CN109025220B

CN109025220B - Concrete troweling machine with out-of-control centrifugal closing function

Info

Publication number: CN109025220B
Application number: CN201810876734.4A
Authority: CN
Inventors: 不公告发明人
Original assignee: Chongyi County Concrete Co Ltd
Current assignee: Chongyi County Concrete Co ltd
Priority date: 2018-08-03
Filing date: 2018-08-03
Publication date: 2020-07-17
Anticipated expiration: 2038-08-03
Also published as: CN109025220A

Abstract

The invention discloses a concrete troweling machine with out-of-control centrifugal closing, which structurally comprises a handrail, an accelerator controller, a connecting rod, a centrifugal flameout switch, a power machine, a rack, a troweling sheet, a troweling disc and a speed reducer, wherein the centrifugal flameout switch consists of a flameout shell, a flameout mechanism, a centrifugal frame, a centrifugal mechanism, a limiting mechanism, a disconnecting mechanism and a resetting mechanism, the kinetic energy of the out-of-control concrete troweling machine is transmitted from bottom to top to generate centrifugal force, a sliding block on the centrifugal mechanism pushes a Z-shaped limiting rod to limit the disconnecting mechanism, a third spring on the disconnecting mechanism can push a fixing ring to move, the fixing ring drives an arc-shaped push plate on a telescopic rod to disconnect the flameout mechanism, and the occurrence of a series of serious consequences caused by the fact that the concrete troweling machine is damaged or injured by a person.

Description

Concrete troweling machine with out-of-control centrifugal closing function

Technical Field

The invention relates to the field of concrete troweling machines, in particular to a concrete troweling machine with an out-of-control centrifugal closing function.

Background

After generally having pour the concrete on the building site, in order to avoid concrete solidification back fracture, can make the measure of some reply in the concrete soon will solidify, for example artifical trowelling and optionally with concrete trowelling machine, to some large tracts of land concrete trowelling, all can let the workman operate concrete trowelling machine and carry out the trowelling, present technical consideration is not comprehensive, has following drawback: concrete troweling machine is when the operation, need be at concrete surface spin friction when owing to smear dish or smear piece work, and can increase frictional resistance to some comparatively fast concretes that solidify, the degree of difficulty of workman in operation concrete troweling machine work has been increased, and lead to the workman to remove the during operation on comparatively fastened concrete surface, the concrete troweling machine that often can appear breaks off the hand, and the phenomenon of the wounded of out of control, and the back of out of control appears in the concrete troweling machine, can not stop work immediately, but continue to drive the rotation of concrete troweling machine handrail until petrol is used up, rotatory concrete troweling machine lets the workman dare not be close to and close, concrete troweling damage or wounded can appear probably, lead to a series of serious consequences.

Disclosure of Invention

The concrete troweling machine comprises a handrail, an accelerator controller, a connecting rod, a centrifugal flameout switch, a power machine, a frame, a wiper disc and a speed reducer, wherein the handrail is welded at the head end of the connecting rod through electric welding, the tail end of the connecting rod is fixedly installed on the side face of the frame, the power machine is arranged at the top end of the frame and is in interference fit with the power machine, the speed reducer is arranged below the power machine, the power machine is movably connected with the speed reducer, four wipers are installed on a rotating shaft of the speed reducer and are equidistantly distributed at the bottom end of the speed reducer, the wiper disc is arranged below the speed reducer, the speed reducer and the wiper disc are buckled through the wiper, the accelerator controller is installed on the surface of the handrail, a centrifugal flameout switch is arranged on the surface of the connecting rod, the connecting rod is movably connected with the centrifugal flameout switch, the centrifugal flameout switch is electrically connected with the power machine, the centrifugal flameout switch is composed of a flameout shell, a centrifugal mechanism, a breaking mechanism and a release mechanism are installed inside of the centrifugal flameout mechanism, a trigger frame is fixedly connected with a trigger mechanism, a trigger mechanism is connected with a trigger wire 8652, a trigger wire is arranged on the centrifugal release mechanism, the trigger wire is fixedly connected with a trigger mechanism, the trigger mechanism, and a trigger mechanism, the trigger wire is fixedly connected with a trigger mechanism, the trigger mechanism is connected with a trigger mechanism, the trigger mechanism is connected with the trigger mechanism, the trigger mechanism is connected with the trigger mechanism, the.

As a further optimization of the technical scheme, the centrifugal mechanism comprises a slide block, a centrifugal guide plate and an L-type ejector rod, the slide block is arranged in the centrifugal guide plate, the centrifugal guide plate is in sliding fit with the slide block, the L-type ejector rod is inserted into the side face of the slide block through a guide groove in the left side face of the centrifugal guide plate, and the slide block is fixedly connected with the L-type ejector rod.

As the further optimization of this technical scheme, stop gear constitute by loosing power push pedal, pulley, second spring, location axle, Z type gag lever post pass through the location axle and install inside centrifugal frame, Z type gag lever post one serve and be equipped with the second spring, Z type gag lever post and second spring be connected, the Z type gag lever post other end on be equipped with and loose the power push pedal, Z type gag lever post and loose the power push pedal and pass through pulley sliding fit.

As the further optimization of this technical scheme, the disconnection mechanism constitute by telescopic link, third spring, solid fixed ring, arc push pedal, the telescopic link left end have the arc push pedal through electric welding, the telescopic link on the surface install solid fixed ring, solid fixed ring on the right side on be equipped with the third spring, solid fixed ring and third spring be connected.

As a further optimization of the technical scheme, the reset mechanism comprises a fourth spring, a warping rod, a pressure rod and a reset rod, the reset rod is provided with the pressure rod, the reset rod and the pressure rod are of an integrated structure, the right side of the pressure rod is provided with the warping rod, the pressure rod is movably connected with the warping rod, and the side surface of the warping rod is provided with the fourth spring.

As the further optimization of the technical scheme, the sliding block further comprises a ball, and more than two balls are mounted on the surface of the sliding block.

As a further optimization of the technical scheme, the force dispersing push plate further comprises a positioning column, the positioning column is arranged on the side surface of the force dispersing push plate and movably connected with the side surface of the force dispersing push plate, and the positioning column is arranged at the bottom end inside the centrifugal frame.

As a further optimization of the technical scheme, one end of the tilting rod is matched with one end of the Z-shaped limiting rod.

As a further optimization of the technical scheme, a penetrating hole is formed between the flameout shell and the centrifugal frame.

As the further optimization of the technical scheme, the centrifugal frame is made of stainless steel materials, so that the centrifugal frame is prevented from rusting and the service life of the centrifugal frame is prolonged.

Advantageous effects

When the concrete troweling machine is out of control, the power can continuously bring power energy to the speed reducer, the speed reducer transmits kinetic energy to the troweling sheet, the troweling sheet drives the troweling disc to perform rotary friction on the concrete ground, but the concrete troweling machine is out of control and has no relative force to prevent the friction transmitted from the ground, so that the speed reducer feeds back the kinetic energy to the speed reducer, the speed reducer drives the upper half part of the concrete troweling machine to rapidly rotate to generate centrifugal force, the slide block drives the L type ejector rod to upwards impact in the centrifugal guide plate under the action of the centrifugal force, the L type ejector rod impacts the dispersion push plate, the dispersion push plate drives one end of the Z type limiting rod to rotate right through the pulley until the Z type limiting rod is clamped on the inner wall of the centrifugal frame, the other end of the Z type limiting rod loosens the fixed ring, the fixed ring ejects the telescopic rod by the elastic force generated by a third spring, the telescopic rod drives the arc-shaped push plate to penetrate through the L type baffle plate, the operating rod drives the operating rod to break a igniter to stop the rotation of the concrete troweling machine, and the reset rod drives the other end of the reset rod to move towards the left end of the fixed ring, and the reset rod to push the reset rod to move towards the reset rod.

Compared with the prior art, the invention has the beneficial effects that: the concrete trowelling machine out of control is because the kinetic energy of self is transmitted to by down on, and produces centrifugal force, promotes Z type gag lever post to the restriction of break-off mechanism through the slider on the centrifugal mechanism, lets the third spring on the break-off mechanism can promote solid fixed ring and remove, lets solid fixed ring drive the arc push pedal on the telescopic link and break off flameout mechanism, has avoided the concrete trowelling machine to appear crashing or hindering the people, leads to the appearance of a series of serious consequences.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural diagram of a concrete troweling machine with an out-of-control centrifugal shutdown function according to the present invention.

Fig. 2 is a schematic view of a static state top view structure of a concrete troweling machine with an out-of-control centrifugal closing function according to the present invention.

Fig. 3 is a schematic top view of a working state of a concrete troweling machine with an out-of-control centrifugal closing function according to the present invention.

Fig. 4 is a schematic structural view of a working state of the resetting mechanism of the concrete troweling machine with the out-of-control centrifugal closing function according to the present invention.

Fig. 5 is a schematic side view of a concrete troweling machine with an uncontrolled centrifugal shutdown function according to the present invention.

In the drawing, an armrest-1, an accelerator controller-2, a connecting rod-3, a centrifugal flameout switch-4, a power machine-5, a rack-6, a spatula-7, a spatula-8, a speed reducer-9, a flameout shell-401, a flameout mechanism-402, a centrifugal frame-403, a centrifugal mechanism-404, a limiting mechanism-405, a disconnecting mechanism-406, a resetting mechanism-407, a trigger wire-4021, an L type baffle-4022, an igniter-4023, an operating rod-4024, a first spring-4025, a slider-4041, a centrifugal guide plate-4042, a L type ejector rod-4043, a slider-4041, a centrifugal guide plate-4042, a L type ejector rod-4043, a ball-4041 a, a force dispersing push plate-4051, a pulley-4052, a second spring-4053, a positioning shaft-4054, a Z type limiting rod-4055, a positioning post-4051 a, a telescopic rod-4061, a third spring-4062, a fixing ring-4063, an arc push plate-4064, a fourth spring-4072 and a restoring rod-warping push rod-72.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.

Examples

Referring to fig. 1-5, the invention provides a concrete troweling machine with an out-of-control centrifugal closing function, which structurally comprises a handrail 1, an accelerator controller 2, a connecting rod 3, a centrifugal flameout switch 4, a power machine 5, a frame 6, trowels 7, a troweling disc 8 and a speed reducer 9, wherein the handrail 1 is welded at the head end of the connecting rod 3 through electric welding, the tail end of the connecting rod 3 is fixedly installed at the side surface of the frame 6, the power machine 5 is arranged at the top end of the frame 6, the frame 6 and the power machine 5 are in interference fit, the speed reducer 9 is arranged below the power machine 5, the power machine 5 is movably connected with the speed reducer 9, four trowels 7 are installed on a rotating shaft of the speed reducer 9, the trowels 7 are equidistantly distributed at the bottom end of the speed reducer 9, the trowels 8 is arranged below the speed reducer 9, and the speed reducer 9 and the, the surface of the handrail 1 is provided with an accelerator controller 2, the surface of the connecting rod 3 is provided with a centrifugal flameout switch 4, the connecting rod 3 is movably connected with the centrifugal flameout switch 4, the centrifugal flameout switch 4 is electrically connected with a power machine 5, the centrifugal flameout switch 4 consists of a flameout shell 401, a flameout mechanism 402, a centrifugal frame 403, a centrifugal mechanism 404, a limiting mechanism 405, a disconnecting mechanism 406 and a resetting mechanism 407, the flameout shell 401 is internally provided with the flameout mechanism 402, the right side of the flameout shell 401 is provided with the centrifugal frame 403, the flameout shell 401 is fixedly connected with the centrifugal frame 403, the centrifugal frame 403 is internally provided with the centrifugal mechanism 404, the centrifugal frame 403 is connected with the centrifugal mechanism 404, the centrifugal mechanism 404 is provided with the limiting mechanism 405, the centrifugal mechanism 404 and the limiting mechanism 405 are in clearance fit, the disconnecting mechanism 406 is arranged on the inner wall of the centrifugal frame 403, the disconnecting mechanism 406 is movably connected with the limiting mechanism 405, one end of the resetting mechanism 407 is installed inside the centrifugal frame 403, the other end of the resetting mechanism 407 is exposed outside the centrifugal frame 403, and the resetting mechanism 407 is matched with the disconnecting mechanism 406.

Flameout mechanism 402 constitute by trigger line 4021, L type baffle 4022, point firearm 4023, action bars 4024, first spring 4025, L type baffle 4022 on be equipped with action bars 4024, L type baffle 4022 and action bars 4024 swing joint, action bars 4024 on the surface install first spring 4025, trigger line 4021 locate on flameout casing 401 inner wall and both fixed connection, action bars 4024 on the surface be equipped with point firearm 4023, action bars 4024 and point firearm 4023 glue and connect, point firearm 4023 and trigger line 4021 electricity connect.

The centrifugal mechanism 404 is composed of a sliding block 4041, a centrifugal guide 4042, and an L-type push rod 4043, the sliding block 4041 is arranged inside the centrifugal guide 4042, the centrifugal guide 4042 is in sliding fit with the sliding block 4041, the L-type push rod 4043 is inserted into the side surface of the sliding block 4041 through a guide groove on the left side surface of the centrifugal guide 4042, the sliding block 4041 is fixedly connected with the L-type push rod 4043, the L-type push rod 4043 is driven to push when the sliding block 4041 performs centrifugal motion, and direct impact force caused by centrifugal force is borne by the centrifugal guide 4042.

Limiting mechanism 405 constitute by scattered power push pedal 4051, pulley 4052, second spring 4053, location axle 4054, Z type gag lever post 4055 install inside centrifugal frame 403 through location axle 4054, Z type gag lever post 4055 one end on be equipped with second spring 4053, Z type gag lever post 4055 and second spring 4053 link, Z type gag lever post 4055 other end on be equipped with scattered power push pedal 4051, Z type gag lever post 4055 and scattered power push pedal 4051 pass through pulley 4052 sliding fit, foretell scattered power push pedal 4051 is the strength that is used for dispersing L type ejector pin 4043 striking, avoids concentrating the striking for a long time, and leads to the damage of part.

Disconnection mechanism 406 constitute by telescopic link 4061, third spring 4062, solid fixed ring 4063, arc push pedal 4064, telescopic link 4061 left end have arc push pedal 4064 through the electric welding, telescopic link 4061 install solid fixed ring 4063 on the surface, solid fixed ring 4063 on the right side on be equipped with third spring 4062, solid fixed ring 4063 and third spring 4062 be connected, utilize third spring 4062's elasticity to promote solid fixed ring 4063 on the telescopic link 4061, let telescopic link 4061 can extend and promote arc push pedal 4064 work.

Canceling release mechanical system 407 by fourth spring 4071, stick up pole 4072, depression bar 4073, release link 4074 and constitute, release link 4074 on be equipped with depression bar 4073, release link 4074 and depression bar 4073 structure as an organic whole, depression bar 4073 on the right side on be equipped with stick up pole 4072, depression bar 4073 and stick up pole 4072 swing joint, stick up pole 4072 side-mounting have fourth spring 4071, utilize the release link 4074 to reset toward back pressure with break-off mechanism 406, let stop gear 405 can not block break-off mechanism 406 through stick up pole 4072 and reset.

The sliding block 4041 further comprises a ball 4041a, and the surface of the sliding block 4041 is provided with more than two ball 4041a, so that the sliding speed of the sliding block 4041 is improved, and the friction force between the sliding block 4041 and the centrifugal guide plate 4042 is reduced.

Scattered power push pedal 4051 still include reference column 4051a, reference column 4051a locate scattered power push pedal 4051 side and swing joint between the two, reference column 4051a install at the inside bottom of centrifugal frame 403, utilize reference column 4051a restriction scattered power push pedal 4051 to remove, avoid appearing the turn-over.

Stick up pole 4072 one end and Z type gag lever post 4055 one end and cooperate, flame-out casing 401 and centrifugal frame 403 link to each other between open and to have the through hole, centrifugal frame 403 adopt stainless steel material to make, prevent to rust increase life.

When the concrete troweling machine is out of control, the power machine 5 can continuously bring power energy to the speed reducer 9, the speed reducer 9 transmits kinetic energy to the troweling sheet 7, the troweling sheet 7 drives the troweling disc 8 to rub the concrete floor in a rotating manner, but the concrete troweling machine is out of control and has no relative force to prevent the friction transmitted from the floor, so that the speed reducer 9 feeds back the kinetic energy to the troweling sheet 9, the speed reducer 9 drives the upper half part of the concrete troweling machine to rotate rapidly to generate centrifugal force, the sliding block 4041 drives the ejector 40L to impact upwards in the centrifugal guide 4042 under the action of the centrifugal force, the L type ejector 4043 impacts the dispersion push plate 4051, the dispersion push plate 4051 drives one end of the Z type limit rod 4055 to rotate to the right through the pulley 4052 until the Z type limit rod 4055 is clamped on the inner wall of the centrifugal frame 403, the other end of the Z type limit rod 4055 loosens the limit on the fixing ring 4063, the fixing ring 4063 is ejected by the elastic force generated by the third spring 4062, the telescopic rod 4061 drives the arc push plate 4064 to push the operating rod 404 to push the fixing ring 40252, the reset rod 404 to move, the reset rod 4055, and the reset rod, the reset rod is pushed to move to the reset rod 4055, and the reset rod, the reset rod 4074 is pushed to move to the reset rod 4055, and the reset rod, the reset rod 4055, the reset rod is pushed by the reset rod, the reset rod 4055, the reset rod, and the reset rod, the reset rod.

The invention solves the problem that the uncontrolled concrete troweling machine generates centrifugal force because the kinetic energy of the uncontrolled concrete troweling machine is transmitted from bottom to top, the sliding block 4041 on the centrifugal mechanism 404 pushes the Z-shaped limiting rod 4055 to limit the disconnecting mechanism 406, the third spring 4062 on the disconnecting mechanism 406 can push the fixing ring 4063 to move, the fixing ring 4063 drives the arc-shaped push plate 4064 on the telescopic rod 4061 to disconnect the flameout mechanism 402, and the occurrence of a series of serious consequences caused by the fact that the concrete troweling machine is crashed or hurt people is avoided.

While there have been shown and described what are at present considered the fundamental principles of the invention, the essential features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but rather, is capable of numerous changes and modifications in various forms without departing from the spirit or essential characteristics thereof, and it is intended that the invention be limited not by the foregoing descriptions, but rather by the appended claims and their equivalents.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A concrete troweling machine with a runaway centrifugal closing function structurally comprises a handrail (1), an accelerator controller (2), a connecting rod (3), a centrifugal flameout switch (4), a power machine (5), a rack (6), troweling sheets (7), a troweling disc (8) and a speed reducer (9), wherein the handrail (1) is welded at the head end of the connecting rod (3) through electric welding, the tail end of the connecting rod (3) is fixedly installed on the side face of the rack (6), the top end of the rack (6) is provided with the power machine (5), the rack (6) and the power machine (5) are in interference fit, the speed reducer (9) is arranged under the power machine (5), the power machine (5) is movably connected with the speed reducer (9), four troweling sheets (7) are installed on a rotating shaft of the speed reducer (9), and the troweling sheets (7) are equidistantly distributed at the bottom end of the speed reducer (9, speed reducer (9) below be equipped with and wipe dish (8), speed reducer (9) and wipe dish (8) pass through wiper (7) looks lock, handrail (1) install throttle controller (2) on the surface, connecting rod (3) be equipped with centrifugal flameout switch (4) on the surface, connecting rod (3) and centrifugal flameout switch (4) swing joint, centrifugal flameout switch (4) and engine (5) electricity connect its characterized in that:

the centrifugal flameout switch (4) is composed of a flameout shell (401), a flameout mechanism (402), a centrifugal frame (403), a centrifugal mechanism (404), a limiting mechanism (405), a disconnecting mechanism (406) and a reset mechanism (407), the flameout mechanism (402) is installed inside the flameout shell (401), the centrifugal frame (403) is arranged on the right side of the flameout shell (401), the flameout shell (401) is fixedly connected with the centrifugal frame (403), the centrifugal mechanism (404) is arranged in the centrifugal frame (403), the centrifugal frame (403) is connected with the centrifugal mechanism (404), the limiting mechanism (405) is arranged on the centrifugal mechanism (404), the centrifugal mechanism (404) and the limiting mechanism (405) are in clearance fit, the disconnecting mechanism (406) is installed on the inner wall of the centrifugal frame (403), and the disconnecting mechanism (406) is movably connected with the limiting mechanism (405), one end of the resetting mechanism (407) is arranged in the centrifugal frame (403), the other end of the resetting mechanism (407) is exposed out of the centrifugal frame (403), and the resetting mechanism (407) is matched with the disconnecting mechanism (406);

the flameout mechanism (402) comprises a trigger wire (4021), an L-type baffle (4022), an igniter (4023), an operating rod (4024) and a first spring (4025), the L-type baffle (4022) is provided with the operating rod (4024), the L-type baffle (4022) is movably connected with the operating rod (4024), the surface of the operating rod (4024) is provided with the first spring (4025), the trigger wire (4021) is arranged on the inner wall of the flameout shell (401) and fixedly connected with the inner wall of the flameout shell, the surface of the operating rod (4024) is provided with the igniter (4023), the operating rod (4024) is in adhesive connection with the igniter (4023), and the igniter (4023) is electrically connected with the trigger wire (4021);

stop gear (405) constitute by power push pedal (4051), pulley (4052), second spring (4053), location axle (4054), Z type gag lever post (4055) of loosing, Z type gag lever post (4055) install inside centrifugal frame (403) through location axle (4054), Z type gag lever post (4055) one end on be equipped with second spring (4053), Z type gag lever post (4055) and second spring (4053) be connected, Z type gag lever post (4055) other end on be equipped with power push pedal (4051) of loosing, Z type gag lever post (4055) and power push pedal (4051) of loosing pass through pulley (4052) sliding fit.

2. The concrete troweling machine with the uncontrolled centrifugal closing function according to claim 1 is characterized in that the centrifugal mechanism (404) is composed of a sliding block (4041), a centrifugal guide plate (4042) and an L ejector pin (4043), the sliding block (4041) is arranged inside the centrifugal guide plate (4042), the centrifugal guide plate (4042) is in sliding fit with the sliding block (4041), the L ejector pin (4043) is inserted into the side face of the sliding block (4041) through a guide groove in the left side face of the centrifugal guide plate (4042), and the sliding block (4041) is fixedly connected with the L ejector pin (4043).

3. A concrete troweling machine with uncontrolled centrifugal shutdown function according to claim 1, characterized in that: disconnection mechanism (406) constitute by telescopic link (4061), third spring (4062), solid fixed ring (4063), arc push pedal (4064), telescopic link (4061) left end have arc push pedal (4064) through the electric welding, telescopic link (4061) install solid fixed ring (4063) on the surface, solid fixed ring (4063) on be equipped with third spring (4062), solid fixed ring (4063) and third spring (4062) be connected.

4. A concrete troweling machine with uncontrolled centrifugal shutdown function according to claim 1, characterized in that: reset mechanism (407) constitute by fourth spring (4071), stick up pole (4072), depression bar (4073), release link (4074) on be equipped with depression bar (4073), release link (4074) and depression bar (4073) structure as an organic whole, depression bar (4073) right side on be equipped with stick up pole (4072), depression bar (4073) and stick up pole (4072) swing joint, stick up pole (4072) side-mounting have fourth spring (4071).

5. A concrete troweling machine with uncontrolled centrifugal shutdown function according to claim 2, characterized in that: the sliding block (4041) further comprises a ball (4041 a), and more than two balls (4041 a) are mounted on the surface of the sliding block (4041).

6. A concrete troweling machine with uncontrolled centrifugal shutdown function according to claim 3, characterized in that: scattered power push pedal (4051) still include reference column (4051 a), reference column (4051 a) locate scattered power push pedal (4051) side and swing joint between the two, reference column (4051 a) install at the inside bottom of centrifugal frame (403).