CN218371191U - Hoisting tool - Google Patents

Abstract

The utility model belongs to the technical field of assembly of a hoisting tool quartz flexible accelerometer, and particularly discloses a hoisting tool, which comprises a hoisting base, a hoisting assembly and a centering assembly, wherein the hoisting assembly is used for positioning an internal assembly and comprises a hoisting plate, a test piece, a plurality of groups of first fasteners and second fasteners; the centering assembly is used for positioning the outer shell; the centering assembly comprises a centering shaft, a centering sleeve and a plurality of third fasteners. The centering assembly and the hoisting assembly are used successively, the installation error of the shell can be eliminated, all fitting surfaces are continuous surfaces, the designed coaxiality requirement can be met, the glue pouring operation of the quartz flexible accelerometer partial assembly is finally completed, the problem that the assembly requirement can be met only by adjusting the existing quartz flexible accelerometer hoisting tool for many times is solved, and the assembly success rate is effectively improved.

Description

Hoisting tool

Technical Field

The utility model belongs to the technical field of a hoist and mount frock quartz flexible accelerometer assembles, especially, relate to a hoist and mount frock.

Background

With the development of the inertial technology, the quartz flexible accelerometer is widely applied to the fields of aerospace, naval vessels, unmanned aerial vehicles and other industries. The production capacity of the quartz flexible accelerometer is gradually increased, so that the improvement of the assembly efficiency becomes a key problem in the production process of the quartz flexible accelerometer. The quartz flexible accelerometer comprises an outer shell and an internal component, the internal component is required to be installed inside the outer shell, the outer shell is not contacted with the internal component, the installation accuracy of the internal component and the outer shell is guaranteed, and finally glue pouring operation is carried out. The existing hoisting tool for the quartz flexible accelerometer is shown in fig. 6 and mainly comprises a hoisting base 26, a hoisting block 27, an adjusting rod 28 and a hoisting rod 29, wherein the outer shell 4 is fixed in a groove of the hoisting base 26 through a mounting threaded hole on the outer shell 4 by using a fastening screw, the hoisting rod 29 penetrates through a through hole on the hoisting block 27 and then is connected with the internal component 10 by using a screw, and the adjusting rod 28 positions the top of the internal component 10; the hoisting block 27 is placed into the hoisting base 26 by matching the peripheral end surfaces with the groove end surfaces of the hoisting base 26, and finally the glue pouring operation is completed. In this process, there are the following problems: (1) because the diameter of the installation threaded hole of the outer shell is larger than the outer diameter of the fastening screw, the installation error of the outer shell can be caused. (2) The hoisting block is matched with the hoisting base by using the peripheral end surfaces of the hoisting block, the matching precision of the discontinuous surface is difficult to meet the design matching precision requirement, assembly errors can be caused, the assembly requirement can be met only by adjusting for many times, and the assembly efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hoist and mount frock to the cooperation precision of solving among the prior art discontinuous face is difficult to reach design cooperation required precision, can arouse assembly error, needs just can reach the assembly requirement through adjustment many times, leads to the problem that assembly efficiency is low.

In order to achieve the above purpose, the technical scheme of the utility model is that: a hoisting tool comprises a hoisting base and a hoisting assembly, wherein two stages of concentric step holes are formed in the hoisting base and respectively comprise a first stage step hole and a second stage step hole from top to bottom, and the diameter of the first stage step hole is larger than that of the second stage step hole; the second-stage stepped hole is used for placing an outer shell; the hoisting assembly is used for positioning the internal assembly; the hoisting assembly comprises a hoisting plate, a test piece, a plurality of groups of first fasteners and second fasteners; a first boss is arranged at the lower part of the hoisting plate, the diameter of the first boss is equal to that of the first-stage step hole, and the first boss can be inserted into the first-stage step hole; the diameter of the hoisting plate is larger than that of the first-stage stepped hole; the hoisting plate is detachably connected with the top of the hoisting base by adopting a first fastener; the hoisting plate is provided with a plurality of debugging threaded holes, a plurality of debugging pieces can be in threaded connection with the debugging threaded holes, and the lower ends of the debugging pieces can abut against the top of the internal component; a mounting hole is formed in the center of the hoisting plate, a positioning piece is arranged in the mounting hole, a positioning hole is formed in the center of the positioning piece, and the lower side of the second fastening piece can be in threaded connection with a fastening threaded hole in the center of the internal assembly; the positioning hole is used for guiding and positioning the middle part of the second fastener.

Further, the centering assembly is used for positioning the outer shell; the centering assembly comprises a centering shaft, a centering sleeve and a plurality of third fasteners; a second boss is arranged at the lower part of the centering sleeve; the diameter of the second boss is equal to that of the first-stage stepped hole, and the second boss can be inserted into the first-stage stepped hole; the diameter of the centering sleeve is larger than that of the first-stage stepped hole; the centering sleeve is detachably connected with the top of the hoisting base by the first fastener; the third fastener is used for fixing the outer shell and the second-stage stepped hole; the center of the centering sleeve is provided with a center hole for guiding the centering shaft; the centering sleeve is also provided with a plurality of adjusting holes; the adjusting holes correspond to the third fasteners one by one, and the adjusting holes can pass through tools for fastening the third fasteners; the lower side of the centering shaft can center the outer shell after passing through the center hole.

Further, the diameter of the middle part of the centering shaft is equal to the diameter of the central hole.

Further, the diameter of the middle part of the centering shaft is larger than that of a circular hole in the outer shell; the lower part of the centering shaft is provided with a circular table surface, and the diameter of the end surface of the circular table surface is smaller than that of a circular hole in the outer shell.

Further, the mounting hole is a positioning step hole, the positioning piece adopts a step column, and the step column can be matched with the mounting hole.

Further, the second fastener comprises a cylinder and a first mounting head, one side of the cylinder is fixed with the first mounting head, and the other side of the cylinder is provided with a threaded head; the diameter of the cylinder is equal to that of the positioning hole; the bottom of the first mounting head is larger than the opening area of the positioning hole; the first mounting head is for rotating the threaded head.

Further, the debugging element comprises a debugging head, a threaded rod and a second mounting head; two sides of the threaded rod are respectively fixed with the debugging head and the second mounting head; the threaded rod is in threaded connection with the debugging threaded hole; the area of the top surface of the debugging head part and the area of the bottom surface of the second mounting head part are larger than the opening area of the debugging threaded hole; the second mounting head is for rotating the threaded rod.

Furthermore, the debugging head is a hemisphere, the plane of the hemisphere is fixed with the threaded rod, and the spherical surface of the hemisphere is used for abutting against the top of the internal component.

The working principle of the technical scheme is as follows:

the centering of the outer shell is carried out, and the concrete steps are as follows: and putting the outer shell into the second-stage step hole of the hoisting base, penetrating the third fastener into the mounting threaded hole, pre-tightening the third fastener, and loosening the outer shell at the moment. Then, the second boss of the centering sleeve is placed into the first-stage step hole of the hoisting base in an equal circle matching mode, and the centering sleeve is fixed with the hoisting base by using the first fastener. And then the centering shaft penetrates through a center hole of the centering sleeve until a circular table top at the bottom of the centering shaft is matched with a circular hole in the outer shell, so that the installation error of the outer shell is eliminated, and finally the third fastener is in threaded connection with the centering threaded hole through the adjusting hole to be fixed. And finally, taking down the centering sleeve and the centering shaft.

Hoisting the internal components, and specifically comprising the following steps: and the positioning piece is arranged in the mounting hole, and then the cylinder and the threaded head of the second fastening piece penetrate through the positioning hole of the positioning piece and are in threaded connection with the fastening threaded hole of the internal component. Then the second installation head is rotated, the second installation head drives the threaded rod to rotate, and the threaded rod moves downwards while rotating until the spherical surface of the debugging head is abutted to the top of the internal component. And finally, placing the first boss of the hoisting plate into the first-stage step hole of the hoisting base in an equal circle matching mode, and fixing the hoisting plate and the hoisting base by using a first fastener. All the matching surfaces are continuous surfaces so far, and the designed coaxiality requirement can be met; and finally, completing the glue pouring operation.

The beneficial effects of this technical scheme lie in: the centering assembly and the hoisting assembly are used successively, the installation error of the shell can be eliminated, all fitting surfaces are continuous surfaces, the designed coaxiality requirement can be met, the glue pouring operation of the quartz flexible accelerometer partial assembly is finally completed, the problem that the assembly requirement can be met only by adjusting the existing quartz flexible accelerometer hoisting tool for many times is solved, and the assembly success rate is effectively improved.

Drawings

Fig. 1 is an exploded view of a centering assembly in a hoisting tool of the present invention;

fig. 2 is an installation schematic diagram of a centering assembly in a hoisting tool of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

fig. 4 is an exploded view of a hoisting assembly in a hoisting tool of the present invention;

fig. 5 is an installation schematic diagram of a hoisting assembly in the hoisting tool of the present invention;

fig. 6 is a schematic structural diagram of the prior art in the background art.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: hoisting base 1, first-level step hole 2, second-level step hole 3, outer shell 4, centering sleeve 5, second boss 6, centering shaft 7, first fastener 8, round table surface 9, internal component 10, hoisting plate 11, first boss 12, center hole 13, mounting hole 14, debugging threaded hole 15, positioning piece 16, first mounting head 17, cylinder 18, threaded head 19, second mounting head 20, threaded rod 21, debugging head 22, third fastener 23, debugging piece 24, second fastener 25, hoisting base 26, hoisting block 27, adjusting rod 28, hoisting rod 29 and adjusting hole 30.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

The examples are substantially as shown in figures 1 to 5: a hoisting tool comprises a hoisting base 1, a hoisting assembly and a centering assembly, wherein two stages of concentric stepped holes are formed in the hoisting base 1 and respectively include a first-stage stepped hole 2 and a second-stage stepped hole 3 from top to bottom, and the diameter of the first-stage stepped hole 2 is larger than that of the second-stage stepped hole 3; the second-stage stepped holes 3 are used for placing the outer shell 4, and the first set of stepped holes 2 are used for installing the outer shell 4.

As shown in fig. 1-3, the centering assembly is used to position the outer housing 4; the centering assembly comprises a centering shaft 7, a centering sleeve 5 and a plurality of third fasteners 23 (3 groups in this embodiment); the lower part of the centering sleeve 5 is provided with a second boss 6; the diameter of the second boss 6 is equal to that of the first-stage stepped hole 2, and the second boss 6 can be inserted into the first-stage stepped hole 2; the diameter of the centering sleeve 5 is larger than that of the first-stage stepped hole 2; the centering sleeve 5 is detachably connected with the top of the hoisting base 1 by a first fastener 8; the third fastener 23 is used to fix the outer housing 4 with the second-stage stepped hole 3. The centre of the centring sleeve 5 is provided with a central hole 13 for guiding the centring shaft 7, in particular the diameter of the central part of the centring shaft 7 is equal to the diameter of the central hole 13. The lower side of the centering shaft 7 can be used for centering the outer shell 4 through the central hole 13, and particularly the diameter of the middle part of the centering shaft 7 is larger than that of a circular hole in the outer shell 4; as shown in fig. 3, the lower portion of the centering shaft 7 is a circular table surface 9, and the diameter of the end surface of the circular table surface 9 is smaller than the diameter of the circular hole inside the outer shell 4. The centering sleeve 5 is also provided with a plurality of adjusting holes 30; the adjustment holes 30 correspond to the third fastening members 23 one by one, and the adjustment holes 30 can pass through a tool for fastening the third fastening members 23.

As shown in fig. 4 and 5, the hoisting assembly is used for positioning the internal assembly 10; the hoisting assembly comprises a hoisting plate 11, debugging pieces 24 (3 groups in the embodiment), a plurality of groups of first fastening pieces 8 (3 groups in the embodiment) and second fastening pieces 25; a first boss 12 is arranged at the lower part of the hoisting plate 11, the diameter of the first boss 12 is equal to that of the first-stage step hole 2, and the first boss 12 can be inserted into the first-stage step hole 2; the diameter of the hoisting plate 11 is larger than that of the first-stage stepped hole 2; the hoisting plate 11 is detachably connected with the top of the hoisting base 1 by adopting a first fastener 8. The hoisting plate 11 is provided with a plurality of debugging threaded holes 15, a plurality of debugging pieces 24 can be in threaded connection with the debugging threaded holes 15, and the lower ends of the debugging pieces 24 can abut against the top of the internal component 10; in particular, the setting piece 24 comprises a setting head 22, a threaded rod 21 and a second mounting head 20; two sides of the threaded rod 21 are respectively fixed with the debugging head 22 and the second mounting head 20; the threaded rod 21 is in threaded connection with the debugging threaded hole 15; the area of the top surface of the debugging head part 22 and the area of the bottom surface of the second mounting head part 20 are larger than the opening area of the debugging threaded hole 15, the debugging head part 22 is a hemisphere, the plane of the hemisphere is fixed with the threaded rod 21, and the spherical surface of the hemisphere is used for abutting against the top of the internal component 10; the second mounting head 20 is used to turn a threaded rod 21. A mounting hole 14 is formed in the center of the hoisting plate 11, a positioning piece 16 is arranged in the mounting hole 14, a positioning hole is formed in the center of the positioning piece 16, and the lower side of the second fastening piece 25 can be in threaded connection with a fastening threaded hole in the center of the internal component 10; the positioning hole is used for guiding and positioning the middle part of the second fastening piece 25, specifically, the mounting hole 14 is a positioning step hole, and the positioning piece 16 is a step column which can be matched with the mounting hole 14. The second fastener 25 comprises a cylinder 18 and a first mounting head 17, one side of the cylinder 18 is fixed with the first mounting head 17, and the other side of the cylinder 18 is provided with a threaded head 19; the diameter of the cylinder 18 is equal to the diameter of the positioning hole; the bottom of the first mounting head 17 is larger than the opening area of the positioning hole; the first mounting head 17 is used to turn the threaded head 19.

The first fasteners 8 are evenly distributed in the circumferential direction of the hoisting plate 11 and the centering sleeve 5, the third fasteners 23 are evenly distributed in the circumferential direction of the outer shell 4, and the debugging pieces 24 are evenly distributed in the circumferential direction of the hoisting plate 11. The first fastener 8 and the third fastener 23 are screws.

The specific implementation process is as follows:

centering of the outer shell 4 is carried out, and the concrete steps are as follows: the outer shell 4 is placed into the second-stage stepped hole 3 of the hoisting base 1, the third fastening piece 23 penetrates into the mounting threaded hole, the third fastening piece 23 is pre-tightened, and the outer shell 4 can be loosened at the moment. Then, the second boss 6 of the centering sleeve 5 is placed into the first-stage stepped hole 2 of the hoisting base 1 in an equal circle matching mode, and the centering sleeve 5 and the hoisting base 1 are fixed by using the first fastener 8. And then, the centering shaft 7 penetrates through the center hole 13 of the centering sleeve 5 until the circular table top 9 at the bottom of the centering shaft 7 is matched with the circular hole in the outer shell 4, so that the installation error of the outer shell 4 is eliminated, and finally, the third fastening piece 23 is in threaded connection with the centering threaded hole through the adjusting hole 30 to be fixed. And finally, removing the centering sleeve 5 and the centering shaft 7.

Hoisting the inner assembly 10, specifically comprising the following steps: the positioning member 16 is installed in the installation hole 14, and then the cylindrical body 18 and the threaded head 19 of the second fastening member 25 are threaded into the fastening threaded hole of the inner member 10 after passing through the positioning hole of the positioning member 16. Then, the second mounting head 20 is rotated, the second mounting head 20 drives the threaded rod 21 to rotate, and the threaded rod 21 moves downwards while rotating until the spherical surface of the debugging head 22 abuts against the top of the inner component 10. And finally, placing the first boss 12 of the hoisting plate 11 into the first-stage stepped hole 2 of the hoisting base 1 in an equal circle matching mode, and fixing the hoisting plate 11 and the hoisting base 1 by using the first fastener 8. All the matching surfaces are continuous surfaces so far, and the designed coaxiality requirement can be met; and finally, completing the glue pouring operation.

The centering assembly and the hoisting assembly are used successively, the installation error of the outer shell 4 can be eliminated, all fitting surfaces are continuous surfaces, the designed coaxiality requirement can be met, the glue pouring operation of the quartz flexible accelerometer partial assembly is finally completed, the problem that the assembly requirement can be met only by adjusting the existing quartz flexible accelerometer hoisting tool for many times is solved, and the assembly success rate is effectively improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only for the embodiments of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, and those skilled in the art will know all the common technical knowledge in the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own ability to perfect and implement the schemes, and some typical known structures or known methods should not become obstacles for those skilled in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be defined by the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (9)

1. The utility model provides a hoist and mount frock which characterized in that: the hoisting device comprises a hoisting base (1) and a hoisting assembly, wherein two stages of concentric step holes are formed in the hoisting base (1), and are respectively a first-stage step hole (2) and a second-stage step hole (3) from top to bottom, and the diameter of the first-stage step hole (2) is larger than that of the second-stage step hole (3); the second-stage stepped hole (3) is used for placing an outer shell (4); the hoisting assembly is used for positioning the internal assembly (10); the hoisting assembly comprises a hoisting plate (11), a debugging piece (24), a plurality of groups of first fastening pieces (8) and second fastening pieces (25); a first boss (12) is arranged at the lower part of the hoisting plate (11), the diameter of the first boss (12) is equal to that of the first-stage step hole (2), and the first boss (12) can be inserted into the first-stage step hole (2); the diameter of the hoisting plate (11) is larger than that of the first-stage stepped hole (2); the hoisting plate (11) is detachably connected with the top of the hoisting base (1) by adopting a first fastener (8); a plurality of debugging threaded holes (15) are formed in the hoisting plate (11), a plurality of debugging pieces (24) can be in threaded connection with the debugging threaded holes (15), and the lower ends of the debugging pieces (24) can abut against the top of the internal component (10); a mounting hole (14) is formed in the center of the hoisting plate (11), a positioning piece (16) is arranged in the mounting hole (14), a positioning hole is formed in the center of the positioning piece (16), and the lower side of the second fastening piece (25) can be in threaded connection with a fastening threaded hole in the center of the internal component (10); the positioning hole is used for guiding and positioning the middle part of the second fastening piece (25).

2. The hoisting tool according to claim 1, characterized in that: the centering assembly is used for positioning the outer shell (4); the centering assembly comprises a centering shaft (7), a centering sleeve (5) and a plurality of third fasteners (23); a second boss (6) is arranged at the lower part of the centering sleeve (5); the diameter of the second boss (6) is equal to that of the first-stage stepped hole (2), and the second boss (6) can be inserted into the first-stage stepped hole (2); the diameter of the centering sleeve (5) is larger than that of the first-stage stepped hole (2); the centering sleeve (5) is detachably connected with the top of the hoisting base (1) by adopting the first fastener (8); the third fastener (23) is used for fixing the outer shell (4) and the second-stage stepped hole (3); the center of the centering sleeve (5) is provided with a center hole (13) for guiding the centering shaft (7); the centering sleeve (5) is also provided with a plurality of adjusting holes (30); the adjusting holes (30) correspond to the third fastening pieces (23) one by one, and the adjusting holes (30) can pass through tools for fastening the third fastening pieces (23); the lower side of the centering shaft (7) can center the outer shell (4) after passing through the center hole (13).

3. The hoisting tool according to claim 2, characterized in that: the diameter of the middle part of the centering shaft (7) is equal to that of the central hole (13).

4. The hoisting tool according to claim 2, characterized in that: the diameter of the middle part of the centering shaft (7) is larger than that of a circular hole in the outer shell (4); the lower part of the centering shaft (7) is provided with a circular table top (9), and the diameter of the end face of the circular table top (9) is smaller than that of a circular hole in the outer shell (4).

5. The hoisting tool according to claim 1, characterized in that: the mounting hole (14) is a positioning step hole, the positioning piece (16) adopts a step column, and the step column can be matched with the mounting hole (14).

6. The hoisting tool according to claim 1, characterized in that: the second fastener (25) comprises a cylinder (18) and a first mounting head (17), one side of the cylinder (18) is fixed with the first mounting head (17), and the other side of the cylinder (18) is provided with a threaded head (19); the diameter of the cylinder (18) is equal to that of the positioning hole; the bottom of the first mounting head (17) is larger than the opening area of the positioning hole; the first mounting head (17) is used to turn the threaded head (19).

7. The hoisting tool according to claim 1, characterized in that: the debugging piece (24) comprises a debugging head (22), a threaded rod (21) and a second mounting head (20); two sides of the threaded rod (21) are respectively fixed with the debugging head (22) and the second mounting head (20); the threaded rod (21) is in threaded connection with the debugging threaded hole (15); the area of the top surface of the debugging head part (22) and the area of the bottom surface of the second mounting head part (20) are larger than the opening area of the debugging threaded hole (15); the second mounting head (20) is used to turn the threaded rod (21).

8. The hoisting tool according to claim 7, characterized in that: the debugging head (22) is a hemisphere, the plane of the hemisphere is fixed with the threaded rod (21), and the spherical surface of the hemisphere is used for abutting against the top of the inner component (10).

9. The hoisting tool according to claim 2, characterized in that: the bottom of the first-stage stepped hole (2) is provided with a plurality of centering threaded holes, and the centering threaded holes can be opposite to the mounting threaded holes in the outer shell (4); the centering threaded holes, the mounting threaded holes and the third fasteners (23) are in one-to-one correspondence; the third fastening piece (23) can be in threaded connection with the centering threaded hole.

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