CN110056174A - The aligning ruler of belt track - Google Patents
The aligning ruler of belt track Download PDFInfo
- Publication number
- CN110056174A CN110056174A CN201910396028.4A CN201910396028A CN110056174A CN 110056174 A CN110056174 A CN 110056174A CN 201910396028 A CN201910396028 A CN 201910396028A CN 110056174 A CN110056174 A CN 110056174A
- Authority
- CN
- China
- Prior art keywords
- ruler
- lifting device
- elevating lever
- screw thread
- straight hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/20—Implements for finishing work on buildings for laying flooring
- E04F21/24—Implements for finishing work on buildings for laying flooring of masses made in situ, e.g. smoothing tools
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/20—Implements for finishing work on buildings for laying flooring
- E04F21/24—Implements for finishing work on buildings for laying flooring of masses made in situ, e.g. smoothing tools
- E04F21/241—Elongated smoothing blades or plates, e.g. screed apparatus
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The present invention relates to a kind of levelling constructing devices.The aligning ruler of belt track, including main lifting device, sliding hanger rail, flexible slidably scrape leveling ruler, level meter, scale, ruler end part lifting device；It is characterized by: the swivel mount includes 3 support legs, 3 Concentric rotation taper cone pulleies, a concentric rotary conic wheel is installed in the lower end of each support leg, and the upper end of each support leg is fixedly connected with the lower end of the shell 15 of main lifting device；The ruler end part lifting device includes elevating lever, screw thread orifice plate, the second rotating handle；Small straight hole is inserted into after passing through the internal thread hole of screw thread orifice plate, big straight hole in the lower part of elevating lever, and the top of elevating lever is threadedly coupled with screw thread orifice plate.The aligning ruler structure is simple, stability is good, portable.
Description
Technical field
The present invention relates to the realm of building construction, and in particular to a kind of levelling constructing device.
Background technique
Floor leveling refers to the original ground of building, levelling by certain method, and ground flat degree is made to reach one
Fixed standard meets regulation of the country about floor leveling.Terrace, road surface, the Lou Di of traditional architectural engineering and municipal works
The concrete in face or the levelling of mortar are all made of manual operation, the quality of construction quality depend entirely on proficiency of workers with
And sense of responsibility, height difference and flatness of the plastering to control terrace, difficulty of construction are often repeated for preferable construction effect can be reached
It is higher, it is difficult to accomplish that essence is flat.And it is frequently necessary to secondary levelling.That there are processes is more for such method, effect is poor, recruitment is more, waste
The problems such as material.In recent years, mechanical leveling apparatus is such as emerged rapidly in large numbersBamboo shoots after a spring rain.Large scale equipment is often bulky, has used
Many limitations；And the equipment of small portable requires people often to operate, not only the amount of labour is big, but also by operator
The limitation of construction level, levelling speed and quality are all general.
Chinese patent 201810049280.3 discloses a kind of levelling machine, it includes the elevating water of a pair of of parallel arrangement
Level gauge driving device and one it is funneling scrape leveling ruler, elevating water level gauge driving device and funneling scrape the horizontal cloth of leveling ruler
It sets, it is funneling to scrape leveling ruler and the elevating water level gauge driving device of a pair of of parallel arrangement is vertical (and being mutually perpendicular to).This is looked for
Flat machine the deficiencies of structure is complicated, bulky and inconvenient to transport.
There is also following insufficient for existing levelling constructing device: 1, the one end for scraping leveling ruler is hung by lifting device and sliding
Rail support, and the other end for scraping leveling ruler does not go up and down adjustable supporting mechanism (i.e. ruler end part lifting device), in this case, scrapes
Leveling ruler is just unstable；Some has the adjustable supporting mechanism (such as: striking off ruler end part lifting controller) of lifting, but its structure is again excessively multiple
It is miscellaneous.2, the face of Concentric rotation wheel is plane (one side is not tapered surface), and Concentric rotation wheel is on base surface or swivel base
When upper rotation is walked, because contact surface is big, small stone, sand will affect the rotation walking of Concentric rotation wheel, shift, no
Surely, it is bad finally to strike off effect.In addition, using 4 Concentric rotation wheels, stability is bad because being rotation walking.3, existing
Lifting device be using support leg, internal structure be it is open, be easily accessible mortar, influence the service life of lifting device.
Summary of the invention
In view of the above technical problems, the purpose of the present invention is to provide a kind of aligning ruler of belt track, the aligning ruler structures
Simply, stability is good, portable.
To achieve the above object, the technical solution used in the present invention is: the aligning ruler of belt track, including main lifting fill
It sets, slide hanger rail, stretch and slidably scrape leveling ruler 6, level meter 13, scale 38, ruler end part lifting device；Main lifting device is mounted on
On swivel mount, sliding hanger rail is mounted on main lifting device, and flexible leveling ruler 6 of slidably scraping is slidably mounted on sliding hanger rail,
Level meter 13 is fixed on the supporting plate 9 of main lifting device；The lower end of scale 38, which is threaded in stretch, slidably scrapes leveling ruler 6
On end, scale 38 is equipped with groove 39；It is characterized by: the swivel mount includes 3 support legs, 3,3 Concentric rotation tapers
A concentric rotary conic wheel 2, upper end and the main lifting device of each support leg 3 are installed in wheel 2, the lower end of each support leg 3
The lower end of shell 15 is fixedly connected；
The ruler end part lifting device includes elevating lever 4, screw thread orifice plate 19, the second rotating handle 36；The top of elevating lever 4
Equipped with external screw thread, the lower part of elevating lever 4 is column, and the lower outer diameter of elevating lever 4 is less than the top outer diameter of elevating lever 4, elevating lever 4
Upper end be fixedly connected with the second rotating handle 36；Screw thread orifice plate 19 is equipped with the interior spiral shell to match with the external screw thread of elevating lever 4
Pit；The top of the flexible one end for slidably scraping leveling ruler 6 is equipped with big straight hole, under the one end for slidably scraping leveling ruler 6 that stretches
Portion is equipped with small straight hole, and small straight hole is communicated with big straight hole, and the outer diameter of small straight hole is less than the outer diameter with big straight hole, and screw thread orifice plate 19 is fixed
On the flexible one end for slidably scraping leveling ruler 6, the internal thread hole of screw thread orifice plate 19 is communicated with big straight hole, the lower part of elevating lever 4
Small straight hole is inserted into after the internal thread hole, big straight hole of screw thread orifice plate 19, the top of elevating lever 4 and 19 screw thread of screw thread orifice plate connect
It connects.
According to the above technical scheme, 3 support legs 3 are uniformly distributed along the circumference.
According to the above technical scheme, 15 upper end of shell is hinged with a handle 22, and 15 upper end side of shell is fixed with
Handle shelf 37, handle 22 are shelved on handle shelf 37.
The beneficial effects of the present invention are: 1, using ruler end part lifting device of the invention, only elevating lever, screw thread orifice plate,
Second rotating handle, structure is very simple, easy to use.2, using Concentric rotation taper cone pulley, because contact surface is small, small stone
Son, sand will not influence the rotation of Concentric rotation taper cone pulley, and rotation walking stability is good；It facts have proved: using 3 Concentric rotations
For taper cone pulley compared with 4 Concentric rotation taper cone pulleies, the stability of 3 Concentric rotation taper cone pulleies is good.3, main lifting device is used and is set
In shell, internal structure is protected, it is not easy to enter mortar, the long service life of lifting device.4, ruler end part of the present invention
The elevating lever of lifting device is less than top outer diameter using lower outer diameter, and the corresponding flexible one end for slidably scraping leveling ruler is using small
Straight hole, big straight hole can effectively prevent mortar to enter from big straight hole from following, to prevent the top of elevating lever using small straight hole
Enter mortar at external screw thread, such ruler end part lifting device is unaffected, and ruler end part lifting device uses smooth.5, the aligning ruler
Simple, portable, the levelling high-efficient, convenient transportation of structure.The planarization that just disposably ensure that terrace when constructing just feeding, saves
When, saving of labor.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is top view of the invention.
Fig. 3 is the cross-sectional view in Fig. 2 along line A-A.
Fig. 4 is the cross-sectional view in Fig. 2 along line B-B.
Fig. 5 is the flexible structural schematic diagram for slidably scraping leveling ruler of the present invention.
Fig. 6 is the structural schematic diagram of present invention lifting cavity.
In figure: 1- swivel base, 2- Concentric rotation taper cone pulley, 3- support leg, 4- elevating lever, the first directive wheel of 5-, 6- stretch
Leveling ruler, 7- right side plate, 8- top plate, 9- supporting plate, 10- lower shell, 11- fastening nut, 12- fixed plate, 13- level are slidably scraped in contracting
Instrument, 14- upper shell, 15- shell, 16- worm gear, 17- up-thrust bearing, 18- lid, 19- screw thread orifice plate, 20- screw rod, 21- snail
Bar, 22- handle, 23- connecting rod, 24- lower thrust-bearing, the first rotating handle of 25-, 26- pinch roller, the second directive wheel of 27-, 28-
Support pulley, 29- left plate, 30- pulley groove, 31- worm screw through hole, 32- the second screw rod through-hole, 33- worm gear chamber, 34- screw rod
Channel, 35- lower shell through hole, the second rotating handle of 36-, 37- handle shelf, 38- scale, 39- groove, 40- screw rod (spiral shell
Nail).
Specific embodiment
For a better understanding of the present invention, technical solution of the present invention is done further below with reference to embodiment and attached drawing
Explanation.
As shown in figures 1 to 6, the aligning ruler (or leveling unit of belt track) of belt track, including main lifting device, sliding
Hanger rail (or scraping leveling ruler track frame) stretches and slidably scrapes leveling ruler 6, level meter 13, scale 38, ruler end part lifting device；Main liter
Falling unit is mounted on swivel mount, and sliding hanger rail is mounted on main lifting device, flexible slidably to scrape leveling ruler 6 and be slidably mounted at
It slides on hanger rail, level meter 13 is fixed on the supporting plate 9 of main lifting device by screw (or bolt)；The lower end screw thread of scale 38
(the same side that scale 38 is located at main lifting device with level meter 13), scale are connected on the flexible end for slidably scraping leveling ruler 6
38 are equipped with groove 39 (referring to level height line)；The swivel mount includes 3 support legs, 3,3 Concentric rotation taper cone pulleies 2, each
The lower end of support leg 3 is installed by one rotatable Concentric rotation taper cone pulley 2 (Concentric rotation taper cone pulley 2 is rotatable), each support
The upper end of foot 3 is fixedly connected with (as welded, 3 support legs 3 are uniformly distributed along the circumference) with the lower end of the shell 15 of main lifting device；
The ruler end part lifting device includes elevating lever 4, screw thread orifice plate 19, the second rotating handle 36；The top of elevating lever 4
Equipped with external screw thread, the lower part of elevating lever 4 is column (i.e. light straight-bar), and the lower outer diameter of elevating lever 4 is less than outside the top of elevating lever 4
Diameter, the upper end of elevating lever 4 are fixedly connected with the second rotating handle 36 (welding, can be structure as a whole)；Screw thread orifice plate 19 is equipped with
The internal thread hole to match with the external screw thread of elevating lever 4；The top of the flexible one end for slidably scraping leveling ruler 6 is equipped with big straight hole,
The lower part of the flexible one end for slidably scraping leveling ruler 6 is equipped with small straight hole, and small straight hole communicates (center axis thereof is overlapped) with big straight hole,
The outer diameter of small straight hole is less than (outer diameter of big straight hole and the top outer diameter of elevating lever 4 are corresponding, small straight hole with the outer diameter of big straight hole
The lower outer diameter of outer diameter elevating lever 4 is corresponding), screw thread orifice plate 19 is fixed on the flexible one end for slidably scraping leveling ruler 6 (by spiral shell
Bar or screw 40 are fixed), the internal thread hole of screw thread orifice plate 19 is communicated with big straight hole, and the lower part of elevating lever 4 passes through screw thread orifice plate 19
Internal thread hole, be inserted into small straight hole after big straight hole, the top of elevating lever 4 be threadedly coupled with screw thread orifice plate 19 (rotation and lifting bar 4,
The height of the adjustable flexible end for slidably scraping leveling ruler 6；Making to stretch, it is horizontal slidably to scrape the whole holding of leveling ruler 6).
The sliding hanger rail (or scraping leveling ruler track frame) includes right side plate 7, top plate 8, left plate 29, and right side plate 7
In the right side (have to stretch between right side plate 7 and left plate 29 and slidably scrape leveling ruler installation space) of left plate 29, right side plate 7, a left side
The upper end of side plate 29 is fixed (such as screw is fixed) with top plate 8 respectively, the supporting plate of top plate 8 and main lifting device fix (such as welding or
Screw is fixed)；The middle part of top plate 8 is equipped with pinch roller hole, and pinch roller 26 is located in pinch roller hole, and pinch roller 26 is connect by axis with top plate 8, pinch roller
26 are located at the flexible top for slidably scraping leveling ruler 6；Be equipped on right side plate 7, left plate 29 support pulley 28 (support pulley 28 by
Its axis is connected with right side plate 7 or left plate 29).
Left side, the right side of the flexible upper end for slidably scraping leveling ruler 6 are equipped with pulley groove 30；It is flexible slidably to strike off
The top of ruler 6 is located between the right side plate 7 and left plate 29 of sliding hanger rail, and support pulley 28 is located in pulley groove 30 (left side
Pulley groove 30, the right pulley groove 30 in each support pulley 28, i.e., it is flexible slidably to scrape leveling ruler 6 and can slide back and forth).
The main lifting device includes shell 15, supporting plate (or platform sling) 9, fastening nut 11, fixed plate 12, lifting chamber
Body, worm gear 16, up-thrust bearing 17, screw rod 20, worm screw 21, lower thrust-bearing 24；Shell 15 is equipped with connecting rod and passes through hole, shell
The lower end of body 15 is open end, and the lower front of shell 15 is equipped with supporting plate lifting apertures, and supporting plate 9 is located at supporting plate lifting apertures
(and the present embodiment uses the front side indent of shell 15, for placing supporting plate 9)；Fastening nut 11, fixed plate 12, lifting cavity,
Worm gear 16, up-thrust bearing 17, screw rod 20, worm screw 21, lower thrust-bearing 24 are respectively positioned in shell 15；Fixed plate 12 is equipped with down
Cylinder through hole 35, fixed plate 12 are fixedly connected (as welded) with shell 15；Supporting plate 9 is equipped with hole, and hole is located at the upper of pinch roller 26
Side；
The lifting cavity includes lower shell 10, upper shell 14, lid 18, and lid 18 is equipped with the second screw rod through-hole 32
(screw rod may pass through the second screw rod through-hole, move up and down), lid 18 is threadedly coupled with the upper end of upper shell 14, in upper shell 14
For worm gear chamber 33, the upper end of lower shell 10 and the lower end of upper shell 14 are fixed and (such as weld, or be structure as a whole), in lower shell 10
For screw rod through-hole 34 (screw rod may pass through screw rod through-hole, move up and down)；Lower shell 10 is externally provided with external screw thread, and (outer wall is equipped with outer spiral shell
Line), the tight fastening nut 11 of 35 back spin of lower shell through hole that the lower part of lower shell 10 passes through in fixed plate 12 (passes through fixed plate 12
With fastening nut 11, lifting cavity is fixed on swivel mount)；
Worm gear 16, up-thrust bearing 17, lower thrust-bearing 24 are respectively positioned in the worm gear chamber 33 of lifting cavity, up-thrust bearing
(plane bearing can also be used) 17 is located at the top of worm gear 16, and up-thrust bearing 17 is located at the lower section of lid 18, lower thrust axis
Hold 24 lower sections for being located at worm gear 16；It is that (it is logical that screw rod may pass through screw rod to screw rod through-hole in up-thrust bearing 17, lower thrust-bearing 24
Hole, screw rod can move up and down), worm gear 16 is interior to be equipped with the inner bolt hole to match with screw rod；The lower end of screw rod 20 and supporting plate (or hang
Plate) 9 be fixedly connected (screw rod 20 is located at the rear side of level meter 13, after being in the paper of Fig. 3, before being towards onlooker), screw rod 20 it is upper
End sequentially passes through the screw rod through-hole 34 in lower shell 10, (screw thread connects worm gear 16 in the screw rod through-hole back spin in lower thrust-bearing 24
Connect, worm gear 16 and screw rod constitute screw pair), it is then passed through the screw rod through-hole in up-thrust bearing 17, the second screw rod on lid 18
Through-hole 32 (by worm gear 16, up-thrust bearing 17, lower thrust-bearing 24, screw rod 20 and supporting plate 9 are suspended on lifting cavity)；
The side of upper shell 14 is equipped with worm screw through hole 31, and worm screw 21 is meshed with worm gear 16 (to be matched, worm screw rotation drives worm gear
16 rotations, the rotation of worm gear 16 move up and down screw rod 20, and screw rod 20, which moves up and down, drives supporting plate 9 to move up and down), connecting rod 23
One end is fixedly connected with worm screw 21, and the other end of connecting rod 23 passes through the connecting rod on shell 15 behind hole, connecting rod 23
The other end is connected with rotating handle 25；The connecting rod 23, which is connected by bearing with shell 15, (can also be used 21 both ends of worm screw
It is connected respectively by bearing with upper shell 14).
(existing lifting device can be used) of other structures form also can be used in main lifting device.
15 side of shell is equipped with inner fovea part, and level meter 13 is located at inner fovea part.
15 upper end of shell is hinged with a handle 22, and 15 upper end side of shell is fixed with handle shelf 37, handle
22 are shelved on handle shelf 37.
The left plate 29, right side plate 7 lower end be equipped with the first directive wheel (pulley) 5.
The left plate 29, right side plate 7 upper end be equipped with the second guiding wheel bore, the second directive wheel (pulley) 27 is located at the
Two guiding wheel bore in (second directive wheel 27 is connected by axis with left plate 29 on left plate 29, on right side plate 7 second directive wheel 27 by
Axis is connected with right side plate 7).
The flexible length for slidably scraping leveling ruler 6 is 1-6 meters (can be lengthened to four meter Zhi Liu meters), such facet
Product, large area can construct (four meter Zhi Liu meters).
The aligning ruler of the belt track further includes swivel base 1, and nebenkern is located on swivel base 1.
Operation instruction: opening level meter 13, and the light that the light hole of level meter issues adjusts main lifting device (main lifting dress
The effect set is to realize the adjusting of the flexible height for slidably scraping leveling ruler 6), make the quarter on the optical registration scale 38 of level meter 13
At this moment line stretches and slidably scrapes leveling ruler 6 and be in required level height.By fixed plate 12 and fastening nut 11, cavity will be gone up and down
It is fixed on shell 15；By worm gear 16, up-thrust bearing 17, lower thrust-bearing 24, screw rod 20 and supporting plate 9 are suspended on lifting
On cavity；Worm screw rotation drives worm gear 16 to rotate, and the rotation of worm gear 16 moves up and down screw rod 20, and screw rod 20 moves up and down drive support
Plate 9 moves up and down；The supporting plate 9 of the top plate 8 and main lifting device that slide hanger rail (or scraping leveling ruler track frame) is fixed, i.e., main lifting
Device can drive flexible leveling ruler 6 of slidably scraping to realize lifting；Flexible slidably to scrape leveling ruler 6 and can slide back and forth, realization strikes off range
Variation (rotation including swivel mount), carry out striking off operation.Hand can rotate swivel mount.It is flexible slidably to scrape the hanging of leveling ruler 6
The intermediate place below swivel mount, lifting, flexible, rotation.It is gone up and down using worm and gear, more easy to operate, total height has dropped one
A bit.
Described above is only Application Example of the invention, cannot limit the right model of the present invention with this certainly
It encloses, therefore according to equivalence changes made by scope of the present invention patent, still belongs to protection scope of the present invention.
Claims (3)
1. the aligning ruler of belt track, including main lifting device, sliding hanger rail, it is flexible slidably scrape leveling ruler (6), level meter (13),
Scale (38), ruler end part lifting device；Main lifting device is mounted on swivel mount, and sliding hanger rail is mounted on main lifting device,
Flexible leveling ruler (6) of slidably scraping is slidably mounted on sliding hanger rail, and level meter (13) is fixed on the supporting plate (9) of main lifting device
On；The lower end of scale (38) is threaded on the flexible end for slidably scraping leveling ruler (6), and scale (38) is equipped with groove
(39)；It is characterized by: the swivel mount includes 3 support legs (3), 3 Concentric rotation taper cone pulleies (2), each support leg (3)
Lower end one concentric rotary conic wheel (2) is installed, under the upper end of each support leg (3) and the shell (15) of main lifting device
End is fixedly connected；
The ruler end part lifting device includes elevating lever (4), screw thread orifice plate (19), the second rotating handle (36)；Elevating lever (4)
Top is equipped with external screw thread, and the lower part of elevating lever (4) is column, and the lower outer diameter of elevating lever (4) is less than outside the top of elevating lever (4)
Diameter, the upper end of elevating lever (4) are fixedly connected with the second rotating handle (36)；Screw thread orifice plate (19) is equipped with and elevating lever (4)
The internal thread hole that external screw thread matches；The top of the flexible one end for slidably scraping leveling ruler (6) is equipped with big straight hole, stretches slidably
The lower part for scraping the one end of leveling ruler (6) is equipped with small straight hole, and small straight hole is communicated with big straight hole, and the outer diameter of small straight hole is less than and big straight hole
Outer diameter, screw thread orifice plate (19) is fixed on the flexible one end for slidably scraping leveling ruler (6), the internal thread hole of screw thread orifice plate (19)
It is communicated with big straight hole, small straight hole is inserted into after passing through the internal thread hole of screw thread orifice plate (19), big straight hole in the lower part of elevating lever (4), rises
The top of drop bar (4) is threadedly coupled with screw thread orifice plate (19).
2. the aligning ruler of belt track according to claim 1, it is characterised in that: 3 support legs (3) are circumferentially equal
Cloth.
3. the aligning ruler of belt track according to claim 1, it is characterised in that: shell (15) upper end is hinged with one
Handle (22), shell (15) upper end side are fixed with handle shelf (37), and handle (22) is shelved on handle shelf (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910396028.4A CN110056174B (en) | 2019-05-14 | 2019-05-14 | Leveling ruler with track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910396028.4A CN110056174B (en) | 2019-05-14 | 2019-05-14 | Leveling ruler with track |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110056174A true CN110056174A (en) | 2019-07-26 |
| CN110056174B CN110056174B (en) | 2024-02-13 |
Family
ID=67323079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910396028.4A Active CN110056174B (en) | 2019-05-14 | 2019-05-14 | Leveling ruler with track |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110056174B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006307500A (en) * | 2005-04-27 | 2006-11-09 | Josei Kogyo:Kk | Finishing trowel supporting structure |
| CN201620341U (en) * | 2010-03-30 | 2010-11-03 | 上海捷舟工程机械有限公司 | Walking mechanism of driving type trowelling machine |
| CN206220453U (en) * | 2016-12-05 | 2017-06-06 | 李波平 | Portable levelling machine |
| CN108118903A (en) * | 2018-01-18 | 2018-06-05 | 武汉星级工长建材有限公司 | Levelling machine |
| CN109235897A (en) * | 2018-10-29 | 2019-01-18 | 武汉星级工长建材有限公司 | The levelling constructing device of small area |
| CN210105248U (en) * | 2019-05-14 | 2020-02-21 | 武汉星级工长建材有限公司 | Leveling ruler with tracks |
-
2019
- 2019-05-14 CN CN201910396028.4A patent/CN110056174B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006307500A (en) * | 2005-04-27 | 2006-11-09 | Josei Kogyo:Kk | Finishing trowel supporting structure |
| CN201620341U (en) * | 2010-03-30 | 2010-11-03 | 上海捷舟工程机械有限公司 | Walking mechanism of driving type trowelling machine |
| CN206220453U (en) * | 2016-12-05 | 2017-06-06 | 李波平 | Portable levelling machine |
| CN108118903A (en) * | 2018-01-18 | 2018-06-05 | 武汉星级工长建材有限公司 | Levelling machine |
| CN109235897A (en) * | 2018-10-29 | 2019-01-18 | 武汉星级工长建材有限公司 | The levelling constructing device of small area |
| CN210105248U (en) * | 2019-05-14 | 2020-02-21 | 武汉星级工长建材有限公司 | Leveling ruler with tracks |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110056174B (en) | 2024-02-13 |
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