阅读说明：本技术 升船机安全机构间隙调整装置及其调整方法 (Ship lift safety mechanism gap adjusting device and adjusting method thereof ) 是由 闫晓青 汤伟毕 齐俊麟 杨靖 陶然 龚国庆 于 2020-03-09 设计创作，主要内容包括：一种升船机安全机构间隙调整装置及其调整方法,包括联轴器和驱动装置,联轴器包括下回旋支撑盘、连接轴和抱箍,下回旋支撑盘与连接轴同轴连接,抱箍用于将下回旋支撑盘与安全机构驱动轴的上回旋支撑盘连接。本装置通过双向棘轮扳手换向功能,实现安全机构螺纹副上间隙和安全机构螺纹副下间隙快速调整,调整精准,安装与检修方便,棘轮上的角度刻度和手柄上的位置指针可准确得到间隙调整的高度数据,提高安全机构间隙调整的精确度和效率。(The utility model provides a ship lift safety mechanism clearance adjustment device and adjustment method thereof, includes shaft coupling and drive arrangement, and the shaft coupling includes lower supporting disk that circles round, connecting axle and staple bolt, and lower supporting disk that circles round is connected with the connecting axle is coaxial, and the staple bolt is used for connecting lower supporting disk that circles round with the last supporting disk that circles round of safety mechanism drive shaft. This device passes through two-way ratchet spanner switching-over function, realizes clearance quick adjustment under the vice clearance of going up of safety mechanism screw thread and the safety mechanism screw thread, and the adjustment is accurate, and the installation is convenient with the maintenance, and angle scale on the ratchet and the position pointer on the handle can accurately obtain clearance adjustment's high data, improves safety mechanism clearance adjustment's accuracy and efficiency.)

1. The utility model provides a ship lift safety mechanism clearance adjustment device, includes shaft coupling (1) and drive arrangement (2), its characterized in that: the coupler (1) comprises a lower convolution supporting plate (11), a connecting shaft (12) and an anchor ear (13), wherein the lower convolution supporting plate (11) is coaxially connected with the connecting shaft (12), and the anchor ear (13) is used for connecting the lower convolution supporting plate (11) with an upper convolution supporting plate (3) of a driving shaft of a safety mechanism.

2. The ship lift safety mechanism clearance adjustment device of claim 1, wherein: the lower convolution supporting disc (11) is of a spline ring structure, and the spline ring structure is used for being meshed with the spline ring structure of the upper convolution supporting disc (3).

3. The ship lift safety mechanism clearance adjustment device of claim 1, wherein: the anchor ear (13) comprises two circular arc-shaped fixed groove plates (13.1), and the two circular arc-shaped fixed groove plates (13.1) are detachably connected; one ends of the two arc-shaped fixed groove plates (13.1) are hinged, and the other ends are fixed through bolts; the inner wall of the circular arc-shaped fixed slotted plate (13.1) is of a groove structure.

4. The ship lift safety mechanism clearance adjustment device of claim 1, wherein: the driving device (2) is a bidirectional ratchet wrench, and the bidirectional ratchet wrench is used for driving the connecting shaft (12) to rotate; the bidirectional ratchet wrench comprises a ratchet wheel (21), wherein an annular convex tooth is arranged at the center of the ratchet wheel (21), an annular tooth groove is arranged at the lower part of the connecting shaft (12), and the annular tooth groove is matched with the annular convex tooth.

5. The ship lift safety mechanism clearance adjustment device of claim 4, wherein: a scale ring disc (22) and a pointer (23) are arranged on the bidirectional ratchet wrench, and the scale ring disc (22) and the ratchet wheel (21) are parallel and coaxially arranged; the scale ring disc (22) is fixedly connected with the ratchet wheel (21), and the pointer (23) is arranged on the shell of the bidirectional ratchet wheel wrench; the scale ring disc (22) is connected with the ratchet wheel (21) through a screw and a gasket, and a gap is formed between the scale ring disc (22) and the shell of the bidirectional ratchet wheel wrench; a limiting plug (25) is arranged below the bidirectional ratchet wrench, and the limiting plug (25) is connected with the bottom of the connecting shaft (12) through a screw.

6. The ship lift safety mechanism clearance adjustment device of claim 4, wherein: the bidirectional ratchet wrench is detachably provided with a forcing rod (24).

7. The method of adjusting a clearance adjustment device for a safety gear of a ship lift according to any one of claims 1 to 6, comprising the steps of:

step 1), disconnecting the driving point reducer and the synchronous shaft which need to adjust the ship chamber posture, adjusting the ship chamber posture to be horizontal, and reinstalling the synchronous shaft;

step 2), measuring the upper clearance of the safety mechanism thread pair and the lower clearance of the safety mechanism thread pair respectively, and determining the clearance adjusting direction;

step 3), removing the safety mechanism driving universal coupling, aligning and meshing a lower convolution supporting disk (11) and an upper convolution supporting disk (3) of the safety mechanism barring gear, and clamping the lower convolution supporting disk (11) and the upper convolution supporting disk (3) by using a hoop (13);

step 4), adopting a device to rotate the safety mechanism clockwise or anticlockwise, wherein the upper gap of the thread pair of the safety mechanism is increased when the safety mechanism rotates clockwise, the lower gap of the thread pair of the safety mechanism is decreased, the upper gap of the thread pair of the safety mechanism is decreased when the safety mechanism rotates anticlockwise, and the lower gap of the thread pair of the safety mechanism is increased;

step 5), measuring the upper clearance of the thread pair of the safety mechanism and the lower clearance of the thread pair of the safety mechanism, comparing the clearance values, and if |, d₁-d₂| Δ d0, the gap adjustment is completed, if | d₁-d₂| Δ d0, step 4) is repeated until | d₁-d₂| ≦ Δ d0, and the gap adjustment is completed;

and 6), the universal coupling is driven by the reinstalling safety mechanism to recover the operation.

8. The method of adjusting a ship lift safety mechanism clearance adjustment device according to claim 7, characterized in that: the rotation angle is omega when the upper clearance of the safety mechanism thread pair and the lower clearance of the safety mechanism thread pair are adjusted₁＝2ω₂Wherein ω is₁For turning gear angle, omega₂The rotation angle of the screw is rotated.

9. The method for barring a safety gear of a ship lift according to any one of claims 1 to 8, characterised by comprising the steps of:

step 1), stopping the ship chamber at an overhaul position, and supporting a counterweight frame by using an overhaul steel pad beam;

step 2), executing a ship chamber water drainage process, connecting a water drainage pipeline, opening a valve, and draining the water body of the ship chamber;

step 3), dismantling the rotary joint of the safety mechanism and a hydraulic pipeline connected with the rotary joint;

step 4), installing a limiting device between the supporting rod of the safety mechanism and the inner hole at the lower end of the rotary screw rod to ensure that the supporting rod is fixed in a vertical state;

step 5), removing a spherical hinge screw rod connected with the safety mechanism supporting rod and the ship chamber safety beam flange to separate a spherical hinge from the safety beam flange;

step 6), removing the safety mechanism driving universal coupling, aligning and meshing a lower convolution supporting disk (11) and an upper convolution supporting disk (3) of the safety mechanism barring gear, and clamping the lower convolution supporting disk (11) and the upper convolution supporting disk (3) by using a hoop (13);

step 7), installing a lifting ring in a lifting hole of the guide frame (4) on the safety mechanism, and connecting a lifting hook of the overhaul crane of the machine room at the top with the lifting ring through a lifting steel wire rope;

step 8), determining that the safety mechanism needs to be lifted or descended, and then adjusting the driving direction of the driving device (2);

step 9), maintaining the travelling crane to control the safety mechanism to slowly lift, and synchronously rotating the safety mechanism through the turning gear;

step 10), observing and measuring the upper clearance of the safety mechanism thread pair and the lower clearance of the safety mechanism thread pair, if |, d₁-d₂The absolute value of the difference value between the upper clearance of the safety mechanism thread pair and the lower clearance of the safety mechanism thread pair is not less than a fixed value, and the maintenance travelling crane and the turning gear are stopped simultaneously;

step 11), judging clockwise turning or anticlockwise turning according to the measured values of the upper gap of the safety mechanism thread pair and the lower gap of the safety mechanism thread pair, maintaining the fixed state of a crane hook, and rotating a turning device clockwise or anticlockwise to adjust the gap of the safety mechanism thread pair, wherein the gap of the safety mechanism thread pair comprises the upper gap of the safety mechanism thread pair and the lower gap of the safety mechanism thread pair;

and step 12) after the adjustment of the thread pair clearance of the safety mechanism is finished, repeating the steps 8) to 11) until the safety mechanism is lifted to a required position.

10. The method for barring a safety mechanism of a ship lift according to claim 9, wherein: the boundary condition of the turning process of the safety mechanism is that the upper clearance of the thread pair of the safety mechanism and the lower clearance of the thread pair of the safety mechanism need to satisfy |, d₁-d₂| > Δ d, that is, the absolute value of the difference between the upper clearance of the thread pair of the safety mechanism and the lower clearance of the thread pair of the safety mechanism is not less than a fixed value; when the thread pair clearance of the safety mechanism is adjusted, a certain angle is clockwise or anticlockwise turned to correspond to the angle scale on the bidirectional ratchet wrench according to the thread pair clearance difference.

Technical Field

The invention belongs to the technical field of clearance adjustment of a safety mechanism of a ship lift, and particularly relates to a clearance adjustment device and a clearance adjustment method for the safety mechanism of the ship lift.

Background

The safety mechanism is a safety guarantee mechanism of the ship lift, as shown in fig. 5 to 7, in the lifting process of the ship chamber, the rotating screw rod synchronously lifts along with the pinion of the driving mechanism, the screw teeth are not contacted with the thread surface of the nut column, and a certain gap is formed between the screw teeth and the thread surface of the nut column in the vertical direction. The accumulated error of the long-term running stroke of the ship lift and the disassembly and assembly process of the safety mechanism all need to adjust the clearance of the thread pair of the safety mechanism, and when the clearance of the safety mechanism is adjusted at present, the operation procedure is complex, the operation space is narrow and small, the operation is carried out by multiple persons, and the danger exists in the operation, so that the safety and the efficiency of the clearance adjustment of the safety mechanism of the ship lift are seriously influenced.

Disclosure of Invention

In view of the technical problems in the prior art, the device for adjusting the clearance of the safety mechanism of the ship lift and the adjusting method thereof provided by the invention have the advantages that the quick adjustment of the upper clearance of the thread pair of the safety mechanism and the lower clearance of the thread pair of the safety mechanism is realized through the reversing function of the bidirectional ratchet wrench, the adjustment is accurate, the installation and the maintenance are convenient, the height data of the clearance adjustment can be accurately obtained through the angle scale on the ratchet wheel and the position pointer on the handle, and the precision and the efficiency of the clearance adjustment of the safety mechanism are improved.

In order to solve the technical problems, the invention adopts the following technical scheme to realize:

the utility model provides a ship lift safety mechanism clearance adjustment device, includes shaft coupling and drive arrangement, and the shaft coupling includes the supporting disk of circling round down, connecting axle and staple bolt, and the supporting disk of circling round down is connected with the connecting axle is coaxial, and the staple bolt is used for being connected the supporting disk of circling round down with the last supporting disk of circling round of safety mechanism drive shaft.

In the preferred scheme, the lower convolution supporting disc is of a spline ring structure, and the spline ring structure is used for being meshed with the spline ring structure of the upper convolution supporting disc.

In a preferred scheme, the hoop comprises two circular arc-shaped fixed groove plates which are detachably connected; one ends of the two arc-shaped fixed groove plates are hinged, and the other ends of the two arc-shaped fixed groove plates are fixed through bolts; the inner wall of the circular arc-shaped fixed slot plate is of a groove structure.

In a preferred scheme, the driving device is a bidirectional ratchet wrench, and the bidirectional ratchet wrench is used for driving the connecting shaft to rotate; the bidirectional ratchet wrench comprises a ratchet wheel, an annular convex tooth is arranged at the center of the ratchet wheel, an annular tooth groove is arranged at the lower part of the connecting shaft, and the annular tooth groove is matched with the annular convex tooth.

In the preferred scheme, a scale ring disc and a pointer are arranged on the bidirectional ratchet wrench, and the scale ring disc and the ratchet wheel are parallel and coaxially arranged; the scale ring disc is fixedly connected with the ratchet wheel, and the pointer is arranged on the shell of the bidirectional ratchet wheel wrench; the scale ring disc is connected with the ratchet wheel through a screw and a gasket, and a gap is formed between the scale ring disc and the shell of the bidirectional ratchet wheel wrench; a limiting plug is arranged below the bidirectional ratchet wrench and used for being connected with the bottom of the connecting shaft through a screw.

In a preferable scheme, the bidirectional ratchet wrench is detachably provided with a forcing rod.

Step 1), disconnecting the driving point reducer and the synchronous shaft which need to adjust the ship chamber posture, adjusting the ship chamber posture to be horizontal, and reinstalling the synchronous shaft;

step 2), measuring the upper clearance of the safety mechanism thread pair and the lower clearance of the safety mechanism thread pair respectively, and determining the clearance adjusting direction;

step 3), removing the safety mechanism driving universal coupling, aligning and meshing a lower convolution supporting disk and an upper convolution supporting disk of the safety mechanism barring gear, and clamping the lower convolution supporting disk and the upper convolution supporting disk by using a hoop;

step 4), adopting a device to rotate the safety mechanism clockwise or anticlockwise, wherein the upper gap of the thread pair of the safety mechanism is increased when the safety mechanism rotates clockwise, the lower gap of the thread pair of the safety mechanism is decreased, the upper gap of the thread pair of the safety mechanism is decreased when the safety mechanism rotates anticlockwise, and the lower gap of the thread pair of the safety mechanism is increased;

step 5), measuring the upper clearance of the thread pair of the safety mechanism and the lower clearance of the thread pair of the safety mechanism, comparing the clearance values, and if |, d₁-d₂| Δ d0, the gap adjustment is completed, if | d₁-d₂| Δ d0, step 4) is repeated until | d₁-d₂| ≦ Δ d0, and the gap adjustment is completed;

and 6), the universal coupling is driven by the reinstalling safety mechanism to recover the operation.

In the preferable scheme, the rotation angle is omega when the upper clearance of the safety mechanism thread pair and the lower clearance of the safety mechanism thread pair are adjusted₁＝2ω₂Wherein ω is₁For turning gear angle, omega₂The rotation angle of the screw is rotated.

In a preferred scheme, the barring method for the safety mechanism of the ship lift comprises the following steps:

step 1), stopping the ship chamber at an overhaul position, and supporting a counterweight frame by using an overhaul steel pad beam;

step 2), executing a ship chamber water drainage process, connecting a water drainage pipeline, opening a valve, and draining the water body of the ship chamber;

step 3), dismantling the rotary joint of the safety mechanism and a hydraulic pipeline connected with the rotary joint;

step 4), installing a limiting device between the supporting rod of the safety mechanism and the inner hole at the lower end of the rotary screw rod to ensure that the supporting rod is fixed in a vertical state;

step 5), removing a spherical hinge screw rod connected with the safety mechanism supporting rod and the ship chamber safety beam flange to separate a spherical hinge from the safety beam flange;

step 6), removing the safety mechanism driving universal coupling, aligning and meshing a lower convolution supporting disk and an upper convolution supporting disk of the safety mechanism barring gear, and clamping the lower convolution supporting disk and the upper convolution supporting disk by using a hoop;

step 7), installing a lifting ring in a guide frame lifting hole on the safety mechanism, and connecting a top machine room maintenance crane lifting hook with the lifting ring through a lifting steel wire rope;

step 8), determining that the safety mechanism needs to be lifted or descended, and then adjusting the driving direction of the driving device;

step 9), maintaining the travelling crane to control the safety mechanism to slowly lift, and synchronously rotating the safety mechanism through the turning gear;

step 10), observing and measuring the upper clearance of the safety mechanism thread pair and the lower clearance of the safety mechanism thread pair, if |, d₁-d₂| > Δ d, that is, the absolute value of the difference between the upper clearance of the thread pair of the safety mechanism and the lower clearance of the thread pair of the safety mechanism must not be less than a fixed valueIf so, stopping the overhauling travelling crane and the turning gear at the same time;

step 11), judging clockwise turning or anticlockwise turning according to the measured values of the upper gap of the safety mechanism thread pair and the lower gap of the safety mechanism thread pair, maintaining the fixed state of a crane hook, and rotating a turning device clockwise or anticlockwise to adjust the gap of the safety mechanism thread pair, wherein the gap of the safety mechanism thread pair comprises the upper gap of the safety mechanism thread pair and the lower gap of the safety mechanism thread pair;

and step 12) after the adjustment of the thread pair clearance of the safety mechanism is finished, repeating the steps 8) to 11) until the safety mechanism is lifted to a required position.

In a preferred scheme, the boundary condition of the turning process of the safety mechanism is that an upper clearance of a thread pair of the safety mechanism and a lower clearance of the thread pair of the safety mechanism need to satisfy |, d₁-d₂| > Δ d, that is, the absolute value of the difference between the upper clearance of the thread pair of the safety mechanism and the lower clearance of the thread pair of the safety mechanism is not less than a fixed value; when the thread pair clearance of the safety mechanism is adjusted, a certain angle is clockwise or anticlockwise turned to correspond to the angle scale on the bidirectional ratchet wrench according to the thread pair clearance difference.

This patent can reach following beneficial effect:

the lower circle of the coupler is provided with a spline ring structure, the spline ring structure is used for being meshed with the spline ring structure of the upper circle of the support plate, and then the lower circle of the coupler is clamped tightly through the hoop, so that the connection is reliable, and the disassembly and the assembly are convenient.

The bidirectional ratchet wrench is provided with angle scales and position pointers, so that the accuracy requirement is met, and the gap adjusting accuracy of the safety mechanism can be improved. The driving device adopts a bidirectional ratchet wrench, and realizes the adjustment of the upper gap of the safety mechanism thread pair and the lower gap of the safety mechanism thread pair by converting the ratchet direction.

The limiting plug prevents the bidirectional ratchet wrench from falling off in use.

Drawings

The invention is further illustrated by the following examples in conjunction with the accompanying drawings:

FIG. 1 is an axial expanded view of the present invention;

FIG. 2 is a connection structure of the lower convolution supporting plate and the upper convolution supporting plate according to the present invention;

FIG. 3 is a three-dimensional block diagram of the present invention;

FIG. 4 is a schematic diagram of the present invention in use;

FIG. 5 is a schematic structural view of a safety mechanism of a conventional ship lift;

FIG. 6 is an enlarged view taken at A in FIG. 5;

fig. 7 is a top view of the safety mechanism of the ship lift.

In the figure: the device comprises a coupler 1, a lower convolution supporting plate 11, a connecting shaft 12, an anchor ear 13, an arc-shaped fixed groove plate 13.1, a driving device 2, a ratchet wheel 21, a scale ring plate 22, a pointer 23, a stressing rod 24, a limiting plug 25, an upper convolution supporting plate 3, an upper guide frame 4, a lower guide frame 5, a nut column 6, a rotating screw 7, a safety mechanism thread pair upper gap 8 and a safety mechanism thread pair lower gap 9.

Detailed Description