CN220482023U - Prefabricated component upper surface vibration trowelling equipment - Google Patents

Abstract

The utility model discloses a prefabricated part upper surface vibration trowelling device, which comprises a movable rack and a vibration trowelling mechanism arranged on the movable rack, wherein the vibration trowelling mechanism comprises a strip trowelling plate, a first lifting assembly for adjusting the vertical height of the trowelling plate, and more than two vibration motors arranged on the trowelling plate; the trowelling plate comprises a bottom plate, a rigid connecting plate is arranged on the bottom plate along the length direction, the vibrating motor is installed on the rigid connecting plate, one end of the first lifting assembly is connected with the rigid connecting plate through a flexible connecting piece, and the other end of the first lifting assembly is connected with the movable frame. The rigidity of the trowelling plate is effectively improved through the rigid connecting plate, and the rigid connecting plate is also beneficial to the vibration of the conduction vibration motor, so that the vibration is uniformly conducted to all positions of the trowelling plate, and the reduction of the vibration trowelling effect caused by uneven vibration of all positions of the trowelling plate is avoided.

Description

Prefabricated component upper surface vibration trowelling equipment

Technical Field

The utility model relates to the technical field of prefabricated part production, in particular to a vibrating trowelling device for the upper surface of a prefabricated part.

Background

In the manufacturing process of the concrete precast pile, concrete raw materials are stirred through a stirrer and are sent into a feeding vehicle, the feeding vehicle feeds materials to a distributing vehicle, a movable frame distributes materials to pile modules formed by a plurality of pile modules, and trowelling assemblies on the movable frame, which correspond to the pile modules one by one, vibrate and trowelle the upper surfaces of the concrete precast piles in the pile modules.

The existing vibrating motor is directly placed on the trowelling plate to achieve the effect of vibrating trowelling during trowelling operation, but the trowelling plate directly bears the edge of the vibrating motor trowelling plate and is easy to deform, the trowelling plate is not fully contacted with concrete materials after being deformed, the trowelling effect is not fully affected, and meanwhile the problem of uneven vibration exists.

Disclosure of Invention

The utility model aims to provide a vibrating trowelling device for the upper surface of a prefabricated part, which aims to solve the problems of insufficient contact between a trowelling plate and a concrete material and uneven vibration.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the upper surface vibration trowelling equipment of the prefabricated part comprises a movable rack and a vibration trowelling mechanism arranged on the movable rack, wherein the vibration trowelling mechanism comprises a strip trowelling plate, a first lifting assembly for adjusting the vertical height of the trowelling plate, and more than two vibration motors arranged on the trowelling plate;

the trowelling plate comprises a bottom plate, a rigid connecting plate is arranged on the bottom plate along the length direction, the vibrating motor is installed on the rigid connecting plate, one end of the first lifting assembly is connected with the rigid connecting plate through a flexible connecting piece, and the other end of the first lifting assembly is connected with the movable frame.

Compared with the prior art, the utility model has the beneficial effects that: the upper surfaces of concrete in a plurality of pile dies can be screeded simultaneously to long banding screeding board, compare in the screeding subassembly with pile die one-to-one, long banding screeding board's weight is big, is difficult for producing great swing range in screeding in-process, is favorable to the steady operation of equipment to vibrating motor's quantity can be less than pile die quantity on the long banding screeding board, is favorable to reducing the manufacturing cost of equipment. The vibration motor is installed in the trowelling plate through the rigid connection plate, the rigidity of the trowelling plate is effectively improved through the rigid connection plate, the phenomenon that part of the upper surface of concrete cannot be trowelled due to warping of the trowelling plate is avoided, the rigid connection plate is beneficial to vibration of the vibration motor, vibration is uniformly conducted to all positions of the trowelling plate, and the reduction of the vibration trowelling effect caused by uneven vibration of all positions of the trowelling plate is avoided.

Preferably, a refining mechanism is further installed on the movable frame, the refining mechanism comprises a refining plate, a second lifting assembly used for adjusting the vertical height of the refining plate, and a second vibration assembly arranged on the refining plate, one end of the second lifting assembly is connected with the movable frame, and the other end of the second lifting assembly is connected with the refining plate;

the trowelling plate further comprises two striker plates which are respectively connected to two longitudinal sides of the bottom plate, and the striker plates incline upwards in an inclined direction away from the bottom plate.

Preferably, the first lifting assembly and/or the second lifting assembly comprises a power source, and the power source is mounted on the mobile frame;

the flexible connecting piece comprises a fixed seat arranged on the rigid connecting plate, and flexible pieces with two ends respectively connected with the output end of the power source and the fixed seat, wherein the flexible pieces are at least one of chains, telescopic cylinders, ropes and springs.

Preferably, the first lifting assembly and/or the second lifting assembly further comprises a guide piece positioned at one side of the power source, the guide piece comprises a sleeved guide sleeve and a guide pipe, the other end of the guide sleeve is connected with the movable frame, and the other end of the guide pipe is connected with a rigid connecting plate or a refining plate.

Preferably, the first lifting assembly and/or the second lifting assembly further comprises a lifting controller mounted on the guide member, the lifting controller comprises a first encoder mounted on the guide sleeve and provided with a gear, the guide sleeve is provided with a rack in meshed connection with the gear, and the first encoder is electrically connected with the power source.

Preferably, the guide sleeve is provided with a window, and the gear at least partially penetrates through the window to be in meshed connection with the rack.

Preferably, the trowelling plate is detachably or rotatably connected with a trowelling lengthening plate at least at one lateral side, and a fixed connecting hole for detachably connecting the trowelling plate and the rigid connecting plate is formed in the trowelling lengthening plate;

the trowelling extension plate comprises an extension bottom plate and an extension striker plate, and the inclination angle of the extension striker plate is the same as that of the striker plate.

Preferably, the refining plate is detachably or rotatably connected with a refining lengthening plate at least at one lateral side, and the refining lengthening plate is provided with a fixed connecting hole which is detachably connected with the refining plate.

Preferably, two lateral sides of the bottom of the mobile rack are provided with guide slide ways, and the mobile rack is provided with guide wheels matched with the guide slide ways and a rotary power source for driving the guide wheels to rotate;

the movable frame further comprises a second encoder which is arranged on the movable frame and provided with a counting ring, and the counting ring is abutted against the guide slideway.

Preferably, the movable rack is provided with an electric control cabinet, and the electric control cabinet is electrically connected with the movable rack, the vibration trowelling mechanism and the material homogenizing mechanism.

Drawings

FIG. 1 is a schematic perspective view of a device for vibrating and trowelling the upper surface of a prefabricated part;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a partial enlarged view at B in FIG. 1;

FIG. 4 is a schematic view of the structure of a screed;

FIG. 5 is a schematic view of a further construction of a screed plate;

FIG. 6 is a schematic view of another screed construction;

FIG. 7 is a schematic perspective view of a prefabricated part upper surface vibration trowelling device from another view angle;

FIG. 8 is an enlarged view of a portion of FIG. 7 at C;

fig. 9 is a partial enlarged view at D in fig. 7.

In the figure: 1. a troweling plate; 111. a rigid connection plate; 112. a bottom plate; 113. a striker plate; 12. trowelling the lengthening plate; 121. lengthening the bottom plate; 122. lengthening the baffle plate;

2. a moving frame;

31. a power source; 32. an output end; 33. a flexible member; 34. a fixing seat;

41. a guide sleeve; 42. a first encoder; 43. a gear; 44. a rack; 45. the base is connected; 46. a guide tube;

5. a vibration motor; 6. an electric control cabinet; 7. a refining plate; 71. a material homogenizing lengthening plate; 8. a guide slideway; 9. a rotary power source; 10. a counting ring; 11. and a guide wheel.

Detailed Description

In order to better understand the aspects of the present utility model, the present utility model will be described in further detail with reference to the accompanying drawings and detailed description.

In the present specification, the terms "upper, lower, inner, outer" and the like are established based on the positional relationship shown in the drawings, and the corresponding positional relationship may be changed according to the drawings, so that the terms are not to be construed as absolute limitation of the protection scope; moreover, relational terms such as "first" and "second", and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.

The vertical direction is the height direction of the pile mould, the transverse direction is the width direction of the pile mould, and the longitudinal direction is the length direction (the travelling direction of the trowelling device) of the pile mould.

Example 1

As shown in fig. 1, 2 and 4, the device for vibrating and trowelling the upper surface of the prefabricated part comprises a movable frame 2 and a vibrating trowelling mechanism arranged on the movable frame 2, wherein the vibrating trowelling mechanism comprises an elongated trowelling plate 1, a first lifting assembly for adjusting the vertical height of the trowelling plate 1 and more than two vibrating motors 5 arranged on the trowelling plate 1;

wherein, the trowelling board 1 includes bottom plate 112, and bottom plate 112 is provided with rigid connection board 111 along length direction, and vibrating motor 5 installs in rigid connection board 111, and first lifting assembly one end is connected in rigid connection board 111 through the flexonics spare, and the other end is connected and is removed frame 2.

Specifically, the movable frame 2 can reciprocate along the length direction of the pile mould, drives the vibration trowelling mechanism to vibrate and trowelle the whole upper surface of concrete in the pile mould, and the long-strip trowelling plate 1 can trowelle the upper surface of concrete in a plurality of pile moulds simultaneously, compares in the trowelling assembly corresponding to the pile mould one by one, and the weight of long-strip trowelling plate 1 is big, is difficult for producing great swing amplitude at trowelling in-process, is favorable to the steady operation of equipment to the quantity of vibrating motor 5 on the long-strip trowelling plate 1 can be less than pile mould quantity, is favorable to reducing the manufacturing cost of equipment. The vibration motor 5 is installed in the trowelling plate 1 through the rigid connection plate 111, the rigidity of the trowelling plate 1 is effectively improved through the rigid connection plate 111, the situation that the upper surface of part of concrete cannot be smoothed by vibration due to warping of the trowelling plate 1 is avoided, the rigid connection plate 11 is also beneficial to the vibration of the vibration motor 5, the vibration is uniformly conducted to all positions of the trowelling plate 1, and the reduction of the vibration trowelling effect caused by uneven vibration of all positions of the trowelling plate 1 is avoided. The first lifting component is used for adjusting the vertical height of the screeding plate 1, in the screeding process, the screeding plate 1 can be enabled to be in contact with the concrete upper surface in the pile die through the first lifting component to perform vibration screeding, after finishing screeding, the first lifting component can enable the screeding plate 1 to be higher than the concrete upper surface in the pile die, the concrete upper surface in the screeding pile die is prevented from being influenced by the backspacing or other actions of the screeding plate 1, and the height of the screeding plate 1 can be continuously adjusted in the vibration screeding process to adapt to the uneven upper surface of the variable-section special-shaped pile according to the uneven variable-section special-shaped pile. The first lifting assembly is connected with the trowelling plate 1 through the flexible connecting piece, the trowelling plate 1 can not influence the first lifting assembly in the process of vibrating trowelling, and the vibration of the trowelling plate 1 can not be transmitted to the movable frame 2 through the first lifting assembly, so that the stable operation of equipment is facilitated, and the fault rate is effectively reduced.

As shown in fig. 7 and 8, further, a leveling mechanism is further installed on the movable frame 2, the leveling mechanism includes a leveling plate 7, a second lifting component for adjusting the vertical height of the leveling plate 7, and a second vibration component disposed on the leveling plate 7, one end of the second lifting component is connected with the movable frame 2, the other end of the second lifting component is connected with the leveling plate 7, in the production process of precast piles, the pile mold is firstly distributed, preferably, the pile mold is sufficiently distributed as much as possible, and then is vibrated and compacted, and the concrete is required to be pushed by the leveling plate 7 to be uniformly distributed in the pile mold because the vibration and compaction process cannot push materials. In the working engineering, the refining plate 7 is pressed into the concrete under the action of the second lifting component and moves back and forth under the action of the movable frame 2, so that the concrete distribution on the upper surface of the pile mould tends to be uniform. The second vibration component is further arranged on the refining plate 7, so that the refining plate 7 can vibrate the concrete in the refining process, and the concrete tends to be compact and flat. When the irregular pile with the uneven surface and the variable cross section is produced, the refining plate 7 can push away the concrete on the fine die cavity through lifting, so that the upper surfaces of the fine die cavity and the coarse die cavity cannot protrude out of the bottom die, and the irregular pile with the uneven surface and the variable cross section can be formed. The trowel 1 further includes two striker plates 113 attached to the two longitudinal sides of the base plate 112, respectively, the striker plates 113 being inclined obliquely upward in a direction away from the base plate 112. In the process of vibration trowelling, the striker plate 113 can effectively block concrete materials from entering the bottom plate 112, and the service life of the bottom plate 112 is guaranteed.

As shown in fig. 1 and 2, further, the first lifting assembly and/or the second lifting assembly comprises a power source 31, the power source 31 is mounted on the moving frame 2, the power source 31 changes the vertical height of the trowel 1 or the refining plate 7 by controlling the extension and retraction of the output end 32 of the power source 31, the moving frame 2 drives the first lifting assembly and/or the second lifting assembly to move, and further drives the trowel 1 or the refining plate 7 to reciprocate along the length direction of the pile mold, and the trowel 1 or the refining plate 7 is driven to complete the vibration trowel or refining action by the reciprocating movement of the moving frame 2 and the height adjustment of the power source 31.

As shown in fig. 1 and 2, further, the flexible connection member includes a fixed seat 34 installed on the rigid connection plate 111, and a flexible member 33 with two ends respectively connected with the output end 32 of the power source 31 and the fixed seat 34, wherein the flexible member 33 is at least one of a chain, a telescopic tube, a rope and a spring, the flexible member 33 is tensioned in the rising process of the trowel 1 so as to transmit tensile force to drive the trowel 1 to move upwards, and in the vibration trowel process, the small-range floating generated by the vibration of the trowel 1 cannot be transmitted to the output end 32 of the power source 31 through the flexible member 33, so that the vibration cannot be transmitted to the mobile frame 2, the mobile frame 2 can run more stably in the vibration trowel process, and the possibility of failure of the first lifting assembly and the mobile frame 2 can be reduced.

As shown in fig. 1, further, the first lifting assembly and/or the second lifting assembly further comprises a guide piece positioned at one side of the power source 31, the guide piece comprises a sleeved guide sleeve 41 and a guide tube 46, the other end of the guide sleeve 41 is connected with the movable frame 2, the other end of the guide tube 46 is connected with the rigid connection plate 111 or the leveling plate 7, the guide tube 46 can slide along the guide sleeve 41, the guide tube 46 is connected with the rigid connection plate 111, when the leveling plate 1 or the leveling plate 7 is lifted, the guide sleeve 41 is used for limiting the movement direction of the guide tube 46, so that the movement direction of the leveling plate 1 or the leveling plate 7 is limited, the leveling plate 1 or the leveling plate 7 is prevented from being deviated due to the fact that the movement direction of the leveling plate 1 or the leveling plate 7 is not parallel to the vertical direction, and the transverse position of the leveling plate 1 or the leveling plate 7 is changed in the lifting process, and the upper surface of concrete in a part of a pile mould is prevented from being leveled or vibrated.

As shown in fig. 1 and 3, further, the first lifting assembly and/or the second lifting assembly further comprises a lifting controller installed on the guide piece, the lifting controller comprises a first encoder 42 installed on the guide sleeve 41 and provided with a gear 43, the guide sleeve 41 is provided with a rack 44 meshed with the gear 43, the first encoder 42 is electrically connected with the power source 31, the guide sleeve 41 drives the rack 44 to move vertically in the lifting process of the trowel 1 or the trowel 7 so as to drive the gear 43 to rotate, the first encoder 42 is used for recording the rotated angle of the gear 43, so as to judge the vertical height of the guide pipe 46, then the height of the trowel 1 or the trowel 7 is determined according to the vertical height of the guide pipe 46, the first encoder 42 converts a height signal of the trowel 1 or the trowel 7 into an electric signal, the electric signal is transmitted into the power source 31, and after the trowel 1 or the trowel 7 moves to the preset vertical height, the power source 31 stops outputting power, so that the trowel 1 or the trowel 7 is fixed to the preset vertical height, and the accurate vertical height of the trowel 1 or the trowel 7 is controlled through the steps.

As shown in fig. 1 and 3, further, the guide sleeve 41 is provided with a window, the gear 43 at least partially penetrates through the window to be in meshed connection with the rack 44, the gear 43 is meshed with the rack 44 by opening the window on the guide sleeve 41, interference of the outer wall of the guide sleeve 41 on the meshing of the gear 43 and the rack 44 is avoided, the gear 43 does not need to be arranged at the lower end of the guide sleeve 41, the settable length of the rack 44 is increased, and therefore the range of vertical movement of the trowel 1 or the refining plate 7 is enlarged.

As shown in fig. 5, further, the trowelling plate 1 is detachably connected with a trowelling lengthening plate 12 at least at one lateral side, and a fixed connection hole for detachably connecting the trowelling plate 1 and the rigid connection plate 111 is formed on the trowelling lengthening plate 12; the trowelling extension plate 12 comprises an extension bottom plate 121 and an extension baffle 122, the inclination angle of the extension baffle 122 is the same as that of the baffle 113, and the trowelling plate 1 can be detachably provided with one or more trowelling extension plates 12 on one lateral side or two lateral sides, so that the lateral length of the trowelling plate 1 is increased, the trowelling plate 1 can adapt to pile dies with different sizes, certain errors exist in the pile dies, and the errors can be adapted by connecting the trowelling extension plates 12. The trowelling extension plate 12 is preferably connected to the trowelling plate 1 through bolts, in particular, when the trowelling extension plate 12 is used for increasing the transverse length of the trowelling plate 1, the bolts are simultaneously screwed with the fixed connection holes on the trowelling plate 1 and the fixed connection holes on the trowelling extension plate 12; when the trowelling extension plate 12 is not required to increase the transverse length of the trowelling plate 1, the bolts are simultaneously screwed into the fixed connection holes on the rigid connection plate 111 and the fixed connection holes on the trowelling extension plate 12, or the bolts pass through the fixed connection holes to be connected with the nuts. The elongated dam 122 serves to prevent concrete material from entering the elongated floor 121.

As shown in fig. 7, further, the refining plate 7 is detachably connected with a refining extension plate 71 at least at one lateral side, and fixing connection holes for detachably connecting the refining plate 7 are provided on the refining extension plate 71. The refining plate 7 can be detachably provided with one or more refining lengthening plates 71 at one or two lateral sides, so that the lateral length of the refining plate 7 is increased, the refining plate 7 can adapt to pile dies with different sizes, certain errors exist in the pile dies, and the errors can be adapted by connecting the refining lengthening plates 71. The refining extension plate 71 is preferably connected to the refining plate 7 by bolts, in particular, when the refining extension plate 71 is used to increase the lateral length of the refining plate 7, the refining extension plate 71 is connected to one or both lateral sides of the refining plate 7 by bolts; when the refining extension plate 71 is not required to increase the lateral length of the refining plate 7, the refining extension plate 71 is connected to the vertically upper side of the refining plate 7 by bolts.

As shown in fig. 7 and 9, further, two lateral sides of the bottom of the mobile frame 2 are provided with guide slide ways 8, and the mobile frame 2 is provided with guide wheels 11 which are matched with the guide slide ways 8 and a rotary power source 9 which drives the guide wheels 11 to rotate; the movable frame 2 further comprises a second encoder which is arranged on the movable frame 2 and provided with a counting ring 10, the counting ring 10 is abutted against the guide slideway 8, the rotary power source 9 drives the guide wheel 11 to rotate, and then the movable frame 2 is driven to move on the guide slideway 8, so that the movable frame 2 can longitudinally reciprocate. In the process of longitudinally reciprocating the movable frame 2, the counting ring 10 is driven to rotate, the second encoder is used for measuring the rotation angle of the counting ring 10, the movement distance of the movable frame 2 is determined by calculating the rotation angle of the counting ring 10 of the second encoder, preferably, the second encoder is electrically connected with the rotary power source 9, and after the second encoder judges that the movable frame 2 reaches the preset position, the rotary power source 9 stops outputting power. The rotary power source 9 is one of an electric motor, a pneumatic motor and a hydraulic motor.

As shown in fig. 7, further, the movable frame 2 is provided with an electric control cabinet 6, and the electric control cabinet 6 is electrically connected with the movable frame 2, the vibration trowelling mechanism and the material homogenizing mechanism. The electric control cabinet 6 controls the processes of vibration trowelling and pushing through electric signals, and the automation degree of the equipment is enhanced.

Example two

In this embodiment, the same reference numerals are given to the same parts as those of the first embodiment, and the same description is omitted.

As shown in fig. 6, with respect to the first embodiment, the prefabricated part upper surface vibration trowelling device provided in this embodiment has such a different structural design: the trowelling plate 1 is rotatably connected with a trowelling lengthening plate 12 at least at one lateral side, and a fixed connection hole for detachably connecting the trowelling plate 1 and the rigid connection plate 111 is formed in the trowelling lengthening plate 12; trowelling extension plate 12 includes extension bottom plate 121 and extension striker plate 122, and extension striker plate 122 is the same angle of inclination as striker plate 113. The trowelling plate 1 can be rotatably provided with a trowelling extension plate 12 on one lateral side or two lateral sides, the transverse length of the trowelling plate 1 can be increased by rotating the trowelling extension plate 12, so that the trowelling plate 1 can adapt to pile dies with different sizes, certain errors exist in the pile dies, and the trowelling extension plate 12 can be rotated to adapt to the errors. Specifically, when the trowelling extension plate 12 is used to increase the lateral length of the trowelling plate 1, the trowelling extension plate 12 is rotated to the horizontal and fixed; when the trowelling extension plate 12 is not required to increase the lateral length of the trowelling plate 1, the trowelling extension plate 12 is turned to be vertical and fixed. The elongated dam 122 serves to prevent concrete material from entering the elongated floor 121.

The refining plate 7 is rotatably connected with a refining extension plate 71 at least at one lateral side, and the refining extension plate 71 is provided with a fixed connection hole for detachably connecting the refining plate 7. The function of the homogenizing extension plate 71 is the same as that of the trowelling extension plate 12, and the adding and retracting modes of the homogenizing extension plate 71 are also the same as those of the trowelling extension plate 12, so repeated redundant description of the function of the homogenizing extension plate 71 and the adding and retracting modes thereof is omitted here, and reference can be made to the description of the function of the trowelling extension plate 12 and the adding and retracting modes thereof.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

Claims (10)

1. The device for vibrating and trowelling the upper surface of the prefabricated part is characterized by comprising a movable rack (2) and a vibrating trowelling mechanism arranged on the movable rack (2), wherein the vibrating trowelling mechanism comprises a strip trowelling plate (1), a first lifting assembly for adjusting the vertical height of the trowelling plate (1) and more than two vibrating motors (5) arranged on the trowelling plate (1);

wherein, screed (1) include bottom plate (112), bottom plate (112) are provided with rigid connection board (111) along length direction, vibrating motor (5) install in rigid connection board (111), first lifting unit one end pass through flexible connection piece connect in rigid connection board (111), the other end is connected remove frame (2).

2. The prefabricated part upper surface vibration trowelling device according to claim 1, wherein a material homogenizing mechanism is further installed on the movable frame (2), the material homogenizing mechanism comprises a material homogenizing plate (7), a second lifting assembly used for adjusting the vertical height of the material homogenizing plate (7), and a second vibration assembly arranged on the material homogenizing plate (7), one end of the second lifting assembly is connected with the movable frame (2), and the other end of the second lifting assembly is connected with the material homogenizing plate (7);

the trowelling plate (1) further comprises two baffle plates (113) which are respectively connected to the two longitudinal sides of the bottom plate (112), and the baffle plates (113) incline upwards in a direction away from the bottom plate (112).

3. The prefabricated component upper surface vibration trowelling device according to claim 2, wherein said first lifting assembly and/or said second lifting assembly comprises a power source (31), said power source (31) being mounted to said mobile frame (2);

the flexible connecting piece comprises a fixed seat (34) arranged on the rigid connecting plate (111), and flexible pieces (33) with two ends respectively connected with an output end (32) of the power source (31) and the fixed seat (34), wherein the flexible pieces (33) are at least one of chains, telescopic cylinders, ropes and springs.

4. A prefabricated part upper surface vibration trowelling device according to claim 3, wherein the first lifting assembly and/or the second lifting assembly further comprises a guide piece positioned at one side of the power source (31), the guide piece comprises a sleeved guide sleeve (41) and a guide tube (46), the other end of the guide sleeve (41) is connected with the movable frame (2), and the other end of the guide tube (46) is connected with the rigid connecting plate (111) or the refining plate (7).

5. The prefabricated element upper surface vibration trowelling apparatus of claim 4, wherein said first and/or said second lifting assembly further comprises a lifting control mounted on said guide, said lifting control comprising a first encoder (42) mounted on said guide sleeve (41) and having a gear (43), said guide sleeve (41) being provided with a rack (44) in meshing connection with said gear (43), said first encoder (42) being electrically connected to said power source (31).

6. The device for vibratory screeding of a top surface of a prefabricated member according to claim 5, wherein said guiding sleeve (41) is provided with a window, said gear wheel (43) being at least partially connected in engagement with said rack (44) through said window.

7. The device for the vibration screeding of the upper surface of a prefabricated member according to claim 2, characterized in that said screeding plate (1) is detachably or rotatably connected to a screeding elongated plate (12) at least at one lateral side, and that said screeding elongated plate (12) is provided with a fixed connection hole for detachably connecting said screeding plate (1) and said rigid connection plate (111);

the trowelling extension plate (12) comprises an extension bottom plate (121) and an extension striker plate (122), and the inclination angle of the extension striker plate (122) is the same as that of the striker plate (113).

8. The device for vibration trowelling of the upper surface of a prefabricated element according to claim 2, wherein said refining plate (7) is detachably or rotatably connected to a refining extension plate (71) at least at one lateral side, and wherein said refining extension plate (71) is provided with fixing connection holes for detachably connecting said refining plate (7).

9. The device for vibrating and trowelling the upper surface of the prefabricated part according to claim 1, wherein guide slide ways (8) are arranged on two lateral sides of the bottom of the mobile frame (2), and the mobile frame (2) is provided with guide wheels (11) which are matched with the guide slide ways (8) and a rotary power source (9) which drives the guide wheels (11) to rotate;

the mobile frame (2) further comprises a second encoder which is arranged on the mobile frame (2) and provided with a counting ring (10), and the counting ring (10) is abutted against the guide slideway (8).

10. The prefabricated component upper surface vibration trowelling device according to claim 9, wherein said mobile frame (2) is provided with an electric control cabinet (6), said electric control cabinet (6) being electrically connected to said mobile frame (2), vibration trowelling mechanism and leveling mechanism.