Engine suspension cushion pressure test positioning device
By designing an engine suspension pad pressure test positioning device including a base, annular seat and a rotating arm, the problems of large number of devices, large space and high cost in the prior art are solved, and space saving and cost reduction are achieved effect.
Patent Information
- Application Number
- CN202411483898.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-23
- Publication Date
- 2025-01-07
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing engine suspension pad pressure test positioning device needs to adapt to multiple installation hole positions, resulting in large numbers of devices, large space, high cost and inconvenient use.
A pressure test positioning device including a base, annular seat, a rotary arm, a fixing assembly and an adjusting fixing mechanism is designed. Through the movable connection of the annular seat and the intermediate support and the adjusting fixing mechanism on the rotating arm, it can be installed according to different conditions. The hole position is adjusted and fixed, simplifying the design and use of the device.
It realizes saving storage space, reducing costs, and improving the convenience of use, avoiding the limitations of traditional positioning devices that can only adapt to one type of engine suspension pad.
Smart Images
Figure CN119269061A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of engine suspension cushions, in particular to a pressure test positioning device for an engine suspension cushion. Background Art
[0002] The engine mount pad is used to reduce and control the transmission of engine vibration and plays a supporting role. It is used in the current automotive industry. The engine mount pad is a supporting vibration isolation element connecting the engine and the vehicle body. It can isolate the transmission of engine vibration and noise into the vehicle compartment, significantly improving the comfort of the entire vehicle interior. The engine mount pad connects the engine to the chassis, which can suppress engine vibration, limit engine displacement, and avoid vibration and structural noise from being transmitted to the vehicle body, thereby increasing driving comfort and reducing the impact of vibration on other adjacent components.
[0003] During the production process of the engine suspension pad, its pressure, fatigue and other performance tests are needed. During the test, a positioning device is needed to position and fix it. However, since the engine suspension pad is generally used to connect to the vehicle body through multiple mounting holes and the mounting holes are set in different positions, each position arrangement of the mounting holes requires a corresponding positioning device to cooperate in positioning and fixing. This results in a large number of positioning devices, which takes up storage space and increases costs. Summary of the invention
[0004] The purpose of the present invention is to solve the problems in the prior art and to provide an engine suspension cushion pressure test positioning device, which can save storage space, reduce costs, and is easy to use.
[0005] To achieve the above-mentioned purpose, the present invention proposes an engine suspension cushion pressure test positioning device, comprising a base, an intermediate support, an annular seat I, a plurality of rotating arms, a plurality of fixing components and a plurality of adjusting and fixing mechanisms, wherein the base is provided with an annular seat I and an intermediate support located in the annular seat I, one end of the rotating arm is movably connected to the intermediate support, and the rotating arms are provided with an adjusting and fixing mechanism and a fixing component, the adjusting and fixing mechanism is slidably fixedly connected to the annular seat I, and the fixing component is fixedly matched with the mounting hole of the engine suspension cushion for connecting to the vehicle body.
[0006] Preferably, the number of the rotating arms is four, and an arc groove is provided at one end of each rotating arm. An annular seat II is provided at the upper end of the intermediate support, and the annular seat II is located in the arc groove. A seat body is fixed to the upper end of the intermediate support by screws, and a retaining ring is provided on the seat body to prevent the rotating arm from moving upward.
[0007] Preferably, the fixing assembly includes a sliding sleeve, a support body, a rotating disk, a plurality of support rods, a fastening bolt and a plurality of fixing nuts. The sliding sleeve is provided with a support body, a rotatable rotating disk is provided on the support body, support rods are evenly arranged around the periphery of the rotating disk, the free ends of the support rods are provided with fixing nuts, the fixing nuts are provided with fixing bolts matching therewith, each of the fixing nuts has a different nominal diameter, and the sliding sleeve is provided with a fastening bolt for fixedly connecting with the rotating arm.
[0008] Preferably, the support body is provided with a threaded hole, a screw rod I matching therewith is provided in the threaded hole, the lower end of the screw rod I is fixedly connected to the sliding sleeve, a fastening nut matching therewith is provided on the screw rod I, and the fastening nut is pressed against the lower end of the support body.
[0009] Preferably, the adjustment and fixing mechanism includes a hook, a screw II and a locking nut, the screw II is passed through the rotating arm, a hook is provided at the lower end of the screw II, an annular groove is provided on the outer peripheral surface of the annular seat I for hanging the hook, and a locking nut is provided on the screw II for clamping the rotating arm.
[0010] Preferably, a rotation drive mechanism is provided at the bottom of the base, and the rotation drive mechanism includes a fixed seat and a worm gear transmission box arranged on the fixed seat, the input end of the worm gear transmission box is provided with a manual wheel, and the output end of the worm gear transmission box is provided with a connecting plate.
[0011] Preferably, it also includes a connecting mechanism for connecting the inner sleeve of the engine suspension cushion with the pressure cylinder or exciter, the connecting mechanism includes a U-shaped body, two crosses, a plurality of screw holes and two spring pins, a rotatable cross is provided on the inner side of both ends of the U-shaped body, screw holes are provided at the four ends of the cross, the inner diameters of the four screw holes on the same cross are different, and the two identical screw holes at the front and rear are provided with bolt pairs that match them, and spring pins are provided at both ends of the U-shaped body for positioning the corresponding cross.
[0012] Preferably, both ends of the U-shaped body are provided with a rotatable and slidable shaft, the outer end of the shaft is provided with an anti-slip protrusion, the inner end of the shaft is provided with a cross, and the circumferential surface of the shaft is provided with four plug-in grooves corresponding to the four ends of the cross, and the pin of the spring pin is inserted into the corresponding plug-in groove.
[0013] Beneficial effects of the present invention: the present invention provides an annular seat I and an intermediate support located in the annular seat I on the base, one end of the rotating arm is movably connected to the intermediate support, and an adjusting fixing mechanism and a fixing assembly are provided on the rotating arm. The adjusting fixing mechanism is slidably fixedly connected to the annular seat I, and the fixing assembly is fixedly matched with the mounting hole of the engine suspension cushion for connecting to the vehicle body, and can be adjusted according to different position arrangements of the mounting holes for connecting to the vehicle body, avoiding the disadvantage that the traditional positioning device can only adapt to one type of engine suspension cushion. Compared with the prior art, it can save storage space, reduce costs, and is easy to use.
[0014] The features and advantages of the present invention will be described in detail through embodiments in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a partially cutaway structural schematic diagram of an engine suspension cushion pressure test positioning device of the present invention; Figure 2 It is a structural diagram of the connecting mechanism; Figure 3 It is a partial top view of an engine suspension cushion pressure test positioning device of the present invention.
[0016] In the figure: 1-base, 2-intermediate support, 3-annular seat I, 4-rotating arm, 5-fixing assembly, 6-adjusting fixing mechanism, 7-arc groove, 8-annular seat II, 9-screw, 10-seat body, 11-retaining ring, 12-annular groove, 13-rotating drive mechanism, 14-connecting mechanism, 51-sliding sleeve, 52-support body, 53-rotating disk, 54-support rod, 55-fastening bolt, 56-fixing nut, 57-fixing screw Bolt, 58-threaded hole, 59-screw I, 510-fastening nut, 61-hook, 62-screw II, 63-locking nut, 131-fixed seat, 132-worm gear transmission box, 133-manual wheel, 134-connecting plate, 141-U-shaped body, 142-cross, 143-screw hole, 144-spring latch, 145-bolt pair, 146-axis body, 147-anti-dropping protrusion, 148-plug slot. DETAILED DESCRIPTION
[0017] See also Figure 1 , Figure 2 and Figure 3The present invention discloses an engine suspension cushion pressure test positioning device, comprising a base 1, an intermediate support 2, an annular seat I3, a plurality of rotating arms 4, a plurality of fixing components 5 and a plurality of adjusting and fixing mechanisms 6. The base 1 is provided with an annular seat I3 and an intermediate support 2 located in the annular seat I3, one end of the rotating arm 4 is movably connected to the intermediate support 2, and the rotating arm 4 is provided with an adjusting and fixing mechanism 6 and a fixing component 5. The adjusting and fixing mechanism 6 is slidably fixedly connected to the annular seat I3, and the fixing component 5 is fixedly matched with a mounting hole of the engine suspension cushion for connecting to a vehicle body.
[0018] There are four rotating arms 4, and one end of each rotating arm 4 is provided with an arc groove 7. The upper end of the intermediate support 2 is provided with an annular seat II8, and the annular seat II8 is located in the arc groove 7. The upper end of the intermediate support 2 is fixed with a seat body 10 by screws 9, and the seat body 10 is provided with a retaining ring 11 for blocking the rotating arm 4 from moving upward.
[0019] The fixing assembly 5 includes a sleeve 51, a support body 52, a rotating disk 53, a plurality of support rods 54, a fastening bolt 55 and a plurality of fixing nuts 56. The sleeve 51 is provided with a support body 52, and a rotatable rotating disk 53 is provided on the support body 52. The periphery of the rotating disk 53 is provided with evenly arranged support rods 54, and the free ends of the support rods 54 are provided with fixing nuts 56, and the fixing nuts 56 are provided with fixing bolts 57 matched therewith. The nominal diameter of each fixing nut 56 is different. The sleeve 51 is provided with a fastening bolt 55 for fixedly connecting with the rotating arm 4.
[0020] The support body 52 is provided with a threaded hole 58, and a screw rod 159 matching therewith is provided in the threaded hole 58. The lower end of the screw rod 159 is fixedly connected to the sleeve 51. The screw rod 159 is provided with a fastening nut 510 matching therewith, and the fastening nut 510 is pressed against the lower end of the support body 52.
[0021] The adjusting and fixing mechanism 6 includes a hook 61, a screw II62 and a locking nut 63. The screw II62 is passed through the rotating arm 4. The lower end of the screw II62 is provided with a hook 61. The outer peripheral surface of the annular seat I3 is provided with an annular groove 12 for hanging the hook 61. The screw II62 is provided with a locking nut 63 for clamping the rotating arm 4.
[0022] A rotation drive mechanism 13 is provided at the bottom of the base 1, and the rotation drive mechanism 13 includes a fixed seat 131 and a worm gear transmission box 132 arranged on the fixed seat 131, an input end of the worm gear transmission box 132 is provided with a manual wheel 133, and an output end of the worm gear transmission box 132 is provided with a connecting plate 134.
[0023] It also includes a connecting mechanism 14 for connecting the inner sleeve of the engine suspension cushion with the pressure-acting cylinder or the vibrator, the connecting mechanism 14 includes a U-shaped body 141, two crosses 142, a plurality of screw holes 143 and two spring latches 144, a rotatable cross 142 is provided on the inner side of both ends of the U-shaped body 141, screw holes 143 are provided at four ends of the cross 142, the inner diameters of the four screw holes 143 on the same cross 142 are different, and the two identical screw holes 143 at the front and back are provided with a bolt pair 145 matched therewith, and spring latches 144 are provided at both ends of the U-shaped body 141 for positioning the corresponding cross 142.
[0024] Both ends of the U-shaped body 141 are provided with a rotatable and slidable shaft body 146, the outer end of the shaft body 146 is provided with an anti-slip protrusion 147, the inner end of the shaft body 146 is provided with a cross 142, and the circumferential surface of the shaft body 146 is provided with four plug-in grooves 148 corresponding to the four ends of the cross 142, and the pin body of the spring pin 144 is inserted into the corresponding plug-in grooves 148.
[0025] Working process of the present invention: During the operation of the pressure test positioning device for an engine suspension cushion of the present invention, the pin body of the spring pin 144 is first removed from the corresponding plug-in slot 148 to release the positioning of the shaft body 146, and then the cross 142 is rotated to make the required screw hole 143 face downward, and then the pin body of the spring pin 144 is inserted into the corresponding plug-in slot 148, and then the bolt pair 145 on the required screw hole 143 is removed, and then the engine suspension cushion is picked up so that the inner bushing on it is located between the two required screw holes 143, and then the screw hole 143 is fixedly connected to the inner bushing by the bolt pair 145, and then the required fixing nut is removed. 56 and rotate the rotating disk 53 to drive the support rod 54 to rotate, and the support rod 54 drives the required fixing nut 56 toward the middle support 2, and then loosen the locking nut 63 and rotate the rotating arm 4 with the middle support 2 as the axis, and loosen the fastening bolt 55 and slide the sleeve 51 along the rotating arm 4, so that the fixing nut 56 toward the middle support 2 is located directly below the corresponding mounting hole on the mounting seat of the engine suspension cushion for connecting to the vehicle body, and then pass the corresponding fixing bolt 57 through the mounting hole to fix it with the fixing nut 56, after all the mounting holes are fixedly connected with the corresponding fixing components 5, and then tighten the locking nut 63.
[0026] When adjusting the height of the fixing nut 56, loosen the fastening nut 510 to make it move downward a certain distance, and then rotate the support body 52 clockwise or counterclockwise to move. The support body 52 drives the rotating disk 53 to move. The rotating disk 53 drives the fixing nut 56 through the support rod 54 to adjust the height, so that the corresponding fixing nut 56 can be supported at the bottom of the mounting seat of the engine suspension cushion.
[0027] The above embodiments are intended to illustrate the present invention, not to limit the present invention. Any solution that is a simple transformation of the present invention belongs to the protection scope of the present invention.
Claims
1. An engine suspension cushion pressure test positioning device, characterized in that: The invention comprises a base (1), an intermediate support (2), an annular seat I (3), a plurality of rotating arms (4), a plurality of fixing components (5) and a plurality of adjusting fixing mechanisms (6); the base (1) is provided with an annular seat I (3) and an intermediate support (2) located inside the annular seat I (3); one end of the rotating arm (4) is movably connected to the intermediate support (2); the rotating arm (4) is provided with an adjusting fixing mechanism (6) and a fixing component (5); the adjusting fixing mechanism (6) is slidably fixedly connected to the annular seat I (3); the fixing component (5) is fixedly matched with a mounting hole of an engine suspension cushion for connecting to a vehicle body.
2. The engine suspension cushion pressure test positioning device according to claim 1, characterized in that: The number of the rotating arms (4) is four, and one end of each rotating arm (4) is provided with an arc groove (7). The upper end of the intermediate support (2) is provided with an annular seat II (8), and the annular seat II (8) is located in the arc groove (7). The upper end of the intermediate support (2) is fixed with a seat body (10) by means of screws (9), and the seat body (10) is provided with a retaining ring (11) for blocking the rotating arm (4) from moving upward.
3. The engine suspension cushion pressure test positioning device according to claim 1, characterized in that: The fixing assembly (5) comprises a sliding sleeve (51), a supporting body (52), a rotating disk (53), a plurality of supporting rods (54), a fastening bolt (55) and a plurality of fixing nuts (56). The sliding sleeve (51) is provided with a supporting body (52), a rotatable rotating disk (53) is provided on the supporting body (52), the rotating disk (53) is provided with supporting rods (54) evenly arranged around the periphery of the rotating disk (53), the free ends of the supporting rods (54) are provided with fixing nuts (56), the fixing nuts (56) are provided with fixing bolts (57) matched therewith, and the nominal diameters of the fixing nuts (56) are different. The sliding sleeve (51) is provided with a fastening bolt (55) for being fixedly connected to the rotating arm (4).
4. The engine suspension cushion pressure test positioning device according to claim 3, characterized in that: The support body (52) is provided with a threaded hole (58), a screw rod I (59) matching therewith is provided in the threaded hole (58), the lower end of the screw rod I (59) is fixedly connected to the sliding sleeve (51), and a fastening nut (510) matching therewith is provided on the screw rod I (59), and the fastening nut (510) is pressed against the lower end of the support body (52).
5. The engine suspension cushion pressure test positioning device according to claim 1, characterized in that: The adjusting and fixing mechanism (6) comprises a hook (61), a screw rod II (62) and a locking nut (63); the screw rod II (62) is inserted into the rotating arm (4); the lower end of the screw rod II (62) is provided with a hook (61); the outer peripheral surface of the annular seat I (3) is provided with an annular groove (12) for hanging the hook (61); and the screw rod II (62) is provided with a locking nut (63) for pressing the rotating arm (4).
6. The engine suspension cushion pressure test positioning device according to claim 1, characterized in that: A rotation drive mechanism (13) is provided at the bottom of the base (1), the rotation drive mechanism (13) comprising a fixed seat (131) and a worm gear transmission box (132) provided on the fixed seat (131), a manual rotating wheel (133) being provided at an input end of the worm gear transmission box (132), and a connecting plate (134) being provided at an output end of the worm gear transmission box (132).
7. The engine suspension cushion pressure test positioning device according to claim 1, characterized in that: It also includes a connecting mechanism (14) for connecting the inner sleeve of the engine suspension cushion with the pressure-acting cylinder or the exciter, the connecting mechanism (14) including a U-shaped body (141), two crosses (142), a plurality of screw holes (143) and two spring latches (144), a rotatable cross (142) is provided on the inner side of both ends of the U-shaped body (141), screw holes (143) are provided on the four ends of the cross (142), the inner diameters of the four screw holes (143) on the same cross (142) are different, and two identical screw holes (143) are provided with bolt pairs (145) matching therewith, and spring latches (144) are provided on both ends of the U-shaped body (141) for positioning the corresponding cross (142).
8. The engine suspension cushion pressure test positioning device according to claim 7, characterized in that: Both ends of the U-shaped body (141) are provided with a rotatable and slidable shaft body (146), the outer end of the shaft body (146) is provided with an anti-drop protrusion (147), the inner end of the shaft body (146) is provided with a cross (142), and the circumferential surface of the shaft body (146) is provided with four insertion grooves (148) corresponding to the four ends of the cross (142), and the spring latch (144) is inserted into the corresponding insertion groove (148).