CN216309331U

CN216309331U - High wear-resisting knife gate's leakproofness detection device

Info

Publication number: CN216309331U
Application number: CN202122572127.9U
Authority: CN
Inventors: 杨前辉; 张旭云; 王飞飞
Original assignee: Hangzhou Zedian Machinery Co ltd
Current assignee: Hangzhou Zedian Machinery Co ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-04-15
Anticipated expiration: 2031-10-25

Abstract

The utility model relates to the technical field of valve detection, and discloses a tightness detection device of a high-wear-resistance knife gate valve, which comprises an installation base, wherein a rubber sealing ring is arranged on the installation base, an installation mechanism comprises a butt joint tenon block, the upper surface of the installation base is provided with a butt joint tenon groove matched with the butt joint tenon block, a built-in cavity is arranged in the installation base, a clamping rod is connected in the built-in cavity in a sliding mode, the left end of the clamping rod penetrates into the butt joint tenon groove and is connected with the inner wall of the installation base in a sliding mode, and the outer surface of the butt joint tenon block is provided with a clamping groove. This high wear-resisting knife gate valve's leakproofness detection device through being provided with installation mechanism, can install the rubber seal of different diameters fast like this for this rubber seal is applicable to the knife gate valve of different internal diameters, has avoided the condition that knife gate valve appears leaking gas when carrying out the leakproofness detection like this, has ensured knife gate valve leakproofness detection effect, has improved the stability that leakproofness detection device detected time measuring.

Description

High wear-resisting knife gate's leakproofness detection device

Technical Field

The utility model relates to the technical field of valve detection, in particular to a device for detecting the sealing property of a high-wear-resistance knife gate valve.

Background

Knife gate valve is also known as knife gate valve, and knife gate valve uses comparatively extensively, from coal dressing, the waste rock of mine power plant, row's sediment, has developed the sewage treatment in city, and knife gate valve its self leakproofness is the key of following knife gate valve result of use in the use, therefore knife gate valve need detect the holistic leakproofness of knife gate valve before dispatching from the factory, so can adopt leakproofness detection device, current public technology for example: CN213022185U discloses a valve detection device for detecting the tightness of a valve, which utilizes a pump to pump negative pressure to the valve to detect the tightness of the valve, but this solution has certain disadvantages: the valve need coincide with detecting the groove at the in-process of placing, just can make the inside negative pressure that forms of valve, but the model knife gate valve internal diameter that the valve is different in the testing process is also different, will cause the knife gate valve like this and detect and form certain gap between the groove, the condition of leaking gas appears when carrying out the leakproofness detection at the knife gate valve like this, has influenced knife gate valve leakproofness detection effect, has reduced the stability that leakproofness detection device detected time measuring, does not possess fine practicality.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the tightness detection device of the high-wear-resistance knife gate valve, which solves the problems that the inner diameters of knife gate valves of different models are different, so that a certain gap is formed between the knife gate valve and a detection groove, and the air leakage condition is generated when the tightness of the knife gate valve is detected, the tightness detection effect of the knife gate valve is influenced, the stability of the tightness detection device during detection is reduced, and the high-wear-resistance knife gate valve does not have good practicability.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the device for detecting the sealing performance of the high-wear-resistance knife gate valve comprises an installation base, wherein the upper surface of the installation base is fixedly connected with a bearing platform, the upper surface of the bearing platform is fixedly connected with an electric push rod, the movable end of the electric push rod penetrates through a transverse plate of the bearing platform and is in sliding connection with the transverse plate of the bearing platform, the movable end of the electric push rod is fixedly connected with a pressing plate, the lower surface of the installation base is provided with a gas tightness detection mechanism, and the upper surface of the installation base is provided with a rubber sealing ring;

installation mechanism, including the butt joint tenon piece, butt joint tenon piece fixed connection is at rubber seal's lower surface, the upper surface of installation base set up with the butt joint tongue-and-groove of butt joint tenon piece looks adaptation, set up built-in cavity in the installation base, sliding connection has the left end to run through into in the butt joint tongue-and-groove and with installation base inner wall sliding connection's joint pole, set up the joint groove with joint pole looks adaptation on the butt joint tenon piece surface.

Preferably, the lower section of the tenon block is M-shaped.

Preferably, one end of the clamping rod, which is positioned in the built-in cavity, is fixedly connected with a driving rack which is in sliding connection with the bottom wall of the built-in cavity, and the left surface of the driving rack is fixedly connected with a tension spring which is movably sleeved on the clamping rod and the other end of the tension spring is fixedly connected to the inner wall of the built-in cavity.

Preferably, one side surface of the tenon block facing the clamping rod is provided with an inclined surface.

Preferably, the rear inner wall of the built-in cavity is rotatably connected with a driven gear meshed with the driving rack, the upper surface of the mounting base is provided with a pulling block, the lower end of the pulling block is fixedly connected with a pull rod, the lower end of the pull rod penetrates through the built-in cavity and is connected with the inner wall of the mounting base in a sliding mode, and one side surface of the pull rod, facing the driven gear, is fixedly connected with teeth meshed with the driven gear.

Preferably, the upper surface of installation base has seted up two respectively all with the communicating mounting groove of butt joint tongue-and-groove, rubber seal's lower surface respectively fixedly connected with two with the installation piece of two mounting groove looks adaptations.

(III) advantageous effects

Compared with the prior art, the utility model provides a device for detecting the sealing property of a high-wear-resistance knife gate valve, which has the following beneficial effects:

1. this high wear-resisting knife gate valve's leakproofness detection device through being provided with installation mechanism, can install the rubber seal of different diameters fast like this for this rubber seal is applicable to the knife gate valve of different internal diameters, has avoided the condition that knife gate valve appears leaking gas when carrying out the leakproofness detection like this, has ensured knife gate valve leakproofness detection effect, has improved the stability that leakproofness detection device detected time measuring, has further improved the device's application scope.

2. This high wear-resisting knife gate's leakproofness detection device sets up to the M word form through the downside with the butt joint tenon piece, has further increased the leakproofness between butt joint tenon piece and the butt joint tongue-and-groove through this kind of mode, has avoided appearing the gap between rubber seal and the installation base inner wall, has ensured the stability when tool setting gate valve leakproofness detects.

3. This high wear-resisting knife gate's leakproofness detection device through being provided with installation piece and mounting groove for rubber seal need align installation piece and mounting groove earlier before the installation, further ensured the precision when joint pole docks with the joint groove like this, reach the effect of preventing slow-witted when making rubber seal dock, reduced the operation degree of difficulty when staff installs rubber seal.

Drawings

FIG. 1 is a schematic structural view of a device for detecting the sealing property of a high-wear-resistance knife gate valve according to the present invention;

FIG. 2 is a schematic view of the mounting base structure of the present invention;

FIG. 3 is a schematic cross-sectional view of the rubber sealing ring according to the present invention;

fig. 4 is a schematic structural view of a front plane of the mounting base of the present invention.

In the figure: the device comprises an installation base 1, a bearing table 2, an air tightness detection mechanism 3, an electric push rod 4, a pressing plate 5, a rubber sealing ring 6, a butt joint tenon block 7, a butt joint tenon groove 8, an installation groove 9, an installation block 10, a built-in cavity 11, a clamping rod 12, a clamping groove 13, a driving rack 14, a tension spring 15, a driven gear 16, a pull rod 17, a pull block 18 and teeth 19.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a tightness detection device of a high wear-resistant knife gate valve comprises an installation base 1, a bearing platform 2 is fixedly connected on the upper surface of the installation base 1, an electric push rod 4 is fixedly connected on the upper surface of the bearing platform 2, the movable end of the electric push rod 4 penetrates through a transverse plate of the bearing platform 2 and is in sliding connection with the transverse plate of the bearing platform 2, a pressing plate 5 is fixedly connected on the movable end of the electric push rod 4, meanwhile, the lower surface of the mounting base 1 is provided with an air tightness detecting mechanism 3, the air tightness detecting mechanism 3 is a known technology in the prior art CN213022185U and will not be described in detail herein, meanwhile, the air pipe of the air tightness detection mechanism 3 penetrates through the upper surface of the installation base 1, so that the knife gate valve is transversely placed on the installation base 1 and covers the air pipe of the air tightness detection mechanism 3, simultaneously electric putter 4 starts to make clamp plate 5 extrude the tool setting gate valve, can detect the tool setting gate valve leakproofness through gas tightness detection mechanism 3 like this.

Further, the rubber sealing ring 6 matched with the inner ring of the knife gate valve is arranged on the upper surface of the mounting base 1, and meanwhile, the axis of the rubber sealing ring 6 is located at the same position of the air pipe of the air tightness detection mechanism 3, so that when the knife gate valve is placed on the mounting base 1, the rubber sealing ring 6 is matched with the inner ring of the knife gate valve, the situation that air leaks when the tightness of the knife gate valve is detected is avoided, and the tightness detection effect of the knife gate valve is influenced.

Further fixedly connected with butt joint tenon piece 7 at rubber seal 6's lower surface, installation base 1's upper surface set up with the butt joint mortise 8 of butt joint tenon piece 7 looks adaptation, the downside cross-section of butt joint tenon piece 7 sets up to the M word form in this embodiment simultaneously, has further increased the leakproofness between butt joint tenon piece 7 and the butt joint mortise 8 through this kind of mode, has avoided appearing the gap between rubber seal 6 and the installation base 1 inner wall, has ensured the stability when tool setting gate valve leakproofness detects.

Further seted up built-in cavity 11 in installation base 1, sliding connection has the left end to run through into in the butt joint tongue-and-groove 8 and with installation base 1 inner wall sliding connection's joint pole 12 in built-in cavity 11, set up the joint groove 13 with joint pole 12 looks adaptation on 7 surfaces of butt joint tenon piece simultaneously, when joint pole 12 extends into in the joint groove 13, joint pole 12 forms the restriction effect to butt joint tenon piece 7, the condition of separation has been avoided appearing to butt joint tenon piece 7 and butt joint tongue-and-groove 8.

Furthermore, a driving rack 14 slidably connected to the bottom wall of the built-in chamber 11 is fixedly connected to one end of the clamping rod 12 located in the built-in chamber 11, a tension spring 15 movably sleeved on the clamping rod 12 and fixedly connected to the inner wall of the built-in chamber 11 is fixedly connected to the left side surface of the driving rack 14, so that the tension spring 15 makes the clamping rod 12 initially extend into the docking mortise 8, and in this embodiment, a side surface of the docking tenon 7 facing the clamping rod 12 is set to be an inclined surface, so that when the docking tenon 7 extends into the docking mortise 8, the inclined surface of the docking tenon 7 contacts with the clamping rod 12, and the clamping rod 12 gradually slides towards one side of the built-in chamber 11 during the downward displacement of the docking tenon 7, and the tension spring 15 is tensioned, so that when the docking tenon 7 completely extends into the docking mortise 8, the clamping rod 12 and the clamping groove 13 are at the same horizontal position, such that the tension spring 15 pulls the chuck bar 12 to extend into the chuck bar 12.

Further be connected with driven gear 16 with drive rack 14 meshing connection on the rear side inner wall of built-in chamber 11 in a rotating way, the upper surface of installation base 1 is provided with and draws piece 18, the lower fixed surface of drawing piece 18 is connected with the lower extreme and runs through into built-in chamber 11 and with installation base 1 inner wall sliding connection's pull rod 17, one side fixed surface that pull rod 17 faced driven gear 16 is connected with the tooth 19 with driven gear 16 meshing connection, consequently when pulling rod 17 upwards draws the side, driven gear 16 anticlockwise rotation has been driven in step, thereby make drive rack 14 pull joint rod 12 contract gradually into built-in chamber 11, consequently can dismantle rubber seal 6.

Further set up two respectively at the upper surface of installation base 1 and all with the communicating mounting groove 9 of butt joint tongue-and-groove 8, rubber seal 6's lower surface respectively two fixedly connected with the installation piece 10 of two mounting groove 9 looks adaptations, make rubber seal 6 need align installation piece 10 and mounting groove 9 earlier before the installation through this kind of mode, precision when joint pole 12 and joint groove 13 dock has further been ensured through this kind of mode, reach the effect of preventing slow-witted when making rubber seal 6 dock, the operation degree of difficulty when having reduced staff's installation rubber seal 6.

The working principle is as follows:

when the device for detecting the sealing performance of the high-wear-resistance knife gate valve is used, the butt joint tenon block 7 extends into the butt joint tenon groove 8, the inclined surface of the butt joint tenon block 7 is in contact with the clamping rod 12, the clamping rod 12 gradually slides towards one side in the built-in cavity 11 in the downward displacement process of the butt joint tenon block 7, meanwhile, the tension spring 15 is stressed to stretch, when the butt joint tenon block 7 completely extends into the butt joint tenon groove 8, the clamping rod 12 and the clamping groove 13 are in the same horizontal position, and therefore the tension spring 15 pulls the clamping rod 12 to extend into the clamping rod 12, and the rubber sealing ring 6 is fixed;

when the pull rod 17 is pulled upwards, the driven gear 16 is synchronously driven to rotate anticlockwise, so that the driving rack 14 pulls the clamping rod 12 to gradually contract into the built-in cavity 11, and the rubber sealing ring 6 can be detached.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a leakproofness detection device of high wear-resisting knife gate valve, including installation base (1), the last fixed surface of installation base (1) is connected with plummer (2), the last fixed surface of plummer (2) is connected with electric putter (4), the expansion end of electric putter (4) run through the diaphragm of plummer (2) and with plummer (2) diaphragm sliding connection, fixedly connected with clamp plate (5) are served in the activity of electric putter (4), the lower surface of installation base (1) is provided with gas tightness detection mechanism (3), its characterized in that: a rubber sealing ring (6) is arranged on the upper surface of the mounting base (1);

installation mechanism, including butt joint tenon piece (7), butt joint tenon piece (7) fixed connection is at the lower surface of rubber seal (6), butt joint tongue-and-groove (8) with butt joint tenon piece (7) looks adaptation are seted up to the upper surface of installation base (1), set up built-in cavity (11) in installation base (1), sliding connection has the left end to run through into in butt joint tongue-and-groove (8) and with installation base (1) inner wall sliding connection's joint pole (12) in built-in cavity (11), set up joint groove (13) with joint pole (12) looks adaptation on butt joint tenon piece (7) surface.

2. The device for detecting the sealing property of the high-abrasion knife gate valve according to claim 1, wherein: the lower side section of the butt joint tenon block (7) is arranged in an M shape.

3. The device for detecting the sealing property of the high-abrasion knife gate valve according to claim 1, wherein: one end of the clamping rod (12) located in the built-in cavity (11) is fixedly connected with a driving rack (14) in sliding connection with the bottom wall of the built-in cavity (11), and the left side surface of the driving rack (14) is fixedly connected with a tension spring (15) which is movably sleeved on the clamping rod (12) and the other end of which is fixedly connected to the inner wall of the built-in cavity (11).

4. The device for detecting the sealing property of the high-wear-resistance knife gate valve according to claim 3, wherein: the surface of one side of the butt joint tenon block (7) facing the clamping rod (12) is provided with an inclined surface.

5. The device for detecting the sealing property of the high-wear-resistance knife gate valve according to claim 3, wherein: the rear side inner wall of the built-in cavity (11) is rotatably connected with a driven gear (16) meshed and connected with the driving rack (14), the upper surface of the mounting base (1) is provided with a pulling block (18), the lower surface of the pulling block (18) is fixedly connected with a pull rod (17) of which the lower end penetrates through the built-in cavity (11) and is connected with the inner wall of the mounting base (1) in a sliding mode, and one side surface of the pull rod (17) facing the driven gear (16) is fixedly connected with teeth (19) meshed and connected with the driven gear (16).

6. The device for detecting the sealing property of the high-wear-resistance knife gate valve according to claim 3, wherein: two mounting grooves (9) which are communicated with the butt joint mortise (8) are respectively formed in the upper surface of the mounting base (1), and two mounting blocks (10) which are matched with the two mounting grooves (9) are fixedly connected to the lower surface of the rubber sealing ring (6) respectively.