CN219152766U

CN219152766U - Quick dismantling device for membrane shell end cover

Info

Publication number: CN219152766U
Application number: CN202222534873.3U
Authority: CN
Inventors: 李金龙
Original assignee: Suzhou Lojing Environment Technology Co ltd
Current assignee: Suzhou Lojing Environment Technology Co ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-06-09
Anticipated expiration: 2032-09-23

Abstract

The utility model provides a quick dismantling device for a membrane shell end cover, which is applied to a pressure container, wherein the pressure container comprises a shell and an end cover, and is characterized in that the dismantling device comprises a body, a slot penetrating through two sides of the body is formed in the body, a supporting rod is arranged in the slot, one side of the body is detachably connected with the end cover, a base plate is sleeved outside the body, one side of the base plate abuts against an opening end of the shell, the other side of the base plate abuts against one side of the supporting rod, a screw rod extending into the slot is arranged on the other side of the body, and the extending end of the screw rod abuts against the other side of the supporting rod. The screw propulsion force is applied to the support rod to reversely pull out the end cover, and the screw propulsion force is always ensured to be vertical to the end cover, so that the end cover and the shell are ensured to be removed without damage; meanwhile, the backing plate is in contact with the opening end of the shell, so that the stress is uniform, and the damage rate of the pressure container is reduced.

Description

Quick dismantling device for membrane shell end cover

Technical Field

The utility model relates to a disassembly technology of a pressure container in the field of water purification, in particular to a device for quickly disassembling a membrane shell end cover.

Background

In the water treatment industry, a large number of membrane elements such as microfiltration membranes, ultrafiltration membranes, reverse osmosis membranes and the like are used. For a membrane system with higher operating pressure, the membrane element and the pressure vessel adopt a split type structure, and when the membrane element is filled or replaced, only the membrane element needs to be replaced, and the pressure vessel can be reused. Most pressure vessels adopt a split structure of a shell and an end cover, and are connected into a whole through a sealing ring, a baffle plate, an end cover screw and the like, and the shell and the end cover are tightly connected.

The current disassembly method of the pressure vessel is as follows: the screw on the end cover is detached by a manual or electric screwdriver, the drawing chain is installed on the detaching screw hole of the end cover through the screw, and the end cover is detached by manpower. However, this method has the following disadvantages:

(1) The chain is pulled forward, the acting force is concentrated on a plurality of screw holes, and screw hole sliding wire failure is easy to cause;

(2) In the disassembly process, the tension of each screw hole is inconsistent, so that local stress is overlarge, and the end cover is easily damaged due to uneven stress;

(3) The manual or semi-automatic chain pulling is needed, the manual or semi-automatic chain pulling is troublesome, the force is not excessive, the disassembly is time-consuming and labor-consuming, and the disassembly efficiency is low.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide a device for quickly removing a membrane shell end cap, which is used for solving the problems of equipment damage and low removal efficiency caused by forward drawing removal in the prior art.

In order to achieve the above and other related objects, the utility model provides a quick dismantling device for a membrane shell end cover, which is applied to a pressure vessel, the pressure vessel comprises a shell and an end cover, the dismantling device comprises a body, a slot penetrating through two sides of the body is formed in the body, a supporting rod is arranged in the slot, one side of the body is detachably connected with the end cover, a base plate is sleeved outside the body, one side of the base plate is propped against an opening end of the shell, the other side of the base plate is propped against one side of the supporting rod, a screw rod stretching into the slot is arranged on the other side of the body, and the stretching end of the screw rod is propped against the other side of the supporting rod.

In an embodiment of the utility model, the body can move along the screw direction relative to the support rod through the slot.

In an embodiment of the utility model, the body includes a cap peak and a column portion, the cap peak is detachably connected with the end cover, and the slot is disposed in the column portion.

In an embodiment of the present utility model, the body and the end cover are detachably connected through matched bolts and screw holes.

In an embodiment of the utility model, the cap peak is provided with a first screw hole, the end cover is provided with a matched second screw hole, and the body and the end cover are simultaneously locked into the first screw hole and the second screw hole through bolts to realize connection.

In an embodiment of the utility model, the pad is annular, the inner diameter of the pad is larger than the outer diameter of the columnar portion, and the outer diameter of the pad is larger than the outer diameter of the opening end of the housing.

In an embodiment of the utility model, the length of the supporting rod is greater than the outer diameter of the backing plate, and two ends of the supporting rod respectively prop against two ends of the backing plate.

In an embodiment of the utility model, the support rod is a square rod, and the slot is a matched rectangular slot.

In an embodiment of the utility model, a connecting block is arranged at the outer end part of the screw rod.

As described above, the quick dismantling device for the membrane shell end cover has the following beneficial effects:

1. the screw propulsion force is applied to the support rod to reversely pull out the end cover, and the screw propulsion force is always ensured to be vertical to the end cover, so that the end cover and the shell are ensured to be removed without damage;

2. the backing plate is in contact with the opening end of the shell, so that the stress is uniform, and the damage rate of the pressure container is reduced;

3. the pistol drill is adopted to drive the screw rod, so that the disassembly efficiency is improved, the standardized operation is realized, the technical requirements on operators are reduced, and the labor intensity of the operators is reduced.

Drawings

Fig. 1 is a schematic view showing the construction of a demolition apparatus disclosed in an embodiment of the utility model.

Fig. 2 shows a schematic front view of a demolition arrangement as disclosed in an embodiment of the utility model.

Description of element reference numerals

1-a body; 11-slotting; 12-cap peak; 13-columnar portions; 2-supporting rods; 3-backing plate; 4-a screw; 41-connecting blocks; 5-bolts.

Detailed Description

Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.

Please refer to fig. 1-2. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the utility model, are not intended to be critical to the essential characteristics of the utility model, but are intended to fall within the spirit and scope of the utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.

Referring to fig. 1 and 2, the present utility model provides a quick dismantling device for a membrane shell end cover, which is applied to a pressure vessel for installing a membrane element, wherein the pressure vessel comprises a shell and an end cover, and the dismantling device is used for nondestructively dismantling the end cover from the shell. The dismantling device comprises a body 1, a groove 11 penetrating through two sides of the body 1 is formed in the body 1, a supporting rod 2 is arranged in the groove 11, the supporting rod 2 can slide in the groove 11 along the dismantling direction, one side of the body 1 is detachably connected with an end cover, a base plate 3 is sleeved outside the body 1, one side of the base plate 3 abuts against the opening end of the shell, the other side of the base plate 3 abuts against one side of the supporting rod 2, a screw 4 extending into the groove 11 is arranged on the other side of the body 1, and the extending end of the screw 4 abuts against the other side of the supporting rod 2.

The working principle of the utility model is as follows: when the pressure vessel needs to be disassembled, the body 1 is connected to the end cover, the supporting rod 2 indirectly abuts against the opening end of the shell through the base plate 3, the screw 4 is rotated to press the supporting rod 2, the supporting rod 2 receives force towards the end cover, but the side of the supporting rod 2 abuts against the supporting rod, so that the body 1 receives reverse propelling force, at the moment, the body 1 moves reversely through the grooves 11, namely, the body 1 moves along the direction of the screw 4 relative to the supporting rod 2, and then the body 1 pulls out the end cover connected with the body.

Wherein, the force-exerting position of bracing piece 2 is in its both sides, can disperse the force well through setting up backing plate 3, avoids bracing piece 2 to damage the casing. Further, in order to increase the contact area between the support rod 2 and the backing plate 3, the support rod 2 is a square rod, preferably a square hollow rod, and the slot 11 is a matched rectangular slot.

Further, the body 1 comprises a cap peak 12 and a column portion 13, the cap peak 12 is detachably connected with the end cover, the slot 11 is arranged on the column portion 13, and the screw 4 extends into the slot 11 through a screw hole in the center of the end portion of the column portion 13. The screw 4 is vertically inserted into the slot 11 in the cylindrical portion 13, ensuring that the pushing or pulling force is perpendicular to the end cap. The backing plate 3 is preferably provided in a circular ring shape, the inner diameter of the backing plate 3 is larger than the outer diameter of the columnar portion 13, and the outer diameter of the backing plate 3 is larger than the outer diameter of the opening end of the housing, so that the backing plate 3 completely covers the opening end of the housing, and the pressure received by the support rod 2 is better converted to the body 1. Preferably, the length of the supporting rod 2 is greater than the outer diameter of the backing plate 3, and two ends of the supporting rod 2 respectively abut against two ends of the backing plate 3.

The body 1 and the end cover can be detachably connected in a clamping manner, a threaded connection manner, a bolt 5 connection manner and the like, and in the embodiment, the body 1 and the end cover are detachably connected through the matched bolt 5 and a screw hole. Specifically, the cap peak 12 of the body 1 is provided with a first screw hole, the end cover is provided with a matched second screw hole, and the body 1 and the end cover are simultaneously locked into the first screw hole and the second screw hole through bolts 5 to realize connection; the body 1 and the end cover can be separated by detaching the bolt 5.

To achieve motorized disassembly for efficiency, a connection block 41 is provided at the outer end of the screw 4. The connecting block 41 is of an outer hexagonal shape, so that the connecting block 41 is convenient to connect with a pistol drill, and the screw 4 is pushed through the pistol drill.

The application steps of the utility model are as follows:

s1, dismantling a fixing bolt of an end cover by using an electric screwdriver, and taking out a card (or a clamp spring);

s2, aligning the first screw hole of the body with the second screw hole of the end cover, and installing a bolt to enable the body to be fixedly connected with the end cover;

s3, sleeving a backing plate on the periphery of the body;

s4, the screw rod is withdrawn outwards by a distance of one supporting rod, and then the supporting rod is inserted into the slot;

s5, connecting a connecting block at the outer end of the screw rod by using a hand gun drill, and pushing the screw rod at a low speed to pull out the end cover and the body from the shell together;

s6, taking out the support rod and the backing plate, and disassembling the bolts between the body and the end cover to finish the disassembly of the end cover.

In summary, the utility model adopts the thrust of the screw to act on the supporting rod to reversely pull out the end cover, and always ensures that the thrust of the screw is vertical to the end cover, thereby ensuring the nondestructive dismantling of the end cover and the shell; meanwhile, the backing plate is in contact with the opening end of the shell, so that the stress is uniform, and the damage rate of the pressure container is reduced. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims

1. The utility model provides a device is demolishd fast to membrane shell end cover, demolish the device and be applied to pressure vessel, pressure vessel includes casing and end cover, its characterized in that, demolish the device and include the body, set up the fluting that runs through body both sides side on the body, be equipped with the bracing piece in the fluting, one side and the end cover detachably of body are connected, the body overcoat is equipped with the backing plate, one side of backing plate offsets with the open end of casing, the opposite side of backing plate offsets with one side of bracing piece, the screw rod that stretches into in the fluting is installed to the opposite side of body, the end that stretches into of screw rod offsets with the opposite side of bracing piece.

2. The quick release device of claim 1, wherein the body is movable in a screw direction relative to the support rod through the slot.

3. The quick release device of claim 1, wherein the body comprises a cap peak and a post, the cap peak is detachably connected to the end cap, and the slot is formed in the post.

4. A quick release device for a membrane shell end cap according to claim 3, wherein the body and the end cap are detachably connected by means of cooperating bolts and screw holes.

5. The quick release device of claim 4, wherein the cap peak is provided with a first screw hole, the end cover is provided with a second screw hole, and the body and the end cover are connected by simultaneously locking the first screw hole and the second screw hole through bolts.

6. A device for rapidly removing an end cap of a membrane shell according to claim 3, wherein the backing plate is annular, the inner diameter of the backing plate is larger than the outer diameter of the columnar portion, and the outer diameter of the backing plate is larger than the outer diameter of the open end of the shell.

7. The quick release device of claim 6, wherein the support rod has a length greater than the outer diameter of the backing plate, and the support rod has two ends that respectively abut against the two ends of the backing plate.

8. The quick release device of claim 1, wherein the support bar is a square bar and the slot is a mating rectangular slot.

9. The quick dismantling device for the membrane shell end cover according to claim 1, wherein a connecting block is arranged at the outer end part of the screw rod.