CN211735569U - Be used for land leveling compaction device - Google Patents

Be used for land leveling compaction device Download PDF

Info

Publication number
CN211735569U
CN211735569U CN201922390545.9U CN201922390545U CN211735569U CN 211735569 U CN211735569 U CN 211735569U CN 201922390545 U CN201922390545 U CN 201922390545U CN 211735569 U CN211735569 U CN 211735569U
Authority
CN
China
Prior art keywords
wall
soil
chassis
bolt
installation piece
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
Application number
CN201922390545.9U
Other languages
Chinese (zh)
Inventor
李生
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henan Yiren Landscaping Co ltd
Original Assignee
Henan Yiren Landscaping Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Henan Yiren Landscaping Co ltd filed Critical Henan Yiren Landscaping Co ltd
Priority to CN201922390545.9U priority Critical patent/CN211735569U/en
Application granted granted Critical
Publication of CN211735569U publication Critical patent/CN211735569U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Road Paving Machines (AREA)

Abstract

The utility model discloses a be used for soil to level compaction device, including the chassis, chassis side inner wall installs the fixed plate through the bolt, and fixed plate one side outer wall installs the shovel native board through the bolt, chassis both sides outer wall is installed two through the bolt and is the installation piece, and rotate through the hinge between two relative one side outer walls of installation piece and be connected with the mounting bracket, installation piece one side outer wall top is rotated through the hinge and is connected with the pneumatic cylinder, and the pneumatic cylinder keeps away from the one end of installation piece and rotates through the hinge and connect on mounting bracket top outer wall, it is connected with the cylinder to rotate through the bearing between the both sides inner wall of installation piece is kept away from to the mounting bracket, support. The utility model discloses a shovel native board that sets up, shovel native board can be leveled the bellied ground in the device the place ahead during the use to soil after will shoveling is impeld forward, when the device impels soil through hole hollow ground, the soil of shoveling flat can fall into hole hollow inside, thereby tends to level and smooth to making the soil.

Description

Be used for land leveling compaction device
Technical Field
The utility model relates to a gardens technical field especially relates to a be used for land leveling compaction device.
Background
Land leveling is a necessary condition for ground building engineering and land finishing, and is characterized in that uneven land is cut to be high and filled to be low, so that the land becomes a ground with a proper gradient, and the land is more convenient to use and develop in the future.
Current soil levelling machine only sets up a leveling wheel in the frame usually, when leveling the operation, if when meetting great clod, will not fine play the effect of leveling the soil, later stage needs the manual work to go to break into pieces great clod to carry out local level and smooth, waste time and energy. Accordingly, there is a need to devise a land leveling compaction apparatus that addresses the above-mentioned problems.
Disclosure of Invention
The utility model aims at solving the problem that the land leveling machine existing in the prior art is poor in leveling effect in the face of the massive soil blocks and cannot overcome the defect of land compaction after leveling, and the proposed land leveling and compacting device.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a be used for soil to level compaction device, includes the chassis, the fixed plate is installed through the bolt to chassis side inner wall, and fixed plate one side outer wall installs the shovel native board through the bolt, the installation piece is installed through the bolt to chassis both sides outer wall, and rotates through the hinge between two relative one side outer walls of installation piece and be connected with the mounting bracket, installation piece one side outer wall top is rotated through the hinge and is connected with the pneumatic cylinder, and the one end that the installation piece was kept away from to the pneumatic cylinder rotates through the hinge and connects on mounting bracket top outer wall, rotate through the bearing between the relative one side inner wall of mounting bracket.
The key concept of the technical scheme is as follows: through the shovel native board that sets up, the shovel native board can be leveled the bellied ground in the device the place ahead when using to soil after will shoveling is impeld forward, when the device impels soil through hole hollow ground, the soil of shoveling flat can fall into hole hollow inside, thereby tends to level and smooth to making the soil.
Further, the support is installed through the bolt to chassis top outer wall, and the motor is installed through the bolt to support top outer wall, the motor output has the runner through the key connection, and the runner is kept away from one side outer wall rotation of motor and is connected with the crank, chassis one side outer wall is opened there is first spout, and the inside sliding connection of first spout has the slider, the slider is inside to be connected with the second axis of rotation through the bearing rotation, the second axis of rotation passes through the bearing rotation with the crank and is connected, be connected with the roller that rolls through the bearing on the side outer wall of second axis of rotation.
Furthermore, the outer walls of the two sides of the underframe and the outer walls of the two sides of the installation block are respectively welded with a clamping block, a sliding rod is inserted into the clamping block, the outer wall of the bottom of the sliding rod is provided with a universal wheel through threads, the outer wall of the bottom of the outer wall of the side surface of the sliding rod is sleeved with a spring, and the spring is located between the universal wheel and the clamping block.
Furthermore, a second sliding groove is formed in the inner wall of one side, opposite to the first sliding groove, of the fixing plate, and one end, far away from the first sliding groove, of the second rotating shaft is inserted into the second sliding groove.
Furthermore, the outer wall welding of chassis one side has the support frame, and chassis top outer wall has connect the traction frame.
Furthermore, a filter screen (14) is installed on the inner wall of the bottom of the fixing plate (15) through bolts, and the mesh number of the filter screen (14) is about 4-5 meshes.
The utility model has the advantages that:
1. through the shovel native board that sets up, the shovel native board can be leveled the bellied ground in the device the place ahead when using to soil after will shoveling is impeld forward, when the device impels soil through hole hollow ground, the soil of shoveling flat can fall into hole hollow inside, thereby tends to level and smooth to making the soil.
2. Through the cylinder that sets up, the inside solid construction that is of cylinder makes the inside clearance of soil littleer to the soil application pressure of the device process when removing to make soil compaction, and make soil surface level and smooth more.
3. Through the roller and the filter screen that set up, partial clod is because of unable fill hollow ground to on the filter screen is fallen in the thrust influence, again by the roller crushing of filter screen top, the soil after the crushing drops ground again through the filter screen filtration, and on the filter screen then can be stayed to the clod or the stone of unable crushing, waits for the staff clearance.
Drawings
Fig. 1 is a schematic structural view of a land leveling and compacting device according to the present invention;
FIG. 2 is an exploded view of a universal wheel structure for a land leveling and compacting device according to the present invention;
fig. 3 is an enlarged schematic view of a partial structure of a for a land leveling and compacting device according to the present invention.
In the figure: the device comprises a base frame 1, a soil shoveling plate 2, a motor 3, a rotating wheel 4, a crank 5, a sliding block 6, a universal wheel 7, a supporting frame 8, a mounting block 9, a hydraulic cylinder 10, a roller 11, a mounting frame 12, a bracket 13, a filter screen 14, a fixing plate 15, a rolling roller 16, a sliding rod 17, a spring 18, a wheel frame 19, a second sliding groove 20, a traction frame 21, a second rotating shaft 22, a clamping block 23 and a first sliding groove 24.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, a device for leveling and compacting soil comprises a base frame 1, a fixing plate 15 is mounted on the inner wall of the side surface of the base frame 1 through bolts, the fixing plate 15 is used for mounting a scraper 2 and a filter screen 14 and preventing soil blocks falling onto the filter screen 14 from falling, the scraper 2 is mounted on the outer wall of one side of the fixing plate 15 through bolts, the scraper 2 is used for leveling the ground, two mounting blocks 9 are mounted on the outer walls of two sides of the base frame 1 through bolts, the mounting blocks 9 are used for mounting a mounting frame 12 and two universal wheels 7, a mounting frame 12 is rotatably connected between the outer walls of one side opposite to the two mounting blocks 9 through hinges, a hydraulic cylinder 10 is rotatably connected to the top of the outer wall of one side of the mounting block 9 through a hinge, the hydraulic cylinder 10 is used for adjusting the falling height of a roller 11 so as to adjust the pressure of the roller 11 on the ground, and one end of the hydraulic cylinder 10 far, a roller 11 is rotatably connected between the inner walls of the opposite sides of the mounting frame 12 through bearings, and the roller 11 is used for compacting the ground.
As can be seen from the above description, the present invention has the following advantages: through the shovel native board 2 that sets up, shovel native board 2 can be leveled the bellied ground in the device the place ahead when using to soil after will shoveling is impeld forward, when the device impels soil through hole hollow ground, the soil of shoveling flat can fall into hole hollow inside, thereby tends to level and smooth to making the soil.
Further, a bracket 13 is installed on the outer wall of the top of the chassis 1 through a bolt, the bracket 13 is used for installing and fixing the motor 3, and the motor 3 is more stable, the motor 3 is installed on the outer wall of the top of the bracket 13 through a bolt, the model of the motor 3 is 5IK40W, the motor 3 drives the rotating wheel 4 to rotate, the output end of the motor 3 is connected with the rotating wheel 4 through a key, the rotating wheel 4 drives the crank 5 to do swinging motion, the outer wall of one side of the rotating wheel 4 far away from the motor 3 is rotatably connected with the crank 5, the outer wall of one side of the chassis 1 is provided with a first chute 24, the first chute 24 is used for defining the moving route of the sliding block 6, so that the sliding block 6 is not easy to slide out, the sliding block 6 is slidably connected with the sliding block 6 inside the first chute 24, the sliding block 6 moves and drives the rolling roller 16 to move, the inside of the sliding block 6 is rotatably connected with a second rotating, the rolling roller 16 rolls the soil block to crush the soil block.
Further, the outer wall of chassis 1 both sides and the outer wall of installation piece 9 both sides all weld fixture block 23, fixture block 23 is used for prescribing slide bar 17's movement path, and the inside grafting of fixture block 23 has slide bar 17, slide bar 17 receives the fixture block restraint, can only reciprocate, universal wheel 7 is installed through the bearing to slide bar 17 bottom outer wall, and slide bar 17 side outer wall bottom has cup jointed spring 18, spring 18 is located between universal wheel 7 and the fixture block 23, spring 18 makes the device remove more stably, rocks for a short time.
Furthermore, a second sliding groove 20 is formed in an inner wall of one side of the fixing plate 15 opposite to the first sliding groove 24, the second sliding groove 20 is a moving track of the rolling roller 16, the rolling roller 16 is prevented from being inclined due to the influence of resistance when moving, and one end, far away from the first sliding groove 24, of the second rotating shaft 22 is inserted into the second sliding groove 20.
Further, the outer wall of one side of the underframe 1 is welded with a support frame 8, the support frame 8 is prevented from shaking left and right when the device is used, the outer wall of the top of the underframe 1 is welded with a traction frame 21, and the traction frame 21 can be lifted up through a lifting rod on a motor vehicle when the device is used.
Further, a screen 14 is installed on the inner wall of the bottom of the fixed plate 15 through a bolt, the screen 14 has a mesh size of about 4-5 meshes, and the screen 14 is used for catching a larger soil block without falling down and is matched with the grinding roller 16 to grind the soil block.
By adopting the roller 11 arranged above, the inner part of the roller 11 is of a solid structure, and due to the weight, pressure is applied to the soil passing by the device during movement, so that the gap inside the soil is smaller, the soil is compacted, and the surface of the soil is smoother; the setting roll 16 and filter screen 14, some clods are because of can't filling hole ground, and receive thrust influence to fall on filter screen 14, are crushed by the roll 16 of filter screen 14 top again, and the soil after the crushing filters through filter screen 14 and drops to ground again, and the clods or the stone that can't crush then can stay on filter screen 14, waits for the staff to clear up.
In the following, some preferred embodiments or application examples are listed to help those skilled in the art to better understand the technical content of the present invention and the technical contribution of the present invention to the prior art:
example 1
A device for leveling and compacting soil comprises an underframe 1, a fixing plate 15 is installed on the inner wall of the side surface of the underframe 1 through a bolt, the fixing plate 15 is used for installing a soil shoveling plate 2 and a filter screen 14 and preventing soil blocks falling onto the filter screen 14 from falling, the soil shoveling plate 2 is installed on the outer wall of one side of the fixing plate 15 through a bolt, the soil shoveling plate 2 is used for shoveling the ground, two installing blocks 9 are installed on the outer walls of two sides of the underframe 1 through bolts, the installing blocks 9 are used for installing an installing frame 12 and two universal wheels 7, an installing frame 12 is rotatably connected between the outer walls of one side opposite to the two installing blocks 9 through a hinge, a hydraulic cylinder 10 is rotatably connected to the top of the outer wall of one side of the installing block 9 through a hinge, the hydraulic cylinder 10 is used for adjusting the falling height of a roller 11, so as to adjust the pressure of the roller 11 on, the inner wall of the opposite side of the mounting frame 12 is rotatably connected with a roller 11 through a bearing, and the roller 11 compacts the ground.
Wherein, the outer wall of the top of the chassis 1 is provided with a bracket 13 through a bolt, the bracket 12 is used for installing a motor 3 and making the motor 3 more stable, the outer wall of the top of the bracket 13 is provided with the motor 3 through a bolt, the motor 3 drives a rotating wheel 4 to rotate, the output end of the motor 3 is connected with the rotating wheel 4 through a key, the rotating wheel 4 drives a crank 5 to do swinging motion, the outer wall of one side of the rotating wheel 4 far away from the motor 3 is rotatably connected with the crank 5, the outer wall of one side of the chassis 1 is provided with a first chute 24, the first chute 24 is used for defining the moving route of the sliding block 6 and making the sliding block 6 difficult to slide out, the sliding block 6 is slidably connected in the first chute 24, the sliding block 6 moves and drives a rolling roller 16 to move, the sliding block 6 is rotatably connected with a second rotating shaft 22 through a bearing, the second rotating shaft 22 is, the grinding roller 16 is used for grinding the soil blocks to crush the soil blocks; the outer walls of two sides of the underframe 1 and the outer walls of two sides of the mounting block 9 are respectively welded with a fixture block 23, the fixture block 23 is used for specifying a moving route of the slide bar 17, the slide bar 17 is inserted in the fixture block 23, the slide bar 17 is constrained by the fixture block and can only move up and down, the outer wall of the bottom of the slide bar 17 is provided with a universal wheel 7 through a bearing, the bottom of the outer wall of the side surface of the slide bar 17 is sleeved with a spring 18, the spring 18 is positioned between the universal wheel 7 and the fixture block 23, and the; a second chute 20 is formed in the inner wall of the fixing plate 15 on the side opposite to the first chute 24, the second chute 20 is a moving track of the rolling roller 16 and prevents the rolling roller 16 from being inclined due to the influence of resistance during moving, and one end, far away from the first chute 24, of the second rotating shaft 22 is inserted into the second chute 20; the outer wall of one side of the underframe 1 is welded with a support frame 8, the support frame 8 is prevented from shaking left and right when the device is used, the outer wall of the top of the underframe 1 is welded with a traction frame 21, and the traction frame 21 can be lifted up through a lifting rod on a motor vehicle to drive the device to lift up when the device is used; the inner wall of the bottom of the fixed plate 15 is provided with a filter screen 14 through bolts, the mesh number of the filter screen 14 is about 4-5 meshes, and the filter screen 14 is used for receiving larger soil blocks, so that the large soil blocks are difficult to run out and are matched with the grinding roller 16 to grind the soil blocks.
The working principle is as follows: when in use, a worker firstly fixes the device on a motor vehicle through the traction frame 21 and the support frame 8, then the worker brings the device to the land to be leveled through the motor vehicle, and then puts down the traction frame 21 to place the device on the ground so that the roller 11 contacts the ground; when the device works, the device moves forwards by means of traction of a motor vehicle, the soil shoveling plate 2 is in contact with the ground when moving, when the device passes through the raised ground, the soil shoveling plate 2 can shovel the protrusions, one part of the protrusions is pushed to move forwards by the soil shoveling plate 2, the other part of the protrusions falls onto the filter screen under the action of thrust, when the device moves to the hollow ground, soil pushed by the soil shoveling plate 2 falls into a hollow, the motor 3 arranged on the base frame 1 rotates through the output end to drive the rotating wheel 4 to rotate, the rotating wheel 4 rotates to drive the sliding block 6 to move back and forth through the crank 5, and the sliding block 6 can drive the rolling roller 16 arranged on the sliding block 6 to rotate back and forth, so that the rolling roller 16 repeatedly rolls soil blocks falling onto the filter screen 14, the ground blocks fall onto the ground through holes in the filter screen 14 after being ground, and then are compacted after passing through.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a be used for soil to level compaction device, includes chassis (1), its characterized in that, chassis (1) side inner wall installs fixed plate (15) through the bolt, and fixed plate (15) one side outer wall installs shovel native board (2) through the bolt, chassis (1) both sides outer wall installs two installation pieces (9) through the bolt, and rotates through the hinge between the relative one side outer wall of two installation pieces (9) and be connected with mounting bracket (12), installation piece (9) one side outer wall top is connected with pneumatic cylinder (10) through the hinge rotation, and pneumatic cylinder (10) keep away from the one end of installation piece (9) and rotate through the hinge and connect on mounting bracket (12) top outer wall, rotate through the bearing between the relative one side inner wall of mounting bracket (12) and be connected with cylinder (11).
2. The device for leveling and compacting the soil is characterized in that a support (13) is installed on the outer wall of the top of the bottom frame (1) through bolts, a motor (3) is installed on the outer wall of the top of the support (13) through bolts, the output end of the motor (3) is connected with a rotating wheel (4) through a key, a crank (5) is rotatably connected to the outer wall of one side, away from the motor (3), of the rotating wheel (4), a first sliding groove (24) is formed in the outer wall of one side of the bottom frame (1), a sliding block (6) is slidably connected inside the first sliding groove (24), a second rotating shaft (22) is rotatably connected inside the sliding block (6) through a bearing, the second rotating shaft (22) is rotatably connected with the crank (5) through a bearing, and a rolling roller (16) is connected to the outer wall of the side of the.
3. The land leveling and compacting device as claimed in claim 1, wherein clamping blocks (23) are welded on the outer walls of the two sides of the underframe (1) and the outer walls of the two sides of the mounting block (9), a sliding rod (17) is inserted into each clamping block (23), a universal wheel (7) is installed on the outer wall of the bottom of each sliding rod (17) through threads, a spring (18) is sleeved on the bottom of the outer wall of the side surface of each sliding rod (17), and each spring (18) is located between each universal wheel (7) and each clamping block (23).
4. A device for levelling and compacting a ground according to claim 1, characterized in that the inner wall of the fixing plate (15) on the side opposite to the first runner (24) is provided with a second runner (20), and the end of the second rotating shaft (22) far from the first runner (24) is inserted into the second runner (20).
5. A device for levelling and compacting the ground according to claim 2, characterized in that the outer wall of one side of the chassis (1) is welded with a support frame (8) and the outer wall of the top of the chassis (1) is welded with a traction frame (21).
6. A device for levelling and compacting the ground according to claim 1, characterized in that the bottom inner wall of the fixing plate (15) is provided with a sieve (14) by bolts, and the sieve (14) has a mesh number of 4-5.
CN201922390545.9U 2019-12-27 2019-12-27 Be used for land leveling compaction device Expired - Fee Related CN211735569U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922390545.9U CN211735569U (en) 2019-12-27 2019-12-27 Be used for land leveling compaction device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922390545.9U CN211735569U (en) 2019-12-27 2019-12-27 Be used for land leveling compaction device

Publications (1)

Publication Number Publication Date
CN211735569U true CN211735569U (en) 2020-10-23

Family

ID=72870973

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922390545.9U Expired - Fee Related CN211735569U (en) 2019-12-27 2019-12-27 Be used for land leveling compaction device

Country Status (1)

Country Link
CN (1) CN211735569U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112227442A (en) * 2020-10-27 2021-01-15 梁桂清 Leveling process for foundation for building construction
CN112554140A (en) * 2020-12-01 2021-03-26 浙江河海建设有限公司 Construction process of rolling rock-fill dam
CN112593470A (en) * 2020-12-03 2021-04-02 中冶集团武汉勘察研究院有限公司 Rock engineering layer soil bedding equipment for geotechnical engineering
CN112878302A (en) * 2021-02-25 2021-06-01 中铁西北科学研究院有限公司 Aeolian sand liquefaction, weight compaction, earthing and reinforcing equipment and weight compaction method
CN114922240A (en) * 2022-05-30 2022-08-19 宜春市袁州区水利局 Irrigation ditch opening device for navel orange planting
CN118029356A (en) * 2024-04-11 2024-05-14 晋江贝唯商贸有限公司 Construction soil compacting machine

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112227442A (en) * 2020-10-27 2021-01-15 梁桂清 Leveling process for foundation for building construction
CN112554140A (en) * 2020-12-01 2021-03-26 浙江河海建设有限公司 Construction process of rolling rock-fill dam
CN112593470A (en) * 2020-12-03 2021-04-02 中冶集团武汉勘察研究院有限公司 Rock engineering layer soil bedding equipment for geotechnical engineering
CN112593470B (en) * 2020-12-03 2021-12-21 中冶集团武汉勘察研究院有限公司 Rock engineering layer soil bedding equipment for geotechnical engineering
CN112878302A (en) * 2021-02-25 2021-06-01 中铁西北科学研究院有限公司 Aeolian sand liquefaction, weight compaction, earthing and reinforcing equipment and weight compaction method
CN112878302B (en) * 2021-02-25 2022-06-21 中铁西北科学研究院有限公司 Aeolian sand liquefaction, weight compaction, earthing and reinforcing equipment and weight compaction method
CN114922240A (en) * 2022-05-30 2022-08-19 宜春市袁州区水利局 Irrigation ditch opening device for navel orange planting
CN114922240B (en) * 2022-05-30 2023-12-26 安徽信息工程学院 Irrigation ditch opening device for navel orange planting
CN118029356A (en) * 2024-04-11 2024-05-14 晋江贝唯商贸有限公司 Construction soil compacting machine

Similar Documents

Publication Publication Date Title
CN211735569U (en) Be used for land leveling compaction device
CN210168419U (en) Stone cleaning device is used in farmland construction
CN113356292A (en) Steel construction factory building enclosure road bed cleaning vehicle
CN209555708U (en) A kind of construction of the highway roadbed laying evener
CN111495761A (en) Grit sorting device for construction
CN214271987U (en) Soil-shifting, soil-scattering and soil-pressing integrated device for soil-paving engineering
CN112593470B (en) Rock engineering layer soil bedding equipment for geotechnical engineering
CN214882823U (en) Tamping device for road construction
CN212328817U (en) Automatic sand sieving device of pay-off
CN210917520U (en) Earthwork levels device
CN116927009A (en) Highway and railway dual-purpose ballast screen scarifier
CN107185684B (en) Crushing and sieving device
CN211772603U (en) Rolling machine for road engineering
CN112031648A (en) Reaming device for soft soil foundation construction
CN217811276U (en) Leveling device for foundation treatment
CN219073512U (en) Building construction grit sieving mechanism
CN213797140U (en) Recycled concrete test block compaction device
CN220079628U (en) Filling device for highway construction
CN212052202U (en) Novel vibration pre-compaction type road pavement cold recycling machine
CN218027040U (en) Building engineering is with compaction device of mating formation
CN212533632U (en) Cement concrete pavement levels device
CN219824816U (en) Roadbed compactor
CN219490597U (en) Roadbed and pavement compacting device
CN114158316B (en) Integrated fish scale pit building machine applicable to multiple terrains
CN212153027U (en) Concrete cushion lamination compaction device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20201023