Bidirectional surge tower action piston stroke monitoring device

By designing a bidirectional pressure regulating tower piston stroke monitoring device, the piston stroke and running speed are monitored in real time, solving the safety hazards caused by piston abnormalities and realizing safe and reliable pressure regulating tower operation. It is applicable to various types of pressure regulating towers.

CN223807766UActive Publication Date: 2026-01-16ANHUI SURVEY & DESIGN INST OF WATER CONSERVANCY & HYDROPOWER
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Patent Information

Application Number
CN202520575563.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-31
Publication Date
2026-01-16
Estimated Expiration
2035-03-31

AI Technical Summary

Technical Problem

The existing pressure regulating tower cannot monitor abnormal jamming or excessive displacement of the piston in real time, which causes the pressure regulating tower to malfunction and may lead to safety accidents such as water hammer.

Method used

A bidirectional pressure regulating tower piston stroke monitoring device was designed. The piston stroke and running speed are monitored in real time by a rope-type stroke displacement meter and an over-limit measuring device. The stroke limit is detected by a laser generator and a sensor. The device is combined with lifting slide and sliding seat adjustment to adapt to different types of pressure regulating towers.

Benefits of technology

It enables real-time monitoring of piston stroke, avoiding safety accidents caused by piston failure, protecting the safety of water pipelines and equipment, and is highly adaptable to pressure regulating towers of different manufacturers and models.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of surge towers, in particular to a bidirectional surge tower action piston stroke monitoring device, which comprises a tested end and a stroke monitoring structure, the tested end comprises a piston connecting rod, an L-shaped connecting seat is fixedly sleeved on the side surface of the piston connecting rod, and a shading sheet is fixedly mounted on the rear side of the L-shaped connecting seat. A terminal connecting rod is fixedly mounted on the upper side of the anti-dazzling screen; the stroke monitoring structure comprises a supporting vertical plate, a pull rope type stroke displacement meter is connected to the upper side of the supporting vertical plate in a clamped mode, a measuring pull rope is wound in the pull rope type stroke displacement meter, and a pull rope terminal screwed with one end of the terminal connecting rod is fixedly installed at one end of the measuring pull rope. According to the utility model, when the piston in the pressure regulating tower moves up and down, the piston connecting rod is synchronously driven to move up and down, then the measuring pull rope is synchronously pulled through the terminal connecting rod, and the pull rope type stroke displacement meter monitors the stroke track and the running speed of the piston in real time, so that whether the piston is abnormally jammed or not is monitored in real time.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of pressure regulating tower, specifically is a bidirectional pressure regulating tower action piston stroke monitoring device. BACKGROUND

[0002] The pressure regulating tower is a water hammer protection measure for preventing water column separation, is usually installed in the part of pipeline system that is easy to produce negative pressure, and the piston structure arranged in the pressure regulating tower is an important component for balancing and adjusting water pressure.

[0003] When the piston in the pressure regulating tower appears abnormal jamming, excessive displacement and the like, directly affect whether the function of balancing the water pressure in the water delivery pipeline connected on both sides is normally carried out, and when the piston fails, the pressure regulating tower cannot work normally, and water hammer and the like safety accidents are caused, so the safety of the water delivery pipeline and related equipment is protected, therefore, the stroke condition of the piston needs to be monitored in real time. UTILITY MODEL CONTENTS

[0004] The utility model discloses a bidirectional pressure regulating tower action piston stroke monitoring device to solve the problem in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A bidirectional pressure regulating tower action piston stroke monitoring device, comprising:

[0007] The measured end comprises a piston connecting rod, an L-shaped connecting seat is fixedly sleeved on the side surface of the piston connecting rod, a light shield is fixedly installed on the rear side of the L-shaped connecting seat, and a terminal connecting rod is fixedly installed on the upper side of the light shield.

[0008] The stroke monitoring structure comprises a supporting vertical plate, a pull rope type stroke displacement meter is clamped on the upper side of the supporting vertical plate, a measurement pull rope is wound in the pull rope type stroke displacement meter, and a pull rope terminal that is rotationally coupled with one end of the terminal connecting rod is fixedly installed at one end of the measurement pull rope.

[0009] The number of the over-limit measuring devices is two groups, and the two groups of over-limit measuring devices are clamped on the upper and lower edges of the front surface of the supporting vertical plate.

[0010] Further, the measured end further comprises:

[0011] The pressure regulating tower is internally slidably clamped with a piston, and the upper surface of the piston is fixedly connected with the lower end of the piston connecting rod.

[0012] The first fastening nut is rotationally coupled with the side surface of the piston connecting rod on the upper and lower surfaces of the L-shaped connecting seat horizontal plate.

[0013] A terminal connecting groove is formed on the upper side rear end of the sunshade.

[0014] A connecting rod insertion groove is formed on the upper surface of the sunshade, and the connecting rod insertion groove is inserted with the front half of the terminal connecting rod.

[0015] Further, the measured end further comprises:

[0016] A fastening end shaft is fixedly installed at the front end of the terminal connecting rod, and the fastening end shaft penetrates through the vertical plate of the L-shaped connecting seat.

[0017] A second fastening nut is screwed with the fastening end shaft, and the second fastening nut abuts against the front side surface of the vertical plate of the L-shaped connecting seat.

[0018] Further, the stroke monitoring structure further comprises:

[0019] A mounting fin is fixedly installed on the both side surfaces of the support stand, and the mounting fin is fixedly installed on the upper surface of the pressure regulating tower by bolts.

[0020] A reinforcing corner brace is fixedly installed on the front surface of the support stand.

[0021] Further, the stroke monitoring structure further comprises:

[0022] A first lifting sliding groove is formed on the front side surface of the support stand.

[0023] A lifting sliding plate is slidingly connected with the first lifting sliding groove.

[0024] A stepped clamping groove is formed on the rear side surface of the lifting sliding plate.

[0025] A mounting base sheet is fixedly installed on the upper end of the lifting sliding plate, and the front side surface of the mounting base sheet is fixedly connected with the pull rope type stroke displacement meter by bolts.

[0026] A spring clamping pin is embedded in the rear side groove wall of the first lifting sliding groove, and the front end of the spring clamping pin is clamped with the stepped clamping groove.

[0027] Further, the over-limit measuring device comprises:

[0028] A second lifting sliding groove is formed on the both side edges of the support stand in front and rear directions.

[0029] A first sliding seat is slidingly connected at the rear side opening of the second lifting sliding groove.

[0030] Connecting plate, both ends of the connecting plate are fixedly connected with the two first sliding blocks;

[0031] Second sliding block, the second sliding block is slidably connected at the front side opening of the second lifting sliding groove;

[0032] Fastening bolt, the fastening bolt is screwed through the first sliding block and the second sliding block.

[0033] Further, the over-limit measuring device further comprises:

[0034] Stroke limiter, two second sliding blocks are fixedly installed at the rear side of the stroke limiter, a laser generator is embedded at one end of the stroke limiter, and a laser receptor is embedded at the other end of the stroke limiter;

[0035] Sheet body movable slot, the sheet body movable slot is arranged in the middle of the stroke limiter;

[0036] Laser channel, the laser channel transversely penetrates the sheet body movable slot and is connected with the laser generator and the laser receptor.

[0037] Compared with the prior art, the beneficial effects of the utility model are:

[0038] 1. When the piston in the pressure regulating tower moves up and down, the piston connecting rod is driven to move up and down, and then the terminal connecting rod is pulled synchronously to drive the measuring pull rope, so that the stroke trajectory and running speed of the piston are monitored in real time by the pull rope type stroke displacement meter, and whether the piston is abnormal jamming is monitored in real time, and whether the upper and lower limits of the piston stroke are over-limited is monitored in real time by the over-limit measuring device, so that the safety accidents such as water hammer caused by the failure of the piston and the abnormal work of the pressure regulating tower are avoided, and the safety of the water pipeline and related equipment is protected.

[0039] 2. The lifting sliding plate can be moved up and down in the first lifting sliding groove, and is clamped into the corresponding stepped slot by the spring pin, so that the position is limited, the actual height of the pull rope type stroke displacement meter is adjusted, the actual installation height of the measured end is adapted, and the applicability of the whole device is further improved.

[0040] 3. For different piston stroke upper and lower limit ranges of different manufacturers and different models of pressure regulating towers, the first sliding block and the second sliding block can be adjusted by sliding up and down in the second lifting sliding groove, after adjustment, the fastening bolt is screwed into the second sliding block through the first sliding block to clamp the second lifting sliding groove, and the effect of relative fixed installation is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0041] Figure 1 It is the overall structure schematic view of the utility model;

[0042] Figure 2 It is the measured end schematic view in the utility model.

[0043] Figure 3 is the stroke monitoring structure schematic diagram in the utility model;

[0044] Figure 4 is the over-limit measuring device schematic diagram in the utility model.

[0045] In the figure: 1, the measured end; 101, pressure regulating tower; 102, piston connecting rod; 103, L-shaped connecting seat; 104, No. 1 fastening nut; 105, light shield; 106, terminal connecting groove; 107, connecting rod insertion slot; 108, terminal connecting rod; 109, fastening end shaft; 110, No. 2 fastening nut; 2, stroke monitoring structure; 201, support vertical plate; 202, mounting fin; 203, reinforcing corner code; 204, No. 1 lifting sliding groove; 205, lifting sliding plate; 206, stepped clamping groove; 207, mounting substrate; 208, pull rope type stroke displacement meter; 209, measuring pull rope; 210, pull rope terminal; 211, spring clamping pin; 3, over-limit measuring device; 301, No. 2 lifting sliding groove; 302, No. 1 sliding seat; 303, connecting plate; 304, fastening bolt; 305, stroke limiter; 306, sheet body movable groove; 307, laser channel; 308, No. 2 sliding seat. DETAILED DESCRIPTION

[0046] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0047] Please refer to Figures 1-4 In the embodiments of the utility model, a bidirectional pressure regulating tower action piston stroke monitoring device comprises a measured end 1, a stroke monitoring structure 2 and an over-limit measuring device 3, the measured end 1 comprises a piston connecting rod 102, the side surface of the piston connecting rod 102 is fixedly sleeved with an L-shaped connecting seat 103, the rear side of the L-shaped connecting seat 103 is fixedly installed with a light shield 105, and the upper side of the light shield 105 is fixedly installed with a terminal connecting rod 108; the stroke monitoring structure 2 comprises a support vertical plate 201, the support vertical plate 201 is connected with a pull rope type stroke displacement meter 208 on the upper side, the pull rope type stroke displacement meter 208 is internally wound with a measuring pull rope 209, one end of the measuring pull rope 209 is fixedly installed with a pull rope terminal 210 that is screwed with one end of the terminal connecting rod 108; the over-limit measuring device 3 is two groups, and the two groups of over-limit measuring devices 3 are respectively connected to the upper and lower edges of the front surface of the support vertical plate 201.

[0048] Specifically, a thread is made on the side surface of the piston rod protruding from the pressure regulating tower 101 to form a piston connecting rod 102, which is clamped to the L-shaped connecting seat 103 by bolts. A support plate 201 is installed on one side of the upper surface of the pressure regulating tower 101. A measuring rope 209 is pulled out from the rope-type stroke displacement gauge 208 for a certain length, and the rope terminal 210 is screwed onto the rear end of the terminal connecting rod 108. Nuts are used to limit the position on both sides of the rope terminal 210. Finally, the terminal connecting rod 108 is inserted into the upper side of the light shield 105 and fixed. When the pressure regulating tower 101 is adjusted... When the piston inside the pressure tower 101 moves up and down, it synchronously drives the piston connecting rod 102 to move up and down. In turn, the terminal connecting rod 108 synchronously pulls the measuring rope 209. The rope-type stroke displacement meter 208 monitors the piston's stroke trajectory and running speed in real time, thereby monitoring whether the piston is abnormally jammed. The light shield 105 also monitors whether the piston's upper and lower stroke limits are exceeded by the over-limit measuring device 3. This prevents the pressure tower 101 from failing to work properly due to piston failure, which could lead to water hammer and other safety accidents, and protects the safety of the water pipeline and related equipment.

[0049] Example 1

[0050] like Figures 1-2 As shown, in this embodiment, the tested end 1 also includes a voltage regulating tower 101, a first fastening nut 104, a terminal connection groove 106, a connecting rod slot 107, a fastening end shaft 109, and a second fastening nut 110. A piston is slidably engaged inside the voltage regulating tower 101, and the upper surface of the piston is fixedly connected to the lower end of the piston connecting rod 102. The first fastening nut 104 is located on the upper and lower surfaces of the L-shaped connecting seat 103 and screwed onto the side surface of the piston connecting rod 102. The terminal connection groove... 106 is located at the upper rear end of the light shield 105; the connecting rod slot 107 is located on the upper surface of the light shield 105, and the connecting rod slot 107 is inserted into the front half of the terminal connecting rod 108; the fastening end shaft 109 is fixedly installed on the front end of the terminal connecting rod 108, and the fastening end shaft 109 passes through the vertical plate of the L-shaped connecting seat 103; the second fastening nut 110 is screwed into the fastening end shaft 109, and the second fastening nut 110 abuts against the front surface of the vertical plate of the L-shaped connecting seat 103.

[0051] In this embodiment, the pull rope terminal 210 can be screwed into the rear half of the terminal connecting rod 108 to adjust its position laterally, while the L-shaped connecting seat 103 can be screwed into the side surface of the piston connecting rod 102 to adjust its up and down position. The actual position between the stroke monitoring structure 2 and the fastening end shaft 109 can be adjusted within a small range, increasing the range of pressure regulating tower 101 models that can be used in the overall device.

[0052] like Figure 1 , 3As shown, in this embodiment, the stroke monitoring structure 2 further comprises a mounting screw 202, a reinforcing corner code 203, a first lifting sliding groove 204, a lifting sliding plate 205, a stepped clamping groove 206, a mounting base sheet 207 and a spring clamping pin 211. The mounting screw 202 is fixedly installed on the surfaces of both sides of the support vertical plate 201 and is fixedly installed on the upper surface of the pressure regulating tower 101 through a bolt. The reinforcing corner code 203 is fixedly installed on the edges of the front surface of the support vertical plate 201. The first lifting sliding groove 204 is opened on the front side surface of the support vertical plate 201. The lifting sliding plate 205 is slidingly connected with the first lifting sliding groove 204. The stepped clamping groove 206 is opened on the rear side surface of the lifting sliding plate 205. The mounting base sheet 207 is fixedly installed on the upper end of the lifting sliding plate 205 and is fixedly connected with the pull rope type stroke displacement meter 208 through a bolt on the front side surface. The spring clamping pin 211 is embedded in the rear side groove wall of the first lifting sliding groove 204 and is mutually clamped with the front end of the stepped clamping groove 206.

[0053] In specific implementation, the lifting sliding plate 205 can be moved up and down in the first lifting sliding groove 204 and is clamped into the corresponding stepped clamping groove 206 through the spring clamping pin 211 to limit the position and adjust the actual height of the pull rope type stroke displacement meter 208 to adapt to the actual installation height of the measured end 1, thereby further increasing the overall device applicability.

[0054] Embodiment Two

[0055] On the basis of Embodiment One, in order to supplement the specific way of monitoring the upper and lower limits of the piston stroke by the over-limit measuring device 3 which is not mentioned in Embodiment One.

[0056] As shown in Figure 1 , 2 and 4, in this embodiment, the over-limit measuring device 3 comprises a second lifting sliding groove 301, a first sliding seat 302, a connecting plate 303, a fastening bolt 304, a stroke limiter 305, a sheet body movable groove 306, a laser channel 307 and a second sliding seat 308. The second lifting sliding groove 301 is opened in the front-rear direction through the edges of both sides of the support vertical plate 201. The first sliding seat 302 is slidingly connected with the rear opening of the second lifting sliding groove 301. The connecting plate 303 is fixedly connected with the two first sliding seats 302 at both ends. The second sliding seat 308 is slidingly connected with the front opening of the second lifting sliding groove 301. The fastening bolt 304 is mutually screwed with the first sliding seat 302 and the second sliding seat 308. The stroke limiter 305 is fixedly installed with the second sliding seat 308 at both ends of the rear side. A laser generator is embedded in one end of the inside of the stroke limiter 305. A laser receptor is embedded in the other end of the inside of the stroke limiter 305. The sheet body movable groove 306 is opened in the middle of the stroke limiter 305. The laser channel 307 transversely passes through the sheet body movable groove 306 to communicate the laser generator and the laser receptor.

[0057] In specific implementation, the working state of the stroke limiter 305 is that the laser generator emits laser and the laser is received by the laser receptor through the laser channel 307, when the piston exceeds the limit of the activity stroke in the inner wall of the pressure regulating tower 101, the light shield 105 will pass through the sheet activity slot 306 to block the laser, when the laser receptor cannot receive the laser, the alarm signal is triggered, the stroke limiter 305 and the pull rope type stroke displacement meter 208 are both connected with the control console remotely through the circuit, which is convenient for the staff to remotely observe the running state of each pressure regulating tower 101 in the control console, and the upper and lower limit ranges of the piston stroke of the pressure regulating tower 101 of different manufacturers and different models can be adjusted by the first sliding seat 302 and the second sliding seat 308 sliding up and down in the second lifting sliding groove 301, after the adjustment is completed, the second lifting sliding groove 301 is clamped by the fastening bolt 304 penetrating the first sliding seat 302 and rotating into the second sliding seat 308, so as to achieve the effect of relative fixed installation.

[0058] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as exemplary and non-restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

[0059] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A bi-directional pressure regulating column acting piston stroke monitoring device, characterized in that, Include: The measured end (1) includes a piston connecting rod (102), the piston connecting rod (102) side surface fixed sleeve L type connecting seat (103), the L type connecting seat (103) rear side fixed installation has a sun visor (105), the sun visor (105) upper side fixed installation has a terminal connecting rod (108); Stroke monitoring structure (2), the stroke monitoring structure (2) includes a support vertical plate (201), the support vertical plate (201) upper side is clamped with a pull rope type stroke displacement meter (208), the pull rope type stroke displacement meter (208) inside is wound with a measuring pull rope (209), one end of the measuring pull rope (209) is fixedly installed with a pull rope terminal (210) which is mutually screwed with one end of the terminal connecting rod (108); The out-of-limit measuring device (3) is two groups, and the two groups of out-of-limit measuring devices (3) are clamped on the upper and lower edges of the front surface of the support vertical plate (201).

2. The bi-directional pressure regulating column acting piston stroke monitoring device of claim 1, wherein, The measured end (1) further includes: A pressure regulating tower (101), a piston is slidably clamped in the pressure regulating tower (101), and the upper surface of the piston is fixedly connected with the lower end of the piston connecting rod (102); A first fastening nut (104) is screwed with the side surface of the piston connecting rod (102) on the upper and lower surfaces of the horizontal plate of the L-shaped connecting seat (103); A terminal connecting groove (106) is formed in the upper rear end of the sun visor (105); A connecting rod insertion slot (107) is formed in the upper surface of the sun visor (105), and the connecting rod insertion slot (107) is inserted with the front half of the terminal connecting rod (108).

3. The bi-directional pressure regulating column acting piston stroke monitoring device of claim 2, wherein, The measured end (1) further includes: A fastening end shaft (109) is fixedly installed at the front end of the terminal connecting rod (108), and the fastening end shaft (109) penetrates through the vertical plate of the L-shaped connecting seat (103); A second fastening nut (110) is screwed with the fastening end shaft (109), and the second fastening nut (110) abuts against the front side surface of the vertical plate of the L-shaped connecting seat (103).

4. The bi-directional pressure regulating column acting piston stroke monitoring device of claim 3, wherein, The stroke monitoring structure (2) further includes: A mounting screw blade (202) is fixedly installed on the two side surfaces of the support vertical plate (201), and the mounting screw blade (202) is fixedly installed on the upper surface of the pressure regulating tower (101) by bolts; A reinforcing angle code (203) is fixedly installed on the front surface of the support vertical plate (201) on both side edges.

5. The bi-directional pressure regulating column acting piston stroke monitoring device of claim 4, wherein, The stroke monitoring structure (2) further includes: A first lifting sliding groove (204) is formed in the front side surface of the support vertical plate (201); A lifting sliding plate (205) is slidably clamped with the first lifting sliding groove (204); A stepped clamping groove (206) is formed in the rear side surface of the lifting sliding plate (205); The mounting base (207) is fixedly mounted on the upper end of the lifting slide plate (205), and the front surface of the mounting base (207) is fixedly connected with the pull rope type stroke displacement meter (208) through bolts; The spring pin (211) is embedded in the rear side groove wall of the first lifting sliding groove (204), and the front end of the spring pin (211) is interlocked with the stepped clamping groove (206).

6. The bi-directional pressure regulating column acting piston stroke monitoring device of claim 5, wherein, The over-limit measuring device (3) comprises: The second lifting sliding groove (301) is provided on the two side edges of the supporting vertical plate (201) in the front-rear direction; The first sliding seat (302) is slidingly connected to the rear opening of the second lifting sliding groove (301); The connecting plate (303) is fixedly connected to the two first sliding seats (302) at both ends; The second sliding seat (308) is slidingly connected to the front opening of the second lifting sliding groove (301); The fastening bolt (304) is screwed with the first sliding seat (302) and the second sliding seat (308).

7. The bi-directional pressure regulating column acting piston stroke monitoring device of claim 6, wherein, The over-limit measuring device (3) further comprises: The stroke limiter (305) is fixedly installed with the second sliding seat (308) at both rear ends, a laser generator is embedded in one end of the stroke limiter (305), and a laser receptor is embedded in the other end of the stroke limiter (305); The sheet body movable groove (306) is provided in the middle of the stroke limiter (305); The laser channel (307) transversely passes through the sheet body movable groove (306) to communicate the laser generator and the laser receptor.