CN208009211U - A kind of road polishes constructing device - Google Patents

Abstract

The utility model belongs to road construction equipment technical field, it specifically discloses a kind of road and polishes constructing device, including shell and it is installed on the support portion of enclosure bottom, shell cylinder of lower face opening for upper end face closure, the workpiece polishing mechanism being fixedly connected on by bearing on shell upper surface is equipped in the middle part of shell inner cavity, workpiece polishing mechanism upper end connects driving mechanism, and support elevating mechanism is connected in the middle part of workpiece polishing mechanism, dust exhaust apparatus is equipped on the upside of shell side；It is respectively connected with dustcloth between per adjacent two support portion.The utility model can realize that convex-concave uneven department position successively polishes in road pavement from top to bottom, can handle protrusion out-of-flatness position larger on road surface, the especially processing to flatness such as semi-rigid type base and Cement Concrete Pavement Slabs.Work efficiency is high for this device, and working range is big, and reasonable in design, ingenious, adjusts accuracy height, and application value is high；The dust-proof efficiency of this device and dust-proof effect are preferable, can reduce environmental pollution, and improve construction operation environment.

Description

A kind of road polishes constructing device

Technical field

The utility model belongs to road construction equipment technical field more particularly to a kind of road polishes constructing device.

Background technology

It, often will be to due to applying in order to improve the integral smoothness and road-ability on road surface in highway engineering construction The scraggly region in part carries out polishing processing caused by work flaw, such as concrete bridge deck, semi-rigid type base surface and mixes Solidifying dirt road panel etc..But due to being detail sanding, so actually most of material polishing removal amounts are frequently not very big, Therefore, traditional grinding machine is often unsuitable due to being related to equipment cost, ease of use and other reasons.

A kind of dust-proof road construction device is disclosed in the patent that application publication number is CN105133475B, uses horse The right pressure of the screw-type that generates and simultaneously or synchronous rotation when being rotated up to driving, so as to drive grinding head to synchronize Polishing rotation and left and right translation, and a motor is only used only, therefore, subtract in conjunction with the case where polishing amount for locally protruding Equipment cost is lacked；And dust suction is carried out using dust exhaust apparatus in polishing range, realize more efficient dust-proof effect；It also sets up Can utilize motor automatic controlled height leg member, and be used cooperatively level meter, can according to the actual profile on road surface and The levelness of live quickly adjustment whole equipment so that adjustment more precisely to ensure polishing in polishing after the completion of Process flatness.But it has the disadvantage that：Once having larger convex block in grinding head polishing range, then it can stop grinding head Advance and run, it is also possible to cause the leg member of one end to be detached from road surface and upwarp, finally cause that road surface detail sanding can not be completed Work.

Utility model content

The purpose of this utility model is to provide a kind of roads to polish constructing device, realizes road pavement upper protruding block from top to bottom It successively polishes, bossed body larger on road surface can be handled, the work disposal range of device is larger.

In order to achieve the above object, the base case of the utility model is：A kind of road polishes constructing device, including lower end The shell of opening, shell lower end are equipped with support portion, and workpiece polishing mechanism is equipped in shell, and workpiece polishing mechanism includes being rotatablely connected on the shell Sleeve and drive the driving portion of sleeve rotation, be equipped with bull stick in sleeve, bull stick side wall is equipped with convex block, in sleeve lateral wall Equipped with the strip-shaped hole slided up and down for convex block, elastic component is fixedly connected on bull stick, elastic component upper end is fixedly connected on sleeve, Bull stick, which is located on the side wall below sleeve, is fixedly connected with annular collar, and toroidal cavity is equipped in annular collar, annular collar The annular groove being connected to toroidal cavity is offered on side wall, and several fixture blocks are slidably connected in toroidal cavity, are fixedly connected on fixture block Have a horizontally disposed supporting rod, supporting rod passes through annular groove, and the one end of supporting rod far from fixture block is fixedly connected with sliding block, shell it is interior The sliding slot slided up and down for sliding block is offered on wall, sliding slot lower end is equipped with the first electromagnet, is equipped with and the first electromagnet in sliding block The opposite permanent magnet of magnetic pole, the lower end of bull stick are fixedly connected with the grinding head for being useful for polishing.

The operation principle of this base case is：When using the present apparatus, first the present apparatus is placed on ground to be polished, Then the first electromagnet energizing magnetic.Due to being equipped with the permanent magnet opposite with the first electromagnet pole in sliding block, so the One electromagnet generate it is magnetic after can generate adsorption capacity to permanent magnet, and sliding block is slidably connected in sliding slot, so sliding block can be along Sliding slot slide downward.Since sliding block is fixedly connected with supporting rod, so sliding block slide downward can drive supporting rod to move down；And Supporting rod passes through annular groove and is equipped with fixture block close to one end of bull stick, and fixture block is slidably connected in the toroidal cavity in annular collar, So when supporting rod moves downward a downward power can be applied to annular collar by annular groove.Simultaneously because annular collar is fixed It is connected on bull stick, and bull stick is slidably connected at by convex block in the strip-shaped hole on sleeve, so annular collar is by downward Bull stick can be driven to move downward when power, to convex block slide downward in strip-shaped hole.Simultaneously because being fixedly connected with bullet on bull stick Property part, therefore when bull stick moves downward can make elastic component that flexible deformation occur.When the lower surface contact of the grinding head of bull stick lower end When bump on to ground, bull stick can stop declining.Then start driving portion, driving portion drive sleeve is rotated.Due to Convex block on bull stick is slidably connected in strip-shaped hole, therefore when sleeve rotation, and strip-shaped hole can drive convex block one to convex block applied force Movement is played, that is, drives bull stick to be rotated.Bar rotation drive grinding head rotation, to grinding head to the bump on ground into Row polishing.Due to being equipped with toroidal cavity in annular collar, the side wall of annular collar is equipped with the annular groove being connected to toroidal cavity, and Fixture block on supporting rod is slidably connected in toroidal cavity, therefore when bar rotation, and fixture block can slide in toroidal cavity.Block Block is stablized motionless, and relative motion is generated between fixture block and bull stick under the action of bar rotation, so bar rotation pair Supporting rod does not influence.When grinding head polishing bump, the first electromagnet can be continuously applied permanent magnet magnetive attraction, i.e. grinding head After meeting is forced downwards, therefore grinding head polishes off one layer of bump, grinding head will continue to decline, to which grinding head continues to beat Grind next layer of bump.After the completion of protrusion is polished, stop driving portion, the power-off of the first electromagnet.Since elastic component is in Elastic deformation, therefore elastic component can be to the flexible restoring force of bull stick, to which elastic component can drive bull stick to be moved upwardly until Supporting rod and convex block reset.

The advantageous effect of this base case is：The utility model is corresponded to by the way that convex block, sleeve are arranged on bull stick side wall The position of convex block is equipped with the strip-shaped hole moved up and down for convex block so that when sleeve rotates, the side of strip-shaped hole can push block to transport It is dynamic, to push rotating bar and grinding head to rotate.Meanwhile by the way that annular collar, supporting rod, permanent magnet and the first electromagnetism is arranged Iron so that when the first electromagnet drives supporting rod movement, supporting rod drives annular collar movement, to which annular collar drives support Bar and grinding head move downward；And when rotating bar rotation, annular collar rotates therewith, annular groove rotation, and supporting rod does not rotate, and props up Fixture block on strut, which is stablized, to be located in toroidal cavity.The utility model is simple in structure, reasonable design and ingenious, cost-effective, answers It is higher with being worth.This programme drives grinding head to move from top to bottom, and driving portion drives grinding head rotation, and it is right from top to bottom to realize The process that road surface upper protruding block successively polishes can handle bossed body larger on road surface, and the work disposal range of device is larger, answers It is high with value.

Further, it is equipped with cavity in bull stick, water-supply-pipe is equipped in cavity, water-supply-pipe upper end passes through sleeve and is connected with water supply Source, water jet is evenly distributed on the side wall of grinding head, and grinding head is internally provided with the flow pipe of connection water jet and water-supply-pipe.Advantage It is, while polishing protrusion, water body is sprayed through water-supply-pipe and flow pipe from water jet, also uses grinding head rotation To the centrifugal force that water body generates, promotes water body to go out water jet, just the dust generated in bruting process is deposited, significantly The dust flown upward is reduced, dust-proof effect is played, protects working environment, ensured the health of staff.

Further, support portion includes several fixed columns and the adjustable column that is socketed on the outside of fixed column, in the fixed column It is threaded with adjusting ring body, the adjustable column lower end is equipped with being equipped with along edge strip, the regulation ring body for evagination along its periphery With adjustable column lower end and its along the compatible rotation slot of edge strip.The advantage is that adjustable column can be driven by adjusting ring body by rotation It rises or falls, often rotates a bit, adjustable column is bound to that movement in the vertical direction occurs, and degree of regulation is higher, improves The adaptability of device.

Further, dustcloth is respectively connected between each adjacent two fixed column, the both sides up and down of the dustcloth connect respectively It is connected on adjustable column and fixed column, dust exhaust apparatus is equipped in shell.The advantage is that the dust that can be generated to avoid polishing flies everywhere It raises, has handled dust well, reduce dust pollution, protect working environment, ensured the health of staff.

Further, the second electromagnet identical with magnetic pole on the upside of permanent magnet is equipped in the shell at the top of the sliding slot, it is described Current transducer is equipped in the power-on circuit of first electromagnet and the second electromagnet.The advantage is that the second electromagnet can after being powered Magnetic repulsion identical with permanent magnet magnetism is generated, that is, promotes permanent magnet far from the second electromagnet and is moved to the direction of the first electromagnet It is dynamic, be conducive to the operation that moves down for ensureing grinding head, improve grinding efficiency.Current transducer can provide the electric current changed linearly, And the magnetic force of electromagnet is directly proportional to the size of electric current, may make the first electromagnet and the second electromagnet using current transducer Magnetic force changes linearly；When permanent magnet declines, elastic component occurs elastic deformation and generates the pulling force for hindering supporting rod to move down, and this Pulling force increase in a linear relationship with moving down for supporting rod, at this point, cumulative electric current is provided by using current transducer, it can So that the magnetic force of the first electromagnet and the second electromagnet linearly increases, aforementioned pulling force is offset, is conducive to maintain the even of supporting rod Speed declines, and improves polishing effect, improves the stability of device.

Further, the shell upper surface is equipped with level meter.The advantage is that convenient for the levelness of precise adjusting device, carry The polishing effect of high device.

Further, described its short transverse of fixed column upper edge is equipped with scale.The advantage is that making the adjustable range of support portion can It is digitized depending on changing, is more intuitively adjusted action, facility is provided to adjust.

Further, driving portion includes the driving motor being installed on housing top, and the output shaft of the driving motor passes through Housing top is located at enclosure and parallel with sleeve, passes through gear pair between the output shaft and branch sleeve of the driving motor Connection.The advantage is that it is simple in structure, be conducive to the progress of subsequent maintenance work.

Further, the cross section for adjusting ring body is regular hexagon.The advantage is that can be carried out to adjusting ring body by spanner It adjusts, improves the operability of device.

Further, the shell side lower part corresponds to the position of grinding head equipped with transparent observation window.The advantage is that being convenient for Implement position and the function situation of observation grinding head.

Description of the drawings

Fig. 1 is the structural schematic diagram that a kind of road of the utility model polishes constructing device embodiment；

Fig. 2 is the structural schematic diagram of Section A-A in Fig. 1；

Fig. 3 is the structural schematic diagram of section B-B in Fig. 1；

Fig. 4 is the structural schematic diagram of support portion；

Fig. 5 is the structural schematic diagram in the sections C-C in Fig. 4.

Specific implementation mode

The utility model is described in further detail below by specific implementation mode：

Reference sign：Shell 1, support portion 2, ball bearing 3, dust exhaust apparatus 4, sleeve 5, spring 6, bull stick 7, convex block 8, strip-shaped hole 9, grinding head 10, water jet 11, flow pipe 12, water-supply-pipe 13, driving motor 14, gear pair 15, annular collar 16, Supporting rod 17, annular groove 19, sliding block 20, sliding slot 21, permanent magnet 22, the first electromagnet 23, pedestal 24, fixed column 25, is adjusted fixture block 18 Segmented column 26, internal thread 27 adjust ring body 28, external screw thread 29, along edge strip 30, rotation slot 31, dustcloth 32, connector 33, observation Window 34, the second electromagnet 35, level meter 36, scale 37.

As shown in Figure 1, a kind of road polishes constructing device, including shell 1 is equidistantly fixedly mounted on 1 lower end of shell Support portion 2, the cylinder of 1 non-upper end closed lower ending opening of shell.Support portion 2 is equidistantly fixedly mounted on shell including at least two 1 lower end fixed column 25, fixed column 25 is four in the present embodiment, and the lower end of four fixed columns 25, which passes through connector 33, to be fixed and connect It is connected to pedestal 24, fixed column 25 is located at the middle part of pedestal 24.As shown in Figure 4, Figure 5, the outer surface of fixed column 25 is equipped with outer spiral shell Line 29 is arranged in fixed column 25 and adjusts ring body 28, and the inner wall for adjusting ring body 28 is equipped with the internal thread being adapted to external screw thread 29 27, it adjusts ring body 28 and fixed column 25 is threadedly coupled.In the present embodiment, the cross section for adjusting ring body 28 is regular hexagon, is passed through Spanner can be adjusted to adjusting ring body 28, simplify the operation of device.Adjustable column 26, adjustable column are arranged in fixed column 25 26 upper end is fixedly connected on the lower end of shell 1, the lower end of adjustable column 26 be equipped with along its periphery evagination along edge strip 30, that is, adjust 26 lower end of column and its be L-shaped along the cross section structure of edge strip 30, T shapes or L-shaped dependency structure in the present embodiment can meet accordingly The installation requirements at position can support the relative rotation relationship of connection both sides and synchronize to move up and down.It adjusts in ring body 28 Equipped with 26 lower end of adjustable column and its along the compatible rotation slot 31 of edge strip 30, the lower end for adjusting ring body 28 is rotatably connected on rotation In slot 31.Dustcloth 32 is respectively connected between each adjacent two fixed column 25, the both sides up and down of dustcloth 32 are connected to tune On segmented column 26 and fixed column 25.In order to more intuitively be supported the adjustment action in portion 2, its height of 25 upper edge of the fixed column Direction is equipped with scale 37.It can make 2 adjustable range visualization digital of support portion, facility is provided to adjust.

The side wall on the top of shell 1 is equipped with dust exhaust apparatus 4, and the suction inlet of dust exhaust apparatus 4 is located in shell 1.In shell 1 Equipped with workpiece polishing mechanism, workpiece polishing mechanism includes sleeve 5, and sleeve 5 is the cylinder of upper end closed lower ending opening.The side of the upper end of sleeve 5 Ball bearing 3 is fixedly connected on wall, the outer ring of ball bearing 3 is fixedly connected on the roof of shell 1.On the roof of shell 1 It is fixedly connected with driving motor 14, the output shaft of driving motor 14 is located at 1 inside of shell and flat with sleeve 5 across 1 roof of shell Row, is connected between the output shaft and branch sleeve 5 of driving motor 14 by gear pair 15, specifically, the output of driving motor 14 It is fixedly connected with first gear on axis, second gear is arranged on the side wall of sleeve 5, first gear and second gear are mutually nibbled It closes.In order to the levelness of precise adjusting device, 1 upper surface of the shell is equipped with level meter 36.Level is provided for the present apparatus The benchmark of adjusting is convenient for the levelness of precise adjusting device, and next excellent basis is beaten for the work of device.

As shown in Figure 2 and Figure 3, bull stick 7 is equipped in sleeve 5, bull stick 7 is cylindrical bar, the roof of the upper end and sleeve 5 of bull stick 7 Between be connected with elastic component, elastic component is spring 6 in the present embodiment.The lower end of spring 6 is fixedly connected on the roof of bull stick 7, The upper end of spring 6 is fixedly connected on the roof of sleeve 5.The convex block of outwardly convex is fixedly connected on the side wall on 7 top of bull stick 8, convex block 8 is slidably connected in the strip-shaped hole 9 of sleeve 5, and the outer end of convex block 8 is located at outside sleeve 5, and under natural conditions, bull stick 7 is in bullet Convex block 8 is set to be located at the upper end of strip-shaped hole 9 under the elastic force effect of spring 6.Bull stick 7, which is located on the side wall of 5 lower section of sleeve, to be fixedly connected with Annular collar 16 offers toroidal cavity in annular collar 16, offers on the side wall of annular collar 16 and be connected to toroidal cavity Annular groove 19 in, slidably connect several sliding blocks 20 in toroidal cavity, 20 quantity of sliding block is four in the present embodiment, two neighboring The angle that the axle center of sliding block 20 and bull stick 7 is formed is 90 degree.The area that the volume of fixture block 18 is more than annular groove 19 makes fixture block 18 can not It is detached from annular groove 19.Horizontally disposed supporting rod 17, supporting rod 17 and fixture block 18 have been fixedly connected on each fixture block 18 It is mutually perpendicular to, opposite two supporting rods 17 are located on same level straight line.The one end of supporting rod 17 far from fixture block 18, which is fixed, to be connected It is connected to sliding block 20, the sliding slot 21 slided up and down for sliding block 20 is offered on the inner wall of shell 1, sliding block 20 is slidably connected at sliding slot 21 It is interior.The upper end of sliding slot 21 is fixedly connected with the second electromagnet 35, and the lower end of sliding slot 21 is fixedly connected with the first electromagnet 23, sliding block Permanent magnet 22 is fixedly connected in 20, permanent magnet 22 is identical as the magnetism of the first electromagnet 23, permanent magnet 22 and the second electromagnet 35 magnetism is conducive to maintain on the contrary, equipped with current transducer in the power-on circuit of the first electromagnet 23 and the second electromagnet 35 The uniform descent of supporting rod 17 improves polishing effect, improves the stability of device.Under natural conditions, bull stick 7 is in 6 elastic force of spring Under the action of so that sliding block 20 is located at the top of sliding slot 21.The lower end of bull stick 7 is fixedly connected with grinding head 10, the following table of grinding head 10 Face is frosting, in the present embodiment, the length of sliding slot 21, the length of strip-shaped hole 9 with the maximum lifting travel of grinding head 10 It is equal.Several water jets 11 are circumferentially evenly equipped on the side wall of grinding head 10, the inside of bull stick 7 offers cavity, accommodated in cavity There are water-supply-pipe 13,13 upper end of water-supply-pipe to be located at outside sleeve 5 across 5 roof of sleeve, the upper end of water-supply-pipe 13 is connected with watering, defeated The lower end of water pipe 13 is located in grinding head 10, and grinding head 10 is internally provided with the flow pipe of connection water jet 11 and 13 lower end of water-supply-pipe 12.The position that 1 lower sides of shell correspond to grinding head 10 is equipped with transparent observation window 34, and observation window 34 is located at two neighboring sliding slot Between 21, it is convenient for observing position and the function situation of grinding head 10 when work.

When it is implemented, the pedestal 24 of 25 lower end of fixed column is placed on the road surface position for needing locally to polish first.So Support portion 2 is adjusted according to the horizontal reference of level meter 36 until level meter 36 shows level afterwards.The specific adjustment process of support portion 2 For：It is clamped with spanner and adjusts the lateral surface of ring body 28 and then turn so that adjusted ring body 28 and rise or decline, adjusted to drive Segmented column 26 is lifted.Then, the first electromagnet 23 and the second electromagnet 35 are powered, and current transducer offer changes linearly Electric current, permanent magnet 22 in sliding block 20 by the first electromagnet 23 and the second electromagnet 35 magneticaction.First electromagnet 23 Magnetic attraction is generated to permanent magnet 22, the second electromagnet 35 generates magnetic repulsion to permanent magnet 22, and wherein magnetic attraction and magnetic repulsion is in electricity It is changed linearly under the action of flow transmitter, therefore sliding block 20 drives supporting rod 17 to move straight down.Supporting rod 17 passes through ring Shape lasso 16 drives bull stick 7 and grinding head 10 to move downward, and convex block 8 moves down in strip-shaped hole 9, and spring 6 continues to stretch. When the lower surface of grinding head 10 touches the top of road surface upper process object, grinding head 10 can stop declining.Then start driving Motor 14 opens watering.Driving motor 14 is rotated by first gear and second gear band moving sleeve 5, the bar shaped on sleeve 5 Hole 9 pushes convex block 8 to be rotated, to which convex block 8 drives bull stick 7 and grinding head 10 to rotate.The frosted of the lower surface of grinding head 10 Bump in face of ground carries out polishing processing.When sliding block 20 is moved to the bottom of sliding slot 21, convex block 8 is located at strip-shaped hole 9 The lower surface of lower end, grinding head 10 just fits in level road, well polishes the bump on road surface.In polishing bump When, water is delivered to water jet 11 by watering by water-supply-pipe 13 and flow pipe 12, and water is sprayed from water jet 11.Meanwhile Grinding head 10, which rotates, can be such that the water generation centrifugal force in water jet 11 is sprayed to promote water to be sprayed from water jet 11 Water the dust in bruting process is precipitated, and dust can obstruct model between four fixed columns 25 by dustcloth 32 In enclosing, greatly reduce the dust flown upward, escape on a small quantity the dust that flies upward can also 1 top of inside and outside shell the absorption of dust exhaust apparatus 4.Road surface Bump be smoothed after, close watering, stop driving motor 14 and dust exhaust apparatus 4, to which grinding head 10 stops operating. Then the first electromagnet 23 and the second electromagnet 35 are powered off, bull stick 7 and grinding head 10 carry out rising again under the action of spring 6 Position, makes convex block 8 be located at 9 upper end of strip-shaped hole, sliding block 20 is located at 21 upper end of sliding slot.

Above-described is only the embodiments of the present invention, and the common sense such as well known concrete structure and characteristic are herein in scheme It does not describe excessively.It should be pointed out that for those skilled in the art, in the premise for not departing from the utility model structure Under, several modifications and improvements can also be made, these should also be considered as the scope of protection of the utility model, these are not all interfered with The effect and patent practicability that the utility model is implemented.This application claims protection domain should be with the content of its claim Subject to, the records such as specific implementation mode in specification can be used for explaining the content of claim.

Claims (10)

1. a kind of road polishes constructing device, include the shell of lower ending opening, shell lower end is equipped with support portion, is equipped with and beats in shell Grinding machine structure, it is characterised in that：Workpiece polishing mechanism includes the driving of the sleeve and the driving sleeve rotation of rotation connection on the shell Portion, sleeve is interior to be equipped with bull stick, and bull stick side wall is equipped with convex block, and sleeve lateral wall is equipped with the strip-shaped hole slided up and down for convex block, turns Elastic component is fixedly connected on bar, elastic component upper end is fixedly connected on sleeve, and bull stick is located on the side wall below sleeve fixed It is connected with annular collar, toroidal cavity is equipped in annular collar, offer on the side wall of annular collar and be connected to toroidal cavity Annular groove slidably connects several fixture blocks in toroidal cavity, horizontally disposed supporting rod is fixedly connected on fixture block, supporting rod passes through Annular groove, the one end of supporting rod far from fixture block are fixedly connected with sliding block, the cunning slided up and down for sliding block are offered on the inner wall of shell Slot, sliding slot lower end are equipped with the first electromagnet, are equipped with permanent magnet in sliding block, permanent magnet close to the side of the first electromagnet magnetic pole with The magnetic pole of first electromagnet is on the contrary, the lower end of bull stick is fixedly connected with the grinding head for being useful for polishing.

2. road according to claim 1 polishes constructing device, it is characterised in that：It is equipped with cavity in bull stick, is set in cavity There are water-supply-pipe, water-supply-pipe upper end to pass through sleeve and be connected with watering, water jet, grinding head are evenly distributed on the side wall of grinding head It is internally provided with the flow pipe of connection water jet and water-supply-pipe.

3. road according to claim 1 polishes constructing device, it is characterised in that：Support portion include several fixed columns and The adjustable column being socketed on the outside of fixed column is threaded with adjusting ring body, described its week of adjustable column lower end edge in the fixed column Side is equipped with being equipped with along edge strip, in the regulation ring body with adjustable column lower end and its along the compatible rotation slot of edge strip of evagination.

4. road according to claim 2 polishes constructing device, it is characterised in that：Connect between each adjacent two fixed column It is connected to dustcloth, the both sides up and down of the dustcloth are connected on adjustable column and fixed column, and dust exhaust apparatus is equipped in shell.

5. road according to claim 2 polishes constructing device, it is characterised in that：It is equipped in shell at the top of the sliding slot It is equipped with electricity in the power-on circuit of the second electromagnet identical with magnetic pole on the upside of permanent magnet, first electromagnet and the second electromagnet Flow transmitter.

6. road according to claim 2 polishes constructing device, it is characterised in that：The shell upper surface is equipped with level Instrument.

7. road according to claim 3 polishes constructing device, it is characterised in that：Described its short transverse of fixed column upper edge Equipped with scale.

8. road according to claim 3 polishes constructing device, it is characterised in that：Driving portion includes being installed on housing top On driving motor, the output shaft of the driving motor is located at enclosure and, the drive parallel with sleeve across housing top It is connected by gear pair between the output shaft and branch sleeve of dynamic motor.

9. road according to claim 3 polishes constructing device, it is characterised in that：The cross section for adjusting ring body is positive six side Shape.

10. road according to claim 4 polishes constructing device, it is characterised in that：The shell side lower part corresponds to and beats The position of bistrique is equipped with transparent observation window.