CN115230768A - Straddle type monorail engineering vehicle shaft holding frame device - Google Patents
Straddle type monorail engineering vehicle shaft holding frame device Download PDFInfo
- Publication number
- CN115230768A CN115230768A CN202211031193.8A CN202211031193A CN115230768A CN 115230768 A CN115230768 A CN 115230768A CN 202211031193 A CN202211031193 A CN 202211031193A CN 115230768 A CN115230768 A CN 115230768A
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- Prior art keywords
- bearing
- seat
- type monorail
- engineering vehicle
- groove
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- 238000009434 installation Methods 0.000 claims abstract description 25
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 2
- 239000000725 suspension Substances 0.000 claims 7
- 230000008878 coupling Effects 0.000 description 13
- 238000010168 coupling process Methods 0.000 description 13
- 238000005859 coupling reaction Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 230000003137 locomotive effect Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F5/00—Constructional details of bogies; Connections between bogies and vehicle underframes; Arrangements or devices for adjusting or allowing self-adjustment of wheel axles or bogies when rounding curves
- B61F5/50—Other details
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention relates to the technical field of straddle type monorail vehicles, and particularly discloses a shaft holding frame device for a straddle type monorail engineering vehicle. The invention can meet the narrow installation space of the straddle type monorail engineering vehicle with smaller size, realize the problem of positioning the wheel pair on the bogie and avoid the problems of wheel lateral deviation and the like.
Description
Technical Field
The invention relates to the technical field of straddle type monorail vehicles, in particular to a shaft holding frame device for a straddle type monorail engineering vehicle.
Background
The straddle type monorail passenger transport line needs to be subjected to power-off maintenance, inspection and daily maintenance at night in the daily operation process. Under the condition of power failure of a straddle type monorail line, a self-powered engineering vehicle is required to carry maintenance personnel and tools for on-line operation. The straddle type monorail engineering vehicle with power is mainly powered by an internal combustion engine at present, and the urban area where a monorail line is located is forbidden to pollute the environment by noise and waste gas at night.
The straddle type monorail line has limited line length for emergency stop and emergency danger prevention, and the personnel and tools required for line patrol are far smaller than the rated load of passenger vehicles, so that the length of the engineering vehicle is required to be as short as possible, and the weight is required to be as light as possible so as to increase the number of stops of the engineering vehicle on the emergency danger prevention or emergency stop line.
When the performance and safety conditions are met, the weight and the length of the engineering truck adopting the single-shaft bogie are far smaller than those of a multi-shaft bogie (more than two shafts), the existing axle holding frame device cannot meet the installation of related parts of the engineering truck adopting the single-shaft independent driving bogie, the problem of positioning of independent driving wheels on the bogie cannot be effectively solved, and the problems of lateral deviation of the wheels, running instability and the like are easily caused.
Disclosure of Invention
The invention aims to solve the technical problem of providing an axle bracket device for a straddle type monorail engineering vehicle, which can meet the narrow installation space of the straddle type monorail engineering vehicle with smaller size, realize the positioning problem of an independent driving wheel on a bogie, and avoid the problems of wheel lateral deviation and the like.
The solution adopted by the invention to solve the technical problem is as follows:
a shaft holding frame device for a straddle type monorail engineering vehicle comprises an upper fork, a lower cover and double fork arms, wherein the lower cover is installed in a matched mode with the upper fork and forms an installation cavity, and the double fork arms are located at the bottom of the lower cover and hinged to the lower cover.
The double-fork arm and the upper fork are used for being connected with a framework of the engineering truck, wherein the upper fork is mainly used for bearing traction force and braking force of a wheel drive on a locomotive after being connected with the framework; the coupler and the bearing of the driving system of the engineering truck are arranged in the mounting cavity, and the axial and radial movement of the bearing is limited by the mounting cavity, so that the rotation of the coupler does not interfere with the device;
in some possible embodiments, in order to effectively realize the installation of the coupler and the bearing, the upper fork is loaded;
the upper fork comprises a first positioning seat and stress arms symmetrically arranged on two sides of the first positioning seat;
the lower cover comprises a cover body which is connected with the bottom of the positioning seat and forms an installation cavity.
In some possible embodiments, in order to effectively realize the installation of the coupling and the bearing and effectively realize the movement limitation of the bearing along the radial direction thereof;
the installation cavity comprises a coupler accommodating cavity and a bearing positioning groove which is communicated with the coupler accommodating cavity and coaxially arranged.
In some possible embodiments, to effectively achieve the limitation of the axial movement of the bearing along it;
and bearing flanges are respectively arranged on the two sides of the bearing positioning groove along the axis of the bearing positioning groove.
In some of the possible embodiments, the first and second,
the first positioning seat comprises a seat body and an upper half bearing seat, wherein a first groove is formed in one side, close to the cover body, of the first positioning seat, the upper half bearing seat is connected with the seat body and is provided with a first bearing installation half groove, and the first bearing installation half groove is communicated with the first groove and is consistent in opening direction.
In some of the possible embodiments of the present invention,
the cover body comprises a cover body which is provided with a second groove and is positioned at the bottom of the seat body, and a lower half bearing seat which is arranged at the same side as the upper half bearing seat and is connected with the cover body; and the lower half bearing seat is provided with a bearing mounting half groove II which is matched with the bearing mounting half groove I to form a bearing positioning groove.
In some of the possible embodiments, the first and second,
the bearing flanges comprise an upper flange positioned on the shaft side of the upper half bearing seat and arranged along the two axial sides of the upper half bearing seat, and a lower flange positioned on the two sides of the lower bearing seat and arranged along the two axial sides of the lower bearing seat.
In some of the possible embodiments of the present invention,
the double-fork arm comprises a hinged part hinged with the bottom of the cover body and a fork arm which is connected with the hinged part and forms a splayed shape.
In some of the possible embodiments, the first and second,
the bottom of the cover body is provided with a hinged seat hinged with the hinged portion, and the hinged seat comprises two parallel supporting plates and a fastening pin which is arranged along the length direction of the stress arm and is rotatably connected with the hinged portion.
Compared with the prior art, the invention has the beneficial effects that:
the invention can effectively realize the positioning of the wheels, ensure that the wheels can walk along the walking direction and do not rotate in the lateral deviation and other directions;
the invention effectively realizes the limitation of the movement of the bearing in the radial and axial directions by arranging the bearing installation cavity and the bearing flanges, thereby realizing the positioning control of the wheel;
the invention can effectively avoid the interference with the wheel in the using process;
the invention has simple structure and strong practicability.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 isbase:Sub>A cross-sectional view taken at A-A of FIG. 3;
wherein: 21. an upper fork; 211. a first positioning seat; 212. a force-bearing arm; 22. a lower cover; 221. a cover body; 23. a double yoke; 231. a yoke; 24. a mounting cavity; 241. a coupling accommodating cavity; 242. bearing locating slot.
Detailed Description
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. Reference herein to "first," "second," and similar words, does not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Also, the use of the terms a, an, etc. do not denote a limitation of quantity, but rather denote the presence of at least one. In the implementation of the present application, "and/or" describes an association relationship of associated objects, which means that there may be three relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In the description of the embodiments of the present application, the meaning of "a plurality" means two or more unless otherwise specified. For example, the plurality of positioning posts refers to two or more positioning posts. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The present invention will be described in detail below.
As shown in fig. 1-4:
a shaft holding frame device for a straddle type monorail engineering vehicle comprises an upper fork 21, a lower cover 22 and a double-fork arm 23, wherein the lower cover 22 is installed in a matched mode with the upper fork 21 and forms an installation cavity 24, and the double-fork arm 23 is located at the bottom of the lower cover 22 and hinged to the lower cover 22.
The double-fork arm 23 and the upper fork 21 are used for being connected with a framework of the engineering truck, wherein the upper fork 21 is mainly used for bearing traction force and braking force of a wheel drive to a locomotive after being connected with the framework; a coupler and a bearing of the driving system of the engineering truck are arranged in the installation cavity 24, and the axial and radial movement of the bearing is limited through the installation cavity 24, so that the rotation of the coupler does not interfere with the device;
in some possible embodiments, in order to effectively implement the mounting of the coupling and the bearing, the upper fork 21 is subjected to a load;
the upper fork 21 comprises a first positioning seat 211 and stress arms 212 symmetrically arranged at two sides of the first positioning seat 211;
the lower cover 22 includes a cover 221 connected to the bottom of the first positioning seat 211 and forming the mounting cavity 24.
The force receiving arm 212 is provided with a positioning hole, and the upper fork 21 is connected with a connecting seat arranged at the top of the framework through the positioning hole to realize fixation.
In some possible embodiments, in order to effectively realize the installation of the coupler and the bearing and effectively realize the movement limitation of the bearing along the radial direction of the bearing;
the installation cavity 24 includes a coupling accommodating cavity 241, and a bearing positioning groove 242 communicated with and coaxially disposed with the coupling accommodating cavity 241.
The shaft coupling is located shaft coupling accommodation cavity 241, and the size that shaft coupling accommodation cavity 241 is greater than the size of shaft coupling, and when using, the rotation of embracing the pedestal device and the rotation mutually noninterfere of shaft coupling.
In some possible embodiments, to effectively achieve the limitation of the axial movement of the bearing along it;
bearing ribs are respectively arranged on two sides of the bearing positioning groove 242 along the axis of the bearing positioning groove.
In some of the possible embodiments, the first and second,
the first positioning seat 211 comprises a seat body with a first groove arranged on one side close to the cover 221, and an upper half bearing seat connected with the seat body and provided with a first bearing installation half groove, wherein the first bearing installation half groove is communicated with the first groove and has the same opening direction.
In some of the possible embodiments, the first and second,
the cover body 221 comprises a cover body which is provided with a second groove and is positioned at the bottom of the seat body, and a lower half bearing seat which is arranged at the same side of the upper half bearing seat and is connected with the cover body; and the lower half bearing seat is provided with a bearing mounting half groove II which is matched with the bearing mounting half groove I to form a bearing positioning groove 242.
The first groove and the second groove are matched with each other to form a coupling accommodating cavity 241, an opening is formed in one side, close to the gear box, of the first groove, and the coupling can be located in the coupling accommodating cavity 241 through the opening;
the first bearing installation groove and the second bearing installation half groove are mutually matched to form a bearing positioning groove 242, the bearing positioning groove 242 is communicated with the coupler accommodating cavity 241, and a half shaft of the flange half shaft penetrates through the bearing positioning groove 242 and is located in the coupler accommodating cavity 241 to be connected with an inner coupler of the coupler accommodating cavity 241.
In some of the possible embodiments, the first and second,
the bearing flanges comprise an upper flange positioned on the shaft side of the upper half bearing seat and arranged along the two axial sides of the upper half bearing seat, and a lower flange positioned on the two sides of the lower bearing seat and arranged along the two axial sides of the lower bearing seat.
The upper retaining edges of the bearings on the two sides and the lower retaining edges of the bearings on the two sides are matched with each other to form two retaining rings, the bearings are arranged on the bearing seats formed by the upper bearing seats and the lower bearing seats and located between the retaining rings, and the movement of the bearings along the axial direction of the bearings is limited through the two retaining rings.
In some of the possible embodiments of the present invention,
the double yoke 23 includes a hinge portion hinged to the bottom of the cover body, and a yoke 231 connected to the hinge portion and forming a figure of eight.
The yoke 231 is adapted to be connected to the frame to which the upper fork 21 is also connected, ensuring that the wheel has only one degree of freedom of rotation about its axial direction.
In some of the possible embodiments, the first and second,
the bottom of the cover body is provided with a hinged seat hinged with the hinged part, and the hinged seat comprises two supporting plates arranged in parallel and a fastening pin arranged along the length direction of the stressed arm 212 and rotationally connected with the hinged part.
Preferably, the connection between the cover body and the force-receiving arm 212 is in arc transition, so that the upper fork 21 is in an arc structure, and the cover body is partially located in an inner hole of a wheel during use, thereby effectively avoiding mutual interference with the wheel.
The invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification, and to any novel method or process steps or any novel combination of steps disclosed.
Claims (9)
1. The utility model provides a straddle type monorail engineering vehicle embraces pedestal device which characterized in that, includes the fork, with the cooperation installation of fork and form the lower cover of installation cavity and be located the lower cover bottom and with the articulated double-wishbone of lower cover.
2. The axle-hung type frame device for the straddle type monorail engineering vehicle as claimed in claim 1, wherein the upper fork comprises a first positioning seat and stress arms symmetrically arranged on two sides of the first positioning seat;
the lower cover comprises a cover body which is connected with the bottom of the positioning seat and forms an installation cavity.
3. The axle suspension bracket device for the straddle-type monorail engineering vehicle as claimed in claim 2, wherein the mounting cavity comprises a coupler accommodating cavity and a bearing positioning groove which is communicated with the coupler accommodating cavity and is coaxially arranged.
4. The axle suspension bracket device for the straddle-type monorail engineering vehicle as claimed in claim 3, wherein bearing retaining grooves are respectively provided with bearing flanges along two sides of the axis of the bearing retaining grooves.
5. The axle-suspension bracket device for the straddle-type monorail engineering vehicle as claimed in any one of claims 2-4, wherein the positioning seat comprises a seat body with a first groove arranged on one side close to the cover body, and an upper half bearing seat connected with the seat body and provided with a first bearing mounting half groove, and the first bearing mounting half groove is communicated with the first groove and has a consistent opening direction.
6. The axle suspension bracket device for the straddle type monorail engineering vehicle as claimed in claim 5, wherein the cover body comprises a cover body provided with a second groove and located at the bottom of the seat body, and a lower half bearing seat arranged on the same side as the upper half bearing seat and connected with the cover body; and the lower half bearing seat is provided with a bearing installation half groove II which is matched with the bearing installation half groove I to form a bearing positioning groove.
7. The axle suspension bracket device for the straddle-type monorail engineering vehicle as claimed in claim 6, wherein the bearing ribs comprise an upper rib on the shaft side located on the upper half bearing seat along both axial sides thereof, and a lower rib located on both sides of the lower bearing seat along both axial sides thereof.
8. The axle suspension bracket device for the straddle-type monorail engineering vehicle as claimed in claim 7, wherein the double-fork arm comprises a hinge portion hinged to the bottom of the cover body and a fork arm connected to the hinge portion and forming a splayed shape.
9. The axle suspension bracket device for the straddle-type monorail engineering vehicle as claimed in claim 8, wherein a hinge seat hinged to the hinge portion is arranged at the bottom of the cover body, and the hinge seat comprises two parallel support plates and a fastening pin arranged along the length direction of the force-bearing arm and rotatably connected to the hinge portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211031193.8A CN115230768B (en) | 2022-08-26 | 2022-08-26 | Axle bracket device for straddle type monorail engineering vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211031193.8A CN115230768B (en) | 2022-08-26 | 2022-08-26 | Axle bracket device for straddle type monorail engineering vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115230768A true CN115230768A (en) | 2022-10-25 |
| CN115230768B CN115230768B (en) | 2024-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211031193.8A Active CN115230768B (en) | 2022-08-26 | 2022-08-26 | Axle bracket device for straddle type monorail engineering vehicle |
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| Publication number | Publication date |
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| CN115230768B (en) | 2024-02-09 |
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