Supporting and positioning device for valve maintenance

Abstract

The invention provides a valve maintenance supporting and positioning device which comprises a base, a screw rod is movably arranged at the top of the base through an adjusting mechanism, a supporting and limiting mechanism is arranged at the top end of the screw rod and comprises a supporting rod, and the supporting rod is installed at the top of the screw rod in a threaded connection mode. A valve body is supported and mounted at the top end of the supporting rod through a supporting groove, and the supporting groove is formed in the top end of the supporting rod. Through rotation adjustment of a screw rod, a supporting rod can drive a fixing box, a first limiting frame and a second limiting frame to move upwards at the same time, the middle position and the two ends of a valve body are supported, and the valve body extrudes an inner sliding rod; and the inner sliding rod and the connecting rod drive the first limiting frame and the second limiting frame to extrude the valve body, so that the stability between the device and the valve body is improved, the valve body is conveniently supported and positioned, operation is easy and convenient, and the maintenance efficiency of the valve body can be improved.

Description

Technical Field

[0001] The present invention relates to the technical field of valve maintenance, in particular to a valve maintenance support and positioning device. Background Art

[0002] The Chinese utility model patent with announcement number CN216991619U proposes a support and positioning device for valve maintenance, which includes a base plate, support members passing through the inner sides of the base plate, and base columns are connected to the left and right sides of the top of the base plate by bolts. Slots are provided on both sides of the inner wall of the base column, and the inner side of the base column is slidably connected to the inner column; through the arrangement of a ball seat, a ball head rod, a placement plate, a docking plate, an adjustment plate, a threaded sleeve and a screw, when the top of the placement plate contacts the bottom of the valve, the placement plate can support the valve.

[0003] The above technical solution requires adjustment of the placement plates on both sides during use, and rotation adjustment of the docking plate and the adjustment plate in order to support and fix both ends of the valve. The operation is relatively complicated, which reduces the efficiency of valve maintenance.

[0004] To this end, the present invention provides a valve maintenance support and positioning device. Summary of the Invention

[0005] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a valve maintenance support and positioning device to solve the problems raised in the above-mentioned background technology. The present invention adjusts the rotation of the screw so that the support rod can drive the fixed box, the first limit frame and the second limit frame to move upward at the same time, supporting the middle position and both ends of the valve body, and the valve body squeezes the inner sliding rod, so that the inner sliding rod and the connecting rod drive the first limit frame and the second limit frame to squeeze the valve body, thereby improving the stability between the device and the valve body, thereby facilitating the support and positioning of the valve body, and the operation is simple and convenient, which can improve the maintenance efficiency of the valve body.

[0006] The top end face of said sliding arm is fixedly provided with a toothed connecting strip which is cooperatively connected with said toothed connecting strip, and the toothed connecting strip is connected with said toothed connecting strip to form a bottom surface.

[0007] Furthermore, the bottom end of the inner sliding rod is square in shape, an inner spring is fixedly provided between the bottom end of the inner sliding rod and the support rod, and a rubber pad is fixedly provided on the inner wall of the support groove.

[0008] Furthermore, a mounting groove is provided inside the top end of the support rod at a position corresponding to the inner slide rod, the inner spring is fixedly installed inside the mounting groove, and one end of the connecting rods on both sides are movably connected between the bottom ends of the pivot inner slide rods.

[0009] Furthermore, the front view shape of the first limiting frame and the second limiting frame is "Z"-shaped, the top ends of the first limiting frame and the second limiting frame are provided with a clamping groove, and the top ends of the clamping grooves are provided with a pin hole inside.

[0010] Furthermore, the limiting mechanism includes a limiting slide groove, which is opened inside the front end of the support rod, and a slider is slidably installed inside the limiting slide groove.

[0011] Furthermore, a third limiting frame is fixedly installed on the outer side of the sliding block. The shape of the third limiting frame is "U"-shaped, and both ends of the third limiting frame are arranged on the outer sides of the first limiting frame and the second limiting frame.

[0012] Furthermore, an external spring is fixedly installed between the bottom end of the slider and the inner bottom of the limiting sliding groove, and the third limiting frame is fitted on the outer side of the support rod.

[0013] Furthermore, the adjustment mechanism includes fixed seats, which are symmetrically fixed on both sides of the top of the base, and movable blocks are movably installed between the fixed seats via a rotating rod.

[0014] Furthermore, the screw is rotationally limited and installed on the top of the movable block, the rotating rod is symmetrically fixedly installed on both sides of the bottom end of the movable block, and the rotating rod is rotationally limited and installed on the fixed seats on both sides.

[0015] Furthermore, a worm wheel is fixedly mounted on the rotating rod on the left side, a worm is mounted on the bottom of the worm wheel for meshing and rotation, a hand wheel is fixedly mounted on the outside of the base at the front end of the worm, and universal wheels are fixedly mounted at the four corners of the bottom of the base.

[0016] Beneficial effects of the present invention: A valve maintenance support and positioning device of the present invention includes a base, a universal wheel, a fixed seat, a movable block, a screw, a support rod, a fixed box, a valve body, a first limit frame, a second limit frame, an elastic rubber pad, a pin hole, a limit slide groove, an outer spring, a third limit frame, an adjustment mechanism, a worm gear, a worm, an inner slide rod, an inner spring, a connecting rod, and a support groove.

[0017] 1. The valve maintenance support and positioning device enables the support rod to drive the fixed box, the first limit frame and the second limit frame to move upward at the same time through the rotation adjustment of the screw rod, thereby supporting the middle position and both ends of the valve body, and the valve body squeezes the inner sliding rod, so that the inner sliding rod and the connecting rod drive the first limit frame and the second limit frame to squeeze the valve body. By opening pin holes in the first limit frame and the second limit frame and installing pins in the pin holes, the two ends of the valve body can be fixed, which can improve the stability of the valve body and the first limit frame and the second limit frame, thereby improving the stability between the device and the valve body, thereby facilitating the support and positioning of the valve body, and the operation is simple and convenient, which can improve the maintenance efficiency of the valve body.

[0018] 2. The valve maintenance support positioning device can limit the third limit frame through the set limit slide groove, slider and external spring, so that the two ends of the third limit frame can block the two sides of the first limit frame and the second limit frame, which is convenient for limiting the first limit frame and the second limit frame, preventing the first limit frame and the second limit frame from sliding to both sides, and facilitating the improvement of the stability of the first limit frame, the second limit frame and the valve body.

[0019] 3. The valve maintenance support and positioning device can rotate the rotating rod and the movable block through a hand wheel, a worm, a worm gear, etc. The movable block drives the support rod, the first limit frame, the second limit frame and other support and limiting mechanisms to rotate to one side through the screw, thereby moving the valve body out from between the pipes on both sides and lowering the height of the valve body to facilitate maintenance of the valve body; and it is convenient to adjust the valve body to its original position, so as to facilitate installation between the valve body and the pipes on both sides. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1This is a structural diagram of a valve maintenance support and positioning device of the present invention;

[0021] Figure 2 This is a front cross-sectional view of a valve maintenance support and positioning device of the present invention;

[0022] Figure 3 A valve maintenance support positioning device of the present invention Figure 2 Enlarged view of point A in the middle;

[0023] Figure 4 This is a structural diagram of a support and limiting mechanism of a valve maintenance support and positioning device of the present invention;

[0024] Figure 5 This is a cross-sectional view of a support and limiting mechanism of a valve maintenance support and positioning device of the present invention;

[0025] Figure 6 This is a structural diagram of the first limit frame of a valve maintenance support and positioning device of the present invention;

[0026] In the figure: 1. Base; 2. Universal wheel; 3. Fixed seat; 4. Movable block; 5. Screw; 6. Support rod; 7. Fixed box; 8. Valve body; 9. First limit frame; 10. Second limit frame; 11. Elastic rubber pad; 12. Pin hole; 13. Limit slide; 14. Outer spring; 15. Third limit frame; 16. Adjustment mechanism; 17. Worm gear; 18. Worm; 19. Inner slide; 20. Inner spring; 21. Connecting rod; 22. Support groove. DETAILED DESCRIPTION

[0027] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0028] See also Figures 1 to 6The present invention provides a technical solution: a valve maintenance support and positioning device, comprising a base 1, a screw rod 5 is movably provided on the top of the base 1 through an adjustment mechanism 16, a support and limiting mechanism is provided on the top of the screw rod 5, and the support and limiting mechanism comprises a support rod 6, the support rod 6 is screwed and installed on the top of the screw rod 5, and the top of the support rod 6 is supported and installed with a valve body 8 through a support groove 22, the support groove 22 is opened inside the top of the support rod 6, and fixed boxes 7 are symmetrically fixed on both sides of the top of the support rod 6, and the interior of the fixed box 7 on both sides is respectively limited by a first limiting frame 9 and a second limiting frame 10, and the internal limit of the top of the support rod 6 An inner slide rod 19 is slidably installed, and the bottom ends of the inner slide rod 19 are movably connected to the bottom ends of the first limit frame 9 and the second limit frame 10 on both sides through connecting rods 21. Elastic rubber pads 11 are fixedly provided on the side walls of the top ends of the first limit frame 9 and the second limit frame 10. A limiting mechanism is provided on the front side of the support rod 6. By rotating and adjusting the screw 5, the height of the support limiting mechanism can be conveniently adjusted, so that the support rod 6, the first limit frame 9 and the second limit frame 10 can be clamped on the outside of the valve body 8, which is convenient for supporting the valve body 8 and improving the stability of the valve body 8. The operation is simple and convenient, and it is convenient for the subsequent rapid disassembly and maintenance of the valve body 8.

[0029] In this embodiment, the bottom end of the inner slide rod 19 is square in shape, and an inner spring 20 is fixedly arranged between the bottom end of the inner slide rod 19 and the support rod 6. A rubber pad is fixedly arranged on the inner wall of the support groove 22. A mounting groove is provided inside the top end of the support rod 6 at the position corresponding to the inner slide rod 19. The inner spring 20 is fixedly installed inside the mounting groove, and one end of the connecting rod 21 on both sides is movably connected between the bottom ends of the pivot inner slide rod 19. The front view of the first limiting frame 9 and the second limiting frame 10 is in the shape of a "Z". A snap-in groove is provided at the top end of the first limiting frame 9 and the second limiting frame 10. The top end of the snap-in groove is provided inside There is a pin hole 12, and the top of the inner slide rod 19 contacts the bottom of the valve body 8, and as the support rod 6 rises, the inner slide rod 19 can be squeezed, and the inner slide rod 19 slides inside the mounting groove and compresses the inner spring 20. At the same time, the inner slide rod 19 pulls the first limit frame 9 and the second limit frame 10 closer to each other through the connecting rod 21, and the first limit frame 9 and the second limit frame 10 squeeze the valve body 8 through the elastic rubber pad 11, which is convenient for fixing the valve body 8. By installing a pin inside the pin hole 12, it is convenient to fix the first limit frame 9, the second limit frame 10 and the valve body 8, which can improve the stability of the valve body 8.

[0030] The third limit frame 15 is arranged on the outer side of the first limit frame 9 and the second limit frame 10, and the third limit frame 15 is fixedly installed between the bottom end of the slider and the inner bottom of the limit slot 13. The third limit frame 15 is fitted on the outer side of the support rod 6, and the third limit frame 15 can slide upward under the action of the outer spring 14 and the slider, and the two ends of the third limit frame 15 block the outer sides of the first limit frame 9 and the second limit frame 10, which is convenient for limiting the first limit frame 9 and the second limit frame 10, and can improve the stability of the first limit frame 9 and the second limit frame 10, and prevent the first limit frame 9 and the second limit frame 10 from sliding.

[0031] In this embodiment, the adjusting mechanism 16 includes a fixed seat 3, which is symmetrically fixed on both sides of the top of the base 1, and a movable block 4 is movably installed between the fixed seats 3 through a rotating rod. The screw 5 is limited and rotated on the top of the movable block 4, and the rotating rod is symmetrically fixed on both sides of the bottom end of the movable block 4. The rotating rod is limited and rotated inside the fixed seats 3 on both sides. A worm gear 17 is fixedly installed on the rotating rod on the left side, and a worm 18 is meshed and rotated at the bottom of the worm gear 17. The front end of the worm 18 is fixedly provided with a handwheel corresponding to the outer side of the base 1, and universal wheels 2 are fixedly installed at the four corners of the bottom of the base 1. The rotating rod and the movable block 4 can be rotated and adjusted by the handwheel, worm 18 and worm gear 17. The movable block 4 drives the support and limiting mechanism to rotate through the screw 5, which is convenient for removing the valve body 8 from between the pipes on both sides, and can also lower the height of the valve body 8, which is convenient for repairing the valve body 8 and resetting the valve body 8.

[0032] When using the valve maintenance support positioning device, the device is moved to the bottom of the valve body 8 that needs maintenance through the universal wheel 2. The universal wheel 2 is a universal wheel with a locking mechanism. The universal wheel 2 is locked and fixed, and the hand wheel is turned. The hand wheel drives the worm 18 to rotate, and the worm 18 engages and drives the worm wheel 17 to rotate, which is convenient for driving the movable block 4 to rotate through the rotating rod. The movable block 4 drives the support limit mechanism to rotate through the screw 5, and adjusts the support limit mechanism to the bottom of the valve body 8. Hold the support limit mechanism and rotate and adjust the screw 5. Through the screw connection between the screw 5 and the support rod 6, the support rod 6 can be adjusted to rise, and the support The support rod 6 drives the first limit frame 9 and the second limit frame 10 to rise and adjust through the fixed box 7. The support groove 22 at the top of the support rod 6 approaches the valve body 8, and the top of the inner slide rod 19 contacts the bottom of the valve body 8. As the support rod 6 rises, the valve body squeezes the inner slide rod 19, so that the inner slide rod 19 slides inside the installation groove and compresses the inner spring 20. At the same time, the bottom end of the inner slide rod 19 drives the connecting rod 21 to rotate through the axis, and the connecting rod 21 drives the bottom ends of the first limit frame 9 and the second limit frame 10 to slide inside the fixed box 7, so that the first limit frame 9 and the second limit frame 10 squeeze the valve body 8 from both sides. When the elastic rubber pad 11 is deformed, the stability between the first limit frame 9 and the second limit frame 10 can be improved, and the pin is fixedly installed inside the pin hole 12, which is convenient for fixing the top ends of the first limit frame 9 and the second limit frame 10, which can improve the stability between the first limit frame 9 and the second limit frame 10; before lifting and adjusting the support rod 6, the third limit frame 15 is slid downward on the outside of the support rod 6, and the third limit frame 15 drives the slider to slide inside the limiting slide groove 13 and compress the outer spring 14. After the first limit frame 9 and the second limit frame 10 move and adjust each other, the third limit frame 15 is released, and the third limit frame 15 is in a state of being pressed between the outer spring 14 and the slider And the limiting slide groove 13 slides upward, and its two ends block the two sides of the first limiting frame 9 and the second limiting frame 10, which is convenient for limiting the first limiting frame 9 and the second limiting frame 10, and can improve the stability between the support limiting mechanism and the valve body 8; the valve body 8 is disassembled, and the hand wheel, worm 18 and worm gear 17 are rotated. The worm gear 17 drives the movable block 4 to rotate between the fixed seats 3 on both sides through the rotating rod, which is convenient for driving the support limiting mechanism through the movable block 4 and the screw 5 to drive the valve body 8 to rotate to one side, thereby reducing the height of the valve body 8, facilitating its maintenance, and also facilitating the adjustment of the valve body 8 to its original position, and the operation is simple and convenient.

[0033] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, from all perspectives, the embodiments should be regarded as illustrative and non-restrictive. The scope of the present invention is defined by the appended claims, not the foregoing description, and it is intended that all variations that come within the meaning and range of equivalents of the claims be included within the present invention. Any reference signs in the claims should not be construed as limiting the claim to which they relate.

[0034] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A valve maintenance support and positioning device, comprising a base (1), characterized in that: The top of the base (1) is provided with a screw rod (5) movably through an adjusting mechanism (16), and the top of the screw rod (5) is provided with a support and limiting mechanism, and the support and limiting mechanism includes a support rod (6), and the support rod (6) is screwed and installed on the top of the screw rod (5), and the top of the support rod (6) is supported and installed with a valve body (8) through a support groove (22), and the support groove (22) is opened at the top of the support rod (6), and fixed boxes (7) are symmetrically fixed on both sides of the top of the support rod (6), and the two sides of the support rod (6) are fixed with fixed boxes (7). The interior of the fixed box (7) is respectively provided with a first limiting frame (9) and a second limiting frame (10), and the top end of the support rod (6) is provided with an inner sliding rod (19) for internal limiting sliding. The bottom ends of the inner sliding rod (19) are movably connected to the bottom ends of the first limiting frame (9) and the second limiting frame (10) through connecting rods (21). Elastic rubber pads (11) are fixedly provided on the side walls of the top ends of the first limiting frame (9) and the second limiting frame (10), and a limiting mechanism is provided on the front side of the support rod (6).

2. A valve maintenance support and positioning device according to claim 1, characterized in that: The bottom end of the inner slide rod (19) is square in shape, an inner spring (20) is fixedly provided between the bottom end of the inner slide rod (19) and the support rod (6), and a rubber pad is fixedly provided on the inner wall of the support groove (22).

3. A valve maintenance support and positioning device according to claim 2, characterized in that: A mounting groove is provided inside the top end of the support rod (6) at a position corresponding to the inner slide rod (19), and the inner spring (20) is fixedly installed inside the mounting groove. One end of the connecting rod (21) on both sides is movably connected to the bottom end of the pivot inner slide rod (19).

4. A valve maintenance support and positioning device according to claim 3, characterized in that: The front view of the first limiting frame (9) and the second limiting frame (10) is in a "Z" shape, and the top ends of the first limiting frame (9) and the second limiting frame (10) are provided with a clamping groove, and the top ends of the clamping grooves are provided with a pin hole (12) inside.

5. The valve maintenance support and positioning device according to claim 1, characterized in that: The limiting mechanism comprises a limiting slide groove (13), the limiting slide groove (13) is opened inside the front end of the support rod (6), and a slider is slidably installed inside the limiting slide groove (13).

6. A valve maintenance support and positioning device according to claim 5, characterized in that: A third limiting frame (15) is fixedly mounted on the outer side of the slider. The third limiting frame (15) is U-shaped, and both ends of the third limiting frame (15) are arranged on the outer sides of the first limiting frame (9) and the second limiting frame (10).

7. A valve maintenance support and positioning device according to claim 6, characterized in that: An outer spring (14) is fixedly installed between the bottom end of the slider and the inner bottom of the limiting sliding groove (13), and the third limiting frame (15) is arranged on the outer side of the support rod (6).

8. The valve maintenance support and positioning device according to claim 1, characterized in that: The adjustment mechanism (16) comprises a fixed seat (3), the fixed seat (3) being symmetrically fixedly mounted on both sides of the top of the base (1), and a movable block (4) being movably mounted between the fixed seats (3) via a rotating rod.

9. A valve maintenance support and positioning device according to claim 8, characterized in that: The screw rod (5) is mounted on the top of the movable block (4) for limited rotation, the rotating rod is symmetrically fixed on both sides of the bottom end of the movable block (4), and the rotating rod is mounted inside the fixed seats (3) on both sides for limited rotation.

10. A valve maintenance support and positioning device according to claim 9, characterized in that: A worm wheel (17) is fixedly mounted on the left rotating rod, a worm (18) is rotatably mounted on the bottom of the worm wheel (17), a hand wheel is fixedly mounted on the front end of the worm (18) corresponding to the outer side of the base (1), and universal wheels (2) are fixedly mounted at the four corners of the bottom of the base (1).

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