Operating device for manual poking valve of hydraulic reversing valve

By designing an adjustable hydraulic directional valve manual valve operating device, the problems of unstable operation and safety risks in manual valve operation of hydraulic equipment in the prior art have been solved, and stable clamping and flow control of valve platforms of different sizes have been achieved.

CN223690482UActive Publication Date: 2025-12-19SHANDONG IRON & STEEL CO LTD
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Patent Information

Application Number
CN202520511731.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-21
Publication Date
2025-12-19
Estimated Expiration
2035-03-21

AI Technical Summary

Technical Problem

When diagnosing faults in existing hydraulic equipment, manual valve tampering requires prolonged manual operation with a handheld tool, leading to unstable flow and safety risks. Furthermore, existing valve tampering devices are not applicable to hydraulic valve platforms of different sizes.

Method used

An operating device comprising a first support, a second support, a first clamping plate, a second clamping plate, and a valve stem is designed. By adjusting the position of the support and the relative position of the clamping plate, hydraulic directional valves of different lengths and heights can be clamped, and the valve stem can be rotated to complete the valve-pushing action.

Benefits of technology

It enables stable clamping and flow control of hydraulic directional valves of different sizes, reduces the difficulty of valve jacking, and improves the safety and convenience of operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the field of metallurgical machinery, and particularly relates to an operating device for manually poking a hydraulic reversing valve, which is characterized in that a second bracket is arranged on a first bracket in a left-right sliding manner, a first clamping plate is arranged at the lower end of the first bracket, and a second clamping plate is arranged at the lower end of the second bracket; the clamping plate and the second clamping plate are oppositely arranged, the first clamping plate and / or the second clamping plate are / is in threaded connection with the valve poking rod, and the valve poking rod penetrates through the first clamping plate or the second clamping plate, so that the first clamping plate and the second clamping plate can be used for clamping the hydraulic reversing valve, and valve poking is completed by rotating the valve poking rod; stable control over hydraulic flow can be completed, the valve poking difficulty in hydraulic fault judgment is greatly reduced, and the device is simple in structure and convenient to use. The second support is arranged on the first support in a left-right sliding mode, so that the use requirements of hydraulic reversing valves with different lengths are met.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to metallurgical machinery field, and specifically relates to an operating device for manual valve poking of hydraulic reversing valve. BACKGROUND

[0002] Metallurgical enterprises are generally related to hydraulic equipment, especially more hydraulic reversing valves such as proportional valves and servo valves in rolling mill equipment, and some manual valve poking operations are often involved in troubleshooting of some hydraulic valve group faults and hydraulic control system faults.

[0003] At present, when dealing with the fault judgment of inaction of hydraulic equipment, the valve core is poked by hand with a screwdriver and other tools to judge the hydraulic system fault, especially after the completion of the new transformation of the hydraulic pipeline system, the manual valve poking mode is often used for hydraulic pipeline flushing. Manual valve poking must manually hold a screwdriver and other tools for a long time to poke the valve core, and manual operation often causes unstable flow, operator fatigue and other safety risks of abnormal operation of equipment.

[0004] Chinese patent document CN217677611U (202221126522.2) discloses a valve poking device for a blast furnace front three-machine hydraulic valve table, but the fixture size of the valve poking device must be adapted to the hydraulic valve table, and cannot be applied to hydraulic valve tables of different sizes. UTILITY MODEL CONTENTS

[0005] The main purpose of the utility model is to provide an operating device for manual valve poking of a hydraulic reversing valve, which can realize clamping of hydraulic reversing valves of different lengths by the first clamping plate and the second clamping plate by adjusting the relative position of the second support and the first support after installing the device on the reversing valve, and can complete the valve poking action by rotating the valve poking rod.

[0006] The technical problem to be solved by the utility model is solved by the following technical scheme: an operating device for manual valve poking of a hydraulic reversing valve, comprising a first support, a second support, a first clamping plate, a second clamping plate, a valve poking rod and a first fastener.

[0007] The second support is slidably arranged on the first support;

[0008] The first fastener is used to fix the second support on the first support;

[0009] The first clamping plate is arranged at the lower end of the first support, and the second clamping plate is arranged at the lower end of the second support;

[0010] The first clamping plate and the second clamping plate are oppositely arranged;

[0011] A valve rod is threadedly connected to the first clamping plate and / or the second clamping plate, and the valve rod is arranged through the first clamping plate or the second clamping plate.

[0012] The first support comprises a first horizontal rod and a first vertical rod arranged perpendicularly to each other, and a first sliding boss is arranged on the lower surface of the first horizontal rod in the axial direction.

[0013] The second support comprises a second horizontal rod and a second vertical rod arranged perpendicularly to each other, and a first sliding groove is arranged on the upper surface of the second horizontal rod in the axial direction.

[0014] The first sliding boss is arranged in the first sliding groove in a left-right sliding manner. The first sliding boss and the first sliding groove are matched with each other to firmly combine the first support and the second support together, and the distance between the first vertical rod and the second vertical rod can be quickly adjusted.

[0015] The first fastener is a fastening bolt, a first bolt hole is arranged through the first horizontal rod, and the first fastener is in contact with the upper surface of the second horizontal rod through the first bolt hole. The fastening bolt is arranged through the first bolt hole of the first horizontal rod and connected with the second horizontal rod, so that the first support and the second support can be quickly and fixedly connected.

[0016] The first clamping plate and the second clamping plate are arranged at the lower ends of the first vertical rod and the second vertical rod in a detachable manner. The distance between the first clamping plate and the second clamping plate can be adjusted by adjusting the distance between the first vertical rod and the second vertical rod, so as to be suitable for hydraulic reversing valves with different lengths.

[0017] The first clamping plate and the second clamping plate are arranged on the first vertical rod and the second vertical rod in an up-down sliding manner. The distance between the valve rod and the first horizontal rod or the second horizontal rod can be adjusted by adjusting the first clamping plate and the second clamping plate in the axial direction of the first vertical rod and the second vertical rod, so as to be suitable for hydraulic reversing valves with different heights.

[0018] The first vertical rod is provided with a second sliding boss on the left surface in the axial direction, and the first clamping plate is provided with a second sliding groove matched with the second sliding boss.

[0019] The second vertical rod right surface is provided with a third sliding boss in the axial direction, and the second clamping plate is provided with a third sliding groove matched with the third sliding boss.

[0020] The utility model discloses preferably still include second fastener, second fastener is fastening bolt, first clamping plate and second clamping plate are provided with second bolt hole respectively, second fastener passes through second bolt hole and is connected with first vertical rod and second vertical rod respectively. Utilize second fastener and connect first clamping plate and second clamping plate on first vertical rod and second vertical rod respectively, realize detachable connection.

[0021] The utility model discloses preferably, the valve rod includes screw rod, thimble and knob.

[0022] Thimble and knob set up respectively in both ends of screw rod;

[0023] First clamping plate or second clamping plate is provided with third bolt hole matched with screw rod. Through connecting screw rod with third bolt hole on first clamping plate or second clamping plate, then can accurate control thimble's left and right movement. Through setting knob at the end of screw rod, facilitate manual rotation valve rod, is more labor saving.

[0024] Compared with the prior art, the utility model discloses beneficial effect is: the utility model discloses that second support is set up on first support left and right slide, first clamping plate sets up in first support lower extreme, and second clamping plate sets up in second support lower extreme, and clamping plate and second clamping plate are opposite and set up, because first clamping plate and / or second clamping plate are connected with valve rod and valve rod passes through first clamping plate or second clamping plate setting, thus can utilize first clamping plate and second clamping plate and hold hydraulic reversing valve, complete valve by rotating valve rod, can complete the stable control of hydraulic flow, greatly reduce the valve difficulty in hydraulic fault judgment, and its device structure is simple, convenient to use.

[0025] Because second support is set up on first support left and right slide, thus satisfies the use requirement of different length hydraulic reversing valve. ACCURACY

[0026] Figure 1 It is structure schematic drawing for the operation device for hydraulic reversing valve manual valve of the utility model;

[0027] Figure 2 It is structure schematic drawing for first support of the utility model;

[0028] Figure 3This is a schematic diagram of the structure of the second bracket of this utility model;

[0029] Figure 4 This is a schematic diagram of the structure of the first clamping plate of this utility model;

[0030] Figure 5 This is a schematic diagram of the structure of the second clamping plate of this utility model;

[0031] Figure 6 This is a schematic diagram of the valve stem described in this utility model;

[0032] Figure 7 This is a schematic diagram showing the operating state of the manual valve tampering device for hydraulic directional valves described in this utility model.

[0033] In the figure, 1 is the first bracket, 2 is the second bracket, 3 is the first clamping plate, 4 is the second clamping plate, 5 is the valve stem, and 6 is the first fastener;

[0034] 11 First horizontal bar, 12 First vertical bar, 13 First sliding boss, 14 First bolt hole, 15 Second sliding boss;

[0035] 21 Second horizontal bar, 22 Second vertical bar, 23 First sliding groove, 24 Third sliding boss;

[0036] 31 Second sliding groove, 41 Third sliding groove;

[0037] 7 Second fastener, 8 Second bolt hole;

[0038] 51 Screw, 52 Ejector pin, 53 Knob;

[0039] 9. Third bolt hole; 100. Hydraulic directional valve. Detailed Implementation

[0040] The technical solutions in the embodiments of this utility model will now be clearly and completely described in conjunction with the accompanying drawings.

[0041] like Figure 1 As shown, an operating device for manually pawing a hydraulic directional valve includes a first bracket 1, a second bracket 2, a first clamping plate 3, a second clamping plate 4, a pawing rod 5, and a first fastener 6.

[0042] The second bracket 2 is slidably mounted on the first bracket 1.

[0043] The first fastener 6 is used to fix the second bracket 2 onto the first bracket 1.

[0044] The first clamping plate 3 is disposed at the lower end of the first bracket 1, and the second clamping plate 4 is disposed at the lower end of the second bracket 2.

[0045] The first clamping plate 3 and the second clamping plate 4 are oppositely arranged.

[0046] A valve rod 5 is threadedly connected to the first clamping plate 3 and / or the second clamping plate 4, and the valve rod 5 is arranged through the first clamping plate 3 or the second clamping plate 4.

[0047] As shown in Figure 2 The first support 1 comprises a first horizontal rod 11 and a first vertical rod 12 arranged perpendicularly to each other, and the lower surface of the first horizontal rod 11 is axially provided with a first sliding boss 13.

[0048] As shown in Figure 3 The second support 2 comprises a second horizontal rod 21 and a second vertical rod 22 arranged perpendicularly to each other, and the upper surface of the second horizontal rod 21 is axially provided with a first sliding groove 23.

[0049] The first sliding boss 13 is slidably arranged in the first sliding groove 23.

[0050] The first fastener 6 is a fastening bolt, and the first horizontal rod 11 is provided with a first bolt hole 14 therethrough, and the first fastener 6 is in contact with the upper surface of the second horizontal rod 21 through the first bolt hole 14.

[0051] The first clamping plate 3 and the second clamping plate 4 are respectively detachably arranged at the lower ends of the first vertical rod 12 and the second vertical rod 22.

[0052] As shown in Figure 1 The first clamping plate 3 and the second clamping plate 4 are respectively slidably arranged on the first vertical rod 12 and the second vertical rod 22.

[0053] As shown in Figure 2 and Figure 4 The left surface of the first vertical rod 12 is axially provided with a second sliding boss 15, and the first clamping plate 3 is provided with a second sliding groove 31 matched with the second sliding boss 15.

[0054] As shown in Figure 3 and Figure 5 The right surface of the second vertical rod 22 is axially provided with a third sliding boss 24, and the second clamping plate 4 is provided with a third sliding groove 41 matched with the third sliding boss 24.

[0055] As shown in Figure 1 , Figure 4 and Figure 5As shown, the operating device for manually tug the hydraulic directional valve further includes a second fastener 7, which is a fastening bolt. The first clamping plate 3 and the second clamping plate 4 are respectively provided with second bolt holes 8. The second fastener 7 passes through the second bolt holes 8 and is connected to the first vertical rod 12 and the second vertical rod 22 respectively.

[0056] like Figure 6 As shown, the valve stem 5 includes a screw 51, a pin 52, and a knob 53.

[0057] The ejector pin 52 and the knob 53 are respectively located at both ends of the screw 51. Figure 3 and Figure 4 As shown, the first clamping plate 3 and the second clamping plate 4 are respectively provided with third bolt holes 9 that match the screw 51. In this embodiment, the first clamping plate 3 and the second clamping plate 4 are circular, and the third bolt holes 9 are located at the center of the first clamping plate 3 and the second clamping plate 4.

[0058] like Figure 7 As shown, the usage and installation method is as follows: First, insert the first sliding boss 13 on the first horizontal rod 11 into the first sliding groove 23 on the second horizontal rod 21; insert the first clamping plate 3 into the second sliding boss 15 on the first vertical rod 12 through the second sliding groove 31, and insert the second clamping plate 4 into the third sliding boss 24 on the second vertical rod 22 through the third sliding groove 41. A valve stem 5 is installed on the second clamping plate 4. Adjust the distance between the first clamping plate 3 and the second clamping plate 4 according to the size of the hydraulic directional valve 100 to fix the device on the hydraulic directional valve 100, and use the first fastener 6 and the second fastener 7 to fix the device; after installation, rotate the knob 53 as needed to make the ejector pin 52 contact the valve core of the directional valve, completing the manual valve-opening operation. The flow rate can also be controlled by adjusting the knob 53.

[0059] This device enables the directional valve to be checked and the hydraulic flow to be stabilized, greatly reducing the difficulty of checking the valve in hydraulic fault diagnosis. The device is simple in structure, easy to use, and easy to promote.

Claims

1. An operating device for a hydraulic reversing valve hand stab valve, characterized in that: It comprises a first support (1), a second support (2), a first clamping plate (3), a second clamping plate (4), a valve rod (5) and a first fastener (6); The second support (2) is slidably arranged on the first support (1); The first fastener (6) is used for fixing the second support (2) on the first support (1); The first clamping plate (3) is arranged at the lower end of the first support (1), and the second clamping plate (4) is arranged at the lower end of the second support (2); The first clamping plate (3) and the second clamping plate (4) are oppositely arranged; The first clamping plate (3) and / or the second clamping plate (4) are threadedly connected with the valve rod (5), and the valve rod (5) is arranged through the first clamping plate (3) or the second clamping plate (4).

2. An operating device for a hydraulic reversing valve manual stab valve according to claim 1, characterized in that: The first support (1) comprises a first horizontal rod (11) and a first vertical rod (12) arranged perpendicularly to each other, and the lower surface of the first horizontal rod (11) is axially provided with a first sliding boss (13); The second support (2) comprises a second horizontal rod (21) and a second vertical rod (22) arranged perpendicularly to each other, and the upper surface of the second horizontal rod (21) is axially provided with a first sliding groove (23); The first sliding boss (13) is slidably arranged in the first sliding groove (23).

3. An operating device for a hydraulic reversing valve manual stab valve according to claim 2, characterized in that: The first fastener (6) is a fastening bolt, the first horizontal rod (11) is provided with a first bolt hole (14) penetrating therethrough, and the first fastener (6) is in contact with the upper surface of the second horizontal rod (21) through the first bolt hole (14).

4. An operator device for a hydraulic reversing valve manual stab valve according to claim 2, characterized in that: The first clamping plate (3) and the second clamping plate (4) are respectively detachably arranged at the lower ends of the first vertical rod (12) and the second vertical rod (22).

5. An operator device for a hydraulic reversing valve manual stab valve according to claim 4, characterized in that: The first clamping plate (3) and the second clamping plate (4) are respectively slidably arranged on the first vertical rod (12) and the second vertical rod (22).

6. An operating device for a hydraulic reversing valve manual stab valve according to claim 5, characterized in that: The left surface of the first vertical rod (12) is axially provided with a second sliding boss (15), and the first clamping plate (3) is provided with a second sliding groove (31) matched with the second sliding boss (15); The right surface of the second vertical rod (22) is axially provided with a third sliding boss (24), and the second clamping plate (4) is provided with a third sliding groove (41) matched with the third sliding boss (24).

7. An operating device for a hydraulic reversing valve manual stab valve according to claim 3 or 4, characterized in that: It also comprises a second fastener (7), which is a fastening bolt, and the first clamping plate (3) and the second clamping plate (4) are respectively provided with a second bolt hole (8), and the second fastener (7) is connected with the first vertical rod (12) and the second vertical rod (22) through the second bolt hole (8) respectively.

8. An operator for a hydraulic reversing valve manual stab valve according to claim 1, characterized in that: The valve rod (5) comprises a screw rod (51), a thimble (52) and a knob (53); The thimble (52) and the knob (53) are respectively arranged at two ends of the screw rod (51); The first clamping plate (3) or the second clamping plate (4) is provided with a third bolt hole (9) matched with the screw rod (51).