Shield segment joint glue injection device

Abstract

The utility model discloses a shield segment joint glue injection device in the technical field of glue injection devices, which comprises an annular support body, one side of the annular support body is welded with a mounting plate, and the middle of the mounting plate is rotatably connected with a rotating block. The mounting plate is welded to one side of the annular supporting body to be rotationally connected with the rotating block, the telescopic rod penetrates through one end of the rotating block, one end of the telescopic rod is connected with the glue injection pump body, the reset springs are connected to the two ends of the telescopic rod, and the telescopic rod is kept in the middle through the reset springs; the glue injection pump body is controlled to be stopped and started, the movable telescopic rod is pushed, the glue injection pipe is inserted into gaps among the multiple shield segments, glue is injected into the matched gaps through annular rotation, the rotating block can rotate in all directions on the mounting plate, and then the glue injection device is suitable for being used in an annular curved surface body formed by the multiple shield segments. And the movable ring support body is matched to carry out transverse multi-position glue injection.

Description

Technical Field

[0001] The utility model relates to the technical field of glue injection devices, in particular to a shield segment joint glue injection device. Background Art

[0002] The shield segment is the main assembly component of the shield construction and the innermost barrier of the tunnel. It is responsible for resisting soil pressure, groundwater pressure and some special loads. The shield segment is the permanent lining structure of the shield tunnel. The quality of the shield segment is directly related to the overall quality and safety of the tunnel, and affects the waterproof performance and durability of the tunnel. The production of shield segments usually uses high-strength impermeable concrete to ensure reliable bearing and waterproof performance. The production mainly uses the finished segment mold after sealing and pouring concrete. Multiple shield segments are spliced ​​into an annular tubular body. There are large gaps between the multiple shield segments. In order to ensure the overall sealing and prevent water seepage, the sealing colloid is injected into the gap to ensure the overall sealing effect.

[0003] However, the existing shield segment joint glue injection is mostly done manually, using a manually operated glue injection gun to inject glue into the gaps. Since the shield segment forms a tubular body, there are gaps on many annular surfaces. Manual hand operation can easily cause hand soreness, and it is not easy to inject glue at high places, and it is inconvenient to inject glue in the annular curved surface, resulting in poor use effect. Based on this, the utility model designs a shield segment joint glue injection device to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a shield segment joint glue injection device to solve the above-mentioned problems that manual hand operation easily causes hand soreness, it is difficult to inject glue at high places, and it is inconvenient to inject glue in annular surfaces.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A shield segment joint glue injection device comprises a ring support body, which is ring-shaped, and a mounting plate is welded to one side of the ring support body, and a rotating block is rotatably connected to the middle of the mounting plate, and a telescopic rod is passed through one end of the rotating block, and reset springs are connected to both ends of the telescopic rod, and the reset springs on both sides are fitted and connected to both sides of the rotating block, one end of the telescopic rod is connected to a glue injection pump body, and an operating handle is connected to one side of the glue injection pump body, and the feed end and the discharge end of the glue injection pump body are respectively connected to a feed pipe and a glue injection pipe, and a plurality of rolling support assemblies are connected to the ring support body, and the plurality of rolling support assemblies provide multi-point rolling support to the ring support body.

[0007] As a further solution of the utility model: the discharge end of the glue injection tube is conical, and the glue injection tube and the telescopic rod are arranged on the same axis.

[0008] As a further solution of the utility model: a connecting rod is welded to the other end of the telescopic rod, a counterweight block is connected to the connecting rod, and the weight of the counterweight block matches the weight of the injection pump body.

[0009] As a further solution of the utility model: the rolling support assembly includes multiple cross plates, and the multiple cross plates are equidistantly welded on the ring support body. The middle part of the cross plate is threadedly connected with a screw rod, and the screw rod is threadedly connected with a fastening bolt. A clamping ball body is welded at one end of the screw rod, and a rolling ball is rotatably connected in the clamping ball body.

[0010] As a further solution of the utility model: a ruler is embedded and installed inside one side of the screw rod, and the length of the ruler matches the length of the screw rod.

[0011] As a further solution of the utility model: a transverse push rod is fixedly welded to one side of the ring support body, and the middle part of the push rod is cylindrical.

[0012] As a further solution of the utility model: a rubber sleeve is connected to the cylinder in the middle of the push rod, and a plurality of anti-slip strips are provided on the rubber sleeve.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. In the utility model, a rotating block is rotatably connected by welding a mounting plate on one side of the ring support body, a telescopic rod is passed through one end of the rotating block, one end of the telescopic rod is connected to a glue injection pump body, and the glue introduced by the feed pipe is discharged through the glue injection pipe through the glue injection pump body, and both ends of the telescopic rod are connected with a reset spring, and the telescopic rod is kept in the middle position by the reset spring. The hand holds the operating handle on one side to control the start and stop of the glue injection pump body, and pushes the movable telescopic rod to insert the glue injection pipe into the gap between multiple shield segments, and performs circular rotation to inject into the matching gap. After the glue injection is completed, the telescopic rod is automatically reset by the reset spring, and the rotating block can rotate in all directions on the mounting plate, and then it is suitable for the annular curved body formed by multiple shield segments, and cooperates with the movable ring support body to perform horizontal glue injection in multiple places.

[0015] 2. In the utility model, the screw is threadedly connected through multiple horizontal plates on the ring support body, the screw is locked with the fastening bolts, the screw is adjusted to different lengths, and is suitable for supporting shield channels with different diameters. The ball body at one end of the screw is used to install a spherical rolling ball, so that the spherical rolling ball contacts the inner wall of the shield segment, which is convenient for multi-point contact support of the device, so that the ring support body and the shield channel are on the same axis for glue injection operation. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 2 For the utility model Figure 1 The enlarged structural diagram at A in the middle;

[0018] Figure 3 It is a schematic diagram of the overall explosion structure of the utility model;

[0019] Figure 4 It is a rear-view stereoscopic structural schematic diagram of the utility model.

[0020] In the figure: 1. ring support body; 2. mounting plate; 3. rotating block; 4. telescopic rod; 5. return spring; 6. injection pump body; 7. operating handle; 8. injection tube; 9. feed tube; 10. connecting rod; 11. counterweight block; 12. cross plate; 13. screw; 14. ball holder; 15. rolling ball; 16. ruler; 17. push rod; 18. rubber sleeve. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Example:

[0023] See also Figure 1-Figure 4In the embodiment of the utility model, a shield segment joint glue injection device comprises a ring support body 1, which is annular, and a mounting plate 2 is welded on one side of the ring support body 1. A rotating block 3 is rotatably connected to the middle part of the mounting plate 2. A telescopic rod 4 is penetrated and connected to one end of the rotating block 3. Both ends of the telescopic rod 4 are connected to a return spring 5. The return springs 5 ​​on both sides are both fitted and connected to the two sides of the rotating block 3. A glue injection pump body 6 is connected to one end of the telescopic rod 4. An operating handle 7 is connected to one side of the glue injection pump body 6. A feeding pipe 9 and a glue injection pipe 8 are connected to the feeding end and the discharging end of the glue injection pump body 6 respectively. A plurality of rolling support assemblies are connected to the ring support body 1. The plurality of rolling support assemblies provide multi-point rolling support to the ring support body 1. A plurality of rolling support assemblies are connected to the ring support body 1. The columnar inner wall formed by the plurality of rolling support assemblies and the underground shield segment is used to support the overall multi-point support of the device, and can be pushed laterally at the same time. A welding installation on one side of the ring support body 1 The mounting plate 2 is rotatably connected to the rotating block 3, and a telescopic rod 4 runs through one end of the rotating block 3, and one end of the telescopic rod 4 is connected to the glue injection pump body 6. The glue introduced by the feed pipe 9 is discharged through the glue injection tube 8 through the glue injection pump body 6. Both ends of the telescopic rod 4 are connected with a return spring 5, and the telescopic rod 4 is kept in the middle position by the return spring 5. The hand holds the operating handle 7 on one side to stop and start the glue injection pump body 6, and pushes the movable telescopic rod 4 to insert the glue injection tube 8 into the gap between the multiple shield segments, and performs annular rotation to inject into the matching gap. After the glue injection is completed, the telescopic rod 4 is automatically reset by the return spring 5. The rotating block 3 can rotate in all directions on the mounting plate 2, and then it is suitable for the annular curved surface body formed by the multiple shield segments, and cooperates with the movable ring support body 1 to perform horizontal multiple glue injection, so as to avoid hand soreness caused by long-term manual glue injection. At the same time, all-round arc gap glue injection can be performed, which is convenient to operate and has a wide range of applications.

[0024] Preferably, Figure 1 and Figure 2 As shown, the discharge end of the glue injection tube 8 is tapered, and the glue injection tube 8 and the telescopic rod 4 are arranged on the same axis. The tapered discharge end of the glue injection tube 8 is convenient for insertion into the gap, and the glue injection tube 8 and the telescopic rod 4 on the same axis are convenient for telescopic operation.

[0025] Preferably, Figure 2 As shown, a connecting rod 10 is welded to the other end of the telescopic rod 4, and a counterweight 11 is connected to the connecting rod 10. The weight of the counterweight 11 matches the weight of the glue injection pump body 6. The counterweight 11 is installed on one end of the telescopic rod 4 through the connecting rod 10. The counterweight 11 counterweights the glue injection pump body 6 at the other end, making the operation of the glue injection pump body 6 more labor-saving and convenient.

[0026] Preferably, Figure 2 and Figure 3As shown, the rolling support assembly includes a plurality of transverse plates 12, and the plurality of transverse plates 12 are equidistantly welded on the ring support body 1. A screw 13 is threadedly connected to the middle part of the transverse plate 12, and a fastening bolt is threadedly connected to the screw 13. A clamping ball 14 is welded to one end of the screw 13, and a rolling ball 15 is rotatably connected inside the clamping ball 14. The plurality of transverse plates 12 on the ring support body 1 are threadedly connected to the screw 13, and the screw 13 is locked with the fastening bolt. The screw 13 is adjusted to different lengths to be suitable for supporting shield channels of different diameters. The clamping ball 14 at one end of the screw 13 is used to install a spherical rolling ball 15 so that the spherical rolling ball 15 contacts the inner wall of the shield segment, which is convenient for multi-point contact support of the device, so that the ring support body 1 and the shield channel are on the same axis for glue injection operation.

[0027] Preferably, Figure 2 and Figure 3 As shown, a ruler 16 is embedded inside one side of the screw rod 13 , and the length of the ruler 16 matches the length of the screw rod 13 . The ruler 16 embedded inside the screw rod 13 is used to mark the height so that multiple screw rods 13 are at the same support height.

[0028] Preferably, Figure 4 As shown, a transverse push rod 17 is fixedly welded on one side of the ring support body 1, and the middle part of the push rod 17 is cylindrical. The push rod 17 fixedly welded on one side of the ring support body 1 is convenient for hand pushing, and the cylindrical end in the middle of the push rod 17 is convenient for hand holding.

[0029] Preferably, Figure 4 As shown, a rubber sleeve 18 is connected to the cylinder in the middle of the push rod 17, and a plurality of anti-slip strips are provided on the rubber sleeve 18. The rubber sleeve 18 on the push rod 17 facilitates stable grip, and the plurality of anti-slip strips on the rubber sleeve 18 increase friction.

[0030] The working principle of the utility model is as follows: the electrical equipment of the device is connected to an external power supply, a plurality of rolling support assemblies are connected to the ring support body 1, and the device is supported at multiple points as a whole through the inner wall of the column formed by the plurality of rolling support assemblies and the underground shield segments, and can be pushed laterally at the same time, a mounting plate 2 is welded on one side of the ring support body 1 to rotate the rotating block 3, a telescopic rod 4 is passed through one end of the rotating block 3, one end of the telescopic rod 4 is connected to a glue injection pump body 6, and the glue introduced by the feed pipe 9 is led out through the glue injection pipe 8 through the glue injection pump body 6, and the two ends of the telescopic rod 4 are connected to a reset spring 5, and the reset spring 5 is used to rotate the rotating block 3. Keep the telescopic rod 4 in the middle position, hold the operating handle 7 on one side, control the start and stop of the glue injection pump body 6, and push the movable telescopic rod 4, insert the glue injection tube 8 into the gap between the multiple shield segments, and rotate it in a circle to inject it into the matching gap. After the glue injection is completed, the telescopic rod 4 is automatically reset by the reset spring 5, and the rotating block 3 can rotate in all directions on the mounting plate 2, and then it is suitable for the annular curved surface formed by the multiple shield segments, and cooperates with the movable ring support body 1 to perform horizontal multiple injections, avoiding hand pain caused by long-term manual injection. At the same time, all-round arc gap injection can be performed, and the operation is convenient.

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A shield segment joint glue injection device, comprising a ring support body (1), wherein the ring support body (1) is annular, and characterized in that: A mounting plate (2) is welded to one side of the ring support body (1); a rotating block (3) is rotatably connected to the middle of the mounting plate (2); a telescopic rod (4) is passed through one end of the rotating block (3); both ends of the telescopic rod (4) are connected to return springs (5); the return springs (5) on both sides are fitted and connected to the two sides of the rotating block (3); one end of the telescopic rod (4) is connected to a glue injection pump body (6); one side of the glue injection pump body (6) is connected to an operating handle (7); the feed end and the discharge end of the glue injection pump body (6) are respectively connected to a feed pipe (9) and a glue injection pipe (8); a plurality of rolling support assemblies are connected to the ring support body (1); and the plurality of rolling support assemblies provide multi-point rolling support to the ring support body (1).

2. A shield segment joint glue injection device according to claim 1, characterized in that: The discharge end of the glue injection tube (8) is conical, and the glue injection tube (8) and the telescopic rod (4) are arranged on the same axis.

3. A shield segment joint glue injection device according to claim 1, characterized in that: A connecting rod (10) is welded to the other end of the telescopic rod (4), and a counterweight (11) is connected to the connecting rod (10), wherein the weight of the counterweight (11) matches the weight of the injection pump body (6).

4. A shield segment joint glue injection device according to claim 1, characterized in that: The rolling support assembly comprises a plurality of transverse plates (12), wherein the plurality of transverse plates (12) are welded to the ring support body (1) at equal intervals, a screw rod (13) is threadedly connected to the middle of the transverse plate (12), a fastening bolt is threadedly connected to the screw rod (13), a ball clamping body (14) is welded to one end of the screw rod (13), and a rolling ball (15) is rotatably connected to the inside of the ball clamping body (14).

5. A shield segment joint glue injection device according to claim 4, characterized in that: A ruler (16) is embedded and installed inside one side of the screw rod (13), and the length of the ruler (16) matches the length of the screw rod (13).

6. A shield segment joint glue injection device according to claim 1, characterized in that: A transverse push rod (17) is fixedly welded to one side of the ring support body (1), and the middle portion of the push rod (17) is cylindrical.

7. A shield segment joint glue injection device according to claim 6, characterized in that: A rubber sleeve (18) is connected to the cylinder in the middle of the push rod (17), and a plurality of anti-slip strips are provided on the rubber sleeve (18).

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