Hydraulic drive valve element locking and dismounting device

Abstract

The invention discloses a hydraulically-driven valve element locking and dismounting device, belongs to the technical field of diaphragm pump assembling tools, and particularly relates to a quick locking and dismounting device for a diaphragm pump fluid end valve element. The hydraulic drive valve element locking and dismounting device is convenient to use, reduces the labor intensity and improves the working efficiency. The device comprises a frame and is characterized in that a horizontal moving tray is arranged at the bottom in the frame, and a positioning groove matched with a valve element is formed in the horizontal moving tray; a lifting adjusting support is arranged at the top of the frame, a clamping groove is formed in the middle of the lifting adjusting support, a limiting plate is correspondingly arranged above the clamping groove, a locking mechanism matched with the upper end of the valve element is arranged on the limiting plate, and a power head matched with the locking mechanism is arranged above the locking mechanism.

Description

Technical Field

[0001] The invention belongs to the technical field of diaphragm pump assembly tools, and in particular relates to a diaphragm pump hydraulic end valve core quick locking and disassembly device. Background Art

[0002] The diaphragm pump is a special type of pump. Its working principle is mainly based on the reciprocating motion of the diaphragm pump to transport the medium. This continuous reciprocating motion guides the medium to be inhaled and discharged to complete the medium transportation work. The role of the one-way valve subassembly is particularly important in completing the entire action. The characteristics of this subassembly make the flowing medium only flow in along the feed port and flow out of the discharge port, which plays a check role and completes the periodic action. The valve core is assembled from a valve cone, a valve nut, and a valve rubber. During the assembly process, the control requirements for the installation position, torque size, compression amount, etc. of each component are very strict. The original device structure has problems such as cumbersome operation, low versatility, and repeated work in use, which cannot better meet the needs of on-site use. Summary of the invention

[0003] The present invention aims at solving the above problems and provides a hydraulic drive valve core locking and disassembly device which is easy to use, reduces labor intensity and improves work efficiency.

[0004] In order to achieve the above-mentioned purpose of the present invention, the present invention adopts the following technical scheme, which includes a frame, characterized in that: a horizontally movable tray is arranged at the bottom of the frame, and a positioning groove cooperating with the valve core is arranged on the horizontally movable tray; a lifting and adjusting bracket is arranged at the top of the frame, a card slot is arranged in the middle of the lifting and adjusting bracket, and a limit plate is arranged above the card slot, and a locking mechanism cooperating with the upper end of the valve core is arranged on the limit plate, and a power head cooperating with the locking mechanism is arranged above the locking mechanism.

[0005] As a preferred solution of the present invention, the locking mechanism includes a locking sleeve whose lower end cooperates with the valve core and a locking nut whose upper end cooperates with the power head. A hexagonal joint is provided at the upper end of the locking sleeve, and the locking nut cooperates with the hexagonal joint. A power joint that cooperates with the power head is provided at the upper end of the locking nut.

[0006] As a third preferred embodiment of the present invention, the frame includes a bottom plate and two side plates, the side plates are provided with vertically arranged height adjustment holes, the lifting adjustment bracket includes a lifting plate, and both ends of the lifting plate are provided with height adjustment screws that cooperate with the height adjustment holes; the limit plate is arranged on the two vertical plates of the lifting plate, and the two vertical plates are also provided with vertically arranged height adjustment holes, and the limit plate is also connected to the two vertical plates through the height adjustment screws and the height adjustment holes.

[0007] Furthermore, guide grooves are arranged opposite to each other at the lower ends of the two side plates, and the guide rails on both sides of the horizontally movable tray cooperate with the guide grooves; and sliding bearings supporting the horizontally movable tray are arranged in the guide grooves.

[0008] Furthermore, a limiting screw cooperating with the horizontally movable tray is arranged on the outer side of the guide groove.

[0009] Furthermore, the bottom plate is arranged below the guide groove; and casters are arranged on the outer side of the horizontally movable tray.

[0010] Furthermore, positioning pins are provided between the bottom plate and the horizontally movable tray.

[0011] As a fifth preferred embodiment of the present invention, a push rod of a power head is arranged above the lifting and adjusting bracket.

[0012] Furthermore, the push rod includes a sleeve connected to the lifting and adjusting bracket, a spring and a slide rod are arranged in the sleeve, a vertical groove is arranged on the sleeve, and a pressing screw connected to the slide rod is arranged in the vertical groove.

[0013] Beneficial effects of the present invention: 1. The present invention has many advantages such as safe operation, convenient use, and single-person independent operation, and can be widely used in the disassembly and assembly of various types of valve cores of diaphragm pumps at home and abroad. It meets product needs and can effectively assist in the professional disassembly, assembly and replacement of diaphragm pump spare parts, improve the accuracy of parts, and enhance product reliability.

[0014] 2. When using this device for locking and disassembly, the product quality and accuracy can be effectively controlled, and the stability and service life of the product can be enhanced.

[0015] 3. This device reduces the time of repeated lifting and closing of the gland on the original structure, improves work efficiency by about 3 times, and effectively reduces labor.

[0016] 4. The welding process is simple, easy to operate and use, and occupies little space.

[0017] 5. Shorten the maintenance cycle and provide strong support for the serial design of diaphragm pumps.

[0018] 6. Strong versatility, reducing repeated design and commissioning of equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the present invention.

[0020] Figure 2 It is a schematic diagram of the matching structure of the guide groove of the horizontally movable pallet and the frame.

[0021] Figure 3 It is a structural diagram of the locking mechanism.

[0022] Figure 4 It is a structural schematic diagram of a price increase adjustment bracket.

[0023] Figure 5 It is a schematic diagram of the structure of the top rod.

[0024] In the attached drawings, 1 is a lifting and adjusting bracket, 2 is a push rod, 3 is a limit screw, 4 is a horizontal moving tray, 5 is a positioning pin, 6 is a locking mechanism, 7 is a power head, 8 is a guide rail, 9 is a guide groove, 10 is a sliding bearing, 11 is a caster, 14 is a reducing sleeve, 15 is a locking nut, 16 is a limit nut, 17 is a locking sleeve, 18 is a limit plate, 19 is a vertical plate, 20 is a side plate, 21 is a sliding rod, 22 is a sleeve, 23 is a pressing screw, 24 is a spring, and 25 is a valve core. DETAILED DESCRIPTION

[0025] The present invention includes a frame, which is characterized in that: a horizontally movable tray 4 is arranged at the bottom of the frame, and a positioning groove cooperating with the valve core 25 is arranged on the horizontally movable tray 4; a lifting and adjusting bracket 1 is arranged at the top of the frame, and a card slot is arranged in the middle of the lifting and adjusting bracket 1, and a limit plate 18 is arranged above the card slot, and a locking mechanism 6 cooperating with the upper end of the valve core 25 is arranged on the limit plate 18, and a power head 7 cooperating with the locking mechanism 6 is arranged above the locking mechanism 6.

[0026] As a preferred solution of the present invention, the locking mechanism 6 includes a locking sleeve 17 whose lower end cooperates with the valve core 25 and a locking nut 15 whose upper end cooperates with the power head 7. A hexagonal joint is provided at the upper end of the locking sleeve 17, and the locking nut 15 cooperates with the hexagonal joint. A power joint that cooperates with the power head 7 is provided at the upper end of the locking nut 15.

[0027] A reducing sleeve 14 and a limiting nut 16 are also provided outside the locking nut 15 .

[0028] As a third preferred embodiment of the present invention, the frame includes a bottom plate and two side plates 20, the side plates 20 are provided with vertically arranged height adjustment holes, the lifting adjustment bracket 1 includes a lifting plate, and height adjustment screws matching the height adjustment holes are provided at both ends of the lifting plate; the limit plate 18 is arranged on two vertical plates 19 on the lifting plate, and the two vertical plates 19 are also provided with vertically arranged height adjustment holes, and the limit plate 18 is also connected to the two vertical plates 19 through the height adjustment screws and the height adjustment holes.

[0029] Furthermore, guide grooves 9 are oppositely arranged at the lower ends of the two side plates 20 , and the guide rails 8 on both sides of the horizontally movable tray 4 cooperate with the guide grooves 9 ; and sliding bearings 10 supporting the horizontally movable tray 4 are arranged in the guide grooves 9 .

[0030] Furthermore, a limiting screw 3 cooperating with the horizontally movable tray 4 is arranged on the outer side of the guide groove 9 .

[0031] Furthermore, the bottom plate is arranged below the guide groove 9 ; and casters 11 are arranged on the outer side of the horizontally movable tray 4 .

[0032] Furthermore, positioning pins 5 are provided between the bottom plate and the horizontally movable tray 4 .

[0033] As a fifth preferred embodiment of the present invention, a push rod 2 of a power head 7 is arranged above the lifting and adjusting bracket 1 .

[0034] Furthermore, the push rod 2 includes a sleeve 22 connected to the lifting and adjusting bracket 1, a spring 24 and a slide bar 21 are arranged in the sleeve 22, a vertical groove is arranged on the sleeve 22, and a pressing screw 23 connected to the slide bar 21 is arranged in the vertical groove.

[0035] When locking: 1. Prepare the pre-tightened valve core 25 first, and install the locking sleeve 17 on the valve nut wrench.

[0036] 2. Prepare the power head 7 and the hydraulic station, install the power head 7 on the locking nut 15, and close it.

[0037] 3. Pull out the horizontal moving tray 4, lift the pre-tightening valve core 25 to the slot position inside the horizontal moving tray 4, and push the horizontal moving tray 4 into the limit position.

[0038] 4. Turn on the hydraulic station switch and start working.

[0039] 5. When the required torque is reached, turn off the hydraulic station switch, press down the slide rod 21, slightly adjust the direction of the power head 7, and pull out the sliding mechanism to the limit position.

[0040] 6. Lift out the installed valve core 25 to the designated position, replace the next one, and repeat the above steps.

[0041] The power head 7 is a standard product that can be purchased from the market.

[0042] When disassembling: When disassembling, the hydraulic station controls the rotation direction of the power head 7, and the remaining operating steps are the same as locking.

[0043] It can be understood that the above specific description of the present invention is only used to illustrate the present invention and is not limited to the technical solutions described in the embodiments of the present invention. Those skilled in the art should understand that the present invention can still be modified or replaced by equivalents to achieve the same technical effects; as long as the use requirements are met, they are within the protection scope of the present invention.

Claims

1. A hydraulically driven valve core locking and disassembly device, comprising a frame, characterized in that: A horizontal movable tray (4) is arranged at the bottom of the frame, and a positioning groove cooperating with the valve core (25) is arranged on the horizontal movable tray (4); a lifting and lowering adjustment bracket (1) is arranged at the top of the frame, and a clamping groove is arranged in the middle of the lifting and lowering adjustment bracket (1), and a limit plate (18) is arranged above the clamping groove, and a locking mechanism (6) cooperating with the upper end of the valve core (25) is arranged on the limit plate (18), and a power head (7) cooperating with the locking mechanism (6) is arranged above the locking mechanism (6).

2. The hydraulically driven valve core locking and disassembly device according to claim 1 is characterized in that: The locking mechanism (6) comprises a locking sleeve (17) whose lower end cooperates with the valve core (25) and a locking nut (15) whose upper end cooperates with the power head (7); a hexagonal joint is arranged at the upper end of the locking sleeve (17); the locking nut (15) cooperates with the hexagonal joint; and a power joint that cooperates with the power head (7) is arranged at the upper end of the locking nut (15).

3. The hydraulically driven valve core locking and disassembly device according to claim 1 is characterized in that: The frame comprises a bottom plate and two side plates (20), the side plates (20) being provided with vertically arranged height adjustment holes, the lifting adjustment bracket (1) comprising a lifting plate, both ends of which are provided with height adjustment screws matching with the height adjustment holes; the limit plate (18) is arranged on two vertical plates (19) on the lifting plate, the two vertical plates (19) are also provided with vertically arranged height adjustment holes, and the limit plate (18) is also connected to the two vertical plates (19) via the height adjustment screws and the height adjustment holes.

4. The hydraulically driven valve core locking and disassembly device according to claim 3 is characterized in that: Guide grooves (9) are arranged opposite to each other at the lower ends of the two side plates (20), and the guide rails (8) on both sides of the horizontal movable tray (4) cooperate with the guide grooves (9); and sliding bearings (10) supporting the horizontal movable tray (4) are arranged in the guide grooves (9).

5. The hydraulically driven valve core locking and disassembly device according to claim 4 is characterized in that: A limiting screw (3) cooperating with the horizontally movable tray (4) is arranged on the outside of the guide groove (9).

6. The hydraulically driven valve core locking and disassembly device according to claim 5, characterized in that: The bottom plate is arranged below the guide groove (9); casters (11) are arranged on the outside of the horizontal movable tray (4).

7. The hydraulically driven valve core locking and disassembly device according to claim 6, characterized in that: A positioning pin (5) is provided between the bottom plate and the horizontally movable tray (4).

8. The hydraulically driven valve core locking and disassembly device according to claim 1, characterized in that: A push rod (2) of a power head (7) is arranged above the lifting and adjusting bracket (1).

9. The hydraulically driven valve core locking and disassembly device according to claim 8, characterized in that: The push rod (2) comprises a sleeve (22) connected to the lifting and adjusting bracket (1), a spring (24) and a slide rod (21) are arranged in the sleeve (22), a vertical groove is arranged on the sleeve (22), and a pressing screw (23) connected to the slide rod (21) is arranged in the vertical groove.

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