CN114017101A - Transport trailer and method of carrying out transport - Google Patents
Transport trailer and method of carrying out transport Download PDFInfo
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- CN114017101A CN114017101A CN202111273731.XA CN202111273731A CN114017101A CN 114017101 A CN114017101 A CN 114017101A CN 202111273731 A CN202111273731 A CN 202111273731A CN 114017101 A CN114017101 A CN 114017101A
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000012546 transfer Methods 0.000 claims abstract description 17
- 230000008569 process Effects 0.000 abstract description 6
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 239000003245 coal Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/006—Equipment transport systems
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
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- Forklifts And Lifting Vehicles (AREA)
- Loading Or Unloading Of Vehicles (AREA)
Abstract
The application provides a transfer trailer and a method for carrying out transfer, wherein the transfer trailer comprises a U-shaped frame assembly, the frame assembly is provided with two longitudinal box beams which are distributed in an opposite interval mode and a transverse box beam which is fixedly arranged between the longitudinal box beams; a towing tractor fixedly arranged on the transverse box girder and facing to the rear end; a blade assembly, a front end of a blade of the blade assembly being hinged to the transverse box beam such that the blade moves relative to the transverse box beam under a tipping cylinder of the blade assembly; the auxiliary lifting assemblies are arranged at the rear ends of the longitudinal box girders and are used for auxiliary lifting and fixing, and the transport trailer can effectively fix objects to be transported in the transport process, so that the safety of the objects to be transported is ensured, and the transport trailer is well suitable for long-distance transport; simultaneously, this transport trailer can guarantee the quick fixed and the dismantlement of transport, improves handling efficiency.
Description
Technical Field
The invention belongs to the technical field of transportation, and particularly relates to a transportation trailer suitable for a coal mine underground support and a transportation method.
Background
In modern coal mine production, many devices, such as hydraulic supports, are required. Due to the fact that the hydraulic supports are long in size, and the underground coal mining and transportation roadway of the coal mine is narrow, the ground conditions are severe, certain difficulties are brought to the transportation of the hydraulic supports, and particularly the hydraulic supports need to be moved for a long distance, and the difficulty is higher.
Thus, there is a need to design a transfer trailer and method of performing transfer for safer transfer of hydraulic stands.
Disclosure of Invention
The present invention is directed to a method for transporting a trailer and a method for transporting a trailer, which solves some or all of the above problems of the prior art. In the carrying process of the carrying trailer, the object to be carried can be effectively fixed, the safety of the object to be carried is ensured, and the carrying trailer is further well suitable for long-distance transportation; simultaneously, this transport trailer can guarantee the quick fixed and the dismantlement of transport, improves handling efficiency.
According to an aspect of the present invention, there is provided a carrier trailer comprising:
a U-shaped frame assembly having two longitudinal box beams spaced apart from each other and a transverse box beam fixedly disposed between the longitudinal box beams,
a towing tractor which is fixedly arranged on the transverse box girder and faces towards the rear end,
a blade assembly, a front end of a blade of the blade assembly being hinged to the transverse box beam such that the blade moves relative to the transverse box beam under the influence of a tipping cylinder of the blade assembly,
and the auxiliary lifting assembly is arranged at the rear end of each longitudinal box girder and is used for assisting in lifting and fixing.
In one embodiment, the auxiliary lifting assembly comprises:
the rear end of the lifting oil cylinder is hinged with the longitudinal box girder,
a lifting arm hinged with the front end of the lifting oil cylinder,
a lifting shaft fixedly connected with the circumferential direction of the lifting arm, wherein the lifting shaft is hinged and erected on the longitudinal box girder,
a lifting block which is sleeved on the lifting shaft in a circumferential fixed manner,
and the lifting chain is hung on the lifting block.
In one embodiment, each of the longitudinal box girders comprises:
a horizontal longitudinally extending longitudinal beam panel;
an end plate which is positioned at the rear end and extends vertically,
a sloping plate for connecting the longitudinal beam plate with the end plate,
the rear end of the lifting oil cylinder is hinged to the end head plate, and a lifting shaft support ring used for erecting the lifting shaft is fixed on the inclined plate.
In one embodiment, the lifting block is configured as a bar and is arranged on the inner side of the lifting shaft, and a notch for hanging the lifting chain is arranged on the lifting block.
In one embodiment, the lifting chain comprises:
the chain segments are adjusted by adjusting the length of the ring segments,
the chain segment of the lifting ring is lifted,
a butterfly ring for connecting the adjustment ring segment and the lifting ring segment,
a lifting hook disposed at a distal end of the lifting loop segment.
In one embodiment, the drag puller comprises:
a connecting plate for fixing on the transverse box girder,
the winch is provided with a winch which is connected with a winch,
a bail link disposed between the winch and the connection pad.
In one embodiment, a shovel plate connecting seat for clamping the shovel plate is fixedly arranged at the front end of the shovel plate, a shovel plate supporting plate is arranged on the transverse box girder, the upper end of the shovel plate connecting seat is hinged with the shovel plate supporting plate, the lower end of the shovel plate connecting seat is hinged with the rear end of the tipping oil cylinder, and the front end of the tipping oil cylinder is hinged to the transverse box girder.
In one embodiment, the transverse box girder comprises:
a plurality of transverse plates which extend transversely and are distributed at intervals,
a longitudinal plate clamped between the adjacent transverse plates,
the dragging tractor is arranged at the transverse center of the transverse plate, and the two tipping oil cylinders are symmetrical about the transverse center of the transverse plate.
In one embodiment, a swinging frame is arranged on each longitudinal box girder through a pin shaft, and the traveling wheels on the same side in the transverse direction are rotatably connected with the swinging frame on the corresponding side.
According to an aspect of the present invention, there is provided a method for carrying with the carrying trailer, comprising:
step one, dragging the object to be conveyed to the shovel plate by using the dragging tractor, wherein the dragging tractor is fixed with the object to be conveyed,
fixing the chain of the auxiliary lifting assembly to the rear end of the object to be conveyed,
thirdly, the object to be carried is lifted by utilizing the shovel plate assembly and the auxiliary lifting assembly,
step four, the transporting trailer moves to transport the object to be transported to the target position,
step five, the object to be carried is descended by utilizing the shovel plate assembly and the auxiliary lifting assembly,
and step six, releasing the fixation of the dragging tractor and the auxiliary lifting assembly on the object to be conveyed.
Compared with the prior art, the invention has the advantages that: in the carrying process of the carrying trailer, the object to be carried can be effectively fixed, the safety of the object to be carried is ensured, and the carrying trailer is further well suitable for long-distance transportation; simultaneously, this transport trailer can guarantee the quick fixed and the dismantlement of transport, improves handling efficiency. In addition, the transport trailer has the function of auxiliary lifting, so that the requirement on the length of the shovel plate is reduced, and particularly, the unloading operation is quicker and simpler.
Drawings
Preferred embodiments of the present invention will be described in detail below with reference to the attached drawing figures, wherein:
FIG. 1 shows a perspective view of a transfer trailer according to one embodiment of the present invention;
FIG. 2 illustrates a U-shaped frame assembly of one embodiment of the present invention;
FIG. 3 shows a swing frame of one embodiment of the present invention;
FIG. 4 illustrates a drag retractor according to one embodiment of the present invention;
FIG. 5 illustrates a mounting view of an auxiliary lift assembly on a frame assembly in accordance with one embodiment of the present invention;
FIG. 6 illustrates an auxiliary lift assembly of one embodiment of the present invention;
FIG. 7 illustrates a blade assembly portion of one embodiment of the present invention.
In the drawings, like parts are provided with like reference numerals. The figures are not drawn to scale.
Detailed Description
In order to make the technical solutions and advantages of the present invention more apparent, exemplary embodiments of the present invention are described in further detail below with reference to the accompanying drawings. It is clear that the described embodiments are only a part of the embodiments of the invention, and not an exhaustive list of all embodiments. And the embodiments and features of the embodiments may be combined with each other without conflict.
An embodiment of the invention provides a transport trailer. As shown in fig. 1, the transfer trailer comprises a U-shaped frame assembly 1, a towing tractor 2, a blade assembly 3 and an auxiliary lifting assembly 4. Wherein, the frame component 1 is frame-shaped and mainly plays a role of basic support. Specifically, as shown in fig. 2, the frame assembly 1 has two longitudinal box girders 11 distributed in an opposite spaced-apart manner and a transverse box girder 12 fixedly disposed between the longitudinal box girders 11. The towing tractor 2 is fixedly provided on the lateral box girder 12 and faces the rear end for towing and dragging the object to be carried onto the blade 31. Meanwhile, the dragging tractor 2 can also play a role in limiting the object to be transported, and is used for ensuring that the object to be transported is stably and firmly carried on the transport trailer. The front end of the blade 31 of the blade assembly 3 is hinged to the transverse box 12 beam. In use, tilt cylinders 32 of blade assembly 3 act to urge blade 31 to move relative to transverse box beam 12 for operation during raising or lowering of the load to be carried. The auxiliary lifting assembly 4 is arranged at the rear end of each longitudinal box girder 11 and is used for assisting in lifting and fixing the object to be conveyed.
In one embodiment, as shown in fig. 5 and 6, the auxiliary lift assembly 4 includes a lift cylinder 41, a lift arm 42, a lift shaft 43, a lift block 44, and a lift chain 45. Meanwhile, each of the longitudinal box girders 11 includes a horizontal longitudinally extending longitudinal beam plate 111, a vertically extending end plate 112 at a rear end, and an inclined plate 113 for connecting the longitudinal beam plate 111 and the end plate 112. The rear end of the lift cylinder 41 is hinged to the head plate 112. A lift shaft support ring 114 is fixedly provided on the swash plate 113, and for example, two lift shaft support rings 114 are provided at intervals. The lift shaft 43 passes through the lift shaft support ring 114 and is rotatably coupled to the lift shaft support ring 114. The lifting arm 42 is arranged on the lifting shaft 43, for example, the lifting arm 42 is sleeved on the lifting shaft 43 by means of spline connection, and is used for ensuring that the lifting arm 42 and the lifting shaft 43 are fixed in the circumferential direction of the lifting shaft. Meanwhile, the front end of the lift cylinder 41 is hinged to the lift arm 42. In addition, the lift block 44 is provided on the lift shaft 43 using, for example, a spline-like connection. The lifting chain 45 is hung on the lifting block 44. Therefore, during the operation of the lifting cylinder 41, the lifting arm 42 is driven to move, and the lifting shaft 43 is driven to rotate due to the fixed connection between the lifting arm 42 and the lifting shaft 43 in the circumferential direction. In the rotating process of the lifting shaft 43, the lifting block 44 is driven to move axially around the lifting shaft 43, so that one end of the lifting chain 45 is hung to move, and the lifting and the descending of the goods to be carried are assisted to be completed. This supplementary lifting unit 4 can not only treat the transport object transportation in-process, fixes the rear end of treating the transport object for guarantee treat the steady transportation of transport object, thereby make this transport trailer be applicable to long-distance steady transportation. This supplementary lifting unit 4 can also assist shovel board 31 to treat the transport and promote, will treat the transport and lift off ground together, has reduced the weight lifting bearing burden of shovel board 31, can make this transport trailer use in the big transport of treating of size. It is because the auxiliary lifting assembly 4 functions as auxiliary lifting and supporting, the requirements for the blade 31, especially the longitudinal dimension of the blade 31, can be reduced in the transfer trailer of the present application. That is to say, the longitudinal dimension of the shovel plate 31 can be made smaller by the arrangement, so that when the object to be conveyed is unloaded, the unloading is convenient, the object to be conveyed can easily fall to the ground, and the conveying effect is further improved.
Preferably, the lifting block 44 is configured in an elongated shape and is disposed inside the lifting shaft 43. So that the lifting chain 45 is located inside the longitudinal box girder 11 for easy attachment of the object to be carried. The lifting block 44 is provided with a gap 46 for hanging a lifting chain 45.
Preferably, the lifting chain 45 includes an adjustment ring chain segment 451, a lifting ring chain segment 452, a butterfly ring 453, and a lifting hook 454. Wherein the adjustment ring segment 451 comprises a plurality of large rings that are looped around for hanging over the opening 46 during use. The length of the lifting chain 45 can be adjusted by selecting different loops of the adjusting ring chain section 451 to be hung at the gap 46, so that the adaptability can meet the use requirement. The butterfly loop 453 is primarily used for the quick connection and disconnection of the adjusting loop chain section 451 and the lifting loop chain section 452 for replacing the respective chain section. The lifting hook 454 is used for hooking and fixing the object to be carried. The lifting chain 45 with the structure has simple structure and strong applicability.
In one embodiment, as shown in FIG. 4, the towing tractor 2 includes a coupling disc 21, a winch 22, and a bail link 23. The connecting plate 21 is disk-shaped and is fixed to the horizontal box girder 12 during connection. Winch 22 is connected to connection plate 21 by means of a shackle connection 23 for securing winch 22, and winch 22 has a certain freedom of movement relative to connection plate 21. During the process of carrying the object to be carried, the object to be carried can be longitudinally drawn onto the blade 31 by the winch 22, and after the drawing is completed, the object to be carried can be limited by the winch 22 for ensuring the stability during the carrying. More specifically, as shown in fig. 4, two towing lugs 24 are fixedly disposed on the connecting plate 21 at intervals. Drag link shafts 25 are provided between the drag link lugs 24. A winch support plate 26 is fixedly provided to the winch 22. A winch support shaft 27 is provided on the winch support plate 26. The shackle connecting member 23 is connected at both ends thereof to the towing connecting shaft 25 and the winch supporting shaft 27 in a looped manner, respectively. A fixing hook 28 of the winch 22 is provided at a rear end of the winch 22 for fixing a front end of the object to be carried.
As shown in fig. 7, a blade attachment base 33 for holding a blade is fixedly provided at the front end of the blade 31. A blade support plate 34 is provided on the lateral box girder 12. The upper end of the blade connecting seat 33 is hinged with the blade supporting plate 34. The lower end of the shovel plate connecting seat 33 is hinged with the rear end of the tipping cylinder 32. The front end of the tilt cylinder 32 is hinged to the transverse box beam 12. Therefore, during the operation of the tipping oil cylinder 32, the blade connecting seat 33 is actuated to move, and then the blade 31 is driven to carry out lifting or lowering movement, so as to realize the lifting of the object to be carried.
In a preferred embodiment, as shown in fig. 2, the transverse box girder 12 includes a plurality of transverse plates 121 extending transversely and spaced apart from each other, and longitudinal plates 122 interposed between the adjacent transverse plates 121. The transverse box girder 12 of this arrangement can be constructed in a lattice shape, and has a simple structure and high strength, and can also assist in mounting other components well. For example, the towing tractor 2 is disposed at the lateral center of the cross plate 121, and the tilt cylinders 32 are two and symmetrical about the lateral center of the cross plate 121.
In one embodiment, as shown in fig. 3, a swing frame 52 is provided through each longitudinal box girder 11 by a pin 51 for enabling the swing frame 52 to move around the pin 51 with respect to the frame assembly 1. The traveling wheels 53 on the same side in the lateral direction are hinged to the swing frames 52 on the respective sides. Therefore, when the transportation trailer walks in the rugged and fluctuated road, the walking wheels 53 corresponding to the same swing frame 52 are not on the same ground, and the adaptability is realized through the hinged rotation of the swing frame 52 relative to the longitudinal box girder 11. It will be appreciated that traction motors 54 may also be provided on some of the road wheels 53 for increased power to drive the road wheels 53 into motion. In addition, a speed reducer 55 for connection to the road wheels 53 may be provided at the output of the traction motor 54 for adjusting the speed of the road wheels 53.
A coupling mechanism 6 is provided at the front end of the lateral box girder 12 of the transfer trailer for coupling to an external tractor so that the transfer trailer can be advanced by the tractor.
The method of carrying with a carrying trailer is described in detail below with reference to figures 1 to 7.
First, the rear end of the transfer trailer is opposed to the front end of the object to be carried, and the transfer trailer is moved backward so that the blade plate 31 approaches the object to be carried. The fixed hook 28 of the winch 22 pulling the tractor 2 is hung on the front end of the object to be carried, and then the object to be carried is pulled onto the blade 31 by the winch 22. After the dragging tractor 2 finishes dragging, the tractor is not separated from the object to be conveyed, but continues to be fixed with the object to be conveyed.
Then, the two lifting hooks 454 of the auxiliary lifting assembly 4 are respectively hung to both lateral sides of the rear end of the object to be carried. In addition, the length of the lifting chain 45 is adjusted to be tensioned. At this time, three-point fixing and bottom supporting are formed on the object to be conveyed.
Then, the tilt cylinder 32 actuates the blade 31 to be lifted. At the same time, the lifting cylinder 41 of the auxiliary lifting assembly 4 is also operated to lift the object to be carried, thereby lifting the object to be carried off the ground.
Therefore, the transport trailer can move to further convey the object to be transported to the target position. In the moving process, the stability of the object to be transported on the transport trailer is guaranteed through the three-point fixation and the bottom bearing, and long-distance transportation can be carried out. In addition, due to the adjustment function of the swing frame 52, the transfer trailer can be well adapted to uneven road surfaces during moving.
After the object to be carried is delivered to the destination, the reverse movement is performed by the tilt cylinder 32 of the blade assembly 3. At the same time, the lift cylinder 41 of the auxiliary lift assembly 4 also moves in the opposite direction for lowering the object to be carried to the ground.
Finally, the drag retractor 2 and the auxiliary lifting assembly 4 are released from the fixation of the object to be conveyed. The transfer trailer can carry out the transfer of the next object to be transferred. It should be noted that, because the shovel plate 31 of the present application can be very short in the longitudinal direction, the object to be transported can easily fall to the ground from the shovel plate 31, and the longitudinal displacement of the transportation trailer needs to be finely adjusted at most.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, the appended claims are intended to be construed to include preferred embodiments and all such changes and/or modifications as fall within the scope of the invention, and all such changes and/or modifications as are made to the embodiments of the present invention are intended to be covered by the scope of the invention.
Claims (10)
1. A transfer trailer, comprising:
a U-shaped frame assembly having two longitudinal box beams spaced apart from each other and a transverse box beam fixedly disposed between the longitudinal box beams,
a towing tractor which is fixedly arranged on the transverse box girder and faces towards the rear end,
a blade assembly, a front end of a blade of the blade assembly being hinged to the transverse box beam such that the blade moves relative to the transverse box beam under the influence of a tipping cylinder of the blade assembly,
and the auxiliary lifting assembly is arranged at the rear end of each longitudinal box girder and is used for assisting in lifting and fixing.
2. A handling trailer according to claim 1, wherein the auxiliary lifting assembly comprises:
the rear end of the lifting oil cylinder is hinged with the longitudinal box girder,
a lifting arm hinged with the front end of the lifting oil cylinder,
a lifting shaft fixedly connected with the circumferential direction of the lifting arm, wherein the lifting shaft is hinged and erected on the longitudinal box girder,
a lifting block which is sleeved on the lifting shaft in a circumferential fixed manner,
and the lifting chain is hung on the lifting block.
3. A handling trailer according to claim 2, wherein each of said longitudinal box girders comprises:
a horizontal longitudinally extending longitudinal beam panel;
an end plate which is positioned at the rear end and extends vertically,
a sloping plate for connecting the longitudinal beam plate with the end plate,
the rear end of the lifting oil cylinder is hinged to the end head plate, and a lifting shaft support ring used for erecting the lifting shaft is fixed on the inclined plate.
4. A carrier trailer according to claim 3, wherein the lifting blocks are configured as strips and arranged on the inside of the lifting axles, and wherein a break is provided in the lifting block for hanging the lifting chain.
5. A handling trailer according to claim 4, wherein the lifting chain comprises:
the chain segments are adjusted by adjusting the length of the ring segments,
the chain segment of the lifting ring is lifted,
a butterfly ring for connecting the adjustment ring segment and the lifting ring segment,
a lifting hook disposed at a distal end of the lifting loop segment.
6. A handling trailer according to any one of claims 1 to 5, wherein the towing tractor comprises:
a connecting plate for fixing on the transverse box girder,
the winch is provided with a winch which is connected with a winch,
a bail link disposed between the winch and the connection pad.
7. A carrier trailer according to any one of claims 1 to 6, wherein a blade attachment base for holding the blade is fixedly provided at the front end of the blade, a blade support plate is provided on the transverse box girder, the upper end of the blade attachment base is hinged to the blade support plate, the lower end of the blade attachment base is hinged to the rear end of the tipping cylinder, and the front end of the tipping cylinder is hinged to the transverse box girder.
8. A handling trailer according to any one of claims 1 to 7, wherein the transverse box girder comprises:
a plurality of transverse plates which extend transversely and are distributed at intervals,
a longitudinal plate clamped between the adjacent transverse plates,
the dragging tractor is arranged at the transverse center of the transverse plate, and the two tipping oil cylinders are symmetrical about the transverse center of the transverse plate.
9. A carrier trailer according to any one of claims 1 to 8, wherein a swing frame is pivotally mounted on each of the longitudinal box girders, the wheels on the same lateral side being pivotally connected to the respective swing frame.
10. A method of handling with a handling trailer according to any of claims 1 to 9, comprising:
step one, dragging the object to be conveyed to the shovel plate by using the dragging tractor, wherein the dragging tractor is fixed with the object to be conveyed,
fixing the chain of the auxiliary lifting assembly to the rear end of the object to be conveyed,
thirdly, the object to be carried is lifted by utilizing the shovel plate assembly and the auxiliary lifting assembly,
step four, the transporting trailer moves to transport the object to be transported to the target position,
step five, the object to be carried is descended by utilizing the shovel plate assembly and the auxiliary lifting assembly,
and step six, releasing the fixation of the dragging tractor and the auxiliary lifting assembly on the object to be conveyed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111273731.XA CN114017101B (en) | 2021-10-29 | 2021-10-29 | Handling trailer and method for handling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111273731.XA CN114017101B (en) | 2021-10-29 | 2021-10-29 | Handling trailer and method for handling |
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| Publication Number | Publication Date |
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| CN114017101A true CN114017101A (en) | 2022-02-08 |
| CN114017101B CN114017101B (en) | 2024-03-29 |
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| CN202111273731.XA Active CN114017101B (en) | 2021-10-29 | 2021-10-29 | Handling trailer and method for handling |
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