CN87214474U - Steel rail static bending testing machine - Google Patents
Steel rail static bending testing machine Download PDFInfo
- Publication number
- CN87214474U CN87214474U CN 87214474 CN87214474U CN87214474U CN 87214474 U CN87214474 U CN 87214474U CN 87214474 CN87214474 CN 87214474 CN 87214474 U CN87214474 U CN 87214474U CN 87214474 U CN87214474 U CN 87214474U
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- plunger
- cylinder body
- unsteady
- housed
- oilhole
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Abstract
The utility model relates to a steel rail static bending testing machine, which tests mechanical stress by using non-detachable rail string joints with impressing stable hydraulic pressure. In order to provide a steel rail static bending testing machine which has the advantages of small volume, simple structure and safe utilization and a display printing system which provides convenience for analytical investigation, the utility model discloses a steel rail static bending testing machine, a floating plunger cylinder which is provided with a buffering piston oil cylinder and is arranged on the lower frame rack of the machine frame of a host machine through a buffering seat, and a detecting control system which is composed of the host machine of a protecting joist which is connected with an upper frame rack with elastic hanging, a single-board computer, a sensor, an amplifier, a display, a typewriter and an open reel tape machine. The utility model makes use of the structure of hydraulic pressure and mechanical cushioning to buffer impact force, and displays, prints and stores experimental results.
Description
The utility model belongs to the steel rail weld joint mechanical stress testing experiment equipment that applies stable hydraulic pressure.
Be check rail welding quality at present, abroad, as 200 tons of quiet benders of rail that France adopts tensimeter to show, this quiet bender structure benzene is heavy, and inconvenience is installed on China's rail welding plant production line; Display system falls behind, and is not easy to analysis and research; And in process of the test to equipment and the person the security protection difficulty.
For providing a kind of volume little, simple in structure, safe and reliable, and have the quiet curved testing machine of the rail of being convenient to analyze and research, the utility model is proposed.
The utility model is made up of main frame, hydraulic system and detection system.Main frame has the frame of being made up of four root posts and the upper frame that is connected by four root posts and underframe, and the unsteady plunger cylinder of band damper piston oil cylinder is installed on the frame underframe through buffing pad.Float plunger cylinder by float cylinder body, hollow plunger, place damper piston bar that the plunger hollow parts is connected with unsteady cylinder body and the damper piston that is contained on the damper piston bar to form.With the inner protective trough that forms of fence rail that resilient suspension is connected with the frame upper frame, bottom land has the roller that a row lays rail joint.In the fence rail both sides steel, wooden screen are housed.The pressure supporting seat of band arc surface is housed in the upper frame both sides, and pressure roller places in the pressure supporting seat arc surface.
With unsteady plunger cylinder and the hydraulic system that is communicated with of buffering piston oil-cylinder have be communicated with the fuel tank of being with filtrator and 3-position 4-way solenoid directional control valve respectively by electric motor driven high-pressure oil pump, on the pipeline of high-pressure oil pump and the connection of 3-position 4-way solenoid directional control valve, tensimeter and safety valve are housed, on 3-position 4-way solenoid directional control valve and pipeline that unsteady plunger case is connected, flow control valve and pressure transducer are housed, on 3-position 4-way solenoid directional control valve and pipeline that the damper piston oil cylinder is connected, low pressure relief valve are housed.
Detect control system and have control desk, single card microcomputer, pressure transducer and amplifier thereof, displacement transducer and the amplifier thereof that is connected with stabilized voltage supply, the amplifier of pressure transducer and displacement transducer is connected with single card microcomputer through converter respectively, and single card microcomputer reaches with microwriter with display through interface respectively and directly is connected with the open reel tape machine.Pressure transducer places on the oil inlet pipe on the plunger cylinder in the system, and displacement transducer is contained in plunger head.
The utility model adopts the unsteady plunger cylinder of band damper piston oil cylinder and buffing pad, the enormous impact power that produces when utilizing the fracture of hydraulic pressure and mechanical damping structure buffer test process rail joint.The fence rail of the band protective trough of orienting lug, steel wooden screen and roller is housed, makes the top central lines of test specimen end face center line and plunger upper part, not only be beneficial to test specimen location, and prevent effectively that disconnected rail from collapsing and wound the people, raising equipment and personal safety.Detection control system in the utility model can show test findings and print test findings automatically through printer in process of the test from display, and by simple operations, test findings lead-in spiral machine is stored, so that analyze, thereby reach the purpose of this utility model.
Fig. 1 is the utility model main frame front elevation
Fig. 2 is the utility model host computer side view
Fig. 3 is the utility model main frame upward view
Fig. 4 is an A-A sectional view among Fig. 3
Fig. 5 is a B-B cut-open view among Fig. 3
Fig. 6 is the plunger cylinder structural representation that floats
Fig. 7 is the resilient suspension structural drawing
Fig. 8 is the utility model detection system block scheme
Fig. 9 is the utility model hydraulic system block scheme
Below in conjunction with accompanying drawing the utility model is described in further detail.
The utility model is made up of main frame, hydraulic system and detection control system.Main frame has by column 1,2,3,4 and by column 1,2,3, the frame 7 that 4 upper frames 5 that connect and underframe 6 are formed, the unsteady plunger cylinder 8 of band damper piston oil cylinder is enclosed within the buffing pad 9 and through buffing pad 9 and is installed on the frame underframe 6, float plunger cylinder 8 by unsteady cylinder body 10, hollow plunger 11 is formed with the piston 14 that places plunger 11 hollow parts, the 12 interior piston rods that are connected with unsteady cylinder body 10 13 and be contained on the piston rod 13, on piston rod 13, has the piston of making 14, the oilhole 17 that the oilhole 16 of cavity 15 between piston rod 13 and the plunger 11 on the cylinder body 10 that floats is communicated with hydraulic system, 18, have on the cylinder body 10 that floats and make cavity 19 and the oilhole 20 of hydraulic system connection and the pore 21 that communicates with atmosphere between plunger 11 and the unsteady cylinder body 10.Between piston rod 13 and piston 14 and plunger 11 inside surfaces, between plunger 11 and unsteady cylinder body 10 inside surfaces packoff is housed.Top 22 is equipped with at the top of plunger 11.The buffing pad 9 that is installed on the underframe 6 has hat seat shell 23, in the space 25 that hat seat shell 23 and unsteady oil cylinder 10 peripheral outer lips 24 form several buffer springs 26 is housed.
The pressure supporting seat 31,32 of the above inner arc surface 29,30 of band half cycle is housed in the bottom surface of the curb girder 27,28 of upper frame 5, places in the arc surface 29,30 with the pressure roller 33,34 that is fixed on the pressing plate location on the pressure supporting seat 31,32 respectively.The fence rail 38 that forms the protective trough 37 of placing orienting lug 35,36 utilizes resilient suspension 39,40 to be installed on the upper frame 5, orienting lug 35,36 with the inside surface that matches with the rail head shape places in the protective trough 37, below fence rail 38,, the pin-and-hole that passes bearing pin 42,43 is arranged above it by the raceway of forming by roller 41.Steel, wooden baffle plate 45,46,47,48 are housed at the two ends of fence rail 38. Resilient suspension 39,40 by the spring housing 51 of dress hold-down nut 49,50 in having, is equipped with spring 52,53 respectively in the both sides spring housing 51 of nut 49,50, spring 52,53 other ends are fixing with back-up ring 54,55.The screw rod 59 that has suspension hook 56 screw rods 58 and have suspension ring 57 is screwed into respectively in the nut 49,50, and is connected with fence rail 38 with upper frame 5 on the frame 7 by suspension hook 56, suspension ring 57.
Hydraulic system has respectively that is connected with the fuel tank 61 of band filtrator 60 and 3-position 4-way solenoid directional control valve 62 and by the high-pressure oil pump 64 of motor 63 drivings, on high-pressure oil pump 64 and pipeline 65 that 3-position 4-way solenoid directional control valve 62 is communicated with, tensimeter 66 and safety valve 67 are housed, flow control valve 69 and pressure transducer 70 are housed on connecting line 68 between the oilhole 20 on 3-position 4-way solenoid directional control valve 62 and the unsteady cylinder body 10, on the connecting line 71 low pressure relief valve 72 are being housed between the oilhole 16 on 3-position 4-way solenoid directional control valve 62 and the unsteady cylinder body 10.
Detect control system and have the control desk 74, the single card microcomputer 75 that are connected with stabilized voltage supply 73, place pressure transducer 70 and amplifier 76 thereof on the pipeline 68, place the displacement transducer 77 and the amplifier 78 thereof of plunger 11 tops and unsteady cylinder body 10 outsides to be connected with single card microcomputer 75 through A/D converter 79 respectively, single card microcomputer 75 respectively through interface and light-emitting diode display 80 and TD801P-16 microwriter 81 with directly be connected with open reel tape machine 82.
During the testing machine operation, steel rail weld joint is put between two parties the protective trough 37 of fence rail 38 with weld seam, make the weld seam of test specimen and the central lines of top 22, test specimen end face center line aligns with protective trough 37 bottom centre's lines, put orienting lug 35 well, 36, put into steel wooden screen 45 respectively at fence rail 38 two ends, 46,47,48, load onto the bearing pin 42 on the fence rail, 43, open the power switch on the control desk 74, open gauge tap again, the control pilot lamp is bright, and prompt " P " appears in light-emitting diode display 80, be in out the position, stop after 81 startups of TD801P-16 mini-printer and sky are made a call to two row.Start oil pump motor 63, handle 62 to one of 3-position 4-way solenoid directional control valves, the pressure oil of high-pressure oil pump 64 is through the path of 3-position 4-way solenoid directional control valve 62, pipeline 68, variable valve 69, enter from oilhole 20 in the cavity 19 of the plunger cylinder that floats, plunger 11 rises, and make hydraulic oil in the cavity 15 through oilhole 17,18,16, the path of pipeline 71 and 3-position 4-way solenoid directional control valve 62 enters fuel tank 61, plunger 11 rises top 22 is contacted with test specimen, light-emitting diode display 80 shows test figure, rupture until test specimen, this moment, the upwards impulsive force of unsteady plunger cylinder 8 was absorbed by the hydraulic oil in buffing pad 9 and the cavity 15,62 to two of three position four-way directional control valves, hydraulic system pressure returns zero, TD801P-16 microwriter 81 prints test figure and curve automatically, and through manually operation lead-in spiral machine 82 storages.Take out fence rail 38 two ends steel wooden screens 45,46,47,48 then, take out fracture specimen, handle 62 to three of 3-position 4-way solenoid directional control valves, high-pressure oil pump 64 pressure oils enter cavity 15 through path, the pipeline 71 of 3-position 4-way solenoid directional control valve 62 from oilhole 16,18,17, plunger 11 is descended, and the pressure oil in the cavity 19 is returned into fuel tank 61 through the path of oilhole 20, pipeline 68, throttling valve 69,3-position 4-way solenoid directional control valve 62, plunger 11 is got back to original position.
Claims (1)
1, a kind of quiet curved testing machine of being made up of main frame, hydraulic system and detection system of rail, main frame have frame 7, hydraulic jack and the fence rail of being made up of column 1,2,3,4 and the upper frame 5 that is connected by column 1,2,3,4 and underframe 6 38; Hydraulic system has respectively high-pressure oil pump 64 that be connected with the fuel tank 61 of filtrator 60 and 3-position 4-way solenoid directional control valve 62 and that driven by motor 63, on high-pressure oil pump 64 and pipeline 65 that 3-position 4-way solenoid directional control valve 62 is communicated with, tensimeter 66 and safety valve 67 are housed, on the connecting line flow control valve 69 is being housed between the oilhole 20 on 3-position 4-way solenoid directional control valve 62 and the unsteady cylinder body 10, on the connecting line 71 low pressure relief valve 72 is being housed between the oilhole 16 on 3-position 4-way solenoid directional control valve 62 and the unsteady cylinder body 10, it is characterized in that described hydraulic jack is the unsteady plunger cylinder 8 that has the damper piston oil cylinder, it is enclosed within the buffing pad 9, and be installed on the frame underframe 6 through buffing pad 9, float plunger cylinder 8 by unsteady cylinder body 10, hollow plunger 11 is formed with the piston 14 that places plunger 11 hollow parts, the 12 interior piston rods that are connected with unsteady cylinder body 10 13 and be contained on the piston rod 13, on piston rod 13, has the piston of making 14, the oilhole 17 that the oilhole 16 of cavity 15 between piston rod 13 and the plunger 11 on the cylinder body 10 that floats is connected with hydraulic system, 18, float to have on the cylinder body 10 and make cavity 19 and the oilhole 20 of hydraulic system connection between plunger 11 and the unsteady cylinder body 10 and identical pore 21 with atmosphere, top 22 is equipped with at the top of plunger 11, the buffing pad 9 that is installed on the underframe 6 has hat seat shell 23, in the space 25 that hat seat shell 23 and unsteady oil cylinder 10 peripheral outer lips 24 form several buffer springs 26 is housed; The pressure supporting seat 31,32 of the above inner arc surface 29,30 of band half cycle is housed in the bottom surface of the curb girder 27,28 of upper frame 5, places in the arc surface 29,30 with the pressure roller 33,34 that is fixed on the pressing plate location on the pressure supporting seat 31,32 respectively; The fence rail 38 that utilizes resilient suspension 39,40 to be installed on the upper frame 5 has protective trough 37, orienting lug 35,36 with the inside surface that matches with the rail head shape places in the protective trough 37, below fence rail 38,, steel, wooden baffle plate 45,46,47,48 are housed in fence rail 38 both sides by the raceway of forming by roller 41; Detect control system and have the control desk 74, the single card microcomputer 75 that are connected with stabilized voltage supply 73, place pressure transducer 70 and amplifier 76 thereof on the pipeline 68, place the displacement transducer 77 and the amplifier 78 thereof of plunger 11 tops and unsteady cylinder body 10 outsides to be connected with single card microcomputer 75 through A/D converter 79 respectively, single card microcomputer 75 respectively through interface and light-emitting diode display 80 and TD801P-16 microwriter 81 with directly be connected with open reel tape machine 82.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87214474 CN87214474U (en) | 1987-10-23 | 1987-10-23 | Steel rail static bending testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87214474 CN87214474U (en) | 1987-10-23 | 1987-10-23 | Steel rail static bending testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN87214474U true CN87214474U (en) | 1988-08-17 |
Family
ID=4828788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87214474 Withdrawn CN87214474U (en) | 1987-10-23 | 1987-10-23 | Steel rail static bending testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN87214474U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102042923A (en) * | 2010-11-11 | 2011-05-04 | 江苏省交通科学研究院股份有限公司 | Indoor grinding and forming instrument of bituminous mixture test specimen and forming control method thereof |
| CN103302150A (en) * | 2012-03-13 | 2013-09-18 | 上海工程技术大学 | Measurement and control system for steel rail static bending machine |
| CN104154759A (en) * | 2014-07-22 | 2014-11-19 | 广西梧州运龙港船机械制造有限公司 | Brick trolley transferring device |
| CN110672429A (en) * | 2019-10-25 | 2020-01-10 | 成都西交轨道交通技术服务有限公司 | Steel rail static bending test device and monitoring system |
-
1987
- 1987-10-23 CN CN 87214474 patent/CN87214474U/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102042923A (en) * | 2010-11-11 | 2011-05-04 | 江苏省交通科学研究院股份有限公司 | Indoor grinding and forming instrument of bituminous mixture test specimen and forming control method thereof |
| CN102042923B (en) * | 2010-11-11 | 2013-10-02 | 江苏省交通科学研究院股份有限公司 | Indoor grinding and forming instrument of bituminous mixture test specimen and forming control method thereof |
| CN103302150A (en) * | 2012-03-13 | 2013-09-18 | 上海工程技术大学 | Measurement and control system for steel rail static bending machine |
| CN104154759A (en) * | 2014-07-22 | 2014-11-19 | 广西梧州运龙港船机械制造有限公司 | Brick trolley transferring device |
| CN104154759B (en) * | 2014-07-22 | 2016-08-24 | 广西梧州运龙港船机械制造有限公司 | Brick car transporter |
| CN110672429A (en) * | 2019-10-25 | 2020-01-10 | 成都西交轨道交通技术服务有限公司 | Steel rail static bending test device and monitoring system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |