CN208040008U - Crossing structure protection device for overhead high-voltage line - Google Patents

Abstract

The utility model discloses a crossing frame protection device of an overhead high-voltage line, the structure of which comprises a base, a buffer, a main rod, a cross rod, a protective guard, a connecting plate and a connecting rod, the crossing frame protection device of the overhead high-voltage line structurally is provided with the buffer, when a worker stands to the crossing frame, the crossing frame main body can receive a pressure which is suddenly increased in weight, the pressure eliminates the generated noise through a silencing sleeve, the pressure is transmitted to a supporting head, the supporting head presses down to lead an axle center to move downwards, a piston is driven to move downwards, hydraulic oil is pressed to the upper part of the piston through a check valve and an oil hole to reduce the pressure, a part of the pressure is reduced by a spring at the lower part of the piston, finally, the piston is upwards jacked through the spring, the hydraulic oil enters an accumulator to wait for the next stamping force, thus the impact force of the worker on the protection device when walking on the protection device can be, the protection device is prevented from being damaged by multiple impacts, and the service life of the protection device is prolonged.

Description

A kind of crossing frame protective device of overhead high voltage line

Technical field

The utility model is a kind of crossing frame protective device of overhead high voltage line, belongs to the crossing frame neck of high-tension line Domain.

Background technology

High-voltage line is commonly referred to as the transmission line of electricity of conveying 10KV or more voltages, according to GB/T2900.50-2008, definition It is provided in 2.1, high pressure is typically free of 1000V, and the voltage class of domestic high-voltage transmission lines of China is generally divided into：35KV, 110KV, 220KV, 330KV, 500KV, 750KV etc..

Prior art discloses application No. is：201220339986.1 a kind of overhead high voltage line crossing frame protection dress It sets, including the gate protective barrier in overhead high voltage line periphery is set, gate protective barrier is closely-knitted safety net protecting screen Barrier, but the prior art works as the upper protective device of staff since unexpected gravity is easy to make protective device by overweight pressure Power makes protective device damage by pressure, causes serious consequence.

Utility model content

In view of the deficienciess of the prior art, to be to provide a kind of crossing frame of overhead high voltage line anti-for the utility model aim Protection unit, it is existing to solve the problems, such as.

To achieve the goals above, the utility model is to realize by the following technical solutions：A kind of overhead high-voltage wire The crossing frame protective device on road, structure include pedestal, buffer, mobile jib, cross bar, protective fence, connecting plate, connecting rod, bind Bar, supporting rod, the pedestal are mutually welded with buffer, and the mobile jib is integrated with supporting rod, and the cross bar is installed on On mobile jib, the protective fence insertion, which is installed on, binds on bar, and the connecting plate is connected with connecting rod, and the connecting rod is installed on It binds on bar, the bar that binds is integrated with mobile jib, and the buffer includes spring, accumulator, outer tube, axle center, disappears Sound set, branch fastener, hydraulic oil, shell, non-return valve, piston, oilhole, inner tube, the spring are installed on inner tube, and the accumulator is set In in outer tube, the outer tube is installed in shell, and the axle center insertion is installed on outer tube, and noise reduction set lower surface is equipped with branch Fastener, the branch fastener are connected with axle center, and the hydraulic oil is set in inner tube, and the enclosure is equipped with branch fastener, described Non-return valve is set in piston, and the piston is installed in inner tube, and the piston is connected with axle center, and the oilhole is through inner tube On, said inner tube is set in outer tube.

Further, the supporting rod is integrated with the bar that binds.

Further, the supporting rod insertion is installed in buffer.

Further, the supporting rod insertion is installed in shell.

Further, the axis diameter 5cm.

Further, the axle center is cylindrical structure.

Further, the spring is made of spring steel, has preferable elastic effect.

Advantageous effect

A kind of crossing frame protective device of overhead high voltage line of the utility model is provided with buffer in structure, works as work When making personnel station crossing frame, the pressure that can be suddenly increased weight by one across frame body, the pressure will by noise reduction set at this time The noise of generation is eliminated, and pressure is passed to branch fastener, so that axle center is moved down by the pushing of branch fastener, band piston moves down, and passes through The top of hydraulic oil pressure to piston is reduced pressure by non-return valve and oilhole, and the spring of piston lower portion subtracts at least part of pressure, Piston is jacked up upwards finally by spring, hydraulic oil enters in accumulator, waits for stamping press next time, can drop in this way The impact force that low staff is walked about on protective device to protective device, prevents protective device from being damaged by repeat impact, carries The service life of high protective device.

Description of the drawings

Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model Sign, objects and advantages will become more apparent upon：

Fig. 1 is a kind of structural schematic diagram of the crossing frame protective device of overhead high voltage line of the utility model；

Fig. 2 is a kind of buffer cross-section structure signal of the crossing frame protective device of overhead high voltage line of the utility model Figure.

In figure：Pedestal -1, buffer -2, mobile jib -3, cross bar -4, protective fence -5, connecting plate -6, connecting rod -7, bind bar - 8, supporting rod -9, spring -201, accumulator -202, outer tube -203, axle center -204, noise reduction set -205, branch fastener -206, hydraulic pressure Oil -207, shell -208, non-return valve -209, piston -210, oilhole -211, inner tube -212.

Specific implementation mode

To make the technical means, creative features, achievement of purpose, and effectiveness of the utility model be easy to understand, below In conjunction with specific implementation mode, the utility model is expanded on further.

It please refers to Fig.1, Fig. 2, the utility model provides a kind of crossing frame protective device technical solution of overhead high voltage line： Its structure includes pedestal 1, buffer 2, mobile jib 3, cross bar 4, protective fence 5, connecting plate 6, connecting rod 7, the bar 8 that binds, supporting rod 9, The pedestal 1 is welded with 2 phase of buffer, and the mobile jib 3 is integrated with supporting rod 9, and the cross bar 4 is installed on mobile jib 3 On, the insertion of the protective fence 5, which is installed on, binds on bar 8, and the connecting plate 6 is connected with connecting rod 7, and the connecting rod 7 is installed In on the bar 8 that binds, the bar 8 that binds is integrated with mobile jib 3, the buffer 2 include spring 201, accumulator 202, Outer tube 203, axle center 204, noise reduction set 205, branch fastener 206, hydraulic oil 207, shell 208, non-return valve 209, piston 210, oilhole 211, inner tube 212, the spring 201 are installed on inner tube 212, and the accumulator 202 is set in outer tube 203, and the outer tube 203 is pacified Loaded in shell 208, the insertion of the axle center 204 is installed on outer tube 203, and the noise reduction covers 205 lower surfaces and is equipped with branch fastener 206, the branch fastener 206 is connected with axle center 204, and the hydraulic oil 207 is set in inner tube 212, is set inside the shell 208 There are branch fastener 206, the non-return valve 209 to be set in piston 210, the piston 210 is installed in inner tube 212, the piston 210 It is connected with axle center 204, the oilhole 211 is through in inner tube 212, and said inner tube 212 is set in outer tube 203, the support Bar 9 is integrated with the bar 8 that binds, and the insertion of the supporting rod 9 is installed in buffer 2, and the insertion of the supporting rod 9 is installed on In shell 208,204 diameter 5cm of the axle center, the axle center 204 is cylindrical structure, and the spring 201 is made of spring steel, With preferable elastic effect.

Spring 201 described in this patent be it is a kind of using elasticity come work machine components, zero made of elastic material Part deforms upon under external force, restores to the original state again after removing external force, also makees " spring ", be generally made of spring steel, described Piston 210 is parts reciprocating in Motor Engine Cylinder body, and the basic structure of piston can be divided into top, head and skirt Portion, top land are the major parts for forming combustion chamber, and shape is related with selected combustion-chamber shape, and gasoline engine mostly uses Flat-head piston usually has various pits, concrete shape, position its advantage is that endotherm area is small at the top of diesel engine piston It sets and size must be all adapted with the mixed Daqu of diesel engine and the requirement of burning.

In the pressure can be suddenly increased weight by one across frame body in use, when operator station is to crossing frame Power, at this time the pressure noise of generation is eliminated by noise reduction set 205, pressure is passed into branch fastener 206, by under branch fastener 206 Pressure makes axle center 204 move down, and band piston 210 moves down, and hydraulic oil 207 is pressed onto piston by non-return valve 209 and oilhole 211 210 top reduces pressure, and the spring 201 of 210 lower part of piston subtracts at least part of pressure, will live finally by spring 201 Plug 210 jacks up upwards, and hydraulic oil 207 enters in accumulator 202, waits for stamping press next time.

The utility model solves the prior art when the upper protective device of staff is since unexpected gravity is easy to make protection Device is by overweight pressure, and the problem of so that protective device is damaged by pressure, cause serious consequence, the utility model passes through above-mentioned component Be combined with each other, in structure be provided with buffer, when operator station is to crossing frame, across frame body can by one dash forward The pressure so to increase weight, at this time the pressure noise of generation is eliminated by noise reduction set, pressure is passed into branch fastener, by under branch fastener Pressure makes axle center move down, and band piston moves down, and the top of hydraulic oil pressure to piston is reduced pressure by non-return valve and oilhole The spring of power, piston lower portion subtracts at least part of pressure, jacks up piston upwards finally by spring, hydraulic oil enters accumulator It is interior, stamping press next time is waited for, the impact that staff is walked about on protective device to protective device can be reduced in this way Power prevents protective device from being damaged by repeat impact, improves the service life of protective device.

The advantages of basic principles and main features and the utility model of the utility model have been shown and described above, for For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this In the case of the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent requirements of the claims All changes are embraced therein.Any reference numeral in claim should not be considered as to the involved right of limitation It is required that.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiment being appreciated that.

Claims (5)

1. a kind of crossing frame protective device of overhead high voltage line, it is characterised in that：Its structure includes pedestal (1), buffer (2), mobile jib (3), cross bar (4), protective fence (5), connecting plate (6), connecting rod (7), the bar that binds (8), supporting rod (9), the bottom Seat (1) is mutually welded with buffer (2), and the mobile jib (3) is integrated with supporting rod (9), and the cross bar (4) is installed on master On bar (3), protective fence (5) insertion is installed on the bar that binds (8), and the connecting plate (6) is connected with connecting rod (7), institute It states connecting rod (7) to be installed on the bar that binds (8), the bar that binds (8) is integrated with mobile jib (3), the buffer (2) Including spring (201), accumulator (202), outer tube (203), axle center (204), noise reduction set (205), branch fastener (206), hydraulic oil (207), shell (208), non-return valve (209), piston (210), oilhole (211), inner tube (212), the spring (201) are installed on Inner tube (212), the accumulator (202) are set in outer tube (203), and the outer tube (203) is installed in shell (208), described Axle center (204) insertion is installed on outer tube (203), and noise reduction set (205) lower surface is equipped with branch fastener (206), the support Head (206) is connected with axle center (204), and the hydraulic oil (207) is set in inner tube (212), and the shell (208) is internally provided with Branch fastener (206), the non-return valve (209) are set in piston (210), and the piston (210) is installed in inner tube (212), institute It states piston (210) with axle center (204) to be connected, through in inner tube (212), said inner tube (212) is set to the oilhole (211) In outer tube (203).

2. a kind of crossing frame protective device of overhead high voltage line according to claim 1, it is characterised in that：The support Bar (9) is integrated with the bar that binds (8).

3. a kind of crossing frame protective device of overhead high voltage line according to claim 1, it is characterised in that：The support Bar (9) is embedded to be installed in buffer (2).

4. a kind of crossing frame protective device of overhead high voltage line according to claim 1, it is characterised in that：The support Bar (9) is embedded to be installed in shell (208).

5. a kind of crossing frame protective device of overhead high voltage line according to claim 1, it is characterised in that：The axle center (204) diameter 5cm.