CN223705044U

CN223705044U - A hoisting and positioning device for precast construction components

Info

Publication number: CN223705044U
Application number: CN202520203780.3U
Authority: CN
Inventors: 戴路遥
Original assignee: Jiangsu Qianzhou Construction Co ltd
Current assignee: Jiangsu Qianzhou Construction Co ltd
Priority date: 2025-02-10
Filing date: 2025-02-10
Publication date: 2025-12-23
Anticipated expiration: 2035-02-10

Abstract

The utility model provides a hoisting and positioning device for a construction prefabricated part, which belongs to the technical field of hoisting and positioning of prefabricated parts and comprises a bearing mechanism, wherein the bearing mechanism comprises a base, and the limiting assembly comprises a first pin pipe fixedly connected to the inner side of a bracket, a pin shaft arranged in the inner cavity of the first pin pipe, and a second bevel connection pipe fixedly arranged at the other end of the pin shaft. According to the utility model, through the cooperation of all parts between the winding mechanism and the limiting assembly, for example, the pin shaft in the limiting assembly is inserted into the fixing hole of the winding disc under the action of the spring, the rotation of the winding disc can be effectively limited, the sudden stop of the motor caused by accidental power failure, short circuit, equipment failure and the like of the motor is prevented, the safety of construction site personnel and equipment is ensured, and in some occasions with higher requirements on the precision of the hoisting position, the accurate limiting can ensure that the hoisted object accurately reaches the preset position, and the problems of repeated operation or installation failure and the like caused by inaccurate positioning are reduced.

Description

Hoisting and positioning device for construction prefabricated part

Technical Field

The utility model belongs to the technical field of hoisting and positioning of prefabricated parts, and particularly relates to a hoisting and positioning device for a construction prefabricated part.

Background

The prefabricated concrete wallboard is a common prefabricated component, for example, in an assembled residential building, the external wallboard not only plays a role of an enclosure structure, but also has functions of heat preservation, heat insulation, water resistance and the like, and can be accurately manufactured through a die in a factory, and concrete is poured in the die with a heat preservation layer, a water resistance layer and other structures, so that the manufactured external wallboard is formed at one step, and the quality of the external wallboard is stable.

The existing hoisting positioning device generally lacks a device for limiting and fixing a motor or a winding disc during hoisting, the motor is suddenly stopped due to unexpected power failure, short circuit, equipment failure and the like, if the limiting and fixing device is not provided, a steel cable being wound or unwound can lose control, for example, in the process of hoisting a prefabricated component, if the motor is suddenly stopped and the winding disc is not limited and fixed, the steel cable can be reversely unwound due to the dead weight of the prefabricated component, and the heavy object is likely to fall, so that serious safety accidents are caused, and life is threatened to constructors.

Disclosure of utility model

The utility model aims to provide a hoisting and positioning device for a construction prefabricated part, and aims to solve the problems in the background technology.

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

The utility model provides a hoist and mount positioner of construction prefabricated component, includes, bears the weight of the mechanism, including base, fixed mounting in the landing leg of base surface, respectively fixed mounting in the universal wheel of four corners of base bottom, set up rotary platform directly over the base, the adaptation is installed the loop wheel machine at rotary platform top to and pass through the bearing fixed mounting in the leading wheel at loop wheel machine top;

The winding mechanism comprises a bracket fixedly installed at the top of the rotary platform, a direct current motor adaptively installed on the outer surface of the bracket, a winding disc fixedly connected with the output end of the direct current motor through a coupler, a steel cable fixedly connected with the outer surface of the winding disc, a lifting hook fixedly installed at the other end of the steel cable, a plurality of fixing holes formed in the outer side of the winding disc and a limiting assembly matched with limiting the winding disc.

As a preferable scheme of the utility model, the limiting component comprises a first pin pipe fixedly connected to the inner side of the bracket, a spring fixedly installed on the inner wall of the bracket, a pin shaft arranged in the inner cavity of the first pin pipe, a first bevel connection pipe fixedly connected to the outer surface of the bracket, a limiting plate fixedly installed at one end of the pin shaft, and a second bevel connection pipe fixedly installed at the other end of the pin shaft, wherein the spring is sleeved on the outer surface of the pin shaft.

As a preferable scheme of the utility model, the bearing mechanism further comprises a torque motor, a gear, a supporting shaft and a fluted disc, wherein the torque motor is adaptively arranged at the top of the base, the gear is fixedly connected with the output end of the torque motor through a coupler, the supporting shaft is fixedly arranged at the top of the base through a bearing seat and matched with the rotating platform for use, and the fluted disc is fixedly sleeved on the surface of the supporting shaft.

As a preferable scheme of the utility model, the fixing holes are distributed on the outer side of the winding disc in a circumferential array, and one end of the winding disc, which is far away from the torque motor, is fixedly connected with the inner wall of the bracket through a bearing seat.

As a preferable scheme of the utility model, the top of the supporting shaft is fixedly connected with the bottom of the rotating platform, and teeth of the fluted disc are meshed with teeth of the gear.

As a preferable mode of the utility model, the number of the guide wheels is two, and the outer surfaces of the two guide wheels are in sliding contact with the surface of the steel cable.

As a preferable scheme of the utility model, one end of the spring far away from the bracket is fixedly arranged on the outer surface of the limiting plate, and the pin shaft is in sliding contact with the inner wall of the first pin tube.

Compared with the prior art, the utility model has the beneficial effects that through the matching of parts between the winding mechanism and the limiting assembly, for example, the pin shaft in the limiting assembly is inserted into the fixing hole of the winding disc under the action of the spring, the rotation of the winding disc can be effectively limited, the sudden stop of the motor caused by unexpected power failure, short circuit, equipment failure and the like of the motor is prevented, the falling of prefabricated parts is prevented, the safety of construction site personnel and equipment is ensured, and in some occasions with higher requirements on the precision of the hoisting position, the accurate limiting can ensure that the hoisted object accurately reaches the preset position, and the problems of repeated operation or installation failure and the like caused by inaccurate positioning are reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of a winding mechanism in the present utility model;

FIG. 3 is a schematic view of the structure between the rotary platform and the base in the present utility model;

fig. 4 is a schematic cross-sectional view of a limiting assembly according to the present utility model.

100 Parts of bearing mechanism, 101 parts of base, 102 parts of supporting leg, 103 parts of universal wheel, 104 parts of rotating platform, 105 parts of crane, 106 parts of guide wheel, 107 parts of torque motor, 108 parts of gear, 109 parts of supporting shaft, 110 parts of fluted disc, 200 parts of winding mechanism, 201 parts of bracket, 202 parts of direct current motor, 203 parts of winding disc, 204 parts of steel cable, 205 parts of lifting hook, 206 parts of fixing hole, 207 parts of limiting component, 207a parts of first pin tube, 207b parts of spring, 207c parts of pin shaft, 207d parts of first bevel connection tube, 207e parts of limiting plate, 207f parts of second bevel connection tube.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1-4, in an embodiment of the present utility model, there is provided a hoisting and positioning apparatus for constructing a prefabricated member, comprising,

The bearing mechanism 100 comprises a base 101, supporting legs 102 fixedly arranged on the outer surface of the base 101, universal wheels 103 respectively fixedly arranged at four corners of the bottom of the base 101, a rotary platform 104 arranged right above the base 101, a crane 105 adaptively arranged on the top of the rotary platform 104, and guide wheels 106 fixedly arranged on the top of the crane 105 through bearings;

The winding mechanism 200 comprises a bracket 201 fixedly arranged at the top of the rotary platform 104, a direct current motor 202 which is adaptively arranged on the outer surface of the bracket 201, a winding disc 203 fixedly connected with the output end of the direct current motor 202 through a coupler, a steel cable 204 fixedly connected with the outer surface of the winding disc 203, a lifting hook 205 fixedly arranged at the other end of the steel cable 204, a plurality of fixing holes 206 formed at the outer side of the winding disc 203, and a limiting assembly 207 which is matched with limit the winding disc 203 for use.

Specifically, the limiting assembly 207 includes a first pin tube 207a fixedly connected to the inner side of the support 201, a spring 207b fixedly mounted on the inner wall of the support 201, a pin shaft 207c disposed in the inner cavity of the first pin tube 207a, a first bevel connection tube 207d fixedly connected to the outer surface of the support 201, a limiting plate 207e fixedly mounted on one end of the pin shaft 207c, and a second bevel connection tube 207f fixedly mounted on the other end of the pin shaft 207c, wherein the spring 207b is sleeved on the outer surface of the pin shaft 207 c.

Further, the bearing mechanism 100 further comprises a torque motor 107, a gear 108, a supporting shaft 109, a fluted disc 110, a fixing hole 206, a winding disc 203, a bearing seat, a fixing hole 206, a winding disc 203 and a support 201, wherein the torque motor 107 is adaptively arranged at the top of the base 101, the gear 108 is fixedly connected with the output end of the torque motor 107 through the coupling, the supporting shaft 109 is fixedly arranged at the top of the base 101 and matched with the rotating platform 104 for use through the bearing seat, the fluted disc 110 is fixedly sleeved on the surface of the supporting shaft 109, the fixing hole 206 is circumferentially distributed on the outer side of the winding disc 203, and one end, far away from the torque motor 107, of the winding disc 203 is fixedly connected with the inner wall of the support 201 through the bearing seat.

Preferably, the top of the supporting shaft 109 is fixedly connected with the bottom of the rotary platform 104, the teeth of the fluted disc 110 are meshed with the teeth of the gear 108, the number of the guide wheels 106 is two, and the outer surfaces of the two guide wheels 106 are in sliding contact with the surface of the steel cable 204.

It should be noted that, one end of the spring 207b away from the bracket 201 is fixedly mounted on the outer surface of the limiting plate 207e, and the pin shaft 207c is in sliding contact with the inner wall of the first pin tube 207 a. When the device is used, the whole device is convenient to move to a proper construction position through the universal wheels 103, then the rotation of the rotary platform 104 is controlled through the torque motor 107, and when the torque motor 107 rotates, the gear 108 drives the fluted disc 110 to rotate, so that the rotary platform 104 at the top of the supporting shaft 109 realizes accurate rotary positioning;

Then, the direct current motor 202 is started to drive the winding disc 203 to rotate, the winding disc 203 rotates to enable the steel cable 204 wound on the outer surface of the winding disc 203 to conduct winding or unwinding operation, the prefabricated component is hooked through the hanging hook 205 at one end of the steel cable 204, the guide wheels 106 play a role in guiding the steel cable 204, the two guide wheels ensure that the steel cable 204 moves along a preset path in the winding and unwinding processes, friction and abrasion of the steel cable 204 and other components are reduced, meanwhile, the hoisting stability of the prefabricated component can be guaranteed, the direct current motor 202 operates normally, the winding disc 203 rotates continuously, the pin shaft 207c cannot be inserted into the fixing hole 206 on the outer side of the winding disc 203 due to normal rotation of the winding disc 203, when the direct current motor 202 is accidentally damaged to cause sudden stop operation, the first bevel connection tube 207d is rotated, and the elastic force of the spring 207b pushes the limiting plate 207e, and then the pin shaft 207c moves towards the fixing hole 206 on the outer side of the winding disc 203. Because the fixing holes 206 are distributed on the outer side of the winding disc 203 in a circumferential array, no matter what angle the winding disc 203 is stopped at, the pin shafts 207c can be accurately inserted into the corresponding fixing holes 206, and meanwhile, the first bevel connection pipe 207d and the second bevel connection pipe 207f can pass through the inclined grooves, so that auxiliary positioning is facilitated or a certain structural reinforcement effect is achieved in the process of inserting the pin shafts 207c into the fixing holes 206. Once the pin shaft 207c is inserted into the fixing hole 206, the rotation of the winding disc 203 can be effectively limited, and the steel cable 204 is prevented from being out of control, so that dangerous situations such as falling and the like of the prefabricated component which is being hoisted are avoided.

In sum, through the cooperation of each part between winding mechanism 200 and spacing subassembly 207, for example, the round pin axle 207c in spacing subassembly 207 inserts the fixed orifices of winding reel 203 under the effect of spring 207b, can effectively restrict the rotation of winding reel 203, prevent because of unexpected outage of motor, short circuit, equipment trouble etc. and the motor stop suddenly moves, thereby the prefabricated component that appears falls, the security of job site personnel and equipment has been ensured, in some places that require higher to hoist and mount position precision, this kind of accurate spacing can ensure that the hoist and mount thing accurately reaches the preset position, reduce the problem such as repeated operation or installation failure that leads to because of the location inaccuracy.

It is important to note that the construction and arrangement of the utility model as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present utility model. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present utility models. Therefore, the utility model is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Furthermore, in order to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the utility model, or those not associated with practicing the utility model).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims

1. A hoisting and positioning device for a construction prefabricated part is characterized by comprising,

The bearing mechanism (100) comprises a base (101), supporting legs (102) fixedly arranged on the outer surface of the base (101), universal wheels (103) respectively fixedly arranged at four corners of the bottom of the base (101), a rotary platform (104) arranged right above the base (101), a crane (105) adaptively arranged on the top of the rotary platform (104), and guide wheels (106) fixedly arranged on the top of the crane (105) through bearings;

Winding mechanism (200), including fixed mounting at support (201) at rotary platform (104) top, the adaptation is installed direct current motor (202) of support (201) surface, through the shaft coupling with winding dish (203) of direct current motor (202) output fixed connection, fixed connection be in steel cable (204) of winding dish (203) surface, fixed mounting be in lifting hook (205) of steel cable (204) other end, a plurality of setups are in fixed orifices (206) in winding dish (203) outside to and cooperation carries out spacing subassembly (207) that spacing used to winding dish (203).

2. The hoisting and positioning device for the construction prefabricated part according to claim 1, wherein the limiting assembly (207) comprises a first pin pipe (207 a) fixedly connected to the inner side of the support (201), a spring (207 b) fixedly installed on the inner wall of the support (201), a pin shaft (207 c) arranged in the inner cavity of the first pin pipe (207 a), a first bevel connection pipe (207 d) fixedly connected to the outer surface of the support (201), a limiting plate (207 e) fixedly installed at one end of the pin shaft (207 c), and a second bevel connection pipe (207 f) fixedly installed at the other end of the pin shaft (207 c), and the spring (207 b) is sleeved on the outer surface of the pin shaft (207 c).

3. The hoisting and positioning device for construction prefabricated parts according to claim 2, wherein the bearing mechanism (100) further comprises a torque motor (107) which is adaptively installed at the top of the base (101), a gear (108) which is fixedly connected with the output end of the torque motor (107) through a coupler, a supporting shaft (109) which is fixedly installed at the top of the base (101) through a bearing seat and is matched with the rotating platform (104), and a fluted disc (110) which is fixedly sleeved on the surface of the supporting shaft (109).

4. The hoisting and positioning apparatus for construction prefabricated parts according to claim 3, wherein the fixing holes (206) are distributed on the outer side of the winding disc (203) in a circumferential array, and one end of the winding disc (203) far away from the torque motor (107) is fixedly connected to the inner wall of the bracket (201) through a bearing seat.

5. The hoisting and positioning apparatus for construction prefabricated parts according to claim 4, wherein the top of the supporting shaft (109) is fixedly connected with the bottom of the rotary platform (104), and teeth of the fluted disc (110) are meshed with teeth of the gear (108).

6. The hoisting and positioning apparatus for construction prefabricated parts according to claim 5, wherein the number of the guide wheels (106) is two, and the outer surfaces of the two guide wheels (106) are in sliding contact with the surface of the steel cable (204).

7. The hoisting and positioning apparatus for a construction prefabricated member according to claim 6, wherein one end of the spring (207 b) away from the bracket (201) is fixedly mounted on the outer surface of the limiting plate (207 e), and the pin shaft (207 c) is in sliding contact with the inner wall of the first pin tube (207 a).