CN111455860A

CN111455860A - Pier curing means

Info

Publication number: CN111455860A
Application number: CN202010363952.5A
Authority: CN
Inventors: 丁钟魁
Original assignee: 丁钟魁
Current assignee: Guangdong Changhong Construction Group Co.,Ltd.
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-07-28
Anticipated expiration: 2040-04-30
Also published as: CN111455860B

Abstract

The invention relates to a pier maintenance device, which effectively solves the problems of high pier film covering operation equipment investment, low efficiency, unsatisfactory effect and high construction risk; the technical scheme includes that the film covering unit comprises a climbing unit and a film covering unit, the film covering unit comprises a bearing plate capable of rotating around a pier, a water spraying pipe, a rotating shaft, a gas spraying pipe and an arc-shaped groove are arranged on the bearing plate, the arc-shaped groove is concentric with a second annular frame, a vertical shaft capable of sliding along the arc-shaped groove is arranged in the arc-shaped groove, the vertical shaft is fixedly connected with a rolling shaft parallel to the vertical shaft, a fixing unit capable of fixing a film head is arranged on the rolling shaft, and the rolling shaft and the vertical shaft can slide in the arc-shaped groove so as to pull the film head; the film laminating machine can realize film laminating work of the bridge pier without using lifting equipment and without the need of climbing to the top of the bridge pier by workers, greatly reduces the investment and occupation of the lifting equipment or an aerial ladder by the film laminating of the bridge pier, and greatly reduces the construction risk without the need of climbing operation by the workers.

Description

Pier curing means

Technical Field

The invention relates to the field of bridge construction, in particular to a pier maintenance device.

Background

After the pier is cast and demoulded, the internal concrete can generate hydration exothermic reaction, and a layer of plastic film is required to wrap the pier in order to prevent the concrete from forming cracks due to the too fast evaporation of water in the pier body; winding the film generally requires winding from top to bottom, i.e. the lower layer is laminated to the upper layer, so that the separated moisture can be prevented from flowing out of the film seam; at present, when film covering is carried out on a high pier, a crane is required to hoist a film roll through a rope, the crane or an aerial ladder is used for conveying a worker to the top of the pier, the worker fixes a film head on the pier and then gradually lowers the film roll, and meanwhile, the worker shakes the rope to enable the film to be wound around the pier to rotate, so that film covering of the pier is realized; the mode needs large-scale equipment such as cranes and the like, the equipment investment is large, when film covering is carried out on the piers in batches, the conversion speed of the equipment among the piers is full, the construction efficiency is greatly influenced, meanwhile, workers need to climb to the tops of the piers, the construction risk is increased, in addition, the winding effect is not ideal, and the film covering is not compact and uniform; also there are some tectorial membrane devices at present, but all are difficult to accomplish the fixed of film head in the pier upper end voluntarily, still need the workman to climb to the pier top and fix, perhaps move back and ask the next adoption from up winding mode down, even so, the fixed effect of film head of upper end is also not ideal after the tectorial membrane is accomplished.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the pier maintenance device, which effectively solves the problems of high pier film covering operation equipment investment, low efficiency, non-ideal effect and high construction risk.

The technical scheme for solving the problem is that the pier maintenance device comprises an annular frame, wherein a climbing unit and a film covering unit are arranged on the annular frame, the climbing unit comprises a plurality of climbing wheels which are uniformly distributed on the circumference of the annular frame, and the plurality of climbing wheels tightly hold the pier; the film covering unit is positioned above the climbing unit and comprises a horizontal bearing plate, an annular chute is formed in the inner wall of the annular frame, a pulley is mounted on the bearing plate and is arranged in the chute, a horizontal screw rod is fixed below the bearing plate, a sliding sleeve is sleeved on the screw rod, a vertical first motor is fixed on the sliding sleeve and is connected with a horizontal travelling wheel, an adjusting nut is screwed on the screw rod and can push the sliding sleeve to move towards the circle center direction of the annular frame, and therefore the travelling wheel can be tightly pressed against the surface of a pier; the bearing plate is provided with a vertical water spraying pipe, a vertical rotating shaft, a vertical gas spraying pipe and an arc-shaped groove, the water spraying pipe, the rotating shaft, the gas spraying pipe and the arc-shaped groove are sequentially arranged on the bearing plate in an anticlockwise sequence, small holes facing the inner side of the second annular frame are formed in the side walls of the water spraying pipe and the gas spraying pipe, the arc-shaped groove and the second annular frame are concentric, a vertical shaft capable of sliding along the arc-shaped groove is installed in the arc-shaped groove, a rolling shaft parallel to the vertical shaft is arranged outside the vertical shaft, and the upper end and the lower end of the rolling shaft are correspondingly connected with the upper end and the lower end of the vertical shaft; the rolling shaft is provided with an axial elongated slot, a strip block is arranged in the elongated slot, a pressure spring is arranged between the inner side of the strip block and the bottom of the elongated slot, a plurality of spike teeth extending out of the elongated slot are fixed on the outer side of the strip block, the spike teeth are uniformly distributed along the length direction of the strip block, an elastic clamping block is arranged at the end part of the elongated slot, a clamping groove is arranged at the end part of the strip block, the strip block moves towards the bottom of the elongated slot to enable the elastic clamping block to be clamped in the clamping groove, and a clamping jaw is arranged on the annular frame and can.

The film laminating machine can realize film laminating work of the bridge pier without using lifting equipment and without the need of climbing to the top of the bridge pier by workers, greatly reduces the investment and occupation of the lifting equipment or an aerial ladder by the film laminating of the bridge pier, and greatly reduces the construction risk without the need of climbing operation by the workers.

Drawings

Fig. 1 is a top view of a climbing unit according to the invention.

Fig. 2 is an enlarged view of the position a in fig. 1.

FIG. 3 is a top view of a laminating unit according to the present invention.

Fig. 4 is an enlarged view of the position B in fig. 3.

Fig. 5 is an enlarged view of the position C in fig. 4.

FIG. 6 is an enlarged view of the position of the tines after they have been pressed into the elongated slots.

FIG. 7 is a front cross-sectional view of the spike with the spike teeth extended for the long slot position.

FIG. 8 is a front cross-sectional view of the position of the elongated slot after the tines are pressed into the slot.

Fig. 9 is a front cross-sectional view of the present invention.

Fig. 10 is an enlarged view of the position D in fig. 9.

FIG. 11 is a left side view of the carrier plate.

Fig. 12 is a top cross-sectional view of the connector clasp.

Detailed Description

The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.

As shown in fig. 1 to 12, the invention comprises an annular frame 1, wherein a climbing unit and a film covering unit are arranged on the annular frame 1, the climbing unit comprises a plurality of climbing wheels 2 which are uniformly distributed on the circumference of the annular frame 1, and the plurality of climbing wheels 2 tightly hold a pier; the film covering unit is positioned above the climbing unit and comprises a horizontal bearing plate 3, an annular chute 4 is formed in the inner wall of the annular frame 1, a pulley 5 is installed on the bearing plate 3, the pulley 5 is arranged in the chute 4, a horizontal screw rod 6 is fixed below the bearing plate 3, a sliding sleeve 7 is sleeved on the screw rod 6, a vertical first motor 8 is fixed on the sliding sleeve 7, the first motor 8 is connected with a horizontal walking wheel 9, an adjusting nut 4110 is screwed on the screw rod 6, and the adjusting nut 4110 can push the sliding sleeve 7 to move towards the circle center direction of the annular frame 1 so that the walking wheel 9 compresses the surface of a pier; the bearing plate 3 is provided with a vertical water spraying pipe 11, a vertical rotating shaft 12, a vertical gas spraying pipe 13 and an arc-shaped groove 14, the water spraying pipe 11, the rotating shaft 12, the gas spraying pipe 13 and the arc-shaped groove 14 are sequentially arranged on the bearing plate 3 in an anticlockwise order, small holes facing the inner side of the second annular frame 1 are formed in the side walls of the water spraying pipe 11 and the gas spraying pipe 13, the arc-shaped groove 14 is concentric with the second annular frame 1, a vertical shaft 15 capable of sliding along the arc-shaped groove 14 is installed in the arc-shaped groove 14, a rolling shaft 16 parallel to the vertical shaft 15 is arranged outside the vertical shaft 15, and the upper end and the lower end of the rolling shaft 16 are correspondingly connected with the upper end and the lower end of the vertical shaft 15 through a; an axial long groove 18 is formed in the roller 16, a strip 19 is installed in the long groove 18, a pressure spring 20 is installed between the inner side of the strip 19 and the bottom of the long groove 18, a plurality of spike teeth 21 extending out of the long groove 18 are fixed on the outer side of the strip 19, the spike teeth 21 are evenly distributed along the length direction of the strip 19, an elastic fixture block 22 is installed at the end of the long groove 18, a clamping groove 23 is formed in the end of the strip 19, the strip 19 moves towards the bottom of the long groove 18 to enable the elastic fixture block 22 to be clamped into the clamping groove 23, a clamping jaw 24 is arranged on the annular frame 1, and the clamping jaw 24 can clamp the vertical shaft 15.

Each climbing wheel 2 is driven by a group of transmission mechanisms, each group of transmission mechanisms comprises a worm wheel 25 coaxially fixed with the climbing wheel 2, the worm wheels 25 are all meshed with a worm 26 radially installed along the annular frame 1, the outer end of the worm 26 is provided with a first bevel gear 27, a horizontal second bevel gear 28 is meshed below the first bevel gear 27, the second bevel gear 28 is coaxially fixed with a synchronous pulley 29, the synchronous pulleys 29 of the multiple groups of transmission mechanisms are connected through a synchronous belt 30, one of the synchronous pulleys 29 is connected with a second motor 31, the synchronous pulley 29 drives other synchronous belts 30 to rotate through the synchronous belt 30, the synchronous pulleys 29 drive the plurality of climbing wheels 2 to rotate through the bevel gear group and the worm wheel 25 worm 26 mechanisms respectively, and therefore synchronous rotation of the plurality of climbing wheels 2 is achieved.

A plurality of flat plates 32 which are in one-to-one correspondence with the climbing wheels 2 are fixed on the annular frame 1, and a first bevel gear 27, a second bevel gear 28 and a synchronous pulley 29 of each group of transmission mechanisms are rotatably arranged on the flat plates 32.

Each climbing wheel 2 is arranged on the annular frame 1 through a wheel frame 33, each wheel frame 33 can move along the radial direction of the annular frame 1, the worm 26 is rotatably arranged on the wheel frame 33, each wheel frame 33 is provided with a rope hole, a tensioning rope 34 which sequentially penetrates through the rope holes is arranged in the annular frame 1, a winding wheel 35 is arranged on the second annular frame 1, two ends of the tensioning rope 34 are fixed on the winding wheel 35, the winding wheel 35 can be rotated to simultaneously wind two ends of the tensioning rope 34 to tighten up the tensioning rope 34, so that the wheel frames 33 move inwards, and the climbing wheels 2 hold the bridge pier tightly.

One end of the tension rope 34 is fixed on the winding wheel 35 through a retaining ring, so that the tension rope 34 can be conveniently detached from the winding wheel 35.

The annular frame 1 consists of two half rings, and the two half rings are buckled on a pier and then fixedly connected into the annular frame 1 through bolts; hold-in range 30 both ends form a closed loop through a detachable connector link joint, the connector link include a rectangle frame 36, worn two clamp bolt 37 on one of them side of rectangle frame 36, hold-in range 30's both ends penetrate the rectangle frame 36 back, screw up two clamp bolt 37 and compress tightly hold-in range 30's both ends, two clamp bolt 37 are located hold-in range 30's the outside.

A tension pulley 38 is installed at the outer side of the ring frame 1 for tensioning the timing belt 30.

The bearing plate is provided with a water tank 39 and a high-pressure air pump, the water spray pipe 11 is communicated with the water tank 39, one part of high-pressure air provided by the high-pressure air pump enters the water tank 39 to spray water from the water spray pipe 11, and the other part of high-pressure air is blown out from the air spray pipe 13.

The two support rods 17 are each pressed against the two ends of the vertical shaft 15 by a nut 41.

The bearing plate 3 is provided with a mobile power supply 42, and the mobile power supply 42 supplies power for all power elements.

When the bridge pier is used, firstly, the annular frame 1 is buckled at the lower end of the bridge pier and is fixedly connected through the bolts, then the synchronous belt 30 is wound around the synchronous belt pulleys 29 and the tension pulley 38 in sequence, the two ends of the synchronous belt 30 are inserted into the connecting buckles, the compression bolts 37 are screwed down to seal the synchronous belt 30 into a ring and are meshed with the synchronous belt pulleys 29, and the tension pulley 38 tensions the synchronous belt 30; then the tensioning rope 34 sequentially passes through the rope holes on the plurality of wheel frames 33 and is fixed on the winding wheel 35; the film roll is inserted on the rotating shaft 12, the film head is pulled to the position of the rolling shaft 16, a plurality of rows of nail teeth 21 are penetrated into the film head, the film head is hung on the rolling shaft 16, then the supporting rod 17 is adjusted to enable the rolling shaft 16 to be attached to a bridge pier, nuts 41 at two ends of the vertical shaft 15 are screwed to fix the supporting rod 17, finally the vertical shaft 15 is clamped by the clamping jaws 24, and the rotating shaft 12 is located at one end close to the film roll in the initial position.

After the installation is finished, the winding wheel 35 is rotated to tighten the tensioning rope 34, the tensioning rope 34 pulls the plurality of wheel frames 33 to move inwards to enable the plurality of climbing wheels 2 to hug the pier, the winding wheel 35 is provided with a ratchet and pawl structure to prevent the winding wheel 35 from loosening, and then the adjusting nut 4110 is screwed to push the sliding sleeve 7 to move towards the pier until the travelling wheel 9 clings to the pier; after the climbing wheel 2 tightly holds the pier, the second motor 31 is started, the second motor 31 drives the synchronous belt wheel 29 to rotate, the synchronous belt wheel 29 drives other synchronous belt wheels 29 to rotate through the synchronous belt 30, the synchronous belt wheel 29 drives the second bevel gear 28 coaxially fixed with the synchronous belt wheel to rotate, the second bevel gear 28 drives the first bevel gear 27 and the worm 26 to rotate, and the worm 26 drives the worm wheel 25 to rotate so as to drive the climbing wheel 2 to rotate, so that the device climbs upwards along the pier.

After climbing to the top of a pier, the second motor 31 is closed, and the first motor 8 and the high-pressure air pump are started, wherein the first motor 8, the second motor 31 and the high-pressure air pump are controlled by remote switches; the first motor 8 drives the traveling wheels 9 to travel clockwise along the circumferential direction of the pier so as to drive the bearing plate 3 to rotate clockwise around the pier, the high-pressure air pump fills high-pressure air into the water tank 39 to enable water to be sprayed out of the water spraying pipes 11 to be sprayed on the surface of the pier, the film roll on the rotating shaft 12 rotates clockwise around the pier along with the bearing plate 3, but the vertical shaft 15 is clamped and pulled, so that the vertical shaft 15 and the rolling shaft 16 do not rotate along with the bearing plate 3, the rolling shaft 16 pulls the film out of the film roll, the water spraying pipes 11 spray water to the pier before the film roll, the film roll rotates to release the film, and the air spraying pipes 13 blow the released film onto the pier after the film roll blows so as; the vertical shaft 15 is static along with the rotation of the bearing plate 3, one end of the arc-shaped groove 14, which is far away from the film roll, can gradually approach the vertical shaft 15, after the end of the arc-shaped groove 14 contacts the vertical shaft 15, the bearing plate 3 continuously rotates to pull the vertical shaft 15 to break loose the clamping jaw 24 to synchronously move along with the bearing plate 3, the rolling shaft 16 also rotates along with the bearing plate 3 around a pier, the rolling shaft 16 clockwise rotates along with the pier, the spike teeth 21 can be gradually pressed into the long groove 18 by the pier along with the rotation of the rotating shaft 12, after the spike teeth 21 are completely pressed into the long groove 18 by the pier, the spike teeth 21 can release the film, and meanwhile, the elastic clamping block 22 is clamped into the clamping groove 23 at the end of the strip block 19, so that the spike teeth 21 cannot be ejected, and the spike; when the nail teeth 21 loosen the film heads, the films are attached to the bridge piers for a certain length, and water is sprayed on the surfaces of the bridge piers, so that the films cannot fall off, the rolling shafts 16 move synchronously along with the bearing plates 3 to roll the paved films, and the films are paved on the bridge piers more tightly.

After the film is wound for one circle at the top of the pier, the second motor 31 is started reversely, so that the film is wound, and meanwhile, the plurality of climbing wheels 2 drive the device to move downwards along the pier, and the pier is completely wound.

After the film is wound on the lower end of the pier, the film roll is taken down from the rotating shaft 12, then the two annular frames 1 are taken down from the pier, and the film is closed and fixed; when the next pier is coated with film, the elastic fixture block 22 is pulled outwards to be withdrawn from the clamping groove 23, and under the action of the pressure spring 20, the spike teeth 21 extend out of the long groove 18, so that the film head can be fixed.

The climbing unit can stably climb on piers with various diameters, the film covering unit can automatically fix the film head at the upper end of the pier, then film covering work of the whole pier from top to bottom is carried out under the coordination of the climbing unit, film covering work of the pier can be realized under the condition that lifting equipment is not used and workers do not need to climb to the top of the pier, investment and occupation of pier film covering on the lifting equipment or scaling ladder are greatly reduced, meanwhile, the flexibility of equipment transfer between the piers is improved, the construction efficiency is improved, the constructors do not need to ascend, and the construction risk is greatly reduced.

Claims

1. A pier maintenance device comprises an annular frame (1), wherein a climbing unit and a film covering unit are arranged on the annular frame (1), and the pier maintenance device is characterized in that the climbing unit comprises a plurality of climbing wheels (2) which are uniformly arranged on the annular frame (1) in the circumferential direction, and the plurality of climbing wheels (2) tightly hold a pier; the film covering unit is positioned above the climbing unit and comprises a horizontal bearing plate (3), an annular sliding groove (4) is formed in the inner wall of the annular frame (1), a pulley (5) is installed on the bearing plate (3), the pulley (5) is arranged in the sliding groove (4), a horizontal screw rod (6) is fixed below the bearing plate (3), a sliding sleeve (7) is sleeved on the screw rod (6), a vertical first motor (8) is fixed on the sliding sleeve (7), the first motor (8) is connected with a horizontal walking wheel (9), an adjusting nut (4110) is screwed on the screw rod (6), and the sliding sleeve (7) can be pushed by the adjusting nut (4110) to move towards the circle center direction of the annular frame (1), so that the walking wheel (9) compresses the surface of a pier; a vertical water spraying pipe (11), a vertical rotating shaft (12), a vertical gas spraying pipe (13) and an arc-shaped groove (14) are arranged on the bearing plate (3), the water spraying pipe (11), the rotating shaft (12), the gas spraying pipe (13) and the arc-shaped groove (14) are sequentially arranged on the bearing plate (3) in an anticlockwise order, small holes facing the inner side of the second annular frame (1) are formed in the side walls of the water spraying pipe (11) and the gas spraying pipe (13), the arc-shaped groove (14) is concentric with the second annular frame (1), a vertical shaft (15) capable of sliding along the arc-shaped groove (14) is installed in the arc-shaped groove (14), a rolling shaft (16) parallel to the vertical shaft (15) is arranged outside the vertical shaft (15), and the upper end and the lower end of the rolling shaft (16) are correspondingly connected with the upper end and the lower end of the vertical shaft (15) through a horizontal supporting; an axial long groove (18) is formed in the roller (16), a strip block (19) is installed in the long groove (18), a pressure spring (20) is installed between the inner side of the strip block (19) and the bottom of the long groove (18), a plurality of spike teeth (21) extending out of the long groove (18) are fixed on the outer side of the strip block (19), the spike teeth (21) are uniformly distributed in the length direction of the strip block (19), an elastic clamping block (22) is installed at the end portion of the long groove (18), a clamping groove (23) is formed in the end portion of the strip block (19), the strip block (19) moves towards the bottom of the long groove (18) to enable the elastic clamping block (22) to be clamped into the clamping groove (23), a clamping jaw (24) is arranged on the annular frame (1), and the clamping jaw (24) can clamp the.

2. The pier maintenance device according to claim 1, wherein each climbing wheel (2) is driven by a group of transmission mechanisms, each group of transmission mechanisms comprises a worm wheel (25) coaxially fixed with the climbing wheel (2), the worm wheels (25) are respectively meshed with a worm (26) radially arranged along the annular frame (1), a first bevel gear (27) is arranged at the outer end of each worm (26), a horizontal second bevel gear (28) is meshed below the first bevel gear (27), a synchronous pulley (29) is coaxially fixed on the second bevel gear (28), the synchronous pulleys (29) of the multiple groups of transmission mechanisms are connected through a synchronous belt (30), and one synchronous pulley (29) is connected with a second motor (31).

3. The pier maintenance device according to claim 1, wherein a plurality of flat plates (32) corresponding to the climbing wheels (2) in a one-to-one manner are fixed on the annular frame (1), and the first bevel gear (27), the second bevel gear (28) and the synchronous pulley (29) of each group of transmission mechanisms are rotatably mounted on the flat plates (32).

4. The pier maintenance device according to claim 2, wherein each climbing wheel (2) is mounted on the annular frame (1) through a wheel frame (33), each wheel frame (33) can move along the radial direction of the annular frame (1), the worm (26) is rotatably mounted on the wheel frame (33), each wheel frame (33) is provided with a rope hole, a tensioning rope (34) sequentially passing through the rope holes is arranged in the annular frame (1), a winding wheel (35) is mounted on the second annular frame (1), both ends of the tensioning rope (34) are fixed on the winding wheel (35), the winding wheel (35) can be rotated to simultaneously wind both ends of the tensioning rope (34) to tighten the tensioning rope (34), so that the wheel frames (33) move inwards, and the climbing wheels (2) hold the pier tightly.

5. The pier maintaining apparatus according to claim 4, wherein one end of the tension rope (34) is fixed to the reel (35) via a buckle.

6. The pier maintenance device according to claim 2, wherein the annular frame (1) is composed of two half rings, and the two half rings are fastened on the pier and then fixedly connected into the annular frame (1) through bolts; the both ends of hold-in range (30) form a closed loop through a detachable connector link joint, the connector link include a rectangle frame (36), two clamp bolt (37) have been worn on one of them side of rectangle frame (36), the both ends of hold-in range (30) penetrate rectangle frame (36) back, screw up two clamp bolt (37) and compress tightly the both ends of hold-in range (30), two clamp bolt (37) are located the outside of hold-in range (30).

7. The pier maintaining apparatus according to claim 2, wherein a tension pulley (38) for tensioning a timing belt (30) is installed at an outer side of the ring frame (1).

8. A pier maintenance device according to claim 1, wherein a water tank (39) and a high pressure air pump are installed on the bearing plate, the water spray pipe (11) is communicated with the water tank (39), a part of high pressure air supplied by the high pressure air pump enters the water tank (39) to spray water from the water spray pipe (11), and the other part of high pressure air is blown out from the air spray pipe (13).

9. The pier maintaining apparatus according to claim 1, wherein the two support rods (17) are pressed against both ends of the vertical shaft (15) through nuts (41).

10. The pier maintenance device according to claim 1, wherein a mobile power source (42) is installed on the bearing plate (3), and the mobile power source (42) supplies power to all power elements.