CN110745700B - Integrated tube bundle process method for air brake system of crane chassis - Google Patents
Integrated tube bundle process method for air brake system of crane chassis Download PDFInfo
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- CN110745700B CN110745700B CN201911042426.2A CN201911042426A CN110745700B CN 110745700 B CN110745700 B CN 110745700B CN 201911042426 A CN201911042426 A CN 201911042426A CN 110745700 B CN110745700 B CN 110745700B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/12—Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts of devices
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- Mechanical Engineering (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The invention discloses an integrated tube bundle process method for a crane chassis air brake system, which comprises the following steps of; firstly, the method comprises the following steps: compiling a material receiving table, carrying out layout planning according to the production and assembly requirements of the chassis air brake system, and counting total materials; secondly, compiling a BOM table; thirdly, the method comprises the following steps: making a label, wherein the label is formulated and printed according to the information on the BOM and is attached to two ends of the nylon tube so as to facilitate information identification; fourthly, the method comprises the following steps: a lower pipe; fifthly: the connector is pressed, the nylon tube and the quick plug are placed on a tool table, the diameter of the tube is expanded through mechanical force, and the nylon tube and the quick plug are connected through elastic deformation of the tube and a connector; sixthly, the method comprises the following steps: and (4) beating the handle, and making the single prepared pipe into an integrated pipe bundle according to the regulation and the requirement. The installation accessory structure is compact and high in performance requirement, the accessory installation and the pipeline maintenance are convenient, and the assembly process is simplified. In the aspect of assembly, the traditional wrench screwing mode is improved into a plugging mode, so that the general assembly worker is easy to operate, the workload is reduced, and the efficiency is improved.
Description
Technical Field
The invention relates to an integrated tube bundle process method for a crane chassis air brake system, and belongs to the field of crane chassis air brake systems in engineering machinery.
Background
Along with the development of the engineering machinery industry and the continuous improvement of the requirement of a host factory on production efficiency, the requirement of mass production is met, and the requirement on the vehicle assembly speed is also improved. Therefore, in the assembly of the chassis air brake system of the road traveling machine, a new material and a new process are needed to be adopted to integrate the system, the tube bundle is integrated, the assembly speed is improved, the weight and cost are reduced, and the standardization and the integration of the air brake system are realized.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the integrated tube bundle process method for the air brake system of the crane chassis, wherein the integrated tube bundle provides stable air tightness for the air brake system, optimizes the performance of a pipeline and ensures the stability and smoothness of the air brake system.
In order to achieve the purpose, the invention adopts the technical scheme that: an integrated tube bundle process method for a crane chassis air brake system comprises the following steps;
the method comprises the following steps: compiling a material receiving table, carrying out reasonable layout planning according to the production and assembly requirements of the chassis air brake system, and counting the total materials, wherein the material receiving table comprises all material information in the integrated tube bundle; the material information comprises product name, model specification, quantity and stock code;
step two, compiling a BOM table; the BOM table comprises the model and the length of a nylon pipe, the model of a quick plug connected with two ends of the nylon pipe, color codes of two ends of the nylon pipe, and a connection description of a pipe bundle and parts of a whole vehicle;
step three: making a label, wherein the label is formulated and printed according to the information on the BOM and is attached to two ends of the nylon tube so as to facilitate information identification;
step four: the lower tube is used for cutting a nylon tube with the required length at the position according to the information on the BOM, and the cut tube opening is required to be incapable of inclining and have burr defects;
step five: and (3) crimping the connector, namely connecting the nylon pipe and the quick plug together in a crimping mode. The nylon tube and the quick plug are placed on a tool table, the diameter of the nylon tube is expanded through mechanical force, and the nylon tube and the quick plug are connected with the connector through elastic deformation of the nylon tube;
step six: and (4) beating the handle, and making the single prepared pipe into an integrated pipe bundle according to the regulation and the requirement.
Further, in the fourth step, the tube discharging operation is to cut out a corresponding nylon tube by using the tube discharging machine according to the size requirement of the label, stick the label of the tube bundle at a position 100mm away from the end of the nylon tube, and wind a corresponding color adhesive tape at a position 130mm away from the end of the nylon tube at two ends of the nylon tube according to the color code requirement on the label.
Furthermore, the process of tube lowering in the fourth step requires that burrs are avoided at the port of the uncut nylon tube, the label is folded along the two ends of the nylon tube and is firmly adhered, the color code is completely wound by an adhesive tape for two circles, and the distance between the adhesive tape and the adhesive tape is 2-3 mm; when nylon tube length was less than 450mm, the color code was pasted in the one end that has the label, and when nylon tube length was greater than 450mm, the color code was all pasted at both ends.
Further, the concrete crimping step of the fifth step of crimping the connector is that firstly, a clamp is selected to clamp the nylon tube according to the diameter of the nylon tube on the label; then pressing and connecting upper joints at two ends of the nylon tube according to the type of the quick plug on the label; after the connector is pressed, the connector is completely blocked by using corresponding plastic plugs without exposed connectors.
Further, the press-fitting process requirement of the fifth step of connector press-fitting is as follows: firstly, deep indentations are not required to be left on the nylon pipe, and when the joint is pressed and connected, the bamboo joint pipe of the joint and the pressed nylon pipe are kept on the same horizontal line; when the three-way connector is crimped, firstly, on a crimping tool is delayed, the 1 end and the 2 end are crimped, and then the last end of a tooling table for crimping the three-way connector is crimped; when the nylon pipe is clamped, the nylon pipe is exposed out of the furniture by 20-30 mm and is automatically adjusted according to the size of the joint.
Further, the specific operation step of beating the bundle in the sixth step is to fix the used tube bundle according to the serial number and the joint of the tube bundle marked on the bundle table; bundling the overlapped parts of the tube bundles by using a binding belt; and (4) winding the bundled tube bundle into a round shape, and bundling the bundled tube bundle by using a bundling rope.
Furthermore, the process requirement of beating the handles in the sixth step is that the distance between adjacent ribbons is 300mm, and all exposed joints are blocked by military plastic plugs; all the individual short tube bundles are bound together by a baling rope.
The invention has the beneficial effects that: the design concept accords with the production requirements of manufacturers on batch, standardization and integration, the compact structure and high performance requirements of installation accessories are realized, the installation of the accessories and the maintenance of pipelines are facilitated, and the assembly flow is simplified. In the aspect of assembly, the traditional wrench screwing mode is improved into a plugging mode, so that the general assembly worker is easy to operate, the workload is reduced, and the efficiency is improved. The original single pipe adopts a pipe bundle integration mode to ensure that the layout is more reasonable, the whole assembly is convenient, and the assembly is easy even in a narrow space. The tube bundle adopts an integrated mode to finish the one-time laying of the assembly line when the pipeline is laid, the pipeline modification rate on the assembly line is greatly reduced, the joint direction of the pipeline can be adjusted, the pipeline is convenient to comb, and the pipeline integration can optimize the pipeline arrangement and trend. The integrated tube bundle provides stable air tightness for the air braking system, optimizes the performance of the pipeline and ensures the stability and smoothness of the air braking system.
Drawings
FIG. 1 is a schematic diagram of a BOM form according to a first embodiment of the present invention;
FIG. 2 is a schematic label illustration of a first embodiment of the present invention;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention.
An integrated tube bundle process method for a crane chassis air brake system comprises the following steps;
the method comprises the following steps: compiling a material receiving table, carrying out reasonable layout planning according to the production and assembly requirements of the chassis air brake system, and counting the total materials, wherein the material receiving table comprises all material information in the integrated tube bundle; the material information comprises product name, model specification, quantity and stock code;
step two, compiling a BOM table; the BOM table comprises the model and the length of a nylon pipe, the model of a quick plug connected with two ends of the nylon pipe, color codes of two ends of the nylon pipe, and a connection description of a pipe bundle and parts of a whole vehicle;
step three: making a label, wherein the label is formulated and printed according to the information on the BOM and is attached to two ends of the nylon tube so as to facilitate information identification;
step four: the lower tube is used for cutting a nylon tube with the required length at the position according to the information on the BOM, and the cut tube opening is required to be incapable of inclining and have burr defects;
step five: and (3) crimping the connector, namely connecting the nylon pipe and the quick plug together in a crimping mode. The nylon tube and the quick plug are placed on a tool table, the diameter of the nylon tube is expanded through mechanical force, and the nylon tube and the quick plug are connected with the connector through elastic deformation of the nylon tube;
step six: and (4) beating the handle, and making the single prepared pipe into an integrated pipe bundle according to the regulation and the requirement.
The fourth step is that the lower pipe is operated as follows:
and A, cutting a nylon pipe with a corresponding length by using a pipe cutting machine according to the size requirement of the label.
B, sticking the label of the tube bundle at the position 100mm away from the end of the nylon tube.
C: according to the requirement of the label coloring standard, adhesive tapes with corresponding colors are wound at the positions 130mm away from the end ports at the two ends of the nylon tube.
The process requirements of the tube assembly in the fourth step are as follows:
1. the cut nylon tube end is free from burrs;
2. the label is folded along the two ends of the nylon tube, is firmly adhered and does not fall off;
3. the color code is completely wound by an adhesive tape for 2 circles, and the distance between the adhesive tape and the adhesive tape is 2-3 mm;
4. when the length of the nylon tube is less than 450mm, the color code is only attached to one end with the label;
when the length of the nylon tube is more than 450mm, color marks are stuck to both ends.
The concrete crimping step of the fifth step of crimping the connector is that firstly, a clamp is selected to clamp the nylon tube according to the diameter of the nylon tube on the label; then pressing and connecting upper joints at two ends of the nylon tube according to the type of the quick plug on the label; after the connector is pressed, the connector is completely blocked by using corresponding plastic plugs without exposed connectors.
The press-fitting process requirement of the five-joint press-fitting is as follows:
1. the nylon tube is not required to be provided with a deep indentation as far as possible, and when the indentation is deep, the clamp needs to be changed in time.
2. When the connector is pressed, the bamboo joint pipe and the pressed nylon pipe of the connector are kept on the same horizontal line as much as possible, and the attractiveness and the rapidness of pressing connection are guaranteed.
3. When the three-way connector is crimped, the ends 1 and 2 are crimped on a single crimping tool, and then the last end of the three-way crimping tool table is crimped.
4. When the nylon pipe is clamped, the nylon pipe is exposed out of the clamp by 20mm-30mm, and the nylon pipe is automatically adjusted within the range according to the size of the joint.
5. When the connector is successfully crimped with the nylon tube, the distance between the connector and the nylon tube is less than 1 mm.
The concrete operation step of punching in the sixth step is that the used tube bundle is fixed according to the serial number and the joint of the tube bundle marked on the punching table; bundling the overlapped parts of the tube bundles by using a binding belt; and (4) winding the bundled tube bundle into a round shape, and bundling the bundled tube bundle by using a bundling rope.
The process requirements of beating the handle in the sixth step are as follows:
1. each ribbon is about 300mm apart;
2. inspecting the integrated tube bundle;
3. checking whether the length and the joint of each tube bundle are correct or not according to the BOM list and the labels on the tube bundles;
4. all exposed joints are blocked by plastic plugs;
5. all individual relatively short tube bundles are bundled together with a baling rope;
6. bundling all the tube bundles together by using a packing rope, and warehousing.
The first embodiment is as follows:
as depicted in FIG. 1, the BOM table illustrates:
in the first column sequence number; "1" represents the first tube, and there are as many tubes as there are serial numbers;
in the specification of the second row of nylon pipes, "phi 16" indicates that a nylon pipe with the diameter of 16 is adopted;
the third column length "160" indicates that the tube is cut to a length of 160 mm;
the fourth row of color codes is red, which indicates that two red marks are stuck at two ends of the tube, and different color codes represent different air path controls and can be defined by self.
V203 in the fifth column of joints 1 indicates that one end of a nylon pipe is connected with a quick plug with the model of V203;
"rear axle 21 barrel" in the sixth row of connections 1 means that the other end of "V203" in connection 1 is connected to "rear axle 21 barrel";
the V203 in the seventh row of joints 2 indicates that the other end of the nylon pipe is connected with a quick plug with the model of V203;
"rear axle 21 tube right rear" in connection 2 of the eighth column means that the other end of "V203" in joint 2 is connected to "rear axle 21 tube right rear".
As depicted in fig. 2, the label states:
a: (1) represents the bundle number, i.e., the first nylon tube.
b: Φ 12 represents the diameter of the nylon tube used, i.e. the diameter 12 mm.
c: 260 represents the length of the nylon tube used, i.e. the length of the wire is 260 mm.
d: red represents the color scale of the present bundle, i.e., at 150mm from the tip. (labeling with Red adhesive tape)
e: V303-A1/V204 represents the connector type of the two ends of the nylon tube which should be pressed. Wherein V303-A1 represents the No. 1 pin of the three-way joint V303.
The integrated tube bundle converts the three-dimensional pipeline layout in the air brake system of the chassis into a planar layout for planning and arrangement, so that the trend of each tube can be determined, and the relative positions of the tubes and the positions of the joints must be accurate. The more the pipes bundled into the main pipe bundle in the bundle opening process, the fewer the scattered pipes are, and the faster the whole vehicle assembly speed is. The bundle can be used for bundling about 90% of the pipelines on the chassis, so that the final assembly can be finished by laying at one time. The invention is successfully applied to the air brake system of the crane chassis, completely meets the requirements of customers and is confirmed by the customers. Wherein the tooling platform which adopts the independently researched and developed air brake quick insertion press mounting in the production process is successfully applied as a patent of the utility model.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. An integrated tube bundle process method for a crane chassis air brake system is characterized by comprising the following steps;
the method comprises the following steps: compiling a material receiving table, carrying out reasonable layout planning according to the production and assembly requirements of the chassis air brake system, and counting the total materials, wherein the material receiving table comprises all material information in the integrated tube bundle; the material information comprises product name, model specification, quantity and stock code;
step two, compiling a BOM table; the BOM table comprises the model and the length of a nylon pipe, the model of a quick plug connected with two ends of the nylon pipe, color codes of two ends of the nylon pipe, and a connection description of a pipe bundle and parts of a whole vehicle;
step three: making a label, wherein the label is formulated and printed according to the information on the BOM and is attached to two ends of the nylon tube so as to facilitate information identification;
step four: the lower tube is used for cutting a nylon tube with the required length at the position according to the information on the BOM, and the cut tube opening is required to be incapable of inclining and have burr defects;
step five: the connector is crimped, and the nylon tube and the quick plug are connected together in a crimping mode; the nylon tube and the quick plug are placed on a tool table, the diameter of the nylon tube is expanded through mechanical force, and the nylon tube and the quick plug are connected with the connector through elastic deformation of the nylon tube;
step six: and (4) beating the handle, and making the single prepared pipe into an integrated pipe bundle according to the regulation and the requirement.
2. The process of claim 1, wherein the fourth step of tube descending operation comprises cutting out a nylon tube by using the tube descending machine according to the size requirement of the label, attaching the label of the tube bundle at a position 100mm away from the end of the nylon tube, and winding corresponding color tapes at two ends of the nylon tube at a position 130mm away from the end port according to the color code requirement on the label.
3. The process method of claim 1, wherein the four middle and lower tubes require that burrs are prevented from being generated at the port of the uncut nylon tube, the label is folded along the two ends of the nylon tube and is firmly adhered, the color code is completely wound by an adhesive tape for two circles, and the distance between the adhesive tape and the adhesive tape is 2-3 mm; when nylon tube length was less than 450mm, the color code was pasted in the one end that has the label, and when nylon tube length was greater than 450mm, the color code was all pasted at both ends.
4. The process method for the tube bundle of the air brake system of the crane chassis according to claim 1, wherein the concrete crimping step of the fifth step of the connector crimping is that firstly, a clamp is selected to clamp the nylon tube according to the diameter of the nylon tube on the label; then pressing and connecting upper joints at two ends of the nylon tube according to the type of the quick plug on the label; after the connector is pressed, the connector is completely blocked by using corresponding plastic plugs without exposed connectors.
5. The tube bundle process method for the air brake system of the crane chassis according to claim 1, wherein the press-fitting process requirement of the five-joint crimping in the step is as follows: firstly, deep indentations are not required to be left on the nylon pipe, and when the joint is pressed and connected, the bamboo joint pipe of the joint and the pressed nylon pipe are kept on the same horizontal line; when the three-way connector is crimped, firstly, on a crimping tool is delayed, the 1 end and the 2 end are crimped, and then the last end of a tooling table for crimping the three-way connector is crimped; when the nylon pipe is clamped, the nylon pipe is exposed out of the furniture by 20-30 mm and is automatically adjusted according to the size of the joint.
6. The integrated tube bundle process method for the air brake system of the crane chassis according to claim 1, characterized in that the concrete operation steps of the sixth step are that the tube bundles are fixed according to the serial numbers and joints of the tube bundles marked on the platform; bundling the overlapped parts of the tube bundles by using a binding belt; and (4) winding the bundled tube bundle into a round shape, and bundling the bundled tube bundle by using a bundling rope.
7. The process of claim 1, wherein the process requirements for bundling in step six are that adjacent bands are separated by a distance of 300mm, and all exposed connectors are plugged by military plastic plugs; all the individual short tube bundles are bound together by a baling rope.
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| CN201911042426.2A CN110745700B (en) | 2019-10-30 | 2019-10-30 | Integrated tube bundle process method for air brake system of crane chassis |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911042426.2A CN110745700B (en) | 2019-10-30 | 2019-10-30 | Integrated tube bundle process method for air brake system of crane chassis |
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| CN110745700A CN110745700A (en) | 2020-02-04 |
| CN110745700B true CN110745700B (en) | 2020-12-01 |
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| CN110295881A (en) * | 2019-08-05 | 2019-10-01 | 信达科创（唐山）石油设备有限公司 | A kind of water-gas thermometric umbilical line and preparation method thereof |
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2019
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| CN103049837A (en) * | 2012-12-24 | 2013-04-17 | 浙江中呼科技有限公司 | Mobile storage information management system with multiple terminals for updating and storing information in real time |
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| CN110745700A (en) | 2020-02-04 |
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