CN218157252U

CN218157252U - Intelligent control equipment for crushing force of intermediate shaft

Info

Publication number: CN218157252U
Application number: CN202222284791.8U
Authority: CN
Inventors: 陈建良; 张剑; 吕明浦; 杨胜国; 何建月; 何建隆; 吴言武
Original assignee: Yongjia Zhengling Machinery Technology Co ltd
Current assignee: Yongjia Zhengling Machinery Technology Co ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2022-12-27
Anticipated expiration: 2032-08-29

Abstract

The utility model discloses an intelligent control device for crushing force of an intermediate shaft, which has the technical scheme that the intelligent control device comprises a workbench, a pressing component, a controller, a thrust component and a limiting component, wherein the pressing component comprises a base fixedly connected with the workbench, a bracket positioned above the base, a supporting seat detachably connected on the upper surface of the base, a hydraulic cylinder positioned on the bracket and positioned above the supporting seat and a pressing seat detachably connected on an output shaft of the hydraulic cylinder and just opposite to the supporting seat, and the supporting seat and the pressing seat are both provided with shaft grooves; the thrust assembly comprises a shaft plate, an electric cylinder and a sensing assembly, wherein the electric cylinder is positioned on the shaft plate relative to the opposite side of the supporting seat, the sensing assembly is fixedly connected to the end part of an output shaft of the electric cylinder, and the output shaft of the electric cylinder penetrates through the shaft plate; the limiting assembly comprises a rod plate fixedly connected relative to the workbench and a limiting rod penetrating through the rod plate and fixed relative to the rod plate; pneumatic cylinder, electronic jar and sensing component all are connected with the controller electricity, have solved the problem of prior art's jackshaft pertinence production.

Description

Intelligent control equipment for crushing force of intermediate shaft

Technical Field

The utility model relates to a car jackshaft check out test set field, more specifically the utility model relates to a jackshaft crushing power intelligent control equipment that says so.

Background

The middle transmission shaft of the automobile is generally a structure with a bracket in the middle of two shaft tubes, the two shaft tubes are rigid structures, and the connecting structure in the middle of the two shaft tubes is a universal joint. When the vehicle is in direct collision, the shaft tube cannot deform, and the universal joint moves upwards due to the restraint of the support, so that the universal joint enters a cab after being collided with a floor, and hurts a driver and passengers. Therefore, part of automobiles are designed with a crumple structure of the intermediate transmission shaft, so as to avoid the intermediate transmission shaft from collapsing and not entering the cab and injuring the driver and passengers when the automobile is in frontal collision. The prior utility model discloses a chinese utility model patent that discloses: a kind of hitting the point and crumpling the energy-absorbing steering intermediate shaft (CN202020567926. X), its spline tube is fixed on spline shaft through hitting the point, through the friction force to realize the crumpling and energy-absorbing, although the above-mentioned structure can absorb the impact energy, but can cause the middle rotating shaft to crumple the force and is correlated with size of hitting the point, if the middle rotating shaft necessary crumpling force is large, the vehicle collides, the middle drive shaft fails to crumple and enters the driver's cabin, injures driver and passenger; if the required collapse force of middle axis of rotation is little, middle axis of rotation structural stability is poor, and the unable abundant impact energy that absorbs of middle axis of rotation simultaneously causes driver and passenger's injured degree height, so need design a section can the required collapse force size of accurate measurement middle axis of rotation equipment to seek the size of hitting a point that meets the requirements and can produce the middle axis of rotation that meets the requirements.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a jackshaft crushing force intelligent control equipment that ability accurate measurement crushing force data.

In order to achieve the above purpose, the utility model provides a following technical scheme: an intelligent control device for crushing force of an intermediate shaft comprises a workbench, a pressing assembly positioned on the workbench, a controller positioned on the workbench, a thrust assembly and a limiting assembly, wherein the thrust assembly and the limiting assembly are respectively positioned on two sides of the pressing assembly;

the thrust assembly comprises a shaft plate fixed relative to the workbench, an electric cylinder positioned on the shaft plate relative to the opposite side of the supporting seat and a sensing assembly fixedly connected to the end part of an output shaft of the electric cylinder, and the output shaft of the electric cylinder penetrates through the shaft plate;

the limiting assembly comprises a rod plate fixedly connected relative to the workbench and a limiting rod penetrating through the rod plate and fixed relative to the rod plate;

the hydraulic cylinder, the electric cylinder and the sensing assembly are electrically connected with the controller, and the sensing assembly and the limiting rod are respectively in top contact with two ends of the middle shaft in the shaft groove to enable the sensing assembly to feed back signals to the controller.

As a further improvement of the utility model, the limiting component further comprises an adjusting nut fixedly connected to the rod plate, and the limiting rod is in threaded connection with the adjusting nut.

As a further improvement, the limiting component further comprises a locking nut connected with the limiting rod by screw threads, the adjusting nut is positioned between the rod plate and the locking nut, and the locking nut and the adjusting nut are both positioned on one side of the rod plate facing the supporting seat.

As a further improvement, the limiting rod is coaxially provided with a stress block on the end part of the supporting seat, and the diameter of the stress block is larger than that of the limiting rod.

As a further improvement, the sensing assembly comprises a sensor fixing seat fixedly connected with the output shaft of the electric cylinder, a sensor positioned in the sensor fixing seat and electrically connected with the controller, and a thrust cap covering the sensor, and the thrust cap extrudes the intermediate shaft to enable the sensor to feed the counter force generated by the intermediate shaft to the thrust cap back to the controller.

As a further improvement, the lower pressing component further comprises a position adjusting plate fixedly connected to the upper surface of the base and a position adjusting seat capable of linearly moving along the axial groove in length direction relative to the position adjusting plate, the supporting seat is detachably connected to the upper surface of the position adjusting seat, and the axial plate and the rod plate are respectively and fixedly connected to two ends of the position adjusting plate.

As a further improvement, the pressing component further comprises a guide rod which is fixedly connected on the supporting seat and is positioned on one side of the shaft groove, and the guide rod is perpendicular to the supporting seat and penetrates through the pressing seat.

The utility model has the advantages that: the hydraulic cylinder drives the lower pressing seat to move downwards and limit the intermediate shaft together with the supporting seat, then the intermediate shaft is clamped by the electric cylinder and the limiting rod together, the intermediate shaft is continuously extruded along with the electric cylinder, the sensing assembly feeds data back to the controller until the intermediate shaft collapses, the maximum data recorded by the controller is the force capable of enabling the intermediate shaft to collapse, the collapsing force required by different intermediate shafts can be effectively and accurately measured by the design, so that workers can screen and effectively control the hitting point size of the intermediate shaft, the intermediate shaft meeting the requirements is designed according to actual requirements, and meanwhile, the sampling measurement of the intermediate shaft can be applied, the use is convenient, and the measurement is accurate; the supporting seat and the pressing seat are detachably connected, so that the supporting seat and the pressing seat which are provided with shaft grooves of different specifications can be replaced conveniently, the pressing seat is suitable for intermediate shafts of different specifications, and the application range is expanded.

Drawings

FIG. 1 is a schematic view of the three-dimensional structure of the utility model with an intermediate shaft;

fig. 2 is a perspective view of the thrust assembly of the present invention;

fig. 3 is a perspective view of the middle position-limiting assembly of the present invention;

fig. 4 is a perspective view of the middle pressing assembly of the present invention.

Reference numerals: 1. a work table; 2. pressing the assembly; 21. a base; 22. a support; 23. a supporting seat; 24. A hydraulic cylinder; 25. a pressing base; 26. a shaft groove; 27. a positioning plate; 28. a position adjusting seat; 29. a guide rod; 3. A controller; 4. a thrust assembly; 41. a shaft plate; 42. an electric cylinder; 43. a sensing component; 44. a sensor holder; 45. a sensor; 46. a thrust cap; 5. a limiting component; 51. a lever plate; 52. a limiting rod; 53. Adjusting the nut; 54. locking the nut; 55. and (4) a stress block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals.

Referring to fig. 1 to 4, the intelligent control device for crushing force of an intermediate shaft in the present embodiment includes a workbench 1, a pressing assembly 2 positioned on the workbench 1, a controller 3 positioned on the workbench 1, a thrust assembly 4 and a limiting assembly 5 respectively positioned at two sides of the pressing assembly 2, the pressing assembly 2 includes a base 21, a bracket 22, a supporting seat 23, a hydraulic cylinder 24 and a pressing seat 25, the base 21 is fixedly connected to an upper surface of the workbench 1, the bracket 22 is L-shaped and one end of the bracket is integrally formed with the base 21, the supporting seat 23 is positioned on an upper surface of the base 21 by fastening bolts, a cylinder body of the hydraulic cylinder 24 is fixedly connected to an upper portion of the bracket 22 and an output shaft thereof penetrates through the bracket 22 and extends to the supporting seat 23, the output shaft of the hydraulic cylinder 24 is fixedly connected to the pressing seat 25 by bolts, the opposite end surfaces of the supporting seat 23 and the lower pressing seat 25 are respectively provided with a shaft groove 26 which can be spliced together to form a structure for accommodating an intermediate shaft, the shaft groove 26 is a stepped groove, the large end of the shaft groove faces the limiting component 5, the thrust component 4 comprises a shaft plate 41, an electric cylinder 42 and a sensing component 43, the shaft plate 41 is arranged on the upper surface of the workbench 1, the electric cylinder 42 is positioned on the end surface of the shaft plate 41 far away from the supporting seat 23, the output shaft of the electric cylinder 42 penetrates through the shaft plate 41 and is coaxially arranged with the shaft groove 26, the sensing component 43 is fixedly connected to the end part of the output shaft of the electric cylinder 42, the limiting component 5 comprises a rod plate 51 and a limiting rod 52, the rod plate 51 is arranged on the upper surface of the workbench 1, the limiting rod 52 penetrates through the rod plate 51 and is positioned on the rod plate 51, the limiting rod 52 is coaxially arranged with the shaft groove 26, and the hydraulic cylinder 24, the electric cylinder 42 and the sensing component 43 are electrically connected with the controller 3;

in the using process, the intermediate shaft comprises an outer cylinder and an inner rod sleeved in the outer cylinder, the intermediate shaft is placed in a shaft groove 26 of a supporting seat 23, the small end of the shaft groove 26 is matched with the inner rod, the large end of the shaft groove 26 is matched with the outer cylinder, the step surface of the shaft groove 26 is abutted against the end surface of the outer cylinder, one end of the intermediate shaft is abutted against a limiting rod 52, then the controller 3 controls a hydraulic cylinder 24 to drive a lower pressing seat 25 to move towards the supporting seat 23 until the lower pressing seat 25 is abutted against the supporting seat 23, the intermediate shaft is limited on the lower pressing seat 25 and the supporting seat 23 to jointly form the shaft groove 26, then the controller 3 controls an electric cylinder 42 to drive a sensing assembly 43 to move towards the intermediate shaft until the sensing assembly 43 is abutted against one end of the intermediate shaft and the intermediate shaft is limited by the limiting rod 52 and cannot move, the intermediate shaft is continuously extruded along with the output shaft of the electric cylinder 42, the sensing assembly 43 feeds back the magnitude of a reaction force generated by the intermediate shaft to the controller 3 in real time and records data until the intermediate shaft collapses and suddenly shortens, the data of the intermediate shaft is fed back to the controller 3, and the intermediate shaft can be sequentially controlled by the lower cylinder 24 and then the intermediate shaft is reset of the intermediate shaft is detected;

the design can effectively and accurately measure the collapsing force required by different intermediate shafts, so that workers can screen and effectively control the dotting size of the intermediate shafts, the intermediate shafts meeting the requirements are designed according to actual requirements, and meanwhile, the design can be applied to sampling measurement of the intermediate shafts, and the design is convenient to use and accurate in measurement; bearing 23 and the design of pressing down the seat 25 and all adopting the detachable connection are convenient for change and are offered bearing 23 and the lower seat 25 of different specification shaft grooves 26 to be applicable to the jackshaft of different specifications, enlarged application scope.

As an improved specific embodiment, because the intermediate shaft includes an outer cylinder and an inner rod sleeved in the outer cylinder, the outer cylinder is in contact with a step surface of the shaft groove 26, the length of the outer cylinder changes due to different specifications of the intermediate shaft, if the distance between the limiting rod 52 and the supporting seat 23 is fixed, the outer cylinder is too long to be installed between the shaft groove 26 and the limiting rod 52, in order to solve the above problem, as shown in fig. 1 and fig. 3, the limiting assembly 5 further includes an adjusting nut 53, a through hole and threaded holes distributed around the through hole are formed on the rod plate 51, a ring body matched with the through hole is integrally formed on an end surface of the adjusting nut 53 facing the rod plate 51, the limiting rod 52 is a screw rod, both the adjusting nut 53 and the inner hole of the ring body are provided with internal threads connected with the limiting rod 52, a through hole corresponding to the threaded hole on the rod plate 51 is formed on the adjusting nut 53, the adjusting nut 53 is screwed into the threaded hole on the rod plate 51 by passing through the through hole on the adjusting nut 53, so that the adjusting nut 53 is fixedly connected to the rod 51, the adjusting nut 53 is located between the supporting seat 23 and the limiting rod 52 and the supporting seat is rotated by relative to increase the applicable range of the outer cylinder, which the outer cylinder; meanwhile, compared with the design that the limiting rod 52 is connected with the adjusting nut 53, the design that the limiting rod 52 is directly in threaded connection with the rod plate 51 can ensure that the internal thread of the adjusting nut 53 is deformed and damaged after the limiting rod 52 is pushed for many times, only the adjusting nut 53 needs to be replaced without replacing the rod plate 51, and the material cost of an enterprise is effectively reduced;

further optimization, referring to fig. 1 and 3, the limiting assembly 5 further includes a lock nut 54 in threaded connection with the limiting rod 52, the adjusting nut 53 is located between the rod plate 51 and the lock nut 54, and after the limiting rod 52 rotates in place relative to the adjusting nut 53, the lock nut 54 is rotated to enable the lock nut 54 to be attached to the end surface of the adjusting nut 53, so that the design can not only prevent the limiting rod 52 from rotating in a direction away from the supporting seat 23, but also reduce the possibility that the limiting rod 52 rotates in a direction towards the supporting seat 23 through the friction force between the two end surfaces of the adjusting nut 53 and the lock nut 54, improve the structural stability of the limiting rod 52, and simultaneously when the limiting rod 52 is thrust, the end surface of the adjusting nut 53 provides acting force for the lock nut 54 to further improve the thrust resistance of the limiting rod 52.

As an improved specific embodiment, referring to fig. 1 and 3, since the stop rod 52 rotates too much relative to the adjusting nut 53 to separate the lock nut 54 or the adjusting nut 53 from the stop rod 52, a force-receiving block 55 is coaxially disposed on the end of the stop rod 52 facing the support seat 23, the diameter of the force-receiving block 55 is larger than that of the stop rod 52, the diameter of the force-receiving block 55 is larger than that of the end of the intermediate shaft, the design of the force-receiving block 55 increases the contact surface between the stop rod 52 and the end of the intermediate shaft, so that the end of the intermediate shaft is uniformly stressed and not easily damaged, and meanwhile, the lock nut 54, the adjusting nut 53 or the rod plate 51 contact against the force-receiving block 55 to enable the stop rod 52 to rotate to the limit without falling off, so as to ensure the structural stability of the stop rod 52 in the using process.

As an improved specific embodiment, referring to fig. 1 and fig. 2, a sensing assembly 43 includes a sensor holder 44, a sensor 45, and a thrust cap 46, the sensor holder 44 is coaxially and fixedly connected to an output shaft of an electric cylinder 42, the sensor 45 is located in an inner cavity of the sensor holder 44 by means of clamping or bolt fastening, the thrust cap 46 is sleeved outside the sensor holder 44 and can move linearly relative to the sensor holder 44, the sensor 45 is covered in the thrust cap 46, a contact of the sensor 45 is attached to an inner wall of the thrust cap 46, the thrust cap 46 is provided with a through hole for a line of the sensor 45 to extend out, the sensor 45 is electrically connected to the controller 3, in a using process, the output shaft of the electric cylinder 42 extends to an intermediate shaft, the thrust cap 46 abuts against an end of the intermediate shaft, as the output shaft of the electric cylinder 42 continues to move, the thrust cap 46 moves linearly relative to the sensor holder 44, and the thrust cap 46 presses the contact of the sensor 45, the sensor 45 feeds back a measured extrusion force to the controller 3, and the sensor 45 is designed to avoid damage of the contact of the sensor 45 due to the sensor 45, the sensor 45 being directly abutted against the intermediate shaft, the sensor 45 is wrapped, the sensor 45 can be effectively protected, and the sensor 45 can be more uniformly and the data can be measured.

As an improved specific embodiment, there is a situation that the total length of the intermediate shaft is the same, but the length of the intermediate shaft that is exposed outside the outer cylinder is far less than the length of the outer cylinder, so that the intermediate shaft cannot be smoothly loaded on the supporting seat 23, in order to solve the foregoing problems, as shown in fig. 1 and 4, the pressing assembly 2 further includes a positioning plate 27 and a positioning seat 28, the length of the positioning plate 27 is greater than the length of the base 21, two ends of the positioning plate 27 are respectively located at two sides of the base 21, the shaft plate 41 and the rod plate 51 are both located on the positioning plate 27 by welding or bolt fastening, so that the through hole on the shaft plate 41, the through hole on the rod plate 51, and the shaft groove 26 are all coaxially arranged, thereby facilitating the subsequent electric cylinder 42 and the limit rod 52 to be coaxially arranged with the intermediate shaft, the shaft plate 41 and the rod plate 51 are respectively located at two ends of the positioning plate 27, the positioning plate 27 is provided with a slide hole that extends along the length direction thereof and has a trapezoidal cross section, the end with a small opening of the slide hole is positioned on the surface of the positioning plate 27 facing the hydraulic cylinder 24, the end with a large opening of the slide hole is positioned on the bottom surface of the positioning plate 27 facing the base 21, the bottom surface of the positioning seat 28 facing the positioning plate 27 is provided with a threaded hole corresponding to the slide hole, a slide bar with a trapezoidal section is arranged in the slide hole from bottom to top relative to the positioning plate 27, the slide bar is fixedly connected with the positioning seat 28 by penetrating through the slide bar and screwing into the threaded hole on the bottom surface of the positioning seat 28 through a bolt, the positioning seat 28 is limited on the positioning plate 27, the supporting seat 23 is connected to the positioning seat 28 in a bolt fastening mode, the positioning seat 28 is in threaded connection with a positioning bolt capable of contacting with the positioning plate 27, the positioning bolt is positioned on one side of the supporting seat 23, the positioning bolt is screwed off the positioning plate 27 in use, and then the positioning seat 28 is pushed to linearly move to the position relative to the positioning plate 27, the positioning bolt is screwed towards the positioning plate 27, the positioning seat 28 is adjusted in place relative to the positioning plate 27, and the lower pressing seat 25 on the hydraulic cylinder 42 is replaced to enable the lower pressing seat 25 to still limit the intermediate shaft on the supporting seat 23, so that the defect that the intermediate shaft cannot be smoothly loaded on the supporting seat 23 due to the fact that the total length of the intermediate shaft is the same but the length of the inner rod of the intermediate shaft exposed out of the outer cylinder is far smaller than that of the outer cylinder is overcome, the application range is widened, and the structure is reasonable; the trapezoidal shape of the slide bar and the slide hole and the design of the positioning bolt improve the structural stability of the positioning seat 28 after moving relative to the positioning plate 27.

As an improved specific embodiment, referring to fig. 1 and 4, the pressing assembly 2 further includes a guide rod 29 fixedly connected to the supporting seat 23 and located on one side of the shaft groove 26, the guide rod 29 is perpendicular to the supporting seat 23 and penetrates through the pressing seat 25, so that the design can provide a guiding function for the pressing seat 25 moving downward, and the phenomenon that the pressing seat 25 inclines and cannot limit the middle shaft together with the supporting seat 23 is avoided;

to further explain, in order to avoid the phenomenon that the guide rod 29 needs to be reset when the supporting seat 23 and the pressing seat 25 are replaced, one end of the guide rod 29 can be positioned on the base 21 and a guide plate capable of being connected with the pressing seat 25 is fixedly connected to the output shaft of the hydraulic cylinder 24.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an intermediate shaft crushing force intelligent control equipment which characterized in that: the middle shaft pressing device comprises a workbench (1), a pressing component (2) positioned on the workbench (1), a controller (3) positioned on the workbench (1), thrust components (4) and limiting components (5) which are respectively positioned on two sides of the pressing component (2), wherein the pressing component (2) comprises a base (21) fixedly connected with the workbench (1), a support (22) positioned above the base (21), a supporting seat (23) detachably connected to the upper surface of the base (21), a hydraulic cylinder (24) positioned on the support (22) and positioned above the supporting seat (23) and a pressing seat (25) detachably connected to an output shaft of the hydraulic cylinder (24) and opposite to the supporting seat (23), and the supporting seat (23) and the pressing seat (25) are respectively provided with a shaft groove (26) which can be jointly formed for accommodating a middle shaft;

the thrust assembly (4) comprises a shaft plate (41) fixed relative to the workbench (1), an electric cylinder (42) positioned on the shaft plate (41) relative to the opposite side of the supporting seat (23), and a sensing assembly (43) fixedly connected to the end part of an output shaft of the electric cylinder (42), wherein the output shaft of the electric cylinder (42) penetrates through the shaft plate (41);

the limiting assembly (5) comprises a rod plate (51) fixedly connected relative to the workbench (1) and a limiting rod (52) penetrating through the rod plate (51) and fixed relative to the rod plate (51);

the hydraulic cylinder (24), the electric cylinder (42) and the sensing assembly (43) are electrically connected with the controller (3), and the sensing assembly (43) feeds back signals to the controller (3) through the fact that the sensing assembly (43) and the limiting rod (52) are respectively in top contact with two ends of a middle shaft in the shaft groove (26).

2. The intelligent control device of crushing force of an intermediate shaft according to claim 1, wherein: the limiting assembly (5) further comprises an adjusting nut (53) fixedly connected to the rod plate (51), and the limiting rod (52) is in threaded connection with the adjusting nut (53).

3. The intelligent control device of crushing force of an intermediate shaft according to claim 2, wherein: the limiting assembly (5) further comprises a locking nut (54) in threaded connection with the limiting rod (52), the adjusting nut (53) is located between the rod plate (51) and the locking nut (54), and the locking nut (54) and the adjusting nut (53) are located on one side, facing the supporting seat (23), of the rod plate (51).

4. The intelligent control device for crushing force of an intermediate shaft according to claim 1, 2 or 3, wherein: and a stress block (55) is coaxially arranged on the end part of the limiting rod (52) facing the supporting seat (23), and the diameter of the stress block (55) is larger than that of the limiting rod (52).

5. The intelligent control device for crushing force of an intermediate shaft according to claim 1, 2 or 3, wherein: the sensing assembly (43) comprises a sensor fixing seat (44) fixedly connected with an output shaft of the electric cylinder (42), a sensor (45) positioned in the sensor fixing seat (44) and electrically connected with the controller (3), and a thrust cap (46) covering the sensor (45), and the thrust cap (46) extrudes the intermediate shaft to enable the sensor (45) to feed back the reaction force generated by the intermediate shaft to the thrust cap (46) to the controller (3).

6. The intelligent control apparatus for crushing force of an intermediate shaft according to claim 1, 2 or 3, wherein: the pressing assembly (2) further comprises a positioning plate (27) fixedly connected to the upper surface of the base (21) and a positioning seat (28) capable of linearly moving relative to the positioning plate (27) along the length direction of the shaft groove (26), the supporting seat (23) is detachably connected to the upper surface of the positioning seat (28), and the shaft plate (41) and the rod plate (51) are fixedly connected to two ends of the positioning plate (27) respectively.

7. The intelligent control apparatus for crushing force of an intermediate shaft according to claim 1, 2 or 3, wherein: the pressing assembly (2) further comprises a guide rod (29) which is fixedly connected to the supporting seat (23) and located on one side of the shaft groove (26), and the guide rod (29) is perpendicular to the supporting seat (23) and penetrates through the pressing seat (25).