Auxiliary debugging tool for valve limiting

Abstract

An auxiliary debugging tool for valve limit belongs to the technical field of valve switch equipment and is used for conveniently debugging valve limit. According to the technical scheme, the lower plate face of a top plate is connected with a fixing sleeve, a motor and a speed reducer are fixedly installed on the bottom face, at the upper end of an inner hole of the fixing sleeve, of the top plate, a rotating sleeve is located in the inner hole of the fixing sleeve, the upper end face of the rotating sleeve is connected with an output shaft of the speed reducer, and an inner hole of the rotating sleeve is matched with the outer wall of a valve limiting supporting rod; the height adjusting rod is vertically placed and is in sliding fit connection with the edge of one end of the top plate, a rack is fixed to the side wall of the height adjusting rod, a gear is installed at the outer end of the top plate, the gear and the rack are opposite and meshed, and a cam fixing sleeve is installed at the lower end of the height adjusting rod. The valve cam microswitch debugging device is simple in structure and convenient to use, can quickly debug the valve cam microswitch, ensures the limiting accuracy after debugging, and provides good equipment conditions for subsequent production.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of auxiliary debugging tool of valve limiting, belong to valve switch equipment technical field. BACKGROUND

[0002] There are a large number of valves in the metallurgical industry, whether pneumatic or electric, whether on-off valve or regulating valve, there are a large number of micro switches applied to the valve. There are a lot of debugging work in the installation and debugging stage or maintenance and replacement stage of the valve. In the debugging process of the valve, the debugging steps of the micro-limiting are tedious, and repeated testing is required. There are a lot of inaccurate or incorrect phenomena during debugging, especially when debugging the on-off valve, when the valve must be half open and cannot be fully closed, the debugging time needs to be greatly extended, which wastes a lot of debugging manpower. More importantly, the accuracy of the limiting cannot be guaranteed during debugging, and the inaccuracy of the limiting will cause a lot of trouble for subsequent production. Therefore, it is necessary to improve the existing valve debugging. SUMMARY

[0003] The technical problem to be solved by the utility model is to provide an auxiliary debugging tool for valve limiting. This auxiliary debugging tool can quickly debug the valve cam micro switch and ensure the accuracy of the limiting after debugging, providing good equipment conditions for subsequent production.

[0004] The technical solution to solve the above technical problems is:

[0005] An auxiliary debugging tool for valve limiting includes a top plate, a fixed sleeve, a motor, a speed reducer, a rotating sleeve, a height adjusting rod, a rack, an adjusting gear, and a cam fixed sleeve. The top plate is a horizontally placed rectangular plate. The lower surface of the top plate is connected to the fixed sleeve. The lower end of the fixed sleeve is open. The motor and the speed reducer are fixedly installed on the top surface of the fixed sleeve. The rotating sleeve is located in the inner hole of the fixed sleeve. The upper end surface of the rotating sleeve is connected to the output shaft of the speed reducer. The outer wall of the rotating sleeve is in rotational cooperation with the inner hole wall of the fixed sleeve. The inner hole of the rotating sleeve matches the outer wall of the valve limiting support rod. The height adjusting rod is vertically placed. The height adjusting rod is in sliding cooperation with the edge of one end of the top plate. The rack is fixed on the side wall opposite to the top plate along the length direction of the height adjusting rod. The adjusting gear is installed on the outer end of the top plate. The adjusting gear is opposite to and engaged with the rack of the height adjusting rod. The cam fixed sleeve is installed on the lower end of the height adjusting rod. The cam fixed sleeve is located on one side of the height adjusting rod and opposite to the lower end of the rotating sleeve.

[0006] The other end of the top plate is provided with a handle, the opposite end of the height adjusting rod is provided with a vertical sliding groove, the cross section of the sliding groove is trapezoidal, the long bottom of the trapezoidal cross section is located at the bottom surface of the sliding groove, the short bottom of the trapezoidal cross section is located at the outer edge of the top plate, the opposite side wall of the height adjusting rod is provided with a protruding sliding strip, the cross section of the sliding strip is trapezoidal, the trapezoidal cross section of the sliding strip is matched with the trapezoidal cross section of the sliding groove, the sliding strip is embedded in the sliding groove at the edge of the top plate, the sliding strip is in sliding fit with the sliding groove, and the rack is fixed to the front end surface of the trapezoidal sliding strip of the height adjusting rod.

[0007] The outer end of the top plate is fixedly welded with two gear support plates, the centers of the two gear support plates are respectively provided with shaft holes, the two ends of the gear shaft are respectively installed in the shaft holes of the two gear support plates, the gear shaft is in rotating fit with the shaft hole, and the outer end of the gear shaft is provided with a manual rotating disc.

[0008] The inner hole cross section of the rotating sleeve is hexagonal, the hexagonal cross section inner hole of the rotating sleeve is matched with the outer wall of the hexagonal rod body of the valve limiting support rod, and the inner hole of the rotating sleeve is in sliding fit with the rod body of the valve limiting support rod.

[0009] The cam fixing sleeve is a circular sleeve made of elastic rubber, the inner diameter of the cam fixing sleeve is matched with the diameter of the cam of the valve cam microswitch, the width of the cam fixing sleeve is greater than the height of the cam of the valve cam microswitch, and the cam fixing sleeve is tightly sleeved on the outer wall of the cam of the valve cam microswitch.

[0010] The utility model discloses a beneficial effect is:

[0011] The motor and the speed reducer can drive the rotating sleeve to rotate, the rotating sleeve is sleeved on the rod body of the valve limiting support rod, can drive the rod body of the valve limiting support rod to rotate, and adjusts the contact of the valve cam microswitch.

[0012] The utility model discloses simple structure, convenient to use can be fast to valve cam microswitch is adjusted, guarantees the limiting accuracy after adjusting, provides good equipment condition for subsequent production. DRAWINGS

[0013] Figure 1This is a schematic diagram of the structure of this utility model;

[0014] Figure 2 yes Figure 1 Top view;

[0015] Figure 3 This is a schematic diagram of the usage state of this utility model.

[0016] The following components are marked in the diagram: Top plate 1, Handle 2, Fixing sleeve 3, Motor 4, Reducer 5, Rotating sleeve 6, Height adjustment rod 7, Rack 8, Adjusting gear 9, Cam fixing sleeve 10, Sliding groove 11, Sliding bar 12, Gear support plate 13, Manual turntable 14, Valve limit support rod 15, Cam 16. Detailed Implementation

[0017] This utility model consists of a top plate 1, a handle 2, a fixing sleeve 3, a motor 4, a reducer 5, a rotating sleeve 6, a height adjustment rod 7, a rack 8, an adjusting gear 9, a cam fixing sleeve 10, a gear support plate 13, and a manual turntable 14.

[0018] Figure 1 , 2 The top plate 1 is a horizontally placed rectangular plate. A handle 2 is installed at one end of the top plate, and a height adjustment rod 7 is connected to the other end of the top plate. A fixing sleeve 3 is connected to the lower surface of the top plate 1. The lower end of the fixing sleeve 3 is open. The bottom surface of the top plate 1 is fixedly installed at the upper end of the inner hole of the fixing sleeve 3. A motor 4 and a reducer 5 are fixedly installed on the bottom surface of the top plate 1 at the upper end of the inner hole of the fixing sleeve 3.

[0019] Figure 1 , 3 As shown, the rotating sleeve 6 is located in the inner hole of the fixed sleeve 3. The upper end face of the rotating sleeve 6 is connected to the output shaft of the reducer 5. The motor 4 and the reducer 5 can drive the rotating sleeve 6 to rotate. The outer wall of the rotating sleeve 6 is in rotational fit with the inner wall of the fixed sleeve 3.

[0020] Figure 1 , 3 The rotating sleeve 6 has a hexagonal inner cross-section, which matches the outer wall of the hexagonal rod of the valve limiting support rod 14. The inner hole of the rotating sleeve 6 and the rod of the valve limiting support rod 14 are in a sliding fit. In use, the rotating sleeve 6 is fitted onto the rod of the valve limiting support rod 14. The motor 4 and the reducer 5 drive the rotating sleeve 6 to rotate, which in turn rotates the rod of the valve limiting support rod 14, adjusting the contact of the cam 16 of the valve cam microswitch.

[0021] Figure 1 , 2The top plate 1 is movably connected with the height adjusting rod 7 through the sliding groove 11 and the sliding bar 12.

[0022] Figure 1 , 2 The sliding of the sliding groove 11 and the sliding bar 12 is driven by the rack 8 and the adjusting gear 9.

[0023] Figure 1 , 3 The lower end of the height adjusting rod 7 is provided with a cam fixing sleeve 10, the cam fixing sleeve 10 is located on one side of the height adjusting rod 7, and the cam fixing sleeve 10 is opposite to the lower end of the rotating sleeve 6.

[0024] The use process of the utility model is as follows:

[0025] The height adjusting rod 7 can make the cam 16 of the valve cam microswitch move up and down through the cam fixing sleeve 10, so that the cam 16 of the valve cam microswitch is separated from the key groove and is in an adjustable state.

[0026] ​​Then dial the hand wheel 14 drive adjusting gear 9 rotation, adjusting gear 9 drive rack 8 movement, rack 8 drive height adjustment rod 7 movement, height adjustment rod 7 connection cam fixed sleeve 10 drive valve cam micro switch cam 16 movement, make cam 16 from the key groove, in adjustable state;

[0027] Press the power button of motor 4, motor 4 and reducer 5 drive rotating sleeve 6 rotation, rotating sleeve 6 drive valve limit support rod 0.4r / min rotation, when the valve cam micro switch cam 16 contact trigger on the valve limit support rod 14 rod body, stop the rotation of motor 4, start the button of motor 4 reset, motor 4 and reducer 5 through rotating sleeve 6 drive valve limit support rod 14 reset;

[0028] Again dial the hand wheel 14 drive adjusting gear 9 rotation, make rack 8 drive height adjustment rod 7 reverse movement, height adjustment rod 7 connection cam fixed sleeve 10 drive valve cam micro switch cam 16 restore to the key groove position;

[0029] Remove the cam fixed sleeve 10 and rotating sleeve 6 on the valve limit support rod 14 valve cam micro switch cam 16 constraint, a valve cam micro switch adjustment is completed;

[0030] Repeat the above steps to adjust the other valve cam micro switch, valve limit adjustment is completed.

[0031] One embodiment of the utility model is as follows:

[0032] The length of the top plate 1 is 90mm, the width is 100mm, and the thickness is 150mm;

[0033] The length of the handle 2 is 80mm, the width is 20mm, and the thickness is 25mm;

[0034] The outer diameter of the fixed sleeve 3 is 80mm, the inner hole diameter is 50mm, and the length is 150mm;

[0035] The model of the motor 4 is GA12-N20;

[0036] The model of the reducer 5 is GA12-N20;

[0037] The outer diameter of the rotating sleeve 6 is 49.9mm, and the length is 110mm;

[0038] The height adjustment rod 7 is convex, the length is 350mm, and the width is 20mm;

[0039] The length of the rack 8 is 200mm, the width is 20mm, and the thickness is 2mm;

[0040] The diameter of the adjusting gear 9 is 6mm;

[0041] The cam fixing sleeve 10 is a circular sleeve made of elastic rubber material, with an outer diameter of 16 mm, an inner hole diameter of 15 mm, and a width of 4 mm.

Claims

1. An auxiliary commissioning tool for valve limit setting, characterized in that: It includes top plate (1), fixed sleeve (3), motor (4), reducer (5), rotating sleeve (6), height adjustment rod (7), rack (8), adjusting gear (9), cam fixed sleeve (10), the top plate (1) is horizontally placed rectangular plate, the lower plate surface of top plate (1) is connected fixed sleeve (3), the lower end of fixed sleeve (3) is open, the bottom surface of top plate (1) is fixedly installed motor (4) and reducer (5) in the upper end hole of fixed sleeve (3), rotating sleeve (6) is located in the inner hole of fixed sleeve (3), the upper end surface of rotating sleeve (6) is connected with the output shaft of reducer (5), the outer wall of rotating sleeve (6) is rotationally matched with the inner hole wall of fixed sleeve (3), the inner hole of rotating sleeve (6) is matched with the outer wall of valve limiting support rod (15), height adjustment rod (7) is vertically placed, one end edge of height adjustment rod (7) and top plate (1) is slidingly connected, rack (8) is fixed on the side wall opposite to top plate of height adjustment rod (7), rack (8) is along the length direction of height adjustment rod (7), the outer end of top plate (1) is installed adjusting gear (9), adjusting gear (9) is opposite to and engaged with rack (8) of height adjustment rod (7), the lower end of height adjustment rod (7) is installed cam fixed sleeve (10), cam fixed sleeve (10) is located on one side of height adjustment rod (7), cam fixed sleeve (10) is opposite to the lower end of rotating sleeve (6).

2. The valve-limited commissioning tool of claim 1, wherein: The other end of top plate (1) is installed handle (2), the end opposite to top plate (1) and height adjustment rod (7) has vertical sliding groove (11), the cross section of sliding groove (11) is trapezoidal, the long bottom of trapezoidal cross section is located at the bottom surface of sliding groove (11), the short bottom of trapezoidal cross section is located at the outer edge of top plate (1), the side wall opposite to top plate (1) of height adjustment rod (7) has protruding sliding bar (12), the cross section of sliding bar (12) is trapezoidal, the trapezoidal cross section of sliding bar (12) is matched with the trapezoidal cross section of sliding groove (11), sliding bar (12) is embedded in sliding groove (11) of the edge of top plate (1), sliding bar (12) and sliding groove (11) are slidingly matched, rack (8) is fixed at the front end surface of protruding sliding bar (12) of height adjustment rod (7).

3. The valve-limited commissioning tool of claim 1, wherein: The outer end of top plate (1) is fixedly welded with two gear support plates (13), the center of two gear support plates (13) has shaft hole respectively, the two ends of gear shaft are installed in the shaft holes of two gear support plates (13) respectively, gear shaft and shaft hole are rotationally matched, the outer end of gear shaft is installed hand rotating disc (14).

4. The valve-limited commissioning tool of claim 1, wherein: The inner hole cross section of rotating sleeve (6) is hexagonal, the hexagonal cross section inner hole of rotating sleeve (6) is matched with the outer wall of hexagonal rod body of valve limiting support rod (15), the inner hole of rotating sleeve (6) and the rod body of valve limiting support rod (15) are slidingly matched.

5. The valve-limited commissioning tool of claim 1, wherein: The cam fixed sleeve (10) is a circular sleeve made of elastic rubber material, the inner diameter of the cam fixed sleeve (10) matches the diameter of the cam (16) of the valve cam microswitch, the width of the cam fixed sleeve (10) is greater than the height of the cam (16) of the valve cam microswitch, and the cam fixed sleeve (10) is tightly sleeved on the outer wall of the cam (16) of the valve cam microswitch.

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