CN210762775U - Rail electric flat car - Google Patents
Rail electric flat car Download PDFInfo
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- CN210762775U CN210762775U CN201921789659.4U CN201921789659U CN210762775U CN 210762775 U CN210762775 U CN 210762775U CN 201921789659 U CN201921789659 U CN 201921789659U CN 210762775 U CN210762775 U CN 210762775U
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- electric flat
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Abstract
The utility model relates to a there is rail electronic flatcar, this there is rail electronic flatcar includes automobile body frame and front drive axle, front drive axle includes differential mechanism and is connected the semi-axis in order to drive the front wheel motion of rail electronic flatcar with differential mechanism, differential mechanism is connected with driving motor, be equipped with the slewing bearing seat that is used for bearing automobile body frame front end middle part on the front drive axle, slewing bearing before being equipped with between slewing bearing seat and the automobile body frame, be equipped with two rear wheel seats on the automobile body frame, there is rail electronic flatcar two rear wheels all rotate the assembly on the rear wheel seat, all be equipped with the back slewing bearing who rotates the axis along vertical direction between two rear wheel seats and the automobile body frame, automobile body frame is supported by preceding slewing bearing and two back slewing bearing three strong points of slewing bearing. When the trolley turns on the track, and the vehicle body frame deviates relative to the wheels and the track, the triangular support formed by the three support points is more stable, so that the risk of overturning the vehicle body frame is greatly reduced, and the trolley can turn more stably.
Description
Technical Field
The utility model relates to a there is electronic flatcar of rail.
Background
At present, in a domestic ferromolybdenum smelting workshop, a ferromolybdenum smelting electric flat car and an annular rail jointly form a transportation system of a smelting furnace, and the technological processes of charging, ferromolybdenum smelting, deslagging and tapping of the ferromolybdenum smelting furnace are realized in the process that the ferromolybdenum smelting electric flat car moves on the annular rail.
The utility model discloses a chinese utility model patent that the bulletin number of authorizing is CN208393359U, the date of authorizing is 2019.01.18 discloses a wiping line turning electric flat carriage that can adapt to annular smelting production line, this electric flat carriage includes two sets and turns to rotary system and one set of action wheel differential speed reduction system, two action wheels of dolly form the driving wheel axle through one set of differential speed reduction system connection, two follower wheels of dolly form driven wheel axle through a axletree connection, driving wheel axle and driven wheel axle respectively have one set and turn to rotary system, two sets turn to rotary system and all connect on body frame through the slewing bearing, slewing bearing's inner circle is connected on body frame, slewing bearing's outer lane is connected on turning to rotary system.
It can thus be seen that there is a turntable bearing between the front two wheels of the trolley for supporting the body frame, and a turntable bearing between the rear two wheels of the trolley for supporting the body frame, i.e. the body frame of the trolley is supported by the front and rear turntable bearings. This type of support provides a two-point support in the fore-and-aft direction, and therefore, when the vehicle body frame is displaced relative to the wheels and the rails when the vehicle is turning on a circular rail, the two-point support is not stable, which results in a greater risk of the vehicle body frame overturning.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a remove stably, be difficult for taking place the rail electric flat carriage that topples to solve the technical problem that the dolly easily takes place to topple among the prior art.
In order to achieve the above purpose, the utility model discloses a there is electronic flatcar of rail adopts following technical scheme:
a track powered flat car comprising:
a vehicle body frame;
further comprising:
the front drive axle comprises a differential mechanism and a half shaft connected with the differential mechanism to drive the front wheels of the rail electric flat car to move;
the driving motor is in transmission connection with the differential mechanism;
the rotary supporting seat is arranged on the front drive axle and is used for bearing the middle part of the front end of the vehicle body frame;
the front slewing bearing is arranged between the slewing support seat and the vehicle body frame, and the rotation axis of the front slewing support is along the vertical direction;
the rail electric flat carriage comprises a carriage body frame, a rail electric flat carriage and a rail electric flat carriage, wherein two rear wheel seats are arranged on the carriage body frame, and the two rear wheels of the rail electric flat carriage are respectively and rotatably assembled on the left rear wheel seat and the right rear wheel seat;
the rear slewing bearing is arranged between the rear wheel seat and the vehicle body frame, and the rotation axis of the rear slewing bearing is along the vertical direction;
the vehicle body frame is supported by three supporting points of a front slewing bearing and two rear slewing bearings.
Has the advantages that: because the car body frame is supported by the front slewing bearing and the two rear slewing bearings through the three supporting points, the supporting points of the three slewing bearings on the car body frame can form a triangle, so that when the trolley turns on the track, and the car body frame deviates relative to the wheels and the track, the triangle formed by the three supporting points is more stable in supporting, the risk of overturning the car body frame is greatly reduced, and the trolley can turn more stably.
Furthermore, the rotary supporting seat is a rotary table, and the inner ring of the front rotary support is fixed on the rotary table.
Has the advantages that: the outer ring of the front slewing bearing is fixed on the vehicle body frame, the inner ring is fixed on the turntable, and the fixing structure is simple.
Furthermore, the driving motor is hung on the turntable.
Has the advantages that: the fixing installation of the driving motor is convenient.
Furthermore, two front bearing seats are arranged on two axial sides of the front wheel, a bearing is arranged between the half shaft fixed with the front wheel and the two front bearing seats, and the two front bearing seats are fixed on the rotary supporting seat.
Has the advantages that: when the trolley turns, the axle bending moment between the two front wheels is distributed to the bearing seats on the two sides of the front wheels, so that the axle is stressed in balance, axial component force cannot occur, the axle is kept unchanged after being used for a long time, and the service life of the axle is prolonged.
Furthermore, two rear bearing seats are arranged on two axial sides of the rear wheel and fixed on the rear wheel seat.
Has the advantages that: the rear bearing seat can rotate and deviate relative to the car body frame along with the rear wheel and the rear wheel seat, and the rear wheel of the rail electric flat car can conveniently follow the rail to deflect.
Furthermore, the differential mechanism is hoisted below the rotary supporting seat, and two output shafts of the differential mechanism are respectively connected with the two half shafts through couplings.
Has the advantages that: the differential is convenient to mount and fix.
Furthermore, a rear guide device used for being matched with the rail in a guide mode along the extending direction of the rail is arranged on the rear side of the rear wheel seat, the rear guide device comprises paired rear guide wheels used for being matched with the vertical side faces of the rail in a rolling mode, and the paired rear guide wheels are used for being arranged on two opposite sides of the rail.
Has the advantages that: when the trolley turns, the rear wheels are ensured to roll on the track stably.
Furthermore, two front guide devices which are respectively arranged at the front sides of the two front wheels are arranged on the rotary supporting seat, and each front guide device comprises a front guide wheel which is used for being in rolling fit with the vertical side surface of the track; the front guide wheels of one front guide device are arranged on the left side of the corresponding track, and the front guide wheels of the other front guide device are arranged on the right side of the corresponding track, so that the two tracks corresponding to the two front guide devices are positioned between the front guide wheels of the two front guide devices, or the front guide wheels of the two front guide devices are positioned between the two tracks corresponding to the two front guide devices.
Has the advantages that: when the trolley turns, the front wheels and the track are prevented from generating friction laterally, and the stability of the trolley during turning is improved.
Furthermore, be equipped with two preceding guider that are in two front wheel fronts respectively on the gyration supporting seat, preceding guider includes that mated be used for with the vertical side roll complex of track preceding leading directive wheel, two mated preceding directive wheels are used for setting up in orbital both sides that carry on the back mutually.
Has the advantages that: when the trolley turns, the front wheels are ensured to roll on the track stably.
Further, the two rear wheels are arranged in a staggered manner in the front-rear direction.
Has the advantages that: because the wheel track of the inner side and the wheel track of the outer side are different during turning, the two rear wheels are arranged in a staggered manner in the front and rear directions, the wheel track of the inner side is smaller than the wheel track of the outer side, the position requirements of the four wheels of the trolley during turning are met, the reduction of the torsion angle of the single rear wheel is facilitated, and the turning stability of the trolley is improved.
Drawings
Fig. 1 is a schematic view of a rail-guided electric flat carriage according to an embodiment 1 of the present invention in a turning state;
FIG. 2 is a schematic structural view of the body frame of FIG. 1;
FIG. 3 is a schematic structural view of a rail-bound electric flat car;
fig. 4 is a cross-sectional view of a front drive axle of a rail-bound electric flat car according to embodiment 1 of the present invention;
FIG. 5 is a schematic view of the front bearing block and front wheel assembly of FIG. 4;
fig. 6 is a schematic structural view of a front wheel and a front drive axle of a rail-guided electric flat carriage according to embodiment 1 of the present invention;
FIG. 7 is a top view of FIG. 6;
FIG. 8 is a schematic structural view of the rear guide;
FIG. 9 is a schematic structural view of a front guide device;
FIG. 10 is a front view of FIG. 9;
fig. 11 is a top view of a rail-guided electric flat carriage according to embodiment 1 of the present invention.
In the figure: 1-a car body frame, 2-a circular track, 3-a front drive axle, 4-a front slewing bearing, 5-a drive motor, 6-a front wheel, 7-a front bearing seat, 8-a rear wheel seat, 9-a rear wheel, 10-a rear slewing bearing, 11-a front slewing bearing mounting hole, 12-a rear slewing bearing mounting hole, 14-a differential, 17-a front axle bracket, 18-a motor bracket, 191-a left half shaft, 192-a right half shaft, 20-a coupler, 21-a switching shaft tube, 22-a turntable, 23-a rear guide wheel, 24-a rear guide wheel mounting rack, 25-a front guide wheel, 26-a front guide wheel mounting rack and 27-a track sweeping plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The features and properties of the present invention are described in further detail below with reference to examples.
The utility model discloses a specific embodiment 1 of there is electronic flatcar of rail:
as shown in fig. 1 to 11, the rail electric flat car includes a car body frame 1, the car body frame 1 is used for bearing a heavy object, the rail electric flat car further includes a front driving axle 3, two front wheels 6 are connected to two ends of the front driving axle 3, the front driving axle 3 includes a differential 14 and half shafts connected to two differential output shafts of the differential, the two front wheels 6 are respectively fixed to the two half shafts, wherein a left half shaft 191 is fixed to the differential output shaft through a coupling 20, a right half shaft 192 is fixed to the differential output shaft through an adapter shaft tube 21, the right half shaft 192 is fixed to the adapter shaft tube 21 through the coupling 20, and the differential output shaft and the adapter shaft tube are also fixed through the coupling 20. The differential 14 is in transmission connection with a driving motor 5, and under the driving of the driving motor 5, the differential 14 drives the two half shafts to rotate, so that the two front wheels 6 are driven.
The middle part of front drive axle 3 is provided with front axle support 17, and fixed mounting has the gyration supporting seat that is used for bearing body frame 1 on front axle support 17, and the gyration supporting seat is carousel 22, and driving motor 5 passes through motor support 18 and hoists in carousel 22 below, and differential 14 also hoists in carousel 22 below through front axle support 17, installs the bearing between front axle support 17 and differential 14. A front slewing bearing 4 with a rotation axis along the vertical direction is arranged between the turntable 22 and the vehicle body frame 1, the inner ring of the front slewing bearing 4 is fixed on the turntable, and the outer ring of the front slewing bearing 4 is fixed on the vehicle body frame 1. A front slewing bearing mounting hole 11 for mounting to the outer ring of the front slewing bearing 4 is provided in the vehicle body frame 1 at a position corresponding to the front slewing bearing 4. The vehicle body frame 1 can be rotationally offset with respect to the front wheels 6 by the action of the front slewing bearing 4.
Front guide devices are installed on the front sides of the two front wheels, the front guide devices are structurally shown in fig. 9, the front guide devices are fixedly installed on the rotary supporting seat and comprise front guide wheels 25 and front guide wheel installation frames 26 for installing the front guide wheels 25, the front guide wheel installation frames 26 are fixedly installed on the rotary table 22, the rotating axes of the front guide wheels 25 are in the up-and-down direction, in the embodiment, the front guide wheels 25 of the front guide devices on the right side are located on the right side of the corresponding tracks, the front guide wheels 25 of the front guide devices on the left side are located on the left side of the corresponding tracks, and the two tracks are located between the front guide wheels 25 of the two front guide devices. The rail sweeping plate 27 is fixedly mounted on the front guide wheel mounting frame 26 and used for preventing the trolley from running unstably or derailing due to sundries on the rail. Because the two front wheels form a whole through the front drive axle, only the front guide wheels which are matched with the corresponding guide rails in a unilateral rolling way need to be arranged on the two front guide devices.
Two rear wheel seats 8 are further arranged on the vehicle body frame 1, and two rear wheels 9 of the rail electric flat vehicle are rotatably assembled on the rear wheel seats 8. The rear wheel seat 8 and the vehicle body frame 1 are provided with a rear slewing bearing 10 with a rotation axis along the vertical direction, the inner ring of the rear slewing bearing 10 is fixed on the rear wheel seat 8, and the outer ring of the rear slewing bearing 10 is fixed on the vehicle body frame 1. A rear slewing bearing mounting hole 12 for mounting to the outer ring of the rear slewing bearing 10 is provided in the vehicle body frame 1 at a position corresponding to the rear slewing bearing 10. The vehicle body frame 1 can be rotationally offset with respect to the rear wheel 9 by the action of the rear slewing bearing 10. In this embodiment, as shown in fig. 11, the two rear wheels 9 are arranged in a staggered manner in the front-rear direction, and if the arrangement is such that the inner and outer wheel tracks are different during turning, the two rear wheels are arranged in a staggered manner in the front-rear direction, and the inner wheel track is smaller than the outer wheel track, so that the position requirements of the four wheels of the trolley during turning are met, the reduction of the torsion angle of a single rear wheel is facilitated, and the turning stability of the trolley is improved.
The rear bearing seats are arranged on two axial sides of the two rear wheels 9 and fixedly arranged on the rear wheel seats 8, so that the rear bearing seats can rotate and shift relative to the vehicle body frame 1 along with the rear wheels and the rear wheel seats. In order to improve the stability of the trolley during turning, rear guide devices are mounted on the rear sides of the two rear wheels and mounted on a rear bearing seat, the specific structure of each rear guide device is shown in fig. 8, each rear guide device comprises two rear guide wheels 23 which are opposite from left to right and a rear guide wheel mounting frame 24 for mounting the two rear guide wheels 23, the rotating axes of the two rear guide wheels 23 are in the vertical direction, the distance between the two rear guide wheels 23 is the same as the width of a rail, when the trolley moves forwards on the annular rail, the two vertical side faces of the rail are clamped by the two rear guide wheels 23 from the left side and the right side and roll forwards along the left vertical side face and the right vertical side face of the rail, and the rear guide wheels 23 ensure that the rear wheels of the trolley roll forwards on the rail stably all the time. The upper page of the rear guide wheel mounting frame 24 is fixedly provided with a rail sweeping plate 27 for preventing the trolley from running unstably or derailing due to sundries on the rail. Because the rear wheel all is provided with solitary back slewing bearing, does not have the connection between two rear wheels, consequently in order to guarantee the stability that the rear wheel rolled on the track, need all set up the rear guide wheel in the guide rail both sides that the rear wheel corresponds.
When the electric flat carriage with rails moves on the circular track 2, the driving motor 5 drives the two front wheels 6 to roll on the track 2, the front wheels 6 are used as driving wheels, the rear wheels 9 are used as driven wheels, and therefore the two rear wheels 9 also roll on the track 2. Under the effect of differential 14, two front wheels 6 make the speed of the interior wheel of front slow, the speed of the preceding foreign steamer is fast, and two rear wheels 9 make the speed of the interior wheel of back and the speed of the foreign steamer slow respectively with become outward under two front wheel 6's drive, and like this, two front wheels 6 and two rear wheels 9 all can follow the crooked radian of ring rail 2 and move in step. At this time, because the front wheels 6 and the rear wheels 9 move and deflect along with the bending of the annular track 3, the vehicle body frame 1, the front wheels 6 and the rear wheels 9 rotate and deflect, but the vehicle body frame 1 is supported by three supporting points, namely a front slewing bearing 4 and two rear slewing bearings 10, and the three supporting points just form a stable triangular supporting structure, so that the supporting stability of the vehicle body frame 1 is greatly improved, the risk of overturning the vehicle body frame is reduced, and the trolley can turn more stably.
In other embodiments, the inner ring of the front slewing bearing may be fixed to the body frame and the outer ring fixed to the turntable.
In other embodiments, the inner ring of the rear slewing bearing may be fixed to the body frame and the outer ring fixed to the rear wheel seat.
In other embodiments, the two rear wheels are coaxially disposed in the left-right direction.
In other embodiments, the front drive axle may be provided with an axle housing, and the drive motor may be provided on the axle housing.
In other embodiments, the front bearing seat may be provided only on one axial side of the front wheel.
In other embodiments, the rear bearing seat may be provided only on one axial side of the rear wheel.
In other embodiments, the front guide wheel of the front guide device on the right side is on the left side of the corresponding track, the front guide wheel of the front guide device on the left side is on the right side of the corresponding track, and the two front guide wheels are between the two tracks. Alternatively, each front guide device comprises a pair of front guide wheels, and the pair of front guide wheels of each front guide device are respectively positioned on two opposite sides of the corresponding track.
In other embodiments, when the requirement on the vehicle speed is not high and the requirement on the stability is not high, the rear guide device or the front guide device may not be provided.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A track powered flat car comprising:
a vehicle body frame;
it is characterized by also comprising:
the front drive axle comprises a differential mechanism and a half shaft connected with the differential mechanism to drive the front wheels of the rail electric flat car to move;
the driving motor is in transmission connection with the differential mechanism;
the rotary supporting seat is arranged on the front drive axle and is used for bearing the middle part of the front end of the vehicle body frame;
the front slewing bearing is arranged between the slewing support seat and the vehicle body frame, and the rotation axis of the front slewing support is along the vertical direction;
the rail electric flat carriage comprises a carriage body frame, a rail electric flat carriage and a rail electric flat carriage, wherein two rear wheel seats are arranged on the carriage body frame, and the two rear wheels of the rail electric flat carriage are respectively and rotatably assembled on the left rear wheel seat and the right rear wheel seat;
the rear slewing bearing is arranged between the rear wheel seat and the vehicle body frame, and the rotation axis of the rear slewing bearing is along the vertical direction;
the vehicle body frame is supported by three supporting points of a front slewing bearing and two rear slewing bearings.
2. The rail-bound electric flat car according to claim 1, characterized in that the rotary support is a turntable, on which the inner ring of the front rotary support is fixed.
3. The rail powered flat car of claim 2, wherein the drive motor is mounted on a turntable.
4. A rail-bound electric flat carriage according to claim 1, 2 or 3, characterized in that two front bearing seats are arranged on both axial sides of the front wheel, and a bearing is arranged between the half shaft fixed with the front wheel and the two front bearing seats, and the two front bearing seats are fixed on the rotary supporting seat.
5. A rail-bound electric flat carriage according to claim 1, 2 or 3, characterized in that two rear bearing blocks are arranged on both axial sides of the rear wheel, which rear bearing blocks are fixed to the rear wheel seats.
6. A rail-bound electric flat carriage according to claim 1, 2 or 3, characterized in that the differential is suspended below the rotary support, and two output shafts of the differential are respectively connected with two half shafts through couplings.
7. A rail-bound electric flat carriage according to claim 1, 2 or 3, characterized in that the rear side of the rear wheel seat is provided with rear guide means for guiding engagement with the rail in the extension direction of the rail, the rear guide means comprising pairs of rear guide wheels for rolling engagement with the vertical sides of the rail, the pairs of two rear guide wheels being intended to be arranged on opposite sides of the rail.
8. A rail-bound electric flat carriage according to claim 1, 2 or 3, characterized in that the rotary supporting seat is provided with two front guide devices respectively arranged at the front sides of the two front wheels, and the front guide devices comprise front guide wheels for rolling fit with the vertical side surfaces of the rails; the front guide wheels of one front guide device are arranged on the left side of the corresponding track, and the front guide wheels of the other front guide device are arranged on the right side of the corresponding track, so that the two tracks corresponding to the two front guide devices are positioned between the front guide wheels of the two front guide devices, or the front guide wheels of the two front guide devices are positioned between the two tracks corresponding to the two front guide devices.
9. A rail-bound electric flat carriage according to claim 1, 2 or 3, characterized in that the rotary support base is provided with two front guide devices respectively arranged at the front sides of the two front wheels, each front guide device comprises a pair of front guide wheels for rolling engagement with the vertical side of the rail, and the two front guide wheels are arranged at the opposite sides of the rail.
10. A rail-bound electric flat carriage according to claim 1, 2 or 3, characterized in that the two rear wheels are arranged offset in the front-rear direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921789659.4U CN210762775U (en) | 2019-10-23 | 2019-10-23 | Rail electric flat car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921789659.4U CN210762775U (en) | 2019-10-23 | 2019-10-23 | Rail electric flat car |
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| Publication Number | Publication Date |
|---|---|
| CN210762775U true CN210762775U (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921789659.4U Active CN210762775U (en) | 2019-10-23 | 2019-10-23 | Rail electric flat car |
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| Country | Link |
|---|---|
| CN (1) | CN210762775U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110589393A (en) * | 2019-10-23 | 2019-12-20 | 河南科技大学 | Rail electric flat carriage |
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2019
- 2019-10-23 CN CN201921789659.4U patent/CN210762775U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110589393A (en) * | 2019-10-23 | 2019-12-20 | 河南科技大学 | Rail electric flat carriage |
| CN110589393B (en) * | 2019-10-23 | 2024-05-07 | 河南科技大学 | Rail electric flat car |
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Effective date of registration: 20210621 Address after: 276800 Zhenjiang Road, Hushan Town, Lanshan District, Rizhao City, Shandong Province Patentee after: Rizhao Ruihua New Material Technology Co.,Ltd. Address before: 471003 No. 48, Xiyuan Road, Jianxi District, Henan, Luoyang Patentee before: HENAN University OF SCIENCE AND TECHNOLOGY |