CN209335573U - A kind of height-adjustable shipbuilding door frame - Google Patents

Abstract

The utility model discloses a kind of height-adjustable shipbuilding door frames.This kind of height-adjustable shipbuilding door frame includes supporting beam, supporting beam is connected with height adjustment support, height adjustment support includes pedestal, pedestal upper end offers arc groove under hemispherical, pedestal upper end is connected with gland, gland opens up arc groove in hemispherical, upper arc groove and lower arc groove form arc groove, ball screw is rotatably connected in arc groove, ball screw is arranged vertically upwards, gland offers the unthreaded hole passed through for ball screw end, ball screw is passed through after unthreaded hole stretches out on the outside of arc groove and is threadedly coupled with the thread bush of supporting beam lower end, ball screw is also connected with driving mechanism.By the rotation of ball screw, to change height of the supporting beam relative to ground, the adjustable of mast height is realized, improves door frame to the adaptability of actual environment and various situations.

Description

A kind of height-adjustable shipbuilding door frame

Technical field

The utility model relates to shipbuilding field, in particular to a kind of shipbuilding door frame.

Background technique

Door frame is the common tooling of shipping industry, uses in boat segmental manufacture, the hull of segmentation is placed in door On frame, consequently facilitating the welding of hull and the installation of components.And common mast height can not all be adjusted, to actual environment and The bad adaptability of various situations.

Utility model content

The purpose of the utility model is to provide a kind of height-adjustable shipbuilding door frames.

In order to realize above-mentioned purpose of utility model, a kind of height-adjustable shipbuilding of the utility model uses following skill with door frame Art scheme:

Including upper support beam, supporting beam lower end is connected with height adjustment support, and the height adjustment support includes setting Pedestal in ground, the pedestal upper end offer hemispheric lower arc groove, and the pedestal upper end is connected with gland, the pressure Arc groove in hemispherical is offered at the corresponding upper arc groove of lid, the upper arc groove and lower arc groove form arc groove, the circle It is rotatably connected to ball screw in arc slot, the lower end of the ball screw is bulb end, and upper end is screw rod end, outside the bulb end Shape matches with arc groove, and the ball screw is arranged vertically upwards, and the gland offers the unthreaded hole passed through for screw rod end, institute State screw rod end across unthreaded hole stretch out on the outside of arc groove after be threadedly coupled with the thread bush for being set to supporting beam lower end, the bulb Screw rod is also connected with driving mechanism, the driving mechanism driving ball screw rotation.By driving device rotating ballhead screw rod, by It does not rotate in thread bush, so screw rod end rotates relative to thread bush, and ball screw is only rotated and erected without generating Histogram to change in location, so thread bush generates the displacement of vertical direction relative to ball screw, by successively adjusting or The length of thread bush is protruded at adjusting screw rod end simultaneously, to adjust the height of door frame.

The driving mechanism includes speed reducer, and the speed reducer is connect with gland, the output shaft of the speed reducer vertically to Upper setting is simultaneously connected with first gear, and the output shaft end is also socketed with gear gland, gear gland lower end and first Gear contradicts, and the gear gland is connected with exporting axis by bolt, and bulb end lower end is connected with matches with first gear The second gear of engagement, the second gear downside are provided with first spacer affixed with screw rod end, table on first spacer Face and second gear following table face contact, there is the first gap, second tooth between first spacer lower surface and gland upper surface Wheel upside is provided with second spacer affixed with screw rod end, and second spacer lower surface is contacted with second gear upper surface.It opens Dynamic speed reducer, speed reducer drive first gear rotation, rotate with the second gear of first gear mating engagement, to drive bulb Screw rod rotation.

The second gap is equipped between the arc groove and bulb end.It is that screw rod end is stuck in circle in order to prevent that the second gap, which is arranged, In arc slot

Lubricant grease is coated in second gap.Lubricant grease is the frictional force for reducing bulb end relative to arc groove.

The unthreaded hole circumferentially offers the first seal groove, is provided with the first sealing ring in first seal groove.The One sealing ring is grease leakage in order to prevent.

The base upper surface offers the second seal groove, the center of circle of second seal groove and the ball of upper arc groove The heart is concentric, is provided with the second sealing ring in second seal groove.Second sealing ring is grease leakage in order to prevent.

The pedestal is connected with scale straight up, and the scale surface indicates scale, the spiral shell along its length Line set lower end is connected with the pointer for being directed toward scale, and the scale that the pointer is directed toward is height of the supporting beam to ground.Pass through screw thread The displacement of set, synchronous drive pointer displacement, to read out height of the supporting beam apart from bottom surface on scale.

The supporting beam includes two parallel widthwise edges, and two vertical edges, the cross are connected between the widthwise edge Xiang Bianyu vertical edges are mutually perpendicular to and are located in the same horizontal plane, and the supporting beam is centrosymmetric structure.

The both ends of the widthwise edge and vertical edges are connected with height adjustment support, and the centre of the widthwise edge is also connected with one A height adjustment support.

Compared with prior art, the utility model has the beneficial effects that: by the rotation of ball screw, to change Height of the supporting beam relative to ground, realizes the adjustable of mast height, improves door frame to actual environment and various situations Adaptability.

Detailed description of the invention

Fig. 1 is the front view of the utility model；

Fig. 2 is the partial enlarged view of A in Fig. 1；

Fig. 3 is the partial enlarged view of B in Fig. 2；

Fig. 4 is Fig. 1 top view.

Wherein, 1 supporting beam, 2 widthwise edges, 3 vertical edges, 4 pedestals, 5 glands, 6 arc grooves, 7 ball screws, 8 bulb ends, 9 Screw rod end, 10 unthreaded holes, 11 thread bush, 12 first seal grooves, 13 first sealing rings, 14 second seal grooves, 15 second sealings Circle, 16 second gaps, 17 lubricant greases, 18 speed reducers, 19 first gears, 20 gear glands, 21 second gears, 22 first every Set, 23 first gaps, 24 second spacers, 25 scales, 26 pointers.

Specific embodiment

As shown in Figs 1-4, a kind of height-adjustable shipbuilding door frame, including upper support beam 1, supporting beam include two flat Capable widthwise edge 2, two vertical edges 3 are connected between widthwise edge, and widthwise edge and vertical edges are mutually perpendicular to and are located at same level In face, supporting beam is centrosymmetric structure, and the both ends of widthwise edge and vertical edges are connected with height adjustment support, the centre of widthwise edge It is also connected with a height adjustment support, height adjustment support includes the pedestal 4 for being set to ground, and pedestal upper end offers hemisphere The lower arc groove of shape, pedestal upper end are connected with gland 5, offer arc groove in hemispherical, upper circle at the corresponding upper arc groove of gland Arc slot and lower arc groove form arc groove 6, and ball screw 7 is rotatably connected in arc groove, and the lower end of ball screw is bulb end 8, upper end is screw rod end 9, and bulb end shape matches with arc groove, and ball screw is arranged vertically upwards, and gland is offered for spiral shell The unthreaded hole 10 that rod end passes through, screw rod end pass through after unthreaded hole stretches out on the outside of arc groove and are set to the thread bush 11 of supporting beam lower end It is threadedly coupled, unthreaded hole circumferentially offers the first seal groove 12, the first sealing ring 13 is provided in the first seal groove, on pedestal Surface offers the second seal groove 14, and the center of circle of the second seal groove and the centre of sphere of upper arc groove are concentric, the second seal groove In be provided with the second sealing ring 15, the second gap 16 is equipped between arc groove and bulb end, is coated with lubricant grease 17 in the second gap, Ball screw is also connected with driving mechanism, and driving mechanism drives ball screw rotation, and driving mechanism includes speed reducer 18, speed reducer It is connect with gland, the output shaft of speed reducer is arranged vertically upwards and is connected with first gear 19, and output shaft end is also socketed with teeth Grinding wheel press cap 20, gear gland lower end and first gear contradict, and gear gland is connected with exporting axis by bolt, and bulb end lower end connects It is connected to the second gear 21 with first gear mating engagement, is provided with first spacer affixed with screw rod end on the downside of second gear 22, the first spacer outer peripheral surface offers counter sink, and the bolt is connect by the threaded hole opened up on counter sink and screw rod end, To keep the first spacer and screw rod end affixed, the first spacer upper surface and second gear following table face contact, the first spacer lower surface There is the first gap 23 between gland upper surface, is provided with second spacer 24 affixed with screw rod end, affixed side on the upside of second gear Formula is identical as the fixed connection mode of the first spacer and screw rod end, and the second spacer lower surface is contacted with second gear upper surface, and pedestal connects It is connected to scale 25 straight up, scale surface indicates scale along its length, and thread bush lower end, which is connected with, is directed toward scale Pointer 26, the scale that pointer is directed toward are height of the supporting beam to ground.

The specific work process and principle of the utility model:

Starting speed reducer, speed reducer drives first gear rotation, it is rotated with the second gear of first gear mating engagement, from And ball screw is driven to rotate, since thread bush does not rotate, so screw rod end rotates relative to thread bush, and bulb The change in location that screw rod is only rotated without generating vertical direction, so thread bush generates the position of vertical direction relative to ball screw It moves, by successively adjusting or the length of thread bush is protruded at adjusting screw rod end simultaneously, to adjust the height of door frame.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model System.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include at least one this feature.The meaning of " plurality " is at least two, such as two in the description of the present invention, It is a, three etc., unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside element, unless otherwise restricted clearly.For the common skill of this field For art personnel, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

In the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down " It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact.Moreover, first is special Sign can be fisrt feature above the second feature " above ", " above " and " above " and be directly above or diagonally above the second feature, or only Indicate that first feature horizontal height is higher than second feature.Fisrt feature under the second feature " below ", " below " and " below " can be with It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into Row combination and combination.

Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model Inside it can make changes, modifications, alterations, and variations to the above described embodiments.

Claims (9)

1. a kind of height-adjustable shipbuilding door frame, it is characterised in that: including upper support beam, supporting beam lower end is connected with height Support is adjusted, the height adjustment support includes the pedestal for being set to ground, and the pedestal upper end offers hemispheric lower circle Arc slot, the pedestal upper end are connected with gland, offer arc groove in hemispherical at the corresponding upper arc groove of the gland, it is described on Arc groove and lower arc groove form arc groove, are rotatably connected to ball screw, the lower end of the ball screw in the arc groove For bulb end, upper end is screw rod end, and bulb end shape matches with arc groove, and the ball screw is arranged vertically upwards, The gland offers the unthreaded hole passed through for screw rod end, the screw rod end pass through after unthreaded hole stretches out on the outside of arc groove be set to The thread bush of supporting beam lower end is threadedly coupled, and the ball screw is also connected with driving mechanism, and the driving mechanism drives bulb Screw rod rotation.

2. height-adjustable shipbuilding door frame according to claim 1, it is characterised in that: the driving mechanism includes slowing down Machine, the speed reducer are connect with gland, and the output shaft of the speed reducer is arranged vertically upwards and is connected with first gear, described defeated Shaft end is also socketed with gear gland, and gear gland lower end and first gear contradict, and the gear gland passes through bolt It is connected with exporting axis, bulb end lower end is connected with the second gear with first gear mating engagement, under the second gear Side is provided with first spacer affixed with screw rod end, first spacer upper surface and second gear following table face contact, and described the There is the first gap between one spacer lower surface and gland upper surface, is provided with second affixed with screw rod end on the upside of the second gear Spacer, second spacer lower surface are contacted with second gear upper surface.

3. height-adjustable shipbuilding door frame according to claim 2, it is characterised in that: between the arc groove and bulb end Equipped with the second gap.

4. height-adjustable shipbuilding door frame according to claim 3, it is characterised in that: be coated with profit in second gap Lubricating oil rouge.

5. height-adjustable shipbuilding door frame according to claim 4, it is characterised in that: the unthreaded hole circumferentially offers One seal groove is provided with the first sealing ring in first seal groove.

6. height-adjustable shipbuilding door frame according to claim 5, it is characterised in that: the base upper surface offers Second seal groove, the center of circle of second seal groove and the centre of sphere of upper arc groove are concentric, set in second seal groove It is equipped with the second sealing ring.

7. height-adjustable shipbuilding door frame according to claim 6, it is characterised in that: the pedestal be connected with vertically to On scale, the scale surface indicates scale along its length, and the thread bush lower end is connected with the pointer for being directed toward scale, The scale that the pointer is directed toward is height of the supporting beam to ground.

8. the height-adjustable shipbuilding door frame according to claim 2-7 any one, it is characterised in that: the supporting beam Including two parallel widthwise edges, two vertical edges are connected between the widthwise edge, the widthwise edge and vertical edges are mutually hung down Straight and be located in the same horizontal plane, the supporting beam is centrosymmetric structure.

9. height-adjustable shipbuilding door frame according to claim 8, it is characterised in that: the widthwise edge and vertical edges Both ends are connected with height adjustment support, and the centre of the widthwise edge is also connected with a height adjustment support.