CN212450297U

CN212450297U - Gravity slab clamp

Info

Publication number: CN212450297U
Application number: CN202020729381.8U
Authority: CN
Inventors: 黄一诺
Original assignee: Jiangsu Xinxibei Mechanical And Electrical Co ltd
Current assignee: Jiangsu Xinxibei Mechanical And Electrical Co ltd
Priority date: 2020-05-06
Filing date: 2020-05-06
Publication date: 2021-02-02
Anticipated expiration: 2030-05-06

Abstract

The utility model belongs to the technical field of hoisting equipment, especially, gravity slab clamp, including first girder, symmetry fixed mounting has two telescopic links on the first girder, and the top fixed mounting of two telescopic links has same second girder, symmetrical rotation installs four dwangs on the first girder, and two dwangs that correspond rotate to be connected, rotate on the dwang and install the connecting rod, the connecting rod rotates with the second girder to be connected, the bottom fixed mounting of second girder has the kelly, the card hole has been seted up on the kelly, the draw-in groove has been seted up on the first girder, the sliding tray has been seted up on one side inner wall of draw-in groove, slidable mounting has the bayonet lock in the sliding tray, bayonet lock and card hole looks adaptation, the thread groove has been seted up on the bayonet lock. The utility model relates to a rationally, easy operation can realize automatic locking and open, and sensitivity is high, does not influence normal use.

Description

Gravity slab clamp

Technical Field

The utility model relates to a lifting means technical field especially relates to gravity slab clamp.

Background

The gravity slab clamp is a device for clamping and hoisting slabs, the traditional gravity slab clamp realizes closed clamping through the slab and the dead weight of the clamp, and the opening and the closed locking are controlled through a purely mechanical self-locking mechanism.

However, in the prior art, because the self-locking mechanism of the gravity slab clamp is of a pure mechanical structure, when a heavy object is hoisted, all parts of the gravity slab clamp are tightly clamped, so that the gravity slab clamp is insensitive to opening and closing and influences normal hoisting, and therefore the gravity slab clamp is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a gravity slab clamp.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a gravity slab clamp comprises a first crossbeam, wherein two telescopic rods are symmetrically and fixedly mounted on the first crossbeam, the top ends of the two telescopic rods are fixedly mounted on the same second crossbeam, four rotating rods are symmetrically and rotatably mounted on the first crossbeam, two corresponding rotating rods are rotatably connected, a connecting rod is rotatably mounted on the rotating rods, the connecting rod is rotatably connected with the second crossbeam, a clamping rod is fixedly mounted at the bottom of the second crossbeam, a clamping hole is formed in the clamping rod, a clamping groove is formed in the first crossbeam, a sliding groove is formed in the inner wall of one side of the clamping groove, a clamping pin is slidably mounted in the sliding groove and is matched with the clamping hole, a threaded groove is formed in the clamping pin, a threaded rod is mounted in the threaded groove, a cavity is formed in the first crossbeam, one end of the threaded rod extends into the cavity and is fixedly mounted with a first conical gear, the cavity is internally and fixedly provided with a motor, an output shaft of the motor is fixedly provided with a second bevel gear, and the second bevel gear is meshed with the first bevel gear.

Preferably, the telescopic link includes first bracing piece, the assembly groove has been seted up on the first bracing piece, slidable mounting has the second bracing piece in the assembly groove.

Preferably, two limiting grooves are symmetrically formed in the inner wall of the assembling groove, two limiting blocks are symmetrically and fixedly mounted on the second supporting rod, and the limiting blocks are connected with the inner walls of the corresponding limiting grooves in a sliding mode.

Preferably, two limiting rods are symmetrically and fixedly arranged in the sliding groove and are in sliding connection with the clamping pins.

Preferably, a groove is formed in the inner wall of one side, away from the sliding groove, of the clamping groove, and the groove is matched with the clamping pin.

Preferably, a rotating hole is formed in the inner wall of the cavity, a bearing is fixedly sleeved on the threaded rod, and the outer ring of the bearing is fixedly connected with the inner wall of the rotating hole.

Compared with the prior art, the beneficial effects of the utility model are that: the device can be locked and unlocked by arranging the motor, the threaded rod, the bayonet lock and the clamping rod, has sensitive response and does not influence normal use, and can clamp the plate blank by arranging the rotating rod and the connecting rod;

the utility model relates to a rationally, easy operation can realize automatic locking and open, and sensitivity is high, does not influence normal use.

Drawings

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

FIG. 2 is a schematic top cross-sectional view of the structure of FIG. 1;

FIG. 3 is a side view of the structure of FIG. 1;

fig. 4 is a schematic sectional view of the telescopic rod of fig. 1.

In the figure: 1. a first girder; 2. a telescopic rod; 201. a first support bar; 202. assembling a groove; 203. a second support bar; 204. a limiting groove; 205. a limiting block; 3. a second girder; 4. Rotating the rod; 5. a connecting rod; 6. a clamping rod; 7. a clamping hole; 8. a card slot; 9. a sliding groove; 10. A bayonet lock; 11. a thread groove; 12. a threaded rod; 13. a cavity; 14. a first bevel gear; 15. A motor; 16. a second bevel gear.

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. 1-4, the present invention provides a technical solution: a gravity slab clamp comprises a first girder 1, two telescopic rods 2 are symmetrically and fixedly installed on the first girder 1, the top ends of the two telescopic rods 2 are fixedly installed with a same second girder 3, four rotating rods 4 are symmetrically and rotatably installed on the first girder 1, two corresponding rotating rods 4 are rotatably connected, a connecting rod 5 is rotatably installed on each rotating rod 4, the connecting rod 5 is rotatably connected with the second girder 3, a clamping rod 6 is fixedly installed at the bottom of the second girder 3, a clamping hole 7 is formed in each clamping rod 6, a clamping groove 8 is formed in the first girder 1, a sliding groove 9 is formed in the inner wall of one side of each clamping groove 8, a clamping pin 10 is slidably installed in each sliding groove 9, the clamping pin 10 is matched with the clamping hole 7, a threaded groove 11 is formed in each clamping pin 10, a threaded rod 12 is installed in each threaded groove 11, a cavity 13 is formed in the first girder 1, one end of each threaded rod 12 extends into the cavity 13, a motor 15 is fixedly arranged in the cavity 13, a second bevel gear 16 is fixedly arranged on an output shaft of the motor 15, and the second bevel gear 16 is meshed with the first bevel gear 14;

the telescopic rod 2 comprises a first supporting rod 201, an assembly groove 202 is formed in the first supporting rod 201, a second supporting rod 203 is arranged in the assembly groove 202 in a sliding mode, two limiting grooves 204 are symmetrically formed in the inner wall of the assembly groove 202, two limiting blocks 205 are symmetrically and fixedly arranged on the second supporting rod 203, the limiting blocks 205 are connected with the inner wall of the corresponding limiting grooves 204 in a sliding mode, two limiting rods are symmetrically and fixedly arranged in a sliding groove 9 and are connected with a bayonet lock 10 in a sliding mode, a groove is formed in the inner wall, away from the sliding groove 9, of a clamping groove 8, the groove is matched with the bayonet lock 10, a rotating hole is formed in the inner wall of a cavity 13, a bearing is fixedly sleeved on a threaded rod 12, the outer ring of the bearing is fixedly connected with the inner wall of the rotating hole, the device can be locked and unlocked by arranging a motor 15, the threaded rod 12, the bayonet lock 10 and, the plate blank can be clamped by arranging the rotating rod 4 and the connecting rod 5; the utility model relates to a rationally, easy operation can realize automatic locking and open, and sensitivity is high, does not influence normal use.

The working principle is as follows: the device is lifted by a crane;

during the use, when the downward motion prepares to hoist, kelly 6 inserts in the draw-in groove 8, bayonet lock 10 runs through card hole 7 and inserts in the recess, when dwang 4 descends to assigned position, starter motor 15, motor 15 drives second bevel gear 16 and rotates, second bevel gear 16 drives first bevel gear 14 and rotates, first bevel gear 14 drives threaded rod 12 and rotates, threaded rod 12 drives bayonet lock 10 and moves, make it keep away from card hole 7, at this moment, stimulate second girder 3 through the hoist and move upwards, under the action of gravity, second girder 3 stimulates connecting rod 5 and rotates, connecting rod 5 stimulates dwang 4 and rotates, can carry out the centre gripping to the slab, make the slab hoist and mount.

It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the technology of this design principle, the settings of the power mechanism, the power supply system, the control system, etc. of the device are not completely described, and the details of the power mechanism, the power supply system, and the control system can be clearly known on the premise that those skilled in the art understand the principle of the present invention.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Gravity slab clamp, including first girder (1), its characterized in that: symmetrical fixed mounting has two telescopic links (2) on first girder (1), and the top fixed mounting of two telescopic links (2) has same second girder (3), symmetrical rotation installs four dwang (4) on first girder (1), and two dwang (4) that correspond rotate to be connected, it installs connecting rod (5) to rotate on dwang (4), connecting rod (5) rotate with second girder (3) and are connected, the bottom fixed mounting of second girder (3) has kelly (6), the card hole (7) have been seted up on kelly (6), draw-in groove (8) have been seted up on first girder (1), sliding tray (9) have been seted up on one side inner wall of draw-in groove (8), slidable mounting has bayonet lock (10) in sliding tray (9), bayonet lock (10) and card hole (7) looks adaptation, thread groove (11) have been seted up on bayonet lock (10), threaded rod (12) are installed to thread groove (11) internal thread, cavity (13) have been seted up on first girder (1), the one end of threaded rod (12) extends to in cavity (13) and fixed mounting has first conical gear (14), fixed mounting has motor (15) in cavity (13), fixed mounting has second conical gear (16) on the output shaft of motor (15), second conical gear (16) and first conical gear (14) meshing.

2. The gravity slab clamp of claim 1, wherein: the telescopic rod (2) comprises a first supporting rod (201), an assembly groove (202) is formed in the first supporting rod (201), and a second supporting rod (203) is arranged in the assembly groove (202) in a sliding mode.

3. The gravity slab clamp of claim 2, wherein: two limiting grooves (204) are symmetrically formed in the inner wall of the assembling groove (202), two limiting blocks (205) are symmetrically and fixedly mounted on the second supporting rod (203), and the limiting blocks (205) are connected with the corresponding inner walls of the limiting grooves (204) in a sliding mode.

4. The gravity slab clamp of claim 1, wherein: two limiting rods are symmetrically and fixedly arranged in the sliding groove (9), and the limiting rods are connected with the clamping pins (10) in a sliding mode.

5. The gravity slab clamp of claim 1, wherein: a groove is formed in the inner wall of one side, away from the sliding groove (9), of the clamping groove (8), and the groove is matched with the clamping pin (10).

6. The gravity slab clamp of claim 1, wherein: the inner wall of the cavity (13) is provided with a rotating hole, the threaded rod (12) is fixedly sleeved with a bearing, and the outer ring of the bearing is fixedly connected with the inner wall of the rotating hole.