CN202329902U - Testing device of torsional force tool - Google Patents
Testing device of torsional force tool Download PDFInfo
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- CN202329902U CN202329902U CN2011204621652U CN201120462165U CN202329902U CN 202329902 U CN202329902 U CN 202329902U CN 2011204621652 U CN2011204621652 U CN 2011204621652U CN 201120462165 U CN201120462165 U CN 201120462165U CN 202329902 U CN202329902 U CN 202329902U
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Abstract
A testing device of a torsional force tool is provided. The device comprises a testing body which is provided with a through space from the top to the down, and the through space at least comprises an internal nut space and a lower sensing space; a transmission mechanism which is composed of a screw rod piece and a nut piece, wherein the nut piece is arrange in the nut space, and the screw rod piece is arranged above the through space and passes through the nut piece in a spiral connection way; and a force sensing device which is arranged in the sensing space, wherein the force sensing device comprises an upper force sensing assembly and a lower sensing pedestal, the force sensing assembly is used for carrying and sensing compression force transmitted by the tail end of the screw rod piece, and converting the sensed compression force into torsional force, and the torsional force is converted into electronic messages by the sensing pedestal and output. By adopting the device, accuracy and applicability of torsional force measurement of a knocking type torsional force tool can be furthermore realized.
Description
Technical field
The utility model relates to a kind of torque test device, refers to that especially a kind of dynamic torque tool that is directed against carries out torsional test, and has the interface of splendid test accuracy and facilitated application reference, and can test to the percussive dynamic torque tool.
Background technology
Press; Generally need to be engaged in the worker who is rotated operation by torsion output; Spiral shell knot like screw rod, bolt is operated or the like; Normally utilize dynamic torque tool to assist and carry out, as hand dynamic torque tool and motor drive the continuity power tool of output, then also develop and a kind of percussive dynamic torque tool (Impact Wrench Tools).Because appropriateness, precision that the size of its torsion output of dynamic torque tool and running time relate to the workpiece locking; As locking operation do not put in place (torsion is too small or the running time is not enough), excessively packing (torsion is excessive or the running time is long) waits operation to go up torsion and the appropriate problem that cooperates of time; Therefore this dynamic torque tool needs its torsion output situation of test earlier, to reach best effect.The proving installation of known dynamic torque tool is as shown in Figure 1; The proving installation 90 of this dynamic torque tool is provided with operating space 91, nut space 92 and the pressure on every side of central part 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, and these 91 tops, operating space are provided with one and treat latch fitting 95, and a test screw rod 96 is to be spirally connected from top to down that this treats latch fitting 95 and nut casting die 93.When the proving installation 90 of this known dynamic torque tool uses; Be that spiral shell head 961 with 100 pairs of these test screw rods 96 of a dynamic torque tool reverses; And make this treat latch fitting 95 and the 93 relative closings of nut casting die by this its screw rod 962; So promptly this press is surveyed liquid 94 and produce force of compression, this force of compression is used tensile force suffered when being equivalent to this test screw rod 96 and receiving dynamic torque tool 100 starts, the proving installation 90 connections one strain-type pressure-sensing device (like hydralic pressure gauge) (not shown) of this dynamic torque tool in addition; In order to converting corresponding quantification of this tensile force into 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 that its torsion measures; So; Still have many disappearance problems to exist; For example; Since this test screw rod 96 in the locking process its bearing surface with treat that latch fitting 95 can produce a friction force A1,90 of proving installations treating latch fitting 95 and dynamic torque tool also can produce a friction force A2 and nut casting die 93 can and screw rod 962 generation friction force A3, the resistance of those friction force A1, A2 and A3 consumes and will make its accuracy of measurement cause very big influence, apparent nonideal design; Moreover; Because dynamic torque tool 100 is along with the different effects time, the torsion that it added up also can be different, and the proving installation 90 of this known dynamic torque tool also can't let operating personnel know the size of torque value under the different effects time span really; And be difficult to control accurately, also be its disappearance.
The utility model content
The purpose of the utility model is to provide a kind of proving installation of dynamic torque tool, to overcome the defective that exists in the known technology.
For realizing above-mentioned purpose, the proving installation of the dynamic torque tool that the utility model provides includes:
One test bodies, it is provided with a perforation 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 a screw rod spare and nut element, and this nut element is located at this nut space, and this screw rod spare is located at place, this run-though space top 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 strength sensing component of top and a sense base of below; This strength sensing component is accepted the terminal force of compression of being transmitted of this screw rod spare of sensing, and this strength sensing component converts the force of compression that senses into torsion, and this torsion converts electric message into by this sense base and transfers out.
The proving installation of said dynamic torque tool, wherein this run-though space include a top one on the space, the spiral shell head of this screw rod spare is positioned at the top in space on this and is the no Frotteurism of contactless his member.
The proving installation of said dynamic torque tool, wherein this run-though space include one be positioned at below, this nut space the operating space, the footpath in this nut space is wide should go up the space and this operating space is big.
The proving installation of said dynamic torque tool, wherein this run-though space include one be positioned at below, this operating space the transmission space, this transmits space and connects this sensing space.
The proving installation of said dynamic torque tool; Wherein this transmission mechanism includes one and transmits part; This transmission part is located at this transmission space; And the top of this transmission part, bottom are inserted into this operating space and this sensing space respectively, make the top of this transmission part be connected to this screw rod spare end, and the bottom of this transmission part are connected to this strength sensing component.
The proving installation of said dynamic torque tool, wherein this screw rod spare is the workpiece that screw rod, bolt or screw have screw thread.
The proving installation of said dynamic torque tool, wherein the two ends up and down of this transmission part are the setting of cone shape and have less contact area.
The proving installation of said dynamic torque tool, comprising a display device is arranged, this display device connects this force sensing apparatus with wired or wireless transmission mode.
The proving installation of said 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 said dynamic torque tool wherein should comprise by the plural number operational and controlled key button: several switch keys comprise a display mode/setting mode switching key and comprise a numeral increase enter key and a numeral minimizing enter key and a digital input validation key with a setting mode switching key and a display mode switch key, several enter keies.
The proving installation of said dynamic torque tool, wherein this time set is located at this display device inside.
The proving installation of said dynamic torque tool, wherein this display device is sent to an arithmetic unit with wired or wireless mode with information.
The good effect that has of the utility model is:
1) the friction resistance that can greatly eliminate in the measurement consumes, and makes to reach the splendid accuracy that torsion is measured.
2) can utilize the size of spiral shell spare body its terminal compressing force that produces in the process of locking; Make and quantize the torsion that the percussive dynamic torque tool is produced; And cooperate electronic type strength sensing component to measure its strength by compression effectively; Convert torque value again into, and then realize the accurate applicability that its torsion of percussive dynamic torque tool is measured.
3) can set the torsion measurement and open initial value as Measuring Time starting point and setting length action time; Act on the time of spiral shell spare body in order to effective control dynamic torque tool; And can be through the demonstration numerical value of electronic console; Let operating personnel know the size of torque value under the different effects time span really, and then reach effective control, use the torque value that the percussive dynamic torque tool is produced.
Description of drawings
Fig. 1 is the proving installation synoptic diagram of known dynamic torque tool.
Fig. 2 is the structural representation of the utility model.
Fig. 3 is that synoptic diagram is used in the demonstration of the utility model.
Fig. 4 is the operating process synoptic diagram of the utility model.
Primary clustering symbol description in the accompanying drawing:
Proving installation 10; Test bodies 11; Last space 111; Nut space 112; Operating space 113; Sensing space 114; Transmit space 115; Transmission mechanism 20; Screw rod spare 21; Spiral shell head 211; Screw rod 212; Nut element 22; Transmit part 23; Force sensing apparatus 30; Strength sensing component 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 measures start key 47; Display mode/setting mode switching key 48; Set mode switching key 49; Display mode switch key 50; The proving installation 90 of dynamic torque tool; Operating space 91; Nut space 92; Nut casting die 93; Press and survey liquid 94; Treat latch fitting 95; Test screw rod 96; Spiral shell head 961; Screw rod 962; Dynamic torque tool 100.
Embodiment
The technological means of the utility model comprises: a test bodies, and it is provided with a perforation 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 a screw rod spare and nut element, and this nut element is located at this nut space, and this screw rod spare is located at place, this run-though space top 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 strength sensing component of top and a sense base of below; This strength sensing component is accepted the terminal force of compression of being transmitted of this screw rod spare of sensing, and this strength sensing component converts the force of compression that senses into torsion, and this torsion will be converted into electric message and transferred out by this sense base.
For further understanding and understanding more being arranged, combine accompanying drawing to elaborate with preferred embodiment to technical characterictic of the utility model and the effect of being reached.
See also Fig. 2, the utility model includes a test bodies 11, transmission mechanism 20 and force sensing apparatus 30 in order to the proving installation 10 that carries out its torsion of dynamic torque tool and measure; The top of this test bodies 11 from top to bottom (according to the page of figure) be provided be connected one on space 111, nut space 112 and operating space 113, wherein, space 111 connection space outerpaces this on; Wide upward space 111, the footpath in this nut space 112 and operating space 113 are big; 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, promptly should transmit space 115 and be communicated with this operating space 113 and sensing space 114.Aforementioned space 111, nut space 112, operating space 113, transmission space 115 and the sensing space 114 of should going up constitutes one in order to the run-though space of each device, member to be set.
This transmission mechanism 20 includes a screw rod spare 21, nut element 22 and transmits part 23, and wherein this nut element 22 is located at this nut space 112; This screw rod spare 21 can be the workpiece that screw rod, bolt or screw etc. have screw thread; It includes a spiral shell head 211 and screw rod 212; This screw rod spare 21 is spirally connected through this nut element 22 through space on this 111; The bottom of this screw rod spare 21 is positioned at this operating space 113, and this spiral shell head 211 is positioned at the top in space 111 on this and is the no Frotteurism of contactless other members, and this nut element 22 is in order to support location this screw rod spare 21; This transmission part 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 transmission part 23, bottom are inserted into this operating space 113 and this sensing space 114 respectively, make the top of this transmission part 23 be connected to this screw rod spare 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 strength sensing component 31 (electronic type) of top; These strength sensing component 31 butts should transmit part 23; And accept the force of compression that this transmission part 23 of sensing (screw rod spare 21 ends) is transmitted, and this strength sensing component converts the force of compression that senses into torsion, and this torsion will convert electric message into by a sense base 32 of below and transfer out.In suitable embodiment; The two ends up and down of this transmission part 23 are the setting of cone shape, promptly have less contact area, so; Can make contact friction force B1, the B2 of 31 of this transmission part 23 and this screw rod 212, strength sensing components reduce to minimum, and not hinder the transmission of straight line force of compression; Or in other embodiment, the end of this screw rod spare 21 is directly to contact at this strength sensing component 31, that is, make this strength sensing component 31 directly bear this screw rod spare 21 terminal force of compression that transmitted.
During the utility model Test Application; Be that the percussive dynamic torque tool (dynamic torque tool) 100 that a desire is tested is directly carried out twist operation to this screw rod spare 21; This screw rod spare 21 will reverse and compresses operation downwards and produce downward force of compression in this nut element 22 with this; This force of compression also makes force of compression be passed to this strength sensing component 31 through this transmission part 23, and promptly the size by this screw rod spare 21 its terminal compression (Compression) strength that is produced in the locking process quantizes the torsion that this percussive dynamic torque tool is produced.Because during the utility model Test Application; This percussive dynamic torque tool 100 is not like ground as the known technology one thing to be locked to be locked (consulting Fig. 1); So can exempt the resistance consumption problem that this waits to lock associated friction force that thing produces (A1, A2); And because of this contact friction force B1, B2 that transmits 31 of part 23 and this screw rod 212, strength sensing components very little; So the torsion of this percussive dynamic torque tool 100 (dynamic torque tool) can be by in this screw rod spare 21 locking processes; It is terminal and transmit compression (Compression) strength that part 23 produced and directly axially be passed to this strength sensing component 31 for this screw rod spare 21, measures its strength by compression effectively through this force sensing apparatus 30 again and converts torsion into, and this torsion converts electric message into by a sense base 32 of below and transfers out.
See also Fig. 3; The proving installation of the utility model dynamic torque tool further includes a display device 40; This display device 40 is to connect this force sensing apparatus 30 (sense base 32) to receive and to show that the electric message by this sense base 32 torsion that sent, this display device 40 include a display screen 42, plural operational and controlled key button, a time set (figure does not show) and a memory element (like internal memory) (figure does not show) with transmission line 41 (or wireless transmission method); This plural number operational and controlled key button comprises: a power switch key 46, a torsion measure start key 47, several switch keys and comprise a display mode/settings mode switching key 48 and and set mode switching key 49 and comprise a numeral increase enter key 43 and a digital minimizing enter key 44 and a digital input validation key 45 with a display mode switch key 50, several enter keies; This display screen 42 is provided with switchable display mode and setting pattern, and it switches through pushing this display mode/setting mode switching key 48; This display screen 42 is provided with the information such as torque value, torsion maximal value of different effects time value and is shown on this display screen 42 under display mode, shows these information through pushing that this display mode switch key 50 switches at this display screen 42; This display screen 42 is under the setting pattern; Be provided with following three setting patterns: the measurement time value is set pattern, torsion opens initial value and sets pattern and spacing value setting action time pattern, and above-mentioned three setting patterns are to switch through pushing this setting mode switching key 49; When switching one of above-mentioned three setting patterns of entering; Be through those enter keies set input measure time value or torsion open initial value or action time spacing value, promptly using should numeral increase enter key 43 and increases numerical value, uses and should numeral reduce enter key 44 and reduce numerical value, use and should confirm numerical value by numeral input validation key 45; This time set 51 (figure does not show) is located at this display device 40 inside; When sending torque value by 32 of this sense bases when reaching the torsion that sets and opening initial value; This time set promptly picks up counting; Set the measurement time value when the timing of this time set has reached, then timing stops, and the proving installation of dynamic torque tool stops to measure; This memory element reaches the measurement time value of setting input under measurement time value setting pattern, opens in torsion and set spacing value action time that the torsion of importing opens initial value, setting is imported under spacing value setting action time pattern under the initial value setting pattern in order to the torsion information that stores measurement of correlation gained that this force sensing apparatus 30 transmits, the clocking information of this time set.
And this display device 40 can wired or wireless mode be sent to an arithmetic unit (like various computing machine, flat computer, mobile phone etc.) with information; Carry out computing by this arithmetic unit through Software tool (like electrical forms such as EXCEL); And can information be converted into the display message such as acrotorque value of torsion-time plot, testing tool; The torsion information that lets the user that this desire is tested dynamic torque tool comes into plain view.Certainly, this display device 40 also can in establish this arithmetic unit, and replace the setting of concatenation operation device.
(comprise that motor drives continuity power tool and the percussive dynamic torque tool of output etc.) because dynamic torque tool and desire to reach its accurate constructing operation; The control of the accuracy of its torque magnitude and running time length (stand-by time point) must suit in collocation; As screw lock operation avoid too tight or too loose; Avoiding producing follow-up unscheduled event, and the utility model is by the setting of this display screen 42 and plural operational and controlled key button 43～50, has following utilization and effect to manifest assisting to measure at least:
1) can set torsion and open initial value, as the starting point that measures the time:
As stated; Can when switch to torsion and open initial value and set pattern, set input torsion with those enter keies 43,44,45 and open initial value, for example setting torsion, to open initial value be 0.1 unit torsion; Understand some unsettled action when just beginning and cause torsion slightly because of measuring; It does not belong to the normal torsion of this instrument, if this belongs to normal torsion since 0.1 unit torsion, then we can set torsion to open initial value be 0.1 unit torsion; So can avoid calculating the time of those unsettled actions when just beginning, and known percussive dynamic torque tool measurement mechanism can't be done this setting.
2) can set the measurement time value; And show the acrotorque value of dynamic torque tool to be tested: when reaching torsion and open initial value; Begin to calculate and measure time value: after the time that sets arrives; Then stop to measure, and this display screen 42 of the utility model can show the dynamic torque tool the tested acrotorque value at setting-up time Nei Keda.
3) can set spacing value action time,, be presented at the torsion of putting each action time with switching mode through operational and controlled key button.
As stated; Can be when switching to spacing value setting action time pattern 56; Set the input action time interval value with those enter keies 43,44,45, for example can setting effect spacing value be: 0.5 second or 1.0 seconds etc., aforementioned for another example; Can be through pushing that this display mode switch key 50 switches and this display screen 42 show according to this action time spacing value each action time point torsion, those each action times, the torsion information of point also was stored in this memory element; The utility model can reach above accurately measuring, and known percussive dynamic torque tool measurement mechanism can't be done this setting and also can't reach above accurately measuring.
See also Fig. 4, its method of operating step of the proving installation of the utility model dynamic torque tool comprises:
S51: the dynamic torque tool of desire test is carried out twisting action to the screw rod spare of proving installation;
S52: the end of this screw rod spare, because of the rotation downward force of compression that produces in nut element, this force of compression passes to the transmission part downwards;
S53: this transmission part passes to the strength sensing component with force of compression;
S54: this this strength sensing component converts the force of compression that senses into torsion, and this torsion is converted into electric message and is transported to display equipment by sense base; And
S55: this display equipment demonstrates the acrotorque value, and switches according to user's control button, shows the torque value of different effects time point.
The utility model is made up of aforementioned; Can greatly eliminate the friction resistance consumption in the measurement, make to reach the splendid accuracy that torsion is measured, and utilize the size of spiral shell spare body its terminal compressing force that produces in the process of locking; Make and quantize the torsion that the percussive dynamic torque tool is produced; And cooperate electronic type strength sensing component to measure its strength by compression effectively, convert torque value again into, and then realize the accurate applicability that its torsion of percussive dynamic torque tool is measured; And the utility model can be set torsion and measure initial value as Measuring Time starting point and setting length action time; Act on the time of spiral shell spare body in order to effective control dynamic torque tool; And can be through the demonstration numerical value of electronic console; Let operating personnel know that really difference makes the size of torque value under the time span, and then reach effective control, use the torque value that the percussive dynamic torque tool is produced.
The content of above-mentioned explanation is merely the preferred embodiment explanation of the utility model, and all variations of extending according to the technological means of the utility model all should fall into the claim scope of the utility model application, explanation hereby.
Claims (12)
1. the proving installation of a dynamic torque tool is characterized in that, includes:
One test bodies, it is provided with a perforation 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 a screw rod spare and nut element, and this nut element is located at this nut space, and this screw rod spare is located at place, this run-though space top 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 strength sensing component of top and a sense base of below; This strength sensing component is accepted the terminal force of compression of being transmitted of this screw rod spare of sensing, and this strength sensing component converts the force of compression that senses into torsion, and this torsion converts electric message into by this sense base and transfers out.
2. according to the proving installation of the said dynamic torque tool of claim 1, it is characterized in that, wherein this run-though space include a top one on the space, the spiral shell head of this screw rod spare is positioned at the top in space on this and is the no Frotteurism of contactless his member.
3. according to the proving installation of the said dynamic torque tool of claim 2, it is characterized in that, wherein this run-though space include one be positioned at below, this nut space the operating space, the footpath in this nut space is wide should go up the space and this operating space is big.
4. according to the proving installation of the said dynamic torque tool of claim 3, it is characterized in that, wherein this run-though space include one be positioned at below, this operating space the transmission space, this transmits space and connects this sensing space.
5. according to the proving installation of the said dynamic torque tool of claim 4; It is characterized in that; Wherein this transmission mechanism includes one and transmits part, and this transmission part is located at this transmission space, and the top of this transmission part, bottom are inserted into this operating space and this sensing space respectively; Make the top of this transmission part be connected to this screw rod spare end, and the bottom of this transmission part is connected to this strength sensing component.
6. according to the proving installation of the said dynamic torque tool of claim 1, it is characterized in that wherein this screw rod spare is the workpiece that screw rod, bolt or screw have screw thread.
7. according to the proving installation of the said dynamic torque tool of claim 5, it is characterized in that wherein the two ends up and down of this transmission part are the setting of cone shape and have less contact area.
8. according to the proving installation of the said dynamic torque tool of claim 1, it is characterized in that comprising a display device is arranged, this display device connects this force sensing apparatus with wired or wireless transmission mode.
9. the proving installation of said dynamic torque tool according to Claim 8 is characterized in that wherein this display device includes a display screen, plural operational and controlled key button, a time set and a memory element.
10. according to the proving installation of the said dynamic torque tool of claim 9; It is characterized in that, wherein should comprise by the plural number operational and controlled key button: several switch keys comprise a display mode/setting mode switching key and comprise a numeral increase enter key and a numeral minimizing enter key and a digital input validation key with a setting mode switching key and a display mode switch key, several enter keies.
11. the proving installation according to the said dynamic torque tool of claim 10 is characterized in that, wherein this time set is located at this display device inside.
12. the proving installation according to the said dynamic torque tool of claim 11 is characterized in that, wherein this display device is sent to an arithmetic unit with wired or wireless mode with information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204621652U CN202329902U (en) | 2011-11-21 | 2011-11-21 | Testing device of torsional force tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204621652U CN202329902U (en) | 2011-11-21 | 2011-11-21 | Testing device of torsional force tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202329902U true CN202329902U (en) | 2012-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204621652U Expired - Fee Related CN202329902U (en) | 2011-11-21 | 2011-11-21 | Testing device of torsional force tool |
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| Country | Link |
|---|---|
| CN (1) | CN202329902U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115707A (en) * | 2011-11-17 | 2013-05-22 | 李树国 | Testing device of torsion tool |
| CN104655345A (en) * | 2013-11-18 | 2015-05-27 | 纬创资通股份有限公司 | Torsion testing tool |
-
2011
- 2011-11-21 CN CN2011204621652U patent/CN202329902U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103115707A (en) * | 2011-11-17 | 2013-05-22 | 李树国 | Testing device of torsion tool |
| CN103115707B (en) * | 2011-11-17 | 2015-08-19 | 李树国 | The proving installation of dynamic torque tool |
| CN104655345A (en) * | 2013-11-18 | 2015-05-27 | 纬创资通股份有限公司 | Torsion testing tool |
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| 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: 20120711 Termination date: 20161121 |