CN201010884Y - Static balancing full-automatic mechanical grasping beam - Google Patents
Static balancing full-automatic mechanical grasping beam Download PDFInfo
- Publication number
- CN201010884Y CN201010884Y CNU2007200894832U CN200720089483U CN201010884Y CN 201010884 Y CN201010884 Y CN 201010884Y CN U2007200894832 U CNU2007200894832 U CN U2007200894832U CN 200720089483 U CN200720089483 U CN 200720089483U CN 201010884 Y CN201010884 Y CN 201010884Y
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- hook
- gear
- beam body
- rocking arm
- automatic mechanical
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Abstract
The utility model relates to a grab beam for the underwater strobe hooking or unhooking operation of hydropower station, in particular to a static balance type full-automatic mechanical grab beam. The grab beam comprises a beam body(1) and a hook device arranged at the left and right sides of the beam body(1) symmetrically, and is characterized in that: the hook device consists of a four bar linkage consisting of a hook(2) and a rocker(11) arranged respectively at the beam body(1) in an articulated manner, as well as a lower pull rod(3) arranged between the hook(2) and the rocker(11); the four bar linkage is combined with a driving mechanism through an upper pull rod(4) connected with the rocker(11); the driving mechanism comprises a traveler device(7) arranged vertically at the middle of the beam body(1) and a single driving device(9); the gear racks arranged at the traveler device(7) are meshed with the gear arranged at the single driving device(9), and the single driving device(9) is combined with the upper pull rod(4) through a connecting piece.
Description
Technical field
The utility model relates to a kind of beam of grabbing that is used for power station Submerged gate hook or unhook operation, relates to a kind of static balance formula full-automatic mechanical specifically and grabs beam.
Background technology
Grabbing beam (claiming to take off drop in beam, hanging-releasing beam again) is one of the visual plant in power station, and it cooperates headstock gear to finish the task of lifting by crane and putting down gate.The function of grabbing beam is to link up with or the unhook operation at the unapproachable gate of finishing under water of personnel.The existing beam of grabbing can be divided into that beam is grabbed in hydraulic operation and beam two big classes are grabbed in mechanically actuated.The former belongs to the beam of grabbing of active, automation, and the latter belongs to passive, the semi-automatic beam of grabbing.Hydraulic operation is grabbed beam and is utilized the hydraulic system of motor-oil pump-oil cylinder composition to drive hook and unhook (perhaps wear axle and move back axle) action.Hydraulic operation is grabbed beam and is carried pumping plant and need carry out also needing the traction wireline operation the waterproof except that needs, and hydraulic operation is grabbed beam and is mainly used in lifting and puts down large-scale gate.Beam is grabbed in mechanically actuated several forms such as Weight type, pinion and-rack, belongs to semiautomatic equipment more, compares hydraulic operation and grabs beam and do not need waterproof though this grabs beam, does not also need power supply.But the conversion operations from the unhook state to the hook state needs artificial the adjustment to realize, not only requires great effort time-consuming but also has the danger of work high above the ground.Mechanically actuated is grabbed beam and is widely used in lifting and puts down middle-size and small-size gate.
Summary of the invention
The purpose of this utility model provides a kind of static balance formula full-automatic mechanical to grab beam at existing weak point in the above-mentioned prior art just.
The purpose of this utility model can realize by following technique measures:
Static balance formula full-automatic mechanical of the present utility model is grabbed beam and is comprised that beam body and symmetry are installed in the hook gear of the and arranged on left and right sides of Liang Tishang, described hook gear by be installed in suspension hook, the rocking arm of Liang Tishang by articulated manner respectively and be connected suspension hook and rocking arm between the quadric chain that constitutes jointly of lower link form; Described quadric chain combines with driving mechanism by the upper connecting rod that is connected with rocking arm; Described driving mechanism comprises traveller device and the unidirectional drive device that vertically is installed in beam body middle part; The tooth bar that is arranged on the traveller device is meshed with gear on being arranged on the unidirectional drive device; The unidirectional drive device combines with pull bar by connector.
Unidirectional drive device described in the utility model comprises gear ring, be arranged on one-way clutch, the axis I that combines with the inner ring of one-way clutch in the gear ring and be installed in the eccentric wheel apparatus that is used for cylinder lever connecting rod on the axis I; Rocking arm is provided with counterweight.
The beam of grabbing of the present utility model is provided with four connecting rod balanced controls according to the load change rule of transmission mechanism, making suspension hook put any position all is stable equilibrium point, moment has obtained balance fully in whole in theory unhook process and the hooking process, according to the requirement of grabbing beam suspension hook location, make two dead-centre positions of the corresponding crank-link mechanism of two limit positions (hook position and unhook position) of suspension hook, utilize the auto-lock function of crank-link mechanism to guarantee the locking positioning of the two limit positions of suspension hook, have stronger antijamming capability.In addition, this is grabbed beam and has also adopted unidirectional drive and automatic resetting mechanism, promptly adopt the rack drives gear, for saving the space, one-way clutch is contained in the inside of gear, the rotation of gear is passed to eccentric wheel by one-way clutch, eccentric wheel drives the swing that pull bar is realized suspension hook, in the process of grabbing beam decline, in case traveller device (tooth bar) has contacted gate, traveller device (tooth bar) is also continuing to descend the action of traveller device (tooth bar) drive transmission device realization hook with regard to stop motion and grab beam this moment.Because the effect of one-way clutch, traveller device (tooth bar) is got back to extreme lower position again after grabbing the lifting of beam and gate, and is ready for breaking off relations.Otherwise, get ready for hook again after the unhook.So just realized grabbing the full-automation of beam.
The utility model has following beneficial effect compared to existing technology:
1. realize the full-automation in hook and the unhook process, removed artificial intermediary operation from, saved labour and working time.
2. this transmission mechanism of grabbing beam is all realized by mechanical system, and stable performance is reliable, uses simple.
Description of drawings
Fig. 1 is a front view of the present utility model.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is that the A of Fig. 1 is to view.
Fig. 4 is the partial enlarged drawing at I position among Fig. 2.
Fig. 5 is the partial enlarged drawing at II position among Fig. 2.
The specific embodiment
The utility model is further described below with reference to embodiment (accompanying drawing):
As shown in Figure 1, 2, 3, static balance formula full-automatic mechanical of the present utility model is grabbed beam and is comprised beam body 1 and the symmetrical hook gear that is installed in the and arranged on left and right sides on the beam body 1, is positioned at the roller devices 5 and 6 at beam body 1 both ends; Described hook gear is by being installed in suspension hook 2, the rocking arm 11 on the beam body 1 by articulated manner respectively and being connected suspension hook 2 and quadric chain that the lower link 3 of 11 on rocking arm constitutes is jointly formed; Described quadric chain combines with driving mechanism by the upper connecting rod 4 that is connected with rocking arm 11; Described driving mechanism comprises traveller device 7 and the unidirectional drive device 9 that vertically is installed in beam body 1 middle part; The tooth bar that is arranged on the traveller device 7 is meshed with gear on being arranged on unidirectional drive device 9; The axis I8 that described unidirectional drive device 9 comprises gear ring (this gear ring is both as power part---the gear that is meshed with tooth bar on the traveller device 7, simultaneously by the outer ring as one-way clutch), be arranged on one-way clutch in the gear ring, combine with the inner ring of one-way clutch and be installed in the eccentric wheel apparatus 10 (as shown in Figure 4) that being used on the axis I8 is connected upper connecting rod 4; The rocking arm 11 that is installed on the beam body 1 by rocker arm shaft 12 is provided with counterweight 13 (as shown in Figure 5).
Operating principle of the present utility model is as follows: rotate when traveller device 7 drives eccentric wheel when beam body 1 moves up, when traveller device 7 relative beam bodies 1 moved down, one-way clutch slided, and eccentric wheel does not change.Eccentric wheel, upper connecting rod 4, rocking arm 11 and beam body 1 constitute crank-link mechanism; And rocking arm 11, lower link 3, suspension hook 2 and beam body 1 constitute parallel four-bar linkage.This grab beam when utilizing it to descend and the relative displacement between the gate as input signal and the motion of energy drives tooth bar, the rotation of the motion driven gear of tooth bar, drive jackshaft and eccentric wheel rotation through one-way clutch again, eccentric wheel drives the suspension hook swing by pull bar, thereby realizes hook and the action of breaking off relations.
(1) unhook process
In original state, headstock gear is transferred by grabbing the beam gate that plays, and traveller device 7 (tooth bar) is because the deadweight effect is in the limit inferior position.No longer motion after gate puts in place, grabbing Liang Rengzai when headstock gear continues to transfer moves downward, and being subjected to the restriction of gate locating piece, traveller device 7 (tooth bar) can not move, traveller device 7 (tooth bar) displacement that just produces a relative beam body like this, thereby driven gear rotates, be positioned at eccentric wheel on the axis I8 also just along with rotation, make suspension hook 2 beats by upper connecting rod 4, rocking arm 11 and lower link 3 again.When traveller (tooth bar) was covered whole stroke (s=311mm), gear and eccentric wheel had turned over 180 ° of angles, and suspension hook is put maximum angular, left the hanger hole of gate, had so just realized gate automatically-unhooked after putting in place.
(2) hooking process
Original state, suspension hook are in the maximum pendulum angle position, and traveller device 7 (tooth bar) also is in the limit inferior position this moment, grabs the beam hollow hook lowering.When grabbing beam near gate, traveller device 7 (tooth bar) is run into locating piece on the gate and stop motion.Headstock gear continues to transfer when grabbing beam, and traveller (tooth bar) rotates gear and eccentric wheel, by upper connecting rod 4, rocking arm 11 and lower link 3 pivot angle of suspension hook 2 is reduced gradually again.When traveller (tooth bar) was covered whole stroke (s=311mm), gear and eccentric wheel had turned over 180 ° of angles, and suspension hook is got back to the upright position, entered the hanger hole of gate, had so just realized the automatic coupling after grabbing beam puts in place.
Because the effect of one-way clutch, traveller device 7 (tooth bars) are got back to extreme lower position again after grabbing the lifting of beam and gate, and are ready for breaking off relations.Otherwise, get ready for hook again after the unhook, so just realized grabbing the full-automation of beam.
Claims (3)
1. a static balance formula full-automatic mechanical is grabbed beam, it comprises that beam body (1) and symmetry are installed in the hook gear of the and arranged on left and right sides on the beam body (1), is characterized in that: described hook gear by be installed in suspension hook (2), the rocking arm (11) on the beam body (1) by articulated manner respectively and be connected suspension hook (2) and rocking arm (11) between the common quadric chain that constitutes of lower link (3) form; Described quadric chain combines with driving mechanism by the upper connecting rod (4) that is connected with rocking arm (11); Described driving mechanism comprises traveller device (7) and the unidirectional drive device (9) that vertically is installed in beam body (1) middle part; The tooth bar that is arranged on the traveller device (7) is meshed with gear on being arranged on unidirectional drive device (9); Unidirectional drive device (9) combines with pull bar (4) by connector.
2. static balance formula full-automatic mechanical according to claim 1 is grabbed beam, it is characterized in that: the axis I (8) that described unidirectional drive device (9) comprises gear ring, be arranged on one-way clutch in the gear ring, combine with the inner ring of one-way clutch and be installed in the eccentric wheel apparatus that is used to be connected upper connecting rod (4) (10) on the axis I (8).
3. static balance formula full-automatic mechanical according to claim 1 is grabbed beam, it is characterized in that: rocking arm (11) is provided with counterweight (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200894832U CN201010884Y (en) | 2007-02-14 | 2007-02-14 | Static balancing full-automatic mechanical grasping beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200894832U CN201010884Y (en) | 2007-02-14 | 2007-02-14 | Static balancing full-automatic mechanical grasping beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201010884Y true CN201010884Y (en) | 2008-01-23 |
Family
ID=39045828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200894832U Expired - Fee Related CN201010884Y (en) | 2007-02-14 | 2007-02-14 | Static balancing full-automatic mechanical grasping beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201010884Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102849608A (en) * | 2012-08-13 | 2013-01-02 | 广东省水利水电第三工程局 | Interlocking automatic hooking-unhooking device and use thereof |
| CN103243686A (en) * | 2013-05-03 | 2013-08-14 | 黄河勘测规划设计有限公司 | Automatic gate hooking and unhooking grabbing beam with rotary pins and swing rings |
| CN107188027A (en) * | 2017-07-26 | 2017-09-22 | 乔为民 | A kind of hanging beam suitable for hydraulic engineering gate |
| CN107313407A (en) * | 2017-08-02 | 2017-11-03 | 河南华北起重吊钩有限公司 | A kind of ship lock bulkhead gate automatic coupling/decoupling device |
-
2007
- 2007-02-14 CN CNU2007200894832U patent/CN201010884Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102849608A (en) * | 2012-08-13 | 2013-01-02 | 广东省水利水电第三工程局 | Interlocking automatic hooking-unhooking device and use thereof |
| CN103243686A (en) * | 2013-05-03 | 2013-08-14 | 黄河勘测规划设计有限公司 | Automatic gate hooking and unhooking grabbing beam with rotary pins and swing rings |
| CN107188027A (en) * | 2017-07-26 | 2017-09-22 | 乔为民 | A kind of hanging beam suitable for hydraulic engineering gate |
| CN107313407A (en) * | 2017-08-02 | 2017-11-03 | 河南华北起重吊钩有限公司 | A kind of ship lock bulkhead gate automatic coupling/decoupling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080123 Termination date: 20100214 |