CN217147390U - Novel pin shaft for chain wheel assembly of scraper conveyor for coal mine - Google Patents
Novel pin shaft for chain wheel assembly of scraper conveyor for coal mine Download PDFInfo
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- CN217147390U CN217147390U CN202123312453.2U CN202123312453U CN217147390U CN 217147390 U CN217147390 U CN 217147390U CN 202123312453 U CN202123312453 U CN 202123312453U CN 217147390 U CN217147390 U CN 217147390U
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- positioning pin
- pin
- chain wheel
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- scraper conveyor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
A novel pin shaft for a chain wheel assembly of a scraper conveyor for a coal mine comprises an upper positioning pin, a movable positioning pin and a lower positioning pin, wherein an oil guide hole is formed in the upper positioning pin, connecting holes matched with the upper positioning pin are formed in the movable positioning pin and the lower positioning pin, one end of the upper positioning pin is sleeved with a spring, and the other end of the upper positioning pin penetrates through the movable positioning pin through the connecting holes and extends into the lower positioning pin; and the upper end and the lower end of the movable positioning pin are respectively provided with a first sealing ring matched with the upper positioning pin and the lower positioning pin, and the side parts of the movable positioning pin and the lower positioning pin are respectively provided with a second sealing ring. This application can realize giving the unity of sprocket location and two functions of oiling, not only can guarantee the convenience of installation through the function that novel round pin axle positioning accuracy can be finely tuned, can also avoid exposing in the outside such as rubber tube and joint through the sprocket oiling in the frame is inside to improve the reliability that the sprocket used.
Description
Technical Field
The utility model relates to a scraper conveyor technical field, especially a scraper conveyor sprocket assembly is with novel round pin axle for coal mine.
Background
The sprocket of scraper conveyor for the coal mine is the essential element that drives the operation of scraper chain, and at present, the location mode of scraper conveyor sprocket and frame generally fixes a position through entity round pin axle between sprocket bearing frame and the frame supporting seat, prevents that sprocket axial float and sprocket bearing frame are rotatory, drives the sprocket ring rotation through the sprocket shaft to the drive scraper chain moves, and the lubricated mode of sprocket carries out the oiling lubrication for the oil filler point through frame both sides riser department to the sprocket both ends.
The positioning and oil injection method commonly adopted by the existing chain wheel mainly has two problems:
firstly, the requirement on the positioning accuracy of the two pin shafts is high, and if the positioning accuracy error of the two pin shafts is slightly large, the chain wheel and the rack are difficult to mount;
the other problem is that the oil injection to the chain wheel needs to be carried out from two ends of the chain wheel, and in the working process of the scraper conveyor, one side end face of the chain wheel needs to face the coal wall, the working environment is very bad, in order to avoid the exposure of rubber pipes and streets for oil injection to the outside and damage the rubber pipes and the streets, measures such as a protective cover need to be added to protect the chain wheel, but because the working environment of the scraper conveyor is bad, if the protection is not good, the damage of the rubber pipes and joints can be caused, if only the rubber pipes are damaged, the replacement is easy, but if the internal lubrication of the chain wheel is bad due to the damage of the rubber pipes, the damage of internal structural parts is caused, the maintenance and the replacement of the chain wheel can be troublesome, the cost of the chain wheel is high, and unnecessary economic loss can be caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to prior art not enough, provide a scraper conveyor sprocket assembly is with novel round pin axle for coal mine of convenience that installation is guaranteed to function with fine setting.
The technical problem to be solved by the utility model is realized through the following technical scheme. The utility model relates to a novel pin shaft for a chain wheel component of a scraper conveyor for a coal mine, which comprises an upper positioning pin, a movable positioning pin and a lower positioning pin, wherein an oil guide hole is arranged in the upper positioning pin, connecting holes matched with the upper positioning pin are respectively arranged in the movable positioning pin and the lower positioning pin, one end of the upper positioning pin is sleeved with a spring, and the other end of the upper positioning pin penetrates through the movable positioning pin through the connecting holes and extends into the lower positioning pin;
and the upper end and the lower end of the movable positioning pin are respectively provided with a first sealing ring matched with the upper positioning pin and the lower positioning pin, and the side parts of the movable positioning pin and the lower positioning pin are respectively provided with a second sealing ring.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above scraper conveyor sprocket assembly is with novel round pin axle for the colliery, be provided with at last locating pin tip with spring complex clamp the groove.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above scraper conveyor chain wheel subassembly for the colliery be provided with at the tip of movable locating pin with a sealing washer complex recess one, be provided with sealing washer two complex recess two at the lateral part of movable locating pin and the lateral part of lower locating pin.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above scraper conveyor sprocket assembly is with novel round pin axle for the colliery, sealing washer one and sealing washer two are O type circle.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above scraper conveyor chain wheel subassembly for the colliery with novel round pin axle, set gradually on last locating pin with spring complex supporting part, with the well portion of leading to of movable locating pin complex and with locating pin complex lower connecting portion down, the diameter of supporting part is greater than the diameter of well portion of leading to, the diameter of well portion of leading to is greater than the diameter of lower connecting portion, the internal diameter of the connecting hole on the lower locating pin is less than the internal diameter of the connecting hole on the movable locating pin.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above scraper conveyor sprocket assembly is with novel round pin axle for the colliery, the internal diameter of the connecting hole on the movable locating pin is greater than the diameter of well logical portion, and the external diameter of movable locating pin is greater than the external diameter of last locating pin.
The utility model discloses the technical problem that solve can also further realize through following technical scheme, to above scraper conveyor chain wheel assembly is with novel round pin axle for the colliery, the sealing washer two of activity locating pin lateral part is provided with 2-3.
Compared with the prior art, the utility model aims to solve the defects of the chain wheel component of the scraper conveyor by using the pin shaft positioning and oil injection mode, designs a novel pin shaft, does not adopt the mode of positioning the pin shaft of the old chain wheel component and injecting oil at both ends of the chain wheel, but realizes the two functions of positioning the chain wheel and injecting oil and lubricating the chain wheel by using the novel pin shaft, thereby realizing the unification of the two functions of positioning and lubricating; secondly, not only can guarantee the convenience of installation through the function that novel round pin axle positioning accuracy can finely tune, can also avoid rubber tube and joint etc. to expose in the outside through the sprocket oiling in the frame inside, improve the reliability that the sprocket used.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the installation relationship between the present invention and the sprocket;
FIG. 3 is a schematic view of a mounting relationship between a solid pin and a sprocket in the prior art;
FIG. 4 is a schematic diagram of a prior art scraper conveyor frame structure;
fig. 5 is a usage status diagram of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. 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.
As shown in fig. 3, in the prior art, a sprocket and a frame of a scraper conveyor are generally positioned by a solid pin 16 between a sprocket bearing seat 10 and a frame supporting seat 12, so that axial movement of the sprocket and rotation of the sprocket bearing seat 10 are prevented, a sprocket ring 11 is driven to rotate by a sprocket shaft, and a scraper chain is driven to operate, wherein the sprocket is lubricated by oiling oil to oil holes at two ends of the sprocket through vertical plates 7 at two sides of the frame;
the novel pin shaft for the coal mine scraper conveyor is designed, and is a novel adjustable pin shaft, an old chain wheel assembly pin shaft is not used for positioning, and two functions of chain wheel positioning, oil injection and lubrication are realized through the novel adjustable pin shaft, so that the two functions of positioning and lubrication are unified;
through the novel adjustable pin shaft, the convenience of installation can be guaranteed through the function that the positioning precision of the pin shaft can be finely adjusted, oil can be injected into the chain wheel in the rack, rubber tubes, joints and the like are prevented from being exposed outside, and the use reliability of the chain wheel is improved;
as shown in fig. 1, a novel pin shaft for a chain wheel assembly of a scraper conveyor for a coal mine comprises a spring 1, an upper positioning pin 2, a movable positioning pin 3, a lower positioning pin 4, an O-ring I5 and an O-ring II 6;
positioning relation between pin shaft 15 and chain wheel and frame support seat 12
As shown in fig. 1 and 2, the outer diameter of the lower positioning pin 4 is in transition fit with the inner diameter of the sprocket bearing seat counterbore, and an O-shaped ring II 6 is arranged between the lower positioning pin 4 and the sprocket bearing seat counterbore inner diameter to seal lubricating oil in the sprocket;
the matching part of the upper positioning pin 2 and the lower positioning pin 4 is in clearance fit, and the upper positioning pin 2 and the lower positioning pin 4 can move relatively;
the movable positioning pin 3 is arranged between the upper positioning pin 2 and the lower positioning pin 4, after the novel pin shaft is installed, the upper positioning pin 2 can move towards the center direction of the chain wheel due to the reaction force of the spring 1 after the upper surface of the spring is contacted with the plane in the pin hole 13 of the rack supporting seat, so that the upper positioning pin 2 and the lower positioning pin 4 move relatively, the upper surface and the lower surface of the movable positioning pin 3 are respectively contacted with the upper positioning pin 2 and the lower positioning pin 4, and the O-shaped ring 5 is respectively arranged on the upper surface and the lower surface of the movable positioning pin 3, so that the O-shaped ring 5 plays a sealing role in the chain wheel oil injection process and the lubricating oil in the chain wheel;
as shown in fig. 1, the inner diameter of the movable positioning pin 3 is larger than the outer diameter of the corresponding position of the upper positioning pin 2, and a proper gap is reserved between the movable positioning pin 3 and the upper positioning pin, so that the movable positioning pin 3 can move properly along the radial direction of the novel pin shaft; meanwhile, the outer diameter of the movable positioning pin 3 is larger than the outer diameter of the upper positioning pin 2, the outer diameter of the movable positioning pin 3 is directly matched with the rack supporting seat pin hole 13, the outer diameter of the upper positioning pin 2 is not directly matched with the rack supporting seat pin hole 13, a certain gap is reserved between the upper positioning pin and the rack supporting seat pin hole, when the sprocket is installed on a rack, if the positioning sizes of the two novel hinge pins 15 are deviated, the movable positioning pin 3 can move along the radial direction, the positioning error is finely adjusted, the sprocket is ensured to be installed smoothly, and the O-shaped ring II 6 at the outer diameter of the movable positioning pin 3 ensures the sealing effect on lubricating oil in the process of injecting oil to the sprocket;
secondly, the novel pin shaft is used for filling oil to the chain wheel
After the chain wheel and the scraper conveyor frame are installed, as shown in fig. 2, 4 and 5, a through hole is formed in a positioning pin 2 on a novel pin shaft 15, a chain wheel bearing seat through hole 9 is machined in a position, corresponding to the novel pin shaft 15, of a chain wheel bearing seat 10, and a frame support seat through hole 8 is machined in a position, corresponding to a frame support seat pin hole 13, of a frame support seat 12;
the joint 14 is arranged on the outer side of the through hole 8 of the support seat of the stand, the through hole 9 of the bearing seat of the chain wheel is communicated with the through hole in the pin shaft positioning pin 2 and the through hole 8 of the support seat of the stand, so that oil can be injected into the chain wheel through the joint 14 for lubrication, and the joint 14 is arranged in the stand, so that the joint is prevented from being exposed on the outer side of the vertical plate 7;
the joint 14 can be a quick-connect type joint or a threaded joint, and is convenient to install and use.
Through the design of this application, can realize giving the unity of two functions of sprocket location and oiling, not only can guarantee the convenience of installation through the function that novel round pin axle positioning accuracy can finely tune, can also avoid exposing in the outside such as rubber tube and joint through the sprocket oiling in the frame is inside to improve the reliability that the sprocket used.
Claims (7)
1. The utility model provides a scraper conveyor chain wheel subassembly is with novel round pin axle for coal mine which characterized in that: the positioning device comprises an upper positioning pin, a movable positioning pin and a lower positioning pin, wherein an oil guide hole is formed in the upper positioning pin, connecting holes matched with the upper positioning pin are formed in the movable positioning pin and the lower positioning pin, a spring is sleeved at one end of the upper positioning pin, and the other end of the upper positioning pin penetrates through the movable positioning pin through the connecting holes and extends into the lower positioning pin;
and the upper end and the lower end of the movable positioning pin are respectively provided with a first sealing ring matched with the upper positioning pin and the lower positioning pin, and the side parts of the movable positioning pin and the lower positioning pin are respectively provided with a second sealing ring.
2. The novel pin for the chain wheel assembly of the scraper conveyor for coal mines as claimed in claim 1, wherein: the end part of the upper positioning pin is provided with a clamping groove matched with the spring.
3. The novel pin for the chain wheel assembly of the scraper conveyor for coal mines as claimed in claim 1, wherein: the end part of the movable positioning pin is provided with a first groove matched with the first sealing ring, and the side part of the movable positioning pin and the side part of the lower positioning pin are provided with a second groove matched with the second sealing ring.
4. The novel pin for the chain wheel assembly of the scraper conveyor for coal mines as set forth in claim 1 or 3, wherein: the first sealing ring and the second sealing ring are both O-shaped rings.
5. The novel pin for the chain wheel assembly of the scraper conveyor for coal mines as claimed in claim 1, wherein: the upper locating pin is sequentially provided with a supporting part matched with the spring, a middle through part matched with the movable locating pin and a lower connecting part matched with the lower locating pin, the diameter of the supporting part is larger than that of the middle through part, the diameter of the middle through part is larger than that of the lower connecting part, and the inner diameter of a connecting hole in the lower locating pin is smaller than that of the connecting hole in the movable locating pin.
6. The novel pin shaft for the chain wheel assembly of the scraper conveyor for the coal mine as claimed in claim 1, wherein: the inner diameter of the connecting hole on the movable positioning pin is larger than the diameter of the through part, and the outer diameter of the movable positioning pin is larger than the outer diameter of the upper positioning pin.
7. The novel pin for the chain wheel assembly of the scraper conveyor for coal mines as claimed in claim 1, wherein: and 2-3 sealing rings are arranged on the side part of the movable positioning pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123312453.2U CN217147390U (en) | 2021-12-27 | 2021-12-27 | Novel pin shaft for chain wheel assembly of scraper conveyor for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123312453.2U CN217147390U (en) | 2021-12-27 | 2021-12-27 | Novel pin shaft for chain wheel assembly of scraper conveyor for coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217147390U true CN217147390U (en) | 2022-08-09 |
Family
ID=82687694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123312453.2U Active CN217147390U (en) | 2021-12-27 | 2021-12-27 | Novel pin shaft for chain wheel assembly of scraper conveyor for coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217147390U (en) |
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2021
- 2021-12-27 CN CN202123312453.2U patent/CN217147390U/en active Active
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