CN210710362U

CN210710362U - Crane hook

Info

Publication number: CN210710362U
Application number: CN201921509081.2U
Authority: CN
Inventors: 姚一凡; 宋金龙; 崔向进
Original assignee: Beijing Public Rail Green Chain Multimodal Transport Co Ltd
Current assignee: Beijing Public Rail Green Chain New Energy Transportation Co ltd
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-06-09
Anticipated expiration: 2029-09-10

Abstract

The utility model relates to a crane hook, it includes that the hawser connects, the bottom that connects at the hawser rotates and is connected with the lifting hook, the lifting hook includes fixed hook and locking Assembly, locking Assembly's one end and hawser joint bottom fixed connection, the other end stretches out to the tail end of fixed hook, locking Assembly includes the driving piece, driving piece one end connects bottom fixed connection with the hawser, the other end of driving piece stretches out towards the tail end of fixed hook, sliding connection has the retaining member on the driving piece, the length direction of retaining member sets up along the length direction of driving piece, the length of retaining member is the same with the distance between the free end of driving piece and the tail end of fixed hook. The utility model discloses the effect that has automatic switching.

Description

Crane hook

Technical Field

The utility model relates to a couple especially relates to a crane couple.

Background

When the crane is used for hoisting a heavy object, the hook of the crane is usually used for hooking the heavy object body or the packaging cable of the heavy object, so that the working efficiency is improved. The hook used by the existing crane is mainly of an open type, so that the cable is easy to slide off the hook when hooking the cable, and even accidents are caused. Couple can set up anti-skidding buckle a bit, but need manual switching, the buckle can't be opened or closed by oneself when personnel are not enough or the crane breaks down in the eminence, brings very big trouble for normal operation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a crane couple, it has the effect of automatic switching.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a crane couple, includes that hawser connects, rotates in hawser joint's bottom and is connected with the lifting hook, its characterized in that: the lifting hook includes fixed hook and locking Assembly, locking Assembly's one end and hawser joint bottom fixed connection, the other end stretches out to fixed hook's tail end, locking Assembly includes the driving piece, driving piece one end and hawser joint bottom fixed connection, the other end of driving piece stretches out towards fixed hook's tail end, sliding connection has the retaining member on the driving piece, the length direction of retaining member sets up along the length direction of driving piece, the length of retaining member is the same with the distance between the free end of driving piece and the tail end of fixed hook.

Through adopting above-mentioned technical scheme, through the cooperation setting of fixed hook and locking Assembly, realize the switching that can nimble control lifting hook.

The utility model discloses further set up to: the driving piece comprises a micro motor, the micro motor is fixed at the bottom end of the cable connector, a lead screw is fixedly connected to an output shaft of the micro motor, the free end of the lead screw extends out towards the tail end of the fixing hook, a protective sleeve is arranged outside the lead screw, one end of the protective sleeve is fixedly connected with the bottom end of the cable, and the lead screw is covered by the protective sleeve.

Through adopting above-mentioned technical scheme, through the setting of driving piece, through remote control micro motor, can make micro motor drive the lead screw and rotate, and then realize driving the length direction motion of retaining member along the lead screw in a flexible way to seal the fixed hook opening.

The utility model discloses further set up to: the retaining member is including being located the protective sheath and threaded connection has the locking post on the lead screw, and the length direction of locking post is the same with the length direction of lead screw, is provided with the spout relatively on the lateral wall of locking post, and the position fixing relative with the spout is with stopper, spout and stopper looks adaptation on the protective sheath.

Through adopting above-mentioned technical scheme, through the setting of retaining member, be located the spout through locking post and lead screw threaded connection and cooperation stopper, realize that the accessible lead screw rotates, drive the locking post and can be in a flexible way seal or open the opening side of lifting hook.

The utility model discloses further set up to: the locking column is fixed with a convex block at one end which is attached to the tail end of the fixed hook, and the tail end of the fixed hook is provided with a groove matched with the convex block.

Through adopting above-mentioned technical scheme, through the cooperation setting of lug with the recess, prevent that the locking post from moving towards the direction that deviates from the fixed hook lateral wall.

The utility model discloses further set up to: the cable joint comprises a connecting frame, the connecting frame is U-shaped, the top end of the connecting frame is provided with an opening, and the bottom end of the connecting frame is a closed side and is rotatably connected with the lifting hook. Two free ends of the connecting frame are fixedly connected with fixing rings relatively, and connecting pieces are inserted in a manner of crossing the fixing rings.

Through adopting above-mentioned technical scheme, through the setting that hawser connects, the realization is convenient for fix crane couple and hawser are nimble.

The utility model discloses further set up to: the connecting piece is including crossing the connecting bolt who fixes the solid ring, and connecting bolt's one end is fixed with the bolt cap, and the maximum width of bolt cap is greater than the diameter of solid ring, and connecting bolt's the other end that stretches out solid ring coordinates and is fixed with fixation nut.

Through adopting above-mentioned technical scheme, through the setting of connecting piece, be convenient for make link and connecting piece enclose to establish and be the closed ring to be convenient for fixed with the hawser.

The utility model discloses further set up to: the top fixedly connected with of lifting hook rotates the post, rotates the direction that the lifting hook was kept away from to the closed side direction of post through connection frame and stretches out, is provided with the external screw thread rotating the post one end that stretches out the link confined side, and the cooperation rotates post threaded connection and has adjusting nut.

Through adopting above-mentioned technical scheme, through the cooperation setting of rotating post and adjusting nut, the realization is convenient for nimble control and is rotated the elasticity degree that post and hawser connect to be convenient for nimble regulation lifting hook.

The utility model discloses further set up to: the inside wall of fixed hook is provided with anti-skidding line.

Through adopting above-mentioned technical scheme, through the setting of anti-skidding line, further prevent to hang the heavy object on the fixed hook and follow the landing on the fixed hook.

To sum up, the utility model discloses a beneficial technological effect does:

1. the opening and closing of the lifting hook can be flexibly controlled through the matching arrangement of the fixed hook and the locking component;

2. through the arrangement of the locking assembly and the matching arrangement of the driving piece and the locking piece, the driving piece can be remotely controlled to drive the locking piece to flexibly move, so that the opening and closing of the lifting hook can be flexibly controlled;

3. through the arrangement of the cable joint, the lifting hook and the cable can be quickly and flexibly fixed.

Drawings

FIG. 1 is a schematic view of a crane hook construction;

FIG. 2 is a cross-sectional view of a crane hook;

FIG. 3 is an exploded view of a crane hook;

fig. 4 is a schematic structural diagram of the limiting block and the sliding groove.

In the figure, 1, a cable joint; 11. a connecting frame; 111. a fixing ring; 12. a connecting bolt; 121. a bolt cap; 13. fixing a nut; 2. a hook; 21. a fixed hook; 211. a protective pattern; 212. a groove; 22. a locking assembly; 221. a drive member; 2211. a micro motor; 2212. a screw rod; 2213. a protective sleeve; 22131. a limiting block; 222. a locking member; 2221. a locking post; 2222. a chute; 2223. a bump; 23. rotating the column; 24. and adjusting the nut.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a crane hook, including cable tie-in 1, rotate in cable tie-in 1's bottom and be connected with lifting hook 2 to hang the heavy object in a flexible way. The lifting hook 2 comprises a fixed hook 21 and a locking component 22, one end of the locking component 22 is fixedly connected with the bottom end of the cable joint 1, and the other end of the locking component extends out of the tail end of the fixed hook 21. The inner side wall of the fixing hook 21 is provided with an anti-slip pattern so as to prevent a heavy object hung on the fixing hook 21 from slipping off the fixing hook 21.

The cable joint 1 comprises a connecting frame 11, the connecting frame 11 is U-shaped, the top end of the connecting frame 11 is an opening, and the bottom end of the connecting frame 11 is a closed side and is rotatably connected with the lifting hook 2. Fixed rings 111 are fixedly connected to two free ends of the connecting frame 11 relatively, connecting bolts 12 are inserted in the way of crossing the fixed rings 111, caps 121 are fixed to one ends of the connecting bolts 12, the maximum width of the caps 121 is larger than the diameter of the fixed rings 111, fixing nuts 13 are arranged at the other ends of the connecting bolts 12 extending out of the fixed rings 111 in a matched mode, the fixing nuts 13 are in threaded connection with the connecting bolts 12, and the connecting frame 11 and the connecting bolts 12 are matched to be arranged, so that a crane hook and a mooring rope can be flexibly fixed.

At the rotation post 23 of the vertical setting of top fixedly connected with of lifting hook 2, the direction of keeping away from lifting hook 2 in the sealed side direction that rotates post 23 through connection frame 11 stretches out, is provided with the external screw thread in the one end that rotates post 23 and stretch out 11 closed sides of connection frame, and 23 threaded connection of cooperation rotation post has adjusting nut 24, and through adjustment adjusting nut 24's elasticity, can adjust lifting hook 2 and hawser joint 1's elasticity in a flexible way to nimble control lifting hook 2's rotation.

Referring to fig. 2, the locking assembly 22 includes a driving member 221, one end of the driving member 221 is fixedly connected to the bottom end of the cable joint 1, the other end of the driving member 221 extends toward the tail end of the fixing hook 21, a locking member 222 is slidably connected to the driving member 221, and the length direction of the locking member 222 is arranged along the length direction of the driving member 221. The driving part 221 drives the locking part 222 to move towards the tail end close to or far away from the fixed hook 21 along the length direction of the driving part 221, so that the crane hook can be flexibly opened and closed, and the heavy object is prevented from slipping off the hook 2.

The driving member 221 includes a micro motor 2211, the micro motor 2211 is fixed at the bottom end of the cable connector 1, an output shaft of the micro motor 2211 is fixedly connected with a lead screw 2212, a free end of the lead screw 2212 extends out towards the tail end of the fixing hook 21, a protecting sleeve 2213 is sleeved outside the lead screw 2212, one end of the protecting sleeve 2213 is fixedly connected with the bottom end of the cable connector 1, and the protecting sleeve 2213 covers the lead screw 2212.

Referring to fig. 2 and 3, the locking member 222 includes a locking post 2221 disposed in the shield 2213 and threadedly coupled to the lead screw 2212, the length direction of the locking post 2221 is the same as the length direction of the lead screw 2212, referring to fig. 4, a sliding slot 2222 is oppositely disposed on a side wall of the locking post 2221, a limiting block 22131 is fixed on the shield 2213 at a position opposite to the sliding slot 2222, and the sliding slot 2222 is adapted to the limiting block 22131, so as to prevent the locking post 2221 from rotating simultaneously when the lead screw 2212 rotates. The length of the locking post 2221 is the same as the distance between the bottom end of the lead screw 2212 and the tail end of the fixing hook 21.

The micro motor 2211 is started, so that the micro motor 2211 drives the lead screw 2212 to rotate, and further the locking column 2221 in threaded connection with the lead screw 2212 moves towards the tail end of the fixed hook 21. When the end of the locking post 2221 opposite to the tail end of the fixed hook 21 is attached to the fixed hook 21, the micro-motor 2211 stops rotating, so that the fixed hook 21 is enclosed into a closed loop, and a heavy object hung on the fixed hook 21 can be prevented from sliding off the fixed hook 21.

A projection 2223 is fixed at one end of the locking column 2221, which is close to the tail end of the fixing hook 21, a groove 212 matched with the projection 2223 is formed at the tail end of the fixing hook 21, and the groove 212 is waist-shaped, so that the locking column 2221 is further prevented from moving in the direction away from the outer side wall of the fixing hook 21.

An operator can remotely control the starting and closing of the micro motor 2211, so that the rotation direction of the screw rod 2212 is flexibly controlled, the locking column 2221 can be enabled to move close to or far away from the tail end of the fixed hook 21 along the length direction of the screw rod 2212, the opening and closing between the fixed hook 21 and the locking assembly 22 are flexibly controlled as required, the heavy object hung on the fixed hook 21 in the transportation process is prevented from sliding off from the fixed hook 21, the lifting hook 2 can be flexibly opened after the heavy object falls at a designated position, and the heavy object can be conveniently taken down.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a crane couple, includes hawser joint (1), rotates in the bottom that hawser connects (1) and is connected with lifting hook (2), its characterized in that: lifting hook (2) are including fixed hook (21) and locking Assembly (22), the one end and the hawser of locking Assembly (22) connect (1) bottom fixed connection, the other end stretches out to the tail end of fixed hook (21), locking Assembly (22) are including driving piece (221), driving piece (221) one end connects (1) bottom fixed connection with the hawser, the other end of driving piece (221) stretches out towards the tail end of fixed hook (21), sliding connection has retaining member (222) on driving piece (221), the length direction of retaining member (222) is followed the length direction setting of driving piece (221), the length of retaining member (222) is the same with the distance between the free end of driving piece (221) and the tail end of fixed hook (21).

2. A crane hook as claimed in claim 1, wherein: the driving piece (221) comprises a micro motor (2211), the micro motor (2211) is fixed to the bottom end of the cable connector (1), an output shaft of the micro motor (2211) is fixedly connected with a lead screw (2212), the free end of the lead screw (2212) extends out towards the tail end of the fixing hook (21), a protective sleeve (2213) is sleeved outside the lead screw (2212), one end of the protective sleeve (2213) is fixedly connected with the bottom end of the cable, and the protective sleeve (2213) covers the lead screw (2212).

3. A crane hook as claimed in claim 2, wherein: the locking piece (222) comprises a locking column (2221) in threaded connection with the lead screw (2212), the length direction of the locking column (2221) is the same as that of the lead screw (2212), a sliding groove (2222) is oppositely arranged on the side wall of the locking column (2221), a limiting block (22131) is fixed at a position, opposite to the sliding groove (2222), on the protecting sleeve (2213), and the sliding groove (2222) is matched with the limiting block (22131).

4. A crane hook as claimed in claim 3, wherein: a convex block (2223) is fixed at one end of the locking column (2221) which is attached to the tail end of the fixed hook (21), and a groove (212) matched with the convex block (2223) is formed in the tail end of the fixed hook (21).

5. A crane hook as claimed in claim 1, wherein: the mooring rope joint (1) comprises a connecting frame (11), the connecting frame (11) is U-shaped, the top end of the connecting frame (11) is provided with an opening, the bottom end of the connecting frame (11) is a closed side and is rotatably connected with the lifting hook (2), two free ends of the connecting frame (11) are fixedly connected with fixing rings (111) relatively, and a connecting piece is inserted and connected in a mode of crossing the fixing rings (111).

6. A crane hook as claimed in claim 5, wherein: the connecting piece includes connecting bolt (12) of crossing relative solid fixed ring (111) that sets up, and the one end of connecting bolt (12) is fixed with cap (121), and the maximum width of cap (121) is greater than the diameter of solid fixed ring (111), and the other end cooperation that stretches out solid fixed ring (111) of connecting bolt (12) is fixed with fixation nut (13).

7. A crane hook as claimed in claim 5, wherein: the top fixedly connected with of lifting hook (2) rotates post (23) vertical setting, rotates the direction that the lifting hook (2) was kept away from to the closed side direction that post (23) run through link (11) and stretches out, is provided with the external screw thread rotating post (23) and stretches out the one end of link (11) confined side, and cooperation rotates post (23) threaded connection has adjusting nut (24).

8. A crane hook as claimed in claim 1, wherein: the inner side wall of the fixed hook (21) is provided with anti-skid grains.