Remote liquid level differential pressure transmitter

Abstract

The application discloses a kind of remote liquid level differential pressure transmitters, it is related to the technical field of transmitter.It includes body, the bottom end of the body is fixedly connected with pressure guide pipe, the body is fixedly installed with extension pipe, the side end surface of the body is fixedly installed with installation horizontal plate, the installation horizontal plate is fixedly installed with L-shaped frame plate, the L-shaped frame plate is provided with storage assembly, and channel hole is formed in the L-shaped frame plate;Adjusting assembly is arranged on the pressure guide pipe, and symmetrically arranged fixed plate is arranged on the adjusting assembly, and the limiting fixation of capillary tube is completed by the cooperation of two fixed plates.The cooperation of storage assembly, adjusting assembly and auxiliary assembly improves the stability and operational flexibility of capillary tube in the liquid level differential pressure transmitter, effectively prevents capillary tube from loosening, deviation and damage, ensures the reliability and efficiency of the equipment in long-term use, and greatly improves the use effect of the transmitter.

Description

Technical Field

[0001] This invention relates to the field of transmitter technology, specifically to a remote liquid level differential pressure transmitter. Background Technology

[0002] Transmitters evolved from sensors. Any sensor that can output a standard signal is called a transmitter. A standard signal is a signal whose form and quantity range of physical quantities conform to international standards. Because DC signals are not affected by the inductance, capacitance and load properties in the circuit, and do not have phase shift problems, they are widely used.

[0003] In the prior art, Chinese patent publication number "CN222505550U" discloses a remote liquid level differential pressure transmitter. By installing a swinging component, the capillary tube can be limited, ensuring a stable connection between the capillary tube and the extension tube. This prevents loosening between the capillary tube and the extension tube, which would affect the use of the transmitter. The cooperation of the mounting frame, spring, and rotating cylinder enables automatic winding of the capillary tube after use, ensuring it is evenly wound within the frame. This achieves the purpose of automatic winding of the capillary tube, preventing it from becoming messy and tangled. This solves the problem that when connecting the capillary tube to the transmitter, repeated insertions can cause it to loosen, or the transmitter may be accidentally knocked off, affecting efficiency. Additionally, because the capillary tube is long, it is prone to tangling and knotting after prolonged use, causing damage to the capillary tube.

[0004] In the scheme described above, the capillary is wound up by a fixed frame and a spring. However, in this scheme, since the spring has a certain tensile force, when the capillary is connected to other devices, the tensile force of the spring can affect the connection between the capillary and the device, which may cause the joint to loosen or not seal properly, thereby affecting the measurement accuracy of the system or causing leakage. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides a remote liquid level differential pressure transmitter, which solves the problems mentioned in the background section.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A remote-transmitting differential pressure level transmitter includes a body, a pressure-conducting pipe fixedly connected to the bottom end of the body, an extension pipe fixedly installed on the body, a mounting plate fixedly installed on the side end face of the body, an L-shaped frame plate fixedly installed on the mounting plate, a storage component provided on the L-shaped frame plate, and a channel hole opened on the L-shaped frame plate.

[0008] The pressure-conducting tube is equipped with an adjustment component, and the adjustment component is equipped with symmetrically arranged fixed plates. The capillary tube is limited and fixed by the cooperation of the two fixed plates.

[0009] An auxiliary component is provided on the outside of the device.

[0010] Preferably, the storage assembly includes two side plates fixedly mounted on the mounting plate, a storage box fixedly mounted on the side plates, a winding roller rotatably mounted inside the storage box, a rotating shaft fixedly mounted at both ends of the winding roller, a mounting ring fixedly mounted on the rotating shaft, a torsion spring fixedly connected to the mounting ring, a reset groove provided on the side plates, and an inlet and an outlet provided on the storage box.

[0011] Preferably, the end of the rotating shaft away from the take-up roller extends into the interior of the reset groove, the mounting ring is positioned inside the reset groove, and the end of the torsion spring away from the mounting ring is fixedly connected to the interior of the reset groove.

[0012] Preferably, the adjusting assembly includes an adjusting thread formed on the pressure guiding pipe, an adjusting block is movably mounted on the pressure guiding pipe via the adjusting thread, a rotating block is rotatably mounted on the adjusting block, a lifting inclined rod is fixedly mounted on the rotating block, a stabilizing block is fixedly mounted on the lower end face of the L-shaped frame plate, a sliding rod is slidably mounted on both the stabilizing block and the lifting inclined rod, upright plates are fixedly mounted on both ends of the sliding rod, and a first spring is fixedly connected to the upright plate.

[0013] Preferably, the end of the first spring away from the upright plate is fixedly connected to the stabilizing block, the fixed plate is fixedly installed on the upright plate, and the two fixed plates are located inside the L-shaped frame plate and on the side of the exit.

[0014] Preferably, the auxiliary component includes a positioning frame rod fixedly mounted on an L-shaped frame plate, a strip plate on the positioning frame rod, a strip groove on the lower end face of the strip plate, an installation rod fixedly mounted inside the strip groove, symmetrically arranged sliding blocks slidably mounted on the installation rod, a second spring fixedly connected between two of the sliding blocks, and an upper connecting frame fixedly mounted on each of the two sliding blocks.

[0015] Preferably, a downward pressing rod is rotatably mounted on the upper connecting frame, a push rod is fixedly mounted on the side end face of the upper connecting frame, a push frame is fixedly mounted on the side end face of the lifting inclined rod, an inclined surface is opened on the side end face of the push frame, a downward pressing block is slidably mounted on the upper part of the storage box, and a symmetrically arranged lower connecting frame is fixedly mounted on the side end face of the downward pressing block.

[0016] Preferably, the second spring is located outside the mounting rod, the sliding block is slidably installed with the strip groove, the end of the push rod away from the lifting inclined rod is in sliding contact with the inclined surface, and the end of the pressing rotating rod away from the upper connecting frame is rotatably installed with the lower connecting frame.

[0017] Preferably, a first U-shaped frame is fixedly installed on the upper connecting frame, a drive rod is rotatably installed on the first U-shaped frame, a T-shaped plate is fixedly installed on the body, an auxiliary clamping plate is slidably installed on the T-shaped plate, a tapered hole is opened on the auxiliary clamping plate, a second U-shaped frame is fixedly installed on the side end face of the auxiliary clamping plate, and an elastic clamping plate is fixedly installed at the port of the extension tube.

[0018] Preferably, the end of the drive rod away from the first U-shaped frame is rotatably connected to the second U-shaped frame, and the number of elastic clamps is at least three, the three elastic clamps are arranged in a ring, and the position of the elastic clamps is inside the conical hole and in sliding contact with the conical hole.

[0019] This invention provides a remote-transmitting differential pressure level transmitter. Compared with the prior art, it has the following advantages:

[0020] 1. In this invention, one end of a capillary tube wound on a take-up roller passes through an inlet and connects to an extension tube, while the other end of the capillary tube passes through an outlet and a channel hole to extend to the outside of an L-shaped frame plate. When the capillary tube needs to be stretched to a certain length, the rotating shaft, mounting ring, and torsion spring on the take-up roller ensure that the stretched capillary tube can be automatically wound into the inside of the storage box when not in use. At the same time, the torsion force of the torsion spring can prevent the capillary tube connected to the extension tube from being subjected to excessive tension, which would cause the capillary tube to fall off the extension tube. The storage box not only effectively retrieves the capillary tube, but also prevents the capillary tube from being in a messy state in the external environment, ensuring the cleanliness of the transmitter and its ease of use.

[0021] 2. In this invention, when the capillary tube is stretched to a certain length, by rotating the adjusting block, the rotational motion of the adjusting block is converted into the vertical motion of the lifting inclined rod by utilizing the cooperation between the adjusting block and the adjusting thread and the limiting sliding of the lifting inclined rod and the mounting horizontal plate. When the lifting inclined rod is raised, the capillary tube can be positioned by using the fixed plate on the lifting inclined rod and the fixed plate on the stabilizing block, avoiding the phenomenon of retraction when the end of the capillary tube is installed. When installing the capillary tube, in order to avoid pulling the capillary tube, the capillary tube held by the two fixed plates will be ensured to follow the fixed plate in a horizontal tilting and sliding motion through the cooperation of the vertical plate and the sliding rod and the first spring, ensuring that the fixed capillary tube slides horizontally with the fixed plate, ensuring more flexible and smooth operation.

[0022] 3. In this invention, when the lifting inclined rod is raised, it will simultaneously drive the push frame to move. By utilizing the cooperation between the inclined surface on the push frame and the push rod, the push rod will drive the upper connecting frame on the sliding block to slide on the mounting rod. When the two upper connecting frames on the mounting rod move inward at the same time, the downward pressing rotating rod on the upper connecting frame will drive the lower pressing block to move towards the storage box through the lower connecting frame. Through the contact between the lower pressing block and the capillary on the winding roller, the capillary is effectively prevented from becoming loose, slipping, or generating unnecessary tension when not in use, thus ensuring the neatness and stability of the capillary in the storage box.

[0023] 4. In this invention, when the two upper connecting frames move inward simultaneously, they will synchronously drive the first U-shaped frame to move inward. Utilizing the cooperation between the first U-shaped frame and the drive rod, and the cooperation between the drive rod and the second U-shaped frame, the drive rod will drive the auxiliary clamping plate on the second U-shaped frame to slide horizontally on the T-shaped plate. The tapered holes on the auxiliary clamping plate will simultaneously apply pressure to the three elastic clamping plates, causing the ends of the three elastic clamping plates to retract inward simultaneously. The three elastic clamping plates will fix the position of the capillary tube connected to the extension tube, ensuring that the capillary tube will not shift due to external interference during operation and maintaining its precise position. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 This is a schematic diagram of the structure of the storage component in this invention.

[0026] Figure 3 This is a schematic diagram of the structure for installing the horizontal plate in this invention;

[0027] Figure 4 This is a schematic diagram of the internal structure of the storage box in this invention;

[0028] Figure 5 This is a partial sectional view of the L-shaped frame plate in this invention;

[0029] Figure 6 This is a schematic diagram of the auxiliary component in this invention;

[0030] Figure 7 for Figure 6 Enlarged view of point A in the middle;

[0031] Figure 8 This is a schematic diagram of the auxiliary clamping plate in this invention.

[0032] In the diagram: 1. Body; 2. Pressure guide pipe; 3. Extension pipe; 4. Mounting horizontal plate; 5. L-shaped frame plate; 6. Channel hole; 7. Fixed plate; 8. Side plate; 9. Storage box; 10. Rewinding roller; 11. Rotating shaft; 12. Mounting ring; 13. Torsion spring; 14. Reset groove; 15. Inlet; 16. Outlet; 17. Adjusting thread; 18. Adjusting block; 19. Rotating block; 20. Lifting diagonal bar; 21. Stabilizing block; 22. Sliding rod; 23. Vertical plate; 24. 25. First spring; 26. Positioning bracket rod; 27. Strip plate; 28. Strip groove; 29. ​​Mounting rod; 30. Sliding block; 31. Second spring; 32. Upper connecting frame; 33. Lower pressing rotating rod; 34. Push rod; 35. Pushing frame; 36. Inclined surface; 37. Lower pressing block; 38. Lower connecting frame; 39. First U-shaped frame; 40. Drive rod; 41. T-shaped plate; 42. Auxiliary clamping plate; 43. Conical hole; 44. Second U-shaped frame; 45. Elastic clamping plate. Detailed Implementation

[0033] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0034] Please see Figure 1-8 This invention relates to a remote-type differential pressure level transmitter, comprising a body 1, a pressure-conducting pipe 2 fixedly connected to the bottom end of the body 1, an extension pipe 3 fixedly mounted on the body 1, a mounting plate 4 fixedly mounted on the side end face of the body 1, an L-shaped frame plate 5 fixedly mounted on the mounting plate 4, a storage assembly provided on the L-shaped frame plate 5, and a channel hole 6 opened on the L-shaped frame plate 5. The storage assembly includes two side plates 8 fixedly mounted on the mounting plate 4, a storage box 9 fixedly mounted on the side plates 8, a winding roller 10 rotatably mounted inside the storage box 9, a rotating shaft 11 fixedly mounted at both ends of the winding roller 10, a mounting ring 12 fixedly mounted on the rotating shaft 11, and a torsion spring fixedly connected to the mounting ring 12. 13. A reset groove 14 is provided on the side plate 8, and an inlet 15 and an outlet 16 are provided on the storage box 9. The end of the rotating shaft 11 away from the winding roller 10 extends into the interior of the reset groove 14. The mounting ring 12 is located inside the reset groove 14. The end of the torsion spring 13 away from the mounting ring 12 is fixedly connected to the interior of the reset groove 14. The inlet 15 and the outlet 16 are not in the same position. The inlet 15 facilitates the insertion of the capillary tube connected to the extension tube 3 into the interior of the storage box 9, while the outlet 16 facilitates the removal of the end of the capillary tube from the storage box 9. The device body 1 is a transmitter. Since the transmitter is a technology well known to those skilled in the art, it will not be described in detail here.

[0035] In this embodiment, during use, one end of the capillary wound on the take-up roller 10 is passed through the inlet 15 and connected to the extension tube 3, and the other end of the capillary is passed through the outlet 16 and the channel hole 6 to extend it to the outside of the L-shaped frame plate 5. When it is necessary to stretch the capillary to a certain length, the rotating shaft 11, the mounting ring 12 and the torsion spring 13 on the take-up roller 10 are used to ensure that the stretched capillary can be automatically wound into the storage box 9 when not in use. At the same time, the torsion of the torsion spring 13 can prevent the capillary connected to the extension tube 3 from being subjected to a large pulling force, which would cause the capillary to fall off the extension tube 3. The storage box 9 not only effectively retrieves the capillary, but also prevents the capillary from being in a messy state in the external environment, ensuring the cleanliness of the transmitter and the convenience of use.

[0036] An adjusting assembly is provided on the pressure guiding tube 2. The adjusting assembly has symmetrically arranged fixed plates 7. The two fixed plates 7 work together to limit and fix the capillary tube. The adjusting assembly includes an adjusting thread 17 on the pressure guiding tube 2. An adjusting block 18 is movably mounted on the pressure guiding tube 2 via the adjusting thread 17. A rotating block 19 is rotatably mounted on the adjusting block 18. A lifting inclined rod 20 is fixedly mounted on the rotating block 19. A stabilizing block 21 is fixedly mounted on the lower end face of the L-shaped frame plate 5. Sliding rods 22 are slidably mounted on both the stabilizing block 21 and the lifting inclined rod 20. Both ends of the moving rod 22 are fixedly installed with upright plates 23. A first spring 24 is fixedly connected to the upright plate 23. The end of the first spring 24 away from the upright plate 23 is fixedly connected to the stabilizing block 21. The fixed plate 7 is fixedly installed on the upright plate 23. The two fixed plates 7 are located inside the L-shaped frame plate 5 and on one side of the outlet 16. The fixed plates 7 are arranged vertically. The lifting diagonal rod 20 has the same structure as the stabilizing block 21. The top of the lifting diagonal rod 20 extends to the top of the mounting horizontal plate 4. At the same time, the lifting diagonal rod 20 and the mounting horizontal plate 4 are slidably installed.

[0037] In this embodiment, when the capillary tube is stretched to a certain length, by rotating the adjusting block 18, the rotational motion of the adjusting block 18 is converted into the vertical motion of the lifting inclined rod 20 by utilizing the cooperation between the adjusting block 18 and the adjusting thread 17 and the limiting sliding of the lifting inclined rod 20 and the mounting horizontal plate 4. When the lifting inclined rod 20 is raised, the positioning of the capillary tube can be completed by the fixed plate 7 on the lifting inclined rod 20 and the fixed plate 7 on the stabilizing block 21, avoiding the phenomenon of retraction when the end of the capillary tube is installed. When installing the capillary tube, in order to avoid pulling the capillary tube, the capillary tube held by the two fixed plates 7 will be ensured to follow the fixed plate 7 to tilt and slide horizontally by the cooperation of the vertical plate 23 and the sliding rod 22 and the first spring 24, ensuring that the fixed capillary tube slides horizontally, ensuring more flexible and smooth operation.

[0038] An auxiliary component is provided on the outer side of the device body 1. The auxiliary component includes a positioning frame rod 25 fixedly installed on the L-shaped frame plate 5, a strip plate 26 on the positioning frame rod 25, a strip groove 27 on the lower end face of the strip plate 26, an installation rod 28 fixedly installed inside the strip groove 27, symmetrically arranged sliding blocks 29 slidably installed on the installation rod 28, a second spring 30 fixedly connected between the two sliding blocks 29, an upper connecting frame 31 fixedly installed on each of the two sliding blocks 29, a downward pressing rod 32 rotatably installed on the upper connecting frame 31, a push rod 33 fixedly installed on the side end face of the upper connecting frame 31, and a push rod 33 fixedly installed on the side end face of the lifting inclined rod 20. The frame 34 has an inclined surface 35 on its side end face. The storage box 9 is slidably mounted with a lower pressing block 36. The side end face of the lower pressing block 36 is fixedly mounted with symmetrically arranged lower connecting frames 37. The second spring 30 is located outside the mounting rod 28. The sliding block 29 is slidably mounted with the strip groove 27. The end of the push rod 33 away from the lifting inclined rod 20 is in sliding contact with the inclined surface 35. The end of the lower pressing rotating rod 32 away from the upper connecting frame 31 is rotatably mounted with the lower connecting frame 37. When the lifting inclined rod 20 returns to its original position, the two sliding blocks 29 that move inward synchronously will return to their original positions through the reaction force of the second spring 30.

[0039] In this embodiment, when the lifting bar 20 is raised, it will simultaneously drive the pusher frame 34 to move. By utilizing the cooperation between the inclined surface 35 on the pusher frame 34 and the pusher rod 33, the pusher rod 33 will drive the upper connecting frame 31 on the sliding block 29 to slide on the mounting rod 28. When the two upper connecting frames 31 on the mounting rod 28 move inward at the same time, the lower pressing rotating rod 32 on the upper connecting frame 31 will drive the lower pressing block 36 to move towards the storage box 9 through the lower connecting frame 37. Through the contact between the lower pressing block 36 and the capillary on the winding roller 10, the capillary is effectively prevented from becoming loose, slipping or generating unnecessary tension when not in use, thus ensuring the neatness and stability of the capillary in the storage box 9.

[0040] A first U-shaped frame 38 is fixedly installed on the upper connecting frame 31. A drive rod 39 is rotatably installed on the first U-shaped frame 38. A T-shaped plate 40 is fixedly installed on the body 1. An auxiliary clamping plate 41 is slidably installed on the T-shaped plate 40. A tapered hole 42 is opened on the auxiliary clamping plate 41. A second U-shaped frame 43 is fixedly installed on the side end face of the auxiliary clamping plate 41. An elastic clamping plate 44 is fixedly installed at the port of the extension tube 3. The end of the drive rod 39 away from the first U-shaped frame 38 is rotatably connected to the second U-shaped frame 43. There are at least three elastic clamping plates 44, which are arranged in a ring. The position of the elastic clamping plates 44 is inside the tapered hole 42 and is in sliding contact with the tapered hole 42. The T-shaped plate 40 includes a first horizontal plate and a second horizontal plate. The auxiliary clamping plate 41 is slidably installed with the first horizontal plate. The position of the second horizontal plate is on one side of the auxiliary clamping plate 41. The second horizontal plate ensures that the auxiliary clamping plate 41 will not fall off the first horizontal plate.

[0041] In this embodiment, when the two upper connecting frames 31 move inward simultaneously, they will synchronously drive the first U-shaped frame 38 to move inward. Utilizing the cooperation between the first U-shaped frame 38 and the drive rod 39, and the cooperation between the drive rod 39 and the second U-shaped frame 43, the drive rod 39 will drive the auxiliary clamping plate 41 on the second U-shaped frame 43 to slide horizontally on the T-shaped plate 40. The tapered hole 42 on the auxiliary clamping plate 41 will simultaneously apply a squeezing force to the three elastic clamping plates 44, causing the ends of the three elastic clamping plates 44 to retract inward simultaneously. The three elastic clamping plates 44 will fix the position of the capillary connected to the extension tube 3, ensuring that the capillary will not shift due to external interference during operation and maintaining its precise position.

[0042] Working principle: In use, one end of the capillary tube wound on the take-up roller 10 passes through the inlet 15 and connects to the extension tube 3. The other end of the capillary tube extends through the outlet 16 to the outside of the L-shaped frame plate 5. When the capillary tube needs to be stretched to a certain length, the rotating shaft 11, mounting ring 12, and torsion spring 13 on the take-up roller 10 ensure that the stretched capillary tube can be automatically wound back into the storage box 9 when not in use. At the same time, the torsion force of the torsion spring 13 can prevent the capillary tube connected to the extension tube 3 from being subjected to excessive tension, which would cause the capillary tube to fall off the extension tube 3. The storage box 9 not only effectively retrieves the capillary tube, but also prevents the capillary tube from being in a disordered state in the external environment. When the capillary tube is stretched... At a certain length, by rotating the adjusting block 18, the rotational motion of the adjusting block 18 is converted into the vertical motion of the lifting inclined rod 20 by utilizing the cooperation between the adjusting block 18 and the adjusting thread 17, and the limiting sliding between the lifting inclined rod 20 and the mounting horizontal plate 4. When the lifting inclined rod 20 is raised, the fixed plate 7 on the lifting inclined rod 20 and the fixed plate 7 on the stabilizing block 21 can complete the positioning of the capillary tube, preventing the phenomenon of retraction when the end of the capillary tube is installed. When installing the capillary tube, in order to avoid pulling the capillary tube, the capillary tube held by the two fixed plates 7 will be connected by the cooperation between the vertical plate 23 and the sliding rod 22, and the first spring 24. The mechanism ensures that the fixed capillary tube follows the horizontal tilting and sliding of the fixed plate 7. When the lifting rod 20 rises, it will synchronously drive the push frame 34 to move. Utilizing the cooperation between the inclined surface 35 on the push frame 34 and the push rod 33, the push rod 33 will drive the upper connecting frame 31 on the sliding block 29 to slide on the mounting rod 28. When the two upper connecting frames 31 on the mounting rod 28 move inwards simultaneously, the downward pressing rod 32 on the upper connecting frame 31 will drive the lower pressing block 36 to move towards the storage box 9 through the lower connecting frame 37. Through the contact between the lower pressing block 36 and the capillary tube on the take-up roller 10, it effectively prevents the capillary tube from becoming loose, slipping, or generating unnecessary tension when not in use, ensuring that the capillary tube remains in the storage box 9. The internal alignment and stability are achieved when the two upper connecting frames 31 move inward simultaneously, which in turn drives the first U-shaped frame 38 to move inward. By utilizing the cooperation between the first U-shaped frame 38 and the drive rod 39, as well as the cooperation between the drive rod 39 and the second U-shaped frame 43, the drive rod 39 drives the auxiliary clamping plate 41 on the second U-shaped frame 43 to slide horizontally on the T-shaped plate 40. The tapered hole 42 on the auxiliary clamping plate 41 applies a squeezing force to the three elastic clamping plates 44 simultaneously, and the ends of the three elastic clamping plates 44 retract inward simultaneously. The three elastic clamping plates 44 are used to fix the position of the capillary tube connected to the extension tube 3, ensuring that the capillary tube will not shift due to external interference during operation and maintaining its precise position.

[0043] In this technical solution, in order to prevent the capillary from being blocked when the fixed plate 7 clamps the capillary, a soft material with high friction is installed on the fixed plate 7. The soft material contacts the capillary to ensure that the capillary in the clamping part does not slide between the two fixed plates 7, while ensuring the clamping effect of the fixed plate 7.

[0044] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0045] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention.

Claims

1. A remote fill level differential pressure transmitter comprising a body (1), characterised in that: The bottom end of the device body (1) is fixedly connected with a pressure guide pipe (2), an extension pipe (3) is fixedly installed on the device body (1), a mounting horizontal plate (4) is fixedly installed on the side end surface of the device body (1), an L-shaped frame plate (5) is fixedly installed on the mounting horizontal plate (4), a receiving assembly is arranged on the L-shaped frame plate (5), and a passage hole (6) is formed in the L-shaped frame plate (5); An adjusting assembly is arranged on the pressure guide pipe (2), and symmetrical fixed plates (7) are arranged on the adjusting assembly; the two fixed plates (7) are cooperated to limit and fix the capillary tube; An auxiliary assembly is arranged on the outside of the device body (1); The receiving assembly comprises two side plates (8) fixedly installed on the mounting horizontal plate (4), a receiving box (9) is fixedly installed on the side plate (8), a winding roller (10) is rotatably installed in the receiving box (9), rotating shafts (11) are fixedly installed at both ends of the winding roller (10), mounting rings (12) are fixedly installed on the rotating shafts (11), torsional springs (13) are fixedly connected to the mounting rings (12), reset grooves (14) are formed in the side plates (8), and an inlet (15) and an outlet (16) are formed in the receiving box (9); One end of the rotating shaft (11) away from the winding roller (10) extends into the reset groove (14), the mounting ring (12) is located in the reset groove (14), and one end of the torsional spring (13) away from the mounting ring (12) is fixedly connected to the reset groove (14); The adjusting assembly comprises an adjusting screw thread (17) formed in the pressure guide pipe (2), the pressure guide pipe (2) is movably installed with an adjusting block (18) through the adjusting screw thread (17), a rotating block (19) is rotatably installed on the adjusting block (18), a lifting inclined rod (20) is fixedly installed on the rotating block (19), a stable block (21) is fixedly installed on the lower end surface of the L-shaped frame plate (5), sliding rods (22) are slidably installed on the stable block (21) and the lifting inclined rod (20), vertical plates (23) are fixedly installed at both ends of the sliding rod (22), and first springs (24) are fixedly connected to the vertical plates (23); One end of the first spring (24) away from the vertical plate (23) is fixedly connected to the stable block (21), the fixed plates (7) are fixedly installed on the vertical plates (23), and the two fixed plates (7) are located in the L-shaped frame plate (5) and on one side of the outlet (16); The auxiliary assembly comprises a positioning frame rod (25) fixedly installed on the L-shaped frame plate (5), a strip-shaped plate (26) on the positioning frame rod (25), a strip-shaped groove (27) formed in the lower end surface of the strip-shaped plate (26), an installation rod (28) fixedly installed in the strip-shaped groove (27), symmetrical sliding blocks (29) slidably installed on the installation rod (28), a second spring (30) fixedly connected between the two sliding blocks (29), and upper connecting frames (31) fixedly installed on the two sliding blocks (29). The upper connecting frame (31) is rotationally installed with a pressing rod (32), the side end surface of the upper connecting frame (31) is fixedly installed with a pushing rod (33), the side end surface of the lifting inclined rod (20) is fixedly installed with a pushing frame (34), the side end surface of the pushing frame (34) is provided with an inclined surface (35), the upper surface of the storage box (9) is slidingly installed with a pressing block (36), the side end surface of the pressing block (36) is fixedly installed with symmetrically arranged lower connecting frames (37). The second spring (30) is located outside the mounting rod (28), the sliding block (29) is slidingly installed with the strip-shaped slot (27), the end of the pushing rod (33) away from the lifting inclined rod (20) is slidingly in contact with the inclined surface (35), and the end of the pressing rod (32) away from the upper connecting frame (31) is rotationally installed with the lower connecting frame (37).

2. A remote liquid level differential pressure transmitter according to claim 1, characterized in that: The upper connecting frame (31) is fixedly installed with a first U-shaped frame (38), the first U-shaped frame (38) is rotationally installed with a driving rod (39), the device body (1) is fixedly installed with a T-shaped plate (40), the T-shaped plate (40) is slidingly installed with an auxiliary clamping plate (41), the auxiliary clamping plate (41) is provided with a tapered hole (42), the side end surface of the auxiliary clamping plate (41) is fixedly installed with a second U-shaped frame (43), and the port of the extension pipe (3) is fixedly installed with an elastic clamping plate (44).

3. A remote liquid level differential pressure transmitter according to claim 2, wherein: The end of the driving rod (39) away from the first U-shaped frame (38) is rotationally connected to the second U-shaped frame (43), the number of the elastic clamping plates (44) is at least three, the three elastic clamping plates (44) are arranged in a ring shape, the elastic clamping plates (44) are located inside the tapered hole (42) and are in sliding contact with the tapered hole (42).

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