CN218433210U - Anti-drop type pin shaft for scraper type slag fishing machine - Google Patents
Anti-drop type pin shaft for scraper type slag fishing machine Download PDFInfo
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- CN218433210U CN218433210U CN202222815806.9U CN202222815806U CN218433210U CN 218433210 U CN218433210 U CN 218433210U CN 202222815806 U CN202222815806 U CN 202222815806U CN 218433210 U CN218433210 U CN 218433210U
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Abstract
An anti-dropping pin shaft for a scraper slag salvaging machine comprises a pin shaft body, wherein the pin shaft body comprises a pin body, and one end of the pin body is provided with a pin head in a boss form; the tail end of the pin body is provided with a fastening assembly, and the fastening assembly is detachably arranged at the tail end and limits the axial displacement of the pin body; the fastening assembly comprises a pin tail central hole arranged at the tail end of the pin body and a fastening piece connected in the pin tail central hole in a matching mode, and the fastening piece is installed at the pin tail central hole through a spring pad. The utility model discloses can realize round pin axle recovery and a lot of reuse, and can avoid the round pin axle to drop in service, have higher economic nature and security.
Description
Technical Field
The utility model relates to a connection structure of scraper blade on scraper blade dragveyer, especially a scraper blade dragveyer is with anti-drop formula round pin axle.
Background
The scraper slag conveyor is mainly used for separating solid substances meeting a certain particle size from a liquid and solid mixture, is a continuous and efficient mechanical slag removing device, and is commonly used in the occasions of separation or solid-liquid separation, such as: a boiler slag discharging system is characterized in that cooling water (the water temperature is less than or equal to 60 ℃) is fully stored in an open upper groove body, high-temperature red slag or other pug and stone materials in a hearth fall into the upper groove body to be quenched and granulated, and an angle steel type or rectangular scraper plate pulled by an annular chain is pulled out forwards.
The scraper is used as a direct part for removing slag and is dragged by a chain, the scraper is connected with the chain through connectors at two sides, the connectors and the chain are generally connected by cylindrical pin shafts, and cotter pins are worn at the end parts. In view of the service environment is abominable, all need purchase a certain amount of round pin axle and split pin again with demolising the scraper blade at every turn, and scraper blade dragveyer operation, the split pin easily drops from the round pin shaft hole, causes scraper blade connector round pin axle and scraper blade to drop, causes scraper blade dragveyer forced retirement to salvage, brings the safety risk for equipment operation and person.
Disclosure of Invention
In order to overcome the above-mentioned not enough of prior art, the utility model provides a scrape anti-drop formula round pin axle for slag extractor, this round pin axle can realize that the round pin axle is retrieved and reuse many times, and can avoid the round pin axle to drop in service, has higher economic nature and security.
The utility model provides a technical scheme that its technical problem adopted is:
an anti-dropping pin shaft for a scraper slag salvaging machine comprises a pin shaft body, wherein the pin shaft body comprises a pin body, and one end of the pin body is provided with a pin head in a boss form; the tail end of the pin body is provided with a fastening assembly, and the fastening assembly is detachably arranged at the tail end and limits the axial displacement of the pin body;
the fastening assembly comprises a pin tail central hole arranged at the tail end of the pin body and a fastening piece matched and connected in the pin tail central hole, and the fastening piece is arranged at the pin tail central hole through a spring pad.
Optionally, the central hole of the pin tail is an internal thread matching hole, and the fastener is a pin tail screw.
Optionally, a hexagonal groove is formed in the center of the end cover of the pin tail screw.
Optionally, the pin head in the form of the boss is integrally cylindrical, or a circular truncated cone, or a cuboid or a prism.
Optionally, the pin head is further provided with a plurality of ear plates at the periphery thereof.
Optionally, the number of the ear plates is two, and the ear plates are arranged on the pin head in an axisymmetric manner.
Optionally, the pin shaft body and the pin tail screw are made of 20CrMnTi and subjected to thermal refining.
Compared with the prior art, the utility model discloses a scrape board-like anti-drop formula round pin axle for slag extractor utilizes the fastening sub-assembly and the cooperation of round pin head of round pin body tail end, realize scraping the fixed connection of board connector and chain, through the connection form of fastener + spring pad + round pin tail centre bore, the defect that current split pin easily drops has been solved, and be convenient for round pin axle recovery and reuse many times, spare part consumption and the waste of cost have been reduced, great economic benefits has been produced, the risk of salvageing that causes equipment trouble and personnel because of split pin and round pin axle drop has been reduced simultaneously, and is safer.
Drawings
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is a front view of an embodiment of the present invention.
Fig. 2 is a front view of the pin body according to an embodiment of the present invention.
Fig. 3 is a right side view of the pin body according to an embodiment of the present invention.
Fig. 4 is a front view of a fastener assembly in an embodiment of the invention.
Fig. 5 is a bottom view of the fastener assembly in an embodiment of the invention.
The reference numbers in the figures illustrate:
1-a pin shaft body; 11-pin body; 111-pin head; 1111-ear plate; 112-pin tail center hole;
2-a fastener assembly; 21-a fastener; 211-pin tail screws; 2111-hexagonal groove;
3-spring cushion.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The prior scraper pin shaft is a flat-head pin shaft which is formed by punching a section, and a transverse pin hole drilled at the tail part is used for installing a cotter pin so as to prevent the pin shaft from withdrawing or falling off. However, in the long-term operation of the scraper slag conveyor, the pin shaft falls when the cotter pin is broken or falls, so that the scraper is separated; in addition, installed cotter pins cannot be reused in blade replacement, resulting in wasted capital.
As shown in fig. 1 to 5, the utility model provides an anti-drop pin shaft for scraper slag extractor, which comprises a pin shaft body 1, wherein the pin shaft body 1 comprises a pin body 11, and one end of the pin body 11 is provided with a pin head 111 in the form of a boss; the tail end of the pin body 11 is provided with a fastening assembly 2, and the fastening assembly 2 is detachably arranged at the tail end and limits the axial displacement of the pin body 11;
the fastening assembly 2 includes a pin shank central hole 112 provided at the rear end of the pin body 11 and a fastening member 21 fittingly coupled in the pin shank central hole 112, the fastening member 21 being mounted at the pin shank central hole 112 through the spring washer 3.
The pin shaft body 1 of the embodiment is also installed in a connecting pin hole of the connector and the chain through the pin body 11, the pin shaft body 1 is limited at one end of the connecting pin hole by the pin head 111 in the form of a boss, and the other end of the pin shaft body is limited at the tail end of the pin body 11 through the fastening assembly 2, so that the connector and the chain are fixedly connected. The fastener 21 is connected in the pin tail center hole 112 by the end face fit of the pin tail, the scouring received is relatively small in the slag scraping process, and meanwhile, the spring pad 3 is arranged between the fastener 21 and the end face. When the hinge pin is used, only the fastener 21 with worn parts needs to be detached and replaced, and the hinge pin body 1 can be recycled, so that the consumption of spare parts is reduced, and the waste of cost is avoided.
In an alternative embodiment of this embodiment, the pin tail central bore 112 is an internally threaded mating bore and the fastener 21 is a pin tail screw 211.
The pin tail screw 211 is matched with the internal thread matching hole in a simple and reliable way, and particularly, the spring pad 3 is installed, so that the pin tail screw 211 can be prevented from being loosened and withdrawn for a long time.
In an optional implementation manner of this embodiment, a hexagonal groove 2111 is formed in a center position of the end cover of the pin tail screw 211.
The arrangement of the hexagonal groove 2111 facilitates fastening torque during installation and also facilitates disassembly. Further, a hexagonal groove 2111 with the size of M8 multiplied by 4mm can be specifically selected.
In an alternative embodiment of this embodiment, the shape of the boss-shaped pin head 111 may be generally cylindrical or truncated cone or rectangular or prismatic. The specific shape of the pin head 111 is not limited to this, and the pin body 1 may be axially limited to the outside of the one end of the connecting pin hole as long as the outer dimension of the pin head 111 is larger than the outer diameter of the pin body 11.
In an alternative embodiment of this embodiment, the pin head 111 is further provided with a plurality of ear plates 1111 at the periphery thereof.
After round pin head 111 periphery has otic placode 1111 structure, can increase spacing area on the one hand, restrict axial displacement better, on the other hand can provide the point of application of force for the assembly operation, makes the dismouting more convenient.
In a further embodiment of the present embodiment, the number of the ear plates 1111 is two, and the ear plates 1111 are arranged on the pin head 111 in an axisymmetric manner. The two ear plates 1111 which are symmetrically arranged can keep the center of gravity of the pin head 111 unchanged, have moderate weight and are beneficial to applying force at various angles.
In order to meet the strength requirement, in an optional implementation manner of the present embodiment, the pin shaft body 1 and the pin tail screw 211 are made of 20CrMnTi and are subjected to thermal refining.
The anti-dropping pin shaft for the scraper slag extractor in the embodiment has the following specific manufacturing scheme:
the method is characterized in that a section of phi 32 20CrMnTi bar is used, a pin head 111 with the thickness of 5mm is reserved at the head of the turning bar through machining, the turning length of a pin body 11 is phi 82mm, the center of a pin tail is drilled and tapped for M8 x 20mm, a M32 x 20 pin tail screw 211 is additionally machined, a M8 x 4mm hexagonal groove is machined through the thickness of a screw end cover being 10mm, the pin tail screw 211 is convenient to fasten, when a pin shaft is assembled with the pin tail screw 211, the outer diameter phi =24mm, the inner diameter phi =8mm, the thickness d =0.8mm of a spring cushion 3 is additionally installed, and the total length of the assembled pin shaft is about 93mm.
The above, only the utility model discloses a preferred embodiment is not right the utility model discloses do the restriction in any form, all basis the utility model discloses a technical essence makes any simple modification and equal change to above embodiment, all falls into within the protection scope of the utility model.
Claims (7)
1. The utility model provides a scrape board-like anti-drop formula round pin axle for slag extractor which characterized by: the hinge pin comprises a hinge pin body, wherein the hinge pin body comprises a hinge pin body, and one end of the hinge pin body is provided with a hinge pin head in a boss form; the tail end of the pin body is provided with a fastening assembly, and the fastening assembly is detachably arranged at the tail end and limits the axial displacement of the pin body;
the fastening assembly comprises a pin tail central hole arranged at the tail end of the pin body and a fastening piece connected in the pin tail central hole in a matching mode, and the fastening piece is installed at the pin tail central hole through a spring pad.
2. The anti-drop pin shaft for the scraper slag extractor according to claim 1, which is characterized in that: the central hole of the pin tail adopts an internal thread matching hole, and the fastener adopts a pin tail screw.
3. The anti-drop pin shaft for the scraper slag extractor according to claim 2, which is characterized in that: and a hexagonal groove is formed in the center of the end cover of the pin tail screw.
4. The anti-drop pin shaft for the scraper slag extractor as claimed in claim 1, 2 or 3, which is characterized in that: the pin head in the boss form is integrally cylindrical or truncated cone or cuboid or prism.
5. The anti-drop pin shaft for the scraper slag extractor according to claim 4, which is characterized in that: the periphery of the pin head is also provided with a plurality of lug plates.
6. The anti-drop pin shaft for the scraper slag extractor according to claim 5, which is characterized in that: the number of the ear plates is two, and the ear plates are arranged on the pin head in an axisymmetric mode.
7. The anti-drop pin shaft for the scraper slag extractor according to claim 6, which is characterized in that: the pin shaft body and the pin tail screw are made of 20CrMnTi and are subjected to quenching and tempering treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222815806.9U CN218433210U (en) | 2022-10-25 | 2022-10-25 | Anti-drop type pin shaft for scraper type slag fishing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222815806.9U CN218433210U (en) | 2022-10-25 | 2022-10-25 | Anti-drop type pin shaft for scraper type slag fishing machine |
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| Publication Number | Publication Date |
|---|---|
| CN218433210U true CN218433210U (en) | 2023-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222815806.9U Active CN218433210U (en) | 2022-10-25 | 2022-10-25 | Anti-drop type pin shaft for scraper type slag fishing machine |
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| CN (1) | CN218433210U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118578219A (en) * | 2024-08-01 | 2024-09-03 | 中橡(江苏)胶业科技有限公司 | A outer disc grinder bed material loading subassembly for rubber roll processing |
-
2022
- 2022-10-25 CN CN202222815806.9U patent/CN218433210U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118578219A (en) * | 2024-08-01 | 2024-09-03 | 中橡(江苏)胶业科技有限公司 | A outer disc grinder bed material loading subassembly for rubber roll processing |
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