CN214394244U - Dovetail groove type assembly load jaw - Google Patents

Abstract

The utility model provides a forked tail slot type assembly heavy burden is kept silent. The tail ends of the inner tong arm and the outer tong arm are respectively provided with a tong tooth seat and tong teeth, and the tong tooth seats and the tong teeth are connected together through dovetail grooves to clamp steel billets. The clamp teeth are of a strip structure, and a dovetail groove boss is arranged on one side of the clamp teeth and corresponds to a dovetail groove on the clamp tooth seat; the other side is provided with arranged sawteeth for clamping the steel billet; the middle part of the clamp tooth is provided with a counter bore, and the clamp tooth is fastened on the clamp tooth seat by a screw for limiting. The utility model adopts the structure that the tail ends of the inner tong arm and the outer tong arm are both provided with the tong tooth holders and the tong teeth, the tong tooth holders and the tong teeth are connected through the dovetail grooves and are locked and limited by the screws, and the steel billet is clamped, the structure is compact, and the operation is convenient; the upper row of the jaw is provided with sawteeth, the sharp angle of the sawteeth 12.2 is 90 degrees, the included angle between the adjacent sawteeth 12.2 is 90 degrees, and the jaw is forged by adopting heat-resistant die steel, has good wear resistance and high temperature resistance and is suitable for hoisting steel billets. Is suitable for being used as a jaw.

Description

Dovetail groove type assembly load jaw

Technical Field

The utility model relates to a vice of hoist especially relates to forked tail slot type assembly heavy burden and keeps silent.

Background

At present, the jaws of a clamp sling generally adopt a structure of inlaying a cushion plate. However, when the billet clamp clamps the billet, a stable clamping force is required, and the billet clamp also needs to bear a high temperature below 700 ℃, so that a base plate made of a non-metal material is easily damaged, and potential safety hazards exist.

Disclosure of Invention

In order to solve the wearability and the high temperature resistance that the steel billet clamped, steel billet handling safe and reliable, the utility model provides a forked tail slot type assembly is born a burden and is kept silent. This heavy burden is kept silent and is set up the sawtooth through dovetail slot formula assembly tong tooth on the tong tooth, increases the wearability of centre gripping steel billet, adopts metal material preparation tong tooth simultaneously, improves the high temperature resistance of tong tooth, and safety in production solves the technical problem of steel billet clamp wearability and high temperature resistance.

The utility model provides a scheme that technical problem adopted is:

the dovetail groove type assembly load-bearing jaw comprises a hanging ring, a shackle, a hanging beam, a cross beam, a rotary lock, an outer connecting rod, an inner connecting rod, an outer tong arm, a support plate, an inner tong arm, a synchronous plate, a tong tooth seat and tong teeth, wherein the hanging ring connected through the shackle is arranged at the upper part of the hanging beam, the rotary lock is arranged at the lower part of the hanging beam and connected with the cross beam, the outer connecting rod and the inner connecting rod are symmetrically arranged at two ends of the hanging beam, the inner tong arm is connected with the tail end of the outer connecting rod, the outer tong arm is connected with the tail end of the inner connecting rod, the inner tong arm is connected with the outer tong arm through the support plates at two sides, and the synchronous plate linkage is arranged between the support plates;

the tail ends of the inner tong arm and the outer tong arm are respectively provided with a tong tooth seat and tong teeth, and the tong tooth seats and the tong teeth are connected together through dovetail grooves to clamp steel billets.

In order to further solve the technical problem to be solved by the utility model, in the pliers teeth provided by the utility model, the pliers teeth are in a strip structure, and a dovetail groove boss is arranged on one side of each pliers tooth and corresponds to a dovetail groove on a pliers tooth seat; the other side is provided with arranged sawteeth for clamping the steel billet; the middle part of the clamp tooth is provided with a counter bore, and the clamp tooth is fastened on the clamp tooth seat by a screw for limiting.

Furthermore, the sharp angle of each saw tooth is 90 degrees, and the included angle between every two adjacent saw teeth is 90 degrees.

Furthermore, a dovetail groove is formed in the clamp tooth seat and used for being assembled with a dovetail boss on the clamp tooth.

Furthermore, the pliers teeth are forged by heat-resistant die steel and can resist the high temperature of 900 ℃.

The steel billet clamping device has the advantages that as the tail ends of the inner tong arm and the outer tong arm are respectively provided with the tong tooth holders and the tong teeth, the tong tooth holders and the tong teeth are connected through the dovetail grooves, and the screw is locked for limiting and assembling firmly and reliably, the steel billet is clamped, the structure is compact, and the operation is convenient; the die steel is forged by adopting heat-resistant die steel, has good wear resistance and high temperature resistance, and is suitable for hoisting steel billets. The dovetail groove type assembling load-bearing jaw is suitable for being used as a dovetail groove type assembling load-bearing jaw.

Drawings

FIG. 1 is a front view of a clamp spreader;

FIG. 2 is a side view of a clamp sling;

FIG. 3 is a perspective view of a pair of pliers teeth;

fig. 4 is a sectional view of the jaw.

In the figure, 1, a lifting ring, 2, a shackle, 3, a lifting beam, 4, a cross beam, 5, a twist lock, 6, an outer connecting rod, 7, an inner connecting rod, 8, an outer tong arm, 9, a support plate, 10, an inner tong arm, 11, a tong tooth seat, 12, tong teeth, 12.1, a dovetail groove boss, 12.2, a sawtooth and 13 are synchronous plates.

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. 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. 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.

According to the drawings 1 and 2, the clamp for assembling the load-bearing jaw by applying the dovetail groove type is also composed of a hanging ring 1, a shackle 2, a hanging beam 3, a cross beam 4, a rotary lock 5, an outer connecting rod 6, an inner connecting rod 7, an outer tong arm 8, a support plate 9, an inner tong arm 10 and a synchronous plate 13, the hanging ring 1 connected through the shackle 2 is arranged at the upper part of the hanging beam 3, the rotary lock 5 arranged at the lower part of the hanging beam 3 is connected with the cross beam 4, the outer connecting rod 6 and the inner connecting rod 7 are symmetrically arranged at two ends of the hanging beam 3, the inner tong arm 10 is connected with the tail end of the outer connecting rod 6, the outer tong arm 8 is connected with the tail end of the inner connecting rod 7, the inner tong arm 10 is connected with the outer tong arm 8 through the support plates 9 at two sides, and the synchronous plates 13 are arranged between the support plates 9 for linkage;

referring to fig. 3 and 4, unlike the prior art, the tail ends of the inner tong arm 10 and the outer tong arm 8 are respectively provided with a tong jaw seat 11 and tong teeth 12, and the tong jaw seats 11 and the tong teeth 12 are connected together through dovetail grooves to clamp a billet.

The clamp teeth 12 are of a strip structure, and a dovetail groove boss 12.1 is arranged on one side of each clamp tooth and corresponds to a dovetail groove on the clamp tooth seat 11; the other side is provided with arranged saw teeth 12.2 for clamping the steel billet; the middle part of the clamp teeth 12 is provided with a counter bore, and the clamp teeth 12 are fastened on the clamp teeth seat 11 by screws for limiting.

The sharp angle of the saw teeth 12.2 is 90 degrees, and the included angle between the adjacent saw teeth 12.2 is 90 degrees.

The clamp tooth seat 11 is provided with a dovetail groove for assembling with a dovetail boss on the clamp tooth 12.

The tong teeth 12 are forged by heat-resistant die steel and can resist the high temperature of 900 ℃.

The utility model discloses a working process:

1. first, a clamp which is in a normally open opening is placed above the slab under the control of a twist lock.

2. The clamp is slowly placed on the slab, the lock core of the twist lock is pushed upwards by the lock frame, the lock core is pushed by the axial convex head at the head part to rotate by 45 degrees, and when the lifting appliance is lifted upwards, the twist lock rotates by 45 degrees.

3. When the clamp is continuously lifted upwards, the twist lock is opened at the moment, and finally the clamp is lifted by the crane hook, the two clamp arms are gradually folded to clamp the billet.

4. When the slab is moved to a designated place, the lock core rotates by 90 degrees again under the push of the axial convex head at the head part of the lock core along with the falling of the crane hook, the rotary lock is closed, and the automatic closing type vertical hanging clamp finishes a cycle action.

The utility model has the characteristics that:

because the clamp tooth seat and the clamp tooth are connected together through the dovetail groove, the angle is more reasonable when the steel billet is hoisted, the structure is compact, the operation is convenient, and the clamp tooth seat is suitable for hoisting the steel billet.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (5)

1. Forked tail slot type assembly is born a burden and is kept silent, characterized by: the clamp comprises a lifting ring (1), shackles (2), a lifting beam (3), a cross beam (4), a rotary lock (5), an outer connecting rod (6), an inner connecting rod (7), an outer tong arm (8), supporting plates (9), an inner tong arm (10), a synchronous plate (13), a clamp tong tooth seat (11) and tong teeth (12), wherein the lifting ring (1) connected through the shackles (2) is arranged at the upper part of the lifting beam (3), the rotary lock (5) is arranged at the lower part of the lifting beam (3) and connected with the cross beam (4), the outer connecting rod (6) and the inner connecting rod (7) are symmetrically arranged at two ends of the lifting beam (3), the inner tong arm (10) is connected with the tail end of the outer connecting rod (6), the outer tong arm (8) is connected with the tail end of the inner connecting rod (7), the inner tong arm (10) and the outer tong arm (8) are connected through the supporting plates (9) at two sides, and the synchronous plate (13) is arranged between the supporting plates (9) in a linkage manner;

the tail ends of the inner tong arm (10) and the outer tong arm (8) are respectively provided with a tong jaw seat (11) and tong teeth (12), and the tong jaw seats (11) and the tong teeth (12) are connected together through dovetail grooves to clamp steel billets.

2. The dovetail-style assembly load jaw of claim 1, wherein:

the clamp teeth (12) are of a strip structure, and a dovetail groove boss (12.1) is arranged on one side of the clamp teeth and corresponds to a dovetail groove on the clamp tooth seat (11); the other side is provided with arranged saw teeth (12.2) for clamping the steel billet; a counter bore is arranged in the middle of the clamp teeth (12), and the clamp teeth (12) are fastened on the clamp teeth seat (11) by screws for limiting.

3. The dovetail-style assembly load jaw of claim 2, wherein:

the sharp angle of the saw teeth (12.2) is 90 degrees, and the included angle between the adjacent saw teeth (12.2) is 90 degrees.

4. The dovetail-style assembly load jaw of claim 1, wherein:

the clamp tooth seat (11) is provided with a dovetail groove for being assembled with a dovetail boss on the clamp tooth (12).

5. The dovetail-style assembly load jaw of claim 2, wherein:

the pincer teeth (12) are forged by heat-resistant die steel and can resist the high temperature of 900 ℃.

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