CN114737451A - Pavement cushion flattening device - Google Patents
Pavement cushion flattening device Download PDFInfo
- Publication number
- CN114737451A CN114737451A CN202210396324.6A CN202210396324A CN114737451A CN 114737451 A CN114737451 A CN 114737451A CN 202210396324 A CN202210396324 A CN 202210396324A CN 114737451 A CN114737451 A CN 114737451A
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- Prior art keywords
- plate
- scraper
- transverse supporting
- supporting rod
- rotating
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- 230000001681 protective effect Effects 0.000 claims description 16
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 11
- 239000000919 ceramic Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005056 compaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
- E01C19/42—Machines for imparting a smooth finish to freshly-laid paving courses other than by rolling, tamping or vibrating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
- Road Paving Structures (AREA)
Abstract
The invention relates to the technical field of paving tools for a pavement cushion, in particular to a pavement cushion paving device which is characterized by comprising a left sliding seat, a right sliding seat and a paving scraper, wherein the left sliding seat and the right sliding seat are of symmetrical structures, the left sliding seat and the right sliding seat respectively comprise a transverse supporting rod, a front roller, a rear roller, an inner side plate, an outer bracket, an outer roller, a heightening screw and a heightening handle, the front roller and the rear roller are in contact with the upper surface of a curb, the inner roller is in contact with the inner surface of the curb and rolls on the inner surface, and the outer roller is in contact with the outer surface of the curb and rolls on the outer surface.
Description
Technical Field
The invention relates to the technical field of pavement cushion layer laying tools, in particular to a pavement cushion layer flattening device which has the advantages of simple structure, convenient use, high laying efficiency, good laying effect, manpower saving and smooth laying.
Background
In recent years, the urban scale has been expanding with the rapid progress of urbanization. The development of roads plays a critical role and sidewalks take an important part. Most of the existing sidewalks are laid manually. Traditional pavement construction mode is generally all to lay earlier the bed course that permeates water, lay the ceramic tile on the bed course again, however the mode of laying of the bed course that permeates water of current generally all adopts C20 concrete to carry out machinery mix, the tipper transports to on-the-spot back, artifical paving, the flattening, machinery drops into greatly, it is consuming time long, the bed course is laid and is carried out the laying of ceramic tile again after leveling, because the bed course is located the ceramic tile below, consequently the degree of laying of bed course directly influences the compaction of later stage flat rammer and the laying of ceramic tile, artifical shakeout can lead to whole bed course to produce the inclination, influence the use of later stage flat rammer, still need level once more.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provides the pavement cushion flattening device which is simple in structure, convenient to use, high in laying efficiency, good in laying effect, labor-saving and flat in laying.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a pavement cushion flattening device is characterized by comprising a left sliding seat, a right sliding seat and a flattening scraper, wherein the left sliding seat and the right sliding seat are of symmetrical structures, the left sliding seat and the right sliding seat respectively comprise a transverse supporting rod, a front roller, a rear roller, an inner side plate, an outer support, an outer roller, a heightening screw and a heightening handle, the front end and the rear end of the transverse supporting rod are respectively provided with an inner protective plate and an outer protective plate, one end of the inner protective plate and one end of the outer protective plate are connected with the transverse supporting rod, the rear ends of the inner protective plate and the outer protective plate extend out of the transverse supporting rod to be connected with the front roller or the rear roller, the two ends of the front roller and the rear roller are respectively hinged with the inner protective plate and the outer protective plate through hinge shafts, the front roller and the rear roller are in contact with the upper surface of a kerbstone, the inner roller and the heightening screw are arranged on the inner side of the transverse supporting rod, the inner roller is connected with the transverse supporting rod through the inner side plate, and is rotatably connected with the inner side plate, the inner idler wheel is in contact with the inner surface of the kerbstone and rolls on the inner surface, the lower end of the heightening screw extends out of a supporting plate connected with a transverse supporting rod and is rotatably connected with the end part of the flattening scraper, the supporting plate is in threaded connection with the heightening screw, the upper end of the heightening screw is connected with the heightening handle, the outer idler wheel is arranged on the outer side of the transverse supporting rod and is connected with the transverse supporting rod through an outer support, the outer idler wheel is rotatably connected with the outer support, and the outer idler wheel is in contact with the outer surface of the kerbstone and rolls on the outer surface.
The outer bracket is connected with a transverse supporting rod through an adjusting clamping component, the adjusting clamping component comprises an n-shaped bracket, a rotating arm, a width adjusting screw rod, a rotating rod, a width adjusting nut and a width adjusting handle, the lower ends of the vertical parts at the two ends of the n-shaped bracket are connected with the transverse supporting rod, the front side of the transverse part of the n-shaped bracket is provided with the rotating rod, the two ends of the rotating rod are respectively connected with the transverse part and the transverse supporting rod in a rotating way, the transverse supporting rod below the rear side of the transverse part of the n-shaped bracket is provided with the rotating arm, the inner end of the rotating arm is connected with the transverse supporting rod in a rotating way through a pin shaft, the outer end of the rotating arm is provided with the width adjusting screw rod, one end of the width adjusting screw rod penetrates through a limiting plate arranged on the rotating arm to be connected with the width adjusting handle, the limiting plate limits the movement of the screw rod, a hinge shaft arranged at the lower end of the limiting plate penetrates through the rotating arm to be connected with the rotating arm in a rotating way, the other end of the width adjusting screw rod penetrates through the side face of the rotating rod to be provided with the width adjusting nut, the outer support is connected with the lower portion of the outer end of the rotating arm, and the rotating arm moves and is clamped on the outer side face of the kerbstone by rotating the width adjusting handle and the width adjusting nut to move on the width adjusting screw rod.
The inner side of the transverse part of the n-shaped support is provided with an upper support plate, the transverse support rod right below the upper support plate is provided with a lower support plate, the upper support plate and the lower support plate are respectively provided with a height adjusting nut, the lower end of a height adjusting screw rod penetrates through the height adjusting nut on the lower support plate, and the upper end of the height adjusting screw rod penetrates through the height adjusting nut on the upper support plate and is connected with a height adjusting handle.
The two ends of the leveling scraper are respectively provided with the mounting holes, the lower end of the heightening screw is provided with the positioning nut, the mounting holes at the two ends of the leveling scraper respectively penetrate through the heightening screw and then are locked by the positioning nut, and the leveling scraper can be detached through the positioning of the mounting holes and the positioning nut, so that the transportation is convenient.
The flattening scraper is designed into a length-adjustable scraper, the length-adjustable scraper comprises a left scraper and a right scraper, an n-shaped clamping plate is arranged at the upper end of the left scraper, one end of the vertical part of the n-shaped clamping plate is connected with the left scraper, a convex sliding block is arranged on the inner side of the other end of the vertical part of the n-shaped clamping plate, a sliding groove corresponding to the convex sliding block is arranged at the upper end of the right scraper, the lower end of the left scraper is flush with the lower end of the right scraper, and the integral length adjustment of the flattening scraper is realized by drawing the right scraper.
The leveling scraper is characterized in that two ends of the leveling scraper are provided with convex connectors, the connectors are provided with vertical connecting holes, the connectors are provided with mounting heads, one ends of the mounting heads are provided with through holes corresponding to the connecting holes, pin shafts are arranged in the through holes and penetrate through the connecting holes and the through holes to realize the hinging of the mounting heads and the connectors, and the other sides of the mounting heads are provided with mounting holes to realize the connection with heightening screws through the mounting holes.
The inner side plate is a rectangular plate, the transverse edge of the rectangular plate is connected with the transverse supporting rod, and the vertical plate of the rectangular plate faces downwards and is connected with the inner roller at the inner side.
The two inner side plates are divided into a front inner side plate and a rear inner side plate, the front side of the front inner side plate is provided with a guide plate, one end of the guide plate is connected with the vertical edge of the front inner side plate, the other side of the guide plate is connected with the front end of the inner guard plate of the transverse supporting rod, and the guide is realized through the guide plate, so that the concrete is prevented from moving forwards.
The height-adjusting handle and the width-adjusting handle comprise the turntables and the handles, the middle parts of the turntables are respectively connected with the height-adjusting screw rods and the width-adjusting screw rods, the handles are vertically connected with the edges of the rotating plates, and the handles are rotated by rotating the handles, so that time and labor are saved.
By adopting the structure, the invention has the advantages of simple structure, convenient use, high laying efficiency, good laying effect, labor saving, flat laying and the like.
Drawings
FIG. 1 is a front view of the left and right carriages of the present invention.
Fig. 2 is a right side view of fig. 1.
Fig. 3 is an enlarged plan view of a portion a of fig. 2.
Fig. 4 is a schematic view of the structure of the adjustment clamping assembly of fig. 2.
Fig. 5 is a schematic view of the structure of the leveling blade of the present invention.
FIG. 6 is a side view of the left and right squeegees of FIG. 5, where 6-1 is a left squeegee side view and 6-2 is a right squeegee side view.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in the attached drawings, the paving device for the sidewalk cushion is characterized by comprising a left sliding seat, a right sliding seat and a paving scraper, wherein the left sliding seat and the right sliding seat are of a symmetrical structure, the left sliding seat and the right sliding seat respectively comprise a transverse supporting rod 1, a front roller 2, a rear roller 3, an inner roller 4, an inner side plate 5, an outer bracket 6, an outer roller 7, a heightening screw 8 and a heightening handle 16, an inner protecting plate 9 and an outer protecting plate 10 are respectively arranged at the front end and the rear end of the transverse supporting rod 1, one end of the inner protecting plate 9 and one end of the outer protecting plate 10 are connected with the transverse supporting rod 1, the rear ends of the inner protecting plate 9 and the outer protecting plate 10 extend out of the transverse supporting rod 1 to be connected with the front roller 2 or the rear roller 3, the two ends of the front roller 2 and the rear roller 3 are respectively hinged with the inner protecting plate 9 and the outer protecting plate 10 through hinge shafts, the front roller 2 and the rear roller 3 are in contact with the upper surface of a curbstone, the inner side of the transverse supporting rod 1 is provided with the inner roller 4 and the heightening screw 8, the inner idler wheel 4 is connected with the transverse supporting rod 1 through the inner side plate 5, the inner idler wheel 4 is rotatably connected with the inner side plate 5, the inner idler wheel 4 is in contact with the inner surface of the curb stone and rolls on the inner surface, the lower end of the heightening screw 8 extends out of the supporting plate connected with the transverse supporting rod 1 and is rotatably connected with the end portion of the flattening scraper, the supporting plate is in threaded connection with the heightening screw 8, the upper end of the heightening screw 8 is connected with the heightening handle 16, the outer idler wheel 7 is arranged on the outer side of the transverse supporting rod 1, the outer idler wheel 7 is connected with the transverse supporting rod 1 through the outer support 6, the outer idler wheel 7 is rotatably connected with the outer support 6, and the outer idler wheel 7 is in contact with the outer surface of the curb stone and rolls on the outer surface.
Further, the outer bracket 6 is connected with the transverse supporting rod 1 through an adjusting clamping assembly, the adjusting clamping assembly comprises an n-shaped bracket 11, a rotating arm 12, a width adjusting screw 13, a rotating rod 14, a width adjusting nut 15 and a width adjusting handle 17, the lower ends of the vertical parts at the two ends of the n-shaped bracket 11 are connected with the transverse supporting rod 1, the rotating rod 14 is arranged at the front side of the transverse part of the n-shaped bracket 11, the two ends of the rotating rod 14 are respectively connected with the transverse part and the transverse supporting rod 1 in a rotating manner, the rotating arm 12 is arranged on the transverse supporting rod 1 below the rear side of the transverse part of the n-shaped bracket 11, the inner end of the rotating arm 12 is connected with the transverse supporting rod 1 in a rotating manner through a pin shaft, the width adjusting screw 13 is arranged at the outer end of the rotating arm 12, one end of the width adjusting screw 13 penetrates through a limiting plate 32 arranged on the rotating arm 12 to be connected with the width adjusting handle 17, the limiting plate 32 limits the movement of the screw, a hinge shaft arranged at the lower end of the limiting plate 32 penetrates through the rotating arm to be connected with the rotating arm in a rotating manner, the other end of the width adjusting screw 13 is provided with a width adjusting nut 15 penetrating through the side face of the rotating rod 14, the outer support 6 is connected with the lower portion of the outer end of the rotating arm 12, the rotating of the rotating arm 12 is achieved through rotating the width adjusting handle 17 and moving the width adjusting nut 15 on the width adjusting screw 13 so as to be clamped on the outer side face of the kerbstone, the width adjusting screw and the rotating arm can only rotate along the rotating arm and can also rotate in the limiting plate 32 through the limitation of the limiting plate 32, and the width adjusting screw can move on the width adjusting nut.
Furthermore, an upper support plate 18 is arranged on the inner side of the transverse part of the n-shaped support 11, a lower support plate 19 is arranged on the transverse support rod 1 under the upper support plate 18, height-adjusting nuts 20 are respectively arranged on the upper support plate 18 and the lower support plate 19, the lower end of the height-adjusting screw 8 penetrates through the height-adjusting nuts 20 on the lower support plate 19, and the upper end of the height-adjusting screw 8 penetrates through the height-adjusting nuts 20 on the upper support plate 18 to be connected with a height-adjusting handle 16.
Further, shakeout the both ends of scraper blade be equipped with the mounting hole respectively, the lower extreme of increaseing screw rod 8 be equipped with positioning nut 21, the mounting hole at shakeout the both ends of scraper blade pass respectively and increase behind the screw rod 8 through positioning nut 21 locking, realize shakeout dismantling of scraper blade, convenient transportation through the location of mounting hole and positioning nut 21.
Further, shakeout the scraper blade establish to the adjustable scraper blade of length, the adjustable scraper blade of length include left scraper blade 22 and right scraper blade 23, the upper end n type cardboard 24 of left scraper blade 22, the one end and the left scraper blade 22 of the 24 vertical portions of n type cardboard are connected, the other end inboard of the vertical portion of n type cardboard 24 is equipped with bellied slider 25, the upper end of right scraper blade 23 be equipped with the spout 26 that corresponds with protruding slider 25 position, the lower extreme of left scraper blade 22 and the lower extreme parallel and level of right scraper blade 23 realize the holistic length adjustment of shakeout the scraper blade through pull right scraper blade 23.
Further, the both ends of shakeout scraper blade be equipped with convex connector 27, be equipped with vertical connecting hole on the connector 27, connector 27 on be equipped with installation head 28, the one end of installation head 28 is equipped with the through-hole that corresponds with the connecting hole position, is equipped with round pin axle 29 in the through-hole, round pin axle 29 passes connecting hole and through-hole and realizes the articulated of installation head 28 and connector 27, the opposite side of installation head 28 be equipped with the mounting hole, realize being connected with heightening screw rod 8 through the mounting hole, can realize the rotation of scraper blade through being equipped with installation head 28, easy to assemble, avoid left slide and right slide dislocation to slide to shakeout the scraper blade to produce hard dragging, the shakeout scraper blade of rupture simultaneously at the in-process of pulling left slide and right slide.
Further, the inner side plates 5 are right-angle plates, the transverse edges of the right-angle plates are connected with the transverse supporting rods 1, and the vertical plates of the right-angle plates face downwards and are connected with the inner rollers 4 on the inner sides of the vertical plates.
Further, the inner side plates 5 are divided into a front inner side plate 5 and a rear inner side plate 5, a guide plate 30 is arranged on the front side of the front inner side plate 5, one end of the guide plate 30 is connected with the vertical edge of the front inner side plate 5, the other side of the guide plate 30 is connected with the front end of the inner guard plate 9 of the transverse supporting rod 1, guiding is achieved through the guide plate 30, and the concrete is prevented from moving towards the front.
Furthermore, heightening handle 16 and width adjusting handle 17 all include carousel 31 and handle, the middle part of carousel 31 be connected with heightening screw 8 and width adjusting screw 13 respectively, the handle is connected perpendicularly to the edge of commentaries on classics board, rotates through rotating the handle, labour saving and time saving.
When the invention is used, firstly, a left sliding seat and a right sliding seat are respectively placed on the kerbs on two sides of a sidewalk, then an upper roller is contacted with the upper surface of the kerbs, an inner roller 4 is contacted with the inner side surface of the kerbs, then a width adjusting screw 13 is rotated, a rotating arm 12 is driven towards the inner side, the rotating arm 12 moves an outer roller 7 below the rotating arm to be contacted with the outer side surface of the kerbs, further, the left sliding seat and the right sliding seat are finally clamped on the kerbs on two sides of the sidewalk, then the length between a left scraper 22 and a right sliding plate in a flattening scraper is adjusted, a mounting hole on a mounting head 28 at the left end of the left scraper 22 is sleeved at the lower end of a height adjusting screw 8 in the left sliding seat, the height adjusting screw 8 is locked by a positioning nut 21 after passing through the height adjusting screw 8, a mounting hole on the mounting head 28 at the right end of the right scraper 23 is sleeved at the lower end of the height adjusting screw 8 in the right sliding seat, the passing opening of the height adjusting screw 8 is locked by the positioning nut 21, at this time, the left slide, the right slide and the leveling scraper are respectively limited on the pavement kerbs on the left and right sides of the pavement and the concrete cushion layer between the two kerbs, then the heightening screw 8 is rotated to move the leveling scraper up or down to the height position to be leveled, then the left slide and the right slide are manually moved towards the front by pulling ropes or other tools on the two sides of the kerbs, because the leveling scraper is divided into a left scraper 22 and a right scraper 23 which slide with each other, and the left scraper 22, the right scraper 23 and the heightening screw 8 are also rotationally connected by a hinge mode between the mounting head 28 and the connecting head 27, hard rotation when the left slide and the right slide are not synchronous can be eliminated, and simultaneously, because the left scraper 22 and the right scraper 23 are also mutually slid to adjust the width, when the left slide and the right slide are not synchronous to cause the width change between the left slide and the right slide, the width between the left scraper 22 and the right scraper 23 can be adjusted, the condition that the left scraper 22 and the right scraper 23 are mutually staggered and pulled immovably is avoided, meanwhile, because the width difference exists between the curbs at the two sides of the sidewalk, especially the condition of a curve exists, the left scraper 22 and the right scraper 23 can slide mutually to use the curve and the width change in the width change and the process of passing through the curve, and when the tool is not used, the scrapers can be disassembled, the left scraper 22 and the right scraper 23 can also be disassembled, so that the transportation is convenient, the installation can be carried out when the tools are used again, therefore, the space can be saved, the end parts of the left scraper 22 and the right scraper 23 can be respectively connected with the installation head 28, the installation head 28 is provided with installation holes, the hole diameter of the installation holes is larger than the outer diameter of the heightening screw 8, therefore, the installation head 28 can be rotatably connected with the heightening screw 8, the positioning nut 21 is not rigidly connected, but the outer diameter of the positioning nut 21 is larger than the diameter of the mounting hole, the mounting head 28 can be arranged above the positioning nut 21, and the left scraper and the right scraper are inclined, so that the scraping effect can be ensured.
Claims (9)
1. A pavement cushion flattening device is characterized by comprising a left sliding seat, a right sliding seat and a flattening scraper, wherein the left sliding seat and the right sliding seat are of symmetrical structures, the left sliding seat and the right sliding seat respectively comprise a transverse supporting rod, a front roller, a rear roller, an inner side plate, an outer support, an outer roller, a heightening screw and a heightening handle, the front end and the rear end of the transverse supporting rod are respectively provided with an inner protective plate and an outer protective plate, one end of the inner protective plate and one end of the outer protective plate are connected with the transverse supporting rod, the rear ends of the inner protective plate and the outer protective plate extend out of the transverse supporting rod to be connected with the front roller or the rear roller, the two ends of the front roller and the rear roller are respectively hinged with the inner protective plate and the outer protective plate through hinge shafts, the front roller and the rear roller are in contact with the upper surface of a kerbstone, the inner roller and the heightening screw are arranged on the inner side of the transverse supporting rod, the inner roller is connected with the transverse supporting rod through the inner side plate, and is rotatably connected with the inner side plate, the inner idler wheel is in contact with the inner surface of the kerbstone and rolls on the inner surface, the lower end of the heightening screw extends out of a supporting plate connected with a transverse supporting rod and is rotatably connected with the end part of the flattening scraper, the supporting plate is in threaded connection with the heightening screw, the upper end of the heightening screw is connected with the heightening handle, the outer idler wheel is arranged on the outer side of the transverse supporting rod and is connected with the transverse supporting rod through an outer support, the outer idler wheel is rotatably connected with the outer support, and the outer idler wheel is in contact with the outer surface of the kerbstone and rolls on the outer surface.
2. The sidewalk cushion flattening device according to claim 1, wherein the outer bracket is connected with the transverse supporting rod through an adjusting and clamping assembly, the adjusting and clamping assembly comprises an n-shaped bracket, a rotating arm, a width adjusting screw rod, a rotating rod, a width adjusting nut and a width adjusting handle, the lower ends of the vertical parts at the two ends of the n-shaped bracket are connected with the transverse supporting rod, the front side of the transverse part of the n-shaped bracket is provided with the rotating rod, the two ends of the rotating rod are respectively connected with the transverse part and the transverse supporting rod in a rotating manner, the transverse supporting rod below the rear side of the transverse part of the n-shaped bracket is provided with the rotating arm, the inner end of the rotating arm is connected with the transverse supporting rod in a rotating manner through a pin shaft, the outer end of the rotating arm is provided with the width adjusting screw rod, one end of the width adjusting screw rod penetrates through a limiting plate arranged on the rotating arm to be connected with the width adjusting handle, the limiting plate limits the movement of the screw rod, the lower end of the limiting plate is provided with a hinge shaft penetrating through the rotating arm to be connected with the rotating arm in a rotating manner, the other end of the width adjusting screw rod is provided with a width adjusting nut through the side face of the rotating rod, the outer support is connected with the lower portion of the outer end of the rotating arm, and the width adjusting handle is rotated to move the width adjusting nut on the width adjusting screw rod so that the rotating arm can move and then be clamped on the outer side face of the curb.
3. The device of claim 2, wherein the n-shaped frame has an upper support plate inside the lateral portion, a lower support plate on the lateral support rod under the upper support plate, and height adjusting nuts on the upper support plate and the lower support plate, respectively, wherein the lower end of the height adjusting screw rod passes through the height adjusting nut on the lower support plate, and the upper end of the height adjusting screw rod passes through the height adjusting nut on the upper support plate and is connected to the height adjusting handle.
4. The device for spreading a sidewalk cushion according to claim 1, wherein mounting holes are respectively formed at two ends of the spreading scraper, positioning nuts are arranged at lower ends of the heightening screws, the mounting holes at two ends of the spreading scraper are respectively locked by the positioning nuts after passing through the heightening screws, and the spreading scraper can be detached and transported conveniently by positioning the mounting holes and the positioning nuts.
5. The device for spreading a sidewalk cushion according to claim 4, wherein the spreading scraper is a length-adjustable scraper, the length-adjustable scraper comprises a left scraper and a right scraper, an n-shaped clamping plate is arranged at the upper end of the left scraper, one end of a vertical part of the n-shaped clamping plate is connected with the left scraper, a convex sliding block is arranged on the inner side of the other end of the vertical part of the n-shaped clamping plate, a sliding groove corresponding to the convex sliding block is arranged at the upper end of the right scraper, the lower end of the left scraper is flush with the lower end of the right scraper, and the entire length of the spreading scraper is adjusted by drawing the right scraper.
6. The device as claimed in claim 5, wherein the leveling scraper has two ends provided with protruding connectors, each connector has a vertical connecting hole, the connector has a mounting head, one end of the mounting head has a through hole corresponding to the connecting hole, a pin is disposed in the through hole, the pin passes through the connecting hole and the through hole to realize the hinge joint of the mounting head and the connector, and the other side of the mounting head has a mounting hole through which the mounting head is connected to the height-adjustable screw.
7. A sidewalk mat flattening apparatus according to claim 1, wherein the inner side plates are formed as rectangular plates, the transverse edges of the rectangular plates are connected with the transverse supporting rods, and the vertical plates of the rectangular plates face downward and are connected with the inner rollers at the inner sides thereof.
8. A sidewalk mat flattening apparatus according to claim 7, wherein the inner side plates are provided in two, and divided into a front inner side plate and a rear inner side plate, the front side of the front inner side plate is provided with a guide plate, one end of the guide plate is connected with the vertical edge of the front inner side plate, the other side of the guide plate is connected with the front end of the inner guard plate of the transverse supporting rod, and the guide plate is used for guiding, so as to prevent the concrete from moving forward.
9. A sidewalk mat leveling device according to claim 1 or 2, wherein the height-adjusting handle and the width-adjusting handle comprise a rotating disc and a handle, the middle part of the rotating disc is connected with the height-adjusting screw rod and the width-adjusting screw rod respectively, the edge of the rotating plate is vertically connected with the handle, and the handle is rotated by rotating the handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210396324.6A CN114737451B (en) | 2022-04-15 | 2022-04-15 | Pavement bedding flattening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210396324.6A CN114737451B (en) | 2022-04-15 | 2022-04-15 | Pavement bedding flattening device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114737451A true CN114737451A (en) | 2022-07-12 |
| CN114737451B CN114737451B (en) | 2024-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210396324.6A Active CN114737451B (en) | 2022-04-15 | 2022-04-15 | Pavement bedding flattening device |
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