CN216549330U

CN216549330U - Simple hoisting tool

Info

Publication number: CN216549330U
Application number: CN202123261108.0U
Authority: CN
Inventors: 王江; 邓小花; 郭洪涛
Original assignee: Chalco He'nan Luoyang Aluminum Processing Co ltd
Current assignee: Chalco He'nan Luoyang Aluminum Processing Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-05-17
Anticipated expiration: 2031-12-23

Abstract

The utility model provides a simple and easy lifting device, includes cross supporting component and the base subassembly that can rotate relatively in the horizontal plane, lifts by crane the chain block of heavy object and installs on cross supporting component upper portion, the base subassembly includes open-top's support sleeve and sets up the carousel in the support sleeve, cross supporting component includes perpendicular welded stand and horizontal pole, and the stand is hollow structure, and the inner core that is equipped with solid cylinder is inserted to the stand lower extreme, and the face of cylinder of inner core and the inner wall laminating contact of stand, stand lower extreme insert support sleeve intraductally, and support on the carousel, connect through interlocking mechanism between inner core and the carousel to realize the synchronous revolution of stand and carousel, still be equipped with at least one bearing between stand and the support sleeve, the bearing inner circle is connected with the stand, bearing outer lane and support sleeve's interior wall connection. The tool can be used in narrow fields, helps workers to quickly overhaul, maintain and process faults of equipment, greatly improves overhaul efficiency and shortens overhaul time.

Description

Simple hoisting tool

Technical Field

The utility model belongs to the field of maintenance tools for mechanical equipment, and particularly relates to a simple hoisting tool.

Background

The plate filter of the hot rolling mill is a continuous operation device, and the paper feeding mechanism of the plate filter is low in speed and high in requirement. When the driving motor or the speed reducer is in operation, the operation of the whole rolling mill is influenced by the fault. Because the driving motor and the speed reducer are heavy and limited in position, hoisting tools such as a crane cannot reach the site for hoisting.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a simple hoisting tool which can be suitable for narrow sites, helps workers to quickly overhaul, maintain and process faults of equipment, greatly improves the overhaul efficiency and shortens the overhaul time.

In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a simple and easy lifting device, includes cross supporting component and the base subassembly that can rotate relatively in the horizontal plane, lifts by crane the chain block of heavy object and installs on cross supporting component upper portion, the base subassembly includes open-top's support sleeve and sets up the carousel in the support sleeve, cross supporting component includes perpendicular welded stand and horizontal pole, and the stand is hollow structure, and the inner core that is equipped with solid cylinder is inserted to the stand lower extreme, and the face of cylinder of inner core and the inner wall laminating contact of stand, stand lower extreme insert support sleeve intraductally, and support on the carousel, connect through interlocking mechanism between inner core and the carousel to realize the synchronous revolution of stand and carousel, still be equipped with at least one bearing between stand and the support sleeve, the bearing inner circle is connected with the stand, bearing outer lane and support sleeve's interior wall connection.

The inner wall of the supporting sleeve is provided with a positioning key, and the outer ring of the bearing is provided with a key groove matched with the positioning key.

The number of the bearings is two, and the bearings are arranged at intervals up and down.

The interlocking mechanism comprises a locking hole and a locking groove which are arranged on the turntable and a locking head arranged on the lower end face of the inner core, the locking groove is an arc groove concentric with the turntable, the locking groove is communicated with the locking hole, the width of a notch of the locking groove is smaller than the aperture of the locking hole, and the width inside the locking groove is equal to the aperture of the locking hole and larger than the width of the notch; the locking head is of a T-shaped structure, and the diameter of the head of the locking head is smaller than the aperture of the locking hole and larger than the width of the notch of the locking groove.

The turntable is provided with two locking holes and two locking grooves, and the two locking grooves are centrosymmetric about the center of the turntable.

The center of the turntable is also provided with a center positioning hole, and the lower end face of the inner core is provided with a center positioning head matched with the center positioning hole.

The cross-shaped supporting assembly further comprises two inclined struts, and two ends of each inclined strut are respectively connected with the upright post and the cross rod.

A balancing weight is arranged on one side of the cross rod, which is positioned on the upright post, and the chain block is arranged on the other side of the cross rod, which is positioned on the upright post.

The upper edge of the supporting sleeve is also provided with an annular end cover, and a gap for the upright post to rotate is reserved between the inner circle of the annular end cover and the cylindrical surface of the upright post.

The utility model has the beneficial effects that: the lifting device is small in structure, can be conveniently fixed near a heavy object to be lifted, has low requirement on operation space, is suitable for narrow operation sites, can help workers to quickly overhaul, maintain and process faults of equipment, greatly improves overhaul efficiency and shortens overhaul time.

The lower part of the upright post is effectively supported from the outer side and the inner side of the upright post through the support sleeve and the inner core respectively, so that the lifting safety is ensured.

According to the utility model, the locking head of the inner core is connected with the locking hole and the locking groove of the turntable, so that the stand column and the turntable can be quickly disassembled and assembled and the stand column can be axially locked.

Drawings

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

FIG. 2 is a top view of the turntable of the present invention;

FIG. 3 is a schematic view of the bottom structure of the pillar of the present invention;

FIG. 4 is a schematic view of the locking head and locking groove of the present invention;

the labels in the figure are: 1. the base, 2, deep floor, 3, support sleeve, 4, inner core, 5, upper bearing, 6, annular end cover, 7, stand, 8, horizontal pole, 9, bracing, 10, balancing weight, 11, lower bearing, 12, carousel, 13, center locating hole, 14, locking hole, 15, locking groove, 16, center locating head, 17, locking head.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and examples, but the utility model is not limited thereto.

As shown in figure 1, the simple hoisting tool is used for hoisting a motor or a speed reducer of a hot rolling mill plate filter in the maintenance and repair process of the motor or the speed reducer. The supporting device comprises a base 1 capable of being fixed on the ground, a supporting sleeve 3 with an opening at the top, a reinforcing rib plate 2 arranged around the supporting sleeve 3 and a cross-shaped supporting assembly, wherein the supporting sleeve 3 is vertically arranged on the base 1.

The base 1 is a steel plate and can be fixed on the ground near the motor or the speed reducer through foundation bolts. The bottom of the support sleeve 3 is welded and fixed on the base 1, four reinforcing rib plates 2 are arranged and evenly distributed around the support sleeve 3, each reinforcing rib plate 2 is a right-angled triangular steel plate, one right-angled side is welded with the base 1, and the other right-angled side is welded with the cylindrical surface of the support sleeve 3. In practical use, three reinforcing rib plates 2 or more reinforcing rib plates 2 can be arranged according to requirements. A rotary disc 12 for supporting a cross-shaped supporting component is arranged in the supporting sleeve 3, the fixed end of the rotary disc 12 is connected with the bottom surface of the supporting sleeve 3, and the rotary supporting surface of the rotary disc 12 and the fixed end can rotate relatively through a bearing.

The cross-shaped supporting assembly comprises a vertical column 7, a horizontal rod 8 and an inclined strut 9, the vertical column 7 is vertically arranged, the horizontal rod 8 and the inclined strut 9 are horizontally arranged, the whole vertical column 7 is made of hollow round steel, an inner core 4 used for enhancing the strength of the vertical column is arranged at the lower end of the vertical column 7, the inner core 4 is a solid cylinder and is arranged at the lower end of the vertical column 7 in an interference fit mode, the lower end face of the inner core 4 is flush with the lower end face of the vertical column 7, after the vertical column 7 is inserted into the supporting sleeve 3, the lower end face of the inner core 4 is connected with a rotating supporting face of the turntable 12, synchronous rotation of the vertical column 7 and the turntable 12 is realized, and the upper end of the inner core 4 is not lower than the upper edge of the supporting sleeve 3; an upper bearing 5 and a lower bearing 11 which are arranged at intervals up and down are arranged between the cylindrical surface of the upright post 7 and the inner wall of the support sleeve 3, and both the upper bearing 5 and the lower bearing 11 are deep groove ball bearings; the upper edge of the supporting sleeve 3 is also provided with an annular end cover 6 sleeved on the upright post 7 to prevent foreign matters from entering between the upright post 7 and the supporting sleeve 3, and a gap for the rotation of the upright post 7 is reserved between the inner circle of the annular end cover 6 and the cylindrical surface of the upright post 7, so that the rotation of the upright post 7 in the supporting sleeve 3 is not influenced.

The bearing outer ring of the upper bearing 5 and the bearing outer ring of the lower bearing 11 are respectively provided with key grooves extending axially, the inner wall of the supporting sleeve 3 is correspondingly provided with a positioning key matched with the key grooves, the bearing outer ring is circumferentially limited through matching of the positioning key and the key grooves, and the bearing outer ring cannot rotate when the stand column 7 rotates.

The connection between the inner core 4 and the rotary disc 12 has different forms, one of which is described in detail below with reference to fig. 2 and 3.

As shown in fig. 2, a central positioning hole 13 is disposed in the center of the rotation supporting surface of the turntable 12, two sides of the central positioning hole 13 are respectively provided with a locking hole 14 and a locking groove 15 communicated with the locking hole 14, the locking groove 15 is an arc-shaped groove, the center of the arc-shaped groove is the center of the rotation supporting surface, the two locking grooves 15 are arranged in central symmetry with respect to the central positioning hole 13, in fig. 2, the two locking grooves 15 both extend counterclockwise, the width of the notch of the locking groove 15 is smaller than the aperture of the locking hole 14, and the width inside the locking groove 15 is equal to the aperture of the locking hole.

As shown in fig. 3 and 4, a center positioning head 16 matched with the center positioning hole 13 is arranged on the lower end surface of the inner core 4, locking heads 17 matched with the locking holes 14 are arranged on two sides of the center positioning head 16, the locking heads 17 are T-shaped, the locking heads 17 can be inserted into the locking holes 14, the locking heads 17 continue to slide along the locking grooves 15 after entering the locking grooves 15 along with the rotation of the upright post 7 (as shown in fig. 2, the upright post 7 rotates anticlockwise), and the locking heads 17 can be clamped in the locking grooves 15 because the head diameter of the locking heads 17 is greater than the width of the notch of the locking grooves 15, so that the axial movement of the upright post 7 is limited until the locking heads 17 slide to the tail end of the locking grooves 15, the upright post 7 continues to rotate anticlockwise, and the upright post 7 and the turntable 12 rotate synchronously. When the upright post 7 needs to be taken out, the upright post 7 can be rotated clockwise, after the locking head 17 is rotated back to the position of the locking hole 14, the locking groove 15 releases the limitation on the axis of the upright post 7, and the upright post 7 can be pulled out from the support sleeve 3.

The middle part of the cross rod 8 is welded on the upper part of the upright post 7, one end of the inclined strut 9 is welded and fixed with the upright post 7, the other end of the inclined strut is welded and fixed with the end part of the cross rod 8, and the number of the inclined struts 9 is two, so that the bearing capacity of the cross rod 8 is enhanced, and the lifting safety is guaranteed.

The cross rod 8 is divided into two sections by the upright post 7, wherein one section is provided with a chain block for hoisting, and the other section can be provided with a balancing weight 10 to balance the weight at the two ends of the cross rod 8.

The balancing weights 10 can be fixed on the cross bar 8, and the weights 10 are hung and connected to balance the weight of a lifted heavy object; or the counterweight 10 is arranged on the cross rod 8 in a sliding way, and the weight of the lifted heavy object is balanced by adjusting the distance between the counterweight 10 and the upright post 7; still alternatively, the two types of arrangement of the weight member 10 may be used in combination.

In specific implementation, a 1-ton chain block is arranged on the cross rod 8, the total length of the cross rod 8 is 1.5 meters, and according to the structure, the tool can carry heavy objects within the range of 500KG and 1.5 meters, so that the overhaul time can be shortened from three hours to one hour. The labor cost is saved by 1/2, the working efficiency is improved by more than one time, and the material cost is within 1000 Yuan.

The above embodiments are only intended to illustrate the technical solution of the present invention and not to limit the same, and it should be understood by those skilled in the art that the modifications and equivalents of the embodiments of the present invention can be made with reference to the above embodiments, and any modifications and equivalents without departing from the spirit and scope of the present invention are within the scope of the claims of the appended patent application.

Claims

1. The utility model provides a simple and easy lifting device, includes cross supporting component and the base subassembly that can rotate relatively in the horizontal plane for the chain block who lifts by crane the heavy object installs on cross supporting component upper portion, its characterized in that: the base assembly comprises a supporting sleeve with an opening at the top and a rotary table arranged in the supporting sleeve, the cross-shaped supporting assembly comprises a vertical column and a transverse rod which are vertically welded, the vertical column is of a hollow structure, an inner core of a solid cylinder is inserted into the lower end of the vertical column, the cylindrical surface of the inner core is in contact with the inner wall of the vertical column in a fitting manner, the lower end of the vertical column is inserted into the supporting sleeve and supported on the rotary table, the inner core and the rotary table are connected through an interlocking mechanism to realize synchronous rotation of the vertical column and the rotary table, at least one bearing is further arranged between the vertical column and the supporting sleeve, an inner ring of the bearing is connected with the vertical column, and an outer ring of the bearing is connected with the inner wall of the supporting sleeve.

2. The simple hoisting tool of claim 1, which is characterized in that: the inner wall of the supporting sleeve is provided with a positioning key, and the outer ring of the bearing is provided with a key groove matched with the positioning key.

3. A simple lifting tool as claimed in claim 1 or 2, characterized in that: the number of the bearings is two, and the bearings are arranged at intervals up and down.

4. The simple hoisting tool of claim 1, which is characterized in that: the interlocking mechanism comprises a locking hole and a locking groove which are arranged on the turntable and a locking head which is arranged on the lower end surface of the inner core, the locking groove is an arc groove concentric with the turntable, the locking groove is communicated with the locking hole, the width of a notch of the locking groove is smaller than the aperture of the locking hole, and the width of the inner part of the locking groove is equal to the aperture of the locking hole and larger than the width of the notch; the locking head is of a T-shaped structure, and the diameter of the head of the locking head is smaller than the aperture of the locking hole and larger than the width of the notch of the locking groove.

5. The simple hoisting tool of claim 4, which is characterized in that: the turntable is provided with two locking holes and two locking grooves, and the two locking grooves are centrosymmetric about the center of the turntable.

6. The simple hoisting tool of claim 5, wherein: the center of the turntable is also provided with a center positioning hole, and the lower end face of the inner core is provided with a center positioning head matched with the center positioning hole.

7. The simple hoisting tool of claim 1, which is characterized in that: the cross-shaped supporting assembly further comprises two inclined struts, and two ends of each inclined strut are respectively connected with the upright post and the cross rod.

8. The simple hoisting tool of claim 1, which is characterized in that: a balancing weight is arranged on one side of the cross rod, which is positioned on the upright post, and the chain block is arranged on the other side of the cross rod, which is positioned on the upright post.

9. The simple hoisting tool of claim 1, which is characterized in that: the upper edge of the supporting sleeve is also provided with an annular end cover, and a gap for the upright post to rotate is reserved between the inner circle of the annular end cover and the cylindrical surface of the upright post.