CN111766158A - Wiring harness bending tester - Google Patents
Wiring harness bending tester Download PDFInfo
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- CN111766158A CN111766158A CN201910260875.8A CN201910260875A CN111766158A CN 111766158 A CN111766158 A CN 111766158A CN 201910260875 A CN201910260875 A CN 201910260875A CN 111766158 A CN111766158 A CN 111766158A
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- 238000005452 bending Methods 0.000 title claims abstract description 32
- 238000009434 installation Methods 0.000 claims description 10
- 238000012360 testing method Methods 0.000 claims description 9
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000009191 jumping Effects 0.000 abstract description 3
- 238000004088 simulation Methods 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/36—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by pneumatic or hydraulic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/38—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by electromagnetic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
- G01N2203/0007—Low frequencies up to 100 Hz
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0023—Bending
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/028—One dimensional, e.g. filaments, wires, ropes or cables
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Electromagnetism (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a wire harness bending tester which comprises a first fixing plate, a second fixing plate and a guide shaft, wherein the first fixing plate and the second fixing plate are fixedly connected through a plurality of fixing columns, fixing beams are arranged on the fixing columns, and a plurality of wire harness brackets are arranged on the fixing beams; one end of the guide shaft is connected with the first fixing plate, the other end of the guide shaft is connected with the second fixing plate, a movable beam is arranged on the guide shaft, the movable beam is provided with the plurality of wire harness supports, and the movable beam is connected with the guide shaft in a sliding mode through a first bearing; the invention not only meets the requirement of reciprocating high-speed motion, but also can adapt to the requirements of different temperature environments; the invention can verify the durability of the wire harness under different environmental working conditions and the reasonability of the wire harness arrangement, can adapt to the wire harnesses with different lengths and different jumping amplitudes, and has the advantages of easy replacement of the wire harness bracket and cost saving.
Description
Technical Field
The invention relates to the technical field of automobile testing, in particular to a wire harness bending testing machine.
Background
Along with the requirements of people on the safety, comfort and economy of the automobile, the configuration and functions of electric appliances on the automobile are more and more, and therefore wire harnesses for connecting all the electric appliances are more and more complex. The connecting wire harness is distributed around the automobile, is a frequent link of the automobile fault in the present generation, and is more and more concerned in the automobile design and production and manufacture.
The wire harness is widely used, the requirement of wire harness processing is stricter, and the wire harness product is often damaged when in use, for example, some poor contact or wire problems such as disconnection or grounding occur.
The tableland with the wire harness naturally damaged in the using process can be caused by long-time bending of a short article, so that the whole wire of a product is aged and an insulating layer is broken, and the strength performance of the whole machine is reduced when the product is used; the mechanical strength of the wire harness is reduced, so that the conditions of open circuit, short circuit and the like between wires are easily caused, the wire harness can be directly burnt out, and the automobile can not work normally.
The caliper wiring harness simulation test system is characterized in that the caliper wiring harness is important, the simulation bending movement of the caliper wiring harness is carried out before the actual vehicle is loaded, the reasonability of the arrangement of the caliper wiring harness and the bending durability of the wiring harness are very necessary to verify, the simulation test of the actual vehicle of the wiring harness is basically not carried out in the whole vehicle enterprise in the past, and the current international standard is not available. The high-frequency vibration has a high influence on the rationality of the arrangement of the clamp wire harness and the bending durability of the wire harness. Particularly, under the working condition environment of the real vehicle, for example, when a series of factors such as multi-axial periodic motion, large swing amplitude, extreme environment temperature and the like act together, the durability of the caliper wire harness is directly related to the overall maneuvering performance and safety performance of the vehicle.
The conventional wire harness simulation mechanism for the vehicle enterprises at present only simply carries out bending movement back and forth by 90 degrees, cannot simulate the movement mode of the working condition of the real vehicle, and has no any similarity with the working condition of the real vehicle; and the wire harness is only checked at the bending point of the wire harness around the shaft, for example, the endurance condition of the wire harness clamping position cannot be checked, the whole wire harness is not checked, the limitation is large, and the wire harness is separated from the working condition of a real vehicle.
Disclosure of Invention
In order to solve the technical problem, the invention discloses a wire harness bending testing machine which comprises a first fixing plate, a second fixing plate and a guide shaft, wherein the first fixing plate and the second fixing plate are fixedly connected through a plurality of fixing columns, fixing beams are arranged on the fixing columns, and a plurality of wire harness brackets are arranged on the fixing beams; one end of the guide shaft is connected with the first fixing plate, the other end of the guide shaft is connected with the second fixing plate, a movable beam is arranged on the guide shaft, the movable beam is provided with the wire harness supports, and the movable beam is connected with the guide shaft in a sliding mode through a first bearing.
Further, the first fixing plate and the second fixing plate are made of aluminum alloy.
Furthermore, a joint bearing is arranged on the movable beam, one end of the joint bearing is connected with the driving device, and the other end of the joint bearing is connected with the movable beam.
Furthermore, the fixed beam and the movable beam are sheet metal parts.
Furthermore, a plurality of first threaded holes are formed in the fixing column and used for adjusting the heights of the fixing beam and the movable beam.
Furthermore, a plurality of second threaded holes are formed in the fixing beam, and the second threaded holes are used for adjusting the position of the wire harness support.
Further, the number of the guide shafts is two.
Further, the first bearing is a linear bearing, and the linear bearing is suitable for high-speed reciprocating motion.
Further, the plurality of wire harness supports are real automobile parts, and the installation angles of the plurality of wire harness supports are the same as the installation angles of the automobile inner supports.
Further, the operating frequency of the driving device is 2.5 Hz.
The embodiment of the invention has the following beneficial effects:
1. the experimental device for simulating the bending motion of the automobile wire harness not only meets the requirement of reciprocating high-speed motion, but also can meet the requirements of different temperature environments.
2. The experimental device for simulating the bending motion of the automobile wire harness can verify the bending durability of the wire harness under different environmental working conditions and the reasonability of the wire harness arrangement.
3. The experimental device for simulating the bending motion of the automobile wire harness can adapt to the wire harnesses with different lengths and different jumping amplitudes, and the wire harness support is easy to replace, so that the cost is saved.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiment or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a structural view of a wire harness bending tester of the present invention;
FIG. 2 is a front view of the wire harness bending tester of the present invention;
fig. 3 is a left side view of the wire harness bending tester of the present invention.
Wherein the reference numerals in the figures correspond to:
1-a first fixing plate; 2-a second fixing plate; 3-fixing the column; 4-fixing the beam; 5-moving beam; 6-a guide shaft; 7-a first bearing; 8-knuckle bearing; 9-a wire harness support; 10-a wire harness; 11-drive means.
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 obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Example 1
Referring to fig. 1 to 3, the present embodiment provides a wire harness bending tester, including a first fixing plate 1, a second fixing plate 2, and a guide shaft 6, where the first fixing plate 1 and the second fixing plate 2 are fixedly connected by a plurality of fixing columns 3, a fixing beam 4 is disposed on the plurality of fixing columns 3, and the fixing beam 4 is disposed with a plurality of wire harness brackets 9; one end of the guide shaft 6 is connected with the first fixing plate 1, the other end of the guide shaft 6 is connected with the second fixing plate 2, a movable beam 5 is arranged on the guide shaft 6, the movable beam 5 is provided with the wire harness supports 9, and the movable beam 5 is connected with the guide shaft 6 in a sliding mode through a first bearing 7.
Preferably, the first fixing plate 1 and the second fixing plate 2 are made of aluminum alloy, so that the structure is firm and reliable, the weight is light, the carrying is easy, and the device is suitable for many working occasions.
Specifically, the fixing column 3 is provided with a reinforcing rib, which ensures the rigidity and strength of the whole device, and the fixing column 3 can stably support the whole frame; the fixing column 3 is provided with a mounting hole, so that the fixing column is convenient to mount and fix.
Preferably, the movable beam 5 is provided with a joint bearing 8, one end of the joint bearing 8 is connected with a driving device 11, and the other end of the joint bearing 8 is connected with the movable beam 5.
Specifically, the joint bearing 8 is easy to connect and adjust, and the component force between the joint bearing and the driving device 11 is eliminated, so that the experimental result is more accurate.
Preferably, the first fixing plate 1 and the second fixing plate 2 are fixedly connected by a plurality of fixing posts 3.
Specifically, the first fixing plate 1 and the second fixing plate 2 are parallel to each other, and the fixing posts 3 are perpendicular to the first fixing plate 1.
Specifically, the number of the fixing posts 3 is 4.
Preferably, a fixed beam 4 is arranged on the two fixed columns 3, the fixed beam 4 is provided with the plurality of wire harness brackets 9, and the wire harness brackets 9 are used for erecting the wire harness 10.
Preferably, a plurality of second threaded holes are formed in the fixing beam 4, and the second threaded holes are used for adjusting the position of the wire harness support 9.
Preferably, a movable beam 5 is arranged on the guide shaft 6, the movable beam 5 is provided with the plurality of wire harness supports 9, and the wire harness supports 9 are used for erecting the wire harness 10.
Specifically, the fixed beam 4 and the movable beam 5 are bent by adopting 4mm sheet metal, so that the strength is increased; the fixed beam 4 and the movable beam 5 are provided with a plurality of second threaded holes, and the plurality of second threaded holes are used for experiments of wire harnesses of different vehicle types; the plurality of second threaded holes are arranged according to a certain size according to the parameter characteristics of the wire harness and are used for fixedly mounting the wire harness support 9 of different vehicle types, so that the wire harness support is easy to replace and can simultaneously carry out multi-wire harness simulation movement.
Preferably, a plurality of first threaded holes with different heights are formed in the fixed column 3, and the first threaded holes are used for adjusting the heights of the fixed beam 4 and the movable beam 5.
Preferably, the fixed beam 4 and the movable beam 5 are sheet metal parts, so that the strength can be increased.
Preferably, the plurality of guide shafts 6 are disposed between the first fixing plate 1 and the second fixing plate 2.
Specifically, the number of the guide shafts 6 is two.
Preferably, the guide shaft 6 is perpendicular to the first fixing plate 1.
Preferably, the movable beam 5 is slidably connected with the guide shaft 6 through a first bearing 7.
Specifically, the first bearing 7 is a linear bearing, and the linear bearing can adapt to high-speed reciprocating motion and a low-temperature environment.
Preferably, the test temperature may be-20 ℃, -30 ℃ and room temperature.
Preferably, one end of the knuckle bearing 8 is connected with the movable beam 5, and the other end of the knuckle bearing 8 is connected with a driving device, wherein the driving device is used for controlling the movable beam 5 to reciprocate on the guide shaft 6.
Preferably, the drive means comprises a servo hydraulic cylinder and a linear electric cylinder.
Preferably, the working frequency of the driving device 11 is 2.5HZ, and the working frequency of the driving device 11 is the same as that of an actual vehicle, so that the accuracy of an experimental result is ensured.
Preferably, the plurality of wire harness brackets 9 are real vehicles, and the installation angles of the plurality of wire harness brackets 9 are the same as the installation angles of the brackets in the vehicle.
Preferably, the wire harness 10 is a real vehicle, so that the reliability of simulating the bending of the wire harness by the real vehicle is ensured.
Preferably, the harness 11 is a caliper harness.
Example 2
Referring to fig. 1 to 3, the present embodiment provides a wire harness bending tester, including a first fixing plate 1, a second fixing plate 2, and a guide shaft 6, where the first fixing plate 1 and the second fixing plate 2 are fixedly connected by a plurality of fixing columns 3, a fixing beam 4 is disposed on the plurality of fixing columns 3, and the fixing beam 4 is disposed with a plurality of wire harness brackets 9; one end of the guide shaft 6 is connected with the first fixing plate 1, the other end of the guide shaft 6 is connected with the second fixing plate 2, a movable beam 5 is arranged on the guide shaft 6, the movable beam 5 is provided with the wire harness supports 9, and the movable beam 5 is connected with the guide shaft 6 in a sliding mode through a first bearing 7.
Preferably, the first fixing plate 1 and the second fixing plate 2 are made of aluminum alloy, so that the structure is firm and reliable, the weight is light, the carrying is easy, and the device is suitable for many working occasions.
Specifically, the fixing column 3 is provided with a reinforcing rib, which ensures the rigidity and strength of the whole device, and the fixing column 3 can stably support the whole frame; the fixing column 3 is provided with a mounting hole, so that the fixing column is convenient to mount and fix.
Preferably, the movable beam 5 is provided with a joint bearing 8, one end of the joint bearing 8 is connected with a driving device 11, and the other end of the joint bearing 8 is connected with the movable beam 5.
Specifically, the joint bearing 8 is easy to connect and adjust, and the component force between the joint bearing and the driving device 11 is eliminated, so that the experimental result is more accurate.
Preferably, the first fixing plate 1 and the second fixing plate 2 are fixedly connected by a plurality of fixing posts 3.
Specifically, the first fixing plate 1 and the second fixing plate 2 are parallel to each other, and the fixing posts 3 are perpendicular to the first fixing plate 1.
Specifically, the number of the fixing posts 3 is 4.
Preferably, a fixed beam 4 is arranged on the two fixed columns 3, the fixed beam 4 is provided with the plurality of wire harness brackets 9, and the wire harness brackets 9 are used for erecting the wire harness 10.
Preferably, a plurality of second threaded holes are formed in the fixing beam 4, and the second threaded holes are used for adjusting the position of the wire harness support 9.
Preferably, a movable beam 5 is arranged on the guide shaft 6, the movable beam 5 is provided with the plurality of wire harness supports 9, and the wire harness supports 9 are used for erecting the wire harness 10.
Preferably, first threaded holes with different heights are formed in the fixed column 3, and the first threaded holes are used for adjusting the heights of the fixed beam 4 and the movable beam 5.
Preferably, the fixed beam 4 and the movable beam 5 are sheet metal parts, so that the strength can be increased.
Preferably, the plurality of guide shafts 6 are disposed between the first fixing plate 1 and the second fixing plate 2.
Specifically, the number of the guide shafts 6 is two.
Preferably, the guide shaft 6 is perpendicular to the first fixing plate 1.
Preferably, the movable beam 5 is slidably connected with the guide shaft 6 through a first bearing 7.
Specifically, the first bearing 7 is a linear bearing, and the linear bearing can adapt to high-speed reciprocating motion and a low-temperature environment.
Preferably, the test temperature may be-20 ℃, -30 ℃ and room temperature.
Preferably, one end of the knuckle bearing 8 is connected with the movable beam 5, and the other end of the knuckle bearing 8 is connected with a driving device, wherein the driving device is used for controlling the movable beam 5 to reciprocate on the guide shaft 6.
Preferably, the drive means comprises a servo hydraulic cylinder and a linear electric cylinder.
Preferably, the working frequency of the driving device 11 is 2.5HZ, and the working frequency of the driving device 11 is the same as that of an actual vehicle, so that the accuracy of an experimental result is ensured.
Preferably, the plurality of wire harness brackets 9 are real vehicles, and the installation angles of the plurality of wire harness brackets 9 are the same as the installation angles of the brackets in the vehicle.
Preferably, the wire harness 10 is a real vehicle, so that the reliability of simulating the bending of the wire harness by the real vehicle is ensured.
Preferably, the wire harness 11 is a seat wire harness.
Example 3
Referring to fig. 1 to 3, the present embodiment provides a wire harness bending tester, including a first fixing plate 1, a second fixing plate 2, and a guide shaft 6, where the first fixing plate 1 and the second fixing plate 2 are fixedly connected by a plurality of fixing columns 3, a fixing beam 4 is disposed on the plurality of fixing columns 3, and the fixing beam 4 is disposed with a plurality of wire harness brackets 9; one end of the guide shaft 6 is connected with the first fixing plate 1, the other end of the guide shaft 6 is connected with the second fixing plate 2, a movable beam 5 is arranged on the guide shaft 6, the movable beam 5 is provided with the wire harness supports 9, and the movable beam 5 is connected with the guide shaft 6 in a sliding mode through a first bearing 7.
Preferably, the first fixing plate 1 and the second fixing plate 2 are made of aluminum alloy, so that the structure is firm and reliable, the weight is light, the carrying is easy, and the device is suitable for many working occasions.
Specifically, the fixing column 3 is provided with a reinforcing rib, which ensures the rigidity and strength of the whole device, and the fixing column 3 can stably support the whole frame; the fixing column 3 is provided with a mounting hole, so that the fixing column is convenient to mount and fix.
Preferably, the movable beam 5 is provided with a joint bearing 8, one end of the joint bearing 8 is connected with a driving device 11, and the other end of the joint bearing 8 is connected with the movable beam 5.
Specifically, the joint bearing 8 is easy to connect and adjust, and the component force between the joint bearing and the driving device 11 is eliminated, so that the experimental result is more accurate.
Preferably, the first fixing plate 1 and the second fixing plate 2 are fixedly connected by a plurality of fixing posts 3.
Specifically, the first fixing plate 1 and the second fixing plate 2 are parallel to each other, and the fixing posts 3 are perpendicular to the first fixing plate 1.
Specifically, the number of the fixing posts 3 is 4.
Preferably, the mechanism further comprises a plurality of aluminium alloy plates for sealing the integral mechanism.
Preferably, the integrated mechanism is provided with a temperature regulator, and the temperature regulator is used for simulating the working conditions of automobiles with different temperatures.
Preferably, a fixed beam 4 is arranged on the two fixed columns 3, the fixed beam 4 is provided with the plurality of wire harness brackets 9, and the wire harness brackets 9 are used for erecting the wire harness 10.
Preferably, a plurality of second threaded holes are formed in the fixing beam 4, and the second threaded holes are used for adjusting the position of the wire harness support 9.
Preferably, a movable beam 5 is arranged on the guide shaft 6, the movable beam 5 is provided with the plurality of wire harness supports 9, and the wire harness supports 9 are used for erecting the wire harness 10.
Preferably, a plurality of second threaded holes are formed in the movable beam 5, and the second threaded holes are used for adjusting the position of the wire harness support 9.
Preferably, first threaded holes with different heights are formed in the fixed column 3, and the first threaded holes are used for adjusting the heights of the fixed beam 4 and the movable beam 5.
Preferably, the fixed beam 4 and the movable beam 5 are sheet metal parts, so that the strength can be increased.
Preferably, the plurality of guide shafts 6 are disposed between the first fixing plate 1 and the second fixing plate 2.
Specifically, the number of the guide shafts 6 is two.
Preferably, the guide shaft 6 is perpendicular to the first fixing plate 1.
Preferably, the movable beam 5 is slidably connected with the guide shaft 6 through a first bearing 7.
Specifically, the first bearing 7 is a linear bearing, and the linear bearing can adapt to high-speed reciprocating motion and a low-temperature environment.
Preferably, the test temperature may be-20 ℃, -30 ℃ and room temperature.
Preferably, one end of the knuckle bearing 8 is connected with the movable beam 5, and the other end of the knuckle bearing 8 is connected with a driving device, wherein the driving device is used for controlling the movable beam 5 to reciprocate on the guide shaft 6.
Preferably, the drive means comprises a servo hydraulic cylinder and a linear electric cylinder.
Preferably, the working frequency of the driving device 11 is 2.5HZ, and the working frequency of the driving device 11 is the same as that of an actual vehicle, so that the accuracy of an experimental result is ensured.
Preferably, the plurality of wire harness brackets 9 are real vehicles, and the installation angles of the plurality of wire harness brackets 9 are the same as the installation angles of the brackets in the vehicle.
Preferably, the wire harness 10 is a real vehicle, so that the reliability of simulating the bending of the wire harness by the real vehicle is ensured.
Preferably, the harness 11 is a caliper harness.
Although the present invention has been described by way of preferred embodiments, the present invention is not limited to the embodiments described herein, and various changes and modifications may be made without departing from the scope of the present invention.
The wire harness bending tester not only meets the requirement of reciprocating high-speed motion, but also can adapt to the requirements of different temperature environments; the invention can verify the bending durability of the wire harness under different environmental working conditions and the reasonability of the wire harness arrangement, can adapt to the wire harnesses with different lengths and different jumping amplitudes, and has the advantages of easy replacement of the wire harness bracket and cost saving.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
While the invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not to be limited to the disclosed embodiment, but on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (10)
1. The wire harness bending testing machine is characterized by comprising a first fixing plate (1), a second fixing plate (2) and a guide shaft (6), wherein the first fixing plate (1) and the second fixing plate (2) are fixedly connected through a plurality of fixing columns (3), fixing beams (4) are arranged on the fixing columns (3), and a plurality of wire harness supports (9) are arranged on the fixing beams (4);
the one end of guiding axle (6) with first fixed plate (1) is connected, the other end of guiding axle (6) with second fixed plate (2) are connected, be provided with walking beam (5) on guiding axle (6), be provided with on walking beam (5) a plurality of wire harness support (9), walking beam (5) through first bearing (7) with guiding axle (6) sliding connection.
2. The wire harness bending tester according to claim 1, wherein the material of the first fixing plate (1) and the second fixing plate (2) is aluminum alloy.
3. The wire harness bending tester according to claim 1, wherein the movable beam (5) is provided with a joint bearing (8), one end of the joint bearing (8) is connected with the driving device (11), and the other end of the joint bearing (8) is connected with the movable beam (5).
4. The wire harness bending tester according to claim 1, wherein the fixed beam (4) and the movable beam (5) are sheet metal parts.
5. The wire harness bending tester according to claim 1, wherein the fixed column (3) is provided with a plurality of first threaded holes, and the first threaded holes are used for adjusting the heights of the fixed beam (4) and the movable beam (5).
6. A machine according to claim 1 or 4, characterized in that said fixed beam (4) is provided with a plurality of second threaded holes for adjusting the position of said wire harness support (9).
7. A machine according to claim 1, wherein there are two guide shafts (6).
8. A machine according to claim 1, wherein the first bearing (7) is a linear bearing adapted to reciprocate at high speed.
9. The wire harness bending tester according to claim 1, wherein the plurality of wire harness supports (9) are solid vehicle parts, and the installation angles of the plurality of wire harness supports (9) are the same as the installation angles of the vehicle internal supports.
10. A machine according to claim 3, wherein said drive means (11) operates at a frequency of 2.5 HZ.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN111766158B (en) | 2024-06-07 |
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