CN220549925U - Hoisting device - Google Patents

Abstract

The utility model relates to the technical field of bridge manufacture, in particular to a hoisting device. This hoist device is used for hoisting the prefab, and it includes: the device comprises a bracket, a moving mechanism, a lifting mechanism, a ranging component and a buffer component, wherein the bracket can cross a bridge deck; the moving mechanism is arranged at the top of the bracket; the lifting mechanism is arranged at the bottom of the moving mechanism and comprises a grabbing arm which can be connected with the prefabricated member; the distance measuring component is arranged on the side wall of the prefabricated member and used for measuring the distance between the prefabricated member to be installed and the installed prefabricated member; the buffer assembly is arranged on the prefabricated member and used for protecting the prefabricated member. The buffer assembly is arranged, so that the prefabricated member can be prevented from colliding with surrounding structures, and the damage to the components is avoided; through setting up the mounted position that range finding subassembly can accurate control prefab, prevent to bump between the prefab, the integrality of protection prefab avoids the position of secondary adjustment prefab simultaneously, has shortened installation time, improves installation effectiveness.

Description

Hoisting device

Technical Field

The utility model relates to the technical field of bridge manufacture, in particular to a hoisting device.

Background

In the hoisting process, due to the influence of a complex environment, the components are often unstable in the hoisting process, so that the components collide with surrounding buildings, and the components are damaged; in addition, in the installation process of the components, the installation position is inaccurate, secondary adjustment is needed, the collision between the components to be installed and the installed components can occur in the adjustment process, so that the components are damaged, and meanwhile, a large amount of time is wasted in secondary adjustment, so that the working efficiency is seriously affected.

Therefore, a lifting device is needed to solve the above technical problems.

Disclosure of Invention

The utility model aims to provide a hoisting device which can prevent prefabricated members from being damaged due to collision in the process of installing the prefabricated members and improve the working efficiency.

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

a lifting device for lifting a prefabricated member of a bridge structure, the lifting device comprising:

a bracket capable of crossing a deck;

the moving mechanism is arranged at the top of the bracket;

the lifting mechanism is arranged at the bottom of the moving mechanism and comprises a grabbing arm which can be connected with the prefabricated member;

the distance measuring assembly is arranged on the side wall of the prefabricated member and is used for measuring the distance between the prefabricated member to be installed and the prefabricated member which is installed;

the buffer assembly is arranged on the prefabricated member and used for protecting the prefabricated member.

As a preferable technical scheme of the hoisting device, the side wall of the prefabricated member is provided with the distance measuring component and the buffer component, and the height of the distance measuring component is lower than that of the buffer component.

As a preferable technical scheme of the hoisting device, the distance measuring assembly comprises a laser distance measuring instrument, and the laser distance measuring instrument is arranged on the side wall of the prefabricated member.

As a preferable technical scheme of the hoisting device, the buffer assembly comprises an airbag, and the airbag is arranged on the side wall of the prefabricated member.

As a preferred technical scheme of the lifting device, the lifting mechanism further comprises two connecting rods, the two connecting rods are perpendicular to each other, the connecting positions of the two connecting rods coincide with the midpoints of the two connecting rods, the connecting positions of the two connecting rods are connected with the lifting rods of the lifting mechanism, and the two ends of each connecting rod are provided with the grabbing arms.

As a preferable technical scheme of the hoisting device, the top wall of the prefabricated part is provided with four embedded parts, and the embedded parts are arranged in one-to-one correspondence with the grabbing arms.

As an optimized technical scheme of the hoisting device, the lifting mechanism further comprises an oil cylinder assembly, the oil cylinder assembly is connected to the moving mechanism, and a lifting rod of the oil cylinder assembly is connected with the joint of the two connecting rods.

As a preferred technical scheme of the hoisting device, the moving mechanism comprises a longitudinal traveling crane, longitudinal traveling crane rods, two transverse traveling cranes and two transverse traveling crane rods, wherein the two ends of the longitudinal traveling crane rods are respectively provided with the transverse traveling cranes, the middle part of each longitudinal traveling crane rod is provided with the longitudinal traveling cranes, the transverse traveling cranes and the longitudinal traveling crane are arranged at intervals, the two transverse traveling cranes are arranged in parallel, the two transverse traveling crane rods are arranged in the support, the two transverse traveling cranes and the two transverse traveling crane rods are arranged in one-to-one correspondence, the transverse traveling cranes can move along the length direction of the transverse traveling crane rods, the longitudinal traveling crane rods are vertically arranged with the two transverse traveling crane rods, the longitudinal traveling cranes can move along the length direction of the longitudinal traveling crane rods, and the oil cylinder assembly is arranged in the longitudinal traveling cranes.

As a preferable technical scheme of the hoisting device, the transverse traveling crane rods and the longitudinal traveling crane rods are provided with sliding rails, the transverse traveling crane rods and the longitudinal traveling crane rods are provided with pulleys, and the pulleys are in sliding connection with the sliding rails.

As a preferable technical scheme of the hoisting device, the support is provided with a fixing rod, and the fixing rod is fixedly connected with the transverse driving rod.

The utility model has the beneficial effects that: the utility model provides a hoisting device, which is used for hoisting prefabricated parts and comprises: the device comprises a bracket, a moving mechanism, a lifting mechanism, a ranging component and a buffer component, wherein the bracket can cross a bridge deck; the moving mechanism is arranged at the top of the bracket; the lifting mechanism is arranged at the bottom of the moving mechanism and comprises a grabbing arm which can be connected with the prefabricated member; the distance measuring component is arranged on the side wall of the prefabricated member and is used for measuring the distance between the prefabricated member to be installed and the installed prefabricated member; the buffer assembly is arranged on the prefabricated member and used for protecting the prefabricated member. The buffer assembly is arranged, so that the prefabricated member can be prevented from colliding with surrounding structures, and the damage to the components is avoided; through setting up the mounted position that range finding subassembly can accurate control prefab, prevent to bump between the prefab, the integrality of protection prefab avoids the position of secondary adjustment prefab simultaneously, has shortened installation time, improves installation effectiveness.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments of the present utility model, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the contents of the embodiments of the present utility model and these drawings without inventive effort for those skilled in the art.

Fig. 1 is a left side view of a hoisting device according to an embodiment of the present utility model;

fig. 2 is a front view of a lifting device according to an embodiment of the present utility model;

fig. 3 is a top view of a lifting device according to an embodiment of the present utility model.

In the figure:

1. a preform; 101. an embedded part; 2. a bracket; 3. a gripping arm; 4. a laser range finder; 5. an airbag; 6. an oil cylinder assembly; 7. transverse travelling crane; 8. a transverse driving rod; 9. longitudinally driving; 10. a longitudinal driving rod; 11. a fixed rod; 12. and (5) connecting a 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", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, 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.

As shown in fig. 1 to 3, the present utility model provides a lifting device including a bracket 2, a moving mechanism, a lifting mechanism, a ranging assembly and a buffering assembly.

Referring specifically to fig. 1, the bracket 2 is capable of crossing a deck; the moving mechanism is arranged at the top of the bracket 2 and is used for carrying the prefabricated member 1; the lifting mechanism is arranged at the bottom of the moving mechanism and comprises a grabbing arm 3, and the grabbing arm 3 can be connected with the prefabricated member 1 and is used for lifting the prefabricated member 1; the distance measuring assembly is arranged on the side wall of the prefabricated member 1 and is used for measuring the distance between the prefabricated member 1 to be installed and the prefabricated member 1 which is installed; the buffer assembly is arranged on the prefabricated part 1 and is used for protecting the prefabricated part 1. The buffer assembly is arranged, so that the prefabricated member 1 can be prevented from colliding with surrounding structures in the lifting and carrying process, the damage to components is avoided, and the buffer assembly can also prevent the prefabricated member 1 to be installed from colliding with the installed prefabricated member 1 in the lowering and installing process, so that the damage to the prefabricated member 1 is avoided; the distance between the prefabricated member 1 to be installed and the prefabricated member 1 installed can be measured by the distance measuring assembly, the prefabricated member 1 to be installed is moved to the installation position by the moving mechanism, the prefabricated member 1 is accurately installed by the lifting mechanism, collision between the prefabricated member 1 to be installed and the prefabricated member 1 to be installed is prevented, the integrity of the prefabricated member 1 is protected, meanwhile, the position of the prefabricated member 1 is prevented from being adjusted secondarily, the installation time is shortened, and the installation efficiency is improved.

Further, the buffer components are arranged on each side wall of the prefabricated part 1, so that the prefabricated part 1 can be comprehensively protected; the distance measuring component sets up in prefab 1 and the adjacent lateral wall of installed prefab 1, because prefab 1's mounted position is not every lateral wall all has adjacent installed prefab 1, consequently only has adjacent installed prefab 1's lateral wall to set up the distance measuring component, can make full use of the distance measuring component, avoids the waste of distance measuring component.

Further, when the side wall of the preform 1 has both the ranging assembly and the buffer assembly, the height of the ranging assembly is lower than that of the buffer assembly. Since the distance measuring assembly and the buffer assembly need to be removed, in order to accurately mount the preform 1, the preform 1 to be mounted is lowered to a position where the top wall of the preform 1 to be mounted is higher than the top wall of the mounted preform 1, and in order to enable the distance measuring assembly to effectively measure the distance between the adjacent preforms 1 and avoid the interference of the buffer assembly, the distance measuring assembly is arranged at a position lower than the buffer assembly.

Further, the distance measuring assembly comprises a laser distance measuring device 4, and the laser distance measuring device 4 is mounted on the side wall of the prefabricated member 1. In this embodiment, because the distance between the adjacent prefabricated members 1 is smaller, and the laser rangefinder 4 has the characteristics of small volume and light weight, meanwhile, the laser rangefinder 4 has high measurement accuracy and strong anti-interference capability, so the laser rangefinder 4 is adhered to the side wall of the prefabricated member 1 by glue for accurately measuring the mounting position of the prefabricated member 1.

Of course, in other embodiments, the ranging assembly may further include a range finder such as an ultrasonic range finder or an infrared range finder, and the installation manner may also be a threaded connection or a hooking connection.

Further, the cushion assembly includes an airbag 5, and the airbag 5 is provided to a side wall of the preform 1. In this embodiment, since the prefabricated member 1 is a large-sized member, the prefabricated member 1 may shake during the lifting process, and the working space is limited in a complex working environment, and the prefabricated member 1 may collide with surrounding structures during the lifting process, for example: bridge piers, mechanical equipment and the like are arranged on the side wall of the prefabricated member 1 in order to prevent the prefabricated member 1 or other structures from being damaged due to collision, the bridge quality is affected, or the machinery is damaged, the safety airbag 5 is arranged on the side wall of the prefabricated member 1, the safety airbag 5 is inflated before or during the lifting process of the prefabricated member 1, and the prefabricated member 1 or other structures can be prevented from being damaged.

Further, the lifting mechanism further comprises two connecting rods 12, the two connecting rods 12 are vertically arranged, the midpoints of the two connecting rods 12 are overlapped, the overlapped part of the two connecting rods 12 is connected with the lifting rod of the lifting mechanism, and the two ends of each connecting rod 12 are provided with the grabbing arms 3, so that the lifting is more stable, and the lifting mechanism is balanced in stress; four embedded parts 101 are arranged on the top wall of the prefabricated part 1, and the embedded parts 101 are arranged in one-to-one correspondence with the grabbing arms 3. Therefore, the stress of the prefabricated member 1 in the hoisting process is balanced, the stability of the prefabricated member 1 is facilitated, and the damage of the stress structure of the prefabricated member 1 caused by uneven stress distribution is prevented.

Further, the lifting mechanism further comprises an oil cylinder assembly 6, the oil cylinder assembly 6 is arranged at the bottom of the moving mechanism, a lifting rod of the oil cylinder assembly 6 is connected with the overlapping part of the two connecting rods 12, the grabbing arm 3 can be connected with the prefabricated member 1, and the lifting rod of the oil cylinder assembly 6 can drive the grabbing arm 3 to lift, so that the prefabricated member 1 can be driven to lift. Through setting up hydro-cylinder subassembly 6, can hoist and mount large-scale prefabrication 1 to hydro-cylinder subassembly 6 stability is good, long service life.

Further, the moving mechanism comprises two transverse traveling bars 7, two transverse traveling bars 8, a longitudinal traveling bar 9 and a longitudinal traveling bar 10, wherein the two transverse traveling bars 8 are arranged below the support 2, the two transverse traveling bars 8 are arranged at intervals in parallel, the two transverse traveling bars 7 and the two transverse traveling bars 8 are arranged in one-to-one correspondence, the transverse traveling bars 7 can move along the length direction of the transverse traveling bars 8, the longitudinal traveling bar 10 and the transverse traveling bars 8 are vertically arranged, two ends of the longitudinal traveling bar 10 are respectively connected with one transverse traveling bar 7, the longitudinal traveling bar 9 is slidably arranged on the longitudinal traveling bar 10, the longitudinal traveling bar 9 can move along the length direction of the longitudinal traveling bar 10, the oil cylinder assembly 6 is arranged on the longitudinal traveling bar 9, and the support 2 is provided with a fixing bar 11 for connecting the two transverse traveling bars 8. In this embodiment, when the prefabricated member 1 needs to be transported transversely, the two transverse traveling crane 7 moves along the axial direction of the transverse traveling crane rod 8, so as to drive the longitudinal traveling crane 9, the longitudinal traveling crane rod 10 and the prefabricated member 1 to move together; when the prefabricated member 1 needs to be transported longitudinally, the two transverse travelling cranes 7 are stationary, and the longitudinal travelling crane 9 drives the prefabricated member 1 to move along the axis of the longitudinal travelling crane rod 10, so that the prefabricated member 1 is carried.

Further, the transverse traveling bar 8 and the longitudinal traveling bar 10 are both provided with sliding rails, the transverse traveling bar 7 and the longitudinal traveling bar 9 are both provided with pulleys, and the pulleys are in sliding connection with the sliding rails, namely, the pulleys can slide along the length direction of the sliding rails. Specifically, the transverse traveling bar 8 and the longitudinal traveling bar 10 respectively penetrate through the transverse traveling bar 7 and the longitudinal traveling bar 9, the tops of the transverse traveling bar 8 and the longitudinal traveling bar 10 are provided with sliding rails, pulleys are arranged in the transverse traveling bar 7 and the longitudinal traveling bar 9 and are in contact with the sliding rails, and the transverse traveling bar 7 and the longitudinal traveling bar 9 can respectively move on the transverse traveling bar 8 and the longitudinal traveling bar 10 through the cooperation of the pulleys and the sliding rails; and the sliding rail can limit the pulley, so that the pulley moves along the sliding rail, and the pulley is prevented from being separated from the sliding rail.

Further, the hoisting device further comprises a controller, the controller is electrically connected with the lifting mechanism and the air charging device of the air bag 5, the controller receives signals sent by the lifting mechanism, and then the controller controls the air charging device of the air bag 5 to charge air into the air bag 5; the controller is electrically connected with the laser range finder 4 and the moving mechanism, and is used for receiving signals sent by the laser range finder 4, and the controller controls a driving assembly of the moving mechanism to work and adjusts the position of the prefabricated member 1. In this embodiment, the controller may be a centralized or distributed controller, for example, the controller may be a single-chip microcomputer, or may be a distributed multi-chip microcomputer, where a control program may be run in the single-chip microcomputer, so as to control each component to implement its function.

The utility model provides a hoisting device, which is used as follows:

a laser range finder 4 and an air bag 5 are respectively arranged on each side wall of the prefabricated member 1; then connecting the grabbing arm 3 of the lifting mechanism with the embedded part 101, and inflating the safety airbag 5 while lifting the lifting mechanism; then the moving mechanism moves the prefabricated member 1 to the mounting position, at the moment, the air bag 5 is inflated, the lifting mechanism measures the distance between the prefabricated member 1 and the adjacent prefabricated member 1 according to the laser range finder 4 in the descending process, and the mounting position of the prefabricated member 1 is determined through the moving mechanism; finally, the laser range finder 4 and the safety airbag 5 are removed, the prefabricated member 1 is lowered to the installation position by the lifting mechanism, and the grabbing arm 3 of the lifting mechanism is removed. Specifically, in the present embodiment, during the lifting process of the prefabricated member 1, the airbag 5 is inflated, so as to prevent the prefabricated member 1 from being damaged due to collision between the prefabricated member 1 and surrounding structures, and the airbag 5 plays a role in protecting the prefabricated member 1 both during the lifting process and during the transportation process of the moving mechanism; when the mounting position of the prefabricated member 1 is determined, the laser range finder 4 and the air bag 5 can be removed, the laser range finder 4 and the air bag 5 are recycled, and the utilization rate of the laser range finder 4 and the air bag 5 is improved.

Furthermore, the foregoing description of the preferred embodiments and the principles of the utility model is provided herein. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.

Claims (10)

1. Hoisting device for hoisting a prefabricated member (1) of a bridge structure, characterized in that the hoisting device comprises:

a bracket (2), the bracket (2) being capable of crossing a deck;

the moving mechanism is arranged at the top of the bracket (2);

the lifting mechanism is arranged at the bottom of the moving mechanism and comprises a grabbing arm (3), and the grabbing arm (3) can be connected with the prefabricated member (1);

the distance measuring assembly is arranged on the side wall of the prefabricated part (1) and is used for measuring the distance between the prefabricated part (1) to be installed and the prefabricated part (1) which is installed;

the buffer assembly is arranged on the prefabricated part (1) and is used for protecting the prefabricated part (1).

2. Hoisting device according to claim 1, characterized in that the side walls of the preform (1) are provided with the distance measuring assembly and the buffer assembly, the distance measuring assembly being of a lower height than the buffer assembly.

3. Hoisting device according to claim 1, characterized in that the distance measuring assembly comprises a laser distance measuring device (4), the laser distance measuring device (4) being arranged on the side wall of the prefabricated member (1).

4. Hoisting device according to claim 1, characterized in that the cushioning assembly comprises an airbag (5), which airbag (5) is arranged at the side wall of the preform (1).

5. Hoisting device according to claim 1, characterized in that the lifting mechanism further comprises two connecting rods (12), the two connecting rods (12) are arranged vertically to each other, the connection of the two connecting rods (12) coincides with the middle point of the two connecting rods (12), the connection of the two connecting rods (12) is connected with the lifting rod of the lifting mechanism, and the two ends of each connecting rod (12) are provided with the gripping arms (3).

6. The hoisting device according to claim 5, wherein four embedded parts (101) are arranged on the top wall of the prefabricated member (1), and the embedded parts (101) are arranged in one-to-one correspondence with the grabbing arms (3).

7. Hoisting device according to claim 6, characterized in that the lifting mechanism further comprises an oil cylinder assembly (6), the oil cylinder assembly (6) is connected to the moving mechanism, and the lifting rod of the oil cylinder assembly (6) is connected to the joint of the two connecting rods (12).

8. The hoisting device according to claim 7, wherein the moving mechanism comprises a longitudinal crane (9), a longitudinal crane rod (10), two transverse cranes (7) and two transverse crane rods (8), the two ends of the longitudinal crane rod (10) are respectively provided with the transverse cranes (7), the middle part of the longitudinal crane rod (10) is provided with the longitudinal crane (9), the two transverse cranes (7) are arranged in parallel, the two transverse crane rods (8) are arranged in the support (2), the two transverse cranes (7) are arranged in one-to-one correspondence with the two transverse crane rods (8), the transverse cranes (7) can move along the length direction of the transverse crane rods (8), the longitudinal crane rods (10) are vertically arranged with the two transverse crane rods (8), the longitudinal crane rods (9) can move along the length direction of the longitudinal crane rods (10), and the oil cylinder assembly (6) is arranged in the longitudinal crane (9).

9. Hoisting device according to claim 8, characterized in that the transverse traveling bar (8) and the longitudinal traveling bar (10) are provided with sliding rails, the transverse traveling bar (7) and the longitudinal traveling bar (9) are provided with pulleys, which are in sliding connection with the sliding rails.

10. Hoisting device according to claim 8, characterized in that the bracket (2) is provided with a fixing rod (11), the fixing rod (11) being fixedly connected with the transverse traveling rod (8).