CN221644377U - Internal supporting lifting sling for prefabricated groove plate of drainage ditch - Google Patents

Abstract

The utility model discloses an internal support lifting device for a prefabricated groove plate of a drainage ditch, comprising a lifting rope, a lifting rod and an internal support structure, wherein the two ends of the lifting rope are arranged on the lifting rod; the lifting rod has at least two mounting parts, each mounting part has a smooth section and a threaded section located on both sides of the smooth section; the internal support structure comprises an internal support unit and an anti-slip unit arranged on each mounting part, and the internal support unit comprises a pair of support members with ends passing through the smooth section, wherein one support member abuts against one groove wall of the prefabricated groove plate and the other support member abuts against another groove wall of the prefabricated groove plate. The utility model adopts an internal support, and there is no need to consider the outer working surface size of the prefabricated groove plate during lifting and installation, thereby reducing the construction difficulty and improving the construction efficiency; one of each pair of support members acts on one groove wall of the prefabricated groove plate, and the other acts on the other groove wall, and the friction between the support member and the prefabricated groove plate is used to achieve lifting, which is convenient for lifting and transportation.

Description

Internal support lifting device for drainage ditch prefabricated channel plate

Technical Field

The utility model relates to the field of drainage ditch construction, in particular to an inner support lifting device for a prefabricated groove plate of a drainage ditch.

Background Art

Prefabricated drainage ditch is a modern drainage system, which is assembled by prefabricated trough plates with U-shaped or trapezoidal cross-sections. After installation, only waterproof mortar is needed to point the joints. The construction is simple and fast, which shortens the construction period and reduces the construction cost. It also has the advantages of high strength, good appearance quality and can be put into use earlier. At present, prefabricated drainage ditch has been widely used in actual projects. At present, the common specifications of prefabricated trough plates of drainage ditch are length × width × height = 400mm × 300mm × 400mm, with a wall thickness of about 50mm and a weight of 50kg. At present, there is no special transportation tool for prefabricated trough plates on the construction site. In actual construction, manual transportation is often used to transport them to flatbed trucks. Two people are required to lift them during installation, which is labor-intensive and inefficient. On-site construction often makes it difficult to ensure the construction progress, takes a long time, and has low construction efficiency, which increases the project construction cost to a certain extent.

Summary of the invention

In view of this, the utility model proposes an internal support lifting hoist for a prefabricated trough plate of a drainage ditch, which is convenient for lifting, does not require manual handling and lifting, reduces labor intensity, and improves construction efficiency.

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

The utility model discloses an internal support lifting device for a prefabricated trough plate of a drainage ditch, comprising a lifting rope, a lifting rod and an internal support structure arranged on the lifting rod, wherein the lifting rope is arranged on the lifting rod; each end of the lifting rod has a smooth section and threaded sections on both sides of the smooth section, the internal support structure comprises an internal support unit arranged at the end of the lifting rod and anti-slip units arranged on both sides of each of the internal support units, the internal support unit is located in the smooth section, and the anti-slip unit is located in the threaded section and limits the internal support unit; the internal support unit comprises a pair of support members whose ends are passed through the smooth section, wherein one of the support members abuts against one trough wall of the prefabricated trough plate and the other support member abuts against the other trough wall of the prefabricated trough plate.

The beneficial effects are: one of the support members in each pair of the utility model acts on one groove wall of the prefabricated groove plate, and the other acts on the other groove wall of the prefabricated groove plate, and the friction between the support member and the prefabricated groove plate is used to achieve lifting, which is convenient for lifting and transportation; the support member is eccentrically installed, and the support member is two or more pairs, which effectively solves the adverse effects caused by eccentricity and improves lifting safety; the utility model is internal support lifting, and there is no need to consider the external working surface size of the prefabricated groove plate during lifting and installation, which reduces the construction difficulty and thus improves the construction efficiency.

Preferably, the support end surface of the support member is an inclined surface structure that matches the groove wall of the prefabricated groove plate. During actual lifting, since the support member is in an inclined state, in order to increase the contact area between the support member and the prefabricated groove plate, the support end of the support member is processed into an inclined surface structure to increase friction and improve safety.

Preferably, the lifting rod is an integrated structure or a split structure. The lifting rod can be an integrated structure, which can be made by directly using a shaft of a certain length and processing at least two pairs of spaced threaded sections on the shaft. Of course, the lifting rod can also be a split structure, and the lifting rod has at least two double-headed screws and a connecting sleeve connecting the at least two double-headed screws together, which is simple and convenient to install and can effectively ensure the load-bearing performance.

Preferably, the anti-slip unit comprises a gasket, an anti-slip pad and an anti-slip nut which are arranged in sequence, and the anti-slip unit enables the support member to be located in the optical axis section, ensuring that the support member can rotate relative to the lifting rod.

Preferably, the inner support unit further comprises a connecting spring connecting each pair of the support members together, and the connecting spring enables each pair of the support members to have a V-shaped structure, making lifting more convenient.

Preferably, the support member is a hot-dip galvanized steel pipe, and a rubber seal is inserted into the support end of the hot-dip galvanized steel pipe to effectively increase the friction between the support member and the groove wall.

Preferably, the lifting rope is a plasticized steel wire rope. Each end of the plasticized steel wire rope is bent and fixed by a steel wire rope lock to form a ring, and the steel wire rope can be connected to the lifting rod through the ring to facilitate lifting. In addition, during actual installation, a lifting ring can also be installed on the lifting part of the steel wire rope, and the hook can be directly passed through the lifting ring.

Compared with the prior art, one of the support members in each pair of the present invention acts on one groove wall of the prefabricated groove plate, and the other acts on the other groove wall of the prefabricated groove plate, and the friction between the support members and the prefabricated groove plate is used to achieve lifting, which is convenient for lifting and transportation; the support members are eccentrically installed, and the support members are two or more pairs, which effectively solves the adverse effects caused by eccentricity and improves the lifting safety; the present invention adopts internal support lifting, and there is no need to consider the external working surface size of the prefabricated groove plate during lifting and installation, which reduces the construction difficulty and thus improves the construction efficiency.

BRIEF DESCRIPTION OF THE DRAWINGS

Fig. 1 is a schematic structural diagram of the utility model.

FIG. 2 is a top view of FIG. 1 .

DETAILED DESCRIPTION

The following is a detailed description of an embodiment of the utility model in conjunction with the accompanying drawings. This embodiment is implemented on the premise of the technical solution of the utility model, and a detailed implementation method and a specific operation process are given, but the protection scope of the utility model is not limited to the following embodiment.

It should be noted that, in the description of the present utility model, relational terms such as "first" and "second" are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.

In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected" and "connection" that may appear should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

As can be seen from Figures 1-2, the internal support lifting device for the prefabricated groove plate of the drainage ditch described in the utility model comprises a lifting rope 1, a lifting rod 2 and an internal support structure arranged on the lifting rod 2. There are two lifting ropes 1, and both ends of each lifting rope 1 have rings for easy installation and lifting. Of course, the lifting rope 1 can also be one, and its two ends are arranged on the lifting rod 2, and the two ends of the lifting rope 1 are arranged on the lifting rod 2. In actual operation, lifting can be carried out with the help of lifting mechanical equipment;

Each end of the lifting rod 2 has a smooth section and threaded sections located on both sides of the smooth section. The inner support structure includes an inner support unit arranged at the end of the lifting rod 2 and anti-drop units arranged on both sides of each inner support unit. The inner support unit is located in the smooth section, and the anti-drop unit is located in the threaded section and limits the inner support unit.

The inner support unit includes a pair of support members (i.e., support steel pipes 3) rotatably arranged on the smooth section. The support steel pipes 3 are made of hot-dip galvanized steel pipes and are eccentrically installed. A mounting hole is provided at one end of the support steel pipe 3. The lifting rod 2 passes through the mounting hole, and the support steel pipe 3 is located in the optical axis section, thereby ensuring that each support steel pipe 3 can rotate around the lifting rod 2; the other end of the support steel pipe 3 is a support end, one of each pair of support steel pipes 3 is against one groove wall of the prefabricated groove plate 4, and the other support steel pipe 3 is against the other groove wall of the prefabricated groove plate 4, and the friction force is used to realize the lifting of the prefabricated groove plate 4, without the need for manual handling, reducing labor intensity, saving time and effort;

The supporting steel pipes 3 of the utility model are installed eccentrically and in two pairs, which effectively solves the adverse effects caused by eccentricity and improves the safety of lifting. In addition, the utility model adopts internal support lifting, and there is no need to consider the external working surface size of the prefabricated trough plate 4 during installation, which reduces the construction difficulty and thus improves the construction efficiency.

As can be seen from Figure 2, the lifting rod 2 adopts a split structure. The lifting rod 2 has two double-headed screws 2.1 and a connecting sleeve 2.2 that connects the two double-headed screws 2.1 together. The connecting sleeve 2.2 is an internal threaded sleeve. The double-headed screws 2.1 are threadedly connected to the connecting sleeve 2.2, which is simple and convenient to install.

Of course, in actual processing, the lifting rod 2 may also adopt an integrated structure, that is, directly adopt a long shaft with a certain length, and process two pairs of threaded sections on the long shaft.

2 , anti-drop units are provided on both sides of each pair of supporting steel pipes 3. The anti-drop units include a gasket 7.1, an anti-slip pad 7.2 and an anti-drop nut 7.3. The anti-drop nut 7.3 is screwed on the threaded section on one side of the smooth section. The anti-drop nut 7.3 can limit the position of each pair of supporting steel pipes 3 so that it is always located on the smooth section.

In other embodiments of the utility model, the internal support unit also includes a connecting spring 5 connecting each pair of supporting steel tubes 3 together, one end of the connecting spring 5 is fixed to one of the supporting steel tubes 3 and the other end is fixed to the other supporting steel tube 3, so that the two supporting steel tubes 3 are in a V-shaped structure, which is more convenient for lifting.

As shown in Figure 1, since the supporting steel pipe 3 is in an inclined state during lifting, the contact area between the supporting end of the supporting steel pipe 3 and the groove wall is small. To this end, the supporting end of the supporting steel pipe 3 is processed into an inclined surface in the utility model to increase the contact area between the supporting steel pipe 3 and the prefabricated groove plate 4, and increase the friction between the supporting steel pipe 3 and the groove wall.

In other embodiments of the present invention, in order to further increase the friction between the supporting steel pipe 3 and the groove wall, a rubber seal 6 is inserted into the supporting end of the supporting steel pipe 3 to increase the friction between the supporting member and the groove wall.

In actual installation, the lifting rope 1 is a plastic-coated steel wire rope. Each end of the plastic-coated steel wire rope is bent and fixed by a steel wire rope lock to form a loop, and the steel wire rope can be connected to the lifting rod 2 through the loop to facilitate lifting. In addition, a lifting ring can also be installed on the lifting part of the steel wire rope, and the hook can be directly passed through the lifting ring.

The manufacturing process of the utility model is as follows: cut hot-dip galvanized steel pipes of the same length, cut an inclined surface on one end of the hot-dip galvanized steel pipe, and insert a rubber cap into the inclined surface end of each hot-dip galvanized steel pipe; drill a hole at the other end of each hot-dip galvanized steel pipe to facilitate assembly; connect the two stud screws 2.1 together with a connecting sleeve 2.2, penetrate a pair of hot-dip galvanized steel pipes on each stud screw 2.1, and install gaskets 7.1, anti-skid pads 7.2 and anti-slip nuts 7.3 on both sides of the hot-dip galvanized steel pipe; of course, for the convenience of lifting, a connecting spring 5 can also be welded on each pair of hot-dip galvanized steel pipes; bend each end of the wire rope and fix it through a wire rope lock to form a ring, and the wire rope can be connected to the lifting rod 2 through the ring to facilitate lifting.

The lifting process of the utility model is as follows: place the prefabricated slot plate 4 forward (i.e., the slot is upward), press each pair of inner support units at the bottom upward position of the prefabricated slot plate 4, so that two of the support steel pipes 3 are against one of the slot walls of the prefabricated slot plate 4, and the other two support steel pipes 3 are against the other slot wall of the prefabricated slot plate 4; hang the wire rope on the hook of the lever car, press the handle of the lever car downward to lift the prefabricated slot plate 4, and use the lever car to transport the prefabricated slot plate 4 from the centralized placement point to the edge of the ditch; adjust the direction of the prefabricated slot plate 4 after it is in place, and slowly place it downward to the installation position; when the prefabricated slot plate 4 is placed in place, loosen the lifting rope 1, take the utility model out of the prefabricated slot plate 4, complete the transportation and installation of the prefabricated slot plate 4, and no manual lifting is required, which reduces the labor intensity. In addition, the utility model can appropriately twist and adjust the angle of the prefabricated slot plate 4, thereby achieving precise placement.

Finally, it should be emphasized that the above is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions recorded in the aforementioned embodiments without creative work, or replace some of the technical features therein with equivalents. Therefore, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims (8)

1. An interior support lifting sling for a prefabricated frid of escape canal, includes lifting rope, its characterized in that: also comprises a lifting rod and an inner supporting structure arranged on the lifting rod, the lifting rope is arranged on the lifting rod; each end part of the lifting rod is provided with a smooth section and thread sections positioned at two sides of the smooth section, the inner supporting structure comprises inner supporting units arranged at the end part of the lifting rod and anti-falling units arranged at two sides of each inner supporting unit, the inner supporting units are positioned at the smooth sections, and the anti-falling units are positioned at the thread sections and limit the inner supporting units; the inner support unit comprises a pair of support pieces with ends penetrating through the smooth sections, wherein one support piece is propped against one groove wall of the prefabricated groove plate, and the other support piece is propped against the other groove wall of the prefabricated groove plate.

2. The internal support lifting sling for a prefabricated gutter plate according to claim 1, characterized in that: the supporting end face of the supporting piece is of an inclined surface structure matched with the groove wall of the prefabricated groove plate.

3. The internal support lifting sling for a prefabricated gutter plate according to claim 1, characterized in that: the lifting rod is of an integrated structure or a split structure.

4. An internal support lifting sling for a prefabricated gutter plate according to claim 3, wherein: the boom is of a split construction having at least two double-ended screws and a connecting sleeve connecting the at least two double-ended screws together.

5. The internal support lifting sling for a prefabricated gutter plate according to claim 1, characterized in that: the anti-drop unit comprises a gasket, an anti-slip pad and an anti-drop nut which are sequentially arranged.

6. The internal support lifting sling for a prefabricated gutter plate according to claim 1, characterized in that: the inner support unit further includes a connection spring connecting each pair of the support members together, the connection spring making each pair of the support members in a V-shaped structure.

7. The internal support lifting sling for a prefabricated gutter plate according to claim 1, characterized in that: the support piece is a hot dip galvanized steel pipe, and a rubber seal head is inserted into the support end of the hot dip galvanized steel pipe.

8. The internal support lifting sling for a prefabricated gutter plate according to claim 1, characterized in that: the lifting rope is a plastic steel wire rope.