CN213059961U

CN213059961U - Lifting device for road and bridge construction

Info

Publication number: CN213059961U
Application number: CN202021082362.7U
Authority: CN
Inventors: 夏显争
Original assignee: Changsha Zhonghuan Enterprise Management Co ltd
Current assignee: Hunan Zhonghuan Construction Group Co.,Ltd.
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2021-04-27
Anticipated expiration: 2030-06-12

Abstract

The utility model discloses a hoisting device is used in road and bridge construction relates to the construction field, specifically discloses a hoisting device is used in road and bridge construction, including hydraulic pressure case and lifting rod, the equal fixedly connected with base in the left and right sides of hydraulic pressure case, the inside left side of hydraulic pressure case is provided with the oil pump, the inside top of oil tank is provided with the check valve, the inside top of hydraulic pressure case is connected with outer loop bar, the lifting rod is located the inside of outer loop bar, the top of lifting rod is provided with the bearing. The utility model discloses, compare with current hoisting device for the construction, the device starts the oil pump, makes the hydraulic oil in the oil tank lead to the oil feed intracavity through the check valve, will lift the whole height that promotes of lifter and guide pulley mutually supporting adjustment, uses gyro wheel mobile device's position, pivot adjusting device's horizontal direction, and the motor drives the bull stick and rotates for the lifting rope passes through the pulley and is the hoisting motion with the lifting hook together, and the protective cover prevents that the lifting rope from droing.

Description

Lifting device for road and bridge construction

Technical Field

The utility model relates to a construction field, concretely relates to hoisting device is used in road and bridge construction.

Background

The road and bridge construction refers to the process of building bridges and roads according to the design content; the construction method mainly refers to the contents of bridge construction technology, construction organization, construction management, construction quality and the like, along with the continuous development of the road and bridge industry, the use amount of road and bridge construction materials is continuously increased, the construction materials are often required to be transported to a high place in the road and bridge construction process, various construction materials are required to be transported to a specified position by utilizing a lifting device, and the lifting device is large-scale mechanical equipment for transporting through changing potential energy.

The prior patent (public number: CN 108715414A) discloses a building construction lifting device, which structurally comprises a steel rope, a winding machine, a placing table, a controller, a power-assisted sleeve, an underframe, an upright post, a rotator, a lifter body and a lifting hook, wherein the edge of the outer side surface of the steel rope is embedded and clearance-matched with the edge of the top surface of the lifter body, and the edge of the bottom surface of the lifter body is embedded and arranged in the center of the inner side surface of the power-assisted sleeve. The inventor finds the following problems in the prior art in the process of implementing the scheme, and the problems are not solved well: 1. although the lifting device is provided with the power-assisted sleeve, the lifter body and the rotator can assist power in the rotating direction, the rotating effect is good, but the structure is too complex and the interior of the lifter is inconvenient to maintain; 2. the lifting height needs to be manually controlled, and the lifting height is insufficient, so that workers need to carry the lifting device manually under special conditions; the use demand of people can not be fine, to above-mentioned condition, carries out technological innovation on current hoisting device for construction basis.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: 1. although the lifting device is provided with the power-assisted sleeve, the lifter body and the rotator can assist power in the rotating direction, the rotating effect is good, but the structure is too complex and the interior of the lifter is inconvenient to maintain; 2. need manual control to promote the height and the height that promotes not enough, need the workman to carry out artifical transport when leading to special case, and the hoisting device is used in road and bridge construction that provides.

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

a lifting device for road and bridge construction comprises a hydraulic tank and a lifting rod, wherein the left side and the right side of the hydraulic tank are fixedly connected with a base, the lower part of the base is fixedly connected with a roller, the left side of the inside of the hydraulic tank is provided with an oil pump, the right side of the oil pump is connected with an oil tank, a one-way valve is arranged above the inside of the oil tank, an oil inlet cavity is arranged above the oil tank, an outer sleeve rod is connected above the inside of the hydraulic tank, guide wheels are fixedly connected with the left side and the right side of the inner wall of the outer sleeve rod, the lifting rod is positioned inside the outer sleeve rod, a stabilizer bar is connected above the outer wall of the lifting rod, a bearing is arranged above the lifting rod, a rotating shaft is arranged inside the bearing, the left side of the rotating shaft is fixedly connected with a connecting plate, the left side of the connecting plate is connected, the right side fixedly connected with bull stick of motor, and the outer wall of bull stick is provided with the lifting rope, the right side swing joint of bull stick has the protective cover, the right side fixedly connected with auxiliary arm of pivot, and the main lifing arm of top fixedly connected with of pivot, the right side top swing joint of main lifing arm has the pulley, and the below of pulley is provided with the lifting hook.

Further, the base is installed in the left and right sides of hydraulic pressure case for the symmetry form, and parallels between the axis of base and the axis of hydraulic pressure case.

Furthermore, the outer loop bar passes through to constitute extending structure between guide pulley and the lifting rod, and coincides between the axis of outer loop bar and the axis of lifting rod mutually.

Furthermore, the lifting rod and the stabilizer bars are welded, and the stabilizer bars are equidistantly distributed on the outer wall of the lifting rod.

Furthermore, the lifting rod and the rotating shaft form a rotating structure through a bearing, and the central axis of the lifting rod and the central axis of the bearing are overlapped.

Furthermore, the inner surface of the bearing is tightly attached to the outer surface of the rotating shaft, and the central axis of the bearing coincides with the central axis of the rotating shaft.

Furthermore, be connected for dismantling between backup pad and the motor case, and the motor case is the perpendicular top of installing in the backup pad that appears.

Furthermore, the internal dimension structure of the motor box is matched with the external dimension structure of the motor, and the central axis of the motor box is coincided with the central axis of the motor.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a hydraulic pressure case, lifting rod and guide pulley, can start the oil pump in the hydraulic pressure case when needs adjustment whole lifting height, make the hydraulic oil in the oil tank lead into the oil feed intracavity through the check valve, will lift lifting rod and guide pulley and mutually support steady lifting, promote construction material afterwards again, further improve the lifting height of device from this, make when carrying out higher lifting save manpower and material resources;

(2) the utility model has the advantages that through the arrangement of the roller, the bearing and the rotating shaft, the welding is adopted between the roller and the base, the device can be moved while being lifted through the roller, the operation is convenient, and the time is saved; the transmission connection between the rotating shaft and the bearing is utilized to enable the device to quickly rotate to different directions, so that the structure is simple and the operation is convenient;

(3) the utility model discloses a setting of motor, bull stick and protective cover, motor drive bull stick rotate, and the hoisting rope of winding on the bull stick is immediately through pulley and lifting hook and is the motion of lifting by crane together, is connected for dismantling between protective cover and the bull stick, makes the hoisting rope on the bull stick prevent to drop at the rolling in-process through the protective cover, has guaranteed the normal operating of device lifting work.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic diagram of a side view of the internal structure of the motor casing of the present invention;

fig. 3 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.

The list of components represented by the various reference numbers in the figures is as follows: 1-a hydraulic tank; 2-a base; 3, rolling wheels; 4-an oil pump; 5-an oil tank; 6-a one-way valve; 7-oil inlet cavity; 8-an outer loop bar; 9-a guide wheel; 10-lifting the rod; 11-a stabilizer bar; 12-a bearing; 13-a connecting plate; 14-a support plate; 15-a motor box; 16-an electric machine; 17-a rotating rod; 18-a lift cord; 19-a protective cover; 20-a rotating shaft; 21-a secondary arm; 22-a main lifting arm; 23-a pulley; 24-hook.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a lifting device for road and bridge construction comprises a hydraulic tank 1 and a lifting rod 10, wherein the left and right sides of the hydraulic tank 1 are fixedly connected with a base 2, the lower part of the base 2 is fixedly connected with a roller 3, the base 2 is symmetrically arranged on the left and right sides of the hydraulic tank 1, the central axis of the base 2 is parallel to the central axis of the hydraulic tank 1, the left inside of the hydraulic tank 1 is provided with an oil pump 4, the right side of the oil pump 4 is connected with an oil tank 5, the upper inside of the oil tank 5 is provided with a one-way valve 6, the upper part of the oil tank 5 is provided with an oil inlet cavity 7, the upper inside of the hydraulic tank 1 is connected with an outer sleeve rod 8, the left and right sides of the inner wall of the outer sleeve rod 8 are fixedly connected with guide wheels 9, the lifting rod 10 is positioned inside the outer sleeve rod 8, the upper part of the outer wall, the central axis of the outer sleeve rod 8 coincides with the central axis of the lifting rod 10, the lifting rod 10 and the stabilizer bar 11 are welded, the stabilizer bars 11 are equidistantly distributed on the outer wall of the lifting rod 10, the oil pump 4 in the hydraulic tank 1 can be started when the integral lifting height needs to be adjusted through the hydraulic tank 1, the lifting rod 10 and the guide wheel 9, hydraulic oil in the oil tank 5 is led into the oil inlet cavity 7 through the check valve 6, the lifting rod 10 and the guide wheel 9 are matched with each other to be stably lifted, and then construction materials are lifted, so that the lifting height of the device is further improved, and manpower and material resources are saved during higher lifting;

a bearing 12 is arranged above the lifting rod 10, a rotating shaft 20 is arranged inside the bearing 12, the lifting rod 10 and the rotating shaft 20 form a rotating structure through the bearing 12, the central axis of the lifting rod 10 is coincident with the central axis of the bearing 12, the inner surface of the bearing 12 is tightly attached to the outer surface of the rotating shaft 20, the central axis of the bearing 12 is coincident with the central axis of the rotating shaft 20, the roller 3, the bearing 12 and the rotating shaft 20 are arranged, the roller 3 is welded with the base 2, the device can be lifted and moved through the roller 3, the operation is convenient, and the time is saved; the transmission connection between the rotating shaft 20 and the bearing 12 is utilized to enable the device to quickly rotate to different directions, the structure is simple, and the operation is convenient;

the left side of the rotating shaft 20 is fixedly connected with a connecting plate 13, the left side of the connecting plate 13 is connected with a supporting plate 14, a motor box 15 is movably connected above the supporting plate 14, a motor 16 is arranged in the motor box 15, the supporting plate 14 is detachably connected with the motor box 15, the motor box 15 is vertically arranged above the supporting plate 14, the internal size structure of the motor box 15 is matched with the external size structure of the motor 16, the central axis of the motor box 15 is coincided with the central axis of the motor 16, the right side of the motor 16 is fixedly connected with a rotating rod 17, the outer wall of the rotating rod 17 is provided with a lifting rope 18, the right side of the rotating rod 17 is movably connected with a protective cover 19, the motor 16 drives the rotating rod 17 to rotate through the arrangement of the motor 16, the rotating rod 17 and the protective cover 19, the lifting rope 18 wound on the rotating rod 17 immediately performs lifting motion together with, the protective cover 19 is detachably connected with the rotating rod 17, and the lifting rope 18 on the rotating rod 17 is prevented from falling off in the winding process through the protective cover 19, so that the normal operation of the lifting work of the device is ensured;

the right side of pivot 20 is fixedly connected with fly jib 21, and the top fixedly connected with main lifing arm 22 of pivot 20, and the right side top swing joint of main lifing arm 22 has pulley 23, and the below of pulley 23 is provided with lifting hook 24.

In the utility model, when a user uses the device, firstly, the user utilizes the roller 3 to install the integral device in a construction site and connects a power supply, materials to be lifted are hung on the lifting hook 24, the motor 16 (model; ULN 2003) in the motor box 15 is started, the motor 16 drives the rotating rod 17 to rotate, the lifting rope 18 wound on the rotating rod 17 immediately makes a lifting motion together with the lifting hook 24, the lifting rope 18 lifts the building materials on the hook through the pulley 23, the protective cover 19 is detachably connected with the rotating rod 17, the lifting rope 18 on the rotating rod 17 is prevented from falling off in the rolling process through the protective cover 19, when the integral lifting height needs to be adjusted, the oil pump 4 (model: ACHR) in the hydraulic box 1 can be started, hydraulic oil in the oil tank 5 is led into the oil inlet cavity 7 through the check valve 6, the lifting rod 10 is stably lifted by matching with the guide wheel 9, construction materials are lifted afterwards, the device is enabled to rotate to different directions rapidly through transmission connection between the rotating shaft 20 and the bearing 12, the structure is simple, operation is convenient, the device can be moved while being lifted through the idler wheels 3, and the working principle of the lifting device for road and bridge construction is the same.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A lifting device for road and bridge construction comprises a hydraulic tank (1) and a lifting rod (10), and is characterized in that the left side and the right side of the hydraulic tank (1) are fixedly connected with a base (2), rollers (3) are fixedly connected below the base (2), an oil pump (4) is arranged on the left side of the inside of the hydraulic tank (1), an oil tank (5) is connected on the right side of the oil pump (4), a one-way valve (6) is arranged above the inside of the oil tank (5), an oil inlet cavity (7) is arranged above the oil tank (5), an outer sleeve rod (8) is connected above the inside of the hydraulic tank (1), guide wheels (9) are fixedly connected on the left side and the right side of the inner wall of the outer sleeve rod (8), the lifting rod (10) is positioned inside the outer sleeve rod (8), a stabilizing rod (11) is connected above the outer wall of the lifting rod (10), and a bearing (12) is arranged above the lifting rod (10, and the inside of bearing (12) is provided with pivot (20), the left side fixedly connected with connecting plate (13) of pivot (20), and the left side of connecting plate (13) is connected with backup pad (14), the top swing joint of backup pad (14) has motor case (15), and the inside of motor case (15) is provided with motor (16), the right side fixedly connected with bull stick (17) of motor (16), and the outer wall of bull stick (17) is provided with lifting rope (18), the right side swing joint of bull stick (17) has protective cover (19), the right side fixedly connected with sub-arm (21) of pivot (20), and the main lifting arm (22) of the top fixedly connected with of pivot (20), the right side top swing joint of main lifting arm (22) has pulley (23), and the below of pulley (23) is provided with lifting hook (24).

2. The lifting device for road and bridge construction according to claim 1, wherein the base (2) is symmetrically installed at the left and right sides of the hydraulic tank (1), and the central axis of the base (2) is parallel to the central axis of the hydraulic tank (1).

3. The lifting device for road and bridge construction according to claim 1, wherein the outer loop bar (8) forms a telescopic structure with the lifting bar (10) through a guide wheel (9), and a central axis of the outer loop bar (8) coincides with a central axis of the lifting bar (10).

4. The lifting device for road and bridge construction according to claim 1, wherein the lifting rod (10) and the stabilizer bar (11) are welded, and the stabilizer bar (11) is equidistantly distributed on the outer wall of the lifting rod (10).

5. The lifting device for road and bridge construction according to claim 1, wherein the lifting rod (10) and the rotating shaft (20) form a rotating structure through a bearing (12), and a central axis of the lifting rod (10) and a central axis of the bearing (12) are coincident.

6. The lifting device for road and bridge construction according to claim 1, wherein the inner surface of the bearing (12) is closely attached to the outer surface of the rotating shaft (20), and the central axis of the bearing (12) coincides with the central axis of the rotating shaft (20).

7. The lifting device for road and bridge construction as claimed in claim 1, wherein the supporting plate (14) and the motor box (15) are detachably connected, and the motor box (15) is vertically installed above the supporting plate (14).

8. The lifting device for road and bridge construction according to claim 1, wherein the inner dimension structure of the motor box (15) is matched with the outer dimension structure of the motor (16), and the central axis of the motor box (15) is matched with the central axis of the motor (16).