CN213341936U - Face limit safety device - Google Patents

Abstract

The utility model provides a face limit safety device utilizes guide rail set spare to confirm safe region, and the cooperation can be dismantled the buckle subassembly of connection and carry out the restriction of working range, can be when guaranteeing safety, reduces the influence of safety device to work as far as, keeps the normal activity of operating personnel in safe region. Meanwhile, the clamping pieces are detachably connected with the guide rail sections, so that the positions and the sequence of the buckle assemblies can be adjusted at any time when a plurality of operators work simultaneously, and mutual interference among the buckle assemblies is avoided.

Description

Face limit safety device

Technical Field

The utility model relates to a power generation equipment maintenance equipment technical field especially relates to a face limit safety device.

Background

The hydro-generator rotor is a rotating component of the hydro-generator. The rotor consists of rotating shaft, support, magnetic yoke, magnetic pole, current collector, etc. and is used to produce magnetic field, convert energy and transmit torque. The diameter of hydraulic turbine rotor is great usually, and the height at place of terminal surface is higher, and at the maintenance in-process, the maintainer has the risk that the eminence falls. The existing adjacent limit equipment is generally provided with a railing at the edge and is matched with a buckle rope for protection. Although this method can play certain safety protection effect to the maintainer, on the rotor, inconvenient setting up the railing to use the railing also can't restrict the active area, the maintainer has the risk of falling from the rotor at all.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the defect that the rotor among the prior art overhauls the unable restriction in region to a safety device faces limit is provided.

In order to solve the technical problem, the utility model provides a following technical scheme: an edge-facing safety device comprises a base,

the guide rail assembly comprises a plurality of guide rail sections, the guide rail sections are connected end to form a guide rail ring, and slide rail bars are formed in the guide rail sections;

the fastener assembly comprises a clamping piece connected to the guide rail section in a sliding mode, an operation structure is arranged on the clamping piece, and the operation structure controls the clamping piece to be detachably connected with the guide rail section; the clamping piece is provided with a mounting ring for mounting a rope.

As a preferred scheme of rotor overhauls regional restriction device, wherein: the guide rail section comprises a guide rail base plate and a slide rail bar, the slide rail bar protrudes out of the guide rail base plate, and moving channels for the slide rail bar to move are formed on two sides of the slide rail bar.

As a preferred scheme of rotor overhauls regional restriction device, wherein: the cross section of the slide rail bar is T-shaped.

As a preferred scheme of rotor overhauls regional restriction device, wherein: the clamping piece comprises a buckle body and clamping jaws arranged on two sides of the buckle body, the clamping jaws on the two sides are respectively contacted with two sides of the slide rail bar, and bent parts are formed at the end parts of the clamping jaws.

As a preferred scheme of rotor overhauls regional restriction device, wherein: the clamping claw is movably connected to the buckle body and has a clamping state for tightly holding the slide rail bar and a separation state for detaching the slide rail bar; the operation structure is connected with the clamping jaw and drives the clamping jaw to be switched between a clamping state and a separating state.

As a preferred scheme of rotor overhauls regional restriction device, wherein: a sliding structure is arranged between the clamping jaw and the buckle body and comprises

The linear racks are connected to each jaw, the two linear racks are symmetrically arranged in parallel, and the length direction of the linear racks is along the motion direction of the jaws;

and the driving gear is arranged between the linear racks and is meshed with the two linear racks, and the driving gear is connected with the operating structure.

As a preferred scheme of rotor overhauls regional restriction device, wherein: the operation structure comprises that,

one end of the operating rod is connected with the driving gear, and the other end of the operating rod penetrates through the rotating hole in the buckle body;

the locking plate is fixedly arranged on the buckle body and is provided with a locking groove;

and a locking piece connected to the operating lever, rotated on the locking plate, and adapted to enter the locking groove.

As a preferred scheme of rotor overhauls regional restriction device, wherein: the locking plate the shaping have on the locking plate with the through-hole that rotates the hole intercommunication, the locking groove is including the first locking groove and the second locking groove of perpendicular setting, the locking piece gets into during first locking groove, the jack catch is in the separation state, the locking piece gets into during the second locking groove, the jack catch is in the joint state.

As a preferred scheme of rotor overhauls regional restriction device, wherein: the operating rod moves along the axial straight line of the rotating hole, the operating rod is provided with a reset piece, the reset piece comprises a check plate arranged on the operating rod and a spring arranged between the check plate and the buckle body, and the spring applies force to the check plate to enable the locking sheet to approach the locking plate.

As a preferred scheme of rotor overhauls regional restriction device, wherein: and a roller is arranged on one side of the clamping jaw close to the sliding rail strip.

The utility model has the advantages that: the utility model provides a rotor overhauls regional limiting device utilizes the guide rail ring by a plurality of guide rail sections and connects fastener subassembly on the guide rail subassembly, and the mobile region who has restricted the staff is the annular, can prevent to fall from the rotor. The fastener assembly adopts the clamping piece to be detachably connected with the guide rail section, so that the positions of a plurality of fasteners on the guide rail section can be conveniently adjusted, and the interference among the fasteners caused by multi-person maintenance is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor. Wherein:

FIG. 1 is a schematic view of a construction of an edge safety device;

FIG. 2 is a schematic view of the rail assembly;

FIG. 3 is a schematic view of the fastener assembly;

FIG. 4 is a schematic view of a glide configuration;

FIG. 5 is a schematic illustration of an operational configuration;

FIG. 6 is a schematic view of the latch plate;

figure 7 is an overall schematic view of the edge safety device.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying the present invention are described in detail below with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Example 1

The embodiment provides an edge safety device, the structure of which is shown in fig. 1, and the edge safety device comprises a guide rail assembly 100 and a buckle assembly 200, wherein the guide rail assembly 100 comprises a guide rail ring 120 composed of a plurality of guide rail sections 110, and safety limiting areas are formed in two sides of the side of the guide rail ring 120 at a certain distance. The fastener assembly 200 comprises a clamping piece 210 connected to the guide rail section 110 in a sliding manner, an operation structure 220 is arranged on the clamping piece 210, and the operation structure 220 controls the clamping piece 210 to be detachably connected with the guide rail section 110; the clamping piece 210 is provided with a mounting ring 250 for mounting a rope, the rope is matched with the clamping piece 210 to connect the guide rail section 110, the determination of a safe area is realized, and the falling risk of an operator in the process of working at the edge can be effectively reduced.

According to the edge safety device provided by the embodiment, the guide rail assembly 100 is used for determining a safety area, and the limit of the working range is performed by matching with the buckle assembly 200 which is detachably connected, so that the influence of the safety device on the work can be reduced as much as possible while the safety is ensured, and the normal movement of an operator in the safety area is kept. Meanwhile, the clamping piece 210 is detachably connected with the guide rail section 110, so that when a plurality of operators work simultaneously, the positions and the sequence of the buckle assemblies 200 can be adjusted at any time, and mutual interference among the buckle assemblies 200 is avoided.

Face limit safety device that this embodiment provided installs at the top of rotor, and automatic will regional restriction be the top of rotor during the use, easy operation allows many people to develop maintenance work simultaneously, and detachable buckling piece can coordinate each staff's position relation fast.

Example 2

The embodiment provides an edge safety device, and a guide rail assembly 100 comprises a plurality of guide rail sections 110, wherein the guide rail sections 110 are connected end to form a guide rail ring 120; the fastener assembly 200 comprises a clamping piece 210 connected to the guide rail section 110 in a sliding manner, an operation structure 220 is arranged on the clamping piece 210, and the operation structure 220 controls the clamping piece 210 to be detachably connected with the guide rail strip; the clip 210 is provided with a mounting ring 250 for mounting a rope.

As shown in fig. 2, the guide rail section 110 in this embodiment includes a guide rail base plate 112 and a rail bar, the rail bar protrudes from the guide rail base plate 112, and two sides of the rail bar form a moving channel for the rail bar to move. The guide rail base plate 112 is fixedly installed on the ground by using bolts, the slide rail bar is arranged on the guide rail base plate 112 perpendicular to the ground, specifically, the cross section of the slide rail bar is in a T shape, the lower end part of the T shape is integrally formed with the guide rail base plate 112, and the clamping pieces 210 are clamped on two sides of the T shape.

As shown in fig. 7, the location of the guide rail loop 120 is at 1/2 the radius of the top of the rotor and the length of the cable is also 1/2 the radius so that the service area can be limited to just the top of the rotor.

As shown in fig. 3, the fastening member 210 in this embodiment includes a fastening body 240 and claws 211 disposed on two sides of the fastening body 240, wherein the claws 211 on two sides are respectively contacted with two sides of the slide rail strip, and bent portions 211a are formed at end portions of the claws 211.

Specifically, the clamping jaw 211 is movably connected to the buckle body 240, and has a clamping state for tightly holding the slide rail bar and a separation state for detaching the slide rail bar; the operation structure 220 is connected with the clamping jaws 211 and drives the clamping jaws 211 to switch between a clamping state and a separating state.

In the clamping state, the distance between the bent parts 211a of the claws 211 is smaller than the width of the top of the T-shaped slide rail, so that the claws 211 cannot be separated from the slide rail. And when the clamping jaws 211 are in a separated state, the distance between the bent parts 211a of the clamping jaws 211 is greater than the width of the top of the T-shaped slide rail strip, so that the clamping jaws 211 can be separated from the slide rail strip. Through the jack catch 211 that sets up can move about, realized the dismantled connection of joint spare 210 and slide rail strip.

In order to enable the jaws 211 to move on the buckle assembly 200, a sliding structure 230 is arranged between the jaws 211 and the buckle body 240, the sliding structure 230 comprises linear racks 242a and a driving gear 242b, the linear racks 242a are connected to each jaw 211, and the two linear racks 242a are symmetrically arranged in parallel and have the length direction along the moving direction of the jaws 211. The driving gear 242b is disposed between the linear racks 242a and engaged with the two linear racks 242a, and when the driving gear 242b rotates, the driving linear rack 242a is driven to move linearly, thereby driving the linear movement of the jaws 211, and simultaneously, the two linear racks 242a are symmetrically arranged in parallel, so that the moving directions of the two linear racks 242a are opposite, thereby changing the position movement of the jaws 211 to be relatively close to or apart from each other in the linear direction. And the modules of the two linear racks 242a are the same, the power generated by the rotation of one driving gear 242b will make the two linear racks 242a move at the same distance and move synchronously, and the movement of the jaws 211 connected with the two linear racks is also embodied synchronously. In order to control the direction and angle of rotation of the drive gear 242b, the drive gear 242b in this embodiment is coupled to the operating structure 220.

Preferably, as shown in fig. 4, the sliding structure 230 in this embodiment is disposed in the sliding cavity 243 of the buckle body 240, and the installation cavity 242 is disposed on a side of the buckle body 240 close to the fastening member 210.

As shown in fig. 5, the operating structure 220 in this embodiment includes an operating lever 221, a locking plate 222, and a locking piece 223. Meanwhile, the buckle body 240 is provided with a mounting cavity 242, and the operation structure 220 is disposed in the mounting cavity 242. One end of the operating rod 221 is connected to the driving gear 242b, and the other end thereof passes through the rotating hole 241 of the buckle body 240. The rotation holes 241 are opened at both ends of the mounting cavity 242, and the operation rod 221 passes through the two rotation holes 241 and then is connected to the driving gear 242 b.

The locking plate 222 is fixed on the buckle body 240 and is provided with a locking groove; and a locking piece 223 coupled to the operating lever 221, rotated on the locking plate 222, and adapted to be inserted into the locking groove. The locking piece 223 is in the form of a long rod, has a longitudinal direction perpendicular to the axial direction of the operating lever 221, and can be locked at different positions as the operating lever 221 rotates.

Specifically, as shown in fig. 6, a through hole 222a communicated with the rotation hole 241 is formed in the lock plate 222, the locking grooves include a first locking groove 222b and a second locking groove 222c which are vertically arranged, the first locking groove 222b and the second locking groove 222c are both long waist holes capable of accommodating the lock piece 223, and are formed in the same surface of the lock plate 222 and are blind holes. A through hole 222a is opened at a crossing position of the first locking groove 222b and the second locking groove 222 c. After the locking piece 223 enters the locking groove, it contacts with the sidewall of the locking groove, and the rotation of the operating lever 221 is blocked and cannot be rotated, so that the position locking is realized. Specifically, when the locking piece 223 enters the first locking groove 222b, the clip 210 is in a separated state and can be inserted into or removed from the slide rail bar, and when the locking piece 223 enters the second locking groove 222c, the clip 210 is in a clipping state and is tightly held with the slide rail bar.

When the buckle assembly 200 needs to be temporarily detached from the guide rail section 110, the operation rod 221 only needs to be rotated by 90 degrees, so that the matching switching between the clamping piece 210 and the slide rail bar can be realized, and the clamping piece 210 and the guide rail section 110 can be buckled by continuously rotating the operation rod 221 by 90 degrees during installation. The operation is simple and quick.

In order to maintain the state stability of the operating structure 220, as shown in fig. 5, the operating rod 221 moves linearly along the axial direction of the rotating hole 241, the operating rod 221 in this embodiment is provided with a reset member, which includes a check plate 221a disposed on the operating rod 221 and a spring 221b disposed between the check plate 221a and the buckle body 240, and the spring 221b applies a force to the check plate 221a to make the locking piece 223 approach the locking plate 222, so that the locking piece 223 can be kept tightly attached to the inner wall of the locking groove, and the locking piece 223 is prevented from automatically sliding out of the locking groove, so that the connection of the fastening member fails. When the operating lever 221 needs to be rotated, the locking piece 223 can be rotated only after being moved out of the locking groove by overcoming the elastic force of the spring 221b, and when the operating lever is rotated in place, the locking piece 223 is automatically pushed into the locking groove by the spring 221b, so that automatic reset is realized.

Specifically, as shown in fig. 5, the check plate 221a and the spring 221b are disposed in the mounting cavity 242, and both ends of the spring 221b abut between the mounting cavity 242 and the check plate 221a, wherein one end of the spring 221b abuts on an end surface of the mounting cavity 242 on a side close to the slider, the check plate 221a is formed and the lever is located in a middle portion in the mounting cavity 242, the spring 221b is in a compressed state, a pushing force is applied to the check plate 221a, and the locking plate 222 is formed on an end of the mounting cavity 242 away from the clip 210, and the locking piece 223 is pushed to tightly lock the locking plate 222 due to the pushing force. When the operating lever 221 is rotated, the operating lever 221 is pushed towards the direction of the clamping member 210, so that after the locking piece 223 moves out of the locking groove, the operating lever 221 is released when the locking piece 223 rotates by 90 degrees, and the spring 221b automatically pushes the locking piece 223 into the locking groove.

And the mounting ring 250 is arranged at the end part of the operating rod 221, and in the process of maintenance operation, the rope can pull the operating rod 221 outwards, so that the locking piece 223 is further tightly attached to the locking plate 222, the locking piece 223 is prevented from automatically moving out of the locking groove, and the stability of the structure is improved.

As shown in fig. 3, in order to enable the claw 211 to slide smoothly on the slide rail bar, a roller 211b is disposed on a side of the claw 211 close to the slide rail bar, when the claw 211 is in a clamping state, the roller 211b contacts with a side surface of the slide rail bar, and when the claw 211 is dragged and moved by stretching, the roller 211b rotates, and friction force is reduced.

It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.

It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims (10)

1. An edge-facing safety device, characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the guide rail assembly (100) comprises a plurality of guide rail sections (110), and the guide rail sections (110) are connected end to form a guide rail ring (120);

the fastener assembly (200) comprises a clamping piece (210) connected to the guide rail section (110) in a sliding mode, an operation structure (220) is arranged on the clamping piece (210), and the operation structure (220) controls the clamping piece (210) to be detachably connected with the guide rail section (110); the clamping piece (210) is provided with a mounting ring (250) for mounting a rope.

2. The edge-proximity security device of claim 1, wherein: the guide rail section (110) comprises a guide rail base plate (112) and a slide rail strip, wherein the slide rail strip protrudes out of the guide rail base plate (112), and two sides of the slide rail strip form a moving channel for the slide rail strip to move.

3. The edge-proximity security device of claim 2, wherein: the cross section of the slide rail bar is T-shaped.

4. The edge-proximity security device of claim 2 or 3, wherein: the clamping piece (210) comprises a buckle body (240) and clamping jaws (211) arranged on two sides of the buckle body (240), the clamping jaws (211) on the two sides are respectively contacted with two sides of the sliding rail bar, and bent portions (211a) are formed at the end portions of the clamping jaws (211).

5. The edge-proximity security device of claim 4, wherein: the clamping jaw (211) is movably connected to the buckle body (240) and has a clamping state for tightly holding the slide rail bar and a separation state for detaching the slide rail bar; the operating structure (220) is connected with the clamping jaw (211) and drives the clamping jaw (211) to be switched between a clamping state and a separating state.

6. The edge-proximity security device of claim 5, wherein: a sliding structure (230) is arranged between the claw (211) and the buckle body (240), and comprises

The linear racks (242a) are connected to each jaw (211), the two linear racks (242a) are symmetrically arranged in parallel, and the length direction of the two linear racks is along the movement direction of the jaws (211);

and the driving gear (242b) is arranged between the linear racks (242a) and meshed with the two linear racks (242a), and the driving gear (242b) is connected with the operating structure (220).

7. The edge-proximity security device of claim 6, wherein: the operating structure (220) comprises,

an operating rod (221), one end of which is connected with the driving gear (242b), and the other end of which passes through a rotating hole (241) on the buckle body (240);

the locking plate (222) is fixedly arranged on the buckle body (240) and is provided with a locking groove;

a locking piece (223) coupled to the operating lever (221), rotated on the locking plate (222), and adapted to enter the locking groove.

8. The edge-proximity security device of claim 7, wherein: locking board (222) the shaping has on locking board (222) with through-hole (222a) of rotation hole (241) intercommunication, lock groove including perpendicular first locking groove (222b) and the second that sets up and lock groove (222c), lock piece (223) get into during first locking groove (222b), jack catch (211) are in the separation state, lock piece (223) get into during second locking groove (222c), jack catch (211) are in the joint state.

9. The edge-proximity security device of claim 8, wherein: the operating rod (221) moves linearly along the axial direction of the rotating hole (241), a reset piece is arranged on the operating rod (221), the reset piece comprises a check plate (221a) arranged on the operating rod (221) and a spring (221b) arranged between the check plate (221a) and the buckle body (240), and the spring (221b) applies force to the check plate (221a) to enable the locking piece (223) to approach the locking plate (222).

10. The edge-proximity security device of claim 9, wherein: and a roller (211b) is arranged on one side, close to the slide rail bar, of the clamping jaw (211).

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