CN213429259U - Device for acquiring back curved surface of human body in sitting posture of pilot - Google Patents
Device for acquiring back curved surface of human body in sitting posture of pilot Download PDFInfo
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- CN213429259U CN213429259U CN202022673115.0U CN202022673115U CN213429259U CN 213429259 U CN213429259 U CN 213429259U CN 202022673115 U CN202022673115 U CN 202022673115U CN 213429259 U CN213429259 U CN 213429259U
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Abstract
The utility model discloses a device for acquiring human back curved surface of pilot's sitting posture, which comprises a chair basin, a shoulder board, a head board, a pedal and a bracket, wherein the upper end of the chair basin is provided with a seat surface; the bracket is arranged at the rear of the chair basin. The back scanning device has the advantages that the back scanning data of the pilot in various sitting postures can be realized, the posture of the pilot during driving can be truly reflected, the curved surface of the back can be accurately scanned, the data has pertinence to the design of a research backrest, and the structure is simple.
Description
Technical Field
The utility model relates to a launch lifesaving man-machine work efficiency technical field, concretely relates to a device for acquireing human back curved surface of pilot's position of sitting.
Background
At present, there are several known methods for studying the curved surface of the back of a human body. First, the shape of the human body is smoothed according to the military standard data, such as the basic size of GJB 4856-2003. The second one uses the national military standard basic data, together with other commercial software, to form muscles for processing. The third was processed using a skeletal muscle dynamics model of commercial software. The shapes obtained by the methods are characterized by being thicker, and all parts need to be manually modified. The database of the software is still foreign, so that the characteristics of pilots in China are difficult to effectively reflect.
Even if the back curved surface of the human body is obtained by a three-dimensional scanning method, the state of the sitting posture and the standing position is often researched. It is not enough for the sitting posture of ejection lifesaving. Because the sitting posture not only includes the sitting posture standing upright and keeping the designed eye position, but also includes the sitting posture relaxed during cruising and the sitting posture leaning against the backrest. The attitude of a particular ejector seat is distinguishable from conventional seats.
Disclosure of Invention
The to-be-solved technical problem of the utility model is, to the above-mentioned defect that prior art exists, provide a device for obtaining the human back curved surface of pilot's position of sitting, realize carrying out the data that scans to the back of the various positions of sitting of pilot, can truly reflect the gesture of pilot when driving, accurately scan the curved surface at back, data have more to have corresponding, simple structure to the design of studying the back.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be:
a device for acquiring back curved surfaces of human bodies of pilots in sitting postures comprises a seat basin, a shoulder rest plate, a head rest plate, pedals and a support, wherein a seat surface is arranged at the upper end of the seat basin; the bracket is arranged at the rear of the chair basin.
According to the technical scheme, a space is reserved between the lower end of the shoulder rest plate and the seat surface, a three-dimensional scanner is arranged behind the space, and the three-dimensional scanner is fixedly arranged on the support; enough scanning space is left on the bracket.
According to the technical scheme, the seat surface comprises a plane type seat surface and a folded surface type seat surface, and the seat surface is replaced according to the type of the installation machine.
According to the technical scheme, a guide rail is arranged between the chair basin and the pedals, the pedals are arranged on the guide rail, and the pedals move back and forth along the guide rail for adjustment; the relative positions of pedals, a seat basin and a seat surface are changed according to the specific conditions of different models so as to obtain a part of sitting postures suitable for driving and ejection and ensure the correctness of the postures of legs.
According to the technical scheme, the headrest plate is connected with the shoulder plate through the first quick-release pin, a plurality of first mounting pin holes are arranged on the shoulder plate along the length direction at intervals, the first mounting pin holes are inserted into different first mounting pin holes through the first quick-release pin, the height of the head plate is adjusted, the shoulder plate is connected with the support through the second quick-release pin, the support is provided with a plurality of second mounting pin holes along the length direction at intervals of the shoulder plate, the second quick-release pin is inserted into different second mounting pin holes, and the height and the angle of the shoulder plate are adjusted.
According to the technical scheme, the second mounting pin holes are distributed in multiple rows on straight lines at different angles, and the second quick-release pins are inserted into the second mounting pin holes in the different straight lines to realize angle adjustment of the shoulder plate.
According to the technical scheme, the angles between the shoulder rest plate and the vertical direction are 17 degrees and 22 degrees respectively, and the angles are selectively adjusted between the two angles.
The utility model discloses following beneficial effect has:
the device realizes the adjustment of various sitting postures of the pilot, realizes the data for scanning the back of the pilot in various sitting postures, can truly reflect the posture of the pilot during driving, accurately scans the curved surface of the back, and has pertinence to the design of a research backrest, simple structure and innovation.
Drawings
FIG. 1 is a schematic structural diagram of an apparatus for obtaining a back curved surface of a human body in a sitting posture of a pilot according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a head and shoulder rest plate according to an embodiment of the present invention;
in the figure, 1-foot peg; 2-chair basin; 3-a scaffold; 4-seat surface; 5-a shoulder rest plate; 6-head backing plate; 7-a first quick release pin; 8-second quick release pin.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Referring to fig. 1 to 2, the device for acquiring the back curved surface of the human body of the pilot in one embodiment provided by the present invention comprises a seat pan, a shoulder rest, a head rest, pedals and a support, wherein the upper end of the seat pan is provided with a seat surface, the pedals are arranged in front of the seat pan, the shoulder rest is arranged behind the seat pan, the headrest is arranged at the upper end of the shoulder rest, and the shoulder rest is fixedly arranged on the support; the bracket is arranged at the rear of the chair basin.
Furthermore, a space is reserved between the lower end of the shoulder plate and the seat surface, a three-dimensional scanner is arranged behind the space, and the three-dimensional scanner is fixedly arranged on the support; enough scanning space is left on the bracket.
Further, the seating surface includes a flat type seating surface and a folded type seating surface, and the seating surface 4 is replaced according to the model of the machine.
Furthermore, a guide rail is arranged between the chair basin and the pedals, the pedals are arranged on the guide rail, and the pedals move back and forth along the guide rail for adjustment; the relative positions of the pedals 1, the seat basin 2 and the seat surface 4 are changed according to the specific conditions of different models, so that a part of sitting postures suitable for driving and ejection is obtained, and the correctness of the postures of the legs is ensured.
Further, the headrest board is connected with the shoulder board through first quick-release pin, have a plurality of first installation pinhole along length direction interval arrangement on the shoulder board, through inserting first quick-release pin in the different first installation pinhole, adjust the height of head board, the shoulder board passes through second quick-release pin and leg joint, the support has a plurality of second installation pinholes along shoulder board length direction interval arrangement, through inserting second quick-release pin in the different second installation pinhole, adjust the height and the angle of shoulder board.
Furthermore, the second mounting pin holes are distributed in multiple rows on straight lines at different angles, and the second quick-release pins are inserted into the second mounting pin holes in the different straight lines to realize angle adjustment of the shoulder plate.
Further, in order to adapt to people with different sitting heights, the height of the headrest can be adjusted through the first quick-release pins 7, the shoulder plate 5 can be detached from the bracket 3 after the posture is determined, the second quick-release pins 8 are used for facilitating quick detachment of the shoulder plate 5, and then the scanner is used for scanning the back curved surface of a specific posture.
Further, the angles of the shoulder rest plate and the vertical direction are respectively 17 degrees and 22 degrees, and the angle can be selectively adjusted between the two angles.
The device is designed based on the main structure of the ejection seat, and the angle of the shoulder rest plate 5 is consistent with the angle of a back tangent line based on two types of installation angles of 17 degrees and 22 degrees at present. The headrest plate 6 is consistent with the headrest in active service and research and development at present and can be installed in a replaceable way.
The utility model discloses a theory of operation: the pilot is required to have a special ejection seat and foot pedal to study the special attitude when the pilot is riding the airplane. Special devices are required, including the seat pan portion of the seat (including the life-saving capsule cover and seat cushion), the backrest of the ejection seat, and the headrest portion, to ensure the back cut plane and the helmet support plane, and to ensure that the back can be exposed after the posture of the back is determined in order to enable scanning by a scanner. In order to ensure the posture of the legs, pedals are designed, and the relative positions of the pedals are arranged according to the position of an airplane cabin.
The technical scheme adopted by the invention for solving the technical problems is as follows: special devices are required, including the seat pan part of the seat (including the life-saving box cover and the seat cushion), the backrest of the ejection seat, and the headrest part (the designer has a placement position according to actual conditions) to ensure the back tangent plane and the helmet support surface, and in order to scan with a scanner, the back posture is ensured to be determined, and then the back can be exposed. In order to ensure the posture of the legs, pedals are designed, and the relative positions of the pedals are arranged according to the position of an airplane cabin.
The device mainly comprises a pedal 1, a chair basin 2, a bracket 3, a seat surface 4, a shoulder plate 5, a headrest plate 6, a first quick-release pin 7, a second quick-release pin 8 and the like. As shown in fig. 2, the headrest plate 6 is connected with the bracket 3 through first quick-release pins 7 at two sides, and a plurality of round holes are formed at two sides of the headrest 6, so that the up-down position of the headrest can be conveniently adjusted, and the headrest can be adjusted for people with different sitting heights; the shoulder plate 5 is connected with the bracket 3 through a second quick-release pin 8, so that the shoulder plate 5 can be quickly detached.
The relative position of the foot pedal 1 is set according to the position of an airplane cabin, and the positions of the seat surface 4, the shoulder plate 5 and the headrest plate 6 are set according to the seat design position.
The tester can use the pedals 1, the chair basin 2, the seat surface 4 and the cushion to cooperate with the scanner to carry out the back curved surface with upright sitting posture and loose sitting posture waist.
The tester can test the back curved surface in the ejection position or the state of leaning against the backrest by using the full state. The positions of the seat surface 4, the shoulder rest plate 5 and the headrest plate 6 are arranged according to the seat sample position. The tester sits on the seat surface 4 and the cushion with the helmet, the helmet leans against the headrest, and the back is stretched. The height of the headrest can be adjusted through the first quick-release pin 7, the shoulder plate 5 and the support 3 can be detached after the posture is determined, the shoulder plate 5 can be conveniently and quickly detached through the second quick-release pin 8, and then the scanner is used for scanning the back curved surface in a specific posture.
The device has the advantages that the device can be selectively adjusted according to the specific installation angle of the seat, the type of the headrest and different types of the lifesaving box cover, and the back comfort of all ejection seats in China can be researched.
The above is only a preferred embodiment of the present invention, and the scope of the right of the present invention should not be limited by this, so that the equivalent changes made in the claims of the present invention still belong to the protection scope of the present invention.
Claims (6)
1. The device for obtaining the back curved surface of the human body in the sitting posture of a pilot is characterized by comprising a seat basin, a shoulder plate, a head plate, a pedal and a support, wherein a seat surface is arranged at the upper end of the seat basin, the pedal is arranged in front of the seat basin, the shoulder plate is arranged behind the seat basin, a headrest plate is arranged at the upper end of the shoulder plate, and the shoulder plate is fixedly arranged on the support.
2. The device for acquiring the back curve of a human body when a pilot sits according to claim 1, wherein a space is reserved between the lower end of the shoulder rest plate and the seat surface, a three-dimensional scanner is arranged behind the space, and the three-dimensional scanner is fixedly arranged on the bracket.
3. The apparatus for obtaining the back curvature of a human pilot seated in claim 1, wherein the seating surface comprises a flat type seating surface and a folded type seating surface, and the seating surface is changed according to the type of the aircraft.
4. The device for acquiring the back curved surface of the human body in the sitting posture of a pilot as claimed in claim 1, wherein a guide rail is arranged between the seat pan and the pedals, the pedals are arranged on the guide rail, and the pedals move back and forth along the guide rail for adjustment.
5. The device for obtaining the back curved surface of a human body in a sitting posture of a pilot as claimed in claim 1, wherein the headrest plate is connected with the shoulder plate through a first quick-release pin, a plurality of first mounting pin holes are formed in the shoulder plate at intervals along the length direction, the height of the head plate is adjusted by inserting the first quick-release pin into different first mounting pin holes, the shoulder plate is connected with the support through a second quick-release pin, a plurality of second mounting pin holes are formed in the support at intervals along the length direction of the shoulder plate, and the height and the angle of the shoulder plate are adjusted by inserting the second quick-release pin into different second mounting pin holes.
6. The device for acquiring the back curvature of a human body in a sitting posture of a pilot as claimed in claim 5, wherein the angles of the shoulder rest plates with the vertical direction are respectively 17 degrees and 22 degrees, and the adjustment is selected between the two angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022673115.0U CN213429259U (en) | 2020-11-18 | 2020-11-18 | Device for acquiring back curved surface of human body in sitting posture of pilot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022673115.0U CN213429259U (en) | 2020-11-18 | 2020-11-18 | Device for acquiring back curved surface of human body in sitting posture of pilot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213429259U true CN213429259U (en) | 2021-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022673115.0U Active CN213429259U (en) | 2020-11-18 | 2020-11-18 | Device for acquiring back curved surface of human body in sitting posture of pilot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213429259U (en) |
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2020
- 2020-11-18 CN CN202022673115.0U patent/CN213429259U/en active Active
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