CN211257050U

CN211257050U - Tower crane foundation bolt fixing device

Info

Publication number: CN211257050U
Application number: CN201921637646.5U
Authority: CN
Inventors: 不公告发明人
Original assignee: Shanghai Libaite Engineering Technology Co ltd
Current assignee: Shanghai Libaite Engineering Technology Co ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-08-14
Anticipated expiration: 2029-09-29

Abstract

The utility model discloses a tower crane foundation bolt fixing device, including double-screw bolt, base plate and sheath mechanism, the one end fixedly connected with nut of double-screw bolt, the inside parcel of double-screw bolt has the mobile jib, the one end fixedly connected with mobile jib nut of mobile jib, and mobile jib nut and nut fixed connection, the upper surface fixedly connected with plectrum of mobile jib nut, the other end fixedly connected with base of mobile jib, the upper surface of base rotates and is connected with the expander, the one end of expander rotates and is connected with actuating lever A, the one end of actuating lever A rotates and is connected with actuating lever B, and actuating lever B rotates and is connected with the mobile jib, the surface one end fixedly connected with bearing of mobile jib; the base of installing at inside mobile jib of double-screw bolt and mobile jib one end and expand piece, actuating lever A and actuating lever B between base and the mobile jib are convenient for enlarge the device's stability through having designed, and the effectual use that has guaranteed the device prevents that the tower crane slope from overturning.

Description

Tower crane foundation bolt fixing device

Technical Field

The utility model belongs to the technical field of the tower crane, concretely relates to tower crane foundation bolt fixing device.

Background

The tower crane is the most common hoisting equipment on the construction site, also called tower crane, and is used for hoisting construction raw materials such as reinforcing steel bars, wood ridges, concrete, steel pipes and the like for construction by the extension (height) of one section and one section (called standard section for short). The tower crane is an indispensable device on a construction site.

If the bulletin number of authorizing is CN209129022U discloses a fixed tower crane foundation bolt fixing device, though realized simple structure, through hard connection and soft connection dual guarantee, improve the joint strength on tower crane foundation, guarantee the steady normal operating of tower crane, be convenient for extensively promote and use, but do not solve the fixing bolt who is used for fixing on the tower crane foundation bolt fixing device because the structure is the cause, lead to its in the use and by the frictional force of fixed department limited, and then the not enough problem of steady force, we propose a tower crane foundation bolt fixing device for this reason.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tower crane foundation bolt fixing device to the fixing bolt who is used for fixing on providing tower crane foundation bolt fixing device in solving above-mentioned background art leads to its in the use and by the frictional force of fixed department limited because the structure is the cause, and then the not enough problem of steady force.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a tower crane foundation bolt fixing device, includes double-screw bolt, base plate and sheath mechanism, the one end fixedly connected with nut of double-screw bolt, the inside parcel of double-screw bolt has the mobile jib, the one end fixedly connected with mobile jib nut of mobile jib, and mobile jib nut and nut fixed connection, the last fixed surface of mobile jib nut is connected with the plectrum, the other end fixedly connected with base of mobile jib, the upper surface of base rotates and is connected with the piece that expands, the one end of expanding the piece rotates and is connected with actuating lever A, actuating lever A's one end rotates and is connected with actuating lever B, and actuating lever B rotates with the mobile jib and is connected, the surface one end fixedly connected with bearing of mobile jib, the upper surface and the lower surface of bearing all are provided with.

Preferably, the upper surface intermediate position department fixedly connected with rag bolt of base plate, the upper surface both ends of base plate all are provided with C shape mounting, the upper surface of base plate is provided with the mounting panel, the inboard of C shape mounting is provided with the mounting bolt, and C shape mounting and mounting panel and base plate all pass through mounting bolt fixed connection, the surface intermediate position department of double-screw bolt is provided with the spring.

Preferably, the sheath mechanism includes the sheath, the equal fixedly connected with connection piece in both ends of sheath, the equal fixedly connected with in front surface and the rear surface of connection piece is by the stationary blade, offered by the fixed slot by the upper surface of stationary blade, the surface of connection piece is provided with the preforming, the inboard fixedly connected with magnetic path of preforming, and the preforming passes through magnetic path and mounting panel and base plate fixed connection, the fixed slot has been seted up to the inboard of preforming, the one end of fixed slot is provided with fixing bolt, and is passed through by fixed slot and fixing bolt and preforming fixed connection by the stationary blade.

Preferably, the stud and the nut are both hollow cylinders, and the outer surface of the stud is provided with a thread groove.

Preferably, the surface of mobile jib nut is provided with the screw thread recess, the inner wall of nut is provided with the screw thread arch.

Preferably, the cross-sectional shape of the fixing groove is "U" shape, and there are four fixing grooves, and two adjacent fixing grooves are respectively installed at the front end and the rear end of the inner side of the pressing sheet.

Preferably, the number of the pressing sheets is two, the two pressing sheets are respectively arranged at two ends of the sheath, and the outer sides of the pressing sheets are provided with annular grooves.

Preferably, the sectional shape of the fixture block is a circular ring, the inner diameter of the fixture block is equal to one point of the outer diameter of the main rod by one time, and the outer diameter of the fixture block is equal to the inner diameter of the stud.

Preferably, the base has a conical cross-sectional shape, and the outer surface of the base is provided with a threaded groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the base of installing at inside mobile jib of double-screw bolt and mobile jib one end and expand piece, actuating lever A and actuating lever B between base and the mobile jib are convenient for enlarge the device's stability through having designed, and the effectual use that has guaranteed the device prevents that the tower crane slope from overturning.

2. Through having designed the connection piece of installing at the sheath of spring surface, sheath both ends and by the stationary blade and be used for the preforming and the fixed slot of connecting be convenient for shield and installation spring, the effectual spring that has reduced in the use corrosion, damaged and the possibility of being stuck, still reduced the installation degree of difficulty of spring simultaneously.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of a portion of the base of the present invention;

FIG. 3 is a schematic view of the nut of the present invention in a partial cross-sectional view;

FIG. 4 is a schematic top view of the nut of the present invention;

FIG. 5 is a schematic top view of the blade expanding portion of the present invention;

FIG. 6 is a schematic view of a partial cross-sectional structure of the sheath of the present invention;

FIG. 7 is a schematic sectional view of a pressing sheet according to the present invention;

FIG. 8 is a schematic top view of the connecting plate of the present invention;

fig. 9 is a schematic top view of the pressing sheet of the present invention.

In the figure: 1. mounting a plate; 2. tabletting; 3. anchor bolts; 4. a substrate; 5. a nut; 6. a sheath; 7. a C-shaped fixing member; 8. a stud; 9. a base; 10. a fastener bolt; 11. a main rod; 12. a clamping block; 13. a bearing; 14. expanding the sheet; 15. a main rod nut; 16. a shifting sheet; 17. a drive rod A; 18. a drive rod B; 19. a spring; 20. connecting sheets; 21. fixing the bolt; 22. fixing grooves; 23. a fixed sheet; 24. a fixed groove; 25. a magnetic block.

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 to 9, the present invention provides a technical solution: the utility model provides a tower crane foundation bolt fixing device, including double-screw bolt 8, base plate 4 and sheath mechanism, the one end fixedly connected with nut 5 of double-screw bolt 8, the inside parcel of double-screw bolt 8 has mobile jib 11, the one end fixedly connected with mobile jib nut 15 of mobile jib 11, and mobile jib nut 15 and nut 5 fixed connection, the last fixed surface of mobile jib nut 15 is connected with plectrum 16, the other end fixedly connected with base 9 of mobile jib 11, the upper surface of base 9 rotates and is connected with the piece 14 that expands, the one end of expanding piece 14 rotates and is connected with actuating lever A17, the one end of actuating lever A17 rotates and is connected with actuating lever B18, and actuating lever B18 rotates with mobile jib 11 to be connected, the surface one end fixedly connected with bearing 13 of mobile jib 11, the upper surface and the lower surface of bearing 13 all are provided with fixture block 12.

In order to ensure the normal use of the device, in this embodiment, it is preferable that an anchor bolt 3 is fixedly connected to a middle position of the upper surface of the base plate 4, C-shaped fixing members 7 are respectively disposed at two ends of the upper surface of the base plate 4, a mounting plate 1 is disposed on the upper surface of the base plate 4, a fixing member bolt 10 is disposed inside the C-shaped fixing member 7, the C-shaped fixing member 7 is fixedly connected to the mounting plate 1 and the base plate 4 through the fixing member bolt 10, and a spring 19 is disposed at a middle position of the outer surface of the stud 8.

In order to shelter the spring 19, in this embodiment, preferably, the sheath mechanism includes a sheath 6, connecting pieces 20 are fixedly connected to both ends of the sheath 6, fixed pieces 23 are fixedly connected to both front surfaces and rear surfaces of the connecting pieces 20, fixed grooves 24 are formed in the upper surfaces of the fixed pieces 23, pressing pieces 2 are arranged on the outer surfaces of the connecting pieces 20, magnetic blocks 25 are fixedly connected to the inner sides of the pressing pieces 2, the pressing pieces 2 are fixedly connected to the mounting plate 1 and the base plate 4 through the magnetic blocks 25, fixed grooves 22 are formed in the inner sides of the pressing pieces 2, fixing bolts 21 are arranged at one ends of the fixed grooves 22, and the fixed pieces 23 are fixedly connected to the pressing pieces 2 through the fixed grooves 24 and.

In order to ensure the insertion of the stud 8, in the present embodiment, it is preferable that the stud 8 and the nut 5 are both hollow cylinders, and the outer surface of the stud 8 is provided with a threaded groove.

In order to ensure the stability of the main rod 11, in the present embodiment, it is preferable that the outer surface of the main rod nut 15 is provided with a threaded groove, and the inner wall of the nut 5 is provided with a threaded protrusion.

In order to facilitate connection with the connecting piece 20, in the present embodiment, it is preferable that the cross-sectional shape of the fixing groove 22 is "U" shaped, and four fixing grooves 22 are provided, and two adjacent fixing grooves 22 are respectively installed at the front end and the rear end of the inner side of the pressing piece 2.

In order to connect with the connecting piece 20, in the embodiment, preferably, there are two pressing pieces 2, and the two pressing pieces 2 are respectively installed at two ends of the sheath 6, and the outer side of the pressing piece 2 is provided with a circular groove.

In order to fix the bearing 13, in the present embodiment, it is preferable that the sectional shape of the latch 12 is a circular ring, an inner diameter of the latch 12 is equal to one point of an outer diameter of the main rod 11, and an outer diameter of the latch 12 is equal to an inner diameter of the stud 8.

In order to ensure the embedding, in this embodiment, it is preferable that the sectional shape of the base 9 is a cone, and the outer surface of the base 9 is provided with a screw groove.

The utility model discloses a theory of operation and use flow: after the device is installed, a base plate 4 is fixed at a designated position through a foundation bolt 3, then a spring 19 is put into a sheath 6, then a connecting sheet 20 is placed in a groove on the inner side of a pressing sheet 2, a fixed sheet 23 can be embedded into a fixed groove 22, then the pressing sheet 2 is rotated to enable a fixed groove 24 to be aligned with another hole on the fixed groove 22, then the fixed sheet 21 is rotatably embedded into the fixed groove 22, the pressing sheet 2 is fixedly connected with the connecting sheet 20, then the pressing sheet 2 and the sheath 6 are adhered between a stator mounting plate 1 and the base plate 4 through a magnet 25, then a stud 8 is inserted, and the spring 19 is ensured to be positioned on the outer surface of the stud 8, when the stud 8 is inserted into a certain depth, a main rod 15 is rotated through a shifting sheet 16, the main rod nut 15 drives the main rod 11 to rotate the main rod 11, and the driving expansion sheet 14 is driven to be expanded through a driving rod A17 and a driving rod B18, the stability of the device is further improved, and finally the C-shaped fixing piece 7 is fixed between the mounting plate 1 and the base plate 4 through the fixing piece bolt 10.

Although embodiments of the present invention have been shown and described, 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 tower crane foundation bolt fixing device, includes double-screw bolt (8), base plate (4) and sheath mechanism, its characterized in that: the one end fixedly connected with nut (5) of double-screw bolt (8), the inside parcel of double-screw bolt (8) has mobile jib (11), the one end fixedly connected with mobile jib nut (15) of mobile jib (11), and mobile jib nut (15) and nut (5) fixed connection, the last fixed surface of mobile jib nut (15) is connected with plectrum (16), the other end fixedly connected with base (9) of mobile jib (11), the upper surface rotation of base (9) is connected with expands piece (14), the one end rotation of expanding piece (14) is connected with actuating lever A (17), the one end rotation of actuating lever A (17) is connected with actuating lever B (18), and actuating lever B (18) is connected with mobile jib (11) rotation, the surface one end fixedly connected with bearing (13) of mobile jib (11), the upper surface and the lower surface of bearing (13) all are provided with fixture block (12), and the fixture block (12) is fixedly connected with the stud (8).

2. The tower crane foundation bolt fixing device of claim 1, characterized in that: the utility model discloses a double-screw bolt (8) for the building, including base plate (4), the upper surface intermediate position department fixedly connected with rag bolt (3) of base plate (4), the upper surface both ends of base plate (4) all are provided with C shape mounting (7), the upper surface of base plate (4) is provided with mounting panel (1), the inboard of C shape mounting (7) is provided with mounting bolt (10), and C shape mounting (7) all pass through mounting bolt (10) fixed connection with mounting panel (1) and base plate (4), the surface intermediate position department of double-screw bolt (8) is provided with spring (19).

3. The tower crane foundation bolt fixing device of claim 2, characterized in that: the sheath mechanism comprises a sheath (6), connecting pieces (20) are fixedly connected to the two ends of the sheath (6), fixed pieces (23) are fixedly connected to the front surface and the rear surface of the connecting pieces (20), fixed grooves (24) are formed in the upper surface of each fixed piece (23), pressing pieces (2) are arranged on the outer surfaces of the connecting pieces (20), magnetic blocks (25) are fixedly connected to the inner sides of the pressing pieces (2), the pressing pieces (2) are fixedly connected with mounting plates (1) and base plates (4) through the magnetic blocks (25), fixed grooves (22) are formed in the inner sides of the pressing pieces (2), fixing bolts (21) are arranged at one ends of the fixed grooves (22), and the fixed pieces (23) are fixedly connected with the pressing pieces (2) through the fixed grooves (24) and the fixing bolts (21).

4. The tower crane foundation bolt fixing device of claim 1, characterized in that: the stud (8) and the nut (5) are both hollow cylinders, and the outer surface of the stud (8) is provided with a thread groove.

5. The tower crane foundation bolt fixing device of claim 1, characterized in that: the outer surface of the main rod nut (15) is provided with a thread groove, and the inner wall of the nut (5) is provided with a thread protrusion.

6. The tower crane foundation bolt fixing device of claim 3, characterized in that: the cross section of each fixing groove (22) is U-shaped, four fixing grooves (22) are arranged, and two adjacent fixing grooves (22) are respectively arranged at the front end and the rear end of the inner side of the pressing sheet (2).

7. The tower crane foundation bolt fixing device of claim 3, characterized in that: the pressing sheets (2) are arranged in two, the two pressing sheets (2) are respectively arranged at two ends of the sheath (6), and the outer sides of the pressing sheets (2) are provided with circular grooves.

8. The tower crane foundation bolt fixing device of claim 1, characterized in that: the section of the fixture block (12) is circular, the inner diameter of the fixture block (12) is equal to one point of the outer diameter of the main rod (11) by one time, and the outer diameter of the fixture block (12) is equal to the inner diameter of the stud (8).

9. The tower crane foundation bolt fixing device of claim 1, characterized in that: the cross section of the base (9) is conical, and a threaded groove is formed in the outer surface of the base (9).