CN211743931U - Bridge frame for quick disassembly and assembly - Google Patents

Abstract

The utility model relates to a crane span structure for quick disconnect, including outer crane span structure (1) and interior crane span structure (2) that cup joint, be equipped with connecting rod stop device (3) on interior crane span structure (2), connecting rod stop device (3) are including pivot (31) that link to each other, connecting plate (32), montant (33) and L type fixture block (34), fixed one goes up on outer crane span structure (1) and stretches out interior crane span structure (2) and outer crane span structure (1) with L type fixture block (34) matched with draw-in groove (5), montant (33) and connecting plate (32) accessible window (2 a) and opening (1 a) that are located pivot (31) one side, and stretch out articulated a dead lever (7) of montant (33) one end of outer crane span structure (1), the last connection of outer crane span structure (1) with dead lever (7) matched with fixation clamp seat (8). The utility model has the advantages that easy operation, the disconnect are quick, have alleviateed workman's intensity of labour, have improved work efficiency.

Description

Bridge frame for quick disassembly and assembly

Technical Field

The utility model belongs to the technical field of the crane span structure equipment technique and specifically relates to a crane span structure for quick disconnect.

Background

In order to facilitate the erection of cables and the tidiness of appearance, more and more construction units adopt bridges to load cables. When a carrying line is long, a plurality of sections of bridges are generally needed to be spliced, the bridges are generally fixedly connected through bolts, workers need to fix the bridges on two bridges one by one due to the fact that the bolts are more and denser, and when the bridges need to be dismounted, the bolts and nuts need to be dismounted one by one. The bridge splicing mode is time-consuming and labor-consuming, and the bridge splicing efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose is exactly in order to solve the problem that current crane span structure tear open and connect inefficiency, waste time and energy, provides a crane span structure for quick tear open and connect, can splice or unpack apart two adjacent crane span structures fast, has alleviateed workman's intensity of labour, has improved work efficiency.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a bridge frame for quick connection and disconnection comprises a pair of sleeved outer bridge frames and an inner bridge frame, wherein a connecting rod limiting device is arranged on the inner bridge frame and comprises a rotating shaft, the rotating shaft is connected to the inner wall of the inner bridge frame through a shaft seat, a connecting plate, one surface of which is parallel to the axis of the inner bridge frame, is connected to the rotating shaft, one end of the connecting plate is fixedly provided with a vertical rod, and the other end of the connecting plate is fixedly provided with an L-shaped clamping block which can extend out of the inner bridge frame;

a rectangular clamping groove is fixed on the inner wall of the outer bridge, the opening side of the clamping groove is right opposite to the L-shaped clamping block, the L-shaped clamping block and the L-shaped clamping block are correspondingly matched, and one end of the L-shaped clamping block can be completely embedded into the clamping groove;

the inner bridge frame is also provided with a window, the outer bridge frame is provided with an opening parallel to the axis of the outer bridge frame, and the vertical rod and the connecting plate positioned on one side of the rotating shaft can extend out of the inner bridge frame and the outer bridge frame through the window and the opening;

one end of a vertical rod extending out of the outer bridge frame is hinged with a fixed rod through a pin shaft, and the outer wall of the outer bridge frame is connected with a fixed clamping seat matched with the fixed rod so as to be fixed in the fixed clamping seat after being bent to one side through the fixed rod and complete the locking of the whole bridge frame.

Further, the fixing clamp seat comprises a base, two sets of high-strength springs are connected on the base in an inclined mode, a cylindrical clamping rod is connected to each group of springs, the two cylindrical clamping rods are tightly attached to each other and are parallel to each other, and the fixing rod can be embedded between the two cylindrical clamping rods to achieve the effect of fixing and locking.

Further, the included angle between each group of springs and the base is 45 degrees.

Furthermore, the number of the connecting rod limiting devices is two, and the two connecting rod limiting devices are oppositely arranged on the inner wall of the inner bridge frame.

Furthermore, a rubber anti-slip layer is arranged in the clamping groove and used for increasing the friction force between the L-shaped clamping block and the clamping groove.

The technical scheme of the utility model, earlier with the dead lever, the montant outwards pulls, the L type fixture block that makes the connecting plate other end contracts into in the internal bridge frame, guarantee in the bridge frame can get into outer crane span structure smoothly, then, interior bridge frame inwards continues to impel along the opening of outer crane span structure, the tip when interior bridge frame surpasss the draw-in groove in the outer crane span structure promptly, then with the dead lever, the montant inwards presses, make L type fixture block stretch out interior crane span structure, make it face the draw-in groove, this moment with interior bridge frame outwards pull to L type fixture block and the mutual block of draw-in groove, at last bend the dead lever along the round pin axle in the card goes into the fixing clamp seat, can accomplish the concatenation work of two crane spans, the dismantlement of crane span structure can be accomplished in the. The utility model is simple in operation, not only can guarantee the fixed connection between the crane span structure, can also improve the efficiency that the crane span structure was torn open and is connect, alleviate workman intensity of labour.

Drawings

Fig. 1 is a front view of a bridge for quick disconnect of the present invention;

fig. 2 is a side view of a bridge for quick disconnect of the present invention;

fig. 3 is a top view of a bridge frame for quick disconnect of the present invention;

fig. 4 is a schematic structural view of the fixing clip holder of the present invention when the fixing rod is not clipped in;

fig. 5 is a schematic structural view of the fixing clip holder of the present invention when the fixing rod is inserted.

Detailed Description

Example 1

In order to make the present invention more clearly understood, the following description is further made with reference to the accompanying drawings, and the specific embodiments described herein are only used for explaining the present invention, and are not used for limiting the present invention.

The utility model provides a crane span structure for quick disconnect which characterized in that:

referring to fig. 1, 2 and 3, the device comprises an outer bridge frame 1 and an inner bridge frame 2 which are sleeved, wherein a pair of connecting rod limiting devices 3 are arranged on the inner bridge frame 2 and are oppositely arranged on the inner wall of the inner bridge frame 2;

the connecting rod limiting device 3 comprises a rotating shaft 31, the rotating shaft 31 is connected to the inner wall of the inner bridge frame 2 through a shaft seat 4, the rotating shaft 4 is connected to one quarter of a connecting plate 32 on one surface, the connecting plate 32 is parallel to the axis of the inner bridge frame 2, a vertical rod 33 is fixed to the shorter end of the connecting plate 32, and an L-shaped clamping block 34 capable of extending out of the inner bridge frame 2 is fixed to the other end of the connecting plate;

a rectangular clamping groove 5 is fixed on the inner wall of the outer bridge frame 1, the opening side of the clamping groove 5 is right opposite to the L-shaped clamping block 34, the L-shaped clamping block and the L-shaped clamping block are correspondingly matched, and one end of the L-shaped clamping block 34 can be completely embedded into the clamping groove 5;

the inner bridge frame 2 is also provided with a window 2a, the outer bridge frame 1 is provided with an opening 1a parallel to the axis of the outer bridge frame, and the vertical rod 33 and the connecting plate 32 positioned on one side of the rotating shaft 31 can extend out of the inner bridge frame 2 and the outer bridge frame 1 through the window 2a and the opening 1 a;

one end of a vertical rod 33 extending out of the outer bridge frame 1 is hinged with a fixed rod 7 through a pin shaft 6, and the outer wall of the outer bridge frame 1 is connected with a fixed clamping seat 8 matched with the fixed rod 7 so as to be fixed in the fixed clamping seat after being bent to one side through the fixed rod to complete the locking of the whole bridge frame;

referring to fig. 4 and 5, the fixing clamp seat 8 includes a base 81, two sets of high-strength springs 82 are connected to the base 81 in an inclined manner, an included angle between each set of springs 82 and the base 81 is 45 °, and each set of springs 82 is connected with a cylindrical clamping rod 83, the two cylindrical clamping rods 83 are tightly attached to each other and are parallel to each other, and the fixing rod 7 can be embedded between the two cylindrical clamping rods 83 to achieve the effect of fixing and locking.

And a rubber anti-slip layer is arranged in the clamping groove and used for increasing the friction force between the L-shaped clamping block and the clamping groove.

When in use, the fixed rod 7 and the vertical rod 33 are firstly pulled outwards, the L-shaped fixture block 34 at the other end of the connecting plate 32 is retracted into the inner bridge 2 under the action of the connecting rod, the inner bridge frame 2 can smoothly enter the outer bridge frame 1, the inner bridge frame 2 is continuously pushed inwards along the opening 1a of the outer bridge frame 1, when the end part of the inner bridge frame 2 exceeds the clamping groove 5 in the outer bridge frame 1, then the fixing rod 7 and the vertical rod 33 are pressed inwards to enable the L-shaped fixture block 34 to extend out of the inner bridge frame 2 and face the clamping groove 5, at the moment, the inner bridge frame 2 is pulled outwards until the L-shaped fixture block 34 is clamped with the clamping groove 5, finally the fixing rod 7 is bent along the pin shaft 6 and clamped into two cylindrical clamping rods 83 of the fixing clamping seat 8, the fixing rod 7 is clamped by the cylindrical clamping rods 83 under the action of a high-strength spring 82, the splicing work of the two bridges can be completed, and the disassembling of the bridges can be completed by executing the operations in reverse. The utility model is simple in operation, not only can guarantee the fixed connection between the crane span structure, can also improve the efficiency that the crane span structure was torn open and is connect, alleviate workman intensity of labour.

In addition to the above embodiments, the present invention may have other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.

Claims (5)

1. The utility model provides a crane span structure for quick disconnect which characterized in that:

the device comprises an outer bridge frame (1) and an inner bridge frame (2) which are sleeved, wherein a connecting rod limiting device (3) is arranged on the inner bridge frame (2), the connecting rod limiting device (3) comprises a rotating shaft (31), the rotating shaft (31) is connected to the inner wall of the inner bridge frame (2), a connecting plate (32) with one surface parallel to the axis of the inner bridge frame (2) is connected to the rotating shaft (31), one end of the connecting plate (32) is fixed with a vertical rod (33), the other end of the connecting plate is fixed with an L-shaped clamping block (34), and the L-shaped clamping block (34) extends out of the end part of;

a clamping groove (5) is fixed on the inner wall of the outer bridge (1), the opening side of the clamping groove (5) is right opposite to the L-shaped clamping block (34), and the upper part of the L-shaped clamping block (34) can be completely embedded into the clamping groove (5);

the inner bridge frame (2) is also provided with a window (2 a), the outer bridge frame (1) is provided with an opening (1 a) parallel to the axis of the outer bridge frame, and the vertical rod (33) and the connecting plate (32) positioned on one side of the rotating shaft (31) can extend out of the inner bridge frame (2) and the outer bridge frame (1) through the window (2 a) and the opening (1 a);

one end of a vertical rod (33) extending out of the outer bridge frame (1) is hinged with a fixed rod (7), and a fixed clamping seat (8) matched with the fixed rod (7) is connected to the outer bridge frame (1).

2. The bridge for quick disconnect of claim 1, wherein:

fixed holder (8) include base (81), and base (81) slope connects two sets of high strength's spring (82), connects a cylinder on every group spring (82) and presss from both sides rod (83), and two cylinders press from both sides rod (83) and hug closely and parallel each other, and dead lever (7) can inlay between two cylinders press from both sides rod (83).

3. The bridge for quick disconnect of claim 2, wherein:

the included angle between each group of springs (82) and the base (81) is 45 degrees.

4. A bridge frame for quick disconnect as defined in any one of claims 1 to 3, wherein:

the two connecting rod limiting devices (3) are oppositely arranged on the inner wall of the inner bridge frame (2).

5. A bridge frame for quick disconnect as defined in any one of claims 1 to 3, wherein:

and a rubber anti-slip layer is arranged in the clamping groove (5).

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