CN216228428U

CN216228428U - Curb retreading machine

Info

Publication number: CN216228428U
Application number: CN202122792073.7U
Authority: CN
Inventors: 杨培华
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-04-08
Anticipated expiration: 2031-11-16

Abstract

The utility model relates to a curb retreading machine, and belongs to the field of urban road infrastructure. Comprises a chassis for bearing all components of the kerbstone retreading machine; the driving wheel assembly is arranged below the front end of the chassis; the kerbstone vertical grinding head is arranged on the vertical grinding head seat plate on the left side of the rear part of the chassis; the upper plane of the kerbstone and the fillet grinding head are arranged on the upper plane on the right side of the rear part of the chassis and the fillet grinding head seat plate; the dust removal assembly is arranged above the middle part of the chassis through a dust remover bracket; the hand-push operating rod is arranged above the tail part of the chassis; the electric appliance control disc is arranged in the middle of the hand-push operating rod; the grinding vertical surface positioning wheel is arranged on the left side edge of the rear part of the chassis; the grinding surface and the fillet positioning wheel are arranged on the right side edge of the rear part of the chassis; the dust collecting hood is arranged above the grinding head; and correcting the inclined curb by the first curb corrector and the second curb corrector. Has the advantages that: novel structure, high repair efficiency, low cost and good repair effect. Has great economic and social benefits.

Description

Curb retreading machine

Technical Field

The utility model relates to the field of urban road infrastructure, in particular to a curb repairing and renewing machine, and particularly relates to a curb renewing machine.

Background

A curb is a monument that is placed between a road surface and another structure. The main roles of the kerbstone are two: firstly, the vehicles are limited to only run on the lanes, so that people and vehicles are separated, and the sight is induced; secondly, the centralized drainage, the variety of the curb is many, there are precast concrete curb, brick curb, stone curb which mark the road edge class, in addition, there is synthetic resin curb which carries on the fuzzy treatment to the curb. Curb stones are generally required to be arranged between a partition strip and a road surface of an urban road and between a sidewalk and the road surface, the curb stones are usually required to be arranged at the edge of a central partition strip of the road, the edge of the right side of a traffic lane or the edge of the outer edge of a road shoulder, and the curb stones are arranged at the boundary of the lane and the sidewalk, the boundary of the road surface and a green land and the boundary of different paved roads for ensuring the safety of pedestrians and the road surface, carrying out traffic induction, retaining water and soil, protecting plants, distinguishing pavement and the like.

In the urban construction of creating tourist vacation areas, creative landscapes, special towns, civilized cities, health-care cities, lead screw happiness and the like in China, street road conditions are the first visual senses of tourists. The method has the advantages that the road is wide and flat, each surface of the kerbstone is flat, the seam width is uniform, the pointing is dense, the lines are straight and smooth, the curve is smooth, the stone surface texture is clear and smooth, and the modernization level of the construction management and the maintenance of the urban scenic spot is visually shown.

Over time, the curb is affected by natural environment, external force and wind and rain, and the curb is inclined forward and backward, and has no straight line and dirty stone surface. The occurrence of such conditions and phenomena requires the repair, renovation or replacement of the kerbstones.

At present, the kerbstone is generally repaired and renovated by manual correction and polishing by an angle grinder. Low working efficiency, poor quality, environmental pollution, high labor intensity, high repair cost and higher replacement cost. And too long maintenance time causes great influence to road traffic. Improvements are needed.

Disclosure of Invention

The utility model aims to provide a curb retreading machine, which solves the problems in the prior art. The utility model has novel structure, high repairing efficiency, low cost and good repairing effect. Has great economic and social benefits.

The above object of the present invention is achieved by the following technical solutions:

the kerbstone retreading machine comprises a chassis 1, a driving wheel assembly 2, a kerbstone vertical face grinding head 3, a kerbstone upper plane and fillet grinding head 4, a dust removal assembly 5, a hand-push operating rod 6, an electric appliance operating panel 7, a grinding vertical face positioning wheel 8, a grinding upper face and fillet positioning wheel 9, a dust collection cover 10, a universal tail wheel 11, a first kerbstone corrector 12 and a second kerbstone corrector 13; the chassis 1 is formed by welding square pipes and bears all components of the curb retreading machine; the driving wheel assembly 2 is arranged below the front end of the chassis 1; the kerbstone vertical face grinding head 3 is used for grinding the kerbstone vertical face and is arranged on a vertical face grinding head seat plate 1.3 on the left side of the rear part of the chassis 1; the upper plane and the fillet grinding head 4 of the kerbstone realize the grinding of the upper plane and the fillet of the kerbstone and are arranged on the upper plane and the fillet grinding head seat plate 1.5 on the right side of the rear part of the chassis 1; the dust removal assembly 5 is arranged above the middle part of the chassis 1 through a dust remover bracket 5.8; the hand-push operating rod 6 is arranged above the tail part of the chassis 1; the electric appliance control disc 7 is arranged in the middle of the hand-push operating rod 6; the grinding elevation positioning wheel 8 realizes the positioning of the elevation diamond roller and the curb elevation during grinding the elevation and is arranged in a grinding elevation positioning wheel mounting hole 1.2 on the left side of the rear part of the chassis 1; the grinding surface and fillet positioning wheel 9 realizes the positioning of the position of the fillet diamond grinding wheel and the vertical surface of the curb when grinding the upper surface and the fillet, and is arranged on the grinding surface on the right side of the rear part of the chassis 1 and in the mounting hole 1.4 of the fillet positioning wheel; the dust cage 10 is arranged above the kerbstone elevation grinding head 3, the kerbstone upper plane and the fillet grinding head 4; the universal tail wheel 11 is arranged below the tail part of the chassis; the first curb straightener 12 corrects a curb which is inclined forwards; and the second curb straightener 13 corrects a curb which is inclined backwards.

The driving wheel assembly 2 is as follows: the power differential shaft 2.1 is assembled with the driving wheel axle plate 2.2 through the U-shaped pressing plate 2.3, rubber wheels 2.11 are installed at two ends of the power differential shaft 2.1, a central shaft 2.4 is welded in the middle of the driving wheel axle plate 2.2, the central shaft 2.4 is installed in an axle plate installation central hole 1.9 at the front end of the chassis, and the driving wheel assembly 2 can swing left and right around the central shaft 2.4 at a swinging angle of +/-5 degrees; the swing angle is adjusted through driving the axle plate 2.2, and is pressed and fixed by a quick pressing screw 2.10; the height adjusting threaded sleeves 2.8 are screwed in threaded holes at two ends of the driving wheel axle plate 2.2, the height of the front end of the chassis 1 from the ground is adjusted through the height adjusting threaded sleeves 2.8, and the front end of the chassis 1 is locked and fixed by round nuts 2.9.

The kerbstone elevation grinding head 3 adopts a cylindrical elevation diamond grinding roller 3.13, and a bus of the cylindrical elevation diamond grinding roller is tangent to the kerbstone elevation; the curb stone vertical face grinding head 3 is integrally installed on a vertical face grinding head vertical shaft 3.4, the lower end of the vertical face grinding head vertical shaft 3.4 is installed on a vertical face seat head seat plate 1.3 of the chassis 1 through two bearings with seats 3.14, the upper end of the vertical face grinding head vertical shaft 3.4 is installed on a vertical shaft fixing cross beam 1.8 of the chassis 1 through a vertical angle adjuster 3.2, and the verticality between a vertical face grinding head main shaft 3.7 and a road surface is adjusted through shortening or lengthening of the vertical angle adjuster 3.2; adjusting the gap between the lower end surface of the facade diamond grinding roller 3.13 and the ground through a height adjusting screw 3.5; the curb elevation grinding head 3 can rotate on an elevation grinding head vertical shaft 3.4 by an angle, a diamond grinding roller rotating at a high speed is pressed to the curb elevation under the action of a spring 3.18, and the machine moves forwards at a constant speed and grinds the curb elevation.

The upper plane and the fillet grinding head 4 of the kerbstone are as follows: the outer ends of the left end cover and the right end cover of the upper plane and the fillet grinding head motor 4.18 are provided with cylindrical surfaces as supporting shafts of the grinding head support 4.3, the base of the upper plane and the fillet grinding head motor 4.18 is fixed on the upper plane of the chassis 1 and the fillet grinding head seat plate 1.5, and the axes of the upper plane and the fillet grinding head motor 4.18 are parallel to the upper plane of the curb and are vertical to the vertical surface of the curb; the left and right ends of the grinding head support 4.3 are respectively connected with a rotating sliding sleeve 4.17 which is sleeved on the supporting shafts of the grinding head support 4.3 at the two ends of the upper plane and the fillet grinding head motor 4.18, the rear end is connected with a main shaft supporting sleeve 4.15, and the grinding head support 4.3 is provided with a lifting handle 4.11.

Two ends of an inner hole of the main shaft support sleeve 4.15 are provided with a second bearing 4.14, an inner hole of the second bearing 4.14 is provided with a main shaft 4.12, the left end of the main shaft 4.12 is provided with a second synchronous belt pulley 4.16, and the right end is provided with a fillet diamond grinding wheel 4.20 and an upper plane diamond grinding roller 4.19; the plane above the main shaft 4.12 and the axis of the round corner grinding head motor 4.18 are taken as the center to freely swing up and down; a second synchronous belt pulley 4.16 is arranged on an output shaft of an upper plane and fillet grinding head motor 4.18 to drive the second synchronous belt pulley 4.16 arranged at the left end of a main shaft 4.12, power is transmitted to the main shaft 4.12, a fillet diamond grinding wheel 4.20 arranged on the main shaft 4.12 and an upper plane diamond grinding roller 4.19 rotate at a high speed, and the grinding operation is carried out on the upper plane and the fillet of the kerbstone while the machine moves forwards at a constant speed.

The outer edge of the right end of the main shaft support sleeve 4.15 is provided with a first bearing 4.9, and the outer sleeve 4.1 is arranged on the first bearing 4.9; the outer sleeve is connected with an eccentric shaft sleeve 4.4 through two wing plates 4.2, an eccentric shaft 4.6 is arranged in the eccentric shaft sleeve 4.4, and a grinding quantity adjusting limiting wheel 4.7 is arranged at the front end of the eccentric shaft; and the grinding depth of the upper plane diamond grinding roller 4.19 to the upper plane of the kerbstone is controlled by adjusting the eccentric angle of the eccentric shaft, and the feeding adjustment amount is 0-8 mm.

The dust removal assembly 5 is as follows: a fan impeller 5.2 is arranged on an output shaft of a dust removal motor 5.3, the dust removal motor 5.3 is arranged at the upper end of a centrifugal dust remover main body 5.5 through a flange, an air inlet 5.1 of the centrifugal dust remover is connected with a dust collection cover 10, an air outlet 5.6 of the centrifugal dust remover is connected with a bag-type dust remover 5.4, the lower end of the centrifugal dust remover main body 5.5 is connected with a dust collection barrel 5.7, and the centrifugal dust remover main body 5.5 is integrally arranged above the middle part of a chassis 1 through a dust remover bracket 5.8; the dust cage 10 is arranged above the kerbstone vertical grinding head 3, the kerbstone upper plane and the fillet grinding head 4 and is fixed on the chassis through a bracket.

The first curb straightening device 12 is: the straightener main body 12.7 is formed by welding square tubes, a backup plate 12.9 is welded above the front end, a fulcrum shaft 12.8 is welded below the front end, a nut 12.5 is welded at the tail part of the rear end, a screw 12.4 is screwed into the nut 12.5, a pressure foot 12.1 is arranged on a thrust bearing 12.2 at the bottom end of the screw 12.4 and a retainer ring 12.3, and a crank handle 12.6 is arranged at the top end; the fulcrum shaft 12.8 below the front end of the straightener is inserted into a prefabricated process hole in front of the curb which is inclined forward, the backup plate 12.9 is propped on the vertical surface of the curb, the hand crank 12.6 is shaken to enable the screw 12.4 to move downwards, pressure is applied to the ground through the pressure foot 12.1, and the counterforce is amplified through the lever force so as to centralize the curb.

The second curb straightener 13 is formed by connecting a lever 13.1 and a hook 13.2 through a hinge, the front end of the lever 13.1 is propped against the bottom of the vertical face of the curb, the hook 13.2 is hung at the upper end of the rear face of the curb, and the curb can be easily righted by pressing down the rear end of the lever 13.1.

The utility model has the beneficial effects that: the chassis of the utility model bears all components of the kerbstone retreading machine; the electric walking, uniform speed advancing and pushing operation are realized through the driving wheel assembly; the kerbstone vertical face grinding head grinds the kerbstone vertical face; the upper plane and the fillet grinding head of the kerbstone realize the grinding of the upper plane and the fillet of the kerbstone; the dust removal assembly realizes the collection and treatment of dust generated in the grinding process, and fundamentally solves the problem of environmental pollution in the prior art. The operating rod is pushed by a hand to realize the pushing and the operation of the kerbstone retreading machine by workers; the electrical appliance control panel controls the kerbstone retreading machine to walk, the vertical face grinding head to run, the upper plane and fillet grinding head to run and the dust remover assembly to run; the vertical face grinding positioning wheel realizes the positioning of the vertical face diamond grinding roller and the vertical face of the curb when the vertical face is ground; the grinding surface and the fillet positioning wheel realize the positioning of the diamond grinding wheel for grinding the fillet and the vertical surface of the curb when grinding the surface and the fillet; the dust collecting cover collects and conveys dust generated by grinding to the dust remover; the tail wheel assists in controlling the direction of walking; the first curb straightener corrects the forward deflection of the curb; the second curb straightener corrects the backward deflection of the curb; both orthotics are the essential aids to carry at random. The whole concept of the machine is novel, the structure is simple, and the use is convenient. High repairing efficiency, low cost and good repairing effect. Has great economic and social benefits.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model.

FIG. 1 is a schematic top view of the present invention;

FIG. 2 is a schematic sectional view A-A of FIG. 1;

FIG. 3 is a schematic view of FIG. 1 taken along line B;

FIG. 4 is a schematic top view of the base plate of the present invention;

FIG. 5 and FIG. 6 are side views of the chassis of the present invention;

FIG. 7 is a schematic structural diagram of a driving wheel assembly of the present invention;

FIG. 8 is a schematic cross-sectional view B-B of FIG. 7;

fig. 9 and 10 are schematic structural views of the kerb vertical face grinding head of the utility model;

fig. 11 and 12 are schematic structural views of a flat and round corner grinding head on a kerbstone according to the utility model;

FIG. 13 is a schematic structural view of a dust extraction assembly of the present invention;

fig. 14 and 15 are schematic structural views of a first curb straightening device of the utility model;

fig. 16 is a schematic structural view of a second curb straightener of the present invention.

In the figure: 1. a chassis; 1.1, driving wheel fixing plates; 1.2, grinding a mounting hole of a vertical face positioning wheel; 1.3, a vertical face grinding head seat plate; 1.4, grinding the upper surface and mounting holes of the fillet positioning wheel; 1.5, an upper plane and a fillet grinding head seat plate; 1.6, universal tail wheels; 1.8, fixing a cross beam by a vertical shaft; 1.9, mounting a central hole on the bridge plate; 2. a drive wheel assembly; 2.1, a power differential shaft; 2.2, driving the axle plate; 2.3, a U-shaped pressing plate; 2.4, a central shaft; 2.8, adjusting the height of the screw sleeve; 2.9, round nuts; 2.10, quickly pressing the screw; 2.11, rubber wheels; 3. a kerbstone facade grinding head; 3.1, a vertical face grinding head motor; 3.2, a vertical angle adjuster; 3.4, vertical shaft of vertical face grinding head; 3.5, a height adjusting screw; 3.6, a vertical face grinding head framework; 3.7, a vertical face grinding head main shaft; 3.8, a synchronous pulley I; 3.13, a facade diamond grinding roller; 3.14, a bearing with a seat; 3.18, a spring; 4. A curb upper plane and a rounded grinding head; 4.1, coating; 4.2, wing plates; 4.3, a grinding head bracket; 4.4, eccentric shaft sleeve; 4.6, a confidence axis; 4.7, adjusting the grinding amount of the limiting wheel; 4.9, bearing I; 4.11, a lifting handle; 4.12, a main shaft; 4.14, bearing II; 4.15, a main shaft supporting sleeve; 4.16, a second synchronous pulley; 4.17, rotating the sliding sleeve; 4.18, an upper plane and a round corner grinding head motor; 4.19, an upper plane diamond grinding roller; 4.20, a round-corner diamond grinding wheel; 5. a dust removal assembly; 5.1, an air inlet of a centrifugal dust remover; 5.2, a fan impeller; 5.3, a dust removal motor; 5.4, a bag-type dust collector; 5.5, a centrifugal dust remover main body; 5.6, air outlet of the centrifugal dust remover; 5.7, a dust collection barrel; 5.8, a dust remover bracket; 6. pushing the operating rod; 7. an electrical appliance control panel; 8. grinding a vertical face positioning wheel; 9. grinding the upper surface and the fillet positioning wheel; 10. a dust collection cover; 11. a universal tail wheel; 12. a first curb straightener; 12.1, a presser foot; 12.2, a thrust bearing; 12.3, a check ring; 12.4, a screw rod; 12.5, a nut; 12.6, a hand crank; 12.7, an appliance body; 12.8, a fulcrum shaft; 12.9, a backup plate; 13. a second curb straightener; 13.1, a lever; 13.2, and hooking.

Detailed Description

The details of the present invention and its embodiments are further described below with reference to the accompanying drawings.

Referring to fig. 1 to 16, the kerb renewing machine of the present invention includes: the device comprises a chassis 1, a driving wheel assembly 2, a kerbstone vertical face grinding head 3, a kerbstone upper plane and fillet grinding head 4, a dust removal assembly 5, a hand-push operating rod 6, an electric appliance control panel 7, a grinding vertical face positioning wheel 8, a grinding upper face and fillet positioning wheel 9, a dust collection cover 10, a universal tail wheel 11, a first kerbstone corrector 12 and a second kerbstone corrector 13. The chassis 1 is formed by welding square pipes and bears all components of the curb retreading machine; the driving wheel assembly 2 realizes electric walking and uniform speed advancing and is arranged below the front end of the chassis 1; the kerbstone vertical face grinding head 3 is used for grinding the kerbstone vertical face and is arranged on a vertical face grinding head seat plate 1.3 on the left side of the rear part of the chassis 1; the upper plane and the fillet grinding head 4 of the kerbstone realize the grinding of the upper plane and the fillet of the kerbstone and are arranged on the upper plane and the fillet grinding head seat plate 1.5 on the right side of the rear part of the chassis 1; the dust collection assembly 5 collects dust generated in the grinding process, and the dust collection assembly 5 is arranged above the middle part of the chassis 1 through a dust collector bracket 5.8; the hand-push operating rod 6 is used for a worker to push and control the kerbstone retreading machine and is arranged above the tail part of the chassis 1; the electric appliance control panel 7 adopts a standard electric appliance controller sold in the market, is arranged in the middle of the hand-push operating rod 6 and is used for controlling the walking of the kerbstone retreading machine, the operation of the vertical face grinding head of the kerbstone, the operation of the upper plane of the kerbstone and the operation of the fillet grinding head; the grinding elevation positioning wheel 8 realizes the positioning of the elevation diamond roller and the curb elevation during grinding the elevation and is arranged in a grinding elevation positioning wheel mounting hole 1.2 on the left side of the rear part of the chassis 1; the grinding surface and fillet positioning wheel 9 realizes the positioning of the position of the fillet diamond grinding wheel and the vertical surface of the curb when grinding the upper surface and the fillet, and is arranged on the grinding surface on the right side of the rear part of the chassis 1 and in the mounting hole 1.4 of the fillet positioning wheel; the dust collection cover 10 collects dust generated by grinding and conveys the dust to the dust remover, and is arranged above the kerbstone vertical face grinding head 3, the kerbstone upper plane and the fillet grinding head 4; the universal tail wheel 11 assists the walking control direction and is arranged below the tail part of the chassis; the first curb straightener 12 achieves the straightening of the forward skew curb; and the second curb straightener 13 realizes the correction of the curb which is inclined backwards.

Referring to fig. 1 to 6, the chassis 1 is formed by welding square pipes and bears all components of the kerb stone retreading machine, a bridge plate mounting central hole 1.9 is arranged in the middle of the front end of the chassis 1, and a driving wheel fixing plate 1.1 is welded on each of two sides of the chassis 1; the middle part of the chassis is provided with a dust removal assembly 5; a vertical shaft fixing cross beam 1.8 is transversely welded above the upper plane and the fillet grinding head seat plate 1.5; the rear end of the chassis is welded with a universal tail wheel frame 1.6 and is provided with a universal tail wheel 11, the upper edges of two sides of the rear end of the chassis are welded with hand-push operating rods 6, an electric appliance control disc 7 is arranged in the middle of the hand-push operating rods, and a dust collection cover 10 is arranged above the rear part of the chassis.

Referring to fig. 7 and 8, the driving wheel assembly 2 realizes electric walking, uniform speed traveling and pushing operations; the power differential shaft 2.1 is assembled with the driving axle plate 2.2 through a U-shaped pressure plate 2.3, and rubber wheels 2.11 are arranged at two ends of the power differential shaft 2.1; the center shaft 2.4 is welded in the middle of the driving wheel axle plate 2.2, the center shaft 2.4 is installed in an axle plate installation center hole 1.9 at the front end of the chassis, and the driving wheel assembly 2 can swing left and right around the center shaft 2.4 at a swing angle of +/-5 degrees. Swinging 5 degrees to the left to make the machine move forward and approach the left curb vertical surface to the left, and positioning by the left grinding vertical surface positioning wheel 8. And the vertical face grinding head 3 grinds the vertical face of the curb on the left side while moving forwards at a constant speed. Swing 5 degrees to the right and can be close to the right curb facade while making the machine move ahead, by the mill face and the fillet locating wheel 9 location on right side. While moving ahead at uniform speed, the upper plane of the kerbstone and the fillet grinding head 4 grind the upper plane and the fillet of the kerbstone. The swing angle is adjusted through driving the axle plate 2.2, and is pressed and fixed by a quick pressing screw 2.10; the height adjusting threaded sleeves 2.8 are screwed in threaded holes at two ends of the driving wheel axle plate 2.2, the height of the front end of the chassis 1 from the ground is adjusted through the height adjusting threaded sleeves 2.8, and the front end of the chassis 1 is locked and fixed by round nuts 2.9.

Referring to fig. 9 and 10, the kerbstone vertical grinding head 3 grinds the kerbstone vertical surface; the kerbstone elevation grinding head 3 adopts a cylindrical elevation diamond grinding roller 3.13, and a bus of the grinding roller is tangent to the kerbstone elevation; the curb stone vertical face grinding head 3 is integrally installed on a vertical face grinding head vertical shaft 3.4, the lower end of the vertical face grinding head vertical shaft 3.4 is installed on a vertical face seat head seat plate 1.3 of the chassis 1 through two bearings with seats 3.14, the upper end of the vertical face grinding head vertical shaft 3.4 is installed on a vertical shaft fixing cross beam 1.8 of the chassis 1 through a vertical angle adjuster 3.2, and the verticality between a vertical face grinding head main shaft 3.7 and a road surface is adjusted through shortening or lengthening of the vertical angle adjuster 3.2; adjusting the gap between the lower end surface of the facade diamond grinding roller 3.13 and the ground through a height adjusting screw 3.5; the curb elevation grinding head 3 can rotate on an elevation grinding head vertical shaft 3.4 by an angle, a diamond grinding roller rotating at a high speed is pressed to the curb elevation under the action of a spring 3.18, and the machine moves forwards at a constant speed and grinds the curb elevation.

The vertical shaft 3.4 of the vertical face grinding head is an inverted T-shaped shaft with a transverse shaft at the lower end, two ends of the transverse shaft at the lower end are arranged between two bearings 3.14 with seats, and the bearings 3.14 with seats are fixed on a seat plate 1.3 of the vertical face grinding head; the upper end of a vertical shaft 3.4 of the vertical face grinding head is arranged on a vertical shaft fixing cross beam 1.8, and the vertical shaft fixing cross beam 1.8 is welded on the chassis 1. The vertical shaft fixing beam 1.8 is provided with a vertical angle adjuster 3.2, and the vertical angle adjuster 3.2 can be shortened or prolonged, so that the vertical face grinding head 3 of the kerbstone takes the transverse shaft at the lower end of the vertical shaft 3.4 of the vertical face grinding head as the center, and the verticality of the main shaft 3.7 of the vertical face grinding head is adjusted, so that the vertical face grinding head is suitable for grinding the vertical face of the kerbstone. The vertical face grinding head framework 3.6 is arranged on a vertical shaft 3.4 of the vertical face grinding head through vertical shaft holes on upper and lower supporting square tubes and can be placed by taking the vertical shaft 3.4 of the vertical face grinding head as the center. Under the action of the tension of the spring 3.18, the diamond grinding roller always leans against the vertical surface of the kerbstone to carry out grinding operation. The clearance between the lower end of the facade diamond grinding roller 3.13 and the road surface can be accurately adjusted through a height adjusting screw 3.5 above the facade grinding head framework 3.6. A vertical face grinding head motor 3.1 arranged at the rear end of the vertical face grinding head framework 3.6 transmits power to a vertical face grinding head main shaft 3.7 through a synchronous belt pulley I3.8, a vertical face diamond grinding roller 3.13 is arranged on the vertical face grinding head main shaft 3.7, and a driving wheel assembly is driven to move forwards at a constant speed through high-speed rotation of the vertical face grinding head motor 3.1, so that the grinding of the vertical face of the kerbstone is realized.

Referring to fig. 11 and 12, the upper plane and rounded corner grinding head 4 of the kerbstone grinds the upper plane and rounded corner of the kerbstone; is arranged on the upper plane and the fillet grinding head seat plate 1.5 above the right side of the back part of the chassis 1. The outer ends of the left end cover and the right end cover of the upper plane and the fillet grinding head motor 4.18 are provided with cylindrical surfaces as supporting shafts of the grinding head support 4.3, the base of the upper plane and the fillet grinding head motor 4.18 is fixed on the upper plane of the chassis 1 and the fillet grinding head seat plate 1.5, and the axes of the upper plane and the fillet grinding head motor 4.18 are parallel to the upper plane of the curb and are vertical to the vertical surface of the curb; the left and right ends of the grinding head support 4.3 are respectively connected with a rotating sliding sleeve 4.17 which is sleeved on the supporting shafts of the grinding head support 4.3 at the two ends of the upper plane and the fillet grinding head motor 4.18, the rear end is connected with a main shaft supporting sleeve 4.15, and the grinding head support 4.3 is provided with a lifting handle 4.11.

Two ends of an inner hole of the main shaft support sleeve 4.15 are provided with a second bearing 4.14, an inner hole of the second bearing 4.14 is provided with a main shaft 4.12, the left end of the main shaft 4.12 is provided with a second synchronous belt pulley 4.16, and the right end is provided with a fillet diamond grinding wheel 4.20 and an upper plane diamond grinding roller 4.19; the plane above the main shaft 4.12 and the axis of the round corner grinding head motor 4.18 are taken as the center to freely swing up and down so as to adapt to the grinding of the upper plane and the round corner of the kerb with different heights; a second synchronous belt pulley 4.16 is arranged on an output shaft of an upper plane and fillet grinding head motor 4.18 to drive the second synchronous belt pulley 4.16 arranged at the left end of a main shaft 4.12, power is transmitted to the main shaft 4.12, a fillet diamond grinding wheel 4.20 arranged on the main shaft 4.12 and an upper plane diamond grinding roller 4.19 rotate at a high speed, and the grinding operation is carried out on the upper plane and the fillet of the kerbstone while the machine moves forwards at a constant speed.

Referring to fig. 13, the dust removing assembly 5 collects dust generated in the grinding process, and performs dust removing and purifying treatment to meet the environmental protection requirement; the dust removal assembly 5 comprises a centrifugal dust remover air inlet 5.1, a fan impeller 5.2, a dust removal motor 5.3, a bag-type dust remover 5.4, a centrifugal dust remover main body 5.5, a centrifugal dust remover air outlet 5.6, a dust collection barrel 5.7 and a dust remover support 5.8, wherein the fan impeller 5.2 is installed on an output shaft of the dust removal motor 5.3, the dust removal motor 5.3 is installed at the upper end of the centrifugal dust remover main body 5.5 through a flange, the centrifugal dust remover air inlet 5.1 is connected with a dust collection cover 10, the centrifugal dust remover air outlet 5.6 is connected with the bag-type dust remover 5.4, the lower end of the centrifugal dust remover main body 5.5 is connected with the dust collection barrel 5.7, and the centrifugal dust remover main body 5.5 is integrally installed above the middle part of the chassis 1 through the dust remover support 5.8; the dust cage 10 is arranged above the kerbstone vertical grinding head 3, the kerbstone upper plane and the fillet grinding head 4 and is fixed at a proper position on the chassis through a bracket.

The negative pressure generated by the fan impeller 5.2 of the centrifugal dust collector main body 5.5 in the inner cavity of the dust collection cover 10 collects and transmits the dust generated in grinding into the dust collector 5.5 for dust separation, the dust falls into the dust collection barrel 5.7 after being separated out, the air with a small amount of fine dust enters the bag-type dust collector 5.4 through the air outlet 5.6 of the centrifugal dust collector for secondary separation, the air is emptied through the fiber gaps of the bag, and the fine dust is left in the bag to be treated.

Referring to fig. 14 and 15, the first curb straightener 12 achieves easy correction of inclined curb and is a necessary tool for renewing the curb. Comprises a presser foot 12.1, a screw 12.4, a crank 12.6, a corrector body 12.7, a fulcrum shaft 12.8 and a backup plate 12.9. The straightener main body 12.7 is formed by welding square tubes, a backup plate 12.9 is welded above the front end, a fulcrum shaft 12.8 is welded below the front end, a nut 12.5 is welded at the tail part of the rear end, a screw 12.4 is screwed into the nut 12.5, a pressure foot 12.1 is arranged on a thrust bearing 12.2 at the bottom end of the screw 12.4 and a retainer ring 12.3, and a crank handle 12.6 is arranged at the top end; most of the deformation of the kerbstone is concentrated on that the vertical surface of the kerbstone inclines forwards in the direction of the road, and the method is a key project of the kerbstone repairing engineering. The correction of curb can reduce the work load of diamond grinding roller, improves coping work efficiency. The kerbstone straightener is a simple and practical tool which is continuously improved and innovated through repeated practice. When the device is used, a process hole is drilled in a proper position in front of a forward-inclined curb by impact, a fulcrum shaft 12.8 below the front end of the corrector is inserted into the process hole prefabricated in front of the forward-inclined curb, a backup plate 12.9 is propped above the vertical surface of the curb, a hand crank 12.6 is shaken to enable a screw 12.4 to descend, pressure is applied to the ground by a pressure foot 12.1, and the counterforce is amplified by lever force so as to centralize the curb.

Referring to fig. 16, the second curb straightener 13 is a special tool for correcting the backward inclination of the curb, and is composed of a lever 13.1 and a hook 13.2, wherein the lever 13.1 is hinged with the hook 13.2. When the device is used, the front end of the lever 13.1 is propped against the bottom of the vertical surface of the curb, the hook 13.2 is hung at the upper end of the back of the curb, and the curb can be easily righted by pressing down the rear end of the lever 13.1.

Referring to fig. 1 to 16, in the utility model, a central shaft 2.4 is welded in the middle of a driving wheel bridge plate 2.2 of a driving wheel assembly 2, the central shaft 2.4 is installed in a bridge plate installation central hole 1.9 at the front end of a chassis, so that the driving wheel assembly 2 swings left and right (plus or minus 5 degrees) around the central shaft 2.4, and swings left by 5 degrees to enable a machine to move forward and shift left at the same time, to be close to a left curb vertical surface and positioned by a left grinding vertical surface positioning wheel 8, and the curb vertical surface grinding head 3 grinds the curb vertical surface while the machine moves forward; swing 5 degrees right and make the machine move ahead and can squint right simultaneously, be close to right side curb facade, by the mill on right side above and fillet locating wheel 9 location, the machine moves ahead simultaneously, above and fillet bistrique 4 carry out the plane and the fillet coping on the curb.

According to the different conditions on curb and road surface, height adjustment swivel nuts 2.8 at drive wheel bridge board both ends can make the following adjustment to the distance on chassis 1 front end and ground:

1. the height adjusting screw sleeves 2.8 at the left end and the right end are adjusted in the same direction at the same time, so that the front end of the chassis 1 can be lifted or lowered in parallel with the ground.

2. The left side of the left and right height adjusting screw sleeves 2.8 is adjusted to be higher, the right side is adjusted to be lower, or the right side is adjusted to be higher, and the left side is adjusted to be lower, so that the horizontal angle between the chassis 1 and the ground can be changed.

3. After the swing angle adjustment and the height adjustment, the round nut 2.9 and the quick pressing screw 2.10 are required to be locked and fixed.

The kerbstone elevation grinding head 3 uses a cylindrical elevation diamond grinding roller 3.13, and a bus of the cylindrical elevation diamond grinding roller is tangent to the elevation of the kerbstone, so that the grinding head is suitable for grinding the elevation of the straight kerbstone and is also suitable for grinding the elevation of outer curves or inner curves of a crossroad, a roundabout, a bend and the like. The kerbstone vertical grinding head 3 is integrally arranged on the vertical shaft 3.4 of the vertical grinding head, so that the three-dimensional adjustment of the vertical grinding head is simplified, the structure is simple, and the adjustment is convenient. The verticality between the vertical face grinding head main shaft 3.7 and the road surface is accurately adjusted by shortening or lengthening the vertical angle adjuster 3.2. The clearance between the lower end surface of the facade diamond grinding roller 3.13 and the ground is accurately adjusted by a height adjusting screw 3.5. The curb facade grinding head 3 can rotate on a facade grinding head vertical shaft 3.4 by an angle, a diamond grinding roller rotating at high speed is pressed to the curb facade under the action of a spring 3.18, and the curb facade is ground while the machine moves forwards.

The upper plane of the kerbstone, the upper plane of the fillet grinding head 4 and the fillet grinding head motor 4.18 are used for double functions, namely power supply and main structure of the upper plane of the kerbstone and the fillet grinding head 4; an upper plane diamond grinding roller 4.19, a fillet diamond grinding wheel 4.20, a synchronous pulley II 4.16 and the like which are made of diamond materials are arranged on a main shaft 4.12, the main shaft is arranged in a main shaft supporting sleeve 4.15, two rotating sliding sleeves 4.17 connected through a support are sleeved on a cylindrical shaft processed by front and rear end covers of an upper plane and a fillet grinding head motor 4.18, and the upper plane and the fillet grinding head motor 4.18 become the main body structure of the upper plane of the curb and the fillet grinding head 4. An upper plane and fillet grinding head motor 4.18 is fixed on an upper plane and fillet grinding head seat plate 1.5 welded on the chassis 1. The main shaft 4.12 is parallel to the upper plane of the kerbstone and can rotate for a certain angle around the upper plane and the axis of the round corner grinding head motor 4.18, and different rotating angles form different heights of the main shaft, so that the grinding machine is suitable for grinding the upper plane and the round corner of the kerbstone with different heights.

The curb is corrected without adopting power machinery, but is simplified into a manual tool, and the construction is light, flexible and accurate. The first curb straightening device 12 is a special curb forward-tilting deformation straightening device and consists of a straightening device body 12.7, a fulcrum shaft 12.8, a backup plate 12.9, a screw 12.4, a crank 12.6 and a presser foot 12.1. A process hole with a diameter slightly larger than that of a fulcrum shaft 12.8 is drilled in a proper position in front of a forward-inclined curb by using impact, the fulcrum shaft is inserted into the process hole, a backup plate 12.9 is propped against the upper part of the vertical surface of the curb, a hand crank 12.6 is shaken to enable a screw 12.4 to descend and press the pressure foot 12.1 to the ground, and the reaction force is amplified by a lever so as to centralize the curb.

The second curb straightener 13 is a special tool for correcting the backward inclination of the curb, and consists of a lever 13.1 and a hook 13.2, wherein the lever 13.1 is hinged with the hook 13.2. When the device is used, the front end of the lever 13.1 is propped against the bottom of the vertical surface of the curb, the hook 13.2 is hung at the upper end of the back of the curb, and the curb can be easily righted by pressing down the rear end of the lever 13.1.

The above description is only a preferred example of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like of the present invention shall be included in the protection scope of the present invention.

Claims

1. The utility model provides a curb retreading machine which characterized in that: the device comprises a chassis (1), a driving wheel assembly (2), a kerbstone vertical face grinding head (3), a kerbstone upper plane and fillet grinding head (4), a dust removal assembly (5), a hand-push operating rod (6), an electric appliance control panel (7), a grinding vertical face positioning wheel (8), a grinding upper face and fillet positioning wheel (9), a dust collection cover (10), a universal tail wheel (11), a kerbstone corrector I (12) and a kerbstone corrector II (13); the chassis (1) is formed by welding square pipes and bears all components of the curb stone retreading machine; the driving wheel assembly (2) is arranged below the front end of the chassis (1); the kerbstone vertical face grinding head (3) realizes grinding of the kerbstone vertical face and is arranged on a vertical face grinding head seat plate (1.3) on the left side of the rear part of the chassis (1); the upper plane and the fillet grinding head (4) of the kerbstone realize the grinding of the upper plane and the fillet of the kerbstone and are arranged on the upper plane and the fillet grinding head seat plate (1.5) on the right side of the rear part of the chassis (1); the dust removal assembly (5) is arranged above the middle part of the chassis (1) through a dust remover bracket (5.8); the hand-push operating rod (6) is arranged above the tail part of the chassis (1); the electric appliance control disc (7) is arranged in the middle of the hand-push operating rod (6); the grinding elevation positioning wheel (8) realizes the positioning of the elevation diamond roller and the curb elevation during grinding the elevation and is arranged in a grinding elevation positioning wheel mounting hole (1.2) on the left side of the rear part of the chassis (1); the grinding surface and the fillet positioning wheel (9) realize the positioning of the fillet diamond grinding wheel and the vertical surface of the curb when grinding the surface and the fillet, and are arranged on the grinding surface on the right side of the rear part of the chassis (1) and in the fillet positioning wheel mounting hole (1.4); the dust hood (10) is arranged above the kerbstone elevation grinding head (3), the kerbstone upper plane and the fillet grinding head (4); the universal tail wheel (11) is arranged below the tail part of the chassis; the first curb straightener (12) straightens the frontwards inclined curb; and a second curb straightener (13) corrects the curb which is inclined backwards.

2. The curb retreading machine of claim 1, wherein: the driving wheel assembly (2) is as follows: the power differential shaft (2.1) is assembled with a driving wheel axle plate (2.2) through a U-shaped pressing plate (2.3), rubber wheels (2.11) are installed at two ends of the power differential shaft (2.1), a central shaft (2.4) is welded in the middle of the driving wheel axle plate (2.2), the central shaft (2.4) is installed in an axle plate installation central hole (1.9) at the front end of a chassis, the driving wheel assembly (2) swings left and right around the central shaft (2.4), and the swinging angle is +/-5 degrees; the swing angle is adjusted by driving the axle plate (2.2) and is pressed and fixed by a quick pressing screw (2.10); the height adjusting threaded sleeves (2.8) are screwed in threaded holes at two ends of the driving wheel axle plate (2.2), the height of the front end of the chassis (1) from the ground is adjusted through the height adjusting threaded sleeves (2.8), and the chassis is locked and fixed by round nuts (2.9).

3. The curb retreading machine of claim 1, wherein: the kerbstone facade grinding head (3) adopts a cylindrical facade diamond grinding roller (3.13), and a bus of the cylindrical facade diamond grinding roller is tangent to the kerbstone facade; the curb stone vertical face grinding head (3) is integrally installed on a vertical face grinding head vertical shaft (3.4), the lower end of the vertical face grinding head vertical shaft (3.4) is installed on a vertical face seat head seat plate (1.3) of the chassis (1) through two bearings (3.14) with seats, the upper end of the vertical face grinding head vertical shaft (3.4) is installed on a vertical shaft fixing cross beam (1.8) of the chassis (1) through a vertical angle adjuster (3.2), and the verticality between a vertical face grinding head main shaft (3.7) and a road surface is adjusted through shortening or lengthening of the vertical angle adjuster (3.2); the gap between the lower end surface of the facade diamond grinding roller (3.13) and the ground is adjusted through a height adjusting screw (3.5); the curb elevation grinding head (3) can rotate on an elevation grinding head vertical shaft (3.4) by an angle, a diamond grinding roller rotating at a high speed is pressed to the curb elevation under the action of a spring (3.18), and the machine moves forwards at a constant speed and grinds the curb elevation.

4. The curb retreading machine of claim 1, wherein: the upper plane and the fillet grinding head (4) of the kerbstone are as follows: the outer ends of the left end cover and the right end cover of the upper plane and the fillet grinding head motor (4.18) are provided with cylindrical surfaces as supporting shafts of a grinding head support (4.3), the base of the upper plane and the fillet grinding head motor (4.18) is fixed on the upper plane of the chassis (1) and a fillet grinding head seat plate (1.5), and the axes of the upper plane and the fillet grinding head motor (4.18) are parallel to the upper plane of the curb and are vertical to the vertical surface of the curb; the left and right ends of the front end of the grinding head support (4.3) are respectively connected with a rotating sliding sleeve (4.17), the grinding head support is sleeved on a supporting shaft of the grinding head support (4.3) at the two ends of the upper plane and the fillet grinding head motor (4.18), the rear end of the grinding head support is connected with a main shaft supporting sleeve (4.15), and a lifting handle (4.11) is arranged on the grinding head support (4.3).

5. The curb retreading machine of claim 4, wherein: two ends of an inner hole of the main shaft support sleeve (4.15) are provided with a second bearing (4.14), the inner hole of the second bearing (4.14) is provided with a main shaft (4.12), the left end of the main shaft (4.12) is provided with a second synchronous belt pulley (4.16), and the right end is provided with a fillet diamond grinding wheel (4.20) and an upper plane diamond grinding roller (4.19); the upper plane of the main shaft (4.12) and the axis of the round corner grinding head motor (4.18) are taken as centers and freely swing up and down; and a second synchronous belt wheel (4.16) is arranged on the output shaft of the upper plane and fillet grinding head motor (4.18).

6. The curb retreading machine of claim 4, wherein: the outer edge of the right end of the main shaft supporting sleeve (4.15) is provided with a first bearing (4.9), and the outer sleeve (4.1) is arranged on the first bearing (4.9); the outer sleeve is connected with an eccentric shaft sleeve (4.4) through two wing plates (4.2), an eccentric shaft (4.6) is arranged in the eccentric shaft sleeve (4.4), and a grinding quantity adjusting limiting wheel (4.7) is arranged at the front end of the eccentric shaft; the grinding depth of the upper plane diamond grinding roller (4.19) to the upper plane of the kerbstone is controlled by adjusting the eccentric angle of the eccentric shaft, and the feeding adjustment amount is 0-8 mm.

7. The curb retreading machine of claim 1, wherein: the dust removal assembly (5) is as follows: a fan impeller (5.2) is arranged on an output shaft of a dust removal motor (5.3), the dust removal motor (5.3) is arranged at the upper end of a centrifugal dust remover main body (5.5) through a flange, an air inlet (5.1) of the centrifugal dust remover is connected with a dust collection cover (10), an air outlet (5.6) of the centrifugal dust remover is connected with a bag-type dust remover (5.4), the lower end of the centrifugal dust remover main body (5.5) is connected with a dust collection barrel (5.7), and the centrifugal dust remover main body (5.5) is integrally arranged above the middle part of a chassis (1) through a dust remover bracket (5.8); the dust hood (10) is arranged above the kerbstone elevation grinding head (3), the kerbstone upper plane and the fillet grinding head (4) and is fixed on the chassis through a bracket.

8. The curb retreading machine of claim 1, wherein: the first curb straightener (12) is: the straightener main body (12.7) is formed by welding square tubes, a backup plate (12.9) is welded on the upper portion of the front end, a fulcrum shaft (12.8) is welded on the lower portion of the front end, a nut (12.5) is welded on the tail portion of the rear end, a screw rod (12.4) is screwed into the nut (12.5), a pressure foot (12.1) is installed on a thrust bearing (12.2) at the bottom end of the screw rod (12.4) and a check ring (12.3), and a crank handle (12.6) is installed on the top end.

9. The curb retreading machine of claim 1, wherein: and the second curb straightener (13) is formed by connecting a lever (13.1) and a hook (13.2) through a hinge, the front end of the lever (13.1) is propped against the bottom of the vertical surface of the curb, the hook (13.2) is hung at the upper end of the rear surface of the curb, and the curb can be easily righted by pressing down the rear end of the lever (13.1).