CN210528263U

CN210528263U - Columnar heavy object clamping device

Info

Publication number: CN210528263U
Application number: CN201921504401.5U
Authority: CN
Inventors: 刘腾腾; 孙红军; 刘行行
Original assignee: Suzhou Alto Electromechanical Co Ltd
Current assignee: Suzhou Alto Electromechanical Co Ltd
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-05-15
Anticipated expiration: 2029-09-10

Abstract

The utility model discloses a column type heavy object clamping device relates to clamping device technical field, aims at solving the problem that the operation is more troublesome among the prior art, inconvenient use. The technical scheme is characterized in that a cross bar is provided with a hanging ring; a sleeve with one end in a closed state is arranged on the inner side of the vertical rod, a mounting cavity is formed in the sleeve, the mounting cavity extends to one end, away from the vertical rod, of the sleeve, a push rod is arranged in the mounting cavity in a sliding mode, and one end, away from the vertical rod, of the push rod extends out of the sleeve and is connected with a friction; one end of the sleeve, which is far away from the friction plate, is provided with a threaded hole communicated with the mounting cavity, and a tightening bolt which can be abutted against the ejector rod is arranged in the threaded hole. At first, the heavy object is placed between the two friction plates, the friction plates and the heavy object are abutted and clamped tightly by screwing and screwing the bolt, and at the moment, the crane can lift the portal frame and the heavy object together through the hanging ring, so that the effect of convenient use is achieved.

Description

Columnar heavy object clamping device

Technical Field

The utility model belongs to the technical field of clamping device technique and specifically relates to a column type heavy object clamping device is related to.

Background

The motor mainly comprises a stator and a rotor, wherein the rotor is a rotating part in the motor and is a conversion device for realizing electric energy and mechanical energy and electric energy. The motor rotor is mainly formed by laminating and pressing a plurality of rotor punching sheets together, and a rotating shaft is connected in the middle of the rotor and outputs mechanical energy through the rotating shaft. Whether the welding quality between rotor piece and the rotor directly influences the rotor and can normally work, so need guarantee the precision of both positions when welding the rotor piece on the rotor.

The prior application publication No. CN109850744A discloses a parallel disc lifting device for manufacturing cutters, which comprises a clamping plate, a suspension arm and a steel wire. Two davits are articulated each other, and two davits are from last to including cutting arm, bearing arm and linking arm down in proper order, and the one end that the bearing arm was kept away from to two linking arms all is provided with the grip block, and the one end that the bearing arm was kept away from to two cutting arms all is connected with the steel wire, and the top of two steel wires is connected with rings jointly. When the lifting device is lifted, a shearing force is provided for the shearing arm through a pulling force on the steel wire, the two connecting arms are extruded in opposite directions, the disc is clamped tightly by the clamping plate on the connecting arm through the groove of the disc, the steel wire is loosened after the disc is placed, the shearing force is cancelled, and the clamping plate at the other end of the suspension arm is taken down from the groove.

However, the above prior art solutions have the following drawbacks: in the process of clamping the disc, the shearing force is required to be provided through the pulling force on the steel wire, and the connecting arms are extruded oppositely, so that the disc is clamped, the operation is troublesome, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a column type heavy object clamping device, it has the effect of facilitate the use.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: a column-type heavy object clamping device comprises a portal frame, wherein the portal frame comprises a cross rod and vertical rods positioned at two ends of the cross rod, and the cross rod is provided with a lifting ring; a sleeve with one end in a closed state is arranged on the inner side of the vertical rod, an installation cavity is formed in the sleeve, the installation cavity extends to one end, away from the vertical rod, of the sleeve, an ejector rod is arranged in the installation cavity in a sliding mode, and one end, away from the vertical rod, of the ejector rod extends out of the sleeve and is connected with a friction plate; one end of the sleeve, which is far away from the friction plate, is provided with a threaded hole communicated with the mounting cavity, and a tightening bolt which can be abutted against the ejector rod is arranged in the threaded hole.

By adopting the technical scheme, the heavy object is firstly positioned between the two friction plates, and then the tightening bolt is tightened, so that the tightening bolt is abutted against the ejector rod and the friction plates move towards the direction far away from the vertical rod, and the friction plates are abutted against the heavy object and are clamped tightly. At the moment, the crane is started, and the crane can lift the portal frame and the heavy object together through the hoisting ring. When a heavy object needs to be put down, the tightening bolt is screwed down, and the ejector rod is pushed to enable the ejector rod and the friction plate to move towards the direction close to the vertical rod, so that the heavy object can fall off, and the effect of convenient use is achieved.

The utility model discloses further set up to: one end of the ejector rod, which is close to the friction plate, is provided with a positioning hole, a counter bore is arranged on the friction plate, the positioning hole is communicated with the counter bore, and a screw penetrates through the positioning hole and the counter bore together.

Through adopting above-mentioned technical scheme, the screw rod can increase the connection steadiness of ejector pin and friction disc, and on the other hand, the spiral shell head of screw rod is located the counter sink, can avoid the screw rod to cause the damage to the rotor piece.

The utility model discloses further set up to: one end of the friction plate, which is far away from the ejector rod, is in an inwards concave arc shape.

By adopting the technical scheme, the rotor plate is cylindrical, and the friction plate is in arc-shaped one end and is abutted against the rotor plate, so that the rotor plate is further clamped by the friction plate.

The utility model discloses further set up to: the vertical rod is provided with a through hole, and one end, far away from the friction plate, of the sleeve extends into the through hole and is fixedly connected with the inner side wall of the through hole.

Through adopting above-mentioned technical scheme, the sleeve pipe is located the through-hole, has further increased the connection steadiness of sleeve pipe and erect the pole.

The utility model discloses further set up to: the one end that the friction disc was kept away from to the ejector pin is connected with the stopper, the one end that the installation cavity is close to the friction disc is provided with the spacing ring that prevents the stopper and break away from the sleeve pipe.

Through adopting above-mentioned technical scheme, when the ejector pin removed to the one end of keeping away from the montant, the position of stopper can be restricted to the spacing ring, can prevent that the ejector pin from breaking away from the sleeve pipe.

The utility model discloses further set up to: the guide rod is sleeved with a spring, one end of the spring abuts against the limiting block, and the other end of the spring abuts against the limiting ring.

Through adopting above-mentioned technical scheme, when the ejector pin moved to the one end of keeping away from the montant, the spring was compressed, the elastic potential energy of scraping up, when taking off the tightening bolt, ejector pin and friction disc resume to initial position under the elastic force of spring, reached the effect of the operation of being convenient for.

The utility model discloses further set up to: be provided with the gasket in the installation cavity, the gasket is located between the diapire of stopper and installation cavity.

Through adopting above-mentioned technical scheme, the intraductal gasket that is provided with of cover for screw up the bolt and can contact with the gasket, cause the damage and influence the life of ejector pin to the stopper when can avoiding screwing up bolt and stopper contact.

The utility model discloses further set up to: the planar bearing is arranged between the gasket and the limiting block, the tightening ring of the planar bearing is abutted against the limiting block, and the loosening ring of the planar bearing is abutted against the gasket.

By adopting the technical scheme, the ejector rod and the friction plate can rotate along the circumferential direction of the sleeve under the action of the plane bearing, so that the object can be further clamped conveniently and the operation is convenient.

To sum up, the utility model discloses a beneficial technological effect does:

1. the portal frame, the friction plate and the tightening bolt are arranged, so that the effects of convenience in operation and use are achieved;

2. the limiting block can be prevented from being separated from the sleeve by the arrangement of the limiting block and the limiting ring;

3. through the setting of spring, reached the effect of being convenient for operate.

Drawings

Fig. 1 is a schematic view of an overall structure of a column-shaped weight holding device according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a bushing according to an embodiment of the present invention.

In the figure, 1, a portal frame; 11. a cross bar; 12. a vertical rod; 13. a hoisting ring; 14. a through hole; 2. a sleeve; 21. a mounting cavity; 22. a top rod; 23. a friction plate; 24. a threaded hole; 25. screwing down the bolt; 26. positioning holes; 27. a counter bore; 28. a screw; 3. a limiting block; 31. a limiting ring; 32. a spring; 33. a gasket; 34. a flat bearing; 35. a positioning ring; 36. mounting holes; 37. connecting holes; 38. and connecting the bolts.

Detailed Description

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

Referring to fig. 1 and 2, for the utility model discloses a column type heavy object clamping device, including portal frame 1, portal frame 1 includes horizontal pole 11 and the montant 12 that is located horizontal pole 11 both ends, and the top of horizontal pole 11 is provided with rings 13. Two montants 12 are all provided with through-hole 14 on the lateral wall that sets up in opposite directions, all are connected with sleeve pipe 2 in two through-holes 14, the one end of sleeve pipe 2 stretch into in the through-hole 14 and with the inside wall fixed connection of through-hole 14, the other end of sleeve pipe 2 is located two montant 12's inboard, the one end that sleeve pipe 2 stretched into through-hole 14 is the closed condition and flushes mutually with the lateral wall that two montants 12 set up mutually back on the back. Taking one of the sleeves 2 as an example, a mounting cavity 21 is formed in the sleeve 2, an ejector rod 22 is slidably arranged in the mounting cavity 21, one end of the ejector rod 22, which is far away from the vertical rod 12, extends out of the sleeve 2 and is connected with a friction plate 23, and one end of the friction plate 23, which is far away from the ejector rod 22, is in an inward concave arc shape.

Referring to fig. 2, one end of the ejector rod 22, which is far away from the friction plate 23, is connected with a limiting block 3, a flat bearing 34 is arranged between the limiting block 3 and the bottom wall of the installation cavity 21, a tightening ring of the flat bearing 34 abuts against the limiting block 3, a loose ring of the flat bearing 34 is connected with a gasket 33, and one end of the gasket 33, which is far away from the flat bearing 34, abuts against the bottom wall of the installation cavity 21. One end of the mounting cavity 21 close to the friction plate 23 is provided with a limiting ring 31, the outer side wall of the limiting ring 31 is abutted against the inner side wall of the mounting cavity 21, and the inner diameter of the limiting ring 31 is smaller than the outer diameter of the limiting block 3. The top rod 22 is sleeved with a spring 32, one end of the spring 32 is abutted against the limiting block 3, and the other end of the spring 32 is abutted against the limiting ring 31. The outer side wall of the sleeve 2 is provided with a mounting hole 36 communicated with the mounting cavity 21, the limiting ring 31 is provided with a connecting hole 37, the connecting hole 37 is communicated with the mounting hole 36, and a connecting bolt 38 is arranged in the mounting hole 36 and the connecting hole 37 in a penetrating mode. The positioning ring 35 is arranged on the inner side wall of the mounting cavity 21, and the positioning ring 35 abuts against one end, away from the friction plate 23, of the limiting ring 31 to limit the position of the limiting ring 31, so that the mounting hole 36 corresponds to the connecting hole 37, and the insertion of the connecting bolt 38 is facilitated.

Referring to fig. 2, a threaded hole 24 communicating with the mounting cavity 21 is formed in one end of the sleeve 2 away from the friction plate 23, a tightening bolt 25 is connected in the threaded hole 24, in this embodiment, the tightening bolt 25 includes a head and a rod which are sequentially arranged, one end of the rod abuts against the gasket 33 and drives the gasket 33 and the ejector 22 to move along the axial direction of the sleeve 2, and the other end of the rod is connected with the head. A clamping block (not shown in the figure) is arranged at one end of the screw head close to the screw rod, and the clamping block is arranged in a hexagon shape; the end of the screw rod close to the screw head is provided with a hexagonal groove (not shown in the figure) for the fixture block to extend into. One end of the ejector rod 22 close to the friction plate 23 is provided with a positioning hole 26, the friction plate 23 is provided with a counter bore 27, the positioning hole 26 is communicated with the counter bore 27, and a screw 28 is arranged in the positioning hole 26 and the counter bore 27 in a penetrating mode.

The implementation principle of the embodiment is as follows:

when the weight needs to be clamped, the weight is firstly placed between the two friction plates 23, then the tightening bolt 25 is tightened to enable the tightening bolt 25 to abut against the gasket 33 and drive the gasket 33, the ejector rod 22 and the friction plates 23 to move along the axial direction of the mounting cavity 21, at the moment, the spring 32 is compressed, the elastic potential energy is accumulated, and after the two friction plates 23 clamp the weight, the tightening bolt 25 is not screwed any more.

When the heavy object is clamped, the crane is started, and the crane can lift the portal frame 1 and the heavy object through the lifting ring 13, so that the heavy object is moved to operate.

When the heavy object needs to be put down, the tightening bolt 25 is screwed off, the mandril 22 and the friction plate 23 are restored to the initial positions under the elastic force of the spring 32, and the heavy object can be separated from the portal frame 1.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a column type heavy object clamping device which characterized in that: the gantry comprises a gantry frame (1), wherein the gantry frame (1) comprises a cross bar (11) and vertical bars (12) positioned at two ends of the cross bar (11), and a hanging ring (13) is arranged on the cross bar (11); a sleeve (2) with one end in a closed state is arranged on the inner side of the vertical rod (12), a mounting cavity (21) is formed in the sleeve (2), the mounting cavity (21) extends to one end, away from the vertical rod (12), of the sleeve (2), a push rod (22) is arranged in the mounting cavity (21) in a sliding mode, and one end, away from the vertical rod (12), of the push rod (22) extends out of the sleeve (2) and is connected with a friction plate (23); one end, far away from the friction plate (23), of the sleeve (2) is provided with a threaded hole (24) communicated with the mounting cavity (21), and a tightening bolt (25) capable of abutting against the ejector rod (22) is arranged in the threaded hole (24).

2. The column-type weight holding apparatus as claimed in claim 1, wherein: one end of the ejector rod (22) close to the friction plate (23) is provided with a positioning hole (26), a counter bore (27) is formed in the friction plate (23), the positioning hole (26) is communicated with the counter bore (27), and a screw (28) penetrates through the positioning hole (26) and the counter bore (27) together.

3. The column-type weight holding apparatus as set forth in claim 2, wherein: one end of the friction plate (23) far away from the ejector rod (22) is in an inwards concave arc shape.

4. The column-type weight holding apparatus as claimed in claim 1, wherein: the vertical rod (12) is provided with a through hole (14), and one end, far away from the friction plate (23), of the sleeve (2) extends into the through hole (14) and is fixedly connected with the inner side wall of the through hole (14).

5. The column-type weight holding apparatus as claimed in claim 1, wherein: one end of the ejector rod (22) far away from the friction plate (23) is connected with a limiting block (3), and one end of the installation cavity (21) close to the friction plate (23) is provided with a limiting ring (31) for preventing the limiting block (3) from being separated from the sleeve (2).

6. The column-type weight holding apparatus as set forth in claim 5, wherein: the spring (32) is sleeved on the ejector rod (22), one end of the spring (32) is abutted against the limiting block (3), and the other end of the spring (32) is abutted against the limiting ring (31).

7. The column-type weight holding apparatus as set forth in claim 5, wherein: be provided with gasket (33) in installation cavity (21), gasket (33) are located between the diapire of stopper (3) and installation cavity (21).

8. The column-type weight holding apparatus as claimed in claim 7, wherein: a plane bearing (34) is arranged between the gasket (33) and the limiting block (3), a tightening ring of the plane bearing (34) is abutted against the limiting block (3), and a loosening ring of the plane bearing (34) is abutted against the gasket (33).