Foldable shield for coupling of long shaft pump

Abstract

The utility model relates to a foldable shield for a long shaft pump coupler. The foldable shield comprises a bottom plate, a return fixing block, a clockwork spring mechanism, a supporting frame and a telescopic shield body. The return fixing block is fixed on the bottom plate, a cavity is formed in the return fixing block, a positioning hole is formed in the return fixing block, the clockwork spring mechanism is installed in the cavity of the return fixing block, the supporting frames and the clockwork spring mechanism are connected in a rotatable connection mode, the supporting frames penetrate through the positioning hole of the return fixing block, and the supporting frames comprise the left supporting frame and the right supporting frame. The left sleeve and the right sleeve are each provided with a telescopic protective cover, and the telescopic protective covers are detachably installed on the supporting frame. The utility model solves the problem that the long-shaft pump coupler shield is fastened by bolts and cannot be easily disassembled and maintained, avoids the conditions that the long-shaft pump coupler is difficult to disassemble and tedious to assemble and disassemble when being maintained by field staff, ensures that the disassembly process of the long-shaft pump coupler shield is safe, simple and efficient, and can be applied to projects required by the long-shaft pump coupler shield.

Description

TECHNICAL FIELD

[0001] The utility model relates to a foldable shield, concretely relates to a foldable shield for long shaft pump coupling with simple structure, convenient installation, lower cost and high reliability. BACKGROUND

[0002] When conveying large flow and high pressure liquid in working condition environment such as chemical steel production line and offshore oil platform, multi-stage centrifugal pump is usually adopted.

[0003] When daily maintaining and installing long shaft pump coupling, the long shaft pump coupling shield needs to be disassembled or assembled, and since the conventional shield is fixed by bolt and nut, it is extremely inconvenient to disassemble during daily installation and maintenance, and the shield direction and shield hole are misaligned and cannot be aligned and fixed smoothly. SUMMARY

[0004] In view of the above problems, the main purpose of the utility model is to provide a foldable shield for long shaft pump coupling with simple structure, convenient installation, lower cost and high reliability.

[0005] The utility model discloses a foldable shield for long shaft pump coupling, which comprises a bottom plate, a reset fixing block, a clockwork spring mechanism, a support frame and a telescopic shield.

[0006] In the embodiment of the utility model, the bottom of the support frame is in the shape of a "T", and the left and right ends of the "T" shaped structure penetrate into the inside of the clockwork spring mechanism.

[0007] In the embodiment of the utility model, the two ends of the "T" shaped structure are provided with clamping grooves, the clockwork spring mechanism comprises a clockwork spring body in the shape of a circle and a flat plate part inside the clockwork spring body, and the flat plate part is clamped into the clamping groove of the support frame.

[0008] In the embodiment of the utility model, the reset fixing block is fixed on the bottom plate by screw connection or welding.

[0009] In the embodiment of the utility model, the two side edges of the telescopic shield are provided with holes through which the support frame penetrates.

[0010] The utility model discloses a positive progress effect lies in: the utility model provides a collapsible shield for long shaft pump coupling compared with common similar technology, when needing to dismount the shield, through the collapsible shield along the support rod sliding, make the folding shield slide to the support rod bottom, rotate the support rod to open the coupling shield, and vice versa complete closure. The utility model solves the problem that long shaft pump coupling shield is fastened with bolt, cannot easily dismount and maintain, avoids the situation that the on -the -spot staff maintains long shaft pump coupling and is difficult to dismount and the loading and unloading are complicated, makes long shaft pump coupling shield dismounting process safety, simple, high -efficient, can be applied to long shaft pump coupling shield required engineering. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the bottom plate structure schematic diagram in the utility model.

[0012] Figure 2 It is the structure schematic diagram of return fixed block in the utility model.

[0013] Figure 3 It is the structure schematic diagram of clockwork spring mechanism in the utility model.

[0014] Figure 4 It is the structure schematic diagram of support frame in the utility model.

[0015] Figure 5 It is the structure schematic diagram of telescopic shield in the utility model.

[0016] Figure 6 It is the explosion drawing of the utility model.

[0017] Figure 7 It is the structure schematic diagram of the utility model assembly after completion.

[0018] Figure 8 It is the structure schematic diagram of return fixed block, support frame and telescopic shield combination.

[0019] Figure 9 It is the structure schematic diagram of clockwork spring mechanism and support frame combination.

[0020] The following is the name corresponding to the mark in the utility model:

[0021] Bottom plate 1, return fixed block 2, clockwork spring mechanism 3, support frame 4, telescopic shield 5, cavity 201, positioning hole 202, clamping groove 401, clockwork spring body 301, flat plate part 302, hole 501. DETAILED DESCRIPTION

[0022] The utility model discloses a positive progress effect lies in: the utility model provides a collapsible shield for long shaft pump coupling compared with common similar technology, when needing to dismount the shield, through the collapsible shield along the support rod sliding, make the folding shield slide to the support rod bottom, rotate the support rod to open the coupling shield, and vice versa complete closure. The utility model solves the problem that long shaft pump coupling shield is fastened with bolt, cannot easily dismount and maintain, avoids the situation that the on -the -spot staff maintains long shaft pump coupling and is difficult to dismount and the loading and unloading are complicated, makes long shaft pump coupling shield dismounting process safety, simple, high -efficient, can be applied to long shaft pump coupling shield required engineering.

[0023] Figure 1 It is a bottom plate structure schematic view of the utility model, Figure 2 It is a structure schematic view of the utility model's reset fixed block, Figure 3 It is a structure schematic view of the utility model's clockwork spring mechanism, Figure 4 It is a structure schematic view of the utility model's support frame, Figure 5 It is a structure schematic view of the utility model's telescopic shield, Figure 6 It is the utility model's explosion view, Figure 7 It is the structure schematic view of the utility model's assembly completion, as Figures 1-7 The utility model discloses a foldable shield for long shaft pump coupling, including: bottom plate 1, reset fixed block 2, clockwork spring mechanism 3, support frame 4, telescopic shield 5, reset fixed block 2 is fixed on bottom plate 1, and reset fixed block 2 is empty cavity inside, and clockwork spring mechanism 3 is installed in the empty cavity of reset fixed block 2, and support frame 4 and clockwork spring mechanism 3 are connected in rotatable connection mode, and support frame 4 includes left and right two sets, and left and right two sets are installed with telescopic shield 5 respectively, and telescopic shield 5 is detachably installed on support frame 4, reset fixed block 2 in the utility model adopts the mode of screw connection or welding and is fixed on bottom plate 1.

[0024] Figure 8 It is the structure schematic view of reset fixed block, support frame and telescopic shield joint, Figure 9 It is the structure schematic view of clockwork spring mechanism and support frame joint, as Figure 9 The bottom of support frame 4 in the utility model is " T " shape, and the left and right ends of " T " shape structure are inserted into the inside of clockwork spring mechanism 3, and the both ends of " T " shape structure are provided with clamping slot 401, and clockwork spring mechanism 3 includes circle-shaped clockwork spring body 301 and flat plate part 302 in circle-shaped clockwork spring body, and flat plate part 302 is clamped into the clamping slot 401 of support frame 4, and the both sides of telescopic shield 5 are provided with hole 501 through which support frame 4 passes, and when disassembling, left and right telescopic shield 5 is taken out from support frame 4 respectively.

[0025] The bottom plate and reset fixed block cooperate in the utility model, and the positioning and fixed support frame are played while rotating support frame, and the rotatable support frame between support frame and clockwork spring mechanism realizes the purpose of quick opening and closing coupling shield, and the sliding between telescopic shield and support frame opens or closes coupling shield, so that the quick disassembly and assembly of long shaft pump coupling shield are facilitated.

[0026] When needing to disassemble the shield, the foldable shield is slid along the support rod, so that the foldable shield slides to the bottom of the support rod, and the support rod is rotated, so that the opening of the coupling shield is completed, and vice versa, the closing is completed.

[0027] The utility model discloses solve the problem that long -shaft pump coupling guard shield is fastened with bolt, cannot easily dismount maintenance, avoid the on -the -spot staff when maintaining long -shaft pump coupling difficult to dismount and the situation of complicated loading and unloading, make long -shaft pump coupling guard shield dismounting process safety, simple, efficient, can be applied to long -shaft pump coupling guard shield required engineering.

[0028] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, various changes and improvements can be made to the utility model. These changes and improvements all fall within the scope of the claimed utility model, and the scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A foldable shield for a long-axis pump coupling, characterized in that: The foldable shield for the long-axis pump coupling includes: a base plate, a return fixing block, a clockwork spring mechanism, a support frame, and a telescopic shield; the return fixing block is fixed on the base plate, the interior of the return fixing block is a cavity, a positioning hole is provided on the return fixing block, the clockwork spring mechanism is installed in the cavity of the return fixing block, the support frame and the clockwork spring mechanism are connected in a rotatable manner, the support frame passes through the positioning hole of the return fixing block, the support frame includes two left and right sets, the left and right sets are respectively equipped with telescopic shields, and the telescopic shields are detachably installed on the support frame.

2. The foldable shield for a long-axis pump coupling according to claim 1, characterized in that: The bottom of the support frame is in a "T" shape, and the left and right ends of the "T" structure penetrate into the interior of the clockwork spring mechanism.

3. The foldable shield for a long-axis pump coupling according to claim 2, characterized in that: Both ends of the "T"-shaped structure are provided with a card slot. The spring mechanism includes a circular spring body and a flat plate portion located inside the circular spring body. The flat plate portion is inserted into the card slot of the support frame.

4. The foldable shield for a long-axis pump coupling according to claim 1, characterized in that: The return fixing block is fixed to the base plate by screw connection or welding.

5. The foldable shield for a long-axis pump coupling according to claim 1, characterized in that: Both sides of the telescopic shield are provided with holes through which the support frame passes.

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