CN114518297B - Highway subgrade large-grain stone ramming test device - Google Patents
Highway subgrade large-grain stone ramming test device Download PDFInfo
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- CN114518297B CN114518297B CN202210061235.6A CN202210061235A CN114518297B CN 114518297 B CN114518297 B CN 114518297B CN 202210061235 A CN202210061235 A CN 202210061235A CN 114518297 B CN114518297 B CN 114518297B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/34—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by mechanical means, e.g. hammer blows
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a highway subgrade large-grain stone ramming test device which comprises an experiment frame, wherein a support frame is fixedly connected to the experiment frame, a first sliding block and a second sliding block are connected to the support frame in a sliding mode, the first sliding block is rotationally connected with a first rotating shaft, the second sliding block is rotationally connected with a second rotating shaft, a box body is fixedly connected between the first rotating shaft and the second rotating shaft, two ends of the box body are provided with openings, balancing weights are slidingly connected in the box body, two ends of the inner wall of the box body are respectively provided with a placing groove, and fixing assemblies are respectively arranged in the two placing grooves. According to the invention, the device can tamp the arch cambered surface by arranging the rotating extrusion plate, and the box body is kept in a vertical state during tamping, so that the impact effect of the balancing weight on the sliding plate is not influenced, the tamping effect on the roadbed material in the experimental frame is best, and the efficiency is improved.
Description
Technical Field
The invention belongs to the field of roadbed tamping experiments, and particularly relates to a highway roadbed large-grain stone tamping experiment device.
Background
The special tamping technology in highway engineering has the tamping technology of dynamic compaction, impact compaction, hydraulic compaction, and the like, and the special tamping technology cannot be evaluated as a separate project, so that the tamping technology is designed to improve the tamping quality and is an effective construction method for improving the bearing capacity of the foundation in a short time.
When compacting the road bed, can meet the arch road surface such as bridge floor or domatic sometimes, impact rammer is real-time, and current machinery is unable direct tamp to arch road surface mostly, needs to adjust, including adjusting posture, removal apparatus etc. very inconvenient, influence efficiency.
Disclosure of Invention
The invention aims to provide a highway subgrade large-grain stone tamping test device.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides a highway subgrade large granule stone tamp test device, includes experimental frame, fixed connection support frame on the experimental frame, sliding connection first sliding block and second sliding block on the support frame, first sliding block rotates and connects first pivot, and the second sliding block rotates and connects the second pivot, fixed connection box between first pivot and the second pivot, the box both ends are the opening setting, sliding connection balancing weight in the box, the both ends of box inner wall all are equipped with the standing groove, two all be equipped with fixed subassembly in the standing groove, the equal fixed connection casing in both ends of box, two equal sliding connection sliding plate in the casing, one side fixed connection square tube of sliding plate, sliding connection connecting rod in the square tube, the one end of connecting rod rotates and connects the stripper plate.
Preferably, the first sliding block one side fixed connection mounting bracket, the first motor of one side fixed connection of mounting bracket, the first gear of main shaft excircle fixed connection of first motor, first sliding block one side rotation connection rotation pipe, the excircle fixed connection second gear of rotation pipe, second gear and first gear engagement, first sliding block is run through to first pivot, and second sliding block is run through to the second pivot, and first pivot is located rotation pipe and is in same axle center with the rotation pipe, the inner wall of rotation pipe is equipped with spiral wire casing, and the ball is connected in the excircle rotation of first pivot, the ball is located spiral wire casing.
Preferably, the excircle of second pivot is equipped with the spout, sliding connection second slider in the spout, the outside fixed connection third gear of second slider, third gear rotates with the second slider to be connected, one side fixed connection backup pad of support frame, the upper surface fixed connection first rack of backup pad, first rack and third gear engagement.
Preferably, the fixed subassembly includes the extension board, the extension board rotates with the box to be connected and is located the standing groove, extension board and box rotation junction are equipped with the torsional spring, one side of box is equipped with the spout, sliding connection bracing piece in the spout, fixed connection first spring between bracing piece and the spout lateral wall, one side of box is equipped with logical groove, logical groove cooperatees with the extension board.
Preferably, one side of the first sliding block is fixedly connected with the telescopic pipe, one end of the telescopic pipe is fixedly connected with the special-shaped block, the special-shaped block is rotationally connected with the box body, the first rotating shaft is positioned in the telescopic pipe, and the two supporting rods are abutted against the special-shaped block under the action of the first spring.
Preferably, an arc groove is formed in the special-shaped block, the arc block is connected in the arc groove in a sliding mode, a third spring is fixedly connected between the arc block and the arc groove, and a first inclined plane and a second inclined plane are formed in the special-shaped block.
The invention has the technical effects and advantages that: compared with the prior art, the highway subgrade large-grain stone tamping test device provided by the invention has the following advantages:
1. according to the invention, the rotating extrusion plate is arranged, the box body is rotated, when the box body is rotated to be in a vertical state, the sliding plate slides downwards, so that the extrusion plate is attached to the surface of a roadbed material, the extrusion plate is rotated and inclined with the connecting rod, the extrusion plate is attached to the arched surface, so that the arch arc surface is adapted to the arch surface, the connecting rod slides in the square pipe, the lower end of the square pipe is abutted against the extrusion plate, when the balancing weight impacts the sliding plate, the impact force is directly transmitted to the extrusion plate from the square pipe, the damage of the connecting rod and the extrusion plate is avoided, when the balancing weight is arranged at the bottom of the box body, the balancing weight is fixed by the fixing component, then the box body is rotated, when the box body rotates the balancing weight from the bottom to the upper end, the balancing weight is released by the fixing component, the sliding plate at the lower end is impacted by the balancing weight, the arch roadbed material is tamped material, the arch arc surface can be tamped by the device through the arrangement of the rotating extrusion plate, and when the box body is kept in a vertical state, the impact effect of the balancing weight on the sliding plate is not affected, the roadbed material tamped material in an experimental box is tamped, and efficiency is improved.
2. According to the invention, the rotating tube is arranged, the first motor drives the rotating tube to rotate, the balls move in the spiral line groove, the first rotating shaft rotates and moves towards one end of the rotating tube, the box body rotates, the road base material is tamped, the box body moves along with the first rotating shaft in real time, other parts are tamped, when the first motor rotates reversely, the box body can move back and forth along with the first rotating shaft and rotate in the moving process, the second rotating shaft drives the third gear to rotate on the first rack through the second sliding block, the two sliding blocks slide on the supporting frame, the box body moves, the moving range of the box body covers the experimental frame, the device can tamp most positions on the surface of the experimental frame, and the device is more flexible to use and enables the experiment to be more comprehensive.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an enlarged schematic view of the structure at E in fig. 1.
Fig. 3 is a schematic structural view of the case.
Fig. 4 is a schematic structural diagram of the first motor and the rotary tube.
Fig. 5 is an enlarged schematic view of the structure at F in fig. 4.
Fig. 6 is a top view of the case.
Fig. 7 is a schematic cross-sectional view of fig. 6 at A-A.
Fig. 8 is an enlarged schematic view of the structure of fig. 7 at D.
Fig. 9 is a schematic cross-sectional view of fig. 6 at B-B.
Fig. 10 is a schematic structural diagram of a sampling frame on the experimental frame.
Fig. 11 is an enlarged schematic view of the structure at H in fig. 10.
Fig. 12 is a schematic diagram of the operation of the sampling frame.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be clear and complete, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. The specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a highway subgrade large-grain stone ramming test device as shown in fig. 1-12, which comprises an experiment frame 1, wherein a support frame 11 is fixedly connected to the experiment frame 1, a first sliding block 12 and a second sliding block 121 are connected to the support frame 11 in a sliding manner, the first sliding block 12 is rotationally connected with a first rotating shaft 13, the second sliding block 121 is rotationally connected with a second rotating shaft 131, a box body 14 is fixedly connected between the first rotating shaft 13 and the second rotating shaft 131, two ends of the box body 14 are provided with openings, a balancing weight 15 is slidingly connected in the box body 14, two ends of the inner wall of the box body 14 are respectively provided with a mounting groove, fixing assemblies 4 are respectively arranged in the two mounting grooves, two ends of the box body 14 are respectively fixedly connected with a shell 16, two shells 16 are respectively internally and respectively connected with a sliding plate 17, one side of the sliding plate 17 is fixedly connected with a square tube 18, one side of the square tube 18 is slidingly connected with a connecting rod 2, one end of the connecting rod 2 is rotationally connected with the extruding plate 21, one side of the extruding plate 21 close to the connecting rod 2 is provided with an arc-shaped groove surface, the end of the square tube 18 is provided with an arc-shaped groove surface, and the arc-shaped groove surface of the extruding plate 21 is matched with the arc-shaped groove surface.
The roadbed material is filled in the experiment frame 1, and pack to the arch of similar bridge floor, during the experiment, rotate box 14, when box 14 rotates to vertical state, sliding plate 17 downwardly slide, make stripper plate 21 paste on roadbed material surface, afterwards, because in experiment frame 1 be the arch, rotate the slope between stripper plate 21 and the connecting rod 2, make stripper plate 21 paste on arched surface, afterwards, connecting rod 2 slides in square tube 18, make the lower extreme of square tube 18 support on stripper plate 21, when balancing weight 15 strikes stripper plate 17, the impact is direct to be transmitted to stripper plate 21 from square tube 18, avoid connecting rod 2 and stripper plate 21 to rotate the junction impaired, when balancing weight 15 is in box 14 bottom, fixed subassembly 4 is fixed balancing weight 15, afterwards, box 14 rotates balancing weight 15 from the bottom to the upper end, afterwards fixed subassembly 4 releases the balancing weight, make balancing weight 15 strike sliding plate 12 of lower extreme, carry out the impact on arch roadbed material, box 14 rotates one round, balancing weight 15 strikes twice, when pushing sliding block 12, make balancing weight 14 remove, the impact effect to the compaction device is carried out to the compaction, the impact device is realized to the top of the arc, the top of the bridge face, the impact device is realized by setting up the top, the impact effect is realized by the top of the bridge face, and the top of the device is changed, the impact device is realized by setting up the top, and the impact device is changed, and the impact effect is improved.
The first sliding block 12 one side fixed connection mounting bracket 22, the first motor 23 of one side fixed connection of mounting bracket 22, the first gear 24 of main shaft excircle fixed connection of first motor 23, first sliding block 12 one side rotation connection swiveling tube 25, swiveling tube 25's excircle fixed connection second gear 26, second gear 26 and first gear 24 meshing, first pivot 13 runs through first sliding block 12, second pivot 131 runs through second sliding block 121, first pivot 13 is located swiveling tube 25 and is in same axle center with swiveling tube 25, swiveling tube 25's inner wall is equipped with the spiral groove, swiveling tube 13's excircle fixed connection connects ball 28, ball 28 is located the spiral groove, second pivot 131's excircle is equipped with the spout, sliding connection second slider 29 in the spout, swiveling tube 29's outside fixed connection third gear 3, third gear 3 and second sliding block 121 rotation are connected, the one side fixed connection backup pad 31 of backup pad 31, backup pad 31's upper surface fixed connection first rack 32, first rack 32 and third gear 3 meshing.
The first motor 23 drives the rotating tube 25 to rotate, so that the balls 28 move in the spiral line groove, the first rotating shaft 13 rotates and moves towards one end of the rotating tube 25, the box body 14 rotates, the road base material is tamped, the box body 14 moves along with the first rotating shaft 13 during tamping, other parts are tamped, when the first motor rotates reversely, the box body 14 can move back and forth along with the first rotating shaft 13 and rotate during moving, the second rotating shaft 131 rotates, the second sliding block 29 drives the third gear 3 to rotate on the first rack 32, the first sliding block 12 and the second sliding block 121 slide on the supporting frame 11, the box body 14 moves, the moving range of the box body 14 covers the experimental frame 1, the device can tamp most positions of the surface of the experimental frame 1, the use is more flexible, and the experiment is more comprehensive.
The fixing component 4 comprises a support plate 41, the support plate 41 is rotationally connected with the box body 14 and is located in the placement groove, a torsion spring is arranged at the rotational connection position of the support plate 41 and the box body 14, a sliding groove is formed in one side of the box body 14, a support rod 42 is connected in the sliding groove in a sliding mode, a first spring 44 is fixedly connected between the support rod 42 and the side wall of the sliding groove, a through groove is formed in one side of the box body 14, the through groove is matched with the support plate 41, and the support plate 41 can penetrate through the through groove and be supported by the support rod 42.
When the balancing weight 15 is positioned at the bottom end of the vertical box body 14, the supporting plate 41 is positioned above the balancing weight 15, one end of the supporting plate 41 penetrates through the through groove and extends out of the box body 14, one end of the supporting rod 42 abuts against the supporting plate 41, then the box body 14 rotates, the balancing weight 15 can be prevented from sliding down prematurely under the action of the supporting rod 42 and the supporting plate 41, the tamping effect is influenced, when the balancing weight 15 rotates to the upper end from the bottom, the supporting rod 42 slides downwards, the supporting rod 42 is lost, the supporting plate 41 above rotates and releases the balancing weight 15, the balancing weight 15 slides downwards to firstly cross the supporting plate 41 below, then the extruding plate 21 at the bottom end is impacted, at the moment, the supporting plate 41 below is reset to be in a horizontal state under the action of the torsion spring, when the box body 14 continues to rotate, the supporting rod 42 slides gradually and is supported again to the supporting rod 42, and the balancing weight 15 is released from the upper end, so that the impact effect on the sliding plate 12 is best.
The telescopic pipe 5 is fixedly connected to one side of the first sliding block 12, one end of the telescopic pipe 5 is fixedly connected with the special-shaped block 51, the special-shaped block 51 is rotationally connected with the box 14, the first rotating shaft 13 is located in the telescopic pipe 5, the two supporting rods 42 are abutted to the special-shaped block 51 under the action of the first springs 44, an arc-shaped groove is formed in the special-shaped block 51, an arc-shaped block 52 is slidingly connected in the arc-shaped groove, a third spring 53 is fixedly connected between the arc-shaped block 52 and the arc-shaped groove, and a first inclined surface 54 and a second inclined surface 55 are arranged on the special-shaped block 51.
When the box body 14 rotates, the special-shaped block 51 and the box body 14 rotate, so that the special-shaped block 51 always keeps a certain state, the supporting rod 42 slides on the surface of the special-shaped block 51 under the action of the first spring 44, when the supporting rod 42 supports against the supporting plate 41 to fix the balancing weight 15, the supporting rod 42 is positioned on the second inclined plane 55, the radius of the second inclined plane 55 is gradually increased, the supporting rod 42 pushes the supporting plate 41 with better effect along with the increase of the radius, when the supporting rod 42 leaves the second inclined plane 55 and slides on the arc-shaped block 52, the supporting rod 42 pushes the supporting plate 41 to enable the supporting plate 41 to be attached to one side of the balancing weight 15, the supporting effect on the balancing weight 15 is maximum, a height difference exists between the arc-shaped block 52 and the first inclined plane 54, when the box body 14 rotates to a vertical state, the supporting rod 42 slides from the arc-shaped block 52 to the first inclined plane 54, the radius of first inclined plane 54 department is fixed and is less than the radius of second inclined plane 55, form the release in the twinkling of an eye, make bracing piece 42 and extension board 41 disappear in the twinkling of an eye to the fixed effect of balancing weight 15, balancing weight 15 drops in the twinkling of an eye, extension board 41 gets back to the standing groove, bracing piece 42 contradicts first inclined plane 54, the radius of first inclined plane 54 department is fixed and is less than the radius of second inclined plane 55, when first motor 23 reverses, when bracing piece 42 slides from first inclined plane 54 to arc piece 52 one side, bracing piece 42 promotes arc piece 52 and pushes arc piece 52 into the arc groove, avoid, arc piece 52 stops bracing piece 42 when avoiding reversing, make the device unable operation, the device is automatic has been improved, reduce artifical the participation, the possible stone of taking place to splash in the experiment, avoid the personnel to receive the injury.
One side sliding connection two sample frames 56 of experimental frame 1, one side fixed connection square pole 66 of two sample frames 56, one side sliding connection guide bar 57 of square pole 66, guide bar 57 and square pole 66 fixed connection fourth spring 7, rotate on the backup pad 31 and connect round bar 58, round bar 58's excircle fixed connection disc 59, a plurality of toggle blocks 6 of excircle fixed connection of disc 59, round bar 58's one end fixed connection cam 61, cam 61 and guide bar 57 meshing, the diameter of disc 59 is greater than cam 61's diameter, backup pad 31's upper surface is equipped with two spouts, equal sliding connection pole setting 62 in two spouts, fixed connection reset spring 63 between two pole setting 62 and the spout, the upper end fixed connection horizontal pole 64 of two pole setting 62, the one end rotation connection second one-way extension board 65 of horizontal pole 64, second one-way extension board 65 cooperatees with toggle block 6, second one-way extension board 65 and horizontal pole 64 junction are equipped with the torsional spring.
When the first rotating shaft 13 slides back and forth on the first sliding block 12 and the second sliding block 121, the second rotating shaft 131 pushes the cross rod 64, so that the second unidirectional support plate 65 at one end of the cross rod 64 pushes the plurality of poking blocks 6 on the outer circle of the disc 59, the disc 59 rotates to drive the cam 61 to rotate a certain angle, then the second rotating shaft 131 slides in the opposite direction, the cross rod 64 resets under the action of the reset spring 63, when the reset is performed, the second unidirectional support plate 65 rotates to avoid the poking blocks 6, then the second rotating shaft 131 pushes the cross rod 64 again, the cam 61 rotates a certain angle again, after the repeated times, the cam 61 bulges out the two sampling frames 56, the tamping effect of the device is conveniently detected, the sampling frames 56 are positioned at different depths, and the comparison can be formed.
Experiment frame 1 one side fixed connection layer board 81, layer board 81 sliding connection sliding block 82, sliding block 82 fixed connection cutting motor 83, a plurality of cutting pieces 84 of main shaft fixed connection of cutting motor 83 are equipped with the groove of dodging on experiment frame 1 side, and cutting piece 84 is stretched into in the experiment frame by dodging the groove. The supporting plate 81 is provided with a through groove, the sliding block 82 is I-shaped, one side of the supporting plate 81 is fixedly connected with an air cylinder 85, and a telescopic rod of the air cylinder 85 is fixedly connected with the sliding block 82. The upside and downside of sampling frame 56 all are open structure, and the stone that sampling frame 56 links to each other from top to bottom is resected to cutting piece 84 for sampling frame 56 is convenient for take out on the one hand, and on the other hand can not cause the sample disturbance in the sampling frame 56 because of upper and lower floor stone when taking out, is convenient for measurement data's accuracy
When the device is used, the first motor 23 drives the rotating tube 25 to rotate, the box body 14 rotates, the extruding plate 21 and the connecting rod 2 incline in a rotating way, the extruding plate 21 is attached to the arched surface, then the connecting rod 2 slides in the square tube 18, the lower end of the square tube 18 is propped against the extruding plate 21, when the balancing weight 15 impacts the sliding plate 17, impact force is directly transmitted to the extruding plate 21 from the square tube 18, the box body 14 moves along with the rotating second rotating shaft 131, the second rotating shaft 131 drives the third gear 3 to rotate on the first rack 32 through the second sliding block 29 when rotating, the first sliding block 12 and the second sliding block 121 slide on the supporting frame 11, the box body 14 moves, the moving range of the box body 14 covers the experimental frame 1, and when the box body 14 rotates, the balancing weight 15 rotates from the bottom end of the box body 14 to the upper end and falls from the upper end.
In the description of the present invention, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description of the present invention and to simplify the description, rather than to indicate or imply that the apparatus or element in question must have a specific azimuth configuration and operation, and thus should not be construed as limiting the present invention.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (3)
1. The utility model provides a highway subgrade large granule stone tamp test device, includes experimental frame (1), its characterized in that: the experimental box comprises an experimental frame (1), wherein a supporting frame (11) is fixedly connected to the experimental frame (1), a first sliding block (12) and a second sliding block (121) are connected to the supporting frame (11) in a sliding manner, the first sliding block (12) is rotationally connected with a first rotating shaft (13), the second sliding block (121) is rotationally connected with a second rotating shaft (131), a box body (14) is fixedly connected between the first rotating shaft (13) and the second rotating shaft (131), two ends of the box body (14) are provided with openings, a balancing weight (15) is slidingly connected to the box body (14), two ends of the inner wall of the box body (14) are respectively provided with a placement groove, a fixing assembly (4) is respectively arranged in each placement groove, two ends of the box body (14) are respectively fixedly connected with a shell (16), each sliding plate (17) is respectively connected to one side of each sliding plate (17) in each shell (16), each square pipe (18) is slidingly connected with a connecting rod (2), and one end of each connecting rod (2) is rotationally connected with a squeezing plate (21);
the fixing assembly (4) comprises a support plate (41), the support plate (41) is rotationally connected with the box body (14) and is positioned in the mounting groove, a torsion spring is arranged at the rotational connection position of the support plate (41) and the box body (14), a sliding groove is formed in one side of the box body (14), a support rod (42) is connected in the sliding groove in a sliding manner, a first spring (44) is fixedly connected between the support rod (42) and the side wall of the sliding groove, a through groove is formed in one side of the box body (14), and the through groove is matched with the support plate (41);
one side of the first sliding block (12) is fixedly connected with a telescopic pipe (5), one end of the telescopic pipe (5) is fixedly connected with a special-shaped block (51), the special-shaped block (51) is rotationally connected with the box body (14), the first rotating shaft (13) is positioned in the telescopic pipe (5), and the two supporting rods (42) are abutted against the special-shaped block (51) under the action of the first spring (44);
the special-shaped block (51) is provided with an arc groove, the arc groove is internally and slidably connected with an arc block (52), a third spring (53) is fixedly connected between the arc block (52) and the arc groove, and the special-shaped block (51) is provided with a first inclined surface (54) and a second inclined surface (55).
2. The highway subgrade large stone compaction test device according to claim 1, which is characterized in that: one side fixed connection mounting bracket (22) of first sliding block (12), one side fixed connection first motor (23) of mounting bracket (22), the first gear (24) of main shaft excircle fixed connection of first motor (23), the opposite side rotation connection rotation of first sliding block (12) is managed (25), the excircle fixed connection second gear (26) of rotation pipe (25), second gear (26) and first gear (24) meshing, first sliding block (12) are run through in first pivot (13), second sliding block (121) are run through in second pivot (131), first pivot (13) are located rotation pipe (25) and are in the same axle center with rotation pipe (25), the inner wall of rotation pipe (25) is equipped with spiral wire casing, the excircle rotation of first pivot (13) is connected ball (28), ball (28) are located spiral wire casing.
3. The highway subgrade large stone compaction test device according to claim 2, which is characterized in that: the excircle of second pivot (131) is equipped with the spout, sliding connection second slider (29) in the spout, the outside fixed connection third gear (3) of second slider (29), second slider (121) rotate to be connected, one side fixed connection backup pad (31) of support frame (11), the upper surface fixed connection first rack (32) of backup pad (31), first rack (32) and third gear (3) meshing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210061235.6A CN114518297B (en) | 2022-01-19 | 2022-01-19 | Highway subgrade large-grain stone ramming test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210061235.6A CN114518297B (en) | 2022-01-19 | 2022-01-19 | Highway subgrade large-grain stone ramming test device |
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| CN114518297A CN114518297A (en) | 2022-05-20 |
| CN114518297B true CN114518297B (en) | 2023-09-15 |
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| CN118029361B (en) * | 2024-04-10 | 2024-06-07 | 山东雷石工程建设有限公司 | Self-cleaning type tamper for engineering |
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| CN108411888A (en) * | 2018-04-04 | 2018-08-17 | 成都曌昊科技有限公司 | A kind of subgrade construction ramming compaction apparatus |
| CN208459104U (en) * | 2018-05-17 | 2019-02-01 | 邱磊 | A kind of highway communication use for laboratory earth ramming device |
| CN208618389U (en) * | 2018-06-28 | 2019-03-19 | 武汉市市政路桥有限公司 | A kind of weak subgrade tamping unit |
| CN109024540A (en) * | 2018-08-01 | 2018-12-18 | 深圳市南硕明泰科技有限公司 | A kind of rammer compacter for building with efficient compacting foundation function |
| WO2020103838A1 (en) * | 2018-11-20 | 2020-05-28 | 山东大学 | Method and system for determining foundation bearing capacity during high-speed hydraulic tamping in real time |
| CN210439109U (en) * | 2019-07-09 | 2020-05-01 | 中建桥梁有限公司 | Road surface bridge floor tamping device |
| CN210604242U (en) * | 2019-10-09 | 2020-05-22 | 孙桂霞 | Building material strength detection device |
| CN212452575U (en) * | 2020-05-09 | 2021-02-02 | 罗东超 | Road bridge is road bed tamping unit for construction |
| CN111733790A (en) * | 2020-07-03 | 2020-10-02 | 岳阳智博建筑工程有限公司 | A ramming device for construction |
| CN112459040A (en) * | 2020-11-17 | 2021-03-09 | 王�忠 | High-stability rammer compactor for building construction |
| CN113322924A (en) * | 2021-05-11 | 2021-08-31 | 浙江解放装饰工程有限公司 | Ramming device for building construction |
| CN215210967U (en) * | 2021-05-20 | 2021-12-17 | 李春兰 | Rammer plate structure of rammer compactor for earthwork roadbed construction |
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| CN114518297A (en) | 2022-05-20 |
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