CN214652967U - Spherical hinged lifting point adjusting device and bridge pier body lifting appliance comprising same - Google Patents
Spherical hinged lifting point adjusting device and bridge pier body lifting appliance comprising same Download PDFInfo
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- CN214652967U CN214652967U CN202023054502.2U CN202023054502U CN214652967U CN 214652967 U CN214652967 U CN 214652967U CN 202023054502 U CN202023054502 U CN 202023054502U CN 214652967 U CN214652967 U CN 214652967U
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Abstract
The utility model discloses spherical articulated hoisting point adjusting device reaches bridge pier shaft hoist including the device belongs to the hoist and mount field, concretely relates to large-scale asymmetric pier shaft's of adjustable hoisting point hoist, wherein, spherical articulated hoisting point adjusting device including set up the regulating plate of sliding tray, suit at the block outside the big nut of cable, with block articulated bulb screw rod, prevent that the bulb screw rod from breaking away from anticreep play apron, thread bush, fixing base, limiting plate, lock nut of block. The utility model discloses simple structure, the hoisting point position of adjustable large-scale asymmetric pier shaft makes the focus plumb line of pier shaft and the coincidence of floating crane lifting hook central line, lifts by crane the back pier shaft steady, need not to change the hoist during the pier shaft of hoist and mount different structures, has practiced thrift the hoist and mount cost, has improved hoist and mount efficiency.
Description
Technical Field
The utility model belongs to the hoist and mount field, concretely relates to hoisting point adjusting device of large-scale pier shaft hoist.
Background
In order to adapt to the erection of the bridge deck of a large-scale offshore bridge, the pier body structure of the bridge is constantly changed. At present, more and more asymmetric pier bodies are generated in the offshore hoisting operation of the large pier body, the gravity center position of the pier body is not at the center of the structure, the existing lifting appliance is adopted for hoisting, the lifting hook and the lifting appliance are subjected to unbalance loading, and the risk of instability of the floating crane exists.
There is the asymmetric pier shaft of multiple specification in the same project of marine hoist and mount operation, adopts the lower hoist of changing the difference to adapt to centrobaric change usually, and this kind of mode hoist and mount is with high costs, and the hoist is changed and is wasted time and energy, and hoist and mount inefficiency.
Therefore, an adjusting device capable of adjusting the position of the lifting point of the lifting appliance is urgently needed, so that the lifting point of the lifting appliance can be adjusted in the length direction, the gravity center perpendicular line of the pier body is arranged on the central line of the floating lifting hook, the change of the gravity center position of the pier body is adapted, the lifting cost is saved, and the lifting efficiency is improved.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a spherical articulated hoisting point adjusting device and bridge pier shaft hoist including the device, its adjustable large-scale asymmetric pier shaft's hoisting point position satisfies the focus plumb line and the coincidence of floating crane lifting hook central line of pier shaft, lifts by crane the back pier shaft steady, need not to change the hoist during the pier shaft of hoist and mount different structure, practices thrift the hoist and mount cost, improves hoist and mount efficiency.
The spherical hinged lifting point adjusting device of the utility model comprises an adjusting plate, a cover cap, an anti-disengagement cover plate, a thread sleeve, a fixed seat and a ball head screw rod, the limiting plate, lock nut, the regulating plate is provided with the sliding tray, the center of block has the screw thread through-hole, the block cover is on the big nut of cable, be equipped with the sphere groove on the lateral wall of block, the regulating plate, a fixed base, the limiting plate is fixed in proper order at the upper surface of hoist down, the thread bush is for having internal screw thread annular cover, the outer wall of thread bush is fixed and threaded connection is at the pole portion surface of bulb screw rod with the fixed base, the bulb of bulb screw rod inserts in the sphere groove with the sphere groove cooperation, bulb summit is greater than the bulb radius to the distance of bulb bottom surface, anticreep apron and block fixed connection, the pole portion of bulb screw rod passes the anticreep apron in proper order, the limiting plate locks through lock nut, the limiting plate is hugged closely to lock nut's terminal surface.
The utility model discloses spherical articulated hoisting point adjusting device wherein, still includes the spanner, and the spanner is worn to establish at the pole portion end of bulb screw rod.
The utility model discloses spherical articulated hoisting point adjusting device, wherein, the diameter of the through-hole that the anticreep was seted up from the apron is less than the diameter of bulb bottom surface.
The utility model discloses spherical articulated hoisting point adjusting device, wherein, sliding tray, block cap, anticreep apron, thread bush, fixing base, bulb screw rod, limiting plate, lock nut respectively have two, two sliding tray parallel arrangement.
The utility model discloses bridge pier shaft hoist, including two at least above-mentioned spherical articulated hoisting point adjusting device.
The utility model discloses bridge pier shaft hoist, wherein, the lower terminal surface of the big nut of cable is the sphere, and the upper end surface of cable still overlaps and is equipped with the sphere backing plate, the upper surface of sphere backing plate be with big nut down terminal surface complex sphere, the sphere backing plate is located between big nut and the regulating plate.
The utility model discloses bridge pier shaft hoist, wherein, the cable is less than or equal to 5 at the swing angle 0 of vertical direction alpha that is less than or equal to.
The utility model discloses beneficial effect:
the utility model discloses spherical articulated hoisting point adjusting device, moreover, the steam generator is simple in structure, when using, with hoisting point adjusting device's regulating plate, a fixed base, the limiting plate is fixed in proper order the upper surface of hoist under, the block cover is outside the big nut of cable, the bulb of bulb screw rod inserts in the spherical concave surface of block, when the spanner that the terminal wear to establish of pole portion of pulling the ball screw rod, the thread bush of fixing in the fixing base produces screw thrust, it advances or retreats to drive the bulb screw rod, and then drive the cable and remove in the sliding tray, after the hoisting point adjusts suitable position, lock nut to the limiting plate on, accomplish the adjustment of hoisting point, can be with the adjustment hoisting point, need not to more change the hoist and mount that the hoist just can adapt to the asymmetric pier shaft of different specifications, the cost of hoist and mount is practiced thrift, the efficiency of hoist and mount is improved.
The utility model discloses bridge pier shaft hoist adopts two at least spherical articulated hoisting point adjusting device, adjusts the position of cable respectively, makes the focus plumb line of asymmetric pier shaft and the coincidence of the central line of floating crane lifting hook, and it is steady to lift by crane the back pier shaft, practices thrift the hoist and mount cost, improves hoist and mount efficiency.
The spherical hinged suspension point adjusting device of the present invention will be further described with reference to the accompanying drawings.
Drawings
Fig. 1 is a front view of the spherically articulated suspension point adjusting device of the present invention, showing the guy cable and the lower spreader;
FIG. 2 is a top view of a spherically hinged hitch adjustment assembly;
FIG. 3 is a schematic view of a spherically hinged hitch adjuster coupled to a cable;
FIG. 4 is a diagram of a using state of a spherical hinged lifting point adjusting device, and is also a front view of a bridge pier body lifting appliance;
fig. 5 is a left side view of fig. 4.
Detailed Description
As shown in fig. 4 and 5, the bridge pier body hanger of the present invention comprises an upper rigging 20, a support beam 30, and an upper hanger 40, the upper end of the upper rigging 20 is connected with a floating crane hook 80, the lower end of the upper rigging 20 is connected with an upper hanger 40, the lower end of the upper rigging 20 is supported by a support beam 30, the upper end of the connecting rigging 50 is connected with the lower end of the upper hanger 40, the lower end of the connecting rigging 50 is connected with the upper end of the lower hanger 60, the upper end of the guy 70 penetrates through the upper surface of the lower hanger 60, the upper end of the guy 70 is locked by a large nut 701 having a spherical surface, the lower end surface of the large nut 701 is spherical, the outer surface of the upper end of the guy 70 is further sleeved with a spherical base plate 702, the upper surface of the spherical base plate 702 is a spherical surface matched with the lower end surface of the large nut 701, and the spherical base plate 702 is located between the adjusting plate 1 and the large nut 701 (see fig. 3).
Wherein, as shown in fig. 1-3, each spherical hinged hanging point adjusting device 10 comprises an adjusting plate 1, a cap 2, an anti-falling cover plate 3, a thread bush 4, a fixing seat 5, a ball screw 6, a limiting plate 7, a lock nut 8 and a wrench 9, the adjusting plate 1 is provided with an oblong sliding groove 11, the center of the cap 2 is provided with a thread through hole 21, the cap 2 is sleeved and fixed on a large nut 701 of a guy cable 70, the side wall of the cap 2 is provided with a spherical groove 22, the adjusting plate 1, the fixing seat 5 and the limiting plate 7 are sequentially fixed on the upper surface of a lower hanger 60, the thread bush 4 is an annular bush with internal threads, the outer wall of the thread bush 4 is fixed with the fixing seat 5 and is in threaded connection with the outer surface of the rod part of the ball screw 6, a ball 61 of the ball screw 6 is inserted into the spherical groove to be matched with the spherical groove 22 to form a universal hinged structure, the distance from the top of the ball top to the bottom surface is larger than the radius of the ball, prevent deviating from apron 3 and block 2 fixed connection, the diameter of the through-hole that 3 setups of anticreep apron is less than the diameter of bulb 61 bottom surface (see fig. 1), anticreep apron 3 can prevent that bulb 61 of bulb screw rod 6 from breaking away from in the spherical recess 22 of block 2, the pole portion of bulb screw rod 6 passes anticreep apron 3 in proper order, limiting plate 7 and through the locking of lock nut 8, limiting plate 7 is hugged closely to lock nut 8's right-hand member face, the position of locking bulb screw rod, spanner 9 wears to establish at the pole portion end of bulb screw rod 5.
The sliding grooves 11, the cap 2, the anti-falling cover plate 3, the threaded sleeve 4, the fixing seat 5, the ball head screw 6, the limiting plate 7 and the locking nut 8 are respectively two, and the two sliding grooves 11 are arranged in parallel (see fig. 2).
The utility model discloses bridge pier shaft hoist can set up more spherical articulated hoisting point adjusting device as required.
The utility model discloses bridge pier shaft hoist is a hoisting point adjustable pier shaft hoist, during the use, floating crane lifting hook hoists pier shaft 90 after being connected with pier shaft hoist through the upper portion rigging, because there is deviation X (see figure 4) in the focus perpendicular line 901 of pier shaft and floating crane lifting hook central line 801, adjust the position of each cable respectively through spherical articulated hoisting point adjusting device, make X0 ═ even the focus perpendicular line 901 of pier shaft and the coincidence of floating crane lifting hook central line 801, when pulling the spanner, the thread bush of fixing in the fixing base produces screw thrust, it advances or retreats to drive the bulb screw rod, and then drive the cable and remove in the sliding tray, the shown direction of arrow head in figure 1 is the adjustment direction, after the hoisting point adjusts suitable position, lock nut to the limiting plate on, accomplish the adjustment work of hoisting point. Because the cable has set up big nut and the sphere backing plate that has the sphere outward, the cable can swing in the vertical direction, the swing angle is alpha (see fig. 3), alpha is more than or equal to 0 ≤ 5, because be provided with the bulb screw rod, the block is adjusted around the bulb sphere of bulb screw rod along with the swing of cable, can not produce the torsion of any direction to the bulb screw rod, thereby whole hoisting point adjusting device has been protected, the very big diameter that has reduced the cable more, make the atress of cable more reasonable, let the pier shaft safer at hoist and mount operation in-process.
The utility model discloses can realize the adjustment of hoisting point position of marine large-scale asymmetric structure pier shaft hoist, the focus position of adjustment hoist and pier shaft when hoisting different specification pier shaft, need not to change down the hoist, has improved hoist and mount efficiency, has reduced the hoist and mount cost.
The above embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall within the protection scope defined by the claims of the present invention.
Claims (7)
1. The utility model provides a spherical articulated hoisting point adjusting device which characterized in that: comprises an adjusting plate (1), a cap (2), an anti-falling cover plate (3), a thread bush (4), a fixing seat (5), a ball screw (6), a limiting plate (7) and a locking nut (8), wherein the adjusting plate (1) is provided with a sliding groove (11), the center of the cap (2) is provided with a thread through hole, the cap (2) is sleeved on a big nut of the inhaul cable, the side wall of the cap (2) is provided with a spherical groove, the adjusting plate (1), the fixing seat (5) and the limiting plate (7) are sequentially fixed on the upper surface of a lower lifting appliance, the thread bush is an annular bush with internal threads, the outer wall of the thread bush (4) is fixed with the fixing seat (5) and is in threaded connection with the outer surface of the rod part of the ball screw (6), a ball head of the ball screw (6) is inserted into the spherical groove to be matched with the spherical groove, the distance from the top of the ball head to the bottom surface is greater than the radius of the ball head, the anti-falling cover plate (3) is fixedly connected with the cap (2), the rod part of the ball head screw rod (6) sequentially penetrates through the anti-disengagement cover plate (3) and the limiting plate (7) and is locked through the locking nut (8), and the limiting plate (7) is tightly attached to the end face of the locking nut (8).
2. The ball-hinged hitch adjustment apparatus of claim 1, further comprising: the ball head screw rod further comprises a wrench (9), wherein the wrench (9) is arranged at the tail end of the rod part of the ball head screw rod (6) in a penetrating mode.
3. The ball-hinged hitch adjustment apparatus of claim 2, further comprising: the diameter of the through hole formed in the anti-falling cover plate (3) is smaller than that of the bottom surface of the ball head.
4. The ball-hinged hitch adjustment apparatus of claim 3, further comprising: the anti-falling-off cover plate is characterized in that the sliding grooves (11), the cap (2), the anti-falling-off cover plate (3), the thread bush (4), the fixing seat (5), the ball head screw rod (6), the limiting plate (7) and the locking nut (8) are respectively provided with two, and the two sliding grooves (11) are arranged in parallel.
5. The utility model provides a bridge pier shaft hoist which characterized in that: comprising at least two ball-jointed suspension point adjustment devices (10) according to any of claims 1-4.
6. The bridge pier body lifting appliance according to claim 5, wherein: the lower end face of the large nut of the inhaul cable is a spherical surface, the outer surface of the upper end portion of the inhaul cable is further sleeved with a spherical surface base plate, the upper surface of the spherical surface base plate is a spherical surface matched with the lower end face of the large nut, and the spherical surface base plate is located between the large nut and the adjusting plate.
7. The bridge pier body lifting appliance according to claim 6, wherein: the swing angle alpha of the inhaul cable in the vertical direction is more than or equal to 0 degree and less than or equal to 5 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023054502.2U CN214652967U (en) | 2020-12-17 | 2020-12-17 | Spherical hinged lifting point adjusting device and bridge pier body lifting appliance comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023054502.2U CN214652967U (en) | 2020-12-17 | 2020-12-17 | Spherical hinged lifting point adjusting device and bridge pier body lifting appliance comprising same |
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| CN214652967U true CN214652967U (en) | 2021-11-09 |
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| CN202023054502.2U Active CN214652967U (en) | 2020-12-17 | 2020-12-17 | Spherical hinged lifting point adjusting device and bridge pier body lifting appliance comprising same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114261877A (en) * | 2021-12-21 | 2022-04-01 | 北京特种机械研究所 | Universal lifting point adjusting and locking mechanism for lifting appliance |
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2020
- 2020-12-17 CN CN202023054502.2U patent/CN214652967U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114261877A (en) * | 2021-12-21 | 2022-04-01 | 北京特种机械研究所 | Universal lifting point adjusting and locking mechanism for lifting appliance |
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