CN220279506U

CN220279506U - Moment loading equipment for multiple bolt groups

Info

Publication number: CN220279506U
Application number: CN202321821502.1U
Authority: CN
Inventors: 张奇; 华栋; 董智远; 李建伍; 崔晓鹏; 吕欣; 汪扬; 师钰; 常恒; 张立梅; 李鹏
Original assignee: CASIC Defense Technology Research and Test Center
Current assignee: CASIC Defense Technology Research and Test Center
Priority date: 2023-07-11
Filing date: 2023-07-11
Publication date: 2024-01-02
Anticipated expiration: 2033-07-11

Abstract

The application provides moment loading equipment for a multi-bolt group, which comprises a moment loading end, a moment transmission mechanism and a plurality of moment output ends which are connected in sequence; the torque transmission mechanism is a gear transmission mechanism; each moment output end is used for being connected with one bolt of the multi-bolt group. According to the torque transmission mechanism, the torque input by the torque loading end can be loaded onto a plurality of torque output ends, the torque output ends are connected with the bolts of the multiple bolt groups, the purpose of simultaneously loading the torque to the multiple bolt groups can be achieved, the same effect of loading the torque by the bolts of the multiple bolt groups is guaranteed while the efficiency is improved, and the uniformity of loading the torque by the multiple bolt groups is guaranteed.

Description

Moment loading equipment for multiple bolt groups

Technical Field

The utility model relates to the technical field of mechanical tools, in particular to moment loading equipment for a multi-bolt group.

Background

The clamp ring type tool generally realizes product fixation by applying a pressing force to fixing bolts at two sides. Under the normal condition, 2-4 bolts are required to be installed on two sides of the clamping ring, and two testers simultaneously screw the bolts on two sides of the clamping ring in a symmetrical loading moment mode, so that the clamping ring is pressurized. The moment loading mode has the following defects: (1) uneven moment loading of the multiple bolt groups: the clamping ring type tool is characterized in that the structure of the clamping ring type tool is similar to a lever, two sides of a middle support are suspended, a tester screws bolts in a bolt group on two sides of the clamping ring in a 'small and multiple' mode, and uniformity of torque loading of each bolt in the bolt group is difficult to ensure; (2) The tester realizes fixture fixation by sequentially and continuously tightening the bolts, and the loading mode has low speed and low efficiency; (3) Two testers hardly guarantee to move synchronously, and the clamping ring tool is easy to incline to the side with the fast moment loading caused by too fast loading of one side of the tool.

Disclosure of Invention

In view of the above, the present utility model provides a moment loading device for a multi-bolt set to solve the problem of uneven loading moment when fixing the multi-bolt set.

Based on the above object, the present utility model provides a torque loading device for a multiple bolt group, comprising a torque loading end, a torque transmission mechanism and a plurality of torque output ends, which are sequentially connected;

the torque transmission mechanism is a gear transmission mechanism;

each moment output end is used for being connected with one bolt of the multi-bolt group.

Further, the torque transmission mechanism comprises a driving wheel and at least one driven wheel transmission structure, and each driven wheel transmission structure is connected with at least one torque output end;

the driving wheel and the driven wheel transmission structure are in meshed connection.

Further, the driven wheel transmission structure comprises a driven wheel and at least one bevel gear set which are connected, the driven wheel is connected with the driving wheel in a meshed mode, and each bevel gear set is connected with at least one moment output end.

Further, the moment loading end, the moment transmission mechanism and the moment output ends are all connected through transmission rods.

Further, the moment loading end is a moment loading rod piece, and the free end of the moment loading rod piece is provided with a groove.

Further, the torque output end is a torque output rod piece, and the periphery of the torque output rod piece is matched with the bolts of the multi-bolt group.

Furthermore, the moment loading end, the moment output end and the transmission rod are detachably connected.

Further, the transmission rod is of a telescopic structure.

Further, the transmission rod comprises a solid rod and a sleeve, one end of the sleeve is sleeved on the periphery of one end of the solid rod, a long groove consistent with the length direction of the sleeve is formed in the inner wall of the part, connected with the solid rod, of the sleeve, a protrusion matched with the long groove is formed in the outer wall, connected with the solid rod, of the sleeve, and the protrusion can slide in the long groove along the length direction of the protrusion so as to realize the extension and retraction of the transmission rod;

and a jackscrew is arranged on the side wall of one end of the sleeve, which is close to the solid rod, and is in threaded connection with the sleeve, and one end of the jackscrew is screwed to be abutted with the solid rod, so that the sleeve is fixed relative to the solid rod.

Further, a protective cover is arranged on the periphery of the torque transmission mechanism.

From the above, it can be seen that the torque loading device for a multiple bolt group provided by the utility model is provided with the torque transmission mechanism, so that the torque input through the torque loading end can be simultaneously loaded onto a plurality of torque output ends, the torque output ends are connected with a plurality of bolts of the multiple bolt group, the purpose of simultaneously loading the torque on the plurality of bolts of the multiple bolt group can be achieved, the effect that the torque is the same when the bolts of the multiple bolt group are loaded is ensured while the efficiency is improved, and the uniformity of the loading torque on the multiple bolt group is achieved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an internal structure of a moment loading apparatus for a multiple bolt set according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a driving rod according to an embodiment of the present utility model;

fig. 3 is a schematic external structure of a moment loading apparatus for a multiple bolt set according to an embodiment of the present utility model.

In the figure: 1. a moment loading end; 11. a groove; 2. a torque transmission mechanism; 21. a driving wheel; 22. a driven wheel transmission structure; 221. driven wheel; 222. a bevel gear set; 3. a torque output end; 4. a transmission rod; 41. a solid rod; 411. a protrusion; 42. a sleeve; 421. a long groove; 422. a jackscrew; 5. and a protective cover.

Detailed Description

The present utility model will be further described in detail below with reference to specific embodiments and with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present utility model more apparent.

It should be noted that unless otherwise defined, technical or scientific terms used in the embodiments of the present utility model should be given the ordinary meaning as understood by one of ordinary skill in the art to which the present application pertains. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

As described in the background art, the clamping ring tool generally applies a pressing force through fixing bolts at two sides so as to fix a product. Under the normal condition, 2-4 bolts are required to be installed on two sides of the clamping ring, two testers simultaneously screw the bolts on two sides of the clamping ring in a symmetrical torque loading mode, and clamping ring pressurization is achieved, but the mode can lead to uneven torque loading and low torque loading efficiency.

Not only in snap ring class frock, also can exist above-mentioned condition in other frock, in the mechanical installation process that needs screw up the bolt, can not guarantee the homogeneity of moment loading through the mode of manual work tightening the bolt one by one, and inefficiency influences the installation effect of machinery. Based on this, the present application proposes a torque loading device for a multiple bolt set.

In the following, the technical solution of one or more embodiments of the present application will be described in detail by means of specific embodiments, and a moment loading device for a multiple bolt set, as shown in fig. 1, includes a moment loading end 1, a moment transmission mechanism 2, and a plurality of moment output ends 3 connected in sequence;

the torque transmission mechanism 2 is a gear transmission mechanism;

each moment output end 3 is used for being connected with one bolt of the multi-bolt group.

In this embodiment, the moment loading end 1, the moment transmission mechanism 2 and the plurality of moment output ends 3 are sequentially connected, the plurality of moment output ends 3 are arranged in a one-to-one correspondence with a plurality of bolts included in the multi-bolt group, so that the moment loaded by the moment loading end 1 can be transmitted to the plurality of moment output ends 3 in the moment transmission mechanism 2, the plurality of moment output ends 3 respectively act the moment on the plurality of bolts correspondingly arranged on the moment loading end, the effect of applying the moment to the plurality of bolts of the multi-bolt group is achieved, in addition, the moment transmission mechanism 2 is a gear transmission mechanism, the moment loaded by the moment loading end 1 only changes the acting direction of the moment on the moment transmission mechanism 2, and the magnitude of the moment is not changed, so that the moment output by the moment output end 3 is the same, the effect of applying the moment with the same magnitude by the plurality of bolts of the multi-bolt group is achieved, therefore, the effect of simultaneously applying the moment to the plurality of bolts of the multi-bolt group is achieved, and the effect of loading the moment by the plurality of bolts is guaranteed.

In some embodiments, the torque transmission mechanism 2 includes a driving wheel 21 and at least one driven wheel transmission structure 22, and each driven wheel transmission structure 22 is connected to at least one torque output end 3;

the driving wheel 21 and the driven wheel transmission structure 22 are in meshed connection.

In the present exemplary embodiment, the driven wheel transmission is used to transmit the torque applied to the driving wheel 21 to the torque output 3, so that the torque output 3 can output a torque. The driving wheel 21 can be in meshed connection with at least one driven wheel transmission structure 22, the driven wheel transmission structure 22 can be connected with at least one moment output end 3, the driven wheel transmission structure 22 only transmits moment and does not change the moment, so that the moment on the driving wheel 21 can be transmitted to at least one moment output end 3, the purpose of transmitting the moment loaded on the driving wheel 21 to a plurality of moment output ends 3 is achieved, correspondingly, the moment loading device can load the moment on a plurality of bolts of the multi-bolt group at the same time, and the moment is the same, so that the uniformity of the loading moment on a plurality of bolts of the multi-bolt group is guaranteed.

In some embodiments, the driven wheel transmission structure 22 includes a driven wheel 221 and at least one bevel gear set 222, where the driven wheel 221 is engaged with the driving wheel 21, and each bevel gear set 222 is connected with at least one torque output end 3. In this embodiment, the driven wheel transmission structure 22 is a bevel gear transmission structure, and the torque applied by the driving wheel 21 is dispersed into a plurality of torques by utilizing the characteristic that the bevel gear transmission structure changes the transmission direction without changing the torque, so as to achieve the purpose of loading the torques on the multiple bolt groups simultaneously.

Specifically, the bevel gear set 222 may be flexibly configured according to the number of the torque output ends 3 required, where the bevel gear set 222 includes two types, one is a bevel gear set 222 including one drive bevel gear and two driven bevel gears, and the other is a bevel gear set 222 including one drive bevel gear and one driven bevel gear, where the former can drive the torque applied to the drive bevel gear to the two driven bevel gears, and the two driven bevel gears have different directions and are different from the drive bevel gears, so that the torque can be driven in two directions, and the latter can drive the torque applied to the drive bevel gear to one driven bevel gear, and the direction of the driven bevel gear is different from the drive bevel gear, so that the change of the direction of the torque and the direction of action of the torque can be realized. In the actual use process, at least one bevel gear set 222 in the driven wheel transmission structure 22 can be flexibly set according to the direction in which torque is applied to a plurality of bolts in the multi-bolt set, so as to meet the actual use requirement.

In some embodiments, the torque loading end 1 and the torque transmission mechanism 2, the torque transmission mechanism 2 and the plurality of torque output ends 3 are all connected by a transmission rod 4. The transmission rod 4 is fixedly connected with the moment loading end 1, the moment transmission mechanism 2 and the moment output ends 3, so that the moment of the moment loading end 1 can be transmitted to the moment transmission mechanism 2 and the moment output ends 3, and the transmission rod 4 plays a role in transmitting the moment.

In some embodiments, the torque loading end 1 is a torque loading rod, and the free end thereof is provided with a groove 11. One end of the moment loading end 1 is fixedly connected with the moment transmission mechanism 2, the other end is a free end, the free end is used for applying moment, and the free end is provided with the groove 11 for being connected with a moment loading tool, so that moment application can be facilitated, and moment loading can be achieved.

Specifically, the groove 11 is an inner hexagonal groove 11, the inner hexagonal groove 11 is adapted to a hexagonal wrench, when a torque is loaded, one end of the hexagonal wrench is placed in the inner hexagonal groove 11, fixation of the hexagonal wrench and the torque loading end 1 in the torque loading direction is achieved, external force is facilitated to load the torque to the hexagonal wrench, and the purpose of loading the torque to the torque loading end 1 is achieved.

In some embodiments, the torque output end 3 is a torque output rod, and the periphery of the torque output rod is matched with the bolts of the multi-bolt group. The moment output end 3 is a moment output rod piece and is used for inserting bolts of the multi-bolt group to realize loading moment on the bolts of the multi-bolt group. The periphery of the moment output end 3 is arranged to be matched with the bolts of the multi-bolt group, so that the moment output end 3 can be conveniently inserted into the bolts of the multi-bolt group, the moment output end 3 and the bolts of the multi-bolt group are fixed in the moment loading direction, and the moment output end 3 can load moment to the multi-bolt group.

Specifically, the periphery of the moment output end 3 is a regular hexagon, the bolts of the multiple bolt groups are regular hexagon bolts, the periphery of the moment output end 3 is matched with the inside of the regular hexagon bolts, and the moment output end 3 is inserted into the regular hexagon bolts to fix the moment output end 3 and the regular hexagon bolts in the moment loading direction.

In some embodiments, the torque loading end 1 and the torque output end 3 are detachably connected with the transmission rod 4. In the actual use process of the moment loading equipment, the moment loading end 1 and the moment output end 3 can be replaced according to the actual use requirement, so that the moment loading equipment is more flexible to use.

Specifically, the torque loading end 1 is connected with the torque transmission mechanism 2 through the transmission rod 4, the transmission rod 4 is in threaded connection with the torque loading end 1 so as to realize detachable connection, the torque output end 3 is connected with the torque transmission mechanism 2 through the transmission rod 4, and the transmission rod 4 is in threaded connection with the torque output end 3 so as to realize detachable connection.

In some embodiments, the transmission rod 4 is of a telescopic structure. In the actual use process of the moment loading equipment, the spacing between the moment output ends 3 and the number of the used moment output ends 3 can be adjusted by stretching and retracting the transmission rod 4 according to the actual spacing between a plurality of bolts in the multi-bolt group, so that the moment loading equipment can be used flexibly.

In some embodiments, as shown in fig. 2, the driving rod 4 includes a solid rod 41 and a sleeve 42, one end of the sleeve 42 is sleeved on the periphery of one end of the solid rod 41, a long strip groove 42111 consistent with the length direction of the sleeve 42 is provided on the inner wall of the part where the sleeve 42 is connected with the solid rod 41, a protrusion 411 matched with the long strip groove 42111 is provided on the outer wall where the solid rod 41 is connected with the sleeve 42, and the protrusion 411 can slide in the long strip groove 42111 along the length direction thereof to realize the extension and retraction of the driving rod 4;

the side wall of one end of the sleeve 42, which is close to the solid rod 41, is provided with a jackscrew 422, the jackscrew 422 is in threaded connection with the sleeve 42, and one end of the jackscrew 422 is screwed to be abutted against the solid rod 41, so that the sleeve 42 is fixed relative to the solid rod 41.

In this embodiment, the transmission rod 4 includes a solid rod 41 and a sleeve 42, the sleeve 42 is sleeved on the periphery of one end of the solid rod 41, the inner wall, connected with the solid rod 41, of the sleeve 42 is provided with a long groove 42111, correspondingly, the outer wall of the solid rod 41 is provided with a protrusion 411, the protrusion 411 is adapted to the long groove 42111, and can slide along the length direction of the transmission rod 4 in the long groove 42111, so as to adjust the length of the transmission rod 4, realize the extension and retraction of the transmission rod 4, and after adjusting the length of the transmission rod 4, screw up the jackscrew 422 located on the side wall of the sleeve 42, so that one end, located in the sleeve 42, of the jackscrew 422 abuts against the outer wall of the solid rod 41, thereby realizing the fixation of the sleeve 42 and the solid rod 41, further realizing the length fixation of the transmission rod 4, and avoiding the length change of the transmission rod 4 in the use process of the moment loading device.

In some embodiments, the driving rod 4 includes a solid rod 41 and a sleeve 42, one end of the sleeve 42 is sleeved on the periphery of one end of the solid rod 41, a long groove 42111 consistent with the length direction of the sleeve 42 is provided on the inner wall of the portion where the sleeve 42 is connected with the solid rod 41, a protrusion 411 matched with the long groove 42111 is provided on the outer wall where the solid rod 41 is connected with the sleeve 42, and the protrusion 411 can slide in the long groove 42111 along the length direction thereof to realize the extension and retraction of the driving rod 4.

In this embodiment, the transmission rod 4 only has a telescopic function, in the use process, a plurality of moment output ends 3 are connected with bolts of the multi-bolt group in an adaptive manner, the telescopic function of the transmission rod 4 is utilized, the connection process is very simple and convenient, the length of each transmission rod 4 does not need to be adjusted independently, after the moment output ends 3 are connected with the multi-bolt group, the moment loading equipment can be erected on a clamping ring tool corresponding to the multi-bolt group, so that the transmission rod 4 realizes axial fixation under the action of the protrusions 411 and the long grooves 421 of the transmission rod 4, the transmission rod 4 is prevented from rotating axially, the transmission rod 4 is fixed in the length direction under the action of the clamping ring tool, and the fixation of the transmission rod 4 is comprehensively realized, so that the moment loading equipment can play a role stably.

In some embodiments, as shown in fig. 3, a protective cover 5 is disposed around the torque transmission mechanism 2. The situation that an external object or a person touches the torque transmission mechanism 2 to affect the normal use of the torque transmission mechanism 2 and the situation that the person touches the torque transmission mechanism 2 by mistake to cause injury in the use process can be avoided, and the safety of the torque loading equipment is improved.

Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the application (including the claims) is limited to these examples; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the utility model, the steps may be implemented in any order and there are many other variations of the different aspects of the utility model as described above, which are not provided in detail for the sake of brevity.

The embodiments of the utility model are intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present utility model should be included in the scope of the present utility model.

Claims

1. The moment loading equipment for the multi-bolt group is characterized by comprising a moment loading end, a moment transmission mechanism and a plurality of moment output ends which are connected in sequence;

the torque transmission mechanism is a gear transmission mechanism;

2. A torque loading apparatus for a multiple bolt set according to claim 1 wherein said torque transmission mechanism includes a drive wheel and at least one driven wheel transmission structure, each of said driven wheel transmission structures being connected to at least one of said torque output terminals;

3. A torque loading apparatus for a multiple bolt set according to claim 2 wherein said driven wheel drive structure includes connected driven wheels and at least one bevel gear set, said driven wheels being in meshed connection with said drive wheels, each of said bevel gear sets being connected with at least one of said torque outputs.

4. A torque loading apparatus for a multiple bolt set according to claim 1, wherein said torque loading end and said torque transmission mechanism, said torque transmission mechanism and said plurality of torque output ends are all connected by a drive rod.

5. A torque loading apparatus for a multiple bolt set according to claim 1, wherein the torque loading end is a torque loading rod, the free end of which is provided with a recess.

6. A torque loading apparatus for a multiple bolt set according to claim 1, wherein the torque output end is a torque output rod, the periphery of which is adapted to bolts of the multiple bolt set.

7. The moment loading device for multiple bolt sets of claim 4, wherein the moment loading end and the moment output end are both detachably connected to the drive rod.

8. The moment loading apparatus for a multiple bolt set according to claim 4, wherein the drive rod is of a telescoping construction.

9. The moment loading device for the multiple bolt groups according to claim 8, wherein the transmission rod comprises a solid rod and a sleeve, one end of the sleeve is sleeved on the periphery of one end of the solid rod, a long strip groove consistent with the length direction of the sleeve is formed in the inner wall of the part, connected with the solid rod, of the sleeve, a protrusion matched with the long strip groove is formed in the outer wall, connected with the sleeve, of the solid rod, and the protrusion can slide in the long strip groove along the length direction of the protrusion so as to realize the extension and retraction of the transmission rod;

10. A torque loading apparatus for a multiple bolt set according to claim 1, wherein a shield is provided around the torque transmission mechanism.