CN216250006U

CN216250006U - Petrochemical is explosion-proof guard shield for detector

Info

Publication number: CN216250006U
Application number: CN202122823191.XU
Authority: CN
Inventors: 甄志斌; 柳凯; 王孝光; 刘小刚
Original assignee: Ningxia Yinshan Energy Chemical Co ltd
Current assignee: Ningxia Yinshan Energy Chemical Co ltd
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-04-08
Anticipated expiration: 2031-11-18

Abstract

The utility model discloses an explosion-proof shield for a petrochemical detector, which comprises a shield mechanism arranged on the outer side of a detection instrument, wherein the detection instrument comprises a gauge head and a gauge measuring rod arranged at the bottom of the gauge head, the shield mechanism comprises an explosion-proof shield main body sleeved on the gauge head, the bottom of the explosion-proof shield main body is in sealed movable contact with a fixing plate, the fixing plate is fixedly sleeved on the outer side of the gauge measuring rod, a transparent observation plate is fixedly embedded on the inner wall of the left side of the explosion-proof shield main body, clamping grooves are respectively formed in the inner walls of the two sides of the explosion-proof shield main body, and rectangular grooves are respectively formed in the two sides of the top of the fixing plate. According to the utility model, the anti-explosion shield main body and the transparent observation plate are arranged, so that the gauge head is protected conveniently, the risk of corrosion of the gauge head by a solution or impact damage caused by collision is reduced, the anti-explosion shield main body is convenient to disassemble and assemble quickly, the anti-explosion shield main body can be disassembled and assembled in a sealing manner quickly, the follow-up maintenance work of personnel on the gauge head is facilitated, and the use requirement is met.

Description

Petrochemical is explosion-proof guard shield for detector

Technical Field

The utility model relates to the technical field of explosion-proof shields, in particular to an explosion-proof shield for a petrochemical engineering detector.

Background

The petrochemical industry is petrochemical industry for short, the petrochemical industry is basic industry, provides matching and service for agriculture, energy, traffic, machinery, electronics, textile, light industry, buildings, building materials and other industrial and agricultural industries and daily life of people, plays a significant role in national economy, and the petrochemical industry refers to the processing industry for producing petroleum products and petrochemical products by taking petroleum and natural gas as raw materials; in the process of processing petrochemical products, various detection instruments, such as a pressure gauge, a temperature instrument, a flow instrument, a liquid level instrument and the like, are generally used for detecting the temperature, the pressure and the like of a medium.

Petrochemical detecting instruments are directly exposed in the external environment, and due to the fact that equipment structures in a production area are complex, the detecting instrument structures are often damaged by corrosive liquid or mistakenly touched, and therefore an explosion-proof protective cover is mostly installed on the outer side of the detecting instrument for protection; but the explosion-proof guard shield of current instrumentation outside installation has the shortcoming of quick assembly disassembly of being not convenient for the personnel of being not convenient for follow-up overhaul the instrumentation and maintain, can not satisfy the user demand, therefore we have proposed an explosion-proof guard shield for petrochemical detector for solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides an explosion-proof shield for a petrochemical engineering detector.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an explosion-proof shield for a petrochemical detector comprises a shield mechanism arranged on the outer side of a detection instrument, wherein the detection instrument comprises a gauge head and a gauge measuring rod at the bottom of the gauge head, the shield mechanism comprises an explosion-proof shield main body sleeved on the gauge head, the bottom of the explosion-proof shield main body is in sealed movable contact with a fixed plate, the fixed plate is fixedly sleeved on the outer side of the gauge measuring rod, a transparent observation plate is fixedly embedded on the inner wall of the left side of the explosion-proof shield main body, clamping grooves are respectively formed on the inner walls of the two sides of the explosion-proof shield main body, rectangular grooves are respectively formed on the two sides of the top of the fixed plate, L-shaped clamping rods are movably clamped in the two clamping grooves, the two L-shaped clamping rods are symmetrically arranged, the bottom ends of the L-shaped clamping rods extend into the corresponding rectangular grooves, elastic guide assemblies are fixedly connected between the inner walls of the two sides of the rectangular grooves, and are slidably sleeved on the corresponding elastic guide assemblies, all rotate on the one side inner wall that two rectangular channels are close to each other and install the fixed pulley, the ring channel that the bottom set up for the opening is seted up in the outside of fixed plate, it is equipped with the knob ring to rotate the cover on the inside wall of ring channel, the equal fixedly connected with handle bar in four sides of knob ring, equal fixedly connected with soft wire rope on the both sides inner wall of knob ring, and soft wire rope's one end is walked around the fixed pulley that corresponds and is close to one side of table measuring stick and be close to one side fixed connection of table measuring stick with L shape kelly, two sealed direction subassemblies of symmetry fixedly connected with on the inside wall of ring channel, sealed direction subassembly slip cover is established on the soft wire rope that corresponds.

Preferably, the elastic guide assembly comprises a guide rod and a spring, the two ends of the guide rod are fixedly connected with the inner walls of the two sides of the corresponding rectangular groove respectively, and the two ends of the spring are fixedly connected with the inner wall of one side, close to the meter measuring rod, of the corresponding L-shaped clamping rod and the inner wall of one side, close to the meter measuring rod, of the rectangular groove respectively.

Preferably, the sealing guide assembly comprises guide sleeves and sealing sleeves, the two sealing sleeves are respectively sleeved on the corresponding guide sleeves in a bonding manner, the sealing sleeves are sleeved on the corresponding flexible steel wire ropes in a sliding manner, and the insides of the sides, far away from each other, of the two guide sleeves are all in a horn mouth shape.

Preferably, a rectangular sealing ring is fixedly bonded to the bottom of the main body of the explosion-proof shield, and the bottom of the rectangular sealing ring is in movable contact with the top of the fixing plate in a sealing manner.

Preferably, the knob ring is fixedly sleeved with a bearing, and an inner ring of the bearing is fixedly sleeved with the inner side wall of the annular groove.

Preferably, round through holes are formed in the inner wall of one side, away from each other, of each rectangular groove, and the soft steel wire rope is located in the corresponding round through holes and does not contact with the inner wall of the round through holes.

Preferably, a square hole is formed in one side, close to the meter measuring rod, of the L-shaped clamping rod, and the inner wall of the square hole is in sliding connection with the outer side of the corresponding guide rod.

Preferably, the top of the fixed plate is provided with a fixed hole fixedly connected with the outer side of the meter measuring rod.

Compared with the prior art, the utility model has the beneficial effects that:

through the cooperation of a meter head, a meter measuring rod, an explosion-proof shield main body, a transparent observation plate, a fixed plate, a rectangular sealing ring, a clamping groove, a rectangular groove, a guide rod, a spring, a fixed pulley, an annular groove, a knob ring, a guide sleeve, a soft steel wire rope and an L-shaped clamping rod with a bearing, the arrangement of the explosion-proof shield main body can form surrounding protection on the meter head, a handle rod is pulled forward to drive the knob ring to rotate forward, the knob ring drives the two soft steel wire ropes to respectively slide in corresponding sealing sleeves, the soft steel wire ropes slide outside corresponding fixed pulleys, the two soft steel wire ropes drive the two L-shaped clamping rods to slide on the two guide rods in the direction close to each other and compress the two springs, the L-shaped clamping rods are separated from the corresponding clamping grooves, the clamping is released, and the explosion-proof shield main body can be moved upwards to drive the rectangular sealing ring to be separated from the fixed plate, and the disassembly is completed;

during the installation, will blast protection cover main part moves down, make it drive the rectangle sealing washer downwards with the fixed plate contact, relax the pulling force to the handle pole, two springs that are in compression state this moment drive two L shape kellies to the orientation of keeping away from each other respectively the card go into the draw-in groove that corresponds in, the installation is accomplished, the rectangle sealing washer can form sealedly between blast protection cover main part and fixed plate, be convenient for quick to blast protection cover main part dismouting, make things convenient for the follow-up maintenance work to the gauge outfit of personnel.

According to the utility model, the anti-explosion shield main body and the transparent observation plate are arranged, so that the gauge head is protected conveniently, the risk of corrosion of the gauge head by a solution or impact damage caused by collision is reduced, the anti-explosion shield main body is convenient to disassemble and assemble quickly, the anti-explosion shield main body can be disassembled and assembled in a sealing manner quickly, the follow-up maintenance work of personnel on the gauge head is facilitated, and the use requirement is met.

Drawings

FIG. 1 is a schematic structural view of an explosion-proof shield for a petrochemical engineering detector according to the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

FIG. 3 is an enlarged view of part A of FIG. 2;

FIG. 4 is a schematic view of the bottom structure of the fixing plate, the knob ring and the handle bar connecting piece of the explosion-proof shield for the petrochemical detector according to the present invention;

fig. 5 is a left side view structural schematic diagram of an explosion-proof shield main body, a transparent observation plate and a fixing plate connecting piece of the explosion-proof shield for the petrochemical detector.

In the figure: 100. a gauge head; 101. a meter measuring rod; 1. an explosion-proof shield body; 2. a transparent viewing plate; 3. a fixing plate; 4. a rectangular sealing ring; 5. a card slot; 6. a rectangular groove; 7. a guide bar; 8. a spring; 9. a fixed pulley; 10. an annular groove; 11. a knob ring; 12. a guide sleeve; 13. a soft wire rope; 14. an L-shaped clamping rod; 15. and a bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-5, an explosion-proof shield for a petrochemical detector comprises a shield mechanism arranged on the outer side of a detection instrument, the detection instrument comprises a gauge head 100 and a gauge measuring rod 101 at the bottom of the gauge head 100, the shield mechanism comprises an explosion-proof shield main body 1 sleeved on the gauge head 100, the bottom of the explosion-proof shield main body 1 is in sealed movable contact with a fixed plate 3, the fixed plate 3 is fixedly sleeved on the outer side of the gauge measuring rod 101, a transparent observation plate 2 is fixedly embedded on the inner wall of the left side of the explosion-proof shield main body 1, clamping grooves 5 are respectively arranged on the inner walls of the two sides of the explosion-proof shield main body 1, rectangular grooves 6 are respectively arranged on the two sides of the top of the fixed plate 3, L-shaped clamping rods 14 are movably clamped in the two clamping grooves 5, the two L-shaped clamping rods 14 are symmetrically arranged, the bottom ends of the L-shaped clamping rods 14 extend into the corresponding rectangular grooves 6, and an elastic guide component is fixedly connected between the inner walls of the two sides of the rectangular grooves 6, the L-shaped clamping rods 14 are slidably sleeved on the corresponding elastic guide assemblies, fixed pulleys 9 are rotatably mounted on the inner wall of one side, close to each other, of each of the two rectangular grooves 6, an annular groove 10 with an opening at the bottom is formed in the outer side of the fixing plate 3, a knob ring 11 is rotatably sleeved on the inner side wall of the annular groove 10, handle rods are fixedly connected to four sides of the knob ring 11, soft steel wire ropes 13 are fixedly connected to the inner walls of two sides of the knob ring 11, one end of each soft steel wire rope 13 bypasses one side, close to the meter measuring rod 101, of the corresponding fixed pulley 9 and is fixedly connected with one side, close to the meter measuring rod 101, of each L-shaped clamping rod 14, two sealing guide assemblies are symmetrically and fixedly connected to the inner side wall of the annular groove 10, and the sealing guide assemblies are slidably sleeved on the corresponding soft steel wire ropes 13;

the elastic guide assembly comprises a guide rod 7 and a spring 8, two ends of the guide rod 7 are fixedly connected with the inner walls of two sides of the corresponding rectangular groove 6 respectively, and two ends of the spring 8 are fixedly connected with the inner walls of one side, close to the meter measuring rod 101, of the corresponding L-shaped clamping rod 14 and one side, close to the meter measuring rod 101, of the rectangular groove 6 respectively;

the sealed guide assembly comprises guide sleeves 12 and seal sleeves, the two seal sleeves are respectively sleeved on the corresponding guide sleeves 12 in a bonding mode, the seal sleeves are sleeved on the corresponding flexible steel wire ropes 13 in a sliding mode, the interiors of the sides, far away from each other, of the two guide sleeves 12 are both in a horn mouth shape, the gauge head 100 is protected conveniently through the anti-explosion shield main body 1 and the transparent observation plate 2, the risk that the gauge head is corroded by a solution or is damaged by collision due to mistake is reduced, the anti-explosion shield main body 1 is convenient to disassemble and assemble quickly, the gauge head can be disassembled and installed in a sealing mode quickly, staff can overhaul the gauge head 100 subsequently, and the using requirements are met.

In the utility model, a rectangular sealing ring 4 is fixedly bonded at the bottom of an explosion-proof shield main body 1, the bottom of the rectangular sealing ring 4 is in sealed movable contact with the top of a fixed plate 3, a bearing 15 is fixedly sleeved in a knob ring 11, an inner ring of the bearing 15 is fixedly sleeved with the inner side wall of an annular groove 10, round through holes are respectively formed in the inner walls of the two rectangular grooves 6 far away from each other, a soft steel wire rope 13 is positioned in the corresponding round through hole and is not in contact with the inner wall of the round through hole, a square hole is formed in one side of an L-shaped clamping rod 14 close to a meter measuring rod 101, the inner wall of the square hole is in sliding connection with the outer side of the corresponding guide rod 7, and a fixed hole fixedly connected with the outer side of the meter measuring rod 101 is formed in the top of the fixed plate 3. the utility model is convenient to protect a meter head 100 by arranging the explosion-proof shield main body 1 and a transparent observation plate 2, and reduces the risk of damage caused by corrosion of a solution or impact by mistake, and the explosion-proof shield main body 1 can be conveniently and quickly disassembled and assembled, and can be quickly disassembled and hermetically installed, so that the follow-up maintenance work of personnel on the gauge outfit 100 is facilitated, and the use requirements are met.

The working principle is as follows: when the explosion-proof shield is used, the explosion-proof shield main body 1 can form surrounding protection on the gauge head 100, the risk of damage caused by corrosive liquid or accidental collision is reduced, when the explosion-proof shield main body 1 needs to be disassembled in subsequent maintenance, the handle rod is pulled forward to drive the knob ring 11 to rotate forward, the knob ring 11 drives the two soft steel wire ropes 13 to respectively slide in the sealing sleeves in the corresponding guide sleeves 12, the outer ends of the soft steel wire ropes 13 are bent towards the rotating direction of the knob ring 11 by being attached to the inner sides of the corresponding guide sleeves 12, at the moment, the soft steel wire ropes 13 slide outside the corresponding fixed pulleys 9, the two soft steel wire ropes 13 drive the two L-shaped clamping rods 14 to slide on the two guide rods 7 in the mutually approaching direction, the L-shaped clamping rods 14 are separated from the corresponding clamping grooves 5 and compress the springs 8 to release clamping, at the moment, the explosion-proof shield main body 1 can be moved upwards to drive the rectangular sealing rings 4 to be separated from the fixed plate 3, the disassembly is completed;

when the anti-explosion shield is installed, the handle rod is pulled again to drive the knob ring 11 to rotate in the forward direction, the spring 8 is compressed again, the anti-explosion shield main body 1 moves downwards at the moment, the rectangular sealing ring 4 is driven to contact with the fixing plate 3 downwards, the pulling force on the handle rod is released at the moment, the elastic force of the two springs 8 in the compressed state drives the two L-shaped clamping rods 14 to move back in the direction away from each other, the L-shaped clamping rods 14 move back to be clamped into the corresponding clamping grooves 5, the anti-explosion shield main body 1 is clamped, and the installation is completed, and the rectangular sealing ring 4 is arranged, so that sealing can be formed between the explosion-proof shield body 1 and the fixing plate 3, the phenomenon that corrosive liquid enters the interior to damage the gauge outfit 100 can be effectively reduced, the explosion-proof shield main body 1 can be disassembled and assembled quickly, and can be disassembled and installed in a sealing mode quickly, and the follow-up maintenance work of personnel on the gauge outfit 100 is facilitated.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. An explosion-proof shield for a petrochemical detector comprises a shield mechanism arranged on the outer side of a detection instrument, wherein the detection instrument comprises a gauge head (100) and a gauge measuring rod (101) arranged at the bottom of the gauge head (100), and is characterized in that the shield mechanism comprises an explosion-proof shield main body (1) sleeved on the gauge head (100), the bottom of the explosion-proof shield main body (1) is in sealed movable contact with a fixing plate (3), the fixing plate (3) is fixedly sleeved on the outer side of the gauge measuring rod (101), a transparent observation plate (2) is fixedly embedded and embedded on the inner wall of the left side of the explosion-proof shield main body (1), clamping grooves (5) are respectively formed on the inner walls of the two sides of the explosion-proof shield main body (1), rectangular grooves (6) are respectively formed on the two sides of the top of the fixing plate (3), L-shaped clamping rods (14) are movably clamped in the two clamping grooves (5), and the two L-shaped clamping rods (14) are symmetrically arranged, the bottom end of the L-shaped clamping rod (14) extends into the corresponding rectangular groove (6), an elastic guide component is fixedly connected between the inner walls of two sides of the rectangular groove (6), the L-shaped clamping rod (14) is slidably sleeved on the corresponding elastic guide component, fixed pulleys (9) are rotatably mounted on the inner wall of one side, close to each other, of the two rectangular grooves (6), an annular groove (10) with an opening at the bottom is formed in the outer side of the fixing plate (3), a knob ring (11) is rotatably sleeved on the inner wall of the annular groove (10), handle rods are fixedly connected to four sides of the knob ring (11), soft steel wire ropes (13) are fixedly connected to the inner walls of two sides of the knob ring (11), one end of each soft steel wire rope (13) bypasses one side, close to the meter measuring rod (101), of the corresponding fixed pulley (9) and is fixedly connected with one side, close to the meter measuring rod (101), of the L-shaped clamping rod (14), two sealing guide assemblies are symmetrically and fixedly connected to the inner side wall of the annular groove (10), and the sealing guide assemblies are sleeved on the corresponding soft steel wire ropes (13) in a sliding mode.

2. The explosion-proof shield for the petrochemical detector, according to claim 1, wherein the elastic guide assembly comprises a guide rod (7) and a spring (8), two ends of the guide rod (7) are fixedly connected with inner walls of two sides of the corresponding rectangular groove (6), and two ends of the spring (8) are fixedly connected with inner walls of one side of the corresponding L-shaped clamping rod (14) close to the meter measuring rod (101) and one side of the rectangular groove (6) close to the meter measuring rod (101).

3. The explosion-proof shield for the petrochemical detector as claimed in claim 1, wherein the sealing guide assembly comprises guide sleeves (12) and sealing sleeves, the two sealing sleeves are respectively sleeved on the corresponding guide sleeves (12) in an adhesive manner, the sealing sleeves are slidably sleeved on the corresponding flexible steel wire ropes (13), and the insides of the two sides of the two guide sleeves (12) far away from each other are both in a horn mouth shape.

4. The explosion-proof shield for the petrochemical detector according to claim 1, wherein a rectangular sealing ring (4) is fixedly bonded to the bottom of the explosion-proof shield body (1), and the bottom of the rectangular sealing ring (4) is in sealing movable contact with the top of the fixing plate (3).

5. The explosion-proof shield for the petrochemical detection instrument according to claim 1, wherein the knob ring (11) is internally fixed with a bearing (15), and an inner ring of the bearing (15) is fixedly sleeved with an inner side wall of the annular groove (10).

6. The explosion-proof shield for the petrochemical detector according to claim 1, wherein the inner walls of the two rectangular grooves (6) at the sides away from each other are provided with circular through holes, and the flexible steel wire rope (13) is positioned in the corresponding circular through hole and is not in contact with the inner wall of the circular through hole.

7. The explosion-proof shield for the petrochemical detector, according to claim 2, is characterized in that a square hole is formed in one side of the L-shaped clamping rod (14) close to the meter measuring rod (101), and the inner wall of the square hole is slidably connected with the outer side of the corresponding guide rod (7).

8. The explosion-proof shield for the petrochemical detector according to claim 1, wherein the top of the fixing plate (3) is provided with a fixing hole fixedly connected with the outer side of the meter measuring rod (101).