CN203319500U - Reinforcing cage abutting-joint adjusting device - Google Patents

Abstract

The utility model discloses a steel cage butt joint adjustment device, which belongs to the field of steel cage lifting devices. It includes a first pulley, a hook, a second pulley, and a pulley fixing device. The pulley fixing device is sequentially provided with a sloping plate, a first vertical plate, a connecting plate, and a second vertical plate from top to bottom; There are two slant plates, and the two slant plates form an inverted V-shaped structure; the angle between the two slant plates is 45-60°; there are two first vertical plates; the The second vertical plate has two and is arranged in parallel; The first vertical plate and the second vertical plate are perpendicular to each other; The first pulley is located directly above the second pulley; The first pulley steel wire It is in the shape of a cross with the second pulley steel wire. The utility model can shorten the time required for the butt joint of two steel bar cages, and at the same time ensure that the butt joint of each steel bar cage is in good condition and meets the standard requirements. It has the advantages of simple structure, convenient use and the like.

Description

A butt joint adjustment device for reinforcement cages

technical field

The invention belongs to the field of steel cage lifting devices, and more specifically relates to a steel cage butt joint adjustment device.

Background technique

At present, because some engineering piles are too long to complete the steel cage hoisting of the whole pile by one hoisting, segmental hoisting is adopted. Welding or other fastening methods are generally used for the connection between the two sections of steel cages in segmental hoisting, but the time spent on the connection by welding is too long, which may easily cause collapsed holes and broken piles, which will affect the quality of the project and cause major safety hazards , so a mechanical connection should be used. However, the mechanical connection needs to be matched with a steel cage lifting device. For example, the Chinese patent number is 201120172116.5, and the disclosure date is February 22, 2012. The disclosed patent document of a steel cage lifting device provides a simple structure, easy to use It is convenient to hoist the steel cage as a whole, and has good stability during the hoisting process, and it is convenient to install the steel cage hoisting device into the pile hole. It includes a balance beam. The balance beam is set in the middle of the upper part of the reinforcement cage, and its direction is parallel to the direction of the axis of the reinforcement cage. Two sets of fixed steel wire ropes are arranged symmetrically on both ends of the lower surface of the balance beam, and the two ends of each set of fixed steel wire ropes are respectively It is symmetrically fixed on both sides of the axial two ends of the reinforcement cage, and a pulley is also arranged directly above the middle of the balance beam, and a movable wire rope passes through the pulley, and the two ends of the movable wire rope are symmetrically fixed on the upper surface of the balance beam. The invention is simple in structure, easy to use, capable of hoisting the reinforcement cage as a whole, and has good stability during the hoisting process, and can conveniently hoist the reinforcement cage into the pile hole.

As another example, the Chinese patent number is 201220066562.2, and the publication date is November 7, 2012. It discloses a patent document for a sling structure for lifting a steel cage. The invention relates to a sling structure for lifting a steel cage, including The main hook, the pole beam, and the sling, and a pulley is set at both ends of the pole beam, and a sling is wound around each pulley, and the two ends of the sling are fastened to the upper and lower ends of the steel cage by fasteners to form two lifting points. ; The upper end of the pole beam is provided with a V-shaped hook. The invention can use a crane to hoist the reinforcement cage into the pile hole, so that the reinforcement cage does not deform after hoisting, and has a simple structure and is easy to realize.

However, the reinforcement cage lifting device disclosed in the above two documents has the problem that it is difficult to control the parallelism of the end faces of the two reinforcement cages to ensure that each reinforcement cage is completely connected to each other during the lifting operation of the reinforcement cage, and the reinforcement cage will swing during lifting, which is not easy Adjustment and hoisting require the cooperation of multiple workers, which is time-consuming and labor-intensive, and the installation cost is high.

Contents of the invention

1. Problems to be solved

Aiming at the problem that it is difficult to control the end faces of the two steel cages to be parallel to ensure the complete docking of each steel bar during the hoisting operation of the existing steel cage, the present invention provides a butt joint adjustment device for the steel cage, which is a device that can shorten the butt joint of the two steel cages. It takes less time, and it is easier to control the end faces of the two steel cages to be parallel to ensure that each steel bar is completely docked with the steel cage docking adjustment device.

2. Technical solution

The technical scheme that the present invention adopts is as follows:

A steel cage docking adjustment device, including a first pulley, a hook, and a second pulley, a pulley fixing device, the hook is arranged on the top of the pulley fixing device, and the pulley fixing device is sequentially arranged from top to bottom A slant plate, a first vertical plate, a connecting plate, and a second vertical plate; there are two slant plates, and the two slant plates form an inverted V-shaped structure; the angle between the two slant plates is 45° -60°; there are two first vertical plates, the two first vertical plates are arranged in parallel, the upper end is connected with the two inclined plates, and the lower end is vertically connected with the connecting plate; the first vertical plate of the There is a through hole in the middle; the first pulley is fixed between the two through holes through a shaft; the second vertical plate is a V-shaped plate; there are two second vertical plates arranged in parallel, Its upper end is vertically connected with the connecting plate; the bottom end of the second vertical plate is provided with a through hole; the second pulley is fixed between the two second vertical plates through a shaft; the first vertical plate The plate and the second vertical plate are perpendicular to each other; the first pulley is located directly above the second pulley; the first pulley wire is wound on the first pulley; the second pulley is wound on the second pulley Steel wire; the first pulley steel wire and the second pulley steel wire are in a cross shape.

Further, the diameter ratio of the first pulley to the second pulley is 4:3.

Further, the connection between the first pulley and the second pulley and the corresponding pulley shaft is through sliding bearings.

Further, the groove size of the inner circular surface of the first pulley is determined according to the radius R of the steel wire of the first pulley, and the vertical distance from any point B on the groove curve of the inner circular surface of the first pulley, B to the bottom of the groove is set is Y, the distance from B to the radial centerline of the groove is X, and the relationship between X and Y is

Furthermore, the cross-sectional shape of the middle part of the hook is a gourd-shaped structure, and the gourd-shaped structure is formed by the intersection of a large circle and a small circle, and a transitional arc is connected between the large circle and the small circle. inside of the hook.

3. Beneficial effects

Compared with the prior art, the beneficial effects of the present invention are:

(1) The steel cage docking adjustment device of the present invention includes a first pulley, a second pulley, and a pulley fixing device. The pulley fixing device is sequentially provided with a slant plate, a first vertical plate, a connecting plate, and a second vertical plate from top to bottom. , the first pulley is located directly above the second pulley; the first pulley wire is wound on the first pulley; the second pulley wire is wound on the second pulley; the first pulley wire and the second pulley wire are in a cross shape, which can be shortened The time required for the butt joint of the two steel cages can also ensure that the butt joint of each steel cage is in good condition to meet the specification requirements. Only a steel cage docking adjustment device needs to be added between the steel cage and the hook, and the structure is simple;

(2) The diameter ratio of the first pulley and the second pulley of the steel cage docking adjustment device of the present invention is 4:3, which enhances the stability during the docking process;

从而可以最大程度减少钢丝绳与滑轮间的摩擦力；(3) The size of the groove on the inner surface of the first pulley of the butt joint adjusting device of the steel cage of the present invention is determined according to the radius R of the steel wire of the first pulley, and any point B on the groove curve of the inner surface of the first pulley is set, B to The vertical distance from the bottom of the groove is Y, the distance from B to the radial centerline of the groove is X, and the relationship between X and Y is

Thereby, the friction force between the wire rope and the pulley can be minimized;

(4) The connection between the first pulley and the second pulley of the steel cage docking adjustment device of the present invention and the corresponding pulley shafts are all connected by sliding bearings, which is convenient for disassembly and installation;

(5) The section shape of the middle part of the hook of the reinforcing cage docking adjustment device of the present invention is a gourd-shaped structure, which can enhance the stability between the hook and the lifting hook.

Description of drawings

Fig. 1 is a schematic diagram of the front elevation structure of the present invention;

Fig. 2 is a side elevation structural representation of the present invention;

Fig. 3 is a schematic diagram of the groove structure of the first pulley.

In the figure: 1, hanging rope; 2, the first pulley; 3, the second pulley; 4, the first pulley steel wire; 5, the second pulley steel wire; 6, inclined plate; 7, the first vertical plate; 8, connection plate; 9, the second vertical plate.

Detailed ways

In order to facilitate the understanding of those skilled in the art, the invention will be further described below in conjunction with the accompanying drawings.

Example 1

As shown in Figure 1, Figure 2 and Figure 3, a steel cage docking adjustment device includes a first pulley 2, a hook, a second pulley 3, a pulley fixing device, the hook is located on the top of the pulley fixing device, and the pulley is fixed. The device is sequentially provided with a slant plate 6, a first vertical plate 7, a connecting plate 8, and a second vertical plate 9 from top to bottom; there are two slant plates 6, and the two slant plates 6 form an inverted V-shaped structure; The included angle between the plates 6 can be 45-60°, all within this range, the inclined plate 6 is the safest, if the angle is too large, the weight of the hoisted reinforcement cage is too large, then the angle between the two inclined plates 6 The connection is easy to be torn apart, resulting in the scrapping of the entire device; if the angle is too small, the length of the slant plate 6 needs to be lengthened, resulting in a waste of resources. In this embodiment, 45° is preferably selected, which saves the most material; the first vertical There are two plates 7, two first vertical plates 7 are arranged in parallel, its upper end is connected with two inclined plates 6, and its lower end is vertically connected with connecting plate 8; the middle part of the first vertical plate 7 has a through hole; the first pulley 2 is fixed between the two through holes through a shaft; the second vertical plate 9 is a V-shaped plate; there are two second vertical plates 9 arranged in parallel, and their upper ends are vertically connected with the connecting plate 8; the second vertical plate 9 The bottom end is provided with a through hole; the second pulley 3 is fixed between two second vertical plates 9 through a shaft; the first vertical plate 7 and the second vertical plate 9 are perpendicular to each other; the first pulley 2 is located at the second pulley 3; the first pulley 2 is wound with a first pulley steel wire 4; the second pulley 3 is wound with a second pulley steel wire 5; the first pulley steel wire 4 and the second pulley steel wire 5 are in a cross shape.

The diameter ratio of the first pulley 2 to the second pulley 3 is 4:3. Each of the first pulley 2 and the second pulley 3 is connected to the corresponding pulley shaft through sliding bearings, and the radius R of the first pulley steel wire 4 is 3.4 mm. The cross-sectional shape of the middle part of the hook is a gourd-shaped structure, and the gourd-shaped structure is formed by intersecting a large circle and a small circle. The middle of the large circle and the small circle is connected by a transitional arc, and the large circle is on the inside of the hook.

Before the reinforcement cage is hoisted, the hook is hung on the sling 1, the two ends of the first pulley wire 4 are respectively connected to both sides of the reinforcement cage, and the two ends of the second pulley wire 5 are respectively connected to the other two sides of the reinforcement cage. After the reinforcement cage is hoisted and before docking Use two long enough steel pipes to insert between the two stirrups, pass through the center of the steel cage and ensure that the two steel pipes are vertical, so that the ends of the two steel cages can be adjusted parallel to each other.

Example 2

Same as embodiment 1, the difference is that the angle between the two inclined plates 6 is 50°, and the radius R of the first pulley steel wire 4 is 4 mm.

Example 3

Same as embodiment 1, the difference is that the angle between the two inclined plates 6 is 60°.

The above content is only an example and description of the structure of the present invention. Those skilled in the art make various modifications or supplements to the described specific embodiments or replace them in similar ways, as long as they do not deviate from the concept of the invention or Anything beyond the scope defined in the claims shall belong to the protection scope of the present invention.

Claims (5)

1. a steel reinforcement cage docks setting device, comprise the first pulley (2), hook, it is characterized in that: also comprise the second pulley (3), pulley fixing device, described hook is located at the top of pulley fixing device, and described pulley fixing device from top to bottom is provided with swash plate (6), the first vertical plate (7), connecting panel (8), the second vertical plate (9) successively; Described swash plate (6) has two, and two swash plates (6) form the inverted V-shaped structure; Angle between described two swash plates (6) is 45-60 °; Described the first vertical plate (7) has two, and two first vertical plates (7) be arranged in parallel, and its upper end is connected with two swash plates (6), its lower end and vertical connection of connecting panel (8); The middle part of described the first vertical plate (7) has through hole; Described the first pulley (2) is fixed between two through hole by axle; Described the second vertical plate (9) is V shaped slab; Described the second vertical plate (9) has two and be arranged in parallel, its upper end and vertical connection of connecting panel (8); The bottom of described the second vertical plate (9) is provided with through hole; Described the second pulley (3) is fixed between two second vertical plates (9) by axle; Described the first vertical plate (7) is orthogonal with the second vertical plate (9); Described the first pulley (2) be positioned at the second pulley (3) directly over; Be wound with the first pulley wire (4) on described the first pulley (2); Be wound with the second pulley wire (5) on described the second pulley (3); Described the first pulley wire (4) is cross-shaped with the second pulley wire (5).

2. steel reinforcement cage according to claim 1 docks setting device, it is characterized in that: described the first pulley (2) is 4:3 with the diameter ratio of the second pulley (3).

3. steel reinforcement cage according to claim 1 docks setting device, and it is characterized in that: described the first pulley (2), the second pulley (3) are all to connect by plain bearing with being connected of corresponding sheave shaft separately.

4. steel reinforcement cage according to claim 1 docks setting device, it is characterized in that: the groove size of described the first pulley (2) inner headed face is determined according to the radius R of the first pulley wire (4), set any point B on the groove curve of the first pulley (2) inner headed face, B is Y to the vertical distance of bottom portion of groove, B is X to the distance of groove radial centre lines, and the pass of described X and Y is $Y=2.5\mathrm{RX}+\frac{X^2}{6}.$

5. steel reinforcement cage according to claim 1 docks setting device, it is characterized in that: the section form of described hook middle part is the Pear-Shaped structure, described Pear-Shaped structure is intersected and is formed by a great circle and a roundlet, the centre of great circle and roundlet is established transition arc and is connected, and described great circle is in the inboard of hook.

Images