CN215564609U - Tool for trowelling concrete surface - Google Patents
Tool for trowelling concrete surface Download PDFInfo
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- CN215564609U CN215564609U CN202121118641.9U CN202121118641U CN215564609U CN 215564609 U CN215564609 U CN 215564609U CN 202121118641 U CN202121118641 U CN 202121118641U CN 215564609 U CN215564609 U CN 215564609U
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- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 47
- 230000003028 elevating effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 5
- 230000005012 migration Effects 0.000 abstract description 3
- 238000013508 migration Methods 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 abstract description 2
- 238000005187 foaming Methods 0.000 abstract description 2
- 238000005056 compaction Methods 0.000 abstract 1
- 230000008569 process Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a tool for trowelling a concrete collection surface, which comprises a device shell, wherein a lifting mechanism is arranged in the device shell; through setting up spatula and cylinder, the spatula is at the floating in-process, the cylinder that is located spatula the place ahead carries out the compaction to the concrete, be convenient for quick foaming extrusion in the concrete, thereby increase floating work's efficiency, through setting up the support arm, the relative inboard sliding connection of support arm has the slide, the slide can drive the elasticity telescopic link of its bottom and the connecting box horizontal migration of the elasticity telescopic link other end when carrying out horizontal migration, the spatula that makes the connecting box bottom carries out floating work at the concrete surface, and the spatula incline direction can be adjusted, be convenient for make a round trip to float, traditional artifical floating work has been replaced, only need with the device remove can, the working strength is reduced, and it is comparatively convenient to use.
Description
Technical Field
The utility model belongs to the technical field of building construction, and particularly relates to a tool for trowelling a concrete surface.
Background
In the field of construction, concrete is the most commonly used building material, and when concrete is used for casting a member, air bubbles in the concrete must be removed, the concrete is tamped, the concrete is tightly combined, the phenomena of cellular pitted surface and the like of the concrete are eliminated, the strength of the concrete member is improved, the quality of the concrete member is ensured, and the surface of the concrete member needs to be leveled after the concrete is cast.
A device for floating concrete on the existing market mainly is the spatula, carries out artifical floating to the concrete surface through the handheld spatula of construction worker, and not only can make intensity of labour great like this, and it is convenient inadequately to use, and floating efficiency is lower moreover, therefore proposes a instrument that is used for concrete to receive a face floating.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to overcome the existing defects, and provide a tool for troweling a concrete surface, so as to solve the problems that the prior device for troweling concrete in the market, which is proposed in the background art, is mainly a trowel, and a construction worker holds the trowel to manually trowel the concrete surface, so that the labor intensity is high, the use is inconvenient, and the troweling efficiency is low.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an instrument for concrete is received and is floated, includes the device shell, the inside elevating system that is provided with of device shell, device shell one side symmetry sliding connection has the support arm, the support arm is connected with elevating system, the relative inboard sliding connection of support arm has the slide, the both sides symmetry fixed connection elasticity telescopic link of slide bottom, the elasticity telescopic link other end all with connecting box fixed connection, the connecting box both sides all rotate and are connected with the connecting block, the equal fixed connection in the top of spatula of connecting block, connecting box top fixedly connected with transmission case, the transmission case both sides all rotate and are connected with V type frame, the both ends of V type frame all rotate and are connected with the cylinder.
Preferably, elevating system includes first motor, first lead screw, fixed block and slip table, first motor fixed connection is in the inside bottom of device shell, the first lead screw of output fixedly connected with of first motor, first lead screw outside threaded connection has the fixed block, the both ends of fixed block all with support arm fixed connection, the support arm is located the inside one end of device shell all with slip table sliding connection.
Preferably, the support arm is located the relative inboard fixedly connected with motor housing of the inside one end of device shell, the inside fixedly connected with second motor of motor housing, the equal fixedly connected with connecting axle of two output ends of second motor, the equal fixedly connected with drive bevel gear of the connecting axle other end, the equal meshing of drive bevel gear outside is connected with driven bevel gear, the equal fixedly connected with second lead screw of driven bevel gear one side, drive bevel gear, driven bevel gear and second lead screw all are located the inside of support arm, the equal threaded connection in the second lead screw outside has the slider, the slider all with the inboard sliding connection of support arm, slider fixed connection is in the both sides of slide.
Preferably, the inside fixedly connected with third motor of connecting box, the equal fixedly connected with pivot of two output ends of third motor, the other end of pivot all with connecting block fixed connection.
Preferably, pivot outside fixedly connected with driving pulley, driving pulley passes through the drive belt and is connected with the driven pulley transmission, driven pulley is located the inside of transmission case, driven pulley fixed connection is in the outside of first transmission shaft, the first gear of first transmission shaft outside fixedly connected with, the meshing of first gear outside is connected with the second gear, second gear fixed connection is in the outside of second transmission shaft, the equal fixedly connected with U type connecting piece in both ends of second transmission shaft, the U type connecting piece outside all with the upper end fixed connection of V type frame.
Preferably, the universal wheels are fixedly connected to four corners of the bottom of the device shell, the upper end of the device shell, away from one side of the supporting arm, is fixedly connected with a pushing handle, a control switch is arranged on the outer side of the pushing handle, and the control switch is electrically connected with the first motor, the second motor and the third motor through wires respectively.
Preferably, the bottom end of the spatula and the bottom end of the roller are positioned on the same horizontal plane.
Compared with the prior art, the utility model provides a tool for trowelling a concrete surface, which has the following beneficial effects:
1. according to the trowel and the roller, the roller in front of the trowel compacts concrete in the trowel leveling process, so that bubbles in the concrete can be conveniently and quickly extruded out, and therefore the trowel leveling efficiency is improved;
2. according to the utility model, the supporting arms are arranged, the sliding plates are connected to the inner sides of the supporting arms in a sliding manner, and the sliding plates can drive the elastic telescopic rods at the bottom ends of the sliding plates and the connecting box at the other end of the elastic telescopic rods to move horizontally when moving horizontally, so that the trowel at the bottom end of the connecting box can be trowelled on the concrete surface, the inclination direction of the trowel can be adjusted, the trowel can be conveniently trowelled back and forth, the traditional manual trowelling work is replaced, only the device needs to be moved, the working strength is reduced, and the device is more convenient to use;
3. according to the utility model, the connecting box and the transmission box are arranged, the third motor is arranged in the supporting arm and drives the rotating shafts at two ends of the output end of the supporting arm to rotate, so that the rotating shafts drive the connecting block to rotate on the outer side of the connecting box, the spatula at the bottom end of the connecting block is inclined to a certain extent, meanwhile, when the rotating shafts rotate, the driving belt wheel on the outer side of the rotating shafts drives the driven belt wheel in the transmission box to rotate through the driving belt, the V-shaped frame is driven to rotate through the first transmission shaft, the first gear, the second transmission shaft and the U-shaped connecting piece, the roller at one end of the V-shaped frame falls down, the roller at the other end of the V-shaped frame is lifted, and the roller in front of the spatula is rapidly replaced while the spatula is inclined, so that the use efficiency is improved.
The device has the advantages that the structure is scientific and reasonable, the use is safe and convenient, and great help is provided for people.
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 specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model without limiting the utility model in which:
fig. 1 is a schematic perspective view of a tool for troweling a concrete surface according to the present invention;
FIG. 2 is a schematic view of the internal structure of the device housing of the tool for trowelling concrete surface according to the present invention;
FIG. 3 is a schematic diagram of the internal structure of a support arm and a motor housing of the tool for trowelling a concrete surface according to the present invention;
FIG. 4 is a schematic view of the internal structure of a connecting box and a transmission case of the tool for troweling a concrete surface according to the present invention;
fig. 5 is a front view schematically illustrating a structure of a tool for troweling a concrete surface according to the present invention;
in the figure: the device comprises a device shell 1, a supporting arm 2, a sliding plate 3, an elastic telescopic rod 4, a connecting box 5, a connecting block 6, a spatula 7, a transmission box 8, a V-shaped frame 9, a roller 10, a first motor 11, a first lead screw 12, a fixing block 13, a sliding table 14, a motor shell 15, a second motor 16, a connecting shaft 17, a drive bevel gear 18, a driven bevel gear 19, a second lead screw 20, a sliding block 21, a third motor 22, a rotating shaft 23, a drive belt wheel 24, a transmission belt 25, a driven belt wheel 26, a first transmission shaft 27, a first gear 28, a second gear 29, a second transmission shaft 30, a U-shaped connecting piece 31, a universal wheel 32, a push handle 33 and a control switch 34.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a tool for trowelling a concrete collection surface comprises a device shell 1, wherein a lifting mechanism is arranged inside the device shell 1, one side of the device shell 1 is symmetrically and slidably connected with a supporting arm 2, the supporting arm 2 is connected with the lifting mechanism, the opposite inner side of the supporting arm 2 is slidably connected with a sliding plate 3, two sides of the bottom end of the sliding plate 3 are symmetrically and fixedly connected with elastic telescopic rods 4, the other ends of the elastic telescopic rods 4 are fixedly connected with a connecting box 5, two sides of the connecting box 5 are rotatably connected with connecting blocks 6, the connecting blocks 6 are fixedly connected with the top end of a trowel 7, the top end of the connecting box 5 is fixedly connected with a transmission box 8, two sides of the transmission box 8 are rotatably connected with V-shaped frames 9, two ends of each V-shaped frame 9 are rotatably connected with a roller 10, the trowel 7 and the roller 10 are arranged, the roller 10 positioned in front of the trowel 7 compacts concrete during trowel 7, so as to facilitate rapid foaming extrusion in the concrete, thereby increasing the efficiency of the troweling work.
In the utility model, preferably, the lifting mechanism comprises a first motor 11, a first lead screw 12, a fixed block 13 and a sliding table 14, the first motor 11 is fixedly connected to the bottom end inside the device shell 1, the output end of the first motor 11 is fixedly connected with the first lead screw 12, the outer side of the first lead screw 12 is in threaded connection with the fixed block 13, both ends of the fixed block 13 are fixedly connected with the supporting arm 2, one end of the supporting arm 2, which is located inside the device shell 1, is in sliding connection with the sliding table 14, the first motor 11 drives the first lead screw 12 at the output end to rotate, so that the first lead screw 12 drives the fixed block 13 in threaded connection with the outer side of the supporting arm to lift, both ends of the fixed block 13 are fixedly connected with the supporting arm 2, and further, the fixed block 13 drives the supporting arm 2 to slide up and down along the sliding table 14, and further controls the height of the supporting arm 2.
In the utility model, preferably, a motor housing 15 is fixedly connected to the inner side of the support arm 2 opposite to one end of the device housing 1, a second motor 16 is fixedly connected to the inner side of the motor housing 15, two output ends of the second motor 16 are both fixedly connected with a connecting shaft 17, the other end of the connecting shaft 17 is both fixedly connected with a driving bevel gear 18, a driven bevel gear 19 is engaged and connected to the outer side of the driving bevel gear 18, a second lead screw 20 is fixedly connected to one side of the driven bevel gear 19, the driving bevel gear 18, the driven bevel gear 19 and the second lead screw 20 are all positioned in the support arm 2, a slide block 21 is screwed to the outer side of the second lead screw 20, the slide block 21 is slidably connected to the inner side of the support arm 2, the slide block 21 is fixedly connected to two sides of the slide plate 3, the driving bevel gear 18 is fixedly connected to two ends of the output end of the second motor 16, and a driven bevel gear 19 is engaged and connected to one side of the driving bevel gear 18, driven bevel gear 19's the equal fixedly connected with second lead screw 20 in one side, second lead screw 20 rotates and connects in the inside of support arm 2, and then can drive the inside second lead screw 20 of support arm 2 simultaneously through second motor 16 and rotate, the equal threaded connection in outside of second lead screw 20 has slider 21, slider 21 all slides each other with the inboard of support arm 2 to slider 21 respectively with the both sides fixed connection of slide 3, and then make slider 21 drive slide 3 and carry out horizontal migration.
In the present invention, preferably, the inside of the connection box 5 is fixedly connected with a third motor 22, two output ends of the third motor 22 are both fixedly connected with a rotating shaft 23, the other end of the rotating shaft 23 is both fixedly connected with the connection block 6, the third motor 22 drives the rotating shafts 23 at two ends of the output end to rotate, and further the rotating shaft 23 drives the connection block 6 to rotate at the outside of the connection box 5, so that the spatula 7 at the bottom end of the connection block 6 is inclined to a certain extent.
In the present invention, preferably, a driving pulley 24 is fixedly connected to the outer side of the rotating shaft 23, the driving pulley 24 is in transmission connection with a driven pulley 26 through a transmission belt 25, the driven pulley 26 is located inside the transmission case 8, the driven pulley 26 is fixedly connected to the outer side of a first transmission shaft 27, a first gear 28 is fixedly connected to the outer side of the first transmission shaft 27, a second gear 29 is engaged and connected to the outer side of the first gear 28, the second gear 29 is fixedly connected to the outer side of a second transmission shaft 30, both ends of the second transmission shaft 30 are fixedly connected with U-shaped connecting members 31, the outer side of the U-shaped connecting members 31 is fixedly connected to the upper end of the V-shaped frame 9, when the rotating shaft 23 rotates, the driving pulley 24 on the outer side thereof drives the driven pulley 26 to rotate through the transmission belt 25, the driven pulley 26 is located inside the transmission case 8 and is fixedly connected to the outer side of the first transmission shaft 27, so as to drive the first gear 28 on the outer side thereof to rotate through the first transmission shaft 27, the second gear 29 is engaged with the outer side of the first gear 28, the second gear 29 is fixedly connected with the outer side of the second transmission shaft 30, and the first gear 28 drives the second gear 29 and the second transmission shaft 30 to enable the U-shaped connecting piece 31 on the outer side of the transmission box 8 to rotate for a certain angle, so that the U-shaped connecting piece 31 drives the V-shaped frame 9 to rotate, the roller 10 on one end of the V-shaped frame 9 falls down, and the roller 10 on the other end of the V-shaped frame is lifted up.
In the utility model, preferably, four corners of the bottom end of the device shell 1 are fixedly connected with universal wheels 32, the upper end of one side of the device shell 1, which is far away from the supporting arm 2, is fixedly connected with a push handle 33, a control switch 34 is arranged on the outer side of the push handle 33, the control switch 34 is respectively and electrically connected with the first motor 11, the second motor 16 and the third motor 22 through conducting wires, the device shell 1 is pushed through the push handle 33, and the device shell 1 is convenient to move through the universal wheels 32 at the bottom end.
In the present invention, it is preferable that the bottom end of the spatula 7 is located on the same horizontal plane as the bottom end of the drum 10.
The working principle and the using process of the utility model are as follows: when the device is used, the device shell 1 is pushed by the push handle 33, the device shell 1 is convenient to move through the universal wheel 32 at the bottom end, then the first motor 11 in the lifting mechanism is controlled to work through the control switch 34 at the outer side of the push handle 33, the first motor 11 drives the first lead screw 12 at the output end to rotate, the first lead screw 12 drives the fixed block 13 in threaded connection with the outer side of the first lead screw to lift, two ends of the fixed block 13 are fixedly connected with the support arm 2, the fixed block 13 drives the support arm 2 to slide up and down along the sliding table 14, so as to control the height of the support arm 2, the bottom end of the sliding plate 3 sliding at the inner side of the support arm 2 is symmetrically and fixedly connected with the elastic telescopic rod 4, two sides of the elastic telescopic rod 4 are rotatably connected with the trowels 7 through the connecting blocks 6, at the moment, the trowels 7 are in a horizontal state, when the trowels are needed, the third motor 22 in the connecting box 5 is controlled to work through the control switch 34, the third motor 22 drives the rotating shafts 23 at two ends of the output end to rotate, so that the rotating shafts 23 drive the connecting blocks 6 to rotate outside the connecting box 5, thereby causing the spatula 7 at the bottom end of the connecting blocks 6 to incline to a certain degree, meanwhile, when the rotating shafts 23 rotate, the driving belt wheel 24 at the outer side thereof drives the driven belt wheel 26 to rotate through the driving belt 25, the driven belt wheel 26 is positioned inside the transmission box 8 and is fixedly connected to the outer side of the first transmission shaft 27, thereby driving the first gear 28 at the outer side thereof to rotate through the first transmission shaft 27, the outer side of the first gear 28 is engaged with the second gear 29, the second gear 29 is fixedly connected to the outer side of the second transmission shaft 30, and further driving the second gear 29 and the second transmission shaft 30 through the first gear 28 to rotate the U-shaped connecting member 31 at the outer side of the transmission box 8 by a certain angle, thereby causing the U-shaped connecting member 31 to drive the V-shaped frame 9 to rotate, the roller 10 at one end of the V-shaped frame 9 is dropped, the roller 10 at the other end is lifted, after the trowel 7 inclines, the bottommost end of the trowel 7 and the bottommost end of the roller 10 are located on the same horizontal plane, then the supporting arm 2 moves downwards through the lifting mechanism, when the trowel 7 and the roller 10 are both contacted with the surface of the concrete, the elastic telescopic rod 4 at the top end of the connecting box 5 plays a role of buffering the trowel 7 and the roller 10, and prevents the trowel 7 and the roller 10 from being damaged by excessive force in the troweling process, then the second motor 16 inside the motor shell 15 is controlled to work through the control switch 34, the two ends of the output end of the second motor 16 are both fixedly connected with the driving bevel gear 18, one side of the driving bevel gear 18 is both in meshing connection with the driven bevel gear 19, one side of the driven bevel gear 19 is both fixedly connected with the second lead screw 20, the second lead screw 20 is rotatably connected inside the supporting arm 2, and then the second motor 16 can drive the second lead screw 20 inside the supporting arm 2 to rotate at the same time, the outer side of the second lead screw 20 is connected with a slide block 21 by screw thread, the slide blocks 21 and the inner side of the supporting arm 2 slide mutually, and the slide blocks 21 are respectively fixedly connected with the two sides of the sliding plate 3, and then the slide block 21 drives the slide plate 3 to move horizontally, so that the slide plate 3 drives the elastic expansion link 4 at the bottom end of the slide plate and the connection box 5 at the other end of the elastic expansion link 4 to move horizontally, the trowel 7 at the bottom end of the connection box 5 carries out troweling work on the concrete surface, and during the troweling process, the roller 10 positioned in front of the trowel 7 compacts the concrete, so that the foam in the concrete can be quickly pressed out, thereby increase the efficiency of floating work to replaced artifical floating work, only need with the device remove can, reduced working strength, and it is comparatively convenient to use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A tool for concrete finishing trowelling, comprising a device housing (1), characterized in that: the device is characterized in that a lifting mechanism is arranged inside the device shell (1), a support arm (2) is symmetrically and slidably connected to one side of the device shell (1), the support arm (2) is connected with the lifting mechanism, a sliding plate (3) is slidably connected to the inner side of the support arm (2) relatively, an elastic telescopic rod (4) is fixedly connected to the two sides of the bottom end of the sliding plate (3), the other end of the elastic telescopic rod (4) is fixedly connected with a connecting box (5), connecting blocks (6) are rotatably connected to the two sides of the connecting box (5), the connecting blocks (6) are fixedly connected to the top end of a spatula (7), a transmission box (8) is fixedly connected to the top end of the connecting box (5), V-shaped frames (9) are rotatably connected to the two sides of the transmission box (8), and rollers (10) are rotatably connected to the two ends of the V-shaped frames (9).
2. A tool for concrete finishing trowelling according to claim 1, characterized in that: elevating system includes first motor (11), first lead screw (12), fixed block (13) and slip table (14), first motor (11) fixed connection is in the inside bottom of device shell (1), the first lead screw (12) of output fixedly connected with of first motor (11), first lead screw (12) outside threaded connection has fixed block (13), the both ends of fixed block (13) all with support arm (2) fixed connection, support arm (2) are located the inside one end of device shell (1) and all with slip table (14) sliding connection.
3. A tool for concrete finishing trowelling according to claim 1, characterized in that: the inner side of one end of the supporting arm (2) which is positioned in the device shell (1) is fixedly connected with a motor shell (15), a second motor (16) is fixedly connected in the motor shell (15), two output ends of the second motor (16) are fixedly connected with a connecting shaft (17), the other end of the connecting shaft (17) is fixedly connected with a driving bevel gear (18), the outer side of the driving bevel gear (18) is engaged with a driven bevel gear (19), one side of the driven bevel gear (19) is fixedly connected with a second screw rod (20), the driving bevel gear (18), the driven bevel gear (19) and the second lead screw (20) are all positioned inside the supporting arm (2), the outer side of the second lead screw (20) is connected with a sliding block (21) in a threaded manner, the sliding block (21) is connected with the inner side of the supporting arm (2) in a sliding manner, and the sliding block (21) is fixedly connected to two sides of the sliding plate (3).
4. A tool for concrete finishing trowelling according to claim 1, characterized in that: the inside fixedly connected with third motor (22) of connecting box (5), the equal fixedly connected with pivot (23) of two outputs of third motor (22), the other end of pivot (23) all with connecting block (6) fixed connection.
5. A tool for concrete finishing trowelling according to claim 4, characterized in that: the utility model discloses a gear box, including pivot (23) outside fixedly connected with driving pulley (24), driving pulley (24) are connected with driven pulley (26) transmission through drive belt (25), driven pulley (26) are located the inside of transmission case (8), driven pulley (26) fixed connection is in the outside of first transmission shaft (27), first transmission shaft (27) outside fixedly connected with first gear (28), first gear (28) outside meshing is connected with second gear (29), second gear (29) fixed connection is in the outside of second transmission shaft (30), the equal fixedly connected with U type connecting piece (31) in both ends of second transmission shaft (30), the U type connecting piece (31) outside all with the upper end fixed connection of V type frame (9).
6. A tool for concrete finishing trowelling according to claim 1, characterized in that: the device is characterized in that universal wheels (32) are fixedly connected to four corners of the bottom end of the device shell (1), the upper end of the device shell (1) far away from one side of the supporting arm (2) is fixedly connected with a pushing handle (33), a control switch (34) is arranged on the outer side of the pushing handle (33), and the control switch (34) is electrically connected with the first motor (11), the second motor (16) and the third motor (22) through wires respectively.
7. A tool for concrete finishing trowelling according to claim 1, characterized in that: the bottom end of the spatula (7) and the bottom end of the roller (10) are positioned on the same horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121118641.9U CN215564609U (en) | 2021-05-24 | 2021-05-24 | Tool for trowelling concrete surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121118641.9U CN215564609U (en) | 2021-05-24 | 2021-05-24 | Tool for trowelling concrete surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215564609U true CN215564609U (en) | 2022-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121118641.9U Expired - Fee Related CN215564609U (en) | 2021-05-24 | 2021-05-24 | Tool for trowelling concrete surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215564609U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114561854A (en) * | 2022-03-08 | 2022-05-31 | 河南永鑫路桥工程有限公司 | Concrete road surface leveling device that vibrates |
| CN114990945A (en) * | 2022-06-24 | 2022-09-02 | 中国五冶集团有限公司 | Concrete chamfering and surface collecting device and method for ballastless track base |
-
2021
- 2021-05-24 CN CN202121118641.9U patent/CN215564609U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114561854A (en) * | 2022-03-08 | 2022-05-31 | 河南永鑫路桥工程有限公司 | Concrete road surface leveling device that vibrates |
| CN114990945A (en) * | 2022-06-24 | 2022-09-02 | 中国五冶集团有限公司 | Concrete chamfering and surface collecting device and method for ballastless track base |
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Granted publication date: 20220118 |