CN213245218U

CN213245218U - Tower crane safety device

Info

Publication number: CN213245218U
Application number: CN202021534646.5U
Authority: CN
Inventors: 崔守乐
Original assignee: Langfang Rongtong Petroleum Machinery Equipment Co ltd
Current assignee: Langfang Rongtong Petroleum Machinery Equipment Co ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-05-21
Anticipated expiration: 2030-07-29

Abstract

The utility model belongs to the technical field of the hoist protection, especially, do: a safety protection device of a tower crane comprises a base and a cross rod which is connected and adjacent to the base, wherein a connecting sleeve is fixed at the central position of the upper surface of the base, a plurality of groups of grooves are formed in the upper end of the connecting sleeve, clamping beads are movably arranged in the grooves, a standard joint connecting column is arranged in the connecting sleeve, a clamping groove is formed in the standard joint connecting column, the clamping beads are arranged on the outer side of the clamping groove, a thread groove is formed in the outer side of the upper end of the standard joint connecting column, an outer cover is connected to the upper end of the standard joint connecting column in a threaded manner, the lower end of the outer cover is tightly attached to the upper surface of the clamping ring, the standard joint connecting column is placed in the connecting sleeve, automatic locking is carried out between the standard joint connecting column and the connecting sleeve through a locking mechanism arranged, the safety of the standard knot after installation is improved.

Description

Tower crane safety device

Technical Field

The utility model belongs to the technical field of the hoist protection, especially, relate to a tower crane safety device.

Background

The tower crane is the most common hoisting equipment on the construction site, is also called as a tower crane, is lengthened section by section, is used for hoisting construction raw materials such as reinforcing steel bars, wood ridges, concrete, steel pipes and the like for construction, and is indispensable equipment on the construction site.

The base of tower crane is the heaviness of the whole device, and the cooperation embedded bolt post carries out fixed position, and the base stable through the installation can play the safety protection effect to the tower crane is whole, makes the tower crane when carrying out work, avoids appearing unexpected circumstances such as collapsing.

The prior art has the following problems: when the standard knot is installed on the base, the connection safety between the standard knot and the base cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a tower crane safety device.

In order to achieve the above object, the utility model provides a following technical scheme: a safety protection device of a tower crane comprises a base and a cross bar for connecting adjacent bases, a connecting sleeve is fixed at the center of the upper surface of the base, a plurality of groups of grooves are arranged at the upper end of the connecting sleeve, the inside of the groove is movably provided with a clamping bead, the connecting sleeve is sequentially fixed with an upper limiting ring and a lower limiting ring from top to bottom, a snap ring is movably arranged on the outer side of the connecting sleeve and is arranged between the upper limiting ring and the lower limiting ring, a spring is connected between the snap ring and the lower limit ring, a standard joint connecting column is installed inside the connecting sleeve, the standard joint connecting column is provided with a clamping groove, the clamping beads are arranged on the outer side of the clamping groove, the outer side of the upper end of the standard joint connecting column is provided with a thread groove, and the standard joint connecting column is connected with an outer cover in a threaded manner, and the lower end of the outer cover is tightly attached to the upper surface of the clamping ring.

As the utility model relates to a tower crane safety device is preferred, the base with formula structure as an organic whole between the adapter sleeve, the multiunit recess has been seted up to the first-class angle of adapter sleeve, the opening aperture of recess is less than the diameter of card pearl.

As the utility model relates to a tower crane safety device is preferred, the inner ring diameter of snap ring with the outside diameter of adapter sleeve is the same, the snap ring with constitute sliding construction between the adapter sleeve, the outer loop diameter of snap ring is greater than upper limit ring outside diameter.

As the utility model relates to a tower crane safety device is preferred, highly being greater than of snap ring the aperture of recess, the snap ring passes through the spring with constitute extending structure between the lower retaining ring, the biggest decline position of snap ring central point with the center of recess is located same horizontal plane.

As the utility model relates to a tower crane safety device is preferred, the outside dimension of standard festival spliced pole with the inside dimension of adapter sleeve is the same, the standard festival spliced pole passes through the draw-in groove with constitute the block structure between the card pearl.

As the utility model relates to a tower crane safety device is preferred, dustcoat upper end central point puts and sets up threaded hole, the dustcoat with constitute elevation structure between the standard festival spliced pole, dustcoat lower extreme inside diameter is greater than go up spacing ring outside diameter, the outside diameter of dustcoat is less than the outside diameter of snap ring.

Compared with the prior art, the beneficial effects of the utility model are that: when standard festival and base carry out erection joint, through the standard festival spliced pole with standard festival four corners setting aim at the adapter sleeve inside, through the inside of placing the adapter sleeve with standard festival spliced pole, through the locking mechanical system that sets up on the adapter sleeve, make and carry out automatic locking between standard festival spliced pole and the adapter sleeve, and then make the firm connection of standard festival and base together, improve the security after the installation of standard festival.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the connection structure of the connection sleeve and the standard joint connection column of the present invention;

fig. 3 is a schematic cross-sectional view of fig. 2 according to the present invention.

In the figure: 1. a base; 2. connecting sleeves; 3. a groove; 4. clamping the beads; 5. an upper limiting ring; 6. a lower limit ring; 7. a snap ring; 8. a spring; 9. connecting columns of standard joints; 10. a card slot; 11. a thread groove; 12. a housing; 13. a cross bar.

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.

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a tower crane safety device, including base 1 and the horizontal pole 13 of connecting adjacent base 1 usefulness, base 1 upper surface central point puts and is fixed with adapter sleeve 2, multiunit recess 3 has been seted up to adapter sleeve 2 upper end, the inside movable mounting of recess 3 has card pearl 4, adapter sleeve 2 is from last to being fixed with in proper order down go up spacing ring 5 and spacing ring 6 down, adapter sleeve 2's outside movable mounting has snap ring 7, snap ring 7 sets up at last spacing ring 5 and between spacing ring 6 down, be connected with spring 8 between snap ring 7 and the spacing ring 6 down, adapter sleeve 2's internally mounted has standard festival spliced pole 9, draw-in groove 10 has been seted up on the standard festival spliced pole 9, the outside of draw-in groove 10 is provided with card pearl 4, threaded groove 11 has been seted up in the standard festival spliced pole 9 upper end outside, threaded connection has dustcoat 12 on the standard festival spliced pole 9, the lower.

In this embodiment: when standard festival and base 1 carry out erection joint, aim at adapter sleeve 2 inside through the standard festival spliced pole 9 with standard festival four corners setting, make standard festival spliced pole 9 place the inside of adapter sleeve 2, through the locking mechanical system that sets up on adapter sleeve 2, make and carry out automatic locking between standard festival spliced pole 9 and the adapter sleeve 2, and then make standard festival and base 1 firm connection together, improve the security after the standard festival installation.

Formula structure as an organic whole between base 1 and the adapter sleeve 2, the equidistance has seted up multiunit recess 3 on the adapter sleeve 2, and the opening aperture of recess 3 is less than the diameter of card pearl 4, installs card pearl 4 through the recess 3 of seting up on the adapter sleeve 2, makes card pearl 4 can change in the inside position of adapter sleeve 2, and then makes adapter sleeve 2 utilize card pearl 4 can inject standard festival spliced pole 9.

The inner ring diameter of snap ring 7 is the same with the outside diameter of adapter sleeve 2, constitutes sliding construction between snap ring 7 and the adapter sleeve 2, and the outer ring diameter of snap ring 7 is greater than spacing ring 5 outside diameter, can slide from top to bottom in the adapter sleeve 2 outside through snap ring 7, changes the position of self, and spacing ring 5 and spacing ring 6's setting down on the while can avoid snap ring 7 to break away from on adapter sleeve 2.

The highly aperture that is greater than recess 3 of snap ring 7, snap ring 7 passes through spring 8 and constitutes extending structure between the spacing ring 6 down, the biggest decline position of snap ring 7 central point and the center of recess 3 are located same horizontal plane, compress spring 8 through snap ring 7, make snap ring 7 can slide on adapter sleeve 2, when snap ring 7 gliding extreme low position, the inboard of snap ring 7 inwards presses card pearl 4, make card pearl 4 at 3 inside activities of recess, make its one side remove the inboard of adapter sleeve 2.

The outside dimension of standard festival spliced pole 9 is the same with the inside dimension of adapter sleeve 2, and standard festival spliced pole 9 passes through draw-in groove 10 and constitutes the block structure between the card pearl 4, installs the inside back of adapter sleeve 2 with standard festival spliced pole 9, through removing card pearl 4, makes the inside that card pearl 4 one side removed draw-in groove 10, and the cooperation through card pearl 4 and draw-in groove 10 makes firm the connection together between adapter sleeve 2 and the standard festival spliced pole 9.

Threaded hole is put to 12 upper ends central points of dustcoat, constitute elevation structure between 12 and the standard festival spliced pole 9 of dustcoat, 12 lower extreme inside diameters of dustcoat are greater than spacing 5 outside diameters of ring, 12 outside diameters of dustcoat are less than the outside diameter of snap ring 7, through the whereabouts of standard festival spliced pole 9, the dustcoat 12 of installation descends on driving the standard festival spliced pole 9, when 12 dustcoats descend, 12 lower extreme of dustcoat is crossed spacing 5 and is pushed down snap ring 7, make 7 compression spring 8 descents of snap ring, and then make the position that changes snap ring 7, control card pearl 4 removes.

The utility model discloses a theory of operation and use flow: after a base composed of a base 1 and a cross rod 13 and a bolt column pre-buried underground are accurately connected and assembled, when a tower crane is assembled, a standard knot and the base are assembled together, when the standard knot is assembled, the standard knot connecting column 9 arranged at four corners of the standard knot is aligned to the inside of the connecting sleeve 2, so that the standard knot connecting column 9 is placed in the connecting sleeve 2, an outer cover 12 arranged on the standard knot connecting column 9 is driven to descend by the descending of the standard knot connecting column 9, when the outer cover 12 descends, the lower end of the outer cover 12 crosses an upper limiting ring 5 to press down a snap ring 7, so that a compression spring 8 of the snap ring 7 descends, the position of the snap ring 7 is changed, the snap ring 7 can slide on the connecting sleeve 2, when the snap ring 7 slides to the lowest position, the inner side of the snap ring 7 inwards presses the snap bead 4, the snap bead 4 moves in the groove 3, and one side of the, let card pearl 4 one side remove the inside of draw-in groove 10, cooperation through card pearl 4 and draw-in groove 10 makes firm the connection together between adapter sleeve 2 and the standard festival spliced pole 9, make adapter sleeve 2 and the automatic locking connection of standard festival spliced pole 9, improve the security after the installation of standard festival, when dismantling standard festival and base, through rotatory dustcoat 12, make dustcoat 12 rise, let snap ring 7 reset under spring 8's effect, and then make card pearl 4 lose fixedly, conveniently with standard festival and base separation.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a tower crane safety device, includes base (1) and connects adjacently horizontal pole (13) that base (1) was used, its characterized in that: the connecting sleeve is characterized in that a connecting sleeve (2) is fixedly arranged at the center of the upper surface of the base (1), a plurality of groups of grooves (3) are formed in the upper end of the connecting sleeve (2), clamping beads (4) are movably arranged in the grooves (3), the connecting sleeve (2) is sequentially fixedly provided with an upper limiting ring (5) and a lower limiting ring (6) from top to bottom, a clamping ring (7) is movably arranged on the outer side of the connecting sleeve (2), the clamping ring (7) is arranged between the upper limiting ring (5) and the lower limiting ring (6), a spring (8) is connected between the clamping ring (7) and the lower limiting ring (6), a standard joint connecting column (9) is arranged in the connecting sleeve (2), a clamping groove (10) is formed in the standard joint connecting column (9), the clamping bead (4) is arranged on the outer side of the clamping groove (10), and a thread groove (11) is formed in the outer, and the standard joint connecting column (9) is connected with an outer cover (12) in a threaded manner, and the lower end of the outer cover (12) is tightly attached to the upper surface of the clamping ring (7).

2. The tower crane safety protection device according to claim 1, wherein: the base (1) with formula structure as an organic whole between adapter sleeve (2), multiunit recess (3) have been seted up to equidistance on adapter sleeve (2), the opening aperture of recess (3) is less than the diameter of card pearl (4).

3. The tower crane safety protection device according to claim 1, wherein: the inner ring diameter of snap ring (7) with the outside diameter of adapter sleeve (2) is the same, snap ring (7) with constitute sliding construction between adapter sleeve (2), the outer ring diameter of snap ring (7) is greater than go up spacing ring (5) outside diameter.

4. The tower crane safety protection device according to claim 1, wherein: the height of snap ring (7) is greater than the aperture of recess (3), snap ring (7) pass through spring (8) with constitute extending structure between spacing ring (6) down, the biggest decline position of snap ring (7) central point with the center of recess (3) is located same horizontal plane.

5. The tower crane safety protection device according to claim 1, wherein: the external dimension of the standard joint connecting column (9) is the same as the internal dimension of the connecting sleeve (2), and the standard joint connecting column (9) passes through the clamping groove (10) and a clamping structure is formed between the clamping beads (4).

6. The tower crane safety protection device according to claim 1, wherein: the center position of the upper end of the outer cover (12) is provided with a threaded hole, a lifting structure is formed between the outer cover (12) and the standard joint connecting column (9), the inner diameter of the lower end of the outer cover (12) is larger than the outer diameter of the upper limiting ring (5), and the outer diameter of the outer cover (12) is smaller than the outer ring diameter of the clamping ring (7).