CN223534723U

CN223534723U - A hoisting device for a large pump

Info

Publication number: CN223534723U
Application number: CN202422770037.4U
Authority: CN
Inventors: 于天文; 王旭东; 黄维凤
Original assignee: Ningxia Yingfu Jinhe Technology Co ltd
Current assignee: Ningxia Yingfu Jinhe Technology Co ltd
Priority date: 2024-11-14
Filing date: 2024-11-14
Publication date: 2025-11-11
Anticipated expiration: 2034-11-14

Abstract

The utility model discloses hoisting equipment for a large pump. The equipment comprises a door-shaped frame, a lifting arm, a sliding lifting appliance and ground nails, wherein the door-shaped frame is structurally used for providing stable support for lifting operation and can bear the weight of a large pump and the forces in all directions. The sliding lifting appliance moves along the lifting arm through the pulley, so that the large pump is easily transferred to other positions from the station, accurate positioning is realized, and operation is simplified. The equipment is fixed through the ground nail, increases the steadiness, ensures hoist and mount process safety. The guy cable design of the sliding lifting appliance improves the moving convenience, does not need additional equipment such as a crane, reduces the lifting cost and improves the applicability.

Description

Hoisting equipment for large pump

Technical Field

The utility model relates to the field of machinery, in particular to hoisting equipment for a large pump.

Background

Pump-like devices are often installed on large liquid tanks and are used for the transport and circulation of liquids. The pump type equipment can fail or the components are aged after long-term operation, and the equipment needs to be overhauled or replaced. However, since facilities for lifting and maintenance of equipment are not generally designed on the liquid pool, the in-situ maintenance and disassembly process becomes very complicated once the equipment is damaged. The existing hoisting means mainly comprise the following steps, but each has the following defects:

And the crane is adopted for hoisting, namely the crane is adopted for hoisting the fault equipment, so that extra hoisting cost is generated, and the overhaul cost is obviously increased. In addition, when the liquid pool is indoor, the crane is used and a hole is formed in the top of a house, so that the complexity of field operation is increased, accumulated water or rainwater can permeate into the hole in rainy days, and potential safety hazards are brought.

The liquid pool is provided with the support, the temporary support is built on the pool to lift the equipment, but the support is difficult to build, the support cannot stably support the weight of the equipment, and great potential safety hazards exist. Meanwhile, even if the support can lift the equipment, the equipment cannot move transversely to the outside of the pool, so that the subsequent maintenance or replacement is affected.

To above-mentioned problem, the urgent need of prior art is a simple, safe and stable hoist device, can accomplish hoist and mount and shift work fast convenient when equipment trouble, effectively reduces cost of maintenance, improves maintenance efficiency.

Disclosure of Invention

In order to solve the technical problems, the utility model provides hoisting equipment for a large pump.

The utility model is realized by the following technical scheme:

the utility model relates to hoisting equipment of a large pump, which comprises:

The door-shaped frame comprises two vertical rods which are symmetrically arranged, wherein the upper ends of the two vertical rods are fixedly connected through a cross rod, the lower end of the cross rod is provided with a strip-shaped base which is vertically arranged with the vertical rods, and the strip-shaped base is fixedly connected with the ground through ground nails;

The lifting arm is vertically arranged with the cross rod and is fixedly connected with the cross rod, and one end of the lifting arm, which is not fixedly connected with the cross rod, is fixedly connected with the wall surface through a ground nail;

The sliding lifting device is connected with the lifting arm in a sliding way and can slide along the lifting arm;

And the ground nail is an expansion bolt.

The door-type lifting device is characterized in that a door-type frame and a lifting arm are installed in place through ground nails, lifting equipment is integrally fixed, at the moment, one part of the lifting arm is located right above a large pump, one part of the lifting arm is located right above a maintenance position or a transfer position, when the door-type lifting device is used, the large pump is lifted from a station through a pulley connected to a sliding lifting appliance through a rope, then the sliding lifting appliance is moved, the large pump is enabled to reach a transfer position along the lifting arm from the station, and then the large pump is transferred through a conveying device.

In summary, after the installation of the hoisting device is completed, the structure of the door-shaped frame provides stable support for the hoisting operation of the large pump. The vertical bars and the cross bars are vertically arranged, and the bar-shaped base is fixed, so that the weight of the large pump and forces in various directions generated in the hoisting process can be borne, and the door-shaped frame is not easy to incline or shake. In addition, the strip-shaped base is firmly connected with the ground through the ground nails, so that the stability of the door-shaped frame is further improved, and the safety of the equipment in the operation process is ensured.

The design of the sliding lifting appliance enables the position of the large pump to be conveniently adjusted in the lifting process. The lifting appliance can flexibly slide along the lifting arm in a sliding connection mode, and the accurate positioning of the pump can be realized without repeated installation and disassembly. When the pulley connected to the sliding lifting appliance is used, friction and resistance in lifting operation are effectively reduced through the cooperation of the pulley and the rope, so that the lifting process is more stable. In addition, the position of the sliding lifting appliance is adjusted, so that the lifting step is simplified, and the lifting efficiency is further improved.

Or alternatively, the first and second heat exchangers may be,

A lifting device for a large pump, comprising:

The door-shaped frame comprises a first half frame and a second half frame, wherein the first half frame and the second half frame are a pair of vertical bending rods with opposite bending directions, the first half frame is inserted into the second half frame to form a door-shaped frame with adjustable width, and a plurality of fastening bolts are arranged on the second half frame;

The lifting arm is in sliding connection with the upper end bending part of the second half frame of the door-type frame, and the lifting arm is vertically arranged with the door-type frame; one end of the lifting arm, which is not connected with the door-shaped frame, is fixedly connected with the wall surface through a ground nail or is connected with the ground through a movable supporting rod which is vertically arranged;

The ground nail is inserted into the ground or the wall surface through the door-shaped frame or the lifting arm, and is provided with mutually matched threads and nuts, so that the door-shaped frame or the lifting arm is fixedly connected to the ground or the wall surface.

The width of the first half frame and the width of the second half frame can be adjusted in a plugging and fastening bolt mode so as to meet the hoisting requirements of large pumps with different widths and heights. The plug-in design of the two half frames not only ensures that the installation and the disassembly of the door frame are more convenient, but also can provide flexible adjustment in different working condition scenes, and is suitable for various specifications of large pumps. In addition, the adjustable landing leg can be adjusted in height according to the actual field requirements, so that the level and stability of the door-shaped frame are ensured, and the hoisting process is safer and more reliable.

The adjustable landing leg comprises a vertical sleeve and a strip-shaped base, one end of the vertical sleeve is vertically and fixedly connected with the strip-shaped base, the other end of the vertical sleeve is sleeved with the first half frame or the second half frame, a fastening bolt is arranged on the vertical sleeve, the adjustable landing leg is matched with a plurality of cushion blocks for adjusting the height of the door-shaped frame, when the door-shaped frame needs to be lifted, the cushion blocks are placed in the vertical sleeve, the fastening bolt is arranged on the adjustable landing leg, and the strip-shaped base is fixedly connected with the ground through a ground nail.

The design of the vertical sleeve and the strip-shaped base of the adjustable supporting leg ensures the firmness of the door-shaped frame, and the fastening bolt arranged on the vertical sleeve is convenient for locking the height of the supporting leg, so that the height deviation is avoided during loading. The cushion blocks can be increased or decreased to be placed in the vertical sleeve, so that the adaptability of the adjustable supporting legs is further improved, the large downward pressure is born when the large pump is hoisted, and the adjustable supporting legs are suitable for hoisting scenes with different height requirements. When the ground is uneven, the cushion blocks with different numbers can be used for adjustment, so that the door-shaped frame is ensured to be in a horizontal state, and the overall stability is enhanced.

Further, the lifting arm includes;

The arm main body is provided with one end which is connected with the second half frame in a sliding way through a clamp, and the other end of the arm main body is fixedly connected with the fixed seat;

The cross section of the clamp is rectangular, one side of the cross section of the clamp is provided with a notch, the clamp is sleeved on the second half frame, and the notch is used for avoiding a fastening bolt arranged on the second half frame when the clamp slides along the second half frame;

the fixing seat is used for fixing the arm main body on a wall surface through a ground nail or fixedly connected with the movable supporting rod through the ground nail.

The design of the lifting arm enables the lifting arm to bear the weight of a large pump and adjust the sliding position according to actual conditions when the lifting arm is connected with the second half frame. The clamp can avoid the position of the fastening bolt in the sliding process by arranging a notch on one side, so that the sliding adjustment of the lifting arm is more convenient. The fixing seat is connected with the wall surface or the movable supporting rod through the ground nail, so that the stability of the lifting arm is ensured, and loosening or deformation in the lifting process is avoided.

Further, the sliding hanger includes:

the connecting plates are symmetrically arranged in two;

The two rollers are respectively arranged along the vertical direction, connected between the two connecting plates and perpendicular to the connecting plates, and are positioned at the upper side and the lower side of the lifting arm and contacted with the upper surface and the lower surface of the lifting arm;

And the hanging rod is arranged between the two connecting plates and positioned below the roller below and used for being connected with the pulley.

The structure of the sliding lifting appliance further improves the stability of equipment in the lifting process. The two rollers can be respectively contacted with the upper surface and the lower surface of the lifting arm, so that the lifting appliance is ensured to be stable when sliding, and shaking is avoided. The symmetrical design of the connecting plates not only enhances the bearing capacity of the lifting appliance, but also effectively disperses the stress on the rollers, and prolongs the service life of the equipment. The hanging rod is used for connecting the pulleys, and a reliable hanging point is provided for hanging the large pump.

Further, the above ground nail includes:

a step shaft part, wherein the step shaft part is a plurality of step shafts with diameters from small to large in sequence;

A threaded portion which is a cylindrical body with threads, is coaxially arranged with the stepped shaft portion, and is provided at one end of the stepped shaft portion having the largest diameter;

And a prismatic part which is arranged at the other end of the threaded part and can be used as a force receiving part when hammering the ground nail.

The design of the stepped shaft portion of the ground stud provides a stable support, facilitates the fixing of the ground stud to the ground or wall surface, and prevents loosening. The screw thread part is fixed, so that the screw thread part passes through the door-shaped frame or the lifting arm and then can fix the door-shaped frame or the lifting arm through the nut, and the prismatic part is used as a stress part of the ground nail to ensure that the ground nail is not damaged in the hammering process. The stability and the fastness of equipment in the installation have been promoted to whole structural design.

Further, the movable supporting rod includes:

The connecting head is fixedly connected with the lifting arm through a ground nail;

one end of the stay bar is fixedly connected with the connecting head part, and the other end of the stay bar is fixedly connected with the bottom part;

The bottom is a rectangular plate and can conduct vertical pressure to the bearing foundation.

The connecting head of the movable supporting rod and the supporting rod enable the movable supporting rod to be flexibly connected to the lifting arm, meanwhile, the rectangular plate at the bottom can effectively conduct pressure borne by the lifting arm, and when a wall surface does not exist near a lifting environment, the movable supporting rod is used for providing stable support in the lifting process. The design effectively disperses the pressure during hoisting, and avoids structural deformation and inclination caused by local stress.

Further, a lifting appliance moving cable is arranged on the sliding lifting appliance, one end of the lifting appliance moving cable is fixedly connected with the sliding lifting appliance, and the other end of the lifting appliance moving cable penetrates through a fixed pulley arranged on the lifting arm and then vertically extends downwards to be fixedly connected with the handle.

When the large pump is used, the large pump is lifted from the station by the rope through the pulley connected to the sliding lifting tool, and then the lifting tool is pulled to move the inhaul cable, so that the sliding lifting tool is moved, the large pump can be rotated and shifted from the station along the lifting arm, and then the large pump is transported by the transportation equipment.

The design of the lifting appliance moving inhaul cable on the sliding lifting appliance ensures that the movement of the sliding lifting appliance is lighter and controllable. When the device is used, the position of the sliding lifting appliance can be effectively adjusted by pulling the lifting appliance moving inhaul cable, so that the large pump can freely move between the station and the maintenance position or the transfer position, and the complexity of manual operation is reduced. In addition, the fixed pulleys arranged on the lifting arm can reduce friction in the moving process of the inhaul cable, so that the moving process of the lifting appliance is smoother, and a convenient moving mode is provided for lifting work.

The utility model has the beneficial effects that:

The sliding lifting device is fixedly arranged above the liquid pool through the bracket, and moves along the track through the sliding lifting appliance, so that a crane or other additional equipment is not needed, the additional cost in the lifting process is reduced, and the equipment transferring process is simplified. Compared with the traditional method, the device reduces the labor and equipment use cost and simultaneously avoids the additional cost of crane leasing.

The device is simple and convenient to operate and high in safety, and the sliding lifting appliance and the support in the device are reasonably designed, so that the device can stably move above the liquid pool, and potential safety hazards caused by unstable lifting are avoided. After the device is lifted to a certain height by the supporting device, the device can be unloaded by sliding to the edge of the liquid pool, so that the unsafe caused by building the temporary support on the pool is avoided, and the stability and safety of the operation process are effectively improved.

The device has strong applicability that the pulley can freely slide along the track, the bearing capacity of the sliding lifting appliance reaches 600kg, the lifting and transferring requirements of large-weight equipment can be met, and the device is suitable for lifting work of various large-scale pump equipment. Even under the condition that the space above the liquid pool is limited, the device can still realize stable hoisting and displacement of equipment, and has flexible operation and wide application range.

The device design enables the pulley device to freely move on the sliding rail and move equipment out of the liquid pool, so that large-scale reconstruction of a building structure is avoided, and potential safety hazards possibly caused by structural holes are reduced.

Drawings

FIG. 1 is a schematic perspective view of embodiment 1 of the present utility model;

FIG. 2 is a schematic perspective view of embodiment 2 of the present utility model;

FIG. 3 is another perspective view of embodiment 2 of the present utility model;

FIG. 4 is a front view of embodiment 2 of the present utility model;

FIG. 5 is a side view of example 2 of the present utility model;

FIG. 6 is a schematic perspective view of the first half frame and the second half frame of embodiment 2 of the present utility model;

FIG. 7 is a schematic perspective view of an adjustable leg according to embodiment 2 of the present utility model;

FIG. 8 is a schematic perspective view of a door frame according to embodiment 2 of the present utility model;

FIG. 9 is a schematic perspective view of a boom according to embodiment 2 of the present utility model;

FIG. 10 is a front view of the boom of embodiment 2 of the present utility model;

FIG. 11 is a schematic perspective view of a slide hanger according to embodiment 2 of the present utility model;

FIG. 12 is a front view of the slide hanger according to embodiment 2 of the present utility model;

FIG. 13 is a schematic perspective view of a ground screw according to embodiment 2 of the present utility model;

FIG. 14 is a schematic view showing the perspective structure of the movable supporting bar according to embodiment 2 of the present utility model;

FIG. 15 is a schematic perspective view of embodiment 3 of the present utility model;

FIG. 16 is a schematic view showing the structure of embodiment 3 of the present utility model;

In the figure, the lifting device comprises a 1-door-shaped frame, a 2-lifting arm, a 3-sliding lifting appliance, a 4-ground nail, a 5-movable supporting rod, a 6-lifting appliance moving stay rope, an A-ground, a B-wall, an 11-first half frame, a 12-second half frame, a 13-adjustable supporting leg, a 14-cushion block, a 21-arm main body, a 22-clamp, a 23-fixing seat, a 31-connecting plate, a 32-roller, a 33-hanging rod, a 41-step shaft part, a 42-threaded part and a 43-prismatic part.

Detailed Description

The utility model is further described with reference to the drawings and detailed description which follow:

embodiment 1 As shown in FIG. 1, a hoisting device for a large pump comprises:

The door type frame 1 comprises two vertical rods which are symmetrically arranged, wherein the upper ends of the two vertical rods are fixedly connected through a cross rod, the lower end of the cross rod is provided with a strip-shaped base which is vertically arranged with the vertical rods, and the strip-shaped base is fixedly connected with the ground through a ground nail 4;

The lifting arm 2 is vertically arranged with the cross rod and is fixedly connected with the cross rod, and one end of the lifting arm 2 which is not fixedly connected with the cross rod is fixedly connected with the wall surface through a ground nail 4;

The sliding lifting appliance 3 is connected with the lifting arm 2 in a sliding way and can slide along the lifting arm 2, and the sliding lifting appliance 3 can be connected with a pulley;

the ground nail 4, the above-mentioned ground nail 4 is the expansion bolt.

The door-type lifting frame 1 and the lifting arm 2 are installed in place through ground nails, lifting equipment is integrally fixed, at the moment, a part of the lifting arm 2 is located right above the large pump, and at the same time, a part of the lifting arm 2 is located right above the turning displacement, when the lifting frame is used, the large pump is lifted from a station through a pulley connected to the sliding lifting tool 3 through a rope, then the sliding lifting tool 3 is moved, the large pump reaches the turning displacement from the station along the lifting arm 2, and then the large pump is transferred through the conveying equipment.

In summary, after the installation of the hoisting device is completed, the structure of the door frame 1 provides stable support for the hoisting operation of the large pump. The vertical bars and the cross bars are vertically arranged, and the bar-shaped base is fixed, so that the weight of the large pump and forces in various directions generated in the hoisting process can be borne, and the door-shaped frame 1 is not easy to incline or shake. In addition, the strip-shaped base is firmly connected with the ground through the ground nail 4, so that the stability of the door-shaped frame is further improved, and the safety of the equipment in the operation process is ensured.

The design of the slide hanger 3 enables the position of the large pump to be conveniently adjusted in the hoisting process. The lifting appliance can flexibly slide along the lifting arm 2 in a sliding connection mode, and the accurate positioning of the pump can be realized without repeated installation and disassembly. When the pulley connected to the sliding lifting appliance 3 is used, friction and resistance in lifting operation are effectively reduced through the cooperation of the pulley and the rope, so that the lifting process is more stable. In addition, the position of the sliding lifting appliance 3 is adjusted, so that the lifting step is simplified, and the lifting efficiency is further improved.

Embodiment 2 as shown in fig. 2 to 14, a hoisting device for a large pump includes:

The door-shaped frame 1 comprises a first half frame 11 and a second half frame 12, wherein the first half frame 11 and the second half frame 12 are a pair of vertical bending rods with opposite bending directions, the first half frame 11 is inserted into the second half frame 12 to form the door-shaped frame 1 with adjustable width, and a plurality of fastening bolts are arranged on the second half frame 12;

The lifting arm 2 is in sliding connection with the upper bent part of the second half frame 12 of the door-shaped frame 1, and the lifting arm 2 is vertically arranged with the door-shaped frame 1, one end of the lifting arm 2, which is not connected with the door-shaped frame 1, is fixedly connected with the wall surface through a ground nail 4 or is connected with the ground through a vertically arranged movable supporting rod 5, one end of the movable supporting rod 5 is connected with the door-shaped frame 1, and the other end is connected with the ground;

The ground nail 4 is inserted into the ground or the wall surface through the door-shaped frame 1 or the lifting arm 2, and is provided with mutually matched threads and nuts, so that the door-shaped frame 1 or the lifting arm 2 is fixedly connected to the ground or the wall surface.

In order to enhance the universality of the portal frame 1, the widths of the first half frame 11 and the second half frame 12 can be adjusted in a plugging and fastening bolt manner so as to adapt to the hoisting requirements of large pumps with different widths and heights. The plug-in design of the two half frames not only makes the installation and the disassembly of the door frame 1 more convenient, but also can provide flexible adjustment in different hoisting scenes, and is suitable for various specifications of large pumps. In addition, the adjustable supporting leg 13 can be used for carrying out height adjustment according to the actual requirements of the field, so that the horizontal and stable door-shaped frame 1 is ensured, and the hoisting process is safer and more reliable.

The adjustable supporting leg 13 comprises a vertical sleeve and a strip-shaped base, one end of the vertical sleeve is vertically and fixedly connected with the strip-shaped base, the other end of the vertical sleeve is sleeved with the first half frame 11 or the second half frame 12, the vertical sleeve is provided with a fastening bolt, the adjustable supporting leg 13 is matched with a plurality of cushion blocks 14 for adjusting the height of the door-shaped frame 1, when the door-shaped frame 1 needs to be lifted, the cushion blocks 14 are placed in the vertical sleeve, the adjustable supporting leg 13 is provided with the fastening bolt, and the strip-shaped base is fixedly connected with the ground through the ground nail 4.

The design of the vertical sleeve and the strip-shaped base of the adjustable supporting leg 13 ensures the firmness of the door-shaped frame 1, and the fastening bolts arranged on the vertical sleeve are convenient for locking the height of the supporting leg, so that the height deviation is avoided during loading. The cushion block 14 can be placed in the vertical sleeve in a increasing and decreasing manner, so that the adaptability of the adjustable supporting leg is further improved, and the adjustable supporting leg can bear larger downward pressure when a large pump is hoisted, and is suitable for hoisting scenes with different height requirements. When the ground is uneven, the cushion blocks with different numbers can be used for adjustment, so that the door-shaped frame 1 is ensured to be in a horizontal state, and the overall stability is enhanced.

The lifting arm 2 includes;

An arm main body 21, wherein one end of the arm main body 21 is slidably connected with the second half frame 12 through a clamp 22, and the other end is fixedly connected with a fixed seat 23;

The clamping hoop 22, the cross section of the clamping hoop 22 is in a rectangular shape with a notch on one side, the clamping hoop 22 is sleeved on the second half frame 12, and the notch is used for avoiding the fastening bolt arranged on the second half frame 12 when the clamping hoop 22 slides along the second half frame 12;

The fixed seat 23, the fixed seat 23 fixes the arm main body 21 on the wall surface through the ground nail 4, or fixedly connected with the movable supporting rod 5 through the ground nail 4.

The design of the boom 2 is such that it can both carry the weight of a large pump and adjust its sliding position as the case may be when connected to the second half frame 12. The clamp 22 can avoid the position of the fastening bolt in the sliding process by arranging a notch on one side, so that the sliding adjustment of the lifting arm 2 is more convenient. The fixed seat 23 is connected with the wall surface or the movable supporting rod 5 through the ground nail 4, so that the stability of the lifting arm 2 is ensured, and loosening or deformation in the lifting process is avoided.

The slide hanger 3 includes:

A connection plate 31, wherein the connection plate 31 is arranged in two symmetrical ways;

The two rollers 32 are respectively arranged along the vertical direction, connected between the two connecting plates 31 and perpendicular to the connecting plates 31, and the two rollers 32 are positioned on the upper side and the lower side of the lifting arm 2 and are contacted with the upper surface and the lower surface of the lifting arm 2;

A hanging rod 33, wherein the hanging rod 33 is arranged between the two connecting plates 31 and is positioned below the lower roller 32 for being connected with the pulley.

The structure of the sliding lifting appliance 3 further improves the stability of the equipment in the lifting process. The two rollers 32 can respectively contact the upper and lower surfaces of the lifting arm 2, so that the lifting appliance is ensured to be stable when sliding, and shaking is avoided. The symmetrical design of the connecting plates 31 not only enhances the bearing capacity of the lifting appliance, but also effectively disperses the stress on the rollers 32 and prolongs the service life of the equipment. The hanging rod 33 is used for connecting the pulleys, and provides a reliable hanging point for hanging the large pump.

The ground nail 4 includes:

a step shaft 41, wherein the step shaft 41 is a plurality of step shafts with diameters from small to large in sequence;

a screw portion 42, wherein the screw portion 42 is a cylindrical body with screw threads, is coaxially arranged with the stepped shaft portion 41, and is provided at one end of the stepped shaft portion 41 having the largest diameter;

the prism portion 43 is provided at the other end of the screw portion 42, and can serve as a force receiving portion when hammering the ground nail 4.

The design of the stepped shaft portion 41 of the ground stud 4 provides a stable support, facilitates securing the ground stud 4 to the ground or wall surface, and prevents loosening. The screw thread part 42 is fixed, so that the screw thread part 42 can be fixed by the screw nut after passing through the door frame 1 or the lifting arm 2, and the prismatic part 43 is used as a stress part of the ground nail 4 to ensure that the ground nail is not damaged in the hammering process. The stability and the fastness of equipment in the installation have been promoted to whole structural design.

The movable support rod 5 includes:

The connecting head is fixedly connected with the lifting arm 2 through a ground nail 4;

The connecting head and the stay bar of the movable support rod 5 can be flexibly connected to the lifting arm 2, meanwhile, the rectangular plate at the bottom can effectively conduct the pressure born by the lifting arm 2, and when no wall surface exists near the environment, the movable support rod 5 provides stable support in the lifting process. The design effectively disperses the pressure during hoisting, and avoids structural deformation and inclination caused by local stress.

15-16, In the embodiment 2, a lifting device moving cable 6 is further provided, one end of the lifting device moving cable 6 is fixedly connected with the sliding lifting device 3, and the other end of the lifting device moving cable passes through a fixed pulley arranged on the lifting arm 2 and then extends vertically downwards to be fixedly connected with the handle.

When the large pump is used, the large pump is lifted from a station by a rope through the pulley connected to the sliding lifting tool 3, then the lifting tool moving inhaul cable 6 is pulled to move the sliding lifting tool 3, so that the large pump can be rotated and moved along the lifting arm 2 from the station, and then the large pump is transferred by using the conveying equipment.

The design of the sling movement inhaul cable 6 on the sliding sling 3 enables the movement of the sliding sling to be lighter and controllable. When the device is used, the position of the sliding lifting appliance 3 can be effectively adjusted by pulling the lifting appliance moving inhaul cable 6, so that the large pump can freely move between a station and a maintenance position or a transfer position, and the complexity of manual operation is reduced. In addition, the fixed pulleys arranged on the lifting arms 2 can reduce friction in the moving process of the inhaul cable, so that the moving process of the lifting appliance is smoother, and a convenient moving mode is provided for lifting work.

It should be noted that the foregoing description is only a preferred embodiment of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it should be understood that modifications, equivalents, improvements and modifications to the technical solution described in the foregoing embodiments may occur to those skilled in the art, and all modifications, equivalents, and improvements are intended to be included within the spirit and principle of the present utility model.

Claims

1. Hoisting equipment of large-scale pump, characterized by includes:

The door-shaped frame (1) comprises two vertical rods which are symmetrically arranged, wherein the upper ends of the two vertical rods are fixedly connected through a cross rod, the lower end of the cross rod is provided with a strip-shaped base which is vertically arranged with the vertical rods, and the strip-shaped base is fixedly connected with the ground through ground nails (4);

The lifting arm (2) is vertically arranged with the cross rod and is fixedly connected with the cross rod, and one end of the lifting arm (2) which is not fixedly connected with the cross rod is fixedly connected with the wall surface through a ground nail (4);

The sliding lifting device (3) is in sliding connection with the lifting arm (2) and can slide along the lifting arm (2), and the sliding lifting device (3) can be connected with a pulley;

The ground nail (4), the ground nail (4) is expansion bolt.

2. Hoisting equipment of large-scale pump, characterized by includes:

The door-shaped frame (1) comprises a first half frame (11) and a second half frame (12), wherein the first half frame (11) and the second half frame (12) are a pair of vertical bending rods with opposite bending directions, the first half frame (11) is inserted into the second half frame (12) to form the door-shaped frame (1) with adjustable width, a plurality of fastening bolts are arranged on the second half frame (12), and the lower ends of the first half frame (11) and the second half frame (12) are respectively sleeved with an adjustable supporting leg (13) for adjusting the height of the door-shaped frame (1);

The lifting arm (2) is in sliding connection with the upper bending part of the second half frame (12) of the door-shaped frame (1), the lifting arm (2) is vertically arranged with the door-shaped frame (1), one end of the lifting arm (2) which is not connected with the door-shaped frame (1) is fixedly connected with the wall surface through a ground nail (4) or is connected with the ground through a vertically arranged movable supporting rod (5), one end of the movable supporting rod (5) is connected with the door-shaped frame (1), and the other end of the movable supporting rod is connected with the ground;

The ground nail (4), the ground nail (4) passes through the door-shaped frame (1) or the lifting arm (2) and inserts ground or wall, is provided with screw thread, the nut that mutually support on it, with door-shaped frame (1) or lifting arm (2) fixed connection on ground or wall.

3. A hoisting device for a large pump according to claim 2 is characterized in that the adjustable supporting leg (13) comprises a vertical sleeve and a strip-shaped base, one end of the vertical sleeve is vertically and fixedly connected with the strip-shaped base, the other end of the vertical sleeve is sleeved with the first half frame (11) or the second half frame (12), a fastening bolt is arranged on the vertical sleeve, the adjustable supporting leg (13) is matched with a plurality of cushion blocks (14) for adjusting the height of the door-shaped frame (1), when the door-shaped frame (1) needs to be lifted, the cushion blocks (14) are placed in the vertical sleeve, the fastening bolt is arranged on the adjustable supporting leg (13), and the strip-shaped base is fixedly connected with the ground through a ground nail (4).

4. Hoisting device for a large pump according to claim 2, characterized in that the hoisting arm (2) comprises;

The arm main body (21), one end of the arm main body (21) is connected with the second half frame (12) in a sliding way through a clamp (22), and the other end of the arm main body is fixedly connected with the fixed seat (23);

The cross section of the clamp (22) is in a rectangular shape, one side of the clamp is provided with a notch, the clamp is sleeved on the second half frame (12), and the notch is used for avoiding a fastening bolt arranged on the second half frame (12) when the clamp (22) slides along the second half frame (12);

the fixed seat (23), the fixed seat (23) is fixed the arm main part (21) on the wall through ground nail (4), or through ground nail (4) and movable bracing piece (5) fixed connection.

5. Hoisting device for large pumps according to any one of the claims 1-4 characterized in that the slide hoisting device (3) comprises:

the connecting plates (31), wherein the connecting plates (31) are symmetrically arranged;

the two rollers (32) are respectively arranged along the vertical direction, are connected between the two connecting plates (31) and are perpendicular to the connecting plates (31), and the two rollers (32) are positioned on the upper side and the lower side of the lifting arm (2) and are in contact with the upper surface and the lower surface of the lifting arm;

the hanging rod (33) is arranged between the two connecting plates (31) and is positioned below the roller (32) below and used for being connected with the pulley.

6. Hoisting device for large pumps according to any one of the claims 1-4 characterized in that the ground screw (4) comprises:

the step shaft part (41), the step shaft part (41) is a plurality of step shafts with diameters from small to large in sequence;

A threaded portion (42), the threaded portion (42) being a cylindrical body with threads, which is arranged coaxially with the stepped shaft portion (41), and which is provided at one end of the stepped shaft portion (41) having the largest diameter;

And a prismatic part (43), wherein the prismatic part (43) is arranged at the other end of the threaded part (42) and can be used as a force receiving part when the ground nail (4) is hammered.

7. Hoisting device for large pumps according to any one of the claims 2-4 characterized in that the movable support bar (5) comprises:

The connecting head is fixedly connected with the lifting arm (2) through a ground nail (4);

8. A large pump hoisting device according to any one of claims 1-4, characterized in that the sliding hoisting tool (3) is provided with a hoisting tool moving cable (6), one end of the hoisting tool moving cable (6) is fixedly connected with the sliding hoisting tool (3), and the other end of the hoisting tool moving cable passes through a fixed pulley arranged on the hoisting arm (2) and then vertically extends downwards to be fixedly connected with the handle.