CN221123684U - Flange type pressure equipment measuring and clamping mechanism - Google Patents

Abstract

The utility model discloses a flange type pressure equipment measuring and clamping mechanism which comprises an upper disc and a lower disc, wherein a plurality of sliding grooves are formed in the upper disc in the circumferential direction, a plurality of gradually-opened grooves are formed in the lower disc in the circumferential direction, the number of the sliding grooves is identical to that of the gradually-opened grooves, and clamping jaws are connected in the sliding grooves and the gradually-opened grooves in a sliding manner. An upper round hole is formed in the upper disc, and a pressure equipment mounting table is arranged in the upper round hole; the lower round hole is formed in the lower disc, the lifting mechanism is arranged in the lower round hole, and the output end of the lifting mechanism is matched with the mounting table. Through setting up involute structure and the spout of mutually supporting for the clamping jaw can be simultaneously in opposite directions or reverse movement. Therefore, the detection device has an automatic centering function, and the detected instrument can be positioned after being placed in the verification disc. And by arranging the lifting device, the tested equipment can be further clamped, so that the sealing requirement in the detection process is ensured.

Description

Flange type pressure equipment measuring and clamping mechanism

Technical Field

The utility model relates to the technical field of clamping mechanisms, in particular to a flange type pressure gauge and a transmitter measuring clamping mechanism.

Background

With the continuous increase of the chemical industry, automation meters are used in a large quantity. The chemical industry is characterized by more corrosive media, so that a large number of diaphragms, flange type pressure gauges and transmitters are used by various chemical enterprises.

In the past, in the verification process, verification personnel self-disposes the flange, and adopts a method of fastening 4 screws by using a spanner to carry out installation verification, the installation time is far longer than the verification time, the safety coefficient and the sealing effect are relatively poor, and great extra labor intensity is added to verification work.

Disclosure of utility model

The utility model aims to provide a flange type pressure equipment measuring clamping mechanism so as to solve the problem of rapid detection of flange type pressure equipment.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the flange type pressure equipment measuring and clamping mechanism comprises an upper disc and a lower disc, wherein a plurality of sliding grooves are formed in the upper disc in the circumferential direction, a plurality of gradually-opened grooves are formed in the lower disc in the circumferential direction, the number of the sliding grooves is consistent with that of the gradually-opened grooves, and clamping jaws are connected in the sliding grooves and the gradually-opened grooves in a sliding manner;

An upper round hole is formed in the upper disc, and a pressure equipment mounting table is arranged in the upper round hole; the lower round hole is formed in the lower disc, the lifting mechanism is arranged in the lower round hole, and the output end of the lifting mechanism is matched with the mounting table.

Preferably, the upper disc is embedded and installed on the upper surface of the test box body.

Preferably, the number of the sliding grooves and the gradually-opened grooves is three.

Preferably, the device further comprises a gear motor, a gear is arranged at the output end of the gear motor, insections are arranged on the side wall of the lower disc, and the insections are meshed with the gear.

Preferably, an air charging hole is arranged in the mounting table.

Preferably, the lifting mechanism is a lifting oil cylinder.

Preferably, the clamping jaw comprises a vertical rod, a clamping head and an involute sliding block, wherein the clamping head is arranged on the side wall of the upper end of the vertical rod and is used for being matched with a chassis of the pressure equipment; the vertical rod is connected to the chute in a sliding way; the involute sliding block is arranged on the lower side wall of the vertical rod and is connected with the involute in a sliding manner.

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

Through setting up involute structure and the spout of mutually supporting for the clamping jaw can be simultaneously in opposite directions or reverse movement. Therefore, the detection device has an automatic centering function, and the detected instrument can be positioned after being placed in the verification disc. The assembly time of the verification process is greatly saved, and the safety coefficient is higher.

And by arranging the lifting device, the tested equipment can be further clamped, so that the sealing requirement in the detection process is ensured.

Drawings

Fig. 1 is a schematic diagram of a structure of a clamping mechanism before clamping.

Fig. 2 is a schematic structural diagram of the clamping mechanism of the present utility model during clamping.

Fig. 3 is a schematic view of the upper disc structure of the present utility model.

Fig. 4 is a schematic view of the lower disc structure of the present utility model.

Fig. 5 is a schematic view of a clamping jaw structure according to the present utility model.

1. An upper disc; 2. a lower disc; 3. a chute; 4. gradually slotting; 5. a clamping jaw; 51. a vertical rod; 52. a chuck; 53. involute sliding block; 6. a gear; 7. tooth patterns; 8. a round hole is formed on the upper surface; 9. a lower round hole; 10. a pressure device mounting table; 11. and (5) lifting the oil cylinder.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a flange formula pressure equipment measures clamping machine constructs, includes disc 1 and lower disc 2, disc 1 embedding is installed in the upper surface of test box, is unable movable, and other equipment sets up in the inside of test box. The upper disc 1 is provided with a plurality of sliding grooves 3 in the circumferential direction, the lower disc 2 is provided with a plurality of gradually-opened grooves 4 in the circumferential direction, the sliding grooves 3 and the gradually-opened grooves 4 are consistent in number, and preferably, the sliding grooves 3 and the gradually-opened grooves 4 are three in number. The sliding grooves 3 and the involute grooves 4 are connected with clamping jaws 5 in a sliding mode, and all the clamping jaws 5 can move inwards or outwards in the sliding grooves 3. Because the arrangement mode of the gradually-opened groove 4 on the lower disc 2 is shown in fig. 4, only the lower disc 2 is required to be rotated, and when the clamping jaw 5 moves in the gradually-opened groove 4, all the clamping jaws 5 can move oppositely or reversely simultaneously through the limiting effect of the sliding groove 3.

An upper round hole 8 is formed in the upper disc 1, a pressure equipment mounting table 10 is mounted in the upper round hole 8, and a flange type pressure gauge or a transmitter is placed on the upper round hole when the pressure equipment mounting table is used. By replacing different connecting components in the mounting table 10 and connecting the air charging hole with the tested equipment, flange type pressure gauges and transmitters with different specifications can be detected respectively. The air charging hole is communicated with external pressure increasing/reducing equipment, and meanwhile, the equipment is provided with electric control fine adjustment, so that the pressure can be finely adjusted, and the pressure increasing/reducing equipment can be randomly arranged within 12MPa of prepressing.

The lower circular hole 9 is formed in the lower disc 2, a lifting mechanism is arranged in the lower circular hole 9, and is preferably a lifting oil cylinder 11, and the output end of the lifting oil cylinder 11 is matched with the mounting table 10. An air charging hole is arranged in the mounting table 10. Meanwhile, the lifting mechanism can also be a lifting screw driven by a motor, so long as the movement in the up-and-down direction can be realized.

In order to enable the lower disc 2 to rotate, the device further comprises a gear motor, a gear 6 is arranged at the output end of the gear motor, insection 7 is arranged on the side wall of the lower disc 2, and the insection 7 is meshed with the gear 6. When the gear motor is started, the lower disc 2 can be driven to rotate, so that the clamping jaw 5 is driven to slide in the involute groove 4.

The clamping jaw 5 comprises a vertical rod 51, a clamping head 52 and an involute sliding block 53, and the clamping head 52 is arranged on the side wall of the upper end of the vertical rod 51 and is used for being matched with a chassis of pressure equipment; the vertical rod 51 is connected to the chute 3 in a sliding manner; the involute sliding block 53 is installed on the lower side wall of the vertical rod 51, and the involute sliding block 53 is slidably connected to the involute groove 4.

Working principle: when in use, the flange type pressure gauge or the transmitter is firstly placed on the pressure equipment mounting table 10, and is communicated with the inflation hole by using a connecting device according to the tested equipment.

Firstly, a gear motor is started to drive the lower disc 2 to rotate, all clamping jaws 5 can move in opposite directions simultaneously due to the limiting effect of the sliding groove 3, a measured piece is clamped in advance, and at the moment, the lifting oil cylinder 11 is started to enable the flange plate of the measured piece to be clamped by the clamping head 52, so that the measured piece can be guaranteed to be in a stable state during detection.

Meanwhile, the requirements for the flange type pressure gauge or the transmitter to be measured are as follows:

Pressure application scope: (0-4) MPa

The flange application scope is as follows: DN25-DN100

Flange diameter application scope: phi 110 mm-phi 220mm

The application range of the flange thickness is as follows: 10mm-50mm

External dimensions: 620mm x 600mm x 940mm

Weight: about 60kg

At the moment, the external pressure increasing and reducing equipment can perform normal pressure increasing or reducing operation on the pressure meter or the transmitter to rapidly judge whether the pressure meter has a problem or not.

When the detection is finished, only the output end of the lifting oil cylinder 11 is required to move downwards, and the lower disc 2 is rotated to enable all clamping jaws 5 to move reversely.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 (7)

1. The utility model provides a flange formula pressure equipment measures clamping mechanism which characterized in that: the novel sliding disc comprises an upper disc (1) and a lower disc (2), wherein a plurality of sliding grooves (3) are formed in the upper disc (1) in the circumferential direction, a plurality of gradually-opened grooves (4) are formed in the lower disc (2) in the circumferential direction, the sliding grooves (3) are consistent with the gradually-opened grooves (4) in number, and clamping jaws (5) are connected in the sliding grooves (3) and the gradually-opened grooves (4) in a sliding manner;

An upper round hole (8) is formed in the upper disc (1), and a pressure equipment mounting table (10) is arranged in the upper round hole (8); the lower round hole (9) is formed in the lower disc (2), a lifting mechanism is arranged in the lower round hole (9), and the output end of the lifting mechanism is matched with the mounting table (10).

2. The flange-type pressure equipment measuring clamping mechanism of claim 1, wherein: the upper disc (1) is embedded and arranged on the upper surface of the test box body.

3. The flange-type pressure equipment measuring clamping mechanism of claim 1, wherein: the number of the sliding grooves (3) and the number of the gradually-opened grooves (4) are three.

4. The flange-type pressure equipment measuring clamping mechanism of claim 1, wherein: the novel gear box is characterized by further comprising a gear motor, a gear (6) is arranged at the output end of the gear motor, insections (7) are arranged on the side wall of the lower disc (2), and the insections (7) are meshed with the gear (6).

5. The flange-type pressure equipment measuring clamping mechanism of claim 1, wherein: an air charging hole is arranged in the mounting table (10).

6. The flange-type pressure equipment measuring clamping mechanism of claim 1, wherein: the lifting mechanism is a lifting oil cylinder (11).

7. The flange-type pressure equipment measuring clamping mechanism of claim 1, wherein: the clamping jaw (5) comprises a vertical rod (51), a clamping head (52) and an involute sliding block (53), wherein the clamping head (52) is arranged on the side wall of the upper end of the vertical rod (51) and is used for being matched with a chassis of pressure equipment; the vertical rod (51) is connected with the chute (3) in a sliding way; the involute sliding block (53) is arranged on the lower side wall of the vertical rod (51), and the involute sliding block (53) is connected with the involute (4) in a sliding mode.