CN108178085B - Automatic hook structure of picking and hanging - Google Patents
Automatic hook structure of picking and hanging Download PDFInfo
- Publication number
- CN108178085B CN108178085B CN201711296063.6A CN201711296063A CN108178085B CN 108178085 B CN108178085 B CN 108178085B CN 201711296063 A CN201711296063 A CN 201711296063A CN 108178085 B CN108178085 B CN 108178085B
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- Prior art keywords
- lifting
- hook
- lifting hook
- scissor
- driving device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/18—Power-operated hoists
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/18—Power-operated hoists
- B66D3/26—Other details, e.g. housings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a hook structure capable of automatically picking and hanging, comprising: the lifting hook comprises a lifting hook body and a lifting hook side plate; the lifting mechanism is connected with the lifting hook and comprises a shear fork, the fixed end of the top of the shear fork is fixedly connected with the base of the lifting mechanism, and the shear fork can control the freedom degrees of the lifting hook in the X and Y directions and can be synchronously folded and unfolded along with the lifting of the lifting hook; the lifting hook body is connected with the lifting hook rotary driving device through a hinge shaft, and the lifting hook rotary driving device can enable the lifting hook body to rotate around a rotating shaft connected to the lifting hook side plate; the lifting mechanism drives the lifting hook to lift, the scissor fork can lift synchronously, and the hook head of the lifting hook body can rotate out or rotate in from the lower part of the lifting ring arm under the action of the rotary driving device, so that the lifting hook can be automatically picked and hung. The automatic unhooking and hanging hook has the advantages of simple structure and reasonable design, and can accurately realize automatic unhooking and hanging.
Description
Technical Field
The invention belongs to the technical field of building hoisting equipment, and relates to a structure capable of automatically picking and hanging a hook.
Background
In the hoisting operation of building structural members, the removal and the hooking of the lifting appliance are indispensable work. The lifting hook is usually picked and hung manually, so that the climbing operation by using the ladder stand is needed when the tall and big vertical component is lifted, the safety guarantee is poor and the efficiency is low. If the hook can be automatically picked to replace manual operation, the efficiency and the safety of the hoisting operation can be greatly improved. At present, automatic hook-off lifting appliances are used in the field of standardized lifting, such as container loading, but in the field of building construction, structural parts needing to be lifted are more complex and various, and related equipment is not put into use.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide a structure capable of automatically picking and hanging a lifting hook, thereby overcoming the problem that the lifting hook is manually picked and hung in the prior art.
In order to achieve the above object, the present invention provides a structure capable of automatically picking and hanging a hook, comprising: the lifting hook comprises a lifting hook body and a lifting hook side plate; the lifting mechanism is connected with the lifting hook and comprises a shear fork, the fixed end of the top of the shear fork is fixedly connected with the base of the lifting mechanism, and the shear fork can control the freedom degrees of the lifting hook in the X and Y directions and can be synchronously folded and unfolded along with the lifting of the lifting hook; the lifting hook body is connected with the lifting hook rotary driving device through a hinge shaft, and the lifting hook rotary driving device can enable the lifting hook body to rotate around a rotating shaft connected to the lifting hook side plate; the lifting mechanism drives the lifting hook to lift, the scissor fork can lift synchronously, and the hook head of the lifting hook body can rotate out or rotate in from the lower part of the lifting ring arm under the action of the rotary driving device, so that the lifting hook can be automatically picked and hung.
Preferably, in the above technical scheme, the scissors include at least two scissors units connected in parallel, the top of the scissors is provided with a horizontal sliding rail corresponding to each scissors unit, and the sliding rail is located on a vertical plane where a first-stage scissors rod of the scissors is located.
Preferably, among the above-mentioned technical scheme, elevating system includes reel, wire rope and movable pulley, and wherein, wire rope coiling reel can drive the movable pulley and go up and down, movable pulley and lifting hook sharing lifting hook curb plate, and the last one-level of scissors fork pole of scissors fork is round pin axle and movable pulley coaxial coupling in the first middle of.
Preferably, in the above technical scheme, the upper part of the movable pulley is symmetrically provided with two sets of limiting wheels relative to the vertical displacement center line of the hook body, the limiting wheels and the movable pulley are installed on a plane, and the rotating shaft of each set of limiting wheels is fixed on the side plate of the lifting hook; the groove bottom circle of each group of limiting wheels is tangent to the outer edge of the steel wire rope and clamped on the steel wire rope to prevent the lifting hook side plate from rotating around the first middle pin shaft.
Preferably, in the above technical scheme, the first-stage scissor lever is further provided with a vertical guide groove, and a center line of the guide groove is located on a center line of the drum and a plane perpendicular to the slide rail.
Preferably, in the above technical solution, the width of the guide groove is set so that the second middle pin shaft of the first-stage scissor lever can only slide up and down along the guide groove without generating horizontal displacement; the length of the guide groove is set to be that when the scissors fork extends to the maximum length, the second middle pin shaft cannot be separated from the guide groove.
Preferably, in the above technical scheme, the end of the first-stage scissor rod is connected with a sliding block, and the sliding block can only slide left and right along the sliding rail.
Preferably, in the above technical scheme, the limiting wheel is a limiting pulley or a roller with a groove.
Compared with the prior art, the invention has the following beneficial effects:
(1) the shear fork has certain rigidity, so that the displacement of the side plate of the lifting hook and the lifting hook body in the x direction, the y direction and the theta and z direction can be limited in the lifting process;
(2) in the lifting process, the steel wire rope of the lifting mechanism is kept vertical, and the two limiting pulleys are clamped on the steel wire rope, so that the uncontrollable theta y-direction displacement of the hook side plate rotating around the first middle pin shaft is limited;
(3) because the lifting hook body is arranged between the shearing forks of at least 2 units and 2 lifting hook side plates, a certain distance is reserved between the shearing fork units and between the side plates, so that the theta x-direction displacement of the lifting hook side plates and the lifting hook body is limited;
(4) the automatic hook picking and hanging structure utilizes the lifting mechanism to meet the z-direction motion control, utilizes the hook rotation driving device to realize the theta-y corner control of the hook head on the vertical plane, and enables the hook head to rotate out of or in from the lower part of the hanging ring arm, thereby accurately realizing the automatic hook picking and hanging.
Drawings
FIG. 1 is a front view of an automatically unhooking hook structure according to the present invention;
figure 2 is a left side view of an automatically unhooking hook structure according to the invention.
Description of the main reference numerals:
1-lifting mechanism, 2-lifting hook, 21-lifting hook side plate, 22-lifting hook body, 23-limiting wheel, 3-lifting hook rotation driving device, 4-lifting ring, 11-winding drum, 12-steel wire rope, 13-fixed pulley, 14-scissor fork, 15-sliding rail, 16-second middle pin shaft, 17-guiding groove, 18-first middle pin shaft and 23-limiting wheel.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
As shown in fig. 1-2, the automatic detachable hook structure according to the embodiment of the present invention includes: the lifting mechanism 1, the lifting hook 2 and the lifting hook rotation driving device 3. Wherein, the lifting hook 2 comprises a lifting hook body 22 and a lifting hook side plate 21. Elevating system 1 is connected with lifting hook 2, and elevating system 1 includes cuts fork 14, cuts the top stiff end of fork 14 and elevating system 1's base fixed connection, cuts fork 14 and can control the X of lifting hook 2 and the degree of freedom of Y direction and can take up and spread along with lifting hook 2's lift in step. The hook rotation driving device 3 is fixed on the hook side plate 21, the hook body 22 is connected with the hook rotation driving device 3 through a hinge shaft, and the hook rotation driving device 3 can enable the hook body 22 to rotate around a rotating shaft connected to the hook side plate 21. As shown in fig. 2, the hook rotation driving means 3 may be a linear driving means such as an electric push rod. The lifting mechanism 1 drives the lifting hook 2 to lift, the scissor fork 14 can lift synchronously, and simultaneously the hook head of the lifting hook body 22 can rotate out or rotate in from the lower part of the lifting ring arm under the action of the rotary driving device 3, so that the lifting hook 2 can be automatically picked and hung. Because the shear fork has certain rigidity, the shear fork can limit the displacement of the side plate of the lifting hook and the lifting hook body in the x direction, the y direction and the theta and z direction in the lifting process.
As shown in fig. 2, the lifting mechanism 1 includes a drum 11, a wire rope 12, and a movable pulley 13, wherein the wire rope 12 is wound around the drum 11 and can drive the movable pulley 13 to lift, and the movable pulley 13 and the hook 2 share a hook side plate 21. A first middle pin 18 of the last stage of the scissors rod of the scissors 14 is coaxially connected with the movable pulley 13. The scissors 14 comprise at least two scissors units connected in parallel, the top of the scissors 14 is provided with a horizontal sliding rail 15 corresponding to each scissors unit, and the sliding rail 15 is positioned on the vertical plane where the first-stage scissors rod of the scissors is positioned. The end part of the first-stage scissor rod is connected with a sliding block, and the sliding block can only slide left and right along the sliding rail 15. The first-stage scissor pole is also provided with a vertical guide groove 17, and the center line of the guide groove 17 is positioned on the center line of the winding drum 11 and a plane perpendicular to the slide rail 15. The width of the guide groove 17 is set so that the second middle pin 16 of the first-stage scissors rod can only slide up and down along the guide groove 17 without generating horizontal displacement. And the length of the guide slot 17 is set such that the second intermediate pin 16 does not come out of the guide slot 17 when the scissors 14 are extended to the maximum length. When the lifting mechanism 1 drives the movable pulley 13 and the hook side plate 21 and the hook body 22 connected to the movable pulley to lift, the scissor fork 14 can also lift synchronously.
Two groups of limiting wheels 23 are symmetrically arranged on the upper part of the movable pulley 13 relative to the vertical displacement central line of the hook body 22, the limiting wheels 23 and the movable pulley 13 are arranged on the same plane, and the rotating shaft of each group of limiting wheels 23 is fixed on the hook side plate 21. The groove bottom circle of each group of limiting wheels 23 is tangent to the outer edge of the steel wire rope 12 and clamped on the steel wire rope 12 to prevent the hook side plate 21 from rotating around the first middle pin shaft 18. The limiting wheel 23 is a limiting pulley or a roller with a groove. The hook body 22 can rotate around the rotating shaft connected to the hook side plate 21, and the hook body 22 can rotate around the rotating shaft connected to the hook side plate 21 under the action of the rotation driving device 3, so that the hook head can enter and exit the space range of the hanging ring 4, thereby completing the hook picking. The automatic hook picking and hanging structure of the invention utilizes the lifting mechanism 1 to meet the motion control in the z direction, utilizes the hook rotation driving device 3 to realize the theta y corner control of the hook head on the vertical plane, and enables the hook head to rotate out or in from the lower part of the hanging ring arm, thereby realizing the automatic hook picking and hanging.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (5)
1. The utility model provides a can pluck hanging hook structure automatically, its characterized in that, can pluck hanging hook structure automatically includes:
the lifting hook comprises a hook body and two lifting hook side plates;
the lifting mechanism is connected with the lifting hook and comprises a shear fork, the fixed end of the top of the shear fork is fixedly connected with the base of the lifting mechanism, and the shear fork can control the freedom degrees of the lifting hook in the X and Y directions and can be synchronously folded and unfolded along with the lifting of the lifting hook; and
the lifting hook rotary driving device is fixed on the lifting hook side plate and is a linear driving device, the lifting hook body is connected with the lifting hook rotary driving device through a hinge shaft, and the lifting hook rotary driving device can enable the lifting hook body to rotate around a rotating shaft connected to the lifting hook side plate;
the lifting mechanism drives the lifting hook to lift, the shearing forks can lift synchronously, and meanwhile, the hook head of the lifting hook body can rotate out of or into the lower part of the lifting ring arm under the action of the rotary driving device, so that the lifting hook is automatically picked and hung;
the lifting mechanism comprises a winding drum, a steel wire rope and a movable pulley, wherein the steel wire rope winds the winding drum and can drive the movable pulley to lift, the movable pulley and the lifting hook share the two lifting hook side plates, and a first middle pin shaft of a last-stage scissor rod of the scissor fork penetrates through the two lifting hook side plates to be coaxially connected with the movable pulley;
two groups of limiting wheels are symmetrically arranged on the upper part of the movable pulley relative to the vertical displacement central line of the hook body, the limiting wheels and the movable pulley are arranged on the same plane, and a rotating shaft of each group of limiting wheels is fixed on the side plate of the hook; the groove bottom circle of each group of limiting wheels is tangent to the outer edge of the steel wire rope and clamped on the steel wire rope to prevent the lifting hook side plate from rotating around the first middle pin shaft.
2. The automatic hook structure of claim 1, wherein the scissor comprises at least two scissor units connected in parallel, a horizontal slide rail is provided at the top of the scissor corresponding to each scissor unit, and the slide rail is located on a vertical plane where a first-stage scissor rod of the scissor is located.
3. The automatic hook structure of claim 2, wherein the first-stage scissor lever is further provided with a vertical guide groove, and the center line of the guide groove is located on the plane perpendicular to the center line of the winding drum and the slide rail.
4. The automatic unhooking and hanging hook structure according to claim 3, wherein the width of the guide groove is set so that the second middle pin shaft of the first-stage scissor lever can only slide up and down along the guide groove without horizontal displacement; the length of the guide groove is set to be that when the scissors extend to the maximum length, the second middle pin shaft cannot be pulled out of the guide groove.
5. The automatic hook structure of claim 2, wherein the end of the first-stage scissor rod is connected with a sliding block, and the sliding block can only slide left and right along the sliding rail.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711296063.6A CN108178085B (en) | 2017-12-08 | 2017-12-08 | Automatic hook structure of picking and hanging |
Applications Claiming Priority (1)
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CN201711296063.6A CN108178085B (en) | 2017-12-08 | 2017-12-08 | Automatic hook structure of picking and hanging |
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CN108178085A CN108178085A (en) | 2018-06-19 |
CN108178085B true CN108178085B (en) | 2020-06-19 |
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CN201711296063.6A Active CN108178085B (en) | 2017-12-08 | 2017-12-08 | Automatic hook structure of picking and hanging |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102765664A (en) * | 2012-04-27 | 2012-11-07 | 上海朗卫自动化科技有限公司 | Pulley assembly and crane |
CN103332588A (en) * | 2013-05-27 | 2013-10-02 | 上海朗卫自动化科技有限公司 | Automatic suspender |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2840292B1 (en) * | 2002-06-04 | 2004-12-24 | Potain Sa | MOLDING CHANGING DEVICE FOR CRANE |
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2017
- 2017-12-08 CN CN201711296063.6A patent/CN108178085B/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102765664A (en) * | 2012-04-27 | 2012-11-07 | 上海朗卫自动化科技有限公司 | Pulley assembly and crane |
CN103332588A (en) * | 2013-05-27 | 2013-10-02 | 上海朗卫自动化科技有限公司 | Automatic suspender |
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CN108178085A (en) | 2018-06-19 |
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