Special pressure head for torsion shaft detection equipment and torsion shaft detection equipment

Abstract

The utility model relates to the field of special pressure heads for torsion shaft detection equipment, and provides a special pressure head for torsion shaft detection equipment, which comprises a sliding seat, an upper connecting plate, a guide device, a pressure sensor, a pressure sensor instrument and a pressure block, the sliding seat is arranged on detection equipment in a sliding manner; the guide device is mounted on the sliding seat; the upper connecting plate is mounted on the guide device and is connected with the driving mechanism; the pressing block is mounted at the bottom of the sliding seat; according to the utility model, the guide device is arranged on the sliding seat, so that an accommodating space is provided for the pressure sensor, and the pressure sensor is effectively protected; in the working process, violent impact on the pressure sensor is avoided, and the pressure sensor is effectively protected; the guide device is arranged, the pressure sensor is only subjected to pressure in the vertical direction, and the pressure sensor is protected against damage; the detection result is effectively ensured, and the detection precision and the detection quality are improved; and meanwhile, the displacement detection result is more accurate.

Description

TECHNICAL FIELD

[0001] The utility model relates to the special pressure head field of torsion shaft detection equipment, especially point to a kind of special pressure head and torsion shaft detection equipment for torsion shaft detection equipment. BACKGROUND

[0002] Torsion axle vehicle bridge is important component part of towed house car and trailer, and the stability of its torsion performance is directly related to the overall performance and safety of towed house car and trailer;Most of the traditional torsion shaft detection methods adopt manual detection, and use general tensile testing machine to detect, which is not only inefficient, but also the detection result is easily affected by human factors;With the development of automation technology, some detection equipment appears on the market, but there are still many deficiencies in the design and use of pressure head of these equipment, such as complex structure, low precision, uneven acceptance, easy to damage, etc., which cannot meet the high-precision and high-efficiency torsion shaft detection requirements. SUMMARY

[0003] The utility model provides a kind of special pressure head for torsion shaft detection equipment, by being provided with guiding device on sliding seat, it provides the accommodation space for pressure sensor, effectively protects pressure sensor;During working process, when pressing block contacts workpiece, servo cylinder continues to work to drive upper connecting plate to move down at this time, until contact with pressure sensor, start pressure detection work, and continue to drive upper connecting plate to move down, until detection ends, the whole process will not cause violent impact to pressure sensor, effectively protects pressure sensor;At the same time, since guiding device is set, pressure sensor is only subjected to the pressure in up-down direction, will not be subjected to force in other directions, further protect pressure sensor from being damaged;Further effectively guarantee detection result, improve detection precision and detection quality;Simultaneously, when upper connecting plate contacts pressure sensor to start, displacement detection is carried out, and detection result is more accurate.

[0004] The technical scheme of the utility model is realized as follows:

[0005] A kind of special pressure head for torsion shaft detection equipment, is installed on torsion shaft detection equipment, and the torsion shaft detection equipment includes driving mechanism;

[0006] Including sliding seat, upper connecting plate, guiding device, pressure sensor and pressing block;

[0007] The sliding seat is slidably installed on the detection equipment;

[0008] The guiding device is installed on the sliding seat;

[0009] The upper connecting plate is installed on the guiding device, and the upper connecting plate is connected with the driving mechanism;

[0010] The upper connecting plate and the sliding base form a pressure sensor installation chamber, and the pressure sensor is installed in the pressure sensor installation chamber;

[0011] The pressure sensor instrument is installed on the torsion shaft detection device, and the pressure sensor instrument is connected with the pressure sensor;

[0012] The pressing block is installed at the bottom of the sliding base.

[0013] Further, the bottom of the upper connecting plate is provided with an upper backing plate;

[0014] The sliding base is provided with a lower fixed plate;

[0015] The pressure sensor is installed on the lower fixed plate.

[0016] Further, the bottom of the sliding base is provided with a pressing block transition plate, and the pressing block is installed on the pressing block transition plate.

[0017] Further, the sliding base is a T-shaped sliding base.

[0018] Further, the guide device comprises a first guide rod and a second guide rod, the first guide rod and the second guide rod are symmetrically installed on the T-shaped sliding base, the upper connecting plate is simultaneously slidably installed on the first guide rod and the second guide rod, and the top end of the first guide rod and the second guide rod is provided with a pull plate.

[0019] Alternatively, the guide device is a linear bearing, the linear bearing is installed on the T-shaped sliding base, and the upper connecting plate is slidably installed on the linear bearing.

[0020] Further, the pressing block is a V-shaped pressing block.

[0021] A torsion shaft detection device comprises a base and a detection mechanism, the detection mechanism is installed on the base;

[0022] The detection mechanism comprises a displacement sensor, a driving mechanism and the special pressure head;

[0023] The displacement sensor is installed on the base;

[0024] The driving mechanism is installed at the top of the base;

[0025] The special pressure head is slidably installed on the side surface of the base;

[0026] The upper connecting plate at the top end of the special pressure head is connected with the driving mechanism.

[0027] Further, the base comprises a bottom plate and a stand, the stand is installed on the bottom plate;

[0028] The displacement sensor is mounted on the side of the column;

[0029] The top of the column is provided with an electric cylinder support table, and the driving mechanism is mounted on the electric cylinder support table;

[0030] The side of the column is provided with a slide rail, and the T-shaped slide block is in sliding connection with the slide rail;

[0031] The pressure sensor instrument is mounted on the electric cylinder support table.

[0032] Further, the driving mechanism is one of a servo electric cylinder or a hydraulic cylinder.

[0033] Still further, the slide rail is a double linear slide rail.

[0034] The utility model discloses a guiding device is set up on the slide block for pressure sensor provides the containing space, and effectively protects pressure sensor, in the working process, when the workpiece is contacted after the pressing block, servo electric cylinder continues to work and drives the lower movement of upper connecting plate, until the contact with pressure sensor, starts pressure detection work, and continues to drive the lower movement of upper connecting plate, until the detection ends, the whole process will not cause the violent impact to pressure sensor, effectively protects pressure sensor, simultaneously because of setting up guiding device, pressure sensor only receives the pressure of up and down direction, will not receive the force of other directions, further protects pressure sensor and is not damaged, further effectively guarantees the detection result, improves detection precision and detection quality, simultaneously when upper connecting plate contacts pressure sensor and starts, carries out displacement detection, and the detection result is more accurate. BRIEF DESCRIPTION OF DRAWINGS

[0035] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, below will to the embodiment or prior art description needed to use the drawing briefly introduce, obviously, below description in the drawing only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0036] Figure 1 It is a structure schematic view of a special pressure head for a torsion shaft detection device in the embodiment of the utility model;

[0037] Figure 2 It is a structure schematic view of a special pressure head for a torsion shaft detection device in the embodiment of the utility model; Figure 1 It is a structure schematic view of a special pressure head for a torsion shaft detection device in the embodiment of the utility model;

[0038] Figure 3 It is a structure schematic view of a special pressure head for a torsion shaft detection device in the embodiment of the utility model;

[0039] Base 1; bottom plate 11; stand column 12; electric cylinder support table 121; sliding rail 122; detection mechanism 2; displacement sensor 21; driving mechanism 22; special pressure head 3; sliding seat 31; lower fixed plate 311; upper connecting plate 32; upper pad plate 321; guiding device 33; first guiding rod 331; second guiding rod 332; pull plate 333; pressure sensor 34; pressure sensor installation chamber 341; pressing block 35; pressure sensor instrument 36. DETAILED DESCRIPTION

[0040] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0041] In the first embodiment of the utility model, see Figures 1-2 A special pressure head for a torsion shaft detection device is installed on the torsion shaft detection device, and the torsion shaft detection device comprises a driving mechanism 22.

[0042] The special pressure head 3 comprises a sliding seat 31, an upper connecting plate 32, a guiding device 33, a pressure sensor 34, a pressure sensor instrument 36 and a pressing block 35.

[0043] The sliding seat 31 is slidingly installed on the detection device, and during detection, the sliding seat 31 moves up and down along the stand column 12 under the driving of the driving mechanism 22, so as to ensure that the pressure sensor 34 on the upper part is uniformly stressed, ensure the detection precision of the pressure, ensure that the data reading of the displacement sensor 21 is uniform, and ensure the detection precision of the displacement.

[0044] The guiding device 33 is installed on the sliding seat 31.

[0045] The upper connecting plate 32 is installed on the guiding device 33, and the upper connecting plate 31 is connected with the driving mechanism 22.

[0046] Under the support of the guiding device 33, a pressure sensor installation chamber 341 is formed between the upper connecting plate 32 and the sliding seat 31, the pressure sensor 34 is installed in the pressure sensor installation chamber 341, the pressure sensor installation chamber 341 provides a containing space for the pressure sensor 34, can effectively protect the pressure sensor 34, ensure the monitoring precision and prolong the service life; after the pressure sensor 34 is configured, the pressure can be monitored in real time, and the pressure detection precision is higher.

[0047] The pressure sensor instrument 36 is installed on the torsion shaft detection device by a mounting plate and bolts, the pressure sensor instrument 36 is connected with the pressure sensor 34, and the pressure information read by the pressure sensor 36 is displayed on the pressure sensor instrument 36 in real time; the pressure sensor instrument 36 can display the force in real time, and reading is more convenient and fast;

[0048] The pressing block 35 is installed at the bottom of the sliding seat 31.

[0049] During work, the driving mechanism 22 drives the upper connecting plate 32 to move up and down, thereby driving the sliding seat 31 to slide up and down, and thereby driving the pressing block 35 to move up and down.

[0050] In the first embodiment of the utility model, as shown in Figures 1-2 , the upper connecting plate 32 is installed with an upper backing plate 321 at the bottom;

[0051] The sliding seat 31 is installed with a lower fixed plate 311;

[0052] The pressure sensor 34 is installed on the lower fixed plate 311;

[0053] When the pressing block 35 contacts the workpiece, the driving mechanism 22 continues to work, drives the upper connecting plate 32 to move downwards, thereby driving the upper backing plate 321 to move downwards, until the upper backing plate 321 contacts the pressure sensor 34, starts to apply pressure to the workpiece, and the pressure sensor 34 records the applied pressure in real time.

[0054] In the first embodiment of the utility model, as shown in Figures 1-2 , the sliding seat 31 is installed with a pressing block transition plate 312 at the bottom, and the pressing block 35 is installed on the pressing block transition plate 312.

[0055] In the first embodiment of the utility model, as shown in Figures 1-2 , the sliding seat 31 is a T-shaped sliding seat, the T-shaped sliding seat realizes the sliding connection of the side surface with the following column, and simultaneously provides an installation platform for the pressing block 35, the pressure sensor 34 and the like, and has stable structure and high function configuration.

[0056] In the first embodiment of the utility model, as shown in Figures 1-2 , the guide device 33 comprises a first guide rod 331 and a second guide rod 332, the first guide rod 331 and the second guide rod 332 are symmetrically installed on the T-shaped sliding seat, the upper connecting plate 32 is simultaneously slidably installed on the first guide rod 331 and the second guide rod 332, and the first guide rod 331 and the second guide rod 332 are provided with a pull plate 333 at the top.

[0057] Or, the guide device is a linear bearing, the linear bearing is installed on the T-shaped sliding seat, and the upper connecting plate is slidably installed on the linear bearing.

[0058] The first guide rod 331 and the second guide rod 332 or the linear bearing can all provide a containing space for the pressure sensor, protect the pressure sensor 34 from being damaged, effectively ensure the monitoring accuracy of the pressure sensor 34, and effectively prolong the service life of the pressure sensor 34.

[0059] In the first embodiment of the utility model, see Figures 1-2 , the pressing block 35 is a V-shaped pressing block;

[0060] The V-shaped pressing block can better center the detected part, better positioning, the material is selected from copper, the workpiece can be protected from being pressed, and nylon material can also be selected to ensure that the workpiece is not damaged.

[0061] In the second embodiment of the utility model, see Figures 1-3 A torsion shaft detection device, comprising a base 1 and a detection mechanism 2, the detection mechanism 2 is installed on the base 1;

[0062] The detection mechanism 2 comprises a displacement sensor 21, a driving mechanism 22 and the special pressure head 3;

[0063] The displacement sensor 21 is installed on the base 1, the displacement sensor 21 monitors the displacement of the sliding seat 31 in real time, the displacement calculation is more accurate, and the detection accuracy is ensured;

[0064] The driving mechanism 22 is installed on the top of the base 1;

[0065] The special pressure head 3 is slidably installed on the side surface of the base 1;

[0066] The upper connecting plate 32 at the top of the special pressure head 3 is connected with the driving mechanism 22.

[0067] In the second embodiment of the utility model, see Figures 1-3 , the base 1 comprises a bottom plate 11 and a stand column 12, the stand column 12 is installed on the bottom plate 11;

[0068] The displacement sensor 21 is installed on the side surface of the stand column 12;

[0069] The stand column 12 is provided with an electric cylinder support table 121 on the top, the electric cylinder support table 121 is welded on the top of the stand column 12, the driving mechanism 22 is bolted on the electric cylinder support table 121, and the output shaft of the driving mechanism 22 faces downward;

[0070] The slide rail 122 is arranged on the side of the column 12, and the slide base 31 is slidably connected with the slide rail 122.

[0071] The pressure sensor instrument 36 is installed on the electric cylinder support table 121.

[0072] The column 12 and the electric cylinder support table 121 are made of high-strength steel plates and are welded, and have simple structure and good stability.

[0073] In the second embodiment of the utility model, the driving mechanism 22 is one of a servo electric cylinder and a hydraulic cylinder. Figures 1-3

[0074] The servo electric cylinder can calculate the size and position of force in real time.

[0075] In the second embodiment of the utility model, the slide rail 122 is a double linear slide rail. Figures 1-3

[0076] Work flow:

[0077] The output shaft of the servo electric cylinder goes down, drives the T-shaped slide base to move downward along the column, when the pressing block contacts with the workpiece, the upper connecting plate continues to move downward along the guide device, until the pressure sensor is contacted, drives the special pressing head to continue to move downward along the linear slide rail, until the detection is finished.

[0078] In the above process, the starting point of displacement calculation and the initial pressure of the pressure sensor detection are combined, when the pressure sensor is 5 Kg, the displacement sensor starts to count, when the maximum force required by the product is reached, the displacement measurement is finished, the displacement amount is calculated, so that the displacement and pressure calculation are more accurate.

[0079] The device of the application also has the following advantages:

[0080] 1. The column adopts a double linear slide rail, ensures rigidity, and improves the overall stability during the detection process of the device.

[0081] 2. The guide device with the first guide column and the second guide column provides a containing space for the pressure sensor, when pulling the plate, the pressure sensor is not stressed, effectively protecting the pressure sensor.

[0082] 3. The pressure sensor is installed on the T-shaped slide base, ensuring that the pressure sensor is only stressed upward and downward, and other direction forces are borne by the double linear column.

[0083] 4. The pressure sensor is used in cooperation with the displacement sensor, and the detection result is more accurate.

[0084] ​​The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A special pressure head for a torque shaft detection device, installed on a torque shaft detection device, the torque shaft detection device comprising a driving mechanism; the special pressure head comprising a sliding base, an upper connecting plate, a guide device, a pressure sensor, a pressure sensor instrument and a pressure block; the sliding base being slidingly installed on the detection device; the guide device being installed on the sliding base; the upper connecting plate being installed on the guide device, the upper connecting plate being connected with the driving mechanism; a pressure sensor installation chamber being formed between the upper connecting plate and the sliding base, the pressure sensor being installed in the pressure sensor installation chamber; the pressure sensor instrument being installed on the torque shaft detection device, the pressure sensor instrument being connected with the pressure sensor; the pressure block being installed at the bottom of the sliding base. characterized in that An upper backing plate is installed at the bottom of the upper connecting plate; a lower fixed plate is installed on the sliding base; the pressure sensor is installed on the lower fixed plate. A pressure block transition plate is installed at the bottom of the sliding base, the pressure block being installed on the pressure block transition plate. The sliding base is a T-shaped sliding base. The guide device comprises a first guide rod and a second guide rod, the first guide rod and the second guide rod being symmetrically installed on the T-shaped sliding base, the upper connecting plate being slidingly installed on the first guide rod and the second guide rod at the same time, a pull plate being arranged at the top end of the first guide rod and the second guide rod; alternatively, the guide device is a linear bearing, the linear bearing being installed on the T-shaped sliding base, the upper connecting plate being slidingly installed on the linear bearing. The pressure block is a V-shaped pressure block. The detection device comprises a base and a detection mechanism, the detection mechanism being installed on the base; the detection mechanism comprising a displacement sensor, a driving mechanism and the special pressure head according to any one of claims 1-6; the displacement sensor being installed on the base; the driving mechanism being installed at the top of the base; the special pressure head being slidingly installed on the side of the base; the upper connecting plate at the top end of the special pressure head being connected with the driving mechanism. The base comprises a base plate and a stand, the stand being installed on the base plate; the displacement sensor being installed on the side of the stand; an electric cylinder support table being arranged at the top of the stand, the driving mechanism being installed on the electric cylinder support table; a slide rail being arranged on the side of the stand, the T-shaped sliding base being slidingly connected with the slide rail; the pressure sensor instrument being installed on the electric cylinder support table.

2. A special indenter for a torsion shaft testing apparatus as claimed in claim 1, characterized in that: The driving mechanism is one of a servo electric cylinder or a hydraulic cylinder; the slide rail is a double linear slide rail. The driving mechanism is one of a servo electric cylinder or a hydraulic cylinder; the slide rail is a double linear slide rail. ​ 3. A specialized indenter for a torsion shaft inspection apparatus as defined in claim 1, characterized in that: ​ 4. A specialized indenter for a torsion shaft inspection apparatus as defined in claim 1, characterized in that: ​ 5. A special indenter for a torsion shaft testing apparatus as defined in claim 4, characterized in that: ​ ​ 6. A specialized indenter for a torsion shaft inspection apparatus as defined in claim 1, characterized by: ​ 7. A torque shaft detection apparatus characterized by: ​ ​ ​ ​ ​ ​ 8. The torque shaft detection apparatus of claim 7, wherein: ​ ​ ​ ​ ​ 9. The torque shaft detection apparatus of claim 7, wherein: ​ 10. The torque shaft detection apparatus of claim 8, wherein: ​

Images