CN218318901U

CN218318901U - Scraper blade and be applied to rolling element of scraper blade

Info

Publication number: CN218318901U
Application number: CN202221485461.9U
Authority: CN
Inventors: 张晓峰; 马兰英; 亓鹏
Original assignee: Shandong Xiniu High Molecular Material Co ltd
Current assignee: Shandong Xiniu High Molecular Material Co ltd
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2023-01-17
Anticipated expiration: 2032-06-14

Abstract

The utility model provides a scraper blade, which comprises a scraper blade body and a rolling body, wherein the scraper blade body is provided with a fixing hole and a spraying hole which are communicated with each other, and the fixing hole and the spraying hole are communicated with the scraper blade body; the rolling body is arranged in the fixing hole and comprises a shell and balls, an installation cavity is formed in the shell, the balls are arranged in the installation cavity, an installation hole is formed in the bottom wall of the installation cavity, and part of the balls extend out of the bottom side of the shell from the installation hole; the top wall of the shell is provided with a water inlet hole which is communicated with the mounting cavity and the spraying hole; be formed with the blowdown passageway that link up to scraper blade body bottom between the lateral wall of scraper blade body and shell, the lateral wall of installation cavity is equipped with the hole of giving up of intercommunication installation cavity and blowdown passageway. It can effectively realize carrying out the blowdown to the inside impurity of rolling element, improves clean effect, reduces the inside impurity of rolling element to the harm of ball, improves the life of rolling element and scraper blade, the utility model also provides a be applied to the rolling element of scraper blade.

Description

Scraper blade and be applied to rolling element of scraper blade

Technical Field

The application belongs to the technical field of material conveyor, especially relates to a scraper blade and be applied to the rolling element of scraper blade.

Background

Scraper conveyors used in various industrial processes are the main transport equipment for continuously transporting particulate materials, especially in the mining field, such as coal mining, and are well suited to the mining equipment as a moving support rail for the mining equipment, and the size, the transport capacity and the reliability of the transported materials are essential characteristics of the scraper conveyor during the life span. In a complete set of scraper conveyors, a scraper is one of key parts of the scraper which influence the efficiency and reliability of the conveyor, and is also the part with the largest using amount of mining equipment, the largest required amount of accessories and the most easy loss, which directly influences the production cost, and particularly, the scraper made of high-cost materials is adopted, so that the production cost is higher.

In the prior art, in order to reduce the resistance, it is a common technical means to install a rolling structure. For example, in a scraper conveyor, a rolling structure is arranged between a scraper and a track chute, so that the resistance between a traction member and the track chute can be reduced, the energy loss can be reduced, and the energy consumption can be reduced. The rolling element can be used for material conveyor to reduce the resistance of material conveyor operation, especially when the transportation colliery, the easy gap department from the rolling element of cinder gets into the rolling element, if long-time the use, can lead to the inside impurity accumulation of rolling element too much, pile up the impurity in the shell and can squeeze gradually, lead to the ball card to be difficult to rotate in the shell, some great impurity of hardness cause wearing and tearing to the ball easily moreover.

The above description is included in the technical recognition scope of the inventors, and does not necessarily constitute the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model provides a scraper blade can effectively realize carrying out the blowdown to the inside impurity of rolling element, improves clean effect, reduces the inside impurity of rolling element to the harm of ball, improves the life of rolling element and scraper blade, the utility model also provides a be applied to the rolling element of scraper blade for rivers can be smoothly from the inside impurity of flowing of rolling element and with inside and clear away, effectively solve above-mentioned problem.

In order to solve the problems, the utility model provides a scraper blade, which comprises a scraper blade body and a rolling body, wherein the scraper blade body is provided with a fixing hole and a spraying hole which are communicated with each other, and the fixing hole and the spraying hole are communicated with the scraper blade body; the rolling body is arranged in the fixing hole and comprises a shell and balls, an installation cavity is formed in the shell, the balls are arranged in the installation cavity, an installation hole is formed in the bottom wall of the installation cavity, and part of the balls extend out of the bottom side of the shell from the installation hole; the top wall of the shell is provided with a water inlet hole which is communicated with the mounting cavity and the spraying hole; be formed with the blowdown passageway that link up to scraper blade body bottom between the lateral wall of scraper blade body and shell, the lateral wall of installation cavity is equipped with the hole of giving up of intercommunication installation cavity and blowdown passageway.

Further, be provided with a plurality of partitions between scraper blade body and the shell, partition vertical extension to the fixed orifices bottom, a plurality of partitions interval sets up, forms the blowdown passageway between scraper blade body, shell and the partition.

Furthermore, a separating part is arranged between the scraper blade body and the rolling body, and a separating part is arranged on the separating part.

Further, the separating piece is an elastic body, and the elastic body is clamped between the inner wall of the fixing hole and the shell.

Furthermore, a communicating groove is formed in the scraper body or the shell, and the communicating groove forms a sewage discharge channel.

The utility model also provides a rolling element applied to the scraper blade, the rolling element comprises a shell and a ball, an installation cavity is formed in the shell, the ball is installed in the installation cavity, the bottom wall of the installation cavity is provided with an installation hole, and part of the ball extends out of the bottom side of the shell through the installation hole; the top wall of the shell is provided with a water inlet hole; the shell lateral wall is equipped with the dirty hole of play of intercommunication installation cavity, and goes out dirty hole and run through the shell.

Further, be provided with in the installation cavity and support the inner core, the ball is arranged in and is supported the inner core bottom, supports and is provided with a plurality of revolute pair pearls between inner core lateral wall and the installation intracavity wall, and the ball drives the revolute pair pearl and rotates, and the revolute pair pearl sets gradually downwards from going out dirty hole.

Furthermore, a guide part is arranged above the revolute pair bead and is inclined towards one side of the sewage outlet hole.

Furthermore, the inlet opening evenly is provided with a plurality ofly along the shell roof.

Furthermore, a filter screen is arranged at the water inlet.

The beneficial effects of the utility model reside in that, be provided with on the scraper blade body and spray the hole, when wasing the rolling element, rivers get into the inlet opening on the rolling element from spraying the hole to get into impurity and rivers through the sewage pipes who forms between rolling element and the scraper blade body and get rid of together, realized the cleanness to the rolling element, can effectively realize carrying out the blowdown to the impurity of rolling element inside, improve clean effect, reduce the harm of the inside impurity of rolling element to the ball, avoid the phenomenon that the rolling element card shell appears in the use in the scraper blade, the utility model also provides a be applied to the rolling element of scraper blade for rivers can be smoothly from the inside flow of rolling element and clear away the impurity of inside, prolong the life of rolling element.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the application and not to limit the invention. In the drawings:

fig. 1 is a schematic sectional structural view of the scraper blade of the present invention.

Fig. 2 is a schematic view of a part of an enlarged structure at a in the embodiment shown in fig. 1.

Fig. 3 is a schematic perspective view of the rolling element of the present invention.

Fig. 4 is a schematic sectional structure view of the rolling element of the present invention.

10, a scraper blade body; 101. a fixing hole; 102. spraying holes; 20. a rolling body; 201. a housing; 2011. a water inlet hole; 2012. mounting holes; 2013. a sewage outlet; 202. a ball bearing; 203. a mounting cavity; 204. supporting the inner core; 2041. a guide section; 205. rotating the auxiliary bead; 30. a separator; 301. a partition portion; 40. a trapway; 50. and (5) filtering the screen.

Detailed Description

In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.

In addition, in the description of the present invention, it is to be understood that the terms "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In the present invention, as shown in fig. 1-4, a scraper is provided, which comprises a scraper body 10 and a rolling element 20, wherein the scraper body 10 is provided with a fixing hole 101 and a spraying hole 102 which are communicated with each other, and the fixing hole 101 and the spraying hole 102 penetrate through the scraper body 10; the rolling body 20 is arranged in the fixing hole 101, the rolling body 20 comprises a shell 201 and balls 202, an installation cavity 203 is formed in the shell 201, the balls 202 are arranged in the installation cavity 203, an installation hole 2012 is formed in the bottom wall of the installation cavity 203, and part of the balls 202 extend out of the bottom side of the shell 201 from the installation hole 2012; a water inlet 2011 communicating the installation cavity 203 and the spraying hole 102 is arranged on the top wall of the shell 201; a sewage channel 40 penetrating to the bottom of the scraper body 10 is formed between the scraper body 10 and the outer side wall of the shell 201, and a sewage outlet 2013 communicating the installation cavity 203 and the sewage channel 40 is formed in the side wall of the installation cavity 203.

The scraper body 10 is provided with a fixing hole 101 and a spraying hole 102, which can be concentrically arranged or arranged in a staggered manner, the rolling body 20 is installed in the fixing hole 101, and when the scraper rotates to a spraying position, the spraying hole 102 is arranged above the fixing hole 101. Ball 202 is arranged in mounting cavity 203 of shell 201, part ball 202 stretches out the bottom side of shell 201 and outstanding in scraper blade body 10, in operation, ball 202 is at the rotation of track, some impurity adheres on ball 202, move to mounting cavity 203 along with ball 202 in, be provided with inlet opening 2011 on the roof of shell 201, when spraying, rivers get into rolling element 20 top from spraying hole 102, the rethread inlet opening 2011 flows into in the mounting cavity 203 of rolling element 20, wash away the impurity in the mounting cavity 203, make impurity follow water and flow to sewage pipes 40 from sewage holes 2013, flow out scraper blade body 10 bottom afterwards.

The utility model discloses a hole 102 sprays that sets up on rolling element 20 and the scraper blade, inlet opening 2011, go out dirty hole 2013 and sewage pipes 40 and establish a new sewage discharge path, and can spray rolling element 20 through this sewage discharge path, increase the mobility of water, continuously wash away inside the rolling element, make rivers can flow from this passageway fast and take away the impurity in the installation cavity 203, realize the clearance to the impurity of inlet opening 2011 top and the first half impurity of installation cavity 203, avoid forming the phenomenon of "local stagnant water" because the inside water that leads to of installation cavity 203 siltation jam, and then prevent the problem that "stagnant water" impairs to the shower water, avoid forming the form of soaking to the inside impurity of installation cavity 203, influence the blowdown effect of impurity. And moreover, water flow can flow out of the rolling body 20 quickly and smoothly, pollution discharge on the rolling body 20 can be effectively realized, the cleaning effect is improved, the damage of impurities in the rolling body 20 to the balls 202 is reduced, and the phenomenon that the rolling body 20 is clamped in the use process of the scraper is avoided. Certainly, in order to improve the flowing effect and the sewage draining effect of the water flow, the sewage outlet 2013 arranged on the side wall of the shell 201 can be arranged to be inclined downwards and communicated with the sewage draining channel 40, so that the water draining and sewage draining effects can be improved, most of water and impurity particles are discharged through the sewage draining channel 40 after the spraying is finished, in the process that the scraper finishes the spraying circulation, part of water flows out through the gap between the shell 201 and the ball 202 through gravity, and the phenomenon that too much liquid is adhered to the surface of the ball 202 is avoided.

It should be further noted that, as shown in fig. 2 and 4, as for an embodiment of the trapway 40, a plurality of partition portions 301 are arranged between the scraper body 10 and the housing 201, the partition portions 301 extend vertically to the bottom of the fixing hole 101, the plurality of partition portions 301 are arranged at intervals, and the trapway 40 is formed among the scraper body 10, the housing 201, and the partition portions 301. A plurality of sewage channels 40 are formed among the plurality of partition parts 301, and the sewage channels 40 correspond to the sewage outlet holes 2013 one by one, so that the sewage discharging effect of the scraper plate is effectively improved. In addition, the partition 301 may be provided with some limiting structures, such as limiting ribs or groove structures, so as to facilitate the installation of the rolling element 20, and also prevent the rolling element 20 from shaking in the fixing hole 101.

In addition, as an alternative embodiment of the pollution discharge channel, a communication groove is arranged on the scraper body or the housing, the communication groove forms a pollution discharge channel, the processing efficiency of the scraper is improved, meanwhile, the size and the shape of the pollution discharge channel 40 can not be limited by the size of the housing 201 and the scraper structure, the strength of the housing 201 of the rolling body 20 is improved, and the processing difficulty of the scraper body 10 is reduced. In addition, in some embodiments, the drainage channel 40 may be disposed inside the housing 201 of the rolling element 20, water may directly flow into the drainage channel 40 in the housing 201 from the drainage hole 2013 to be discharged, the same drainage channel 40 may be disposed on the scraper body 10, or may be disposed in a spiral step communication manner, and the formation of the drainage channel 40 is not limited to one embodiment. And is not limited to one embodiment.

Preferably, as shown in fig. 3, in order to facilitate the processing of the scraper body 10 and the rolling elements 20 respectively and improve the installation efficiency, a separating element 30 is installed between the scraper body 10 and the rolling elements 20, and a separating portion 301 is provided on the separating element 30, and the separating element 30, the rolling elements 20 and the scraper body 10 can be made of different materials respectively, which is beneficial to separately processing the separating portion, so that when the balls 202 are worn and need to be replaced, the separating element 30 does not need to be replaced, and the service life of the separating portion 301 is prolonged.

More specifically, as shown in fig. 2 and 3, the partition 30 is an elastic body, and the elastic body is sandwiched between the inner wall of the fixing hole 101 and the housing 201. The separating element 30 is an elastic body, when the separating element 30 is installed, the separating element 30 is placed in the fixing hole 101, the separating element 30, the scraper body 10 and the rolling element 20 can be pressed in a squeezing mode, friction force between the separating element 30 and the rolling element 20 is increased, fixing effect of the rolling element 20 is improved, meanwhile, when the balls 202 rotate, the separating element 30 has certain elasticity, shock absorption effect can be achieved, and shaking of the rolling element 20 is reduced. In addition, the separator 30 has certain elastic deformation capacity, so that the machining precision of the outer shell 201 and the fixing hole 101 of the rolling element 20 can be reduced, and the production efficiency can be improved.

The utility model also provides a be applied to the rolling element of scraper blade, as shown in fig. 3, 4, rolling element 20 includes shell 201 and ball 202, forms installation cavity 203 in the shell 201, and ball 202 installs in installation cavity 203, and the diapire of installation cavity 203 is equipped with mounting hole 2012, and ball 202 has the part to stretch out the bottom side of shell 201 by mounting hole 2012; the top wall of the shell 201 is provided with a water inlet 2011; the side wall of the shell 201 is provided with a sewage outlet 2013 communicated with the installation cavity 203, and the sewage outlet 2013 penetrates through the shell 201.

Rolling element 20 includes shell 201 and the ball 202 that sets up in shell 201 internally mounted cavity 203, shell 201 bottom is provided with mounting hole 2012, part ball 202 protrusion in shell 201, inlet opening 2011, mounting cavity 203 and the intercommunication of going out dirty hole 2013 three, form one from last to intercommunication the inside and outside rivers passageway of rolling element 20 down, when cleaning the inside of rolling element 20, rivers get into in the mounting cavity 203 from inlet opening 2011, take away most impurity dust, most rivers flow out through the hole 2013 that goes out on the shell 201 lateral wall, some rivers directly get into in the mounting cavity 203 through inlet opening 2011 in addition, under the mobile effect of water, wash away the impurity that adheres on ball 202 surface, some impurity directly flows through the gap of ball 202 and mounting hole 2012, another part becomes flexible after can follow rivers and move to go out to the hole 2013 that goes out, or flow in mounting cavity 203, it flows to follow rivers when conveniently waiting to spray next time, the effect of spraying has been improved greatly.

Preferably, as shown in fig. 4, a support inner core 204 is arranged in the installation cavity 203, the balls 202 are arranged at the bottom of the support inner core 204, a plurality of revolute pair balls 205 are arranged between the side wall of the support inner core 204 and the inner wall of the installation cavity 203, the balls 202 drive the revolute pair balls 205 to rotate, and the revolute pair balls 205 are arranged in sequence from the dirt outlet 2013. The revolute pair balls 205 fill the gap between the inside of the mounting cavity 203 and the support core 204, making the support core 204 more stable. Go out dirty hole 2013 below from last to being provided with a plurality of revolute pair pearls 205 down, the impurity granule of installing cavity 203 below can adhere on rotating ball 202 in the rotation process to drive the impurity granule through a plurality of rotating ball 202 and to going out dirty hole 2013 direction transmission, rivers take away impurity when being convenient for spray, improve near ball 202 clean effect. In the present embodiment, the highest revolute pair bead 205 is flush with the bottom wall of the drain hole 2013, or slightly lower than the bottom wall of the drain hole 2013.

In addition, in order to reduce the sliding friction between the ball 202 and the supporting core 204 and reduce the probability of the ball 202 being stuck, as shown in fig. 4, a supporting secondary ball is arranged between the supporting core 204 and the ball 202, the contact area between the ball 202 and the inside of the rolling element 20 is reduced, the space between the ball 202 and the supporting core 204 is increased, so that a certain amount of impurities can be accommodated between the ball 202 and the supporting core 204, which facilitates subsequent cleaning and the movement of the impurities, and prolongs the service life of the rolling element 20, and the rotating secondary ball 205 and the supporting secondary ball are in contact with each other, when the ball 202 works, the rotation is transmitted to the supporting secondary ball, the supporting secondary ball is transmitted to the rotating secondary balls 205 at both sides, so as to drive the rotating secondary ball 205 to rotate, and large particle impurities can be crushed during the rotation of the ball 202, the supporting secondary ball, and the rotating secondary ball 205, thereby reducing the difficulty of the movement of the impurity particles.

Preferably, as shown in fig. 4, the support core 204 is provided with a guide portion 2041 above the revolute pair ball 205, and the guide portion 2041 is inclined toward the dirt outlet 2013. The supporting inner core 204 is provided with the guide part 2041 near the same height of the dirt outlet 2013, when spraying, the guide part 2041 inclined towards one side of the dirt outlet 2013 can limit the moving direction of water flow, guide water flow and impurities to move towards the dirt outlet 2013, and facilitate the water flow to flow out of the inside of the rolling element 20 quickly. The rotation ball 202 at the highest position abuts against the bottom of the guide portion 2041, and a certain gap is left between the guide portion 2041 and the housing 201 to limit the upward movement of the rotation ball 202.

It should be further noted that a plurality of water inlet holes 2011 are uniformly arranged along the top wall of the housing 201, so that the probability of water entering the rolling bodies 20 during spraying can be increased.

More specifically, as shown in fig. 4, in order to prevent impurities from entering the installation cavity 203 from the water inlet 2011 or blocking the water inlet 2011, the filter screen 50 is disposed at the water inlet 2011, so as to prevent the impurities from being infected by the external impurities.

The utility model can be realized by adopting or using the prior art for reference in places which are not mentioned in the utility model.

The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.

The above are only examples of the present invention, and are not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The scraper is characterized by comprising a scraper body and a rolling body, wherein the scraper body is provided with a fixing hole and a spraying hole which are communicated, and the fixing hole and the spraying hole are communicated with the scraper body;

the rolling body is arranged in the fixing hole and comprises a shell and a ball, an installation cavity is formed in the shell, the ball is arranged in the installation cavity, an installation hole is formed in the bottom wall of the installation cavity, and part of the ball extends out of the bottom side of the shell from the installation hole;

the top wall of the shell is provided with a water inlet hole which is communicated with the mounting cavity and the spraying hole; the scraper blade body with be formed with between the lateral wall of shell and link up to the blowdown passageway of scraper blade body bottom, the lateral wall of installation cavity is equipped with the intercommunication the installation cavity with the hole of giving up dirt of blowdown passageway.

2. The scraper of claim 1 wherein a plurality of partitions are disposed between the scraper body and the housing, the partitions extending vertically toward the bottom of the fixing hole, the partitions being spaced apart to define the trapway therebetween.

3. The scraper of claim 2 wherein a spacer is mounted between the scraper body and the rolling elements, the spacer having the partitions disposed thereon.

4. The scraper of claim 3 wherein said divider is an elastomer sandwiched between said fixed orifice inner wall and said housing.

5. The scraper of claim 1 wherein the scraper body or the housing is provided with a communication groove thereon, the communication groove forming the trapway.

6. The rolling body applied to the scraper is characterized by comprising a shell and a ball, wherein a mounting cavity is formed in the shell, the ball is mounted in the mounting cavity, a mounting hole is formed in the bottom wall of the mounting cavity, and part of the ball extends out of the bottom side of the shell from the mounting hole;

the top wall of the shell is provided with a water inlet hole; the shell lateral wall is equipped with the intercommunication the dirty hole of play of installation cavity, just it runs through to go out dirty hole the shell.

7. The rolling element applied to the scraper blade of claim 6, wherein a support inner core is arranged in the mounting cavity, the balls are arranged at the bottom of the support inner core, a plurality of revolute pair balls are arranged between the side wall of the support inner core and the inner wall of the mounting cavity, the balls drive the revolute pair balls to rotate, and the revolute pair balls are arranged in sequence from the dirt outlet downwards.

8. The rolling element applied to a scraper of claim 7, wherein the support core is provided with a guide part above the revolute pair ball, and the guide part is inclined to the side of the dirt discharge hole.

9. The rolling element applied to a scraper of claim 6, wherein said water inlet holes are uniformly provided in plurality along said top wall of said casing.

10. The rolling element for a scraper of claim 6, wherein a strainer is provided at the water inlet.