CN213141327U

CN213141327U - Lifting appliance for connecting hydraulic lifting device to hoist large-scale equipment

Info

Publication number: CN213141327U
Application number: CN202021850883.2U
Authority: CN
Inventors: 虞定岳; 敬志峰; 周良晖; 吴立伟; 蒋韬
Original assignee: ZHEJIANG INDUSTRIAL EQUIPMENT INSTALLATION GROUP CO LTD
Current assignee: ZHEJIANG INDUSTRIAL EQUIPMENT INSTALLATION GROUP CO LTD
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-05-07
Anticipated expiration: 2030-08-28

Abstract

The utility model discloses a connect hydraulic lifting device to hoist lifting device of large equipment relates to the lifting device field. In the installation of the electric power engineering boiler, the preparation of a lifting appliance, the mechanical investment and the labor investment which are involved in the lifting of large-scale equipment are large, and according to the conventional winch method, the purchase amount and the loss of a steel wire rope are large, and the investment cost is relatively high. The utility model discloses a barrel, ring baffle, be used for being connected to hydraulic lifting device's steel strand connecting device and being used for connecting the steel wire lifting rope connecting device who lifts by crane the main equipment, ring baffle welds in the inside upper wall of barrel, and steel wire lifting rope connecting device locates the barrel lower part and is used for connecting the steel wire lifting rope, and in steel strand connecting device located the barrel of ring baffle below, steel strand connecting device's external diameter was greater than ring baffle's internal diameter more than 50 mm. The lifting appliance can conveniently lift large-scale equipment through the hydraulic lifting device, is stable and reliable in lifting and good in safety, and can effectively reduce the lifting cost.

Description

Lifting appliance for connecting hydraulic lifting device to hoist large-scale equipment

Technical Field

The utility model relates to a lifting device field especially relates to a connect hydraulic lifting device to hoist lifting device's hoist.

Background

At present, in the installation of a boiler in the electric power engineering, the hoisting of a steam drum of the heaviest large-scale equipment is carried out due to the factors of high value, heavy weight, high in-place and the like of the equipment, and from the scheme design to the real installation in-place, the hoisting tool preparation, the mechanical investment and the labor investment involved in the process are large, and according to the conventional winch method, the purchase amount of a steel wire rope and the loss after one-time use are large, and the one-time investment cost is relatively high. Therefore, the hoisting consideration of cost reduction and safety improvement needs to be carried out on the basis of the traditional hoisting method of the large-scale equipment.

Through the research on the weight and the in-place height of the large-scale equipment, the hoisting mode mainly based on a winch is changed into a hydraulic hoisting method, the method is more stable, safe and reliable, the cost is lower, and a lifting appliance for connecting the large-scale equipment and a hydraulic hoisting device becomes a key for realizing hydraulic hoisting.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that solves and the technical task who provides are perfect and improve prior art scheme, provide a hoist of connecting hydraulic lifting device hoist and mount main equipment to promote hoist and mount safety and reduce the hoist and mount cost as the purpose. Therefore, the utility model adopts the following technical scheme.

The utility model provides a connect hydraulic lifting device to hoist lifting device of main equipment, includes barrel, ring baffle, is used for being connected to hydraulic lifting device's steel strand connecting device and is used for connecting the steel wire lifting rope connecting device who lifts by crane the main equipment, the barrel run through from top to bottom, ring baffle connect and be fixed in the inside upper wall of barrel, steel wire lifting rope connecting device locate the barrel lower part and be used for connecting the steel wire lifting rope, steel strand connecting device locate in the barrel between ring baffle and the steel wire lifting rope connecting device, steel strand connecting device's external diameter be greater than ring baffle's internal diameter more than 50 mm. The lifting appliance can be conveniently connected with a hydraulic lifting device through a steel strand and connected with large equipment through a steel wire lifting rope, the large equipment is lifted through the hydraulic lifting device, the lifting is stable and reliable, the safety is good, any position in the installation process can be reliably locked, the adjustment precision is high, the precision control in the lifting process of the effective improvement equipment is realized, the hydraulic lifting device replaces a traditional winch to lift, and the lifting cost can be effectively reduced.

As a preferable technical means: the steel wire lifting rope connecting device is of a detachable structure and comprises a bearing column and a fixing piece, wherein the bearing column radially penetrates through the side wall of the barrel, the fixing piece is used for fixing the bearing column, and the fixing piece is detachably arranged on the outer wall of the barrel. After the device is disassembled, the steel strand connecting device is convenient to move out of the cylinder, the detachable structure is also convenient to connect and wear the steel wire lifting rope for lifting large-scale equipment, and the steel wire lifting rope is sleeved on the bearing column after the bearing column is fixed through the fixing part.

As a preferable technical means: after the steel wire lifting rope connecting device is disassembled, the steel strand connecting device can be moved out of the barrel body. The barrel can be conveniently moved out of the barrel, the steel strand is conveniently and quickly connected by connecting the steel strand outside the barrel, and the steel strand is moved into the barrel after the connection of the steel strand is completed.

As a preferable technical means: the upper surface of the annular baffle is uniformly distributed with a plurality of reinforcing ribs, the outer sides of the reinforcing ribs are fixedly connected with the inner wall of the cylinder, and the bottoms of the reinforcing ribs are fixedly connected with the upper end surface of the annular baffle. The connecting strength of the annular baffle plate can be effectively enhanced, and the annular baffle plate can better bear the upward pressure of the steel strand connecting device when large-scale equipment is lifted.

As a preferable technical means: the outer diameter of the steel strand connecting device is smaller than the diameter of the inner wall of the cylinder by more than 15 mm. The clearance between the steel strand connecting device and the inner wall of the cylinder body is larger, so that the steel strand connecting device can be conveniently moved in and out of the cylinder body.

As a preferable technical means: the steel strand connecting device comprises an upper anchor clamp, an upper anchor cover, a sleeve with a conical hole and a bearing claw matched with the conical hole of the sleeve, wherein the conical hole of the sleeve is opened at the lower end, the upper end of the sleeve is provided with a through hole penetrating through the steel strand, the middle of the bearing claw is provided with an axial through hole penetrating through the steel strand, the upper anchor clamp and the lower anchor cover are provided with axial through holes which are the same in number and position and are used for penetrating through the steel strand, the number of the sleeve and the bearing claw is the same as that of the axial through holes on the upper anchor clamp, when the steel strand is penetrated, the steel strand penetrates through the axial through holes from the upper end of the upper anchor clamp, then sequentially penetrates through the sleeve and the axial through holes of the bearing claw, finally penetrates through the axial through hole of the lower anchor cover, is screwed into a threaded hole arranged on the lower anchor clamp from the lower side of the lower anchor cover through a plurality of fastening bolts, and is screwed tightly, the inner conical surface of the sleeve presses the bearing clamping jaws in a free state to tighten the clamping jaws, and the inner sides of the clamping jaws are provided with the fine sawteeth, so that the passing steel strands can be tightly gripped.

As a preferable technical means: the one end of bearing post be equipped with the post tail, post tail length is greater than more than 20mm of the sleeve wall upper through-hole diameter that the bearing post passed, the mounting for vertical fixed pin buckle, from last down pass in the pinhole of bearing post. The connection reliability of the bearing column can be effectively realized, and the bearing column is prevented from freely moving in the radial direction of the cylinder body.

As a preferable technical means: axial through holes for penetrating steel strand lines are uniformly distributed around the radial center of the lower anchor clamp in a surrounding manner. The steel strand wires are uniformly distributed, and the force bearing of the lifting appliance is uniform.

As a preferable technical means: the inner wall of the cylinder body, the annular baffle and the reinforcing ribs are all connected in a welding mode. The connection is firm and reliable.

Has the advantages that: the lifting appliance can be conveniently connected with a steel strand and a steel wire lifting rope, is simple and convenient to operate, can be used for conveniently lifting large equipment through the hydraulic lifting device, is stable and reliable in lifting, good in safety, can be reliably locked at any position in the installation process, high in adjustment precision, and capable of effectively improving the precision control in the lifting process of the equipment.

Drawings

Fig. 1 is the hoisting schematic diagram of the large-scale equipment of the utility model.

Fig. 2 is a schematic structural diagram of the present invention.

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

In the figure: 1-a hydraulic lifting device; 2-steel strand; 3-lifting the hanger; 4-steel wire lifting rope; 5-large scale equipment; 301-a barrel; 302-an annular baffle; 303-bearing column; 304-a fixture; 305-reinforcing ribs; 306-anchor card below ground; 307-lower anchor cover; 308-a sleeve; 309-carrying jaws.

Detailed Description

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

As shown in fig. 1-3, a lifting appliance for connecting a hydraulic lifting device to lift large equipment comprises a cylinder 301, an annular baffle 302, a steel strand connecting device for connecting to the hydraulic lifting device 1 and a steel wire lifting rope connecting device for connecting to the lifting large equipment 5, wherein the cylinder 301 penetrates up and down, the annular baffle 302 is fixedly connected to the inner upper wall of the cylinder 301, the steel wire lifting rope connecting device is arranged at the lower part of the cylinder 301 and is used for connecting a steel wire lifting rope 4, the steel strand connecting device is arranged in the cylinder 301 between the annular baffle 302 and the steel wire lifting rope connecting device, and the outer diameter of the steel strand connecting device is larger than the inner diameter of the annular baffle 302 by more than 50 mm.

In order to facilitate the steel strand connecting device to move out of the cylinder 301, the steel wire lifting rope connecting device is of a detachable structure and comprises a bearing column 303 radially penetrating through the side wall of the cylinder 301 and a fixing piece 304 for fixing the bearing column 303, and the fixing piece 304 is detachably arranged on the outer side of the outer wall of the cylinder 301. After the device is disassembled, the steel strand connecting device can be conveniently moved out of the cylinder 301, the detachable structure can also be conveniently used for connecting and penetrating the steel wire lifting rope 4 for lifting the large-scale equipment 5, and the steel wire lifting rope 4 is sleeved on the bearing column 303 after the bearing column 303 is fixed through the fixing piece 304.

In order to connect the steel strand 2 conveniently and quickly, the steel strand connecting device can be moved out of the cylinder 301 after the steel wire lifting rope connecting device is disassembled. After the steel wire lifting rope connecting device is disassembled, the steel strand connecting device can be conveniently moved out of the cylinder 301, the steel strand 2 is conveniently and quickly connected by connecting the steel strand 2 outside the cylinder 301, and the steel strand 2 is moved into the cylinder 301 after the connection is completed.

In order to enhance the connection strength of the annular baffle 302, 6 reinforcing ribs 305 are uniformly distributed on the annular baffle 302 in a surrounding manner, the outer sides of the reinforcing ribs 305 are fixedly connected with the inner wall of the cylinder 301, and the bottoms of the reinforcing ribs 305 are fixedly connected with the upper end face of the annular baffle 302. The connection strength of the annular baffle plate 302 can be effectively enhanced, and the annular baffle plate 302 can better bear the upward pressure of the steel strand connection device when the large-scale equipment 5 is lifted.

In order to facilitate the movement of the steel strand connecting device into and out of the cylinder 301, the outer diameter of the steel strand connecting device is less than 50mm of the diameter of the inner wall of the cylinder 301. The gap between the steel strand connecting device and the inner wall of the cylinder body 301 is large, so that the steel strand connecting device can be conveniently moved in and out of the cylinder body 301.

In order to realize the connection and fixation of the steel strand 2, the steel strand connection device comprises a lower anchor clamp 306, a lower anchor cover 307, a sleeve 308 with a tapered hole, and a bearing claw 309 matched with the tapered hole of the sleeve 308, wherein the tapered hole of the sleeve 308 opens at the lower end, the upper end of the sleeve 308 is provided with an axial through hole for penetrating through the steel strand 2, the middle of the bearing claw 309 is provided with an axial through hole for penetrating through the steel strand 2, the lower anchor clamp 306 and the lower anchor cover 307 are provided with the same number of axial through holes for penetrating through the steel strand 2, the number of the sleeve 308 and the bearing claw 309 is the same as that of the axial through holes on the lower anchor clamp 306, when the steel strand 2 is penetrated, the steel strand 2 penetrates through the axial through holes from the upper end of the lower anchor clamp 306, then sequentially penetrates through the sleeve 308 and the axial through hole of the bearing claw 309, finally penetrates through the axial through hole of the lower anchor cover 307, and is screwed into the arranged threaded hole of the lower anchor clamp 306 from the lower anchor, and when the clamping jaw is tightened, the inner conical surface of the sleeve presses the three-clack loose piece bearing clamping jaw in a free state to tighten the clamping jaw, and the inner side of the clamping jaw is provided with the fine saw teeth, so that the steel strand penetrating through the clamping jaw can be tightly gripped.

In order to realize the reliable connection of the bearing column 303, one end of the bearing column 303 is provided with a column tail, the diameter of the column tail is larger than the diameter of a through hole on the wall of the sleeve 308 through which the bearing column 303 passes by 50mm, and the fixing piece 304 is a vertical fixing pin buckle and penetrates through a pin hole of the bearing column 303 from top to bottom. The connection reliability of the bearing column 303 can be effectively realized, and the bearing column 303 is prevented from freely moving in the radial direction of the cylinder 301.

In order to make the load-bearing of the lifting appliance 3 uniform, in the example, the axial through holes for penetrating the steel strand 2 on the lower anchor clamp 306 are 9, and the radial centers of the lower anchor clamps 306 are uniformly distributed in a surrounding manner. The steel strand wires 2 are uniformly distributed, and the lifting appliance 3 has uniform bearing force.

In order to realize firm connection, the inner wall of the cylinder 301, the annular baffle 302 and the reinforcing ribs 305 are all welded. The connection is firm and reliable.

When the steel strand wires 2 are connected with the hydraulic lifting device 1, the upper ends of 9 steel strand wires 2 penetrate through a hydraulic cylinder of the hydraulic lifting device 1, the steel strand wires 2 are connected and fixed with an upper clamping mechanism and a lower clamping mechanism of the hydraulic cylinder, the steel strand wires penetrate out of the hydraulic cylinder upwards for about 1m, the penetrated steel strand wires are fixed on a guide frame, a steel strand wire comb is firstly penetrated before the steel strand wires penetrate into the hydraulic cylinder, after the steel strand wire comb penetrates into the hydraulic cylinder, the steel strand wire comb is combed once along the steel strand wires, the lower ends of the steel strand wires sequentially penetrate through a lower anchor clamp 306, a sleeve 308, a bearing clamping jaw 309 and a lower anchor cover 307 and are fastened through a fastening bolt, the steel strand wires downwards penetrate through the steel strand wire connecting device for about 10cm, a steel wire lifting rope 4 of the large-scale equipment 5 is sleeved on the bearing column 303, and the bearing column 303 is fastened. After the hydraulic lifting device 1, the hydraulic pump station and the electrical control console form a system, when pressure oil output by the hydraulic pump station pushes a hydraulic cylinder piston to reciprocate, the upper clamping mechanism and the lower clamping mechanism alternately perform load conversion, so that the lifting appliance 3 is lifted upwards, the steel wire lifting rope 4 is lifted upwards, and the lifting operation of the large-scale equipment 5 is realized.

The lifting appliance 3 can be conveniently connected with the hydraulic lifting device 1 through the steel strand wires 2 and connected with the large-scale equipment 5 through the steel wire lifting ropes 4, the large-scale equipment 5 is lifted through the hydraulic lifting device 1, the lifting is stable and reliable, the safety is good, the traditional winch is replaced by the hydraulic lifting device 1 for lifting, the using amount of the steel strand wires 2 is small, and the lifting cost can be effectively reduced.

In this example, the hydraulic lifting device 1 employs a hydraulic jack.

The above lifting tool for connecting a hydraulic lifting device to lift large equipment shown in fig. 1-3 is a specific embodiment of the present invention, which has embodied the substantial features and advantages of the present invention, and can modify the same in terms of shape, structure, etc. according to the actual use requirement, all within the protection scope of the present solution.

Claims

1. The utility model provides a connect hydraulic lifting device to hoist lifting device of heavy equipment which characterized in that: the steel wire lifting rope connecting device comprises a cylinder body (301), an annular baffle plate (302), a steel strand connecting device and a steel wire lifting rope connecting device, wherein the steel strand connecting device is used for being connected to a hydraulic lifting device (1), the steel wire lifting rope connecting device is used for being connected with a large-scale device (5), the cylinder body (301) penetrates through the cylinder body from top to bottom, the annular baffle plate (302) is fixed on the upper wall inside the cylinder body (301), the steel wire lifting rope connecting device is arranged on the lower portion of the cylinder body (301) and is used for being connected with a steel wire lifting rope (4), the steel strand connecting device is arranged in the cylinder body (301) between the annular baffle plate (302) and the steel wire lifting rope connecting device, and the outer diameter of the steel strand connecting.

2. The lifting appliance for connecting the hydraulic lifting device to lift the large equipment according to claim 1, wherein: the steel wire lifting rope connecting device is of a detachable structure and comprises a bearing column (303) and a fixing piece (304), wherein the bearing column (303) penetrates through the side wall of the barrel body (301) in the radial direction, the fixing piece (304) is used for fixing the bearing column (303), and the fixing piece (304) is detachably arranged on the outer wall of the barrel body (301).

3. The lifting appliance for connecting the hydraulic lifting device to lift the large equipment according to claim 2, wherein: after the steel wire lifting rope connecting device is disassembled, the steel strand connecting device can be moved out of the barrel body (301).

4. The lifting appliance for connecting the hydraulic lifting device to lift the large equipment according to claim 1, wherein: a plurality of reinforcing ribs (305) are uniformly distributed on the annular baffle (302) in a surrounding mode, the outer sides of the reinforcing ribs (305) are fixed to the inner wall of the cylinder body (301), and the bottoms of the reinforcing ribs (305) are fixed to the upper end face of the annular baffle (302).

5. The lifting appliance for connecting the hydraulic lifting device to lift the large equipment according to claim 1, wherein: the outer diameter of the steel strand connecting device is smaller than the diameter of the inner wall of the cylinder (301) by more than 15 mm.

6. The lifting appliance for connecting the hydraulic lifting device to lift the large equipment according to claim 1, wherein: the steel strand connecting device comprises a lower anchor clamp (306), a lower anchor cover (307), a sleeve (308) with a conical hole and a bearing claw (309) matched with the conical hole of the sleeve (308), wherein the conical hole of the sleeve (308) is opened at the lower end, a through hole penetrating through a steel strand (2) is formed in the upper end of the sleeve (308), an axial through hole penetrating through the steel strand (2) is formed in the middle of the bearing claw (309), axial through holes which are identical in number and position and are used for penetrating through the steel strand (2) are formed in the lower anchor clamp (306) and the lower anchor cover (307), the number of the sleeve (308) and the number of the bearing claw (309) are identical to the number of the axial through holes in the lower anchor clamp (306), and when the steel strand (2) penetrates through, the steel strand (2) penetrates through the axial through holes from the upper end of the lower anchor clamp (306) and then sequentially penetrates through the sleeve (308), The axial through hole of the bearing clamping jaw (309) finally passes through the axial through hole of the lower ground anchor cover (307), and is screwed into a threaded hole arranged on the lower ground anchor clamp (306) from the lower side of the lower ground anchor cover (307) through a plurality of fastening bolts, and is screwed, when the axial force is applied, the inner conical surface of the sleeve presses the bearing clamping jaw in a free state, so that the clamping jaw is tightened, and the inner side of the clamping jaw is provided with fine sawteeth, so that the passing steel strand can be tightly gripped.

7. The lifting appliance for connecting the hydraulic lifting device to lift the large equipment according to claim 2, wherein: one end of the bearing column (303) is provided with a column tail, the length of the column tail is more than 20mm of the diameter of a through hole in the wall of the sleeve (308) through which the bearing column (303) passes, and the fixing piece (304) is a transverse fixing pin buckle and penetrates through a pin hole of the bearing column (303) from top to bottom.

8. The lifting appliance for connecting a hydraulic lifting device to lift large equipment according to claim 6, wherein the lifting appliance comprises: axial through holes for penetrating the steel strand wires (2) are uniformly distributed around the radial center of the lower anchor clamp (306) on the lower anchor clamp (306).

9. The lifting appliance for connecting a hydraulic lifting device to lift large equipment according to claim 3, wherein the lifting appliance comprises: the inner wall of the cylinder (301), the annular baffle (302) and the reinforcing ribs (305) are all connected in a welding mode.