CN109909665B - Semi-trailer frame assembly table - Google Patents
Semi-trailer frame assembly table Download PDFInfo
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- CN109909665B CN109909665B CN201910283405.3A CN201910283405A CN109909665B CN 109909665 B CN109909665 B CN 109909665B CN 201910283405 A CN201910283405 A CN 201910283405A CN 109909665 B CN109909665 B CN 109909665B
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- lifting
- workbench
- longitudinal beam
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Abstract
The invention relates to the field of semi-trailer accessory processing equipment and discloses a semi-trailer frame assembly platform which comprises a first base, a second base and a lifting mechanism, wherein the second base is positioned at one end of the first base; the upper surfaces of the first base and the second base are respectively provided with a workbench for placing the longitudinal beams, two rows of limiting blocks for respectively abutting against one side of the two longitudinal beams are arranged on the two workbenches, and two rows of jacking mechanisms for respectively ordering the two longitudinal beams to abut against the limiting blocks are arranged on the two workbenches. The invention has the following advantages and effects: the new mechanical structure of this scheme utilization drives the second base through lifting the mechanism and goes up and down, and the workstation of first base, second base this moment is in not co-altitude to the longeron realization of the semi-trailer frame of the different models of adaptation is shelved, and the longeron carries on spacingly through the stopper earlier when shelving, compresses tightly the longeron through the tight mechanism in top then, thereby realizes welding and assembles.
Description
Technical Field
The invention relates to the field of semi-trailer accessory processing equipment, in particular to a semi-trailer frame assembling table.
Background
A semitrailer is a trailer whose axle is positioned behind the center of gravity of the vehicle (when the vehicle is evenly loaded) and which is equipped with a coupling device that transmits horizontal and vertical forces to the tractor. The semitrailer is a heavy transport vehicle connected with a semitrailer head through a towing pin. The semi-trailer frame comprises two longitudinal beams which are parallel to each other and a plurality of cross beams which are welded between the two longitudinal beams and are distributed in an arrangement manner. And the side rails of the semi-trailer frame are usually bent at one end and then extended in the horizontal direction.
At present, chinese patent with an authorization notice number of CN202377938U and an authorization notice date of 2012, 8, 15 discloses a trailer frame assembling tool, which is characterized in that: the device comprises a rack, wherein a plurality of positioning longitudinal beams distributed at intervals are arranged on an assembling table top of the rack, one end of each positioning longitudinal beam is provided with a side limiting plate, the other end of each positioning longitudinal beam is provided with a pressing air cylinder, a piston rod of each pressing air cylinder points to the side limiting plate, and the end part of each piston rod of each pressing air cylinder is fixedly provided with a side pressing plate; a lifting mechanism is arranged between the adjacent positioning longitudinal beams; the lifting mechanism comprises a group of transmission shafts which are parallel and rotatably arranged on the belly of the rack and a group of lifting cylinders corresponding to the transmission shafts in position, each transmission shaft is fixedly sleeved with a rocker arm and a pair of connecting rods, a carrier roller is arranged between the tops of each pair of connecting rods, and the lifting cylinders are hinged to the lower parts of the corresponding rocker arms; the piston rod of the lifting cylinder extends out to push the lower end of the rocker arm, the transmission shaft rotates to support the carrier roller corresponding to the upper end of the connecting rod, and the carrier roller is positioned on the same horizontal plane when lifted. In the assembly tool for the trailer frame, the I-shaped steel (equivalent longitudinal beam) is compressed by the compression cylinder to realize positioning by utilizing the action of the side limiting plate, the side compression plate and the positioning beam, so that the main cross beam is convenient to weld; and meanwhile, the carrier roller is driven to be in a tooling state when lifted by the lifting cylinder, so that the I-shaped steel can be conveniently transported on the carrier roller.
However, since the longitudinal beams of the semi-trailer frames usually extend in the horizontal direction after one end of the longitudinal beams is bent, and the longitudinal beams of the semi-trailer frames of different models are difficult to be placed on the same rack to realize positioning due to different heights of the longitudinal beams, inconvenience is caused in the production process.
Disclosure of Invention
The invention aims to provide a semi-trailer frame splicing table which has the function of realizing positioning by being matched with longitudinal beams of semi-trailer frames of different models.
The technical purpose of the invention is realized by the following technical scheme: a semi-trailer frame splicing table comprises a first base, a second base and a lifting mechanism, wherein the second base is positioned at one end of the first base; the upper surfaces of the first base and the second base are respectively provided with a workbench for placing longitudinal beams, two rows of limiting blocks for respectively abutting against one side of each longitudinal beam are arranged on the two workbenches, and two rows of jacking mechanisms for respectively driving the two longitudinal beams to abut against the limiting blocks are arranged on the two workbenches.
Through adopting above-mentioned scheme, drive the second base through lifting mechanism and go up and down, the workstation of first base, second base is in not co-altitude this moment to the longeron of the semi-trailer frame of the different models of adaptation is realized shelving, and the longeron is spacing through the stopper earlier when shelving, compresses tightly the longeron through the tight mechanism in top then, thereby realizes welding and assembles.
The invention is further provided with: the lifting mechanism comprises two oil cylinders which are fixedly arranged on the ground and positioned at two ends of the second base, a piston rod provided with the oil cylinders and a lifting seat between the second base.
Through adopting above-mentioned scheme, drive through the hydro-cylinder and lift the seat to realize lifting the seat through holding in the palm and driving the second base and go up and down, the longeron of the semi-trailer frame of the different models of final adaptation is shelved.
The invention is further provided with: the jacking mechanism comprises a jacking cylinder arranged on the workbench and a push block arranged on a piston rod of the jacking cylinder; the lower end of the limiting block is rotatably connected to the workbench, a pressing rod is arranged on the workbench in a telescopic mode in a region where the longitudinal beam is placed, an elastic piece used for driving the pressing rod to protrude out of the upper surface of the workbench is arranged between the pressing rod and the workbench, and a linkage assembly used for driving the limiting block to rotate towards a direction far away from the longitudinal beam when the pressing rod moves upwards is arranged between the pressing rod and the limiting block; and when the pressing rod is positioned at the lowest end, the limiting block extends along the vertical direction.
Through adopting above-mentioned scheme, shelve between two workstations at the longeron, the longeron pushes down the pressure lever, the stopper extends along vertical direction this moment and realizes the location after supplying the longeron to conflict, when needing the handling after welding a plurality of crossbeams on two longerons simultaneously, this moment because of pressing the upward movement of pressure lever under the effect of elastic component, the stopper orientation was kept away from the direction rotation of longeron this moment, thereby make the longeron take place under the condition of rocking at the handling in-process, the longeron is difficult for colliding with the stopper, avoid the longeron because of colliding with the stopper and appearing wearing and tearing.
The invention is further provided with: the lower extreme of stopper is provided with the pivot of rotation connection at the workstation lower surface, set up on the workstation and supply the stopper to pass and realize pivoted rotation groove, the linkage subassembly is including setting up spur rack, the setting on pressing the pressure lever and just with the ring gear of spur rack looks meshing in pivot week side.
Through adopting above-mentioned scheme, when the longeron breaks away from the workstation, according to the pressure lever upward movement under the reset action of elastic component, the rack drives the ring gear and rotates this moment directly to make the stopper rotate towards the one side of keeping away from the longeron.
By adopting the scheme, the longitudinal beam is easy to cause local abrasion by pressing the pressing rod downwards, and at the moment, in the movement process that the pushing block of the jacking cylinder is close to the longitudinal beam and tightly presses the longitudinal beam, the pushing block connected to the pushing block through the connecting rod is abutted against the wedge-shaped block, so that the pressing piece is driven to move downwards, and the upper end of the pressing rod does not protrude out of the workbench; and after the welding of the two longitudinal beams and the cross beam is completed, the piston rod of the jacking cylinder is reset, the jacking block and the wedge-shaped block are separated, so that the pressing rod can move downwards under the action of the elastic piece, and then the limiting block rotates towards the direction far away from the longitudinal beams.
The invention is further provided with: the upper end of the pressing rod is fixedly provided with a rubber end.
Through adopting above-mentioned scheme, the rubber end on the pressure bar is direct to contact with the lower surface of longeron, and the rubber end is comparatively soft this moment to be difficult for causing wearing and tearing to the lower surface of longeron.
The invention is further provided with: a plurality of grooves are formed in the area, where the longitudinal beam is placed, of one of the working tables, lifting cylinders are arranged in the grooves, lifting frames located in the grooves are arranged on piston rods of the lifting cylinders, and the lifting frames are rotatably connected with rotating rollers corresponding to the area, where the longitudinal beam is located.
By adopting the scheme: when the lifting cylinder drives the lifting frame to ascend and the rotating rollers protrude out of the workbench, the longitudinal beam can move on the plurality of rotating rollers, rolling friction is formed between the longitudinal beam and the rotating rollers at the moment, and therefore the longitudinal beam is convenient to push, and the end portions of the two longitudinal beams are convenient to align.
The invention is further provided with: the surface of the rotating roller is wrapped with a rubber cushion layer.
Through adopting above-mentioned scheme, can reduce the wearing and tearing to the longeron at the rubber cushion layer on live-rollers surface, and the frictional force between rubber cushion layer and the longeron is great for the longeron is difficult for taking place the skew along the width direction of workstation at the removal in-process.
The invention is further provided with: still include a plurality of settings two just be used for the strengthening mechanism of fixed longeron upper surface on the workstation, strengthening mechanism includes rotates the reinforcement frame of connection on the workstation through the bearing, along vertical direction threaded connection on the reinforcement frame and the lower extreme be used for supporting tightly at the reinforcement screw rod of longeron upper surface, set up the handle on the reinforcement screw rod.
By adopting the scheme, the reinforcing screw rod is tightly abutted to the upper surface of the longitudinal beam by rotating the handle, so that the longitudinal beam can be further positioned, and the fixing effect on the longitudinal beam is improved; and the reinforcing frame is rotatably connected to the workbench through the bearing, and when the longitudinal beam needs to be lifted, the reinforcing frame can be rotated to one side far away from the longitudinal beam, so that the lifting of the longitudinal beam is not influenced.
The invention is further provided with: the lower end of the reinforcing screw rod is rotatably connected with a cushion block which is used for abutting against the upper surface of the longitudinal beam.
By adopting the scheme, the reinforcing screw rod is tightly abutted against the upper surface of the longitudinal beam in the rotating process, so that the upper surface of the longitudinal beam is easily abraded; the cushion block is rotatably connected to the lower end of the reinforcing screw rod, so that the reinforcing screw rod is not in direct contact with the longitudinal beam, and abrasion to the longitudinal beam is reduced.
In conclusion, the invention has the following beneficial effects: the lifting mechanism drives the second base to lift, the workbench of the first base and the workbench of the second base are located at different heights, so that the longitudinal beams of the semitrailer frames adaptive to different models are placed, the longitudinal beams are limited through the limiting blocks when placed, and then the longitudinal beams are compressed through the jacking mechanism, so that welding and assembling are realized.
Drawings
FIG. 1 is a schematic structural view of the present invention, wherein the pressing rod is in a state of being pressed down by the longitudinal beam;
FIG. 2 is a partial cross-sectional view at A of FIG. 1 for embodying a structure of the reinforcement mechanism;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B for illustrating the structure at the rotating roller;
fig. 4 is a partial structural schematic view of the second base in fig. 1 after the second base is turned upward at a corner, for showing the structure of the pressing rod.
Reference numerals: 1. a first base; 2. a second base; 3. a lifting mechanism; 31. an oil cylinder; 32. a lifting seat; 4. a work table; 41. a rotating groove; 42. a rotating shaft; 43. a movable groove; 44. a groove; 5. a limiting block; 6. a jacking mechanism; 61. tightly pushing the air cylinder; 62. a push block; 71. a pressing lever; 711. a rubber end; 72. an elastic member; 73. a linkage assembly; 731. straight rack; 732. a ring gear; 74. a lifting cylinder; 75. a lifting frame; 76. a rotating roller; 761. a rubber cushion layer; 8. a reinforcement mechanism; 81. a reinforcing frame; 82. reinforcing the screw rod; 83. a handle; 84. and a cushion block. .
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1: a semi-trailer frame assembly platform is shown in figure 1 and comprises a first base 1, a second base 2 and a lifting mechanism 3, wherein the second base 2 is located at one end of the first base 1, and the lifting mechanism is arranged on the ground and is used for driving two ends of the second base 2 to lift. The upper surfaces of the first base 1 and the second base 2 are respectively fixedly welded with a workbench 4 for placing longitudinal beams, two rows of limiting blocks 5 for respectively abutting against one side of the two longitudinal beams are arranged on the two workbenches 4, and two rows of jacking mechanisms 6 for respectively abutting against the two longitudinal beams on the limiting blocks 5 are arranged on the two workbenches 4. The lifting mechanism 3 comprises two oil cylinders 31 which are fixedly arranged on the ground and positioned at two ends of the second base 2 in the length direction, a piston rod fixedly provided with the oil cylinders 31 and a lifting seat 32 between the second base 2, and two oil cylinders 31 arranged at two ends of the second base 2 in the width direction are connected on the same lifting seat 32. The jacking mechanism 6 comprises a jacking cylinder 61 fixedly arranged on the workbench 4 and a push block 62 fixedly arranged on a piston rod of the jacking cylinder 61.
As shown in fig. 1 and 2, a plurality of reinforcing mechanisms 8 are further included, which are provided on the two work tables 4 and are used to fix the upper surfaces of the side members. The reinforcing mechanism 8 comprises a reinforcing frame 81 rotatably connected to the workbench 4 through a bearing, a reinforcing screw 82 which is in threaded connection with the reinforcing frame 81 along the vertical direction and has a lower end for abutting against the upper surface of the longitudinal beam, and a handle 83 welded to the reinforcing screw 82, wherein a cushion block 84 is rotatably connected to the lower end of the handle 83 through the peripheral side.
As shown in fig. 1 and 3, a plurality of grooves 44 are formed in an area where the longitudinal beam is placed on the table 4 on the first base 1, a lifting cylinder 74 is fixedly arranged in the groove 44, a lifting frame 75 positioned in the groove 44 is fixedly arranged on a piston rod of the lifting cylinder 74, a rotating roller 76 corresponding to the area where the longitudinal beam is positioned is rotatably connected to the lifting frame 75, and a rubber cushion layer 761 is adhered and wrapped on the surface of the rotating roller 76.
As shown in fig. 1 and 4, a rotating shaft 42 rotatably connected to the lower surface of the worktable 4 is fixedly disposed at the lower end of the limiting block 5, and a rotating groove 41 for allowing the limiting block 5 to pass through and rotate is disposed on the worktable 4. A plurality of pressing rods 71 respectively corresponding to the plurality of limit blocks 5 are arranged in a telescopic mode in the area, where the longitudinal beams are placed, of the workbench 4, an elastic piece 72 used for driving the pressing rods 71 to protrude out of the upper surface of the workbench 4 is arranged between the pressing rods 71 and the workbench 4, and the elastic piece 72 is a spring with two ends fixedly arranged between the lower surface of the workbench 4 and the pressing rods 71. A linkage assembly 73 which drives the limiting block 5 to rotate in the direction away from the longitudinal beam when the pressing rod 71 moves upwards is arranged between the pressing rod 71 and the limiting block 5; the linkage assembly 73 includes a spur rack 731 fixedly provided on the pressing rod 71, and a ring gear 732 fixedly provided on the circumferential side of the rotation shaft 42 and engaged with the spur rack 731. A rubber end 711 is adhesively fixed to the uppermost end of the pressing rod 71, and when the pressing rod 71 is at the lowermost end, that is, the pressing rod 71 is pressed down by the longitudinal beam so that the uppermost end of the rubber end 711 is parallel to the upper surface of the table 4, the stopper 5 is in a state of extending in the vertical direction.
The implementation principle is as follows: the second base 2 is driven to ascend and descend through the lifting mechanism 3, so that the workbench 4 on the second base 2 can be located at different heights, and longitudinal beams of semi-trailer frames of different models can be placed.
When the longitudinal beams are placed on the two working tables 4, the lifting air cylinder 74 can drive the rotating rollers 76 to ascend, so that the longitudinal beams are separated from the working tables 4, and the longitudinal beams and the rotating rollers 76 are in rolling friction, so that the two longitudinal beams can be aligned at the end parts after moving.
Meanwhile, when the longitudinal beams are placed on the two working tables 4, the longitudinal beams press the rubber end 711 of the pressing rod 71 downwards, at the moment, the pressing rod 71 descends after overcoming the action of the elastic piece 72, and the limiting block 5 is rotated to the vertical state through the linkage assembly 73 so as to be abutted and positioned on one side of the longitudinal beams; in the process that the longitudinal beam is lifted to the workbench 4, the pressing rod 71 protrudes out of the upper surface of the workbench 4, and the limiting block 5 is located on one side far away from the longitudinal beam through the linkage assembly 73, so that the longitudinal beam is not easy to collide with the limiting block 5 in the descending process; meanwhile, when the longitudinal beam is lifted and separated from the workbench 4, the pressing rod 71 gradually moves upwards, and the limiting block 5 rotates to one side far away from the longitudinal beam through the linkage assembly 73, so that the longitudinal beam is not easy to collide with the limiting block 5 in the upward lifting process.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (7)
1. The utility model provides a semitrailer frame assembly platform which characterized in that: comprises a first base (1), a second base (2) positioned at one end of the first base (1), and a lifting mechanism (3) which is arranged on the ground and is used for driving two ends of the second base (2) to lift; the upper surfaces of the first base (1) and the second base (2) are respectively provided with a workbench (4) for placing longitudinal beams, two rows of limiting blocks (5) for respectively abutting against one side of each longitudinal beam are respectively arranged on the two workbenches (4), and two rows of tightening mechanisms (6) for respectively driving the two longitudinal beams to abut against the limiting blocks (5) are respectively arranged on the two workbenches (4); the jacking mechanism (6) comprises a jacking cylinder (61) arranged on the workbench (4) and a push block (62) arranged on a piston rod of the jacking cylinder (61); the lower end of the limiting block (5) is rotatably connected to the workbench (4), a pressing rod (71) is arranged in a region, where the longitudinal beam is placed, of the workbench (4) in a telescopic mode, an elastic piece (72) used for driving the pressing rod (71) to protrude out of the upper surface of the workbench (4) is arranged between the pressing rod (71) and the workbench (4), and a linkage assembly (73) used for driving the limiting block (5) to rotate towards a direction far away from the longitudinal beam when the pressing rod (71) moves upwards is arranged between the pressing rod (71) and the limiting block (5); when the pressing rod (71) is positioned at the lowest end, the limiting block (5) extends along the vertical direction; the lower extreme of stopper (5) is provided with pivot (42) of rotation connection at workstation (4) lower surface, seted up on workstation (4) and supply stopper (5) to pass and realize pivoted rotation groove (41), linkage subassembly (73) including setting up spur rack (731) on pressing pole (71), set up at pivot (42) week side and with spur rack (731) engaged with ring gear (732).
2. The semi-trailer frame assembly table of claim 1, wherein: the lifting mechanism (3) comprises two oil cylinders (31) which are fixedly arranged on the ground and positioned at two ends of the second base (2), a piston rod provided with the oil cylinders (31) and a lifting seat (32) between the second base (2).
3. The semi-trailer frame assembly table of claim 1, wherein: the upper end of the pressing rod (71) is fixedly provided with a rubber end (711).
4. The semi-trailer frame assembly table of claim 1, wherein: a plurality of grooves (44) are formed in an area for placing the longitudinal beam on one of the working tables (4), a lifting cylinder (74) is arranged in each groove (44), a lifting frame (75) located in each groove (44) is arranged on a piston rod of each lifting cylinder (74), and a rotating roller (76) corresponding to the area where the longitudinal beam is located is rotatably connected to each lifting frame (75).
5. The semi-trailer frame assembly table of claim 4, wherein: the surface of the rotating roller (76) is wrapped with a rubber cushion layer (761).
6. The semi-trailer frame assembly table of claim 1, wherein: still include a plurality of settings two just be used for fixed longeron upper surface's strengthening mechanism (8) on workstation (4), strengthening mechanism (8) include through bearing rotation connection reinforcing frame (81) on workstation (4), along vertical direction threaded connection on reinforcing frame (81) and the lower extreme be used for supporting tightly at reinforcing screw rod (82) of longeron upper surface, handle (83) of setting on reinforcing screw rod (82).
7. The semi-trailer frame assembly table of claim 6, wherein: the lower end of the reinforcing screw rod (82) is rotatably connected with a cushion block (84) which is tightly propped against the upper surface of the longitudinal beam.
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CN201910283405.3A CN109909665B (en) | 2019-04-10 | 2019-04-10 | Semi-trailer frame assembly table |
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CN201910283405.3A CN109909665B (en) | 2019-04-10 | 2019-04-10 | Semi-trailer frame assembly table |
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CN109909665A CN109909665A (en) | 2019-06-21 |
CN109909665B true CN109909665B (en) | 2021-02-19 |
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Families Citing this family (1)
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CN110587314A (en) * | 2019-10-11 | 2019-12-20 | 中船黄埔文冲船舶有限公司 | Jointed board welding platform |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100746475B1 (en) * | 2003-06-10 | 2007-08-06 | 현대중공업 주식회사 | Elastic bending system for reducing weld deformation in the fillet joint |
CN202377938U (en) * | 2011-11-24 | 2012-08-15 | 芜湖中集瑞江汽车有限公司 | Tooling for assembling frame of trailer |
CN203356914U (en) * | 2013-07-04 | 2013-12-25 | 安徽冀东华夏专用车有限公司 | Semitrailer frame crossbeam assembly welding table |
CN104842109A (en) * | 2015-05-22 | 2015-08-19 | 临沂强骏车辆有限公司 | Girder welding jig |
CN207824293U (en) * | 2018-01-10 | 2018-09-07 | 扬州中集通华专用车有限公司 | Semitrailer Rear frame assembly tooling |
CN207788111U (en) * | 2018-01-10 | 2018-08-31 | 中集车辆(集团)有限公司 | Semitrailer front frame assembly tooling |
CN208051285U (en) * | 2018-04-13 | 2018-11-06 | 广东电网有限责任公司东莞供电局 | Novel pipe fitting butt welding tool structure |
CN208196025U (en) * | 2018-04-23 | 2018-12-07 | 中集车辆(集团)有限公司 | Vehicle frame assembly tooling |
CN208450977U (en) * | 2018-06-01 | 2019-02-01 | 扬州中集通华专用车有限公司 | I-beam assembly equipment |
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