CN209589483U - A kind of damping rack applied to gas engine part fatigue shaking test machine - Google Patents
A kind of damping rack applied to gas engine part fatigue shaking test machine Download PDFInfo
- Publication number
- CN209589483U CN209589483U CN201920640714.7U CN201920640714U CN209589483U CN 209589483 U CN209589483 U CN 209589483U CN 201920640714 U CN201920640714 U CN 201920640714U CN 209589483 U CN209589483 U CN 209589483U
- Authority
- CN
- China
- Prior art keywords
- frame
- channel steel
- table top
- steel plate
- chassis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The purpose of this utility model is to provide a kind of damping racks applied to gas engine part fatigue shaking test machine, including channel steel chassis, experiment table top, channel steel support frame, platform steel plate；23 dampers of bottom play the role of bearing pressure and oscillation load；The hydraulic bolt hole for testing table top is used to built-in oscillation testing machine, connects compared with plain bolt, and hydraulic bolt is influenced smaller by oscillation load, compares advantageously；Dovetail groove is responsible for installing test fixture.The utility model can bear 20 tons or so of load, and platform steel plate is also able to maintain biggish frictional force even if there is lubrication leakage above using the steel plate of striped, mount and dismount testpieces convenient for experimenter.The design of tool is positioned instead of common welding manner, can be moved between the bolt hole of channel steel, to replace the position of different types of experiment table top and regulation experiment table top.
Description
Technical field
The utility model relates to a kind of engine test devices, specifically testing machine damping rack.
Background technique
The kernel component of connecting rod and crankshaft as engine, structure are relative complex.With being constantly progressive for internal-combustion engine technology,
Requirement of the people to engine component reliability is higher and higher, and the reliability of link assembly and crankshaft itself is largely determined
The working life of internal combustion engine is determined.Especially between the internal combustion engine runtime, they are influenced by complicated alternating load.In this regard,
Connecting rod and crankshaft it is outstanding fatigue properties index it is essential.
Shaft bending will lead to piston relative to cylinder, bearing relative to axle journal run-off the straight；The mistake circle in hole can make bearing
Lose proper engagement；Once connecting rod shank connecting-rod bolts fracture living occurs in engine operation process, will make machine by
Serious destruction causes serious accident.In order to ensure the fatigue strength of link assembly, reciprocating vibration load is carried out to link assembly
The tensile compression test of lotus, the working condition of simulated engine examine it resistance under specific structure, material and fabrication process condition
Long bearing capacity and fatigue limit.
The bending fatigue strength for ensuring crankshaft is the important measures for guaranteeing internal combustion engine reliability and service life.Crankshaft is curved
Bent fatigue test is crankshaft strength and reliability evaluation is a kind of most intuitive method, it is to simulate crankshaft within the engine
Working condition applies periodical alternating load to crankshaft in test-bed, examines it in specific structure, material and manufacturing process
Under the conditions of durable bearing capacity and fatigue limit.
Summary of the invention
The purpose of this utility model is to provide solve tired shaking test machine frame at present to bear not living reciprocating vibration
Big load and floor bear a kind of damping rack applied to gas engine part fatigue shaking test machine of excessive vibration problem.
Purpose of the utility model is realized as follows:
A kind of damping rack applied to gas engine part fatigue shaking test machine of the utility model, it is characterized in that: packet
Include channel steel chassis, experiment table top, channel steel support frame, platform steel plate；The channel steel chassis includes the first-the four transverse frame, the
The long frame of one-second longitudinal direction, first-the nine longitudinal short frame are sequentially arranged on the first-the four transverse frame longitudinal direction, and first is vertical
The left end of the first-the four transverse frame is connected to long frame, the long frame of second longitudinal direction connects the right side of the first-the four transverse frame
End, fixes the first-third longitudinally short frame between the first transverse frame and the second transverse frame, the second transverse frame and third are horizontal
To the 4th-the six longitudinal short frame is fixed between frame, the 7th-the nine is fixed between third transverse frame and the 4th transverse frame
Longitudinal short frame；The platform steel plate includes the first-the six steel plate, and the first-the six steel plate is according to two column, each column three blocks of steel plates
Structure links together, and first-the six steel plate is machined with the rectangular notch slot for positioning tool installation, adjustment；Channel steel branch
Support is fixed below experiment table top, and experiment table top is located above platform steel plate, and platform Interal fixation is on channel steel chassis, positioning
Have lower end and channel steel chassis connected by the bolt hole on channel steel chassis, upper end is affixed below experiment table top, position the position of tool with
The position of different bolts hole on channel steel chassis and change.
The utility model can also include:
1, further include form bracing frame, form bracing frame includes support unit, the support unit include crossbeam, column,
Column bottom plate, support frame base, the both ends of column are separately connected crossbeam and column bottom plate, and column bottom plate is fixed on support frame base
On；Crossbeam is set to below floor, and channel steel chassis is set to above floor, mounting shock absorber between channel steel chassis and floor.
2, it tests on table top and is provided with hydraulic bolt hole, the upper plane for testing table top opens up dovetail groove.
3, striped is arranged in the upper plane of the first-the six steel plate of platform steel plate.
The advantage of the utility model is:
1. the bending resistance due to U-steel frame is very strong, there is this damping rack good by loading capability, can bear
20 tons or so of load.
2. 23 dampers of bottom have shared heavy weight reciprocal load, good effectiveness in vibration suppression is played.
3. the earrings of channel steel chassis side welding is conducive to pull and sling, convenient for the placement of damping rack.
4. platform steel plate is using the steel plate of striped, even if there is lubrication leakage above, it is also able to maintain biggish rub
Power is wiped, mounts and dismounts testpieces convenient for experimenter.
5. positioning the design of tool instead of common welding manner, can be moved between the bolt hole of channel steel, to replace
The position of different types of experiment table top and regulation experiment table top.
If the channel steel bracket that can in succession is replaced or is adjusted together 6. replacement or Adjustment Tests test table top, without
Channel steel bracket and experiment table top are separately dismantled.
7. hydraulic bolt hole machined is on experiment table top, compared to plain bolt, hydraulic bolt is influenced by oscillation load
It is smaller.Avoid destruction of the greasy dirt to the erosion and oscillation load of screw thread to screw thread.
8.6 trapezoidal mounting grooves are formed on experiment table top, and the test of the components such as crankshaft-and-connecting-rod is inserted by sliding slot
Fixture, and fixed by positioning pin.
9. subsidiary form bracing erects the effect for undertaking floor load, by adjusting stem height, may be implemented big
The support of Partial Species floor.
Detailed description of the invention
Fig. 1 is the structure chart of damping rack；
Fig. 2 is the bolt hole location map of channel steel chassis；
Fig. 3 is the bolt hole location map of channel steel support frame；
Fig. 4 is the structural schematic diagram of form bracing frame；
Fig. 5 is damping rack and form bracing frame structural schematic diagram.
Specific embodiment
It illustrates with reference to the accompanying drawing and the utility model is described in more detail:
In conjunction with Fig. 1-5, the utility model includes channel steel chassis 1, damper 2, platform steel plate 3, positioning tool 4, channel steel support
Frame 5, experiment table top 6, hydraulic bolt hole 7, dovetail groove 8.8 earrings are welded on channel steel chassis 1, facilitate hanged and place.23
Damper 2 is connected in channel steel chassis with M20 bolt according to the bolt hole position of Fig. 2 channel steel chassis.6 with textured steel plate 3
It is welded on channel steel chassis, band lines steel plate is processed into rectangular notch slot, facilitates installation, adjustment and the disassembly of positioning tool 4.
Referring to fig. 2, channel steel chassis 1 is according to fig. 2 in processing bolt hole above, convenient for positioning the installation of tool 4 later.Channel steel bottom
Bolt hole above frame 1 reserved it is several, so as to position tool 4 disassembly and adjusting position.Positioning 4 one end of tool are solid using M20 bolt
It is connected in channel steel chassis 1, the other end uses the connected channel steel support frame 5 of M20 bolt, wherein the bolt hole machining position of channel steel support frame 5
Set the bolt hole position processing bolt hole according to Fig. 3 channel steel support frame.The bolt hole installation site of channel steel support frame is referring to Fig. 3 institute
Show.
Channel steel support frame 5 and experiment table top 6 are integrally welded, test and are machined to 6 dovetail grooves 8 on table top, convenient for connecting
The installation of bar and crankshaft group fixture.4 processing of hydraulic bolt hole 7 are installing tired shaking test on test table top above
Machine.Hydraulic bolt is compared to conventional threaded bolt, and oil rub resistance effect is more preferable, and resistance to corrosion is stronger, resists big weight and back and forth shakes
The ability swung is more excellent.
Referring to fig. 4, matched form bracing frame disclosed by the utility model, including crossbeam 9, column 10, column bottom plate 11,
Drift 12, support frame base 13.This support frame can adjust strut length, and work according to the height between ground and floor
Word steel has good anti-bending strength；The design of steel drift has the function of buffering, and the reinforcing rib of 10 bottom end of column can play
Reinforce integrally-built effect.
It is that damping rack and form bracing frame arrange schematic diagram referring to Fig. 5, Fig. 5, two sets is disposed between floor and ground
Form bracing frame, and two sets of support frame middle wares are away from 2.5m.Then in floor disposed thereupon damping rack and tired shaking test
Machine.
The channel steel chassis 1 for the bottom that 15 channel steels are welded into, surrounding weld 8 earrings in order to pull.23 dampers
It is connected in below channel steel chassis 1 with bolt.6 have the steel plate 3 of coarse lines, weld with the i-beam frame 1 of bottom.8 fixed
Position tool is by looking for drawing position to be connected in the upper surface of channel steel chassis 1 with bolt.The channel steel support frame 5 that 13 channel steels are welded uses spiral shell
Bolt and positioning tool 4 are fixed together.The thick bloom of one piece of 195mm is as experiment table top 6.4 hydraulic bolt hole machineds are being tested
The upper surface of table top 6.6 dovetail grooves 8 are formed on experiment table top, are responsible for fixture insertion.
U-steel frame chassis is in netted welding, and laterally three channel steels, longitudinal channel steel are all cut into segment and transverse groove in addition to two sides
Steel skeleton welding.Entire U-steel frame upper and lower surface arranges bolt hole all in accordance with drawing requirement, is connected damper with bolt below, on
Face is connected with bolt and positions tool.The positioning tool other end is connected channel steel support frame with bolt, and channel steel support frame is welded by drawing mode.
Positioning tool lower end of the bolt is fixed with rack, and upper end bolt is adjacent to experiment table top, can move the position of experiment table top.Place fatigue
The experiment table top and U-steel frame of shaking test machine are integrally welded.Four hydraulic bolt hole bolts hole are arranged in bottom by drawing size
Disk can be very good to bear reciprocating vibration load for installing tired shaking test machine.With the damping of the fatigue shaking test machine
The matched two sets of form bracing framves of rack are arranged between floor and ground, play the work that big weight load is born instead of building body
With.
For the utility model mainly for the damping rack of low cycle fatigue shaking test machine, load frequency is relatively low, but past
Multiple load is bigger.So the utility model uses the channel steel with anti-bending strength, chassis and support frame are produced.
Claims (5)
1. a kind of damping rack applied to gas engine part fatigue shaking test machine, it is characterized in that: including channel steel chassis, reality
Test table top, channel steel support frame, platform steel plate；The channel steel chassis is long including the first-the four transverse frame, the first-second longitudinal direction
Frame, first-the nine longitudinal short frame are sequentially arranged on the first-the four transverse frame longitudinal direction, the long frame connection of first longitudinal direction the
The left end of one-the four transverse frame, the long frame of second longitudinal direction connect the right end of the first-the four transverse frame, the first transverse frame
And second fix the first-third longitudinally short frame between transverse frame, it is fixed between the second transverse frame and third transverse frame
4th-the six longitudinal short frame fixes the 7th-the nine longitudinal short frame between third transverse frame and the 4th transverse frame；Institute
Stating platform steel plate includes the first-the six steel plate, and the first-the six steel plate is connected to one according to the structure of three blocks of two column, each column steel plates
It rises, first-the six steel plate is machined with the rectangular notch slot for positioning tool installation, adjustment；Channel steel support frame is fixed on reality
It tests below table top, experiment table top is located above platform steel plate, and for platform Interal fixation on channel steel chassis, positioning tool lower end passes through slot
Bolt hole on steel chassis connects channel steel chassis, and upper end is affixed below experiment table top, position the position of tool on channel steel chassis not
With bolt hole position and change.
2. a kind of damping rack applied to gas engine part fatigue shaking test machine according to claim 1, special
Sign is: further including form bracing frame, form bracing frame includes support unit, and the support unit includes crossbeam, column, column bottom
Plate, support frame base, the both ends of column are separately connected crossbeam and column bottom plate, and column bottom plate is fixed on support frame base；It is horizontal
Beam is set to below floor, and channel steel chassis is set to above floor, mounting shock absorber between channel steel chassis and floor.
3. a kind of damping rack applied to gas engine part fatigue shaking test machine according to claim 1 or 2,
It is characterized in: is provided with hydraulic bolt hole on experiment table top, the upper plane for testing table top opens up dovetail groove.
4. a kind of damping rack applied to gas engine part fatigue shaking test machine according to claim 1 or 2,
It is characterized in: the upper plane setting striped of the first-the six steel plate of platform steel plate.
5. a kind of damping rack applied to gas engine part fatigue shaking test machine according to claim 3, special
Sign is: striped is arranged in the upper plane of the first-the six steel plate of platform steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920640714.7U CN209589483U (en) | 2019-05-07 | 2019-05-07 | A kind of damping rack applied to gas engine part fatigue shaking test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920640714.7U CN209589483U (en) | 2019-05-07 | 2019-05-07 | A kind of damping rack applied to gas engine part fatigue shaking test machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209589483U true CN209589483U (en) | 2019-11-05 |
Family
ID=68347124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920640714.7U Active CN209589483U (en) | 2019-05-07 | 2019-05-07 | A kind of damping rack applied to gas engine part fatigue shaking test machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209589483U (en) |
-
2019
- 2019-05-07 CN CN201920640714.7U patent/CN209589483U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105067238B (en) | A kind of flexible member big load fatigue experimental device and test method and installation method | |
| CN105651495B (en) | Swing arm class part durability degree test-bed | |
| CN104697758B (en) | Two power rod member test-beds | |
| CN110006657A (en) | A kind of damping rack applied to gas engine part fatigue shaking test machine | |
| CN209589483U (en) | A kind of damping rack applied to gas engine part fatigue shaking test machine | |
| CN109990967B (en) | Dynamic and fatigue performance detection device and method for steel rail assembly fastener system | |
| CN209439834U (en) | Fixed platform is used in a kind of cutting of steel construction | |
| JP3660225B2 (en) | Biaxial material strength tester | |
| CN207850709U (en) | A kind of automobile suspended fatigue tester | |
| CN209182005U (en) | Leaf spring fatigue test device | |
| CN203672600U (en) | Two-force rod test bench | |
| CN113503336B (en) | Constant-accurate zero-rigidity vibration isolator | |
| Zhang et al. | Mechanism investigation on fatigue failure in threaded hole of the main bearing in high-strength diesel engine | |
| CN113218642B (en) | Transverse steel damper test method and test device | |
| CN207905107U (en) | A kind of steel damper and assembling-type metal energy-dissipation beam column node | |
| CN109297694A (en) | A kind of anti-side rolling torsion rod fatigue experimental device and method | |
| CN112082865B (en) | Novel device for buckling test of inclined strut | |
| Kacani | Vibration analysis in reciprocating compressors | |
| CN101509859A (en) | Frictional wear test device for pin friction pairs | |
| CN208721381U (en) | A kind of abnormity type component loading device | |
| CN209524788U (en) | A kind of heat-exchangers of the plate type top guide bar and heat-exchangers of the plate type with reinforcement structure | |
| CN207796533U (en) | A kind of H profile steel and pipe sub-assembly | |
| CN106051385A (en) | Underframe for generator set installation | |
| CN203392757U (en) | Railway crane underframe and railway crane | |
| CN209143521U (en) | Tower crane hydraulic jacking system test platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |