Shield segment overturning crane

Abstract

The utility model discloses a shield segment overturning crane, which comprises a lifting lug, a driving device and a driving device, a horizontal rotating motor is arranged at the bottom of the lifting lug; a telescopic hanging bracket is arranged at the output end of the horizontal rotating motor; the hanging bracket is of an inverted U-shaped structure; vertical rotating motors are symmetrically arranged on the left side and the right side of the bottom of the hanging bracket. A mounting frame is arranged at the output end of the vertical rotating motor; a jack is arranged on the mounting frame; and a vacuum chuck is arranged at the driving end of the jack. According to the pipe piece overturning device, the horizontal rotating motor and the vertical rotating motor are matched, horizontal rotation and vertical rotation of the pipe piece can be achieved, the pipe piece can be overturned in all directions, meanwhile, the jack and the vacuum suction cup are matched, the pipe piece can be sucked and grabbed, and holes do not need to be reserved in the pipe piece.

Description

TECHNICAL FIELD

[0001] The utility model relates to hoisting equipment technical field more specifically, it is a kind of shield segment turnover crane. BACKGROUND

[0002] Shield segment is the main assembly component of shield construction, is the outermost barrier of tunnel, bears the role of resisting soil pressure, underground water pressure and some special load;Shield segment is the permanent lining structure of shield method tunnel, and shield segment quality is directly related to the overall quality and safety of tunnel, influences the waterproof performance and durability of tunnel.Shield segment is usually needed to use shield segment turnover crane in hoisting and overturning process.

[0003] However, the existing shield segment turnover crane has the following problems: 1. The existing turnover crane is mainly designed for specific segments, and cannot meet the turnover needs of segments of various sizes;2. The existing turnover crane usually requires a hole to be reserved on both arc-shaped sides of the shield segment to allow the clamping device to be fixed, limiting the application range of the crane;3. In terms of overturning function, the existing turnover crane can only realize vertical rotation, and lacks the ability to overturn the segment in all directions. SUMMARY

[0004] Therefore, the utility model provides a kind of shield segment turnover crane, and the purpose is to solve the problems in the prior art.

[0005] To solve the above technical problems, the utility model takes the following technical scheme:

[0006] A kind of shield segment turnover crane, comprising: lug;The bottom of the lug is provided with horizontal rotary motor;The output end of the horizontal rotary motor is provided with telescopic hanger;The hanger is inverted U-shaped structure;The bottom of the hanger is symmetrically provided with vertical rotary motor on left and right sides;The output end of the vertical rotary motor is provided with mounting bracket;The mounting bracket is provided with jack;The driving end of the jack is provided with vacuum chuck.

[0007] Preferably, the hanger includes a top plate, a driven telescopic rod and a drive telescopic rod for driving the driven telescopic rod to extend and retract;The top plate is provided on the output end of the horizontal rotary motor;The bottom of the top plate is provided with two driven telescopic rods;Two driven telescopic rods are symmetrically arranged on left and right sides;Each driven telescopic rod is connected to a drive telescopic rod;The vertical rotary motor is fixedly connected to the bottom of the corresponding driven telescopic rod.

[0008] Preferably, the drive telescopic rod is a hydraulic telescopic rod.

[0009] Preferably, the mounting frame is a square frame structure with an internal cavity; two jacks are arranged in the internal cavity of each mounting frame; and a driving mechanism is arranged for driving the two jacks to move towards or away from each other.

[0010] Preferably, the driving mechanism comprises a bidirectional screw rod and a driving motor for driving the bidirectional screw rod to rotate; the bidirectional screw rod is rotatably connected to the internal cavity of the mounting frame; the two jacks are arranged at two ends of the bidirectional screw rod; and the driving motor is fixedly connected to the mounting frame.

[0011] Preferably, the number of bidirectional screw rods is two; and the two bidirectional screw rods are symmetrically arranged on the upper and lower sides of the jacks.

[0012] The utility model discloses relative to the prior art has obtained the following technical effects:

[0013] 1) the utility model discloses can realize the horizontal rotation and vertical rotation of the segment by the cooperation of horizontal rotary motor and vertical rotary motor, can carry out all -round overturning to the segment, and can carry out adsorption and grabbing to the segment by the cooperation of jack and vacuum chuck, need not reserve the hole on the segment.

[0014] 2) the utility model discloses simple structure, and the space is small. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a shield segment overturning crane grabbing alignment schematic view of the utility model;

[0016] Figure 2 It is a shield segment overturning crane initial position schematic view after hoisting of the utility model;

[0017] Figure 3 It is a shield segment overturning crane 180 ° overturning schematic view after hoisting of the utility model;

[0018] Figure 4 It is a shield segment overturning crane lowering schematic view after hoisting and 180 ° overturning of the utility model.

[0019] In the drawing: 1, lifting lug; 2, horizontal rotary motor; 3, top plate; 4, driven telescopic rod; 5, driving telescopic rod; 6, vertical rotary motor; 7, mounting frame; 8, bidirectional screw rod; 9, jack; 10, driving motor; 11, vacuum chuck. DETAILED DESCRIPTION

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Example

[0022] Reference Figures 1-4 As shown, this utility model discloses a shield tunnel segment tilting crane, including: a lifting lug 1; a horizontal rotary motor 2 at the bottom of the lifting lug 1; a retractable hanger at the output end of the horizontal rotary motor 2; the hanger has an inverted U-shaped structure; two vertical rotary motors 6 at the bottom of the hanger; the two vertical rotary motors 6 are symmetrically arranged on the left and right sides; each vertical rotary motor 6 has a mounting bracket 7 at its output end; the two mounting brackets 7 are arranged opposite each other; a jack 9 is provided on the mounting bracket 7; a vacuum suction cup 11 is provided at the driving end of the jack 9; in use, the horizontal rotary motor 2 first drives... The movable hanger rotates horizontally, which in turn drives the vertical rotation motor 6 to rotate horizontally. The vertical rotation motor 6 then drives the mounting frame 7 to rotate vertically. The hanger is then extended downwards, and the vertical rotation motor 6 drives the mounting frame 7 to rotate vertically, thereby adjusting the mounting frame 7 to a suitable position. The jack 9 is then controlled to push the vacuum suction cup 11 towards the tube segment, allowing the vacuum suction cup 11 to adhere to the curved surface of the tube segment. After the tube segment is adhered, the hanger is shortened, and the vertical rotation motor 6 is used to flip the tube segment. Finally, the hanger is extended to complete the tube segment flipping operation.

[0023] The above technical solution uses a combination of a horizontal rotary motor and a vertical rotary motor to achieve horizontal and vertical rotation of the tube segment, thereby enabling the tube segment to be rotated in all directions. At the same time, the tube segment can be gripped and picked up by a combination of a jack and a vacuum suction cup, eliminating the need to leave holes in the tube segment.

[0024] In this embodiment, the hanger includes a top plate 3, driven telescopic rods 4, and a drive telescopic rod 5 for driving the driven telescopic rods 4 to extend and retract. The top plate 3 is located at the output end of the horizontal rotary motor 2. Two driven telescopic rods 4 are provided at the bottom of the top plate 3. The two driven telescopic rods 4 are symmetrically arranged on the left and right sides. Each driven telescopic rod 4 is connected to a drive telescopic rod 5. The vertical rotary motor 6 is fixedly connected to the bottom of the corresponding driven telescopic rod 4. In use, the drive telescopic rod 5 drives the driven telescopic rod 5 to extend and retract, thereby realizing the extension and retraction control of the hanger.

[0025] In this embodiment, the drive telescopic rod 5 is a hydraulic telescopic rod.

[0026] In the embodiment, the mounting frame 7 is a square frame structure with an internal cavity; two jacks 9 are arranged in the mounting frame 7, and a driving mechanism for driving the two jacks 9 to move towards or away from each other is arranged in the mounting frame 7; in use, the two jacks 9 in the mounting frame 7 are controlled to move towards or away from each other by the driving mechanism, so that the distance between the two jacks can be adjusted, and thus different sizes of pipe pieces can be adsorbed and grabbed.

[0027] In the embodiment, the driving mechanism comprises a bidirectional screw 8 and a driving motor 10 for driving the bidirectional screw 8 to rotate; the bidirectional screw 8 is rotatably connected to the inside of the mounting frame 7; the bidirectional screw 8 has external threads with opposite rotation directions at two ends; the two jacks 9 are threadedly connected to the two ends of the bidirectional screw 8, respectively; and the driving motor 10 is fixedly connected to the mounting frame 7; in use, the driving motor 10 drives the bidirectional screw 8 to rotate, and the bidirectional screw 8 drives the two jacks 9 to move towards or away from each other, so as to adjust the position of the jacks 9.

[0028] In the embodiment, the number of bidirectional screws 8 is two; the two bidirectional screws 8 are symmetrically arranged on the upper and lower sides of the jacks 9.

[0029] In the embodiment, the upper and lower sides of the jack 9 are each provided with a fixing seat; the fixing seat and the corresponding bidirectional screw 8 are threadedly connected together.

[0030] In the embodiment, the driving motor 10 is in transmission connection with the two bidirectional screws 8 through a gear box; the gear box has one input end and two output ends; the output end of the driving motor 10 is connected with the input end of the gear box; and the two bidirectional screws 8 are correspondingly connected with the two output ends of the gear box, respectively.

[0031] The operation method of the utility model:

[0032] Firstly, the horizontal rotation motor 2 drives the hanger, the vertical rotation motor 6 and the mounting frame 7 to rotate horizontally, the driving telescopic rod 5 controls the driven telescopic rod 4 to extend, and the vertical rotation motor 6 drives the mounting frame 7 to rotate vertically, so as to adjust the position of the mounting frame 7 and perform grabbing positioning;

[0033] Secondly, the driving motor 10 drives the bidirectional screw 8 to rotate, the bidirectional screw 8 drives the two jacks 9 on it to move towards or away from each other synchronously, the position of the jack 9 is adjusted, the vacuum suction cup 11 is moved to a suitable adsorption position, then the jack 9 is controlled to move the vacuum suction cup 11 to the direction of the pipe piece, and the vacuum suction cup 11 is adsorbed to the arc surface of the pipe piece;

[0034] Thirdly, after the pipe piece is adsorbed, the driving telescopic rod 5 drives the driven telescopic rod 4 to contract, the vertical rotation motor 6 turns over the pipe piece, then the driven telescopic rod 4 is controlled to extend, and the pipe piece turning over work is completed.

[0035] The above is only the preferred embodiment of the present application, and does not limit the technical scope of the present application in any way. Therefore, any slight modification, equivalent change and modification of the above embodiment according to the technical essence of the present application still belongs to the scope of the technical solution of the present application.

Claims

1. A shield tunnel segment tilting crane, characterized in that, include: Lifting lug (1); a horizontal rotating motor (2) is provided at the bottom of the lifting lug (1); a retractable hanger is provided at the output end of the horizontal rotating motor (2); the hanger has an inverted U-shaped structure; vertical rotating motors (6) are symmetrically provided on the left and right sides of the bottom of the hanger; a mounting bracket (7) is provided at the output end of the vertical rotating motor (6); a jack (9) is provided on the mounting bracket (7); a vacuum suction cup (11) is provided at the driving end of the jack (9).

2. The shield tunnel segment tilting crane according to claim 1, characterized in that, The hanger includes a top plate (3), a driven telescopic rod (4), and a driving telescopic rod (5) for driving the driven telescopic rod (4) to perform telescopic movements; the top plate (3) is located at the output end of the horizontal rotary motor (2); two driven telescopic rods (4) are provided at the bottom of the top plate (3); the two driven telescopic rods (4) are arranged symmetrically on the left and right; each driven telescopic rod (4) is connected to a driving telescopic rod (5); the vertical rotary motor (6) is fixedly connected to the bottom of the corresponding driven telescopic rod (4).

3. A shield tunnel segment tilting crane according to claim 2, characterized in that, The drive telescopic rod (5) is a hydraulic telescopic rod.

4. A shield tunnel segment tilting crane according to claim 1, characterized in that, The mounting frame (7) is a hollow square frame structure; each mounting frame (7) is equipped with two jacks (9) and a drive mechanism for driving the two jacks (9) to move towards or away from each other.

5. A shield tunnel segment tilting crane according to claim 4, characterized in that, The driving mechanism includes a bidirectional screw (8) and a drive motor (10) for driving the bidirectional screw (8) to rotate; the bidirectional screw (8) is rotatably connected inside the mounting frame (7); two jacks (9) are disposed at both ends of the bidirectional screw (8); the drive motor (10) is fixedly connected to the mounting frame (7).

6. A shield tunnel segment tilting crane according to claim 5, characterized in that, The number of the bidirectional screws (8) is two; the two bidirectional screws (8) are symmetrically arranged on the upper and lower sides of the jack (9).

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