CN218595020U

CN218595020U - Transport vehicle frame

Info

Publication number: CN218595020U
Application number: CN202222666615.0U
Authority: CN
Inventors: 王海晨; 陈津; 张潇
Original assignee: AECC Commercial Aircraft Engine Co Ltd
Current assignee: AECC Commercial Aircraft Engine Co Ltd
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2023-03-10
Anticipated expiration: 2032-10-10

Abstract

The utility model provides a transportation frame to the transportation frame includes a plurality of motion portions, and is a plurality of motion portion interconnect, the motion portion includes first motion and second motion, first motion with second motion sliding connection, the slip direction with the length direction of motion portion is the same. This application is through the sliding connection of first motion and second motion for the diameter size that motion portion can be according to fan cartridge receiver adjusts, makes the equal increase of the support area that two adjacent motion portions enclose, thereby each support area all can carry out the outrigger to fan cartridge receiver, and then has improved the stability and the utilization ratio that transport vehicle frame supported fan cartridge receiver, has reduced the purchasing cost of transport vehicle frame.

Description

Transport vehicle frame

Technical Field

The utility model relates to a transportation frame.

Background

The aero-engine comprises a plurality of case parts, the case can be generally placed on a tray and dragged by using a hydraulic forklift when being transported in a factory, but the diameter of the fan case of the aero-engine with a large bypass ratio can reach 2-3 m, and the transportation is difficult. However, the prior art discloses adjusting the position of a plurality of rotatably connected support rods, for example, chinese patent application No. 2006200691829 discloses a foldable mobile support, and a support chassis is composed of two swinging support rods and two telescopic rods which are spliced and aligned: the middle parts of the two swinging support rods are crossed in the horizontal direction and hinged to form a rectangular support surface: two telescopic links are located the opposite side position of this rectangle holding surface, and the telescopic link both ends are articulated with the corresponding tip of two swing bracing pieces respectively. The supporting rod divides the supporting surface into a plurality of supporting areas, and each supporting area is a supporting area which is surrounded by two adjacent supporting rods and is provided with an opening. When the length of the telescopic rod is changed, the size of an adjacent region of the region where the telescopic rod is located can be influenced due to the change of the region where the telescopic rod is located, so that the region where the telescopic rod is located and the adjacent region cannot be simultaneously enlarged and reduced. That is, one of the regions and the adjacent region cannot be enlarged or reduced simultaneously, so that the two support regions cannot stably support the fan case, and the support surface cannot be matched with fan cases with different diameters.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome one of them region of prior art and adjacent region can not grow simultaneously or reduce to make the holding surface that the holding area is constituteed can not match the defect of the fan machine casket of different diameters, provide a transportation vehicle frame.

The utility model discloses an above-mentioned technical problem is solved through following technical scheme:

the utility model discloses a transportation frame, the transportation frame is used for transporting fan machine casket, the transportation frame includes a plurality of motion portions, and is a plurality of motion portion interconnect, the motion portion includes first motion piece and second motion piece, first motion piece with second motion piece sliding connection, the slip direction with the length direction of motion portion is the same.

In this scheme, adopt above-mentioned structural style, through the sliding connection of first motion and second motion for the motion portion can be adjusted according to the diameter size of fan machine casket, makes the support area that two adjacent motion portions enclose all increase, thereby each support area all can carry out the outrigger to fan machine casket, and then has improved the stability and the utilization ratio that transportation frame supported fan machine casket, has reduced the purchasing cost of transportation frame.

Preferably, one of the first moving member and the second moving member is provided with a sliding cavity, and the other one of the first moving member and the second moving member extends into the sliding cavity and is connected with the sliding cavity in a sliding manner.

In this scheme, adopt above-mentioned structural style, improved the area of contact of first moving member and second moving member to sliding connection's stability has been improved.

Preferably, the first moving member is provided with the sliding cavity, one end of the second moving member extends into the sliding cavity, and the other end of the second moving member is provided with a boss which is matched with the first moving member and used for limiting the movement displacement of the second moving member.

In this scheme, adopt above-mentioned structural style, through the displacement of boss restriction second motion piece entering sliding cavity for the second motion piece can not get into sliding cavity completely, thereby makes things convenient for the length of next time regulation motion portion.

Preferably, the transportation frame further comprises an adjusting portion, one end of the adjusting portion is connected with the second moving member, and the other end of the adjusting portion is connected with the first moving member in a sliding manner, so that the adjusting portion drives the second moving member to slide relative to the first moving member.

In this scheme, adopt above-mentioned structural style, make through the adjustment portion can produce relative slip between first moving piece and the second moving piece to the length of motion portion change has been made things convenient for.

Preferably, the adjusting part comprises a screw rod, one end of the screw rod extends into the first moving part to be slidably connected with the first moving part, and the other end of the screw rod is rotatably connected with the second moving part.

In the scheme, the structure is adopted, so that the sliding stability of the second moving part is improved, and the transmission efficiency and the positioning precision are improved.

Preferably, a nut is arranged on the first moving part and sleeved on the screw rod;

and/or the adjusting part further comprises a bearing, and one end of the screw rod, which is far away from the first moving part, is rotationally connected with the second moving part through the bearing.

In this scheme, adopt above-mentioned structural style, through the cooperation of nut and lead screw, realized the one end and the first moving part sliding connection of lead screw. One end of the screw rod, which is far away from the first moving part, can be rotationally connected with the second moving part through a bearing. In addition, the structural form improves the stability of rotation.

Preferably, the adjusting portion further includes a first limiting member, and the first limiting member is connected to one end of the screw rod extending into the first moving member, and is configured to limit the displacement of the screw rod.

In this scheme, adopt above-mentioned structural style, through first locating part, prevent that the lead screw from sliding out the slip chamber completely to the length of motion portion is adjusted through the lead screw once more to the convenience.

Preferably, the adjusting portion further includes a hand wheel, one end of the screw rod, which is far away from the first moving member, penetrates through the second moving member and then extends into the hand wheel to be connected with the hand wheel, and the hand wheel is used for driving the screw rod to rotate.

In this scheme, adopt above-mentioned structural style, drive the lead screw through the hand wheel and rotate, have the characteristics of convenient operation.

Preferably, the adjusting portion further includes a second limiting member, one end of the second limiting member is connected to the second moving member, and the other end of the second limiting member is connected to the screw rod for limiting the rotation of the screw rod.

In this scheme, adopt above-mentioned structural style, when the length of motion portion reached suitable length, through the rotation of second locating part restriction lead screw to make the motion portion can keep at this length, improved the stability of motion portion.

Preferably, the transportation vehicle frame further comprises a rotating part, at least part of the moving parts are rotatably connected with the rotating part, and the rotating part is used for changing the distance between two adjacent moving parts.

In this scheme, adopt above-mentioned structural style, can make two adjacent motion portions rotate to suitable distance to the stability that the motion portion supported fan machine casket has been improved. In addition, the two adjacent moving parts are connected in a rotating mode, so that the transport vehicle frame can be folded when being stored in a no-load mode, occupied area is reduced, and the space utilization efficiency of a factory building is improved.

Preferably, the transportation vehicle frame further comprises a positioning portion, and when the moving portion moves to a position, two ends of the positioning portion are respectively connected with the moving portion and the rotating portion, and are used for limiting rotation of the moving portion.

In this scheme, adopt above-mentioned structural style for the rotation portion can keep in suitable position, has improved the stability of transportation frame.

Preferably, the positioning portion includes a positioning pin, the rotating portion and the moving portion are respectively provided with a first positioning hole and a second positioning hole, and the positioning pin sequentially penetrates through the first positioning hole and the second positioning hole.

In this scheme, adopt above-mentioned structural style, have simple structure, connect convenient characteristics.

Preferably, the number of the positioning parts is plural, and the plurality of the positioning parts are arranged at intervals along the rotation direction of the second moving member.

In this scheme, adopt above-mentioned structural style for the motion portion can rotate to a plurality of angles, has further improved transportation frame's utilization ratio.

Preferably, the rotating part comprises a fixed part and a rotating part, the fixed part and the moving part are respectively provided with a first rotating hole and a second rotating hole, and the rotating part sequentially penetrates through the first rotating hole and the second rotating hole so that the fixed part is rotatably connected with the moving part.

Preferably, the moving part is provided with a placing part and a stopping part, the placing part and the stopping part are connected with the moving part, and the fan casing is placed in the placing part and attached to the stopping part.

In this scheme, adopt above-mentioned structural style, improved fan cartridge receiver transportation's stability and reliability. In addition, through the laminating of backstop portion and fan machine casket, can drive the motion of fan machine casket through backstop portion, also have the convenient characteristics of regulation.

Preferably, the transportation frame further comprises a roller, and the lower end of the moving part is connected with the roller.

In this scheme, adopt above-mentioned structural style, can conveniently transport, improve the convenience of transportation.

The utility model discloses an actively advance the effect and lie in:

this application is through the sliding connection of first motion and second motion for the diameter size that motion portion can be according to fan cartridge receiver adjusts, makes the equal increase of the support area that two adjacent motion portions enclose, thereby each support area all can carry out the outrigger to fan cartridge receiver, and then has improved the stability and the utilization ratio that transport vehicle frame supported fan cartridge receiver, has reduced the purchasing cost of transport vehicle frame.

Drawings

Fig. 1 is a schematic structural view of a transportation frame according to an embodiment of the present invention;

fig. 2 is a schematic view of a transportation frame according to an embodiment of the present invention;

fig. 3 is a partial schematic view of a transportation frame according to an embodiment of the present invention;

fig. 4 is a partial structural schematic view of a transportation frame according to an embodiment of the present invention;

fig. 5 is a schematic view of a first moving member according to an embodiment of the present invention;

fig. 6 is a schematic view of a second movable member according to an embodiment of the present invention;

fig. 7 is a schematic view of the transportation vehicle frame for placing the fan case according to the embodiment of the present invention;

fig. 8 is a schematic view of the transportation vehicle frame of the embodiment of the present invention placing another fan case.

Description of reference numerals:

transport vehicle frame 1

Moving part 11

First motion member 111

Sliding cavity 1111

Second positioning hole 1112

Second motion member 112

Boss 1121

The placing part 113

Stop portion 114

Adjusting part 12

Screw rod 121

Hand wheel 122

Nut 123

Bearing 124

First position-limiting element 125

Second position-limiting member 126

Roller 13

Rotating part 14

Rotating part 141

Fixed part 142

First positioning hole 143

Positioning part 15

Positioning pin 151

Fan case 100

Detailed Description

The present invention will be more clearly and completely described below with reference to the accompanying drawings.

The utility model provides a transport vehicle frame 1 for solve one of them region and adjacent region can not grow simultaneously or reduce, thereby make the holding surface that the holding area is constituteed can not match the fan machine casket 100's of different diameters problem.

As shown in fig. 1 to 8, the transport vehicle frame 1 is used for transporting the fan casing 100, the transport vehicle frame 1 includes a plurality of moving parts 11, the plurality of moving parts 11 are connected to each other, the moving parts 11 include a first moving member 111 and a second moving member 112, and the first moving member 111 and the second moving member 112 are slidably connected, and the sliding direction is the same as the length direction of the moving parts 11. Adopt above-mentioned structural style, sliding connection through first motion 111 and second motion 112 makes motion portion 11 adjust according to the diameter size of fan machine casket 100, makes the support area that two adjacent motion portions 11 enclose all increase, thereby each support area all can carry out the outrigger to fan machine casket 100, and then has improved the stability and the utilization ratio that transport frame 1 supported fan machine casket 100, has reduced transport frame 1's purchase cost.

One of the first moving member 111 and the second moving member 112 is provided with a sliding cavity 1111, and the other one extends into the sliding cavity 1111 and is slidably connected with the sliding cavity 1111. Specifically, the sliding cavity 1111 may provide a guide for the movement of the first moving member 111 or the second moving member 112, and the compactness of the structure of the moving part 11 is improved by the sliding cavity 1111. In addition, with the above-described structural form, the contact area of the first moving member 111 and the second moving member 112 is increased, thereby improving the stability of sliding. In other embodiments, one of the first moving member 111 and the second moving member 112 is provided with a guide rail, and the other is provided with a slider, and the sliding connection is realized through the guide rail and the slider. Of course, in other embodiments, the sliding connection form of the first moving member 111 and the second moving member 112 may not be limited. In this embodiment, the first moving member 111 is provided with a sliding cavity 1111, one end of the second moving member 112 extends into the sliding cavity 1111, and the other end of the second moving member 112 is provided with a boss 1121, and the boss 1121 is matched with the first moving member 111 for limiting the movement displacement of the second moving member 112. Specifically, the second moving member 112 includes a sliding portion and a restricting portion, and one end of the sliding portion is inserted into the sliding cavity 1111 and slidably connected to the sliding cavity 1111, and the other end of the sliding portion is connected to the restricting portion. The diameter of the restricting portion is larger than the diameter of the sliding portion to form the boss 1121 and larger than the opening of the sliding cavity 1111. When the sliding part completely enters the sliding cavity 1111, the boss 1121 is engaged with the first moving member 111, thereby restricting the second moving member 112 from further entering the sliding cavity 1111. With the above structure, the boss 1121 limits the displacement of the second moving member 112 into the sliding cavity 1111, so that the second moving member 112 cannot completely enter the sliding cavity 1111, thereby facilitating the next adjustment of the length of the moving part 11. It is preferable that the restricting part and the sliding part are integrally formed, thereby improving the structural strength of the second moving member 112.

Transport frame 1 still includes adjustment portion 12, and the one end and the second motion piece 112 of adjustment portion 12 are connected, and the other end and the first motion 111 sliding connection of adjustment portion 12 to it slides to drive the relative first motion 111 of second motion piece 112 through adjustment portion 12. With the above configuration, the adjustment portion 12 enables relative sliding between the first moving member 111 and the second moving member 112, thereby facilitating the length change of the moving portion 11. In a specific use, the adjusting portion 12 and the second moving member 112 may be connected in a rotating manner or may be connected in a fixed manner, and the connection form between the adjusting portion 12 and the second moving member 112 is not limited herein.

The adjusting part 12 comprises a screw rod 121, one end of the screw rod 121 extends into the first moving part 111 to be slidably connected with the first moving part 111, and the other end of the screw rod 121 is rotatably connected with the second moving part 112. Specifically, a first opening is formed in the first moving member 111, a second opening is formed in the second moving member 112, and when one end of the second moving member 112 extends into the sliding cavity 1111, the first opening and the second opening are located on the same axis, so that the screw rod 121 can penetrate through the second moving member 112 through the second opening, and one end of the screw rod 121 extends into the sliding cavity 1111 through the first opening, thereby improving the compactness of the structure. In addition, in order to improve the stability of the movement of the screw rod 121, the adjusting part 12 further includes a guide part, and one end of the guide part is connected to the first opening and the other end thereof extends into the sliding chamber 1111. In this embodiment, the second opening is opened on the boss 1121, and in other embodiments, the positions of the first opening and the second opening may not be limited. By adopting the structure, the sliding stability of the second moving part 112 is improved, and the transmission efficiency and the positioning precision are improved.

In this embodiment, the nut 123 is disposed on the first moving member 111, and the nut 123 is sleeved on the screw rod 121, so that the screw rod 121 and the first moving member 111 are slidably connected through the cooperation of the nut 123 and the screw rod 121, and the first moving member 111 has the characteristic of high motion stability. In other embodiments, the screw rod 121 and the first moving element 111 may be slidably connected in other forms, and are not limited herein. In addition, the adjusting part 12 further comprises a bearing 124, and one end of the screw rod 121 far away from the first moving part 111 is rotatably connected with the second moving part 112 through the bearing 124. Specifically, the bearing 124 is disposed in the second opening, and an outer ring of the bearing 124 is fixedly connected with the second opening and an inner ring is connected with the lead screw 121. Specifically, one end of the screw rod 121 away from the first mover 111 may be rotatably coupled to the second mover 112 by a bearing 124. The structural form improves the stability of rotation. In other embodiments, the screw 121 may be connected to the second moving element 112 in a rotating manner in other manners, and the specific manner is not limited herein.

The adjusting unit 12 further includes a first limiting member 125, and the first limiting member 125 is connected to one end of the screw rod 121 extending into the first moving member 111 for limiting the displacement of the screw rod 121. With the above structure, the lead screw 121 is prevented from completely sliding out of the sliding cavity 1111 by the first limiting member 125, so that the length of the moving part 11 can be conveniently adjusted by the lead screw 121 again. When the screw rod 121 is used specifically, the second limiting member 126 is rod-shaped, the length of the second limiting member 126 is greater than that of the limiting portion, and after the screw rod 121 is separated from the sliding cavity 1111 for a certain distance, the second limiting member 126 is attached to the limiting portion, so that the screw rod 121 is prevented from moving continuously, and the screw rod 121 is prevented from being completely separated from the sliding cavity 1111. In other embodiments, the first limiting member 125 can limit the displacement of the screw rod 121 in other manners, which is not limited herein.

The adjusting portion 12 further includes a handwheel 122, one end of the screw rod 121, which is far away from the first moving member 111, penetrates through the second moving member 112 and then extends into the handwheel 122 to be connected with the handwheel 122, and the handwheel 122 is used for driving the screw rod 121 to rotate. By adopting the structure, the screw rod 121 is driven to rotate by the hand wheel 122, and the operation is convenient.

The adjusting unit 12 further includes a second limiting member 126, one end of the second limiting member 126 is connected to the second moving member 112, and the other end of the second limiting member 126 is connected to the screw rod 121 for limiting the rotation of the screw rod 121. With the above structure, when the length of the moving part 11 reaches a suitable length, the second stopper 126 limits the rotation of the screw rod 121, so that the moving part 11 can be maintained at the length, and the stability of the moving part 11 is improved.

When the sliding device is used specifically, the rotating hand wheel 122 drives the screw rod 121 to rotate, so that the screw rod 121 slides in the sliding cavity 1111, and the second moving member 112 is driven to slide relative to the first moving member 111 in the rotating process. After the moving portion 11 reaches the corresponding position, the second limiting member 126 is shifted, so that the second limiting member 126 is connected to the screw rod 121, and the second moving member 112 is fixed at the current position.

The transportation carriage 1 further comprises a rotating part 14, and at least part of the moving parts 11 are rotatably connected with the rotating part 14 for changing the distance between two adjacent moving parts 11. With the above structure, two adjacent moving portions 11 can be rotated to a suitable distance, so that the stability of the moving portions 11 supporting the fan case 100 is improved. In addition, through the rotation connection of two adjacent motion portions 11, the transportation vehicle frame 1 can be folded when being stored in an idle load state, so that the occupied area is reduced, and the utilization efficiency of the space of a factory building is improved. Specifically, the partial motion portion 11 is rotationally connected to the rotation portion 14, which means that in the plurality of motion portions 11, the partial motion portion 11 is rotationally connected to the rotation portion 14, and the connection form of the remaining motion portions 11 and the rotation portion 14 may not be limited, that is, the remaining partial motion portion 11 may be rotationally connected to the rotation portion 14, or may be fixedly connected.

In the present embodiment, the number of the moving portions 11 is four, two of the moving portions 11 are rotatably connected to the rotating portion 14, and the other two moving portions 11 are fixedly connected to the rotating portion 14. The number of the moving parts 11 and the connection form of the moving parts 11 and the rotating parts 14 can be adjusted according to actual requirements, and are not limited herein.

In a specific use, the first moving member 111 and the second moving member 112 are slidably coupled, thereby changing the length of the moving part 11. And a plurality of moving parts 11 are rotatably connected with the rotating part 14, so that the distance between two adjacent moving parts 11 can be changed. Thus, for the transporting carriage 1, the bottom of the fan case 100 can be stably placed on the moving part 11 by the sliding connection of the first moving member 111 and the second moving member 112. In addition, the plurality of moving portions 11 are rotatably connected to the rotating portion 14, so that the range of the moving portions 11 distributed along the circumferential direction of the fan casing 100 is increased, and the fan casing 100 can be stably placed on the moving portions 11. Therefore, in the present embodiment, the first moving member 111 and the second moving member 112 are slidably connected, and the plurality of moving portions 11 are rotatably connected to the rotating portion 14, so that the stability of the fan case 100 placed on the moving portions 11 is further improved, and the stability of transportation is further improved.

The transporting carriage 1 further includes a positioning portion 15, and both ends of the positioning portion 15 are connected to the moving portion 11 and the rotating portion 14, respectively, for restricting rotation of the moving portion 11 when the moving portion 11 moves to a position. With the above-described configuration, the rotating portion 14 can be held in a proper position, and the stability of the transporting carriage 1 is improved. In this embodiment, the positioning portion 15 includes a positioning pin 151, the rotating portion 14 and the moving portion 11 are respectively provided with a first positioning hole 143 and a second positioning hole 1112, and the positioning pin 151 sequentially penetrates through the first positioning hole 143 and the second positioning hole 1112.

The number of the positioning parts 15 is plural, and the plural positioning parts 15 are provided at intervals in the rotation direction of the second moving member 112. By adopting the structure, the moving part 11 can rotate to a plurality of angles, and the utilization rate of the transport vehicle frame 1 is further improved. Specifically, the moving part 11 rotates about the rotating part 14, and when the moving part 11 rotates to a certain position, the first positioning hole 143 and the second positioning hole 1112 are overlapped on the axis, and the positioning pin 151 is inserted so that there is no relative movement between the first positioning hole 143 and the second positioning hole 1112 by the positioning pin 151, thereby fixing the moving part 11 at a certain position.

In the present embodiment, the number of the positioning portions 15 is two, one of which is provided in a position where the transportation frame 1 is completely unfolded, and the other of which is provided in a position where the frame is folded. In other embodiments, the position of the positioning portion 15 may also be adjusted according to actual requirements, and is not limited herein.

The rotating part 14 includes a fixed part 142 and a rotating part 141, the fixed part 142 and the moving part 11 are respectively provided with a first rotating hole and a second rotating hole, and the rotating part 141 sequentially penetrates through the first rotating hole and the second rotating hole, so that the fixed part 142 is rotatably connected with the moving part 11. By adopting the structure form, the connecting device has the characteristics of simple structure and convenient connection. In a specific use, the rotating portion 141 is a rotating shaft, and in other embodiments, the type of the rotating portion 141 may not be limited. Of course, in other embodiments, one of the fixed portion 142 and the rotating portion 141 includes a rotating shaft, and the other one is provided with a rotating hole, and the rotating shaft extends into the rotating hole and is rotatably connected with the rotating hole.

When the rotating portion 14 is unfolded, the plurality of moving portions 11 are distributed in a fan-shaped screen-opening shape, so that the moving portions 11 can be arranged at intervals along the circumferential direction of the fan casing 100, the range of the moving portions 11 distributed along the circumferential direction of the fan casing 100 is increased, and the stability of the moving portions 11 supporting the fan casing 100 is improved.

The moving part 11 is provided with a placing part 113 and a stopping part 114, the placing part 113 and the stopping part 114 are connected with the moving part 11, and the fan casing 100 is placed on the placing part 113 and attached to the stopping part 114. By adopting the structure form, the stability and the reliability of the transportation of the fan casing 100 are improved. In addition, by the attachment of the stopping portion 114 and the fan casing 100, the stopping portion 114 can drive the fan casing 100 to move, and the fan casing has the characteristic of convenient adjustment. In the present embodiment, the placing portion 113 is located at one end of the second moving member 112 away from the first moving member 111, and one end of the stopping portion 114 is connected to the placing portion 113, and the other end of the stopping portion 114 extends upward. In the embodiment, the placing portion 113 is plate-shaped, and has a simple structure, so that the fan casing 100 can be placed conveniently. In other embodiments, the shape of the placing portion 113 may not be limited. In addition, the number of the stopping portions 114 may be plural to improve the stability of the contact.

In a specific use, the stopping portion 114 may be attached to an outer wall of the fan casing 100, or may be attached to an inner wall of the fan casing 100. In the embodiment, the stopping portion 114 is attached to the inner wall of the fan casing 100. In addition, the placing portion 113 may be connected to the second moving member 112 by a connection member such as a bolt, so that one of the two is damaged to facilitate replacement. In other embodiments, the placing portion 113 may be integrally formed with the second moving member 112.

The transport carriage 1 further comprises rollers 13, and the lower end of the moving part 11 is connected with the rollers 13. By adopting the structure, the transportation can be facilitated, and the transportation convenience is improved. In specific use, the placing part 113 and the roller 13 are in the same vertical position, so that the weight of the fan case 100 is vertically transferred to the roller 13, and the bearing capacity of the transport vehicle frame 1 is increased.

When the device is used specifically, the second moving part 112 moves, and the roller 13 moves along with the second moving part, so that the moving smoothness of the second moving part 112 is improved.

Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.

Claims

1. The utility model provides a transport vehicle frame, transport vehicle frame is used for transporting fan machine casket, its characterized in that, transport vehicle frame includes a plurality of motion portions, and is a plurality of motion portion interconnect, the motion portion includes first motion and second motion, first motion with second motion sliding connection, the slip direction with the length direction of motion portion is the same.

2. A transportation carriage as claimed in claim 1 wherein one of said first and second moving members defines a sliding cavity and the other extends into said sliding cavity and is slidably connected to said sliding cavity.

3. The transportation frame of claim 2, wherein the first moving member is provided with the sliding cavity, one end of the second moving member extends into the sliding cavity, and the other end of the second moving member is provided with a boss which is matched with the first moving member and used for limiting the movement displacement of the second moving member.

4. The transportation frame of claim 1, further comprising an adjustment portion, wherein one end of the adjustment portion is connected to the second moving member, and the other end of the adjustment portion is slidably connected to the first moving member, so that the adjustment portion drives the second moving member to slide relative to the first moving member.

5. A transportation frame as set forth in claim 4 wherein said adjustment section includes a lead screw, one end of said lead screw extending into said first movable member being slidably connected to said first movable member, the other end of said lead screw being rotatably connected to said second movable member.

6. A transportation frame as set forth in claim 5, wherein said first movable member is provided with a nut, said nut being fitted over said lead screw;

7. The transportation frame of claim 5, wherein the adjustment portion further comprises a first limiting member connected to an end of the lead screw extending into the first motion member for limiting the displacement of the lead screw.

8. The transportation frame of claim 5, wherein the adjustment portion further comprises a hand wheel, one end of the screw rod, which is far away from the first moving member, penetrates through the second moving member and then extends into the hand wheel to be connected with the hand wheel, and the hand wheel is used for driving the screw rod to rotate.

9. The transportation frame of claim 5, wherein the adjustment portion further comprises a second limiting member, one end of the second limiting member is connected to the second moving member, and the other end of the second limiting member is connected to the lead screw for limiting the rotation of the lead screw.

10. A transportation carriage as claimed in claim 1, further comprising a turning portion to which at least part of said moving portions are rotatably connected for varying the distance between adjacent ones of said moving portions.

11. The transportation carriage of claim 10 further comprising a positioning portion, both ends of the positioning portion being connected to the moving portion and the rotating portion, respectively, for limiting rotation of the moving portion when the moving portion is moved to a position.

12. The transportation frame of claim 11, wherein said positioning portion comprises a positioning pin, said rotation portion and said motion portion are respectively provided with a first positioning hole and a second positioning hole, and said positioning pin sequentially penetrates through said first positioning hole and said second positioning hole.

13. A transportation frame as claimed in claim 11, wherein said positioning portion is plural in number, and plural positioning portions are provided at intervals in the rotation direction of said second moving member.

14. A transportation carriage as claimed in claim 10 wherein said pivot portion includes a fixed portion and a pivot portion, said fixed portion and said moving portion having a first pivot hole and a second pivot hole respectively formed therein, said pivot portion extending through said first pivot hole and said second pivot hole in sequence to pivotally connect said fixed portion to said moving portion.

15. The transportation frame of claim 1, wherein the moving part is provided with a placing part and a stopping part, the placing part and the stopping part are connected with the moving part, and the fan casing is placed on the placing part and attached to the stopping part.

16. A transportation frame as claimed in any one of claims 1 to 15, further comprising rollers, the lower end of said moving portion being connected to said rollers.