CN102954911A - Reverse frame control device - Google Patents

Reverse frame control device Download PDF

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Publication number
CN102954911A
CN102954911A CN2011102529482A CN201110252948A CN102954911A CN 102954911 A CN102954911 A CN 102954911A CN 2011102529482 A CN2011102529482 A CN 2011102529482A CN 201110252948 A CN201110252948 A CN 201110252948A CN 102954911 A CN102954911 A CN 102954911A
Authority
CN
China
Prior art keywords
screw mandrel
frame control
reverse frame
lifting platform
hoistable platform
Prior art date
Application number
CN2011102529482A
Other languages
Chinese (zh)
Inventor
虞跃凌
陶泽成
Original Assignee
昆山市创新科技检测仪器有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 昆山市创新科技检测仪器有限公司 filed Critical 昆山市创新科技检测仪器有限公司
Priority to CN2011102529482A priority Critical patent/CN102954911A/en
Publication of CN102954911A publication Critical patent/CN102954911A/en

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Abstract

The invention relates to a reverse frame control device applied to a balance lever machine or a lever machine. The reverse frame control device comprises a support frame, guide posts symmetrically arranged on the support frame and a lifting platform moving up and down along the guide posts. The support frame is also provided with at least two symmetrically-arranged screw rods which penetrate through the lifting platform, screw caps are fixed on the lifting platform corresponding to the screw rods, and the number of the screw caps is consistent with that of the screw rods. The reverse frame control device also comprises a transmission device driving the screw rods to rotate. According to the reverse frame control device disclosed by the invention, level of a lifting surface of the lifting platform is easy to adjust and the level precision of the lifting platform can not be damaged in the moving process by symmetrically arranging the at least two screw rods. By utilizing the reverse frame control device, the lifting platform can vertically move stably, damage of the transmission device or burning of a motor caused by unstable lifting of the lifting platform and locking among the guide posts and the screw rods is avoided, meanwhile, a detection element can be arranged in the center of the lifting platform, and the precision for detecting a workpiece is relatively high.

Description

A kind of reverse frame control device
Technical field
The invention discloses a kind of control device, be specifically related to the reverse frame control device on a kind of scale lever machine or the Lever machine.
Background technology
Scale lever machine has the characteristics of balance and two functions of lever with it, in the test of the test of power and power sensor and heavy-duty machinery and the accurate detection field of workpiece performance more and more receive publicity.
Scale lever machine mainly comprises frame, crossbeam, reverse frame, and front and back are symmetrical arranged two balance knifes on the frame, balance knife folding during by movable support bracket, the function of realization balance and Lever machine.
Scale lever machine moves on the carriage when doing the balance use, and carriage drives on the crossbeam and carries, and two balance knifes of front and back merge as fulcrum, and crossbeam is as the balance fork, and crossbeam one end arranges counterweight one end workpiece is set, and detects.
Scale lever machine is when using as Lever machine, and two balance knifes of front and back are inoperative, and the support cutter at carriage center place merges as fulcrum.Regulate by the reverse frame of its below and to drive hoistable platform and move to realize workpiece is stretched and the detection of pressure.But there is following defective in existing scale lever machine:
Existing reverse frame comprises support, guidepost, hoistable platform, screw mandrel and gearing, rotarily driving hoistable platform by gearing drive screw mandrel moves up and down along guidepost, move the tensile property that detects workpiece on the hoistable platform, move down the pressure that detects workpiece; Because existing screw mandrel is 1, for guaranteeing its stability, screw mandrel is arranged at the center of support, therefore even the extremely difficult debugging of the workplace levelness of hoistable platform and debugging very easily change in follow-up moving up and down after good, thereby cause when detecting the performance of workpiece, detect data and can have deviation, the inaccurate problem of numerical value; And owing to being easy to run-off the straight in the rhizoid thick stick lifting process, lifting is unstable, in case the situation of run-off the straight is difficult to debug, expends the more time; And, in the process of run-off the straight, guidepost all around plays the effect of an anti-obliquity, therefore one will be tilted, an anti-obliquity so that hoistable platform is easy to and guidepost or screw mandrel between stuck motionless, gearing constantly turns round, but hoistable platform is stuck motionless, so just is easy to cause the damage of gearing or burning of motor.Increase simultaneously the friction damage between hoistable platform and guidepost and screw mandrel, destroyed the spiral lamination of screw mandrel, affected the use in later stage.
Therefore, a kind of degree of accuracy of detecting of can effectively guaranteeing, and lifting more stably reverse frame control device demand urgently occurring.
Summary of the invention
Only be provided with 1 rhizoid bar for solving existing scale lever machine, the extremely difficult debugging of the workplace levelness that causes hoistable platform and lifting is unstable, the easy lower problem of stuck and accuracy of detection, the invention discloses a kind of reverse frame control device, to reach lifting rapidly, steadily, the purpose that accuracy of detection is higher.
Technical scheme of the present invention is as follows:
A kind of reverse frame control device is applied on scale lever machine or the Lever machine, the hoistable platform that this reverse frame control device comprises support, is symmetricly set in the guidepost on the described support and moves up and down along described guidepost; Also be provided with screw mandrel on the described support, described screw mandrel runs through described hoistable platform, and described screw mandrel is symmetrically arranged at least 2, is fixedly installed nut with described screw mandrel corresponding position on the described hoistable platform, and described nut is consistent with the quantity of described screw mandrel;
Also comprise the gearing that drives described screw mandrel rotation.
Preferably, described screw mandrel is opposite 2 of rotation direction, the bottom of described screw mandrel is provided with worm gear, described gearing comprises motor and intermeshing 2 synchronous pulleys, described one of them synchronous pulley is connected with described motor, and described another synchronous pulley two ends are symmetrically arranged with rotation direction worm screw opposite and that be complementary with described worm gear.
Preferably, the position corresponding with described guidepost external part, the bottom of described support is provided with the breach of being convenient to described guidepost installing/dismounting.
Reverse frame control device disclosed by the invention, by being symmetrical arranged at least two rhizoid bars, guarantee more easily to realize when hoistable platform is debugged its workplace levelness, mobile more steady in the process that moves up and down, avoided stuck between hoistable platform lifting shakiness and guidepost and screw mandrel, caused the damage of gearing or burning of motor, simultaneously, detecting element can be arranged at the center of hoistable platform, and the precision that detects workpiece is higher.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is that a kind of reverse frame control device disclosed by the invention is used for the structural representation on scale lever machine or the Lever machine;
Fig. 2 is the structural representation of gearing in a kind of reverse frame control device disclosed by the invention.
The title of the numeral among the figure or the corresponding component of alphabetical representative:
100, frame 200, reverse frame 300, crossbeam;
101, balance knife 102, carriage;
201, support 202, guidepost 203, screw mandrel 204, nut 205, fixed head 206, hoistable platform 207, base 208, base plate 209, breach 210, motor 211, synchronous pulley 212, worm screw 213, worm gear.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
The invention discloses a kind of reverse frame control device, to reach lifting rapidly, steadily, the purpose that accuracy of detection is higher.
As shown in Figure 1, a kind of reverse frame control device is applied on scale lever machine or the Lever machine, and scale lever machine mainly comprises the frame 100 of upper end and the reverse frame 200 of below; The hoistable platform 206 that reverse frame control device comprises support 201, is symmetricly set in the guidepost 202 on the support 201 and moves up and down along guidepost 202; Also be provided with screw mandrel 203 on the support 201, screw mandrel 203 runs through hoistable platform 206, and screw mandrel 203 is symmetrically arranged 2, is fixedly installed nut 204 with screw mandrel 203 corresponding positions on the hoistable platform 206, and nut 204 is consistent with the quantity of screw mandrel 203.By the mating reaction of nut 204 with screw mandrel 203, rotary screw 203 drives hoistable platform 206 and moves up and down.
Wherein, the rotation direction of 2 rhizoid bars 203 is opposite, one is left-hand thread (LHT), one is right-hand thread, in driving the process of hoistable platform 206 about, the switched in opposite of left-handed screw mandrel and dextrorotation screw mandrel, the acting force that applies by symmetry guarantees that the 2 rhizoid bars while inwardly or simultaneously laterally rotates, avoid screw mandrel to rotate to same direction and caused hoistable platform to occur to a side shift phenomenon, guaranteed the stability in the lifting process.The quantity of screw mandrel 203 can guarantee effectively that except being also to can be 3,4,5 or many 2 the hoistable platform lifting steadily gets final product, and does not limit at this.
This reverse frame control device also comprises the gearing that drives screw mandrel 203 rotations.
Screw mandrel 203 is 2, the bottom of screw mandrel 203 is fixedly installed worm gear 213, gearing comprises motor 210 and intermeshing 2 synchronous pulleys 211, one of them synchronous pulley is connected with motor 210, and another synchronous pulley two ends are symmetrically arranged with rotation direction worm screw 212 opposite and that be complementary with worm gear 213.For guaranteeing two rhizoid thick stick rotating speed crash consistency.Motor can only be with one.
The synchronous pulley 211 that motor 210 drives its front end rotates, because 2 synchronous pulleys are meshed, transmission of power is gone out; The both sides of another synchronous pulley are provided with the opposite worm screw of rotation direction 212, give worm screw 212 power by same motor 210, because the rotation direction of two ends worm screw 212 is opposite, after worm screw 212 meshes with worm gear 213, two rhizoid bars 203 rotate in the opposite direction with worm gear 213, simultaneously inwardly or laterally rotate; Because the rotation direction of two rhizoid bars 203 is different, and switched in opposite, guarantees that 2 rhizoid bars give hoistable platform 206 acting force up or down simultaneously, avoid causing force direction to cause on the contrary mutually stuck between hoistable platform and screw mandrel and guidepost.
In addition, the quantity of screw mandrel 203 can also be symmetrically arranged 4, the quantity of motor 210 is necessary for 1, motor 210 front ends are connected with 1 synchronous pulley, the both sides of this synchronous pulley also respectively are provided with a synchronous pulley, and the two ends of both sides synchronous pulley are provided with the opposite worm screw of rotation direction 212, guarantee 4 rhizoid bars simultaneously inwardly with to inner rotary, 4 rhizoid pole pairs claim to arrange, and guarantee the stability of lifting.The quantity of this out screw rod also can be determined on a case-by-case basis, as long as can guarantee effectively that lifting steadily, does not limit at this.
In addition, the position that the base 207 of support 201 is corresponding with the external part of guidepost 201 is provided with the breach 209 that makes things convenient for guidepost 202 to install.Can make things convenient for the dismounting of guidepost by breach 209 is set, simplify the installing/dismounting step, reduce labor capacity, improve installing/dismounting efficient.
Gearing also can adopt the modes such as travelling belt or chain drive except adopting the motor drives Worm Wheel System, also can adopt the forms such as hydraulic-driven or air cylinder driven, does not specifically limit.
Reverse frame control device disclosed by the invention by being symmetrical arranged at least two rhizoid bars, guarantees more easily to realize when hoistable platform is debugged its workplace levelness.Mobile more steady in the process that moves up and down, avoided stuck between hoistable platform lifting shakiness and guidepost and screw mandrel, caused the damage of gearing or burning of motor, simultaneously, detecting element can be arranged at the center of hoistable platform, and the precision that detects workpiece is higher.
In addition, at base breach is set, has simplified the step that guidepost is installed, reduced workload, improved installing/dismounting efficient.
More than be the description to the embodiment of the invention, by the above-mentioned explanation to the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from the spirit or scope of the present invention, in other embodiments realization.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (3)

1. a reverse frame control device is applied on scale lever machine or the Lever machine, the hoistable platform that this reverse frame control device comprises support, is symmetricly set in the guidepost on the described support and moves up and down along described guidepost; It is characterized in that, also be provided with screw mandrel on the described support, described screw mandrel runs through described hoistable platform, and described screw mandrel is symmetrically arranged at least 2, be fixedly installed nut with described screw mandrel corresponding position on the described hoistable platform, described nut is consistent with the quantity of described screw mandrel;
Also comprise the gearing that drives described screw mandrel rotation.
2. reverse frame control device according to claim 1, it is characterized in that, described screw mandrel is opposite 2 of rotation direction, the bottom of described screw mandrel is provided with worm gear, described gearing comprises motor and intermeshing 2 synchronous pulleys, described one of them synchronous pulley is connected with described motor, and described another synchronous pulley two ends are symmetrically arranged with rotation direction worm screw opposite and that be complementary with described worm gear.
3. reverse frame control device according to claim 1 and 2 is characterized in that, the position corresponding with described guidepost external part, the bottom of described support is provided with the breach of being convenient to described guidepost installing/dismounting.
CN2011102529482A 2011-08-30 2011-08-30 Reverse frame control device CN102954911A (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105690339A (en) * 2016-03-25 2016-06-22 沈阳化工大学 Precision-control movable worktable

Citations (7)

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Publication number Priority date Publication date Assignee Title
JPH0829308A (en) * 1994-07-15 1996-02-02 Shimadzu Corp Material tester
JP2005351655A (en) * 2004-06-08 2005-12-22 Shimadzu Corp Materials testing machine
CN201203473Y (en) * 2008-06-03 2009-03-04 山东省计量科学研究院 Dead weight / lever dual-purpose type force standard plane
CN101929905A (en) * 2010-03-23 2010-12-29 昆山市创新科技检测仪器有限公司 Reverse frame hanging device
CN201731971U (en) * 2010-07-30 2011-02-02 苏州龙盛测试设备有限公司 Lever-type force standard machine with creep test function
CN102087157A (en) * 2010-11-16 2011-06-08 吉林大学 Double-lever force standard machine and calibration and demarcation method thereof
CN202204724U (en) * 2011-08-30 2012-04-25 昆山市创新科技检测仪器有限公司 Reverse frame control device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0829308A (en) * 1994-07-15 1996-02-02 Shimadzu Corp Material tester
JP2005351655A (en) * 2004-06-08 2005-12-22 Shimadzu Corp Materials testing machine
CN201203473Y (en) * 2008-06-03 2009-03-04 山东省计量科学研究院 Dead weight / lever dual-purpose type force standard plane
CN101929905A (en) * 2010-03-23 2010-12-29 昆山市创新科技检测仪器有限公司 Reverse frame hanging device
CN201731971U (en) * 2010-07-30 2011-02-02 苏州龙盛测试设备有限公司 Lever-type force standard machine with creep test function
CN102087157A (en) * 2010-11-16 2011-06-08 吉林大学 Double-lever force standard machine and calibration and demarcation method thereof
CN202204724U (en) * 2011-08-30 2012-04-25 昆山市创新科技检测仪器有限公司 Reverse frame control device

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Title
徐进: "丝杆升降机构传动的可靠性设计研究", 《煤矿机械》, no. 10, 31 December 2003 (2003-12-31) *

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105690339A (en) * 2016-03-25 2016-06-22 沈阳化工大学 Precision-control movable worktable

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Address before: The Palestinian town of Jing Fan Road Kunshan city Suzhou city Jiangsu province 215300 No. 38 room 4

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Inventor after: Yu Peiying

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Application publication date: 20130306