CN214658913U - Transmission mechanism of double-body seat type troweling machine - Google Patents

Abstract

The utility model discloses a drive mechanism of binary seat formula smoothing machine belongs to engineering machine tool technical field, including the output wheel, power unit is connected to the front end of output wheel, connects the transmission through the bearing on the framework and links the axle, the transmission links epaxial transmission shaft wheel that is equipped with, be connected through the V-arrangement belt between output wheel and the transmission shaft wheel, the both ends that the transmission links the axle all are equipped with first universal joint, and the rear end of first universal joint is connected with the transfer line, and the rear end of transfer line is connected with the second universal joint, and the end of second universal joint all is connected with the derailleur, the output shaft of derailleur and the smoothing tool shaft of smoothing tool mechanism are connected, and the left and right sides derailleur is symmetrical arrangement state to make two output shafts become constant velocity phase rotation state.

Description

Transmission mechanism of double-body seat type troweling machine

Technical Field

The utility model relates to an engineering machine tool technical field, in particular to binary seat formula smoothing machine's drive mechanism.

Background

The troweling machine is a rough and fine troweling machine for the concrete surface, the surface constructed by the troweling machine is smoother and flatter 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 several times compared with manual operation in terms of efficiency. The troweling machine can be widely used for slurry lifting, troweling and troweling of concrete surfaces of high-standard factory buildings, warehouses, parking lots, squares, airports and frame-type buildings, and is one of important tools in concrete construction.

The existing troweling machine, especially the seat-type troweling machine, needs to be provided with a plurality of troweling knife mechanisms, transmission mechanisms and control mechanisms and is also provided with a power unit, so that the overall structure of the troweling machine is higher, and the stability and controllability of the structure are poorer under the long-term vibration work.

The inventor researches the structure, develops a transmission mechanism of the double-body seat type troweling machine, and realizes that the troweling machine is more compact and reliable in structure and more convenient to adjust and use.

Disclosure of Invention

An object of the utility model is to provide a binary seat formula troweling machine's drive mechanism to realize making troweling machine structure compacter reliable, it is more convenient to adjust and use.

In order to achieve the above purpose, the technical solution of the present invention is as follows:

a transmission mechanism of a double-body seat type troweling machine comprises an output wheel, wherein the front end of the output wheel is connected with a power mechanism, a framework is connected with a transmission connecting shaft through a bearing, a transmission connecting shaft wheel is arranged on the transmission connecting shaft, the output wheel is connected with the transmission connecting shaft wheel through a V-shaped belt, first universal joints are arranged at two ends of the transmission connecting shaft, the rear end of each first universal joint is connected with a transmission rod, the rear end of each transmission rod is connected with a second universal joint, the tail ends of the second universal joints are connected with speed changers, output shafts of the speed changers are connected with troweling shafts of the troweling mechanism, the speed changers at the left side and the right side are symmetrically arranged, and the two output shafts are in a constant-speed opposite rotation state.

Furthermore, the outer end of the transmission connecting shaft and the left and right trowel shafts are in an equidistant state.

Furthermore, a flywheel is arranged at the outer end of the output wheel.

Further, the number of the bearings for connecting the transmission connecting shaft to the framework is two.

Further, the speed changer is a worm gear speed reducer.

After this scheme of adoption, contrast prior art has following benefit:

this scheme a drive mechanism of binary seat formula troweling machine, the totality adopts the balanced structure of symmetry, isometric transmission even axle and bilateral symmetry's transfer line structure about adopting, realize that balanced transmission output about one main power comes, can guarantee the rotation highly uniform of the troweling mechanism of both sides, and distribute the moment of torsion of the same quantity, when the troweling machine implements linear motion, the condition that also can not appear deflecting, thereby can polish the effect better, adopt the V-arrangement belt that has flexibility between output wheel and transmission even axle wheel, can realize elastic connection relatively, the driven rigid connection of comparison, can reduce the impact of instantaneous in the operation of polishing to complete machine and power unit's influence, this scheme compact structure is firm, convenient operation, it is convenient to maintain, has better popularization meaning.

Drawings

Fig. 1 is a schematic view of the overall structure of the preferred embodiment.

Fig. 2 is a schematic view of the internal structure of the troweling machine.

Fig. 3 is a schematic structural diagram of the spatula mechanism.

Fig. 4 is a schematic view of the internal structure of the spatula mechanism.

Fig. 5 is a schematic structural view of the pressing arm adjusting part.

Fig. 6 is a schematic structural diagram of the transmission mechanism.

Fig. 7 is another schematic view of the transmission mechanism structure.

Fig. 8 is a schematic structural diagram of the adjusting mechanism.

Detailed Description

Referring to fig. 1 and 2, a double-body seat type troweling machine comprises: framework 1, spatula mechanism 2, drive mechanism 3, adjustment mechanism 4 and power unit 5, wherein framework 1 arranges in the outside of spatula mechanism 2 with frame construction, and with the protection architecture of the side and the top of spatula mechanism 2 with the cladding, and make spatula mechanism 2 can laminate with the concrete face on ground department, power unit 3 and drive mechanism 5 have been arranged on framework 1, be used for driving spatula mechanism 2 and rotate, and realize the smoothing operation to the concrete, adjustment mechanism 3 is used for controlling the tilt angle of spatula mechanism 2, thereby realize the path control of troweling machine.

A seat 11 is arranged at the center of the top of the frame 1 for an operator to sit on, and pedals 12 are respectively arranged in front of the seat for controlling the working conditions of the power mechanism 5, the power mechanism 5 can be powered by an internal combustion engine or an electric motor, and the adjustment or control of starting, stopping, running speed and the like of the power mechanism 5 can be realized by the operator through the pedals 12.

Referring to fig. 3 and 4 and 5, the spatula mechanism 2 is divided into a left part and a right part, the left part and the right part are symmetrically structured, the left part is taken as an example for explanation, the trowelling tool disc 21 and the trowelling shaft 22, the trowelling tool disc 21 is in a horizontal cross structure, four trowelling arms 211 are arranged on the outer edge of the trowelling tool disc, the outer ends of the trowelling arms 211 are respectively connected with a trowelling tool bar 212 in a rotating way, that is, the front end of the end rod 212 is sleeved at the spatula arm 211, the spatula rod 212 is arranged in a manner of being aligned with the center line of the spatula arm 211 sleeved with the spatula rod 212, and enables the distal rod 212 to be rotated at the spatula arm 211 in a centerline-centered manner, a torsion arm 213 is connected to a side wall of the spatula shaft 212 near the end arm 211, the torsion arm 213 extends backward to the end arm 211 side, since the torque arm bolt 214 is provided at the end of the torque arm 213, the rotation of the spatula shaft 212 can be controlled by pressing down the torque arm bolt 214;

the bottom surface of the troweling rod 212 is connected with a troweling blade 215, the troweling blade 215 is rectangular, the surface of the troweling blade is smooth, and when actual troweling is performed, the main body performs surface rotation extrusion and troweling movement on concrete through the four troweling blades 215, so that the operation of leveling and troweling the concrete is achieved.

A pressure plate 221 is arranged on the spatula shaft 22 above the spatula disc 21 through a bearing sleeve, the lower edge of the pressure plate 221 can be contacted with a torque arm bolt 214, a pressure arm 222 is arranged above the pressure plate 221, the pressure arm 222 is in a fork shape, two arms at the front end of the pressure arm 222 are attached to the upper edge of the pressure plate 221, a rotating shaft is arranged in the middle of the pressure arm and connected with a framework, the pressure arm 222 can rotate around the rotating shaft, a pressure arm adjusting part 23 is connected to the rear end of the pressure arm 222, the rocker arm adjusting part 23 comprises a straight pipe 231, a sliding block 232, a pull cable 233 and a lead screw 234, the straight pipe 231 is internally provided with a smooth and flat inner wall, the sliding block 232 is in a cylindrical shape, the outer wall of the sliding block 232 can be attached to the inner wall of the straight pipe 231, the sliding block 232 can displace in the straight pipe, the inner thread is matched with the lead screw 234, the bottom of the sliding block 232 is connected with the pull cable 233, and the other end of the pull cable 233 is connected with the rear end of the pressure arm 222, the top of the screw 234 is provided with a rocker 235, and the rocker 235 is also arranged on the top of the straight pipe 231.

The side wall of the straight pipe 231 is provided with a long straight hole 236, the slider 232 is provided with five bolt holes 237 in series arrangement, the bolt holes 237 are provided with slider bolts in a matching mode, the outer end of each slider bolt extends out of the outer edge of the long straight hole 236, the slider 232 can be limited to rotate relative to the straight pipe 231 through the slider bolts, therefore, the rocker arm 235 is rotated by an operator, the slider 232 can be driven to move upwards through the lead screw 234, and the slider bolts and the slider 232 are limited in displacement distance through the long straight holes 236, so that excessive operation is prevented.

In some embodiments, the outer end of the spatula rod 212 is provided with a spatula ring 215, the spatula rod 212 and the spatula ring 216 are in a rotating connection state, and the center line of the spatula ring 216 is coincident with the center line of the spatula shaft 22, so that four spatula rods 212 can be limited in the interior of the spatula shaft, and better result strength and rotating balance can be realized.

In some embodiments, the top of the torque arm bolt 214 is a smooth circular arc structure, so that when the top of the torque arm bolt 214 contacts with the bottom of the pressure plate 221, the frictional resistance can be reduced, all the torque arm bolts 214 have the same downward stroke, and when the bottom of the pressure plate 221 contacts with a certain amount of concrete, the rotation of the torque arm bolts 214 is less affected.

In some embodiments, the cross section of the main body of the spatula rod 212 is in a regular hexagon structure, so that when the spatula blade 215 is installed through a bolt, the installation contact area can be increased, the overall installation strength can be improved, and the stability of the spatula blade 215 during working can be realized.

Referring to fig. 6 and 7, the transmission mechanism 3 includes an output wheel 31, the front end of the output wheel 31 is connected with the power mechanism 5, the frame 1 is connected with a transmission connecting shaft 32 through a bearing, the transmission connecting shaft 32 is provided with a transmission connecting shaft wheel 321, the output wheel 31 is connected with the transmission connecting shaft wheel 321 through a V-shaped belt 311, two ends of the transmission connecting shaft 32 are both provided with a first universal joint 33, the rear end of the first universal joint 33 is connected with a transmission rod 34, the rear end of the transmission rod 34 is connected with a second universal joint 35, the tail end of the second universal joint 35 is connected with a transmission 36, the transmission 36 is preferably a worm gear reducer and can convert transverse rotation into vertical rotation, an input shaft (worm) of the transmission 36 is connected with the second universal joint 35, an output shaft (worm wheel shaft) of the transmission 36 is a trowel shaft 22, so as to realize connection of the transmission 36 with the trowel mechanism 2, and the transmission 36 on the left side and the right side are in a symmetrical arrangement state, and the two trowel shafts 22 are rotated in the same direction.

In some embodiments, the outer end of the transmission connecting shaft 32 is equidistant from the left and right trowel shafts 22, that is, the lengths of the two transmission rods 34 are equivalent, so that the power output by the power mechanism 5 can be uniformly output to the two trowel mechanisms 2, the transmission loss is reduced, the two trowel mechanisms 2 can rotate at a constant speed and efficiently, and the transmission reverse torque and the transmission vibration are reduced.

In some embodiments, the outer end of the output wheel 31 is provided with a flywheel 312, which can play a role in balancing rotation and reduce the jerk of transmission.

In some embodiments, for better improvement of the balance of the transmission, the number of the bearings of the transmission connecting shaft 32 connected to the frame 1 is two, and the bearings are arranged in a left-right state, so that the transmission connecting shaft 32 can rotate and the transmission is more stable.

Referring to fig. 8, the adjusting mechanism 4 includes a first control lever 401 and a second control lever 402, the first control lever 401 and the second control lever 402 are arranged in an upright state, and are arranged in the middle of two pedals 12, so as to be convenient for an operator to use and operate, an X-axis rotating shaft 41 and a Y-axis rotating shaft 42 are arranged on a transmission 36 at the top of the left spatula mechanism 2, an X-axis rotating shaft 41 is arranged on a transmission 36 at the top of the right spatula mechanism 2, and two ends of the X-axis rotating shaft 41 and two ends of the Y-axis rotating shaft 42 are connected with the frame 1 through bearings, wherein the X-axis rotating shaft 41 realizes the left-right tilting of the spatula mechanism 2 by the X-axis rotating shaft center line, and the Y-axis rotating shaft 42 realizes the front-back tilting of the spatula mechanism 2 by the Y-axis rotating shaft center line, so as to control the adjustment of various motion states of the spatula;

the front ends of the first control rod 401 and the second control rod 402 are both connected with a cross rotating frame, so that an operator can deflect and pull the first control rod 401 or the second control rod 402 in the front-back or left-right direction, and the other end of the cross rotating frame of the first control rod 401 or the second control rod 402 is forced to move in the opposite direction;

the cross transmission frames of the first control rod 401 and the second control rod 402 are respectively connected with a first connecting rod 403 and a second connecting rod 404, the rear end of the first connecting rod 403 is connected with a first cross rod 405, the rear end of the second connecting rod 404 is connected with a second cross rod 406, the middle parts of the first cross rod 405 and the second cross rod 406 are fixed with the framework 1 through rotating shafts, and a structure similar to a lever with a pivot point in the middle is formed;

an X-axis rocker 411 and a Y-axis rocker 412 are fixedly connected to the left transmission 36, an X-axis rocker 413 is fixedly connected to the right transmission 36, the rear end of the first cross bar 405 is connected with the X-axis rocker 411 through a connecting rod, and the rear end of the second cross bar 406 is connected with the X-axis rocker 413 through a connecting rod;

when the operator pushes the first control rod 401 forward, i.e. lift the first link 403 upward, and pull the front end of the first cross rod 405 to tilt upward, so the rear end of the first cross rod 405 descends, and pull the X-axis rocker 411 to tilt downward, so the left spatula mechanism 2 is in a left-tilting state, otherwise, the operator can realize that the left spatula mechanism 2 is in a right-tilting state, and by the same reason, the operator can realize the control of the left-tilting state and the right-tilting state of the right spatula mechanism 2 by controlling the second control rod 402.

A third connecting rod 421 is arranged at the lowest end of the first control rod 401 and the second control rod 402, the third connecting rod 421 is transversely arranged and enables the first control rod 401 and the second control rod 402 to be in a transverse connection state, a fourth connecting rod 422 is transversely connected at the forefront end of the first control rod 401, the tail end of the fourth connecting rod 422 is connected with the Y-axis rocker 412 through a right-angle rod 423, and the support rod 423 is connected with the framework 1 through a rotating shaft at the right-angle bend of the support rod 423;

when an operator pushes the first control 401 or the second control rod 402 rightwards, the third connecting rod 421 and the second control rod are in a synchronous state, and under the action of the fourth connecting rod 422 and the right-angle rod 423, the left end mechanism 2 can be in a state that the front side is tilted upwards and the rear side is lowered, and the left end mechanism 2 is pushed rightwards in a reversed state and then is tilted upwards.

In some embodiments, the upper ends of the first control lever 401 and the second control lever 402 are provided with a control sleeve lever 407, and the control sleeve lever 407 is connected with the first control lever 401 and the second control lever 402 through an adjustable bolt, so that the first control lever 401 or the second control lever 402 can be conveniently mounted and dismounted, and the length adjustment function of the first control lever 401 and the second control lever 402 can be conveniently realized for different operators, so that the operation is more humanized.

In order to realize the twisting function in the connecting piece, the connecting joints in the adjusting mechanism 4 are all of ball head rod end joint bearing structures, so that the mutual interference in multi-direction movement operation can be reduced, and the operation is smoother.

In actual operation, an operator sits on the seat 11 and is positioned at the center and a higher point of the troweling machine, so that the troweling machine has a better operation view, the feet of the operator are placed on the pedals 12 and used for controlling the working condition of the power mechanism 5, the power mechanism 5 is started, the constant-speed-direction rotation state of the troweling mechanisms 2 on the left side and the right side is realized under the action of the transmission mechanism 4, when the concrete to be treated is in an uneven state, the operator rotates the rocker arm 235 on one side or two sides and enables all the troweling blades 215 in the troweling mechanisms 2 to be in an inclined-angle state, so that under the rotation action of the inclined troweling blades 215, the concrete is pressed downwards and is enabled to be in a state of being diffused all around, meanwhile, the thicker concrete is enabled to move downwards, the concrete with higher mud content is enabled to be in a surface state, and then the operator reversely rotates the pressing arm 235, the troweling blade 215 is integrally in a planar state, and when the troweling mechanism 2 rotates, the operation of leveling and troweling the surface of concrete can be realized;

in order to realize a wider range of troweling operation, an operator controls the movement path of the troweling machine through the first control rod 401 and the second control rod 402, specifically, when the troweling machine needs to move leftwards integrally, the operator tilts the first control rod 401 and the second control rod 402 leftwards, the left troweling mechanism 2 is in a rightward deflection state, the troweling blade of the left troweling mechanism 2 applies force to the rightmost side and drives the whole troweling machine to move leftwards, and otherwise, the operation of moving rightwards can be realized;

when an operator pushes the first control rod 401 and the second control rod 402 forwards, under the action of the X-axis rocker 411 and the X-axis rocker 413, the rear troweling blades 215 of the troweling mechanisms 2 on both sides contact with concrete, so that the whole troweling machine is driven to move forwards, and otherwise, the backward movement operation can be realized;

according to the same principle, when an operator pushes the first control rod 401 forwards and pulls the second control rod 402 backwards, the troweling machine can be turned to the right, otherwise, the troweling machine can be turned to the left;

the operator can realize large-area concrete plastering operation through the operation and control, and greatly improves the working efficiency and the concrete plastering quality.

In conclusion, the double-body seat type troweling machine is characterized in that an operator is arranged at the top of the troweling machine through a seat and is positioned at the center and the higher position of the troweling machine, so that the troweling machine has a better operation visual field, is driven and conveyed integrally, bears the weight of the troweling machine, improves the troweling operation efficiency, protects the periphery of the troweling mechanism by one circle through a framework, and can prevent various misoperation, so that the troweling machine is stable in structure, convenient to operate and better in troweling efficiency;

in the spatula mechanism 2, the spatula 215 rotates with the spatula disc 21 and the spatula shaft 22 as the center, and aiming at the different concrete conditions, the rotating angle of the spatula 215 can be adjusted through the pressing arm adjusting mechanism 23, so that the troweling adjusting function under various conditions or design requirements can be realized, the angle support of the spatula 215 can be well maintained through the self-locking capacity of the lead screw 234 at the pressing arm adjusting mechanism 23, so that the troweling mechanism is extremely convenient to adjust and use, the troweling blade 215 can keep better dynamic balance through the spatula ring 216 in the rotating process, and when the troweling blade 215 contacts with a larger hard block, the impact force on the current troweling blade 215 and the spatula disc 21 can be reduced, so that the whole troweling operation is smoother;

in the transmission mechanism 3, the overall structure of symmetrical balance is adopted, the structures of a transmission connecting shaft 32 with equal length on the left and right and transmission rods 34 with symmetrical sides are adopted, so that the left and right balanced transmission output by main power is realized, the rotating heights of the trowel mechanisms 2 on the two sides can be ensured to be consistent, the same amount of torque is distributed, and when the trowel machine performs linear motion, the deflection condition can not occur, so that the trowel effect is better;

in adjustment mechanism 4, wholly arrange first control lever 401 and second control lever 402 in the intermediate position of two footboards 12, accord with the operation requirement more, and reduce and press arm adjustment mechanism 23's operation interference, the operation is more nimble, simultaneously in order to make the operation accord with motion control requirement and the habitual nature of general use more, to the operation of first control lever 401 and second control lever 402, through parts such as a plurality of connecting rods or horizontal poles, realize that the operation all around corresponds with the motion control of smoothing machine, the adaptability of smoothing machine operation has greatly improved, and reduce the possibility of maloperation, so have direct high-new regulation operation function, this scheme structure is firm, it is convenient to maintain, has better popularization meaning.

Claims (5)

1. A drive mechanism of binary seat formula smoothing machine which characterized in that: the output mechanism is connected with the front end of the output wheel, the framework is connected with a transmission connecting shaft through a bearing, the transmission connecting shaft is provided with a transmission connecting shaft wheel, the output wheel is connected with the transmission connecting shaft wheel through a V-shaped belt, the two ends of the transmission connecting shaft are respectively provided with a first universal joint, the rear end of the first universal joint is connected with a transmission rod, the rear end of the transmission rod is connected with a second universal joint, the tail end of the second universal joint is connected with a speed changer, the output shaft of the speed changer is connected with a spatula shaft of the spatula mechanism, the speed changers on the left side and the right side are symmetrically arranged, and the two output shafts are in a constant-speed-direction rotating state.

2. The transmission mechanism of the double-body seat type troweling machine according to claim 1, characterized in that: the outer end of the transmission connecting shaft and the left and right trowel shafts are in an equidistant state.

3. The transmission mechanism of the double-body seat type troweling machine according to claim 2, characterized in that: the number of the bearings connected to the framework by the transmission connecting shaft is two.

4. The transmission mechanism of the double-body seat type troweling machine according to claim 1, characterized in that: and the outer end of the output wheel is provided with a flywheel.

5. The transmission mechanism of the double-body seat type troweling machine according to claim 1, characterized in that: the speed changer is a worm gear speed reducer.

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