CN202903406U - Force measurement device of tensioner - Google Patents
Force measurement device of tensioner Download PDFInfo
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- CN202903406U CN202903406U CN 201220425520 CN201220425520U CN202903406U CN 202903406 U CN202903406 U CN 202903406U CN 201220425520 CN201220425520 CN 201220425520 CN 201220425520 U CN201220425520 U CN 201220425520U CN 202903406 U CN202903406 U CN 202903406U
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Abstract
The utility model provides a force measurement device of a tensioner, belonging to the technical field of machinery and solving the problems of complex structure, relatively high cost and low stability of the traditional common tensioner. The force measurement device of the tensioner comprises a fixed part and a movable part, wherein the fixed part is fixedly connected with the tensioner; the movable part is used for connecting with a binding belt; a guide structure which can enable the movable part to translate relative to the fixed part is positioned between the fixed part and the movable part; the fixed part is internally provided with a load-bearing lever, and an inner end of the load-bearing lever is hinged to the fixed part; a spring is arranged between the load-bearing lever and the movable part; the outer side of the movable part is provided with a plurality of number tokens and a pointer which can swing; and the load-bearing lever is connected with the pointer, when the load-bearing lever is only subjected to the elasticity action of the spring, the load-bearing lever drives the pointer to point to the zero graduation of scale identification, and the outer end of the load-bearing lever has a trend of abutting the movable part under the elasticity action of the spring.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to the device for measuring force in a kind of strainer for restraint of loads, particularly strainer.
Background technology
Strainer is widely used in logistic industry, by it goods is firmly bundled, so that goods can not become flexible or come off in transportation.
Existing strainer in use goods whether bundle firmly be to rely on operator's experience to determine fully.Goods its seizing force after binding can't intuitively be understood.
In order to address the above problem, its publication number of Chinese patent CN201707163U provide " a kind of seizing force tester for strainer ", it comprises a dynamometry part that is column, have the connecting portion that can be connected with the strainer body on the dynamometry part, dynamometry part sidepiece axially has one recess and all forms in the recess both sides along it and has flexible fin.It can be applied on the common strainer, but the dynamometry part must have elasticity.Its elasticity can weaken after long-time the use, affects the dynamometry accuracy, and elasticity weakens rear whole device and just scrap and can't use, and makes its cost higher.
Its publication number of Chinese patent CN201484273U provide a kind of " rigid force-measuring tensioner ", and it comprises the tensioning mechanism with a handle, and the two ends of tensioning mechanism are connected with respectively hook, and the distance when pulling handle between two hooks can shorten.The forced section of tensioning mechanism is provided with sensor, and sensor just can result from the corresponding signal of tightening force size when strainer is in tension, and shows the tightening force size by display device.Can find out that show the tightening force size although above-mentioned strainer can be known, sensor, display device etc. must arrange power supply and just can work, it is complex structure not only, and cost is higher.Service condition is also restricted, if power supply: dead battery for example, it just can not go out tightening force by proper testing.
Existing other strainers also all exist similar problem.
Summary of the invention
The purpose of this utility model is the problems referred to above that exist for prior art, and a kind of device for measuring force of simple in structure, strainer that stability is high is provided.
The purpose of this utility model can realize by following technical proposal: a kind of device for measuring force of strainer, the movable part that comprises for the fixture that is connected with strainer and be used for linking with bundling belt, it is characterized in that, have between described fixture and the movable part and can make movable part with respect to the guide frame of fixture translation, it is inner hinged with fixture to be provided with load-bearing lever and load-bearing lever in the described fixture, be provided with spring between described load-bearing lever and the movable part, the pointer that the described movable part outside has some Digital IDs and can swing, described load-bearing lever and pointer links and the load-bearing lever only is subjected to the elastic force of spring to do the zero graduation place of time spent load-bearing lever drives pointed scale marker, load-bearing lever outer end has the trend that is resisted against on the movable part under the elastic force effect of above-mentioned spring.
The device for measuring force of this strainer is because it is between strainer and bundling belt, movable part can move with respect to fixture during the binding operation, movable part makes the load-bearing lever overcome spring force and swings, because pointer and load-bearing lever link, pointer just makes pointer be changed into the scale place of other Digital ID of sensing by original sensing zero graduation after along with movement.Seizing force was corresponding when the scale of pointer indication was tied up operation with the strainer bundle is current.
In the device for measuring force of above-mentioned strainer, described fixture takes the shape of the letter U, and described fixture U-shaped indent is fixed with holder, and above-mentioned load-bearing lever is hinged on the holder.
Holder and fixture are connected, and when movable part moved with respect to fixture, movable part can push the load-bearing lever, make the load-bearing lever overcome spring force and swing.
In the device for measuring force of above-mentioned strainer, the quantity of described load-bearing lever is that two and both are symmetrical arranged, and it is intermeshing by teeth that described load-bearing lever outer end has the outer end of teeth and above-mentioned two load-bearing levers.
Two load-bearing levers swing simultaneously, prevent that unbalance stress from affecting the dynamometry accuracy of device for measuring force.
In the device for measuring force of above-mentioned strainer, the adjusting screw(rod) that has been threaded on the described fixture, above-mentioned spring housing acts on respectively on adjusting screw(rod) and the load-bearing lever on the adjusting screw(rod) and the two ends of spring.
Its position with respect to fixture changes after rotating adjusting screw(rod), thereby has changed the elastic force of spring.That is to say, by adjusting screw(rod) is regulated, can accurately test seizing force so that this device for measuring force remains.
In the device for measuring force of above-mentioned strainer, described adjusting screw(rod) sidepiece has the spring base of protrusion, also overlap on the described adjusting screw(rod) pad is arranged, the two ends of above-mentioned spring act on respectively on spring base and the pad, have the trend that is resisted against place, above-mentioned two load-bearing lever outer ends at the elastic force effect lower gasket of spring.
The elastic force of spring acts directly on the pad, and pad is pressed on the outer end of two load-bearing levers simultaneously by the elastic force of spring.
In the device for measuring force of above-mentioned strainer, has adjustment hole on the described movable part, above-mentioned adjusting screw(rod) end is stretched out fixture and is positioned at the adjustment hole place, and described adjustment hole place has lock nut, and lock nut is connected with above-mentioned adjusting screw(rod) end thread and is resisted against outside the fixture.
After the adjusting screw(rod) position adjustments is good, lock nut is threaded on the adjusting screw(rod), and lock nut is resisted against on the fixture, thereby the position of adjusting screw(rod) is fixed.
In the device for measuring force of above-mentioned strainer, be connected with tooth bar on the described load-bearing lever, have on the described holder with above-mentioned pointer and be connected in transmission gear and tooth bar and transmission gear engagement.
In the device for measuring force of above-mentioned strainer, the curved and tooth bar of described tooth bar is connected on the above-mentioned load-bearing lever.
Load-bearing lever swing process middle rack is along with swing, because tooth bar meshes with transmission gear, the pointer of transmission gear rotation process is along with swing, and points to the scale marker place that current device for measuring force tests out.
In the device for measuring force of above-mentioned strainer, the connecting portion that described movable part comprises guide part and is used for linking with bundling belt, described guide part is positioned at fixture U-shaped indent, above-mentioned guide frame comprises the gathering sill that is positioned at the guide part both sides, and U-shaped two edges of above-mentioned fixing piece are positioned at the gathering sill place.
By said structure so that movable part can only be along the fixture translation.
In the device for measuring force of above-mentioned strainer, described connecting portion is the bar shaped perforation that runs through movable part.
The bundling belt end can be fixed on bar shaped perforation place.
In the device for measuring force of above-mentioned strainer, described fixture sidepiece has the gear edge of protrusion, when movable part moves gear along being resisted against the gathering sill end with respect to fixture.
Such structure can be avoided movable part disengaging fixture in the dynamometry process.
In the device for measuring force of above-mentioned strainer, form the working chamber of sealing between the guide part of described movable part and the fixture, above-mentioned load-bearing lever, holder and spring all are positioned at working chamber.
Most of part of device for measuring force is positioned at working chamber, and avoiding impurity etc. to enter affects dynamometry stability in it.
In the device for measuring force of above-mentioned strainer, also has the briquetting between movable part and load-bearing lever in the described working chamber, have on the described briquetting two be that wedge angle protrudes and with the load-bearing lever section that exerts pressure one to one, the described section of exerting pressure is resisted against above-mentioned load-bearing lever middle part.
By two sections that exert pressure so that two load-bearing levers pressurized all during dynamometry improves the dynamometry accuracy.
In the device for measuring force of above-mentioned strainer, the described section both sides of exerting pressure have guide pole, and above-mentioned load-bearing lever is between two guide poles of the same section that exerts pressure.
Because the section of exerting pressure is positioned between two guide poles, can guarantee that like this load-bearing lever stablizes stressed.
Compared with prior art, the device for measuring force of this strainer is simultaneously stressed by two load-bearing levers, can guarantee the stressed seizing force that whether evenly can both accurately test out strainer of this device, has higher practical value.
Simultaneously, because working chamber place between fixture and movable part all such as load-bearing lever, holder and spring, so that above-mentioned part can operating stably, not only improved the stability of whole device, and structure is also compact.
In addition, can also accurately indicate current seizing force by pointer.By total indicator reading, simple and clear.Therefore, this device uses also more convenient.
Description of drawings
Fig. 1 is the structural representation of strainer with device for measuring force of this strainer.
Fig. 2 is the perspective view of the device for measuring force of this strainer.
Fig. 3 is the inner structure synoptic diagram of the device for measuring force movable part of this strainer.
Fig. 4 is the perspective view of movable part in the device for measuring force of this strainer.
Fig. 5 is the structural representation at the device for measuring force middle gear place of this strainer.
Fig. 6 is the syndeton synoptic diagram of briquetting and load-bearing lever in the device for measuring force of this strainer.
Among the figure, 1, fixture; 1a, gear edge; 2, movable part; 2a, connecting portion; 2b, guide part; 2b1, gathering sill; 2c, adjustment hole; 3, holder; 4, load-bearing lever; 4a, teeth; 5, spring; 6, pointer; 7, tooth bar; 8, transmission gear; 9, adjusting screw(rod); 9a, spring base; 10, pad; 11, lock nut; 12, working chamber; 13, briquetting; 13a, section exerts pressure; 13b, guide pole; 14, strainer; 15, bundling belt.
Embodiment
As shown in Figure 1, the device for measuring force of this strainer comprises movable part 1 and fixture 2, and fixture 2 is used for being connected with strainer 14, and movable part 2 is used for linking with bundling belt 15.Can make the operator understand current seizing force by this device in the strainer binding operation.
Have guide frame between fixture 1 and the movable part 2, make movable part 2 with respect to fixture 1 translation by this guide frame.
The connecting portion 2a that movable part 2 comprises guide part 2b and is used for linking with bundling belt 15, guide part 2b is positioned at the U-shaped indent of fixture 1, and connecting portion 2a is the bar shaped perforation that runs through movable part, and bundling belt 15 ends are connected to bar shaped perforation place.Guide frame comprises the gathering sill 2b1 that is positioned at guide part 2b both sides, and U-shaped two edges of fixture 1 are positioned at gathering sill 2b1 place.In the present embodiment, the gear that fixture 1 sidepiece has protrusion is along 1a, and gear can be resisted against gathering sill 2b1 end along 1a when movable part 2 moved with respect to fixture 1, reached position-limiting action by such structure, avoids movable part 2 to break away from fixture 1.
The quantity of load-bearing lever 4 is that two and both are symmetrical arranged, and it is intermeshing by teeth 4a that load-bearing lever 4 outer ends have the outer end of teeth 4a and two load-bearing levers 4.Be provided with spring 5 between load-bearing lever 4 and the movable part 2, movable part 2 outsides have the Digital ID of some arc shootings and the pointer 6 that can swing.Load-bearing lever 4 links with pointer 6 and 4 on load-bearing lever is subjected to the elastic force of spring 5 to do the zero graduation place that time spent load-bearing lever 4 drives pointer 6 sensing scale markers, and load-bearing lever 4 outer ends have the trend that is resisted against on the movable part 2 under the elastic force effect of spring 5.In the present embodiment, load-bearing lever 4 is fixed with curved tooth bar 7, has with pointer 6 to be connected in transmission gear 8 tooth bar 7 and transmission gear 8 engagements on the holder 3.
At fixture 1 adjusting screw(rod) 9 that has been threaded, spring 5 is enclosed within on the adjusting screw(rod) 9, and the two ends of spring 5 act on respectively on adjusting screw(rod) 9 and the load-bearing lever 4.In the present embodiment, adjusting screw(rod) 9 sidepieces have the spring base 9a of protrusion, on the adjusting screw(rod) 9 also cover have pad 10, the two ends of spring 5 to act on respectively on spring base 9a and the pad 10, have the trend that is resisted against place, two load-bearing lever 4 outer ends at the elastic force effect lower gasket 10 of spring 5.
For convenient adjusting screw(rod) 9 is regulated, has adjustment hole 2c at movable part 2, adjusting screw(rod) 9 ends are stretched out fixture 1 and are positioned at adjustment hole 2c place, adjustment hole 2c place has lock nut 11, lock nut 11 is connected with adjusting screw(rod) 9 end thread, and lock nut 11 is resisted against fixture 1 outside.In the present embodiment, form the working chamber 12 of sealing between the guide part 2b of movable part 2 and the fixture 1, load-bearing lever 4, holder 3, spring 5 and tooth bar 7 all are positioned at working chamber 12.
Also have the briquetting 13 between movable part 2 and load-bearing lever 4 in the working chamber 12, have on the briquetting 13 two be that wedge angle protrudes and with load-bearing lever 4 13a of section that exerts pressure one to one, the section 13a of exerting pressure is resisted against load-bearing lever 4 middle parts.The section 13a both sides of exerting pressure have guide pole 13b, and load-bearing lever 4 is between the two guide pole 13b of the same 13a of section that exerts pressure.
In the strainer of the device for measuring force of this strainer, when stressing, strainer 14 not that is to say that when not being in bundle status, load-bearing lever 4 is in initial position under the elastic force effect of spring 5, this moment, pointer 6 pointed to the zero graduation place of scale markers.
When bundling operation, bundling belt 15 pulling movable parts 2 make movable part 2 move with respect to fixture 1.Certainly, in this process by guide frame so that movable part 2 can only be with respect to fixture 1 translation.Press load-bearing lever 4 by the stable top of the section that exerts pressure of briquetting 13 in movable part 2 moving process, load-bearing lever 4 overcomes the bottom behind the elastic force of spring 5, drives pointers 6 along with swing by tooth bar 7, transmission gear 8 in load-bearing lever 4 swing process.The scale marker place of pointer 6 indications is exactly the seizing force of current strainer when pointer 6 stops swinging.
The stressed 13a of section that exerts pressure that may inequalities causes among two 13a of section that exert pressure wherein of bundling belt 15 is stressed larger in the binding operation process.But because two load-bearing levers 4 are intermeshing, they swing synchronously, therefore, even this device of unbalance stress also can accurately test out the seizing force of current binding operation.
Claims (11)
1. the device for measuring force of a strainer, the movable part (2) that comprises for the fixture (1) that is connected with strainer (14) and be used for linking with bundling belt (15), it is characterized in that, having between described fixture (1) and the movable part (2) to make movable part (2) with respect to the guide frame of fixture (1) translation, it is inner hinged with fixture (1) to be provided with load-bearing lever (4) and load-bearing lever (4) in the described fixture (1), be provided with spring (5) between described load-bearing lever (4) and the movable part (2), the pointer (6) that described movable part (2) outside has some Digital IDs and can swing, described load-bearing lever (4) links with pointer (6) and load-bearing lever (4) only is subjected to the elastic force of spring (5) to do the zero graduation place that time spent load-bearing lever (4) drives pointer (6) sensing scale marker, has the trend that is resisted against on the movable part (2) in load-bearing lever (4) outer end under the elastic force effect of above-mentioned spring (5).
2. the device for measuring force of strainer according to claim 1 is characterized in that, described fixture (1) takes the shape of the letter U, and described fixture (1) U-shaped indent is fixed with holder (3), and above-mentioned load-bearing lever (4) is hinged on the holder (3).
3. the device for measuring force of strainer according to claim 2, it is characterized in that, the quantity of described load-bearing lever (4) is that two and both are symmetrical arranged, and it is intermeshing by teeth (4a) that described load-bearing lever (4) outer end has the outer end of teeth (4a) and two above-mentioned load-bearing levers (4).
4. the device for measuring force of strainer according to claim 3, it is characterized in that, the adjusting screw(rod) (9) that has been threaded on the described fixture (1), above-mentioned spring (5) are enclosed within adjusting screw(rod) (9) two ends upper and spring (5) and act on respectively on adjusting screw(rod) (9) and the load-bearing lever (4).
5. the device for measuring force of strainer according to claim 4, it is characterized in that, described adjusting screw(rod) (9) sidepiece has the spring base (9) of protrusion, also overlap on the described adjusting screw(rod) (9) pad (10) is arranged, the two ends of above-mentioned spring (5) act on respectively on spring base (9) and the pad (10), have the trend that is resisted against place, two above-mentioned load-bearing levers (4) outer end at the elastic force effect lower gasket (10) of spring (5).
6. the device for measuring force of strainer according to claim 4, it is characterized in that, has adjustment hole (2c) on the described movable part (2), above-mentioned adjusting screw(rod) (9) end is stretched out fixture (1) and is positioned at adjustment hole (2c) and locates, described adjustment hole (2c) locates to have lock nut (11), and lock nut (11) is connected with above-mentioned adjusting screw(rod) (9) end thread and is resisted against outside the fixture (1).
7. according to claim 1 and 2 or the device for measuring force of 3 described strainers, it is characterized in that, be connected with tooth bar (7) on the described load-bearing lever (4), have on the described holder (3) with above-mentioned pointer (6) and be connected in transmission gear (8) and tooth bar (7) and transmission gear (8) engagement, the curved and tooth bar (7) of described tooth bar (7) is connected on the above-mentioned load-bearing lever (4).
8. the device for measuring force of strainer according to claim 1, it is characterized in that, the connecting portion (2a) that described movable part (2) comprises guide part (2b) and is used for linking with bundling belt (15), described guide part (2b) is positioned at fixture (1) U-shaped indent, above-mentioned guide frame comprises the gathering sill (2b1) that is positioned at guide part (2b) both sides, U-shaped two edges of above-mentioned fixing piece (1) are positioned at gathering sill (2b1) to be located, and described connecting portion (2a) is for running through the bar shaped perforation of movable part (2).
9. the device for measuring force of strainer according to claim 1, it is characterized in that, described fixture (1) sidepiece has the gear of protrusion along (1a), when movable part (2) can be resisted against gathering sill (2b1) end with respect to the mobile gear of fixture (1) along (1a).
10. the device for measuring force of strainer according to claim 1, it is characterized in that, form the working chamber (12) of sealing between the guide part (2b) of described movable part (2) and the fixture (1), above-mentioned load-bearing lever (4), holder (3) and spring (5) all are positioned at working chamber (12).
11. the device for measuring force of strainer according to claim 1 and 2, it is characterized in that, the adjusting screw(rod) (9) that has been threaded on the described fixture (1), above-mentioned spring (5) are enclosed within adjusting screw(rod) (9) two ends upper and spring (5) and act on respectively on adjusting screw(rod) (9) and the load-bearing lever (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220425520 CN202903406U (en) | 2012-08-25 | 2012-08-25 | Force measurement device of tensioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220425520 CN202903406U (en) | 2012-08-25 | 2012-08-25 | Force measurement device of tensioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202903406U true CN202903406U (en) | 2013-04-24 |
Family
ID=48124065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220425520 Withdrawn - After Issue CN202903406U (en) | 2012-08-25 | 2012-08-25 | Force measurement device of tensioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202903406U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102829916A (en) * | 2012-08-25 | 2012-12-19 | 浙江双友物流器械股份有限公司 | Force measurement device of tensioner |
-
2012
- 2012-08-25 CN CN 201220425520 patent/CN202903406U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102829916A (en) * | 2012-08-25 | 2012-12-19 | 浙江双友物流器械股份有限公司 | Force measurement device of tensioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130424 Effective date of abandoning: 20140402 |
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| RGAV | Abandon patent right to avoid regrant |