CN201799942U

CN201799942U - Grinding disc and grinding block assembly

Info

Publication number: CN201799942U
Application number: CN201020293912XU
Authority: CN
Inventors: 何�轩
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-08-17
Filing date: 2010-08-17
Publication date: 2011-04-20
Anticipated expiration: 2020-08-17

Abstract

The utility model discloses a grinding disc, which is applied in a high-speed rail bridge grinding machine. The grinding disc comprises a disc body and grinding blocks equipped on the disc body. The grinding disc further comprises anti-skid keys. The disc body is provided with anti-skid grooves. The anti-skid keys are embedded in the anti-skid grooves and relatively fixed on the disc body. The grinding blocks are fixed on the top of the anti-skid keys which are respectively provided with a threaded hole. The bottom of each anti-skid groove on the disc body is correspondingly provided with a positioning hole. The anti-skid keys and the disc body are connected through screws. The grinding blocks of the grinding disc and the disc body are in no need of welding. The installation is simple and the operation is convenient. When the grinding block is worn out, what is needed is only to replace the grinding block instead of the disc body. Thus the cost is significantly reduced. Meanwhile, the disc body can be effectively prevented from being worn. The grinding blocks are maximumly prevented from sliding. The effective working performances of the grinding blocks are thus guaranteed. The utility model further discloses a grinding block assembly of the above mentioned grinding disc.

Description

A kind of mill and abrasive brick component

Technical field

The utility model relates to bridge grinding technology field, relates in particular to a kind of supporting mill of high ferro bridge grinder.The utility model also relates to the abrasive brick component of above-mentioned mill.

Background technology

Along with the fast development that domestic high-speed railway (abbreviation high ferro) is built, the high ferro science of bridge building has had considerable scale.

The train of running at high speed to bridge concrete end face flatness require high.But in work progress, often be difficult to reach designing requirement because of various factors, when the flatness on bridge surface can not satisfy desired error requirements, must take extra remedial measure that bridge end face defective is handled and rebuild, so that reach the desired quality standard of design.

In general, the processing on bridge surface is mainly contained dual mode: the one, adopt grinder to polish to not satisfying the position that flatness requires, till meeting the requirement of beam surface evenness; Two are to use the preshrunk mortar to fill up recess, treat mortar hardening after, mend is polished, to be consistent with on every side concrete surface height.

High ferro bridge grinder is meant the disc type grinding machine that is used for the smooth polishing of high-speed railway bridge beam face, mainly form by actuating unit, frame, dish seat three parts, the diamond disk that dependence is assemblied on the dish seat is polished effectively to the beam face, mode with annular array on the disk body of described diamond disk is fixed with some diamond grinding blocks, diamond grinding block adopts diamond raw material and metallurgical powder, form through high temperature hot pressing refining knot, be applicable to the grinding of hard brittle materias such as terrazzo, marble, cement pavement, hard refractory material.

Though this connected mode is simple, there is the following drawback that is difficult to overcome in the abrading block of existing mill mostly directly solid welding on disk body:

One, after the mill total consumption is intact, need to order mill again from the manufacturer of grinder, the mill body goes out of use and will can be regarded as the cost expenditure on the one hand, grinder producer also needs to advance to purchase abrading block to diamond composition manufacturer on the other hand, increased a link virtually, also just mean and increased a part of expense, cause use cost too high.

Its two because abrading block is close to disk body, when abrading block wears up near finally the time, the disk body of mill can touch machined surface, causes it easily by frictionally damage.

Its three, high temperature welding-on abrading block not only makes the diamond carbonization, has reduced the polishing ability, has reduced the life-span, and high temperature causes disk body distortion eccentric wear easily, influences balance, and rotary speed is beated big more more soon, buffed surface is luminous to skid, and local uneven, the polishing effect is undesirable.

To this, split type mill just arises at the historic moment, but the positioner of conventional split type mill designs not enough science, can not guarantee absolute fix, the abrading block alignment pin fractures easily, just turn-taking after fractureing skids has lost the polishing ability, and influences cutter under other abrading block, causes the product sharpness not enough, polishing sound is screamed ear-piercing, machine is upwards beated easily, and operating efficiency is low excessively, influences workman's job morale.

Therefore, how designing the split type mill of a kind of easy assembling and firm position, is the present technical issues that need to address of those skilled in the art.

The utility model content

The purpose of this utility model provides a kind of mill.This mill adopts split-type design, need not welding between abrading block and the disk body, installs simply, easy to operate, after the complete loss of abrading block, only needs the replacing abrading block and does not change disk body, highly saves cost; Can prevent simultaneously the disk body wearing and tearing effectively, and prevent that to greatest extent abrading block from sliding, thereby guarantee effective service behaviour of abrading block.

Another purpose of the present utility model provides a kind of abrasive brick component of above-mentioned mill.

To achieve these goals, the utility model provides a kind of mill, be used for high ferro bridge grinder, comprise disk body and be arranged on abrading block on the described disk body, further comprise anti-feather key, described disk body is provided with anti-slip tank, described anti-feather key embed in the described anti-slip tank and with described disk body relative fixed; Described abrading block is fixed in described anti-feather key top.

Preferably, described anti-feather key is provided with screwed hole, and the anti-slip tank bottom of described disk body is provided with positioning hole corresponding, and described anti-feather key is connected by screw with disk body.

Preferably, described anti-feather key lower end has reference column, and the anti-slip tank of described disk body bottom is provided with positioning hole corresponding, and described reference column is installed in the described locating hole and by connector and described disk body relative fixed.

Preferably, described connector is specially nut, and the end that described reference column passes described disk body has external screw thread, and by described nut and disk body relative fixed.

Preferably, described anti-skidding key length equals the length of described abrading block.

Preferably, the height of described anti-feather key leaves spacing greater than the degree of depth of described anti-slip tank between described abrading block and the disk body.

Preferably, described locating hole is the circular port that runs through described disk body; The reference column of described anti-feather key lower end is a cylinder.

Preferably, described anti-slip tank is Long Circle, rectangle, triangle, rhombus or polygon; The cross sectional shape of described anti-feather key matches with it.

The utility model also provides a kind of abrasive brick component, comprises abrading block and anti-feather key, and described abrading block is fixed in described anti-feather key top, and described anti-feather key is provided with screwed hole.

Preferably, described abrading block is specially diamond grinding block.

The utility model has been done further improvement to the fixed form of abrading block on the basis of existing technology, described abrading block no longer directly is welded on the disk body or directly and is fixed on the disk body by bearing pin, but employing split-type structural, be installed on the disk body indirectly by anti-feather key, the anti-feather key that described top is fixed with abrading block is seated in the anti-slip tank on the disk body, and fix by screw, need not welding between described abrading block and the disk body, install simple, easy to operate, after the complete loss of abrading block, only need to change abrading block and get final product, and need not to change disk body, highly save cost; Can prevent simultaneously the disk body wearing and tearing effectively, prevent that to greatest extent abrading block from sliding, guarantee effective service behaviour of abrading block, solve a professional bridge polishing difficult problem, meet the requirement of " low-carbon (LC) " operation.

In a kind of specific embodiment, the height of described anti-feather key leaves spacing greater than the degree of depth of described anti-slip tank between described abrading block and the disk body.Like this, because abrading block do not contact disk body, when abrading block wears up near finally the time, machined surface only can wear and tear anti-feather key and can not touch disk body, thereby prevent that effectively disk body is worn, help to prolong the service life of disk body, reduce the cost that increases because of frequent replacing disk body.

Description of drawings

Fig. 1 is that the axle of a kind of specific embodiment of mill that the utility model provides is surveyed view;

Fig. 2 is that the axle of another angle of mill shown in Figure 1 is surveyed view;

Fig. 3 is the floor map of disk body shown in Fig. 1;

Fig. 4 is the A-A view of Fig. 3;

Fig. 5 is anti-feather key and the relatively-stationary partial sectional view of disk body shown in Fig. 1;

Fig. 6 is the structural representation of anti-feather key, abrading block, spring washer and screw shown in Fig. 1;

Fig. 7 is that the axle of anti-feather key shown in Fig. 1 is surveyed view;

Fig. 8 is that anti-feather key and disk body adopt the relatively-stationary partial sectional view of another kind of mode;

Fig. 9 is the structural representation of anti-feather key, abrading block, spring washer and screw shown in Fig. 8;

Figure 10 is the structural representation of disk body in the another kind of specific embodiment of mill that the utility model provides;

Figure 11 is the B-B view of Figure 10.

Pairing parts of numeral number or toponym are as follows among the figure:

1.. disk body 1-1. anti-slip tank 1-2. locating hole 2. abrading blocks 3. installing holes 4. anti-feather key 4-1. reference column 4-2. screwed hole 5. screws 6. spring shims 7. nuts

The specific embodiment

Core of the present utility model provides a kind of mill.This mill adopts split-type design, need not welding between abrading block and the disk body, installs simply, easy to operate, after the complete loss of abrading block, only needs the replacing abrading block and does not change disk body, highly saves cost; Can prevent simultaneously the disk body wearing and tearing effectively, prevent that to greatest extent abrading block from sliding, and guaranteed effective service behaviour of abrading block.Another core of the present utility model provides a kind of abrasive brick component of above-mentioned mill.

In order to make those skilled in the art person understand the utility model scheme better, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.

The term in expression orientation such as herein " upper and lower, inside and outside " is based on the position relation of accompanying drawing, only is for convenience of description, it should be interpreted as the absolute qualification to protection domain.

Please refer to Fig. 1, Fig. 2, Fig. 1 is that the axle of a kind of specific embodiment of mill that the utility model provides is surveyed view; Fig. 2 is that the axle of another angle of mill shown in Figure 1 is surveyed view.

In a kind of specific embodiment, mill provided by the utility model mainly is made of disk body 1 and the abrading block 2 that is arranged on the disk body, disk body 1 is and has certain thickness circle, its centre offers a plurality of installing holes 3 and air suction opening, abrading block 2 is evenly distributed in disk body 1 near on the card of outer in the mode of annular array, and its quantity one has ten.

Please in the lump with reference to figure 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 3 is the floor map of disk body shown in Fig. 1; Fig. 4 is the A-A view of Fig. 3; Fig. 5 is anti-feather key and the relatively-stationary partial sectional view of disk body shown in Fig. 1; Fig. 6 is the structural representation of anti-feather key, abrading block, spring washer and screw shown in Fig. 1; Fig. 7 is that the axle of anti-feather key shown in Fig. 1 is surveyed view.

As shown in the figure, abrading block 2 is installed on the disk body 1 by anti-feather key 4, and abrading block 2 is welded on the top of anti-feather key 4 in advance; Anti-feather key 4 is Long Circle, has certain height, offers screwed hole 4-2 on it, offers Long Circle anti-slip tank 1-1 respectively in the installation site of each abrading block 2 on the disk body 1, and the place is provided with the locating hole 1-2 of up/down perforation in the middle of the anti-slip tank 1-1 bottom; During installation, the anti-feather key 4 that earlier top is fixed with abrading block 2 is put into anti-slip tank 1-1, is screwed into screw 5 then from the below and can will prevents that feather key 4 and disk body 1 are fixed together.For further improving the reliability that connects, between screw 5 and disk body 1, be provided with spring shim 6.

In actual process, require anti-feather key 4 and anti-slip tank 1-1 just to coincide, after anti-feather key 4 embeds anti-slip tank 1-1, bigger gap can not be arranged between the two, influence grinding effect in order to avoid abrading block 2 rotates, the plane of especially anti-feather key 4 both sides is wanted and can closely be contacted with anti-slip tank 1-1 both sides inwall.

The height of anti-feather key 4 leaves spacing greater than the degree of depth of anti-slip tank 1-1 between abrading block 2 and the disk body 1.Like this, because abrading block 2 do not contact disk body 1, when abrading block 2 wears up near finally the time, machined surface only can wear and tear anti-feather key 4 and can not touch disk body 1, thereby prevent that effectively disk body 1 is worn, help to prolong the service life of disk body 1, reduce the cost that increases because of frequent replacing disk body 1.

Certainly, the shape of anti-feather key 4 and anti-slip tank 1-1 is not limited to Long Circle, can also be other shapes such as rectangle, triangle, rhombus or polygon, after as long as anti-feather key 4 is seated in anti-slip tank 1-1, can limit it relatively rotates and gets final product, because oblong anti-feather key 4 and anti-slip tank 1-1 are easy to processing, and can effectively support abrading block 2, therefore be comparatively suitable.

For the fixed form of anti-feather key 4 with disk body 1, this paper does not do absolute qualification, except using aforesaid way fixes, can also adopt alternate manner to fix.

Please refer to Fig. 8, Fig. 9, Fig. 8 is that anti-feather key and disk body adopt the relatively-stationary partial sectional view of another kind of mode; Fig. 9 is the structural representation of anti-feather key, abrading block, spring washer and screw shown in Fig. 8.

As shown in the figure, abrading block 2 is installed on the disk body 1 by anti-feather key 4, and abrading block 2 is welded on the top of anti-feather key 4 in advance; Anti-feather key 4 is Long Circle, has certain height, and its lower end has a pitch circle shape reference column 4-1, offers Long Circle anti-slip tank 1-1 respectively in the installation site of each abrading block 2 on the disk body 1, and the place is provided with the locating hole 1-2 of up/down perforation in the middle of the anti-slip tank 1-1 bottom; The length of reference column 4-2 is greater than the degree of depth of locating hole 1-2, its lower end protruding certain distance and have external screw thread from locating hole 1-2, after screwing in nut 7 on it, can be with non-slipping block 4 and disk body 1 relative fixed, in like manner, for further improving the reliability that connects, between nut 7 and disk body 1, spring shim 6 can be set.

The reference column 4-1 of anti-feather key 4 lower ends is not limited to cylindrical, can also be oval or prismatic, and obviously, when reference column 4-1 was cylindrical, locating hole 1-2 was a circular hole, realizes than being easier on manufacturing process.

In addition, when above-mentioned anti-feather key has reference column, can also offer annular slot, snap in jump ring then it is fixed on the disk body,, just enumerate no longer one by one here because adoptable technological means is more at the reference column end.

Please refer to Figure 10, Figure 11, Figure 10 is the structural representation of disk body in the another kind of specific embodiment of mill that the utility model provides; Figure 11 is the B-B view of Figure 10.

In the another kind of specific embodiment, the disk body 1 of mill provided by the utility model is provided with inside and outside two circle abrading blocks, the abrading block quantity of outer ring is 12, the abrading block quantity of inner ring is four, wherein anti-slip tank 1-1 one end of outer ring outwards slits logical opening-like, all the other structures and first kind of specific embodiment are basic identical, can be with reference to description above.Because disk body is bigger and abrading block is more, so grainding capacity is further strengthened, and is suitable for the big or higher bridge surface of hardness of grinding area.

The abrading block of above-mentioned mill is installed on the disk body by the anti-feather key that has reference column indirectly, anti-feather key is seated in the anti-slip tank on the disk body, need not welding between abrading block and the disk body, install simple, easy to operate, after the complete loss of abrading block, only need to change abrading block and get final product, and need not to change disk body, highly save cost; Can prevent simultaneously the disk body wearing and tearing effectively, prevent that to greatest extent abrading block from sliding, guarantee effective service behaviour of abrading block, solve a professional bridge polishing difficult problem, meet the requirement of " low-carbon (LC) " operation.

More than mill provided by the utility model and abrasive brick component are described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand core concept of the present utility model.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.

Claims

1. a mill is used for high ferro bridge grinder, comprises disk body and is arranged on abrading block on the described disk body, it is characterized in that, further comprise anti-feather key, described disk body is provided with anti-slip tank, described anti-feather key embed in the described anti-slip tank and with described disk body relative fixed; Described abrading block is fixed in described anti-feather key top.

2. mill according to claim 1 is characterized in that, described anti-feather key is provided with screwed hole, and the anti-slip tank bottom of described disk body is provided with positioning hole corresponding, and described anti-feather key is connected by screw with disk body.

3. mill according to claim 1 is characterized in that, described anti-feather key lower end has reference column, and the anti-slip tank of described disk body bottom is provided with positioning hole corresponding, and described reference column is installed in the described locating hole and by connector and described disk body relative fixed.

4. mill according to claim 3 is characterized in that described connector is specially nut, and the end that described reference column passes described disk body has external screw thread, and by described nut and disk body relative fixed.

5. according to each described mill of claim 1 to 4, it is characterized in that described anti-skidding key length equals the length of described abrading block.

6. mill according to claim 5 is characterized in that, the height of described anti-feather key leaves spacing greater than the degree of depth of described anti-slip tank between described abrading block and the disk body.

7. mill according to claim 6 is characterized in that, described locating hole is the circular port that runs through described disk body; The reference column of described anti-feather key lower end is a cylinder.

8. mill according to claim 7 is characterized in that described anti-slip tank is Long Circle, rectangle, triangle, rhombus or polygon; The cross sectional shape of described anti-feather key matches with it.

9. an abrasive brick component is characterized in that, comprises abrading block and anti-feather key, and described abrading block is fixed in described anti-feather key top, and described anti-feather key is provided with screwed hole.