Brake unit pressure and displacement test device

Abstract

The utility model relates to the technical field of brake unit detection equipment, in particular to a brake unit pressure and displacement test device, which comprises an action part, a fixed part and a U-shaped frame body, and is characterized in that the frame body is provided with a measuring mechanism capable of sliding left and right to prop against the brake unit and measuring pressure and displacement. An up-down pressing mechanism and a left-right pressing mechanism are arranged on one side of the measuring mechanism, the measuring mechanism comprises a propelling assembly, the end of the propelling assembly is connected with a force sensor fixing plate, a force sensor is arranged on the force sensor fixing plate, and a jacking block used for jacking an action part is arranged on one side of the force sensor. A displacement measuring assembly is arranged on one side of the frame body and the force sensor fixing plate, the device further comprises a testing computer terminal connected with the force sensor and the displacement measuring assembly, the pressure and displacement of the brake unit are measured at a time, and the testing result is accurate and reliable.

Description

TECHNICAL FIELD

[0001] The utility model relates to brake braking unit detection equipment technical field, concretely relates to a brake braking unit pressure, displacement testing device. BACKGROUND

[0002] In prior art, when tread brake braking unit carries out pressure, displacement performance test, needs manual pressure tightly, and efficiency is low, and displacement change needs manual marking brake braking unit action part's initial position and calculates simultaneously, obtains corresponding displacement change, no information output function, cannot to output result statistics report, since the marking measurement is influenced by subjective factor, therefore result exists error, is not accurate, and pressure test and displacement test need distribution to carry out, and test time is longer, and test efficiency is lower. UTILITARIAN CONTENT

[0003] In order to solve the problems in prior art, the utility model provides a brake braking unit pressure, displacement testing device to solve the problems of pressure test and displacement test, and low efficiency.

[0004] To solve the above problem, the technical scheme of the utility model is as follows: a brake braking unit pressure, displacement testing device, the brake braking unit includes action part, fixed part, includes the frame body of U type shape, is equipped with the measuring mechanism that can slide left and right and press against brake braking unit on frame body, measures pressure and displacement, is equipped with the left and right pressure mechanism on the side of measuring mechanism, the upper and lower pressure mechanism, the measuring mechanism includes the propulsion assembly, is connected with force sensor fixed plate on the end of propulsion assembly, is equipped with force sensor on force sensor fixed plate, is equipped with the tight block for pressing against action part on the side of force sensor, is equipped with displacement measuring assembly on the side of frame body and force sensor fixed plate, still include the test computer terminal connected with force sensor, displacement measuring assembly.

[0005] Further, the propulsion assembly is the pressure cylinder fixed on the frame body, the pressure cylinder is connected with force sensor fixed plate through propulsion guide rod, the bottom of force sensor fixed plate is connected with frame body through track sliding.

[0006] Further, the pressure cylinder is connected with hand-operated reversing valve.

[0007] Further, the propulsion assembly is hand wheel push rod.

[0008] Further, the upper and lower pressure mechanism includes the vertical rod fixed on the frame body, the vertical rod is connected with connecting rod, the connecting rod is rotatably connected with pressure rod, and the pressure rod is equipped with rotary handle, upper and lower pressure block on both ends.

[0009] Further, the left and right pressing mechanism comprises left and right fixed rods arranged on one side of the frame body, one end of the left and right fixed rods is connected with a rotating rod, and the left and right clamping assemblies are arranged below the fixed part.

[0010] Further, the left and right clamping assemblies comprise clamping cylinders hinged to the frame body, the output ends of the clamping cylinders are hinged with transmission rods, the transmission rods are hinged to the frame body, and the end portions of the transmission rods are connected with left and right clamping blocks.

[0011] Further, the displacement measuring assembly comprises a displacement sensor, a displacement sensor fixing plate for fixing the displacement sensor on the frame body and the force sensor fixing plate, and a displacement sensor mounting plate.

[0012] Further, height-adjustable backing plates are arranged on the bottom of the fixed part and the frame body, and safety anti-falling plates are arranged on both sides of the backing plates to prevent the brake braking unit from falling.

[0013] Further, a plurality of universal wheels are arranged on the bottom of the frame body.

[0014] Compared with the prior art, the utility model has the following beneficial effects: in the early preparation work, only the brake braking unit needs to be fixed manually, the work amount is small, manual participation is not needed in the test process, the pressure and displacement values can be measured in time by controlling the braking action of the side piece.

[0015] When the side piece is braked, the fixed position is not easy to shift, and the efficiency and reliability of the test are ensured.

[0016] The height-adjustable backing plates can be adjusted to the appropriate height in the center for different types of side pieces, and the centering and clamping are easy to complete, and the test is safe and reliable.

[0017] The anti-falling plates are installed, have the anti-falling function, prevent the side piece from falling, and exclude the safety hidden danger.

[0018] The pressure and displacement of the brake braking unit are measured at one time, and the test result is accurate and reliable. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is an appearance schematic view of the utility model;

[0020] Figure 2 It is an internal structure schematic view of the utility model;

[0021] Figure 3 It is a front view of the utility model;

[0022] Figure 4 It is a top view of the utility model.

[0023] In the diagram: 1 Brake unit, 101 Actuating part, 102 Fixing part, 2 Frame, 3 Force sensor fixing plate, 4 Force sensor, 5 Tightening block, 6 Displacement measurement assembly, 601 Displacement sensor, 602 Displacement sensor fixing plate, 603 Displacement sensor mounting plate, 7 Clamping cylinder, 8 Push guide rod, 9 Rail, 10 Manual reversing valve, 11 Handwheel push rod, 12 Upright pole, 13 Connecting rod, 14 Clamping rod, 15 Rotating handle, 16 Upper and lower clamping blocks, 17 Left and right fixing rods, 18 Rotating rod, 19 Clamping cylinder, 20 Transmission rod, 21 Left and right clamping blocks, 22 Pad, 23 Safety anti-fall plate, 24 Universal wheel, 25 Protective cover. Detailed Implementation

[0024] like Figures 1-4 As shown, a brake unit pressure and displacement testing device is disclosed. The brake unit 1 includes an actuating part 101 and a fixing part 102. The testing device includes a U-shaped frame 2 with several casters 24 at the bottom of the frame 1 and a protective cover 25 that can be installed on the outside of the frame 2. A measuring mechanism that can slide left and right to hold the brake unit 1 and measure pressure and displacement is provided on the frame 2. An upper and lower clamping mechanism and a left and right clamping mechanism are provided on one side of the measuring mechanism. The measuring mechanism includes a pushing component. A force sensor fixing plate 3 is connected to the end of the pushing component. A force sensor 4 is provided on the force sensor fixing plate 3. A clamping block 5 for holding the actuating part 101 is provided on one side of the force sensor 4. A displacement measuring component 6 is provided on one side of the frame 1 and the force sensor fixing plate 3. The device also includes a test computer terminal connected to the force sensor 4 and the displacement measuring component 6.

[0025] The propulsion component is a clamping cylinder 7 fixed on the frame 1. The clamping cylinder 7 is connected to the force sensor fixing plate 3 through the propulsion guide rod 8. The bottom of the force sensor fixing plate 3 is slidably connected to the frame 1 through the rail 9. The clamping cylinder 7 is connected to a manual reversing valve 10, which can manually control the left and right sliding of the propulsion guide rod 8.

[0026] The propulsion assembly can also be operated manually using a handwheel push rod 11.

[0027] The upper and lower clamping mechanism includes a vertical rod 12 fixed on the frame 1, a connecting rod 13 connected to the vertical rod 12, a clamping rod 14 rotatably connected to the connecting rod 13, and a rotating handle 15 and an upper and lower clamping block 16 at both ends of the clamping rod 14. When the rotating handle 15 is rotated, the upper and lower clamping blocks 16 move up and down to clamp the fixing part 102.

[0028] The left and right clamping mechanism includes left and right fixed rods 17 located on one side of the frame 1, with a rotating rod 18 connected to one end of the left and right fixed rods 17, and also includes left and right clamping components located below the fixed part 102.

[0029] The left and right clamping assembly comprises a clamping cylinder 19 hinged to the frame body 1, the output end of the clamping cylinder 19 is hinged with a transmission rod 20, the transmission rod 20 is hinged with the frame body 1, and the end of the transmission rod 20 is connected with a left and right clamping block 21.

[0030] The displacement measuring assembly 6 comprises a displacement sensor 601, a displacement sensor fixing plate 602 for fixing the displacement sensor 601 on the frame body 1 and the force sensor fixing plate 3, and a displacement sensor mounting plate 603.

[0031] A height-adjustable pad plate 22 is arranged on the bottom of the fixing part 102 and the frame body 1, and a safety anti-falling plate 23 is arranged on both sides of the pad plate 22 to prevent the brake unit from falling.

[0032] In use, the test device is started, the action part 101 moves left and right, and pressure resistance and displacement change tests are performed; before the test, relevant preparation work is performed, the fixing part 102 is placed on the pad plate 22, the center position of the action part 101 is adjusted to be on the same horizontal plane as the center of the centering block 5 through the height-adjustable pad plate 22, the up-down and left-right pressing mechanisms are manually pressed, the safety anti-falling plate 23 prevents the fixing part 102 from falling, the hand-operated reversing valve 10 is lifted to control the pressing cylinder 7 and the clamping cylinder 19 to perform the pressing action, the pressing cylinder 7 extends after being ventilated, the guide rod 8 is pushed forward, the force sensor fixing plate 3 is driven to move forward, the track 9 is connected between the force sensor fixing plate 3 and the frame body 2 to reduce the friction, the centering block 5 and the action part 101 are pressed, the brake unit 1 is fixed and pressed, and the above completes the test preparation work; after the action part 101 is braked, irregular movement is performed, the force sensor 4 measures the value, which is the pressure value of the brake unit 1, the displacement sensor 601 measures the displacement information of the action part 101, the pressure value and the displacement value are synchronously fed back to the test computer terminal, so that the pressure resistance and displacement test of the brake unit 1 are realized, the pressure and displacement data are measured at one time, the test efficiency is high, and the test result is accurate and reliable.

[0033] The above specific embodiments are only used to illustrate the technical scheme of the utility model and not to limit it, although the utility model is described in detail with reference to the examples, those skilled in the art should understand that the technical scheme of the utility model can be modified or replaced equivalently without departing from the scope of the technical scheme of the utility model, which should be covered in the scope of the claims of the utility model.

Claims

1. A brake unit pressure and displacement testing device, the brake unit comprising an action portion and a fixed portion, characterized by: The application relates to a brake testing device, which comprises a U-shaped frame body, a left-right slidable pressing brake unit, a measuring mechanism for measuring pressure and displacement, an up-down pressing mechanism and a left-right pressing mechanism arranged on one side of the measuring mechanism, a pushing assembly, a force sensor fixing plate connected to the end of the pushing assembly, a force sensor arranged on the force sensor fixing plate, a pressing block arranged on one side of the force sensor for pressing a moving part, a displacement measuring assembly arranged on one side of the frame body and the force sensor fixing plate, and a test computer terminal connected with the force sensor and the displacement measuring assembly.

2. The brake unit pressure and displacement test device according to claim 1, characterized in that: The pushing assembly is a pressing air cylinder fixed on the frame body, the pressing air cylinder is connected with the force sensor fixing plate through a pushing guide rod, and the bottom of the force sensor fixing plate is slidably connected with the frame body through a track.

3. The brake unit pressure and displacement test device of claim 2, wherein: The pressing air cylinder is connected with a hand-operated reversing valve.

4. The brake unit pressure and displacement test device according to claim 1, characterized in that: The pushing assembly is a hand wheel pushing rod.

5. The brake unit pressure and displacement test device according to claim 1, characterized in that: The up-down pressing mechanism comprises a vertical rod fixed on the frame body, a connecting rod connected with the vertical rod, a pressing rod rotatably connected with the connecting rod, and rotating handles and up-down pressing blocks arranged on the two ends of the pressing rod.

6. The brake unit pressure and displacement test device according to claim 1, characterized in that: The left-right pressing mechanism comprises left-right fixing rods arranged on one side of the frame body, rotating rods connected with one end of the left-right fixing rods, and left-right clamping assemblies arranged below the fixing parts.

7. The brake unit pressure and displacement test device of claim 6, wherein: The left-right clamping assembly comprises a clamping air cylinder hinged with the frame body, a transmission rod hinged with the output end of the clamping air cylinder, and left-right clamping blocks connected with the end of the transmission rod.

8. The brake unit pressure and displacement test device according to claim 1, characterized in that: The displacement measuring assembly comprises a displacement sensor, a displacement sensor fixing plate and a displacement sensor mounting plate for fixing the displacement sensor on the frame body and the force sensor fixing plate.

9. The brake unit pressure and displacement test device of claim 1, wherein: Height-adjustable cushion plates are arranged on the bottom of the fixing part and the frame body, and safety anti-falling plates for preventing the brake unit from falling are arranged on the two sides of the cushion plates.

10. The brake unit pressure and displacement test device of claim 9, wherein: A plurality of universal wheels are arranged on the bottom of the frame body.

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