CN107627271B - Engine maintenance frame - Google Patents
Engine maintenance frame Download PDFInfo
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- CN107627271B CN107627271B CN201710995867.9A CN201710995867A CN107627271B CN 107627271 B CN107627271 B CN 107627271B CN 201710995867 A CN201710995867 A CN 201710995867A CN 107627271 B CN107627271 B CN 107627271B
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- bottom plate
- door frame
- frame
- mounting
- portal frame
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Abstract
The invention discloses an engine maintenance frame which comprises a bottom plate, a first portal frame, a second portal frame, a traction rod and a push rod, wherein idler wheels and a support leg assembly are arranged on the bottom plate, the first portal frame and the second portal frame respectively comprise a top beam, a cross beam and a vertical beam, the vertical beam of the first portal frame is hinged to one end of the bottom plate, the vertical beam of the second portal frame is hinged to the other end of the bottom plate, a first mounting lug is arranged on the top beam of the first portal frame, a second mounting lug and a third mounting lug are arranged on the top beam of the second portal frame, supporting grooves for supporting the push rod are respectively arranged on the cross beam of the first portal frame and the cross beam of the second portal frame, a positioning device for fixing the first portal frame and the second portal frame is arranged on the bottom plate, and a hook for mounting the traction rod is further arranged on the bottom plate. The device has the advantages of compact structure, small occupied space and convenient use.
Description
Technical Field
The invention belongs to the technical field of aviation machinery, and particularly relates to an engine maintenance frame.
Background
The engine provides power for the flight of the airplane, and the normal operation of the engine is required to be kept all the time during the flight of the airplane. In order to maintain the operational reliability of the engine, the engine needs to be maintained regularly, firstly, the fault of the engine is found and eliminated, and secondly, the damaged parts are repaired. In the process of engine maintenance, the engine is usually fixed on a maintenance frame and then maintained; the traditional maintenance frame has single function and large occupied space, and does not have the function of transferring the engine.
Disclosure of Invention
The invention aims to: the engine maintenance frame solves the defects in the prior art and is simple in structure and convenient to use.
In order to achieve the purpose, the invention adopts the technical scheme that: an engine maintenance frame comprises a bottom plate, a first door frame, a second door frame, a traction rod and an ejector rod, wherein the bottom plate is provided with idler wheels and supporting leg assemblies, the idler wheels are arranged at two ends of the bottom plate, the supporting leg assemblies are arranged at two side edges of the bottom plate, the first door frame and the second door frame respectively comprise a top beam, a cross beam and a vertical beam, the vertical beam of the first door frame is hinged at one end of the bottom plate, the first door frame can turn around a hinged part to enable the first door frame to be perpendicular to the bottom plate or to be parallel to the bottom plate, the vertical beam of the second door frame is hinged at the other end of the bottom plate and can turn around the hinged part to enable the second door frame to be perpendicular to the bottom plate or to be parallel to the bottom plate, the top beam of the first door frame is provided with a first installation ear, the top beam of the second door frame is provided with a second installation ear and a third installation ear, the transverse beam of the first portal frame and the transverse beam of the second portal frame are respectively provided with a supporting groove for supporting the ejector rod, the bottom plate is provided with a positioning device for fixing the first portal frame and the second portal frame, and the bottom plate is also provided with a hook for mounting the traction rod. The stabilizer blade subassembly include horizontal pole, montant and be used for the rotation the twist grip of montant, the one end of horizontal pole articulates the bottom plate on, be provided with the screw thread trepanning at the other end of this horizontal pole, the montant with the screw thread trepanning cooperation connect, twist grip set up the top of montant the bottom plate on still be provided with and be used for the location the constant head tank of horizontal pole the constant head tank with the corresponding position of horizontal pole on be provided with the locating hole, the locating hole on the constant head tank includes that the stabilizer blade subassembly is in the locating hole of the state of folding up and the locating hole of the state of expanding, is provided with the locating pin in the locating hole.
Furthermore, the first mounting lug comprises a mounting hole, a mounting pin and an adjusting sleeve for adjusting the height of the mounting hole, and the mounting pin is matched with the mounting hole.
Furthermore, the second mounting lug and the third mounting lug are both provided with mounting holes and mounting pins matched with the mounting holes.
Furthermore, the idler wheels are two pairs, one pair of the idler wheels is a directional wheel, the other pair of the idler wheels is a universal wheel, and a locking mechanism is arranged on the universal wheel.
Furthermore, an expansion joint for adjusting the length of the ejector rod is arranged on the ejector rod.
Furthermore, positioner including erecting roof beam constant head tank and crossbeam constant head tank, erect the roof beam constant head tank and be used for fixing first door style frame and second door style frame in user state, make first door style frame and second door style frame perpendicular to bottom plate and keep relative static, the crossbeam constant head tank be used for fixing first door style frame and second door style frame in fold condition, make first door style frame and second door style frame be on a parallel with the bottom plate and keep relative static.
Furthermore, the bottom plate is also provided with a clamping groove for containing the ejector rod and the traction rod, and when the maintenance frame is not used, the ejector rod and the traction rod are placed in the corresponding clamping groove, so that the ejector rod, the traction rod and the maintenance frame are integrated into a whole, and the storage is convenient.
Due to the adoption of the technical scheme, the invention has the beneficial effects that: in the invention, the first portal frame and the second portal frame are hinged on the bottom plate, when the device is used, the first portal frame and the second portal frame are vertical to the bottom plate, and when the device is not used, the first portal frame and the second portal frame turn over around the hinged part and are parallel to the bottom plate, so that the first portal frame and the second portal frame are in a folded state, the space occupied by the maintenance frame is reduced, and the structure is compact; the bottom plate arranged on the maintenance frame is provided with the roller and the traction rod, the traction rod is connected with other machines, the maintenance frame can be used as a short-distance transport vehicle, maintenance and transportation of the engine are integrated, the transfer process of the engine is reduced, and the maintenance frame is convenient to use.
Drawings
FIG. 1 is an overall schematic view of a maintenance rack according to the present invention;
FIG. 2 is a schematic front view of the maintenance frame according to the present invention in an unfolded state;
FIG. 3 is a front view of the maintenance frame of the present invention in a folded state;
FIG. 4 is a schematic view showing the overall structure of a first portal frame of the maintenance rack of the present invention;
FIG. 5 is a schematic view showing the overall structure of a second portal frame of the maintenance frame according to the present invention;
FIG. 6 is a schematic view of the overall structure of the leg assembly of the maintenance stand of the present invention;
reference numerals: 1-bottom plate, 2-first door frame, 3-second door frame, 4-traction rod, 5-ejector rod, 6-roller, 7-support leg component, 71-cross rod, 72-vertical rod, 73-rotating handle, 74-positioning groove, 75-positioning hole, 76-positioning pin, 8-top beam, 9-cross beam, 10-vertical beam, 11-first mounting lug, 12-second mounting lug, 13-third mounting lug, 14-supporting groove, 15-positioning device, 151-vertical beam positioning groove, 152-cross beam positioning groove, 16-hook, 17-adjusting sleeve, 18-locking mechanism, 19-telescopic joint and 20-clamping groove.
Detailed Description
Referring to fig. 1 to 6, embodiments of the present invention are specifically described.
An engine maintenance frame comprises a bottom plate 1, a first door frame 2, a second door frame 3, a traction rod 4 and a mandril 5, wherein rollers 6 and support leg assemblies 7 are arranged on the bottom plate 1, the rollers 6 are arranged at two ends of the bottom plate 1, the support leg assemblies 7 are arranged at two side edges of the bottom plate 1, each support leg assembly 7 comprises a cross rod 71, a vertical rod 72 and a rotating handle 73 used for adjusting the length of the vertical rod 72, one end of the cross rod 71 is hinged on the bottom plate 1, a threaded sleeve hole is arranged at the other end of the cross rod 71, the vertical rod 72 is matched and connected with the threaded sleeve hole, the rotating handle 73 is arranged at the top of the vertical rod 72, a positioning groove 74 used for positioning the cross rod 71 is further arranged on the bottom plate 1, positioning holes 75 are arranged at the positioning groove 74 and the position corresponding to the cross rod 71, the positioning hole 75 on the positioning groove 74 comprises a positioning hole 75 of the leg assembly 7 in a folded state and a positioning hole 75 of the leg assembly in an unfolded state, a positioning pin 76 is arranged in the positioning hole 75, the first door frame 2 and the second door frame 3 both comprise a top beam 8, a cross beam 9 and a vertical beam 10, the vertical beam 10 of the first door frame 2 is hinged at one end of the bottom plate 1, the first door frame 2 can be turned around the hinge joint to enable the first door frame 2 to be perpendicular to the bottom plate 1 or parallel to the bottom plate 1, the vertical beam 10 of the second door frame 3 is hinged at the other end of the bottom plate 1, the second door frame 3 can be turned around the hinge joint to enable the second door frame 3 to be perpendicular to the bottom plate 1 or parallel to the bottom plate 1, a first mounting ear 11 is arranged on the top beam 8 of the first door frame 2, the first mounting ear 11 comprises a mounting hole, a mounting pin and an adjusting sleeve 17 for adjusting the height of the mounting hole, the mounting pin with the mounting hole cooperation be provided with second installation ear 12 and third installation ear 13 on the back timber 8 of second door frame 3, all be provided with the mounting hole on second installation ear 12 and the third installation ear 13 and with mounting hole complex mounting pin, first door frame 2's crossbeam 9 with second door frame 3's crossbeam 9 on be provided with the support groove 14 that supports ejector pin 5 respectively, bottom plate 1 on be provided with and be used for fixing first door frame 2 with positioner 15 of second door frame 3, positioner 15 including erecting roof beam constant head tank 151 and crossbeam constant head tank 152, erect roof beam constant head tank 151 be used for fixing first door frame 2 and second door frame 3 in the user state, make first door frame 2 and second door frame 3 be perpendicular to bottom plate 1 and keep relative static, crossbeam constant head tank 152 be used for fixing first door frame 2 and second door frame 3 in folded condition, the first portal frame 2 and the second portal frame 3 are parallel to the bottom plate 1 and are kept relatively static; a hook 16 for installing the traction rod 4 is also arranged on the bottom plate 1.
Preferably, the rollers 6 are two pairs, one pair of which is a directional wheel, the other pair is a universal wheel, and the universal wheel is provided with a locking mechanism 18, and the locking mechanism 18 locks the universal wheel to play a role in braking and fixing.
Preferably, an expansion joint 19 for adjusting the length of the top bar 5 is arranged on the top bar 5, and the length of the top bar 5 is adjusted through the expansion joint 19, so that the top bar 5 is convenient to mount, and the top bar 5 is clamped between the first portal frame 2 and the second portal frame 3.
Preferably, the bottom plate 1 is further provided with a clamping groove 20 for accommodating the mandril 5 and the traction rod 4, and when the maintenance frame is not used, the mandril 5 and the traction rod 4 are placed in the corresponding clamping groove 20, so that the mandril 5 and the traction rod 4 are integrated with the maintenance frame.
When the maintenance frame is used, the first portal frame and the second portal frame in a folded state are unfolded, the specific method is that a positioning pin for fixing a cross beam 9 of the first portal frame 2 is disassembled, the first portal frame 2 is lifted, the first portal frame 2 is turned around a hinged position, when the first portal frame 2 is perpendicular to the bottom plate 1, a vertical beam 10 of the first portal frame 2 is fixed on a vertical beam positioning groove 151, the second portal frame 3 is unfolded, the vertical beam 10 of the second portal frame 3 is fixed on the corresponding vertical beam positioning groove 151, a mandril 5 in a clamping groove 20 of the bottom plate 1 is taken out, two ends of the mandril 5 are respectively placed in supporting grooves 14 on the cross beams 9 of the first portal frame 2 and the second portal frame 3, and a telescopic joint 19 is adjusted, so that the mandril 5 is tightly clamped between the first portal frame 2 and the second portal frame 3; similarly, the first door frame and the second door frame can be folded and fixed on the bottom plate by reverse operation.
When the engine is installed on the maintenance frame, the holes aligned on the two support lugs on the engine are respectively aligned with the installation holes on the second installation lug 12 and the third installation lug 13, and the installation pins are inserted into the installation holes, so that the engine is fixed on the second portal frame 3; after the engine is fixed on the second portal frame 3, rotating the adjusting sleeve 17 on the first mounting lug 11, adjusting the height of the mounting hole of the first mounting lug 11, aligning the hole of the support lug of the engine with the mounting hole when the height reaches the requirement, inserting the mounting pin into the mounting hole, and fixing the engine; the engine is fixed on the maintenance frame of the invention through the first mounting lug 11, the second mounting lug 12 and the third mounting lug 13, when the engine needs to be transported, the traction rod 4 on the bottom plate 1 is taken out from the clamping groove 20 and is mounted on the hook 16 of the bottom plate 1.
Deployment of the leg assembly 7: taking the positioning pin 76 out of the positioning hole 75 in the folded state, turning the cross bar 71 around the hinge joint, and inserting the positioning pin 76 into the mounting hole when the mounting hole on the cross bar 71 is turned to be aligned with the positioning hole 75 in the unfolded state on the positioning groove 74 to fix the leg assembly 7; the rotating handle 73 on the telescopic rod is rotated to increase the length of the telescopic rod, so that the roller 6 of the maintenance frame leaves the ground, and the support assembly is folded on the bottom plate by the same method.
The maintenance frame is simple and compact in structure and convenient to use, the space occupied by the maintenance frame is reduced, the bottom plate arranged on the maintenance frame is provided with the idler wheels and the traction rod, the traction rod is connected with other machines, the maintenance frame can be used as a short-distance transport vehicle, maintenance and transportation of the engine are integrated, the transfer process of the engine is reduced, and the maintenance frame is convenient to use.
Claims (7)
1. An engine maintenance frame which characterized in that: including bottom plate (1), first door frame (2), second door frame (3), traction lever (4) and ejector pin (5) bottom plate (1) on be provided with gyro wheel (6) and stabilizer blade subassembly (7), first door frame (2) with second door frame (3) all include back timber (8), crossbeam (9) and vertical beam (10), vertical beam (10) of first door frame (2) articulate the one end of bottom plate (1), vertical beam (10) of second door frame (3) articulate the other end of bottom plate (1) back timber (8) of first door frame (2) on be provided with first installation ear (11) top timber (8) of second door frame (3) on be provided with second installation ear (12) and third installation ear (13) crossbeam (9) of first door frame (2) and crossbeam (9) of second door frame (3) on be provided with the support respectively the crossbeam (9) of first door frame (2) and crossbeam (3) on be provided with support respectively A supporting groove (14) of the ejector rod (5), a positioning device (15) used for fixing the first portal frame (2) and the second portal frame (3) is arranged on the bottom plate (1), the positioning device (15) comprises a vertical beam positioning groove (151), and a hook (16) used for installing the traction rod (4) is further arranged on the bottom plate (1);
the supporting leg assembly (7) comprises a cross bar (71), a vertical bar (72) and a rotating handle (73) used for rotating the vertical bar (72), one end of the cross bar (71) is hinged to the bottom plate (1), a threaded sleeve hole is formed in the other end of the cross bar (71), the vertical bar (72) is connected with the threaded sleeve hole in a matched mode, the rotating handle (73) is arranged at the top of the vertical bar (72), a positioning groove (74) used for positioning the cross bar (71) is further formed in the bottom plate (1), a positioning hole (75) is formed in the position, corresponding to the positioning groove (74) and the cross bar (71), of the positioning hole (75), and a positioning pin (76) is arranged in the positioning hole (75); the positioning groove (74) is provided with two containing parts with a certain included angle.
2. The engine servicing stand of claim 1, wherein: the first mounting lug (11) comprises a mounting hole, a mounting pin and an adjusting sleeve (17) for adjusting the height of the mounting hole, and the mounting pin is matched with the mounting hole.
3. The engine servicing stand of claim 1, wherein: and mounting holes and mounting pins matched with the mounting holes are arranged on the second mounting lug (12) and the third mounting lug (13).
4. The engine servicing stand of claim 1, wherein: the roller wheels (6) are two pairs, one pair is a directional wheel, the other pair is a universal wheel, and a locking mechanism (18) is arranged on the universal wheel.
5. The engine servicing stand of claim 1, wherein: the ejector rod (5) is provided with an expansion joint (19) for adjusting the length of the ejector rod (5).
6. The engine servicing stand of claim 1, wherein: the positioning device (15) further comprises a beam positioning groove (152).
7. The engine servicing stand of claim 1, wherein: the bottom plate (1) is also provided with a clamping groove (20) for accommodating the ejector rod (5) and the traction rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710995867.9A CN107627271B (en) | 2017-10-23 | 2017-10-23 | Engine maintenance frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710995867.9A CN107627271B (en) | 2017-10-23 | 2017-10-23 | Engine maintenance frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107627271A CN107627271A (en) | 2018-01-26 |
| CN107627271B true CN107627271B (en) | 2021-04-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710995867.9A Active CN107627271B (en) | 2017-10-23 | 2017-10-23 | Engine maintenance frame |
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| Country | Link |
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| CN (1) | CN107627271B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108789344A (en) * | 2018-07-02 | 2018-11-13 | 芜湖鸣人汽车维修服务有限公司 | The auxiliary lying board device of auto repair |
| CN109048804A (en) * | 2018-08-02 | 2018-12-21 | 苏州频聿精密机械有限公司 | A kind of aero-engine support device can easily be accommodated position |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1812585A (en) * | 1928-09-21 | 1931-06-30 | Atlas Press Company | Engine stand |
| CN2820466Y (en) * | 2005-04-01 | 2006-09-27 | 吴万河 | Repair plat form for automobile engine |
| CN201217208Y (en) * | 2008-07-16 | 2009-04-08 | 重庆长安汽车股份有限公司 | Engine maintenance rig |
| CN102234085A (en) * | 2011-04-20 | 2011-11-09 | 山东力高升降机械有限公司 | Leg with leg locking mechanism |
| CN205766016U (en) * | 2016-05-21 | 2016-12-07 | 中车集团石家庄七四二O工厂 | Collapsible engine maintenance support |
-
2017
- 2017-10-23 CN CN201710995867.9A patent/CN107627271B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1812585A (en) * | 1928-09-21 | 1931-06-30 | Atlas Press Company | Engine stand |
| CN2820466Y (en) * | 2005-04-01 | 2006-09-27 | 吴万河 | Repair plat form for automobile engine |
| CN201217208Y (en) * | 2008-07-16 | 2009-04-08 | 重庆长安汽车股份有限公司 | Engine maintenance rig |
| CN102234085A (en) * | 2011-04-20 | 2011-11-09 | 山东力高升降机械有限公司 | Leg with leg locking mechanism |
| CN205766016U (en) * | 2016-05-21 | 2016-12-07 | 中车集团石家庄七四二O工厂 | Collapsible engine maintenance support |
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| Publication number | Publication date |
|---|---|
| CN107627271A (en) | 2018-01-26 |
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