CN111455861A

CN111455861A - Pier tectorial membrane device

Info

Publication number: CN111455861A
Application number: CN202010363953.XA
Authority: CN
Inventors: 丁钟魁
Original assignee: Individual
Current assignee: Shanxi Luqiao Municipal Engineering 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: CN111455861B

Abstract

The invention relates to a pier film covering 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 clamping unit capable of clamping 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 out; 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 tectorial membrane device

Technical Field

The invention relates to the field of bridge construction, in particular to a pier film laminating 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 film covering 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 film covering device comprises a climbing unit and a film covering unit, wherein the climbing unit comprises a first annular frame, a plurality of climbing wheels are uniformly distributed on the circumference of the first annular frame, and the plurality of climbing wheels tightly hold a pier; the film covering unit comprises a second annular frame, the second annular frame is coaxially fixed above the first annular frame, an inner gear ring is fixed on the second annular frame, the inner gear ring is meshed with a straight gear, the straight gear is connected with a first motor, an annular chute is formed in the second annular frame, pulleys are arranged on the first motor and the straight gear, the pulleys are arranged in the chutes, a horizontal bearing plate is fixed on the first motor, a vertical water spray pipe, a vertical rotating shaft, a vertical air spray pipe and an arc-shaped groove are arranged on the bearing plate, the water spray pipe, the rotating shaft, the air spray pipe and the arc-shaped groove are sequentially arranged on the bearing plate anticlockwise, small holes facing the inner side of the second annular frame are formed in the side walls of the water spray pipe and the air spray pipe, the arc-shaped groove is concentric with the second annular frame, a vertical shaft capable of sliding along the arc-shaped groove is arranged in the arc-shaped groove, and a rolling shaft parallel to the vertical shaft, 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 through a horizontal supporting rod respectively; the roller bearing is provided with an axial through groove with an arc-shaped cross section, the bottom of the through groove is provided with an electromagnet, a pressing strip made of a magnetic material is arranged in the through groove, a pressure spring is arranged between the pressing strip and the electromagnet, the pressing strip can be pressed against the side wall of the through groove by the electromagnet being electrified to adsorb the electromagnet, a button switch is arranged at the anticlockwise end of the arc groove, the electromagnet can be powered off by pressing the button switch, a clamping jaw is arranged on the second annular frame, and the vertical shaft can be clamped by the clamping jaw.

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 roller after the electromagnet is de-energized.

Fig. 7 is a front cross-sectional view of the present invention.

Fig. 8 is an enlarged view of the position D in fig. 7.

FIG. 9 is a left side view of the carrier plate.

Fig. 10 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 10, the climbing device comprises a climbing unit and a film covering unit, wherein the climbing unit comprises a first annular frame 1, a plurality of climbing wheels 2 are uniformly arranged on the circumference of the first annular frame 1, and the plurality of climbing wheels 2 tightly hold a pier; the film covering unit comprises a second annular frame 3, the second annular frame 3 is coaxially fixed above a first annular frame 1, an inner gear ring 4 is fixed on the second annular frame 3, the inner gear ring 4 is meshed with a straight gear 5, the straight gear 5 is connected with a first motor 6, an annular chute 7 is formed in the second annular frame 3, pulleys 8 are arranged on the first motor 6 and the straight gear 5 respectively, the pulleys 8 are arranged in the chute 7, a horizontal bearing plate 9 is fixed on the first motor 6, a vertical water spray pipe 10, a vertical rotating shaft 11, a vertical air injection pipe 12 and an arc-shaped groove 13 are arranged on the bearing plate 9 in sequence, the water spray pipe 10, the rotating shaft 11, the air injection pipe 12 and the arc-shaped groove 13 are arranged on the bearing plate 9 in sequence anticlockwise, small holes facing the inner side of the second annular frame 3 are formed in the side walls of the water spray pipe 10 and the air injection pipe 12, and the arc-shaped groove 13 is concentric with the second annular frame 3, a vertical shaft 14 which can slide along the arc-shaped groove 13 is arranged in the arc-shaped groove 13, a rolling shaft 15 which is parallel to the vertical shaft 14 is arranged outside the vertical shaft 14, and the upper end and the lower end of the rolling shaft 15 are correspondingly connected with the upper end and the lower end of the vertical shaft 14 through a horizontal supporting rod 16 respectively; the roller 15 is provided with an axial through groove 17 with an arc-shaped cross section, the bottom of the through groove 17 is provided with an electromagnet 18, a pressing strip 19 made of a magnetic material is arranged in the through groove 17, a pressure spring 20 is arranged between the pressing strip 19 and the electromagnet 18, the electromagnet 18 is electrified to adsorb the pressing strip 19, the side wall of the pressing strip 19 can be tightly pressed on the side wall of the through groove 17, one end of the arc-shaped groove 13 in the anticlockwise direction is provided with a button switch 21, the electromagnet 18 can be powered off by pressing down the button switch 21, the second annular frame 3 is provided with a clamping jaw 22, and the clamping jaw 22 can.

Each climbing wheel 2 is driven by a group of transmission mechanisms, each group of transmission mechanisms comprises a worm wheel 23 coaxially fixed with the climbing wheel 2, the worm wheels 23 are all meshed with a worm 24 radially installed along the first annular frame 1, the outer end of the worm 24 is provided with a first bevel gear 25, a horizontal second bevel gear 26 is meshed below the first bevel gear 25, the second bevel gear 26 is coaxially fixed with a synchronous pulley 27, the synchronous pulleys 27 of the multiple groups of transmission mechanisms are connected through a synchronous belt 28, one synchronous pulley 27 is connected with a second motor 29, the synchronous pulley 27 drives other synchronous belts 28 to rotate through the synchronous belt 28, and the synchronous pulleys 27 drive the climbing wheels 2 to rotate through the bevel gear set and the worm wheel 23 worm 24 mechanisms respectively, so that the synchronous rotation of the climbing wheels 2 is realized.

A plurality of flat plates 30 which are in one-to-one correspondence with the climbing wheels 2 are fixed on the first annular frame 1, and a first bevel gear 25, a second bevel gear 26 and a synchronous pulley 27 of each group of transmission mechanisms are rotatably arranged on the flat plates 30.

Every wheel 2 that climbs all install on first annular frame 1 through a wheel carrier 31, every wheel carrier 31 all can be followed the radial displacement of first annular frame 1, worm 24 is rotatable to be installed on wheel carrier 31, all be equipped with a rope hole on every wheel carrier 31, be equipped with a taut rope 32 that passes a plurality of rope holes in proper order in the first annular frame 1, install a take-up pulley 33 on the first annular frame 1, the both ends of taut rope 32 are all fixed on take-up pulley 33, rotate take-up pulley 33 and can twine taut rope 32 both ends simultaneously and tighten up taut rope 32, thereby make a plurality of wheel carriers 31 inward movement, a plurality of wheels 2 that climbs hold the pier tightly.

One end of the tension rope 32 is fixed on the winding wheel 33 through a retaining ring, so that the tension rope 32 can be conveniently detached from the winding wheel 33.

The first annular frame 1 and the second annular frame 3 are respectively composed of two semi-annular frames, and the two semi-annular frames are buckled on a pier and then fixedly connected into an annular frame through bolts; hold-in range 28 both ends form a closed loop through a detachable connector link joint, the connector link include a rectangle frame 34, worn two clamp bolt 35 on one of them side of rectangle frame 34, after the both ends of hold-in range 28 penetrated rectangle frame 34, screwed up two clamp bolt 35 and compressed tightly the both ends of hold-in range 28, two clamp bolt 35 were located the outside of hold-in range 28.

A tension pulley 36 is installed on the outside of the first ring frame 1 for tensioning the timing belt 28.

The bearing plate is provided with a water tank 37 and a high-pressure air pump 38, the water spray pipe 10 is communicated with the water tank 37, one part of high-pressure air provided by the high-pressure air pump 38 enters the water tank 37 to spray water from the water spray pipe 10, and the other part of high-pressure air is blown out from the air spray pipe 12.

The two support rods 16 are each pressed against the ends of the vertical shaft 14 by a nut 39.

The bearing plate 9 is provided with a mobile power supply 40, and the mobile power supply 40 supplies power to all power elements.

When the bridge pier is used, the first annular frame 1 and the second annular frame 3 are buckled at the lower end of the bridge pier and are fixedly connected through bolts, then the synchronous belt 28 is wound around the synchronous belt pulleys 27 and the tension pulley 36 in sequence, the two ends of the synchronous belt 28 are inserted into the connecting buckles, the compression bolts 35 are screwed up to seal the synchronous belt 28 into a ring and are meshed with the synchronous belt pulleys 27, and the tension pulley 36 tensions the synchronous belt 28; then the tensioning rope 32 sequentially passes through the rope holes on the plurality of wheel frames 31 and is fixed on the winding wheel 33; inserting the film roll on the rotating shaft 11, pulling the film head out and extending into the through groove 17, enabling the electromagnet 18 to be electrified to adsorb the pressing strip 19 to tightly press the film head, then adjusting the supporting rod 16 to enable the rolling shaft 15 to be attached to a pier, screwing the nuts 39 at two ends of the vertical shaft 14 to fix the supporting rod 16, finally clamping the vertical shaft 14 by the clamping jaws 22, and positioning the vertical shaft 14 at one end of the arc-shaped groove 13 far away from the button switch 21 in the initial position.

After the installation is finished, the winding wheel 33 is rotated to tighten the tensioning rope 32, the tensioning rope 32 pulls the plurality of wheel frames 31 to move inwards to enable the plurality of climbing wheels 2 to clasp the pier, and the winding wheel 33 is provided with a ratchet and pawl structure to prevent the winding wheel 33 from loosening; after the climbing wheel 2 tightly holds the pier, the second motor 29 is started, the second motor 29 drives the synchronous belt wheel 27 to rotate, the synchronous belt wheel 27 drives other synchronous belt wheels 27 to rotate through the synchronous belt 28, the synchronous belt wheel 27 drives the second bevel gear 26 coaxially fixed with the synchronous belt wheel to rotate, the second bevel gear 26 drives the first bevel gear 25 and the worm 24 to rotate, and the worm 24 drives the worm wheel 23 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 29 is closed, and the first motor 6 and the high-pressure air pump 38 are started, wherein the first motor 6, the second motor 29 and the high-pressure air pump 38 are controlled by remote switches; the first motor 6 drives the spur gear 5 to rotate so as to enable the spur gear 5, the first motor 6 and the bearing plate 9 to rotate clockwise along the inner gear ring 4, the high-pressure air pump 38 fills high-pressure air into the water tank 37 to enable water to be sprayed out of the water spray pipe 10 to the surface of a pier, the film roll on the rotating shaft 11 rotates clockwise around the pier along with the bearing plate 9, but the vertical shaft 14 is clamped and pulled, so that the vertical shaft 14 and the rolling shaft 15 do not rotate along with the bearing plate 9, the rolling shaft 15 pulls out the film from the film roll, the water spray pipe 10 sprays water to the pier before the film roll, the film roll rotates to release the film, and the air spray pipe 12 blows air after the film roll to blow the released film onto the pier so as to enable; the vertical shaft 14 is static along with the rotation of the bearing plate 9, one end of the arc-shaped groove 13, which is provided with the button switch 21, is close to the vertical shaft 14 gradually, after the vertical shaft 14 presses down the button switch 21, the electromagnet 18 in the through groove 17 on the roller 15 is powered off, the pressing strip 19 moves outwards under the action of the pressure spring 20 so as to loosen the film head, at the moment, the film is attached to a section of length on a pier, and the surface of the pier is sprayed with water, so the film cannot drop, because the vertical shaft 14 moves to the end part of the arc-shaped groove 13, the bearing plate 9 continuously rotates to pull the vertical shaft 14 to shake off the clamping jaw 22 to move synchronously along with the bearing plate 9, the roller 15 moves synchronously along with the bearing plate 9 after loosening the film head, the paved film is rolled, and the.

After the film is wound for one circle at the top of the pier, the second motor 29 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.

And after the film is wound on the lower end of the pier, the film roll is taken down from the rotating shaft 11, then the two annular frames are detached from the pier, and the film is closed and 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. The pier film covering device comprises a climbing unit and a film covering unit, and is characterized in that the climbing unit comprises a first annular frame (1), a plurality of climbing wheels (2) are uniformly arranged on the circumference of the first annular frame (1), and the plurality of climbing wheels (2) tightly hold a pier; the laminating unit comprises a second annular frame (3), the second annular frame (3) is coaxially fixed above the first annular frame (1), an inner gear ring (4) is fixed on the second annular frame (3), the inner gear ring (4) is meshed with a straight gear (5), the straight gear (5) is connected with a first motor (6), an annular chute (7) is formed in the second annular frame (3), pulleys (8) are respectively arranged on the first motor (6) and the straight gear (5), the pulleys (8) are arranged in the chute (7), a horizontal bearing plate (9) is fixed on the first motor (6), a vertical water spray pipe (10), a vertical rotating shaft (11), a vertical air spray pipe (12) and an arc-shaped groove (13) are arranged on the bearing plate (9) in sequence anticlockwise, the side walls of the water spray pipe (10) and the gas spray pipe (12) are provided with small holes facing the inner side of the second annular frame (3), the arc-shaped groove (13) is concentric with the second annular frame (3), a vertical shaft (14) capable of sliding along the arc-shaped groove (13) is installed in the arc-shaped groove (13), a rolling shaft (15) parallel to the vertical shaft (14) is arranged outside the vertical shaft (14), and the upper end and the lower end of the rolling shaft (15) are correspondingly connected with the upper end and the lower end of the vertical shaft (14) through a horizontal supporting rod (16); it has an axial and section to be curved logical groove (17) to open on roller bearing (15), logical groove (17) bottom is installed one electro-magnet (18), it is equipped with one layering (19) of making by magnetic material to lead to in groove (17), install pressure spring (20) between layering (19) and electro-magnet (18), electro-magnet (18) circular telegram adsorbs layering (19) can make layering (19) lateral wall compress tightly logical groove (17) lateral wall, the anticlockwise one end in arc wall (13) is equipped with one button switch (21), it can make electro-magnet (18) outage to press button switch (21), be equipped with one clamping jaw (22) on second ring frame (3), vertical axis (14) can be cliied in clamping jaw (22).

2. The pier coating device according to claim 1, wherein each climbing wheel (2) is driven by a set of transmission mechanisms, each set of transmission mechanisms comprises a worm wheel (23) coaxially fixed with the climbing wheel (2), the worm wheels (23) are respectively engaged with a worm (24) radially arranged along the first annular frame (1), a first bevel gear (25) is arranged at the outer end of each worm (24), a horizontal second bevel gear (26) is engaged below the first bevel gear (25), a synchronous pulley (27) is coaxially fixed on the second bevel gear (26), the synchronous pulleys (27) of the multiple sets of transmission mechanisms are connected through a synchronous belt (28), and one synchronous pulley (27) is connected with a second motor (29).

3. The pier coating device according to claim 1, wherein a plurality of flat plates (30) corresponding to the climbing wheels (2) in a one-to-one manner are fixed on the first annular frame (1), and a first bevel gear (25), a second bevel gear (26) and a synchronous pulley (27) of each group of transmission mechanisms are rotatably mounted on the flat plates (30).

4. The pier coating device according to claim 2, wherein each climbing wheel (2) is mounted on the first annular frame (1) through a wheel frame (31), each wheel frame (31) can move along the radial direction of the first annular frame (1), the worm (24) is rotatably mounted on the wheel frame (31), each wheel frame (31) is provided with a rope hole, a tensioning rope (32) sequentially passing through the plurality of rope holes is arranged in the first annular frame (1), a winding wheel (33) is mounted on the first annular frame (1), both ends of the tensioning rope (32) are fixed on the winding wheel (33), the winding wheel (33) can be rotated to simultaneously wind both ends of the tensioning rope (32) to tighten the tensioning rope (32), so that the plurality of wheel frames (31) move inwards, and the plurality of climbing wheels (2) hold the pier tightly.

5. The pier sheathing apparatus according to claim 4, wherein one end of the tension rope (32) is fixed to the wire winding wheel (33) through a buckle.

6. The pier film coating device according to claim 2, wherein the first annular frame (1) and the second annular frame (3) are respectively composed of two semi-annular frames, and the two semi-annular frames are buckled on a pier and then fixedly connected into an annular frame through bolts; the both ends of hold-in range (28) form a closed loop through a detachable connector link joint, the connector link include a rectangle frame (34), two clamp bolt (35) have been worn on one of them side of rectangle frame (34), the both ends of hold-in range (28) penetrate rectangle frame (34) back, screw up two clamp bolt (35) and compress tightly the both ends of hold-in range (28), two clamp bolt (35) are located the outside of hold-in range (28).

7. The pier coating device according to claim 2, wherein a tension pulley (36) is installed at an outer side of the first annular frame (1) for tensioning a synchronous belt (28).

8. The pier coating device according to claim 1, wherein the bearing plate is provided with a water tank (37) and a high pressure air pump (38), the water spray pipes (10) are communicated with the water tank (37), a part of high pressure air provided by the high pressure air pump (38) enters the water tank (37) to spray water from the water spray pipes (10), and the other part of high pressure air is blown out from the air spray pipes (12).

9. The pier coating device according to claim 1, wherein the two support rods (16) are respectively pressed against both ends of the vertical shaft (14) through nuts (39).

10. The pier coating device according to claim 1, wherein a mobile power source (40) is mounted on the bearing plate (9), and the mobile power source (40) supplies power to all power elements.