CN205209785U - Low -floor bus axle housing axial force and brake force is frock for load test simultaneously - Google Patents
Low -floor bus axle housing axial force and brake force is frock for load test simultaneously Download PDFInfo
- Publication number
- CN205209785U CN205209785U CN201520947532.6U CN201520947532U CN205209785U CN 205209785 U CN205209785 U CN 205209785U CN 201520947532 U CN201520947532 U CN 201520947532U CN 205209785 U CN205209785 U CN 205209785U
- Authority
- CN
- China
- Prior art keywords
- axle housing
- force
- axial
- counter
- seat
- 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.)
- Expired - Fee Related
Links
Landscapes
- Vehicle Body Suspensions (AREA)
Abstract
The utility model relates to a low -floor bus axle housing axial force and brake force is frock for load test simultaneously, braking counter force seat and the equal fastening connection of axial counter force seat are on the test bench, the fastening connection has the square chest on the test bench, the one end and the square chest of axle housing pass through the bolt -up and are connected, the other end and the connecting block of axle housing pass through the bolt -up and are connected, the connecting block lower extreme is fixed on the connecting seat, the connecting seat actuate the jar connecting axle to counter force seat with one side that the axle housing axis is parallel through the axial, counter force seat is brakied in being connected through the braking actuator on one side of axle housing axis vertically of connecting seat, the connecting seat lower extreme is placed on the test bench. The utility model discloses an apply brake force through the simulation of braking actuator to the axle housing, the axial actuates the jar simulation and applys the axial force from the axle housing axial, carries out the fatigue loading experiment to the axle housing under axial force and brake force combined action to make the experimental accuracy that more is close the true atress condition, assurance test result of axle housing fatigue loading.
Description
technical field:
The utility model relates to passenger vehicle load test technical field of tools, is specifically related to a kind of low-floor bus axle housing axial force and damping force load test frock simultaneously.
background technology:
Along with China's public transport operating mode is improved day by day, upper inferior requirement promotes day by day fast, and public transport comfortableness demand increases day by day, and low-floor public transport is arisen at the historic moment as the leading vehicle of bus rapid transit.Low-floor bus requires that the floor of bus is low as much as possible, in order to facilitate the upper and lower bus of passenger, for reaching the object reducing public bus floor, technician develops a kind of bus vehicle bridge of low-floor, and it is high at axle housing two ends, to lower recess in the middle part of axle housing crossbeam, axle housing two ends are far away higher than the crossbeam in the middle part of axle housing, bus vehicle body is arranged on crossbeam, the height reduction of crossbeam, then reach the object reducing public bus floor.
Along with the development of bus technology, the requirement of market to the security of public transport also progressively improves.And the fatigue safety of bus axle housing is the important component part of bus safety.In axle housing R&D process, fatigue loading test is the important step ensureing the security of public transport axle housing, and stress when requiring this load test to simulate bus actual motion as much as possible, ensures the accuracy of load test structure as much as possible.But, due to the singularity of low floor vehicle bridge construction, during bench test, the clamping of low-floor axle housing has become a generally acknowledged difficult problem, and, as everyone knows, the power more complicated that in bus driving process, vehicle bridge will be born, vehicle bridge is except bearing the pressure vertically downward from vehicle body, also to bear the damping force that when wheel limit structure brings axial force and the bus braking of axle housing, drag friction brings to vehicle bridge, and existing axle housing load test is all the fatigue experiment carried out to the vertical force that axle housing applies for vehicle body mostly, axle housing load test under axial force and damping force act on simultaneously, also lack corresponding testing equipment.
utility model content:
In sum, in order to overcome the deficiency of prior art problem, the utility model provides a kind of low-floor bus axle housing axial force and damping force load test frock simultaneously, it is on testing table, arrange two counter-force seats, two counter-force seats connect brake actuator and axial start cylinder respectively, brake actuator simulation applies damping force to axle housing, axial start cylinder simulation axially applies axial force from axle housing, under axial force and damping force acting in conjunction, fatigue loading test is carried out to axle housing, thus axle housing fatigue loading is tested closer to true stressing conditions, the accuracy of warranty test result.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of low-floor bus axle housing axial force and damping force load test frock simultaneously, wherein: comprise testing table, axial start cylinder, contiguous block, Connection Block, brake actuator, square chest, braking counter-force seat and axial counter-force seat, described braking counter-force seat and axial counter-force seat are all fastenedly connected on testing table, testing table is fastenedly connected with square chest, one end and the square chest of axle housing are bolted connection, the other end and the contiguous block of axle housing are bolted connection, contiguous block lower end is fixed on Connection Block, Connection Block with the side of axle housing axis being parallel by axial start cylinder coupling shaft to counter-force seat, counter-force seat is braked in being connected by brake actuator with the side of axle housing axes normal of Connection Block, Connection Block lower end is placed on testing table.
Further, described testing table is provided with two suspension brackets, axial start cylinder and brake actuator are lifted on suspension bracket respectively by lifting screw rod and spring.
Further, described testing table is provided with multiple dovetail groove, braking counter-force seat lower end, axial counter-force seat lower end and square chest lower end are connected in dovetail groove respectively by bolted.
Further, described square chest is provided with multiple bolt hole from top to bottom.
The beneficial effects of the utility model are:
1, the utility model is on testing table, arrange two counter-force seats, two counter-force seats connect brake actuator and axial start cylinder respectively, brake actuator simulation applies damping force to axle housing, axial start cylinder simulation axially applies axial force from axle housing, under axial force and damping force acting in conjunction, fatigue loading test is carried out to axle housing, thus axle housing fatigue loading is tested closer to true stressing conditions, the accuracy of warranty test result.
2, the adaptation of product is good
Just can meet the axle housing test of different size by changing contiguous block, the axle housing that just can meet different kinds of tyre radius by changing Connection Block is tested, and standardization, versatility are good.
3, processing, low cost of manufacture
Various frocks in the utility model are simple welding, machine adds part, and get the raw materials ready fairly simple, frock accuracy requirement is lower, processing, cheap for manufacturing cost.
accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model.
embodiment:
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, a kind of low-floor bus axle housing axial force and damping force load test frock simultaneously, comprise testing table 1, axial start cylinder 11, contiguous block 6, Connection Block 8, brake actuator 3, square chest 4, braking counter-force seat 2 and axial counter-force seat 12, described braking counter-force seat 2 and axial counter-force seat 12 are all fastenedly connected on testing table 1, testing table 1 is fastenedly connected with square chest 4, square chest 4 is provided with multiple bolt hole from top to bottom, one end and the square chest 4 of axle housing 5 are bolted connection, the other end and the contiguous block 6 of axle housing 5 are bolted connection, contiguous block 6 lower end is fixed on Connection Block 8, Connection Block 8 with the side of axle housing 5 axis being parallel by axial start cylinder 11 coupling shaft to counter-force seat 12, counter-force seat 2 is braked in being connected by brake actuator 3 with the side of axle housing 5 axes normal of Connection Block 8, Connection Block 8 lower end is placed on testing table 1.Described testing table 1 is provided with two suspension brackets 10, axial start cylinder 11 and brake actuator 3 are lifted on suspension bracket 10 respectively by lifting screw rod 7 and spring 9.Described testing table 1 is provided with multiple dovetail groove 13, and braking counter-force seat 2 lower end, axial counter-force seat 12 lower end and square chest 4 lower end are connected in dovetail groove 13 respectively by bolted.
During use, start axial start cylinder 11 and brake actuator 3, axial start cylinder 11 applies axial force to axle housing 5 from the side, the axial force that public transport wheel limit structure is brought to axle housing 5 simulated by axial start cylinder 11, to the damping force that axle housing 5 applies during brake actuator 3 bus skidding, thus under realizing axial force and damping force acting in conjunction, fatigue loading test is carried out to axle housing 5.
Square chest 4 of the present utility model arranges multiple bolt hole from top to bottom, axle housing 5 is connected with square chest 4 bolted, therefore, the position of the bolt hole that adjustable axle housing 5 is connected with square chest 4, regulate the connection height of axle housing 5 and square chest 4, thus regulate height and the horizontal level of tested axle housing 5, axial force and damping force loading can be realized easily.
The utility model, by changing Connection Block 8, changes the height of Connection Block 8, reaches the object of the different tire radius of simulation.
Testing table 1 of the present utility model is provided with multiple dovetail groove 13, braking counter-force seat 2 lower end, axial counter-force seat 12 lower end and square chest 4 lower end are connected in dovetail groove 13 respectively by bolted, unclamp fastening bolt class adjustable brake counter-force seat 2, axial counter-force seat 12 or the installation site of square chest 4 on testing table 1.
Be noted that, above-described embodiment is unrestricted to the explanation of technical solutions of the utility model, the equivalent replacement of art those of ordinary skill or other amendment made according to prior art, as long as do not exceed thinking and the scope of technical solutions of the utility model, all should be included within the interest field required by the utility model.
Claims (4)
1. a low-floor bus axle housing axial force and damping force load test frock simultaneously, it is characterized in that: comprise testing table (1), axial start cylinder (11), contiguous block (6), Connection Block (8), brake actuator (3), square chest (4), braking counter-force seat (2) and axial counter-force seat (12), described braking counter-force seat (2) and axial counter-force seat (12) are all fastenedly connected on testing table (1), testing table (1) is fastenedly connected with square chest (4), one end and the square chest (4) of axle housing (5) are bolted connection, the other end and the contiguous block (6) of axle housing (5) are bolted connection, contiguous block (6) lower end is fixed on Connection Block (8), Connection Block (8) with the side of axle housing (5) axis being parallel by axial start cylinder (11) coupling shaft to counter-force seat (12), counter-force seat (2) is braked in being connected by brake actuator (3) with the side of axle housing (5) axes normal of Connection Block (8), Connection Block (8) lower end is placed on testing table (1).
2. low-floor bus axle housing axial force according to claim 1 and damping force load test frock simultaneously, it is characterized in that: described testing table (1) is provided with two suspension brackets (10), axial start cylinder (11) and brake actuator (3) are lifted on suspension bracket (10) respectively by lifting screw rod (7) and spring (9).
3. low-floor bus axle housing axial force according to claim 1 and damping force load test frock simultaneously, it is characterized in that: described testing table (1) is provided with multiple dovetail groove (13), braking counter-force seat (2) lower end, axial counter-force seat (12) lower end and square chest (4) lower end are connected in dovetail groove (13) respectively by bolted.
4. low-floor bus axle housing axial force according to claim 1 and damping force load test frock simultaneously, is characterized in that: described square chest (4) is provided with multiple bolt hole from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520947532.6U CN205209785U (en) | 2015-11-25 | 2015-11-25 | Low -floor bus axle housing axial force and brake force is frock for load test simultaneously |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520947532.6U CN205209785U (en) | 2015-11-25 | 2015-11-25 | Low -floor bus axle housing axial force and brake force is frock for load test simultaneously |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205209785U true CN205209785U (en) | 2016-05-04 |
Family
ID=55847494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520947532.6U Expired - Fee Related CN205209785U (en) | 2015-11-25 | 2015-11-25 | Low -floor bus axle housing axial force and brake force is frock for load test simultaneously |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205209785U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108842621A (en) * | 2018-05-21 | 2018-11-20 | 中交二航局第二工程有限公司 | Girder steel closes up interval regulating process |
-
2015
- 2015-11-25 CN CN201520947532.6U patent/CN205209785U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108842621A (en) * | 2018-05-21 | 2018-11-20 | 中交二航局第二工程有限公司 | Girder steel closes up interval regulating process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101216376B (en) | Four-column type rail vehicle bogie rigidity detection system | |
| CN102928239B (en) | Experimental rack and experimental platform for testing multi-axle steering | |
| CN204694462U (en) | Passenger car axle torture test axle housing clamping bracing or strutting arrangement | |
| CN205981630U (en) | Car rubber bush load pressure detection device | |
| CN104897412B (en) | Passenger car axle bench test loading device | |
| CN205209785U (en) | Low -floor bus axle housing axial force and brake force is frock for load test simultaneously | |
| CN202547845U (en) | Rotating arm type axle box force measuring device | |
| CN201145641Y (en) | System for detecting four-pillar type rail vehicle steering frame rigidity | |
| CN205209784U (en) | Low -floor bus axle housing vertical force and brake force is frock for load test simultaneously | |
| CN205209783U (en) | Vertical axial of low -floor bus axle housing is frock for load test simultaneously | |
| CN103592069A (en) | A clamping force detecting tool and a clamping force detecting method for a braking clamp of a railway vehicle | |
| CN207215439U (en) | For vehicle suspension leaf spring three-dimensional Dynamic performance examination equipment | |
| CN211477639U (en) | Force measuring device for suspension system of power assembly of commercial vehicle | |
| CN204694481U (en) | Passenger car axle bench test charger | |
| CN205981725U (en) | Bogie tread brake seat load loading device | |
| CN107796552A (en) | A kind of component of engine mounting three test installing component and three component test devices | |
| CN205192892U (en) | Lowland slab bridge shell damped condition fatigue frock for bench test | |
| CN204944416U (en) | Spindle deformation detecting tool | |
| CN204085899U (en) | A kind of vehicle body clamping device | |
| CN203929408U (en) | High-speed train bogie axle box fatigue test frock | |
| CN203791970U (en) | Module assemblingtire for railway wagon brake device | |
| CN204748403U (en) | Passenger train rigidity anchor clamps for front axle multi freedom fatigue test | |
| CN202744270U (en) | Automobile elevator with adjustable support legs | |
| CN105371934B (en) | Low-floor tramcar bogie wheel unloading test tool | |
| CN206496912U (en) | A kind of automobile front axle run-in stand |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 Termination date: 20181125 |