CN111271091A - Concrete is with device that vibrates and contain platform truck of this concrete device that vibrates - Google Patents
Concrete is with device that vibrates and contain platform truck of this concrete device that vibrates Download PDFInfo
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- CN111271091A CN111271091A CN202010207117.2A CN202010207117A CN111271091A CN 111271091 A CN111271091 A CN 111271091A CN 202010207117 A CN202010207117 A CN 202010207117A CN 111271091 A CN111271091 A CN 111271091A
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- vibrating device
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- 230000007246 mechanism Effects 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 6
- 239000003921 oil Substances 0.000 claims description 5
- 239000010687 lubricating oil Substances 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 abstract description 22
- 230000000694 effects Effects 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009415 formwork Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000005284 excitation Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention provides a concrete vibrating device which comprises a vibrating device, a rotating assembly and an installation rack support, wherein the vibrating device is used for vibrating concrete and is rotatably arranged on the installation rack support through the rotating assembly, and the rotating assembly is used for adjusting the relative positions of the vibrating device and the installation rack support to realize vibrating of different positions of the concrete. The scheme of the invention has the following effects: the concrete vibrating device has a simplified structure; the rotating assembly drives the vibrating device to rotate, the reinforcing mesh can be effectively avoided, the lining construction with the reinforcing mesh inside is suitable, efficient vibration can be performed on concrete, damage to the template or the vibrating device cannot be caused, and the vibrating device is good in vibrating effect and convenient to operate. The invention also discloses a trolley which comprises the concrete vibrating device and is beneficial to lining construction.
Description
Technical Field
The invention relates to the technical field of tunnel construction, in particular to a concrete vibrating device and a trolley comprising the concrete vibrating device.
Background
In the concrete pouring process, in order to prevent the concrete from phenomena of void, unevenness, cellular pitted surface, incompact and the like, the concrete must be vibrated by a vibrating device in the pouring process.
When a large formwork is used to cast a concrete structure with a certain thickness in a closed manner (such as secondary lining casting in a tunnel), an attached slab vibrator is generally installed on the formwork to vibrate concrete attached to the surface of the formwork and a hand-held vibrating rod is generally used to vibrate the concrete deeply through a window formed in the formwork. Due to the limited excitation depth of the attached flat plate vibrator, the excitation depth of the handheld vibrating rod is enough, but the excitation range is limited, so that effective deep vibration is not carried out in many places (such as vault positions). Therefore, most of the methods adopt an insertion type vibrating device arranged on the formwork to compensate the problem of insufficient excitation depth.
When the plug-in type vibrating device is used for vibrating, because the reinforcing mesh in lining pouring is blocked by the template and cannot be seen, whether the vibrating rod interferes with the reinforcing mesh and other obstacles or not is invisible in the extending process. If there is interference, there are two risks (risk is large) in the tamper device insertion process: (1) the reinforcing mesh structural member is damaged, and the lining quality cannot be guaranteed; (2) the driving mechanism of the vibrating device or the template structure in the trolley is damaged due to the obstruction of the obstacles.
Therefore, the vibrating device which is simple in structure, capable of effectively avoiding the reinforcing mesh, good in vibrating effect and convenient to operate has important significance.
Disclosure of Invention
The invention aims to provide a concrete vibrating device which is simple in structure, can effectively avoid a reinforcing mesh, has a good vibrating effect and is convenient to operate, and the concrete technical scheme is as follows:
a concrete vibrating device comprises a vibrating device, a rotating assembly and a mounting rack support;
the device that vibrates is used for vibrating the concrete, and it sets up at the mounting bracket support through rotating assembly rotatable formula, adjusts the relative position of device and mounting bracket support that vibrates and realizes vibrating the different positions of concrete through rotating assembly.
Preferably, in the above technical solution, the rotating assembly includes a rotating support frame, a rotating power member and a turntable; the rotary support frame is rotatably arranged on the mounting frame support through the turntable, the vibrating device and the rotary power part are arranged on the rotary support frame, and the rotary support frame is driven to rotate through the rotary power part so as to drive the vibrating device to change positions.
Preferably, in the above technical scheme, the mounting bracket support is of an annular structure, a first step-shaped part is arranged on the inner wall of the mounting bracket support, and a second step-shaped part matched with the first step-shaped part is arranged on the periphery of the turntable;
the first step-shaped part and/or the second step-shaped part are/is provided with a groove for accommodating a sealing ring and lubricating oil;
the turntable is provided with a through hole, and the vibrating device can be inserted into the through hole.
Preferably, in the above technical solution, the center of the through hole and the center of the turntable are arranged in a staggered manner.
In the above technical solution, preferably, the turntable further includes a pressure plate, the pressure plate is disposed on the mounting bracket support, and the pressure plate and the mounting bracket support form an accommodating cavity for accommodating the turntable;
the pressing plate is detachably arranged on the mounting frame support.
Preferably, in the above technical solution, the rotary power element includes a rotary rod and a rod sleeve, the rod sleeve is disposed on the rotary support frame, and the rotary rod is connected with the rod sleeve;
or the rotary power part is a telescopic oil cylinder or a telescopic air cylinder or a motor assembly.
Preferably, in the above technical solution, the device further comprises a limiting member for limiting the turntable; the limiting pieces are independently arranged or the limiting pieces are arranged on the mounting rack support and/or the rotating support frame.
Preferably, in the above technical solution, the apparatus further comprises a detector for detecting whether a foreign object exists in the concrete, and the detector is disposed on the vibrating device.
Above technical scheme in preferred, the device that vibrates includes actuating mechanism and the stick that vibrates, the stick that vibrates is used for vibrating the concrete, actuating mechanism with the stick that vibrates is connected, and for the stick that vibrates carry out concertina movement and provide power (generally vibrate in the stick from the area vibration with the power supply). Preferably, the eccentric quantity between the through hole and the rotating disc is larger than the diameter of the vibrating rod and is smaller than 0.5 time of the interval between two adjacent reinforcing steel bars (L is larger than r and smaller than 0.5D, L is the diameter of the vibrating rod, r is the eccentric distance, and D is the interval between two adjacent reinforcing steel bars).
Preferably, in the above technical solution, a protective cover for protecting the vibrating device is arranged outside the driving mechanism.
The technical scheme of the invention has the following beneficial effects:
(1) the vibrating device for concrete comprises a vibrating device, a rotating assembly and a mounting rack support, wherein the vibrating device is used for vibrating concrete and is rotatably arranged on the mounting rack support through the rotating assembly. The effect is as follows: the structure is simplified; the rotating assembly drives the vibrating device to rotate, the relative position of the vibrating device and the mounting frame support is adjusted through the rotating assembly, vibration is carried out on different positions of concrete, a reinforcing mesh can be effectively avoided, the lining construction with the reinforcing mesh inside is suitable, efficient vibration can be carried out on the concrete, damage to a template or the vibrating device cannot be caused, and the vibrating effect is good and the operation is convenient.
(2) The rotating assembly has various structures, can rotate the vibrating device, and is convenient to control the vibrating device to avoid the reinforcing mesh; the optimized rotating assembly comprises a rotating support frame, a rotating power part and a turntable, and the design of the turntable is adopted, so that the requirements of stable and quick rotation can be met; the rotating speed and the rotating angle of the rotating disk are controlled by the rotating power part, so that the position of a vibrating device is accurately controlled, and high-quality vibration (good vibrating effect) is realized. The rotary power element can be an element (such as a combination of a rotary rod and a rod sleeve) convenient for manual operation, and can also be an element which adopts a telescopic oil cylinder or a telescopic air cylinder and other elements to realize semi-mechanical control.
(3) The mounting rack support is of an annular structure, a first step-shaped part is arranged on the inner wall of the mounting rack support, and a second step-shaped part matched with the first step-shaped part is arranged on the periphery of the turntable (the structures of the first step-shaped part and the second step-shaped part can be arranged according to actual conditions). The mounting frame support and the turntable are connected in a rotatable mode through the matching of the first step-shaped part and the second step-shaped part, the rotation stability of the turntable is good, and parts are easy to process. The first step-shaped part and/or the second step-shaped part are/is provided with a groove for containing lubricating oil, so that the lubricating between the mounting frame support and the turntable is ensured, and the rotating stability of the turntable is ensured.
(4) According to the invention, the through hole is formed in the turntable, the vibrating device can be inserted into the through hole, and the center of the through hole and the center of the turntable are arranged in a staggered manner (namely, the vibrating device and the turntable are arranged eccentrically), so that the vibrating device is driven to effectively avoid a reinforcing mesh when the turntable is rotated, and the concrete vibrating is further facilitated. Sealing rings are respectively arranged between the turntable and the mounting frame support and between the vibrating device and the turntable, so that the overall sealing performance of the trolley template is ensured, and slurry leakage is prevented.
(5) The turntable fixing device is also provided with a pressing plate, the pressing plate and the mounting rack support form a containing cavity for containing the turntable, and the pressing plate and the mounting rack support are combined for limiting the turntable, so that the turntable can be fixed well under the condition that the turntable can rotate. The pressing plate is detachably arranged on the mounting frame support, the mounting frame support can also be detachably arranged on the trolley template, and an assembly type structure is adopted, so that assembly and replacement of each part are facilitated.
(6) The invention also comprises a limiting piece for limiting the turntable, the position of the limiting piece can be selected according to actual requirements, the purpose that the turntable can be limited is met, particularly, after the turntable rotates in place, when a vibrating device vibrates, the turntable is fixedly limited, the vibrating device rotates (rotates at high speed) to damage people and equipment, and the construction safety performance is improved.
(7) The invention also comprises a detector for detecting whether foreign matters exist in the concrete, and whether the rotating vibrating device can avoid the reinforcing mesh can be quickly determined, so that the working efficiency is improved. If no foreign body detector (such as an infrared instrument and the like) exists, the vibrating device can only determine whether the reinforcing mesh is effectively avoided through the specific position which can be stretched into the concrete, and if the reinforcing mesh exists, the vibrating device continues to rotate to avoid; if no reinforcing mesh exists, vibrating is continued.
(8) The vibrating device can adopt the combination of a driving mechanism and a vibrating rod, the vibrating rod is used for vibrating concrete, and the driving mechanism is connected with the vibrating rod and provides power for the stretching of the vibrating rod. And a protective cover can be arranged on the outer side of the driving mechanism and used for protecting the vibrating device. The actuating mechanism can adopt structures such as lead screw slip table, rack and pinion, can drive the accurate flexible target in place of vibrating stick can, in addition, the vibrating stick is from taking or being equipped with the power supply that makes it carry out the vibration, if make it carry out the power supply of high-speed rotation (the rotational speed is decided according to actual demand), can refer to prior art. The protection casing can adopt structures such as the board of bending, folding protection casing, can select according to actual conditions. The preferred actuating mechanism and the vibrating rod are installed side by side, and the installation space is effectively saved.
The invention also discloses a trolley, which comprises a trolley portal, a trolley template and the vibrating device for concrete;
the trolley template is arranged on the trolley portal frame, an opening for concrete vibration is formed in the trolley template (the opening can also be an existing pouring window in the template), and the mounting frame support is arranged at the opening. The trolley can also be provided with a traveling mechanism, a transverse moving mechanism, a jacking mechanism and the like by referring to the existing lining trolley, so that lining construction is facilitated.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view (retracted state) of a concrete vibrating apparatus according to an embodiment of the present invention;
fig. 2 is a schematic view of the concrete vibrating apparatus of fig. 1 in a vibrating state (extended state);
fig. 3 is a schematic position diagram of the vibrating rod and the reinforcing mesh when interference occurs;
fig. 4 is a schematic position diagram of the vibrating rod and the reinforcing mesh when the vibrating rod and the reinforcing mesh do not interfere with each other;
the device comprises a vibrating device 1, a driving mechanism 1.1, a vibrating rod 1.2, a rotating assembly 2, a rotating support frame 2.1, a rotating power piece 2.2, a rotating rod 2.22, a rod sleeve 2.3, a turntable 3, an installation frame support 4, a pressing plate 5, a limiting piece 5.1, a connecting rod 5.2, an adjusting screw rod 6, a reinforcing mesh 7 and a trolley template.
Detailed Description
Embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
Example (b):
the utility model provides a concrete is with vibration device, see in detail fig. 1 and 2, includes vibrator 1, rotating assembly 2, mounting bracket support 3, clamp plate 4 and locating part 5, vibrator 1 is through rotating assembly 2 rotatable formula sets up mounting bracket support 3 realizes vibrating the different positions of concrete through rotating assembly 2 adjustment vibrator 1 and mounting bracket support 3's relative position, and the detailed structure is as follows:
the device that vibrates 1 is used for vibrating the concrete, and it includes actuating mechanism 1.1 and the excellent 1.2 that vibrates, the excellent 1.2 that vibrates is used for vibrating the concrete, actuating mechanism 1.1 with the excellent 1.2 that vibrates is connected, for vibrating excellent 1.2 and stretch out and draw back and provide power.
The rotating assembly 2 comprises a rotating support frame 2.1, a rotating power piece 2.2 and a turntable 2.3; the utility model discloses a vibration device, including mounting bracket support 3, rotatory support frame 2.1 is in through the rotatable formula setting of carousel 2.3 on the mounting bracket support 3, the device of vibrating 1 with rotatory power piece 2.2 all sets up on the rotatory support frame 2.1, drive the rotatory support frame 2.1 rotation and then drive the device of vibrating 1 transform position through rotatory power piece 2.2. Preferably, the mounting frame support 3 is of an annular structure, a first step-shaped part is arranged on the inner wall of the mounting frame support, and a second step-shaped part matched with the first step-shaped part is arranged on the periphery of the turntable 2.3; the first step-shaped part and/or the second step-shaped part are/is provided with a groove for accommodating a sealing ring and lubricating oil; the turntable 2.3 is provided with a through hole, and the vibrating device 1 can be inserted into the through hole. The center of through-hole with carousel 2.3's center staggers the setting, specifically is: the through-hole with the eccentricity between the carousel is greater than the diameter of the vibrating rod and is less than 0.5 times of two adjacent reinforcing bar intervals, and L is < r < 0.5D promptly, and L is the diameter of vibrating rod, and r is the eccentricity, and D is the interval of two adjacent reinforcing bars.
Preferably, the rotary power element 2.2 includes a rotary rod 2.21 and a rod sleeve 2.22, the rod sleeve 2.22 is disposed on the rotary support frame 2.1, and the rotary rod 2.21 is connected with the rod sleeve 2.22. In addition, the rotary power part can also adopt telescopic oil cylinder or telescopic cylinder, and the one end of preferred telescopic oil cylinder or telescopic cylinder is connected the rotation support frame, and the other end is fixed on mounting bracket support or other parts of platform truck, thereby can effective control the rotation support frame rotate realize the position control of vibrating rod can. And a motor component can be adopted to realize automatic control.
The pressing plate 4 is arranged on the mounting frame support 3, and the pressing plate 4 and the mounting frame support 3 form a containing cavity for containing the rotary table 2.3. Preferably, the pressing plate 4 is detachably arranged on the mounting frame support 3.
The limiting part 5 is used for limiting the turntable 2.3, as shown in fig. 1, the limiting part 5 includes a connecting rod 5.1, an adjusting screw 5.2 for relatively fixing the positions of the connecting rod 5.1 and the turntable, a connecting rod 5.1 and an adjusting screw 5.2; there are several arrangements, preferably, as shown in detail in fig. 1, where the connecting end of the connecting rod 5.1 is connected to the rotating support frame and the adjusting screw is connected to the trolley formwork 7 through the free end of the connecting rod.
In this embodiment, the apparatus further includes a detector (not shown) for detecting whether there is a foreign object in the concrete, and the detector is disposed on the vibrating device 1.
In the present embodiment, a protective cover (not shown) for protecting the vibrating implement 1 is provided outside the drive mechanism 1.1.
The adjacent detachable parts of the embodiment can be connected by bolts, so that daily maintenance and replacement of wearing parts are facilitated.
The concrete vibrating device of this embodiment is used, specifically is:
assembling the device: assembling the mounting bracket support 3 on a trolley template 7; the vibrating device 1 (which may include an assembly of a detector or a self-contained detector), the rotating assembly 2, the pressure plate 4 and the limiting member 5 are assembled.
Vibrating: an operator manually holds the rotating rod 2.21 to rotate, the rotating rod drives the rod sleeve and the rotating support frame 2.1 connected with the rod sleeve to rotate, and then the vibrating device 1 is driven to rotate to a proper position as shown in fig. 4 (when interference occurs as shown in fig. 3, the rotating rod is continuously rotated to a position where the vibrating rod in the vibrating device and the reinforcing mesh do not interfere with each other); the driving mechanism 1.1 acts to drive the vibrating rod 1.2 to extend into the concrete, and the vibrating rod vibrates at a high speed (the specific extending depth is determined according to actual requirements); when the next vibrating position is needed, the vibrating device 1 is rotated to a proper position by adopting the rotating operation to vibrate; and the concrete is vibrated in such a cycle.
In the embodiment, the stroke of the reciprocating motion of the vibrating rod can be controlled by stroke control or a sensor and the like (the function of the reciprocating motion can increase the effective depth of vibration excitation, and the problem of unsmooth concrete flow at the vault position is relieved to a great extent), and when the vibrating rod retracts, the end part of the vibrating rod, the end surface of the sealing ring and the panel of the trolley are ensured to be on the same plane by the stroke control and the like, so that slab staggering is prevented.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The concrete vibrating device is characterized by comprising a vibrating device (1), a rotating assembly (2) and a mounting rack support (3);
the utility model discloses a concrete vibrating device, including vibrating device (1), rotating assembly (2) and mounting bracket support (3), rotating assembly (2) is adjusted the relative position of vibrating device (1) and mounting bracket support (3) and is realized vibrating the different positions of concrete.
2. The concrete vibrating device according to claim 1, wherein said rotating assembly (2) comprises a rotating support frame (2.1), a rotating power member (2.2) and a turntable (2.3);
the rotary support frame (2.1) is rotatably arranged on the mounting frame support (3) through the rotary table (2.3), the vibrating device (1) and the rotary power part (2.2) are arranged on the rotary support frame (2.1), and the rotary support frame (2.1) is driven to rotate through the rotary power part (2.2) so as to drive the vibrating device (1) to change positions.
3. The concrete vibrating device according to claim 2, wherein the mounting bracket support (3) is of an annular structure, a first step-shaped part is arranged on the inner wall of the mounting bracket support, and a second step-shaped part matched with the first step-shaped part is arranged on the outer periphery of the rotary disc (2.3);
the first step-shaped part and/or the second step-shaped part are/is provided with a groove for accommodating a sealing ring and lubricating oil;
the rotary table (2.3) is provided with a through hole, and the vibrating device (1) can be inserted into the through hole.
4. A concrete vibrating device according to claim 3, characterised in that the centre of the through-hole is offset from the centre of the turntable (2.3).
5. The concrete vibrating device according to claim 2, further comprising a pressure plate (4), wherein the pressure plate (4) is arranged on the mounting bracket support (3), and the pressure plate (4) and the mounting bracket support (3) form a containing cavity for containing the turntable (2.3);
the pressing plate (4) is detachably arranged on the mounting frame support (3).
6. The concrete vibrating device according to claim 2, wherein the rotary power element (2.2) comprises a rotary rod (2.21) and a rod sleeve (2.22), the rod sleeve (2.22) is arranged on the rotary support frame (2.1), and the rotary rod (2.21) is connected with the rod sleeve (2.22);
or the rotary power part (2.2) is a telescopic oil cylinder or a telescopic air cylinder or a motor assembly.
7. A vibrating device for concrete according to any one of claims 2 to 6, further comprising a limit stop (5) for limiting said turntable (2.3);
the limiting pieces (5) are independently arranged or the limiting pieces (5) are arranged on the mounting rack support (3) and/or the rotating support frame (2.1).
8. A concrete vibrating apparatus according to claim 1, further comprising a detector for detecting the presence of foreign matter in the concrete, said detector being provided on said vibrating device (1).
9. A concrete vibrating apparatus according to claim 1, wherein the vibrating means (1) comprises a driving mechanism (1.1) and a vibrating rod (1.2), the vibrating rod (1.2) is used for vibrating the concrete, and the driving mechanism (1.1) is connected with the vibrating rod (1.2) to provide power for the telescopic movement of the vibrating rod (1.2);
and a protective cover for protecting the vibrating device (1) is arranged on the outer side of the driving mechanism (1.1).
10. A trolley, comprising a trolley portal, a trolley form and a concrete vibrating device as claimed in any one of claims 1 to 9;
the trolley template is arranged on the trolley portal frame, an opening for concrete vibration is formed in the trolley template, and the mounting frame support (3) is arranged at the opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010207117.2A CN111271091A (en) | 2020-03-23 | 2020-03-23 | Concrete is with device that vibrates and contain platform truck of this concrete device that vibrates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010207117.2A CN111271091A (en) | 2020-03-23 | 2020-03-23 | Concrete is with device that vibrates and contain platform truck of this concrete device that vibrates |
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| Publication Number | Publication Date |
|---|---|
| CN111271091A true CN111271091A (en) | 2020-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010207117.2A Pending CN111271091A (en) | 2020-03-23 | 2020-03-23 | Concrete is with device that vibrates and contain platform truck of this concrete device that vibrates |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111809625A (en) * | 2020-08-18 | 2020-10-23 | 山东建筑大学 | Gravity type anchor rod static pressure pile support and use method |
| CN113186928A (en) * | 2021-05-24 | 2021-07-30 | 合肥工业大学 | Mechanical intelligent vibration device of multidirectional regulation of tractive formula |
-
2020
- 2020-03-23 CN CN202010207117.2A patent/CN111271091A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111809625A (en) * | 2020-08-18 | 2020-10-23 | 山东建筑大学 | Gravity type anchor rod static pressure pile support and use method |
| CN113186928A (en) * | 2021-05-24 | 2021-07-30 | 合肥工业大学 | Mechanical intelligent vibration device of multidirectional regulation of tractive formula |
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