Portal crane for subway construction

Abstract

The utility model discloses a portal crane for metro construction, and relates to the technical field of portal cranes for metro construction, in particular to a portal crane for metro construction, which comprises a moving frame, a support is fixedly mounted at the top of the moving frame, a lifting groove is formed in the support, a lifting frame is slidably connected in the lifting groove, and a lifting rod is arranged in the lifting frame. An end beam is fixedly mounted at the top of the lifting frame, a mounting frame is fixedly mounted on one side of the moving frame, a supporting frame is fixedly mounted on one side of the mounting frame, a supporting seat is fixedly mounted at the top of the supporting frame, and a base is fixedly mounted at the top of the supporting seat. According to the portal crane for subway construction, through the arrangement of the electric telescopic rod, the portal crane for subway construction has the effects that the hoisting height of the portal crane is convenient to adjust, and part of pipes are prevented from being unable to be hoisted, so that the effect of good adjusting effect is achieved, and the purpose of relatively convenient use is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to subway construction gantry crane technical field, concretely is a subway construction gantry crane. BACKGROUND

[0002] The subway is a kind of railway transport, and is mainly underground urban rail transport equipment, and it is widely used due to its rapid and convenient, in the process of building subway, pipe material is hoisted by gantry crane, in the process of subway tunnel excavation, subway shield machine is used to dig underground, while preventing soft foundation excavation surface collapse or keeping excavation surface stable, tunnel excavation and lining operation are safely carried out in machine, its construction process needs to excavate shaft or foundation pit at one end of a section of tunnel first, hoist subway shield machine for installation, subway shield machine starts to dig from the wall opening of shaft or foundation pit and advances along the design hole line until reaches another shaft or tunnel endpoint in hole line, at this time, special gantry crane is used to transfer excavated spoil.

[0003] The existing subway construction gantry crane is inconvenient to adjust the hoisting height, thereby causing a part of pipe material to be unable to be hoisted, and use is more inconvenient, and the existing subway construction gantry crane is inconvenient to limit, thereby causing safety accidents in the hoisting process, safety is low, and practicality is poor. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a subway construction gantry crane, which solves the problems in the background art.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: a subway construction gantry crane, including mobile frame, the top of mobile frame is fixedly installed with support, the inside of support is opened with lifting groove, the inside of lifting groove is slidably connected with lifting frame, the top of lifting frame is fixedly installed with end beam, one side of mobile frame is fixedly installed with mounting frame, one side of mounting frame is fixedly installed with support frame, the top of support frame is fixedly installed with support seat, the top of support seat is fixedly installed with base, the top of base is fixedly installed with electric telescopic rod, the protruding end of electric telescopic rod is fixedly installed with push seat, the top of push seat is fixedly installed with connecting seat, the top of connecting seat is fixedly installed on the bottom side of end beam, one side of support is fixedly installed with fixed frame, the inside of fixed frame is opened with sliding groove, the inside of sliding groove is slidably connected with sliding seat, the top of sliding seat is fixedly installed with sliding frame.

[0006] Optionally, one side of the sliding frame is fixedly installed with a limiting column, and one side of the lifting frame is opened with a limiting hole.

[0007] Optionally, one end of the limiting column is inserted into the inside of the limiting hole, and the bottom of the fixing frame is fixedly provided with a fixing seat.

[0008] Optionally, the inside of the fixing seat is rotatably connected with a lead screw, and the outside of the lead screw is drivingly connected with a moving seat.

[0009] Optionally, the top of the moving seat is fixedly provided on the bottom of a sliding seat, and one side of the fixing seat is fixedly provided with a motor seat.

[0010] Optionally, the motor seat is fixedly provided with a servo motor on one side, and the output end of the servo motor is fixedly provided on one end of the lead screw.

[0011] The utility model provides a subway construction portal crane has the following beneficial effects:

[0012] 1, this subway construction portal crane, through the setting of electric telescopic handle, make this subway construction portal crane have the effect that the hoisting height is adjusted conveniently, prevent causing a part of pipe material cannot hoist, through the cooperation setting of support, lifting groove, lifting frame, end beam, mounting bracket, support frame, support seat, base, electric telescopic handle, push seat and connecting seat, when needing to adjust the height in the process of using, open electric telescopic handle, and the extension end of electric telescopic handle will drive push seat movement, and push seat will drive connecting seat movement, and connecting seat will drive end beam movement, and end beam will drive lifting frame movement, make lifting frame slide in the inside of lifting groove, and then make end beam adjust to the appropriate position, thereby play the role of good adjustment effect, reach the purpose that uses more conveniently.

[0013] 2, this subway construction portal crane, through the setting of limiting column, make this subway construction portal crane have the effect that the limiting is convenient to it, prevent causing the safety accident in hoisting process, through the cooperation setting of sliding groove, sliding seat, sliding frame, limiting column, limiting hole, fixing seat, lead screw, moving seat, motor seat and servo motor, when needing to limit in the process of using, start servo motor, and the output end of servo motor will drive lead screw rotation, make lead screw rotate in the inside of fixing seat, and lead screw will drive moving seat movement, and moving seat will drive sliding seat movement, make sliding seat slide in the inside of sliding groove, and sliding seat will drive sliding frame movement, and sliding frame will drive limiting column movement, make one end of limiting column insert into the inside of limiting hole, and then limit lifting frame, thereby play the role of higher safety, reach the purpose that practicality is stronger. ACCURACY

[0014] Figure 1 It is the structure schematic diagram of the utility model three-dimensional;

[0015] Figure 2 It is the structure schematic diagram of the utility model section.

[0016] Figure 3 For the utility model Figure 2 The structure schematic view of A place in the middle is enlarged;

[0017] Figure 4 For the utility model Figure 1 The structure schematic view of B place in the middle is enlarged;

[0018] Figure 5 For the utility model Figure 1 The structure schematic view of C place in the middle is enlarged;

[0019] Figure 6 For the utility model Figure 1 The structure schematic view of D place in the middle is enlarged.

[0020] In the drawing: 1, mobile frame;2, support;3, lifting groove;4, lifting frame;5, end beam;6, mounting frame;7, support frame;8, support seat;9, base;10, electric telescopic rod;11, push seat;12, connecting seat;13, fixed frame;14, sliding groove;15, sliding seat;16, sliding frame;17, limit column;18, limit hole;19, fixed seat;20, lead screw;21, moving seat;22, motor seat;23, servo motor. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Embodiment 1

[0022] Please refer to Figures 1 to 5 The utility model provides technical scheme: a subway construction portal crane, including mobile frame 1, the top fixed mounting of mobile frame 1 has support 2, the inside of support 2 is set up lifting groove 3, lifting groove 3 is connected with lifting frame 4 in the inside sliding, the top fixed mounting of lifting frame 4 has end beam 5, the side fixed mounting of mobile frame 1 has mounting frame 6, the side fixed mounting of mounting frame 6 has support frame 7, the top fixed mounting of support frame 7 has support seat 8, the top fixed mounting of support seat 8 has base 9, the top fixed mounting of base 9 has electric telescopic rod 10, the fixed mounting of the extension end of electric telescopic rod 10 has push seat 11, the top fixed mounting of push seat 11 has connecting seat 12, the top fixed mounting of connecting seat 12 is in the bottom side of end beam 5.

[0023] When the height needs to be adjusted, the electric telescopic rod 10 is opened, the extending end of the electric telescopic rod 10 drives the pushing seat 11 to move, the pushing seat 11 drives the connecting seat 12 to move, the connecting seat 12 drives the end beam 5 to move, the end beam 5 drives the lifting frame 4 to move, the lifting frame 4 slides in the lifting groove 3, and then the end beam 5 is adjusted to the appropriate position, so that the adjustment effect is good, and the use is convenient. Example 2

[0024] Please refer to Figures 1 to 3 and Figure 5 The utility model provides technical scheme: a subway construction portal crane, including mobile frame 1, the top fixed mounting of mobile frame 1 has support 2, and the inside of support 2 is set up lifting groove 3, and lifting groove 3 is slidably connected with lifting frame 4, and the top fixed mounting of lifting frame 4 has end beam 5, and the one side fixed mounting of mobile frame 1 has mounting frame 6, and the one side fixed mounting of mounting frame 6 has support frame 7, and the top fixed mounting of support frame 7 has support seat 8, and the top fixed mounting of support seat 8 has base 9, and the top fixed mounting of base 9 has electric telescopic rod 10, and the extending end fixed mounting of electric telescopic rod 10 has pushing seat 11, and the top fixed mounting of pushing seat 11 has connecting seat 12, and the top fixed mounting of connecting seat 12 is in the bottom one side of end beam 5, and the one side fixed mounting of support 2 has fixed frame 13, and the inside of fixed frame 13 is set up sliding slot 14, and sliding slot 14 is slidably connected with sliding seat 15, and the top fixed mounting of sliding seat 15 has sliding frame 16, and the one side fixed mounting of sliding frame 16 has limit post 17, and the one side of lifting frame 4 is set up limit hole 18, and one end of limit post 17 is inserted in the inside of limit hole 18, and the bottom fixed mounting of fixed frame 13 has fixed seat 19, and the inside rotationally connected of fixed seat 19 has lead screw 20, and the outside transmission of lead screw 20 is connected with mobile seat 21, and the top fixed mounting of mobile seat 21 is in the bottom of sliding seat 15, and the one side fixed mounting of fixed seat 19 has motor seat 22, and the one side fixed mounting of motor seat 22 has servo motor 23, and the output of servo motor 23 is fixedly installed in one end of lead screw 20.

[0025] When the limit needs to be started, the servo motor 23 is started, the output end of the servo motor 23 drives the lead screw 20 to rotate, the lead screw 20 rotates in the inside of the fixed seat 19, the lead screw 20 drives the mobile seat 21 to move, the mobile seat 21 drives the sliding seat 15 to move, the sliding seat 15 slides in the inside of the sliding slot 14, the sliding seat 15 drives the sliding frame 16 to move, the sliding frame 16 drives the limit post 17 to move, one end of the limit post 17 is inserted into the inside of the limit hole 18, and then the lifting frame 4 is limited, so that the safety is high, and the practicality is strong.

[0026] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A portal crane for underground construction, comprising a mobile frame (1), characterized in that: The top of the mobile frame (1) is fixedly installed with a support (2), the inside of the support (2) is provided with a lifting groove (3), the inside of the lifting groove (3) is slidably connected with a lifting frame (4), the top of the lifting frame (4) is fixedly installed with an end beam (5), one side of the mobile frame (1) is fixedly installed with a mounting frame (6), one side of the mounting frame (6) is fixedly installed with a support frame (7), the top of the support frame (7) is fixedly installed with a support seat (8), the top of the support seat (8) is fixedly installed with a base (9), the top of the base (9) is fixedly installed with an electric telescopic rod (10), the extending end of the electric telescopic rod (10) is fixedly installed with a pushing seat (11), the top of the pushing seat (11) is fixedly installed with a connecting seat (12), the top of the connecting seat (12) is fixedly installed on the bottom side of the end beam (5), one side of the support (2) is fixedly installed with a fixed frame (13), the inside of the fixed frame (13) is provided with a sliding groove (14), the inside of the sliding groove (14) is slidably connected with a sliding seat (15), the top of the sliding seat (15) is fixedly installed with a sliding frame (16).

2. A portal crane for use in subway construction according to claim 1, characterized in that One side of the sliding frame (16) is fixedly installed with a limiting column (17), one side of the lifting frame (4) is provided with a limiting hole (18).

3. A portal crane for use in subway construction according to claim 2, characterized in that: One end of the limiting column (17) is inserted into the inside of the limiting hole (18), the bottom of the fixed frame (13) is fixedly installed with a fixed seat (19).

4. A portal jib crane for use in subway construction according to claim 3, characterized in that: The inside of the fixed seat (19) is rotatably connected with a lead screw (20), the outside of the lead screw (20) is drivingly connected with a moving seat (21).

5. A portal jib crane for use in subway construction according to claim 4, characterized in that: The top of the moving seat (21) is fixedly installed on the bottom of the sliding seat (15), one side of the fixed seat (19) is fixedly installed with a motor seat (22).

6. A portal jib crane for use in subway construction according to claim 5, characterized in that: One side of the motor seat (22) is fixedly installed with a servo motor (23), the output end of the servo motor (23) is fixedly installed on one end of the lead screw (20).

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