CN220033865U - Fixed pulley adjusting device and lifting device - Google Patents

Abstract

The utility model provides a fixed pulley adjusting device and hoisting equipment, wherein the device comprises a fixed plate and a fixed screw, a seamless steel pipe is arranged on the fixed plate, and a pulley block is arranged on the seamless steel pipe; wherein, the fixed plate is positioned on the upright post in the area to be constructed through the fixed screw rod; the pulley block is subjected to position adjustment on the seamless steel tube so as to assist in completing hoisting operation in the area to be constructed. Said utility model is simple in structure, low in construction space requirement, and applicable to small-range lifting action around upright column.

Description

Fixed pulley adjusting device and lifting device

Technical Field

The utility model relates to the technical field of construction, in particular to a fixed pulley adjusting device and hoisting equipment.

Background

In the industries of electric power, metallurgy, chemical industry, municipal stadium and the like, in professional construction such as equipment, steel structures and the like, hoisting and transporting in a local narrow range of a stand column area are more or less round, and particularly, the area position of the area structure is limited to a certain degree in the period of complete generation, operation and maintenance of the area structure, so that normal and effective hoisting operation cannot be performed (an automobile crane cannot enter or prop up a car and cannot shake manually).

At present, the hoisting operation in the area near the traditional upright post mainly comprises the following construction modes: 1. by a large crane with large lifting capacity or large turning radius; 2. opening holes on the top surface of the surrounding building to erect an electric hoist chain block; 3. temporary gantry supports, holding poles and the like are erected. It is known that the construction periods of the above modes are long, and it is difficult to quickly and accurately complete the small-range hoisting and transporting work within the limited construction period time, so that not only can great pressure be brought to the operation of field operators, but also the construction period and the construction quality can be affected, and the method is a technical problem to be solved in the present.

Disclosure of Invention

In view of the above problems, the utility model aims to provide a fixed pulley adjusting device and hoisting equipment, so as to solve the problems of long period, difficult construction, influence on construction period, quality and the like of the existing vertical rod area hoisting mode.

The utility model provides a fixed pulley adjusting device, which comprises a fixed plate and a fixed screw, wherein a seamless steel pipe is arranged on the fixed plate, and a pulley block is arranged on the seamless steel pipe; wherein, the fixed plate is positioned on the upright post in the area to be constructed through the fixed screw rod; the pulley block is subjected to position adjustment on the seamless steel tube so as to assist in completing hoisting operation in the area to be constructed.

In addition, the optional structural feature is that the fixed plate comprises a first steel plate and a second steel plate which are attached to the surface of the upright post and are arranged in parallel; fixing holes are formed in corresponding positions of the first steel plate and the second steel plate respectively, and fixing screws penetrate through the fixing holes and are screwed with the matched bolts so as to position the first steel plate and the second steel plate on the upright post.

Furthermore, an optional structural feature is that at least two fixing holes are provided on both sides of the first steel plate and the second steel plate, respectively.

In addition, the optional structural feature is that the seamless steel tube comprises an outer shaft sleeve and an inner shaft sleeve, wherein the outer shaft sleeve and the inner shaft sleeve are mutually sleeved; the inner sleeve is telescopically movable in the outer sleeve.

In addition, the optional structural feature is that a U-shaped slotted hole is arranged on the outer shaft sleeve; the inner shaft sleeve is provided with a positioning bolt which is limited in the U-shaped slotted hole and moves, the inner shaft sleeve rotates in the outer shaft sleeve, and the positioning bolt is used for locking the positions of the inner shaft sleeve and the outer shaft sleeve.

Furthermore, an optional structural feature is that the outer sleeve is welded to the first steel plate and/or the second steel plate; and reinforcing rib plates which are uniformly distributed are arranged between the outer side wall of the outer sleeve and the first steel plate and/or the second steel plate.

In addition, an optional structural feature is that the pulley block is welded and fixed at the end of the inner shaft sleeve far away from the upright post through a connecting plate.

Furthermore, an optional structural feature is that the first and second steel plates have a thickness in the range of 5mm-20mm.

Furthermore, an optional structural feature is that a non-slip mat is provided between the fixing plate and the upright.

On the other hand, still provide a lifting device, including above-mentioned fixed pulley adjusting device and hoist engine, chain block or the electric hoist of setting on fixed pulley adjusting device's assembly pulley.

Utilize above-mentioned fixed pulley adjusting device and lifting device, be provided with seamless steel pipe on the fixed plate, be provided with the assembly pulley on seamless steel pipe, wherein, the fixed plate passes through the fixing screw location on waiting to construct the stand in the district, then the assembly pulley can carry out position adjustment on seamless steel pipe, and then can assist other hoist device to accomplish the hoist and mount operation of waiting to construct in the district, device simple structure, it is convenient to dismantle, applicable in the hoist and mount transportation operation of stand regional local narrow and small within range.

Drawings

Other objects and attainments together with a more complete understanding of the utility model will become apparent and appreciated by referring to the following description taken in conjunction with the accompanying drawings. In the drawings:

fig. 1 is a front view of a fixed sheave adjustment apparatus according to an embodiment of the present utility model;

FIG. 2 is a side view of a fixed sheave adjustment apparatus according to an embodiment of the present utility model;

fig. 3 is a top view of a fixed sheave adjustment apparatus according to an embodiment of the present utility model.

The reference symbols in the drawings: the steel plate structure comprises a column 1, a first steel plate 21, a second steel plate 22, a fixing screw 3, an outer sleeve 4, an inner sleeve 7, reinforcing rib plates 8, a connecting plate 9, a positioning bolt 10 and a U-shaped slotted hole 11.

The same reference numerals will be used throughout the drawings to refer to similar or corresponding features or functions.

Detailed Description

In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that such embodiment(s) may be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form in order to facilitate describing one or more embodiments.

In the description of the present utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc. as indicated below, are based on the orientation or positional relationship shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the content or structure of the present utility model.

In order to solve the problems of long period, difficult construction and influence on construction period, quality and the like of the existing vertical rod area hoisting mode, the utility model provides the fixed pulley adjusting device and hoisting equipment.

In order to describe the structure of the fixed sheave adjusting apparatus and the hoisting device of the present utility model in detail, specific embodiments of the present utility model will be described in detail with reference to the accompanying drawings.

Fig. 1 to 3 show schematic structures of a fixed sheave adjusting apparatus according to an embodiment of the present utility model from different angles, respectively.

As shown in fig. 1 to 3 together, the fixed pulley adjusting device of the embodiment of the utility model comprises a fixed plate and a fixed screw 3, wherein a seamless steel pipe is arranged on the fixed plate, and a pulley block is arranged on the seamless steel pipe; the fixing plate is positioned on the upright post 1 in the region to be constructed through the fixing screw 3, and the pulley block can be used for adjusting the position on the seamless steel pipe, so that other hoisting tools are assisted to finish hoisting operation in the region to be constructed, and the device is convenient to assemble and disassemble and can be suitable for construction scenes with limited construction space.

Specifically, the fixing plate may further include a first steel plate 21 and a second steel plate 22 attached to the surface of the upright 1 and disposed parallel to each other, fixing holes are respectively provided at corresponding positions of the first steel plate 21 and the second steel plate 22, and the fixing screw 3 passes through the fixing holes and is screwed up in cooperation with the adapted bolts, so that the first steel plate 21 and the second steel plate 22 are positioned on the upright 1, that is, the first steel plate 21 and the second steel plate 22 are attached to two opposite side walls of the upright 1, and then locked by the fixing screw 3 and the bolts, thereby limiting the whole fixing plate and seamless steel pipes thereon on the upright 1, and realizing the function of temporary brackets by the upright 1 to assist in completing the lifting function.

It will be appreciated that, in order to ensure the positioning firmness of the fixing plates, a plurality of fixing holes may be respectively formed on both sides of the first steel plate 21 and the second steel plate 22, and examples of three fixing holes are shown in the drawings, and the size of the steel plates and the number of fixing holes may be flexibly set according to the hoisting requirements of the construction site, and are not limited to the specific structures shown in the drawings.

In a specific embodiment of the utility model, the seamless steel tube comprises an outer shaft sleeve 4 and an inner shaft sleeve 7 which are sleeved with each other, the inner shaft sleeve 7 can transversely stretch and retract in the outer shaft sleeve 4, the pulley block is welded and fixed at the end part of the inner shaft sleeve 7 far away from the upright post 1 through a connecting plate 9, the position of the pulley block can be adjusted in the stretching process of the inner shaft sleeve 7, the number of the specific inner shaft sleeves 7 can be adjusted according to the lifting weight, for example, when the lifting weight is smaller, two inner shaft sleeves 7 can be arranged, so that the stretching range can be enlarged, and the lifting operation in a larger area can be satisfied.

In addition, the inner sleeve 7 can further rotate in the outer sleeve 4, a U-shaped slot 11 can be specifically arranged on the outer sleeve 4, a positioning bolt 10 limited to move in the U-shaped slot 11 is arranged on the inner sleeve 7, the inner sleeve 7 rotates in the outer sleeve 4, the positioning bolt 10 is used for locking the positions of the inner sleeve 7 and the outer sleeve 4, the U-shaped slot 11 can occupy 1/4 of the size of the outer sleeve 4, at this time, the inner sleeve 7 can rotate by 90 degrees in the outer sleeve 4, and the specific rotation angle can be set by changing the size or shape of the slot hole.

The outer sleeve 4 may be welded to the first steel plate 21 and/or the second steel plate 22; and, be provided with evenly distributed's a plurality of deep floor 8 between the lateral wall of outer sleeve 4 and first steel sheet 21 and/or second steel sheet 22, specific setting position or number can be set up in a flexible way according to the position demand of job site, and is not limited to a set of seamless steel pipe structure in the drawings.

In order to ensure that the structural strength of the fixing plate can meet the hoisting requirement and prevent the fixing plate from damaging the upright 1, the first steel plate 21 and the second steel plate 22 can be steel plates with thickness ranging from 5mm to 20mm, the size of the steel plates can be cut according to the size of the upright 1, and anti-slip pads or plastic pads with certain elasticity can be arranged between the fixing plate and the upright 1, so that the positioning stability of the steel plates and the integrity of the outer surface of the upright 1 are ensured.

Corresponding to the fixed pulley adjusting device, the utility model also provides hoisting equipment which comprises the fixed pulley adjusting device, and a winch, a chain block, an electric hoist and the like which are arranged on a pulley block of the fixed pulley adjusting device.

According to the fixed pulley adjusting device and the lifting equipment, the seamless steel pipe is arranged on the fixed plate, the pulley block is arranged on the seamless steel pipe, the fixed plate is positioned on the upright post in the area to be constructed through the fixed screw, then the pulley block can be used for adjusting the position on the seamless steel pipe, and further other lifting devices can be assisted to finish lifting operation in the area to be constructed.

The fixed sheave adjustment apparatus and the hoisting device according to the utility model are described above by way of example with reference to the accompanying drawings. However, it will be appreciated by those skilled in the art that various modifications may be made to the fixed sheave adjustment apparatus and hoisting device set forth above without departing from the teachings of the present utility model. Accordingly, the scope of the utility model should be determined from the following claims.

Claims (10)

1. The fixed pulley adjusting device is characterized by comprising a fixed plate and a fixed screw, wherein a seamless steel pipe is arranged on the fixed plate, and a pulley block is arranged on the seamless steel pipe; wherein,

the fixing plate is positioned on the upright post in the area to be constructed through the fixing screw rod;

and the pulley block is used for carrying out position adjustment on the seamless steel pipe so as to assist in completing hoisting operation in the area to be constructed.

2. The fixed sheave adjustment apparatus of claim 1, wherein,

the fixing plate comprises a first steel plate and a second steel plate which are attached to the surface of the upright post and are arranged in parallel;

fixing holes are formed in corresponding positions of the first steel plate and the second steel plate respectively, and the fixing screw penetrates through the fixing holes and is screwed with a bolt which is matched with the fixing holes, so that the first steel plate and the second steel plate are positioned on the upright post.

3. The fixed sheave adjustment apparatus of claim 2, wherein,

at least two fixing holes are respectively formed in two sides of the first steel plate and the second steel plate.

4. The fixed sheave adjustment apparatus of claim 2, wherein,

the seamless steel tube comprises an outer shaft sleeve and an inner shaft sleeve, wherein the outer shaft sleeve and the inner shaft sleeve are mutually sleeved;

the inner shaft sleeve stretches and moves in the outer shaft sleeve.

5. The fixed sheave adjustment of claim 4, wherein the fixed sheave adjustment is fixed to the fixed sheave,

a U-shaped slotted hole is formed in the outer shaft sleeve;

the inner shaft sleeve is provided with a positioning bolt which is limited in the U-shaped slotted hole and moves, the inner shaft sleeve rotates in the outer shaft sleeve, and the positioning bolt is used for locking the positions of the inner shaft sleeve and the outer shaft sleeve.

6. The fixed sheave adjustment of claim 4, wherein the fixed sheave adjustment is fixed to the fixed sheave,

the outer sleeve is welded and fixed on the first steel plate and/or the second steel plate;

and reinforcing rib plates which are uniformly distributed are arranged between the outer side wall of the outer shaft sleeve and the first steel plate and/or the second steel plate.

7. The fixed sheave adjustment of claim 4, wherein the fixed sheave adjustment is fixed to the fixed sheave,

the pulley block is welded and fixed at the end part of the inner sleeve, which is far away from the upright post, through a connecting plate.

8. The fixed sheave adjustment apparatus of claim 2, wherein,

the thickness of the first steel plate and the second steel plate ranges from 5mm to 20mm.

9. The fixed sheave adjustment apparatus of claim 1, wherein,

and an anti-slip pad is arranged between the fixed plate and the upright post.

10. Hoisting device, characterized by comprising a fixed sheave adjustment device according to any of claims 1-9 and a hoisting machine, chain block or electric hoist arranged on the pulley block of the fixed sheave adjustment device.