CN217627366U - Herringbone roof truss lifting device - Google Patents
Herringbone roof truss lifting device Download PDFInfo
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- CN217627366U CN217627366U CN202221669905.4U CN202221669905U CN217627366U CN 217627366 U CN217627366 U CN 217627366U CN 202221669905 U CN202221669905 U CN 202221669905U CN 217627366 U CN217627366 U CN 217627366U
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- oil
- roof truss
- lifting device
- herringbone roof
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Abstract
The utility model relates to a herringbone roof truss lifting device, which relates to the technical field of roof truss lifting and comprises a base, a telescopic rod, a fixed plate, a hydraulic system and a cylinder body; one end of the cylinder body is fixedly connected with the base, the telescopic rod is installed in the cylinder body, and the other end of the telescopic rod is fixedly connected with the fixing plate; the hydraulic system is connected to the cylinder body, and the hydraulic system controls the telescopic rod to ascend or descend through the cylinder body, so that the herringbone roof truss is lifted and moved downwards. Its advantage lies in, through hydraulic system control telescopic link rising or decline, a plurality of telescopic links rise and descending amplitude unanimous for the herringbone roof truss steadily lifts up and takes off, and then can change and repair the herringbone roof truss, has improved work efficiency, and the herringbone roof truss is difficult for droing, has improved the security.
Description
Technical Field
The utility model relates to a roof truss lifting technical field, more specifically say, relate to a herringbone roof truss lifting device.
Background
The roof truss is one of the building components, is used for a truss of a roof structure, bears the weight of a roof and a truss and wind load acting on an upper chord, and is made of materials such as wood, steel or reinforced concrete.
The roof truss is generally in a multi-purpose herringbone form and consists of an upper chord, a lower chord, a vertical web member and an inclined web member; the houses in the single-storey houses and the Chinese style buildings are composed of nine types of common roofs, roof trusses, wall bodies, doors, windows, ceilings, floors, decorations, equipment, accessories and the like.
The herringbone frame is divided into a wood roof truss, a small wood roof truss, a steel-wood roof truss, a small steel-wood roof truss and the like, the steel roof truss is classified according to different spans, and the steel-concrete structure is divided into a steel-concrete roof truss and a steel roof truss.
At present, the lower chord cross beam on the propeller strut is damaged due to the reasons of worm damage, wind and sunshine, corrosion and the like, and the propeller strut needs to be lifted by machinery such as a crane and the like during replacement; however, when the propeller strut is lifted by a machine such as a crane, the propeller strut is difficult to stably take off due to severe shaking, and the propeller strut may fall off from the crane in severe cases, which may injure people and break the propeller strut.
The foregoing description is provided for general background information and is not admitted to be prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a herringbone roof truss lifting device uses steadily, and the herringbone roof truss is difficult for droing, safety.
The utility model provides a herringbone roof truss lifting device, which comprises a base, a telescopic rod, a fixed plate, a hydraulic system and a cylinder body; one end of the cylinder body is fixedly connected with the base, the telescopic rod is installed in the cylinder body, and the other end of the telescopic rod is fixedly connected with the fixing plate; the hydraulic system is connected to the cylinder body, and the hydraulic system controls the telescopic rod to ascend or descend through the cylinder body, so that the herringbone roof truss is lifted and moved downwards.
Further, a rod cavity and a rodless cavity are formed in the cylinder body, and oil ports communicated with the hydraulic system are formed in the rod cavity and the rodless cavity.
Further, the hydraulic system comprises an oil control valve, an oil pump and a hydraulic oil pot, wherein an oil inlet and an oil return port are formed in one side of the oil control valve, a first oil outlet and a second oil outlet are formed in the other side of the oil control valve, the oil control valve comprises a first working position, a second working position and a third working position, the oil inlet is communicated with the second oil outlet in the first working position, the oil return port is communicated with the first oil outlet, the oil inlet and the oil return port are not communicated with the first oil outlet or the second oil outlet in the second working position, the oil inlet is communicated with the first oil outlet in the third working position, the oil return port is communicated with the second oil outlet, the oil inlet is communicated with the hydraulic oil pot through the oil pump, the oil return port is communicated with the hydraulic oil pot, the first oil outlet is connected with a rodless cavity of the cylinder body, the second oil outlet is connected with a rod cavity of the cylinder body, the oil control valve is connected with a telescopic controller, and the telescopic rod controller controls the telescopic rod cavity of the telescopic rod through the control valve.
Further, a one-way valve is mounted on an oil pipe between the oil pump and the oil inlet.
Further, an oil pump controller is connected to the oil pump.
Furthermore, the oil control valve also comprises a proportional servo valve, a hydraulic control one-way valve and a shuttle valve.
Furthermore, a mounting opening is formed in the base, and a telescopic support is installed in the mounting opening.
Furthermore, the base is provided with an anti-skid bulge on one surface far away from the cylinder body.
Further, the cross section of the fixing plate is L-shaped.
Furthermore, four mounting ports are arranged on the base, and 90-degree included angles are formed between every two adjacent mounting ports.
The utility model provides a herringbone roof truss lifting device rises or descends through hydraulic system control telescopic link, and a plurality of telescopic links rise and descending amplitude is unanimous for herringbone roof truss steadily lifts up and takes off, and then can change and repair people's herringbone roof truss, has improved work efficiency, and herringbone roof truss is difficult for droing, has improved the security.
Drawings
Fig. 1 is a schematic structural view of a herringbone roof truss lifting device provided in embodiment 1 of the present invention.
Fig. 2 is another view structure diagram of the herringbone roof truss lifting device in fig. 1.
Fig. 3 is a schematic cross-sectional structure diagram of the herringbone roof truss lifting device in fig. 1.
Fig. 4 is a schematic diagram of a hydraulic system of the herringbone roof lifting device in fig. 1.
Fig. 5 is a schematic view of an oil control valve of the herringbone roof lifting device in fig. 1.
Fig. 6 is a schematic use view of the herringbone roof truss lifting device in fig. 1.
Fig. 7 is another schematic diagram of the herringbone roof lifting device in fig. 1.
Fig. 8 is a schematic structural diagram of a herringbone roof truss lifting device provided in embodiment 2 of the present invention.
The reference numerals and components referred to in the drawings are as follows:
1. base 11, installing port 12, telescopic bracket
13. Anti-skid protrusions 2, telescopic rods 3 and fixing plates
4. Hydraulic system 41, oil control valve 411, oil inlet
412. Oil return port 413, first oil outlet 414 and second oil outlet
415. Proportional servo valve 416, pilot operated check valve 417, shuttle valve
42. Oil pump 43, hydraulic oil can 5 and cylinder body
51. Rod cavity 52, rodless cavity 53 and oil port
6. Expansion controller 7, one-way valve 8 and oil pump controller
9. Herringbone roof truss
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
Example 1
Fig. 1 is a schematic structural view of a herringbone roof truss lifting device provided in embodiment 1 of the present invention, fig. 2 is another schematic structural view of the herringbone roof truss lifting device in fig. 1, fig. 3 is a schematic structural cross-sectional view of the herringbone roof truss lifting device in fig. 1, and fig. 4 is a schematic diagram of a hydraulic system of the herringbone roof truss lifting device in fig. 1. Referring to fig. 1 to 4, the herringbone roof truss lifting device provided in this embodiment includes a base 1, an expansion rod 2, a fixing plate 3, a hydraulic system 4, and a cylinder 5; one end of a cylinder body 5 is fixedly connected with the base 1, an expansion link 2 is arranged in the cylinder body 5, and the other end of the expansion link 2 is fixedly connected with a fixing plate 3; the cylinder body 5 is connected with a hydraulic system 4, and the hydraulic system 4 controls the telescopic rod 2 to ascend or descend through the cylinder body 5, so that the herringbone roof truss 9 is lifted and moved downwards.
Fig. 6 is a schematic use view of the herringbone roof truss lifting device in fig. 1, and fig. 7 is another schematic use view of the herringbone roof truss lifting device in fig. 1. Referring to fig. 6 and 7, when the herringbone roof truss lifting device provided in this embodiment is used, the fixing plate 3 is clamped at the edge of the lower chord cross beam of the herringbone roof truss 9, and the telescopic rod 2 on the cylinder body 5 is controlled to ascend through the hydraulic system 4, so that the herringbone roof truss 9 is lifted and the wall body is separated, and at this time, the damaged lower chord cross beam is conveniently replaced or repaired.
It should be noted that the hydraulic system 4 controls the telescopic rods 2 to ascend or descend, and the ascending and descending amplitudes of the telescopic rods 2 are consistent, so that the herringbone roof truss 9 is stably lifted up and taken down, the herringbone roof truss 9 can be replaced and repaired, the working efficiency is improved, the herringbone roof truss 9 is not easy to fall off, and the safety is improved.
Fig. 5 is a schematic diagram of an oil control valve of the herringbone roof truss lifting device in fig. 1. Referring to fig. 3, 4 and 5, a rod chamber 51 and a rodless chamber 52 are formed in the cylinder 5 according to the present embodiment, and oil ports 53 communicating with the hydraulic system 4 are respectively provided in the rod chamber 51 and the rodless chamber 52. The hydraulic system 4 includes an oil control valve 41, an oil pump 42 and a hydraulic oil pot 43, one side of the oil control valve 41 is provided with an oil inlet 411 (port P in fig. 5) and an oil return port 412 (port T in fig. 5), the other side of the oil control valve 41 is provided with a first oil outlet 413 (port a in fig. 5) and a second oil outlet 414 (port b in fig. 5), the oil control valve 41 includes a first working position, a second working position and a third working position, the oil inlet 411 and the second oil outlet 414 are communicated in the first working position, the oil return port 412 is communicated with the first oil outlet 413 port, the oil inlet 411 and the oil return port 412 are not communicated with the first oil outlet 413 or the second oil outlet 414 in the second working position, the oil inlet 411 and the hydraulic oil pot 43 are communicated through the oil pump 42, the oil return port 411 and the hydraulic oil pot 43 are communicated, the first oil outlet 413 and a rodless cavity 52 of the cylinder body 5 are connected, the oil return port 412 and the second oil outlet 414 is connected with the telescopic control valve 41 through a telescopic control rod 6, and a telescopic control oil control valve 41 is connected with the control cylinder body 6. Thereby lifting and lowering the herringbone roof truss 9.
With further reference to FIG. 5, oil control valve 41 further includes a proportional servo valve 415, a pilot operated check valve 416, and a shuttle valve 417. The proportional servo valve 415 is a three-position four-way solenoid valve, and a position sensor and an amplifier are arranged on the proportional servo valve 415; the position sensor can realize the monitoring of the opening degree of the valve core, and the amplifier can realize the communication with the telescopic controller 6; the telescopic controller 6 gives different current values, the valve core has different opening degrees, and the oil flows entering the oil port 53 through the valve core are different.
With further reference to fig. 4, a check valve 7 is mounted on the oil line between the oil pump 42 and the oil inlet 411. For preventing the oil from flowing back. The oil pump 42 is connected with an oil pump controller 8 for controlling the oil output of the oil pump 42.
With further reference to fig. 1 and 2, the base 1 is provided with an anti-slip protrusion 13 on a surface far away from the cylinder 5, so as to prevent the herringbone roof truss lifting device from slipping when lifting the herringbone roof truss 9. The cross-section of fixed plate 3 is the L type, and then has improved the stability of lifting.
Example 2
The herringbone roof truss lifting device provided in this embodiment is substantially the same as the herringbone roof truss lifting device provided in embodiment 1, except for the telescopic bracket 12.
Fig. 8 is a schematic structural view of a herringbone roof truss lifting device provided in embodiment 2 of the present invention. Referring to fig. 8, the herringbone roof truss lifting device provided in this embodiment further includes a telescopic bracket 12, a mounting opening 11 is formed in the base 1, and the telescopic bracket 12 is installed in the mounting opening 11. Furthermore, four mounting ports 11 are arranged on the base 1, and an included angle of 90 degrees is formed between every two adjacent mounting ports 11.
It should be noted that the design of the telescopic bracket 12 on the base 1 further improves the stability of the base 1.
Based on the above description, the utility model discloses the advantage lies in:
1. the herringbone roof truss lifting device provided by the utility model clamps the fixed plate 3 at the edge of the lower chord crossbeam of the herringbone roof truss 9, controls the telescopic rod 2 on the cylinder body 5 to ascend through the hydraulic system 4, thereby lifting and separating the herringbone roof truss 9 from the wall body, and at the moment, the damaged lower chord crossbeam is convenient to replace or repair; the plurality of telescopic rods 2 are consistent in ascending and descending amplitude, so that the herringbone roof truss 9 is stably lifted up and taken down, the herringbone roof truss 9 can be replaced and repaired, the working efficiency is improved, the herringbone roof truss 9 is not easy to fall off, and the safety is improved.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A herringbone roof truss lifting device is characterized by comprising a base (1), a telescopic rod (2), a fixing plate (3), a hydraulic system (4) and a cylinder body (5); one end of the cylinder body (5) is fixedly connected with the base (1), the telescopic rod (2) is installed in the cylinder body (5), and the other end of the telescopic rod (2) is fixedly connected with the fixing plate (3);
the hydraulic system (4) is connected to the cylinder body (5), and the hydraulic system (4) controls the telescopic rod (2) to ascend or descend through the cylinder body (5), so that the character roof truss (9) is lifted and moved downwards.
2. A herringbone roof truss lifting device according to claim 1, characterized in that a rod cavity (51) and a rodless cavity (52) are formed in the cylinder body (5), and an oil port (53) communicated with the hydraulic system (4) is arranged on each of the rod cavity (51) and the rodless cavity (52).
3. The herringbone roof truss lifting device according to claim 2, wherein the hydraulic system (4) comprises an oil control valve (41), an oil pump (42) and a hydraulic oil pot (43), one side of the oil control valve (41) is provided with an oil inlet (411) and an oil return port (412), the other side of the oil control valve (41) is provided with a first oil outlet (413) and a second oil outlet (414), the oil control valve (41) comprises a first working position, a second working position and a third working position, the oil inlet (411) is communicated with the second oil outlet (414) at the first working position, the oil return port (412) is communicated with the first oil outlet (413), the oil inlet (411) and the oil return port (412) are not communicated with the first oil outlet (413) or the second oil outlet (414) at the second working position, the oil inlet (411) is communicated with the first oil outlet (413) at the third working position, the oil return port (412) is communicated with the second oil outlet (413), the oil inlet (412) is communicated with the oil return port (412) and the oil outlet (52) is communicated with the hydraulic oil pump (52) through the oil rod (43), and the oil return port (52), the second oil outlet (414) is connected with the rod cavity (51) of the cylinder body (5), the oil-liquid control valve (41) is connected with the telescopic controller (6), and the telescopic controller (6) controls the working position in the oil-liquid control valve (41) to control the telescopic rod (2) to stretch.
4. A herringbone roof truss lifting device according to claim 3, wherein a check valve (7) is installed on the oil pipe between said oil pump (42) and said oil inlet (411).
5. A herringbone roof truss lifting device according to claim 3, characterized in that an oil pump controller (8) is connected to said oil pump (42).
6. A herringbone roof truss lifting device according to claim 3, characterized in that said oil and liquid control valve (41) further comprises a proportional servo valve (415), a pilot operated check valve (416) and a shuttle valve (417).
7. A herringbone roof truss lifting device according to claim 1, characterized in that a mounting opening (11) is arranged on the base (1), and a telescopic bracket (12) is arranged in the mounting opening (11).
8. A herringbone roof truss lifting device according to claim 1, characterized in that the base (1) is provided with non-slip protrusions (13) on the side away from the cylinder block (5).
9. A herringbone roof truss lifting device according to claim 1, characterized in that the cross section of said fixed plate (3) is L-shaped.
10. A herringbone roof truss lifting device according to claim 7, characterized in that four mounting openings (11) are formed in the base (1), and an included angle of 90 degrees is formed between adjacent mounting openings (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221669905.4U CN217627366U (en) | 2022-06-29 | 2022-06-29 | Herringbone roof truss lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221669905.4U CN217627366U (en) | 2022-06-29 | 2022-06-29 | Herringbone roof truss lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217627366U true CN217627366U (en) | 2022-10-21 |
Family
ID=83630711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221669905.4U Active CN217627366U (en) | 2022-06-29 | 2022-06-29 | Herringbone roof truss lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217627366U (en) |
-
2022
- 2022-06-29 CN CN202221669905.4U patent/CN217627366U/en active Active
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