TWI677361B - Fall Protection Bar - Google Patents

Abstract

A fall-prevention rod of the present invention includes a base and a connecting member. The base includes a base and at least two kinds of fixing bolts. The at least two kinds of fixing bolts are arranged on a peripheral surface of the base body, and each of the fixing bolts is fastened. A through hole that can be inserted into a hanging lug of one of different types of transformers, the connecting member includes a shaft center and opposite ends of the shaft center, the at least two fixing bolts surround the shaft center of the connecting member, and the connecting member One end is combined with the seat body, and the other end of the connecting piece is provided with a hook ring, which can be used for hooking and binding of an anti-fall safety belt; in order to improve the existing anti-fall bar due to the various specifications, it is inconvenient to use. The problem is that the base of the anti-fall bar of this creation is integrated with a plurality of fixed bolts, and a fall-proof bar suitable for a variety of transformers with different specifications is provided.

Description

Fall Protection Bar

This creation relates to a safety protection device, especially an anti-falling rod that can be applied to a variety of transformers.

According to the industry, when the transformer is installed and overhauled, the industry will install a fall prevention rod on the transformer, and the fixing bolt corresponding to the transformer model will penetrate the fall prevention rod and the hanging lug of the transformer, and the bolts will be locked to the hanging projection. The ears are fixed with bolts to limit the insertion. Workers will be equipped with anti-fall safety belts, and they will be connected to the fall-prevention rods to prevent fall accidents and maintain the safety of maintenance work.

The dimensions of the hanging lugs of transformers of different brands are different, and each transformer has its corresponding anti-fall bar. In actual use, if you want to repair the transformers of different brands, you must carry multiple anti-fall bars. The fall rod goes to the work site. Once the wrong type of fall prevention rod is taken, the wrong type of fall prevention rod cannot be installed on the transformer. In addition, each fall prevention rod also has corresponding fixing bolts, which are fixed in specific shapes and sizes. The bolt is not easy to obtain like bolts and other parts. Once the bolt is lost or damaged, the fall prevention rod and the hanging lug cannot be fixed, and the fall prevention rod cannot be used. In summary, due to the existing fall prevention rod specifications, Many problems cause inconvenience in operation, so there is still room for improvement in the specification and design of the fall prevention rod.

In order to improve the inconvenience of the existing anti-fall bar due to the many specifications, the base of the original anti-fall bar is integrated with a large number of fixing bolts, and provides a kind of anti-fall that can be applied to a variety of different specifications of transformers. Pole.

An anti-falling rod includes: a base including a body and at least two kinds of fixing bolts, the base body including a peripheral surface, the at least two kinds of fixing bolts are arranged on the peripheral surface of the base body, and each fixing bolt is capable of A through hole into which a hanging lug of one of different types of transformers is inserted; and a connecting member including a shaft center and opposite ends of the shaft center, the at least two fixing bolts surrounding the shaft center of the connecting member, the One end of the connecting piece is combined with the base body, and the other end of the connecting piece is provided with a hook ring, which can be used for hooking and binding an anti-fall safety belt.

In the fall prevention rod, each fixing bolt includes a body, an axis, and a lock hole. The lock hole runs through the body along the axis of the fixing bolt, and the shaft of the fixing bolt and the The bottom faces are separated by a height.

In the anti-falling rod, the body of each fixing bolt is cylindrical.

In the fall prevention lever, the inner diameters of the lock holes of the fixing bolts are the same.

In the anti-falling rod, the length of each fixing bolt protruding from the peripheral surface of the seat body is different from the length of the through hole of the hanging lug by 2 to 3 mm.

In the fall prevention lever, a peripheral surface of the seat body is surrounded by a plurality of side planes, and the at least two fixing bolts are respectively disposed on the plurality of side planes.

In the fall prevention lever, the number of the side planes is 4, 5, or 6.

The fall prevention rod includes at least one fixing member, and each fixing member can be mounted on a fixing bolt and abut against the transformer.

In the fall prevention lever, the fixing member is L-shaped.

The enhancement of the efficacy obtained by the technical means of this creation lies in:

1. The base of this creation can integrate many different kinds of fixing bolts, so that a single anti-fall bar can be applied to most brands of transformers, so that the operator does not need to carry multiple anti-fall bars when working, which is convenient for maintenance work. And prevent the situation that the safety device cannot be installed due to carrying the wrong fall prevention rod, and improve the versatility and use efficiency of the fall prevention rod.

2. When this creation is used, the fixing bolt of the base is penetrated into the through hole of the hanging lug of the transformer, and it can be fixed by bolts and gaskets without using a specific type of fixing bolt, which can simplify the fall prevention. The combination mode and operation process of the pole and the transformer improve the use efficiency and convenience of the safety protection device.

3. The inner diameter of the keyhole of each fixing bolt in this creation is the same. The operator can use the same specifications of bolts or screws to install the fall-prevention rods on transformers of different brands. The bolts do not need to be combined with the hanging lugs of the corresponding transformer through the bolts of a specific size, which can avoid the situation that the bolts cannot be installed due to the loss of the bolts, thereby improving the convenience of the creation.

4. When using the anti-fall bar created by this article, the fixing bolts that are not connected with the hanging lugs of the transformer can be equipped with fixing members, which can be combined with the fixing bolts and abut the transformer to help support the anti-fall bar, further avoiding The anti-fall bar is inclined, which makes the combination of this creation and the transformer more stable and improves the safety in use.

1‧‧‧fall prevention bar

10‧‧‧ base

11‧‧‧ seat

12‧‧‧ fixing bolt

121‧‧‧ keyhole

20‧‧‧Connector

21‧‧‧ hook ring

30‧‧‧Fixture

60, 60A‧‧‧Transformer

61, 61A‧‧‧ hanging lug

81‧‧‧ Bolt

82‧‧‧Gasket

D‧‧‧ outer diameter

H‧‧‧ height

L‧‧‧ length

FIG. 1 is a schematic perspective view of the appearance of a preferred embodiment of the creation.

FIG. 2 is a top view of a preferred embodiment of the creation.

FIG. 3 is a partially enlarged view of a preferred embodiment of the creation.

FIG. 4 is a schematic diagram of an implementation state of a preferred embodiment of the present invention installed in a transformer box.

FIG. 5 is a partial enlarged view of an implementation state of a preferred embodiment of the creation.

FIG. 6 is a sectional view of an implementation state of a preferred embodiment of the present invention.

FIG. 7 is a sectional view of an implementation state of a preferred embodiment of the present invention installed in a transformer box of another specification.

FIG. 8 is a side view of an implementation state of a preferred embodiment of the present invention.

In order to understand the technical characteristics and practical effects of this creation in detail, and can be implemented according to the content of the creation, the preferred embodiment shown in the figure is further described in detail as follows:

FIG. 1 is a schematic perspective view of a preferred embodiment of the creation. The fall prevention rod 1 includes a base 10 and a connecting member 20.

As shown in FIGS. 1 and 2, the base 10 includes a base 11 and six fixing bolts 12. The base 11 includes a peripheral surface. The peripheral surface is surrounded by six side planes, but is not limited to six. Each side plane can also be a ring-shaped one or surrounded by more than three side planes.

The six fixing bolts 12 are disposed on the base body 11 and are respectively located on the six side planes. The six fixing bolts 12 respectively correspond to six hanging lugs 61 of six brands of transformers 60. Each fixing bolt 12 includes A body, a shaft center, and a lock hole 121. The body is cylindrical and includes an outer diameter D. The outer diameter D of the body of each fixing bolt 12 corresponds to a through hole of a hanging lug 61 of a transformer 60. The aperture size is set. The position of the axis of the fixing bolt 12 corresponds to the center position of the through hole of the hanging lug 61. The axis of the fixing bolt 12 is at a height H from the bottom surface of the base 10, such as As shown in FIG. 8, the height H corresponds to the distance between the center of the through hole of the hanging lug 61 of each transformer 60 and the upper surface of the transformer 60 so that the body can be inserted into the opening of the hanging lug 61. As shown in FIG. 3 and FIG. 6, the lock hole 121 is arranged through the body along the axis of the fixing bolt 12, and the inner diameters of the six locking holes 121 of the six fixing bolts 12 are the same.

In this creation, the peripheral surface of the base body 11 can be annular, and the plurality of fixing bolts 12 are provided on the peripheral surface of the base body 11. In this creation, the base 10 can also include three fixing bolts 12, the peripheral surface of the base body 11 is surrounded by three side planes, and the three fixing bolts 12 are respectively provided on the three side planes; The shape of the peripheral surface of the base body 11 and the number of the plurality of fixing bolts 12 are not limited in the creation.

Please refer to FIG. 1 and FIG. 6 again. The connecting member 20 is a rod body. The connecting member 20 includes a shaft center and two opposite ends on the shaft center. The six fixing bolts 12 surround the connecting member 20. One end of the connecting member 20 is combined with the base body 11, and the other end of the connecting member 20 is provided with a hook ring 21, which can be used by an operator to hook an anti-fall safety belt, then The operator can tie the fall-preventing safety belt on the body, and can prevent a footfall or slipping during the inspection of the transformer 60, thereby improving the safety of the inspection operation.

FIG. 4 to FIG. 6 are schematic diagrams of the implementation state that the fall prevention rod 1 of the present invention is installed in a transformer 60.

As shown in FIG. 4, the fall prevention rod 1 is disposed upright on the transformer 60 and is located above the transformer 60. As shown in FIG. 5 to FIG. 7, the hanging lug 61 of the transformer 60 includes the through hole and two opposite sides, and one of the fixing bolts 12 of the base 10 of the fall prevention rod 1 is inserted into the hanging The through hole of the lug 61 does not protrude from the through hole of the hanging lug 61. One side of the peripheral surface of the base body 11 abuts against one side of the hanging lug 61. Next, a gasket 82 It is set on the other side of the hanging lug 61, and then a bolt 81 passes through the washer 82 and into the locking hole 121 of the fixing bolt 12, and the bolt 81 and the locking hole 121 of the fixing bolt 12 The phases are locked to complete the combination of the fall prevention rod 1 and the transformer 60.

Designally, as shown in FIGS. 6 and 7, a length L of the body of the fixing bolt 12 protruding from the peripheral surface of the base 11 is smaller than the corresponding hanging lug 61 of the transformer 60 of the brand. The length of the through hole allows the body of the fixing bolt 12 to penetrate into the through hole of the hanging lug 61 but not to pass through the hanging lug 61, so that the bolt 81 can force the hanging lug 61 and the The base 11; in actual production, the length L is different from the length of the through hole of the hanging lug 61 by 2 to 3 mm.

Since the base 10 of the fall prevention rod 1 has a plurality of fixing bolts 12 of different specifications, it can be applied to a transformer 60A combined with different specifications. FIG. 7 shows the fall prevention rod 1 and another transformer 60A of the present creation. As shown in the combination diagram, since the inner diameters of the lock holes 121 of each fixing bolt 12 are the same, the operator can use the same specifications of screws or bolts to connect the fall prevention rod 1 to the transformer 60A of another brand. In combination with the hanging lugs 61A, there is no need to prepare a special type of fixed bolt for each brand transformer 60, 60A.

As shown in FIG. 8, the base 10 is combined with the hanging lug 61. In practice, an operator can set a fixing member 30 on a fixing bolt 12 that is not combined with the hanging lug 61. 30 is L-shaped, which can be locked with the bolt 81 and the washer 82 and the fixing bolt 12, and can abut against the upper surface of the transformer 60, and can assist in supporting the fall prevention rod 1, so that The fall prevention rod 1 and the transformer 60 can be more firmly combined; multiple fixing members 30 can be respectively provided on the one or more fixing bolts 12 that are not combined with the hanging lug 61 to lift the base 10 Stability of coupling with the hanging lug 61.

Before the maintenance work of the transformers 60 and 60A is performed, the fall prevention rod 1 is combined with a transformer 60 and 60A in the foregoing manner, and the fall prevention belt is hooked on the hook ring 21 of the connecting member 20 It is tied up and tied to the operator, which can prevent the operator from slipping and slipping during maintenance operations and avoiding accidents at work.

The base 10 of this creation can integrate a plurality of fixing bolts 12 of different specifications, so that the single fall prevention rod 1 can be applied to transformers 60 and 60A of most brands, so that the operator does not need to carry multiple fall prevention rods when working. In order to facilitate the maintenance work and avoid the situation that the safety device cannot be installed due to the wrong fall prevention rod, the versatility and use efficiency of the fall prevention rod 1 are improved.

When using this creation, after inserting the fixing bolt 12 of the base 10 into the hanging lug 61 of the transformer 60, the bolt 81 and the washer 82 can be fixed together without using a specific type of fixing bolt. It is possible to simplify the combination mode and operation process of the fall prevention rod 1 and the transformer 60, and improve the use efficiency and convenience of the safety protection device.

Since the inner diameters of the keyholes of the respective fixing bolts 12 are the same, the operator can install the fall prevention rod 1 on one of the transformers 60 and 60A of different brands by using bolts 81 or screws of the same specification. In addition to improving the versatility of the fall prevention rod 1, in use, since each fixing bolt 12 does not need to be combined with a corresponding lug 61, 61A of the transformer 60, 60A through a pin of a specific size, compared with In the prior art, it is possible to avoid the situation that the installation cannot be performed due to the loss of the fixed pin corresponding to the transformer model.

Claims (10)

A fall arrest bar comprising:
A base including a body and at least two fixing bolts, the base body including a peripheral surface, the at least two fixing bolts are arranged on the peripheral surface of the base body, and each fixing bolt can be inserted into one of different types of transformers. A through hole for hanging lugs; and a connecting member including a shaft center and two opposite ends of the shaft center, the at least two fixing bolts surrounding the shaft center of the connecting member, and one end of the connecting member is combined with the seat Body, the other end of the connecting member is provided with a hooking ring, which can be used for hooking and combining an anti-fall safety belt. According to the fall prevention rod of claim 1, each fixing bolt includes a body, an axis, and a lock hole, and the lock hole is provided in the body along the axis of the fixing bolt, and the axis of the fixing bolt and the The bottom surfaces of the base body are separated by a height. The fall prevention rod according to claim 2, wherein the body of each fixing bolt is cylindrical. The fall prevention rod according to claim 2, wherein the inner diameters of the lock holes of the fixing bolts are the same. The fall prevention rod according to any one of claims 1 to 4, wherein the length of each fixing bolt protruding from the peripheral surface of the base body and the length of the through hole of the hanging lug are different by 2 ~ 3mm. The fall prevention rod according to claim 5, wherein a peripheral surface of the seat body is surrounded by a plurality of side planes, and the at least two fixing bolts are respectively disposed on the plurality of side planes. The fall prevention rod according to claim 6, wherein the number of said side planes is 4, 5, or 6. The fall prevention rod according to claim 1, wherein a peripheral surface of the seat body is surrounded by a plurality of side planes, and the at least two fixing bolts are respectively disposed on the plurality of side planes. The fall prevention rod according to claim 1, comprising at least one fixing member, and each fixing member can be mounted on a fixing bolt and abut against the transformer. The fall prevention rod according to claim 9, wherein the fixing member is L-shaped.