CN211817778U

CN211817778U - Concrete trowelling device

Info

Publication number: CN211817778U
Application number: CN202020478169.9U
Authority: CN
Inventors: 赵留全
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-10-30
Anticipated expiration: 2030-04-03

Abstract

The utility model discloses a concrete trowelling device, the utility model discloses a frame, install the gasoline engine in the frame, the frame is installed on the speed reducer, install little pressure disk, big pressure disk, cross blade axle on the lower extreme output shaft of speed reducer in proper order, install half-round head square diameter bolt on the cross blade axle, the blade is installed to the downside of cross blade axle, the lower extreme of speed reducer is fixed with the shift fork through the hinge, the rear end of shift fork is connected with the stay wire, the stay wire is worn in the pipe, the other end of stay wire is fixed on the lifting handle, the pipe is fixed on the speed reducer, the lifting handle is fixed on the fixed sleeve, flameout switch installs on the flameout switch seat of pipe; the purpose of controlling the floating device under the condition of not closing the power is achieved; and after the operator is carelessly separated from the handle, the power can be automatically closed, so that the potential safety hazard is eliminated.

Description

Concrete trowelling device

Technical Field

The utility model relates to a concrete construction equipment field, specific concrete floating device that says so.

Background

The concrete trowelling machine is also called as ground trowelling machine, and is a rough and fine trowelling machine for the surface of concrete. The surface constructed by the machine is smoother and smoother than the surface constructed manually, the compactness and the wear resistance of the concrete surface can be greatly improved, and the working efficiency is improved by more than 10 times compared with manual operation in terms of efficiency. The ground smoothing machine can be widely used for slurry lifting, smoothing and smoothing of concrete surfaces of high-standard factory buildings, warehouses, parking lots, squares, airports and frame-type buildings. Is the first choice machine in concrete construction.

However, in the process of using the concrete floating device, all be the handheld handle pipe of workman, stabilize the frame, let floating device rotate, but the defect is when the hand leaves the back of handle pipe, if do not close the power, then floating device can operate always, can cause very big potential safety hazard because uncontrollable rotation like this, therefore, generally speaking, before the workman hand need leave the handle pipe, mostly can close the power, leave the handle pipe again, but in the actual operation process, if not after accomplishing the operation, close the power, just for half a break, and put down whole floating device, just need open and close power many times, the injury to power is huge like this, the life of power has been reduced to very big degree, people's intensity of labour also corresponding increase.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a concrete trowelling device to realize the purpose of controlling a trowelling device under the condition of not closing the power; and after the operator is carelessly separated from the handle, the power can be automatically closed, so that the potential safety hazard is eliminated.

In order to achieve the above purpose, the utility model adopts the following technical means:

the utility model provides a concrete floating device, includes the frame, install the gasoline engine in the frame, the rack-mount is on the speed reducer, install little pressure disk, big pressure disk, cross blade axle on the lower extreme output shaft of speed reducer in proper order, the epaxial semicircle head square diameter bolt of installing of cross blade, the blade is installed to the downside of cross blade axle, the lower extreme of speed reducer is fixed with the shift fork through the hinge, the rear end and the act as go-between of shift fork are connected, the act as go-between is worn in the pipe, the other end of acting as go-between is fixed on the lifting handle, fix the speed reducer to the pipe, the lifting handle is fixed and is sheathe in fixedly, and flameout switch installs on the flameout switch seat of pipe.

Preferably, the lower end of the pull wire is connected to the rear end of the shifting fork, penetrates through the handle pipe, and is fixed on the lifting handle through a roller fixed on the handle pipe.

Furthermore, the lifting handle comprises an upper gland, a spring, a handle sleeve, a lifting mandrel, a position fixing pin, a stay wire fixing pin, a fixing shaft and a handle mounting plate.

Furthermore, the frame is provided with a connecting plate, a movable protective net, a bearing fixing plate and a bearing.

Furthermore, a clutch wheel is arranged on the gasoline engine.

Furthermore, a belt pulley is installed on the speed reducer.

Furthermore, the clutch wheel is connected with the belt pulley through a triangular belt.

Furthermore, the handle tube is provided with a flameout switch seat and a fixed tooth.

The utility model discloses compare with the floating ware of common concrete, have following beneficial effect:

the gasoline engine is installed on the top surface of the rack, a clutch wheel is installed on the gasoline engine, and the clutch wheel is connected with a belt pulley of the speed reducer through a triangular belt. The clutch wheel is sucked by the high-speed operation of the gasoline engine, so that the speed reducer and the cross blade shaft are driven to rotate, and the function of floating the ground is realized. The clutch wheel is separated when the gasoline engine runs at low speed, and the speed reducer and the cross blade shaft do not rotate.

The lifting handle is changed in position, the pulling wire is pulled to move upwards, the shifting fork is rotated, and therefore the small pressure plate and the large pressure plate are lowered, the large pressure plate presses the half-round-head square-neck bolt to enable the cross blade shaft and the blade to rotate, the blade and the ground generate a certain included angle, and the inclination direction is consistent with the rotation direction of the cross blade shaft.

The lifting handle is connected with the upper end of the stay wire, and the middle of the stay wire is transited through two rollers by utilizing the lever principle, so that the blade can rotate by a certain angle quickly and conveniently.

The tail end of the handle pipe is provided with the flameout switch, and when an operator carelessly takes off the machine, the flameout switch automatically flameout, so that potential safety hazards are eliminated.

A connecting plate is fixed on the frame; the frame is provided with a section of movable protecting net, a bearing fixing plate and a bearing, and the movable protecting net can be used as an edge smearing machine, so that the labor intensity of manual edge smearing is reduced, an independent edge smearing machine is saved, and the applicability of the utility model is wider.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a first perspective view of the lift handle of fig. 1.

Fig. 3 is a second perspective view of the lift handle of fig. 1.

Fig. 4 is a schematic view of the local structure of the first working state of the rack of the present invention.

Fig. 5 is a schematic view of the local structure of the second working state of the rack of the present invention.

Fig. 6 is a schematic view of the local structure of the third operating state of the rack of the present invention.

Wherein: the device comprises a frame 1, a connecting plate 1-1, a movable protecting net 1-2, a bearing fixing plate 1-3, a bearing 1-4, a speed reducer 2, a small pressure plate 3, a large pressure plate 4, a half-round square bolt 5, a cross blade shaft 6, a blade 7, a hinge 8, a shifting fork 9, a roller 10, a handle tube 11, a pull wire 12, a lifting handle 13, an upper pressing cover 13-1, a spring 13-2, a handle sleeve 13-3, a lifting core shaft 13-4, a position fixing pin 13-5, a pull wire fixing pin 13-6, a fixing shaft 13-7, a handle mounting plate 13-8, a flameout switch 14, a quick lifting mechanism fixing sleeve 15, a gasoline engine 16-1, a clutch wheel 16-1 and a triangular belt 17.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following embodiments and accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Please refer to fig. 1 to 6, which illustrate a concrete trowelling device, including a frame 1, wherein a gasoline engine 16 is installed on the frame 1, the frame 1 is installed on a speed reducer 2, a small pressure plate 3, a large pressure plate 4 and a cross blade shaft 6 are sequentially installed on an output shaft at the lower end of the speed reducer 2, a half-round square bolt 5 is installed on the cross blade shaft 6, a blade 7 is installed at the lower side of the cross blade shaft 6, a shifting fork 9 is fixed at the lower end of the speed reducer 2 through a hinge 8, the rear end of the shifting fork 9 is connected with a pull wire 12, the pull wire 12 is inserted into a handle tube 11, the other end of the pull wire 12 is fixed on a lifting handle 13, the handle tube 11 is fixed on the speed reducer 2, the lifting handle 13 is fixed on a fixed sleeve 15, and a flameout switch 14 is installed on a flameout switch seat 11-1 of.

The lower end of the stay wire 12 is connected to the rear end of the shifting fork 9, penetrates through the handle pipe 11, and is fixed on the lifting handle 13 through 2 rollers 10 fixed on the handle pipe 11.

The lifting handle 13 comprises an upper pressing cover 13-1, a spring 13-2, a handle sleeve 13-3, a lifting mandrel 13-4, a position fixing pin 13-5, a stay wire fixing pin 13-6, a fixing shaft 13-7 and a handle mounting plate 13-8.

The frame 1 is provided with a connecting plate 1-1, a movable protective net 1-2, a bearing fixing plate 1-3 and a bearing 1-4.

The gasoline engine 16 is provided with a clutch wheel 16-1.

And a belt pulley 2-1 is mounted on the speed reducer 2.

The clutch pulley 16-1 is connected with the belt pulley 2-1 through a triangular belt 17.

The handle tube 11 is provided with a flameout switch seat 11-1 and a fixed tooth 11-2.

In this embodiment, please refer to fig. 1 specifically, the lifting handle 13 is pulled from a position a to a position B, the pull wire 12 moves backward through the 2 rollers 10, the rear end of the pulling fork 9 rises, the front end of the pulling fork 9 descends through the hinge 8, so as to press the small pressure plate 3 and the large pressure plate 4 to descend, so as to press the half-round square-diameter bolt 5 by the large pressure plate 4, so as to incline the cross blade shaft 6 and the blade 7 to form a certain included angle with the ground, and the inclined angle is consistent with the rotation direction of the cross blade shaft, thereby achieving the purpose of finishing the concrete ground.

When the concrete trowelling device is used, the clutch wheel 16-1 on the gasoline engine 16 is sucked through the high-speed operation of the gasoline engine 16, so that the speed reducer 2, the cross blade shaft 6 and the blades 7 are driven to rotate, and the trowelling function on the ground is realized. The clutch wheel 16-1 is separated when the gasoline engine 16 runs at low speed, and the speed reducer and the cross blade shaft do not rotate. The purpose of controlling the trowel can be achieved under the condition that the power is not turned off.

Referring to fig. 1, 2 and 3, before the lifting handle 13 works, the fixed shaft 13-7 is fixed on the fast lifting mechanism fixing sleeve 15 at position a, when the lifting handle starts working, the handle core sleeve 13-3 is held by hand, the upper pressing cover 13-1 is pressed by thumb, the position fixing pin 13-5 is separated from the fixed teeth 11-2 under the driving of the lifting core shaft 13-4, then the lifting handle 13 is pulled backwards by force, the lifting handle 13 rotates around the fast lifting mechanism fixing sleeve 15, the stay wire fixing pin 13-6 also rotates, when the position B is reached, the upper pressing cover 13-1 is released, the pull position fixing pin 13-5 is fixed in the tooth groove of the fixed teeth 11-2 under the action of the spring 13-2, the stay wire 12 is driven by the stay wire fixing pin 13-6 to move backwards, the aim of quickly lifting the blade 7 is achieved.

Referring to fig. 1 again, the flameout switch 14 is fixed on the flameout switch seat 11-1 at the end of the handle tube 11, and is connected to the flameout switch of the gasoline engine 16 through the electric wire 15, before the work, the centrifugal force handle 14-1 must be at the C position, the trowelling machine 16 is started to start the work, when the trowelling machine is released by the operator due to the mistake, the centrifugal force handle 14-1 is thrown to the D position under the action of the centrifugal force, and at the moment, the gasoline engine 16 stops working after flameout, so as to achieve the purpose of safety.

Referring to fig. 4, 5 and 6, a part of the frame 1 is connected by a connecting plate 1-1, so that the movable protecting net 1-2 is disconnected from the frame 1 and connected by bolts, a bearing fixing plate 1-3 is mounted on the connecting plate 1-1 by bolts, and the bearing 1-4 is fixed on the bearing fixing plate 1-3.

In normal operation, the movable protecting net 1-2 is in the position shown in fig. 4, i.e. forms a complete circle with the frame 1.

When the edge is required to be folded, the movable protecting net 1-2 is at the position shown in figure 5, the bearing 1-4 is tightly attached to the wall at the moment, and the maximum rotating circumference of the blade 7 has a gap of 3-5 mm with the wall, so that the edge folding effect is achieved. The blade 7 used in this case is a commercially available blade having a length of 340 mm. If the blade 7 is lengthened to be 350mm long, the bearing fixing plate 1-3 is adjusted to the position shown in fig. 6, at the moment, the bearing 1-4 is still tightly attached to the wall, the maximum rotation circumference of the blade 7 still keeps a gap of 3-5 mm with the wall, and the edge folding effect is achieved. The design is suitable for the sizes of blades with different specifications on the market.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. A concrete trowel which is characterized in that: comprises a frame (1), a gasoline engine (16) is installed on the frame (1), the frame (1) is installed on a speed reducer (2), a small pressure plate (3), a large pressure plate (4) and a cross blade shaft (6) are sequentially installed on a lower end output shaft of the speed reducer (2), a half-round square-diameter bolt (5) is installed on the cross blade shaft (6), a blade (7) is installed on the lower side of the cross blade shaft (6), a shifting fork (9) is fixed at the lower end of the speed reducer (2) through a hinge (8), the rear end of the shifting fork (9) is connected with a pull wire (12), the pull wire (12) is penetrated in a handle pipe (11), the other end of the pull wire (12) is fixed on a lifting handle (13), the handle pipe (11) is fixed on the speed reducer (2), the lifting handle (13) is fixed on a fixed sleeve (15), the flameout switch (14) is arranged on the flameout switch seat (11-1) of the handle tube (11).

2. A concrete trowel as recited in claim 1, further comprising: the lower end of the pull wire (12) is connected to the rear end of the shifting fork (9), penetrates through the handle pipe (11), and is fixed on the lifting handle (13) through 2 rollers (10) fixed on the handle pipe (11).

3. A concrete trowel as recited in claim 1, further comprising: the lifting handle (13) comprises an upper gland (13-1), a spring (13-2), a handle sleeve (13-3), a lifting mandrel (13-4), a position fixing pin (13-5), a stay wire fixing pin (13-6), a fixing shaft (13-7) and a handle mounting plate (13-8).

4. A concrete trowel as recited in claim 1, further comprising: the frame (1) is provided with a connecting plate (1-1), a movable protective net (1-2), a bearing fixing plate (1-3) and a bearing (1-4).

5. A concrete trowel as recited in claim 1, further comprising: and a clutch wheel (16-1) is arranged on the gasoline engine (16).

6. A concrete trowel as recited in claim 1, further comprising: and a belt pulley (2-1) is installed on the speed reducer (2).

7. A concrete trowel as claimed in claims 1, 5 and 6, characterized in that: the clutch wheel (16-1) is connected with the belt pulley (2-1) through a triangular belt (17).

8. A concrete trowel as recited in claim 1, further comprising: the handle tube (11) is provided with a flameout switch seat (11-1) and a fixed tooth (11-2).