Viscous fluid pumpable performance detection device for double-screw pump production

Abstract

The invention discloses a device for detecting the pumpability of a viscous fluid for production of a double-screw pump, relates to the field of fluidity detection of the viscous fluid, and solves the problems that when an existing device for detecting the pumpability of the viscous fluid for production of the double-screw pump is used, the detection result is not accurate and efficient enough; the device comprises a pump shell, an output mechanism and a butt joint mechanism, an input pipe and an output pipe are connected to the pump shell in a communicating mode, the output mechanism comprises a first driving shaft and a second driving shaft, and the butt joint mechanism comprises a butt joint piece and an adjusting piece; the output mechanism drives the first driving shaft and the second driving shaft to rotate, fluid is pumped into the pump shells from the input pipe and conveyed to the output pipe to be discharged, the first driving shaft and the second driving shaft on the two pump shells are coaxially fixed in a butt joint mode through the butt joint mechanism, and the opening size of the input pipe and the opening size of the output pipe can be synchronously adjusted; the pumpability of the fluid is judged by comparing the conveying amount of the fluid in the two sets of pump shells.

Description

Technical Field

[0001] The invention relates to the technical field of viscous fluid flowability detection, in particular to a viscous fluid pumpability detection device for twin-screw pump production. Background Art

[0002] Pumpability refers to the characteristics and capabilities of a fluid (such as concrete, mud, oil, etc.) during the pumping process, which is affected by factors such as the viscosity of the fluid, the inner diameter of the pipe, and the pressure intensity of the delivery. In construction, good concrete pumpability can ensure that the concrete can be smoothly delivered to the designated location, improve construction efficiency and quality, and reduce pipe blockage and other faults. In oil extraction and transportation, the pumpability of crude oil affects the extraction efficiency and transportation costs. By improving the pumpability of crude oil, the transportation energy consumption can be reduced and the economic benefits can be improved. The twin-screw pump is a conveying equipment with a high pumping intensity, which can pump some fluids with strong viscosity.

[0003] Existing viscous fluid pumpability performance testing devices mostly use a method of directly testing the viscosity of the fluid, and do not perform multi-directional control testing on parameters such as delivery volume and delivery pressure during pumping performance testing. Since the pumpability of some fluids with higher viscosities is better than that of some fluids with relatively lower viscosities, the test results are not accurate enough. In addition, although different twin-screw pumps have the same marked drive delivery strength, they are affected by factors such as internal structure accuracy and friction, resulting in different output values. Existing viscous fluid pumpability performance testing devices for twin-screw pump production cannot perform synchronous multi-directional testing of the output strength of the twin-screw pump and the pumpability of the fluid, and are not convenient and efficient to use. Summary of the invention

[0004] The object of the present invention is to provide a device for detecting the pumpability of viscous fluids for use in the production of twin-screw pumps, which is convenient for improving detection accuracy and efficiency, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: A viscosity fluid pumpability detection device for the production of a twin-screw pump, including a pump housing, an output mechanism, and a docking mechanism. An input pipe and an output pipe are connected to the pump housing in a communicating manner. The output mechanism includes a first drive shaft and a second drive shaft rotatably connected to the pump housing. A driving member is provided on the pump housing for driving the first drive shaft and the second drive shaft to rotate, and pumping the fluid from the input pipe into the pump housing and discharging it to the output pipe. The docking mechanism includes a docking member for coaxially docking and fixing the first drive shaft and the second drive shaft on two groups of pump housings. An adjusting member is provided on the pump housing for synchronously adjusting the opening sizes of the input pipe and the output pipe. The adjusting members on two adjacent groups of pump housings can be docked and synchronously controlled. The docking mechanism can dock two groups of pump housings and directly drive the structures in the two groups of pump housings to operate through the driving member on one side. By comparing the fluid delivery amounts in the two groups of pump housings, the pumpability of the fluid is compared and judged, and at the same time, the service performance of the structures in the two groups of pump housings is assisted in judging, which is convenient for improving the detection accuracy and efficiency.

[0006] Preferably, the docking member includes a driving cylinder fixedly installed at one end of the first drive shaft. One end of the second drive shaft is coaxially and fixedly connected with a driving rod. A plurality of rotating grooves are uniformly formed on the outer wall of the driving rod. A spring winding rotating shaft is provided in the rotating groove. A ratchet tooth is fixedly connected to the spring winding rotating shaft and is rotatably connected to the rotating groove. A plurality of inclined tooth blocks are uniformly fixedly connected to the inner wall of the driving cylinder. A control member is provided on the ratchet tooth for automatically fitting the ratchet tooth to the inclined tooth block when the ratchet tooth is inserted into the driving cylinder, which is convenient for coaxially docking and fixing the first drive shaft and the second drive shaft on two groups of pump housings.

[0007] Preferably, the control member includes a magnet block fixedly installed on the outer wall of the ratchet tooth. The driving cylinder and the inclined tooth blocks are both made of magnetic metal materials. One end of the driving cylinder is coaxially and fixedly connected with a fixing ring. A plurality of guiding teeth are uniformly fixedly connected to the fixing ring. The fixing ring and the guiding teeth are both made of non-magnetic metal materials, which is convenient for controlling the ratchet tooth to automatically fit the inclined tooth block when the ratchet tooth is inserted into the driving cylinder.

[0008] Preferably, the adjusting member includes a first fixing cover fixedly installed on the outer wall of one end of the pump housing. A control rod is rotatably connected to the first fixing cover. Fixing cylinders are respectively fixedly connected to the input pipe and the output pipe. A docking pipe is connected to the fixing cylinder in a communicating manner. A synchronizing member is provided on the control rod for synchronously adjusting the communicating states of two groups of fixing cylinders, which is convenient for synchronously adjusting the opening sizes of the input pipe and the output pipe.

[0009] Preferably, the synchronizing member includes a rotating column rotatably connected to the inner wall of the fixed cylinder. A conveying port communicating with the docking pipe is formed on the rotating column. One ends of the input pipe and the output pipe can both communicate with the conveying port. One side of the rotating column is coaxially and fixedly connected with a connecting rod. A rotating member capable of synchronously controlling the rotating states of the two connecting rods is arranged on the control rod, facilitating synchronous adjustment of the communicating states of the two fixed cylinders.

[0010] Preferably, the rotating member includes two worm gears fixedly installed on the control rod. One ends of the two connecting rods are respectively coaxially and fixedly connected with worm wheels capable of meshing with the adjacent worm gears. One side of one worm wheel is coaxially and fixedly connected with an insertion pipe, and one side of the other worm wheel is coaxially and fixedly connected with an insertion rod capable of being inserted into the insertion pipe, facilitating synchronous control of the rotating states of the two connecting rods.

[0011] Preferably, the output mechanism further includes a fixed box fixedly installed inside the pump housing. Two conveying screws are respectively fixedly connected to the first driving shaft and the second driving shaft. The spiral directions of the two conveying screws on the first driving shaft are opposite and respectively mesh with the two conveying screws on the second driving shaft. A conveying groove is formed in the fixed box. The outer wall of the conveying screw is rotationally attached to the inner wall of the conveying groove. The middle of the conveying groove communicates with one end of the output pipe, and both ends of the conveying groove communicate with the input pipe, facilitating fluid conveyance.

[0012] Preferably, an arc-shaped groove is formed on the outer wall of the fixed cylinder. A limiting block is fixedly connected to the connecting rod. The limiting block is slidably connected to the inner wall of the arc-shaped groove, facilitating control and limitation of the rotation angle of the rotating column.

[0013] Preferably, the driving member includes two driving gears respectively coaxially and fixedly installed on the first driving shaft and the second driving shaft. The two driving gears mesh with each other. A second fixed cover is fixedly connected to the pump housing. A driving motor is fixedly connected to the second fixed cover. The output end of the driving motor is coaxially and fixedly connected to one end of the first driving shaft, facilitating synchronous driving of the first driving shaft and the second driving shaft to rotate and operate.

[0014] Preferably, knobs are respectively coaxially and fixedly connected to both ends of the control rod, facilitating rotation operation of the control rod.

[0015] Compared with the prior art, the beneficial effects of the present invention are: A viscosity fluid pumpability detection device for twin-screw pump production provided by the present invention solves the problems that when the existing viscosity fluid pumpability detection device for twin-screw pump production is used, the variable control is single, the detection result is not accurate and efficient enough, and it is difficult to assist in detecting the running efficiency of the pump body itself. The output mechanism drives the first drive shaft and the second drive shaft to rotate, and pumps the fluid from the input pipe into the pump housing and conveys it to the output pipe for discharge. The docking mechanism coaxially docks and fixes the first drive shaft and the second drive shaft on two groups of pump housings, and can synchronously adjust the opening sizes of the input pipe and the output pipe. The adjusting parts on adjacent two groups of pump housings can be docked and synchronously controlled. The driving part on one side directly drives the structures in the two groups of pump housings to operate. By comparing the conveying amounts of the fluid in the two groups of pump housings, the pumpability of the fluid is compared and judged, and at the same time, the performance of the structures in the two groups of pump housings is assisted in judging. The device has a simple structure, is flexible and convenient to dock and use, can more intuitively judge the detection result, improves the variable control in the process of detecting the pumpability of the fluid, and the detection result is more comprehensive and accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic diagram of the overall structure of the present invention; Figure 2 is a schematic diagram of the structure during the docking process of the present invention; Figure 3 is Figure 2 an enlarged view of area A in Figure 4 is a schematic diagram of a partial structure of the output mechanism of the present invention; Figure 5 is a schematic diagram of a partial structure of the adjusting part of the present invention; Figure 6 is Figure 5 an enlarged view of area B in Figure 7 is a schematic diagram of a partial structure of the docking mechanism of the present invention; Figure 8 is Figure 7 an enlarged view of area C in Figure 9 is a schematic diagram of a partial structure of the docking part of the present invention.

[0017] In the figure: 1 - pump housing; 2 - input pipe; 3 - output pipe; 4 - output mechanism; 5 - first drive shaft; 6 - second drive shaft; 7 - drive member; 8 - docking mechanism; 9 - docking member; 10 - adjusting member; 11 - drive cylinder; 12 - drive rod; 13 - rotating groove; 14 - spring winding shaft; 15 - ratchet teeth; 16 - helical tooth block; 17 - control member; 18 - magnet block; 19 - fixing ring; 20 - guiding teeth; 21 - first fixing cover; 22 - control rod; 23 - fixing cylinder; 24 - docking pipe; 25 - synchronizing member; 26 - rotating column; 27 - delivery port; 28 - connecting rod; 29 - rotating member; 30 - worm; 31 - worm gear; 32 - inserting pipe; 33 - inserting rod; 34 - fixing box; 35 - delivery screw; 36 - delivery groove; 37 - arc groove; 38 - limiting block; 39 - drive gear; 40 - second fixing cover; 41 - drive motor; 42 - knob. Detailed implementation manners

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying 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 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.

[0019] Please refer to Figures 1 - 9 , the present invention provides a technical solution: a device for detecting the pumpability of viscous fluid in the production of a twin-screw pump, including a pump housing 1, an output mechanism 4 and a docking mechanism 8. An input pipe 2 and an output pipe 3 are connected to the pump housing 1 in a communicating manner. The output mechanism 4 includes a first drive shaft 5 and a second drive shaft 6 rotatably connected to the pump housing 1. A drive member 7 is provided on the pump housing 1 for driving the first drive shaft 5 and the second drive shaft 6 to rotate and pumping the fluid from the input pipe 2 into the pump housing 1 and delivering it to the output pipe 3 for discharge. The docking mechanism 8 includes a docking member 9 for coaxially docking and fixing the first drive shaft 5 and the second drive shaft 6 on two groups of pump housings 1. An adjusting member 10 for synchronously adjusting the opening sizes of the input pipe 2 and the output pipe 3 is provided on the pump housing 1. The adjusting members 10 on two adjacent groups of pump housings 1 can be docked and synchronously controlled. The docking mechanism 8 can dock two groups of pump housings 1 and directly drive the structures in the two groups of pump housings 1 to operate through the drive member 7 on one side. By comparing the delivery amounts of the fluid in the two groups of pump housings 1, the pumpability of the fluid is compared and judged, and at the same time, the service performances of the structures in the two groups of pump housings 1 are assisted in judging.

[0020] The docking part 9 includes a driving cylinder 11 fixedly installed at one end of the first driving shaft 5. One end of the second driving shaft 6 is coaxially and fixedly connected with a driving rod 12. A plurality of groups of rotating grooves 13 are evenly formed on the outer wall of the driving rod 12. A spring rotating shaft 14 is arranged in the rotating groove 13. A ratchet 15 rotatably connected with the rotating groove 13 is fixedly connected to the spring rotating shaft 14. A plurality of groups of inclined tooth blocks 16 are evenly and fixedly connected to the inner wall of the driving cylinder 11. A control part 17 for automatically fitting the ratchet 15 to the inclined tooth block 16 when the ratchet 15 is inserted into the driving cylinder 11 is arranged on the ratchet 15.

[0021] The control part 17 includes a magnet block 18 fixedly installed on the outer wall of the ratchet 15. Both the driving cylinder 11 and the inclined tooth block 16 are made of magnetic metal materials. One end of the driving cylinder 11 is coaxially and fixedly connected with a fixing ring 19. A plurality of groups of guiding teeth 20 are evenly and fixedly connected to the fixing ring 19. Both the fixing ring 19 and the guiding teeth 20 are made of non-magnetic metal materials.

[0022] The adjusting part 10 includes a first fixing cover 21 fixedly installed on the outer wall of one end of the pump housing 1. A control rod 22 is rotatably connected to the first fixing cover 21. Knobs 42 are coaxially and fixedly connected to both ends of the control rod 22 respectively. Fixing cylinders 23 are fixedly connected to both the input pipe 2 and the output pipe 3 respectively. A docking pipe 24 is connected to the fixing cylinder 23 in a communicating manner. A synchronizing part 25 for synchronously adjusting the communicating states of the two groups of fixing cylinders 23 is arranged on the control rod 22.

[0023] The synchronizing part 25 includes a rotating column 26 rotatably connected to the inner wall of the fixing cylinder 23. A conveying port 27 capable of communicating with the docking pipe 24 is formed on the rotating column 26. One ends of both the input pipe 2 and the output pipe 3 can be connected to the conveying port 27 in a communicating manner. A connecting rod 28 is coaxially and fixedly connected to one side of the rotating column 26. An arc-shaped groove 37 is formed on the outer wall of the fixing cylinder 23. A limiting block 38 is fixedly connected to the connecting rod 28. The limiting block 38 is slidably connected to the inner wall of the arc-shaped groove 37. A rotating part 29 capable of synchronously controlling the rotating states of the two groups of connecting rods 28 is arranged on the control rod 22.

[0024] The rotating part 29 includes two groups of worm gears 30 fixedly installed on the control rod 22. One ends of the two groups of connecting rods 28 are coaxially and fixedly connected with worm wheels 31 capable of meshing with the adjacent worm gears 30 respectively. A plugging pipe 32 is coaxially and fixedly connected to the side surface of one worm wheel 31. A plugging rod 33 capable of being plugged into the plugging pipe 32 is coaxially and fixedly connected to the side surface of the other worm wheel 31.

[0025] The output mechanism 4 further includes a fixed box 34 fixedly installed inside the pump housing 1. Two sets of conveying screws 35 are respectively and fixedly connected to the first drive shaft 5 and the second drive shaft 6. The spiral directions of the two sets of conveying screws 35 on the first drive shaft 5 are opposite, and they are respectively meshed with the two sets of conveying screws 35 on the second drive shaft 6. A conveying groove 36 is formed in the fixed box 34. The outer wall of the conveying screw 35 is rotationally attached to the inner wall of the conveying groove 36. The middle of the conveying groove 36 is communicated with one end of the output pipe 3, and both ends of the conveying groove 36 are communicated with the input pipe 2.

[0026] The driving member 7 includes two sets of driving gears 39 respectively and coaxially fixedly installed on the first drive shaft 5 and the second drive shaft 6. The two sets of driving gears 39 are meshed with each other. A second fixed cover 40 is fixedly connected to the pump housing 1. A driving motor 41 is fixedly connected to the second fixed cover 40. The model of the driving motor 41 is preferably YYHS - 40. The output end of the driving motor 41 is coaxially and fixedly connected to one end of the first drive shaft 5.

[0027] In this embodiment, when detecting the pumpability of viscous fluid, the viscous fluid can be communicated with the docking pipe 24 on one side of the input pipe 2. Start the driving motor 41 to drive the first drive shaft 5 to rotate. The first drive shaft 5 drives the second drive shaft 6 to rotate in the opposite direction synchronously through the driving gear 39, so that the conveying screw 35 can rotate and convey, pumping the fluid into the pump housing 1. The fluid is squeezed from both ends of the conveying groove 36 to the middle of the conveying groove 36 and then output from the output pipe 3. By adjusting the variable speed of the driving motor 41 and setting a flow meter at the position of the output pipe 3, the pumpability of the viscous fluid can be preliminarily detected and judged.

[0028] By rotating the knob 42 to make the control rod 22 rotate, the worm 30 can be driven to drive the worm wheel 31 to rotate. The two sets of worm wheels 31 drive the connected connecting rods 28 to rotate synchronously, so that the rotating column 26 rotates in the fixed cylinder 23, thereby changing the size of the communication opening between the conveying port 27 and the docking pipe 24, and synchronously adjusting the fluid conveying volume at the positions of the input pipe 2 and the output pipe 3. The limit block 38 will rotate in the arc-shaped groove 37. When the limit block 38 rotates to one side end position of the arc-shaped groove 37, the conveying port 27 is completely disconnected from the docking pipe 24, closing the fluid conveying. During this process, it is necessary to ensure that the rotation speed of the driving motor 41 is constant. According to the size of the communication opening between the conveying port 27 and the docking pipe 24 and the size of the output fluid flow rate, the relationship between the pumpability of the fluid and the inner diameter of the pipeline conveying can be obtained.

[0029] When it is necessary to compare and detect the performance of two sets of twin-screw pumps, a set of standard twin-screw pumps can be docked with another set of twin-screw pumps to be detected. The first drive shaft 5 is docked with the second drive shaft 6 of the other set, so that the drive rod 12 gradually passes through the fixed ring 19 and reaches the drive cylinder 11. During the process of the drive rod 12 passing through the fixed ring 19, since the fixed ring 19 is made of non-magnetic material, the magnet block 18 will not drive the ratchet teeth 15 to deflect around. The ratchet teeth 15 are driven by the spring winding shaft 14 to keep in a state of fitting with the outer wall of the drive rod 12. When the magnet block 18 reaches the drive cylinder 11, the magnet block 18 is gradually adsorbed around, driving the ratchet teeth 15 to swing around and fit with the surface of the helical tooth block 16, thus realizing the docking operation. At the same time, the insertion rods 33 on the two pump casings 1 are respectively inserted into the insertion pipes 32 on the opposite side, and then the two pump casings 1 are connected and fixed by nuts, and the docking operation of the two sets of twin-screw pumps can be completed. At this time, the input pipes 2 and the output pipes 3 on the two pump casings 1 face in opposite directions.

[0030] It should be noted that when docking the insertion rod 33, it is necessary to pre-rotate the limit blocks 38 on both sides to the same end position of the arc-shaped groove 37 at the same time, so that the angles of the insertion rod 33 and the insertion pipe 32 can be kept consistent, improving the docking efficiency. There is no position limit for the docking of the drive rod 12 and the drive cylinder 11. The outer diameter of the ratchet teeth 15 is relatively small when they are closed, and they can freely insert into the drive cylinder 11. Through the setting of the fixed ring 19 and the guide teeth 20, it is avoided that the ratchet teeth 15 open just when they are close to the drive cylinder 11, resulting in a situation of jamming due to resistance and affecting the docking efficiency. The side wall of the guide teeth 20 is in contact with the side wall of the helical tooth block 16, which can pre-guide the ratchet teeth 15, so that the ratchet teeth 15 can be guided and limited by the guide teeth 20 during the opening process and smoothly slide into the position between the helical tooth blocks 16.

[0031] During the detection, the same fluid can be input from the input pipes 2 on the pump casings 1 on both sides. By rotating the knob 42 on one side, the four rotating columns 26 can be synchronously rotated to adjust the position of the delivery port 27. The drive motor 41 on one side drives the first drive shaft 5 to rotate, and the drive motor 41 on the other pump casing 1 is not started, ensuring that the driving forces of the first drive shaft 5 and the second drive shaft 6 on both sides are the same. Then, by comparing the flow rates of the same fluid during the same driving force and pipeline opening through the flow meters on the output pipes 3, it can be determined whether the structure of the twin-screw pump to be detected is qualified. If the flow rate difference is within the set range, it means it is qualified. If the error is large and the delivery flow rate is much smaller than that of the standard twin-screw pump, it means there is a problem with the internal structure of the twin-screw pump to be tested.

[0032] When the conveying flows inside the two groups of pump casings 1 are close, the pumpability of different fluids can also be detected by these two groups of pump casings 1 in the butt-jointed state, that is, different fluids are respectively butted with the butting pipes 24 on the input pipes 2 on both sides, the driving motor 41 on one side is started, and the conveying flows of different fluids are measured by the flowmeter on the output pipe 3. During the whole process, the consistency of the driving force and the opening size of the conveying port 27 can be ensured. By comparing the magnitudes of the conveying flows, the differences in the pumpability of the two groups of fluids can be intuitively judged. The device has a simple structure, is flexible and convenient to butt-joint and use, can more intuitively judge the test results, improves the variable control during the detection of the pumpability of fluids, and the test results are more comprehensive and accurate.

[0033] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0034] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for detecting the pumpability of viscous fluids for twin-screw pump production, characterized in that: include: A pump casing (1), wherein an input pipe (2) and an output pipe (3) are communicatively connected to the pump casing (1); Also includes: an output mechanism (4), the output mechanism (4) comprising a first drive shaft (5) and a second drive shaft (6) rotatably connected to the pump housing (1), the pump housing (1) being provided with a driving member (7) for driving the first drive shaft (5) and the second drive shaft (6) to rotate and for drawing fluid from the input pipe (2) into the pump housing (1) and transporting the fluid to the output pipe (3) for discharge; A docking mechanism (8), the docking mechanism (8) comprising a docking member (9) for coaxially docking and fixing the first drive shaft (5) and the second drive shaft (6) on the two groups of pump casings (1); the pump casing (1) is provided with an adjusting member (10) for synchronously adjusting the opening size of the input pipe (2) and the output pipe (3); the adjusting members (10) on the two adjacent groups of pump casings (1) can be docked and synchronously controlled; the docking mechanism (8) can dock the two groups of pump casings (1) and directly drive the structures in the two groups of pump casings (1) to operate through the driving member (7) on one side; by comparing the delivery volume of the fluid in the two groups of pump casings (1), the pumpability of the fluid can be compared and judged, and at the same time, the performance of the structures in the two groups of pump casings (1) can be assisted in judging.

2. The device for detecting the pumpability of viscous fluids for twin-screw pump production according to claim 1, characterized in that: The docking member (9) comprises a driving cylinder (11) fixedly mounted on one end of the first driving shaft (5); one end of the second driving shaft (6) is coaxially fixedly connected to a driving rod (12); a plurality of groups of rotation grooves (13) are evenly arranged on the outer wall of the driving rod (12); a spring shaft (14) is arranged in the rotation groove (13); a ratchet (15) rotatably connected to the rotation groove (13) is fixedly connected to the spring shaft (14); a plurality of groups of bevel gear blocks (16) are evenly fixedly connected to the inner wall of the driving cylinder (11); a control member (17) is provided on the ratchet (15) for controlling the ratchet (15) to automatically fit the bevel gear block (16) when the ratchet (15) is inserted into the driving cylinder (11).

3. The device for detecting the pumpability of viscous fluids for twin-screw pump production according to claim 2, characterized in that: The control member (17) comprises a magnet block (18) fixedly mounted on the outer wall of the ratchet (15); the drive cylinder (11) and the bevel tooth block (16) are both made of magnetic metal material; one end of the drive cylinder (11) is coaxially fixedly connected to a fixing ring (19); a plurality of groups of guide teeth (20) are evenly fixedly connected to the fixing ring (19); and the fixing ring (19) and the guide teeth (20) are both made of non-magnetic metal material.

4. The device for detecting the pumpability of viscous fluids for twin-screw pump production according to claim 1, characterized in that: The adjusting member (10) comprises a first fixed cover (21) fixedly mounted on the outer wall of one end of the pump housing (1); a control rod (22) is rotatably connected to the first fixed cover (21); a fixed cylinder (23) is fixedly connected to each of the input pipe (2) and the output pipe (3); a butt pipe (24) is connected to the fixed cylinder (23); and a synchronizing member (25) for synchronizing the connection state of the two groups of fixed cylinders (23) is provided on the control rod (22).

5. The device for detecting the pumpability of viscous fluid for production of twin-screw pumps according to claim 4, characterized in that: The synchronous member (25) comprises a rotating column (26) rotatably connected to the inner wall of the fixed cylinder (23); a delivery port (27) capable of communicating with the docking tube (24) is provided on the rotating column (26); one end of each of the input tube (2) and the output tube (3) can be communicated with the delivery port (27); a connecting rod (28) is coaxially fixedly connected to one side of the rotating column (26); and a rotating member (29) capable of synchronously controlling the rotational states of the two groups of connecting rods (28) is provided on the control rod (22).

6. The device for detecting the pumpability of viscous fluids for twin-screw pump production according to claim 5, characterized in that: The rotating member (29) comprises two groups of worm gears (30) fixedly mounted on the control rod (22); one end of each of the two groups of connecting rods (28) is coaxially fixedly connected to a worm wheel (31) capable of meshing with an adjacent worm gear (30); a side surface of one group of worm wheels (31) is coaxially fixedly connected to a plug-in tube (32); and a side surface of the other group of worm wheels (31) is coaxially fixedly connected to a plug-in rod (33) capable of plugging into the plug-in tube (32).

7. The device for detecting the pumpability of viscous fluid for twin-screw pump production according to claim 1, characterized in that: The output mechanism (4) further comprises a fixing box (34) fixedly mounted inside the pump housing (1); two groups of conveying screws (35) are respectively fixedly connected to the first drive shaft (5) and the second drive shaft (6); the spiral directions of the two groups of conveying screws (35) on the first drive shaft (5) are opposite, and they are respectively meshed with the two groups of conveying screws (35) on the second drive shaft (6); a conveying groove (36) is provided inside the fixing box (34); the outer wall of the conveying screw (35) is rotatably fitted with the inner wall of the conveying groove (36); the middle part of the conveying groove (36) is connected to one end of the output pipe (3); and both ends of the conveying groove (36) are connected to the input pipe (2).

8. The device for detecting the pumpability of viscous fluids for twin-screw pump production according to claim 5, characterized in that: An arc-shaped groove (37) is formed on the outer wall of the fixed cylinder (23), a limit block (38) is fixedly connected to the connecting rod (28), and the limit block (38) is slidably connected to the inner wall of the arc-shaped groove (37).

9. The device for detecting the pumpability of viscous fluids for twin-screw pump production according to claim 1, characterized in that: The driving member (7) comprises two groups of driving gears (39) respectively coaxially fixedly mounted on the first driving shaft (5) and the second driving shaft (6), the two groups of driving gears (39) meshing with each other, a second fixing cover (40) is fixedly connected to the pump housing (1), a driving motor (41) is fixedly connected to the second fixing cover (40), and an output end of the driving motor (41) is coaxially fixedly connected to one end of the first driving shaft (5).

10. The device for detecting the pumpability of viscous fluid for production of twin-screw pumps according to claim 4, characterized in that: Both ends of the control rod (22) are coaxially fixedly connected with knobs (42).

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