CN102322990A - Force transducer with overload protection function and adjustable overload capacity - Google Patents
Force transducer with overload protection function and adjustable overload capacity Download PDFInfo
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- CN102322990A CN102322990A CN201110247466A CN201110247466A CN102322990A CN 102322990 A CN102322990 A CN 102322990A CN 201110247466 A CN201110247466 A CN 201110247466A CN 201110247466 A CN201110247466 A CN 201110247466A CN 102322990 A CN102322990 A CN 102322990A
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- overload protection
- cylinder
- force cell
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Abstract
The invention discloses a tension type force transducer with an overload protection function and adjustable overload capacity. The force transducer with the overload protection function and the adjustable overload capacity, which is disclosed by the invention, comprises an elastic body with a special structure, a resistance strain gauge connected onto the elastic body, a circuit board equipped with a detection circuit, and a lead, wherein threaded holes and through holes which are used for assembling other connecting pieces, an adjusting screw, a set screw and a protecting cover plate are arranged on the elastic body. The force transducer with the overload protection function and the adjustable overload capacity has the advantages that the defect that the prior transducer cannot perform the overload protection function or the overload protection capacity cannot be adjusted is overcome, the assembly is convenient, and the mounting prestressing force can be effectively removed.
Description
Technical field
The invention belongs to the force-measuring sensing field, be specifically related to the adjustable tensile force type force cell of a kind of band overload protection function and overload capacity.
Background technology
Present pull-type force cell is widely used in that suspension is weighed or tensile test, in case the overload phenomenon is arranged, be prone to accidents in the use, so sensor that overload protecting mechanism is set is very necessary; Traditional overload protection is provided with a fixing overload protection, and when reaching this load, overload mechanism works; And that no occasion requires overload is different, protects by same load, seems dumb; For example: adopt traditional overload protection; The overload capacity of its setting is 150%F.S, and actual the use has only 120%F.S, and then traditional overload protection is inoperative basically.
Summary of the invention
It is strong that the technical matters that the present invention will solve provides a kind of applicability, band overload protection function and the adjustable tensile force type force cell of overload capacity.
In order to solve the problems of the technologies described above, the present invention provides following technical scheme:
The adjustable tensile force type force cell of a kind of band overload protection function and overload capacity; Be installed between respective fixation part and the web member; Wherein web member one end links to each other with said force cell, and said tensile force type force cell comprises first body that links to each other with fixture, second body that links to each other with said web member one end; Be located at two between two bodies and connect cylinder; Each connects cylinder one end and is connected with second body-fixed, and the other end passes through set screw and is connected with first body, wherein connect be provided with in the cylinder with set screw in the corresponding threaded hole of threaded rod; Be provided with in first body with set screw in nut correspondingly advance to follow closely groove, and along advancing to follow closely the said nut of direction and advancing to follow closely and leave preset overload gap between the groove notch;
Also comprise being located at connecting in the space that cylinder surrounded, and connect the elastic component of first and second body, be provided with in the elastic component and answer power transmitter and respective detection circuit by first body, second body, two.
Further, said first body is provided with and is used for the pin shaft hole that is connected with the fixture bearing pin;
Further, said second body is provided with and is used for the threaded hole that is connected with the web member threaded one end;
Further, also comprise with above-mentioned and be connected the corresponding protective cover in space that cylinder surrounds by first body, second body, two;
Further, also comprise and the lead of answering power transmitter to link to each other, and the fairlead of lead-in wire usefulness, offer the through hole that is used to settle said fairlead on said connection cylinder, the elastic component;
Further, comprise that also nail joint connects the holding screw of cylinder and its threaded rod of set screw.
Description of drawings
Below in conjunction with accompanying drawing and embodiment technical scheme of the present invention is further specified:
Fig. 1 is the structural representation of an embodiment of the present invention.
Fig. 2 is the structural representation of the corresponding embodiment of Fig. 1.
Fig. 3 is and the corresponding part-structure synoptic diagram of Fig. 1 (not drawing set screw, protective cover, fairlead).
Embodiment
As shown in Figure 1; A kind of band overload protection function of the present invention and the adjustable tensile force type force cell of overload capacity are installed between respective fixation part and the web member, and wherein web member one end links to each other with said force cell; Said tensile force type force cell comprises first body that links to each other with fixture; With second body 2 that said web member one end links to each other, to be located at two between two bodies and to connect cylinder, each connects cylinder one end and is fixedly connected with second body 2; The other end is connected with first body through set screw 7; Wherein connect be provided with in the cylinder with set screw 7 in the corresponding threaded hole of threaded rod, be provided with in first body with set screw 7 in nut correspondingly advance to follow closely groove, and along advancing to follow closely the said nut of direction and advancing to follow closely and leave preset overload gap L between the groove notch;
Also comprise being located at connecting in the space that cylinder surrounded, and connect the elastic component 6 of first and second body, be provided with in the elastic component 6 and answer power transmitter and respective detection circuit by first body, second body 2, two.
Said first body is provided with and is used for the pin shaft hole 5 that is connected with the fixture bearing pin;
Said second body 2 is provided with and is used for the connection screw thread hole 1 that is connected with the web member threaded one end;
Also comprise with above-mentioned and be connected the corresponding protective cover 3 in space that cylinder surrounds by first body, second body 2, two;
Also comprise and the lead of answering power transmitter to link to each other, and the fairlead 4 of lead-in wire usefulness, offer the through hole that is used to settle said fairlead 4 on said connection cylinder, the elastic component 6;
Comprise that also nail joint connects the holding screw 8 of cylinder and set screw 7 its threaded rods.
Establish simultaneously and enclose protective cover 3, improve the environment applicability of sensor; Through hole and conduit 4 are set, are convenient to sense line is led in/out, transducing signal is transferred to Logical processing unit or the processing of other data processing equipments that is arranged on the elsewhere the most at last.
Said first body, second body 2 adopt with elastic component 6 identical resilient materials and constitute.
The said power transmitter of answering adopts resistance strain gage.
For a person skilled in the art, under the prerequisite that does not break away from structure of the present invention, can also make some distortion and improvement, these also should be regarded as protection scope of the present invention, and these can not influence effect and practical applicability that the present invention implements.
Claims (6)
1. be with overload protection function and the adjustable tensile force type force cell of overload capacity for one kind; Be installed between respective fixation part and the web member; Wherein web member one end links to each other with said force cell, it is characterized in that: said tensile force type force cell comprises first body that links to each other with fixture, second body that links to each other with said web member one end; Be located at two between two bodies and connect cylinder; Each connects cylinder one end and is connected with second body-fixed, and the other end passes through set screw and is connected with first body, wherein connect be provided with in the cylinder with set screw in the corresponding threaded hole of threaded rod; Be provided with in first body with set screw in nut correspondingly advance to follow closely groove, and along advancing to follow closely the said nut of direction and advancing to follow closely and leave preset overload gap between the groove notch;
Also comprise being located at connecting in the space that cylinder surrounded, and connect the elastic component of first and second body, be provided with in the elastic component and answer power transmitter and respective detection circuit by first body, second body, two.
2. be with the adjustable tensile force type force cell of overload protection function and overload capacity according to claim 1, it is characterized in that: said first body is provided with and is used for the pin shaft hole that is connected with the fixture bearing pin.
3. be with the adjustable tensile force type force cell of overload protection function and overload capacity according to claim 1, it is characterized in that: said second body is provided with and is used for the threaded hole that is connected with the web member threaded one end.
4. be with the adjustable tensile force type force cell of overload protection function and overload capacity according to claim 1, it is characterized in that: also comprise with above-mentioned being connected the corresponding protective cover in space that cylinder surrounds by first body, second body, two.
5. be with the adjustable tensile force type force cell of overload protection function and overload capacity according to claim 1; It is characterized in that: also comprise and the lead of answering power transmitter to link to each other; And the fairlead of lead-in wire usefulness, offer the through hole that is used to settle said fairlead on said connection cylinder, the elastic component.
6. be with the adjustable tensile force type force cell of overload protection function and overload capacity according to claim 1, it is characterized in that: comprise that also nail joint connects the holding screw of cylinder and its threaded rod of set screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110247466A CN102322990A (en) | 2011-08-26 | 2011-08-26 | Force transducer with overload protection function and adjustable overload capacity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110247466A CN102322990A (en) | 2011-08-26 | 2011-08-26 | Force transducer with overload protection function and adjustable overload capacity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102322990A true CN102322990A (en) | 2012-01-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110247466A Pending CN102322990A (en) | 2011-08-26 | 2011-08-26 | Force transducer with overload protection function and adjustable overload capacity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102322990A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103528726A (en) * | 2013-11-01 | 2014-01-22 | 哈尔滨工业大学 | Cross-beam-type six-dimensional force sensor with overload protection function |
| CN105651446A (en) * | 2016-03-18 | 2016-06-08 | 安徽锐聪机器人有限公司 | Six-dimensional force sensor |
| CN111097716A (en) * | 2019-12-25 | 2020-05-05 | 昆山孚思格机电科技有限公司 | Chain type force measuring separator reference end extension driving and overload protection method |
| CN112213006A (en) * | 2020-09-29 | 2021-01-12 | 中航电测仪器股份有限公司 | Overload protection method and structure of force sensor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0094446B1 (en) * | 1982-05-19 | 1986-02-12 | Hottinger Baldwin Messtechnik Gmbh | Pressure detector with a membrane and an overload stopper |
| CN2173396Y (en) * | 1993-09-06 | 1994-08-03 | 李强 | tension sensor |
| CN1793801A (en) * | 2005-12-29 | 2006-06-28 | 管学忠 | Anti-overload protoction device of electron balance sensor |
| CN201116884Y (en) * | 2007-11-20 | 2008-09-17 | 杭州恒联电测仪器有限公司 | Hanging type weighing sensor |
| CN201348547Y (en) * | 2009-02-16 | 2009-11-18 | 宁波博达电气有限公司 | Pulling-pressing force sensor |
| CN202255707U (en) * | 2011-08-26 | 2012-05-30 | 重庆大唐科技股份有限公司 | Force transducer having overload protection function and adjustable overload capacity |
-
2011
- 2011-08-26 CN CN201110247466A patent/CN102322990A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0094446B1 (en) * | 1982-05-19 | 1986-02-12 | Hottinger Baldwin Messtechnik Gmbh | Pressure detector with a membrane and an overload stopper |
| CN2173396Y (en) * | 1993-09-06 | 1994-08-03 | 李强 | tension sensor |
| CN1793801A (en) * | 2005-12-29 | 2006-06-28 | 管学忠 | Anti-overload protoction device of electron balance sensor |
| CN201116884Y (en) * | 2007-11-20 | 2008-09-17 | 杭州恒联电测仪器有限公司 | Hanging type weighing sensor |
| CN201348547Y (en) * | 2009-02-16 | 2009-11-18 | 宁波博达电气有限公司 | Pulling-pressing force sensor |
| CN202255707U (en) * | 2011-08-26 | 2012-05-30 | 重庆大唐科技股份有限公司 | Force transducer having overload protection function and adjustable overload capacity |
Non-Patent Citations (1)
| Title |
|---|
| 夏仁华: "传感器的过载保护", 《衡器》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103528726A (en) * | 2013-11-01 | 2014-01-22 | 哈尔滨工业大学 | Cross-beam-type six-dimensional force sensor with overload protection function |
| CN103528726B (en) * | 2013-11-01 | 2015-05-13 | 哈尔滨工业大学 | Cross-beam-type six-dimensional force sensor with overload protection function |
| CN105651446A (en) * | 2016-03-18 | 2016-06-08 | 安徽锐聪机器人有限公司 | Six-dimensional force sensor |
| CN111097716A (en) * | 2019-12-25 | 2020-05-05 | 昆山孚思格机电科技有限公司 | Chain type force measuring separator reference end extension driving and overload protection method |
| CN111097716B (en) * | 2019-12-25 | 2022-05-10 | 昆山孚思格机电科技有限公司 | Chain type force measuring separator reference end extension driving and overload protection method |
| CN112213006A (en) * | 2020-09-29 | 2021-01-12 | 中航电测仪器股份有限公司 | Overload protection method and structure of force sensor |
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Application publication date: 20120118 |