CN112982921A - Ground troweling machine capable of hydraulically adjusting angle of troweling knife - Google Patents
Ground troweling machine capable of hydraulically adjusting angle of troweling knife Download PDFInfo
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- CN112982921A CN112982921A CN202110410761.4A CN202110410761A CN112982921A CN 112982921 A CN112982921 A CN 112982921A CN 202110410761 A CN202110410761 A CN 202110410761A CN 112982921 A CN112982921 A CN 112982921A
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- Prior art keywords
- adjusting
- spatula
- pressure plate
- trowel
- assembly
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F21/00—Implements for finishing work on buildings
- E04F21/20—Implements for finishing work on buildings for laying flooring
- E04F21/24—Implements for finishing work on buildings for laying flooring of masses made in situ, e.g. smoothing tools
- E04F21/245—Rotary power trowels, i.e. helicopter trowels
- E04F21/247—Rotary power trowels, i.e. helicopter trowels used by an operator sitting on the trowel, i.e. ride-on power trowels
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
- E01C19/42—Machines for imparting a smooth finish to freshly-laid paving courses other than by rolling, tamping or vibrating
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention relates to a ground smoothing machine capable of hydraulically adjusting the angle of a smoothing tool, which belongs to the field of ground smoothing machinery and is characterized by comprising a frame, a speed reducer assembly and a smoothing tool pressure plate assembly; the speed reducer component is connected with the spatula pressure plate component through a speed reducer output shaft; the spatula pressure plate assembly comprises a shell, a spatula frame, a spatula assembly, a connecting lever, a pressure plate and a hydraulic driving part, wherein the spatula frame is fixedly connected to an output shaft of the speed reducer; the invention has high integration degree, not only can reduce the bearing capacity of the speed reducer shell, but also can effectively protect the cutter head component and the adjusting structure, thereby avoiding the problems of deadlocking, incapability of adjusting the wiper and the like caused by concrete mortar and the like in the using process.
Description
Technical Field
The invention relates to the technical field of ground finishing machinery, in particular to a ground finishing machine capable of hydraulically adjusting the angle of a trowel.
Background
In concrete construction, such as highway pavement, factory floor, airport and floor construction, the construction surface needs to be screeded to improve the compactness and wear resistance of the concrete surface.
The ground surface finishing machine mainly comprises a frame, an engine, a speed reducer, an adjusting screw rod assembly and a finishing knife rest assembly. The cross center of the trowelling tool rest is fixedly connected with an output shaft of the speed reducer, the speed reducer is hinged with a shifting fork, the shifting fork is of a lever structure, one end of the shifting fork is pressed on a pressure plate of the trowelling tool rest, and the other end of the shifting fork is connected with the adjusting screw rod through a steel wire rope. The adjusting screw rod is rotated to pull the steel wire rope, the shifting fork is driven to downwards jack the pressing disc, the inclination angle of the smearing piece is changed, and the effect of smearing and polishing is achieved.
Although the prior art can change the inclination of smear piece through wire rope, in the trowelling machine use, wire rope is in the state of tightening always, makes the speed reducer casing bear great pulling force always, makes speed reducer casing and inner structure appear damaging easily, and in the use one-tenth moreover, the concrete mortar that splashes is very easily lived parts parcel such as wire rope, produces wearing and tearing, card scheduling problem to cause the unable regulation of smear piece.
Among the prior art, application number is 2018202216606's utility model patent discloses a steering type troweling machine of hydraulic pressure adjustment troweling knife angle, including parts such as angle modulation pneumatic cylinder, yoke arm, angle adjusting lever, angle modulation pole base, the angle modulation pole passes through hydraulic system assembly and is connected the setting with the angle modulation pneumatic cylinder to realize that hydraulic pressure comes the angle of adjusting knife. Although the hydraulic adjusting structure avoids the use of a steel wire rope, the blade assembly of the structure and the connection mode of the hydraulic adjusting structure enable the components to be exposed in a working area, the yoke arm and the angle adjusting rod cannot be effectively protected, and splashed concrete mortar easily wraps the yoke arm, the angle adjusting rod and other components in the using process, so that the problems of abrasion, clamping and the like are caused, and the problem that the plastering piece cannot be adjusted to influence the construction progress and quality is solved.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a ground troweling machine with high integration degree and capable of hydraulically adjusting the angle of a trowel, which can reduce the bearing capacity of a speed reducer shell, and can effectively protect a cutter head component and an adjusting structure, so that the problems of blocking, non-adjustment of the trowel and the like caused by concrete mortar and the like in the using process are avoided.
The technical scheme for solving the technical problems is as follows: a ground troweling machine capable of hydraulically adjusting the angle of a trowel is characterized by mainly comprising a frame, a speed reducer assembly and a trowel pressure plate assembly;
the speed reducer assembly and the spatula pressure plate assembly are arranged on the frame, and the speed reducer assembly is connected with the spatula pressure plate assembly through a speed reducer output shaft;
the spatula pressure disk assembly comprises a shell, a spatula frame, a spatula assembly, a connecting lever, a pressure disk and a hydraulic driving part, wherein the spatula frame is fixedly connected to an output shaft of the speed reducer, a plurality of spatula assemblies are connected to the periphery of the spatula frame, the spatula assembly can be connected with the spatula frame in a manner of rotating around the axis of the spatula assembly, the connecting lever forming a certain included angle with the spatula assembly is arranged at the inner end of the spatula assembly, the pressure disk capable of moving up and down is arranged on the upper side of the connecting lever, the pressure disk is sleeved on the output shaft of the speed reducer or the spatula frame and can be jacked by moving the pressure disk downwards to enable the spatula assembly connected with the connecting lever to rotate around the axis of the spatula assembly so as to adjust the inclination angle of the spatula assembly, the hydraulic driving part for driving the pressure disk to move downwards is arranged on the upper side of the pressure disk, the connecting lever, the pressure disk and, The hydraulic driving parts are connected.
Furthermore, at least four spatula assemblies are arranged on the spatula frame and are arranged in a circumferential array along the spatula frame.
Furthermore, the spatula assembly comprises a spatula rotating shaft and a spatula blade connected to the spatula rotating shaft, and the spatula rotating shaft is connected with the spatula frame and can rotate around the axis of the spatula frame.
Furthermore, the periphery of the spatula frame is provided with a connecting sleeve for connecting a spatula assembly, and the spatula assembly is connected in the connecting sleeve through a corresponding part.
Furthermore, a reserved space is reserved between the upper part of the inner end of the connecting sleeve and the spatula frame and used for enabling the connecting lever to extend upwards to the upper part of the connecting sleeve.
Furthermore, the front end of the crank arm is provided with an adjusting bolt which is in contact with the bottom end of the pressure plate.
Furthermore, the hydraulic driving part comprises a pressure plate piston and a first pressure cavity which are arranged on the upper side of the pressure plate, the pressure plate piston is connected with the corresponding part of the shell through a corresponding sealing element, a pressure plate bearing is connected between the inner end of the pressure plate piston and the pressure plate, the pressure plate can rotate around the axis of the pressure plate piston, and the pressure plate piston only moves in the vertical direction in the shell;
the upper side of the pressure plate piston is provided with a first pressure cavity, the up-and-down motion of the pressure plate piston is controlled by adjusting the oil pressure in the first pressure cavity, the up-and-down motion of the pressure plate is further driven, and an oil port communicated with the first pressure cavity is formed in the outer wall of the shell.
Furthermore, the hydraulic driving part is connected with a hydraulic adjusting assembly through a corresponding pipeline, the hydraulic adjusting assembly comprises an adjusting cylinder barrel, a cylinder plug, an adjusting piston, an adjusting screw rod and a driving piece, the adjusting piston is arranged in the adjusting cylinder barrel and is connected with the adjusting cylinder barrel through a piston sealing piece I, the adjusting cylinder barrel is divided into an oil storage cavity and a second pressure cavity by the piston sealing piece I, the bottom end of the adjusting cylinder barrel is provided with the cylinder plug communicated with the hydraulic driving part, the second pressure cavity is arranged between the bottom end of the adjusting piston and the cylinder plug, the upper part of the adjusting piston is provided with an internal thread and is connected with the adjusting screw rod, an external thread matched with the adjusting piston is arranged outside the adjusting screw rod, the upper part of the adjusting screw rod is connected with the adjusting cylinder barrel through a corresponding bearing, and the outer end of.
Furthermore, the driving piece adopts a crank structure.
Furthermore, adjust the inside toper annular groove that is equipped with of cylinder, after adjusting piston rebound and crossing this toper annular groove, second pressure chamber and oil storage chamber intercommunication in the regulation cylinder prevent to cause the pressure oil to reduce because of the leakage of second pressure chamber, guarantee that the second pressure chamber has sufficient oil mass to change the inclination of wiper.
The invention has the beneficial effects that: according to the invention, through the arrangement of the shell, the pressure plate, the crank arm and the spatula frame and the specific connection relationship among the shell, the pressure plate, the crank arm, the spatula frame and the like are arranged in the shell of the spatula pressure plate assembly, and meanwhile, the pressure plate is pushed to move downwards through the delivery of hydraulic oil to act on the crank arm, so that the inclination angle of the spatula blade is adjusted; compared with the prior art, the structure has high integration degree, can effectively prevent the damage of mud, mortar and the like to parts, and is more reliable, durable and not easy to damage. Simultaneously, pressure disk piston and pressure disk are under the effect of hydraulic oil, apply the effort between casing and the pressure disk piston, have avoided the direct atress of speed reducer, have protected the speed reducer effectively, have reduced the risk that the speed reducer takes place the damage.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of another embodiment of the present invention;
FIG. 3 is a schematic front view of the present invention;
FIG. 4 is a schematic side view of the present invention;
FIG. 5 is a perspective view of the spatula platen assembly of the invention;
FIG. 6 is a schematic cross-sectional view of the spatula platen assembly of the present invention;
FIG. 7 is a schematic view of the spatula platen assembly of the present invention, except for the housing;
FIG. 8 is a schematic view of the spatula platen assembly of the present invention, except for the housing and platen;
fig. 9 is a perspective view of the spatula assembly of the invention;
FIG. 10 is a side elevational schematic view of the spatula assembly of the invention;
FIG. 11 is a cross-sectional structural schematic of the hydraulic adjustment assembly of the present invention;
in the figure: 1. the hydraulic control device comprises a frame, 2, an engine assembly, 3, a speed reducer assembly, 31, a speed reducer output shaft, 4, a spatula pressure plate assembly, 41, a shell, 410, an oil port, 411, a shell sealing piece, 42, a spatula head, 421, a connecting sleeve, 422, a sleeve sealing piece, 43, a spatula assembly, 431, a spatula rotating shaft, 432, a spatula blade, 44, a crank arm, 441, an adjusting bolt, 45, a pressure plate, 451, a pressure plate bearing, 46, a hydraulic driving part, 461, a pressure plate piston, 462, a first pressure cavity, 463, a piston sealing piece II, 464, a piston sealing piece III, 5, a hydraulic adjusting assembly, 51, an adjusting cylinder barrel, 52, a cylinder plug, 53, an adjusting piston, 54, an adjusting screw rod, 540, a supporting bearing, 55, a driving piece, 56, a piston sealing piece I, 57, an oil storage cavity, 58, a second pressure cavity, 59, a conical annular groove and 6 a direction control.
Detailed Description
The principles and features of this invention are described below in conjunction with examples which are set forth to illustrate, but are not to be construed to limit the scope of the invention.
As shown in fig. 1 to 11, the ground troweling machine capable of hydraulically adjusting the angle of a trowel of the present embodiment mainly includes a frame 1, an engine assembly 2, a speed reducer assembly 3, and a trowel platen assembly 4; two spatula platen assemblies 4 in the embodiment are arranged side by side below the frame;
the engine assembly 2, the speed reducer assembly 3 and the spatula platen assembly 4 are mounted on the frame 1, the engine assembly 2 is connected with the speed reducer assembly 3 through belt transmission and is used for driving the speed reducer assembly 3 to rotate, and the speed reducer assembly 3 is connected with the spatula platen assembly 4 through a speed reducer output shaft 31;
the spatula pressure plate assembly 4 comprises a shell 41, a spatula head 42, a spatula assembly 43, a crank arm 44, a pressure plate 45 and a hydraulic driving part 46,
the troweling tool holder 42 is fixedly connected to the output shaft 31 of the speed reducer, four troweling assemblies 43 are connected to the periphery of the troweling tool holder 42, the four troweling assemblies 43 are circumferentially arrayed along the troweling tool holder 42, the troweling assemblies 43 rotate along the speed reducer to perform troweling operation, the troweling assemblies 43 are connected with the troweling tool holder 42 in a manner of rotating around the axis of the troweling assemblies 43, the inner ends of the troweling assemblies 43 are provided with connecting levers 44 forming a certain included angle with the troweling assemblies 43, the upper sides of the connecting levers 44 are provided with pressing plates 45 capable of moving up and down, the pressing plates 45 are sleeved on the output shaft 31 of the speed reducer or the troweling tool holder 42, the front ends of the connecting levers 44 are provided with adjusting bolts 441 contacting the bottom ends of the pressing plates 45, the pressing plates 45 move down to press the connecting levers 44, so that the troweling assemblies 43 connected with the connecting levers 44 can rotate around the axis of the, the inclination angles of all the spatula assemblies 43 can be ensured to be the same; the upper side of the pressure plate 45 is provided with a hydraulic driving part 46 for driving the pressure plate 45 to move downwards, the crank arm 44, the pressure plate 45 and the hydraulic driving part 46 are all arranged in the shell 41, and the side end of the spatula holder 42 is connected with the inner wall of the shell through a shell sealing piece 411.
In this embodiment, the spatula assembly 43 includes a spatula rotating shaft 431 and a spatula blade 432 fixedly connected to the spatula rotating shaft 431, a connecting sleeve 421 for connecting the spatula assembly 43 is arranged on the periphery of the spatula frame 42, the spatula assembly 43 is inserted into the connecting sleeve 421 through the spatula rotating shaft 431 and connected with the spatula frame 42, the inner side of the outer end of the connecting sleeve 421 is connected with the spatula rotating shaft 431 through a corresponding sealing member, so as to ensure the sealing of the outer end of the connecting sleeve 421 and prevent foreign matters from entering to damage the spatula platen assembly 4; the spatula rotating shaft 432 is connected in the connecting sleeve 421 and can rotate around the axis of the spatula rotating shaft in the connecting sleeve 421, and in addition, a wear-resistant sleeve can be arranged on the periphery of the spatula rotating shaft 432 to prevent the shaft hole from being worn; the inner of spatula pivot 431 is fixed with connecting lever 44, form certain contained angle between connecting lever 44 and the spatula pivot 431, leave the headspace between inner upper portion of connecting sleeve 421 and spatula frame 42, be used for connecting lever 44 upwards to extend to connecting sleeve 421 top, on the one hand provide connecting lever 44 with accommodation space, on the other hand connecting lever 44 and spatula pivot 431 become certain contained angle, play limiting displacement in connecting sleeve 421, prevent the slippage of spatula pivot 431 from connecting sleeve 421, so can guarantee the fixed of spatula pivot 431 in connecting sleeve 421, can guarantee again that spatula pivot 431 can be rotatory around self axis.
The hydraulic driving part 46 of this embodiment includes a pressure plate piston 461 and a first pressure chamber 462 arranged on the upper side of the pressure plate 45, the pressure plate piston 461 is sleeved on the pressure plate 45 through a pressure plate bearing 451, the pressure plate piston 461 is connected with the corresponding part of the housing 41 through a piston seal ii 463 and a piston seal iii 464, and a closed oil chamber, i.e. the first pressure chamber 462, is formed by enclosing the upper side of the pressure plate piston 461 and the housing 41, when hydraulic oil is squeezed into the first pressure chamber 462, the pressure plate piston 461 is pushed to move downwards, and further the pressure plate 45 is pushed to move downwards, and an oil port 410 communicated with the first pressure chamber 462 is arranged on the outer wall of the housing 41; the inner end of the pressure plate piston 461 is connected with the pressure plate 45 through a pressure plate bearing 451, so that the pressure plate 45 can rotate around the axis of the pressure plate, the pressure plate piston 461 only moves in the vertical direction in the shell 41, and the pressure plate piston 461 and the corresponding sealing element do not rotate;
the hydraulic driving part 46 of the embodiment is connected with a hydraulic adjusting component 5 through a hydraulic rubber tube, and is used for inputting pressure oil to the hydraulic driving part 46, and the hydraulic adjusting component 5 is also connected to the frame 1;
the hydraulic adjusting assembly 5 comprises an adjusting cylinder 51, a cylinder plug 52, an adjusting piston 53, an adjusting screw 54 and a driving piece 55, wherein the adjusting cylinder 51 is internally provided with the adjusting piston 53, the adjusting piston 53 is provided with a piston sealing piece I56, the adjusting piston 53 is connected with the adjusting cylinder 51 through the piston sealing piece I56, the adjusting cylinder 51 is divided into an oil storage cavity 57 and a second pressure cavity 58 by the piston sealing piece I56, the bottom end of the adjusting cylinder 51 is provided with the cylinder plug 52 communicated with the hydraulic driving part 46, and the cylinder plug 52 is communicated with an oil port 410 of the hydraulic driving part 46 through a hydraulic rubber tube in the embodiment; a second pressure chamber 58 is arranged between the bottom end of the adjusting piston 53 and the cylinder plug 52, the upper end of the adjusting piston 53 is processed with internal threads, and is connected with an adjusting screw 54, the outer part of the adjusting screw 54 is provided with an external thread matched with the adjusting piston 53, the upper part of the adjusting screw 54 is connected with the adjusting cylinder 51 through a corresponding bearing, the outer end of the adjusting screw 54 is connected with a driving piece 55 for controlling the adjusting screw 54 to rotate, in the embodiment, the driving piece 55 is a crank, the driving piece 55 is shaken to rotate the adjusting screw 54, the screw transmission on the adjusting screw rod 54 drives the adjusting piston 53 to move downwards along the axial direction, so as to extrude the hydraulic oil in the second pressure chamber 58 in the hydraulic adjusting assembly 5 to the first pressure chamber 462 in the spatula pressure plate assembly 4 through the cylinder plug 52 and the oil port 410 in sequence, thereby changing the inclination angle of the spatula and achieving the effect of troweling.
When the hydraulic adjusting assembly 5 is shaken, hydraulic oil in the hydraulic adjusting assembly 5 can be squeezed into the first pressure cavity 462 of the spatula pressure plate assembly 4, so that the pressure plate 45 is pushed to move downwards; when the rocker of the hydraulic adjusting assembly 5 rotates in the opposite direction, the hydraulic oil in the first pressure chamber 462 can be pumped back into the hydraulic adjusting assembly 5, the hydraulic oil releases the pressing of the pressure plate piston 461 and the pressure plate 45, the pressing effect of the pressure plate 45 on the crank arm 44 is further released, and the inclined spatula blade 432 is rotated and leveled under the action of the self weight of the machine.
In addition, the adjusting cylinder 51 is provided with a conical annular groove 59 inside, when the adjusting piston 53 moves upwards to cross the conical annular groove 59, the second pressure chamber 58 in the adjusting cylinder 51 is communicated with the oil storage chamber 57, oil can be supplied to the second pressure chamber 58 from the oil storage chamber 57, pressure oil in the pressure chambers is prevented from being reduced due to leakage of the second pressure chamber 58, the first pressure chamber 462 or an oil path, and therefore sufficient oil quantity is kept in each pressure chamber.
The ground smoothing machine of this embodiment still includes direction control assembly 6, and direction control assembly 6 and hydraulic pressure adjusting part 5 are fixed in the frame, convenient operation with adjust at any time, through controlling direction control assembly 6, can realize advancing of smoothing machine and retreat.
Claims (10)
1. A ground troweling machine capable of hydraulically adjusting the angle of a trowel is characterized by mainly comprising a frame (1), a speed reducer assembly (3) and a trowel pressure plate assembly (4), wherein the speed reducer assembly (3) and the trowel pressure plate assembly (4) are installed on the frame (1), and the speed reducer assembly (3) is connected with the trowel pressure plate assembly (4) through a speed reducer output shaft (31);
the spatula pressure plate assembly (4) comprises a shell (41), a spatula frame (42), a spatula assembly (43), a connecting lever (44), a pressure plate (45) and a hydraulic driving part (46), wherein the spatula frame (42) is fixedly connected to the output shaft (31) of the speed reducer, a plurality of spatula assemblies (43) are connected to the periphery of the spatula frame (42), the spatula assemblies (43) are connected with the spatula frame (42) in a manner of rotating around the axis of the spatula assembly, the connecting lever (44) forming a certain included angle with the spatula assembly (43) is arranged at the inner end of each spatula assembly (43), the pressure plate (45) capable of moving up and down is arranged on the upper side of each connecting lever (44), the pressure plate (45) is sleeved on the output shaft (31) or the spatula frame (42) of the speed reducer, the connecting lever (44) can be jacked by downward movement of the pressure plate (45), so that the spatula assembly (43) connected with the connecting lever (44) can rotate, and then adjust the inclination of spatula subassembly (43), pressure disk (45) upside is provided with and is used for driving pressure disk (45) hydraulic drive portion (46) that move down, crank arm (44), pressure disk (45), hydraulic drive portion (46) all set up in casing (41), and casing (41) inner wall links to each other with spatula frame (42), hydraulic drive portion (46) through corresponding sealing member respectively.
2. A floor troweling machine with hydraulically adjustable trowel angle according to claim 1, characterized in that at least four trowel assemblies (43) are mounted on the trowel holder (42) and are arrayed along the circumference of the trowel holder (42).
3. A floor troweling machine with hydraulically adjustable trowel angle according to claim 1 or 2, characterized in that the trowel assembly (43) comprises a trowel rotating shaft (431) and a trowel blade (432) connected to the trowel rotating shaft (431), and the trowel rotating shaft (431) is connected with the trowel frame (42) and can rotate around the axis thereof.
4. A floor trowel with hydraulically adjustable trowel angle according to claim 1 or 3, characterized in that the trowel holder (42) is peripherally provided with a connection sleeve (421) for connecting a trowel assembly (43), the trowel assembly (43) being connected inside the connection sleeve (421) by means of corresponding parts.
5. A floor troweling machine with hydraulically adjustable trowel angle according to claim 4, characterized in that a reserved space is left between the upper part of the inner end of the connecting sleeve (421) and the troweling head (42) for the connecting lever (44) to extend upward above the connecting sleeve (421).
6. A floor trowel with hydraulically adjustable trowel angle according to claim 1 or 5, characterized in that the front end of the crank arm (44) is provided with an adjusting bolt (441) that contacts the bottom end of the pressure plate (45).
7. A floor troweling machine capable of hydraulically adjusting the angle of a spatula according to claim 1, characterized in that the hydraulic driving part (46) comprises a pressure plate piston (461) and a first pressure chamber (462) which are arranged on the upper side of a pressure plate (45), the pressure plate piston (461) is connected with a corresponding part of the housing (41) through a corresponding sealing element, a pressure plate (45) bearing is connected between the inner end of the pressure plate piston (461) and the pressure plate (45), so that the pressure plate (45) can rotate around the axis of the pressure plate (45), and the pressure plate piston (461) moves only in the up-and-down direction in the housing (41);
the upper side of the pressure plate piston (461) is provided with a first pressure cavity (462), the pressure plate piston (461) is controlled to move up and down by adjusting the oil pressure in the first pressure cavity (462), so that the pressure plate (45) is driven to move up and down, and the outer wall of the shell (41) is provided with an oil port (410) communicated with the first pressure cavity (462).
8. The ground troweling machine capable of hydraulically adjusting the angle of the trowel according to claim 1 or 7, characterized in that the hydraulic driving part (46) is connected with a hydraulic adjusting assembly (5) through a corresponding pipeline, the hydraulic adjusting assembly (5) comprises an adjusting cylinder (51), a cylinder block (52), an adjusting piston (53), an adjusting screw (54) and a driving part (55), the adjusting cylinder (51) is internally provided with the adjusting piston (53), the adjusting piston (53) is connected with the adjusting cylinder (51) through a piston sealing part I (56), the piston sealing part I (56) divides the adjusting cylinder (51) into an oil storage chamber (57) and a second pressure chamber (58), the bottom end of the adjusting cylinder (51) is provided with the cylinder block (52) communicated with the hydraulic driving part (46), and a second pressure chamber (58) is arranged between the bottom end of the adjusting piston (53) and the cylinder block (52), the upper portion of adjusting piston (53) is provided with the internal thread to be connected with adjusting screw (54), and adjusting screw (54)'s outside is provided with the external screw thread with adjusting piston (53) looks adaptation, and adjusting screw (54)'s upper portion links to each other with adjusting cylinder (51) through corresponding bearing, and adjusting screw (54)'s outer end is connected with and is used for controlling adjusting screw (54) pivoted driving piece (55).
9. A floor trowel with hydraulically adjustable trowel angle as claimed in claim 8, characterized in that the driving member (55) is of crank construction.
10. A floor troweling machine with hydraulically adjustable trowel angle according to claim 8, characterized in that a tapered annular groove (59) is provided inside the adjusting cylinder (51), and when the adjusting piston (53) moves upward beyond the tapered annular groove (59), the second pressure chamber (58) inside the adjusting cylinder (51) communicates with the oil storage chamber (57).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110410761.4A CN112982921A (en) | 2021-04-16 | 2021-04-16 | Ground troweling machine capable of hydraulically adjusting angle of troweling knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110410761.4A CN112982921A (en) | 2021-04-16 | 2021-04-16 | Ground troweling machine capable of hydraulically adjusting angle of troweling knife |
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| Publication Number | Publication Date |
|---|---|
| CN112982921A true CN112982921A (en) | 2021-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110410761.4A Pending CN112982921A (en) | 2021-04-16 | 2021-04-16 | Ground troweling machine capable of hydraulically adjusting angle of troweling knife |
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| CN (1) | CN112982921A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482494A (en) * | 2022-01-29 | 2022-05-13 | 南京工业大学 | Spatula angle adjusting device for wear-resisting floor plastering robot |
| CN114541713A (en) * | 2022-01-29 | 2022-05-27 | 江苏应泰智能建设机械研究院有限公司 | Material scattering device for wear-resistant floor finishing robot |
| CN115030456A (en) * | 2022-04-29 | 2022-09-09 | 国网山东省电力公司寿光市供电公司 | Fireproof mud plugging and tamping tool and method |
| CN117779582A (en) * | 2024-02-27 | 2024-03-29 | 山东泰和城建发展有限公司 | Construction device for pavement splicing and repairing |
-
2021
- 2021-04-16 CN CN202110410761.4A patent/CN112982921A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114482494A (en) * | 2022-01-29 | 2022-05-13 | 南京工业大学 | Spatula angle adjusting device for wear-resisting floor plastering robot |
| CN114541713A (en) * | 2022-01-29 | 2022-05-27 | 江苏应泰智能建设机械研究院有限公司 | Material scattering device for wear-resistant floor finishing robot |
| CN115030456A (en) * | 2022-04-29 | 2022-09-09 | 国网山东省电力公司寿光市供电公司 | Fireproof mud plugging and tamping tool and method |
| CN117779582A (en) * | 2024-02-27 | 2024-03-29 | 山东泰和城建发展有限公司 | Construction device for pavement splicing and repairing |
| CN117779582B (en) * | 2024-02-27 | 2024-04-26 | 山东泰和城建发展有限公司 | Construction device for pavement splicing and repairing |
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