CN111003656A - Pre-loading vehicle with unilateral lifting function - Google Patents
Pre-loading vehicle with unilateral lifting function Download PDFInfo
- Publication number
- CN111003656A CN111003656A CN201911153238.7A CN201911153238A CN111003656A CN 111003656 A CN111003656 A CN 111003656A CN 201911153238 A CN201911153238 A CN 201911153238A CN 111003656 A CN111003656 A CN 111003656A
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- Prior art keywords
- fixed frame
- lifting
- engine
- hydraulic
- frame
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
- B66F7/16—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/46—Combinations of several jacks with means for interrelating lifting or lowering movements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/22—Lifting frames, e.g. for lifting vehicles; Platform lifts with tiltable platforms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention provides a pre-loading vehicle with a unilateral lifting function, which comprises: fixed frame, portable frame, two main strong points, Y type pull rod, guide rail, adjusting hand wheel and four wheels, portable frame passes through the guide rail and is connected with fixed frame, and adjusting hand wheel sets up on fixed frame, makes portable frame remove about can on fixed frame, and two main strong points and Y type pull rod set up on portable support frame, and the car of loading in advance that has unilateral raising and lowering functions still includes: elevating system, elevating system includes four elevating gear, four elevating gear are located in fixed frame below, and two liang of side by side sets up on the left side and the right side of engine axis, and elevating gear's one end and fixed connected to the vehicle frame, and the other end contacts with ground, makes the left side or the right side of pre-loading car go up and down, under the unchangeable circumstances of the state of keeping the engine stores pylon, utilizes the unilateral raising and lowering functions of pre-loading car to solve the problem that meets stores pylon load pin and engine erection festival can not the centering.
Description
Technical Field
The invention relates to the field of engines, in particular to a pre-loading vehicle with a unilateral lifting function.
Background
The pre-loading vehicle is a special device for mounting an engine rack, and is used for fixing an engine by using an auxiliary supporting point of the engine, vacating a main supporting point and an auxiliary supporting point of the engine so as to be connected with the engine to a main bearing pin of an engine hanger and fixing the engine. The pre-loading vehicle can have the fine adjustment function of the engine in the axial direction and the horizontal direction, but does not have the lifting function in the vertical direction, and the position adjustment in the vertical direction is generally controlled by a lifting system of an engine hanging rack.
As shown in fig. 1, because the devices installed on the engine hanger are not symmetrically distributed, when the hanger is fixed at two points in the axial direction by using a crane, the main bearing pin of the hanger is not horizontal, which brings great inconvenience to the installation of the bearing pin of the engine fixed on the pre-loader. If the operation is improper during installation, the weight of the pylon is applied to a bearing case of the engine through the main bearing pin, and the bearing case is deformed under stress virtually.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
Therefore, the invention provides a pre-loading vehicle with a unilateral lifting function.
In view of the above, the present invention provides a pre-loader with a single-side lifting function, comprising: the device comprises a fixed frame, a movable frame, two main supporting points, a Y-shaped pull rod, a guide rail, an adjusting hand wheel and four wheels, wherein the movable frame is positioned on the fixed frame and is connected with the fixed frame through the guide rail; the pre-truck with unilateral raising and lowering functions still includes: the lifting mechanism comprises four lifting devices, the four lifting devices are positioned below the fixed frame, the left side and the right side of the axis of the engine are arranged side by side in pairs, one end of each lifting device is connected with the fixed frame, and the other end of each lifting device is in contact with the ground, so that the left side or the right side of the pre-assembly vehicle can be lifted.
Preferably, the lifting device is a hydraulic lifting device with a self-sealing hydraulic joint, and comprises: the piston rod extends and retracts in the cylinder body, and when the piston rod extends out, the piston rod is in contact with the ground.
Preferably, elevating system still includes hydraulic pressure loader and synchronizer, the quantity of hydraulic pressure loader and synchronizer's quantity are two, and synchronizer's one end is connected with the hydraulic pressure loader, and the other end is connected with two elevating gear that set up on the left of engine axis side by side or set up two elevating gear on the right side of engine axis side by side all, makes and sets up two elevating gear on the left of engine axis side by side or set up two elevating gear on the right side of engine axis side by side and go up and down in step.
Preferably, the synchronizing means is a flow divider valve.
Preferably, the hydraulic loader is connected with an inlet of the shunt valve through a hose, and an outlet of the shunt valve is respectively connected with self-sealing hydraulic joints of two hydraulic lifting devices arranged on the left side of the axis of the engine side by side or self-sealing hydraulic joints of two hydraulic lifting devices arranged on the right side of the axis of the engine side by side through hoses.
Preferably, the lifting mechanism further comprises four L-shaped supports, the lifting device is arranged on the L-shaped supports, and the L-shaped supports are connected with the fixed frame.
Compared with the prior art, the invention has the beneficial effects that:
the pre-installation vehicle with the lateral lifting device can realize synchronous lifting of the two hydraulic lifting devices on the left side or the right side of the pre-installation vehicle, under the condition that the state of an engine hanging rack is kept unchanged, the problem that a hanging rack bearing pin and an engine installation section cannot be aligned is solved by utilizing the single-side lifting function of the pre-installation vehicle, unnecessary damage to an engine in the installation process can be reduced, the original hanging rack structure is not changed, the original parts of the pre-installation vehicle are not changed greatly, the single-side lifting function of the pre-installation vehicle is realized, the cost is saved, and the implementation method is simple and convenient.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 shows a schematic view of a pre-loader of the prior art;
FIG. 2 shows a schematic structural view of a pre-load cart according to one embodiment of the present invention;
FIG. 3 shows a schematic structural view of a pre-load cart according to one embodiment of the present invention;
FIG. 4 shows a schematic structural view of a pre-truck according to one embodiment of the present invention;
fig. 5 shows a schematic structural view of a lifting device of a pre-truck according to an embodiment of the present invention;
FIG. 6 shows a schematic structural view of a pre-load cart according to one embodiment of the present invention;
fig. 7 is a schematic view showing a connection relationship of a hydraulic loader and a synchronizing device of a pre-truck according to an embodiment of the present invention;
FIG. 8 shows a schematic structural view of a pre-load cart according to an embodiment of the present invention;
wherein: 1. a hanger 1; 2. an engine; 3. a force bearing pin; 4. pre-loading; 41. fixing the frame; 42. a movable frame; 43. main supporting points 44 and a Y-shaped pull rod; 45. a guide rail; 46. adjusting a hand wheel; 47. a wheel; 5. a main mounting section; 6. the lifting device 7 and the L-shaped bracket; 8. a hydraulic loader; 9. synchronization device
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
A pre-truck having a single-sided lift function according to some embodiments of the present invention will now be described with reference to fig. 2-8.
In an embodiment of the present invention, as shown in fig. 2 to 8, the present invention provides a pre-loader 4 having a one-side lifting function, including: the device comprises a fixed frame 41, a movable frame 42, two main supporting points 43, a Y-shaped pull rod 44, a guide rail 45, an adjusting hand wheel 46 and four wheels 47, wherein the movable frame 42 is positioned on the fixed frame 41 and is connected with the fixed frame 41 through the guide rail 45, the adjusting hand wheel 46 is arranged on the fixed frame 41 to enable the movable frame 42 to move left and right on the fixed frame 41, the two main supporting points 43 and the Y-shaped pull rod 44 are arranged on a movable supporting frame and are used for fixing the engine 2 on the pre-loading vehicle 4, and the wheels 47 are arranged on the lower end face of the fixed frame 41 and are circumferentially arranged along the lower end face of the fixed frame 41; the pre-truck 4 with the unilateral elevating function further includes: elevating system, elevating system includes: four elevating gear 6, four elevating gear 6 are located fixed frame 41 below, and two liang of setting side by side on the left side and the right side of engine 2 axis to with engine 2 focus interval certain distance, elevating gear 6's one end is connected with fixed frame 41, the other end and ground contact, make the left side or the right side lift of pre-installation car 4 as required.
In this embodiment, the pre-truck 4 having the one-side lift function includes: a fixed frame 41, a movable frame 42, two main supporting points 43, a Y-shaped pull rod 44, a guide rail 45, an adjusting hand wheel 46 and four wheels 47, wherein the movable frame 42 is arranged on the fixed frame 41 in parallel and is connected with the fixed frame 41 through the guide rail 45, the guide rail 45 is arranged on the upper end surface of the fixed frame 41, a slide block of the guide rail 45 is connected with the lower end surface of the movable frame 42, the adjusting hand wheel 46 is arranged on the fixed frame 41, the adjusting hand wheel 46 is connected with the guide rail 45 through a roller lead screw in a matching way, the adjusting hand wheel 46 drives the roller lead screw to move, the roller lead screw drives the slide block to move on a slide rail, so that the movable frame 42 can move left and right on the fixed frame 41, the two main supporting points 43 and the Y-shaped pull rod 44 are arranged on a movable supporting frame, the two main supporting points 43 are respectively arranged at the positions, in order to support the engine 2, the main supporting point is a component having a supporting function, such as a positioning bracket, a Y-shaped pull rod 44 is disposed at a position near the rear end side of the movable frame 42, the Y-shaped pull rod is connected to a rear casing of the engine 2, the engine 2 is pulled from the rear part, so that the front part of the engine 2 is fixed on the pre-loading vehicle in a cantilever state, wheels 47 are mounted on the lower end surface of the fixed frame 41 and circumferentially disposed along the lower end surface of the fixed frame 41, and the pre-loading vehicle 4 having a unilateral lifting function further includes: the lifting mechanism comprises four lifting devices 6, the stroke of each lifting device 6 is 125mm, the bearing capacity of each lifting device 6 is not less than 1t, the four lifting devices 6 are positioned below the fixed frame and close to the front side and the rear side of the fixed frame 41, the lifting devices 6 are arranged on the left side and the right side of the axis of the engine 2 in pairs in parallel, in the axial direction of the engine, the lifting devices 6 are positioned on the inner sides of wheels 47 in the vertical direction of the axis of the engine, the lifting devices 6 are positioned on the outer sides of the wheels 47 in the vertical direction of the axis of the engine, one end of each lifting device 6 is connected with the fixed frame 41, the other end of each lifting device 6 is contacted with the ground, two lifting devices 6 arranged on the left side of the axis of the engine 2 in parallel are started according to needs, or two lifting devices 6 arranged on the right side of the axis of the engine 2 in parallel are started to lift the left side or the right side, on the premise of ensuring the fixation safety of the engine 2, the centering of the main bearing pin 3 of the hanger 1 and the main mounting section 5 of the engine 2 is realized, the mounting work efficiency of the engine 2 can be improved, and unnecessary damage to the engine 2 possibly caused in the mounting process is reduced.
In one embodiment of the present invention, preferably, the lifting device 6 is a hydraulic lifting device 6 with a self-sealing hydraulic joint, comprising: the piston rod and the cylinder body, the cylinder body is connected with the fixed frame 41, the piston rod extends and contracts in the cylinder body, and when the piston rod extends out, the piston rod is contacted with the ground.
In this embodiment, the lifting device 6 is a hydraulic lifting device 6 with a self-sealing hydraulic joint, the hydraulic lifting device 6 is a hydraulic jack, the jack is inverted, the cylinder of the jack is connected with the fixed frame 41, the piston rod extends and retracts in the cylinder, when the piston rod extends out, the piston rod contacts with the ground, the four hydraulic lifting devices 6 are arranged on the left side and the right side of the axis of the engine 2 in pairs, and the lifting of the left side or the right side of the pre-loaded vehicle 4 is realized by extending two lifting devices 6 arranged on the left side of the axis of the engine 2 side by side or two lifting devices 6 arranged on the right side of the axis of the engine 2 side by side simultaneously according to requirements, of course, the lifting device 6 can also be other hydraulic lifting devices 6 such as an actuating cylinder, and the above mentioned are only preferred embodiments of the present invention and are not used for limiting the present invention, and various changes and variations can be, any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
In an embodiment of the present invention, preferably, as shown in fig. 7, the lifting mechanism further includes two hydraulic loaders 8 and two synchronizing devices 9, one end of each of the two hydraulic loaders 8 and the two synchronizing devices 9 is connected to the hydraulic loaders 8, and the other end of each of the two synchronizing devices 9 is connected to both of the two lifting devices 6 arranged side by side on the left side of the axis of the engine 2 or both of the two lifting devices 6 arranged side by side on the right side of the axis of the engine 2, so that the two lifting devices 6 arranged side by side on the left side of the axis of the engine 2 or both of the two lifting devices 6 arranged side by side on the right side of the axis of the.
In this embodiment, the number of the hydraulic loaders 8 and the number of the synchronizing devices 9 are two, one end of one synchronizing device 9 is connected with one hydraulic loader 8, the other end of the one synchronizing device is respectively connected with two lifting devices 6 arranged on the left side of the axis of the engine 2 side by side, one end of the other synchronizing device 9 is connected with the other hydraulic loader 8, the other end of the other synchronizing device is respectively connected with two lifting devices 6 arranged on the right side of the axis of the engine 2 side by side, the hydraulic loaders 8 on the left side or the right side are operated as required, the synchronizing device 9 controls the two lifting devices 6 arranged on the left side of the axis of the engine 2 side by side or the two lifting devices 6 arranged on the right side of the axis of the engine 2 side by side to.
In one embodiment of the present invention, the synchronizing device 9 is preferably a flow divider.
In one embodiment of the present invention, preferably, as shown in fig. 7, the hydraulic loader 8 is connected to an inlet of the flow dividing valve through a hose, and an outlet of the flow dividing valve is connected to the self-sealing hydraulic joints of the two hydraulic lifting devices 6 arranged side by side on the left side of the axis of the engine 2 or the self-sealing hydraulic joints of the two hydraulic lifting devices 6 arranged side by side on the right side of the axis of the engine 2 through a hose.
In this embodiment, the hydraulic loader 8 is a manual hydraulic pump, the hydraulic loader 8 is connected to an inlet of the flow dividing valve through a hose, and an outlet of the flow dividing valve is connected to self-sealing hydraulic joints of two hydraulic lifting devices 6 arranged side by side on the left side of the axis of the engine 2 or self-sealing hydraulic joints of two hydraulic lifting devices 6 arranged side by side on the right side of the axis of the engine 2 through hoses. When the oil-leakage-preventing hydraulic lifting device is not needed, the hose is detached, and the oil outlet of the hydraulic lifting device 6 is closed by the self-sealing joint, so that oil leakage is prevented.
In one embodiment of the present invention, preferably, as shown in fig. 5, the lifting mechanism further includes four L-shaped brackets 7, the lifting device 6 is disposed on the L-shaped brackets 7, and the L-shaped brackets 7 are connected to the fixed frame 41.
In this embodiment, the lifting device 6 is connected with the fixed frame 41 through an L-shaped bracket 7, the lifting device 6 may be provided with a flange, the lifting device 6 is connected with the L-shaped bracket 7 through the flange and screw fit, and the L-shaped bracket is fixed on the fixed bracket through screws.
In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In the present invention, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be used in any one or more embodiments or examples.
Claims (6)
1. A pre-truck with single-sided lift functionality comprising: fixed frame, portable frame, two main support points, Y type pull rod, a guide rail, adjusting hand wheel and four wheels, portable frame is located fixed frame, and be connected with fixed frame through the guide rail, adjusting hand wheel sets up on fixed frame, make portable frame remove about can on fixed frame, two main support points and Y type pull rod set up on portable support frame, be used for fixing the engine on the car in advance, the wheel is installed terminal surface under fixed frame, and terminal surface circumference sets up under the fixed frame along, a serial communication port, still include: the lifting mechanism comprises four lifting devices, the four lifting devices are positioned below the fixed frame and are arranged on the left side and the right side of the axis of the engine side by side, one end of each lifting device is connected with the fixed frame, and the other end of each lifting device is in contact with the ground, so that the left side or the right side of the pre-assembly vehicle can be lifted.
2. The pre-truck with unilateral lifting function according to claim 1, wherein the lifting device is a hydraulic lifting device with a self-sealing hydraulic joint, comprising: the piston rod extends and retracts in the cylinder body, and when the piston rod extends out, the piston rod is in contact with the ground.
3. The pre-loading vehicle with the unilateral lifting function according to claim 2, wherein the lifting mechanism further comprises two hydraulic loaders and two synchronizing devices, one end of each synchronizing device is connected with the hydraulic loaders, the other end of each synchronizing device is connected with the two lifting devices arranged on the left side of the engine axis side by side or the two lifting devices arranged on the right side of the engine axis side by side, and the two lifting devices arranged on the left side of the engine axis side by side or the two lifting devices arranged on the right side of the engine axis side by side are lifted synchronously.
4. The pre-truck with one-sided lifting function according to claim 3, characterized in that the synchronizing device is a diverter valve.
5. The pre-truck with the unilateral lifting function according to claim 4, wherein the hydraulic loader is connected with an inlet of a shunt valve through a hose, and an outlet of the shunt valve is respectively connected with self-sealing hydraulic joints of two hydraulic lifting devices which are arranged on the left side of the axis of the engine side by side or self-sealing hydraulic joints of two hydraulic lifting devices which are arranged on the right side of the axis of the engine side by side through a hose.
6. The pre-loading vehicle with the unilateral lifting function according to claim 2, wherein the lifting mechanism further comprises four L-shaped brackets, the lifting device is arranged on the L-shaped brackets, and the L-shaped brackets are connected with the fixed frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911153238.7A CN111003656A (en) | 2019-11-22 | 2019-11-22 | Pre-loading vehicle with unilateral lifting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911153238.7A CN111003656A (en) | 2019-11-22 | 2019-11-22 | Pre-loading vehicle with unilateral lifting function |
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| Publication Number | Publication Date |
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| CN111003656A true CN111003656A (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911153238.7A Pending CN111003656A (en) | 2019-11-22 | 2019-11-22 | Pre-loading vehicle with unilateral lifting function |
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Citations (7)
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|---|---|---|---|---|
| CN2328646Y (en) * | 1998-03-25 | 1999-07-14 | 烟台正车机械有限公司 | Inclined lift repairing platform |
| US20070096068A1 (en) * | 2005-10-11 | 2007-05-03 | Gerhard Finkbeiner | Method for detecting a configuration of a plurality of lifting devices in a lifting system |
| CN104849051A (en) * | 2014-12-19 | 2015-08-19 | 北汽福田汽车股份有限公司 | Engine docking test dolly for bench test and bench test system |
| CN205981700U (en) * | 2016-08-15 | 2017-02-22 | 无锡伟博汽车科技有限公司 | Fast -assembling dolly based on engine pedestal |
| CN206311340U (en) * | 2016-12-05 | 2017-07-07 | 上海汽车集团股份有限公司 | Engine quick-assembling stand dolly |
| CN108675212A (en) * | 2018-05-28 | 2018-10-19 | 合肥航机械科技股份有限公司 | A kind of electronic automobile-used unilateral adjustable type lifting device |
| CN208054826U (en) * | 2018-04-19 | 2018-11-06 | 鹤壁汽车工程职业学院 | A kind of tilting gearing of auto repair |
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2019
- 2019-11-22 CN CN201911153238.7A patent/CN111003656A/en active Pending
Patent Citations (7)
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|---|---|---|---|---|
| CN2328646Y (en) * | 1998-03-25 | 1999-07-14 | 烟台正车机械有限公司 | Inclined lift repairing platform |
| US20070096068A1 (en) * | 2005-10-11 | 2007-05-03 | Gerhard Finkbeiner | Method for detecting a configuration of a plurality of lifting devices in a lifting system |
| CN104849051A (en) * | 2014-12-19 | 2015-08-19 | 北汽福田汽车股份有限公司 | Engine docking test dolly for bench test and bench test system |
| CN205981700U (en) * | 2016-08-15 | 2017-02-22 | 无锡伟博汽车科技有限公司 | Fast -assembling dolly based on engine pedestal |
| CN206311340U (en) * | 2016-12-05 | 2017-07-07 | 上海汽车集团股份有限公司 | Engine quick-assembling stand dolly |
| CN208054826U (en) * | 2018-04-19 | 2018-11-06 | 鹤壁汽车工程职业学院 | A kind of tilting gearing of auto repair |
| CN108675212A (en) * | 2018-05-28 | 2018-10-19 | 合肥航机械科技股份有限公司 | A kind of electronic automobile-used unilateral adjustable type lifting device |
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Application publication date: 20200414 |