frame, a servo motor 1 is provided on the outside of the base, the output shaft of the servo motor 1 is fixedly connected to a transmission gear, the transmission gear is meshed with the inner gear ring, the outer side of the servo motor 1 is fixedly connected to a fixed plate, a corrugated pipe is provided on one side of the fixed plate, both ends of the corrugated pipe are fixedly connected to straight pipes, one end of one of the straight pipes away from the corrugated pipe is fixedly connected to a grouting head, and the other straight pipe is fixedly connected to the fixed plate, and one end is fixedly connected to a connecting flange.

[0006] By adopting the above technical solution, the output shaft of servo motor 1 drives the transmission gear to rotate, so that the transmission gear can roll on the inner ring gear, and through the setting of the limiting mechanism, the straight pipe and the grouting head can make circular motion to adapt to the annular structure of the inlet and outlet, and the grouting material is injected into the hole using the grouting head.

[0007] As a preferred embodiment, an angle control mechanism is provided on one side of the fixed plate, and the angle control mechanism includes an electric telescopic rod rotatably installed on one side of the fixed plate, the electric telescopic rod is arranged on the same side as the grouting head, and the piston rod of the electric telescopic rod is fixedly connected to the outer side of the straight pipe.

[0008] By adopting the above technical solution, the straight pipe and the grouting head can be driven to rotate on the fixed plate through the extension and retraction of the piston rod of the electric telescopic rod, thereby being able to adapt to the construction of inlet and outlet holes of different sizes.

[0009] As a preferred embodiment, a position adjustment mechanism is provided inside the base, and the position adjustment mechanism includes two mounting grooves opened inside the base, wherein a screw is rotatably connected to the inside of one of the mounting grooves, and a fixing rod is fixedly connected to the inside of the other mounting groove.

[0010] By adopting the above technical solution, the threaded block can be driven to slide in the installation groove through the rotation of the screw rod, thereby adjusting the position of the construction frame.

[0011] As a preferred embodiment, the position adjustment mechanism further includes a threaded block threadedly connected to the outside of the screw rod, a slider is slidably connected to the outside of the fixed rod, and the slider and the threaded block are respectively fixedly connected to the two ends of the bottom of the construction frame.

[0012] By adopting the above technical solution and using the slider in conjunction with the fixing rod, the construction frame can be made more stable during movement.

[0013] As a preferred embodiment, a limiting mechanism is provided inside the construction frame, and the limiting mechanism includes a limiting groove opened inside the construction frame and located on the outer ring of the inner gear ring, and a T-shaped limiting plate is slidably installed inside the limiting groove, and the T-shaped limiting plate is fixedly connected to a base plate on the side close to the servo motor.

[0014] By adopting the above technical solution, through the coordinated use of the T-shaped limiting plate and the limiting groove, an important limiting effect can be achieved on the servo motor.

[0015] As a preferred embodiment, a mounting mechanism is provided on the outside of the servo motor 1, and the mounting mechanism includes two supporting feet fixedly connected to one side of the servo motor 1, and two fixing bolts are provided inside the supporting feet, and the supporting feet are connected to the base plate by bolts.

[0016] By adopting the above technical solution, the servo motor 1 and various components on the servo motor 1 can be disassembled from the construction frame through the coordinated use of the support legs, the base plate and the bolts.

[0017] As a preferred embodiment, a servo motor 2 is fixedly mounted on one side of the base, and an output shaft of the servo motor 2 extends into the interior of the mounting groove and is fixedly connected to the screw.

[0018] By adopting the above technical solution, the screw can be driven to rotate by the rotation of the output shaft of the servo motor 2.

[0019] As a preferred embodiment, the end of the connecting flange away from the straight pipe is fixedly connected to the output end of an external grouting pump.

[0020] By adopting the above technical solution, the grouting material can be transported to the grouting head through an external grouting pump, and finally the grouting material is injected into the reinforced hole through the grouting head.

[0021] Compared with the prior art, the advantages and positive effects of the present invention are:

[0022] 1. In the present invention, when the soil at the entrance and exit of the tunnel needs to be reinforced during shield construction, servo motor 1 can be started, and the output shaft of servo motor 1 can drive the transmission gear to rotate, so that the transmission gear can roll on the inner ring gear, and through the setting of the limiting mechanism, the straight pipe and the grouting head can make circular motion to adapt to the annular structure of the entrance and exit of the tunnel, and the grouting head is used to inject grouting material into the tunnel. In the above structure, automatic grouting operation can be realized, reducing the manual operation space, and through the action of the angle control mechanism, the grouting port of the grouting head can be adjusted without stopping the machine, thereby improving the reinforcement efficiency of the shield construction.

[0023] 2. In the present invention, when the grouting angle of the grouting head needs to be adjusted, the piston rod of the electric telescopic rod can be extended and retracted to drive the straight pipe and the grouting head to rotate on the fixed plate, thereby being able to adapt to the construction of inlet and outlet openings of different sizes, thereby improving the applicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 The utility model provides an overall three-dimensional diagram of a shield construction soil reinforcement device;

[0025] Figure 2 The utility model provides a rear view of a soil reinforcement device for shield construction;

[0026] Figure 3 The utility model provides a schematic structural diagram of an angle control mechanism and an installation mechanism of a soil reinforcement device for shield construction.

[0027] Legend: 1. Base; 2. Construction frame; 3. Inner ring gear; 4. Servo motor 1; 5. Limit slot; 6. Fixing plate; 7. Transmission gear; 8. Electric telescopic rod; 9. Grouting head; 10. Straight pipe; 11. Bellows; 12. Bottom plate; 13. Connecting flange; 14. Support foot; 15. T-shaped limit plate; 16. Mounting slot; 17. Fixing rod; 18. Screw; 19. Threaded block; 20. Slider; 21. Servo motor 2. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0029] Reference Figure 1-3 A shield construction soil reinforcement device includes a base 1, a construction frame 2 is provided on the top of the base 1, an inner gear ring 3 is fixedly installed inside the construction frame 2, a servo motor 4 is provided on the outside of the base 1, the output shaft of the servo motor 4 is fixedly connected to a transmission gear 7, the transmission gear 7 is meshed with the inner gear ring 3, a fixed plate 6 is fixedly connected to the outside of the servo motor 4, a corrugated pipe 11 is provided on one side of the fixed plate 6, and straight pipes 10 are fixedly connected to both ends of the corrugated pipe 11, one end of the straight pipe 10 away from the corrugated pipe 11 is fixedly connected to a grouting head 9, and the other straight pipe 10 is fixedly connected to the fixed plate 6, and one end of the straight pipe 10 is fixedly connected to the fixed plate 6, and a connecting flange 13 is fixedly connected to the other end. When the soil at the entrance and exit of the tunnel needs to be reinforced during shield construction, the servo motor 4 can be started, and the output shaft of the servo motor 4 can drive the transmission gear 7 to rotate, so that the transmission gear 7 can roll on the inner ring 3, and through the setting of the limiting mechanism, the straight pipe 10 and the grouting head 9 can make circular motion to adapt to the annular structure of the entrance and exit of the tunnel, and the grouting head 9 is used to inject grouting material into the tunnel. In the above structure, automatic grouting operation can be realized, reducing the manual operation space, and through the action of the angle control mechanism, the grouting port of the grouting head 9 can be adjusted without stopping the machine, thereby improving the reinforcement efficiency of the shield construction.

[0030] Reference Figure 3An angle control mechanism is provided on one side of the fixed plate 6, and the angle control mechanism includes an electric telescopic rod 8 rotatably mounted on one side of the fixed plate 6. The electric telescopic rod 8 is arranged on the same side as the grouting head 9, and the piston rod of the electric telescopic rod 8 is fixedly connected to the outer side of the straight tube 10. When the grouting angle of the grouting head 9 needs to be adjusted, the straight tube 10 and the grouting head 9 can be driven to rotate on the fixed plate 6 by the extension and contraction of the piston rod of the electric telescopic rod 8, so as to adapt to the construction of inlet and outlet openings of different sizes, thereby improving the applicability of the device.

[0031] Reference Figure 2 A position adjustment mechanism is provided inside the base 1, and the position adjustment mechanism includes two mounting grooves 16 opened inside the base 1, wherein a screw 18 is rotatably connected to the inside of one mounting groove 16, and a fixed rod 17 is fixedly connected to the inside of the other mounting groove 16. By rotating the screw 18, the threaded block 19 can be driven to slide in the mounting groove 16, thereby adjusting the position of the construction frame 2, thereby adjusting the grouting distance of the grouting head 9 and improving the grouting effect.

[0032] Reference Figure 2 The position adjustment mechanism also includes a threaded block 19 threadedly connected to the outside of the screw rod 18, and a slider 20 is slidably connected to the outside of the fixed rod 17. The slider 20 and the threaded block 19 are respectively fixedly connected to the two ends of the bottom of the construction frame 2. Through the coordinated use of the slider 20 and the fixed rod 17, the construction frame 2 can be made more stable during movement and less likely to shake.

[0033] Reference Figure 3 A limiting mechanism is provided inside the construction frame 2, and the limiting mechanism includes a limiting groove 5 opened inside the construction frame 2 and located on the outer ring of the inner gear ring 3. A T-shaped limiting plate 15 is slidably installed inside the limiting groove 5. The T-shaped limiting plate 15 is fixedly connected to the bottom plate 12 on the side close to the servo motor 4. Through the coordinated use of the T-shaped limiting plate 15 and the limiting groove 5, it can play an important limiting role for the servo motor 4, so as to cooperate with the grouting head 9 to make circular motion, and at the same time can form a stable support for the servo motor 4, so that the servo motor 4 is more stable during the rotation process.

[0034] Reference Figure 3 A mounting mechanism is provided on the outside of the servo motor 4, and the mounting mechanism includes two supporting feet 14 fixedly connected to one side of the servo motor 4. Two fixing bolts are provided inside the supporting feet 14, and the supporting feet 14 are connected to the base plate 12 by bolts. By using the supporting feet 14, the base plate 12 and the bolts in combination, the servo motor 4 and the various components on the servo motor 4 can be disassembled from the construction frame 2, so as to carry out maintenance work on the supporting feet 14 and the electric telescopic rod 8.

[0035] Reference Figure 2 A servo motor 21 is fixedly installed on one side of the base 1. The output shaft of the servo motor 21 extends to the inside of the mounting groove 16 and is fixedly connected to the screw 18. The rotation of the output shaft of the servo motor 21 can drive the screw 18 to rotate, thereby realizing the position adjustment of the construction frame 2.

[0036] Reference Figure 3 The end of the connecting flange 13 away from the straight pipe 10 is fixedly connected to the output end of the external grouting pump. The grouting material can be transported to the grouting head 9 through the external grouting pump, and finally the grouting material is injected into the reinforced hole through the grouting head 9.

[0037] Working principle: First, when the soil at the entrance and exit of the shield tunnel needs to be reinforced, the grouting position and angle of the grouting head 9 should be adjusted. The servo motor 21 can be started by controlling the external control device to drive the screw 18 to rotate, thereby driving the threaded block 19 to slide in the installation groove 16, and then the position of the construction frame 2 can be adjusted, thereby adjusting the grouting distance of the grouting head 9 to improve the grouting effect;

[0038] The electric telescopic rod 8 can be started. By extending and retracting the piston rod of the electric telescopic rod 8, the straight pipe 10 and the grouting head 9 can be driven to rotate on the fixed plate 6, so that the grouting angle of the grouting head 9 can be adjusted, thereby being able to adapt to the construction of entrances and exits of different sizes, thereby improving the applicability of the device;

[0039] Finally, start the servo motor 4, and drive the transmission gear 7 to rotate through the output shaft of the servo motor 4, so that the transmission gear 7 can roll on the inner gear ring 3, and the T-shaped limit plate 15 and the limit groove 5 can play an important limiting role for the servo motor 4 to cooperate with the grouting head 9 to make circular motion. At the same time, it can form a stable support for the servo motor 4, making the servo motor 4 more stable during the rotation process, so that the straight pipe 10 and the grouting head 9 can make circular motion to adapt to the annular structure of the inlet and outlet, and use the grouting head 9 to inject the grouting material into the hole. In the above structure, automatic grouting operation can be realized, reducing the manual operation space, and through the action of the angle control mechanism, the grouting port of the grouting head 9 can be adjusted without stopping the machine.

[0040] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connection" 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 a direct connection or an indirect connection through an intermediate medium, or it can be a connection between the internal parts of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0041] The above are only preferred embodiments of the present application and are not intended to limit the present application. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present application should be included in the scope of protection of the present application.

Claims

1. A shield construction soil reinforcement device, comprising a base (1), characterized in that: A construction frame (2) is provided at the top of the base (1), an inner gear ring (3) is fixedly installed inside the construction frame (2), a servo motor (4) is provided on the outside of the base (1), an output shaft of the servo motor (4) is fixedly connected to a transmission gear (7), the transmission gear (7) is meshedly connected to the inner gear ring (3), a fixed plate (6) is fixedly connected to the outside of the servo motor (4), a bellows (11) is provided on one side of the fixed plate (6), both ends of the bellows (11) are fixedly connected to straight pipes (10), one end of one of the straight pipes (10) away from the bellows (11) is fixedly connected to a grouting head (9), and the other straight pipe (10) is fixedly connected to the fixed plate (6), and one end is fixedly connected to a connecting flange (13).

2. The shield construction soil reinforcement device according to claim 1, characterized in that: An angle control mechanism is provided on one side of the fixed plate (6), and the angle control mechanism comprises an electric telescopic rod (8) rotatably mounted on one side of the fixed plate (6), the electric telescopic rod (8) being arranged on the same side as the grouting head (9), and the piston rod of the electric telescopic rod (8) being fixedly connected to the outer side of the straight tube (10).

3. The shield construction soil reinforcement device according to claim 1, characterized in that: A position adjustment mechanism is provided inside the base (1), and the position adjustment mechanism comprises two mounting grooves (16) provided inside the base (1), wherein a screw rod (18) is rotatably connected inside one of the mounting grooves (16), and a fixing rod (17) is fixedly connected inside the other mounting groove (16).

4. The shield construction soil reinforcement device according to claim 3, characterized in that: The position adjustment mechanism further comprises a threaded block (19) threadedly connected to the outside of the screw rod (18); a slider (20) is slidably connected to the outside of the fixed rod (17); the slider (20) and the threaded block (19) are respectively fixedly connected to the two ends of the bottom of the construction frame (2).

5. The shield construction soil reinforcement device according to claim 1, characterized in that: A limiting mechanism is provided inside the construction frame (2), and the limiting mechanism comprises a limiting groove (5) provided inside the construction frame (2) and located on the outer ring of the inner gear ring (3). A T-shaped limiting plate (15) is slidably installed inside the limiting groove (5), and a bottom plate (12) is fixedly connected to a side of the T-shaped limiting plate (15) close to the servo motor (4).

6. The shield construction soil reinforcement device according to claim 1, characterized in that: A mounting mechanism is provided on the outside of the servo motor 1 (4), and the mounting mechanism includes two supporting feet (14) fixedly connected to one side of the servo motor 1 (4), and two fixing bolts are provided inside the supporting feet (14), and the supporting feet (14) are connected to the base plate (12) by bolts.

7. The shield construction soil reinforcement device according to claim 1, characterized in that: A servo motor 2 (21) is fixedly mounted on one side of the base (1), and an output shaft of the servo motor 2 (21) extends into the interior of the mounting groove (16) and is fixedly connected to the screw rod (18).

8. The shield construction soil reinforcement device according to claim 1, characterized in that: The end of the connecting flange (13) away from the straight pipe (10) is fixedly connected to the output end of an external grouting pump.

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