CN218619976U - Sleeve hoisting device - Google Patents

Abstract

The utility model discloses a sleeve pipe hoisting device belongs to the lifting device field. The utility model provides a sleeve pipe hoisting device, including supporting base and U type frame, the bottom of U type frame and the top fixed connection who supports the base, and the top center department of U type frame is equipped with the through-hole, U type frame left end lateral surface fixed mounting has the motor, the output of motor runs through the left side and the fixed mounting of U type frame has the driving gear, the left end medial surface fixed mounting of U type frame has two bearing frames that distribute symmetrical position around the motor output, and all rotate in two bearing frames and be connected with the bull stick, the other end and the U type frame right-hand member medial surface of bull stick rotate and be connected, the left side of the surface of two bull sticks all fixed cup joint have one with driving gear intermeshing's driven gear, the surface of two bull sticks all fixed cup joint have two bilateral symmetry distribute around the rope sheave. The utility model discloses a solved current sleeve pipe hoisting process range of rocking big and have the problem of the hidden danger that drops.

Description

Sleeve hoisting device

Technical Field

The utility model relates to a lifting device technical field, more specifically say, the utility model relates to a sleeve pipe hoisting device.

Background

In the construction process at harbour, need utilize the rig to carry out broken drilling treatment to the submarine rock layer, and the part of drilling is the drilling rod, drilling rod through continuous threaded connection realizes under the general condition, it is putting in the sheathed tube that plays the guard action to cross the drilling rod, just so need carry out sheathed tube operation of lifting by crane, traditional sleeve pipe is lifted by crane and is the same with the tower crane hoist and mount building materials on the building site, directly lift by crane after the utilization is binded, but there is the sleeve pipe in this kind to lift by crane the mode and can appear rocking at the in-process of lifting by crane, and then probably bump peripheral equipment, and the sleeve pipe still can appear droing in the process of lifting by crane, the potential safety hazard is big, and the sleeve pipe consequently also can cause serious damage.

The technical breakthrough point for reducing the shaking amplitude of the casing hoisting process and avoiding the falling of the casing is the breakthrough point in the whole hoisting process, and the casing hoisting device is provided aiming at the breakthrough point.

SUMMERY OF THE UTILITY MODEL

1. The to-be-solved technical problem of the utility model

An embodiment of the utility model provides a casing pipe hoisting device to solve the problem that proposes in the above-mentioned background art:

the shaking amplitude of the casing pipe is large in the hoisting process and the falling potential safety hazard exists.

2. Technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a casing pipe hoisting device comprises a supporting base and a U-shaped frame, wherein the bottom of the U-shaped frame is fixedly connected with the top of the supporting base, a through hole is formed in the center of the top of the U-shaped frame, a motor is fixedly installed on the outer side face of the left end of the U-shaped frame, and an output end of the motor penetrates through the left side of the U-shaped frame and is fixedly provided with a driving gear;

two bearing seats distributed at front and back symmetrical positions of the output end of the motor are fixedly arranged on the inner side surface of the left end of the U-shaped rack, rotating rods are rotatably connected in the two bearing seats, the other ends of the rotating rods are rotatably connected with the inner side surface of the right end of the U-shaped rack, a driven gear meshed with a driving gear is fixedly sleeved on the left sides of the outer surfaces of the two rotating rods, and two rope winding wheels which are symmetrically distributed left and right are fixedly sleeved on the outer surfaces of the two rotating rods;

two bilateral symmetry limiting cylinders are fixedly mounted between the upper surface of the supporting base and the lower surface of the top of the U-shaped frame, sliding mechanisms are movably sleeved on the outer surfaces of the two limiting cylinders, and clamping mechanisms are fixedly mounted at the ends, close to each other, of the two sliding mechanisms.

Preferably, slide mechanism includes the nut piece that cup joints with the surface slip of spacing cylinder, and the nut piece is kept away from the one end fixed mounting that supports the base center and is had the slide bar with U type framework medial surface sliding connection, and the equal fixed mounting of front and back end of nut piece has the connection otic placode, and is connected with the stay cord between the top of connecting the otic placode and the rope winding wheel that corresponds the upper end.

Preferably, the outer surfaces of the two rope winding wheels are provided with grooves for preventing the deviation of the pulling rope in the winding and unwinding processes.

Preferably, the clamping mechanism comprises an electric push rod fixed on one side of the nut block close to the center of the supporting base, and a clamping ring is fixedly mounted at the output end of the electric push rod.

Preferably, the anti-slip pad with the oblique stripes is fixedly bonded to one end, close to each other, of each of the two clamping rings, and the vertical height of each clamping ring is five centimeters

Preferably, the motor is a forward and reverse rotation type driving motor, and a heat dissipation protection casing is arranged outside the motor.

3. Advantageous effects

(1) A sliding rod in the sliding mechanism slides up and down on the inner side face of the U-shaped rack, and the connecting lug plate and the pull rope are matched to enable the nut block to stably move at a constant speed on the outer surface of the limiting cylinder, so that the stability of the moving direction of the nut block is ensured, and meanwhile, the resistance of the sliding mechanism in moving up and down is reduced, and the energy consumption of the casing during hoisting is reduced.

(2) The distance between the two clamping rings can be adjusted by the design of the hydraulic cylinder of the clamping mechanism, so that the device is suitable for hoisting sleeves with different diameters, and the application range is improved; the vertical height of grip ring is five centimetres, can increase the area of contact of grip ring and the outer disc of sleeve pipe, attaches the slipmat of grip ring inboard face, has improved the centre gripping effort between grip ring and the sleeve pipe, avoids the sleeve pipe to hoist the in-process and takes place to drop, and the security obtains guaranteeing, and the sleeve pipe can not cause the damage because of appearing droing in addition.

(3) The motor drives the driving gear to rotate, and the driving gear and the front and back two driven gears are mutually meshed, so that the two driven gears are always in synchronous rotation, and in the process of hoisting the sleeve, the pull rope at the front end and the back end of each nut block is matched with the lug plate to drive the nut block to stably move upwards, so that the stable and constant hoisting of the sleeve is finally realized, and the shaking during hoisting the sleeve is avoided.

Drawings

Fig. 1 is a schematic view of a first viewing angle of the main body of the present invention.

Fig. 2 is a front view of the main body of the present invention.

Fig. 3 is a top view of the meshing relationship between the driving gear and the two driven gears according to the present invention.

Fig. 4 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

The numbering in the figures illustrates:

1. a support base; 2. a U-shaped frame; 3. a through hole; 4. a motor; 5. a driving gear; 6. A bearing seat; 7. a rotating rod; 8. a driven gear; 9. a rope winding wheel; 10. a limiting cylinder; 11. a sliding mechanism; 111. a nut block; 112. a slide bar; 113. connecting the ear plates; 114. pulling a rope; 12. a clamping mechanism; 121. an electric push rod; 122. a clamping ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Example 1:

referring to fig. 1-2, a casing pipe hoisting device comprises a support base 1 and a U-shaped frame 2,U, wherein the bottom of the frame 2 is fixedly connected with the top of the support base 1, a through hole 3,U is formed in the center of the top of the U-shaped frame 2, a motor 4 is fixedly installed on the outer side surface of the left end of the frame 2, the motor 4 is a forward and reverse rotation type drive motor 4, a heat dissipation protection shell is arranged outside the motor 4, the problem that heat cannot be timely dissipated after the motor 4 works for a long time is avoided, the service cycle of the motor 4 is affected, equipment faults caused by heat accumulation can be effectively reduced, the output end of the motor 4 penetrates through the left side of the U-shaped frame 2 and is fixedly provided with a driving gear 5, the motor 4 is started, and the driving gear 5 at the output end of the motor 4 starts to rotate;

two bearing seats 6 distributed at front and back symmetrical positions of the output end of the motor 4 are fixedly installed on the inner side surface of the left end of the U-shaped frame 2, rotating rods 7 are rotatably connected in the two bearing seats 6, the other ends of the rotating rods 7 are rotatably connected with the inner side surface of the right end of the U-shaped frame 2, a driven gear 8 meshed with the driving gear 5 is fixedly sleeved on the left side of the outer surfaces of the two rotating rods 7, and when a sleeve needs to be hoisted, two winding wheels 9 symmetrically distributed left and right are fixedly sleeved on the outer surfaces of the two rotating rods 7;

fixed mounting has two bilateral symmetry's spacing cylinder 10 between the lower surface at support base 1's upper surface and U type framework 2 top, and two equal movable sliding mechanism 11 that have cup jointed of surface of spacing cylinder 10, and the equal fixed mounting of one end that two sliding mechanism 11 are close to each other has fixture 12, and it is fixed to utilize fixture 12 to carry out the centre gripping with the sleeve pipe that needs to be hoisted, avoids the sleeve pipe to take place to drop hoisting the in-process.

Example 2:

referring to fig. 2-3, the basic difference of embodiment 1 is that the sliding mechanism 11 includes a nut block 111 slidably sleeved on the outer surface of the limiting cylinder 10, and one end of the nut block 111 away from the center of the supporting base 1 is fixedly installed with a sliding rod 112 slidably connected to the inner side of the U-shaped frame 2, the front and rear ends of the nut block 111 are fixedly installed with connecting ear plates 113, and a pull rope 114 is connected between the top of the connecting ear plate 113 and the corresponding upper end of the rope winding wheel 9, and the outer surfaces of the two rope winding wheels 9 are provided with grooves for preventing the pull rope 114 from deviating during the winding and unwinding process, so that no matter the rope winding wheel 9 rotates forwards or backwards, the acting force of the pull rope 114 and the corresponding lower end ear plate is always in the vertical direction, thereby ensuring the stability of the movement of the sliding mechanism 11, which indirectly improves the constancy of the movement direction of the sleeve, and avoiding the sleeve from shaking.

Example 3:

referring to fig. 2-4, the basic difference of embodiment 2 is that the clamping mechanism 12 includes an electric push rod 121 fixed to one side of the nut block 111 close to the center of the supporting base 1, and the output end of the electric push rod 121 is fixedly installed with a clamping ring 122, the output end of the electric push rod 121 is first started to be retracted, the casing is placed between the clamping rings 122 at the output ends of the two electric push rods 121, and then the electric push rod 121 is started, so that the two clamping rings 122 are close to each other to clamp and fix the outer circumferential surface of the casing, the ends of the two clamping rings 122 close to each other are fixedly bonded with anti-slip pads with oblique stripes, and the vertical height of each clamping ring 122 is five centimeters, thereby ensuring the contact area between the inner side surface of the clamping ring 122 and the outer circumferential surface of the casing, further improving the clamping effect of the casing, and preventing the casing from falling off.

The above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a sleeve pipe hoisting accessory, includes support base (1) and U type framework (2), its characterized in that: the bottom of the U-shaped frame (2) is fixedly connected with the top of the supporting base (1), a through hole (3) is formed in the center of the top of the U-shaped frame (2), a motor (4) is fixedly installed on the outer side face of the left end of the U-shaped frame (2), and an output end of the motor (4) penetrates through the left side of the U-shaped frame (2) and is fixedly provided with a driving gear (5);

two bearing seats (6) distributed at front and back symmetrical positions of the output end of the motor (4) are fixedly mounted on the inner side face of the left end of the U-shaped frame (2), rotating rods (7) are rotatably connected in the two bearing seats (6), the other ends of the rotating rods (7) are rotatably connected with the inner side face of the right end of the U-shaped frame (2), driven gears (8) meshed with the driving gears (5) are fixedly sleeved on the left sides of the outer surfaces of the two rotating rods (7), and two winding wheels (9) symmetrically distributed left and right are fixedly sleeved on the outer surfaces of the two rotating rods (7);

fixed mounting has two bilateral symmetry's spacing cylinder (10) between the upper surface of support base (1) and the lower surface at U type framework (2) top, and the surface of two spacing cylinder (10) has all movably cup jointed slide mechanism (11), and the equal fixed mounting in one end that two slide mechanism (11) are close to each other has fixture (12).

2. A casing lifting device according to claim 1, wherein: slide mechanism (11) include nut piece (111) with spacing cylinder (10) surface slip bell and spigot joint, and nut piece (111) keep away from the one end fixed mounting at support base (1) center have with U type framework (2) medial surface sliding connection's slide bar (112), the equal fixed mounting of front and back end of nut piece (111) has connection otic placode (113), and the top of connection otic placode (113) with correspond and be connected with stay cord (114) between rope sheave (9) of upper end.

3. A casing lifting device according to claim 2, wherein: the outer surfaces of the two rope winding wheels (9) are provided with grooves for preventing the deviation of the pull rope (114) in the winding and unwinding process.

4. A casing lifting device according to claim 1, wherein: the clamping mechanism (12) comprises an electric push rod (121) which is fixed on one side of the nut block (111) close to the center of the supporting base (1), and a clamping ring (122) is fixedly mounted at the output end of the electric push rod (121).

5. A casing lifting device according to claim 4, wherein: and anti-slip pads with oblique stripes are fixedly adhered to the ends, close to each other, of the two clamping rings (122), and the vertical height of each clamping ring (122) is five centimeters.

6. A casing lifting device according to claim 1, wherein: the motor (4) is a forward and reverse rotation type driving motor, and a heat dissipation protection casing is arranged outside the motor (4).

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