Novel train carriage sweeper swing arm device

By designing connecting rods, elastic limit and swing angle adjustment devices on the train car cleaning truck, the problems of large rotation resistance of the swing arm device and unlimited hydraulic lock are solved, the stability and accurate positioning of the swing arm are achieved, and the cleaning efficiency is improved and the sweep effect.

CN222288231UActive Publication Date: 2025-01-03SHANDONG WUZHENG ENVIRONMENTAL TECH CO LTD +2
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Patent Information

Application Number
CN202420154348.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-23
Publication Date
2025-01-03
Estimated Expiration
2034-01-23

AI Technical Summary

Technical Problem

The swing arm device of the train car swing arm has a large eccentric swing resistance of the main arm, and the hydraulic lock has no mechanical elastic limit after swinging vertically. The swing arm is easily affected by the load during operation, affecting the air duct sealing, and the front limit seat. The lack of locking device, fast wear of the rotating sleeve, poor sweeping effect, difficulty in adjusting the arm position, and easy to fall off during transition.

Method used

A new type of swing arm device for cleaning trains was designed, using connecting rods, swing arm elastic limit device, swing arm swing angle adjustment device and swing arm limit locking device, through swing arm swing arm swing device, hydraulic motor and worm gear and worm gear The slewing reducer realizes mechanical elastic limit and poleless adjustment of the swing arm, and adds a front limit locking device to ensure the stability and accurate positioning of the swing arm when rotating.

Benefits of technology

The swing arm is adjusted around the center without pole, which improves the mechanical elastic limit and locking effect, reduces labor intensity, improves cleaning efficiency and product reliability, solves the problems of eccentric swing and rotating sleeve wear of the swing arm, and enhances the Sweeping effect and equipment stability.

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Abstract

The utility model relates to the field of cleaning parts, in particular to a novel fire carriage sweeper swing arm device which comprises a swing arm elastic limiting device, a swing arm and a swing arm swing angle adjusting device, the swing arm comprises an air pipe, a round pipe vertical beam, a supporting pipe and a supporting sleeve, the round pipe vertical beam is connected with the supporting pipe, and the supporting sleeve is connected with the round pipe vertical beam. The supporting sleeve is fixed to the bottom of the supporting pipe, the top of the round pipe vertical beam is communicated with the air pipe, the swing arm rotating device is installed through the supporting pipe and the supporting sleeve, the swing arm swing angle adjusting device is installed on the round pipe vertical beam, the connecting support is installed on the connecting rod, and the swing arm limiting locking device is arranged at the lower end of the connecting support. The problems that the rotating resistance of eccentric swing of the large arm is large, an oil cylinder is locked by a hydraulic lock after vertical swing-out, mechanical elastic limiting does not exist, the swing arm is prone to being affected by loads to deflect backwards during operation, the sealing performance of an air pipe is affected, a rotating shaft sleeve of the large arm is abraded fast, the sweeping and sucking effect is poor, the vertical swing-out position of the large arm is difficult to adjust, and the large arm is prone to bumping and disengaging during transition are solved.
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Description

Technical Field

[0001] The utility model relates to the field of cleaning components, and in particular to a novel swing arm device of a train carriage cleaning vehicle. Background Art

[0002] At present, the main methods of unloading bulk materials from open train cars include automatic unloading by tipping machines, unloading by spiral unloading machines, and unloading by grab bucket unloading machines, which have been mechanized. A small amount of residual materials will remain at the corners of the train compartments after unloading by the above mechanical unloading methods. In order to prevent the residual materials in the train compartments from being blown into the atmosphere and polluting the environment during the high-speed turnover of the compartments, the compartments need to be cleaned after unloading. The method of workers climbing into the compartments to clean and shovel out manually has problems such as high labor intensity, low efficiency, long cleaning time, incomplete cleaning, and high personnel safety risks. CN218258080U "A train cargo compartment residual material cleaning and collecting vehicle" designs a mobile train compartment cleaning vehicle, which realizes mechanized and efficient cleaning operations. However, the swing arm device of the train compartment cleaning vehicle has large resistance to rotation due to the eccentric swing of the big arm, and the oil cylinder is locked by a hydraulic lock after vertical swing without mechanical elastic limit. During operation, the swing arm is easily affected by the load and deflected backward, affecting the sealing of the air duct. The front limit seat lacks a locking device, and there are problems such as fast wear of the big arm rotating shaft sleeve, poor sweeping and suction effect, poor adjustment of the vertical swing position of the big arm, and easy bumping and falling out of the big arm during transfer. Utility Model Content

[0003] The utility model provides a novel swing arm device for a train carriage sweeper to solve the problems that the swing arm device of the train carriage sweeper has large eccentric swinging rotation resistance of the big arm, and after vertical swinging, the oil cylinder is locked by a hydraulic lock without mechanical elastic limit. During operation, the swing arm is easily affected by the load and deflected backward, affecting the sealing of the air duct, and the front limit seat lacks a locking device, resulting in fast wear of the rotating shaft sleeve of the big arm, poor sweeping and suction effect, difficult adjustment of the vertical swinging position of the big arm, and the big arm is easy to be bumped and dislodged during transfer, etc.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a new type of train carriage sweeper swing arm device, which is installed on the sweeper body through a connecting rod, and includes a swing arm elastic limiting device, a swing arm and a swing arm swing angle adjustment device, the swing arm is connected to the connecting rod, the swing arm includes an air duct, a round tube vertical beam, a support pipe, a support sleeve and a mounting flange, the round tube vertical beam is connected to the support pipe through the mounting flange, the support sleeve is fixed to the bottom of the support pipe, the top of the round tube vertical beam is connected to the air duct, a swing arm rotating device is installed through the support pipe and the support sleeve, the center lines of the round tube vertical beam, the support pipe and the support sleeve are located on the same longitudinal axis, the support pipe is connected to the round tube vertical beam, the swing arm swing angle adjustment device is installed on the round tube vertical beam, a connecting bracket is installed on the connecting rod, and a swing arm limiting locking device is arranged at the lower end of the connecting bracket.

[0005] Preferably, the swing arm rotating device includes a rotating shaft, a swing arm lower support seat, a rotating reducer mounting seat, a hydraulic motor and a worm gear rotating reducer, the swing arm lower support seat is mounted on the swing arm mounting back plate, the rotating shaft is inserted into the support sleeve, the swing arm lower support seat is coaxially and concentrically connected with the support sleeve through the rotating shaft, the hydraulic motor is mounted on the worm gear rotating reducer and drives the worm gear rotating reducer to rotate, the circular tube vertical beam is mounted on the upper flange surface of the worm gear rotating reducer through the mounting flange, and the worm gear rotating reducer is mounted on the rotating reducer mounting seat through the lower flange surface.

[0006] Preferably, the swing arm elastic limit device includes a rear limit arm, a rear rubber block, a rubber block fixing seat, a right rubber block and a right limit arm, the rear limit arm and the right limit arm are welded on the round tube vertical beam, the rubber block fixing seat is installed on the swing arm mounting back plate, and the rear rubber block and the right rubber block are both installed on the rubber block fixing seat.

[0007] Preferably, the swing arm angle adjustment device includes a fastening bolt, an adjustment fixing plate, an adjusting bolt, a locking nut, a sensing plate, a mounting plate and a proximity switch. A proximity switch mounting seat is provided on the swing arm mounting back plate beside the rubber block fixing seat. The proximity switch is fixedly mounted on the proximity switch mounting seat. The adjustment fixing plate is located beside the sensing plate. The adjusting bolt passes through the sensing plate and the adjusting fixing plate and is locked by a locking nut. A long groove is provided in the middle of the sensing plate. The fastening bolt passes through the long groove, and the sensing plate is mounted on the mounting plate.

[0008] Preferably, the swing arm limit locking device includes a swing arm bracket, a threaded adjustment rod and a pressure arm, the swing arm bracket is connected to the connecting bracket, a pressure arm rotating seat is provided on the swing arm bracket, one end of the pressure arm is fixed to the pressure arm rotating seat through a pin shaft, and the other end is connected to the threaded adjustment rod through a pin shaft, and a left bracket is provided on the left side of the swing arm bracket.

[0009] Preferably, a reinforcing orifice plate is further included, and the reinforcing orifice plate is installed below the air duct between the circular tube vertical beam and the connecting rod.

[0010] The beneficial effects of adopting the above technical solution are:

[0011] The utility model discloses to realize the swing arm to rotate around the center, the initial and final positions are infinitely adjusted and mechanical elastic limit and the front limit locking of the big arm are realized, the adjustment efficiency, cleaning effect and reliability of the equipment are improved, the labor intensity of the operators is reduced, the economic benefit of the product is improved, and the eccentric swinging and rotating resistance of the big arm is large. Moreover, after the vertical swing is carried out, the oil cylinder is locked by the hydraulic lock without mechanical elastic limit. During operation, the swing arm is easily affected by the load and deflected backward, affecting the sealing of the air duct. The front limit seat lacks a locking device, and there are problems such as fast wear of the rotating shaft sleeve of the big arm, poor sweeping and suction effect, difficult adjustment of the vertical swing position of the big arm, and easy bumping and falling out of the big arm during transfer. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0013] Figure 2 It is a partial cross-sectional schematic diagram of the front view of the swing arm rotating device of the utility model;

[0014] Figure 3 It is a top view schematic diagram of the swing arm elastic limiting device of the utility model;

[0015] Figure 4 It is a front view schematic diagram of the swing arm in the swing-out state when the swing arm rotary mounting device moves;

[0016] Figure 5 for Figure 4 A magnified schematic diagram of point A;

[0017] Figure 6 for Figure 1 The enlarged schematic diagram of point B in FIG.

[0018] The symbols in the figure correspond to: 1-connecting rod, 2-swing arm elastic limit device, 3-swing arm, 4-swing arm swing angle adjustment device, 31-air duct, 32-circular tube vertical beam, 33-support pipe, 34-support sleeve, 35-mounting flange, 36-reinforced orifice plate, 5-connecting bracket, 6-swing arm limit locking device, 71-rotating shaft, 72-swing arm lower support seat, 73-swing reducer mounting seat, 74-hydraulic motor, 75-swing reducer, 76 -Swing arm mounting back plate, 21-rear limit arm, 22-rear rubber block, 23-rubber block fixing seat, 24-right rubber block, 25-right limit arm, 41-fastening bolt, 42-adjustment fixing plate, 43-adjustment bolt, 44-locking nut, 45-sensing plate, 46-mounting plate, 47-proximity switch, 48-proximity switch mounting seat, 61-swing arm bracket, 62-threaded adjustment rod, 63-pressure arm, 64-pressure arm rotating seat, 65-left bracket. DETAILED DESCRIPTION

[0019] The specific implementation methods of the utility model are further explained in detail below with reference to the accompanying drawings through the description of embodiments, with the aim of helping technicians in the field to have a more complete, accurate and in-depth understanding of the concept and technical solution of the utility model and facilitating its implementation.

[0020] The utility model discloses a novel swing arm device for a train carriage sweeper, which solves the problems that the eccentric swinging and rotating resistance of the big arm is large, and the oil cylinder is locked by a hydraulic lock after vertical swinging without mechanical elastic limit. During operation, the swing arm is easily affected by the load and deflected backward, which affects the sealing of the air duct. The front limit seat lacks a locking device, and there are problems such as fast wear of the rotating shaft sleeve of the big arm, poor sweeping and suction effect, difficulty in adjusting the vertical swinging position of the big arm, and easy bumping and falling out of the big arm during transfer.

[0021] Specifically, Figure 1-Figure 6As shown, a novel swing arm device for a train carriage sweeper is installed on the sweeper body through a connecting rod 1, and includes a swing arm elastic limit device 2, a swing arm 3 and a swing arm swing angle adjustment device 4. The swing arm 3 is connected to the connecting rod 1, and the swing arm 3 includes an air duct 31, a round tube vertical beam 32, a support tube 33, a support sleeve 34 and a mounting flange 35. The round tube vertical beam 32 is connected to the support tube 33 through the mounting flange 35, the top of the support tube 34 is welded to the mounting flange 35, the support sleeve 34 is fixed to the bottom of the support tube 33, and the top of the round tube vertical beam 32 is connected to the air duct 31 The support tube 33 and the support sleeve 34 are connected, and a swing arm rotating device is installed through the support tube 33 and the support sleeve 34. The center lines of the circular tube vertical beam 32, the support tube 33 and the support sleeve 34 are located on the same longitudinal axis. The support tube 33 is connected with the circular tube vertical beam 32. The swing arm swing angle adjustment device 4 is installed on the circular tube vertical beam 32. The connecting rod 1 is equipped with a connecting bracket 5. A swing arm limit locking device 6 is provided at the lower end of the connecting bracket 5. It also includes a reinforcing orifice plate 36, which is installed below the air duct 31 between the circular tube vertical beam 32 and the connecting rod 1;

[0022] The swing arm rotary device includes a rotating shaft 71, a swing arm lower support seat 72, a rotary reducer mounting seat 73, a hydraulic motor 74 and a worm gear rotary reducer 75. The swing arm lower support seat 72 is mounted on the swing arm mounting back plate 76. The rotating shaft 71 is inserted into the support sleeve 34. The swing arm lower support seat 72 is coaxially and concentrically connected with the support sleeve 34 through the rotating shaft 31. The hydraulic motor 74 is mounted on the worm gear rotary reducer 75 and drives the worm gear rotary reducer 75 to rotate. The round tube vertical beam 32 is mounted on the upper flange surface of the worm gear rotary reducer 75 through the mounting flange 35. The worm gear rotary reducer 75 is mounted on the rotary reducer mounting seat 73 through the lower flange surface.

[0023] The swing arm elastic limiting device 2 comprises a rear limiting arm 21, a rear rubber block 22, a rubber block fixing seat 23, a right rubber block 24 and a right limiting arm 25. The rear limiting arm 21 and the right limiting arm 25 are welded on the round tube vertical beam 32. The rubber block fixing seat 23 is installed on the swing arm mounting back plate 76. The rear rubber block 22 and the right rubber block 24 are both installed on the rubber block fixing seat 23.

[0024] The swing arm angle adjustment device 4 includes a fastening bolt 41, an adjustment fixing plate 42, an adjustment bolt 43, a locking nut 44, a sensing plate 45, a mounting plate 46 and a proximity switch 47. A proximity switch mounting seat 48 is provided on the swing arm mounting back plate 76 and is located beside the rubber block fixing seat 23. The proximity switch 47 is fixedly mounted on the proximity switch mounting seat 48 and is used to detect the position of the sensing plate 45. When the sensing plate 45 is close to the proximity switch 47 at a distance less than 15 mm, a control signal is output. The adjustment fixing plate 42 is located beside the sensing plate 45. The adjustment bolt 43 passes through the sensing plate 45 and the adjustment fixing plate 42 and is locked by the locking nut 44. A long groove is provided in the middle of the sensing plate 45. The fastening bolt 41 passes through the long groove and the sensing plate 45 is mounted on the mounting plate 46. The front and rear stepless adjustment of the sensing plate 45 is achieved by adjusting the adjustment bolt 43.

[0025] The swing arm limit locking device 6 includes a swing arm bracket 61, a threaded adjustment rod 62 and a pressure arm 63. The swing arm bracket 61 is connected to the connecting bracket 5. A pressure arm rotating seat 64 is arranged on the swing arm bracket 61. One end of the pressure arm 63 is fixed on the pressure arm rotating seat 64 through a pin shaft, and the other end is connected to the threaded adjustment rod 62 through a pin shaft. A left bracket 65 is arranged on the left side of the swing arm bracket 61. The swing arm 3 is located on the swing arm bracket 61. The swing arm 3 is locked to the swing arm bracket 61 by tightening the nut of the threaded adjustment rod 62, so as to avoid the risk of the swing arm 4 being bumped and thrown out of the swing arm bracket 61 when the vehicle is driving at high speed during transfer.

[0026] The swing arm 3 is installed on the swing arm installation rotating device through bolt connection to realize the swing arm 3 to swing out and retract around the center; the swing arm swing angle adjustment device 4 is used to adjust the swing arm swing angle steplessly to realize the rapid and accurate positioning of the swing arm 3; the swing arm mechanical elastic limit device 2 is used to realize the elastic limit of the swing arm 3 swinging out and retracting action to avoid rigid impact; the hydraulic motor 74 drives the worm gear rotary reducer 75 to rotate and drive the swing arm 3 to rotate, and the proximity switch 47 detects the induction plate 45 and stops rotating, so as to realize the accurate swinging operation of the swing arm (3); the lower support seat 72 of the swing arm is coaxially and concentrically connected with the support sleeve 34 through the rotating shaft 71, so as to support the swing arm 3 to rotate smoothly and reliably.

[0027] In the description of the present invention, it should be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on the present invention.

[0028] The above is an exemplary description of the utility model in conjunction with the accompanying drawings. Obviously, the specific implementation of the utility model is not limited to the above-mentioned method. As long as various non-substantial improvements are made using the method concept and technical solution of the utility model; or the above-mentioned concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A novel swing arm device for a train carriage sweeper, which is mounted on the sweeper body via a connecting rod (1), and is characterized in that: The invention comprises a swing arm elastic limit device (2), a swing arm (3) and a swing arm swing angle adjustment device (4), wherein the swing arm (3) is connected to the connecting rod (1), and the swing arm (3) comprises an air duct (31), a round tube vertical beam (32), a support tube (33), a support sleeve (34) and a mounting flange (35), wherein the round tube vertical beam (32) is connected to the support tube (33) via the mounting flange (35), the support sleeve (34) is fixed to the bottom of the support tube (33), and the top of the round tube vertical beam (32) is fixed to the support tube (33). The circular tube vertical beam (32), the support tube (33) and the support sleeve (34) are connected to the air duct (31); a swing arm rotating device is installed through the support tube (33) and the support sleeve (34); the center lines of the circular tube vertical beam (32), the support tube (33) and the support sleeve (34) are located on the same longitudinal axis; the support tube (33) is connected to the circular tube vertical beam (32); the swing arm swing angle adjustment device (4) is installed on the circular tube vertical beam (32); a connecting bracket (5) is installed on the connecting rod (1); and a swing arm limit locking device (6) is provided at the lower end of the connecting bracket (5).

2. A novel swing arm device for a train carriage sweeper according to claim 1, characterized in that: The swing arm rotating device comprises a rotating shaft (71), a swing arm lower support seat (72), a rotating reducer mounting seat (73), a hydraulic motor (74) and a worm gear rotating reducer (75); the swing arm lower support seat (72) is mounted on a swing arm mounting back plate (76); the rotating shaft (71) is inserted into the supporting sleeve (34); the swing arm lower support seat (72) is coaxially and cocentrically connected with the supporting sleeve (34) via the rotating shaft (71); the hydraulic motor (74) is mounted on the worm gear rotating reducer (75) and drives the worm gear rotating reducer (75) to rotate; the circular tube vertical beam (32) is mounted on the upper flange surface of the worm gear rotating reducer (75) via the mounting flange (35); and the worm gear rotating reducer (75) is mounted on the rotating reducer mounting seat (73) via the lower flange surface.

3. A new type of swing arm device for a train carriage sweeper according to claim 2, characterized in that: The swing arm elastic limiting device (2) comprises a rear limiting arm (21), a rear rubber block (22), a rubber block fixing seat (23), a right rubber block (24) and a right limiting arm (25); the rear limiting arm (21) and the right limiting arm (25) are welded to the circular tube vertical beam (32); the rubber block fixing seat (23) is mounted on the swing arm mounting back plate (76); and the rear rubber block (22) and the right rubber block (24) are both mounted on the rubber block fixing seat (23).

4. The novel swing arm device for a train carriage sweeper according to claim 1 is characterized in that: The swing arm swing angle adjustment device (4) comprises a fastening bolt (41), an adjustment fixing plate (42), an adjustment bolt (43), a locking nut (44), a sensing plate (45), a mounting plate (46) and a proximity switch (47). A proximity switch mounting seat (48) is arranged on the swing arm mounting back plate (76) beside the rubber block fixing seat (23). The proximity switch (47) is fixedly mounted on the proximity switch mounting seat (48). The adjustment fixing plate (42) is located beside the sensing plate (45). The adjustment bolt (43) passes through the sensing plate (45) and the adjustment fixing plate (42) and is locked by the locking nut (44). A long groove is arranged in the middle of the sensing plate (45). The fastening bolt (41) passes through the long groove to mount the sensing plate (45) on the mounting plate (46).

5. The novel swing arm device for a train carriage sweeper according to claim 1 is characterized in that: The swing arm limit locking device (6) comprises a swing arm bracket (61), a threaded adjustment rod (62) and a pressure arm (63); the swing arm bracket (61) is connected to the connecting bracket (5); a pressure arm rotating seat (64) is provided on the swing arm bracket (61); one end of the pressure arm (63) is fixed to the pressure arm rotating seat (64) via a pin shaft, and the other end is connected to the threaded adjustment rod (62) via a pin shaft; a left bracket (65) is provided on the left side of the swing arm bracket (61).

6. The novel swing arm device for a train carriage sweeper according to claim 1 is characterized in that: It also includes a reinforcing orifice plate (36), wherein the reinforcing orifice plate (36) is installed below the air duct (31) between the circular tube vertical beam (32) and the connecting rod (1).