CN219526068U - High-low leg portal frame with adjustable job site - Google Patents
High-low leg portal frame with adjustable job site Download PDFInfo
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- CN219526068U CN219526068U CN202320082091.2U CN202320082091U CN219526068U CN 219526068 U CN219526068 U CN 219526068U CN 202320082091 U CN202320082091 U CN 202320082091U CN 219526068 U CN219526068 U CN 219526068U
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- leg support
- suspension arm
- long leg
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- long
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model relates to the field of hoisting and transportation, in particular to an adjustable high-low leg portal frame in a construction site, which comprises a long leg support assembly, a short leg support and a suspension arm assembly, wherein the suspension arm assembly is arranged between the long leg support assembly and the short leg support; the long leg support assembly comprises a long leg support, a heavy screw rod is inserted above the long leg support, the long leg support is in threaded fit with the heavy screw rod, and an upright post is arranged at the top end of the heavy screw rod; the suspension arm assembly comprises a short leg support horizontal suspension arm and a long leg support horizontal suspension arm, wherein screw rods are arranged at one ends of the short leg support horizontal suspension arm and the long leg support horizontal suspension arm, which are close to each other, and are in threaded connection through positive and negative threaded sleeves, the other end of the short leg support horizontal suspension arm is connected with the short leg support, and the other end of the long leg support horizontal suspension arm is connected with the upright post. The utility model aims to provide an adjustable high-low leg portal frame on a construction site, which has a simple structure, is safe and reliable, and can be transported and installed on a site with a cable trench.
Description
Technical Field
The utility model relates to the field of hoisting and transportation, in particular to an adjustable high-low leg portal frame in a construction site.
Background
The power distribution cabinet is used as important equipment in a power system, and plays roles in controlling, distributing, monitoring, protecting and the like in the whole power system. In the electric installation process, the construction requirement of the power distribution cabinet is also particularly strict, a cable pit is usually arranged in the installation environment of the power distribution cabinet, so that the transportation space becomes narrow, and meanwhile, the power distribution cabinet is difficult to carry manually due to large size and weight and cannot be used by large mechanical equipment such as a crane and a forklift.
The prior art has the following defects:
at present, the switch board can only use artificial cooperation small-size instrument to install, and ordinary portal frame uses the degree of difficulty great under the circumstances that has the cable pit, and according to relevant data statistics, the incident that takes place in the switch board installation is also more, and wherein the serious injury that the cabinet of a dish overturns leads to takes place when death accident.
Disclosure of Invention
The utility model aims to provide an adjustable high-low leg portal frame on a construction site, which has a simple structure, is safe and reliable, can be transported and installed on a site with cable ducts, and can be suitable for the cable ducts with different depths.
The utility model relates to a high-low leg portal frame with adjustable construction site, which comprises a long leg bracket assembly, a short leg bracket and a suspension arm assembly, wherein the suspension arm assembly is arranged between the long leg bracket assembly and the short leg bracket; the long leg support assembly comprises a long leg support, a heavy screw rod is inserted above the long leg support, the long leg support is in threaded fit with the heavy screw rod, the heavy screw rod can rotate on the long leg support, the extending length is changed, and the top end of the heavy screw rod is provided with a stand column; the suspension arm assembly comprises a short leg support horizontal suspension arm and a long leg support horizontal suspension arm, wherein screw rods are arranged at one ends of the short leg support horizontal suspension arm and the long leg support horizontal suspension arm, which are close to each other, the screw threads of the two screw rods are opposite in direction, the two screw rods are connected through a positive screw sleeve and a negative screw sleeve, the other end of the short leg support horizontal suspension arm is connected with the short leg support, the other end of the long leg support horizontal suspension arm is connected with a stand column, and the distance between the long leg support and the short leg support is adjusted by adjusting the distance between the two screw rods.
The top end of the heavy lead screw is provided with a bearing platform, the bearing platform is provided with a stand column, the stand column is rotationally arranged on the bearing platform, the bearing platform is also provided with a center column, and the center column is used for reinforcing the stand column to connect with the bearing platform; the upright post can rotate on the bearing platform.
The short leg support and the short leg support horizontal suspension arm are connected through the fixed clamp, and the stand column and the long leg support horizontal suspension arm are also connected through the fixed clamp.
The short leg support horizontal suspension arm is provided with a movable suspension device; the mobile suspension device is capable of sliding on the short leg rest horizontal boom.
The front and back thread sleeves are provided with disc-shaped manual wheels, each disc-shaped manual wheel comprises two hoops, the two hoops are symmetrically arranged on two sides of the front and back thread sleeve, and handles are arranged on the outer sides of the hoops; the front and back thread sleeves are rotated by rotating the handle.
The heavy screw is provided with a round nut which is in threaded connection with the heavy screw, and the round nut is provided with a hand wheel handle; the hand wheel handle is rotated to adjust the extending length of the heavy lead screw.
The bottoms of the long leg support and the short leg support are respectively provided with a base, and casters are arranged on the bases; the installation and the transportation are more convenient.
Inclined struts are arranged on two sides of the long leg support; preventing the long leg support from tilting during use.
Compared with the prior art, the utility model has the beneficial effects that:
(1) Simple structure through setting up heavy lead screw, can adjust the length of long leg subassembly according to the degree of depth of cable pit, can adapt to the cable pit of different degree of depth, and degree of use is more extensive.
(2) The length of the horizontal suspension arm can be changed by arranging the screw rod on the front and back threaded sleeve connected with the horizontal suspension arm, so that the width between the long leg support and the short leg support is changed, and the horizontal suspension arm can be installed in various spaces.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the long leg assembly of the present utility model;
FIG. 3 is a schematic view of the structure of the driving hand wheel of the present utility model;
in the figure: 1. the lifting device comprises a trundle 2, a base 3, a short leg support 4, a fixed clamp 5, a short leg support horizontal suspension arm 6, a movable suspension device 7, a back screw thread lead screw 8, a front screw thread sleeve 9, a disc drive hand wheel 10, a front screw thread lead screw 11, a long leg support horizontal suspension arm 12, a stand column 13, a central column 14, a rolling bearing 15, a bearing platform 16, a heavy screw thread lead 17, a hand wheel handle 18, a round nut 19, a long leg support 20, a diagonal bracing 901, a clamp 902 and a handle.
Detailed Description
The utility model will be further described with reference to the following examples:
as shown in fig. 1 to 3, the adjustable high-low leg portal frame for the construction site comprises a long leg support assembly, a short leg support 3 and a suspension arm assembly, wherein the suspension arm assembly is arranged between the long leg support assembly and the short leg support 3; the long leg support assembly comprises a long leg support 19, a heavy lead screw 16 is inserted above the long leg support 19, the long leg support 19 is in threaded fit with the heavy lead screw 16, the heavy lead screw 16 can rotate on the long leg support 19, the extending length is changed, the height of the long leg assembly can be adjusted, and the top end of the heavy lead screw 16 is provided with a stand column 12; the suspension arm assembly comprises a short leg support horizontal suspension arm 5 and a long leg support horizontal suspension arm 11, the short leg support horizontal suspension arm 5 and the long leg support horizontal suspension arm 11 are oppositely arranged, one end of the short leg support horizontal suspension arm 5 is connected with the short leg support 3, the other end of the short leg support horizontal suspension arm is provided with a reverse screw thread screw rod 7, one end of the long leg support horizontal suspension arm 11 is connected with a stand column 12, the other end of the long leg support horizontal suspension arm is provided with a positive screw thread screw rod 10, the reverse screw thread screw rod 7 and the positive screw thread screw rod 10 are opposite in thread direction, a positive screw thread sleeve 8 is arranged between the reverse screw thread screw rod 7 and the positive screw thread screw rod 10, the positive screw thread sleeve 8 is in threaded connection with the two screw threads, the length of the two screw threads in the positive screw thread sleeve 8 can be adjusted, and then the distance between the long leg support and the short leg support can be adapted to more installation occasions.
The top of the heavy lead screw 16 is provided with a bearing platform 15, the bearing platform 15 is provided with a stand column 12, a rolling bearing 14 is arranged between the bearing platform 15 and the stand column 12, the stand column 12 can rotate on the bearing platform 15, when the height of the long leg assembly is adjusted, the bearing platform 15 rotates, the stand column 12 on the bearing platform 15 can be static through the arrangement of the rolling bearing 14, the bearing platform 15 is also provided with a central column 13, and the central column 13 is used for preventing the stand column 12 from inclining in the use process, so that the stand column 12 is reinforced and connected with the bearing platform 15.
The upper part of the short leg support 3 and the upper part of the upright post 12 are respectively provided with a fixed clamp 4, the short leg support 3 and the short leg support horizontal suspension arm 5 are connected through the fixed clamp 4, and the upright post 12 and the long leg support horizontal suspension arm 11 are also connected through the fixed clamp 4.
The movable suspension device 6 is arranged on the short leg support horizontal suspension arm 5, the movable suspension device 6 is used for installing hoisting tools such as a chain block and a hoisting belt, and the movable suspension device 6 can slide on the short leg support horizontal suspension arm 5, so that the transportation of goods is facilitated.
Be provided with a set of hand wheel 9 on the positive and negative thread bush 8, set of hand wheel 9 includes two clamps 901, and two clamps 901 symmetry set up in the both sides of positive and negative thread bush 8, and the clamp 901 outside is provided with handle 902, rotates handle 902 and makes positive and negative thread bush 8 rotate, and is more convenient, laborsaving during the use.
The heavy lead screw 16 is provided with the round nut 18, the round nut 18 is in threaded connection with the heavy lead screw 16, the round nut 18 is provided with the hand wheel handle 17, and the heavy lead screw 16 is rotated by rotating the hand wheel handle 17, so that the use is more convenient and labor-saving.
The bottom of the long leg support 19 and the bottom of the short leg support 3 are both provided with the base 2, and the base 2 is provided with the castor 1, so that the installation and the transportation are more convenient.
Diagonal braces 20 are arranged on two sides of the long leg support 19, and the long leg support 19 is prevented from tilting during use.
Working process or working principle:
the short leg support 3 is placed on the ground of 0 meter, the long leg support 19 is placed in a cable trench, the length of the heavy screw 16 is adjusted by rotating the hand wheel handle 17 according to the depth of the cable trench, the length of the long leg support assembly is adjusted, the long leg support horizontal suspension arm 11 and the short leg support horizontal suspension arm 5 are arranged on a horizontal line, the distance between the short leg support 3 and the long leg support 19 is adjusted according to the size of the volume of the power distribution cabinet and the size of an installation site, the positive screw thread screw 10 on the long leg support horizontal suspension arm 11 and the negative screw thread screw 7 on the short leg support horizontal suspension arm 5 are connected and fixed through the positive screw thread sleeve 8, lifting tools such as a chain block and a lifting belt are installed on the movable suspension device 6, parts of the power distribution cabinet are installed on the movable suspension device 6 through the lifting tools, the long leg support 19 and the short leg support 3 are pushed to move the parts of the power distribution cabinet, and the power distribution cabinet is assembled after the transportation is completed.
The description of the directions and the relative positional relationships of the structures, such as the description of the front, back, left, right, up and down, in the present utility model does not limit the present utility model, but is merely for convenience of description.
Claims (8)
1. The high-low leg portal frame is characterized by comprising a long leg support assembly, a short leg support and a suspension arm assembly, wherein the suspension arm assembly is arranged between the long leg support assembly and the short leg support;
the long leg support assembly comprises a long leg support (19), a heavy lead screw (16) is arranged above the long leg support (19) in a penetrating mode, the long leg support (19) is in threaded fit with the heavy lead screw (16), and an upright post (12) is arranged at the top end of the heavy lead screw (16);
the suspension arm assembly comprises a short leg support horizontal suspension arm (5) and a long leg support horizontal suspension arm (11), wherein screw rods are arranged at one ends, close to each other, of the short leg support horizontal suspension arm (5) and the long leg support horizontal suspension arm (11), the screw threads of the screw rods are opposite in direction, the screw rods are connected through a positive screw sleeve (8), the other end of the short leg support horizontal suspension arm (5) is connected with the short leg support (3), and the other end of the long leg support horizontal suspension arm (11) is connected with an upright post (12).
2. The adjustable high-low leg portal frame of claim 1, wherein a bearing platform (15) is arranged at the top end of the heavy lead screw (16), the upright post (12) is rotatably arranged on the bearing platform (15), a central column (13) is further arranged on the bearing platform (15), and the central column (13) is used for reinforcing the upright post (12) to connect with the bearing platform (15).
3. The adjustable high-low leg portal frame of claim 2, wherein a fixed clamp (4) is arranged above the short leg support (3) and above the upright post (12), the short leg support (3) is connected with the short leg support horizontal boom (5) through the fixed clamp, and the upright post (12) is also connected with the long leg support horizontal boom (11) through the fixed clamp (4).
4. A construction site adjustable high and low leg gantry according to any one of claims 1-3, characterized in that the short leg support horizontal boom (5) is provided with a mobile suspension device (6).
5. The adjustable high-low leg portal frame of claim 4, wherein the front and back thread sleeve (8) is provided with a disc-shaped hand wheel (9), the disc-shaped hand wheel (9) comprises two hoops (901), the two hoops (901) are symmetrically arranged on two sides of the front and back thread sleeve (8), and handles (902) are arranged on the outer sides of the hoops (901).
6. The adjustable high-low leg portal frame for construction site according to claim 5, wherein a round nut (18) is arranged on the heavy-duty screw (16), the round nut (18) is in threaded connection with the heavy-duty screw (16), and a hand wheel handle (17) is arranged on the round nut (18).
7. The adjustable high-low leg portal frame for construction site according to any one of claims 1-3 or 5-6, wherein the bottom of the long leg support (19) and the bottom of the short leg support (3) are both provided with a base (2), and the base is provided with casters (1).
8. The adjustable high and low leg portal frame for construction site according to any one of claims 1-3 and 5-6, wherein the long leg support (19) is provided with diagonal braces (20) on both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320082091.2U CN219526068U (en) | 2023-01-11 | 2023-01-11 | High-low leg portal frame with adjustable job site |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320082091.2U CN219526068U (en) | 2023-01-11 | 2023-01-11 | High-low leg portal frame with adjustable job site |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219526068U true CN219526068U (en) | 2023-08-15 |
Family
ID=87631909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320082091.2U Active CN219526068U (en) | 2023-01-11 | 2023-01-11 | High-low leg portal frame with adjustable job site |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219526068U (en) |
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2023
- 2023-01-11 CN CN202320082091.2U patent/CN219526068U/en active Active
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