CN212269214U - Horizontal lifting appliance for pipe sheet - Google Patents

Abstract

The utility model belongs to precast concrete section of jurisdiction hoist and mount technique, in particular to section of jurisdiction horizontal lifting device. This section of jurisdiction horizontal lifting device includes rings, crossbeam, press from both sides leg, connecting portion and splint, and the press from both sides leg activity sets up at the both ends of crossbeam, and connecting portion pass through the loose axle to be connected with rings, and both ends are fixed with the press from both sides leg respectively, are provided with splint at the press from both sides leg end, owing to all be swing joint, along with the rebound of rings for splint are to middle activity, press from both sides the section of jurisdiction tightly. The utility model has the advantages of the device is simple, easily operates to work efficiency is high.

Description

Horizontal lifting appliance for pipe sheet

Technical Field

The utility model belongs to precast concrete section of jurisdiction hoist and mount technique, in particular to section of jurisdiction horizontal lifting device.

Background

With the economic development and the acceleration of the urbanization process, tunnel construction is required for urban subways, water conservancy and hydropower, highways and railways, at present, large shields are generally adopted for tunneling in underground tunnel construction, and a precast concrete segment supporting method is adopted. The segment needs to be hoisted for many times in the production process, and the development of the segment horizontal lifting appliance suitable for production is necessary for segment production. The segment horizontal lifting appliance is used for lifting segments when the segments are placed and can be frequently used in a segment production field.

In the prior art, a hanging strip or a complex hanging tool is adopted for lifting the duct piece, the hanging strip is poor in lifting balance, safety and durability, a hydraulic electric system is additionally arranged in the complex hanging tool, more auxiliary equipment is needed, and components are easy to damage in frequent use and influence is caused on construction.

201220327908.X discloses a special lifting appliance for concrete pipe sheets, and the technology has the defects that 1. the clamping force generated by the device is small due to small moment, and a blocking part needs to be added in the horizontal direction; 2. the device needs regularly clear up the dust, prevents that the hoist card from dying, has caused work efficiency's reduction like this.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a section of jurisdiction horizontal lifting device.

The utility model aims at solving through the following technical scheme:

the horizontal lifting appliance for the pipe sheet comprises a lifting ring, a cross beam, clamping legs, a connecting rod and a clamping plate;

the clamping legs comprise a first clamping leg and a second clamping leg, and the first clamping leg and the second clamping leg are respectively arranged at two ends of the cross beam and movably connected;

clamping plates are arranged at the ends, far away from the cross beam, of the first clamping leg and the second clamping leg;

two ends of the connecting part are respectively fixed with the first clamping leg and the second clamping leg, and the clamping legs are arranged at intervals with the cross beam; the middle part of the connecting part is foldable and is movably connected with the hanging ring.

Furthermore, the connecting part comprises a first connecting rod and a second connecting rod, one end of the first connecting rod and one end of the second connecting rod are fixed with the hanging ring through the movable shaft, the other end of the first connecting rod is connected with the first clamping leg, and the other end of the second connecting rod is fixed with the second clamping leg.

Furthermore, the first connecting rod comprises a fixed rod and a rocker arm, one end of the fixed rod is fixed with the first clamping leg, the other end of the fixed rod is fixed with one end of the rocker arm through a movable shaft, and the other end of the rocker arm is fixed with the hanging ring through the movable shaft; the second connecting rod has the same structure as the first connecting rod.

Furthermore, the cross beam comprises a first cross beam and a second cross beam, the clamping legs are arranged between the first cross beam and the second cross beam, and the clamping legs are connected with the first cross beam and the second cross beam through movable shafts.

Furthermore, the middle part of the cross beam is provided with a limit pin, and the hoisting ring is fixed between the first cross beam and the second cross beam through the limit pin.

Furthermore, a plurality of reinforcing ribs are arranged on the clamping plate and are welded and fixed with the clamping legs.

Furthermore, one surface of the clamping plate contacting with the heavy object is a vertical surface or a cambered surface.

Further, the surface of the clamping plate is provided with a rubber pad.

Compared with the prior art, the utility model has the advantages that the device is simple and easy to operate, the larger the weight of the lifted object is, the higher the clamping force and the working efficiency are,

drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.

Fig. 1 is a left side view of the hanger of the present invention;

fig. 2 is a front view of embodiment 1 of the present invention;

fig. 3 is a front view of embodiment 2 of the present invention;

wherein: 1 is a hanging ring; 2 is a beam; 3 is a clamping leg; 4 is a limit pin; 5 is a connecting part; 6 is a movable shaft; 7 is a splint; 31 is a first clamping leg; 32 is a second clamping leg; 51 is a first connecting rod; 52 is a second link; 71 is a rubber pad; 72 is a reinforcing rib; 511 is a rocker arm; 512 is a fixing rod.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus consistent with certain aspects of the invention, as detailed in the following claims.

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and the embodiments.

Example 1

Referring to fig. 1-2, the utility model comprises a hanging ring 1, a beam 2, clamping legs 3, a connecting part 5 and a clamping plate 7, wherein the clamping legs 3 comprise a first clamping leg 31 and a second clamping leg 32 which are respectively arranged at two ends of the beam 2 and movably connected;

the end of the first clamping leg 31 and the end of the second clamping leg 32 far away from the cross beam 2 are provided with clamping plates 7 for clamping heavy objects, the connecting part 5 is composed of a first connecting rod 51 and a second connecting rod 52, one end of the first connecting rod 51 and one end of the second connecting rod 52 are fixed with the lifting ring 1 through a movable shaft 6, the other end of the first connecting rod 51 is fixed with the first clamping leg 31, the other end of the second connecting rod 52 is fixed with the second clamping leg 32, the first connecting rod 51 and the cross beam 2 are arranged on the first clamping leg 31 at intervals, the second connecting rod and the cross beam 2 are arranged on the second clamping leg 32 at intervals, the lever fixing principle is utilized in the setting, and the weight of the heavy objects is in direct proportion to the clamping force.

Further, the first connecting rod 51 comprises a fixed rod 512 and a rocker arm 511, one end of the fixed rod 512 is fixed with the first clamping leg 31, the other end of the fixed rod 512 is fixed with one end of the rocker arm 511 through a movable shaft 6, and the other end of the rocker arm 511 is fixed with the hanging ring 1 through the movable shaft 6; the second link structure is the same as the first link.

Further, the cross beam 2 comprises a first cross beam and a second cross beam, and the clamping legs 3 are arranged between the two cross beams and connected with the first cross beam and the second cross beam through the movable shafts 6.

Further, the middle of the cross beam 2 is provided with a limit pin 4, the lifting ring is fixed between the first cross beam and the second cross beam through the limit pin 4, the limit pin can be taken down at any time, when the lifting appliance is used, the limit pin 4 is taken down, after the lifting appliance is used, the limit pin 4 is installed, and the lifting ring 1 is fixed

Furthermore, the clamping plate 7 is provided with a 2 reinforcing rib 72, and the clamping plate 7 is welded and fixed with the clamping leg 3 through the reinforcing rib 72.

Further, the outer surface of the splint 2 is a vertical surface.

Further, the rubber pads are arranged on the surfaces of the clamping plates 7, on one hand, the rubber pads 71 are used for protecting the lifted objects and preventing the lifted objects from being damaged when the pipe piece is clamped, and on the other hand, friction force can be increased and clamping force can be increased.

Example 2

On embodiment 1 basis, connecting portion 5 can be rope or chain, and connecting portion 5 both ends are fixed respectively on first contained leg 31 and second contained leg 32, and connecting portion 5 middle part is fixed with rings 1, and along with rings 1's rising, it is tight with the thing of hanging to drive contained leg 3 through connecting portion 5.

Example 3

As shown in fig. 3, in example 1, one surface of the clamp plate 7 contacting the weight is an arc surface, a rubber pad is arranged on the arc surface, and the clamping force can be further increased by placing the hung object in the arc surface during hoisting.

The utility model discloses a practical step as follows: hanging the hanging ring 1 on a lifting hook of a crane, placing a lifting appliance above a lifted object, taking down the limiting pin 4, placing the two clamping legs 3 on two sides of the lifted object, and enabling the clamping plates 7 to be tightly attached to the lifted object; and starting to lift, as the cross beam 2 and the clamping legs 3 and the connecting rod and the lifting ring 1 are movably connected, the lifting ring 1 moves upwards to drive the connecting rod to move upwards, and the connecting rod simultaneously drives the clamping legs 3 to do circular motion, so that the lifted object is clamped by the clamping plates 4. Due to the lever principle, the clamping force is greater the heavier the suspended weight.

The above description is only exemplary of the invention, and is intended to enable those skilled in the art to understand and implement the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention.

It is to be understood that the present invention is not limited to what has been described above, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims (8)

1. The horizontal lifting appliance for the pipe slice is characterized by comprising a lifting ring (1), a cross beam (2), clamping legs (3), a connecting part (5) and a clamping plate (7);

the clamping legs (3) comprise first clamping legs (31) and second clamping legs (32), and the first clamping legs (31) and the second clamping legs (32) are respectively arranged at two ends of the cross beam (2) and movably connected;

one ends, far away from the cross beam (2), of the first clamping leg (31) and the second clamping leg (32) are provided with clamping plates (7);

two ends of the connecting part (5) are respectively fixed with the first clamping leg (31) and the second clamping leg (32), and the clamping legs (3) and the cross beam (2) are arranged at intervals; the middle part of the connecting part (5) is foldable and is movably connected with the hanging ring (1).

2. The horizontal pipe piece lifting appliance according to claim 1, wherein the connecting part (5) is composed of a first connecting rod (51) and a second connecting rod (52), one end of the first connecting rod (51) and one end of the second connecting rod (52) are fixed with the lifting ring (1) through the movable shaft (6), the other end of the first connecting rod (51) is connected with the first clamping leg (31), and the other end of the second connecting rod (52) is fixed with the second clamping leg (32).

3. The horizontal lifting appliance of the pipe piece as claimed in claim 2, wherein the first connecting rod (51) comprises a fixed rod (512) and a rocker arm (511), one end of the fixed rod (512) is fixed with the first clamping leg (31), the other end of the fixed rod is fixed with one end of the rocker arm (511) through a movable shaft (6), and the other end of the rocker arm (511) is fixed with the lifting ring (1) through the movable shaft (6); the second link (52) has the same structure as the first link (51).

4. The horizontal lifting appliance of a pipe piece according to claim 1, wherein the cross beam (2) comprises a first cross beam and a second cross beam, the clamping leg (3) is arranged between the first cross beam and the second cross beam, and the clamping leg (3) is connected with the first cross beam and the second cross beam through a movable shaft (6).

5. The horizontal lifting appliance for pipe sheets according to claim 4, wherein a limit pin (4) is arranged in the middle of the cross beam (2), and the lifting ring (1) is fixed between the first cross beam and the second cross beam through the limit pin (4).

6. The horizontal lifting appliance for pipe sheets according to claim 1, wherein a plurality of reinforcing ribs (72) are arranged on the clamping plate (7), and the clamping plate (7) is welded and fixed with the clamping legs (3) through the reinforcing ribs (72).

7. The segment horizontal spreader according to claim 6, wherein the outer surface of the clamping plate (7) is a vertical surface or an arc surface.

8. A horizontal spreader according to claim 7, wherein the surface of the clamping plate (7) is provided with a rubber pad (71).

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