CN216105461U

CN216105461U - Anti-tilting vertical lifting device

Info

Publication number: CN216105461U
Application number: CN202122552247.2U
Authority: CN
Inventors: 王开来; 赖汉进; 庞亮; 段国坚; 顾金如; 卢国柱; 廖加红
Original assignee: Guangzhou Mingsen Hexing Tech Co ltd
Current assignee: Guangzhou Mingsen Hexing Tech Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-03-22
Anticipated expiration: 2031-10-22

Abstract

The utility model discloses an anti-inclination vertical lifting device, which comprises a lifting platform and a lifting traction device for driving the lifting platform to lift, wherein the lifting traction device comprises a traction rope and a traction power mechanism for climbing the traction rope to realize lifting driving, and the traction power mechanism is arranged on the lifting platform; the traction rope penetrates through the center of the lifting platform in the vertical direction and is connected with a traction power mechanism. Through the improvement, the vertical lifting device can effectively prevent the lifting platform from inclining in the lifting process, so that the construction safety is ensured.

Description

Anti-tilting vertical lifting device

Technical Field

The utility model relates to a lifting system, in particular to an anti-tilting vertical lifting device.

Background

A lifting device is usually required to be used in a construction site, the existing lifting device adopts a self-made lifting platform, is similar to a hanging basket device for cleaning or overhauling the outer wall of a high-rise building, and belongs to a mature technology at present. The lifting platform device consists of a lifting platform bracket, a traction device, a driving motor and a steel wire rope; in order to increase the safety, a safety device is usually also provided, the safety device comprises a safety rope and a safety gear controlled by speed, the steel wire rope is positioned in the middle of the lifting platform and passes through a trepan of the safety gear, the safety gear is fixed on the lifting platform, and the safety gear locks the steel wire rope to lock the lifting platform when the lifting platform descends and exceeds the speed; the lifting principle of the lifting platform is that the lifting traction device is installed on a lifting platform frame, the driving motor drives the lifting traction device to move up and down along the climbing of the steel wire rope, the construction platform moves up and down along the climbing of the steel wire rope along with the lifting platform, one end of the steel wire rope is fixed at the top of a well or a machine room, and the other end of the steel wire rope is placed or fixed at the bottom of the well. In order to be safer and more reliable, the two traction power devices are arranged, and are generally symmetrically arranged in pairs at a certain distance in a main guide rail plane, so that the lifting platform keeps balance in the lifting process, the safety device is arranged in the middle, and a steel wire rope of the safety device penetrates through the middle of the lifting platform. The two traction power devices are added with a safety device to realize the lifting of the lifting platform and the safety protection during the lifting. However, the problem of the lifting platform is that when the traction speeds of two traction power devices (i.e. driving motors) are not consistent or one of the two traction power devices is in failure, the lifting platform is easy to incline, an inclination prevention device is installed to find an inclined state, and then the lifting platform is corrected artificially, namely the traction power device corresponding to the upward inclined position in the lifting platform stops in the correction process, and the traction power device corresponding to the upward inclined position in the lifting platform moves for a certain stroke to restore the balance of the lifting platform. However, this solution is controlled on site by manual operation, with a certain risk, and since the more complex the shaft construction conditions are, the higher the floors are, the higher the risk prevention and control requirements for this construction are.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide an anti-tilting vertical lifting device, which can effectively prevent a lifting platform from tilting and improve the construction safety.

The technical scheme of the utility model for solving the problems in the prior art is as follows:

an anti-inclination vertical lifting device comprises a lifting platform and a lifting traction device for driving the lifting platform to lift, wherein the lifting traction device comprises a traction rope and a traction power mechanism for climbing on the traction rope to realize lifting driving, and the traction power mechanism is arranged on the lifting platform; the traction rope penetrates through the center of the lifting platform in the vertical direction and is connected with a traction power mechanism.

Preferably, the safety protection device comprises safety tongs and a safety rope, wherein the safety tongs are arranged on the lifting platform, and the safety rope penetrates through the center of the lifting platform along the vertical direction.

Preferably, a force measuring device is arranged in the hauling rope, and the force measuring device comprises a force measuring sensor and is used for carrying out feedback protection on the hauling rope.

Preferably, one end of the traction rope is fixed at the top of a construction site or in a machine room, and the other end of the traction rope is connected with the traction power mechanism and then placed or fixed on the ground.

Preferably, one end of the traction rope is fixed on the lifting platform, and the other end of the traction rope upwards bypasses the top of a construction site or a pulley fixed in a machine room, then downwards passes through a traction power mechanism on the lifting platform and then is placed at the bottom of the hoistway.

Preferably, the lifting traction devices are divided into two groups and used for improving the safety of the lifting platform.

Preferably, the lifting platform comprises a platform surface which is built in the horizontal plane direction through a metal structural member; the support bracket extends downwards along the main guide rail in the vertical direction and forms a T-shaped structure with the platform surface; one of the guide shoes matched with the main guide rails is arranged at the position, connected with the supporting bracket, of the platform surface, the other guide shoe is arranged at the bottom of the supporting bracket extending downwards, two guide shoes are respectively arranged on the left main guide rail and the right main guide rail, and four guide shoes are arranged.

Preferably, the traction power mechanisms in the two groups of lifting traction devices are attached to a steel plate back to back, and the steel plate is fixed on the support bracket.

Preferably, a center hole is formed in the center of the lifting platform, and the traction rope and the safety rope penetrate through the center hole.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the anti-inclination vertical lifting device, the traction rope is arranged at the center of the lifting platform, so that the lifting platform is not easy to incline or only slightly inclines under the condition that the traction speeds of the two traction power mechanisms are inconsistent or one of the two traction power mechanisms is in failure, and the safety of construction operation is ensured.

2. The anti-inclination vertical lifting device is simple in structure, does not need to be provided with a counterweight device, is easy to build, and is quick and convenient to install.

Drawings

Fig. 1 to 2 are schematic structural views of a first embodiment of the anti-tilt vertical lift device of the present invention, wherein fig. 1 is a schematic perspective view and fig. 2 is a front view.

Fig. 3 is a schematic perspective view of the lifting traction device and the safety protection device.

Fig. 4 is a schematic diagram of the lifting traction device.

Fig. 5 is a schematic view of a second embodiment of the tilt-resistant vertical lift device of the present invention.

Detailed Description

The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited thereto.

Example 1

Referring to fig. 1 to 4, the anti-tilt vertical lifting device of the utility model comprises a lifting platform 1 and a lifting traction device for driving the lifting platform 1 to lift, wherein the lifting traction device comprises a traction rope 6 and a traction power mechanism 3 for climbing on the traction rope 6 to realize lifting driving, and the traction power mechanism 3 is arranged on the lifting platform 1; the traction rope 6 penetrates through the center of the lifting platform 1 along the vertical direction and is connected with the traction power mechanism 3.

Referring to fig. 1 to 4, the working principle of the anti-tilting vertical lifting device of the present invention is: during operation, the traction power mechanism 3 climbs on the traction rope 6, so that the lifting platform 1 is driven to lift. Wherein, because the haulage rope 6 wears to locate the center department of lift platform 1 along vertical direction, to the condition that adopts a plurality of lift draw gear, for example adopt two lift draw gear, two of them haulage ropes 6 are located the center department of lift platform 1, because the interval of haulage rope 6 is less and be located the center of lift platform 1, consequently under the inconsistent or one of them traction power mechanism 3 trouble's of the traction speed of two traction power mechanism 3 the condition, lift platform 1 is difficult to appear inclining, or only very little slope can appear, thereby ensure the security of construction operation.

Referring to fig. 1 to 4, the anti-tilt vertical lifting device further comprises a safety protection device, wherein the safety protection device comprises a safety gear 7 and a safety rope 8, the safety gear 7 is arranged on the lifting platform 1, and the safety rope 8 penetrates through the center of the lifting platform 1 along the vertical direction. The safety rope 8 is also installed at the center of the elevating platform 1, so that interference with the automatic construction device is avoided, and the operation range of the automatic construction device is also ensured to be free from restriction.

Referring to fig. 1-4, a force measuring device is arranged in the hauling rope 6, and the force measuring device comprises a force sensor for performing feedback protection on the hauling rope. The force measuring device is arranged in the traction rope 6 to monitor the stress of the traction rope 6 in real time, so that the two steel wire ropes are in a normal stress state. If one of the traction ropes 6 is not stressed or is not stressed enough, and the other traction rope 6 is stressed too much, the traction power mechanism 3 corresponding to the traction rope 6 which is not stressed or is not stressed enough in the lifting traction device is abnormal, and the system alarms and stops working. The safety measure is combined with the safety protection device, so that the construction operation is safer.

Referring to fig. 1-4, the lifting traction devices in this embodiment are two groups for increasing the safety of the lifting platform.

Referring to fig. 1 to 4, in the lifting traction device of the present embodiment, the upper end of a traction rope 6 is fixed at the top of a construction site or in a machine room, and the lower end of the traction rope passes through the center of a lifting platform 1 downward to be connected with a traction power mechanism 3, and then continues to extend downward to the bottom of a hoistway; the center of the lifting platform 1 is provided with a center hole, and the traction rope 6 and the safety rope 8 penetrate through the center hole.

Referring to fig. 1-4, the lifting platform 1 comprises a platform surface which is built in the horizontal plane direction through a metal structural member; a support bracket 5 is extended and built downwards along the main guide rail 2 in the vertical direction, and the support bracket 5 and the platform surface form a T-shaped structure; lead boots 4 one dress with leading rail 2 complex and link to each other with support bracket 5 on the platform face, another dress is in the bottom that support bracket 5 downwardly extending, controls each two on leading rail 2 and leads boots 4, adorns four boots 4 of leading altogether to the realization carries out vertical direction to the vertical motion of lift platform 1.

Referring to fig. 1 to 4, in order to reduce the distance between the traction ropes 5 as much as possible, the paired traction power mechanisms 3 are attached back to a steel plate 9, and the steel plate 9 is fixed to the support bracket 5.

Referring to fig. 1-4, the safety gear 7 is mounted and fixed on the support bracket 5.

The lifting traction mechanism 3 in the embodiment is used for climbing on the traction rope 6 so as to drive the lifting platform 1 to lift, and the existing tirak structure can be adopted.

Example 2

Referring to fig. 5, the present embodiment is different from embodiment 1 in that:

one end of the traction rope 6 is fixed on the lifting platform 1, and the other end of the traction rope upwards rounds a pulley 12 fixed at the top of the well or the machine room, then downwards passes through a lifting traction device on the lifting platform 1 and is placed at the bottom of the well. The installation mode doubles the lifting traction force of the lifting platform 1, the bearing weight of the corresponding construction platform doubles, and the automatic guide rail installation system can be placed on the automatic guide rail installation system to realize automatic installation and correction of the guide rail.

The above description is a preferred embodiment of the present invention, but the present invention is not limited to the above description, and any other changes, modifications, substitutions, blocks and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and they are included in the scope of the present invention.

Claims

1. An anti-inclination vertical lifting device is characterized by comprising a lifting platform and a lifting traction device for driving the lifting platform to lift, wherein the lifting traction device comprises a traction rope and a traction power mechanism for climbing the traction rope to realize lifting driving, and the traction power mechanism is arranged on the lifting platform; the traction rope penetrates through the center of the lifting platform in the vertical direction and is connected with a traction power mechanism.

2. The tilt-resistant vertical lift device of claim 1 further comprising a safety guard comprising safety tongs and a safety rope, wherein the safety tongs are disposed on the lift platform and the safety rope is vertically threaded through the center of the lift platform.

3. The tilt-resistant vertical lift device of claim 1 wherein a load cell is disposed in said pull line, said load cell comprising a load cell for feedback protection of the pull line.

4. The anti-tilt vertical lift device of claim 1, wherein one end of said pull rope is fixed on the top of the construction site or in the machine room, and the other end is connected to a pulling power mechanism and then placed or fixed on the ground.

5. The anti-tilt vertical lift device of claim 1 wherein the pull rope is secured at one end to the lift platform and at the other end passes upwardly over a pulley secured to the top of the construction site or machine room and then downwardly through a traction power mechanism on the lift platform and then to the bottom of the hoistway.

6. The tilt-resistant vertical lift device of claim 1 wherein the lift traction devices are in two sets for increasing the safety of the lift platform.

7. The anti-tip vertical lift device of claim 6, wherein said lift platform comprises a platform surface built in a horizontal plane by metal structural members; the support bracket extends downwards along the main guide rail in the vertical direction and forms a T-shaped structure with the platform surface; one of the guide shoes matched with the main guide rails is arranged at the position, connected with the supporting bracket, of the platform surface, the other guide shoe is arranged at the bottom of the supporting bracket extending downwards, two guide shoes are respectively arranged on the left main guide rail and the right main guide rail, and four guide shoes are arranged.

8. The tilt-resistant vertical lift device of claim 7 wherein the traction mechanisms of the two sets of lift traction devices are attached back-to-back to a steel plate that is secured to the support frame.

9. The anti-tip vertical lift device of claim 2, wherein a central aperture is provided in the center of said lift platform through which said tow rope and said safety rope pass.