CN211596294U - Cement floor road surface trowelling and smoothing machine - Google Patents

Cement floor road surface trowelling and smoothing machine Download PDF

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Publication number
CN211596294U
CN211596294U CN201922237803.XU CN201922237803U CN211596294U CN 211596294 U CN211596294 U CN 211596294U CN 201922237803 U CN201922237803 U CN 201922237803U CN 211596294 U CN211596294 U CN 211596294U
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circumferential stopping
piece
circumferential
swing arm
stopping piece
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孙小飞
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Abstract

The utility model relates to a construction equipment technical field, concretely relates to cement ground road surface trowelling and smoothing machine. The cement ground surface road surface trowelling and smoothing machine includes: the frame is provided with a handrail and a power unit; the mounting seat is circumferentially and uniformly distributed with at least two wiping sheets at intervals, and the inner end of the rotating shaft of each wiping sheet is provided with a crank arm; the driving disk is assembled on the mounting seat or the output shaft in a threaded manner, and a circumferential stopping part is arranged on the periphery of the driving disk; the circumferential stopping piece can be matched with the circumferential stopping part in a circumferential stopping way; the elastic resetting piece drives the circumferential stopping piece to reversely move; the swing arm is hinged on the rack, and the circumferential stopping piece is fixed at one swinging end of the swing arm; or the circumferential stopping piece moves along the radial direction of the mounting seat and is assembled on the rack; the operating handle is movably arranged on the handrail and is connected with the swing arm through a connecting rod or a pull wire, and the operating handle can drive the swing arm to swing through the connecting rod or the pull wire so as to drive the circumferential stopping piece to move.

Description

Cement floor road surface trowelling and smoothing machine
Technical Field
The utility model relates to a construction equipment technical field, concretely relates to cement ground road surface trowelling and smoothing machine.
Background
When the concrete road surface, the terrace, the airport, the floor and the plate-shaped prefabricated member are constructed, the construction surface is required to be trowelled and smoothed so as to improve the compactness and the wear resistance of the concrete surface.
Chinese utility model patent that the bulletin number of granting is CN201546156U discloses a cement terrace trowelling machine, and it includes frame, handrail, power unit and impeller, is radial rotation on the impeller and is equipped with more than three smear piece, and there is the adjustment turning arm inner of smear piece pivot, and top-down cover is equipped with on power unit's the output shaft pulls rim plate and connecting disc, pulls the rim plate and links to each other with the connecting disc, and the connecting disc passes through the bolt and links to each other with the adjustment turning arm. The cement terrace trowelling machine also comprises a lifting device for driving the traction wheel disc to lift, the lifting device comprises a lever hinged on the frame, one end of the lever is connected with the traction wheel disc, the other end of the lever is connected with the screw rod, and the lever is further connected with an adjusting hand wheel of the handrail. The traction wheel disc and the connecting wheel disc can be driven to ascend by rotating the adjusting hand wheel, and the inclination angle of the smearing piece is changed.
However, the structure of the cement floor trowelling machine in the prior art is complex, and a trowelling machine exists at present, and the structure of the trowelling machine is shown in fig. 1 and 2, and the trowelling machine comprises a frame 1, a handrail 4 is arranged on the frame 1, and a power unit is further mounted on the frame 1. The power unit comprises a motor 2 and a speed reducer 3 connected with the motor 2, the speed reducer 3 is provided with an output shaft, and a mounting seat 5 is fixed on the output shaft of the speed reducer 3. Wherein, the whole suit of mount pad 5 is on the output shaft of reduction gear 3 and realizes the assembly of splining through the key. The mounting seat 5 is provided with four mounting sleeves which are uniformly distributed at intervals in the circumferential direction, the mounting sleeves extend along the radial direction of the mounting seat 5, a smear rotating shaft 8 is rotatably arranged in each mounting sleeve in a penetrating mode, a smear 6 is arranged on each smear rotating shaft 8 through a screw 7, and a crank arm 9 is fixed at the radial inner end of each smear rotating shaft 8. Have arranged driving-disc 10 and pressure disk 12 from top to bottom in proper order on mount pad 5, the pressure disk is located inside mount pad 5, the movably assembly of pressure disk 12, driving-disc 10 screw assembly, there is ejector pin 11 between driving-disc 10 and the pressure disk 12, when driving-disc 10 rotates downwards, can roof pressure ejector pin 11, pressure disk 12 and turning arm 9 in proper order, make smear pivot 8 and smear 6 take place to rotate, adjust the inclination of smear 6.
The driving disc 10 has slots on its outer periphery, and in order to drive the driving disc 10, a mounting bracket is disposed outside the driving disc 10, and the mounting bracket may be fixed on the mounting base 5 or the housing of the speed reducer 3. The bolt 13 is mounted on the mounting bracket for guided movement, and the bolt 13 can be inserted into the slot to rotate the drive plate 10. In order to separate the pin 13 from the socket when not subjected to external forces, a spring 14 is provided on the mounting bracket to urge the pin 13 away from the socket. A swing arm 16 is hinged on the mounting bracket through a hinge shaft 15, one end of the swing arm 16 is connected with the bolt 13, and the bolt 13 can be inserted into the slot after the swing arm 16 is swung, and the driving disc 10 is driven to rotate.
Can drive driving-disc 10 through operation swing arm 16 among the prior art and rotate to the inclination of adjustment smear piece 6, but find some drawbacks when in actual use, there is guard shield 17 in the outside of reduction gear 3, and swing arm 16 is located guard shield 17, and this has just led to operating personnel to need stretch the hand to the operation in guard shield 17, and it is comparatively inconvenient to operate.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cement ground road surface floating trowelling machine to inconvenient technical problem operates when adjusting the smear angle among the solution prior art.
In order to achieve the above object, the utility model discloses cement ground road surface floating trowelling machine's technical scheme is: a cement floor surfacing trowelling machine comprising:
the frame is provided with a handrail and a power unit;
the mounting seat is arranged on an output shaft of the power unit, at least two smearing pieces are uniformly distributed at intervals in the circumferential direction, the smearing pieces are arranged on the mounting seat in an adjustable manner through a radially extending smearing piece rotating shaft, the inclination angle of the smearing piece rotating shaft is adjustable, and a crank arm is arranged at the inner end of the smearing piece rotating shaft;
the driving disc is assembled on the mounting seat or the output shaft in a threaded manner, each crank arm can be pressed downwards by the driving disc to change the inclination angle of the wiper, and a circumferential stopping part is arranged on the periphery of the driving disc;
the circumferential stopping piece can move to the driving disc along the radial direction of the mounting seat and is in circumferential stopping fit with the circumferential stopping part;
the elastic resetting piece is used for driving the circumferential stopping piece to reversely move so as to separate the circumferential stopping piece from the circumferential stopping part;
the cement ground surface road surface trowelling and smoothing machine still includes:
the swing arm is directly or indirectly hinged on the rack, and the circumferential stopping piece is fixed at one swinging end of the swing arm so as to enable the circumferential stopping piece to swing to the driving disc; or the circumferential stopping piece moves along the radial direction of the mounting seat and is assembled on the rack, and the swing arm can push the circumferential stopping piece to move to the driving disc;
the operating handle is movably arranged on the handrail and is connected with the swing arm through a connecting rod or a pull wire, and the operating handle can drive the swing arm to swing through the connecting rod or the pull wire so as to drive the circumferential stopping piece to move inwards in the radial direction.
The utility model has the advantages that: when the circumferential stopping device is used, the operating handle drives the swing arm to swing through the connecting rod or the pull wire, so that the swing arm can drive the circumferential stopping piece to move to the circumferential stopping part to be in circumferential stopping fit with the circumferential stopping part. And the existence of elasticity piece that resets can guarantee that when cement ground road surface floating trowelling machine normally used, separation between circumference stop piece and the circumference stop piece portion prevents to change the inclination of smear piece when cement ground road surface floating trowelling machine normally uses. The operating handle is positioned at the armrest, and the operation is simple and convenient.
Further, the cement ground pavement trowelling and trowelling machine comprises a mounting bracket, wherein the mounting bracket is fixed on a shell of the speed reducer or a rack, or is rotatably mounted on a mounting seat or an output shaft and is positioned above the driving disc;
the swing arm is of a lever structure with the middle hinged on the mounting bracket;
the operating handle is hinged to the armrest, the swinging end of the operating handle is connected with one end of the swinging arm through the pull wire, and the other end of the swinging arm is used for driving the circumferential stopping piece to move;
the elastic reset piece is matched with the circumferential stopping piece or the swing arm so as to separate the circumferential stopping piece from the circumferential stopping part. The swing arm is of a lever structure, and when the device is operated, the circumferential stopping piece can be driven to move or swing only by pulling the pull wire, so that the device is more convenient to operate.
Furthermore, one end of the operating handle is hinged to the armrest, the pull wire is connected to the middle of the operating handle, and the other end of the operating handle forms a holding portion for an operator to hold and operate. The middle position of the operating handle is connected with the pull wire, so that a holding part is formed at one end of the operating handle, and an operator can conveniently hold the operating handle.
Furthermore, the circumferential stopping piece can penetrate through the mounting bracket in a reciprocating manner along the radial direction of the mounting seat, and the elastic resetting piece is matched with the circumferential stopping piece. The circumferential stopping piece penetrates through the vertical plate to realize reciprocating movement, the swing arm only plays a role in pushing at the moment, the circumferential stopping piece moves to the driving disc, and the moving track is more accurate.
Furthermore, the mounting bracket is provided with an inner side facing the mounting seat, the circumferential stopping piece radially penetrates through the mounting bracket, the circumferential stopping piece is provided with a step abutting against the inner side of the mounting bracket, and the elastic resetting piece exerts an outward elastic force on the plug pin so as to enable the step to be abutted against and matched with the inner side of the mounting bracket.
Further, the swing arm and/or the operating handle are bar-shaped blocks. The swing arm and/or the operating handle are bar-shaped blocks, so that the operation is convenient.
Furthermore, at least two slots are circumferentially arranged at intervals on the periphery of the driving disc, the slot walls of the slots form the circumferential stopping part, and the circumferential stopping part is a plug pin capable of being inserted into the slots.
Drawings
FIG. 1 is a schematic view of a prior art cement floor surface troweling machine;
FIG. 2 is a cross-sectional view of a prior art cement flooring surface trowelling machine;
FIG. 3 is a schematic view of an embodiment of the cement flooring surface troweling and troweling machine of the present invention;
FIG. 4 is a schematic view of an installation seat in an embodiment of the cement floor pavement troweling and troweling machine of the present invention;
FIG. 5 is a schematic view of a troweling rotary shaft in an embodiment of the cement floor pavement troweling and troweling machine of the present invention;
FIG. 6 is an enlarged view of FIG. 3 at the latch;
description of reference numerals: 1-a frame; 2, a motor; 3-a reducer; 4-a handrail; 5-mounting a base; 6-smearing piece; 7-a screw; 8-a rotating shaft of the smear; 9-crank arm; 10-a drive disc; 11-a top rod; 12-a platen; 13-a bolt; 14-a spring; 15-a hinge shaft; 16-a swing arm; 17-a shield; 18-a frame; 19-a handrail; 20-a power unit; 21-a mounting seat; 211-a nipple portion; 212-mounting the sleeve; 213-punching the ejector rod; 214-pin mounting holes; 22-smearing piece; 23-a wiper rotating shaft; 231-hexagonal shaft section; 232-round shaft section; 233-square boss; 234-anti-drop ring groove; 24-a reducer; 25-a platen; 26-a drive disc; 27-a mandril; 28-slot; 29-mounting a bracket; 30-a bolt; 301-large diameter section; 302-small diameter section; 303-outward turning edge; 31-a pressure spring; 32-ear plate; 33-a first bar; 34-a shield; 35-a second bar block; 36-pulling the wire; 37-a motor; 38-crank arm.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The features and properties of the present invention are described in further detail below with reference to examples.
The utility model discloses a concrete embodiment of cement ground road surface floating trowelling machine:
as shown in fig. 3 to 6, the whole cement floor and road surface trowelling and smoothing machine comprises a frame 18, a handrail 19 and a power unit 20 are fixed on the frame 18, an output shaft of the power unit 20 is fixed with a mounting seat 21, four trowels 22 are mounted on the mounting seat 21, and the power unit 20 can drive the four trowels 22 to rotate so as to perform trowelling and smoothing operation. A shield 34 is also secured to the frame 18.
As shown in fig. 3, the power unit 20 includes a motor 37 and a speed reducer 24, wherein the housings of the motor 37 and the speed reducer 24 are fixed on the frame 18, the output shaft of the motor is connected with the input shaft of the speed reducer 24, and the mounting seat 21 is fixed on the output shaft of the speed reducer 24. The mounting base 21 is constructed as shown in fig. 4, the mounting base 21 includes an upper connecting sleeve portion 211, the connecting sleeve portion 211 is sleeved on the output shaft of the reducer 24 when in use, and the connecting sleeve portion 211 is in spline fit with the output shaft for rotation stop assembly. The mounting base 21 further includes four mounting sleeves 212 spaced uniformly in the circumferential direction, and the wiper rotating shaft 23 is rotatably mounted in each of the mounting sleeves 212. The structure of the wiper rotating shaft 23 is as shown in fig. 5, the wiper rotating shaft 23 includes a round shaft section 232 penetrating into the mounting sleeve 212, and further includes a hexagonal shaft section 231 located outside the mounting sleeve 212, the wiper 22 is fixedly mounted on the hexagonal shaft section 231 through screws, and a square boss 233 is arranged at the end of the round shaft section 232. As shown in fig. 5, a separation preventing ring groove 234 is provided between the circular shaft section 232 and the hexagonal shaft section 231, and correspondingly, as shown in fig. 4, a pin mounting hole 214 is provided in the mounting sleeve 212, and when assembling, a pin is mounted in the pin mounting hole 214 and inserted into the separation preventing ring groove 234, thereby preventing the wiper rotating shaft 23 from being separated.
As shown in fig. 3, in order to adjust the inclination angle of the wiper 22, in the present embodiment, the crank arms 38 are rotatably fitted on the square bosses 233 of the wiper rotating shaft 23, and all four crank arms 38 are located inside the mounting base 21. A pressure plate 25 is also mounted on the inside of the mounting seat 21, wherein the pressure plate 25 is located above the four crank arms 38, and it should be noted here that the bottom of the mounting seat 21 is open structure for mounting the pressure plate 25 and the crank arms 38. A driving disk 26 is screwed on the exterior of the connecting sleeve part 211 of the mounting seat 21, the driving disk 26 can move up and down when rotating, the driving disk 26 needs to press against the pressure plate 25, specifically, two ejector rod through holes 213 are arranged on the mounting seat 21, two ejector rods 27 pass through the ejector rod through holes 213, the upper ends of the ejector rods 27 are pressed against the driving disk 26, and the lower ends of the ejector rods 27 are pressed against the pressure plate 25. Wherein, there is a circle of slot 28 on the periphery of driving disk 26, and slot 28 link up from top to bottom.
In order to drive the driving disc 26 to rotate so as to press the crank arm 38 through the push rod 27 and the pressure plate 25, and adjust the inclination angle of the spatula 22, a driving structure is provided in the embodiment. The drive structure comprises in particular a mounting bracket 29 fixed to the casing of the reducer 24, the mounting bracket 29 being provided with a radially extending radial hole in which a plug 30 is inserted, the plug 30 being able to be inserted in the slot 28 and carrying the drive disc 26 in rotation.
The specific structure of the plug 30 is shown in fig. 6, and the plug 30 specifically includes a large-diameter section 301 and a small-diameter section 302, which form a step, when assembling, the large-diameter section 301 is located inside the mounting bracket 29, and the small-diameter section 302 is located outside the mounting bracket 29, so that the step can be pressed against the inner wall of the mounting bracket 29. The small-diameter section 302 is externally sleeved with a compression spring 31, the end of the small-diameter section 302 is provided with an outward turned edge 303, the outward turned edge 303 can be formed by the head of a screw, the compression spring 31 is pressed between the outward turned edge 303 and the mounting bracket 29, and the bolt 30 can be integrally assembled on the mounting bracket 29 by virtue of the elastic force of the compression spring 31 and the jacking force of the step. After the latch 30 is inserted into the slot 28, the latch 30 rotates to drive the driving disc 26 to rotate relative to the mounting seat 21, and moves downward to press the crank arm 38.
To further facilitate the rotation of the bolt 30, in this embodiment, an ear plate 32 is fixed to the outer portion of the mounting bracket 29, a first bar 33 is hinged to the ear plate 32, and a middle portion of the first bar 33 is hinged to the ear plate 32, thereby forming a lever structure. The lower end of the first bar 33 corresponds to the bolt 30 and can push the bolt 30 inward.
In order to further facilitate the rotation of the latch 30, in this embodiment, a second bar 35 is hinged to the handle 19, one end of the second bar 35 is hinged to the handle 19, a pull wire 36 is connected to the middle of the second bar 35, and the other end of the pull wire 36 is connected to the upper end of the first bar 33. When the second bar 35 is pulled, the first bar 33 can be rotated by the pull wire 36, and the lower end of the first bar 33 pushes the latch 30 inwards, as shown in fig. 3. Therefore, when the inclination angle of the spatula 22 is adjusted, only the second bar-shaped block 35 needs to be pulled at the handrail 19, and the operation is not needed to be carried out by extending hands to the bolt 30, so that the operation is more convenient. When the adjustment is in place, the pressure spring 31 drives the first bar-shaped block 33 to swing reversely only by releasing the hand. And one end of the second bar-shaped block 35 is used for being held by an operator to form a holding part.
In this embodiment, the slot walls of the slots 28 form circumferential stops, and the driving disk 26 is provided with a plurality of slots 28 to facilitate insertion of the pins 30. In other embodiments, the number of slots may be increased or decreased according to actual situations. In other embodiments, the circumferential stop may take the form of one or more protrusions on the outer periphery of the drive disc, the protrusions forming the circumferential stop, the circumferential stop being achieved by the cooperation of the protrusions with the pins.
In addition, in the embodiment, the pin 30 forms a circumferential stopper, and the circumferential stopper is used to circumferentially block a circumferential stopper on the driving disk so as to drive the driving disk to rotate through the circumferential stopper. The steps on the circumferential stopping piece are not limited to the large-diameter section and the small-diameter section, and a turning edge and the like can be additionally arranged to form the steps.
In this embodiment, a first bar 33 is hinged to the mounting bracket 29 and indirectly to the frame 18, the first bar 33 being in the nature of a swing arm, and a second bar 35 is hinged to the armrest 19, in the nature of an operating handle. In other embodiments, the shapes of the swing arm and the operating handle can be changed according to actual conditions.
In this embodiment, the swing arm is a lever structure hinged in the middle, so that the operating handle is conveniently driven by the pull wire 36, wherein the pull wire 36 can be a thin steel wire rope or a hemp rope, etc. In other embodiments, the operating handle may drive the swing arm to rotate through a connecting rod, and it should be noted that the connecting rod may be a single connecting rod, or may include two sections hinged to each other. When the connecting rod is a single connecting rod, in order to prevent the operating handle from clamping stagnation when the swing arm is driven to rotate, at least one of the operating handle and the swing arm can be provided with a long groove, so that the connecting rod can slide in the long groove.
In other embodiments, one end of the swing arm may be hinged to the mounting bracket, or may be directly hinged to the frame, at this time, the operating handle must push the swing arm to swing through the connecting rod, and the setting manner of the connecting rod is consistent with that described above and is not described again.
In this embodiment, the mounting bracket 29 is a cylindrical annular plate, and in other embodiments, the mounting bracket may be a frame, and the mounting bracket may be fixed to a housing of the speed reducer or directly fixed to a frame; or in other embodiments, the mounting bracket may be rotatably mounted, in particular, the mounting bracket is rotatably mounted on the mounting seat, in particular, a bearing is fixed on the inner side of the mounting bracket, and the bearing inner ring is fixed on the mounting seat, so that the mounting bracket can rotate relative to the mounting seat. Alternatively, in other embodiments, the mounting bracket may be rotatably mounted on the output shaft of the speed reducer in a manner consistent with that described above, and will not be described herein again. It should be noted that, in order to prevent the existence of the mounting bracket from affecting the pressing of the driving disc on the pressure plate, when the mounting bracket is rotatably mounted on the output shaft or the mounting seat, the mounting bracket is located above the driving disc.
In this embodiment, the circumferential stop is movably mounted on the mounting bracket, and the swing arm only serves for pushing. In other embodiments, the swing arm may be hingedly connected to the circumferential stop, and to avoid interference, an elongated slot may be provided in the swing arm for slidably engaging and hinging with the circumferential stop. In other embodiments, the circumferential stopping member may be directly fixed to the swing arm, and the swing arm drives the circumferential stopping member to swing to the driving disk when swinging. At this moment, if the swing arm directly articulates in the frame, can cancel the installing support.
In this embodiment, the compressed spring 31 plays a role of separating the circumferential stopper from the circumferential stopper, and plays a role of a return spring, and in other embodiments, the return spring may be a tension spring connected between the vertical plate and the large-diameter section. Or other elastic restoring pieces such as rubber belts and rubber blocks can be used for replacing the tension springs and the compression springs.
In this embodiment, the elastic reset piece is matched with the circumferential stopping piece, and in other embodiments, the elastic reset piece can be matched with the swing arm to realize reset. Or when the operating handle is connected with the swing arm through the connecting rod, the elastic resetting piece can be matched with the operating handle to realize resetting.
In this embodiment, the power unit is composed of a motor and a reducer, and in other embodiments, the motor may be replaced by an engine.
In this embodiment, the drive plate is threadedly mounted on the mounting block, and in other embodiments, the drive plate may be threadedly mounted on the output shaft.
It should be noted that the radial movement of the circumferential stop member along the mounting seat in the present invention refers to indirect assembly, and the direct movement of the circumferential stop member is assembled on the mounting bracket, and the mounting bracket is fixed on the frame.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A cement floor surfacing trowelling machine comprising:
the frame is provided with a handrail and a power unit;
the mounting seat is arranged on an output shaft of the power unit, at least two smearing pieces are uniformly distributed at intervals in the circumferential direction, the smearing pieces are arranged on the mounting seat in an adjustable manner through a radially extending smearing piece rotating shaft, the inclination angle of the smearing piece rotating shaft is adjustable, and a crank arm is arranged at the inner end of the smearing piece rotating shaft;
the driving disc is assembled on the mounting seat or the output shaft in a threaded manner, each crank arm can be pressed downwards by the driving disc to change the inclination angle of the wiper, and a circumferential stopping part is arranged on the periphery of the driving disc;
the circumferential stopping piece can move to the driving disc along the radial direction of the mounting seat and is in circumferential stopping fit with the circumferential stopping part;
the elastic resetting piece is used for driving the circumferential stopping piece to reversely move so as to separate the circumferential stopping piece from the circumferential stopping part;
the method is characterized in that: the cement ground surface road surface trowelling and smoothing machine still includes:
the swing arm is directly or indirectly hinged on the rack, and the circumferential stopping piece is fixed at one swinging end of the swing arm so as to enable the circumferential stopping piece to swing to the driving disc; or the circumferential stopping piece moves along the radial direction of the mounting seat and is assembled on the rack, and the swing arm can push the circumferential stopping piece to move to the driving disc;
the operating handle is movably arranged on the handrail and is connected with the swing arm through a connecting rod or a pull wire, and the operating handle can drive the swing arm to swing through the connecting rod or the pull wire so as to drive the circumferential stopping piece to move inwards in the radial direction.
2. The cement floor surface trowelling machine of claim 1, characterized in that: the cement ground pavement trowelling and trowelling machine comprises a mounting bracket, wherein the mounting bracket is fixed on a shell of a speed reducer or a rack, or is rotatably mounted on a mounting seat or an output shaft and is positioned above a driving disc;
the swing arm is of a lever structure with the middle hinged on the mounting bracket;
the operating handle is hinged to the armrest, the swinging end of the operating handle is connected with one end of the swinging arm through the pull wire, and the other end of the swinging arm is used for driving the circumferential stopping piece to move;
the elastic reset piece is matched with the circumferential stopping piece or the swing arm so as to separate the circumferential stopping piece from the circumferential stopping part.
3. The cement floor surface trowelling machine of claim 2, characterized in that: one end of the operating handle is hinged to the armrest, the pull wire is connected to the middle of the operating handle, and the other end of the operating handle forms a holding portion for an operator to hold and operate.
4. A cement floor surfacing trowelling machine according to claim 2 or 3, characterized in that: the circumferential stopping piece can penetrate through the mounting bracket in a reciprocating mode along the radial direction of the mounting seat, and the elastic resetting piece is matched with the circumferential stopping piece.
5. The cement floor surface trowelling machine of claim 4, characterized in that: the installation support is provided with an inner side facing the installation seat, the circumferential stopping piece radially penetrates through the installation support, the circumferential stopping piece is provided with a step propping against the inner side of the installation support, and the elastic resetting piece exerts outward elastic force on the plug pin so as to enable the step to be in propping fit with the inner side of the installation support.
6. A cement floor surfacing trowelling machine according to claim 1, 2 or 3, characterized in that: the swing arm and/or the operating handle are bar-shaped blocks.
7. A cement floor surfacing trowelling machine according to claim 1, 2 or 3, characterized in that: at least two slots are circumferentially arranged at intervals on the periphery of the driving disc, the slot walls of the slots form the circumferential stopping part, and the circumferential stopping part is a plug pin capable of being inserted into the slots.
CN201922237803.XU 2019-12-13 2019-12-13 Cement floor road surface trowelling and smoothing machine Active CN211596294U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922237803.XU CN211596294U (en) 2019-12-13 2019-12-13 Cement floor road surface trowelling and smoothing machine

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Application Number Priority Date Filing Date Title
CN201922237803.XU CN211596294U (en) 2019-12-13 2019-12-13 Cement floor road surface trowelling and smoothing machine

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112482718A (en) * 2020-12-28 2021-03-12 德州贯科通风设备有限公司 Trowelling machine safety device based on human engineering
CN117846268A (en) * 2024-03-06 2024-04-09 河南珏峻建筑装饰有限公司 Construction concrete ground trowelling device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112482718A (en) * 2020-12-28 2021-03-12 德州贯科通风设备有限公司 Trowelling machine safety device based on human engineering
CN112482718B (en) * 2020-12-28 2022-09-23 德州贯科通风设备有限公司 Trowelling machine safety device based on human engineering
CN117846268A (en) * 2024-03-06 2024-04-09 河南珏峻建筑装饰有限公司 Construction concrete ground trowelling device
CN117846268B (en) * 2024-03-06 2024-05-14 河南珏峻建筑装饰有限公司 Construction concrete ground trowelling device

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