Ship lock reverse arc valve lifting lug shaft hole axis positioning device
By designing the axial positioning device for the reverse arc valve hoist trunnion hole of the ship lock, the problem of uncertain axial position of the trunnion hole of the reverse arc door hoist is solved, high-precision and rapid positioning and repair are achieved, and the use of the reverse arc door is extended. life.
Patent Information
- Application Number
- CN202421379064.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-17
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-06-17
AI Technical Summary
The trunnion hole of the ship lock reverse arc door crane is rusted and worn due to frequent operation, resulting in uncertainty in the axis position, affecting the accurate installation of the repair equipment, and posing safety hazards.
A reverse arc valve retractor valve trunnion hole axial positioning device is designed, including axial positioning device and radial positioning device of the trunnion hole. By calibrating the cylinder, connecting bracket, adjusting bracket and telescopic center rod and other components , realize accurate positioning of the axis.
It realizes high-precision and rapid positioning of the trunnion center of the reverse arc door crane, ensures the rapid and accurate installation of the repair equipment, improves the stress state of the opening and closing operation of the reverse arc door, and extends the service life.
Smart Images

Figure CN222528538U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of ship lock reverse arc door maintenance, in particular to a ship lock reverse arc valve hanging ear axis hole axis center positioning device. Background Art
[0002] The anti-arc gate is a water delivery valve for high-head ship locks. The lock chamber is filled and discharged by opening and closing the anti-arc gate. The anti-arc gate is opened and closed by dynamic water. The working conditions are relatively bad. The ship lock is operated at high load and the anti-arc gate is opened and closed frequently. After years of frequent operation, the trunnion shaft hole of the ship lock anti-arc gate has rusted, worn, enlarged, and deformed, which intensifies the collision between the hanging shaft and the trunnion shaft hole, destroys or damages the local structure of the trunnion of the anti-arc gate, and creates safety hazards.
[0003] The on-site repair of the lifting ear shaft hole requires accurate positioning of the original processing size of the lifting ear shaft hole to provide an accurate repair benchmark for the repair equipment. Therefore, in order to solve the problem of how to quickly locate the axis center of the lifting ear shaft hole of the reverse arc gate of the ship lock, the utility model provides a device and method for locating the axis center of the lifting ear shaft hole of the reverse arc valve of the ship lock, which can realize the accurate positioning of the axis center of the lifting ear of the reverse arc gate, thereby providing a benchmark for the rapid installation of the lifting ear shaft hole repair equipment and eliminating equipment hidden dangers. Utility Model Content
[0004] Aiming at the problem of how to quickly locate the axis center of the ear shaft hole of the reverse arc gate of a ship lock, the utility model proposes an axis center positioning device and a positioning method for the ear shaft hole of the reverse arc valve of a ship lock, wherein an ear shaft hole axis center positioning device is arranged to ensure the accurate positioning of the axial and radial axis center positions of the damaged ear shaft hole, and provide a reference for the rapid installation of the ear shaft hole repair equipment, thereby realizing high-precision and rapid positioning and repair of the damaged ear shaft hole of the reverse arc gate, improving the stress state of the reverse arc gate during opening and closing operation, and extending the service life of the reverse arc gate.
[0005] In order to realize the above technical features, the purpose of the utility model is achieved as follows: a device for locating the axis center of the lifting ear of the reverse arc valve of a ship lock, comprising a reverse arc door, the reverse arc door is provided with a hinge shaft and a support seat, and a door body lifting ear, the hinge shaft and the support seat are fixedly installed on the valve well foundation, the door body lifting ear is connected to the suspension rod through a pin shaft, and the reverse arc door is driven to rotate around the hinge shaft and the support seat under the action of the hoist to realize the opening and closing action;
[0006] A lifting ear axis hole axial center positioning device is arranged at the hinge shaft and support seat of the reverse arc door and the lifting ear of the door body; the lifting ear axis hole axial center positioning device includes a lifting ear axis hole axial positioning device for axially positioning the lifting ear axis hole and a lifting ear axis hole radial positioning device for radially positioning the lifting ear axis hole.
[0007] The lifting ear shaft hole axial positioning device is symmetrically arranged along both sides of the shaft hole of the door body lifting ear of the reverse arc door.
[0008] The axial positioning device of the lifting ear axis hole includes a correction cylinder, a connecting bracket, an adjustment bracket, and a telescopic center rod. The adjustment bracket is welded on the upstream water guide plate of the door leaf of the reverse arc door. The correction cylinder is fixed on the adjustment bracket and symmetrically installed on both sides of the axis hole of the door body lifting ear. The correction cylinders on both sides of the axis hole are fixedly connected by the connecting bracket at the same time, and the telescopic center rods are respectively installed on the left and right ends of each correction cylinder.
[0009] The radial positioning device of the lifting ear axis hole includes a positioning device for the hinge shaft center along the axis direction of the lifting ear axis hole and a positioning device for the lower edge of the water stop seat plate at the bottom of the reverse arc door to the axis direction of the lifting ear hole;
[0010] The device for positioning the hinge shaft center along the axis direction of the hanging ear axis hole is a positioning device arranged with the hinge shaft axis of the reverse arc door as a reference, and the positioning device adopts a measuring tool, which is arranged between the hinge shaft axis of the reverse arc door and the axis of the door body hanging ear;
[0011] The device for positioning the lower edge of the bottom water-stop seat plate of the reverse arc door to the axial center of the lifting ear hole is to arrange a wire-drawing distance measuring instrument between the lower edge of the bottom water-stop seat plate and the axial center of the axial hole of the door body lifting ear.
[0012] The lifting ear axis hole axis center positioning device also includes an identification plate, which is welded to the side water stop seat plates on the left and right sides of the reverse arc door, and the identification plate is perpendicular to the axis of the axis hole of the door body lifting ear of the reverse arc door.
[0013] The device for positioning the hinge shaft center along the axis direction of the hanging ear axis hole also includes a triangular plate for positioning the hinge shaft and the hinge shaft axis of the support seat, and the triangular plate positions the hinge shaft axis through the outer circular end surface of the hinge shaft.
[0014] The measuring tool comprises a plurality of cylinders of different diameters, and a hinge axis center positioning column is fixed on the cylinder located on the side where the hinge axis is located;
[0015] A lifting ear hole axis center positioning column is fixed on the cylinder body at the side where the door body lifting ear is located.
[0016] The utility model has the following beneficial effects:
[0017] 1. The utility model has a clear and simple structural principle, is easy to install, and is easy to accurately locate on site.
[0018] 2. The utility model can accurately locate the axial and radial axis positions of the hanging ear shaft hole, and the hanging ear shaft hole repair equipment can be quickly and accurately installed, so as to realize high-precision and rapid positioning and repair of the damaged hanging ear shaft hole of the reverse arc door.
[0019] 3. The utility model improves the stress state of the reverse arc door during opening and closing operation, and prolongs the service life of the reverse arc door.
[0020] 4. The above-mentioned lifting ear shaft hole axial positioning device ensures that the shaft hole position of the door body lifting ear can be positioned later.
[0021] 5. The radial positioning of the ear shaft hole can be achieved by the above-mentioned ear shaft hole radial positioning device.
[0022] 6. The axis positioning of the door body lifting ear can be achieved through the above-mentioned lifting ear axis hole axis positioning device.
[0023] 7. The above-mentioned triangular plate can be used to position the axis of the hinge shaft. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0025] Figure 1 It is a front view of the arrangement of the axial center positioning device of the lifting ear shaft hole of the utility model during the positioning process.
[0026] Figure 2 It is a side view of the arrangement of the locating device for the axial center of the hanging ear hole of the utility model during the positioning process.
[0027] Figure 3 It is a top view of the device for positioning the hinge shaft center along the axial direction of the hanging ear shaft hole of the utility model.
[0028] Figure 4 It is a schematic diagram of the axis positioning area of the anti-arc door hanging ear axis hole of the utility model.
[0029] Figure 5 This is the front view of the measuring tool of the present utility model.
[0030] In the figure: reverse arc door 1, hinge shaft and supporting seat 2, door body lifting ear 3, door body lifting ear 3, pin shaft 4, hanging rod 5, lifting ear axis hole axial positioning device 6, lifting ear axis hole axial positioning device 7, lifting ear axis hole radial positioning device 8, hinge shaft center along the lifting ear axis hole axial direction positioning device 9, reverse arc door bottom water stop seat plate lower edge to lifting ear hole axial direction positioning device 10, measuring tool 11, bottom edge of bottom water stop seat plate 12, pull-wire distance measuring instrument 13, correction cylinder 14, connecting bracket 15, adjustment bracket 16, telescopic center rod 17, door leaf upstream water guide plate 18, identification plate 19, side water stop seat plate 20, triangle plate 21, processing position I 22, processing position II 23, axis positioning area 24. DETAILED DESCRIPTION
[0031] The embodiments of the present utility model are further described below in conjunction with the accompanying drawings.
[0032] Embodiment 1:
[0033] like Figure 1-5As shown, a device for locating the axis center of the lifting ear of a reverse arc valve of a ship lock comprises a reverse arc gate 1, wherein the reverse arc gate 1 is provided with a hinge shaft and a supporting seat 2, and a door body lifting ear 3, wherein the hinge shaft and the supporting seat 2 are fixedly mounted on the valve well foundation, and the door body lifting ear 3 is connected to the suspension rod 5 through a pin shaft 4, and the reverse arc gate 1 is driven to rotate around the hinge shaft and the supporting seat 2 under the action of the hoist to realize the opening and closing action; an ear axis hole axis center positioning device 6 is arranged at the hinge shaft and the supporting seat 2 of the reverse arc gate 1 and the door body lifting ear 3; the ear axis hole axis center positioning device 6 comprises an ear axis hole axial positioning device 7 for axially positioning the ear axis hole and an ear axis hole radial positioning device 8 for radially positioning the ear axis hole. By installing the trunnion shaft hole axis positioning device, the accurate axial and radial axis positioning of the damaged trunnion shaft hole is ensured, providing a reference for the rapid installation of the trunnion shaft hole repair equipment, thereby achieving high-precision and rapid positioning and repair of the damaged trunnion shaft hole of the reverse arc door, improving the stress state of the reverse arc door during opening and closing operation, and extending the service life of the reverse arc door.
[0034] Furthermore, the ear axis hole axial positioning device 7 is symmetrically arranged on both sides of the axis hole of the door body ear 3 of the reverse arc door 1. The symmetrically arranged ear axis hole axial positioning device 7 ensures that the axis hole position of the door body ear 3 can be positioned later.
[0035] Furthermore, the axial positioning device 7 for the hanging ear axis hole includes a correction cylinder 14, a connecting bracket 15, an adjustment bracket 16, and a telescopic center rod 17. The adjustment bracket 16 is welded on the upstream water guide plate 18 of the door leaf of the reverse arc door 1. The correction cylinder 14 is fixed on the adjustment bracket 16 and symmetrically installed on both sides of the axis hole of the door body hanging ear 3. The correction cylinders 14 located on both sides of the axis hole are fixedly connected by the connecting bracket 15 at the same time, and the left and right ends of each correction cylinder 14 are respectively installed with a telescopic center rod 17. The above-mentioned hanging ear axis hole axial positioning device 7 ensures that the axis hole position of the door body hanging ear 3 can be positioned later.
[0036] Furthermore, the radial positioning device 8 for the hanging ear axis hole comprises a positioning device 9 for the hinge axis center along the axis direction of the hanging ear axis hole and a positioning device 10 for the lower edge of the bottom water stop seat plate of the reverse arc door to the axis direction of the hanging ear hole; the positioning device 9 for the hinge axis center along the axis direction of the hanging ear axis hole is a positioning device arranged with the hinge axis of the reverse arc door 1 as a reference, and the positioning device adopts a measuring tool 11, and the measuring tool 11 is arranged between the hinge axis of the reverse arc door 1 and the axis of the axis hole of the door body hanging ear 3; the positioning device 10 for the lower edge of the bottom water stop seat plate of the reverse arc door to the axis direction of the hanging ear hole is a wire-drawing distance measuring instrument 13 arranged between the lower edge 12 of the bottom water stop seat plate and the axis of the axis hole of the door body hanging ear 3. The radial positioning of the hanging ear axis hole can be achieved by the above-mentioned radial positioning device 8 for the hanging ear axis hole.
[0037] Furthermore, the lifting ear axis hole axis center positioning device 6 also includes an identification plate 19, which is welded to the side water stop seat plates 20 on the left and right sides of the reverse arc door 1, and the identification plate 19 is perpendicular to the axis of the axis hole of the door body lifting ear 3 of the reverse arc door 1. The above-mentioned lifting ear axis hole axis center positioning device 6 can realize the axis hole axis positioning of the door body lifting ear 3.
[0038] Furthermore, the hinge axis center positioning device 9 along the axis center direction of the trunnion axis hole also includes a triangular plate 21 for positioning the hinge axis and the hinge axis center of the support seat 2. The triangular plate 21 positions the hinge axis center through the outer circular end surface of the hinge axis. The triangular plate 21 can achieve the effect of positioning the hinge axis center.
[0039] Furthermore, the measuring tool 11 includes multiple sections of cylinders with different diameters, a hinge axis center positioning column 1101 is fixed on the cylinder located at the hinge axis side, and a hanging ear hole axis center positioning column 1102 is fixed on the cylinder located at the door body hanging ear 3 side. The above-mentioned measuring tool 11 can realize the positioning between the hinge axis and the axis hole center of the door body hanging ear 3.
[0040] Embodiment 2:
[0041] A method for locating the axis center of a trunnion hole of a reverse arc-shaped valve of a ship lock, wherein the positioning method is implemented by using the axis center positioning device, and comprises the following steps:
[0042] Step 1: lower the inspection flat door, close the valve completely, drain the valve well, remove the pin shaft 4 to disengage the suspension rod 5 from the lifting ear shaft hole of the door body lifting ear 3 of the reverse arc door 1;
[0043] Step 2: Remove the hinge shaft oil seal pressure plates of the hinge shafts on the left and right sides of the reverse arc door 1 and the support seat 2, locate the hinge shaft axis through the triangular plate 21 in conjunction with the outer circular end surface of the hinge shaft, and mark it;
[0044] Step 3: On the water-stop seat plates 20 on the left and right sides of the reverse arc door 1, two identification plates 19 capable of adjusting the distance along the axial direction are welded along the axial direction of the axial hole of the door body lifting ear 3 of the reverse arc door 1, and the identification plates 19 are perpendicular to the axial hole axis of the door body lifting ear 3 of the reverse arc door 1;
[0045] Step 4: Arrange the hinge axis center positioning device 9 along the axis direction of the hanging ear axis hole to the hinge axis of the reverse arc door 1, and mark the processing position Ⅰ22 from the hinge axis of the reverse arc door 1 to the axis of the axis of the door body hanging ear 3 on the identification plate 19 at the other end;
[0046] Step 5: Remove the bottom water stop of the reverse arc door 1, use the wire-type distance measuring instrument 13 to locate the processing position II23 from the lower edge 12 of the bottom water stop seat plate to the axis of the axial hole of the door body hanging ear 3, and lead the processing position II23 to the mark plate 19;
[0047] Step 6: The marked processing position I 22 and the marked processing position II 23 form the axis positioning area 24 of the reverse arc door 1 on the marking plate 19;
[0048] Step 7: Install the correction cylinder 14 of the ear axis hole axial positioning device 7 to the axis hole of the door body ear 3, initially adjust the telescopic center rods 17 on both sides to the axis positioning area 24 of the door body ear 3, use the connecting bracket 15 to connect the correction cylinders 14 on both sides to make them coaxial, use the adjustment bracket 16 to fix the correction cylinder 14 to the upstream water guide plate 18 of the door leaf of the reverse arc door 1, finely adjust the telescopic center rod 17 to the axis positioning area 24 of the door body ear 3, and then complete the axis position positioning of the door body ear 3;
[0049] Step eight: Use the axis of the telescopic center rod 17 on the inner side of the correction cylinder 14 near the axis hole of the door body ear 3, and use a ruler to draw a circle larger than the axis hole of the door body ear 3 on the door body ear 3. Then, the axis center position of the axis hole of the door body ear 3 of the damaged reverse arc door 1 can be located with high precision, thereby achieving high-precision positioning of the axis hole center of the door body ear 3 of the reverse arc door 1, providing a basis for the installation of the axis hole repair equipment of the damaged door body ear 3, and achieving rapid repair of the axis hole of the door body ear 3.
Claims
1. A device for locating the axis center of the trunnion hole of a reverse arc valve of a ship lock, characterized in that: The invention comprises a reverse arc door (1), wherein the reverse arc door (1) is provided with a hinge shaft and a support seat (2), and a door body lifting lug (3), wherein the hinge shaft and the support seat (2) are fixedly mounted on a valve well foundation, and the door body lifting lug (3) is connected to a suspension rod (5) via a pin shaft (4), and under the action of a hoist, the reverse arc door (1) is driven to rotate around the hinge shaft and the support seat (2) to realize an opening and closing action; A lifting ear axis hole axial center positioning device (6) is provided at the hinge shaft and the support seat (2) of the reverse arc door (1) and the door body lifting ear (3); the lifting ear axis hole axial center positioning device (6) comprises a lifting ear axis hole axial positioning device (7) for axially positioning the lifting ear axis hole and a lifting ear axis hole radial positioning device (8) for radially positioning the lifting ear axis hole.
2. According to claim 1, a device for locating the axis center of the trunnion hole of a reverse arc valve of a ship lock, characterized in that: The lifting ear shaft hole axial positioning devices (7) are symmetrically arranged along the two sides of the shaft hole of the door body lifting ear (3) of the reverse arc door (1).
3. According to claim 2, a device for locating the axis center of the trunnion hole of a reverse arc valve of a ship lock, characterized in that: The axial positioning device (7) for the hanging ear axis hole comprises a correction cylinder (14), a connecting bracket (15), an adjustment bracket (16), and a telescopic center rod (17). The adjustment bracket (16) is welded to the upstream water guide plate (18) of the door leaf of the reverse arc door (1). The correction cylinder (14) is fixed to the adjustment bracket (16) and symmetrically installed on both sides of the axis hole of the door body hanging ear (3). The correction cylinders (14) located on both sides of the axis hole are fixedly connected by the connecting bracket (15) at the same time. The telescopic center rod (17) is installed at the left and right ends of each correction cylinder (14) respectively.
4. The device for locating the axis center of the trunnion hole of a reverse arc valve of a ship lock according to claim 3, characterized in that: The radial positioning device (8) of the lifting ear axis hole comprises a positioning device (9) for positioning the hinge shaft center along the axis direction of the lifting ear axis hole and a positioning device (10) for positioning the lower edge of the anti-arc door bottom water stop seat plate to the axis direction of the lifting ear hole; The device (9) for positioning the hinge axis center along the axis center direction of the hanging ear axis hole is a positioning device arranged with the hinge axis center of the reverse arc door (1) as a reference, and the positioning device adopts a measuring tool (11), and the measuring tool (11) is arranged between the hinge axis center of the reverse arc door (1) and the axis center of the axis hole of the door body hanging ear (3); The device (10) for positioning the lower edge of the bottom water stop seat plate of the reverse arc door to the axial center of the lifting ear hole is a device for arranging a wire-type distance measuring instrument (13) between the lower edge of the bottom water stop seat plate (12) and the axial center of the axial hole of the door body lifting ear (3).
5. The device for locating the axis center of the trunnion hole of the reverse arc valve of a ship lock according to claim 4, characterized in that: The lifting ear axis hole axis center positioning device (6) further comprises an identification plate (19), the identification plate (19) being welded to the side water stop seat plates (20) on the left and right sides of the reverse arc door (1), the identification plate (19) being perpendicular to the axis of the axis hole of the door body lifting ear (3) of the reverse arc door (1).
6. The device for locating the axis center of the trunnion hole of the reverse arc valve of a ship lock according to claim 5, characterized in that: The device (9) for positioning the hinge shaft center along the axis center direction of the hanging ear shaft hole also includes a triangular plate (21) for positioning the hinge shaft center of the hinge shaft and the support seat (2); the triangular plate (21) positions the hinge shaft center through the outer circular end surface of the hinge shaft.
7. The device for locating the axis center of the trunnion hole of a reverse arc valve of a ship lock according to claim 6, characterized in that: The measuring tool (11) comprises a plurality of cylinders with different diameters, and a hinge axis center positioning column (1101) is fixed on the cylinder located on the hinge axis side; A lifting ear hole axis positioning column (1102) is fixed on the cylinder body at the side where the door body lifting ear (3) is located.