A kind of assembled filtering and conveying mechanism for mud pump

Abstract

The invention relates to the technical field of filtering and conveying, and discloses an assembled filtering and conveying mechanism of a mud pump, comprising a mud pump body, a one-way valve movably installed inside the mud pump body, and an eccentric shaft installed inside the mud pump body, a pipe for pumping water is opened inside the mud pump body, a piston block is inserted and slidably fitted inside the pipe, a connecting rod is rotatably sleeved on the surface of the eccentric shaft, the end of the connecting rod is connected to the side of the piston block, a rotating motor for driving the eccentric shaft to rotate is installed on the side of the mud pump body, a water inlet pipe for water inlet is installed on the front side of the mud pump body, a water outlet pipe for water outlet is installed on the front side of the mud pump body, the water inlet pipe is communicated with the water outlet pipe, a filter screen is installed on the bottom side of the water inlet pipe, a plurality of blades for striking gravel are movably installed on the bottom side of the filter screen, and a rotating disk for controlling the rotation of the blades is installed on the bottom side of the water inlet pipe, so as to reduce the blockage of the pipe and valve inside the pump, thereby maintaining the normal operation and stable flow of the mud pump.

Description

Technical Field

[0001] The invention relates to the technical field of filtering and conveying, in particular to an assembled filtering and conveying mechanism for a mud pump. Background Art

[0002] A mud pump is a mechanical device used to transport mud or other similar fluids. They are widely used in industries such as construction, mining, and drilling, especially in drilling operations, to pump mud from downhole to the surface to help cool the drill bit, clean the wellbore, and stabilize the well wall.

[0003] A mud pump is a mechanical device used to transport mud or other similar fluids. Its working principle is: in the suction stage, the piston moves backward, the volume of the pump chamber increases, forming a negative pressure, so that the mud enters the pump chamber through the feed valve; in the discharge stage, the piston moves forward, the volume of the pump chamber decreases, the mud is compressed and discharged through the discharge valve. Piston pumps can provide high flow and high pressure, and are suitable for handling mud with high viscosity or requiring high pressure.

[0004] At present, in the process of mud pump sucking underground mud, some gravel may be absorbed into the equipment. When larger gravel enters the mud pump, it may cause blockage of the internal pipes or valves of the pump, affecting the normal flow of mud, reducing the efficiency of the pump, and even causing equipment shutdown. Therefore, it does not meet the existing needs. We have proposed a mud pump assembled filtering and conveying mechanism. Summary of the invention

[0005] The present invention provides a mud pump assembled filtering and conveying mechanism, which solves the problems mentioned in the above background technology.

[0006] The present invention provides the following technical scheme: a mud pump assembled filtering and conveying mechanism, comprising a mud pump body and a one-way valve movably installed inside the mud pump body, and an eccentric shaft installed inside the mud pump body, a pipe for pumping water is opened inside the mud pump body, a piston block is inserted and slidably fitted inside the pipe, a connecting rod is rotatably sleeved on the surface of the eccentric shaft, the end of the connecting rod is connected to the side of the piston block, a rotating motor for driving the eccentric shaft to rotate is installed on the side of the mud pump body, an inlet pipe for water intake is installed on the front side of the mud pump body, a water outlet pipe for water discharge is installed on the front side of the mud pump body, the inlet pipe is communicated with the outlet pipe, a filter screen is installed on the bottom side of the inlet pipe, a plurality of blades for striking gravel are movably installed on the bottom side of the filter screen, and a rotating disk for controlling the rotation of the blades is installed on the bottom side of the inlet pipe.

[0007] As an optional solution of the mud pump assembled filtering and conveying mechanism described in the present invention, the one-way valve includes a feed valve and a discharge valve, the feed valve is installed inside the water inlet pipe, and the discharge valve is installed inside the water outlet pipe.

[0008] As an optional scheme of the mud pump assembled filtering and conveying mechanism described in the present invention, a sleeve is installed on the bottom side of the feed valve, a track groove is opened on the surface of the sleeve, a connecting column is slidably installed inside the track groove, the connecting column is slidably matched with the track groove, a rotating column is rotatably installed inside the sleeve, the connecting column is installed on the side of the rotating column, and a support plate is symmetrically installed on the inner wall of the water inlet pipe. During the descent of the feed valve, the rotating column and the support plate are in rotational contact.

[0009] As an optional scheme of the mud pump assembled filtering and conveying mechanism described in the present invention, wherein: a first gear is installed on the bottom side of the rotating column, a second gear is rotatably installed on the inner wall of the water inlet pipe, the first gear and the second gear, and the second gear are eccentrically hinged with a vertical rod on the side, a sliding groove is provided on the inner wall of the water inlet pipe, a first sliding block is slidably fitted inside the sliding groove, a buffer groove is provided on the side of the first sliding block, a driving block is slidably installed inside the buffer groove, and a first tooth segment is provided on the side of the driving block.

[0010] As an optional solution of the mud pump assembled filtering and conveying mechanism described in the present invention, the bottom end of the vertical rod is connected to the first sliding block, a sliding opening is opened on the surface of the filter screen, and the driving block is movably matched with the sliding opening.

[0011] As an optional solution of the mud pump assembled filtering and conveying mechanism described in the present invention, a connecting disk is installed inside the water inlet pipe, the rotating disk is rotatably installed on the surface of the connecting disk, a water inlet is opened on the surface of the connecting disk, and a movable groove is opened on the side of the connecting disk.

[0012] As an optional solution of the mud pump assembled filtering and conveying mechanism described in the present invention, an arc groove is opened on the surface of the rotating disk, a sliding column is slidably installed inside the arc groove, the blade is installed on the bottom side of the sliding column, the middle end of the blade is hinged to the connecting disk, and the blade is movably cooperated with the movable groove.

[0013] As an optional scheme for the assembled filtering and conveying mechanism of a mud pump described in the present invention, wherein: a second tooth segment is installed on the upper side of the rotating disk, a rotating gear is rotatably installed on the side of the water inlet pipe, one side of the rotating gear is meshed with the second tooth segment, and the other side of the rotating gear is meshed with the first tooth segment, a support block is installed on the side of the first sliding block, a symmetrical block is installed on the side of the driving block, a second spring is installed between the symmetrical block and the support block, a support rod is installed inside the buffer groove, a slot is opened inside the driving block, and the support rod is inserted and slidably matched with the slot.

[0014] As an optional solution of the mud pump assembled filtering and conveying mechanism described in the present invention, wherein: a movable sleeve on the surface of the support rod is provided with a release spring, one end of the release spring is connected to the driving block, and the other end of the release spring is connected to the inner wall of the buffer groove.

[0015] As an optional solution of the mud pump assembled filtering and conveying mechanism described in the present invention, a first resistance block is installed on the upper side of the water inlet pipe, and a second resistance block is installed on the bottom side of the driving block, and the first resistance block and the second resistance block are in active contact.

[0016] The present invention has the following beneficial effects:

[0017] 1. The assembled filtering and conveying mechanism of the mud pump starts the rotating motor and uses the cooperation between the eccentric shaft and the connecting rod to make the connecting rod drive the piston block to reciprocate inside the pipe. During the reciprocating motion, the mud pump body intermittently forms a high and low pressure state. At the same time, the cooperation between the feed valve and the discharge valve is used to convey the underground mud. By installing a filter screen inside the water inlet pipe, the possibility of large gravel entering the feed port of the pump can be reduced, and the blockage of the pipes and valves inside the pump can be reduced, thereby maintaining the normal operation and stable flow of the mud pump.

[0018] 2. The assembled filtering and conveying mechanism of the mud pump, in the process of the feed valve descending, utilizes the cooperation of the sleeve, the track groove, the rotating column and the connecting column, so that each time the feed valve descends, the rotating column is rotated, and the feed valve reciprocates for multiple times, so the rotating column rotates one circle, and the first gear installed on the bottom side of the rotating column can drive the second gear to rotate, and a vertical rod is installed on the side of the second gear, so that the vertical rod moves up and down during the rotation of the second gear, and the first sliding block and the driving block can be driven to reciprocate during the vertical rod moving up and down, so that the first tooth segment provided on the side of the driving block is meshed with the rotating gear, and the rotating gear is meshed with the second tooth segment, so that the rotating disk can be driven to rotate during the descending process of the feed valve;

[0019] When the rotating disk rotates, the sliding column slides from one end of the arc groove to the other end, and at the same time, the middle end of the blade is hinged to the connecting disk, so that several blades are brought together from a scattered state. When several blades are brought together, they can hit the gravel blocking one side of the filter screen and crush the gravel as much as possible so that the gravel can be smoothly transported, thereby improving the effect of transporting underground mud. Moreover, through the cooperation of the sleeve on the bottom side of the feed valve and the track groove, the feed valve can be reciprocated for multiple times, and the blade strikes the gravel once, so that the gravel accumulates to a certain amount before striking the gravel, thereby reducing the frequency of excessive use of the blade and extending the service life of the blade.

[0020] 3. The assembled filtering and conveying mechanism of the mud pump is equipped with a release spring installed between the driving block and the first sliding block, and at the same time, the first contact block and the second contact block cooperate to store force for the movement of the driving block. When the first contact block and the second contact block are offset, the driving block moves quickly through the push of the release spring, so that the first rack segment can quickly rotate with the rotating gear, so that during the rapid rotation of the rotating gear, the rotating disk rotates instantly, so that several blades can be instantly brought together. During the instantaneous bringing together of the blades, the impact on the gravel can be improved, so that the gravel is damaged. Not only that, the time for the blade to damage the gravel can be shortened, the time for the blade to block the water inlet can be reduced, and the wear of the blade can be reduced, thereby improving the mud conveying efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0022] Figure 2 It is a schematic diagram of the cross-sectional structure of the present invention.

[0023] Figure 3 It is a schematic diagram of the partial three-dimensional structure of the present invention Figure 1 .

[0024] Figure 4 It is a schematic diagram of the partial three-dimensional structure of the present invention Figure 2 .

[0025] Figure 5 A schematic diagram of a partial cross-sectional structure of the present invention Figure 1 .

[0026] Figure 6 A schematic diagram of a partial cross-sectional structure of the present invention Figure 2 .

[0027] Figure 7 For the present invention Figure 2 A in the figure is an enlarged structural diagram.

[0028] Figure 8A partial side cross-sectional structure diagram of the present invention Figure 1 .

[0029] Fig. 9 A partial side cross-sectional structure diagram of the present invention Figure 2 .

[0030] Fig.10 For the present invention Figure 8 The enlarged structural diagram at B in FIG.

[0031] Fig.11 A partial side cross-sectional structure diagram of the present invention Figure 3 .

[0032] In the figure: 110, mud pump body; 111, water inlet pipe; 112, water outlet pipe; 113, pipeline; 114, piston block; 115, eccentric shaft; 120, connecting rod; 121, rotating motor; 122, filter screen; 123, blade; 130, one-way valve; 131, feed valve; 132, discharge valve; 140, sliding groove; 141, first sliding block; 142, buffer groove; 143, driving block; 144, first tooth segment; 151, sliding port; 160, connecting plate; 161, rotating plate; 162, Water inlet; 163, movable groove; 170, arc groove; 171, sliding column; 180, second tooth segment; 181, rotating gear; 190, support block; 191, symmetrical block; 192, second spring; 193, slot; 194, release spring; 210, first interference block; 211, second interference block; 220, support rod; 230, sleeve; 231, track groove; 232, connecting column; 233, rotating column; 240, support plate; 250, first gear; 260, second gear; 270, vertical rod. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] Embodiment 1: This embodiment is intended to promote the solution of the problem that during the process of the mud pump sucking the underground mud, some gravel may be absorbed into the equipment. When larger gravel enters the mud pump, it may cause the blockage of the internal pipe 113 or valve of the pump, affecting the normal flow of mud, reducing the efficiency of the pump, and even causing the equipment to stop. Please refer to Figure 1 - Fig.11A mud pump assembly type filtering and conveying mechanism comprises a mud pump body 110 and a one-way valve 130 movably installed inside the mud pump body 110, and an eccentric shaft 115 installed inside the mud pump body 110. A pipe 113 for pumping water is provided inside the mud pump body 110, a piston block 114 is inserted and slidably fitted inside the pipe 113, a connecting rod 120 is rotatably sleeved on the surface of the eccentric shaft 115, an end of the connecting rod 120 is connected to the side of the piston block 114, a rotating motor 121 for driving the eccentric shaft 115 to rotate is installed on the side of the mud pump body 110, and the mud pump body 110 is provided with a rotating motor 121 for driving the eccentric shaft 115 to rotate. A water inlet pipe 111 for water intake is installed on the front side of the body 110, and a water outlet pipe 112 for water discharge is installed on the front side of the mud pump body 110. The water inlet pipe 111 is communicated with the water outlet pipe 112. A filter screen 122 is installed on the bottom side of the water inlet pipe 111. A plurality of blades 123 for striking gravel are movably installed on the bottom side of the filter screen 122. A rotating disk 161 for controlling the rotation of the blades 123 is installed on the bottom side of the water inlet pipe 111. The one-way valve 130 includes a feed valve 131 and a discharge valve 132. The feed valve 131 is installed inside the water inlet pipe 111, and the discharge valve 132 is installed inside the water outlet pipe 112.

[0035] See Figure 1 , Figure 2 In a specific implementation, the eccentric shaft 115 is driven to rotate by rotating the motor 121, and the connecting rod 120 installed on the surface of the eccentric shaft 115 is rotated to rotate along with the eccentric shaft 115. Therefore, the connecting rod 120 is driven to extend and retract during the rotation of the eccentric shaft 115. The piston block 114 is installed on the front side of the connecting rod 120, so that the piston block 114 follows the extension and retraction of the connecting rod 120. The mud in the ground is sucked and discharged through the cooperation of the feed valve 131 and the discharge valve 132. The filter screen 122 is installed inside the water inlet pipe 111 to reduce the possibility of larger gravel entering the feed port of the pump, reduce the blockage of the internal pipe 113 and valve of the pump, thereby maintaining the normal operation and stable flow of the mud pump.

[0036] In this embodiment: by starting the rotating motor 121, and utilizing the cooperation between the eccentric shaft 115 and the connecting rod 120, the connecting rod 120 drives the piston block 114 to reciprocate inside the pipe 113, and during the reciprocating motion, the mud pump body 110 intermittently forms a high and low pressure state, and at the same time, utilizing the cooperation between the feed valve 131 and the discharge valve 132, the underground mud is transported; by installing a filter screen 122 inside the water inlet pipe 111, the possibility of larger gravel entering the feed port of the pump can be reduced, and the blockage of the pipe 113 and valve inside the pump can be reduced, thereby maintaining the normal operation of the mud pump and a stable flow rate.

[0037] Embodiment 2: This embodiment is intended to promote the solution of the possibility that the filter screen 122 can reduce the possibility of large gravels entering the mud pump body 110, but there will be a problem that the filter screen 122 is blocked by large gravels, resulting in the problem that the mud cannot be smoothly transported. This embodiment is an improvement made on the basis of embodiment 1. For details, please refer to Figure 1 - Fig.11 A sleeve 230 is installed on the bottom side of the feed valve 131, and a track groove 231 is opened on the surface of the sleeve 230. A connecting column 232 is slidably installed inside the track groove 231. The connecting column 232 slides with the track groove 231. A rotating column 233 is rotatably installed inside the sleeve 230. The connecting column 232 is installed on the side of the rotating column 233. A support plate 240 is symmetrically installed on the inner wall of the water inlet pipe 111. During the descending process of the feed valve 131, the bottom side of the rotating column 233 is in rotational contact with the support plate 240, and a first gear 250 is installed on the bottom side of the rotating column 233.

[0038] See Figure 2 , Figure 3 , Figure 4 and Fig.11 In a specific implementation, during the process of the feed valve 131 descending, the bottom side of the rotating column 233 contacts the support plate 240. At the same time, the connecting column 232 is restricted by the track groove 231, so that the connecting column 232 slides along the track groove 231. Since the connecting column 232 moves along the track of the track groove 231, the rotating column 233 installed on the side of the connecting column 232 rotates following the direction of movement of the connecting column 232, and the first gear 250 installed on the bottom side of the rotating column 233 rotates synchronously.

[0039] See Figure 2 , Figure 3 , Figure 4 and Fig.11 During the specific implementation, the second gear 260 is rotatably installed on the inner wall of the water inlet pipe 111, and the first gear 250 and the second gear 260 are eccentrically hinged with a vertical rod 270 on the side of the second gear 260, which meshes with the second gear 260 during the rotation of the first gear 250. Therefore, the second gear 260 rotates with the first gear 250. The rotation of the first gear 250 is restricted by the cooperation of the track groove 231 and the connecting column 232, so that the feed valve 131 drops multiple times before the first gear 250 can rotate one circle.

[0040] See Figure 4 , Figure 5 , Figure 6 A sliding groove 140 is provided on the inner wall of the water inlet pipe 111, a first sliding block 141 is slidably matched inside the sliding groove 140, a buffer groove 142 is provided on the side of the first sliding block 141, a driving block 143 is slidably installed inside the buffer groove 142, and a first tooth segment 144 is provided on the side of the driving block 143.

[0041] See Figure 4 , Figure 5 , Figure 6 , the bottom end of the vertical rod 270 is connected to the first sliding block 141, and the vertical rod 270 can be extended and retracted during the rotation of the second gear 260. The vertical rod 270 can drive the first sliding block 141 to descend during the extension of the vertical rod 270, and the driving block 143 installed on the side of the first sliding block 141 can be simultaneously lowered.

[0042] See Figure 4 , Figure 5 , Figure 6 A sliding opening 151 is provided on the surface of the filter screen 122, and the driving block 143 is movably matched with the sliding opening 151. A connecting disk 160 is installed inside the water inlet pipe 111, and a rotating disk 161 is rotatably installed on the surface of the connecting disk 160. A water inlet 162 is provided on the surface of the connecting disk 160, and a movable groove 163 is provided on the side of the connecting disk 160. An arc groove 170 is provided on the surface of the rotating disk 161, and a sliding column 171 is slidably installed inside the arc groove 170. The blade 123 is installed on the bottom side of the sliding column 171, and the middle end of the blade 123 is hinged to the connecting disk 160, and the blade 123 is movably matched with the movable groove 163.

[0043] See Figure 4 , Figure 5 , Figure 6 In a specific implementation, during the process of the driving block 143 descending, the first tooth segment 144 provided on the side of the driving block 143 meshes with the rotating gear 181, so that the rotating gear 181 rotates and meshes with the second tooth segment 180 provided on the upper side of the rotating disk 161, and during the meshing process of the second tooth segment 180 and the rotating gear 181, the rotating disk 161 rotates; during the rotation of the rotating disk 161, the sliding column 171 slides from one end of the arc groove 170 to the other end, so that the plurality of blades 123 are brought together from a scattered state. When the plurality of blades 123 are brought together, the gravel blocked on one side of the filter screen 122 can be hit and the gravel can be crushed as much as possible, so that the gravel can be smoothly transported.

[0044] In this embodiment: during the descent of the feed valve 131, the sleeve 230, the track groove 231, the rotating column 233 and the connecting column 232 are used to cooperate so that the rotating column 233 rotates each time the feed valve 131 descends. When the feed valve 131 reciprocates for many times, the rotating column 233 rotates one circle, and the first gear 250 installed on the bottom side of the rotating column 233 can drive the second gear 260 to rotate. At the same time, a vertical rod 270 is installed on the side of the second gear 260. Therefore, during the rotation of the second gear 260, the vertical rod 270 moves up and down. During the up and down movement of the vertical rod 270, the first sliding block 141 and the driving block 143 can be driven to reciprocate; therefore, the first tooth segment 144 provided on the side of the driving block 143 is meshed with the rotating gear 181, and the rotating gear 181 is meshed with the second tooth segment 180, so that the rotating disk 161 can be driven to rotate during the descent of the feed valve 131;

[0045] When the rotating disk 161 rotates, the sliding column 171 slides from one end of the arc groove 170 to the other end, and at the same time, the middle end of the blade 123 is hinged to the connecting disk 160, so that the multiple blades 123 are brought together from a scattered state. When the multiple blades 123 are brought together, the gravel blocked on one side of the filter screen 122 can be hit and the gravel can be crushed as much as possible so that the gravel can be smoothly transported, thereby improving the effect of transporting underground mud. Moreover, through the cooperation of the sleeve 230 and the track groove 231 on the bottom side of the feed valve 131, the feed valve 131 can be reciprocated for multiple times, and the blade 123 strikes the gravel once, so that the gravel accumulates to a certain amount before striking the gravel, thereby reducing the frequency of excessive use of the blade 123 and extending the service life of the blade 123.

[0046] Embodiment 3: This embodiment aims to promote the solution of the problem of hitting the crushed stone instantly and improving the efficiency of hitting the crushed stone. This embodiment is an improvement made on the basis of embodiment 2. For details, please refer to Figure 1 - Fig.11 A second tooth segment 180 is installed on the upper side of the rotating disk 161, and a rotating gear 181 is rotatably installed on the side of the water inlet pipe 111. One side of the rotating gear 181 is meshed with the second tooth segment 180, and the other side of the rotating gear 181 is meshed with the first tooth segment 144. A support block 190 is installed on the side of the first sliding block 141, and a symmetrical block 191 is installed on the side of the driving block 143. A second spring 192 is installed between the symmetrical block 191 and the support block 190. A support rod 220 is installed inside the buffer groove 142, and a slot 193 is opened inside the driving block 143, and the support rod 220 is inserted and slidably matched with the slot 193.

[0047] A release spring 194 is movably sleeved on the surface of the support rod 220, one end of the release spring 194 is connected to the driving block 143, and the other end of the release spring 194 is connected to the inner wall of the buffer groove 142, a first resistance block 210 is installed on the upper side of the water inlet pipe 111, and a second resistance block 211 is installed on the bottom side of the driving block 143, and the first resistance block 210 and the second resistance block 211 are in movable contact.

[0048] See Figure 8 , Fig. 9 and Fig.10 In a specific implementation, during the process of the first sliding block 141 descending, the first sliding block 141 simultaneously drives the driving block 143 to descend. During the process of the driving block 143 descending, the second resistance block installed on the side of the driving block 143 is driven to contact the first resistance block 210 installed on the inner wall of the water inlet pipe 111. At this time, the first sliding block 141 continues to descend, so that the second resistance block on the bottom side of the driving block 143 is restricted by the first resistance block 210, so that the driving block 143 moves inside the buffer groove 142 opened on the side of the first sliding block 141, and at this time The compression spring is in a compressed state, and the driving block 143 moves to the end of the buffer groove 142. At the same time, the first sliding block 141 continues to descend, so that the first contact block 210 and the second contact block are instantly offset. When the first contact block 210 and the second contact block are instantly offset, the compression spring is instantly released and accelerates the driving block 143 to move. During the rapid movement of the driving block 143, the rotating gear 181 is also rotated rapidly, and the rotating disk 161 is also rotated rapidly. Therefore, several blades 123 can be quickly brought together to strengthen the impact on the gravel.

[0049] In this embodiment: by installing a release spring 194 between the driving block 143 and the first sliding block 141, and by the cooperation between the first contact block 210 and the second contact block 211, the movement of the driving block 143 can be accumulated. When the first contact block 210 and the second contact block 211 are offset, the driving block 143 moves quickly through the push of the release spring 194, so that the first rack segment can quickly rotate with the rotating gear 181, so that in the process of rapid rotation of the rotating gear 181, the rotating disk 161 rotates instantly, so that several blades 123 can be instantly brought together. In the process of the blades 123 instantly coming together, the impact on the gravel can be improved, so that the gravel is damaged. Not only that, the time for the blade 123 to damage the gravel can be shortened, the time for the blade 123 to block the water inlet 162 can be reduced, and the loss of the blade 123 can be reduced, thereby improving the mud transportation efficiency.

[0050] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0051] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A mud pump assembled filtering and conveying mechanism, comprising a mud pump body and a one-way valve movably installed inside the mud pump body, and an eccentric shaft installed inside the mud pump body, a pipe for pumping water is provided inside the mud pump body, a piston block is inserted and slidably fitted inside the pipe, a connecting rod is rotatably sleeved on the surface of the eccentric shaft, and the end of the connecting rod is connected to the side of the piston block, characterized in that: A rotating motor for driving the eccentric shaft to rotate is installed on the side of the mud pump body, a water inlet pipe for water inlet is installed on the front side of the mud pump body, a water outlet pipe for water outlet is installed on the front side of the mud pump body, the water inlet pipe is connected with the water outlet pipe, a filter is installed on the bottom side of the water inlet pipe, a plurality of blades for hitting gravel are movably installed on the bottom side of the filter, and a rotating disk for controlling the rotation of the blades is installed on the bottom side of the water inlet pipe; A connecting plate is installed inside the water inlet pipe, a rotating plate is rotatably installed on the surface of the connecting plate, a water inlet is opened on the surface of the connecting plate, and a movable groove is opened on the side of the connecting plate; An arc groove is provided on the surface of the rotating disk, a sliding column is slidably installed inside the arc groove, a blade is installed on the bottom side of the sliding column, the middle end of the blade is hinged to the connecting disk, and the blade is movably matched with the movable groove; A second tooth segment is installed on the upper side of the rotating disk, and a rotating gear is rotatably installed on the side of the water inlet pipe. One side of the rotating gear is meshed with the second tooth segment, and the other side of the rotating gear is meshed with the first tooth segment. A support block is installed on the side of the first sliding block, and a symmetrical block is installed on the side of the driving block. A second spring is installed between the symmetrical block and the support block, a support rod is installed inside the buffer groove, and a slot is opened inside the driving block, and the support rod is inserted and slidably matched with the slot.

2. A mud pump assembled filtering and conveying mechanism according to claim 1, characterized in that: The one-way valve comprises a feed valve and a discharge valve. The feed valve is installed inside the water inlet pipe, and the discharge valve is installed inside the water outlet pipe.

3. A mud pump assembled filtering and conveying mechanism according to claim 2, characterized in that: A sleeve is installed on the bottom side of the feed valve, and a track groove is opened on the surface of the sleeve. A connecting column is slidably installed inside the track groove. The connecting column and the track groove are slidably matched. A rotating column is rotatably installed inside the sleeve, and the connecting column is installed on the side of the rotating column. Support plates are symmetrically installed on the inner wall of the water inlet pipe. During the descent of the feed valve, the rotating column and the support plate are in rotational contact.

4. A mud pump assembled filtering and conveying mechanism according to claim 3, characterized in that: A first gear is installed on the bottom side of the rotating column, and a second gear is rotatably installed on the inner wall of the water inlet pipe. A vertical rod is eccentrically hinged on the sides of the first gear, the second gear and the second gear. A sliding groove is provided on the inner wall of the water inlet pipe, and a first sliding block is slidably fitted inside the sliding groove. A buffer groove is provided on the side of the first sliding block, and a driving block is slidably installed inside the buffer groove, and a first tooth segment is provided on the side of the driving block.

5. A mud pump assembled filtering and conveying mechanism according to claim 4, characterized in that: The bottom end of the vertical rod is connected with the first sliding block, and a sliding opening is provided on the surface of the filter screen, and the driving block is movably matched with the sliding opening.

6. The assembled filtering and conveying mechanism of a mud pump according to claim 1, characterized in that: A release spring is arranged on the movable sleeve on the surface of the support rod, one end of the release spring is connected with the driving block, and the other end of the release spring is connected with the inner wall of the buffer groove.

7. The assembled filtering and conveying mechanism of a mud pump according to claim 1, characterized in that: A first resistance block is installed on the upper side of the water inlet pipe, and a second resistance block is installed on the bottom side of the driving block. The first resistance block is in active contact with the second resistance block.

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