CN113152217B - Civil engineering construction is with road surface tamping device that can change application of force intensity - Google Patents
Civil engineering construction is with road surface tamping device that can change application of force intensity Download PDFInfo
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- CN113152217B CN113152217B CN202110491837.0A CN202110491837A CN113152217B CN 113152217 B CN113152217 B CN 113152217B CN 202110491837 A CN202110491837 A CN 202110491837A CN 113152217 B CN113152217 B CN 113152217B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/22—Machines, 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
- E01C19/30—Tamping or vibrating apparatus other than rollers ; Devices for ramming individual paving elements
- E01C19/34—Power-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
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/22—Machines, 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
- E01C19/30—Tamping or vibrating apparatus other than rollers ; Devices for ramming individual paving elements
- E01C19/34—Power-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
- E01C19/40—Power-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 adapted to impart a smooth finish to the paving, e.g. tamping or vibrating finishers
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C2301/00—Machine characteristics, parts or accessories not otherwise provided for
- E01C2301/20—Screed or paver accessories for paving joint or edge treatment
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
Abstract
The invention discloses a pavement tamping device capable of changing force application strength for civil engineering construction, and belongs to the technical field of civil engineering construction equipment. This civil engineering construction is with road surface tamping unit that can change application of force intensity includes: the tamping mechanism comprises a left tamping column and a left tamping plate; the rotating mechanism is used for rotating the left ramming column and comprises an installation box and a first gear, the bottom of the installation box is fixedly connected with a supporting mechanism, and the supporting mechanism is used for supporting the installation box; the transmission mechanism comprises a first incomplete gear connected to one end of a first transmission shaft, the first incomplete gear is in toothed connection with a first rack, and a second power device is connected to the other end of the first transmission shaft. The pavement tamping device with the changeable force application strength for civil engineering construction can not only tamp the pavement, but also tamp the edge of the pavement by depending on the long edge of the long strip-shaped left tamping plate by rotating the left tamping column and the left tamping plate, thereby improving the efficiency of tamping the edge of the pavement.
Description
Technical Field
The invention relates to the technical field of civil engineering construction equipment, in particular to a pavement tamping device capable of changing force application strength for civil engineering construction.
Background
When road construction is carried out, the construction road surface needs to be effectively tamped so as to prevent the problem of road surface settlement in the later period after the road is constructed.
When the road surface is tamped, the situation that the edge part of the road surface is not compacted by rolling is easy to occur, and the phenomenon of slag falling can occur when a vehicle passes through the rolling. Therefore, when the road is tamped, the compaction density of the edge of the road cannot be lower than the compactness of the middle part of the road, and the flatness of the edge of the road cannot be lower than the flatness of the middle part of the road.
The existing pavement tamping device has the advantages of single function, no special design for tamping the pavement edge, and easiness in finishing pavement tamping operation, due to the fact that the rolling density of the pavement edge is not enough, so that the phenomenon of crushing and slag falling of the pavement edge is caused.
Disclosure of Invention
The invention aims to overcome the problems in the prior art, and provides a pavement tamping device capable of changing force application strength for civil engineering construction, which not only can tamp a pavement, but also can tamp the edge of the pavement by depending on the long edge of a long strip-shaped left tamping plate by rotating a left tamping column and a left tamping plate, thereby improving the tamping density and the tamping efficiency of the edge of the pavement, improving the stacking length of each tamping, and ensuring the flatness of the edge of the pavement.
The invention provides a pavement tamping device capable of changing force application strength for civil engineering construction, which comprises:
the tamping mechanism comprises a left tamping column and a left tamping plate, one end of the left tamping column is connected with the left tamping plate, the outer wall of the left tamping column is provided with a first sliding chute, the other end of the left tamping column is provided with a first rack, the left tamping plate is of a strip plate structure and is used for tamping a road surface, a first spring is arranged on the left tamping column and is abutted against the left tamping plate, and the first spring is used for pushing the left tamping plate to move;
the rotating mechanism is used for rotating the left ramming column and comprises an installation box and a first gear, a supporting mechanism is fixedly connected to the bottom of the installation box and used for supporting the installation box, first through holes are formed in the top wall and the bottom wall of the installation box, the first gear is arranged in the inner cavity of the installation box and is in sliding connection with the inner wall of the first through hole, the first gear is connected with a first power device in a gear connection mode, the first power device is electrically connected with a controller, the controller is electrically connected with a power supply device, the first gear is provided with a first sliding hole matched with a first sliding groove, and the left ramming column is in sliding connection with the first sliding hole through the first sliding groove;
the transmission mechanism comprises a first transmission shaft, one end of the first transmission shaft is connected with a first incomplete gear, the first incomplete gear is in toothed connection with the first rack, the other end of the first transmission shaft is connected with a second power device, and the second power device is electrically connected with the controller.
Preferably, the ramming mechanism still includes right ramming post and right tamping plate, and right tamping plate is connected in right ramming post one end, and right tamping plate is the slab structure, and right tamping plate is used for ramming the road surface, the install bin is equipped with the second through-hole, second through-hole inner wall and right ramming post sliding connection, the right ramming post other end are equipped with the second rack, be equipped with the second spring on the ramming post of the right side, second spring and right ramming plate butt, the second spring is used for promoting the motion of right ramming plate, drive mechanism still includes the second transmission shaft, the second transmission shaft with second power device connects, and second transmission shaft one end is connected with the incomplete gear of second, the incomplete gear of second with second rack toothing.
Preferably, the outer wall of the right ramming column is provided with a second sliding groove, the rotating mechanism further comprises a second gear, the second gear is arranged in the inner cavity of the installation box and is in sliding connection with the inner wall of the second through hole, the second gear is provided with a second sliding hole matched with the second sliding groove, the right ramming column is in sliding connection with the second sliding hole through the second sliding groove, and the second gear is in toothed connection with the first power device.
Preferably, the left tamping plate is provided with a clamping groove, the right tamping plate is provided with a clamping tenon, the clamping groove is connected with the clamping tenon in a sliding mode, the radius, the tooth number and the modulus of the first incomplete gear and the second incomplete gear are identical, and the elastic coefficients of the first spring and the second spring are identical.
Preferably, the first transmission shaft is fixedly connected with a plurality of incomplete gears, the radius and the modulus of each incomplete gear are the same, the number of teeth of each incomplete gear is different, the first transmission shaft is connected with an electric push rod, and the electric push rod is electrically connected with the controller.
Preferably, the supporting mechanism comprises a support and a wheel, one end of the support is fixedly connected to the bottom wall of the mounting box, and the other end of the support is hinged to the wheel.
Preferably, a limiting partition is arranged on the first sliding groove and used for limiting the movement of the left ramming column.
Compared with the prior art, the invention has the beneficial effects that: the pavement tamping device with the changeable force application strength for civil engineering construction can not only tamp the pavement, but also tamp the edge of the pavement by rotating the left tamping column and the left tamping plate and depending on the long edge of the long strip-shaped left tamping plate, thereby improving the tamping density and the tamping efficiency of the edge of the pavement, improving the stacking length of each tamping, and ensuring the flatness of the edge of the pavement. Through setting up right ramming post and right tamping plate, only need one set of power device, can realize utilizing two sets of tamping plates to tamp the road surface to the efficiency of road surface tamping has been improved greatly. Thereby realize utilizing right tamper to tamp the road surface edge through setting up second spout and second gear to reduce the wearing and tearing of left tamper and left rammer post, increase the life of this device. Through setting up trip and draw-in groove to couple together left ram and right ram, guaranteed that left ram and right ram are even to the ramming on road surface, thereby promoted the roughness after the road surface is rammed. Through making different incomplete gear and first rack toothing, and then regulate and control the application of force intensity of left ram to the road surface. Through setting up the wheel, this device of promotion that can be very convenient is marchd, conveniently tamps the different positions on road surface.
Drawings
FIG. 1 is a top view of the present invention;
FIG. 2 isbase:Sub>A schematic view of the structure of the surface A-A of the present invention;
FIG. 3 is a schematic view of the structure of the plane B-B of the present invention.
Description of the reference numerals:
101. the novel hydraulic ram comprises a left ram column, 102, a left ram plate, 103, a first sliding groove, 104, a first rack, 105, a first spring, 106, a mounting box, 107, a first gear, 108, a first power device, 109, a first transmission shaft, 110, a first incomplete gear, 111, a second power device, 201, a right ram column, 202, a right ram plate, 203, a second rack, 204, a second spring, 205, a second transmission shaft, 206, a second incomplete gear, 301, a second sliding groove, 302, a second gear, 4, a tenon, 5, an electric push rod, 601, a support, 602, a wheel, 7 and a limit stop.
Detailed Description
Detailed description of the preferred embodimentsthe following detailed description of the present invention will be made with reference to the accompanying drawings 1-3, although it should be understood that the scope of the present invention is not limited to the specific embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1:
as shown in fig. 1 to 3, the present invention provides a pavement compacting device with changeable force application strength for civil engineering construction, comprising: the tamping mechanism comprises a left tamping column 101 and a left tamping plate 102, one end of the left tamping column 101 is connected with the left tamping plate 102, a first sliding groove 103 is formed in the outer wall of the left tamping column 101, a first rack 104 is arranged at the other end of the left tamping column 101, the left tamping plate 102 is of a strip-shaped plate structure, the left tamping plate 102 is used for tamping a road surface, a first spring 105 is arranged on the left tamping column 101, the first spring 105 is abutted against the left tamping plate 102, and the first spring 105 is used for pushing the left tamping plate 102 to move; the rotating mechanism is used for rotating the left ramming column 101 and comprises an installation box 106 and a first gear 107, a supporting mechanism is fixedly connected to the bottom of the installation box 106 and used for supporting the installation box 106, first through holes are formed in the top wall and the bottom wall of the installation box 106, the first gear 107 is arranged in the inner cavity of the installation box 106 and is in sliding connection with the inner wall of each first through hole, a first power device 108 is connected with the first gear 107 in a toothed manner, the first power device 108 is electrically connected with a controller, the controller is electrically connected with a power supply device, a first sliding hole matched with a first sliding groove 103 is formed in the first gear 107, and the left ramming column 101 is in sliding connection with the first sliding hole through the first sliding groove 103; the transmission mechanism comprises a first transmission shaft 109, one end of the first transmission shaft 109 is connected with a first incomplete gear 110, the first incomplete gear 110 is in toothed connection with the first rack 104, the other end of the first transmission shaft 109 is connected with a second power device 111, and the second power device 111 is electrically connected with the controller.
The working principle of example 1 is now briefly described:
when the middle of the road is tamped, the straight line of the long edge of the left tamping plate 102 is vertical to the advancing direction of the whole device. The second power device 111 is turned on by the controller, the second power device 111 drives the first transmission shaft 109 to rotate, and the first transmission shaft 109 drives the first incomplete gear 110 to rotate. When the first incomplete gear 110 is in gear connection with the first rack 104, the first incomplete gear 110 drives the left tamper column 101 to move upwards through the first rack 104, the left tamper column 101 slides upwards relative to the first gear 107 through the first sliding groove 103, the left tamper plate 102 connected to the left tamper column 101 is driven to move upwards, the left tamper plate 102 extrudes the first spring 105, and the first spring 105 is compressed to store energy. When the incomplete gear rotates to be separated from contact with the first rack 104, the compressed spring releases elastic potential energy, the spring pushes the left tamper plate 102 abutted against the spring to move downwards, the left tamper column 101 slides downwards relative to the first gear 107 through the first sliding groove 103, and the elastic potential energy of the spring is converted into kinetic energy of the left tamper plate 102 and the left tamper column 101 to impact the ground so as to tamp the ground. The support mechanism is capable of supporting the mounting box 106 as the left tamper plate 102 on the left tamper post 101 moves upward, preventing the device from tipping over.
When the road surface edge is tamped, the first power device 108 is turned on by the controller, the first power device 108 drives the first gear 107 to rotate, and the first gear 107 drives the left tamping column 101 to rotate through the first slide hole. After the left tamper column 101 rotates 90 degrees, the controller turns off the first power device 108, and at this time, the straight line of the long edge of the left tamper plate 102 is in the same direction as the traveling direction of the whole device. The long edge of the left tamping plate 102 is tightly attached to the edge of the road surface, then the controller turns on the second power device 111, and the left tamping plate 102 is utilized to tamp the edge of the road surface in the same way.
The pavement tamping device capable of changing the force application strength for civil engineering construction can not only tamp the pavement, but also tamp the edge of the pavement by depending on the long edge of the long strip-shaped left tamping plate 102 by rotating the left tamping column 101 and the left tamping plate 102, thereby improving the tamping density and the tamping efficiency of the edge of the pavement, improving the stacking length of each tamping, and ensuring the flatness of the edge of the pavement.
Example 2:
on the basis of example 1, in order to be able to increase the efficiency of the compaction of the road surface.
As shown in fig. 2 and 3, the tamping mechanism further includes a right tamping column 201 and a right tamping plate 202, the right tamping plate 202 is connected to one end of the right tamping column 201, the right tamping plate 202 is of a strip plate structure, the right tamping plate 202 is used for tamping a road surface, the installation box 106 is provided with a second through hole, the inner wall of the second through hole is slidably connected with the right tamping column 201, a second rack 203 is arranged at the other end of the right tamping column 201, a second spring 204 is arranged on the right tamping column 201, the second spring 204 is abutted to the right tamping plate 202, the second spring 204 is used for pushing the right tamping plate 202 to move, the transmission mechanism further includes a second transmission shaft 205, the second transmission shaft 205 is connected with the second power device 111, one end of the second transmission shaft 205 is connected with a second incomplete gear 206, and the second incomplete gear 206 is engaged to the second rack 203.
Through setting up right ramming post 201 and right tamping plate 202, only need one set of power device, can realize utilizing two sets of tamping plates to tamp the road surface to the efficiency of road surface tamping has been improved greatly.
Example 3:
on the basis of the embodiment 2, in order to enable the right tamping plate 202 to tamp the road surface edge, the abrasion of the left tamping plate 102 and the left tamping column 101 is reduced, and the service life of the device is prolonged.
As shown in fig. 2, a second sliding groove 301 is formed in an outer wall of the right tamper column 201, the rotating mechanism further includes a second gear 302, the second gear 302 is disposed in an inner cavity of the installation box 106 and slidably connected to an inner wall of the second through hole, the second gear 302 is provided with a second sliding hole matched with the second sliding groove 301, the right tamper column 201 is slidably connected to the second sliding hole through the second sliding groove 301, and the second gear 302 is in toothed connection with the first power device 108.
Similarly, the right tamper column 201 and the right tamper plate 20290 degrees are rotated by the first power device 108, and the right tamper column 201 and the right tamper plate 202 are driven by the second power device 111 to move, so that the road surface edge is tamped by the right tamper plate 202, the abrasion of the left tamper plate 102 and the left tamper column 101 is reduced, and the service life of the device is prolonged.
Example 4:
on the basis of embodiment 3, in order to make the tamping force of the left tamping plate 102 and the right tamping plate 202 to the road surface the same, it is ensured that the left tamping plate 102 and the right tamping plate 202 tamp the road surface relatively uniformly, so as to improve the flatness of the tamped road surface.
As shown in fig. 2, the left tamper plate 102 is provided with a slot, the right tamper plate 202 is provided with a latch 4, the slot and the latch 4 are slidably connected, the radius, the number of teeth and the modulus of the first partial gear 110 and the second partial gear 206 are the same, and the elastic coefficients of the first spring 105 and the second spring 204 are the same.
Since the radius, the number of teeth, and the module of the first incomplete gear 110 and the second incomplete gear 206 are the same, when the second power device 111 drives the first incomplete gear 110 and the second incomplete gear 206 to rotate, the left tamper post 101 is lifted by the same distance as the right tamper post 201. Because the elastic coefficients of the first spring 105 and the second spring 204 are the same, the elastic potential energy stored in the first spring 105 and the second spring 204 is the same, and the elastic force applied to the left tamper plate 102 and the right tamper plate 202 is the same, so that the same tamping force of the left tamper plate 102 and the right tamper plate 202 on the road surface is ensured, the left tamper plate 102 and the right tamper plate 202 are connected through the tenon 4 and the clamping groove, the uniform tamping of the left tamper plate 102 and the right tamper plate 202 on the road surface is further ensured, and the flatness after the road surface is tamped is improved.
Example 5:
on the basis of the embodiment 1, in order to change the force application strength for tamping the road surface so as to adapt to tamping operation on different road surfaces, the application range of the device is improved.
As shown in fig. 1, a plurality of incomplete gears are fixedly connected to the first transmission shaft 109, the radius and the modulus of each incomplete gear are the same, the number of teeth of each incomplete gear is different, the first transmission shaft 109 is connected with an electric push rod 5, and the electric push rod 5 is electrically connected with the controller.
By providing a plurality of incomplete gears having the same radius and module but different numbers of teeth, it is ensured that the incomplete gears can be engaged with the first rack 104. Since the number of teeth of the partial gear is different, when the first rack 104 is engaged with different partial gears, the left tamper column 101 is lifted by different distances, and the compression amount of the first spring 105 is different, so that the force application strength of the left tamper plate 102 to the road surface is different. The electric push rod 5 pushes the first transmission shaft 109, so that different incomplete gears are in toothed connection with the first rack 104, and the force application strength of the left tamper plate 102 to the road surface is further regulated and controlled.
Preferably, as shown in fig. 2, the supporting mechanism includes a bracket 601 and a wheel 602, one end of the bracket 601 is fixedly connected to the bottom wall of the mounting box 106, and the other end of the bracket 601 is hinged to the wheel 602. Through setting up wheel 602, this device of promotion that can be very convenient marchs, conveniently tamps the different positions on road surface.
As a preferable scheme, as shown in fig. 2, the first sliding groove 103 is characterized in that a limit stop 7 is arranged on the first sliding groove 103, and the limit stop 7 is used for limiting the movement of the left tamper post 101. The left ramming column 101 can be effectively prevented from slipping by arranging the limiting partition 7.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a civil engineering construction is with road surface tamping unit that can change application of force intensity which characterized in that includes:
the tamping mechanism comprises a left tamping column (101) and a left tamping plate (102), one end of the left tamping column (101) is connected with the left tamping plate (102), a first sliding chute (103) is arranged on the outer wall of the left tamping column (101), a first rack (104) is arranged at the other end of the left tamping column (101), the left tamping plate (102) is of a strip-shaped plate structure, the left tamping plate (102) is used for tamping a road surface, a first spring (105) is arranged on the left tamping column (101), the first spring (105) is abutted to the left tamping plate (102), and the first spring (105) is used for pushing the left tamping plate (102) to move;
the rotating mechanism is used for rotating the left ramming column (101) and comprises an installation box (106) and a first gear (107), a supporting mechanism is fixedly connected to the box bottom of the installation box (106), the supporting mechanism is used for supporting the installation box (106), first through holes are formed in the top wall and the bottom wall of the installation box (106), the first gear (107) is arranged in the inner cavity of the installation box (106) and is in sliding connection with the inner wall of the first through hole, a first power device (108) is connected to the first gear (107) in a toothed manner, the first power device (108) is electrically connected with a controller, the controller is electrically connected with a power supply device, a first sliding hole matched with the first sliding groove (103) is formed in the first gear (107), and the left ramming column (101) is in sliding connection with the first sliding hole through the first sliding groove (103);
the transmission mechanism comprises a first transmission shaft (109), one end of the first transmission shaft (109) is connected with a first incomplete gear (110), the first incomplete gear (110) is in toothed connection with the first rack (104), the other end of the first transmission shaft (109) is connected with a second power device (111), and the second power device (111) is electrically connected with the controller;
the tamping mechanism further comprises a right tamping column (201) and a right tamping plate (202), the right tamping plate (202) is connected to one end of the right tamping column (201), the right tamping plate (202) is of a strip plate structure, the right tamping plate (202) is used for tamping a road surface, a second through hole is formed in the installation box (106), the inner wall of the second through hole is in sliding connection with the right tamping column (201), a second rack (203) is arranged at the other end of the right tamping column (201), a second spring (204) is arranged on the right tamping column (201), the second spring (204) is abutted to the right tamping plate (202), the second spring (204) is used for pushing the right tamping plate (202) to move, the transmission mechanism further comprises a second transmission shaft (205), the second transmission shaft (205) is connected with the second power device (111), one end of the second transmission shaft (205) is connected with a second incomplete gear (206), and the second incomplete gear (206) is in toothed connection with the second rack (203);
the left tamper (102) is provided with a clamping groove, the right tamper (202) is provided with a clamping tenon (4), the clamping groove is connected with the clamping tenon (4) in a sliding mode, the radius, the tooth number and the modulus of the first incomplete gear (110) and the second incomplete gear (206) are identical, and the elastic coefficients of the first spring (105) and the second spring (204) are identical.
2. The pavement compaction device with changeable force application intensity for civil engineering construction according to claim 1, wherein the outer wall of the right ramming column (201) is provided with a second sliding groove (301), the rotating mechanism further comprises a second gear (302), the second gear (302) is arranged in the inner cavity of the installation box (106) and is in sliding connection with the inner wall of the second sliding hole, the second gear (302) is provided with a second sliding hole matched with the second sliding groove (301), the right ramming column (201) is in sliding connection with the second sliding hole through the second sliding groove (301), and the second gear (302) is in toothed connection with the first power device (108).
3. The road tamper device with force application intensity changeable for civil engineering construction according to claim 1, wherein a plurality of incomplete gears are fixedly connected to the first transmission shaft (109), the radius and the modulus of each incomplete gear are the same, the number of teeth of each incomplete gear is different, an electric push rod (5) is connected to the first transmission shaft (109), and the electric push rod (5) is electrically connected to the controller.
4. The road surface compaction device with changeable force application intensity for civil engineering construction according to claim 1, wherein the support mechanism comprises a bracket (601) and a wheel (602), one end of the bracket (601) is fixedly connected to the bottom wall of the installation box (106), and the other end of the bracket (601) is hinged with the wheel (602).
5. The pavement compaction device with the changeable force application strength for civil engineering construction according to claim 1, wherein the first sliding groove (103) is provided with a limiting partition (7), and the limiting partition (7) is used for limiting the movement of the left compaction column (101).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110491837.0A CN113152217B (en) | 2021-05-06 | 2021-05-06 | Civil engineering construction is with road surface tamping device that can change application of force intensity |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110491837.0A CN113152217B (en) | 2021-05-06 | 2021-05-06 | Civil engineering construction is with road surface tamping device that can change application of force intensity |
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| CN113152217B true CN113152217B (en) | 2023-03-10 |
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| JP2011241561A (en) * | 2010-05-17 | 2011-12-01 | Hitachi Machinery Camino Co Ltd | Rammer |
| CN108611952A (en) * | 2018-04-03 | 2018-10-02 | 郭志颖 | A kind of Construction of Civil Engineering road surface tamping unit driven based on disk |
| CN209602929U (en) * | 2019-02-26 | 2019-11-08 | 陈红 | Small section maintenance auxiliary compaction apparatus after highway engineering construction |
| CN110344308A (en) * | 2019-07-17 | 2019-10-18 | 彭斌 | A kind of road construction compacting flattening device |
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| CN113152217A (en) | 2021-07-23 |
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