Hydraulic motor driving pump
By employing a fixing structure with a combination of locking blocks and stop blocks, along with a spring pressure rod design in the hydraulic motor-driven pump, the problem of locking block damage caused by material impact is solved. This achieves stable fixing and convenient replacement of the filter plates, improving the service life and maintenance efficiency of the equipment.
Patent Information
- Application Number
- CN202520416349.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-11
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-03-11
AI Technical Summary
In existing hydraulic motor-driven pumps, the impact force of materials can damage the jamming blocks, leading to fixation failure and ineffective filtration of slurry.
It adopts a semi-circular shell and a locking block design, which achieves stable fixation through the cooperation of the locking block and the stop block; when the filter plate needs to be replaced, the locking block is deformed by the pressure rod and spring structure, which makes it easy to disassemble and assemble; combined with the dovetail block and threaded groove structure, the filter plate can be easily replaced.
This achieves stable fixing and convenient replacement of the filter plates, improving the service life and maintenance efficiency of the equipment.
Smart Images

Figure CN223724860U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to pump technical field, specifically relates to a kind of hydraulic motor drive pumps. BACKGROUND
[0002] Hydraulic motor drive pump is a kind of device for converting hydraulic energy and mechanical energy, essentially it is the function integration or linkage system of hydraulic motor and hydraulic pump, commonly found in the hydraulic system needing bidirectional energy conversion or complex power transmission.
[0003] Patent CN216742023U discloses a kind of hydraulic motor driven mud pump, realize the purpose of being convenient for the mud in the pump body inside to filter, prevent sand from entering the inside of pump body and reduce the service life of pump body;The mud pump can filter mud, but in specific use, the first clamping plate and the second clamping plate are fixed in the mud inlet by clamping block clamped in the clamping groove, the material has a certain impact force after entering the mud inlet, the impact force acts on the first clamping plate and the second clamping plate, and is transmitted to the clamping block and the clamping groove, only rely on the clamping groove and the clamping block to fix the first clamping plate and the second clamping plate, it is easy to cause the damage of clamping block, so that the first clamping block and the second clamping block lose fixation, and the first clamping block and the second clamping block lose fixation and cannot filter mud again. UTILITY MODEL CONTENTS
[0004] To solve the technical problem that material impact force causes clamping block damage, the utility model provides a kind of hydraulic motor drive pump.
[0005] The purpose of the utility model can be realized by the following technical solutions:
[0006] A kind of hydraulic motor drive pump, including hydraulic motor drive pump body;Flange is connected in the end of hydraulic motor drive pump body;Semicircular installation slot is opened in the outside of feed pipe, the position of feed pipe corresponding installation slot is provided with semicircular shell, circular mounting plate is installed in the middle of shell, and filter plate is connected in the middle of mounting plate;The position of feed pipe corresponding clamping block is provided with clamping groove, one end of clamping block away from shell is triangular, and the side corresponding to the short side of clamping block triangle in clamping groove is connected with stop block, and clamping block is attached with stop block;The end of feed pipe corresponding to the end of clamping block away from shell is provided with pressure rod, the end of pressure rod away from clamping block is connected with pressure block, and first spring is connected between pressure block and feed pipe, and first spring is located on the outside of pressure rod.
[0007] Preferably, the size of the shell is the same as that of the installation slot.
[0008] Preferably, a ring of sealing gasket is connected to both sides of the mounting plate, the sealing gasket is connected between the inner diameter and the outer diameter of the mounting plate, a sealing groove is opened in the position of the feed pipe corresponding to the sealing gasket, and the sealing gasket is attached with the sealing groove.
[0009] Preferably, the outer diameter of the mounting plate is larger than the inner diameter of the feeding pipe, the inner diameter of the mounting plate is equal to the inner diameter of the feeding pipe, and the diameter of the sealing groove is equal to the outer diameter of the mounting plate.
[0010] Preferably, a plurality of dovetail blocks are arranged uniformly on the outer side of the mounting plate corresponding to the position of the shell, a plurality of dovetail grooves are arranged uniformly on the shell corresponding to the position of the dovetail blocks, and the dovetail blocks are inserted into the dovetail grooves.
[0011] Preferably, the end of the pressing rod close to the clamping block is semicircular, and the feeding pipe is provided with a sliding groove corresponding to the position of the pressing rod.
[0012] Preferably, a semicircular guard plate is arranged on the outer side of the feeding pipe corresponding to the position of the shell, a semicircular cover plate is arranged on the outer side of the feeding pipe corresponding to the end of the guard plate away from the shell, the guard plate is slidably connected to the cover plate, and a plurality of second springs are arranged uniformly between the guard plate and the cover plate.
[0013] Preferably, a threaded groove is arranged on the guard plate close to the cover plate, and a screw rod is threadedly connected to the cover plate close to the threaded groove.
[0014] Preferably, a baffle plate is arranged on the outer side of the feeding pipe corresponding to the side of the guard plate away from the cover plate, the guard plate is attached to the baffle plate, and a supporting plate is arranged on the outer side of the guard plate.
[0015] Preferably, the distance from the supporting plate to the cover plate is equal to the distance from the threaded groove to the screw rod, the distance from the supporting plate to the cover plate is greater than the thickness of the shell, and the distance from the end of the guard plate away from the cover plate to the supporting plate is less than the distance from the supporting plate to the cover plate.
[0016] The utility model discloses the beneficial effect of:
[0017] When the filter plate is installed, the shell is aligned with the position of the mounting groove, after alignment, the mounting plate is sent into the feeding pipe, in the process of sending, the clamping block will enter the clamping groove and contact the stop block, after contacting, the shell is pushed, the clamping block is deformed under the action of the stop block, and the clamping block moves to the position away from the stop block in the clamping groove, the clamping block is completely entered into the clamping groove by continuing to push the shell, after the clamping block is completely entered into the clamping groove, the triangular part at the end of the clamping block will pass the stop block, at this time, the clamping block will reset, after the clamping block resets, the triangular part at the end of the clamping block will contact the stop block, at this time, the stop block will block the clamping block, so that the shell is fixed, under the cooperation of the clamping block and the clamping groove, the shell is fixed more stably, after the shell is fixed, the filter plate will correspond to the middle part of the feeding pipe, when the material is poured, the purpose of filtering slurry can be achieved.
[0018] When the filter plate needs to be replaced, the two pressing blocks are pressed at the same time, the pressing blocks enter the clamping slots to extrude the clamping blocks, the clamping blocks are deformed and move away from the blocking blocks after being extruded, the blocking blocks no longer block the clamping blocks, and under the cooperation of the triangular part at the end of the clamping block and the pressing rod, the pressing rod extrudes the clamping block out of the clamping slot, so that a distance is formed between the shell and the feeding pipe, thereby facilitating the removal of the shell, and after the shell is removed, the filter plate can be replaced under the cooperation of the dovetail block and the dovetail groove, the shell is convenient to disassemble and assemble, and the filter plate is convenient to replace.
[0019] Before the filter plate is replaced, the guard plate needs to be moved into the sleeve plate by the supporting plate, and in the process of moving the guard plate into the sleeve plate, the guard plate extrudes the second spring, and the second spring is contracted and stores the restoring force after being extruded. After the supporting plate is moved to the position where the supporting plate is attached to the sleeve plate, the threaded groove and the screw rod are in correspondence, and the guard plate also moves away from the shell and no longer blocks the shell. At this time, the screw rod is rotated to make the screw rod enter the threaded groove to fix the guard plate. After the guard plate is fixed, the shell can be taken out to replace the filter plate. After the replacement of the filter plate is completed, the screw rod is rotated again to make the screw rod move out of the threaded groove. After the screw rod moves out, the guard plate loses the fixation and is reset under the action of the restoring force of the second spring. The guard plate is prevented from being separated from the sleeve plate under the action of the baffle, and the guard plate blocks the shell after being reset, thereby enhancing the stability of the shell. BRIEF DESCRIPTION OF DRAWINGS
[0020] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without any creative effort.
[0021] Figure 1 It is a perspective view of the hydraulic motor driven pump of the present application;
[0022] Figure 2 It is a sectional view of the feeding pipe in the hydraulic motor driven pump of the present application;
[0023] Figure 3 It is Figure 2 It is a local enlarged view of A in the figure;
[0024] Figure 4 It is an exploded view of the mounting plate in the hydraulic motor driven pump of the present application;
[0025] Figure 5 It is a sectional view of the guard plate in the hydraulic motor driven pump of the present application.
[0026] In the drawings, the components represented by the numbers are listed as follows:
[0027] 1, hydraulic motor drive pump body; 2, mounting groove; 3, gasket; 4, dovetail block; 5, pressing rod; 6, guard plate;
[0028] 11, feed pipe;
[0029] 201, sealing groove; 21, shell; 22, mounting plate; 23, filter plate; 24, clamping block; 25, clamping groove; 26, stop block;
[0030] 41, dovetail groove;
[0031] 51, sliding groove; 52, pressing block; 53, first spring;
[0032] 61, cover plate; 62, second spring; 63, threaded groove; 64, screw; 65, supporting plate; 66, baffle. DETAILED DESCRIPTION
[0033] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0034] Please refer to Figure 1 - Figure 5 As shown in the figure, a hydraulic motor drive pump comprises a hydraulic motor drive pump body 1, a feed pipe 11 is connected to the end flange of the hydraulic motor drive pump body 1, and the feed pipe 11 is used to send materials into the hydraulic motor drive pump body 1.
[0035] A semicircular mounting groove 2 is formed on the outer side of the feed pipe 11, and the mounting groove 2 is used to send a filter plate 23 into the feed pipe 11.
[0036] The feed pipe 11 is provided with a semicircular shell 21 at the position corresponding to the mounting groove 2, and the size of the shell 21 is the same as that of the mounting groove 2. Through this arrangement, the position of the filter plate 23 can be accurately positioned, so that the filter plate 23 can be located in the middle of the feed pipe 11.
[0037] A circular mounting plate 22 is mounted in the middle of the shell 21, and the mounting plate 22 is used to carry the filter plate 23 and assist in sealing the feed pipe 11.
[0038] The mounting plate 22 is connected with the filter plate 23 in the middle, and the filter plate 23 is used to filter the slurry in the materials.
[0039] The mounting plate 22 is connected with a ring of sealing pads 3 on both sides, the sealing pads 3 are connected between the inner diameter and the outer diameter of the mounting plate 22, and the sealing pads 3 are used for sealing the feed pipe 11.
[0040] The outer diameter of the mounting plate 22 is greater than the inner diameter of the feed pipe 11, and in this way, the feed pipe 11 can be sealed.
[0041] The inner diameter of the mounting plate 22 is equal to the inner diameter of the feed pipe 11, and in this way, the material can pass through the feed pipe 11.
[0042] The feed pipe 11 is provided with a sealing groove 201 corresponding to the position of the sealing pad 3, the sealing pad 3 is attached to the sealing groove 201, and the sealing end cooperates with the sealing groove 201 to seal the feed pipe 11.
[0043] The diameter of the sealing groove 201 is equal to the outer diameter of the mounting plate 22, and in this way, after the mounting plate 22 is installed in the feed pipe 11, the outer wall of the mounting plate 22 will be in contact with the inner wall of the feed pipe 11, thereby limiting the position of the mounting plate 22.
[0044] The mounting plate 22 is connected with a plurality of dovetail blocks 4 arranged uniformly outside the position corresponding to the shell 21, the shell 21 is provided with a plurality of dovetail grooves 41 arranged uniformly corresponding to the position of the dovetail block 4, the dovetail block 4 is inserted into the dovetail groove 41, and through the cooperation of the dovetail block 4 and the dovetail groove 41, the mounting plate 22 can be fixed on the shell 21, and the mounting plate 22 can be quickly detached from the shell 21, thereby facilitating the replacement of the filter plate 23.
[0045] The shell 21 is connected with a plastic clamping block 24 at the middle of both ends corresponding to the position of the feed pipe 11, and the clamping block 24 is used to fix the shell 21.
[0046] The feed pipe 11 is provided with a clamping groove 25 corresponding to the position of the clamping block 24, and the clamping groove 25 is used to accommodate the clamping block 24.
[0047] The end of the clamping block 24 away from the shell 21 is triangular, the clamping groove 25 is connected with a stop block 26 corresponding to one side of the triangular short side of the clamping block 24, the clamping block 24 is attached to the stop block 26, and the clamping block 24 cooperates with the stop block 26 to fix the shell 21 on the feed pipe 11.
[0048] The feed pipe 11 is provided with a pressing rod 5 corresponding to the end of the clamping block 24 away from the shell 21, and the pressing rod 5 is used to press the clamping block 24 away from the stop block 26, so that the shell 21 loses fixation.
[0049] The end of the pressing rod 5 close to the clamping block 24 is semicircular, and in this way, when the clamping block 24 is pressed, it can ensure that the pressing rod 5 is always in contact with the clamping block 24 and can smoothly press the clamping block 24.
[0050] The feeding pipe 11 is provided with a sliding groove 51 corresponding to the position of the pressing rod 5, and the pressing rod 5 is slidingly connected in the sliding groove 51, which is used to limit the position of the pressing rod 5 and prevent the position of the pressing rod 5 from deviating.
[0051] The pressing rod 5 is connected with a pressing block 52 at the end away from the clamping block 24, which is used to provide a larger pressing area and facilitate the staff to press the pressing rod 5.
[0052] The first spring 53 is connected between the pressing block 52 and the feeding pipe 11, and the first spring 53 is located outside the pressing rod 5, which is used to reset the pressing rod 5 and the pressing block 52.
[0053] In specific use, when the filter plate 23 is installed, the shell 21 is aligned with the position of the installation slot 2, and after alignment, the installation plate 22 is sent into the feeding pipe 11. During the sending process, the clamping block 24 will enter the clamping groove 25 and contact the stop block 26. After contacting, the shell 21 is pushed, so that the clamping block 24 is deformed under the action of the stop block 26, and the clamping block 24 moves to the position away from the stop block 26 in the clamping groove 25. Continue to push the shell 21 to make the clamping block 24 completely enter the clamping groove 25. After the clamping block 24 completely enters the clamping groove 25, the triangular part at the end of the clamping block 24 will pass the stop block 26. At this time, the clamping block 24 will reset, and the triangular part at the end of the clamping block 24 will contact the stop block 26. At this time, the stop block 26 will block the clamping block 24, so that the shell 21 is fixed. Under the cooperation of the clamping block 24 and the clamping groove 25, the shell 21 is fixed more stably. After the shell 21 is fixed, the filter plate 23 will correspond to the middle part of the feeding pipe 11. When the material is poured in, the purpose of filtering the slurry can be achieved.
[0054] When it is necessary to replace the filter plate 23, the two pressing blocks 52 are pressed at the same time, so that the pressing block 52 enters the clamping groove 25 to extrude the clamping block 24. After the clamping block 24 is extruded, it will be deformed and away from the stop block 26. After the clamping block 24 is away from the stop block 26, the stop block 26 no longer blocks the clamping block 24, and under the cooperation of the triangular part at the end of the clamping block 24 and the pressing rod 5, the pressing rod 5 will extrude the clamping block 24 out of the clamping groove 25, so that a distance is generated between the shell 21 and the feeding pipe 11, thereby facilitating the shell 21 to be removed. After the shell 21 is removed, the dovetail block 4 and the dovetail groove 41 can be used to replace the filter plate 23. The shell 21 is convenient to disassemble and assemble, and the filter plate 23 is also convenient to replace.
[0055] The feeding pipe 11 is provided with a semicircular guard plate 6 corresponding to the position of the shell 21 outside, which is used to strengthen the stability of the shell 21 and the installation plate 22.
[0056] A semicircular sleeve plate 61 is connected to the end of the outer side of the feeding pipe 11 away from the shell 21, the guard plate 6 is slidingly connected in the sleeve plate 61, the sleeve plate 61 is used to limit the position of the guard plate 6, avoiding the deviation of the guard plate 6.
[0057] A plurality of second springs 62 are connected between the guard plate 6 and the sleeve plate 61, the second springs 62 are used to reset the guard plate 6.
[0058] A threaded groove 63 is formed in the position of the guard plate 6 close to the sleeve plate 61, a screw rod 64 is threadedly connected to the position of the sleeve plate 61 close to the threaded groove 63, the screw rod 64 is threadedly matched with the threaded groove 63, through the cooperation of the screw rod 64 and the threaded groove 63, the sliding plate can be fixed.
[0059] A baffle plate 66 is connected to the side of the outer side of the feeding pipe 11 away from the sleeve plate 61, the guard plate 6 is attached to the baffle plate 66, the baffle plate 66 is used to block the guard plate 6, limiting the position of the guard plate 6, so that the guard plate 6 is always outside the shell 21.
[0060] A supporting plate 65 is connected to the outer side of the guard plate 6, the supporting plate 65 is used to assist the movement of the position of the guard plate 6.
[0061] The distance from the supporting plate 65 to the sleeve plate 61 is equal to the distance from the threaded groove 63 to the screw rod 64, through this setting mode, after the supporting plate 65 contacts the sleeve plate 61, the threaded groove 63 will correspond to the screw rod 64, so as to facilitate finding the fixed position of the guard plate 6.
[0062] The distance from the supporting plate 65 to the sleeve plate 61 is greater than the thickness of the shell 21, and the distance from the end of the guard plate 6 away from the sleeve plate 61 to the supporting plate 65 is less than the distance from the supporting plate 65 to the sleeve plate 61, through this setting mode, after the guard plate 6 is moved, it can be ensured that the shell 21 is no longer blocked by the guard plate 6.
[0063] In specific use, before replacing the filter plate 23, the supporting plate 65 needs to be actuated to make the guard plate 6 enter the sleeve plate 61, in the process of the guard plate 6 entering the sleeve plate 61, the guard plate 6 will extrude the second spring 62, the second spring 62 will contract and store the restoring force after being extruded, after the supporting plate 65 is actuated to the position of being attached to the sleeve plate 61, the threaded groove 63 will just correspond to the screw rod 64, and the guard plate 6 will also be away from the shell 21, no longer blocking the shell 21, at this time, the screw rod 64 is rotated to make the screw rod 64 enter the threaded groove 63, fixing the guard plate 6, after the guard plate 6 is fixed, the shell 21 can be taken out to replace the filter plate 23, after the replacement of the filter plate 23 is completed, the screw rod 64 is rotated again to make the screw rod 64 move out of the threaded groove 63, after the screw rod 64 moves out, the guard plate 6 loses the fixation, under the action of the restoring force of the second spring 62, the guard plate 6 will reset, under the action of the baffle plate 66, the guard plate 6 is prevented from separating from the sleeve plate 61, after the guard plate 6 resets, the shell 21 is blocked, the stability of the shell 21 is enhanced.
[0064] In the description of the specification, the description of the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0065] The above is only an example and description of the structure of the utility model, and those skilled in the art can make various modifications or supplements to the described specific embodiments or replace them with similar ways, as long as they do not deviate from the structure of the utility model or exceed the scope defined by the claims, which shall belong to the protection scope of the utility model.
Claims
1. A hydraulic motor driven pump, comprising a hydraulic motor driven pump body (1); a feed pipe (11) is flange connected at the end of the hydraulic motor driven pump body (1); characterized in that A semicircular mounting groove (2) is formed on the outside of the feed pipe (11), and a semicircular shell (21) is arranged at the position corresponding to the mounting groove (2) of the feed pipe (11), a circular mounting plate (22) is mounted in the middle of the shell (21), and a filter plate (23) is connected in the middle of the mounting plate (22); The both ends of the shell (21) are connected with plastic clamping blocks (24) in the middle corresponding to the position of the feed pipe (11), the feed pipe (11) is provided with a clamping groove (25) corresponding to the position of the clamping block (24), one end of the clamping block (24) away from the shell (21) is triangular, a stop block (26) is connected on one side of the clamping groove (25) corresponding to the short side of the triangular clamping block (24), and the clamping block (24) is attached to the stop block (26); The feed pipe (11) is provided with a pressing rod (5) at the end away from the shell (21) corresponding to the clamping block (24), a pressing block (52) is connected at the end of the pressing rod (5) away from the clamping block (24), a first spring (53) is connected between the pressing block (52) and the feed pipe (11), and the first spring (53) is located outside the pressing rod (5).
2. A hydraulic motor drive pump as claimed in claim 1, characterized in that: The size of the shell (21) is the same as that of the mounting groove (2).
3. A hydraulic motor drive pump as claimed in claim 2, wherein: A ring of sealing gaskets (3) is connected on both sides of the mounting plate (22), the sealing gaskets (3) are connected between the inner diameter and the outer diameter of the mounting plate (22), the feed pipe (11) is provided with a sealing groove (201) corresponding to the position of the sealing gasket (3), and the sealing gasket (3) is attached to the sealing groove (201).
4. A hydraulic motor drive pump as claimed in claim 3, wherein: The outer diameter of the mounting plate (22) is greater than the inner diameter of the feed pipe (11), the inner diameter of the mounting plate (22) is equal to the inner diameter of the feed pipe (11), and the diameter of the sealing groove (201) is equal to the outer diameter of the mounting plate (22).
5. A hydraulic motor drive pump as claimed in claim 4, wherein: A plurality of dovetail blocks (4) are connected on the outside of the mounting plate (22) corresponding to the position of the shell (21), a plurality of dovetail grooves (41) are formed on the shell (21) corresponding to the position of the dovetail blocks (4), and the dovetail blocks (4) are inserted into the dovetail grooves (41).
6. A hydraulic motor drive pump as claimed in claim 5, wherein: One end of the pressing rod (5) close to the clamping block (24) is semicircular, the feed pipe (11) is provided with a sliding groove (51) corresponding to the position of the pressing rod (5), and the pressing rod (5) is slidingly connected in the sliding groove (51).
7. A hydraulic motor drive pump as claimed in claim 6, wherein: A semicircular guard plate (6) is arranged on the outside of the feed pipe (11) corresponding to the position of the shell (21), a semicircular cover plate (61) is connected on the outside of the feed pipe (11) corresponding to the end of the guard plate (6) away from the shell (21), the guard plate (6) is slidingly connected in the cover plate (61), and a plurality of evenly arranged second springs (62) are connected between the guard plate (6) and the cover plate (61).
8. A hydraulic motor drive pump as claimed in claim 7, characterised in that: A threaded groove (63) is formed on the guard plate (6) close to the cover plate (61), and a screw rod (64) is threadedly connected on the cover plate (61) close to the threaded groove (63).
9. A hydraulic motor drive pump as claimed in claim 8, characterised in that: The feeding pipe (11) is connected with a baffle (66) on the side away from the sleeve plate (61) of the shield plate (6), the shield plate (6) is attached to the baffle (66), and the shield plate (6) is connected with a supporting plate (65) on the outside.
10. A hydraulic motor drive pump as claimed in claim 9, wherein: The distance from the supporting plate (65) to the sleeve plate (61) is equal to the distance from the threaded groove (63) to the screw rod (64), the distance from the supporting plate (65) to the sleeve plate (61) is greater than the thickness of the shell (21), and the distance from the end of the shield plate (6) away from the sleeve plate (61) to the supporting plate (65) is less than the distance from the supporting plate (65) to the sleeve plate (61).