Loading mechanism capable of automatically adjusting pressure

Abstract

The invention belongs to the technical field of automatic equipment manufacturing, and particularly relates to a loading mechanism capable of automatically adjusting pressure, which comprises a driven gear conduction shaft assembly, a half axle gear conduction shaft assembly and a loading mechanism unit, and is characterized in that the driven gear conduction shaft assembly and the half axle gear conduction shaft assembly are fixed on a lifting sliding table of detection equipment; the pressure sensor is used for transmitting and feeding back pressure of the loading mechanism, and the loading mechanism is used for supporting the differential mechanism and applying pressure to the differential mechanism. According to the invention, the actual pressure output direction and the jacking direction are coaxial, so that the differential is uniformly and stably stressed, and the measurement precision is not influenced by obvious deformation; the pressure value can be changed at any time within the required range, convenience and rapidness are achieved, the precision of the actual output pressure can be ensured, and basis is provided.

Description

Technical Field

[0001] The invention belongs to the technical field of automated equipment manufacturing, and in particular relates to a loading mechanism capable of automatically adjusting pressure. Background Art

[0002] At present, during the measurement process of the electric drive differential clearance measurement equipment, a certain force needs to be applied to the end face of the tapered roller bearing to simulate the state during actual use. The current way of applying force is generally to use a counterweight block. In this way, firstly, all the pressure will be concentrated on the fixed point on the outer edge of the differential housing, which may easily cause deformation of the outer edge of the housing and affect the measurement accuracy. Secondly, the counterweight block is relatively bulky, and it is inconvenient to adjust the pressure. In addition, the value is not accurate, which will also affect the measurement accuracy. Summary of the invention

[0003] In order to effectively solve the problems in the above-mentioned background technology, the present invention proposes a loading mechanism with automatic pressure adjustment.

[0004] The specific technical solutions are as follows:

[0005] A loading mechanism with automatic pressure adjustment includes a driven gear transmission shaft assembly, a half-axle gear transmission shaft assembly and a loading mechanism unit. The driven gear transmission shaft assembly and the half-axle gear transmission shaft assembly are fixed on a lifting slide of a detection device and are used to transmit and feedback the pressure of the loading mechanism. The loading mechanism is used to support a differential and apply pressure to it.

[0006] Preferably, the driven gear transmission shaft assembly consists of a first pressure head, a first guide shaft connecting plate, a first guide shaft, a first linear bearing, a second linear bearing, a first linear bearing seat, a second guide shaft connecting plate, a first pressure sensor mounting plate, a first pressure sensor and a first pressure plate; wherein, the first linear bearing seat is fixed on the lifting slide of the detection equipment, the first linear bearing seat is equipped with the first linear bearing and the second linear bearing, the first guide shaft moves up and down through the linear bearing, and a flat key is used as a limiting guide between the first guide shaft and the first linear bearing seat to prevent the first pressure head from rotating; the first pressure head, the first guide shaft connecting plate, the first guide shaft, the second guide shaft connecting plate, the first pressure sensor mounting plate, the first pressure sensor and the first pressure plate are respectively connected and fixed together.

[0007] Preferably, the half-axle gear transmission shaft assembly consists of a second pressure head, a third guide shaft connecting plate, a second guide shaft, a third guide shaft, a second linear bearing seat, a third linear bearing seat, a third linear bearing, a fourth linear bearing, a fifth linear bearing, a sixth linear bearing, a fourth guide shaft connecting plate, a second pressure sensor mounting plate, a second pressure sensor and a second pressure plate; wherein, the second linear bearing seat and the third linear bearing seat are fixed on the lifting slide of the detection equipment, and the second linear bearing seat and the third linear bearing seat are respectively equipped with the third linear bearing, the fourth linear bearing, the fifth linear bearing and the sixth linear bearing, and the second guide shaft and the third guide shaft move up and down through the linear bearings; the second pressure head, the third guide shaft connecting plate, the second guide shaft, the third guide shaft, the fourth guide shaft connecting plate, the second pressure sensor mounting plate, the second pressure sensor and the second pressure plate are respectively connected and fixed together.

[0008] Preferably, the loading mechanism unit is composed of a loading mechanism unit base assembly, a loading mechanism unit horizontal movement assembly, a loading mechanism unit C-type clamp assembly and a loading mechanism unit driven gear shaft locking assembly.

[0009] Preferably, the loading mechanism unit base assembly consists of a base support, a base substrate, a first linear slide rail, a second linear slide rail, a first cylinder and a drag chain; the base substrate is fixed to the base support, and the first linear slide rail, the second linear slide rail, the first cylinder and the drag chain are respectively installed on the base substrate.

[0010] Preferably, the horizontal moving assembly of the loading mechanism unit is composed of a horizontal moving base plate, a vertical slide rail seat, a second cylinder, a second cylinder joint, a third cylinder, a third cylinder joint, a first cylinder connecting piece and a drag chain bracket; the second cylinder, the third cylinder, the first cylinder connecting piece and the drag chain bracket are respectively installed on the horizontal moving base plate, the third cylinder joint is installed on the third cylinder, and the second cylinder joint is installed on the second cylinder; the horizontal moving base plate of the horizontal moving assembly of the loading mechanism unit is connected to the first linear slide rail and the second linear slide rail, and fixed to the base assembly of the loading mechanism unit, the first cylinder connecting piece is connected to the first cylinder, and the first cylinder drives the horizontal moving assembly of the loading mechanism unit to move horizontally.

[0011] Preferably, the loading mechanism unit C-type clamp assembly consists of a C-type clamp, a third linear slide, a fourth linear slide, a third cylinder connector, a second cylinder connector, a first jack support, a first jack support connecting plate, a fourth cylinder, a fifth cylinder, a third pressure head, a fourth pressure head, a first electrical proportional valve, a second electrical proportional valve and an electrical proportional valve mounting block; the third linear slide, the fourth linear slide and the second cylinder connector are respectively mounted on one side of the C-type clamp, the third cylinder connector and the first jack support connecting plate are respectively fixed on the side of the C-type clamp, the first jack support is fixed on the first jack support connecting plate, the fourth cylinder, the fifth cylinder and the electrical proportional valve mounting block are respectively mounted on the top of the C-type clamp, the third pressure head is mounted on the fourth cylinder, the fourth pressure head is mounted on the fifth cylinder, and the first electrical proportional valve and the second electrical proportional valve are symmetrically arranged and mounted on the electrical proportional valve mounting block;

[0012] The third linear slide rail and the fourth linear slide rail of the C-type clamp assembly of the loading mechanism unit are fixed to the vertical slide rail stand of the horizontal moving assembly of the loading mechanism unit, the third cylinder joint is connected to the third cylinder connecting piece, the second cylinder joint is connected to the second cylinder connecting piece, the second cylinder and the third cylinder are actuated at the same time, driving the C-type clamp assembly of the loading mechanism unit to move in the vertical direction.

[0013] Preferably, the loading mechanism unit driven gear shaft in place locking assembly is composed of a locking unit fixing plate, a locking unit, a locking optical axis, a connecting plate, a second jacking support, a cylinder fixing plate, a sixth cylinder and a third cylinder connecting piece; the locking unit is fixed to the locking unit fixing plate, the locking optical axis passes through the locking unit and is connected to the connecting plate, the cylinder fixing plate is fixed to the side of the locking unit, the sixth cylinder is installed on the cylinder fixing plate, the third cylinder connecting piece is installed on the cylinder rod of the sixth cylinder and is connected to the connecting plate, and the second jacking support is fixed to the connecting plate;

[0014] The driven gear shaft of the loading mechanism unit is in place, and the locking unit fixing plate of the locking assembly is connected and fixed to the C-type clamp of the C-type clamp assembly of the loading mechanism unit.

[0015] The beneficial effects of the present invention are as follows: the actual output pressure direction and the jacking direction are on the same axis, so that the differential itself is subjected to uniform and stable force without obvious deformation to affect the measurement accuracy; the pressure value can be changed at any time within the required range, which is convenient and quick, and can also ensure the accuracy of the actual output pressure, with a basis to follow. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0017] Figure 2 It is a partial structural schematic diagram of the driven gear transmission shaft assembly of the present invention;

[0018] Figure 3It is a partial structural schematic diagram of the half-shaft gear transmission shaft assembly of the present invention;

[0019] Figure 4 It is a schematic axial view of the loading mechanism unit of the present invention;

[0020] Figure 5 is a schematic diagram of a loading mechanism unit base assembly of the present invention;

[0021] Figure 6 It is a schematic diagram of a horizontal moving assembly of a loading mechanism unit of the present invention;

[0022] Figure 7 It is a schematic diagram of a C-type clamp assembly of a loading mechanism unit of the present invention;

[0023] Figure 8 It is a schematic diagram of the locking assembly of the driven gear shaft of the loading mechanism unit of the present invention;

[0024] Fig. 9 It is a schematic diagram of the differential structure;

[0025] In the figure:

[0026] 1. Lifting slide of testing equipment;

[0027] 2. Driven gear transmission shaft assembly; 2.1. First pressure head; 2.2. First guide shaft connecting plate;

[0028] 2.3, first guide shaft; 2.4, first linear bearing; 2.5, second linear bearing; 2.6, first linear bearing seat; 2.7, second guide shaft connecting plate; 2.8, first pressure sensor mounting plate; 2.9, first pressure sensor; 2.10, first pressure plate;

[0029] 3. Axle gear transmission shaft assembly; 3.1. Second pressure head; 3.2. Third guide shaft connecting plate;

[0030] 3.3, second guide shaft; 3.4, third guide shaft; 3.5, second linear bearing seat; 3.6, third linear bearing seat; 3.7, third linear bearing; 3.8, fourth linear bearing; 3.9, fifth linear bearing; 3.10, sixth linear bearing; 3.11, fourth guide shaft connecting plate; 3.12, second pressure sensor mounting plate; 3.13, second pressure sensor; 3.14, second pressure plate;

[0031] 4. Loading mechanism unit; 4.1. Loading mechanism unit base assembly; 4.1.1. Base support;

[0032] 4.1.2, base substrate; 4.1.3, first linear guide rail; 4.1.4, second linear guide rail; 4.1.5, first cylinder; 4.1.6 drag chain;

[0033] 4.2, horizontal moving assembly of loading mechanism unit; 4.2.1, horizontal moving base plate; 4.2.2, vertical slide rail stand; 4.2.3, second cylinder; 4.2.4, second cylinder joint; 4.2.5, third cylinder; 4.2.6, third cylinder joint; 4.2.7, first cylinder connector; 4.2.8, drag chain bracket;

[0034] 4.3, C-type clamp assembly of loading mechanism unit; 4.3.1, C-type clamp; 4.3.2, third linear slide; 4.3.3, fourth linear slide; 4.3.4, third cylinder connecting piece; 4.3.5, second cylinder connecting piece; 4.3.6, first jacking support; 4.3.7, first jacking support connecting plate; 4.3.8, fourth cylinder; 4.3.9, fifth cylinder; 4.3.10, third pressure head; 4.3.11, fourth pressure head; 4.3.12, first electrical proportional valve; 4.3.13, second electrical proportional valve; 4.3.14, electrical proportional valve mounting block;

[0035] 4.4, Loading mechanism unit driven gear shaft in place locking assembly; 4.4.1, Locking unit fixing plate; 4.4.2, Locking unit; 4.4.3, Locking optical axis; 4.4.4, Connecting plate; 4.4.5, Second jacking support; 4.4.6, Cylinder fixing plate; 4.4.7, Sixth cylinder; 4.4.8 Third cylinder connecting piece;

[0036] 5.1, Axle shaft gear shaft bearing; 5.2, Driven gear shaft bearing; 5.3, Differential housing. DETAILED DESCRIPTION

[0037] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used herein to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" may include both "above" and "below". The device may also be positioned in other different ways, rotated 90 degrees or in other orientations, and the spatially relative descriptions used herein are interpreted accordingly.

[0038] The specific implementation of the present invention is described in detail below with reference to the accompanying drawings and preferred embodiments.

[0039] See also Figure 1A loading mechanism with automatic pressure adjustment includes a driven gear transmission shaft assembly 2, a half-shaft gear transmission shaft assembly 3, and a loading mechanism unit 4. The driven gear transmission shaft assembly and the half-shaft gear transmission shaft assembly are fixed on a lifting slide 1 of a detection device, and are used to transmit and feedback the pressure of the loading mechanism. The loading mechanism is used to support the differential and apply pressure to it.

[0040] The overall structure of the driven gear transmission shaft assembly 2 is shown in Figure 2 The driven gear transmission shaft assembly 2 is composed of a first pressure head 2.1, a first guide shaft connecting plate 2.2, a first guide shaft 2.3, a first linear bearing 2.4, a second linear bearing 2.5, a first linear bearing seat 2.6, a second guide shaft connecting plate 2.7, a first pressure sensor mounting plate 2.8, a first pressure sensor 2.9, and a first pressure plate 2.10; wherein the first linear bearing seat 2.6 is fixed on the lifting slide 1 of the detection equipment, see Figure 1 The first linear bearing seat 2.6 is internally provided with the first linear bearing 2.4 and the second linear bearing 2.5. The first guide shaft 2.3 can be moved up and down by the linear bearing. A flat key is used as a limit guide between the first guide shaft 2.3 and the first linear bearing seat 2.6 to prevent the first pressure head 2.1 from rotating; the first pressure head 2.1, the first guide shaft connecting plate 2.2, the first guide shaft 2.3, the second guide shaft connecting plate 2.7, the first pressure sensor mounting plate 2.8, the first pressure sensor 2.9, and the first pressure plate 2.10 are respectively connected and fixed together. When the first pressure plate 2.10 is subjected to pressure, the force will be transmitted to the first pressure sensor 2.9 and the first pressure head 2.1 in sequence, and the first pressure head 2.1 will then transmit the force to the end face of the bearing of the driven gear shaft of the differential.

[0041] The overall structure of the side gear transmission shaft assembly 3 is shown in Figure 3 The half-shaft gear transmission shaft assembly 3 is composed of a second pressure head 3.1, a third guide shaft connecting plate 3.2, a second guide shaft 3.3, a third guide shaft 3.4, a second linear bearing seat 3.5, a third linear bearing seat 3.6, a third linear bearing 3.7, a fourth linear bearing 3.8, a fifth linear bearing 3.9, a sixth linear bearing 3.10, a fourth guide shaft connecting plate 3.11, a second pressure sensor mounting plate 3.12, a second pressure sensor 3.13, and a second pressure plate 3.14; wherein the second linear bearing seat 3.5 and the third linear bearing seat 3.6 are fixed on the lifting slide 1 of the detection equipment, see Figure 1The second linear bearing seat 3.5 and the third linear bearing seat 3.6 are respectively equipped with a third linear bearing 3.7, a fourth linear bearing 3.8, a fifth linear bearing 3.9 and a sixth linear bearing 3.10, and the second guide shaft 3.3 and the third guide shaft 3.4 can move up and down through the linear bearings; the second pressure head 3.1, the third guide shaft connecting plate 3.2, the second guide shaft 3.3, the third guide shaft 3.4, the fourth guide shaft connecting plate 3.11, the second pressure sensor mounting plate 3.12, the second pressure sensor 3.13 and the second pressure plate 3.14 are respectively connected and fixed together. When the second pressure plate 3.14 is subjected to pressure, the force will be transmitted to the second pressure sensor mounting plate 3.12 and the second pressure head 3.1 in turn, and the second pressure head 3.1 will then transmit the force to the end face of the differential half-shaft gear shaft bearing.

[0042] The overall structure of the loading mechanism unit 4 is shown in Figure 4 It consists of a loading mechanism unit base assembly 4.1, a loading mechanism unit horizontal movement assembly 4.2, a loading mechanism unit C-type clamp assembly 4.3, and a loading mechanism unit driven gear shaft locking assembly 4.4.

[0043] The overall structure of the loading mechanism unit base assembly 4.1 is detailed in Figure 5 , consisting of a base support 4.1.1, a base substrate 4.1.2, a first linear slide 4.1.3, a second linear slide 4.1.4, a first cylinder 4.1.5, and a drag chain 4.1.6; the base substrate 4.1.2 is fixed to the base support 4.1.1. To ensure strength, reinforcing ribs are affixed to the main welds of the base support 4.1.1. The first linear slide 4.1.3, the second linear slide 4.1.4, the first cylinder 4.1.5, and the drag chain 4.1.6 are respectively installed on the base substrate 4.1.2, and each installation surface is milled to ensure installation accuracy.

[0044] The overall structure of the loading mechanism unit horizontal moving assembly 4.2 is detailed in Figure 6 , consisting of a horizontally movable base plate 4.2.1, a vertical slide rail seat 4.2.2, a second cylinder 4.2.3, a second cylinder joint 4.2.4, a third cylinder 4.2.5, a third cylinder joint 4.2.6, a first cylinder connecting piece 4.2.7, and a drag chain bracket 4.2.8; the second cylinder 4.2.3, the third cylinder 4.2.5, the first cylinder connecting piece 4.2.7, and the drag chain bracket 4.2.8 are respectively installed on the horizontally movable base plate 4.2.1, the third cylinder joint 4.2.6 is installed on the third cylinder 4.2.5, and the second cylinder joint 4.2.4 is installed on the second cylinder 4.2.3.

[0045] The overall structure of the loading mechanism unit C-type clamp assembly 4.3 is detailed in Figure 7, consisting of a C-type clamp 4.3.1, a third linear guide rail 4.3.2, a fourth linear guide rail 4.3.3, a third cylinder connector 4.3.4, a second cylinder connector 4.3.5, a first jack 4.3.6, a first jack connector plate 4.3.7, a fourth cylinder 4.3.8, a fifth cylinder 4.3.9, a third pressure head 4.3.10, a fourth pressure head 4.3.11, a first electrical proportional valve 4.3.12, a second electrical proportional valve 4.3.13, and an electrical proportional valve mounting block 4.3.14; the third linear guide rail 4.3.2, the fourth linear guide rail 4.3.3, and the second cylinder connector 4.3.5 are respectively mounted on one side of the C-type clamp 4.3.1, and the mounting surface has been milled to ensure the mounting accuracy, and the third cylinder connector 4.3.4 and the first jack The connecting plates 4.3.7 are fixed on the sides of the C-type clamp 4.3.1, the first top support 4.3.6 is fixed on the first top support connecting plate 4.3.7, the fourth cylinder 4.3.8, the fifth cylinder 4.3.9 and the electric proportional valve mounting block 4.3.14 are respectively mounted on the top of the C-type clamp 4.3.1, the third pressure head 4.3.10 is mounted on the fourth cylinder 4.3.8, the fourth pressure head 4.3.11 is mounted on the fifth cylinder 4.3.9, the third pressure head 4.3.10, the fourth pressure head 4.3.11 and the first top support 4.3.6 are made of 45# steel, which is quenched to increase its strength and wear resistance, and the first electric proportional valve 4.3.12 and the second electric proportional valve 4.3.13 are symmetrically arranged and mounted on the electric proportional valve mounting block 4.3.14.

[0046] The loading mechanism unit driven gear shaft is locked in place assembly 4.4 overall structure details see Figure 8 , which consists of a locking unit fixing plate 4.4.1, a locking unit 4.4.2, a locking optical axis 4.4.3, a connecting plate 4.4.4, a second jack 4.4.5, a cylinder fixing plate 4.4.6, a sixth cylinder 4.4.7, and a third cylinder connecting piece 4.4.8; the locking unit 4.4.2 is fixed to the locking unit fixing plate 4.4.1, and the locking optical axis 4.4.3 passes through the locking unit 4.4.2 and is connected to the connecting plate 4 .4.4 connection, the cylinder fixing plate 4.4.6 is fixed to the side of the locking unit 4.4.2, the sixth cylinder 4.4.7 is installed on the cylinder fixing plate 4.4.6, the third cylinder connecting piece 4.4.8 is installed on the cylinder rod of the sixth cylinder 4.4.7 and connected to the connecting plate 4.4.4, the second top support 4.4.5 is fixed to the connecting plate 4.4.4, and its material is 45 steel, which is quenched to increase its strength and wear resistance.

[0047] The horizontal moving base plate 4.2.1 of the horizontal moving assembly 4.2 of the loading mechanism unit is connected to the first linear slide rail 4.1.3 and the second linear slide rail 4.1.4, and is fixed to the loading mechanism unit base assembly 4.1. In order to ensure the accuracy, the mounting surface is milled with a processing surface and a positioning groove. The first cylinder connecting piece 4.2.7 is connected to the first cylinder 4.1.5. The first cylinder 4.1.5 can drive the horizontal moving assembly 4.2 of the loading mechanism unit to move horizontally. The third linear slide rail 4.3.2 and the fourth linear slide rail 4.3.3 of the C-clamp assembly 4.3 of the loading mechanism unit are fixed to the horizontal moving assembly 4.1 of the loading mechanism unit. On the vertical slide rail stand 4.2.2 of the assembly 4.2, in order to ensure accuracy, a processing surface and a positioning groove are milled on the mounting surface, the third cylinder joint 4.2.6 is connected to the third cylinder connecting piece 4.3.4, the second cylinder joint 4.2.4 is connected to the second cylinder connecting piece 4.3.5, the second cylinder 4.2.3 and the third cylinder 4.2.5 act at the same time, which can drive the loading mechanism unit C-type clamp assembly 4.3 to move in the vertical direction, and the loading mechanism unit driven gear shaft is in place, and the locking unit fixing plate 4.4.1 of the locking assembly 4.4 is connected and fixed to the C-type clamp 4.3.1 of the loading mechanism unit C-type clamp assembly 4.3.

[0048] The working principle of the present invention is as follows: first, we need to input the theoretical pressure value required for measuring the bearings of the differential half-shaft gear shaft and the driven gear shaft in the PLC interface of the equipment. After the lifting slide of the equipment to be tested clamps the differential and rises to the position, the first cylinder 4.1.5 is actuated to drive the horizontal moving assembly 4.2 of the loading mechanism unit to move forward to the position, the second cylinder 4.2.3 and the third cylinder 4.2.5 are actuated at the same time to drive the C-type clamp assembly 4.3 of the loading mechanism unit to rise to the position and hold the bottom of the housing corresponding to the half-shaft gear shaft of the differential, the sixth cylinder 4.4.7 is actuated to drive the second top support 4.4.5 to rise to the position and hold the bottom of the housing corresponding to the driven gear shaft of the differential, the locking unit 4.4.2 is actuated to lock the locking optical axis 4.4.3 so that the second top support 4.4.5 will not move downward when subjected to force. At this time, the bottoms of the housings of the half-shaft gear shaft and the driven gear shaft are both held, and the The fourth cylinder 4.3.8 and the fifth cylinder 4.3.9 act simultaneously, and push against the first pressure plate 2.10 and the second pressure plate 3.14 respectively. At this time, the first pressure sensor 2.9 and the second pressure sensor 3.13 will have corresponding pressure values ​​fed back to the PLC, and the program automatically compares this pressure value with the theoretical pressure value initially set in the PLC. The difference is then transmitted by the PLC to the first electrical proportional valve 4.3.12 and the second electrical proportional valve 4.3.13. The first electrical proportional valve 4.3.12 and the second electrical proportional valve 4.3.13 control the output pressure of the fourth cylinder 4.3.8 and the fifth cylinder 4.3.9 respectively through their own pressure regulation, so that their output pressures are consistent with the theoretical pressure values ​​initially set in the PLC. At this time, the pressure is transmitted to the driven gear shaft bearing 5.2 and the half-shaft gear shaft bearing 5.1 through the driven gear transmission shaft assembly 2 and the half-shaft gear transmission shaft assembly 3 respectively.

[0049] It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention, and these improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A loading mechanism with automatic pressure adjustment, characterized in that: It includes a driven gear transmission shaft assembly, a half-axle gear transmission shaft assembly and a loading mechanism unit. The driven gear transmission shaft assembly and the half-axle gear transmission shaft assembly are fixed on a lifting slide of the detection equipment and are used to transmit and feedback the pressure of the loading mechanism. The loading mechanism is used to support the differential and apply pressure to it.

2. The automatic pressure regulating loading mechanism according to claim 1, characterized in that: The driven gear transmission shaft assembly consists of a first pressure head, a first guide shaft connecting plate, a first guide shaft, a first linear bearing, a second linear bearing, a first linear bearing seat, a second guide shaft connecting plate, a first pressure sensor mounting plate, a first pressure sensor and a first pressure plate; wherein, the first linear bearing seat is fixed on the lifting slide of the detection equipment, the first linear bearing seat is equipped with the first linear bearing and the second linear bearing, the first guide shaft moves up and down through the linear bearing, and a flat key is used as a limit guide between the first guide shaft and the first linear bearing seat to prevent the first pressure head from rotating; the first pressure head, the first guide shaft connecting plate, the first guide shaft, the second guide shaft connecting plate, the first pressure sensor mounting plate, the first pressure sensor and the first pressure plate are respectively connected and fixed together.

3. The automatic pressure regulating loading mechanism according to claim 1, characterized in that: The half-axle gear transmission shaft assembly consists of a second pressure head, a third guide shaft connecting plate, a second guide shaft, a third guide shaft, a second linear bearing seat, a third linear bearing seat, a third linear bearing, a fourth linear bearing, a fifth linear bearing, a sixth linear bearing, a fourth guide shaft connecting plate, a second pressure sensor mounting plate, a second pressure sensor and a second pressure plate; wherein, the second linear bearing seat and the third linear bearing seat are fixed on the lifting slide of the detection equipment, and the second linear bearing seat and the third linear bearing seat are respectively equipped with the third linear bearing, the fourth linear bearing, the fifth linear bearing and the sixth linear bearing, and the second guide shaft and the third guide shaft move up and down through the linear bearings; the second pressure head, the third guide shaft connecting plate, the second guide shaft, the third guide shaft, the fourth guide shaft connecting plate, the second pressure sensor mounting plate, the second pressure sensor and the second pressure plate are respectively connected and fixed together.

4. The automatic pressure regulating loading mechanism according to claim 1, characterized in that: The loading mechanism unit is composed of a loading mechanism unit base assembly, a loading mechanism unit horizontal movement assembly, a loading mechanism unit C-type clamp assembly and a loading mechanism unit driven gear shaft locking assembly.

5. The automatic pressure regulating loading mechanism according to claim 4 is characterized in that: The loading mechanism unit base assembly consists of a base support, a base substrate, a first linear slide rail, a second linear slide rail, a first cylinder and a drag chain; the base substrate is fixed to the base support, and the first linear slide rail, the second linear slide rail, the first cylinder and the drag chain are respectively installed on the base substrate.

6. The automatic pressure regulating loading mechanism according to claim 4, characterized in that: The horizontal moving assembly of the loading mechanism unit is composed of a horizontal moving base plate, a vertical slide rail seat, a second cylinder, a second cylinder joint, a third cylinder, a third cylinder joint, a first cylinder connecting piece and a drag chain bracket; the second cylinder, the third cylinder, the first cylinder connecting piece and the drag chain bracket are respectively installed on the horizontal moving base plate, the third cylinder joint is installed on the third cylinder, and the second cylinder joint is installed on the second cylinder; the horizontal moving base plate of the horizontal moving assembly of the loading mechanism unit is connected to the first linear slide rail and the second linear slide rail, and is fixed to the base assembly of the loading mechanism unit, the first cylinder connecting piece is connected to the first cylinder, and the first cylinder drives the horizontal moving assembly of the loading mechanism unit to move horizontally.

7. The automatic pressure regulating loading mechanism according to claim 4, characterized in that: The loading mechanism unit C-type clamp assembly is composed of a C-type clamp, a third linear slide, a fourth linear slide, a third cylinder connecting piece, a second cylinder connecting piece, a first jacking support, a first jacking support connecting plate, a fourth cylinder, a fifth cylinder, a third pressure head, a fourth pressure head, a first electrical proportional valve, a second electrical proportional valve and an electrical proportional valve mounting block; the third linear slide, the fourth linear slide and the second cylinder connecting piece are respectively installed on one side of the C-type clamp, the third cylinder connecting piece and the first jacking support connecting plate are respectively fixed on the side of the C-type clamp, the first jacking support is fixed on the first jacking support connecting plate, the fourth cylinder, the fifth cylinder and the electrical proportional valve mounting block are respectively installed on the top of the C-type clamp, the third pressure head is installed on the fourth cylinder, the fourth pressure head is installed on the fifth cylinder, and the first electrical proportional valve and the second electrical proportional valve are symmetrically arranged and installed on the electrical proportional valve mounting block; The third linear slide rail and the fourth linear slide rail of the C-type clamp assembly of the loading mechanism unit are fixed to the vertical slide rail stand of the horizontal moving assembly of the loading mechanism unit, the third cylinder joint is connected to the third cylinder connecting piece, the second cylinder joint is connected to the second cylinder connecting piece, the second cylinder and the third cylinder are actuated at the same time, driving the C-type clamp assembly of the loading mechanism unit to move in the vertical direction.

8. The automatic pressure regulating loading mechanism according to claim 4, characterized in that: The loading mechanism unit driven gear shaft in place locking assembly is composed of a locking unit fixing plate, a locking unit, a locking optical axis, a connecting plate, a second jacking support, a cylinder fixing plate, a sixth cylinder and a third cylinder connecting piece; the locking unit is fixed to the locking unit fixing plate, the locking optical axis passes through the locking unit and is connected to the connecting plate, the cylinder fixing plate is fixed to the side of the locking unit, the sixth cylinder is installed on the cylinder fixing plate, the third cylinder connecting piece is installed on the cylinder rod of the sixth cylinder and is connected to the connecting plate, and the second jacking support is fixed to the connecting plate; The driven gear shaft of the loading mechanism unit is in place, and the locking unit fixing plate of the locking assembly is connected and fixed to the C-type clamp of the C-type clamp assembly of the loading mechanism unit.

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