CN111101499B - Foundation compaction device for building engineering - Google Patents
Foundation compaction device for building engineering Download PDFInfo
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- CN111101499B CN111101499B CN201911396427.7A CN201911396427A CN111101499B CN 111101499 B CN111101499 B CN 111101499B CN 201911396427 A CN201911396427 A CN 201911396427A CN 111101499 B CN111101499 B CN 111101499B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/046—Improving by compacting by tamping or vibrating, e.g. with auxiliary watering of the soil
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- Agronomy & Crop Science (AREA)
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- General Life Sciences & Earth Sciences (AREA)
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- Road Paving Machines (AREA)
Abstract
The invention discloses a foundation compacting device for constructional engineering, relates to the technical field of constructional engineering, and solves the problems that the existing foundation compacting process is poor in operation safety, inconvenient to operate, difficult to adjust compacted weight, poor in compacting effect and the like. The utility model provides a foundation compaction device for building engineering, includes the bottom sprag frame, moving mechanism is installed to the up end of bottom sprag frame, two tip supporting mechanism are installed to one side of moving mechanism, tip supporting mechanism includes tip support frame, fixed supporting foot board, supports spacing arc board and connection bearing, four fixed supporting foot boards are installed to the lower terminal surface of tip support frame, four are installed to tip support frame up end and are supported spacing arc board, two of them the connection bearing is installed to the up end that supports spacing arc board. The invention improves the compaction efficiency by carrying out compaction operation on the foundation, has wide application range of the foundation and is convenient to adjust the compaction weight.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a foundation compaction device for constructional engineering.
Background
Along with the rapid development of social economy, the scale of construction engineering is getting bigger and bigger, the compaction operation needs to be carried out on the foundation before the foundation is constructed, the compaction refers to applying dynamic or static external force on soil or other road building materials to improve the operation of compactness of the soil or other road building materials, low-rise buildings such as houses, schools and offices are frequently constructed by being matched with a concrete structure in modern times, the construction foundation needs to be compacted, if the compaction is insufficient, the construction ground in the later period is easy to be sunken, and a collapse accident can be caused in serious cases, so that the service life of the building and the safety of residents are influenced.
However, the existing foundation compaction process has poor operation safety and inconvenient operation, and the compacted weight is not easy to adjust, so that the compaction effect is poor; thus, the existing requirements are not met, and a foundation compaction device for construction engineering is provided for the same.
Disclosure of Invention
The invention aims to provide a foundation compaction device for construction engineering, which aims to solve the problems that the prior foundation compaction process has poor operation safety, is inconvenient to operate, is difficult to adjust the compacted weight, and has poor compaction effect and the like in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a foundation compaction device for constructional engineering comprises a bottom support frame, wherein a moving mechanism is installed on the upper end face of the bottom support frame, two end portion supporting mechanisms are installed on one side of the moving mechanism, each end portion supporting mechanism comprises an end portion supporting frame, fixed supporting foot plates, supporting limiting arc plates and connecting bearings, four fixed supporting foot plates are installed on the lower end face of each end portion supporting frame, four supporting limiting arc plates are installed on the upper end face of each end portion supporting frame, the connecting bearings are installed on the upper end faces of the two supporting limiting arc plates, a transmission mechanism is installed on one side of one end portion supporting mechanism, and four compaction mechanisms are installed on the outer side of the transmission mechanism;
the compacting mechanism comprises a compacting main body, a limiting guide plate, a buffer spring, a middle guide rod, an end limiting block, a sealing plate, a guiding through groove, balancing weights and a limiting clamping plate, wherein the middle guide rod is installed on the inner side of the buffer spring, the end limiting block is installed at one end of the middle guide rod, the limiting clamping plate is installed at one side of the end limiting block, five balancing weights are installed on two sides of the limiting clamping plate, the compacting main body is installed on the outer sides of four balancing weights, the sealing plate is installed on the upper end face of the compacting main body, the guiding through groove is arranged on the lower end face of the compacting main body, the limiting guide plates are installed on two sides of the compacting main body, the limiting mechanism is installed on one side of the compacting mechanism and comprises a movable limiting plate, a supporting arc plate, a fixed supporting plate, a supporting spring and a safety post, the supporting spring is installed on the outer side of the safety post, the fixed support plate is installed to supporting spring's one end, the activity limiting plate is installed to supporting spring's the other end, two support arc boards are installed to one side of activity limiting plate.
Preferably, the moving mechanism comprises a handrail support frame, handrail height adjusting rods and a handrail plate, the handrail height adjusting rods are installed on the upper end face of the handrail support frame, and the handrail plate is installed on the upper end face of one of the handrail height adjusting rods.
Preferably, the bottom sprag frame is including supporting the guide post, supporting chassis, bottom lock sleeve and supporting the pulley seat, six bottom lock sleeves are installed to the lower terminal surface that supports the chassis, the inboard of bottom lock sleeve is installed and is supported the guide post, one of them the supporting pulley seat is installed to one side of supporting the guide post.
Preferably, the transmission mechanism comprises a motor support frame, a reinforcing rib plate, a transmission motor, a spindle, a rotating sleeve, an end limiting ring and a rotating connecting frame, the motor support frame is installed on the upper end face of the reinforcing rib plate, the transmission motor is installed on the upper end face of the motor support frame, the spindle is installed at one end of the transmission motor, the rotating connecting frame is installed on the outer side of the spindle, the rotating sleeve is installed on the outer side of the rotating connecting frame, and the end limiting ring is installed at each of two ends of the rotating sleeve.
Preferably, one side of spacing deflector is provided with waist type hole, the one end of activity limiting plate runs through waist type hole and extends to the inboard that supports the arc board, the activity limiting plate passes through supporting spring with the fixed bolster and is connected, the one end welded fastening of insurance post is in the one end of activity limiting plate.
Preferably, one end of the buffer spring is welded and fixed on the outer side of one end of the middle guide rod, a guide hole is formed in the upper end face of the sealing plate, and the other end of the middle guide rod penetrates through the guide hole and is fixed on the upper end face of the end limiting block through screw connection.
Preferably, the closing plate is fixed on the upper end face of the compaction main body through screw connection, an installation groove is formed in the inner side of the compaction main body, and the balancing weight is fixed on the inner side of the installation groove through screw connection.
Preferably, the handrail plate is fixed on the upper end surface of the handrail height adjusting rod through screw connection, and the bottom end of the handrail height adjusting rod is fixed on the inner side of the upper end of the handrail supporting frame through screw connection.
Preferably, the bottom end of the supporting guide column penetrates through the supporting bottom frame and is fixed on the inner side of the bottom locking sleeve through threaded connection, and the supporting pulley seat is welded and fixed on the lower end face of the supporting bottom frame.
Preferably, the rotary connecting frame is fixed on the outer side of the main shaft through screw connection, and the end limiting rings are respectively connected and fixed with the rotary connecting frame through screws and the rotary sleeve.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the number of the balancing weights is adjusted according to the softness and compactness of the soil layer, so that the weight in the compaction process is convenient to adjust, one end of the movable limiting plate is separated from one side of the limiting clamping plate, the safety post can effectively ensure the contraction distance between the movable limiting plate and the supporting spring, so that the limiting clamping plate accelerates to carry out compaction operation on the foundation downwards, the end limiting block can limit the compaction main body through the sealing plate, and the compaction main body is prevented from being separated from the middle guide rod;
2. according to the invention, when the compaction main body moves to the highest point, the compaction main body moves downwards under the guidance of the middle guide rod, the buffer spring has a buffer effect on the sealing plate, so that structural collision is avoided, the compaction main body is further temporarily fixed, the four compaction main bodies are integrally arranged, the foundation can be continuously compacted in the rotating process, the operation efficiency is high, and the compaction main body can move only when the compaction main body is in a vertical state, so that the compaction effect of the compaction main body can be effectively improved.
Drawings
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is a side view of the present invention in its entirety;
FIG. 3 is a schematic cross-sectional view of the transmission mechanism of the present invention;
FIG. 4 is a schematic view of the end support mechanism of the present invention in partial cross-section;
FIG. 5 is a schematic view of a partial structure of the limiting mechanism of the present invention;
FIG. 6 is a schematic view of a partial cross-sectional configuration of the compaction mechanism of the invention.
In the figure: 1. a moving mechanism; 101. a handrail support frame; 102. a handrail height adjusting rod; 103. a handrail plate; 2. a middle mounting plate; 3. a bottom support frame; 301. supporting the guide post; 302. a support chassis; 303. a bottom locking sleeve; 304. supporting the pulley seat; 4. an end support mechanism; 401. an end support frame; 402. fixing the supporting foot plate; 403. supporting the limiting arc plate; 404. connecting a bearing; 5. a transmission mechanism; 501. a motor support frame; 502. a reinforcing rib plate; 503. a drive motor; 504. a main shaft; 505. rotating the sleeve; 506. an end stop collar; 507. a rotating connecting frame; 6. a compaction mechanism; 601. compacting the body; 602. a limiting guide plate; 603. a buffer spring; 604. a middle guide bar; 605. an end limiting block; 606. closing the plate; 607. a guide through groove; 608. a balancing weight; 609. a limiting clamping plate; 7. a limiting mechanism; 701. a movable limit plate; 702. supporting the arc plate; 703. fixing the support plate; 704. a support spring; 705. and a safety post.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
The drive motor 503 (model number YS 7134) referred to in the present invention is available from commercial sources or from private customization.
Referring to fig. 1 to 6, an embodiment of the present invention includes: a foundation compaction device for constructional engineering comprises a bottom support frame 3, wherein a moving mechanism 1 is installed on the upper end face of the bottom support frame 3, the moving mechanism 1 is convenient for moving the whole structure, two end support mechanisms 4 are installed on one side of the moving mechanism 1, each end support mechanism 4 comprises an end support frame 401, a fixed support foot plate 402, a support limit arc plate 403 and a connecting bearing 404, four fixed support foot plates 402 are installed on the lower end face of each end support frame 401, four support limit arc plates 403 are installed on the upper end face of each end support frame 401, the connecting bearings 404 are installed on the upper end faces of the two support limit arc plates 403, a transmission mechanism 5 is installed on one side of one end support mechanism 4, and four compaction mechanisms 6 are installed on the outer side of each transmission mechanism 5;
the compacting mechanism 6 comprises a compacting main body 601, a limiting guide plate 602, a buffer spring 603, a middle guide rod 604, an end limiting block 605, a sealing plate 606, a guiding through groove 607, a balancing weight 608 and a limiting clamping plate 609, the middle guide rod 604 is installed on the inner side of the buffer spring 603, the buffer spring 603 plays a role in buffering the sealing plate 606 and avoids structural collision, the end limiting block 605 is installed at one end of the middle guide rod 604, the limiting clamping plate 609 is installed on one side of the end limiting block 605, five balancing weights 608 are installed on two sides of the limiting clamping plate 609, the compacting main body 601 is installed on the outer sides of four balancing weights 608, the sealing plate 606 is installed on the upper end face of the compacting main body 601, the guiding through groove 607 is arranged on the lower end face of the compacting main body 601, the limiting guide plate 602 is installed on two sides of the compacting main body 601, the limiting mechanism 7 is installed on one side of the compacting mechanism 6, and the limiting mechanism 7 comprises a movable limiting plate 701, Support arc board 702, fixed support plate 703, supporting spring 704 and insurance post 705, supporting spring 704 is installed in the outside of insurance post 705, supporting spring 704 can play the insurance effect to activity limiting plate 701, prevent that activity limiting plate 701 shrink distance is too big, fixed support plate 703 is installed to supporting spring 704's one end, activity limiting plate 701 is installed to supporting spring 704's the other end, can carry out the joint to compaction main part 601 through activity limiting plate 701, be convenient for fix temporarily to compaction main part 601, two support arc boards 702 are installed to one side of activity limiting plate 701, wholly through carrying out the compaction operation to the ground, improve the efficiency of compaction, and be suitable for the ground kind wide, be convenient for adjust compaction weight.
Further, the moving mechanism 1 includes a handrail support frame 101, handrail height adjusting rods 102 and handrail plates 103, the handrail height adjusting rods 102 are installed on the upper end surface of the handrail support frame 101, the handrail plate 103 is installed on the upper end surface of one of the handrail height adjusting rods 102, and the moving mechanism 1 is convenient for moving the whole structure.
Further, the bottom support frame 3 comprises a support guide column 301, a support base frame 302, bottom locking sleeves 303 and support pulley seats 304, six bottom locking sleeves 303 are installed on the lower end face of the support base frame 302, the support guide column 301 is installed on the inner side of each bottom locking sleeve 303, the support pulley seat 304 is installed on one side of one support guide column 301, and the whole body can be supported through the bottom support frame 3, so that the height can be adjusted conveniently.
Further, the transmission mechanism 5 comprises a motor support frame 501, a reinforcing rib plate 502, a transmission motor 503, a spindle 504, a rotating sleeve 505, an end limiting ring 506 and a rotary connecting frame 507, the motor support frame 501 is installed on the upper end face of the reinforcing rib plate 502, the transmission motor 503 is installed on the upper end face of the motor support frame 501, the spindle 504 is installed at one end of the transmission motor 503, the rotary connecting frame 507 is installed on the outer side of the spindle 504, the rotating sleeve 505 is installed on the outer side of the rotary connecting frame 507, the end limiting rings 506 are installed at two ends of the rotating sleeve 505, and the compaction mechanism 6 can be driven to carry out compaction operation through the transmission mechanism 5.
Further, one side of spacing deflector 602 is provided with waist type hole, the one end of activity limiting plate 701 runs through waist type hole and extends to the inboard that supports arc board 702, activity limiting plate 701 passes through supporting spring 704 with fixed support plate 703 and is connected, the one end welded fastening of insurance post 705 can carry out the joint to compaction main part 601 through activity limiting plate 701, be convenient for carry out the temporary fixation to compaction main part 601, supporting spring 704 can play the guard action to activity limiting plate 701, prevent that activity limiting plate 701 shrink distance is too big.
Further, buffer spring 603's one end welded fastening is in the outside of middle part guide bar 604 one end, and the up end of shrouding 606 is provided with the guiding hole, and the other end of middle part guide bar 604 runs through the guiding hole and fixes the up end at tip stopper 605 through bolted connection, and buffer spring 603 plays the cushioning effect to shrouding 606, avoids the emergence structure collision.
Further, shrouding 606 passes through the screw connection to be fixed at the up end of compaction main part 601, and the inboard of compaction main part 601 is provided with the mounting groove, and balancing weight 608 passes through the screw connection to be fixed in the inboard of mounting groove, can adjust balancing weight 608's quantity according to the softness and the closely knit degree on soil layer, is convenient for adjust the weight of compaction in-process.
Further, the handrail plate 103 is fixed on the upper end surface of the handrail height adjusting rod 102 through screw connection, the bottom end of the handrail height adjusting rod 102 is fixed on the inner side of the upper end of the handrail supporting frame 101 through screw connection, and the height of the handrail plate 103 is adjusted, so that the handrail height adjusting device is convenient to use.
Further, the bottom end of the support guide column 301 penetrates through the support chassis 302 and is fixed on the inner side of the bottom locking sleeve 303 through threaded connection, the support pulley seat 304 is welded and fixed on the lower end face of the support chassis 302, and the whole height can be adjusted through rotating the bottom locking sleeve 303, so that the support guide column is convenient to move and operate.
Furthermore, the rotary connecting frame 507 is fixed on the outer side of the main shaft 504 through screw connection, the end limiting ring 506 is respectively connected and fixed with the rotary connecting frame 507 through screws and the rotary sleeve 505, the end limiting ring 506 can play a role in fixing and limiting the rotary connecting frame 507, and the stability of the structure is improved.
When the device is used, whether the functions of all parts are intact is checked, the number of the balancing weights 608 is adjusted according to the softness and the compactness of a soil layer, the weight in the compaction process is convenient to adjust, the power supply is switched on, the transmission motor 503 is started, the transmission motor 503 drives the rotary connecting frame 507 and the rotary sleeve 505 to rotate through the main shaft 504, the rotary sleeve 505 can be supported through the supporting limiting arc plate 403, one end of the limiting guide plate 602 is welded and fixed on the outer side of the rotary sleeve 505, the rotary sleeve 505 drives the limiting guide plate 602 to rotate, the bottom end of the middle guide rod 604 penetrates through the sealing plate 606 and extends to the inner side of the compaction main body 601, and the middle guide rod 604 can guide the compaction main body 601;
when the foundation is compacted, the compaction main body 601 moves downwards along the limiting guide plate 602 and the middle guide rod 604 under the drive of the balancing weight 608, at this time, one end of the movable limiting plate 701 is separated from one side of the limiting clamping plate 609, the other end of the movable limiting plate 701 drives the supporting spring 704 to contract the safety post, one end of the safety post 705 is in contact with the fixed supporting plate 703, the contraction distance between the movable limiting plate 701 and the supporting spring 704 can be effectively ensured, so that the limiting clamping plate 609 accelerates downwards to compact the foundation, the end limiting block 605 can limit the compaction main body 601 through the sealing plate 606 to avoid the separation of the compaction main body 601 from the middle guide rod 604, when the compaction main body 601 moves to the highest point, the compaction main body 601 moves downwards under the guide of the middle guide rod 604, at this time, one end of the movable limiting plate 701 is clamped with the limiting clamping plate 609, and the buffer spring 603 plays a buffer role on the sealing plate 606, avoid the emergence structure collision, and then carry out interim fixing to compaction main part 601, wholly be provided with four compaction main parts 601, can constantly carry out the compaction to the ground at rotatory in-process, operating efficiency is high, and only just can remove when compaction main part 601 is in vertical state, can effectively improve the compaction effect of compaction main part 601.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a foundation compaction device for building engineering, includes bottom sprag frame (3), its characterized in that: the upper end face of the bottom support frame (3) is provided with a moving mechanism (1), one side of the moving mechanism (1) is provided with two end portion support mechanisms (4), each end portion support mechanism (4) comprises an end portion support frame (401), four fixed support foot plates (402), support limiting arc plates (403) and a connecting bearing (404), the lower end face of each end portion support frame (401) is provided with four fixed support foot plates (402), the upper end face of each end portion support frame (401) is provided with four support limiting arc plates (403), the upper end faces of the two support limiting arc plates (403) are provided with connecting bearings (404), one side of one end portion support mechanism (4) is provided with a transmission mechanism (5), and the outer side of the transmission mechanism (5) is provided with four compacting mechanisms (6); the compaction mechanism (6) comprises a compaction main body (601), a limiting guide plate (602), a buffer spring (603), a middle guide rod (604), an end limiting block (605), a sealing plate (606), a guiding through groove (607), balancing weights (608) and a limiting clamping plate (609), wherein the middle guide rod (604) is installed on the inner side of the buffer spring (603), the end limiting block (605) is installed at one end of the middle guide rod (604), the limiting clamping plate (609) is installed on one side of the end limiting block (605), five balancing weights (608) are installed on two sides of the limiting clamping plate (609), the compaction main body (601) is installed on the outer sides of the four balancing weights (608), the sealing plate (606) is installed on the upper end face of the compaction main body (601), the guiding through groove (607) is arranged on the lower end face of the compaction main body (601), and the limiting guide plates (602) are installed on two sides of the compaction main body (601), a limiting mechanism (7) is installed on one side of the compacting mechanism (6), the limiting mechanism (7) comprises a movable limiting plate (701), supporting arc plates (702), a fixed supporting plate (703), a supporting spring (704) and a safety post (705), the supporting spring (704) is installed on the outer side of the safety post (705), the fixed supporting plate (703) is installed on one end of the supporting spring (704), the movable limiting plate (701) is installed on the other end of the supporting spring (704), and two supporting arc plates (702) are installed on one side of the movable limiting plate (701); the transmission mechanism (5) comprises a motor support frame (501), a reinforcing rib plate (502), a transmission motor (503), a spindle (504), a rotating sleeve (505), an end limiting ring (506) and a rotary connecting frame (507), wherein the motor support frame (501) is installed on the upper end face of the reinforcing rib plate (502), the transmission motor (503) is installed on the upper end face of the motor support frame (501), the spindle (504) is installed at one end of the transmission motor (503), the rotary connecting frame (507) is installed on the outer side of the spindle (504), the rotating sleeve (505) is installed on the outer side of the rotary connecting frame (507), and the end limiting rings (506) are installed at two ends of the rotating sleeve (505).
2. A foundation compacting apparatus for construction engineering as claimed in claim 1, wherein: the moving mechanism (1) comprises a handrail support frame (101), handrail height adjusting rods (102) and handrail plates (103), wherein the handrail height adjusting rods (102) are installed on the upper end face of the handrail support frame (101), and the handrail plates (103) are installed on the upper end face of one handrail height adjusting rod (102).
3. A foundation compacting apparatus for construction engineering as claimed in claim 1, wherein: the bottom support frame (3) comprises support guide columns (301), support bottom frames (302), bottom locking sleeves (303) and support pulley seats (304), six bottom locking sleeves (303) are mounted on the lower end face of each support bottom frame (302), the support guide columns (301) are mounted on the inner sides of the bottom locking sleeves (303), and the support pulley seat (304) is mounted on one side of one support guide column (301); one side of the limiting guide plate (602) is provided with a waist-shaped hole, one end of the movable limiting plate (701) penetrates through the waist-shaped hole and extends to the inner side of the supporting arc plate (702), the movable limiting plate (701) is connected with the fixed supporting plate (703) through a supporting spring (704), and one end of the safety post (705) is welded and fixed at one end of the movable limiting plate (701); one end of the buffer spring (603) is welded and fixed on the outer side of one end of the middle guide rod (604), a guide hole is formed in the upper end face of the sealing plate (606), and the other end of the middle guide rod (604) penetrates through the guide hole and is fixed on the upper end face of the end limiting block (605) through screw connection.
4. A foundation compacting apparatus for construction engineering as claimed in claim 1, wherein: the sealing plate (606) is fixedly connected to the upper end face of the compaction main body (601) through screws, an installation groove is formed in the inner side of the compaction main body (601), and the balancing weight (608) is fixedly connected to the inner side of the installation groove through screws.
5. A foundation compacting apparatus for construction engineering as claimed in claim 2, characterized in that: the handrail plate (103) is fixedly connected with the upper end surface of the handrail height adjusting rod (102) through screws, and the bottom end of the handrail height adjusting rod (102) is fixedly connected with the inner side of the upper end of the handrail supporting frame (101) through screws.
6. A foundation compacting apparatus for construction engineering as claimed in claim 3, characterized in that: the bottom end of the support guide column (301) penetrates through the support bottom frame (302) and is fixed on the inner side of the bottom locking sleeve (303) through threaded connection, and the support pulley seat (304) is fixed on the lower end face of the support bottom frame (302) in a welding mode.
7. A foundation compacting apparatus for construction engineering as claimed in claim 3, characterized in that: the rotary connecting frame (507) is fixedly connected with the outer side of the main shaft (504) through screws, and the end limiting ring (506) is fixedly connected with the rotary connecting frame (507) through screws and the rotary sleeve (505).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911396427.7A CN111101499B (en) | 2019-12-30 | 2019-12-30 | Foundation compaction device for building engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911396427.7A CN111101499B (en) | 2019-12-30 | 2019-12-30 | Foundation compaction device for building engineering |
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| CN111101499A CN111101499A (en) | 2020-05-05 |
| CN111101499B true CN111101499B (en) | 2021-12-03 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2713863B2 (en) * | 1994-11-14 | 1998-02-16 | 中富 栗本 | Improvement method for soft ground |
| US6126375A (en) * | 1998-09-15 | 2000-10-03 | O'brien; Jack | Material testing apparatus |
| CN104264654A (en) * | 2014-08-30 | 2015-01-07 | 青岛田瑞生态科技有限公司 | Using method for tamping machine with counterweight |
| CN207211122U (en) * | 2017-07-12 | 2018-04-10 | 浙江迪野农业装备有限公司 | A kind of construction land used face press |
| CN107254966A (en) * | 2017-07-26 | 2017-10-17 | 吴佳慧 | A kind of construction land used face compaction apparatus |
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Effective date of registration: 20211104 Address after: 325000 No. 2, Xi'ao Road, Shuangyu street, Lucheng District, Wenzhou City, Zhejiang Province Applicant after: Zhan Xiaodan Address before: China Communications Construction Group Co., Ltd., No.56, nanfangzhuang, Fengtai District, Beijing 100071 Applicant before: Wu Shuhui |
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