CN210944696U - Movable-dragging dual-purpose wheel dropping machine - Google Patents
Movable-dragging dual-purpose wheel dropping machine Download PDFInfo
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- CN210944696U CN210944696U CN201921564293.0U CN201921564293U CN210944696U CN 210944696 U CN210944696 U CN 210944696U CN 201921564293 U CN201921564293 U CN 201921564293U CN 210944696 U CN210944696 U CN 210944696U
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Abstract
The utility model discloses a movable-towing dual-purpose wheel dropping machine, which is used for replacing the power wheel pair of a motor train unit, the main transformer of a power vehicle and the trailer wheel of the power vehicle, and comprises two single movable gap bridges, a host with lifting and walking functions, two auxiliary supporting devices and a supporting flat plate; the wheel drop machine has the functions of lifting and transversely moving the wheel set (motor) out of the vehicle body, so that the replacement efficiency of the wheel set is greatly improved; the wheel dropping machine is suitable for various bogies of 160 kilometers motor train units, and can be well matched with the motor train units or trailers.
Description
Technical Field
The utility model belongs to EMUs wheel pair, main transformer change equipment field, concretely relates to move and drag dual-purpose wheel dropping machine.
Background
When the bearing of the shaft box, the bearing of the holding type motor and the bearing of the motor are broken down or other faults of the driving motor and damage of wheel sets and other repair parts occur, the wheel dropping machine is indispensable basic equipment. The wheel set of the railway train can be replaced by the wheel dropping machine under the condition that the bogie is not pushed out.
The existing wheel dropping machine is designed based on the standard TB/T839-2006 locomotive electric wheel dropping machine, the application range of the wheel dropping machine aims at locomotives, passenger cars and the like of a common-speed passenger train, and the wheel changing requirements of motor trains of different types and trailers of a motor train unit cannot be met. The maximum applicable axle weight of the conventional wheel dropping machine for passenger and whole vehicles is 15 tons, the applicable wheel diameter is 900mm, and the requirements of 1250mm wheel diameter and 25 tons of axle weight of the power vehicle cannot be met. If the original wheel dropping machine of the whole customer is transformed, the depth and the length of the pit cannot meet the requirements, and the mechanical part cannot be used, so that the transformation is not feasible.
SUMMERY OF THE UTILITY MODEL
At least one in defect or improvement demand more than prior art, to the EMUs motor car and the trailer of different models, the utility model provides a move and drag dual-purpose wheel set, very big improvement the replacement efficiency of wheel pair, wheel set is applicable to all kinds of bogies of 160 kilometers EMUs, no matter the motor car or the trailer, matching that can both be fine.
In order to achieve the above object, according to one aspect of the present invention, there is provided a dual-purpose wheel-dropping machine for moving and dragging, which is used for replacing a power wheel pair of a motor train unit, a main transformer of a power vehicle and a trailer wheel of the power vehicle, and comprises two single movable gap bridges, a main machine with lifting and walking functions, two auxiliary supporting devices and a supporting flat plate;
the movable gap bridge and the main machine are of a split structure, the front end and the rear end of the movable gap bridge are detachably connected with fixed type maintenance rails on two sides, the length of the movable gap bridge is such that the upper part of the movable gap bridge is only used for supporting a single wheel pair when a power vehicle and a trailer wheel pair are replaced, and the upper part of the movable gap bridge is used for supporting the supporting flat plate matched with the power vehicle main transformer when the power vehicle main transformer is replaced;
the bottom of the auxiliary supporting device is positioned on the maintenance track, and the upper part of the auxiliary supporting device is used for supporting the outer end part of a framework of the wheel pair to be dropped during the replacement operation of the power wheel pair and supporting the middle part of the framework on the inner side of the wheel pair to be dropped during the replacement operation of the trailer wheel pair;
the main machine is positioned in a wheel dropping pit, the upper part of the main machine is used for bearing and lifting the movable gap bridge and wheel sets disassembled on the movable gap bridge or supporting a flat plate-power vehicle main transformer combination, and the lower part of the main machine transversely walks in the wheel dropping pit and is used for moving a bearing object to a replacement station at the side edge of the maintenance track.
Preferably, the main frame comprises a main frame, and a lifting device and a traveling part which are arranged on the main frame.
Preferably, the main frame comprises a walking frame at the bottom and a lifting frame at the upper part;
the lifting device is arranged between the lifting frame and the walking frame, and the walking part is arranged on the walking frame.
Preferably, the lifting device comprises a vertically arranged worm, a worm gear and worm transmission box and a lifting transmission system;
the lower end of the worm is fixed on the walking frame, the upper end of the worm is connected with the lifting frame through the worm gear transmission box, and the lifting transmission system is installed below the lifting frame and is used for lifting power of the worm gear transmission box system.
Preferably, the walking part comprises a driving wheel set, a driven wheel set and a slide wire mechanism;
the driving wheel set and the driven wheel set travel on the bottom surface of the wheel falling pit or a track on the bottom surface; the slide wire mechanism is used for driving the walking frame to transversely move for a fixed distance.
Preferably, the auxiliary support device is a jack.
The above-described preferred features may be combined with each other as long as they do not conflict with each other.
Generally, through the utility model discloses above technical scheme who conceives compares with prior art, has following beneficial effect:
(1) the main body structure of the dual-purpose wheel dropping machine comprises two single movable gap bridges, a main machine with lifting and walking functions, two auxiliary supporting devices and a supporting flat plate; has the advantages of mature technology, simple operation and maintenance reduction and exemption.
(2) The concrete conditions of a power vehicle, a trailer, a control vehicle bogie and a wheel pair are combined, a gap bridge of the wheel dropping machine is made into two single movable rails, a lifting platform of a main machine of the wheel dropping machine utilizes a lead screw to realize the connection suitability with the depth of the inspection trench, the two form a smooth through trench, and the operation space of the traction rod dismounting device is realized. The auxiliary support of 30 tons in total of two movable 15 tons is provided, the end part of the framework, close to the falling wheel pair, of the power vehicle is supported when the wheels fall, the middle part of the framework is supported when the wheels fall of the trailer and the control vehicle, and the top of the auxiliary support is provided with a fine adjustment mechanism, so that the balance of the bogie and the load of the vehicle body are ensured.
(3) The wheel dropping machine has the functions of lifting and transversely moving the wheel set (motor) out of the vehicle body, and greatly improves the replacement efficiency of the wheel set.
(4) The wheel dropping machine is suitable for various bogies of 160 kilometers motor train units, and can be well matched with the motor train units or trailers.
(5) The wheel dropping machine is a device on the line where the passenger train is located, and allows the motor train unit to limit speed to pass through the device. And the motor train unit does not need to be disassembled and assembled in any auxiliary way before the wheel dropping operation.
(6) The gap bridge of the wheel dropping machine and the main machine are of a split structure, the gap bridge bears the weight independently when the motor train unit passes through, and the main machine part is not stressed.
(7) The lead screw and the nut adopt a self-lubricating mode; the walking bearing adopts an oilless bearing, so that the equipment is reduced and free from maintenance.
(8) The gap bridge adopts the design of two separated movable rails, and provides a disassembling and assembling operation space for the traction rod.
(9) The wheel-falling machine has rich functions, and can replace a main transformer besides replacing wheel pairs.
Drawings
FIG. 1 is a side view of a power-driven and towing dual-purpose wheel-dropping machine according to an embodiment of the present invention in the longitudinal direction of a rail;
FIG. 2 is a side view of the dual-purpose wheel-dropping machine of the present invention in the transverse direction of the track;
fig. 3 is a schematic view of the power wheel pair replacement operation of the power-driven dual-purpose wheel dropping machine according to the embodiment of the present invention;
fig. 4 is a schematic diagram of the power-driven and towing dual-purpose wheel-drop machine according to the embodiment of the present invention, which is used for the trailer wheel set replacement operation.
The dimension marks in the figure are in mm.
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 merely illustrative of the invention and are not intended to limit the invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other. The present invention will be described in further detail with reference to the following embodiments.
As a preferred embodiment of the present invention, as shown in fig. 1-4, the present invention provides a dual-purpose wheel-dropping machine for moving and dragging, which is used for replacing a power train wheel pair of a motor train unit, a main transformer of a power train and a trailer wheel of the power train, and comprises two single movable gap bridges 6, a main machine with lifting and walking functions, two auxiliary supporting devices 9 and a supporting flat plate; has the advantages of mature technology, simple operation and maintenance reduction and exemption.
The movable gap bridge 6 and the main machine are of a split structure, the front end and the rear end of the movable gap bridge are detachably connected with fixed type maintenance rails on two sides, the length of the movable gap bridge is such that the upper part of the movable gap bridge is only used for supporting a single wheel pair when a power vehicle and a trailer wheel pair are replaced, and the upper part of the movable gap bridge is used for supporting the supporting flat plate matched with the power vehicle main transformer when the power vehicle main transformer is replaced.
The auxiliary supporting device 9 has a bottom portion located on the maintenance track, and an upper portion for supporting an outer end portion of a frame of the wheel pair to be dropped during replacement of the power wheel pair and supporting a middle portion of the frame of the wheel pair to be dropped during replacement of the trailer wheel pair.
The main machine is positioned in a wheel dropping pit 10, the upper part of the main machine is used for bearing and lifting the movable gap bridge 6 and a wheel set detached from the movable gap bridge or supporting a flat plate-power vehicle main transformer combination, and the lower part of the main machine transversely walks in the wheel dropping pit 10 and is used for moving a bearing object to a replacement station at the side edge of an overhaul track.
The main machine comprises a main machine frame, a lifting device and a traveling part, wherein the lifting device and the traveling part are installed on the main machine frame. The main frame comprises a walking frame 1 at the bottom and a lifting frame 2 at the upper part; the lifting device is arranged between the lifting frame 2 and the walking frame 1, and the walking part is arranged on the walking frame 1. The lifting device comprises a vertically arranged worm, a worm gear and worm transmission box 3 and a lifting transmission system 7; the lower end of the worm is fixed on the walking frame 1, the upper end of the worm is connected with the lifting frame 2 through the worm gear transmission box 3, and the lifting transmission system 7 is installed below the lifting frame 2 and is used for lifting power of the worm gear transmission box 3. The walking part comprises a driving wheel set 4, a driven wheel set 5 and a slide wire mechanism 8; the driving wheel set 4 and the driven wheel set 5 run on the bottom surface of the wheel dropping pit 10 or a track on the bottom surface; the slide wire mechanism 8 is used for driving the walking frame 1 to transversely move for a fixed distance.
Preferably, the auxiliary support means 9 is a jack of 15 tons, and the two mobile auxiliary support means are 30 tons in total.
As shown in fig. 3, when the motor train unit power vehicle drives on the wheel dropping machine to prepare for wheel changing operation, the wheel dropping machine work flow is as follows: the power vehicle wheel is a wheel pair with a traction motor and a gear box, wherein the method comprises the following steps:
when the single preset wheel pair of the power vehicle runs onto the movable gap bridge 6 of the wheel dropping machine, the vehicle stops; after the vehicle stops, putting anti-skid iron shoes in front of and behind the wheel pair to be dropped to prevent the wheel pair from slipping; supporting the outer end part of the framework of the wheel pair to be dropped by using the auxiliary supporting device 9, and detaching the power wheel pair; the host machine walks to the lower part of the movable gap bridge 6 to support the movable gap bridge in advance, and after the power wheel pair is completely disassembled, the movable gap bridge 6 is loosened to be connected with the fixed maintenance tracks at the two ends; the lifting transmission system 7 of the main machine starts to work, the lifting frame 2 is driven to slowly descend through the worm gear transmission case 3, the disassembled power wheel set falls into the pit bottom, the sliding wire mechanism 8 drives the walking frame 1 to transversely move for a fixed distance, and the transverse movement is realized under the walking frame 1 through the rolling of the driving wheel set 4 and the driven wheel set 5; after the transverse movement is finished, the lifting transmission system 7 starts to work, the lifting frame 2 is driven to slowly lift through the worm gear transmission case 3, the disassembled power wheel pair is lifted to the side of the vehicle, and the wheel falling of the power wheel pair is finished.
When the motor train runs on the wheel dropping machine to prepare for the operation of changing the main transformer, the working process of the wheel dropping machine is as follows:
when the power vehicle runs to a preset position through the movable gap bridge 6 and the main transformer is directly opposite to the movable gap bridge 6 below, the vehicle stops; the host machine walks to the lower part of the movable gap bridge 6 to support the movable gap bridge 6, the movable gap bridge 6 is loosened to be connected with the fixed overhaul rails at the two ends, the crane 2 of the host machine descends to firstly sink the movable gap bridge 6, then the walking frame 1 transversely moves to the side of the vehicle, and the support flat plate matched with the movable gap bridge 6 is placed on the movable gap bridge 6 through the crown block crane; the walking frame 1 transversely moves to return, the support flat plate is moved below the main transformer, the crane 2 of the host machine drives the movable gap bridge 6 and the support flat plate to ascend, so that the upper plane of the support flat plate is flush with the lower plane of the main transformer, and the main transformer is disassembled; after the main transformer is completely disassembled, a lifting transmission system 7 of the main machine starts to work, the lifting frame 2 is driven to slowly descend through the worm gear transmission case 3, the disassembled main transformer falls into the pit bottom, the sliding wire mechanism 8 drives the walking frame 1 to transversely move for a fixed distance, and the lower part of the walking frame 1 rolls through the driving wheel set 4 and the driven wheel set 5 to realize transverse movement; after the transverse movement is finished, the lifting transmission system 7 starts to work, the lifting frame 2 is driven to slowly lift through the worm gear transmission case 3, the main transformer after being disassembled is lifted to the side of the vehicle, and the main transformer of the power vehicle is disassembled and transferred.
As shown in fig. 4, when the trailer is driven to the wheel dropping machine for wheel changing operation, the wheel dropping machine work flow is as follows: the trailer wheel is a wheel pair with an axle brake disc, and the method comprises the following steps:
when the single preset wheel pair of the trailer runs onto the movable bridge 6 of the wheel dropping machine, the vehicle stops; after the vehicle stops, putting anti-skid iron shoes in front of and behind the wheel pair to be dropped to prevent the wheel pair from slipping; the auxiliary supporting device 9 is used for supporting the middle part of the framework at the inner side of the wheel to be dropped, and the trailer wheel pair is disassembled; the host machine walks to the lower part of the movable gap bridge 6 to support the movable gap bridge in advance, and after the trailer wheel pair is completely disassembled, the movable gap bridge 6 is loosened to be connected with the fixed maintenance rails at the two ends; the lifting transmission system 7 of the main machine starts to work, the lifting frame 2 is driven to slowly descend through the worm gear transmission case 3, the disassembled trailer wheel pair falls into the pit bottom, the sliding wire mechanism 8 drives the walking frame 1 to transversely move for a fixed distance, and the transverse movement is realized by the rolling of the driving wheel set 4 and the driven wheel set 5 below the walking frame 1; after the sideslip finishes, lift transmission system 7 begins work, drives crane 2 through worm gear transmission case 3 and slowly rises, and the trailer wheel pair after will disassembling lifts to vehicle side, and this moment the trailer wheel pair falls the wheel and finishes.
Generally, the utility model discloses following beneficial effect has:
(1) the main body structure of the dual-purpose wheel dropping machine comprises two single movable gap bridges, a main machine with lifting and walking functions, two auxiliary supporting devices and a supporting flat plate; has the advantages of mature technology, simple operation and maintenance reduction and exemption.
(2) The concrete conditions of a power vehicle, a trailer, a control vehicle bogie and a wheel pair are combined, a gap bridge of the wheel dropping machine is made into two single movable rails, a lifting platform of a main machine of the wheel dropping machine utilizes a lead screw to realize the connection suitability with the depth of the inspection trench, the two form a smooth through trench, and the operation space of the traction rod dismounting device is realized. The auxiliary support of 30 tons in total of two movable 15 tons is provided, the end part of the framework, close to the falling wheel pair, of the power vehicle is supported when the wheels fall, the middle part of the framework is supported when the wheels fall of the trailer and the control vehicle, and the top of the auxiliary support is provided with a fine adjustment mechanism, so that the balance of the bogie and the load of the vehicle body are ensured.
(3) The wheel dropping machine has the functions of lifting and transversely moving the wheel set (motor) out of the vehicle body, and greatly improves the replacement efficiency of the wheel set.
(4) The wheel dropping machine is suitable for various bogies of 160 kilometers motor train units, and can be well matched with the motor train units or trailers.
(5) The wheel dropping machine is a device on the line where the passenger train is located, and allows the motor train unit to limit speed to pass through the device. And the motor train unit does not need to be disassembled and assembled in any auxiliary way before the wheel dropping operation.
(6) The gap bridge of the wheel dropping machine and the main machine are of a split structure, the gap bridge bears the weight independently when the motor train unit passes through, and the main machine part is not stressed.
(7) The lead screw and the nut adopt a self-lubricating mode; the walking bearing adopts an oilless bearing, so that the equipment is reduced and free from maintenance.
(8) The gap bridge adopts the design of two separated movable rails, and provides a disassembling and assembling operation space for the traction rod.
(9) The wheel-falling machine has rich functions, and can replace a main transformer besides replacing wheel pairs.
It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. A kind of moving and dragging dual-purpose wheel dropping machine, characterized by: the dual-purpose wheel dropping machine for the motor train unit is used for replacing a power wheel pair of the motor train unit, a main transformer of the motor train unit and wheel replacing operation of a trailer wheel of the motor train unit, and comprises two single movable gap bridges (6), a main machine with lifting and walking functions, two auxiliary supporting devices (9) and a supporting flat plate;
the movable gap bridge (6) and the main machine are of a split structure, the front end and the rear end of the movable gap bridge are detachably connected with fixed type maintenance rails on two sides, the length of the movable gap bridge is structured that the upper part of the movable gap bridge is only used for supporting a single wheel pair when a power vehicle and a trailer wheel pair are replaced, and the upper part of the movable gap bridge is used for supporting the supporting flat plate matched with the power vehicle when a power vehicle main transformer is replaced;
the bottom of the auxiliary supporting device (9) is positioned on the maintenance track, and the upper part of the auxiliary supporting device is used for supporting the outer end part of a framework of the wheel pair to be dropped during the replacement operation of the power wheel pair and supporting the middle part of the framework on the inner side of the wheel pair to be dropped during the replacement operation of the trailer wheel pair;
the main machine is positioned in a wheel dropping pit (10), the upper part of the main machine is used for bearing and lifting the movable gap bridge (6) and wheel sets disassembled on the movable gap bridge or supporting a flat-plate power vehicle main transformer combination, and the lower part of the main machine transversely walks in the wheel dropping pit (10) and is used for moving a bearing object to a replacement station at the side edge of the maintenance track.
2. A power driven dual purpose wheel drop machine as defined in claim 1 wherein:
the main machine comprises a main machine frame, a lifting device and a traveling part, wherein the lifting device and the traveling part are installed on the main machine frame.
3. A power driven dual purpose wheel drop machine as defined in claim 2 wherein:
the main frame comprises a walking frame (1) at the bottom and a lifting frame (2) at the upper part;
the lifting device is arranged between the lifting frame (2) and the walking frame (1), and the walking part is arranged on the walking frame (1).
4. A power driven dual purpose wheel drop machine as defined in claim 3 wherein:
the lifting device comprises a worm, a worm gear and worm transmission box (3) and a lifting transmission system (7) which are vertically arranged;
the lower end of the worm is fixed on the walking frame (1), the upper end of the worm is connected with the lifting frame (2) through the worm gear transmission box (3), and the lifting transmission system (7) is installed below the lifting frame (2) and is used for lifting power of the worm gear transmission box (3).
5. A power driven dual purpose wheel drop machine as defined in claim 4 wherein:
the walking part comprises a driving wheel set (4), a driven wheel set (5) and a slide wire mechanism (8);
the driving wheel set (4) and the driven wheel set (5) run on the bottom surface of the wheel dropping pit (10) or a track on the bottom surface; the slide wire mechanism (8) is used for driving the walking frame (1) to transversely move for a fixed distance.
6. A power driven dual purpose wheel drop machine as defined in claim 1 wherein:
the auxiliary supporting device (9) is a jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921564293.0U CN210944696U (en) | 2019-09-19 | 2019-09-19 | Movable-dragging dual-purpose wheel dropping machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921564293.0U CN210944696U (en) | 2019-09-19 | 2019-09-19 | Movable-dragging dual-purpose wheel dropping machine |
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| CN210944696U true CN210944696U (en) | 2020-07-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110642182A (en) * | 2019-09-19 | 2020-01-03 | 中铁第四勘察设计院集团有限公司 | Movable-towing dual-purpose wheel dropping machine and operation method |
-
2019
- 2019-09-19 CN CN201921564293.0U patent/CN210944696U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110642182A (en) * | 2019-09-19 | 2020-01-03 | 中铁第四勘察设计院集团有限公司 | Movable-towing dual-purpose wheel dropping machine and operation method |
| CN110642182B (en) * | 2019-09-19 | 2023-12-15 | 中铁第四勘察设计院集团有限公司 | Dynamic and dragging dual-purpose landing machine and operation method |
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