CN203474246U - Automatic decoupling equipment and hoisting equipment - Google Patents
Automatic decoupling equipment and hoisting equipment Download PDFInfo
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- CN203474246U CN203474246U CN201320550729.7U CN201320550729U CN203474246U CN 203474246 U CN203474246 U CN 203474246U CN 201320550729 U CN201320550729 U CN 201320550729U CN 203474246 U CN203474246 U CN 203474246U
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- tong arm
- locking lever
- automatic decoupling
- decoupling device
- fitting surface
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Abstract
The utility model discloses automatic decoupling equipment and hoisting equipment. The automatic decoupling equipment comprises a worm gear, a worm rod, a motor, a cam, a locking lever, a hoisting clamp, a first elastic part and a second elastic part, wherein the motor is used for driving the worm rod to rotate; the worm gear is meshed with the worm rod; the cam is fixedly connected with the worm gear; one end of the locking lever is matched with the cam, the other end of the locking lever is provided with a hook-shaped bulge, and the locking lever is provided with a rotating hole; the hoisting clamp comprises a first clamp arm and a second clamp arm which are hinged with each other through a stationary shaft, wherein the upper end of the first clamp arm is in running fit with a rotary pin shaft, the lower end of the first clamp arm can be in contact with the lower end of the second clamp arm, and the contact surface of the first clamp arm and the second clamp arm is located at a lowest point; the first elastic part is arranged above the hook-shaped bulge end of the locking lever; and the second elastic part is arranged below the matched bulge end of the second clamp arm. The hoisting equipment comprises the automatic decoupling equipment. By using the automatic decoupling equipment and the hoisting equipment, potential safety hazards are eliminated, and the work efficiency is increased.
Description
Technical field
The utility model relates to lifting industry, especially a kind of automatic decoupling device.
Background technology
Detacher is the equipment that lifting industry is often used, and existing detacher is human intervention hook, yet this detacher has larger potential safety hazard in use, and, very low in work limitation rate.
Therefore, need to invent a kind of novel automatic decoupling device.
Utility model content
Main purpose of the present utility model is, a kind of novel automatic decoupling device is provided, thereby can realizes the automatically-unhooked of weight-lifting equipment.
The technical matters of the purpose of this utility model and solution realizes by the following technical solutions.
By a kind of automatic decoupling device, it comprises worm gear, worm screw and motor, and worm screw is rotated described in described driven by motor, and described worm gear and described worm mesh, also comprise: cam, and it is fixedly connected with described worm gear, and described worm gear drives described cam rotation; Locking lever, match with described cam in its one end, and the other end is provided with hooked projection, on described locking lever, is provided with rotation hole, in described rotation hole, is provided with rotating pin, and described locking lever rotates around described rotating pin; Lifting tongs, it comprises through the first tong arm of the mutual hinge of anchor shaft and the second tong arm, the upper end of described the first tong arm and described rotating pin normal-running fit, the upper end of described the second tong arm is provided with the fitting projection matching with described hooked projection, the lower end of described the first tong arm can with the lower end in contact of described the second tong arm, the contact surface of described the first tong arm and the second tong arm is nadir; The first elastomeric element, it is arranged on the top of the hooked projection end of described locking lever, to described locking lever, provides downward application force; The second elastomeric element, it is arranged on the below of the fitting projection end of described the second tong arm, to described the second tong arm, provides upwards application force.
Preferably, described the first tong arm comprise bottom fitting surface and first time fitting surface on first, on described first, fitting surface and described first time fitting surface draw in to the center line of described contact surface respectively, described the second tong arm comprise bottom fitting surface and second time fitting surface on second, fitting surface and described second time fitting surface draw in to the center line of described contact surface respectively on described second.
Preferably, described automatic decoupling device also comprises upper limit device and lower retainer, is provided with projection and lower convexity on the sidewall of described locking lever, and when described projection contacts with described upper limit device, described locking lever is in topmost; When described lower convexity contacts with described lower retainer, described locking lever is in bottom.
Preferably, described automatic decoupling device also comprises external switch, for controlling the rotation direction of described worm screw.
Preferably, the lower end of described the first tong arm is the frustum keeping flat, and the lower end of described the second tong arm is the frustum keeping flat, and the contact part of described the first tong arm and the second tong arm is nadir.
Preferably, the overlapping setting of contact part of described the first tong arm and the second tong arm.
Preferably, described automatic decoupling device also comprises the shell of lower openings, and described worm gear, worm screw, locking lever and elastomeric element are placed in described shell, and described lifting tongs is placed in the peristome of described shell.
Preferably, in the upper end of described shell, be provided with suspension ring.
The purpose of this utility model also can realize by following technical scheme.By a kind of weight-lifting equipment, comprise load-engaging device, on described load-engaging device, be provided with above-mentioned automatic decoupling device.
By technique scheme, a kind of automatic decoupling device the utility model proposes at least has following advantages:
1) the utility model is simple in structure, easily operation;
2) by controlling the rotation of worm and gear, thereby control the state of the arm of lifting tongs, then by described arm is applied to application force up or down, realize opening or closing of described arm, thus make object to be transported can automatic hitch and unhook;
3) the utility model can automatic hitch and unhook, thereby has eliminated potential safety hazard, has improved work efficiency.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be implemented according to the content of specification sheets, below with preferred embodiment of the present utility model and coordinate accompanying drawing to be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model automatic decoupling device embodiment mono-;
Fig. 2 is the structural representation of the utility model automatic decoupling device embodiment bis-.
The specific embodiment
For further setting forth the utility model, be to reach technological means and the effect that predetermined utility model object is taked, below in conjunction with accompanying drawing and preferred embodiment, the specific embodiment, structure, feature and effect thereof to a kind of automatic decoupling device according to the utility model proposes, be described in detail as follows.In following explanation, the not necessarily same embodiment that different " embodiment " or " embodiment " refer to.In addition, special characteristic, structure or the feature in one or more embodiment can be combined by any suitable form.
Automatic decoupling device embodiment mono-
A kind of automatic decoupling device as shown in Figure 1, comprising: comprise worm gear 1, worm screw 2 and motor 3, described motor 3 drives described worm screw 2 to rotate, described worm gear 1 and described worm screw 2 engagements, also comprise: cam 4, it is fixedly connected with described worm gear 1, and described worm gear 1 drives described cam 4 to rotate; Locking lever 5, match with described cam 4 in its one end, and the other end is provided with hooked projection 51, on described locking lever 5, is provided with rotation hole, is provided with rotating pin 52 in described rotation hole, and described locking lever 5 rotates around described rotating pin 52; Lifting tongs, it comprises the first tong arm 6 and the second tong arm 7 through anchor shaft 10 mutual hinges, the upper end of described the first tong arm 6 and described rotating pin 52 normal-running fiies, the upper end of described the second tong arm 7 is provided with the fitting projection matching with described hooked projection 51, the lower end of described the first tong arm 6 can with the lower end in contact of described the second tong arm 7, the contact part of described the first tong arm 6 and the second tong arm 7 is nadir; The first elastomeric element 8, the top that it is arranged on hooked projection 51 ends of described locking lever 5, provides downward application force to described locking lever 5; The second elastomeric element 9, it is arranged on the below of the fitting projection end of described the second tong arm 7, to described the second tong arm 7, provides upwards application force.
Described locking lever 5 can rotate around described rotating pin 52.Hooked projection 51 ends of described locking lever 5, top is subject to the application force of the first elastomeric element 8, and bottom is subject to the application force of the second elastomeric element 9, thereby can make it maintain a relatively-stationary position.Meanwhile, the other end of described locking lever 5 is also subject to the application force of described cam 4.The state of kinematic motion of described locking lever 5 is subject to the control of described cam 4, that is to say, described locking lever 5 needs to keep contacting with described cam 4 always.The method of its realization has two kinds: one) distance between described hooked projection 51 and described rotation hole is greater than half of described locking lever 5 length; Two) at described hooked projection 51 ends, be provided with weight, thereby can make the weight of described locking lever 5 hooked projection 51 ends larger, Action of Gravity Field makes described locking lever 5 contact with described cam 4.
Described cam 4 can clockwise rotate, and also can rotate counterclockwise.In the process of rotating, by described protrusion, described locking lever 5 can be pressed down, the described cam 4 of take below clockwise rotates as example and is further described: when one) protrusion of described cam 4 rotates to B position by A position (between 0 °～180 °), the hooked projection 51 of described locking lever 5 is all in lowest order; Two) when described cam 4 is rotated further, described protrusion is depressing with cam 4 abutting ends described locking lever 5 constantly, described hooked projection 51 ends constantly rise, until described protrusion moves to C position (270 ° time), described locking lever 5 with cam 4 abutting ends in lowest order, 51 of described hooked projection are in most significant bit; Three) described cam 4, when C position, can be selected to continue to clockwise rotate, or selects to rotate counterclockwise, and now, described cam 4 abutting ends rise, and described hooked projection 51 ends decline.
Described hooked projection 51 is for being arranged on the projection vertically downward on described locking lever 5.When described hooked projection 51 is that described fitting projection matches, can make described the second tong arm 7 not rotate.Because described the second tong arm 7 is when rotating, be first subject to the obstruction of described hooked projection 51, described hooked projection 51 can guarantee that described fitting projection can not be to left movement, thereby makes described the second tong arm 7 be fixed on high state.
In described hooked projection 51, move, described fitting projection can depart from from described hooked projection 51.Thereby, make the top of described the second tong arm 7 only be subject to the application force of described the second elastomeric element 9.Now, if the lower end contact part of described the first tong arm 6 and the second tong arm 7 is applied to the downward or application force that makes progress, contact part due to described the first tong arm 6 and the second tong arm 7 is nadir again, application force up or down, can produce axial thrust to described the first tong arm 6 and the second tong arm 7, thereby the lower end of described the first tong arm 6 and described the second tong arm 7 is opened.
The working process of this automatic decoupling device is: one) initial condition: described the first tong arm 6 coordinates ringwise with the lower end of described the second tong arm 7, the hooked projection 51 of described locking lever 5 is in lowest order, the hooked projection 51 of described locking lever 5 matches with described the second tong arm 7, the protrusion of described cam 4 is placed in the A position parallel with described locking lever 5, and described the first elastomeric element 8 and described the second elastomeric element 9 are all in stretched condition; Two) lifting tongs jaw opens process: described motor 3 drives worm screw 2 to rotate, worm gear 1 and described worm screw 2 engagements, described cam 4 rotates thereupon, the protrusion of described cam 4 is depressing with cam 4 abutting ends described locking lever 5 constantly, described hooked projection 51 ends constantly rise, the fitting projection of described the second tong arm 7 and described hooked projection 51 depart from, described the first tong arm 6 and the second tong arm 7 be subject to bottom up or down application force time, the jaw that the lower end of described the first tong arm 6 and the second tong arm 7 forms opens; Three) reseting procedure: described lifting tongs is assembling wait transporting object or after transporting object and breaking off relations, described cam 4 cws or rotate counterclockwise to A position, described hooked projection 51 matches with described fitting projection, returns to initial condition.
Described automatic decoupling device is by controlling the rotation of worm gear 1 worm screw 2, thereby control the state of the arm of lifting tongs, by described arm is applied to application force up or down, realize opening or closing of described arm again, thus make object to be transported can automatic hitch and unhook; Described automatic decoupling device can automatic hitch and unhook, thereby has eliminated potential safety hazard, has improved work efficiency.
Automatic decoupling device embodiment bis-
Described the first tong arm 6 comprise bottom fitting surface 61 and first time fitting surface 62 on first, on described first, fitting surface 61 and described first time fitting surface 62 draw in to the center line of described contact surface respectively, described the second tong arm 7 comprise bottom fitting surface 71 and second time fitting surface 72 on second, fitting surface 71 and described second time fitting surface 72 draw in to the center line of described contact surface respectively on described second.
On described first, on fitting surface 61 and second, fitting surface 71 refers to, wait transporting object when described lifting tongs departs from and the contact surface of described lifting suspension ring, object to be transported on described first on fitting surface 61 and second fitting surface 71 form a V-type, thereby described in making, object to be transported easily slides to nadir (being the contact surface place of described the first tong arm 6 and the second tong arm 7), treat that described locking lever 5 rises, described the second tong arm 7 is in free state, object described to be transported is due to Action of Gravity Field, described the first tong arm 6 and the second tong arm 7 are opened, object described to be transported can depart from from described opening part.Same, described first time fitting surface 62 and described second time fitting surface 72 form an inverted V-type, when the described mounting ring wait transporting object is being placed in the groove that described first time fitting surface 62 and described second time fitting surface 72 form, the self gravitation of this utility model makes described lifting tongs apply downward application force, the mounting ring of object described to be transported has upward reaction force to described the first tong arm 6 and the second tong arm 7, again because lower fitting surface exists certain slope, can make described the first tong arm 6 and the second tong arm 7 open, object mounting ring described to be transported is to described lifting tongs.
Described automatic decoupling device also comprises upper limit device 11 and lower retainer 12, is provided with projection 13 and lower convexity 14 on the sidewall of described locking lever 5, and when described projection 13 contacts with described upper limit device 11, described locking lever 5 is in topmost; When described lower convexity 14 contacts with described lower retainer 12, described locking lever 5 is in bottom.
During concrete enforcement, the form that described upper limit device 11 and lower retainer 12 are limit relay, thereby, described motor 3 is braked to control.Described projection 13 is arranged on the upside of described locking lever 5, and described lower convexity 14 is arranged on the downside of described locking lever 5.When initial condition, described motor 3 is in "on" position not, and described lower convexity 14 contacts with described lower retainer 12, after described motor 3 energisings, described cam 4 is driven and clockwise rotates, meanwhile, upwards limiting device 11 motions of described projection 13, until while moving to upper limit device 11, described motor 3 power-off, in Preset Time or to described motor 3, provide after a signal, described motor 3 energisings, described cam 4 rotates counterclockwise to initial condition.
Preferably, described automatic decoupling device also comprises external switch 15, for controlling the rotation direction of described worm screw 2.Thereby can control the rotation direction of described cam 4.
Preferably, the lower end of described the first tong arm 6 is the frustum keeping flat, and the lower end of described the second tong arm 7 is the frustum keeping flat.That is to say, the lower end of described the first tong arm 6 and the second tong arm 7 is rounding state gradually, thus unhook and the hook of object to be transported described in convenient.
Preferably, the overlapping setting of contact part of described the first tong arm 6 and the second tong arm 7.The mounting ring diameter of object to be transported described in the part of described overlapping setting is less than, thus can make described mounting ring open described the first tong arm 6 and the second tong arm 7, can guarantee again described mounting ring difficult drop-off.
Preferably, also comprise the shell 16 of lower openings, described worm gear 1, worm screw 2, locking lever 5 first elastomeric elements 8 and the second elastomeric element 9 are placed in described shell 16, and described lifting tongs is placed in the peristome of described shell 16.The function of described shell 16 is the structure housing of tool protective effect.
Preferably, in the upper end of described shell 16, be provided with suspension ring 17.Thereby, be conveniently connected with described engine installation.
Weight-lifting equipment embodiment
A weight-lifting equipment, comprises load-engaging device, is provided with the automatic decoupling device in above-described embodiment on described load-engaging device.Thereby, can realize the automatically-unhooked hook of weight or weight, complete the weight that lifting operation or pile foundation detect high strain operation and discharge operation.
The above, it is only preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction, any simple modification, equivalent variations and the modification above embodiment done according to technical spirit of the present utility model, all still belong in the scope of technical solutions of the utility model.
Claims (9)
1. an automatic decoupling device, it comprises worm gear, worm screw and motor, and worm screw is rotated described in described driven by motor, and described worm gear and described worm mesh, is characterized in that, also comprises:
Cam, it is fixedly connected with described worm gear, and described worm gear drives described cam to rotate;
Locking lever, match with described cam in its one end, and the other end is provided with hooked projection, on described locking lever, is provided with rotation hole, in described rotation hole, is provided with rotating pin, and described locking lever rotates around described rotating pin;
Lifting tongs, it comprises through the first tong arm of the mutual hinge of anchor shaft and the second tong arm, the upper end of described the first tong arm and described rotating pin normal-running fit, the upper end of described the second tong arm is provided with the fitting projection matching with described hooked projection, the lower end of described the first tong arm can with the lower end in contact of described the second tong arm, the contact surface of described the first tong arm and the second tong arm is nadir;
The first elastomeric element, it is arranged on the top of the hooked projection end of described locking lever, to described locking lever, provides downward application force;
The second elastomeric element, it is arranged on the below of the fitting projection end of described the second tong arm, to described the second tong arm, provides upwards application force.
2. automatic decoupling device according to claim 1, is characterized in that,
Described the first tong arm comprise bottom fitting surface and first time fitting surface on first, on described first, fitting surface and described first time fitting surface draw in to the center line of described contact surface respectively, described the second tong arm comprise bottom fitting surface and second time fitting surface on second, fitting surface and described second time fitting surface draw in to the center line of described contact surface respectively on described second.
3. automatic decoupling device according to claim 1, is characterized in that,
Also comprise upper limit device and lower retainer, be provided with projection and lower convexity on the sidewall of described locking lever, when described projection contacts with described upper limit device, described locking lever is in topmost; When described lower convexity contacts with described lower retainer, described locking lever is in bottom.
4. automatic decoupling device according to claim 1, is characterized in that,
Also comprise external switch, for controlling the rotation direction of described worm screw.
5. automatic decoupling device according to claim 1, is characterized in that,
The lower end of described the first tong arm is the frustum keeping flat, and the lower end of described the second tong arm is the frustum keeping flat, and the contact part of described the first tong arm and the second tong arm is nadir.
6. automatic decoupling device according to claim 1, is characterized in that,
The overlapping setting of contact part of described the first tong arm and the second tong arm.
7. automatic decoupling device according to claim 1, is characterized in that,
The shell that also comprises lower openings, described worm gear, worm screw, locking lever and elastomeric element are placed in described shell, and described lifting tongs is placed in the peristome of described shell.
8. automatic decoupling device according to claim 7, is characterized in that,
Upper end at described shell is provided with suspension ring.
9. a weight-lifting equipment, comprises load-engaging device, it is characterized in that,
Automatic decoupling device be provided with claim 1 to 8 on described load-engaging device in described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320550729.7U CN203474246U (en) | 2013-09-05 | 2013-09-05 | Automatic decoupling equipment and hoisting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320550729.7U CN203474246U (en) | 2013-09-05 | 2013-09-05 | Automatic decoupling equipment and hoisting equipment |
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| Publication Number | Publication Date |
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| CN203474246U true CN203474246U (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320550729.7U Expired - Fee Related CN203474246U (en) | 2013-09-05 | 2013-09-05 | Automatic decoupling equipment and hoisting equipment |
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| Country | Link |
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| CN (1) | CN203474246U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103434925A (en) * | 2013-09-05 | 2013-12-11 | 北京东方新星石化工程股份有限公司 | Automatic unhooking device and lifting appliance |
| CN105021365A (en) * | 2015-06-09 | 2015-11-04 | 山东豪迈机械科技股份有限公司 | An impulse test detection apparatus |
-
2013
- 2013-09-05 CN CN201320550729.7U patent/CN203474246U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103434925A (en) * | 2013-09-05 | 2013-12-11 | 北京东方新星石化工程股份有限公司 | Automatic unhooking device and lifting appliance |
| CN103434925B (en) * | 2013-09-05 | 2015-04-08 | 北京东方新星石化工程股份有限公司 | Automatic unhooking device and lifting appliance |
| CN105021365A (en) * | 2015-06-09 | 2015-11-04 | 山东豪迈机械科技股份有限公司 | An impulse test detection apparatus |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20140312 Termination date: 20180905 |