CN112362331A - Portable constant force loading device with force adjustable value - Google Patents
Portable constant force loading device with force adjustable value Download PDFInfo
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- CN112362331A CN112362331A CN202011319130.3A CN202011319130A CN112362331A CN 112362331 A CN112362331 A CN 112362331A CN 202011319130 A CN202011319130 A CN 202011319130A CN 112362331 A CN112362331 A CN 112362331A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0028—Force sensors associated with force applying means
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Abstract
The invention relates to a portable constant force loading device with an adjustable force value, which comprises a first connecting plate and a second connecting plate which are arranged in parallel, wherein a first force applying rod and a second force applying rod are arranged between the first connecting plate and the second connecting plate, the first force applying rod and the second force applying rod are both vertical to the first connecting plate, and external threads are arranged on the first force applying rod and the second force applying rod. The invention has simple structure, accurate sensing force, reduced test cost, small volume and convenient disassembly and carrying, compared with the existing cylinder loading and oil cylinder loading, the invention has small volume, is convenient for disassembly and carrying, and can be used for various devices; the device is suitable for severe working conditions such as severe vibration, the structure of the device is simple, and the situation that the loading force value is inaccurate due to equipment vibration during working can be avoided by adopting the design of the detachable pressure sensor.
Description
Technical Field
The invention relates to the technical field of side force endurance tests of shock absorbers, in particular to a portable constant force loading device with an adjustable force value.
Background
The current mechanisms capable of realizing the loading of the lateral force comprise an air cylinder loading mechanism, an oil cylinder loading mechanism and a non-detachable sensor manual loading mechanism. The cylinder connection is adopted, a compressed air source is needed, the energy consumption is high, and the loading force value is inaccurate when the air source pressure is unstable, so that the uncertainty of the test result is caused. Connecting the oil cylinders: a relatively stable force value can be obtained, but a set of hydraulic loading system is needed, so that the cost is relatively high. The non-detachable manual sensor loading mechanism is connected to the two vibration absorbers through the S-shaped sensor, when the vibration absorbers are tested, the frequency can reach 12Hz, the sensor moves along with the vibration absorbers, and therefore the problems that measured data are inaccurate and acceleration damage to the sensor is caused are solved.
Disclosure of Invention
The invention aims to solve the defects of the prior art, and provides a portable constant force loading device with an adjustable force value, which achieves the purpose of loading a constant lateral force with a detectable force value when a shock absorber is subjected to an endurance test.
In order to achieve the purpose, the invention adopts the following technical scheme: a portable constant force loading device with an adjustable force value comprises a first connecting plate and a second connecting plate which are arranged in parallel, wherein a first force applying rod and a second force applying rod are arranged between the first connecting plate and the second connecting plate, the first force applying rod and the second force applying rod are both vertical to the first connecting plate, and external threads are arranged on the first force applying rod and the second force applying rod;
one end of the first force applying rod penetrates out of the first connecting plate, a first fixing nut is in threaded connection after the first force applying rod penetrates out of the first connecting plate, the other end of the first force applying rod penetrates out of the second connecting plate, a first adjusting nut is in threaded connection after the first force applying rod penetrates out of the first connecting plate, two first reinforcing nuts are arranged on one side, away from the first fixing nut, of the first connecting plate, two second reinforcing nuts are arranged on one side, away from the first adjusting nut, of the second connecting plate, and the second reinforcing nuts and the first reinforcing nuts are both in threaded connection with the first force applying rod;
one end of the second force applying rod penetrates out of the first connecting plate, a second fixing nut is in threaded connection after the second force applying rod penetrates out of the first connecting plate, the other end of the second force applying rod penetrates out of the second connecting plate, a second adjusting nut is in threaded connection after the second force applying rod penetrates out of the second connecting plate, two third reinforcing nuts are arranged on one side, away from the second fixing nut, of the first connecting plate, two fourth reinforcing nuts are arranged on one side, away from the second adjusting nut, of the second connecting plate, and the third reinforcing nut and the fourth reinforcing nut are both in threaded connection with the second force applying rod;
one side that No. two connecting plates were kept away from to a connecting plate is equipped with a fixed subassembly that is used for fixed left side bumper shock absorbers, one side threaded connection of a fixed subassembly orientation connecting plate has the screw rod, the other end of screw rod has middle nut after passing a connecting plate screw thread even, one side that middle nut kept away from a connecting plate is equipped with the afterburning head, afterburning head one end is equipped with the horizontally screw hole, afterburning head and screw rod threaded connection, the laminating of one side that middle nut was kept away from to the afterburning head has thrust ball bearing, the bearing housing is installed to thrust ball bearing opposite side, pressure sensor is installed to the opposite side of bearing housing, the external digital display power value table of pressure sensor, pressure sensor's opposite side is equipped with connecting bolt, threaded connection has No. two fixed subassemblies that are used for fixed right side bumper shock absorbers after No. two connecting plates were worn out to connecting bolt's screw.
A fixed subassembly and No. two fixed subassemblies all include splint and No. two splint, splint and No. two splint locks the circularity, and splint and No. two splint link together through fixing bolt, be equipped with the screw hole with screw rod threaded connection on splint of a fixed subassembly, be equipped with the screw hole with connecting bolt threaded connection on splint of No. two fixed subassemblies, the left side bumper shock absorber is fixed in the circularity of splint and No. two splint locks of a fixed subassembly, the right side bumper shock absorber is fixed in the circularity of splint and No. two splint locks of No. two fixed subassemblies.
A spring washer and a flat washer are arranged between the first fixing nut and the first connecting plate, between the first reinforcing nut and the first connecting plate, between the second reinforcing nut and the second connecting plate and between the first adjusting nut and the second connecting plate, and the spring washer and the flat washer are sleeved on the first stress application rod.
A spring washer and a flat washer are also arranged between the second fixing nut and the first connecting plate, between the third reinforcing nut and the first connecting plate, between the second adjusting nut and the second connecting plate and between the fourth reinforcing nut and the second connecting plate, and the spring washer and the flat washer are sleeved on the second stressing rod.
The screw is M20 screw.
A fixation nut, a reinforcement nut, a second reinforcement nut and a first adjusting nut are all M14 nuts.
No. two fixation nuts, No. two adjusting nuts, No. three reinforcing nuts and No. four reinforcing nuts are all M14 nuts.
The center of the first force application rod and the center of the second force application rod are sleeved with the hand-held blocks.
One side of the middle nut, which is far away from the force applying head, is sequentially provided with a middle spring washer, a middle flat washer II, a middle spring washer II and a middle flat washer III, and one end of the screw, which is far away from the force applying head, sequentially penetrates through the middle nut, the middle spring washer I, the middle flat washer I, the connecting plate I, the middle flat washer II, the middle spring washer II and the middle flat washer III and then is in threaded connection with the clamp plate I.
The connecting bolt is sleeved with a third middle spring washer, a fourth middle flat washer, a fifth middle flat washer, a fourth middle spring washer and a sixth middle flat washer, and the screw end of the connecting bolt sequentially penetrates through the third middle spring washer, the fourth middle flat washer, the second connecting plate, the fifth middle flat washer, the fourth middle spring washer and the sixth middle flat washer and then is in threaded connection with the first clamping plate.
The invention has the beneficial effects that: the invention has simple structure, and adopts a manual loading mode without the help of air source, oil source and other equipment; the pressure sensor is fixed on the bearing sleeve, so that the pressure sensor cannot rotate along with the screwing process of the stress application head, the loading position is ensured to be on the same straight line, and the force value is accurate; the invention reduces the test cost, and the detachable design of the pressure sensor ensures that the pressure sensor does not vibrate along with the shock absorber, thereby greatly prolonging the service life of the pressure sensor; the invention has small volume, is convenient to disassemble and carry compared with the existing cylinder loading and oil cylinder loading, has small volume, is convenient to disassemble and carry, and can be used for various devices; the device is suitable for severe working conditions such as severe vibration, the structure of the device is simple, and the situation that the loading force value is inaccurate due to equipment vibration during working can be avoided by adopting the design of the detachable pressure sensor.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a force diagram of the present invention;
FIG. 3 is a diagram of the present invention;
in the figure: 1-a connection plate; 2-connecting plate II; 3-a first force application rod; 4-a second stress application rod; 5-a fixing nut; 6-a regulating nut; 7-a first reinforcing nut; 8-second reinforcing nut; 9-second fixing nut; 10-second adjusting nut; 11-third reinforced nut; 12-fourth reinforcing nut; 13-a first fixed component; 14-a screw; 15-middle nut; 16-a force application head; 17-a thrust ball bearing; 18-a bearing sleeve; 19-a pressure sensor; 20-connecting bolts; 21-fixed component number two; 22-splint No. one; 23-splint No. two; 24-a fixing bolt; 25-flat washers; 26-a spring washer; 27-a hand-held block; 28-intermediate spring washer number one; 29-middle plain washer number one; 30-second middle plain washer; 31-second center spring washer; 32-third middle plain washer; 33-third center spring washer; 34-four middle plain washer; 35-five middle plain washer; 36-four gauge center spring washer; 37-six gauge middle plain washer;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in fig. 1-3, a portable force-adjustable constant force loading device comprises a first connecting plate 1 and a second connecting plate 2 which are arranged in parallel, a first force applying rod 3 and a second force applying rod 4 are arranged between the first connecting plate 1 and the second connecting plate 2, the first force applying rod 3 and the second force applying rod 4 are both perpendicular to the first connecting plate 1, and external threads are arranged on the first force applying rod 3 and the second force applying rod 4;
one end of the first force adding rod 3 penetrates out of the first connecting plate 1, and is in threaded connection with a first fixing nut 5 after penetrating out, the other end of the first force adding rod 3 penetrates out of the second connecting plate 2, and is in threaded connection with a first adjusting nut 6 after penetrating out, one side, away from the first fixing nut 5, of the first connecting plate 1 is provided with two first reinforcing nuts 7, one side, away from the first adjusting nut 6, of the second connecting plate 2 is provided with two second reinforcing nuts 8, and the second reinforcing nuts 8 and the first reinforcing nuts 7 are in threaded connection with the first force adding rod 3;
one end of the second force applying rod 4 penetrates out of the first connecting plate 1, and is in threaded connection with a second fixing nut 9 after penetrating out, the other end of the second force applying rod 4 penetrates out of the second connecting plate 2, and is in threaded connection with a second adjusting nut 10 after penetrating out, two third reinforcing nuts 11 are arranged on one side, away from the second fixing nut 9, of the first connecting plate 1, two fourth reinforcing nuts 12 are arranged on one side, away from the second adjusting nut 10, of the second connecting plate 2, and the third reinforcing nuts 11 and the fourth reinforcing nuts 12 are in threaded connection with the second force applying rod 4;
one side of the first connecting plate 1, which is far away from the second connecting plate 2, is provided with a first fixing component 13 for fixing a left-side shock absorber, one side of the first fixing component 13, which is towards the first connecting plate 1, is in threaded connection with a screw rod 14, the other end of the screw rod 14 is in threaded connection with a middle nut 15 after penetrating through the first connecting plate 1, one side of the middle nut 15, which is far away from the first connecting plate 1, is provided with a stress application head 16, one end of the stress application head 16 is provided with a horizontal threaded hole, the stress application head 16 is in threaded connection with the screw rod 14, one side of the stress application head 16, which is far away from the middle nut 15, is attached with a thrust ball bearing 17, the other side of the thrust ball bearing 17 is provided with a bearing sleeve 18, the other side of the bearing sleeve 18 is provided with a pressure sensor 19, the pressure sensor 19 is externally connected with a digital display force value, the screw 14 and the connecting bolt 20 are located between the first force application rod 3 and the second force application rod 4.
Fixed subassembly 13 and No. two fixed subassemblies 21 all include splint 22 and No. two splint 23, splint 22 and No. two splint 23 lock become the annular, and splint 22 and No. two splint 23 link together through fixing bolt 24, be equipped with the screw hole with 14 threaded connection of screw rod on the splint 22 of a fixed subassembly 13, be equipped with the screw hole with connecting bolt 20 threaded connection on the splint 22 of No. two fixed subassemblies 21, the left side bumper shock absorber is fixed in the annular of a splint 22 and No. two splint 23 locks of a fixed subassembly 13, the right side bumper shock absorber is fixed in the annular of a splint 22 and No. two splint 23 locks of No. two fixed subassemblies 21.
A spring washer 26 and a plain washer 25 are arranged between the first fixing nut 5 and the first connecting plate 1, between the first reinforcing nut 7 and the first connecting plate 1, between the second reinforcing nut 8 and the second connecting plate 2 and between the first adjusting nut 6 and the second connecting plate 2, and the spring washer 26 and the plain washer 25 are sleeved on the first stressing rod 3.
No. one fixation nut 5, No. one reinforcing nut 7, No. two reinforcing nuts 8 and No. one adjusting nut 6 are all M14 nuts.
No. two fixation nuts 9, No. two adjusting nuts 10, No. three reinforcing nuts 11 and No. four reinforcing nuts 12 are all M14 nuts.
The center of the first force application rod 3 and the center of the second force application rod 4 are sleeved with the handheld blocks 27, and the installation is convenient.
One side of the middle nut 15, which is far away from the forcing head 16, is sequentially provided with a first middle spring washer 28, a first middle flat washer 29, a second middle flat washer 30, a second middle spring washer 31 and a third middle flat washer 32, and one end of the screw 14, which is far away from the forcing head 16, sequentially penetrates through the middle nut 15, the first middle spring washer 28, the first middle flat washer 29, the first connecting plate 1, the second middle flat washer 30, the second middle spring washer 31 and the third middle flat washer 32 and then is in threaded connection with the first clamping plate 22.
The connecting bolt 20 is sleeved with a third middle spring washer 33, a fourth middle flat washer 34, a fifth middle flat washer 35, a fourth middle spring washer 36 and a sixth middle flat washer 37, and the screw end of the connecting bolt 20 penetrates through the third middle spring washer 33, the fourth middle flat washer 34, the second connecting plate 2, the fifth middle flat washer 35, the fourth middle spring washer 36 and the sixth middle flat washer 37 in sequence and then is in threaded connection with the first clamping plate 22.
When the invention works, the first fixing component 13 is used for fixing the left side shock absorber, the second fixing component 21 is used for fixing the right side shock absorber, the first clamping plate 22 of the first fixing component 13 is fixed on the first connecting plate 1 through the screw 14 and the middle nut 15, the first clamping plate 22 of the second fixing component 21 is fixed on the second connecting plate 2 through the connecting bolt 20, one end of the first stressing rod 3 is fixed on the first connecting plate 1 through the first fixing nut 5 and the first reinforcing nut 7, the other end of the first stressing rod 3 sequentially passes through the second reinforcing nut 8, the second connecting plate 2 and the first adjusting nut 6, one end of the second stressing rod 4 is fixed on the first connecting plate 1 through the second fixing nut 9 and the third reinforcing nut 11, the other end of the second stressing rod 4 sequentially passes through the fourth reinforcing nut 12, the second connecting plate 2 and the second adjusting nut 10, thereby completing the installation work before detection, connecting a thrust ball bearing 17, a bearing sleeve 18 and a pressure sensor 19 into a whole, namely a detachable force measuring element, placing the detachable force measuring element between a force application head 16 and a connecting bolt 20, rotating the force application head 16 to apply pressure to the detachable force measuring element, wherein the pressure is represented by F, when the value of F is a detected pressure value, stopping rotating the force application head 16, simultaneously screwing a first adjusting nut 6 and a second adjusting nut 10, the connecting bolt 20 applies opposite force to the detachable force measuring element, when the force applied to the detachable force measuring element is reduced to 0N from the detected pressure value, namely the sum of F1 and F2 is the detected pressure value, the value of F is 0N, then rotating the force application head 16 in the opposite direction, thereby increasing the distance between the force application head 16 and the connecting bolt 20, removing the detachable force measuring element, screwing a second reinforcing nut 8 and a fourth reinforcing nut 12, thereby realizing the application of the lateral force of the left side shock absorber and the right side shock absorber.
As shown in fig. 2 and 3, since the position of the force application head 16, that is, Δ X, is not changed, the right-side damper attachment part strain ∈ is also not changed, that is, the rebound force FN is also kept constant, and as the combined external force becomes zero, F gradually decreases as F1 and F2 gradually increases, and when F becomes 0N (at this time, the ball bearing thrust 17, the pressure sensor 19, and the bearing housing 18 can be removed together), F1+ F2 becomes 1000N. This makes it possible to obtain a more precise lateral force value without the need for a connection of the pressure sensor 19. The detachable design of the pressure sensor 19 greatly saves the test cost.
Example 1
When the lateral force is 1000N and no pre-tightening force exists, the specific embodiment is as follows:
the left side shock absorber and the right side shock absorber are arranged on a rack, a first fixing component 13 is fixed on the left side shock absorber, a second fixing component 21 is fixed on the right side shock absorber, a first clamping plate 22 of the first fixing component 13 is fixed on a first connecting plate 1 through a screw rod 14 and a middle nut 15, a first clamping plate 22 of the second fixing component 21 is fixed on a second connecting plate 2 through a connecting bolt 20, when a lateral force is loaded, the first connecting plate 1 is fixed on a first stress application rod 3 through screwing a first reinforcing nut 7 and a first fixing nut 5, the first connecting plate 1 is fixed on a second stress application rod 4 through screwing a third reinforcing nut 11 and a second fixing nut 9, at the moment, a first adjusting nut 6 and a second adjusting nut 10 on the right side are in a state, a second reinforcing nut 8 and a fourth reinforcing nut 12 are in a screwing state, a detachable force measuring element is placed between a stress application head 16 and the connecting bolt 20, the force applying head 16 is rotated to apply pressure to the detachable force measuring element, the force applying head 16 presses the thrust ball bearing 17 and is transmitted to the pressure sensor 19 through the bearing sleeve 18, the force value can be read from a digital force value table externally connected with the pressure sensor 19 by continuously screwing the force applying head 16, when the required 1000N is reached (at the moment, lateral force is transmitted by the screw rod 14 and the connecting bolt 20), the second reinforcing nut 8 and the fourth reinforcing nut 12 are screwed, along with the screwing of the second reinforcing nut 8 and the fourth reinforcing nut 12, when the force value is reduced to 0N (at the moment, the lateral force is transmitted by the first force applying rod 3 and the second force applying rod 4), the screwing is stopped. The detachable force-measuring cell can now be removed together, so that the application of lateral forces to the left-hand damper and the right-hand damper is achieved.
Example 2
When the lateral force is 1000N and the pretightening force is 400N, the specific embodiment is as follows:
the left side shock absorber and the right side shock absorber are arranged on a rack, a first fixing component 13 is fixed on the left side shock absorber, a second fixing component 21 is fixed on the right side shock absorber, a first clamping plate 22 of the first fixing component 13 is fixed on a first connecting plate 1 through a screw rod 14 and a middle nut 15, a first clamping plate 22 of the second fixing component 21 is fixed on a second connecting plate 2 through a connecting bolt 20, when a lateral force is loaded, the first connecting plate 1 is fixed on a first stress application rod 3 through screwing a first reinforcing nut 7 and a first fixing nut 5, the first connecting plate 1 is fixed on a second stress application rod 4 through screwing a third reinforcing nut 11 and a second fixing nut 9, at the moment, a first adjusting nut 6 and a second adjusting nut 10 on the right side are in a state, a second reinforcing nut 8 and a fourth reinforcing nut 12 are in a screwing state, a detachable force measuring element is placed between a stress application head 16 and the connecting bolt 20, the force applying head 16 is rotated to apply pressure to the detachable force measuring element, the force applying head 16 presses the thrust ball bearing 17 and is transmitted to the pressure sensor 19 through the bearing sleeve 18, the force value can be read from a digital force value table externally connected with the pressure sensor 19 by continuously screwing the force applying head 16, when the required 1400N is reached (at the moment, lateral force is transmitted by the screw 14 and the connecting bolt 20), the first adjusting nut 6 and the second adjusting nut 10 are screwed, along with the screwing of the first adjusting nut 6 and the second adjusting nut 10, the pressure sensor 19 displays the force value of 1800N (the actual force value is 1000N, the force value displayed by the pressure sensor 19 is the sum of the force value of the force applying head 16 to the pressure sensor 19 and the force value of the connecting bolt 20 to the pressure sensor 19, the force value of the force applying head 16 to the pressure sensor 19 is 1400N, the force value of the connecting bolt 20 to the pressure sensor 19 is 400N), and the pre-tightening force at the, next, the second 8 and fourth 12 reinforcement nuts are then tightened, and the tightening is stopped when the force value drops to 0N (at which time the lateral force is transmitted by the first 3 and second 4 stressing rods, at which time the pressure sensor 19 indicates a force value of 2800N). The detachable force-measuring cell can now be removed together, so that the application of lateral forces to the left-hand damper and the right-hand damper is achieved.
The invention has been described in connection with the accompanying drawings, it is to be understood that the invention is not limited to the specific embodiments disclosed, but is intended to cover various modifications, adaptations or uses of the invention, and all such modifications and variations are within the scope of the invention.
Claims (10)
1. A portable constant force loading device with an adjustable force value is characterized by comprising a first connecting plate (1) and a second connecting plate (2) which are arranged in parallel, wherein a first force applying rod (3) and a second force applying rod (4) are arranged between the first connecting plate (1) and the second connecting plate (2), the first force applying rod (3) and the second force applying rod (4) are both vertical to the first connecting plate (1), and external threads are arranged on the first force applying rod (3) and the second force applying rod (4);
one end of the first force applying rod (3) penetrates out of the first connecting plate (1), and is in threaded connection with a first fixing nut (5) after penetrating out, the other end of the first force applying rod (3) penetrates out of the second connecting plate (2), and is in threaded connection with a first adjusting nut (6) after penetrating out, one side, away from the first fixing nut (5), of the first connecting plate (1) is provided with two first reinforcing nuts (7), one side, away from the first adjusting nut (6), of the second connecting plate (2) is provided with two second reinforcing nuts (8), and the second reinforcing nuts (8) and the first reinforcing nuts (7) are in threaded connection with the first force applying rod (3);
one end of the second stressing rod (4) penetrates out of the first connecting plate (1), and is in threaded connection with a second fixing nut (9) after penetrating out, the other end of the second stressing rod (4) penetrates out of the second connecting plate (2), and is in threaded connection with a second adjusting nut (10) after penetrating out, two third reinforcing nuts (11) are arranged on one side, away from the second fixing nut (9), of the first connecting plate (1), two fourth reinforcing nuts (12) are arranged on one side, away from the second adjusting nut (10), of the second connecting plate (2), and the third reinforcing nuts (11) and the fourth reinforcing nuts (12) are in threaded connection with the second stressing rod (4);
one side of the first connecting plate (1) far away from the second connecting plate (2) is provided with a first fixing component (13) for fixing a left shock absorber, one side of the first fixing component (13) facing the first connecting plate (1) is in threaded connection with a screw rod (14), the other end of the screw rod (14) penetrates through the first connecting plate (1) and is in threaded connection with an intermediate nut (15), one side of the intermediate nut (15) far away from the first connecting plate (1) is provided with a stress application head (16), one end of the stress application head (16) is provided with a horizontal threaded hole, the stress application head (16) is in threaded connection with the screw rod (14), one side of the stress application head (16) far away from the intermediate nut (15) is attached with a thrust ball bearing (17), the other side of the thrust ball bearing (17) is provided with a bearing sleeve (18), the other side of the bearing sleeve (18) is provided with a pressure, the other side of pressure sensor (19) is equipped with connecting bolt (20), and threaded connection has No. two fixed subassembly (21) that are used for fixed right side bumper shock absorber behind No. two connecting plates (2) are worn out to the screw rod end of connecting bolt (20), and screw rod (14) and connecting bolt (20) all are located between plus pole (3) and No. two plus poles (4).
2. The portable force-adjustable constant force loading device according to claim 1, wherein the first fixing member (13) and the second fixing member (21) each comprise a first clamping plate (22) and a second clamping plate (23), the first clamping plate (22) and the second clamping plate (23) are fastened together to form a ring, and a clamp plate (22) and a clamp plate (23) are connected together through a fixing bolt (24), a threaded hole in threaded connection with the screw rod (14) is formed in the clamp plate (22) of the first fixing component (13), a threaded hole in threaded connection with the connecting bolt (20) is formed in the clamp plate (22) of the second fixing component (21), the left shock absorber is fixed in an annular buckled with the clamp plate (22) and the clamp plate (23) of the first fixing component (13), and the right shock absorber is fixed in an annular buckled with the clamp plate (22) and the clamp plate (23) of the second fixing component (21).
3. The portable force-adjustable constant force loading device according to claim 1, wherein spring washers (26) and plain washers (25) are respectively arranged between the first fixing nut (5) and the first connecting plate (1), between the first reinforcing nut (7) and the first connecting plate (1), between the second reinforcing nut (8) and the second connecting plate (2) and between the first adjusting nut (6) and the second connecting plate (2), and the spring washers (26) and the plain washers (25) are respectively sleeved on the first force applying rod (3).
4. The portable force-adjustable constant force loading device according to claim 1, wherein a spring washer (26) and a flat washer (25) are respectively arranged between the second fixing nut (9) and the first connecting plate (1), between the third reinforcing nut (11) and the first connecting plate (1), between the second adjusting nut (10) and the second connecting plate (2) and between the fourth reinforcing nut (12) and the second connecting plate (2), and the spring washer (26) and the flat washer (25) are respectively sleeved on the second stressing rod (4).
5. The portable, force-adjustable, constant force loading device according to claim 1, wherein the threaded rod (14) is M20 threaded.
6. The portable force-adjustable constant force loading device according to claim 1, wherein the first fixing nut (5), the first reinforcing nut (7), the second reinforcing nut (8) and the first adjusting nut (6) are M14 nuts.
7. The portable force-adjustable constant force loading device according to claim 1, wherein the second fixing nut (9), the second adjusting nut (10), the third reinforcing nut (11) and the fourth reinforcing nut (12) are M14 nuts.
8. The portable force-adjustable constant force loading device according to claim 1, wherein the center of the first force applying rod (3) and the center of the second force applying rod (4) are sleeved with a hand-held block (27).
9. The portable constant force loading device with the adjustable force value is characterized in that one side, away from the force application head (16), of the middle nut (15) is sequentially provided with a first middle spring washer (28), a first middle flat washer (29), a second middle flat washer (30), a second middle spring washer (31) and a third middle flat washer (32), and one end, away from the force application head (16), of the screw rod (14) sequentially penetrates through the middle nut (15), the first middle spring washer (28), the first middle flat washer (29), the first connecting plate (1), the second middle flat washer (30), the second middle spring washer (31) and the third middle flat washer (32) and then is in threaded connection with the first clamping plate (22).
10. The portable constant force loading device with the adjustable force value according to claim 2, wherein a third middle spring washer (33), a fourth middle flat washer (34), a fifth middle flat washer (35), a fourth middle spring washer (36) and a sixth middle flat washer (37) are sleeved on the connecting bolt (20), and a screw end of the connecting bolt (20) sequentially penetrates through the third middle spring washer (33), the fourth middle flat washer (34), the second connecting plate (2), the fifth middle flat washer (35), the fourth middle spring washer (36) and the sixth middle flat washer (37) and then is in threaded connection with the first clamping plate (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011319130.3A CN112362331A (en) | 2020-11-23 | 2020-11-23 | Portable constant force loading device with force adjustable value |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011319130.3A CN112362331A (en) | 2020-11-23 | 2020-11-23 | Portable constant force loading device with force adjustable value |
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| CN112362331A true CN112362331A (en) | 2021-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011319130.3A Pending CN112362331A (en) | 2020-11-23 | 2020-11-23 | Portable constant force loading device with force adjustable value |
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| CN (1) | CN112362331A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114659605A (en) * | 2022-03-29 | 2022-06-24 | 桂林市红星化工有限责任公司 | Detachable automatic weighing device convenient to overhaul |
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2020
- 2020-11-23 CN CN202011319130.3A patent/CN112362331A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114659605A (en) * | 2022-03-29 | 2022-06-24 | 桂林市红星化工有限责任公司 | Detachable automatic weighing device convenient to overhaul |
| CN114659605B (en) * | 2022-03-29 | 2023-06-16 | 桂林市红星化工有限责任公司 | Detachable automatic weighing device convenient to overhaul |
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