CN111306254A - Conveying chain - Google Patents
Conveying chain Download PDFInfo
- Publication number
- CN111306254A CN111306254A CN202010258151.2A CN202010258151A CN111306254A CN 111306254 A CN111306254 A CN 111306254A CN 202010258151 A CN202010258151 A CN 202010258151A CN 111306254 A CN111306254 A CN 111306254A
- Authority
- CN
- China
- Prior art keywords
- chain
- plate
- heat dissipation
- pin shaft
- chain plate
- 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.)
- Pending
Links
- 238000003466 welding Methods 0.000 claims abstract description 21
- 230000017525 heat dissipation Effects 0.000 claims abstract description 16
- 229910000679 solder Inorganic materials 0.000 claims 1
- 238000005299 abrasion Methods 0.000 abstract description 9
- 230000009347 mechanical transmission Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 10
- 239000010959 steel Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 230000001050 lubricating effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G13/00—Chains
- F16G13/02—Driving-chains
- F16G13/06—Driving-chains with links connected by parallel driving-pins with or without rollers so called open links
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
- F16G15/00—Chain couplings, Shackles; Chain joints; Chain links; Chain bushes
- F16G15/12—Chain links
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chain Conveyers (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention relates to the technical field of mechanical transmission, in particular to a conveying chain, which comprises inner chain plates, outer chain plates, a pin shaft and a sleeve, wherein the pin shaft sequentially penetrates through the outer chain plates at the rear side, the inner chain plates at the rear side, the sleeve, the inner chain plates at the front side and the outer chain plates at the front side from back to front; the high-hardness guide plate is fixedly welded on the end face of the outer chain plate, which is far away from the side end face of the inner chain plate; the welding of the upper edge of the inner chain plate and the outer chain plate is provided with a welding layer, the inner chain plate and the outer chain plate are provided with heat dissipation windows, the rear end of the pin shaft is processed with a step surface, the front end of the pin shaft is processed with a retainer ring groove, and a locking retainer ring is clamped in the retainer ring groove. The invention greatly reduces the abrasion and deformation of the chain plate, effectively prolongs the service life of the guide plate and the chain, and is worthy of popularization and application.
Description
Technical Field
The invention relates to the technical field of mechanical transmission, in particular to a conveying chain.
Background
The chain is generally a metallic chain ring or ring, and is used for mechanical transmission and traction. In the use process of a chain of the cooling machine, the temperature of the conveyed section steel is high, heat is directly conducted to the chain, chain plates are extremely easy to deform and wear (the temperature is high and the hardness is reduced) due to temperature change, thermal fatigue and the like, in addition, the conveying chain enters the cooling bed from the section steel and goes out of the cooling bed, the temperature is from 600 ℃ to normal temperature, and the parison is cooled to drive the chain to laterally move in the operation process due to the reason of thermal expansion and cold contraction, so that the channel is laterally extruded and worn. The guide plate is abraded after excessive abrasion of the guide plate due to hardness problem and guide rail friction, so that the chain fails. Therefore, the problems to be solved by the cooling machine chain are as follows: 1. how to reduce the abrasion and deformation of the chain plate; 2. the service life of the guide plate and the chain is prolonged.
Disclosure of Invention
In order to solve the problems set forth in the above background art, the present invention provides a conveyor chain.
In order to achieve the purpose, the invention provides the following technical scheme:
a conveying chain comprises inner chain plates, outer chain plates, pin shafts and sleeves, wherein the pin shafts sequentially penetrate through the rear side outer chain plates, the rear side inner chain plates, the sleeves, the front side inner chain plates and the front side outer chain plates from back to front;
the high-hardness guide plate is fixedly welded on the end face of the outer chain plate, which is far away from the side end face of the inner chain plate; welding layers are welded on the upper edges of the inner chain plate and the outer chain plate, so that the technical effects of high temperature resistance and wear resistance are achieved, and the heat transmitted into the chain plates by high-temperature profile steel can be reduced; the inner chain plate and the outer chain plate are provided with heat dissipation windows which are round, rectangular or waist-shaped; the heat dissipation window is a through hole or a counter bore; the heat conducted from the high-temperature profile steel is radiated into the air to the maximum extent, so that the temperature rise of a chain transmission part is small, the strength of a chain is ensured, and meanwhile, the thermal deformation of the chain plate is reduced due to small temperature change of the chain plate; the rear end of the pin shaft is provided with a step surface to achieve a locking effect, the front end of the pin shaft is provided with a retaining ring groove, and a locking retaining ring is clamped in the retaining ring groove to achieve the locking effect.
As a further scheme of the invention: the hardness of the welding layer is HRC 65.
Compared with the prior art, the invention has the beneficial effects that:
1. a high-temperature-resistant and wear-resistant welding layer is overlaid and welded on the contact part of the high-temperature-resistant and wear-resistant welding layer and can resist high temperature and have high hardness (the hardness can reach more than HRC 65), so that the heat transmitted into the chain plate by the high-temperature-resistant section steel can be reduced (the heat conduction coefficient is low), and the wear of the chain plate is improved because the welding layer can keep high hardness at high temperature;
2. heat dissipation formula link joint: the chain plate is subjected to stress analysis, and under the condition that the strength of the chain plate is not reduced, the heat dissipation window is arranged on the chain plate, so that the heat conducted from the high-temperature profile steel is dissipated into the air to the maximum extent, the temperature rise of a transmission part of the chain is small, the strength of the chain is ensured, and meanwhile, the thermal deformation of the chain plate is reduced due to the small temperature change of the chain plate;
3. the hardness of the guide plate is improved (higher than that of a chain plate), and a special welding process is adopted, so that the hardness of the guide plate is not reduced after welding, the friction and the abrasion with a chain channel are small, and the service life of the chain is prolonged;
4. the shrinkage of the parison drives the chain to laterally move, the channel generates lateral extrusion force on the chain, the pin shaft is designed into a step structure, one end of the pin shaft is provided with a step surface lock stop, the other end of the pin shaft is provided with a self-locking lock stop ring lock stop, the axial thrust can reach more than 300kN, and the firm and reliable connection of the outer chain plate and the pin shaft is ensured;
5. before the chain leaves a factory, surfaces of a pin shaft, a sleeve, a roller and the like which move relative to a hinge are pre-coated with scale graphite high-temperature compound lubricating grease with excellent high-temperature performance, oxidation resistance stability, extreme pressure abrasion resistance and high adhesive force, so that the lubricating effect which cannot be achieved by other oil materials during the operation of the chain is met to the maximum extent, and the abrasion of the chain is reduced.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a left side view of the present invention.
Fig. 4 is a schematic structural view of the locking retainer ring of the present invention.
In the figure: 1-inner chain plate, 2-outer chain plate, 3-pin shaft, 4-sleeve, 5-high hardness guide plate, 6-welding layer, 7-heat dissipation window, 8-step surface, 9-locking retainer ring and 10-retainer ring groove.
Detailed Description
Example 1
Referring to fig. 1-4, a conveying chain includes an inner link plate 1, an outer link plate 2, a pin shaft 3 and a sleeve 4, wherein the pin shaft 3 sequentially passes through the outer link plate 2 at the rear side, the inner link plate 1 at the rear side, the sleeve 4, the inner link plate 1 at the front side and the outer link plate 2 at the front side from back to front; the high-hardness guide plate 5 is fixedly welded on the end face of the outer chain plate 2 far away from the side of the inner chain plate 1; the welding layers 6 are welded on the upper edges of the inner chain plate 1 and the outer chain plate 2, so that the technical effects of high temperature resistance and wear resistance are achieved, and the heat transmitted to the chain plates by high-temperature section steel can be reduced; the inner chain plate 1 and the outer chain plate 2 are provided with heat dissipation windows 7, and the heat dissipation windows 7 are circular, rectangular or waist-shaped; the heat dissipation window 7 is a through hole or a counter bore; the heat conducted from the high-temperature profile steel is radiated into the air to the maximum extent, so that the temperature rise of a chain transmission part is small, the strength of a chain is ensured, and meanwhile, the thermal deformation of the chain plate is reduced due to small temperature change of the chain plate; a step surface 8 is processed at the rear end of the pin shaft 3 to play a locking effect, a retainer ring groove 10 is processed at the front end of the pin shaft 3, and a locking retainer ring 9 is clamped in the retainer ring groove 10 to play a locking effect;
the hardness of the welding layer 6 is HRC 65.
The working principle of the invention is as follows:
1. the high-temperature-resistant and wear-resistant welding layer 6 is overlaid and welded on the contact part of the high-temperature-resistant and wear-resistant welding layer 6 and the welding layer 6 can resist high temperature and has high hardness (the hardness can reach more than HRC 65), so that the heat transmitted into the chain plate by the high-temperature-resistant steel can be reduced (the heat conduction coefficient is low), and the wear of the chain plate is improved because the welding layer 6 can keep high hardness at high temperature;
2. heat dissipation formula link joint: the chain plate is subjected to stress analysis, and the heat dissipation window 7 is arranged on the chain plate under the condition that the strength of the chain plate is not reduced, so that heat conducted from the high-temperature profile steel is dissipated into the air to the maximum extent, the temperature rise of a transmission part of the chain is small, the strength of the chain is ensured, and meanwhile, the thermal deformation of the chain plate is reduced due to small temperature change of the chain plate;
3. the hardness of the guide plate is improved (higher than that of a chain plate), and a special welding process is adopted, so that the hardness of the guide plate is not reduced after welding, the friction and the abrasion with a chain channel are small, and the service life of the chain is prolonged;
4. the shrinkage of the parison drives the chain to laterally move, the channel generates lateral extrusion force on the chain, the pin shaft is designed into a step structure, one end of the pin shaft is provided with a step surface 8 for locking, the other end of the pin shaft is provided with a self-locking retainer ring 9 for locking, the axial thrust can reach more than 300kN, and the outer chain plate 2 and the pin shaft 3 are ensured to be firmly and reliably connected;
5. before the chain leaves a factory, surfaces of a pin shaft, a sleeve, a roller and the like which move relative to a hinge are pre-coated with scale graphite high-temperature compound lubricating grease with excellent high-temperature performance, oxidation resistance stability, extreme pressure abrasion resistance and high adhesive force, so that the lubricating effect which cannot be achieved by other oil materials during the operation of the chain is met to the maximum extent, and the abrasion of the chain is reduced.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a conveying chain, includes inner plate (1), outer plate (2), round pin axle (3) and sleeve (4), round pin axle (3) pass the rear side by back forward in proper order outer plate (2), rear side inner plate (1) sleeve (4), front side inner plate (1) and front side outer plate (2), its characterized in that: the high-hardness guide plate (5) is fixedly welded on the end face of the outer chain plate (2) far away from the side end face of the inner chain plate (1); the welding of going up along welding of inner chain board (1) with outer chain board (2) has solder layer (6), inner chain board (1) with heat dissipation window (7) have been seted up on outer chain board (2), the rear end processing of round pin axle (3) has step face (8), the front end processing of round pin axle (3) has retainer ring groove (10), retainer ring inslot (10) inside callipers are equipped with and only lock retaining ring (9).
2. A conveyor chain according to claim 1, wherein: the hardness of the welding layer (6) is HRC 65.
3. A conveyor chain according to claim 1, wherein: the heat dissipation window (7) is circular.
4. A conveyor chain according to claim 1, wherein: the heat dissipation window (7) is rectangular.
5. A conveyor chain according to claim 1, wherein: the heat dissipation window (7) is waist-shaped.
6. A conveyor chain according to any one of claims 1-5, wherein: the heat dissipation window (7) is a through hole.
7. A conveyor chain according to any one of claims 1-5, wherein: the heat dissipation window (7) is a counter bore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010258151.2A CN111306254A (en) | 2020-04-03 | 2020-04-03 | Conveying chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010258151.2A CN111306254A (en) | 2020-04-03 | 2020-04-03 | Conveying chain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111306254A true CN111306254A (en) | 2020-06-19 |
Family
ID=71157481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010258151.2A Pending CN111306254A (en) | 2020-04-03 | 2020-04-03 | Conveying chain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111306254A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1270918A (en) * | 1999-04-15 | 2000-10-25 | 株式会社东芝 | Conveyer |
| JP2006145005A (en) * | 2004-11-24 | 2006-06-08 | Tsubakimoto Chain Co | Anticorrosive chain |
| CN102537210A (en) * | 2012-01-17 | 2012-07-04 | 苏州环球集团链传动有限公司 | Wear-resistant chain |
| CN204550665U (en) * | 2015-03-24 | 2015-08-12 | 天津市精成伟业机器制造有限公司 | A kind of quenching swiveling wheel of built-up welding reinforcing structure |
| CN206243916U (en) * | 2016-12-07 | 2017-06-13 | 益阳赫山链条制造有限公司 | Lightweight engineered chain |
| CN209800634U (en) * | 2019-04-23 | 2019-12-17 | 杭州钱江链传动有限公司 | Roller chain |
| CN210032814U (en) * | 2019-03-16 | 2020-02-07 | 山东九路泊车设备股份有限公司 | Safe flexible vertical circulating system of vertical circulating stereo garage |
| CN212055676U (en) * | 2020-04-03 | 2020-12-01 | 安徽黄山恒久链传动有限公司 | Conveying chain |
-
2020
- 2020-04-03 CN CN202010258151.2A patent/CN111306254A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1270918A (en) * | 1999-04-15 | 2000-10-25 | 株式会社东芝 | Conveyer |
| JP2006145005A (en) * | 2004-11-24 | 2006-06-08 | Tsubakimoto Chain Co | Anticorrosive chain |
| CN102537210A (en) * | 2012-01-17 | 2012-07-04 | 苏州环球集团链传动有限公司 | Wear-resistant chain |
| CN204550665U (en) * | 2015-03-24 | 2015-08-12 | 天津市精成伟业机器制造有限公司 | A kind of quenching swiveling wheel of built-up welding reinforcing structure |
| CN206243916U (en) * | 2016-12-07 | 2017-06-13 | 益阳赫山链条制造有限公司 | Lightweight engineered chain |
| CN210032814U (en) * | 2019-03-16 | 2020-02-07 | 山东九路泊车设备股份有限公司 | Safe flexible vertical circulating system of vertical circulating stereo garage |
| CN209800634U (en) * | 2019-04-23 | 2019-12-17 | 杭州钱江链传动有限公司 | Roller chain |
| CN212055676U (en) * | 2020-04-03 | 2020-12-01 | 安徽黄山恒久链传动有限公司 | Conveying chain |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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