CN212129957U

CN212129957U - A quick assembly disassembly wire rope conductor rope wheel carrier for prestressing force construction stretch-draw platform

Info

Publication number: CN212129957U
Application number: CN202020384815.5U
Authority: CN
Inventors: 朱兵; 谷斌; 耿秀伟; 王鑫; 王祥徳
Original assignee: China Nuclear Industry Huaxing Construction Co Ltd
Current assignee: China Nuclear Industry Huaxing Construction Co Ltd
Priority date: 2020-03-24
Filing date: 2020-03-24
Publication date: 2020-12-11
Anticipated expiration: 2030-03-24

Abstract

The invention discloses a quick-dismounting steel wire rope guide wheel carrier for a prestressed construction tensioning platform, which comprises an upper wheel carrier, a pin shaft and a lower wheel carrier, wherein the upper wheel carrier is hinged with the lower wheel carrier through the pin shaft and consists of two groups of upper wheel carrier bodies and upper rope guide wheels; the lower wheel frame consists of two groups of lower wheel frame bodies, a lower rope guide wheel and a bottom plate; the bottom of the upper wheel frame body is in contact with the top of the lower wheel frame body, the shaft sleeve A and the shaft sleeve B are in butt joint in space to form a continuous shaft sleeve structure, and the pin shaft penetrates through the shaft sleeve structure formed by the shaft sleeve B and the shaft sleeve A, so that the upper wheel frame and the lower wheel frame are hinged to each other. The steel plate welding type lifting device is formed by welding steel plates, is simple to manufacture and process, is connected by adopting a hinge structure, avoids falling objects caused by loosening of bolts and difficulty in dismounting caused by corrosion of the bolts and the steel plates, enhances the safety of equipment, reduces the labor intensity of workers, reduces the overhead working time, and obviously improves the working efficiency.

Description

A quick assembly disassembly wire rope conductor rope wheel carrier for prestressing force construction stretch-draw platform

Technical Field

The invention belongs to the technical field of building construction, and particularly relates to a quick-dismounting steel wire rope guide wheel frame for a prestressed construction tensioning platform.

Background

The integral prestressed double-layer tensioning lifting platform mainly comprises seven systems, namely a suspension platform system, a hoisting power system, a safe hoisting system, a safe lock system, a prestressed jack lifting in-place system, a guide rail system, an electric control system and the like, wherein a rope guide wheel positioned in the hoisting power system is used for guiding the direction of a steel wire rope in the moving process, avoiding the friction with a nuclear island barrel body and isolating the steel wire ropes of an upper layer and a lower layer of the platform, and the performance of the rope guide wheel plays an important role in the moving stability and the safe reliability of the whole platform. The existing rope guide wheel device is divided into an upper layer of rope guide wheel, a lower layer of rope guide wheel and a base which is welded together with a nuclear island barrel embedded part, wheel carriers of the two layers of rope guide wheels are fixedly connected with bolts through steel plate connecting pieces, and a bottom plate of the wheel carrier of the rope guide wheel is fixed on the base through the bolts, so that the following problems can exist in the actual application process: 1) the device has heavy wheel frame and larger overall weight, and is inconvenient for high-altitude installation and disassembly; 2) the device has no high-altitude anti-falling component, and high-altitude installation and disassembly have greater safety risk; 3) the device bolt is more in quantity, the upper and lower wire wheel carrier of single device, the connecting bolt of base has 12, the bolt is numerous, the dismouting difficulty, and the bolt does not have the measure that drops, some bolts easily loosen and take off and lead to the object that falls from the high altitude, some bolts lead to dismantling the difficulty because reasons such as corrosion, need spend plenty of time and energy to handle single bolt, greatly restricted work efficiency, and can lead to the bolt smooth silk or twist off a little carelessly, the normal development of operation has been influenced, waste time and energy, influence ann tears efficiency open.

Disclosure of Invention

The invention aims to solve the problems of a steel wire rope guide wheel frame of a tensioning platform in the existing prestress construction, and provides a quick-dismounting steel wire rope guide wheel frame for a prestress construction tensioning platform.

The invention is realized by the following technical scheme:

a quick-dismounting steel wire rope guide wheel carrier for a prestressed construction tensioning platform comprises an upper wheel carrier, a pin shaft and a lower wheel carrier, wherein the upper wheel carrier is hinged with the lower wheel carrier through the pin shaft; the upper wheel frame consists of two groups of upper wheel frame bodies and an upper rope guide wheel, the two groups of upper wheel frame bodies are arranged oppositely, the two groups of upper wheel frame bodies are welded with baffle plates on two sides of the upper rope guide wheel, a through hole A is arranged on the upper wheel frame body, two ends of a rotating shaft of the upper rope guide wheel are inserted into the through hole A and are connected with the two groups of upper wheel frame bodies through backstop locking plates, a shaft sleeve A is fixedly welded at a position of the upper wheel frame body below the through hole A, and the shaft sleeve A and the upper rope guide wheel are different in side; the lower wheel carrier comprises two groups of lower wheel carrier bodies, a lower rope guide wheel and a bottom plate, the two groups of lower wheel carrier bodies are oppositely arranged and are welded with the bottom plate, a through hole B is formed in the lower wheel carrier body, two ends of a rotating shaft of the lower rope guide wheel are inserted into the through hole B and are connected with the two groups of lower wheel carrier bodies through stop locking plates, a shaft sleeve B is fixedly welded at a position, above the through hole B, of the lower wheel carrier body, and the shaft sleeve B is different from the lower rope guide wheel; the bottom of the upper wheel frame body is in contact with the top of the lower wheel frame body, the shaft sleeve A and the shaft sleeve B are in butt joint in space to form a continuous shaft sleeve structure, and the pin shaft penetrates through the shaft sleeve structure formed by the shaft sleeve B and the shaft sleeve A, so that the upper wheel frame and the lower wheel frame are hinged to each other.

In order to optimize the technical scheme, the specific measures adopted further comprise:

the shaft sleeve A and the shaft sleeve B are processed by round steel, the size of the shaft sleeve A is consistent with that of the shaft sleeve B, and the inner diameter of the shaft sleeve A is slightly larger than the outer diameter of the pin shaft.

The pin shaft comprises a pin shaft body, a positioning table and a pin shaft lifting lug; the hinge pin comprises a hinge pin body and is characterized in that a positioning table is arranged at one end of the hinge pin body, a screw hole is formed in the other end of the hinge pin body, a hinge pin lifting lug is fixedly connected to the outside of the positioning table, and the length of the hinge pin body is slightly larger than that of an integral hinge pin structure formed by space butt joint of a hinge pin sleeve A and a hinge pin sleeve B.

Lifting lugs are arranged at four corners of the top of the upper wheel frame and are symmetrically arranged along two ends of the upper wheel frame body.

The bottom plate is provided with a through hole C for fixing the lower wheel frame.

The upper wheel frame body and the lower wheel frame body are welded by steel plates.

Compared with the prior art, the invention has the advantages that:

the invention is suitable for all prestressed tension operation platforms in nuclear power and civil building engineering, has wider application range, is an improvement on prestressed tension auxiliary equipment, has the characteristics of reasonable design, compact structure, convenience, simplicity and the like, greatly improves the installation and disassembly efficiency of the rope guide wheel, can pull out a side pin shaft if only one rope guide wheel is needed in the operation process, turns up the upper wheel frame, does not influence the function of the rope guide wheel, can easily realize the separation of the upper and lower rope guide wheels and the base, avoids the complex work of repeated installation and disassembly of the rope guide wheel frame, abandons the connection of a steel plate connecting sheet and a bolt, avoids the high-altitude falling caused by loosening the bolt and the difficult disassembly caused by rusting the bolt and the steel plate, enhances the safety of the device, improves the operation safety, lightens the labor intensity of workers, improves the working efficiency, and has better reference function, the device can be popularized and applied to prestress tension operation platform devices in industrial and civil buildings.

Drawings

Fig. 1 is a front view of the overall structure of the present invention.

Fig. 2 is a side view of fig. 1.

Fig. 3 is a front view of the upper wheel frame of the present invention.

Fig. 4 is a side view of the upper wheel frame of the present invention.

Fig. 5 is a top view of the upper wheel frame of the present invention.

Fig. 6 is a front view of the lower wheel frame of the present invention.

FIG. 7 is a side view of the lower wheel frame of the present invention

FIG. 8 is a top view of the lower wheel frame of the present invention

Fig. 9 is a schematic view of the pin structure of the present invention.

In the figure, the numbers of 1-upper wheel frame, 2-pin shaft, 3-lower wheel frame, 11-upper wheel frame body, 12-upper rope guide wheel, 13-through hole A, 14-shaft sleeve A, 15-lifting lug, 21-pin shaft body, 22-positioning table, 23-pin shaft lifting lug, 24-screw hole, 31-lower wheel frame body, 32-lower rope guide wheel, 33-bottom plate, 34-through hole B, 35-shaft sleeve B, 121-baffle plate and 331-through hole C.

Detailed Description

The invention is further described below with reference to the accompanying drawings and examples.

Referring to fig. 1-8, the quick-dismounting wire rope guide wheel carrier for a prestressed construction tensioning platform comprises an upper wheel carrier 1, a pin shaft 2 and a lower wheel carrier 3, wherein the upper wheel carrier 1 is hinged with the lower wheel carrier 3 through the pin shaft 2; the upper wheel frame 1 comprises two groups of upper wheel frame bodies 11 and upper rope guide wheels 12, the two groups of upper wheel frame bodies 11 are arranged oppositely, the two groups of upper wheel frame bodies 11 are welded with baffle plates 121 on two sides of the upper rope guide wheels 12, through holes A13 are formed in the upper wheel frame bodies 11, two ends of a rotating shaft of each upper rope guide wheel 12 are inserted into the through holes A13 to be connected with the two groups of upper wheel frame bodies 11 through retaining locking plates, a shaft sleeve A14 is fixedly welded at a position, below the through hole A13, of each upper wheel frame body 11, and the shaft sleeve A14 is different from the upper rope guide wheels 12 in side; the lower wheel frame 3 is composed of two groups of lower wheel frame bodies 31, lower rope guide wheels 32 and a bottom plate 33, the two groups of lower wheel frame bodies 31 are oppositely arranged, the two groups of lower wheel frame bodies 31 are welded with the bottom plate 33, the lower wheel frame bodies 31 are provided with through holes B34, two ends of a rotating shaft of each lower rope guide wheel 32 are inserted into the through holes B34 and connected with the two groups of lower wheel frame bodies 31 through backstop locking plates, a shaft sleeve B35 is fixedly welded at a position, above the through hole B34, of each lower wheel frame body 31, and the shaft sleeve B35 is different from the lower rope guide wheels 32 in side; the bottom of the upper wheel frame body 11 is contacted with the top of the lower wheel frame body 31, the shaft sleeve A14 and the shaft sleeve B35 are butted in space to form a continuous shaft sleeve structure, and the pin shaft 2 passes through the shaft sleeve structure formed by the shaft sleeve B35 and the shaft sleeve A14, so that the upper wheel frame 1 and the lower wheel frame 3 are hinged with each other. In this embodiment, referring to fig. 3 and 6, the bushing a14 is disposed at the middle position of the bottom of the upper wheel frame body 11, the bushing B35 is a two-section structure, and is symmetrically disposed at two corners of the top of the lower wheel frame body 31, however, in other structures, the positions of the bushing a14 and the bushing B35 may be changed, and it is only necessary to meet the requirement that the bushing a14 and the bushing B35 may be spatially butted, so that the pin 2 may be inserted into the bushing a14 and the bushing B35 to connect the upper wheel frame 1 and the lower wheel frame 3.

In this embodiment, the shaft sleeve a14 and the shaft sleeve B35 are formed by processing round steel, the sizes of the shaft sleeve a14 and the shaft sleeve B35 are the same, and the inner diameters of the shaft sleeve a14 and the shaft sleeve B35 are slightly larger than the outer diameter of the pin shaft 2, so that the pin shaft 2 can be inserted into the shaft sleeve a14 and the shaft sleeve B35.

Referring to fig. 9, in this embodiment, the pin 2 includes a pin body 21, a positioning table 22 and a pin lifting lug 23, and the pin 2 is also made of round steel; a positioning table 22 is arranged at one end of the pin shaft body 21, a screw hole 24 is arranged at the other end of the pin shaft body 21, a pin shaft lifting lug 23 is fixedly connected to the outside of the positioning table 22, the pin shaft lifting lug 23 is convenient for a pin shaft to be hung on a safety rope lifting hook, high-altitude falling is prevented, load of constructors is reduced, matched installation can be carried out at any time, and the length of the pin shaft body 21 is slightly greater than the total length of a shaft sleeve structure formed by butting space of a shaft sleeve A14 and space of a shaft sleeve B35; the positioning table can enable the pin shaft 2 to be directly positioned after being inserted into the shaft sleeve A14 and the shaft sleeve B3, the length of the pin shaft body 21 is slightly longer than the total length of the butt joint of the shaft sleeve A and the shaft sleeve B, and therefore after the pin shaft body 21 is positioned, the screw hole 24 at the other end can be provided with a bolt to fix the pin shaft 2.

In this embodiment, the four corners of the top of the upper wheel frame 1 are provided with lifting lugs 15, the lifting lugs 15 are symmetrically arranged along the two ends of the upper wheel frame body 11, and the lifting lugs can enable the upper wheel frame to be hung at any time after being detached, so as to prevent a high-weight event.

In this embodiment, the bottom plate 33 is provided with a through hole C331 for fixing the lower wheel frame, and the lower wheel frame can be connected with other devices such as a base through the through hole C331, so as to ensure the fixation of the whole device.

In this embodiment, the upper wheel carrier body 11 and the lower wheel carrier body 31 are made of steel plates by welding, and the whole device is subjected to sand blasting and rust removal integrally, painting and corrosion prevention.

The specific using process of the invention is as follows:

the device of the embodiment is used in the pre-stress construction process of the Bakistan Kalarch nuclear power construction, when an upper rope guide wheel and a lower rope guide wheel need to work simultaneously, the upper wheel frame and the lower wheel frame are connected together through a hinge which is direct through a pin shaft, and then a steel wire rope is guided; if only one rope guide wheel is needed, the pin shaft on one side can be pulled out, the upper wheel frame is turned, the function of the rope guide wheel is not influenced, the separation of the upper rope guide wheel and the lower rope guide wheel can be easily realized, a large amount of disassembly and assembly of bolts are avoided, the overhead working time is greatly saved, the working efficiency is improved, the structure and the connection mode of the device are optimized, the safety of the device is enhanced, the feedback effect is good through field use practice, and the approval of workers is obtained. The invention is an improvement of prestressed tension platform rope-guiding wheel frame, which is welded by steel plates, has simple manufacture and processing, can be produced and improved in batch, and can be popularized and applied in prestressed tension platform devices of industrial and civil buildings.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.

Claims

1. The utility model provides a quick assembly disassembly wire rope conductor rope wheel carrier for prestressing force construction stretch-draw platform which characterized in that: the device comprises an upper wheel carrier (1), a pin shaft (2) and a lower wheel carrier (3), wherein the upper wheel carrier (1) is hinged with the lower wheel carrier (3) through the pin shaft (2); the upper wheel frame (1) is composed of two groups of upper wheel frame bodies (11) and upper rope guide wheels (12), the two groups of upper wheel frame bodies (11) are arranged oppositely, the two groups of upper wheel frame bodies (11) are welded with baffle plates (121) on two sides of the upper rope guide wheels (12), through holes A (13) are formed in the upper wheel frame bodies (11), two ends of a rotating shaft of the upper rope guide wheels (12) are inserted into the through holes A (13) and are connected with the two groups of upper wheel frame bodies (11) through retaining locking plates, shaft sleeves A (14) are fixedly welded at positions, located below the through holes A (13), of the upper wheel frame bodies (11), and the shaft sleeves A (14) are different in side from the upper rope guide wheels (12); the lower wheel carrier (3) is composed of two groups of lower wheel carrier bodies (31), lower rope guide wheels (32) and a bottom plate (33), the two groups of lower wheel carrier bodies (31) are oppositely arranged, the two groups of lower wheel carrier bodies (31) are welded with the bottom plate (33), through holes B (34) are formed in the lower wheel carrier bodies (31), two ends of a rotating shaft of each lower rope guide wheel (32) are inserted into the through holes B (34) to be connected with the two groups of lower wheel carrier bodies (31) through backstop locking plates, a shaft sleeve B (35) is fixedly welded at a position, above the through holes B (34), of each lower wheel carrier body (31), and the shaft sleeve B (35) is different from the lower rope guide wheels (32); the bottom of the upper wheel frame body (11) is in contact with the top of the lower wheel frame body (31), the shaft sleeve A (14) and the shaft sleeve B (35) are in butt joint in space to form a continuous shaft sleeve structure, and the pin shaft (2) penetrates through the shaft sleeve structure formed by the shaft sleeve B (35) and the shaft sleeve A (14) to enable the upper wheel frame (1) and the lower wheel frame (3) to be hinged to each other.

2. The quick-dismantling steel wire rope guide wheel frame for the prestressed construction tensioning platform according to claim 1, characterized in that: the shaft sleeve A (14) and the shaft sleeve B (35) are machined by round steel, the shaft sleeve A (14) and the shaft sleeve B (35) are identical in size, and the inner diameters of the shaft sleeve A (14) and the shaft sleeve B (35) are slightly larger than the outer diameter of the pin shaft (2).

3. The quick-dismantling steel wire rope guide wheel frame for the prestressed construction tensioning platform according to claim 1, characterized in that: the pin shaft (2) comprises a pin shaft body (21), a positioning table (22) and a pin shaft lifting lug (23); one end of the pin shaft body (21) is provided with a positioning table (22), the other end of the pin shaft body (21) is provided with a screw hole (24), a pin shaft lifting lug (23) is fixedly connected to the outside of the positioning table (22), and the length of the pin shaft body (21) is slightly larger than the total length of an integral shaft sleeve structure formed after space butt joint of a shaft sleeve A (14) and a shaft sleeve B (35).

4. The quick-dismantling steel wire rope guide wheel frame for the prestressed construction tensioning platform according to claim 1, characterized in that: lifting lugs (15) are arranged at four corners of the top of the upper wheel frame (1), and the lifting lugs (15) are symmetrically arranged along two ends of the upper wheel frame body (11).

5. The quick-dismantling steel wire rope guide wheel frame for the prestressed construction tensioning platform according to claim 1, characterized in that: the bottom plate (33) is provided with a through hole C (331) for fixing the lower wheel frame.

6. The quick-dismantling steel wire rope guide wheel frame for the prestressed construction tensioning platform according to claim 1, characterized in that: the upper wheel frame body (11) and the lower wheel frame body (31) are prepared by welding steel plates.