CN112609540A - Road surface tamping device for municipal road construction - Google Patents

Road surface tamping device for municipal road construction Download PDF

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Publication number
CN112609540A
CN112609540A CN202011462299.4A CN202011462299A CN112609540A CN 112609540 A CN112609540 A CN 112609540A CN 202011462299 A CN202011462299 A CN 202011462299A CN 112609540 A CN112609540 A CN 112609540A
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CN
China
Prior art keywords
tamping
rod
driving
plate
mounting
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.)
Granted
Application number
CN202011462299.4A
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Chinese (zh)
Other versions
CN112609540B (en
Inventor
徐凤阳
严孝科
谌明伟
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.)
Hubei Shengrong Construction Co ltd
Original Assignee
Hubei Shengrong Construction 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 Hubei Shengrong Construction Co ltd filed Critical Hubei Shengrong Construction Co ltd
Priority to CN202011462299.4A priority Critical patent/CN112609540B/en
Priority claimed from CN202011462299.4A external-priority patent/CN112609540B/en
Publication of CN112609540A publication Critical patent/CN112609540A/en
Application granted granted Critical
Publication of CN112609540B publication Critical patent/CN112609540B/en
Active legal-status Critical Current
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Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/22Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
    • E01C19/30Tamping or vibrating apparatus other than rollers ; Devices for ramming individual paving elements
    • E01C19/34Power-driven rammers or tampers, e.g. air-hammer impacted shoes for ramming stone-sett paving; Hand-actuated ramming or tamping machines, e.g. tampers with manually hoisted dropping weight
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/22Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
    • E01C19/30Tamping or vibrating apparatus other than rollers ; Devices for ramming individual paving elements
    • E01C19/34Power-driven rammers or tampers, e.g. air-hammer impacted shoes for ramming stone-sett paving; Hand-actuated ramming or tamping machines, e.g. tampers with manually hoisted dropping weight
    • E01C19/38Power-driven rammers or tampers, e.g. air-hammer impacted shoes for ramming stone-sett paving; Hand-actuated ramming or tamping machines, e.g. tampers with manually hoisted dropping weight with means specifically for generating vibrations, e.g. vibrating plate compactors, immersion vibrators

Abstract

The invention discloses a road surface tamping device for municipal road construction, which comprises a rack and a tamping unit, wherein the tamping unit comprises a tamping assembly and a driving assembly for driving the tamping assembly to move up and down, the tamping assembly comprises a mounting rod, a threaded rod, an internal thread sleeve, a second connecting rod, a main tamping plate, an auxiliary tamping plate and a spring, the spring is fixedly connected between the second connecting rod and the auxiliary tamping plate, both sides of the auxiliary tamping plate are inclined planes, the driving assembly is in driving connection with the mounting rod, the driving assembly comprises a turntable, a power mechanism for driving the turntable to rotate, a worm gear, a second connecting rod, a first pin shaft and a driving rod, the power mechanism comprises a second motor, the threaded rod, a moving seat, an electric push rod, a stepping motor, a mounting plate, a driving gear and a driven gear, the tamping assembly is arranged, the tamping area is adjusted, and different working requirements are met; be equipped with drive assembly, reach the effect of adjustment tamping dynamics and degree of depth, be equipped with power unit for the rotational speed of carousel is different, realizes different tamping frequency.

Description

Road surface tamping device for municipal road construction
Technical Field
The invention relates to the technical field of road construction, in particular to a road surface tamping device for municipal road construction.
Background
Municipal works refer to municipal infrastructure construction works. In China, municipal infrastructure refers to various buildings, structures, equipment and the like which are arranged in planning and construction ranges of urban areas and towns (villages) and provide paid or unpaid public products and services for residents based on government responsibilities and obligations. The construction of various public infrastructures matched with urban life belongs to the field of municipal engineering.
In the municipal works construction, especially in the road construction, need tamp the road surface, the area of tamping each time of current road surface tamping device is all certain, can't satisfy more and more user demands like this, and adaptability is relatively weak.
Disclosure of Invention
The invention aims to provide a road surface tamping device for municipal road construction, which aims to solve the problems.
In order to achieve the purpose, the invention provides the following technical scheme:
a road surface tamping device for municipal road construction comprises a frame and a tamping unit, wherein the tamping unit comprises a tamping component and a driving component for driving the tamping component to move up and down, the tamping component comprises a mounting rod, a threaded rod, an internal thread sleeve, a second connecting rod, a main tamping plate, an auxiliary tamping plate and a spring, the mounting rod vertically and movably penetrates through the frame, the main tamping plate is arranged on each of two sides of the lower end of the mounting rod, a guide rod is fixed on each of two sides of the lower end of the mounting rod and penetrates into the main tamping plate, the threaded rod is rotatably mounted in the mounting rod, the internal thread sleeve is in threaded connection with the threaded rod, the second connecting rod is hinged on each of two sides of the internal thread sleeve, one end of the second connecting rod, far away from the internal thread sleeve, is hinged to the upper surface of the main tamping plate, the auxiliary tamping plate is sleeved on the mounting rod and positioned above the main tamping plate, and the auxiliary tamping plate is in sliding connection with the mounting, and a spring is fixedly connected between the second connecting rod and the auxiliary tamping plate, and both sides of the auxiliary tamping plate are inclined planes.
On the basis of the technical scheme, the invention also provides the following optional technical scheme:
in one alternative: even symmetry fixed mounting in frame bottom has the supporting leg, and the gyro wheel is installed to the supporting leg bottom.
In one alternative: and one end of the rack is fixed with a handrail.
In one alternative: and a vibration exciter is fixedly arranged on the main tamping plate.
In one alternative: the mounting rod is provided with a vertical strip protrusion, and the auxiliary tamping plate is provided with a groove matched with the protrusion.
In one alternative: the driving assembly is connected with the mounting rod in a driving mode and comprises a rotary disc, a power mechanism for driving the rotary disc to rotate, a worm wheel, a second connecting rod, a first pin shaft and a driving rod, the rotary disc is mounted on the rack in a rotating mode through a mounting shaft and a bearing, the worm wheel is mounted on the front end face of the rotary disc in a concentric rotating mode, the worm matched with the worm wheel is mounted on the front end face of the rotary disc in a rotating mode, the end face of the worm wheel is eccentrically hinged to one end of the second connecting rod, the other end of the second connecting rod is hinged to a first pin shaft, the first pin shaft is connected with the rotary disc in a sliding mode, the first pin shaft is inserted into a first through groove formed in the driving rod, the middle of the driving rod is connected with the supporting rod.
In one alternative: the upper surface and the lower surface of the second through groove are uniformly fixed with hemispherical bulges, and the hemispherical bulges on the upper surface and the lower surface are arranged in a staggered manner.
In one alternative: power unit includes second motor, lead screw, removes seat, electric putter, step motor, mounting panel, driving gear and driven gear, frame top horizontal rotation installs the lead screw, and second motor drive connects the lead screw, and threaded connection has the removal seat on the lead screw, remove seat bottom fixed mounting has electric putter, and fixed mounting has step motor on electric putter's the telescopic link, and fixed mounting has the mounting panel on step motor's the output shaft, and the interval rotates side by side on the mounting panel and installs a plurality of driving gears, corresponds the third motor that fixed mounting has the drive driving gear on the mounting panel, and the size of a plurality of driving gears is different, the epaxial fixed mounting of installation of carousel has the driven gear with driving gear meshing.
Compared with the prior art, the invention has the following beneficial effects:
1. the tamping assembly comprises an installation rod, a threaded rod, an internal thread sleeve, a second connecting rod, a main tamping plate, an auxiliary tamping plate and a spring, wherein the threaded rod is rotated to drive the internal thread sleeve to move downwards, the internal thread sleeve drives the two main tamping plates to be gradually separated through the second connecting rod, the second connecting rod continuously presses the auxiliary tamping plate through the spring until the distance between the two main tamping plates is not less than the length of the auxiliary tamping plate, the auxiliary tamping plate falls between the two main tamping plates, the tamping area is adjusted, and different working requirements are met;
2. the device is provided with a driving assembly, the driving assembly comprises a rotary disc, a power mechanism for driving the rotary disc to rotate, a worm wheel, a second connecting rod, a first pin shaft and a driving rod, the power mechanism drives the rotary disc to rotate, the rotary disc drives the first pin shaft to revolve, the first pin shaft moves in a first through groove to drive the driving rod to swing up and down, the driving rod drives an installation rod to move up and down through the second pin shaft to tamp, the worm drives the worm wheel to rotate through rotating the worm, the first pin shaft is driven to move through the first connecting rod when the worm wheel rotates, the relative position of the first pin shaft and the driving rod is adjusted, the up-and-down swing amplitude of the driving rod is adjusted, the effect of adjusting the tamping force and the tamping depth is achieved, hemispherical protrusions are uniformly fixed on the upper surface and the lower surface of the second through groove, the hemispherical protrusions on the upper, the mounting rod is further driven to vibrate, so that the tamping effect is improved;
3. be equipped with power unit, power unit includes second motor, lead screw, removes seat, electric putter, step motor, mounting panel, driving gear and driven gear, drives the lead screw through the second motor and rotates, and the lead screw drives and removes the seat and remove, drives the mounting panel through electric putter and goes up and down, drives the mounting panel through step motor and rotates to can make different driving gear and driven gear meshing, the difference of drive ratio makes the rotational speed of carousel different, thereby realize different tamping frequency, improve tamping efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a second embodiment of the present invention.
Notations for reference numerals: 1-frame, 2-rotary table, 3-driving rod, 4-worm, 5-worm wheel, 6-first connecting rod, 7-first pin shaft, 8-first through groove, 9-supporting rod, 10-second through groove, 11-mounting rod, 12-second pin shaft, 13-hemisphere protrusion, 14-internal thread sleeve, 15-threaded rod, 16-second connecting rod, 17-main tamping plate, 18-guide rod, 19-auxiliary tamping plate, 20-vibration exciter, 21-spring, 22-roller, 23-driving gear, 24-stepping motor, 25-mounting plate, 26-electric push rod, 27-screw rod, 28-moving seat, 29-second motor and 30-driven gear.
Detailed Description
The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the several views, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practice. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.
Example 1
Referring to fig. 1, in the embodiment of the invention, a road surface tamping device for municipal road construction comprises a frame 1 and a tamping unit, wherein supporting legs are uniformly and symmetrically fixedly installed at the bottom of the frame 1, rollers 22 are installed at the bottom ends of the supporting legs to facilitate movement of the device, a handrail is fixed at one end of the frame 1, the tamping unit comprises a tamping assembly and a driving assembly for driving the tamping assembly to move up and down, the tamping assembly comprises a mounting rod 11, a threaded rod 15, an internal thread sleeve 14, a second connecting rod 16, a main tamping plate 17, an auxiliary tamping plate 19 and a spring 21, the mounting rod 11 vertically and movably penetrates through the frame 1, the main tamping plate 17 is arranged at both sides of the lower end of the mounting rod 11, guide rods 18 are fixed at both sides of the lower end of the mounting rod 11, the guide rods 18 penetrate into the main tamping plate 17 to play a role of guiding, a vibration exciter 20 is fixedly installed on the main tamping plate 17, play the effect of vibration, help improving the tamping effect, threaded rod 15 is installed to the installation pole 11 internal rotation, threaded rod 15 goes up threaded connection has female thread cover 14, female thread cover 14 both sides all articulate has second connecting rod 16, and the one end that female thread cover 14 was kept away from to second connecting rod 16 is articulated with main tamping plate 17 upper surface, the cover is equipped with vice tamping plate 19 on the installation pole 11, and vice tamping plate 19 is located main tamping plate 17 top, vice tamping plate 19 and installation pole 11 sliding connection, in the embodiment, be equipped with vertical rectangular arch on the installation pole 11, set up the recess with protruding complex on the vice tamping plate 19, fixedly connected with spring 21 between second connecting rod 16 and the vice tamping plate 19, vice tamping plate 19 both sides are the inclined plane, through rotating threaded rod 15, threaded rod 15 drives female thread cover 14 and moves down, female thread cover 14 drives two main tamping plates 17 through second connecting rod 16 and parts gradually, the second connecting rod 16 continuously presses the auxiliary tamping plate 19 through the spring 21 until the distance between the two main tamping plates 17 is not less than the length of the auxiliary tamping plate 19, the auxiliary tamping plate 19 falls between the two main tamping plates 17, the tamping area is adjusted, different working requirements are met, the driving component drives and is connected with the mounting rod 11, the driving component comprises a turntable 2, a power mechanism for driving the turntable 2 to rotate, a worm 4, a worm wheel 5, a second connecting rod 16, a first pin shaft 7 and a driving rod 3, the turntable 2 is rotatably mounted on the frame 1 through a mounting shaft and a bearing, the worm wheel 5 is concentrically rotatably mounted on the front end surface of the turntable 2, the worm 4 matched with the worm wheel 5 is rotatably mounted on the front end surface of the turntable 2, the end surface of the worm wheel 5 is eccentrically hinged with one end of the second connecting rod 16, the other end of the second connecting rod 16 is hinged with the first pin shaft 7, and the first pin shaft 7, the first pin shaft 7 is inserted into a first through groove 8 formed in the driving rod 3, the middle part of the driving rod 3 is rotatably connected with a supporting rod 9, the supporting rod 9 is fixed on the frame 1, a second pin shaft 12 is fixed on the mounting rod 11, the second pin shaft 12 is inserted into a second through groove 10 formed in the driving rod 3, the power mechanism drives the turntable 2 to rotate, the turntable 2 drives the first pin shaft 7 to revolve, the first pin shaft 7 moves in the first through groove 8 to drive the driving rod 3 to swing up and down, the driving rod 3 drives the mounting rod 11 to move up and down through the second pin shaft 12 to tamp, the worm 4 drives the worm wheel 5 to rotate through rotating the worm 4, the first pin shaft 7 is driven by the first connecting rod 6 to move when the worm wheel 5 rotates, the relative position of the first pin shaft 7 and the driving rod 3 is adjusted, the up and down swing amplitude of the driving rod 3 is adjusted to achieve the effect of adjusting the tamping force and the depth, and the hemispherical bulges, the hemisphere protrusions 13 on the upper surface and the lower surface are arranged in a staggered mode, and when the second pin shaft 12 moves in the second through groove 10, the hemisphere protrusions 13 are matched to vibrate, the mounting rod 11 is further driven to vibrate, and the tamping effect is improved.
Example 2
Referring to fig. 2, the embodiment of the present invention is different from embodiment 1 in that the power mechanism includes a second motor 29, a lead screw 27, a moving seat 28, an electric push rod 26, a stepping motor 24, a mounting plate 25, a driving gear 23, and a driven gear 30, the top of the frame 1 is horizontally and rotatably mounted with the lead screw 27, the second motor 29 is driven to be connected with the lead screw 27, the lead screw 27 is connected with the moving seat 28 through a screw thread, the bottom of the moving seat 28 is fixedly mounted with the electric push rod 26, a telescopic rod of the electric push rod 26 is fixedly mounted with the stepping motor 24, an output shaft of the stepping motor 24 is fixedly mounted with the mounting plate 25, the mounting plate 25 is rotatably mounted with a plurality of driving gears 23 side by side at intervals, a third motor corresponding to the driving gear 23 is fixedly mounted on the mounting plate 25, the plurality of driving gears 23 are different in size, the screw rod 27 is driven to rotate by the second motor 29, the screw rod 27 drives the movable seat 28 to move, the mounting plate 25 is driven to lift through the electric push rod 26, the mounting plate 25 is driven to rotate through the stepping motor 24, so that different driving gears 23 and driven gears 30 can be meshed, the rotating speeds of the rotary disc 2 are different due to the difference of transmission ratios, different tamping frequencies are achieved, and the tamping efficiency is improved.
The working principle of the invention is as follows: by rotating the threaded rod 15, the threaded rod 15 drives the internal thread sleeve 14 to move downwards, the internal thread sleeve 14 drives the two main tamping plates 17 to gradually separate through the second connecting rod 16, the second connecting rod 16 continuously presses the auxiliary tamping plate 19 downwards through the spring 21 until the distance between the two main tamping plates 17 is not less than the length of the auxiliary tamping plate 19, the auxiliary tamping plate 19 falls between the two main tamping plates 17, the tamping area is adjusted to meet different working requirements, the power mechanism drives the turntable 2 to rotate, the turntable 2 drives the first pin shaft 7 to revolve, the first pin shaft 7 moves in the first through groove 8 to drive the driving rod 3 to swing up and down, the driving rod 3 drives the mounting rod 11 to move up and down through the second pin shaft 12 to tamp, the worm 4 drives the worm wheel 5 to rotate through the rotating worm wheel 4, the first pin shaft 7 is driven to move through the first connecting rod 6 when the worm wheel 5 rotates, and the relative position of the first pin shaft 7 and the driving rod 3 is adjusted, the luffing motion range of adjustment actuating lever 3 reaches the effect of adjustment tamping dynamics and degree of depth, second through-groove 10 upper surface and lower surface evenly are fixed with hemisphere protrusion 13, and the hemisphere protrusion 13 dislocation set of upper surface and lower surface when second round pin axle 12 moves in second through-groove 10, takes place the vibration with the cooperation of hemisphere protrusion 13, further drives the vibration of installation pole 11, has improved the tamping effect.
The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims (8)

1. The utility model provides a road surface tamping device for town road construction, includes frame (1) and tamping unit, the tamping unit includes the tamping subassembly and is used for driving the drive assembly of tamping subassembly up-and-down motion, its characterized in that, the tamping subassembly includes installation pole (11), threaded rod (15), interior thread bush (14), second connecting rod (16), main tamping plate (17), vice tamping plate (19) and spring (21), installation pole (11) vertical activity runs through frame (1), installation pole (11) low side both sides all are equipped with main tamping plate (17), installation pole (11) low side both sides all are fixed with guide bar (18), guide bar (18) penetrate main tamping plate (17) in, threaded rod (15) are installed to the installation pole (11) internal rotation, threaded connection has interior thread bush (14) on threaded rod (15), interior thread bush (14) both sides all articulate has second connecting rod (16), one end, far away from the internal thread sleeve (14), of the second connecting rod (16) is hinged to the upper surface of the main tamping plate (17), an auxiliary tamping plate (19) is sleeved on the mounting rod (11), the auxiliary tamping plate (19) is located above the main tamping plate (17), the auxiliary tamping plate (19) is in sliding connection with the mounting rod (11), a spring (21) is fixedly connected between the second connecting rod (16) and the auxiliary tamping plate (19), and two sides of the auxiliary tamping plate (19) are inclined planes.
2. The pavement ramming device for municipal road construction according to claim 1, characterized in that the bottom of the frame (1) is uniformly and symmetrically fixedly provided with supporting legs, and the bottom ends of the supporting legs are provided with rollers (22).
3. The road surface tamping device for municipal road construction according to claim 1, wherein a handrail is fixed to one end of the frame (1).
4. The road surface tamping device for municipal road construction according to claim 1, wherein an exciter (20) is fixedly mounted on the main tamping plate (17).
5. The pavement tamping device for municipal road construction according to claim 1, wherein the mounting rod (11) is provided with a vertical strip-shaped protrusion, and the auxiliary tamping plate (19) is provided with a groove matched with the protrusion.
6. The pavement tamping device for the municipal road construction according to any one of claims 1 to 5, wherein the driving assembly is connected with the mounting rod (11) in a driving manner, the driving assembly comprises a turntable (2), a power mechanism for driving the turntable (2) to rotate, a worm (4), a worm wheel (5), a second connecting rod (16), a first pin (7) and a driving rod (3), the turntable (2) is rotatably mounted on the frame (1) through a mounting shaft and a bearing, the front end surface of the turntable (2) is concentrically and rotatably mounted with the worm wheel (5), the worm (4) matched with the worm wheel (5) is rotatably mounted on the front end surface of the turntable (2), the end surface of the worm wheel (5) is eccentrically hinged with one end of the second connecting rod (16), the other end of the second connecting rod (16) is hinged with the first pin (7), and the first pin (7) is slidably connected with the turntable (2, the first pin shaft (7) is inserted into a first through groove (8) formed in the driving rod (3), the middle of the driving rod (3) is rotatably connected with the supporting rod (9), the supporting rod (9) is fixed on the rack (1), a second pin shaft (12) is fixed on the mounting rod (11), and the second pin shaft (12) is inserted into a second through groove (10) formed in the driving rod (3).
7. The road surface tamping device for municipal road construction according to claim 6, wherein the hemispherical protrusions (13) are uniformly fixed to the upper and lower surfaces of the second through groove (10), and the hemispherical protrusions (13) of the upper and lower surfaces are arranged in a staggered manner.
8. The pavement tamping device for the municipal road construction according to claim 6, wherein the power mechanism comprises a second motor (29), a lead screw (27), a movable seat (28), an electric push rod (26), a stepping motor (24), a mounting plate (25), a driving gear (23) and a driven gear (30), the lead screw (27) is horizontally installed at the top of the frame (1) in a rotating manner, the second motor (29) drives the connecting lead screw (27), the movable seat (28) is connected to the lead screw (27) in a threaded manner, the electric push rod (26) is fixedly installed at the bottom of the movable seat (28), the stepping motor (24) is fixedly installed on a telescopic rod of the electric push rod (26), the mounting plate (25) is fixedly installed on an output shaft of the stepping motor (24), the driving gears (23) are rotatably installed on the mounting plate (25) at intervals side by side, and a third motor for driving the driving gear (23) is correspondingly and fixedly installed, the sizes of the driving gears (23) are different, and a driven gear (30) meshed with the driving gears (23) is fixedly installed on the installation shaft of the rotary disc (2).
CN202011462299.4A 2020-12-12 Road surface tamping device for municipal road construction Active CN112609540B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011462299.4A CN112609540B (en) 2020-12-12 Road surface tamping device for municipal road construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011462299.4A CN112609540B (en) 2020-12-12 Road surface tamping device for municipal road construction

Publications (2)

Publication Number Publication Date
CN112609540A true CN112609540A (en) 2021-04-06
CN112609540B CN112609540B (en) 2022-10-28

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113818313A (en) * 2021-11-08 2021-12-21 曹熙 Municipal road construction method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1348433A (en) * 1971-09-03 1974-03-20 Bopparder Maschinenbau Gmbh Ground compacting device
CN108411743A (en) * 2018-05-11 2018-08-17 张宁 A kind of concreting tamping equipment
CN108589534A (en) * 2018-04-04 2018-09-28 南昌华学科技有限公司 A kind of adjustable pavement tamper of bridge construction
CN210827417U (en) * 2018-04-17 2020-06-23 泰安华贵医药科技开发有限公司 Vibrating device for foundation tamping

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1348433A (en) * 1971-09-03 1974-03-20 Bopparder Maschinenbau Gmbh Ground compacting device
CN108589534A (en) * 2018-04-04 2018-09-28 南昌华学科技有限公司 A kind of adjustable pavement tamper of bridge construction
CN210827417U (en) * 2018-04-17 2020-06-23 泰安华贵医药科技开发有限公司 Vibrating device for foundation tamping
CN108411743A (en) * 2018-05-11 2018-08-17 张宁 A kind of concreting tamping equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113818313A (en) * 2021-11-08 2021-12-21 曹熙 Municipal road construction method

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