CN114776019A - Construction device for waterproof post-cast strip structure of super-long underground structure - Google Patents
Construction device for waterproof post-cast strip structure of super-long underground structure Download PDFInfo
- Publication number
- CN114776019A CN114776019A CN202210347603.3A CN202210347603A CN114776019A CN 114776019 A CN114776019 A CN 114776019A CN 202210347603 A CN202210347603 A CN 202210347603A CN 114776019 A CN114776019 A CN 114776019A
- Authority
- CN
- China
- Prior art keywords
- vibrating
- box body
- cast strip
- underground structure
- strip structure
- Prior art date
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/06—Solidifying concrete, e.g. by application of vacuum before hardening
- E04G21/08—Internal vibrators, e.g. needle vibrators
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
- F16F15/0232—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means with at least one gas spring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/046—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means using combinations of springs of different kinds
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
Abstract
The invention is suitable for the technical field of underground structure construction equipment, and provides a construction device of a waterproof post-cast strip structure of an overlong underground structure; the method comprises the following steps: a box body; the vibrating component is arranged on the box body; the vibrating component is used for vibrating the concrete; the driving part is arranged on the box body and is in transmission connection with the vibrating part, and the driving part and the vibrating part are driven to be in soft transmission; thus, the vibration of the vibrating part is isolated from the driving part, and the driving part provides power for the vibrating part; and the damping component is arranged between the box body and the vibrating component and is used for reducing the vibration of the box body in the process. The invention can effectively prolong the service life of the driving part and has long service life.
Description
Technical Field
The invention relates to the technical field of underground structure construction equipment, in particular to a construction device for a waterproof post-cast strip structure of an overlong underground structure.
Background
The post-cast strip is a secondary construction area reserved at corresponding positions of a foundation slab, a wall and a beam according to design or construction specification requirements for preventing harmful cracks possibly generated by uneven self shrinkage or uneven settlement of a cast-in-place reinforced concrete structure in building construction. The post-cast strip structure comprises a primary casting layer (a left casting layer and a right casting layer), a secondary casting layer and a cushion layer positioned below the first casting layer and the secondary casting layer.
The post-cast strip structure needs to vibrate the concrete in the construction process, and equipment vibration ratio is bigger in the use for the motor on the equipment is damaged by easily, and life is short, and this technical problem is solved in order to solve this technical problem and now propose a waterproof post-cast strip structure construction equipment of overlength underground structure.
Disclosure of Invention
The invention aims to provide a construction device for a waterproof post-cast strip structure of an ultralong underground structure, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a waterproof post-cast strip structure construction equipment of overlength underground structure, includes: a box body;
the vibrating component is arranged on the box body; the vibrating component is used for vibrating the concrete;
the driving part is arranged on the box body and is in transmission connection with the vibrating part, and the driving part and the vibrating part are driven to be in soft transmission; thus, the vibration of the vibrating part is isolated from the driving part, and the driving part provides power for the vibrating part;
and the damping component is arranged between the box body and the vibrating component and is used for reducing the vibration of the box body in the process.
As a further scheme of the invention: the vibrating component comprises a box body and a crankshaft which is rotatably arranged in the box body, and the crankshaft is connected with a plurality of vibrating rods for vibrating.
As a still further scheme of the invention: one end of the vibrating rod is rotatably arranged on the connecting rod, and the connecting rod is rotatably connected to the crankshaft.
As a still further scheme of the invention: the driving part comprises a driving motor and a speed reducer which are fixedly installed on the box body, and the driving motor is in transmission connection with the speed reducer.
As a still further scheme of the invention: the damping part comprises a connecting rod connected to the box body and a mounting seat mounted on the box body, and the connecting rod is arranged in the mounting seat in a sliding manner through a piston; a plurality of inclined rods are arranged on the outer side of the connecting rod in an array mode, two ends of each inclined rod are respectively rotatably installed on the connecting rod and the corresponding rack, and the racks are installed on the installation seats on the box body in a left-right sliding mode; a plurality of gears which are elastically installed are arranged on the installation seat in an array mode, and the racks are meshed with the gears.
As a still further scheme of the invention: the gear is rotatably installed on the box body, a first elastic piece is further arranged on the gear, and two ends of the first elastic piece are fixedly installed on the gear and the box body respectively.
As a still further scheme of the invention: the mounting seat is internally provided with a second elastic piece, and two ends of the second elastic piece are respectively and fixedly mounted on the mounting seat and the piston.
As a still further scheme of the invention: the piston and the inside of the mounting seat are enclosed to form a shock absorption air cavity, and shock absorption air is stored in the shock absorption air cavity.
As a still further scheme of the invention: the damping air cavity is characterized in that a plurality of air cylinders are arranged on the outer side of the damping air cavity in an array mode, the air cylinders are communicated with the interior of the damping air cavity through communicating ports, piston rods are arranged in the air cylinders and connected to the racks, and the damping air cavity is located below the pistons.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the damping part is arranged between the box body and the vibrating part, so that the vibration between the box body and the vibrating part can be reduced, the vibration of the vibrating part is reduced and is transmitted to the box body, meanwhile, the driving part and the vibrating part are in soft transmission, the vibration of the vibrating part is not transmitted to the driving part, therefore, the service life of the driving part can be effectively prolonged, and the service life is long.
Drawings
Fig. 1 is a structural schematic diagram of a construction device of a waterproof post-cast strip structure of an ultra-long underground structure.
Fig. 2 is an enlarged view of a point a in fig. 1.
Fig. 3 is an enlarged view of fig. 2 at B.
Fig. 4 is a schematic view of an installation structure of a gear in a construction device for a waterproof post-cast strip structure of an ultralong underground structure.
Fig. 5 is a structural diagram of a rack in a construction device for a waterproof post-cast strip structure of an ultra-long underground structure.
In the figure: the vibration damping device comprises a box body 1, a crankshaft 2, a driving part 3, a damping part 4, a vibration part 5, a driving motor 6, a speed reducer 7, a movable roller 8, a connecting rod 9, a vibration rod 10, a box body 11, a mounting seat 12, a connecting rod 13, an inclined rod 14, a rack 15, a slide rod 16, a mounting seat 17, a gear 18, a piston 19, a cylinder 20, a piston rod 21, a communicating port 22, a damping air cavity 23, a first elastic part 24 and a second elastic part 25.
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. 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
Referring to fig. 1, in embodiment 1 of the present invention, a structural diagram of a construction apparatus for a waterproof post-cast strip structure of an ultra-long underground structure according to an embodiment of the present invention is provided, where the construction apparatus for a waterproof post-cast strip structure of an ultra-long underground structure includes: a box body 1;
a vibrating part 5 arranged on the box body 1; the vibrating part 5 is used for vibrating the concrete;
the driving part 3 is arranged on the box body 1 and is in transmission connection with the vibrating part 5, and drives the driving part 3 and the vibrating part 5 to be in soft transmission; thus isolating the vibration of the vibrating part 5 from the driving part 3, and the driving part 3 provides power for the vibrating part 5;
and a vibration attenuating member 4 disposed between the casing 1 and the vibrating member 5, the vibration attenuating member 4 being configured to reduce vibration of the casing 1 during the process.
Specifically, the damping part 4 is arranged between the box body 1 and the vibrating part 5, so that the vibration between the box body 1 and the vibrating part 5 can be slowed down, the vibration transmitted by the vibrating part 5 to the box body 1 is reduced, meanwhile, the driving part 3 and the vibrating part 5 are in soft transmission, the vibration of the vibrating part 5 cannot be transmitted to the driving part 3, the service life of the driving part 3 can be effectively prolonged, and the service life is long.
Example 2
Referring to fig. 1 to 5, the main difference between the present embodiment 2 and the present embodiment 1 is that the vibrating component 5 includes a box 11 and a crankshaft 2 rotatably disposed inside the box 11, and the crankshaft 2 is connected to a plurality of vibrating rods 10 for vibrating, so as to realize the arrangement of the vibrating component 5, and the box 11 supports the crankshaft 2. The vibrating rod 10 is used for vibrating concrete.
As shown in fig. 1, as a preferred embodiment of the present invention, in order to enable the crankshaft 2 to drive the vibrating rod 10 to vibrate up and down reciprocally, one end of the vibrating rod 10 is rotatably mounted on the connecting rod 9, the connecting rod 9 is rotatably connected to the crankshaft 2, so that the vibrating rod 10 can be driven to move up and down reciprocally during the rotation of the crankshaft 2, and the vibrating rod 10 is disposed through a guide hole formed in the box 11, so as to guide the movement of the vibrating rod 10.
The bottom of the box body 1 is provided with a movable roller 8 for supporting equipment.
As shown in fig. 1, as a preferred embodiment of the present invention, the driving part 3 includes a driving motor 6 and a speed reducer 7 fixedly installed on the box 1, and the driving motor 6 is in transmission connection with the speed reducer 7. The output of reduction gear 7 is connected on bent axle 2, 2 tip of bent axle are provided with first connection pad, be provided with the second connection pad on the reduction gear 7, connect through soft connecting axle between first connection pad and the second connection pad, so and then realized the soft connection between drive unit 3 and the part of vibrating 5, avoid giving reduction gear 7 and driving motor 6 with the vibration transmission on the part of vibrating 5. And further, the service lives of the driving motor 6 and the speed reducer 7 can be prolonged.
As shown in fig. 2 and 3, as a preferred embodiment of the present invention, the shock absorbing component 4 includes a connecting rod 13 connected to the box 11 and a mounting seat 12 mounted on the box 1, the connecting rod 13 is slidably disposed inside the mounting seat 12 through a piston 19; a plurality of inclined rods 14 are arranged on the outer side of the connecting rod 13 in an array mode, two ends of each inclined rod 14 are respectively rotatably installed on the connecting rod 13 and the rack 15, and the rack 15 is installed on an installation seat 17 on the box body 1 in a left-right sliding mode; a plurality of gears 18 which are elastically arranged are arranged on the mounting seat 17 in an array mode, and the rack 15 is meshed with the gears 18. So when in operation process, box 11 reciprocating vibration will shake transmission through connecting rod 13 and give down tube 14, and down tube 14 makes rack 15 reciprocating sliding on mount pad 17, and mount pad 17 drives gear 18 and rotates at the slip in-process, and gear 18 absorbs the vibration energy of mount pad 17, so and then can effectually absorb vibration, improve the shock attenuation effect.
Both ends of the rack 15 are fixedly provided with sliding rods 16, the sliding rods 16 are slidably arranged in through holes in the mounting seat 17, and therefore the rack 15 is installed in a left-right sliding mode. The mounting seat 17 is fixedly mounted on the box body 1, and the mounting seat 17 can be mounted through bolts.
As shown in fig. 4, in order to realize the elastic installation of the gear 18, the gear 18 is rotatably installed on the housing 1, and the gear 18 is further provided with a first elastic member 24, and both ends of the first elastic member 24 are fixedly installed on the gear 18 and the housing 1, respectively, so that the elastic rotation installation of the gear 18 is further realized, and the vibration is easily absorbed. The first elastic member 24 may be a coil spring, and this arrangement is convenient to implement.
In order to further improve the damping effect, a second elastic member 25 is disposed inside the mounting seat 12, and both ends of the second elastic member 25 are fixedly mounted on the mounting seat 12 and the piston 19, respectively, so that multi-stage damping is achieved. The second elastic member 25 may be a coil spring.
As shown in fig. 2/3, in order to further improve the shock absorption effect, the piston 19 and the inside of the mounting seat 12 form a shock absorption air chamber 23, and the shock absorption air chamber 23 stores shock absorption air, which may be nitrogen, therein. So set up and then realized that the damped shock-absorbing structure of multiple different dampings carries out the shock attenuation simultaneously effectually can absorb the vibration.
A plurality of air cylinders 20 are arranged on the outer side of the shock absorption air cavity 23 in an array mode, the air cylinders 20 are communicated with the interior of the shock absorption air cavity 23 through communication ports 22, piston rods 21 are arranged in the air cylinders 20, the piston rods 21 are connected to the racks 15, and the shock absorption air cavity 23 is located below the piston 19; so when box 11 is close to box 1, down tube 14 promotes rack 15 and moves to the outside, piston rod 21 slides to the outside, and then make the inside nitrogen gas of shock attenuation air cavity 23 enter into cylinder 20, so make shock attenuation air cavity 23 and the increase of cylinder 20 inner space, and then prevent that box 11 is close to box 1, reduce the vibration, when box 11 keeps away from box 1, the rack 15 of both sides moves to mount pad 12, and then make cylinder 20 and shock attenuation air cavity 23 inner space reduce, so prevent that box 11 keeps away from box 1, so reduce the vibration. The shock absorption device further can effectively absorb shock.
The working principle of the invention is as follows:
when the vibration reduction box works, the driving motor 6 is electrified to rotate, the driving motor rotates towards the crankshaft 2 through the speed reducer 7, soft transmission is adopted between the driving part 3 and the crankshaft 2, when the box body 11 approaches to the box body 1, the inclined rod 14 pushes the rack 15 to move outwards, the rack 15 passes through the gear 18 in the moving process, the gear 18 absorbs the vibration energy of the rack 15, meanwhile, the rack 15 drives the piston rod 21 to slide outwards, and then nitrogen in the shock absorption air cavity 23 enters the air cylinder 20, so that the internal spaces of the shock absorption air cavity 23 and the air cylinder 20 are enlarged, and the box body 11 is prevented from approaching to the box body 1, and the vibration is reduced; when the box body 11 is far away from the box body 1, the racks 15 on the two sides move towards the mounting seat 12, the racks 15 pass through the gear 18 in the moving process, and the gear 18 absorbs the vibration energy of the racks 15; the cylinder 20 is also moved toward the mount 12, so that the space inside the cylinder 20 and the damper air chamber 23 is reduced, thus preventing the housing 11 from being separated from the housing 1, thus reducing vibration. The shock absorption device further can effectively absorb shock.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "top", "bottom", "inner", "outer", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus are not to be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, in the description of the present invention, "a plurality" means two or more unless otherwise specified. A feature defined as "first," "second," etc. may explicitly or implicitly include one or more of the feature.
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.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a waterproof post-cast strip structure construction equipment of overlength underground structure which characterized in that includes: a box body;
the vibrating component is arranged on the box body; the vibrating component is used for vibrating the concrete;
the driving part is arranged on the box body and is in transmission connection with the vibrating part, and the driving part and the vibrating part are driven to be in soft transmission; thus, the vibration of the vibrating part is isolated from the driving part, and the driving part provides power for the vibrating part;
and the damping component is arranged between the box body and the vibrating component and is used for reducing the vibration of the box body in the process.
2. The construction apparatus for a waterproof post-cast strip structure of an ultra-long underground structure as claimed in claim 1, wherein the vibrating means comprises a housing and a crank shaft rotatably provided inside the housing, the crank shaft being connected with a plurality of vibrating rods for vibrating.
3. The apparatus for constructing a waterproof post-cast strip structure of an ultra-long underground structure as claimed in claim 2, wherein the vibrating rod is rotatably mounted at one end thereof to a connecting rod, and the connecting rod is rotatably connected to the crankshaft.
4. The construction equipment for the waterproof post-cast strip structure of the overlength underground structure according to claim 3, wherein the driving means comprises a driving motor and a speed reducer which are fixedly installed on the box body, and the driving motor is in transmission connection with the speed reducer.
5. The construction device for the waterproof post-cast strip structure of the overlength underground structure according to claim 4, wherein the output end of the reducer is connected to a crankshaft, a first connecting disc is arranged at the end of the crankshaft, a second connecting disc is arranged on the reducer, and the first connecting disc and the second connecting disc are connected through a soft connecting shaft.
6. The construction equipment for a waterproof post-cast strip structure of an overlength underground structure according to any one of claims 1 to 5, wherein the shock-absorbing member comprises a connecting rod connected to the box body and a mounting seat mounted on the box body, the connecting rod is slidably disposed inside the mounting seat through a piston; a plurality of inclined rods are arranged on the outer side of the connecting rod in an array mode, two ends of each inclined rod are respectively rotatably installed on the connecting rod and the corresponding rack, and the racks are installed on the installation seats on the box body in a left-right sliding mode; the mounting seat is provided with a plurality of elastically mounted gears in an array mode, and the rack is meshed with the gears.
7. The construction device for the waterproof post-cast strip structure of the overlength underground structure according to claim 6, wherein the gear is rotatably installed on the box body, and a first elastic member is further installed on the gear, and both ends of the first elastic member are respectively fixedly installed on the gear and the box body.
8. The construction device for the waterproof post-cast strip structure of the overlength underground structure according to claim 7, wherein a second elastic member is disposed inside the mounting base, and two ends of the second elastic member are respectively and fixedly mounted on the mounting base and the piston.
9. The construction device for the waterproof post-cast strip structure of the ultra-long underground structure as claimed in claim 8, wherein the piston is enclosed with the inside of the mounting seat to form a shock-absorbing air chamber, and shock-absorbing gas is stored in the shock-absorbing air chamber.
10. The construction device for the waterproof post-cast strip structure of the overlong underground structure according to claim 9, wherein a plurality of air cylinders are arranged on the outer side of the shock absorption air cavity in an array manner, the air cylinders are communicated with the inside of the shock absorption air cavity through communication ports, piston rods are arranged inside the air cylinders, the piston rods are connected to the racks, and the shock absorption air cavity is positioned below the pistons.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210347603.3A CN114776019B (en) | 2022-04-01 | 2022-04-01 | Waterproof post-pouring strip structure construction device of overlength underground structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210347603.3A CN114776019B (en) | 2022-04-01 | 2022-04-01 | Waterproof post-pouring strip structure construction device of overlength underground structure |
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| Publication Number | Publication Date |
|---|---|
| CN114776019A true CN114776019A (en) | 2022-07-22 |
| CN114776019B CN114776019B (en) | 2023-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210347603.3A Active CN114776019B (en) | 2022-04-01 | 2022-04-01 | Waterproof post-pouring strip structure construction device of overlength underground structure |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4015909A (en) * | 1976-01-24 | 1977-04-05 | Shinzo Yamamoto | Tamping machine |
| US20050069385A1 (en) * | 2001-10-09 | 2005-03-31 | Quenzi Philip J. | Apparatus for screeding uncured concrete surfaces |
| CN101876159A (en) * | 2010-07-23 | 2010-11-03 | 北京华洋建设开发有限公司 | Cement-concrete paving and leveling device |
| CN102797214A (en) * | 2012-09-03 | 2012-11-28 | 张晓军 | All-electric driven concrete laser leveler |
| CN208039850U (en) * | 2018-03-29 | 2018-11-02 | 江苏省交通工程集团有限公司 | A kind of efficient vibrator |
| WO2020233271A1 (en) * | 2019-05-22 | 2020-11-26 | 江苏大学 | Double-head trowelling machine self-adaptive balancing mechanism and adjusting method thereof |
| CN212249248U (en) * | 2020-04-01 | 2020-12-29 | 天津中铁建业集团有限公司 | A vibration device for bar foundation pouring construction |
| WO2021046871A1 (en) * | 2019-09-10 | 2021-03-18 | 苏州莱锦机电自动化科技有限公司 | Efficient vibration-damping device for mechanical apparatus |
| CN213898166U (en) * | 2020-10-26 | 2021-08-06 | 青岛天聚商砼有限公司 | Vibrating device for concrete construction |
-
2022
- 2022-04-01 CN CN202210347603.3A patent/CN114776019B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4015909A (en) * | 1976-01-24 | 1977-04-05 | Shinzo Yamamoto | Tamping machine |
| US20050069385A1 (en) * | 2001-10-09 | 2005-03-31 | Quenzi Philip J. | Apparatus for screeding uncured concrete surfaces |
| CN101876159A (en) * | 2010-07-23 | 2010-11-03 | 北京华洋建设开发有限公司 | Cement-concrete paving and leveling device |
| CN102797214A (en) * | 2012-09-03 | 2012-11-28 | 张晓军 | All-electric driven concrete laser leveler |
| CN208039850U (en) * | 2018-03-29 | 2018-11-02 | 江苏省交通工程集团有限公司 | A kind of efficient vibrator |
| WO2020233271A1 (en) * | 2019-05-22 | 2020-11-26 | 江苏大学 | Double-head trowelling machine self-adaptive balancing mechanism and adjusting method thereof |
| WO2021046871A1 (en) * | 2019-09-10 | 2021-03-18 | 苏州莱锦机电自动化科技有限公司 | Efficient vibration-damping device for mechanical apparatus |
| CN212249248U (en) * | 2020-04-01 | 2020-12-29 | 天津中铁建业集团有限公司 | A vibration device for bar foundation pouring construction |
| CN213898166U (en) * | 2020-10-26 | 2021-08-06 | 青岛天聚商砼有限公司 | Vibrating device for concrete construction |
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| Publication number | Publication date |
|---|---|
| CN114776019B (en) | 2023-07-07 |
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