CN103115707B - The proving installation of dynamic torque tool - Google Patents
The proving installation of dynamic torque tool Download PDFInfo
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- CN103115707B CN103115707B CN201110364652.XA CN201110364652A CN103115707B CN 103115707 B CN103115707 B CN 103115707B CN 201110364652 A CN201110364652 A CN 201110364652A CN 103115707 B CN103115707 B CN 103115707B
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Abstract
A proving installation for dynamic torque tool, it comprises: a test bodies, and it is provided with a run-though space from top to bottom, and this run-though space at least includes the nut space of an inside and the sensing space of below; One transmission mechanism, includes screw rod part and a nut element, and this nut element is located at this nut space, and this screw rod part is located at place above this run-though space and is spirally connected and runs through this nut element; One force sensing apparatus, be located at this sensing space, this force sensing apparatus includes a force sensing assembly of top and a sense base of below, the force of compression that this screw rod part end of sensing transmits accepted by this force sensing assembly, the force of compression sensed is converted to torsion by this force sensing assembly, and this torsion will be converted to electric message by this sense base and transfer out.The present invention can realize the accurate applicability that its torsion of percussive dynamic torque tool is measured.
Description
Technical field
The invention relates to a kind of torque test device, especially one can carry out torsional test for dynamic torque tool, and has the interface of splendid test accuracy and facilitated application reference, and can be tested for percussive dynamic torque tool.
Background technology
Press, generally need export by torsion the work business carrying out rotation process, spiro as screw rod, bolt operates etc., normally utilize dynamic torque tool to assist and carry out, as hand dynamic torque tool and motor driving export continuity power tool, then more develop a kind of percussive dynamic torque tool (Impact Wrench Tools).The size exported due to its torsion of dynamic torque tool and running time relate to appropriateness, the precision that workpiece locks, as locking operation do not put in place (torsion is too small or the running time is not enough), the excessive upper torsion of the operation problem coordinated appropriate with the time such as packing (torsion is excessive or the running time is long), therefore this dynamic torque tool first need be tested its torsion and export situation, to reach best effect.The proving installation of known dynamic torque tool as shown in Figure 1, the proving installation 90 of this dynamic torque tool is provided with the operating space 91 of central part, nut space 92 and pressure around and surveys liquid 94, this nut space 92 is communicated with operating space 91 and is positioned at below it, this nut space 92 is provided with a nut casting die 93, be provided with one above this operating space 91 and treat latch fitting 95, and a test screw rod 96 is spirally connected that this treats latch fitting 95 and nut casting die 93 from top to down.When the proving installation 90 of this known dynamic torque tool uses, reverse with the spiral shell head 961 of a dynamic torque tool 100 to this test screw rod 96, and make this treat latch fitting 95 and nut casting die 93 closing relatively by this its screw rod 962, so namely liquid 94 is surveyed to this pressure and produce force of compression, this force of compression is with for being equivalent to this test screw rod 96 by tensile force suffered during dynamic torque tool 100 start, the proving installation 90 of this dynamic torque tool another connects one strain-type pressure-sensing device (as hydralic pressure gauge) (not shown), in order to this tensile force correspondence is quantized to be converted to torsion, and obtain the outputting torsion value of this dynamic torque tool 100.
Though the proving installation 90 of this known dynamic torque tool can reach the effect of its torsion force measuring, so, many disappearance problems are still had to exist, such as, due to this test screw rod 96 its bearing surface and treat that latch fitting 95 can produce a friction force A1, treat also to produce between the proving installation 90 of latch fitting 95 and dynamic torque tool a friction force A2 and nut casting die 93 can produce friction force A3 with screw rod 962 in locking process, the resistance consumption of those friction force A1, A2 and A3 will make its accuracy of measurement cause very large impact, aobvious nonideal design; Moreover, because dynamic torque tool 100 is along with different action time, its torsion that add up also can be different, the proving installation 90 of this known dynamic torque tool also cannot allow operating personnel really know the size of torque value under difference length action time, and be difficult to operate accurately control, be also its disappearance.
Summary of the invention
Object of the present invention is providing a kind of proving installation of dynamic torque tool, with the defect existing for the proving installation overcoming known dynamic torque tool.
For achieving the above object, the proving installation of dynamic torque tool provided by the invention, includes:
One test bodies, it is provided with a run-though space from top to bottom, and this run-though space includes the nut space of at least one inside and the sensing space of below;
One transmission mechanism, includes screw rod part and a nut element, and this nut element is located at this nut space, and this screw rod part is located at place above this run-though space and is spirally connected and runs through this nut element;
One force sensing apparatus, be located at this sensing space, this force sensing apparatus includes a force sensing assembly of top and a sense base of below, the force of compression that this screw rod part end of sensing transmits accepted by this force sensing assembly, the force of compression sensed is converted to torsion by this force sensing assembly, and this torsion is converted to electric message by this sense base and transfers out.
The proving installation of described dynamic torque tool, wherein, this run-though space includes space on one above in the of one, the spiral shell head of this screw rod part be positioned at space on this top and in his component contactless without Frotteurism.
The proving installation of described dynamic torque tool, wherein, this run-though space includes one and is positioned at operating space below this nut space, the footpath in this nut space wide comparatively on this space and this operating space be large.
The proving installation of described dynamic torque tool, wherein, this run-though space includes one and is positioned at transmission space below this operating space, this this sensing space of transmission spatial joins.
The proving installation of described dynamic torque tool, wherein, this transmission mechanism includes a transferring member, this transferring member is located at this transmission space, and the top of this transferring member, bottom are inserted into this operating space and this sensing space respectively, make the top of this transferring member be connected to this screw rod part end, and the bottom of this transferring member is connected to this force sensing assembly.
The proving installation of described dynamic torque tool, wherein, this screw rod part is screw rod, bolt or the threaded workpiece of screw tool.
The proving installation of described dynamic torque tool, wherein, the two ends up and down of this transferring member are that cone shape arranges and has less contact area.
The proving installation of described dynamic torque tool, wherein, includes a display device, this display device be connect this force sensing apparatus with wired or wireless transmission mode and receive display by this sense base send the electric message of torsion.
The proving installation of described dynamic torque tool, wherein, this display device includes a display screen, plural operational and controlled key button, a time set and a memory element.
The proving installation of described dynamic torque tool, wherein, this plural operational and controlled key button comprises: several switch key comprises one display mode/set model switch key and a set model switch key and a display mode switch key, several enter key and comprises a numeral and increase enter key and and digitally reduce enter key and a digital input validation key;
This display screen is provided with switchable display mode and set model, and it is switched by pressing this display mode/set model switch key;
This display screen in display mode, is provided with the torque value of value different action time, torsion maximum value information and be shown on this display screen, and it shows this information by pressing this display mode switch key and carrying out switching at this display screen;
This display screen, under set model, is provided with following set model: measure time value set model, torsion open initial value set model, action time spacing value set model, above-mentioned set model switches by pressing this set model switch key; When above-mentioned set model is carried out in switching, be set input by those enter keies: measure time value, torsion open initial value, action time spacing value.
The proving installation of described dynamic torque tool, wherein, it is inner that this display device is located at by this time set, when by this sense base send torque value reach set torsion open initial value time, namely this time set starts timing, when the timing of this time set has reached set measurement time value, then timing stops;
This memory element, opens initial value in order to the measurement time value storing the torsion information of this force sensing apparatus institute transmission measurement gained, the clocking information of this time set and set input under measuring time value set model, the torsion that sets input under torsion opens initial value set model, sets spacing value action time of input action time under spacing value set model.
The proving installation of described dynamic torque tool, wherein, information can be sent to an arithmetic unit to carry out computing by this display device in a wired or wireless fashion.
Effect of the present invention is:
1) greatly can eliminate the friction resistance consumption in measurement, make to reach the splendid accuracy in torsion measurement.
2) can utilize screw piece body in the process of locking its end produce the size of compressing force, make the torsion that quantification percussive dynamic torque tool produces, and coordinate electronic type force sensing assembly effectively to measure its strength by compression, be converted to torque value again, and then realize the accurate applicability of its torsion of percussive dynamic torque tool measurement.
3) torsion force measuring can be set and open initial value as Measuring Time starting point and setting length action time, the time of screw piece body is acted in order to effectively to control dynamic torque tool, and by the display numerical value of electronic console, allow operating personnel really know the size of torque value under length different action time, so reach effective control, torque value that application percussive dynamic torque tool produces.
Accompanying drawing explanation
Fig. 1 is the proving installation schematic diagram of known dynamic torque tool.
Fig. 2 is structural representation of the present invention.
Fig. 3 is display application schematic diagram of the present invention.
Fig. 4 is operating process schematic diagram of the present invention.
Primary clustering symbol description in accompanying drawing:
Proving installation 10; Test bodies 11; Upper space 111; Nut space 112; Operating space 113; Sensing space 114; Transmit space 115; Transmission mechanism 20; Screw rod part 21; Spiral shell head 211; Screw rod 212; Nut element 22; Transferring member 23; Force sensing apparatus 30; Force sensing assembly 31; Sense base 32; Display device 40; Transmission line 41; Display screen 42; Numeral increases enter key 43; Numeral reduces enter key 44; Numeral input validation key 45; Power switch key 46; Torsion force measuring start key 47; Display mode/set model switch key 48; Set model switch key 49; Display mode switch key 50.
Embodiment
Technological means of the present invention comprises: a test bodies, and it is provided with a run-though space from top to bottom, and this run-though space includes the nut space of at least one inside and the sensing space of below; One transmission mechanism, includes screw rod part and a nut element, and this nut element is located at this nut space, and this screw rod part is located at place above this run-though space and is spirally connected and runs through this nut element; One force sensing apparatus, be located at this sensing space, this force sensing apparatus includes a force sensing assembly of top and a sense base of below, the force of compression that this screw rod part end of sensing transmits accepted by this force sensing assembly, the force of compression sensed is converted to torsion by this force sensing assembly, and this torsion will be converted to electric message by this sense base and transfer out.
Further understand and understanding for more having technical characteristic of the present invention and the effect reached, elaborate by reference to the accompanying drawings with preferred embodiment.
Refer to Fig. 2, the present invention includes a test bodies 11, transmission mechanism 20 and force sensing apparatus 30 in order to the proving installation 10 carrying out its torsion force measuring of dynamic torque tool; The top of this test bodies 11 from top to bottom (page of adjoint) be provided be connected one on space 111, nut space 112 and operating space 113, wherein, on this, space 111 is communicated with space outerpace; The footpath in this nut space 112 wide comparatively on this space 111 and operating space 113 be large; Moreover the below of this test bodies 11 is provided with a sensing space 114, is connected with a transmission space 115 between this sensing space 114 and this operating space 113, namely this transmission space 115 is communicated with this operating space 113 and sensing space 114.Aforementioned space 111, nut space 112, operating space 113 on this, transmit space 115 and sensing space 114 forms one in order to arrange the run-though space of each device, component.
This transmission mechanism 20 includes a screw rod part 21, nut element 22 and transferring member 23, and wherein this nut element 22 is located at this nut space 112; This screw rod part 21 can be the threaded workpiece of tool such as screw rod, bolt or screw, it includes a spiral shell head 211 and screw rod 212, this screw rod part 21 is spirally connected through this nut element 22 by space on this 111, the bottom of this screw rod part 21 is positioned at this operating space 113, and this spiral shell head 211 be positioned at space 111 on this top and in other components contactless without Frotteurism, this nut element 22 is in order to this screw rod part 21 of supporting and location; This transferring member 23 can be a bronze medal (or steel) plastid or other metal material (do not add and limit), it is located at this transmission space 115, and the top of this transferring member 23, bottom are inserted into this operating space 113 and this sensing space 114 respectively, make the top of this transferring member 23 be connected to this screw rod part 21.This force sensing apparatus 30 is located at the sensing space 114 of this test bodies 11, this force sensing apparatus 30 includes a force sensing assembly 31 (electronic type) of top, this force sensing assembly 31 abuts this transferring member 23, and accept the force of compression sensing this transferring member 23 (screw rod part 21 end) and transmit, the force of compression sensed is converted to torsion by this force sensing assembly, and the sense base 32 by below is converted to electric message and transfers out by this torsion.In suitable embodiment, the two ends up and down of this transferring member 23 are that cone shape is arranged, and namely have less contact area, so, contact friction force B1, B2 between this transferring member 23 and this screw rod 212, force sensing assembly 31 can be made to reduce to minimum, and do not hinder the transmission of straight line force of compression; Or in other embodiments, the end of this screw rod part 21 directly contacts at this force sensing assembly 31, that is, the force of compression making this force sensing assembly 31 directly bear this screw rod part 21 end to transmit.
During Test Application of the present invention, directly twist operation is carried out to this screw rod part 21 by one for the percussive dynamic torque tool (dynamic torque tool) 100 tested, this screw rod part 21 carries out downwards compressing operation by reversing with this and produces downward force of compression in this nut element 22, this force of compression also makes force of compression be passed to this force sensing assembly 31 by this transferring member 23, the torsion namely produced to quantize this percussive dynamic torque tool by the size of this screw rod part 21 compression that its end produces in locking process (Compression) strength.During due to Test Application of the present invention, to one, this percussive dynamic torque tool 100 not treats that lock thing is locked (consulting Fig. 1) as known technology, therefore can be exempted this treat lock associated friction force that thing produces (A1, A2) resistance consumption problem, and because of this transferring member 23 and this screw rod 212, contact friction force B1 between force sensing assembly 31, B2 is very little, therefore the torsion of this percussive dynamic torque tool 100 (dynamic torque tool) can by this screw rod part 21 locking process, compression (Compression) strength that this its end of screw rod part 21 and transferring member 23 produce directly axially is passed to this force sensing assembly 31, effectively measure its strength by compression by this force sensing apparatus 30 again and be converted to torsion, this torsion is converted to electric message by a sense base 32 of below and transfers out.
Refer to Fig. 3, the proving installation of dynamic torque tool of the present invention includes a display device 40 further, this display device 40 be with transmission line 41 (or wireless transmission method) connect this force sensing apparatus 30 (sense base 32) with receive and to show by this sense base 32 send the electric message of torsion, this display device 40 includes a display screen 42, plural operational and controlled key button, a time set (not shown) and a memory element (as internal memory) (not shown); This plural operational and controlled key button comprises: power switch key 46, torsion force measuring start key 47, several switch key comprise one display mode/set model switch key 48 and a set model switch key 49 and a display mode switch key 50, several enter key and comprise a numeral and increase enter key 43 and and digitally reduce enter key 44 and a digital input validation key 45; This display screen 42 is provided with switchable display mode and set model, and it is switched by pressing this display mode/set model switch key 48; In display mode, be provided with the information such as torque value, torsion maximal value of difference value action time and be shown on this display screen 42, it is undertaken switching and showing this information at this display screen 42 by this display mode switch key 50 of pressing this display screen 42; This display screen 42 is under set model, be provided with following three set models: measure time value set model, torsion opens initial value set model and action time spacing value set model, above-mentioned three set models switch by pressing this set model switch key 49; Above-mentioned three set models are entered for the moment in switching, be set by those enter keies input measure time value or torsion open initial value or action time spacing value, namely using this numeral to increase enter key 43 increases numerical value, uses this numeral minimizing enter key 44 to reduce numerical value, use this digital input validation key 45 to confirm numerical value; It is inner that this time set (not shown) is located at this display device 40, when by this sense base 32 send torque value reach set torsion open initial value time, namely this time set starts timing, when the timing of this time set has reached set measurement time value, then timing stops, and the proving installation of dynamic torque tool stops measuring; This memory element, in order to store this force sensing apparatus 30 the measurement time value, the torsion that sets input under torsion opens initial value set model that transmit the torsion information of measurement of correlation gained, the clocking information of this time set and under measuring time value set model, set input open initial value, under spacing value set model, set spacing value action time of input action time.
And information can be sent to an arithmetic unit (as various computing machine, flat computer, mobile phone etc.) by this display device 40 in a wired or wireless fashion, combine actual Software tool (as electrical forms such as EXCEL) of crossing by this arithmetic unit and carry out computing, and can be the display information such as acrotorque value of torsion-time plot, testing tool by convert information, allow user to the torsion information of this wish test dynamic torque tool, very clear.Certainly, this display device 40 also can in establish this arithmetic unit, and replace the setting of concatenation operation device.
Because dynamic torque tool (comprising continuity power tool and percussive dynamic torque tool etc. that motor driving exports) is for reaching its accurate constructing operation, it is suitable that the accuracy of its torque magnitude and the control (stand-by time point) of running time length must be arranged in pairs or groups, as screw lock operation avoid too tight or too loose, to avoid producing follow-up unscheduled event, and the present invention is by the setting of this display screen 42 and plural operational and controlled key button 43 ~ 50, at least on assistance measures, following utilization and effect is had to manifest:
1) torsion can be set and open initial value, the starting point as the time of measurement:
As mentioned above, can when being switched to torsion and opening initial value set model 55, set input torsion with those enter keies and open initial value, such as setting torsion opens initial value is 0.1 unit torsion, understand the action of some instability when just starting because measuring and cause torsion slightly, it does not belong to the normal torsion of this instrument, if the normal torsion of this genus is from 0.1 unit torsion, then we can set torsion to open initial value be 0.1 unit torsion, so can avoid the time of the action calculating those instability when just starting, and known percussive dynamic torque tool measurement mechanism cannot do this setting.
2) measurement time value can be set, and show the acrotorque value of tested dynamic torque tool: when reaching torsion and opening initial value, start to calculate and measure time value: after the set time arrives, then stop measuring, and this display screen 42 of the present invention can show the acrotorque value of tested dynamic torque tool at setting-up time Nei Keda.
3) spacing value action time can be set, with the switching mode by operational and controlled key button, be presented at the torsion of point each action time.
As mentioned above, can when being switched to spacing value set model action time, input action time interval value is set with those enter keies 43,44,45, such as can set effect spacing value is: 0.5 second or 1.0 seconds etc., for another example aforementioned, by press this display mode switch key 50 carry out switching and the display of this display screen 42 according to this action time spacing value each action time point torsion, those, torsion information of point was also stored in this memory element 60 each action times; The present invention can reach above accurately measuring, and known percussive dynamic torque tool measurement mechanism cannot be done this setting and also cannot reach above accurately measuring.
Refer to Fig. 4, its method of operating step of the proving installation of dynamic torque tool of the present invention comprises:
S51: the screw rod part of dynamic torque tool to proving installation for test is carried out twisting action;
S52: the end of this screw rod part, produce downward force of compression because rotating in nut element, this force of compression passes to transferring member downwards;
S53: force of compression is passed to force sensing assembly by this transferring member;
S54: the force of compression sensed is converted to torsion by this force sensing assembly, this torsion is converted to electric message by sense base and is transported to display equipment; And
S55: this display equipment demonstrates acrotorque value, and switch according to the button of user, the torque value of display point different action time.
The present invention is made up of aforementioned, greatly can eliminate the friction resistance consumption in measurement, make to reach the splendid accuracy in torsion measurement, and utilize screw piece body in the process of locking its end produce the size of compressing force, make the torsion that quantification percussive dynamic torque tool produces, and coordinate electronic type force sensing assembly effectively to measure its strength by compression, then be converted to torque value, and then realize the accurate applicability that its torsion of percussive dynamic torque tool measures; And the present invention can set torsion force measuring initial value as Measuring Time starting point and setting length action time, the time of screw piece body is acted in order to effectively to control dynamic torque tool, and by the display numerical value of electronic console, allow operating personnel really know the size of torque value under length different action time, so reach effective control, torque value that application percussive dynamic torque tool produces.
The content of above-mentioned explanation, is only preferred embodiment of the present invention and illustrates, all changes extended according to technological means of the present invention, all should fall in the right of the present patent application, hereby illustrate.
Claims (7)
1. a proving installation for dynamic torque tool, includes:
One test bodies, it is provided with a run-though space from top to bottom, this run-though space includes the nut space of at least one inside and the sensing space of below, this run-though space includes space on one above in the of one, this run-though space includes one and is positioned at operating space below this nut space, the footpath in this nut space wide comparatively on this space and this operating space be large, this run-though space includes one and is positioned at transmission space below this operating space, this this sensing space of transmission spatial joins;
One transmission mechanism, include screw rod part and a nut element, this nut element is located at this nut space, and this screw rod part is located at place above this run-though space and is spirally connected and runs through this nut element, the spiral shell head of this screw rod part be positioned at space on this top and in other components contactless without Frotteurism;
One force sensing apparatus, be located at this sensing space, this force sensing apparatus includes a force sensing assembly of top and a sense base of below, the force of compression that this screw rod part end of sensing transmits accepted by this force sensing assembly, the force of compression sensed is converted to torsion by this force sensing assembly, this torsion is converted to electric message by this sense base and transfers out, this transmission mechanism includes a transferring member, this transferring member is located at this transmission space, and the top of this transferring member, bottom is inserted into this operating space and this sensing space respectively, the top of this transferring member is made to be connected to this screw rod part end, and the bottom of this transferring member is connected to this force sensing assembly,
One display device, this display device be connect this force sensing apparatus with wired or wireless transmission mode and receive display by this sense base send the electric message of torsion;
Its method of operating step of the proving installation of this dynamic torque tool comprises:
S51: the screw rod part of dynamic torque tool to proving installation for test is carried out twisting action;
S52: the end of this screw rod part, produce downward force of compression because rotating in nut element, this force of compression passes to transferring member downwards;
S53: force of compression is passed to force sensing assembly by this transferring member;
S54: the force of compression sensed is converted to torsion by this force sensing assembly, this torsion is converted to electric message by sense base and is transported to display equipment;
S55: this display equipment demonstrates acrotorque value.
2. the proving installation of dynamic torque tool according to claim 1, wherein, this screw rod part is screw rod, bolt or the threaded workpiece of screw tool.
3. the proving installation of dynamic torque tool according to claim 1, wherein, the two ends up and down of this transferring member are that cone shape arranges and has less contact area.
4. the proving installation of dynamic torque tool according to claim 3, wherein, this display device includes a display screen, plural operational and controlled key button, a time set and a memory module.
5. the proving installation of dynamic torque tool according to claim 4, wherein, this plural operational and controlled key button comprises: several switch key comprises one display mode/set model switch key and a set model switch key and a display mode switch key, several enter key and comprises a numeral and increase enter key and and digitally reduce enter key and a digital input validation key;
This display screen is provided with switchable display mode and set model, and it is switched by pressing this display mode/set model switch key;
This display screen in display mode, is provided with the torque value of value different action time, torsion maximum value information and be shown on this display screen, and it shows this information by pressing this display mode switch key and carrying out switching at this display screen;
This display screen, under set model, is provided with following set model: measure time value set model, torsion open initial value set model, action time spacing value set model, above-mentioned set model switches by pressing this set model switch key; When above-mentioned set model is carried out in switching, be set input by those enter keies: measure time value, torsion open initial value, action time spacing value.
6. the proving installation of dynamic torque tool according to claim 5, wherein, it is inner that this display device is located at by this time set, when by this sense base send torque value reach set torsion open initial value time, namely this time set starts timing, when the timing of this time set has reached set measurement time value, then timing stops;
This memory module, opens initial value in order to the measurement time value storing the torsion information of this force sensing apparatus institute transmission measurement gained, the clocking information of this time set and set input under measuring time value set model, the torsion that sets input under torsion opens initial value set model, sets spacing value action time of input action time under spacing value set model.
7. the proving installation of dynamic torque tool according to claim 6, wherein, information can be sent to an arithmetic unit to carry out computing by this display device in a wired or wireless fashion.
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| CN201110364652.XA CN103115707B (en) | 2011-11-17 | 2011-11-17 | The proving installation of dynamic torque tool |
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| CN106885647B (en) * | 2017-02-24 | 2019-10-29 | 大连海事大学 | Screw thread torsion characteristics measuring device |
| CN107462357A (en) * | 2017-09-13 | 2017-12-12 | 成都楠迪科技有限公司 | Portable torque force testing instrument and application method |
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