CN214309466U

CN214309466U - Portable clamping mechanism and safety valve detector with same

Info

Publication number: CN214309466U
Application number: CN202120339662.7U
Authority: CN
Inventors: 华岩; 刘飞
Original assignee: Zhongke Yu Sheng Security Technology Co ltd
Current assignee: Zhongke Yu Sheng Security Technology Co ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-09-28
Anticipated expiration: 2031-02-05

Abstract

The utility model provides a portable clamping mechanism and a safety valve detector with the same, which relate to the field of safety valve detection and solve the technical problems that the safety valve clamping mechanism has larger volume and unstable fixing effect on a safety valve; the portable clamping mechanism comprises a cross beam, and a pressure plate assembly and an air disc which are arranged on the cross beam, wherein the horizontal distance between all the pressure plate assemblies is adjustable; the air disk is internally provided with an air passage for communicating the air outlet pipe of the calibration control box and the safety valve, is connected with a driving device and can be matched with all pressure plate assemblies under the pushing of the driving device to clamp the safety valve together from the upper side and the lower side; the utility model fixes the pressure plate component and the air plate through the cross beam, adjusts the distance between the pressure plate components to adapt to the size of the safety valve, and enlarges the application range; the safety valve is clamped by the air disc and the pressure disc assembly from the upper side and the lower side of the safety valve under the driving of the driving device, so that the safety valve can be clamped and fixed more stably; and the volume is less, convenient to carry saves user detection time.

Description

Portable clamping mechanism and safety valve detector with same

Technical Field

The utility model belongs to the technical field of the relief valve detects technique and specifically relates to a portable clamping mechanism and have its relief valve detector is related to.

Background

Safety valves are common valves in the industrial field and are tested at least once a year according to national regulations. The safety valve detector generally comprises a clamping mechanism and a checking operation table, wherein the safety valve is clamped on the clamping mechanism, the checking operation table is connected with the safety valve through an air pipe, and pressure readings are displayed on the checking operation table to detect the safety valve.

The applicant has found that the prior art has at least the following technical problems:

1. the existing clamping mechanism is large in size, the clamping mechanism and the calibration operation table are integrally arranged, and the safety valve can be generally only detected in a mode that a user sends the safety valve to a calibration station. And the force for fixing the safety valve is usually downward pressure acting on the safety valve, which is not enough to maintain stable fixing of the safety valve to the clamping mechanism.

2. The existing adjusting mechanism for the safety valves with different sizes is complex in structure, inconvenient to operate when a user detects the safety valves, and small in detection range.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a portable clamping mechanism and a safety valve detector with the same, so as to solve the technical problems that the existing safety valve clamping mechanism in the prior art has larger volume and unstable fixing effect on a safety valve; the utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a portable clamping mechanism, including crossbeam and the pressure disk assembly and the gas dish that are located it, wherein:

the horizontal distance between all the pressure plate assemblies is adjustable;

the gas disc is internally provided with an air passage for communicating the air outlet pipe of the checking control box and the safety valve, is connected with a driving device and can be matched with all the pressure plate assemblies under the pushing of the driving device to clamp the safety valve together from the upper side and the lower side.

Preferably, the number of the pressure plate assemblies is two, and the pressure plate assemblies are positioned on two sides of the air plate; the pressure plate assembly comprises a clamping column and a pressure plate for pressing the safety valve, wherein:

every all be connected with on the card post the pressure disk, all the card post is in mobilizable setting on the crossbeam, the pressure disk is in corresponding the setting of vertical height-adjustable on the card post.

Preferably, the outer wall of the clamping column is provided with external threads extending along the length direction of the clamping column, and the clamping column penetrates through the pressure plate and is in threaded connection with the pressure plate so as to adjust the vertical height of the pressure plate when the pressure plate is rotated.

Preferably, the cross beam is provided with sliding chutes arranged along the extending direction of the cross beam, and the sliding chutes are correspondingly distributed on two sides of the air disc;

the lower part of the clamping column is provided with a sliding part which is matched with the sliding groove, and the clamping column is pushed to enable the clamping column to move on the cross beam along the sliding groove.

Preferably, the sliding groove is an open groove penetrating through the upper end surface and the lower end surface of the cross beam, the sliding part is of an I-shaped sliding block structure, and the upper horizontal section and the lower horizontal section of the I-shaped sliding block structure are respectively clamped on the cross beam by the upper end edge and the lower end edge of the sliding groove.

Preferably, the pressure plate is disc-shaped, and/or the gas disc is disc-shaped.

Preferably, an air inlet hole is formed in the side wall of the air disc, an inlet flange is arranged on the upper surface of the air disc, which is used for clamping the safety valve, an air outlet hole in the inlet flange is communicated with the air inlet hole, and the air inlet hole is communicated with an air outlet pipe of the checking control box.

Preferably, a fixing hole position exists in the center of the cross beam, the driving device is fixedly arranged in the fixing hole position, and the telescopic end of the driving device is fixed with the lower part of the air disc; the driving device is an oil cylinder or an air cylinder.

Preferably, both ends of the cross beam are provided with support legs, and the support legs are inverted V-shaped and used for supporting the cross beam.

The utility model also provides a relief valve detector, including check-up control box and above-mentioned portable clamping mechanism, the check-up control box with portable clamping mechanism is split type structure, just the air inlet joint and the air supply of check-up control box pass through the tube coupling, the joint of giving vent to anger of check-up control box passes through the outlet duct with in the gas dish the air flue switches on.

Compared with the prior art, the utility model, following beneficial effect has:

1. the portable clamping mechanism provided by the utility model fixes the pressure plate component and the air disc through the cross beam, adjusts the distance between the pressure plate components to adapt to the size of the safety valve, and enlarges the application range; the safety valve is clamped by the air disc and the pressure disc assembly from the upper side and the lower side of the safety valve under the driving of the driving device, so that the safety valve can be clamped and fixed more stably; and the volume is less, convenient to carry saves user detection time.

2. The safety valve detector provided by the utility model has the advantages of stable clamping of the safety valve, small volume and portability; and the portable clamping mechanism and the check control box are arranged in a split mode, so that an operator can stand on one side close to the check control box to operate, and safety is guaranteed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the portable clamping mechanism of the present invention;

FIG. 2 is a top view of the portable clamping mechanism;

FIG. 3 is a side view of the portable clamping mechanism;

FIG. 4 is a schematic view of the portable clamping mechanism with the air removal disk removed;

FIG. 5 is a schematic view of the portable clamping mechanism in cooperation with a verification control box;

FIG. 6 is a schematic diagram of a configuration of one embodiment of a verification control box.

In the figure 1, a cross beam; 11. a chute; 12. fixing hole positions; 2. a platen assembly; 21. a platen; 22. clamping the column; 23. a slider; 3. an air pan; 31. an air inlet; 32. an air outlet; 4. a drive device; 5. a support leg; 6. Checking the control box; 61. a pressure gauge; 62. an air inlet; 63. an air outlet; 64. a pressure regulating valve; 65. an exhaust valve; 7. an air outlet pipe; 8. an air inlet pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "height", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

An embodiment of the utility model provides a small, portable just has the portable clamping mechanism of good clamp force to the relief valve.

The technical solution provided by the present invention will be explained in more detail with reference to fig. 1 to 5.

Example 1

As shown in fig. 1-5, the present embodiment provides a portable clamping mechanism, comprising a beam 1 and a platen assembly 2 and a gas disk 3 thereon, wherein: the horizontal distance between all the pressure plate assemblies 2 is adjustable; the air disk 3 is internally provided with an air passage for communicating an air outlet pipe 7 of the checking control box 6 and the safety valve, and the air disk 3 is connected with a driving device 4 and can be matched with all pressure disk assemblies 2 under the pushing of the driving device 4 to clamp the safety valve together from the upper side and the lower side.

Wherein, crossbeam 1 replaces large-scale operation platform among the prior art, supports pressure disk assembly 2 and air disk 3, and crossbeam 1 adopts the integral type processing, and the cooperation symmetry lightens the hole, lightens weight. The whole material is made of alloy steel, and the whole bending strength is improved through quenching and tempering.

The air disk 3 in this embodiment functions as: firstly, an air outlet pipe 7 of a check control box 6 and a safety valve are conducted to realize the conduction of an air path, so that the air pressure reading in the safety valve is displayed on the check control box 6; secondly, the safety valve is clamped by the pressure plate 21 together when the safety valve moves upwards under the pushing of the driving device, so that the safety valve is stably fixed and gas leakage is prevented.

According to the portable clamping mechanism, the pressure plate assembly 2 and the air disc 3 are fixed through the cross beam 1, the distance between the pressure plate assemblies 2 is adjusted to adapt to the size of the safety valve, and the application range is expanded; the safety valve is clamped by the air disc 3 and the pressure plate assembly from the upper side and the lower side of the safety valve under the driving of the driving device 4, so that the safety valve can be clamped and fixed more stably; and the volume is less, convenient to carry saves user detection time.

As an alternative embodiment, referring to fig. 1 and 2, the number of the pressure plate assemblies 2 in this embodiment is two and is located on both sides of the air plate 3; the two groups of pressure plate assemblies 2 and the air disc 3 in the middle can clamp and fix the safety valve by multiple parts on the upper side and the lower side of the safety valve, so that the stability of the structure is ensured; the pressure plate assembly 2 comprises a clamping column 22 and a pressure plate 21 for pressing the safety valve, wherein: each clamping column 22 is connected with a pressing plate 21, all the clamping columns 22 are movably arranged on the cross beam 1, and the vertical height of each pressing plate 21 on the corresponding clamping column 22 can be adjusted.

In the structure, the pressure plate 21 is supported by the clamping column 22, and the clamping column 22 can be movably arranged on the cross beam 1 to adjust the horizontal distance between the clamping column 22 and the cross beam, so that the safety valve structure is suitable for safety valves with different sizes; the safety valve is pressed downwards from the upper side of the safety valve through a pressure plate 21, and preferably, the pressure plate 21 is provided with a plane for pressing the safety valve downwards; and the pressure plate 21 is adjustable in the vertical height of the clamping column 22, so that the safety valve can be clamped by the upper side and the lower side in a manner that the pressure plate 21 is matched with the air disc 3, and the safety valve is prevented from loosening and affecting the air tightness test.

The pressure plate assembly in this embodiment can adjust the horizontal distance between the pressure plates 21 in the horizontal direction and can adjust the vertical height of the pressure plates 21 to clamp safety valves of different sizes.

In the present embodiment, a specific embodiment of the vertical height of the adjustable pressure plate 21 is provided, and as shown in fig. 1, an external thread extending along the length direction of the external thread is present on the outer wall of the clamping column 22, and the clamping column 22 passes through the pressure plate 21 and is in threaded connection with the pressure plate 21 to adjust the vertical height of the pressure plate 21 when the pressure plate 21 is rotated.

Specifically, referring to fig. 1, a through hole is formed in the center of the pressure plate 21, and a nut screwed to the clamp post 22 is fixed in the through hole. When the pressure plate 21 is rotated, the pressure plate 21 can move in the vertical direction of the clamping column 22, so that the safety valve is clamped close to the safety valve on the air disc 3, or the safety valve which is detected to be finished is removed far away from the safety valve on the air disc 3.

In order to facilitate the clamping column 22 to be movable on the cross beam 1, as an alternative embodiment, referring to fig. 1 and 4, a sliding groove 11 arranged along the extending direction of the cross beam 1 is present on the cross beam 1, and the sliding groove 11 is correspondingly distributed on both sides of the air disc 3; the lower part of the clamping column 22 is provided with a sliding part which is matched with the sliding groove 11, and the clamping column 22 can be pushed to move along the sliding groove 11 on the cross beam 1. The sliding portion is integrally connected to the catch 22.

Through sliding position and spout 11 complex structure between card post 22 and the crossbeam 1, manual promotion card post 22 enables two card posts 22 and is close to each other or keep away from each other, drives pressure disk 21 and is close to each other or keep away from simultaneously, guarantees that pressure disk 21 can push down on the relief valve.

In order to ensure the stability of the sliding connection structure, as an alternative embodiment, referring to fig. 4, the sliding groove 11 is an open groove penetrating through the upper and lower end surfaces of the cross beam 1, the sliding portion is an i-shaped sliding block 23, and the upper and lower horizontal sections of the i-shaped sliding block 23 respectively clamp the cross beam 1 by the upper end edge and the lower end edge of the sliding groove 11.

Above-mentioned slider 23 is with card post 22 integrated into one piece's structure, and the slider 23 of I shape can be along upper end and the lower extreme edge of centre gripping spout 11 in the slip process, prevents to break away from spout 11 when sliding, guarantees that slider 23 removes smoothly, steadily in spout 11.

As an alternative embodiment, the pressure plate 21 is disk-shaped, and/or the gas disk 3 is disk-shaped. Referring to fig. 1, 2 and 4, the pressure plate 21 and the gas disk 3 in this embodiment are both disc-shaped, and the pressure plate 21 and the gas disk 3 in this shape have circular planes that are convenient to clamp and fix, so as to ensure a contact area with the safety valve, clamp the safety valve more stably, and ensure good air tightness during verification.

In the embodiment, a gas circuit connection mode of a check control box 6 and a safety valve is provided, as shown in fig. 1 and 5, a gas inlet hole 31 is formed in the side wall of an air disc 3, the air disc 3 comprises an inlet flange for clamping the safety valve, in other words, the air disc can adopt a flange structure; the air outlet hole 32 on the inlet flange is communicated with the air inlet hole 31 to form the air flue (the air flue is positioned inside the air disc 3), the air inlet hole 31 is used for being communicated with the air outlet pipe 7 of the verification control box 6, and the air outlet hole 32 on the inlet flange is used for being aligned and communicated with the air inlet of the safety valve.

Preferably, above-mentioned venthole 32 sets up in the central point of air disk 3 and puts, is convenient for with the relief valve when aligning with venthole 32 and switch on, the relief valve can bear in the middle part position of air disk 3 simultaneously. Preferably, the air inlet holes 31 are internal thread holes, so that the air inlet holes are conveniently in threaded connection with the pipe joint of the air outlet pipe 7 of the verification control box 6, and the quick sealing connection between the air inlet holes and the pipe joint is realized.

As an alternative embodiment, referring to fig. 4, a fixing hole 12 is formed in the center of the beam 1, the driving device 4 is fixedly disposed in the fixing hole 12, and the telescopic end of the driving device 4 is fixed to the lower portion of the air disc 3; the driving device 4 is a cylinder or a gas cylinder.

In order to reduce the volume of the mechanism, it is preferable that the driving device 4 in this embodiment is a cylinder, and a telescopic end of the cylinder is connected with the air disc 3. Specifically, the lower end of the air disc 3 can be provided with a hole which is sleeved outside the telescopic end of the oil cylinder, the hole is not communicated with the air passage, and only the effect of covering the telescopic end of the oil cylinder is achieved. Preferably, the hole and the oil cylinder are not fixed, so that the air discs 3 with different sizes can be conveniently replaced, and the air discs 3 are matched with different sealing gaskets to realize sealing during the check of the safety valve; because the telescopic end of the oil cylinder pushes the air disc 3 when extending out, the air disc 3 cannot fall off in the working process due to the non-fixed connection mode of the telescopic end and the oil cylinder.

As an alternative embodiment, as shown in fig. 1, 3 and 4, the beam 1 has legs 5 at both ends, and the legs 5 are in an inverted V shape for supporting the beam 1.

The structure of the supporting leg 5 is convenient for increasing the supporting area of the cross beam 1 and the bottom supporting platform and the stability of the structure. The legs 5 are considered for the weight of the largest safety valve to be measured, and the system stability is considered for a specific angle.

Example 2

The embodiment provides a safety valve detector, which is shown in fig. 1 and 5 and comprises a checking control box 6 and the portable clamping mechanism, wherein the checking control box 6 and the portable clamping mechanism are of a split structure, an air inlet connector of the checking control box 6 is connected with an air source through an air inlet pipe 8, and an air outlet connector of the checking control box 6 is communicated with an air passage in an air disc 3 through an air outlet pipe 7.

The check safety box can be a check safety box on the existing market, and is not particularly limited herein. The air supply and the check safety box all adopt the mode of connecing soon through intake pipe 8, loading and unloading convenient and fast, and the air outlet of check control box 6 connects the air flue on the air disk 3 through outlet duct 7, and is concrete, with the inlet port 31 intercommunication on the air disk 3, the gas in the air supply passes through intake pipe 8 and gets into check control box 6 and through check control box 6, inlet port 31 on the air disk 3 is got into to outlet duct 7, gets into to the safety valve in the venthole 32 on the air disk 3. A pressure gauge 61 is typically provided on the check relief valve for monitoring the pressure within the relief valve.

Referring to fig. 6, fig. 6 shows a specific embodiment of a verification safety box, the verification control box includes an air outlet joint having an air outlet 63, and an air inlet joint having an air inlet 62, the air outlet 63 and the air inlet 62 are communicated through a pipeline (a connecting pipeline is located inside the verification control box, not shown), air in an air source is communicated with the air inlet 62 through an air inlet pipe 8, and a pressure regulating valve 64 (regulating air pressure in the corresponding pipeline), a pressure gauge 61 (including an output pressure indicator and an input pressure gauge) for displaying pressure indication, an exhaust valve 65, and the like are further disposed on the internal pipeline, which is not specifically limited herein.

The safety valve detector provided by the utility model has the advantages of stable clamping of the safety valve, small volume and portability; and portable clamping mechanism and 6 split type settings of check-up control box, the operator can stand and operate in 6 one sides of being close to the check-up control box, guarantees safety. The whole checking device is light and portable, and the field operation is greatly facilitated.

During checking, the air source bottle is connected with the control box, and the air outlet joint of the control box is connected with the air disc 3. The safety valve is aligned on the air disc 3, the proper air disc 3 and the sealing gasket are selected according to the diameter of the flange of the safety valve, and the left and right adjusting clamping columns 22 and the upper and lower adjusting pressure discs 21 are adjusted to be at proper positions. Clamping force is provided by an oil pump, calibration is started, and pressure in the safety valve is read by a pressure gauge 61 on a calibration control box 6.

The particular features, structures, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A portable clamping mechanism, comprising a beam and a platen assembly and an air plate thereon, wherein:

2. The portable clamping mechanism of claim 1 wherein said platen assemblies are two in number and are located on either side of said air platen; the pressure plate assembly comprises a clamping column and a pressure plate for pressing the safety valve, wherein:

3. The portable clamping mechanism of claim 2 wherein said snap post has external threads extending along the length thereof on the outer wall thereof, and said snap post is threaded through and threadably engaged with said pressure plate to adjust the vertical height of said pressure plate when said pressure plate is rotated.

4. The portable clamping mechanism as claimed in claim 2, wherein the cross beam has sliding grooves arranged along the extending direction thereof, and the sliding grooves are correspondingly distributed on both sides of the air disc;

5. The portable clamping mechanism as claimed in claim 4, wherein the sliding slot is an open slot penetrating the upper and lower end surfaces of the beam, the sliding portion is an I-shaped slider structure, and the upper and lower horizontal sections of the I-shaped slider structure respectively clamp the beam by the upper and lower end edges of the sliding slot.

6. The portable clamping mechanism of claim 2, wherein said pressure plate is disc-shaped, and/or said gas plate is disc-shaped.

7. The portable clamping mechanism as claimed in claim 1 or 2, wherein an air inlet hole is formed in a side wall of the air disk, the air disk comprises an inlet flange for clamping the safety valve, an air outlet hole in the inlet flange is communicated with the air inlet hole, and the air inlet hole is communicated with an air outlet pipe of the verification control box.

8. The portable clamping mechanism as claimed in claim 1 or 2, wherein a fixing hole is formed in the center of the cross beam, the driving device is fixedly arranged in the fixing hole, and the telescopic end of the driving device is fixed to the lower portion of the air disc; the driving device is an oil cylinder or an air cylinder.

9. The portable clamping mechanism as claimed in claim 1 or 2, wherein there are legs at both ends of the beam, said legs being of inverted V shape for supporting the beam.

10. A safety valve detector is characterized by comprising a check control box and the portable clamping mechanism of any one of claims 1 to 9, wherein the check control box and the portable clamping mechanism are of a split structure, an air inlet connector of the check control box is connected with an air source through an air inlet pipe, and an air outlet connector of the check control box is communicated with the air passage in the air disc through the air outlet pipe.