CN217331609U - Load applying tool - Google Patents
Load applying tool Download PDFInfo
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- CN217331609U CN217331609U CN202220466278.8U CN202220466278U CN217331609U CN 217331609 U CN217331609 U CN 217331609U CN 202220466278 U CN202220466278 U CN 202220466278U CN 217331609 U CN217331609 U CN 217331609U
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Abstract
The utility model relates to a field is applyed to specified load's deciding power, specifically a frock is applyed to load, the on-line screen storage device comprises a base, still include the cylinder that is used for accepting the given pressure of external air pump on the base through the bolt setting, fix and be used for measuring the measuring board that the piston rod moved the stroke on the pressurized strut in the middle of cylinder and the connecting rod, the setting is used for compressing tightly the subassembly with cylinder complex on the base, realize deciding value load under the atmospheric pressure effect through using the cylinder, turn into tensile load through atmospheric pressure, effectual solution actuates the problem that the inside mechanical lock of section of thick bamboo class product debugs inefficiency, and the on-line screen storage device has convenient to use, safe and reliable's characteristics, there is the effect that is showing to the debugging efficiency that improves the inside mechanical lock of actuating section of thick bamboo class product.
Description
Technical Field
The utility model relates to a field is applyed to the fixed force of appointed load, specifically is a frock is applyed to load.
Background
The hydraulic actuator cylinder on the airplane generally has a mechanical lock structure, and whether the mechanical lock is locked or unlocked firmly and reliably directly influences the working performance of the actuator cylinder, so that the flight reliability of the airplane is influenced. The hydraulic cylinder type product requires a fixed load applicator to apply a constant load during assembly and testing. When a load with a fixed value is applied, the mechanical lock structure of the actuating cylinder can ensure that the lock is not unlocked in a certain time, and meanwhile, the movable clearance of the lock can meet a certain numerical value, so that the performance of the mechanical lock meets the technical requirements of products. The original load applying device uses a force measuring sensor and a spiral force applying device, after the spiral force applying device applies a pulling force to a specified value, the force measuring sensor displays a specific pulling force value, and the lock clearance and the performance of the mechanical lock under the action of a fixed value load are observed. The screw force applying device has the advantages that the screw thread is easy to trip in use, so that the screw thread is slippery and damaged, and meanwhile, the problems of inaccurate display and the like are easy to occur after the force measuring sensor is used for a certain number of times. The original load applicator has the problems of inaccurate force application and low test efficiency. It is therefore desirable to design a load applicator that is more accurate in applying loads and more efficient in testing.
For example, in the method for testing the axial load of the ball bearing of chinese patent No. 201310079912.8, the method includes a lock nut, an adjusting nut, a cylinder, an end cover, a base, an axial bracket, an air spindle, a bearing housing, a positioning centering seat, and a positioning support, wherein the air spindle can easily rotate in a friction-free state by introducing compressed air with P pressure and P1 into a sealed air chamber formed by the base through an air inlet and outlet hole, and the compressed air with P pressure exerts a stable and impact-free axial load on the ball bearing to be tested, so that the compressed air can realize uniform floating of the air spindle in the sealed air chamber and realize stepless loading of the ball bearing to be tested on the axial load of the ball bearing to be tested.
Disclosure of Invention
In order to solve the problem, the utility model provides a frock is applyed to load.
The utility model provides a frock is applyed to load, includes the base, still includes the cylinder that is used for accepting the given pressure of external air pump through the bolt setting on the base, fixes and be used for measuring the measuring board that the piston rod moved the stroke on the actuator cylinder, sets up on the base and be used for compressing tightly the subassembly with cylinder complex at cylinder and connecting rod centre.
A light spring washer and a flat washer which are convenient to compress and stabilize are arranged between the bolt and the base.
The compressing assembly comprises a joint for connecting the air cylinder and the air pump to realize a sealing effect, a connecting rod for connecting the joints of the actuating cylinder and the air cylinder through a positioning pin, and a supporting frame arranged on the base.
The piston rod of the actuating cylinder product is connected with the positioning pin, namely, the state of the mechanical lock of the actuating cylinder is observed after pressure is supplied to the air cylinder.
The air cylinder is matched with an external air pump to realize the reciprocating motion of a piston rod on the air cylinder.
The base is used for bearing the reaction force of the actuating cylinder and the air cylinder.
And a gasket is arranged on the joint.
The utility model has the advantages that: the air cylinder is used for realizing the constant value load under the action of the constant value air pressure, the air pressure is converted into the tensile load, the problem that the debugging efficiency of the internal mechanical lock of the actuating cylinder product is low is effectively solved, and the air cylinder type mechanical lock has the characteristics of convenience in use, safety and reliability, and has a remarkable effect on improving the debugging efficiency of the internal mechanical lock of the actuating cylinder product.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic view of the structure of the present invention;
fig. 2 is a schematic view of the structure a-a of fig. 1 according to the present invention;
description of the drawings: 1. a bolt; 2. a lightweight spring washer; 3. a flat washer; 4. a cylinder; 5. a base; 6. a joint; 7. a gasket; 8. measuring the plate; 9. a nut; 10. a connecting rod; 11. positioning pins; 12. a first hexagon bolt; 13. a second hexagon bolt; 14. a third hexagon bolt; 15. and (7) supporting the frame.
Detailed Description
In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, and the utility model is further explained below.
As shown in fig. 1 and 2, the load applying tool comprises a base 5, a cylinder 4 arranged on the base 5 through a bolt 1 and used for receiving given pressure of an external air pump, a measuring plate 8 fixed between the cylinder 4 and a connecting rod 10 and used for measuring the moving stroke of a piston rod on a actuating cylinder, and a pressing assembly arranged on the base 5 and used for being matched with the cylinder 4.
The air cylinder 4 is used for realizing the constant value load under the action of the constant value air pressure, the air pressure is converted into the tensile load, the problem that the debugging efficiency of the internal mechanical lock of the actuating cylinder product is low is effectively solved, and the air cylinder type mechanical lock has the characteristics of convenience in use, safety and reliability, and has a remarkable effect on improving the debugging efficiency of the internal mechanical lock of the actuating cylinder product.
A light spring washer 2 and a flat washer 3 which are convenient to compress and stabilize are arranged between the bolt 1 and the base 5.
A special power supply is not needed, and only a test bed used in the test of the hydraulic actuator cylinder is used.
The pressing assembly comprises a joint 6 for connecting the air cylinder 4 and the air pump to realize sealing effect, a connecting rod 10 for connecting the actuating cylinder and the joint 6 of the air cylinder 4 through a positioning pin 11, and a supporting frame 15 arranged on the base 5.
The piston rod of the actuating cylinder product is connected with the positioning pin 11, namely, the state of the mechanical lock of the actuating cylinder is observed after the air cylinder 4 is supplied with pressure.
The cylinder 4 is matched with an external air pump to realize the reciprocating motion of a piston rod on the cylinder 4.
The hydraulic actuator cylinder can be directly tested after being fixed on the base, and an auxiliary tool is not needed.
The base 5 is used for bearing the reaction force of the actuating cylinder and the air cylinder 4.
The joint 6 is provided with a gasket 7.
And a nut 9 is arranged on the measuring plate 8.
The base 5 is further provided with a first hexagon bolt 12, a second hexagon bolt 13 and a third hexagon bolt 14 which are used for fixing the cylinder 4.
The load applicator is a rectangular device with the length, width and height of 50cm multiplied by 15cm, and 1 air cylinder 4 with specified size outputs the pulling force and the pushing force with specified size under the action of specified input pressure.
The ram is mounted on the support frame 15 and fixed by the connecting rod 10 and the dowel pin 11, as shown in fig. 2, the ram specification requires a tensile load of 2942+2450N, which is achieved by the cylinder 4 according to the following formula:
f ═ PS, where F ═ 2942N
S ═ Π R2, wherein S ═ 40mm
According to the above calculation formula, the P is 0.588MPa, and when the air cylinder 4 is connected with the air pressure of 0.588MPa, the load applicator can provide a tensile load of 2942N; the cylinder 4 is connected with compressed air and connected with the positioning pin 11 to observe whether the actuating cylinder is unlocked and locked reliably under the action of a certain time.
If the actuator cylinder is not abnormally unlocked, the mechanical lock of the actuator cylinder has reliable performance; if the mechanical lock of the actuating cylinder is not reliable, relevant parts of the product are adjusted, and debugging is carried out again after adjustment, an external power supply and a sensor are not needed in the whole debugging process, the load applying device can be always connected with the product, the product can be debugged during assembly, and the product does not need to be installed on a test bed, so that the debugging efficiency is greatly improved.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and what is described in the specification are the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and these changes and modifications are intended to fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a frock is applyed to load, includes base (5), its characterized in that: the device also comprises an air cylinder (4) which is arranged on the base (5) through a bolt (1) and used for receiving the given pressure of an external air pump, a measuring plate (8) which is fixed between the air cylinder (4) and the connecting rod (10) and used for measuring the moving stroke of the piston rod on the actuating cylinder, and a pressing assembly which is arranged on the base (5) and used for being matched with the air cylinder (4).
2. The load application tool according to claim 1, characterized in that: a light spring washer (2) and a flat washer (3) which are convenient to compress and stabilize are arranged between the bolt (1) and the base (5).
3. The load application tool according to claim 1, characterized in that: the pressing assembly comprises a joint (6) for connecting the air cylinder (4) and the air pump to realize a sealing effect, a connecting rod (10) for connecting the actuating cylinder and the joint (6) of the air cylinder (4) through a positioning pin (11), and a supporting frame (15) arranged on the base (5).
4. A load applying tool according to claim 3, wherein: the piston rod of the actuating cylinder product is connected with the positioning pin (11).
5. The load application tool according to claim 1, characterized in that: the air cylinder (4) is matched with an external air pump to realize the reciprocating motion of a piston rod on the air cylinder (4).
6. The load application tool according to claim 1, characterized in that: the base (5) is used for bearing the reaction force of the actuating cylinder and the cylinder (4).
7. A load applying tool according to claim 3, wherein: and a gasket (7) is arranged on the joint (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220466278.8U CN217331609U (en) | 2022-03-05 | 2022-03-05 | Load applying tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220466278.8U CN217331609U (en) | 2022-03-05 | 2022-03-05 | Load applying tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217331609U true CN217331609U (en) | 2022-08-30 |
Family
ID=82999639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220466278.8U Active CN217331609U (en) | 2022-03-05 | 2022-03-05 | Load applying tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217331609U (en) |
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2022
- 2022-03-05 CN CN202220466278.8U patent/CN217331609U/en active Active
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