CN209201577U - Roll draws assembly and the machine for removing seed in water melon using roll traction assembly - Google Patents

Abstract

The utility model relates to farmland harvest equipment technical fields, it is a kind of roll traction assembly and the machine for removing seed in water melon using roll traction assembly, the former includes rack, mounting rack, bearing block, power extensible member, roll assembly and limiting device, the front and rear sides of rack left part are hinged with mounting rack, central rack is hinged at least one power extensible member that mounting rack can be pushed to rotate around dead axle line to upper right side, and the limiting device that roll assembly can be made to keep raised configuration is equipped between rack and roll assembly；The latter includes roll traction assembly, comb melon device sum aggregate melon case, collects the comb melon device for being equipped on the left of melon case and capable of removing a kind of watermelon from roll assembly and import in collection melon case.The utility model can make bearing block drive rise or the whereabouts of roll assembly by the control to power extensible member, roll assembly can be made to keep raised configuration with respect to rack by limiting device, so that the relative position of the two is made to be able to maintain good stability, it is not vulnerable.

Description

Roll draws assembly and the machine for removing seed in water melon using roll traction assembly

Technical field

The utility model relates to farmland harvest equipment technical field, it is a kind of roll traction assembly and is drawn using roll total At machine for removing seed in water melon.

Background technique

Existing machine for removing seed in water melon rolls the pickup operation realized on field to a kind of watermelon by roll assembly, transports in machine for removing seed in water melon In the process, then it needs to lift roll assembly, to prevent it from generating abrasion between road surface, and existing roll traction assembly is past Toward being drawn using end so that its movement energy consumption for lifting and transferring is big, and and not set limiting device so that rolling Roller assembly easily falls because of failure in transit, or even can damage roll assembly, and stability is poor.

Summary of the invention

The utility model provides a kind of roll traction assembly and the machine for removing seed in water melon using roll traction assembly, overcomes above-mentioned The deficiency of the prior art can effectively solve the movement energy consumption for lifting and transferring existing for the end traction of existing roll assembly Greatly, not set limiting device, stability is poor, vulnerable problem.

The technical solution of the utility model first is that being realized by following measures: a kind of roll draws assembly, including Rack, mounting rack, bearing block, power extensible member, roll assembly and limiting device, the front and rear sides of rack left part are hinged with peace Shelve, the hinge axes of mounting rack and rack be known as dead axle line, central rack be hinged at least one can push mounting rack around The power extensible member that dead axle line is rotated to upper right side, the other end of power extensible member and the corresponding position of mounting rack are hinged on one It rises, the hinge axes of power extensible member and mounting rack is known as shaft line, shaft line is located at the left side of dead axle line；Former and later two peaces Roll assembly is equipped between shelving, the rear and front end of roll assembly is equipped with end connecting shaft, and corresponding each end connects axle position Bearing block is respectively and fixedly provided on the mounting rack set, two end connecting shafts are respectively arranged in corresponding bearing block；Rack and roll The limiting device that roll assembly can be made to keep raised configuration is equipped between assembly.

Here is the further optimization and/or improvements to above-mentioned utility model technical solution:

Above-mentioned limiting device may include pull rod limit assembly, and pull rod limit assembly is located at the rear side of rack, pull rod limit group Part includes hinged seat, movable sleeve, motion bar, support rod and stay rod pin, is fixed with hinged seat on rear side of the left part of rack, on hinged seat Be hinged with movable sleeve, be set in movable sleeve can opposite movable sleeve sliding motion bar, under the right end and support rod of motion bar Portion is hinged, and the top of support rod is hinged with the mounting rack for being located at rear side, and the left end of motion bar is located at movable sleeve Left, movable sleeve is equipped with pull rod limit hole, can be aligned at least one is equipped with pull rod limit hole on motion bar along left and right Pull rod movable span, have a pull rod movable span can be risen in roll assembly and when support rod state in a vertical shape with pull rod limit hole Alignment, pull rod limit hole and the pull rod movable span aligned are by together with stay rod pin limit installation, the middle part rear side of rack Equipped with can limited support bar lower end after-opening slot, the lower end of support rod in a vertical shape can block under roll assembly raised configuration Enter in after-opening slot.

Rear detent block can be fixed in the rack of above-mentioned corresponding after-opening groove location, after being formed between rear detent block and rack Open slot, rear detent block include rear right side plate and rear bottom plate, and the lower end of rear right side plate and the right end of rear bottom plate are fixed together, after Medial surface of the trailing flank of right side plate and rear bottom plate with rack is fixed together, in a vertical shape under roll assembly raised configuration The lower end of support rod can be against on rear bottom plate.

Above-mentioned limiting device may also include plug-in type limit assembly, and plug-in type limit assembly is located at the front side of rack, plug Formula limit assembly includes plug bar and plug pin, and plug bar is hinged on the mounting rack of front side；The front inner of rack is solid Surely there is preceding detent block, form the open front slot that can limit plug bar lower end between preceding detent block and rack, risen in roll assembly The lower end of plug bar in a vertical shape can be caught in open front slot under state；Preceding detent block includes preceding right side plate and noseplate, preceding The lower end of right side plate and the right end of noseplate are fixed together, the leading flank of preceding right side plate and noseplate with rack medial surface Corresponding position is fixed together, and the lower end of plug bar in a vertical shape can be against on noseplate under roll assembly raised configuration, The lower end of preceding right side plate and plug bar be equipped with can corresponding plug hole, and the lower end for the plug bar being caught in open front slot with Preceding right side plate sequentially passes through corresponding plug hole limit by plug pin and links together.

Above-mentioned mounting rack may include cross bar, vertical pole and rinforcement bar, and the left end of cross bar is fixed with bearing block, the lower end position of vertical pole In bearing block right and be fixed together on the upside of cross bar, reinforcing is fixed between the right side of vertical pole and the upside of cross bar Muscle, corresponding position of the both ends of rinforcement bar respectively with cross bar and vertical pole are fixed together, and are fixed with a high position on the upside of the right part of rack Bracket, the right end of cross bar is lower than horizontal plane where shaft line, and the right end of cross bar and corresponding position on the left of high-level bracket are hinged Together, the hinge axes of cross bar and high-level bracket are known as dead axle line, and dead axle line is located at the lower right of shaft line.

The front and rear sides of above-mentioned central rack can hingedly dynamic extensible member, the other end of two power extensible members be distinguished It is hinged with corresponding mounting rack.

Above-mentioned power extensible member can be fluid cylinder, and fluid cylinder includes cylinder body and piston rod, and the lower end of piston rod is installed in cylinder body, The lower end of cylinder body is hinged on the corresponding position of central rack, and the upper end of piston rod and the corresponding position of mounting rack are hinged.

Above-mentioned roll assembly may include front side board, back side panel, roll ontology and roll melon tooth, pacify between front side board and back side panel Equipped with roll ontology, the outside of roll ontology, which circumferentially has, rolls melon tooth, is all provided on rear side of the front side of front side board and back side panel There is the end connecting shaft that it can be driven to rotate synchronously.

The technical solution of the utility model second is that being realized by following measures: it is a kind of drawn using above-mentioned roll it is total At machine for removing seed in water melon, including roll traction assembly, comb melon device sum aggregate melon case are fixed with the collection melon of opening upwards on the upside of the right part of rack Case, collection melon case are located at the right of roll assembly, collect and be equipped on the left of melon case and can a kind of watermelon be removed and be imported from roll assembly Collect the comb melon device in melon case.

The utility model reasonable and compact in structure, it is easy to use, by keeping the middle part of power extensible member and rack hinged, And keep the other end of power extensible member and mounting rack hinged, mounting rack can be enable around dead axle line by the control to power extensible member It rotates or resets to upper right side, so as to drive rise or the whereabouts of roll assembly, and power extensible member and machine by bearing block The middle part of frame can hingedly shorten the arm of force of activation force, thus reduce activation force, the energy loss of reduction movement variation； Roll assembly can be made to keep raised configuration with respect to rack by limiting device, so that it is good to be able to maintain the relative position of the two Stability, it is not vulnerable, also have the characteristics that simple, convenient laborsaving.

Detailed description of the invention

Attached drawing 1 is main view broken section structural representation of the utility model embodiment one under roll assembly falling state Figure.

Attached drawing 2 is broken section structural schematic diagram of the attached drawing 1 under roll assembly raised configuration.

Attached drawing 3 is the vertical view broken section structural schematic diagram of attached drawing 1.

Attached drawing 4 is the partial enlargement structural representation at A of attached drawing 3.

Attached drawing 5 is the partial enlargement structural representation at B of attached drawing 3.

Attached drawing 6 is the main view broken section structural schematic diagram of the utility model embodiment two.

Coding in attached drawing is respectively as follows: 1 for rack, and 2 be bearing block, and 3 be hinged seat, and 4 be movable sleeve, and 5 be motion bar, and 6 It is stay rod pin for support rod, 7,8 be rear right side plate, and 9 be rear bottom plate, and 10 be plug bar, and 11 be plug pin, and 12 be preceding right side plate, 13 be noseplate, and 14 be cross bar, and 15 be vertical pole, and 16 be rinforcement bar, and 17 be high-level bracket, and 18 be cylinder body, and 19 be piston rod, and 20 are Front side board, 21 be back side panel, and 22 be roll ontology, and 23 is roll melon tooth, and 24 be comb melon device, and 25 be collection melon case.

Specific embodiment

The utility model is not limited by following embodiments, can technical solution according to the present utility model and actual conditions Determine specific embodiment.

In the present invention, for ease of description, the description of the relative positional relationship of each component is according to specification The Butut mode of attached drawing 1 is described, such as: front, rear, top, and bottom, left and right positional relationship be according to Figure of description Butut direction determine.

The utility model is further described below with reference to examples and drawings:

Embodiment one: as shown in attached drawing 1,2,3,4,5, the roll traction assembly include rack 1, mounting rack, bearing block 2, The front and rear sides of power extensible member, roll assembly and limiting device, 1 left part of rack are hinged with mounting rack, by mounting rack and machine The hinge axes of frame 1 are known as dead axle line, at least one is hinged in the middle part of rack 1 can push mounting rack to turn around dead axle line to upper right side Dynamic power extensible member, the other end of power extensible member and the corresponding position of mounting rack are hinged, by power extensible member with The hinge axes of mounting rack are known as shaft line, and shaft line is located at the left side of dead axle line；Roll is equipped between former and later two mounting racks Assembly, the rear and front end of roll assembly are equipped with end connecting shaft, and corresponding each end connects solid on the mounting rack of shaft position Surely there is bearing block 2, two end connecting shafts are respectively arranged in corresponding bearing block 2；Energy is equipped between rack 1 and roll assembly Roll assembly is set to keep the limiting device of raised configuration.In use process, the present embodiment and tractor can be used, make to drag The headstock of machine drawing links together towards right, the tailstock of the right end and tractor that make rack 1, then can be driven by tractor The present embodiment moves right, and tractor power extensible member is made to provide flexible power；When needing replacing operation field or be retracted to When destination, power extensible member can be driven to make it in extended state by tractor, mounting rack will be around dead axle line to upper right at this time Fang Xuanzhuan to be lifted roll assembly to making itself and ground keep certain distance by hinged seat 3, and makes roll assembly and rack 1 is linked together by limiting device limit, and roll assembly can keep rising up and away from the state on ground at this time, can be used to transport It is defeated；When the present embodiment, which brings field by tractor, to be needed to pick up a kind of watermelon, it can first release limiting device and raised configuration is rolled The limit of roller assembly, then make power extensible member in contraction state, roll assembly can keep falling within the state on field at this time, can For picking up a kind of watermelon.The present embodiment reasonable and compact in structure by keeping power extensible member and the middle part of rack 1 hinged, and makes The other end of power extensible member and mounting rack are hinged, can enable mounting rack around dead axle line to upper right by the control to power extensible member Fang Xuanzhuan or reset, so as to drive rise or the whereabouts of roll assembly, and power extensible member and rack 1 by bearing block 2 Middle part can hingedly shorten the arm of force of activation force, thus reduce activation force, the energy loss of reduction movement variation；Pass through Limiting device can make roll assembly keep raised configuration with respect to rack 1, so that it is good steady to be able to maintain the relative position of the two It is qualitative, it is not vulnerable, also have the characteristics that simple, convenient laborsaving.

Above-mentioned roll traction assembly can be made further optimization and/or improvements according to actual needs:

As shown in attached drawing 1,2,3,4, limiting device includes pull rod limit assembly, after pull rod limit assembly is located at rack 1 Side, pull rod limit assembly include hinged seat 3, movable sleeve 4, motion bar 5, support rod 6 and stay rod pin 7, and the left part rear side of rack 1 is solid Surely there is hinged seat 3, movable sleeve 4 be hinged on hinged seat 3, the motion bar 5 that the opposite movable sleeve 4 of energy slides is set in movable sleeve 4, Together with the lower hinge of support rod 6, the top of support rod 6 is hinged on the right end of motion bar 5 with the mounting rack for being located at rear side Together, the left end of motion bar 5 is located at the left of movable sleeve 4, and movable sleeve 4 is equipped with pull rod limit hole, on motion bar 5 along left and right to Equipped with the pull rod movable span that at least one can be aligned with pull rod limit hole, have a pull rod movable span can be risen in roll assembly and It is aligned when 6 state in a vertical shape of support rod with pull rod limit hole, pull rod limit hole and the pull rod movable span aligned pass through pull rod Pin 7 is mounted together, the after-opening slot of 6 lower end of energy limited support bar is equipped on rear side of the middle part of rack 1, in roll assembly liter The lower end of support rod 6 in a vertical shape can be caught in after-opening slot under the state of rising.When in use, when need replacing operation field or When being retracted to destination, first removing stay rod pin 7 enables motion bar 5 to move left and right with respect to movable sleeve 4, can pass through tractor driving later Dynamic power extensible member can push to the right motion bar 5 to make at this time to be lifted roll assembly to making it keep certain distance with ground The state in a vertical shape of support rod 6, and it is caught in the lower end of support rod 6 in after-opening slot, then stay rod pin 7 can be sequentially passed through pull rod Thus limit hole and the pull rod movable span aligned can realize pull rod limit assembly to the limit of the roll assembly in raised configuration Position holding effect；When needing to release pull rod limit assembly and carrying out a pickup kind of watermelon, first stay rod pin 7 can be removed, in driving power Extensible member is taken advantage of a situation while contraction twitches motion bar 5 to the left, and the lower end of support rod 6 will be disengaged from after-opening slot at this time, and with rolling The whereabouts of roller assembly resets, the pull rod movable span that stay rod pin 7 can be sequentially passed through to pull rod limit hole later and aligned, thus It can avoid motion bar 5 and generate movement relative to movable sleeve 4 when picking up a kind of watermelon.

As shown in attached drawing 1,2,3,4, be fixed with rear detent block in the rack 1 of corresponding after-opening groove location, rear detent block with After-opening slot is formed between rack 1, rear detent block includes rear right side plate 8 and rear bottom plate 9, the lower end of rear right side plate 8 and rear bottom plate 9 Right end be fixed together, medial surface of the trailing flank of rear right side plate 8 and rear bottom plate 9 with rack 1 is fixed together, in roll The lower end of support rod 6 in a vertical shape can be against on rear bottom plate 9 under assembly raised configuration.Thus it can pass through rear detent block and rack 1 forms after-opening slot, plays position-limiting action so as to the lower end to support rod 6 in a vertical shape under roll assembly raised configuration. According to demand, rear detent block can be wholely set with rack 1 or is fixed together by existing well-known techniques such as welding with rack 1.

As shown in attached drawing 1,2,3,5, limiting device further includes plug-in type limit assembly, and plug-in type limit assembly is located at rack 1 front side, plug-in type limit assembly include plug bar 10 and plug pin 11, and plug bar is hinged on the mounting rack of front side 10；Detent block before the front inner of rack 1 is fixed with, 10 lower end of plug bar can be limited by being formed between preceding detent block and rack 1 Open front slot, the lower end of plug bar 10 in a vertical shape can be caught in open front slot under roll assembly raised configuration；Preceding detent Block includes preceding right side plate 12 and noseplate 13, and the lower end of preceding right side plate 12 and the right end of noseplate 13 are fixed together, preceding right side Corresponding position of the leading flank of plate 12 and noseplate 13 with 1 medial surface of rack is fixed together, in roll assembly raised configuration Under the lower end of plug bar 10 in a vertical shape can be against on noseplate 13, the lower end of preceding right side plate 12 and plug bar 10 is equipped with energy Corresponding plug hole, and the lower end for the plug bar 10 being caught in open front slot is successively worn with preceding right side plate 12 by plug pin 11 Corresponding plug hole limit is crossed to link together.According to demand, preceding detent block can be wholely set with rack 1 or be showed by welding etc. There is well-known technique to be fixed together with rack 1.When in use, it when needing replacing operation field or being retracted to destination, first takes Lower plug pin 11 can drive power extensible member by tractor later to be lifted roll assembly to making it keep certain with ground Distance can push plug bar 10 to make its state in a vertical shape at this time, and be caught in the lower end of plug bar 10 in open front slot, then may be used Plug pin 11 is sequentially passed through into corresponding plug hole, plug-in type limit assembly thus can be realized to total in the roll of raised configuration At limit holding effect；When needing to release pull rod limit assembly and carrying out a pickup kind of watermelon, first plug pin 11 can be removed, and will Plug bar 10 is transferred to out of preceding open slot, at this time plug bar 10 by power extensible member shrink under the action of with roll assembly It falls and resets.

As shown in attached drawing 1,2,3,4,5, mounting rack includes cross bar 14, vertical pole 15 and rinforcement bar 16, and the left end of cross bar 14 is solid Surely there is bearing block 2, the lower end of vertical pole 15 is located at the right of bearing block 2 and is fixed together with the upside of cross bar 14, vertical pole 15 It is fixed with rinforcement bar 16 between right side and the upside of cross bar 14, the both ends of rinforcement bar 16 are corresponding with cross bar 14 and vertical pole 15 respectively Position is fixed together, and high-level bracket 17 is fixed on the upside of the right part of rack 1, and the right end of cross bar 14 is horizontal lower than where shaft line Face, and the right end of cross bar 14 and the corresponding position in 17 left side of high-level bracket are hinged, the hinge of cross bar 14 and high-level bracket 17 Spindle line is known as dead axle line, and dead axle line is located at the lower right of shaft line.Since triangle has stability, mounting rack thus can be made Good intensity is kept, the strength demand for driving roll assembly to rise and fall is met；The setting of high-level bracket 17 can make to install Frame is hinged by high-level bracket 17 with rack 1；According to demand, high-level bracket 17 can with rack 1 by be welded and fixed for One is wholely set or is fixedly installed togather.

As shown in attached drawing 1,2,3,4,5, the hinged dynamic extensible member in the front and rear sides at 1 middle part of rack, two power are stretched The other end of contracting part is hinged with corresponding mounting rack respectively.It can by the setting of the power extensible members of front and rear sides Power is provided to mounting rack simultaneously, so that the mounting rack of two sides be enable to rotate synchronously, and keeps good stability.

As shown in attached drawing 1,2,3,4,5, power extensible member is fluid cylinder, and fluid cylinder includes cylinder body 18 and piston rod 19, piston rod 19 lower end is installed in cylinder body 18, and the lower end of cylinder body 18 is hinged on the corresponding position at the middle part of rack 1, the upper end of piston rod 19 with The corresponding position of mounting rack is hinged.Thus hydraulic output can be realized to fluid cylinder by tractor, to pass through piston rod Rise and falling operation of the 19 flexible realization to roll assembly.

As shown in attached drawing 1,2,3,4,5, roll assembly includes front side board 20, back side panel 21, roll ontology 22 and rolls melon tooth 23, roll ontology 22 is installed, the outside of roll ontology 22, which circumferentially has, rolls melon tooth between front side board 20 and back side panel 21 23, the front side of front side board 20 and the rear side of back side panel 21 are equipped with the end connecting shaft that it can be driven to rotate synchronously.Thus can make Roll assembly meets the pickup to a kind of watermelon and operates.

Embodiment two: as shown in attached drawing 1,2,3,4,5,6, this draws the machine for removing seed in water melon of assembly using above-mentioned roll, including rolls Roller draws assembly, comb 24 sum aggregate melon case 25 of melon device, and the collection melon case 25 of opening upwards is fixed on the upside of the right part of rack 1, collects melon case 25 are located at the right of roll assembly, and the left side of collection melon case 25, which is equipped with, can remove from roll assembly by a kind of watermelon and import collection melon case Comb melon device 24 in 25.Thus the collection operation of a kind of watermelon can be completed through this embodiment, and after the completion of a kind of watermelon is collected, can be risen Transition displacement is carried out after roll assembly, it can be without having to worry about roll assembly because under lifting failure by adding for limiting device It falls, it is with good stability.According to demand, when being fixed with high-level bracket 17 on the upside of the right part of rack 1, collection melon case 25 can seat In on high-level bracket 17；Existing well-known technique can be used in comb melon device 24.

The above technical characteristic constitutes the embodiments of the present invention, can with stronger adaptability and implementation result Increase and decrease non-essential technical characteristic, according to actual needs to meet the needs of different situations.

Claims (10)

1. a kind of roll draws assembly, it is characterised in that including rack, mounting rack, bearing block, power extensible member, roll assembly and The front and rear sides of limiting device, rack left part are hinged with mounting rack, and the hinge axes of mounting rack and rack are known as dead axle line, Central rack is hinged at least one power extensible member that mounting rack can be pushed to rotate around dead axle line to upper right side, power extensible member The other end and mounting rack corresponding position it is hinged, the hinge axes of power extensible member and mounting rack are known as moving axis Line, shaft line are located at the left side of dead axle line；Roll assembly is equipped between former and later two mounting racks, the rear and front end of roll assembly is equal Equipped with end connecting shaft, bearing block, two end connecting shafts are respectively and fixedly provided on the mounting rack of corresponding each end connection shaft position It is respectively arranged in corresponding bearing block；The limit that roll assembly can be made to keep raised configuration is equipped between rack and roll assembly Device.

2. roll according to claim 1 draws assembly, it is characterised in that limiting device includes pull rod limit assembly, pull rod Limit assembly is located at the rear side of rack, and pull rod limit assembly includes hinged seat, movable sleeve, motion bar, support rod and stay rod pin, machine It is fixed with hinged seat on rear side of the left part of frame, movable sleeve is hinged on hinged seat, being set in movable sleeve can opposite movable sleeve sliding Motion bar, the right end of motion bar together with the lower hinge of support rod, the top of support rod be located at rear side mounting rack Hinged, the left end of motion bar is located at the left of movable sleeve, and movable sleeve is equipped with pull rod limit hole, edge left and right on motion bar To at least one pull rod movable span that can be aligned with pull rod limit hole is equipped with, there is a pull rod movable span that can rise in roll assembly And be aligned when support rod state in a vertical shape with pull rod limit hole, pull rod limit hole and the pull rod movable span aligned pass through pull rod Pin is mounted together, and the after-opening slot of energy limited support bar lower end is equipped on rear side of the middle part of rack, rises in roll assembly The lower end of support rod in a vertical shape can be caught in after-opening slot under state.

3. roll according to claim 2 draws assembly, it is characterised in that fixed in the rack of corresponding after-opening groove location There is rear detent block, form after-opening slot between rear detent block and rack, rear detent block includes rear right side plate and rear bottom plate, rear right side The lower end of plate and the right end of rear bottom plate are fixed together, and the trailing flank of rear right side plate and rear bottom plate is fixed with the medial surface of rack Together, after the lower end of support rod in a vertical shape can be against under roll assembly raised configuration on bottom plate.

4. roll according to claim 2 or 3 draws assembly, it is characterised in that limiting device further includes plug-in type limit group Part, plug-in type limit assembly are located at the front side of rack, and plug-in type limit assembly includes plug bar and plug pin, the peace positioned at front side It shelves and is hinged with plug bar；Detent block before the front inner of rack is fixed with, being formed between preceding detent block and rack can limit The open front slot of plug bar lower end, the lower end of plug bar in a vertical shape can be caught in open front slot under roll assembly raised configuration It is interior；Preceding detent block includes preceding right side plate and noseplate, and the lower end of preceding right side plate and the right end of noseplate are fixed together, preceding right side Corresponding position of the leading flank of plate and noseplate with rack medial surface is fixed together, in perpendicular under roll assembly raised configuration The lower end of the plug bar of straight shape can be against on noseplate, and the lower end of preceding right side plate and plug bar is equipped with can corresponding plug Hole, and the lower end for the plug bar being caught in open front slot sequentially passes through corresponding plug hole by plug pin with preceding right side plate and limits It links together.

5. roll according to claim 1 or 2 or 3 draws assembly, it is characterised in that mounting rack includes cross bar, vertical pole and adds Gu muscle, the left end of cross bar are fixed with bearing block, the lower end of vertical pole be located at the right of bearing block and be fixed on one on the upside of cross bar It rises, is fixed with rinforcement bar between the right side of vertical pole and the upside of cross bar, the both ends of rinforcement bar are corresponding with cross bar and vertical pole respectively Position is fixed together, and high-level bracket is fixed on the upside of the right part of rack, and the right end of cross bar is lower than horizontal plane where shaft line, and The right end of cross bar and corresponding position on the left of high-level bracket are hinged, and the hinge axes of cross bar and high-level bracket are known as dead axle Line, dead axle line are located at the lower right of shaft line.

6. roll according to claim 4 draws assembly, it is characterised in that mounting rack includes cross bar, vertical pole and rinforcement bar, The left end of cross bar is fixed with bearing block, the lower end of vertical pole be located at the right of bearing block and be fixed together on the upside of cross bar, indulge Rinforcement bar is fixed between the right side of bar and the upside of cross bar, the both ends of rinforcement bar are solid with the corresponding position of cross bar and vertical pole respectively It is scheduled on together, is fixed with high-level bracket on the upside of the right part of rack, the right end of cross bar is lower than horizontal plane where shaft line, and cross bar Right end and the corresponding position on the left of high-level bracket are hinged, and the hinge axes of cross bar and high-level bracket are known as dead axle line, fixed Axis is located at the lower right of shaft line.

7. roll described according to claim 1 or 2 or 3 or 6 draws assembly, it is characterised in that the front and rear sides of central rack are equal Hinged dynamic extensible member, the other end of two power extensible members are hinged with corresponding mounting rack respectively；Or/and it is dynamic Power extensible member is fluid cylinder, and fluid cylinder includes cylinder body and piston rod, and the lower end of piston rod is installed in cylinder body, and the lower end of cylinder body is hinged on The corresponding position of central rack, the upper end of piston rod and the corresponding position of mounting rack are hinged.

8. roll according to claim 4 draws assembly, it is characterised in that the front and rear sides of central rack are hinged with dynamic Power extensible member, the other end of two power extensible members are hinged with corresponding mounting rack respectively；Or/and power extensible member For fluid cylinder, fluid cylinder includes cylinder body and piston rod, and the lower end of piston rod is installed in cylinder body, and the lower end of cylinder body is hinged on central rack Corresponding position, the upper end of piston rod and the corresponding position of mounting rack are hinged.

9. roll described according to claim 1 or 2 or 3 or 6 or 8 draws assembly, it is characterised in that roll assembly includes front side Plate, back side panel, roll ontology and melon tooth is rolled, roll ontology, the outer lateral edge of roll ontology are installed between front side board and back side panel Circle distribution, which has, rolls melon tooth, and the end that being equipped on rear side of the front side of front side board and back side panel can drive it to rotate synchronously connects Axis.

10. a kind of machine for removing seed in water melon using the traction assembly of roll described in any one of any one of claims 1 to 99, it is characterised in that including Roll draws assembly, comb melon device sum aggregate melon case, and the collection melon case of opening upwards is fixed on the upside of the right part of rack, and collection melon case, which is located at, to be rolled The right of roller assembly collects the comb melon for being equipped on the left of melon case and capable of removing a kind of watermelon from roll assembly and import in collection melon case Device.