Gantry crane safety device and gantry crane

Abstract

The embodiment of the utility model relates to a gantry crane safety device. The gantry crane safety device comprises a base, two vertical telescopic rods, two telescopic inclined rods, a cross beam, two first connecting seats, two second connecting seats and two height fine tuning devices, the lower ends and the upper ends of the two vertical telescopic rods are fixedly connected with the base and the cross beam respectively; the two first connecting seats are respectively arranged at inner side included angles between the two vertical telescopic rods and the cross beam; the two second connecting seats are respectively arranged at the inner side included angles between the two vertical telescopic rods and the base; the two telescopic inclined rods are arranged in an X shape, and the two ends of each telescopic inclined rod are connected with the corresponding first connecting base and the corresponding second connecting base. And the two height fine tuning devices are fixed on the cross beam. The gantry crane safety device is adjustable in height, is suitable for gantry cranes with different heights, can effectively avoid accidental damage to the structure in the process of hoisting heavy objects by the gantry crane, and improves the safety coefficient. The embodiment of the utility model further relates to the gantry crane.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting equipment, in particular to a gantry crane safety device and a gantry crane. Background Art

[0002] Gantry crane, also known as gantry crane, is a heavy lifting equipment, widely used in construction sites, docks, warehouses and other places. With its efficient and flexible operation ability, it has become an indispensable and important equipment in modern logistics and industrial production. The stability and load-bearing capacity of its gantry structure are crucial to ensure the safety and efficiency of lifting operations.

[0003] As a complex mechanical equipment, gantry cranes need regular maintenance and care to extend their service life and avoid accidents. At present, apart from regular maintenance and care, there are no other measures to ensure the safety of their structures, especially for gantry cranes with a long service life and a rated lifting capacity greater than or equal to 3 tons. Utility Model Content

[0004] In view of the above problems, the present utility model is proposed to provide a gantry crane safety device and a gantry crane that overcome the above problems or at least partially solve the above problems.

[0005] In the first aspect, an embodiment of the utility model provides a gantry crane safety device. The gantry crane safety device includes a base, two vertical telescopic rods, two telescopic diagonal rods, a cross beam, two first connecting seats, two second connecting seats and two height fine-tuners; the lower ends and upper ends of the two vertical telescopic rods are respectively fixedly connected to the base and the cross beam; the two first connecting seats are respectively arranged at the inner angles of the two vertical telescopic rods and the cross beam, and the two first connecting seats are simultaneously fixedly connected to the corresponding vertical telescopic rods and the cross beam, and the two first connecting seats are both formed with a plurality of first mounting holes horizontally distributed in parallel to the direction of the cross beam; the two second connecting seats are respectively arranged at the inner angles of the two vertical telescopic rods and the base, and the two second connecting seats are simultaneously fixedly connected to the corresponding vertical telescopic rods, the bottom The two seats are fixedly connected, and the two second connecting seats are both formed with a second mounting hole; the two ends of the telescopic diagonal rods are both formed with a third mounting hole, and the two telescopic diagonal rods are arranged in an X shape, and the upper end of the telescopic diagonal rod is fixed to the first connecting seat by a first locking piece that is simultaneously inserted into the third mounting hole and the corresponding first mounting hole, and the lower end of the telescopic diagonal rod is fixed to the second connecting seat by a first locking piece that is simultaneously inserted into the third mounting hole and the corresponding second mounting hole; each of the vertical telescopic rods and the telescopic diagonal rod is provided with a second locking piece that locks its length; two height fine-adjusters are both fixed on the beam, and are respectively located directly above the corresponding vertical telescopic rods, and are used to support the upper beam of the gantry crane.

[0006] In one embodiment, each of the vertical telescopic rods is composed of a sleeve one and an inner tube one, the sleeve is sleeved in the inner tube one, and a plurality of positioning holes are formed in the sleeve one and the inner tube one, and the length of the vertical telescopic rod is locked by inserting a second locking piece into the corresponding positioning holes of the sleeve one and the corresponding positioning holes of the inner tube one at the same time.

[0007] In one embodiment, each of the telescopic oblique rods is composed of a sleeve two and an inner tube two, and the sleeve two is sleeved on the inner tube two. The sleeve two and the inner tube two will form a plurality of positioning holes, and the length of the telescopic oblique rod can be locked by simultaneously inserting a second locking piece into the corresponding positioning holes of the sleeve two and the corresponding positioning holes of the inner tube two.

[0008] In one embodiment, the height fine adjuster is a hydraulic jack.

[0009] In one embodiment, the gantry crane safety device also includes a plurality of temporary legs, which are arranged at an angle, with their lower ends able to rest against the ground and their upper ends connected to vertical telescopic rods, to prevent the gantry crane safety device from tipping over.

[0010] In one embodiment, the first connecting seat and the second connecting seat are both generally in the shape of a right-angled triangle.

[0011] In a second aspect, an embodiment of the utility model provides a gantry crane, wherein the gantry crane comprises a large door frame and the gantry crane safety device described in the first aspect, wherein the large door frame comprises two legs and an upper crossbeam.

[0012] The gantry crane safety device of the utility model embodiment has an adjustable height and is suitable for gantry cranes of different heights. The use of the gantry crane safety device can effectively avoid accidental structural damage during the process of lifting heavy objects by the gantry crane, thereby improving the safety factor. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The included drawings are used to provide a further understanding of the embodiments of the present application, which constitute a part of the specification, are used to illustrate the implementation methods of the present application, and together with the text description, explain the principles of the present application. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. In the drawings:

[0014] Figure 1 It is a structural schematic diagram of an exemplary embodiment of a gantry crane safety device of the utility model;

[0015] Figure 2 This is a structural diagram of the gantry crane safety device from another perspective;

[0016] Figure 3It is a structural schematic diagram of an exemplary embodiment of a gantry crane of the utility model.

[0017] Explanation of the reference numerals in the accompanying drawings: 1. Base; 2. Vertical telescopic rod; 3. Telescopic diagonal rod; 4. Crossbeam; 5. First connecting seat; 6. Second connecting seat; 7. Height fine-adjuster; 8. First mounting hole; 9. Second mounting hole; 10. Sleeve one; 11. Inner tube one; 12. Sleeve two; 13. Inner tube two; 14. Temporary support leg; 21. Upper crossbeam; 22. Support leg; 23. Gantry crane safety device. DETAILED DESCRIPTION

[0018] The embodiments of the utility model are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the utility model, but cannot be understood as limiting the utility model. Ordinary technicians in this field can make various changes, modifications, substitutions and variations to these embodiments without departing from the principles and purpose of the utility model. The scope of the utility model is defined by the claims and their equivalents.

[0019] The terms "center", "longitudinal", "lateral", "length", "up", "down", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like mentioned or may be mentioned in the description of the present invention indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.

[0020] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In addition, the terms "include", "comprises" and any variations thereof are intended to cover non-exclusive inclusions.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] A gantry crane safety device according to an embodiment of the utility model is described below with reference to the accompanying drawings.

[0023] See also Figure 1 and Figure 2 According to a gantry crane safety device of an embodiment of the utility model, it includes a base 1, two vertical telescopic rods 2, two telescopic diagonal rods 3, a cross beam 4, two first connecting seats 5, two second connecting seats 6 and two height fine-tuners 7. The lower end and the upper end of the two vertical telescopic rods 2 are respectively fixedly connected to the base 1 and the cross beam 4 to form an overall rectangular frame. In one embodiment, the lower end and the upper end of the two vertical telescopic rods 2 are respectively welded and fixed to the base 1 and the cross beam 4, and a plurality of reinforcing plates that are simultaneously welded and fixed to the vertical telescopic rods 2 and the base 1, and / or, simultaneously welded and fixed to the vertical telescopic rods 2 and the cross beam 4 can be additionally provided.

[0024] The two first connection seats 5 are respectively arranged at the inner angles of the two vertical telescopic rods 2 and the cross beam 4, and the two first connection seats 5 are fixedly connected to the corresponding vertical telescopic rods 2 and the cross beam 4 at the same time. For example, the two first connection seats 5 are welded and fixed to the corresponding vertical telescopic rods 2 and the cross beam 4 at the same time. In one embodiment, the first connection seat 5 is a steel plate in the shape of a right-angled triangle plate.

[0025] The two second connection seats 6 are respectively arranged at the inner angles of the two vertical telescopic rods 2 and the base 1, and the two second connection seats 6 are both fixedly connected to the corresponding vertical telescopic rods 2 and the base 1 at the same time, for example, the two second connection seats 6 are both welded and fixed to the corresponding vertical telescopic rods 2 and the base 1 at the same time. In one embodiment, the second connection seat 6 is a steel plate in the shape of a right-angled triangle plate.

[0026] The two first connection seats 5 are formed with a plurality of first mounting holes 8 horizontally distributed in a direction parallel to the crossbeam 4, and the two second connection seats 6 are formed with a second mounting hole 9. The two ends of the two telescopic diagonal rods 3 are formed with third mounting holes, and the two telescopic diagonal rods 3 are arranged in an X shape. The upper end of the telescopic diagonal rod 3 is fixed to the first connection seat 5 by a first locking member simultaneously inserted into the third mounting hole and the corresponding first mounting hole 8, and the lower end of the telescopic diagonal rod 3 is fixed to the second connection seat 6 by a first locking member simultaneously inserted into the third mounting hole and the corresponding second mounting hole 9.

[0027] Specifically, according to the height of the upper crossbeam of the gantry crane to be strengthened, the vertical telescopic rod 2 is stretched or retracted to a corresponding length, and then the telescopic diagonal rod 3 is stretched or retracted to a corresponding length, and the telescopic diagonal rod 3 is swung, and the first locking member is inserted into the first mounting hole 8 that can overlap with the third mounting hole at the upper end of the telescopic diagonal rod 3, so as to fix the upper end of the telescopic diagonal rod 3 with the first mounting hole 8. The first locking member can be composed of a bolt and a nut.

[0028] Each of the vertical telescopic rods 2 and the telescopic diagonal rods 3 is provided with a second locking piece for locking the length thereof.

[0029] In one embodiment, each of the vertical telescopic rods 2 is composed of a sleeve 10 and an inner tube 11, wherein the sleeve 10 is sleeved on the inner tube 11, and the sleeve 10 and the inner tube 11 are formed with a plurality of positioning holes, and the length of the vertical telescopic rod 2 is locked by inserting a second locking member simultaneously into the corresponding positioning holes of the sleeve 10 and the corresponding positioning holes of the inner tube 11. The second locking member may be a locking pin.

[0030] In one embodiment, each of the telescopic diagonal rods 3 is composed of a second sleeve 12 and a second inner tube 13. The second sleeve 12 is sleeved on the second inner tube 13. The second sleeve 12 and the second inner tube 13 are formed with a plurality of positioning holes. The length of the telescopic diagonal rod 3 is locked by inserting a second locking member simultaneously into the corresponding positioning holes of the second sleeve 12 and the corresponding positioning holes of the second inner tube 13. The second locking member may be a locking pin.

[0031] The two height fine adjusters 7 are fixed on the cross beam 4 and are respectively located directly above the corresponding vertical telescopic rods 2, and are used to support the upper cross beam of the gantry crane. After locking the length of the vertical telescopic rod 2, the height fine adjuster 7 can be used to reduce the distance between the gantry crane safety device and the upper cross beam until the height fine adjuster 7 abuts against the lower surface of the upper cross beam. In one embodiment, the height fine adjuster 7 is a hydraulic jack.

[0032] In one embodiment, in order to prevent the gantry crane safety device from overturning, the gantry crane safety device also includes a plurality of temporary legs 14 , which are arranged obliquely, with their lower ends being able to rest against the ground and their upper ends being connected to the vertical telescopic rod 2 .

[0033] The gantry crane safety device of this embodiment is height-adjustable and is suitable for gantry cranes of different heights. The use of this gantry crane safety device can effectively avoid accidental structural damage during the process of lifting heavy objects by the gantry crane, thereby improving the safety factor.

[0034] See also Figure 3 According to an embodiment of the utility model, a gantry crane includes a large door frame and the gantry crane safety device 23 described in the above embodiment, and the large door frame includes two legs 22 and an upper crossbeam 21.

Claims

1. A gantry crane safety device, characterized in that: The utility model comprises a base, two vertical telescopic rods, two telescopic oblique rods, a cross beam, two first connecting seats, two second connecting seats and two height fine adjusters; the lower ends and upper ends of the two vertical telescopic rods are respectively fixedly connected to the base and the cross beam; the two first connecting seats are respectively arranged at the inner angles of the two vertical telescopic rods and the cross beam, and the two first connecting seats are simultaneously fixedly connected to the corresponding vertical telescopic rods and the cross beam, and the two first connecting seats are both formed with a plurality of first mounting holes horizontally distributed in parallel with the direction of the cross beam; the two second connecting seats are respectively arranged at the inner angles of the two vertical telescopic rods and the base, and the two second connecting seats are simultaneously fixedly connected to the corresponding vertical telescopic rods and the base The two second connecting seats are each formed with a second mounting hole; the two ends of the two telescopic diagonal rods are each formed with a third mounting hole, and the two telescopic diagonal rods are arranged in an X shape, and the upper end of the telescopic diagonal rod is fixed to the first connecting seat by a first locking piece which is simultaneously inserted into the third mounting hole and the corresponding first mounting hole, and the lower end of the telescopic diagonal rod is fixed to the second connecting seat by a first locking piece which is simultaneously inserted into the third mounting hole and the corresponding second mounting hole; each of the vertical telescopic rods and the telescopic diagonal rod is provided with a second locking piece which locks its length; the two height fine-adjusters are both fixed on the beam, and are respectively located directly above the corresponding vertical telescopic rods, and are used to support the upper beam of the gantry crane.

2. The gantry crane safety device according to claim 1, characterized in that: Each of the vertical telescopic rods is composed of a sleeve and an inner tube. The sleeve is connected to the inner tube. The sleeve and the inner tube are formed with a plurality of positioning holes. The length of the vertical telescopic rod is locked by inserting a second locking piece into the corresponding positioning holes of the sleeve and the corresponding positioning holes of the inner tube at the same time.

3. The gantry crane safety device according to claim 2, characterized in that: Each of the telescopic diagonal rods is composed of a sleeve two and an inner tube two. The sleeve two is sleeved on the inner tube two. The sleeve two and the inner tube two are formed with a plurality of positioning holes. The length of the telescopic diagonal rod is locked by simultaneously inserting a second locking piece into the corresponding positioning holes of the sleeve two and the corresponding positioning holes of the inner tube two.

4. The gantry crane safety device according to claim 3 is characterized in that: The height fine adjuster is a hydraulic jack.

5. The gantry crane safety device according to claim 4, characterized in that: It also includes a plurality of temporary legs, which are arranged obliquely, with the lower ends thereof being able to rest against the ground and the upper ends being connected to the vertical telescopic rods, so as to prevent the gantry crane safety device from overturning.

6. The gantry crane safety device according to claim 5, characterized in that: The first connecting seat and the second connecting seat are both generally in the shape of a right-angled triangle.

7. A gantry crane, characterized in that: It comprises a large portal frame and a gantry crane safety device as described in any one of claims 1 to 6, wherein the large portal frame comprises two legs and an upper crossbeam.

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