CN212714826U

CN212714826U - Gas shield dam restraining belt tensioning device

Info

Publication number: CN212714826U
Application number: CN202021300266.5U
Authority: CN
Inventors: 陈华卫; 杨孝栋
Original assignee: Yantai Huawei Rubber Technology Co ltd
Current assignee: Yantai Huawei Rubber Technology Co ltd
Priority date: 2020-07-06
Filing date: 2020-07-06
Publication date: 2021-03-16
Anticipated expiration: 2030-07-06

Abstract

The utility model relates to an air shield dam technical field specifically is an air shield dam restraines area overspeed device tensioner, including the bottom plate, the both sides of bottom plate extend upwards and form the riser, two pivot on the riser establish the rotary drum axle, two between the riser the rotary drum axle sets firmly the rotary drum, the rotary drum both ends outwards expand and form the fender dish, the medial surface of fender dish forms L shape socket along radial and circumference, peg graft in the socket and restraines the area layering, one of them the fender dish outside the rotary drum axle sets firmly the ratchet, the pawl is articulated on the riser of corresponding side, the pawl with ratchet butt cooperation; and an inner hexagonal hole is formed in the end face of one end of the rotary drum shaft. Compared with the prior art, the utility model discloses can adjust the tension of every inhibition area respectively and make the every single move angle of each shield unanimous.

Description

Gas shield dam restraining belt tensioning device

Technical Field

The utility model relates to a gas shield dam technical field specifically is a gas shield dam restraines area overspeed device tensioner.

Background

The air shield dam is a novel water retaining device, has the characteristics of a rubber dam and a rigid gate, is mainly composed of a shield plate, an inflatable air bag and a control system, has the characteristics of short installation period, modularization and convenience for restoration, and is widely applied to the fields of flood control and the like.

The utility model discloses a utility model CN208650003U discloses a novel gas shield dam inhibition belt, including bottom plate, fixed strip, inhibition belt body, trachea, rectangular gasbag, buffer, shield plate and spoiler, inhibition belt body comprises styrene elastomer, high resilience sponge, butadiene styrene rubber, reinforcing bar and polyurethane elastomer, one side of styrene elastomer is provided with high resilience sponge, one side of high resilience sponge is connected with butadiene styrene rubber, one side of butadiene styrene rubber is fixed with the reinforcing bar through bonding, through being provided with components such as expanding spring, dead lever and square piece, thereby makes the connection atress of gas shield dam inhibition belt and shield plate even, and has the buffering effect, has improved the practicality of this gas shield dam inhibition belt greatly; the problem of easy breakage caused by single material is solved by arranging the components such as the styrene elastomer, the high-resilience sponge and the reinforcing strips, so that the air shield dam inhibiting belt has the characteristic of high tensile strength. However, the tension of the restraining belt is adjusted by using the telescopic spring, and the elasticity of the telescopic spring is in direct proportion to the elongation, so that under the condition of ensuring the same tension, the pitch angles of the shield plates are inconsistent, stress is formed between the shield plates, and the quality of the whole dam body is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel gas shield dam suppression area to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme:

a gas shield dam restraining belt tensioning device comprises a bottom plate, wherein two sides of the bottom plate extend upwards to form vertical plates, rotary drum shafts are pivoted on the two vertical plates, a rotary drum is fixedly arranged on the rotary drum shaft between the two vertical plates, two ends of the rotary drum expand outwards to form retaining discs, the inner side surfaces of the retaining discs form L-shaped inserting ports along the radial direction and the circumferential direction, restraining belt pressing strips are inserted into the inserting ports, a ratchet wheel is fixedly arranged on the rotary drum shaft outside one of the retaining discs, a pawl is hinged on the vertical plate on the corresponding side, and the pawl is abutted and matched with the ratchet wheel; and an inner hexagonal hole is formed in the end face of one end of the rotary drum shaft.

The cover body is provided with a tool hole exposing the hexagon socket hole, the opposite side is provided with an access allowing the inhibition belt to freely pass through, and the lower end of the access is open. Preventing the internal structure from aging and rusting.

Furthermore, the outer side of the pawl is provided with a blind hole, the vertical plate on the corresponding side is fixedly provided with a baffle plate, the baffle plate is fixedly provided with a central column, the central column is sleeved with a spring, one end of the spring abuts against the bottom of the blind hole, the other end of the spring abuts against the baffle plate, the spring stores energy, and when the top of the pawl crosses the tooth tip of the ratchet wheel, the free end of the central column is not in contact with the pawl. And the spring back is avoided after locking.

Further, a circumferential section of the L-shaped socket faces away from the direction of rotation of the drum. The pressing strips of the restraining belt are guaranteed not to be separated.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the utility model discloses can conveniently install on the restraining band that has assembled, through rotating with hexagon socket head cap spanner, just can the tensioning restraining band, the tensioning stride is very little therefore adjust conveniently, and can not kick-back after the tensioning. The tension of each restraining belt can be adjusted respectively to enable the pitching angles of the shield plates to be consistent.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the structure of fig. 1 from another view angle.

Fig. 3 is a partial cross-sectional view of fig. 2.

Fig. 4 is a partially enlarged view of fig. 3.

Fig. 5 is a schematic view of the structure of fig. 2 after being mounted on a restraining strip.

Fig. 6 is a schematic view of the structure of fig. 5 after the cover is mounted.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, an air shield dam restraining belt tensioning device includes a bottom plate 1, two sides of the bottom plate 1 extend upward to form vertical plates 2, a rotating drum shaft 3 is pivoted on the two vertical plates 2, a rotating drum 6 is fixedly arranged on the rotating drum shaft 3 between the two vertical plates 2, two ends of the rotating drum 6 extend outward to form a baffle disc 4, an L-shaped socket 41 is formed on the inner side surface of the baffle disc 4 along the radial direction and the circumferential direction, a restraining belt pressing bar 5 is inserted into the socket, a ratchet wheel 7 is fixedly arranged on the rotating drum shaft 3 on the outer side of one of the baffle discs 4, a pawl 8 is hinged on the vertical plate 2 on the corresponding side, and the pawl 8 is in abutting fit with the ratchet wheel 7; an inner hexagonal hole 31 is formed in the end face of one end of the rotary drum shaft 3. The tool-free anti-theft device further comprises a cover body 9, wherein a tool hole 91 exposing the hexagon socket hole 31 is formed in the cover body 9, an access 92 allowing the inhibition belt 10 to freely pass through is formed in the opposite side of the cover body, and the lower end of the access 92 is open. The outer side of the pawl 8 is provided with a blind hole 81, the vertical plate 2 on the corresponding side is fixedly provided with a baffle plate 11, the baffle plate 11 is fixedly provided with a central column 12, the central column 12 is sleeved with a spring 13, one end of the spring 13 abuts against the bottom of the blind hole 81, the other end of the spring 13 abuts against the baffle plate 11, the spring 13 stores energy, and when the top tip of the pawl 8 passes over the tooth tip of the ratchet wheel 7, the free end of the central column 12 is not in contact with the pawl 8. The circumferential section of the L-shaped socket 41 faces away from the direction of rotation of the drum 6.

When the device is used, the cover body 9 and the suppression belt pressing strip 5 are firstly detached, the rotary drum 6 is abutted to the surface of the suppression belt 10, the hexagon socket wrench is inserted into the hexagon socket hole 31, the rotary drum 6 is rotated to enable the L-shaped socket 41 to be seen, then the suppression belt pressing strip 5 is inserted into the L-shaped socket 41 to be abutted to the surface of the suppression belt 10, the hexagon socket wrench is rotated clockwise, the suppression belt 10 can be wound on the rotary drum 6 to be gradually tensioned, and the ratchet structure can ensure that the suppression belt does not rebound after tensioning.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an air shield dam restraines area overspeed device tensioner which characterized in that: the device comprises a bottom plate (1), wherein two sides of the bottom plate (1) extend upwards to form vertical plates (2), rotary drum shafts (3) are pivoted on the two vertical plates (2), a rotary drum (6) is fixedly arranged on the rotary drum shaft (3) between the two vertical plates (2), two ends of the rotary drum (6) expand outwards to form baffle discs (4), the inner side surfaces of the baffle discs (4) form L-shaped sockets (41) along the radial direction and the circumferential direction, restraining belt pressing strips (5) are inserted in the sockets in an inserting manner, ratchet wheels (7) are fixedly arranged on the rotary drum shaft (3) on the outer side of one baffle disc (4), pawls (8) are hinged on the vertical plates (2) on the corresponding side, and the pawls (8) are abutted and matched with the ratchet wheels (7); an inner hexagonal hole (31) is formed in the end face of one end of the rotary drum shaft (3).

2. The air shield dam containment belt tensioning device of claim 1, wherein: the tool is characterized by further comprising a cover body (9), wherein a tool hole (91) exposing the hexagon socket hole (31) is formed in the cover body (9), an access (92) allowing the inhibition belt (10) to freely pass through is formed in the opposite side of the cover body, and the lower end of the access (92) is open.

3. The air shield dam containment belt tensioning device of claim 1, wherein: the outer side of the pawl (8) is provided with a blind hole (81), the vertical plate (2) on the corresponding side is fixedly provided with a baffle plate (11), the baffle plate (11) is fixedly provided with a central column (12), the central column (12) is sleeved with a spring (13), one end of the spring (13) is abutted to the bottom of the blind hole (81), the other end of the spring is abutted to the baffle plate (11), the spring (13) stores energy, and when the top of the pawl (8) passes over the tooth tip of the ratchet wheel (7), the free end of the central column (12) is not in contact with the pawl (8).

4. The air shield dam containment belt tensioning device of claim 1, wherein: the circumferential section of the L-shaped socket (41) faces away from the direction of rotation of the drum (6).