Anti-derailment structure of crane trolley

By designing built-in guide wheel tracks and T-shaped anti-detachment structures in crane trolleys, the installation and disassembly process of the device is simplified and the stability is enhanced, and the complex structure and pollution problems in the existing technology are solved, so that the rapid installation and development of the trolleys are achieved. Anti-derailment effect.

CN222293424UActive Publication Date: 2025-01-03HUAQI (GUANGDONG) HEAVY MASCH CO LTD
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Patent Information

Application Number
CN202421099700.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-20
Publication Date
2025-01-03
Estimated Expiration
2034-05-20

AI Technical Summary

Technical Problem

The existing crane trolley anti-derailment device has a complex structure, is troublesome to install and disassemble, and is susceptible to dust and impurities, which affects cleaning and maintenance.

Method used

The car walking beam is equipped with guide wheel tracks, anti-slip chute and T-shaped anti-slip lever structure. The anti-slip rod is matched with the arc-shaped anti-slip chute, and the double guide wheels are interspersed with the guide wheel track, supporting legs and anti-slip cover design , simplify the installation and disassembly process and protect the guide wheel track.

Benefits of technology

It realizes rapid installation and disassembly and improves the stability of the connection between the main body of the car and the walking beam to avoid derailment. The guide wheel track is built into the walking beam of the car to prevent external dust and rainwater pollution.

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Abstract

The utility model discloses a crane trolley anti-derailment structure which comprises a trolley walking beam, a guide wheel track is arranged in the trolley walking beam, an anti-derailment sliding groove is formed in the side, located above the guide wheel track, of the trolley walking beam, an anti-derailment rod is connected into the anti-derailment sliding groove in a sliding mode, and the anti-derailment rod is of a T-shaped structure. The trolley has the following advantages that the double guide wheels on the trolley body can be inserted into the guide wheel rails only by disassembling the anti-falling covers at the ends of the trolley walking beam, the anti-falling rods are inserted into the anti-falling sliding grooves, and then the trolley body and the trolley walking beam can be rapidly assembled or disassembled; the stability of a connecting structure between the trolley body and the trolley walking beam can be effectively enhanced through cooperation of the anti-disengaging rods and the anti-disengaging sliding grooves, so that the situation that the trolley body derails is avoided, the guide wheel rails are arranged in the trolley walking beam, and then rainwater and dust in the external environment can be prevented from falling on the rails.
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Description

Technical Field

[0001] The utility model relates to the technical field of cranes, in particular to an anti-derailment structure for a crane trolley. Background Art

[0002] In the prior art, to prevent the crane trolley from derailing, especially the suspended crane with electric hoist from derailing and falling, and an anti-derail device is installed on the trolley of the crane, Chinese patent CN213011613U discloses a field of lifting device accessories, specifically relates to a crane anti-derail device. Including a guide rail with an I-shaped section, a trolley frame is slidably arranged on the guide rail, and the trolley frame includes a hollow sliding sleeve with a rectangular section, and an upper guide wheel is rotatably connected on the straight portion of the upper end of the sliding sleeve, and the upper guide wheel rolls with the upper end of the lower part of the guide rail. A vertical long groove is provided on the vertical part of the sliding sleeve below the guide rail, and a slider is slidably arranged in the long groove, and the sliders on both sides are fixedly connected by a lower shaft, and two lower guide wheels are symmetrically rotated on the lower shaft in the sliding sleeve, and the lower guide wheel rolls with the lower end of the lower part of the guide rail, and a lower bolt is threadedly connected on the sliding sleeve below the slider, and the upper end of the lower bolt is rotatably connected with the slider, and the upper ends of the sliding sleeves on both sides of the guide rail are fixed with lateral stabilizing devices. The utility model can stabilize the structure of the trolley, increase the structural strength of the trolley, has a good anti-derailment effect, and effectively increases the service life and bearing capacity of the trolley.

[0003] The above prior art has the following deficiencies: although the prior art can prevent the guide wheel from falling off the I-shaped guide rail, protective structures are provided on both the upper and lower sides of the I-shaped guide rail, which results in a complex structure and is troublesome to install or disassemble; and because the I-shaped guide rail is exposed to the outside for a long time, it is easy to be covered with dust and impurities, which makes it inconvenient to clean and maintain. Therefore, a crane trolley anti-derailment structure is provided to solve the above problems. Utility Model Content

[0004] To solve the problems in the above background technology, the technical solution adopted by the utility model to solve the technical problem is: a crane trolley anti-derail structure, which includes: a trolley walking beam, a guide wheel track is provided inside the trolley walking beam, an anti-slip groove is provided inside the trolley walking beam on one side above the guide wheel track, an anti-slip rod is slidably connected to the anti-slip groove, and the anti-slip rod is in the shape of a T-shaped structure.

[0005] As a preferred technical solution of the utility model, the bottom end of the anti-slip rod is fixedly connected to the trolley body, two anti-slip rods are provided, the anti-slip groove is consistent with the anti-slip rod, and the inner side of the anti-slip groove is an arc structure.

[0006] As a preferred technical solution of the utility model, a guide wheel connecting rod is provided at the corner of the upper end of the trolley body, and the upper end of the guide wheel connecting rod is connected to a double guide wheel through an axis, and the double guide wheels are inserted into the guide wheel track.

[0007] As a preferred technical solution of the utility model, a notch is provided at the bottom end of the trolley walking beam, the notch is connected to the inside of the guide wheel track, and the notch is located in the middle of the bottom end of the guide wheel track.

[0008] As a preferred technical solution of the utility model, both ends of the trolley walking beam are fixedly connected with support legs by bolts, and the number of the support legs is four.

[0009] As a preferred technical solution of the utility model, an anti-detachment cover is fixedly connected to the end of the trolley walking beam by screws, and the anti-detachment cover is directly opposite to the guide wheel track, and four anti-detachment covers are provided.

[0010] The utility model has the following advantages: the double guide wheels on the trolley body can be inserted into the guide wheel track and the anti-slip rod can be inserted into the anti-slip slide groove by simply removing the anti-slip cover at the end of the trolley walking beam, so that the trolley body and the trolley walking beam can be quickly installed or removed;

[0011] The anti-slip rod and anti-slip groove can effectively enhance the stability of the connection structure between the trolley body and the trolley walking beam, thereby preventing the trolley body from derailing;

[0012] The guide wheel track is arranged inside the trolley walking beam, thereby preventing rain and dust in the external environment from falling on the track. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of a preferred embodiment of the utility model;

[0014] Figure 2 It is a partial cross-sectional structural schematic diagram of a preferred embodiment of the utility model;

[0015] Figure 3 This is a schematic diagram of the partial structure of the trolley walking beam of the preferred embodiment of the utility model;

[0016] Figure 4 It is a schematic diagram of the main structure of the trolley of the preferred embodiment of the utility model.

[0017] Explanation of the accompanying reference numerals: 1. Trolley walking beam; 2. Guide wheel track; 3. Anti-slip slide groove; 4. Trolley body; 5. Anti-slip rod; 6. Guide wheel connecting rod; 7. Double guide wheels; 8. Support leg; 9. Anti-slip cover. DETAILED DESCRIPTION

[0018] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate directions or positional relationships based on the directions 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 device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0019] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" 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 indirectly connected 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.

[0020] The utility model will be further described below in conjunction with the accompanying drawings.

[0021] Please refer to Figure 1-Figure 4 The utility model discloses a crane trolley anti-derailment structure, comprising: a trolley walking beam 1, a guide wheel track 2 is arranged inside the trolley walking beam 1, an anti-slip groove 3 is arranged inside the trolley walking beam 1 on one side above the guide wheel track 2, an anti-slip rod 5 is slidably connected inside the anti-slip groove 3, and the anti-slip rod 5 is in a T-shaped structure.

[0022] Combination Figure 2 and Figure 4 As shown, the bottom end of the anti-slip rod 5 is fixedly connected to the trolley body 4, two anti-slip rods 5 are provided, the anti-slip groove 3 is consistent with the anti-slip groove 3, the inner side of the anti-slip groove 3 is an arc structure, so that the anti-slip rod 5 can slide in the anti-slip groove 3, and a guide wheel connecting rod 6 is provided at the upper corner of the trolley body 4. The upper end of the guide wheel connecting rod 6 is connected to a double guide wheel 7 through an axis. The double guide wheel 7 is inserted into the guide wheel track 2 to ensure that the double guide wheel 7 maintains structural stability during movement.

[0023] Among them, a notch is opened at the bottom end of the trolley walking beam 1, the notch is connected to the inside of the guide wheel track 2, and the notch is located in the middle of the bottom end of the guide wheel track 2. Both ends of the trolley walking beam 1 are fixedly connected with support legs 8 by bolts, and there are four support legs 8. The end of the trolley walking beam 1 is fixedly connected with an anti-detachment cover 9 by screws. The anti-detachment cover 9 can ensure that the trolley main body 4 will not move out from the two ends of the trolley walking beam 1. The anti-detachment cover 9 is opposite to the guide wheel track 2, and there are four anti-detachment covers 9.

[0024] Specifically, when the utility model is used, it is only necessary to remove the anti-slip cover 9 at the end of the trolley walking beam 1, so that the double guide wheels 7 on the trolley main body 4 can be inserted into the guide wheel track 2, and the anti-slip rod 5 can be inserted into the anti-slip slide groove 3, so that the trolley main body 4 and the trolley walking beam 1 can be quickly installed or disassembled, and the trolley main body 4 can move along the guide wheel track 2 through the double guide wheels 7, and the anti-slip rod 5 can slide along the anti-slip slide groove 3, and the anti-slip rod 5 can cooperate with the anti-slip slide groove 3 to effectively enhance the stability of the connection structure between the trolley main body 4 and the trolley walking beam 1, thereby avoiding the derailment of the trolley main body 4.

[0025] The above are only preferred implementations of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

[0026] Other parts of the present invention not described in detail belong to the prior art and will not be described in detail here.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A crane trolley anti-derailment structure, comprising: The trolley walking beam (1) is characterized in that a guide wheel track (2) is provided inside the trolley walking beam (1), an anti-slip groove (3) is provided inside the trolley walking beam (1) on one side above the guide wheel track (2), an anti-slip rod (5) is slidably connected inside the anti-slip groove (3), and the anti-slip rod (5) is in the shape of a T-shaped structure.

2. A crane trolley anti-derailment structure as claimed in claim 1, characterized in that: The bottom end of the anti-slip rod (5) is fixedly connected to the trolley body (4), the number of the anti-slip rods (5) is two, the anti-slip groove (3) is consistent with the anti-slip rod (5), and the inner side of the anti-slip groove (3) is an arc structure.

3. A crane trolley anti-derailment structure as claimed in claim 2, characterized in that: A guide wheel connecting rod (6) is provided at the upper corner of the trolley body (4), and the upper end of the guide wheel connecting rod (6) is connected to a double guide wheel (7) via an axis, and the double guide wheel (7) is inserted into the guide wheel track (2).

4. A crane trolley anti-derailment structure as claimed in claim 1, characterized in that: A notch is provided at the bottom end of the trolley walking beam (1), the notch is communicated with the inside of the guide wheel track (2), and the notch is located in the middle of the bottom end of the guide wheel track (2).

5. The anti-derailment structure of a crane trolley according to claim 1, characterized in that: Both ends of the trolley walking beam (1) are fixedly connected to support legs (8) by bolts, and the number of the support legs (8) is four.

6. A crane trolley anti-derailment structure as claimed in claim 1, characterized in that: An anti-drop cover (9) is fixedly connected to the end of the trolley walking beam (1) by means of screws, and the anti-drop cover (9) is directly opposite to the guide wheel track (2). Four anti-drop covers (9) are provided.

Citation Information

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