CN110273998B

CN110273998B - Steel-aluminum combined chain wheel

Info

Publication number: CN110273998B
Application number: CN201910566423.2A
Authority: CN
Inventors: 不公告发明人
Original assignee: Lanxi Yasheng Machinery Co ltd
Current assignee: Lanxi Yasheng Machinery Co.,Ltd.
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2020-09-25
Anticipated expiration: 2039-06-26
Also published as: CN110273998A

Abstract

The invention relates to the field of chain wheels, in particular to a steel-aluminum combined chain wheel which comprises two guide structures, a positioning sleeve, a chain wheel structure, a connecting shaft and a limiting structure; the bilateral symmetry of sprocket structure is equipped with two guide structure, rotate between guide structure and the position sleeve and be connected, the use of guide structure cooperation sprocket structure is convenient for lead the chain, when chain and sprocket structure off tracking, guide structure rotates and carries on spacingly to the chain, make the chain reset simultaneously, and then driven stability between chain and the sprocket has been improved greatly, utilize the sweeps between high aerial wind-force clean sprocket structure and the chain simultaneously, be equipped with the limit structure who is used for spacing and location to the sprocket structure on the connecting axle simultaneously, limit structure's use has improved the installation of sprocket and has dismantled efficiency, be convenient for simultaneously fix a position the sprocket, use liquid nitrogen equipment in the high altitude has been avoided, and then installation quality has been improved greatly, position sleeve and guide structure block, the guide structure slippage has been avoided.

Description

Steel-aluminum combined chain wheel

Technical Field

The invention relates to the field of chain wheels, in particular to a steel-aluminum combined chain wheel.

Background

The chain wheel is a wheel with embedded tooth type buckle chain teeth and is used for being meshed with blocks with accurate pitches on a chain link ring or a cable rope, the chain wheel is widely applied to mechanical transmission in the industries of chemical engineering, textile machinery, food processing, instruments, petroleum and the like, and the chain wheel is the embodiment of power transmission and driving in the industry and has the characteristics of good required strength, wear resistance, low transmission deformation and the like; the stability of the sprocket also determines the efficiency of operation of the apparatus and its quality.

However, the traditional steel-aluminum combined chain wheel has no guiding effect between the gear and the chain, when the chain wheel is applied to a high-altitude tower crane, dust in wind is large, the chain and the gear are easy to slip due to vibration of the chain, pin connection is adopted between the gear and the bearing, the pin is worn and torn in the installation process, the problem of disassembly is easy to cause, and the disassembly is not convenient and flexible enough due to high temperature, and the liquid nitrogen is used on the tower crane conveniently and quickly.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a steel-aluminum combined sprocket, two guide structures are symmetrically arranged on two sides of a sprocket structure, the guide structures are rotatably connected with a positioning sleeve, the guide structures are matched with the sprocket structure for use so as to guide a chain, when the chain and the sprocket structure are deviated, the guide structures rotate to limit the chain and reset the chain, so that the transmission stability between the chain and the sprocket is greatly improved, scrap between the sprocket structure and the chain is cleaned by utilizing wind power in the high air, meanwhile, a limit structure for limiting and positioning the sprocket structure is arranged on a connecting shaft, the use of the limit structure improves the mounting and dismounting efficiency of the sprocket, the sprocket is convenient to position, the use of liquid nitrogen equipment in the high air is avoided, the mounting quality is greatly improved, and meanwhile, the limit structure limits the positioning sleeve, and then make between position sleeve and the connecting axle synchronous, after the messenger dismantles the position sleeve, the position sleeve and guide structure block have avoided the guide structure slippage, and guide structure cools down limit structure simultaneously, and then makes the connecting axle convenient to detach more.

The technical scheme adopted by the invention for solving the technical problems is as follows: a steel-aluminum combined chain wheel comprises a guide structure, a positioning sleeve, a chain wheel structure, a connecting shaft and a limiting structure; the two ends of the chain wheel structure for matching chain transmission are symmetrically fixed with two positioning sleeves of annular structures, the positioning sleeves are provided with the guide structures, and the guide structures are detachably connected with the chain wheel structure; the guide structure is rotationally connected with the positioning sleeve on the chain wheel structure; the connecting shaft penetrates through the inside of the chain wheel structure, a limiting structure used for limiting the chain wheel structure is arranged inside the connecting shaft, and the limiting structure is connected to the positioning sleeve.

Specifically, the sprocket structure includes driving disc and a plurality of drive tooth, the inside of driving disc is equipped with the connecting axle, and is a plurality of drive tooth circumference array is fixed in on the outer circumference of driving disc, the drive tooth deviates from the tip of driving disc is four prismatic table structures.

Specifically, guide structure includes gathering chute, flabellum, leading wheel, prevents stifled pole, steel ball and louvre, two the leading wheel symmetry is located the driving disc, the leading wheel with rotate between the position sleeve and be connected, the inside circumference array of position sleeve is equipped with a plurality of the steel ball, roll connection between steel ball and the leading wheel, the lateral wall of leading wheel is equipped with the flabellum, the edge of leading wheel is equipped with the loop configuration gather the chute, and is a plurality of louvre circumference array run through in the leading wheel just extends to drive the tooth, adjacent two is located to the louvre between the drive tooth, the inside of leading wheel is equipped with prevent stifled pole, it is right to be used for the louvre seals prevent stifled pole with rotate between the leading wheel and connect, prevent stifled pole is the round platform shape structure.

Specifically, the driving disc is provided with a plurality of guide rings with semi-cylindrical annular structures, and the guide wheels are rotatably connected with the guide rings.

Specifically, the limiting structure comprises a limiting sleeve, a limiting block, a driving rod, a driving block, a transmission sleeve and a limiting rod, the limiting sleeve is arranged inside the connecting shaft, the cross-shaped limiting block is connected with the limiting sleeve in a sliding way, the driving rod is connected with the limiting block and the limiting sleeve in a penetrating way, the driving rod is rotationally connected with the limiting sleeve, the driving rod is in threaded connection with the limiting block, the limiting block is provided with the driving block with a rectangular structure, the driving block is clamped with the transmission block, the end part of the transmission block is trapezoidal, the transmission block is connected with the positioning sleeve in a sliding way, be equipped with on the transmission piece the transmission cover, be equipped with on the transmission cover the gag lever post, the gag lever post with sliding connection between the position sleeve, the gag lever post with prevent stifled pole conflict.

The invention has the beneficial effects that:

(1) according to the steel-aluminum combined sprocket, two guide structures are symmetrically arranged on two sides of the sprocket structure, the guide structures are rotatably connected with the positioning sleeves, the guide structures are matched with the sprocket structure to guide a chain, when the chain and the sprocket structure are deviated, the guide structures rotate to limit the chain and reset the chain, so that the transmission stability between the chain and the sprocket is greatly improved, and meanwhile, scrap between the sprocket structure and the chain is cleaned by using high-altitude wind power.

(2) According to the steel-aluminum combined sprocket, the limiting structure for limiting and positioning the sprocket structure is arranged on the connecting shaft, the limiting structure is used for improving the mounting and dismounting efficiency of the sprocket, the sprocket is convenient to position, liquid nitrogen equipment is prevented from being used in high altitude, the mounting quality is greatly improved, the limiting structure limits the positioning sleeve, the positioning sleeve and the connecting shaft are synchronous, after the positioning sleeve is dismounted, the positioning sleeve is clamped with the guide structure, the guide structure is prevented from slipping, the guide structure simultaneously cools the limiting structure, and the connecting shaft is further convenient to dismount.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of the overall structure of a steel-aluminum composite sprocket according to a preferred embodiment of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic view of the connection of the connecting shaft to the sprocket arrangement shown in FIG. 1;

FIG. 4 is a schematic view of the connection structure of the driving block and the transmission block shown in FIG. 3;

FIG. 5 is an enlarged view of the portion B shown in FIG. 3;

fig. 6 is an enlarged schematic view of the portion C shown in fig. 3.

In the figure: 1. guide structure, 11, gather the chute, 12, flabellum, 13, leading wheel, 14, prevent stifled pole, 15, steel ball, 16, louvre, 2, position sleeve, 3, sprocket structure, 31, driving disc, 32, drive tooth, 4, connecting axle, 5, limit structure, 51, stop collar, 52, stopper, 53, actuating lever, 54, drive block, 55, transmission block, 56, transmission sleeve, 57, gag lever post, 6, guide ring.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-6, the steel-aluminum combined sprocket of the present invention comprises a guide structure 1, a positioning sleeve 2, a sprocket structure 3, a connecting shaft 4 and a limiting structure 5; the two ends of the chain wheel structure 3 for matching chain transmission are symmetrically fixed with two positioning sleeves 2 with annular structures, the positioning sleeves 2 are provided with the guide structures 1, and the guide structures 1 are detachably connected with the chain wheel structure 3; the guide structure 1 is rotationally connected with the positioning sleeve 2 on the chain wheel structure 3; the connecting shaft 4 penetrates through the inside of the chain wheel structure 3, a limiting structure 6 used for limiting the chain wheel structure 3 is arranged inside the connecting shaft 4, and the limiting structure 6 is connected to the positioning sleeve 2.

Specifically, the sprocket structure 3 includes a transmission disc 31 and a plurality of driving teeth 32, the connecting shaft 4 is disposed inside the transmission disc 31, the plurality of driving teeth 32 are circumferentially arrayed and fixed on the outer circumference of the transmission disc 31, and the end of the driving teeth 32 away from the transmission disc 31 is of a quadrangular frustum structure; the end part of the driving tooth 32 deviating from the transmission disc 31 is of a quadrangular frustum pyramid structure, so that the driving tooth 32 has a guiding effect on the chain, and the chain is further convenient and quick to install between the driving teeth 32.

Specifically, the guiding structure comprises a flow gathering groove 11, fan blades 12, guide wheels 13, anti-blocking rods 14, steel balls 15 and heat dissipation holes 16, wherein the two guide wheels 13 are symmetrically arranged on the transmission disc 31, the guide wheels 13 are rotatably connected with the positioning sleeve 2, the inner circumferential array of the positioning sleeve 2 is provided with a plurality of steel balls 15, the steel balls 15 are rotatably connected with the guide wheels 13, the side wall of the guide wheel 13 is provided with the fan blades 12, the edge of the guide wheel 13 is provided with the flow gathering groove 11 of an annular structure, the circumferential array of the plurality of heat dissipation holes 16 penetrates through the guide wheels 13 and extends to the driving teeth 32, the heat dissipation holes 16 are arranged between two adjacent driving teeth 32, the anti-blocking rods 14 are arranged inside the guide wheels 13 and are used for rotatably connecting the anti-blocking rods 14 for sealing the heat dissipation holes 16 with the guide wheels 13, the anti-blocking rod 14 is of a circular truncated cone-shaped structure; when the connecting shaft 4 rotates, the connecting shaft 4 drives the transmission disc 31 and the positioning sleeve 2 to rotate, when the anti-blocking rod 14 at the top end of the guide wheel 13 is abutted against the guide wheel 13 under the action of gravity, the heat dissipation hole 16 at the top end of the guide wheel 13 does not seal the anti-blocking rod 14 at the top end of the guide wheel 13 and the positioning sleeve 2 are clamped, the guide wheel 13 and the transmission disc 31 synchronously rotate, air enters the heat dissipation hole 16 from the flow gathering groove 11, waste chips on the driving tooth 32 are discharged, the anti-blocking rod 14 at the bottom end of the guide wheel 13 slides with the guide wheel 13 under the action of gravity and centrifugal force to block the heat dissipation hole 16, the heat dissipation hole 16 is cleaned, foreign matters are effectively prevented from blocking the heat dissipation hole 16, when the connecting shaft 4 rotates at high speed, under the action of centrifugal force, and then leading wheel 13 with the rotation of position sleeve 2, and then the effectual leading wheel 13 high-speed rotation damage flabellum 12, setting up of flabellum 12 makes leading wheel 13's radiating effect is better, when the chain with drive tooth 32 drops, leading wheel 13 promotes the chain and resets, leading wheel 13 rotates, simultaneously the cross-section of leading wheel 13 deviates from the one end of position sleeve 2 is trapezoidal, leading wheel 13 promotes the chain and resets, simultaneously leading wheel 13 with roll connection between steel ball 15, and then improved the chain greatly with the steadiness of connecting between the drive tooth 32, and then improved the chain greatly with the driven stability ability of drive tooth 32.

Specifically, the transmission disc 31 is provided with a plurality of guide rings 6 with semi-cylindrical annular structures, and the guide wheels 13 are rotatably connected with the guide rings 6; when the chain with drive tooth 32 drops, leading wheel 13 promotes the chain and resets, leading wheel 13 rotates, leading wheel 13 promotes the chain and resets, simultaneously leading wheel 13 with roll connection between the steel ball 15, and then improved the chain greatly with the steadiness of being connected between the drive tooth 32, and then improved the chain greatly with the driven stability ability of drive tooth 32.

Specifically, the limiting structure 5 includes a limiting sleeve 51, a limiting block 52, a driving rod 53, a driving block 54, a driving block 55, a driving sleeve 56 and a limiting rod 57, the limiting sleeve 51 is disposed inside the connecting shaft 4, the limiting block 52 and the limiting sleeve 51 are slidably connected in a cross shape, the driving rod 53 is penetratingly connected to the limiting block 52 and the limiting sleeve 51, the driving rod 53 is rotatably connected to the limiting sleeve 51, the driving rod 53 is threadedly connected to the limiting block 52, the limiting block 52 is provided with the driving block 54 having a rectangular structure, the driving block 54 is fastened to the driving block 55, the end of the driving block 55 is trapezoidal, the driving block 55 is slidably connected to the positioning sleeve 2, the driving sleeve 56 is disposed on the driving block 55, and the limiting rod 57 is disposed on the driving sleeve 56, the limiting rod 57 is in sliding connection with the positioning sleeve 2, and the limiting rod 57 is abutted against the anti-blocking rod 14; firstly, a limit groove with the same size and different depth as the limit block 52 is arranged on a rotating shaft of a machine table, the connecting shaft 4 is clamped with the rotating shaft, the driving block 54 is clamped with the driving block 55, the driving rod 53 is screwed, the driving rod 53 is rotatably connected with the limit sleeve 51, the driving rod 53 is in threaded connection with the limit block 52, and further the limit block 52 is driven to slide in the limit sleeve 51, so that the limit block 52 is clamped with the rotating shaft, the connecting area of the connecting shaft 4 and the rotating shaft is increased, the mounting stability of the connecting shaft 4 is greatly improved, meanwhile, the connecting shaft 4 is more conveniently and quickly dismounted, the connecting shaft 4 is prevented from being dismounted by using liquid nitrogen in high altitude, the mounting quality of the connecting shaft 4 is improved, and after the limit block 52 is dismounted, the driving block 54 is not collided with the driving block 55, make the installation and the dismantlement of position sleeve 2 are convenient and fast more, gag lever post 57 with leading wheel 13 block, and then the effectual leading wheel 13 with the slippage of position circle 2 has been avoided steel ball 15 drops, makes leading wheel 13 and the connection between the driving disc 31 is more firm.

When the chain is used, when the chain falls off from the driving teeth 32, the guide wheel 13 pushes the chain to reset, the guide wheel 13 rotates, the guide wheel 13 pushes the chain to reset, and meanwhile, the guide wheel 13 is in rolling connection with the steel balls 15, so that the stability of connection between the chain and the driving teeth 32 is greatly improved, and the stability of transmission between the chain and the driving teeth 32 is greatly improved; firstly, a limit groove with the same size and different depth as the limit block 52 is arranged on a rotating shaft of the machine table, the connecting shaft 4 is clamped with the rotating shaft, the driving block 54 is clamped with the transmission block 55, the driving rod 53 is screwed, after the rotation of 180 degrees, the driving rod 53 is rotatably connected with the limit sleeve 51, the driving rod 53 is in threaded connection with the limit block 52, and further the limit block 52 is driven to slide in the limit sleeve 51, so that the limit block 52 is clamped with the rotating shaft, the connecting area of the connecting shaft 4 and the rotating shaft is increased, further the mounting stability of the connecting shaft 4 is greatly improved, meanwhile, the connecting shaft 4 is more conveniently and rapidly dismounted, the connecting shaft 4 is prevented from being dismounted by using liquid nitrogen in high altitude, the mounting quality of the connecting shaft 4 is improved, after the limit block 52 is dismounted, the driving block 54 is not in conflict with the transmission block 55, the mounting and dismounting of the locating sleeve, thereby effectively avoiding the slipping of the guide wheel 13 and the positioning ring 2 and the falling of the steel balls 15, and ensuring that the connection between the guide wheel 13 and the transmission disc 31 thereof is more stable; after detaching the retainer ring 2, press the driving block 55, make the gag lever post 57 on the driving block 55 conflict and prevent the stifled pole 14, prevent that the stifled pole 14 will blow into the dust sweeps of the inside of gathering chute 11 in the strong wind and push out, then clear up the gathering chute one by one, when connecting axle 4 rotates, connecting axle 4 drives driving disc 31 and position sleeve 2 and rotates, prevent that the stifled pole 14 that is in the leading wheel 13 top conflicts with leading wheel 13 under the action of gravity, it is when making the anti-blocking pole 14 that the louvre 16 at leading wheel 13 top do not seal the leading wheel 13 top block with position sleeve 2, make leading wheel 13 rotate with driving disc 31 synchronization, the air gets into the louvre 16 from gathering chute 11, make the sweeps discharge of the louvre on the driving tooth 32, prevent that the stifled pole 14 of the bottom of leading wheel 13 slides with leading wheel 13 under the effect of gravity and centrifugal force, carry out the shutoff to 16, high under the circumstances of the big or small difference of air, cooperate according to the size of wind the weight of preventing pole 14 self and control under the effect Control of 14 intervals of stifled pole the break-make of louvre 16, clearance louvre 16, effectually prevent that the foreign matter from blockking up louvre 16, when connecting axle 4 rotates at a high speed, under the effect of centrifugal force, and then leading wheel 13 and position sleeve 2 rotate, and then effectually avoid leading wheel 13 to rotate at a high speed and damage flabellum 12, the radiating effect of leading wheel 13 is better in setting up of flabellum 12 messenger, when the chain drops with drive tooth 32, leading wheel 13 promotes the chain and resets, leading wheel 13 rotates, and the one end that the cross-section of leading wheel 13 deviates from position sleeve 2 is trapezoidal simultaneously, leading wheel 13 promotes the chain and resets, roll connection between leading wheel 13 and the steel ball 15 simultaneously, and then the steadiness of being connected between chain and the drive tooth 32 has been improved greatly, and then improved the driven stability ability of chain and drive tooth 32 greatly.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a steel aluminium combination sprocket which characterized in that: comprises a guide structure (1), a positioning sleeve (2), a chain wheel structure (3), a connecting shaft (4) and a limiting structure (5); the two ends of the chain wheel structure (3) used for being matched with chain transmission are symmetrically fixed with the positioning sleeves (2) with two annular structures, the guide structure (1) is arranged on the positioning sleeves (2), and the guide structure (1) is detachably connected with the chain wheel structure (3); the guide structure (1) is rotationally connected with the positioning sleeve (2) on the chain wheel structure (3); the connecting shaft (4) penetrates through the inside of the chain wheel structure (3), a limiting structure (6) used for limiting the chain wheel structure (3) is arranged inside the connecting shaft (4), and the limiting structure (6) is connected to the positioning sleeve (2);

the chain wheel structure (3) comprises a transmission disc (31) and a plurality of driving teeth (32), the connecting shaft (4) is arranged in the transmission disc (31), the plurality of driving teeth (32) are circumferentially fixed on the outer circumference of the transmission disc (31) in an array mode, and the end, away from the transmission disc (31), of each driving tooth (32) is of a quadrangular frustum pyramid structure;

the guide structure comprises a gathering groove (11), fan blades (12), guide wheels (13), anti-blocking rods (14), steel balls (15) and heat dissipation holes (16), wherein the two guide wheels (13) are symmetrically arranged on the transmission disc (31), the guide wheels (13) are rotatably connected with the positioning sleeve (2), the inner circumference array of the positioning sleeve (2) is provided with a plurality of steel balls (15), the steel balls (15) are in rolling connection with the guide wheels (13), the side walls of the guide wheels (13) are provided with the fan blades (12), the edge of each guide wheel (13) is provided with the gathering groove (11) of an annular structure, the plurality of heat dissipation holes (16) are circumferentially arranged between the guide wheels (13) and extend to the driving teeth (32), the heat dissipation holes (16) are arranged between the two adjacent driving teeth (32), and the anti-blocking rods (14) are arranged inside the guide wheels (13), the anti-blocking rod (14) is used for sealing the heat dissipation hole (16) and is rotatably connected with the guide wheel (13), and the anti-blocking rod (14) is of a round table-shaped structure.

2. The steel-aluminum composite sprocket as set forth in claim 1, wherein: the transmission disc (31) is provided with a plurality of guide rings (6) with semi-cylindrical annular structures, and the guide wheels (13) are rotatably connected with the guide rings (6).

3. The steel-aluminum composite sprocket as set forth in claim 1, wherein: the limiting structure (5) comprises a limiting sleeve (51), a limiting block (52), a driving rod (53), a driving block (54), a driving block (55), a driving sleeve (56) and a limiting rod (57), the limiting sleeve (51) is arranged inside the connecting shaft (4), the limiting block (52) is in a cross shape, the limiting block (51) is in sliding connection with the limiting sleeve (51), the driving rod (53) is connected with the limiting block (52) and the limiting sleeve (51) in a penetrating manner, the driving rod (53) is in rotating connection with the limiting sleeve (51), the driving rod (53) is in threaded connection with the limiting block (52), the limiting block (52) is provided with the driving block (54) in a rectangular structure, the driving block (54) is clamped with the driving block (55), the end part of the driving block (55) is in a trapezoidal shape, and the driving block (55) is in sliding connection with the positioning sleeve (2), be equipped with on transmission piece (55) transmission cover (56), be equipped with on transmission cover (56) gag lever post (57), gag lever post (57) with sliding connection between position sleeve (2), gag lever post (57) with prevent that stifled pole (14) contradict.