Transfer support vehicle
阅读说明:本技术 转运支架车 (Transfer support vehicle ) 是由 李永俊 韩召洋 于 2018-03-06 设计创作,主要内容包括:本发明公开了一种转运支架车。该转运支架车包括:车架、沿第一方向分别设于所述车架两侧的轮式结构以及连接所述车架和所述轮式结构的调节机构;其中所述调节机构包括调节部和移动部,所述移动部的一端连接所述调节部,另一端连接所述轮式结构;所述调节部用于调整所述移动部相对于所述车架沿所述第一方向运动,从而带动所述轮式结构沿所述第一方向彼此远离或靠近。本发明的实施例提供转运支架车、通过设置调节机构,可以方便的调节设置于车架两侧的轮式结构之间的距离,从而提高支架车的应用场合。(The invention discloses a transfer support vehicle. This transport support car includes: the device comprises a frame, wheel type structures respectively arranged on two sides of the frame along a first direction, and an adjusting mechanism for connecting the frame and the wheel type structures; the adjusting mechanism comprises an adjusting part and a moving part, one end of the moving part is connected with the adjusting part, and the other end of the moving part is connected with the wheel type structure; the adjusting part is used for adjusting the moving part to move along the first direction relative to the frame, so that the wheel type structures are driven to move away from or close to each other along the first direction. The embodiment of the invention provides a transfer support vehicle, and the distance between wheel-type structures arranged on two sides of a vehicle frame can be conveniently adjusted by arranging an adjusting mechanism, so that the application occasions of the support vehicle are improved.)
1. A transfer carriage, comprising:
the device comprises a frame, wheel type structures respectively arranged on two sides of the frame along a first direction, and an adjusting mechanism for connecting the frame and the wheel type structures;
the adjusting mechanism comprises an adjusting part and a moving part, the adjusting part comprises an adjusting wheel, the moving part comprises a telescopic piece, one end of the moving part is connected with the adjusting part, and the other end of the moving part is connected with the wheel type structure; the adjusting mechanism further comprises a transmission piece, and the adjusting wheel drives the telescopic piece to extend and retract along the first direction through the transmission piece so as to drive the wheel type structures to move away from or close to each other along the first direction;
the transmission part comprises a worm and a worm wheel-nut combination; the telescopic piece comprises a screw and a telescopic arm; the worm is fixedly connected with the adjusting wheel, the worm vertically contacts with the side face of a turbine in the turbine-nut combination, the screw is in threaded connection with the nut in the turbine-nut combination, one end of the telescopic arm is connected with the screw, and the other end of the telescopic arm is fixedly connected with the wheel type structure;
when the adjusting wheel rotates, the worm rotates along with the adjusting wheel in the same direction, the worm transmits rotating force to the turbine-nut combination, so that the turbine-nut combination rotates in a plane perpendicular to the rotating plane of the worm, and the screwing degree of the turbine-nut combination and the screw is adjusted, so that the screw drives the telescopic arm to move in the first direction.
2. A transfer carriage as claimed in claim 1 wherein the telescopic arm and the frame are connected to each other by a sliding pair to slide the telescopic arm relative to the frame upon movement of the screw.
3. A transfer carriage according to claim 1 or 2, wherein the adjustment mechanism comprises a first adjustment mechanism and a second adjustment mechanism, each for independently adjusting the travel of wheeled structures provided on either side of the frame in the first direction.
4. A transfer carriage according to any of claims 1-3 further comprising a support mechanism and a lifting mechanism; the supporting mechanism is connected to the frame through the lifting mechanism and is used for supporting an object to be supported.
5. The transfer rack cart of claim 4, wherein the support mechanism further comprises a fixture and a traversing mechanism; one side of the fixing piece is fixedly arranged on the side, far away from the frame, of the lifting mechanism, and the other side of the lifting mechanism is fixedly connected with the frame; the fixing piece is far away from the lifting mechanism side is provided with a sliding rail, and the transverse moving mechanism is arranged on the fixing piece in a sliding mode through the sliding rail.
6. A transfer carriage as claimed in claim 5 wherein the fixed member comprises a first portion for fixed connection with the lifting mechanism and a second portion for cooperating with the traversing mechanism; the transverse moving mechanism comprises a transverse moving body part, a first adjusting wheel and a first screw connector;
the first adjusting wheel and the transverse moving body part are respectively arranged at two sides of the second part, the transverse moving body part is slidably arranged on the fixing part through the sliding rail, the first screw connector penetrates through the second part, two ends of the first screw connector are respectively connected with the transverse moving body part and the first adjusting wheel, and at least one end of the first screw connector is in screw connection with at least one of the transverse moving body part and the first adjusting wheel;
when the first adjusting wheel rotates, the first screw connector and at least one of the transverse moving body part and the first adjusting wheel form a thread relative motion so as to drive the transverse moving body part to move along the sliding rail.
7. A transfer carriage as claimed in claim 6 wherein the first threaded member comprises a bolt threaded at both ends and threaded with the traversing body portion and the first adjustment wheel respectively.
8. A transfer carriage according to claim 5 wherein the slide is disposed along the first direction.
9. A transfer carriage as claimed in claim 5 wherein the support structure further comprises a rolling mechanism;
the side of the transverse moving mechanism, which is far away from the frame, is provided with an arc-shaped guide rail, and the rolling mechanism is arranged on the arc-shaped guide rail.
10. The transfer rack cart of claim 9, wherein the rolling mechanism comprises a carriage, a second adjustment wheel, and a second threaded member, the traversing mechanism comprising a traversing body portion and a securing portion connecting the traversing body portion; the transverse moving body part is movably arranged on the fixing part through the slide rail, and the fixing part protrudes to the side far away from the frame; the bracket and the second adjusting wheel are respectively arranged on two sides of the fixing part, the second screw connector penetrates through the fixing part, and at least one end of the second screw connector is in screw connection with at least one of the bracket and the second adjusting wheel;
when the second adjusting wheel rotates, the second screw connector is driven to rotate, so that the second screw connector, at least one of the second adjusting wheel and the bracket form relative movement of threads, and the bracket moves along the arc-shaped guide rail.
Technical Field
The invention relates to the technical field of spacecraft equipment transportation, in particular to a support vehicle for transportation.
Background
Typically, docking of small spacecraft horizontally in a final assembly plant requires accommodation to the ground for a wide and narrow rail gauge (typically 750 mm). After the spacecraft is transported to the launch technology area building, horizontal docking requires accommodation to a wide gauge (typically 1435mm) on the ground. At present, an iron wheel support vehicle adopted by a factory building for transferring a spacecraft can only adapt to a wide standard gauge generally, and the use requirement of a small spacecraft cannot be met.
Therefore, in order to facilitate operations such as transportation, parking and storage of the small spacecraft, a transportation support vehicle with convenient operation and strong adaptability is urgently needed.
Disclosure of Invention
In view of the above technical problems in the related art, the present invention provides a transfer carriage vehicle, which can dynamically adjust the distance between the wheel structures of the carriage vehicle, thereby facilitating operations such as parking, transferring, and storing of a spacecraft.
One aspect of the invention provides a transfer carriage. This support car includes: the device comprises a frame, wheel type structures respectively arranged on two sides of the frame along a first direction, and an adjusting mechanism for connecting the frame and the wheel type structures; the adjusting mechanism comprises an adjusting part and a moving part, one end of the moving part is connected with the adjusting part, and the other end of the moving part is connected with the wheel type structure; the adjusting part is used for adjusting the moving part to move along the first direction relative to the frame, so that the wheel type structures are driven to move away from or close to each other along the first direction.
In one embodiment, the adjustment mechanism further comprises a transmission member, the adjustment portion comprises an adjustment wheel, and the moving portion comprises a telescopic member; the adjusting wheel drives the telescopic piece to stretch along the first direction through the transmission piece so as to drive the wheel type structure to be far away from or close to each other along the first direction.
In one embodiment, the transmission comprises a worm and worm wheel-nut combination; the telescopic piece comprises a screw and a telescopic arm; the worm is fixedly connected with the adjusting wheel, the worm vertically contacts with the side face of a turbine in the turbine-nut combination, the screw is in threaded connection with the nut in the turbine-nut combination, one end of the telescopic arm is connected with the screw, and the other end of the telescopic arm is fixedly connected with the wheel type structure; when the adjusting wheel rotates, the worm rotates along with the adjusting wheel in the same direction, the worm transmits rotating force to the turbine-nut combination, so that the turbine-nut combination rotates in a plane perpendicular to the rotating plane of the worm, and the screwing degree of the turbine-nut combination and the screw is adjusted, so that the screw drives the telescopic arm to move in the first direction.
In one embodiment, the telescopic arm and the frame are connected with each other through a sliding pair, so that when the screw rod moves, the telescopic arm is driven to slide relative to the frame.
In some of the above embodiments, the adjusting mechanism includes a first adjusting mechanism and a second adjusting mechanism, and the first adjusting mechanism and the second adjusting mechanism are respectively used for independently adjusting the stroke of the wheel structures arranged on the two sides of the frame in the first direction.
In one embodiment, the stroke is in the range of 300mm-400 mm.
In some of the above embodiments, the rack truck further comprises a support mechanism and a lifting mechanism; the supporting mechanism is connected to the frame through the lifting mechanism and is used for supporting an object to be supported.
In one embodiment, the support mechanism further comprises a mount and a traversing mechanism; one side of the fixing piece is fixedly arranged on the side, far away from the frame, of the lifting mechanism, and the other side of the lifting mechanism is fixedly connected with the frame; the fixing piece is far away from the lifting mechanism side is provided with a sliding rail, and the transverse moving mechanism is arranged on the fixing piece in a sliding mode through the sliding rail.
In one embodiment, the fixing member comprises a first portion for fixed connection with the lifting mechanism and a second portion for cooperation with the traversing mechanism; the transverse moving mechanism comprises a transverse moving body part, a first adjusting wheel and a first screw connector; the first adjusting wheel and the transverse moving body part are respectively arranged at two sides of the second part, the transverse moving body part is slidably arranged on the fixing part through the sliding rail, the first screw connector penetrates through the second part, two ends of the first screw connector are respectively connected with the transverse moving body part and the first adjusting wheel, and at least one end of the first screw connector is in screw connection with at least one of the transverse moving body part and the first adjusting wheel; when the first adjusting wheel rotates, the first screw connector and at least one of the transverse moving body part and the first adjusting wheel form a thread relative motion so as to drive the transverse moving body part to move along the sliding rail.
In one embodiment, the first screw member comprises a bolt, and both ends of the bolt are provided with threads and are respectively screwed with the transverse moving body part and the first adjusting wheel.
In one embodiment, the slide rail is disposed along the first direction.
In one embodiment, the support structure further comprises a roll mechanism; the side of the transverse moving mechanism, which is far away from the frame, is provided with an arc-shaped guide rail, and the rolling mechanism is arranged on the arc-shaped guide rail.
In one embodiment, the rolling mechanism comprises a bracket, a second adjusting wheel and a second screw, and the transverse moving mechanism comprises a transverse moving body part and a fixing part connected with the transverse moving body part; the transverse moving body part is movably arranged on the fixing part through the slide rail, and the fixing part protrudes to one side far away from the frame; the bracket and the second adjusting wheel are respectively arranged on two sides of the fixing part, the second screw connector penetrates through the fixing part, and at least one end of the second screw connector is in screw connection with at least one of the bracket and the second adjusting wheel; when the second adjusting wheel rotates, the second screw connector is driven to rotate, so that the second screw connector, at least one of the second adjusting wheel and the bracket form relative movement of threads, and the bracket moves along the arc-shaped guide rail.
The transfer support vehicle provided by the embodiment of the invention can conveniently adjust the distance between the wheel type structures arranged on the two sides of the vehicle frame, thereby improving the applicability of the support vehicle.
Those skilled in the art will recognize additional features and advantages upon reading the detailed description, and upon viewing the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a rack truck according to an embodiment of the present invention.
Fig. 2a is a schematic top view of a rack truck according to an embodiment of the present invention.
Fig. 2b is a schematic cross-sectional view of fig. 2a in the direction a-a.
FIG. 2c is a schematic view of a rotational plane of an adjustment wheel and turbine-nut combination according to an embodiment of the present invention.
Fig. 3 is a schematic structural view of a rack truck according to an embodiment of the present invention.
Fig. 4a and 4b are schematic mechanism diagrams of a support vehicle comprising a framework, a rolling wheel, a telescopic arm and a vehicle frame according to an embodiment of the invention.
Fig. 5a, 5b and 6 are schematic views of a gantry vehicle including a lift mechanism and a support structure according to an embodiment of the present invention.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings. Spatially relative terms such as "below," "… below," "lower," "above," "… above," "upper," and the like are used for convenience in describing the positioning of one element relative to a second element and are intended to encompass different orientations of the device in addition to different orientations than those illustrated in the figures. Further, for example, the phrase "one element is over/under another element" may mean that the two elements are in direct contact, or that there is another element between the two elements. Furthermore, terms such as "first", "second", and the like, are also used to describe various elements, regions, sections, etc. and should not be taken as limiting. Like terms refer to like elements throughout the description.
One aspect of the invention provides a support vehicle for spacecraft transfer. Referring to fig. 1, the rack cart includes: the
The
For example, the
Further, with continued reference to fig. 1, for example, the first direction S0 may be, for example, a direction substantially corresponding to a line connecting two of the rollers provided on both sides of the vehicle frame, and may also be substantially corresponding to a width direction of the vehicle frame (for example, the width direction of the vehicle frame may be a direction perpendicular to a forward direction of the truck in the same horizontal plane). In addition, the rolling wheels can be arranged on two sides of the frame in multiple pairs. For example, the two sides of the frame can be correspondingly provided with 1-6 pairs, so that different cargoes can be accommodated. In order to improve the motion stability of the
In one embodiment, for example, the adjustment mechanism may include two, i.e., a first adjustment mechanism and a second adjustment mechanism, such that each adjustment mechanism may independently adjust the wheeled structure located on one side of the frame. For example, as shown in fig. 1, a frame of the wheel structure located on the same side of the
In one embodiment, the adjustment travel of the wheel structure on one side of the carriage is in the range of 300mm-800mm, so that the adjustment distance of the wheel structure of the carriage can be 600-1600 mm. Typical ground transit track gauges include 750mm gauge and 1435mm gauge. Of course, the carriage of embodiments of the present invention may accommodate track gauges of other widths within the range of 750mm to 1450 mm. For example, the widths of the gauges may include 762mm, 891mm, 1000mm, 1067mm, 1372mm, and the like. According to the support vehicle provided by the embodiment of the invention, the distance between the wheel structures on the two sides of the vehicle can be adjusted in a large range, so that the adaptability of the support vehicle can be greatly improved.
Referring to fig. 2a-2c, in one embodiment, the
With continued reference to fig. 2a-2c, in the above-described embodiment, for example, the transmission comprises a
As shown in fig. 2a-2c, for example, one end of the
According to the transmission part provided by the embodiment of the invention, the
Referring to fig. 3, in one embodiment, the
In this embodiment, the sliding pair may include, for example, a sliding rail disposed on an inner wall of the
As will be appreciated by those skilled in the art, the sliding pair of the embodiment of the present invention may be any conventional sliding structure, and any structure that can realize the relative sliding between the frame and the telescopic arm under the action of an external force may be adopted.
In addition, the
Referring to fig. 4a, in some embodiments described above, for example, as previously described, the
In this embodiment, for example, two casters 202 located on the same side of the
Referring to fig. 5a, in some embodiments described above, the rack truck further includes a
In this embodiment, the lifting mechanism 4 may also be a hydraulic cylinder, a pneumatic cylinder, a jack, or the like, for example.
In one embodiment, the
Referring to fig. 5b, in this embodiment, for example, the fixing
In one embodiment, the
Referring to fig. 6, in one embodiment,
With continued reference to FIG. 6, in one embodiment, the
According to the rolling
The support vehicle provided by the embodiment of the invention can conveniently adjust the distance between the wheel type structures arranged on the two sides of the vehicle frame, thereby improving the application occasions of the support vehicle.
The above-described embodiments of the present invention may be combined with each other with corresponding technical effects.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.