CN212609264U - Screw type lifting device - Google Patents
Screw type lifting device Download PDFInfo
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- CN212609264U CN212609264U CN202020634609.5U CN202020634609U CN212609264U CN 212609264 U CN212609264 U CN 212609264U CN 202020634609 U CN202020634609 U CN 202020634609U CN 212609264 U CN212609264 U CN 212609264U
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Abstract
The utility model discloses a screw elevating gear, including a rack, a backing plate, a bearing plate, two screens pieces, a roof, four work screw rods, four work caps, sixteen wheels, eight antifriction bearing, eight hinges, four screw rods and four nuts, install and to lead the roll within the second recess of rack in the wheel of screens piece, install antifriction bearing within the first recess of rack and the third recess of bearing plate, the rack, backing plate and bearing plate pass through the screw rod and the nut is connected, can fix a position four work screw rods on the diaphragm of rack, antifriction bearing can improve work screw rod's rotation efficiency, through the utility model discloses a device, can realize the synchronous lift of two screens pieces and roof, have low in manufacturing cost, easy operation and the steady characteristics of operation.
Description
Technical Field
The utility model relates to a screw elevating gear.
Background
At present, a lifting device is used as a device for vertically transporting objects, is widely applied to part lifting, mounting and maintenance engineering of large equipment with different heights, and has the advantages of light weight, simplicity in operation and large operation area. Before the industrial revolution, manpower or water power is mostly adopted as a driving force, after the industrial revolution, hydraulic power or a motor is mostly adopted as a driving force, and the industrial revolution is divided into a screw rod type and a connecting rod type according to the structural form.
Through the search, find there are two literature patents and the utility model discloses the technology is the most relevant, document 1 is a clamp firm tinplate elevating gear for can making processing production, the patent device of this document mainly comprises fixed bolster, lift lead screw, antifriction bearing, lifter plate, stopper, slider, L shaped plate, biax motor and spring, this device is owing to adopt two lift lead screws, and lift lead screw easily takes place horizontal deviation in the course of the work, produce the impact force of side direction, therefore, this device's stability is relatively poor; document 2 is a lifting heat treatment furnace, and the patent device of the document mainly comprises a bracket, a furnace body, a lifting mechanism, a guide wheel, a track, a screw rod, a motor, a nut, a guide rod, a support plate, a connecting plate, a bevel gear and a spring.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a screw elevating gear, in order to can even running and adopt four work screw rods, install and to roll in the wheel of screens piece can lead within the second recess of rack, still install antifriction bearing within the third recess of the first recess of rack and race plate simultaneously, the rack, backing plate and race plate pass through the screw rod and the nut is connected, can fix a position four work screw rods on the diaphragm of rack, and antifriction bearing's use can improve work screw rod's rotation efficiency.
In order to solve the technical problem, the utility model adopts the following technical scheme:
a screw type lifting device comprises a rack, a base plate, a bearing plate, two clamping blocks, a top plate, four working screws, four working caps, sixteen wheels, eight rolling bearings, eight hinges, four screws and four nuts;
the rack comprises a transverse plate and two vertical plates, and the two vertical plates are vertically arranged at the left end and the right end of the transverse plate; four cylindrical first grooves are symmetrically formed in the upper surface of the transverse plate, and the rolling bearings are mounted in the first grooves; four cylindrical first through holes are symmetrically formed in the upper surface of the transverse plate, and the screw rods penetrate through the first through holes; each vertical plate is symmetrically provided with four rectangular second grooves which are arranged along the vertical direction, and the wheels roll in the second grooves;
the base plate is symmetrically provided with four cylindrical second through holes, and the screw rods penetrate through the second through holes; the base plate is also symmetrically provided with four cylindrical third through holes, and the working screw rod penetrates through the third through holes;
four cylindrical fourth through holes are symmetrically formed in the lower surface of the bearing plate, and the screw rods penetrate through the fourth through holes; four cylindrical third grooves are symmetrically formed in the lower surface of the bearing plate, and the rolling bearings are mounted in the third grooves; a cylindrical fifth through hole is formed in the axis position of each third groove, and the working screw rod penetrates through the fifth through hole;
the left end and the right end of the clamping block are symmetrically provided with four rectangular first through grooves which are arranged along the vertical direction, and the wheels are arranged in the first through grooves; two cylindrical sixth through holes are symmetrically formed in the front side and the rear side of the first through groove, and the hinge is arranged in the sixth through hole; the clamping block is also symmetrically provided with two cylindrical screw holes, and the working screw rod is screwed in the screw holes;
two second rectangular through grooves are symmetrically formed in the lower surface of the top plate, and the clamping blocks penetrate through the second through grooves; each second through groove is symmetrically provided with two cylindrical seventh through holes, and the working screw rod penetrates through the seventh through hole;
the working screw comprises a first bearing section, an isolation section, a second bearing section, a threaded section and a clamping section which are coaxially connected; the first bearing section, the isolation section, the second bearing section and the threaded section are all cylindrical symmetrical structures, and the diameters of the first bearing section and the second bearing section are equal, smaller than the diameter of the isolation section and larger than the diameter of the threaded section; the outer surface of the thread section is provided with threads for screwing the screw hole of the clamping block; the clamping section is of a regular octagonal prism-shaped symmetrical structure and is used for connecting the working cap;
the working cap comprises a cap opening and a cap peak which are coaxially connected, and the diameter of the cap opening is smaller than that of the cap peak; the axis position of the cap opening is provided with a fourth groove in a regular octagon shape, and a clamping section of the working screw rod penetrates through the fourth groove.
Furthermore, the rack is made of metal materials, the transverse plate and the vertical plate are of a cuboid symmetrical structure, and the transverse plate and the vertical plate are equal in length.
Furthermore, the bearing plate is made of metal materials and has a cuboid-shaped symmetrical structure.
Furthermore, the clamping block is made of metal materials and has a cuboid-shaped symmetrical structure.
Furthermore, the top plate is made of metal materials and has a cuboid-shaped symmetrical structure.
Furthermore, the working screw rod is made of metal materials and has a screw rod-shaped symmetrical structure.
Furthermore, the working cap is made of metal materials and has a cylindrical symmetrical structure.
The utility model discloses the design principle of device: according to the principle of spiral motion, the motion of the working screw rod along the circumferential direction is converted into the motion along the axial direction; according to the principle of relative movement, the axial movement of the working screw rod is limited, and the clamping block screwed with the working screw rod can realize lifting movement, so that the top plate is driven to realize lifting movement.
Compared with the prior art, the utility model discloses a beneficial technological effect:
the utility model is composed of a rack, a backing plate, a bearing plate, two clamping blocks, a top plate, four working screws, four working caps, sixteen wheels, eight rolling bearings, eight hinges, four screws and four nuts, and the material is common and convenient for processing and forming, therefore, the utility model has relatively low manufacturing cost;
the four working caps rotate clockwise at a constant speed, and because the first bearing sections of the four working screws are all limited in the four rolling bearings, the two clamping blocks can only move upwards according to the relative motion principle, so that the top plate is driven to move upwards synchronously; on the contrary, the four working caps rotate anticlockwise at a constant speed, and the two clamping blocks can only move downwards so as to drive the top plate to move downwards synchronously, so that the device of the utility model is relatively simple to operate;
the four working screws are adopted, the wheels can roll in a guiding manner in the second groove of the rack, the rolling bearings are arranged in the first groove of the rack and the third groove of the bearing plate, the rack, the base plate and the bearing plate are connected through the screws and the nuts, the four working screws can be positioned on the transverse plate of the rack, and the rotation efficiency of the working screws can be improved by using the rolling bearings, so that the device of the utility model is relatively stable in operation;
through the utility model discloses the device can realize the synchronous lift of two screens pieces and roof, has low in manufacturing cost, easy operation, operates steadily's characteristics.
Drawings
The present invention will be further explained with reference to the following description of the drawings.
FIG. 1 is a schematic structural view of a screw-type lifting device in a low position;
FIG. 2 is a schematic structural view of the screw-type lifting device in a high position;
FIG. 3 is a schematic top view of a screw-type lifting device;
FIG. 4 is a schematic top view of the screw-type lifting device after the top plate is removed;
FIG. 5 is a schematic top view of the gantry;
FIG. 6 is a schematic top view of the backing plate;
FIG. 7 is a schematic bottom view of the bearing plate;
FIG. 8 is a front view of the block, wheel and hinge assembly;
FIG. 9 is a left side elevational view of the capture block, wheel and hinge assembly;
FIG. 10 is a schematic top view of the capture block, wheel and hinge assembly;
FIG. 11 is a bottom view of the top plate;
FIG. 12 is a schematic top view of the top plate;
FIG. 13 is a left side elevational view of the top plate, the capture block, the wheels and the hinge as assembled;
FIG. 14 is a front view of the working screw;
FIG. 15 is a front view of the working cap;
FIG. 16 is a bottom view of the work cap;
description of reference numerals: 1-a gantry; 101-a vertical plate; 102-a transverse plate; 103-a first via; 104-a first groove; 105-a second groove; 2-a backing plate; 201-a second via; 202-a third via; 3-a bearing plate; 301-fourth via; 302-fifth via; 303-a third groove; 4-a block of stuck bits; 401-sixth via; 402-a first through slot; 403-screw hole; 5-a screw; 6-hinging; 7-a top plate; 701-a seventh via; 702-a second through slot; 8-working screw; 801-a first bearing segment; 802-an isolation section; 803-second bearing segment; 804-a threaded section; 805-a card bit segment; 9-a working cap; 901-cap opening; 902-brim of a hat; 903-a fourth groove; 10-wheels; 11-rolling bearings; 12-nut.
Detailed Description
The present invention will be described in further detail with reference to examples.
A screw type lifting device comprises a rack 1, a base plate 2, a bearing plate 3, two clamping blocks 4, a top plate 7, four working screws 8, four working caps 9, sixteen wheels 10, eight rolling bearings 11, eight hinges 6, four screws 5 and four nuts 12;
the utility model provides a screw elevating gear's assembly method: as shown in fig. 1 to 16, firstly, one rolling bearing 11 is respectively installed in four first grooves 104 of the rack 1, then, the first bearing sections 801 of four working screws 8 are assembled with the four rolling bearings 11, then, the backing plate 2 passes through the four working screws 8 through four third through holes 202 and is placed on the transverse plate 102 of the rack 1, then, one rolling bearing 11 is respectively installed in four third grooves 303 of the bearing plate 3, then, the third grooves 303 of the bearing plate 3 are opened downwards, passes through the four working screws 8 through the four fifth through holes 302 and is placed on the backing plate 2, so that the four fourth through holes 301, the four second through holes 201 and the four first through holes 103 are simultaneously aligned, then, one screw 5 is respectively arranged in each of the four aligned through holes, and then, one nut 12 is respectively screwed on the other end of the four screws 5, thus, the bearing plate 3 can be simultaneously aligned, The base plate 2, the rack 1, the eight rolling bearings 11 and the four working screws 8 are assembled;
then, placing a wheel 10 at the upper position and the lower position in the eight first through grooves 402 of the two clamping blocks 4 respectively to ensure that the axle center holes of sixteen wheels 10 are aligned with the eight sixth through holes 401 of the two clamping blocks 4, and then installing a hinge 6 in each of the eight aligned through holes, so that the two clamping blocks 4, the sixteen wheels 10 and the eight hinges 6 can be assembled into two clamping vehicles;
then, sixteen wheels 10 of the two clamping vehicles roll into eight second grooves 105 of the rack 1, so that four screw holes 403 of the two clamping blocks 4 are aligned with clamping sections 805 of four working screws 8, then the four working screws 8 are rotated in the same direction at the same time, thread sections 804 of the four working screws 8 are ensured to be screwed into the four screw holes 403 of the two clamping blocks 4, and the four working screws 8 are stopped rotating until all the four clamping sections 805 can pass through the four screw holes 403, so that the two clamping blocks 4 and the four working screws 8 can be assembled;
then, the second through groove 702 of the top plate 7 is opened downwards, and penetrates through the four clamping sections 805 of the four working screws 8 through the four seventh through holes 701, so that the two second through grooves 702 of the top plate 7 and the two clamping blocks 4 can be simultaneously aligned, then the top plate 7 is sleeved on the two clamping blocks 4, finally the four fourth grooves 903 of the four working caps 9 are aligned with the four clamping sections 805 of the four working screws 8, and then the four working caps 9 are sleeved on the four clamping sections 805, so that the whole device is assembled and can be put into use.
The utility model provides a screw elevating gear's application method: as shown in fig. 1, the top plate 7 is at the lowest position, and when viewed from above, if the working screws 8 are screwed to the right, the four working caps 9 are rotated clockwise at a constant speed, and theoretically, the four working screws 8 should move downward along the axis, but the four rolling bearings 11 mounted on the rack 1 and the four rolling bearings 11 mounted on the bearing plate 3 limit the axial movement of the four working screws 8, so that the four working screws 8 can only rotate in the circumferential direction; according to the principle of relative movement, the two clamping blocks 4 screwed with the four working screws 8 can only move upwards, so that the top plate 7 is driven to move upwards synchronously to finish the lifting operation.
As shown in fig. 2, the top plate 7 is at the highest position, and when viewed from above, if the working screws 8 are screwed to the right, the four working caps 9 are rotated counterclockwise at a constant speed, theoretically, the four working screws 8 should move upward along the axis, but the four rolling bearings 11 mounted on the rack 1 and the four rolling bearings 11 mounted on the bearing plate 3 limit the axial movement of the four working screws 8, so that the four working screws 8 can only rotate in the circumferential direction; according to the principle of relative movement, the two clamping blocks 4 screwed with the four working screws 8 can only move downwards, so that the top plate 7 is driven to move downwards synchronously to finish the descending operation.
Supplementary explanation: if the working screw 8 adopts a left-handed rotation mode, the rotation direction is just opposite; when the four working caps 9 are rotated counterclockwise at a constant speed in a top view, the two clamping blocks 4 and the top plate 7 can synchronously move upwards; on the contrary, the four working caps 9 rotate clockwise at a constant speed, so that the two clamping blocks 4 and the top plate 7 can synchronously move downwards.
As can be seen from the embodiment, the screw type lifting device has the characteristics of low manufacturing cost, simple operation and stable operation.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall within the protection scope defined by the claims of the present invention.
Claims (7)
1. A screw elevating gear, its characterized in that: the device comprises a rack, a base plate, a bearing plate, two clamping blocks, a top plate, four working screws, four working caps, sixteen wheels, eight rolling bearings, eight hinges, four screws and four nuts;
the rack comprises a transverse plate and two vertical plates, and the two vertical plates are vertically arranged at the left end and the right end of the transverse plate; four cylindrical first grooves are symmetrically formed in the upper surface of the transverse plate, and the rolling bearings are mounted in the first grooves; four cylindrical first through holes are symmetrically formed in the upper surface of the transverse plate, and the screw rods penetrate through the first through holes; each vertical plate is symmetrically provided with four rectangular second grooves which are arranged along the vertical direction, and the wheels roll in the second grooves;
the base plate is symmetrically provided with four cylindrical second through holes, and the screw rods penetrate through the second through holes; the base plate is also symmetrically provided with four cylindrical third through holes, and the working screw rod penetrates through the third through holes;
four cylindrical fourth through holes are symmetrically formed in the lower surface of the bearing plate, and the screw rods penetrate through the fourth through holes; four cylindrical third grooves are symmetrically formed in the lower surface of the bearing plate, and the rolling bearings are mounted in the third grooves; a cylindrical fifth through hole is formed in the axis position of each third groove, and the working screw rod penetrates through the fifth through hole;
the left end and the right end of the clamping block are symmetrically provided with four rectangular first through grooves which are arranged along the vertical direction, and the wheels are arranged in the first through grooves; two cylindrical sixth through holes are symmetrically formed in the front side and the rear side of the first through groove, and the hinge is arranged in the sixth through hole; the clamping block is also symmetrically provided with two cylindrical screw holes, and the working screw rod is screwed in the screw holes;
two second rectangular through grooves are symmetrically formed in the lower surface of the top plate, and the clamping blocks penetrate through the second through grooves; each second through groove is symmetrically provided with two cylindrical seventh through holes, and the working screw rod penetrates through the seventh through hole;
the working screw comprises a first bearing section, an isolation section, a second bearing section, a threaded section and a clamping section which are coaxially connected; the first bearing section, the isolation section, the second bearing section and the threaded section are all cylindrical symmetrical structures, and the diameters of the first bearing section and the second bearing section are equal, smaller than the diameter of the isolation section and larger than the diameter of the threaded section; the outer surface of the thread section is provided with threads for screwing the screw hole of the clamping block; the clamping section is of a regular octagonal prism-shaped symmetrical structure and is used for connecting the working cap;
the working cap comprises a cap opening and a cap peak which are coaxially connected, and the diameter of the cap opening is smaller than that of the cap peak; the axis position of the cap opening is provided with a fourth groove in a regular octagon shape, and a clamping section of the working screw rod penetrates through the fourth groove.
2. The screw lifting device of claim 1, wherein: the rack is made of metal materials, the transverse plate and the vertical plate are of a cuboid symmetrical structure, and the transverse plate and the vertical plate are equal in length.
3. The screw lifting device of claim 1, wherein: the bearing plate is made of metal materials and has a cuboid symmetrical structure.
4. The screw lifting device of claim 1, wherein: the clamping block is made of metal materials and has a cuboid symmetrical structure.
5. The screw lifting device of claim 1, wherein: the top plate is made of metal materials and has a cuboid symmetrical structure.
6. The screw lifting device of claim 1, wherein: the working screw rod is made of metal materials and has a screw rod-shaped symmetrical structure.
7. The screw lifting device of claim 1, wherein: the working cap is made of metal materials and has a cylindrical symmetrical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020634609.5U CN212609264U (en) | 2020-04-23 | 2020-04-23 | Screw type lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020634609.5U CN212609264U (en) | 2020-04-23 | 2020-04-23 | Screw type lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212609264U true CN212609264U (en) | 2021-02-26 |
Family
ID=74710722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020634609.5U Active CN212609264U (en) | 2020-04-23 | 2020-04-23 | Screw type lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212609264U (en) |
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2020
- 2020-04-23 CN CN202020634609.5U patent/CN212609264U/en active Active
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