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CN-122008386-A - Automatic trowelling equipment for prefabrication of concrete tower tube sheets

CN122008386ACN 122008386 ACN122008386 ACN 122008386ACN-122008386-A

Abstract

The invention discloses automatic trowelling equipment for prefabricating concrete tower tube sheets, which relates to the technical field of automatic trowelling and aims at solving the technical problems of low efficiency and unstable quality in the prior art by manual trowelling, and the automatic trowelling equipment comprises a tower tube sheet die, wherein an inner diameter guide plate and an outer diameter guide plate are arranged at the top of the tower tube sheet die, an automatic trowelling mechanism is arranged between the inner diameter guide plate and the outer diameter guide plate in a sliding manner, the automatic trowelling mechanism comprises an execution assembly and a state adjusting assembly, the execution assembly comprises a plurality of fixed arc blocks, a plurality of rotary arc plates, trowelling heads and a plurality of fixed circular plates, the fixed arc blocks are arranged between the two fixed circular plates, the two fixed arc blocks are combined to form a semicircular cylinder structure, a sliding chamber and a plurality of rotary chambers are arranged on the inner side walls of the semicircular cylinder structure, and the rotary arc plates are rotationally arranged in the rotary chambers; the trowelling head is slidably disposed within the sliding chamber. The invention has the advantages that the concrete slurry is rolled and compacted and then automatically trowelled.

Inventors

  • YANG WENXIONG
  • ZHU WENJIE
  • ZHANG SHANHONG
  • WANG LIQIANG
  • WANG ZHIXIA

Assignees

  • 浙江巨杰混塔新能源科技有限公司

Dates

Publication Date
20260512
Application Date
20260204

Claims (10)

  1. 1. An automatic trowelling device for prefabrication of concrete tower tube sheets is characterized by comprising a tower tube sheet die (1), wherein a grouting notch (2) is arranged at the top of the tower tube sheet die (1), an inner diameter guide plate (3) and an outer diameter guide plate (4) are arranged at the top of the tower tube sheet die (1), a trowelling channel is formed between the inner diameter guide plate (3) and the outer diameter guide plate (4), and the grouting notch (2) is arranged in the trowelling channel; An automatic trowelling mechanism (5) is arranged between the inner diameter guide plate (3) and the outer diameter guide plate (4) in a sliding manner, and the automatic trowelling mechanism (5) comprises an execution assembly (6) and a state adjusting assembly (7); The execution assembly (6) comprises a plurality of fixed arc blocks (61), a plurality of rotary arc plates (62), a trowelling head (63) and a plurality of fixed circular plates (64), wherein the fixed arc blocks (61) are detachably arranged between the two fixed circular plates (64), the two fixed arc blocks (61) are combined to form a semi-cylinder structure, a sliding chamber (6101) and a plurality of rotary chambers (6102) are arranged on the inner side wall of the semi-cylinder structure, the rotary arc plates (62) are rotatably arranged in the rotary chambers (6102), and the trowelling head (63) is slidably arranged in the sliding chamber (6101); The two rotary arc plates (62) can be switched to a merging state or an unfolding state through synchronous rotary motion, in the merging state, the two rotary arc plates (62) and the semicircular cylinder structure are combined to form a closed roller structure, the roller structure can roll along the trowelling channel, concrete slurry poured at the grouting notch (2) is rolled and flattened, the concrete slurry is enabled to form a compact filling state, and in the unfolding state, the trowelling head (63) can extend out from between the two rotary arc plates (62) and is attached to the surface of the concrete slurry to perform trowelling operation.
  2. 2. An automatic screeding device for prefabrication of concrete tower tube sheets according to claim 1, characterized in that the inner diameter guide plate (3) is integrally formed with a first suspension zone guide plate (301) extending to the side of the tower tube sheet mould (1), the outer diameter guide plate (4) is integrally formed with a second suspension zone guide plate (401) extending to the side of the tower tube sheet mould (1), a state switching zone is formed between the first suspension zone guide plate (301) and the second suspension zone guide plate (401), and the state switching zone is used for providing a switching space for switching the two rotary arc plates (62) from the combined state to the unfolded state.
  3. 3. The automatic screeding device for prefabrication of concrete tower tube sheets according to claim 1, wherein a plurality of first sliding rails (302) and a first tooth opening (303) are arranged on the side wall of the inner diameter guide plate (3), a plurality of second sliding rails (402) are arranged on the side wall of the outer diameter guide plate (4), the automatic screeding mechanism (5) comprises a device frame (501), a plurality of first sliding grooves (502) are arranged on one side wall of the device frame (501), a plurality of second sliding grooves (503) are arranged on the other side wall of the device frame, the first sliding grooves (502) are in sliding fit with the first sliding rails (302), the second sliding grooves (503) are in sliding fit with the second sliding rails (402), a first motor (504) is arranged in an inner cavity of the device frame (501), a bevel gear one (505) is connected to the output end of the first motor (504), a bevel gear two (506) is connected coaxially, the bevel gear three (507) is rotatably arranged on the top of the device frame (501), and the bevel gear three (507) is connected to the first tooth opening (303).
  4. 4. An automatic screeding device for prefabrication of concrete tower tube sheets according to claim 3, characterized in that the inner side wall of the device frame (501) is also provided with a plurality of inclined plates (508), two of said inclined plates (508) being arranged in a symmetrical structure, said inclined plates (508) being adapted to screeding a protruding pile of concrete; The actuating assembly (6) is arranged between the two inclined plates (508), the actuating assembly (6) is rotatably arranged on the inner side wall of the equipment rack (501), and the state adjusting assembly (7) is arranged above the actuating assembly (6).
  5. 5. An automatic trowelling apparatus for prefabrication of concrete tower tube sheets according to claim 4, wherein one of said fixed circular plates (64) has a dome (65) mounted on its side wall, said dome (65) having a circumferential side wall provided with receptacles (6501); the side wall of the fixed circular plate (64) is connected with a fixed block (6401), the side wall of the fixed block (6401) is connected with a first rotating shaft (6402), and the first rotating shaft (6402) is rotationally connected with the inner side wall of the equipment rack (501); The fixed block (6401) is provided with a frame (6403) in a sliding sleeve mode, a second tooth opening (6404) is arranged on one side wall of the frame (6403), the same tooth opening structure is arranged on the other side wall of the frame, a second rotating shaft (6201) is connected to the side wall of the rotating arc plate (62), the rotating arc plate (62) is in rotating fit with the fixed circular plate (64) through the second rotating shaft (6201), the second rotating shaft (6201) penetrates through the side wall of the fixed circular plate (64) and is connected with a fourth gear (6202), and the second tooth opening (6404) is in meshed connection with the fourth gear (6202).
  6. 6. The automatic screeding device for prefabrication of concrete tower tube sheets according to claim 5, wherein the top of the fixed block (6401) is connected with a lock column (6405), a sliding hole (6406) is formed in the top of the frame (6403), and the lock column (6405) is movably inserted into the sliding hole (6406); The inner side wall of the sliding hole (6406) is provided with a plurality of locking grooves (6407), a plurality of guide posts (6408) are arranged in an inner cavity of the locking post (6405), two sliding blocks (6409) are arranged on the guide posts (6408) in a sliding mode, the two sliding blocks (6409) are symmetrically arranged, the two sliding blocks (6409) are connected through a plurality of first springs (6410), and the first springs (6410) are sleeved on the guide posts (6408); The sliding block (6409) is characterized in that an inclined surface block (6411) and an inserting block (6412) are integrally formed on the side wall of the sliding block (6409), the inclined surface block (6411) and the inserting block (6412) are movably penetrated to the outer side of the inner cavity of the lock column (6405), the inclined surface block (6411) is arranged above the frame (6403), and the inserting block (6412) and the lock groove (6407) can form an inserting state or a separating state.
  7. 7. The automatic screeding device for prefabrication of concrete tower tube sheets according to claim 1, wherein a plurality of sliding rails three (6103) are arranged on the inner side wall of the sliding chamber (6101), a plurality of sliding grooves three (6301) are formed on the side wall of the screeding head (63), and the screeding head (63) is in sliding fit with the sliding rails three (6103) through the sliding grooves three (6301); The utility model discloses a trowelling device, including fixed arc piece (61), slip cavity (6101) and slip cavity (6104), trowelling head (63) top is connected with a plurality of slide bars (6302), slide bar (6302) activity arrange in activity cavity (6104), slide bar (6302) top is connected with stopper (6303), slide bar (6302) circumference outer wall cover is equipped with spring two (6304), spring two (6304) arrange in stopper (6303) with between the bottom in activity cavity (6104), elasticity that spring two (6304) produced can drive trowelling head (63) keep in slip cavity (6101).
  8. 8. The automatic screeding device for prefabricating concrete tower tube sheets according to claim 7, wherein the bottom of the screeding head (63) is of a plane structure, the top of the screeding head is provided with a pressing down inclined plane (6305), a plurality of pressing rollers (6203) are rotatably arranged on the inner side wall of the rotating arc plate (62), and when the rotating arc plate (62) rotates, the screeding head (63) can be driven to move downwards against the elastic force of the second spring (6304) through the pressing rollers (6203) to roll on the pressing down inclined plane (6305).
  9. 9. The automatic screeding device for prefabrication of concrete tower tube sheets according to claim 6, wherein the state adjusting assembly (7) comprises a fixing frame (701) arranged on the side wall of the inner cavity of the device frame (501), a motor II (702) is arranged in the inner cavity of the fixing frame (701), and the output end of the motor II (702) is connected with a bevel gear VI (704) in a meshed manner through a bevel gear VI (703); A bevel gear seven (705) is rotatably arranged on the outer side wall of the fixing frame (701), the bevel gear six (704) is coaxially connected with the bevel gear seven (705), and the bevel gear seven (705) is also coaxially connected with a control gear (706); The outer side wall of the fixing frame (701) is also rotatably provided with a bevel gear eight (707) and a gear nine (708) which are coaxially connected, a gear ten (709) and a worm (710) which are coaxially connected, and a worm wheel (711) and a release gear (712) which are coaxially connected; the bevel gear seven (705) is in meshed connection with the bevel gear eight (707), the gear nine (708) is in meshed connection with the gear ten (709), and the worm (710) is in meshed connection with the worm wheel (711).
  10. 10. An automatic screeding device for prefabrication of concrete tower tube sheets according to claim 9, characterized in that the side wall of the fixed frame (701) is provided with a carriage (713), the carriage (713) is provided with a pressing tube (714) in a sliding way, the side wall of the pressing tube (714) is provided with a toothed plate (715), and the toothed plate (715) can be meshed with the release gear (712), or meshed with the control gear (706), or separated from both the release gear (712) and the control gear (706); The outer side wall of the fixing frame (701) is also connected with a supporting block (716), a pressing rod (717) is arranged above the pressing cylinder (714), the pressing rod (717) is slidably arranged in an inner cavity of the supporting block (716), a spring III (718) is sleeved on the circumferential outer wall of the pressing rod (717), the spring III (718) is arranged at the bottom of the supporting block (716), and the spring III (718) can generate downward pressure on the pressing rod (717), so that the pressing rod (717) can generate downward pushing force on the pressing cylinder (714); the bottom of the pressure cylinder (714) is provided with a column groove (719), the side wall of the pressure cylinder (714) is provided with a reset deflector rod (720), the aperture of the column groove (719) is consistent with the outer diameter of the lock column (6405), and the column groove (719) can be in plug-in fit with the lock column (6405).

Description

Automatic trowelling equipment for prefabrication of concrete tower tube sheets Technical Field The invention relates to the technical field of automatic trowelling, in particular to automatic trowelling equipment for prefabrication of concrete tower tube sheets. Background The concrete tower is usually constructed by adopting a prefabricated segment splicing process, namely, prefabricated standardized tower segments are prefabricated in a factory and transported to a construction site for assembly, and the process can effectively shorten the site construction period and improve the engineering quality stability. In the existing concrete tower tube sheet prefabrication process, after concrete slurry is poured into the inner cavity of a tower tube sheet die through a grouting slot, exposed concrete slurry is remained at the grouting slot, trowelling treatment is needed to ensure the end face of the tube sheet to be smooth, a manual trowelling mode is generally adopted in the industry at present, operators hold tools such as a trowel and a scraping bar to manually trowelle the concrete slurry at the grouting slot, however, the concrete tower tube sheet is large in size, the grouting slot is long in length, manual trowelling needs to be repeatedly operated along the slot and is limited by initial setting time of concrete, trowelling operation of single tube sheets is long in time consumption and difficult to adapt to the beat requirement of large-scale prefabrication production, manual operation is easy to be influenced by fatigue and operation proficiency, and the problems of low operation efficiency and poor trowelling quality stability are caused. In view of this, we propose an automatic trowelling device for prefabrication of concrete tower pipe sheets. Disclosure of Invention The invention aims to provide automatic trowelling equipment for prefabrication of concrete tower tube sheets, which is used for solving the technical problems of low efficiency and unstable quality in the prior art through manual trowelling. The automatic screeding device for prefabricating concrete tower tube sheets comprises a tower tube sheet die, wherein a grouting notch is arranged at the top of the tower tube sheet die, an inner diameter guide plate and an outer diameter guide plate are arranged at the top of the tower tube sheet die, a screeding channel is formed between the inner diameter guide plate and the outer diameter guide plate, the grouting notch is arranged in the screeding channel, an automatic screeding mechanism is arranged between the inner diameter guide plate and the outer diameter guide plate in a sliding mode and comprises an executing assembly and a state adjusting assembly, the executing assembly comprises a plurality of fixed arc blocks, a plurality of rotating arc plates, a screeding head and a plurality of fixed circular plates, the fixed arc blocks are detachably arranged between the two fixed circular plates, the two fixed arc blocks are combined to form a semicircular cylinder structure, a sliding cavity and a plurality of rotating cavities are arranged on the inner side walls of the semicircular cylinder structure, the rotating arc plates are rotatably arranged in the rotating cavity, and the screeding head is arranged in the sliding cavity. Preferably, the inner diameter guide plate is integrally formed with a first suspension area guide plate extending to the side of the bobbin sheet die, the outer diameter guide plate is integrally formed with a second suspension area guide plate extending to the side of the bobbin sheet die, and a state switching area is formed between the first suspension area guide plate and the second suspension area guide plate. The automatic trowelling mechanism comprises an equipment frame, wherein a plurality of first sliding grooves are arranged on one side wall of the equipment frame, a plurality of second sliding grooves are arranged on the other side wall of the equipment frame, the first sliding grooves are in sliding fit with the first sliding grooves, the second sliding grooves are in sliding fit with the second sliding grooves, a first motor is arranged in an inner cavity of the equipment frame, a first bevel gear is connected to an output end of the first motor, a second bevel gear is connected in a meshed mode, a third bevel gear is coaxially connected to the second bevel gear, the third bevel gear is rotatably arranged on the inner top of the equipment frame, and the third bevel gear is connected with the first bevel gear in a meshed mode. Preferably, a plurality of inclined plates are further arranged on the inner side wall of the equipment rack; the device comprises an execution assembly, a state adjusting assembly, a round cover, a first rotating shaft, a second rotating arc plate, a fourth rotating shaft, a frame, a second rotating shaft, a fourth rotating arc plate and a fourth rotating shaft, wherein the execution assembly is arranged between the two incl