CN111648313A

CN111648313A - Bailey beam dismantling and transporting device and construction method applying same

Info

Publication number: CN111648313A
Application number: CN202010529725.5A
Authority: CN
Inventors: 李凡凡
Original assignee: Zhejiang Shirun Jianchuang Technology Development Co Ltd
Current assignee: Zhejiang Shirun Jianchuang Technology Development Co Ltd
Priority date: 2020-06-11
Filing date: 2020-06-11
Publication date: 2020-09-11

Abstract

The invention provides a Bailey beam dismantling and transporting device and a construction method applying the Bailey beam dismantling and transporting device.A Bailey beam is horizontally moved out of the bottom of a groove by adopting a small-range lifting type combined beam translation device, and then is hoisted by a dismantling method of vertical hoisting; the dismantled Bailey beam is transported by a special Bailey beam transport vehicle, the shelf cross beam is arranged on the Bailey beam transport vehicle, the shelf cross beam is provided with the limiting plate for limiting the Bailey beam, the Bailey beam is convenient to dismantle, the upper groove body structure is not influenced during dismantling, the dismantled Bailey beam is convenient to transport, the moving and dumping effects can not occur in the transportation process, and the Bailey beam transport vehicle has better economic and technical benefits.

Description

Bailey beam dismantling and transporting device and construction method applying same

Technical Field

The invention relates to the field of construction of dismantling and transporting a Bailey beam under an aqueduct, in particular to a Bailey beam dismantling and transporting device and a construction method applying the Bailey beam dismantling and transporting device.

Background

The aqueduct is a common building spanning valleys, depressions and ditches in water delivery engineering, the height of a pier body is 20-33 m, the single span length of the aqueduct body is 20-30 m, the height of the top of the aqueduct body from the ground is large, and the construction difficulty is large. In the construction process of the aqueduct, the Bailey beams are usually adopted as template support longitudinal beams, but the Bailey frames are longer in length and heavy in weight, and more wires are difficult to be led out in the construction process of the Bailey frames.

The Bailey beam construction often has the following problems: (1) the bailey frames cannot be integrally moved manually, so that the bailey frames are difficult to disassemble, and if the bailey frames are reassembled after being disassembled, a large amount of labor is consumed, and time and labor are wasted; (2) after the Bailey beam is integrally hung, the Bailey beam is long in length, heavy in weight and free of suitable transport vehicles; (3) when the vehicle bumps, the Bailey beam is easy to topple over in the transportation process.

In view of this, in order to improve the efficiency of dismantling and transporting the beret beam and prevent the beret beam from toppling over during the transportation of the beret beam, the invention provides a simple and effective beret beam dismantling and transporting device and a construction method using the same.

Disclosure of Invention

The invention aims to provide a Bailey beam dismantling and transporting device for improving the dismantling and transporting efficiency of Bailey beams and preventing the Bailey beams from toppling in the transporting process of the Bailey beams, and a construction method using the Bailey beam dismantling and transporting device, and the Bailey beam dismantling and transporting device has better technical and economic benefits.

The scheme provides a construction method for dismantling a transportation device by applying a Bailey beam, which comprises the following steps:

step 1: construction preparation: after the strength of the concrete of the groove body meets the design requirement, the Bailey beam falls down;

step 2: erecting an upper beam: covering a prefabricated concrete tank cover on the tank body, flatly placing an upper cross beam on the tank cover, and making a temporary fixing measure of the upper cross beam;

and step 3: installing a pulley screw: placing the pulley on the upper cross beam, penetrating the high-strength screw rod with the ring through a pulley top plate and then fixing the high-strength screw rod with the ring through an adjusting nut, and penetrating the high-strength screw rod with the ring through a cavity of the upper cross beam;

and 4, step 4: installing a lower joist: tying a steel wire rope at the lower end of a high-strength screw with a ring, bolting a lower joist of the truss at the lower end of the steel wire rope, and placing a row of skids on the lower joist after checking that the lower joist is in a horizontal state, wherein the width of the skids is greater than that of the Bailey beam;

and 5: horizontally translating the Bailey beam: manually fastening an adjusting nut to enable the lower supporting beam to move upwards until the skid supports the Bailey beam, starting the pulley to move outwards to horizontally transport the Bailey beam out, and transporting the Bailey beams at two sides and then transporting the middle Bailey beam;

step 6: vertically hoisting the Bailey beam: after the Bailey beam is horizontally moved out, vertically hoisting the Bailey beam, placing the Bailey beam on a Bailey beam transport vehicle which runs at the lower part of the Bailey beam in advance, and performing hoisting in groups;

and 7: limiting and fixing the Bailey beam: after the Bailey beam is hung on the laying cross beam, adjusting the position of the Bailey beam, turning up the limiting plates from the limiting grooves, supporting the limiting plates by using the support rods, adjusting the positions of the end parts of the support rods in the sliding grooves to tightly support the limiting plates, and tightly clamping the Bailey beam by two adjacent limiting plates;

and 8: carrying out Bailey beam transportation: and after the plurality of Bailey beams are limited and fixed, the Bailey beam transport vehicle is started to transport the Bailey beams away.

Compared with the prior art, the technical scheme has the following characteristics and beneficial effects:

(1) the Bailey beam provided by the invention is hoisted after being integrally translated, and is not required to be disassembled into parts in sections, and is not required to be reassembled in next use, so that a large amount of manpower and materials are reduced.

(2) The invention designs a Bailey beam transport vehicle which is directly transported away after an entire Bailey beam section is hoisted, and cannot topple over in the transport process.

Drawings

Fig. 1 is a schematic view of the horizontal translation of the beret beam according to an embodiment of the present invention.

Fig. 2 is a sliding view of the trolley on the slide rail.

FIG. 3 is the connection structure of the pulley and the high-strength screw with the ring.

Fig. 4 is a global view of the trolley sliding on the upper beam.

Fig. 5 is a schematic view of a beret beam transporter.

Fig. 6 is a structure view of a bailey beam supported by a limiting plate.

Fig. 7 is a structure view of the hinge joint of the limiting plate and the resting beam.

Fig. 8 is a schematic view of the rest beam structure.

Wherein: 1-a groove body; 2-a groove cover; 3-upper beam; 4-a slide rail; 5-pulley; 6-adjusting the nut; 7-a baffle plate; 8-high-strength screw with ring; 9-a steel wire rope; 10-beret beam; 11-skid; 12-lower joist; 13-a cavity; 14-a sheave; 15-a sled roof; 16-a lifting rope; 17-hanging hooks; 18-an iron chain; 19-resting beams; 20-a limiting plate; 21-a strut; 22-a limiting groove; 23-a wheel; 24-a horizontal sliding groove; 25-vertical sliding grooves; 26-a rotating shaft; 27-lower end of the stay bar; 28-upper end of the stay bar; 29-vertical limit end; 30-horizontal limit end.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced devices or components must be constructed and operated in a particular orientation and thus are not to be considered limiting.

It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.

The invention does not need to be described in detail, and focuses on explaining the structure implementation mode of the invention.

That is, this scheme provides a conveyer is demolishd to bailey roof beam for transportation bailey roof beam 10 on

cell body

1, 1 top of cell body is arranged in to entablature 3, and this bailey roof beam demolishs conveyer includes:

a pulley 5, a high-strength screw 8, a steel wire rope 9, a lower supporting beam 12 and a skid 11;

wherein entablature 3 is including setting up in middle cavity 13 and setting up the slide rail 4 on cavity both sides limit, slide rail 4 is arranged in to two at least coasters 5, wire rope 9 is connected to high strength screw 8 connection coaster 5 and high strength screw 8's bottom, joist 11 is connected down to wire rope 9's bottom, place lumber skid 11 on the joist 11 down, 11 tops of lumber skid are arranged in to bailey 10, 12 upwards move to the position that bailey 10 was held up to lumber skid 11 down, coaster 5 slides, and connect in the wire rope 9 symmetry setting of two coasters 5, wherein coaster 5 respectively sets up one about on entablature 3.

As shown in fig. 2-4, a schematic view of the trolley 5 sliding on the slide rail 4 is shown, wherein the slide rail 4 is disposed on the upper beam 3, the trolley 5 comprises a trolley body and a trolley wheel 14, the trolley wheel 14 is disposed at the bottom of the trolley body and disposed on the slide rail 4, so that the trolley 5 can slide relative to the slide rail 4, wherein the trolley body comprises a trolley top plate 15 and a trolley bottom plate.

The middle of the upper cross beam 3 is a cavity 13, the two sides are slide rails 4, and the pulley wheels 14 are arranged on the slide rails 4 and slide along the slide rails 4 on the upper cross beam 3. The upper portion of the high-strength screw rod 8 with the ring penetrates through the cavity 13 of the upper cross beam 3 and then is fixed on the pulley top plate 15, the end portion of the high-strength screw rod 8 is provided with the adjusting nut 6, specifically, as shown in fig. 3, a through hole is formed in the pulley main body, the high-strength screw rod 8 penetrates through the through hole in the pulley main body and then is fixedly connected with the adjusting nut 6 at the end portion, the pulley 5 with the high-strength screw rod 8 with the ring is fixed is formed, and the lower joist 11 can be pulled through adjusting the adjusting.

As shown in fig. 1, after the concrete strength of the trough body 1 meets the design requirement, the prefabricated concrete trough cover 2 covers the trough body 1, the upper cross beam 3 is flatly placed on the trough cover 2, the pulley 5 fixed with the high-strength screw rod 8 with the ring is placed on the slide rail 4 of the cross beam 3, the high-strength screw rod 8 with the ring penetrates through the cavity 13 of the upper cross beam 3, the lower part of the high-strength screw rod 8 with the ring is connected with the steel wire rope 9, the steel wire rope 9 is tied to the steel ring at the lower end of the high-strength screw rod 8 with the ring, the lower support beam 12 is tied at the bottom of the steel wire rope 9, the upper part of the lower support beam 12 is placed with the skid 11, wherein the width. During adjustment, the lower supporting beam 12 moves upwards through adjusting the adjusting nut 6, the skid 11 supports the Bailey beam 10, after the Bailey beam 10 is supported to a certain height, the plurality of pulleys 5 are started to slowly slide along the sliding rail 4 at a constant speed in the same direction, the lower supporting beam 12 moves horizontally to drive the Bailey beam 10 to move horizontally, and the Bailey beam 10 moves horizontally.

After the Bailey beam 10 is horizontally moved out, an iron chain 18 is tied on the Bailey beam 10, the Bailey beam 10 is vertically hoisted by a crane, a hoisting hook 17 arranged below a hoisting rope 16 directly hooks the iron chain 18, and the Bailey beam 10 is vertically hoisted and placed on a Bailey beam transport vehicle which is driven to the lower part of the Bailey beam 10 in advance for subsequent transportation.

According to another aspect of the present invention, a beret beam dismantling transportation device is provided for transporting beret beams 10, as shown in fig. 5, a simplified diagram of a beret beam transportation vehicle is shown, a plurality of wheels 23 are provided at a lower portion of the beret beam transportation vehicle, a plurality of resting beams 19 are provided on the beret beam transportation vehicle, and a plurality of beret beams 10 are hung on the resting beams 19 to carry a plurality of beret beams 10 at one time.

The structure diagram of the limiting plate supporting bailey beam shown in fig. 6 to 8 is shown, and mainly includes a resting beam 19, a limiting plate 20, a supporting rod 21, a limiting groove 22, a wheel 23, a horizontal sliding groove 24, a vertical sliding groove 25, a rotating shaft 26, a supporting rod lower end 27, a supporting rod upper end 28, a vertical limiting end 29, a horizontal limiting end 30, and other elements.

The limiting plates 20 are hinged to the placing beam 19, so that the limiting plates 20 can rotate relative to the placing beam 19, when the limiting plates 20 rotate to the positions on the two sides of the Bailey beam 10, the upper ends 28 of the support rods 21 are limited in the limiting plates 20, the lower ends 27 of the support rods are limited in the placing beam 19, and the positions of the limiting ends are adjusted according to supporting requirements, so that the Bailey beam 10 is guaranteed to be clamped by the limiting plates 20, and toppling is prevented from occurring in the transportation process.

As shown in fig. 8, a schematic structural diagram of the resting beam 19 is shown, which includes the resting beam 19, a limiting groove 22, a horizontal sliding groove 24, a horizontal limiting end 30, and the like, wherein the horizontal limiting groove 22 is arranged in the resting beam 19, the horizontal sliding groove 24 is arranged at the lower part of the limiting groove 22, and a plurality of horizontal limiting ends 30 are arranged in the horizontal sliding groove 24. Specifically, the upper surface of the shelving beam 19 is recessed to form a horizontal limiting groove 22, the middle position of the bottom surface of the horizontal limiting groove 22 is recessed to form a horizontal sliding groove 24, horizontal limiting ends 30 are symmetrically arranged on the inner walls of two sides of the horizontal sliding groove 24, and a gap is reserved between the horizontal limiting ends 30 symmetrically arranged on two sides.

As shown in fig. 7, a schematic structural diagram of the hinge of the limiting plate and the resting beam is shown, which includes the resting beam 19, the limiting plate 20, the limiting groove 22, the horizontal sliding groove 24, the vertical sliding groove 25, the rotating shaft 26, the vertical limiting end 29, and other elements, the limiting plate 20 is hinged on the resting beam 19 through the rotating shaft 26, both ends of the rotating shaft 26 are inserted into the resting beam 19 and can rotate, the limiting plate 20 can rotate around the rotating shaft 26 and lie in the limiting groove 22, fig. 8 is only a small section of the resting beam 19, only for showing that the horizontal limiting end 30 is arranged in the horizontal sliding groove 24, and the part of the rotating shaft 26 hinged is not shown). The limiting plate 20 is provided with a vertical sliding groove 25, the vertical sliding groove 25 is internally provided with a plurality of vertical limiting ends 29, the upper end 28 of the stay bar penetrates through the vertical sliding groove 25 and is clamped in a space formed by the vertical limiting ends 29, and when one end of the stay bar 21 is limited in the horizontal sliding groove 24, the other end of the stay bar is clamped in the vertical sliding groove 25. The two ends of the stay bar 21 are free, and when one end of the stay bar 21 is limited in the horizontal sliding groove 24, the other end is clamped in the vertical sliding groove 25. .

A construction method for dismantling a transportation device by using a Bailey beam comprises the following steps:

(1) construction preparation: after the concrete strength of the groove body 1 meets the design requirement, the Bailey beam 10 falls by about 10cm by reducing the top elevation of the sand box, and the formwork system of the groove body 1 is dismantled. The pavement at the bottom of the aqueduct is cleaned, and the crane and the Bailey beam transport vehicle can run smoothly. The upper beam 3 is prefabricated in advance in a factory according to the designed size, and all steel plates, screws, steel wire ropes, skid blocks and the like transported to the site are checked to meet the requirements.

(2) Erecting an upper beam: after the aqueduct template system is dismantled, the prefabricated concrete tank cover 2 is covered on the tank body 1, the upper cross beam 3 is flatly placed on the tank cover 2, and a temporary fixing measure of the upper cross beam 3 is made.

(3) Installing a pulley screw: the pulley 5 is placed on the upper cross beam 3, the high-strength screw 8 with the ring is fixed by the adjusting nut 6 after penetrating through the pulley top plate 15, the lower part of the high-strength screw 8 with the ring penetrates through the cavity 13 of the upper cross beam 3, the pulleys 5 are respectively arranged on the left and right of the upper cross beam 3, and the pulley 5 can slide horizontally in a small range along the sliding rail 4 under the action of a driving device.

(4) Installing a lower joist: tying a steel wire rope 9 on a steel ring at the lower end of a high-strength screw 8 with a ring, bolting a truss lower joist 12 at the lower end of the steel wire rope 9, checking whether the lower joist 12 is in a horizontal state, and then placing a row of skids 11 with the thickness of about 10cm on the lower joist 12, wherein the width of each skid 11 is slightly larger than that of three Bailey beams 10.

(5) Horizontally translating the Bailey beam: and manually fastening the adjusting nuts 6, moving the lower supporting beam 12 upwards until the skid 11 supports the Bailey beam 10, starting the pulley 5 to move outwards, horizontally transporting the Bailey beam 10 out, and transporting the Bailey beams 10 in the middle after the two sides.

(6) Vertically hoisting the Bailey beam: after the Bailey beam 10 is horizontally moved out, an iron chain 18 is tied on the Bailey beam 10, a crane is used for vertical hoisting, a hoisting hook 17 below a hoisting rope 16 directly hooks the iron chain 18, the Bailey beam 10 is vertically hoisted and placed on a Bailey beam transport vehicle which runs at the lower part of the Bailey beam 10 in advance, and the hoisting is carried out in groups.

(7) Limiting and fixing the Bailey beam: after the Bailey beam 10 is lifted to the placing cross beam 19, the position of the Bailey beam is adjusted, the limiting plates 20 are turned up from the limiting grooves 22, the supporting rods 21 are used for supporting the limiting plates 20, the positions of the end parts of the supporting rods 21 in the sliding grooves are adjusted, the limiting plates 20 are tightly supported, and the Bailey beam 10 is clamped by the two adjacent limiting plates 20 to prevent the Bailey beam from toppling.

(8) Carrying out Bailey beam transportation: after the plurality of Bailey beams 10 are limited and fixed, and when the Bailey beam transport vehicle reaches a rated load, the Bailey beam transport vehicle is started to transport the Bailey beams 10 away.

The specific structure of the bailey beam demolition transportation apparatus is as described above.

The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by anyone in the light of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as those of the present application, fall within the protection scope of the present invention.

Claims

1. A construction method for dismantling a transportation device by using a Bailey beam is characterized by comprising the following steps:

step 1: construction preparation: after the concrete strength of the groove body (1) meets the design requirement, the Bailey beam (10) falls down;

step 2: erecting an upper beam: covering a prefabricated concrete tank cover (2) on a tank body (1), flatly placing an upper cross beam (3) on the tank cover (2), and making a temporary fixing measure of the upper cross beam (3);

and step 3: installing a pulley screw: placing a pulley (5) on an upper cross beam (3), fixing a high-strength screw rod (8) with a ring through a pulley top plate (15) by using an adjusting nut (6), and enabling the high-strength screw rod (8) with the ring to penetrate through a cavity (13) of the upper cross beam (3);

and 4, step 4: installing a lower joist: tying a steel wire rope (9) at the lower end of a high-strength screw (8) with a ring, bolting a lower joist (12) of a truss at the lower end of the steel wire rope (9), and after the lower joist (12) is checked to be in a horizontal state, placing a row of skids (11) on the lower joist (12), wherein the width of each skid (11) is greater than that of each Bailey beam (10);

and 5: horizontally translating the Bailey beam: manually fastening an adjusting nut (6) to enable a lower joist (12) to move upwards until a skid (11) supports the Bailey beam (10), starting a pulley (5) to move outwards, horizontally transporting the Bailey beam (10), and transporting the Bailey beam (10) in the middle after two sides;

step 6: vertically hoisting the Bailey beam: after the Bailey beam (10) is horizontally moved out, vertically hoisting the Bailey beam (10) and placing the Bailey beam on a Bailey beam transport vehicle which is driven to the lower part of the Bailey beam (10) in advance, and performing hoisting in groups;

and 7: limiting and fixing the Bailey beam: after the Bailey beam (10) is lifted to the laying cross beam (19), adjusting the position of the Bailey beam, turning up the limiting plate (20) from the limiting groove (22), supporting the limiting plate (20) by using a stay bar (21), adjusting the position of the end part of the stay bar (21) in the sliding groove to tightly support the limiting plate (20), and tightly clamping the Bailey beam (10) by two adjacent limiting plates (20);

and 8: carrying out Bailey beam transportation: after the plurality of Bailey beams (10) are limited and fixed, the Bailey beam transport vehicle is started to transport the Bailey beams (10).

2. The construction method for dismantling a transportation device by using the Bailey beams as claimed in claim 1, wherein the upper cross beam (3) comprises a cavity (13) arranged in the middle and slide rails (4) arranged on two side edges of the cavity, the trolley (5) comprises a trolley main body and a trolley wheel (14), the trolley wheel (14) is arranged at the bottom of the trolley main body and is arranged on the slide rails (4), and the trolley main body comprises a trolley top plate (15) and a trolley bottom plate.

3. The construction method for dismantling the transportation device by using the Bailey beams as claimed in claim 2, wherein a through hole is formed on the pulley body, and the high-strength screw rod (8) is connected and fixed by the adjusting nut (6) at the end part after passing through the through hole on the pulley body.

4. The construction method for dismantling the transportation device by using the Bailey beams as claimed in claim 1, wherein after the Bailey beams (10) are horizontally removed, iron chains (18) are tied on the Bailey beams (10), the Bailey beams (10) are vertically hoisted by a crane, and the iron chains (18) are hooked by the hoisting hooks (17) arranged below the hoisting ropes (16).

5. The construction method for dismantling the transportation device by using the Bailey beams as claimed in claim 1, wherein a horizontal limiting groove (22) is formed in the placing cross beam (19), a horizontal sliding groove (24) is formed in the lower portion of the limiting groove (22), and a plurality of horizontal limiting ends (30) are formed in the horizontal sliding groove (24).

6. The method for dismantling a transport device using beret beams as claimed in claim 1, wherein the stop plate (20) is hinged on the rest beams (19) by means of a rotating shaft (26).

7. The construction method for dismantling the transportation device by using the Bailey beams as claimed in claim 5, wherein the limiting plate (20) is provided with a vertical sliding groove (25), and a plurality of vertical limiting ends (29) are arranged in the vertical sliding groove (25).

8. The construction method for dismantling the transportation device by using the Bailey beam as claimed in claim 1, wherein after the limiting plate (20) is rotated to the positions at both sides of the Bailey beam (10), the upper end head (28) of the stay bar (21) is limited in the limiting plate (20), and the lower end head (27) of the stay bar is limited in the resting cross beam (19).

9. The utility model provides a conveyer is demolishd to bailey roof beam for transport bailey roof beam (10) on cell body (1), cell body (1) top is arranged in entablature (3), its characterized in that includes:

the device comprises a pulley (5), a high-strength screw (8), a steel wire rope (9), a lower supporting beam (12), a skid (11) and a Bailey beam transport vehicle;

the upper cross beam (3) comprises a cavity (13) arranged in the middle and sliding rails (4) arranged on two side edges of the cavity, at least two pulleys (5) are arranged on the sliding rails (4), a high-strength screw (8) is connected with the pulleys (5), the bottom end of the high-strength screw (8) is connected with a steel wire rope (9), the bottom end of the steel wire rope (9) is connected with a lower joist (11), a skid (11) is arranged on the lower joist (11), and the pulley (5) slides when the lower joist (12) moves upwards to the position where the skid (11) supports a Bailey beam (10);

wherein a plurality of wheels (23) are arranged on the lower portion of the Bailey beam transport cart, a plurality of shelving cross beams (19) are arranged on the Bailey beam transport cart, the Bailey beam (10) is hung on the shelving cross beams (19), a plurality of limiting plates (20) are hinged to the shelving cross beams (19), after the limiting plates (20) rotate to the positions on the two sides of the Bailey beam (10), the upper end head (28) of the support rod (21) is limited in the limiting plates (20), and the lower end head (27) of the support rod is limited in the shelving cross beams (19).