CN113085951B - Rail vehicle is with frame car device and frame car system - Google Patents
Rail vehicle is with frame car device and frame car system Download PDFInfo
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- CN113085951B CN113085951B CN202110353556.9A CN202110353556A CN113085951B CN 113085951 B CN113085951 B CN 113085951B CN 202110353556 A CN202110353556 A CN 202110353556A CN 113085951 B CN113085951 B CN 113085951B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K13/00—Other auxiliaries or accessories for railways
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Abstract
The invention relates to a vehicle lifting device and a vehicle lifting system for a railway vehicle, wherein a plurality of first vehicle lifting devices are respectively arranged at two end parts of a vehicle body, a plurality of second vehicle lifting devices are arranged at the middle positions of two sides of the vehicle body, third vehicle lifting devices are respectively arranged at the head parts of two sides of the vehicle body, the first vehicle lifting devices are supported at supporting points of the end parts of the vehicle body, the second vehicle lifting devices are supported on a vehicle body side beam in the middle of the vehicle body, and the third vehicle lifting devices tension the vehicle body side beam from two sides of the vehicle body. According to the invention, different car lifting devices are arranged at different positions of the car body, and the car lifting devices at different positions move in the car length direction or the car width direction according to the car lifting requirements, so that the car lifting devices can meet the car lifting requirements of different car types, have better practicability, can meet various requirements of car lifting during car body maintenance of different car types, are convenient for lifting the whole car body, save personnel and maintenance cost, and improve maintenance efficiency.
Description
Technical Field
The invention relates to the technical field of manufacturing of railway vehicle bodies, in particular to a vehicle erecting device and a vehicle erecting system for a railway vehicle, which are used for erecting a vehicle body during overhauling of a motor train unit.
Background
When the aluminum alloy motor car body is overhauled, the whole body of the car body needs to be lifted frequently for more convenient construction of the lower part of the car body, the stability of the car body needs to be guaranteed when the car body is lifted, and meanwhile, the lifting device needs to adapt to the width and the length of various car types as far as possible in order to save cost. In order to smoothly unload the car body from the tool after the construction is finished, the lifting device is required to have a lifting function. In order to meet various requirements of vehicle lifting during vehicle body maintenance and combine the current situation of vehicle body under-vehicle construction, a vehicle lifting system which is convenient to lift, load and unload and high in practicability needs to be developed urgently.
Disclosure of Invention
The invention mainly solves the technical problems of providing a vehicle lifting device for a rail vehicle, which is convenient to lift and has strong practicability, and also providing a vehicle lifting system and a vehicle lifting method using the vehicle lifting device.
In order to achieve the above object, the first technical solution provided by the present invention is:
the utility model provides a car lifting device, includes support post and supporting truss, but the support post mobile mounting is on the ground base, but the one end of supporting truss and the support post between rotatable or the dismantlement be connected, the other end of supporting truss can be dismantled with other car lifting device and be connected, connect the back the supporting truss is located one side of automobile body boundary beam install on the supporting truss one set of or multiunit draw by the device, draw by the device centre gripping to fix and be used for taut automobile body boundary beam on the automobile body boundary beam.
Furthermore, the pulling device comprises a tensioning cylinder and a tensioning piece, the tensioning piece is arranged at the end part of the telescopic end of the tensioning cylinder, the tensioning piece is clamped and fixed on the vehicle body side beam, and the tensioning cylinder drives the vehicle body side beam to adjust the size along the vehicle width direction through the tensioning piece.
Furthermore, the tensioning piece is a plug, and the plug is inserted into a sliding groove on the outer side of the side beam profile of the vehicle body;
or the tensioning piece is a U-shaped chuck, the vehicle body side beam is clamped in the middle of the U-shaped chuck, a movable clamping block is movably mounted on one side edge of the U-shaped chuck through an adjusting mechanism, and the movable clamping block can be adjusted in the thickness direction of the vehicle body side beam.
Furthermore, the telescopic end of the tensioning cylinder is connected with the tensioning piece through a flexible connecting piece.
Further, the supporting truss is one section or foldable sections.
Furthermore, the bottom of the supporting upright post is connected to the ground base in a sliding manner along the length direction of the vehicle body so as to avoid the moving space of the vehicle body.
The second technical scheme provided by the invention is as follows:
the utility model provides a rail vehicle is with frame car device, includes first support head, a lifting mechanism and a running gear, a running gear installs on first base, and a lifting mechanism installs on a running gear, and a support head installs on a lifting mechanism's top, and a running gear drives a lifting mechanism and a support head and removes to the orientation or the direction that deviates from the strong point, a support head is the cylinder, and the top surface of cylinder is the bearing plane, the bearing plane supports in the automobile body bottom.
Further, first elevating system includes a lift sleeve subassembly, a lift lead screw drive assembly and electric speed reducer, the lift sleeve subassembly includes an inlayer lift section of thick bamboo and outer sleeve, and first support head is installed at the top of a lift section of thick bamboo, and the bottom and the lift lead screw drive assembly of a lift section of thick bamboo are connected, and lift lead screw drive assembly is driven by electric speed reducer, and electric speed reducer passes through lift lead screw drive assembly and drives a lift section of thick bamboo and remove.
Further, first running gear includes support, slide, walking lead screw, walking motor, install on the support bottom of first elevating system, the slide is installed on first base with the walking lead screw, the slide sets up the both sides at the walking lead screw, support and walking lead screw threaded connection, spout and slide sliding connection have on the support, the walking lead screw is connected with the output of walking motor.
The third technical scheme provided by the invention is as follows:
the utility model provides a rail vehicle is with frame car device, includes that second holds in the palm head, second elevating system, slide mechanism, second base, mount and embraces the device tightly, the top of second base has slide platform, the last slide mechanism that installs of slide platform, mount and slide mechanism sliding connection, and elevating system installs on the mount, and the second holds in the palm the head and installs the top at second elevating system, the second holds in the palm the head have with the lateral part of automobile body boundary beam and bottom shape assorted bearing surface, it installs in the below of second holding in the palm the head to embrace the device tightly for from inside and outside both sides embrace the automobile body boundary beam in the middle of tightly, slide mechanism drives the second and holds in the palm the head and remove to the orientation that orientation or deviate from the automobile body boundary beam, the second pedestal mounting is on ground base.
Furthermore, the second lifting mechanism comprises a lifting screw, an upper working nut and a lower working nut are mounted on the lifting screw, a sleeve is mounted below the second support head, the upper working nut is fixed in the sleeve, the lower working nut is fixed on the fixing frame, and a lifting adjusting handle is mounted on the lifting screw.
Further, slide mechanism includes the slip lead screw, is provided with the lead screw mount pad on sliding platform, slip lead screw and lead screw mount pad threaded connection, slip adjustment handle is connected to the one end of slip lead screw, the bottom and the slip lead screw threaded connection of mount are provided with spout and slide sliding connection in the bottom of mount, the slide sets up the both sides at the slip lead screw.
Further, the holding device comprises a front fixing plate and a rear fixing plate which are arranged below the second supporting head, and an adjusting screw rod assembly, wherein one end of the adjusting screw rod assembly is connected with a hand wheel, the other end of the adjusting screw rod assembly penetrates through the two fixing plates to be connected with a chuck extending into the inner side of the side beam of the vehicle body, and the hand wheel is rotated to drive the chuck to move along the vehicle width direction and to be matched with the second supporting head to clamp or loosen the side beam of the vehicle body.
Furthermore, a group of holding devices are respectively arranged on two sides of a second lifting mechanism below the second supporting head.
Further, the second base is foldably or detachably mounted on the ground base.
The fourth technical scheme provided by the invention is as follows:
a vehicle lifting system for a railway vehicle, wherein a plurality of first vehicle lifting devices are respectively arranged at two end parts of a vehicle body, a plurality of second vehicle lifting devices are arranged at the middle positions of two sides of the vehicle body, third vehicle lifting devices are respectively arranged at the head parts of two sides of the vehicle body, the first vehicle lifting devices are the vehicle lifting devices according to any one of claims 7-9, the second vehicle lifting devices are the vehicle lifting devices according to any one of claims 10-15, the third vehicle lifting devices are the vehicle lifting devices according to any one of claims 1-6, the first vehicle lifting devices are supported at supporting points at the end parts of the vehicle body, the second vehicle lifting devices are supported on a vehicle body side beam in the middle of the vehicle body, and the third vehicle lifting devices tension the vehicle body side beam from two sides of the vehicle body.
Further comprising fourth vehicle lifting means employing the vehicle lifting means as claimed in any one of claims 7 to 9, said fourth vehicle lifting means being supported below a cross member of the body centre line for adjusting body deflection.
In summary, compared with the prior art, the car lifting device and the car lifting system for the rail vehicle according to the present invention have the following advantages:
(1) The invention arranges the car lifting devices with different structures at different directions of the car body, supports different parts of the car body by using the car lifting devices with different structures, and enables the car lifting devices at different positions to move in the car length or car width direction according to the car lifting requirements, thereby not only improving the stability and safety of the car lifting, but also enabling the car lifting devices to be suitable for the car lifting requirements of different car types, having better practicability and meeting various requirements of car lifting when the car bodies of different car types are overhauled.
(2) The invention is convenient for lifting the whole vehicle body, has good stability during lifting, and can smoothly drive the vehicle body into the station and erect on the vehicle erecting device or unload from the vehicle erecting device to drive the vehicle body out of the station before and after construction, thereby saving personnel and maintenance cost and improving maintenance efficiency.
(3) Through drawing the setting by the device, when satisfying steady lift the automobile body, still have the effect of adjusting both sides automobile body boundary beam section bar size, can accomplish multiple operation on a station, further promoted the practicality.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention to the proper form disclosed herein. It is obvious that the drawings in the following description are only some embodiments and that for a person skilled in the art, other drawings can also be derived from them without inventive effort.
FIG. 1 is a schematic structural view of a racking system of the present invention;
FIG. 2 is a schematic structural view of a first vehicle lifting device of the present invention;
FIG. 3 is a schematic structural view of a second vehicle lifting device according to the present invention;
FIG. 4 is a partial cross-sectional view of FIG. 3;
FIG. 5 is a first schematic view of a pulling and leaning device of the third vehicle lifting device of the present invention;
fig. 6 is a schematic structural view of a pulling and leaning device of a third vehicle erecting device of the invention.
As shown in fig. 1 to 6, a first vehicle lifting device 1, a second vehicle lifting device 2, a third vehicle lifting device 3, a first supporting head 4,
a first lifting mechanism 5, a lifting cylinder 51, a sleeve 52, a lifting screw 53, a working nut 54, an electric speed reducer 55,
a first walking mechanism 6, a bracket 61, a slideway 62, a walking screw 63, a walking motor 64,
a first base 7 is provided on the first side,
a second supporting head 8, a bottom plate 81, a side plate 82, a reinforcing rib plate 83,
a second lifting mechanism 9, a lifting screw 91, a sleeve 92, an upper working nut 93, a lower working nut 94, a lifting adjusting handle 95,
a sliding mechanism 10, a sliding screw 101, a screw mounting seat 102, a sliding adjusting handle 103,
the second base 11, the fixing frame 12,
the clasping device 13, the fixing plate 131, the adjusting screw 132, the hand wheel 133, the clamping head 134, the guide block 135, the guide column 136, the sleeve 137,
a sliding platform 14, a rotating shaft 15, a supporting upright post 16, a supporting truss 17,
the pulling and leaning device 18, the tensioning cylinder 181, the plug 182, the U-shaped clamp 183, the movable clamp block 184, the mounting plate 185, the oblong hole 186, the bolt 187,
a fourth bogie device 19 and a flexible connecting piece 20.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1, the present invention provides a railway vehicle lifting system, wherein a plurality of first lifting devices 1 are respectively mounted on both end portions of a vehicle body (i.e., both end portions of a station), a plurality of second lifting devices 2 are mounted on intermediate positions on both sides of the vehicle body, and third lifting devices 3 are respectively mounted on head portions on both sides of the vehicle body. The first vehicle lifting devices 1 are arranged in four groups and supported at supporting points at the end part of the vehicle body, two groups of the first vehicle lifting devices 1 are respectively arranged at the end parts of the two ends of the vehicle body, the supporting points are preferably vehicle end shock absorber mounting seats (not shown in the figure) according to the structure of the bottom of the vehicle body, and the first vehicle lifting devices 1 are supported below the vehicle end shock absorber mounting seats. The second vehicle lifting devices 2 are supported on vehicle body boundary beams (not shown) on two sides of the vehicle body, a plurality of groups of the second vehicle lifting devices 2 are respectively arranged on two sides of the vehicle body, and preferably 3-5 groups of the second vehicle lifting devices 2 are arranged on each side. The third vehicle lifting devices 3 tension the side beams of the vehicle body from two sides of the vehicle body, and the third vehicle lifting devices 3 are respectively arranged in one group at the head parts of two sides of the vehicle body, namely four groups of the third vehicle lifting devices 3 are arranged around the vehicle body. The car lifting system further comprises a control cabinet (not shown in the figure) arranged on one side of the station, operation buttons and a control display interface are arranged on the control cabinet, the operation buttons are used for controlling the actions of the car lifting devices, and the control display interface is used for displaying the real-time states and alarm information of the car lifting devices and the car body.
As shown in fig. 1 and 2, the first vehicle lifting device 1 includes a first supporting head 4, a first lifting mechanism 5, and a first traveling mechanism 6, the first traveling mechanism 6 is mounted on a first base 7, the first base 7 is fixed on a ground base (not shown in the figure) by bolts, the first lifting mechanism 5 is mounted on the first traveling mechanism 6, the first supporting head 4 is mounted on the top end of the first lifting mechanism 5, the first traveling mechanism 6 drives the first lifting mechanism 5 and the first supporting head 4 to move towards or away from a supporting point (vehicle end shock absorber mounting seat), the movement is a movement along the length direction of the vehicle body, before the vehicle body enters a station, the first vehicle lifting device 1 is moved away to avoid a mounting space of the vehicle body, after the vehicle body enters the station, the first vehicle lifting device 1 is moved into the lower part of the vehicle end shock absorber mounting seat, and the first supporting head 4 is lifted to support the vehicle body.
The first supporting head 4 in the first vehicle erecting device 1 is preferably in a cylindrical structure, such as a cylinder, the top surface of the cylinder is a supporting plane, and the supporting plane is supported at the bottom of the vehicle end shock absorber mounting seat. The cylindrical flat head is beneficial to being stably supported on the lower surface of the vehicle end shock absorber mounting seat.
First elevating system 5 includes lift sleeve subassembly, lift lead screw drive assembly and electric speed reducer, and the lift sleeve subassembly includes inlayer a 51 and outer sleeve 52 of lift section of thick bamboo, and first support head 4 passes through the bolt fastening at the top of a 51, and lift lead screw drive assembly is installed to the bottom of a 51, and lift lead screw drive assembly is driven by electric speed reducer. The lifting screw transmission assembly comprises a lifting screw 53, a working nut 54 and a transmission mechanism, the working nut 54 and the transmission mechanism are mounted on the lifting screw 53, the lifting screw 53 is connected with an electric speed reducer 55 through transmission mechanisms such as a belt, the bottom of a lifting cylinder 51 is fixed with the working nut 54, the electric speed reducer 55 drives the lifting cylinder 51 to move up and down through the lifting screw 53 and the working nut 54, and then the first support head 4 is driven to lift, so that the purpose of unloading a vehicle body supported by a user is achieved. The four first car lifting devices 1 at the two ends of the car body can realize synchronous lifting and can also realize independent lifting, the car body level can be adjusted as required, and the car body is prevented from being out of level due to the height difference of the ground when the car body is parked.
The first traveling mechanism 6 comprises a support 61, a slide way 62, a traveling lead screw 63 and a traveling motor 64, the bottom of the sleeve 52 is installed on the support 61, the electric speed reducer 55 is also fixedly installed on the support 61, the slide way 62 and the traveling lead screw 63 are installed on the first base 7, the slide way 62 is divided into two groups which are respectively arranged on two sides of the traveling lead screw 63, and stable sliding is guaranteed. The bottom of the support 61 is provided with one or two connecting blocks (not shown in the figure), the connecting blocks are in threaded connection with the walking screw 63, the bottom of the support 61 is provided with two sets of sliding grooves (not shown in the figure), the two sets of sliding grooves are in sliding connection with the two sets of sliding ways 62 respectively, the first base 7 and the sliding ways 62 extend along the length direction of the vehicle body, and the walking screw 63 is connected with the output end of the walking motor 64. The controller of the car lifting system drives the walking screw 63 to rotate forward and backward by controlling the walking motor 64 to rotate forward and backward, and then drives the first support head 4 to move along the length direction of the car body.
As shown in fig. 1, 3 and 4, the second cart device 2 includes a second supporting head 8, a second lifting mechanism 9, a sliding mechanism 10, a second base 11, a fixed frame 12 and a clasping device 13. Wherein, second base 11 and mount 12 preferably adopt box structure, can guarantee overall structure intensity, be favorable to the lighten weight again, the top of second base 11 has sliding platform 14, sliding platform 14 extends along the car width direction, sliding mechanism 10 is installed to the last installation of sliding platform 14, mount 12 and sliding mechanism 10 sliding connection, second elevating system 9 is installed on mount 12, second saddle 8 is installed on the top of second elevating system 9, second saddle 8 has the lateral part and the bottom shape assorted bearing face with the automobile body boundary beam. The holding device 13 is installed below the second supporting head 8 and used for holding the middle vehicle body side beam from the inner side and the outer side, the sliding mechanism 10 drives the second supporting head 8 to move towards or away from the vehicle body side beam so as to move the second vehicle erecting device 2 away before the vehicle body enters the station, the mounting space of the vehicle body is avoided, the second vehicle erecting device 2 is moved into the lower part of the vehicle body side beam after the vehicle body enters the station, and the second supporting head 8 is lifted to support the vehicle body side beam.
The second support head 8 comprises bottom plate 81, the curb plate 82 of vertical installation on bottom plate 81, and bottom plate 81 and curb plate 82 form the bearing face jointly, and the contained angle of bearing face is the obtuse angle, and the bearing is in the bottom and the lateral part of automobile body boundary beam respectively, and the second support head 8 can block firmly on the automobile body boundary beam, plays the effect of effective firm support. To ensure structural strength, a plurality of reinforcing webs 83 are welded to the side of the side panel 82 facing away from the body side rail. Meanwhile, in order to protect the vehicle body, a rubber or nylon protective layer is arranged on the bearing surfaces of the bottom plate 81 and the side plate 82.
The second lifting mechanism 9 is a manual adjusting mechanism and comprises a lifting screw 91, an upper working nut and a lower working nut are mounted on the lifting screw 91, a sleeve 92 is mounted below the bottom plate 81 of the second support head 8, the upper working nut 93 is fixed in the sleeve 92, the lower working nut 94 is fixed on the fixing frame 12, a lifting adjusting handle 95 is mounted on the lifting screw 91, and the lifting adjusting handle 95 is manually rotated to realize the lifting of the second support head 8, so that the purpose of unloading the vehicle body which can be supported by a user is achieved.
Second elevating system 9 can set up a set ofly on mount 12, also can set up the multiunit, if set up three groups side by side, middle a set of elevating system that is main, two sets of being supplementary elevating system of both sides are favorable to the second to hold in the palm first 8 and can steadily go up and down, and are favorable to improving the bearing capacity that the second held in the palm first 8.
The sliding mechanism 10 is also a manual adjustment mechanism, and includes a sliding lead screw 101, a lead screw mounting seat 102 is disposed on the sliding platform 14, the sliding lead screw 101 is in threaded connection with the lead screw mounting seat 102, one end of the sliding lead screw 101 is connected to a sliding adjustment handle 103, one or two connection blocks (not shown in the figure) are disposed at the bottom of the fixed frame 12, the connection blocks are in threaded connection with the sliding lead screw 101, and the fixed frame 12 can be moved by rotating the sliding lead screw 101. The bottom of the fixed frame 12 is provided with a sliding groove which is slidably connected with a sliding way (not shown in the figure), the sliding way is installed on the sliding platform 14, and the sliding way is arranged on two sides of the sliding lead screw 101 so as to ensure that the sliding mechanism 10 can slide stably and does not deflect in the sliding process. The sliding adjusting handle 103 is rotated to drive the second supporting head 8 to move along the vehicle width direction.
The clasping device 13 comprises a front fixing plate 131 and a rear fixing plate 131 which are arranged below the bottom plate 81 of the second support head 8, and an adjusting screw rod assembly, wherein one end of the adjusting screw rod assembly is connected with a hand wheel 133, the other end of the adjusting screw rod assembly penetrates through the two fixing plates 131 to be connected with a chuck 134 extending into the inner side of the vehicle body side beam, and the rotating hand wheel 133 drives the chuck 134 to move along the vehicle width direction through the adjusting screw rod assembly and is matched with the side plate 82 of the second support head 8 to clamp or loosen the vehicle body side beam.
The adjusting screw component comprises an adjusting screw 132, the adjusting screw 132 penetrates through the front fixing plate 131 and the rear fixing plate 131, one end of the adjusting screw 132 is connected with a hand wheel 133, the other end of the adjusting screw 132 penetrates through the two fixing plates 131 to be connected with a chuck 134, the chuck 134 adopts an inverted L-shaped structure, a working nut is mounted on the front fixing plate 131, the adjusting screw 132 is in threaded connection with the working nut on the front fixing plate 131, a sleeve 137 is movably mounted on the rear fixing plate 131, the sleeve 137 can move back and forth along the fixing plates 131, and the adjusting screw 132 penetrates through the sleeve 137 and the chuck 134 and is fixed at the end through nuts. A guide block 135 is fixed outside the sleeve 137, the guide block 135 is connected with a guide post 136, the guide post 136 passes through the rear fixing plate 131, and the guide post 136 can slide back and forth along the fixing plate to guide and limit the position while preventing the sleeve 137 from rotating.
In order to ensure stable clamping and uniform stress of the side beam of the vehicle body, a group of holding devices 13 are respectively arranged on two sides of the second lifting mechanism 9 below the second supporting head 8.
In this embodiment, the second base 11 is detachably mounted on a ground base (not shown in the figure), and only the second base 11 of the second car lifting device 2 on one side of the car body (i.e. one side of the car body entering and exiting station) may be detachably fixed, and the second base 11 on the other side may be mounted on the ground base in a fixed manner. Before the vehicle body enters the station from one side and before the vehicle body exits the station, the second vehicle erecting device 2 on the side is integrally disassembled to avoid the vehicle body entering and exiting space. In this embodiment, it is more preferable that the second base 11 is installed on the ground base in a foldable manner, the second base 11 is connected with the ground base through the rotating shaft 15, similarly, only the second base 11 of the second cart device 2 on one side of the cart body can be fixed in a foldable manner, before the cart body is driven into the station from one side and before the cart body is driven out of the station, the second cart device 2 on the side is integrally rotated to one side around the ground base, that is, the parking position is ensured not to interfere with the cart body, after the cart body is driven in, the second cart device 2 is turned back to the upright position, and is locked and fixed through a positioning pin and other structures. The rotation of the second base 11 can be driven by electric or pneumatic means, or can be achieved by manual rotation.
As shown in fig. 1, 5 and 6, the third vehicle lifting device 3 comprises a support column 16 and a support truss 17, the support column 16 is movably mounted on a ground base, and the support column 16 can be slidably mounted on the ground base through a sliding mechanism, so that the third vehicle lifting device 3 can move along the length direction of the vehicle body, so as to avoid the vehicle body entering and exiting space before the vehicle body enters or exits the station, and avoid the support truss 17 interfering with the vehicle body when the vehicle is carried. The supporting truss 17 can be installed on the second car lifting device 2 at two ends according to the installation position requirement.
One end of the supporting truss 17 is rotatably or fixedly connected with the top of the supporting upright post 16, only the supporting truss 17 at one side of the vehicle body (i.e. one side of the vehicle body entering and exiting the station) can be rotatably connected with the supporting upright post 16, and the supporting truss 17 at the other side is fixedly connected with the supporting upright post 16.
The support truss 17 can rotate 360 degrees around the top of the support upright post 16, so that the support truss 17 can be rotated to one side before the vehicle body drives in or out of the station to avoid the space for the vehicle body to pass in and out, and the support truss 17 can be rotated to a position parallel to the side beam of the vehicle body after the vehicle body drives in.
The other end of the supporting truss 17 is detachably connected with the second vehicle erecting device 2 on the same side through a mounting device, a mounting plate is fixedly connected to the end of the supporting truss 17, the mounting plate is fixedly connected with the second vehicle erecting device 2 through a bolt, and the supporting truss 17 is positioned on one side of the side beam of the vehicle body and parallel to the side beam of the vehicle body after connection.
One or more groups of pulling and leaning devices 18 are installed on the supporting truss 17, the number of the pulling and leaning devices 18 is determined according to the length of the supporting truss 17 so as to ensure that the side beams of the vehicle body are stressed uniformly, and in the embodiment, 2-7 groups of pulling and leaning devices 18 are preferably arranged. The pulling and leaning devices 18 are clamped and fixed on the side beams of the vehicle body and used for tensioning the side beams of the vehicle body, the pulling and leaning devices 18 on the two sides of the vehicle body simultaneously tension the side beams of the vehicle body on the two sides in opposite directions so as to adjust the relative distance between the side beams of the vehicle body on the two sides to meet the design requirement, the size adjustment of the distance measurement in the side beams of the vehicle body on the two sides of the vehicle body is realized, and the size adjustment in the size of the side beam of the vehicle body with 10mm can be realized at most.
As shown in fig. 5 and 6, the pulling device 18 comprises a pulling cylinder 181 and a pulling member, the pulling cylinder 181 is automatically controlled by the control cabinet, and a plurality of groups of the pulling cylinders 181 are synchronously operated. The tensioning piece is installed at the end of the telescopic end of the tensioning cylinder 181, the tensioning piece is fixed on the vehicle body side beam, and the tensioning cylinder 181 drives the vehicle body side beam to adjust the size along the vehicle width direction through the tensioning piece. The telescopic end of the tensioning cylinder 181 is preferably connected to the tensioning member by a flexible connection 20, such as a chain connection as shown in fig. 5 and 6, for facilitating the installation of the tensioning member by the operator.
The tension member has two structural forms, one is a plug 182 structure as shown in fig. 5, and the plug 182 is inserted into a sliding groove on the outer side of the side beam profile of the vehicle body. Another structure is shown in fig. 6, which is a structure of a U-shaped clamp 183, a vehicle body side beam profile is clamped in the middle of the U-shaped clamp 183, a movable clamp block 184 is movably mounted on one side edge of the U-shaped clamp 183 through an adjusting mechanism, and the movable clamp block 184 can be adjusted along the thickness direction of the vehicle body side beam. Specifically, two parallel mounting plates 185 are mounted on one side of the U-shaped clamp 183 close to the inner side of the side sill of the vehicle body, the movable clamp block 184 is mounted between the two mounting plates 185, two groups of oblong holes 186 are correspondingly formed in the movable clamp block 184 and the mounting plates 185, and the two groups of oblong holes are fixedly connected together through bolts 187 after the relative positions are adjusted.
In this embodiment, 7 sets of pulling devices 18 are installed on the supporting truss 17 on the vehicle body inlet and outlet side, wherein two sets of pulling devices 18 adopt the structure of the plug 182, and the other five sets of pulling devices 18 adopt the structure of the U-shaped clamp 183 and are vertically embedded into the vehicle body side beam profile, and the inner side movable clamp block 184 is pulled to lean against the lower flanging position of the vehicle body side beam profile.
According to the length of different supporting trusses 17, the supporting trusses 17 can be designed into one section, or can be designed into a multi-section structure with foldable middle parts as shown in fig. 1, so that the occupied space is reduced in the rotating process, the sections are connected through a rotating shaft structure, and then are positioned at the operation position through a locking structure.
As shown in figure 1, the vehicle lifting system provided by the invention further comprises fourth vehicle lifting devices 19, the structures of the fourth vehicle lifting devices 19 are the same as that of the first vehicle lifting device 1, two groups of the fourth vehicle lifting devices 19 are arranged, after a vehicle body is placed on a tool, the vehicle body can be lifted upwards to be jacked to the position below a cross beam in the middle of the vehicle body, and the vehicle body is slightly jacked upwards to adjust the deflection required by the vehicle body according to design requirements in the supporting process. The fourth trolley device 19 is automatically controlled by a control cabinet, and the control cabinet can monitor the deflection prefabrication size. The moving direction of the fourth car lifting device 19 is the same along the car length direction, so that when prefabricated deflection of different car types is realized, the fourth car lifting device 19 can be supported on the lower surface of the middle cross beam.
In the invention, each car lifting device is provided with the limiting device for safely adjusting the position of each car lifting device on the slide way, so that the falling risk caused by falling off along the slide way due to misoperation is avoided. The emergency stop buttons are arranged on the first vehicle lifting device 1, the third vehicle lifting device 3 and the fourth vehicle lifting device 19, so that the first vehicle lifting device can be quickly stopped to move or lift when a control system has a problem, and the safety of the system is improved.
As shown in fig. 1, the following describes in detail the use steps of the car lifting system, and specifically includes the following steps:
1. advance vehicle
Before the automobile body enters the maintenance station, need to go into the car of marcing with the maintenance frock and dodge, specifically be:
(1) The first vehicle lifting device 1 at the end part of the vehicle body is lowered to the lowest position to avoid the advancing vehicle;
(2) The fourth vehicle erecting device 19 in the middle of the vehicle body is lowered to the lowest position, the height of the fourth vehicle erecting device is lower than the line groove of the vehicle body in the transportation state, and the vehicle enters and is avoided;
(3) The second vehicle lifting device 2 at one side of the vehicle body is disassembled or folded and laid down, and the vehicle enters and is avoided;
(4) The supporting upright posts 16 of the two third car lifting devices 3 on one side of the car body move outwards, and the supporting truss 17 rotates to the position of the end part of the car body to enter and avoid the car;
after all the avoidance steps are completed, the vehicle body is conveyed to the station from the side through the two movable trolleys, and the second vehicle erecting device 2 on the disassembled or laid side is well installed.
2. Vehicle falling
(1) After the automobile body transported to the right place, rise operating position with the first unwheeling device 1 of automobile body tip, fall the automobile body to the first unwheeling device 1 of automobile body tip by the transport vechicle afterwards, intelligence automobile body location detecting system module is surveyd the automobile body position simultaneously.
(2) And adjusting the position of the third car lifting device 3, rotating the support truss 17 to a position parallel to the car body side beam, and fixedly connecting the other end of the support truss 17 with the second car lifting device 2.
(3) And adjusting the second vehicle lifting devices 2 at two sides to align the second vehicle lifting devices to the side beams of the vehicle body.
(4) And adjusting the height of each vehicle lifting device to a proper position.
(5) The movable trolley is gradually lowered to drop the trolley body on each trolley lifting device.
(6) Controlling the movable trolley to move out of the trolley;
(7) The clasping devices 13 of the second car lifting devices 2 on the two sides are abutted against the side beams of the car body;
(8) The plurality of pulling devices 18 on the third vehicle raising device 3 are fixed to the vehicle body side member.
(9) And (5) completing vehicle erecting.
3. Deflection adjustment
And after the vehicle is erected, fixing the vehicle body, measuring the size, adjusting the lifting height of the fourth vehicle erecting device 19, and adjusting the deflection of the vehicle body.
4. Component mounting
And a new part is carried into the under-vehicle from the side by the under-vehicle part mounting platform for grinding and mounting, the center distance, the planeness, the mounting height and the vehicle body deflection of mounting are adjusted and guided according to the vehicle body position measurement and detection result in the vehicle falling process, and the quality of the mounted condition is detected.
5. Vehicle body finish removal
And (3) enabling the moving trolley to enter the space below the trolley from the side of the station, supporting the sleeper beam, loosening the second trolley lifting device 2 and the third trolley lifting device 3, descending the first trolley lifting device 1 and the fourth trolley lifting device 19, moving each trolley lifting device to an avoidance position, transporting the trolley out, and entering the next process.
The invention has the following advantages:
the invention arranges the car lifting devices with different structures at different directions of the car body, supports different parts of the car body by using the car lifting devices with different structures, and enables the car lifting devices at different positions to move in the car length or car width direction according to the car lifting requirements, thereby not only improving the stability and safety of the car lifting, but also enabling the car lifting devices to be suitable for the car lifting requirements of different car types, having better practicability and meeting various requirements of car lifting when the car bodies of different car types are overhauled.
The invention is convenient for the integral lifting of the vehicle body, has good stability during lifting, and can smoothly drive the vehicle body into the station and erect on the vehicle erecting device or unload from the vehicle erecting device and drive the vehicle body out of the station before and after construction, thereby saving personnel and maintenance cost and improving maintenance efficiency.
According to the invention, through the arrangement of the pulling and leaning device, the stable lifting of the vehicle body is satisfied, and meanwhile, the size of the side beam profiles of the vehicle bodies on two sides is adjusted, so that various operations can be completed on one station, and the practicability is further improved.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (14)
1. A rail vehicle is with unwheeling system which characterized in that: the two ends of the vehicle body are respectively provided with a plurality of first vehicle lifting devices, the middle positions of the two sides of the vehicle body are provided with a plurality of second vehicle lifting devices, the heads of the two sides of the vehicle body are respectively provided with a third vehicle lifting device, the first vehicle lifting devices are supported at the supporting points of the ends of the vehicle body, the second vehicle lifting devices are supported on the side beams of the vehicle body in the middle of the vehicle body, and the third vehicle lifting devices tension the side beams of the vehicle body from the two sides of the vehicle body;
the first vehicle lifting device comprises a first supporting head, a first lifting mechanism and a first travelling mechanism, the first travelling mechanism is installed on a first base, the first lifting mechanism is installed on the first travelling mechanism, the first supporting head is installed at the top end of the first lifting mechanism, and the first travelling mechanism drives the first lifting mechanism and the first supporting head to move towards or away from the supporting point so as to avoid the installation space of the vehicle body;
the second vehicle lifting device comprises a second supporting head, a second lifting mechanism, a sliding mechanism, a second base, a fixed frame and a holding device, wherein the top of the second base is provided with the sliding platform, the sliding mechanism is installed on the sliding platform, the fixed frame is connected with the sliding mechanism in a sliding mode, the second lifting mechanism is installed on the fixed frame, the second supporting head is installed at the top end of the second lifting mechanism, the second supporting head is provided with a bearing surface matched with the side part and the bottom of the vehicle body side beam in shape, the holding device is installed below the second supporting head and used for holding the vehicle body side beam in the middle from the inner side and the outer side, the sliding mechanism drives the second supporting head to move towards or away from the direction of the vehicle body side beam so as to avoid an installation space of the vehicle body, and the second base is installed on the ground;
the third vehicle erecting device comprises a supporting upright post and a supporting truss, wherein the bottom of the supporting upright post is connected to a ground base in a sliding mode along the length direction of a vehicle body, one end of the supporting truss, which is positioned on one side of a vehicle body entering and exiting station, is connected with the top of the supporting upright post in a rotating mode of 360 degrees, the supporting truss is rotated to one side before the vehicle body enters or exits the station and is used for avoiding a vehicle body entering and exiting space, the supporting truss is rotated to a position parallel to a vehicle body side beam after the vehicle body enters, the other end of the supporting truss is detachably connected with other vehicle erecting devices, a plurality of groups of pulling devices are mounted on the supporting truss, the pulling devices are clamped and fixed on the vehicle body side beam and used for tensioning the vehicle body side beam, the pulling devices on the two sides of the vehicle body simultaneously tension the vehicle body side beams on the two sides in opposite directions and are used for adjusting the relative distance between the vehicle body side beams on the two sides.
2. The railway vehicle racking system of claim 1, wherein: the first supporting head is a cylinder, the top surface of the cylinder is a bearing plane, and the bearing plane is supported at the bottom of the vehicle body.
3. A racking system for a railway vehicle as recited in claim 1, wherein: the first lifting mechanism comprises a lifting sleeve component, a lifting screw transmission component and an electric speed reducer, the lifting sleeve component comprises an inner lifting cylinder and an outer sleeve, the first supporting head is installed at the top of the lifting cylinder, the bottom of the lifting cylinder is connected with the lifting screw transmission component, the lifting screw transmission component is driven by the electric speed reducer, and the electric speed reducer drives the lifting cylinder to move through the lifting screw transmission component.
4. A racking system for a railway vehicle as recited in claim 1, wherein: the first walking mechanism comprises a support, a slide, a walking screw and a walking motor, the bottom of the first lifting mechanism is installed on the support, the slide and the walking screw are installed on a first base, the slide is arranged on two sides of the walking screw, the support is in threaded connection with the walking screw, a sliding groove and a slide sliding connection are formed in the support, and the walking screw is connected with the output end of the walking motor.
5. A racking system for a railway vehicle as recited in claim 1, wherein: the second lifting mechanism comprises a lifting screw, an upper working nut and a lower working nut are mounted on the lifting screw, a sleeve is mounted below the second support head, the upper working nut is fixed in the sleeve, the lower working nut is fixed on the fixing frame, and a lifting adjusting handle is mounted on the lifting screw.
6. A racking system for a railway vehicle as recited in claim 1, wherein: the sliding mechanism comprises a sliding lead screw, a lead screw mounting seat is arranged on the sliding platform, the sliding lead screw is in threaded connection with the lead screw mounting seat, one end of the sliding lead screw is connected with a sliding adjusting handle, the bottom of the fixing frame is in threaded connection with the sliding lead screw, a sliding groove and a sliding way are arranged at the bottom of the fixing frame, and the sliding way is arranged on two sides of the sliding lead screw.
7. The railway vehicle racking system of claim 1, wherein: the holding device comprises a front fixing plate and a rear fixing plate which are arranged below the second supporting head and an adjusting screw rod assembly, one end of the adjusting screw rod assembly is connected with a hand wheel, the other end of the adjusting screw rod assembly penetrates through the two fixing plates and is connected with a chuck extending into the inner side of the side beam of the vehicle body, the hand wheel is rotated and drives the chuck to move along the vehicle width direction and to be matched with the second supporting head to clamp or loosen the side beam of the vehicle body.
8. A racking system for a railway vehicle as recited in claim 1, wherein: and a group of clasping devices are respectively arranged on two sides of the second lifting mechanism below the second supporting head.
9. The railway vehicle racking system of claim 1, wherein: the second base is foldable or detachably mounted on the ground base.
10. The railway vehicle racking system of claim 1, wherein: the pulling device comprises a pulling cylinder and a pulling piece, the pulling piece is installed at the end part of the telescopic end of the pulling cylinder, the pulling piece is clamped and fixed on the vehicle body side beam, and the pulling cylinder drives the vehicle body side beam to adjust the size along the vehicle width direction through the pulling piece.
11. The railway vehicle racking system of claim 10, wherein: the tensioning piece is a plug, and the plug is inserted into a sliding groove on the outer side of the side beam profile of the vehicle body;
or the tensioning piece is a U-shaped chuck, the vehicle body boundary beam is clamped in the middle of the U-shaped chuck, a movable clamping block is movably arranged on one side edge of the U-shaped chuck through an adjusting mechanism, and the movable clamping block can be adjusted in the thickness direction of the vehicle body boundary beam.
12. A racking system for a railway vehicle as recited in claim 10, wherein: the telescopic end of the tensioning cylinder is connected with the tensioning piece through a flexible connecting piece.
13. The railway vehicle racking system of claim 1, wherein: the supporting truss is one section or foldable sections.
14. A racking system for a railway vehicle according to any one of claims 1-13, wherein: the fourth vehicle erecting device is supported below a cross beam of the central line of the vehicle body and is used for adjusting the deflection of the vehicle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110353556.9A CN113085951B (en) | 2021-04-01 | 2021-04-01 | Rail vehicle is with frame car device and frame car system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110353556.9A CN113085951B (en) | 2021-04-01 | 2021-04-01 | Rail vehicle is with frame car device and frame car system |
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| CN113085951B true CN113085951B (en) | 2022-11-22 |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB182341A (en) * | 1921-07-26 | 1922-07-06 | Sidney Heymann | Improvements in automobile jack |
| CN87205845U (en) * | 1987-03-30 | 1988-01-20 | 宋克臣 | Hand raiser with gearbox |
| US5238266A (en) * | 1991-04-16 | 1993-08-24 | Jost International Of Grand Haven, Michigan | Landing gear for semitrailers |
| CN201901117U (en) * | 2010-02-09 | 2011-07-20 | 烟台益恒模具机械厂 | Special supporting device for dumping trailers |
| CN202240315U (en) * | 2011-10-10 | 2012-05-30 | 中国北车集团大同电力机车有限责任公司 | Locomotive body assembly fixture |
| CN205971240U (en) * | 2016-05-20 | 2017-02-22 | 中车青岛四方机车车辆股份有限公司 | Rail vehicle automobile body unwheeling device and including device's unwheeling system |
| CN105835843B (en) * | 2016-05-20 | 2019-02-01 | 中车青岛四方机车车辆股份有限公司 | A kind of vehicle body of railway vehicle unwheeling device, the unwheeling system including the device and the method for playing track vehicle body using the system tray of driving |
| CN207984827U (en) * | 2018-03-30 | 2018-10-19 | 山东赛强机械制造股份有限公司 | Rotatable mechanical lag |
| CN212220246U (en) * | 2020-05-08 | 2020-12-25 | 中科(湖南)先进轨道交通研究院有限公司 | Straddle type monorail train bogie maintenance transfer mechanism |
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