CN211733601U - Large-diameter inner hole bottom lifting appliance - Google Patents
Large-diameter inner hole bottom lifting appliance Download PDFInfo
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- CN211733601U CN211733601U CN202020045982.7U CN202020045982U CN211733601U CN 211733601 U CN211733601 U CN 211733601U CN 202020045982 U CN202020045982 U CN 202020045982U CN 211733601 U CN211733601 U CN 211733601U
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Abstract
The utility model relates to a hoist technical field especially relates to a major diameter hole bottom hoist, it includes vertical jib, rings, two support horizontal poles, two support vertical poles and prop open the board, two support the horizontal pole tip and pass through horizontal pole sleeve pipe rigid coupling, the fixed locking sleeve pipe that is equipped with in horizontal pole sheathed tube top, along radial threaded hole, threaded hole department installs a tight screw rod in top, the tight screw rod tip in top is equipped with the locking knob admittedly, vertical jib passes locking sleeve pipe and horizontal pole sleeve pipe and bottom and prop open board middle part rigid coupling respectively, the length of propping open the board is greater than the length of two support horizontal poles and the tip of propping open the board and has seted up the groove of stepping down, two support vertical poles articulate respectively and locate the inslot of stepping down in two outer tip and the lower part card that support the horizontal pole, the lower tip of supporting the vertical pole is. The device provided by the utility model simple structure can hoist the component of multiple different internal diameters in the certain limit, and hoist safe and reliable, efficient.
Description
Technical Field
The utility model relates to a hoist technical field especially relates to a major diameter hole bottom hoist.
Background
When hoisting equipment hoists large-scale members, especially hoisting large-diameter cylindrical members with inner holes, a hoisting tool is needed. The lifting appliance used when the traditional cylindrical member with the inner hole in the large diameter is hoisted is generally a member of which one inner diameter can only be hoisted by one lifting appliance, the lifting appliances of different models need to be replaced when the members with different inner diameters are hoisted, the cost is higher, and the hoisting efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a simple structure is provided, can hoist the component of multiple different internal diameters in the certain limit, and hoist and mount safe and reliable, an efficient major diameter hole bottom hoist.
The utility model discloses a realize through following technical scheme:
the utility model provides a major diameter hole bottom hoist, its includes vertical jib, fixed mounting in rings, two at vertical jib top support horizontal pole, two support vertical poles and struts the board, and two support horizontal pole tip pass through horizontal pole sleeve pipe fixed connection, and the fixed locking sleeve pipe that is equipped with in horizontal pole sheathed tube top, along radially set up threaded hole on the locking sleeve pipe, threaded hole department installs the tight screw rod in top, and tight screw rod tip fixed mounting in top has the locking knob, vertical jib passes locking sleeve pipe and horizontal pole sleeve pipe and bottom respectively and struts board middle part fixed connection, the length of strutting the board is greater than the tip that two support the length of horizontal pole and strut the board and has seted up the groove of stepping down, two support the vertical pole and articulate respectively in two outer tip and the lower part card that support the horizontal pole are located the groove of stepping down, support the lower tip fixed mounting of vertical pole have.
Furthermore, the clamping jaws comprise two clamping plates which are inverted T-shaped, the supporting longitudinal rods are fixedly arranged on the inner sides of the vertical clamping plates of the clamping jaws, and the horizontal clamping plates of the clamping jaws are fixedly arranged at the bottoms of the vertical clamping plates.
Further, the vertical clamping plate is of an arc-shaped structure.
Furthermore, a limiting sleeve is sleeved above the locking sleeve of the vertical suspender, a threaded hole is radially formed in the limiting sleeve, a limiting screw is installed at the threaded hole, and a limiting knob is fixedly installed at the end of the limiting screw.
The beneficial effects of the utility model
The utility model discloses a major diameter hole bottom hoist, with two support vertical poles card before the hoist and mount in corresponding groove of stepping down, can make two of hoist support the vertical pole shrink and can not open by oneself, make things convenient for the hoist to pass from the component hole, improve hoisting efficiency to the locking knob is screwed up to the hoist and mount in-process, can die locking sleeve pipe and vertical jib top, prevents that the locking sleeve pipe from reciprocating or rotating along vertical jib, makes the hoist and mount process more safe and reliable.
Meanwhile, the opening angles of the two supporting longitudinal rods can be adjusted, so that the lifting device can adapt to the lifting requirements of components with different inner diameters within a certain range, the lifting device does not need to be frequently replaced, the cost is saved, and the structure is simple.
And twist and move the locking knob, loosen the tight screw rod in top, can make the locking sleeve pipe remove along vertical jib to two support horizontal poles reciprocate, thereby change the angle that two jack catchs that support the vertical pole strut in the component bottom, can adjust the minimum hoist and mount diameter and the biggest hoist and mount diameter of hoist.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure, 1, a lifting ring, 2, a limit knob, 3, a jacking screw, 4, a supporting cross rod, 5, a supporting longitudinal rod, 6, a locking knob, 7, a vertical suspension rod, 8, an opening plate, 9, a vertical clamping plate, 10, a horizontal clamping plate, 11, a yielding groove, 12, a cross rod sleeve, 13, a locking sleeve and 14, a limit sleeve are arranged.
Detailed Description
A large-diameter inner hole bottom lifting appliance comprises a vertical lifting rod 7, a lifting ring 1 fixedly arranged at the top of the vertical lifting rod, two supporting cross rods 4, two supporting longitudinal rods 5 and an opening plate 8, wherein the inner end parts of the two supporting cross rods are fixedly connected through a cross rod sleeve 12, a locking sleeve 13 is fixedly arranged at the top of the cross rod sleeve, a threaded hole is arranged on the locking sleeve along the radial direction, a jacking screw rod 3 is arranged at the threaded hole, a locking knob 6 is fixedly arranged at the end part of the jacking screw rod, the vertical hanger rod respectively passes through the locking sleeve and the cross rod sleeve, the bottom of the vertical hanger rod is fixedly connected with the middle part of the opening plate, the length of the opening plate is greater than the lengths of the two supporting transverse rods, the end portion of the opening plate is provided with a yielding groove 11, the two supporting longitudinal rods are hinged to the outer end portions of the two supporting transverse rods respectively, the lower portions of the two supporting transverse rods are clamped in the yielding grooves, and the lower end portions of the supporting longitudinal rods are fixedly provided with clamping claws.
Furthermore, the jack catch includes the cardboard of two becomes the T font of inversion, support vertical pole fixed mounting in the vertical cardboard 9 inboard of jack catch, the horizontal cardboard 10 fixed mounting of jack catch in vertical cardboard bottom, the component bottom is held in the horizontal cardboard outside of jack catch like this, and the vertical cardboard of jack catch is located the component downthehole and contacts with the component inner wall, makes the hoist and mount process more steady reliable.
Furthermore, the vertical clamping plate is of an arc-shaped structure, the shape of the vertical clamping plate is matched with the built inner wall, and the hoisting process is more stable.
Further, the vertical suspender is sleeved with a limit sleeve 14 above the locking sleeve, the limit sleeve is provided with a threaded hole along the radial direction, the threaded hole is provided with a limit screw (not shown), the end part of the limit screw is fixedly provided with a limit knob 2, the distance between the limit sleeve and the locking sleeve is adjusted, and when the lifting appliance is vertically placed, the two support longitudinal rods support the opening angle, so that the phenomenon that the lifting appliance falls down and injures people due to too large or too small opening angle is prevented.
When hoisting the member that major diameter has the hole, the member is placed on ground or platform, and the bottom is filled up a little, two support vertical poles card with the hoist make two support vertical poles of hoist contract and can not open by oneself in the corresponding groove of stepping down, then pass the hoist from the hole of member from top to bottom, make the jack catch stretch out the member bottom, push out two support vertical poles from the inslot of stepping down and make the jack catch block the bottom of member, then make hoisting equipment and lifting hook be connected lift by crane can, can adapt to the member hoist and mount needs of different internal diameters in a certain extent, need not frequently to change the hoist, and the cost is saved, and simple structure.
Simultaneously, the locking knob is screwed, the tightening screw rod is loosened, the locking sleeve can be moved along the vertical hanging rod, so that the two supporting cross rods move up and down, the angle of the two clamping jaws for supporting the longitudinal rods which are propped open at the bottom of the component is changed, the minimum hoisting diameter and the maximum hoisting diameter of the lifting appliance are adjusted, the locking knob is screwed up in the hoisting process, the locking sleeve can be deadlocked with the vertical hanging rod, the locking sleeve is prevented from moving up and down or rotating along the vertical hanging rod, and the hoisting process is safer and more reliable.
In conclusion, the large-diameter inner hole bottom lifting appliance protected by the application is simple in structure, capable of lifting components with different inner diameters within a certain range, safe and reliable in lifting and high in efficiency.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A large-diameter inner hole bottom lifting appliance is characterized by comprising a vertical lifting rod, a lifting ring fixedly arranged at the top of the vertical lifting rod, two supporting cross rods, two supporting longitudinal rods and an opening plate, wherein the inner end parts of the two supporting cross rods are fixedly connected through a cross rod sleeve, a locking sleeve is fixedly arranged at the top of the cross rod sleeve, the locking sleeve is provided with a threaded hole along the radial direction, the threaded hole is provided with a jacking screw, the end part of the jacking screw is fixedly provided with a locking knob, the vertical hanger rod respectively passes through the locking sleeve and the cross rod sleeve, the bottom of the vertical hanger rod is fixedly connected with the middle part of the opening plate, the length of the opening plate is greater than the lengths of the two supporting transverse rods, the end parts of the opening plate are provided with abdicating grooves, the two supporting longitudinal rods are hinged to the outer end parts of the two supporting transverse rods respectively, the lower parts of the two supporting transverse rods are clamped in the abdicating grooves, and the lower end parts of the supporting longitudinal rods are fixedly provided with clamping claws.
2. The large-diameter inner hole bottom lifting appliance according to claim 1, wherein the clamping jaws comprise two clamping plates which are in an inverted T shape, the supporting longitudinal rods are fixedly arranged on the inner sides of the vertical clamping plates of the clamping jaws, and the horizontal clamping plates of the clamping jaws are fixedly arranged on the bottoms of the vertical clamping plates.
3. A large diameter inner hole bottom spreader according to claim 1, wherein the vertical clamping plates are of an arc-shaped configuration.
4. The large-diameter inner hole bottom lifting appliance according to claim 1, wherein a limiting sleeve is sleeved on the vertical suspension rod above the locking sleeve, a threaded hole is radially formed in the limiting sleeve, a limiting screw is installed at the threaded hole, and a limiting knob is fixedly installed at the end of the limiting screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020045982.7U CN211733601U (en) | 2020-01-10 | 2020-01-10 | Large-diameter inner hole bottom lifting appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020045982.7U CN211733601U (en) | 2020-01-10 | 2020-01-10 | Large-diameter inner hole bottom lifting appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211733601U true CN211733601U (en) | 2020-10-23 |
Family
ID=72882520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020045982.7U Active CN211733601U (en) | 2020-01-10 | 2020-01-10 | Large-diameter inner hole bottom lifting appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211733601U (en) |
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2020
- 2020-01-10 CN CN202020045982.7U patent/CN211733601U/en active Active
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