CN213085218U

CN213085218U - Anti-falling device for tower crane hook

Info

Publication number: CN213085218U
Application number: CN202021554649.5U
Authority: CN
Inventors: 刘慧琦
Original assignee: Changde Dingcheng Yongxin Machinery Manufacturing Co ltd
Current assignee: Changde Dingcheng Yongxin Machinery Manufacturing Co ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-04-30
Anticipated expiration: 2030-07-30

Abstract

The utility model discloses an anti-drop device for tower crane lifting hook relates to tower crane equipment technical field. The lifting hook comprises a lifting hook, a fixed plate and a case, wherein the fixed plate is arranged at the upper end of the lifting hook, the case is arranged at one end of the fixed plate, a hook head is arranged at one end of the lifting hook, a connecting block is fixedly connected to the top of the lifting hook, a clamping groove is formed in one side of the hook head, a positioning column is fixedly connected to the inside of the clamping groove, a clamping plate is arranged on the outer portion of the upper end of the lifting hook, a convex bamboo shoot is fixedly connected to the right end of the fixed plate; the fixing plate structure through setting up the pincerlike is with quick-witted case and lifting hook swing joint, utilizes quick-witted case and dead lever to rotate and is connected, utilizes the fixed rod to seal the lifting hook opening part to prevent that the goods from droing, the connected mode of pincerlike structure is different from current mousing-hook device, has simplified the connection structure between device and the lifting hook, and then reaches the purpose of the dismouting of being convenient for.

Description

Anti-falling device for tower crane hook

Technical Field

The utility model relates to a tower crane equipment technical field specifically is an anti-drop device for tower crane lifting hook.

Background

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

Among the prior art, in the tower crane working process, the lifting hook is the important device of being connected with the goods, need set up anti-drop device on the lifting hook when facing different types of hoist and mount goods, and common lifting hook anti-drop device dismantles the installation inconvenient, can't make timely adjustment according to the difference of goods.

SUMMERY OF THE UTILITY MODEL

The utility model provides an anti-drop device for tower crane lifting hook possesses the advantage of making things convenient for the dismouting to solve the inconvenient problem of dismouting.

For the purpose of realizing making things convenient for the dismouting, the utility model provides a following technical scheme: an anti-falling device for a tower crane hook comprises a hook, a fixed plate and a case, wherein the fixed plate is arranged at the upper end of the hook, and the case is arranged at one end of the fixed plate;

a hook head is arranged at one end of the lifting hook, a connecting block is fixedly connected to the top of the lifting hook, a clamping groove is formed in one side of the hook head, a positioning column is fixedly connected to the inside of the clamping groove, and a clamping plate is arranged on the outer portion of the upper end of the lifting hook;

the right end of the fixed plate is fixedly connected with the convex bamboo shoots, the fixed plate is rotatably connected with connecting plates through the convex bamboo shoots, fixing bolts are inserted between the connecting plates, and one end of each fixing bolt is in threaded connection with a fixing nut;

the left end of machine case is provided with the axis of rotation, the machine case has the sleeve pipe through the axis of rotation in the arnu street, sheathed tube lower extreme sliding connection has the dead lever, the couple has been seted up to the lower extreme of dead lever, be provided with the spring between dead lever and the sleeve pipe, the activity groove has been seted up on sheathed tube right side, the inside fixed mounting of machine case has in-wheel motor, in-wheel motor's output and axis of rotation outside all are provided with the ring gear, the outside transmission of ring gear is connected with the rack.

As a preferred technical scheme of the utility model, the fixed plate includes daughter board and mother board, the equal fixedly connected with lantern ring in left end of daughter board and mother board, the inside rotation of lantern ring is connected with the spliced pole, the lower extreme fixed connection of spliced pole is at quick-witted case upper surface, simple and easy jaw type structure is constituteed through the lantern ring and spliced pole to daughter board and mother board.

As a preferred technical scheme of the utility model, fixed plate radian and lifting hook looks adaptation, both sides closely laminate with the cardboard about the fixed plate when fixed plate is connected with the lifting hook.

As an optimized technical scheme of the utility model, when dead lever and lifting hook were closed, the lower extreme of dead lever passed through couple and reference column joint, just the spring is in tensile state.

As an optimized technical scheme of the utility model, ring gear and sleeve pipe fixed connection in the sleeve pipe.

Compared with the prior art, the utility model provides a tower crane is anti-drop device for lifting hook possesses following beneficial effect:

this anti-drop device for tower crane lifting hook through the fixed plate structure that sets up the pincerlike with quick-witted case and lifting hook swing joint, utilizes quick-witted case and dead lever to rotate and is connected, utilizes the fixed rod to seal the lifting hook opening part to prevent that the goods from droing, the connected mode of pincerlike structure is different from current anti-drop device, has simplified the connection structure between device and the lifting hook, and then reaches the purpose of the dismouting of being convenient for.

Drawings

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

fig. 2 is a schematic view of the connection structure of the fixing rod 33 of the present invention;

fig. 3 is a top view of the fixing plate of the present invention;

fig. 4 is a cross-sectional view of the case 3 of the present invention.

In the figure: 1. a hook; 11. a hook head; 12. connecting blocks; 13. a card slot; 14. a positioning column; 15. clamping a plate; 2. a fixing plate; 201. a daughter board; 202. a motherboard; 203. a collar; 204. connecting columns; 21. convex bamboo shoots; 22. a connecting plate; 23. fixing the bolt; 24. fixing a nut; 3. a chassis; 31. a rotating shaft; 32. a sleeve; 33. fixing the rod; 34. hooking; 35. a spring; 36. a movable groove; 37. a toothed ring; 38. a hub motor; 39. a rack.

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. 1-4, the utility model discloses an anti-drop device for a tower crane hook, comprising a hook 1, a fixing plate 2 and a case 3, wherein the fixing plate 2 is arranged at the upper end of the hook 1, the case 3 is arranged at one end of the fixing plate 2, a hook head 11 is arranged at one end of the hook 1, a connecting block 12 is fixedly connected to the top of the hook 1, a slot 13 is arranged at one side of the hook head 11, a positioning column 14 is fixedly connected to the inside of the slot 13, a clamping plate 15 is arranged at the outer part of the upper end of the hook 1, a convex bamboo shoot 21 is fixedly connected to the right end of the fixing plate 2, the fixing plate 2 is rotatably connected with a connecting plate 22 through the convex bamboo shoot 21, a fixing bolt 23 is inserted between the connecting plates 22, a fixing nut 24 is connected to one end of the fixing bolt 23 through a thread, a rotating shaft 31 is arranged at the left, the lower end of the sleeve 32 is slidably connected with a fixed rod 33, the lower end of the fixed rod 33 is provided with a hook 34, a spring 35 is arranged between the fixed rod 33 and the sleeve 32, the right side of the sleeve 32 is provided with a movable groove 36, the inside of the case 3 is fixedly provided with a hub motor 38, the output end of the hub motor 38 and the outside of the rotating shaft 31 are both provided with toothed rings 37, and the toothed rings 37 are in transmission connection with racks 39.

Specifically, fixed plate 2 includes daughter board 201 and mother board 202, the equal fixedly connected with lantern ring 203 in the left end of daughter board 201 and mother board 202, lantern ring 203 internal rotation is connected with spliced pole 204, the lower extreme fixed connection of spliced pole 204 is on quick-witted case 3 upper surface, daughter board 201 and mother board 202 constitute simple and easy pincerlike structure through lantern ring 203 and spliced pole 204, and the fixed plate 2 of pincerlike structure has simplified the connection structure between mousing-hook structure and the lifting hook 1, and the convenience is installed mousing-hook device.

Specifically, 2 radians of fixed plate and 1 looks adaptations of lifting hook, both sides and 15 inseparable laminating of cardboard about 2 fixed plate and the lifting hook of fixed plate when 2 fixed plate are connected with

lifting hook

1, 2 pincers of fixed plate accomplish unhooking device's fixed and installation in the 1 outside of lifting hook, between cardboard 15.

Specifically, when the fixing rod 33 is closed with the lifting hook 1, the lower end of the fixing rod 33 is clamped with the positioning column 14 through the hook 34, the spring 35 is in a stretching state, the spring 35 enables the fixing rod 33 to keep a pull-up movement trend, and therefore the hook 34 is attached to the surface of the positioning column 14, and the fixing of the fixing rod 33 is completed.

Specifically, the toothed ring 37 in the sleeve 32 is fixedly connected to the sleeve 32, and the hub motor 38 drives the toothed ring 37 in the chassis 3 to rotate, so as to drive the toothed ring 37 in the sleeve 32 to rotate through the rack 39, thereby driving the fixing rod 33 to deflect.

The utility model discloses a theory of operation and use flow: when using, connecting block 12 is connected lifting hook 1 and tower crane, laminate fixed plate 2 in lifting hook 1 both sides, between the cardboard 15, and tie into fixing bolt 23 between connecting plate 22, and fixation nut 24, accomplish being connected of mousing-hook device and lifting hook 1, behind lifting hook 1 carry the goods hawser, in-wheel motor 38 drives ring gear 37 and rotates, and then drive sleeve pipe 32 and rotate, detain dead lever 33 and on lifting hook 1, and with couple 34 and lean on reference column 14, and then seal lifting hook 1, prevent that the goods from droing.

To sum up, this anti-drop device for tower crane lifting hook is through setting up pincerlike fixed plate 2 structure with quick-

witted case

3 and 1 swing joint of lifting hook, utilizes quick-witted case 3 to rotate with dead lever 33 and is connected, utilizes dead lever 33 to seal 1 opening part of lifting hook to prevent that the goods from coming off, the connected mode of pincerlike structure is different from current anti-drop hook device, has simplified the connection structure between device and the lifting hook 1, and then has reached the purpose of the dismouting of being convenient for.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 anti-drop device for lifting hook, includes lifting hook (1), fixed plate (2) and quick-witted case (3), its characterized in that: a fixing plate (2) is arranged at the upper end of the lifting hook (1), a case (3) is arranged at one end of the fixing plate (2), a hook head (11) is arranged at one end of the lifting hook (1), a connecting block (12) is fixedly connected to the top of the lifting hook (1), a clamping groove (13) is formed in one side of the hook head (11), a positioning column (14) is fixedly connected to the inside of the clamping groove (13), and a clamping plate (15) is arranged outside the upper end of the lifting hook (1);

the right end of the fixed plate (2) is fixedly connected with a convex bamboo shoot (21), the fixed plate (2) is rotatably connected with connecting plates (22) through the convex bamboo shoot (21), fixing bolts (23) are inserted between the connecting plates (22), and one end of each fixing bolt (23) is in threaded connection with a fixing nut (24);

the left end of machine case (3) is provided with axis of rotation (31), it has sleeve pipe (32) to rotate in the achene through axis of rotation (31) machine case (3), the lower extreme sliding connection of sleeve pipe (32) has dead lever (33), couple (34) have been seted up to the lower extreme of dead lever (33), be provided with spring (35) between dead lever (33) and sleeve pipe (32), movable groove (36) have been seted up on the right side of sleeve pipe (32), the inside fixed mounting of machine case (3) has in-wheel motor (38), output and axis of rotation (31) outside of in-wheel motor (38) all are provided with ring gear (37), the external transmission of ring gear (37) is connected with rack (39).

2. The anti-falling device for the tower crane hook according to claim 1, characterized in that: the fixed plate (2) comprises a daughter board (201) and a mother board (202), the left ends of the daughter board (201) and the mother board (202) are fixedly connected with a lantern ring (203), a connecting column (204) is rotatably connected inside the lantern ring (203), the lower end of the connecting column (204) is fixedly connected to the upper surface of the case (3), and the daughter board (201) and the mother board (202) form a simple pincer-shaped structure through the lantern ring (203) and the connecting column (204).

3. The anti-falling device for the tower crane hook according to claim 1, characterized in that: the radian of the fixing plate (2) is matched with the lifting hook (1), and the upper side and the lower side of the fixing plate (2) are tightly attached to the clamping plate (15) when the fixing plate (2) is connected with the lifting hook (1).

4. The anti-falling device for the tower crane hook according to claim 1, characterized in that: when the fixing rod (33) is closed with the lifting hook (1), the lower end of the fixing rod (33) is connected with the positioning column (14) in a clamped mode through the hook (34), and the spring (35) is in a stretching state.

5. The anti-falling device for the tower crane hook according to claim 1, characterized in that: the toothed ring (37) in the sleeve (32) is fixedly connected with the sleeve (32).