A comfort space measuring device and method for a working machine
By using a telescopic shaft and an adjustable backrest frame in construction machinery, the problem of rapid measurement of the comfort space in the cab of construction machinery was solved, and the human-machine hard point parameters were quickly verified to ensure that the design meets comfort requirements.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- 엑스씨엠지 컨스트럭션 머쉬너리 코퍼레이션 리미티드 엘티디 빌딩 머쉬너리 코퍼레이션
- Filing Date
- 2022-11-25
- Publication Date
- 2026-04-17
AI Technical Summary
Existing technologies make it difficult to quickly and accurately locate the human comfort operating space, leisure space, and operating foot pedal position in the cab of construction machinery, making it difficult to verify the difference between the design and the actual product, thus affecting the satisfaction of comfort requirements.
A measuring device comprising a first telescopic shaft, a second telescopic shaft, and a third telescopic shaft is used. By adjusting the angle and distance of the connecting plate and combining it with an adjustable backrest frame, the device enables rapid measurement of the cab space and verification of human-machine hard point parameters.
It enables rapid and accurate measurement of cab space layout and human-machine interface hardpoint parameters, ensuring that the design meets comfort requirements and simplifying the actual vehicle verification process for construction machinery.
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Figure CN115808109B_ABST
Abstract
Description
Technical Field
[0001] This invention belongs to the field of measurement technology, specifically relating to a device and method for measuring the comfort space of engineering machinery. Background Technology
[0002] After the cab space design of the construction machinery is completed, during the actual vehicle verification process, it is necessary to quickly locate the comfortable operating space, leisure space, operating foot pedal position, and width space for the human body, and verify the difference between the theoretical design and the actual object, so as to determine whether the design meets the comfort requirements. Since meeting human comfort is a comprehensive result of the above-mentioned factors, such as the change of pedal position will inevitably lead to a change in the effective leg space, that is, after verifying a single comfort factor, if it needs to be changed, it will bring about changes in other related dimensions. Therefore, accurately and quickly calculating and verifying the related dimensions becomes an urgent problem to be solved. Summary of the Invention
[0003] The purpose of this invention is to provide a comfort space measurement device for engineering machinery, which can achieve comfortable working human body size values by adjusting the size and angle, and can quickly realize the verification of cab space layout and human-machine hard point parameters.
[0004] To achieve the above objectives, the technical solution adopted by the present invention is as follows:
[0005] On one hand, embodiments of the present invention provide a comfort space measuring device for engineering machinery, including a first telescopic shaft, a second telescopic shaft, and a third telescopic shaft; the first telescopic shaft and the second telescopic shaft are connected by two parallel first connecting plates; the second telescopic shaft and the third telescopic shaft are connected by two parallel second connecting plates.
[0006] The first connecting plate is rotatably connected to both ends of the first telescopic shaft; the first telescopic shaft is provided with a first fastener to fix the first connecting plate;
[0007] The first connecting plate and the second connecting plate are provided with a waist-shaped hole A; the second telescopic shaft is provided with a second fastener for fixing the first connecting plate and the second connecting plate; the second fastener passes through the waist-shaped hole A of the first connecting plate and the waist-shaped hole A of the second connecting plate and is threaded to the second telescopic shaft.
[0008] The two second connecting plates are rotatably connected to both ends of the third telescopic shaft, and the adjustable backrest frame is rotatably connected to both ends of the third telescopic shaft; the third telescopic shaft is provided with a third fastener for fixing the second connecting plates and the adjustable backrest frame.
[0009] Furthermore, a first adjusting rod is rotatably connected to both ends of the first telescopic shaft; a second adjusting rod is rotatably connected to both ends of the third telescopic shaft; the first adjusting rod is provided with a waist-shaped hole B; the first fixing bolt passes through the waist-shaped hole B of the first adjusting rod and is connected to the second adjusting rod.
[0010] Furthermore, a first adjusting rod is rotatably connected to both ends of the first telescopic shaft; a second adjusting rod is rotatably connected to both ends of the third telescopic shaft; the second adjusting rod is provided with a waist-shaped hole C; the first fixing bolt passes through the waist-shaped hole B of the first adjusting rod and the waist-shaped hole C of the second adjusting rod and is then connected to a nut.
[0011] Furthermore, the first telescopic shaft, the second telescopic shaft, and the third telescopic shaft each include two connecting pipes and a connecting shaft; the two connecting pipes are respectively sleeved on both ends of the connecting shaft; and the connecting pipes are provided with locking screws for fixing the connecting shaft.
[0012] Furthermore, the adjustable backrest frame includes: a first L-shaped connecting plate and a second L-shaped connecting plate; the first L-shaped connecting plate has a plurality of first adjustment holes distributed along the axial direction of the third telescopic shaft; a second fixing bolt passes through the first adjustment holes of the first L-shaped connecting plate and is threadedly connected to the second L-shaped connecting plate; the first L-shaped connecting plate and the second L-shaped connecting plate form a C-shaped adjustable backrest frame; the first L-shaped connecting plate and the second L-shaped connecting plate are respectively connected to both ends of the third telescopic shaft.
[0013] Furthermore, the first L-shaped connecting plate and the second L-shaped connecting plate are provided with a second adjustment hole, which is set as an oblong hole or a waist-shaped hole; the third fastener passes through the second connecting plate, the second adjusting rod, and the second adjustment hole of the first L-shaped connecting plate or the second adjustment hole of the second L-shaped connecting plate, and is then threaded to the connecting pipe of the third telescopic shaft.
[0014] Furthermore, foot adjustment plates are provided at both ends of the first telescopic shaft; after the first fastener passes through the first adjustment rod, the first connecting plate and the foot adjustment plate, it is threaded to the connecting pipe of the first telescopic shaft.
[0015] Furthermore, the first fastener, the second fastener, and the third fastener are configured as bolts or screws.
[0016] On the other hand, embodiments of the present invention provide a method for measuring the comfort space of engineering machinery, the method comprising the following steps:
[0017] Place the comfort space measuring device for the construction machinery at the installation location of the seat;
[0018] Rotate the first connecting plate and the second connecting plate to adjust the included angle between the first connecting plate and the second connecting plate;
[0019] Move the second telescopic shaft along the waist-shaped hole A on the first and second connecting plates to adjust the distance between the first and second telescopic shafts and between the second and third telescopic shafts;
[0020] Extend and retract the first, second, and third telescopic shafts to adjust the distance between the two first connecting plates and the two second connecting plates;
[0021] Rotate the second fastener to fix the connection between the second telescopic shaft and the first connecting plate, and between the second telescopic shaft and the second connecting plate;
[0022] Adjust the tilt angle of the adjustable backrest frame; rotate the third fastener to fix the connection between the third telescopic shaft and the second connecting plate, the third telescopic shaft and the adjustable backrest frame; measure the dimensions of the engineering machinery comfort space measuring device to determine the design dimensions of the seat.
[0023] Compared with the prior art, the beneficial effects achieved by the present invention are:
[0024] In this invention, the first connecting plate and the second connecting plate are provided with waist-shaped holes; the second telescopic shaft is provided with a second fastener for fixing the first connecting plate and the second connecting plate; the second fastener passes through the waist-shaped holes of the first connecting plate and the second connecting plate and is threaded to the second telescopic shaft; through the waist-shaped holes on the first connecting plate and the second connecting plate, not only the angle between the first connecting plate and the second connecting plate can be adjusted, but also the distance between the first telescopic shaft and the second telescopic shaft can be adjusted; by adjusting the size and angle, a comfortable working human body size value can be achieved, enabling rapid verification of the cab space layout and human-machine hard point parameters. Attached Figure Description
[0025] Figure 1 This is an isometric drawing of a comfort space measuring device for engineering machinery provided in an embodiment of the present invention;
[0026] Figure 2 This is a side view of a comfort space measuring device for engineering machinery provided in an embodiment of the present invention;
[0027] In the diagram: 1-First telescopic shaft; 2-First fastener; 3-Foot adjustment plate; 4-Second telescopic shaft; 5-Second fastener; 6-Third telescopic shaft; 7-Third fastener; 8-First connecting plate; 9-Second connecting plate; 10-Locking screw; 11-First adjusting rod; 12-First fixing bolt; 13-Second adjusting rod; 14-Adjustable backrest frame; 15-First L-shaped connecting plate; 16-Second L-shaped connecting plate; 17-Second fixing bolt; 18-First adjusting hole; 19-Second adjusting hole; 20-Oval hole A; 21-Connecting pipe; 22-Connecting shaft. Detailed Implementation
[0028] The present invention will be further described below with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and should not be used to limit the scope of protection of the present invention.
[0029] It should be noted that in the description of this invention, the terms "front," "rear," "left," "right," "upper," "lower," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are used only for the convenience of describing the invention and do not require the invention to be constructed and operated in a specific orientation; therefore, they should not be construed as limitations on the invention. The terms "front," "rear," "left," "right," "upper," and "lower" used in the description of this invention refer to the directions shown in the accompanying drawings, while the terms "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.
[0030] Example 1
[0031] like Figures 1 to 2 As shown, this embodiment of the invention provides a comfort space measuring device for engineering machinery, including a first telescopic shaft 1, a second telescopic shaft 4, and a third telescopic shaft 6; the first telescopic shaft 1 and the second telescopic shaft 4 are connected by two parallel first connecting plates 8; the second telescopic shaft 4 and the third telescopic shaft 6 are connected by two parallel second connecting plates 9.
[0032] The first telescopic shaft 1, the second telescopic shaft 4, and the third telescopic shaft 6 each include two connecting pipes 21 and a connecting shaft 22. The two connecting pipes 21 are respectively sleeved on both ends of the connecting shaft 22. The connecting pipes 21 are provided with locking screws 6 to fix the connecting shaft 22. The total length of the telescopic shaft can be changed by sliding the connecting pipes 21.
[0033] The two first connecting plates 8 are rotatably connected to the two ends of the first telescopic shaft 1, respectively; the first connecting plate 8 and the second connecting plate 9 are provided with a waist-shaped hole A20; the second telescopic shaft 4 is provided with a second fastener 5 for fixing the first connecting plate 8 and the second connecting plate 9; the second fastener 5 passes through the waist-shaped hole A20 of the first connecting plate 8 and the waist-shaped hole A20 of the second connecting plate 9, and is threadedly connected to the connecting pipe of the second telescopic shaft 4; through the waist-shaped hole A20 on the first connecting plate 8 and the second connecting plate 9, not only can the angle between the first connecting plate 8 and the second connecting plate 9 be adjusted, but also the distance between the first telescopic shaft 1 and the second telescopic shaft 4, and between the second telescopic shaft 4 and the third telescopic shaft 6 can be adjusted.
[0034] The two second connecting plates 9 are rotatably connected to the two ends of the third telescopic shaft 6, and the adjustable backrest frame 14 is rotatably connected to the two ends of the third telescopic shaft 6; the third telescopic shaft 6 is provided with a third fastener 7 for fixing the second connecting plates 9 and the adjustable backrest frame 14; the first fastener 2, the second fastener 5 and the third fastener 7 are bolts or screws.
[0035] The first telescopic shaft 1 is rotatably connected to two ends of a first adjusting rod 11; the third telescopic shaft 6 is rotatably connected to two ends of a second adjusting rod 13; the first adjusting rod 11 and the second adjusting rod 13 are arranged in a one-to-one correspondence, the first adjusting rod 11 is provided with a waist-shaped hole B, and the second adjusting rod 13 is provided with a waist-shaped hole C; the first fixing bolt 12 passes through the waist-shaped hole B of the first adjusting rod 11 and the waist-shaped hole C of the second adjusting rod 13 and is connected to a nut; the first telescopic shaft 1 is provided with foot adjusting plates 3 at both ends; the first fastener 2 passes through the first adjusting rod 11, the first connecting plate 8 and the foot adjusting plate 3 and is threaded to the connecting pipe 21 of the first telescopic shaft 1.
[0036] The adjustable backrest frame 14 includes a first L-shaped connecting plate 15 and a second L-shaped connecting plate 16; the first L-shaped connecting plate 15 has a plurality of first adjustment holes 18 distributed along the axial direction of the third telescopic shaft 6; the second fixing bolt 17 passes through the first adjustment holes 18 of the first L-shaped connecting plate 15 and is threadedly connected to the second L-shaped connecting plate 16; the first L-shaped connecting plate 15 and the second L-shaped connecting plate 16 form a C-shaped adjustable backrest frame 14.
[0037] The first L-shaped connecting plate 15 and the second L-shaped connecting plate 16 are respectively connected to both ends of the third telescopic shaft 6; the first L-shaped connecting plate 15 and the second L-shaped connecting plate 16 are provided with second adjustment holes 19, which are set as waist-shaped holes or oblong holes; the third fastener 7 passes through the second connecting plate 9, the second adjusting rod 13 and the second adjustment hole 19 on the first L-shaped connecting plate 15 or the second adjustment hole 19 on the second L-shaped connecting plate 16, and is threaded to the connecting pipe 21 of the third telescopic shaft 6. The height and angle of the adjustable backrest frame 14 are changed through the second adjustment hole 19. By adjusting the size and angle, the human body size value for comfortable operation can be achieved, and the cab space layout and human-machine hard point parameters can be quickly verified.
[0038] Example 2
[0039] A comfort space measuring device for engineering machinery, the difference between this embodiment and embodiment one is that: the first telescopic shaft 1 is rotatably connected to both ends of the first adjusting rod 11; the third telescopic shaft 6 is rotatably connected to both ends of the second adjusting rod 13; the first adjusting rod 11 and the second adjusting rod 13 are arranged in a one-to-one correspondence, the first adjusting rod 11 is provided with a waist-shaped hole A20; the first fixing bolt 12 passes through the waist-shaped hole A20 of the first adjusting rod 11 and is connected to the second adjusting rod 13.
[0040] Example 3
[0041] On the other hand, embodiments of the present invention provide a method for measuring the comfort space of engineering machinery. The measurement method is implemented by the measuring device in Embodiment 1 or Embodiment 2, and the method includes the following steps:
[0042] Place the comfort space measuring device for the construction machinery at the installation location of the seat;
[0043] Rotate the first connecting plate 8 and the second connecting plate 9 to adjust the included angle between the first connecting plate 8 and the second connecting plate 9;
[0044] Move the second telescopic shaft 4 along the waist-shaped hole A20 on the first connecting plate 8 and the second connecting plate 9 to adjust the distance between the first telescopic shaft 1 and the second telescopic shaft 4, and between the second telescopic shaft 4 and the third telescopic shaft 6;
[0045] Telescopically extend the first telescopic shaft 1, the second telescopic shaft 4, and the third telescopic shaft 6 to adjust the distance between the two first connecting plates 8 and the two second connecting plates 9;
[0046] Rotate the second fastener 5 to fix the connection between the second telescopic shaft 4 and the first connecting plate 8, and between the second telescopic shaft 4 and the second connecting plate 9;
[0047] Adjust the tilt angle of the adjustable backrest frame 14; rotate the third fastener 7 to fix the connection between the third telescopic shaft 6 and the second connecting plate 9, the third telescopic shaft 6 and the adjustable backrest frame 14; measure the dimensions of the engineering machinery comfort space measuring device to determine the design dimensions of the seat.
[0048] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.
Claims
1. A device for measuring the comfort space of engineering machinery, characterized in that, It includes a first telescopic shaft (1), a second telescopic shaft (4), and a third telescopic shaft (6); the first telescopic shaft (1) and the second telescopic shaft (4) are connected by two parallel first connecting plates (8); the second telescopic shaft (4) and the third telescopic shaft (6) are connected by two parallel second connecting plates (9); The two first connecting plates (8) are rotatably connected to the two ends of the first telescopic shaft (1); the first telescopic shaft (1) is provided with a first fastener (2) for fixing the first connecting plate (8); The first connecting plate (8) and the second connecting plate (9) are provided with a waist-shaped hole A (20); the second telescopic shaft (4) is provided with a second fastener (5) for fixing the first connecting plate (8) and the second connecting plate (9); the second fastener (5) passes through the waist-shaped hole A (20) of the first connecting plate (8) and the waist-shaped hole A (20) of the second connecting plate (9) and is threaded to the second telescopic shaft (4). The two second connecting plates (9) are rotatably connected to the two ends of the third telescopic shaft (6), and the adjustable backrest frame (14) is rotatably connected to the two ends of the third telescopic shaft (6); the third telescopic shaft (6) is provided with a third fastener (7) for fixing the second connecting plates (9) and the adjustable backrest frame (14). Rotate the first connecting plate (8) and the second connecting plate (9) to adjust the included angle between the first connecting plate (8) and the second connecting plate (9); Move the second telescopic shaft (4) along the waist-shaped hole A on the first connecting plate (8) and the second connecting plate (9) to adjust the distance between the first telescopic shaft (1) and the second telescopic shaft (4), and between the second telescopic shaft (4) and the third telescopic shaft (6); Extend and retract the first telescopic shaft (1), the second telescopic shaft (4), and the third telescopic shaft (6) to adjust the distance between the two first connecting plates (8) and between the two second connecting plates (9); Rotate the second fastener (5) to fix the connection between the second telescopic shaft (4) and the first connecting plate (8), and between the second telescopic shaft (4) and the second connecting plate (9); Adjust the tilt angle of the adjustable backrest frame (14); rotate the third fastener (7) to fix the connection between the third telescopic shaft (6) and the second connecting plate (9), the third telescopic shaft (6) and the adjustable backrest frame (14); measure the dimensions of the engineering machinery comfort space measuring device to determine the design dimensions of the seat.
2. The engineering machinery comfort space measuring device according to claim 1, characterized in that, The first telescopic shaft (1) is rotatably connected to the two ends of the first adjusting rod (11); the third telescopic shaft (6) is rotatably connected to the two ends of the second adjusting rod (13); the first adjusting rod (11) is provided with a waist-shaped hole B; the first fixing bolt (12) passes through the waist-shaped hole B of the first adjusting rod (11) and is connected to the second adjusting rod (13).
3. The engineering machinery comfort space measuring device according to claim 1, characterized in that, The first telescopic shaft (1) is rotatably connected to the two ends of the first adjusting rod (11); the third telescopic shaft (6) is rotatably connected to the two ends of the second adjusting rod (13); the second adjusting rod (13) is provided with a waist-shaped hole C; the first fixing bolt (12) passes through the waist-shaped hole B (21) of the first adjusting rod (11) and the waist-shaped hole C of the second adjusting rod (13) and is then connected to the nut.
4. The engineering machinery comfort space measuring device according to claim 1, characterized in that, The first telescopic shaft (1), the second telescopic shaft (4) and the third telescopic shaft (6) include two connecting pipes (21) and a connecting shaft (22); the two connecting pipes (21) are respectively sleeved on both ends of the connecting shaft (22); the connecting pipes (21) are provided with locking screws (6) to fix the connecting shaft (22).
5. The engineering machinery comfort space measuring device according to claim 4, characterized in that, The adjustable backrest frame (14) includes: a first L-shaped connecting plate (15) and a second L-shaped connecting plate (16); the first L-shaped connecting plate (15) has a plurality of first adjustment holes (18) distributed on it, the first adjustment holes (18) being distributed along the axial direction of the third telescopic shaft (6); the second fixing bolt (17) passes through the first adjustment holes (18) of the first L-shaped connecting plate (15) and is threadedly connected to the second L-shaped connecting plate (16); the first L-shaped connecting plate (15) and the second L-shaped connecting plate (16) form a C-shaped adjustable backrest frame (14); the first L-shaped connecting plate (15) and the second L-shaped connecting plate (16) are respectively connected to both ends of the third telescopic shaft (6).
6. The engineering machinery comfort space measuring device according to claim 5, characterized in that, The first L-shaped connecting plate (15) and the second L-shaped connecting plate (16) are provided with a second adjustment hole (19), which is set as a waist-shaped hole or an oblong hole; the third fastener (7) passes through the second connecting plate (9), the second adjusting rod (13) and the first adjustment hole (18) of the first L-shaped connecting plate (15) or the second adjustment hole (19) of the second L-shaped connecting plate (16), and is then threaded to the connecting pipe (21) of the third telescopic shaft (6).
7. The engineering machinery comfort space measuring device according to claim 4, characterized in that, The first telescopic shaft (1) has foot adjustment plates (3) at both ends; the first fastener (2) passes through the first adjustment rod (11), the first connecting plate (8) and the foot adjustment plate (3) and is threaded to the connecting pipe (21) of the first telescopic shaft (1).
8. The engineering machinery comfort space measuring device according to claim 1, characterized in that, The first fastener (2), the second fastener (5) and the third fastener (7) are configured as bolts or screws.
Citation Information
Patent Citations
Loader cab layout method based on ergonomics and cab
CN112900539A
Man-machine verification rack for driver shank space
CN209387296U