CN203719646U - Gravity reset type chain length measuring instrument - Google Patents
Gravity reset type chain length measuring instrument Download PDFInfo
- Publication number
- CN203719646U CN203719646U CN201420048840.0U CN201420048840U CN203719646U CN 203719646 U CN203719646 U CN 203719646U CN 201420048840 U CN201420048840 U CN 201420048840U CN 203719646 U CN203719646 U CN 203719646U
- Authority
- CN
- China
- Prior art keywords
- chain length
- length measuring
- cantilever
- range finding
- guide rail
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000005484 gravity Effects 0.000 title claims abstract description 32
- 238000006073 displacement reaction Methods 0.000 claims abstract description 8
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 21
- 238000005259 measurement Methods 0.000 abstract description 8
- 230000002146 bilateral effect Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21L—MAKING METAL CHAINS
- B21L15/00—Finishing or dressing chains or chain links, e.g. removing burr material, calibrating
- B21L15/005—Pre-stretching chains
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model provides a gravity reset type chain length measuring instrument, which belongs to the technical field of measurement. The gravity reset type chain length measuring instrument solves the problem of imprecise measurement of the existing chain length measuring instrument. The gravity reset type chain length measuring instrument comprises a rack, a tensioning device and a distance measuring device, wherein the rack is provided with a guide rail, the laying direction of the guide rail and the tensile direction of the tensioning device are the same, the tensioning device comprises two clamping blocks which are arranged in bilateral symmetry, one clamping block is fixed to the rack, the other clamping block is provided with a guide pulling driving device, the two clamping blocks can realize the relative position shift through the guide pulling driving device, a force measuring sensor is arranged between the guide pulling driving device and the connected clamping blocks, a gravity reset device is arranged on the distance measuring device, a displacement sensor is arranged below the distance measuring device, and the force measuring sensor and the displacement sensor are connected with a digital display platform. The gravity reset type chain length measuring instrument can further make the measurement values of chain distance precise, is simple in structure of the integral instrument, and can be modified on the basis of the traditional chain length measuring instrument.
Description
Technical field
The utility model belongs to field of measuring technique, particularly a kind of gravity reduction formula chain length measuring apparatus.
Background technology
In chain transmission industry, the detection for chain length adopts chain length measuring instrument to complete at present, chain length measuring instrument comprises pallet, on pallet, be provided with the tensioning system to chain, and the distance measuring equipment that has pair chain, distance measuring equipment can be by measuring spacing to leaning against the chain pin of two chains.
The factor that affect at present measuring accuracy mainly contains two, and first tensioning system is each when stretching to be accepted inhomogeneously, produces the phenomenon of drawing, and directly causes the spacing generation deformation of chain, affects measurement data; Its two are distance measuring equipments to by time, often use hand push to leaning on, therefore each not identical to the power of leaning on, this also likely makes the data out of true of measuring.
Summary of the invention
The purpose of this utility model is the problems referred to above that exist for existing cable ranging, and proposed a kind of when each measurement, can balanced tensile force, and distance measuring equipment at every turn to by time not only can show fast and locate, but also can evenly defeat the gravity reduction formula chain length measuring apparatus leaning on.
The purpose of this utility model can realize by following technical proposal: a kind of gravity reduction formula chain length measuring apparatus, it comprises stand, take-up device on stand, distance measuring equipment and digital display platform, described stand is provided with guide rail, the draw direction that guide rail is laid direction and take-up device is identical, distance measuring equipment is placed on guide rail and can slidably reciprocates along guide rail, it is characterized in that, described take-up device comprises the two packaged fixture blocks that are symmetrical set, wherein a packaged fixture block and stand are fixed, another piece is provided with to lead and draws drive unit, two packaged fixture blocks can be by leading the movement of drawing drive unit to realize relative position, and be provided with force cell leading between the clamping piece that draws drive unit and connection, described distance measuring equipment is provided with gravity reduction device, below is provided with displacement transducer, force cell is all connected with digital display platform with displacement transducer.
Force cell can be measured the concrete numerical value of each pulling force, and a default numerical value can guarantee to have identical tensioning pulling force later at every turn.
In above-mentioned a kind of gravity reduction formula chain length measuring apparatus, described distance measuring equipment comprises pedestal and range finding cantilever, below range finding cantilever, be provided with pilot pin, between pedestal and range finding cantilever, connect again by a flexible module, the cantilever that makes to find range can be back and forth flexible in surface level direction.
In above-mentioned a kind of gravity reduction formula chain length measuring apparatus, described pilot pin is vertically interted in range finding cantilever, and can vertically move back and forth, the pilot pin end being placed in range finding cantilever is provided with back-moving spring, pilot pin is provided with driving lever, it is outside that driving lever extends to range finding cantilever, and be provided with corresponding loose slot and locating slot on range finding cantilever.During measurement, pilot pin is inserted in chain link, and is resisted against on chain pin.
In above-mentioned a kind of gravity reduction formula chain length measuring apparatus, described flexible module comprises the gear that is placed in base interior, and the tooth bar of meshing gear, the inner of tooth bar is placed in base interior, outer end is connected and fixed with range finding cantilever, gear is coaxially provided with adjusting knob, and the adjustable side of adjusting knob is positioned at pedestal outside.
In above-mentioned a kind of gravity reduction formula chain length measuring apparatus, described gravity reduction device comprises the pulley blocks on a variable weights and stand, described variable weights is connected by bracing wire with pedestal, the direction of bracing wire pulling force is identical with the laying direction of guide rail, and the bracing wire of described variable weights keeps vertical hanging state after walking around pulley blocks.
When each pilot pin is resisted against on chain pin, gravity reduction device can provide same pulling force, make pilot pin against time can tension or excessively loose.
In above-mentioned a kind of gravity reduction formula chain length measuring apparatus, described variable weights is conical structure, and the tip of circular cone is towards ground.
Compared with prior art, this device can be further the accurate measurement numerical value of chain pitch, and complete machine is simple in structure, can on traditional chain length measuring apparatus, reequip.
Accompanying drawing explanation
Fig. 1 is the structural representation of this gravity reduction formula chain length measuring apparatus.
Fig. 2 is the distance measuring equipment schematic diagram of this gravity reduction formula chain length measuring apparatus.
Fig. 3 is chain scheme of installation.
In figure, 1, adjusting knob; 2, variable weights; 3, bracing wire; 4, pulley blocks; 5, range finding cantilever; 6, digital display platform; 7, guide rail; 8, force cell; 9, lead and draw drive unit; 10, slide block; 11, stand; 12, clamping piece; 13, driving lever; 14, pilot pin; 15, loose slot; 16, locating slot; 17, gear; 18, tooth bar; 19, chain; 20, pedestal.
Embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As shown in Fig. 1～Fig. 2, this gravity reduction formula chain length measuring apparatus comprises stand 11, stand 11 is provided with take-up device, distance measuring equipment, stand 11 is provided with guide rail 7, the draw direction that guide rail 7 is laid direction and take-up device is identical, distance measuring equipment is placed on guide rail 7 and can slidably reciprocates along guide rail 7, take-up device comprises the two packaged fixture blocks 12 that are symmetrical set, wherein a packaged fixture block 12 is fixing with stand 11, another piece is provided with to lead and draws drive unit 9 and slide block 10, two packaged fixture blocks 12 can be by leading the movement of drawing drive unit 9 to realize relative position, and be provided with force cell 8 leading between the clamping piece 12 that draws drive unit 9 and connect, described distance measuring equipment is provided with gravity reduction device, below is provided with displacement transducer, force cell 8 is all connected with digital display platform 6 with displacement transducer, gravity reduction device comprises the pulley blocks 4 on a variable weights 2 and stand 11, described variable weights 2 is connected by bracing wire 3 with distance measuring equipment, the direction of bracing wire 3 pulling force is identical with the laying direction of guide rail 7, the rear maintenance vertical hanging of pulley blocks 4 state is walked around in the bracing wire 3 of described variable weights 2, variable weights 2 is conical structure.
Distance measuring equipment comprises pedestal 20 and range finding cantilever 5, below range finding cantilever 5, is provided with pilot pin 14, between pedestal 20 and range finding cantilever 5, connects again by a flexible module, and the cantilever 5 that makes to find range can be back and forth flexible in surface level direction.Pilot pin 14 is vertically interted in range finding cantilever 5, and can vertically move back and forth, pilot pin 14 ends that are placed in range finding cantilever 5 are provided with back-moving spring, pilot pin 14 is provided with driving lever 13, driving lever 13 extends to range finding cantilever 5 outsides, and is provided with corresponding loose slot 15 and locating slot 16 on range finding cantilever 5.Driving lever 13 liftings are rotated an angle later and are buckled in locating slot 16, realize the location after pilot pin 14 liftings.Flexible module comprises the gear 17 that is placed in pedestal 20 inside, and the tooth bar 18 of meshing gear 17, the inner of tooth bar 18 is placed in pedestal 20 inside, and outer end is connected and fixed with range finding cantilever 5, gear 17 is coaxially provided with adjusting knob 1, and the adjustable side of adjusting knob 1 is positioned at pedestal 20 outsides.
As shown in Figure 3, chain 19 is laid on stand 11, and the both sides piece that is tensioned is spacing, and a side force cell 8 can be measured the concrete numerical value of each pulling force, and a default numerical value can guarantee to have identical tensioning pulling force later at every turn.When each pilot pin 14 is resisted against on chain pin, gravity reduction device can provide same pulling force, make pilot pin 14 against time can tension or excessively loose, described measurement numerical value all shows by digital display platform 6.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (6)
1. a gravity reduction formula chain length measuring apparatus, it comprises stand (11), take-up device on stand (11), distance measuring equipment and digital display platform (6), described stand (11) is provided with guide rail (7), the draw direction that guide rail (7) is laid direction and take-up device is identical, distance measuring equipment is placed in guide rail (7) above and can slidably reciprocates along guide rail (7), it is characterized in that, described take-up device comprises the two packaged fixture blocks (12) that are symmetrical set, wherein a packaged fixture block (12) is fixing with stand (11), another piece is provided with to lead and draws drive unit (9), two packaged fixture blocks (12) can be by leading the movement of drawing drive unit (9) to realize relative position, and be provided with force cell (8) leading between the clamping piece (12) that draws drive unit (9) and connect, described distance measuring equipment is provided with gravity reduction device, below is provided with displacement transducer, force cell (8) is all connected with digital display platform (6) with displacement transducer.
2. a kind of gravity reduction formula chain length measuring apparatus according to claim 1, it is characterized in that, described distance measuring equipment comprises pedestal (20) and range finding cantilever (5), below at range finding cantilever (5) is provided with pilot pin (14), between pedestal (20) and range finding cantilever (5), connect again by a flexible module, the cantilever (5) that makes to find range can be back and forth flexible in surface level direction.
3. a kind of gravity reduction formula chain length measuring apparatus according to claim 2, it is characterized in that, described pilot pin (14) is vertically interted in range finding cantilever (5), and can vertically move back and forth, pilot pin (14) end being placed in range finding cantilever (5) is provided with back-moving spring, pilot pin (14) is provided with driving lever (13), and driving lever (13) extends to range finding cantilever (5) outside, and is provided with corresponding loose slot (15) and locating slot (16) on range finding cantilever (5).
4. a kind of gravity reduction formula chain length measuring apparatus according to claim 2, it is characterized in that, described flexible module comprises the gear (17) that is placed in pedestal (20) inside, and the tooth bar (18) of meshing gear (17), the inner of tooth bar (18) is placed in pedestal (20) inside, outer end is connected and fixed with range finding cantilever (5), and gear (17) is coaxially provided with adjusting knob (1), and the adjustable side of adjusting knob (1) is positioned at pedestal (20) outside.
5. a kind of gravity reduction formula chain length measuring apparatus according to claim 2, it is characterized in that, described gravity reduction device comprises the pulley blocks (4) on a variable weights (2) and stand (11), described variable weights (2) is connected by bracing wire (3) with pedestal (20), the direction of bracing wire (3) pulling force is identical with the laying direction of guide rail (7), and the bracing wire (3) of described variable weights (2) keeps vertical hanging state after walking around pulley blocks (4).
6. a kind of gravity reduction formula chain length measuring apparatus according to claim 5, is characterized in that, described variable weights (2) is conical structure, and the tip of circular cone is towards ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420048840.0U CN203719646U (en) | 2014-01-24 | 2014-01-24 | Gravity reset type chain length measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420048840.0U CN203719646U (en) | 2014-01-24 | 2014-01-24 | Gravity reset type chain length measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203719646U true CN203719646U (en) | 2014-07-16 |
Family
ID=51158787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420048840.0U Expired - Lifetime CN203719646U (en) | 2014-01-24 | 2014-01-24 | Gravity reset type chain length measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203719646U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547164A (en) * | 2016-01-29 | 2016-05-04 | 太仓椿盟链传动有限公司 | General chain length extension detection device |
| CN108375343A (en) * | 2018-01-30 | 2018-08-07 | 杭州东华链条集团有限公司 | A kind of chain intelligence prestretching chain length detection method and its device |
-
2014
- 2014-01-24 CN CN201420048840.0U patent/CN203719646U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547164A (en) * | 2016-01-29 | 2016-05-04 | 太仓椿盟链传动有限公司 | General chain length extension detection device |
| CN108375343A (en) * | 2018-01-30 | 2018-08-07 | 杭州东华链条集团有限公司 | A kind of chain intelligence prestretching chain length detection method and its device |
| WO2019148675A1 (en) * | 2018-01-30 | 2019-08-08 | 杭州东华链条集团有限公司 | Method for performing intelligent pre-stretching on chain and detecting length of chain and device thereof |
| CN108375343B (en) * | 2018-01-30 | 2019-09-13 | 杭州东华链条集团有限公司 | A kind of chain intelligence prestretching chain length detection method and its device |
| US11079216B2 (en) | 2018-01-30 | 2021-08-03 | Hangzhou Donghua Chain Group Co., Ltd. | Chain intelligent pre-tensioning and chain length detection method and device thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140716 |