High-precision wheel set positioning and transferring mechanism for railway vehicle production
阅读说明:本技术 一种铁路车辆生产用的高精度轮对定位转运机构 (High-precision wheel set positioning and transferring mechanism for railway vehicle production ) 是由 殷建平 于 2019-04-03 设计创作,主要内容包括:本发明涉及铁路生产设备技术领域,具体地,涉及一种铁路车辆生产用的高精度轮对定位转运机构,包括有直线移动装置、同步装置和轮对定位装置,轮对定位装置包括有移动机构、缓冲机构和轴定位机构,轮对放置在铁轨上,轴定位机构设置在轮对的两侧并与轮对的旋转轴卡接,缓冲机构安装在轴定位机构的下方,缓冲机构的工作方向与轮对的运输方向相同,移动机构安装在缓冲机构的下方并驱动缓冲机构从轮对的两侧向着轮对移动,同步装置和移动机构均安装在直线移动装置上,直线移动装置设置在铁轨的两侧,直线移动装置的运输方向与轮对的运输方向相同,该机构无需高精度齿条,其直线移动装置上安装有安全同步机构,轮对运输时不易脱轨,也不易损坏齿条。(The invention relates to the technical field of railway production equipment, in particular to a high-precision wheel set positioning and transferring mechanism for railway vehicle production, which comprises a linear moving device, a synchronizer and a wheel set positioning device, wherein the wheel set positioning device comprises a moving mechanism, a buffer mechanism and a shaft positioning mechanism, the wheel set is placed on a rail, the shaft positioning mechanism is arranged at two sides of the wheel set and is clamped with a rotating shaft of the wheel set, the buffer mechanism is arranged below the shaft positioning mechanism, the working direction of the buffer mechanism is the same as the conveying direction of the wheel set, the moving mechanism is arranged below the buffer mechanism and drives the buffer mechanism to move towards the wheel set from two sides of the wheel set, the synchronizer and the moving mechanism are both arranged on the linear moving device, the linear moving device is arranged at two sides of the rail, the conveying direction of the linear moving device is the same as the conveying direction of the wheel set, and the mechanism does not, a safety synchronizing mechanism is arranged on the linear moving device, so that the wheel set is not easy to derail during transportation, and the rack is not easy to damage.)
1. The utility model provides a high accuracy wheel set location transfer mechanism of railway vehicle production usefulness which characterized in that: comprises a linear moving device (1), a synchronizing device (2) and a wheel pair positioning device, wherein the wheel pair positioning device comprises a moving mechanism (3), the device comprises a buffer mechanism (4) and an axle positioning mechanism (5), wherein a wheel pair is placed on a rail, the axle positioning mechanism (5) is arranged on two sides of the wheel pair and is clamped with a rotating shaft of the wheel pair, the buffer mechanism (4) is arranged below the axle positioning mechanism (5), the working direction of the buffer mechanism (4) is the same as the transportation direction of the wheel pair, a moving mechanism (3) is arranged below the buffer mechanism (4) and drives the buffer mechanism (4) to move towards the wheel pair from two sides of the wheel pair, a synchronizer (2) and the moving mechanism (3) are both arranged on a linear moving device (1), the linear moving device (1) is arranged on two sides of the rail, and the transportation direction of the linear moving device (1) is the same as the transportation direction of the wheel pair;
the linear moving device (1) comprises a bottom plate (1 a), a first sliding block (1 b) and a power device (1 c), first sliding rails (1 a 1) are arranged on two sides of the bottom plate (1 a), the first sliding block (1 b) is slidably mounted on the first sliding rails (1 a 1), vertical plates (1 b 1) extending vertically and upwards are arranged on two sides of the first sliding block (1 b), horizontal plates (1 b 2) extending horizontally and outwards are arranged on two sides of the vertical plates (1 b 1), the power device (1 c) is mounted on the first sliding block (1 b) and located between the two vertical plates (1 b 1), synchronizing devices (2) are respectively mounted on the two horizontal plates (1 b 2), and a moving mechanism (3), a buffering mechanism (4) and a shaft positioning mechanism (5) are mounted at the top ends of the vertical plates (1 b 1);
the synchronous device (2) comprises a first induction mechanism (2 a) and a second induction mechanism (2 b), the first induction mechanism (2 a) and the second induction mechanism (2 b) are bilaterally symmetrical in structure, the first induction mechanism (2 a) is installed on two horizontal plates (1 b 2) respectively, the two horizontal plates (1 b 2) are located on the same side of the axis of the wheel pair, and the second induction mechanism (2 b) is installed on the two horizontal plates (1 b 2) on the other side of the axis of the wheel pair;
the first sensing mechanism (2 a) comprises a sensor (2 a 1), a sensing plate (2 a 2) and a microprocessor (2 a 3), the sensor (2 a 1) is installed on one horizontal plate (1 b 2), the sensing plate (2 a 2) is installed on the other horizontal plate (1 b 2), the working end of the sensor (2 a 1) is vertically arranged towards the other horizontal plate (1 b 2), the sensing plate (2 a 2) is arranged beside the sensing area of the sensor (2 a 1), the microprocessor (2 a 3) fixedly installed on the horizontal plate (1 b 2) is arranged beside the sensor (2 a 1), and the sensor (2 a 1) and the power device (1 c) are both electrically connected with the microprocessor (2 a 3);
an alarm (2 a 5) fixedly arranged on the horizontal plate (1 b 2) is arranged beside the microprocessor (2 a 3), and the microprocessor (2 a 3) is electrically connected with the alarm (2 a 5);
the moving mechanism (3) comprises a first sliding table (3 a) and a linear driving device (3 b) installed below the first sliding table (3 a), the first sliding table (3 a) is installed at the top end of a vertical plate (1 b 1), the linear driving device (3 b) is fixedly installed at the side of the vertical plate (1 b 1), the first sliding table (3 a) comprises a second sliding rail (3 a 1), a second sliding block (3 a 2) and a driving block (3 a 3), the second sliding rail (3 a 1) is installed at the top ends of two vertical plates (1 b 1) respectively, the transmission direction of the second sliding rail (3 a 1) is horizontally arranged towards a wheel set, the second sliding block (3 a 2) is installed on the second sliding rail (3 a 1) in a sliding mode, the second sliding block (3 a 2) straddles over the two vertical plates (1 b 1), the driving block (3 a 3) extends downwards from the bottom end of the second sliding block (3 a 2), and the output end of the linear driving block (3 b 3) is fixedly connected with the driving block (3 a) 3b 3), the output direction of the linear driving device (3 b) is horizontally arranged towards the wheel pair;
the buffer mechanism (4) comprises a second sliding table (4 a) and elastic parts (4 b) arranged on two sides of the second sliding table (4 a), the second sliding table (4 a) comprises a first guide post (4 a 1) and a third sliding block (4 a 2), the first guide post (4 a 1) is embedded in the second sliding block (3 a 2), the third sliding block (4 a 2) is slidably arranged on the first guide post (4 a 1), the first guide post (4 a 1) is perpendicular to the second sliding rail (3 a 1), the top surface of the third sliding block (4 a 2) is higher than the top surface of the second sliding block (3 a 2), the fixed end of the elastic part (4 b) is arranged on two sides of the second sliding block (3 a 2), the output end of the elastic part (4 b) penetrates through the second sliding block (3 a 2) and abuts against the side surface of the third sliding block (4 a 2), and the shaft positioning mechanism (5) is fixedly arranged on the third sliding block (4 a 2).
2. The high-precision wheel set positioning and transferring mechanism for railway vehicle production according to claim 1, wherein: a row of probes (2 a 4) are arranged on one side of the sensing plate (2 a 2) far away from the sensing area of the sensor (2 a 1), and the probes (2 a 4) are arranged in parallel along the moving direction of the first sliding block (1 b).
3. The high-precision wheel set positioning and transferring mechanism for railway vehicle production according to claim 2, wherein: the shaft positioning mechanism (5) comprises a first positioning wheel (5 a), a second positioning wheel (5 b) and an opposite moving device (5 c), the opposite moving device (5 c) is fixedly arranged on a third sliding block (4 a 2), the working end of the opposite moving device (5 c) faces the wheel set, the first positioning wheel (5 a) and the second positioning wheel (5 b) are arranged at the working end of the opposite moving device (5 c) and driven by the opposite moving device (5 c) to move oppositely, and the first positioning wheel (5 a) and the second positioning wheel (5 b) are bilaterally symmetrical in structure.
4. The high-precision wheel set positioning and transferring mechanism for railway vehicle production according to claim 3, wherein: first positioning wheel (5 a) is including roller bracket (5 a 1), and roller bracket (5 a 1) both sides are provided with the vertical C type support that upwards extends, and the opening of this C type support is towards the wheel pair setting, and first gyro wheel (5 a 2) and second gyro wheel (5 a 3) are installed respectively to the upper and lower both ends of C type support, and first gyro wheel (5 a 2) and second gyro wheel (5 a 3) level set up and are located the upper and lower both sides of wheel pair axis respectively.
5. The high-precision wheel set positioning and transferring mechanism for railway vehicle production according to claim 4, wherein: the shaft positioning mechanism (5) further comprises a guide mechanism (5 d), the guide mechanism (5 d) comprises a second guide post (5 d 1) and two fourth sliding blocks (5 d 2), the second guide post (5 d 1) is horizontally arranged on one side, facing the wheel pair, of the second sliding block (3 a 2) and is parallel to the first guide post (4 a 1), the fourth sliding block (5 d 2) is slidably arranged on the second guide post (5 d 1), and the fourth sliding blocks (5 d 2) are in one-to-one correspondence with the first positioning wheel (5 a) and the second positioning wheel (5 b) and are fixedly connected with the first positioning wheel (5 a) and the second positioning wheel (5 b).
Technical Field
The invention relates to the technical field of railway production equipment, in particular to a high-precision wheel set positioning and transferring mechanism for railway vehicle production.
Background
The safety of railway transportation is related to the big matters of the nation-minded citizens, and the railway wheel pair is directly closely related to the safety of railway transportation. In the production and maintenance process of railway vehicles, the operation procedures of the railway wheel pairs are more, the professional equipment is diversified, how to actually and effectively position the wheel pairs relates to the quality of various operations of the wheel pairs, and especially how to accurately, safely and stably move the wheel pairs to the next operation procedure on a wheel pair and related accessory production and assembly line becomes a problem which is urgently solved by enterprises providing non-standard equipment for railways.
Chinese patent CN108726119A discloses a wheel set positioning mechanism for equipment on a railway production maintenance line, relating to the technical field of railway maintenance equipment. The invention comprises a base, a sliding base and a positioning horizontal moving base; the base is connected with the sliding base in a sliding manner through a sliding guide rail and a guide rail sliding block; the sliding base is connected with the positioning horizontal moving base in a sliding way through a transverse guide rail and a guide rail sliding base; the base is in meshing transmission with a motor on the sliding base through a high-precision rack; the cylinder on the sliding base controls the sliding of the positioning horizontal moving seat; the limiting device comprises a hinged support; the bottom of the hinged support is provided with an installation plate; one side surface of the mounting plate is matched with a limiting block on the positioning horizontal moving seat; the hinged support is rotatably connected with a positioning wheel. The wheel set positioning mechanism has the advantages of convenience in carrying, high working efficiency and labor cost reduction.
The wheel set positioning mechanism disclosed in this patent has the following drawbacks:
1. two sets of sliding bases working synchronously are adopted, once one set of sliding bases stops immediately after a fault occurs, the other set of sliding bases continues to advance, so that the wheel pair flies out of the positioning horizontal moving base, and the two sets of sliding bases are very dangerous;
2. when the distance of the positioning wheel is too far, the wheel set can roll on the positioning horizontal moving seat for a long distance, when the positioning horizontal moving seat stops moving, the wheel set can continue to roll under the action of inertia and then hits the positioning wheel, the rack is damaged if the year is too long, and the service life is short;
3. aiming at the problem that the wheel pair can deviate and derail in the process of sliding on the track, a corresponding protection mechanism is not provided.
To address the above deficiencies, a need exists for a high precision wheel set positioning and transferring mechanism that can address the above problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a high-precision wheel set positioning and transferring mechanism for railway vehicle production, the speed of two sets of linear moving devices of the mechanism can be automatically adjusted, when one set of linear moving device has serious faults, the other set of linear moving device can also stop working along with the linear moving device, and simultaneously gives out an alarm, during transportation, the wheel set is clamped in the middle through four rollers to limit the radial movement of the wheel set, so that the wheel set is not easy to derail, and the two sides of the shaft positioning mechanism of the wheel set are provided with buffer mechanisms, so that the linear moving devices can be protected from being damaged under the inertia impact of the wheel set.
The invention discloses a high-precision wheel set positioning and transferring mechanism for railway vehicle production, which comprises a linear moving device, a synchronizing device and a wheel set positioning device, wherein the wheel set positioning device comprises a moving mechanism, a buffer mechanism and a shaft positioning mechanism, the wheel set is placed on a rail, the shaft positioning mechanism is arranged on two sides of the wheel set and is clamped with a rotating shaft of the wheel set, the buffer mechanism is arranged below the shaft positioning mechanism, the working direction of the buffer mechanism is the same as the transportation direction of the wheel set, the moving mechanism is arranged below the buffer mechanism and drives the buffer mechanism to move towards the wheel set from two sides of the wheel set, the synchronizing device and the moving mechanism are both arranged on the linear moving device, the linear moving device is arranged on two sides of the rail, and the transportation direction of the linear moving device is the same as the transportation direction of the;
the linear moving device comprises a bottom plate, a first sliding block and a power device, wherein first sliding rails are arranged on two sides of the bottom plate, the first sliding block is slidably mounted on the first sliding rails, vertical plates extending upwards are arranged on two sides of the first sliding block, horizontal plates extending horizontally outwards are arranged on two sides of each vertical plate, the power device is mounted on the first sliding block and located between the two vertical plates, a synchronizing device is mounted on the two horizontal plates respectively, and a moving mechanism, a buffer mechanism and a shaft positioning mechanism are mounted on the top ends of the vertical plates.
Preferably, the linear moving device further comprises a rack arranged above the bottom plate and located between the two first sliding rails, the power device comprises a rotary driving device and a gear arranged on an output shaft of the rotary driving device, and the gear is meshed with the rack.
Preferably, the synchronizing device comprises a first sensing mechanism and a second sensing mechanism, the first sensing mechanism and the second sensing mechanism are bilaterally symmetrical in structure, the first sensing mechanism is installed on two horizontal plates respectively, the two horizontal plates are located on the same side of the axis of the wheel pair, and the second sensing mechanism is installed on the two horizontal plates on the other side of the axis of the wheel pair;
first response mechanism is including sensor, tablet and microprocessor, and the sensor is installed on one of them horizontal plate, and the tablet is installed on another horizontal plate, and the horizontal plate setting of the perpendicular orientation opposite side of work end of sensor, tablet setting are at the response region side of sensor, and the side of sensor is provided with the microprocessor of fixed mounting on the horizontal plate, and sensor and power device all with microprocessor electric connection.
Preferably, one side of the sensing plate, which is far away from the sensing area of the sensor, is provided with a row of probes, and the probes are arranged in parallel along the moving direction of the first sliding block.
Preferably, the alarm fixedly installed on the horizontal plate is arranged beside the microprocessor, and the microprocessor is electrically connected with the alarm.
Preferably, the moving mechanism comprises a first sliding table and a linear driving device installed below the first sliding table, the first sliding table is installed on the top of a vertical plate, the linear driving device is fixedly installed on the side of the vertical plate, the first sliding table comprises a second sliding rail, a second sliding block and a driving block, the second sliding rail is installed on the top of the two vertical plates respectively, the transmission direction level of the second sliding rail is arranged towards the wheel set, the second sliding block is installed on the second sliding rail in a sliding mode, the second sliding block straddles over the two vertical plates, the driving block extends downwards from the bottom end of the second sliding block, the output end of the linear driving device is fixedly connected with the driving block, and the output direction level of the linear driving device is arranged towards the wheel set.
Preferably, the buffer mechanism comprises a second sliding table and elastic parts arranged on two sides of the second sliding table, the second sliding table comprises a first guide pillar and a third sliding block, the first guide pillar is embedded in the second sliding block, the third sliding block is slidably arranged on the first guide pillar, the first guide pillar is perpendicular to the second sliding rail, the top surface of the third sliding block is higher than the top surface of the second sliding block, the fixed end of the elastic part is arranged on two sides of the second sliding block, the output end of the elastic part penetrates through the second sliding block and abuts against the side surface of the third sliding block, and the shaft positioning mechanism is fixedly arranged on the third sliding block.
Preferably, the shaft positioning mechanism comprises a first positioning wheel, a second positioning wheel and an opposite moving device, the opposite moving device is fixedly mounted on the third sliding block, the working end of the opposite moving device faces the wheel pair, the first positioning wheel and the second positioning wheel are mounted at the working end of the opposite moving device and driven by the opposite moving device to move oppositely, and the first positioning wheel and the second positioning wheel are bilaterally symmetrical.
Preferably, first locating wheel is including the gyro wheel support, and gyro wheel support both sides are provided with the vertical C type support that upwards extends, and the opening of this C type support sets up towards the wheel pair, and first gyro wheel and second gyro wheel are installed respectively to the upper and lower both ends of C type support, and first gyro wheel and second gyro wheel level set up and lie in the upper and lower both sides of wheel pair axis respectively.
Preferably, the shaft positioning mechanism further comprises a guide mechanism, the guide mechanism comprises a second guide pillar and two fourth sliding blocks, the second guide pillar is horizontally installed on one side, facing the wheel pair, of the second sliding block and is parallel to the first guide pillar, the fourth sliding blocks are slidably installed on the second guide pillar, and the fourth sliding blocks are in one-to-one correspondence with the first positioning wheels and the second positioning wheels and are fixedly connected with the first positioning wheels and the second positioning wheels.
Has the advantages that:
the method comprises the following steps that a worker places a wheel pair on a rail, then linear moving devices on two sides of the rail drive wheel pair positioning devices to move below the wheel pair, and then moving mechanisms drive opposite moving devices to move towards the wheel pair from two sides of the wheel pair;
the opposite moving device drives the first positioning wheel and the second positioning wheel to move in opposite directions, and the four idler wheels are abutted against the rotating shaft of the wheel pair, so that the radial movement of the wheel pair in any direction from top to bottom and from left to right is limited, and the wheel pair is prevented from jumping out of a track due to vibration in the process of rolling forward;
after the wheel set is positioned, the servo motor is started to drive the first sliding block to slide on the bottom plate, so that the shaft positioning mechanism is driven to clamp the wheel set to move forwards;
when the moving speeds of the two first sliding blocks are different, one first sliding block leads or lags relative to the other first sliding block, so that the induction plate moves into an induction area of the sensor, the sensor detects that the induction plate sends a signal to the microprocessor, the microprocessor sends a signal to the servo motor, and the servo motor is controlled to accelerate or decelerate, so that the two first sliding blocks are aligned again;
when sharp mobile device takes place the serious breakdown, only rely on microprocessor drive servo motor to accelerate when unable solution problem, one of them first slider will lag behind by a wide margin, lead to tablet and probe to pass through the induction zone of sensor in proper order, when the induction zone of one row of probe through sensor, the sensor sends a series of high frequency signal to microprocessor, microprocessor signals simultaneously gives servo motor, make the servo motor stop work simultaneously of wheel pair both sides, microprocessor also sends out the signal and gives the siren simultaneously, the siren gives the police dispatch newspaper, remind the staff to notice dodge and inform the engineer and overhaul before.
1. The speeds of the two linear moving devices can be automatically adjusted, so that the sliding blocks on the two sides of the rail always move synchronously;
2. when one set of linear moving device has serious faults, the other set of linear moving device stops working along with the serious faults and gives an alarm;
3. the wheel pair is clamped in the middle through four rollers to limit the radial movement of the wheel pair, so that the wheel pair is not easy to derail;
4. the two sides of the shaft positioning mechanism of the wheel pair are provided with the buffer mechanisms, so that the linear moving device can be protected from being damaged under the inertia impact of the wheel pair;
5. the distance drop of the two first sliding blocks in the moving process can be compensated by automatically adjusting the output lengths of the two elastic components on the same side of the axis of the wheel pair, so that the precision requirement on the rack is reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a perspective view of an embodiment;
FIG. 2 is a top view of the embodiment;
FIG. 3 is a perspective view of a portion of the first embodiment;
FIG. 4 is a perspective view of a second embodiment of the present invention;
FIG. 5 is a top view of a portion of the structure of the embodiment;
FIG. 6 is an exploded perspective view of the linear motion device according to the embodiment;
FIG. 7 is a diagram illustrating an exemplary operating state of a synchronization apparatus;
FIG. 8 is a partial enlarged view of the embodiment of FIG. 7 at A;
FIG. 9 is an exploded perspective view of the wheelset alignment assembly of the embodiment;
fig. 10 is a further exploded perspective view of the wheelset locating apparatus of the embodiment;
description of reference numerals:
linear
Detailed Description
In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the invention. That is, in some embodiments of the invention, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1 to 10, the high-precision wheel set positioning and transferring mechanism for railway vehicle production comprises a linear moving
the linear moving
The worker places the wheel pair on the rail, then the linear moving
The linear moving
The rotary driving device comprises a servo motor 1c1 and a speed reducer 1c2, the servo motor 1c1 is in transmission connection with a gear 1c3 through the speed reducer 1c2, the servo motor 1c1 is fixedly installed on the first sliding
The
the
the
The sensor 2a1 is a light sensor, the sensor 2a1 is used for detecting whether the sensing plate 2a2 is located right in front of the sensor 2a1, normally, the sensing plate 2a2 is located beside the sensing area of the sensor 2a1, when one of the
The side of the sensing plate 2a2 away from the sensing area of the sensor 2a1 is provided with a row of probes 2a4, and the probes 2a4 are arranged in parallel along the moving direction of the
When the linear moving
The alarm 2a5 fixedly mounted on the horizontal plate 1b2 is disposed beside the microprocessor 2a3, and the microprocessor 2a3 is electrically connected to the
When the
The moving
The
The
The
The
The opposite moving
The
The
The
The second guide post 5d1 and the fourth slider 5d2 are used for restricting the
The working principle is as follows:
the worker places the wheel pair on the rail, then the linear moving
the opposite moving
after the wheel set is positioned, the servo motor 1c1 starts to drive the first sliding
when the two first sliding
when a serious fault occurs in the linear moving
The slight front-rear distance drop in the moving process of the two first sliding
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
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