Steel bridge production base with lifting function

Abstract

The utility model provides a steel bridge production base with a lifting function. The steel bridge production base with the lifting function comprises a base, two sets of lead screws and two sets of sliding rods are symmetrically installed at the top of the base, the bottoms of the lead screws penetrate through the base and are provided with belt wheels, and belts are installed on the belt wheels. The two sets of lead screws are symmetrically installed on the top of the base, the two sets of belt wheels are installed at the bottoms of the two sets of lead screws and connected through the belt, the bottom of one set of belt wheels is connected with the motor through the first gear and the second gear, and then the motor can drive the set of belt wheels to rotate. The two sets of belt pulleys are driven by the belt to rotate synchronously, so that the two sets of lead screws are driven to rotate synchronously, the two sets of screw sleeves ascend and descend synchronously along the two sets of lead screws, then the operation table is driven to ascend and descend, and the production requirements of steel bridges of different sizes can be met by adjusting the height of the operation table.

Description

Technical Field

[0001] The utility model belongs to the technical field of steel bridge production, and in particular relates to a steel bridge production base with a lifting function. Background Art

[0002] Steel bridge production is a process involving the design and manufacture of steel bridge components using steel plates and steel sections as the primary materials. In modern bridge engineering, steel bridges have gradually become an important choice for bridge engineering worldwide due to their advantages such as light weight, uniform material quality, stable quality, ease of factory manufacturing, assembly construction, and ease of recycling. The production of steel bridges covers multiple links, from material selection and manufacturing processes, to quality control and intelligent manufacturing. Innovation and progress in each link are of great significance to improving the overall quality and production efficiency of steel bridges.

[0003] In the production of steel bridges, a steel bridge production base is required for performing operations such as welding and grinding of steel bridge modules. However, the steel bridge production bases in current factories are mostly fixed, and their heights cannot be adjusted according to the size of the steel bridge being produced. For the production operations of steel bridges of different sizes, the steel bridges need to be adjusted to different heights to meet actual production needs. Therefore, it is necessary to provide a steel bridge production base with a lifting function to solve the above problems. Utility Model Content

[0004] The technical content of the utility model is to provide a steel bridge production base with a lifting function.

[0005] In order to solve the above problems, the utility model provides a steel bridge production base with a lifting function, including a base, two groups of screw rods and two groups of sliding rods are symmetrically installed on the top of the base, the bottom of the screw rod passes through the base and is installed with a pulley, a belt is installed on the pulley, and a first gear is installed at the bottom of one group of pulleys, the side of the first gear is meshed with a second gear, the second gear is installed at the bottom of the motor, a screw sleeve is installed on the screw rod, and a sliding sleeve is installed on the sliding rod, the screw sleeve and the sliding sleeve are installed at the four corners of the operating table, a rotating block is installed at the bottom of the screw rod, a sealing seat is installed at the bottom of the base, four groups of fixed blocks are symmetrically installed on both sides of the sealing seat, a fixing tube is installed in the fixing block, a fixing rod is inserted and installed in the interior of the fixing tube, and a limiting block is installed on the top of the screw rod and the sliding rod.

[0006] As a further solution of the present invention, a group of connecting blocks are installed at the four corners of the bottom of the base and the four corners of the top of the sealing seat. The two adjacent groups of connecting blocks are fixedly connected by a group of fixing bolts. The fixing blocks installed on the side of the sealing seat are fixedly connected to the sealing seat. The inner side of the fixing tube and the outer side of the fixing rod are provided with matching thread grooves. The top of the fixing rod is set to a hexagonal structure so that the operator can rotate the fixing rod through the corresponding tools.

[0007] As a further solution of the present invention, the sliding rod is fixedly installed on the top of the base, the two groups of screw rods are distributed diagonally, and the two groups of sliding rods are also distributed diagonally. The interior of the base is provided with rotating grooves that are compatible with the two groups of rotating blocks installed at the bottom of the two groups of screw rods. The rotating blocks are set to a structure that is thick in the middle and thin at both ends, and the rotating grooves opened on the base are adapted to it, thereby forming a rotating connection between the rotating blocks and the base.

[0008] As a further solution of the present invention, the pulley is fixedly mounted on the bottom of the rotating block, the first gear is mounted on the bottom of the left set of pulleys in the two sets of pulleys, the second gear and the first gear are in a plane meshing state, and the motor is fixedly mounted on the bottom left side of the base through a fixing bolt. The two sets of pulleys are connected by a belt, and the second gear can be driven to rotate by the motor.

[0009] As a further solution of the present invention, mounting holes are provided at the four corners of the operating table, in which two groups of threaded sleeves and two groups of sliding sleeves are fixedly installed. The diameter of the limit block is larger than the diameter of the threaded rod and the sliding rod, and is also larger than the inner diameter of the threaded sleeve and the sliding sleeve. Nine groups of vertical fixing holes are evenly provided on the two groups of sliding rods, and two groups of fixing holes are symmetrically provided on the sliding sleeve. The two groups of fixing holes are respectively located at the top and bottom of the operating table. The fixing holes on the sliding rod and the fixing holes on the sliding sleeve are on the same side. The top of the operating table is set with a raised structure around it, and its top can be used for the production of steel bridge modules.

[0010] Compared with related technologies, the steel bridge production base with lifting function provided by the present invention has the following beneficial effects:

[0011] 1. The utility model symmetrically installs two sets of screw rods on the top of the base, and a set of pulleys is installed at the bottom of each set of screw rods. The two sets of pulleys are connected by a set of belts, and the bottom of one set of pulleys is connected to the motor through a first gear and a second gear. Then, the motor can drive one set of pulleys to rotate, so that the two sets of pulleys rotate synchronously under the drive of the belts, thereby driving the two sets of screw rods to rotate synchronously, so that the two sets of wire sleeves are synchronously lifted and lowered along the two sets of screw rods, thereby driving the operating table to lift and lower. By adjusting the height of the operating table, the production needs of steel bridges of different sizes can be met.

[0012] 2. The utility model provides fixing holes on the slide rod and the slide sleeve, and the fixing holes on the slide rod and the fixing holes on the slide sleeve are on the same side. After the height of the operating table is adjusted by rotating the screw rod, the two sets of fixing bolts are inserted into the fixing holes on the slide sleeve. At this time, it should be ensured that the fixing bolts pass through the fixing holes on the slide sleeve and the screw rod at the same time, so that the height of the slide sleeve on the slide rod can be fixed. At this time, the height of the operating table remains fixed, and the pressure of the operating table is borne by the two sets of fixing bolts installed in the slide sleeve. Therefore, the screw rod and the screw sleeve will not be subjected to excessive pressure, thereby ensuring the service life of the two. The height of the fixing holes on the slide rod is fixed, so that the height of the operating table has multiple adjustment gears. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to facilitate understanding by those skilled in the art, the present invention will be further described below with reference to the accompanying drawings.

[0014] Figure 1 This is a top-down perspective structural diagram of a steel bridge production base with a lifting function according to the present invention;

[0015] Figure 2 This is a schematic diagram of the upward-looking three-dimensional structure of a steel bridge production base with a lifting function according to the present invention;

[0016] Figure 3 This is a schematic diagram of the structure of an operating table for a steel bridge production base with a lifting function according to the present invention;

[0017] Figure 4 This is a schematic diagram of the sliding rod and sliding sleeve structure of a steel bridge production base with a lifting function in the utility model;

[0018] Figure 5 This is a schematic diagram of the rotating block structure of a steel bridge production base with a lifting function in the utility model;

[0019] Figure 6 This is a schematic diagram of the fixed rod structure of a steel bridge production base with a lifting function in the utility model;

[0020] Figure 7 This is an enlarged structural diagram of point A of a steel bridge production base with a lifting function in the utility model.

[0021] In the figure: 1. Base; 2. Screw; 3. Sliding rod; 4. Pulley; 5. Belt; 6. First gear; 7. Second gear; 8. Motor; 9. Screw sleeve; 10. Sliding sleeve; 11. Operating table; 12. Rotating block; 13. Sealing seat; 14. Fixed block; 15. Fixed tube; 16. Fixed rod. DETAILED DESCRIPTION

[0022] Please refer to Figure 1-7 . A steel bridge production base with a lifting function includes a base 1, two groups of screw rods 2 and two groups of sliding rods 3 are symmetrically installed on the top of the base 1, the bottom of the screw rod 2 passes through the base 1 and is installed with a pulley 4, a belt 5 is installed on the pulley 4, a first gear 6 is installed at the bottom of one group of pulleys 4, the side of the first gear 6 is meshed with a second gear 7, the second gear 7 is installed at the bottom of the motor 8, a thread sleeve 9 is installed on the screw rod 2, a sliding sleeve 10 is installed on the sliding rod 3, the thread sleeve 9 and the sliding sleeve 10 are installed at the four corners of the operating table 11, a rotating block 12 is installed at the bottom of the screw rod 2, a sealing seat 13 is installed at the bottom of the base 1, four groups of fixed blocks 14 are symmetrically installed on both sides of the sealing seat 13, a fixed tube 15 is installed in the fixed block 14, a fixed rod 16 is inserted and installed inside the fixed tube 15, and a limit block is installed on the top of the screw rod 2 and the sliding rod 3.

[0023] Preferably, a group of connecting blocks are installed at the four corners of the bottom of the base 1 and the four corners of the top of the sealing seat 13. The two adjacent groups of connecting blocks are fixedly connected by a group of fixing bolts, thereby forming a fixed connection between the sealing seat 13 and the base 1. The fixing blocks 14 installed on the side of the sealing seat 13 are fixedly connected to the sealing seat 13. The inner side of the fixing tube 15 and the outer side of the fixing rod 16 are provided with matching thread grooves. The top of the fixing rod 16 is set to a hexagonal structure, so that the operator can rotate the fixing rod 16 with a corresponding tool, thereby making the fixing rod 16 move downward along the fixing tube 15, so that the fixing rod 16 can be inserted into the fixing hole opened on the ground, and then the sealing seat 13 can be fixedly installed on the ground by four groups of fixing rods 16, thereby realizing the fixed installation of the device, ensuring that the device has good stability during use;

[0024] Preferably, the slide rod 3 is fixedly mounted on the top of the base 1, the two sets of screw rods 2 are diagonally distributed, and the two sets of slide rods 3 are also diagonally distributed. The base 1 is provided with a rotation groove adapted to the two sets of rotating blocks 12 installed at the bottom of the two sets of screw rods 2. The rotating block 12 is configured as a structure with a thick middle and thin ends, and the rotation groove provided on the base 1 is adapted thereto, thereby forming a rotational connection between the rotating block 12 and the base 1, thereby forming a rotational connection between the screw rod 2 and the base 1;

[0025] Preferably, the pulley 4 is fixedly mounted on the bottom of the rotating block 12, the first gear 6 is mounted on the bottom of the left set of pulleys 4 in the two sets of pulleys 4, the second gear 7 and the first gear 6 are in a plane meshing state, the motor 8 is fixedly mounted on the left side of the bottom of the base 1 through a fixing bolt, and the two sets of pulleys 4 are connected by a belt 5, and then the second gear 7 can be driven by the motor 8 to rotate, thereby driving the first gear 6 to rotate, and then driving the pulley 4 installed on the top of the first gear 6 to rotate, so that the two sets of pulleys 4 maintain a synchronous rotation mode through the belt 5. At this time, the direction and speed of the two sets of pulleys 4 are the same, thereby ensuring that the two sets of screw rods 2 maintain a synchronous rotation mode;

[0026] Preferably, mounting holes are provided at the four corners of the operating table 11, and two groups of wire sleeves 9 and two groups of sliding sleeves 10 are fixedly installed therein. The diameter of the limit block is larger than the diameter of the screw rod 2 and the sliding rod 3, and is also larger than the inner diameter of the wire sleeve 9 and the sliding sleeve 10, so that the operating table 11 cannot be separated from the screw rod 2 and the sliding rod 3 upward. Nine groups of vertical fixing holes are evenly provided on the two groups of sliding rods 3, and two groups of fixing holes are symmetrically provided on the sliding sleeve 10. The two groups of fixing holes are respectively located at the top and bottom of the operating table 11, and the fixing holes opened on the sliding rod 3 and the fixing holes opened on the sliding sleeve 10 are on the same side. The motor 8 is a bidirectional rotatable model, and the forward and reverse rotation of the screw rod 2 can be achieved by the forward and reverse rotation of the motor 8, thereby realizing the height adjustment of the operating table 11. After adjusting the height of the operating table 11 by rotating the screw rod 2, the two groups of fixing bolts are inserted into the fixing holes opened on the sliding sleeve 10. At this time, it should be ensured that the fixing bolt passes through the fixing holes opened on the sleeve 10 and the screw rod 2 at the same time, so that the height of the sleeve 10 on the slide rod 3 can be fixed. At this time, the height of the operating platform 11 remains fixed, and the pressure of the operating platform 11 is borne by the two sets of fixing bolts installed in the sleeve 10, so that the screw rod 2 and the screw sleeve 9 will not be subjected to excessive pressure, thereby ensuring the service life of the two. The height of the fixing holes opened on the slide rod 3 is fixed, so that the height of the operating platform 11 has multiple adjustment gears. The height of the operating platform 11 cannot be adjusted at will, and needs to be adjusted to a state where the two sets of fixing holes on the sleeve 10 and the two adjacent sets of fixing holes on the slide rod 3 correspond to each other. The top of the operating platform 11 is set with a raised structure on all sides, and its top can be used for the production of steel bridge modules. By adjusting the height of the operating platform 11, it can adapt to the production of steel bridge modules of different sizes.

[0027] The standard parts used in this embodiment can be purchased directly from the market, and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology, and the components known to technical personnel in this field, their structures and principles are all known to technical personnel through technical manuals or through conventional experimental methods.

[0028] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments or applied directly or indirectly without departing from the principles and spirit of the present invention. In other related technical fields, the scope of the present invention is defined by the appended claims and their equivalents, which are equally included in the scope of patent protection of the present invention.

Claims

1. A steel bridge production base with a lifting function, comprising a base (1), two sets of screw rods (2) and two sets of slide rods (3) symmetrically mounted on the top of the base (1), characterized in that: The bottom of the screw rod (2) passes through the base (1) and is installed with a pulley (4), and a belt (5) is installed on the pulley (4). A first gear (6) is installed at the bottom of one group of pulleys (4), and a second gear (7) is engaged with the side of the first gear (6). The second gear (7) is installed at the bottom of the motor (8). A wire sleeve (9) is installed on the screw rod (2), and a sliding sleeve (10) is installed on the sliding rod (3). The wire sleeve (9) and the sliding sleeve are connected to each other. The sleeve (10) is installed at the four corners of the operating table (11), a rotating block (12) is installed at the bottom of the screw rod (2), a sealing seat (13) is installed at the bottom of the base (1), four groups of fixed blocks (14) are symmetrically installed on both sides of the sealing seat (13), a fixed tube (15) is installed in the fixed block (14), a fixed rod (16) is inserted into the interior of the fixed tube (15), and a limit block is installed on the top of the screw rod (2) and the sliding rod (3).

2. The steel bridge production base with lifting function according to claim 1 is characterized by: A group of connecting blocks are installed at the four corners of the bottom of the base (1) and the four corners of the top of the sealing seat (13). Two adjacent groups of connecting blocks are fixedly connected by a group of fixing bolts. The fixing block (14) installed on the side of the sealing seat (13) and the sealing seat (13) are fixedly connected. The inner side of the fixing tube (15) and the outer side of the fixing rod (16) are provided with matching thread grooves. The top of the fixing rod (16) is set to a hexagonal structure.

3. The steel bridge production base with lifting function according to claim 1 is characterized by: The slide rod (3) is fixedly mounted on the top of the base (1), the two sets of screw rods (2) are diagonally distributed, and the two sets of slide rods (3) are also diagonally distributed. The base (1) is provided with a rotation groove adapted to the two sets of rotation blocks (12) mounted on the bottom of the two sets of screw rods (2). The rotation blocks (12) are arranged to have a structure with a thick middle and thin ends, and the rotation groove provided on the base (1) is adapted thereto.

4. The steel bridge production base with lifting function according to claim 1 is characterized by: The pulley (4) is fixedly mounted on the bottom of the rotating block (12); the first gear (6) is mounted on the bottom of the left set of pulleys (4) in the two sets of pulleys (4); the second gear (7) and the first gear (6) are in a plane meshing state; the motor (8) is fixedly mounted on the left side of the bottom of the base (1) through a fixing bolt; and the two sets of pulleys (4) are connected by a belt (5).

5. The steel bridge production base with lifting function according to claim 1 is characterized by: The operating table (11) is provided with mounting holes at the four corners, and two groups of thread sleeves (9) and two groups of sliding sleeves (10) are fixedly installed therein. The diameter of the limit block is larger than the diameter of the threaded rod (2) and the sliding rod (3), and is also larger than the inner diameter of the threaded rod (9) and the sliding sleeve (10). Nine groups of vertical fixing holes are evenly provided on the two groups of sliding rods (3). Two groups of fixing holes are symmetrically provided on the sliding sleeve (10). The two groups of fixing holes are respectively located at the top and bottom of the operating table (11). The fixing holes provided on the sliding rod (3) and the fixing holes provided on the sliding sleeve (10) are on the same side. The top of the operating table (11) is surrounded by raised structures.

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