CN218090396U - Ground cement advances automatic paving equipment for building - Google Patents
Ground cement advances automatic paving equipment for building Download PDFInfo
- Publication number
- CN218090396U CN218090396U CN202222146843.5U CN202222146843U CN218090396U CN 218090396 U CN218090396 U CN 218090396U CN 202222146843 U CN202222146843 U CN 202222146843U CN 218090396 U CN218090396 U CN 218090396U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- fixed frame
- driving motor
- cement
- fixed
- 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.)
- Expired - Fee Related
Links
- 239000004568 cement Substances 0.000 title claims abstract description 51
- 230000001105 regulatory effect Effects 0.000 claims abstract description 23
- 238000009966 trimming Methods 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 3
- 230000008263 repair mechanism Effects 0.000 abstract 1
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
Images
Landscapes
- Road Paving Machines (AREA)
Abstract
The utility model discloses a ground cement advances automatic paving equipment for building, concretely relates to cement road surfacing technical field, including the mount, swing joint has the removal wheel respectively in the both sides at mount both ends. The utility model discloses an opposite side between the inside both ends of mount is provided with the repair mechanism, can repair the cement road surface of coming to lay through the outside swing joint of pivot when using to repair the roller, and rotate the rotatable regulating spindle of carousel and drive the regulating block through threaded connection and reciprocate, it reciprocates to drive the pivot through the connecting rod when the regulating block reciprocates, fixed connection is in the outside of stabilizing the slide bar and slides along with it at the slider of connecting rod opposite side simultaneously, the effect of carrying out stabilizing the support to the pivot has been reached, the purpose of highly adjusting the roller has been reached that can stabilize, thereby realized can repair the purpose to the cement road surface of different specification heights, the suitability of device has been improved.
Description
Technical Field
The utility model relates to a cement road surface lays technical field, specifically is a ground cement advances automatic system equipment that paves for building.
Background
The existing automatic cement-advancing paving equipment for the ground for the building is produced by the operation, but the existing automatic cement-advancing paving equipment for the ground for the building still has some defects in the actual use process.
In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved: cement cannot be evenly and quickly fed, and the phenomenon of blocking a pipeline is easy to occur; the cement which cannot be paved on the road surface is uniformly tamped, and the paving quality is not high; the cement road surfaces with different specifications and heights cannot be finished, and the applicability is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic equipment of making of advancing of ground cement for building to provide the problem that can not carry out even quick unloading to cement in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automatic equipment of making of marcing of ground cement for building, includes the mount, the both sides at mount both ends have the removal wheel respectively swing joint, the intermediate position department of mount top one side is provided with the feed chute, the bottom fixedly connected with unloading pipe of feed chute, the first driving motor of one side fixedly connected with of mount top one end, one side swing joint between the inside both ends of mount has the roller of gathering together, the one end of gathering together the roller runs through the inside one end of mount, the output of first driving motor and the one end of gathering together the roller are the fixedly connected with belt pulley respectively, be provided with the drive belt between the belt pulley, one side between the inside both ends of mount is provided with tamping mechanism, the opposite side between the inside both ends of mount is provided with trimming mechanism, the inside of feed chute is provided with unloading mechanism.
The blanking mechanism comprises a second driving motor, the second driving motor is arranged inside the feeding groove, a flow guide cover is fixedly connected to the top end of the second driving motor, the output end of the second driving motor is fixedly connected with a conveying shaft, a supporting rod is uniformly and fixedly connected to the outer portion of the second driving motor, and one end of the supporting rod is fixedly connected with the inner portion of the feeding groove.
Preferably, four groups of support rods are arranged, and the support rods are annularly distributed outside the second driving motor.
Preferably, tamping mechanism comprises connection diaphragm, ram, vibrating motor, buffer spring and fixed plate, the connection diaphragm sets up the top of one side between the inside both ends of mount, the intermediate position department fixedly connected with vibrating motor on connection diaphragm top, the even fixedly connected with ram in bottom of connection diaphragm, four corners difference fixedly connected with buffer spring of connection diaphragm bottom, the fixed plate is fixed connection in one side at the inside both ends top of mount respectively, buffer spring's bottom respectively with the top fixed connection of fixed plate.
Preferably, the tamper is provided with seven groups, the tamper is in equidistant range in the bottom of connecting the diaphragm.
Preferably, the trimming mechanism comprises carousel, set casing, trimming roller, pivot, connecting rod, fixed frame, stabilizing slide bar, slider, preformed groove, regulating block and regulating spindle, set casing fixed connection is in the one end of the inside opposite side of mount, intermediate position department swing joint between the inside both ends of set casing has the regulating spindle, the inside top of set casing is run through on the top of regulating spindle, the top fixedly connected with carousel of regulating spindle, the outside of regulating spindle is provided with the regulating block, fixed frame fixed connection is at the other end of the inside opposite side of mount, the fixedly connected with stabilizing slide bar between the inside both ends of fixed frame, the outside of stabilizing slide bar is provided with the slider, the pivot sets up the opposite side between the inside both ends of mount, the outside swing joint of pivot has the trimming roller, the both ends of pivot are fixedly connected with the connecting rod respectively, the one end of set casing is provided with the preformed groove, the one end fixed connection of preformed groove and regulating block is run through to the one end of connecting rod, the other end of connecting rod and the one end fixed connection of slider.
Preferably, the outside of regulating spindle is provided with the external screw thread, the inside of regulating block is provided with the internal thread with external screw thread matched with, constitute threaded connection between regulating spindle and the regulating block.
Compared with the prior art, the beneficial effects of the utility model are that: the automatic ground cement advancing paving equipment for the building not only realizes uniform and quick blanking of cement, uniform tamping of cement paved to a road surface, but also finishing of cement road surfaces with different specifications and heights;
(1) The blanking mechanism is arranged in the feeding groove, when in use, the second driving motor arranged in the feeding groove drives the conveying shaft to rotate in the feeding groove and the blanking pipe, cement materials are conveyed downwards uniformly and quickly through the conveying shaft, the influence of cement blocking on a pipeline on the normal operation of laying work is prevented, meanwhile, the supporting rod fixedly connected to the outer part of the second driving motor supports and fixes the second driving motor, and the air guide sleeve fixedly connected to the top end of the second driving motor can prevent cement from accumulating to influence the heat dissipation of the second driving motor, so that the operability is high;
(2) The tamping mechanism is arranged on one side between two ends in the fixing frame, after cement is paved by using the gathering roller, the vibrating motor fixedly connected to the middle position of the top end of the connecting transverse plate is started to drive the tamping rod to vibrate and tamp the cement, so that the pavement is more uniform, the paving quality of the cement pavement is improved, meanwhile, the connecting transverse plate is fixedly connected with the fixing plate through the buffer spring, the aim of installing and positioning the mechanism is fulfilled, the buffer spring is used for buffering, and the noise is reduced;
(3) Be provided with through the opposite side between the inside both ends of mount and repair the mechanism, can repair the cement road surface of coming to lay through the outside swing joint of pivot when using and repair the roller, and rotate the rotatable regulating spindle of carousel and drive the regulating block through threaded connection and reciprocate, the regulating block drives the pivot through the connecting rod when reciprocating and reciprocates, fixed connection is in the outside of stabilizing the slide bar at the slider of connecting rod opposite side and slides along with it simultaneously, the effect of carrying out the outrigger to the pivot has been reached, the purpose of highly adjusting to the roller of repairing that can be stable has been reached, thereby realized can repairing the purpose to the cement road surface of different specification heights, the suitability of device has been improved.
Drawings
FIG. 1 is a schematic view of the front cross-sectional structure of the present invention;
FIG. 2 is a schematic side view of a partial structure of the present invention;
fig. 3 is a schematic side view of the tamping mechanism of the present invention;
fig. 4 is a schematic side view of the trimming mechanism of the present invention.
In the figure: 1. a fixed mount; 2. a feeding pipe; 3. a feed chute; 4. a delivery shaft; 5. a support bar; 6. a first drive motor; 7. gathering rollers; 8. a tamping mechanism; 801. connecting the transverse plates; 802. a tamping rod; 803. a vibration motor; 804. a buffer spring; 805. a fixing plate; 9. a dressing mechanism; 901. a turntable; 902. a stationary case; 903. trimming the roller; 904. a rotating shaft; 905. a connecting rod; 906. a fixing frame; 907. stabilizing the slide bar; 908. a slider; 909. reserving a groove; 910. a regulating block; 911. an adjustment shaft; 10. a moving wheel; 11. a transmission belt; 12. a belt pulley; 13. a second drive motor; 14. and a flow guide cover.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Example 1: referring to fig. 1-4, an automatic paving device for advancing ground cement for buildings comprises a fixed frame 1, wherein two sides of two ends of the fixed frame 1 are respectively and movably connected with a movable wheel 10, a feed chute 3 is arranged at the middle position of one side of the top end of the fixed frame 1, a blanking pipe 2 is fixedly connected to the bottom end of the feed chute 3, a first driving motor 6 is fixedly connected to one side of one end of the top of the fixed frame 1, a gathering roller 7 is movably connected to one side between the two ends inside the fixed frame 1, one end of the gathering roller 7 penetrates through one end inside the fixed frame 1, a belt pulley 12 is respectively and fixedly connected to the output end of the first driving motor 6 and one end of the gathering roller 7, a transmission belt 11 is arranged between the belt pulleys 12, a tamping mechanism 8 is arranged on one side between the two ends inside the fixed frame 1, a trimming mechanism 9 is arranged on the other side between the two ends inside the fixed frame 1, and a blanking mechanism is arranged inside the feed chute 3;
referring to fig. 1-4, the automatic paving equipment for advancing ground cement for buildings further comprises a blanking mechanism, wherein the blanking mechanism comprises a second driving motor 13, the second driving motor 13 is arranged inside the feed chute 3, the top end of the second driving motor 13 is fixedly connected with a flow guide cover 14, the output end of the second driving motor 13 is fixedly connected with a conveying shaft 4, the outside of the second driving motor 13 is uniformly and fixedly connected with supporting rods 5, and one end of each supporting rod 5 is respectively and fixedly connected with the inside of the feed chute 3; four groups of support rods 5 are arranged, and the support rods 5 are annularly distributed outside the second driving motor 13;
specifically, as shown in fig. 1 and fig. 2, when the cement paving machine is used, the conveying shaft 4 is driven by the second driving motor 13 arranged inside the feed chute 3 to rotate inside the feed chute 3 and the blanking pipe 2, cement is conveyed downwards uniformly and quickly through the conveying shaft 4, the phenomenon that the pipeline is blocked by cement to influence the normal operation of the paving work is prevented, meanwhile, the supporting rod 5 fixedly connected to the outside of the second driving motor 13 supports and fixes the supporting rod, and the air guide sleeve 14 fixedly connected to the top end of the second driving motor 13 can prevent the cement from accumulating to influence the heat dissipation of the second driving motor 13, so that the operability is high.
Example 2: the tamping mechanism 8 is composed of a connecting transverse plate 801, a tamping bar 802, a vibration motor 803, a buffer spring 804 and a fixing plate 805, the connecting transverse plate 801 is arranged at the top of one side between two ends in the fixing frame 1, the vibration motor 803 is fixedly connected at the middle position of the top end of the connecting transverse plate 801, the tamping bar 802 is uniformly and fixedly connected at the bottom end of the connecting transverse plate 801, the buffer springs 804 are respectively and fixedly connected at four corners of the bottom end of the connecting transverse plate 801, the fixing plate 805 is respectively and fixedly connected at one side of the tops of two ends in the fixing frame 1, and the bottom ends of the buffer springs 804 are respectively and fixedly connected with the top end of the fixing plate 805; seven groups of tamping rods 802 are arranged, and the tamping rods 802 are arranged at equal intervals at the bottom end of the connecting transverse plate 801;
specifically, as shown in fig. 1 and fig. 3, after cement is tiled and laid by using the gathering roller 7, the vibrating motor 803 fixedly connected to the middle position of the top end of the connecting transverse plate 801 is started to drive the tamping rod 802 to vibrate and tamp the cement, so that pavement is more uniform, the quality of cement pavement is improved, meanwhile, the connecting transverse plate 801 is fixedly connected with the fixing plate 805 through the buffer spring 804, the purpose of installing and positioning the mechanism is achieved, buffering is performed through the buffer spring 804, and noise is reduced.
Example 3: the trimming mechanism 9 comprises a rotary table 901, a fixed shell 902, a trimming roller 903, a rotary shaft 904, a connecting rod 905, a fixed frame 906, a stable sliding rod 907, a sliding block 908, a reserved groove 909, an adjusting block 910 and an adjusting shaft 911, wherein the fixed shell 902 is fixedly connected to one end of the other side in the fixed frame 1, the adjusting shaft 911 is movably connected to the middle position between the two ends in the fixed shell 902, the top end of the adjusting shaft 911 penetrates through the top end in the fixed shell 902, the top end of the adjusting shaft 911 is fixedly connected with the rotary table 901, the adjusting block 910 is arranged outside the adjusting shaft 911, the fixed frame 906 is fixedly connected to the other end of the other side in the fixed frame 1, the stable sliding rod 907 is fixedly connected between the two ends in the fixed frame 906, the sliding block 908 is arranged outside the stable sliding rod 907, the rotary shaft 904 is arranged on the other side between the two ends in the fixed frame 1, the trimming roller 903 is movably connected outside the rotary shaft 904, the two ends of the rotary shaft 904 are respectively and fixedly connected with the connecting rod 905, one end of the fixed shell 902 is provided with the reserved groove 909, one end of the connecting rod 905 penetrates through the reserved groove 909 and one end of the adjusting block 910 and the other end of the connecting rod 905 is fixedly connected with one end of the sliding block 908;
the outer part of the adjusting shaft 911 is provided with an external thread, the inner part of the adjusting block 910 is provided with an internal thread matched with the external thread, and the adjusting shaft 911 and the adjusting block 910 form a threaded connection;
specifically, as shown in fig. 1 and 4, when the device is used, the paved cement road surface can be trimmed by the trimming roller 903 through the external movable connection of the rotating shaft 904, the rotating turntable 901 can rotate the adjusting shaft 911 to drive the adjusting block 910 to move up and down through threaded connection, the adjusting block 910 can drive the rotating shaft 904 to move up and down through the connecting rod 905 while moving up and down, meanwhile, the sliding block 908 fixedly connected to the other side of the connecting rod 905 slides outside the stabilizing sliding rod 907, so that the effect of stably supporting the rotating shaft 904 is achieved, the purpose of stably adjusting the height of the trimming roller 903 is achieved, the purpose of trimming the cement road surfaces with different specifications and heights is achieved, and the applicability of the device is improved.
The working principle is as follows: the utility model discloses when using, through setting up the inside rotation at feed chute 3 and unloading pipe 2 of second driving motor 13 drive transport axle 4 inside feed chute 3, carry out the even quick transport downwards with the cement material through carrying axle 4, prevent that cement from blockking up the normal clear of pipeline influence laying work, fixed connection supports fixedly at the outside bracing piece 5 of second driving motor 13 to it simultaneously, and fixed connection can prevent that cement from piling up influence second driving motor 13 heat dissipation at the kuppe 14 on second driving motor 13 top, use gather together roller 7 and lay cement tiling after start-up fixed connection and drive pole 802 and vibrate the tamping of pounding 802 to cement at the vibrating motor 803 of connecting diaphragm 801 top intermediate position department, make road surface laying more even, the quality of cement road surface laying has been improved, connect diaphragm 801 simultaneously and connect through buffer spring 804 and fixed the reaching the purpose of installing the location to the mechanism with fixed plate 805, the outside swing joint that can be maintained the cement that the division roller 903 can be maintained the cement that comes through pivot 904 to the stable road surface that the slider 904 has reached the stable specification that the slider 904 that the fixed connection pole 904 has moved when using, and has reached the stable slider 904 that the other side of the stable adjustment of the slider 904 that has moved up and has reached the fixed adjustment pole 904 through the fixed adjustment block 911 of buffer spring 901, thereby the rotatable adjusting block 911 of the rotatable carousel 901 of rotating turntable 901 when using.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides an automatic equipment of making of advancing of ground cement for building, includes mount (1), its characterized in that: the automatic feeding device is characterized in that two sides of two ends of the fixing frame (1) are respectively and movably connected with moving wheels (10), a feeding groove (3) is formed in the middle position of one side of the top end of the fixing frame (1), a blanking pipe (2) is fixedly connected to the bottom end of the feeding groove (3), a first driving motor (6) is fixedly connected to one side of one end of the top of the fixing frame (1), a gathering roller (7) is movably connected to one side between the two ends inside the fixing frame (1), one end of the gathering roller (7) penetrates through one end inside the fixing frame (1), a belt pulley (12) is respectively and fixedly connected to the output end of the first driving motor (6) and one end of the gathering roller (7), a transmission belt (11) is arranged between the belt pulleys (12), a tamping mechanism (8) is arranged on one side between the two ends inside the fixing frame (1), a trimming mechanism (9) is arranged on the other side between the two ends inside the fixing frame (1), and a blanking mechanism is arranged inside the feeding groove (3);
the blanking mechanism comprises a second driving motor (13), the second driving motor (13) is arranged inside the feeding groove (3), the top end of the second driving motor (13) is fixedly connected with a flow guide cover (14), the output end of the second driving motor (13) is fixedly connected with a conveying shaft (4), the supporting rod (5) is uniformly and fixedly connected to the outside of the second driving motor (13), and one end of the supporting rod (5) is fixedly connected with the inside of the feeding groove (3) respectively.
2. A ground cement advancing automatic paving apparatus for building according to claim 1, characterized in that: the support rods (5) are provided with four groups, and the support rods (5) are annularly distributed outside the second driving motor (13).
3. A ground cement advancing automatic paving apparatus for building according to claim 1, characterized in that: tamping mechanism (8) comprise connection diaphragm (801), tamping bar (802), vibrating motor (803), buffer spring (804) and fixed plate (805), connection diaphragm (801) set up the top of one side between mount (1) inside both ends, the intermediate position department fixedly connected with vibrating motor (803) on connection diaphragm (801) top, the even fixedly connected with tamping bar (802) in bottom of connection diaphragm (801), four corners difference fixedly connected with buffer spring (804) of connection diaphragm (801) bottom, fixed plate (805) difference fixed connection is in one side at mount (1) inside both ends top, the bottom of buffer spring (804) respectively with the top fixed connection of fixed plate (805).
4. A ground cement advance automatic paving equipment for building according to claim 3, characterized in that: the tamping rods (802) are provided with seven groups, and the tamping rods (802) are arranged at equal intervals at the bottom ends of the connecting transverse plates (801).
5. A ground cement advancing automatic paving apparatus for building according to claim 1, characterized in that: the trimming mechanism (9) comprises a rotary table (901), a fixed shell (902), a trimming roller (903), a rotating shaft (904), a connecting rod (905), a fixed frame (906), a stable sliding rod (907), a sliding block (908), a reserved groove (909), an adjusting block (910) and an adjusting shaft (911), wherein the fixed shell (902) is fixedly connected to one end of the other side in the fixed frame (1), the adjusting shaft (911) is movably connected to the middle position between the two ends in the fixed frame (902), the top end of the adjusting shaft (911) penetrates through the top end in the fixed frame (902), the rotary table (901) is fixedly connected to the top end of the adjusting shaft (911), the adjusting block (910) is arranged outside the adjusting shaft (911), the fixed frame (906) is fixedly connected to the other end of the other side in the fixed frame (1), the stable sliding rod (907) is fixedly connected between the two ends in the fixed frame (906), the sliding block (908) is arranged outside the stable sliding rod (907), the rotating shaft (904) is arranged on the other side between the two ends in the fixed frame (1), the fixed frame (904) is movably connected to the fixed frame (905), and the two ends of the fixed frame (903) are respectively connected to the fixed frame (904), one end of the connecting rod (905) penetrates through the reserved groove (909) and one end of the adjusting block (910) to be fixedly connected, and the other end of the connecting rod (905) is fixedly connected with one end of the sliding block (908).
6. A ground cement advance automatic paving apparatus for building according to claim 5, characterized in that: the external portion of regulating spindle (911) is provided with the external screw thread, the inside of regulating block (910) is provided with the internal thread that cooperatees with the external screw thread, constitute threaded connection between regulating spindle (911) and regulating block (910).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202222146843.5U CN218090396U (en) | 2022-08-16 | 2022-08-16 | Ground cement advances automatic paving equipment for building |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202222146843.5U CN218090396U (en) | 2022-08-16 | 2022-08-16 | Ground cement advances automatic paving equipment for building |
Publications (1)
Publication Number | Publication Date |
---|---|
CN218090396U true CN218090396U (en) | 2022-12-20 |
Family
ID=84446631
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202222146843.5U Expired - Fee Related CN218090396U (en) | 2022-08-16 | 2022-08-16 | Ground cement advances automatic paving equipment for building |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN218090396U (en) |
-
2022
- 2022-08-16 CN CN202222146843.5U patent/CN218090396U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN211619570U (en) | Movable hydraulic cable laying machine | |
CN111636277A (en) | Tamping and leveling device for building concrete laying | |
CN106087690A (en) | A kind of town road index device | |
CN218090396U (en) | Ground cement advances automatic paving equipment for building | |
CN110775646A (en) | Floor tile is with spreading diaphragm equipment | |
CN112297080A (en) | Pipe cutting machine for producing wire harnesses | |
CN209922206U (en) | Electric automatization conveyer | |
CN113585684B (en) | Floor tile laying device for building construction | |
CN206030213U (en) | Lapping system is used in lapping machine and prefab production | |
CN210420804U (en) | Asphalt paver | |
CN108867273B (en) | Concrete paver | |
CN214783101U (en) | Highway is road surface leveling device for construction | |
CN108532419B (en) | Asphalt paving machine jolt ramming mechanism | |
CN210975458U (en) | Lime powder laying device for construction of building highway | |
CN115369723A (en) | Municipal road construction equipment and method | |
CN220502247U (en) | Cable conveyor for cable laying | |
CN110258265A (en) | A kind of road and bridge construction pitch can quickly jolt ramming mechanism, application method and its asphalt-spreader | |
CN112962444B (en) | Installation and construction method for expansion joint of steel bridge | |
CN218404954U (en) | Asphalt pavement paving equipment | |
CN221029426U (en) | Leveling device for large-area concrete | |
CN219824820U (en) | Highway road surface leveling structure | |
CN218027049U (en) | Ultrathin finish coat laying device for warm-mixed asphalt concrete | |
CN118345776B (en) | Highway side slope trimming equipment and working method thereof | |
CN219196752U (en) | Concrete leveling frame | |
CN213114219U (en) | Interlocking block laying clamp |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221220 |