CN209023612U - A kind of belt tensioner - Google Patents

A kind of belt tensioner Download PDF

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Publication number
CN209023612U
CN209023612U CN201821334854.3U CN201821334854U CN209023612U CN 209023612 U CN209023612 U CN 209023612U CN 201821334854 U CN201821334854 U CN 201821334854U CN 209023612 U CN209023612 U CN 209023612U
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China
Prior art keywords
sliding rack
installation pedestal
belt
hole
belt tensioner
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CN201821334854.3U
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Chinese (zh)
Inventor
李志敏
冷刚
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Zhejiang Wuyi Yu Bailian Industry & Trade Co Ltd
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Zhejiang Wuyi Yu Bailian Industry & Trade Co Ltd
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Abstract

The utility model discloses a kind of belt tensioners, including installation pedestal, at least one elastic element, the sliding rack being slidably connected with installation pedestal and the tensioning wheel being rotatablely connected with sliding rack;The sliding rack is equipped with tension micromatic setting, the tension micromatic setting includes the fixing seat fixed with sliding rack and the adjusting rod being slidably connected with fixing seat, fixing seat, which is equipped with, adjusts through-hole, adjusting rod, which passes through, adjusts through-hole, adjusting rod is equipped with the first adjusting nut and the second adjusting nut, the opposite sides for adjusting through-hole is arranged in first adjusting nut and the second adjusting nut, and described elastic element one end is connect with installation pedestal, and the other end is connect with adjusting rod.The utility model provides a kind of belt tensioner, has structure simple, and manufacturing cost is low, can carry out auto-tensioning to belt, and can according to need and tensile force is adjusted.

Description

A kind of belt tensioner
Technical field
The utility model relates to saw chain automatic assembling machine technical fields, more particularly, to a kind of belt tensioner.
Background technique
Belt transmission structure is the important feature in saw chain automatic assembling machine, plays the role of transmitting power.But belt Transmission is by being easy to appear relaxation after long-play.It will appear skidding abrasion when belt tension deficiency, lose transmission Effect, belt life are reduced.In the prior art, belt transmission structure is standing tensioning wheel, according to service condition, periodic adjustment tensioning The elasticity of wheel.But adjustment process labor intensity of workers is big, adjustment lag, and needs just to can be adjusted after shutting down.Also have Device equipped with automatic adjustment belt tightness degree, but apparatus structure is complicated, manufacturing cost is high, and stability is not high.
Chinese patent application publication number CN205328369U, publication date are on 06 22nd, 2016, entitled " Intelligent servo Tensioner " discloses a kind of Intelligent servo tensioner, improves the degree of automation of coil winding machine, saves human cost, realizes The automation and intelligence of tensioner.But the patent is not suitable for saw chain automatic assembling machine, and structure is excessively complicated, manufacture Cost is excessively high.
Summary of the invention
The utility model in order to overcome the shortcomings in the prior art, provides a kind of belt tensioner, has structure simple, system It makes at low cost, auto-tensioning can be carried out to belt, and can according to need and tensile force is adjusted.
To achieve the goals above, the utility model uses following technical scheme:
A kind of belt tensioner, including installation pedestal, at least one elastic element, the sliding being slidably connected with installation pedestal Frame and the tensioning wheel being rotatablely connected with sliding rack;The sliding rack is equipped with tension micromatic setting, the tension micromatic setting Including the fixing seat fixed with sliding rack and the adjusting rod being slidably connected with fixing seat, fixing seat, which is equipped with, adjusts through-hole, adjusts Pole, which passes through, adjusts through-hole, and adjusting rod is equipped with the first adjusting nut and the second adjusting nut, and the first adjusting nut and second are adjusted The opposite sides for adjusting through-hole is arranged in section nut, and described elastic element one end is connect with installation pedestal, the other end and adjusting rod Connection.The elastic element can be spring, be also possible to elastic string or other elastic parts.The tensioning wheel is equipped with skin Band, belt drive tensioning wheel rotation, and the elastic element combination sliding rack sliding can be tensioned belt.The tension Micromatic setting can be adjusted according to the needs elastic original part collapsing length, to adjust the tensile force of tensioner.Tensioning wheel and sliding Frame can be realized by bearing arrangement and is rotatablely connected, and can also directly be realized and be rotatablely connected by the cooperation in rotation axis and hole.
Preferably, the tensioning wheel is equipped with belt grooves, the belt grooves two sides are respectively provided with a stop collar.Pass through reality Apply above-mentioned technical proposal, it is ensured that belt keeps stable connection with tensioning wheel at runtime.
Preferably, the installation pedestal is equipped with guide rail, guide rail is equipped with guiding raised line, the sliding rack It is equipped with the guiding groove being adapted to guiding raised line.By implementing above-mentioned technical proposal, sliding rack and installation pedestal can be made real Now stable is slidably connected, and guarantees that stuck phenomenon does not occur during the work time in belt tensioner.
Preferably, the guiding raised line is T-type raised line, guiding groove is T-type groove.By implementing above-mentioned technical side Case, stability when can further strengthen sliding rack and installation pedestal sliding, it is ensured that it runs smoothly when belt high-speed motion, It is with small vibration.
Preferably, the elastic element is equipped with link block, elastic element is connect by link block with installation pedestal;Even It connects block to fix by fixing bolt and installation pedestal, installation pedestal is equipped with several threaded holes being adapted to fixing bolt, institute Threaded hole is stated to be uniformly distributed along sliding rack glide direction.The link block screw thread hole site different from being mounted on as needed, thus Adjust the collapsing length of elastic element.It, can be while guaranteeing a certain tensile force to tensioning wheel in conjunction with tension micromatic setting Position is adjusted.
Preferably, the guide rail is equipped with the limited block for preventing sliding rack to be detached from guide rail.The limited block It is bolted with guide rail, it is just detachable that limited block removes rear sliding rack.
Preferably, the tensioning wheel is equipped with loss of weight deep gouge, loss of weight deep gouge is equipped with loss of weight through-hole.The structure can be with Reduce tensioning wheel weight under the premise of guaranteeing tensioning size of wheel and intensity.
The beneficial effects of the utility model are: (1) structure is simple, manufacturing cost is low;(2) belt can be opened automatically Tightly;(3) it can according to need and tensile force be adjusted;(4) can guarantee to run smoothly when belt high-speed motion, it is with small vibration; (5) can guarantee that the position of tensioning wheel is adjusted while a certain tensile force.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure: installation pedestal 1, threaded hole 1.1, sliding rack 2, guiding groove 2.1, tensioning wheel 3, belt grooves 3.1, stop collar 3.2, loss of weight deep gouge 3.3, loss of weight through-hole 3.4, elastic element 4, tension micromatic setting 5, fixing seat 5.1, adjusting rod 5.2, first Adjusting nut 5.3, the second adjusting nut 5.4, guide rail 6, guiding raised line 6.1, link block 7, limited block 8.
Specific embodiment
The utility model is further described in the following with reference to the drawings and specific embodiments:
As shown in Figure 1, a kind of belt tensioner, including installation pedestal 1, at least one elastic element 4 and installation pedestal 1 The sliding rack 2 being slidably connected and the tensioning wheel 3 being rotatablely connected with sliding rack 2;The sliding rack 2 is equipped with tension fine tuning dress 5 are set, the tension micromatic setting 5 includes the fixing seat 5.1 fixed with sliding rack 2 and the tune being slidably connected with fixing seat 5.1 Pole 5.2, fixing seat 5.1, which is equipped with, adjusts through-hole, and adjusting rod 5.2, which passes through, adjusts through-hole, and adjusting rod 5.2 is equipped with first and adjusts Nut 5.3 and the second adjusting nut 5.4, the first adjusting nut 5.3 and the second adjusting nut 5.4, which are arranged in, adjusts the opposite of through-hole Two sides, described 4 one end of elastic element are connect with installation pedestal 1, and the other end is connect with adjusting rod 5.2.The elastic element 4 uses Compressed spring.The tensioning wheel 3 is equipped with belt, and belt drives tensioning wheel 3 to rotate, and the elastic element 4 combines sliding rack 2 sliding It is dynamic, belt can be tensioned.The tension micromatic setting 5 can be adjusted according to the needs elastic 4 collapsing length of original part, thus Adjust the tensile force of tensioner.Adjusting rod 5.2 is equipped with external screw thread, when needing to adjust tension, rotates 5.3 He of the first adjusting nut Second adjusting nut 5.4 keeps adjusting rod 5.2 mobile relative to fixed seat 5.1, the collapsing length of elastic element 4.
The tensioning wheel 3 is equipped with belt grooves 3.1, and 3.1 two sides of belt grooves are respectively provided with a stop collar 3.2.Pass through Implement above-mentioned technical proposal, it is ensured that belt keeps stable connection with tensioning wheel 3 at runtime.
The installation pedestal 1 is equipped with guide rail 6, and guide rail 6, which is equipped with, is oriented to raised line 6.1, in the sliding rack 2 Equipped with the guiding groove 2.1 being adapted to guiding raised line 6.1.By implementing above-mentioned technical proposal, sliding rack 2 and installation base can be made 1 realization of seat is stable to be slidably connected, and guarantees that stuck phenomenon does not occur during the work time in belt tensioner.
The guiding raised line 6.1 is T-type raised line, and guiding groove 2.1 is T-type groove.It, can by implementing above-mentioned technical proposal Stability when further strengthening sliding rack 2 and the sliding of installation pedestal 1, it is ensured that run smoothly, shake when belt high-speed motion It moves small.
The elastic element 4 is equipped with link block 7, and elastic element 4 is connect by link block 7 with installation pedestal 1;Link block 7 is fixed by fixing bolt and installation pedestal 1, and installation pedestal 1 is equipped with several threaded holes 1.1 being adapted to fixing bolt, The threaded hole 1.1 is uniformly distributed along 2 glide direction of sliding rack.The threaded hole 1.1 different from being mounted on as needed of link block 7 Position, to adjust the collapsing length of elastic element 4.It, can be while guaranteeing a certain tensile force in conjunction with tension micromatic setting 5 The position of tensioning wheel 3 is adjusted.
The guide rail 6 is equipped with the limited block 8 for preventing sliding rack 2 to be detached from guide rail 6.The limited block 8 with lead It is bolted to track 6, it is just detachable that limited block 8 removes rear sliding rack 2.
The tensioning wheel 3 is equipped with loss of weight deep gouge 3.3, and loss of weight deep gouge 3.3 is equipped with loss of weight through-hole 3.4.The structure can To reduce 3 weight of tensioning wheel under the premise of guaranteeing 3 size of tensioning wheel and intensity.
The beneficial effects of the utility model are: structure is simple, manufacturing cost is low;Auto-tensioning can be carried out to belt;It can Tensile force to be adjusted as needed;It can guarantee to run smoothly when belt high-speed motion, it is with small vibration;It can guarantee a certain The position of tensioning wheel is adjusted while tensile force.

Claims (7)

1. a kind of belt tensioner, characterized in that connect including installation pedestal, at least one elastic element, with installation pedestal sliding The sliding rack connect and the tensioning wheel with sliding rack rotation connection;The sliding rack is equipped with tension micromatic setting, the tension Micromatic setting includes the fixing seat fixed with sliding rack and the adjusting rod being slidably connected with fixing seat, and fixing seat, which is equipped with, to be adjusted Through-hole is saved, adjusting rod, which passes through, adjusts through-hole, and adjusting rod is equipped with the first adjusting nut and the second adjusting nut, the first adjusting nut The opposite sides for adjusting through-hole is set with the second adjusting nut, and described elastic element one end is connect with installation pedestal, the other end It is connect with adjusting rod.
2. a kind of belt tensioner according to claim 1, characterized in that the tensioning wheel is equipped with belt grooves, described Belt grooves two sides are respectively provided with a stop collar.
3. a kind of belt tensioner according to claim 1, characterized in that the installation pedestal is equipped with guide rail, Guide rail is equipped with guiding raised line, and the sliding rack is equipped with the guiding groove being adapted to guiding raised line.
4. a kind of belt tensioner according to claim 3, characterized in that the guiding raised line is T-type raised line, is oriented to recessed Slot is T-type groove.
5. a kind of belt tensioner according to claim 1 or 2 or 3 or 4, characterized in that the elastic element is equipped with Link block, elastic element are connect by link block with installation pedestal;Link block is fixed by fixing bolt and installation pedestal, installation Pedestal is equipped with several threaded holes being adapted to fixing bolt, and the threaded hole is uniformly distributed along sliding rack glide direction.
6. a kind of belt tensioner according to claim 3 or 4, characterized in that the guide rail is equipped with anti-on-slip Move the limited block that frame is detached from guide rail.
7. a kind of belt tensioner according to claim 1 or 2 or 3 or 4, characterized in that the tensioning wheel, which is equipped with, to be subtracted Weight deep gouge, loss of weight deep gouge are equipped with loss of weight through-hole.
CN201821334854.3U 2018-08-17 2018-08-17 A kind of belt tensioner Active CN209023612U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821334854.3U CN209023612U (en) 2018-08-17 2018-08-17 A kind of belt tensioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821334854.3U CN209023612U (en) 2018-08-17 2018-08-17 A kind of belt tensioner

Publications (1)

Publication Number Publication Date
CN209023612U true CN209023612U (en) 2019-06-25

Family

ID=66873289

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821334854.3U Active CN209023612U (en) 2018-08-17 2018-08-17 A kind of belt tensioner

Country Status (1)

Country Link
CN (1) CN209023612U (en)

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