CN217478846U - Precast concrete component hoist device - Google Patents

Abstract

The utility model relates to a precast concrete component shaping technical field especially relates to a precast concrete component hoist device. Precast concrete component hoist device includes a pre-buried section of thick bamboo, hoist and mount piece, elasticity fold gasbag and annular rubber circle, be equipped with hoist and mount piece in the pre-buried section of thick bamboo, just hoist and mount piece is including slip column cap, connecting rod and hoist and mount curved bar, the slip column cap erects on last fender ring, just the last fixed surface of slip column cap installs the connecting rod, the fixed gomphosis in top of connecting rod has the hoist and mount curved bar, the overhead surface mounting gomphosis of slip column has the elasticity fold gasbag, just the last fixed surface gomphosis of elasticity fold gasbag has annular rubber circle. The utility model provides a precast concrete component hoist device has can not be because receive the pulling force too big in the twinkling of an eye, lead to appearing slight fracture scheduling problem with the precast concrete of pre-buried section of thick bamboo and connecting the member, also avoided the advantage of the too big problem of breaking of tensile stress in the twinkling of an eye that the hoist rope received simultaneously.

Description

Precast concrete component hoist device

Technical Field

The utility model relates to a precast concrete component shaping technical field especially relates to a precast concrete component hoist device.

Background

In the forming process of the concrete prefabricated part, a hoisting device is usually required to be embedded in the concrete prefabricated part for later-stage auxiliary hoisting and transferring movement of the concrete prefabricated part. In the prior art, hoisting devices are of various types, generally comprise embedded parts which are directly embedded in concrete and are provided with lifting lugs or connecting holes, and when the hoisting device is used, auxiliary hoisting movement of a concrete prefabricated part is realized by connecting ropes, lifting hooks and the like on the embedded parts.

The existing embedded parts have various structural forms, such as multi-strand steel wire cables with dampers, sheet metal parts with damping inner ends and connecting holes and the like, but with the technical progress and higher requirements of certain industries, the existing embedded parts are gradually difficult to meet the existing requirements. The current general requirements are that: structural strength is high, and the shaping construction of being convenient for has better disguise and does not produce adverse effect to the surface smoothness of concrete prefabricated component after arranging.

Therefore, there is a need to provide a new precast concrete unit lifting device to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a precast concrete component hoist device.

The utility model provides a precast concrete component hoist device includes:

a pre-buried cylinder, and

the upper retaining ring and the lower retaining ring are fixedly embedded in the embedded cylinder and distributed up and down, and a cylinder distance is arranged between the upper retaining ring and the lower retaining ring;

a hoisting piece is arranged in the embedded cylinder and comprises a sliding column head, a connecting rod and a hoisting curved rod, the sliding column head is erected on the upper baffle ring and is in sliding connection with the embedded cylinder, the connecting rod is fixedly mounted on the upper surface of the sliding column head, and the hoisting curved rod is fixedly embedded in the top of the connecting rod;

the flexible fold gasbag of slip column head upper surface fixed gomphosis, just the upper surface fixed gomphosis of flexible fold gasbag has annular rubber circle, annular rubber circle and the lower fixed surface who keeps off the ring down are connected, just annular rubber circle and the equal cover of flexible fold gasbag are established on the connecting rod.

Preferably, the bottom of the embedded cylinder is fixedly provided with a chassis, and the chassis is fixedly provided with a plurality of annularly distributed curved embedded plates.

Preferably, the wall of the embedded cylinder is provided with a plurality of annularly distributed curved grooves.

Preferably, be provided with the shutoff piece on the pre-buried section of thick bamboo, the shutoff piece includes cover, screwed pipe and turn button, the bottom fixed mounting of cover has the screwed pipe, just the top fixed mounting of cover has the turn button.

Preferably, the threaded pipe is matched with a threaded groove formed in the top of the embedded cylinder.

Preferably, a plurality of annularly distributed waist-shaped holes are formed in the embedded cylinder below the lower retaining ring.

Compared with the prior art, the utility model provides a precast concrete component hoist device has following beneficial effect:

1. the utility model discloses hang the couple hook of hoist and mount on the hoist and mount curved bar to slip column cap when lifting by crane and slide along pre-buried section of thick bamboo and compress elasticity fold gasbag and annular rubber circle, therefore when initial lifting by crane, because elasticity fold gasbag and annular rubber circle cushion the elasticity effect down the hoist and mount curved bar is outer smooth, simultaneously embedded pre-buried section of thick bamboo in the precast concrete component and the member on the pre-buried section of thick bamboo can not receive the pulling force too big because of the twinkling of an eye, lead to with pre-buried section of thick bamboo and the precast concrete of connecting the member to appear slight fracture scheduling problem, also avoided the hoist and mount rope to receive the problem that the transient tensile stress is too big and stretch out simultaneously;

2. the utility model discloses utilize the shutoff piece to seal the back with pre-buried bobbin top, make it and chassis directly pre-buried in precast concrete, the nozzle and the precast concrete parallel and level that keep pre-buried bobbin, and the bent type pre-buried board that sets up can increase and make both possess sufficient joint strength with the area of concrete contact, and the bent type groove that sets up on the pre-buried bobbin, the precast concrete of being convenient for flows to bent type inslot, thereby the joint strength and the frictional force of pre-buried bobbin have further been improved, the waist type hole of setting can be so that the concrete flows in the pre-buried bobbin in the lower retainer ring, improve the gomphosis dynamics of pre-buried bobbin.

Drawings

Fig. 1 is a schematic structural view of a precast concrete unit hoisting device according to a preferred embodiment of the present invention;

FIG. 2 is a schematic cross-sectional structure view of the pre-buried barrel shown in FIG. 1;

figure 3 is a schematic view of the structure of the sling shown in figure 2;

fig. 4 is a schematic structural view of the plugging member provided by the present invention.

The reference numbers in the figures: 1. pre-burying the cylinder; 2. an upper baffle ring; 3. a lower baffle ring; 4. hoisting a piece; 41. a sliding column head; 42. a connecting rod; 43. hoisting a curved bar; 5. an elastically pleated air bag; 6. an annular rubber ring; 7. a kidney-shaped hole; 8. a chassis; 9. a curved pre-embedded plate; 9a, a curved groove; 9b, thread groove; 9c, a plugging piece; 91c, a cartridge cover; 92c, a threaded pipe; 93c and a knob.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The following detailed description is provided to illustrate specific embodiments of the present invention.

Referring to fig. 1 to 4, an embodiment of the present invention provides a precast concrete unit hoisting device, which includes: the device comprises a pre-buried cylinder 1, a hoisting piece 4, an elastic folded air bag 5 and an annular rubber ring 6.

In the embodiment of the present invention, please refer to fig. 2 and fig. 3, an upper baffle ring 2 and a lower baffle ring 3 which are distributed vertically are fixedly embedded in the pre-buried cylinder 1, a cylinder distance is arranged between the upper baffle ring 2 and the lower baffle ring 3, a hoisting member 4 is arranged in the pre-buried cylinder 1, the hoisting member 4 includes a sliding column cap 41, a connecting rod 42 and a hoisting curved rod 43, the sliding column cap 41 is erected on the upper baffle ring 2 and is slidably connected with the pre-buried cylinder 1, the connecting rod 42 is fixedly installed on the upper surface of the sliding column cap 41, and the hoisting curved rod 43 is fixedly embedded in the top of the connecting rod 42;

the elastic fold gasbag 5 of fixed surface gomphosis on the slip column cap 41, just the fixed surface gomphosis of elastic fold gasbag 5 has annular rubber circle 6, annular rubber circle 6 is connected with the lower fixed surface who keeps off ring 3 down, just annular rubber circle 6 and elastic fold gasbag 5 are all established on connecting rod 42.

It should be noted that: when the precast concrete member is hoisted, the cylinder cover 91c is taken down, and the hoisting hook is hooked on the hoisting curved rod 43, so that the sliding column head 41 slides up along the embedded cylinder 1 and compresses the elastic folded air bag 5 and the annular rubber ring 6 when hoisting is performed, therefore, when the precast concrete member is initially hoisted, the hoisting curved rod 43 slides outwards under the buffering elastic force action of the elastic folded air bag 5 and the annular rubber ring 6, meanwhile, the embedded cylinder 1 embedded in the precast concrete member and the rod piece on the embedded cylinder 1 cannot be subjected to overlarge tension instantly, so that the precast concrete connected with the embedded cylinder 1 and the rod piece can not crack slightly and the like, and meanwhile, the problem that the hoisting rope is stretched due to overlarge instantaneous tensile stress is also avoided;

and after the hoisting is finished, the elastic fold air bag 5 and the annular rubber ring 6 are subjected to elastic recovery, so that the hoisting curved rod 43 which slides out of the embedded cylinder 1 slides back to the embedded cylinder 1, and the subsequent construction on the precast concrete component cannot be influenced.

In the embodiment of the present invention, please refer to fig. 1, a chassis 8 is fixedly installed at the bottom of the pre-buried cylinder 1, a plurality of curved pre-buried plates 9 distributed annularly are fixedly installed on the chassis 8, a plurality of curved grooves 9a distributed annularly are disposed on the cylinder wall of the pre-buried cylinder 1, and a plurality of waist-shaped holes 7 distributed annularly are disposed on the pre-buried cylinder 1 below the lower baffle ring 3.

It should be noted that: utilize shutoff piece 9c to seal the back with 1 top of pre-buried section of thick bamboo, make it and chassis 8 directly pre-buried in precast concrete, the nozzle and the precast concrete parallel and level that keep pre-buried section of thick bamboo 1, and the area that the pre-buried board of curved type 9 that sets up can increase and concrete contact makes both possess sufficient joint strength, and the curved type groove 9a that sets up on the pre-buried section of thick bamboo 1, the precast concrete of being convenient for flows to curved type groove 9a in, thereby further improved the joint strength and the frictional force of pre-buried section of thick bamboo 1, waist type hole 7 of setting can make the concrete flow to the pre-buried section of thick bamboo 1 in the lower fender ring 3, improve the gomphosis dynamics of pre-buried section of thick bamboo 1.

In the embodiment of the present invention, please refer to fig. 1 and 4, the pre-buried barrel 1 is provided with a plugging piece 9c, the plugging piece 9c includes a barrel cover 91c, a threaded pipe 92c and a knob 93c, the bottom fixed mounting of the barrel cover 91c has the threaded pipe 92c, and the top fixed mounting of the barrel cover 91c has the knob 93c, and the threaded pipe 92c matches with the threaded groove 9b opened at the top of the pre-buried barrel 1.

It should be noted that: before pre-burying, insert threaded pipe 92c and establish to the thread groove 9b that pre-buried section of thick bamboo 1 top was seted up and fix with the mode of rotatory screwing up to when pre-buried section of thick bamboo 1 is pre-buried, can avoid concrete stream to flow into pre-buried section of thick bamboo 1 from the nozzle of pre-buried section of thick bamboo 1, and follow-up after the concrete map solidifies, upset turn-button 93c and take off cover 91c from pre-buried section of thick bamboo 1 and can hoist.

The utility model provides a precast concrete component hoist device's theory of operation as follows:

before pre-embedding, the threaded pipe 92c is inserted into the threaded groove 9b arranged at the top of the pre-embedded cylinder 1 and fixed in a rotating and screwing manner, so that when the pre-embedded cylinder 1 is pre-embedded, concrete flow can be prevented from flowing into the pre-embedded cylinder 1 from the cylinder opening of the pre-embedded cylinder 1, and then after a concrete pattern is solidified, the rotating knob 93c is turned over, the cylinder cover 91c is taken off from the pre-embedded cylinder 1 for hoisting, and after the top of the pre-embedded cylinder 1 is sealed by the sealing piece 9c, the pre-embedded cylinder and the chassis 8 are directly pre-embedded in the precast concrete, the cylinder opening of the pre-embedded cylinder 1 is kept flush with the precast concrete, the arranged curved pre-embedded plate 9 can increase the area contacted with the concrete, so that the concrete has enough connection strength, the curved groove 9a arranged on the pre-embedded cylinder 1 facilitates the flow of the precast concrete to the curved groove 9a, and further improves the connection strength and the friction force of the pre-embedded cylinder 1, the waist-shaped holes 7 can enable concrete to flow into the embedded cylinders 1 in the lower retaining rings 3, and the embedding force of the embedded cylinders 1 is improved;

when the precast concrete member is hoisted, the cylinder cover 91c is taken down, the hoisting hook is hooked on the hoisting curved bar 43, so that the sliding column head 41 slides up along the embedded cylinder 1 and compresses the elastic folded air bag 5 and the annular rubber ring 6 when hoisting, therefore, when hoisting is started initially, the hoisting curved bar 43 slides outwards under the buffer elastic force action of the elastic folded air bag 5 and the annular rubber ring 6, meanwhile, the embedded cylinder 1 embedded in the precast concrete member and the rod piece on the embedded cylinder 1 cannot be subjected to overlarge tension instantly to cause the problems of slight cracking and the like of the precast concrete of the embedded cylinder 1 and the connecting rod piece, and simultaneously, the problem that the hoisting rope is subjected to overlarge instantaneous tension to stretch-break is also avoided, after hoisting is finished, the elastic folded air bag 5 and the annular rubber ring 6 are elastically restored, so that the hoisting curved bar 43 sliding outwards out of the embedded cylinder 1 slides back to the embedded cylinder 1, therefore, the subsequent construction on the precast concrete member is not influenced.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims (6)

1. A precast concrete member hoist device, comprising:

a pre-buried cylinder (1), and

an upper retaining ring (2) and a lower retaining ring (3) which are fixedly embedded in the embedded cylinder (1) and distributed up and down, wherein a cylinder distance is arranged between the upper retaining ring (2) and the lower retaining ring (3);

the device is characterized in that a hoisting piece (4) is arranged in the embedded cylinder (1), the hoisting piece (4) comprises a sliding column head (41), a connecting rod (42) and a hoisting curved rod (43), the sliding column head (41) is erected on the upper baffle ring (2) and is in sliding connection with the embedded cylinder (1), the connecting rod (42) is fixedly installed on the upper surface of the sliding column head (41), and the hoisting curved rod (43) is fixedly embedded in the top of the connecting rod (42);

the fixed surface of slip column cap (41) upper surface gomphosis has elastic fold gasbag (5), just the fixed surface of the upper surface gomphosis of elastic fold gasbag (5) has annular rubber circle (6), annular rubber circle (6) and the lower fixed surface who keeps off ring (3) down are connected, just annular rubber circle (6) and elastic fold gasbag (5) are all established on connecting rod (42) cover.

2. The precast concrete unit hoisting device according to claim 1, wherein a chassis (8) is fixedly installed at the bottom of the embedded cylinder (1), and a plurality of annularly distributed curved embedded plates (9) are fixedly installed on the chassis (8).

3. The precast concrete unit hoisting device according to claim 2, wherein the wall of the embedded cylinder (1) is provided with a plurality of annularly distributed curved grooves (9 a).

4. The precast concrete unit hoisting device according to claim 1, wherein a blocking piece (9 c) is arranged on the embedded cylinder (1), the blocking piece (9 c) comprises a cylinder cover (91 c), a threaded pipe (92 c) and a rotating button (93 c), the threaded pipe (92 c) is fixedly installed at the bottom of the cylinder cover (91 c), and the rotating button (93 c) is fixedly installed at the top of the cylinder cover (91 c).

5. The precast concrete unit hoisting device according to claim 4, wherein the threaded pipe (92 c) is matched with a threaded groove (9 b) formed in the top of the embedded cylinder (1).

6. The precast concrete unit hoisting device according to claim 1, wherein a plurality of annularly distributed waist-shaped holes (7) are formed in the embedded cylinder (1) below the lower baffle ring (3).

Images