CN212377713U

CN212377713U - Vibration isolation support of marine precision measurement device

Info

Publication number: CN212377713U
Application number: CN202020876438.7U
Authority: CN
Inventors: 谢宇; 陶江平; 刘序辰; 刘成; 郭彦军
Original assignee: Shipbuilding Technology Research Institute of CSSC No 11 Research Institute
Current assignee: Shanghai Shipbuilding Technology Research Institute
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2021-01-19
Anticipated expiration: 2030-05-22

Abstract

A vibration isolation support of a marine precision measurement device comprises a tray, a T-shaped support, an auxiliary support and three groups of supporting legs; the tray is rectangular; the T-shaped support comprises a transverse support and a longitudinal support which are connected with the bottom surface of the tray, the transverse support is arranged along one side of the tray, the two ends of the transverse support are provided with transverse notches, the longitudinal support is arranged along the center line of one side of the tray, and the other end of the longitudinal support extends out of the tray and is provided with a longitudinal notch; the auxiliary support comprises a transverse auxiliary support and a longitudinal auxiliary support which are connected with the bottom surface of the tray and are respectively parallel to the transverse support and the longitudinal support; three groups of supporting legs are respectively arranged at two ends of the transverse support and the other end of the longitudinal support, each supporting leg comprises a balancing weight, a rubber shock absorber and a U-shaped bottom foot, and the posture of each U-shaped bottom foot is adjustable. The utility model discloses avoid the vibration influence, improve the complicated region and erect positioning stability, reduce or eliminated the influence of the vibration factor among the shipboard measuring environment to precision measurement device, ensured precision measurement device precision and reliability under this environment.

Description

Vibration isolation support of marine precision measurement device

Technical Field

The utility model belongs to the technical field of measuring device, concretely relates to marine precision measurement device vibration isolation support.

Background

In the field of ship construction, such as the manufacturing and assembling of hull structures and the installation of components, precision measurement devices represented by automatic laser measuring instruments are increasingly popularized in size measurement and positioning. The precision of the precision measurement device itself is usually higher, but in actual conditions, the situation that the precision of the device is high and the precision of the measurement result is low often occurs, and the reason for this is that the measurement device has a higher requirement on the field measurement environment, and the precision measurement device may be influenced by the measurement environment to cause the failure of the measurement result, such as: even slight vibration around the measuring equipment has great influence on the reliability and accuracy in the process of establishing a measuring reference and automatically feeding back and tracking, which often causes large-area shutdown on the ship construction with multiple kinds of parallel operation; when the installation position of the measuring device is located in the cabin and the installation ground is a structural surface, the foot point of the tripod of the measuring device may collide with the structure, which may result in the installation and the positioning being impossible or unstable. Therefore, improving the measurement accuracy is very important to avoid the measurement equipment from being influenced by the environment and improve the adaptability and stability of the erection of the measurement equipment besides improving the accuracy of the measurement equipment.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a marine precision measurement device vibration isolation support.

The purpose of the utility model can be realized by the following technical scheme: a vibration isolation support of a marine precision measurement device comprises a tray, a T-shaped support, an auxiliary support and three groups of supporting legs;

the tray is rectangular;

the T-shaped support comprises a transverse support and a longitudinal support, the transverse support and the longitudinal support are channel steel, wing plates on the transverse support and the longitudinal support are both connected with the bottom surface of the tray, the transverse support is arranged along one side of the tray, transverse notches are formed in two ends of a lower wing plate of the transverse support, the longitudinal support is arranged along the center line of one side of the tray, one end of the longitudinal support is connected with the transverse support, the other end of the longitudinal support extends beyond the other side opposite to the tray, and a longitudinal notch is formed in the other end of a lower wing plate of the longitudinal support;

the auxiliary support comprises a transverse auxiliary support and a longitudinal auxiliary support, the transverse auxiliary support and the longitudinal auxiliary support are both connected with the bottom surface of the tray and are respectively parallel to the transverse support and the longitudinal support, the transverse auxiliary support is arranged close to the other side of the tray, the middle part of the transverse auxiliary support is connected with the longitudinal support, the longitudinal auxiliary support is arranged on both sides of the longitudinal support, and both ends of each longitudinal auxiliary support are respectively connected with the transverse support and the transverse auxiliary support;

the three groups of supporting legs are respectively arranged at two ends of the transversely supported lower wing plate and the other end of the longitudinally supported lower wing plate, each group of supporting legs comprises a balancing weight, a rubber shock absorber and a U-shaped bottom foot which are sequentially connected from top to bottom, and the top surface of the balancing weight is connected with the lower wing plate supported by the balancing weight through the matching of a fastener and a notch.

Further, the tray comprises a rectangular bottom plate and a surrounding edge arranged at the edge of the rectangular bottom plate.

Furthermore, water drainage holes are formed in four corners of the rectangular bottom plate of the tray.

Furthermore, a plurality of longitudinal notches which are uniformly distributed at equal intervals are formed in the other end of the longitudinal support lower wing plate along the extending direction.

Further, the transverse auxiliary support and the longitudinal auxiliary support are both angle steel.

Further, the plane of the lower edge of the transverse auxiliary support is higher than the plane of the lower wing plate of the longitudinal support.

Furthermore, the balancing weight is a cylinder, threaded holes are formed in the centers of the top surface and the bottom surface of the balancing weight and are screwed into the first stud and the second stud respectively, the upper end of the first stud penetrates through a notch in the lower wing plate supported by the balancing weight and then is connected with a nut, and the lower end of the second stud is screwed into a threaded hole formed in the top of the rubber shock absorber.

Furthermore, the bottom of the rubber shock absorber is provided with a bolt hole, the U-shaped bottom foot is a groove block with one grooved surface, the opposite surface of the grooved surface of the U-shaped bottom foot and the adjacent surface of one side of the grooved surface are both provided with threaded holes corresponding to the bolt holes, and the rubber shock absorber and the U-shaped bottom foot are connected by inserting a connecting bolt into the bolt hole at the bottom of the rubber shock absorber and then screwing the connecting bolt into the threaded holes on the opposite surface of the grooved surface of the U-shaped bottom foot or the adjacent surface of one side of the grooved surface; the middle part of the adjacent surface of the other side of the U-shaped bottom foot slotting surface is provided with a threaded hole for matching with a puller bolt.

Furthermore, the number of the bolt holes at the bottom of the rubber shock absorber is two, the bolt holes are distributed in a central symmetry manner, and two threaded holes are formed in the opposite surface of the U-shaped bottom foot slotting surface and the adjacent surface of one side of the slotting surface.

Furthermore, adjacent surfaces on two sides of the grooving surface, the opposite surface of the grooving surface and the grooving surface of the U-shaped bottom foot are flat in surface.

Compared with the prior art, the beneficial effects of the utility model are that:

1. three landing legs of group are three point distribution, make the vibration isolation support have the adaptability and the stability of preferred, and every landing leg of group can be followed the notch that the place supported and slided, and the position is adjustable to accessible threaded fastener latched position, thereby can be according to the position of structure strengthening rib and nimble adjustment, be applicable to the structure strengthening rib span of different ship type structures, guarantee that the vibration isolation support is stable fixed, have best vibration isolation effect.

2. The vibration isolation of landing leg is effectual, is furnished with the vibration that rubber shock absorber can obviously weaken the environment conduction, is furnished with the balancing weight and can reduce system natural frequency, reduces the amplitude, further weakens the vibration of environment conduction, and the balancing weight still is favorable to keeping support rigidity and stability, and the transport of being convenient for has simultaneously improved the portability when vibration isolation support erects, retrieves.

3. The upper surface of the U-shaped bottom foot of the supporting leg and the other side surface opposite to the open groove are respectively provided with a threaded hole matched with a threaded hole at the bottom of the rubber shock absorber, so that the posture of the U-shaped bottom foot can be adjusted, and the U-shaped bottom foot can be connected with the rubber shock absorber no matter the U-shaped bottom foot is horizontally or vertically placed; when the groove of the U-shaped bottom foot faces to the side surface, namely is horizontally placed, the panel of the structural reinforcing rib can be clamped by matching with the puller bolt, so that the vibration isolation support is stably fixed on the structural reinforcing rib; when the fluting of U-shaped footing is down, when vertical placing promptly, can make whole vibration isolation support directly stand on hull planar structure, it is less because of the fluting side of U-shaped footing and hull planar structure's contact surface this moment, if there is the structure strengthening rib hull planar structure's lower surface, can make the fluting side of U-shaped footing aim at the structure strengthening rib as far as possible to obtain better vibration isolation effect.

4. The tray provides sufficient and smooth erection space for the foot stool of the precision measurement device, and ensures that the foot stool is not shielded by a sharp ship structure;

5. drainage holes are formed in four corners of the rectangular bottom plate of the tray, so that rainwater and other accumulated water in the tray can be drained in time, and rusting is avoided;

6. the vibration isolation support has lower overall height, is convenient for the erection, debugging and use of the measuring device and has better vibration isolation effect.

To sum up, the utility model discloses the vibration isolation support can avoid the vibration influence, can improve the complicated region again and erect positioning stability, is showing to reduce and even eliminated the influence of the vibration factor in the shipboard measuring environment to precision measurement device to for the erection of device provides convenience and stability when necessary, ensured precision measurement device precision and reliability under the shipboard environment.

Drawings

Fig. 1 is a schematic structural view of the utility model viewed obliquely downward.

Fig. 2 is a schematic structural view of the utility model viewed obliquely upward.

Fig. 3 is a schematic side view of the present invention.

Fig. 4 is a schematic rear view of the present invention.

Fig. 5 is a schematic structural view of the preferred embodiment of the present invention fastened to the reinforcing ribs of the deck.

Fig. 6 is a schematic structural view of another preferred embodiment of the present invention installed on the deck level and aligned with the underlying deck stiffeners.

The parts in the figures are numbered as follows:

1 tray

101 drainage hole

2 lateral support

201 transverse notch

3 longitudinal support

301 longitudinal slot

4 transverse auxiliary support

5 longitudinal auxiliary support

6 balancing weight

7 rubber vibration damper

8U-shaped footing

9 first stud

10 second stud

11 nut

12 connecting bolt

13 puller bolt

14 Deck

15 deck reinforcing ribs.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings to make it clear to those skilled in the art how to practice the invention. While the invention has been described in connection with its preferred embodiments, these embodiments are intended to be illustrative, and not to limit the scope of the invention.

Referring to fig. 1 to 4, the vibration isolation support for the marine precision measuring device comprises a tray 1, a T-shaped support, an auxiliary support and three groups of support legs.

The tray 1 is used for placing a foot rest of a precision measuring device. Referring to fig. 1, the tray 1 comprises a rectangular bottom plate and surrounding edges, the surrounding edges are arranged at the edges of the rectangular bottom plate and used for preventing the foot rests from sliding down, and water drainage holes 101 are formed in the four corners of the rectangular bottom plate and used for draining accumulated water.

The T-shaped bracket is fixedly connected to the bottom surface of the tray 1, and is used for bearing the weight of the tray 1 and the precision measuring device, maintaining the rigidity of the tray 1, and transmitting the weight downwards. Referring to fig. 2, the T-shaped bracket comprises a transverse support 2 and a longitudinal support 3, and the transverse support 2 and the longitudinal support 3 can be made of channel steel or other profiles with the same or similar cross sections and made of light metal materials. The transverse support 2 is arranged along one side of the rectangular bottom plate, an upper wing plate of the transverse support is connected with the bottom surface of the rectangular bottom plate, and the length of the transverse support 2 is basically equal to that of one side of the rectangular bottom plate; the longitudinal support 3 is arranged along the center line of one side of the rectangular bottom plate, the upper wing plate of the longitudinal support is connected with the bottom surface of the rectangular bottom plate, one end of the longitudinal support 3 is connected with the transverse support 2, the other end of the longitudinal support extends out of the other side opposite to the rectangular bottom plate, and the length of the longitudinal support 3 is longer than that of the adjacent side of one side of the rectangular bottom plate, so that the longitudinal support is better suitable for different rib distances and complex structural forms of a ship structure. Horizontal support 2's lower pterygoid lamina's both ends department has all seted up a horizontal notch 201, and the vertical notch 301 of multichannel of equidistant equipartition is seted up along the extending direction to the other end department of vertical support 3 lower pterygoid lamina, and in this embodiment, the quantity of vertical notch 301 is three, and the length and the width of horizontal notch 201 and vertical notch 301 can equal.

The auxiliary support is fixedly connected to the bottom surface of the tray 1 and is used for matching with the T-shaped support to bear the weight of the tray 1 and the precision measuring device and maintaining the rigidity of the tray 1. Referring to fig. 2, the auxiliary bracket comprises a transverse auxiliary support 4 and two longitudinal auxiliary supports 5, wherein the transverse auxiliary support 4 and the longitudinal auxiliary support 5 are both connected with the bottom surface of the rectangular bottom plate and are respectively parallel to the transverse support 2 and the longitudinal support 3, the transverse auxiliary support 4 is arranged close to the other side of the rectangular bottom plate, the middle part of the transverse auxiliary support is connected with the longitudinal support 3, the two longitudinal auxiliary supports 5 are respectively arranged at two sides of the longitudinal support 3, each longitudinal auxiliary support is kept at a proper distance from the corresponding side of the rectangular bottom plate, and the two ends of each longitudinal auxiliary support are respectively connected with the transverse support 2 and the transverse auxiliary support 4. The cross section specifications of the transverse auxiliary support 4 and the longitudinal auxiliary support 5 are smaller than those of the transverse support 2 and the longitudinal support 3 of the T-shaped frame, and angle steel or profiles with the same or similar cross sections made of other light metal materials can be adopted. The lower edge of the transverse auxiliary support 4 is in a plane higher than the plane of the lower wing plate of the longitudinal support 3, see fig. 3, to facilitate the adjustment of the position of the leg mounted on the longitudinal support 3. The lower edges of the transverse auxiliary support 4 and the longitudinal auxiliary support 5 may be disposed on the same plane, and the lower wing plates of the transverse support 2 and the longitudinal support 3 may be disposed on the same plane.

The three groups of support legs play roles in supporting weight, fixing a support and isolating vibration. Referring to fig. 1 to 4, two sets of legs are respectively installed at both ends of the lower wing plate of the lateral support 2, and one set of legs is installed at one end of the lower wing plate of the longitudinal support 3. Each group of the supporting legs comprises a balancing weight 6, a rubber shock absorber 7 and a U-shaped foot 8.

The balancing weight 6 is a cylinder, threaded holes are formed in the centers of the top surface and the bottom surface of the balancing weight 6, and the balancing weight is screwed into the first stud 9 and the second stud 10 respectively. The upper end of the first stud 9 penetrates through the notch in the lower supporting wing plate and then is connected with the nut 11, and the support legs can slide along the notch and keep relative positions by adjusting the tightness of the nut 11, so that the optimal positions of the three groups of support legs can be flexibly determined according to the rib distance of the ship structure and the specific environment. The lower end of the second stud 10 is screwed into a threaded hole formed in the top of the rubber shock absorber 7, so that the balancing weight 6 is connected with the rubber shock absorber 7.

Two bolt holes which are centrosymmetric are formed in the bottom of the rubber shock absorber 7, and after the two connecting bolts 12 are inserted into the two bolt holes respectively, the two connecting bolts are screwed into the two threaded holes formed in the upper surface of the U-shaped bottom foot 8, so that the rubber shock absorber 7 is connected with the U-shaped bottom foot 8.

U-shaped footing 8 is the steel notch piece that one side was equipped with the fluting, and this fluting is used for containing structure protrusion panel structure edge, realizes the reliable fixed of support. The upper surface, the lower surface and the relative another side of U-shaped footing 8 are all smooth-surfaced, also are equipped with two screw holes on the another side of U-shaped footing 8 the same with the upper surface, and a major diameter screw hole has been seted up at the lower surface middle part of U-shaped footing 8, and top clamp bolt 13 can follow the below screw in.

As shown in fig. 5, when the utility model discloses a support mounting is when having deck 14 surface of upturning the strengthening rib, the width direction and the deck strengthening rib 15 direction of support are unanimous, slide through horizontal notch 201 and vertical notch 301 along on the T type support, adjust the relative position of three group's landing legs and fix, make two sets of landing legs on the horizontal support 2 keep suitable interval, the span between two sets of landing legs on the horizontal support 2 and the landing leg on the vertical support 3 is unanimous with the rib distance between two deck strengthening ribs 15, the fluting of the U-shaped footing 8 of every group landing leg contains the panel edge of deck strengthening rib 15. The jacking bolts 13 of each group of supporting legs are rotated to enable the tail ends of the jacking bolts to rise to be in contact with the lower surface of the panel of the deck reinforcing ribs 15 and jack up tightly, so that the supporting legs of each group and the whole support are reliably fixed relative to the deck reinforcing ribs 15, and a better vibration isolation effect is exerted.

The utility model discloses another embodiment also can be adopted, make the utility model discloses a support can adapt to the environment that has level and smooth surface. When the deck stiffener 15 is positioned under the deck 14, the U-shaped foot 8 can be rotated 90 ° in the vertical plane so that the slot is directed downwards and stands on the surface of the deck 14, as shown in fig. 6. The bottom of the rubber damper 7 is contacted with the other side of the U-shaped foot 8 and is fastened by the connecting bolt 12. In this embodiment, the span between the two sets of legs on the lateral supports 2 and the legs on the longitudinal supports 3 should be adjusted to correspond to the rib spacing between two deck stiffeners 15 below the deck 14, so that the slotted sides of the U-shaped foot 8 are substantially aligned with the deck stiffeners 15 below, minimizing vibration of the deck 14 in the contact position.

It should be noted that many variations and modifications of the embodiments of the present invention are possible, which are fully described, and are not limited to the specific examples of the above embodiments. The above embodiments are merely illustrative of the present invention and are not intended to limit the present invention. In conclusion, the scope of the present invention should include those changes or substitutions and modifications which are obvious to those of ordinary skill in the art.

Claims

1. The vibration isolation support for the marine precision measuring device is characterized by comprising a tray, a T-shaped support, an auxiliary support and three groups of supporting legs;

the tray is rectangular;

2. The vibration isolation mount for a marine precision measuring device according to claim 1, wherein the tray includes a rectangular bottom plate, and a peripheral edge provided at an edge of the rectangular bottom plate.

3. The vibration isolation support of a marine precision measuring device according to claim 2, wherein drainage holes are formed at four corners of the rectangular bottom plate of the tray.

4. The vibration isolation support of the marine precision measuring device according to claim 1, wherein a plurality of longitudinal notches are uniformly distributed at equal intervals along the extending direction at the other end of the lower wing plate of the longitudinal support.

5. The vibration isolation mount for a marine precision measuring device according to claim 1, wherein the lateral auxiliary support and the longitudinal auxiliary support are angle irons.

6. The vibration isolation mount for a marine precision measuring device according to claim 1, wherein the lower edge of the lateral auxiliary support is located on a plane higher than the plane of the lower wing plate of the longitudinal support.

7. The vibration isolation support of a marine precision measuring device according to claim 1, wherein the counterweight is a cylinder, the centers of the top surface and the bottom surface of the counterweight are provided with threaded holes and are screwed into a first stud and a second stud respectively, the upper end of the first stud is connected with a nut after passing through a notch on the lower wing plate of the support, and the lower end of the second stud is screwed into a threaded hole formed at the top of the rubber damper.

8. The vibration isolation support of the marine precision measuring device according to any one of claims 1 to 7, wherein the bottom of the rubber vibration absorber is provided with a bolt hole, the U-shaped foot is a groove block with a groove on one side, the opposite surface of the groove surface of the U-shaped foot and the adjacent surface of one side of the groove surface are provided with threaded holes corresponding to the bolt hole, and the rubber vibration absorber is connected with the U-shaped foot by inserting a connecting bolt into the bolt hole at the bottom of the rubber vibration absorber and then screwing the connecting bolt into the threaded holes on the opposite surface of the groove surface of the U-shaped foot or the adjacent surface of one side of the groove surface; the middle part of the adjacent surface of the other side of the U-shaped bottom foot slotting surface is provided with a threaded hole for matching with a puller bolt.

9. The vibration isolation support for the marine precision measuring device according to claim 8, wherein the number of the bolt holes at the bottom of the rubber damper is two and the bolt holes are distributed in a central symmetry manner, and two threaded holes are formed on the opposite surface of the slotted surface of the U-shaped bottom foot and the adjacent surface of one side of the slotted surface.

10. The vibration isolation support for the marine precision measuring device according to claim 8, wherein the adjacent surfaces of the grooved surface, the opposite surface of the grooved surface and the two sides of the grooved surface of the U-shaped foot are flat.