CN115230768B - Axle bracket device for straddle type monorail engineering vehicle - Google Patents
Axle bracket device for straddle type monorail engineering vehicle Download PDFInfo
- Publication number
- CN115230768B CN115230768B CN202211031193.8A CN202211031193A CN115230768B CN 115230768 B CN115230768 B CN 115230768B CN 202211031193 A CN202211031193 A CN 202211031193A CN 115230768 B CN115230768 B CN 115230768B
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- Prior art keywords
- bearing
- seat
- engineering vehicle
- straddle type
- groove
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Links
- 238000009434 installation Methods 0.000 claims abstract description 19
- 230000008878 coupling Effects 0.000 description 17
- 238000010168 coupling process Methods 0.000 description 17
- 238000005859 coupling reaction Methods 0.000 description 17
- 238000000034 method Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 230000003137 locomotive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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)
- Pivots And Pivotal Connections (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention relates to the technical field of straddle type monorail vehicles, and particularly discloses a shaft-locking frame device for a straddle type monorail engineering vehicle. The invention can meet the small 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
In the daily operation process of the straddle type monorail passenger transport line, power-off maintenance, inspection and daily maintenance are required to be carried out at night. Under the condition of power failure of the straddle type monorail line, a self-powered engineering truck 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 noise and waste gas pollution are prohibited at night in urban areas where monorail lines are located.
The straddle type monorail line has limited line length for temporary stop and emergency avoidance, and personnel and tools required for line inspection operation are far smaller than rated load of passenger vehicles, so that the length of engineering vehicles is required to be as short as possible and the weight of the engineering vehicles is required to be as light as possible so as to increase the number of the engineering vehicles on the temporary stop line or the emergency avoidance line.
The weight and the length of the engineering truck adopting the single-axle bogie are far smaller than those of the multi-axle bogie (more than two axles), the existing axle-holding frame device cannot meet the requirement of installing relevant parts of the engineering truck of the single-axle independent driving bogie, the problem that the independent driving wheels are positioned on the bogie cannot be effectively realized, and the problems of lateral deviation, running instability and the like of the wheels are very easy to occur.
Disclosure of Invention
The invention aims to solve the technical problem of providing the axle-holding frame device for the straddle-type single-rail engineering vehicle, which can meet the narrow installation space of the straddle-type single-rail engineering vehicle with smaller size, realize the positioning of independent driving wheels on a bogie and avoid the problems of wheel lateral deviation and the like.
The invention solves the technical problems by adopting the following solution:
the utility model provides a hold of axle frame device for straddle-type monorail engineering vehicle, includes the upper fork, with the upper fork cooperation installation and form the lower cover of installation cavity to and be located the lower cover bottom and with the articulated two yoke arms of lower cover.
The double fork arms and the upper fork are used for being connected with a framework of the engineering vehicle, wherein the upper fork is connected with the framework and mainly bears traction force and braking force of a wheel drive on the locomotive; the shaft coupling and the bearing of the engineering truck driving system are arranged in the mounting cavity, and the movement of the bearing in the axial direction and the radial direction is limited through the mounting cavity, so that the rotation of the shaft coupling is not interfered with the device;
in some possible embodiments, in order to effectively achieve the installation of the coupling and the bearing, the upper fork is subjected to load;
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 achieve the mounting of the coupling and the bearing, and to effectively achieve the movement restriction of the bearing in its radial direction;
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, the limitation of the bearing to move along its axis is achieved in an efficient way;
bearing flanges are respectively arranged on two sides of the bearing positioning groove along the axis of the bearing positioning groove.
In some of the possible embodiments of the present invention,
the first positioning seat comprises a seat body, a first upper half bearing seat and a second upper half bearing seat, wherein the seat body is provided with a groove I close to one side of the cover body, the first 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 groove I and has the same opening direction.
In some of the possible embodiments of the present invention,
the cover body comprises a cover body provided with a groove II and positioned at the bottom of the seat body, and a lower half bearing seat which is arranged on the same side as the upper half bearing seat and connected with the cover body; 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.
In some of the possible embodiments of the present invention,
the bearing flange comprises an upper flange on the shaft side, which is arranged on the two sides of the upper half bearing seat along the axial direction, and a lower flange on the two sides of the lower bearing seat along the axial direction.
In some of the possible embodiments of the present invention,
the double fork arms comprise a hinge part hinged with the bottom of the cover body and fork arms which are connected with the hinge part and form an eight shape.
In some of the possible embodiments of the present invention,
the bottom of lid body sets up with articulated portion articulated seat, articulated seat includes two parallel arrangement's backup pad, sets up along atress arm length direction and rotates the fastening pin of being connected with articulated 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 can not generate lateral deviation and rotation in other directions;
according to the invention, the limitation of the movement of the bearing in the radial direction and the axial direction is effectively realized by arranging the bearing mounting cavity and the bearing flange, so that the positioning control of the wheel is realized;
the invention can effectively avoid interference with the wheel in the use process;
the invention has simple structure and strong practicability.
Drawings
FIG. 1 is a schematic diagram of the structure 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 is a cross-sectional view at A-A in FIG. 3;
wherein: 21. a fork is arranged; 211. a positioning seat I; 212. a force receiving arm; 22. a lower cover; 221. a cover body; 23. double fork arms; 231. a fork arm; 24. a mounting cavity; 241. a coupling receiving cavity; 242. and a bearing positioning groove.
Detailed Description
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. Reference to "first," "second," and similar terms in this application does not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Likewise, the terms "a" or "an" and the like 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 an association object, which means that there may be three relationships, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. In the description of the embodiments of the present application, unless otherwise indicated, the meaning of "a plurality" means two or more. For example, a plurality of positioning posts refers to two or more positioning posts. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The present invention will be described in detail below.
As shown in fig. 1-4:
the axle suspension device for the straddle type monorail engineering vehicle comprises an upper fork 21, a lower cover 22 which is matched with the upper fork 21 and forms an installation cavity 24, and a double fork arm 23 which is positioned at the bottom of the lower cover 22 and is hinged with the lower cover 22.
The double fork arms 23 and the upper fork 21 are used for being connected with a framework of the engineering vehicle, wherein the upper fork 21 is connected with the framework and mainly bears traction force and braking force of a wheel drive on a locomotive; the shaft coupling and the bearing of the engineering truck driving system are arranged in the mounting cavity 24, and the movement of the bearing in the axial direction and the radial direction is limited by the mounting cavity 24, so that the rotation of the shaft coupling is not interfered with the device;
in some possible embodiments, in order to effectively achieve the installation 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 on 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 a 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 achieve the mounting of the coupling and the bearing, and to effectively achieve the movement restriction of the bearing in its radial direction;
the mounting cavity 24 includes a coupling accommodating cavity 241, and a bearing positioning groove 242 which communicates with the coupling accommodating cavity 241 and is coaxially provided.
The shaft coupling is located in the shaft coupling accommodating cavity 241, the size of the shaft coupling accommodating cavity 241 is larger than that of the shaft coupling, and when the shaft coupling accommodating cavity 241 is used, rotation of the shaft locking frame device and rotation of the shaft coupling are not interfered with each other.
In some possible embodiments, the limitation of the bearing to move along its axis is achieved in an efficient way;
bearing ribs are provided on both sides of the bearing positioning groove 242 along the axis thereof, respectively.
In some of the possible embodiments of the present invention,
the first positioning seat 211 comprises a seat body close to the cover 221 and provided with a first groove, 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 of the present invention,
the cover 221 comprises a cover body provided with a groove II and 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 connected with the cover body; the lower half bearing seat is provided with a second bearing mounting half groove which is matched with the first bearing mounting half groove to form a bearing positioning groove 242.
The first groove and the second groove are matched with each other to form a coupler accommodating cavity 241, an opening is formed in one side, close to the gear box, of the coupler accommodating cavity 241, and the coupler can be positioned in the coupler accommodating cavity 241 through the opening;
the first bearing mounting groove and the second bearing mounting half groove are matched with each other to form a bearing positioning groove 242, the bearing positioning groove 242 is communicated with the coupler accommodating cavity 241, and the half shaft of the flange half shaft passes through the bearing positioning groove 242 and is positioned in the coupler accommodating cavity 241 to be connected with the coupler inside.
In some of the possible embodiments of the present invention,
the bearing flange comprises an upper flange on the shaft side, which is arranged on the two sides of the upper half bearing seat along the axial direction, and a lower flange on the two sides of the lower bearing seat along the axial direction.
The upper flanges of the bearings at the two sides and the lower flanges of the bearings at the two sides are mutually matched to form two baffle rings, the bearings are arranged on the bearing seat formed by the upper bearing seat and the lower bearing seat and are positioned between the two baffle rings, and the axial movement of the bearings is limited by the two baffle 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 formed in an eight shape.
The fork arm 231 is adapted to be coupled to the frame, and the upper fork 21 is also coupled to the frame, ensuring that the wheel has only freedom of rotation about its axis.
In some of the possible embodiments of the present invention,
the bottom of lid body sets up with articulated portion articulated seat, articulated seat includes two parallel arrangement's backup pad, sets up along the atress arm 212 long direction and rotates the fastening pin of being connected with articulated portion.
Preferably, the junction of the cover body and the stress arm 212 is in arc transition, so that the upper fork 21 is in an arc structure, and when in use, the cover body is partially positioned in the inner hole of the wheel, thereby effectively avoiding mutual interference with the wheel.
The invention is not limited to the specific embodiments described above. The invention extends to any novel one, or any novel combination, of the features disclosed in this specification, as well as to any novel one, or any novel combination, of the steps of the method or process disclosed.
Claims (9)
1. The axle holding bracket device for the straddle type monorail engineering vehicle is characterized by comprising an upper fork, a lower cover which is matched with the upper fork and forms an installation cavity, and a double fork arm which is positioned at the bottom of the lower cover and is hinged with the lower cover; the double fork arms and the upper fork are used for being connected with a framework of the engineering vehicle, and a coupler and a bearing of a driving system of the engineering vehicle are arranged in the mounting cavity;
the upper fork comprises a first positioning seat and stress arms symmetrically arranged on two sides of the first positioning seat;
the force receiving arm is provided with a positioning hole, and the upper fork is connected with a connecting seat arranged at the top of the framework through the positioning hole.
2. The axle bracket assembly for a straddle type monorail engineering vehicle of claim 1, wherein said lower cover comprises a cover body connected to a bottom of said positioning seat and defining an installation cavity.
3. The axle bracket device for a straddle type monorail engineering vehicle according to 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. A cradle device for a straddle type monorail engineering vehicle according to claim 3, wherein bearing flanges are provided on both sides of the bearing positioning groove along the axis thereof, respectively.
5. The axle holder device for a straddle type monorail engineering vehicle according to any one of claims 2 to 4, wherein the positioning seat one comprises a seat body provided with a groove one close to one side of the cover body, and an upper half bearing seat connected with the seat body and provided with a bearing mounting half groove one, and the bearing mounting half groove one is communicated with the groove one and has the same opening direction.
6. The axle bracket device for the straddle type single-track engineering vehicle according to claim 5, wherein the cover body comprises a cover body provided with a groove II and positioned at the bottom of the base body, and a lower half bearing seat which is arranged on the same side as the upper half bearing seat and is connected with the cover body; 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 holder assembly for a straddle type monorail engineering vehicle of claim 6, wherein the bearing flange comprises an upper flange on the shaft side of the upper half bearing seat along the axial direction thereof, and a lower flange on the lower bearing seat along the axial direction thereof.
8. The axle bracket device for a straddle type monorail engineering vehicle of claim 7, wherein the double fork arms comprise a hinge part hinged with the bottom of the cover body, and fork arms connected with the hinge part and forming an eight shape.
9. The axle bracket device for a straddle type monorail engineering vehicle according to claim 8, wherein a hinge seat hinged with the hinge part is arranged at the bottom of the cover body, and the hinge seat comprises two support plates arranged in parallel, and a fastening pin arranged along the length direction of the stress arm and rotationally connected with the hinge part.
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 CN115230768A (en) | 2022-10-25 |
| CN115230768B true CN115230768B (en) | 2024-02-09 |
Family
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Family Applications (1)
| 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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| CN (1) | CN115230768B (en) |
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| CN115230768A (en) | 2022-10-25 |
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