CN206798454U - Anti-drop device with chain protection mechanism - Google Patents

Abstract

This application discloses a kind of anti-drop device with chain protection mechanism,Including the column and coaster body being oppositely arranged,Coaster body is arranged between the column being oppositely arranged,Coaster body is slidably connected with column,Coaster is fixed with protection component,Protection component is fixedly connected by attachment means with one end of the first chain,The other end of first chain is fixedly connected with column,First chain and sprocket engagement,Sprocket wheel connects with chain protection mechanism axle,Chain protection mechanism is fixedly connected by hydraulic cylinder with column,Chain protection mechanism is provided with the first protection face,First protection face is arranged on the outside of the engaging piece of sprocket wheel and the first chain,Gap between first protection face and sprocket wheel is less than the channel height of the first chain,Improve the reliability of coaster,Slidably reciprocated so as to band fly block body between column,It can solve the problem that complicated using multiple chain sprocket structures,High processing costs,Installation requirement is higher,Installation difficulty,Chain is easily separated from the problem of sprocket wheel.

Description

Anti-drop device with chain protection mechanism

Technical field

The disclosure relates generally to medical device field, and in particular to coaster field, more particularly to it is a kind of with chain protection The anti-drop device of mechanism.

Background technology

The mixed-hopper and transmission case of hopper mixer are typically all to be driven by coaster in transmission, will by lifting chain Bunker lift, to keep bunker lift steady, generally using two lifting chains, but many times due to the thing in mixed-hopper Expect heavier-weight, lifting chain is easy to break, and when a lifting chain disconnects, hopper is unable to held stationary, and in two lifting chains When simultaneously switching off, hopper is just easily fallen off, it is easy to and spill the material in hopper, even trigger security incident when serious, And due to using Chain conveyer, occurring that chain is more loose after long-term use, the material in hopper so also occur when in use The phenomenon spilt.

At present, coaster needs to arrange in pairs or groups two sprocket wheels by two lifting chains to drive, and structure is more complicated, processing cost ratio It is higher, and when mounted, it is also contemplated that the axiality problem of sprocket wheel, installation requirement is higher, and installation is relatively difficult, and chain is easy Depart from sprocket wheel, cause failure.

Utility model content

In view of drawbacks described above of the prior art or deficiency, it is expected that offer one kind is simple in construction, processing cost is low, easy peace Dress, sprocket wheel and chain interoperation closely carry the anti-drop device of chain protection mechanism.

In a first aspect, the anti-drop device of the present utility model with chain protection mechanism, including the column being oppositely arranged and Coaster body, coaster body are arranged between the column being oppositely arranged, and coaster body is slidably connected with column, and coaster is fixed with guarantor Protecting assembly, protection component are fixedly connected by attachment means with one end of the first chain, and the other end and the column of the first chain are consolidated Fixed connection, the first chain and sprocket engagement, sprocket wheel connect with chain protection mechanism axle, and chain protection mechanism passes through hydraulic cylinder and column It is fixedly connected, chain protection mechanism is provided with the first protection face, and the first protection face is arranged on the engaging piece of sprocket wheel and the first chain Outside, the first protection face and the direct gap of sprocket wheel be less than the channel height of the first chain, and chain protection mechanism is provided with the One protection face, the first protection face is arranged on the outside of the engaging piece of sprocket wheel and the first chain, between the first protection face and sprocket wheel Gap is less than the channel height of the first chain.

According to the embodiment of the present application provide technical scheme, by attachment means by the first chain respectively with multiple protection groups Part connects, the first chain and sprocket engagement, multiple protection components can be driven using single sprocket wheel, be protected by chain Shield mechanism can prevent that in coaster normal work the first chain departs from sprocket wheel, causes danger, improves the reliability of coaster, Slidably reciprocated so as to band fly block body between column, can solve the problem that, processing cost complicated using multiple chain sprocket structures The problem of height, installation requirement is higher, installation difficulty, and chain is easily separated from sprocket wheel.

Brief description of the drawings

By reading the detailed description made to non-limiting example made with reference to the following drawings, the application's is other Feature, objects and advantages will become more apparent upon：

Fig. 1 is the structural representation of the anti-drop device with chain protection mechanism of embodiment of the present utility model；

Fig. 2 is the structural representation of the anti-drop device with chain protection mechanism of embodiment of the present utility model；

Fig. 3 is that the sprocket wheel of the anti-drop device with chain protection mechanism of embodiment of the present utility model is matched somebody with somebody with the first chain The structural representation of conjunction；

Fig. 4 is that the sprocket wheel of the anti-drop device with chain protection mechanism of embodiment of the present utility model is matched somebody with somebody with the first chain The structural representation of conjunction.

Reference：

10- columns, 11- baffle plates, 12- chutes, the rollers of 13- first, the rollers of 14- second, 15- substrates, 16- through holes, 17- One bolt, 18- adjustable plates, the bolts of 19- second, 20- coaster bodies, 21- blocks, 22- extension springs, 30- protection blocks, 31- first stop Stopper, the stopper sections of 32- second, 33- connecting portions, 40- attachment means, the connection bumps of 41- first, 42- connecting plates, 421- strengthen Portion, the connection bumps of 43- second, the chains of 44- second, the chains of 51- first, 52- sprocket wheels, 53- hydraulic cylinders, 54- line wheels, 55- wire casings, 60- chain protection mechanisms, the protection faces of 61- first, the protection faces of 62- second, the fixed plates of 71- first, 72- back-up rings, 73- springs, 74- Electric wire.

Embodiment

The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched The specific embodiment stated is used only for explaining relevant utility model, rather than the restriction to the utility model.Further need exist for illustrating , for the ease of description, the part related to utility model is illustrate only in accompanying drawing.

It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase Mutually combination.Describe the application in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

Fig. 1 to 4, the anti-drop device of the present utility model with chain protection mechanism are refer to, including is oppositely arranged vertical Post 10 and coaster body 20, coaster body 20 are arranged between the column 10 being oppositely arranged, and coaster body 20 slides with column 10 Connection, coaster body 20 are fixed with protection component, and protection component is fixed by one end of the chain 51 of attachment means 40 and first to be connected Connect, the other end of the first chain 51 is fixedly connected with column 10, and the first chain 51 engages with sprocket wheel 52, and sprocket wheel 52 is protected with chain The axle of mechanism 60 is connect, and chain protection mechanism 60 is fixedly connected by hydraulic cylinder 53 with column 10, and chain protection mechanism 60 is provided with One protection face 61, the first protection face 61 are arranged on the outside of the engaging piece of the chain 51 of sprocket wheel 52 and first, the first protection face 61 with Gap between sprocket wheel 52 is less than the channel height of the first chain 51.

In embodiment of the present utility model, column is traditionally arranged to be two, coaster body upper and lower cunning between column Dynamic, one end of the first chain is fixedly connected with attachment means, and attachment means are by protecting component to connect coaster body, attachment means Side can connect multiple protection components, the opposite side of attachment means can connect the first chain, can by attachment means Realize that a sprocket wheel and a first chain-driving coaster carry out upper and lower slip, simplify structure, saved manufacturing cost, pacify The axiality of multiple sprocket wheels need not be corrected during dress, reduces installation difficulty, and set first chain effectively to keep away Exempt from the first chain and protect the baffle plate movement interference of component, improve security, the other end of the first chain is fixed with column to be connected Connect, specifically, being fixed with the first fixed plate between column, the first chain is fixedly connected with the first fixed plate, the pin of the first chain Axle and the first fixed plate are socketed, meanwhile, protection component can prevent the first chain breakage or it is loose when, take off under coaster, carry The high safety in operation of coaster, sprocket wheel are connect with chain protection mechanism axle, and chain protection mechanism is fixed by hydraulic cylinder and column Connection, can be prevented in coaster normal work by chain protection mechanism, and the first chain departs from sprocket wheel, causes danger, be improved The reliability of coaster, chain protection mechanism are arranged to the semiclosed cavity of both-side opening, and sprocket wheel rotates in semiclosed cavity, First chain passes through the openend of semiclosed cavity, that is, sprocket wheel to enter semiclosed cavity inside from openend, or with half Enter inside closed cavity outside cavity, the gap of sprocket wheel and the first protection face is less than the channel height of the first chain, Neng Goufang Only in coaster normal work, the first chain departs from sprocket wheel, causes danger, improves the reliability of coaster.

Further, chain protection mechanism 60 sets the second protection face 62, the second protection face 62 and the side phase of sprocket wheel 52 To setting, the distance of the second protection face 62 and the side of sprocket wheel 52 is less than the width of the first chain 51.

In embodiment of the present utility model, the side of the second protection face and sprocket wheel is oppositely arranged, the second protection face and chain The distance of wheel side is less than the width of the first chain, and the second protection face is arranged on the both sides of sprocket wheel, prevents the first chain accessary sprocket wheel Both sides depart from sprocket wheel, cause danger, improve the reliability of coaster.

Further, the first fixed plate 71 is fixed between column 10, the first fixed plate 71 and the first chain 51 are adjustable Distance is fixedly connected.

, can be by adjusting the first fixed plate when carrying out Assembling to coaster in embodiment of the present utility model It is convenient that coaster is tested and adjusted to adjust the elemental height of coaster with the distance of the first chain.

Further, the first chain 51 is fixedly connected with bolt, and bolt passes through the first fixed plate 71, and bolt is at least bolted with Two nuts, nut are arranged on the both sides of the first fixed plate 71.

In embodiment of the present utility model, the position that is screwed onto by the first fixed plate both sides nut on bolt, to adjust The distance between whole first fixed plate and the first chain, it is easy to adjust, quickly, it is easy to field adjustable, improves installation and debugging Efficiency.

Further, including line wheel 54, line wheel 54 and sprocket wheel 51 are coaxially connected, and line wheel 54 sets wire casing 55, and wire casing 55 twines Around live wire 74, electric wire is fixed with back-up ring 72 through the side of the first fixed plate 71, is set between the fixed plate 71 of back-up ring 72 and first Spring 73 is equipped with, spring 73 is socketed on electric wire 74.

In embodiment of the present utility model, need to arrange electrical equipment, it is necessary to carry out in coaster in mixed-hopper Cabling, line wheel can allow cable to follow coaster to move up and down, and different wire lengths is provided for different height, avoids cable Long or too short generation problem, causes equipment not run well, meanwhile, by the cooperation of spring and back-up ring, transported in coaster During dynamic so that the electric wire above the first fixed plate is constantly in the state of tensioning, avoids electric wire from departing from line wheel, causes It is dangerous.

Further, attachment means 40 are provided with the first connection bump 41, the connection bump 43 of connecting plate 42 and second, and first The connection bump 43 of connection bump 41 and second is arranged on the relative both sides of connecting plate 42, the first connection bump 41 and the first chain 51 It is fixedly connected, the second connection bump 43 is fixedly connected by the second chain 44 with protection component.

In embodiment of the present utility model, it is convex that attachment means are provided with the first connection bump, connecting plate and the second connection Rise, the first connection bump and the second connection bump are arranged on the relative both sides of connecting plate, it is possible to increase protection component and the first chain Bonding strength between bar, the first connection bump are fixedly connected with the first chain, and specifically, it is logical that the first connection bump is provided with circle Hole, the bearing pin of the first chain realizes being fixedly connected for the first chain and connecting plate through round tube hole, in the first chain or connection When plate breaks down, the first chain can be separated rapidly with connecting plate, carry out the replacement of part, the second connection bump passes through the Two chains are fixedly connected with protection component, and protection component and connecting plate are connected using the second chain, convenient when the first chain breakage When protection component acted, second it is raised round tube hole is set, the bearing pin of the second chain through round tube hole realize the second chain and Second projection is fixedly connected, and when the second chain or connecting plate break down, can be divided the second chain rapidly with connecting plate Open, carry out the replacement of part.

Further, attachment means 40 are at least provided with two the second connection bumps 43, and protection component is at least provided with two guarantors Protecting block 30, a protection block 30 are fixedly connected by second chain 44 with second connection bump 43.

In embodiment of the present utility model, attachment means are at least provided with two the second connection bumps, and protection component is at least Set two protection blocks, one protection block be fixedly connected by second chain with second connection bump, connecting plate and Multiple protection boards are fixedly connected so that connecting plate can uniformly bear the active force of coaster, specifically, the first connection bump and second Connection bump formed geometric center overlapped with the center of gravity of connecting plate, ensure that connecting plate can uniform stressed, improve coaster Reliability, extend service life.

Further, protect block 30 that first stopper section 31, the second stopper section 32 and connecting portion 33 are set, protection block 30 is socketed On bearing pin, bearing pin is fixedly connected with coaster body 20, and connecting portion 33 is fixedly connected with the second chain 44, and coaster body 20 is fixed There is block 21, block 21 is fixed on the motion path of the second stopper section 32, and coaster body 20 has been removably secured extension spring 22 One end, the other end of extension spring 22 is removably secured with protection block 30 and be connected, extension spring 22 and the fixed connection point for protecting block 30 It is arranged on the both sides of bearing pin with connecting portion, baffle plate 11 is fixed with along the glide direction compartment of terrain of coaster body 20 between column 10, keeps off Plate 11 is arranged on the motion path of protection block 30.

In embodiment of the present utility model, protection block sets the first stopper section, the second stopper section and connecting portion, protects block It is socketed on bearing pin, protection block can be rotated around bearing pin, and bearing pin is fixedly connected with coaster body, and bearing pin is horizontal fixed, connection Portion is fixedly connected with the second chain, and in normal operation, the second chain is tight, and connecting portion is pulled into vertical side by the second chain To now extension spring is also tight, and the second stopper section departs from stop-surface, and the first stopper section does not interfere with each other with baffle plate, and coaster body is consolidated Surely there is block, block is fixed on the motion path of the second stopper section, and coaster body is removably secured one end of extension spring, is drawn The other end of spring is removably secured with protection block and is connected, and extension spring and the fixed connection point and connecting portion of the second protection block are arranged on The both sides of bearing pin, when the first chain is taken exercise or be loose, under the pulling force effect of extension spring, protection block rotates around bearing pin, makes Stop-surface is close in the second stopper section, while during being taken off under coaster, along coaster body glide direction interval between column Ground is fixed with baffle plate, and for baffle plate setting on the motion path of the first stopper section, baffle plate blocks the first stopper section, prevents coaster from continuing It is lower de-, the safety of operating personnel is ensure that, avoids coaster from causing further to damage.

Further, the first connection bump 41 is arranged on the center of the side of connecting plate 42, and the second connection bump 43 is equidistant Ground is arranged on the opposite side of connecting plate 42, and the both ends of connecting plate opposite side are respectively arranged with the second projection.

In embodiment of the present utility model, the first connection bump is arranged on the center of connecting plate side, and the second connection is convex Rise and be arranged equally spaced at connecting plate opposite side so that connecting plate uniform force, improve the service life of connecting plate.

Further, connecting plate 42 is provided with rib 421, and rib 421 is arranged on two neighboring second connection bump Between 43.

In embodiment of the present utility model, connecting plate is provided with rib, and rib is arranged on two neighboring second and connected Between connecing projection, the stress point of connecting plate is the place of the second connection bump, and in coaster course of normal operation, the second connection is convex Rise by downward pulling force, rib is set between two neighboring second connection bump, can prevent connecting plate from deforming, it is optional Ground, rib are arranged to the low shape in middle high both sides, with but not just for triangle, can lift the bonding strength of connecting plate.

Further, column 10 is provided with chute 12, and coaster body 20 is connected with the first roller 13, and the first roller 13 is in cunning Two relative medial surface surface scrolls of groove 12.

In embodiment of the present utility model, column is provided with chute, and coaster body is connected with the first roller, the first roller In two relative medial surface surface scrolls of chute, the first roller can be prevented to be rolled into outside column, can with but be not only, if Two pair of first roller is put, two pair of first roller be arranged in parallel, and the roller of each pair first is respectively in the chute of two relative columns Motion, the stability of coaster motion is improved, avoid the first roller from departing from chute.

Further, coaster body 20 is adjustably fixed with the second roller 14, and the second roller 14 is in the bottom surface of chute 12 The first side of the roller 13 away from coaster body 20 is exposed on surface scrolls, the surface of the second roller 14.

In embodiment of the present utility model, coaster is adjustably fixed with the second roller, can be along the axle of the first roller It is adjusted to the second roller, the second roller prevents side or the coaster of the first roller in the surface scrolls of chute bottom surface Contacted with chute bottom surface, avoid the abrasion of the first roller, the second roller surface exposes side of first roller away from coaster, improves The service life of first roller and coaster.

Further, coaster body 20 is fixed with substrate 15, and substrate 15 sets through hole 16, and the first bolt 17 passes through through hole 16 Adjustable plate 18 is bolted with, adjustable plate 18 sets waist hole, and the second bolt 19 is spirally connected through waist hole with substrate 15, and substrate 15 is away from first The side of bolt 17 is fixedly connected with the second roller 14.

In embodiment of the present utility model, through hole is passed through in the position of waist hole, and the first bolt by the second bolt Length adjust the distance of the second roller and chute bottom surface, can be adjusted according to actual conditions, convenience in transport and assembling.

Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.People in the art Member should be appreciated that utility model scope involved in the application, however it is not limited to what the particular combination of above-mentioned technical characteristic formed Technical scheme, while should also cover in the case where not departing from utility model design, by above-mentioned technical characteristic or its be equal Other technical schemes that feature is combined and formed.Such as features described above has with (but not limited to) disclosed herein The technical scheme that the technical characteristic for having similar functions is replaced mutually and formed.

Claims (10)

1. A kind of 1. anti-drop device with chain protection mechanism, it is characterised in that including the column and coaster body being oppositely arranged, The coaster body is arranged between the column being oppositely arranged, and the coaster body is slidably connected with column, the coaster Body is fixed with protection component, and the protection component is fixedly connected by attachment means with one end of the first chain, and described first The other end of chain is fixedly connected with the column, first chain and sprocket engagement, the sprocket wheel and chain protection mechanism Axle is connect, and the chain protection mechanism is fixedly connected by hydraulic cylinder with the column, and the chain protection mechanism is provided with first Protection face, first protection face are arranged on the outside of the sprocket wheel and the engaging piece of first chain, first protection Gap between face and the sprocket wheel is less than the channel height of first chain.
2. 2. the anti-drop device according to claim 1 with chain protection mechanism, it is characterised in that the chain protects machine Structure sets the second protection face, and second protection face and the side of the sprocket wheel be oppositely arranged, second protection face with it is described The distance of chain wheel side is less than the width of first chain.
3. 3. the anti-drop device according to claim 1 with chain protection mechanism, it is characterised in that solid between the column Surely there is the first fixed plate, first fixed plate is fixedly connected with the first chain adjustable distance.
4. 4. the anti-drop device according to claim 3 with chain protection mechanism, it is characterised in that first chain is consolidated Surely bolt is connected with, the bolt passes through first fixed plate, and the bolt is at least bolted with two nuts, the nut point The both sides of first fixed plate are not arranged on.
5. 5. the anti-drop device according to claim 3 with chain protection mechanism, it is characterised in that described including line wheel Line wheel is connected with the sprocket coaxiality, and the line wheel sets wire casing, and the wire casing winds live wire, and the electric wire is through described the The side of one fixed plate is fixed with back-up ring, and spring, the spring socket are provided between the back-up ring and first fixed plate On the electric wire.
6. 6. the anti-drop device according to claim 1 with chain protection mechanism, it is characterised in that the attachment means are set The first connection bump, connecting plate and the second connection bump are equipped with, first connection bump and second connection bump are set In the relative both sides of the connecting plate, first connection bump is fixedly connected with first chain, and second connection is convex Rise and be fixedly connected by the second chain with the protection component.
7. 7. the anti-drop device according to claim 6 with chain protection mechanism, it is characterised in that the attachment means are extremely Two second connection bumps are set less, and the protection component passes through one at least provided with two protection blocks, a protection block Second chain is fixedly connected with second connection bump.
8. 8. the anti-drop device according to claim 7 with chain protection mechanism, it is characterised in that the protection block is set First stopper section, the second stopper section and connecting portion, the protection block are socketed on bearing pin, and the bearing pin is consolidated with the coaster body Fixed connection, the connecting portion are fixedly connected with second chain, and the coaster body is fixed with block, and the block is fixed on On the motion path of second stopper section, the coaster body is removably secured one end of extension spring, the extension spring it is another One end is removably secured with the protection block and is connected, fixed connection point and the connecting portion of the extension spring with the protection block It is arranged on the both sides of the bearing pin, baffle plate is fixed with along the coaster body glide direction compartment of terrain between the column, it is described Baffle plate setting is on the motion path of first stopper section.
9. 9. the anti-drop device according to claim 1 with chain protection mechanism, it is characterised in that the column is provided with Chute, the coaster body are connected with the first roller, and first roller is in the relative two medial surface surfaces rolling of the chute Dynamic, the coaster body is adjustably fixed with the second roller, and second roller is in the surface scrolls of the chute bottom surface, institute State the second roller surface and expose side of first roller away from the coaster body.
10. 10. the anti-drop device according to claim 9 with chain protection mechanism, it is characterised in that the coaster body Substrate is fixed with, the substrate sets through hole, and the first bolt is bolted with adjustable plate through the through hole, and the adjustable plate sets waist Hole, the second bolt are spirally connected through the waist hole with the substrate, and side of the substrate away from first bolt is fixedly connected There is the second roller.