CN212254255U

CN212254255U - Self-lifting liquid level transmitter system

Info

Publication number: CN212254255U
Application number: CN202021240981.4U
Authority: CN
Inventors: 吴强
Original assignee: Zhengzhou Waltai Instruments Co ltd
Current assignee: Zhengzhou Waltai Instruments Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2020-12-29
Anticipated expiration: 2030-06-30

Abstract

The utility model relates to the technical field of liquid level transmitters, in particular to a self-lifting liquid level transmitter system, which comprises a liquid level transmitter controller and a liquid level detection probe, and also comprises a cable storage unit electrically connected with the liquid level transmitter controller; the cable accommodating unit comprises a sealing box body; a wire winding and unwinding assembly is arranged in the sealed box body; the take-up and pay-off assembly comprises a take-up pipe shaft and a take-up winch; one end of the take-up pipe shaft is provided with a driving unit for driving the take-up winch to rotate; the transmission cable is wound in a wire groove of the take-up winch and rotates with the take-up winch to take up or pay off; the liquid level detection probe is fixedly connected to the free end of the transmission cable and can detect the liquid level height in the reactor. The utility model discloses it is novel reasonable, compact structure, convenient operation can realize receiving line or unwrapping wire of transmission cable automatically, shortens liquid level detection probe and liquid medium's contact time, and greatly increased liquid level sender's life reduces the maintenance cost in later stage, realizes the cost reduction efficiency of enterprise.

Description

Self-lifting liquid level transmitter system

Technical Field

The utility model relates to a liquid level changer technical field, concretely relates to from lift liquid level changer system.

Background

A plurality of liquid media are required to be used in the technical fields of metallurgy, petrochemical industry, sewage treatment and the like, various tanks are often used for storing the liquid media in the liquid storage process, and the liquid level conditions of various liquid media need to be paid attention to in time in the production process so as to regulate and control the production process in time. The liquid level transmitter is an extension and development of the pressure transmitter technology, and realizes accurate measurement and transmission of the volume, the liquid level height and the weight of Newtonian fluid or non-Newtonian fluid according to the principle that the pressures of liquids with different specific gravities at different heights are in a linear relation. Present liquid level changer adopts input liquid level changer mostly, and liquid level probe becomes a whole with the cable conductor promptly, because soak for a long time and carry out level measurement in liquid medium, liquid level medium kind is numerous in process of production, and partial liquid medium has stronger corrosion characteristics, produces very big adverse effect to probe and transmission cable's life-span, needs frequent change test probe and transmission cable, and this process is wasted time and energy, is unfavorable for the cost reduction efficiency of enterprise.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, embodiments of the present invention provide a self-elevating level transmitter system, and the object of the present invention is achieved by the following technical solutions.

A self-lifting liquid level transmitter system comprises a liquid level transmitter controller, a liquid level detection probe and a cable storage unit, wherein the cable storage unit is electrically connected with the liquid level transmitter controller through a transmission cable;

the cable storage unit comprises a fixed suspension cover and a sealing box body arranged below the fixed suspension cover in a matching manner; a wire winding and unwinding assembly is arranged in the sealed box body;

the wire take-up and pay-off assembly comprises a first supporting plate and a second supporting plate arranged corresponding to the first supporting plate, wherein a wire take-up pipe shaft and a wire take-up winch fixedly sleeved on the wire take-up pipe shaft are arranged between the first supporting plate and the second supporting plate; one end of the take-up pipe shaft is provided with a driving unit for driving the take-up pipe shaft and the take-up winch to rotate;

the transmission cable is wound in a wire groove of the take-up winch and rotates with the take-up winch to take up or pay off;

the liquid level detection probe is fixedly connected to the free end of the transmission cable, can detect the liquid level height in the reactor and transmits the liquid level height to the liquid level transmitter controller through the transmission cable.

Furthermore, the driving unit comprises a transmission gear fixedly arranged at one end of the take-up pipe shaft and an intermediate gear meshed with the transmission gear and arranged on the first supporting plate, and the intermediate gear is meshed with a driving gear and a driving motor fixedly connected with the driving gear.

Furthermore, the other end of the wire take-up pipe shaft is provided with a cable coupling assembly electrically connected with the transmission cable.

Furthermore, the cable coupling assembly comprises a wiring rotor fixedly sleeved at the end part of the wire collecting pipe shaft, and a clamping hoop part is arranged in cooperation with the wiring rotor, the clamping hoop part comprises a first clamping block and a second clamping block which are arranged corresponding to two sides of the wiring rotor, the lower ends of the first clamping block and the second clamping block are sleeved on a connecting shaft arranged at one end of the driving mechanism, and a reset spring is sleeved on the connecting shaft between the first clamping block and the second clamping block; the driving mechanism drives the clamping hoop piece to clamp or release the wire rotor through the connecting shaft.

Furthermore, a plurality of annular grooves are formed in the outer circumference of the wiring rotor along the axis direction, and a single conductor is arranged in each annular groove in a sliding mode.

Furthermore, a semicircular groove which is opposite to the wiring rotor is formed in the clamping hoop, a plurality of conductive protrusions are arranged in the semicircular groove at intervals corresponding to the annular groove along the axis direction, and each conductive protrusion is correspondingly connected with the electric conductor.

Furthermore, the take-up winch comprises a winch hoop and two disc bodies fixedly sleeved on the winch hoop; and a storage slot is formed between the oppositely arranged disc bodies, and a second wire passing hole is formed in the winch hoop in the storage slot.

Furthermore, fixed suspended cover includes the supporting plate body, the face both ends are provided with the suspension support block on the supporting plate body, and have seted up fixing hole on the suspension support block, it is provided with set screw to correspond fixing hole on the suspension support block.

Furthermore, the transmission cable is positioned in the reactor and is connected with a section of the liquid level detection probe to form a waterproof corrosion-resistant cable.

Furthermore, the reactor inner arm is transversely fixed with a fixed supporting component with adjustable length corresponding to the fixed suspension cover.

Compared with the prior art, the method has the technical effects that:

1. the utility model can automatically realize the take-up or pay-off of the transmission cable of the liquid level detection probe, shorten the contact time of the liquid level detection probe and the liquid medium under the non-working state, greatly prolong the service life of the liquid level transmitter, reduce the maintenance cost in the later period and realize the cost reduction and the efficiency improvement of enterprises;

2. the cable storage unit of the utility model adopts the cable coupling component, thereby avoiding the twisting of the transmission cable in the running process of the cable storage unit and prolonging the service life of the transmission cable;

3. the utility model relates to a novelty is reasonable, compact structure, convenient operation.

Drawings

FIG. 1 is a schematic structural view of a liquid level transmitter system according to an embodiment of the present invention;

FIG. 2 is a schematic view of a cable receiving unit and a liquid level detection probe mounting structure in the present embodiment;

fig. 3 is a first perspective view of the wire retracting assembly in the present embodiment;

FIG. 4 is a second perspective view of the cable retracting assembly of the present embodiment;

FIG. 5 is a schematic perspective view of an embodiment of a fixed suspension cover;

FIG. 6 is a schematic perspective view of an embodiment of a take-up winch;

fig. 7 is a perspective view of an embodiment of a cable coupling assembly.

In the figure:

100. a liquid level transducer system;

200. a reactor;

300. fixing the support component;

400. a transmission cable;

500. a liquid level transmitter controller;

600. a cable housing unit; 610. fixing the suspension cover; 611. a support plate body; 612. suspending a supporting block; 613. a first wire passing hole; 614. a fixing through hole; 615. a set screw; 620. sealing the box body; 630. fixing the bolt; 640. a wire take-up and pay-off assembly; 641. a take-up winch; 6411. a winch hoop; 6412. a tray body; 6143. a storage slot; 6414. a second wire passing hole; 642. taking-up pipe shaft; 643. a transmission gear; 644. an intermediate gear; 645. a drive motor; 646. a drive motor support; 647. a drive gear; 648. a first support plate; 649. a second support plate; 650. a cable coupling assembly; 651. a wiring rotor; 652. a clamp member; 653. a return spring; 654. a connecting shaft; 655. a drive mechanism;

700. a waterproof corrosion-resistant cable;

800. liquid level detection probe.

Detailed Description

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.

Example 1:

referring to fig. 1-7, an embodiment of the present invention discloses a self-elevating liquid level transmitter system, the liquid level transmitter system 100 includes a liquid level transmitter controller 500 and a liquid level detection probe 800, and further includes a cable receiving unit 600 electrically connected to the liquid level transmitter controller 500 through a transmission cable 400;

referring to fig. 2, in the present embodiment, the cable accommodating unit 600 includes a fixed suspension cover 610, and a sealing box 620 disposed under the fixed suspension cover 610 in a matching manner, wherein the sealing box 620 is fixedly connected to the fixed suspension cover 610 through a fixing bolt; be provided with in the sealed box 620 and receive and release line subassembly 640, correspond sealed box 620 and seted up the line hole on the plate body down corresponding transmission cable 400, supply transmission cable 400 to go up and down to pass through.

The take-up and pay-off assembly 640 comprises a first support plate 648 and a second support plate 649 arranged corresponding to the first support plate 648, wherein a take-up pipe shaft 642 and a take-up winch 641 fixedly sleeved on the take-up pipe shaft 642 are arranged between the first support plate 648 and the second support plate 649; one end of the take-up pipe shaft 642 is provided with a driving unit for driving the take-up pipe shaft 642 and the take-up winch 641 to rotate; the rotation of the take-up pipe shaft 642 and the take-up winch 641 can be realized through the driving unit, and the take-up or pay-off function can be realized.

Wherein, the transmission cable 400 is wound in the wire groove of the take-up winch 641 to take up or pay off along with the rotation of the take-up winch 641; in this embodiment, one end of the transmission cable 400 is electrically connected to the liquid level transmitter controller 500, the other end of the transmission cable 400 enters from one end of the take-up pipe shaft 642 and penetrates out of the take-up winch 641 and is wound on the take-up winch 641, and the end of the transmission cable 400 is connected to the liquid level detection probe 800.

Referring to fig. 2, a liquid level detection probe 800 is fixedly connected to the free end of the transmission cable 400, and can detect the liquid level in the reactor 200 and transmit the liquid level to the liquid level transmitter controller 500 through the transmission cable 400.

Referring to fig. 3 and 4, the driving unit includes a transmission gear 643 fixedly disposed at one end of a take-up pipe shaft 642, an intermediate gear 644 engaged with the transmission gear 643 and disposed on the first support plate 648, and the intermediate gear 644 is engaged with a driving gear 647 and a driving motor 645 fixedly connected with the driving gear 647, and the take-up pipe shaft 642 and the take-up winch 641 are driven to rotate by the driving motor 645, so as to take up or pay off the transmission cable 400, thereby raising the height of the liquid level detection probe 800 in the reactor 200, and detecting the liquid level height.

Referring to fig. 6, the take-up winch 641 includes a winch sleeve 6411 and two trays 6412 fixedly secured to the winch sleeve 6411; a receiving slot 6143 is formed between the oppositely arranged disc bodies 6412, a second wire passing hole 6414 is formed in the winch hoop 6411 in the receiving slot 6143, and the transmission cable 400 penetrates out of the second wire passing hole 6414 and is wound on the wire take-up winch 641.

Referring to fig. 5, the fixed suspension cover 610 includes a support plate body 611, suspension support blocks 612 are disposed at two ends of an upper plate surface of the support plate body 611, fixing through holes 614 are disposed on the suspension support blocks 612, and positioning screws 615 are disposed on the suspension support blocks 612 corresponding to the fixing through holes 614; the fixed supporting component 300 with adjustable length is fixed on the inner arm of the reactor 200 corresponding to the fixed suspension cover 610 in the transverse direction, the fixed supporting component 300 adopts a telescopic connecting rod, the fixed supporting component 300 can be tightly propped against the inner wall of the reactor 200 by adjusting, the cable accommodating unit 600 is fixedly sleeved on the fixed supporting component 300 through the fixed suspension cover 610, and the cable accommodating unit 600 can be adjusted in the transverse position of the fixed supporting component 300.

Wherein, the transmission cable 400 is located inside the reactor 200 and connected with the liquid level detection probe 800, and a section thereof is a waterproof corrosion-resistant cable 700.

Example 2:

referring to fig. 4 and 7, on the basis of embodiment 1, the other end of the take-up spool shaft 642 is provided with a cable coupling assembly 650 electrically coupled to the transmission cable 400.

In this embodiment, the cable coupling component 650 includes a connection rotor 651 fixedly sleeved at an end of the winding shaft 642, and a clamp member 652 is disposed in cooperation with the connection rotor 651, the clamp member 652 includes a first clamp block and a second clamp block disposed at two sides of the connection rotor 651, lower ends of the first clamp block and the second clamp block are sleeved on a connection shaft 654 disposed at one end of the driving mechanism 655, and a return spring 653 is sleeved on the connection shaft 654 between the first clamp block and the second clamp block; the driving mechanism 655 drives the clamping hoop 652 through the connecting shaft 654 to clamp or release the wire rotor 651.

In this embodiment, a plurality of annular grooves are formed in the outer circumference of the connection rotor 651 along the axial direction, a single conductor is slidably disposed in each annular groove, and each conductor is correspondingly connected to one electric core inside the transmission cable 400 electrically connected to the liquid level detection probe 800.

In this embodiment, the clamp 652 is formed with a semicircular groove corresponding to the wiring rotor 651, a plurality of conductive protrusions are disposed in the semicircular groove at intervals along the axial direction corresponding to the annular groove, and each conductive protrusion is correspondingly connected to one electrical core inside the transmission cable 400 electrically connected to the level transmitter controller 500.

In operation, when the clamping hoop member 652 clamps the wiring rotor 651, the conductive protrusions on the inner ring of the clamping hoop member 652 are in electrical contact with the conductive bodies on the outer ring of the wiring rotor 651, and the transmission cable 400 electrically connected to the liquid level transmitter controller 500 and the transmission cable 400 electrically connected to the liquid level detecting probe 800 are disconnected or connected by the cable coupling assembly 650, allowing relative rotation thereof, and avoiding cable twisting with the rotation of the take-up winch 641.

Those skilled in the art will readily appreciate that the reverse arrangement, i.e., providing conductive protrusions on the outer circumference of the connector rotor 651 and annular grooves and conductors on the inner circumference of the clamp member 652, also serves this purpose. It should be noted that the cable coupling assembly 650 may be in an off state during the wire rewinding process, and when the liquid level detection probe 800 is at a predetermined liquid level, the clamping of the clamping hoop 652 to the wire rotor 651 is realized through the driving mechanism 655 and the connecting shaft 654, so as to connect the transmission cable 400 at two ends; the cable coupling assembly 650 is in an open state, allowing the take-up winch 641 to rotate freely under the drive of the drive motor 645. In this embodiment, the driving mechanism 655 may adopt a driving cylinder or a driving electric cylinder in the prior art to realize its function, which is not described herein.

It should be noted that, in embodiments 1 and 2, both the liquid level transmitter controller 500 and the liquid level detection probe 800 can adopt the prior art, and are not described herein again.

It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The terms "comprises," "comprising," or any other similar term are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus.

So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. A self-elevating liquid level transmitter system, the liquid level transmitter system (100) comprising a liquid level transmitter controller (500) and a liquid level detection probe (800), characterized by: the liquid level transmitter control system further comprises a cable storage unit (600) electrically connected with the liquid level transmitter controller (500) through a transmission cable (400);

the cable accommodating unit (600) comprises a fixed suspension cover (610) and a sealing box body (620) arranged below the fixed suspension cover (610) in a matching mode; a wire retracting and releasing assembly (640) is arranged in the sealed box body (620);

the wire take-up and pay-off assembly (640) comprises a first supporting plate (648) and a second supporting plate (649) arranged corresponding to the first supporting plate (648), wherein a wire take-up pipe shaft (642) and a wire take-up winch (641) fixedly sleeved on the wire take-up pipe shaft (642) are arranged between the first supporting plate (648) and the second supporting plate (649); one end of the take-up pipe shaft (642) is provided with a driving unit for driving the take-up pipe shaft (642) and the take-up winch (641) to rotate;

the transmission cable (400) is wound in a wire groove of the wire take-up winch (641) to take up or pay off along with the rotation of the wire take-up winch (641);

the liquid level detection probe (800) is fixedly connected to the free end of the transmission cable (400), can detect the liquid level height in the reactor (200) and transmits the liquid level height to the liquid level transmitter controller (500) through the transmission cable (400).

2. The self-elevating level transmitter system according to claim 1, wherein: the driving unit comprises a transmission gear (643) fixedly arranged at one end of a take-up spool shaft (642), and an intermediate gear (644) meshed with the transmission gear (643) and arranged on the first supporting plate (648), wherein the intermediate gear (644) is in meshed connection with a driving gear (647) and a driving motor (645) fixedly connected with the driving gear (647).

3. The self-elevating level transmitter system according to claim 2, wherein: and a cable coupling component (650) electrically connected with the transmission cable (400) is arranged at the other end of the wire take-up pipe shaft (642).

4. The self-elevating level transmitter system according to claim 3, wherein: the cable coupling assembly (650) comprises a connection rotor (651) fixedly sleeved at the end part of a take-up tubular shaft (642), and a clamping hoop member (652) is arranged in cooperation with the connection rotor (651), the clamping hoop member (652) comprises a first clamping block and a second clamping block which are arranged corresponding to two sides of the connection rotor (651), the lower ends of the first clamping block and the second clamping block are sleeved on a connecting shaft (654) arranged at one end of a driving mechanism (655), and a reset spring (653) is sleeved on the connecting shaft (654) and positioned between the first clamping block and the second clamping block; the driving mechanism (655) drives the clamping hoop member (652) to clamp or release the wire rotor (651) through the connecting shaft (654).

5. The self-elevating level transmitter system according to claim 4, wherein: the outer circumference of the wiring rotor (651) is provided with a plurality of annular grooves arranged at intervals along the axis direction, and a single conductor is arranged in each annular groove in a sliding mode.

6. The self-elevating level transmitter system according to claim 5, wherein: the clamping hoop (652) is internally provided with a semicircular groove which is opposite to the wiring rotor (651), a plurality of conductive protrusions are arranged in the semicircular groove at intervals corresponding to the annular groove along the axial direction, and each conductive protrusion is correspondingly connected with the conductor.

7. The self-elevating level transmitter system according to any one of claims 1 to 6, wherein: the take-up winch (641) comprises a winch hoop (6411) and two disc bodies (6412) fixedly sleeved on the winch hoop (6411); a storage slot (6143) is formed between the oppositely arranged disc bodies (6412), and a second wire passing hole (6414) is formed in the winch hoop (6411) in the storage slot (6143).

8. The self-elevating level transmitter system according to claim 7, wherein: the fixed suspension cover (610) comprises a support plate body (611), suspension support blocks (612) are arranged at two ends of the upper plate surface of the support plate body (611), fixing through holes (614) are formed in the suspension support blocks (612), and positioning screws (615) are arranged on the suspension support blocks (612) corresponding to the fixing through holes (614).

9. The self-elevating level transmitter system according to claim 7, wherein: the transmission cable (400) is positioned in the reactor (200) and is connected with the liquid level detection probe (800), and one section of the transmission cable is a waterproof corrosion-resistant cable (700).

10. The self-elevating level transmitter system according to claim 8, wherein: the inner arm of the reactor (200) is transversely fixed with a fixed supporting component (300) with adjustable length corresponding to the fixed suspension cover (610).