CN113998144A - Measuring device of adjustable counter weight - Google Patents
Measuring device of adjustable counter weight Download PDFInfo
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- CN113998144A CN113998144A CN202111427838.5A CN202111427838A CN113998144A CN 113998144 A CN113998144 A CN 113998144A CN 202111427838 A CN202111427838 A CN 202111427838A CN 113998144 A CN113998144 A CN 113998144A
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- rod
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- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 27
- 238000005259 measurement Methods 0.000 claims abstract description 22
- 230000005484 gravity Effects 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 description 12
- 239000010959 steel Substances 0.000 description 12
- 238000003466 welding Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 238000004088 simulation Methods 0.000 description 4
- 210000001503 joint Anatomy 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
- B64F5/60—Testing or inspecting aircraft components or systems
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Transportation (AREA)
- Aviation & Aerospace Engineering (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention provides a measuring device of an adjustable counterweight, which is used for simulating a tail reducer and a tail rotor hub of a helicopter, and comprises: the supporting structure is arranged on a helicopter tail speed reducer support; one end of the cross bar is vertically arranged on the supporting structure; the longitudinal rod is vertically arranged on the cross rod and can slide relative to the cross rod; the combined counterweight is arranged on the longitudinal rod in a sliding mode and can slide along the longitudinal rod, and the combined counterweight is used for adjusting the gravity center position and the mass of the simulated tail speed reducer and the tail rotor hub; the invention solves the problems that a tail speed reducer system is not easy to simulate and the counterweight and the gravity center position are frequently adjusted, and can conveniently realize quick adjustment and assembly measurement.
Description
Technical Field
The application belongs to the technical field of tooling tools, and particularly relates to a measuring device with adjustable balance weight.
Background
The installation and measurement of the helicopter tail reducer system directly affects the quality of helicopter products, and meanwhile, along with the requirements of mass production and technical clearance of the installation of the helicopter tail reducer, a measuring device for installing the adjustable balance weight of the helicopter tail reducer is urgently needed to be developed.
Because the mass and the gravity center position of each type of tail reducer are different, a device for simulating the mass and the gravity center position of the tail reducer is needed during assembly and measurement so as to ensure the requirements of measurement precision and accuracy of a transmission system of the tail reducer during installation.
Disclosure of Invention
In view of the above technical problem, the present invention provides a measuring device for an adjustable counterweight, which is used for simulating a tail reducer and a tail rotor hub of a helicopter, and comprises:
the supporting structure is arranged on a helicopter tail speed reducer support;
one end of the cross bar is vertically arranged on the supporting structure;
the longitudinal rod is vertically arranged on the cross rod and can slide relative to the cross rod;
and the combined counterweight is arranged on the longitudinal rod in a sliding mode and can slide along the longitudinal rod, and the combined counterweight is used for realizing the adjustment of the gravity center position and the mass of the simulated tail speed reducer and the tail rotor hub.
Preferably, the support structure comprises:
the bottom plate is arranged on a helicopter tail speed reducer support;
a pillar disposed on the base plate.
Preferably, the measuring device further comprises:
the angle scale is arranged on the strut;
one end of the straight rod is glued on the support;
and the flange is connected to the other end of the straight rod.
Preferably, the measuring device further comprises:
and the target is arranged on the flange and used for adjusting the installation angle and the position of the rotating shaft.
Preferably, the measuring device further comprises:
and the pointer is arranged on the straight rod, locked on the angle scale through a locking screw and used for measuring the installation angle of the transmission shaft.
Preferably, a blocking plate is arranged at the other end of the cross rod and used for preventing the combined counterweight and the longitudinal rod from falling off from the cross rod.
Preferably, the measuring device further comprises:
the transverse sliding block is arranged on the transverse rod and can slide along the transverse rod;
the longitudinal sliding block is arranged on the longitudinal rod and can slide along the longitudinal rod; wherein, the vertical pole is fixed to be set up on horizontal slider.
Preferably, the measuring device further comprises:
the positioning rod is arranged on the longitudinal sliding block;
and the balancing weight is sleeved on the positioning rod.
The invention has the technical effects that:
the measuring device of the adjustable balance weight has the advantages of accurate positioning, simple structure, convenient measurement and reliable fixation, solves the problems of difficult simulation of a tail speed reducer system and frequent adjustment of the balance weight and the gravity center position, and can conveniently realize quick adjustment and assembly measurement; the installation is reliable, the operability is good, the adjustment is convenient, the assembly measurement difficulty is effectively reduced, and the work efficiency is greatly improved.
Drawings
FIG. 1 is a schematic structural diagram of an apparatus provided in an embodiment of the present application;
FIG. 2 is a schematic view of a support structure provided by an embodiment of the present application;
FIG. 3 is a schematic structural diagram of a slide assembly provided in an embodiment of the present application;
FIG. 4 is a schematic structural diagram of a measurement assembly provided in an embodiment of the present application;
FIG. 5 is a schematic structural diagram of an angle scale provided in an embodiment of the present application;
FIG. 6 is a schematic structural diagram of a bolt and a nut provided in an embodiment of the present application;
the device comprises a base plate 1, a support column 2, an ear plate 3, a cross rod 4, a blocking plate 5, a combined counterweight 6, an angle scale 7, a cross sliding block 8, a longitudinal sliding block 9, a longitudinal rod 10, a handle screw 11, a positioning rod 12, a pointer 13, a locking screw 14, a straight rod 15, a flange 16, a target 17, a nut 18, a gasket 19 and a positioning frustum 20.
Detailed Description
The invention provides a measuring device of an adjustable counterweight, which is used for quickly adjusting the operation of simulating the mass and the gravity center position of a tail speed reducer. The gravity center position is adjusted and the loading mass is simulated by adding the counterweight mass and sliding.
The adjustable balance weight and the measuring device are developed through the attack and the customs, the difficulty of frequently adjusting the balance weight and the gravity center position is overcome, the actual deformation of a tail part during the installation simulation can be conveniently realized, the transmission system can be quickly adjusted and accurately measured and assembled, and the design requirement of the tail part transmission system is met. The assembly quality and progress requirements of the helicopter tail reducer system during installation are met.
Aiming at the assembly and measurement requirements of the installation and measurement of the tail reducer system of the helicopter, the counterweight-adjustable measuring device provided by the invention has the advantages of quick adjustment, accurate positioning, simple structure, convenient measurement and reliable fixation, overcomes the difficulties of difficult simulation of the tail reducer system and frequent adjustment of the counterweight and the gravity center position, and can conveniently realize quick adjustment, assembly and measurement. The assembly quality and progress requirements of the helicopter tail reducer system during installation are met.
Referring to fig. 1-6, the present invention provides an adjustable counterweight measuring device, which includes: the device comprises a bottom plate 1, a support column 2, an ear plate 3, a cross rod 4, a blocking plate 5, a combined counterweight 6, an angle scale 7, a cross slide block 8, a longitudinal slide block 9, a longitudinal rod 10, a handle screw 11, a positioning rod 12, a pointer 13, a locking screw 14, a straight rod 15, a flange 16, a target 17, a nut 18, a gasket 19 and a positioning frustum 20.
In the embodiment of the application, the measuring device of the adjustable counterweight is a combined structure of adjustable gravity center and counterweight adjustment and rotation angle measurement, and comprises at least a transverse and longitudinal adjusting sliding block structure and a rotation angle measuring device.
The bottom plate 1 is a connecting plate, the shape of the bottom plate is triangular, the corners of the bottom plate are in reverse circular arcs, the connecting plate is provided with mounting holes, the connecting plate is matched with the positioning frustum 20 and then fixed by nuts, boss references are arranged at the mounting holes, positioning holes are arranged in the middle of the connecting plate, and the connecting plate is assembled with the pin holes of the support columns 2 and the angle scale 7.
The pillar 2 is a cylindrical sleeve, the bottom excircle is matched with the bottom plate 1, the front part is connected with the ear plate 3 through welding, positioning and assembling, one side is connected with the rod 4 through butt joint and welding and positioning, and the other side is arranged.
In this application embodiment, otic placode 3 is the lug structure of piecemeal, with pillar 2 passes through welding position erection joint, sets up the rotation pinhole in the middle of the lug, and the pinhole is coaxial relative during the welding, pinhole department through the round pin axle with straight-bar 15 cooperation is connected and is rotated, and the lug outside is the circular arc, prevents the rotatory interference after the assembly.
In this application embodiment, horizontal pole 4 is long straight steel pipe integrated configuration, and the surface is smooth, and one end is the butt joint circular arc, with 2 cylinder cooperation fixed position welding of pillar, 5 fixed position welding of closure plate that the other end passes through are fixed, long straight steel pipe integrated configuration excircle with semicircle guiding hole clearance fit is crossed to the inside of horizontal slider 8, guarantees to slide.
In the embodiment of the application, the blocking plate 5 is an elliptical plate and is fixed with the long and straight steel pipe combined structure of the cross rod 4 by positioning welding.
In this application embodiment, combination counter weight 6 is polylith counter weight lead block, and the combination stacks, opens the locating hole in the middle, with locating lever 12 outer cylinder cooperatees.
In the embodiment of the application, the angle scale 7 is a combination of a hollow circular plate and a support plate, the outer ring is provided with scales, the outer ring is provided with mounting holes, the angle scale is assembled with the support column 2 through the pin holes and then fixed, and the lower part of the angle scale is connected with the support plate and then fixed with the bottom plate 1.
In the embodiment of the application, the transverse sliding block 8 is a rectangular block, the middle of the lower part of the transverse sliding block is provided with a semicircular guide hole, and the transverse sliding block is in clearance fit with the transverse rod 4 which is a long and straight steel pipe combined structure to ensure sliding; the upper part is provided with a mounting hole for positioning and assembling with the longitudinal slide block 9; the middle of the side surface is provided with a screw hole which is in threaded fit with the handle screw 11, and the locking fit is realized after the sliding.
In the embodiment of the application, the longitudinal sliding block 9 is a rectangular block, the middle of the lower part of the longitudinal sliding block is provided with a semicircular guide hole, and the longitudinal sliding block is in clearance fit with the longitudinal rod 10 which is a long and straight steel pipe combined structure to ensure sliding; the upper part is provided with a mounting table, and the middle part is provided with a positioning hole which is positioned and assembled with the positioning rod 12; the middle of the side surface is provided with a screw hole which is in threaded fit with the handle screw 11, and the locking fit is realized after the sliding.
In this application embodiment, the vertical pole 10 is long straight steel pipe integrated configuration, and the surface is smooth, and closure plate 5 fixed-position welding that both ends passed through is fixed, and half round guiding hole clearance fit is crossed with the inside of indulging slider 9 to long straight steel pipe integrated configuration excircle, guarantees to slide.
In the embodiment of the present application, the handle screw 11 has a cylindrical handle at one end and an elongated threaded cylindrical rod at the other end.
In this embodiment, the positioning rod 12 is a stepped cylinder, and is matched with the positioning hole of the combined counterweight 6.
In the embodiment of the application, the pointer 13 is a bent steel plate, the head part is a conical pointer, the middle part is provided with a threaded hole which is in threaded fit and locking with the locking screw 14, and the tail bottom plate is provided with a mounting hole which is in fit and fixation with a pin hole on the side surface of the straight rod 15.
In the embodiment of the present application, the locking screw 14 has a cylindrical handle at one end and an elongated threaded cylindrical rod at the other end.
In the embodiment of the application, the head part of the straight rod 15 is a straight steel pipe, the tail part of the straight rod is an arc block, and the middle of the arc block is provided with a shaft pin hole which is matched and fixed with a rotating pin hole in the middle of the lug plate 3; the end part of the straight steel pipe is fixedly welded with the flange 16, the side surface of the straight steel pipe is provided with a pin hole, and the straight steel pipe is riveted and fixed with the pointer 13.
In this application embodiment, flange 16 is the disc, and evenly arrange the screw hole all around, with target 17 connecting hole positioning assembly back, fixed with locating pin matching hole.
In the embodiment of the application, the target 17 is a disc, the middle is provided with a target point, the periphery is uniformly provided with connecting holes, and the flange 16 is fixed by a positioning pin after being assembled and positioned in a threaded hole.
In the embodiment of the application, the positioning frustum 20 is a combination of a step cylinder and a cone, the head cone is matched with the product positioning taper hole, the tail part is a threaded excircle, and the positioning frustum is matched and fixed with the bottom plate 1 through a nut 18 and a gasket 19.
The measuring device for the adjustable balance weight has the advantages of accurate positioning, simple structure, convenient measurement, reliable fixation and difficulty in adjusting the balance weight and the gravity center position, can conveniently realize the actual deformation of a tail part during the simulation of installation, can quickly adjust and accurately measure and assemble a transmission system, and meets the design requirement of the tail transmission system.
Through experimental demonstration, the difficulty that a tail speed reducer system is not easy to simulate and the balance weight and the gravity center position are frequently adjusted is solved, and the rapid adjustment and the assembly measurement can be conveniently realized. The installation is reliable, the operability is good, the adjustment is convenient, the assembly measurement difficulty is effectively reduced, and the work efficiency is greatly improved.
The use method of the measuring device of the adjustable counterweight comprises the following steps:
step one, inserting the positioning frustum 20 and the bottom plate 1 along the connecting hole, and firmly fixing by using a nut 18 and a gasket 19;
aligning the positioning frustum 20 and the integral device to the corresponding position of the fixed surface of the working platform, and connecting the positioning frustum and the integral device by screw threads after being compressed by a fixed bolt;
quickly adjusting the structure of the transverse and longitudinal sliding blocks to a theoretical reference position according to different positions of the balance weights and the gravity center positions of tail speed reducer systems of different models, increasing and decreasing the number and the mass of the combined balance weights, and simulating the actual deformation of tail parts during installation;
step four, adjusting a straight rod 15 and pointing the pointer to the theoretical angle value of the dial, locking and fixing the standard angle by using a locking screw 14, fixing the target point of the standard angle, detecting the coaxiality of the transmission shaft and the target point of the measuring device with adjustable balance weight by using a measuring tool, namely a collimating telescope or a coaxiality detection device, and ensuring that the tail transmission shaft is arranged in the range of the standard value;
and fifthly, removing the measuring device of the adjustable balance weight, and installing a real tail speed reducer, namely ensuring the installation precision of the tail transmission system.
Claims (8)
1. An adjustable counterweight measurement device, for simulating a helicopter tail reducer and a tail rotor hub, the measurement device comprising:
the supporting structure is arranged on a helicopter tail speed reducer support;
one end of the cross bar is vertically arranged on the supporting structure;
the longitudinal rod is vertically arranged on the cross rod and can slide relative to the cross rod;
and the combined counterweight is arranged on the longitudinal rod in a sliding mode and can slide along the longitudinal rod, and the combined counterweight is used for realizing the adjustment of the gravity center position and the mass of the simulated tail speed reducer and the tail rotor hub.
2. The adjustable counterweight measuring device of claim 1 wherein said support structure comprises:
the bottom plate is arranged on a helicopter tail speed reducer support;
a pillar disposed on the base plate.
3. The adjustable counterweight measuring device of claim 2 further comprising:
the angle scale is arranged on the strut;
one end of the straight rod is glued on the support;
and the flange is connected to the other end of the straight rod.
4. The adjustable weight measurement device of claim 3, further comprising:
and the target is arranged on the flange and used for adjusting the installation angle and the position of the rotating shaft.
5. The adjustable weight measurement device of claim 4, further comprising:
and the pointer is arranged on the straight rod, locked on the angle scale through a locking screw and used for measuring the installation angle of the transmission shaft.
6. The adjustable counterweight measuring device of claim 1 wherein a stop plate is disposed at the other end of said cross bar to prevent said combination counterweight and said side rails from falling off said cross bar.
7. The adjustable weight measurement device of claim 6, further comprising:
the transverse sliding block is arranged on the transverse rod and can slide along the transverse rod;
the longitudinal sliding block is arranged on the longitudinal rod and can slide along the longitudinal rod; wherein, the vertical pole is fixed to be set up on horizontal slider.
8. The adjustable weight measurement device of claim 7, further comprising:
the positioning rod is arranged on the longitudinal sliding block;
and the balancing weight is sleeved on the positioning rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111427838.5A CN113998144A (en) | 2021-11-26 | 2021-11-26 | Measuring device of adjustable counter weight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111427838.5A CN113998144A (en) | 2021-11-26 | 2021-11-26 | Measuring device of adjustable counter weight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113998144A true CN113998144A (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111427838.5A Pending CN113998144A (en) | 2021-11-26 | 2021-11-26 | Measuring device of adjustable counter weight |
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| Country | Link |
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| CN (1) | CN113998144A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206446806U (en) * | 2017-02-16 | 2017-08-29 | 北京理工大学珠海学院 | A kind of flight control assemblies of three rotors frame structure matching |
| CN107651216A (en) * | 2017-10-23 | 2018-02-02 | 重庆通用航空产业集团有限公司 | Engine loading device and method applied to single-shot fixed wing aircraft slow test |
| CN208511137U (en) * | 2017-09-13 | 2019-02-19 | 于江平 | A kind of universal joint body portion fixator |
| CN110259072A (en) * | 2019-07-03 | 2019-09-20 | 中冶天工集团有限公司 | A kind of device and construction method guaranteeing the acid-proof ceramic tile paving gradient and seam |
| CN210196891U (en) * | 2019-06-18 | 2020-03-27 | 西安中英杰科技有限公司 | Adjustable equipment support for industrial measurement |
| CN210346613U (en) * | 2019-09-04 | 2020-04-17 | 明保全 | Laser correction device for helicopter main reducing gear deflection and tail transmission shaft alignment |
| CN112362288A (en) * | 2020-12-08 | 2021-02-12 | 南京禾谱航空科技有限公司 | Automatic adjusting system for attack angle of wind tunnel test unmanned aerial vehicle |
| CN112525423A (en) * | 2020-11-20 | 2021-03-19 | 昌河飞机工业（集团）有限责任公司 | Lifting and rotating device and method for adjusting balance |
| CN113581489A (en) * | 2021-07-20 | 2021-11-02 | 中国民用航空飞行学院 | Static balance moment adjusting device and method for airplane control surface |
-
2021
- 2021-11-26 CN CN202111427838.5A patent/CN113998144A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206446806U (en) * | 2017-02-16 | 2017-08-29 | 北京理工大学珠海学院 | A kind of flight control assemblies of three rotors frame structure matching |
| CN208511137U (en) * | 2017-09-13 | 2019-02-19 | 于江平 | A kind of universal joint body portion fixator |
| CN107651216A (en) * | 2017-10-23 | 2018-02-02 | 重庆通用航空产业集团有限公司 | Engine loading device and method applied to single-shot fixed wing aircraft slow test |
| CN210196891U (en) * | 2019-06-18 | 2020-03-27 | 西安中英杰科技有限公司 | Adjustable equipment support for industrial measurement |
| CN110259072A (en) * | 2019-07-03 | 2019-09-20 | 中冶天工集团有限公司 | A kind of device and construction method guaranteeing the acid-proof ceramic tile paving gradient and seam |
| CN210346613U (en) * | 2019-09-04 | 2020-04-17 | 明保全 | Laser correction device for helicopter main reducing gear deflection and tail transmission shaft alignment |
| CN112525423A (en) * | 2020-11-20 | 2021-03-19 | 昌河飞机工业（集团）有限责任公司 | Lifting and rotating device and method for adjusting balance |
| CN112362288A (en) * | 2020-12-08 | 2021-02-12 | 南京禾谱航空科技有限公司 | Automatic adjusting system for attack angle of wind tunnel test unmanned aerial vehicle |
| CN113581489A (en) * | 2021-07-20 | 2021-11-02 | 中国民用航空飞行学院 | Static balance moment adjusting device and method for airplane control surface |
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