CN202916085U - A hydraulic loading static force testing machine - Google Patents

A hydraulic loading static force testing machine Download PDF

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Publication number
CN202916085U
CN202916085U CN 201220647121 CN201220647121U CN202916085U CN 202916085 U CN202916085 U CN 202916085U CN 201220647121 CN201220647121 CN 201220647121 CN 201220647121 U CN201220647121 U CN 201220647121U CN 202916085 U CN202916085 U CN 202916085U
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CN
China
Prior art keywords
hydraulic
screw mandrel
crossbeam
motor
installed surface
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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
Application number
CN 201220647121
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Chinese (zh)
Inventor
刘瑞新
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Civil Aviation College
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Guangzhou Civil Aviation College
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Filing date
Publication date
Application filed by Guangzhou Civil Aviation College filed Critical Guangzhou Civil Aviation College
Priority to CN 201220647121 priority Critical patent/CN202916085U/en
Application granted granted Critical
Publication of CN202916085U publication Critical patent/CN202916085U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a hydraulic loading static force testing machine. The hydraulic loading static force testing machine comprises a horizontal beam in parallel with an installing plane, screw rods perpendicular to the installing plane, a motor, a hydraulic oil cylinder, an AC electric pump connected with the hydraulic oil cylinder, screw nuts, and a transmission mechanism. The motor, the hydraulic oil cylinder, and the AC electric pump are disposed on the horizontal beam. The screw nuts are respectively hinged to two ends of the horizontal beam and move up and down along the screw rods. The internal screw thread of the screw nuts are meshed with the external screw thread of the screw rods. The transmission mechanism comprises a driving wheel fixed on the rotor of the motor, a guide pulley which is fixedly connected with screw nuts and which is rotated with the screw nuts coaxially, and a synchronous belt meshed with the driving wheel and the guide pulley. The hydraulic loading static force testing machine has advantages of performing tension or pressure detection on a tested device, easy use, and accurate tested data.

Description

Hydraulic loaded formula static(al) test machine
Technical field
The utility model relates to a kind of hydraulic loaded formula static(al) test machine.
Background technology
At present, when the aeronautical maintenance hanging device being carried out the reliability detection, all adopt crane as loading equipemtn, the lifting device that need are detected applies test load.The disadvantage of this class loading equipemtn is: loading procedure is not steady, might cause the damage of lifting device, and it is inaccurate to load simultaneously data.
The utility model content
The purpose of this utility model is that a kind of hydraulic loaded formula static(al) test machine will be provided, one or more in can addressing the above problem.
According to an aspect of the present utility model, a kind of hydraulic loaded formula static(al) test machine is provided, comprise the crossbeam that is parallel to installed surface, be vertical at the screw mandrel of installed surface, be located at motor, hydraulic jack and the alternating-current electric pump that is connected with hydraulic jack on the crossbeam, the nut that is hinged on the external thread engagement of crossbeam two ends, internal thread and screw mandrel, moves up and down along screw mandrel, and gear train; Gear train comprises the epitrochanterian power wheel that is fixed in motor, be fixedly connected with nut and the angle sheave of coaxial rotation and be engaged on power wheel and angle sheave on Timing Belt.
The utility model hydraulic loaded formula static(al) test machine can carry out pulling force or pressure detection to measured device, and is easy to use, and it is accurate to detect data.
In some embodiments, also comprise the column that is fixedly connected with the screw mandrel top perpendicular to installed surface, top.Thus, have and support and the constraint screw mandrel, make the whole system structure reach more firm effect.
In some embodiments, also comprise the buttress brace of being located at the column top, being parallel to installed surface.Thus, has the more firm effect of supporting structure of strengthening whole system.
In some embodiments, also comprise the ground foot rest that is tiled in installed surface, the lower end of screw mandrel and column is fixed on the ground foot rest.Thus, have fixedly measured device, be convenient to carry out the effect of the device loading of static(al) test to needs.
In some embodiments, also comprise tension-compression sensor on the piston rod that is connected to hydraulic jack.Thus, having can real time record and monitor the effect of load applying process.
Description of drawings
Fig. 1 is the front schematic view of the hydraulic loaded formula static(al) test machine of a kind of embodiment of the utility model.
Fig. 2 is the side schematic view of the hydraulic loaded formula static(al) test machine of a kind of embodiment of the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
Fig. 1 and Fig. 2 have schematically shown the structure according to the hydraulic loaded formula static(al) test machine of a kind of embodiment of the present utility model.
As depicted in figs. 1 and 2, this hydraulic loaded formula static(al) test machine comprises: hydraulic jack 1, alternating-current electric pump 13, motor 2, column 3, screw mandrel 4, crossbeam 5, foot rest 7, nut 8, bracing frame 72 and gear train 6.
Gear train 6 comprises power wheel 61, angle sheave 63 and Timing Belt 62.Timing Belt 62 is engaged on power wheel 61 and angle sheave 63 outsides, forms a complete transmission loop.Stretching pulleys a plurality of and Timing Belt 62 engagements can also be set in gear train 6.In the present embodiment, gear train 6 is chain transmissions, and Timing Belt 62 is chains, and power wheel 61 and angle sheave 63 are sprocket wheels.In other embodiments, gear train 6 can also be the band transmission, and Timing Belt 62 is flexible-belts, and power wheel 61 and angle sheave 63 are belt wheels.
Ground foot rest 7 is tiled on the installed surface.Two root posts 3 and two rhizoid bars 4 are all perpendicular to installed surface, and the lower end all is fixed on the ground foot rest 7.Bracing frame 72 is fixed on the ground foot rest 7, forms at the bottom of column 3 column 3 and supports.Buttress brace 9 is parallel to installed surface, and two ends are separately fixed at the top of two root posts 3.The top of every rhizoid bar 4 is fixedly connected with the top of a root post 3 respectively.The employing diameter is that No. 45 steel of 110mm are processed screw mandrel 4 as blank, does afterwards thermal treatment again.
Crossbeam 5 is parallel to installed surface, adopts the thick A30 Plate Welding of 30mm to become whole bearing member, then does thermal treatment.The below, two ends of crossbeam 5 is hinged with respectively a nut 8.The external thread engagement of the internal thread of nut 8 and screw mandrel 4, nut 8 can move up and down along screw mandrel 4, drives crossbeam 5 and moves up and down.Angle sheave 63 is fixedly connected with and coaxial rotation with nut.Upper surface of contact at nut 8 is equipped with thrust bearing, and the upper surface of thrust bearing contacts with the lower surface of crossbeam 5.Constraint guide wheel 51 is installed between crossbeam 5 and column 3, crossbeam 5 can only be moved up and down in affined situation.
Motor 2, hydraulic jack 1 and the alternating-current electric pump 13 that is connected with hydraulic jack 1 are fixedly mounted on the upper of crossbeam 5.
The stator of motor 2 is fixedly mounted on the top of crossbeam 5, and the rotor of motor 2 is fixedly connected with power wheel 61 by rotation axis, and rotation axis passes crossbeam from top to bottom, and power wheel 61 and crossbeam 5 are hinged on the below of crossbeam 5.After motor 2 energisings, the rotor of motor 2 drives power wheel 61 and rotates, and power wheel 61 drives angle sheave 63 by Timing Belt 62 and rotates, and angle sheave 63 drives the nut 5 that is fixedly connected with it and rotates, and moves up and down along screw mandrel 6, moves up and down thereby drive crossbeam 5.
Hydraulic jack 1 and alternating-current electric pump 13 are fixed on the top of crossbeam 5, and the piston rod of hydraulic jack 1 passes crossbeam 5 from top to bottom.A suspension hook 12 is equipped with in the lower end of piston rod, for hanging device under test 10.Hydraulic jack 1 provides hydraulic pressure by the alternating-current electric pump of 70kg/cm2 for it, and the maximal dilation amount of the piston rod of hydraulic jack 1 is about 0.5 meter, and the maximum stretching force value is 35 tons, and the translational speed of piston rod is 50mm/min.。
Can also be connected a tension-compression sensor 11 between suspension hook 12 and the device under test 10.Tension-compression sensor 11 can be with the test load that collects according to passing to wire in the data receiver box, then data-signal is wirelessly transmitted in the data receiver boxcar that is connected with computer by emitter, import computer into data bus after again data-switching being become digital signal, computer deposits computer in after converting this digital signal in good time load-time data curve, so that when needing, with this curve printing out, this data and curves can reflect real suspender load test process.
When needs detect the pulling force that device under test 10 can bear, first the two ends of device under test 10 are connected with clasp 71 on being connected ground foot rest 7 with tension-compression sensor 11 respectively, start motor 2, crossbeam 5 is lifted to suitable position, make suspension hook 12, tension-compression sensor 11, device under test 10 and clasp 71 be in the state of tension, allow 1 pair of device under test 10 of hydraulic jack slowly apply pulling force by starting alternating-current electric pump 13 again.Tension-compression sensor 11 can collect the test load certificate.
When needs detect the pressure that device under test 10 can bear, first device under test 10 is placed between crossbeam 5 and the ground foot rest 7, start motor 2, crossbeam 5 is dropped to suitable position, make the lower end in contact of the piston rod of the upper end of tension-compression sensor 11 and hydraulic jack 1, the upper end in contact of the lower end of pressure sensor 11 and device under test 10.Allow 1 pair of device under test 10 of hydraulic jack slowly exert pressure by starting alternating-current electric pump 13.Tension-compression sensor 11 can collect the test load certificate.
Above-described only is embodiments more of the present utility model, is not the restriction to the utility model design.For the person of ordinary skill of the art, under the prerequisite that does not break away from the utility model creation design, can also make some distortion and improvement, these all belong to protection domain of the present utility model.

Claims (5)

1. hydraulic loaded formula static(al) test machine is characterized in that, comprising:
The crossbeam that is parallel to installed surface,
Perpendicular to the screw mandrel of installed surface,
Be located at motor, hydraulic jack and the alternating-current electric pump that is connected with hydraulic jack on the described crossbeam,
The nut that is hinged on the external thread engagement of described crossbeam two ends, internal thread and described screw mandrel, moves up and down along described screw mandrel, and
Gear train;
Described gear train comprises the epitrochanterian power wheel that is fixed in described motor, be fixedly connected with described nut and the angle sheave of coaxial rotation and be engaged on Timing Belt on described power wheel and the angle sheave.
2. hydraulic loaded formula static(al) test machine according to claim 1 is characterized in that, also comprises the column that is fixedly connected with the top of described screw mandrel perpendicular to installed surface, top.
3. hydraulic loaded formula static(al) test machine according to claim 2 is characterized in that, also comprises the buttress brace of being located at described column top, being parallel to installed surface.
4. hydraulic loaded formula static(al) test machine according to claim 2 is characterized in that, also comprises the ground foot rest that is tiled in installed surface, and the lower end of described screw mandrel and column is fixed on the ground foot rest.
5. each described hydraulic loaded formula static(al) test machine is characterized in that according to claim 1 ~ 4, also comprises the tension-compression sensor on the piston rod that is connected to described hydraulic jack.
CN 201220647121 2012-11-28 2012-11-28 A hydraulic loading static force testing machine Expired - Fee Related CN202916085U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220647121 CN202916085U (en) 2012-11-28 2012-11-28 A hydraulic loading static force testing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220647121 CN202916085U (en) 2012-11-28 2012-11-28 A hydraulic loading static force testing machine

Publications (1)

Publication Number Publication Date
CN202916085U true CN202916085U (en) 2013-05-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220647121 Expired - Fee Related CN202916085U (en) 2012-11-28 2012-11-28 A hydraulic loading static force testing machine

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109342208A (en) * 2018-12-13 2019-02-15 中国工程物理研究院化工材料研究所 The accurate loading simulation equipment of the safety-type material static(al) of large-tonnage
CN109596436A (en) * 2019-01-14 2019-04-09 中国工程物理研究院化工材料研究所 The accurate driving method of static(al) of the accurate loading simulator of the safety-type static(al) of large-tonnage

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109342208A (en) * 2018-12-13 2019-02-15 中国工程物理研究院化工材料研究所 The accurate loading simulation equipment of the safety-type material static(al) of large-tonnage
CN109342208B (en) * 2018-12-13 2021-04-06 中国工程物理研究院化工材料研究所 Large-tonnage safe type material static force accurate loading simulation equipment
CN109596436A (en) * 2019-01-14 2019-04-09 中国工程物理研究院化工材料研究所 The accurate driving method of static(al) of the accurate loading simulator of the safety-type static(al) of large-tonnage

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130501

Termination date: 20131128