CN220280103U - Novel labor-saving and efficient lifting adjustment system structure of engineering machinery cutting machine - Google Patents
Novel labor-saving and efficient lifting adjustment system structure of engineering machinery cutting machine Download PDFInfo
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- CN220280103U CN220280103U CN202320554865.7U CN202320554865U CN220280103U CN 220280103 U CN220280103 U CN 220280103U CN 202320554865 U CN202320554865 U CN 202320554865U CN 220280103 U CN220280103 U CN 220280103U
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Abstract
The utility model discloses a novel labor-saving and efficient lifting adjustment system structure of an engineering machinery cutting machine, which belongs to the field of engineering equipment and comprises a main frame, wherein the right lower end of the main frame is rotatably connected with a main support shaft of a rear wheel of the cutting machine, a main support frame is arranged between the inside of the main frame and a front wheel mounting shaft of the cutting machine, a screw rod driving part is arranged between the upper end of the main frame and the main support frame, one end of the screw rod driving part is fixedly connected with the upper end of the main frame, the other end of the screw rod driving part is rotatably connected with the main support frame, an adjustable power assisting component is arranged on the screw rod driving part, the screw rod driving part drives the main frame to do arc motion around the main support shaft, the cutting height of a cutting wheel arranged on the main frame can be effectively adjusted, and the power assisting component is also arranged on the screw rod driving part to offset the screwing friction force when screws in the screw rod driving part rotate, so that an operator can easily adjust the height of the cutting wheel, and compared with linear adjustment, the arc motion adjustment has a labor-saving effect.
Description
Technical Field
The utility model relates to the technical field of engineering equipment, in particular to a novel structure of a labor-saving and efficient lifting adjustment system of an engineering machinery cutting machine.
Background
The cutting machine for the construction engineering machinery is mainly used for cutting materials on hard floors such as concrete, cement and the like, and along with the lifting of the whole machine, a cutting blade can cut at a certain depth. The main working principle is that an output shaft belt pulley of an engine (a gasoline engine or a diesel engine) inputs power to a cutter bar shaft belt pulley through a belt, the cutter bar shaft belt pulley directly drives a blade to carry out cutting construction operation, and the cutting rotating speed of the blade is regulated according to the transmission ratio of the two belt pulleys.
According to the actual application scene of the cutting machine, the weight and the volume of the cutting machine are divided, for the cutting machine with heavy weight, the rotating handle is rocked to enable the cutting machine blade to be adjusted up and down, and in the process that the lifting screw rod is screwed in the screwing nut, due to the heavy weight of the whole machine, great screwing friction exists between the screw teeth of the lifting screw rod and the screw teeth screwed in the nut, an operator is very hard in actual operation, great force is required to be used, and the arm discomfort of the operator can be caused by long-term operation.
Most of the cutting machines on the market today still have no effective solution to this problem and are very inconvenient for the operator to operate.
The patent document CN101962932A discloses a pavement cutter capable of conveniently adjusting the cutting depth, which comprises a screw rod and a screw pipe matched with the screw rod, wherein the lower end of the screw rod is movably connected with a frame of the pavement cutter, the screw rod and the screw pipe relatively rotate to adjust the cutting depth, and an operator has a hard phenomenon in use.
Disclosure of Invention
The utility model aims to provide a novel structure of a labor-saving and efficient lifting adjustment system of an engineering machinery cutting machine, which aims to solve the defect that the prior art has very strong force when a cutting blade of the cutting machine is adjusted.
In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme: the utility model provides a laborsaving efficient engineering machine tool cutting machine lifting adjustment system new construction, includes the main frame, main frame right side lower extreme rotates the main support shaft of connecting the cutting machine rear wheel, and installs the main support frame between the inside and cutting machine front wheel installation axle of main frame, arrange screw drive portion between main frame upper end and the main support frame, screw drive portion one end fixed connection main frame upper end, the other end rotates and connects the main support frame, install adjustable helping hand subassembly on the screw drive portion.
The screw rod driving part comprises a hollow branch pipe, one end of the hollow branch pipe is rotationally connected with the main support frame through a rotating shaft sleeve, the other end of the hollow branch pipe is connected with a lifting screw rod in a threaded fit mode, a flange seat is arranged on a lifting screw rod body, the lifting screw rod is connected with a bearing in the flange seat in an interference fit mode, the flange seat is arranged at the upper end of the main frame through an integrated mounting plate, a power assisting component is fixed on the mounting plate, and the lower end of the power assisting component is connected with the hollow branch pipe in an adjustable mode.
The top of the lifting screw rod is provided with a rotary handle, the end part of the lifting screw rod is provided with an internal threaded hole and is connected with a bolt in a matching way, and a limiting latch is further arranged between the rotary handle and the flange seat.
The hollow branch pipe is internally fixed with a screwing nut, and the lifting screw rod is in threaded fit connection with the screwing nut.
The power assisting assembly is an air spring, one end of the air spring is fixed on the integrated mounting plate in a matched mode with a second nut, and the other end of the air spring is adjustably mounted on the hollow branch pipe.
The hollow branch pipe is fixedly provided with an adjusting plate, the adjusting plate is provided with a plurality of threaded through holes, and the air spring is matched with a number one nut to be installed on the adjusting plate.
An engineering machinery cutting machine comprises cutting equipment and the novel structure of the labor-saving and efficient engineering machinery cutting machine lifting adjustment system for installing the cutting equipment.
The front end of the main frame is provided with guide wheels in an extending way through a supporting rod.
According to the technical scheme, the utility model has the following effects:
the screw rod driving part designed by the utility model drives the main frame to do arc motion around the main supporting shaft while running, so that the cutting height of the cutting wheel arranged on the main frame can be effectively adjusted, and the screw rod driving part is also provided with a power assisting component which can partially counteract the screwing friction force generated when the screw teeth in the screw rod driving part rotate;
and secondly, the power assisting assembly can pertinently select proper mounting positions through a plurality of threaded through holes designed on the adjusting plate in the power assisting assembly, so that the mechanical cutting machine with various models is effectively assisted, the application range is enlarged, and the maximum application effect of the power assisting assembly is ensured.
Drawings
FIG. 1 is an isometric view of the present utility model;
FIG. 2 is a schematic front view of the present utility model;
FIG. 3 is a schematic side view of the present utility model;
FIG. 4 is a cross-sectional view taken along the direction A-A of FIG. 3;
fig. 5 is an enlarged view at a in fig. 4.
Wherein: the device comprises a rotary handle 1, a limiting fluted disc 2, a bolt 3, an integrated mounting plate 4, a first nut 5, a second nut 6, an air spring 7, a flange seat 8, a lifting screw rod 9, a hollow branch pipe 10, a screwing nut 11, an adjusting plate 12, a rotary shaft sleeve 13, a main supporting shaft 14, a main frame 15 and a main supporting frame 16.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1 to 5, the utility model discloses a novel structure of a labor-saving and efficient lifting adjustment system of an engineering machinery cutting machine, which comprises a main frame 15, wherein the right lower end of the main frame 15 is rotatably connected with a main supporting shaft 14 of a rear wheel of the cutting machine, a main supporting frame 16 is arranged between the inside of the main frame 15 and a front wheel mounting shaft of the cutting machine, a screw rod driving part is arranged between the upper end of the main frame 15 and the main supporting frame 16, one end of the screw rod driving part is fixedly connected with the upper end of the main frame 15, the other end of the screw rod driving part is rotatably connected with the main supporting frame 16, an adjustable power assisting component is arranged on the screw rod driving part, and cutting equipment is arranged at the front end of the main frame 15 in actual production.
Looking at fig. 4 and 5, the screw driving part comprises a hollow branch pipe 10, one end of the hollow branch pipe 10 is rotationally connected with a main support frame 16 through a rotating shaft sleeve 13, the other end of the hollow branch pipe 10 is in threaded fit connection with a lifting screw 9, a flange seat 8 is installed on a rod body of the lifting screw 9, the lifting screw 9 is in interference fit with a bearing in the flange seat 8, the flange seat 8 is installed at the upper end of a main frame 15 through an integrated installation plate 4, a power assisting component is fixed on the installation plate 4, the lower end of the power assisting component is adjustably connected with the hollow branch pipe 10, the lifting screw 9 is rotationally changed to change the length of the lifting screw 9 between the hollow branch pipes 10, the main frame 15 is forced to rotate around a main support shaft 14, and the height of a cutting piece in cutting equipment is changed.
The processing difficulty of the hollow branch pipe 10 is reduced, a screwing nut 11 is directly fixed in the hollow branch pipe 10, and the lifting screw rod 9 is in threaded fit connection with the screwing nut 11; in addition, a rotary handle 1 is arranged at the top of the lifting screw rod 9, an internal threaded hole is formed in the end part of the lifting screw rod 9 and is connected with the bolt 3 in a matched mode, a limiting latch 2 is further arranged between the rotary handle 1 and the flange seat 8, excessive adjustment of the lifting screw rod 9 is prevented, and use safety of the device is guaranteed.
The helping hand subassembly in this device uses air spring 7, air spring 7 one end cooperation No. two nuts 6 are fixed in on the integrated mounting panel 4, and the other end is adjustable installs on hollow branch pipe 10, observes fig. 4 once more, can see in the figure be fixed with regulating plate 12 on the hollow branch pipe 10, be equipped with a plurality of screw thread through-holes on the regulating plate 12, air spring 7 cooperates No. one nut 5 to install on regulating plate 12, and the main attention is paid to when installing and is installed again when rising the cutting machine main frame to the highest stop point position air spring 7, and air spring 7 this moment is in original free state position, ensures that the operator is in compression state all the time when lifting or lowering the cutting machine, air spring 7.
The other implementation uses this structure, an engineering machine tool cutting machine, including cutting equipment and be used for installing the new structure of laborsaving efficient engineering machine tool cutting machine lifting adjustment system of cutting equipment, cutting equipment uses current motor combination cutting wheel, and cutting equipment installs on the main frame 15 of this device, in order to guarantee the linear cutting of cutting machine, extends through branch at main frame 15 front end and installs a leading wheel.
The use and the working principle of the device are as follows:
the operator rotates the rotary handle 1, the lifting screw rod 9 performs screwing-in and screwing-out movements in the screwing nut 11, the relative distance between the center of the rotary shaft sleeve 13 and the center of the rotary handle 1 can be changed, but the centers of the two parts are always on the same straight line, and the hollow support tube 10 integrally lifts or lowers the main frame and other parts;
during the raising or lowering process of the whole main frame and other parts, the whole main frame and other parts rotate around the center of the main pivot shaft 14 of the rear axle, and the rotating shaft sleeve 13 below the hollow supporting tube 10 rotates around the pin shaft therein.
The air springs 7 are arranged on the upper side and the lower side of the threads of the lifting screw rod 9 and the screwing nut 11, so that the contact friction force between threads is reduced greatly, and an operator can feel flexible, comfortable and labor-saving when rotating the rotary hand crank.
It will be appreciated by those skilled in the art that the present utility model can be carried out in other embodiments without departing from the spirit or essential characteristics thereof. Accordingly, the above disclosed embodiments are illustrative in all respects, and not exclusive. All changes that come within the scope of the utility model or equivalents thereto are intended to be embraced therein.
Claims (7)
1. The utility model provides a laborsaving efficient engineering machine tool cutting machine lifting adjustment system new construction, its characterized in that, including main frame (15), main frame (15) right lower extreme rotates on main support axle (14) of connecting the cutting machine rear wheel, and installs main support frame (16) between inside and the cutting machine front wheel installation axle of main frame (15), arrange lead screw drive division between main frame (15) upper end and main support frame (16), lead screw drive division one end fixed connection main frame (15) upper end, the other end rotates and connects main support frame (16), install adjustable helping hand subassembly on the lead screw drive division.
2. The novel labor-saving and efficient lifting adjustment system structure of the engineering machinery cutting machine according to claim 1, wherein the screw driving part comprises a hollow branch pipe (10), one end of the hollow branch pipe (10) is rotationally connected with a main support frame (16) through a rotating shaft sleeve (13), the other end of the hollow branch pipe is connected with a lifting screw (9) in a threaded fit manner, a flange seat (8) is arranged on a rod body of the lifting screw (9), the lifting screw (9) is connected with a bearing in the flange seat (8) in an interference fit manner, the flange seat (8) is arranged at the upper end of a main frame (15) through an integrated mounting plate (4), a booster component is fixed on the mounting plate (4), and the lower end of the booster component is connected with the hollow branch pipe (10) in an adjustable manner.
3. The novel labor-saving and efficient lifting adjustment system structure of the engineering machinery cutting machine is characterized in that a rotary handle (1) is arranged at the top of the lifting screw rod (9), an internal threaded hole is formed in the end of the lifting screw rod (9) and is connected with a bolt (3), and a limiting latch (2) is further arranged between the rotary handle (1) and the flange seat (8).
4. The novel labor-saving and efficient lifting adjustment system structure of the engineering machinery cutting machine is characterized in that a screwing nut (11) is fixed in the hollow branch pipe (10), and the lifting screw rod (9) is connected with the screwing nut (11) in a threaded fit mode.
5. The novel labor-saving and efficient lifting adjustment system structure of the engineering machinery cutting machine, according to claim 2, is characterized in that the power assisting component is an air spring (7), one end of the air spring (7) is matched with a second nut (6) to be fixed on the integrated mounting plate (4), and the other end of the air spring is adjustably mounted on the hollow branch pipe (10).
6. The novel labor-saving and efficient lifting adjustment system structure of the engineering machinery cutting machine, which is disclosed by claim 5, is characterized in that an adjusting plate (12) is fixed on the hollow branch pipe (10), a plurality of threaded through holes are formed in the adjusting plate (12), and an air spring (7) is mounted on the adjusting plate (12) in cooperation with a nut (5).
7. An engineering machinery cutting machine is characterized by comprising a cutting device and a novel labor-saving and efficient engineering machinery cutting machine lifting adjustment system structure for installing the cutting device according to any one of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320554865.7U CN220280103U (en) | 2023-03-21 | 2023-03-21 | Novel labor-saving and efficient lifting adjustment system structure of engineering machinery cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320554865.7U CN220280103U (en) | 2023-03-21 | 2023-03-21 | Novel labor-saving and efficient lifting adjustment system structure of engineering machinery cutting machine |
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| CN220280103U true CN220280103U (en) | 2024-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320554865.7U Active CN220280103U (en) | 2023-03-21 | 2023-03-21 | Novel labor-saving and efficient lifting adjustment system structure of engineering machinery cutting machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119099051A (en) * | 2024-09-05 | 2024-12-10 | 开普智能制造(常州)有限公司 | A concrete cutting device and cutting process thereof |
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2023
- 2023-03-21 CN CN202320554865.7U patent/CN220280103U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119099051A (en) * | 2024-09-05 | 2024-12-10 | 开普智能制造(常州)有限公司 | A concrete cutting device and cutting process thereof |
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