CN113493169A

CN113493169A - Small-size building site is with portable equipment of lifting by crane

Info

Publication number: CN113493169A
Application number: CN202111046437.5A
Authority: CN
Inventors: 厉夫峰; 张自永; 黄传宝
Original assignee: Xuzhou Dongte Heavy Industry Technology Co Ltd
Current assignee: Xuzhou Dongte Heavy Industry Technology Co Ltd
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2021-10-12

Abstract

The invention discloses portable lifting equipment for a small-sized construction site, which belongs to the technical field of building construction equipment and comprises a support assembly, a power assembly and a multifunctional assembly, wherein the power assembly is fixedly arranged on the support assembly, the multifunctional assembly is rotatably arranged on the support assembly, and the power assembly is used for driving a sliding arc plate to rotate.

Description

Small-size building site is with portable equipment of lifting by crane

Technical Field

The invention relates to the technical field of building construction equipment, in particular to portable lifting equipment for a small construction site.

Background

Hoisting equipment is indispensable equipment in the building industry, and current hoisting equipment has bulky, moves the problem of difficulty, and the danger that still can appear toppling over if the base is insecure, prior art (CN 202022441240.9) relates to a portable crane, and it includes two tracks, can be in the base that slides on the track, install be used for on the base with the base location on the track positioner, rotate the davit of installing on the base, and install the hoist mechanism on the davit, the one end slope of davit sets up, hoist mechanism installs on the other end of davit, and the output overlap joint of hoist mechanism is on the tip that the davit slope is up. The portable lifting equipment for the small construction site has a deformable function, can be switched between a walking device and a lifting device, and achieves the technical effect of portability.

Disclosure of Invention

Aiming at the technical problems, the technical scheme adopted by the invention is as follows: a portable lifting device for a small construction site comprises a support assembly, a power assembly and a multifunctional assembly, wherein the power assembly is arranged on the support assembly; the multifunctional assembly is rotatably arranged on the supporting assembly, the supporting assembly comprises sliding arc plates, a shaft sleeve, a fixed shaft and a control assembly, sliding columns vertical to the axis of the fixed shaft are uniformly distributed at two ends of the fixed shaft, the sliding arc plates are slidably arranged on the sliding columns, a plurality of sliding arc plates are contacted to form a closed circular ring, an elastic ring is sleeved on the outer side of each sliding arc plate, and the sliding arc plates are connected with the shaft sleeve slidably arranged on the fixed shaft through connecting rods; the control assembly is connected with the shaft sleeve and used for controlling the sliding of the connecting rod on the fixed shaft; the multifunctional component comprises a rotating rod and a rotating cylinder, the rotating cylinder is rotatably arranged at the first end of the rotating rod, the second end of the rotating rod is rotatably arranged on the supporting component, and the power component is used for driving the rotating cylinder to rotate.

Further, the supporting component still include the mounting panel, fixed axle fixed mounting at the first end of mounting panel, the bull stick rotate and install the second end at the mounting panel, the side fixed mounting of mounting panel have the lifting cylinder, the expansion end of lifting cylinder rotate with the bull stick and be connected, the equal fixed mounting of control assembly and power component on the mounting panel.

Further, the control assembly include rack, dial the circle and rotate and install on the axle sleeve, dial circle and rack fixed connection, rack slidable mounting is on the mounting panel, two racks and the control gear of rotation installation in the middle of the rack form the rack and pinion cooperation, the control gear passes through gear shaft and carousel fixed connection, the control motor passes through driver plate control carousel intermittent type and rotates.

Furthermore, the power assembly comprises a driving part and a driven part, the driven part comprises a second gear, the second gear is rotatably mounted on the mounting plate, the driving rotating wheel is coaxially and fixedly connected with the second gear, the driving rotating wheel forms belt transmission with the rotary drum through a first belt, the second gear forms gear transmission with the first gear, the first gear is rotatably mounted on the mounting plate, and the worm wheel is coaxially and fixedly connected with the first gear.

Furthermore, the driving part include pedal, worm, pivot, the pedal rotate and install on the bearing frame, bearing frame fixed mounting is on the mounting panel, the pedal passes through belt drive mode drive second band pulley and rotates, second band pulley rotate and install on the mounting panel, pivot slidable mounting is on the second band pulley, the coaxial fixed mounting of driving gear is in the pivot, the pivot is rotated and is installed on the rotating turret, still rotates on the rotating turret and installs the worm, the axle of worm and pivot be connected through a pair of bevel gear of intermeshing, the rotating turret rotate and install on micromatic setting.

Further, the fine-tuning device include support, regulating wheel, lead screw, slide bar, lead screw and slide bar fixed mounting on the rotating turret, the regulating wheel forms screw-thread fit with the lead screw, the regulating wheel rotates and installs on the support, slide bar slidable mounting is on the support, the support slidable mounting is on the mounting panel under the drive of pneumatic cylinder.

Further, the multifunctional assembly further comprises a roller, the roller is coaxially and fixedly installed on the rotary drum, the rope is wound on the roller, a baffle plate used for fixing the end portion of the rope is arranged on the roller, the baffle plate is fixedly installed on the roller, and a hook is arranged at the end portion of the rope used for lifting.

Further, the inside magnet, spring, the electro-magnet that is equipped with of rotary drum, the electro-magnet setting in the middle part of rotary drum, magnet passes through the spring mounting at the both ends of electro-magnet, the electro-magnet is used for adsorbing the magnet of its both sides, realizes turning.

Compared with the prior art, the invention has the beneficial effects that: (1) the multifunctional assembly can be used as a travelling wheel or a lifting wheel, so that the whole device has multiple functions and is more portable; (2) the support assembly realizes the deformation of the wheels by controlling the sliding of the sliding arc plate, realizes the support during the lifting and greatly improves the safety; (3) the steering device realizes steering by utilizing the counterforce of the spring, and has the advantages of simple structure, convenient operation and strong practicability.

Drawings

FIG. 1 is a schematic top view of the present invention.

FIG. 2 is a schematic top view of the present invention.

FIG. 3 is a schematic view of the whole structure of the drum and the roller after cutting.

Fig. 4 is a left side view structure diagram of the power assembly of the present invention.

FIG. 5 is a right side view structure of the power assembly of the present invention.

FIG. 6 is a schematic view of a support assembly according to the present invention.

FIG. 7 is a schematic view of a portion of the support assembly of the present invention.

Fig. 8 is a schematic view of the dial structure of the present invention.

FIG. 9 is a schematic view of the power assembly of the present invention.

Reference numerals: 101-a support assembly; 102-a power assembly; 103-a multifunctional component; 104-sliding arc plate; 105-an elastic ring; 106-connecting rod; 107-shaft sleeve; 108-a fixed shaft; 109-a control component; 110-a mounting plate; 111-a driving wheel; 112-a first belt; 113-a lifting cylinder; 114-a turn bar; 115-a rotating drum; 116-a roller; 117-a cord; 118-a baffle; 119-a magnet; 120-a spring; 121-an electromagnet; 122-a seat; 123-a second belt; 124-a first pulley; 125-bearing seat; 126-pedal; 127-a support; 128-a regulating wheel; 129-hydraulic cylinder; 130-a lead screw; 131-a slide bar; 132-a worm; 133-a turret; 134-a worm gear; 135-a first gear; 136-a second gear; 137-a drive gear; 138-a rotating shaft; 139-a second pulley; 140-control the motor; 141-motor support; 142-a turntable; 143-a dial; 144-a fixed cover plate; 145-rack; 146-a gear shaft; 147-a control gear; 148-dial ring.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Example (b): as shown in fig. 1, 2 and 3, the portable lifting device for small construction sites comprises a supporting component 101, a power component 102 and a multifunctional component 103, wherein the power component 102 is fixedly installed on the supporting component 101, the multifunctional component 103 is rotatably installed on the supporting component 101, and the power component 102 is used for driving the multifunctional component 103 to rotate.

As shown in fig. 1, 2, and 7, the supporting assembly 101 includes a mounting plate 110, a fixed shaft 108 is fixedly mounted at an end of the mounting plate 110, two ends of the fixed shaft 108 are respectively and uniformly provided with a sliding column perpendicular to an axis of the fixed shaft 108, a sliding arc plate 104 is slidably mounted on the sliding column of the fixed shaft 108, in this embodiment, two ends of the fixed shaft 108 are respectively provided with four sliding columns and a sliding arc plate 104, the four sliding arc plates 104 are in contact with each other to form a closed ring, an elastic ring 105 is sleeved on outer sides of the four sliding arc plates 104, a shaft sleeve 107 is slidably mounted on the fixed shaft 108, a first end of a connecting rod 106 is hinged to the shaft sleeve 107, a second end of the connecting rod 106 is hinged to the sliding arc plate 104, a dial 148 is rotatably mounted on the shaft sleeve 107, and a control assembly 109 drives the shaft sleeve 107 to slide on the fixed shaft 108 through the dial 148.

As shown in fig. 6 and 7, the control assembly 109 is fixedly mounted on the mounting plate 110, the rack 145 in the control assembly 109 is slidably mounted on the mounting plate 110, the rack 145 is fixedly connected with the dial ring 148, the control gear 147 is rotatably mounted on the mounting plate 110, the two racks 145 are opposite in tooth form, the control gear 147 and the two racks 145 simultaneously form a rack-and-pinion transmission, the rotary disc 142 is coaxially and fixedly connected with the control gear 147 through the gear shaft 146, the fixed cover plate 144 is fixedly mounted on the mounting plate 110, the rotary disc 142 is rotatably mounted on the fixed cover plate 144, the motor bracket 141 is fixedly mounted on the fixed cover plate 144, the dial 143 is rotatably mounted on the motor bracket 141, the control motor 140 is fixedly mounted on the motor bracket 141, the dial 143 is coaxially and fixedly mounted on the output shaft of the control motor 140, and the dial 143 is used for driving the rotary disc 142 to rotate intermittently.

As shown in fig. 2 and 3, the multifunctional module 103 is rotatably mounted on the mounting plate 110 through one end of the rotating rod 114, a lifting cylinder 113 is fixedly mounted on a side surface of the mounting plate 110, a movable end of the lifting cylinder 113 is rotatably mounted on the rotating rod 114, the rotating drum 115 is rotatably mounted at the other end of the rotating rod 114, the roller 116 is coaxially and fixedly mounted on the rotating drum 115, the rope 117 is wound on the roller 116, the baffle 118 is fixedly mounted on the roller 116, the baffle 118 is used for fixing an end of the rope 117, a hook is arranged at an end of the rope 117 for lifting, a magnet 119, a spring 120 and an electromagnet 121 are arranged inside the rotating drum 115, the electromagnet 121 is fixedly mounted in the middle of the rotating drum 115, a first end of the electromagnet 121 is fixedly mounted on the electromagnet 121, and the magnet 119 is fixedly mounted at a second end of the spring 120.

As shown in fig. 1, 2, 4, and 5, the power assembly 102 drives the driving wheel 111 to rotate, the first belt 112 is disposed outside the driving wheel 111 and the drum 115, the first belt 112 forms a belt transmission with the driving wheel 111 and the drum 115, the second gear 136 of the power assembly 102 is rotatably mounted on the mounting plate 110, the second gear 136 is coaxially and fixedly connected with the driving wheel 111, the first gear 135 forms a gear transmission with the second gear 136, the first gear 135 is rotatably mounted on the mounting plate 110, the first gear 135 is coaxially and fixedly connected with the second gear 136, the seat 122 is fixedly mounted on the mounting plate 110, the foot rest 126 is fixedly connected with the first pulley 124, the first pulley 124 is rotatably mounted on the bearing seat 125, the bearing seat 125 is fixedly mounted on the mounting plate 110, the first pulley 124 forms a belt transmission with the second pulley 139 through the second belt 123, the second pulley 139 is rotatably mounted on the mounting plate 110, the rotating shaft 138 is slidably mounted on the second belt wheel 139, the driving gear 137 is coaxially and fixedly mounted on the rotating shaft 138, the rotating shaft 138 is rotatably mounted on the rotating frame 133, the worm 132 is rotatably mounted on the rotating frame 133, the rotating shaft 138 drives the worm 132 to rotate through a pair of mutually meshed bevel gears, the screw rod 130 and the sliding rod 131 are fixedly mounted on the rotating frame 133, the adjusting wheel 128 and the screw rod 130 form threaded fit, the adjusting wheel 128 is rotatably mounted on the bracket 127, the sliding rod 131 is slidably mounted on the bracket 127, the bracket 127 is slidably mounted on the mounting plate 110, the bracket 127 is fixedly connected with the movable end of the hydraulic cylinder 129, and the hydraulic cylinder 129 is fixedly mounted on the mounting plate 110.

The working principle of the portable hoisting equipment for the small construction site disclosed by the invention is as follows: the portable lifting equipment for small construction sites disclosed by the invention has two working modes, the first mode is that under the state that the multifunctional component 103 is shown in figure 1, an operator sits on the seat 122, pedals the pedal 126 with pedals, drives the second belt wheel 139 to rotate through the second belt 123 and the first belt wheel 124, at the moment, under the action of the hydraulic cylinder 129, the driving gear 137 is meshed with the second gear 136, the driving gear 137 drives the second gear 136 to rotate, the second gear 136 drives the driving rotating wheel 111 to rotate, the driving rotating wheel 111 drives the rotating drum 115 to rotate through the first belt 112, the rotating drum 115 drives the roller 116 to rotate, at the moment, the portable lifting equipment for small construction sites walks on the ground in a three-wheel mode, the electromagnet 121 in the rotating drum 115 can control two end surfaces to be independently electrified, when one surface is electrified, the magnet 119 close to the one surface is attracted and then powered off, under the counterforce of the spring 120, realizing the turning of the equipment; the second form is used for lifting heavy objects, at this time, the rotating rod 114 is lifted under the action of the lifting cylinder 113, the worm wheel 134 and the worm 132 form worm wheel and worm transmission under the action of the hydraulic cylinder 129, the driving roller 116 rotates, the lifting of the heavy objects is realized by using the rope 117, the purpose of the worm wheel and worm transmission is to utilize the self-locking characteristic thereof to increase the lifting safety of the equipment, meanwhile, the control motor 140 in the control assembly 109 is started, the control gear 147 slides to two sides of the mounting plate 110, the shaft sleeve 107 is driven to slide on the fixed shaft 108 while sliding, the shaft sleeve 107 drives the sliding arc plate 104 to open through the connecting rod 106, and the purpose of enabling the device to be more stable is achieved.

The present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make various modifications without creative efforts from the above-described conception and fall within the scope of the present invention.

Claims

1. The utility model provides a small-size building site is with portable equipment of lifting by crane, includes supporting component, power component, multi-functional subassembly, its characterized in that: the power assembly is arranged on the support assembly; the multifunctional component is rotatably arranged on the supporting component;

the supporting assembly comprises sliding arc plates, a shaft sleeve, a fixed shaft and a control assembly, sliding columns perpendicular to the axis of the fixed shaft are uniformly distributed at two ends of the fixed shaft, the sliding arc plates are slidably mounted on the sliding columns, a plurality of sliding arc plates are contacted together to form a closed ring, an elastic ring is sleeved on the outer side of each sliding arc plate, and the sliding arc plates are connected with the shaft sleeve slidably mounted on the fixed shaft through connecting rods; the control assembly is connected with the shaft sleeve and used for controlling the sliding of the connecting rod on the fixed shaft; the multifunctional component comprises a rotating rod and a rotating cylinder, the rotating cylinder is rotatably arranged at the first end of the rotating rod, the second end of the rotating rod is rotatably arranged on the supporting component, and the power component is used for driving the rotating cylinder to rotate.

2. The portable lifting apparatus for small construction sites according to claim 1, wherein: the supporting component still include the mounting panel, fixed axle fixed mounting in the first end of mounting panel, the bull stick rotate and install the second end at the mounting panel, the side fixed mounting of mounting panel have the lifting cylinder, the expansion end of lifting cylinder rotate with the bull stick and be connected, the equal fixed mounting of control assembly and power component on the mounting panel.

3. The portable lifting apparatus for small construction sites according to claim 2, wherein: the control assembly comprises a rack and a shifting ring, the shifting ring is rotatably arranged on the shaft sleeve and fixedly connected with the rack, the rack is slidably arranged on the mounting plate, two racks and a control gear rotatably arranged in the middle of the rack form a gear-rack fit, the control gear is fixedly connected with the turntable through a gear shaft, and the control motor controls the turntable to rotate intermittently through a drive plate.

4. The portable lifting apparatus for small construction sites according to claim 2, wherein: the power assembly comprises a driving part and a driven part, the driven part comprises a second gear, the second gear is rotatably mounted on the mounting plate, the driving rotating wheel is coaxially and fixedly connected with the second gear, the driving rotating wheel forms belt transmission with the rotary drum through a first belt, the second gear forms gear transmission with the first gear, the first gear is rotatably mounted on the mounting plate, and the worm wheel is coaxially and fixedly connected with the first gear.

5. The portable lifting apparatus for small construction sites according to claim 4, wherein: the drive part include pedal, worm, pivot, the pedal rotate and install on the bearing frame, bearing frame fixed mounting is on the mounting panel, the pedal passes through belt drive mode drive second band pulley and rotates, the second band pulley rotate and install on the mounting panel, pivot slidable mounting is on the second band pulley, the coaxial fixed mounting of driving gear is in the pivot, the pivot is rotated and is installed on the rotating turret, still rotates on the rotating turret and installs the worm, the axle of worm and pivot be connected through a pair of intermeshing's bevel gear, the rotating turret rotate and install on micromatic setting.

6. The portable lifting apparatus for small construction sites of claim 5, wherein: the fine adjustment device comprises a support, an adjusting wheel, a lead screw and a slide rod, wherein the lead screw and the slide rod are fixedly installed on a rotating frame, the adjusting wheel and the lead screw form threaded fit, the adjusting wheel is rotatably installed on the support, the slide rod is slidably installed on the support, and the support is slidably installed on an installation plate under the driving of a hydraulic cylinder.

7. The portable lifting apparatus for small construction sites according to claim 1, wherein: the multifunctional assembly further comprises a roller, the roller is coaxially and fixedly installed on the drum, the rope is wound on the roller, a baffle for fixing the end part of the rope is arranged on the roller, and the baffle is fixedly installed on the roller.

8. The portable lifting apparatus for small construction sites of claim 7, wherein: the rotary drum is internally provided with a magnet, a spring and an electromagnet, the electromagnet is arranged in the middle of the rotary drum, and the magnet is arranged at two ends of the electromagnet through the spring.