Cement trowelling device for municipal road construction
By designing a smoothing structure that is narrow on the inside and wide on the outside and adding a vibration function to the cement smoothing device, the problem of inconsistent smoothing speeds between the inner and outer rings of the rotary smoothing machine was solved, thus improving smoothing efficiency and reducing costs.
Patent Information
- Application Number
- CN202422347464.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-25
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-09-25
AI Technical Summary
The inner and outer rings of a traditional rotary trowel have different smoothing speeds, resulting in the outer ring not being completed while the inner ring is being smoothed, which affects construction efficiency.
Design a smoothing device with a narrow inner and wide outer smoothing structure and equipped with a vibration function. Improve smoothing efficiency through the drive structure and vibration structure, and achieve uniform smoothing through the electronic control structure.
It achieves consistency in smoothing efficiency between the inner and outer rings, improves smoothing effect and efficiency, and reduces equipment production costs.
Smart Images
Figure CN223633755U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of cement smoothing, in particular to a cement smoothing device for municipal road construction. BACKGROUND
[0002] The municipal road, also known as the urban road, is a road connecting various regions of a city, used for urban traffic and pedestrian use, and is convenient for residents' life, work and cultural and recreational activities, and is connected with roads outside the city to bear the traffic with the outside world. The cement road needs to go through the process of "smoothing" during construction, and a rotary smoothing machine is usually used.
[0003] However, the traditional rotary smoothing machine has different smoothing rates of the inner and outer circles of the ground due to the small inner circle line speed and the large inner circle line speed of the smoothing knife, so that the outer circle has not been smoothed when the inner circle is completed. In view of the related technology in the above, the applicant proposes a smoothing device for enhancing the smoothing effect of the outer circle of the smoothing blade. CONTENT OF THE UTILITY MODEL
[0004] In order to make the smoothing efficiency of the inner and outer circles of the smoothing knife consistent, the application provides a cement smoothing device for municipal road construction.
[0005] The cement smoothing device for municipal road construction provided by the application adopts the following technical scheme:
[0006] A cement smoothing device for municipal road construction comprises a hand-held rod and a protective cover fixed to the lower end of the hand-held rod, characterized in that: a smoothing structure is arranged in the protective cover and accommodated in the protective cover, the smoothing structure abuts against the ground and revolves around the hand-held rod, and the smoothing structure widens from the inside to the outside; a driving structure is arranged on the smoothing structure to drive the smoothing structure to rotate, and a vibration structure is arranged on the driving structure; an electric control structure is arranged on the hand-held rod and rotationally connected with the protective cover corresponding to the driving structure; and a balancing structure is arranged on the bottom end of the hand-held rod relative to one side of the smoothing structure.
[0007] By adopting the above technical scheme, the smoothing structure is narrow inside and wide outside, so that the uniformity of the inside and outside is consistent, and the vibration function of the smoothing structure is increased, so that the smoothing effect is better, the smoothing efficiency is improved, the existing device is improved in structure, and the production cost of the equipment is reduced.
[0008] Preferably, the smoothing structure comprises a primary smoothing plate and a main smoothing plate, a rotary shaft column is rotationally connected to the lower end of the hand-held rod, the primary smoothing plate is fixed to the rotary shaft column and arranged obliquely to the ground, the main smoothing plate is fixed to the rotary shaft column and located on the obliquely downward side of the primary smoothing plate, the main smoothing plate gradually widens from the side close to the rotary shaft column to the side away from the rotary shaft column, and a skirt is arranged on the edge of the main smoothing plate and upwardly curved.
[0009] By adopting the technical scheme, the ground is leveled by the leveling plate, and the ground smoothness is adjusted by the main leveling plate, the division of work is more explicit, and the effect is more obvious, so that the efficiency of leveling is increased.
[0010] Preferably, the driving structure comprises a driving motor, a driving bevel gear and a driven bevel gear, the driving motor is fixed to the main leveling plate, the driving bevel gear is coaxially fixed to the output shaft of the driving motor and is arranged close to the rotating shaft column, and the driven bevel gear is sleeved on the handheld rod and is meshingly connected to the driving bevel gear.
[0011] Preferably, the vibration structure comprises an eccentric wheel and a transmission plate, the eccentric wheel is sleeved on the output shaft of the driving motor, and the transmission plate is fixed between the driving motor and the main leveling plate and extends along the long end of the main leveling plate.
[0012] Preferably, the balance structure is a balance wheel, the balance wheel is rotationally connected to the rotating shaft column, and the balance wheel is arranged on the opposite side of the center line of the primary leveling plate and the main leveling plate.
[0013] Preferably, the electric control structure comprises an electric control switch, motor contacts and contact sliding rails, the electric control switch is fixed to the handheld rod, the motor contacts are respectively electrically connected to the two ends of the driving motor, the contact sliding rails are annularly and spacedly arranged and respectively abut against the corresponding motor contacts, and the electric control switch is electrically connected to the corresponding contact sliding rails.
[0014] To sum up, the present application has at least one of the following beneficial technical effects:
[0015] The leveling structure is narrow inside and wide outside, the uniformity inside and outside is consistent, the vibration function of the leveling structure is increased, the leveling effect is better, the leveling efficiency is improved, the existing device is improved in structure, and the production cost of equipment is reduced.
[0016] The ground is leveled by the leveling plate, and the ground smoothness is adjusted by the main leveling plate, the division of work is more explicit, and the effect is more obvious, so that the efficiency of leveling is increased. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is a structural schematic diagram of an embodiment of the present application;
[0018] Figure 2 is a schematic diagram of the internal structure of a hidden protective cover according to an embodiment of the present application.
[0019] Marked for explanation: 1, handheld rod; 2, protective cover; 3, leveling structure; 31, primary leveling plate; 32, main leveling plate; 4, driving structure; 41, driving motor; 42, driving bevel gear; 43, driven bevel gear; 5, balance structure; 51, balance wheel; 6, skirt; 7, rotating shaft column; 8, vibration structure; 81, eccentric wheel; 82, transmission plate; 9, electric control structure; 91, electric control switch; 92, motor contact; 93, contact sliding rail. DETAILED DESCRIPTION
[0020] The application will be further described in detail below with reference to the accompanying drawings.
[0021] The embodiment of the application discloses a cement smoothing device for municipal road construction, which refers to Figure 1 、 2 , comprising a hand-held rod 1 and a protective cover 2 fixed to the lower end of the hand-held rod 1, and a smoothing structure 3 is arranged in the protective cover 2.
[0022] Referring to Figure 1 、 2 , the lower end of the hand-held rod 1 is rotationally connected with a rotating shaft column 7, the smoothing structure 3 comprises a primary smoothing plate 31 and a main smoothing plate 32, the primary smoothing plate 31 is fixed to the rotating shaft column 7 and is arranged to be inclined to the ground, and the main smoothing plate 32 is fixed to the rotating shaft column 7 and is located on the side, inclined downward, of the primary smoothing plate 31, and the main smoothing plate 32 gradually widens from the side close to the rotating shaft column 7 to the side away from the rotating shaft column 7, and the edge of the main smoothing plate 32 is provided with an upwardly raised skirt 6.
[0023] Referring to Figure 1 、 2 , the rotating shaft column 7 is driven to rotate through a driving structure 4, the driving structure 4 comprises a driving motor 41, a driving bevel gear 42 and a driven bevel gear 43, the driving motor 41 is fixed to the main smoothing plate 32, the driving bevel gear 42 is coaxially fixed to the output shaft of the driving motor 41 and is arranged close to the rotating shaft column 7, and the driven bevel gear 43 is sleeved on the hand-held rod 1 and is in meshing connection with the driving bevel gear 42.
[0024] Referring to Figure 1 、 2 , a balancing structure 5 is arranged on the rotating shaft column 7, the balancing structure 5 is a balancing wheel 51, the balancing wheel 51 is rotationally connected with the rotating shaft column 7, and the balancing wheel 51 is arranged on the opposite side of the center line of the primary smoothing plate 31 and the main smoothing plate 32.
[0025] Referring to Figure 1 、 2 , the driving motor 41 is controlled through an electric control structure 9, the electric control structure 9 comprises an electric control switch 91, motor contacts 92 and contact sliding rails 93, the electric control switch 91 is fixed to the hand-held rod 1, the motor contacts 92 are respectively electrically connected to the two ends of the driving motor 41, and the contact sliding rails 93 are annularly and spacedly arranged and respectively abut against the corresponding motor contacts 92, the electric control switch 91 is electrically connected to the corresponding contact sliding rails 93, so as to be electrically connected to the rotating driving motor 41.
[0026] Referring to Figure 1 、 2The driving motor 41 is provided with a vibration structure 8, which comprises an eccentric wheel 81 and a transmission plate 82. The eccentric wheel 81 is sleeved on the output shaft of the driving motor 41. The transmission plate 82 is fixed between the driving motor 41 and the main smoothing plate 32, and extends along the long end of the main smoothing plate 32, so that the vibration is uniformly transmitted.
[0027] The working process of the application is as follows: the electric control switch 91 is connected, the driving motor 41 rotates, and drives the rotating shaft column 7 to rotate through the meshing of the driven bevel gear 43. The primary smoothing plate 31 first scrapes the ground, at the same time, the eccentric wheel 81 is driven by the driving motor 41 to vibrate, and the main smoothing plate 32 is used to remove bubbles and perform secondary smoothing. During the rotation of the main smoothing plate 32, the center of gravity of the equipment is offset, and the balance wheel 51 can provide balance for the main smoothing plate 32 and small rolling resistance.
[0028] The above are preferred embodiments of the application, and are not intended to limit the protection scope of the application. Therefore, equivalent changes made on the basis of the structure, shape and principle of the application should be covered within the protection scope of the application.
Claims
1. A cement screeding device for municipal road construction comprising a hand-held pole (1) and a protective shield (2) fixed to the lower end of the hand-held pole (1), characterized in that: The protective cover (2) is provided with a troweling structure (3) accommodated in the protective cover (2), the troweling structure (3) abuts against the ground and revolves around the hand-held rod (1), and the troweling structure (3) widens from inside to outside; the troweling structure (3) is provided with a driving structure (4) for driving the troweling structure to rotate, the driving structure (4) is provided with a vibration structure (8); the hand-held rod (1) is provided with an electric control structure (9) corresponding to the driving structure (4) and rotationally connected with the protective cover (2); the bottom end of the hand-held rod (1) is provided with a balance structure (5) on the side opposite to the troweling structure (3).
2. A cement screeding device for municipal road construction as claimed in claim 1, wherein: The troweling structure (3) comprises a primary troweling plate (31) and a main troweling plate (32), the lower end of the hand-held rod (1) is rotationally connected with a rotating shaft column (7), the primary troweling plate (31) is fixed to the rotating shaft column (7) and is arranged obliquely to the ground; the main troweling plate (32) is fixed to the rotating shaft column (7) and is located on the side obliquely downward of the primary troweling plate (31), and the main troweling plate (32) gradually widens from the side close to the rotating shaft column (7) to the side away from the rotating shaft column (7), and the edge of the main troweling plate (32) is provided with an upwardly raised skirt (6).
3. A cement screeding device for municipal road construction as claimed in claim 2, wherein: The driving structure (4) comprises a driving motor (41), a driving bevel gear (42) and a driven bevel gear (43), the driving motor (41) is fixed to the main troweling plate (32); the driving bevel gear (42) is coaxially fixed to the output shaft of the driving motor (41) and is arranged close to the rotating shaft column (7); the driven bevel gear (43) is sleeved on the hand-held rod (1) and is meshingly connected to the driving bevel gear (42).
4. A cement screeding device for municipal road construction as claimed in claim 3, wherein: The vibration structure (8) comprises an eccentric wheel (81) and a conduction plate (82), the eccentric wheel (81) is sleeved on the output shaft of the driving motor (41); the conduction plate (82) is fixed between the driving motor (41) and the main troweling plate (32), and the conduction plate (82) extends along the long end of the main troweling plate (32).
5. A cement screeding device for municipal road construction as claimed in claim 2, wherein: The balance structure (5) is a balance wheel (51), the balance wheel (51) is rotationally connected to the rotating shaft column (7), and the balance wheel (51) is arranged on the side opposite to the middle line of the primary troweling plate (31) and the main troweling plate (32).
6. A cement screeding device for municipal road construction as claimed in claim 3, wherein: The electric control structure (9) comprises an electric control switch (91), motor contacts (92) and contact sliding rails (93), the electric control switch (91) is fixed to the hand-held rod (1); the motor contacts (92) are respectively electrically connected to the two ends of the driving motor (41); the contact sliding rails (93) are annularly and spacedly arranged and respectively abut against the corresponding motor contacts (92), and the electric control switch (91) is electrically connected to the corresponding contact sliding rails (93).