CN206447480U - Dead-weight clamps lift - Google Patents
Dead-weight clamps lift Download PDFInfo
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- CN206447480U CN206447480U CN201720096951.2U CN201720096951U CN206447480U CN 206447480 U CN206447480 U CN 206447480U CN 201720096951 U CN201720096951 U CN 201720096951U CN 206447480 U CN206447480 U CN 206447480U
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Abstract
The utility model discloses a kind of dead-weight and clamps lift, cranked arm including dynamic crossbeam, two straight-arms, two, quiet crossbeam and self-locking mechanism, hook is provided with the middle part of dynamic crossbeam, the two ends of dynamic crossbeam have been respectively articulated with two straight-arms, the swinging end of two straight-arms moves crossbeam and is flared out relatively, and the second jointed shaft is respectively arranged with the swinging end of two straight-arms；Two hinged ends cranked arm are respectively hinged on two the second jointed shafts, and the relative straight-arm being hinged of the swinging end each cranked arm each is cranked arm upper respectively comprising straight section and tune, straight section is intersected, and tune is bent downwards to interior folding；The two ends of quiet crossbeam be respectively hinged at two crank arm on；Self-locking mechanism be arranged on dynamic crossbeam and crank arm or quiet crossbeam between.Dead-weight of the present utility model clamps lift need not apply any external force during clamping and unclamping concrete pipe sheet, can save manpower, and its clamping force is suitable, will not damage the cambered surface and arris of concrete pipe sheet.
Description
Technical field
The lifting technical field that the utility model belongs in architectural engineering, more particularly to a kind of dead-weight clamp lifting dress
Put.
Background technology
In the production of shield tunnel concrete pipe sheet, it will usually the experience lifting demoulding, hoisting transportation, storage, installation etc.
Each procedure.Due to particularity of the tunnel with pipe of concrete plate shape and material, when implementing above process, due to existing machine
The clamping force of tool formula demoulding clamp and mechanical lift is difficult to control to, and concrete pipe sheet is easily caused in handling process
Cambered surface and arris breakage.In order to avoid the breakage of concrete pipe sheet, typically now using absorption type demoulding clamp and absorption
Formula lift is realized the demoulding to concrete pipe sheet, transfer and deposited.But most job site is because condition is limited or is passed through
Often having a power failure causes absorption type demoulding clamp and absorption type lift in use and dangerous, so most client is still
Tend to from work such as the mechanical demouldings and lifting for clamping lift to realize concrete pipe sheet, then concrete pipe sheet
The damage of its cambered surface and arris will be difficult to avoid that in handling process.
Utility model content
To solve problem above, it is necessary to which a kind of dead-weight clamps lift, its clamping force is suitable, will not damage coagulation
The cambered surface and arris of native section of jurisdiction.
To reach above-mentioned purpose, the utility model is solved using following technical scheme.
A kind of dead-weight clamps lift, including dynamic crossbeam, two straight-arms, two crank arm, quiet crossbeam and self-locking mechanism,
Hook is provided with the middle part of the dynamic crossbeam, the two ends of the dynamic crossbeam are respectively arranged with the first jointed shaft；Two straight-arms
Hinged end be respectively hinged on first jointed shaft at the dynamic crossbeam two ends, the swinging ends of two straight-arms is relatively described dynamic
Crossbeam is flared out, and the second jointed shaft is respectively arranged with the swinging end of two straight-arms；The hinged end cranked arm described in two
It is respectively hinged on two second jointed shafts, the relative straight-arm being hinged of the swinging end cranked arm is to infolding
It is folded, it is each it is described crank arm it is upper include straight section and tune respectively, cranked arm described in two on straight section intersect, tune is turned under
Folding, it is each described crank arm on straight section and the intermediate location of tune be respectively arranged with the 3rd jointed shaft；The two ends of the quiet crossbeam
It is respectively hinged on the 3rd jointed shaft on being cranked arm described in two；The self-locking mechanism be arranged on the dynamic crossbeam with it is described
Crank arm or the quiet crossbeam between.
Lift is clamped according to dead-weight of the present utility model, when dynamic crossbeam is lifted by hook, is hinged on dynamic
Two straight-arms at crossbeam two ends can be because gravity be to turning inside out, and two be hinged respectively by straight section and two straight-arms, which crank arm, also can
Under gravity with respect to turned-out turn of straight-arm, because two straight sections cranked arm intersect, tune is extended downwardly from, therefore two
The distance between end of tune cranked arm reduces, and concrete pipe sheet can be clamped and sling by the end of its tune；Instantly
When putting crossbeam, because concrete pipe sheet contacts ground or other supporting surfaces, two ends of tune cranked arm will not still further below
It is mobile, now move two straight-arms that crossbeam two ends are hinged and flip to the outside, two straight sections for cranking arm respectively with respect to being hinged therewith
Straight-arm is to turning inside out, and the increase of the distance between two ends of tune for cranking arm can discharge concrete pipe sheet completely；Quiet horizontal stroke
Beam is connected between two straight sections cranked arm and the intermediate location of tune, can be straight to the flip angles of two straight-arms and on cranking arm
The clamping amplitude of the flip angle of section and the tune on cranking arm is limited.Be arranged on dynamic crossbeam and crank arm or quiet crossbeam between
Self-locking mechanism self-locking can release self-locking when slinging concrete pipe sheet, the tune cranked arm is started under the Action of Gravity Field of device
And concrete pipe sheet is clamped, it also can start self-locking when unclamping concrete pipe sheet, make the tune cranked arm in decentralization concrete pipe sheet
Continue to keep open configuration afterwards, do not influence the concrete pipe sheet after decentralization.Dead-weight of the present utility model clamps lift and existed
Clamp and need not apply any external force during unclamping concrete pipe sheet, manpower can be saved, and its clamping force is suitable, no
The cambered surface and arris of concrete pipe sheet can be damaged.
As preferred, cranked arm described in two on tune end on be respectively arranged with the 4th jointed shaft, described in two
A clamping plate has been respectively articulated with 4th jointed shaft, angled company is set between the clamping plate and the end of the quiet crossbeam
Bar, the upper end of the angle connecting rod is hinged on the quiet crossbeam under the 3rd outside for being hinged shaft position, the angle connecting rod
End is hinged on the clamping plate top in the 4th outside for being hinged shaft position.
Lift is clamped according to dead-weight of the present utility model, angle connecting rod is connected between quiet crossbeam and clamping plate,
Also continued to after dynamic crossbeam is contacted in quiet crossbeam with concrete pipe sheet in decentralization process, the straight section cranked arm is with respect to straight-arm and quiet crossbeam
To interior folding, the relatively quiet crossbeam of the tune cranked arm is flared out, and now angle connecting rod pulls on clamping plate around the 4th jointed shaft
Rotate, be flared out clamping plate, the convenient concrete pipe sheet that will be lifted enters in gripping range；When dynamic crossbeam is lifted
When, outwards opened with respect to straight-arm and quiet crossbeam in the straight section of self gravitation lower bent lever, now angle connecting rod will promote clamping plate
Rotated around the 4th jointed shaft, clamping plate is inwardly clamped concrete pipe sheet, and the gravity of concrete pipe sheet also increases clamping
The clamping force of plate, make concrete pipe sheet will not from two crank arm on tune on clamping plate between come off.
As preferred, line between two articulated positions and the 3rd jointed shaft and institute on the angle connecting rod
State the equal length of the line between the 4th jointed shaft and be parallel to each other.
Lift is clamped according to dead-weight of the present utility model, in order to avoid clamping plate is to the arris of concrete pipe sheet
Damage, the clamping direction in the clamping face on clamping plate should be horizontal direction；In order that the clamping direction in the clamping face on clamping plate
It is constant, then line between the line and the 3rd jointed shaft and the 4th jointed shaft between two articulated positions on angle connecting rod
Equal length and it is parallel to each other, two parallel edges on a similar parallelogram, because the 3rd jointed shaft and angle connect
The distance and bearing of pin joint on bar and dynamic crossbeam be it is fixed, therefore, when crank arm decentralization or lifting with dynamic crossbeam when,
No matter how clamping plate rotates around the 4th jointed shaft, between clamping plate and the articulated position and the 4th jointed shaft of angle connecting rod
Distance and bearing is fixed, i.e., the clamping face of clamping plate remains constant, then no matter how clamping plate is with cranking arm
Swing and swing, its clamping direction for clamping face is always horizontal direction.
As preferred, synchronising (connecting) rod is connected between being cranked arm described in two, one end of the synchronising (connecting) rod is connected to it
In the inclined inner side in lower section cranked arm with the pin joint of the 3rd jointed shaft described in one, the other end of the synchronising (connecting) rod is connected to
The inclined outside in top cranked arm described in another with the pin joint of the 3rd jointed shaft.
According to dead-weight of the present utility model clamp lift, due to synchronising (connecting) rod two ends articulated position not
Together, when one of them, which is cranked arm, is hinged an axially direction swing around the 3rd, synchronising (connecting) rod will drive another to crank arm around the 3rd
Axially opposite direction synchronous hunting is hinged, makes two to crank arm while opening or clamping, so as to play the clamping for correcting and cranking arm automatically
The purpose at center, it is to avoid the danger that whole device is toppled because of crank.
As preferred, it is described crank arm on be provided with hand rod, the hand rod be connected to straight section on described crank arm with
The outside of the intermediate location of tune.
Lift is clamped according to dead-weight of the present utility model, staff can be by hand rod to of the present utility model
Dead-weight clamps lift and carries out moving horizontally for a small range, and auxiliary dead-weight clamps lift in clamping or transfers mixed
Positioned during solidifying soil pipe, make clamping lift be easier to sling concrete pipe sheet.
As preferred, the lower edge at the two ends of the quiet crossbeam is respectively arranged with the spacing leg extended downwardly.
Lift is clamped according to dead-weight of the present utility model, the spacing leg of the lower edge at the two ends of quiet crossbeam can be propped up
Hold on the concrete pipe sheet that will be clamped, can make quiet crossbeam lower section both sides clamping plate clamp concrete pipe sheet when folder
Tight position and claming angle are constant all the time, it is ensured that the stability of the gripping performance of product.
As preferred, the self-locking mechanism includes elastic rocking beam and self-locking plate, and the upper end of the elastic rocking beam is hinged on
On the dynamic crossbeam, lower end is provided with lock pin；The self-locking plate be fixedly connected on it is described crank arm or the quiet crossbeam on, and be located at
The underface of the elastic rocking beam, the upper edge and lower edge of the self-locking plate are respectively arranged with to the inclined hypotenuse in the same side,
The side of the lower end of the hypotenuse is provided with locked groove, and the opening direction of the locked groove is identical with the incline direction of the hypotenuse.
According to dead-weight of the present utility model clamp lift, it is assumed that two crank arm on tune between clamp this coagulation
Native section of jurisdiction, when by crane, dynamic crossbeam is transferred, elastic rocking beam is servo-actuated crossbeam and moved down, until concrete pipe sheet contacts ground
Or other supporting surfaces, be arranged on quiet crossbeam or crank arm on self-locking plate stop move down, the end of elastic rocking beam will be with self-locking
Plate is contacted, the lock pin of the lower end of elastic rocking beam by along the hypotenuse on self-locking plate to a Slideslip, while elastic rocking beam have it is past
The dynamic trend of backswing, when lock pin skids off hypotenuse, under the elastic force back swung of elastic rocking beam, the lock pin on elastic rocking beam enters
In the locked groove for entering self-locking plate side, if now sling dynamic crossbeam upwards by linking up with, due to the lock pin on elastic rocking beam
Through hooking in the locked groove on self-locking plate, cranking arm or move crossbeam can be sling by elastic rocking beam, no longer because being swung by Action of Gravity Field,
Two crank arm on tune open configuration will be kept when slinging, no longer clamp concrete pipe sheet, it is ensured that concrete pipe sheet
Safety decentralization.
On the premise of elastic rocking beam and self-locking plate are in self-locking state, when needing to clamp lifting concrete pipe sheet, lead to
Cross crane to transfer dynamic crossbeam, until quiet crossbeam contacts concrete pipe sheet, now two stoppings of cranking arm continue to move down, and move horizontal stroke
Beam continues to move down, and the lower side along the locked groove on self-locking plate is skidded off locked groove by the lock pin of the lower end of elastic rocking beam, and
Self-locking plate is completely disengaged under the elastic force back swung of elastic rocking beam, self-locking state is released, is now carried dynamic crossbeam by crane
Rise, two are cranked arm by its tune clamping concrete pipe sheet under self gravitation effect, while the lock pin of the lower end of elastic rocking beam
The top of self-locking plate is in after being skidded off upwards along the lower edge of sub- self-locking plate, is recovered to initial released state.
As preferred, in addition to guide pad, the guide pad is arranged on outside the opening of the locked groove, on the guide pad
Wedge angle is provided with, the wedge angle stretches to the opening of the locked groove.
The wedge angle on lift, guide pad is clamped according to dead-weight of the present utility model to stretch into locked groove, the two of wedge angle
Upper side edge and lower side the formation passage of bar side and locked groove, are oriented to, particularly bullet to the lock pin on the end of elastic rocking beam
Property swing rod on lock pin when continuing slide downward in locked groove on self-locking plate, guide pad can help elastic rocking beam to center
Swing, elastic rocking beam is easily unlocked with self-locking plate.
As preferred, steady pin is provided with the dynamic crossbeam, the upper end of elastic rocking beam is provided with lasso, the lasso
It is sleeved on the steady pin, elastic component is provided between the lasso and the steady pin.
Lift is clamped according to dead-weight of the present utility model, can when the lock pin on elastic rocking beam is by external force or stop
Swung around steady pin, self-locking device is easily changed existing self-locking state or non-self-lock-ing state；It is arranged on lasso and fixation
Elastic component between pin makes elastic rocking beam have the trend swung to vertical position, and self-locking device can be helped to enter self-locking or releasing
Self-locking state.
As preferred, the lateral wall profile of the steady pin and the medial side wall profiles of the lasso are square, the set
Circle mutually deflects 45 ° with the steady pin, and the elastic component between the lasso and the steady pin is four pieces of Elastic Cylindrical blocks.
Lift is clamped according to dead-weight of the present utility model, makes the lateral wall profile of steady pin and the madial wall of lasso
Profile is square, and 45 ° of deflection mutually, and the gap of four triangles formed between lasso and retainer plate loads circle respectively
The rubber or silicone elastomer block of cylindricality, can make elastic rocking beam be in vertical state under force-free state；When on elastic rocking beam
Lock pin is encountered after clamping block swings, and the elastomer block between lasso and retainer plate will be squeezed, and make elastic rocking beam in stress
There is the trend returned to vertical position under state.
Brief description of the drawings
The utility model is described in further details with specific embodiment below in conjunction with the accompanying drawings.
Fig. 1 is that dead-weight of the present utility model clamps drive mechanism signal of the lift under clamping and lifting state
Figure；
Fig. 2 is that dead-weight of the present utility model clamps drive mechanism signal of the lift under decentralization and self-locking state
Figure；
Fig. 3 is that dead-weight of the present utility model clamps the drive mechanism schematic diagram of lift in the unlocked state；
Fig. 4 is the dimensional structure diagram that dead-weights of the Fig. 1 into Fig. 3 clamps lift；
Fig. 5 is a kind of concrete structure schematic diagram of embodiment of self-locking mechanisms of the Fig. 1 into Fig. 3.
In Fig. 1 into Fig. 5：1 dynamic crossbeam；101 hooks；102 first jointed shafts；103 steady pins；2 straight-arms；3 crank arm；301
Straight section；302 tunes；303 the 3rd jointed shafts；304 the 4th jointed shafts；4 quiet crossbeams；401 spacing legs；5 clamping plates；6 angles connect
Bar；7 synchronising (connecting) rods；8 hand rods；9 elastic rocking beams；901 lock pins；902 lassos；10 self-locking plates；11 guide pads；12 elastic components.
Embodiment
As shown in Figures 1 to 4, embodiment of the present utility model proposes that a kind of dead-weight clamps lift, including dynamic horizontal stroke
Beam 1, two straight-arms 2, two crank arm 3, quiet crossbeam 4 and self-locking mechanisms, the middle part of the dynamic crossbeam 1 is provided with hook 101, described
The two ends of dynamic crossbeam 1 are respectively arranged with the first jointed shaft 102；The hinged end of two straight-arms 2 is respectively hinged at the dynamic horizontal stroke
On first jointed shaft 102 at the two ends of beam 1, the relatively described dynamic crossbeam 1 of swinging end of two straight-arms 2 is flared out, two institutes
The second jointed shaft is respectively arranged with the swinging end for stating straight-arm 2；Cranked arm described in two 3 hinged end is respectively hinged at described in two
On second jointed shaft, it is each described crank arm 3 the relative straight-arm 2 being hinged of swinging end to interior folding, it is each described to crank arm 3
Upper to include straight section 301 and tune 302 respectively, the straight section 301 cranked arm described in two on 3 is intersected, and tune 302 is bent downwards,
The intermediate location of the straight section 301 cranked arm on 3 and tune 302 is respectively arranged with the 3rd jointed shaft 303；The quiet crossbeam
4 two ends are respectively hinged on the 3rd jointed shaft 303 cranked arm described in two on 3；The self-locking mechanism is arranged on described
Move between crossbeam 1 and the 3 or described quiet crossbeams 4 of cranking arm.
In the embodiment above, when dynamic crossbeam 1 is lifted by hook 101, be hinged on the dynamic two ends of crossbeam 1 two are straight
Arm 2 can be because gravity be to turning inside out, and two be hinged respectively by straight section 301 and two straight-arms 2 crank arm 3 also can be in Action of Gravity Field
Lower relative straight-arm 2 is outwards overturn, and because two 3 straight sections 301 of cranking arm intersect, tune 302 is extended downwardly from, therefore two songs
The distance between end of tune 302 of arm 3 reduces, and concrete pipe sheet can be clamped and sling by the end of its tune 302；
When the dynamic crossbeam 1 of decentralization, because concrete pipe sheet contacts ground or other supporting surfaces, two 3 ends of tune 302 of cranking arm will
No longer move down, now move two straight-arms 2 being hinged of the two ends of crossbeam 1 and flip to the outside, two 3 straight sections 301 of cranking arm are distinguished
The straight-arm 2 being hinged therewith relatively to turning inside out, two crank arm 3 the increase of the distance between the end of tune 302, can be by coagulation
Native section of jurisdiction discharges completely；Quiet crossbeam 4 is connected to two and cranked arm between 3 straight section 301 and the intermediate location of tune 302, can be to two
The clamping amplitude of the flip angle of the flip angle of individual straight-arm 2 and the straight section 301 cranked arm on 3 and the tune 302 on 3 of cranking arm is entered
Row limitation.The self-locking mechanism self-locking that dynamic crossbeam 1 is arranged between 3 or quiet crossbeams 4 of cranking arm can be solved when slinging concrete pipe sheet
Except self-locking, 3 tune 302 of making to crank arm starts under the Action of Gravity Field of device and clamps concrete pipe sheet, can also unclamp coagulation
Start self-locking during native section of jurisdiction, 3 tune 302 of making to crank arm continues to keep open configuration after decentralization concrete pipe sheet, not under the influence of
Concrete pipe sheet after putting.Dead-weight of the present utility model clamps lift during clamping and unclamping concrete pipe sheet
Any external force need not be applied, manpower can be saved, and its clamping force is suitable, will not damage cambered surface and the side of concrete pipe sheet
Rib.
According to one embodiment of the present utility model, it is respectively arranged with the end for the tune 302 on 3 of being cranked arm described in two
Be respectively articulated with a clamping plate 5 on 4th jointed shaft 304, two the 4th jointed shafts 304, the clamping plate 5 with it is described
Angled connecting rod 6 is set between the end of quiet crossbeam 4, and the upper end of the angle connecting rod 6 is hinged on the 3rd hinge on the quiet crossbeam 4
The outside of the position of spindle 303, the lower end of the angle connecting rod 6 is hinged on the outer of the position of the 4th jointed shaft 304 on the clamping plate 5
The top of side.
In the embodiment above, angle connecting rod 6 is connected between quiet crossbeam 4 and clamping plate 5, when dynamic crossbeam 1 is in quiet crossbeam 4
Also continued to after being contacted with concrete pipe sheet in decentralization process, crank arm 3 straight section 301 with respect to straight-arm 2 and quiet crossbeam 4 to interior folding,
The 3 relatively quiet crossbeam 4 of tune 302 of cranking arm is flared out, and now angle connecting rod pulls on clamping plate 5 around the 4th jointed shaft 304
Rotate, be flared out clamping plate 5, the convenient concrete pipe sheet that will be lifted enters in gripping range；When dynamic crossbeam 1 is lifted
When, outwards opened with respect to straight-arm 2 and quiet crossbeam 4 in the straight section 301 of self gravitation lower bent lever 3, now angle connecting rod will be promoted
Clamping plate 5 is rotated around the 4th jointed shaft 304, clamping plate 5 is inwardly clamped concrete pipe sheet, and the gravity of concrete pipe sheet
The clamping force of clamping plate 5 is added, concrete pipe sheet is not taken off between the clamping plate 5 on two tunes 302 cranked arm on 3
Fall.
According to one embodiment of the present utility model, line between two articulated positions on the angle connecting rod 6 with
The equal length of line between 3rd jointed shaft 303 and the 4th jointed shaft 304 and it is parallel to each other.
In the embodiment above, the folder on the damage in order to avoid clamping plate 5 to the arris of concrete pipe sheet, clamping plate 5
The clamping direction in tight face should be horizontal direction；In order that the clamping direction in the clamping face on clamping plate 5 is constant, then angle connecting rod 6
On two articulated positions between line and the 3rd jointed shaft 303 and the 4th jointed shaft 304 between line equal length
And be parallel to each other, two parallel edges on a similar parallelogram, due to the 3rd jointed shaft 303 and angle connecting rod 6 with
The distance and bearing of pin joint on dynamic crossbeam 1 be it is fixed, therefore, when crank arm 3 with dynamic crossbeam 1 decentralization or lifting when,
No matter how clamping plate 5 rotates around the 4th jointed shaft 304, the articulated position and the 4th jointed shaft of clamping plate 5 and angle connecting rod 6
The distance between 304 and orientation are fixed, i.e. the clamping face of clamping plate 5 remains constant, then regardless of clamping plate 5
With crank arm 3 swing and swing, its clamp face clamping direction be always horizontal direction.
As shown in Figure 1 to Figure 3, according to one embodiment of the present utility model, cranked arm described in two and be connected with synchronization between 3
Connecting rod 7, one end of the synchronising (connecting) rod 7 is connected to the pin joint of cranked arm described in one of them 3 and the 3rd jointed shaft 303
The inclined inner side in lower section, the other end of the synchronising (connecting) rod 7 is connected to the hinge of cranked arm described in another 3 and the 3rd jointed shaft 303
The inclined outside in top of contact.
In the embodiment above, due to synchronising (connecting) rod 7 two ends articulated position difference, when one of them crank arm 3 around
3rd jointed shaft 303 to a direction swing when, synchronising (connecting) rod 7 will drive another crank arm 3 around the 3rd jointed shaft 303 to opposite
Direction synchronous hunting, makes two to crank arm 3 while open or clamp, thus play automatic correction crank arm 3 clamping center purpose,
Avoid the danger that whole device is toppled because of crank.
According to one embodiment of the present utility model, described crank arm is provided with hand rod 8 on 3, and the hand rod 8 is connected to
The straight section 301 cranked arm on 3 and the outside of the intermediate location of tune 302.
In the embodiment above, staff can clamp lift by hand rod 8 to dead-weight of the present utility model
Moving horizontally for a small range is carried out, auxiliary dead-weight clamps lift and positioned when clamping or transferring pipe of concrete,
Clamping lift is set to be easier to sling concrete pipe sheet.
According to one embodiment of the present utility model, the lower edge at the two ends of the quiet crossbeam 4 is respectively arranged with to downward
The spacing leg 401 stretched.
In the embodiment above, the spacing leg 401 of the lower edge at the two ends of quiet crossbeam 4 can be supported mixed what will be clamped
On solidifying soil section of jurisdiction, clamped position and holding angle of the clamping plate 5 when clamping concrete pipe sheet of the lower section both sides of quiet crossbeam 4 can be made
Degree is constant all the time, it is ensured that the stability of the gripping performance of product.
As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 5, according to one embodiment of the present utility model, the self-locking mechanism includes bullet
Property swing rod 9 and self-locking plate 10, the upper end of the elastic rocking beam 9 are hinged on the dynamic crossbeam 1, and lower end is provided with lock pin 901；Institute
State self-locking plate 10 be fixedly connected on it is described crank arm on 3, and positioned at the underface of the elastic rocking beam 9, the self-locking plate 10 it is upper
Edge and lower edge are respectively arranged with to the inclined hypotenuse in the same side, and the side of the lower end of the hypotenuse is provided with locked groove, described
The opening direction of locked groove is identical with the incline direction of the hypotenuse.
In the embodiment above, electric hoist not only has hoisting function, it is assumed that pressed from both sides between the tune 302 that two are cranked arm on 3
This concrete pipe sheet is held, when dynamic crossbeam 1 is transferred by crane, elastic rocking beam 9 is servo-actuated crossbeam 1 and moved down, until concrete
Section of jurisdiction contacts ground or other supporting surfaces, and the self-locking plate 10 for being arranged on quiet crossbeam 4 or cranking arm on 3 stops moving down, elasticity pendulum
The end of bar 9 will be contacted with self-locking plate 10, and the lock pin 901 of the lower end of elastic rocking beam 9 is by along the hypotenuse on self-locking plate 10 to one
Slideslip, while elastic rocking beam 9 has the trend back swung, when lock pin 901 skids off hypotenuse, in elastic rocking beam 9 back
Under the elastic force of swing, the lock pin 901 on elastic rocking beam 9 enters in the locked groove of the side of self-locking plate 10, if now passing through hook 101
Dynamic crossbeam 1 is sling upwards, because the lock pin 901 on elastic rocking beam 9 has been hooked in the locked groove on self-locking plate 10, crank arm 3 or
Dynamic crossbeam 1 can be sling by elastic rocking beam 9, no longer because being swung by Action of Gravity Field, and two tunes 302 cranked arm on 3 will hung
Open configuration is kept when rising, concrete pipe sheet is no longer clamped, it is ensured that the safety decentralization of concrete pipe sheet.
On the premise of elastic rocking beam 9 and self-locking plate 10 are in self-locking state, when needing to clamp lifting concrete pipe sheet,
Dynamic crossbeam 1 is transferred by crane, until quiet crossbeam 4 contacts concrete pipe sheet, now two 3 stoppings of cranking arm continue to moving down
Dynamic, dynamic crossbeam 1 continues to move down, and the lock pin 901 of the lower end of elastic rocking beam 9 is by along the lower side of the locked groove on self-locking plate 10
Locked groove is skidded off, and self-locking plate 10 is completely disengaged under the elastic force back swung of elastic rocking beam 9, self-locking state is released, now leads to
Crane is crossed to lift dynamic crossbeam 1, two crank arm 3 under self gravitation effect by its tune 302 clamp concrete pipe sheet, simultaneously
Lower edge of the lock pin 901 of the lower end of elastic rocking beam 9 along sub- self-locking plate 10 is in the top of self-locking plate 10 after skidding off upwards, extensive
Again to initial released state.
As shown in figure 5, according to one embodiment of the present utility model, in addition to guide pad 11, the guide pad 11 is set
Outside the opening of the locked groove, wedge angle is provided with the guide pad 11, the wedge angle stretches to the opening of the locked groove.
In the embodiment above, the wedge angle on guide pad 11 is stretched into locked groove, two sides of wedge angle and the upper side edge of locked groove
With lower side formation passage, the lock pin 901 on the end of elastic rocking beam 9 is oriented to, particularly the lock pin on elastic rocking beam 9
When continuing slide downward in 901 locked groove on self-locking plate 10, guide pad 11 can help elastic rocking beam 9 to be swung to center,
Elastic rocking beam 9 is set easily to be unlocked with self-locking plate 10.
According to one embodiment of the present utility model, be provided with steady pin 103 on the dynamic crossbeam 1, elastic rocking beam 9 it is upper
End is provided with lasso 902, and the lasso 902 is sleeved on the steady pin 103, the lasso 902 and the steady pin 103 it
Between be provided with elastic component 12.
In the embodiment above, the lock pin 901 on elastic rocking beam 9 can be put by when external force or stop around steady pin 103
It is dynamic, self-locking device is easily changed existing self-locking state or non-self-lock-ing state；It is arranged between lasso 902 and steady pin 103
Elastic component 12 make elastic rocking beam 9 that there is the trend that is swung to vertical position, can help self-locking device enter self-locking or release from
Lock status.
As shown in figure 5, according to one embodiment of the present utility model, the lateral wall profile of the steady pin 103 and described
The medial side wall profiles of lasso 902 is square, the lasso 902 and the steady pin 103 mutually 45 ° of deflection, the lasso 902 with
Elastic component 12 between the steady pin 103 is four pieces of Elastic Cylindrical blocks.
In the embodiment above, it is square to make the lateral wall profile of steady pin 103 and the medial side wall profiles of lasso 902, and
45 ° of deflection mutually, the gap of four triangles formed between lasso 902 and retainer plate loads the rubber of cylinder respectively
Or silicone elastomer block, elastic rocking beam 9 can be made to be in vertical state under force-free state；When the lock pin 901 on elastic rocking beam 9 is touched
After being swung to clamping block, the elastomer block between lasso 902 and retainer plate will be squeezed, and make elastic rocking beam 9 in stress shape
There is the trend returned to vertical position under state.
Obviously, those skilled in the art can carry out various changes and modification without departing from this practicality to the utility model
New spirit and scope.So, if these modifications and variations of the present utility model belong to the utility model claim and
Within the scope of its equivalent technologies, then the utility model is also intended to comprising including these changes and modification.
Claims (10)
1. a kind of dead-weight clamps lift, it is characterised in that including：
Hook (101) is provided with the middle part of dynamic crossbeam (1), the dynamic crossbeam (1), the two ends of the dynamic crossbeam (1) are set respectively
There is the first jointed shaft (102)；
Two straight-arms (2), the hinged end of two straight-arms (2) is respectively hinged at the first of dynamic crossbeam (1) two ends and is hinged
On axle (102), the relatively described dynamic crossbeam (1) of swinging end of two straight-arms (2) is flared out, two straight-arms (2)
The second jointed shaft (201) is respectively arranged with swinging end；
Two are cranked arm (3), and the hinged end of (3) of being cranked arm described in two is respectively hinged on two second jointed shafts (201), often
It is individual it is described crank arm (3) the relative straight-arm (2) being hinged of swinging end to interior folding, each described crank arm is wrapped on (3) respectively
Containing straight section (301) and tune (302), the straight section (301) cranked arm described in two on (3) is intersected, and tune (302) is turned under
Folding, the intermediate location of each straight section (301) cranked arm on (3) and tune (302) is respectively arranged with the 3rd jointed shaft
(303)；
Quiet crossbeam (4), the two ends of the quiet crossbeam (4) are respectively hinged at the 3rd jointed shaft cranked arm described in two on (3)
(303) on；
Self-locking mechanism, the self-locking mechanism be arranged on the dynamic crossbeam (1) and it is described crank arm (3) or the quiet crossbeam (4) between.
2. dead-weight according to claim 1 clamps lift, it is characterised in that the song cranked arm described in two on (3)
It is respectively arranged with the 4th jointed shaft (304), two the 4th jointed shafts (304) and has been respectively articulated with the end of section (302)
One clamping plate (5), angled connecting rod (6), the angle are set between the clamping plate (5) and the end of the quiet crossbeam (4)
The upper end of degree connecting rod (6) is hinged on the outside of the 3rd jointed shaft (303) position on the quiet crossbeam (4), the angle connecting rod (6)
Lower end be hinged on the top in the outside of the 4th jointed shaft (304) position on the clamping plate (5).
3. dead-weight according to claim 2 clamps lift, it is characterised in that two on the angle connecting rod (6)
The length of the line between line and the 3rd jointed shaft (303) and the 4th jointed shaft (304) between individual articulated position
Degree is equal and is parallel to each other.
4. dead-weight according to claim 1 clamps lift, it is characterised in that crank arm and connect between (3) described in two
Be connected to synchronising (connecting) rod (7), one end of the synchronising (connecting) rod (7) be connected to described in one of them crank arm (3) be hinged with the described 3rd
The inclined inner side in lower section of the pin joint of axle (303), the other end of the synchronising (connecting) rod (7) be connected to described in another crank arm (3) with
The inclined outside in top of the pin joint of 3rd jointed shaft (303).
5. dead-weight according to claim 1 clamps lift, it is characterised in that described crank arm is provided with hand on (3)
Handrail (8), the hand rod (8) is connected to the outer of the intermediate location of the straight section (301) and tune (302) cranked arm on (3)
Side.
6. dead-weight according to claim 1 clamps lift, it is characterised in that the two ends of the quiet crossbeam (4)
It is respectively arranged below the spacing leg (401) extended downwardly.
7. dead-weight according to any one of claim 1 to 6 clamps lift, it is characterised in that described from lock machine
Structure includes：
Elastic rocking beam (9), the upper end of the elastic rocking beam (9) is hinged on the dynamic crossbeam (1), and lower end is provided with lock pin
(901)；
Self-locking plate (10), the self-locking plate (10) be fixedly connected on it is described crank arm (3) or the quiet crossbeam (4) on, and positioned at institute
State the underface of elastic rocking beam (9), the upper edge and lower edge of the self-locking plate (10) are respectively arranged with inclined to the same side
Hypotenuse, the side of the lower end of the hypotenuse is provided with locked groove, the incline direction phase of the opening direction of the locked groove and the hypotenuse
Together.
8. dead-weight according to claim 7 clamps lift, it is characterised in that described also including guide pad (11)
Guide pad (11) is arranged on outside the opening of the locked groove, and wedge angle is provided with the guide pad (11), and the wedge angle stretches to described
The opening of locked groove.
9. dead-weight according to claim 7 clamps lift, it is characterised in that be provided with the dynamic crossbeam (1)
Steady pin (103), the upper end of elastic rocking beam (9) is provided with lasso (902), and the lasso (902) is sleeved on the steady pin
(103) on, elastic component (12) is provided between the lasso (902) and the steady pin (103).
10. dead-weight according to claim 9 clamps lift, it is characterised in that the outside of the steady pin (103)
The medial side wall profiles of wall profile and the lasso (902) are square, and the lasso (902) is mutually inclined with the steady pin (103)
Turn 45 °, the elastic component (12) between the lasso (902) and the steady pin (103) is four pieces of Elastic Cylindrical blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720096951.2U CN206447480U (en) | 2017-01-25 | 2017-01-25 | Dead-weight clamps lift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720096951.2U CN206447480U (en) | 2017-01-25 | 2017-01-25 | Dead-weight clamps lift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206447480U true CN206447480U (en) | 2017-08-29 |
Family
ID=59667384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720096951.2U Active CN206447480U (en) | 2017-01-25 | 2017-01-25 | Dead-weight clamps lift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206447480U (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107825513A (en) * | 2017-10-31 | 2018-03-23 | 宁波市奉化智牛自动化设备设计有限公司 | A kind of adjusting mechanism of PC sunlight boards cutting equipment |
| CN107954314A (en) * | 2017-12-20 | 2018-04-24 | 石小锐 | A kind of intelligent suspender of exhaust pipe of engine assembling |
| CN108381597A (en) * | 2018-05-21 | 2018-08-10 | 衡阳市利美电瓶车制造有限责任公司 | A kind of passive mechanical hand |
| TWI638763B (en) | 2017-10-17 | 2018-10-21 | 台灣高速鐵路股份有限公司 | A rail wheel spreader device |
| CN108726196A (en) * | 2018-06-21 | 2018-11-02 | 陕西法士特齿轮有限责任公司 | A kind of sheet gear fuel manipulator crane structure |
| CN109573826A (en) * | 2019-01-25 | 2019-04-05 | 山西双环重工集团有限公司 | Automatic hook block and hanging device |
| CN113878610A (en) * | 2021-10-27 | 2022-01-04 | 潍坊新松机器人自动化有限公司 | Workpiece clamping tool for intelligent robot |
| CN117697945A (en) * | 2023-11-24 | 2024-03-15 | 中铁九局集团有限公司 | Production line and production method for multiple products of concrete member |
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- 2017-01-25 CN CN201720096951.2U patent/CN206447480U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI638763B (en) | 2017-10-17 | 2018-10-21 | 台灣高速鐵路股份有限公司 | A rail wheel spreader device |
| CN107825513A (en) * | 2017-10-31 | 2018-03-23 | 宁波市奉化智牛自动化设备设计有限公司 | A kind of adjusting mechanism of PC sunlight boards cutting equipment |
| CN107954314A (en) * | 2017-12-20 | 2018-04-24 | 石小锐 | A kind of intelligent suspender of exhaust pipe of engine assembling |
| CN107954314B (en) * | 2017-12-20 | 2023-09-19 | 石小锐 | Intelligent lifting appliance for assembling engine exhaust pipe |
| CN108381597A (en) * | 2018-05-21 | 2018-08-10 | 衡阳市利美电瓶车制造有限责任公司 | A kind of passive mechanical hand |
| CN108381597B (en) * | 2018-05-21 | 2023-10-10 | 衡阳市利美电瓶车制造有限责任公司 | Passive manipulator |
| CN108726196A (en) * | 2018-06-21 | 2018-11-02 | 陕西法士特齿轮有限责任公司 | A kind of sheet gear fuel manipulator crane structure |
| CN109573826A (en) * | 2019-01-25 | 2019-04-05 | 山西双环重工集团有限公司 | Automatic hook block and hanging device |
| CN113878610A (en) * | 2021-10-27 | 2022-01-04 | 潍坊新松机器人自动化有限公司 | Workpiece clamping tool for intelligent robot |
| CN117697945A (en) * | 2023-11-24 | 2024-03-15 | 中铁九局集团有限公司 | Production line and production method for multiple products of concrete member |
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