Detection tool for transfer case
By designing a testing fixture for the transfer case and utilizing a mechanical adjustment unit to achieve automatic alignment and installation of the transfer case, the problems of high labor intensity and low efficiency caused by manual installation are solved, thereby improving the efficiency of transfer case testing.
Patent Information
- Application Number
- CN202520278205.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2035-02-20
AI Technical Summary
In existing technologies, the installation of the transfer case into the testing equipment relies entirely on manual labor, resulting in high labor intensity and low efficiency.
A testing fixture was designed, including a base, a fixing plate, a drive motor, an adjustment unit, and a pushing device. It achieves mechanical adjustment of the transfer case in all directions, replacing manual installation.
It reduces labor intensity, improves the efficiency of transfer case installation, and ensures parallel connection between the transfer case spindle and the drive motor output.
Smart Images

Figure CN223637115U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to transfer case detection technical field especially relates to a detection tool for transfer case. BACKGROUND
[0002] Transfer case is a device for four-wheel drive vehicles, its main function is to distribute the power of the engine, which can output power to the rear axle or simultaneously to the front axle and rear axle;
[0003] The function of transfer case
[0004] Power output: transfer case can output power to the rear axle, drive the vehicle to run.
[0005] Realize four-wheel drive: transfer case can make the vehicle simultaneously use the front axle and rear axle to drive, improve the traction and stability of the vehicle.
[0006] Power distribution device: as the distribution device of engine power, transfer case can reasonably distribute power to each drive axle according to the demand of the vehicle.
[0007] For example, when used on engineering pump truck, when the vehicle runs normally, the power is transmitted to the driving wheel of the vehicle through the transfer case, when pumping concrete, the transfer case transmits power to the delivery pump.
[0008] When the transfer case is produced, its performance needs to be detected, when detecting, the transfer case is connected with the detection equipment through the connecting disc on the main shaft, and then each load such as fan simulating vehicle running, delivery pump is connected with the branch shaft on the transfer case, and then the driving motor on the detection equipment drives each branch shaft to rotate through the main shaft, and the running state under different loads is detected in real time through each sensor and instrument, and then the performance of the whole transfer case is analyzed.
[0009] At present, when the transfer case is installed to the detection equipment, first, the transfer case is lifted to the vicinity of the detection equipment by the truss car, and then the connecting disc of the transfer case is bolted with the detection equipment by manual, but during this period, the truss car can only adjust the transfer case to a rough position, so in the following hole alignment installation process, it completely relies on manual, and because the weight of the transfer case is large, the labor intensity is large and the efficiency is low when relying on manual hole alignment installation.
[0010] Therefore, a detection tool for transfer case is needed to replace manual to complete the installation of the transfer case, so as to reduce the labor intensity and improve the efficiency. Utility model content
[0011] In view of the above technical problems, the utility model provides a detection tool for transfer case, is used to solve the problem of big labour intensity and low work efficiency caused by the complete reliance on manpower when installing and connecting the transfer case to the detection equipment.
[0012] The above technical purpose of the utility model is realized by the following technical scheme:
[0013] A detection tool for transfer case includes base, the fixed plate is vertically arranged on the base, the fixed plate is circularly provided with connecting hole which is connected with transfer case, the base is provided with drive motor on one side of the fixed plate, the fixed plate is provided with mounting hole on the position of the output end of the drive motor, the mounting hole is used for realizing the connection of the drive motor and the main shaft of the transfer case, characterized in that: the base is provided with adjusting unit on the other side of the fixed plate, and the adjusting unit can realize the movement of the transfer case in front and back, left and right, up and down.
[0014] The adjusting unit includes the base frame that is slidably arranged on the base, the lifting plate is vertically lifted on the base frame, the storage plate is vertically arranged on the lifting plate and is perpendicular to the sliding direction of the base frame, and the storage plate is used for supporting the transfer case.
[0015] One side of the storage plate is provided with the stop plate, the direction of the stop plate on the storage plate is perpendicular to the axis of the output end of the drive motor, the other side of the storage plate is provided with the pushing device, and the pushing device is used for pushing the transfer case on the storage plate to the stop plate to form clamping and fixing effect.
[0016] Further, the base frame includes the support plate, the four corners of the support plate are rotatably provided with pulleys respectively, the base is provided with the first sliding rail along the sliding direction of the base frame at the position corresponding to the pulley, the support plate and the lifting plate are provided with the guide device, and the central part of the support plate is provided with the lifting drive cylinder, and the lifting plate is lifted under the action of the lifting drive cylinder and the guide device.
[0017] Further, the guide device includes the sleeve pipe and the sleeve rod, the sleeve pipe is fixed on the support plate, and the sleeve rod is fixed at the position corresponding to the sleeve pipe of the lifting plate.
[0018] Further, the bottom of the support plate is provided with the first lead screw along the length direction of the first sliding rail, and the support plate reciprocates along the first sliding rail under the action of the first lead screw.
[0019] Further, the lifting plate is provided with the second sliding rail along the direction perpendicular to the first sliding rail, both ends of the lifting plate are provided with the rotating seat, the lifting plate is provided with the second lead screw along the length direction of the second sliding rail between the rotating seats, and the second lead screw controls the reciprocating motion of the storage plate on the second sliding rail.
[0020] Further, the height of the rotating seat is less than the gap between the lifting plate and the storage plate.
[0021] Further, the pushing device comprises a pushing driving cylinder, the output end of the pushing driving cylinder is provided with a pushing arm, both ends of the pushing arm are provided with pushing rods, and the storage plate is provided with a guide seat at the position of the pushing rods.
[0022] Further, the stop plate comprises a connecting portion, both ends of the connecting portion are provided with heightening portions, and the height of the heightening portions is greater than the height of the pushing rods relative to the storage plate.
[0023] In conclusion, the beneficial technical effects of the utility model are as follows:
[0024] During detection, the transfer case is placed on the storage plate, and then the transfer case is clamped and the main shaft of the transfer case is parallel to the output end of the driving motor through cooperation of the stop plate and the pushing driving cylinder, the first lead screw is used to drive the whole transfer case to move forward and backward relative to the fixed plate through the chassis, the second lead screw is used to control the storage plate to move left and right, and the lifting driving cylinder is used to lift the transfer case, so that the adjustment of each position of the transfer case when connected with the fixed plate and the output end of the driving motor is realized, manual installation is replaced by mechanical adjustment, and labor intensity is reduced and work efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 is the overall structure schematic view of the utility model;
[0026] Figure 2 is Figure 1 is the schematic view of another angle;
[0027] Figure 3 is the use schematic view of the utility model;
[0028] Figure 4 is Figure 3 is the schematic view of another state.
[0029] Fig. 1 is a base; 2 is a fixed plate; 3 is a mounting hole; 4 is a connecting hole; 5 is a support; 6 is a driving motor; 7 is a first sliding rail; 8 is a supporting plate; 9 is a pulley; 10 is a sleeve; 11 is a lifting driving cylinder; 12 is a lifting plate; 13 is a sleeve rod; 14 is a second sliding rail; 15 is a storage plate; 16 is a connecting portion; 17 is a heightening portion; 18 is a pushing driving cylinder; 19 is a pushing arm; 20 is a pushing rod; 21 is a guide seat; 22 is a first lead screw; 23 is a second lead screw; 24 is a rotating seat; 25 is a hexagonal driving hole; 26 is a transfer case; 27 is a connecting disc. DETAILED DESCRIPTION
[0030] The present invention will now be described clearly and completely with reference to the embodiments.
[0031] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.
[0032] In the description of the embodiments, unless otherwise expressly specified and limited, the terms "set," "connect," etc., should be interpreted broadly. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or a connection through an intermediate medium, or it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0033] See appendix Figures 1-2 The image shows a testing fixture for a transfer case, including a base 1, on which a fixing plate 2 is vertically welded and fixed. A rib for reinforcement is provided between the base 1 and the fixing plate 2. A drive motor 6 is fixedly mounted on one side of the base 1 via a bracket 5. The fixing plate 2 has a mounting hole 3 at the output end of the drive motor 6 to accommodate the output end of the drive motor 6. The fixing plate 2 also has a connecting hole 4 around the mounting hole 3. When connecting the transfer case 26 to the drive motor 6, the transfer case 26 is mounted on the fixing plate 2 by bolting the connecting plate 27 on the transfer case 26 to the connecting hole 4 on the fixing plate 2. At this time, the main shaft of the transfer case 26 is fitted into the output end of the drive motor 6 and connected by a spline. Then, the drive motor 6 drives the transfer case 26 to rotate.
[0034] The base 1 is located on the other side of the fixed plate 2 and has an adjustment unit. The adjustment unit includes a base frame, which includes a horizontally arranged support plate 8. The support plate 8 has pulleys 9 rotatably arranged at the four corners of the side near the base 1. The base 1 is provided with a first slide rail 7 corresponding to the position of the pulleys 9. A first lead screw 22 is provided between the base 1 and the fixed plate 2 along the length of the first slide rail 7. The first lead screw 22 is threadedly connected to the support plate 8. In use, the first lead screw 22 drives the support plate 8 to move linearly back and forth along the first slide rail 7.
[0035] The other side of the support plate 8 is vertically provided with a lifting drive cylinder 11, wherein the output end of the lifting drive cylinder 11 is provided with a lifting plate 12, the lifting plate 12 is driven by the lifting drive cylinder 11 to realize vertical lifting, and in order to prevent the lifting plate 12 from rotating along the output end of the lifting drive cylinder 11 during operation, a sleeve pipe 10 is vertically provided on the four corners of the side of the support plate 8 close to the lifting plate 12, and the lifting plate 12 is provided with a sleeve rod 13 corresponding to the position of the sleeve pipe 10, and the stability of the lifting plate 12 during operation is improved through the cooperation of the sleeve pipe 10 and the sleeve rod 13;
[0036] The other side of the lifting plate 12 is provided with a second sliding rail 14 perpendicular to the direction of the first sliding rail 7, and a storage plate 15 is slidably arranged on the second sliding rail 14, both ends of the lifting plate 12 are provided with a rotating seat 24, and a second lead screw 23 is arranged between the two rotating seats 24, the second lead screw 23 is threadedly connected with the storage plate 15, one end of the second lead screw 23 is provided with a hexagonal driving hole 25, in use, the rotation of the second lead screw 23 is realized through the cooperation of the hexagonal wrench and the hexagonal driving hole 25, and in order to prevent the storage plate 15 from interfering with the rotating seat 24 when moving along the second sliding rail 14, the height of the rotating seat 24 is less than the distance between the lifting plate 12 and the storage plate 15;
[0037] One side of the storage plate 15 is provided with a stop plate, the direction of the stop plate on the storage plate 15 is perpendicular to the axis of the output end of the driving motor 6, and a push driving cylinder 18 is arranged on the side of the storage plate 15 opposite to the stop plate, the output end of the push driving cylinder 18 is provided with a push arm 19, both ends of the push arm 19 are provided with a push rod 20, in use, the transfer case 26 is placed on the storage plate 15, and then the push rod 20 is driven by the push driving cylinder 18 to push and abut the transfer case 26 to the side wall of the stop plate, the transfer case 26 is clamped and fixed by the push driving cylinder 18, and when the transfer case 26 abuts to the side wall of the stop plate, the stop plate serves as a reference to correct the position of the transfer case 26, so that the obliquely placed transfer case 26 is adjusted, which is more conducive to the connection of the main shaft of the transfer case 26 and the output end of the driving motor 6;
[0038] Therefore, when installing the transfer case 26, the transfer case 26 is placed on the storage plate 15 and fixed by the cooperation of the push driving cylinder 18 and the stop plate, then the transfer case 26 is driven by the first lead screw 22 through the support plate 8 to move back and forth along the first sliding rail 7, and the transfer case 26 is driven by the second lead screw 23 through the storage plate 15 to move left and right along the second sliding rail 14, and finally the lifting drive cylinder 11 realizes the up and down lifting of the transfer case 26, so that the mechanical adjustment of the transfer case 26 at each position during installation is realized, and the manual adjustment is replaced, the labor intensity of the workers is reduced, and the work efficiency is further improved.
[0039] Furthermore, the stop plate includes a connecting part 16 connected to the shelf 15. The two ends of the connecting part 16 are provided with raised parts 17. The height of the raised parts 17 is greater than the height of the push rod 20 relative to the shelf 15. This prevents the transfer case 26 from tipping backward after the push rod 20 acts on it.
[0040] See appendix for usage. Figures 3-4 As shown, firstly, the shelf 15 is moved out along the first slide rail 7 by the first lead screw 22, and then the shelf 15 is lowered to the lowest position by the lifting drive cylinder 11. Then, the transfer case 26 is placed on the shelf 15, and the transfer case 26 is pressed against the side wall of the stop plate by the push rod 20 through the push drive cylinder 18. Then, the position of the transfer case 26 is adjusted by the cooperation of the first lead screw 22, the second lead screw 23 and the lifting drive cylinder 11, so as to complete the cooperation between the main shaft of the transfer case 26 and the output end of the drive motor 6 and the alignment of the connecting plate 27 with the connecting hole 4.
[0041] The above description is only a preferred embodiment of the present utility model and is not intended to limit the scope of protection of the present utility model. Therefore, all equivalent changes made to the structure, shape and principle of the present utility model should be included within the scope of protection of the present utility model.
Claims
1. A testing fixture for a transfer case, comprising a base (1), wherein a fixing plate (2) is vertically fixed on the base (1), and the fixing plate (2) has a connecting hole (4) circumferentially formed for connecting to the transfer case (26), wherein a drive motor (6) is provided on one side of the base (1) located on the fixing plate (2), and a mounting hole (3) is formed at the output end of the drive motor (6) on the fixing plate (2), wherein the mounting hole (3) is used to connect the drive motor (6) to the main shaft of the transfer case (26), characterized in that: The base (1) is provided with an adjusting unit on the other side of the fixed plate (2), which can realize the front, rear, left, right, up and down movement of the transfer case (26); The adjusting unit comprises a chassis slidably arranged on the base (1), a lifting plate (12) vertically arranged on the chassis, and a storage plate (15) vertically arranged on the lifting plate (12) and perpendicular to the sliding direction of the chassis, wherein the storage plate (15) is used for supporting the transfer case (26); One side of the storage plate (15) is provided with a stop plate, the direction of the stop plate on the storage plate (15) is perpendicular to the axis of the output end of the driving motor (6), and the other side of the storage plate (15) is provided with a pushing device, which is used for pushing the transfer case (26) on the storage plate (15) to the stop plate to form a clamping and fixing effect.
2. A detection tool for a transfer case as in claim 1, wherein: The chassis comprises a support plate (8), four corners of the support plate (8) are rotatably provided with pulleys (9), the base (1) is provided with a first sliding rail (7) corresponding to the position of the pulley (9) along the sliding direction of the chassis, a guide device is arranged between the support plate (8) and the lifting plate (12), and a lifting driving cylinder (11) is arranged in the center of the support plate (8), and the lifting plate (12) is lifted under the action of the lifting driving cylinder (11) and the guide device.
3. A detection tool for a transfer case as in claim 2, wherein: The guide device comprises a sleeve (10) and a sleeve rod (13), the sleeve (10) is fixed on the support plate (8), and the sleeve rod (13) is fixed on the lifting plate (12) corresponding to the position of the sleeve (10).
4. A detection tool for a transfer case as in claim 2, wherein: The bottom of the support plate (8) is provided with a first lead screw (22) along the length direction of the first sliding rail (7), and the support plate (8) reciprocates along the first sliding rail (7) under the action of the first lead screw (22).
5. A detection tool for a transfer case as in claim 1, wherein: The lifting plate (12) is provided with a second sliding rail (14) perpendicular to the direction of the first sliding rail (7), both ends of the lifting plate (12) are provided with rotating seats (24), and the lifting plate (12) is provided with a second lead screw (23) between the rotating seats (24) along the length direction of the second sliding rail (14), and the second lead screw (23) controls the reciprocating movement of the storage plate (15) on the second sliding rail (14).
6. A detection tool for a transfer case as in claim 5, wherein: The height of the rotating seat (24) is less than the gap between the lifting plate (12) and the storage plate (15).
7. A detection tool for a transfer case as in claim 1, wherein: The pushing device comprises a pushing driving cylinder (18), the output end of the pushing driving cylinder (18) is provided with a pushing arm (19), both ends of the pushing arm (19) are provided with pushing rods (20), and the storage plate (15) is provided with a guide seat (21) at the position of the pushing rod (20).
8. A detection tool for a transfer case as in claim 7, wherein: The stop plate comprises a connecting portion (16), both ends of the connecting portion (16) are provided with heightening portions (17), and the height of the heightening portion (17) is greater than the height of the pushing rod (20) relative to the storage plate (15).