Elbow joint torque measuring device

Abstract

The invention provides an elbow joint torque measuring device which comprises a box body, the upper end of a first rotating column is fixedly connected with a first force measuring scale plate, and the upper end of a second rotating column is fixedly connected with a second force measuring scale plate. One side of the first force measuring scale plate and one side of the second force measuring scale plate are fixedly connected with a first force measuring rotating arc plate and a second force measuring rotating arc plate respectively, and the lower end of the force measuring spring is fixedly connected with a first spring dynamometer and a second spring dynamometer respectively. Four supporting inclined plate frames are fixedly connected to the lower end of a cross, rubber pads are fixedly connected to the lower ends of the supporting inclined plate frames, and therefore in the force measuring process of the device, the lower end of the device is stable and not prone to shaking at will, a second force measuring scale plate is fixedly connected to the upper end of a second rotating column, and a stress plate is fixedly connected to one side of the second force measuring scale plate. Third buffer cotton is fixedly connected to one side of the stress plate, arm bending force measurement is conducted on the upper ends of the first fixing base and the second fixing base in the forward direction and the reverse direction correspondingly, and force measurement can be conducted on elbow joints of different sizes in the force measurement process.

Description

Technical Field

[0001] The invention relates to the technical field of elbow joint torque measurement, in particular to an elbow joint torque measurement device. Background Art

[0002] The elbow joint is composed of the distal end of the humerus and the proximal articular surface of the radius and ulna. Structurally, it includes three joints, which are collectively enclosed in a joint capsule. Torque represents the physical quantity of the rotational effect produced when a force acts on an object. The product of force and lever arm is called the torque of the force on the axis of rotation. Mechanized evaluation equipment is required. The measuring equipment for torque is a mechanized equipment for single-degree-of-freedom rotational motion with torque measurement function, so a device for measuring elbow joint torque is required.

[0003] When the elbow joint torque measuring device is used, it is easy to shake the device during the elbow joint torque measurement in the prior art, so that the stability during the measurement process cannot meet expectations. During the measurement, the prior art generally measures the force by bending the arm in the opposite direction, but bending the arm in one direction makes the measurement uniformity cannot meet expectations, and during the measurement, the elbow joint is clamped at a uniform size, which makes it have great limitations. Summary of the invention

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies of the prior art, the present invention provides an elbow joint torque measuring device, which solves the problem of stability of the entire device during the measurement process and solves the problem that the arm can only be bent in one direction during measurement.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: an elbow joint torque measuring device, comprising a box body, a base is fixedly connected to the lower end of the box body, a first damping spring is fixedly connected to the lower end of the base, a support column is fixedly connected to the lower end of the first damping spring, a cross is fixedly connected to the lower end of the support column, a support frame is fixedly connected to the lower end of the cross, a connecting piece is fixedly connected to the lower end of the support frame, a first fixed seat and a second fixed seat are slidably connected to the inside of the box body, a first rotating column is arranged inside the first fixed seat, a second rotating column is arranged inside the second fixed seat, and the first A first force measuring scale plate is fixedly connected to the upper end of a rotating column, a second force measuring scale plate is fixedly connected to the upper end of the second rotating column, two first compression arc pads and a second compression arc pad are respectively arranged on one side of the first force measuring scale plate, a force plate is fixedly connected to one side of the second force measuring scale plate, a first force measuring rotating arc plate and a second force measuring rotating arc plate are respectively fixedly connected to one side of the first force measuring rotating arc plate and the second force measuring rotating arc plate, two force measuring springs are symmetrically fixedly connected to the lower ends of the force measuring springs, and a first spring dynamometer and a second spring dynamometer are respectively fixedly connected to the lower ends of the force measuring springs.

[0008] Preferably, two inclined plate columns are symmetrically fixedly connected on both sides of the support frame, the lower end of the connecting member is fixedly connected to the first support plate, the lower end of the first support plate is evenly fixedly connected to four second damping springs, and the lower end of the second damping spring is fixedly connected to the second support plate.

[0009] Preferably, four supporting inclined plate frames are evenly and fixedly connected to the lower end of the cross, and a rubber pad is fixedly connected to the lower end of the supporting inclined plate frame.

[0010] Preferably, a placement plate is provided at the lower end of the first compression arc pad, one side of the placement plate is fixedly connected to the first force measuring scale plate, a placement buffer pad is fixedly connected to the inner side of the placement plate, the first compression arc pad and the second compression arc pad are respectively fixedly connected to the first buffer cotton and the second buffer cotton on the inner walls, the first compression arc pad and the second compression arc pad are both fixedly connected to a moving plate on one side, the moving plate is fixedly connected to a fixed block on one side, the fixed block is fixedly connected to a second electric push rod on one side, and the second electric push rod is fixedly connected to one side of the first force measuring scale plate.

[0011] Preferably, two first rotating shafts are symmetrically fixedly connected on both sides of the first rotating column, a first bearing is fixedly connected to the outer side of the first rotating shaft, the first bearing is fixedly connected to the inner wall of the first fixed seat, two limit plug plates are symmetrically fixedly connected on both sides of the first fixed seat, two insertion rods are symmetrically inserted on the inner side of the limit plug plates, the upper ends of the insertion rods are fixedly connected to the limiting columns, a plurality of limiting holes are evenly arranged between the insertion rods and the first fixed seat, and a plurality of moving wheels are evenly arranged at the lower end of the first fixed seat.

[0012] Preferably, two first electric push rods are symmetrically fixedly connected to one side of the second fixed seat, a fixing frame is fixedly connected to one side of the first electric push rod, one side of the fixing frame is fixedly connected to the side wall of the box body, two second rotating shafts are symmetrically fixedly connected to two sides of the second rotating column, a second bearing is fixedly connected to the outer side of the second rotating shaft, and the second bearing is fixedly connected to the inner wall of the second fixed seat.

[0013] Preferably, a third buffer cotton is fixedly connected to the inner side of the force-bearing plate, and a force-bearing groove is provided between the third buffer cotton and the force-bearing plate.

[0014] Preferably, an observation window is fixedly connected to the side wall of the box.

[0015] (III) Beneficial effects

[0016] The present invention provides an elbow joint torque measurement device, which has the following beneficial effects:

[0017] 1. A first damping spring is fixedly connected to the lower end of the base, a support column is fixedly connected to the lower end of the first damping spring, a cross is fixedly connected to the lower end of the support column, a support frame is fixedly connected to the lower end of the cross, two inclined plate columns are symmetrically fixedly connected to the two sides of the support frame, a connecting piece is fixedly connected to the lower end of the inclined plate column and the support frame, a first support plate is fixedly connected to the lower end of the connecting piece, four second damping springs are evenly fixedly connected to the lower end of the first support plate, the lower end of the second damping spring is fixedly connected to the second support plate, four supporting inclined plate frames are respectively fixedly connected to the lower end of the cross, and a rubber pad is fixedly connected to the lower end of the supporting inclined plate frame, so that during the force measurement process of the device, the lower end is relatively stable and not easy to shake at will.

[0018] 2. The inside of the box body is movably connected to the first fixed seat and the second fixed seat respectively, and two limit plug plates are symmetrically fixedly connected on both sides of the first fixed seat, and plug rods are symmetrically inserted and arranged on the inner sides of the limit plug plates. The upper ends of the plug rods are fixedly connected to the limit columns, and a plurality of limit holes are arranged between the plug rods and the box body, so that they can be moved to the first fixed seat for fixing at different distances, and a first rotating column is arranged on the inner side of the first fixed seat, and the first rotating shaft is fixedly connected on both sides of the first rotating column, and the first bearing is fixedly connected to the side wall of the first fixed seat, and the first force measuring scale plate is fixedly connected to one side of the first force measuring scale plate, and a first force measuring rotating arc plate is arranged at the lower end of the placing plate, and one side of the first force measuring rotating arc plate is fixedly connected to the first force measuring scale plate, and the lower end of the first force measuring rotating arc plate and the first spring measuring The output end of the force gauge is fixedly connected, and two first compression arc pads are respectively provided on the upper end of the placement plate, and a second compression arc pad is provided on the upper end of the first compression arc pad, a moving plate is fixedly connected to one side of the first compression arc pad and the second compression arc pad, a fixed block is fixedly connected to one side of the moving plate, a second electric push rod is fixedly connected to one side of the fixed block, a second rotating column is provided on the inner side of the second fixed seat, and second rotating shafts are symmetrically fixedly connected on both sides of the second rotating column, a second bearing is fixedly connected to the outer side of the second rotating shaft, and the second bearing is fixedly connected to the inner side of the second fixed seat, a second force measuring scale plate is fixedly connected to one side of the second force measuring scale plate, and a force plate is fixedly connected to one side of the force plate, so that the upper ends of the first fixed seat and the second fixed seat can perform arm flexion force measurement in forward and reverse directions respectively, and elbow joints of different sizes can be measured during the force measurement process. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A perspective view of the present invention;

[0020] Figure 2 is a schematic diagram of the internal structure of the second fixing base of the present invention;

[0021] Figure 3 It is a structural schematic diagram of the lower end of the first fixing seat of the present invention;

[0022] Figure 4 It is a schematic structural diagram of the inner side of the support column of the present invention;

[0023] Figure 5 It is a schematic diagram of the structure between the first spring dynamometer and the first force measuring rotating arc plate of the present invention;

[0024] Figure 6 For the present invention Figure 1 The structural diagram at A in the middle;

[0025] Figure 7 For the present invention Figure 1 Schematic diagram of the structure at B in the middle;

[0026] Figure 8 For the present invention Figure 1 The structural diagram at C in the middle;

[0027] Fig. 9 For the present invention Figure 1 Schematic diagram of the structure at D in the figure.

[0028] Among them, 1, box body; 2, first fixed seat; 3, moving wheel; 4, limit plug plate; 5, limit column; 6, limit hole; 7, first rotating column; 8, first bearing; 9, first rotating shaft; 10, first force measuring scale plate; 11, first spring dynamometer; 12, first force measuring rotating arc plate; 13, force measuring spring; 14, placement plate; 15, placement buffer pad; 16, first compression arc pad; 17, first buffer cotton; 18, moving plate; 19, fixed block; 20, second electric push rod; 21, second compression arc pad; 22, second buffer cotton; 23, base; 24, fixed frame; 25, The first electric push rod; 26, the second fixed seat; 27, the second spring dynamometer; 28, the second rotating shaft; 29, the second bearing; 30, the second rotating column; 31, the second force measuring scale plate; 32, the force plate; 33, the force groove; 34, the third buffer cotton; 35, the support column; 36, the first damping spring; 37, the cross; 38, the support frame; 39, the inclined plate column; 40, the connecting piece; 41, the first support plate; 42, the second damping spring; 43, the second support plate; 44, the supporting inclined plate frame; 45, the rubber pad; 46, the observation window; 47, the second force measuring rotating arc plate; 48, the plug rod. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] Example:

[0031] like Figure 1-9As shown, an embodiment of the present invention provides an elbow joint torque measuring device, including a box body 1, a base 23 is fixedly connected to the lower end of the box body 1, a first damping spring 36 is fixedly connected to the lower end of the base 23, a support column 35 is fixedly connected to the lower end of the first damping spring 36, a cross 37 is fixedly connected to the lower end of the support column 35, a support frame 38 is fixedly connected to the lower end of the cross 37, a connecting piece 40 is fixedly connected to the lower end of the support frame 38, a first fixed seat 2 and a second fixed seat 26 are slidably connected to the inner side of the box body 1, a first rotating column 7 is arranged on the inner side of the first fixed seat 2, a second rotating column 30 is arranged on the inner side of the second fixed seat 26, a first force measuring scale plate 10 is fixedly connected to the upper end of the first rotating column 7, and a second force measuring scale plate 31 is fixedly connected to the upper end of the second rotating column 30. The first force measuring plate 10 and the second force measuring plate 31 are used to bear the force of the elbow joint and can show the size of the force arm. Two first compression arc pads 16 and second compression arc pads 21 are respectively arranged on one side of the first force measuring plate 10, and a force plate 32 is fixedly connected to one side of the second force measuring plate 31. The first force measuring plate 10 and the second force measuring plate 31 are respectively fixedly connected to one side of the first force measuring rotating arc plate 12 and the second force measuring rotating arc plate 47. The lower ends of the first force measuring rotating arc plate 12 and the second force measuring rotating arc plate 47 are symmetrically fixedly connected with two force measuring springs 13, and the lower ends of the force measuring springs 13 are respectively fixedly connected with the first spring dynamometer 11 and the second spring dynamometer 27. The first spring dynamometer 11 and the second spring dynamometer 27 are prior art structures.

[0032] Two inclined plate columns 39 are symmetrically fixedly connected on both sides of the support frame 38, the lower end of the connecting member 40 is fixedly connected to the first support plate 41, the lower end of the first support plate 41 is evenly fixedly connected to four second damping springs 42, and the lower end of the second damping spring 42 is fixedly connected to the second support plate 43.

[0033] Four supporting inclined plate frames 44 are evenly and fixedly connected to the lower end of the cross 37 . The supporting inclined plate frames 44 are used to support the cross 37 . A rubber pad 45 is fixedly connected to the lower end of the supporting inclined plate frames 44 .

[0034] A placing plate 14 is provided at the lower end of the first compression arc pad 16, one side of the placing plate 14 is fixedly connected to the first force measuring scale plate 10, a placing buffer pad 15 is fixedly connected to the inner side of the placing plate 14, the first compression arc pad 16 and the second compression arc pad 21 are respectively fixedly connected to the inner walls with the first buffer cotton 17 and the second buffer cotton 22, the first buffer cotton 17 and the second buffer cotton 22 provide buffering protection when the elbow joint is clamped, one side of the first compression arc pad 16 and the second compression arc pad 21 are both fixedly connected to a moving plate 18, one side of the moving plate 18 is fixedly connected to a fixed block 19, one side of the fixed block 19 is fixedly connected to a second electric push rod 20, the second electric push rod 20 is a prior art structure powered by an internal motor, one side of the second electric push rod 20 is fixedly connected to one side of the first force measuring scale plate 10.

[0035] Two first rotating shafts 9 are symmetrically fixedly connected on both sides of the first rotating column 7, and a first bearing 8 is fixedly connected to the outer side of the first rotating shaft 9. The first bearing 8 enables the first rotating shaft 9 to rotate on the inner side thereof, and the first bearing 8 is fixedly connected to the inner wall of the first fixed seat 2. Two limiting plug plates 4 are symmetrically fixedly connected on both sides of the first fixed seat 2. Two insert rods 48 are symmetrically inserted on the inner side of the limiting plug plates 4. The insert rods 48 and the limiting holes 6 can be inserted into each other. The upper end of the insert rod 48 is fixedly connected to the limiting column 5, and a plurality of limiting holes 6 are evenly arranged between the insert rod 48 and the first fixed seat 2. A plurality of moving wheels 3 are evenly arranged at the lower end of the first fixed seat 2. The moving wheels 3 make it easy for the first fixed seat 2 to move.

[0036] Two first electric push rods 25 are symmetrically fixedly connected to one side of the second fixed seat 26. The first electric push rod 25 is a prior art structure that provides power through an internal motor. One side of the first electric push rod 25 is fixedly connected to a fixing frame 24. One side of the fixing frame 24 is fixedly connected to the side wall of the box body 1. Two second rotating shafts 28 are symmetrically fixedly connected to the second rotating column 30 on both sides. A second bearing 29 is fixedly connected to the outer side of the second rotating shaft 28. The second bearing 29 enables the second rotating shaft 28 to rotate inside the second bearing 29. The second bearing 29 is fixedly connected to the inner wall of the second fixed seat 26.

[0037] A third buffer cotton 34 is fixedly connected to the inner side of the force-bearing plate 32 , and a force-bearing groove 33 is provided between the third buffer cotton 34 and the force-bearing plate 32 .

[0038] An observation window 46 is fixedly connected to the side wall of the box body 1 .

[0039] Working principle: The lower end of the base 23 is fixedly connected with a first damping spring 36, the lower end of the first damping spring 36 is fixedly connected with a support column 35, the lower end of the support column 35 is fixedly connected with a cross 37, the lower end of the cross 37 is fixedly connected with a support frame 38, two inclined plate columns 39 are symmetrically fixedly connected on both sides of the support frame 38, the lower ends of the inclined plate columns 39 and the support frame 38 are fixedly connected with a connecting piece 40, the lower end of the connecting piece 40 is fixedly connected with a first support plate 41, the lower end of the first support plate 41 is evenly fixedly connected with four second damping springs 42, the lower end of the second damping spring 42 is fixedly connected with a second support plate 43, the lower end of the cross 37 is respectively fixedly connected with four supporting inclined plate frames 44, the supporting inclined plate frames A rubber pad 45 is fixedly connected to the lower end of 44, so that the lower end of the device is relatively stable and not easy to shake during the force measurement process. The first fixed seat 2 and the second fixed seat 26 are movably connected to the inner side of the box body 1 respectively. Two limit plugs 4 are symmetrically fixedly connected on both sides of the first fixed seat 2. The inner side of the limit plug 4 is symmetrically inserted with a plug rod 48. The upper end of the plug rod 48 is fixedly connected to a limit column 5. A plurality of limit holes 6 are arranged between the plug rod 48 and the box body 1, so that it can be moved to the first fixed seat 2 for fixing at different distances. A first rotating column 7 is arranged on the inner side of the first fixed seat 2. The first rotating shaft 9 is fixedly connected to both sides of the first rotating column 7. The first bearing 8 is fixedly connected to the outer side of the first rotating shaft 9. 8 is fixedly connected to the side wall of the first fixed seat 2, the upper end of the first rotating column 7 is fixedly connected to the first force measuring scale plate 10, one side of the first force measuring scale plate 10 is fixedly connected to the placement plate 14, the lower end of the placement plate 14 is provided with a first force measuring rotating arc plate 12, one side of the first force measuring rotating arc plate 12 is fixedly connected to the first force measuring scale plate 10, the lower end of the first force measuring rotating arc plate 12 is fixedly connected to the output end of the first spring dynamometer 11, two first compression arc pads 16 are respectively provided on the upper end of the placement plate 14, the upper end of the first compression arc pad 16 is provided with a second compression arc pad 21, one side of the first compression arc pad 16 and the second compression arc pad 21 is fixedly connected to a moving plate 18, and one side of the moving plate 18 is fixedly connected to a fixed block 19. A second electric push rod 20 is fixedly connected to one side of the fixed block 19, a second rotating column 30 is arranged on the inner side of the second fixed seat 26, second rotating shafts 28 are symmetrically fixedly connected to the two sides of the second rotating column 30, a second bearing 29 is fixedly connected to the outer side of the second rotating shaft 28, the second bearing 29 is fixedly connected to the inner side of the second fixed seat 26, a second force measuring scale plate 31 is fixedly connected to the upper end of the second rotating column 30, a force plate 32 is fixedly connected to one side of the second force measuring scale plate 31, and a third buffer cotton 34 is fixedly connected to one side of the force plate 32, so that the upper ends of the first fixed seat 2 and the second fixed seat 26 can perform arm flexion force measurement in the forward and reverse directions respectively, and the force measurement can be performed on elbow joints of different sizes during the force measurement process.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An elbow joint torque measurement device, comprising a box (1), characterized in that: The lower end of the box body (1) is fixedly connected to a base (23), the lower end of the base (23) is fixedly connected to a first damping spring (36), the lower end of the first damping spring (36) is fixedly connected to a support column (35), the lower end of the support column (35) is fixedly connected to a cross (37), the lower end of the cross (37) is fixedly connected to a support frame (38), the lower end of the support frame (38) is fixedly connected to a connecting piece (40), the inner side of the box body (1) is slidably connected to a first fixed seat (2) and a second fixed seat (26), the inner side of the first fixed seat (2) is provided with a first rotating column (7), the inner side of the second fixed seat (26) is provided with a second rotating column (30), the upper end of the first rotating column (7) is fixedly connected to a first force measuring scale plate ( 10), the upper end of the second rotating column (30) is fixedly connected to a second force measuring scale plate (31), one side of the first force measuring scale plate (10) is respectively provided with two first compression arc pads (16) and a second compression arc pad (21), one side of the second force measuring scale plate (31) is fixedly connected to a force bearing plate (32), one side of the first force measuring scale plate (10) and the second force measuring scale plate (31) are respectively fixedly connected to a first force measuring rotating arc plate (12) and a second force measuring rotating arc plate (47), the lower ends of the first force measuring rotating arc plate (12) and the second force measuring rotating arc plate (47) are symmetrically fixedly connected to two force measuring springs (13), and the lower ends of the force measuring springs (13) are respectively fixedly connected to a first spring dynamometer (11) and a second spring dynamometer (27).

2. The elbow joint torque measuring device according to claim 1, characterized in that: Two inclined plate columns (39) are symmetrically fixedly connected to both sides of the support frame (38); a first support plate (41) is fixedly connected to the lower end of the connecting member (40); four second damping springs (42) are evenly fixedly connected to the lower end of the first support plate (41); and a second support plate (43) is fixedly connected to the lower end of the second damping spring (42).

3. The elbow joint torque measuring device according to claim 1, characterized in that: Four supporting inclined plate frames (44) are evenly and fixedly connected to the lower end of the cross (37), and a rubber pad (45) is fixedly connected to the lower end of the supporting inclined plate frame (44).

4. The elbow joint torque measuring device according to claim 1, characterized in that: A placement plate (14) is provided at the lower end of the first compression arc pad (16), one side of the placement plate (14) is fixedly connected to the first force measuring scale plate (10), the inner side of the placement plate (14) is fixedly connected to a placement buffer pad (15), the inner walls of the first compression arc pad (16) and the second compression arc pad (21) are respectively fixedly connected to a first buffer cotton (17) and a second buffer cotton (22), one side of the first compression arc pad (16) and the second compression arc pad (21) are both fixedly connected to a moving plate (18), one side of the moving plate (18) is fixedly connected to a fixed block (19), one side of the fixed block (19) is fixedly connected to a second electric push rod (20), and one side of the second electric push rod (20) is fixedly connected to one side of the first force measuring scale plate (10).

5. The elbow joint torque measuring device according to claim 1, characterized in that: Two first rotating shafts (9) are symmetrically fixedly connected to the two sides of the first rotating column (7); a first bearing (8) is fixedly connected to the outer side of the first rotating shaft (9); the first bearing (8) is fixedly connected to the inner wall of the first fixed seat (2); two limiting plug plates (4) are symmetrically fixedly connected to the two sides of the first fixed seat (2); two insert rods (48) are symmetrically inserted and arranged on the inner side of the limiting plug plates (4); the upper ends of the insert rods (48) are fixedly connected to the limiting columns (5); a plurality of limiting holes (6) are evenly arranged between the insert rods (48) and the first fixed seat (2); and a plurality of moving wheels (3) are evenly arranged at the lower end of the first fixed seat (2).

6. The elbow joint torque measuring device according to claim 1, characterized in that: Two first electric push rods (25) are symmetrically fixedly connected to one side of the second fixed seat (26), a fixing frame (24) is fixedly connected to one side of the first electric push rod (25), one side of the fixing frame (24) is fixedly connected to the side wall of the box body (1), two second rotating shafts (28) are symmetrically fixedly connected to the second rotating shaft (28), a second bearing (29) is fixedly connected to the outer side of the second rotating shaft (28), and the second bearing (29) is fixedly connected to the inner wall of the second fixed seat (26).

7. The elbow joint torque measuring device according to claim 1, characterized in that: A third buffer cotton (34) is fixedly connected to the inner side of the force-bearing plate (32), and a force-bearing groove (33) is provided between the third buffer cotton (34) and the force-bearing plate (32).

8. The elbow joint torque measuring device according to claim 1, characterized in that: An observation window (46) is fixedly connected to the side wall of the box body (1).

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