Portal crane operation trolley with cleaning function
By installing a track-sweeping assembly driven by traveling wheels on the gantry crane's trolley, and using gear meshing to drive the roller brush to rotate, the problems of complex structure and high cost of traditional gantry crane track cleaning devices are solved, achieving simple and efficient track cleaning and improving the crane's operational stability.
Patent Information
- Application Number
- CN202520586265.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-31
AI Technical Summary
The track cleaning device of traditional gantry cranes is complex and costly, which affects the operating efficiency of the crane.
The system uses a walking wheel to drive the rail sweeping assembly, which uses gear meshing to rotate the roller brush to clean the rails. It has a simple structure and good results.
Effectively clearing debris from the tracks prevents it from affecting crane operation, thus improving operational efficiency and effectiveness.
Smart Images

Figure CN223879308U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a gantry crane technical field, concretely is a door type crane running trolley with cleaning function. BACKGROUND
[0002] The door type crane is a deformation of the bridge crane, also called the gantry crane. It is mainly used for loading and unloading operations of goods and bulk cargo in outdoor yards. The door type crane has the characteristics of high site utilization rate, large operation range, wide adaptability, and strong versatility, and is widely used in port yards. Its metal structure is like a door frame, two support legs are installed below the main beam, and the main beam can directly walk on the track on the ground. The main beam can have an outer cantilever beam at both ends. During the use of the conventional door type crane, if there are sundries inside the track of the crane, it will affect the movement of the crane. The conventional crane trolley rail sweeper is a rail sweeping plate hanging sweeping operation, and an external motor is used to drive the brush operation.
[0003] The patent with the authorized announcement number CN220432086U discloses a door type crane track cleaning device, which comprises a main body, a sweeping brush, and a mounting roller. The bottom end of the main body is provided with mounting plates on both sides, and a driven rotating shaft is horizontally installed between the mounting plates through a rotating shaft. The outer wall of the driven rotating shaft is provided with a mounting roller, and the outer wall of the driven rotating shaft on both sides of the mounting roller is provided with a driven wheel. The outer wall of the mounting roller is provided with a plurality of sweeping brushes, and the rear end of the bottom end of the main body is provided with a collecting groove. The bottom end of the inside of the main body is provided with a connecting pipe, and one side of the main body is provided with a driving motor. The driving motor drives the mounting roller to rotate for sweeping operation, which has a complex structure and high cost. UTILITY MODEL CONTENTS
[0004] The utility model solves the technical problem of overcoming the defects of the prior art and provides a door type crane running trolley with cleaning function, which has a simple structure, good use effect, and can effectively solve the problems in the background art.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a door type crane running trolley with cleaning function, comprising a wheel frame, the wheel frame is provided with at least two walking wheels, and the two sides of the running direction of the wheel frame are provided with rail sweeping assemblies. The rail sweeping assembly comprises a rotating shaft, the shaft body of the rotating shaft is provided with a rolling brush, the two ends of the rotating shaft are connected with the wheel frame through bearing seats, the shaft body of the rotating shaft is coaxially provided with a gear one, and the walking wheel close to the rail sweeping assembly is coaxially provided with a gear two engaged with the gear one.
[0006] Preferably, the shaft end of the walking wheel is connected with the gear two through a key, and the walking wheel is connected with the wheel frame through a split bearing seat.
[0007] Preferably, the width of the rolling brush is greater than the upper width of the track, and the rolling bristles of the rolling brush are in contact with the track.
[0008] Preferably, the gear one is connected to the shaft body of the rotating shaft through a key, and the gear ratio of the gear two to the gear one is 3.
[0009] Preferably, the walking wheel is a double-rim wheel, and the distance between the two rims on the two sides of the walking wheel is greater than 3-6 cm than the diameter of the track.
[0010] Preferably, the outer side of the wheel frame is provided with a speed reducer for driving one of the walking wheels to rotate.
[0011] Compared with the prior art, the utility model has the advantages of simple structure, increased track sweeping assembly, gear two installed at the shaft end of the walking wheel near the track sweeping assembly, gear one provided on the track sweeping assembly, gear two engaged with gear one, walking wheel driven to rotate the rolling brush through gear two and gear one when the trolley walks, track cleaning operation realized, track debris affecting the operation of the crane avoided, and good use effect. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is a structural schematic view of the utility model;
[0013] Figure 2 It is a side view of the utility model;
[0014] Figure 3 It is a sectional view of the utility model;
[0015] Figure 4 It is a structural schematic view of the walking wheel of the utility model;
[0016] Figure 5 It is a structural schematic view of the track sweeping assembly of the utility model.
[0017] In the drawing: 1 wheel frame, 2 track sweeping assembly, 2.1 rotating shaft, 2.2 gear one, 2.3 rolling brush, 2.4 bearing seat, 3 walking wheel, 4 gear two. DETAILED DESCRIPTION
[0018] The utility model can be explained in detail through the following examples, and the purpose of the utility model is to protect all technical improvements within the scope of the utility model. In the description of the utility model, it should be understood that the orientation or position relationship indicated by terms such as "upper", "lower", "front", "rear", "left" and "right" only corresponds to the drawing of the application, and is not intended to indicate or imply that the indicated device or element must have a particular orientation.
[0019] Please refer to Figures 1-5The utility model provides a technical scheme: a door type crane running trolley with cleaning function, including wheel stand 1, wheel stand 1 is installed at least two travelling wheels 3, wheel stand 1 running direction's both sides are equipped with sweep rail assembly 2, sweep rail assembly 2 includes pivot 2.1, the axle body of pivot 2.1 is equipped with roll brush 2.3, and the both ends of pivot 2.1 are connected with wheel stand 1 through bearing seat 2.4 respectively, and the axle body of pivot 2.1 is coaxially equipped with gear one 2.2, and the travelling wheel 3 close to sweep rail assembly 2 is coaxially equipped with gear two 4 engaged with gear one 2.2,
[0020] It can be understood that the gear two 4 is installed on the axle end of the travelling wheel 3 close to the sweep rail assembly 2, the sweep rail assembly 2 is equipped with the gear one 2.2, the gear two 4 is engaged with the gear one 2.2, namely when the trolley is running, the travelling wheel 3 drives the roll brush 2.3 to rotate through the gear two 4 and the gear one 2.2, realizes the cleaning operation to the track, avoids the track sundries to influence the operation of the crane, and the use effect is good;
[0021] It should be noted that when the travelling wheel 3 advances, the gear two 4 rotates clockwise, the gear one 2.2 rotates counterclockwise, and the roll brush 2.3 rotates counterclockwise, i.e. the sundries on the track is swept to the outside of the trolley, avoiding the sundries to fall back on the track when sweeping clockwise;
[0022] Further, the axle end of the travelling wheel 3 is connected to the gear two 4 through a key, and the travelling wheel 3 is connected to the wheel stand 1 through a split bearing seat, facilitating disassembly and installation.
[0023] Further, the width of the roll brush 2.3 is greater than the upper width of the track, the roll hairs of the roll brush 2.3 contact the track, the roll brush 2.3 can completely cover the track, ensuring the cleaning effect.
[0024] Further, the gear one 2.2 is connected to the axle body of the pivot 2.1 through a key, and the gear ratio of the gear two 4 to the gear one 2.2 is 3, which makes the roll brush 2.3 rotate faster and the cleaning effect better.
[0025] In addition, the travelling wheel 3 is a double-rim wheel, and the distance between the two rims of the travelling wheel 3 is greater than the diameter of the track by 3-6 cm; the outside of the wheel stand 1 is provided with a speed reducer for driving one of the travelling wheels 3 to rotate.
[0026] The utility model is not detailed in the prior art, and for those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be considered as exemplary and non-limiting, and all changes within the meaning and scope of the equivalent elements should be included in the utility model.
Claims
1. A portal crane running trolley with a cleaning function, comprising a wheel carrier (1), characterized in that: The wheel frame (1) is provided with at least two walking wheels (3), and both sides of the wheel frame (1) in the running direction are provided with a track sweeping assembly (2), the track sweeping assembly (2) comprises a rotating shaft (2.1), the shaft body of the rotating shaft (2.1) is sleeved with a rolling brush (2.3), both ends of the rotating shaft (2.1) are connected with the wheel frame (1) through bearing seats (2.4) respectively, the shaft body of the rotating shaft (2.1) is coaxially provided with a gear one (2.2), and the walking wheel (3) close to the track sweeping assembly (2) is coaxially provided with a gear two (4) engaged with the gear one (2.2).
2. The portal crane running trolley with cleaning function according to claim 1, characterized in that: The shaft end of the walking wheel (3) is connected with the gear two (4) through a key, and the walking wheel (3) is connected with the wheel frame (1) through a split bearing seat.
3. The portal crane running trolley with cleaning function according to claim 1, characterized in that: The width of the rolling brush (2.3) is greater than the upper width of the track, and the rolling bristles of the rolling brush (2.3) are in contact with the track.
4. The portal crane running trolley with cleaning function according to claim 1, characterized in that: The gear one (2.2) is connected with the shaft body of the rotating shaft (2.1) through a key, and the gear ratio of the gear two (4) to the gear one (2.2) is 3.
5. The portal crane running trolley with cleaning function according to claim 1, characterized in that: The walking wheel (3) is a double-rim wheel, and the distance between the rims on both sides of the walking wheel (3) is greater than the diameter of the track by 3-6 cm.
6. The portal crane running trolley with cleaning function according to claim 1, characterized in that: The outer side of the wheel frame (1) is provided with a speed reducer for driving one of the walking wheels (3) to rotate.
Citation Information
Patent Citations
Portal crane rail cleaning device
CN220432086U