CN214216075U

CN214216075U - Anchor chain elevator

Info

Publication number: CN214216075U
Application number: CN202022485521.4U
Authority: CN
Inventors: 王飞; 丁邦建; 冒映容; 姜国华
Original assignee: Nantong Liwei Machinery Co Ltd
Current assignee: Nantong Liwei Machinery Co Ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-09-17
Anticipated expiration: 2030-11-02

Abstract

The utility model belongs to anchor chain lifting means field, concretely relates to anchor chain lifting machine. The lifting device is positioned between the front clamping device and the rear clamping device and comprises two main hydraulic cylinders, the two main hydraulic cylinders are arranged on the rack in parallel side by side, the front ends of two piston rods of the two main hydraulic cylinders are respectively fixed at two ends of the bottom of the front clamping device, the bottom of the two main hydraulic cylinders is fixedly connected with the rack through a wedge-shaped frame, the front clamping device is driven by the two main hydraulic cylinders to vertically move on the guide rods, the structure is reasonable, and the mechanization degree is high, the clamping is stable.

Description

Anchor chain elevator

Technical Field

The utility model belongs to anchor chain lifting means field, concretely relates to anchor chain lifting machine.

Background

The anchor chain (cable) is a chain connecting the anchor and the ship body and is used for transmitting and buffering external force applied to the ship. The anchor chain lifting device can also generate a part of friction force, the effect of the friction force is mainly that the ship is fixed and stabilized, along with the continuous development of the ship industry, the load capacity of the ship is higher and higher, the anchoring speed and the anchoring speed of the anchor chain are higher and higher, meanwhile, the higher requirement on the stability is provided, the cost of the traditional anchor chain lifting device is higher, and the installation position is fixed. The utility model discloses promote, store up the chain function from the area, portable carries the multi-point anchor chain.

SUMMERY OF THE UTILITY MODEL

The problem to prior art exists, the utility model provides an anchor chain lifting machine, it is fixed in on the boats and ships deck, plays the effect of traction anchor chain, and its easy operation is rational in infrastructure, and degree of mechanization is high, can compromise stability when guaranteeing speed.

The utility model provides a technical scheme does: a chain hoist is a vertical hoist and comprises a weight cavity, a frame, a clamping device, a lifting device and a chain locker, wherein the frame is fixedly arranged on the weight cavity, the clamping device comprises a front clamping device and a rear clamping device, the front clamping device is connected with the frame in a sliding way through a guide rod, the rear clamping device is fixedly connected with the frame, the front clamping device is positioned above the rear clamping device, the lifting device is positioned between the front clamping device and the rear clamping device and comprises two main hydraulic cylinders, the two main hydraulic cylinders are arranged on the frame in parallel side by side, the front ends of two piston rods of the two main hydraulic cylinders are respectively fixed at two ends of the bottom of the front clamping device, the two main hydraulic cylinders are fixedly connected with the frame through a wedge-shaped frame, the clamping device is driven by the two main hydraulic cylinders to vertically move on the guide rod, the chain locker is used for towing the chain.

The scheme is further improved and optimized: the front clamping device is the same as the rear clamping device and comprises a clamping block and a clamping oil cylinder for driving the clamping block, a guide block is arranged below the clamping block and clamped with the guide block, a connecting frame of a mountain shape is fixed below the guide block, a cavity is formed inside the connecting frame, the guide block horizontally coincides with a middle convex part of the connecting frame, two ends of the connecting frame are fixedly connected with the machine frame, a mounting plate covers the mountain shoulder of the connecting frame and is fixedly connected with the connecting frame, a vertical block is fixed on the mounting plate, the clamping block is rotatably connected with the vertical block through a fixing shaft penetrating through the inside of one end of the clamping block, the fixing shaft extends out of the vertical block, a pin block is embedded in the fixing shaft and is clamped with the inside of the clamping block, one end of the fixing shaft is rotatably connected with a clamping ejector rod of the clamping oil cylinder through a connecting block, and the clamping oil cylinder is horizontally arranged on the side face of the connecting frame, and is rotatably connected with the connecting frame through a vertical lug fixed below the mounting plate. The clamping oil cylinder retracts when the anchor chain needs to be loosened, extends when the anchor chain needs to be clamped, and rotates the clamping block through the pin block on the fixed shaft, so that the clamping block clamps the anchor chain.

The scheme is further improved and optimized: the clamping device comprises a guide block, two clamping blocks and two clamping oil cylinders, wherein the two clamping blocks are oppositely arranged on the guide block, a space is formed between the two clamping blocks, arc-shaped grooves are formed in one sides of the two clamping blocks close to the space, and the two clamping oil cylinders are respectively arranged on two sides of a connecting frame; the middle of the guide block is provided with a cross hole, and the cross is communicated with the interval. This sets up to the anchor chain smoothly passes through and sets up, and the anchor chain passes through the cross hole, realizes pressing from both sides tightly or unclamping by the grip block.

The scheme is further improved and optimized: the front ends of two piston rods of the two main hydraulic cylinders are respectively fixed at two ends of the bottom of the front clamping device, in particular to two ends of an inner cavity of a connecting frame fixed below the front clamping device.

The scheme is further improved and optimized: and a detection device is also fixed on the frame.

The scheme is further improved and optimized: and a sliding wheel set is further fixed at the top of the rack, and the steering direction of the sliding wheel set is consistent with the moving direction of the anchor chain. The pulley block plays a role of a track and can effectively stabilize the motion direction of the anchor chain.

The scheme is further improved and optimized: openings are formed in the upper portion and the bottom of the weight cavity. The upper opening is used for connecting the anchor chain with the clamping device upwards, and the bottom opening is used for descending the anchor chain or the heavy object on the anchor chain to a preset position through the opening.

Compared with the prior art, the utility model discloses the beneficial effect who brings does: the utility model discloses a hydraulic system has energy-concerving and environment-protective characteristics, and hydraulic system control reaches the effect that the precision is high, stable when guaranteeing the express delivery, carries out single chain centre gripping through clamping device around, the stability that has further improved, the utility model discloses a mechanized operation has avoided artificial field operation, has improved the security of operation.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the upper structure of the present invention.

Fig. 3 is a schematic structural view of the front clamping device of the present invention.

Fig. 4 is a sectional view of the clamping block of the present invention connected to the fixing shaft.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below 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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. 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.

As shown in fig. 1 to 4, a chain hoist is a vertical hoist, and comprises a weight cavity 1, a frame 2, a clamping device, a lifting device 5 and a chain locker 6, wherein the frame 2 is fixedly installed on the weight cavity 1, the clamping device comprises a front clamping device 3 and a rear clamping device 4, the front clamping device 3 is slidably connected with the frame 2 through a guide rod 7, the rear clamping device 4 is fixedly connected with the frame 2, the front clamping device 3 is located above the rear clamping device 4, the lifting device 5 is located between the front clamping device 3 and the rear clamping device 4 and comprises two main hydraulic cylinders 51, the two main hydraulic cylinders 51 are parallelly arranged on the frame 2 side by side, the front ends of two piston rods 52 of the two main hydraulic cylinders 51 are respectively fixed at two ends of the bottom of the front clamping device 3, the bottoms of the two main hydraulic cylinders 51 are fixedly connected with the frame through a wedge-shaped frame 53, the front clamping device 3 is driven by two main hydraulic cylinders to move vertically on a guide rod 7.

The front clamping device is described in detail below: the front clamping device 3 is the same as the rear clamping device 4, the front clamping device 3 can move up and down along the guide rod 7, the rear clamping device 4 is fixed on the frame 2, the front clamping device 3 comprises a clamping block 31 and a clamping oil cylinder 32 for driving the clamping block 31, a guide block 33 is arranged below the clamping block 31, the clamping block 31 is connected with the guide block 33 in a clamping manner, a connecting frame 34 of a mountain shape is fixed below the guide block 33, the inside of the connecting frame 34 is a cavity, the front ends of two piston rods of the main hydraulic cylinder 51 are respectively fixed at two ends of the bottom of the front clamping device, specifically at two ends of the inner cavity of the connecting frame below the front clamping device, the middle protruding part of the guide block 33 and the connecting frame is horizontally overlapped, two ends of the connecting frame 34 are fixedly connected with the frame 2, a mounting plate 35 is covered at the position of a mountain shoulder of the connecting frame 34, and the mounting plate 35 is fixedly connected with the connecting frame 34, be fixed with upright piece 36 on the mounting panel 35, the grip block 31 is connected with upright piece 36 rotation through the inside fixed axle 37 of running through its one end, fixed axle 37 extends upright piece 36, the embedded round pin piece 38 that has of fixed axle 37, round pin piece 38 and the inside joint of grip block 31, and fixed axle 37 one end is passed through connecting block 39 and is connected with the centre gripping ejector pin 321 rotation of centre gripping hydro-cylinder 32, centre gripping hydro-cylinder 39 level sets up the side at link 34, and rotates with link 34 through the grudging post 351 of fixing below mounting panel 35 and be connected. Through the joint of round pin piece 38 and grip block 31, the centre gripping hydro-cylinder stretches the jar, and the connecting block is rotatory, and the fixed axle drives and also rotates simultaneously, drives the grip block through the round pin piece simultaneously and moves to the anchor chain, and until the centre gripping ejector pin of centre gripping hydro-cylinder supports the bottom of connecting block 39, the fixed axle stall, grip block centre gripping anchor chain.

In order to clamp the anchor chain, the two clamping blocks 31 and the two clamping oil cylinders 32 are arranged, the two clamping blocks 31 are oppositely arranged on the guide block 33, a space is formed between the two clamping blocks 31, arc-shaped grooves are formed in one sides, close to the space, of the two clamping blocks 31, the arc-shaped grooves are matched with the anchor chain, the clamping blocks are prevented from being damaged due to friction of the anchor chain on the clamping blocks, and the two clamping oil cylinders 32 are respectively arranged on two sides of the connecting frame 34; a cross hole is formed in the middle of the guide block 33, and the cross is communicated with the interval so as to facilitate the passage of an anchor chain.

In addition, a detection device 8 is fixed on the frame 2 and used for limiting the lifting and descending operation processes. In order to stabilize the movement direction of the anchor chain, a sliding wheel set 9 is further fixed to the top of the rack, the steering direction of the sliding wheel set is consistent with the movement direction of the anchor chain, and openings are formed in the upper portion and the bottom of the heavy object cavity and used for enabling the anchor chain to pass in and out.

The utility model discloses action process when promoting the anchor chain does:

1) in the initial state, the front clamping device and the rear clamping device are closed, and the main hydraulic cylinder retracts in place.

2) The front clamping device is closed, and the front clamping oil cylinder retracts to enable the front clamping device to close and clamp the anchor chain.

3) The main hydraulic cylinder is converted into an extension cylinder, so that the front clamping device is stressed to clamp the anchor chain.

4) And the rear clamping device is opened, and the rear clamping oil cylinder extends to enable the rear clamping device to be opened to release the anchor chain.

5) The main hydraulic cylinder extends the cylinder to lift the heavy object connected to the chain.

6) And the rear clamping device is closed, and when the main hydraulic cylinder extends to the right position, the rear clamping device is closed to clamp the anchor chain.

7) The main hydraulic cylinder contracts to make the rear clamping device clamp the anchor chain under stress.

8) The front clamping device is opened, and the front clamping oil cylinder extends to enable the front clamping device to be opened to release the chain.

9) And the main hydraulic cylinder retracts to return.

And (4) retracting the main hydraulic cylinder to a proper position, and repeating the steps to realize continuous lifting of the heavy object.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides an anchor chain lifting machine, its is vertical lifting machine, includes heavy object chamber, frame, clamping device, hoisting device and anchor chain cabin, its characterized in that: frame fixed mounting is on the heavy object chamber, clamping device includes preceding clamping device and back clamping device, preceding clamping device passes through guide arm and frame sliding connection, back clamping device and frame fixed connection, and preceding clamping device is located back clamping device's top, between clamping device and the back clamping device before hoisting device is located, it includes two main hydraulic cylinders, two main hydraulic cylinders parallel arrangement side by side in the frame, two the both ends of clamping device bottom are fixed in respectively to two piston rod front ends of main hydraulic cylinder, two the bottom of main hydraulic cylinder is through wedge frame and frame fixed connection, preceding clamping device is two be vertical migration on the guide arm under the drive of main hydraulic cylinder.

2. The chain hoist as claimed in claim 1, characterized in that: the front clamping device is the same as the rear clamping device and comprises a clamping block and a clamping cylinder for driving the clamping block, a guide block is arranged below the clamping block and clamped with the guide block, a mountain-shaped connecting frame is fixed below the guide block, a cavity is formed in the connecting frame, the guide block horizontally coincides with a middle convex part of the connecting frame, two ends of the connecting frame are fixedly connected with a rack, a mounting plate covers the mountain shoulder of the connecting frame and is fixedly connected with the connecting frame, a vertical block is fixed on the mounting plate, the clamping block is rotatably connected with the vertical block through a fixing shaft penetrating through the inside of one end of the clamping block, the fixing shaft extends out of the vertical block, a pin block is embedded in the fixing shaft and is clamped with the inside of the clamping block, one end of the fixing shaft is rotatably connected with a clamping ejector rod of the clamping cylinder through a connecting block, and the clamping cylinder is horizontally arranged on the side face of the connecting frame, and is rotatably connected with the connecting frame through a vertical lug fixed below the mounting plate.

3. The chain hoist as claimed in claim 2, characterized in that: the clamping device comprises a guide block, two clamping blocks and two clamping cylinders, wherein the two clamping blocks are oppositely arranged on the guide block, a space is formed between the two clamping blocks, arc-shaped grooves are formed in one sides of the two clamping blocks close to the space, and the two clamping cylinders are respectively arranged on two sides of a connecting frame; the middle of the guide block is provided with a cross hole, and the cross is communicated with the interval.

4. A chain hoist as claimed in claim 3, characterized in that: the front ends of two piston rods of the two main hydraulic cylinders are respectively fixed at two ends of the bottom of the front clamping device, in particular to two ends of an inner cavity of a connecting frame fixed below the front clamping device.

5. The chain hoist as claimed in claim 1, characterized in that: and a detection device is also fixed on the frame.

6. The chain hoist as claimed in claim 1, characterized in that: and a sliding wheel set is further fixed at the top of the rack, and the steering direction of the sliding wheel set is consistent with the moving direction of the anchor chain.

7. The chain hoist as claimed in claim 1, characterized in that: openings are formed in the upper portion and the bottom of the weight cavity.