CN213802532U

CN213802532U - Three-jaw groove type lifting appliance

Info

Publication number: CN213802532U
Application number: CN202022765689.0U
Authority: CN
Inventors: 张伟
Original assignee: Anhui Gangtai Machinery Manufacturing Group Co ltd
Current assignee: Anhui Gangtai Machinery Manufacturing Group Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-07-27
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses a three-jaw cell type hoist, including bottom fixed block, erection column and handle, the upper end swing joint of bottom fixed block has the top fixed block, and the last fixed surface of top fixed block installs the link, erection column fixed mounting is in the upper end of metal cotton rope, and the lower surface intermediate position welding of erection column has the fixed disk, handle fixed mounting is at the lateral surface of bottom fixed block, and the inside rotation of handle is connected with the lead screw, the outside both sides of internal thread piece are all through side pole and top fixed block interconnect, and the lower fixed surface of top fixed block installs built-in regulation pole. This three-jaw cell type hoist adopts neotype structural design for this device is provided with the three stone tongs that the angular distribution equals, and the gravity that shares annular work piece that can be comparatively even improves hoist and mount stability, and is provided with anchor clamps altitude mixture control structure in the device, enlarges the device scope of hoist and mount annular work piece.

Description

Three-jaw groove type lifting appliance

Technical Field

The utility model relates to an annular work piece hoist and mount technical field specifically is a three-jaw cell type hoist.

Background

The processing technology of wind-powered electricity generation annular product is complicated, if adopt the mesa to place the work piece, then can only inspect or process behind the one side, change the face with the work piece again and do the inspection or the processing of another side, consequently, wind-powered electricity generation annular work piece need often hoist in the course of working, makes the staff process or inspect it, because the volume and the weight of annular work piece are great, need use mechanical hoist to control at the in-process of hoist and mount.

With the continuous use of the annular workpiece sling, the following problems are found in the use process:

1. some current annular work piece hoists adopt two location structure to hoist structure stability is relatively poor to two location structure can not be better evenly undertake annular work piece's gravity, and the work piece is inclined easily at the in-process of hoist and mount, produces the incident.

2. And the size and dimension of the annular workpiece are different, and the existing annular workpiece lifting appliances are of fixed structures, so that the height and the dimension of the installation are not convenient to adjust, and the use applicability is lower.

Therefore, a three-jaw groove type hanger needs to be designed to solve the problems.

Disclosure of Invention

An object of the utility model is to provide a three-jaw cell type hoist, in order to solve and to propose some current annular work piece hoists and adopt two location structure to hoist among the above-mentioned background art, hoisting structure stability is relatively poor, and the gravity of annular work piece can not better evenly be undertaken to two location structure, the work piece is at the easy incline of in-process of hoist and mount, produce the incident, and the size and size of annular work piece is different, some current annular work piece hoists are fixed knot structure, the high size of installation is not convenient for adjust, use the lower problem of suitability.

In order to achieve the above object, the utility model provides a following technical scheme: a three-jaw groove-shaped lifting appliance comprises a bottom fixing block, a mounting column and a handle, wherein the upper end of the bottom fixing block is movably connected with a top fixing block, the upper surface of the top fixing block is fixedly provided with a hanging ring, and the interior of the hanging ring is connected with a metal cord in a penetrating way, the mounting column is fixedly arranged at the upper end of the metal cord, the middle position of the lower surface of the mounting column is welded with a fixed disc, the outer side surface of the fixed disc is connected with the positioning cylinder through an electric telescopic rod, the positioning cylinder is movably arranged outside the metal cord, the handle is fixedly arranged on the outer side surface of the bottom fixing block, the interior of the handle is rotatably connected with a screw rod, and the outside swing joint of lead screw has the internal thread piece, the outside both sides of internal thread piece all are through side pole and top fixed block interconnect, and the lower fixed surface of top fixed block installs built-in regulation pole.

Preferably, the top fixed block passes through built-in regulation pole and bottom fixed block constitution elevation structure, and the side of bottom fixed block is run through and is installed the threaded rod to the thread groove has been seted up to the inside of bottom fixed block, and the inside reservation of built-in regulation pole has the circular slot simultaneously.

Preferably, the number of the metal cords is 3 at the lower end of the mounting column at equal angles, the metal cords and the positioning cylinder form a sliding structure, and the metal cords are rotatably connected with the hanging ring.

Preferably, the positioning cylinder forms a telescopic structure with the fixed disc through an electric telescopic rod, and the positioning cylinder forms a rotating structure with the electric telescopic rod.

Preferably, the internal thread block is in threaded connection with the screw rod, and the internal thread block and the top fixing block are of an integrated structure through the side rod.

Preferably, the threaded rod is in threaded connection with the bottom fixing block through a threaded groove, the threaded rod is in through connection with the built-in adjusting rod through a circular groove, and the inner diameter of the threaded groove is smaller than that of the circular groove.

Preferably, the circular grooves are arranged in the built-in adjusting rod at equal intervals, and the number of the built-in adjusting rod is 4, and the built-in adjusting rod is fixedly arranged at the lower end of the top fixing block.

Compared with the prior art, the beneficial effects of the utility model are that: the three-jaw groove-shaped lifting appliance adopts a novel structural design, so that the three fixing clamps arranged at equal angles are adopted for clamping and fixing the annular workpiece, the gravity of the annular workpiece can be shared more uniformly, the lifting structure is more stable, and the height adjusting mechanism is arranged in the three-jaw groove-shaped lifting appliance, so that the annular workpieces with different heights can be conveniently installed;

1. during use, the electric telescopic rod is operated to adjust the telescopic moving position of the positioning cylinder according to the diameter of the annular workpiece, the positions of the top fixing block and the bottom fixing block which are correspondingly distributed are controlled and adjusted, the top fixing block and the bottom fixing block are distributed on the outer side of the annular workpiece at equal angles, the gravity of the annular workpiece can be shared more uniformly, the structure for hoisting the annular workpiece by the device is more stable, and the use safety is improved;

2. the top fixed block that elevation structure set up to and the internal thread piece that threaded connection set up, according to the high condition of annular work piece, the control lead screw rotates, and the internal thread piece of control reciprocates under the effect of screw thread transmission structure, reciprocates through side pole control top fixed block, thereby adjusts the interval between top fixed block and the bottom fixed block, and this partial structure can enlarge the scope of the device installation annular work piece, and the device suitability is stronger.

Drawings

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

FIG. 2 is a schematic view of the front structure of the bottom fixing block of the present invention;

FIG. 3 is a schematic view of the side structure of the handle of the present invention;

FIG. 4 is a schematic side sectional view of the bottom fixing block of the present invention;

FIG. 5 is a schematic view of a side partial structure of the threaded rod of the present invention;

fig. 6 is a schematic view of the electric telescopic rod of the present invention.

In the figure: 1. a bottom fixing block; 2. a top fixing block; 3. hanging a ring; 4. a metal cord; 5. mounting a column; 6. fixing the disc; 7. an electric telescopic rod; 8. a positioning cylinder; 9. a handle; 10. a screw rod; 11. an internal thread block; 12. a side bar; 13. a regulating rod is arranged inside; 14. a threaded rod; 15. a thread groove; 16. a circular groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a three-jaw groove-shaped lifting appliance comprises a bottom fixing block 1, a top fixing block 2, hanging rings 3, metal cords 4, an installation column 5, a fixed disc 6, an electric telescopic rod 7, a positioning cylinder 8, a handle 9, a screw rod 10, an internal thread block 11, side rods 12, a built-in adjusting rod 13, a threaded rod 14, a threaded groove 15 and a circular groove 16, wherein the upper end of the bottom fixing block 1 is movably connected with the top fixing block 2, the hanging rings 3 are fixedly installed on the upper surface of the top fixing block 2, the metal cords 4 are connected inside the hanging rings 3 in a penetrating mode, the installation column 5 is fixedly installed at the upper end of the metal cords 4, the fixed disc 6 is welded in the middle position of the lower surface of the installation column 5, the outer side face of the fixed disc 6 is connected with the positioning cylinder 8 through the electric telescopic rod 7, the positioning cylinder 8 is movably arranged outside the metal cords 4, and the handle 9 is fixedly installed on the outer side face of the bottom fixing block 1, and the inside of handle 9 rotates and is connected with lead screw 10 to the outside swing joint of lead screw 10 has interior screw thread piece 11, and the outside both sides of interior screw thread piece 11 all are through side pole 12 and top fixed block 2 interconnect, and the lower fixed surface of top fixed block 2 installs built-in regulation pole 13.

In the embodiment, the top fixed block 2 and the bottom fixed block 1 form a lifting structure through a built-in adjusting rod 13, a threaded rod 14 penetrates through the side surface of the bottom fixed block 1, a threaded groove 15 is formed in the bottom fixed block 1, a round groove 16 is reserved in the built-in adjusting rod 13, the distance between the top fixed block 2 and the bottom fixed block 1 is adjusted through a transmission structure, and the range of the device for mounting the annular workpiece is enlarged;

3 metal cords 4 are arranged at the lower end of the mounting column 5 at equal angles, the metal cords 4 and the positioning cylinder 8 form a sliding structure, the metal cords 4 are rotatably connected with the hanging ring 3, and the positioning cylinder 8 can limit the distribution positions of the metal cords 4;

the positioning cylinder 8 and the fixed disc 6 form a telescopic structure through the electric telescopic rod 7, the positioning cylinder 8 and the electric telescopic rod 7 form a rotating structure, the electric telescopic rod 7 is operated according to the outer diameter of the annular workpiece to control the positioning cylinder 8 to stretch and move, and the distribution positions of the top fixed block 2 and the bottom fixed block 1 can be conveniently adjusted;

the internal thread block 11 is in threaded connection with the screw rod 10, the internal thread block 11 and the top fixing block 2 are of an integrated structure through the side rod 12, the screw rod 10 is controlled to rotate, and the internal thread block 11 is controlled to move up and down under the action of a thread transmission structure;

the threaded rod 14 is in threaded connection with the bottom fixing block 1 through a threaded groove 15, the threaded rod 14 is in penetrating connection with the built-in adjusting rod 13 through a circular groove 16, the inner diameter of the threaded groove 15 is smaller than that of the circular groove 16, and the threaded rod 14 is rotatably installed inside the bottom fixing block 1 through the threaded groove 15, so that the adjusting positions of the top fixing block 2 and the bottom fixing block 1 are limited conveniently;

the circular grooves 16 are arranged in the built-in adjusting rod 13 at equal intervals, 4 built-in adjusting rods 13 are fixedly arranged at the lower end of the top fixing block 2, and the threaded rod 14 penetrates through the built-in adjusting rod 13 through the circular grooves 16 to limit the moving position of the built-in adjusting rod 13.

The working principle is as follows: when the device is used, firstly, according to the structure shown in figures 1, 2 and 6, the positions corresponding to the three top fixing blocks 2 and the bottom fixing block 1 are adjusted according to the external diameter of the annular workpiece, the electric telescopic rod 7 is operated to control the positioning cylinder 8 to move to the side in a telescopic way, the positioning cylinder 8 slides outside the metal wire rope 4, the positioning cylinder 8 rotates relative to the electric telescopic rod 7 in the moving process, after the metal wire rope 4 is straightened under stress, the metal wire rope 4 is obliquely arranged at the lower end of the mounting column 5, and the metal wire rope 4 enables the top fixing blocks 2 and the bottom fixing blocks 1 at the three corresponding positions to be distributed at the same angle outside the annular workpiece under the position limiting action of the positioning cylinder 8, the part of clamps can more uniformly share the gravity of the annular workpiece, so as to avoid the phenomenon that the annular workpiece is inclined in the hoisting process, the stability in the hoisting process is improved;

then, according to the structure shown in fig. 1, 2, 3, 4 and 5, before the annular workpiece is installed, the distance between the top fixing block 2 and the bottom fixing block 1 is adjusted, the screw rod 10 is controlled to rotate, the screw rod 10 is in threaded connection with the internal thread block 11, the internal thread block 11 is driven to move up and down under the control of the thread transmission structure, the internal thread block 11 controls the top fixing block 2 to move up and down through the side rods 12, the top fixing block 2 drives the built-in adjusting rod 13 at the lower end to move telescopically in the bottom fixing block 1, after the top fixing block 2 is adjusted to a corresponding height position, the threaded rod 14 is rotatably installed in the bottom fixing block 1 through the threaded groove 15, at the moment, the threaded rod 14 is in through connection with the built-in adjusting rod 13 through the circular groove 16 at the corresponding position, the threaded rod 14 is arranged to limit the telescopic adjusting position of the built-in adjusting rod 13, the lifting adjusting position of the top fixing block 2 is further fixed, then the annular workpiece is placed between the top fixing block 2 and the bottom fixing block 1, and the mounting column 5 is lifted upwards through the lifting structure, so that the lifting process is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a three-jaw cell type hoist, includes bottom fixed block (1), erection column (5) and handle (9), its characterized in that: the upper end of the bottom fixing block (1) is movably connected with a top fixing block (2), a hanging ring (3) is fixedly arranged on the upper surface of the top fixing block (2), a metal cord (4) is connected inside the hanging ring (3) in a penetrating manner, the mounting column (5) is fixedly arranged at the upper end of the metal cord (4), a fixing disc (6) is welded in the middle of the lower surface of the mounting column (5), the outer side surface of the fixing disc (6) is connected with a positioning cylinder (8) through an electric telescopic rod (7), the positioning cylinder (8) is movably arranged outside the metal cord (4), the handle (9) is fixedly arranged on the outer side surface of the bottom fixing block (1), the inner part of the handle (9) is rotatably connected with a screw rod (10), an inner thread block (11) is movably connected outside the screw rod (10), and the two outer sides of the inner thread block (11) are connected with the top fixing block (2) through side rods (12), and a built-in adjusting rod (13) is fixedly arranged on the lower surface of the top fixing block (2).

2. The three-jaw trough-type spreader of claim 1, wherein: the lifting structure is formed by the top fixing block (2) and the bottom fixing block (1) through the built-in adjusting rod (13), a threaded rod (14) is installed on the side face of the bottom fixing block (1) in a penetrating mode, a threaded groove (15) is formed in the bottom fixing block (1), and a round groove (16) is reserved in the built-in adjusting rod (13) at the same time.

3. The three-jaw trough-type spreader of claim 1, wherein: the lower end of the mounting column (5) of the metal wire rope (4) is provided with 3 equal angles, the metal wire rope (4) and the positioning cylinder (8) form a sliding structure, and the metal wire rope (4) is rotatably connected with the hanging ring (3).

4. The three-jaw trough-type spreader of claim 1, wherein: a telescopic structure is formed by the positioning cylinder (8) and the fixed disc (6) through the electric telescopic rod (7), and a rotating structure is formed by the positioning cylinder (8) and the electric telescopic rod (7).

5. The three-jaw trough-type spreader of claim 1, wherein: the inner thread block (11) is in threaded connection with the screw rod (10), and the inner thread block (11) and the top fixing block (2) are of an integrated structure through the side edge rod (12).

6. The three-jaw trough-type spreader of claim 2, wherein: the threaded rod (14) is in threaded connection with the bottom fixing block (1) through a threaded groove (15), the threaded rod (14) is in penetrating connection with the built-in adjusting rod (13) through a circular groove (16), and the inner diameter of the threaded groove (15) is smaller than that of the circular groove (16).

7. The three-jaw trough-type spreader of claim 2, wherein: the circular grooves (16) are arranged in the built-in adjusting rods (13) at equal intervals, and 4 built-in adjusting rods (13) are fixedly arranged at the lower end of the top fixing block (2).