Chain transmission multi-driving-wheel self-walking type trolley

By centrally installing a three-phase asynchronous motor and reducer on the outer frame of the trolley and connecting multiple large sprockets at the wheel ends using a chain drive system, the problems of inconvenient maintenance and high cost of the existing trolley-type heat treatment furnace traction mechanism are solved, achieving high passability and low-cost maintenance convenience.

CN223580647UActive Publication Date: 2025-11-21HARBIN MINGYANG FURNACE IND
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Patent Information

Application Number
CN202423256750.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-29
Publication Date
2025-11-21
Estimated Expiration
2034-12-29

AI Technical Summary

Technical Problem

The traction mechanism of the existing bogie-type heat treatment furnace is inconvenient to maintain and has high costs due to the limited space for the geared motor installation.

Method used

The three-phase asynchronous motor and reducer are mounted on the frame on the outside of the trolley and connected to multiple large sprockets at the wheel ends through a chain drive system to achieve synchronous rotation. The small sprocket at the output end of the reducer drives the large sprockets at the wheel ends to rotate.

Benefits of technology

It improves the maneuverability and ease of maintenance of the trolley, reduces maintenance costs, and has a reasonable structure and low cost.

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Abstract

A chain transmission multi-driving-wheel self-walking type trolley comprises a trolley steel structure (2) and driving wheel shafts (6), wheels (3) are arranged on the two sides of the driving wheel shafts (6), wheels (3) are arranged on the two sides of driven wheel shafts (5), wheel end large chain wheels (9) are arranged on the same sides of the driving wheel shafts (6), and the adjacent wheel end large chain wheels (9) are connected through long sleeve roller chains (8). A driven wheel shaft (5) is arranged on one side of the driving wheel shaft (6), front supporting bearings (20) are arranged on the two sides of the driven wheel shaft (5), rear supporting bearings (19) are arranged on the two sides of the driving wheel shaft (6), trolley steel structures (2) are arranged on the upper portions of the front supporting bearings (20) and the upper portions of the rear supporting bearings (19), and one sides of the trolley steel structures are connected with a rack (12). A trolley brick lining (1) is arranged on the upper portion of the trolley steel structure (2).
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Description

TECHNICAL FIELD

[0001] The utility model relates to industrial furnace field especially chain drive multi drive wheel self -propelled trolley. BACKGROUND

[0002] The trolley type industrial furnace with movable furnace bottom is a kind of medium with fuel gas or electric energy, and is heated by various burners or electric heating elements.The existing trolley type heat treatment furnace trolley traction mechanism is mainly composed of small gear installed on the output shaft of speed reducer and large gear on the wheel, which drives the wheel to roll.The trolley is generally equipped with multiple motors and speed reducers symmetrically installed on both sides of the trolley to avoid skidding.The structure has small installation space, which causes maintenance difficulty and high cost. SUMMARY

[0003] The utility model provides a kind of chain drive multi drive wheel self -propelled trolley, which is provided on the rack outside the trolley of the three-phase asynchronous motor and the speed reducer, has large operation space and is easy to maintain, and has multiple wheel end large sprockets, so it has good trolley passing performance.

[0004] The utility model discloses a kind of chain drive multi drive wheel self -propelled trolleys, which are characterized by the following technical solutions:

[0005] A kind of chain drive multi drive wheel self -propelled trolley, including trolley steel structure, driving wheel shaft, wheel is arranged on the both sides of driving wheel shaft, wheel is arranged on the both sides of driven wheel shaft, multiple driving wheel shafts are symmetrically arranged wheel end large sprocket on the same side, adjacent wheel end large sprocket is connected by long sleeve roller chain, realizes the synchronous rotation of multiple wheel end large sprocket, driven wheel shaft is arranged on the side of driving wheel shaft, front support bearing is arranged on the both sides of driven wheel shaft, rear support bearing is arranged on the both sides of driving wheel shaft, trolley steel structure is arranged on the upper portion of front support bearing and rear support bearing, one side of trolley steel structure is connected with rack, trolley brick lining is arranged on the upper portion of trolley steel structure, trolley steel structure includes crossbeam and longitudinal beam, the lower portion of longitudinal beam is connected with front support bearing and rear support bearing, crossbeam is arranged on the upper portion of longitudinal beam, and trolley brick lining is connected to the upper portion of crossbeam.

[0006] Rack upper portion is provided with speed reducer and three-phase asynchronous motor, three-phase asynchronous motor is connected with speed reducer, speed reducer is connected with speed reducer output end small sprocket, speed reducer output end small sprocket is connected with wheel end large sprocket by short sleeve roller chain, and three-phase asynchronous motor drives wheel end large sprocket to rotate by speed reducer output end small sprocket.

[0007] Beneficial effects: the utility model discloses reasonable structure, clever design, and the number of wheel end sprocket can be increased or decreased according to specific circumstances, and the trolley is good in passing and convenient to maintain, and the cost is low. Meanwhile, the structure is because three-phase asynchronous motor and speed reducer are concentrated on the rack outside the trolley, and the operation space is big, so it is convenient to maintain, and because of having multiple wheel end sprocket, the trolley is good in passing, and the cost is lower. BRIEF DESCRIPTION OF DRAWINGS

[0008] Figure 1 It is a chain transmission multiple drive wheel self-propelled trolley structure schematic diagram for the utility model.

[0009] Figure 2 It is a chain transmission multiple drive wheel self-propelled trolley chain transmission concrete distribution three-dimensional schematic diagram for the utility model.

[0010] Figure 3 It is a chain transmission multiple drive wheel self-propelled trolley front view for the utility model.

[0011] Figure 4 It is a chain transmission multiple drive wheel self-propelled trolley plan view for the utility model. DETAILED DESCRIPTION

[0012] The utility model will be further explained in detail according to the drawings and examples:

[0013] Example 1:

[0014] The utility model discloses a chain transmission multiple drive wheel self-propelled trolley, including trolley steel structure 2, driving wheel shaft 6, the wheel 3 of driving wheel shaft 6 both sides is set up, the wheel 3 of driven wheel shaft 5 both sides is set up, multiple driving wheel shaft 6 same side is all set up wheel end sprocket 9, and adjacent wheel end sprocket 9 is connected through long sleeve roller chain 8, realizes multiple wheel end sprocket 9 synchronous rotation, the driving wheel shaft 6 one side sets up driven wheel shaft 5, and the front support bearing 20 is arranged on the both sides of driven wheel shaft 5, and the rear support bearing 19 is arranged on the both sides of driving wheel shaft 6, and the trolley steel structure 2 is arranged on the upper portion of front support bearing 20 and rear support bearing 19, the trolley steel structure one side is connected rack 12, the trolley brick lining 1 is set up on the upper portion of trolley steel structure 2, and the trolley steel structure 2 includes crossbeam 21 and longitudinal beam 22, the longitudinal beam 22 lower portion connects front support bearing 20 and rear support bearing 19, the longitudinal beam 22 upper portion sets up crossbeam 21, and the trolley brick lining 1 is connected on the upper portion of crossbeam 21.

[0015] The utility model discloses a rack 12 upper portion is provided with the speed reducer 13, three phase asynchronous motor 14, three phase asynchronous motor 14 connects the speed reducer 13, the speed reducer 13 connects the speed reducer output end small chain wheel 11, the speed reducer output end small chain wheel 11 is connected through short sleeve roller chain 10 wheel end big chain wheel 9, three phase asynchronous motor 14 is driven wheel end big chain wheel 9 rotation through the speed reducer output end small chain wheel 11.

[0016] Embodiment 2

[0017] The utility model discloses three phase asynchronous motor 14 has small chain wheel 15, and the speed reducer 13 has the speed reducer input end big chain wheel 16, and small chain wheel 15 is connected through the speed reducer input end sleeve roller chain 17 the speed reducer input end big chain wheel 16. The crossbeam 21 lower portion is provided with the tension wheel 7, and the tension wheel 7 is connected long sleeve roller chain 8. The driven wheel axle 6 is provided with 7. The rack 12 adopts the Q235 steel plate welding of thickness 14mm.

[0018] Embodiment 3

[0019] The utility model discloses the movement and power transmission of speed reducer output end small chain wheel 11 to the nearest wheel end big chain wheel 9 of rack 12, and each driven wheel axle 6's single side axle end is installed with a wheel end big chain wheel 9, and the nearest wheel end big chain wheel 9 of rack 12 is in turn through long sleeve roller chain 8 and is transmitted to the movement and power of next driven wheel axle 6, thereby drive the rotation of two wheels 3 located on driven wheel axle 6, realize the advance and retreat of trolley. The axle distance between adjacent two driven wheel axles 6 is relatively big, to guarantee the efficiency and stability of movement and power transmission, and there is a tension wheel 7 on the top of long sleeve roller chain 8, and the upper end of tension wheel 7 is fixed on the crossbeam 21 of trolley steel structure 2 through bolt, and the lower end is pressed on the top of long sleeve roller chain 8, and the tension of long sleeve roller chain 8 is controlled through adjusting tension wheel, and the structure is because three phase asynchronous motor and speed reducer 13 are concentrated on the rack 12 of trolley outside, and the operation space is big, so it is convenient to maintain, and because having multiple wheel end big chain wheels 9, so trolley passability is good, and the cost is lower.

[0020] The above only is the preferred implementation mode of the utility model, and does not use for limiting the utility model, should point out, for ordinary skill in the art of the present technology field, on the premise of not departing from the technical principle of the utility model, can make a number of improvements and variations, and these improvements and variations also should be regarded as the protection range of the utility model.

Claims

1. A chain drive multi- drive wheel self-propelled trolley, characterized in that :Including trolley steel structure (2), the driving wheel shaft (6), the driving wheel shaft (6) both sides set up wheel (3), the driving wheel shaft (6) one side sets up driven wheel shaft (5), driven wheel shaft (5) both sides set up wheel (3), multiple driving wheel shaft (6) same side all set up wheel end large sprocket (9), adjacent wheel end large sprocket (9) is connected through long sleeve roller chain (8), realizes multiple wheel end large sprocket (9) synchronous rotation, driven wheel shaft (5) both sides are provided with front support bearing (20), driving wheel shaft 6 both sides set up rear support bearing (19), front support bearing (20) and rear support bearing (19) upper all are provided with trolley steel structure (2), the trolley steel structure one side connects frame (12), the trolley steel structure (2) upper sets up trolley brick lining (1), trolley steel structure (2) includes crossbeam (21) and longitudinal beam (22), the longitudinal beam (22) lower part connects front support bearing (20) and rear support bearing (19), the longitudinal beam (22) upper sets up crossbeam (21), the crossbeam (21) upper connects trolley brick lining (1).

2. A chain drive multi-driven wheel self-propelled trolley according to claim 1, characterized in that :The frame (12) upper sets up reducer (13), three-phase asynchronous motor (14), the three-phase asynchronous motor (14) connects reducer (13), the reducer (13) connects reducer output end small sprocket (11), the reducer output end small sprocket (11) is connected wheel end large sprocket (9) through short sleeve roller chain (10), three-phase asynchronous motor (14) is driven wheel end large sprocket (9) rotation through reducer output end small sprocket (11).

3. A chain-driven multi-driven wheel self-propelled trolley according to claim 2, characterized in that :The three-phase asynchronous motor (14) has small sprocket (15), and the reducer (13) has reducer input end large sprocket (16), and the small sprocket (15) is connected reducer input end large sprocket (16) through reducer input end sleeve roller chain (17).

4. A chain-driven multi-driven-wheel self-propelled pallet truck according to claim 3, characterized in that :The crossbeam (21) lower part sets up tensioning wheel (7), and the tensioning wheel (7) is connected long sleeve roller chain (8).

5. A chain drive multi-driven wheel self-propelled trolley according to claim 1, characterized in that :The driving wheel shaft (6) sets up 7.

6. A chain drive multi-driven wheel self-propelled trolley according to claim 1, characterized in that :The frame (12) is made by welding with Q235 steel plate of thickness 14mm.