CN217998992U

CN217998992U - Straight-pull sleeve

Info

Publication number: CN217998992U
Application number: CN202222188887.4U
Authority: CN
Inventors: 金永彬; 王小敏; 吴畏; 刘长平
Original assignee: Jiangsu Heyue New Material Technology Co ltd
Current assignee: Jiangsu Heyue New Material Technology Co ltd
Priority date: 2022-08-19
Filing date: 2022-08-19
Publication date: 2022-12-09
Anticipated expiration: 2032-08-19

Abstract

The utility model discloses a straight pull sleeve, including sleeve main part, hangers, U-shaped screw rod, crossbeam and nut, the sleeve main part cover is established on ground anchor basis screw-thread steel, and two threaded connection, makes the sleeve main part can rotate on ground anchor basis screw-thread steel and twist, realizes the stretch-draw to the prestressing force steel strand wires, the hangers and sleeve main part welded fastening, the U-shaped screw rod is hung at the right-hand member of hangers, the crossbeam is installed on the prestressing force steel strand wires, makes the crossbeam can drive prestressing force steel strand wires lateral shifting to advance further stretch-draw; through increase anti-disengaging structure in current straight-pull sleeve structure for the crossbeam can not take place to drop because of the not hard up tip of U-shaped screw rod of nut takes place during follow-up use, thereby improves the taut stability to the prestressing force steel strand wires, has guaranteed the holistic stability and the security of this straight-pull sleeve structure, has solved the problem that the crossbeam probably takes place to drop because of the not hard up of nut among the former straight-pull sleeve structure.

Description

Straight-pull sleeve

Technical Field

The utility model belongs to the technical field of photovoltaic support prestressing force steel strand wires tensioning, concretely relates to straight pull sleeve.

Background

On the side post of flexible photovoltaic support, all can set up the prestressing force steel strand to be connected the prestressing force steel strand with a straight pull sleeve structure with earth anchor basis screw-thread steel, realize the tensioning of prestressing force steel strand and adjust, thereby improve the side post stability of flexible photovoltaic support, this kind of straight pull sleeve structure generally comprises parts such as sleeve main part, hangers, U-shaped screw rod, crossbeam and nut.

Current straight-pull sleeve structure when using, need be rotatory through the nut with on the U-shaped screw rod, cause the crossbeam with prestressing steel strand wires pulling tensioning, nevertheless because do not take effectual anticreep measure between U-shaped screw rod and the crossbeam, lead to the crossbeam later stage probably to take place to drop because of not hard up of nut to reduce the holistic stability of straight-pull sleeve structure and security, for this the utility model provides a straight-pull sleeve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a straight-pull sleeve to solve the current straight-pull sleeve structure who proposes in the above-mentioned background art and do not take effectual anticreep measure problem between U-shaped screw rod and crossbeam.

In order to achieve the above object, the utility model provides a following technical scheme: a straight pull sleeve comprises a sleeve main body, a hanging lug, a U-shaped screw rod, a cross beam and a nut, wherein the sleeve main body is sleeved on ground anchor foundation screw steel and is in threaded connection with the ground anchor foundation screw steel, so that the sleeve main body can be screwed on the ground anchor foundation screw steel in a rotating mode to stretch a prestressed steel strand, the hanging lug is fixedly welded with the sleeve main body, the U-shaped screw rod is hung at the right end of the hanging lug, the cross beam is installed on the prestressed steel strand to enable the cross beam to move laterally with the prestressed steel strand to stretch further, the left end of the prestressed steel strand penetrates through the left side of the cross beam and is fixed with a base sleeve to realize connection of the cross beam and the prestressed steel strand, the two ends of the cross beam are respectively sleeved at the two ends of the U-shaped screw rod, the nuts are tightly attached to the cross beam, the cross beam can be screwed through rotation of the nuts to push the cross beam, the anti-falling structure is arranged at both ends of the cross beam, the cross beam can be prevented from directly falling off from the U-shaped screw rod, the overall stability of the straight-pulling sleeve structure is improved, the anti-falling structure comprises an inner groove, a T-shaped block, a spring, a pull rod and a pull plate, the inner groove is formed in both ends of the cross beam, the T-shaped block is movably connected in the inner groove through the spring, strip-shaped slideways are formed in both end surfaces of the U-shaped screw rod, the end parts of the T-shaped block penetrate into the strip-shaped slideways and cannot slide out of the strip-shaped slideways, the anti-falling effect can be achieved on the cross beam, the normal transverse movement of the cross beam is not affected, the pull plates are arranged on both end surfaces of the cross beam, the pull rods are fixed at both ends of the pull plates, the end parts of the pull rods penetrate into the inner groove and are fixed with the T-shaped block, and the T-shaped block can be pulled through the pull plates, the anti-falling limit of the cross beam can be removed, the normal disassembly and assembly of the cross beam are realized, and the center of the pulling plate is also provided with a supporting structure.

Preferably, bearing structure installs the rotatory bracer in the rectangular channel including seting up the rectangular channel on arm-tie surface and rotating, the bracer has all been seted up on the both ends surface of crossbeam, can be after the arm-tie pulling, and with rotatory ninety degrees of rotatory bracer, can support the arm-tie through rotatory bracer, prevent the resilience of arm-tie, the rectangular channel internal fixation has the axis, and rotatory bracer rotates the cover and establish epaxially for rotatory bracer can rotate round the axis, the trepanning has been seted up to the center department of rotatory bracer, and the inner wall embedding of trepanning installs the inner rubber sleeve, the inner wall and the axis of inner rubber sleeve are laminated mutually, centraxonial symmetry is fixed with two circular archs, four circular recesses have been seted up to the inner wall of inner rubber sleeve, and circular protruding embedding to one of them circular recess for supplementary spacing after the rotation of rotatory bracer rotates.

Preferably, a cylindrical groove is formed in the surface of one side of the T-shaped block, one end of the spring is embedded into the cylindrical groove, the mounting stability of the spring is guaranteed, two rod holes are formed in the surfaces of the two ends of the cross beam and correspond to the pull rod, smooth penetration and pulling of the pull rod are guaranteed, a circular through hole is formed in the end portion of the hanging lug in a penetrating mode, and the size of the circular through hole corresponds to that of the U-shaped screw rod.

Compared with the prior art, the beneficial effects of the utility model are that: through increase anti-disengaging structure in current straight-pull sleeve structure for the crossbeam can not take place to drop from the tip of U-shaped screw rod because of the not hard up of nut during follow-up use, thereby improves the taut stability to the prestressing force steel strand wires, has guaranteed the holistic stability and the security of this straight-pull sleeve structure, has solved the problem that the crossbeam probably takes place to drop because of the not hard up of nut among the former straight-pull sleeve structure.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a cross-sectional view of the junction between the cross beam and the U-shaped screw according to the present invention;

FIG. 4 is an enlarged view of a portion of the area A in FIG. 3 according to the present invention;

FIG. 5 is an enlarged view of a portion of the area B of FIG. 4 according to the present invention;

FIG. 6 is an enlarged view of a portion of the area C of FIG. 5 according to the present invention;

in the figure: 1. a sleeve body; 2. ground anchor foundation deformed steel; 3. hanging a lug; 4. a U-shaped screw; 5. a cross beam; 6. a nut; 7. pre-stressed steel strands; 8. a base sleeve; 9. pulling a plate; 10. an inner tank; 11. a T-shaped block; 12. a strip-shaped slideway; 13. a spring; 14. a pull rod; 15. rotating the supporting block; 16. a middle shaft; 17. an inner rubber sleeve; 18. a supporting groove; 19. a circular protrusion; 20. a circular groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1 to 6, the present invention provides a technical solution: a straight pull sleeve comprises a sleeve main body 1, a hanging lug 3, a U-shaped screw rod 4, a cross beam 5 and a nut 6, wherein the sleeve main body 1 is sleeved on ground anchor foundation screw steel 2 and is in threaded connection with the ground anchor foundation screw steel 2, the hanging lug 3 and the sleeve main body 1 are fixedly welded, the sleeve main body 1 can be rotated and screwed through the hanging lug 3 subsequently, the U-shaped screw rod 4 is hung at the right end of the hanging lug 3, the cross beam 5 is installed on a prestress steel strand 7, the left end of the prestress steel strand 7 penetrates through the left side of the cross beam 5 and is fixedly provided with a base sleeve 8, connection between the prestress steel strand 7 and the cross beam 5 is realized, two ends of the cross beam 5 are respectively sleeved at two ends of the U-shaped screw rod 4, the cross beam 5 can slide on the U-shaped screw rod 4, the nuts 6 are respectively sleeved at two ends of the U-shaped screw rod 4, the nuts 6 are tightly attached to the cross beam 5, the cross beam 5 can be driven to transversely move through rotation and screwing of the nuts 6, two ends of the cross beam 5 are respectively provided with anti-falling structures, the anti-falling structure comprises an inner groove 10, a T-shaped block 11, a spring 13, a pull rod 14 and a pull plate 9, wherein the inner groove 10 is formed in each of two ends of the cross beam 5, the T-shaped block 11 is movably connected in each inner groove 10 through the spring 13, a strip-shaped slideway 12 corresponding to the T-shaped block 11 is formed in each surface of each end of the U-shaped screw 4, the end part of the T-shaped block 11 penetrates into the strip-shaped slideway 12, the T-shaped block 11 can only slide in the strip-shaped slideway 12 and cannot move out of the strip-shaped slideway 12, so that the anti-falling effect is achieved on the cross beam 5 under the condition that the transverse movement of the cross beam 5 is not influenced, the pull plates 9 are arranged on the surfaces of the two ends of the cross beam 5, the pull rods 14 are fixed at the two ends of the pull plates 9, and the end parts of the pull rods 14 penetrate into the inner grooves 10 and are fixed with the T-shaped blocks 11, accessible arm-tie 9 can remove the anticreep spacing to crossbeam 5 with the 11 pulling of T-shaped piece, ensures crossbeam 5's normal dismouting, and the center department of arm-tie 9 still is equipped with bearing structure.

In this embodiment, preferably, the supporting structure includes a rectangular groove formed in the surface of the pulling plate 9 and a rotary supporting block 15 rotatably installed in the rectangular groove, supporting grooves 18 corresponding to the rotary supporting block 15 are formed in the surfaces of both ends of the cross beam 5, after the pulling plate 9 is pulled, one end of the rotary supporting block 15 is screwed into the supporting groove 18, the pulling plate 9 can be supported and limited, springback of the pulling plate 9 and the T-shaped block 11 is prevented, convenience is brought to dismounting and mounting of the cross beam 5, a central shaft 16 is fixed in the rectangular groove, the rotary supporting block 15 is rotatably sleeved on the central shaft 16, so that the rotary supporting block 15 can normally rotate, a sleeve hole corresponding to the central shaft 16 is formed in the center of the rotary supporting block 15, an inner rubber sleeve 17 is embedded in the inner wall of the sleeve hole, the inner wall of the inner rubber sleeve 17 is attached to the central shaft 16, two circular protrusions 19 are symmetrically fixed on the surface of the central shaft 16, the inner rubber sleeve 17 is a rubber member, four circular grooves 20 corresponding to the circular protrusions 19 are formed in the inner wall of the inner rubber sleeve 17, the circular groove 19 is embedded into one of the circular groove 20, so that the rotary supporting block 15 can rotate to a certain degree after the rotary supporting block rotates to rotate to the other circular groove, and the other circular supporting block 15.

In this embodiment, preferably, a cylindrical groove is formed in a surface of one side of the T-shaped block 11, one end of the spring 13 is embedded into the cylindrical groove, so that the installation stability of the spring 13 is ensured, two rod holes corresponding to the inner groove 10 are formed in surfaces of two ends of the cross beam 5, the rod holes correspond to the pull rods 14, so that the pull rods 14 can smoothly penetrate through the cylindrical groove, circular through holes are formed in end portions of the hangers 3, the size of the circular through holes corresponds to that of the U-shaped screw rods 4, and the U-shaped screw rods 4 can be smoothly hung on the end portions of the hangers 3.

The utility model discloses a theory of operation and use flow: when the straight pull sleeve structure is used, the nut 6 can be rotated, so that the cross beam 5 drives the base sleeve 8 and the prestressed steel strand 7 to laterally move, a section of tensioning distance of the prestressed steel strand 7 can be adjusted through the screwing amount of the nut 6, then the sleeve main body 1 can also rotate to enable the sleeve main body 1 to drive the prestressed steel strand 7 to move towards the direction of the ground anchor foundation deformed steel bar 2, and a section of tensioning distance of the prestressed steel strand 7 can be adjusted through rotation of the sleeve main body 1, so that the connecting distance between the ground anchor foundation deformed steel bar 2 and the prestressed steel strand 7 can be conveniently adjusted, and the construction error on site can be compensated;

during subsequent use, because the end part of the T-shaped block 11 is always positioned in the strip-shaped slideway 12 under the pushing of the spring 13, even if the nut 6 is loosened in the later stage, the end part of the T-shaped block 11 can only slide in the strip-shaped slideway 12 and cannot be moved out of the strip-shaped slideway 12, the cross beam 5 can be prevented from falling off from the U-shaped screw 4, the condition that the prestressed steel strand 7 is loosened can only occur, and the safety accident can be reduced as much as possible, when the cross beam 5 needs to be detached from the U-shaped screw 4 for maintenance in the later stage, only the pulling plate 9 needs to be pulled, so that the pulling plate 14 carries the T-shaped block 11 to move, the spring 13 is compressed, the end part of the T-shaped block 11 is pulled into the inner groove 10, the cross beam 5 can not be limited any more, then the rotary supporting block 15 rotates ninety degrees, one end of the rotary supporting block 15 can be screwed into the supporting groove 18, the pulling plate 9 can be supported through the rotary supporting block 15, the rebounding of the pulling plate 9 at the other end of the cross beam 5 can be prevented, the nut 6 can be rotated, the nut 5 can be detached from the U-shaped slideway 4, the cross beam 5 can be conveniently mounted and the anti-pulling-off structure, and the cross beam can be conveniently mounted and the anti-pulling-off structure can be conveniently.

Although embodiments of the present invention have been shown and described (with particularity and detail in the foregoing description), it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a straight pull sleeve, includes sleeve main part (1), hangers (3), U-shaped screw rod (4), crossbeam (5) and nut (6), sleeve main part (1) cover is established on earth anchor basis screw-thread steel (2), and the two threaded connection, hangers (3) and sleeve main part (1) welded fastening, U-shaped screw rod (4) are hung at the right-hand member of hangers (3), install on prestressing force steel strand wires (7) crossbeam (5), and the left end of prestressing force steel strand wires (7) runs through to the left side of crossbeam (5) and be fixed with base cover (8), the both ends of crossbeam (5) are overlapped respectively at the both ends of U-shaped screw rod (4), just the both ends of U-shaped screw rod (4) are all overlapped and are equipped with nut (6), its characterized in that nut (6) are hugged closely with crossbeam (5): the both ends of crossbeam (5) all are equipped with anti-disengaging structure, anti-disengaging structure includes inside groove (10), T-shaped piece (11), spring (13), pull rod (14) and arm-tie (9), inside groove (10) have all been seted up to the both ends of crossbeam (5), and has T-shaped piece (11) through spring (13) swing joint in inside groove (10), bar slide (12) have all been seted up on the both ends surface of U-shaped screw rod (4), just the tip of T-shaped piece (11) runs through to in bar slide (12), the both ends surface of crossbeam (5) all is provided with arm-tie (9), the both ends of arm-tie (9) all are fixed with pull rod (14), just the tip of pull rod (14) runs through to the inside of inside groove (10) and is fixed mutually with T-shaped piece (11), the center department of arm-tie (9) still is equipped with bearing structure.

2. A straight pull sleeve as claimed in claim 1 wherein: the supporting structure comprises a rectangular groove formed in the surface of the pulling plate (9) and a rotary supporting block (15) rotatably installed in the rectangular groove, and supporting grooves (18) are formed in the surfaces of the two ends of the cross beam (5).

3. A straight pull sleeve as claimed in claim 2 wherein: a middle shaft (16) is fixed in the rectangular groove, and the rotary supporting block (15) is rotatably sleeved on the middle shaft (16).

4. A straight pull sleeve as claimed in claim 3 wherein: the center of the rotary supporting block (15) is provided with a trepanning, an inner rubber sleeve (17) is embedded into the inner wall of the trepanning, and the inner wall of the inner rubber sleeve (17) is attached to the middle shaft (16).

5. A straight pull sleeve as claimed in claim 4 wherein: two circular bulges (19) are symmetrically fixed on the surface of the middle shaft (16), four circular grooves (20) are formed in the inner wall of the inner rubber sleeve (17), and the circular bulges (19) are embedded into one of the circular grooves (20).

6. A straight pull sleeve as claimed in claim 1 wherein: a cylindrical groove is formed in the surface of one side of the T-shaped block (11), and one end of the spring (13) is embedded into the cylindrical groove.

7. A straight pull sleeve as claimed in claim 1 wherein: two rod holes are formed in the surfaces of the two ends of the cross beam (5), and the rod holes correspond to the pull rods (14).

8. A straight pull sleeve as claimed in claim 1 wherein: the end part of the hanging lug (3) is provided with a circular through hole in a penetrating way, and the size of the circular through hole corresponds to that of the U-shaped screw rod (4).