CN220245369U

CN220245369U - Combined lifting device

Info

Publication number: CN220245369U
Application number: CN202321968310.3U
Authority: CN
Inventors: 王振东; 张华龙; 郭述志; 黄明; 王炳舜; 连永亮; 孟路; 何鹏俊; 曹友泽; 胡强; 刘典易
Original assignee: National Nuclear Demonstration Power Plant Co ltd
Current assignee: National Nuclear Demonstration Power Plant Co ltd
Priority date: 2023-07-25
Filing date: 2023-07-25
Publication date: 2023-12-26
Anticipated expiration: 2033-07-25

Abstract

The utility model discloses a combined lifting device which comprises a bearing beam, a lifting motor and a supporting mechanism. The lifting motor is arranged on the bearing beam and is used for lifting cargoes; the supporting mechanism is detachably and fixedly connected to the bearing beam; the supporting component comprises a connecting beam, a forearm beam and supporting legs, one end of the connecting beam is connected to the bearing beam, the other end of the connecting beam is adjustably and fixedly connected with the forearm beam, the forearm beam can move relative to the connecting beam, and the supporting legs are used for supporting the bearing beam. When the lifting is needed, the supporting mechanism is quickly and fixedly connected with the bearing beam to carry out lifting operation, and when the lifting task is completed, the supporting mechanism can be conveniently placed and transported with the bearing Liang Cali; when the space along the second horizontal direction is limited, the distance between the two supporting legs along the second horizontal direction can be shortened by adjusting the position of the forearm beam so as to meet the space requirement of lifting, so that the combined lifting device is higher in universality.

Description

Combined lifting device

Technical Field

The utility model relates to the technical field of lifting equipment, in particular to a combined lifting device.

Background

At present, when mechanical equipment such as a steam seal heater, a high-pressure heater, an auxiliary electric boiler, a main water supply regulating valve and the like of a power plant are disassembled and overhauled, lifting operation is needed. The on-site hoisting operation has the characteristics of high frequency, complex environment and high risk. The cargo lifting mode adopted by the current power plant mostly temporarily establishes a lifting point or uses a fixed lifting point preset at a high place to complete the lifting task. The lifting efficiency of the lifting mode is low, the lifting place is fixed, and the universality is poor.

Disclosure of Invention

The utility model aims at: the combined type lifting device is used for solving the problems of low lifting efficiency, fixed lifting place and poor universality of a lifting mode of lifting goods in the conventional power plant.

To achieve the purpose, the utility model adopts the following technical scheme:

a modular lifting device, comprising:

the lifting motor is arranged on the bearing beam and is used for lifting cargoes;

the support mechanism is detachably and fixedly connected to the bearing beam, at least one group of support mechanisms is configured, the support mechanism comprises two groups of support assemblies, the two groups of support assemblies are symmetrically distributed on two sides of the bearing beam along a second horizontal direction, and the second horizontal direction is perpendicular to the first horizontal direction;

the support assembly comprises a connecting beam, a forearm beam and supporting legs, one end of the connecting beam is connected to the bearing beam, the other end of the connecting beam is fixedly connected with the forearm beam in an adjustable mode, the forearm beam can move relative to the connecting beam along the second horizontal direction, after the forearm beam moves in place, a first fastener is used for fixedly connecting the forearm beam with the connecting beam, one end of each supporting leg is fixedly connected to one end of the forearm beam away from the bearing beam, the other end of each supporting leg extends downwards vertically, and the supporting legs are used for supporting the bearing beam.

As a preferable scheme of the combined type lifting device, the two groups of supporting mechanisms are configured, the two groups of supporting mechanisms are respectively arranged at two ends of the bearing beam along the first horizontal direction, and the lifting motor is arranged between the two groups of supporting mechanisms.

As a preferable scheme of the combined type lifting device, two groups of supporting mechanisms are configured, wherein one group of supporting mechanisms is arranged at one end of the bearing beam along the first horizontal direction, the lifting motor is arranged at the other end of the bearing beam along the first horizontal direction, and the other group of supporting mechanisms is arranged between one group of supporting mechanisms and the bearing beam.

As a preferred scheme of the combined type lifting device, the supporting mechanism is configured with a group, the supporting mechanism is arranged at one end of the bearing beam along the first horizontal direction, the bearing beam is provided with a lifting hole at the other end of the bearing beam along the first horizontal direction, and the lifting piece is fixedly connected with the other end of the bearing beam at a fixed lifting point through the lifting hole.

As a preferred scheme of combination formula hoisting accessory, supporting component still includes driving motor, drive gear, driven gear and link, driving motor fixed mounting in the carrier bar, drive gear fixed mounting in driving motor's output, driven gear with link fixed connection, driven gear with drive gear intermeshing, link fixed connection in the link, the link pass through the pivot with the carrier bar rotates to be connected, drive gear's axis direction the axis direction of driven gear and the axis direction of pivot all is on a parallel with vertical direction.

As a preferred solution of the combined lifting device, the supporting leg is a lifting supporting leg, and the lifting supporting leg can be lifted or lowered along the vertical direction.

As a preferred scheme of combined type hoisting accessory, the supporting component still includes the moving structure, the moving structure includes wheel and wheel mount, the wheel with the wheel mount rotates to be connected, the wheel mount still fixed connection in the supporting leg.

As a preferred embodiment of the combined hoisting device, the moving structure further comprises a locking member for locking the wheel.

As a preferred scheme of combination formula hoisting accessory, the supporting component still includes the bracing piece, the one end fixed connection of bracing piece in the supporting leg, the other end fixed connection in the forearm roof beam, the bracing piece with the supporting leg and the bracing piece with the forearm roof beam all is the contained angle setting.

As a preferred solution of the combined hoisting device, along the first horizontal direction, the hoisting motor can slide relative to the load beam, and after the hoisting motor slides in place, the second fastener fixedly connects the hoisting motor to the load beam.

The beneficial effects of the utility model are as follows:

the utility model provides a combined lifting device which comprises a bearing beam, a lifting motor and a supporting mechanism. The lifting motor is arranged on the bearing beam and is used for lifting cargoes; the supporting mechanism is detachably and fixedly connected to the bearing beam, the supporting mechanism is at least provided with a group, the supporting mechanism comprises two pairs of supporting components, the two pairs of supporting components are symmetrically distributed on two sides of the bearing beam, each supporting component comprises a connecting beam, a forearm beam and supporting legs, one end of each connecting beam is connected to the bearing beam, the other end of each connecting beam is adjustably and fixedly connected with the forearm beam, the forearm beam can move relative to the connecting beam, after the forearm beam moves in place, the forearm beam is fixedly connected with the connecting beam through a first fastener, one end of each supporting leg is fixedly connected to the forearm beam, and each supporting leg is used for supporting the bearing beam. When the lifting operation is needed, the supporting mechanism is quickly and fixedly connected with the bearing beam to carry out the lifting operation, and when the lifting operation is finished, the supporting mechanism and the bearing Liang Cali can be conveniently accommodated and transported; when the space of the combined lifting device along the second horizontal direction is limited, the distance between the two supporting legs along the second horizontal direction can be shortened by adjusting the position of the forearm beam so as to meet the space requirement of lifting. The combined lifting device has high lifting efficiency, can change lifting places at will and has higher universality.

Drawings

Fig. 1 is a schematic structural diagram of a combined hoisting device according to a first embodiment of the present utility model;

FIG. 2 is an enlarged view at A in FIG. 1;

fig. 3 is a schematic structural diagram of a combined hoisting device according to a second embodiment of the present utility model;

fig. 4 is a schematic structural diagram of a combined hoisting device according to a third embodiment of the present utility model.

In the figure:

1. a load beam; 11. a hanging hole;

2. lifting a motor;

31. a support assembly; 311. a connecting beam; 312. a forearm beam; 313. support legs; 314. a driving motor; 315. a drive gear; 316. a driven gear; 317. a connecting frame; 318. a moving structure; 3181. a wheel; 3182. a wheel fixing frame; 319. and (5) supporting the rod.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus 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 utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Embodiment one:

as shown in fig. 1 to 2, a first embodiment of the present utility model provides a combined lifting device, which includes a load beam 1, a lifting motor 2, and a supporting mechanism. Specifically, the carrier beam 1 extends along the first horizontal direction, the carrier beam 1 is an i-shaped beam, a plurality of through holes are formed in the carrier beam 1 and are distributed at intervals along the first horizontal direction, the through holes can be used for being connected with fixed hanging points, the carrier beam 1 is further fixed, the effect of reducing the self weight of the carrier beam 1 can be achieved, the lifting motor 2 is mounted on the carrier beam 1, the lifting motor 2 is used for lifting heavy objects, and the lifting motor 2 is common lifting equipment, so that excessive description is omitted.

Specifically, the supporting mechanisms are configured with two groups, the two groups of supporting mechanisms are respectively arranged at two ends of the bearing beam 1 along the first horizontal direction, the lifting motor 2 is arranged between the two groups of supporting mechanisms, and the supporting mechanisms are detachably and fixedly connected to the bearing beam 1. More specifically, each set of supporting mechanism includes two sets of supporting components 31, and the two sets of supporting components 31 are symmetrically distributed on two sides of the carrier beam 1 along the second horizontal direction, and the second horizontal direction is perpendicular to the first horizontal direction. In detail, when the lifting operation is needed, the supporting mechanism is quickly and fixedly connected with the bearing beam 1, lifting operation is carried out, and when the lifting operation is finished, the supporting mechanism can be detached from the bearing beam 1, so that the bearing beam is convenient to store and transport. It should be further noted that, because two sets of supporting mechanisms are disposed in the present embodiment and are disposed at two ends of the carrier beam 1, the lifting manner is mainly applicable to an environment with abundant field space, and has the advantages that: the weight of the hoisted goods is large, the transportation is convenient, and the hoisting efficiency is high.

Illustratively, in the present embodiment, the longitudinal direction of the load beam 1 is taken as a first horizontal direction, and the width direction of the load beam 1 is taken as a second horizontal direction.

Specifically, each pair of support assemblies 31 includes a connection beam 311, a forearm beam 312, and a support leg 313, one end of the connection beam 311 is connected to the carrier beam 1, the other end is adjustably and fixedly connected to the forearm beam 312, the forearm beam 312 is movable relative to the connection beam 311 along the second horizontal direction, after the forearm beam 312 is moved in place, the first fastener fixedly connects the forearm beam 312 to the connection beam 311, one end of the support leg 313 is fixedly connected to one end of the forearm beam 312 remote from the carrier beam 1, the other end of the support leg 313 extends vertically downward, and the support leg 313 is used for supporting the carrier beam 1. So set up, when this combination formula elevating gear is along the space limited of second horizontal direction, can be through adjusting the position of forearm roof beam 312, and then shorten the distance between two supporting legs 313 along the second horizontal direction to satisfy the space requirement of lifting by crane.

Preferably, the supporting assembly 31 further comprises a driving motor 314, a driving gear 315, a driven gear 316 and a connecting frame 317, wherein the driving motor 314 is fixedly installed on the carrier beam 1, the driving gear 315 is fixedly installed at the output end of the driving motor 314, the driven gear 316 is fixedly connected with the connecting frame 317, the driven gear 316 is meshed with the driving gear 315, the connecting frame 317 is fixedly connected with the connecting beam 311, the connecting beam 311 is rotationally connected with the carrier beam 1 through a rotating shaft, and the axial direction of the driving gear 315, the axial direction of the driven gear 316 and the axial direction of the rotating shaft are all parallel to the vertical direction. So set up, through adjusting forearm roof beam 312, if still unable meeting the space requirement, can further shorten the distance between two supporting legs 313 of this combination formula hoisting accessory along the second horizontal direction through rotating tie-beam 311. In detail, the process of controlling the rotation of the connection beam 311 is as follows: the driving motor 314 is controlled to rotate, the driven gear 316 is driven to rotate by the meshing relationship of the gears, and the driven gear 316 is fixedly connected with the connecting frame 317, and the connecting frame 317 and the connecting beam 311, so that the connecting beam 311 is finally driven to rotate around the rotating shaft. In more detail, in the present embodiment, four driving motors 314 are configured to match the four sets of support assemblies 31 and are used for driving the four connection beams 311 in the four sets of support assemblies 31 to rotate, and further, the four driving motors 314 are all independently controlled, so that the combined hoisting device has rich variation modes to adapt to the requirements of different space environments, and more specifically, the theoretical rotation angle ranges of the four connection beams 311 are all 0 ° -90 °.

Preferably, the support legs 313 are lifting support legs 313, and the lifting support legs 313 can be lifted or lowered in the vertical direction. By means of the arrangement, when the ground is uneven, the height of the lifting support legs 313 can be adjusted, the bearing beam 1 is further leveled, and the combined lifting device is guaranteed to stably lift cargoes. Optionally, the lifting support leg 313 is a handle-type telescopic leg, and the specific structure of the handle-type telescopic leg is prior art, and thus, will not be described in detail. Further alternatively, the lifting support leg 313 may be an electric lifting leg, and likewise, the specific structure of the electric lifting leg is the prior art and will not be described in detail. Alternatively, the support legs 313 are fixed support legs, i.e. not height adjustable.

Preferably, the support assembly 31 further comprises a moving structure 318, the moving structure 318 comprises a wheel 3181 and a wheel holder 3182, the wheel 3181 is rotatably connected to the wheel holder 3182, and the wheel holder 3182 is fixedly connected to the support legs 313. By arranging the moving structure 318, the combined lifting device can be moved to a proper lifting position more conveniently for lifting operation. Further, the moving structure 318 further includes a locking member for locking the wheel 3181. When the combined lifting device moves in place, the wheel 3181 is locked through the locking piece, so that the wheel 3181 is prevented from being moved by external force during lifting, and the safety of lifting operation is further ensured.

Preferably, the support assembly 31 further includes a support bar 319, one end of the support bar 319 is fixedly connected to the support leg 313, the other end is fixedly connected to the forearm beam 312, and the support bar 319 is disposed at an angle to the support leg 313 and the support bar 319 is disposed at an angle to the forearm beam 312. In detail, the supporting bar 319 forms a triangular supporting structure with the forearm beam 312 and the supporting leg 313, so that the modular lifting apparatus has a higher structural stability. Further, the support bar 319 is a hydraulic support bar. Further, when the support leg 313 is a lifting support leg, the hydraulic support rod is a telescopic hydraulic support rod to match the heights of different lifting support legs.

Preferably, in the first horizontal direction, the hoisting motor 2 is capable of sliding relative to the load beam 1, and after the hoisting motor 2 slides in place, the second fastener fixedly connects the hoisting motor 2 to the load beam 1. Through setting up lifting motor 2 and carrier beam 1 to adjustable fixed connection, can be in the lifting position of more accurate regulation lifting motor 2 of first horizontal direction.

Embodiment two:

in order to prevent redundancy, only the distinguishing features from the first embodiment are described in the present embodiment. As shown in fig. 3, in the present embodiment, two sets of support mechanisms are provided, one of which is provided at one end of the load beam 1 in the first horizontal direction, and the hoisting motor 2 is provided at the other end of the load beam 1 in the first horizontal direction, and the other of which is provided between one of the support mechanisms and the load beam 1. The arrangement mode is mainly applied to the situation that the combined lifting device is blocked with the goods to be lifted or the goods are lifted near the edges.

Further, when the weight of the lifted cargo is too large, a balancing weight is optionally arranged at one end of the carrier beam 1, which is close to the two groups of supporting mechanisms, so that the safety of the combined lifting device is ensured, and the cargo can be lifted stably.

Embodiment III:

in order to prevent redundancy, only the distinguishing features from the first embodiment are described in the present embodiment. As shown in fig. 4, in the present embodiment, the support mechanism is configured with a set of support mechanisms, the set of support mechanisms is disposed at one end of the carrier beam 1 along the first horizontal direction, the other end of the carrier beam 1 along the first horizontal direction is provided with a hanging hole 11, and the hanging piece fixedly connects the other end of the carrier beam 1 to a fixed hanging point through the hanging hole 11. In this arrangement, one end of the carrier beam 1 is supported by the supporting mechanism, and the other end of the carrier beam 1 is suspended and fixed by the fixed hanging point. The bearing beam 1 of the combined lifting device can pass through the hole or the shielding object, so that the lifting operation under complex conditions is completed.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. A modular lifting device, comprising:

the lifting device comprises a bearing beam (1) and a lifting motor (2), wherein the bearing beam (1) extends along a first horizontal direction, the lifting motor (2) is arranged on the bearing beam (1), and the lifting motor (2) is used for lifting cargoes;

the support mechanism is detachably connected to the bearing beam (1), at least one group of support mechanisms is configured, the support mechanism comprises two groups of support assemblies (31), the two groups of support assemblies (31) are symmetrically distributed on two sides of the bearing beam (1) along a second horizontal direction, and the second horizontal direction is perpendicular to the first horizontal direction;

the support assembly (31) comprises a connecting beam (311), a forearm beam (312) and supporting legs (313), one end of the connecting beam (311) is connected to the bearing beam (1), the other end of the connecting beam is fixedly connected with the forearm beam (312) in an adjustable mode, the forearm beam (312) can move relative to the connecting beam (311) along the second horizontal direction, after the forearm beam (312) moves in place, the forearm beam (312) is fixedly connected with the connecting beam (311) through a first fastener, one end of each supporting leg (313) is fixedly connected to one end of each forearm beam (312) away from the bearing beam (1), the other end of each supporting leg (313) extends downwards vertically, and each supporting leg (313) is used for supporting the bearing beam (1).

2. The combined lifting device according to claim 1, wherein the supporting mechanisms are configured with two groups, the two groups of supporting mechanisms are respectively arranged at two ends of the bearing beam (1) along the first horizontal direction, and the lifting motor (2) is arranged between the two groups of supporting mechanisms.

3. A combined hoisting device according to claim 1, characterized in that the supporting means are arranged in two groups, one group of supporting means is arranged at one end of the carrier beam (1) in the first horizontal direction, the hoisting motor (2) is arranged at the other end of the carrier beam (1) in the first horizontal direction, and the other group of supporting means is arranged between one group of supporting means and the carrier beam (1).

4. The combined lifting device according to claim 1, wherein the supporting mechanism is configured with a group, the supporting mechanism is disposed at one end of the carrier beam (1) along the first horizontal direction, the other end of the carrier beam (1) along the first horizontal direction is provided with a lifting hole (11), and the lifting piece fixedly connects the other end of the carrier beam (1) to a fixed lifting point through the lifting hole (11).

5. A combined hoisting device according to any one of claims 1-4, characterized in that the supporting assembly (31) further comprises a driving motor (314), a driving gear (315), a driven gear (316) and a connecting frame (317), the driving motor (314) is fixedly mounted on the carrier beam (1), the driving gear (315) is fixedly mounted on the output end of the driving motor (314), the driven gear (316) is fixedly connected with the connecting frame (317), the driven gear (316) is meshed with the driving gear (315), the connecting frame (317) is fixedly connected with the connecting beam (311), the connecting beam (311) is rotatably connected with the carrier beam (1) through a rotating shaft, and the axial direction of the driving gear (315), the axial direction of the driven gear (316) and the axial direction of the rotating shaft are all parallel to the vertical direction.

6. A combined hoisting device according to any one of claims 1-4, c h a r a c t e r i z e d in that the support leg (313) is a lifting support leg, which can be lifted or lowered in a vertical direction.

7. A combined hoisting device according to any one of claims 1-4, characterized in that the support assembly (31) further comprises a moving structure (318), the moving structure (318) comprising a wheel (3181) and a wheel holder (3182), the wheel (3181) being in rotational connection with the wheel holder (3182), the wheel holder (3182) being further fixedly connected to the support leg (313).

8. A combined hoisting device according to claim 7, characterized in that the moving structure (318) further comprises a locking member for locking the wheel (3181).

9. A combined hoisting device according to any one of claims 1-4, characterized in that the support assembly (31) further comprises a support bar (319), one end of the support bar (319) is fixedly connected to the support leg (313), the other end is fixedly connected to the forearm beam (312), and the support bar (319) and the support leg (313) and the support bar (319) and the forearm beam (312) are both arranged at an angle.

10. A combined hoisting device according to any one of claims 1-4, c h a r a c t e r i z e d in that in the first horizontal direction the hoisting motor (2) is slidable in relation to the load beam (1), and that after the hoisting motor (2) has been slid into place, a second fastener fixedly connects the hoisting motor (2) to the load beam (1).