CN218318653U - Container caster main body structure - Google Patents

Container caster main body structure Download PDF

Info

Publication number
CN218318653U
CN218318653U CN202221929022.2U CN202221929022U CN218318653U CN 218318653 U CN218318653 U CN 218318653U CN 202221929022 U CN202221929022 U CN 202221929022U CN 218318653 U CN218318653 U CN 218318653U
Authority
CN
China
Prior art keywords
platform
top plate
plug
container
body structure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202221929022.2U
Other languages
Chinese (zh)
Inventor
沈彦杰
许小敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Huanyu Logistics Technology Co Ltd
Dongfang International Container Qidong Co Ltd
Original Assignee
Shanghai Huanyu Logistics Technology Co Ltd
Dongfang International Container Qidong Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Huanyu Logistics Technology Co Ltd, Dongfang International Container Qidong Co Ltd filed Critical Shanghai Huanyu Logistics Technology Co Ltd
Priority to CN202221929022.2U priority Critical patent/CN218318653U/en
Application granted granted Critical
Publication of CN218318653U publication Critical patent/CN218318653U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Handcart (AREA)

Abstract

The utility model belongs to the technical field of containers, in particular to a main body structure of a container caster, which comprises a platform top plate, a plug mounting hole and a platform ridge beam arranged on the platform top plate, wherein the plug mounting hole is arranged along the length direction of the platform top plate; and one end of the plug penetrates through the plug mounting hole and then is connected with the platform ridge beam. The utility model discloses avoided the container to jam and the economic loss who arouses because of the assembly line that the truckle damaged arouses at production line circulation in-process, let the truckle possess normal life-span under high-speed collision, this has avoided frequent maintenance and the economic loss who brings of reproduction.

Description

Container caster main body structure
Technical Field
The utility model belongs to the technical field of the container, especially, relate to container truckle major structure.
Background
The continuous epidemic situation forces the container manufacturing enterprises to make efforts to improve the production efficiency and develop the production potential. The production beat on the production line is further accelerated, and the flow of the container on each station is greatly accelerated.
The container is transferred between different production stations on the track while on the production line. The container is provided with truckles below the bottom corner pieces, and a chain type tractor hooks a truckle frame to pull the container to rapidly move to the next station. When the container arrives at a target station, the wheels of the trundles collide with the limiting blocking shafts arranged on the edges of the rails, and hard braking is realized. In addition, on the buffer line, the working condition that two container casters collide with each other can also occur.
As shown in fig. 6, when two casters contact and collide, the two casters are momentarily static, the container on the casters continues to move in the original movement direction due to the inertia effect until the container caster plug is completely contacted with the inner wall of the corner fitting bottom hole, the inertia movement of the container brings huge impact shear force to the plug of the container caster, and after repeated collision, the plug and the welding line of the platform joint area are broken, so that the broken end fails.
And with the increase of the production speed, the traction speed of the container is increased, based on the kinetic energy equation W =1/2mv ^2, when the mass is unchanged, the increase of the kinetic energy is the square of the increase of the speed, for example, the speed is increased to 1.3 times, then the kinetic energy is increased to 1.3^2=1.69 times, which brings about the sharp increase of the collision energy of the caster wheel with the baffle shaft during braking, and the caster wheel is broken and failed in a large amount in the production process after the speed is increased.
The truckles are damaged, on one hand, normal production beat is interrupted, and the replacement of the truckles requires hoisting equipment to hoist the container, so that a large amount of time is consumed, the production line is blocked, the production is seriously influenced, and great economic loss is caused; on the other hand, frequent repairs, and even remaking of casters, waste significant labor and material costs.
Therefore, the main structure of the conventional common caster cannot adapt to the working scene of high-speed drawing boxes, and the development of the anti-collision caster suitable for the container in the scene of high-speed drawing boxes is urgent.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model adopts the following technical scheme:
the container caster body structure comprises
A platform top plate provided with a plug mounting hole and arranged on the platform top plate
A platform ridge beam arranged along the length direction of the platform top plate,
and one end of the plug penetrates through the plug mounting hole and then is connected with the platform ridge beam.
In some forms, the land is disposed along a length of the land top plate, and one end of the land extends to a middle of the plug mounting hole.
In some forms, the platform ridge and the corner piece connecting end of the plug are respectively positioned on two sides of the platform top plate; the outer edge part of the rear edge part of the platform top plate protrudes out of the outer edge of the bottom end of the corner fitting to be connected.
In some modes, a platform front baffle is arranged at the front end of the platform top plate, platform skirt plates are arranged on two sides of the front part of the lower side surface of the platform top plate, and two ends of any one platform skirt plate are respectively connected with the platform front baffle.
In some forms the platform front rail envelopes a front end of the platform top plate.
In some forms, the platform front bumper is U-shaped, and three sides of the platform front bumper are connected to three edges of the front end of the platform top plate respectively.
In some modes, the inner sides of the two bending arms of the platform front bumper are respectively connected with one ends of two platform skirt boards; one end of the platform skirt is adapted to be connected to the front side end of the leg assembly.
The utility model has the advantages that:
the container truckle can be solved and three kinds of typical inefficacys of broken end, platform bending, broken leg that the container truckle takes place under high-speed collision have been avoided the container to circulate the in-process because of the truckle damages the assembly line that arouses and block up and the economic loss that arouses, let the truckle possess normal life-span under high-speed collision, this economic loss that has avoided frequent maintenance and reproduction to bring.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a schematic view of the main structure of the present invention;
FIG. 3 is a perspective view of an exemplary leg assembly of the caster;
fig. 4 is a schematic perspective view of an application example of the present invention;
FIG. 5 is a schematic view of the structure of a product to be improved;
fig. 6 is a schematic collision diagram of the caster in use.
In the figure:
100 caster body, 110 platform top plate, 112 rear ridge, 120 spigot, 130 platform ridge, 200 leg assembly, 210U-shaped corner piece, 211 leg support arm, 220 leg envelope plate, 230 axle, 310 platform skirt, 320 platform front stop.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
a container caster main body structure (caster main body 100) having
A platform top plate 110, the outer edge of the rear edge part 112 of which protrudes out of the outer edge of the bottom end of the corner fitting 400 to be connected, and a platform ridge beam 130 arranged on the platform top plate 110, arranged along the length direction of the platform top plate 110,
a plug 120 having one end connected to the platform ridge beam 130.
In some examples, the container caster body structure may be provided with a leg assembly 200 having
And one end of at least one cylindrical leg is connected with the side of the platform top plate 110 provided with the platform ridge beam 130, the other end of the cylindrical leg is used for arranging the wheel shaft 230, and the upper edge openings of the cylindrical legs are connected with the platform top plate 130. The land beam 130 may be a bar-shaped square column.
The platform top plate 110 is provided with a plug mounting hole, one end of the platform ridge beam 130 extends to the middle of the plug mounting hole, one end of the plug 120 passes through the plug mounting hole and then is connected with the platform ridge beam 130, and the connected link mode can adopt welding. One end of the plug penetrates through the mounting hole and then is connected with the platform ridge beam.
As shown in fig. 4, the width of the rear edge portion 112 of the platform top plate 110 is greater than that of the corner piece 400 to be connected, and the tail portion of the rear edge portion 112 also protrudes out of the tail end of the corner piece 400 to be connected, so that the rear portion of the platform top plate 110 can completely wrap the bottom end of the corner piece 400 to be connected. The platform board is all enveloped the bottom end face of the corner fitting, the outline of the bottom hole of the corner fitting is positioned on the inner side of the platform board, and sharp stress is not easily caused by bending of the rear edge of the platform board during collision.
The energy storage of the base metal is used for replacing the energy storage of the welding line, so that the impact shear wave is absorbed by the base metal of the platform top plate instead of the welding line at the joint of the plug and the platform top plate; the impact bending moment is stored in a segmented manner, so that the energy formed by the impact bending moment is prevented from being absorbed by the joint of the platform top plate and the plug in a concentrated manner.
As shown in fig. 2, the connection ends of the platform ridge beam 130 and the plug 120 are respectively located at two side surfaces of the platform top plate 110, the platform ridge beam 130 is arranged at the lower side surface, and the plug 120 is arranged at the upper side surface.
As shown in fig. 3, the leg assembly 200 includes at least two cylinder-type legs, which are respectively located at both sides of the platform ridge beam 130,
the cylindrical leg comprises a U-shaped corner piece 210, and a leg enveloping plate 220 is connected between two leg supporting arms 211 of the U-shaped corner piece 210. Thereby, the support strength between the leg support arms can be enhanced.
The supporting legs, the supporting leg enveloping plates and the platform top plate form a closed structure, and the closed space envelops the platform skirt plate in the height direction.
As shown in fig. 4, a front end of the platform top plate 110 is provided with a platform front bumper 320, and two sides of a front portion of a lower side surface of the platform top plate 110 are provided with a platform skirt plate 310, and two ends of any one of the platform skirt plates 310 are respectively connected with the platform front bumper 320 and the cylindrical legs.
In some examples, the leg assembly 200 includes two barrel-type legs; two ends of the platform skirt plate 310 are respectively connected with a platform front bumper 320 and one cylindrical leg, the two platform skirt plates 310 are respectively connected with the two cylindrical legs, and the two platform skirt plates 310 are respectively connected with the platform front bumper 320. Thus, when platform front rail 320 impacts, the impact can be mitigated by platform skirt panel 310 and leg assembly 200.
The platform forward stop 320 envelopes the forward end of the platform top panel 110 such that the impact process platform forward stop 320 receives the impact first.
The platform front stop 320 is U-shaped, and three sides of the platform front stop 320 are respectively connected to three edges of the front end of the platform top plate 110. In some cases, the upper end surface of platform front rail 320 is flush with the upper surface of platform top plate 110.
The inner sides of the two bending arms of the platform front baffle 320 are respectively connected with one ends of the two platform skirt boards 310; one end of the platform skirt 310 is attached to the forward side end of the leg assembly 200.
One end of the platform skirt 310 may also abut an end flap portion of the platform front rail 320.
Another aspect of the present invention relates to a container caster main body structure, as shown in fig. 2, comprising a platform top plate 110, and a structure disposed on the platform top plate 110
A land ridge beam 130 disposed along a length of the table top plate 110,
a plug 120 having one end connected to the platform ridge beam 130; wherein, the first and the second end of the pipe are connected with each other,
the rear portion of platform roof plate 110 is equipped with the plug mounting hole, platform spine 130 one end extends to plug mounting hole middle part, plug 120 one end pass behind the plug mounting hole with platform spine 130 is connected.
As shown in fig. 1, the caster structure includes a protruding plug (the plug is located above the platform and used for inserting into a bottom hole of a container corner fitting), a platform (used for supporting the bottom surface of the container corner fitting), a roller assembly (including a roller, a pin shaft and a bearing), and a pair of supporting legs (connecting the platform and the pin shaft). In the utility model, the improvement is mainly made that the plug is designed to penetrate through the platform from top to bottom and is connected with the spine structure below the platform; the rear end of the platform top plate is designed to form complete envelope for the corner fittings of the container; the supporting legs and the top plate of the platform are connected to form a closed structure, and the apron plate is completely enveloped by the closed structure in the height direction.
The structure of the present invention will be further explained by combining with the specific experiment:
and the impact bending moment is adopted for storing energy in a segmented manner, so that the energy formed by the impact bending moment is prevented from being absorbed by the joint of the platform top plate and the plug in a concentrated manner. Through numerical experiments, plastic strain concentration areas to be improved are determined, and the plastic strain concentration areas are all potential failure positions. After impact, plastic strain is mainly concentrated in the front and rear ends of the annular joint area of the spigot and platform plate, and the joint area of the platform skirt plate and leg, of the platform assembly on the caster of the box to be improved.
First, set up platform spine 130 through the increase, will wear to establish plug 120 one end after with the downside of platform roof 110 and link, both solved the problem of plug department broken end, solve the problem that the platform board buckled again.
For the improved box caster, the plug 120 is directly welded on one side of the platform top plate 110, and the circular weld seam at the connecting part of the two is welded. In the event of a crash, the plastic strain in the plug region is mainly concentrated on the weld, with a plug weld maximum plastic strain of 0.063. And the utility model discloses a plug region, welding seam department plastic strain becomes 0, is the black entirely, represents welding seam department and does not take place plastic deformation, and plastic strain all takes place on plug own parent metal, replaces the welding seam energy storage with the parent metal energy storage. The plug 120 is fixed to the platform top plate 110 by welding, and the shear mode is changed by connecting the lower end of the plug 120 to the platform ridge beam 130. The shearing resistance of the welding seam is changed into the shearing resistance of the base material of the platform plate in the shearing direction, the shearing resistance is double shearing, the length of a shearing surface is 250mm, the height of the shearing surface is 16mm, the shearing resistance area of the base material is 250 x 16 x 2=8000mm, the shearing resistance area is 6 times of that of the welding seam shearing resistance mode, and the shearing resistance capacity is 6 times of that of the original welding seam. The energy storage of the base metal replaces the energy storage of the welding line, so that the impact shear wave is absorbed by the base metal of the top plate of the platform, and the problem of head breakage at the plug is well avoided. Numerical experiments show the maximum plastic strain of the plug area, and the plastic strain represents the concentration degree of plastic deformation and is a direct index of the high-speed collision resistance effect.
Second, set up platform ridge beam 130 through the increase, will wear to establish plug 120 one end and the downside of platform roof 110 after and link, still solved the landing slab and bent and secondary landing leg fracture problem.
Numerical experiments on the product to be improved have identified areas of plastic strain concentration, which are all potential failure sites. Treat the platform subassembly on the improvement case truckle after the collision, plastic strain mainly concentrates on the front and back end in plug and platform board annular joint area to and platform skirtboard and landing leg joint area, and the cause mainly lies in: firstly, the block-shaped structure of the plug and the plane-shaped structure of the platform plate have great rigidity difference, when collision bending moment is generated, the plug is twisted, the platform plate stores energy through the twisting deformation of materials in the joint area of the plug and the platform plate, and the plastic strain of the platform plate at the front end of the joint area of the plug and the platform plate is 0.071; secondly, the platform plate is arranged at the rear end of the plug connector area, the platform plate does not completely envelop the bottom end face of the corner fitting, and the outline of the bottom hole of the corner fitting exceeds the outside of the platform plate (as shown in fig. 5), so that the platform plate is embedded into the bottom hole of the corner fitting at the rear end of the plug connector area during collision, great plastic strain of 0.1 is generated at the outer edge, and the head breaking effect is further aggravated; thirdly, during impact, the skirt plate of the platform assembly violently compresses the legs, causing a sharp plastic strain of 0.164 at the skirt plate to leg joint. In order to solve the problems, an impact bending moment segmented energy storage structure is adopted, so that the energy formed by the impact bending moment is prevented from being absorbed by the joint of the platform top plate and the plug in a concentrated manner.
As shown in fig. 2, at the bending line of the front end of the platform plate and the plug connector, a ridge beam structure is added to realize smooth transition of rigidity of the plug connector and the platform plate connector; and meanwhile, due to the ridge beam, when the plug is twisted, the torsion arm of the platform plate is increased, so that the twisting force can be dispersed and acted on the overlapping area of the platform and the ridge beam, and when the platform is twisted and deformed, large-area elastic deformation energy storage can be used for replacing small-range plastic deformation energy storage to form a main energy storage area. As in fig. 4, extend the landing slab rear end, make the landing slab envelop the corner fitting bottom face completely, the landing slab is in the rear end with plug connector district to the embedded problem in the corner fitting bottom hole when having avoided the collision on the one hand, and the landing slab rear end area of on the other hand expansion also makes the plug also can participate in the elasticity energy storage when twisting, forms vice energy storage district.
Meanwhile, the connecting part of the supporting legs and the top plate of the platform, the apron plate of the platform and the like form a closed structure (figure 4), and the apron plate is completely enveloped by the closed structure in the height direction so as to eliminate sharp plastic strain at the joint of the apron plate of the platform and the supporting legs and realize elastic energy storage to the maximum extent. Adopt the utility model discloses a department at the landing slab bend line behind the structure, the plasticity is met an emergency and has been reduced to 0, and main energy storage district is elastic deformation. The plug connects the rear end with the landing slab, and vice energy storage district most plastic strain is 0, has a plurality of points to have plastic strain, and maximum plastic strain 0.015 falls to original 15%, and main energy storage district and vice energy storage district have realized the target that becomes plastic energy storage for elastic energy storage, and the landing slab bending resistance ability that shocks resistance obtains essential the promotion. The sharp plastic strain at the joint of the apron board and the supporting leg of the platform is 0.02 and is reduced to 12 percent of the original strain, so that elastic energy storage is realized, and the impact resistance of the supporting leg is improved.
It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. Which all fall within the protection scope of the utility model. The protection scheme of the utility model takes the attached claims of the utility model as the standard.

Claims (7)

1. The caster main body structure of the container is characterized by comprising
A platform top plate (110) provided with a plug mounting hole and a platform ridge beam (130) arranged on the platform top plate (110) along the length direction of the platform top plate (110),
and one end of the plug (120) passes through the plug mounting hole and then is connected with the platform ridge beam (130).
2. The container caster body structure as claimed in claim 1, wherein said platform ridge beam (130) is provided along a length direction of said platform top plate (110), and one end of said platform ridge beam (130) is extended to a middle of said plug mounting hole.
3. The container caster body structure as claimed in claim 2, wherein the corner fitting connection ends of said platform ridge beam (130) and plug (120) are respectively located on both sides of said platform top plate (110); the outer edge of the rear edge part (112) of the platform top plate (110) protrudes out of the outer edge of the bottom end of the corner piece (400) to be connected.
4. The container caster body structure as claimed in claim 1, wherein a platform front block (320) is provided at the front end of the platform top plate (110), a platform skirt plate (310) is provided at both sides of the front portion of the lower side of the platform top plate (110), and both ends of any platform skirt plate (310) are respectively connected to the platform front block (320).
5. The container caster body structure of claim 4, wherein said platform front rail (320) envelopes a front end of said platform top panel (110).
6. The container caster body structure of claim 5, wherein said platform front stop (320) is U-shaped, and three sides of said platform front stop (320) are connected to three edges of the front end of the platform top plate (110), respectively.
7. The container caster body structure as claimed in claim 4, wherein the inner sides of the two bending arms of the platform front bumper (320) are respectively connected with one ends of two platform skirts (310); one end of the platform skirt (310) is adapted to be connected to a front side end of the leg assembly (200).
CN202221929022.2U 2022-07-25 2022-07-25 Container caster main body structure Active CN218318653U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221929022.2U CN218318653U (en) 2022-07-25 2022-07-25 Container caster main body structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221929022.2U CN218318653U (en) 2022-07-25 2022-07-25 Container caster main body structure

Publications (1)

Publication Number Publication Date
CN218318653U true CN218318653U (en) 2023-01-17

Family

ID=84871950

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221929022.2U Active CN218318653U (en) 2022-07-25 2022-07-25 Container caster main body structure

Country Status (1)

Country Link
CN (1) CN218318653U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115196210A (en) * 2022-07-25 2022-10-18 上海寰宇物流科技有限公司 High-speed collision-resistant container caster and main body structure thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115196210A (en) * 2022-07-25 2022-10-18 上海寰宇物流科技有限公司 High-speed collision-resistant container caster and main body structure thereof
CN115196210B (en) * 2022-07-25 2024-05-10 上海寰宇物流科技有限公司 Container castor capable of resisting high-speed collision and main body structure thereof

Similar Documents

Publication Publication Date Title
CN218318653U (en) Container caster main body structure
CN101786469B (en) Dump truck auxiliary frame and connecting structure thereof
CN105774915A (en) Rear floor beam assembly and connecting structure thereof with rear floor and rear wheel bulge
CN106004910A (en) U-shaped structure underframe
CN205632506U (en) Concave structures chassis
CN201626480U (en) Self-detaching type automobile auxiliary frame and connecting structure thereof
CN115196210A (en) High-speed collision-resistant container caster and main body structure thereof
CN204137005U (en) A kind of vehicle body of railway vehicle edge beam of underframe and end pieces connection structure
CN107651018A (en) A kind of Truck Frame Structure
AU736155B2 (en) Front section of a railway car
CN212149010U (en) Mining dump truck and chassis frame thereof
CN216232601U (en) Middle supporting structure of conveyor belt type self-discharging semitrailer
CN201833928U (en) Self-unloading automobile and compartment bottom plate structure thereof
CN206813719U (en) Bottom bracket structure of container
CN206813718U (en) Novel container Undercarriage structure
CN217348015U (en) Semi-trailer
CN216805598U (en) Automobile front longitudinal beam and automobile
CN213831470U (en) Bottom plate structure of dumper
CN210260111U (en) Anti-collision guide plate
CN216512688U (en) Smoke box anti-collision device for forklift
CN220721196U (en) Rear longitudinal beam sealing plate structure
CN215944396U (en) Lightweight U type tipper carriage
CN215208297U (en) Special bumper for loading and unloading forklift round steel
CN215752647U (en) Frame structure for improving bearing capacity of middle-large digging anti-rolling cab
CN217100163U (en) U-shaped dump truck and carriage chassis thereof

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant