Portable material lifting frame for construction site construction

Abstract

The utility model provides a portable material lifting frame for construction site construction. The portable material lifting frame comprises a lifting support, a supporting plate is fixedly connected to the left end of the lifting support, a lifting mechanism is fixedly connected to the bottom of the supporting plate, an adjusting mechanism is fixedly connected to the bottom of the lifting mechanism, and a hook is fixedly connected to the bottom of the adjusting mechanism. The lifting mechanism is arranged, a contact rod and a rotating wheel are matched to drive a winding roller to rotate, so that construction materials are moved, automatic hoisting is achieved, the use convenience of the hoisting frame is improved, an industrial camera and an alarm are matched to remind constructors to leave, and the equipment safety is improved. By arranging the adjusting mechanism, the rotating speed of the second motor is controlled through the frequency converter, the situation that large errors exist during hook adjustment and the later lifting effect is affected is prevented, then the distance between the hooks is adjusted through cooperation of an arc-shaped sliding groove and a second sliding rod, the requirements of different materials are met, and use convenience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lifting frames, in particular to a convenient material lifting frame used for construction sites. Background Art

[0002] In the construction process of a building project, it is often necessary to put building materials on the ground into containers and then manually lift them to the upper part of the building with ropes for use during construction. For this purpose, a convenient material lifting frame for construction site is provided.

[0003] During use of the existing lifting frame, materials are usually lifted by manually pulling ropes, which is troublesome and inconvenient to use. During the lifting process, some construction workers usually stand under the lifting frame, and it is difficult for some equipment to send out alarms to remind the construction workers, which poses certain safety hazards. During use of the existing lifting frame, the hook spacing is usually adjusted manually, which is inconvenient to use. During the adjustment process, it is difficult to adjust the adjustment speed of some equipment, which may cause errors in the adjustment process and affect the lifting effect. Utility Model Content

[0004] In order to solve the above problems, the utility model discloses a convenient material lifting frame for construction site.

[0005] The specific plan is as follows:

[0006] A convenient material lifting frame for construction site, the device comprises a lifting bracket, a support plate is fixedly connected to the left end of the lifting bracket, a lifting mechanism is fixedly connected to the bottom of the support plate, an adjustment mechanism is fixedly connected to the bottom of the lifting mechanism, and a hook is fixedly connected to the bottom of the adjustment mechanism;

[0007] The lifting mechanism includes an installation box, the bottom of the support plate is fixedly connected to the installation box; a fixed plate, the installation box is fixedly connected to the fixed plate; a first motor, the rear of the right end of the fixed plate is fixedly connected to the first motor; a first turntable, the output shaft of the left end of the first motor is fixedly connected to the first turntable; a contact rod, the upper left end of the first turntable is fixedly connected to the contact rod; a rotating wheel, the center of the left end of the fixed plate is rotatably connected to the rotating wheel; a connecting rod, the right end of the rotating wheel is fixedly connected to the connecting rod; a winding roller, the right end of the connecting rod is fixedly connected to the winding roller; a pull rope, the outer wall of the winding roller is wrapped with a pull rope.

[0008] Preferably, the lifting mechanism also includes a first connecting plate, to which the front end of the installation box is fixedly connected; an industrial camera, to which the front end of the bottom of the first connecting plate is fixedly connected; and an alarm, to which the front end of the top of the first connecting plate is fixedly connected.

[0009] Preferably, the adjusting mechanism includes a second connecting plate, the bottom of the pull rope is fixedly connected to the second connecting plate; a fixing rod, and the front and rear ends of the bottom of the second connecting plate are fixedly connected to the fixing rod; a bottom plate, the bottom of the fixing rod is fixedly connected to the bottom plate; a third connecting plate, the left end of the bottom plate is fixedly connected to the third connecting plate; a second motor, the left end of the bottom of the third connecting plate is fixedly connected to the second motor; a second turntable, the top output shaft of the second motor is fixedly connected to the second turntable; a rotating rod, the top right end of the second turntable is fixedly connected to the rotating rod; a slide rod, the outer wall of the rotating rod is slidably connected to the slide rod; a limit block, the top center of the third connecting plate is fixedly connected to the limit block; a first sliding rod, the right end of the slide rod is fixedly connected to the first sliding rod; a sliding plate, the right end of the first sliding rod is fixedly connected to the sliding plate, and the bottom of the sliding plate is slidably connected to the left end of the top of the bottom plate.

[0010] Preferably, the adjustment mechanism also includes a second sliding rod, and the right end of the sliding plate is slidably connected to the second sliding rod; an arc-shaped sliding groove, and the bottom of the second sliding rod is slidably connected to the arc-shaped sliding groove; a frequency converter, and the right front end of the top of the base plate is fixedly connected to the frequency converter.

[0011] Preferably, the first sliding rod passes through the limiting block and is slidably connected inside the limiting block, and the frequency converter is electrically connected to the second motor.

[0012] Preferably, the right end of the winding roller is rotatably connected to the right end inside the installation box, and the industrial camera is electrically connected to the alarm.

[0013] Preferably, the contact rod is in contact with the rotating wheel, and the connecting rod passes through the fixing plate and is rotatably connected inside the fixing plate.

[0014] Preferably, the second sliding rods are provided in three groups, and the two groups of second sliding rods at the front and rear of the bottom plate are both slidably connected to the right end of the sliding plate, the arc-shaped sliding grooves are provided in two groups, and a vertical sliding groove is provided at the top center of the bottom plate.

[0015] The beneficial effects of the utility model are:

[0016] 1. By setting up a lifting mechanism, the contact rod and the rotating wheel are used to drive the winding roller to rotate, so that the construction materials can be moved, automatic lifting can be achieved, and the convenience of using the lifting frame can be improved. Then, through the cooperation of industrial cameras and alarms, construction workers can be reminded to leave, thereby improving equipment safety.

[0017] 2. By setting up an adjustment mechanism and controlling the speed of the second motor through a frequency converter, large errors can be prevented when adjusting the hook, which will affect the subsequent lifting effect. The hook spacing can then be adjusted through the cooperation of the arc-shaped slide groove and the second sliding rod to adapt to the requirements of different materials and improve ease of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model lifting bracket;

[0019] Figure 2 This is a schematic diagram of the three-dimensional exploded structure of the lifting mechanism of the utility model;

[0020] Figure 3 This is a three-dimensional structural diagram of the adjustment mechanism of the utility model;

[0021] Figure 4 It is a schematic diagram of the structure of the adjusting mechanism of the utility model when viewed from above.

[0022] Among them: lifting bracket-1, support plate-2, lifting mechanism-3, installation box-31, fixed plate-32, first motor-33, first turntable-34, contact rod-35, rotating wheel-36, connecting rod-37, winding roller-38, pull rope-39, first connecting plate-310, industrial camera-311, alarm-312, adjustment mechanism-4, second connecting plate-41, fixed rod-42, bottom plate-43, third connecting plate-44, second motor-45, second turntable-46, rotating rod-47, slide groove rod-48, limit block-49, first sliding rod-410, sliding plate-411, second sliding rod-412, arc slide groove-413, inverter-414, hook-5. DETAILED DESCRIPTION

[0023] The present invention will be further described below in conjunction with the accompanying drawings and specific implementations. It should be understood that the following specific implementations are only used to illustrate the present invention and are not used to limit the scope of the present invention. Example

[0024] See also Figure 1~Figure 2 The utility model is a convenient material lifting frame for construction sites, comprising a lifting bracket 1, a support plate 2 is fixedly connected to the left end of the lifting bracket 1, a lifting mechanism 3 is fixedly connected to the bottom of the support plate 2, an adjusting mechanism 4 is fixedly connected to the bottom of the lifting mechanism 3, and a hook 5 is fixedly connected to the bottom of the adjusting mechanism 4;

[0025] The lifting mechanism 3 includes an installation box 31 . The bottom of the support plate 2 is fixedly connected with the installation box 31 . A fixing plate 32 is fixedly connected inside the installation box 31 . The fixing plate 32 is convenient for fixing and installing the first motor 33 .

[0026] A first motor 33 is fixedly connected to the rear of the right end of the fixing plate 32 , and a first rotating disk 34 is fixedly connected to the output shaft of the left end of the first motor 33 , so that the first motor 33 can drive the first rotating disk 34 to rotate.

[0027] A contact rod 35 is fixedly connected to the upper left end of the first rotating disk 34 , and a rotating wheel 36 is rotatably connected to the center of the left end of the fixed plate 32 , so that the contact rod 35 can drive the rotating wheel 36 to rotate.

[0028] The right end of the rotating wheel 36 is fixedly connected to a connecting rod 37 , and the right end of the connecting rod 37 is fixedly connected to a winding roller 38 . A pull rope 39 is wound around the outer wall of the winding roller 38 , and the winding roller 38 is convenient for winding up the pull rope 39 .

[0029] A first connecting plate 310 is fixedly connected to the front end of the installation box 31 , and an industrial camera 311 is fixedly connected to the front end of the bottom of the first connecting plate 310 . The industrial camera 311 is convenient for photographing the conditions below the lifting bracket 1 .

[0030] An alarm 312 is fixedly connected to the front end of the top of the first connecting plate 310 , and the right end of the winding roller 38 is rotatably connected to the right end inside the installation box 31 . The alarm 312 is convenient for reminding construction workers to stay away from the lifting bracket 1 .

[0031] The industrial camera 311 is electrically connected to the alarm 312 , the contact rod 35 is in contact with the rotating wheel 36 , and the connecting rod 37 penetrates the fixing plate 32 and is rotatably connected therein.

[0032] The working principle of a convenient material lifting frame for construction site based on the first embodiment is:

[0033] After the construction materials are placed through the hook 5, the first motor 33 is started, the first motor 33 drives the first turntable 34 to rotate, the first turntable 34 drives the contact rod 35 to rotate, so that the contact rod 35 contacts the rotating wheel 36 and drives the rotating wheel 36 to rotate, the rotating wheel 36 drives the connecting rod 37 to rotate, the connecting rod 37 drives the winding roller 38 to rotate, the winding roller 38 winds the pull rope 39, the pull rope 39 drives the hook 5 to move upward through the adjustment mechanism 4, the hook 5 drives the construction materials to move upward, so as to lift the construction materials, realize automatic lifting, and improve the convenience of using the lifting frame, and in the lifting project, the industrial camera 311 is used to shoot the situation below the lifting bracket 1, when the industrial camera 311 detects that the construction worker is below the lifting bracket 1, the industrial camera 311 transmits an electrical signal to the alarm 312, so that the alarm 312 sounds an alarm to remind the construction worker to leave, thereby improving the safety of the equipment. Example

[0034] See also Figure 3~Figure 4 The utility model is a convenient material lifting rack for construction sites. Compared with the first embodiment, the present embodiment also includes: an adjusting mechanism 4, the adjusting mechanism 4 includes a second connecting plate 41, the bottom of the pull rope 39 is fixedly connected with the second connecting plate 41, and the second connecting plate 41 is convenient for fixing and installing the fixing rod 42.

[0035] The second connecting plate 41 is fixedly connected to fixing rods 42 at both the front and rear ends of the bottom. The bottom of the fixing rods 42 is fixedly connected to a bottom plate 43 . The fixing rods 42 are convenient for fixing and installing the bottom plate 43 .

[0036] The left end of the bottom plate 43 is fixedly connected to a third connecting plate 44 , and the left end of the bottom of the third connecting plate 44 is fixedly connected to a second motor 45 , so that the second motor 45 can drive the second rotating disk 46 to rotate.

[0037] A second rotating disk 46 is fixedly connected to the output shaft at the top of the second motor 45 , and a rotating rod 47 is fixedly connected to the right end of the top of the second rotating disk 46 . The second rotating disk 46 is convenient for driving the rotating rod 47 to rotate.

[0038] The outer wall of the rotating rod 47 is slidably connected to the sliding groove rod 48, the top center of the third connecting plate 44 is fixedly connected to the limiting block 49, and the right end of the sliding groove rod 48 is fixedly connected to the first sliding rod 410. The rotating rod 47 can easily drive the first sliding rod 410 to move in the limiting block 49 through the sliding groove rod 48.

[0039] The right end of the first sliding rod 410 is fixedly connected to a sliding plate 411, and the bottom of the sliding plate 411 is slidingly connected to the left end of the top of the bottom plate 43, the right end of the sliding plate 411 is slidingly connected to a second sliding rod 412, and the bottom of the second sliding rod 412 is slidingly connected to an arc-shaped sliding groove 413, and the arc-shaped sliding groove 413 facilitates the movement of the second sliding rod 412 at the front and rear ends of the top of the bottom plate 43.

[0040] A frequency converter 414 is fixedly connected to the right front end of the top of the bottom plate 43 , the first sliding rod 410 passes through the limit block 49 and is slidably connected therein, and the frequency converter 414 is electrically connected to the second motor 45 , and the frequency converter 414 is convenient for controlling the rotation speed of the second motor 45 .

[0041] There are three groups of second sliding rods 412, and the front and rear groups of second sliding rods 412 of the bottom plate 43 are slidably connected to the right end of the sliding plate 411, there are two groups of arc-shaped sliding grooves 413, and a vertical sliding groove is provided at the top center of the bottom plate 43, and a hook 5 is fixedly connected to the bottom of the second sliding rod 412.

[0042] In this embodiment:

[0043] When the distance between the hooks 5 needs to be adjusted, the second motor 45 is started, the second motor 45 drives the second turntable 46 to rotate, the second turntable 46 drives the rotating rod 47 to rotate, the rotating rod 47 drives the first sliding rod 410 to move rightward in the limit block 49 through the slide groove rod 48, the first sliding rod 410 drives the sliding plate 411 to move rightward, the sliding plate 411 drives the second sliding rod 412 to move rightward, the second sliding rods 412 at the front and rear ends of the top of the bottom plate 43 are affected by the arc-shaped slide groove 413 to make relative motion, and the second sliding rod 412 drives the two groups of hooks 5 to make relative motion, so as to adjust the distance between the hooks 5, adapt to the requirements of different materials, and improve the convenience of use. When the second motor 45 is working, the speed of the second motor 45 is controlled by the inverter 414 to prevent large errors in the adjustment of the hooks 5 and affect the later lifting effect.

[0044] The utility model provides a convenient material lifting rack for construction sites through improvement, wherein a lifting mechanism 3 is provided, and a winding roller 38 is driven to rotate through the cooperation of a contact rod 35 and a rotating wheel 36, so that construction materials are moved, automatic lifting is realized, and the convenience of using the lifting rack is improved, and then the cooperation of an industrial camera 311 and an alarm 312 is used to remind construction workers to leave, thereby improving the safety of the equipment; an adjusting mechanism 4 is provided, and the speed of a second motor 45 is controlled by a frequency converter 414 to prevent a large error in adjusting the hook 5, thereby affecting the later lifting effect; and then the spacing between the hooks 5 is adjusted through the cooperation of an arc-shaped slide groove 413 and a second sliding rod 412 to adapt to different material requirements and improve convenience of use.

[0045] The above shows and describes the basic principle, main features and advantages of the utility model, and the standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt mature conventional means such as bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

Claims

1. A portable material lifting rack for construction site, characterized in that: It comprises a lifting bracket, the left end of which is fixedly connected to a support plate, the bottom of which is fixedly connected to a lifting mechanism, the bottom of which is fixedly connected to an adjustment mechanism, and the bottom of which is fixedly connected to a hook; The lifting mechanism includes an installation box, the bottom of the support plate is fixedly connected to the installation box; a fixed plate, the installation box is fixedly connected to the fixed plate; a first motor, the rear of the right end of the fixed plate is fixedly connected to the first motor; a first turntable, the output shaft of the left end of the first motor is fixedly connected to the first turntable; a contact rod, the upper left end of the first turntable is fixedly connected to the contact rod; a rotating wheel, the center of the left end of the fixed plate is rotatably connected to the rotating wheel; a connecting rod, the right end of the rotating wheel is fixedly connected to the connecting rod; a winding roller, the right end of the connecting rod is fixedly connected to the winding roller; a pull rope, the outer wall of the winding roller is wrapped with a pull rope.

2. A portable material lifting stand for construction site according to claim 1, characterized in that: The lifting mechanism also includes a first connecting plate, to which the front end of the installation box is fixedly connected; an industrial camera, to which the front end of the bottom of the first connecting plate is fixedly connected; and an alarm, to which the front end of the top of the first connecting plate is fixedly connected.

3. A portable material lifting stand for construction site according to claim 2, characterized in that: The adjusting mechanism comprises a second connecting plate, the bottom of the pull rope is fixedly connected to the second connecting plate; a fixing rod, and the front and rear ends of the bottom of the second connecting plate are fixedly connected to the fixing rod; a bottom plate, the bottom of the fixing rod is fixedly connected to the bottom plate; a third connecting plate, the left end of the bottom plate is fixedly connected to the third connecting plate; a second motor, the left end of the bottom of the third connecting plate is fixedly connected to the second motor; a second turntable, the top output shaft of the second motor is fixedly connected to the second turntable; a rotating rod, the top right end of the second turntable is fixedly connected to the rotating rod; a slide groove rod, the outer wall of the rotating rod is slidably connected to the slide groove rod; a limit block, the top center of the third connecting plate is fixedly connected to the limit block; a first sliding rod, the right end of the slide groove rod is fixedly connected to the first sliding rod; a sliding plate, the right end of the first sliding rod is fixedly connected to the sliding plate, and the bottom of the sliding plate is slidably connected to the left end of the top of the bottom plate.

4. The portable material lifting frame for construction site according to claim 3, characterized in that: The adjustment mechanism also includes a second sliding rod, and the right end of the sliding plate is slidably connected to the second sliding rod; an arc-shaped sliding groove, and the bottom of the second sliding rod is slidably connected to the arc-shaped sliding groove; a frequency converter, and the right front end of the top of the base plate is fixedly connected to the frequency converter.

5. The portable material lifting frame for construction site according to claim 4, characterized in that: The first sliding rod passes through the limiting block and is slidably connected inside the limiting block, and the frequency converter is electrically connected to the second motor.

6. The portable material lifting frame for construction site according to claim 5, characterized in that: The right end of the winding roller is rotatably connected to the right end of the installation box, and the industrial camera is electrically connected to the alarm.

7. The portable material lifting frame for construction site according to claim 6, characterized in that: The contact rod is in contact with the rotating wheel, and the connecting rod penetrates the fixing plate and is rotatably connected inside the fixing plate.

8. The portable material lifting frame for construction site according to claim 7, characterized in that: The second sliding rods are provided in three groups, and the two groups of second sliding rods at the front and rear of the bottom plate are both slidably connected to the right end of the sliding plate. The arc-shaped sliding grooves are provided in two groups, and a vertical sliding groove is provided at the top center of the bottom plate.

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