CN113682383A - A high-strength and energy-saving carriage flower rail frame for a warehouse-gate truck or a semi-trailer - Google Patents
A high-strength and energy-saving carriage flower rail frame for a warehouse-gate truck or a semi-trailer Download PDFInfo
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- CN113682383A CN113682383A CN202111017631.0A CN202111017631A CN113682383A CN 113682383 A CN113682383 A CN 113682383A CN 202111017631 A CN202111017631 A CN 202111017631A CN 113682383 A CN113682383 A CN 113682383A
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 95
- 238000003466 welding Methods 0.000 claims abstract description 81
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- 235000007637 Poinciana pulcherrima Nutrition 0.000 claims abstract description 29
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- 238000009434 installation Methods 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 5
- 239000012943 hotmelt Substances 0.000 claims description 5
- 238000003698 laser cutting Methods 0.000 claims description 5
- 238000004080 punching Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 21
- 238000000034 method Methods 0.000 abstract description 8
- 229910000831 Steel Inorganic materials 0.000 abstract description 7
- 230000007797 corrosion Effects 0.000 abstract description 7
- 238000005260 corrosion Methods 0.000 abstract description 7
- 239000010959 steel Substances 0.000 abstract description 7
- 230000004927 fusion Effects 0.000 abstract description 2
- 241001465382 Physalis alkekengi Species 0.000 abstract 1
- 238000005520 cutting process Methods 0.000 description 21
- 238000002844 melting Methods 0.000 description 21
- 238000007599 discharging Methods 0.000 description 20
- 230000008018 melting Effects 0.000 description 14
- 230000002787 reinforcement Effects 0.000 description 9
- 238000003780 insertion Methods 0.000 description 7
- 230000037431 insertion Effects 0.000 description 7
- 238000005553 drilling Methods 0.000 description 6
- 230000002035 prolonged effect Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000005336 cracking Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 240000004282 Grewia occidentalis Species 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
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- 238000005728 strengthening Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/02—Platforms; Open load compartments
- B62D33/023—Sideboard or tailgate structures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D27/00—Connections between superstructure or understructure sub-units
- B62D27/02—Connections between superstructure or understructure sub-units rigid
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Abstract
一种仓栅式货车或半挂车的高强节能车厢花栏架，所属专用车技术领域，花栏架包括上框、下框、竖框、加强角件和竖称，加强角件上焊接有合页和门刀，花栏架还包括横称。本发明花栏架改变了传统斜角连接方式，采用直角连接结构，并设计包围式加强角件对连接处进行加强，另外，一体摩擦热熔焊开孔形成补强管结构，不需要内部额外焊接钢管，可大幅提高加工效率、强度和质量，并降低生产成本；在竖框、加强角件和竖称均开设有排液孔，能够完全有效的排出内部液体，防止内部腐蚀。本发明花栏架适用各种规格要求的车厢，整体加工效率可提高三倍以上，成品率提高70％以上，花栏架强度更强，反复适用不易变形，适用寿命至少延长3年。
The utility model relates to a high-strength and energy-saving flower rail frame for a warehouse-gate truck or semi-trailer, belonging to the technical field of special vehicles. The flower rail frame includes an upper frame, a lower frame, a vertical frame, a reinforced corner piece and a vertical scale. Pages and door knives, flower lanterns also include horizontal scales. The flower rail frame of the invention changes the traditional oblique connection method, adopts a right-angle connection structure, and designs an enclosing reinforcing angle piece to strengthen the connection. In addition, the integral friction heat fusion welding is opened to form a reinforcing pipe structure, and no additional internal extra is required. Welded steel pipes can greatly improve processing efficiency, strength and quality, and reduce production costs; there are drainage holes in the mullion, reinforced corner pieces and vertical scales, which can completely and effectively drain the internal liquid and prevent internal corrosion. The flower fence of the invention is suitable for carriages of various specifications, the overall processing efficiency can be increased by more than three times, the yield of finished products can be increased by more than 70%, the flower fence has stronger strength, is not easily deformed after repeated use, and has an extended service life of at least 3 years.
Description
Technical Field
The invention belongs to the technical field of special vehicles, and particularly relates to a carriage flower bed frame.
Background
The flower fence frame is an important component of a compartment fence type truck or a semitrailer carriage, plays roles in connection and fixation, and ensures that each upright post is not distorted and deformed, thereby preventing the articles in the vehicle from leaking.
The flower fence frame is of a frame structure formed by assembling and welding square pipes or rectangular pipes, and vertical scales and transverse scales with different quantities are arranged in the middle of the flower fence frame according to different overall dimensions of the carriage. Wherein, the top horizontal frame (upper frame) is provided with a tarpaulin rod mounting hole for mounting and supporting tarpaulin, thereby facilitating the insertion and fixation of the tarpaulin rod.
At present, the flower bed frame in the prior art is formed by beveling two ends of a square pipe or a rectangular pipe by 45 degrees and then welding the two ends of the square pipe or the rectangular pipe end to end, as shown in fig. 15. The square tube or rectangular tube has low machining efficiency of 45-degree oblique angles, high rejection rate and high cost, and is not suitable for simultaneous cutting machining in large batch; moreover, after the tarpaulin rod holes are formed in the top horizontal frame (the upper frame), the strength of the tarpaulin rod holes can be greatly reduced, steel pipe reinforcement is required to be welded inside the frame, the process is complex, the production efficiency can be greatly reduced due to the extra welded reinforcement steel pipes, the production cost is improved, in addition, the welding quality cannot be guaranteed, the smoothness of insertion of the tarpaulin rods is influenced, and the service life of the tarpaulin rods and the flower fence frame is also influenced.
Disclosure of Invention
Aiming at the problems of low oblique angle welding processing efficiency, high rejection rate, high cost, low strength, complex process, poor quality guarantee and the like of the flower hurdle in the prior art, the invention provides the high-strength energy-saving carriage flower hurdle of the warehouse type truck or the semitrailer, which changes the traditional oblique angle connection mode, adopts a right-angle connection structure, designs an enclosed type reinforcing corner piece to reinforce the joint, and in addition, the integral friction heat fusion welding hole forms a reinforcing pipe structure without additionally welding a steel pipe inside, thereby greatly improving the processing efficiency, the strength and the quality and reducing the production cost. The specific technical scheme is as follows:
a high-strength energy-saving carriage flower hurdle frame of a bin gate type truck or semitrailer comprises an upper frame 1, a lower frame 2, a vertical frame 3, a reinforcing corner piece 4 and a vertical scale 5;
two ends of the upper frame 1 are respectively fixedly welded on the side surfaces of the upper ends of the two vertical frames 3, and the welding surfaces are right-angle surfaces; two ends of the lower frame 2 are respectively fixedly welded on the side surfaces of the lower ends of the two vertical frames 3, the welding surfaces are right-angle surfaces, a square frame body is formed, and four right-angle welding angles are formed; the four reinforcing corner pieces 4 are externally welded at the four right-angle welding corners and are used for reinforcing the fixed connection of the right-angle welding corners; the N vertical scales 5 are uniformly distributed and fixed in the square frame body, N is more than or equal to 2, a grid structure is formed, and two ends of each vertical scale 5 are respectively welded to the upper frame 1 and the lower frame 2;
in the technical scheme, the flower hurdle frame further comprises hinges 6, and the hinges 6 are welded on the reinforcing corner pieces 4;
in the technical scheme, the flower fence frame is further wrapped with the door knife 7, and the door knife 7 is welded on the reinforcing corner piece 4;
in the technical scheme, the upper frame 1, the lower frame 2, the vertical frame 3 and the vertical scale 5 are all hollow square tubes or rectangular tubes, and the two ends of each hollow square tube or rectangular tube are cut into right-angle notches, namely right-angle blanking;
in the technical scheme, the welding surfaces of the two ends of the vertical frame 3 and the upper frame 1 and the lower frame 2 are respectively provided with a liquid discharge hole I3.1 and a liquid discharge hole II 3.2, and the positions of the holes of the liquid discharge hole I3.1 and the liquid discharge hole II 3.2 are in the middle positions corresponding to the inner edges of the pipe orifices of the upper frame 1 or the lower frame 2; the liquid discharge holes I3.1 and II 3.2 are semi-circular holes or arched holes, and the straight edges of the semi-circular holes are attached to the inner edges of the pipe orifices of the upper frame 1 or the lower frame 2; the liquid discharge holes I3.1 and II 3.2 are used for discharging liquid in the upper frame 1 or the lower frame 2;
the opening sizes of the liquid discharge holes I3.1 and the liquid discharge holes II 3.2 are as follows: the diameter of the hole is (1-2)/5 of the diameter of the pipe orifice of the upper frame 1 or the lower frame 2;
in the above technical solution, the reinforcing corner fittings 4 are integrally and fully surrounding type reinforcing corner fittings; a reinforcing corner piece liquid discharge hole 4.1 is formed in the right-angle edge of the top surface of the reinforcing corner piece 4, the reinforcing corner piece liquid discharge hole 4.1 is a circular hole, and the opening position of the reinforcing corner piece liquid discharge hole 4.1 is located at the right-angle edge corresponding to the pipe orifice of the vertical frame 3; the strong angle piece liquid discharge hole 4.1 is provided with a notch corresponding to the right-angle edge of the pipe orifice of the vertical frame 3; the reinforcing corner piece liquid discharging holes 4.1 are used for discharging liquid in the upper frame 1, the lower frame 2 and the vertical frame 3;
a V-shaped opening is formed in the oblique corner edge of the top surface of the reinforcing corner piece 4;
in the technical scheme, the reinforcing corner fittings 4 are integrally formed, are blanked in a die blanking or laser cutting mode, and are formed by a punch press or a bending machine; or directly processing by adopting a progressive die;
in the technical scheme, two ends of the vertical scale 5 are provided with vertical scale liquid discharge holes 5.1, the opening position of each vertical scale liquid discharge hole 5.1 is arranged at the port of the pipe orifice of the vertical scale 5, each vertical scale liquid discharge hole 5.1 is a V-shaped hole, and each vertical scale liquid discharge hole 5.1 is used for discharging liquid in the vertical scale 5;
in the technical scheme, the upper frame 1 is provided with an upper frame mounting hole 1.1, the upper frame mounting hole 1.1 is a circular hole, the upper frame mounting hole 1.1 integrally penetrates through a hot-melting drilling hole, the upper surface hot-melting part of the upper frame 1 is bent towards the inside of the upper frame 1, and the lower surface hot-melting part of the upper frame 1 is bent towards the orifice of the vertical scale 5 to form an integrally formed upper and lower surface forward reinforcing pipe structure 1.2 of the upper frame 1; the upper frame mounting hole 1.1 is used for inserting a tarpaulin rod; the reinforcing pipe structure 1.2 is used for reinforcing the bearing capacity of the upper frame mounting hole 1.1 after being inserted into the tarpaulin rod;
the aperture of the upper frame mounting hole 1.1 is (3-4)/5 of the pipe diameter width of the upper frame 1; the length of the reinforcing pipe structure 1.2 is (1-3)/6 of the pipe diameter height of the upper frame 1;
the upper frame mounting hole 1.1 is arranged corresponding to the pipe orifice of the vertical scale 5; the number of the upper frame mounting holes 1.1 is less than or equal to that of the vertical scales 5;
in the technical scheme, the flower fence frame is of an M-section structure, and M is more than or equal to 1; when M is larger than 1, the flower column frame further comprises a horizontal scale 8, the horizontal scale 8 is transversely arranged at the butt welding port of the upper vertical scale 5 and the lower vertical scale 5 in a penetrating mode, namely, each section of vertical scale 5 is butt-welded on the horizontal scale 8, two ends of the horizontal scale 8 are respectively welded on the two vertical frames 3, and the number of the horizontal scales 8 is larger than or equal to 1; forming an M-section grid structure.
Compared with the existing 45-degree oblique angle welding, the tensile strength of the welding line is improved by more than 120MPa under the same condition, and the service life of the flower fence frame is prolonged by more than 3 years.
Compared with the prior art, the high-strength energy-saving carriage flower fence frame of the bin fence type truck or semitrailer has the beneficial effects that:
the welding mode in the prior art is that two ends of an upper frame, a lower frame and a vertical frame are respectively subjected to 45-degree oblique angle cutting, and then butt welding is carried out, wherein the upper frame, the lower frame and the vertical frame are hollow square tubes or rectangular tubes, so that the two 45-degree angle notches are welded in a butt welding mode to cause low welding strength, poor quality, deformation or cracking and low service life of a joint; in addition, 8 square pipes are placed at most simultaneously in the 45-degree oblique angle cutting processing of the square pipes in each cutting process, the cutting difficulty is high, the cutting efficiency is low, the cutting consistency can be reduced if the square pipes are placed for simultaneous cutting of more than 10 pipes, the cutting precision is poor, and the rejection rate is increased.
The invention directly adopts right-angle welding, and the right-angle welding does not need precise 45-degree opposite welding, so that the welding is more convenient; the welding surface is formed by welding the notch on the surface, one side is the notch, the other side is the surface, the welding seam is firmer, the strength of the welding seam is improved, the strength of the flower fence frame is further improved, and the service life is prolonged; in addition, during the processing of the square pipe, straight-end blanking is directly carried out at two ends by using a sawing machine, more than 30 square pipes can be cut at the same time, the cutting precision can be ensured, waste products are not generated, the bundling cutting difficulty is low, the cutting efficiency is greatly improved, the production cost is saved, the efficiency is improved, and the rejection rate is greatly reduced. Even if the right-angle cutting and the 45-degree oblique-angle cutting are compared under the same pure condition, the rejection rate of the 45-degree oblique-angle cutting is higher.
Secondly, 45-degree oblique angle butt welding in the prior art, the sizes of tubular sections of an upper frame, a lower frame and a vertical frame are required to be consistent, otherwise, the welding surfaces cannot be symmetrical, the welding processing difficulty is high, and the adaptability is poor. The invention adopts the right-angle welding, can randomly combine hollow square tubes or rectangular tubes with different section sizes, has more flexible processing and wide application, and is suitable for carriages with various strength requirements.
The fully-wrapped reinforcement corner fitting is designed, wraps four corners of the flower fence frame, can better protect four-corner welding seams of the flower fence frame, increases strength, and effectively prevents cracking or corrosion; meanwhile, the fully-wrapped reinforcing corner piece can completely wrap the port of the vertical frame, protect the vertical frame and prevent the port of the vertical frame from being stressed and deformed or scratching personnel in the use process; and the reinforcing angle piece of full package structure is difficult to drop and damages, when using, the external force of door sword and hinge that can bear better improves the durability, increase of service life. In addition, in terms of the integral processing technology, the production cost of the pipe right-angle cutting and welding combined processing of the reinforcing angle piece is lower than the cost of the 45-degree angle cutting and welding technology, and the production efficiency is higher than the 45-degree angle cutting and welding technology.
And fourthly, the corner reinforcing piece can be blanked by adopting a die blanking or laser cutting mode, then is formed by a punch press or a bending machine, and can also be directly processed by adopting a progressive die, the production mode is various and simple, the production efficiency is high, and the overall processing cost and efficiency are not influenced.
According to the invention, the liquid drainage holes are formed in the welding surfaces of the side surfaces of the two ends of the vertical frame, the liquid drainage holes are semicircular or arched, the right-angle edges of the liquid drainage holes are attached to the middle positions of the notch welding lines of the upper frame or the lower frame, liquid can be smoothly discharged from the upper frame or the lower frame into the vertical frame without residue due to the design, the size of the liquid drainage holes is limited, and the size is designed according to welding strength, so that complete liquid drainage can be ensured and internal corrosion can be prevented under the condition that the welding strength is not influenced.
Sixthly, because the reinforcing corner piece wraps the end opening of the vertical frame, a circular liquid discharge hole is formed in one side of the right-angle edge of the end face of the reinforcing corner piece, and an edge notch is formed in the reinforcing corner piece, so that liquid can be completely discharged from the vertical frame through the design, and no residual liquid or backflow is generated; the sealing defect of the right-angle welding design is overcome, and internal corrosion, especially corrosion to welding seams at four corners, is prevented. Because inside rainwater or other liquid can flow into flower hurdle tubular product through the upper ledge mounting hole, produce inside erosion, and prior art flower hurdle four corners welding department does not have the flowing back function, and its four corners welding department is inside to corrode very easily, reduces the life-span.
Seventh, the invention has vertical scale liquid drainage hole on both ends of vertical scale, can discharge the liquid in the vertical scale smoothly; in addition, the horizontal welding is totally-enclosed welding, and no internal corrosion risk exists, so that the liquid discharge hole is not formed in the horizontal welding.
Eighth, according to the upper frame mounting hole, a hot melting drilling process is adopted, and when the hole is drilled, the material of the base material is remolded and extended to the periphery of the hole to form an integrated reinforcing structure (a reinforcing pipe structure) in the drilling process, so that an additional steel pipe does not need to be welded for reinforcement, the production efficiency is improved compared with the prior art, the production material and the production process are saved, the production cost is greatly reduced, and the strength of the hot melting integrated mounting hole is higher than that of the welded steel pipe. The reinforcement tube structure is used for strengthening the bearing capacity of the upper frame mounting hole after the tarpaulin cloth rod is inserted, the size of the upper frame mounting hole and the size of the reinforcement tube structure are designed, the design can achieve the reinforcement effect with the highest performance, and the service life is greatly prolonged.
Ninthly, the reinforcing pipes in the prior art are designed in a reverse way on the upper surface and the lower surface of the upper frame pipe (the upper reinforcing pipe and the lower reinforcing pipe are welded inside the upper frame pipe), so that the smooth insertion of the awning cloth rod is not facilitated; the drilling directions of the hot-melting drill of the mounting hole are consistent, namely the upper surface and the lower surface of the upper frame pipe of the reinforcing pipe structure are consistent in the same direction, namely the insertion direction of the reinforcing pipe structure is consistent with the insertion direction of the tarpaulin rod, so that the insertion of the tarpaulin rod cannot be blocked due to the barb formed at the port of the hot-melting reinforcing structure during hot-melting drilling, and the smooth insertion effect is better.
The hot-melting drilling processing of the invention can be processed by a special porous machine, all holes on the symmetrical surface of one pipe can be processed at one time, and the full-automatic processing of feeding and discharging can be realized by matching with an automatic feeding and discharging device. The production efficiency is high, and the production cost is greatly reduced.
Eleven, the vertical frame liquid drainage holes and the reinforcing corner piece liquid drainage holes are formed in the edges of the corresponding pipe orifices, liquid can be discharged smoothly when the edges are formed, if small liquid drainage holes are formed in the middle of the vertical frame liquid drainage holes, liquid can be prevented from flowing at the edges or backflow phenomenon can occur, and complete liquid discharge can not be achieved.
In conclusion, the high-strength energy-saving carriage flower column frame is good in applicability, suitable for carriages with various specifications, capable of improving the overall machining efficiency by more than three times, improving the yield by more than 70%, and stronger in flower column frame strength, and compared with the existing 45-degree oblique angle welding, the high-strength energy-saving carriage flower column frame is improved in tensile strength of a welding seam by more than 120MPa under the same condition, is repeatedly applicable and not prone to deformation, and is at least 3 years longer in service life.
Drawings
Fig. 1 is a schematic front perspective view of a high-strength energy-saving carriage flower bed frame of a storage-fence type truck or semitrailer in embodiment 1 of the present invention;
FIG. 2 is an enlarged view of the weld corner of FIG. 1;
fig. 3 is a schematic rear perspective view of a high-strength energy-saving carriage flower rack of a storage-fence type truck or semitrailer in embodiment 1 of the present invention;
FIG. 4 is an enlarged view of the vertical drainage hole of FIG. 3;
fig. 5 is a front view of a high-strength energy-saving carriage flower rack of a storage-fence type truck or semitrailer in embodiment 1 of the present invention;
fig. 6 is a top view of a high-strength energy-saving carriage flower rack of a storage-fence type truck or semi-trailer according to embodiment 1 of the present invention;
FIG. 7 is a cross-sectional view of the mounting hole and reinforcing tube structure of the plane A-A of FIG. 5;
FIG. 8 is an enlarged view of the mounting hole and reinforcement tube structure of FIG. 7;
fig. 9 is a schematic welding view of a square frame of a high-strength energy-saving carriage flower rack of a bin gate type truck or semitrailer in embodiment 1 of the invention;
FIG. 10 is an enlarged view of the right angle weld of the square frame of FIG. 9;
fig. 11 is a schematic view of a mullion of a high-strength energy-saving carriage flower rack of a storage-fence type truck or semitrailer in embodiment 1 of the present invention;
fig. 12 is a schematic vertical scale view of a high-strength energy-saving carriage flower rack of a storage-fence type truck or semitrailer in embodiment 1 of the present invention;
fig. 13 is a schematic view of a reinforcing corner fitting of a high-strength energy-saving carriage flower rack of a storage-fence type truck or semitrailer in embodiment 1 of the invention;
fig. 14 is a front view of a high-strength energy-saving carriage flower rack of a storage-fence type truck or semitrailer in embodiment 2 of the present invention;
in fig. 1-14, wherein: 1-upper frame, 1.1-upper frame mounting hole, 1.2-reinforcing tube structure, 2-lower frame, 2.1-lower frame mounting hole, 3-vertical frame, 3.1-liquid discharge hole I, 3.2-liquid discharge hole II, 4-reinforcing corner piece, 4.1-reinforcing corner piece liquid discharge hole, 5-vertical scale, 5.1-vertical scale liquid discharge hole, 6-hinge, 7-door knife and 8-horizontal scale.
FIG. 15 is an elevation view of a prior art welded seam for a 45 bevel cut square tube, wherein 1-top box, 3-mullion.
Detailed Description
The invention will be further described with reference to specific embodiments and figures 1 to 15, but the invention is not limited to these embodiments.
Example 1
According to the size of the top of a carriage of a semitrailer, a hollow square tube made of stainless steel is used as a base material to cut and manufacture an upper frame, a lower frame and a vertical frame of a flower hurdle frame, both ends of the hollow square tube are cut into straight-opening blanking, and 30 tubes are cut at the same time each time; the length of the upper frame and the lower frame is 4 meters, and the length of the vertical frame is 1.8 meters. The steel sheet substrate made of stainless steel is directly processed and manufactured into an integrated fully-enclosed reinforcing corner piece by using a progressive die.
A high-strength energy-saving carriage flower hurdle for a bin gate type truck or semi-trailer is shown in figures 1-13 and comprises an upper frame 1, a lower frame 2, a vertical frame 3, a reinforcing corner piece 4, a vertical scale 5, a hinge 6 and a door knife 7;
two ends of the upper frame 1 are respectively fixedly welded on the side surfaces of the upper ends of the two vertical frames 3, and the welding surfaces are right-angle surfaces; two ends of the lower frame 2 are respectively fixedly welded on the side surfaces of the lower ends of the two vertical frames 3, the welding surfaces are right-angle surfaces, a square frame body is formed, and four right-angle welding angles are formed; the four reinforcing corner pieces 4 are externally welded at the four right-angle welding corners and are used for reinforcing the fixed connection of the right-angle welding corners; the 7 vertical scales 5 are uniformly distributed and fixed in the square frame body to form a grid structure, and two ends of each vertical scale 5 are respectively welded to the upper frame 1 and the lower frame 2; the hinge 6 is welded on the reinforcing corner piece 4; the door knife 7 is welded on the reinforcing corner piece 4;
in the embodiment, the upper frame 1, the lower frame 2, the vertical frame 3 and the vertical scale 5 are all hollow square tubes, and the cutting at the two ends of each hollow square tube is a right-angle notch, namely right-angle blanking;
the positions of the two ends of the vertical frame 3, which are welded with the upper frame 1 and the lower frame 2, are respectively provided with a liquid discharge hole I3.1 and a liquid discharge hole II 3.2, and the positions of the holes of the liquid discharge hole I3.1 and the liquid discharge hole II 3.2 are in the middle positions corresponding to the inner edges of the pipe orifices of the upper frame 1 or the lower frame 2; the liquid discharge holes I3.1 and II 3.2 are both arch-shaped holes, and the straight edges of the semi-circular holes are attached to the inner edges of the pipe orifices of the upper frame 1 or the lower frame 2; the liquid discharge holes I3.1 and II 3.2 are used for discharging liquid in the upper frame 1 or the lower frame 2;
the opening sizes of the liquid discharge holes I3.1 and the liquid discharge holes II 3.2 are as follows: 2/5 the diameter of the hole is equal to the diameter of the pipe orifice of the upper frame 1 or the lower frame 2;
the reinforcing corner fittings 4 are integrated fully-surrounding type reinforcing corner fittings; a reinforcing corner piece liquid discharge hole 4.1 is formed in the right-angle edge of the top surface of the reinforcing corner piece 4, the reinforcing corner piece liquid discharge hole 4.1 is a circular hole, and the opening position of the reinforcing corner piece liquid discharge hole 4.1 is located at the right-angle edge corresponding to the pipe orifice of the vertical frame 3; the strong angle piece liquid discharge hole 4.1 is provided with a notch corresponding to the right-angle edge of the pipe orifice of the vertical frame 3; the reinforcing corner piece liquid discharging holes 4.1 are used for discharging liquid in the upper frame 1, the lower frame 2 and the vertical frame 3; a V-shaped opening is formed in the oblique corner edge of the top surface of the reinforcing corner piece 4;
the reinforcing corner fittings 4 are integrally formed, are blanked in a die blanking or laser cutting mode, and are formed by a punch press or a bending machine; or directly processing by adopting a progressive die;
two ends of the vertical scale 5 are provided with vertical scale liquid discharge holes 5.1, the opening position of the vertical scale liquid discharge holes 5.1 is arranged at the port of the pipe orifice of the vertical scale 5, the vertical scale liquid discharge holes 5.1 are V-shaped holes, and the vertical scale liquid discharge holes 5.1 are used for discharging liquid in the vertical scale 5;
the upper frame 1 is provided with an upper frame mounting hole 1.1, the upper frame mounting hole 1.1 is a circular hole, the upper frame mounting hole 1.1 integrally penetrates through a hot melting drilled hole, the hot melting part of the upper surface of the upper frame 1 is bent towards the inside of the upper frame 1, and the hot melting part of the lower surface of the upper frame 1 is bent towards the pipe orifice of the vertical scale 5, so that an integrally formed reinforcement pipe structure 1.2 with the upper surface and the lower surface of the upper frame 1 in the forward direction is formed; the upper frame mounting hole 1.1 is used for inserting a tarpaulin rod; the reinforcing pipe structure 1.2 is used for reinforcing the bearing capacity of the upper frame mounting hole 1.1 after being inserted into the tarpaulin rod;
the aperture of the upper frame mounting hole 1.1 is 4/5 of the pipe diameter width of the upper frame 1; the length of the reinforcing pipe structure 1.2 is 1/4 of the pipe diameter height of the upper frame 1;
the upper frame mounting holes 1.1 are arranged corresponding to the pipe orifices of the vertical scales 5, and the number of the upper frame mounting holes 1.1 is 4;
in the embodiment, the joint of the two ends of the vertical frame 3 and the upper frame 1 and the lower frame 2 is provided with a liquid discharge hole I3.1 and a liquid discharge hole II 3.2 for discharging liquid in the upper frame 1 and the lower frame 2; the top surface of the reinforcing corner piece 4 is provided with a reinforcing corner piece liquid discharge hole 4.1 for discharging liquid in the upper frame 1, the lower frame 2 and the vertical frame 3; two ends of the vertical scale 5 are provided with vertical scale liquid discharge holes 5.1 for discharging liquid in the vertical scale 5; and opening all the liquid discharge holes before welding and assembling.
The flower fence frame is used at the top of a semitrailer, so that tarpaulin needs to be installed, tarpaulin rods for supporting the tarpaulin need to be inserted into the flower fence frame for fixing, 4 upper frame installation holes 1.1 are formed in an upper frame 1, the upper frame installation holes 1.1 integrally penetrate through hot melting drilled holes, and hot melting parts are bent towards the inner side of the flower fence frame to form an integrally formed reinforcing pipe structure 1.2; all mounting holes are hot-melt drilled prior to weld assembly.
In the embodiment, a section of flower hurdle frame is welded and assembled, and 7 vertical scales are arranged inside the flower hurdle frame. In the embodiment, when the upper frame, the lower frame and the vertical frame are prepared, 30 pipes are cut at right angles, the production efficiency is improved by 3 times compared with that of a 45-degree corner cut (as shown in figure 15), and the yield is 100%; compared with the existing 45-degree oblique angle welding, the tensile strength of a right-angle welding seam is improved by 125MPa under the same condition; the forward hot melting holes enable the tarpaulin rods to be smoothly inserted into the flower fence frame, the fixing effect is good, and the cost and the manufacturing process are saved compared with the existing welding pipe mode; in the trial process, the bearing capacity of the fully-enclosed reinforced corner fitting is greatly improved, and the service life of the reinforced corner fitting is greatly prolonged; the right-angle welding is combined with the fully-enclosed reinforced corner piece, so that the flower fence frame is not deformed, and the right-angle welding part is well protected from cracking by the enclosed reinforced corner piece; the inside corrosion of the hollow square pipe is well slowed down by the arranged liquid discharge holes, and the service life of the whole flower fence frame is prolonged by more than 3 years.
Example 2
According to the size of the top of a certain semitrailer carriage, a hollow square tube made of stainless steel is used as a base material to cut and manufacture an upper frame, a lower frame and a vertical frame of a flower hurdle frame, both ends of the hollow square tube are cut by straight-opening blanking, and 40 tubes are cut at the same time each time; the length of the upper frame and the lower frame is 4.5 meters, and the length of the vertical frame is 2 meters. The steel sheet substrate made of stainless steel is directly processed and manufactured into an integrated fully-enclosed reinforcing corner piece by using a progressive die.
A high-strength energy-saving carriage flower hurdle frame of a bin gate type truck or semi-trailer comprises an upper frame 1, a lower frame 2, a vertical frame 3, a reinforcing corner piece 4, a vertical scale 5, a hinge 6, a door knife 7 and a transverse scale 8; the structure of the one-section flower fence frame is as shown in the attached drawings of the embodiment, and the structure of the two-section flower fence frame is as shown in fig. 14;
two ends of the upper frame 1 are respectively fixedly welded on the side surfaces of the upper ends of the two vertical frames 3, and the welding surfaces are right-angle surfaces; two ends of the lower frame 2 are respectively fixedly welded on the side surfaces of the lower ends of the two vertical frames 3, the welding surfaces are right-angle surfaces, a square frame body is formed, and four right-angle welding angles are formed; the four reinforcing corner pieces 4 are externally welded at the four right-angle welding corners and are used for reinforcing the fixed connection of the right-angle welding corners; the flower fence frame is of a two-section structure, the transverse scale 8 is transversely arranged at the butt welding port of the upper vertical scale 5 and the lower vertical scale 5 in a penetrating mode, namely, each section of vertical scale 5 is in butt welding with the transverse scale 8, two ends of the transverse scale 8 are respectively welded to the two vertical frames 3, 14 vertical scales 5 are uniformly distributed and fixed in the square frame body, the upper vertical scale 5 and the lower vertical scale 5 are symmetrically arranged on the transverse scale 8 to form two-section grating structures, and two ends of each vertical scale 5 are respectively welded to the upper frame 1 and the lower frame 2; the hinge 6 is welded on the reinforcing corner piece 4; the door knife 7 is welded on the reinforcing corner piece 4;
in the embodiment, the upper frame 1, the lower frame 2, the vertical frame 3 and the vertical scale 5 are all hollow square tubes, and the cutting at the two ends of each hollow square tube is a right-angle notch, namely right-angle blanking;
the positions of the two ends of the vertical frame 3, which are welded with the upper frame 1 and the lower frame 2, are respectively provided with a liquid discharge hole I3.1 and a liquid discharge hole II 3.2, and the positions of the holes of the liquid discharge hole I3.1 and the liquid discharge hole II 3.2 are in the middle positions corresponding to the inner edges of the pipe orifices of the upper frame 1 or the lower frame 2; the liquid discharge holes I3.1 and II 3.2 are both arch-shaped holes, and the straight edges of the semi-circular holes are attached to the inner edges of the pipe orifices of the upper frame 1 or the lower frame 2; the liquid discharge holes I3.1 and II 3.2 are used for discharging liquid in the upper frame 1 or the lower frame 2;
the opening sizes of the liquid discharge holes I3.1 and the liquid discharge holes II 3.2 are as follows: 2/5 the diameter of the hole is equal to the diameter of the pipe orifice of the upper frame 1 or the lower frame 2;
the reinforcing corner fittings 4 are integrated fully-surrounding type reinforcing corner fittings; a reinforcing corner piece liquid discharge hole 4.1 is formed in the right-angle edge of the top surface of the reinforcing corner piece 4, the reinforcing corner piece liquid discharge hole 4.1 is a circular hole, and the opening position of the reinforcing corner piece liquid discharge hole 4.1 is located at the right-angle edge corresponding to the pipe orifice of the vertical frame 3; the strong angle piece liquid discharge hole 4.1 is provided with a notch corresponding to the right-angle edge of the pipe orifice of the vertical frame 3; the reinforcing corner piece liquid discharging holes 4.1 are used for discharging liquid in the upper frame 1, the lower frame 2 and the vertical frame 3; a V-shaped opening is formed in the oblique corner edge of the top surface of the reinforcing corner piece 4;
the reinforcing corner fittings 4 are integrally formed, are blanked in a die blanking or laser cutting mode, and are formed by a punch press or a bending machine; or directly processing by adopting a progressive die;
two ends of the vertical scale 5 are provided with vertical scale liquid discharge holes 5.1, the opening position of the vertical scale liquid discharge holes 5.1 is arranged at the port of the pipe orifice of the vertical scale 5, the vertical scale liquid discharge holes 5.1 are V-shaped holes, and the vertical scale liquid discharge holes 5.1 are used for discharging liquid in the vertical scale 5;
the upper frame 1 is provided with an upper frame mounting hole 1.1, the upper frame mounting hole 1.1 is a circular hole, the upper frame mounting hole 1.1 integrally penetrates through a hot melting drilled hole, the hot melting part of the upper surface of the upper frame 1 is bent towards the inside of the upper frame 1, and the hot melting part of the lower surface of the upper frame 1 is bent towards the pipe orifice of the vertical scale 5, so that an integrally formed reinforcement pipe structure 1.2 with the upper surface and the lower surface of the upper frame 1 in the forward direction is formed; the upper frame mounting hole 1.1 is used for inserting a tarpaulin rod; the reinforcing pipe structure 1.2 is used for reinforcing the bearing capacity of the upper frame mounting hole 1.1 after being inserted into the tarpaulin rod;
the aperture of the upper frame mounting hole 1.1 is 4/5 of the pipe diameter width of the upper frame 1; the length of the reinforcing pipe structure 1.2 is 1/4 of the pipe diameter height of the upper frame 1;
the upper frame mounting holes 1.1 are arranged corresponding to the pipe orifices of the vertical scales 5, and the number of the upper frame mounting holes 1.1 is 4;
in the embodiment, the joint of the two ends of the vertical frame 3 and the upper frame 1 and the lower frame 2 is provided with a liquid discharge hole I3.1 and a liquid discharge hole II 3.2 for discharging liquid in the upper frame 1 and the lower frame 2; the top surface of the reinforcing corner piece 4 is provided with a reinforcing corner piece liquid discharge hole 4.1 for discharging liquid in the upper frame 1, the lower frame 2 and the vertical frame 3; two ends of the vertical scale 5 are provided with vertical scale liquid discharge holes 5.1 for discharging liquid in the vertical scale 5; and opening all the liquid discharge holes before welding and assembling.
The flower fence frame is used at the top of a semitrailer, so that tarpaulin needs to be installed, tarpaulin rods for supporting the tarpaulin need to be inserted into the flower fence frame for fixing, 4 upper frame installation holes 1.1 are formed in an upper frame 1, the upper frame installation holes 1.1 integrally penetrate through hot melting drilled holes, and hot melting parts are bent towards the inner side of the flower fence frame to form an integrally formed reinforcing pipe structure 1.2; all mounting holes are hot-melt drilled prior to weld assembly.
In the embodiment, two sections of flower hurdles are welded and assembled, and 14 vertical scales are arranged inside the flower hurdles. In the embodiment, when the upper frame, the lower frame and the vertical frame are prepared, 40 pipes are cut at a right angle, the production efficiency is improved by 4 times compared with that of a 45-degree cutting angle (shown in figure 15), and the yield is 100%. Compared with the existing 45-degree oblique angle welding, the tensile strength of a right-angle welding seam is improved by 130MPa under the same condition; the forward hot melting holes enable the tarpaulin rods to be smoothly inserted into the flower fence frame, the fixing effect is good, and the cost and the manufacturing process are saved compared with the existing welding pipe mode; in the trial process, the bearing capacity of the fully-enclosed type corner reinforcing piece is greatly improved, a heavier two-section type flower column frame body can be borne, and the service life of the corner reinforcing piece is greatly prolonged; the right-angle welding is combined with the fully-enclosed reinforced corner piece, so that the flower fence frame is not deformed, and the right-angle welding part is well protected from cracking by the enclosed reinforced corner piece; the inside of having slowed down hollow square pipe that the outage was seted up is fine corrodes, and the two-layer flower hurdle of this embodiment compares in current 45 oblique angle welded two-layer flower hurdle, and bearing capacity improves, and is anticorrosive, and whole life extension is more than 4 years.
Claims (10)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111017631.0A CN113682383B (en) | 2021-08-30 | 2021-08-30 | A high-strength energy-saving carriage fence frame for a cargo truck or semi-trailer |
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| CN202111017631.0A CN113682383B (en) | 2021-08-30 | 2021-08-30 | A high-strength energy-saving carriage fence frame for a cargo truck or semi-trailer |
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| CN113682383B CN113682383B (en) | 2025-03-14 |
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| CN113682383B (en) | 2025-03-14 |
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