Derailing and rail gnawing prevention device for small wheels of double-beam bridge crane
By installing guide wheel mechanisms on both sides of the trolley mechanism of the bridge crane, the problems of wear and safety hazards caused by rail biting were solved, and safe operation and economic benefits were improved.
Patent Information
- Application Number
- CN202520722765.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-17
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-04-17
AI Technical Summary
After prolonged use, the wheels of bridge cranes are prone to wear and tear, which leads to rapid wear of the wheels and rails, reduces their service life, and may cause safety accidents.
Four sets of guide wheel mechanisms are welded to the front and back of the left and right sides of the trolley mechanism, including vertical triangular rib plates, base plates, Z-shaped brackets and guide wheels. They are connected by bolts and fixed by bearings to adjust the distance between the guide wheels and the track, preventing rail wear and derailment.
It effectively prevents rail wear and derailment accidents, reduces wear, ensures safe operation of equipment, has a simple structure that is easy to maintain, meets the requirements of special equipment, and reduces economic losses.
Smart Images
Figure CN223722603U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bridge crane technical field, concretely is double beam bridge crane trolley wheel anti derailment and gnaw rail device. BACKGROUND
[0002] In prior art, bridge crane is one of the indispensable equipment in enterprise production, and its running state is directly related to normal production of enterprise and life safety of equipment and personnel. Since the trolley mechanism of bridge crane needs to be operated continuously for a long time, with the lapse of time, the wheel set of the trolley mechanism gradually deforms in the non-standard use of metal structure and main beam, and the wheel gnawing phenomenon gradually appears, which can cause rapid wear and consumption of the wheel or the track, reduce the service life of the wheel and the track, and cause certain economic cost loss to the enterprise. Meanwhile, the deflection operation of the wheel can also adversely affect the safe operation of the equipment and the workshop, and easily cause the climbing phenomenon and further cause the derailment and other safety accidents.
[0003] At present, under the working condition of domestic bridge crane, the gnawing of the trolley and the car is a common situation. In order to avoid the fault time, labor intensity, financial investment and safety hazards caused by gnawing, various methods to prevent gnawing are considered, such as track oiling, two-way rail clamping, one-way anti-twisting, electric control detection and other means to avoid the occurrence of gnawing phenomenon, which are implemented by different ways and components, but the effect is not good. CONTENT OF THE UTILITY MODEL
[0004] The utility model aims at the above-mentioned shortage and provides a double beam bridge crane trolley wheel anti derailment and gnawing device with optimized structure, safe use and easy maintenance.
[0005] The technical solution of the utility model is that the double beam bridge crane trolley wheel anti derailment and gnawing device is provided with a guide wheel mechanism device in contact with the rolling action of the side surface of the guide rail on the left and right sides of the trolley mechanism box body, the guide wheel mechanism device comprises a vertical triangular rib plate, the first right angle edge of the vertical triangular rib plate is welded with a base plate, and the second right angle edge of the vertical triangular rib plate is welded with the side surface of the trolley; the base plate is connected with the upper plane plate of the Z-shaped support through bolts, the back surface of the upper plane plate is provided with a supporting rib plate, the lower plane plate of the Z-shaped support is vertically welded with a bearing fixing pin, the guide wheel is connected with the bearing fixing pin through two bearings in the middle hole of the guide wheel, the upper end of the bearing fixing pin is fixed to the guide wheel through a second nut, and the outer end surface of the bearing is provided with a dustproof ring.
[0006] The bolt hole between the base plate and the plane plate of the Z-shaped support is a long strip hole, and the long strip hole is parallel to the first right angle edge of the vertical triangular rib plate.
[0007] The utility model discloses a simple structure, low cost, convenient, practical, easy to be popularized.
[0008] The embodiments of the utility model will be described further in detail below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS
[0009] Figure 1 It is the structure diagram of the utility model.
[0010] Figure 2 It is the structure diagram of Z-shaped support.
[0011] Figure 3 It is the structure diagram of the utility model in use state. DETAILED DESCRIPTION
[0012] Referring to Figure 1 , 2 , the names of parts and components are as follows: vertical triangular rib plate 1, vertical triangular rib plate first right angle edge 3, base plate 2, vertical triangular rib plate second right angle edge 4, Z-shaped support 5, plane plate 6, bolt 7, support rib plate 8, lower plane plate 9, bearing fixing pin 10, guide wheel 11, second nut 12, long strip hole 13.
[0013] Referring to Figure 3 , the names of parts and components are as follows: trolley 14, track 15, track side 16, wheel 17.
[0014] Referring to Figure 1 , 2 , 3, the double-beam bridge crane trolley wheel anti-derailment and gnawing rail device is installed on the left and right sides of the trolley mechanism box body, and each side is welded and additionally installed guide wheel mechanism device (see Figure 3), a total of four. The guide wheel mechanism device includes a vertical triangular web 1, the vertical triangular web first right angle edge 3 is welded with the base plate 2, the vertical triangular web second right angle edge 4 is welded with the side of the trolley, the vertical triangular web second right angle edge 4 is welded and fixed with the side plate of the trolley box body. The base plate 2 is connected with the upper plane plate 6 of Z-shaped support 5 through bolt 7, the back of the upper plane plate 6 has support web 8, the lower plane plate 9 of Z-shaped support 5 is vertically welded with bearing fixing pin 10, the middle hole of guide wheel 11 is connected with bearing fixing pin 10 through two bearings, the upper end of bearing fixing pin 10 is fixed with guide wheel 11 through the second nut 12, the outer end face of bearing is provided with dustproof ring. The guide wheel 11 is configured by using a single bearing fixing pin 10, and one bearing is embedded in the upper and lower parts of the guide wheel 11 respectively, in order to prevent dust from falling in use, dust pads are installed on both sides, because the inner diameter of the bearing and the diameter of the bearing fixing pin 10, the outer diameter of the bearing and the inner diameter of the guide wheel 11 are all matched and installed, the tightness is moderate, so after installation, only one second nut 12 on the upper side can be fastened, the structure is simple, and the later maintenance mode can be realized more simply.
[0015] The bolt hole for connecting the base plate 2 and the plane plate 6 of the Z-shaped support 5 is a long strip hole 13 (see Figure 2 ), the long strip hole 13 is parallel to the first right angle edge 3 of the vertical triangular web, and the long strip hole 13 can realize the distance adjustment between the inside and outside of the guide wheel 11 (the relative movement between the base plate 2 and the plane plate 6), so as to realize the maximum use of the guide wheel 11, prolong the service life, and reduce the processing cost of the guide wheel 11. The whole assembly can be passively operated with the whole mechanism of the trolley, and the structure is simple.
[0016] The guide wheel 11 is horizontally arranged, the bearing fixing pin 10 is vertically arranged, the outer end face of the guide wheel 11 is in rolling connection with the side 16 of the wheel track, and the deviation of the wheel is limited, so that the guide wheel 11 can realize the function of preventing rail biting.
[0017] The device is specially designed for the trolley mechanism, and has the advantages of simple structure, convenient installation and adjustment, and labor saving. The device is designed considering the replacement of the guide wheel 11 wear and bearing damage and other faults, and the goal is to solve the fault problem more conveniently and quickly in the later period, and the service life of the guide wheel 11 is optimized to the greatest extent, the long strip hole 13 is additionally arranged, the inside and outside gap adjustment between the guide wheel 11 and the track can be realized, the guide wheel 11 is used to the greatest extent, waste is reduced, the original design function of the original trolley mechanism is ensured, the original design function of the original trolley mechanism is still satisfied, the related requirements of special equipment are still satisfied, and various possible safety factors are avoided. It is simple, low-cost, convenient, practical and most desirable, easy to be accepted by users, and easy to be popularized.
[0018] The above description is only a specific embodiment of the utility model, and various examples do not limit the essential content of the utility model.
Claims
1. A dual beam bridge crane trolley wheel anti-derailing and rail biting device, characterized in that On both sides of the trolley mechanism box, a guide wheel mechanism device is welded on the front and back of the guide rail side, which rolls and contacts with the guide rail side, the guide wheel mechanism device comprises a vertical triangular rib plate (1), the first right angle edge (3) of the vertical triangular rib plate is welded with the base plate (2), and the second right angle edge (4) of the vertical triangular rib plate is welded with the side of the trolley; the base plate (2) is connected with the upper plane plate (6) of the Z-shaped support (5) through a bolt (7), the back of the upper plane plate (6) is provided with a supporting rib plate (8), the lower plane plate (9) of the Z-shaped support (5) is vertically welded with a bearing fixing pin (10), the middle hole of the guide wheel (11) is connected with the bearing fixing pin (10) through two bearings, and the upper end of the bearing fixing pin (10) is screwed and fixed to the guide wheel (11) through a second nut (12); the outer end surface of the bearing is provided with a dustproof ring.
2. The dual beam bridge crane trolley wheel derailing and rail biting prevention device according to claim 1, characterized in that The bolt hole for connecting the base plate (2) and the plane plate (6) of the Z-shaped support (5) through the bolt (7) is a long strip hole (13), and the long strip hole (13) is parallel to the first right angle edge (3) of the vertical triangular rib plate.