CN218261854U

CN218261854U - A safe lift for housing construction

Info

Publication number: CN218261854U
Application number: CN202221488516.1U
Authority: CN
Inventors: 施小虎; 王宝慈
Original assignee: Nantong Construction Group Joint Stock Co ltd
Current assignee: Nantong Construction Group Joint Stock Co ltd
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2023-01-10
Anticipated expiration: 2032-06-14

Abstract

The utility model belongs to the technical field of the lift, concretely relates to a safe lift for housing construction, include: the support body vertical installation has screw lead screw and slide bar on the support body, wherein, the screw lead screw rotates to be installed on the support body, slide bar fixed mounting be in on the support body, the screw lead screw is provided with 2 at least, the slide bar is provided with 2 at least, the workstation is installed to the screw thread on the screw lead screw, the slide bar with workstation sliding connection still be provided with actuating mechanism on the support body, actuating mechanism with the screw lead screw is connected, is used for giving the screw lead screw provides the turning force. The utility model discloses the effectual steel cable traction type and the not high problem of scissor lift security among the prior art of having solved.

Description

A safe lift for housing construction

Technical Field

The utility model belongs to the technical field of the lift, especially, relate to a safe lift for housing construction.

Background

Building hoists, also known as construction elevators or construction hoists. Generally, the transportation means for vertically transporting pedestrians or building goods on a building site is the most used vertical type people and goods transportation means in the modern building industry.

However, most of the existing elevators are of a steel cable traction type and a scissor type, wherein the steel cable traction type is easy to cause steel cable unhooking and damage of a winch, so that a hoisted hanging basket falls rapidly, and even the life risk of workers occurs; the scissor lift has the gravity center higher and higher along with the increase of the height, so that the instability of the platform end is caused, and the dumping danger is also caused. Both of these methods are dangerous.

Therefore, the design of the house building construction lifter with higher safety has very important significance.

Disclosure of Invention

The utility model provides a safe lift for housing construction to solve the not high problem of steel cable traction formula and scissor lift security among the prior art.

The utility model discloses an adopt following technical scheme to realize:

the utility model provides a safe lift for housing construction, includes the support body vertical threaded screw and the slide bar of installing on the support body, wherein, threaded screw rotates to be installed on the support body, slide bar fixed mounting is in on the support body, threaded screw is provided with 2 at least, the slide bar is provided with 2 at least, the workstation is installed to the last screw thread of threaded screw, the slide bar with workstation sliding connection still be provided with actuating mechanism on the support body, actuating mechanism with threaded screw connects, is used for threaded screw provides the turning force.

Further, the driving mechanism includes: brake motor, brake motor fixed mounting be in on the support body, the last coaxial rigid coupling of brake motor has the driving gear, the driving gear meshing has the secondary gear, the secondary gear rotates to be installed on the support body coaxial rigid coupling has tertiary gear on the secondary gear, tertiary gear meshing has the level four gear, the level four gear with the coaxial rigid coupling of screw lead screw, wherein, the diameter of driving gear all is less than secondary gear, tertiary gear and level four gear, the diameter of secondary gear is greater than the tertiary gear, the diameter of level three gear is less than the level four gear.

Furthermore, a threaded sleeve and a sliding sleeve are fixedly arranged on the workbench, wherein the threaded sleeve is in threaded connection with the threaded screw rod, and the sliding sleeve is in sliding connection with the sliding rod.

Furthermore, the support body has seted up T shape spout in the vertical direction, the side of workstation is fixed in the vertical direction and is provided with T shape draw runner, T shape draw runner with T shape spout sliding connection.

Furthermore, the height of T shape draw runner is higher than the height of workstation the top and the bottom of T shape spout all are provided with travel switch the top and the bottom of T shape draw runner all are provided with the contact head, still be provided with controller and processing module on the support body, travel switch with the processing module electricity is connected, processing module with the controller electricity is connected, the controller with the brake motor electricity is connected.

Furthermore, the side surface of the frame body is detachably provided with an inclined stay bar.

Compared with the prior art the utility model discloses following profitable technological effect has:

the utility model discloses a tow traditional steel cable formula and scissor lift device, improve to screw lead screw driven elevating gear, utilize the traditional stability of screw, can realize that the stability of workstation is slowly gone up and is stabilized slowly down, avoided the steel cable to tow unhook the dip of formula and scissor lift's high altitude rocking problem.

Specifically, the threaded screw rod can more stably transmit the workbench and the meshing is more firm through the arrangement of the threaded sleeve; through set up the slip sleeve on the workstation to and slidable mounting litter in the slip sleeve, and the slide bar is fixed on the support body, stability that can effectual increase workstation reciprocate is unlikely to like scissors fork elevating gear takes place slope and swing easily at the in-process that goes up and down.

Through the arrangement of the driving mechanism, namely the mutual meshing transmission of the driving gear, the secondary gear, the tertiary gear and the quaternary gear, the power of the brake motor can be transmitted to the rotating force of the threaded screw rod, and through the multi-stage speed reduction of the gears, the small torque of the brake motor is rotated at a high speed and is converted into the large torque of the threaded screw rod to be rotated at a low speed; through setting driving motor to brake motor, can realize the brake braking under the outage condition, further protected the workstation not to fall, improved the security.

The travel switches are arranged at the upper end and the lower end of the T-shaped sliding groove, so that the up-and-down movement of the workbench can be effectively limited; through the height with T shape draw runner, set up to the height that is higher than the workstation, can effectual realization workstation spacing in advance at the in-process that rises, avoid operating personnel's head to touch support body top.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure at a first viewing angle of the present invention;

fig. 2 is a schematic view of a three-dimensional structure at a second viewing angle of the present invention;

FIG. 3 is a schematic view of the three-dimensional structure of the working table of the present invention;

FIG. 4 is a schematic top view of the working table of the present invention;

FIG. 5 is a vertical sectional view of the frame body of the present invention;

FIG. 6 is a schematic view of the installation position of the upper travel switch of the present invention;

fig. 7 is a schematic view of the installation position of the lower travel switch of the present invention.

Description of reference numerals:

the device comprises a rack body 1, a T-shaped sliding groove 101, a workbench 2, a workbench 201, a workbench body 202, a sliding sleeve 203, a threaded sleeve 204, a T-shaped sliding strip 205, a contact head 3, a threaded screw rod 4, a sliding rod 5, a driving mechanism 501, a brake motor 502, a driving gear 502, a secondary gear 503, a tertiary gear 504, a quaternary gear 505, an inclined strut 6 and a travel switch 7.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

Fig. 1 is a schematic view of a three-dimensional structure at a first viewing angle of the present invention; fig. 2 is a schematic view of a three-dimensional structure at a second viewing angle of the present invention; FIG. 3 is a schematic view of the three-dimensional structure of the working table of the present invention; FIG. 4 is a schematic top view of the worktable of the present invention; as shown in fig. 1-4:

a safe lifter for building construction comprises a frame body 1, wherein a threaded screw rod 3 and a slide rod 4 are vertically arranged on the frame body, the threaded screw rod is rotatably arranged on the frame body through a ball bearing, the slide rod is fixedly arranged on the frame body, in the embodiment, the frame body is provided with a top plate, a bottom plate and side longitudinal beams, so that the threaded screw rod is rotatably arranged between the top plate and the bottom plate through the bearing and is parallel to the side longitudinal beams; similarly, the sliding rod 4 is also arranged between the top plate and the bottom plate, but is fixedly arranged, so that the stability of the device is ensured; in this embodiment, the threaded screw rod is provided with 2, and the slide bar is provided with 4, and workstation 2 is installed to the last screw thread of threaded screw rod, slide bar and workstation sliding connection still are provided with actuating mechanism 5 on the roof of support body, and actuating mechanism is connected with the threaded screw rod for provide the turning force for the threaded screw rod.

Specifically, the drive mechanism 5 includes: brake motor 501, brake motor fixed mounting is on the roof of support body, the last coaxial rigid coupling of brake motor has driving gear 502, the driving gear meshing has second grade gear 503, the second grade gear rotates through the pivot to be installed between the roof and the back timber of support body, coaxial rigid coupling has tertiary gear 504 on the second grade gear, tertiary gear meshing has fourth gear 505, and fourth grade gear and the coaxial rigid coupling of screw lead screw, wherein, the diameter of driving gear all is less than the second grade gear, tertiary gear and fourth grade gear, the diameter of second grade gear is greater than the tertiary gear, the diameter of tertiary gear is less than the fourth grade gear. The purpose of this arrangement is to reduce the rotational speed and increase the torque for the rotation of the threaded screw. And the driving motor is preferably a brake motor, so that the brake can be realized under the condition of power failure, the workbench is further protected from falling, and the safety is improved.

And a threaded sleeve 203 and a sliding sleeve 202 are fixedly arranged on the workbench, wherein the threaded sleeve is in threaded connection with the threaded screw rod, and the sliding sleeve is in sliding connection with the sliding rod. In this embodiment, the number of the threaded sleeves 203 is 2, and the number of the sliding sleeves is 4, and the sleeves are fixedly welded to the bottom plate of the table body. T-shaped sliding strips 204 are fixedly welded on the two side faces of the workbench body in the vertical direction, correspondingly, T-shaped sliding grooves 101 are formed in the frame body side longitudinal beams in the vertical direction, and the T-shaped sliding strips are connected with the T-shaped sliding grooves in a sliding mode, so that the vertical sliding stability of the workbench is further improved.

The height that highly is higher than the workstation of T shape draw runner, all is provided with travel switch 7 at the top and the bottom of T shape spout, all is provided with touch head 205 at the top and the bottom of T shape draw runner, still is provided with controller and processing module on the support body, and travel switch is connected with the processing module electricity, and processing module is connected with the controller electricity, and the controller is connected with the brake motor electricity. When the contact head at the upper end contacts the travel switch at the upper part, the travel switch gives an electric signal to the processing module, the processing module receives the electric signal and then sends a power-off instruction to the controller, and the controller controls the brake motor to be powered off.

The side surface of the frame body can be detachably provided with the diagonal brace 6, and the bottom end of the diagonal brace can be fixed in a binding mode through a binding screw. The bottom of the frame body can be also provided with universal wheels to facilitate movement.

This device is applicable to the high operation within 12 meters, and in this kind of height-range, it is more loaded down with trivial details to set up the scaffold frame again, if with the ladder, then hardly has the ladder of suitable height. Therefore, the lifting mechanism is utilized, and the convenience and the flexibility of the lifting mechanism can be taken into consideration while the safety is ensured.

The travel switches are arranged at the upper end and the lower end of the T-shaped sliding chute, so that the up-and-down movement of the workbench can be effectively limited; through the height with T shape draw runner, set up to the height that is higher than the workstation, can effectual realization workstation spacing in advance at the in-process that rises, avoid operating personnel's head to touch support body top.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that: the technical solutions described in the above embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a safe lift for housing construction, a serial communication port, including the support body vertical installation has screw lead screw and slide bar on the support body, wherein, the screw lead screw rotates to be installed on the support body, slide bar fixed mounting is in on the support body, the screw lead screw is provided with 2 at least, the slide bar is provided with 2 at least, the workstation is installed to screw lead screw upper thread, the slide bar with workstation sliding connection still is provided with actuating mechanism on the support body, actuating mechanism with screw lead screw connects, is used for giving the screw lead screw provides the turning force.

2. A safety hoist for building construction according to claim 1, characterized in that the drive mechanism comprises: brake motor, brake motor fixed mounting be in on the support body, the last coaxial rigid coupling of brake motor has the driving gear, the driving gear meshing has the secondary gear, the secondary gear rotates to be installed on the support body coaxial rigid coupling has tertiary gear on the secondary gear, tertiary gear meshing has the level four gear, the level four gear with the coaxial rigid coupling of screw lead screw, wherein, the diameter of driving gear all is less than secondary gear, tertiary gear and level four gear, the diameter of secondary gear is greater than the tertiary gear, the diameter of level three gear is less than the level four gear.

3. A safety hoist for building construction according to claim 2 is characterized in that a threaded sleeve and a sliding sleeve are fixedly arranged on the working platform, wherein the threaded sleeve is in threaded connection with the threaded screw rod, and the sliding sleeve is in sliding connection with the sliding rod.

4. The safety elevator for house building construction according to claim 3, characterized in that the frame body is provided with a T-shaped sliding groove in the vertical direction, a T-shaped sliding bar is fixedly arranged on the side surface of the workbench in the vertical direction, and the T-shaped sliding bar is connected with the T-shaped sliding groove in a sliding manner.

5. The safety elevator for house building construction according to claim 4, wherein the height of the T-shaped sliding bar is higher than that of the workbench, travel switches are arranged at the top and the bottom of the T-shaped sliding groove, contact heads are arranged at the top and the bottom of the T-shaped sliding bar, a controller and a processing module are further arranged on the frame body, the travel switches are electrically connected with the processing module, the processing module is electrically connected with the controller, and the controller is electrically connected with the brake motor.

6. A safety hoist for use in building construction according to claim 1 wherein the side of the frame body is removably fitted with diagonal braces.