CN213387510U

CN213387510U - Liftable trackless portal crane

Info

Publication number: CN213387510U
Application number: CN202021741615.7U
Authority: CN
Inventors: 李娜娜
Original assignee: Anhui Huiqiang Intelligent Technology Co Ltd
Current assignee: Anhui Huiqiang Intelligent Technology Co Ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-06-08
Anticipated expiration: 2030-08-20

Abstract

The utility model discloses a liftable trackless gantry crane, which comprises a cross beam, the lower extreme front portion and the equal fixedly connected with jacking plate in lower extreme rear portion of crossbeam, the traveller is just led to jacking plate's lower extreme middle part fixedly connected with, the surface upper portion of leading the traveller alternates swing joint and has the backup pad, the traveller is just led to the lower extreme middle part fixedly connected with of backup pad, the lower part of leading the traveller alternates swing joint in leading the traveller, lead the lower extreme fixedly connected with connecting plate of just traveller, the upper end left part and the equal fixedly connected with hydraulic push rod in upper end right part of connecting plate, two hydraulic push rod's output runs through the backup pad and with the lower extreme fixed connection of jacking plate. A trackless gantry crane of liftable, can increase the use height of crossbeam to can improve gantry crane's hoisting efficiency, can improve the stability after the crossbeam is raised, fixed convenient operation, safety of crossbeam height.

Description

Liftable trackless portal crane

Technical Field

The utility model relates to a gantry crane equipment technical field, in particular to liftable trackless gantry crane.

Background

The gantry crane is a variant of a bridge crane and is also called a gantry crane. The device is mainly used for loading and unloading outdoor goods yards, stockyards and bulk goods. Is an essential tool in production and processing.

The existing portal crane is usually moved through a rail, so that one type of the portal crane suffers from great limitation, the working efficiency of the portal crane is also reduced, the height of the portal crane is fixed, the portal crane can only lift an object with a certain height when lifting operation is carried out, the lifting height of the object is limited by the height of the portal crane, and the lifting efficiency of the portal crane is seriously reduced. Therefore, a liftable trackless portal crane is provided.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide a liftable trackless portal crane can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a liftable trackless portal crane comprises a cross beam, the middle part of the lower end of the cross beam is fixedly connected with a slide rail, the sliding rail is connected with an electric hoist in a sliding way, the front part of the lower end and the rear part of the lower end of the cross beam are both fixedly connected with a jacking plate, the middle part of the lower end of the jacking plate is fixedly connected with a guiding sliding column, the upper part of the outer surface of the guiding sliding column is movably connected with a supporting plate in an inserting way, the middle part of the lower end of the supporting plate is fixedly connected with a guide sliding barrel, the lower part of the guide sliding column is inserted and movably connected in the guide sliding barrel, the lower end of the guide sliding cylinder is fixedly connected with a connecting plate, the left part and the right part of the upper end of the connecting plate are fixedly connected with hydraulic push rods, the output ends of the two hydraulic push rods penetrate through the supporting plate and are fixedly connected with the lower end of the jacking plate, the lower end of the connecting plate is fixedly connected with a movable plate, and the lower end of the movable plate is fixedly connected with a universal wheel.

Preferably, the front end and the rear end of the cross beam are fixedly connected with illuminating lamps, and an installation frame is fixedly connected between the cross beam and the jacking plate.

Preferably, the middle part of the upper end of the supporting plate is provided with a first sliding groove, the left part of the upper end and the right part of the upper end of the supporting plate are both provided with threaded holes, a piston hole is arranged between the threaded hole and the first sliding groove, and the output end of the hydraulic push rod penetrates through the piston hole to be fixedly connected with the lower end of the jacking plate.

Preferably, the threaded hole is internally threaded with a fixed-height screw rod, and the upper end of the fixed-height screw rod is movably connected with the lower end of the jacking plate.

Preferably, a second sliding groove is formed in the guide sliding barrel, and the guide sliding column is movably connected in the first sliding groove and the second sliding groove.

Preferably, a supporting column is fixedly connected between the lower end of the supporting plate and the upper end of the moving plate, and the supporting column is arranged on the outer side of the fixed-height screw rod.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses in, through setting up hydraulic push rod and jacking board, when the use height of crossbeam is adjusted to needs, start hydraulic push rod and promote the jacking board and shift up, make the crossbeam raise to can increase the use height of crossbeam, thereby can improve gantry crane's hoisting efficiency.

2. The utility model discloses in, lead positive traveller and lead positive slide through the setting, at the in-process that the jacking board was by the hydraulic pressure push rod jacking, lead positive traveller and can shift up in leading in step in the slide to guarantee the stability of crossbeam at the in-process that shifts up, improve the lateral stability after the crossbeam is raised, improve the safety in utilization.

3. The utility model discloses in, through threaded connection fixed height screw rod in the backup pad, after the jacking board is jacked to the use height by hydraulic push rod, rotate fixed height screw rod, make the upper end of fixed height screw rod withstand the jacking board, fix the jacking board at this height to fix the crossbeam at this height, and the fixed convenient operation, the safety of crossbeam height are decided high to the setting of high screw rod between backup pad, movable plate and support column.

Drawings

Fig. 1 is a schematic view of the overall structure of a liftable trackless portal crane of the present invention;

fig. 2 is a schematic view of the overall structure of a guiding sliding column of a liftable trackless portal crane of the present invention;

fig. 3 is a schematic view of the whole structure of a supporting plate of a liftable trackless portal crane of the present invention;

fig. 4 is the overall structure schematic diagram of the guiding sliding barrel of the liftable trackless portal crane of the present invention.

In the figure: 1. a cross beam; 2. a slide rail; 3. an electric hoist; 4. an illuminating lamp; 5. a jacking plate; 6. a guide sliding column; 7. a support plate; 8. a guide sliding cylinder; 9. a connecting plate; 10. a hydraulic push rod; 11. moving the plate; 12. a universal wheel; 13. a fixed-height screw rod; 14. a mounting frame; 15. a support pillar; 71. a first chute; 72. a piston bore; 73. a threaded hole; 81. and a second sliding chute.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a liftable trackless portal crane comprises a beam 1, a slide rail 2 is fixedly connected to the middle of the lower end of the beam 1, an electric hoist 3 is slidably connected to the slide rail 2, a lifting plate 5 is fixedly connected to both the front portion of the lower end and the rear portion of the lower end of the beam 1, a guiding slide column 6 is fixedly connected to the middle of the lower end of the lifting plate 5, a support plate 7 is movably inserted into the upper portion of the outer surface of the guiding slide column 6, a guiding slide cylinder 8 is fixedly connected to the middle of the lower end of the support plate 7, the lower portion of the guiding slide column 6 is movably inserted into the guiding slide cylinder 8, a connecting plate 9 is fixedly connected to the lower end of the guiding slide cylinder 8, hydraulic push rods 10 are fixedly connected to both the left portion and the right portion of the upper end of the connecting plate 9, the output ends of the two hydraulic push rods 10 penetrate through the support plate 7, the lower end of the moving plate 11 is fixedly connected with a universal wheel 12.

The equal fixedly connected with light 4 in front end and the rear end of crossbeam 1 can improve the security of operation night, and fixedly connected with mounting bracket 14 between crossbeam 1 and the jacking board 5 can improve the fastness of being connected between crossbeam 1 and the jacking board 5.

Sliding groove 71 is seted up No. one in the middle part of the upper end of backup pad 7, and threaded hole 73 has all been seted up to the upper end left part and the upper end right part of backup pad 7, is equipped with piston hole 72 between threaded hole 73 and sliding groove 71, and hydraulic push rod 10's output passes piston hole 72 and the lower extreme fixed connection of jacking board 5, can improve hydraulic push rod 10's output stability, prevents that hydraulic push rod 10's piston from taking place the skew.

Threaded hole 73 female connection has height-fixing screw 13, and height-fixing screw 13's upper end and the lower extreme swing joint of jacking board 5 can play the effect of supporting jacking board 5, make jacking board 5 fix the high position after the regulation.

No. two chutes 81 are formed in the guide sliding barrel 8, and the guide sliding column 6 is movably connected in the first chute 71 and the second chute 81, so that the lateral stability of the beam 1 after jacking can be improved, and the use safety is improved.

Fixedly connected with support column 15 between the lower extreme of backup pad 7 and the upper end of movable plate 11, effect support column 15 that can play support backup pad 7 sets up in the outside of deciding high screw 13, makes and decides high screw 13 and sets up between backup pad 7, movable plate 11 and support column 15, has improved the operation security when operating deciding high screw 13.

It should be noted that, the utility model relates to a liftable trackless portal crane, when the height of crossbeam 1 is raised to needs, start hydraulic push rod 10, make hydraulic push rod 10's piston shift up in piston hole 72, thereby promote jacking board 5 to move up, and then will fix crossbeam 1 on jacking board 5 and raise, at the in-process that jacking board 5 moved up, it shifts up in leading slide cartridge 8 to lead positive traveller 6 in step, make jacking board 5 keep being parallel with backup pad 7 at the in-process that moves up, thereby make crossbeam 1 move up in-process and keep stable, after crossbeam 1 is jacked to the use height, the operator stands on movable plate 11, then twist the hand wheel of connection at fixed height screw 13 lower extreme, make fixed height screw 13 at screw hole 73 spiral shifts up, make fixed height screw 13. The upper end of the lifting plate 5 is propped against the lower end of the lifting plate 5, so that the lifting plate 5 is fixed at the height position after adjustment, and the height adjustment of the beam 1 is completed; since the set-height screw 13 is provided between the support plate 7, the moving plate 11, and the support column 15, the operational safety when operating the set-height screw 13 is high.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a trackless portal crane of liftable, includes crossbeam (1), its characterized in that: the middle part of the lower end of the cross beam (1) is fixedly connected with a slide rail (2), the slide rail (2) is connected with an electric hoist (3) in a sliding manner, the front part and the rear part of the lower end of the cross beam (1) are fixedly connected with a jacking plate (5), the middle part of the lower end of the jacking plate (5) is fixedly connected with a guide sliding column (6), the upper part of the outer surface of the guide sliding column (6) is penetrated and movably connected with a support plate (7), the middle part of the lower end of the support plate (7) is fixedly connected with a guide sliding barrel (8), the lower part of the guide sliding column (6) is penetrated and movably connected in the guide sliding barrel (8), the lower end of the guide sliding barrel (8) is fixedly connected with a connecting plate (9), the left part and the right part of the upper end of the connecting plate (9) are fixedly connected with hydraulic push rods (10), and the output ends of the two hydraulic push rods (10) penetrate through the support plate (, the lower end of the connecting plate (9) is fixedly connected with a moving plate (11), and the lower end of the moving plate (11) is fixedly connected with a universal wheel (12).

2. A liftable trackless portal crane according to claim 1, wherein: the equal fixedly connected with light (4) in front end and the rear end of crossbeam (1), fixedly connected with mounting bracket (14) between crossbeam (1) and jacking board (5).

3. A liftable trackless portal crane according to claim 1, wherein: a sliding groove (71) is formed in the middle of the upper end of the supporting plate (7), threaded holes (73) are formed in the left portion of the upper end and the right portion of the upper end of the supporting plate (7), a piston hole (72) is formed between the threaded holes (73) and the sliding groove (71), and the output end of the hydraulic push rod (10) penetrates through the piston hole (72) and is fixedly connected with the lower end of the jacking plate (5).

4. A liftable trackless portal crane according to claim 3, wherein: the threaded hole (73) is internally threaded with a fixed-height screw (13), and the upper end of the fixed-height screw (13) is movably connected with the lower end of the jacking plate (5).

5. A liftable trackless portal crane according to claim 1, wherein: a second sliding groove (81) is formed in the guide sliding barrel (8), and the guide sliding column (6) is movably connected in the first sliding groove (71) and the second sliding groove (81).

6. A liftable trackless portal crane according to claim 1, wherein: fixedly connected with support column (15) between the lower extreme of backup pad (7) and the upper end of movable plate (11), support column (15) set up the outside at fixed height screw (13).