Automobile frame welding firmness detection device
Through the combination of components such as support blocks, telescopic rods and motors, the displacement problem caused by unfixation in frame welding inspection is solved, and stable fixation and precise pressure are achieved to ensure detection safety and accuracy.
Patent Information
- Application Number
- CN202421354222.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-14
- Publication Date
- 2025-07-29
- Estimated Expiration
- 2034-06-14
AI Technical Summary
In the prior art, the vehicle frame welding is not effectively fixed during inspection, resulting in easy displacement when stress is uneven, and there are safety hazards.
The fixing mechanism and detection mechanism are adopted, and components such as support blocks, telescopic rods, pressure sensors and motors are used to achieve stable fixation and precise pressure on the frame to avoid damage or displacement due to excessive or too small force.
The vehicle frame is stable and fixed, avoiding frame damage or displacement caused by improper force, and ensuring the safety and accuracy of detection.
Smart Images

Figure CN223166511U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile frame welding detection, in particular to a device for detecting the welding firmness of an automobile frame. Background Technique
[0002] The frame is a frame structure straddling the front and rear axles of an automobile, commonly known as the girder, which is the base of the automobile. Generally composed of two longitudinal beams and several cross beams, it is supported on the wheels via suspension devices, the front axle, and the rear axle. The frame must have sufficient strength and stiffness to withstand the load of the automobile and the impact transmitted from the wheels. The function of the frame is to support and connect the various assemblies of the automobile, keep the various assemblies in the correct relative positions, and bear various loads inside and outside the automobile; after the frame welding is completed, it is necessary to detect the welding firmness, and a detection device is required.
[0003] In the prior art, in the anti-pressure detection of an automobile frame, a certain pressure or load needs to be applied to check whether the welding points can withstand the expected force, but the automobile frame is not fixed. Due to the undulation of the frame, it is easy to displace when the force is uneven, and excessive pressure will cause the frame to eject, posing a certain safety hazard. Summary of the Utility Model
[0004] The purpose of the utility model is to solve the problem in the prior art that in the anti-pressure detection of an automobile frame, a certain pressure or load needs to be applied to check whether the welding points can withstand the expected force, but the automobile frame is not fixed. Due to the undulation of the frame, it is easy to displace when the force is uneven, and excessive pressure will cause the frame to eject, posing a certain safety hazard, and to propose a device for detecting the welding firmness of an automobile frame.
[0005] To achieve the above purpose, the utility model adopts the following technical scheme: including: a fixing mechanism and a detection mechanism; the fixing mechanism includes a detection tabletop, support blocks are fixedly installed on both sides of the detection tabletop, a through hole is opened inside one of the support blocks, an induction block is arranged inside the through hole, first telescopic rods are fixedly installed on the opposite sides of the induction block and one of the support blocks, a first pressure sensor is fixedly arranged inside the through hole, one side of the first pressure sensor is electrically connected to a first display, clamping blocks are fixedly installed on the opposite sides of the two first telescopic rods, and clamping sleeves are fixedly installed on the opposite sides of the two clamping blocks.
[0006] Preferably, an installation groove is opened inside the detection tabletop, a second pressure sensor is fixedly installed inside the installation groove, a support plate is fixedly installed on the top of the second pressure sensor, the bottom of the support plate is fixedly connected to the top of the detection tabletop, and one side of the second pressure sensor is electrically connected to a second display.
[0007] Preferably, the detection mechanism includes two support columns, the top of the two support columns is fixedly installed with a top plate, and a chute is penetrated and opened inside the top plate.
[0008] Preferably, a slider is slidably connected inside the chute, and a rack is fixedly installed on the top of the slider.
[0009] Preferably, a second telescopic rod is fixedly installed at the bottom of the slider, and a pressing block is fixedly installed at the telescopic end of the second telescopic rod.
[0010] Preferably, a bracket is fixedly installed on the top of the top plate, a rotating shaft is inserted inside the bracket, a gear is fixedly sleeved on the outer surface wall of the rotating shaft, the gear is meshed and connected with the rack, and a limiting block is fixedly installed at one end of the rotating shaft.
[0011] Preferably, a motor is fixedly installed on one side of the bracket, the output end of the motor is fixedly connected with one end of the rotating shaft, and the opposite sides of the two support columns are respectively fixedly connected with both ends of the detection table.
[0012] Compared with the prior art, the advantages and positive effects of the present utility model are as follows
[0013] 1. In the present utility model, by adjusting the length of the first telescopic rod, the clamping blocks are arranged on both sides of the vehicle frame, which is convenient for fixing the vehicle frame. A clamping sleeve is fixedly installed on one side of the clamping block to avoid scratching the outer wall of the vehicle frame. Then, the induction block contacts the first pressure sensor, which is convenient for controlling the clamping force of the first telescopic rod on the vehicle frame, avoiding damage caused by excessive force or displacement of the vehicle frame due to insufficient force.
[0014] 2. In the present utility model, by fixedly installing the motor on one side of the bracket and setting the output end of the motor to be fixedly connected with one end of the rotating shaft, it is convenient to drive the gear to be meshed and connected with the rack by the rotation of the motor, so that the slider slides inside the chute and the position of the pressing block is adjusted to detect the firmness of different solder joints. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 is a three-dimensional view of a device for detecting the welding firmness of a vehicle frame proposed by the present utility model;
[0016] Figure 2 is a three-dimensional view of the fixing mechanism in a device for detecting the welding firmness of a vehicle frame proposed by the present utility model;
[0017] Figure 3 is a three-dimensional view of the detection mechanism in a device for detecting the welding firmness of a vehicle frame proposed by the present utility model;
[0018] Figure 4 is a three-dimensional structural split view of the detection mechanism in a device for detecting the welding firmness of a vehicle frame proposed by the present utility model.
[0019] Legend: 1. Fixing mechanism; 101. Detection table; 102. Support block; 103. Through hole; 104. Induction block; 105. First telescopic rod; 106. First pressure sensor; 107. First display; 108. Clamping block; 109. Clamping sleeve; 110. Installation groove; 111. Second pressure sensor; 112. Support plate; 113. Second display; 2. Detection mechanism; 201. Support column; 202. Top plate; 203. Slide groove; 204. Slide block; 205. Rack; 206. Second telescopic rod; 207. Pressing block; 208. Bracket; 209. Rotating shaft; 210. Gear; 211. Limit block; 212. Motor. Detailed implementation mode
[0020] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.
[0021] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described herein. Therefore, the present invention is not limited by the specific embodiments disclosed in the following specification.
[0022] Embodiment 1, as Figures 1-4 shown, the present invention provides a device for detecting the welding firmness of an automobile frame, including: a fixing mechanism 1 and a detection mechanism 2; the fixing mechanism 1 includes a detection table 101, support blocks 102 are fixedly installed on both sides of the detection table 101, a through hole 103 is opened inside one support block 102, an induction block 104 is arranged inside the through hole 103, first telescopic rods 105 are fixedly installed on the opposite sides of the induction block 104 and one support block 102, a first pressure sensor 106 is fixedly arranged inside the through hole 103, a first display 107 is electrically connected to one side of the first pressure sensor 106, clamping blocks 108 are fixedly installed on the opposite sides of the two first telescopic rods 105, and clamping sleeves 109 are fixedly installed on the opposite sides of the two clamping blocks 108.
[0023] The effect achieved by the entire Embodiment 1 is that a set of support blocks 102 are fixedly installed on the top of the detection tabletop 101. A through hole 103 is penetrated and opened inside one of the support blocks 102. An induction block 104 is arranged inside the through hole 103. First telescopic rods 105 are fixedly installed on the opposite sides of the induction block 104 and the support block 102. Clamping blocks 108 are fixedly installed at the telescopic ends of the first telescopic rods 105. The first pressure sensor 106 is fixedly installed inside the through hole 103. A first display 107 is electrically connected to one side of the first pressure sensor 106. The welded vehicle frame is arranged between the two clamping blocks 108. By adjusting the length of the first telescopic rods 105, the clamping blocks 108 are arranged on both sides of the vehicle frame, facilitating the fixation of the vehicle frame. A clamping sleeve 109 is fixedly installed on one side of the clamping block 108 to avoid scratching the outer wall of the vehicle frame. Then, by using the induction block 104 to contact the first pressure sensor 106, it is convenient to control the clamping force of the first telescopic rods 105 on the vehicle frame, avoiding damage caused by excessive force or displacement of the frame due to insufficient force.
[0024] Embodiment 2 is as follows Figures 1-4 As shown, an installation groove 110 is opened inside the detection tabletop 101. A second pressure sensor 111 is fixedly installed inside the installation groove 110. A support plate 112 is fixedly installed on the top of the second pressure sensor 111. The bottom of the support plate 112 is fixedly connected to the top of the detection tabletop 101. A second display 113 is electrically connected to one side of the second pressure sensor 111; The detection mechanism 2 includes two support columns 201. A top plate 202 is fixedly installed on the top of the two support columns 201. A chute 203 is penetrated and opened inside the top plate 202; A slider 204 is slidably connected inside the chute 203. A rack 205 is fixedly installed on the top of the slider 204; A second telescopic rod 206 is fixedly installed at the bottom of the slider 204. A pressing block 207 is fixedly installed at the telescopic end of the second telescopic rod 206; A bracket 208 is fixedly installed on the top of the top plate 202. A rotating shaft 209 is inserted inside the bracket 208. A gear 210 is fixedly sleeved on the outer surface of the rotating shaft 209. The gear 210 is meshed with the rack 205. A limiting block 211 is fixedly installed at one end of the rotating shaft 209; A motor 212 is fixedly installed on one side of the bracket 208. The output end of the motor 212 is fixedly connected to one end of the rotating shaft 209. The opposite sides of the two support columns 201 are respectively fixedly connected to both ends of the detection tabletop 101.
[0025] The effect achieved by the entire Embodiment 2 is as follows: An installation groove 110 is opened inside the detection tabletop 101, a second pressure sensor 111 is fixedly arranged inside the installation groove 110, a support plate 112 is fixedly arranged on the top of the second pressure sensor 111, and the bottom of the support plate 112 is fixedly connected to the top of the detection tabletop 101, which is convenient for fixing the support plate 112. The support plate 112 is used to sense the pressure and then transmit the pressure to the second pressure sensor 111. Then, the pressure value is read by the second display 113 electrically connected to one side of the second pressure sensor 111. Then, support columns 201 are fixedly connected to both ends of the detection tabletop 101, a top plate 202 is fixedly installed on the top of the support columns 201, a sliding groove 203 is opened inside the top plate 202, a slider 204 is slidably connected inside the sliding groove 203, a rack 205 is fixedly installed on the top of the slider 204, a second telescopic rod 206 is fixedly installed at the bottom of the slider 204, a pressing block 207 is fixedly installed at the telescopic end of the second telescopic rod 206. By adjusting the length of the second telescopic rod 206, the pressing block 207 is driven to contact the top of the vehicle frame, which is convenient for pressing the solder joints of the frame and testing the firmness of the solder joints, and reading the compressive value. Then, the motor 212 is rotated to drive the gear 210 to be meshed with the rack 205, and the position of the pressing block 207 is adjusted to detect the firmness of different solder joints.
[0026] Working principle: When the device is in use, first, a set of support blocks 102 are fixedly installed on the top of the detection table 101. A through hole 103 is penetrated and opened inside one support block 102. An induction block 104 is arranged inside the through hole 103. First telescopic rods 105 are fixedly installed on the opposite sides of the induction block 104 and the support block 102. Clamping blocks 108 are fixedly installed at the telescopic ends of the first telescopic rods 105. The first pressure sensor 106 is fixedly installed inside the through hole 103. A first display 107 is electrically connected to one side of the first pressure sensor 106. The welded vehicle frame is arranged between the two clamping blocks 108. By adjusting the length of the first telescopic rod 105, the clamping blocks 108 are arranged on both sides of the vehicle frame to facilitate the fixation of the vehicle frame. A clamping sleeve 109 is fixedly installed on one side of the clamping block 108 to prevent scratching the outer wall of the vehicle frame. Then, the induction block 104 contacts the first pressure sensor 106 to facilitate controlling the clamping force of the first telescopic rod 105 on the vehicle frame, avoiding damage caused by excessive force or displacement of the frame due to insufficient force. Secondly, an installation groove 110 is opened inside the detection table 101. A second pressure sensor 111 is fixedly arranged inside the installation groove 110. A support plate 112 is fixedly arranged on the top of the second pressure sensor 111. The bottom of the support plate 112 is fixedly connected to the top of the detection table 101 to facilitate fixing the support plate 112. The support plate 112 senses the pressure and then transmits the pressure to the second pressure sensor 111. Then, the pressure value is read by the second display 113 electrically connected to one side of the second pressure sensor 111. Then, support columns 201 are fixedly connected to both ends of the detection table 101. A top plate 202 is fixedly installed on the top of the support columns 201. A sliding groove 203 is opened inside the top plate 202. A slider 204 is slidably connected inside the sliding groove 203. A rack 205 is fixedly installed on the top of the slider 204. A second telescopic rod 206 is fixedly installed at the bottom of the slider 204. A pressing block 207 is fixedly installed at the telescopic end of the second telescopic rod 206. By adjusting the length of the second telescopic rod 206, the pressing block 207 is driven to contact the top of the vehicle frame to facilitate pressing the welding points of the frame and testing the firmness of the welding points, and reading the compressive value. Finally, a bracket 208 is fixedly installed on the top of the top plate 202. A rotating shaft 209 is inserted inside the bracket 208. A gear 210 is sleeved on the outer surface of the rotating shaft 209. A limiting block 211 is fixedly installed at one end of the rotating shaft 209. The motor 212 is fixedly installed on one side of the bracket 208. The output end of the motor 212 is fixedly connected to one end of the rotating shaft 209 to facilitate driving the gear 210 to mesh with the rack 205 by the rotation of the motor 212, enabling the slider 204 to slide inside the sliding groove 203 and adjusting the position of the pressing block 207 to detect the firmness of different welding points.
[0027] The wiring diagrams of the first pressure sensor 106, the second pressure sensor 111, the motor 212, the first telescopic rod 105, and the second telescopic rod 206 in the present utility model belong to the common general knowledge in the art. Their working principles are already well-known technologies, and their models are selected according to actual use. Therefore, the control methods and wiring arrangements of the first pressure sensor 106, the second pressure sensor 111, the motor 212, the first telescopic rod 105, and the second telescopic rod 206 will not be explained in detail.
[0028] The above are only the preferred embodiments of the present utility model, and are not intended to limit the present utility model in other forms. Any person skilled in the art may use the disclosed technical content to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, any simple modification, equivalent change, and modification made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution content of the present utility model still fall within the protection scope of the technical solution of the present utility model.
Claims
1. A detecting device for the welding firmness of an automobile frame, characterized in that, Including: A fixing mechanism (1) and a detecting mechanism (2); The fixing mechanism (1) includes a detecting tabletop (101). Support blocks (102) are fixedly installed on both sides of the detecting tabletop (101). A through hole (103) is formed inside one of the support blocks (102). An induction block (104) is arranged inside the through hole (103). First telescopic rods (105) are fixedly installed on the opposite sides of the induction block (104) and one of the support blocks (102). A first pressure sensor (106) is fixedly arranged inside the through hole (103). One side of the first pressure sensor (106) is electrically connected to a first display (107). Clamping blocks (108) are fixedly installed on the opposite sides of the two first telescopic rods (105). Clamping sleeves (109) are fixedly installed on the opposite sides of the two clamping blocks (108).
2. The welding firmness detection device for an automobile frame according to claim 1, wherein: An installation groove (110) is formed inside the detecting tabletop (101). A second pressure sensor (111) is fixedly installed inside the installation groove (110). A support plate (112) is fixedly installed on the top of the second pressure sensor (111). The bottom of the support plate (112) is fixedly connected to the top of the detecting tabletop (101). One side of the second pressure sensor (111) is electrically connected to a second display (113).
3. The welding firmness detection device for an automobile frame according to claim 2, characterized in that: The detecting mechanism (2) includes two support columns (201). A top plate (202) is fixedly installed on the tops of the two support columns (201). A sliding groove (203) is formed through the inside of the top plate (202).
4. The detecting device for the welding firmness of an automobile frame according to claim 3, characterized in that: A slider (204) is slidably connected inside the sliding groove (203). A rack (205) is fixedly installed on the top of the slider (204).
5. The welding firmness detection device for an automobile frame according to claim 4, wherein: A second telescopic rod (206) is fixedly installed on the bottom of the slider (204). A pressing block (207) is fixedly installed at the telescopic end of the second telescopic rod (206).
6. The welding firmness detection device for an automobile frame according to claim 4, characterized in that: A bracket (208) is fixedly installed on the top of the top plate (202). A rotating shaft (209) is inserted inside the bracket (208). A gear (210) is fixedly sleeved on the outer surface of the rotating shaft (209). The gear (210) is meshed with the rack (205). A limit block (211) is fixedly installed at one end of the rotating shaft (209).
7. An automobile frame welding firmness detection device according to claim 6, characterized in that: A motor (212) is fixedly installed on one side of the bracket (208). The output end of the motor (212) is fixedly connected to one end of the rotating shaft (209). The opposite sides of the two support columns (201) are respectively fixedly connected to the two ends of the detecting tabletop (101).