CN111348541A - Anti-reverse material lifting device - Google Patents
Anti-reverse material lifting device Download PDFInfo
- Publication number
- CN111348541A CN111348541A CN201811578697.5A CN201811578697A CN111348541A CN 111348541 A CN111348541 A CN 111348541A CN 201811578697 A CN201811578697 A CN 201811578697A CN 111348541 A CN111348541 A CN 111348541A
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- China
- Prior art keywords
- pulley
- motor
- assembly comprises
- ratchet
- damping
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
- B66C1/16—Slings with load-engaging platforms or frameworks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Transmission (AREA)
Abstract
The invention discloses a reverse-rotation-preventing material lifting device which comprises five parts, namely a supporting component, a driving component, a lifting component, a damping component and a ratchet wheel component. The supporting assembly comprises a base, a motor fixing seat fixed on the base and a pulley mounting plate fixed on one side of the base; the driving assembly comprises a motor arranged on the motor fixing seat; the ratchet assembly comprises a ratchet, a brake rod and a pawl; the lifting assembly comprises a first pulley arranged on the pulley mounting plate, a second pulley coaxially mounted with the ratchet wheel, and a belt wound on the first pulley and the second pulley; the damping assembly comprises a damping support, three hydraulic dampers fixed on the damping support and a pressing plate arranged on the hydraulic dampers. The ratchet wheel assembly is matched with the pulley block pair and is assisted by the damping assembly, so that the invention has the effects of reverse rotation prevention, damping and large torque.
Description
Technical Field
The invention relates to a material lifting device, in particular to a material lifting device capable of preventing reverse rotation.
Background
A material lifting device is a device for lifting materials by using a lifting mechanism, is a multi-action lifting machine for vertically lifting and horizontally carrying heavy objects in a certain range, and belongs to material carrying machines. The working characteristics of the lifting device are that corresponding mechanisms for taking materials, transporting, unloading and the like in one working cycle work alternately.
In the prior art, a material lifting device usually has no anti-inversion mechanism, and when materials fall rapidly due to factors such as motor failure in the suspension process, the materials cannot be braked rapidly, so that the risk is high; and no damping device is arranged, so that the materials cannot be damped and buffered.
Disclosure of Invention
The purpose of the invention is as follows: the anti-reverse material lifting device is provided, a ratchet wheel assembly is arranged, a first pulley is arranged at one end of a motor, and a second pulley is coaxially arranged at one side of a ratchet wheel; the pulley block pair is matched and is assisted by a damping component, so that the problems in the prior art are solved.
The technical scheme is as follows: a prevent material hoisting accessory of tilting, includes: the device comprises five parts, namely a support assembly, a driving assembly, a lifting assembly, a damping assembly and a ratchet assembly.
The supporting assembly comprises a base, a motor fixing seat fixed on the base and a pulley mounting plate fixed on one side of the base;
the driving assembly comprises a motor arranged on the motor fixing seat;
the ratchet assembly comprises a ratchet, a fixed rod arranged above the ratchet, a brake rod fixedly connected to one end of the fixed rod, a pawl rotatably connected with the brake rod, and a brake spring arranged on the fixed rod;
the lifting assembly comprises a first pulley arranged on the pulley mounting plate, a second pulley coaxially mounted with the ratchet wheel, and a belt wound on the first pulley and the second pulley;
and the damping assembly comprises a damping support, three hydraulic dampers fixed on the damping support and a pressing plate arranged on the hydraulic dampers.
In a further embodiment, the hydraulic shock absorber comprises a spring seat, an outer cover arranged on the spring seat, a supporting spring arranged on the spring seat and positioned outside the outer cover, and a hydraulic damper arranged inside the outer cover, the hydraulic shock absorber has two-stage damping effect, the supporting spring is used as one-stage damping, the hydraulic damper is used for generating damping feeling, and the effect of two-stage damping is achieved.
In a further embodiment, one end of the belt close to the first pulley is connected with a balancing weight, one end close to the second pulley is connected with a material frame, and the balancing weight is used for balancing, so that one end of the suspended material frame is balanced with the balancing weight.
In a further embodiment, the motor and the first pulley are in transmission through a worm gear, the worm gear comprises a worm wheel and a worm, the worm wheel is mounted at one end of an output shaft of the motor, the worm is mounted coaxially with the first pulley, the worm is used for converting the output axial rotation of the motor to 90 degrees and then transmitting the converted output axial rotation to the first pulley, and the torque is increased while the speed is reduced.
In a further embodiment, the motor and the first pulley are in transmission through a bevel gear, the bevel gear comprises a first bevel gear arranged on one side of an output shaft of the motor and a second bevel gear coaxially arranged with the first pulley, and an axial included angle between the first bevel gear and the second bevel gear is 90 degrees, so that the transmission direction can be changed.
In a further embodiment, an electromagnet is fixed on one side of the ratchet assembly, which is located at the upper end of the fixed rod, the brake rod is rotatably connected with the pawl through a pin shaft, and when the electromagnet is electrified, the electromagnet generates magnetic force and adsorbs the fixed rod, so that the brake rod fixed at the tail end of the fixed rod swings clockwise along the pin shaft, and the brake rod is separated from the ratchet.
Has the advantages that: the invention relates to a material lifting device capable of preventing reverse rotation.A ratchet wheel assembly is arranged, so that when materials fall rapidly due to factors such as motor failure in the suspension process, the materials can be rapidly braked by a brake rod and a pawl; a first pulley is arranged at one end of the motor, a second pulley is coaxially arranged at one side of the ratchet wheel and matched by a pair of pulley blocks, so that the output power of the motor is reduced; and the shock absorption component is used for absorbing shock when the materials fall down, so that the materials are protected from being damaged.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the worm gear of the invention.
Fig. 3 is a schematic view of a first bevel gear and a second bevel gear in the present invention.
Fig. 4 is a schematic structural view of the hydraulic shock absorber of the present invention.
FIG. 5 is a schematic view of the ratchet assembly of the present invention.
The figures are numbered: the device comprises a base 1, a motor fixing seat 2, a motor 3, a worm 4, a first pulley 5, a pulley mounting plate 6, a worm wheel 7, a balancing weight 8, a belt 9, a ratchet 10, a brake rod 11, a pin shaft 12, a brake spring 13, a fixing rod 14, an electromagnet 15, a pawl 16, a second pulley 17, a material frame 18, a pressing plate 19, a hydraulic shock absorber 20, a spring seat 2001, a support spring 2002, a hydraulic shock absorber 2003, an outer cover 2004, a shock absorption support 21, a first bevel gear 22 and a second bevel gear 23.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 below, a material lifting device capable of preventing reverse rotation is hereinafter referred to as the device. The device comprises five parts, namely a supporting component, a driving component, a lifting component, a damping component and a ratchet wheel component. The supporting assembly comprises a base 1, a motor 3 fixing seat 2 is mounted on the base 1, and a pulley mounting plate 6 is arranged on one side of the base 1; the driving assembly comprises a motor 3 arranged on the motor 3 fixing seat 2; the ratchet assembly comprises a ratchet 10, a fixed rod 14 is arranged above the ratchet 10, one end of the fixed rod 14 is fixedly connected with a brake rod 11, the brake rod 11 is connected with a pawl 16 through a pin shaft 12, and a brake spring 13 is arranged on the fixed rod 14; the lifting assembly comprises a first pulley 5, a second pulley 17 and a belt 9, wherein the first pulley 5 is installed on the pulley installation plate 6, the second pulley 17 is coaxially installed on the ratchet wheel 10, and the belt 9 is wound on the first pulley 5 and the second pulley 17; and the damping assembly comprises three damping supports 21, three hydraulic dampers 20 and three pressure plates 19, wherein the three hydraulic dampers 20 are respectively arranged on the damping supports 21, and the pressure plates 19 are arranged on the hydraulic dampers 20.
The specific working process is as follows:
the first embodiment is as follows: as shown in fig. 2, the motor 3 and the first pulley 5 are driven by the worm wheel 7 and the worm 4. One end of an output shaft of the motor 3 is connected with a worm wheel 7, when the motor 3 rotates, the worm wheel 7 is driven to rotate, so that a worm 4 matched with the worm wheel 7 is driven to rotate, the worm 4 and the first pulley 5 are coaxially arranged, and the output direction of the motor 3 is changed by 90 degrees through the transmission of the worm wheel 7 and the worm 4 to drive the first pulley 5 to rotate; after rotating, the first pulley 5 drives the belt 9 sleeved thereon to slide, so as to drive the second pulley 17 at the other end of the belt 9 to rotate, and further to lift the material frame 18 hung at the tail end of the belt 9. The ratchet wheel 10 is coaxially installed on the second pulley 17, the fixing rod 14 is installed above the ratchet wheel 10, one end of the fixing rod 14 is fixedly connected with the brake rod 11, the brake rod 11 is connected with the pawl 16 through the pin shaft 12, the fixing rod 14 is provided with the brake spring 13, the ratchet wheel 10 is driven to move certainly, only along the same direction, one tooth is rotated at a time without rotating, the pawl 16 is clamped inside one tooth groove to lock the current state, and the second pulley 17 is prevented from being reversed.
Example two: as shown in fig. 3 and 5 below, the motor 3 and the first pulley 5 are driven by a pair of bevel gears which are engaged with each other at 90 degrees. The motor 3 and the first pulley 5 are in transmission through bevel gears, and the bevel gear transmission device comprises a first bevel gear 22 arranged on one side of an output shaft of the motor 3 and a second bevel gear 23 coaxially arranged with the first pulley 5, and an axial included angle between the first bevel gear 22 and the second bevel gear 23 is 90 degrees. The fixed rod 14 is provided with a brake spring 13, one side of the upper end of the fixed rod 14 is fixed with an electromagnet 15, the brake lever 11 is rotatably connected with the pawl 16 through a pin shaft 12, the electromagnet 15 generates magnetic force when being electrified and adsorbs the fixed rod 14, so that the brake lever 11 fixed at the tail end of the fixed rod 14 swings clockwise along the pin shaft 12, the brake lever 11 is further separated from the ratchet 10, and the brake spring 13 is used for rapidly resetting the brake lever 11.
Preferably, the hydraulic shock absorber 20 includes a spring seat 2001, a housing 2004 mounted on the spring seat 2001, a support spring 2002 mounted on the spring seat 2001 and located outside the housing 2004, and a hydraulic damper 2003 provided inside the housing 2004, and the hydraulic shock absorber 20 has a two-stage shock absorbing effect, and achieves a two-stage shock absorbing effect by using the support spring 2002 as a first-stage shock absorbing and by generating a damping feeling by the hydraulic damper 2003. Hydraulic shock absorber 20 utilizes the compressibility of the fluid and the ability of the fluid to absorb energy when compressed and dissipate energy when flowing to achieve a shock reduction or elimination. The hydraulic damper 2003 depends on the pressure of the hydraulic oil, and when the pressure plate 19 sinks under the pressure, the hydraulic oil gives a reaction force to the pressure plate 19 to prevent the pressure plate 19 from sinking, and the forces of the two counteract a part, so that the pressure of the pressure plate 19 is greatly reduced, and a damping feeling is generated.
As a preferable scheme, one end of the belt 9 close to the first pulley 5 is connected with a balancing weight 8, one end close to the second pulley 17 is connected with a material frame 18, and the balancing weight 8 is used for balancing, so that one end of the material frame 18 is hung to be balanced with the balancing weight 8.
Preferably, the motor 3 and the first pulley 5 are in transmission through a worm wheel 7 and a worm 4, and the worm wheel 7 is mounted at one end of an output shaft of the motor 3, and the worm 4 is mounted coaxially with the first pulley 5 and is used for transmitting the output shaft of the motor 3 to the first pulley 5 after rotating for 90 degrees in the axial direction, so that the torque is increased while the speed is reduced.
As noted above, while the present invention has been shown and described with reference to certain preferred embodiments, it is not to be construed as limited thereto. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. The utility model provides a prevent material hoisting accessory of tilting, characterized by includes:
the supporting assembly comprises a base, a motor fixing seat fixed on the base and a pulley mounting plate fixed on one side of the base;
the driving assembly comprises a motor arranged on the motor fixing seat;
the ratchet assembly comprises a ratchet, a fixed rod arranged above the ratchet, a brake rod fixedly connected to one end of the fixed rod, a pawl rotatably connected with the brake rod, and a brake spring arranged on the fixed rod;
the lifting assembly comprises a first pulley arranged on the pulley mounting plate, a second pulley coaxially mounted with the ratchet wheel, and a belt wound on the first pulley and the second pulley;
and the damping assembly comprises a damping support, three hydraulic dampers fixed on the damping support and a pressing plate arranged on the hydraulic dampers.
2. A tilt-prevention material lifting device according to claim 1, characterized in that: the hydraulic shock absorber comprises a spring seat, an outer cover arranged on the spring seat, a supporting spring arranged on the spring seat and positioned on the outer side of the outer cover, and a hydraulic damper arranged inside the outer cover.
3. A tilt-prevention material lifting device according to claim 1, characterized in that: the belt is close to the one end of first pulley and is connected with the balancing weight, is close to the one end of second pulley and is connected with the material frame.
4. A tilt-prevention material lifting device according to claim 1, characterized in that: the motor and the first pulley are in transmission through a worm gear and a worm, and the worm gear is installed at one end of an output shaft of the motor and the worm is coaxially installed with the first pulley.
5. A tilt-prevention material lifting device according to claim 1, characterized in that: the motor and the first pulley are in transmission through a bevel gear, the motor comprises a first bevel gear arranged on one side of an output shaft of the motor and a second bevel gear coaxially arranged with the first pulley, and an axial included angle between the first bevel gear and the second bevel gear is 90 degrees.
6. A tilt-prevention material lifting device according to claim 1, characterized in that: an electromagnet is fixed on one side of the ratchet wheel assembly, which is positioned at the upper end of the fixed rod, and the brake rod is rotatably connected with the pawl through a pin shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811578697.5A CN111348541A (en) | 2018-12-24 | 2018-12-24 | Anti-reverse material lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811578697.5A CN111348541A (en) | 2018-12-24 | 2018-12-24 | Anti-reverse material lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111348541A true CN111348541A (en) | 2020-06-30 |
Family
ID=71190306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811578697.5A Pending CN111348541A (en) | 2018-12-24 | 2018-12-24 | Anti-reverse material lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111348541A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113620111A (en) * | 2021-07-16 | 2021-11-09 | 安徽省国维通信工程有限责任公司 | Hoisting device for laying optical fiber and using method |
| CN113697700A (en) * | 2021-08-26 | 2021-11-26 | 杭州铁路设计院有限责任公司 | Vertical lifting device for mounting high and large formwork for engineering construction |
-
2018
- 2018-12-24 CN CN201811578697.5A patent/CN111348541A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113620111A (en) * | 2021-07-16 | 2021-11-09 | 安徽省国维通信工程有限责任公司 | Hoisting device for laying optical fiber and using method |
| CN113697700A (en) * | 2021-08-26 | 2021-11-26 | 杭州铁路设计院有限责任公司 | Vertical lifting device for mounting high and large formwork for engineering construction |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200630 |