CN215282708U

CN215282708U - Auxiliary lifting device

Info

Publication number: CN215282708U
Application number: CN202023223698.3U
Authority: CN
Inventors: 付明娥
Original assignee: Fu Minge
Current assignee: Fu Minge
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-12-24
Anticipated expiration: 2030-12-28

Abstract

The utility model relates to an auxiliary lifting device, including chassis, pole setting, lifter bar subassembly and mount for external instrument, install the truckle on the chassis, the lower extreme of pole setting is fixed on the chassis, and the lower extreme of lifter bar subassembly is established in the pole setting with stretching out and drawing back from top to bottom, and mount setting for external instrument is in the upper end of lifter bar subassembly. Still include the manual control mechanism who is used for controlling the lifter subassembly flexible, manual control mechanism includes driving rack, drive gear, pivot and handle, driving rack is along vertical setting at the lower extreme side surface of lifter subassembly, the upper end of pole setting is carved with the opening on the lateral wall of one side towards driving rack, the upper end of pole setting still is provided with gear rack, the pivot is rotationally installed on gear rack, drive gear installs in the pivot, drive gear's partly passes the opening and meshes with driving rack mutually, the handle links to each other with the one end of pivot. The utility model has the advantages of the structure is light, easy operation, stationarity and reliability are high, the suitability is strong.

Description

Auxiliary lifting device

Technical Field

The utility model belongs to the technical field of the aerial working instrument and specifically relates to an auxiliary lifting device for aerial working instrument is related to.

Background

At present, the most of the height distance between the ceiling of a floor to be decorated and the ground is 2.6 meters to 7 meters, an electric hammer is generally used for drilling holes when the holes are drilled on the ceiling of the floor, one or more scaffolds (or ladders) are required to be assembled firstly to raise a working platform during drilling, then a worker climbs the working platform and holds the electric hammer to drill the ceiling, and the drilling mode has the problems of complex operation, inconvenience in use, poor safety and the like.

In order to solve the problems, a lifting device is designed by the technical personnel in the field, and the problem that the electric hammer is difficult to drill is solved. However, most of lifting devices in the prior art are large in size and heavy in weight, operators are troublesome to carry and use, and the lifting device is very inconvenient, the lifting height of the lifting device is limited, the lifting device can only adapt to certain operating environments with low heights, and cannot work if the lifting height exceeds the height range of the lifting device, so that the limitation is large, the lifting structure of the existing lifting device is complex, the operation is inconvenient, and the stability and the reliability are poor.

For this reason, improvements have yet to be made by the relevant practitioner.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide an auxiliary lifting device which has the advantages of light structure, simple operation, high stability and reliability and strong applicability.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides an auxiliary lifting device, includes chassis, pole setting, lifter assembly and external mount for the instrument, install the truckle on the chassis, the lower extreme of pole setting is fixed on the chassis, the lower extreme of lifter assembly is established with stretching out and drawing back from top to bottom in the pole setting, external mount for the instrument sets up the upper end of lifter assembly. Still including being used for control the lifter assembly for telescopic manual control mechanism about the pole setting, manual control mechanism includes driving rack, drive gear, pivot and handle, driving rack is in along vertical setting the lower extreme side surface of lifter assembly just can follow the lower extreme of lifter assembly is together stretched out or is retract the pole setting, the upper end of pole setting in towards fretwork is equipped with the opening on one side lateral wall of driving rack, the upper end of pole setting still is provided with and is located near opening's gear rack, the pivot is rotationally installed on the gear rack, drive gear installs in the pivot, drive gear's partly pass the opening with the driving rack meshes mutually, the handle with the one end of pivot links to each other.

Further, still include locking mechanism, locking mechanism includes locking gear, locking piece and locking torsional spring, locking gear installs deviating from of pivot the one end of handle, the locking piece rotationally installs just be located on the gear support locking gear one side, it can block into to be equipped with on the locking piece it is right in the locking gear tooth gap the backstop portion that locking gear carries out the locking, locking torsional spring one end is fixed on the locking piece, the other end is fixed on the gear support.

Furthermore, one end of the rotating shaft, which is connected with the handle, is provided with a sleeve pipe which is vertical to the rotating shaft, and the handle comprises a long rod part which is several times as long as the sleeve pipe and is movably sleeved on the sleeve pipe and hand holding parts arranged at two ends of the long rod part.

Furthermore, gear rack includes two fixed plates that are parallel to each other, and the one end of two fixed plates is fixed respectively on the corresponding lateral wall of pole setting upper end, and the other end installation of two fixed plates the pivot, the handle with locking gear is located the outside of two fixed plates respectively, drive gear is located between two fixed plates.

Furthermore, two ends of the rotating shaft are respectively hooked with limit stop parts matched with the stop of the inner side surfaces of the two fixing plates.

Furthermore, the upper end of the upright rod is also provided with an auxiliary handle.

Further, the lifter assembly includes along two section at least lifter units of direction of height telescopic connection, wherein, the lower extreme of lower section lifter unit is established telescopically from top to bottom in the pole setting, the driving rack sets up at a side surface of lower section lifter unit along vertical setting, and the upper end of upper section lifter unit sets up external mount for the instrument to, it is fixed through locking screw locking between two adjacent lifter units.

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

firstly, the auxiliary lifting device of the utility model is light and flexible, and is easy to carry and use; secondly, the utility model adopts a lifting control structure with the matched transmission of the gear and the rack, which is not only simple and reliable, easy to operate, but also stable in lifting and easy and labor-saving to operate; furthermore, the utility model discloses supplementary elevating gear design has multistage elevation structure, and maximum height can reach 7 meters, has improved the application scope of device greatly, and the practicality is strong.

Drawings

Fig. 1 is a front perspective view of the auxiliary lifting device of the present invention.

Fig. 2 is an enlarged schematic view of a in fig. 1.

Fig. 3 is a schematic structural diagram of the separated state of the middle lifting rod assembly and the vertical rod of the present invention.

Fig. 4 is a schematic side view of the auxiliary lifting device of the present invention.

Fig. 5 is an enlarged schematic view of B in fig. 4.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments shown in the drawings.

As shown in fig. 1 to 5, an embodiment of the present invention provides an auxiliary lifting device, which includes a bottom frame 1, a vertical rod 2, a lifting rod assembly 3 and a fixing frame 4 for external tools. The base frame 1 is provided with a caster 10, the lower end of the upright rod 2 is fixed on the base frame 1, the lower end of the lifting rod component 3 is sleeved in the upright rod 2 in a vertically telescopic manner, and the fixing frame 4 for external tools is arranged at the upper end of the lifting rod component 3. The lifting rod assembly is characterized by further comprising a manual control mechanism 5 used for controlling the lifting rod assembly 3 to stretch up and down relative to the upright rod 2, wherein the manual control mechanism 5 comprises a transmission rack 51, a transmission gear 52, a rotating shaft 53 and a handle 54, the transmission rack 51 is vertically arranged on the surface of one side of the lower end of the lifting rod assembly 3 and can extend out or retract into the upright rod 2 along with the lower end of the lifting rod assembly 3, an opening 21 is hollowed in the side wall of one side, facing the transmission rack 51, of the upper end of the upright rod 2, a gear support 55 located near the opening 21 is further arranged at the upper end of the upright rod 2, the rotating shaft 53 is rotatably installed on the gear support 55, the transmission gear 52 is installed on the rotating shaft 53, one part of the transmission gear 52 penetrates through the opening 21 to be meshed with the transmission rack 51, and the handle 54 is connected with one end of the rotating shaft 53.

When the lifting rod assembly 3 needs to be controlled to lift, the handle 54 is only required to be rotated, the transmission gear 52 is driven to rotate through the rotating shaft 53, and the transmission rack 51 meshed with the transmission gear 52 moves upwards or downwards, so that the lifting rod assembly 3 can extend upwards or contract downwards relative to the upright rod 2, and the purpose of lifting is achieved. In the structure, the lifting control is realized through the transmission matching of the transmission gear and the transmission rack, so that the lifting stability can be ensured, and the rotation operation of the handle is easy and labor-saving.

The utility model discloses in, supplementary elevating gear still includes locking mechanism 6, locking mechanism 6 includes locking gear 61, locking piece 62 and locking torsional spring 63, locking gear 61 installs the one end that deviates from handle 54 at pivot 53, locking piece 62 rotationally installs on gear bracket 55 and is located locking gear 61 one side, be equipped with on the locking piece 62 can block into locking gear 61's tooth clearance 611 in and carry out the backstop portion 621 of locking to locking gear 61, locking torsional spring 63 one end is fixed on locking piece 62, the other end is fixed on gear bracket 55. When the lifting adjustment is not performed normally, the lock block 62 is under the action of the lock torsion spring 63, the upper stop portion 621 of the lock block is clamped in the corresponding tooth space 611 of the lock gear 61, so as to lock the lock gear 61 and the rotating shaft 53 connected with the lock gear 61, and then the lifting rod assembly 3 is locked at the current position and cannot be lifted accidentally, thereby ensuring safety. When the lifting rod assembly 3 needs to be lifted and lowered, the locking block 62 is opened to enable the upper stopping portion 621 to be separated from the tooth gap 611 of the locking gear 61, and then the handle 54 is rotated to control the lifting.

In the utility model, one end of the connecting handle 54 of the rotating shaft 53 is provided with a sleeve 56 perpendicular to the rotating shaft 53, and the handle 54 comprises a long rod 541 with a length several times longer than that of the sleeve 56 and movably sleeved on the sleeve 56 and a hand holding portion 542 arranged at two ends of the long rod 541. In this structure, the design of the long rod portion 541 helps to increase the moment arm when the handle 54 rotates, so that the rotation operation of the handle 54 is easier and more labor-saving.

The utility model discloses in, gear rack 55 includes two

fixed plates

551, 552 that are parallel to each other, and the one end of two

fixed plates

551, 552 is fixed respectively on the corresponding lateral wall of pole setting 2 upper end, and two

fixed plates

551, 552 other end installation pivot 53, handle 54 and locking gear 61 are located the outside of two

fixed plates

551, 552 respectively, and drive gear 52 is located between two

fixed plates

551, 552. In order to prevent the axial displacement of the rotating shaft 53 on the two

fixing plates

551 and 552, limit stoppers 57 engaged with the inner side surfaces of the two

fixing plates

551 and 552 are respectively hooked to both ends of the rotating shaft 53.

The utility model discloses in, the upper end of pole setting 2 still is equipped with supplementary handle 7, and the user can be when the operation or remove supplementary elevating gear, grasps this supplementary handle 7 to this makes this supplementary elevating gear keep steady.

The utility model discloses in, lifter assembly 3 includes along two section at least lifter units 31 of direction of height telescopic connection, wherein, the lower extreme of lower section lifter unit 31 can establish in pole setting 2 with stretching out and drawing back from top to bottom, and driving rack 51 sets up external mount 4 for the instrument along vertical setting on a side surface of lower section lifter unit 31, the upper end of upper section lifter unit 31 to, it is fixed to lock through locking screw 32 between two adjacent lifter units 31. Therefore, when the upward extension of the lifting rod assembly 3 is not enough to meet the requirement of the device on the height, the height of the device can be increased by the upward extension of the lifting rod unit 31, and during specific adjustment, only the locking screw 32 needs to be loosened, and then the corresponding telescopic rod unit 31 is pulled upwards to a required position and then the locking screw 32 is screwed.

The utility model discloses an auxiliary lifting device can use with multiple aerial working tool is supporting to the electric hammer example, passes through when needs the utility model discloses an auxiliary lifting device comes auxiliary electric hammer to carry out drilling operation to the floor ceiling, only needs to install this electric hammer 8 and fix on external for the instrument mount 4, then through auxiliary lifting device with this electric hammer 8 rise to required high position carry out drilling operation can, very convenient.

The above mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention can not be limited thereby, and all the simple equivalent changes and modifications made according to the claims and the description of the present invention are still included in the scope of the present invention.

Claims

1. The utility model provides an auxiliary lifting device, includes chassis, pole setting, lifter assembly and external mount for the instrument, install the truckle on the chassis, the lower extreme of pole setting is fixed on the chassis, the lower extreme of lifter assembly is established with stretching out and drawing back from top to bottom in the pole setting, external mount for the instrument sets up the upper end of lifter assembly, its characterized in that: still including being used for control the lifter assembly for telescopic manual control mechanism about the pole setting, manual control mechanism includes driving rack, drive gear, pivot and handle, driving rack is in along vertical setting the lower extreme side surface of lifter assembly just can follow the lower extreme of lifter assembly is together stretched out or is retract the pole setting, the upper end of pole setting in towards fretwork is equipped with the opening on one side lateral wall of driving rack, the upper end of pole setting still is provided with and is located near opening's gear rack, the pivot is rotationally installed on the gear rack, drive gear installs in the pivot, drive gear's partly pass the opening with the driving rack meshes mutually, the handle with the one end of pivot links to each other.

2. An auxiliary lifting device as defined in claim 1, wherein: still include locking mechanism, locking mechanism includes locking gear, locking piece and locking torsional spring, locking gear installs deviating from of pivot the one end of handle, the locking piece rotationally installs gear bracket is last and be located locking gear one side, it can block into to be equipped with on the locking piece it is right in the locking gear tooth gap the locking gear carries out the backstop portion of locking, locking torsional spring one end is fixed locking piece is last, the other end is fixed gear bracket is last.

3. An auxiliary lifting device as defined in claim 1 or 2, wherein: the handle comprises a long rod part and hand holding parts, wherein the long rod part is in multiple length and movably sleeved on the sleeve, and the hand holding parts are arranged at two ends of the long rod part.

4. An auxiliary lifting device as defined in claim 2, wherein: the gear support comprises two fixing plates which are parallel to each other, one ends of the two fixing plates are fixed on the corresponding side walls at the upper ends of the vertical rods respectively, the other ends of the two fixing plates are installed on the rotating shaft, the handle and the locking gear are located on the outer sides of the two fixing plates respectively, and the transmission gear is located between the two fixing plates.

5. An auxiliary lifting device as defined in claim 4, wherein: and two ends of the rotating shaft are respectively hooked with limit stop parts matched with the stop of the inner side surfaces of the two fixing plates.

6. An auxiliary lifting device as defined in claim 1 or 2, wherein: the upper end of the upright rod is also provided with an auxiliary handle.

7. An auxiliary lifting device as defined in claim 1 or 2, wherein: the lifter assembly includes along two section at least lifter units of direction of height telescopic connection, and wherein, the lower extreme of lower section lifter unit is established with stretching out and drawing back from top to bottom in the pole setting, the transmission rack is along vertical setting at a side surface of lower section lifter unit, and the upper end of upper section lifter unit sets up external mount for the instrument to, it is fixed through locking screw locking between two adjacent sections lifter units.