Portal frame of portal crane

Abstract

The utility model relates to the technical field of crane portal frames, in particular to a portal crane portal frame which comprises a first frame, a second frame and a rope fixing hole, lifting assemblies are arranged on the top of the inner side of the first frame and the top of the inner side of the second frame, and each lifting assembly comprises a concave fixing frame, a motor, a winding roller and a steel wire rope. The motor and the winding roller are fixed through the concave fixing frame, the winding roller can be conveniently and fixedly installed on the inner wall of the first frame and the inner wall of the second frame through the concave fixing frame, and when a hoisting mechanism installed on I-shaped steel breaks down in the later period and needs to be overhauled and maintained, the winding roller can be driven by the motor to rotate to release a steel wire rope wound around the winding roller; and the fixing block connected with the other end of the steel wire rope supports the I-shaped steel to descend between the first frame and the second frame to the height required by a worker, so that the worker can conveniently carry out maintenance and other operations on a hoisting mechanism on the I-shaped steel, and the later maintenance convenience is improved.

Description

TECHNICAL FIELD

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

[0002] The portal crane generally refers to the gantry crane, and the gantry crane is a deformation of the bridge crane, and is mainly used for the loading and unloading operation of the cargo yard and the stock yard in the port, and the metal structure thereof is like a door frame, two support legs are installed below the main beam, can directly walk on the track on the ground, and the main beam can have an outer extending cantilever beam at both ends, and the gantry is the main supporting auxiliary structure of the crane.

[0003] At present, personnel climb to a high place to carry out relevant operations when the gantry is maintained and the like, however, the maintenance mode has the hidden danger problem, and the operation is not convenient and safe enough, therefore, the utility model provides a portal crane gantry to facilitate lifting operation of the steel member of the supporting hoisting mechanism, thereby improving the maintenance convenience. SUMMARY

[0004] In view of the problems in the prior art, the utility model provides a portal crane gantry to facilitate lifting operation of the steel member of the supporting hoisting mechanism, thereby improving the maintenance convenience.

[0005] The utility model solves the technical problems and adopts the technical scheme of a portal crane gantry, which comprises a first frame, a second frame and a fixed rope hole, the inner side top of the first frame and the second frame is provided with a lifting assembly, the lifting assembly comprises a concave fixing frame, a motor, a winding roller and a steel wire rope, the concave fixing frame is fixed on the inner wall of the first frame and the second frame through bolts, and an I-steel is arranged at the bottom of the lifting assembly between the first frame and the second frame.

[0006] The inner wall of the first frame and the second frame is provided with a sliding rail at the position of the I-steel, and the I-steel is provided with a fixed block at the position of the winding roller on both sides of the top.

[0007] Through the above technical scheme, the I-steel is used to facilitate the installation and fixation of the hoisting mechanism to cooperate with the hoisting work, and the first frame and the second frame are moved and transported according to the work requirements through the brakeable roller.

[0008] The motor and the winding roller are fixed by the concave fixing frame, and the concave fixing frame is used to facilitate installation and fixation on the inner walls of the first frame and the second frame. When the hoisting mechanism on the I-beam fails and needs to be maintained, the winding roller can be driven by the motor to rotate and release the steel wire rope wound on the periphery of the winding roller, so that the fixed block connected to the other end of the steel wire rope supports the I-beam to descend between the first frame and the second frame to the height required by the personnel, facilitating the personnel to maintain the hoisting mechanism on the I-beam and other operations, thereby improving the convenience of later maintenance.

[0009] Meanwhile, when the lifting assembly lifts the I-beam, the I-beam can stably ascend and descend by cooperating with the sliding rails fixed on the inner walls of the first frame and the second frame, thereby further improving the lifting stability of the I-beam.

[0010] Specifically, the first frame and the second frame are both provided with brakeable rollers at the bottom.

[0011] By adopting the above technical solution, the brakeable rollers are used to cooperate with the first frame and the second frame to move when the gantry needs to be transported.

[0012] Specifically, the motor is installed on one side of the concave fixing frame through bolts, the winding roller is connected to the inner wall of the concave fixing frame through a rotating shaft, and the motor drive shaft is connected to the rotating shaft of the winding roller.

[0013] By adopting the above technical solution, the motor and the winding roller are fixed by the concave fixing frame, and the concave fixing frame is used to facilitate installation and fixation on the inner walls of the first frame and the second frame. When the hoisting mechanism on the I-beam fails and needs to be maintained, the winding roller can be driven by the motor to rotate and release the steel wire rope wound on the periphery of the winding roller, so that the fixed block connected to the other end of the steel wire rope supports the I-beam to descend between the first frame and the second frame to the height required by the personnel, facilitating the personnel to maintain the hoisting mechanism on the I-beam and other operations, thereby improving the convenience of later maintenance.

[0014] Specifically, the I-beam is connected to the sliding rails through the sliding blocks on both sides.

[0015] By adopting the above technical solution, when the lifting assembly lifts the I-beam, the I-beam can stably ascend and descend by cooperating with the sliding rails fixed on the inner walls of the first frame and the second frame, thereby further improving the lifting stability of the I-beam.

[0016] Specifically, the surface of the fixed block is provided with a rope fixing hole at the top.

[0017] By adopting the above technical solution, the fixed block is used to facilitate fixation on both sides of the top of the I-beam, and the rope fixing hole on the surface of the fixed block is used to facilitate connection of one end of the steel wire rope.

[0018] Specific, the steel wire rope one end is connected to the winding roller, the steel wire rope the other end is connected to the fixed block through the fixed rope hole.

[0019] By adopting the technical scheme, the winding roller is used to facilitate winding or releasing the steel wire rope.

[0020] The utility model discloses a beneficial effect:

[0021] The utility model discloses a portal crane gantry utilizes concave fixed frame to fix motor and winding roller respectively, and through concave fixed frame to facilitate installation fixed in the inner wall of first frame and second frame, when the hoisting mechanism on the I -beam needs maintenance when the later period fault, can through motor drive winding roller rotation and release the steel wire rope that winds in its periphery, makes the fixed block of the other end connection of steel wire rope supports I -beam and falls to the height of personnel between first frame and second frame, to facilitate personnel to hoisting mechanism on I -beam maintenance operation etc.

[0022] The utility model discloses a portal crane gantry, simultaneously, when lifting assembly governs I -beam lifting, through the slide rail of fixed in the inner wall of first frame and second frame cooperation I -beam can smoothly lift and slide, to further improve the lifting stability of I -beam. ACCURATE DRAWINGS

[0023] The utility model is further illustrated below in connection with the drawings and examples.

[0024] Figure 1 It is the whole schematic diagram of the utility model;

[0025] Figure 2 It is the second frame inner side schematic diagram of the utility model;

[0026] Figure 3 It is the winding roller schematic diagram of the utility model;

[0027] In the drawing: 1, first frame;2, second frame;3, lifting assembly;301, concave fixed frame;302, motor;303, winding roller;304, steel wire rope;4, I -beam;5, slide rail;6, fixed block;7, fixed rope hole;8, brakeable roller. PREFERRED EMBODIMENT

[0028] In order to make the technical means, creative characteristics, achieve the purpose and effect of the utility model easy to understand, the utility model is further described below in connection with specific embodiments.

[0029] In order to facilitate the lifting operation of the steel member of supporting hoisting mechanism, thereby improving the later maintenance convenience, such as Figures 1-3As shown, a gantry crane gantry described in the utility model includes a first frame 1, a second frame 2 and a rope fixing hole 7. The first frame 1 and the second frame 2 are both provided with a lifting assembly 3 on the top of the inner side. The lifting assembly 3 includes a concave fixing frame 301, a motor 302, a winding roller 303 and a wire rope 304. The concave fixing frame 301 is fixed to the inner wall of the first frame 1 and the second frame 2 by bolts. An I-beam 4 is provided between the first frame 1 and the second frame 2 corresponding to the bottom of the lifting assembly 3.

[0030] Slide rails 5 are provided on the inner walls of the first frame 1 and the second frame 2 at positions corresponding to the I-beam 4 , and fixing blocks 6 are provided on both sides of the top of the I-beam 4 at positions corresponding to the winding roller 303 .

[0031] When in use, the I-beam 4 is used to facilitate the installation and fixing of the lifting mechanism to cooperate with the lifting work, and the brakeable rollers 8 are used to cooperate with the first frame 1 and the second frame 2 to perform operations such as movement and transportation according to work requirements;

[0032] The motor 302 and the winding roller 303 are fixed respectively by the concave fixing frame 301, and the concave fixing frame 301 is used to facilitate installation and fixation on the inner wall of the first frame 1 and the second frame 2. When the lifting mechanism installed on the I-beam 4 fails in the later stage and needs to be repaired and maintained, the winding roller 303 can be driven by the motor 302 to rotate and release the steel wire rope 304 wrapped around its periphery, so that the fixing block 6 connected to the other end of the steel wire rope 304 supports the I-beam 4 and then descends to the height required by personnel between the first frame 1 and the second frame 2, so that personnel can perform operations such as repairing the lifting mechanism on the I-beam 4, thereby improving the convenience of later maintenance;

[0033] At the same time, when the lifting assembly 3 controls the lifting of the I-beam 4, the slide rail 5 fixed to the inner wall of the first frame 1 and the second frame 2 cooperates with the I-beam 4 to smoothly lift and slide, thereby further improving the lifting stability of the I-beam 4.

[0034] In order to improve the convenience of later maintenance, for example, Figure 1 、 Figure 2 As shown, the present invention also includes that brakeable rollers 8 are provided at the bottom of the first frame 1 and the second frame 2 .

[0035] When in use, the brakeable rollers 8 are used to cooperate with the first frame 1 and the second frame 2 to move when the gantry needs to be transported or other operations.

[0036] For example, Figure 1 、 Figure 3As shown in the utility model still include, the motor 302 all are installed in the concave fixing frame 301 one side through bolt, the winding roller 303 all are connected in the concave fixing frame 301 inner wall through the pivot, the motor 302 drive shaft all are connected with winding roller 303 rotation axis.

[0037] In use, utilize concave fixing frame 301 respectively fixed motor 302 and winding roller 303, and through concave fixing frame 301 to facilitate installation fixed in first frame 1 and second frame 2 inner wall, and can pass through motor 302 drive winding roller 303 rotation release winding on its periphery steel wire rope 304, so that the other end of steel wire rope 304 connects fixed block 6 support I-beam 4 between first frame 1 and second frame 2 with the lowering to the height required by personnel, to facilitate personnel to the hoisting mechanism on I-beam 4 carries out overhaul etc.

[0038] Exemplary, as Figure 1 , Figure 2 The utility model still include, I-beam 4 passes through both sides sliding block and slide rail 5 sliding connection.

[0039] In use, when lifting assembly 3 dominates I-beam 4 lifting, through the slide rail 5 cooperation I-beam 4 that fixed in first frame 1 and second frame 2 inner wall can smoothly lift and slip, to further promote the lifting stability of I-beam 4.

[0040] Exemplary, as Figure 1 The utility model still include, the fixed block 6 surface top all are equipped with fixed rope hole 7.

[0041] In use, utilize fixed block 6 to facilitate fixed in I-beam 4 top both sides, and through the fixed rope hole 7 on the surface of fixed block 6 to facilitate the one end of steel wire rope 304 connection fixed.

[0042] Exemplary, as Figure 1 , Figure 3 The utility model still include, the one end of steel wire rope 304 all are connected in winding roller 303, and the other end of steel wire rope 304 all are connected in fixed block 6 through fixed rope hole 7.

[0043] In use, utilize winding roller 303 to facilitate winding or release steel wire rope 304.

[0044] The utility model in use, utilize I-beam 4 to facilitate installation fixed hoisting mechanism to cooperate hoisting work, and through the brake roller 8 cooperation first frame 1 and second frame 2 according to the operation demand and move transport etc.

[0045] The motor 302 and the winding roller 303 are respectively fixed by the concave fixing frame 301, and are fixed in the inner walls of the first frame 1 and the second frame 2 through the concave fixing frame 301, when the hoisting mechanism on the I-shaped steel 4 fails and needs to be maintained, the steel wire rope 304 wound on the winding roller 303 can be released by driving the winding roller 303 to rotate through the motor 302, so that the fixed block 6 connected with the other end of the steel wire rope 304 supports the I-shaped steel 4 to be lowered between the first frame 1 and the second frame 2 to the height required by the personnel, so that the personnel can operate the maintenance of the hoisting mechanism on the I-shaped steel 4, thereby improving the convenience of the later maintenance;

[0046] Meanwhile, when the lifting assembly 3 lifts the I-shaped steel 4, the I-shaped steel 4 can be smoothly lifted and slid by the sliding rail 5 fixed in the inner walls of the first frame 1 and the second frame 2, thereby further improving the lifting stability of the I-shaped steel 4.

[0047] The basic principle, main features and advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A gantry crane gantry, characterized in that: The invention comprises a first frame (1), a second frame (2) and a rope fixing hole (7); a lifting assembly (3) is provided on the top of the inner side of each of the first frame (1) and the second frame (2); the lifting assembly (3) comprises a concave fixing frame (301), a motor (302), a winding roller (303) and a steel wire rope (304); the concave fixing frame (301) is fixed to the inner wall of each of the first frame (1) and the second frame (2) by bolts; an I-beam (4) is provided at the bottom of the lifting assembly (3) between the first frame (1) and the second frame (2); Slide rails (5) are provided on the inner walls of the first frame (1) and the second frame (2) at positions corresponding to the I-beam (4), and fixed blocks (6) are provided on both sides of the top of the I-beam (4) at positions corresponding to the winding rollers (303).

2. A gantry crane gantry according to claim 1, characterized in that: Brakeable rollers (8) are provided at the bottom of both the first frame (1) and the second frame (2).

3. The gantry crane gantry according to claim 1, characterized in that: The motors (302) are all mounted on one side of the concave fixing frame (301) via bolts, the winding rollers (303) are all connected to the inner wall of the concave fixing frame (301) via a rotating shaft, and the driving shafts of the motors (302) are all connected to the rotating shafts of the winding rollers (303).

4. The gantry crane gantry according to claim 1, characterized in that: The I-beam (4) is slidably connected to the slide rail (5) via sliders on both sides.

5. The gantry crane gantry according to claim 1, characterized in that: The top of the surface of the fixing block (6) is provided with a rope fixing hole (7).

6. The gantry crane gantry according to claim 1, characterized in that: One end of the steel wire rope (304) is connected to the winding roller (303), and the other end of the steel wire rope (304) passes through the rope fixing hole (7) and is connected to the fixing block (6).

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