Assembling and positioning device
By designing an assembly positioning device including reciprocating motors and threaded rods, the problem of inconvenient movement of large parts of steel box girders on highway bridges is solved, and the stable assembly and precise positioning of parts is achieved, and the assembly efficiency and reliability are improved.
Patent Information
- Application Number
- CN202420704143.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-08
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-04-08
AI Technical Summary
The existing highway bridge steel box girder assembly device is inconvenient to move when dealing with large parts and is not practical.
A assembly positioning device including a base, a bracket, an assembly platform, a movable groove, a connecting frame, a reciprocating motor, a threaded rod, a restraining slide sleeve, a restraining bar, a rotating seat, a shaft frame, a roller shaft and a moving roller are designed, and the reciprocating motor is passed The drive threaded rod rotates, combining the restraining sliding sleeve and roller shaft to achieve lifting and rolling of the parts, improving movement convenience.
The stable assembly and precise positioning of steel box girder parts are achieved, and the movement convenience of parts is improved through the liftable mechanism, enhancing assembly efficiency and reliability.
Smart Images

Figure CN222294716U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of installation of steel box girders of highway bridges, in particular to an assembly positioning device. Background Art
[0002] Steel box girder, also called steel plate box girder, is a common structural form for large span bridges. It is generally used on bridges with larger spans. It is called steel box girder because it looks like a box.
[0003] In the installation of steel box girders on highways, corresponding equipment is required for assembly and positioning. There is currently a large steel box girder assembly platform with a Chinese patent publication number of CN220433410U. The splicing components and the main components are used in conjunction with each other. Under normal circumstances, small-sized assembly platforms can be laid without occupying factory area. When larger steel box girders need to be assembled, another set of small-sized assembly platforms are temporarily installed on both sides of the original assembly platform. The utility model is easy to disassemble and has a wide range of applications, which can meet the needs of different scenarios.
[0004] However, this device is inconvenient for moving large and medium-sized parts during assembly and is not practical enough. Utility Model Content
[0005] 1. Technical issues to be resolved
[0006] In view of the deficiencies in the prior art, the utility model provides an assembly positioning device which improves convenience by providing a lifting and lowering rolling mechanism and a movable support for moving parts.
[0007] (II) Technical solution
[0008] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an assembly positioning device, comprising a base, a bracket and an assembly platform, the top of the base is connected to the outer side of the bottom end of the assembly platform through the bracket, and also includes a movable groove, a connecting frame, a reciprocating motor, a threaded rod, a threaded tube, a constraint sleeve, a constraint strip, a rotating seat, an axle frame, a roller shaft and a movable roller. A movable groove is arranged in the middle of the assembly platform, the middle of the top of the base is connected to the bottom end of the connecting frame, the top of the connecting frame is connected to the top of the reciprocating motor, the output end of the reciprocating motor is connected to the bottom end of the threaded rod, the outer wall of the threaded rod is screwed to the inner wall of the threaded tube, the top of the threaded tube is connected to the middle of the bottom end of the rotating seat, the left and right sides of the bottom end of the rotating seat are respectively connected to the top of a group of constraint strips, the left and right sides of the top of the connecting frame are respectively connected to the outer side of a group of constraint sleeves, the outer wall of each group of constraint strips is respectively slidably connected to the inner wall of a group of constraint sleeves, the top of the rotating seat is rotatably connected to the bottom end of the axle frame, and the inner side of the axle frame is horizontally rotatably connected to multiple groups of roller shafts, and the outer side of each group of roller shafts is respectively connected to the inner side of a group of movable rollers.
[0009] Preferably, it also includes a wire encoder and a connecting wire, the rear middle side of the top of the connecting frame is connected to the bottom of the wire encoder, the input end of the wire encoder is connected to the bottom of the connecting wire, and the top of the connecting wire is connected to the rear middle side of the bottom end of the axle frame.
[0010] Preferably, it further comprises baffles, and the bottom end of each group of the constraint strips is respectively connected to the middle part of the top end of a group of baffles.
[0011] Preferably, it also includes an oiling nozzle, and the front side of the bottom end of the rotating seat is provided with an oiling nozzle, and the output end of the oiling nozzle is connected to the inner wall of the rotating seat.
[0012] Preferably, it also includes an oil filling cap, and the outer side of the oil filling nozzle and the inner side of the oil filling cap are detachably mounted.
[0013] Preferably, it further comprises a contact roller sleeve, and the outer side of each group of movable rollers is respectively connected to the inner side of a group of contact roller sleeves.
[0014] (III) Beneficial effects
[0015] Compared with the prior art, the utility model provides an assembly positioning device, which has the following beneficial effects:
[0016] The assembly platform is stably supported by the base and the bracket, and the steel box girder is assembled and positioned on the top of the assembly platform. When it needs to be moved, the reciprocating motor runs stably under the connection of the connecting frame to rotate the threaded rod. The threaded rod is screwed together with the threaded tube, and the constraint strip is slidably constrained by two sets of constraint sleeves, so that the rotating seat connecting shaft frame is vertically lifted in the movable groove, so that the shaft frame lifts the part, and then the moving rollers are driven by multiple sets of rollers to rotate and constrain in the shaft frame, which acts on the part to roll. By setting a liftable rolling mechanism, it has a movable support for the movement of the part, which improves convenience. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is an axial view of the schematic diagram of the structure of the utility model;
[0018] Figure 2 For this utility model Figure 1 Rear view of
[0019] Figure 3 For this utility model Figure 1 The top view of
[0020] Figure 4 It is the left view of the utility model.
[0021] Markings in the attached drawings: 1. base; 2. bracket; 3. assembly platform; 4. movable groove; 5. connection frame; 6. reciprocating motor; 7. threaded rod; 8. threaded tube; 9. constraint sleeve; 10. constraint strip; 11. rotating seat; 12. shaft frame; 13. roller shaft; 14. movable roller; 15. wire encoder; 16. connecting wire; 17. baffle; 18. oiling nozzle; 19. oiling cap; 20. contact roller sleeve. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] Example
[0024] See also Figure 1-4 , an assembly positioning device, including a base 1, a bracket 2 and an assembly platform 3, the top of the base 1 is connected to the outer side of the bottom end of the assembly platform 3 through the bracket 2, and also includes a movable groove 4, a connecting frame 5, a reciprocating motor 6, a threaded rod 7, a threaded tube 8, a constraint sleeve 9, a constraint bar 10, a rotating seat 11, an axle frame 12, a roller shaft 13 and a moving roller 14, a movable groove 4 is arranged in the middle of the assembly platform 3, the middle of the top of the base 1 is connected to the bottom end of the connecting frame 5, the top of the connecting frame 5 is connected to the top of the reciprocating motor 6, the output end of the reciprocating motor 6 is connected to the bottom end of the threaded rod 7, the outer wall of the threaded rod 7 is screwed to the inner wall of the threaded tube 8, the top of the threaded tube 8 is connected to the middle of the bottom end of the rotating seat 11, the left and right sides of the bottom end of the rotating seat 11 are respectively connected to the top of a group of constraint bars 10, and the left and right sides of the top of the connecting frame 5 are respectively connected to the outer side of a group of constraint sleeves 9 The top of the rotating seat 11 is rotatably connected to the bottom of the shaft frame 12, and the inner side of the shaft frame 12 is horizontally rotatably connected with multiple groups of rollers 13, and the outer side of each group of rollers 13 is connected to the inner side of a group of moving rollers 14; the assembly platform 3 is stably supported by the base 1 and the bracket 2, and the assembly and positioning of the steel box girder are carried out on the top of the assembly platform 3. When it needs to be moved, the reciprocating motor 6 runs stably under the connection of the connecting frame 5 to rotate the threaded rod 7. The threaded rod 7 is screwed with the threaded tube 8, and the two groups of constraint sleeves 9 slide the constraint strips 10, so that the rotating seat 11 connects the shaft frame 12 to be vertically lifted in the movable groove 4, so that the shaft frame 12 lifts the part, and then drives the moving roller 14 to rotate and constrain in the shaft frame 12 through multiple groups of rollers 13, so as to act on the rolling of the part.
[0025] It also includes a wire encoder 15 and a connecting wire 16. The rear middle side of the top of the connecting frame 5 is connected to the bottom of the wire encoder 15, the input end of the wire encoder 15 is connected to the bottom of the connecting wire 16, and the top of the connecting wire 16 is connected to the rear middle side of the bottom end of the axle frame 12; when the axle frame 12 is raised or lowered accordingly, the wire encoder 15 is connected and fixed via the connecting frame 5, and the connecting wire 16 acts on the wire encoder 15 to output signals, which is convenient for precise control and improves reliability.
[0026] It also includes a blocking piece 17, and the bottom end of each group of the constraint strips 10 is respectively connected to the middle of the top end of a group of blocking pieces 17; the two groups of blocking pieces 17 can block the lower side of the corresponding constraint strip 10 to prevent the constraint strip 10 from sliding out, thereby improving reliability.
[0027] It also includes an oiling nozzle 18. The front side of the bottom end of the rotating seat 11 is provided with an oiling nozzle 18. The output end of the oiling nozzle 18 is connected to the inner wall of the rotating seat 11. The inner wall of the rotating seat 11 can be oiled through the oiling nozzle 18, which is convenient for lubrication and maintenance.
[0028] It also includes an oil filling cap 19, and the outer side of the oil filling nozzle 18 and the inner side of the oil filling cap 19 are detachably mounted; after the oil filling cap 19 is mounted on the outer side of the oil filling nozzle 18, the inside of the oil filling nozzle 18 can be sealed and protected to improve reliability.
[0029] It also includes a contact roller sleeve 20. The outer side of each group of moving rollers 14 is respectively connected to the inner side of a group of contact roller sleeves 20. The contact roller sleeves 20 can contact the assembled parts of the steel box beam to avoid scratches and improve reliability.
[0030] In summary, when an assembly positioning device is in use, the assembly platform 3 is stably supported by the base 1 and the bracket 2, and the steel box beam is assembled and positioned at the top of the assembly platform 3. When it needs to be moved, the reciprocating motor 6 runs stably under the connection of the connecting frame 5 to rotate the threaded rod 7. The threaded rod 7 is screwed with the threaded tube 8, and the two groups of constraint sleeves 9 are used to slide and constrain the constraint bar 10, so that the rotating seat 11 connected to the shaft frame 12 is vertically lifted in the movable groove 4, and the two groups of blocking pieces 17 can block the lower side of the corresponding constraint bar 10 to prevent the constraint bar 10 from sliding out, thereby lifting High reliability. When the shaft frame 12 is raised or lowered accordingly, the wire encoder 15 is connected and fixed via the connecting frame 5, and the connecting wire 16 acts on the wire encoder 15 to output signals, which is convenient for precise control, so that the shaft frame 12 can lift the part through the contact roller sleeve 20, and then drive the moving roller 14 to rotate and constrain in the shaft frame 12 through multiple sets of rollers 13, which acts on the rolling movement of the part. In addition, the inner wall of the rotating seat 11 can be oiled through the oiling nozzle 18, which is convenient for lubrication and maintenance. After the oiling cap 19 is installed on the outside of the oiling nozzle 18, the inside of the oiling nozzle 18 can be sealed and protected to improve reliability.
[0031] The reciprocating motor 6 and the wire encoder 15 are well-known devices purchased directly from the market by technicians in this field. We only use them here without making any structural or functional improvements to them, so we will not go into details here.
[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An assembly positioning device, comprising a base (1), a bracket (2) and an assembly platform (3), wherein the top of the base (1) is connected to the outer side of the bottom of the assembly platform (3) via the bracket (2), characterized in that: The assembly platform (3) further comprises a movable groove (4), a connecting frame (5), a reciprocating motor (6), a threaded rod (7), a threaded tube (8), a restraining sleeve (9), a restraining strip (10), a rotating seat (11), an axle frame (12), a roller shaft (13) and a moving roller (14); a movable groove (4) is arranged in the middle of the assembly platform (3); the middle of the top of the base (1) is connected to the bottom of the connecting frame (5); the top of the connecting frame (5) is connected to the top of the reciprocating motor (6); the output end of the reciprocating motor (6) is connected to the bottom of the threaded rod (7); the outer wall of the threaded rod (7) is screwed to the inner wall of the threaded tube (8) The top of the threaded tube (8) is connected to the middle of the bottom of the rotating seat (11), the left and right sides of the bottom of the rotating seat (11) are respectively connected to the top of a group of constraint bars (10), the left and right sides of the top of the connecting frame (5) are respectively connected to the outside of a group of constraint sleeves (9), the outer wall of each group of constraint bars (10) is respectively slidably connected to the inner wall of a group of constraint sleeves (9), the top of the rotating seat (11) is rotatably connected to the bottom of the shaft frame (12), the inner side of the shaft frame (12) is horizontally rotatably connected to multiple groups of rollers (13), and the outer side of each group of rollers (13) is respectively connected to the inner side of a group of movable rollers (14).
2. An assembly positioning device according to claim 1, characterized in that: It also includes a wire encoder (15) and a connecting wire (16), wherein the rear middle side of the top end of the connecting frame (5) is connected to the bottom end of the wire encoder (15), the input end of the wire encoder (15) is connected to the bottom end of the connecting wire (16), and the top end of the connecting wire (16) is connected to the rear middle side of the bottom end of the shaft frame (12).
3. The assembly positioning device according to claim 1, characterized in that: It also includes a baffle (17), and the bottom end of each group of the constraint strips (10) is respectively connected to the middle part of the top end of a group of baffles (17).
4. The assembly positioning device according to claim 1, characterized in that: It also comprises an oiling nozzle (18), the front side of the bottom end of the rotating seat (11) is provided with the oiling nozzle (18), and the output end of the oiling nozzle (18) is connected to the inner wall of the rotating seat (11).
5. The assembly positioning device according to claim 4, characterized in that: It also comprises an oil filling cap (19), and the outer side of the oil filling nozzle (18) and the inner side of the oil filling cap (19) are detachably mounted.
6. The assembly positioning device according to claim 1, characterized in that: It also comprises a contact roller sleeve (20), and the outer side of each group of moving rollers (14) is respectively connected to the inner side of a group of contact roller sleeves (20).