CN113212345A - Based on fork truck is with rear portion anticollision structure - Google Patents
Based on fork truck is with rear portion anticollision structure Download PDFInfo
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- CN113212345A CN113212345A CN202110590763.6A CN202110590763A CN113212345A CN 113212345 A CN113212345 A CN 113212345A CN 202110590763 A CN202110590763 A CN 202110590763A CN 113212345 A CN113212345 A CN 113212345A
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- collision
- main beam
- energy
- anticollision
- girder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/023—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/24—Arrangements for mounting bumpers on vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/24—Arrangements for mounting bumpers on vehicles
- B60R19/26—Arrangements for mounting bumpers on vehicles comprising yieldable mounting means
- B60R19/28—Metallic springs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/07504—Accessories, e.g. for towing, charging, locking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R2019/026—Buffers, i.e. bumpers of limited extent
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
- B60R2019/1806—Structural beams therefor, e.g. shock-absorbing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/24—Arrangements for mounting bumpers on vehicles
- B60R2019/247—Fastening of bumpers' side ends
Abstract
The invention discloses a rear anti-collision structure based on a forklift, which comprises an anti-collision main beam arranged in a forklift body, wherein main beam connecting blocks are welded on two sides of the anti-collision main beam, one side, far away from each other, of each main beam connecting block is welded on a frame on the rear side of the forklift body, a main beam protection buffering anti-collision mechanism is arranged on the front side of the anti-collision main beam, and a decomposition anti-collision mechanism is arranged on the front side of the anti-collision main beam and in front of the main beam protection buffering anti-collision mechanism. This based on rear portion anticollision structure for fork truck, through the setting of trapezoidal arch, trapezoidal recess, foam-rubber cushion, can increase the area of contact between lug and the crashproof girder, make crashproof girder receive the pressure reduction when receiving same impact force, and then can reduce the possibility that crashproof girder damaged, the safety in utilization is high, and through the setting of fastening bolt, screw hole, connection scute, connection iron plate, be convenient for dismantle convenient to use the energy-absorbing steel sheet.
Description
Technical Field
The invention relates to the technical field of forklifts, in particular to a rear anti-collision structure based on a forklift.
Background
Fork trucks are industrial handling vehicles, and refer to various wheeled handling vehicles that perform handling, stacking, and short-distance transport operations on piece pallet goods. The International organization for standardization ISO/TC110 is referred to as an industrial vehicle. It is commonly used for transportation of large warehouse goods, and is usually driven by an oil-burning engine or a battery. Technical parameters of the forklift are used for indicating the structural characteristics and the working performance of the forklift. The main technical parameters comprise rated lifting capacity, load center distance, maximum lifting height, gantry inclination angle, maximum running speed, minimum turning radius, minimum ground clearance, wheel base and the like. Forklifts play a very important role in logistics systems of enterprises, being the prime force among materials handling equipment. The method is widely applied to various departments in national economy such as stations, ports, airports, factories, warehouses and the like. The basic operation functions of the forklift include horizontal handling, stacking/picking, loading/unloading, and picking. The work function to be achieved according to the enterprise can be preliminarily determined from the vehicle models described above. In addition, the special operation function affects the specific configuration of the forklift, such as carrying paper rolls, molten iron and the like, and the forklift is required to be provided with accessories to complete the special function.
According to patent publication No. CN209940389U a fork truck rear axle anticollision institution, include: u type seat, the sleeve, the buffer block, a spring, the connecting rod, the end cover, the bar piece, a guide rail, the attenuator, the anticollision roof beam, sleeve of horizontal rigid coupling respectively is gone up to U type seat right-hand member face inside and outside both sides, and every sleeve inside all slides and sets up a buffer block, a buffer block is towards spring of rigid coupling on U type seat side end face, a connecting rod of horizontal rigid coupling on the buffer block right-hand member face, end cover threaded connection has the opening part on sleeve right side, and the end cover middle part opens the cross slot that supplies the connecting rod to pass, the connecting rod passes the cross slot, the bar piece slides and sets up between two horizontal parts of U type seat, a guide rail of equal rigid coupling on the U type seat horizontal part inner wall, both ends face department opens about the bar piece have with guide rail assorted recess, this fork truck rear axle anticollision institution exists following not enoughly:
(1) the force applied to the anti-collision beam is concentrated at two points, so that the anti-collision beam is easy to damage;
(2) the whole structure is integrated, so that the disassembly is inconvenient and the use is inconvenient;
(3) the collision force can not be decomposed after receiving the collision, and the anti-collision effect is poor.
Therefore, the invention provides a rear anti-collision structure based on a forklift, which solves the above mentioned problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a rear part anti-collision structure based on a forklift, which solves the problems that the force received by an anti-collision beam is concentrated at two points, the anti-collision beam is easy to damage, the whole structure is integrated, the disassembly is inconvenient, the use is inconvenient, the collision force cannot be decomposed after the collision is received, and the anti-collision effect is poor.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a rear portion anticollision structure based on fork truck, is including setting up the anticollision girder in fork truck body inside, the equal welded mounting in both sides of anticollision girder has the girder connecting block, two the equal welded mounting in one side of keeping away from each other of girder connecting block is on the frame of fork truck body rear side, the front of anticollision girder is provided with girder protection buffering anticollision institution, the front of anticollision girder and the place ahead that is located girder protection buffering anticollision institution is provided with decomposition anticollision institution.
Girder protection buffering anticollision institution is including setting up the energy-absorbing steel sheet in anticollision girder the place ahead, the equal welded mounting in both sides at the energy-absorbing steel sheet back has the connection iron plate, two the equal welded mounting in the back of connection iron plate has the connection scute, two connect the scute and all fix the front at the anticollision girder through fastening bolt, the screw hole with fastening bolt looks adaptation is seted up in the front of anticollision girder, the back fixed mounting of energy-absorbing steel sheet has the lug, the front fixed mounting of anticollision girder has trapezoidal arch, the back of lug seted up with the trapezoidal recess of trapezoidal protruding looks adaptation, trapezoidal arch is provided with a plurality ofly, and is a plurality of the foam-rubber cushion has been laid between the trapezoidal bellied surface.
Preferably, decompose anticollision institution including setting up the arc anticollision board in energy-absorbing steel sheet the place ahead, the equal welded mounting in both sides at the arc anticollision board back has a fixed block, two the surface of fixed block all rotates through the round pin axle and is connected with the rotor plate, two the surface of rotor plate all rotates through the round pin axle and is connected with the sliding block, two the equal welded mounting in the back of sliding block has T type piece, the positive both sides of energy-absorbing steel sheet have all been seted up with T type piece looks adaptation T type spout.
Preferably, horizontal component force springs are fixedly mounted on the sides, away from each other, of the two sliding blocks, stabilizing blocks are welded on the two sides of the front face of the energy-absorbing steel plate, and the ends, away from each other, of the two horizontal component force springs are fixedly connected with the inner sides of the two stabilizing blocks respectively.
Preferably, decompose anticollision institution still including fixing the positive hollow section of thick bamboo of energy-absorbing steel sheet, the inner wall sliding connection of hollow section of thick bamboo has the spliced pole, the one end of spliced pole runs through hollow section of thick bamboo and extends to the outside of hollow section of thick bamboo, the one end of spliced pole is fixed with the back of arc anticollision board, the inner wall fixed mounting of hollow section of thick bamboo has first strong magnetic disc, the other end fixed mounting of spliced pole have with the strong magnetic disc of second of first strong magnetic disc looks adaptation, the surface of the strong magnetic disc of second and the inner wall sliding connection of hollow section of thick bamboo.
Preferably, the vertical plates are welded on two sides of the forklift body, the damping springs are fixedly mounted on two sides of the back face of the arc-shaped anti-collision plate, the fitting blocks are fixedly mounted on one ends, far away from the arc-shaped anti-collision plate, of the damping springs, and the fitting blocks are fixedly mounted on the front face of the vertical plates through mounting bolts.
Preferably, the front surface of the energy-absorbing steel plate is fixedly provided with an arc-shaped rubber shock pad, and a reinforcing block is welded and fixed between the anti-collision main beam and the two main beam connecting blocks.
Preferably, the first strong magnetic disc and one side that the second strong magnetic disc is close to each other are like magnetic poles, the first strong magnetic disc with the second strong magnetic disc all adopts neodymium iron boron strong magnet.
Preferably, the front surface of the forklift body is provided with a through groove matched with the energy-absorbing steel plate in a penetrating manner, and the area of the through groove is larger than that of the energy-absorbing steel plate.
Preferably, the horizontal component force spring is a compression spring and is made of silicon-manganese spring steel.
Preferably, the damping spring is a compression spring and is made of silicon-manganese spring steel
Advantageous effects
The invention provides a rear anti-collision structure based on a forklift. Compared with the prior art, the method has the following beneficial effects:
(1) the rear anti-collision structure for the forklift is characterized in that the main beam protection buffer anti-collision mechanism comprises an energy-absorbing steel plate arranged in front of an anti-collision main beam, connecting iron blocks are welded on two sides of the back of the energy-absorbing steel plate, connecting angle plates are welded on the back of the two connecting iron blocks, the two connecting angle plates are fixed on the front of the anti-collision main beam through fastening bolts, threaded holes matched with the fastening bolts are formed in the front of the anti-collision main beam, lugs are fixedly mounted on the back of the energy-absorbing steel plate, trapezoidal bulges are fixedly mounted on the front of the anti-collision main beam, trapezoidal grooves matched with the trapezoidal bulges are formed in the back of the lugs, a plurality of trapezoidal bulges are arranged, sponge pads are laid between the surfaces of the trapezoidal bulges, the contact area between the lugs and the anti-collision main beam can be increased through the arrangement of the trapezoidal bulges, the trapezoidal grooves and the sponge pads, and further the anti-collision main beam is subjected to the same impact force, the received pressure intensity reduces, and then can reduce the possibility that crashproof roof beam damaged, and the safety in utilization is high, and through fastening bolt, screw hole, connection scute, the setting of connecting the iron plate, be convenient for dismantle convenient to use to the energy-absorbing steel sheet.
(2) The rear anti-collision structure for the forklift comprises an arc anti-collision plate arranged in front of an energy-absorbing steel plate, wherein fixed blocks are welded on two sides of the back of the arc anti-collision plate, rotating plates are rotatably connected on the surfaces of the two fixed blocks through pin shafts, sliding blocks are rotatably connected on the surfaces of the two rotating plates through pin shafts, T-shaped blocks are welded on the back of the two sliding blocks, T-shaped chutes matched with the T-shaped blocks are formed in two sides of the front of the energy-absorbing steel plate, horizontal component springs are fixedly mounted on the sides, away from each other, of the two sliding blocks, stabilizing blocks are welded on two sides of the front of the energy-absorbing steel plate, one ends, away from each other, of the two horizontal component springs are respectively and fixedly connected with the inner sides of the two stabilizing blocks, the rear anti-collision structure for the forklift further comprises a hollow cylinder fixed on the front of the energy-absorbing steel plate, and connecting columns are slidably connected with the inner wall of the hollow cylinder, the one end of spliced pole runs through hollow section of thick bamboo and extends to the outside of hollow section of thick bamboo, the one end of spliced pole is fixed with the back of arc anticollision board, the inner wall fixed mounting of hollow section of thick bamboo has first strong magnetic disc, the other end fixed mounting of spliced pole has the second strong magnetic disc with first strong magnetic disc looks adaptation, the surface of second strong magnetic disc and the inner wall sliding connection of hollow section of thick bamboo, through the setting of decomposing anticollision institution, be convenient for decompose the impact received into the component of horizontal direction and the component of vertical direction, utilize the decomposition principle of power to improve crashproof performance.
(3) This based on rear portion anticollision structure for fork truck, there is the riser through the equal welded mounting in the both sides of fork truck body, the equal fixed mounting in both sides at the arc anticollision board back has damping spring, the equal fixed mounting in one end that arc anticollision board was kept away from to two damping spring has the laminating piece, the laminating piece passes through construction bolt fixed mounting in the front of riser, through damping spring's setting, further improve anticollision performance, and through laminating piece, the riser, construction bolt's setting, be convenient for dismantle the energy-absorbing steel sheet.
(4) This based on rear portion anticollision structure for fork truck, there is arc rubber shock pad through the positive fixed mounting at the energy-absorbing steel sheet, welded fastening has the boss between crashproof girder and two girder connecting blocks, through the setting of arc rubber shock pad, is convenient for protect arc anticollision board, through the setting of boss, is convenient for guarantee the stable connection between crashproof girder and the girder connecting block, improves the stability of crashproof girder assembly.
Drawings
FIG. 1 is a perspective view of the structure of the present invention;
FIG. 2 is a perspective view of the impact main beam structure of the present invention;
FIG. 3 is a perspective view of a first perspective structure of the energy absorbing steel sheet of the present invention;
FIG. 4 is a perspective view of an arcuate bumper plate structure according to the present invention;
FIG. 5 is a perspective view of a second perspective structure of the energy absorbing steel sheet of the present invention;
FIG. 6 is a perspective cross-sectional view of a hollow cylinder structure according to the present invention;
FIG. 7 is an enlarged view of a portion of the invention at A in FIG. 1;
fig. 8 is a partial enlarged view of the invention at B in fig. 4.
In the figure: 1-forklift body, 2-collision-proof main beam, 3-main beam connecting block, 4-main beam protection buffer collision-proof mechanism, 401-energy-absorbing steel plate, 402-connecting iron block, 403-connecting angle plate, 404-fastening bolt, 405-threaded hole, 406-convex block, 407-trapezoidal protrusion, 408-trapezoidal groove, 409-spongy cushion, 5-decomposition collision-proof mechanism, 501-arc collision-proof plate, 502-fixed block, 503-rotating plate, 504-sliding block, 505-T block, 506-T sliding groove, 507-horizontal component spring, 508-stable block, 509-hollow cylinder, 510-connecting column, 511-first strong magnetic disk, 512-second strong magnetic disk, 6-vertical plate, 7-damping spring, 8-a fitting block, 9-a mounting bolt, 10-an arc rubber shock pad, 11-a reinforcing block and 12-a through groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: the utility model provides a rear portion anticollision structure based on fork truck, including setting up at 1 inside crashproof girder 2 of fork truck body, the equal welded mounting in both sides of crashproof girder 2 has girder connecting block 3, the equal welded mounting in one side of keeping away from each other of two girder connecting blocks 3 is on the frame of 1 rear side of fork truck body, the front of crashproof girder 2 is provided with girder protection buffering anticollision institution 4, the front of crashproof girder 2 and the place ahead that is located girder protection buffering anticollision institution 4 are provided with decomposition anticollision institution 5.
Girder protection buffering anticollision institution 4 is including setting up energy-absorbing steel plate 401 in crashproof girder 2 the place ahead, the buffering energy-absorbing effect has, the equal welded mounting in both sides at the energy-absorbing steel plate 401 back has connection iron plate 402, the equal welded mounting in back of two connection iron plate 402 has connection scute 403, two connection scutes 403 all fix the front at crashproof girder 2 through fastening bolt 404, the screw hole 405 with fastening bolt 404 looks adaptation is seted up in crashproof girder 2's front, the back fixed mounting of energy-absorbing steel plate 401 has lug 406, the front fixed mounting of crashproof girder 2 has trapezoidal arch 407, the trapezoidal recess 408 with trapezoidal arch 407 looks adaptation is seted up at the back of lug 406, trapezoidal arch 407 is provided with a plurality ofly, sponge pad 409 has been laid between the surface of a plurality of trapezoidal arch 407, the energy-absorbing effect has, avoid trapezoidal arch 407 direct and trapezoidal recess 408 contact, effectively protect trapezoidal arch 407 and trapezoidal recess 408.
In the embodiment of the invention, the disassembly anti-collision mechanism 5 comprises an arc-shaped anti-collision plate 501 arranged in front of the energy-absorbing steel plate 401, fixed blocks 502 are welded on two sides of the back of the arc-shaped anti-collision plate 501, rotating plates 503 are rotationally connected on the surfaces of the two fixed blocks 502 through pin shafts, sliding blocks 504 are rotationally connected on the surfaces of the two rotating plates 503 through pin shafts, T-shaped blocks 505 are welded on the back of the two sliding blocks 504, and T-shaped sliding grooves 506 matched with the T-shaped blocks 505 are arranged on two sides of the front of the energy-absorbing steel plate 401.
In the embodiment of the invention, horizontal component force springs 507 are fixedly mounted on the sides of the two sliding blocks 504 far away from each other, so that a part of impact force can be decomposed in the horizontal direction, stabilizing blocks 508 are welded on the two sides of the front surface of the energy-absorbing steel plate 401, and the ends of the two horizontal component force springs 507 far away from each other are respectively fixedly connected with the inner sides of the two stabilizing blocks 508.
In the embodiment of the invention, the disassembly anticollision mechanism 5 further comprises a hollow cylinder 509 fixed on the front surface of the energy-absorbing steel plate 401, the inner wall of the hollow cylinder 509 is connected with a connecting column 510 in a sliding manner, one end of the connecting column 510 penetrates through the hollow cylinder 509 and extends to the outside of the hollow cylinder 509, one end of the connecting column 510 is fixed with the back surface of the arc-shaped anticollision plate 501, a first strong magnetic disc 511 with strong magnetism is fixedly installed on the inner wall of the hollow cylinder 509, a second strong magnetic disc 512 matched with the first strong magnetic disc 511 is fixedly installed at the other end of the connecting column 510 with strong magnetism, and the surface of the second strong magnetic disc 512 is connected with the inner wall of the hollow cylinder 509 in a sliding manner.
In the embodiment of the invention, vertical plates 6 are welded on two sides of a forklift body 1, damping springs 7 are fixedly mounted on two sides of the back surface of an arc-shaped anti-collision plate 501, fitting blocks 8 are fixedly mounted at one ends of the two damping springs 7 far away from the arc-shaped anti-collision plate 501, and the fitting blocks 8 are fixedly mounted on the front surface of the vertical plates 6 through mounting bolts 9.
In the embodiment of the invention, the front surface of the energy-absorbing steel plate 401 is fixedly provided with an arc-shaped rubber shock pad 10, and a reinforcing block 11 is welded and fixed between the anti-collision main beam 2 and the two main beam connecting blocks 3.
In the embodiment of the invention, the sides of the first strong magnetic disc 511 and the second strong magnetic disc 512, which are close to each other, are the same-polarity magnetic poles, the damping effect is achieved by utilizing the repulsion force generated between the same-polarity magnetic poles, the first strong magnetic disc 511 and the second strong magnetic disc 512 both adopt neodymium iron boron strong magnets, the neodymium iron boron has the characteristics of small volume, light weight and strong magnetism, is a magnet with the best cost performance ratio so far, the neodymium iron boron is used as a third-generation rare earth permanent magnet material, has a very high cost performance ratio, and is widely applied to the industries of energy, transportation, machinery, medical treatment, IT, household appliances and the like.
In the embodiment of the invention, the front surface of the forklift body 1 is provided with the through groove 12 matched with the energy-absorbing steel plate 401 in a penetrating manner, and the area of the through groove 12 is larger than that of the energy-absorbing steel plate 401.
In the embodiment of the invention, the horizontal component force spring 507 is a compression spring, the horizontal component force spring 507 is made of silicon-manganese spring steel, the silicon-manganese spring steel is 60Si2Mn spring steel, the strength, elasticity and hardenability are slightly higher than 55Si2Mn, and the 60Si2Mn spring steel is suitable for manufacturing flat springs bearing large load or spiral springs with the wire diameter of less than 30mm in the industries of railway vehicles and automobile tractors, and is also suitable for manufacturing heat-resistant springs in non-corrosive media with the working temperature of less than 250 ℃, large important coiled springs bearing alternating load and working under high stress, automobile damping systems and the like.
In the embodiment of the invention, the damping spring 7 is a compression spring, and the damping spring 7 is made of silicon-manganese spring steel.
And those not described in detail in this specification are well within the skill of those in the art.
In operation, when receiving an impact, the arc-shaped anti-collision plate 501 is extruded to extrude the connecting column 510, so that the connecting column 510 slides towards the inside of the hollow cylinder 509, and further the second strong magnetic disk 512 approaches the first strong magnetic disk 511, the repulsive force between the first strong magnetic disk 511 and the second strong magnetic disk 512 and the damping spring 7 are used for buffering the impact direction, the two damping springs 7 are compressed, and the repulsive force between the first strong magnetic disk 511 and the second strong magnetic disk 512 increases to perform primary buffering, at this time, the arc-shaped anti-collision plate 501 approaches the energy-absorbing steel plate 401, the two sliding blocks 505 slide away from each other in the two T-shaped chutes 506 respectively, and further the two sliding blocks 504 move away from each other, so that the two sliding blocks 504 respectively extrude the two horizontal component springs 507, the two horizontal component springs 507 are compressed at the same time, and a part of the impact force is decomposed into horizontal component force, the shock absorption effect is improved by utilizing the force decomposition principle, the energy absorption steel plate 401 absorbs a part of energy generated by impact, after the energy absorption steel plate 401 is impacted, the trapezoidal protrusion 407 and the trapezoidal groove 408 are mutually extruded, the sponge cushion 409 is arranged to play the effect of absorbing the impact energy again and effectively protect the trapezoidal protrusion 407 and the trapezoidal groove 408 from being damaged, the trapezoidal protrusion 407 and the trapezoidal groove 408 are mutually extruded, the stress area of the anti-collision girder 2 during impact is increased, the anti-collision girder 2 is uniformly stressed and distributed, the pressure of the anti-collision girder 2 during impact is smaller, the anti-collision girder 2 is not easy to damage, when the energy absorption steel plate 401 needs to be disassembled, the fastening screw 404 is unscrewed, the fastening screw 404 comes out from the threaded hole 405, the connection angle plate 403 can be taken down from the anti-collision girder 2, the energy absorption steel plate 401 can be separated from the anti-collision girder 2, and then the mounting bolt 9 is unscrewed, two attaching blocks 8 are taken down from two vertical plates 6 respectively, the whole energy-absorbing steel plate 401 and the arc-shaped anti-collision plate 501 can be taken down at the moment, the detachment of the energy-absorbing steel plate 401 is completed, when the energy-absorbing steel plate 401 needs to be reinstalled, the two attaching blocks 8 are installed on the two vertical plates 6 respectively by screwing up the installation bolt 9, then the two connection angle plates 403 are attached to the anti-collision main beam 2, the fastening bolt 404 is screwed up, the two connection angle plates 403 are stably installed on the anti-collision main beam 2 by matching with the threaded hole 405, and the installation of the energy-absorbing steel plate 401 can be completed at the moment.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a based on rear portion anticollision structure for fork truck, is including setting up at inside crashproof girder (2) of fork truck body (1), its characterized in that: equal welded mounting in both sides of anticollision girder (2) has girder connecting block (3), two equal welded mounting in one side that girder connecting block (3) kept away from each other is on the frame of fork truck body (1) rear side, the front of anticollision girder (2) is provided with girder protection buffering anticollision institution (4), the front of anticollision girder (2) and the place ahead that is located girder protection buffering anticollision institution (4) is provided with decomposition anticollision institution (5).
The main beam protection buffering anti-collision mechanism (4) comprises an energy-absorbing steel plate (401) arranged in front of an anti-collision main beam (2), wherein connection iron blocks (402) are arranged on two sides of the back of the energy-absorbing steel plate (401) in a welding mode, connection angle plates (403) are arranged on the back of the connection iron blocks (402) in a welding mode, the connection angle plates (403) are fixed on the front of the anti-collision main beam (2) through fastening bolts (404), threaded holes (405) matched with the fastening bolts (404) are formed in the front of the anti-collision main beam (2), convex blocks (406) are fixedly arranged on the back of the energy-absorbing steel plate (401), trapezoidal bulges (407) are fixedly arranged on the front of the anti-collision main beam (2), trapezoidal grooves (408) matched with the trapezoidal bulges (407) are formed in the back of the convex blocks (406), and a plurality of the trapezoidal bulges (407) are arranged, sponge cushions (409) are paved among the surfaces of the trapezoid bulges (407).
2. The rear anti-collision structure for the forklift based on the claim 1, characterized in that: decompose anticollision institution (5) including setting up arc anticollision board (501) in energy-absorbing steel sheet (401) the place ahead, the equal welded mounting in both sides at arc anticollision board (501) the back has fixed block (502), two the surface of fixed block (502) all is connected with rotor plate (503), two through the round pin axle rotation the surface of rotor plate (503) all is connected with sliding block (504), two through the round pin axle rotation the equal welded mounting in the back of sliding block (504) has T type piece (505), energy-absorbing steel sheet (401) positive both sides have all been seted up with T type piece (505) looks adaptation T type spout (506).
3. The rear anti-collision structure for the forklift based on the claim 2, characterized in that: horizontal component force springs (507) are fixedly mounted on one sides, away from each other, of the two sliding blocks (504), stabilizing blocks (508) are welded on two sides of the front face of the energy-absorbing steel plate (401), and one ends, away from each other, of the two horizontal component force springs (507) are fixedly connected with the inner sides of the two stabilizing blocks (508) respectively.
4. The rear anti-collision structure for the forklift based on the claim 1, characterized in that: decompose anticollision institution (5) still including fixing the positive hollow section of thick bamboo (509) of energy-absorbing steel sheet (401), the inner wall sliding connection of hollow section of thick bamboo (509) has spliced pole (510), the one end of spliced pole (510) runs through hollow section of thick bamboo (509) and extends to the outside of hollow section of thick bamboo (509), the one end of spliced pole (510) is fixed with the back of arc anticollision board (501), the inner wall fixed mounting of hollow section of thick bamboo (509) has first strong magnetic disc (511), the other end fixed mounting of spliced pole (510) has second strong magnetic disc (512) with first strong magnetic disc (511) looks adaptation, the surface of second strong magnetic disc (512) and the inner wall sliding connection of hollow section of thick bamboo (509).
5. The rear anti-collision structure for the forklift based on the claim 2, characterized in that: riser (6) are all welded and installed in the both sides of fork truck body (1), the equal fixed mounting in both sides at arc anticollision board (501) back has damping spring (7), two the equal fixed mounting in one end that arc anticollision board (501) were kept away from in damping spring (7) has laminating piece (8), laminating piece (8) are through construction bolt (9) fixed mounting in the front of riser (6).
6. The rear anti-collision structure for the forklift based on the claim 1, characterized in that: the front of the energy-absorbing steel plate (401) is fixedly provided with an arc-shaped rubber shock pad (10), and a reinforcing block (11) is welded and fixed between the anti-collision main beam (2) and the two main beam connecting blocks (3).
7. The rear anti-collision structure for the forklift based on the claim 4, characterized in that: first strong magnetic disc (511) with one side that second strong magnetic disc (512) are close to each other is the homopolar magnetic pole, first strong magnetic disc (511) with second strong magnetic disc (512) all adopt the neodymium iron boron strong magnet.
8. The rear anti-collision structure for the forklift based on the claim 1, characterized in that: the front surface of the forklift body (1) penetrates through a through groove (12) matched with the energy-absorbing steel plate (401), and the area of the through groove (12) is larger than that of the energy-absorbing steel plate (401).
9. The rear anti-collision structure for the forklift based on the claim 3, characterized in that: the horizontal component force spring (507) is a compression spring, and the horizontal component force spring (507) is made of silicon-manganese spring steel.
10. The rear anti-collision structure for the forklift based on the claim 5, characterized in that: the damping spring (7) is a compression spring, and the damping spring (7) is made of silicon-manganese spring steel.
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| CN202110590763.6A CN113212345A (en) | 2021-05-28 | 2021-05-28 | Based on fork truck is with rear portion anticollision structure |
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| CN202110590763.6A CN113212345A (en) | 2021-05-28 | 2021-05-28 | Based on fork truck is with rear portion anticollision structure |
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