CN201801140U - Adjustable duplex chain tensioning mechanism - Google Patents
Adjustable duplex chain tensioning mechanism Download PDFInfo
- Publication number
- CN201801140U CN201801140U CN2010205131590U CN201020513159U CN201801140U CN 201801140 U CN201801140 U CN 201801140U CN 2010205131590 U CN2010205131590 U CN 2010205131590U CN 201020513159 U CN201020513159 U CN 201020513159U CN 201801140 U CN201801140 U CN 201801140U
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- China
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- plate
- riser
- duplex chain
- stretching device
- base plate
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- Expired - Fee Related
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Abstract
The utility model relates to an adjustable duplex chain tensioning mechanism for tensioning a duplex chain driven by a plate link chain. The mechanism comprises a mounting frame and a linking plate, wherein a bottom plate of the mounting frame is fixed on the plate link chain; an upright plate which is vertical to the bottom plate is mounted on the bottom plate; the lower part of the upright plate is provided with a pushing rod hole; a support base as a support point is arranged on one side of the upper part of the upright plate; the number of the linking plate is two; the middle parts of the two linking plates are provided with a hole and are respectively connected to a support base through a first pin shaft; the two linking plates are parallel and have a function of a lever; the upper part between the two linking plates is provided with a tensioning wheel through a wheel shaft and a shaft; the lower part between the two linking plates is connected to a pushing rod base through a second pin shaft; the pushing rod base is connected to one end of a push screw rod; the other end of the push screw rod is penetrated through the pushing rod hole on the upright plate; and an adjusting nut and a locking nut are mounted on the push screw rod on two sides of the upright plate. The utility model has the advantages of simple, compact and reasonably structure, low manufacturing cost, convenient operation, reliable locking and convenient exchange and disassembly.
Description
Technical field
The utility model relates to a kind of chain transmission tensioning device, specifically is a kind of slack-free adjustable duplex chain stretching device of duplex chain that is used for the driving of plate chain, belongs to technical field of conveying machinery.
Background technology
In plate chain course of conveying, thereby the loosening bad and chain vibration situation of engagement that occurs can take place in its duplex chain that drives section in use for some time; Also in order to increase the engagement wrapping angle of chain and sprocket wheel, the more accurate operation of assurance equipment is so need install tightening device additional simultaneously.The complex structure that present common tightening device commonly used has, the manufacturing cost height; What have is simple in structure, but reliability is not enough, and tensioning degree can not flexible.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned weak point, thereby a kind of adjustable duplex chain stretching device of simple and reasonable, reliable and stable, low cost of manufacture is provided.
According to the technical scheme that the utility model provides, described adjustable duplex chain stretching device comprises erecting frame and contact plate; The base plate of erecting frame is fixed on the plate chain, and base plate is provided with perpendicular riser, and the riser bottom offers push-rod hole, and riser top one side is provided with the supporting seat as fulcrum; Described contact plate has two, and the middle part perforate of two blocks of contact plates also is connected on the supporting seat by first bearing pin respectively, and two blocks of contact plates be arranged in parallel, play leverage; There is tension wheel on two tops of getting in touch between the plate by wheel shaft and bearing installation, two bottoms of getting in touch between the plate are connected with ram seat by second bearing pin, ram seat links to each other with an end of push rod screw rod, the other end of push rod screw rod passes the push-rod hole on the riser, is fitted with setting nut and jam nut on the push rod screw rod on riser both sides.
As further improvement of the utility model, described erecting frame comprises base plate, riser, supporting seat and gusset, and on the plate chain, riser is vertically welded on the base plate base plate by bolted connection, supporting seat is welded on riser top one side, welds gusset between riser opposite side and the base plate.
As further improvement of the utility model, described contact plate is the obtuse-angled triangle structure, and the summit, obtuse angle at triangle contact plate middle part is connected on the supporting seat.
As further improvement of the utility model, on the described wheel shaft sleeve is housed, tension wheel is contained on the sleeve by bearing.
As further improvement of the utility model, be set with stop collar on first bearing pin between described two blocks of contact plates.
As further improvement of the utility model, described first bearing pin all adopts hexagon slotted nut, spring cotter, plain cushion to be connected with erecting frame with second bearing pin.
As further improvement of the utility model, described bearing adopts deep groove ball bearing.
As further improvement of the utility model, the push-rod hole on the riser of described erecting frame is made as slotted hole.
The utility model compared with prior art, advantage is: simple in structure, compact, rationally, low cost of manufacture; Easy to operate, to lock safe and reliablely, dismounting and change is convenient.
Description of drawings
Fig. 1 is the structural front view of the utility model preferred embodiment.
Fig. 2 is the structure left view of Fig. 1.
Fig. 3 is that A-A among Fig. 2 is to cutaway view.
The specific embodiment
Below in conjunction with the embodiment in the accompanying drawing the utility model is further described.
As shown in the figure, the adjustable duplex chain stretching device among the embodiment mainly is made up of parts such as erecting frame 1, first bearing pin 3, second bearing pin 2, contact plate 4, wheel shaft 5, sleeve 6, bearing 7, tension wheel 8, push rod screw rod 10, jam nut 11, setting nut 12, ram seat 13 and stop collars 14.
As shown in Figure 1, described erecting frame 1 mainly is made up of base plate 1a, riser 1b, supporting seat 1c and gusset 1d; Base plate 1a by bolted connection on the plate chain; Riser 1b is vertically welded on the base plate 1a, and riser 1b bottom offers push-rod hole 9; Supporting seat 1c is welded on riser 1b top one side, and supporting seat 1c is as fulcrum; Be welded with gusset 1d between riser 1b opposite side and the base plate 1a, gusset 1d plays the effect of reinforcing erecting frame 1.Described contact plate 4 has two, and two contact plate 4 middle part perforates also are connected on the supporting seat 1c by first bearing pin 3 respectively, and two blocks of contact plates 4 be arranged in parallel, play leverage; Be set with stop collar 14 on first bearing pin 3 that two are got in touch between the plate 4, stop collar 14 is used to prevent that two blocks of contact plates 4 from moving about on first bearing pin 3.Two tops of getting in touch between the plate 4 are equipped with tension wheel 8 by wheel shaft 5 and bearing 7, the described bearing 7 preferred deep groove ball bearings that adopt; Two bottoms of getting in touch between the plate 4 are connected with ram seat 13 by second bearing pin 2, ram seat 13 links to each other with an end of push rod screw rod 10, the other end of push rod screw rod 10 passes the push-rod hole 9 on the riser 1b, is fitted with setting nut 12 and jam nut 11 on the push rod screw rod 10 on riser 1b both sides.
As Fig. 1 ~ shown in Figure 3, the contact plate 4 among the embodiment is made as the obtuse-angled triangle structure, and the summit, obtuse angle at triangle contact plate 4 middle parts is connected on the supporting seat 1c.On the described wheel shaft 5 sleeve 6 is housed, tension wheel 8 is contained on the sleeve 6 by bearing 7, to prevent to get in touch plate 4 distortion.Described first bearing pin 3 all adopts hexagon slotted nut, spring cotter, plain cushion to be connected with erecting frame 1 with second bearing pin 2, gets loose preventing.Push-rod hole 9 on the riser 1b of described erecting frame 1 is made as slotted hole, can not have influence on the adjusting of contact plate 4 positions when moving to guarantee push rod screw rod 10.
Working process of the present utility model and principle of work are as follows:
During work, turn setting nut 12 and jam nut 11 drive contact plate 4 by push rod screw rod 10 and rotate around first bearing pin 3, and according to lever principle, the position that is installed in the tension wheel 8 on contact plate 4 tops changes, and just can regulate the degree of tension of duplex chain by this.And when the plate chain moved, tension wheel 8 rotates around wheel shaft 5 can not have influence on chain gear.
Claims (8)
1. adjustable duplex chain stretching device is characterized in that: comprise erecting frame (1) and contact plate (4); The base plate (1a) of erecting frame (1) is fixed on the plate chain, and base plate (1a) is provided with perpendicular riser (1b), and riser (1b) bottom offers push-rod hole (9), and riser (1b) top one side is provided with the supporting seat (1c) as fulcrum; Described contact plate (4) has two, and two blocks of contact plates (4) middle part perforate also is connected on the supporting seat (1c) by first bearing pin (3) respectively, and two blocks of contact plates (4) be arranged in parallel, play leverage; Top between two blocks of contact plates (4) is equipped with tension wheel (8) by wheel shaft (5) and bearing (7), bottom between two blocks of contact plates (4) is connected with ram seat (13) by second bearing pin (2), ram seat (13) links to each other with an end of push rod screw rod (10), the other end of push rod screw rod (10) passes the push-rod hole (9) on the riser (1b), is fitted with setting nut (12) and jam nut (11) on the push rod screw rod (10) on riser (1b) both sides.
2. adjustable duplex chain stretching device as claimed in claim 1, it is characterized in that: described erecting frame (1) comprises base plate (1a), riser (1b), supporting seat (1c) and gusset (1d), base plate (1a) by bolted connection on the plate chain, riser (1b) is vertically welded on the base plate (1a), supporting seat (1c) is welded on riser (1b) top one side, welds gusset (1d) between riser (1b) opposite side and the base plate (1a).
3. adjustable duplex chain stretching device as claimed in claim 1 is characterized in that: described contact plate (4) is the obtuse-angled triangle structure, and the summit, obtuse angle at triangle contact plate (4) middle part is connected on the supporting seat (1c).
4. adjustable duplex chain stretching device as claimed in claim 1 is characterized in that: sleeve (6) is housed on the described wheel shaft (5), and tension wheel (8) is contained on the sleeve (6) by bearing (7).
5. adjustable duplex chain stretching device as claimed in claim 1 is characterized in that: be set with stop collar (14) on first bearing pin (3) between described two blocks of contact plates (4).
6. adjustable duplex chain stretching device as claimed in claim 1 is characterized in that: described first bearing pin (3) all adopts hexagon slotted nut, spring cotter, plain cushion to be connected with erecting frame (1) with second bearing pin (2).
7. adjustable duplex chain stretching device as claimed in claim 1 is characterized in that: described bearing (7) adopts deep groove ball bearing.
8. adjustable duplex chain stretching device as claimed in claim 1 is characterized in that: the push-rod hole (9) on the riser (1b) of described erecting frame (1) is made as slotted hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205131590U CN201801140U (en) | 2010-09-01 | 2010-09-01 | Adjustable duplex chain tensioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205131590U CN201801140U (en) | 2010-09-01 | 2010-09-01 | Adjustable duplex chain tensioning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201801140U true CN201801140U (en) | 2011-04-20 |
Family
ID=43870654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205131590U Expired - Fee Related CN201801140U (en) | 2010-09-01 | 2010-09-01 | Adjustable duplex chain tensioning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201801140U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853041A (en) * | 2012-08-18 | 2013-01-02 | 徐州凯莫尔重工科技有限公司 | Engine leather belt tensioning device |
| CN105408230A (en) * | 2013-09-18 | 2016-03-16 | 申克股份有限公司 | Device for indication and setting of operating tension of an endless chain strand |
| CN112090673A (en) * | 2019-06-18 | 2020-12-18 | 仕兴机械工业股份有限公司 | Edge bonding machine capable of conveniently disassembling and assembling gluing mechanism |
| CN112361133A (en) * | 2020-09-29 | 2021-02-12 | 中国船舶重工集团公司第七0九研究所 | Support arm for display |
-
2010
- 2010-09-01 CN CN2010205131590U patent/CN201801140U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853041A (en) * | 2012-08-18 | 2013-01-02 | 徐州凯莫尔重工科技有限公司 | Engine leather belt tensioning device |
| CN105408230A (en) * | 2013-09-18 | 2016-03-16 | 申克股份有限公司 | Device for indication and setting of operating tension of an endless chain strand |
| CN105408230B (en) * | 2013-09-18 | 2017-05-10 | 申克股份有限公司 | Device for indication and setting of operating tension of an endless chain strand |
| CN112090673A (en) * | 2019-06-18 | 2020-12-18 | 仕兴机械工业股份有限公司 | Edge bonding machine capable of conveniently disassembling and assembling gluing mechanism |
| CN112361133A (en) * | 2020-09-29 | 2021-02-12 | 中国船舶重工集团公司第七0九研究所 | Support arm for display |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110420 Termination date: 20180901 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |