JP2012132486A - Cover clamping device of pressure vessel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To securely swiftly detachably attach a cover to the opening of a pressure vessel.SOLUTION: A cover clamping device of a pressure vessel includes: pressure parts 2 for pressing the cover against the opening; and a cylinder part 6 for applying a pressing force to the pressure parts 2. In the cover clamping device, a pair of rods 3 and 3' for holding the pressure parts 2 is provided, the rods 3 and 3' are mutually rotatively supported in parallel to hold a plurality of pressure parts 2, and the cylinder part 6 rotates the rods 3 and 3' to apply the pressing force to each of the pressure parts 2.

Description

  The present invention relates to a lid clamping device for attaching a lid to an opening of a pressure vessel.

  The pressure vessel includes a pressure-resistant can barrel that accommodates the processed material and pressurizes, negatively and heats, an opening for taking out the processed material from the can, and a lid that closes the opening. The pressure vessel uses a clamp ring for sealing the opening and the lid (for example, see Patent Document 1). The opening and the lid are sealed by fastening the clamp ring with a fastening member such as a bolt or nut. In another method, the opening and the lid are directly fastened and sealed with a stud bolt and a nut (see, for example, Patent Document 2 and Patent Document 3).

  Therefore, if the fastening force of the fastening member by the operator is insufficient or the fastening force of the plurality of fastening members is uneven, pressure leakage may occur from the opening, and a desired processed product may not be manufactured. . In addition, the bolt fastening requires an operator's troublesome work and may require a work in a narrow place, so there is a disadvantage that the lid cannot be quickly attached and detached.

JP 11-218220 A JP-A-5-87243 JP-A-8-291862

  Therefore, the problem to be solved by the present invention is to provide a lid clamping device that can reliably and rapidly attach and detach the lid to the opening of the pressure vessel.

In order to solve the above-described problem, a lid clamping device for a pressure vessel according to the present invention includes:
A lid clamping device for attaching a lid to an opening of a pressure vessel,
A pressing portion for pressing the lid portion against the opening portion and a cylinder portion for applying a pressing force to the pressing portion are provided.

Preferably, it comprises a pair of rod parts for holding the pressing part,
Each rod part is rotatably supported in parallel with each other, and holds a plurality of pressing parts,
The cylinder portion rotates each rod portion to apply a pressing force to the pressing portion.

Preferably, comprising a frame portion for rotating and supporting the rod portion,
The frame part is inserted into the opening and fixed to the pressure vessel, provided on one side with one cylinder part, and on the other side with a link part that connects each rod part,
The link portion rotates the other rod portion in the reverse direction when one cylinder portion rotates one rod portion forward.

  As described above, the present invention includes a pressing portion for pressing the lid portion against the opening of the pressure vessel, and a cylinder portion for applying a pressing force to the pressing portion. Accordingly, a pressing force can be applied to the pressing portion by driving the cylinder portion, so that the lid portion can be reliably and rapidly attached to and removed from the opening portion.

The top view which shows the lid | cover clamp apparatus of this invention. The lid clamp apparatus is shown, (a) is the side view seen from one side, (b) is the side view seen from the other side. The side view which shows the state which attached the lid clamp apparatus to the pressure vessel.

  Hereinafter, based on an accompanying drawing, a lid clamp device concerning the present invention is explained.

  As shown in FIGS. 1 and 2, the lid clamping device 1 includes a frame portion 8 that is framed in a rectangular shape. The lid clamping device 1 includes a pair of rod portions 3 and 3 ′ provided in parallel to the inside of the frame portion 8. The rod portions 3 and 3 ′ are rotatably supported via bearing portions 5 provided on the frame portion 8. Each rod portion 3, 3 ′ includes a pair of support portions 4. The support portion 4 is fixed to the rod portions 3 and 3 ′, and rotates with the rotation of the rod portions 3 and 3 ′. The support part 4 includes a pressing part 2 at an end part. The pressing part 2 has a wheel shape and is rotatably supported by the support part 4.

  The lid clamping device 1 includes one hydraulic or electric cylinder portion 6 (FIG. 2A) on one side. The cylinder part 6 is rotatably supported via a rotating part 62 provided in the frame part 8. The cylinder portion 6 extends in a direction connecting the centers of the rod portions 3 and 3 ′ in order to make the lid clamping device 1 compact. The cylinder part 6 drives the cylinder rod 60 to extend and contract. The cylinder rod 60 rotatably supports the arm portion 61 at the end portion. The arm part 61 is fixed to one side of the rod part 3. Since the cylinder portion 6 is rotatable around the rotating portion 62, the rod portion 3 can be rotated in the forward and reverse directions via the arm portion 61 by the cylinder portion 6 extending and retracting the cylinder rod 60.

  The lid clamp device 1 includes one link portion 7 (FIG. 2B) on the other side. The link part 7 is provided with connecting parts 70 at both ends. Each rod portion 3, 3 ′ includes an arm portion 71 on the other side. The arm portion 71 is fixed to the other side of each rod portion 3, 3 ′. The connection part 70 and the arm part 71 are rotatably supported. The link portion 7 extends in a direction inclined at a predetermined angle θ so as to intersect a direction 3a connecting the central axes of the rod portions 3 and 3 '(FIG. 2 (b)). Accordingly, when the cylinder portion 6 rotates one rod portion 3 in the forward direction, the other rod portion 3 ′ rotates in the reverse direction. Similarly, when the cylinder portion 6 rotates the one rod portion 3 in the reverse direction, the other rod portion 3 'rotates in the forward direction. That is, each rod part 3, 3 'rotates in the opposite direction.

  As shown in FIG. 2, the lid clamp device 1 drives the cylinder portion 6 to move the pressing portion 2 to a lower position (release position, solid line in FIG. 2) and an upper position (clamp position, one-dot chain line in FIG. 2). Moving. The lid clamp device 1 includes two sensor fins 30 fixed to one rod portion 3, and a both-end detection sensor 31 for detecting each sensor fin 30 on the frame portion 8. And each position of the rod part 3 may be detected by detecting each sensor fin 30 with the both end detection sensors 31, and the lower position and the upper position of the pressing part 2 may be detected.

  As shown in FIG. 3, the lid clamping device 1 is fixed to the pressure vessel 10 via the connection frame 9. The pressure vessel 10 includes a pressure-resistant can barrel 13 that accommodates a processed material and applies pressure and negative pressure. The pressure vessel 10 includes a butterfly valve portion 14 at the lower portion of the can body 13 and opens the butterfly valve portion 14 so that a processed product can be collected. The pressure vessel 10 includes an opening 12 below the butterfly valve portion 14. The opening 12 includes a flange portion 12a protruding in the circumferential direction. The opening 12 seals the pressure vessel 10 by being closed by the lid 11. The lid portion 11 includes a flange portion 11a protruding in the circumferential direction. The opening portion 12 of the pressure vessel 10 is sealed with the lid portion 11 because the flange portion 11a of the lid portion 11 and the flange portion 12a of the opening portion 12 are in close contact with each other.

  The lid clamping device 1 is arranged with the opening 12 inserted inside the frame portion 8. In the lid clamping device 1, the lid portion 11 is disposed in the opening portion 12 in a state where the pressing portion 2 is disposed at the lower position (release position). In addition, since the press part 2 is located away from the cover part 11 when it exists in a downward position, the cover part 11 can be arrange | positioned in the opening part 12. FIG. And the lid clamp apparatus 1 drives the cylinder part 6, and moves the press part 2 to an upper position (clamp position). Thereby, the pressing part 2 presses the flange part 11a of the cover part 11 (the chain line in FIG. 1), and the flange part 11a of the cover part 11 comes into close contact with the flange part 12a of the opening part 12 with a predetermined pressing force. As a result, the opening 12 of the pressure vessel 10 is sealed with the lid 11.

  Since the pressing force acts on the pressing portion 2 by the rotational force of the rod portion 3, the lid clamp device 1 can be made compact and a strong torque force can be applied. Further, since the pair of rod portions 3 and 3 ′ are rotated by the single cylinder portion 6 via the link portion 7, an equal pressing force can be applied to each pressing portion 2.

  In addition to the above-described embodiment, the pressing force may be applied by moving the pressing portion 2 without the rod portion 3 by extending and contracting the cylinder rod 60 of the cylinder portion 6. A plurality of cylinder parts 6 may be installed.

DESCRIPTION OF SYMBOLS 1 Cover clamp apparatus 2 Press part 3, 3 'Rod part 6 Cylinder part 7 Link part 8 Frame part 10 Pressure vessel 11 Cover part 12 Opening part

Claims (3)

A lid clamping device for attaching a lid to an opening of a pressure vessel,
A pressure vessel lid clamp device comprising: a pressing portion for pressing the lid portion against the opening; and a cylinder portion for applying a pressing force to the pressing portion. A pair of rod portions for holding the pressing portion;
The rod portions are rotatably supported in parallel with each other, and hold a plurality of the pressing portions,
2. The pressure vessel lid clamping device according to claim 1, wherein the cylinder portion rotates each rod portion to apply a pressing force to the pressing portion. A frame portion for rotatably supporting the rod portion;
The frame portion is fixed to the pressure vessel through the opening, and includes one cylinder portion on one side, and a link portion that connects the rod portions on the other side,
3. The pressure vessel lid clamping device according to claim 2, wherein when the one cylinder portion rotates one of the rod portions in the forward direction, the link portion rotates the other rod portion in a reverse direction. .

Images