CN112809641A - Tool frame support for maintaining passenger plane - Google Patents
Tool frame support for maintaining passenger plane Download PDFInfo
- Publication number
- CN112809641A CN112809641A CN202110263712.2A CN202110263712A CN112809641A CN 112809641 A CN112809641 A CN 112809641A CN 202110263712 A CN202110263712 A CN 202110263712A CN 112809641 A CN112809641 A CN 112809641A
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- China
- Prior art keywords
- corner seat
- corner
- fence
- seat
- dovetail groove
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H3/00—Storage means or arrangements for workshops facilitating access to, or handling of, work tools or instruments
- B25H3/04—Racks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H5/00—Tool, instrument or work supports or storage means used in association with vehicles; Workers' supports, e.g. mechanics' creepers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
A tool frame support for maintaining a passenger plane comprises a base assembly, rail assemblies capable of being stacked on the base assembly in multiple layers, pedals capable of being stacked on the rail assemblies on the topmost layer, and a push-pull rod arranged on one side of the base assembly. The base component comprises four detachable corner seats arranged at four corners of the base component, the four corner seats are a first corner seat, a second corner seat, a third corner seat and a fourth corner seat, a bottom sleeve is fixedly arranged at the outer edge of each corner seat, the four bottom sleeves are symmetrically arranged at the four corners of the base component, and two adjacent outer edges of each corner seat are protruded. The lower end of the fence component is provided with a fence loop bar matched with the bottom layer sleeve, and the top ends of the fence loop bar are provided with fence sleeves; the bottom surface of footboard is provided with the footboard loop bar with rail sleeve matching. The support is simple and stable in structure, simple in manufacturing process and low in manufacturing cost, the length and the width of the base assembly are adjustable, the base assembly is suitable for placing maintenance tool frames of different models and sizes, and the applicability is strong.
Description
Technical Field
The invention relates to the technical field of civil aviation overhaul tools, in particular to a tool frame support for maintaining an airliner.
Background
At present, the seagoing company is provided with maintenance bases in the Hainan, northwest, southwest, Fuzhou and other places, maintenance personnel at each maintenance base need to carry a plastic tool box when maintaining the passenger plane, and the tool box is used for accommodating maintenance tools commonly used in the maintenance process. When the maintenance machine works, the disassembly and assembly work related to the cabin roof area is often required, the cabin roof area is not too high but common people cannot stand enough, and the maintenance flow standard of marine navigation does not allow stepping on equipment on the maintenance machine for foot pad, so that maintenance personnel sometimes need to climb by means of the existing tool boxes, herringbone ladders and the like. However, the structural strength of the existing plastic tool box is not allowed to serve as a low-height working platform, and the maintenance tools arranged in the tool box are too much and heavy, so that the tool box is time-consuming and labor-consuming to carry and transport, and is very inconvenient. If the portable herringbone ladder between tools is used for maintenance, the following problems exist: (1) the herringbone ladder is inconvenient to carry; (2) the number of portable herringbone ladders in a tool room is insufficient, and the working requirement is difficult to meet; (3) the working platform of the herringbone ladder is small and inconvenient to use, and is easy to cause personal injury and tool damage. Moreover, if the plastic tool boxes of all the maintenance bases are replaced or subjected to intensity upgrading, the operation cost is greatly increased.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings in the prior art, and provides a tool frame support for maintaining an airliner, which is simple and stable in structure, simple in manufacturing process, low in manufacturing cost, adjustable in length and width of a base assembly, suitable for placing maintenance tool frames of different types and sizes, and high in applicability.
In order to achieve the purpose, the scheme is realized by the following technical scheme:
a tool frame support for maintaining a passenger plane comprises a base assembly, rail assemblies capable of being stacked on the base assembly in multiple layers, pedals capable of being stacked on the rail assemblies on the topmost layer, and a push-pull rod arranged on one side of the base assembly. The base component comprises four detachable corner seats arranged at four corners of the base component, the four corner seats comprise a first corner seat, a second corner seat, a third corner seat and a fourth corner seat, the outer edge of a corner of each corner seat is fixedly provided with a bottom layer sleeve, the four bottom layer sleeves are symmetrically arranged at the four corners of the base component, and two adjacent outer edges of each corner seat are protruded; and a fence sleeve rod matched with the bottom layer sleeve is arranged on the fence component.
Furthermore, a first dovetail groove facing the second corner seat is arranged on the first corner seat, and a plurality of first pin holes penetrating through the bottom of the first dovetail groove are uniformly formed in the first dovetail groove; a first sliding rod extending towards the third corner seat is arranged on the side face, facing the third corner seat, of the first corner seat, and a convex elastic buckle is arranged on the first sliding rod.
Further, a second dovetail connecting rod extending towards the first corner seat is integrally arranged on the second corner seat and matched with the first dovetail groove, and a plurality of second pin holes are uniformly formed in the second dovetail connecting rod and correspond to the first pin holes in the bottom of the first dovetail groove; a second sliding rod extending towards the fourth corner seat is arranged on the side surface of the second corner seat facing the fourth corner seat, and a convex elastic buckle is arranged on the second sliding rod; the second dovetail connecting rod can be inserted into the first dovetail groove and slide in the first dovetail groove.
Furthermore, a third dovetail groove facing to a fourth corner seat is arranged on the third corner seat, and a plurality of third pin holes penetrating through the bottom of the third dovetail groove are uniformly formed in the third dovetail groove; a third sliding cylinder extending towards the first corner seat is arranged on the side surface of the third corner seat facing the first corner seat, a plurality of third clamping holes are uniformly formed in the third sliding cylinder, and the third clamping holes are matched with the convex elastic buckles on the first sliding rod; the first slide bar can be inserted into the third slide cylinder and can slide in the third slide cylinder.
Further, a fourth dovetail connecting rod extending towards the third corner seat is integrally arranged on the fourth corner seat, the fourth dovetail connecting rod is matched with the third dovetail groove, and a plurality of fourth pin holes are uniformly formed in the fourth dovetail connecting rod and correspond to the third pin holes in the bottom of the third dovetail groove; a fourth sliding cylinder extending towards the second corner seat is arranged on the side surface of the fourth corner seat facing the second corner seat, a plurality of fourth clamping holes are uniformly formed in the fourth sliding cylinder, and the fourth clamping holes are matched with the convex elastic buckles on the second sliding rod; the second slide bar can be inserted into the fourth slide cylinder and can slide in the fourth slide cylinder.
Further, the fence assembly comprises four fence loop bars matched with the four bottom layer sleeves, the lower ends of the fence loop bars can be inserted into the bottom layer sleeves, and a fence sleeve is fixedly arranged at the top end of each fence loop bar; the waist parts of the four fence loop bars are transversely connected with a plurality of circle cross braces at intervals.
Furthermore, four pedal loop bars are fixedly arranged at four corners of the bottom surface of the pedal, and the pedal loop bars are matched with the fence sleeve at the top of the fence component.
Preferably, the push-pull rod is rotatably installed on one side of the base assembly, the push-pull rod is a telescopic push-pull rod, and a handle position of the push-pull rod is provided with an adjusting button.
Preferably, the bottoms of the first corner seat, the second corner seat, the third corner seat and the fourth corner seat are respectively provided with a universal wheel with a locking function.
Preferably, the bottom layer sleeve and the fence sleeve are both closed at the bottom and have an upward opening.
Compared with the prior art, the invention has the beneficial effects that:
1) the four corner seats of the base assembly are matched with the dovetail connecting rod through the dovetail groove, the sliding cylinder and the sliding rod, the pin hole and the bolt through the matching of the sliding cylinder and the sliding rod and the matching of the buckle and the clamping hole, so that the distance between the four corner seats can be adjusted, the length and the width of the base assembly can be adjusted, the base assembly is suitable for placing existing tool frames with different types and sizes in a maintenance base, a matched tool frame does not need to be customized again, the applicability is high, after the length and the width of the base assembly are adjusted, only adaptive fence assemblies and pedals need to be configured, the base assembly does not need to be manufactured again, and the cost can be saved;
2) the base component is formed by combining four separated corner seats, the four corner seats can be independently manufactured, the base component is manufactured without specially purchasing a whole block of large materials, the existing corner wastes are utilized to manufacture each corner seat, then the base component is assembled, the existing resources can be fully utilized, and the operation cost of a maintenance base is effectively saved;
3) the telescopic push-pull rod is arranged, so that when the tool frame support for maintaining the passenger plane is pushed and pulled through the push-pull rod, the inclination angle and the telescopic length are adjustable, and the use is very convenient;
4) the universal wheels with locking functions are arranged, so that the universal wheels can be locked before a maintainer climbs the pedal for operation, the stability of the support is enhanced, and safety accidents caused by the sliding of the universal wheels in the climbing operation process of the maintainer are avoided;
5) the tool frame support for maintaining the passenger plane has the advantages of simple and stable structure, simple manufacturing process and low manufacturing cost.
In order that the invention may be more clearly understood, preferred embodiments of the invention will now be described with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a schematic bottom view of the present invention;
FIG. 4 is a schematic front view of the present invention;
FIG. 5 is a schematic view of a base assembly according to the present invention;
FIG. 6 is an exploded view of the base assembly of the present invention;
FIG. 7 is an assembly schematic of the present invention;
fig. 8 and 9 are reference views showing a use state of the present invention, wherein fig. 8 is provided with only one layer of the rail assembly, and fig. 9 is provided with two layers of the rail assembly.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
Furthermore, if the terms "first," "second," and the like are used for descriptive purposes only, they are used for mainly distinguishing different devices, elements or components (the specific types and configurations may be the same or different), and they are not used for indicating or implying relative importance or quantity among the devices, elements or components, but are not to be construed as indicating or implying relative importance.
Referring to fig. 1 to 9, a tool frame support for maintaining a passenger plane includes a base assembly a, a plurality of rail assemblies b stacked on the base assembly a, a step c stacked on the topmost rail assembly b, and a push-pull rod d mounted on one side of the base assembly a, wherein the base assembly a can be used for placing a tool frame 9 carried by a service person in an aircraft maintenance base during routine maintenance.
The base component a comprises four corner seats arranged at four corners of the base component a, a bottom layer sleeve 13 is fixedly arranged at the outer edge of each corner seat, the bottom of the bottom layer sleeve 13 is closed, the opening of the bottom layer sleeve is upward, and the four bottom layer sleeves 13 are symmetrically arranged at the four corners of the base component a; two adjacent outer edges of each corner seat are raised so that a recess is formed in the base assembly a, in which a tool frame 9 for servicing a passenger aircraft can be placed. The four corner seats are a first corner seat 1, a second corner seat 2, a third corner seat 3 and a fourth corner seat 4.
The first angle seat 1 is provided with a first dovetail groove 11 facing the second angle seat 2, and a plurality of first pin holes penetrating through the bottom of the first dovetail groove 11 are uniformly formed in the first dovetail groove 11; a first sliding rod 12 extending towards the third seat 3 is arranged on the side surface of the first corner seat 1 facing the third seat 3, and a convex elastic buckle is arranged on the first sliding rod 12.
A second dovetail connecting rod 21 extending towards the first corner seat 1 is integrally arranged on the second corner seat 2, the second dovetail connecting rod 21 is matched with the first dovetail groove 11, and a plurality of second pin holes corresponding to the first pin holes at the bottom of the first dovetail groove 11 are uniformly arranged on the second dovetail connecting rod 21; a second slide bar 22 extending towards the fourth corner seat 4 is arranged on the side surface of the second corner seat facing the fourth corner seat 4, and a convex elastic buckle is arranged on the second slide bar 22. The second dovetail connecting rod 21 can be inserted into the first dovetail groove 11 and slide in the first dovetail groove 11, so that the distance between the first corner base 1 and the second corner base 2 can be adjusted, and the distance between the first corner base 1 and the second corner base 2 can be locked only by inserting a positioning pin into the corresponding first pin hole and the second pin hole.
A third dovetail groove 31 facing the fourth corner seat 4 is arranged on the third corner seat 3, and a plurality of third pin holes penetrating through the bottom of the third dovetail groove 31 are uniformly formed in the third dovetail groove 31; a third sliding barrel 32 extending towards the first corner seat 1 is arranged on the side surface of the third corner seat 3 facing the first corner seat 1, a plurality of third clamping holes are uniformly formed in the third sliding barrel 32, and the third clamping holes are matched with the convex elastic buckles on the first sliding rod 12. The first slide bar 12 can be inserted into the third slide cylinder 32 and slide in the third slide cylinder 32, so that the distance between the first corner seat 1 and the third corner seat 3 can be adjusted, and the elastic buckle on the first slide bar 12 can be popped out from one of the third clamping holes on the third slide cylinder 32, so that the distance between the first corner seat 1 and the third corner seat 3 can be locked.
A fourth dovetail connecting rod 41 extending towards the third base 3 is integrally arranged on the fourth corner base 4, the fourth dovetail connecting rod 41 is matched with the third dovetail groove 31, and a plurality of fourth pin holes corresponding to the third pin holes at the bottom of the third dovetail groove 31 are uniformly formed in the fourth dovetail connecting rod 41; a fourth sliding barrel 42 extending towards the second corner seat 2 is arranged on the side surface of the fourth corner seat 4 facing the second corner seat 2, a plurality of fourth clamping holes are uniformly arranged on the fourth sliding barrel 42, and the fourth clamping holes are matched with the convex elastic buckles on the second sliding rod 22. The second slide bar 22 can be inserted into the fourth slide cylinder 42 and slide in the fourth slide cylinder 42, so that the distance between the second corner seat 2 and the fourth corner seat 4 can be adjusted, and the elastic buckle on the second slide bar 22 can be popped out from one of the fourth buckle holes on the fourth slide cylinder 42, so that the distance between the second corner seat 2 and the fourth corner seat 4 can be locked.
Further, the fence assembly b comprises four fence loop bars 51 matched with the four bottom layer sleeves 13, the lower ends of the fence loop bars 51 can be inserted into the bottom layer sleeves 13, the top end of each fence loop bar 51 is fixedly provided with a fence sleeve 52, the bottom of each fence sleeve 52 is closed, and the opening of each fence sleeve is upward; the waist of the four fence rods 51 is transversely connected with a plurality of ring cross braces 53 at intervals so as to enhance the structural strength of the fence component b. In practice, the fence sleeve rod 51 of the first layer of fence component b is inserted into the bottom layer sleeve 13 on the base component a, so that the first layer of fence component b can be stacked on the base component a, and the fence sleeve rod 51 of the second layer of fence component b is inserted into the fence sleeve 52 of the first layer of fence component b, so that the second layer of fence component b can be stacked on the first layer of fence component b.
Furthermore, four pedal sleeve rods 61 are fixedly arranged at four corners of the bottom surface of the pedal c, and are matched with the four fence sleeves 52 at the top of the fence component b, and the pedal sleeve rods 61 can be inserted into the fence sleeves 52, so that the pedal c can be installed on the topmost fence component b in a superposed manner. The pedal c is used for trampling and climbing for maintenance personnel, and the installation height of the pedal c can be adjusted due to the fact that the fence components b can be stacked, so that the maintenance personnel can reach different heights in actual work, and the applicability is high. In addition, in actual working conditions, maintenance personnel can combine a plurality of tool frame supports with different heights for passenger plane maintenance side by side to form a step shape, so that the passenger plane can climb up more conveniently in the maintenance work.
Furthermore, the push-pull rod d is rotatably mounted on one side of the base assembly a through the matching of the sleeve lug and the rotating shaft, the push-pull rod d is a telescopic push-pull rod, and an adjusting button is arranged at the handle position of the push-pull rod d and used for adjusting the telescopic length of the push-pull rod d.
Furthermore, in order to enhance the mobility of the tool frame support for maintaining the passenger plane, the four corners of the bottom surface of the base component a are further provided with universal wheels e with a locking function, specifically, the bottoms of the first corner base 1, the second corner base 2, the third corner base 3 and the fourth corner base 4 are respectively provided with a universal wheel e with a locking function.
Compared with the prior art, the invention has the beneficial effects that: the four angle seats of the base assembly a are matched with the dovetail connecting rod through the dovetail groove, the sliding cylinder and the sliding rod, the pin hole and the bolt pin through the matching of the sliding cylinder and the sliding rod, and the buckle and the clamping hole through the matching, so that the distance between the four angle seats can be adjusted, the length and the width of the base assembly a can be adjusted, the base assembly a is suitable for placing existing tool frames with different models and sizes in a maintenance base, a matched tool frame does not need to be customized again, and the applicability is strong; the base component a is formed by combining four separated corner seats, the four corner seats can be independently manufactured, the base component a is manufactured without specially purchasing a whole block of large materials, each corner seat can be manufactured by utilizing the existing corner waste materials, then the base component a is assembled, the existing resources can be fully utilized, and the operation cost of a maintenance base is effectively saved; the telescopic push-pull rod d is arranged, so that when the tool frame support for maintaining the passenger plane is pushed and pulled through the push-pull rod d, the inclination angle is adjustable, the telescopic length is adjustable, and the use is very convenient; be provided with universal wheel e of taking locking function, maintenance personal will climb to the footboard c before the operation, can lock universal wheel e earlier to the stability of this support is strengthened, avoids maintenance personal to climb the operation in-process because universal wheel e slides and take place the incident.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (10)
1. A tool frame support for maintaining a passenger plane, comprising a base assembly, a plurality of fence assemblies stacked on the base assembly, a pedal stacked on the topmost fence assembly, and a push-pull rod arranged on one side of the base assembly, wherein: the base component comprises four detachable corner seats arranged at four corners of the base component, the four corner seats comprise a first corner seat, a second corner seat, a third corner seat and a fourth corner seat, the outer edge of a corner of each corner seat is fixedly provided with a bottom layer sleeve, the four bottom layer sleeves are symmetrically arranged at the four corners of the base component, and two adjacent outer edges of each corner seat are protruded; and a fence sleeve rod matched with the bottom layer sleeve is arranged on the fence component.
2. A tool frame carrier for use in servicing a passenger aircraft as defined in claim 1, wherein: the first angle seat is provided with a first dovetail groove facing the second angle seat, and a plurality of first pin holes penetrating through the bottom of the first dovetail groove are uniformly formed in the first dovetail groove; a first sliding rod extending towards the third corner seat is arranged on the side face, facing the third corner seat, of the first corner seat, and a convex elastic buckle is arranged on the first sliding rod.
3. A tool frame carrier for use in servicing a passenger aircraft as defined in claim 2, wherein: a second dovetail connecting rod extending towards the first corner seat is integrally arranged on the second corner seat and matched with the first dovetail groove, and a plurality of second pin holes corresponding to the first pin holes at the bottom of the first dovetail groove are uniformly arranged on the second dovetail connecting rod; a second sliding rod extending towards the fourth corner seat is arranged on the side surface of the second corner seat facing the fourth corner seat, and a convex elastic buckle is arranged on the second sliding rod; the second dovetail connecting rod can be inserted into the first dovetail groove and slide in the first dovetail groove.
4. A tool frame carrier for use in servicing a passenger aircraft as defined in claim 3, wherein: a third dovetail groove facing to a fourth corner seat is arranged on the third corner seat, and a plurality of third pin holes penetrating through the bottom of the third dovetail groove are uniformly formed in the third dovetail groove; a third sliding cylinder extending towards the first corner seat is arranged on the side surface of the third corner seat facing the first corner seat, a plurality of third clamping holes are uniformly formed in the third sliding cylinder, and the third clamping holes are matched with the convex elastic buckles on the first sliding rod; the first slide bar can be inserted into the third slide cylinder and can slide in the third slide cylinder.
5. A tool frame carrier for use in servicing a passenger aircraft as defined in claim 4, wherein: a fourth dovetail connecting rod extending towards the third corner seat is integrally arranged on the fourth corner seat and matched with the third dovetail groove, and a plurality of fourth pin holes corresponding to the third pin holes at the bottom of the third dovetail groove are uniformly formed in the fourth dovetail connecting rod; a fourth sliding cylinder extending towards the second corner seat is arranged on the side surface of the fourth corner seat facing the second corner seat, a plurality of fourth clamping holes are uniformly formed in the fourth sliding cylinder, and the fourth clamping holes are matched with the convex elastic buckles on the second sliding rod; the second slide bar can be inserted into the fourth slide cylinder and can slide in the fourth slide cylinder.
6. A tool frame carrier for use in servicing a passenger aircraft as defined in claim 1, wherein: the fence component comprises four fence sleeve rods matched with the four bottom layer sleeves, the lower ends of the fence sleeve rods can be inserted into the bottom layer sleeves, and a fence sleeve is fixedly arranged at the top end of each fence sleeve rod; the waist parts of the four fence loop bars are transversely connected with a plurality of circle cross braces at intervals.
7. A tool frame carrier for use in servicing a passenger aircraft as defined in claim 6, wherein: four pedal loop bars are fixedly arranged at four corners of the bottom surface of the pedal and are matched with the fence sleeve at the top of the fence component.
8. A tool frame carrier for use in servicing a passenger aircraft as defined in claim 1, wherein: the push-pull rod is rotatably arranged on one side of the base assembly, the push-pull rod is a telescopic push-pull rod, and an adjusting button is arranged at the handle position of the push-pull rod.
9. A tool frame carrier for use in servicing a passenger aircraft as defined in claim 1, wherein: the bottom of the first corner seat, the bottom of the second corner seat, the bottom of the third corner seat and the bottom of the fourth corner seat are respectively provided with a universal wheel with a locking function.
10. A tool frame carrier for use in servicing a passenger aircraft as defined in claim 6, wherein: the bottom layer sleeve reaches the rail sleeve is that the bobbin base seals and the nozzle up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110263712.2A CN112809641A (en) | 2021-03-11 | 2021-03-11 | Tool frame support for maintaining passenger plane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110263712.2A CN112809641A (en) | 2021-03-11 | 2021-03-11 | Tool frame support for maintaining passenger plane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112809641A true CN112809641A (en) | 2021-05-18 |
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ID=75863110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110263712.2A Pending CN112809641A (en) | 2021-03-11 | 2021-03-11 | Tool frame support for maintaining passenger plane |
Country Status (1)
| Country | Link |
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| CN (1) | CN112809641A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113649989A (en) * | 2021-10-19 | 2021-11-16 | 江苏坦途专用汽车制造有限公司 | Movable maintenance device for manufacturing automobile parts |
-
2021
- 2021-03-11 CN CN202110263712.2A patent/CN112809641A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113649989A (en) * | 2021-10-19 | 2021-11-16 | 江苏坦途专用汽车制造有限公司 | Movable maintenance device for manufacturing automobile parts |
| CN113649989B (en) * | 2021-10-19 | 2021-12-28 | 江苏坦途专用汽车制造有限公司 | Movable maintenance device for manufacturing automobile parts |
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