CN107190958B

CN107190958B - Troweling machine

Info

Publication number: CN107190958B
Application number: CN201710386725.2A
Authority: CN
Inventors: 吴云舟
Original assignee: Shanghai Jiezhou Engineering & Mechanism Co ltd
Current assignee: Shanghai Jiezhou Engineering & Mechanism Co ltd
Priority date: 2017-05-26
Filing date: 2017-05-26
Publication date: 2020-06-02
Anticipated expiration: 2037-05-26
Also published as: CN107190958A

Abstract

The invention discloses a troweling machine which comprises a chassis, a driving seat arranged above the chassis, an engine arranged on the chassis, troweling mechanisms respectively arranged at two sides of the chassis and symmetrically arranged by taking the center line of the driving seat as an axis, and a transmission mechanism connected between the engine and the troweling mechanisms, the smear mechanisms are all connected with mounting seats, the mounting seats are rotationally connected to the chassis, the rotational axial direction of the mounting seats is vertical to a connecting line between the two mounting seats, the mounting seats are all connected with swing rods, the chassis is hinged with straight-moving oil cylinders which are in one-to-one correspondence with the swing rods, the piston rods of the straight oil cylinders are hinged at one end of the swing rod, which is far away from the mounting seat, the driving seat is provided with operating handles which are in one-to-one correspondence with the straight oil cylinders, the chassis is provided with a hydraulic oil tank communicated with the straight oil cylinder, and the operating handle controls the straight oil cylinder to feed oil or discharge oil. The invention provides a troweling machine which can reduce labor intensity.

Description

Troweling machine

Technical Field

The invention relates to concrete pavement processing equipment, in particular to a troweling machine.

Background

The troweling machine is also called as a light collecting machine, and the main structure of the troweling machine is a troweling knife rotor driven by a gasoline engine, and a troweling knife is arranged on the bottom surface of a cross in the middle of the rotor. The machine is a rough and fine concrete surface finishing machine, the surface constructed by the machine is smoother and smoother than the surface constructed manually, and the compactness and the wear resistance of the concrete surface can be greatly improved. 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.

The patent document of Chinese patent publication No. CN204081421U discloses a driving type troweling machine, which comprises a base, wherein a seat is arranged on the base, at least two vertical shaft assemblies are connected with the base in a swinging mode, and the vertical shaft assemblies are symmetrically arranged by taking the center line of the seat as an axis; the bottom end of the vertical shaft assembly is provided with a disc or a plurality of polished sections, and the driving device is connected with the vertical shaft assembly through a transmission mechanism and drives the vertical shaft to rotate; an operating rod for driving the vertical shaft assembly to swing is also arranged.

According to the technical scheme, an operator sits on the seat, the operation rod is operated to control the whole device to move forwards or backwards, the operation rod controls and adjusts the inclination angle of the vertical shaft through the transmission plate, the connecting rod, the rotary joint and the swing rod, the driving mode needs the operator to repeatedly swing the operation rod in the driving process, and therefore the labor intensity of the operator can be increased.

Disclosure of Invention

The invention aims to provide a troweling machine, which utilizes a control handle to control the oil inlet or the oil outlet of a straight oil cylinder, thereby realizing the forward or backward movement of the whole equipment and reducing the labor intensity in the operation process.

The technical purpose of the invention is realized by the following technical scheme: the utility model provides a troweling machine, includes the chassis, sets up in the driver's seat of chassis top, installs in the engine on chassis, install respectively in the chassis both sides and use the central line of driver's seat as the wiper mechanism of axis symmetry setting, connect in the drive mechanism between engine and wiper mechanism, wiper mechanism all is connected with the mount pad, the mount pad rotates to be connected in the chassis, the line between the axis of rotation of mount pad and two mount pads is perpendicular setting, the mount pad all is connected with the pendulum rod, the chassis articulates the straight hydro-cylinder with the pendulum rod one-to-one, straight hydro-cylinder piston rod articulates and keeps away from mount pad one end in the pendulum rod, the driver's seat is equipped with the operating handle with straight hydro-cylinder one-to-one, the chassis is equipped with the hydraulic tank that is linked together with straight hydro-cylinder, operating handle control straight hydro-.

By adopting the technical scheme, in the working process of the troweling machine, when the control equipment needs to move forwards or backwards, the gravity centers of the two groups of troweling mechanisms need to be changed, at the moment, the force borne by the troweling mechanisms can generate a friction force with the ground, the magnitude of the friction force borne by the two groups of troweling mechanisms can be changed, the forward and backward movement or the steering movement of the whole equipment can be realized, at the moment, an operating handle is respectively utilized to match one group of troweling mechanisms, when the control equipment needs to move, the oil outlet or inlet of the straight oil cylinder can be controlled through the operating handle, when the straight oil cylinder is in oil inlet or outlet, a piston rod of the straight oil cylinder can drive the whole mounting seat and the troweling mechanisms connected with the mounting seat to rotate for a certain angle through the swing rod, when the troweling mechanisms are under the acting force of the straight oil cylinder, the gravity centers of the troweling mechanisms can be changed, so, and then can rely on the magnitude of the force that receives on two sets of smear slice mechanisms and realize the whole apparatus advances, retreats or turns to, in the operation process, have saved the existing connecting rod, need not to swing the action bars by a wide margin, the driving method of the straight-going hydro-cylinder has lightened intensity of labour, make the change of the centre of gravity of mount pad more convenient, can be more laborsaving in the operation process, also can make the course of motion more stable.

The invention is further configured to: three-position four-way reversing valves are arranged between the two straight-moving oil cylinders and the hydraulic oil tank, and pilot valves are connected between the two operating handles and one of the three-position four-way reversing valves.

Through adopting above-mentioned technical scheme, rely on operating handle to control the play oil and the oil feed of pilot valve to just can make the valve rod motion in the tribit four-way switching-over valve, make tribit four-way switching-over valve change different positions as required, and then realize the oil feed or the play oil to the straight line hydro-cylinder, in the course of the work of equipment, only need the staff just can realize the motion of mount pad and smear mechanism through swing operating handle, just also realized the motion of whole platform equipment, operating handle's control is laborsaving and convenient.

The invention is further configured to: the chassis is connected with and is the vertically straight pivot with the line between the mount pad one-to-one and axial and two mount pads, straight pivot radial fixation has the mounting bracket, the mount pad is connected in the mounting bracket.

Through adopting above-mentioned technical scheme, when the pendulum rod received the thrust or the pulling force of craspedodrome hydro-cylinder, the pendulum rod will take the mount pad on the mounting bracket to do the motion round craspedodrome pivot, makes the smear mechanism on the mount pad also can be rotary motion round craspedodrome pivot, and then accomplishes the change to smear mechanism focus.

The invention is further configured to: one of them the mounting bracket rotates and is connected with the axial and is the vertically pivot of violently going with the straight pivot axial, one of them the mount pad is radial fixed and is connected with the bull stick with the pivot of violently going, the chassis articulates there is the violently going hydro-cylinder, violently going hydro-cylinder piston rod articulates in the bull stick and drives the mount pad and do the rotation round the pivot of violently going.

Through adopting above-mentioned technical scheme, in order to promote the variety and the flexibility of trowelling machine motion in the course of the work, thereby utilize the horizontal hydro-cylinder to drive the change that the bull stick drove whole mount pad and do certain angle round the horizontal pivot, when the mount pad rotates round the central axial of horizontal pivot, then can change the focus of this smear mechanism to also can produce one along the axial frictional force of horizontal pivot, and then make whole equipment can do along the axial of horizontal pivot and remove.

The invention is further configured to: and a three-position four-way hydraulic valve is arranged between the transverse oil cylinder and the hydraulic oil tank, and one of the three-position four-way hydraulic valves is controlled by the operating handle to realize oil inlet or oil outlet of the transverse oil cylinder.

Through adopting above-mentioned technical scheme, utilize the swing of one of them handle, can the work of direct control tribit four-way hydrovalve to just can realize the control of oil feed or producing oil to the violently walking hydro-cylinder, also concentrate on one of them operating handle with the violently walking about equipment, make staff's driving process more convenient, also can reduce intensity of labour.

The invention is further configured to: the pendulum rod all articulates there is the regulation hydro-cylinder, smear mechanism includes by the rotatory mounting disc of drive mechanism drive, along a plurality of pivots of the even setting of mounting disc circumferencial direction, radially be fixed in the smear piece of pivot, the regulation hydro-cylinder drives a plurality of smear pieces and does the rotation around its pivot axial that connects simultaneously.

Through adopting above-mentioned technical scheme, when the piston rod of adjusting the hydro-cylinder stretches out or retracts, just can directly take all smears to do the rotation of doing certain angle round the axial of the pivot rather than being connected, because when thick smearing or the fine smearing, or carry thick liquid, trowel different terraces, concrete hardness is not temporary, just needs the angle of adjusting the smears to satisfy different processing demands, only needs control adjusting the hydro-cylinder then can accomplish the operation this moment, makes this process also more convenient.

The invention is further configured to: the mounting seat rotates and is connected with the shift fork, adjusting cylinder piston rod articulates in shift fork one end, pivot one-to-one and radially fixed with the driving lever, the mounting disc slides along its central axial and is connected with the adjustment disk, the one end that adjusting cylinder was kept away from to the shift fork is contradicted in the adjustment disk upper surface, the adjustment disk deviates from shift fork one side surface and contradicts in the driving lever and keeps away from pivot one end.

Through adopting above-mentioned technical scheme, when the one end of shift fork received the pulling force of adjusting cylinder piston rod, contradict and just can receive the effort and play the effect of pushing down to each driving lever in the adjusting disk that the shift fork kept away from the adjusting cylinder other end to utilize the lever effect that the driving lever formed and drive the pivot and rotate, and then realize the regulation of smear angle.

The invention is further configured to: and a three-position four-way valve is arranged between the adjusting oil cylinders and the hydraulic oil tank, the two adjusting oil cylinders are provided with oil inlets communicated with each other and oil outlets communicated with each other, and the oil inlets and the oil outlets are both communicated with the three-position four-way valve.

Through adopting above-mentioned technical scheme, rely on a tribit cross valve, can two adjusting cylinder piston rod's of simultaneous control stretch out or indentation to the smear angle that makes the smear mechanism of bilateral symmetry keeps the same, and then makes the floating effect that two sets of smear mechanisms reach can keep unanimous, avoids leading to the fact floating effect variation because of the smear angle difference of two sets of smear mechanisms.

The invention is further configured to: and a hydraulic lock is arranged between the three-position four-way valve and the adjusting oil cylinder, and the hydraulic lock is communicated with the oil inlet and the oil outlet.

Through adopting above-mentioned technical scheme, rely on the hydraulic pressure lock to pin the return circuit, do not let return circuit fluid have the flow, can guarantee to adjust the hydro-cylinder and still can keep its position motionless under the condition that receives external load to after accomplishing the regulation of certain angle to the smear piece, utilize the hydraulic pressure lock to make the stability that keeps adjusting the hydro-cylinder, and then just also kept the stability of smear piece, make the smear piece can not take place to rotate voluntarily, promoted floating effect.

In conclusion, the invention has the following beneficial effects: the operation handles are pushed in different directions, and the operation force of the operation handles on two sides is controlled, so that the whole equipment can move forwards, backwards, transversely move left and right or turn, a connecting rod in a transmission mechanism is omitted, a manual mode is changed into a hydraulic driving mode, the labor intensity in the operation process is reduced, and the operation is more convenient for operators.

Drawings

FIG. 1 is a schematic view of the front part of the present embodiment;

FIG. 2 is a schematic structural view of the rear part of the present embodiment;

FIG. 3 is a partial cross-sectional view of the present embodiment, primarily intended to embody a one-way, two-way mounting assembly;

fig. 4 is a schematic structural diagram of the embodiment mainly used for embodying the smear mechanism;

fig. 5 is a schematic structural diagram of the present embodiment, which is mainly used for embodying the wiper adjusting mechanism;

FIG. 6 is a schematic view of a partial structure of the present embodiment mainly used for embodying the rotary rod;

FIG. 7 is a hydraulic diagram of the embodiment mainly used for embodying a straight cylinder;

FIG. 8 is a hydraulic diagram of the present embodiment, which is mainly used to embody a traverse cylinder;

FIG. 9 is a hydraulic diagram of the present embodiment, which is mainly used to embody the adjusting cylinder;

fig. 10 is a schematic view showing the direction of the frictional force acting between the wiper and the ground according to the present embodiment.

Reference numerals: 1. a chassis; 2. a driver seat; 3. an engine; 4. a smear mechanism; 41. mounting a disc; 42. a rotating shaft; 43. smearing pieces; 5. a transmission mechanism; 51. a drive shaft; 52. a belt pulley; 6. a mounting seat; 7. a swing rod; 8. a straight-moving oil cylinder; 9. an operating handle; 10. a hydraulic oil tank; 11. a three-position four-way reversing valve; 12. a pilot valve; 13. a straight rotating shaft; 14. a mounting frame; 15. a transverse rotating shaft; 16. a rotating rod; 17. a transverse moving oil cylinder; 18. a three-position four-way hydraulic valve; 19. adjusting the oil cylinder; 20. a shifting fork; 201. a fork portion; 202. a handle; 21. a deflector rod; 22. an adjusting disk; 23. a three-position four-way valve; 24. an oil inlet; 25. an oil outlet; 26. hydraulic locking; (ii) a 27. Mounting a plate; 28. a universal coupling; 29. abutting against the bolt; 30. controlling a hydraulic pump; 31. a transverse pilot valve; 32. a main hydraulic pump; 33. an adjusting plate; 34. a unidirectional installation assembly; 35. and (4) a bidirectional mounting assembly.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A troweling machine is shown by combining with figures 1-2 and comprises a cuboid chassis 1, wherein a driver seat 2 is fixedly arranged in the middle above the chassis 1; a gasoline engine 3 is arranged below the driver seat 2 on the chassis 1; the two sides of the bottom of the chassis 1 are symmetrically provided with the smearing mechanisms 4 by taking the center line of the driver seat 2 as an axis, and the engine 3 provides power for the smearing mechanisms 4 to continuously rotate so as to achieve a floating effect on the ground.

Referring to fig. 3, a unidirectional mounting assembly 34 and a bidirectional mounting assembly 35 are respectively arranged on two sides of the chassis 1 corresponding to the two wiper mechanisms 4; the unidirectional installation assembly 34 comprises a straight rotating shaft 13 which is rotatably connected to the chassis 1 and is vertical to the connecting line of the two smearing pieces 4 in the axial direction, an installation frame 14 is radially fixed on the straight rotating shaft 13, a cuboid installation seat 6 is fixedly connected to the installation frame 14 through a bolt, and the bottom of the installation seat 6 is connected to one smearing piece 4.

The bidirectional mounting assembly 35 also comprises a straight rotating shaft 13 which is rotatably connected to the chassis 1 and is axially vertical to the connecting line of the two smearing mechanisms 4; the mounting frame 14 is radially fixed on the straight rotating shaft 13, the mounting frame 14 is rotatably connected with a transverse rotating shaft 15 which is vertical to the straight rotating shaft 13 in the axial direction, an I-shaped mounting plate 27 is radially fixed on the transverse rotating shaft 15, the mounting plate 27 is also fixedly connected with a cuboid mounting seat 6 through bolts, and the bottom of the mounting seat 6 is connected with another smearing mechanism 4.

As shown in fig. 3-4, a reducer is installed in the mounting seat 6, an input shaft of the reducer is inserted into an end surface of the mounting seat 6 facing the engine 3, and an output shaft of the reducer is inserted into a lower end surface of the mounting seat 6 and connected to the smearing mechanism 4; in order to drive the smearing mechanism 4 to rotate continuously, a transmission mechanism 5 is arranged between the engine 3 and an input shaft of the speed reducer through a clutch; the transmission mechanism 5 comprises a transmission shaft 51 which is axially parallel to the transverse rotating shaft 15, and the transmission shaft 51 receives the torque output by the clutch through a belt pulley 52 and a triangle belt which are radially fixed with the transmission shaft 51; both ends at transmission shaft 51 all are connected with a universal joint 28, and the one end that universal joint 28 kept away from transmission shaft 51 is connected in the input shaft that the mount pad 6 lateral wall stretches out to the realization is to swabbing mechanism 4's drive, and realizes the antiport of both sides smear piece 43.

Smearing piece mechanism 4 includes that the output shaft that is radial fixed mounting disc 41 with the 6 bottom surfaces of mount pad, evenly is provided with four pivot 42 along its circumferencial direction at the outer wall of mounting disc 41, and four pivot 42 rotate to be connected in mounting disc 41, and all be the flaky piece 43 of smearing of cuboid through bolt fixedly connected with in every pivot 42. In order to meet the floating requirements of different floors in the floating process, a floating piece adjusting mechanism for adjusting the angle of the floating piece 43 is arranged on the bottom surface of the mounting seat 6.

As shown in fig. 3 and 5, the spatula adjusting mechanism comprises a shifting fork 20, the shifting fork 20 comprises a fork part 201 and a handle part 202 which are integrally formed, and the joint of the fork part 201 and the handle part 202 is rotatably connected to the mounting seat 6; one end of the handle part 202, which is far away from the fork part 201, is connected with an adjusting oil cylinder 19, an output shaft of the adjusting oil cylinder 19 is arranged downwards, an output shaft of the adjusting oil cylinder 19 is hinged to the handle part 202, and a cylinder body of the adjusting oil cylinder 19 is hinged to the side wall of the mounting seat 6; an adjusting disc 22 is connected to the output shaft on the bottom surface of the mounting seat 6 in a sliding manner along the axial direction of the output shaft, and the adjusting disc 22 and the output shaft are fixed in a radial direction, so that the adjusting disc 22 can rotate along with the mounting disc 41 and still can slide up and down along the central axial direction of the mounting disc 41; by means of the adjusting disc 22 capable of sliding up and down, a shifting lever 21 is fixedly connected to the outer wall of each rotating shaft 42, the shifting lever 21 is in an L shape, one end, far away from the rotating shaft 42, of the shifting lever 21 is fixedly connected with a contact bolt 29, the contact bolt 29 contacts the lower surface of the adjusting disc 22, the center of gravity of a whole formed by the wiping sheet 43, the rotating shaft 42 and the shifting lever 21 is located on one side, far away from the shifting lever 21, of the wiping sheet 43, and therefore when the adjusting cylinder 19 drives the shifting fork 20 to rotate and enable the shifting fork 20 to be separated from the upper surface of the adjusting disc 22, the wiping sheet.

As shown in fig. 3 and 5, in order to realize the forward movement, backward movement, steering and transverse movement of the whole device in the floating process, the gravity center of the two side floating mechanisms 4 needs to be changed; in order to realize advancing and retreating, the side walls of the mounting seats 6 on the two sides are fixedly connected with a swing rod 7 through bolts; one end of the swing rod 7, which is far away from the mounting seat 6, extends towards the center of the chassis 1 along the direction vertical to the straight rotating shaft 13; and the position of the bottom of the chassis 1 close to the center thereof is hinged with a straight-moving oil cylinder 8 with an output shaft arranged downwards, the output shaft of the straight-moving oil cylinder 8 is hinged with one end of the swing rod 7 far away from the mounting seat 6, and when the output shaft of the straight-moving oil cylinder 8 extends out or retracts, the swing rod 7 drives the whole mounting seat 6 to swing around the central axial direction of the straight-moving rotating shaft 13 by a certain angle.

Referring to fig. 6, in order to realize left and right traverse, a rotating rod 16 is fixedly connected to a mounting seat 6 connected to a traverse rotating shaft 15 through a bolt, one end of the rotating rod 16 far away from the mounting seat 6 extends to the rear of a chassis 1 along a direction perpendicular to the axial direction of the traverse rotating shaft 15, a traverse cylinder 17 with an output shaft arranged downwards is hinged to the position of the chassis 1 close to the rear, an output shaft of the traverse cylinder 17 is hinged to one end of the rotating rod 16 far away from the mounting seat 6, and when the output shaft of the traverse cylinder 17 extends out or retracts, the rotating rod 16 drives the whole mounting seat 6 to swing at a certain angle around the axial direction of the traverse rotating shaft 15.

Referring to fig. 7, in order to facilitate the operator to control the straight oil cylinder 8 to enter or exit oil during the working process; the straight cylinders 8 on two sides are communicated with a three-position four-way reversing valve 11, oil inlets and oil outlets of the straight cylinders 8 are communicated with working oil ports of the three-position four-way reversing valve 11, so that the moving direction of piston rods of the straight cylinders 8 can be changed after reversing, the oil inlets of the two three-position four-way reversing valves 11 are communicated with a main hydraulic pump 32, the oil outlets of the two three-position four-way reversing valves 11 are communicated with a hydraulic oil tank 10, the main hydraulic pump 32 is communicated with the hydraulic oil tank 10 and an engine 3, so that hydraulic oil in the hydraulic oil tank 10 can enter the three-position four-way reversing valve 11 by means of the engine 3, in order to control the three-position four-way reversing valve 11 to realize oil inlet or outlet of the straight cylinders 8, two ends of valve rods inside the three-position four-way reversing valve 11 are communicated with a pilot valve 12, oil inlets of, the oil outlet of the pilot valve 12 is communicated with the hydraulic oil tank 10, so that the motion of a valve rod in the three-position four-way reversing valve 11 can be realized by controlling the pilot valve 12, and the three-position four-way reversing valve 11 is reversed to realize oil inlet and oil outlet of the straight oil cylinder 8.

Referring to fig. 8, in order to feed oil into and discharge oil from the traverse cylinder 17, the traverse cylinder 17 is communicated with a three-position four-way hydraulic valve 18, an oil inlet and an oil outlet of the traverse cylinder 17 are communicated with a working oil port of the three-position four-way hydraulic valve 18, an oil inlet of the three-position four-way hydraulic valve 18 is communicated with the same main hydraulic pump 32, and an oil outlet of the three-position four-way hydraulic valve 18 is communicated with the same hydraulic oil tank 10; in order to control the three-position four-way hydraulic valve 18 to feed oil into or discharge oil from the traverse cylinder 17, two ends of a valve rod inside the three-position four-way hydraulic valve 18 are communicated with a traverse pilot valve 31, an oil inlet of the traverse pilot valve 31 is communicated with the same control hydraulic pump 30, and an oil outlet of the traverse pilot valve 31 is communicated with the hydraulic oil tank 10, so that the valve rod in the three-position four-way hydraulic valve 18 can move by controlling the traverse pilot valve 31, and the three-position four-way hydraulic valve 18 feeds oil into or discharges oil from the traverse cylinder 17.

Referring to fig. 3, 7 and 8, in order to facilitate the control operation of the pilot valve 12 and the transverse pilot valve 31, two sides of the driver seat 2 are both provided with an operating handle 9, the operating handles 9 all use pilot handles, the operating handle 9 located on one side of the unidirectional mounting assembly 34 is a unidirectional pilot handle, the operating handle 9 can only rotate in a hinged manner around a direction parallel to the axial direction of the transverse rotating shaft 15, the operating handle 9 is connected to one of the pilot valves 12, the handle located on one side of the bidirectional mounting assembly 35 is a cross pilot handle, the operating handle 9 can swing in two perpendicular directions, and the swing of the operating handle 9 in two directions respectively controls one of the pilot valves 12 and the transverse pilot valve 31.

Referring to fig. 9, in order to control the oil inlet and the oil outlet of the adjusting cylinders 19, the oil inlets 24 and the oil outlets 25 of the two adjusting cylinders 19 are communicated, and the communicated oil inlets 24 and oil outlets 25 are respectively communicated with two oil outlets of a hydraulic lock 26, two oil inlets of the hydraulic lock 26 are respectively communicated with a working oil port of a three-position four-way valve 23, an oil inlet of the three-position four-way valve 23 is communicated with a main hydraulic pump 32, and an oil outlet is communicated with a hydraulic oil tank 10; in order to facilitate the operation of the adjustment cylinder 19, as shown in fig. 1, a three-position four-way valve 23 is installed on the front side of the driver's seat 2, and an adjustment plate 33 for controlling the movement of a valve stem inside the three-position four-way valve 23 is provided on the upper surface of the chassis 1.

The working principle of the implementation is as follows: forward and backward movement: the engine 3 drives the wiper 43 on the two mounting seats 6 to rotate in the opposite direction by the transmission shaft 51; when the whole equipment needs to be controlled to move forwards, backwards or turn, as shown in fig. 10, acting force F is applied to the spatula mechanisms 4 on the two sides by the action of the piston rods of the two straight cylinders 8, additional acting force generates friction forces F1 and F2 opposite to the rotating direction of the spatula 43, and if the magnitudes of F1 and F2 are equal, acceleration moving towards the right front is generated, so that the whole equipment moves forwards, and then the whole equipment can move forwards, backwards or turn by changing the magnitudes of F1 and F2.

When the whole equipment needs to be controlled to move forwards, the operating handles 9 on the two sides are pushed forwards, the operating handles 9 act on the pilot valve 12, hydraulic oil in the pilot valve 12 is led into the right side of the three-position four-way reversing valve 11, the three-position four-way reversing valve 11 guides the hydraulic oil into the straight-going oil cylinder 8, a piston rod of the straight-going oil cylinder 8 extends out, the extending-out of the piston rod of the straight-going oil cylinder 8 can generate a thrust force on the oscillating rod 7, the oscillating rod 7 is utilized to drive the whole mounting seat 6 and the piece smearing mechanism 4 to incline towards one side of the center of the whole chassis 1 around the central axial direction of the straight-going rotating shaft 13, and a friction force opposite to the rotating direction of the smearing piece 43 is generated, so that the whole equipment; when the valve needs to retreat or rotate, an operator controls the moving strokes of the valve cores in the two different pilot valves 12 through the operating handles 9 on the two sides, and then the magnitude and the direction of the friction force generated by the wiper 43 are changed.

Left-right movement: when the right operating handle 9 needs to be pushed to the right, the operating handle 9 acts on the transverse pilot valve 31, hydraulic oil in the transverse pilot valve 31 is led to the left side of the three-position four-way valve 23, the three-position four-way valve 23 leads the hydraulic oil into the transverse oil cylinder 17, a piston rod of the transverse oil cylinder 17 retracts inwards, contraction of the piston rod of the transverse oil cylinder 17 can cause a pulling force to the rotating rod 16, the rotating rod 16 is utilized to drive the whole mounting seat 6 and the smearing mechanism 4 to incline towards the front side of the whole equipment around the central axis of the transverse rotating shaft 15, a friction force opposite to the rotating direction of the smearing piece 43 is generated, the whole equipment can move to the right under the action of the force, and when the left movement is needed, the operating handle 9 is moved to the left side.

Adjusting the angle of the wiper 43: when concrete floors with different quality requirements need to be obtained, the angle of the smearing piece 43 needs to be adjusted, and the adjusting plate can drive the valve rod in the three-position four-way valve 23 by pushing or pulling the adjusting plate; when the piston rod of the adjusting cylinder 19 retracts inwards, the handle 202 of the shifting fork 20 is pulled upwards, the fork 201 of the shifting fork 20 rotates downwards, a downward pressure is applied to the adjusting disc 22 at the moment, the adjusting disc 22 applies a downward pressure to the four abutting bolts 29, and the rotating shaft 42 is driven to rotate by a lever formed by the shifting lever 21, so that the troweling sheet 43 rotates by a certain angle to meet different troweling requirements.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a troweling machine, includes chassis (1), sets up in cockpit (2) of chassis (1) top, installs in engine (3) of chassis (1), installs respectively in chassis (1) both sides and uses the central line of cockpit (2) as smear mechanism (4) that axis symmetry set up, connects drive mechanism (5) between engine (3) and smear mechanism (4), characterized by: the smearing mechanism (4) is connected with mounting seats (6), the mounting seats (6) are rotatably connected to a chassis (1), the rotating axial direction of the mounting seats (6) is perpendicular to a connecting line between the two mounting seats (6), the mounting seats (6) are connected with swing rods (7), the chassis (1) is hinged with straight-moving oil cylinders (8) which are in one-to-one correspondence with the swing rods (7), piston rods of the straight-moving oil cylinders (8) are hinged to one ends, away from the mounting seats (6), of the swing rods (7), operating handles (9) which are in one-to-one correspondence with the straight-moving oil cylinders (8) are arranged on the driver's seat (2), the chassis (1) is provided with hydraulic oil tanks (10) communicated with the straight-moving oil cylinders (8), and the operating handles (9) control the straight-moving oil cylinders (8) to take in; the swing rods (7) are hinged with adjusting oil cylinders (19), the smear mechanism (4) comprises a mounting disc (41) driven by a transmission mechanism (5) to rotate, a plurality of rotating shafts (42) uniformly arranged along the circumferential direction of the mounting disc (41), and a smear (43) radially fixed on the rotating shafts (42), and the adjusting oil cylinders (19) drive the plurality of smears (43) to axially rotate around the rotating shafts (42) connected with the adjusting oil cylinders; a three-position four-way valve (23) is arranged between the adjusting oil cylinders (19) and the hydraulic oil tank (10), the two adjusting oil cylinders (19) are provided with oil inlets (24) communicated with each other and oil outlets (25) communicated with each other, and the oil inlets (24) and the oil outlets (25) are both communicated with the three-position four-way valve (23); the mounting seat (6) is rotatably connected with a shifting fork (20), a piston rod of the adjusting oil cylinder (19) is hinged to one end of the shifting fork (20), the rotating shafts (42) are in one-to-one correspondence and are radially fixed with shifting rods (21), the mounting disc (41) is connected with an adjusting disc (22) in a sliding mode along the central axial direction of the mounting disc, one end, far away from the adjusting oil cylinder (19), of the shifting fork (20) abuts against the upper surface of the adjusting disc (22), and the surface, far away from the shifting fork (20), of one side of the adjusting disc (22) abuts against one end, far away from the rotating; the center of gravity of a whole formed by the spatula (43), the rotating shaft (42) and the shifting rod (21) is positioned on one side of the spatula (43) far away from the shifting rod (21), so that the spatula (43) can automatically restore to be horizontal when the adjusting oil cylinder (19) drives the shifting fork (20) to rotate and separate from the upper surface of the adjusting disc (22); a hydraulic lock (26) is arranged between the three-position four-way valve (23) and the adjusting oil cylinder (19), and the hydraulic lock (26) is communicated with the oil inlet (24) and the oil outlet (25); three-position four-way reversing valves (11) are arranged between the two straight-moving oil cylinders (8) and the hydraulic oil tank (10), and pilot valves (12) are connected between the two operating handles (9) and one of the three-position four-way reversing valves (11).

2. A troweling machine according to claim 1, characterized in that: chassis (1) rotate be connected with mount pad (6) one-to-one and the axial and two line between mount pad (6) are vertically straight moving pivot (13), straight moving pivot (13) radial fixation has mounting bracket (14), mount pad (6) are connected in mounting bracket (14).

3. A troweling machine according to claim 2, characterized in that: one of them mounting bracket (14) rotate be connected with the axial and be vertically horizontal pivot (15) with straight pivot (13) axial, one of them mount pad (6) are radial fixed and are connected with bull stick (16) with horizontal pivot (15), chassis (1) articulates there is horizontal hydro-cylinder (17), horizontal hydro-cylinder (17) piston rod articulates in bull stick (16) and drives mount pad (6) and do the rotation round horizontal pivot (15).

4. A troweling machine according to claim 3, characterized in that: and a three-position four-way hydraulic valve (18) is arranged between the transverse oil cylinder (17) and the hydraulic oil tank (10), and one of the three-position four-way hydraulic valve (18) is controlled by the operating handle (9) to realize oil inlet or oil outlet of the transverse oil cylinder (17).