Special device for replacing mud pump valve

Abstract

The utility model discloses a special device for replacing a mud pump valve, which belongs to the field of mud pump valves and comprises a seat disc, an adjusting crank is movably mounted in the seat disc, and a hoisting chain is fixedly mounted outside the adjusting crank. A hook is fixedly installed at the end, away from the adjusting crank, of the lifting chain, the hook is sleeved with a connecting assembly, and a connecting base used for lifting is fixedly installed at the top of the base disc. The slurry pump valve lifting device has the advantages that the stability is improved by connecting the slurry pump valve and the hook through the connecting plate, the problem that the stability is insufficient when the slurry pump valve is directly connected and lifted through the hook is solved, and the connecting plate can be adaptively modified according to the sizes of different slurry pump valves; and the connecting threaded hole and the threaded connecting rod can always adapt to the size of the threaded hole of the slurry pump valve, so that the hoisting tool is adaptive to hoisting work of different slurry pump valves.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of mud pump valve, specifically, relate to a special device for replacing mud pump valve. BACKGROUND

[0002] The commonly used mud pump is piston type or plunger type, the crankshaft of the pump is driven to rotate by the power machine, the crankshaft drives the piston or plunger to make reciprocating motion in the pump cylinder through the cross head, under the alternating action of suction and discharge valves, the purpose of pressure sending and circulating flushing fluid is realized.

[0003] Since the replacement of the mud pump outlet valve needs to be lifted by the travelling crane, single lifting is unstable when using lifting belts, the valve head needs to be adjusted in position during lifting, and the operation process is time-consuming and laborious and there is a risk of injury and injury caused by misoperation, in order to meet the requirements of on-site safety operation, the safety protection of the operator replacing the mud pump outlet valve needs to be solved, and a special device for replacing the mud pump valve is provided to solve the above problems, SUMMARY

[0004] In order to overcome the risk of injury and injury caused by misoperation when using lifting belts for single lifting in the prior art, the utility model provides a special device for replacing the mud pump valve, which comprises a seat disc, an adjusting crank is movably installed in the inside of the seat disc, a lifting chain is fixedly installed on the outside of the adjusting crank, a hook is fixedly installed on the end of the lifting chain away from the adjusting crank, and a connecting assembly is sleeved on the outside of the hook.

[0005] A connecting seat for lifting is fixedly installed on the top of the seat disc, a through groove is formed in the inside of the connecting seat, and a anti-falling assembly for preventing the connecting assembly from falling off is fixedly installed on the outer wall of the hook.

[0006] Preferably, the connecting assembly comprises a connecting plate, a connecting threaded hole is formed in the inside of the connecting plate, a threaded connecting rod for connecting the pump body is screwedly installed in the inside of the connecting threaded hole, and a nut is screwedly installed on the outside of the threaded connecting rod.

[0007] Preferably, the number of the connecting threaded holes is nine, and every three connecting threaded holes are uniformly arranged in the inside of the connecting plate, and the hole diameter of the connecting threaded holes in each group at the bottom is larger than that at the top.

[0008] The hole diameters of the connecting threaded holes in each group are consistent, but different from those of other groups, so as to adapt to different mud pump valves to install the threaded connecting rod.

[0009] Preferably, the number of the threaded connecting rods is six, and each two of the threaded connecting rods is a group of uniform threads connected to the inside of the connecting threaded hole, and the diameter of each group of the threaded connecting rods at the bottom is larger than that at the top.

[0010] The threaded connecting rods of different sizes are adapted to the connecting threaded holes of different diameters, so as to be connected to the threaded holes on the mud pump valves of different specifications.

[0011] Preferably, the anti-disengagement assembly comprises a connecting block, a rotating shaft rod movably mounted in the inside of the connecting block, a turnover plate sleeved on the outside of the rotating shaft rod, and the turnover plate is in the shape of a "concave" character, an extension tube fixedly mounted on the outer wall of the turnover plate, and an extension rod movably mounted in the inside of the extension tube.

[0012] The connecting plate is prevented from being disengaged from the hook.

[0013] Preferably, a bearing seat is fixedly mounted in the inside of the seat disc, one end of the adjusting crank penetrates through the seat disc and extends to the inside of the seat disc and is movably connected with the bearing seat, and a hollow groove is formed in the inside of the seat disc.

[0014] Preferably, the number of the bearing seat, the adjusting crank and the lifting chain is two.

[0015] Preferably, one end of each of the two lifting chains is fixedly connected with the outer wall of the two adjusting cranks, and the length of the left lifting chain is longer than that of the right lifting chain.

[0016] Advantages:

[0017] The technical scheme of the present application has the following advantages:

[0018] (1) The connecting plate is connected with the mud pump valve and the hook, thereby improving the stability and avoiding the problem of insufficient stability when the mud pump valve is directly connected with the hook for lifting, and the connecting plate can be adaptively modified according to the size of different mud pump valves, so that the connecting threaded hole and the threaded connecting rod can always adapt to the size of the threaded hole of the mud pump valve itself, thereby adapting to the lifting work of different mud pump valves, and the modified connecting plate has low production cost, the connection with the hook is stable, reliable and easy to disassemble, and has good practicability.

[0019] (2) The mud pump valve is connected with the hook and the connecting assembly through two lifting chains of different lengths, so that the lifted mud pump valve presents a stable triangular state, avoiding the shaking of the mud pump valve during lifting, thereby improving the safety and reducing the occurrence of accidents, and the anti-disengagement assembly can also prevent the connecting plate from being disengaged from the hook, further improving the safety during operation. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced as follows. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained without creative labor on the basis of the drawings.

[0021] Figure 1 is a structural schematic diagram of the present application;

[0022] Figure 2 is a bottom view of the seat disc structure of the present application;

[0023] Figure 3 is a structural schematic diagram of the lifting chain of the present application;

[0024] Figure 4 is a structural enlarged schematic diagram of A part of the present application; Figure 3

[0025] Figure 5 is a structural sectional view of the seat disc of the present application.

[0026] In the drawings: 1, seat disc; 10, hollow groove; 11, connecting seat; 12, bearing seat; 2, adjusting crank; 3, lifting chain; 4, hook; 5, connecting assembly; 50, connecting plate; 51, connecting threaded hole; 52, threaded connecting rod; 53, nut; 6, anti-dropping assembly; 60, connecting block; 61, rotating shaft rod; 62, turnover plate; 63, telescopic tube; 64, telescopic rod. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0028] The present application will be further described in combination with the drawings and embodiments as follows:

[0029] As Figures 1 to 5 ​As shown, a special device for replacing mud pump valve, in embodiment 1, including seat disc 1, the inside of seat disc 1 movably installs adjusting crank 2, the outside of adjusting crank 2 fixedly installs lifting chain 3, the one end of two lifting chains 3 is respectively fixedly connected with the outer wall of two adjusting cranks 2, and the length of left lifting chain 3 is longer than that of right lifting chain 3, the one end of lifting chain 3 away from adjusting crank 2 is fixedly installed with hook 4, the outside of hook 4 is sleeved with connecting assembly 5, the length of two lifting chains 3 is long and short, and is connected through hook 4 and connecting assembly 5, when lifting mud pump valve, through two connecting plates 50 and the valve body and valve cover of mud pump, and through threaded connecting rod 52 penetrating connecting threaded hole 51 in connecting plate 50 and the screw hole of valve and valve cover, the characteristics of lifting chain 3 of different lengths are relied on, so that the mud pump valve is kept stable during lifting, effectively preventing the risk of personnel injury caused by valve shaking and skewing;

[0030] It should be noted that, since the size specifications of various mud pump valves are not consistent, the hole diameter of threaded hole 51 inside connecting plate 50 and the size of threaded connecting rod 52 are also not consistent, and the size of threaded hole 51 and threaded connecting rod 52 can be adjusted according to the actual valve size to achieve the purpose of adaptation, only the adaptability of connecting plate 50 needs to be adjusted, the cost is low and the use is convenient and efficient.

[0031] Figures 1 to 5 As shown, a special device for replacing mud pump valve, in embodiment 2, the outer wall of hook 4 is fixedly installed with anti-falling assembly 6 for preventing connecting assembly 5 from falling off, anti-falling assembly 6 includes connecting block 60, connecting block 60 movably installs rotating shaft rod 61 inside, rotating shaft rod 61 is sleeved with turnover plate 62 outside, and the shape of turnover plate 62 is "concave" type, the outer wall of turnover plate 62 is fixedly installed with telescopic pipe 63, telescopic pipe 63 movably installs telescopic rod 64 inside, the shape of hook 4 is "C" type, and in order to prevent connecting plate 50 from falling off during lifting, anti-falling assembly 6 is installed, when connecting plate 50 is connected with valve and needs to be limited, rotating shaft rod 61 drives turnover plate 62 to rotate downward, so that telescopic pipe 63 approaches hook 4 inner wall, at the same time, due to the influence of its own gravity, telescopic rod 64 part slides out from telescopic pipe 63 inside and is combined with hook 4 inner wall to form a closed space, at this time, connecting plate 50 cannot be separated from hook 4, so as to improve the safety during lifting;

[0032] In addition, one end of the lifting chain 3 is fixedly connected with the adjusting crank 2, and the remaining part is wound outside the adjusting crank 2, and the user can wind up or release the lifting chain 3 by driving the adjusting crank 2 to rotate, so as to meet the lifting requirements of the travelling crane or other lifting equipment and the valve of the mud pump in different use environments, and the adjusting mode is not limited to the rotating adjusting crank 2, and other modes that can meet the length adjustment of the lifting chain 3 can be used.

[0033] Working principle: the two lifting chains 3 are connected with the connecting hook 4 and the connecting plate 50, and the threaded connecting rod 52 with a proper size is selected and matched with the corresponding threaded hole 51, the threaded connecting rod 52 is penetrated through the threaded hole 51 and is threadedly connected with the corresponding threaded hole on the valve of the mud pump, the nut 53 is installed to prevent the threaded connecting rod 52 from being separated, the installation positions of the two connecting plates 50 have a certain spacing to improve the stability, the lifting stability can be improved by the different lengths of the lifting chains 3 to form a stable triangular state, the number of the threaded holes 51 and the threaded connecting rods 52 is not fixed, the number of the threaded connecting rods 52 can be increased to improve the safety, and finally the lifting equipment is connected with the connecting seat 11.

[0034] The preferred embodiments of the utility model are only used for limiting the utility model, and the utility model can be changed and varied for the person skilled in the art. Any modification, equivalent replacement, improvement and the like within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A special device for replacing mud pump valves, characterized in that, Includes a base plate (1), an adjusting crank (2) is movably installed inside the base plate (1), a lifting chain (3) is fixedly installed outside the adjusting crank (2), a hook (4) is fixedly installed at the end of the lifting chain (3) away from the adjusting crank (2), and a connecting component (5) is sleeved on the outside of the hook (4); The top of the base plate (1) is fixedly installed with a connecting seat (11) for lifting, and the connecting seat (11) has a through groove inside. The outer wall of the hook (4) is fixedly installed with an anti-detachment component (6) to prevent the connecting component (5) from falling off.

2. The special device for replacing mud pump valves according to claim 1, characterized in that, The connecting assembly (5) includes a connecting plate (50), the connecting plate (50) has a connecting threaded hole (51) inside, the connecting threaded hole (51) is threaded with a threaded rod (52) for connecting the pump body, and the threaded rod (52) is threaded with a nut (53) on its external thread.

3. The special device for replacing mud pump valves according to claim 2, characterized in that, The number of the connecting threaded holes (51) is nine, and every three connecting threaded holes (51) are evenly opened inside the connecting plate (50) in a group, and the diameter of the connecting threaded holes (51) in the bottom group is larger than the diameter of the connecting threaded holes (51) in the top group.

4. A special device for replacing mud pump valves according to claim 2, characterized in that, The number of threaded connectors (52) is six, and every two threaded connectors (52) are connected in a uniform threaded connection inside the connecting threaded hole (51), and the diameter of each group of threaded connectors (52) at the bottom is greater than the diameter of each group of threaded connectors (52) at the top.

5. A special device for replacing mud pump valves according to claim 1, characterized in that, The anti-detachment component (6) includes a connecting block (60), a rotating shaft (61) is movably installed inside the connecting block (60), a flip plate (62) is sleeved on the outside of the rotating shaft (61), and the flip plate (62) is shaped like a "U". A telescopic tube (63) is fixedly installed on the outer wall of the flip plate (62), and a telescopic rod (64) is movably installed inside the telescopic tube (63).

6. A special device for replacing mud pump valves according to claim 1, characterized in that, The bearing seat (1) is fixedly installed inside the seat plate (1), and one end of the adjusting crank (2) passes through the seat plate (1) and extends into the interior of the seat plate (1) to be movably connected with the bearing seat (12). The seat plate (1) has a slot (10) inside.

7. A special device for replacing mud pump valves according to claim 6, characterized in that, The number of bearing housing (12), adjusting crank (2) and lifting chain (3) are all two.

8. A special device for replacing mud pump valves according to claim 7, characterized in that, One end of each of the two lifting chains (3) is fixedly connected to the outer wall of the two adjusting cranks (2), and the length of the left lifting chain (3) is longer than that of the right lifting chain (3).

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