Multi-connected hydraulic gear pump connecting device

Abstract

The utility model discloses a multi-connected hydraulic gear pump connecting device, which relates to the technical field of gear pumps and comprises a base, the base is a square component with an opening at the top, a plurality of positioning holes are arranged at the front end of the base, two positioning plates are arranged at the opening at the top of the base, clamping plates are arranged at two ends of each positioning plate, and the clamping plates are arranged on the base. A corresponding clamping plate extends out of the front end of the positioning plate, a limiting plate is arranged at the extending end of the positioning plate, a gear pump is installed at the top end of the positioning plate, two positioning clamping plates penetrate through the top of the positioning plate at the two ends of the gear pump, and the bottoms of the positioning clamping plates extend to the position below the positioning plate. According to the utility model, a series of structures are arranged, so that a plurality of gear pumps can be fixed on the same horizontal line, the connection of the plurality of gear pumps is facilitated, the operation is convenient, the manual accurate measurement is not needed, each gear pump can be independently moved, and the independent maintenance, connection and installation are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of gear pumps, in particular to a connection device for a multi-connected hydraulic gear pump. Background Technique

[0002] A multi-connected gear pump refers to a gear pump in which two or more independently working gear pumps are driven by the same transmission shaft. Each pump is usually installed in the same housing, with a compact structure, small size, and convenient for the overall layout of the main machine. It is widely used in construction engineering machinery. The multi-connected hydraulic gear pump belongs to one of the multi-connected gear pumps.

[0003] When the existing gear pumps are installed in a multi-connected manner, it is necessary to install the output shafts of multiple gear pumps in the same orientation and then manually measure and adjust the distance between the output shafts so that the multiple gear pumps are on the same horizontal line. This installation method has complicated operation steps, and the position of a single gear pump cannot be moved after the gear pumps are installed and connected, which is not convenient for maintenance or adjustment. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a connection device for a multi-connected hydraulic gear pump to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A connection device for a multi-connected hydraulic gear pump, including a base. The base is a square component with an open top. A plurality of positioning holes are opened at the front end of the base. Two positioning plates are arranged at the open position at the top of the base. Clamping plates are arranged at both ends of the positioning plates. The front end of the positioning plate extends out of the corresponding clamping plate. A limiting plate is arranged at the extended end of the positioning plate. A gear pump is installed at the top end of the positioning plate. Two positioning clamping plates penetrate through the top of the positioning plates at both ends of the gear pump, and the bottom of the positioning clamping plates extends below the positioning plates. Brackets are arranged on both sides of the extended ends of the two positioning clamping plates. A column penetrates through and is connected between the two brackets on one side of the two positioning clamping plates. A screw rod is threaded through and connected between the two brackets on the other side of the two positioning clamping plates. Support rods are arranged at the first ends and the last ends of the column and the screw rod. The screw rod extends out of the corresponding support rod at any one end. A servo motor is arranged at the extended end of the screw rod. Two cushion blocks are arranged at the top edge of the top of the positioning plates on both sides of the gear pump. Two sliding grooves are opened at the top of each of the two cushion blocks. A reinforcement frame is arranged on the top ends of the two cushion blocks through the sliding grooves. Two threaded columns are threaded at the upper ends of the two sides of the reinforcement frame. A lower pressing plate is connected to the outer surfaces of the two threaded columns together, and one end of the lower pressing plate extends to the top of the gear pump. Fixed knobs are threaded on the outer surfaces of the four threaded columns at the top end of the lower pressing plate.

[0006] Preferably, two reinforcing struts are provided at the relative edges of the tops of the two lower pressing plates. When the two lower pressing plates clamp the gear pump, the lower pressing plates are reinforced by the reinforcing struts, so that the gear pump can be firmly fixed.

[0007] Preferably, two of the reinforcing struts form a group, and a reinforcing screw is commonly penetrated and connected between the two reinforcing struts in each group. The reinforcing screw fixes the reinforcing struts, so that the lower pressing plate locks the gear pump.

[0008] Preferably, a compression spring is commonly connected between the bottom end of the lower pressing plate on the outer surface of the four threaded posts and the top end of the reinforcing frame. When the fixing knob is twisted to press down the lower pressing plate to make the lower pressing plate descend, the compression spring will be compressed, so that the lower pressing plate exerts a thrust on the fixing knob when it is stressed, achieving a locking effect on the fixing knob.

[0009] Preferably, two positioning pins are commonly penetrated and connected between the limiting plate and any two positioning holes at the front end of the base. When the positioning plate moves to the required position to drive the gear pump to be in the connection position, the limiting plate is locked at the front end of the base through the positioning pins, so that the gear pump will not be displaced.

[0010] Preferably, mounting plates are provided at the bottom edges on both sides of the base. After the gear pump is mounted on the top of the base, the base is mounted on the surface of the device through the mounting plates to ensure the stability of the gear pump.

[0011] Compared with the prior art, the beneficial effects of the present utility model are:

[0012] 1. For this multi-connected hydraulic gear pump connecting device, through the cooperation of the positioning plate and the positioning clamping plate, when connecting, the servo motor is started to drive the screw to rotate. The positioning clamping plate is limited by the column, and the positioning clamping plate is driven by the screw to perform a linear motion with the same stroke, pushing the gear pump to be locked in the middle of the gear pump. Then, the reinforcing frame is pushed to move along the chute on the top of the cushion block to fix both sides of the gear pump. Then, the fixing knob is rotated to press down the lower pressing plate to make the lower pressing plate compress the compression spring. The lower pressing plate exerts a thrust on the fixing knob when it is stressed, achieving a locking effect on the fixing knob. The lower pressing plate reinforces the top of the gear pump. Then, the reinforcing screw penetrates through the two corresponding reinforcing struts, so that the lower pressing plate is firmly fixed to lock the gear pump, enabling the output shafts of several gear pumps to be fixed on the same horizontal line, facilitating the connection of multiple gear pumps, with convenient operation and no need for manual precise measurement.

[0013] 2. The multi-connected hydraulic gear pump connecting device uses a movable positioning plate. After multiple gear pumps are respectively installed on the top of the positioning plate, the position of the positioning plate is moved to move the multiple gear pumps to a position convenient for connection. Then, positioning pins are inserted into the limiting plate and the front end of the base to lock the positioning plate on the top of the base, so that the gear pumps will not be displaced, and each gear pump can be individually moved in position, facilitating individual maintenance and connection installation. Description of the Drawings

[0014] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0015] Figure 2 It is a schematic diagram of the structure of the positioning plate of the present invention;

[0016] Figure 3 For the present invention Figure 2 The enlarged schematic diagram of the structure at A in;

[0017] Figure 4 It is a bottom-up perspective schematic diagram of the structure of the positioning plate of the present invention.

[0018] In the figure: 1. Base; 2. Installation plate; 3. Positioning hole; 4. Positioning plate; 5. Limiting plate; 6. Positioning pin; 7. Slide groove; 8. Gear pump; 9. Clamping plate; 10. Cushion block; 11. Reinforcement frame; 12. Reinforcement screw; 13. Positioning clamping plate; 14. Lower pressing plate; 15. Fixed knob; 16. Compression spring; 17. Reinforcement strut; 18. Screw rod; 19. Servo motor; 20. Bracket; 21. Column; 22. Support rod; 23. Threaded column. Detailed Implementation Modes

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0020] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation to the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0021] As Figures 1 to 4 shown, a connection device for a multi-connected hydraulic gear pump in this embodiment includes a base 1. The base 1 is a square component with an open top. A plurality of positioning holes 3 are provided at the front end of the base 1. Two positioning plates 4 are arranged at the open top position of the base 1. Clamping plates 9 are arranged at both ends of the positioning plate 4. The front end of the positioning plate 4 extends out of the corresponding clamping plate 9. The positioning plate 4 is installed on the top of the base 1 through the clamping plate 9. The positioning plate is limited by the clamping plate 9 and performs a linear motion on the top of the base 1. A limiting plate 5 is arranged at the extending end of the positioning plate 4. The positioning can be locked through the limiting plate 5, so that the positioning plate 4 will not displace independently. A gear pump 8 is installed at the top end of the positioning plate 4. Two positioning clamping plates 13 penetrate through the top of the positioning plate 4 at both ends of the gear pump 8, and the bottom of the positioning clamping plate 13 extends below the positioning plate 4. Brackets 20 are arranged on both sides of the extending ends of the two positioning clamping plates 13. A column 21 is commonly penetrated and connected between the two brackets 20 on one side of the two positioning clamping plates 13. A screw rod 18 is commonly penetrated and threadedly connected between the two brackets 20 on the other side of the two positioning clamping plates 13. The positioning clamping plate 13 is limited by the column 21, and the positioning clamping plate 13 is driven by the screw rod 18 to perform a linear motion with the same stroke, positioning the gear pump 8 at a predetermined position, so that the output shafts of multiple gear pumps 8 face the same direction, facilitating the installation of multiple gear pumps 8. Support rods 22 are arranged at the first ends and the last ends of the column 21 and the screw rod 18. Any end of the screw rod 18 extends out of the corresponding support rod 22. A servo motor 19 is arranged at the extending end of the screw rod 18. The servo motor 19 drives the screw rod 18 to rotate to drive the two positioning clamping plates 13 to perform a linear motion. Two cushion blocks 10 are arranged at the top edge of the top end of the positioning plate 4 on both sides of the gear pump 8. Two sliding grooves 7 are provided at the top of the two cushion blocks 10. A reinforcing frame 11 is arranged at the top end of the two cushion blocks 10 through the sliding grooves 7. The reinforcing frame 11 can move on the top end of the cushion block 10 along the trajectory of the sliding groove 7 to fix the gear pump 8. Two threaded columns 23 are threadedly connected to the upper ends of both sides of the reinforcing frame 11. A lower pressing plate 14 is commonly connected to the outer surfaces of the two threaded columns 23, and one end of the lower pressing plate 14 extends to the top of the gear pump 8. Fixing knobs 15 are threadedly connected to the outer surfaces of the four threaded columns 23 at the top end of the lower pressing plate 14. By rotating the fixing knobs 15, the fixing knobs 15 will perform a linear motion downward or upward on the outer surface of the threaded column 23, enabling the lower pressing plate 14 to clamp and fix or loosen the gear pump 8.

[0022] Specifically, two reinforcing support rods 17 are arranged at the relative edge parts at the top end of the two lower pressing plates 14. When the two lower pressing plates 14 clamp the gear pump 8, the lower pressing plates 14 are reinforced through the reinforcing support rods 17, so that the gear pump 8 can be fixed tightly.

[0023] Further, two reinforcing rods 17 are grouped together. A reinforcing screw 12 is connected through both of the two reinforcing rods 17 in each group, and the reinforcing screw 12 fixes the reinforcing rods 17, so that the lower pressing plate 14 locks the gear pump 8.

[0024] Further, a compression spring 16 is connected between the bottom end of the lower pressing plate 14 on the outer surface of the four threaded posts 23 and the top end of the reinforcing frame 11. When the fixing knob 15 is turned to press down the lower pressing plate 14, the lower pressing plate 14 will squeeze the compression spring 16, so that the lower pressing plate 14 applies a thrust force to the fixing knob 15 under the action of force, achieving a locking effect on the fixing knob 15.

[0025] Further, two positioning pins 6 are connected through any two positioning holes 3 at the front end of the base 1 and the limiting plate 5. When the positioning plate 4 is moved to the required position to drive the gear pump 8 to be in the connection position, the limiting plate 5 is locked at the front end of the base 1 through the positioning pins 6, so that the gear pump 8 will not be displaced.

[0026] Furthermore, mounting plates 2 are provided at the bottom edges on both sides of the base 1. After the gear pump 8 is installed on the top of the base 1, the base 1 is installed on the surface of the equipment through the mounting plates 2 to ensure the stability of the gear pump 8.

[0027] The usage method of this embodiment is as follows: When connecting the gear pump 8, first place the gear pump 8 on the top of the positioning plate 4 with the output shaft facing the predetermined position. Then start the servo motor 19 to drive the screw 18 to rotate. The positioning clamping plate 13 is limited by the column 21, and the positioning clamping plate 13 is driven by the screw 18 to perform a linear motion with the same stroke, pushing the gear pump 8 to be locked in the middle of the positioning plate 4, so that the output shafts of multiple gear pumps 8 are on the same horizontal line, which is convenient for connection. Then push the reinforcing frame 11 to move on the top of the cushion block 10 along the track of the chute 7 to fix both sides of the gear pump 8. Then rotate the fixing knob 15 to press down the lower pressing plate 14 so that the lower pressing plate 14 squeezes the compression spring 16. The lower pressing plate 14 applies a thrust force to the fixing knob 15 under the action of force, achieving a locking effect on the fixing knob 15. The lower pressing plate 14 reinforces the top of the gear pump 8. Then pass the reinforcing screw 12 through the two corresponding reinforcing rods 17, so that the lower pressing plate 14 is fixed tightly to lock the gear pump 8, ensuring that the gear pump 8 will not be displaced during operation. After installing multiple gear pumps 8 on the top of the positioning plate 4 respectively, move the position of the positioning plate 4 to move multiple gear pumps 8 to a position convenient for connection. Then insert the positioning pins 6 into the limiting plate 5 and the front end of the base 1 to lock the positioning plate 4 on the top of the base 1, so that the gear pump 8 will not be displaced.

[0028] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or perform equivalent replacements on some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A multi-connected hydraulic gear pump connecting device, comprising a base (1), characterized in that: The base (1) is a square component with an open top. A number of positioning holes (3) are provided at the front end of the base (1). Two positioning plates (4) are arranged at the open top position of the base (1). Clamping plates (9) are provided at both ends of the positioning plate (4). The front end of the positioning plate (4) extends out of the corresponding clamping plate (9). A limiting plate (5) is provided at the extended end of the positioning plate (4). A gear pump (8) is installed at the top end of the positioning plate (4). Two positioning clamping plates (13) penetrate through the top of the positioning plates (4) at both ends of the gear pump (8), and the bottom of the positioning clamping plate (13) extends below the positioning plate (4). Brackets (20) are provided on both sides of the extended ends of the two positioning clamping plates (13). A column (21) is commonly penetrated and connected between the two brackets (20) on one side of the two positioning clamping plates (13). A screw rod (18) is commonly penetrated and threadedly connected between the two brackets (20) on the other side of the two positioning clamping plates (13). Support rods (22) are provided at the head and tail of the column (21) and the screw rod (18). Any one end of the screw rod (18) extends out of the corresponding support rod (22). A servo motor (19) is provided at the extended end of the screw rod (18). Two cushion blocks (10) are provided at the top edge of the positioning plates (4) on both sides of the gear pump (8). Two sliding grooves (7) are provided at the top of the two cushion blocks (10). A reinforcement frame (11) is arranged on the top of the two cushion blocks (10) through the sliding grooves (7). Two threaded columns (23) are threadedly connected to the upper ends of both sides of the reinforcement frame (11). A lower pressing plate (14) is commonly connected to the outer surfaces of the two threaded columns (23), and one end of the lower pressing plate (14) extends to the top of the gear pump (8). Fixing knobs (15) are threadedly connected to the outer surfaces of the four threaded columns (23) at the top end of the lower pressing plate (14).

2. The multi-connected hydraulic gear pump connection device according to claim 1, characterized in that: Two reinforcing support rods (17) are provided at the relative edge parts of the top ends of the two lower pressing plates (14).

3. The connection device of a multi-connected hydraulic gear pump according to claim 2, characterized in that: The two reinforcing support rods (17) form a group, and a reinforcing screw (12) is commonly penetrated and connected between the two reinforcing support rods (17) in each group.

4. A multi-connected hydraulic gear pump connection device according to claim 1, characterized in that: Compression springs (16) are commonly connected to the bottom end of the lower pressing plate (14) and the top end of the reinforcement frame (11) on the outer surfaces of the four threaded columns (23).

5. A multi-connected hydraulic gear pump connection device according to claim 1, characterized in that: Two positioning pins (6) are commonly penetrated and connected between the limiting plate (5) and any two positioning holes (3) at the front end of the base (1).

6. The multi-connected hydraulic gear pump connection device according to claim 1, characterized in that: Mounting plates (2) are provided at the bottom edge parts on both sides of the base (1).

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